CN214570361U

CN214570361U - Tail end braking device for winch

Info

Publication number: CN214570361U
Application number: CN202120774259.7U
Authority: CN
Inventors: 张钧
Original assignee: Xuzhou Guangyuan Guoteng Mining Equipment Manufacturing Co ltd
Current assignee: Xuzhou Guangyuan Guoteng Mining Equipment Manufacturing Co ltd
Priority date: 2021-04-15
Filing date: 2021-04-15
Publication date: 2021-11-02
Anticipated expiration: 2031-04-15

Abstract

The utility model discloses a terminal arresting gear for winch belongs to winch technical field, and it includes: a base; the two arc plates are symmetrically fixed on the top surface of the base; the braking mechanisms are arranged in the circumferential direction of each arc-shaped plate at intervals; the utility model discloses a brake equipment is including two brake pads, two swing arm groups, two center blocks and a telescopic pneumatic cylinder, the equal swing joint in both ends of telescopic pneumatic cylinder has the swing arm group, the swing arm group includes two swing arms that are parallel to each other, is located one side of swing arm group is provided with the center block fixed with the arc, the one end swing joint that telescopic pneumatic cylinder was kept away from to the swing arm group has the brake pad, the utility model discloses a setting of two sets of arcs can carry out centre gripping simultaneously to the plectane of roller both sides, and stability is good, and braking effect is good moreover.

Description

Tail end braking device for winch

Technical Field

The utility model belongs to the technical field of the winch, concretely relates to terminal arresting gear for winch.

Background

The haulage winch is mainly suitable for auxiliary transportation work such as removal of fully mechanized mining equipment and various electromechanical equipment on an underground coal mining working surface of a coal mine, can also be used for mine car scheduling, material transportation and the like on the underground coal mining working surface of the coal mine, a shaft bottom parking lot, a mountain climbing and descending, the ground of the coal mine and the like, and can also be used for metal mine and ground rail transportation.

The winch is when taking place unusually, for example when common power failure, because the load is big, the cylinder can rotate fast under the pulling of heavy object, and the heavy object can constantly descend with higher speed this moment, and then causes the incident, and current winch braking effect is poor, brakes one side of cylinder usually, and stability is relatively poor, for this reason, the utility model provides a terminal arresting gear for winch.

SUMMERY OF THE UTILITY MODEL

For solving the defects of the prior art, the utility model aims to provide a terminal braking device for winch solves the technical problem of poor braking effect of the winch in the prior art

In order to achieve the above object, the utility model adopts the following technical scheme:

the tail end braking device for the winch comprises a base, two arc-shaped plates and a braking mechanism, wherein the two arc-shaped plates are symmetrically fixed on the top surface of the base;

a plurality of braking mechanisms are arranged at intervals in the circumferential direction of each arc-shaped plate;

the brake mechanism comprises two brake pads, two swing arm groups, two center blocks and a telescopic hydraulic cylinder, wherein the two ends of the telescopic hydraulic cylinder are movably connected with the swing arm groups, each swing arm group comprises two swing arms parallel to each other and is located one side of each swing arm group is provided with the center block fixed with the arc plate, and one end of each swing arm group, far away from the telescopic hydraulic cylinder, is movably connected with the brake pads.

Preferably, the swing arms are S-shaped structures, and two braking mechanisms are arranged on the same arc-shaped plate.

Preferably, the telescopic hydraulic cylinder comprises a cylinder body, a piston is movably and hermetically arranged in the cylinder body, a piston rod is fixed on one side of the piston, one end of the piston rod movably and hermetically extends to the outside of the cylinder body, a spring is fixed on one side, away from the piston rod, of the piston, and an oil injection joint is arranged on one side, away from the spring, of the cylinder body.

Preferably, a connecting plate is fixed at one end, far away from the piston, of the spring, a lead screw is rotatably connected to one side, far away from the spring, of the connecting plate, and one end of the lead screw extends to the outside of the cylinder body and is in threaded connection with the cylinder body.

Preferably, a handle is fixed at one end, far away from the connecting plate, of the screw rod.

Preferably, a positioning rod is movably penetrated through the connecting plate, and one end of the positioning rod is fixed on the inner wall of the cylinder body.

The utility model discloses the beneficial effect who reaches: the setting of two sets of arcs can carry out centre gripping simultaneously to the plectane of cylinder both sides, and stability is good, and braking effect is good moreover.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is a right side view of the present invention.

Fig. 3 is a top view of the swing arm of the present invention;

fig. 4 is a sectional view of the telescopic hydraulic cylinder of the present invention.

The meaning of the reference symbols in the figures: a base 1; an arc-shaped plate 2; a brake mechanism 3; a brake pad 301; a center block 302; a swing arm 303; a telescoping hydraulic cylinder 304.

Detailed Description

The present invention will be further described with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.

As shown in fig. 1-4, the embodiment discloses a tail end braking device for a winch, which comprises a base 1 and arc plates 2, wherein when in use, the base 1 is fixed on the winch, and the two arc plates 2 are symmetrically fixed on the top surface of the base 1; the braking mechanisms 3 are arranged on the arc plates 2 at intervals along the circumferential direction, and when the braking mechanisms 3 are used, the braking mechanisms 3 are clamped on the circular plates of the winch; the brake mechanism 3 comprises two brake pads 301, two swing arm groups, two center blocks 302 and a telescopic hydraulic cylinder 304, wherein the two ends of the telescopic hydraulic cylinder 304 are movably connected with the swing arm groups, each swing arm group comprises two swing arms 303 parallel to each other, one side of each swing arm group is provided with the center block 302 fixed with the arc plate 2, and one end of each swing arm group far away from the telescopic hydraulic cylinder 304 is movably connected with the brake pad 301.

