Guide wheel with brake structure

Abstract

The guide wheel with the brake structure comprises an installation frame and a wheel body, a supporting shaft is installed on the inner wall of the installation frame, the outer wall of the supporting shaft is sleeved with the wheel body, a rope is arranged on the outer wall of the wheel body, a supporting frame is installed on the inner wall of the installation frame, and a telescopic sleeve is installed at the bottom of the supporting frame. The bottom end of the telescopic sleeve is connected with an outer ring, a first electric push rod is installed on the inner wall of the outer ring, and the output end of the first electric push rod is connected with an inner brake ring. By installing the inner brake rings, when the wheel body is braked, the two sets of inner brake rings move to clamp a rope, the purpose of braking the rope is achieved, when the rope has the trend of continuing to move downwards after being braked, buffering is provided for the outer ring through the outer barrel, the inner rod, the spring and the damper, and therefore the rope can be braked. Therefore, buffering is provided for the rope, large impact caused by sudden brake of the guide wheel and sudden brake of the rope can be reduced, and the use safety of the guide wheel is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of guide wheels, in particular to a guide wheel with brake structure. BACKGROUND

[0002] The guide wheel is used for guiding the direction of soft linear objects such as soft pipes, steel wires and nylon ropes during movement, and has a pulley structure. In some projects or products, the guide wheel can save labor. However, the existing guide wheel is difficult to provide brake assistance to the objects such as steel wire ropes on the outer side of the guide wheel in the event of an accident, so that the objects on the outer wall of the guide wheel have a tendency to move after the brake of the guide wheel itself is activated, and it is difficult to reduce the large impact force generated when the brake is suddenly applied, thereby reducing the use safety of the guide wheel.

[0003] Patent document CN213598537U discloses a guide wheel structure for reducing vibration, which mainly solves the technical problem of avoiding the vibration of the wheel body during high-speed rotation from causing the steel wire or nylon rope to fall off. However, it does not consider how to reduce the tendency of the objects on the outer wall of the guide wheel to move and the impact force generated by the brake of the guide wheel. SUMMARY

[0004] The utility model aims to provide a guide wheel with brake structure to solve the technical problem of reducing the tendency of the objects on the outer wall of the existing guide wheel to move and the impact force generated by the brake of the guide wheel as mentioned in the background.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a guide wheel with brake structure, comprising a mounting frame and a wheel body, a support shaft is installed on the inner wall of the mounting frame, the wheel body is sleeved on the outer wall of the support shaft, a rope is arranged on the outer wall of the wheel body, and the wheel body is used for guiding the rope;

[0006] A support frame is installed on the inner wall of the mounting frame, the support frame is located below the wheel body, the rope penetrates through the inner wall of the support frame, an extension sleeve is installed at the bottom of the support frame, an outer ring is connected to the bottom end of the extension sleeve, an electric push rod one is installed on the inner wall of the outer ring, an inner brake ring is connected to the output end of the electric push rod one, a guide rod is installed on the inner wall of the outer ring, the guide rod penetrates through the outer wall of the inner brake ring, an electric push rod two is installed on the inner wall of the inner brake ring, a sliding ring is connected to the output end of the electric push rod two, an installation block is arranged on the inner wall of the sliding ring, and a plurality of balls are embedded on the side of the installation block close to the rope;

[0007] The outer wall of the support frame is rotationally connected with an outer cylinder, an inner rod is arranged at the bottom end of the outer cylinder, a spring is arranged on the inner wall of the outer cylinder, the bottom end of the spring is connected with the top end of the inner rod, a damper is arranged in the outer cylinder, the bottom end of the damper is connected with the top end of the inner rod, and the bottom end of the inner rod is rotationally connected with the outer wall of the outer ring.

[0008] Preferably, the installation groups of the telescopic sleeve are two groups, and are symmetrically arranged on the two sides of the rope.

[0009] Preferably, the installation groups of the outer cylinder are two groups, and are symmetrically arranged on the two sides of the telescopic sleeve, and the damper is arranged in the spring.

[0010] Preferably, the sliding ring is slidably connected with the inner brake ring.

[0011] Preferably, the installation block penetrates the inner wall of the inner brake ring, and the balls are attached to the outer wall of the rope.

[0012] Preferably, the wheel body comprises a middle body and side frames arranged on the two sides of the middle body.

