CN216922940U - Position adjustable brake hoof - Google Patents
Position adjustable brake hoof Download PDFInfo
- Publication number
- CN216922940U CN216922940U CN202123451007.XU CN202123451007U CN216922940U CN 216922940 U CN216922940 U CN 216922940U CN 202123451007 U CN202123451007 U CN 202123451007U CN 216922940 U CN216922940 U CN 216922940U
- Authority
- CN
- China
- Prior art keywords
- brake shoe
- friction plate
- arc
- shaped rack
- gear
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Braking Arrangements (AREA)
Abstract
The utility model relates to the technical field of brake shoes, and discloses a brake shoe with an adjustable position, which has the technical scheme that the brake shoe comprises a mounting plate, the mounting plate can provide mounting and fixing places for the fixing columns, the two fixing columns can respectively provide mounting places for the first brake shoe and the second brake shoe, the first chute can provide an installation place for the first power part, the second chute can provide an installation place for the second power part, the first friction plate can be driven to slide on one side surface far away from the first brake shoe by the arranged first power part, the second friction plate can be driven to slide on one side surface far away from the second brake shoe by the arranged second power part, so as to adjust the positions of the first friction plate and the second friction plate, thereby adjusting the positions of the first friction plate and the second friction plate which are contacted with the inner wall surface of the brake drum.
Description
Technical Field
The utility model relates to the technical field of brake shoes, in particular to a brake shoe with an adjustable position.
Background
The brake shoe is a part which is pushed outwards by the acting force in the brake system to be spread and pressed to brake the brake drum to play a braking role, is arranged on the brake drum and is one of key safety parts in the vehicle brake system, and is in a half-moon shape, so that two half-moon-shaped brake shoes are outwards expanded under the action of a brake wheel cylinder during braking to support the brake shoe to rub the inner wall of the brake drum to play a role in speed reduction or parking.
The friction piece on the brake shoe can lead to brake block and brake drum contact part to become thin gradually at the in-process with the brake drum friction, and the time that the friction piece contacted brake drum internal wall face can increase after the brake block becomes thin to lead to the braking time to become, cause the potential safety hazard easily.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide a brake shoe with an adjustable position, which is used for adjusting the contact position of a friction plate and the inner wall surface of a brake drum.
In order to achieve the purpose, the utility model provides the following technical scheme:
a brake shoe with an adjustable position comprises a mounting plate, wherein two fixing columns are fixedly connected to the top surface of the mounting plate, one fixing column is rotatably connected with a first brake shoe, the other fixing column is rotatably connected with a second brake shoe, the first brake shoe and the second brake shoe are symmetrically arranged,
first brake hoof is kept away from first spout has been seted up on the side of second brake hoof, be provided with first friction disc in the first spout, be provided with first power portion in the first spout, first power portion is used for driving first friction disc is in first brake hoof is kept away from slide on the side of second brake hoof, the second brake hoof is kept away from the second spout has been seted up on the side of first brake hoof, be provided with the second friction disc in the second spout, be equipped with second power portion in the second spout, second power portion is used for driving the second friction disc is in the second brake hoof is kept away from slide on the side of first brake hoof.
In the utility model, preferably, the first power portion includes a first rotating electrical machine, the first rotating electrical machine is fixedly connected in the first chute, an output shaft of the first rotating electrical machine is parallel to a central axis of the fixed column, a first arc-shaped rack is slidably connected to the first chute, a first gear is fixedly connected to the output shaft of the first rotating electrical machine, the first gear is engaged with the first arc-shaped rack, a first fixing assembly is arranged on the first arc-shaped rack, and the first fixing assembly is used for detachably connecting the first friction plate to the first arc-shaped rack;
the second power portion comprises a second rotating motor, the second rotating motor is fixedly connected in a second sliding groove, an output shaft of the second rotating motor is parallel to the central axis of the fixed column, a second arc-shaped rack is connected to the second sliding groove in a sliding mode, a second gear is fixedly connected to the output shaft of the second rotating motor, the second gear is meshed with the second arc-shaped rack and is connected with a second fixing assembly, the second fixing assembly is used for detachably connecting a second friction plate to the second arc-shaped rack, and the first rotating motor and the second rotating motor are symmetrically arranged.
In the present invention, it is preferable that the modules of the first gear and the second gear are equal, and the number of teeth of the first gear is equal to the number of teeth of the second gear.
