CN213685051U - Novel wedge type brake device for automobile - Google Patents
Novel wedge type brake device for automobile Download PDFInfo
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- CN213685051U CN213685051U CN201922499804.1U CN201922499804U CN213685051U CN 213685051 U CN213685051 U CN 213685051U CN 201922499804 U CN201922499804 U CN 201922499804U CN 213685051 U CN213685051 U CN 213685051U
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- 239000010959 steel Substances 0.000 claims description 7
- 230000002035 prolonged effect Effects 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 2
- 241001125879 Gobio Species 0.000 abstract 2
- 230000010354 integration Effects 0.000 abstract 1
- 230000001105 regulatory effect Effects 0.000 description 10
- 238000005516 engineering process Methods 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
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Abstract
The utility model aims at providing a novel car wedge brake device, this technique: by preceding according to the preface setting up the adjusting spindle after to, the front end of adjusting spindle sets up manual hexagonal cap, the middle part of adjusting spindle sets up the automatic adjustment main part, it is identical with the rotatory screw thread that sets up in the hole in the middle of the wedge brake block to set up rotatory screw thread on the adjusting spindle rear end, ratchet tooth seat before automatic adjustment main part front end sets up, set up back ratchet tooth seat and adjustment spring in the rear end hole, be provided with rotatory chute on the automatic adjustment main part excircle, back ratchet tooth seat both ends are provided with gudgeon and roll wheel cover, gudgeon and roll wheel cover set up in the rotatory chute of automatic adjustment main part, this technical device: the wedge type brake has the working function of manual and automatic integration, and has the advantages of simple structure, low cost, good braking effect, long service life and the like.
Description
Technical Field
The utility model relates to a novel car wedge brake device belongs to car braking system wedge brake technical field.
Background
The existing automobile brake system mainly comprises two brake devices of a large-sized vehicle, one is a disc brake technology device, a small-sized vehicle completely uses the technology, on the large-sized freight vehicle, the friction surfaces of a friction disc and a friction plate of the disc brake technology device are small, and the brake force cannot meet the brake effect of the large-tonnage vehicle, so that the use is limited, and the existing large-sized freight vehicle mainly uses a brake drum technology device. The brake drum and the friction plate on the brake shoe have large brake friction area, and the brake force can meet the brake effect of a large-tonnage freight car. The existing wedge type technical device is a Japanese early technology, the production process is very complex, a plurality of parts are arranged, the production cost is high, and the technology is a difficult working procedure because no manual technical device is provided, and a repairman needs to restore automatic mechanisms in pistons at two ends to a braking zero position after replacing a new friction plate in later maintenance, and the technology has a short service life.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a novel car wedge brake device has solved the very complicated of current braking system production technology, and spare part is many, problem that manufacturing cost is expensive.
The utility model aims at realizing through following measure, a novel car wedge brake device comprises following spare part respectively, brake casing (1), antifriction bearing (2), braking roll axis (3), brake piston (4), brake shoe (5), brake shoe groove (6) that set up on the brake piston, adjusting shaft (7), wedge brake block (8) of setting in brake casing square hole, manual positioning spring (9), manual positioning bolt (10), manual positioning steel ball (11), locating hole (12), automatic adjustment main part (13), manual adjustment hexagonal cap (14), braking wheel cylinder push rod (15), set up at epaxial preceding ratchet toothholder (16) of adjustment, back ratchet toothholder (17), adjusting spring (18), locking bolt (19), brake assembly screw hole (20), rigid piston sealing ring (21), Set up at trunnion (22) at back ratchet toothholder both ends, set up at trunnion on rolling wheel cover (23), set up rotatory chute (24) in the automatic adjustment main part, be provided with between adjusting spindle and wedge type brake block rotatory screw thread (25), constitute, this technical device is by setting up according to the preface to back forward on a central axis: the brake cylinder push rod, the front end of the regulating shaft is equipped with manual regulating hexagonal cap, the regulating shaft is also equipped with front ratchet wheel tooth seat, the rear end of the regulating shaft is equipped with rotating screw thread which is identical to the rotating screw thread set in the middle hole of wedge type brake block, the automatic regulating main body is placed in the circular hole of brake shell body, in the hole it can be rotated left and right, the front end of the automatic regulating