CN215890879U - Normal locking type eccentric circle self-locking brake device - Google Patents
Normal locking type eccentric circle self-locking brake device Download PDFInfo
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- CN215890879U CN215890879U CN202121648375.0U CN202121648375U CN215890879U CN 215890879 U CN215890879 U CN 215890879U CN 202121648375 U CN202121648375 U CN 202121648375U CN 215890879 U CN215890879 U CN 215890879U
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- 239000003921 oil Substances 0.000 description 3
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Abstract
The utility model relates to the technical field of disc brake, in particular to a normally-locked eccentric circle self-locking brake device which utilizes the characteristics of an eccentric circle transmission structure and has the normal-locked brake mode with high reliability, automatic centering and self-locking characteristics, and comprises an elastic shaft sleeve, calipers, a right friction plate, a support frame, a brake pad and a left friction plate, wherein the support frame is arranged on one side of the calipers through the elastic shaft sleeve, an axial guide post is arranged in the elastic shaft sleeve, one end of the guide post is connected with the vertical left friction plate, the right friction plate is arranged between the support frame and the calipers, the brake pad is arranged between the support frame and the left friction plate, a disc spring frame is arranged on the end surface of the calipers, which is far away from the right friction plate, an eccentric circle is arranged on the disc spring frame through an eccentric hole circular shaft, the eccentric circle can rotate around the eccentric hole circular shaft, a disc spring is arranged in the eccentric circle, and a push rod and the calipers can transversely move relatively, the outer side of the eccentric circle is connected with a brake cable.
Description
Technical Field
The utility model relates to the technical field of disc brake, in particular to a normally-locked eccentric circle self-locking brake device.
Background
With the improvement of safety awareness of people, the braking mode that people are in an unlocking state and rely on artificial active braking in a normal state cannot meet the requirements of people, and normally-locked braking is more and more important, and is particularly important on a swaying ship, large-scale medical equipment, a baby carriage and a mining area cargo transportation tool. The normally open type brake mainly applied to the field of active braking has great potential safety hazards due to manual operation, such as universal wheels with brakes and brakes used on baby carriages. Various forms of brakes in the existing market are all in a normally open type brake mode, particularly in an active brake mode in the field of disc brakes, and the requirements cannot be met. In the existing research of a normally-locked brake device, two main types of rigid brake modes and flexible brake modes are available, in the rigid normally-locked brake device, the rigid brake has large impact on a mechanical structure, and is particularly easy to damage when braking in a movement process, for example, a gear or a wheel is adopted, so that the user experience is influenced; in flexible normal lock formula arresting gear, mainly adopt the hydraulic pressure dish structure of stopping, in normal lock formula hydraulic pressure dish arresting gear, mainly adopt hydraulic transmission, the normal pressure of friction disc mainly provides through the spring, because hydraulic pressure dish arresting gear structure is complicated, be unfavorable for processing very much, hydraulic oil is in pressure state under the normality, hydraulic system can take place to leak under long-term operating condition, because the oil leak takes place to become invalid, do not have self-locking function simultaneously, the dish that adopts the hydraulic pressure mode of stopping the device reliability is very low, can not satisfy present requirement.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provides a normally-locked eccentric circle self-locking brake device and a using method thereof.
The utility model is realized by the following technical scheme:
a normally-locked eccentric circle self-locking brake device comprises an elastic shaft sleeve, calipers, a right friction plate, a support frame, a brake pad and a left friction plate, wherein transverse through holes are formed in the calipers, the elastic shaft sleeve penetrates through and is fixed in the through holes, the support frame is installed on one side of the calipers through the elastic shaft sleeve, axial guide posts are installed inside the elastic shaft sleeve, one ends of the guide posts penetrate into the inner side of the elastic shaft sleeve, the other ends of the guide posts extend out of the outer side of the elastic shaft sleeve and are connected with the vertical left friction plate, the right friction plate is arranged between the support frame and the calipers, and the right friction plate can penetrate through the support frame and is in contact with the brake pad; brake block installs between support frame and left friction disc, calliper is kept away from be equipped with the dish spring frame on the terminal surface of right side friction disc, vertical eccentric orfice circle axle is installed to the upper end of dish spring frame, and eccentric orfice circle passes through eccentric orfice circle axle and installs on the dish spring frame, and eccentric orfice circle can wind eccentric orfice circle axle rotation, and eccentric orfice internally mounted has the dish spring, be close to on the calliper horizontal pore is seted up to the position of eccentric orfice, and horizontal push rod is installed in the pore, push rod and calliper can horizontal relative movement, the one end of push rod can with the contact of eccentric orfice circle, its other end can with right side friction disc contact, the outside of eccentric orfice is connected with the brake line.
