Pipeline system suspended in cab

By adopting a T-junction and fastening bracket design in the heavy-duty truck cab suspension system, the limitations of the installation position and stability of the suspension system are solved, and the integration of pipelines and suspension system is realized, thereby improving vehicle handling and safety.

CN223672447UActive Publication Date: 2025-12-16JIANGYIN SHENGSHIJIE MACHINERY MFG
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520063050.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-13
Publication Date
2025-12-16
Estimated Expiration
2035-01-13

AI Technical Summary

Technical Problem

Existing heavy-duty truck cab suspension systems suffer from limitations in installation location and insufficient stability when integrating automatic driving and vehicle dynamic control systems, and the layout of the piping system is also highly complex.

Method used

Design a cab suspension piping system that uses two tees to connect the air and oil lines at both ends of the crossbeam. The tees are installed inside the crossbeam and combined with a fastener and an L-shaped adapter to integrate the piping with the suspension system, simplifying piping layout and improving stability.

Benefits of technology

It integrates piping and suspension systems, improving vehicle handling and safety, simplifying piping layout, and enhancing stability in confined spaces and under swaying motion.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223672447U_ABST
    Figure CN223672447U_ABST
Patent Text Reader

Abstract

The utility model discloses a pipeline system of a cab suspension, and relates to the technical field of suspension systems. The suspension device comprises a suspension system and a pipeline system, the suspension system comprises a cross beam and a group of bottom beams, swing arms are arranged at two ends of the cross beam, shock absorbers are arranged between the swing arms and the bottom beams, hydraulic locks are arranged on the swing arms, height valves are arranged between the bottom beams and the swing arms, and the pipeline system comprises a group of exhaust pipes, a group of air inlet pipes, a group of oil pipes and a group of tee joints. The two tee joints are respectively a gas path tee joint and an oil path tee joint; and the shock absorber is connected with the air inlet end of the altitude valve through an air inlet pipe. The two tee joints are used for converging the gas path and the oil path at the two ends of the cross beam respectively, the tee joints are installed in the cross beam, the tee joints and the pipelines can be protected, the pipelines and a suspension system can be integrated, modular assembly is facilitated, meanwhile, the pipelines can be connected with a vehicle control system, and the assembly efficiency is improved. And the controllability and the safety of the whole vehicle are realized.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of suspension system, especially, relate to a pipe system of cab suspension. BACKGROUND

[0002] For the suspension system of heavy truck cab, the hydraulic lock at the end of the swing arm connects the cab, the bottom beam connects the frame, and the shock absorber between the swing arm and the bottom beam is used for damping, wherein the hydraulic lock needs an oil circuit, and in order to improve the stability of the suspension system, a height valve can be arranged between the swing arm and the bottom beam to balance, wherein the height valve needs air intake and exhaust, and there are two groups of shock absorbers, height valves and hydraulic valves.

[0003] In order to improve the control system, the suspension system can be integrated with other control systems of the vehicle, including the automatic driving system and the vehicle dynamic control system, to improve the overall vehicle control and safety, so the pipe system with good integration effect is designed to solve the problem of the workers in the field, and the installation position is limited, so the pipe system with good stability is also needed. SUMMARY

[0004] The utility model discloses a pipe system of cab suspension, through two three ways respectively for the convergence of beam two end gas circuit and oil circuit, and three ways are installed in beam, that is, can protect three ways and pipe, same can integrate pipe and suspension system in an organic whole, benefit modular assembly, simultaneously can connect pipe and vehicle control system, realize the control and safety of overall vehicle.

