CN115402273B - Hydraulic braking control device of hydrogen energy working vehicle - Google Patents
Hydraulic braking control device of hydrogen energy working vehicle Download PDFInfo
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- CN115402273B CN115402273B CN202210966334.9A CN202210966334A CN115402273B CN 115402273 B CN115402273 B CN 115402273B CN 202210966334 A CN202210966334 A CN 202210966334A CN 115402273 B CN115402273 B CN 115402273B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T1/00—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles
- B60T1/12—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting otherwise than by retarding wheels, e.g. jet action
- B60T1/14—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting otherwise than by retarding wheels, e.g. jet action directly on road
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
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Abstract
The application discloses a hydraulic braking control device of a hydrogen energy working vehicle, which comprises a carriage, a bottom plate and a connecting seat, wherein the connecting seat is fixed on one side of the bottom end of the carriage, a transverse frame is fixed on the outer wall of one side of the connecting seat, a first vertical plate is fixed on the bottom end of the carriage on one side of the transverse frame, a rotating shaft is rotatably arranged on the outer wall of one side of the transverse frame, one end of the rotating shaft penetrates through the outer part of the first vertical plate, a fixing frame is fixed at one end of the rotating shaft far away from the outer wall of the first vertical plate, a second vertical plate is fixed at the other side of the bottom end of the carriage, and a second anti-rotation locking assembly for locking the rotating shaft is arranged on the outer wall of one side of the second vertical plate. The hydraulic parking device is high in stability during hydraulic parking and braking, and can share the pressure of the tail of the hydrogen energy operation vehicle on the ground, so that the ground is uniformly stressed, enough braking parking force is provided for the hydrogen energy operation vehicle, and the braking stability of the device on the hydrogen energy operation vehicle is improved.
Description
Technical Field
The application relates to the technical field of braking of hydrogen energy working vehicles, in particular to a hydraulic braking control device of a hydrogen energy working vehicle.
Background
The hydrogen energy automobile is a mobile automobile using hydrogen as main energy source, and uses fuel cell and motor to replace traditional engine, i.e. hydrogen fuel cell, and its working principle is that hydrogen gas is injected into fuel cell, and the electrons of hydrogen atom are blocked by proton exchange membrane, and transferred from negative electrode to positive electrode by means of external circuit so as to obtain electrodynamic force.
When the hydrogen energy working vehicle is in parking braking, a hydraulic braking control device is needed, the hydraulic braking control device enables the hydrogen energy working vehicle to be more stable when in parking braking, the existing hydraulic braking control device is directly supported and braked by a hydraulic cylinder, and when the hydraulic cylinder is not braked, the hydraulic cylinder is in a contracted state, so that the braking device is supported at a single point, namely the local stress on the ground is larger, and the vehicle is not stable enough when braked.
Disclosure of Invention
The application aims to provide a hydraulic brake control device of a hydrogen energy work vehicle, which aims to solve the problem that the hydraulic brake control device is difficult to provide stable braking force in the background art.
In order to achieve the above purpose, the present application provides the following technical solutions:
the hydraulic braking control device of the hydrogen energy working vehicle comprises a carriage, a bottom plate and a connecting seat, wherein the connecting seat is fixed on one side of the bottom end of the carriage, a transverse frame is fixed on the outer wall of one side of the connecting seat, a first vertical plate is fixed on the bottom end of the carriage on one side of the transverse frame, a rotating shaft is rotatably arranged on the outer wall of one side of the transverse frame, one end of the rotating shaft penetrates through the outer part of the first vertical plate, a fixing frame is fixed at one end of the rotating shaft away from the outer wall of the first vertical plate, a second vertical plate is fixed at the other side of the bottom end of the carriage, a second anti-rotation locking assembly for locking the rotating shaft is arranged on the outer wall of one side of the second vertical plate, a hydraulic supporting structure for distributing parking braking pressure is arranged between the two groups of fixing frames, a linear gear swinging structure for driving a rotating shaft to work is arranged on the outer wall of one side of the transverse frame, a hydraulic driving unit for driving the linear gear swinging structure to work is arranged on the outer wall of the other side of the transverse frame, a pressure release anti-rotation locking component for locking the rotating shaft is arranged on the outer wall of one side of the first vertical plate, the pressure release anti-rotation locking component consists of a connecting rod supporting unit and a ratchet self-locking unit, and the second anti-rotation locking component also comprises a connecting rod supporting unit and a ratchet self-locking unit;
the hydraulic driving unit comprises a main hydraulic cylinder arranged on the outer wall of one side of the transverse frame, a U-shaped connecting block is arranged at the top end of a piston rod of the main hydraulic cylinder, the back of the U-shaped connecting block is connected with the swing structure of the linear gear through a guider, and a rectangular through groove is formed in one side of the surface of the transverse frame.
