CN210502842U - Steering brake system and rake pushing machine - Google Patents

Steering brake system and rake pushing machine Download PDF

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Publication number
CN210502842U
CN210502842U CN201921534567.1U CN201921534567U CN210502842U CN 210502842 U CN210502842 U CN 210502842U CN 201921534567 U CN201921534567 U CN 201921534567U CN 210502842 U CN210502842 U CN 210502842U
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China
Prior art keywords
steering
brake
pedal
pivoted
rod
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CN201921534567.1U
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Chinese (zh)
Inventor
管建华
褚涛
姚友良
侯文军
于浩
闫鹏早
张建波
刘倩倩
张光耀
张忠伟
郑中建
林腾
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Shantui Chutian Construction Machinery Co Ltd
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Shantui Chutian Construction Machinery Co Ltd
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Priority to CN201921534567.1U priority Critical patent/CN210502842U/en
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Abstract

The utility model relates to the technical field of engineering vehicles, in particular to a steering brake system and a rake pushing machine, wherein the steering brake system comprises a left steering mechanism and a right steering mechanism, the left steering mechanism comprises a left steering pedal, a left connecting rod assembly in transmission connection with the left steering pedal, a left steering brake rod in transmission connection with the left connecting rod assembly, and a left steering valve in transmission connection with the left steering brake rod, and the left steering valve is used for separating a left steering clutch and braking a left brake hub; the right steering mechanism comprises a right steering pedal, a right connecting rod assembly in transmission connection with the right steering pedal, a right steering brake rod in transmission connection with the right connecting rod assembly, and a right steering valve in transmission connection with the right steering brake rod, wherein the right steering valve is used for separating a right steering clutch and braking a right brake hub, and when steering is needed, only a foot is needed to step on the steering pedal without manual operation, so that the operation load of a driver can be effectively reduced. The harrow pushing machine comprises the steering brake system.

Description

Steering brake system and rake pushing machine
Technical Field
The utility model relates to an engineering vehicle technical field especially relates to a steering brake system and push away harrow machine.
Background
The steering brake control system of the existing engineering machinery is usually operated by a control handle, taking a rake pushing machine as an example, the steering brake system of the existing engineering machinery is shown in fig. 1 and comprises a steering control handle 1-1, a brake control pedal 1-2, a hand brake control handle 1-3, a steering control rod 1-4 and a hand brake control rocker arm 1-5. The steering control handle 1-1 can control the steering control rod 1-4 to move back and forth through the flexible shaft, so that the steering control rod 1-4 enables the single-side steering clutch to be separated and the brake hub to be locked through the steering valve oil way to realize the left rotation or the right rotation of the machine; simultaneously, the brake control pedal 1-2 is stepped, the brake control pedal 1-2 drives the hand brake control rocker arm 1-5 to rotate through the connecting rod assembly, and brake belts on two sides lock brake hubs to realize braking of the machine; and (3) in a parking state, the brake control pedal 1-2 is stepped down, and meanwhile, the hand brake control rocker arm 1-3 is lowered, so that the brake hub is kept in a locking state in the parking state, and the parking brake function of the machine is realized. However, the steering control handle 1-1 has a steering force of about 70N, which is very labor intensive for a rake machine with frequent steering operations, and is likely to cause fatigue of the driver.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: the utility model provides a steering brake system and harrow machine to solve the steering brake system among the prior art and control the problem that turns to through the handle and easily lead to driver fatigue.
On the one hand, the utility model provides a steering brake system, this steering brake system includes:
the left steering mechanism comprises a left steering pedal, a left connecting rod assembly in transmission connection with the left steering pedal, a left steering brake rod in transmission connection with the left connecting rod assembly, and a left steering valve in transmission connection with the left steering brake rod, wherein the left steering valve is used for separating a left steering clutch and braking a left brake hub;
the right steering mechanism comprises a right steering pedal, a right connecting rod assembly in transmission connection with the right steering pedal, a right steering brake rod in transmission connection with the right connecting rod assembly, and a right steering valve in transmission connection with the right steering brake rod, wherein the right steering valve is used for separating a right steering clutch, and the right steering valve is used for braking a right brake hub.
As a preferable technical solution of the steering brake system, the steering brake system further includes a brake mechanism configured to be in transmission connection with the left link assembly and the right link assembly, respectively.
