CN210150174U - Belt conveyor inspection robot walking drive mechanism - Google Patents

Abstract

The utility model discloses a walking driving mechanism of a belt conveyor inspection robot, which comprises a guide rail support frame, a guide rail erected on the top of the guide rail support frame, a guide rail sliding seat frame mounted on the guide rail in a sleeve, and a wire rope installed on the end of the guide rail. Pulling structure; the top of the guide rail support frame is fixed with a guide support, the end of the guide rail is fixed on the guide support, and the guide support is also fixed with a guide sliding bearing at the position corresponding to the end of the guide rail; the guide rail slide frame It is a frame structure. The inner part of the frame structure is provided with support guide wheels at the positions of the side and top surfaces of the guide rails; the wire rope pulling structure is symmetrically arranged in two sets, and the wire rope pulling structure includes a drum seat, a wire rope drum and a tension spring. The seat is installed in the guide sliding bearing through the guide post. The utility model can make the belt conveyor inspection robot suitable for the belt conveyor whose conveying direction is curved, and can avoid the problem of transmission failure caused by large dust.

Description

Belt conveyor inspection robot walking drive mechanism

technical field

The utility model relates to a walking driving mechanism, in particular to a walking driving mechanism for a belt conveyor inspection robot suitable for driving the reciprocating inspection action of a belt conveyor inspection robot, belonging to the technical field of industrial automation.

Background technique

Belt conveyor (that is, belt conveyor) is a kind of machine that frictionally drives and transports materials in a continuous manner. It is mainly composed of frame, conveyor belt, idler, roller, tensioning device, transmission device, etc. On the conveyor line, a material conveying process is formed from the initial feeding point to the final unloading point. In addition to pure material transportation, it can also cooperate with the requirements of the technological process in the production process of various industrial enterprises to form a rhythmic assembly line, which is widely used in the assembly, testing, debugging, packaging and other industries of various industries. transportation, etc.

Common failures of belt conveyors include belt breakage, deviation, slippage, and idler jamming, etc. How to realize real-time monitoring of belt conveyor transportation status has become a common concern of enterprises. The belt conveyor inspection robot is a cutting-edge technology in the existing technology. The belt conveyor inspection robot usually includes a control box of computer vision and various sensors. The data collection of the working status of the belt conveyor is carried out by driving the control box through the walking drive mechanism to move along the direction of the belt conveyor, and transmitted to the terminal interface through wireless communication technology. , the application of computer vision and computer programming technology to achieve automatic alarm.

The walking drive mechanism of the existing belt conveyor inspection robot mostly adopts a rack and pinion structure. Movement is not applicable, so the traditional belt conveyor inspection robot with a rack and pinion structure walking drive mechanism is usually suitable for a belt conveyor with a straight conveying direction, but cannot be applied to a belt conveyor with a curved conveying direction; on the other hand, for such as Under the conditions of material transportation with a relatively large amount of dust, such as underground coal mines, the rack and pinion structure is easily worn due to the adhesion of dust, thereby reducing the transmission accuracy.

SUMMARY OF THE INVENTION

In view of the above problems, the present utility model provides a walking driving mechanism of a belt conveyor inspection robot, which can make the belt conveyor inspection robot suitable for a belt conveyor with a curved conveying direction, and can avoid the problem of transmission failure caused by large dust.

In order to achieve the above purpose, the walking driving mechanism of the belt conveyor inspection robot includes a guide rail support frame, a guide rail installed on the top of the guide rail support frame, a guide rail sliding seat frame installed on the guide rail, and a wire rope puller installed at the end of the guide rail. structure;

The top of the guide rail support frame is fixedly provided with a guide support, the end of the guide rail arranged parallel to the conveying direction of the belt conveyor is fixedly installed on the guide support, and the position corresponding to the end of the guide rail is also fixedly provided on the guide support. Guide sliding bearing;

The guide rail carriage is a frame structure, and the inside of the frame structure is provided with support guide wheels that are rolled along the front and rear directions through the support frame at the positions corresponding to the side surfaces and the top surface of the guide rail, and the side guide support wheels are symmetrical to the left and right sides of the guide rail. It is set to two pieces, and the distance between the two side guide support wheels is matched with the width of the guide rail;

The wire rope pulling structure is symmetrically arranged in two sets in front and rear relative to the guide rail. The wire rope pulling structure includes a drum seat, a wire rope drum and a tension spring; a guide column is fixed on the drum seat, and the drum seat is installed on the drum seat through the guide column. The wire rope drum is erected and installed on the drum seat, and at least one wire rope drum in the front and rear two wire rope drums is an active drum with a driving motor. The upper-layer steel wire rope or the lower-layer steel wire rope in a parallel state is fixedly installed and connected with the guide rail carriage frame; the tension spring is telescopically arranged between the roller seat and the end face of the guide rail along the front and rear directions.