Preferably, the linear gear swinging structure comprises a driving fluted disc fixed on one side of the surface of the rotating shaft and a linear rack arranged on the outer wall of the transverse frame through a transverse supporting unit, the linear rack and the driving fluted disc are meshed with each other, and one end of the linear rack is connected with the guide device.
Preferably, the guide comprises a T-shaped frame arranged on the back of the U-shaped connecting block, a fixed block is fixed on the surface of the T-shaped frame, and the bottom end of the fixed block is fixedly connected with one end of the linear rack.
Preferably, the transverse supporting unit comprises two groups of vertical bearing seats fixed on the outer wall of the transverse frame, the two groups of vertical bearing seats are of symmetrical structures about the central point of the rotating shaft, a cross rod is fixed between the two groups of vertical bearing seats, a sliding sleeve is slidably arranged on one side of the surface of the cross rod, and the surface of the sliding sleeve is fixedly connected with the back surface of the linear rack.
Preferably, the pressure release anti-rotation locking component comprises a fixed seat fixed on the outer wall of the first vertical plate, an inclined plate is fixed on the inclined wall of the fixed seat, a sliding block is slidably arranged on the lower surface of the inclined plate, a bulge is arranged on one side of the top end of the sliding block, the top end of the bulge penetrates through the outer part of the inclined plate, and a hydraulic telescopic piece for driving the sliding block to slide is arranged in the fixed seat.
Preferably, the hydraulic expansion piece comprises a connecting plate fixed at one end inside the fixing seat, and an auxiliary hydraulic cylinder is installed on the outer wall of one side of the connecting plate, and the top end of a piston rod of the auxiliary hydraulic cylinder is fixedly connected with the protrusion at the top end of the sliding block.
Preferably, the ratchet self-locking unit comprises a ratchet main body fixed at one end of the surface of the rotating shaft, and further comprises a short shaft rotatably installed at one end inside the fixing seat, wherein a pawl main body is fixed at one end of the surface of the short shaft, and the tail end of the pawl main body is buckled with a tooth slot of the ratchet main body.
Preferably, the connecting rod supporting unit comprises a main connecting rod hinged on two outer walls of the pawl main body and an auxiliary connecting rod hinged on two outer walls of the sliding block, and the bottom end of the auxiliary connecting rod is hinged with the top end of the main connecting rod.
Preferably, the hydraulic support structure comprises a connecting frame arranged on the outer wall of the fixing frame, two groups of support arms are fixed on the outer wall of one side of the connecting frame, the two groups of support arms are symmetrical structures relative to the central line of the connecting frame, an aluminum alloy supporting plate is arranged on the outer wall of one side of the connecting frame through a hinge shaft, and the aluminum alloy supporting plate and the support arms are connected through damping supporting pieces.
Preferably, the damping support piece is composed of a hydraulic damper and a return spring, the return spring is sleeved on the hydraulic damper, the top end of the hydraulic damper is hinged with the outer wall of the supporting arm, and the bottom end of a piston rod of the hydraulic damper is installed in the aluminum alloy supporting plate through a fisheye joint.