In the utility model, preferably, the first fixing assembly includes a plurality of first bolts, a plurality of first countersunk holes are formed in a side surface of the first friction plate away from the first brake shoe, a plurality of first threaded holes are formed in the first arc-shaped rack, the first threaded holes correspond to the first countersunk holes one to one, the first threaded holes correspond to the first bolts one to one, and the first bolts are in threaded connection between the corresponding first threaded holes and the first countersunk holes.
In the utility model, preferably, the second fixing assembly includes a plurality of second bolts, a plurality of second countersunk holes are formed in a side surface of the second friction plate away from the second brake shoe, a plurality of second threaded holes are formed in the second arc-shaped rack, the second threaded holes correspond to the second countersunk holes one to one, the second threaded holes correspond to the second bolts one to one, and the second bolts are in threaded connection between the corresponding second threaded holes and the second countersunk holes.
In the utility model, preferably, the position-adjustable brake shoe further comprises a power assembly, the power assembly is used for driving the first brake shoe and the second brake shoe to be away from each other, so that the first friction plate and the second friction plate are abutted against a brake drum, and a return spring is fixedly connected between the first brake shoe and the second brake shoe.
In the present invention, preferably, the power assembly includes a hydraulic cylinder, the hydraulic cylinder is fixedly connected to the top surface of the mounting plate, the hydraulic cylinder includes a first output end and a second output end, the first output end and the second output end are respectively located at two sides of the hydraulic cylinder, the first output end is hinged to the first brake shoe, and the second output end is hinged to the second brake shoe.
The utility model has the beneficial effects that: the mounting plate is arranged to provide mounting and fixing places for the fixing columns, the two fixing columns are arranged to provide mounting places for the first brake shoe and the second brake shoe respectively, the first power portion can be provided with a setting place for the first power portion through the arranged first sliding groove, the second power portion can be provided with a setting place for the second power portion through the arranged second sliding groove, the first friction plate can be driven to slide on one side far away from the first brake shoe through the arranged first power portion, the second friction plate can be driven to slide on one side far away from the second brake shoe through the arranged second power portion, the positions of the first friction plate and the second friction plate are adjusted, and therefore the positions of the first friction plate and the second friction plate, which are in contact with the inner wall surface of the brake drum, are adjusted.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
fig. 2 is a schematic cross-sectional structure of the present invention.
Reference numerals: 1. mounting a plate; 2. fixing a column; 3. a first brake shoe; 4. a second brake shoe; 5. a first chute; 6. a first friction plate; 7. a first power section; 71. a first rotating electrical machine; 72. a first arc-shaped rack; 73. a first gear; 74. a first fixed component; 741. a first bolt; 742. a first counterbore; 743. a first threaded hole; 8. a second chute; 9. a second friction plate; 10. a second power section; 101. a second rotating electrical machine; 102. a second arc-shaped rack; 103. a second gear; 104. a second fixed component; 1041. a second bolt; 1042. a second counterbore; 1043. a second threaded hole; 11. a power assembly; 111. a hydraulic cylinder; 112. a first output terminal; 113. a second output terminal; 114. a return spring; 12. a brake drum.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1 to 2, the brake shoe with adjustable position of this embodiment includes a mounting plate 1, two fixing columns 2 are fixedly connected to a top surface of the mounting plate 1, one of the fixing columns 2 is rotatably connected to a first brake shoe 3, the other fixing column 2 is rotatably connected to a second brake shoe 4, the first brake shoe 3 and the second brake shoe 4 are symmetrically arranged,
a first sliding groove 5 is formed in one side surface of the first brake shoe 3, which is far away from the second brake shoe 4, a first friction plate 6 is arranged in the first sliding groove 5, a first power part 7 is arranged in the first sliding groove 5, the first power part 7 is used for driving the first friction plate 6 to slide on the side surface of the first brake shoe 3, which is far away from the second brake shoe 4, a second sliding groove 8 is formed in one side surface of the second brake shoe 4, which is far away from the first brake shoe 3, a second friction plate 9 is arranged in the second sliding groove 8, a second power part 10 is arranged in the second sliding groove 8, the second power part 10 is used for driving the second friction plate 9 to slide on the side surface of the second brake shoe 4, which is far away from the first brake shoe 3, the first power part 7 comprises a first rotating motor 71, the first rotating motor 71 is fixedly connected in the first sliding groove 5, an output shaft of the first rotating motor 71 is parallel to a central axis of the fixed column 2, a first arc-shaped rack 72 is slidably connected on the first sliding groove 5, a first gear 73 is fixedly connected to an output shaft of the first rotating motor 71, the first gear 73 is meshed with the first arc-shaped rack 72, a first fixing assembly 74 is arranged on the first arc-shaped rack 72, and the first fixing assembly 74 is used for detachably connecting the first friction plate 6 to the first arc-shaped rack 72;