main body is equipped with rear ratchet wheel tooth seat, the teeth on the rear ratchet wheel tooth seat are identical to the teeth on the front ratchet wheel tooth seat of regulating shaft to form one-way working surface, the centre line of two ends of rear ratchet wheel tooth seat is equipped with trunnion, on the trunnion a rolling wheel sleeve is set, the rear ratchet wheel tooth seat is mounted in the circular hole of automatic regulating main body, two trunnions and rolling wheel sleeves are respectively placed in the rotary oblique slot of automatic regulating main body, the rear end of rear ratchet wheel tooth seat is equipped with regulating spring, the locking bolt arranged on the brake shell is loosened and separated from the positioning hole, the automatic adjusting main body is in a manual debugging working state, when the adjusting shaft is rotated left and right, the manual positioning steel ball overcomes the pressure of the manual positioning spring, rolls out from the positioning hole and rolls into the next positioning hole, when the adjusting shaft is rotated manually anticlockwise, the wedge type brake block is driven by the rotating thread to move backwards to form braking, at the moment, the braking gap is zero, on the contrary, when the adjusting shaft is rotated manually clockwise, the wedge type brake block moves forwards to release the braking, the manual positioning steel ball jumps over 3-4 holes of the positioning hole, the braking gap is 0.5 mm, after the manual debugging working is finished, the locking bolt is screwed down the automatic adjusting main body to form a whole with the brake shell, the wedge type brake enters the automatic adjusting working state, when the push rod of the brake wheel cylinder generates braking thrust to move backwards, all parts arranged on the adjusting shaft simultaneously move backwards, because the front and the back of the wedge type brake block are set to a certain bevel angle, the wedge type brake block is wedged between two brake rolling shafts backwards, the brake piston moves upwards and downwards under the rotation of the rolling bearing, the upper brake shoe and the lower brake shoe which are arranged in the brake shoe groove transmit the generated brake force to the brake drum so as to ensure the effective brake function, when the brake gap is in the normal condition, the distance of the backward movement of the adjusting shaft is short, the left trunnion and the right trunnion and the rolling wheel sleeve on the rear ratchet wheel tooth seat can not enter the rotary chute of the automatic adjusting main body, the straight groove in front of the rotary chute can move forwards and backwards, when the brake gap is larger than the normal brake gap, the backward movement distance of the adjusting shaft is prolonged, the left trunnion, the right trunnion and the rolling wheel sleeve enter the respective rotary chute of the automatic adjusting main body, and the rear ratchet wheel tooth seat starts to rotate clockwise, the adjusting spring moves backwards and is compressed, meanwhile, teeth on two tooth seats start to separate, the adjusting spring moves from the tooth bottom to the tooth top and returns to the next tooth after crossing the tooth top, when braking is finished, the adjusting shaft moves forwards, the adjusting spring pushes the rear ratchet tooth seat out of the automatic adjusting main body, the left and right trunnions and the rolling wheel sleeve rotate out from the rotating chute in the anticlockwise direction, and the adjusting shaft simultaneously rotates in the anticlockwise direction due to the fact that the front and rear ratchet tooth seats are one-way working surfaces, and the wedge type brake block moves backwards to adjust braking gaps under the influence of the thread rotating force of the adjusting shaft.
The novel automobile wedge brake device is characterized in that the automatic adjusting body is arranged in a circular hole of the brake shell, the rear ratchet tooth holder arranged in front of the automatic adjusting body can move forwards and backwards in the circular hole of the automatic adjusting body, trunnions and rolling wheel sleeves at two ends of the rear ratchet tooth holder are respectively arranged in rotary chutes at two ends of the automatic adjusting body, rotary chutes arranged at the left end and the right end of the automatic adjusting body are arranged in front of the circular hole of the automatic adjusting body, a straight chute is arranged at the front of the automatic adjusting body, a rotary chute is arranged at the rear of the automatic adjusting body, an angle arranged on the left rotary chute is upward, an angle arranged on the right rotary chute is downward, when the distance of the backward movement of the rear ratchet tooth holder is prolonged, the trunnions and the rolling wheel sleeves enter the respective rotary chutes, when the backward movement is right-rotated, when the backward movement is left-rotated and exited when the forward movement is performed, an adjusting, the rear ratchet tooth holder is ejected by the adjusting spring when moving forwards.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a wedge brake device has manual mode, can quick replacement friction disc, brake shoe, long service life.