Compared with the prior art, the application has the beneficial effects that:
through being provided with structures such as sharp gear swing structure and hydraulic support structure, control panel control hydraulic drive unit in the hydrogen energy operation car carries out work for sharp gear swing structure drives hydraulic support structure positive and negative swing, and when hydraulic support structure is close to towards ground, until aluminum alloy layer board and ground contact, the area of contact of device and ground can be increased in the setting of aluminum alloy layer board, compares in the hydraulic support structure of single point or twin-dot in the past, and the device can share the hydrogen energy operation car when braking, can keep stable braking force.
Drawings
FIG. 1 is a schematic diagram of a front view of the present application;
FIG. 2 is a schematic side view of the present application;
FIG. 3 is an enlarged schematic view of the structure of FIG. 2A according to the present application;
FIG. 4 is a schematic side view of the pressure relief anti-rotation locking assembly of the present application;
FIG. 5 is a schematic perspective view of a fixing base of the present application;
FIG. 6 is a schematic view of the rear view of the cross frame of the present application;
FIG. 7 is a schematic perspective view of a cross frame of the present application;
FIG. 8 is a schematic view of a hydraulic support structure of the present application in a main view;
in the figure: 1. a carriage; 101. a second vertical plate; 2. a bottom plate; 3. a connecting seat; 4. a cross frame; 401. rectangular through grooves; 5. a master hydraulic cylinder; 6. a U-shaped connecting block; 601. a T-shaped frame; 602. a fixed block; 7. a first vertical plate; 8. the pressure release anti-rotation locking assembly; 801. a fixing seat; 802. a short shaft; 803. a ratchet body; 804. a pawl body; 805. an inclined plate; 806. a main connecting rod; 807. a sliding block; 808. a secondary connecting rod; 809. a connecting plate; 9. an auxiliary hydraulic cylinder; 10. a rotating shaft; 11. a fixing frame; 12. a hydraulic support structure; 1201. a connecting frame; 1202. a support arm; 1203. an aluminum alloy supporting plate; 1204. a hydraulic damper; 1205. a return spring; 13. the second anti-rotation locking assembly; 14. a driving fluted disc; 15. vertical bearing seat; 16. a cross bar; 17. a sliding sleeve; 18. a linear rack.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
Example 1
As shown in fig. 1 to 8, the hydraulic brake control device for a hydrogen energy working vehicle of the application comprises a carriage 1, a bottom plate 2 and a connecting seat 3, wherein the connecting seat 3 is fixed on one side of the bottom end of the carriage 1, a transverse frame 4 is fixed on the outer wall of one side of the connecting seat 3, a first vertical plate 7 is fixed on the bottom end of the carriage 1 on one side of the transverse frame 4, a rotating shaft 10 is rotatably arranged on the outer wall of one side of the transverse frame 4, one end of the rotating shaft 10 penetrates through the first vertical plate 7, a fixing frame 11 is fixed on one end of the rotating shaft 10 far away from the outer wall of the first vertical plate 7, a second vertical plate 101 is fixed on the other side of the bottom end of the carriage 1, and a second anti-rotation locking assembly 13 for locking the rotating shaft 10 is arranged on the outer wall of one side of the second vertical plate 101;
the hydraulic support structure 12 for distributing the parking braking pressure is arranged between the two groups of fixing frames 11, the outer wall of one side of the transverse frame 4 drives the rotating shaft 10 to work, the linear gear swing structure comprises a driving fluted disc 14 fixed on one side of the surface of the rotating shaft 10 and a linear rack 18 arranged on the outer wall of the transverse frame 4 through a transverse support unit, the linear rack 18 and the driving fluted disc 14 are meshed with each other, and one end of the linear rack 18 is connected with a guide device.