the second power portion 10 includes a second rotating electrical machine 101, the second rotating electrical machine 101 is fixedly connected in the second chute 8, an output shaft of the second rotating electrical machine 101 is parallel to a central axis of the fixed column 2, a second arc-shaped rack 102 is slidably connected on the second chute 8, a second gear 103 is fixedly connected on an output shaft of the second rotating electrical machine 101, the second gear 103 is meshed with the second arc-shaped rack 102, a second fixing component 104 is arranged on the second arc-shaped rack 102, the second fixing component 104 is used for detachably connecting the second friction plate 9 to the second arc-shaped rack 102, the first rotating electrical machine 71 and the second rotating electrical machine 101 are symmetrically arranged, the first rotating electrical machine 71 is arranged to drive the first gear 73 to rotate, the first arc-shaped rack 72 is arranged to rotate, the first friction plate 6 is arranged to move by the first arc-shaped rack 72, thereby adjusting the position of the first friction plate 6 contacting the brake drum 12, the second rotating electrical machine 101 is arranged to drive the second gear 103 to rotate, the second arc rack 102 is arranged to rotate, the second friction plate 9 is arranged to move by the second arc rack 102, thereby adjusting the position of the second friction plate 9 contacting the brake drum 12, the sliding of the first arc rack 72 in the first chute 5 and the sliding of the second arc rack 102 in the second chute 8 are around the first brake shoe 3 and the second brake shoe 4 to vertically slide with the central axis of symmetry of the mounting plate 1, the modulus of the first gear 73 and the modulus of the second gear 103 are equal, and the modulus of the first gear 73 and the number of the second gear 103 are equal, the modulus of the first gear 73 and the second gear 103 are equal, and the modulus of the first gear 73 and the number of the second gear 103 are equal, the first friction plate 6 and the second friction plate 9 can be ensured to move by equal distances.
In this embodiment, referring to fig. 1, the first fixing assembly 74 includes a plurality of first bolts 741, a plurality of first countersunk holes 742 are formed in a side surface of the first friction plate 6 away from the first brake shoe 3, a plurality of first threaded holes 743 are formed in the first arc-shaped rack 72, the first threaded holes 743 correspond to the first countersunk holes 742 one to one, the first threaded holes 743 correspond to the first bolts 741 one to one, the first bolts 741 are threadedly connected between the corresponding first threaded holes 743 and the first countersunk holes 742, the first bolts 741 can pass through the first countersunk holes 742 and be threadedly connected to the first threaded holes 743, the first countersunk holes 742 can ensure that a side surface of the first friction plate 6 away from the first brake shoe 3 sufficiently contacts an inner wall surface of the brake drum 12, the second fixing assembly 104 includes a plurality of second bolts 1041, a plurality of second countersunk holes 1042 are formed in a side surface of the second friction plate 9 away from the second brake shoe 4, a plurality of second threaded holes 1043 are formed in the second arc-shaped rack 102, the second threaded holes 1043 are in one-to-one correspondence with the second counter sink holes 1042, the second threaded holes 1043 are in one-to-one correspondence with the second bolts 1041, the second bolts 1041 are in threaded connection between the corresponding second threaded holes 1043 and the corresponding second counter sink holes 1042, the second bolts 1041 can penetrate through the second counter sink holes 1042 and are in threaded connection with the second threaded holes 1043, and it can be guaranteed that one side face, away from the second brake shoe 4, of the second friction plate 9 can be fully contacted with the inner wall face of the brake drum 12 through the set second counter sink holes 1042.
The brake shoe with the adjustable position further comprises a power assembly 11, wherein the power assembly 11 is used for driving a first brake shoe 3 and a second brake shoe 4 to be away from each other so as to enable a first friction plate 6 and a second friction plate 9 to be abutted against a brake drum 12, a return spring 114 is fixedly connected between the first brake shoe 3 and the second brake shoe 4, the return spring 114 is arranged to assist the first brake shoe 3 and the second brake shoe 4 to be reset when a hydraulic cylinder 111 retracts, the power assembly 11 comprises a hydraulic cylinder 111, the hydraulic cylinder 111 is fixedly connected to the top surface of a mounting plate 1, the hydraulic cylinder 111 comprises a first output end 112 and a second output end 113, the first output end 112 and the second output end 113 are respectively located on two sides of the hydraulic cylinder 111, the first output end 112 is hinged to the first brake shoe 3, the second output end 113 is hinged to the second brake shoe 4, and the first brake shoe 3 and the second brake shoe 4 can be driven to be away from each other simultaneously when the hydraulic cylinder 111 is extended out, so that the first friction plate 6 and the second friction plate 9 are away from each other and abut against the inner wall surface of the brake drum 12, in the present invention, the hydraulic cylinder 111 is provided with a preset extension length threshold value, and when the extension length value of the hydraulic cylinder 111 is greater than the preset extension length threshold value, the first rotating electric machine 71 and the second rotating electric machine 101 start to operate.