Drawings
Fig. 1 is a schematic view of the structure, profile and assembly of the main components of the present invention.
Figure 2 is a schematic view of the rotating threads provided between the adjusting shaft and the wedge shoes as the wedge shoes automatically adjust the brake clearance gradually backwards to a final limit.
Fig. 3 is an assembly view of the cross-sectional structure arrangement a-a of fig. 1.
Fig. 4 is a side view of the rear ratchet toothholder, the trunnion and the rolling wheel sleeve, a schematic side view of the manual adjustment hexagonal cap, and a schematic side view of the adjustment shaft and the front ratchet toothholder.
FIG. 5 is an operational schematic of the initial separation of the teeth of the front and rear ratchet tooth holders to produce a tooth skip action.
Detailed Description
The following are embodiments of the present invention and are further described with reference to the accompanying drawings, but the present invention is not limited to these embodiments.
As shown in fig. 1-5, the utility model relates to a novel car wedge brake device, this embodiment is to large-scale public bus, what large-scale freight train designed does the detailed description, when this wedge brake assembly braking system packs into, is accomplished by the assembly of stopper assembly screw hole 20, and this technical device is on a center axis, by preceding according to the preface setting backward: a cylinder push rod 15, an adjusting shaft 7, a manual adjusting hexagonal cap 14 arranged at the front end of the adjusting shaft, a front ratchet tooth seat 16 arranged on the adjusting shaft, a rear ratchet tooth seat 17 arranged at the rear end of the front ratchet tooth seat, a rotating thread 25 arranged at the rear end of the adjusting shaft and matched with the rotating thread arranged in the middle hole of the wedge type brake block 8, because the wedge type brake block 8 is arranged in the square hole of the brake shell 1, when the adjusting shaft 7 rotates left and right, the wedge type brake block 8 moves front and back in the square hole, the automatic adjusting main body 13 is arranged in the circular air of the brake shell 1 and can rotate left and right in the circular hole, a rear ratchet seat 17 is arranged at the front end of the automatic adjusting main body 13, the teeth on the rear ratchet tooth seat 17 are matched with the ratchet teeth on the front ratchet tooth seat on the adjusting shaft to form a one-way working surface, and trunnions 22 are arranged on the central lines of the two ends of the rear ratchet tooth seat, the trunnion 22 is provided with a rolling wheel sleeve 23, the rear ratchet wheel tooth seat 17 is assembled in a rotary chute 24 of the automatic adjusting main body 13, the rear end of the rear ratchet wheel tooth seat 17 is provided with an adjusting spring 18, the excircle of the rear end of the automatic adjusting main body 13 is provided with equal positioning holes 12, a locking bolt 19 arranged on the brake shell 1 is loosened and separated from the positioning holes 12, the automatic adjusting main body 13 is in a manual debugging working state, when the adjusting shaft 7 is rotated left and right, a manual positioning steel ball 11 overcomes the pressure of a manual positioning spring 9, the wedge type brake block 8 is pushed by a rotary screw thread 25 to move backwards in a square hole of the brake shell 1 to form braking, the braking clearance is zero at the moment, and conversely, when the adjusting shaft 7 is rotated manually and clockwise, the wedge type brake block 8 moves forwards to release braking, the manual positioning steel ball 11 skips 3-4 holes of the positioning hole, the braking gap is 0.5 mm, after the manual debugging work is finished, the locking bolt is screwed down 19, the automatic adjustment main body 13 and the brake shell (1) are integrated, the wedge type brake enters an automatic adjustment working state, when the brake cylinder push rod 15 generates braking thrust to move backwards from the front, all parts arranged on the adjustment shaft 7 move backwards at the same time, because the front and the back of the wedge type brake block 8 are set into a certain oblique angle, the wedge type brake block 8 is wedged backwards into the middle of the two brake rolling shafts 3, under the rotation of the rolling bearing 2, the brake piston 4 moves upwards and