JPH0880450A - Car body structure of self-traveling crusher for construction waste material - Google Patents

Abstract

PURPOSE: To go up a step at high place to visually confirm the upper surface side of a hopper by freely attachably and detachably fitting a cover to the rear surface side level difference opening part between the step at the high place and a path frame base and also freely attachably and detachably fitting a ladder member used for going up and down one move vertically from the path frame base to the high step at the outside position of the cover. CONSTITUTION: Near a side deck part path 23 of a main car body 8, a path frame body 17 is formed in the rectangular direction to the back and forward direction of the main car body 8. Between right and left side plates 29R, 29L, covers 34R, 34L are fitted to a rear surface side level difference opening part between a high step 22 and a front plate 24 of th path frame base 17. A ladder member 26 used for going up and down from the path frame base 17 to the high step at high place 22 is fitted to at the outside position of the cover. When an operator wishes to visually confirm a sending condition or the like of a construction waste material 10 fed to a hopper 9, he walks to the upper surface of the path frame base 17 from a side deck part path 23 of the main car body 8 and then goes up the ladder member 26 and sees below from on the high step 22 to visually confirm.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle body structure of a self-propelled construction waste material crusher that performs a crushing process for recycling construction waste materials such as concrete waste and asphalt waste.

[0002]

2. Description of the Related Art FIG. 6 is a side view of a building debris processing machine described in Japanese Utility Model Publication No. 3-130859. In the figure, 1 is a crawler traveling body of a building debris processing machine, 2
Is a main body connected to the upper part of the crawler traveling body 1,
3 is a hopper provided on the upper part of the main vehicle body 4, 4 is a handrail provided near the hopper 3, and 5 is a crusher for crushing building debris such as concrete debris into predetermined fine particles. In the building debris processing machine shown in FIG. 6, the concrete debris supplied to the hopper 3 is crushed into predetermined fine particles by the crusher 5 mounted on the main vehicle body 2.

[0003]

Conventionally, during the crushing work of a self-propelled construction waste material crusher, in order to visually confirm from the upper surface side of the hopper the feeding status and crushing status of the crushed machine supplied to the hopper, The worker must climb up close to the hopper. However, there were not enough measures taken to easily climb near the hopper. Also, when it was desired to adjust or inspect each part of the crusher provided near the bottom of the hopper, the opening for allowing the operator to approach the crusher was not set sufficiently, so the maintenance work was difficult. . Further, the handrail provided near the hopper may exceed the limit height or become an obstacle when transporting the trailer of the construction waste crusher, but it is difficult to handle it. The present invention aims to solve the above problems.

[0004]

According to the present invention, a main vehicle body is connected to an upper portion of a crawler traveling body, a hopper is provided on an upper portion of the main vehicle body, and construction waste such as concrete debris supplied to the hopper is provided at a lower portion. Send it to the crusher,
In a self-propelled construction waste material crusher that crushes to a predetermined fine grain, at a position near the upper side of the crusher spindle,
A plurality of high steps are formed near the hopper, and a passage frame base is formed near the side deck passage of the main vehicle body in a direction orthogonal to the front-rear direction of the main vehicle body. A gacha was removably attached to the step opening on the rear side between the base and the base, and a ladder member capable of moving up and down in a step higher than the passage frame base was removably attached to an outer position of the cover. As a structure for mounting the ladder member, a pin member is fixedly provided at the rear end edge of the high step, and the hook portion formed at the upper end of the ladder member is engaged with the pin member, and the passage is provided. The lower part of the cover and the lower end of the ladder member are bolted to the front end of the frame base. A front plate is hinged to the front upper edge of the passage frame so as to be rotatable rearward, and a shaped steel material is fixedly attached along the front edge of the front plate. In order to keep the upper surface substantially horizontal, a stay was extended from the passage frame base on the lower surface side of the front plate. In addition, the rear side high-altitude handrails are erected rotatably rearward on the left and right sides of the ladder member mounting portion at the rear end of the high-altitude step, and the front side is located on the upper surface of the uppermost step close to the hopper. Erect the aerial handrail so that it can be turned rearward,
Moreover, lateral side high-altitude handrails are folded inwardly and rotatably connected to the left and right ends of the front-side high-altitude handrail, respectively.

