Hook arm vehicle dustbin locking mechanism and hook arm vehicle

By setting the hook inside the tipping arm on the hooklift truck and equipping it with a limiting post and a drive component, the problem of easy damage to the hook is solved, the hook is protected and the garbage bin is stably positioned, and the reliability of garbage bin dumping and the wear resistance of the structure are improved.

CN223703865UActive Publication Date: 2025-12-23YANGZHOU JINWEI ENVIRONMENTAL PROTECTION TECH CO LTD
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Patent Information

Application Number
CN202520192869.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-07
Publication Date
2025-12-23
Estimated Expiration
2035-02-07

AI Technical Summary

Technical Problem

The hooks of existing hooklift trucks are easily damaged by impacts and are not easy to repair, which affects the positioning of garbage bins and dumping operations.

Method used

Design a locking mechanism for a hooklift truck garbage bin, with the hook set inside the longitudinal beam of the tilting arm, and the hook positioned and protected by a limiting post and a driving component. Equipped with a spacer and a rotating sleeve to improve wear resistance, and lubricating grease injected through oil holes and oil grooves to facilitate rotation.

Benefits of technology

It reduces the probability of hook damage, improves the positioning stability of the trash can, facilitates the lifting and emptying of the trash can, and enhances the wear resistance and rotation performance of the structure.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a hook arm car dustbin locking mechanism which comprises a limiting column, a first connecting column, a second connecting column, a driving piece and a hook, the limiting column is connected to the inner side of a longitudinal beam of a dustbin, the first connecting column is connected to a cross beam of a turnover arm, the second connecting column is connected to the inner side of the longitudinal beam of the turnover arm, and the driving piece is hinged to the first connecting column. And the hook is hinged to the second connecting column and the driving piece, and when the dustbin is positioned on the overturning arm, the hook is used for hooking and positioning the limiting column. The hook is arranged on the inner side of the longitudinal beam of the overturning arm, the overturning arm shields the hook, the protection effect on the hook is improved, the probability that the hook is damaged is reduced, meanwhile, the limiting column can be positioned through the hook, the tail end of the dustbin can be stably positioned to the overturning arm, and the overturning arm can conveniently lift the dustbin to conduct dumping operation.
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Description

TECHNICAL FIELD

[0001] The utility model relates to garbage treatment vehicle technical field, especially relates to a kind of hook arm truck garbage box locking mechanism and hook arm truck. BACKGROUND

[0002] Garbage hook arm truck (also called pull arm type garbage truck or hook arm type garbage truck) is a kind of special sanitation vehicle for garbage collection and transfer, and its core function is to realize the rapid loading and unloading and transportation of garbage box through the hook arm mechanism driven by hydraulic.

[0003] The existing hook arm truck includes a frame, the tail of the frame is hinged to the tail of a turnover arm, the front end of the turnover arm is hinged to the tail end of a hook arm, there is a locking mechanism between the turnover arm and the hook arm, the hook arm is driven by a cylinder, the front end of the garbage box is hooked by the hook arm, and then it is pulled onto the hook arm truck, when it is needed to dump garbage, the locking mechanism locks the hook arm and the turnover arm into an integral structure, the cylinder drives the hook arm and the turnover arm to lift the front end of the garbage box, and the garbage falls out of the tail door of the garbage box by its own weight.

[0004] In this process, in order to position the garbage box on the turnover arm, a hook is usually welded on the turnover arm, and the hook hooks the tail of the garbage box. Since the hook protrudes above the turnover arm, there is a risk of being hit, and the plate-shaped hook may be bent after being hit, and the hook is connected to the turnover arm by welding, which is not convenient for subsequent maintenance work. SUMMARY

[0005] The hook arm truck garbage box locking mechanism provided by the embodiments of the present application is used to reduce the probability of the hook being hit. The embodiments of the present application also provide a hook arm truck.

[0006] The first aspect of the present application provides a hook arm truck garbage box locking mechanism, comprising:

[0007] A limiting column is connected to the inner side of the longitudinal beam of the garbage box.

[0008] A first connecting column is connected to the cross beam of the turnover arm.

[0009] A second connecting column is connected to the inner side of the longitudinal beam of the turnover arm.

[0010] A driving member is hinged to the first connecting column.

[0011] A hook is hingedly connected to the second connecting column and the driving member, and when the garbage box is positioned on the turnover arm, the hook is used to hook and position the limiting column.

[0012] The beneficial effects of the above-mentioned embodiments are that: by arranging the hook inside the turnover arm longitudinal beam, the hook is shielded by the turnover arm, the protection effect of the hook is improved, and the probability of damage to the hook is reduced. At the same time, the hook can also position the limiting column, and the tail end of the garbage can can be stably positioned on the turnover arm, which facilitates the turnover arm to lift the garbage can for dumping operation.