As a further improvement scheme of the present invention, both ends of the tensioning spring are respectively mounted on the end faces of the roller seat and the guide rail through the spring seat.

As a further improvement scheme of the present invention, the tension spring is provided with a spring inner guide post which is fixedly arranged on the spring seat.

As a further improvement scheme of the present invention, at least one side guide support wheel is provided with an elastic pressing structure which can make the side guide support wheel always abut on the guide rail.

As an embodiment of the present invention, the elastic pressing structure includes a support wheel sleeve, a support wheel spring, a spring washer, an adjusting bolt and a locking nut, and the position of the support wheel sleeve corresponding to the side guide support wheel is fixedly installed on the guide rail slide The support frame on the seat frame and the side guide support wheel is arranged in the support wheel sleeve, the support wheel spring and the spring pad are arranged in the support wheel sleeve, and the support wheel spring is located between the support frame and the spring pad of the side guide support wheel. The position of the adjusting bolt facing the spring washer is threadedly mounted on the guide rail carriage frame, the adjusting bolt is pressed against the spring washer, and the locking nut is screwed on the adjusting bolt.

As a further improvement scheme of the present invention, the wire rope is wound on the wire rope drum at least three times.

Compared with the prior art, after the belt conveyor monitoring control box is installed on the top or bottom of the guide rail carriage, the belt conveyor monitoring control box can be moved back and forth along the conveying direction of the belt conveyor through wire rope traction, and the operation of the belt conveyor can be realized. The state is monitored; in normal state, the tension spring is always in a compressed state, that is, the wire rope is always in a tension state, and the rotation of the driving drum is realized by controlling the rotation of the driving motor. During the rotation of the driving drum, the friction force drives the wire rope around the driving drum and the driven drum. The drum moves in a circular motion. During the movement of the wire rope, the belt conveyor monitoring control box is driven by the guide rail carriage to move along the direction of the guide rail. When it moves to the set position close to the wire rope drum, the belt conveyor can be monitored by controlling the reverse rotation of the driving motor. The return movement of the control box; even if the conveying direction is a curved belt conveyor, that is, the guide rail has a curvature, by reasonably setting the elastic force of the tension spring and the stroke of the guide column, the wire rope can still be kept in a tension state.

Description of drawings

Fig. 1 is the structural representation of the present utility model;

Fig. 2 is the A-A sectional view of Fig. 1;

FIG. 3 is a cross-sectional view taken along line B-B of FIG. 1 .

In the figure: 1. Drive motor, 2. Roller seat, 3. Driving roller, 4. Screw Ⅰ, 5. Spring seat Ⅰ, 6. Spring inner guide column, 7. Tensioning spring, 8. Guide sliding bearing, 9. Guide support, 10, mounting bolt I, 11, guide rail, 12, nut 13, screw II, 14, guide column, 15, spring seat II, 16, belt conveyor monitoring control box, 17, mounting bolt II, 18, guide rail carriage, 19, adjusting bolt, 20, set nut, 21, spring washer, 22, support wheel sleeve, 23, support wheel spring, 25, top guide support wheel, 26, side guide support wheel, 27, Driven drum, 28, steel wire rope.

Detailed ways

The present utility model will be further described below with reference to the accompanying drawings (the left and right directions in FIG. 1 are used as the front and rear directions for description below).

As shown in FIG. 1 , the walking driving mechanism of the belt conveyor inspection robot includes a vertically arranged guide rail support frame, a guide rail 11 erected on the top of the guide rail support frame, a guide rail sliding seat frame 18 sleeved and installed on the guide rail 11, and a guide rail 18 installed on the guide rail 11. The wire rope pulling structure at the end of the guide rail 11 .

The top of the guide rail support frame is fixedly provided with a guide support 9, and the end of the guide rail 11 set parallel to the conveying direction of the belt conveyor is fixedly installed on the guide support 9 through mounting bolts I10, and the guide support 9 corresponds to the guide rail. A guide sliding bearing 8 is also fixed at the position of the end of the guide rail 11 . As shown in FIG. 2 , the longitudinal section of the guide rail 11 can be an I-shaped structure or a π-shaped structure and other structures.

The guide rail carriage 18 is a frame structure, and the inside of the frame structure is provided with a support guide wheel that rolls along the front and rear directions through the support frame at the position corresponding to the side surface and the top surface of the guide rail 11. As shown in FIG. 2, the support guide wheel Including the top guide support wheel 25 and the side guide support wheel 26, in order to ensure that the guide rail carriage 18 moves forward and backward along the guide rail 11 steadily, the side guide support wheel 26 is symmetrically arranged into two pieces corresponding to the left and right sides of the guide rail 11, and the two pieces of side The distance dimension between the guide support wheels 26 is matched with the width dimension of the guide rail 11 .