As a preferred technical scheme of the steering braking system, the left steering pedal is pivoted with the vehicle body, and the left connecting rod assembly comprises a left steering rocker arm, a left steering connecting piece and a left transmission rod;
the left steering pedal is pivoted with the left steering rocker arm, a left sliding groove is formed in the left steering rocker arm, the left steering connecting piece is pivoted with the vehicle body, the first end of the left steering connecting piece is slidably located in the left sliding groove, the second end of the left steering connecting piece is pivoted with the left transmission rod, and the left transmission rod is pivoted with the left steering brake rod.
As a preferred technical scheme of the steering brake system, the right steering pedal is pivoted with the vehicle body, and the right connecting rod assembly comprises a right steering rocker arm, a right steering connecting piece and a right transmission rod;
the right steering pedal is pivoted with the right steering rocker arm, a right chute is arranged on the right steering rocker arm, the right steering connecting piece is pivoted with the vehicle body, the first end of the right steering connecting piece is slidably located in the right chute, the second end of the right steering connecting piece is pivoted with the right transmission rod, and the right transmission rod is pivoted with the right steering brake rod.
As a preferred technical scheme of the steering brake system, the brake mechanism comprises a brake pedal, a brake rocker arm, a linkage pull plate and a brake connecting piece, the brake pedal is pivoted with the vehicle body, one end of the brake rocker arm is pivoted with the brake pedal, the other end of the brake rocker arm is pivoted with the brake connecting piece, and the linkage pull plate is arranged on the brake connecting piece;
linkage arm-tie has first rotation interval, the left side turns to the connecting piece and has the second and rotates the interval, the right side turns to the connecting piece and has the third and rotates the interval, the second rotate the interval with the third rotate the interval all with first rotation interval overlaps.
As a preferred technical solution of the steering brake system, the brake connecting member includes a rotating shaft pivoted to the vehicle body, and a first connecting portion disposed on an outer peripheral surface of the rotating shaft, the first connecting portion is pivoted to the brake rocker, the linkage pulling plate is disposed on the first connecting portion, and the left steering connecting member and the right steering connecting member are both pivoted to the rotating shaft.
As a preferable technical solution of the steering brake system, the left steering link and the right steering link are respectively located at both sides of the first connecting portion.
As a preferable technical solution of the steering brake system, the brake mechanism further includes a first brake transmission rod pivoted to the brake link, and a left brake lever and a right brake lever both connected to the first brake transmission rod in a transmission manner, the left brake lever is used for braking the left brake hub, and the right brake lever is used for braking the right brake hub.
As a preferable technical solution of the steering brake system, the steering brake system further includes a hand brake assembly, and the hand brake assembly is used for locking or unlocking a relative position of the brake pedal and the vehicle body.
On the other hand, the utility model provides a pushing and raking machine, including the steering brake system in any one above-mentioned scheme.
The utility model has the advantages that:
the utility model provides a steering brake system and a rake pushing machine, wherein the rake pushing machine comprises a steering brake system, the steering brake system comprises a left steering mechanism and a right steering mechanism, the left steering mechanism comprises a left steering pedal, a left connecting rod assembly in transmission connection with the left steering pedal, a left steering brake rod in transmission connection with the left connecting rod assembly, and a left steering valve in transmission connection with the left steering brake rod, the left steering valve is used for separating a left steering clutch, and the left steering valve is used for braking a left brake hub; and the right steering mechanism comprises a right steering pedal, a right connecting rod assembly in transmission connection with the right steering pedal, a right steering brake rod in transmission connection with the right connecting rod assembly, and a right steering valve in transmission connection with the right steering brake rod, wherein the right steering valve is used for separating the right steering clutch, and the right steering valve is used for braking the right brake hub. Compared with the prior art, when the left steering or the right steering is carried out, only the left steering pedal or the right steering pedal is needed to be treaded by feet, the operation by hands is not needed, and the operation load of a driver can be effectively reduced.
Drawings
FIG. 1 is a schematic view showing a structure of a steering brake system in the related art;
fig. 2 is a first schematic structural diagram of a steering brake system according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a steering braking system according to an embodiment of the present invention.