downwards, and the upper and the lower brake shoes 5 arranged in the brake shoe groove 6 transmit the generated braking force to the brake drum, so as to ensure the effective braking function, when the braking gap is normal, the adjusting shaft 7 moves backwards in a short distance, the left and right trunnions 22 and the rolling wheel sleeve 23 on the rear ratchet tooth seat 17 cannot enter the rotary chute 24 on the automatic adjusting main body 13 and move forwards and backwards in a straight chute in front of the rotary chute 24, when the braking gap is larger than the normal braking gap, the backward movement distance of the adjusting shaft 7 is prolonged, the left and right trunnions 22 and the rolling wheel sleeve 23 enter the rotary chutes 24 of the automatic adjusting main body 13, the rear ratchet tooth seat 17 starts to rotate clockwise, the adjusting spring 18 moves backwards and is compressed, simultaneously the teeth on the two tooth seats start to separate and move from the bottom of the teeth to the top of the teeth and return to the next teeth over the top of the teeth, when the braking is finished, the braking of the adjusting shaft 7 is released, adjusting the rotational thread between the shaft 7 and the wedge shoes 8. 25 the brake pressure is in a relaxed state, the adjusting spring 18 forcibly ejects the rear ratchet tooth holder 17 out of the automatic adjusting body 13, because the front and rear ratchet tooth holders are one-way working surfaces, the adjusting shaft 7 rotates counterclockwise at the same time, the wedge brake block 8 moves backwards in the square hole of the brake shell 1 under the influence of the thread rotating force of the adjusting shaft 7, the upper and lower brake rolling shafts 3, the brake piston 4 and the brake shoe 5 move in two directions to restore the normal brake clearance, when the vehicle runs for a certain number of kilometers and the brake friction plate is worn to the limit, the wedge brake block 8 of the automatic adjusting mechanism of the brake moves backwards to the limit, a new brake friction plate needs to be replaced, at this time, the locking bolt 19 should be loosened to be separated from the positioning hole 12, the manual hexagonal cap 14 is adjusted by a spanner, the adjusting shaft 7 is rotated clockwise to enable the wedge brake block 8 to move backwards from the rear part, The brake is pulled back to the zero adjustment position, the friction plate and the brake shoe which are replaced by new ones are installed in the brake system, the wrench is used for debugging the rotating shaft for adjustment 7, the manual debugging stage of a new round is started at the moment, the rigid piston sealing ring is arranged in the brake piston hole of the brake shell 1, and when the brake generates high temperature, the cleaning of the interior of the brake shell 1 is ensured.
The particular embodiments described herein are illustrative only, and various modifications or additions may be made or substituted by those skilled in the art which are still within the spirit and scope of the invention as defined in the appended claims.
Although terms such as the brake housing 1, the rolling bearing 2, the brake rolling shaft 3, the brake piston 4, the brake shoe 5, the brake shoe groove 6 provided on the brake piston, the adjusting shaft 7, the wedge brake shoe 8 provided in the square hole of the brake housing, the manual positioning spring 9, the manual positioning bolt 10, the manual positioning steel ball 11, the positioning hole 12, the automatic adjusting body 13, the manual adjusting hexagonal cap 14, the cylinder push rod 15, the front ratchet block 16 provided on the adjusting shaft, the rear ratchet block 17, the adjusting spring 18, the locking bolt 19, the brake assembling screw hole 20, the rigid piston sealing ring 21, the trunnions 22 provided at both ends of the rear ratchet block, the rolling wheel housing 23 provided on the trunnions, the rotating inclined groove 24 provided on the automatic adjusting body, and the rotating thread 25 provided between the adjusting shaft and the wedge brake shoe are used more often herein, the possibility of using other terms is not excluded, these terms are used merely for the purpose of more convenient description and explanation of the nature of the present invention: they are to be construed in a manner that is inconsistent with the spirit of the invention.