[0005] To solve the above technical problems, the utility model is realized through the following technical schemes:

[0006] The utility model discloses a pipe system of cab suspension, including suspension system and pipe system, the suspension system includes crossbeam and a group of bottom beam, the crossbeam both ends are equipped with swing arm, be equipped with shock absorber between swing arm and bottom beam, be equipped with hydraulic lock on swing arm, be equipped with height valve between bottom beam and swing arm;

[0007] The pipe system includes a group of exhaust pipes, a group of air inlet pipes, a group of oil pipes and a group of three ways, and two three ways are gas circuit three ways and oil circuit three ways respectively;

[0008] The shock absorber is connected with the air inlet end of the height valve through the air inlet pipe, the gas circuit three way is connected with the exhaust end of the height valve through the exhaust pipe, the oil circuit end of the hydraulic lock is fixed with the L-shaped adapter, the L-shaped adapter is connected with the oil circuit three way through the oil pipe, and the gas circuit three way and the oil circuit three way are fixed in the middle part of the crossbeam through the fastening frame.

[0009] The fastening frame includes a U-shaped seat and a pressing block.

[0010] The horizontal beam is a U-shaped steel structure, the cushion seat is attached to the inner wall of the horizontal beam, and the two side edges of the U-shaped seat are attached to the two side edges of the horizontal beam;

[0011] The two side edges of the U-shaped seat are respectively attached to the two side edges of the horizontal beam;

[0012] The pressing block is arranged between the two three-way pipes, vertical arc-shaped openings are arranged at the centers of the two sides of the pressing block and are matched with the vertical pipe ends of the three-way pipes, longitudinal arc-shaped edges are arranged at the two sides of the pressing block and are matched with the horizontal pipe ends of the three-way pipes, horizontal grooves are arranged at the two ends of the pressing block and are concentric with the fastening sleeves, and the pressing block and the U-shaped seat are fixed to the horizontal beam through the fasteners, the fastening sleeves and the horizontal grooves.

[0013] Further, a group of mounting openings are arranged at the two sides of the middle part of the horizontal beam, and the fasteners pass through the mounting openings of the horizontal beam, the fastening sleeves of the U-shaped seat and the horizontal grooves of the pressing block.

[0014] Further, the three-way pipe is provided with a platform surface on the side close to the side edge of the U-shaped seat, and the platform surface is attached to the side edge of the U-shaped seat.

[0015] Further, soft pads are arranged on the inner wall of the U-shaped seat and the two side surfaces of the pressing block, and the soft pads are attached to the three-way pipes.

[0016] Further, the fastening sleeves on the two sides of the U-shaped seat form a gap, and the width of the three-way pipe is smaller than the gap.

[0017] Further, the oil pipe and the exhaust pipe away from the three-way pipe in the horizontal beam are fixed to the horizontal beam through pipe clamps.

[0018] The utility model has the following beneficial effects:

[0019] 1. The utility model discloses a three-way pipe for the convergence of the gas circuit and the oil circuit of the horizontal beam, and the three-way pipe is arranged in the horizontal beam, which can protect the three-way pipe and the pipeline, integrate the pipeline and the suspension system, facilitate the modular assembly, and connect the pipeline and the vehicle control system to realize the controllability and safety of the whole vehicle.

[0020] 2. The utility model discloses a fastening frame for connecting the two three-way pipes, which can position and limit the position of the three-way pipe, has high stability, avoids the problem of poor position stability caused by vibration, and has good protection and stability.

[0021] 3. The utility model discloses a design through L type adapter, can draw the oil circuit of hydraulic lock, make oil circuit and gas circuit respectively at the front and back sides of suspension system, improve the simplification of pipeline wiring, avoid pipeline interference problem, convenient narrow space, the pipeline layout under the swing of swing arm.

[0022] Of course, implementing any product of the utility model does not necessarily need to achieve all the advantages mentioned above at the same time. DRAWINGS

[0023] In order to more clearly illustrate the technical scheme of the utility model embodiment, the following will be needed to use the drawing of the embodiment briefly introduced, obviously, the drawing in the following description only some embodiments of the utility model, for those skilled in the art, under the premise of not paying creative labor, other drawings can also be obtained according to these drawings.