As shown in fig. 1 and 3, in the embodiment of the present invention, the swing arm 303 has an S-shaped structure, which facilitates the swing of the swing arm 303 around the center block 302.

As shown in fig. 2, in the embodiment of the present invention, two braking mechanisms 3 are provided on the same arc plate 2, so that the cost can be effectively controlled and the braking effect can be better.

As shown in fig. 4, as a specific embodiment of the present invention, the telescopic hydraulic cylinder 304 includes a cylinder body 3041, the internal movable seal of the cylinder body 3041 is provided with a piston 3044, one side of the piston 3044 is fixed with a piston rod 3042, one end movable seal of the piston rod 3042 extends to the outside of the cylinder body 3041, one side of the piston 3044 away from the piston rod 3042 is fixed with a spring 3045, one side of the cylinder body 3041 away from the spring 3045 is provided with an oil injection joint 3043, when the spring 3045 is in an initial state, and when no hydraulic oil is injected into the cylinder body 3041, the piston rod 3042 is in an extended state, at this time, the brake pad 301 is clamped on the circular plates at both sides of the roller, so as to realize braking, after the hydraulic oil is injected, the piston 3044 is pushed to extrude the spring 3045, at this time, the piston rod 3042 is retracted, and further, the swing arm 303 is driven to rotate, so as to realize the expansion of the brake pad 301, and the circular plates at both sides of the roller are not clamped.

As shown in fig. 4, as a specific embodiment, a connecting plate 3046 is fixed at an end of the spring 3045 away from the piston 3044, a lead screw 3047 is rotatably connected to a side of the connecting plate 3046 away from the spring 3045, an end of the lead screw 3047 extends to the outside of the cylinder 3041 and is in threaded connection with the cylinder 3041, a handle 3048 is fixed at an end of the lead screw 3047 away from the connecting plate 3046, a positioning rod 3049 movably penetrates through the connecting plate 3046, and an end of the positioning rod 3049 is fixed on an inner wall of the cylinder 3041, when an initial position of the spring 3045 needs to be adjusted, that is, when a clamping force of the brake pad 301 in an initial state needs to be adjusted, only the lead screw 3047 needs to be rotated to adjust a position of the connecting plate 3046, and thus, an elastic force of the spring 3045 is adjusted.

The utility model discloses in, be in initial condition when spring 3045, and when cylinder body 3041 is inside not to inject hydraulic oil, piston rod 3042 is in the extension state, brake block 301 centre gripping is on the plectane of cylinder both sides this moment, realize the braking, after injecting hydraulic oil, hydraulic oil promotes piston 3044 extrusion spring 3045, piston rod 3042 shrink this moment, and then drive swing arm 303 and rotate, realize that brake block 301 opens, do not carry out the centre gripping to the plectane of cylinder both sides, two sets of arc 2's setting, can carry out centre gripping simultaneously to the plectane of cylinder both sides, good stability, and braking effect is good.

The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. The tail end braking device for the winch is characterized by comprising a base (1), two arc-shaped plates (2) and a braking mechanism (3), wherein the two arc-shaped plates (2) are symmetrically fixed on the top surface of the base (1);

a plurality of braking mechanisms (3) are arranged at intervals in the circumferential direction of each arc-shaped plate (2);

brake mechanism (3) include two brake pads (301), two swing arm groups, two center block (302) and a telescopic hydraulic cylinder (304), the equal swing joint in both ends of telescopic hydraulic cylinder (304) has the swing arm group, the swing arm group includes two swing arms (303) that are parallel to each other, is located one side of swing arm group is provided with center block (302) fixed with arc (2), the one end swing joint that telescopic hydraulic cylinder (304) were kept away from to the swing arm group has brake pad (301).

2. An end braking device for winches as claimed in claim 1, characterised in that said oscillating arm (303) is of S-shaped configuration, with two braking mechanisms (3) being provided on the same arc (2).

3. The tail end braking device for the winch according to claim 1, wherein the telescopic hydraulic cylinder (304) comprises a cylinder body (3041), a piston (3044) is movably and hermetically arranged inside the cylinder body (3041), a piston rod (3042) is fixed on one side of the piston (3044), one end of the piston rod (3042) movably and hermetically extends to the outside of the cylinder body (3041), a spring (3045) is fixed on one side of the piston (3044) far away from the piston rod (3042), and an oil injection joint (3043) is arranged on one side of the cylinder body (3041) far away from the spring (3045).

4. The end braking device for the winch according to claim 3, wherein a connecting plate (3046) is fixed at one end of the spring (3045) far away from the piston (3044), a screw rod (3047) is rotatably connected to one side of the connecting plate (3046) far away from the spring (3045), and one end of the screw rod (3047) extends to the outside of the cylinder body (3041) and is in threaded connection with the cylinder body (3041).

5. An end stop for a winch according to claim 4, characterised in that a handle (3048) is secured to the end of the screw (3047) remote from the attachment plate (3046).

6. The end braking device for the winch according to claim 4, wherein a positioning rod (3049) is movably inserted through the connecting plate (3046), and one end of the positioning rod (3049) is fixed on the inner wall of the cylinder body (3041).