[0005]

According to the present invention, when the operator wants to visually check the feeding condition and the crushing condition of the crusher supplied to the hopper, the worker walks from the vicinity of the side deck passage of the main vehicle body to the upper surface of the passage frame base. , Then climb the ladder member,
Step up to a high place. Then, by standing on the upper stage of the aerial step and looking at the lower front side, the upper surface side of the hopper can be visually confirmed. Further, since the front, side, and rear high-handrails are erected around the above-high steps, it is possible to prevent workers from falling.

When an operator wants to adjust or inspect each part of the crusher provided near the lower part of the hopper, first loosen and remove the bolt fixing the lower plate of the ladder member to the upper end of the ladder member. Remove the hook part of the section from the pin member fixed to the rear edge of the high step and remove the ladder member. Then, when the bolt holding the cover is loosened and the cover is removed, a step opening on the rear surface side that extends from the rear edge of the high step to the upper surface of the passage frame base opens. Further, the front side plate on the front side of the passage frame base is flipped up and rotated rearward, whereby the lower side of the rear surface side step opening can be expanded to the rear side. The shaped steel material attached along the front edge of the front plate retains the strength of the front plate, and the cover fixing bolts are tightened. Further, since the stay is extended from the passage frame base on the lower surface side of the front plate, even if an operator steps on the upper surface of the front plate, a large amount of bending does not occur.

Further, in the present invention, when carrying out the trailer transportation of the self-propelled construction waste material crusher, first, the end portions of the left and right side elevation handrails and the end portions of the left and right rear elevation handrails are first set. Release the connection of the locking parts that are locked. Then, the lower end of the rear high-altitude handrail is pivoted rearward about the hinge member hinged to the upper surface of the high-altitude step to the extent that the rear high-altitude handrail is substantially horizontal. Next, the left and right lateral high-altitude handrails are rotated about the hinge member so as to be folded inward. Then, loosen and remove the bolts that secure the standing of the front side high-altitude handrail to the high-altitude step, and rotate it about the hinge member at the lower end of the front high-altitude handrail toward the rear so that it becomes a substantially horizontal state. . As a result, the front high handrail and the left and right side high handrails can be folded and stored on the upper surface side of the high step. That is, all of the front, side, and rear high-altitude handrails can be stored in a low position when the trailer is transported.

[0008]