The guide comprises a T-shaped frame 601 arranged on the back surface of the U-shaped connecting block 6, a fixed block 602 is fixed on the surface of the T-shaped frame 601, the bottom end of the fixed block 602 is fixedly connected with one end of the linear rack 18, and a control panel in the hydrogen energy working vehicle controls a hydraulic driving unit to work, namely a piston rod of the main hydraulic cylinder 5 pulls the U-shaped connecting block 6, the T-shaped frame 601 and the fixed block 602 to move horizontally;
when the U-shaped connecting block 6 moves horizontally and rightwards, the hydraulic support structure 12 swings anticlockwise under the drive of the linear gear swing structure, namely the hydraulic support structure 12 is close to the ground to provide enough support force for the operation work of the hydrogen energy operation vehicle;
when the U-shaped connecting block 6 moves horizontally and leftwards, the hydraulic support structure 12 swings clockwise under the drive of the linear gear swinging structure, namely the hydraulic support structure 12 is far away from the ground and is folded;
the outer wall of the other side of the transverse frame 4 is provided with a hydraulic driving unit for driving the linear gear swing structure to work, the hydraulic driving unit comprises a main hydraulic cylinder 5 arranged on the outer wall of one side of the transverse frame 4, a U-shaped connecting block 6 is arranged at the top end of a piston rod of the main hydraulic cylinder 5, the back surface of the U-shaped connecting block 6 is connected with the linear gear swing structure through a guide, and one side of the surface of the transverse frame 4 is provided with a rectangular through groove 401;
when the scheme is implemented, as the linear rack 18 and the driving fluted disc 14 are meshed with each other, the linear rack 18 drives the driving fluted disc 14, the rotating shaft 10 and the fixing frame 11 to rotate, the pressure release anti-rotation locking assembly 8 is in an unlocking state in the process, the hydraulic supporting structure 12 is close to the ground until the aluminum alloy supporting plate 1203 is contacted with the ground, the aluminum alloy supporting plate 1203 and the hydraulic damper 1204 support the tail of the hydrogen energy operation vehicle, and the supporting force is controlled by the main hydraulic cylinder 5;
the shrinkage of the master hydraulic cylinder 5 is in direct proportion to the pressure of the aluminum alloy support plate 1203 on the ground until the tail of the hydrogen energy operation vehicle is stable and does not shake, the device can share the pressure of the tail of the hydrogen energy operation vehicle on soil, so that the soil is uniformly stressed, and even under the condition of softer soil, enough braking parking force can be provided for the hydrogen energy operation vehicle, and further the braking stability of the device on the hydrogen energy operation vehicle is improved.
Example two
On the basis of the first embodiment, the hydraulic brake control device of the hydrogen energy working vehicle in the first embodiment is further improved, as shown in fig. 6 and 7.
In this embodiment, the transverse supporting unit includes two sets of vertical bearing seats 15 fixed on the outer wall of the transverse frame 4, the two sets of vertical bearing seats 15 are in symmetrical structures about the center point of the rotating shaft 10, a cross rod 16 is fixed between the two sets of vertical bearing seats 15, a sliding sleeve 17 is slidably mounted on one side of the surface of the cross rod 16, the surface of the sliding sleeve 17 is fixedly connected with the back surface of the linear rack 18, and the linear rack 18 can improve the transfer stability of the linear rack 18 through the transverse supporting unit on the surface of the transverse frame 4;
the linear rack 18 drives the sliding sleeve 17 to slide on the cross bar 16, so that the linear rack 18 is more stable and reliable in horizontal movement.
Example III
On the basis of the first embodiment, the hydraulic braking control device of the hydrogen energy working vehicle in the first embodiment and the second embodiment is further improved, and the pressure release anti-rotation locking assembly 8 for locking the rotating shaft 10 is arranged on the outer wall of one side of the first vertical plate 7.
Specifically, as shown in fig. 2, 3, 4 and 5, the pressure release anti-rotation locking component 8 is composed of a connecting rod supporting unit and a ratchet self-locking unit, the second anti-rotation locking component 13 also comprises a connecting rod supporting unit and a ratchet self-locking unit, the pressure release anti-rotation locking component 8 comprises a fixed seat 801 fixed on the outer wall of the first vertical plate 7, an inclined plate 805 is fixed on the inclined wall of the fixed seat 801, a sliding block 807 is slidably mounted on the lower surface of the inclined plate 805, a protrusion is mounted on one side of the top end of the sliding block 807, the top end of the protrusion penetrates through the outer portion of the inclined plate 805, and a hydraulic telescopic piece for driving the sliding block 807 to slide is arranged in the fixed seat 801.
