Chassis assembly applied to pull arm type loading and unloading device

By installing components such as a power end, fixed gripping rod, and rotating gripping rod on the base frame assembly, and using infrared sensors to control the rotation of the electric rotating shaft to reinforce the rod, diverse box fixing methods are achieved. This solves the problem of equipment damage caused by the single fixing method of the base frame assembly and improves the stability and reliability of the equipment.

CN224210958UActive Publication Date: 2026-05-08CHONGQING ENDURANCE & SHINMAYWA IND
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
CHONGQING ENDURANCE & SHINMAYWA IND
Filing Date
2025-03-28
Publication Date
2026-05-08

AI Technical Summary

Technical Problem

The existing hooklift loading and unloading device has a simple fixing structure at the connection shaft with the external housing, which affects the use of the equipment if damaged.

Method used

It adopts components such as a power end, fixed gripping rod, rotating gripping rod, installation storage block, protruding rod body, infrared sensor and electric rotating shaft. After the infrared sensor detects the box entering, it controls the electric rotating shaft to rotate and reinforce the rod body, realizing a variety of fixing methods.

Benefits of technology

This improves the stability and reliability of the enclosure connection, avoids equipment damage caused by single fixing, and ensures the normal use of the equipment.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224210958U_ABST
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Abstract

The utility model discloses a chassis assembly applied to a pull arm type loading and unloading device, relates to the technical field of chassis assemblies of transfer trolley boxes, and aims to solve the problems that when an existing chassis assembly applied to the pull arm type loading and unloading device is hooked and fixed with a connecting shaft of an external box, the structure is fixed singly, and the use of equipment is affected immediately after the chassis assembly is damaged. The power end is installed at one end of the main overturning rod body, two fixed grabbing rods are arranged on the upper side of the front end face of the power end, two rotating grabbing rods are arranged on the lower side of the front end face of the power end, and the two rotating grabbing rods are rotationally connected with the power end. The installation storage blocks are installed on the front side and the rear side of the upper portion of one end of the chassis assembly body, the number of the installation storage blocks is two, and the lower ends of the two installation storage blocks are connected with the front side and the rear side of the upper portion of one end of the chassis assembly body in a welded mode.
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Description

Technical Field

[0001] This utility model relates to the technical field of chassis assembly for transport vehicle bodies, specifically a chassis assembly applied to a hook-lift loading and unloading device. Background Technology

[0002] Demountable container trucks are the most commonly used garbage transfer vehicles both domestically and internationally. These trucks consist of a truck chassis and a hook-lift self-loading device, which can be freely separated from and connected to the garbage container. Currently, hook-lift self-loading devices on the market can be divided into two types: horizontal and vertical. Horizontal hook-lift self-loading devices are used for horizontally placed garbage containers, while vertical hook-lift self-loading devices are used for vertically placed garbage containers.

[0003] For example, the Chinese authorized patent with announcement number CN203528360U, entitled "(A Large L-shaped Small Tonnage Hook Arm Device)," includes: the rear end of the subframe assembly is hinged to the rear end of the swing arm assembly; the swing arm assembly is provided with a box-type locking mechanism; the middle front end of the swing arm assembly is hinged to the rear end of the lifting arm assembly; the lifting arm assembly is connected to the subframe assembly via a lifting cylinder; the middle front end of the lifting arm assembly is hinged to one end of the large L-shaped swing arm assembly; the other end of the large L-shaped swing arm assembly is equipped with a hook; and the lifting arm assembly and the large L-shaped swing arm assembly are connected together via a swing arm cylinder. This utility model is particularly suitable for box-type work objects with a length of 3.4 to 5 meters.

[0004] However, the existing underframe assembly for hook-lift loading and unloading devices has a single structural fixation method when it is hooked and fixed at the connection shaft with the external housing. Damage to this method will immediately affect the use of the equipment. Therefore, it does not meet the current requirements. In response, we have proposed an underframe assembly for hook-lift loading and unloading devices. Utility Model Content

[0005] The purpose of this utility model is to provide a base frame assembly for a hook-lift loading and unloading device, so as to solve the problem mentioned in the background art that the existing base frame assembly for hook-lift loading and unloading devices has a single fixed structure when it is hooked and fixed at the connection shaft of the external housing, and the damage will immediately affect the use of the equipment.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a base frame assembly applied to a hook-lift loading and unloading device, comprising: a base frame assembly body, a box side strip, and a main tilting rod, wherein fixed rods are provided on the front and rear sides above the base frame assembly body, and two fixed rods are provided;

[0007] Also includes:

[0008] The power end is installed at one end of the main flipping rod. A fixed gripping rod is provided on the upper side of the front end face of the power end, and two fixed gripping rods are provided. A rotating gripping rod is provided on the lower side of the front end face of the power end, and two rotating gripping rods are provided. Both rotating gripping rods are rotatably connected to the power end.