In the figure:
1-1, a steering control handle; 1-2, a brake control pedal; 1-3, a hand brake control handle; 1-4, a steering control rod; 1-5, a hand braking control rocker arm;
10. a vehicle body;
11. a left steering pedal; 12. a left steering rocker arm; 121. a left chute; 13. a left steering linkage; 14. a left drive link; 15. a left steering brake lever;
21. a right steering pedal; 22. a right steering rocker arm; 221. a right chute; 23. a right steering linkage; 24. a right drive link; 25. a right steering brake lever;
31. a brake pedal; 32. a brake rocker arm; 33. linkage pulling plate; 34. a brake attachment; 341. a rotating shaft; 342. a first connection portion; 343. a second connecting portion; 35. a first brake transmission rod; 36. a locking member; 361. a ratchet wheel; 362. a first connecting arm; 363. a second connecting arm; 37. a second brake transmission rod; 38. a brake collection yoke plate; 391. a left brake lever; 392. a right brake lever;
41. a control handle; 42. a hand-controlled linkage assembly; 43. a ratchet.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Where the terms "first position" and "second position" are two different positions, and where a first feature is "over", "above" and "on" a second feature, it is intended that the first feature is directly over and obliquely above the second feature, or simply means that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
The present embodiment provides a rake including a steering brake system, as shown in fig. 2 and 3, the steering brake system includes a left steering mechanism and a right steering mechanism, the left steering mechanism includes a left steering pedal 11, a left connecting rod assembly in transmission connection with the left steering pedal 11, a left steering brake lever 15 in transmission connection with the left connecting rod assembly, and a left steering valve (not shown in the drawings) in transmission connection with the left steering brake lever 15. The left steering valve is used for disengaging a left steering clutch (not shown in the drawings), and the left steering valve is used for braking a left brake hub (not shown in the drawings); and the right steering mechanism comprises a right steering pedal 21, a right connecting rod assembly in transmission connection with the right steering pedal 21, a right steering brake rod 25 in transmission connection with the right connecting rod assembly, and a right steering valve (not shown in the drawing) in transmission connection with the right steering brake rod 25, wherein the right steering valve is used for separating a right steering clutch (not shown in the drawing), and the right steering valve is used for braking a right brake hub (not shown in the drawing). This steering brake system drives left steering clutch separation and with the braking of left braking hub through left steering mechanism, realize the left side of vehicle and turn to, turn to the clutch separation and with the braking of right braking hub through right steering mechanism drive right, realize the right side of vehicle and turn to, compare prior art, when control rake pushing machine turns to left or turns to right, only need through the foot step on left turn pedal 11 or right turn pedal 21 can, need not through hand operation, thereby can effectively reduce driver's manipulation load, agree with the ergonomic. It should be noted that the steering brake system provided by the embodiment can also be applied to other engineering vehicles such as bulldozers and the like.
The steering valve can control the separation and combination of the steering clutch by depending on oil pressure, taking a left steering valve as an example, the specific working principle is as follows: when a left steering pedal 11 is trampled, oil enters a left steering clutch through a left steering valve, the pressure in the left steering clutch rises, so that the left steering clutch is separated, when the pressure in the left steering clutch rises to a preset value, the oil enters a left brake through the left steering valve, and the left brake controls a left brake belt to lock a left brake hub, so that the brake of a unilateral crawler belt is realized.
Optionally, the steering brake system further comprises a brake mechanism configured to be in driving connection with the left and right linkage assemblies, respectively. Thus, when the brake pedal 31 is stepped on, the disengagement of the left steering clutch, the right steering clutch, and the braking of the left brake hub and the right brake hub can be simultaneously achieved.
