Failure protection caliper disc brake

Abstract

The failure protection caliper disc brake comprises a base and a caliper disc, the caliper disc is rotationally installed on the base through a first pin shaft, an adjusting structure is installed on the caliper disc, and the adjusting structure comprises a brake shoe, a brake lining, a rotating shaft, an arc-shaped groove, a threaded hole, a threaded rod, a cylinder and a bearing; the brake lining is installed on the brake shoe, the rotating shaft is installed in a hole in the brake shoe, the two arc-shaped grooves are formed in the caliper disc, and the arc-shaped grooves are symmetrically distributed on the two sides with the center line of the rotating shaft as the center. The threaded rod is rotated to move back and forth in the threaded hole, the threaded rod rotates on the cylinder through the bearing, the cylinder drives the brake shoe to move back and forth along the arc-shaped groove through the rotating shaft, the brake shoe drives the brake lining to move inwards or outwards, and the abraded brake lining can be adjusted to be in an attached state aiming at a braked object. And the situation that the brake lining is thinned and the brake is not tight is avoided.

Description

Technical Field

[0001] This patent relates to the field of fail-safe caliper disc brakes, and more specifically to a fail-safe caliper disc brake. Background Art

[0002] The fail-safe caliper disc brake is a commonly used brake, which is widely used in coal mine monkey cars, cable cars and other equipment. After being used for a period of time, the fail-safe caliper disc brake in the prior art will experience loose braking and lag due to wear of the brake pads. The cylinder is extended and retracted to tighten the brake lining, but due to the arc movement of the brake lining, the brake lining is only clamped in the middle position, resulting in the problem of loose braking. Utility Model Content

[0003] In view of the deficiencies in the prior art, the purpose of this patent is to provide a fail-safe caliper disc brake.

[0004] The technical solution adopted by this patent to solve its technical problem is: a fail-safe caliper disc brake, including a base and a caliper disc, the caliper disc is rotatably mounted on the base through a first pin shaft, an adjustment structure is installed on the caliper disc, and the adjustment structure includes a brake shoe, a brake lining, a rotating shaft, an arc groove, a threaded hole, a threaded rod, a cylinder and a bearing;

[0005] The brake lining is installed on the brake shoe, the rotating shaft is installed in the hole on the brake shoe, the arc groove is opened on the caliper disc, the number of the arc grooves is two, the arc grooves are symmetrically distributed on both sides with the center line of the rotating shaft as the center, the two sides of the rotating shaft are respectively placed in the arc grooves, the end of the brake shoe is placed in the groove on one side of the caliper disc, the threaded hole is opened in the groove on one side of the caliper disc, the threaded rod is sleeved in the threaded hole, the cylinder is installed on the brake shoe, the outer ring of the bearing is installed in the cylinder, and the threaded rod is installed in the inner ring of the bearing.

[0006] Further, the rotating shaft includes a first circular plate, a circular shaft, a second circular plate, a screw, a threaded port and a hexagonal hole;

[0007] The round shaft is installed on the first round plate, the screw is installed on the second round plate, the threaded opening is opened on the round shaft, the hexagonal hole is opened on the second round plate, the round shaft is placed in the hole on the brake shoe, the screw is sleeved in the threaded opening, the first round plate is placed in the arc groove, and the second round plate is placed in the arc groove.

[0008] Furthermore, an arc-shaped sliding block is installed on the cylinder, an arc-shaped sliding groove is opened on the brake shoe, and the arc-shaped sliding block is slidably engaged in the arc-shaped sliding groove.

[0009] Furthermore, an oil cylinder is arranged in the groove on the other side of the clamp disc, and the output end of the oil cylinder is rotatably connected to the groove on the other side of the clamp disc through a second pin shaft.

[0010] Furthermore, the base is provided with two mounting holes, which are symmetrically distributed on both sides with the midline of the base as the center.

[0011] Furthermore, a handle is installed on the threaded rod, and anti-skid grooves are provided on the handle. The number of the anti-skid grooves is not less than eight, and the anti-skid grooves are distributed in a circular shape and at equal intervals on the handle.

[0012] The beneficial effects of this patent are:

[0013] The threaded rod is rotated to move back and forth in the threaded hole, and the threaded rod rotates on the cylinder through the bearing, so that the cylinder drives the brake shoe to move back and forth along the arc groove through the rotating shaft, and the brake shoe drives the brake lining to move inward or outward, so that the worn brake lining can be adjusted to a fitting state according to the braked object, avoiding the situation of loose braking due to thin brake lining. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the patent structure.

[0015] Figure 2 It is a schematic diagram of the brake shoe, brake lining and rotating shaft structure of this patent.

[0016] Figure 3 This is a schematic diagram of the second circular plate, screw and hexagonal hole structure of this patent.

