Steel wire rope brake

Abstract

The utility model provides a steel wire rope brake which is composed of a brake seat, an upper brake frame, a lower brake frame, a linear driving device and an elastic reset device, one ends of the upper brake frame and the lower brake frame are respectively fixed with a brake caliper and are connected with the brake seat through a hinge shaft, and the other ends of the upper brake frame and the lower brake frame are hinged with a linear driving device to realize bidirectional driving; the elastic reset device is hinged between the two brake frames, and the brake caliper is closed through pre-tightening force. During normal operation, the linear driving device stretches the brake frame to separate the brake caliper, and the elastic reset device automatically triggers the brake caliper to clamp the steel wire rope during failure, so that a failure safety mechanism is realized. According to the structure, the characteristics of miniaturization and quick response are considered through parallel layout of hinge shafts and assembly linkage design.

Description

TECHNICAL FIELD

[0001] The utility model belongs to steel wire rope brake technical field, concretely relates to a caliper formula steel wire rope brake. BACKGROUND

[0002] The main steel wire rope traction equipment in coal mine includes endless rope continuous traction vehicle, overhead passenger device and rope traction monorail etc., these equipment is through steel wire rope traction operation, and the steel wire rope is driven to run through the driving device, when the driving device failure leads to the overspeed operation of the steel wire rope, needs through the steel wire rope brake to the brake of steel wire rope.

[0003] The existing steel wire rope brake mainly adopts the inclined wedge type steel wire rope brake, and the steel wire rope brake is realized by the steel wire rope of the main drive inclined wedge extrusion and the step-by-step compression of the steel wire rope.

[0004] However, the existing steel wire rope brake mainly has the following problems: first, the brake device adopted is a non-failure safety type structure, the brake of the steel wire rope is through the brake cylinder oil inlet to push the brake block, and the oil return is to release the brake, this structure cannot automatically execute the brake when the hydraulic system fails, and there is a safety hazard; second, the existing steel wire rope brake needs to provide a large brake force, and the installation space is limited. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a steel wire rope brake, solves the problems of the large volume of the existing steel wire rope, the limited installation space and the non-failure safety type structure.

[0006] The steel wire rope brake provided by the utility model comprises:

[0007] A brake seat is provided with a first hinge part and a second hinge part;

[0008] An upper brake frame and a lower brake frame are respectively provided with a first brake clamp and a second brake clamp at the first end; the upper brake frame is hinged with the first hinge part through a first hinge shaft, the lower brake frame is hinged with the second hinge part through a second hinge shaft, and the first hinge shaft and the second hinge shaft are vertically and parallelly arranged;

[0009] A linear driving device is hinged at the second end of the upper brake frame and the lower brake frame respectively, and is used for driving the first brake clamp and the second brake clamp to move away from each other;

[0010] An elastic reset device is hinged at the upper brake frame and the lower brake frame respectively, and the hinge points are located between the brake seat and the linear driving device, and are used for providing the pre-tightening force for moving the first brake clamp and the second brake clamp to move close to each other.

[0011] In a possible embodiment, the linear driving device is arranged as a hydraulic cylinder or a pneumatic cylinder.

[0012] In a possible embodiment, a wire rope groove is arranged on the opposite surface of the first brake caliper and the second brake caliper.

[0013] In a possible embodiment, the elastic reset device comprises a guide shaft, an upper guide sleeve and a lower guide sleeve arranged coaxially, the guide shaft is provided with a limiting baffle arranged in the middle of the shaft, and the limiting baffle separates the guide shaft into an upper guide section and a lower guide section.

[0014] The upper guide sleeve is fixedly connected to the upper brake frame, and the lower guide sleeve is fixedly connected to the lower brake frame.

[0015] The upper guide section is in sliding connection with the upper guide sleeve, and the lower guide section is in sliding connection with the lower guide sleeve.

[0016] A first elastic component is sleeved on the upper guide section between the limiting baffle and the upper guide sleeve.

[0017] A second elastic component is sleeved on the lower guide section between the limiting baffle and the lower guide sleeve.

