Parking device for hydrogen fuel truck

Abstract

The utility model relates to the technical field of automobile parts, and discloses a parking device for a hydrogen fuel truck, which comprises an electronic parking braking system and a fixing support, the electronic parking braking system and the fixing support are both fixedly connected with a truck body, the output end of the electronic parking braking system is fixedly connected with a parking stay wire, and the output end of the fixing support is fixedly connected with the parking stay wire. A pull cable support is slidably connected into the fixing support, one end of the parking pull cable extends into the fixing support and is in transmission connection with the pull cable support, the end, away from the parking pull cable, of the pull cable support is fixedly connected with a brake pull cable, and the end, close to the parking pull cable, of the pull cable support is rotationally connected with a movable pulley. The parking stay wire is wound outside the movable pulley and is in transmission connection with the zipper bracket through the movable pulley; the parking device for the hydrogen fuel truck solves the problems that a hydrogen fuel truck on the market is difficult to park on a ramp with the slope being 25% or above, and the phenomenon that the hydrogen fuel truck slips on the ramp exists.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile parts, in particular to a parking device for hydrogen fuel truck. BACKGROUND

[0002] The automatic parking system is a kind of technical application that can realize automatic hand brake in vehicle operation.This technology enables the driver to avoid unnecessary vehicle sliding when the vehicle is parked and started in the case of automatic electronic parking brake.

[0003] The existing parking system is still far from enough for the heavy vehicle, and the hydrogen fuel truck on the market is difficult to park on the slope of more than 25%, and there is a phenomenon of hill rolling, so a simple and powerful parking mechanism is the inevitable trend of market development. UTILITY MODEL CONTENT

[0004] (I) technical problem solved:

[0005] In view of the deficiency of prior art, the utility model provides a parking device for hydrogen fuel truck, which has the advantage of doubling the parking tension, solves the problem of difficulty in parking the hydrogen fuel truck on the slope of more than 25% on the market, and the phenomenon of hill rolling.

[0006] (II) technical scheme:

[0007] In order to realize the above-mentioned purpose of doubling the parking tension, the utility model provides the following technical scheme: a parking device for hydrogen fuel truck, comprising an electronic parking brake system and a fixed support, the electronic parking brake system and the fixed support are fixedly connected with the vehicle body, the output end of the electronic parking brake system is fixedly connected with the parking tension cable, the fixed support is slidably connected with a lock bracket inside, one end of the parking tension cable extends to the inside of the fixed support and is drivingly connected with the lock bracket, and the end of the lock bracket away from the parking tension cable is fixedly connected with the brake cable.

[0008] Preferably, the end of the lock bracket close to the parking tension cable is rotatably connected with a movable pulley, and the parking tension cable is wound outside the movable pulley and drivingly connected with the lock bracket through the movable pulley.

[0009] Preferably, the parking tension cable comprises a first line pipe and a first line body, the first line body is arranged in the first line pipe, and the length of the first line body is greater than the length of the first line pipe.

[0010] Preferably, the end of the first line body away from the electronic parking brake system extends through the fixed support, is wound outside the movable pulley and is fixedly connected with the fixed support, and the end of the first line pipe away from the electronic parking brake system is fixedly connected with the fixed support.

[0011] Preferably, the number of the brake pull wires is two, and each of the two brake pull wires comprises a second line tube and a second line body, the two second line bodies are respectively arranged in the two second line tubes, and the length of each of the two second line bodies is greater than the length of each of the two second line tubes.

[0012] Preferably, the two second line tubes are fixedly connected to the fixed support away from the parking pull wire, and the two second line bodies are fixedly connected to the lock support through the fixed support.

[0013] Preferably, the two brake pull wires are respectively connected to the two brake discs away from the fixed support.

[0014] (Three) beneficial effects:

[0015] Compared with the prior art, the utility model provides a hydrogen fuel truck parking device, has the following beneficial effects:

[0016] The hydrogen fuel truck parking device, through setting up electronic parking system, when parking, electronic parking system work drives parking pull wire to be tight, through setting up movable pulley, parking pull wire is arranged in movable pulley outside, make the pulling force of lock support change into two, in turn can double electronic parking system's pulling force, parking pull wire drives lock support to move in fixed support through movable pulley, in turn drive brake pull wire to be tight, through electronic parking system's pulling force is increased, the force that transmits to parking brake also doubles along with it, brake pull wire drives brake disc to be tight, can make vehicle stop, in turn realized the advantage that parking pull force doubled, solved the hydrogen fuel truck on market now above 25% slope parking difficulty, exist the problem of coasting down. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the structure schematic diagram of the utility model;

[0018] Figure 2 It is the front view of the utility model;

[0019] Figure 3 It is the utility model Figure 2 The enlarged view of A in the utility model.

[0020] In the drawing: 1, electronic parking brake system; 2, fixed support; 3, parking pull wire; 31, first line tube; 32, first line body; 4, lock support; 5, brake pull wire; 51, second line tube; 52, second line body. DETAILED DESCRIPTION

[0021] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts fall within the scope of the present application.

[0022] Please refer to Figures 1-3 The utility model provides a kind of hydrogen fuel truck parking device, including electronic parking brake system 1 and fixed support 2, electronic parking brake system 1 and fixed support 2 are fixedly connected with vehicle body, the output of electronic parking brake system 1 is fixedly connected with parking pull cable 3, fixed support 2 inside is slidably connected with zip fastener support 4, one end of parking pull cable 3 extends to the inside of fixed support 2 and is transmissionally connected with zip fastener support 4, the end of zip fastener support 4 away from parking pull cable 3 is fixedly connected with brake pull cable 5, brake pull cable 5 is two in number, and two brake pull cables 5 are all including second line pipe 51 and second line body 52, two second line bodies 52 are respectively arranged in two second line pipes 51, the length of two second line bodies 52 is greater than the length of two second line pipes 51, two second line pipes 51 are all fixedly connected with the end of fixed support 2 away from parking pull cable 3, two second line bodies 52 are all fixedly connected with zip fastener support 4 by screwing through fixed support 2, the end of two brake pull cables 5 away from fixed support 2 is transmissionally connected with two brake discs respectively, the end of zip fastener support 4 close to parking pull cable 3 is rotationally connected with movable pulley 6, parking pull cable 3 is arranged outside movable pulley 6 and is transmissionally connected with zip fastener support 4 by movable pulley 6, and parking pull cable 3 includes first line pipe 31 and first line body 32, first line body 32 is arranged in first line pipe 31, the length of first line body 32 is greater than the length of first line pipe 31, the end of first line body 32 away from electronic parking brake system is fixedly connected with fixed support 2 by extending through, and is fixedly connected with fixed support 2 after being arranged outside movable pulley 6, the end of first line pipe 31 away from electronic parking brake system is fixedly connected with fixed support 2, the end of first line pipe 31 away from electronic parking brake system 1 is fixedly connected with fixed support 2 by screwing, and first line body 32 is fixedly connected with fixed support 2 by screwing after being arranged outside movable pulley 6.

[0023] In summary, the hydrogen fuel truck parking device, by setting the electronic parking system 1, when parking, the electronic parking system 1 works to drive the parking pull line 3 to tighten, by setting the movable pulley 6, the parking pull line 3 is arranged outside the movable pulley 6, so that the pulling force of the pull lock support 4 becomes two, in turn, the pulling force of the electronic parking system 1 can be doubled, the parking pull line 3 drives the pull lock support 4 to move in the fixed support 2 through the movable pulley 6, in turn, drives the brake pull line 5 to tighten, through the pulling force of the electronic parking system 1 is increased, the force transmitted to the parking brake 5 is also doubled, the brake pull line 5 drives the brake disc to tighten, that is, the vehicle can be stopped, in turn, the advantages of doubling the parking pull force are realized, and the problem that the hydrogen fuel truck on the market is difficult to park on a slope of more than 25% and exists the phenomenon of sliding down the slope is solved.

[0024] It should be noted that in this document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. An element proceeded by "comprises... a" does not, without more constraints, exclude the existence of additional identical elements in the process, method, article, or apparatus that comprises the element.

[0025] Although the embodiments of the present application have been shown and described, it is to be understood that for the purpose of the present application, the embodiments change, modify, replace, and vary in many ways without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A parking device for hydrogen fuel truck, comprising an electronic parking brake system (1) and a fixed support (2), both of which are fixedly connected with the vehicle body, characterized in that: The output end of the electronic parking brake system (1) is fixedly connected with a parking pull cable (3), a zipper support (4) is slidably connected in the fixed support (2), one end of the parking pull cable (3) extends to the inside of the fixed support (2) and is drivingly connected with the zipper support (4), and the end of the zipper support (4) away from the parking pull cable (3) is fixedly connected with a brake pull cable (5).

2. The parking device for a hydrogen fuel truck according to claim 1, characterized by: The end of the zipper support (4) close to the parking pull cable (3) is rotatably connected with a movable pulley (6), and the parking pull cable (3) is arranged outside the movable pulley (6) and is drivingly connected with the zipper support (4).

3. The parking device for a hydrogen fuel truck according to claim 2, characterized by: The parking pull cable (3) comprises a first wire pipe (31) and a first wire body (32), the first wire body (32) is arranged in the first wire pipe (31), and the length of the first wire body (32) is greater than that of the first wire pipe (31).

4. The parking device for a hydrogen fuel truck according to claim 3, characterized by: The end of the first wire body (32) away from the electronic parking brake system extends to the inside of the fixed support (2), is folded back after being arranged outside the movable pulley (6), and is fixedly connected with the fixed support (2), and the end of the first wire pipe (31) away from the electronic parking brake system is fixedly connected with the fixed support (2).

5. The parking device for a hydrogen fuel truck according to claim 1, characterized by: The number of the brake pull cable (5) is two, each of the two brake pull cables (5) comprises a second wire pipe (51) and a second wire body (52), the two second wire bodies (52) are respectively arranged in the two second wire pipes (51), and the length of the two second wire bodies (52) is greater than that of the two second wire pipes (51).

6. The parking device for a hydrogen fuel truck according to claim 5, characterized by: The two second wire pipes (51) are fixedly connected with the end of the fixed support (2) away from the parking pull cable (3), and the two second wire bodies (52) are fixedly connected with the zipper support (4) through the fixed support (2).

7. The parking device for a hydrogen fuel truck according to claim 5, characterized by: The ends of the two brake pull cables (5) away from the fixed support (2) are respectively drivingly connected with two brake discs.

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