[0017] Explanation of the accompanying drawings: 1 base, 2 mounting hole, 3 caliper, 4 adjustment structure, 401 brake shoe, 402 brake lining, 403 rotating shaft, 404 arc groove, 405 threaded hole, 406 threaded rod, 407 cylinder, 408 bearing, 5 first pin shaft, 6 cylinder, 7 second pin shaft, 8 arc-shaped slider, 9 arc-shaped slide groove, 10 handle, 11 anti-slip groove, 12 first circular plate, 13 circular shaft, 14 second circular plate, 15 screw, 16 threaded mouth, 17 hexagonal hole. DETAILED DESCRIPTION

[0018] The present invention is further described below in conjunction with specific embodiments. It should be understood that these embodiments are only used to illustrate the present invention and are not used to limit the scope of the present invention. In addition, it should be understood that after reading the contents of the present invention, those skilled in the art can make various changes or modifications to the present invention, and these equivalent forms also fall within the scope defined by the claims attached to the application.

[0019] See also Figure 1-3This is a schematic diagram of the structure of the patent, a fail-safe caliper disc brake, including a base 1 and a caliper disc 3, the caliper disc 3 is rotatably mounted on the base 1 through a first pin 5, an adjustment structure 4 is mounted on the caliper disc 3, and the adjustment structure 4 includes a brake shoe 401, a brake lining 402, a rotating shaft 403, an arc groove 404, a threaded hole 405, a threaded rod 406, a cylinder 407 and a bearing 408;

[0020] The brake lining 402 is mounted on the brake shoe 401, the rotating shaft 403 is mounted in the hole on the brake shoe 401, the arc groove 404 is opened on the caliper 3, the number of the arc groove 404 is two, the arc groove 404 is symmetrically distributed on both sides with the center line of the rotating shaft 403 as the center, the two sides of the rotating shaft 403 are respectively placed in the arc groove 404, the end of the brake shoe 401 is placed in the groove on one side of the caliper 3, the threaded hole 405 is opened in the groove on one side of the caliper 3, the threaded rod 406 is sleeved in the threaded hole 405, the cylinder 407 is installed on the brake shoe 401, and the bearing 408 The outer ring is installed in the cylinder 407, and the threaded rod 406 is installed in the inner ring of the bearing 408. The threaded rod 406 is rotated to move back and forth in the threaded hole 405, and the threaded rod 406 rotates on the cylinder 407 through the bearing 408, so that the cylinder 407 drives the brake shoe 401 to move back and forth along the arc groove 404 through the rotating shaft 403, so that the brake shoe 401 drives the brake lining 402 to move inward or outward, so that the worn brake lining 402 can be adjusted to a fitting state according to the braked object, avoiding the situation of loose braking due to the thinning of the brake lining 402.

[0021] The rotating shaft 403 includes a first circular plate 12, a circular shaft 13, a second circular plate 14, a screw 15, a threaded opening 16 and a hexagonal hole 17;

[0022] The circular shaft 13 is installed on the first circular plate 12, the screw 15 is installed on the second circular plate 14, the threaded opening 16 is opened on the circular shaft 13, and the hexagonal hole 17 is opened on the second circular plate 14. The circular shaft 13 is placed in the hole on the brake shoe 401, the screw 15 is sleeved in the threaded opening 16, the first circular plate 12 is placed in the arc groove 404, the second circular plate 14 is placed in the arc groove 404, the first circular plate 12 is the same size as the second circular plate 14, the diameter of the first circular plate 12 is the same as the diameter of the center point of the arc groove 404, the brake shoe 401 is inserted into the groove of the caliper 3, the first circular plate 12 drives the circular shaft 13 to extend into the hole on the brake shoe 401, and the first circular plate 12 is placed in the arc groove 404, and an external hexagonal wrench is inserted into the hexagonal hole 17, the screw 15 on the second circular plate 14 is turned and screwed into the threaded opening 16, and the second circular plate 14 is placed in the arc groove 404.

[0023] An arc-shaped slider 8 is installed on the cylinder 407 , and an arc-shaped slide groove 9 is opened on the brake shoe 401 . The arc-shaped slider 8 is slidably engaged in the arc-shaped slide groove 9 , and the arc-shaped slide groove 9 on the brake shoe 401 slides along the arc-shaped slider 8 on the shaft cylinder 407 .

[0024] An oil cylinder 6 is arranged in the groove on the other side of the caliper disc 3. The oil cylinder 6 is a hydraulic oil cylinder. The output end of the oil cylinder 6 is rotatably connected to the groove on the other side of the caliper disc 3 through the second pin shaft 7. The output end of the oil cylinder 6 is pushed forward, and the output end of the oil cylinder moves on the caliper disc 3 through the second pin shaft 7, so that the caliper disc 3 rotates inward on the base 1 through the first pin shaft 5 (only a part of the failure protection caliper disc brake is drawn in the attached figure, and the other part is included in the actual use process).

[0025] The base 1 is provided with two mounting holes 2, which are symmetrically distributed on both sides with the center line of the base 1 as the center. The mounting holes 2 facilitate the base 1 to be installed at a designated position.