[0018] In a possible embodiment, the first elastic component and the second elastic component are arranged as compression springs or disc spring assemblies.

[0019] In a possible embodiment, mounting plates are arranged on the upper brake frame and the lower brake frame respectively, and the upper guide sleeve and the lower guide sleeve are fixed on the corresponding mounting plates respectively.

[0020] In a possible embodiment, an anti-over-swing piece is fixedly arranged on the brake seat, and the anti-over-swing piece is used for preventing the over-swing of the chair on the wire rope.

[0021] The beneficial effects of the present application are as follows: the linear driving device is used in cooperation with the elastic reset device to control the opening and closing of the upper brake frame and the lower brake frame, so as to realize the braking and release of the wire rope brake and perform the braking action, the whole structure is small and compact, the hinge points of the upper brake frame and the lower brake frame with the brake seat are arranged in a vertical up-down manner, the elastic reset device is conveniently installed between the brake seat and the linear driving device, the braking stroke is small, and the braking force is large. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor.

[0023] Figure 1 is a perspective view of a steel wire rope brake provided by an embodiment of the present application.

[0024] Figure 2 is another perspective view of the steel wire rope brake from another angle provided by an embodiment of the present application.

[0025] Figure 3 is a schematic view of the steel wire rope brake without a linear drive device provided by an embodiment of the present application.

[0026] Figure 4 is a schematic view of a brake seat provided by an embodiment of the present application.

[0027] Figure 5 is a schematic view of a guide shaft provided by an embodiment of the present application.

[0028] Figure 6 is a schematic view of a first brake frame provided by an embodiment of the present application.

[0029] Figure 7 is a schematic view of a first brake clamp provided by an embodiment of the present application.

[0030] In the figure: 1, upper brake frame; 1a, third hinge part; 1b, fourth hinge part; 1c, fixed connection part; 2, linear drive device; 3, lower brake frame; 4, anti-over swing piece; 5, second brake clamp; 6, first brake clamp; 6a, mounting seat; 6b, brake block; 7, brake seat; 7a, first hinge part; 7b, second hinge part; 8, mounting plate; 9, guide shaft; 9a, upper guide section; 9b, limiting baffle; 9c, lower guide section; 10, first elastic member; 11, second elastic member; 12, upper guide sleeve; 13, lower guide sleeve; 14, steel wire rope. DETAILED DESCRIPTION

[0031] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme of the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are some of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application.

[0032] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "exemplary embodiment", "example", "specific example", or "some examples" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present application, the exemplary expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0033] Reference Figures 1-3 The present embodiment provides a steel wire rope brake, which comprises a brake seat 7, an upper brake frame 1, a lower brake frame 3, an elastic reset device and a linear driving device 2.

[0034] Reference Figure 4 The brake seat 7 is provided with a first hinge part 7a and a second hinge part 7b, and the two hinge parts are arranged in an up-down manner and are shaft sleeves fixed in the corresponding positions.

[0035] Reference Figure 1 , Figure 2 and Figure 4 In some embodiments, the first ends of the upper brake frame 1 and the lower brake frame 3 are respectively fixed with a first brake clamp 6 and a second brake clamp 5, and the first brake clamp 6 and the second brake clamp 5 are arranged oppositely when braking the steel wire rope. The first brake frame 1 is hinged with the first hinge part 7a through a first hinge shaft, the second brake frame 3 is hinged with the second hinge part 7b through a second hinge shaft, and the two hinge shafts are arranged in a vertical parallel manner.

[0036] Reference Figure 2 In some possible implementations, the two ends of the linear driving device 2 are respectively hinged with the second ends of the upper brake frame 1 and the lower brake frame 3, and the linear driving device 2 is used to drive the upper brake frame 1 and the lower brake frame 3 to rotate around the corresponding hinge points to make the first brake clamp 6 and the second brake clamp 5 move away from each other, so as to release the brake.