The hydraulic telescopic piece comprises a connecting plate 809 fixed at one end inside the fixing seat 801, an auxiliary hydraulic cylinder 9 is mounted on the outer wall of one side of the connecting plate 809, the top end of a piston rod of the auxiliary hydraulic cylinder 9 is fixedly connected with a protrusion at the top end of the sliding block 807, after the hydraulic support structure 12 is braked, a primary hydraulic pressure is provided by the main hydraulic cylinder 5, and a worker controls the auxiliary hydraulic cylinder 9 in the pressure relief anti-rotation locking assembly 8 and the auxiliary hydraulic cylinder 9 in the second anti-rotation locking assembly 13 to synchronously work on a vehicle control panel.
The ratchet self-locking unit comprises a ratchet main body 803 fixed at one end of the surface of the rotating shaft 10, and further comprises a short shaft 802 rotatably installed at one end inside the fixed seat 801, wherein a pawl main body 804 is fixed at one end of the surface of the short shaft 802, the short shaft 802 is the rotation center of the pawl main body 804, and the tail end of the pawl main body 804 is buckled with a tooth slot of the ratchet main body 803;
the link supporting unit comprises a main link 806 hinged on two outer walls of the pawl main body 804 and an auxiliary link 808 hinged on two outer walls of the sliding block 807, wherein the bottom end of the auxiliary link 808 is hinged with the top end of the main link 806, the auxiliary hydraulic cylinder 9 pulls the sliding block 807 to move downwards, namely the sliding block 807 and the inclined plate 805 slide relatively, and the auxiliary link 808 and the main link 806 push the pawl main body 804 to swing anticlockwise due to the fact that the sliding block 807 is connected with the ratchet self-locking unit through the link supporting unit;
the tail end of the pawl main body 804 is buckled on the ratchet main body 803, so that the ratchet main body 803 and the rotating shaft 10 can not rotate, and the pressure release anti-rotation locking assembly 8 and the second anti-rotation locking assembly 13 provide a second hydraulic pressure for the hydraulic support structure 12, namely the hydraulic support structure 12 is always maintained at the same support position;
after the operation of the hydrogen energy operation vehicle is finished, the pressure release anti-rotation locking component 8 and the second anti-rotation locking component 13 are unlocked, and the main hydraulic cylinder 5 drives the linear gear swing structure to work reversely, so that the hydraulic support structure 12 is folded, and the hydraulic support structure contacts with the hydraulic braking state of the device, so that the hydrogen energy operation vehicle can normally run.
Example IV
On the basis of the first embodiment, the hydraulic brake control device of the hydrogen energy working vehicle in the first embodiment, the second embodiment and the third embodiment is further improved.
As shown in fig. 1, 2 and 8, the hydraulic support structure 12 includes a connection frame 1201 mounted on an outer wall of the fixing frame 11, two groups of support arms 1202 are fixed on an outer wall of one side of the connection frame 1201, the two groups of support arms 1202 are symmetrical about a central line of the connection frame 1201, an aluminum alloy support plate 1203 is mounted on an outer wall of one side of the connection frame 1201 through a hinge shaft, and a contact area between the device and the ground can be increased due to the arrangement of the aluminum alloy support plate 1203.
The aluminum alloy support plate 1203 and the support arm 1202 are connected with each other through a damping support piece, the damping support piece is composed of a hydraulic damper 1204 and a return spring 1205, the return spring 1205 is sleeved on the hydraulic damper 1204, the top end of the hydraulic damper 1204 is hinged with the outer wall of the support arm 1202, and the support arm 1202 is the swing center of the hydraulic damper 1204;
the bottom end of a piston rod of the hydraulic damper 1204 is arranged in the aluminum alloy supporting plate 1203 through a fish eye joint, when the aluminum alloy supporting plate 1203 is contacted with the ground, the aluminum alloy supporting plate 1203 is pulled by the main hydraulic cylinder 5, and the hydraulic damper 1204 and the return spring 1205 are in a compressed state at the moment due to the reverse pressure of the ground;
the hydraulic damper 1204 and the return spring 1205 are utilized to improve the stability of the hydrogen energy operation vehicle during parking braking, and a certain shock absorption function can be achieved, so that the hydrogen energy operation vehicle is more stable and safer during lifting heavy objects or excavating operation.