The working principle is as follows: when the length value of the hydraulic cylinder 111 extending is greater than the preset extending length threshold value, it is determined that the first friction plate 6 and the second friction plate 9 are worn, at this time, the first rotating motor 71 and the second rotating motor 101 start to work simultaneously, the rotating directions of the first rotating motor 71 and the second rotating motor 101 are opposite, the first rotating motor 71 drives the first gear 73 to rotate, the first gear 73 drives the first arc-shaped rack 72 to move, the second rotating motor 101 drives the second gear 103 to rotate, the second gear 103 drives the second arc-shaped rack 102 to move, the first friction plate 6 is driven to move by the movement of the first arc-shaped rack 72, and the second friction plate 9 is driven to move by the movement of the second arc-shaped rack 102, so that the contact position between the friction plate and the brake drum 12 is adjusted, and the length value of the hydraulic cylinder 111 extending is equal to the preset extending length threshold value.
The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the utility model may occur to those skilled in the art without departing from the principle of the utility model, and are considered to be within the scope of the utility model.
Claims (7)
1. A position adjustable brake shoe characterized by: comprises a mounting plate (1), two fixing columns (2) are fixedly connected on the top surface of the mounting plate (1), one fixing column (2) is rotatably connected with a first brake shoe (3), the other fixing column (2) is rotatably connected with a second brake shoe (4), the first brake shoe (3) and the second brake shoe (4) are symmetrically arranged,
a first sliding groove (5) is arranged on one side surface of the first brake shoe (3) far away from the second brake shoe (4), a first friction plate (6) is arranged in the first sliding chute (5), a first power part (7) is arranged in the first sliding chute (5), the first power part (7) is used for driving the first friction plate (6) to slide on the side surface of the first brake shoe (3) far away from the second brake shoe (4), a second sliding groove (8) is arranged on one side surface of the second brake shoe (4) far away from the first brake shoe (3), a second friction plate (9) is arranged in the second sliding chute (8), a second power part (10) is arranged in the second sliding chute (8), the second power part (10) is used for driving the second friction plate (9) to slide on the side face, away from the first brake shoe (3), of the second brake shoe (4).
2. A position adjustable brake shoe as set forth in claim 1 wherein: the first power part (7) comprises a first rotating motor (71), the first rotating motor (71) is fixedly connected in the first sliding chute (5), an output shaft of the first rotating motor (71) is parallel to the central axis of the fixed column (2), a first arc-shaped rack (72) is connected onto the first sliding chute (5) in a sliding mode, a first gear (73) is fixedly connected onto the output shaft of the first rotating motor (71), the first gear (73) is meshed and connected with the first arc-shaped rack (72), a first fixing assembly (74) is arranged on the first arc-shaped rack (72), and the first fixing assembly (74) is used for detachably connecting the first friction plate (6) onto the first arc-shaped rack (72);
the second power part (10) comprises a second rotating motor (101), the second rotating motor (101) is fixedly connected in the second sliding chute (8), and the output shaft of the second rotating motor (101) is parallel to the central axis of the fixed column (2), a second arc-shaped rack (102) is connected on the second chute (8) in a sliding way, a second gear (103) is fixedly connected on the output shaft of the second rotating motor (101), the second gear (103) is meshed with the second arc-shaped rack (102), a second fixing component (104) is arranged on the second arc-shaped rack (102), the second fixing component (104) is used for detachably connecting the second friction plate (9) to the second arc-shaped rack (102), and the first rotating electric machine (71) and the second rotating electric machine (101) are symmetrically arranged.
3. A position adjustable brake shoe as set forth in claim 2 wherein: the modules of the first gear (73) and the second gear (103) are equal, and the number of teeth of the first gear (73) is equal to that of the second gear (103).
4. A position adjustable brake shoe as set forth in claim 2 wherein: the first fixing assembly (74) comprises a plurality of first bolts (741), a plurality of first counter sink holes (742) are formed in a side face, away from the first brake shoe (3), of the first friction plate (6), a plurality of first threaded holes (743) are formed in the first arc-shaped rack (72), the first threaded holes (743) correspond to the first counter sink holes (742) in a one-to-one mode, the first threaded holes (743) correspond to the first bolts (741) in a one-to-one mode, and the first bolts (741) are in threaded connection between the corresponding first threaded holes (743) and the corresponding first counter sink holes (742).