In an optimized technical scheme, the support frame is a door-shaped support, the calipers are of a vertical axisymmetric structure, and two elastic shaft sleeves are symmetrically connected to two sides between the support frame and the calipers.
In a preferred technical scheme, the right friction plate is a stepped vertical block, the size of the left side part of the right friction plate is smaller than that of the right side part of the right friction plate, the left side part of the right friction plate can penetrate through the support frame to be in contact with the brake pad, and the right side part of the right friction plate cannot penetrate through the support frame.
In a preferred technical scheme, the guide posts comprise front guide posts extending into the inner side of the elastic shaft sleeve and rear guide posts extending out of the outer side of the elastic shaft sleeve.
In a preferred technical scheme, an L-shaped plate is arranged on the caliper, and the L-shaped plate surrounds the left friction plate and the inner side part of the left friction plate and plays a role in limiting the left friction plate.
In the preferred technical scheme, still include dish spring housing, dish spring housing fixes on dish spring frame, and there is dish spring housing hole at the top center of dish spring housing, and is connected with perpendicular decurrent dish spring axle, the dish spring passes through dish spring hub connection on dish spring housing, and the one end of dish spring is fixed the medial surface of eccentric circle, and the other end passes through dish spring axle and installs on dish spring housing.
In a preferred technical scheme, the brake cable penetrates through the disc spring cover and extends to the outer side of the disc spring cover.
A use method of a normally-locked eccentric circle self-locking brake device is realized according to any one of the normally-locked eccentric circle self-locking brake devices, during braking, an eccentric circle is driven to rotate around an eccentric hole circular shaft through a disc spring, a push rod is pushed by the eccentric circle to move towards a hole channel relative to calipers, the push rod pushes a right friction plate to move, the right friction plate and the brake plate can be subjected to a rightward axial force of the brake plate after being contacted, a support frame and the left friction plate can compress an elastic shaft sleeve rightwards along a guide column to enable the whole body to move rightwards, the left friction plate is close to the brake plate, the right friction plate is far away from the brake plate, automatic centering of the left friction plate and the right friction plate is realized, uneven stress on two sides of the brake plate is effectively avoided, and then the right friction plate and the left friction plate gradually lock the brake plate to realize braking; when the brake disc is unlocked, the brake cable is pulled, the brake cable drives the eccentric circle to rotate around the eccentric hole circular shaft, the eccentric circle is made to overcome the elasticity of the disc spring through tensioning the brake cable to rotate, the eccentric circle is separated from the push rod, and therefore positive pressure between the right friction disc and the left friction disc is released, and the brake process of the brake disc is unlocked.
The utility model has the beneficial effects that: the eccentric circle transmission mode is adopted, the self-locking function of the eccentric circle when the connecting line of the rotation center and the geometric center is vertical to the contact surface is fully utilized, the possibility that the hydraulic system cannot brake due to oil leakage is avoided, meanwhile, the disc spring and the eccentric circle are adopted for force transmission, the control of the spring force on the rotation of the eccentric circle is realized, and the high reliability of the normally-locked brake is realized by utilizing the self-locking function of the eccentric circle; meanwhile, the brake pad is fixed in position in the braking process, and other brake pads can slide left and right integrally along the guide columns, so that the friction plates on two sides in the braking process can move simultaneously, the stress on two sides of the brake pad is uniform in the whole braking process, the possibility that the brake pad is deformed due to the stress on one side when the friction plates move is avoided, the whole mechanism is simple in integral structure, the processing difficulty of parts is reduced, the processing cost is greatly reduced, and meanwhile, the spring force changes uniformly in the disc spring radius increasing process, and the brake disc spring is convenient to use.
Drawings
Fig. 1 is a schematic perspective view of an embodiment of the present invention.
Fig. 2 is an exploded view of the structure in an unlocked state of one embodiment of the present invention.