Embodiments of the present invention will now be described in detail with reference to the drawings. FIG. 1 is a partially cutaway side view of a self-propelled construction waste material crusher 6 having a vehicle body structure of the present invention. In the figure, 7 is a crawler traveling body of a self-propelled construction waste material crusher 6, 8
Is a main vehicle body, 9 is a hopper, 10 is construction waste material to be crushed, 11 is a crusher, 12 is a jaw that crushes the construction waste material 10, 13 is a feeder that feeds the construction waste material 10 to the crusher 11, and 14 is a spindle for the crusher 11. , 15 is a flywheel attached to the main shaft 14, 16 is a flywheel cover, 17 is a passage frame base, 18 is a low-handrail, 19 is a front high-handrail, and 20L and 20R are left and right side-high places. Hand rails (not visible because the right side handrail 20R on the right side is on the opposite side of the left side height handrail 20L in FIG. 1), 21L, 21
R is the left and right rear high-altitude handrails, and 22 is the high-altitude step. FIG. 2 is a perspective view of an essential part showing the vehicle body structure of the present invention. In the drawing, 23 is a side deck passage of the main vehicle body 8, 24 is a front plate hinged to the front upper edge of the passage frame 17, 25 is a front plate 24 hinged hinge member, 26 is a ladder member, 27 is a lower plate of the ladder member 26, 28 is an upper hooking plate, 29L and 29R are left and right side plates, 30 is a hinge member that attaches the lower end of the front high-altitude handrail 19 to the high-altitude step 22, and 31 is left and right. Hinge members for attaching the rear side high-altitude handrails 21L and 21R to the high-altitude step 22 respectively, and 32 for the front-side high-altitude handrail 19
Side handrails 20 on both left and right ends
L and 20R are attached to the hinge member, 33 is a locking portion that locks the left and right side high-altitude handrails 20L and 20R to the rear high-altitude handrails 21L and 21R, respectively.
Reference numerals 34L and 34R denote a pair of covers that close the rear side step opening extending from the rear edge of the aerial step 22 to the front plate 24, and 35 is fixedly attached along the front edge of the front plate 24. The shaped steel members 36, 37 and 38 are bolts for tightening. FIG. 3 is a perspective view showing an exploded assembly structure of the vehicle body structure in FIG. In the figure, 39 is a hook portion of the upper hook plate 28 of the ladder member 26, and 40L, 40R.
Is a left and right bracket provided at the rear end edge of the aerial step 22, 41 is a pin member supported by the left and right brackets 40L and 40R, and 42 is a stay extending to the front part of the passage frame stand 17. FIG. 4 is a plan view of an essential part viewed from A of FIG. In the figure, the line 0-0 ′ is the center line of the main shaft 14. FIG. 5 is a cross-sectional view of the main part viewed from BB of FIG.

Next, the vehicle body structure of the present invention will be described with reference to FIGS. In the present invention, a plurality of high-step steps 22 are formed near the hopper 9 near the upper side of the main shaft 14 for the crusher 11, and the side deck passage 23 (see FIGS. 2 and 3) of the main vehicle body 8 is formed. (See shown), the passage frame base 17 is formed in a direction orthogonal to the front-rear direction of the main vehicle body 8, and the above-mentioned high step 22 and the front plate 24 of the passage frame base 17 are provided between the left and right side plates 29L-29R. The covers 34L and 34R are removably attached to the step opening on the rear surface side (the opening of the hatched area in FIG. 3) between
A ladder member 26 capable of moving up and down from the passage frame stand 17 to the step 22 at a high place is detachably attached to the outer side positions of 4L and 34R. As a mounting structure for the ladder member 26, a pin member 41 (shown in FIGS. 3, 4 and 5) is fixedly provided at the rear end edge of the high place step 22, and the ladder member is attached to the pin member 41. Hook portion 39 formed at the upper end of 26
(Shown in FIG. 3) are engaged with the front plate 24 of the passage frame 17 (specifically, the shaped steel material 35 fixed to the front end of the front plate 24) and the lower portions of the covers 34L and 34R. The lower plate 27 at the lower end of the ladder member 26 is tightened with bolts 37. The front plate 24 is attached to the front upper edge of the passage frame 17 by a hinge member 25 so as to be rotatable rearward. In order to keep the upper surface of the front plate 24 substantially horizontal, a stay 42 (shown in FIG. 3) is extended from the passage frame 17 on the lower surface side of the front plate 24.

Further, according to the present invention, rear side high-altitude handrails 21L and 21R are erected rotatably rearward on the left and right sides of the mounting portion of the ladder member 26 at the rear end of the high-altitude step 22, respectively. A front side high-altitude handrail 19 is erected rotatably rearward on the upper surface of the uppermost step a near the hopper 9, and lateral side heights are provided at both left and right ends of the front-side high-altitude handrail 19. Place handrail 2
0L and 20R were connected so that they could be folded inward.