[0024] Figure 1 It is the structural diagram of one side of the suspension system of the utility model;

[0025] Figure 2 It is the structural diagram of the other side of the suspension system of the utility model;

[0026] Figure 3 It is the structural diagram of two tee joints and fastening frame connection;

[0027] Figure 4 It is Figure 3 Structural section view of two tee joint positions in

[0028] Figure 5 It is Figure 3 Structural section view of fastening frame and crossbeam connecting point positions in

[0029] In the drawings, the component list represented by each mark is as follows:

[0030] 1-crossbeam, 2-bottom beam, 3-swing arm, 4-shock absorber, 5-hydraulic lock, 6-height valve, 7-fastening frame, 8-exhaust pipe, 9-inlet pipe, 10-oil pipe, 11-tee joint, 12-platform surface, 101-mounting port, 501-L type adapter, 701-U type seat, 702-pressing block, 703-pad seat, 704-fastening sleeve, 705-vertical arc-shaped port, 706-longitudinal arc-shaped edge, 707-transverse groove. DETAILED DESCRIPTION

[0031] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0032] Please see Figures 1-5 As shown, this utility model is a cab suspension piping system, including a suspension system and a piping system. The suspension system includes a crossbeam 1 and a set of bottom beams 2. Both ends of the crossbeam 1 are provided with swing arms 3. A shock absorber 4 is provided between the swing arms 3 and the bottom beams 2. A hydraulic lock 5 is provided on the swing arms 3. A height valve 6 is provided between the bottom beams 2 and the swing arms 3.

[0033] The piping system includes a set of exhaust pipes 8, a set of intake pipes 9, a set of oil pipes 10 and a set of tees 11, with the two tees 11 being an air tee and an oil tee, respectively.

[0034] The shock absorber 4 is connected to the air intake end of the height valve 6 through the air intake pipe 9, and the air passage tee is connected to the exhaust end of the height valve 6 through the exhaust pipe 8. The hydraulic lock 5 has an L-shaped adapter 501 fixed at the oil passage end. The L-shaped adapter 501 is connected to the oil passage tee through the oil pipe 10. The air passage tee and the oil passage tee are fixed to the middle of the crossbeam 1 by the fastening bracket 7.

[0035] The fastening bracket 7 includes a U-shaped seat 701 and a pressure block 702;

[0036] A pad 703 is fixed at the horizontal side of the U-shaped seat 701. The crossbeam 1 is a U-shaped steel structure. The pad 703 is attached to the inner wall of the horizontal side of the crossbeam 1. The two sides of the U-shaped seat 701 are attached to the two sides of the crossbeam 1 respectively.

[0037] A set of fastening sleeves 704 are fixed on the inner side of both sides of the U-shaped seat 701. The vertical pipe end gap of the tee 11 is set between the two fastening sleeves 704, and the horizontal pipe end gap of the tee 11 is set between the fastening sleeves 704 and the horizontal edge of the U-shaped seat 701.

[0038] The pressure block 702 is set between the two tees 11. The center of both sides of the pressure block 702 is provided with a vertical arc-shaped opening 705 that matches the vertical pipe end of the tee 11. The two sides of the pressure block 702 are provided with a longitudinal arc-shaped edge 706 that matches the horizontal pipe end of the tee 11. Both ends of the pressure block 702 are provided with a horizontal groove 707 concentric with the fastening sleeve 704. The pressure block 702 and the U-shaped seat 701 are fixed to the crossbeam 1 by fasteners, fastening sleeves 704 and horizontal grooves 707.

[0039] Among them, such as Figure 3 and Figure 5As shown, a set of mounting ports 101 are provided on both sides of the middle part of the crossbeam 1. Fasteners pass through the mounting ports 101 of the crossbeam 1, the fastening sleeves 704 of the U-shaped seat 701 and the transverse grooves 707 of the pressure block 702.

[0040] Among them, such as Figures 3-5 As shown, the tee 11 has a platform surface 12 on the side near the side of the U-shaped seat 701, and the platform surface 12 fits against the side of the U-shaped seat 701.

[0041] The inner wall of the U-shaped seat 701 and both sides of the pressure block 702 are provided with soft pads, which are in contact with the tee 11.

[0042] In this case, a gap is formed between the fastening sleeves 704 on both sides of the U-shaped seat 701, and the width of the tee 11 is smaller than the gap.