The numbers in the figures are as follows:
1. a disc spring cover; 2. a brake cable; 3. a connecting screw; 4. a disc spring housing hole; 5. an eccentric hole circular shaft; 6. a disc spring; 7. a disc spring shaft; 8. an eccentric circle; 9. a disc spring frame; 10. an elastic shaft sleeve; 11. a push rod; 12. a caliper; 13. a rear guide post; 14. a front guide post; 15. a right friction plate; 16. a support frame; 17. a brake pad; 18. A left friction plate; 19. an L-shaped plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention.
In the description of the present invention, it is to be understood that the terms "radial," "axial," "upper," "lower," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present invention and simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and thus are not to be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
As shown in fig. 1 and fig. 2, an embodiment of the present invention provides a normally-locked eccentric circle self-locking brake device, including an elastic shaft sleeve 10, a caliper 12, a right friction plate 15, a support frame 16, a brake pad 17, and a left friction plate 18, wherein the caliper 12 is provided with a transverse through hole, the elastic shaft sleeve 10 is fixed in the through hole in a penetrating manner, the elastic shaft sleeve 10 is a hollow sleeve made of any elastic material and capable of transversely extending and retracting, and may be fixedly connected with the inner side of the transverse through hole on the caliper 12 in any manner, for example, but not limited to, by means of gluing, snapping, riveting, and the like; a support frame 16 is arranged on the left side of the caliper 12 through an elastic shaft sleeve 10, an axial guide post is arranged in the elastic shaft sleeve 10, one end of the guide post extends into the inner side of the elastic shaft sleeve 10, the other end of the guide post extends out of the outer side of the elastic shaft sleeve 10 and is connected with a vertical left friction plate 18, a right friction plate 15 is arranged between the support frame 16 and the caliper 12, and the right friction plate 15 can penetrate through the support frame 16 and is in contact with a brake pad 17; brake block 17 installs between support frame 16 and left friction disc 18, calliper 12 keeps away from be equipped with the dish spring frame 9 of horizontal direction on the right side terminal surface of right side friction disc 15, vertical eccentric orfice circle axle 5 is installed to the upper end of dish spring frame 9, and eccentric circle 8 passes through eccentric orfice circle axle 5 to be installed on dish spring frame 9, and eccentric circle 8 can rotate around eccentric orfice circle axle 5, and 8 internally mounted of eccentric circle have dish spring 6, calliper 12 is last to be close to horizontal pore is seted up to the position of eccentric circle 8, and horizontal push rod 11 is installed in the pore, push rod 11 and calliper 12 can horizontal relative movement, the right-hand member of push rod 11 can with eccentric circle 8 contacts, its left end can with right side friction disc 15 contacts, the outside of eccentric circle 8 is connected with brake line 2.
The support frame 16 is installed on the caliper 12 through the elastic shaft sleeve 10, the support frame 16 can slide left and right along the telescopic direction of the elastic shaft sleeve 10, the brake pad 17 is installed between the right friction plate 15 and the left friction plate 18, the brake cable is loosened, the disc spring 6 rotates the eccentric circle 8 around the eccentric hole circular shaft 5 under the action of elastic force, the eccentric circle 8 is in contact with the push rod 11 to push the push rod 11 to move left, the push rod 11 pushes the right friction plate 15 to move left, the right friction plate 15 and the brake pad 17 are in contact and then receive the right axial force of the brake pad, the support frame 16 and the left friction plate 18 can compress the elastic shaft sleeve 10 to move right along the guide column, so that the whole body moves right, the left friction plate 18 is close to the brake pad 17, the right friction plate 15 is far away from the brake pad 17, the left friction plate 18 and the right friction plate 15 are automatically centered, the uneven force on the two sides of the brake pad is effectively avoided, and the right friction plate 15 and the left friction plate 18 gradually lock the brake pad 17, realizing braking; because the connecting line of the circle center of the eccentric circle 8 and the rotation center is parallel to the axis of the front guide column 14, namely is vertical to the contact end surface of the push rod 11 and the eccentric circle 8, the eccentric circle 8 is fixed and does not rotate, the whole device is self-locked, the brake pad is always locked under the condition of no external force, and the braking reliability of the device is ensured; when unlocking, the brake cable 2 is pulled, the brake cable 2 drives the eccentric circle 8 to rotate around the eccentric hole circular shaft 5, the eccentric circle 8 rotates by overcoming the elasticity of the disc spring 6 through tensioning the brake cable 2, the eccentric circle 8 is separated from the push rod 11, and therefore positive pressure between the right friction plate 15 and the left friction plate 18 is released, and further unlocking of the brake process of the brake pad 17 is achieved.