[0009] The mounting storage blocks are installed on the front and rear sides above one end of the main body of the base frame assembly. There are two mounting storage blocks, and the lower ends of the two mounting storage blocks are welded to the front and rear sides above one end of the main body of the base frame assembly. The interior of the two mounting storage blocks is provided with a storage cavity.

[0010] Preferably, both of the two mounting and storage blocks have protruding rods on their inner sides, and there are two protruding rods. Each of the two protruding rods has an infrared sensor on its upper surface.

[0011] Preferably, each of the two protruding rods has a rotating reinforcing rod at its outer end. The rotating reinforcing rod is rotatably connected to the protruding rod via an electric rotating shaft, and there are two electric rotating shafts.

[0012] Preferably, a box body hook is provided on one side of the box body edge strip, and the box body hook is fixedly connected to the box body edge strip.

[0013] Preferably, a mounting shaft is provided between the middle positions of the box hook and ring, and the mounting shaft is fixedly connected to the box hook and ring.

[0014] Preferably, both of the fixed rods are rotatably connected to the main body of the base frame assembly via a main rotating shaft, and there are two main rotating shafts.

[0015] Compared with the prior art, the beneficial effects of this utility model are:

[0016] This invention utilizes a fixed gripper and a rotating gripper on one end of the main flipping rod, along with a storage cavity on the mounting block. The rotating gripper on the power end of the main flipping rod can grasp the mounting shaft on the hook ring of the housing, allowing the fixed gripper and rotating gripper to stably fix the mounting shaft. The mounting shaft is then stored inside the storage cavity within the mounting block, thus limiting and fixing its position. Furthermore, the invention incorporates a protruding rod, an infrared sensor, a rotating reinforcing rod, and an electric rotating shaft, which can be used to adjust the position of the protruding rod located on the inner side of the mounting block. The system consists of a body, an infrared sensor, a rotating reinforcing rod, and an electric rotating shaft. The infrared sensor is connected to the external vehicle body via wires. When the upper side of the infrared sensor detects the installation shaft entering, it sends a signal to the electric rotating shaft to start forward operation, thereby rotating the rotating reinforcing rod. After rotation, the rotating reinforcing rod can fix the installation shaft again, improving the versatility of installation and effectively avoiding the problem of existing base assemblies used for hook fixation at the connection shaft with the external housing, which have a single structural fixation and whose damage immediately affects the use of the equipment. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0018] Figure 2 This is a top view of a partial structural diagram of the power end of this utility model;

[0019] Figure 3 This is a schematic diagram of the inner structure of the installation and storage block of this utility model;

[0020] In the diagram: 100, Base frame assembly main body; 101, Installation and storage block; 10101, Storage cavity; 10102, Protruding rod; 10103, Infrared sensor; 10104, Rotary reinforcing rod; 10105, Electric rotating shaft; 200, Fixed rod; 201, Main rotating shaft; 300, Main tilting rod; 301, Power end; 302, Fixed grab bar; 303, Rotating grab bar; 400, Box hook; 401, Installation shaft; 500, Box side strip. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0022] Example 1

[0023] Please see Figure 1-3An embodiment of this utility model is provided: a base frame assembly for a hook-lift loading and unloading device, comprising: a base frame assembly body 100, a box side strip 500 and a main tilting rod 300, and two fixing rods 200 are provided on the front and rear sides above the base frame assembly body 100.

[0024] Also includes:

[0025] The power end 301 is installed at one end of the main flipping rod 300. A fixed gripping rod 302 is provided on the upper side of the front end face of the power end 301, and two fixed gripping rods 302 are provided. A rotating gripping rod 303 is provided on the lower side of the front end face of the power end 301, and two rotating gripping rods 303 are provided. Both rotating gripping rods 303 are rotatably connected to the power end 301.

[0026] The mounting storage block 101 is installed on the front and rear sides above one end of the base frame assembly body 100. There are two mounting storage blocks 101. The lower ends of the two mounting storage blocks 101 are welded to the front and rear sides above one end of the base frame assembly body 100. The interior of the two mounting storage blocks 101 is provided with a storage cavity 10101.

[0027] The rotating gripper 303 on the power end 301 at one end of the main flipping rod 300 can grip the mounting shaft 401 on the box hook 400, so that the fixed gripper 302 and the rotating gripper 303 can stably fix the mounting shaft 401, and then store the mounting shaft 401 inside the storage cavity 10101 inside the installation storage block 101 to limit and fix its position.

[0028] Example 2

[0029] Please see Figure 3 Both mounting and storage blocks 101 have protruding rods 10102 on their inner sides, and there are two protruding rods 10102. Infrared sensors 10103 are provided on the upper end surfaces of both protruding rods 10102. Rotational reinforcing rods 10104 are provided on the outer ends of both protruding rods 10102. The rotational reinforcing rods 10104 are rotatably connected to the protruding rods 10102 through electric rotating shafts 10105, and there are two electric rotating shafts 10105.

[0030] A protruding rod 10102, an infrared sensor 10103, a rotating reinforcing rod 10104, and an electric rotating shaft 10105 can also be provided on the inner side of the mounting storage block 101. The infrared sensor 10103 is connected to the external vehicle body via a wire. When the upper side of the infrared sensor 10103 senses the entry of the mounting shaft 401, it sends a signal to the electric rotating shaft 10105 to start forward operation, thereby rotating the rotating reinforcing rod 10104. After rotation, the rotating reinforcing rod 10104 can fix the mounting shaft 401 again, improving the versatility of installation and fixation.

[0031] Please see Figure 2 A box body hook 400 is provided on one side of the box body side strip 500, and the box body hook 400 is fixedly connected to the box body side strip 500.

[0032] Please see Figure 1 and Figure 2 A mounting shaft 401 is provided between the middle positions of the box hook 400, and the mounting shaft 401 is fixedly connected to the box hook 400.

[0033] Please see Figure 1 Both fixed rods 200 are rotatably connected to the base frame assembly body 100 via the main rotating shaft 201, and there are two main rotating shafts 201.

[0034] Working principle: During use, the main flipping rod 300 can rotate via the main rotating shaft 201. During rotation, the rotating gripping rod 303 on the power end 301 at one end of the main flipping rod 300 can grip the mounting shaft 401 on the box hook 400, allowing the fixed gripping rod 302 and the rotating gripping rod 303 to stably fix the mounting shaft 401. The mounting shaft 401 is then stored inside the storage cavity 10101 within the installation storage block 101, limiting and fixing its position. Simultaneously, it can also be stored within the installation storage block... The inner side of 101 is provided with a protruding rod 10102, an infrared sensor 10103, a rotating reinforcing rod 10104, and an electric rotating shaft 10105. The infrared sensor 10103 is connected to the external vehicle body via a wire. When the upper side of the infrared sensor 10103 senses the entry of the mounting shaft 401, it sends a signal to the electric rotating shaft 10105 to start forward operation, thereby rotating the rotating reinforcing rod 10104. After rotation, the rotating reinforcing rod 10104 can fix the mounting shaft 401 again, improving the versatility of installation and fixation.

[0035] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A base frame assembly for a hook-lift loading and unloading device, comprising a base frame assembly body (100), a box side strip (500), and a main tilting rod (300), wherein a fixing rod (200) is provided on the front and rear sides above the base frame assembly body (100), and two fixing rods (200) are provided; Its features are: Also includes: A power end (301) is installed at one end of the main rotating rod (300). A fixed gripping rod (302) is provided on the upper side of the front end face of the power end (301), and there are two fixed gripping rods (302). A rotating gripping rod (303) is provided on the lower side of the front end face of the power end (301), and there are two rotating gripping rods (303). Both rotating gripping rods (303) are rotatably connected to the power end (301). The mounting storage block (101) is installed on the front and rear sides above one end of the base frame assembly body (100). There are two mounting storage blocks (101). The lower ends of the two mounting storage blocks (101) are welded to the front and rear sides above one end of the base frame assembly body (100). The interior of the two mounting storage blocks (101) is provided with a storage cavity (10101).

2. The underframe assembly for a hooklift loading and unloading device according to claim 1, characterized in that: The inner sides of the two mounting and storage blocks (101) are provided with protruding rods (10102), and there are two protruding rods (10102). The upper end surfaces of the two protruding rods (10102) are provided with infrared sensors (10103).

3. The underframe assembly for a hooklift loading and unloading device according to claim 2, characterized in that: The outer ends of the two protruding rods (10102) are provided with rotating reinforcing rods (10104). The rotating reinforcing rods (10104) are rotatably connected to the protruding rods (10102) through electric rotating shafts (10105), and there are two electric rotating shafts (10105).

4. The base frame assembly for a hooklift loading and unloading device according to claim 1, characterized in that: A box hook (400) is provided on one side of the box body side strip (500), and the box body hook (400) is fixedly connected to the box body side strip (500).

5. The underframe assembly for a hooklift loading and unloading device according to claim 4, characterized in that: An installation shaft (401) is provided between the middle positions of the box hook (400), and the installation shaft (401) is fixedly connected to the box hook (400).

6. The underframe assembly for a hooklift loading and unloading device according to claim 1, characterized in that: Both of the fixed rods (200) are rotatably connected to the main body of the base frame assembly (100) via the main rotating shaft (201), and there are two main rotating shafts (201).

Citation Information

Patent Citations

  • Large-L-shaped small-tonnage pulling arm device

    CN203528360U