CN204383561U - Steering actuation cylinder assembly - Google Patents

Steering actuation cylinder assembly Download PDF

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Publication number
CN204383561U
CN204383561U CN201420854190.9U CN201420854190U CN204383561U CN 204383561 U CN204383561 U CN 204383561U CN 201420854190 U CN201420854190 U CN 201420854190U CN 204383561 U CN204383561 U CN 204383561U
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China
Prior art keywords
link
interface
actuation cylinder
steering actuation
check valve
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CN201420854190.9U
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Chinese (zh)
Inventor
程俊锋
陈德利
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BAIC Motor Co Ltd
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BAIC Motor Co Ltd
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Priority to CN201420854190.9U priority Critical patent/CN204383561U/en
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Abstract

The utility model provides a kind of steering actuation cylinder assembly, comprising: steering actuation cylinder, the first link and the second link; Wherein, described first link and described second link include the first interface, the second interface and the 3rd interface that are interconnected; Described first link and the first interface of described second link are connected the first oil inlet and outlet and second oil inlet and outlet of described steering actuation cylinder respectively; Second interface of described first link and described second link is connected to steering actuation cylinder oil pipe; Check valve is equipped with in 3rd interface of described first link and described second link, when carrying out hydraulic test, described check valve conducting, when not carrying out hydraulic test, described check valve cut-off.The steering actuation cylinder assembly that the utility model provides, by the design to the first link and the second link, solves the problem that conventional truck steering pressure test job efficiency is lower.