5. A position adjustable brake shoe as set forth in claim 2 wherein: the second fixing assembly (104) comprises a plurality of second bolts (1041), a plurality of second counter sink holes (1042) are formed in a side face, away from the second brake shoe (4), of the second friction plate (9), a plurality of second threaded holes (1043) are formed in the second arc-shaped rack (102), the second threaded holes (1043) correspond to the second counter sink holes (1042) in a one-to-one mode, the second threaded holes (1043) correspond to the second bolts (1041) in a one-to-one mode, and the second bolts (1041) are in threaded connection between the corresponding second threaded holes (1043) and the second counter sink holes (1042).
6. A position adjustable brake shoe as set forth in claim 1 wherein: this position adjustable brake shoe still includes power component (11), power component (11) are used for the drive first brake shoe (3) with second brake shoe (4) keep away from each other, so that first friction disc (6) with second friction disc (9) offsets with the brake drum, first brake shoe (3) with fixedly connected with reset spring (114) between second brake shoe (4).
7. A positionally adjustable brake shoe according to claim 6 wherein: power component (11) includes pneumatic cylinder (111), pneumatic cylinder (111) fixed connection be in on mounting panel (1) top surface, pneumatic cylinder (111) include first output (112) and second output (113), first output (112) with second output (113) are located respectively the both sides of pneumatic cylinder (111), first output (112) with first brake hoof (3) are articulated, second output (113) with second brake hoof (4) are articulated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123451007.XU CN216922940U (en) | 2021-12-30 | 2021-12-30 | Position adjustable brake hoof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123451007.XU CN216922940U (en) | 2021-12-30 | 2021-12-30 | Position adjustable brake hoof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216922940U true CN216922940U (en) | 2022-07-08 |
Family
ID=82257233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123451007.XU Active CN216922940U (en) | 2021-12-30 | 2021-12-30 | Position adjustable brake hoof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216922940U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115230660A (en) * | 2022-09-21 | 2022-10-25 | 江苏天一航空工业股份有限公司 | Automatic driving anti-collision active braking system and method for cold-chain logistics vehicle |
-
2021
- 2021-12-30 CN CN202123451007.XU patent/CN216922940U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115230660A (en) * | 2022-09-21 | 2022-10-25 | 江苏天一航空工业股份有限公司 | Automatic driving anti-collision active braking system and method for cold-chain logistics vehicle |
| CN115230660B (en) * | 2022-09-21 | 2022-12-23 | 江苏天一航空工业股份有限公司 | Automatic driving anti-collision active braking system and method for cold-chain logistics vehicle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN216922940U (en) | Position adjustable brake hoof | |
| CN101554640B (en) | Overload protecting electric screw press | |
| CN203665181U (en) | Automatic braking device of heavy horizontal lathe spindle | |
| CN218882861U (en) | Automatic adjusting device for clearance of disc brake working tongs | |
| CN111673444A (en) | Bolt tightening device suitable for various engine models | |
| CN215188194U (en) | Agricultural machine's belt pulley removes native mechanism | |
| CN216241929U (en) | Electric wheel-side brake | |
| CN216922974U (en) | Brake shoe with protective performance | |
| CN201046608Y (en) | Aluminum alloy profile punching machine with well clutch performance | |
| CN110238641B (en) | Nut pre-screwing device | |
| CN211071562U (en) | Corner collision machine convenient to maintain and used for machining aluminum alloy doors and windows | |
| CN211974841U (en) | Double-braking door roller | |
| CN209868313U (en) | Distribution box surface treatment integrated equipment | |
| CN203925249U (en) | A kind of roller shutter door machine | |
| CN202439678U (en) | Caliper disc parking brake with multiple-threaded screw for loading machine | |
| CN221020365U (en) | Chamber wiping head part | |
| CN220664823U (en) | Traction hook connecting device | |
| CN205687423U (en) | A kind of ship unloaders drivers' cab safety | |
| CN213944361U (en) | Aluminum profile traction machine with anti-collision function | |
| CN110948040B (en) | Cutting device of automobile anti-collision beam | |
| CN220122114U (en) | Anti-loosening damping wire clamp | |
| CN219766540U (en) | Six-station punching machine | |
| CN108944224A (en) | Novel embosser is used in a kind of production and processing of automatic foot-mat | |
| CN219101058U (en) | Roller type door opening machine | |
| CN220463214U (en) | Belt pulley processingequipment with protective structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |