JP5999705B2 - Compaction plate for compaction machine - Google Patents

Description

  The present invention relates to a rolling plate that is driven by an engine and vibrates in a compacting machine that performs rolling pressure on a pavement surface or compaction on a road surface.

  In this type of compacting machine, a vibration generator having an eccentric weight is installed on a rolling plate, a plurality of brackets are provided on the rolling plate, and an engine base is installed on each bracket via a vibration isolating rubber. The engine is installed on the engine base, and a power transmission mechanism is provided between the engine and the vibration generator. In addition, the engine base is provided with a handle that an operator holds to operate the compacting machine. This type of compacting machine obtains not only vibration but also forward driving force or forward and backward driving force by a vibration generator.

  In the conventional compacting machine, the bracket for installing the engine base provided on the compaction plate has a structure in which the mounting surface of the anti-vibration rubber faces the front and rear ends of the compaction plate, as disclosed in Patent Document 1. Have

Japanese Utility Model Publication No. 6-12009

  In such a conventional compacting machine, earth and sand accumulate on the rolling plate during the rolling operation. In particular, there is a problem that earth and sand are accumulated and consolidated around the bracket for installing the engine base, and it is difficult to remove the accumulated and consolidated earth and sand.

  In view of the above problems, an object of the present invention is to provide a compaction plate for a compacting machine having a configuration in which earth and sand accumulated around the bracket of the compaction plate can be easily removed.

The compaction plate of the compacting machine according to claim 1 is:
In the compaction plate of a compacting machine, in which a plurality of brackets are provided on the upper surface, and the engine base on which the engine is mounted is installed on each bracket via vibration-proof rubber,
The bracket is configured in a portal structure that is opened in the front-rear direction by left and right vertical plate portions and an anti-vibration rubber mounting plate portion for mounting on an engine base that is integrally provided between the top portions of the left and right vertical plate portions. It is characterized by that.

The compaction plate of the compacting machine according to claim 2 is the compaction plate of the compacting machine according to claim 1,
At least one of the left and right vertical plate portions is formed to extend to the end portion side in the front-rear direction of the rolling plate.

The compaction plate of the compacting machine according to claim 3 is the compaction plate of the compacting machine according to claim 1 or 2,
A rib integrally projecting downward is provided on at least one of the end side in the front-rear direction of the rolling plate of the anti-vibration rubber mounting plate and the opposite side thereof.

The compaction plate of the compacting machine according to claim 4 is the compaction plate of the compacting machine according to any one of claims 1 to 3,
The surface on which the bracket is installed on the compaction plate is formed as an inclined surface in which the end side in the front-rear direction of the compaction plate is lowered.

  According to the first aspect of the present invention, since the bracket provided on the compaction plate has a structure opened in the front-rear direction, there is no barrier to earth and sand movement in the front-rear direction, and when cleaning, from the front side or the rear side of the compaction plate By jetting a fluid stream such as a jet water stream or a jet stream toward the bracket, it is possible to remove the deposits before and after the bracket and around the bracket and the compacted earth and sand, thereby improving the cleaning performance.

  In addition, since the bracket is structured to open in the front-rear direction, self-cleaning (this self-cleaning is to remove the earth and sand adhering to the compaction plate by vibration of the compaction plate, and to move the peeled sand and sand by vibration to discharge The barrier for earth and sand movement is eliminated, and as a result, the earth and sand are less likely to remain and accumulate around and around the bracket, and the compaction plate can be kept clean.

  According to the invention of claim 2, since at least one of the left and right vertical plate portions is extended toward the end portion in the front-rear direction of the rolling plate, the extended portion contributes to an increase in the strength of the bracket. The strength can be ensured without increasing the thickness of the bracket. Moreover, since the extension part was formed in the front-back direction, the extension part does not hinder removal of earth and sand by the fluid flow during cleaning.

  According to the third aspect of the present invention, since the rib projecting integrally is provided on the end side in the front-rear direction of the rolling plate of the vibration-proof rubber mounting plate portion or on the lower side on the opposite side, this rib increases the strength of the bracket. The strength can be ensured without increasing the thickness of the bracket. In addition, since the lower part of the rib has an opening structure, the rib does not hinder removal of earth and sand by a fluid flow during cleaning.

  According to the invention of claim 4, since the installation surface of the bracket on the compaction plate is formed on an inclined surface in which the end side of the compaction plate is lowered, the inclined surface allows the earth and sand on the compaction plate to be moved in the front-rear direction during the operation. The self-cleaning that moves to the end side is promoted, and the rolling plate can be kept in a cleaner state.

It is a partial cross section side view of the compacting machine which shows one Embodiment of the compaction board by this invention. It is a top view which shows the rolling plate of this embodiment in the mounting state of a vibration generator. It is a perspective view of the compaction board of this embodiment. (A) and (B) are a side view and a front view of the compaction plate of this embodiment, respectively. It is a principal part expanded side surface sectional view of the rolling plate of this embodiment.

  FIG. 1 is a partially sectional side view of a compacting machine showing an embodiment of a compaction plate according to the present invention, FIG. 2 is a plan view showing the compaction plate of this embodiment in a mounted state of a vibration generator, and FIG. FIGS. 4A and 4B are a side view, a front view, and a front view, respectively, and FIG. 5 is an enlarged side cross-sectional view of the main part of the compaction plate. is there.

  In FIG. 1, reference numeral 1 denotes a compaction plate. As shown in FIG. 2, the compaction plate 1 has four brackets 2 in total, two on each of the front and rear surfaces. Reference numeral 3 denotes a vibration generator installed at the center of the compaction plate 1, and the vibration generator 3 according to this embodiment rotates two vibration generators 4a and 4b side by side as shown in FIG. I will show you what.

  Reference numeral 5 denotes an engine base. The engine base 5 is installed on the bracket 2 with an anti-vibration rubber 6 interposed therebetween. Reference numeral 7 denotes an engine that drives the vibration generator 3, and the rotational force is transmitted to one vibration body 4 a of the vibration generator 3 via a power transmission mechanism including the pulleys 8 and 9 and the belt 10. The rotation of the body 4a is transmitted to the vibrating body 4b, and both the vibrating bodies 4a and 4b rotate in synchronization. 11 is a pipe for transportation and engine guard attached to the engine base 5, and has a suspension ring 12 for hanging a hook (not shown) of a crane on the top of the pipe 11.

  Reference numeral 13 denotes a handle operated by an operator, and the handle 13 in this example is attached to the engine base 5 so as to be rotatable about a pivot shaft 14. During transportation, the handle 13 is erected, and the pipe 15 provided on the handle 13 is engaged with the engagement tool 16 provided on the pipe 11, so that the occupation space is reduced. Reference numeral 18 denotes an accelerator lever of the engine 7.

  Reference numeral 19 denotes a forward / reverse switching lever attached to the top of the handle 13. By tilting the lever 19 forward or backward, the compactor can be moved forward or backward simply by driving the engine 7. That is, in this embodiment, the lever 19 can be switched to the front and rear two positions by a turning operation, and the combined eccentric direction accompanying the rotation of the two exciters 4a and 4b is changed by the switching of the lever 19. Thus, the propulsion direction generated along with the vibration can be switched.

  Next, the rolling plate 1 will be described. As shown in FIGS. 3, 4 (A), and (B), the bracket 2 provided on the rolling plate 1 is between the left and right vertical plate portions 2 a and 2 b and the tops of the left and right vertical plate portions 2 a and 2 b. And an anti-vibration rubber mounting plate 2c for mounting the engine base 5 integrally therewith. With such a structure, the bracket 2 has a portal structure opened in the front-rear direction. Reference numeral 2d denotes a bolt insertion hole provided in the vibration-proof rubber mounting plate portion 2c.

  As shown in FIG. 5, the anti-vibration rubber 6 is attached to the bracket 2 by inserting the bolt 20 embedded in the anti-vibration rubber 6 through the bolt insertion hole 2 d and screwing it into the nut 21. The engine base 5 also has a bolt insertion hole 5a, and the bolt 22 embedded in the vibration isolating rubber 6 is passed through the bolt insertion hole 5a, screwed into the nut 23 and fastened, whereby the engine base 5 is vibration-proof. It is fixed on the rubber 6.

  As shown in FIGS. 3, 4 (A), (B), and FIG. 5, the vibration-proof rubber mounting plate portion 2 c of the bracket 2 provided at the front portion of the rolling plate 1 is an inclined surface 1 c where the front side of the plate surface is lowered. It is said. Further, the vibration isolating rubber mounting plate portion 2c of the bracket 2 provided at the rear portion of the rolling plate 1 is an inclined surface 1c in which the rear side of the plate surface is lowered. Further, the front and rear portions of the engine base 5 facing the vibration isolating rubber mounting plate portion 2c are also inclined in the same direction as the vibration isolating rubber mounting portions 2c and 2c of the front and rear brackets 2 and 2, respectively. In this way, the vibration isolating rubber mounting plate portion 2c of the bracket 2 and the joint portion of the engine base 5 are inclined so that the engine base 5 is mounted on the rolling plate 1 with the bolts 22 and nuts via the anti-vibration rubber 6. The attachment at the time of attaching by 23 is made easy.

  As described above, the rolling plate 1 of this embodiment has a structure in which the bracket 2 is opened in the front-rear direction including the vertical plate portions 2a and 2b and the bracket mounting portion 2c. For this reason, the barrier of the earth-and-sand movement of the front-back direction in the bracket 2 is lose | eliminated. As a result, as shown by arrows 25 and 26 in FIG. 2, a fluid flow such as a jet water flow or a jet air flow is ejected from the front end portion 1a side or the rear end portion 1b side of the compaction plate toward the bracket 2, thereby It becomes possible to remove the sediments before and after 2 and the consolidated soil, and the consolidated soil, thereby improving the cleanability.

  Further, since the bracket 2 has a structure opened in the front-rear direction, there is no barrier to the movement of the earth and sand due to the self-cleaning described above, so that the earth and sand do not remain and accumulate on the front and rear and the periphery of the bracket 2 and the compaction plate 1 The top can be kept clean.

  As shown in FIG. 5, in this embodiment, the surface on which the bracket 2 is installed on the compaction plate 1 is formed on an inclined surface 1c on which the front end 1a and rear end 1b side of the compaction plate 1 is lowered. ing. For this reason, the movement by the self-cleaning in which the earth and sand on the compaction plate 1 moves forward or backward in the same direction as the travel direction of the compaction plate 1 is further promoted, and the compaction plate 1 can be kept in a cleaner state.

  As shown in FIGS. 3, 4 (A), and 5, in this embodiment, of the left and right vertical plate portions 2 a and 2 b, the outer vertical plate portion 2 a is used as the end portion of the rolling plate 1. An extending portion 2e extending toward 1a and 1b is formed. Since this extending part 2e contributes to an increase in the strength of the bracket 2, the strength of the bracket 2 can be ensured without increasing the plate thickness of the bracket 2. Moreover, since the extension part 2e was formed in the front-back direction, the extension part 2e does not interfere with the removal of earth and sand by the fluid flow during cleaning. In addition, this extension part 2e may be provided in the inner vertical plate part 2b, and may be provided in both the left and right vertical plate parts 2a and 2b.

  Further, as shown in FIGS. 4A, 4B and 5, in this embodiment, the vibration-proof rubber mounting plate portion 2c protrudes integrally to the end portions 1a and 1b of the rolling plate 1 downward. Ribbed ribs 2f are provided. Since the rib 2f contributes to an increase in the strength of the bracket 2, the strength can be ensured without increasing the thickness of the bracket 2. Moreover, since the opening below the rib 2f has an opening structure, the rib 2f does not hinder removal of earth and sand by a fluid flow during cleaning. The rib 2f may be provided on the opposite side of the brackets 2 from the ends 1a and 1b, and may be provided on both the ends 1a and 1b and the opposite side. Here, the opposite side of the end portions 1a and 1b refers to an end portion on the vibration generating device 3 side in the vibration isolating rubber mounting plate portion 2c, and is a position where it does not interfere with the nut 21.

  In this embodiment, the compaction machine has been described as being capable of both forward and reverse movements. However, the present invention is not limited to switching the moving direction in this way, but can be used for a structure in which only forward movement is performed. Can do. In addition, when implementing this invention, it is not limited to said each embodiment, A various change and addition are possible in the range which does not deviate from the summary of this invention.

1: Rolling plate, 1a: Front end, 1b: Rear end, 1c: Inclined surface, 2: Bracket, 2a, 2b: Vertical plate, 2c: Anti-vibration rubber mounting plate, 2d: Bolt insertion hole, 2e: Extension part, 2f: rib, 3: vibration generator, 5: engine base, 6: anti-vibration rubber, 7: engine

Claims (4)

In the compaction plate of a compacting machine, in which a plurality of brackets are provided on the upper surface, and the engine base on which the engine is mounted is installed on each bracket via vibration-proof rubber,
The bracket is configured in a portal structure that is opened in the front-rear direction by left and right vertical plate portions and an anti-vibration rubber mounting plate portion for mounting on an engine base that is integrally provided between the top portions of the left and right vertical plate portions. A compaction plate for a compacting machine. In the compaction plate of the compacting machine according to claim 1,
A compaction plate for a compacting machine, wherein at least one of the left and right vertical plate portions is formed to extend toward an end in the front-rear direction of the compaction plate. In the compaction plate of the compacting machine according to claim 1 or 2,
A compaction plate for a compacting machine, wherein a rib integrally projecting downward is provided on at least one of an end portion in the front-rear direction of the compaction plate and the opposite side of the compaction rubber mounting plate portion. . In the compaction plate of the compacting machine according to any one of claims 1 to 3,
A compaction plate for a compacting machine, wherein the surface on which the bracket is installed on the compaction plate is formed as an inclined surface in which an end in the front-rear direction of the compaction plate is lowered.

Images