[0037] Reference Figure 3 In some examples, the elastic reset device is arranged between the brake seat 7 and the linear driving device 2, and the two ends of the elastic reset device are connected with the upper hinge frame 1 and the lower hinge frame 3. The elastic reset device is used to provide a pre-tightening force for the first brake clamp 6 and the second brake clamp 5 to move close to each other, so as to actively brake the steel wire rope 14.

[0038] In the present embodiment, when the device is normally operated, the linear driving device 2 controls the first brake clamp 6 and the second brake clamp 5 to keep the open state, and when the device fails, the linear driving device 2 does not work, at this time the elastic reset device controls the first brake clamp 6 and the second brake clamp 5 to keep the braking state of the steel wire rope.

[0039] Referring to Figure 2 , Figure 3 and Figure 5 , the elastic reset device comprises a guide shaft 9, an upper guide sleeve 12 and a lower guide sleeve 13 arranged coaxially, the guide shaft 9 comprises a limiting baffle 9b arranged in the middle of the shaft, which is used to separate the guide shaft 9 into an upper guide section 9a and a lower guide section 9c. The upper guide sleeve 12 is fixedly connected to the upper brake frame 1, and the lower guide sleeve 13 is fixedly connected to the lower brake frame 3. The upper guide section 9a is in sliding connection with the upper guide sleeve 12, and the lower guide section 9c is in sliding connection with the lower guide sleeve 13. A first elastic member 10 is sleeved on the upper guide section 9a between the limiting baffle 9b and the upper guide sleeve 13, and a second elastic member 11 is sleeved on the lower guide section 9c between the limiting baffle 9b and the lower guide sleeve.

[0040] Through the action of the first elastic member 10 and the second elastic member 11, the first brake jaw 6 and the second brake jaw 5 can be kept in the braking state, when the linear driving device 2 is started, the first elastic member 10 and the second elastic member 11 are contracted to store energy, and the upper guide section 9a and the lower guide section 9c slide in the corresponding upper guide sleeve 12 and lower guide sleeve 13.

[0041] In some possible embodiments, the first elastic assembly 10 and the second elastic assembly 11 can adopt compression springs or disc spring assemblies, and the present embodiment adopts a disc spring assembly.

[0042] In some possible embodiments, the linear driving device 2 is arranged as a hydraulic cylinder or an air cylinder. The present embodiment adopts a hydraulic cylinder, when the hydraulic cylinder is filled with oil, the first brake jaw 6 and the second brake jaw 5 are driven to open, and when the hydraulic cylinder is depressurized to return oil, the elastic reset device controls the first brake jaw 6 and the second brake jaw 5 to press the steel wire rope to brake.

[0043] Referring to Figure 6 , the upper brake frame 1 and the lower brake frame 3 are the same in structure and symmetrically arranged, and the upper brake frame 1 is taken as an example, which comprises a bending section and a straight section, a third hinge part 1a is arranged at the end of the bending section, the two ends of the linear driving device 2 are respectively hingedly connected to the corresponding third hinge parts through third hinge shafts, a fourth hinge part 1b and a fixed connection part 1c are arranged on the straight section, the fourth hinge part 1b of the upper brake frame 1 is matched with the first hinge part 7a on the brake seat 7 and connected through a first hinge shaft, and the corresponding position on the lower brake frame 3 is matched with the second hinge part 7b on the brake seat 7 and connected through a second hinge shaft. The first brake jaw 6 is fixedly installed on the fixed connection part 1c through a fixed shaft, and the specific fixing mode can be selected as a fixed screw or welding.

[0044] Referring to Figure 1In some embodiments, mounting plates 8 are arranged on the upper brake frame 1 and the lower brake frame 3 respectively, and the mounting plates 8 are fixed on the corresponding brake frame by screws, and the upper guide sleeve 12 and the lower guide sleeve 13 are mounted on the corresponding mounting plates 8.

[0045] With reference to Figure 7 The first brake jaw 6 and the second brake jaw 5 are identical in structure, and the first brake jaw 6 is taken as an example, which comprises a mounting seat 6a and a brake block 6b arranged at the bottom of the mounting seat, and a steel wire rope groove is arranged on the brake block 6b.

