Special rear suspension for engineering vehicle

By designing a special rear suspension for engineering vehicles, the problems of complex structure, excessive weight, and high processing difficulty in existing technologies have been solved, achieving the effects of simplified structure, easy maintenance, and improved integration.

CN224197828UActive Publication Date: 2026-05-05HENAN GENGLI ENG EQUIP CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
HENAN GENGLI ENG EQUIP CO LTD
Filing Date
2025-05-14
Publication Date
2026-05-05

AI Technical Summary

Technical Problem

The existing engineering vehicle rear suspension structure is complex, excessively heavy, has large structural deformation, is difficult to process, has low integration, is inconvenient to weld, and is difficult to maintain.

Method used

A special rear suspension for engineering vehicles was designed, which includes a combined structure of components such as rear suspension welding, rear suspension tail plate welding, fuel tank fixing plate, and water pump base. This simplifies the installation and maintenance of parts and improves overall stability and integration.

Benefits of technology

The design simplifies the structure of the rear suspension of engineering vehicles, making maintenance easier, reducing the overall size, improving reliability and integration, and shortening the production cycle.

✦ Generated by Eureka AI based on patent content.

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Abstract

A special rear suspension for an engineering truck relates to the technical field of engineering truck accessories and comprises a rear suspension welding part, a rear suspension tail plate welding part is fixed at the tail of the rear suspension welding part, a plurality of rear suspension handrails are fixed on the side face of the rear suspension tail plate welding part, and two groups of oil tank fixing plates which are symmetrically arranged front and back are fixed in the middle of the rear suspension welding part. A water pump base is mounted in the middle of the rear suspension welding part, a rotating shaft lug plate is fixed to the position, close to the bottom, of the middle of the rear suspension welding part, a motor mounting plate is mounted on the upper portion of the front end of the rear suspension welding part, and a rear beam welding part is fixed to the tail of the rear suspension welding part. The drill jumbo is convenient for workers to carry out collective maintenance, meanwhile, the overall shape of the drill jumbo can be reduced, the structure of each welding part meets the overall stability requirement, and the drill jumbo is simple and reasonable in structure, high in reliability, high in integration and short in production period.
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Description

Technical Field

[0001] This utility model relates to the field of engineering vehicle parts technology, and in particular to a special rear suspension for engineering vehicles. Background Technology

[0002] With the rapid development of my country's road construction, there is a corresponding need to build many tunnels. Tunnel engineering vehicles are needed in the construction of tunnels. Currently, the rear suspension structure of engineering vehicles used in the field of engineering vehicles is complex, the overall weight is too heavy, the structural deformation is large, the overall processing is difficult, the integration is low, welding is inconvenient, and maintenance is inconvenient. Utility Model Content

[0003] The technical problem to be solved by this utility model is to overcome the existing defects and provide a special rear suspension for engineering vehicles. It facilitates collective maintenance by workers while reducing the overall size of the rock drilling rig. The structure of each welded component meets the overall stability requirements. The structure is simple and reasonable, with high reliability, high integration, and short production cycle, which can effectively solve the problems in the background technology.

[0004] To achieve the aforementioned objective, this utility model adopts the following technical solution:

[0005] A special rear suspension for engineering vehicles includes a rear suspension welded assembly, a rear suspension tail plate welded assembly fixed to the rear of the rear suspension welded assembly, several rear suspension grab handles fixed to the side of the rear suspension tail plate welded assembly, two sets of fuel tank fixing plates arranged symmetrically front and rear to the middle of the rear suspension welded assembly, a water pump base installed in the middle of the rear suspension welded assembly, a rotating axle lug plate fixed near the bottom of the middle of the rear suspension welded assembly, a motor mounting plate installed on the upper front of the rear suspension welded assembly, and a rear beam welded assembly fixed to the rear of the rear suspension welded assembly.

[0006] Furthermore, a rear suspension tail plate is fixed to the side of the rear suspension weld, and the bottom end of the rear suspension tail plate is fixedly connected to the rear suspension weld and the rear beam weld.