When the embodiment of the application is used, the hydraulic driving unit is controlled by the control panel in the hydrogen energy working vehicle to work, namely the piston rod of the main hydraulic cylinder 5 pulls the U-shaped connecting block 6, the T-shaped frame 601 and the fixed block 602 to move horizontally, when the U-shaped connecting block 6 moves horizontally and rightwards, the hydraulic supporting structure 12 swings anticlockwise under the drive of the linear gear swinging structure, namely the hydraulic supporting structure 12 is close to the ground and is used for providing enough supporting force for the working of the hydrogen energy working vehicle, and when the U-shaped connecting block 6 moves horizontally and leftwards, the hydraulic supporting structure 12 swings clockwise under the drive of the linear gear swinging structure, namely the hydraulic supporting structure 12 is far away from the ground and is folded; taking the state that the hydraulic support structure 12 supports the ground as an example, at this time, the fixing block 602 drives the linear rack 18 to horizontally move, and because the linear rack 18 and the driving fluted disc 14 are mutually meshed, the linear rack 18 drives the driving fluted disc 14, the rotating shaft 10 and the fixing frame 11 to rotate, in the process, the pressure release anti-rotation locking component 8 is in an unlocking state, and then the hydraulic support structure 12 approaches to the ground until the aluminum alloy supporting plate 1203 contacts with the ground, and then the aluminum alloy supporting plate 1203 and the hydraulic damper 1204 support the tail of the hydrogen energy operation vehicle, the supporting force is controlled by the main hydraulic cylinder 5, the shrinkage of the main hydraulic cylinder 5 and the pressure of the aluminum alloy supporting plate 1203 on the ground are in direct proportion, until the tail of the hydrogen energy operation vehicle is stable and does not shake, and the device can share the pressure of the tail of the hydrogen energy operation vehicle on the soil, so that the soil is uniformly stressed, and even under a softer ground condition, enough braking force can be provided for the hydrogen energy operation vehicle, and the braking stability of the hydrogen energy operation vehicle is improved.
The technical scheme of the application is that the ratchet self-locking unit and the second anti-rotation locking component are mutually matched, so that a worker can control the auxiliary hydraulic cylinder in the pressure relief anti-rotation locking component and the auxiliary hydraulic cylinder in the second anti-rotation locking component to synchronously work in a vehicle control panel, namely the pressure relief anti-rotation locking component and the second anti-rotation locking component provide a second hydraulic pressure for the hydraulic support structure, so that the hydraulic support structure is always maintained at the same support position, after the operation of the hydrogen energy working vehicle is finished, the pressure relief anti-rotation locking component and the second anti-rotation locking component are unlocked, and the main hydraulic cylinder drives the linear gear swing structure to reversely work, so that the hydraulic support structure is folded, and the hydraulic brake state of the contact device is realized, so that the hydrogen energy working vehicle can normally run;
and through being provided with structures such as hydraulic damper and reset spring that mutually support, along with the pulling of master cylinder, because aluminum alloy layer board receives the reverse pressure on ground, hydraulic damper, reset spring are compression state this moment, and the support arm is hydraulic damper's swing centre of a circle, utilizes hydraulic damper, reset spring to improve the stability of hydrogen energy operation car when parking braking to can play certain shock-absorbing function.