The utility model adopts an eccentric circle transmission mode, fully utilizes the self-locking function of the eccentric circle when the connecting line of the rotation center and the geometric center is vertical to the contact surface, avoids the possibility that the hydraulic system cannot brake due to oil leakage, simultaneously adopts the disc spring and the eccentric circle to transmit force, realizes the control of the spring force on the rotation of the eccentric circle, and realizes the high reliability of normal locking type braking by utilizing the self-locking function of the eccentric circle; meanwhile, the brake pad is fixed in position in the braking process, and other brake pads can slide left and right integrally along the guide columns, so that the friction plates on two sides in the braking process can move simultaneously, the stress on two sides of the brake pad is uniform in the whole braking process, the possibility that the brake pad is deformed due to the stress on one side when the friction plates move is avoided, the whole mechanism is simple in integral structure, the processing difficulty of parts is reduced, the processing cost is greatly reduced, and meanwhile, the spring force changes uniformly in the disc spring radius increasing process, and the brake disc spring is convenient to use.
The support frame 16 is used for supporting the automatic centering motion of the left friction plate 18 and the right friction plate 15, the support frame 16 can adopt any shape and mode suitable for achieving the purpose of the utility model, as a specific implementation mode of the utility model, the support frame 16 is a door-shaped support, the caliper 12 is in a vertical axial symmetry structure, specifically, the caliper 12 is in a convex structure, two elastic shaft sleeves 10 are symmetrically connected to two sides of the bottom between the support frame 16 and the caliper 12, the support frame 16 can slide in a left-right balance mode along the stretching direction of the elastic shaft sleeves 10, the stress uniformity of two sides of a brake pad is further enhanced, and the overall reliability of the device is improved.
As a specific embodiment of the present invention, the right friction plate 15 is a stepped vertical block, the size of the left side part of which is smaller than that of the right side part and can pass through the support frame 16 to contact with the brake pad 17, and the right side part of which can not pass through the support frame 16; when the support frame 16 and the left friction plate 18 compress the elastic shaft sleeve 10 rightwards along the guide column, the left friction plate 18 is close to the brake pad 17, the right friction plate 15 is far away from the brake pad 17 along the left side part of the right friction plate, automatic centering of the left friction plate 18 and the right friction plate 15 is realized, and the right side part of the right friction plate 15 plays a limiting role; it should be understood that the right friction plate 15 may be provided in other shapes, and the utility model is applicable to the right friction plate 15 as long as the shape can match the shape of the support frame 16 to achieve the above purpose.
As a specific embodiment of the present invention, the guide posts include a front guide post 13 extending into the inner side of the elastic shaft sleeve 10 and a rear guide post 14 extending out of the outer side of the elastic shaft sleeve 10, and the front guide post 13 and the rear guide post 14 guide the movement of the support frame 16, the left friction plate 18 and the right friction plate 15.
In a specific embodiment of the present invention, the caliper 12 is provided with an L-shaped plate 19, and the L-shaped plate 19 surrounds the left friction plate 18 and its inner side member and serves to limit the left friction plate 18.
As a specific embodiment of the utility model, the disc spring cover further comprises a disc spring cover 1, the disc spring cover 1 is fixed on a disc spring frame 9 through a connecting screw 3, a central disc spring cover hole 4 is formed in the top of the disc spring cover 1, a vertically downward disc spring shaft 7 is connected through the central disc spring cover hole 4, the disc spring 6 is connected on the disc spring cover 1 through the disc spring shaft 7, one end of the disc spring 6 is fixed on the inner side surface of the eccentric circle 8, and the other end of the disc spring 6 is installed on the disc spring cover 1 through the disc spring shaft 7; it should be noted that the disc spring housing 1 is used for facilitating installation and protecting the disc spring 6, the eccentric circle 8 is installed inside the disc spring housing 1, the side surface of the disc spring housing 1, which is located on the eccentric circle 8 and close to the push rod 11, is in an open shape, and the disc spring housing 1 can be in any suitable shape.