[0013] On the basis of the above-mentioned embodiments, the embodiments of the present application can also be improved as follows:

[0014] In one of the embodiments of the present application: further comprising: a first connecting seat, the first connecting seat is connected with the cross beam of the turnover arm, and the first connecting column is connected to the first connecting seat. The beneficial effects of this step are: facilitating the disassembly and assembly of the first connecting column.

[0015] In one of the embodiments of the present application: further comprising: a first spacer sleeve and a first rotating sleeve, the first spacer sleeve is sleeved on the first connecting column, and the first rotating sleeve is connected to the driving member and is rotatably sleeved on the first spacer sleeve. The beneficial effects of this step are: by configuring the first spacer sleeve and the first rotating sleeve, the assembly of the hook is facilitated, and the wear resistance between the rotating structures can be improved.

[0016] In one of the embodiments of the present application: the first connecting column is provided with a first oil hole A, the first spacer sleeve is provided with a first oil hole B, the first rotating sleeve is provided with a first oil groove, and the first oil hole B communicates the first oil hole A with the first oil groove. The beneficial effects of this step are: facilitating the injection of lubricating oil into the rotating part, thereby facilitating the improvement of the rotating performance.

[0017] In one of the embodiments of the present application: further comprising: a second spacer sleeve, a second rotating sleeve and a gland, the second spacer sleeve is sleeved on the second connecting column, the second rotating sleeve is installed on the hook and is rotatably sleeved on the second spacer sleeve, and the gland is connected to the second connecting column and positions the second spacer sleeve and the second rotating sleeve on the second connecting column. The beneficial effects of this step are: by configuring the second spacer sleeve, the second rotating sleeve and the gland, the assembly of the hook is facilitated, and the wear resistance between the rotating structures can be improved.

[0018] In one of the embodiments of the present application: the second connecting column is provided with a second oil hole A, the second spacer sleeve is provided with a second oil hole B, the second rotating sleeve is provided with a second oil groove, and the second oil hole B communicates the second oil hole A with the second oil groove. The beneficial effects of this step are: facilitating the injection of lubricating oil into the rotating part, thereby facilitating the improvement of the rotating performance.

[0019] The second aspect of the present application provides a hook arm vehicle, which comprises the garbage can locking mechanism of the hook arm vehicle. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the drawings required to be used in the specific embodiments or the prior art description will be briefly introduced below. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn according to the actual scale.

[0021] Figure 1 Structure diagram of the garbage can when the hook is locked;

[0022] Figure 2 Structure diagram of the garbage can when the hook is unlocked Figure 1 Sectional view along A-A in FIG.

[0023] Figure 3 Structure diagram of the garbage can when the hook is unlocked Figure 2 Enlarged view of part B in FIG.

[0024] Figure 4 Structure diagram of the garbage can when the hook is unlocked Figure 1 Sectional view along C-C in FIG.

[0025] Figure 5 Structure diagram of the garbage can when the hook is unlocked

[0026] Wherein, 1 is a limiting column, 2 is a first connecting column, 201 is a first oil hole A, 202 is a first ring groove A, 3 is a second connecting column, 301 is a second oil hole A, 4 is a driving part, 5 is a hook, 6 is a garbage can, 7 is a turnover arm, 8 is a first connecting seat, 9 is a first spacer sleeve, 901 is a first oil hole B, 902 is a first ring groove B, 10 is a first rotating sleeve, 1001 is a first oil groove, 11 is a positioning sleeve, 12 is a second spacer sleeve, 1201 is a second oil hole B, 1202 is a second ring groove, 13 is a second rotating sleeve, 1301 is a second oil groove, 14 is a gland, 1401 is a second oil hole C. DETAILED DESCRIPTION

[0027] In the present application, unless otherwise explicitly specified and limited, the terms in the present application should be understood in a broad sense, such as the connection can be fixed connection, can also be detachable connection or integral, can be directly connected, or indirectly connected through an intermediate medium. For ordinary skilled in the art, different terms in the present application can be understood according to the specific meaning, and the scope of the specific meaning should be limited to the function of the present application.

[0028] In the description of the present application, it should be understood that the orientation terms or position relationship description is based on the orientation or position relationship shown in the drawings, or based on the orientation or position relationship in actual use, only for the convenience of describing the content of the present application and simplifying the description, and is not intended to indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, therefore it cannot be understood as a limitation of the present application.

[0029] Embodiment one

[0030] As shown in Figures 1-4 , a hook arm garbage can locking mechanism, comprising: a limiting column 1, a first connecting column 2, a second connecting column 3, a driving member 4, a hook 5, the limiting column 1 is connected to the inside of the longitudinal beam of the garbage can 6, the first connecting column 2 is connected to the crossbeam of the turnover arm 7, the second connecting column 3 is connected to the inside of the longitudinal beam of the turnover arm 7, the driving member 4 is hinged to the first connecting column 2, the hook 5 is hinged to the second connecting column 3 and the driving member 4, and the hook 5 is used for hooking and positioning the limiting column 1 when the garbage can 6 is positioned on the turnover arm 7.