Next, the operation of the vehicle body structure of the present invention will be described. According to the present invention, when the worker wants to visually check the feeding condition and the crushing condition of the construction waste material 10 supplied to the hopper 9, the worker is allowed to use the side deck passage 23 of the main vehicle body 8.
Walk to the upper surface of the passage frame stand 17, and then the ladder member 2
Climb 6 and climb to step 22. And by standing on the upper stage of the aerial step 22 and looking at the lower front side,
The upper surface side of the hopper 9 can be visually confirmed. In addition, around the height step 22, the front, side, and rear height handrails (19, 20L, 20R, 21L, 21
Since R) is erected, the worker can be prevented from falling.

When the operator wants to adjust or inspect each part of the crusher 11 provided near the lower part of the hopper 9, first loosen the bolt 37 that fastens and fixes the lower plate 27 of the ladder member 26. Then, the hook portion 39 at the upper end of the ladder member 26 is removed from the pin member 41 fixed to the rear end edge of the high-altitude step 22, and the ladder member 26 is removed. Then, when the bolts 36 holding the covers 34L and 34R are loosened and the covers 34L and 34R are removed, the rear side step opening a extending from the rear edge of the high place step 22 to the upper surface of the passage frame stand 17 is opened. Furthermore, passage frame stand 1
By rotating the front part of the front plate 24 of 7 toward the rear, the lower side of the rear side step opening a can be expanded to the rear side. The shaped steel material 35 attached along the front edge of the front plate 24 retains the strength of the front plate 24 and tightens the bolts 37 for fixing the covers (34L and 34R). . Further, since the stay 42 is extended from the passage frame 17 on the lower surface side of the front plate 24, even if an operator steps on the upper surface of the front plate 24, a large bending is not caused.

Further, in the present invention, when the trailer transportation of the self-propelled construction waste material crusher 6 is carried out, first of all, the end portions of the left and right side elevation handrails 20L and 20R and the left and right rear elevation handrails are carried out. The connection of the locking portion 33 (shown in FIG. 5) that locks the ends of 21L and 21R is released. The rear lower handrails (21L, 21R) are centered around the hinge member 31 hinged to the upper surface of the upper step 22 at the lower end of the rear highhand rails 21L, 21R.
To the rear so that it becomes substantially horizontal. next,
The left and right lateral high-altitude handrails 20L and 20R are rotated about the hinge member 32 so as to be folded inward. Then, the bolt 38 (shown in FIG. 2) that fixes the standing position of the front side high-altitude handrail 19 to the high-altitude step 22
Is loosened and removed, and is pivoted rearward about the hinge member 30 at the lower end of the front high-altitude handrail 19 to a substantially horizontal state. As a result, the front high handrail 19 and the left and right side high handrails 20L and 20R can be folded and stored on the upper surface of the high step 22. Therefore, the working height H (maximum working height shown in FIGS. 1 and 5) of the front, side, and rear handrails can be changed and set to the trailer transport height h. .

[0014]

According to the present invention, when the operator wants to visually check the feeding condition and the crushing condition of the crushed machine supplied to the hopper, the worker can approach the side frame part of the main body from the passage frame base or ladder. The member can be climbed and easily climbed to a high step. Then, by standing on the upper stage of the aerial step and looking at the lower front side, the upper surface side of the hopper can be visually confirmed. Further, since the front, side, and rear high-handrails are erected around the above-high steps, it is possible to prevent workers from falling. In addition, when the operator wants to adjust or inspect each part of the crusher provided near the lower part of the hopper, the ladder member and the cover covering the front side of the crusher can be removed to remove the crusher from the rear edge of the aerial step. Maintenance work can be performed by opening the step opening on the rear surface side over the upper surface of the passage frame base. Further, the front side plate of the front side of the passage frame base is flipped up and rotated rearward, whereby the lower side of the rear side step opening can be expanded to the rear side. The shaped steel material attached along the front edge of the front plate retains the strength of the front plate, and the cover fixing bolts are tightened. Further, since the stay is extended from the passage frame base on the lower surface side of the front plate, even if an operator steps on the upper surface of the front plate, a large amount of bending does not occur. Further, in the present invention, when carrying out the trailer transportation of the self-propelled construction waste material crusher, the rear high-altitude handrail is rotated backward to a substantially horizontal state in advance, and the front high-altitude handrail and the left and right sides. The side high-altitude handrail can be folded and stored on the upper surface side of the high-altitude step. That is, the front, side, and rear high-altitude handrails can all be stored in the low position to set the trailer transport height.