Description

Steering actuation cylinder assembly
Technical field
The utility model relates to Vehicular turn assisted hydraulic field tests, particularly relates to a kind of steering actuation cylinder assembly.
Background technology
Heavy duty truck all adopts hydraulic power-assist steering system, when there is hard steering fault, need test steering swivel system pressure, to check that whether system pressure is normal.
Traditional pressure test program is comparatively complicated, first its needs carry out dismounting deflector chargine line, drain the oil, Bonding pressure table, recovery pipeline is installed, and adds fluid, and left and right is beaten direction and got rid of the work such as steering swivel system inner air, just can carry out pressure test afterwards, thus result in the lower problem of conventional pressure test job efficiency.Meanwhile, in oil extraction process, inevitably cause the pollution of fluid to environment and the waste of fluid.
Utility model content
The utility model provides a kind of steering actuation cylinder assembly, in order to solve conventional truck hydraulic power-assist steering system pressure test sequence complicated operation, the inefficient problem of test job.Avoid the pollution of fluid to environment and the waste of fluid simultaneously.
The steering actuation cylinder assembly that the utility model provides, comprising:
Steering actuation cylinder, the first link and the second link; Wherein, described first link and described second link include the first interface, the second interface and the 3rd interface that are interconnected;
Described first link and the first interface of described second link are connected the first oil inlet and outlet and second oil inlet and outlet of described steering actuation cylinder respectively;
Second interface of described first link and described second link is connected to steering actuation cylinder oil pipe;
Check valve is equipped with in 3rd interface of described first link and described second link, when carrying out hydraulic test, described check valve conducting, when not carrying out hydraulic test, described check valve cut-off.
The end face of described 3rd interface is provided with sealing member, and the end face of described sealing member is provided with test hole.
Described check valve comprises: spring and spool;
Described spool is arranged on one end of described spring, and the other end of described spring is fixedly installed in described check valve, and described spool blocks described test hole under the predetermincd tension effect of described spring.
Described 3rd interface is connected with compression indicator; Wherein,
Manometric joint, through described test hole, backs down the described spool getting lodged in described test hole place, to realize the connection of described compression indicator and described 3rd interface.
Described 3rd interface is provided with dust boot.
The first interface of described first link and described second link is spirally connected with the first oil inlet and outlet of described steering actuation cylinder and the second oil inlet and outlet respectively.
The steering actuation cylinder assembly that the utility model provides, by arranging the first link and the second link at the first oil inlet and outlet of steering actuation cylinder and the second oil inlet and outlet place respectively, and by the first interface of the first link and the second link being connected to respectively the first oil inlet and outlet and second oil inlet and outlet of steering actuation cylinder; Second interface of the first link and described second link is connected to steering actuation cylinder oil pipe, and respectively check valve is arranged in the 3rd interface of the first link and the second link.When tested, do not need to carry out to lay down deflector chargine line and to drain the oil etc. operating process, only needs, on the 3rd interface by test pressure list catenation to the first link or the second link, can complete test job.Thus reduce the complexity of hydraulic power steering system pressure test, improve test job efficiency, avoid the pollution of fluid to environment and the waste of fluid simultaneously.
Accompanying drawing explanation
The structural representation of the steering actuation cylinder assembly that Fig. 1 provides for the utility model embodiment;
Fig. 2 is the structural representation of check valve in the utility model embodiment.
Detailed description of the invention
For making the object of the utility model embodiment, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
The structural representation of the steering actuation cylinder assembly that Fig. 1 provides for the utility model embodiment one, as shown in Figure 1, the steering actuation cylinder assembly that the present embodiment provides, comprising:
Steering actuation cylinder 1, first link 2 and the second link 3; Wherein, described first link 2 and described second link 3 include the first interface, the second interface and the 3rd interface that are interconnected;
Described first link 2 and the first interface of described second link 3 are connected the first oil inlet and outlet 11 and the second oil inlet and outlet 12 of described steering actuation cylinder respectively;
Second interface of described first link 2 and described second link 3 is connected to steering actuation cylinder oil pipe;
Be equipped with check valve 4 in 3rd interface of described first link 2 and described second link 3, when carrying out hydraulic test, the conducting of described check valve 4, when not carrying out hydraulic test, described check valve 4 ends.
Concrete, the first link 2 comprises first interface 21, second interface 22 and the 3rd interface that are interconnected.The first interface 21 of described first link 2 is connected with the first oil inlet and outlet 11 of steering actuation cylinder, and preferably, the first interface 21 of the first link 2 can adopt the mode be spirally connected to be connected to the first oil inlet and outlet 11 of steering actuation cylinder.Second interface 22 of described first link 2 is connected with described steering actuation cylinder oil pipe, preferably, steering actuation cylinder oil pipe can be screw-coupled to the second interface 22.The inside of the 3rd interface 23 of described first link 2 is provided with check valve 4, when carrying out hydraulic test, the conducting of described check valve 4, when not carrying out hydraulic test, described check valve 4 ends, this embodiment, when not carrying out hydraulic test and check valve 4 ends, can prevent fluid from revealing, thus avoids the waste due to fluid leakage pollution on the environment and fluid.
Further, the end face of described 3rd interface 23 is also provided with sealing member, and the end face of described sealing member is provided with test hole.This embodiment, when carrying out hydraulic test, compression indicator is connected can tests with described test hole, do not need to carry out dismounting steering actuation cylinder oil pipe, the operations such as oil extraction, greatly reduce the complexity of hydraulic power steering system pressure test, improve test job efficiency.Preferably, described 3rd interface 23 being also provided with dust boot, when not carrying out hydraulic test, by dust shroud on described 3rd interface 23, blocking described test hole with dust protection.
Similar, the second link 3 comprises first interface 31, second interface 32 and the 3rd interface 33 that are interconnected.The first interface 31 of described second link 3 is connected with the second oil inlet and outlet 12 of steering actuation cylinder, and preferably, the first interface 31 of the second link 3 can adopt the mode be spirally connected to be connected to the second oil inlet and outlet 12 of steering actuation cylinder.Second interface 32 of described second link 3 is connected with described steering actuation cylinder oil pipe, preferably, steering actuation cylinder oil pipe can be screw-coupled to the second interface 32.The inside of the 3rd interface 33 of described second link 3 is provided with check valve 4, when carrying out hydraulic test, the conducting of described check valve 4, when not carrying out hydraulic test, described check valve 4 ends, this embodiment, when not carrying out hydraulic test and check valve 4 ends, can prevent fluid from revealing, thus avoids the waste due to fluid leakage pollution on the environment and fluid.
Further, the end face of described 3rd interface 33 is also provided with sealing member, and the end face of described sealing member is provided with test hole.This embodiment, when carrying out hydraulic test, compression indicator is connected can tests with described test hole, do not need to carry out dismounting steering actuation cylinder oil pipe, the operations such as oil extraction, greatly reduce the complexity of hydraulic power steering system pressure test, improve test job efficiency.Preferably, described 3rd interface 33 being also provided with dust boot, when not carrying out hydraulic test, by dust shroud on described 3rd interface 33, blocking described test hole with dust protection.
Concrete, Fig. 2 is the structural representation of check valve in the utility model embodiment.As shown in Figure 2, described check valve 4 comprises: spring 41 and spool 42;
Concrete, described spool 42 is arranged on one end of described spring 41, and the other end of described spring 41 is fixedly installed in described check valve 4, and described spool 42 blocks described test hole under the predetermincd tension effect of described spring 41.When carrying out hydraulic test, the 3rd interface 23 of described first link 2 or the 3rd interface 33 of the second link 3 are connected with compression indicator; Concrete further, manometric joint, through described test hole, backs down the described spool 42 getting lodged in described test hole place, to realize the connection of described compression indicator and the 3rd interface.Preferably, in order to improve the connection reliability of compression indicator and the 3rd interface, can also further described manometric joint be connected with described test hole by screw thread.
For making technical solutions of the utility model clearly, below in conjunction with concrete example, the technical solution of the utility model is described.
Such as, with the dimensional orientation of steering actuation cylinder assembly in Fig. 1 for standard, when vehicle beats direction to the left direction of the steering actuation cylinder assembly shown in Fig. 1, steering actuation cylinder is in extended state, high-voltage oil liquid enters steering actuation cylinder from the second interface 32 of described second link 3 and promotes, promote the piston of steering actuation cylinder to left movement, now compression indicator is bolted in the test hole on the 3rd interface 33 of described second link 3, the spool 42 of described check valve 4 backs down and makes check valve 4 conducting by manometric joint, and then records the force value of fluid.When vehicle beats direction to the right direction of the steering actuation cylinder assembly shown in Fig. 1, steering actuation cylinder is in compressive state, high-voltage oil liquid enters steering actuation cylinder from the second interface 22 of described first link 2 and promotes, the piston promoting steering actuation cylinder moves right, now compression indicator is bolted in the test hole on the 3rd interface 23 of described first link 2, the spool 42 of described check valve 4 backs down and makes check valve 4 conducting by manometric joint, and then records the force value of fluid.
The steering actuation cylinder assembly that the present embodiment provides, by arranging the first link and the second link at the first oil inlet and outlet of steering actuation cylinder and the second oil inlet and outlet place respectively, and by the first joint of the first link and the second link being connected to respectively the first oil inlet and outlet and second oil inlet and outlet of steering actuation cylinder; Second joint of the first link and described second link is connected to steering actuation cylinder oil pipe, and respectively check valve is arranged in the 3rd joint of the first link and the second link.When tested, do not need to carry out to lay down deflector chargine line and to drain the oil etc. operating process, only needs, on the 3rd joint by test pressure list catenation to the first link or the second link, can complete test job.Thus reduce the complexity of hydraulic power steering system pressure test, improve test job efficiency, avoid the pollution of fluid to environment and the waste of fluid simultaneously.
Last it is noted that above each embodiment is only in order to illustrate the technical solution of the utility model, be not intended to limit; Although with reference to foregoing embodiments to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristic; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of each embodiment technical scheme of the utility model.