[0043] Among them, the oil pipe 10 and the exhaust pipe 8, which are far from the tee 11 inside the crossbeam 1, are fixed to the crossbeam 1 by pipe clamps.

[0044] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0045] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A cab suspension pipe system, comprising a suspension system and a pipe system, the suspension system comprising a cross beam (1) and a set of bottom beams (2), the cross beam (1) being provided with swing arms (3) at both ends, a shock absorber (4) being provided between the swing arms (3) and the bottom beams (2), a hydraulic lock (5) being provided on the swing arms (3), a height valve (6) being provided between the bottom beams (2) and the swing arms (3), characterized in that: the pipe system comprises a set of exhaust pipes (8), a set of intake pipes (9), a set of oil pipes (10) and a set of three-way pipes (11), the two three-way pipes (11) being gas and oil three-way pipes respectively; the shock absorber (4) is connected to the gas inlet end of the height valve (6) through the intake pipe (9), the gas three-way pipe is connected to the gas outlet end of the height valve (6) through the exhaust pipe (8), the oil end of the hydraulic lock (5) is fixed with an L-shaped adapter (501), the L-shaped adapter (501) is connected to the oil three-way pipe through the oil pipe (10), and the gas and oil three-way pipes are fixed on the middle part of the cross beam (1) through the fastening frame (7); the fastening frame (7) comprises a U-shaped seat (701) and a pressing block (702); the U-shaped seat (701) is fixed with a pad seat (703) at the horizontal edge, the cross beam (1) is a U-shaped steel structure, the pad seat (703) is attached to the inner wall of the horizontal edge of the cross beam (1), and the two side edges of the U-shaped seat (701) are attached to the two side edges of the cross beam (1) respectively; a set of fastening sleeves (704) are fixed on the inner sides of the two side parts of the U-shaped seat (701), the vertical pipe end gap of the three-way pipe (11) is arranged between the two fastening sleeves (704), and the horizontal pipe end gap of the three-way pipe (11) is arranged between the fastening sleeve (704) and the horizontal edge part of the U-shaped seat (701); the pressing block (702) is arranged between the two three-way pipes (11), vertical arc-shaped openings (705) are arranged at the centers of the two sides of the pressing block (702) and matched with the vertical pipe ends of the three-way pipes (11), longitudinal arc-shaped edges (706) are arranged on the two sides of the pressing block (702) and matched with the horizontal pipe ends of the three-way pipes (11), horizontal grooves (707) are arranged at the two ends of the pressing block (702) and concentric with the fastening sleeves (704), and the pressing block (702) and the U-shaped seat (701) are fixed to the cross beam (1) through fasteners, the fastening sleeves (704) and the horizontal grooves (707); a set of mounting holes (101) are arranged on the two sides of the middle part of the cross beam (1), and the fasteners pass through the mounting holes (101) of the cross beam (1), the fastening sleeves (704) of the U-shaped seat (701) and the horizontal grooves (707) of the pressing block (702); one side of the three-way pipe (11) close to the side edge part of the U-shaped seat (701) is provided with a platform surface (12), and the platform surface (12) is attached to the side edge part of the U-shaped seat (701); soft pads are arranged on the inner wall of the U-shaped seat (701) and the two side surfaces of the pressing block (702) and attached to the three-way pipes (11); the fastening sleeves (704) on the two sides of the U-shaped seat (701) form a gap, and the width of the three-way pipe (11) is smaller than the gap. ​ ​ ​ ​ ​ ​ 2. A cab suspension plumbing system according to claim 1, wherein, ​ 3. A cab suspension plumbing system according to claim 1, wherein, ​ 4. A cab suspension plumbing system according to claim 1, wherein, ​ 5. A cab suspension plumbing system according to claim 1, wherein, ​ 6. A cab suspension plumbing system according to claim 1, wherein, The oil pipe (10) and the exhaust pipe (8) in the cross beam (1) are fixed with the cross beam (1) through pipe clamps.