[0013] Preferably, the outer wall of the side frame is provided with a brake groove, the inner wall of the mounting frame is provided with an electric push rod three, the output end of the electric push rod three is connected with a mounting ring, the mounting ring is arranged on the two sides of the wheel body, a connecting block is arranged on the outer wall of the side of the mounting ring close to the wheel body, a first brake pad is arranged on the outer wall of the side of the connecting block close to the wheel body, the first brake pad is arranged in correspondence with the brake groove, an electric push rod four is arranged on the outer wall of the side of the mounting ring close to the wheel body, the output end of the electric push rod four is connected with an auxiliary brake pad, and the auxiliary brake pad is slidably connected with the outer wall of the first brake pad.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] 1. The inner brake ring is arranged, when the wheel body is braked, the balls are retracted into the inner brake ring, the two groups of inner brake rings are moved by the electric push rod one to clamp the rope, and the purpose of braking the rope is achieved, when the rope has a downward movement trend after braking, the rope drives the inner brake ring and the outer ring to move downward, the outer cylinder, the inner rod, the spring and the damper provide buffering for the outer ring, and the rope is buffered, so that the great impact caused by the sudden braking of the guide wheel and the rope is reduced, and the use safety of the guide wheel is improved.

[0016] 2. The utility model discloses a mounting ring, first brake pad and auxiliary brake pad are installed, and the use of first brake pad and auxiliary brake pad is selected according to the rotating speed of guide wheel body or the load weight of rope bottom end, when the rotating speed of guide wheel body is faster, the auxiliary brake pad is moved through electric push rod four, makes auxiliary brake pad and first brake pad be in the same plane, then moves the mounting ring through electric push rod three, and then drives first brake pad and auxiliary brake pad and brake groove inner wall adhesion, and from both sides clamping wheel body, realize the brake effect to wheel body, adjust the use amount of auxiliary brake pad to adjust the friction force provided to wheel body, and then aim at the phenomenon that wheel body appears brake excessive or brake deficiency. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the whole front structure schematic diagram of the utility model;

[0018] Figure 2 It is the outer tube structure schematic diagram of the utility model;

[0019] Figure 3 It is the A place enlarged structure schematic diagram of the utility model; Figure 2

[0020] Figure 4 It is the wheel body partial structure schematic diagram of the utility model;

[0021] Figure 5 It is the mounting ring partial structure schematic diagram of the utility model;

[0022] Figure 6 It is the first brake pad partial structure schematic diagram of the utility model.

[0023] In the drawing: 1, mounting frame; 2, support shaft; 3, wheel body; 4, rope; 5, support frame; 6, telescopic sleeve; 7, outer ring; 8, electric push rod one; 9, inner brake ring; 10, guide rod; 11, sliding ring; 12, mounting block; 13, ball; 14, electric push rod two; 15, outer tube; 16, inner rod; 17, spring; 18, damper; 19, intermediate body; 20, side frame; 21, brake groove; 22, electric push rod three; 23, mounting ring; 24, connecting block; 25, first brake pad; 26, electric push rod four; 27, auxiliary brake pad. DETAILED DESCRIPTION

[0024] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the scope of protection of the utility model. ​

[0025] In the description of the utility model, it needs to explain, the term "upper", "lower", "internal", "external" "front end", "rear end", "both ends", "one end", "the other end" and so on indicate the orientation or position relation is based on the orientation or position relation shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and not indicate or imply that the device or element must have a particular orientation, construct and operate with a particular orientation, therefore it cannot be understood as a limitation on the utility model. In addition, the term "first", "second" is only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0026] In the description of the utility model, it needs to explain, unless otherwise explicitly provided and limited, the term "installation", "set with", "connection" and so on, should be broadly understood, for example "connection", can be fixed connection, can also be detachable connection, or integrally connected, can be mechanical connection, can also be electrical connection, can be directly connected, can also be indirectly connected through intermediate medium, can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0027] Please refer to Figure 1 、 Figure 2 And Figure 3 , a guide wheel with brake structure, including mounting frame 1 and wheel body 3, the inner wall of mounting frame 1 is installed with support shaft 2, the outer wall of support shaft 2 is sleeved with wheel body 3, the outer wall of wheel body 3 is provided with rope 4, wheel body 3 is used to provide guide for rope 4, the inner wall of mounting frame 1 is installed with support frame 5, support frame 5 is located below wheel body 3, and rope 4 penetrates through the inner wall of support frame 5, support frame 5 is composed of hollow circular ring in the middle part and support rod located on both sides of hollow circular ring, the bottom of support frame 5 is installed with telescopic sleeve 6, the installation group number of telescopic sleeve 6 is two, and it is symmetrically arranged on both sides of rope 4, the bottom end of telescopic sleeve 6 is connected with outer ring 7, the inner wall of outer ring 7 is installed with electric push rod one 8, the output end of electric push rod one 8 is connected with inner brake ring 9, the installation group number of inner brake ring 9 is two, and it is located on both sides of rope 4, the inner wall of outer ring 7 is installed with guide rod 10, and guide rod 10 penetrates the outer wall of inner brake ring 9, and guide rod 10 extends to the inside of inner brake ring 9, and guide rod 10 is located on the upper and lower sides of electric push rod one 8, the inner wall of inner brake ring 9 is installed with electric push rod two 14, the output end of electric push rod two 14 is connected with sliding ring 11, sliding ring 11 is slidably connected with the inside of inner brake ring 9, the inner wall of sliding ring 11 is provided with mounting block 12, the side close to rope 4 of mounting block 12 is embedded with ball 13, mounting block 12 penetrates the inner wall of inner brake ring 9, ball 13 is attached to the outer wall of rope 4;