[0007] Furthermore, several fuel tank seat ribs are fixed to the side of the fuel tank fixing plate, and the bottom end of the fuel tank seat ribs is fixedly connected to the top of the rear suspension welded together.

[0008] Furthermore, two water pump seat ribs are fixed to the bottom of the water pump base, and one end of the water pump seat ribs is fixedly connected to the rear suspension rib.

[0009] Furthermore, the head of the rear suspension weld is fixed with a main stiffening plate, and a motor cross brace tube is fixed on the motor mounting plate, with the end of the motor cross brace tube fixedly connected to the main stiffening plate.

[0010] Furthermore, a drum ear plate is fixed on the rear beam welded component, and one end of the drum ear plate is fixedly connected to the rear overhang tail plate.

[0011] Compared with the prior art, the beneficial effects of this utility model are as follows: This special rear suspension for engineering vehicles has the following advantages: it allows the components of the rock drilling rig to be installed together, facilitating collective maintenance by workers while reducing the overall size of the rock drilling rig. The mounting frame for this engineering vehicle can accommodate the installation of multiple motors, hydraulic tanks, water pumps, filters, cable reels, water cable reels, and tilting ladders on a three-arm rock drilling rig. The various welded components of the rear suspension of this engineering vehicle meet the requirements for overall stability, have a simple and reasonable structure, high reliability, high integration, and a short production cycle. Attached Figure Description

[0012] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0013] Figure 2 This is a three-dimensional side view of the present invention.

[0014] In the diagram: 1-Rear suspension welding, 2-Main stiffener plate, 3-Motor mounting plate, 4-Motor cross brace tube, 5-Fuel tank fixing plate, 6-Fuel tank seat stiffener plate, 7-Rear beam welding assembly, 8-Roller ear plate, 9-Rear suspension tail plate welding, 10-Rear suspension grab handle, 11-Water pump base, 12-Water pump seat stiffener plate. Detailed Implementation

[0015] The present invention will be explained in detail through the following embodiments. The purpose of disclosing the present invention is to protect all technical improvements within the scope of the present invention.

[0016] Please see Figure 1-2 This embodiment provides a technical solution: a special rear suspension for engineering vehicles, including a rear suspension welded assembly 1, a rear suspension tail plate welded assembly 9 fixed to the rear of the rear suspension welded assembly 1, a plurality of rear suspension grab handles 10 fixed to the side of the rear suspension tail plate welded assembly 9, two sets of fuel tank fixing plates 5 arranged symmetrically front and rear to the middle of the rear suspension welded assembly 1, a water pump base 11 installed in the middle of the rear suspension welded assembly 1, a rotating shaft lug plate fixed in the middle near the bottom of the rear suspension welded assembly 1, a motor mounting plate 3 installed on the upper front end of the rear suspension welded assembly 1, and a rear beam welded assembly 7 fixed to the rear of the rear suspension welded assembly 1.

[0017] The components of the rock drilling rig are assembled together using a special rear suspension for engineering vehicles, which facilitates collective maintenance by workers and reduces the overall size of the rock drilling rig. The mounting frame of this engineering vehicle can accommodate the installation of multiple motors, hydraulic oil tanks, water pumps, filters, cable reels, water cable reels, and tilting ladders on a three-arm rock drilling rig. The various welded components of the rear suspension of this engineering vehicle meet the requirements for overall stability. The structure is simple and reasonable, with high reliability, high integration, and short production cycle. The rear suspension tail plate is fixed to the side of the rear suspension weld 1, and the bottom end of the rear suspension tail plate is fixedly connected to the rear suspension weld 1 and the rear beam weld 7.

[0018] Several fuel tank seat stiffeners 6 are fixed to the side of the fuel tank fixing plate 5. The bottom end of the fuel tank seat stiffeners 6 is fixedly connected to the top of the rear suspension weld 1. The fuel tank seat stiffeners 6 are used to increase the connection strength between the fuel tank fixing plate 5 and the rear suspension weld 1.