It is noted that relational terms such as first and second, and the like are 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 may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the application, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a hydrogen energy operation car hydraulic braking controlling means which characterized in that: the novel lifting device comprises a carriage (1), a bottom plate (2) and a connecting seat (3), wherein the connecting seat (3) is fixed on one side of the bottom end of the carriage (1), a transverse frame (4) is fixed on the outer wall of one side of the connecting seat (3), a first vertical plate (7) is fixed on the bottom end of the carriage (1) on one side of the transverse frame (4), a rotating shaft (10) is rotatably installed on the outer wall of one side of the transverse frame (4), one end of the rotating shaft (10) penetrates through the outer part of the first vertical plate (7), and a fixing frame (11) is fixed at one end, far away from the outer wall of the first vertical plate (7), of the rotating shaft (10);
a second vertical plate (101) is fixed on the other side of the bottom end of the carriage (1), a second anti-rotation locking assembly (13) for locking a rotating shaft (10) is arranged on the outer wall of one side of the second vertical plate (101), a hydraulic supporting structure (12) for sharing parking braking pressure is arranged between two groups of fixing frames (11), a linear gear swinging structure for driving the rotating shaft (10) to work is arranged on the outer wall of one side of a transverse frame (4), and a hydraulic driving unit for driving the linear gear swinging structure to work is arranged on the outer wall of the other side of the transverse frame (4);
the pressure release and rotation prevention locking assembly (8) of the locking rotating shaft (10) is arranged on the outer wall of one side of the first vertical plate (7), the pressure release and rotation prevention locking assembly (8) consists of a connecting rod supporting unit and a ratchet self-locking unit, and the second rotation prevention locking assembly (13) also comprises the connecting rod supporting unit and the ratchet self-locking unit;
the hydraulic driving unit comprises a main hydraulic cylinder (5) arranged on the outer wall of one side of the transverse frame (4), a U-shaped connecting block (6) is arranged at the top end of a piston rod of the main hydraulic cylinder (5), the back of the U-shaped connecting block (6) is connected with the swing structure of the linear gear through a guide, and a rectangular through groove (401) is formed in one side of the surface of the transverse frame (4).
2. The hydraulic brake control device for a hydrogen energy working vehicle according to claim 1, wherein: the linear gear swinging structure comprises a driving fluted disc (14) fixed on one side of the surface of the rotating shaft (10) and a linear rack (18) arranged on the outer wall of the transverse frame (4) through a transverse supporting unit, the linear rack (18) is meshed with the driving fluted disc (14), and one end of the linear rack (18) is connected with the guide device.
3. The hydraulic brake control device for a hydrogen energy working vehicle according to claim 2, wherein: the guide comprises a T-shaped frame (601) arranged on the back surface of the U-shaped connecting block (6), a fixed block (602) is fixed on the surface of the T-shaped frame (601), and the bottom end of the fixed block (602) is fixedly connected with one end of the linear rack (18).
4. The hydraulic brake control device for a hydrogen energy working vehicle according to claim 2, wherein: the transverse supporting unit comprises two groups of vertical bearing seats (15) fixed on the outer wall of the transverse frame (4), the two groups of vertical bearing seats (15) are of symmetrical structures about the central point of the rotating shaft (10), a cross rod (16) is fixed between the two groups of vertical bearing seats (15), a sliding sleeve (17) is slidably arranged on one side of the surface of the cross rod (16), and the surface of the sliding sleeve (17) is fixedly connected with the back of the linear rack (18).
5. The hydraulic brake control device for a hydrogen energy working vehicle according to claim 1, wherein: the pressure release anti-rotation locking assembly (8) comprises a fixed seat (801) fixed on the outer wall of a first vertical plate (7), an inclined plate (805) is fixed on the inclined wall of the fixed seat (801), a sliding block (807) is slidably mounted on the lower surface of the inclined plate (805), a bulge is mounted on one side of the top end of the sliding block (807), the top end of the bulge penetrates through the outer portion of the inclined plate (805), and a hydraulic expansion piece for driving the sliding block (807) to slide is arranged in the fixed seat (801).
6. The hydraulic brake control device for a hydrogen energy working vehicle according to claim 5, wherein: the hydraulic telescopic piece comprises a connecting plate (809) fixed at one end inside the fixing seat (801), an auxiliary hydraulic cylinder (9) is mounted on the outer wall of one side of the connecting plate (809), and the top end of a piston rod of the auxiliary hydraulic cylinder (9) is fixedly connected with the protrusion of the top end of the sliding block (807).