[0031] Specifically, the axes of the limiting column 1, the first connecting column 2 and the second connecting column 3 are parallel, and the limiting column 1, the first connecting column 2 and the second connecting column 3 can be connected by bolts or by welding.

[0032] Specifically, as shown in Figure 1 , the locking mechanism further comprises: a first connecting seat 8, the first connecting seat 8 is connected to the crossbeam of the turnover arm 7, and the first connecting column 2 is connected to the first connecting seat 8.

[0033] Specifically, the first connecting seat 8 comprises: a bottom plate, an ear plate, the ear plate is symmetrically connected to both sides of the bottom plate, the bottom plate is bolted or welded to the crossbeam of the turnover arm 7, and the first connecting column 2 is detachably fixed to the ear plate. The first connecting column 2 comprises: a first column body A and a first column body B, the first column body A is provided with a threaded hole along the axis, the first column body B is provided with a threaded end corresponding to the threaded hole, the threaded end is threadedly connected with the threaded hole, and the end portions of the first column body A and the first column body B are provided with end plates which are attached to the outer side surface of the ear plate, so that the first connecting column 2 is detachably connected to the ear plate.

[0034] Specifically, as shown in Figure 3 , the locking mechanism further comprises: a first spacer sleeve 9 and a first rotating sleeve 10, the first spacer sleeve 9 is sleeved on the first connecting column 2, and the first rotating sleeve 10 is connected to the driving member 4 and is rotatably sleeved on the first spacer sleeve 9. By configuring the first spacer sleeve 9 and the first rotating sleeve 10, the assembly of the driving member 4 is facilitated, and the wear resistance between the rotating structures can be improved.

[0035] Specifically, as shown in Figure 3 , the first connecting column 2 is provided with a first oil hole A201, the first spacer sleeve 9 is provided with a first oil hole B901, and the first rotating sleeve 10 is provided with a first oil groove 1001, and the first oil hole B901 communicates the first oil hole A201 and the first oil groove 1001. By configuring the oil hole and the oil groove, it is convenient to inject lubricating oil to the rotating part, so as to facilitate the improvement of the rotating performance.

[0036] Specifically, as shown in Figure 3As shown, the first oil hole A201 includes an axial hole and a radial hole, the axial hole is arranged along the axis of the first column B, and a pressure injection oil cup is connected to the end of the axial hole, the radial hole is arranged along the radial direction of the first column B, the radial hole is communicated with the axial hole, and the radial hole penetrates the first column A and the first column B, a first annular groove A202 is further arranged on the inner wall of the threaded hole, the first annular groove A202 is communicated with the radial hole of the first column A and the first column B, a first annular groove B902 is further arranged on the inner wall of the first spacer 9, and the first annular groove B is opposite to the radial hole. By arranging the first annular groove A202 and the first annular groove B, the lubricating grease can flow between the first oil hole A201 and the first oil hole B901.

[0037] Specifically, as shown in the figure, Figure 3 The first oil groove 1001 is a spiral groove arranged on the inner wall of the rotating sleeve, which facilitates uniform application of the oil to the outer wall of the first spacer 9 along the first oil groove 1001.

[0038] Specifically, as shown in the figure, Figure 4 The locking mechanism further comprises a positioning sleeve 11, a second spacer 12, a second rotating sleeve 13, and a gland 14, the positioning sleeve 11 and the second spacer 12 are sequentially sleeved on the second connecting column 3, the second rotating sleeve 13 is installed on the hook 5 and is rotatably sleeved on the second spacer 12, and the gland 14 is connected to the second connecting column 3 and positions the second spacer 12 and the second rotating sleeve 13 on the second connecting column 3. By configuring the second spacer 12, the second rotating sleeve 13 and the gland 14, the assembly of the hook 5 is facilitated, and the wear resistance between the rotating structures can be improved.

[0039] Specifically, as shown in the figure, Figure 4 The second connecting column 3 is provided with a second oil hole A301, the second spacer 12 is provided with a second oil hole B1201, and the second rotating sleeve 13 is provided with a second oil groove 1301. The second oil hole B1201 communicates the second oil hole A301 with the second oil groove 1301.

[0040] Specifically, as shown in the figure, Figure 4 The second oil hole A301 includes an axial hole and a radial hole, the axial hole is arranged along the axis of the second connecting column 3, the gland 14 is further provided with a second oil hole C1401 corresponding to the second oil hole A301, and a pressure injection oil cup is installed on the second oil hole C1401. The radial hole is arranged along the radial direction of the second connecting column 3, the radial hole is communicated with the axial hole, the inner wall of the second spacer 12 is provided with a second annular groove 1202 corresponding to the radial hole, and the second annular groove 1202 facilitates the introduction of lubricating grease into the second oil hole B1201; the inner wall of the second rotating sleeve 13 is provided with a second oil groove 1301, and the second oil groove 1301 is a spiral structure.