[0028] The outer wall of the support frame 5 is rotationally connected with an outer cylinder 15, the bottom end of the outer cylinder 15 penetrates and is provided with an inner rod 16, the inner wall of the outer cylinder 15 is provided with a spring 17, the bottom end of the spring 17 is connected with the top end of the inner rod 16, the inside of the outer cylinder 15 is provided with a damper 18, the bottom end of the damper 18 is connected with the top end of the inner rod 16, and the bottom end of the inner rod 16 is rotationally connected with the outer wall of the outer ring 7.

[0029] The telescopic sleeve 6 is provided with two groups of installation groups, which are symmetrically arranged on the two sides of the rope 4.

[0030] When the wheel body 3 is braked by the first brake pad 25 and the auxiliary brake pad 27, the sliding ring 11 is driven to move to the two sides along the inside of the inner brake ring 9 by the contraction of the second electric push rod 14, the mounting block 12 drives the ball 13 to move to the two sides, the ball 13 is retracted to the inside of the inner brake ring 9, and then the first electric push rod 8 is elongated to drive the two groups of inner brake rings 9 to move along the outer wall of the guide rod 10 to the direction close to the rope 4, so as to clamp the rope 4 and achieve the purpose of braking the rope 4. When the rope 4 has a tendency to continue to move downward after braking, the rope 4 drives the inner brake ring 9 and the outer ring 7 to move downward, the outer ring 7 is buffered by the outer cylinder 15, the inner rod 16, the spring 17 and the damper 18, and the rope 4 is buffered, which is beneficial to reduce the great impact caused by the sudden braking of the guide wheel and the rope 4, and thus the use safety of the guide wheel is improved.

[0031] Please refer to Figure 1 , Figure 4 , Figure 5 and Figure 6 , the wheel body 3 includes an intermediate body 19 and side frames 20 located on the two sides of the intermediate body 19, the outer wall of the side frame 20 is provided with a brake groove 21, the inner wall of the mounting frame 1 is provided with a third electric push rod 22, the output end of the third electric push rod 22 is connected with a mounting ring 23, the mounting ring 23 is located on the two sides of the wheel body 3, a connecting block 24 is mounted on the outer wall of the side of the mounting ring 23 close to the wheel body 3, a first brake pad 25 is mounted on the outer wall of the side of the connecting block 24 close to the wheel body 3, the first brake pad 25 is arranged in correspondence with the brake groove 21, a fourth electric push rod 26 is mounted on the outer wall of the side of the mounting ring 23 close to the wheel body 3, the output end of the fourth electric push rod 26 is connected with an auxiliary brake pad 27, and the auxiliary brake pad 27 is in sliding connection with the outer wall of the first brake pad 25.

[0032] According to the rotating speed of the guide wheel body 3 or the load weight of the bottom end of the rope 4, the use of the first brake pad 25 and the auxiliary brake pad 27 is selected, when the rotating speed of the guide wheel body 3 is faster, the auxiliary brake pad 27 is moved by the electric push rod four 26, so that the auxiliary brake pad 27 is in the same plane with the first brake pad 25, then the mounting ring 23 is moved by the electric push rod three 22, and then the first brake pad 25 and the auxiliary brake pad 27 are attached to the inner wall of the brake groove 21, and the guide wheel body 3 is clamped from both sides, so as to realize the brake effect of the guide wheel body 3. The use of the auxiliary brake pad 27 is adjusted to adjust the friction force provided to the guide wheel body 3, and then the phenomenon of excessive brake or insufficient brake of the guide wheel body 3 is solved.