7. The hydraulic brake control device for a hydrogen energy working vehicle according to claim 6, wherein: the ratchet self-locking unit comprises a ratchet main body (803) fixed at one end of the surface of the rotating shaft (10), and further comprises a short shaft (802) rotatably installed at one end inside the fixed seat (801), one end of the surface of the short shaft (802) is fixedly provided with a pawl main body (804), and the tail end of the pawl main body (804) is buckled with a tooth groove of the ratchet main body (803).
8. The hydraulic brake control device for a hydrogen energy working vehicle according to claim 7, wherein: the connecting rod supporting unit comprises a main connecting rod (806) hinged on two outer walls of the pawl main body (804) and a secondary connecting rod (808) hinged on two outer walls of the sliding block (807), wherein the bottom end of the secondary connecting rod (808) is hinged with the top end of the main connecting rod (806).
9. The hydraulic brake control device for a hydrogen energy working vehicle according to claim 1, wherein: the hydraulic support structure (12) comprises a connecting frame (1201) arranged on the outer wall of a fixing frame (11), two groups of support arms (1202) are fixed on the outer wall of one side of the connecting frame (1201), the two groups of support arms (1202) are symmetrical structures about the central line of the connecting frame (1201), an aluminum alloy supporting plate (1203) is arranged on the outer wall of one side of the connecting frame (1201) through a hinge shaft, and the aluminum alloy supporting plate (1203) is connected with the support arms (1202) through damping supporting pieces.
10. The hydraulic brake control device for a hydrogen energy working vehicle according to claim 9, wherein: the damping support piece is composed of a hydraulic damper (1204) and a return spring (1205), the return spring (1205) is sleeved on the hydraulic damper (1204), the top end of the hydraulic damper (1204) is hinged to the outer wall of the supporting arm (1202), and the bottom end of a piston rod of the hydraulic damper (1204) is installed in the aluminum alloy supporting plate (1203) through a joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210966334.9A CN115402273B (en) | 2022-08-12 | 2022-08-12 | Hydraulic braking control device of hydrogen energy working vehicle |
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| CN202210966334.9A CN115402273B (en) | 2022-08-12 | 2022-08-12 | Hydraulic braking control device of hydrogen energy working vehicle |
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| CN115402273A CN115402273A (en) | 2022-11-29 |
| CN115402273B true CN115402273B (en) | 2023-10-20 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003237552A (en) * | 2002-02-21 | 2003-08-27 | Masuda Seisakusho:Kk | Foot parking brake device |
| KR20050098586A (en) * | 2004-04-07 | 2005-10-12 | 박행봉 | Assistant brake of automobile |
| CN105818790A (en) * | 2016-04-24 | 2016-08-03 | 仪陇铭崧科创中心 | Ground friction hydraulic braking system |
| CN114412989A (en) * | 2022-01-11 | 2022-04-29 | 广东交通职业技术学院 | Hydraulically driven parking mechanism, parking device and vehicle |
| CN114802131A (en) * | 2022-04-25 | 2022-07-29 | 苏海宽 | Auxiliary braking device for automobile |
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2022
- 2022-08-12 CN CN202210966334.9A patent/CN115402273B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003237552A (en) * | 2002-02-21 | 2003-08-27 | Masuda Seisakusho:Kk | Foot parking brake device |
| KR20050098586A (en) * | 2004-04-07 | 2005-10-12 | 박행봉 | Assistant brake of automobile |
| CN105818790A (en) * | 2016-04-24 | 2016-08-03 | 仪陇铭崧科创中心 | Ground friction hydraulic braking system |
| CN114412989A (en) * | 2022-01-11 | 2022-04-29 | 广东交通职业技术学院 | Hydraulically driven parking mechanism, parking device and vehicle |
| CN114802131A (en) * | 2022-04-25 | 2022-07-29 | 苏海宽 | Auxiliary braking device for automobile |
Non-Patent Citations (1)
| Title |
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| 自动驻车机构功能分析与研究;许国界;葛敬广;;汽车工艺师(第09期);59-60 * |
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| CN115402273A (en) | 2022-11-29 |
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