[0046] With reference to Figure 1 The anti-over swing piece 4 is fixedly arranged on the brake seat 7 and is arranged below the steel wire rope 14. In the embodiment, the steel wire rope blocking piece is a bent strip structure, which is arranged in a ring shape and has a certain elasticity, and is used for blocking the hanging chair running on the steel wire rope 14 to prevent the over swing of the hanging chair.

[0047] When the embodiment is used, in normal operation, the hydraulic cylinder is contracted by oil inlet, drives the upper brake frame 1 and the lower brake frame 3 to rotate around the hinge, makes the first brake jaw 6 and the second brake jaw 5 away from each other, and the steel wire rope 14 can move freely, and the disc spring assembly (the first elastic member 10 and the second elastic member 11) of the elastic return device is compressed and stored; in fault braking, the hydraulic cylinder is elongated by pressure relief, the disc spring assembly releases the elastic force, pushes the limiting baffle 9b of the guide shaft 9, and drives the brake jaw to clamp the steel wire rope 14; after the fault is eliminated, the hydraulic cylinder is re-oiled, the brake jaw is opened and reset, the disc spring assembly is stored again, and the equipment returns to normal operation.

[0048] It should be noted that: the above embodiments are only used to illustrate the technical solutions of the utility model, but not to limit them; although the utility model has been described in detail with reference to the above embodiments, those skilled in the art should understand that: the technical solutions recorded in the above embodiments can still be modified, or part or all of the technical solutions can be modified, or part or all of the technical features can be replaced; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the utility model.

Claims

1. A steel cable brake, characterized by The application relates to a steel wire rope lifting device, which comprises the following parts: a brake seat, which is provided with a first hinge part and a second hinge part; an upper brake frame and a lower brake frame, the first ends of the upper brake frame and the lower brake frame are respectively fixedly provided with a first brake clamp and a second brake clamp; the upper brake frame is hingedly connected with the first hinge part through a first hinge shaft, the lower brake frame is hingedly connected with the second hinge part through a second hinge shaft, and the first hinge shaft and the second hinge shaft are vertically and parallelly arranged; a linear driving device, which is hingedly connected with the second ends of the upper brake frame and the lower brake frame, and is used for driving the first brake clamp and the second brake clamp to move away from each other; an elastic reset device, which is hingedly connected with the upper brake frame and the lower brake frame at two ends and the hinge points are located between the brake seat and the linear driving device, and is used for providing a pre-tightening force for moving the first brake clamp and the second brake clamp to move close to each other.

2. A steel cable brake as claimed in claim 1, characterized in that The linear driving device is arranged as a hydraulic oil cylinder or a gas cylinder.

3. The steel cable brake of claim 1, wherein, The opposite surfaces of the first brake clamp and the second brake clamp are provided with steel wire rope grooves.

4. The steel cable brake of claim 1, wherein, The elastic reset device comprises coaxially arranged guide shafts, an upper guide sleeve and a lower guide sleeve, the guide shafts are provided with limiting baffles arranged in the middle of the shafts, and the limiting baffles divide the guide shafts into upper guide sections and lower guide sections; the upper guide sleeve is fixedly connected with the upper brake frame, and the lower guide sleeve is fixedly connected with the lower brake frame; the upper guide sections are slidably connected with the upper guide sleeve, and the lower guide sections are slidably connected with the lower guide sleeve; a first elastic component is arranged on the upper guide sections between the limiting baffles and the upper guide sleeve; a second elastic component is arranged on the lower guide sections between the limiting baffles and the lower guide sleeve.

5. The steel cable brake of claim 4, wherein, The first elastic component and the second elastic component are arranged as compression springs or disc spring components.

6. The steel cable brake of claim 4, wherein, Mounting plates are arranged on the upper brake frame and the lower brake frame respectively, and the upper guide sleeve and the lower guide sleeve are fixedly arranged on the corresponding mounting plates.

7. The steel cable brake of claim 1, wherein, Anti-over-swing parts are fixedly arranged on the brake seat, and the anti-over-swing parts are used for preventing the over-swing of a hanging chair transported on a steel wire rope.

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