In this embodiment, the left steering pedal 11 is pivotally connected to the vehicle body 10, and the left link assembly includes a left steering rocker arm 12, a left steering link 13, and a left transmission rod 14; the left steering pedal 11 is pivoted with the left steering rocker arm 12, a left sliding groove 121 is arranged on the left steering rocker arm 12, the left steering connecting piece 13 is pivoted with the vehicle body 10, a first end of the left steering connecting piece 13 is slidably located in the left sliding groove 121, a second end of the left steering connecting piece 13 is pivoted with the left transmission rod 14, the left transmission rod 14 is pivoted with the left steering brake rod 15, and the left steering brake rod 15 is connected with the left steering valve. Specifically, a first end of the left steering pedal 11 is used for stepping, a second end of the left steering pedal 11 is pivoted with the left steering rocker 12, a middle position of the left steering pedal 11 is pivoted with the vehicle body 10, and the left steering connecting piece 13 is also pivoted with the vehicle body 10 at the middle position. When the left steering pedal 11 is trodden, the left steering pedal 11 drives the left steering rocker arm 12 to rotate, the left steering rocker arm 12 drives the left steering connecting piece 13 to rotate, meanwhile, the left steering connecting piece 13 and the left steering rocker arm 12 slide relatively, the left steering connecting piece 13 further drives the left transmission rod 14 to move, the left transmission rod 14 drives the left steering brake rod 15 to move, and finally the left steering valve is driven to act through the left steering brake rod 15.
The right steering pedal 21 is pivoted with the vehicle body 10, and the right connecting rod assembly comprises a right steering rocker arm 22, a right steering connecting piece 23 and a right transmission rod 24; the right steering pedal 21 is pivoted with the right steering rocker 22, the right steering rocker 22 is provided with a right chute 221, the right steering connecting piece 23 is pivoted with the vehicle body 10, the first end of the right steering connecting piece 23 is slidably positioned in the right chute 221, the second end of the right steering connecting piece 23 is pivoted with a right transmission rod 24, the right transmission rod 24 is pivoted with a right steering brake rod 25, and the right steering brake rod 25 is connected with a right steering valve. Specifically, a first end of the right steering pedal 21 is used for stepping, a second end of the right steering pedal 21 is pivotally connected to the right steering rocker 22, a middle position of the right steering pedal 21 is pivotally connected to the vehicle body 10, and the right steering link 23 is also pivotally connected to the vehicle body 10 at the middle position. When the right steering pedal 21 is stepped on, the right steering pedal 21 drives the right steering rocker 22 to rotate, the right steering rocker 22 drives the right steering connecting piece 23 to rotate, meanwhile, the right steering connecting piece 23 and the right steering rocker 22 slide relatively, the right steering connecting piece 23 further drives the right transmission rod 24 to move, the right transmission rod 24 drives the right steering brake rod 25 to move, and finally, the right steering valve is driven to act through the right steering brake rod 25.
Optionally, the brake mechanism includes a brake pedal 31, a brake rocker 32, a linkage pull plate 33 and a brake connecting piece 34, the brake pedal 31 is pivoted with the vehicle body 10, one end of the brake rocker 32 is pivoted with the brake pedal 31, the other end of the brake rocker 32 is pivoted with the brake connecting piece 34, and the linkage pull plate 33 is arranged on the brake connecting piece 34; the linkage pulling plate 33 has a first rotation section, the left steering link 13 has a second rotation section, the right steering link 23 has a third rotation section, and both the second rotation section and the third rotation section overlap with the first rotation section. In this embodiment, when the left steering pedal 11, the right steering pedal 21 and the brake pedal 31 are not stepped on, the linkage pull plate 33 is located below the first end of the left steering connecting piece 13 and the first end of the right steering connecting piece 23, and when the steering pedal is stepped on to steer, the steering pedal drives the first end of the corresponding steering connecting piece to rotate upwards, so that the steering connecting piece does not contact with the linkage pull plate 33 in the steering process; when the brake pedal 31 is stepped to brake, the brake pedal 31 drives the linkage pulling plate 33 to rotate upwards through the brake rocker 32 and the brake connecting piece 34, the linkage pulling plate 33 can be abutted against the left steering connecting piece 13 and the right steering connecting piece 23 simultaneously in the rotating process, and then the left steering connecting piece 13 and the right steering connecting piece 23 are driven to rotate together, so that linkage is realized. It should be noted that, because the left steering rocker arm 12 and the right steering rocker arm 22 are both provided with the sliding grooves, when the brake pedal 31 is stepped on to brake, although the left steering connecting piece 13 and the right steering connecting piece 23 are linked with the brake pedal 31, the left steering connecting piece 13 and the right steering connecting piece 23 are respectively in sliding fit with the left steering rocker arm 12 and the right steering rocker arm 22, and the left steering rocker arm 11 and the right steering rocker arm 21 are not linked, so that the operating force of the braking operation can be reduced, and the consistency of braking return and steering return after the braking is finished can be ensured.
Alternatively, the braking link 34 includes a rotating shaft 341 pivotally connected to the vehicle body 10, and a first connecting portion 342 disposed on an outer peripheral surface of the rotating shaft 341, the first connecting portion 342 is pivotally connected to the braking rocker 32, the linkage pulling plate 33 is disposed on the first connecting portion 342, and the left steering link 13 and the right steering link 23 are both pivotally connected to the rotating shaft 341. So set up, can make steering brake system compacter. Preferably, the left and right steering links 13 and 23 are located at both sides of the first connection portion 342, respectively. Thus, when the brake is operated, the balance of the force applied to the link plate 33 can be ensured.
Optionally, the brake mechanism further includes a first brake transmission rod 35 pivotally connected to the brake link 34, and a left brake lever 391 and a right brake lever 392 each drivingly connected to the first brake transmission rod 35, the left brake lever 391 for braking the left brake hub and the right brake lever 392 for braking the right brake hub. That is, when the brake mechanism performs a braking operation, the brake hub can be braked not only by the left steering mechanism and the right steering mechanism, but also by the brake rocker arm 32. In this embodiment, the braking connector 34 further includes a second connecting portion 343 disposed on the outer peripheral surface of the rotating shaft 341, and the second connecting portion 343 is pivotally connected to the first braking transmission rod 35.
Optionally, the steering brake system further comprises a hand brake assembly for locking or unlocking the relative position of the brake pedal 31 to the vehicle body 10.
Specifically, the braking mechanism further includes a locking member 36, a second brake transmission rod 37 and a brake convergence plate 38, the locking member 36 includes a ratchet 361 and a first connecting arm 362 and a second connecting arm 363 disposed on the ratchet 361, the first connecting arm 362 is pivotally connected to the first brake transmission rod 35, the ratchet 361 is pivotally connected to the vehicle body 10, the second connecting arm 363 is pivotally connected to the second brake transmission rod 37, the second brake transmission rod 37 is pivotally connected to the brake convergence plate 38, and the brake convergence plate 38 is pivotally connected to the left brake rod 391 and the right brake rod 392, respectively. When the brake pedal 31 is pressed, the brake pedal 31 drives the brake connecting member 34 to rotate through the brake rocker 32, the brake connecting member 34 drives the first brake transmission rod 35 to move, the first brake transmission rod 35 drives the locking member 36 to rotate, the locking member 36 drives the second brake transmission rod 37 to move, the second brake transmission rod 37 drives the brake collection link plate 38 to move, and the brake collection link plate 38 drives the left brake lever 391 and the right brake lever 392 to brake the left brake hub and the right brake hub respectively.
The hand brake assembly comprises a control handle 41, a hand control connecting rod assembly 42 in transmission fit with the control handle 41, and a ratchet 43 in transmission fit with the hand control connecting rod assembly 42, wherein the ratchet 43 is pivoted on the vehicle body 10, the ratchet 43 is matched with the ratchet 361, the control handle 41 drives the ratchet 43 to rotate through the hand control connecting rod assembly 42 by rotating the control handle 41, the tooth end of the ratchet 43 can extend into or withdraw from the tooth space of the ratchet 361, and when the ratchet 43 extends into the tooth space, the position of the ratchet 361 and the vehicle body 10 can be locked, so that the position of the brake pedal 31 can be locked; when withdrawn, the ratchet 361 is free to rotate.
The steering brake system drives the vehicle to steer in a mode of treading the steering pedal by feet, has a simple structure, is flexible and light to control, can effectively reduce the labor intensity of a driver, and has higher comprehensive economic performance.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. A steering brake system, characterized by comprising:
the left steering mechanism comprises a left steering pedal (11), a left connecting rod assembly in transmission connection with the left steering pedal (11), a left steering brake rod (15) in transmission connection with the left connecting rod assembly, and a left steering valve in transmission connection with the left steering brake rod (15), wherein the left steering valve is used for separating a left steering clutch, and is used for braking a left brake hub;
the right steering mechanism comprises a right steering pedal (21), a right connecting rod assembly in transmission connection with the right steering pedal (21), a right steering brake rod (25) in transmission connection with the right connecting rod assembly, and a right steering valve in transmission connection with the right steering brake rod (25), wherein the right steering valve is used for separating a right steering clutch, and the right steering valve is used for braking a right brake hub.
2. The steering brake system of claim 1, further comprising a brake mechanism configured to drivingly connect with the left and right linkage assemblies, respectively.
3. The steering brake system according to claim 2, characterized in that the left steering pedal (11) is pivoted to the vehicle body (10), the left linkage assembly comprising a left steering rocker (12), a left steering link (13) and a left transmission rod (14);
the left steering pedal (11) is pivoted with the left steering rocker arm (12), a left sliding groove (121) is formed in the left steering rocker arm (12), the left steering connecting piece (13) is pivoted with the vehicle body (10), the first end of the left steering connecting piece (13) is slidably located in the left sliding groove (121), the second end of the left steering connecting piece (13) is pivoted with the left transmission rod (14), and the left transmission rod (14) is pivoted with the left steering brake rod (15).
4. Steering brake system according to claim 3, characterized in that the right steering pedal (21) is pivoted to the body (10), the right linkage assembly comprising a right steering rocker (22), a right steering link (23) and a right transmission rod (24);
the right steering pedal (21) is pivoted with the right steering rocker arm (22), a right sliding groove (221) is formed in the right steering rocker arm (22), the right steering connecting piece (23) is pivoted with the vehicle body (10), the first end of the right steering connecting piece (23) is slidably located in the right sliding groove (221), the second end of the right steering connecting piece (23) is pivoted with the right transmission rod (24), and the right transmission rod (24) is pivoted with the right steering brake rod (25).
5. The steering brake system according to claim 4, wherein the brake mechanism comprises a brake pedal (31), a brake rocker (32), a linkage pull plate (33) and a brake connecting piece (34), the brake pedal (31) is pivoted with the vehicle body (10), one end of the brake rocker (32) is pivoted with the brake pedal (31), the other end of the brake rocker (32) is pivoted with the brake connecting piece (34), and the linkage pull plate (33) is arranged on the brake connecting piece (34);
linkage arm-tie (33) has first rotation interval, turn to connecting piece (13) on the left and have the second and rotate the interval, turn to connecting piece (23) on the right and have the third and rotate the interval, the second rotate the interval with the third rotates the interval all with first rotation interval overlaps.
6. The steering brake system according to claim 5, wherein the brake link (34) includes a rotating shaft (341) pivotally connected to the vehicle body (10), and a first connecting portion (342) provided on an outer circumferential surface of the rotating shaft (341), the first connecting portion (342) being pivotally connected to the brake rocker (32), the linkage draw plate (33) being provided on the first connecting portion (342), and the left steering link (13) and the right steering link (23) being pivotally connected to the rotating shaft (341).
7. Steering brake system according to claim 6, characterized in that the left steering linkage (13) and the right steering linkage (23) are located on either side of the first connection (342).
8. The steering brake system according to claim 5, wherein the brake mechanism further comprises a first brake transmission rod (35) pivotally connected to the brake link (34), and a left brake lever (391) and a right brake lever (392) both drivingly connected to the first brake transmission rod (35), the left brake lever (391) being for braking the left brake hub and the right brake lever (392) being for braking the right brake hub.
9. Steering brake system according to claim 5, characterized in that it further comprises a hand brake assembly for locking or unlocking the relative position of the brake pedal (31) and the body (10).
10. A rake machine comprising a steering brake system as claimed in any one of claims 1 to 9.
CN201921534567.1U 2019-09-16 2019-09-16 Steering brake system and rake pushing machine Active CN210502842U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921534567.1U CN210502842U (en) 2019-09-16 2019-09-16 Steering brake system and rake pushing machine

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Application Number Priority Date Filing Date Title
CN201921534567.1U CN210502842U (en) 2019-09-16 2019-09-16 Steering brake system and rake pushing machine

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Publication Number Publication Date
CN210502842U true CN210502842U (en) 2020-05-12

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110497953A (en) * 2019-09-16 2019-11-26 山推工程机械股份有限公司 A kind of braking in a turn system and buck raker

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110497953A (en) * 2019-09-16 2019-11-26 山推工程机械股份有限公司 A kind of braking in a turn system and buck raker
CN110497953B (en) * 2019-09-16 2024-04-02 山推工程机械股份有限公司 Steering braking system and push rake machine

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