[0026] A handle 10 is installed on the threaded rod 406, and an anti-skid groove 11 is opened on the handle 10. The number of the anti-skid grooves 11 is not less than eight, and the anti-skid grooves 11 are distributed on the handle 10 in a circular shape and equidistantly. Rotating the handle 10 drives the threaded rod 406 to rotate, and the anti-skid grooves 11 increase the friction between the handle 10 and the handle 10 to prevent the handle from slipping.

[0027] When the present invention is working, the base 1 can be installed at the designated position manually through the installation hole 2, the brake shoe 401 is inserted into the groove of the caliper 3, the first circular plate 12 drives the circular shaft 13 to extend into the hole on the brake shoe 401, and the first circular plate 12 is placed in the arc groove 404, and an external hexagonal wrench is inserted into the hexagonal hole 17, and the screw 15 on the second circular plate 14 is turned and screwed into the threaded opening 16, so that the second circular plate 14 is placed in the arc groove 404, and the handle 10 is turned to drive the threaded rod 406 to rotate, and the threaded rod 406 moves back and forth in the threaded hole 405, and the threaded rod 406 rotates on the cylinder 407 through the bearing 408, so that the cylinder 407 drives the brake shoe 401 through the circular shaft through the cooperation between the arc groove 9 and the arc slider 8 13. The first circular plate 12 and the second circular plate 14 cooperate with each other to move forward and backward along the arc groove 404, so that the brake shoe 401 drives the brake lining 402 to move inward or outward, so that the worn brake lining 402 can be adjusted to a fitting state with respect to the braked object, avoiding the situation of loose braking due to the wear of the brake lining 402. During operation, the output end of the cylinder 6 is pushed forward, and the output end of the cylinder 6 moves on the caliper disc 3 through the second pin shaft 7, so that the caliper disc 3 rotates inward on the base 1 through the first pin shaft 5, and the brake lining 402 on the brake shoe 401 contacts the braked object, and the brake shoe 401 moves on the caliper disc 3 through the rotating shaft 403, and the arc groove 97 on the brake shoe 401 installs the arc slider 8 to slide.

[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A fail-safe caliper disc brake, comprising a base (1) and a caliper disc (3), characterized in that: The caliper disc (3) is rotatably mounted on the base (1) via a first pin shaft (5); an adjustment structure (4) is mounted on the caliper disc (3); the adjustment structure (4) comprises a brake shoe (401), a brake lining (402), a rotating shaft (403), an arc groove (404), a threaded hole (405), a threaded rod (406), a cylinder (407) and a bearing (408); The brake lining (402) is mounted on the brake shoe (401), the rotating shaft (403) is mounted in the hole on the brake shoe (401), the arc groove (404) is opened on the caliper disc (3), the number of the arc grooves (404) is two, the arc grooves (404) are symmetrically distributed on both sides with the center line of the rotating shaft (403) as the center, the two sides of the rotating shaft (403) are respectively placed in the arc grooves (404), the end of the brake shoe (401) is placed in the groove on one side of the caliper disc (3), the threaded hole (405) is opened in the groove on one side of the caliper disc (3), the threaded rod (406) is sleeved in the threaded hole (405), the cylinder (407) is mounted on the brake shoe (401), the outer ring of the bearing (408) is mounted in the cylinder (407), and the threaded rod (406) is mounted in the inner ring of the bearing (408).

2. A fail-safe caliper disc brake according to claim 1, characterized in that: The rotating shaft (403) comprises a first circular plate (12), a circular shaft (13), a second circular plate (14), a screw (15), a threaded opening (16) and a hexagonal hole (17); The circular shaft (13) is mounted on the first circular plate (12), the screw (15) is mounted on the second circular plate (14), the threaded opening (16) is formed on the circular shaft (13), the hexagonal hole (17) is formed on the second circular plate (14), the circular shaft (13) is placed in a hole on the brake shoe (401), the screw (15) is sleeved in the threaded opening (16), the first circular plate (12) is placed in an arc groove (404), and the second circular plate (14) is placed in the arc groove (404).

3. A fail-safe caliper disc brake according to claim 1, characterized in that: An arc-shaped slide block (8) is mounted on the cylinder (407), an arc-shaped slide groove (9) is provided on the brake shoe (401), and the arc-shaped slide block (8) is slidably engaged in the arc-shaped slide groove (9).

4. A fail-safe caliper disc brake according to claim 1, characterized in that: An oil cylinder (6) is arranged in the groove on the other side of the clamp disc (3), and an output end of the oil cylinder (6) is rotatably connected to the groove on the other side of the clamp disc (3) via a second pin shaft (7).

5. The fail-safe caliper disc brake according to claim 1, characterized in that: The base (1) is provided with mounting holes (2), the number of the mounting holes (2) is two, and the mounting holes (2) are symmetrically distributed on both sides with the midline of the base (1) as the center.

6. A fail-safe caliper disc brake according to claim 1, characterized in that: A handle (10) is mounted on the threaded rod (406), and anti-slip grooves (11) are provided on the handle (10). The number of the anti-slip grooves (11) is not less than eight, and the anti-slip grooves (11) are distributed in an annular shape and at equal intervals on the handle (10).

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