[0033] Working principle, when the guide wheel body 3 needs to be braked, the friction force provided to the guide wheel body 3 is adjusted according to the use of the auxiliary brake pad 27, and then the phenomenon of excessive brake or insufficient brake of the guide wheel body 3 is solved, in order to avoid the rope 4 from continuing to slide with increasing displacement after the guide wheel is braked, the sliding ring 11 is moved to both sides along the inside of the inner brake ring 9 by the contraction of the electric push rod two 14, the mounting block 12 drives the ball 13 to move to both sides, the ball 13 is retracted to the inside of the inner brake ring 9, and then the electric push rod one 8 is elongated to drive the two groups of inner brake rings 9 to move along the outer wall of the guide rod 10 to the direction close to the rope 4, so as to clamp the rope 4, and then the purpose of braking the rope 4 is achieved.

[0034] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the present application is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims.

Claims

1. A guide wheel having a brake structure, characterized by, Including the mounting frame (1) and the wheel body (3), the inner wall of mounting frame (1) is installed with support shaft (2), the outer wall of support shaft (2) is equipped with wheel body (3), the outer wall of wheel body (3) is provided with rope (4), and wheel body (3) is used to provide guide for rope (4); The inner wall of mounting frame (1) is installed with support frame (5), support frame (5) is located below wheel body (3), and rope (4) penetrates through the inner wall of support frame (5), the bottom of support frame (5) is installed with telescopic sleeve (6), the bottom end of telescopic sleeve (6) is connected with outer ring (7), the inner wall of outer ring (7) is installed with electric push rod one (8), the output end of electric push rod one (8) is connected with inner brake ring (9), the inner wall of outer ring (7) is installed with guide rod (10), and guide rod (10) penetrates through the outer wall of inner brake ring (9), the inner wall of inner brake ring (9) is installed with electric push rod two (14), the output end of electric push rod two (14) is connected with sliding ring (11), the inner wall of sliding ring (11) is provided with mounting block (12), the side of mounting block (12) close to rope (4) is embedded with ball (13). The outer wall of support frame (5) is rotatably connected with outer cylinder (15), inner rod (16) penetrates through the bottom end of outer cylinder (15) and is installed, spring (17) is installed on the inner wall of outer cylinder (15), and the bottom end of spring (17) is connected with the top end of inner rod (16), damper (18) is installed in the inner portion of outer cylinder (15), and the bottom end of damper (18) is connected with the top end of inner rod (16), and the bottom end of inner rod (16) is rotatably connected with the outer wall of outer ring (7).

2. The guide wheel with brake structure according to claim 1, characterized in that: The installation groups of telescopic sleeve (6) are two groups, and are symmetrically arranged on the two sides of rope (4).

3. A guide wheel with brake structure according to claim 2, characterized in that: The installation groups of outer cylinder (15) are two groups, and are symmetrically distributed on the two sides of telescopic sleeve (6), and damper (18) is located in the inner portion of spring (17).

4. The guide wheel with brake structure according to claim 1, characterized in that: The sliding ring (11) and the inner brake ring (9) are slidably connected.

5. The guide wheel with brake structure according to claim 1, characterized in that: The mounting block (12) penetrates through the inner wall of inner brake ring (9), and the ball (13) is attached to the outer wall of rope (4).

6. The guide wheel with brake structure according to claim 1, wherein: The wheel body (3) includes middle body (19) and side frame (20) located on both sides of middle body (19).

7. A guide wheel having a brake structure according to claim 6, characterized in that: The outer wall of side frame (20) is provided with brake groove (21), the inner wall of mounting frame (1) is installed with electric push rod three (22), the output end of electric push rod three (22) is connected with mounting ring (23), and mounting ring (23) is located on both sides of wheel body (3), mounting ring (23) is installed with connecting block (24) on the outer wall of the side close to wheel body (3), connecting block (24) is installed with first brake pad (25) on the outer wall of the side close to wheel body (3), and first brake pad (25) is arranged corresponding to brake groove (21), mounting ring (23) is installed with electric push rod four (26) on the outer wall of the side close to wheel body (3), the output end of electric push rod four (26) is connected with auxiliary brake pad (27), and auxiliary brake pad (27) is slidably connected with the outer wall of first brake pad (25).

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