[0019] Two water pump seat ribs 12 are fixed to the bottom of the water pump base 11. One end of the water pump seat rib 12 is fixedly connected to the rear suspension rib. The water pump seat rib 12 is used to increase the fixing strength between the water pump base 11 and the rear suspension rib.

[0020] The head of the rear suspension weld 1 is fixed with a main stiffening plate 2, the motor mounting plate 3 is fixed with a motor cross brace tube 4, the end of the motor cross brace tube 4 is fixedly connected to the main stiffening plate 2, the rear beam weld 1 is fixed with a drum ear plate 8, one end of the drum ear plate 8 is fixedly connected to the rear suspension tail plate, and the drum ear plate 8 is used to install the drum.

[0021] The working principle of the special rear suspension for engineering vehicles provided by this utility model is as follows: the special rear suspension for engineering vehicles can be used to install the components of the rock drilling rig together, which facilitates collective maintenance by the staff and reduces the overall size of the rock drilling rig. The mounting frame of this engineering vehicle can accommodate the installation of multiple motors, hydraulic oil tanks, water pumps, filters, cable reels, water cable reels, and tilting ladders on a three-arm rock drilling rig. The welded structure of each component of the rear suspension of this engineering vehicle meets the requirements of overall stability. The structure is simple and reasonable, with high reliability, high integration, and short production cycle.

[0022] It is worth noting that the components disclosed in the above embodiments are all general standard parts or parts known to those skilled in the art, and their structures and principles can be learned by those skilled in the art through technical manuals or conventional experimental methods.

[0023] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances. For example, a rotary connection can refer to a rotary connection through a bearing.

[0024] The parts of this utility model not described in detail are prior art. Although this utility model has been specifically shown and introduced in conjunction with preferred embodiments, there are many methods and approaches to implement this technical solution. The above description is only a preferred embodiment of this utility model. However, those skilled in the art should understand that various changes in form and detail can be made to this utility model without departing from the spirit and scope of this utility model as defined by the appended claims, and all such changes shall be within the protection scope of this utility model.

Claims

1. A special rear suspension for engineering vehicles, comprising a rear suspension welded (1), characterized in that: The rear suspension weld (1) is fixed with a rear suspension tail plate weld (9) at its tail end. Several rear suspension handrails (10) are fixed on the side of the rear suspension tail plate weld (9). Two sets of fuel tank fixing plates (5) are fixed in the middle of the rear suspension weld (1) and arranged symmetrically in front and behind. A water pump base (11) is installed in the middle of the rear suspension weld (1). A rotating shaft lug plate is fixed in the middle of the rear suspension weld (1) near the bottom. A motor mounting plate (3) is installed on the upper front end of the rear suspension weld (1). A rear beam weld (7) is fixed at the tail end of the rear suspension weld (1).

2. The rear suspension for engineering vehicles according to claim 1, characterized in that: The rear suspension weld (1) has a rear suspension tail plate fixed to its side, and the bottom end of the rear suspension tail plate is fixedly connected to the rear suspension weld (1) and the rear beam weld (7).

3. The rear suspension for engineering vehicles according to claim 1, characterized in that: Several fuel tank seat ribs (6) are fixed to the side of the fuel tank fixing plate (5), and the bottom end of the fuel tank seat ribs (6) is fixedly connected to the top of the rear suspension weld (1).

4. The rear suspension for engineering vehicles according to claim 1, characterized in that: Two water pump seat ribs (12) are fixed to the bottom of the water pump base (11), and one end of the water pump seat ribs (12) is fixedly connected to the rear suspension ribs.

5. A special rear suspension for engineering vehicles according to claim 1, characterized in that: The head of the rear suspension weld (1) is fixed with a main stiffening plate (2), and the motor mounting plate (3) is fixed with a motor cross brace tube (4). The end of the motor cross brace tube (4) is fixedly connected to the main stiffening plate (2).

6. A special rear suspension for engineering vehicles according to claim 1, characterized in that: A drum ear plate (8) is fixed on the rear beam welded assembly (1), and one end of the drum ear plate (8) is fixedly connected to the rear suspension tail plate.