Claims (6)

1. a steering actuation cylinder assembly, is characterized in that, comprising: steering actuation cylinder, the first link and the second link; Wherein, described first link and described second link include the first interface, the second interface and the 3rd interface that are interconnected;
Described first link and the first interface of described second link are connected the first oil inlet and outlet and second oil inlet and outlet of described steering actuation cylinder respectively;
Second interface of described first link and described second link is connected to steering actuation cylinder oil pipe;
Check valve is equipped with in 3rd interface of described first link and described second link, when carrying out hydraulic test, described check valve conducting, when not carrying out hydraulic test, described check valve cut-off.
2. steering actuation cylinder assembly according to claim 1, is characterized in that, the end face of described 3rd interface is provided with sealing member, and the end face of described sealing member is provided with test hole.
3. steering actuation cylinder assembly according to claim 2, is characterized in that, described check valve comprises: spring and spool;
Described spool is arranged on one end of described spring, and the other end of described spring is fixedly installed in described check valve, and described spool blocks described test hole under the predetermincd tension effect of described spring.
4. steering actuation cylinder assembly according to claim 3, is characterized in that, described 3rd interface is connected with compression indicator; Wherein,
Manometric joint, through described test hole, backs down the described spool getting lodged in described test hole place, to realize the connection of described compression indicator and described 3rd interface.
5. the steering actuation cylinder assembly according to any one of claim 1-3, is characterized in that, described 3rd interface is provided with dust boot.
6. steering actuation cylinder assembly according to claim 1, is characterized in that, the first interface of described first link and described second link is spirally connected with the first oil inlet and outlet of described steering actuation cylinder and the second oil inlet and outlet respectively.
CN201420854190.9U 2014-12-29 2014-12-29 Steering actuation cylinder assembly Active CN204383561U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420854190.9U CN204383561U (en) 2014-12-29 2014-12-29 Steering actuation cylinder assembly

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420854190.9U CN204383561U (en) 2014-12-29 2014-12-29 Steering actuation cylinder assembly

Publications (1)

Publication Number Publication Date
CN204383561U true CN204383561U (en) 2015-06-10

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420854190.9U Active CN204383561U (en) 2014-12-29 2014-12-29 Steering actuation cylinder assembly

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111731378A (en) * 2020-06-16 2020-10-02 东风商用车有限公司 Steering power-assisted cylinder assembly with stroke unloading valve

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111731378A (en) * 2020-06-16 2020-10-02 东风商用车有限公司 Steering power-assisted cylinder assembly with stroke unloading valve

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