[Brief description of drawings]

FIG. 1 is a partially cutaway side view of a self-propelled construction waste material crusher equipped with a vehicle body structure of the present invention.

FIG. 2 is a perspective view of essential parts showing a vehicle body structure of the present invention.

3 is a perspective view showing an exploded assembly structure of the vehicle body structure in FIG. 2. FIG.

FIG. 4 is a plan view of an essential part viewed from A of FIG.

5 is a cross-sectional view of a main part seen from BB of FIG.

FIG. 6 is a side view of a prior art building debris disposal machine.

[Explanation of symbols]

 2,8 Main vehicle body 3,9 Hopper 11 Crusher 14 Spindle 17 Aisle frame stand 19 Front side high handrail 20L, 20R Side side high handrail 21L, 21R Rear high handrail 22 High step 23 Side deck part Passage 24 Front plate 26 Ladder member 34L, 34R Cover 35 Shaped steel material 39 Hooking portion 41 Pin member 42 Stay

Claims (5)

[Claims] 1. A main vehicle body is connected to an upper portion of a crawler traveling body, a hopper is provided on an upper portion of the main vehicle body, and construction waste such as concrete debris supplied to the hopper is sent to a lower crusher to obtain a predetermined fine grain. In a self-propelled construction waste material crusher designed to be crushed into multiple parts, multiple high-level steps leading to the hopper are formed near the upper side of the crusher main shaft, and also near the side deck passage of the main car body. , A passage frame base is formed in a direction orthogonal to the front-back direction of the main vehicle body, and a cover is detachably attached to the step opening on the rear surface side between the aerial step and the passage frame base. A body structure of a self-propelled construction waste material crusher, which is detachably attached to a ladder member that can be raised and lowered in steps higher than a passage frame base. 2. The self-propelled construction waste material crusher according to claim 1, wherein an engaged member at a rear end portion of a high place step is fixed and attached, and the ladder is attached to the engaged member. A vehicle body structure for a self-propelled construction waste material crusher, characterized in that the upper part of the member is engaged and the lower part of the ladder member is locked to the passage frame base. 3. The self-propelled construction waste material crusher according to claim 2, wherein a pin member is fixedly provided at a rear end edge portion of the high place step, and an upper end of the ladder member is provided with respect to the pin member. Self-propelled construction waste material, characterized in that the lower portion of the cover and the lower end portion of the ladder member are bolted to the front end portion of the passage frame base by engaging the hooking portion formed on the portion. Crusher body structure. 4. The self-propelled construction waste material crusher according to claim 1, wherein a front plate is hinged to the front upper edge of the passage frame base so as to be rotatable rearward, and the front thereof is provided. In order to fix and attach the shaped steel material along the front edge of the front plate, and to keep the upper surface of the front plate substantially horizontal, a stay was extended from the passage frame base on the lower surface side of the front plate. Body structure of a self-propelled construction waste material crusher characterized by. 5. The self-propelled construction waste material crusher according to claim 1, wherein the rear high-altitude handrails are directed rearward to the left and right of the ladder member mounting portion at the rear end of the high-altitude step. And the front high handrail is rotatably erected rearward on the upper surface of the uppermost step close to the hopper, and the left and right ends of the front high handrail are A body structure of a self-propelled construction waste material crushing machine, characterized in that each of the side handrails is connected to the inside so that it can be folded and turned inward.