As a specific implementation mode of the utility model, the brake cable 2 penetrates through the disc spring cover 1 and extends to the outer side of the disc spring cover 1, the brake cable 2 is pulled to move relative to the disc spring cover 1 in the unlocking process, because the brake cable 2 is fixedly connected to the eccentric circle 8, the brake cable 2 drives the eccentric circle 8 to rotate around the eccentric hole circular shaft 5, the eccentric circle 8 rotates by overcoming the elasticity of the disc spring 6 by tensioning the brake cable 2, the eccentric circle 8 is separated from the push rod 11, so that the positive pressure between the right friction plate 15 and the left friction plate 18 is released, and the unlocking of the brake process of the friction plate 18 is realized.
In a specific embodiment of the present invention, the push rod 11 includes a round rod portion capable of extending into a transverse hole of the caliper 12, and an outer end of the round rod portion is connected with a bolt portion for contacting and limiting the eccentric circle 8.
According to the application method of the normally-locked eccentric circle self-locking brake device, during braking, the disc spring 6 drives the eccentric circle 8 to rotate around the eccentric hole circular shaft 5, the eccentric circle 8 pushes the push rod 11 to move towards the hole channel relative to the caliper 12, the push rod 11 pushes the right friction plate 15 to move, after the right friction plate 15 and the brake plate 17 are contacted, the right axial force of the brake plate 17 is applied, the support frame 16 and the left friction plate 18 compress the elastic shaft sleeve 10 rightwards along the guide column, so that the whole body moves rightwards, the left friction plate 18 is close to the brake plate 17, the right friction plate 15 is far away from the brake plate 17, the left friction plate 18 and the right friction plate 15 are automatically centered, the situation that the force applied to the two sides of the brake plate is uneven is effectively avoided, and the brake plate 17 is gradually locked by the right friction plate 15 and the left friction plate 18, and braking is achieved; when unlocking, the brake cable 2 is pulled, the brake cable 2 drives the eccentric circle 8 to rotate around the eccentric hole circular shaft 5, the eccentric circle 8 rotates by overcoming the elasticity of the disc spring 6 through tensioning the brake cable 2, the eccentric circle 8 is separated from the push rod 11, and therefore positive pressure between the right friction plate 15 and the left friction plate 18 is released, and further unlocking of the brake process of the brake pad 17 is achieved.
Finally, it should be noted that: the above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (7)
1. The normally-locked eccentric circle self-locking brake device is characterized by comprising an elastic shaft sleeve (10), calipers (12), right friction plates (15), a support frame (16), brake blocks (17) and left friction plates (18), wherein transverse through holes are formed in the calipers (12), the elastic shaft sleeve (10) is fixedly penetrated in the through holes, the support frame (16) is installed on one side of the calipers (12) through the elastic shaft sleeve (10), an axial guide post is installed inside the elastic shaft sleeve (10), one end of the guide post extends into the inner side of the elastic shaft sleeve (10), the other end of the guide post extends out of the outer side of the elastic shaft sleeve (10) and is connected with the vertical left friction plates (18), a right friction plate (15) is arranged between the support frame (16) and the caliper (12), the right friction plate (15) can penetrate through the support frame (16) and is in contact with a brake pad (17); the brake block (17) is arranged between the support frame (16) and the left friction plate (18), a disc spring frame (9) is arranged on the end face, far away from the right friction plate (15), of the caliper (12), a vertical eccentric hole round shaft (5) is installed at the upper end of the disc spring frame (9), an eccentric circle (8) is installed on the disc spring frame (9) through the eccentric hole round shaft (5), the eccentric circle (8) can rotate around the eccentric hole round shaft (5), a disc spring (6) is installed inside the eccentric circle (8), a transverse pore canal is arranged on the caliper (12) close to the eccentric circle (8), a transverse push rod (11) is arranged in the pore canal, the push rod (11) and the caliper (12) can move transversely and relatively, one end of the push rod (11) can be contacted with the eccentric circle (8), the other end of the eccentric circle can be contacted with the right friction plate (15), and the outer side of the eccentric circle (8) is connected with a brake cable (2).
2. A normally-locked eccentric circular self-locking brake device according to claim 1, wherein said support frame (16) is a door-shaped bracket, said caliper (12) is a vertical axisymmetric structure, and two elastic bushings (10) are symmetrically connected to both sides between said support frame (16) and said caliper (12).
3. A normally locked eccentric circular self-locking type brake device according to claim 2, wherein said right friction plate (15) is a stepped vertical block whose left portion has a size smaller than that of the right portion and can pass through said support bracket (16) to be in contact with said brake pad (17), and whose right portion cannot pass through said support bracket (16).
4. A normally-locked eccentric circular self-locking type brake device according to claim 1, wherein the guide posts comprise a front guide post (13) extending into the inner side of the elastic tube housing (10) and a rear guide post (14) extending out of the outer side of the elastic tube housing (10).
5. A normally locked brake device of the eccentric circular self-locking type according to claim 1, wherein said caliper (12) is provided with an L-shaped plate (19), and said L-shaped plate (19) surrounds said left friction plate (18) and its inner side member and limits said left friction plate (18).
6. A normally-locked eccentric circle self-locking brake device according to claim 1, further comprising a disc spring cover (1), wherein the disc spring cover (1) is fixed on a disc spring frame (9), a disc spring cover hole (4) is formed in the center of the top of the disc spring cover (1), a disc spring shaft (7) which faces vertically downwards is connected through the disc spring cover hole (4), the disc spring (6) is connected to the disc spring cover (1) through the disc spring shaft (7), one end of the disc spring (6) is fixed on the inner side surface of the eccentric circle (8), and the other end of the disc spring (6) is installed on the disc spring cover (1) through the disc spring shaft (7).
7. A normally locked eccentric circular self-locking type brake device according to claim 6, wherein said brake cable (2) passes through the disc-reed housing (1) and extends to the outside of the disc-reed housing (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121648375.0U CN215890879U (en) | 2021-07-13 | 2021-07-13 | Normal locking type eccentric circle self-locking brake device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121648375.0U CN215890879U (en) | 2021-07-13 | 2021-07-13 | Normal locking type eccentric circle self-locking brake device |
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| Publication Number | Publication Date |
|---|---|
| CN215890879U true CN215890879U (en) | 2022-02-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121648375.0U Active CN215890879U (en) | 2021-07-13 | 2021-07-13 | Normal locking type eccentric circle self-locking brake device |
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| CN (1) | CN215890879U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112682444A (en) * | 2021-01-08 | 2021-04-20 | 承德石油高等专科学校 | Connecting rod type normally-locked disc brake device |
| CN113531008A (en) * | 2021-07-13 | 2021-10-22 | 承德石油高等专科学校 | Normally-locked eccentric circle self-locking brake device and using method thereof |
-
2021
- 2021-07-13 CN CN202121648375.0U patent/CN215890879U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112682444A (en) * | 2021-01-08 | 2021-04-20 | 承德石油高等专科学校 | Connecting rod type normally-locked disc brake device |
| CN112682444B (en) * | 2021-01-08 | 2023-03-03 | 承德石油高等专科学校 | Connecting rod type constant-locking disc brake device |
| CN113531008A (en) * | 2021-07-13 | 2021-10-22 | 承德石油高等专科学校 | Normally-locked eccentric circle self-locking brake device and using method thereof |
| CN113531008B (en) * | 2021-07-13 | 2024-05-14 | 承德石油高等专科学校 | Constant-locking eccentric circle self-locking brake device and application method thereof |
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Effective date of registration: 20240105 Address after: No. E1, Warehouse and Logistics Area, Beijing Industrial Park, Moyu County, Hotan Prefecture, Xinjiang Uygur Autonomous Region, 848000 Patentee after: Xinjiang Aili Horse Car Industry Co.,Ltd. Address before: 230000 floor 1, building 2, phase I, e-commerce Park, Jinggang Road, Shushan Economic Development Zone, Hefei City, Anhui Province Patentee before: Dragon totem Technology (Hefei) Co.,Ltd. Effective date of registration: 20240105 Address after: 230000 floor 1, building 2, phase I, e-commerce Park, Jinggang Road, Shushan Economic Development Zone, Hefei City, Anhui Province Patentee after: Dragon totem Technology (Hefei) Co.,Ltd. Address before: 067000 Department of mechanical engineering, Chengde Petroleum College, No. 2 Xueyuan Road, Chengde high tech Industrial Development Zone, Hebei Province Patentee before: Hebei Petroleum University of Technology |