[0041] Specifically, the driving member 4 adopts a hydraulic cylinder, the cylinder body of the hydraulic cylinder is hinged to the first connecting seat 8, the piston rod is hinged to the hook 5 through a third connecting column, the piston rod is hinged to the hook 5 in the same way as the cylinder body is hinged to the first connecting seat 8, the piston rod has a second connecting seat at the end, the second connecting seat has an ear plate connected to the third connecting column, the third connecting column has the same structure as the first connecting column 2, and the third rotary sleeve is connected to the through hole formed in the end of the hook 5.

[0042] Specifically, as shown in Figure 1 , the hook 5 has a hooking part, which is an L-shaped plate structure, and the hooking part is used for positioning the tail of the garbage can 6 on the turnover arm 7. Since the front end of the garbage can 6 is hooked on the hook arm of the hook arm vehicle, only the tail of the garbage can 6 needs to be positioned to prevent the garbage can 6 from deflecting relative to the hook arm. The hooking part plays such a blocking positioning role.

[0043] As shown in Figure 1 , 5 , by arranging the hook 5 inside the longitudinal beam of the turnover arm 7 and shielding the hook 5 by the turnover arm 7, the protection effect of the hook 5 is improved, and the probability of damage to the hook 5 is reduced. At the same time, the hook 5 can also be used to position the limiting column 1, so that the tail end of the garbage can 6 can be stably positioned on the turnover arm 7, and the turnover arm 7 can easily lift the garbage can 6 for dumping operation.

[0044] Embodiment two

[0045] A hook arm vehicle includes the garbage can locking mechanism disclosed in embodiment one.

[0046] The above is only an embodiment of the present application, and the specific structure and characteristics of the scheme are not described in detail. The ordinary technical personnel in the art knows all the ordinary technical knowledge in the technical field of the present application before the application date or the priority date, can know all the prior art in the field, and has the ability to apply conventional experimental means before that date. The ordinary technical personnel in the art can improve and implement the present scheme based on their own ability under the guidance of the present application. Some typical known structures or known methods should not be an obstacle for the ordinary technical personnel in the art to implement the present application. It should be noted that for the technical personnel in the art, without departing from the structure of the present application, a number of modifications and improvements can be made, which should be considered as the protection scope of the present application. These do not affect the effect and practicality of the present application.

Claims

1. A hook arm vehicle garbage can locking mechanism, characterized by, The utility model relates to a garbage can locking mechanism of hook arm vehicle, including: a limiting column connected to the inner side of the longitudinal beam of the garbage can; a first connecting column connected to the cross beam of the turnover arm; a second connecting column connected to the inner side of the longitudinal beam of the turnover arm; a driving member hinged to the first connecting column; a hook hingedly connected to the second connecting column and the driving member, which is used for hooking and positioning the limiting column when the garbage can is positioned on the turnover arm.

2. The hook arm cart trash can locking mechanism of claim 1, wherein, Further including: a first connecting seat connected to the cross beam of the turnover arm, and the first connecting column is connected to the first connecting seat.

3. The hook arm cart trash can locking mechanism of claim 2, wherein, Further including: a first spacer sleeve and a first rotating sleeve, the first spacer sleeve is sleeved on the first connecting column, and the first rotating sleeve is connected to the driving member and is rotatably sleeved on the first spacer sleeve.

4. The hook arm cart trash can locking mechanism of claim 3, wherein, The first connecting column is provided with a first oil hole A, the first spacer sleeve is provided with a first oil hole B, and the first rotating sleeve is provided with a first oil groove, and the first oil hole B communicates the first oil hole A with the first oil groove.

5. The hook arm cart trash can locking mechanism of claim 1, wherein, Further including: a second spacer sleeve, a second rotating sleeve and a gland, the second spacer sleeve is sleeved on the second connecting column, the second rotating sleeve is installed on the hook and is rotatably sleeved on the second spacer sleeve, and the gland is connected to the second connecting column and positions the second spacer sleeve and the second rotating sleeve on the second connecting column.

6. The hook arm cart trash can locking mechanism of claim 5, wherein, The second connecting column is provided with a second oil hole A, the second spacer sleeve is provided with a second oil hole B, and the second rotating sleeve is provided with a second oil groove, and the second oil hole B communicates the second oil hole A with the second oil groove.

7. A go-devil comprising, The utility model relates to a garbage can locking mechanism of hook arm vehicle, including the locking mechanism of hook arm vehicle garbage can of any one of claims 1-6.