Claims (2)
1. The utility model provides a novel car wedge brake device which characterized in that: the brake comprises a brake shell (1), a rolling bearing (2), a brake rolling shaft (3), a brake piston (4), a brake shoe (5), an adjusting shaft (7), a wedge type brake block (8), a manual positioning spring (9), a manual positioning bolt (10), a manual positioning steel ball (11), a positioning hole (12), an automatic adjusting main body (13), a brake cylinder push rod (15), a front ratchet wheel tooth seat (16) arranged on the adjusting shaft (7), a brake assembling screw hole (20) and a rigid piston sealing ring (21), wherein the wedge type brake block (8) is arranged in a square hole of the brake shell (1), a rotating thread (25) is arranged between the adjusting shaft (7) and the wedge type brake block (8), and the brake piston (4) is provided with a brake shoe groove (6) for placing the brake shoe (5);
the brake comprises a brake shell (1), an adjusting shaft (7), a brake cylinder push rod (15), a front ratchet wheel tooth seat (16) and a rear ratchet wheel tooth seat (17) are arranged on the same central axis, the front end of the adjusting shaft (7) is provided with a manual adjusting hexagonal cap (14), the adjusting shaft (7) is also provided with the front ratchet wheel tooth seat (16), the rear end of the adjusting shaft (7) is provided with a rotating thread (25) which is matched with the rotating thread (25) arranged in a middle hole of a wedge type brake block (8), an automatic adjusting main body (13) is arranged in a circular hole of the brake shell (1) and can rotate left and right in the circular hole, the front end of the automatic adjusting main body (13) is provided with the rear ratchet wheel tooth seat (17), teeth on the rear ratchet wheel tooth seat (17) are matched with teeth on the front ratchet wheel tooth seat (16) to form a one-way working surface, trunnions (22) are arranged on the central axes of the two ends of the, the trunnions (22) are provided with rolling wheel sleeves (23), the rear ratchet wheel tooth holder (17) is assembled in a circular hole of the automatic adjusting main body, the two trunnions (22) and the rolling wheel sleeves (23) are arranged in a rotary chute (24) of the automatic adjusting main body (13) in a left-right mode, the rear end of the rear ratchet wheel tooth holder (17) is provided with an adjusting spring (18), the rear end of the automatic adjusting main body (13) is provided with positioning holes (12) which are equally divided, and the brake shell (1) is provided with a locking bolt (19).
2. The novel wedge brake device for automobiles according to claim 1, wherein: the left end and the right end of the automatic adjusting main body (13) are respectively provided with a rotary chute (24), the front end is provided with a straight chute, the rear end is provided with a chute, the angle of the rotary chute on the left side is upward, the angle of the rotary chute on the right side is downward, when the distance of the backward movement of the rear ratchet tooth holder (17) is prolonged, the trunnions (22) and the rolling wheel sleeves (23) enter the respective rotary chutes (24), the backward movement of the trunnions enters the right-hand rotation of the trunnions, the forward movement of the trunnions exits from the left-hand rotation of the trunnions, the adjusting spring (18) arranged behind the rear ratchet tooth holder (17) is compressed during the backward movement, and the rear ratchet tooth holder (17) is ejected by the adjusting spring (18) during the.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922499804.1U CN213685051U (en) | 2019-12-12 | 2019-12-12 | Novel wedge type brake device for automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922499804.1U CN213685051U (en) | 2019-12-12 | 2019-12-12 | Novel wedge type brake device for automobile |
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| Publication Number | Publication Date |
|---|---|
| CN213685051U true CN213685051U (en) | 2021-07-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922499804.1U Active CN213685051U (en) | 2019-12-12 | 2019-12-12 | Novel wedge type brake device for automobile |
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| Country | Link |
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| CN (1) | CN213685051U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111022531A (en) * | 2019-12-12 | 2020-04-17 | 戎华庆 | Novel wedge type brake device for automobile |
-
2019
- 2019-12-12 CN CN201922499804.1U patent/CN213685051U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111022531A (en) * | 2019-12-12 | 2020-04-17 | 戎华庆 | Novel wedge type brake device for automobile |
| CN111022531B (en) * | 2019-12-12 | 2024-03-26 | 浙江睿安汽配有限公司 | Novel wedge type brake device for automobile |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231211 Address after: No. 78 Yexiao Road, Huashan Community, Yaojiang Town, Zhuji City, Shaoxing City, Zhejiang Province, 311800 Patentee after: Zhejiang Ruian Auto Parts Co.,Ltd. Address before: 030600 Room 502, building B5, phase III, Wanke Langrun garden, University Town, Yuci District, Jinzhong City, Shanxi Province Patentee before: Rong Huaqing |
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| TR01 | Transfer of patent right |