The wire rope pulling structure is symmetrically arranged in two sets with respect to the guide rail 11, as shown in Figure 3, the wire rope pulling structure includes a drum seat 2, a wire rope drum and a tension spring 7; the drum seat 2 is fixed with a guide column 14. The drum seat 2 is installed in the guide sliding bearing 8 through the guide column 14. The drum seat 2 can slide forward and backward under the guiding action of the guide column 14; the wire rope drum is erected and installed on the drum seat 2. At least one wire rope drum is a driving drum 3 with a driving motor 1, and the other wire rope drum is a driven drum 27. The front and rear wire rope drums can also be driving drums 3 with a driving motor 1, and the end-to-end connection is annular. The wire rope 28 is wound on the front and rear wire rope drums, and the upper wire rope or the lower wire rope in a parallel state is fixedly installed and connected to the guide rail carriage frame 18; between.

After the belt conveyor monitoring control box 16 is installed on the top or bottom of the guide rail carriage 18 through the mounting bolts II 17, the belt conveyor monitoring control box 16 can be moved back and forth along the conveying direction of the belt conveyor through the traction of the wire rope 28. The running state is monitored, and the specific working principle is as follows: in normal state, the tension spring 7 is always in a compressed state, that is, the wire rope 28 is always in a tension state. The rotation of the driving motor 1 realizes the rotation of the driving drum 3. During the rotation of the driving drum 3, the friction force drives the wire rope 28 to make a circular movement around the driving drum 3 and the driven drum 27. During the movement of the wire rope 28, the belt is driven by the guide rail carriage 18. The belt conveyor monitoring control box 16 moves along the direction of the guide rail 11. After moving to the set position close to the wire rope drum, the reverse movement of the belt conveyor monitoring control box 16 can be realized by controlling the driving motor 1 to reversely rotate. Even if the conveying direction is a curved belt conveyor, that is, the guide rail 11 has a curvature, by properly setting the elastic force of the tension spring 7 and the stroke of the guide column 14, the steel wire rope 28 can still be kept in a tension state all the time.

In order to ensure that the tensioning spring 7 provides the tensioning elastic force stably, as a further improvement scheme of the present invention, the two ends of the tensioning spring 7 are respectively installed on the end faces of the roller seat 2 and the guide rail 11 through the spring seat, as shown in FIG. 3 , The spring seat includes a spring seat I5 installed on the roller seat 2 through a screw I4, and a spring seat II15 installed on the end face of the guide rail 11 through a nut 12 and a screw II13.

In order to further ensure that the tensioning spring 7 provides the tensioning elastic force stably, as a further improvement scheme of the present invention, as shown in FIG.

In order to further ensure that the guide rail carriage 18 moves back and forth along the guide rail 11 stably, as a further improvement scheme of the present invention, at least one side guide support wheel 26 is provided with a side guide support wheel 26 that can always abut on the guide rail 11. Elastic compression structure. The elastic compression structure can be a spring structure or a leaf spring structure and other elastic structures. As shown in Figure 2, the elastic compression structure includes a support wheel sleeve 22, a support wheel spring 23, and a spring pad 21. , adjusting bolt 19 and locking nut 20, the support wheel sleeve 22 is fixedly installed on the guide rail carriage frame 18 corresponding to the position of the side guide support wheel 26, and the support frame of the side guide support wheel 26 is arranged in the support wheel sleeve 22 , the support wheel spring 23 and the spring washer 21 are arranged in the support wheel sleeve 22, and the support wheel spring 23 is located between the support frame of the side guide support wheel 26 and the spring washer 21, and the adjusting bolt 19 is facing the position thread of the spring washer 21 It is connected and installed on the guide rail carriage 18, and the adjusting bolt 19 abuts on the spring washer 21. By rotating the adjusting bolt 19, the pressing elastic force of the supporting wheel spring 23 can be adjusted, and the locking nut 20 is screwed on the adjusting bolt 19. , for adjusting and positioning the adjusting bolt 19 .

In order to prevent the wire rope 28 from slipping with the wire rope drum during the moving process, as a further improvement scheme of the present invention, the wire rope 28 is wound on the wire rope drum at least three times.

Claims (6)

1. A walking driving mechanism of a belt conveyor inspection robot comprises a guide rail support frame, a guide rail (11) erected at the top end of the guide rail support frame and a guide rail sliding seat frame (18) sleeved on the guide rail (11), and is characterized by further comprising a steel wire rope traction structure arranged at the end part of the guide rail (11);

the top end of the guide rail support frame is fixedly provided with a guide support (9), the end part of a guide rail (11) arranged in parallel to the conveying direction of the belt conveyor is fixedly arranged on the guide support (9), and a guide sliding bearing (8) is fixedly arranged on the guide support (9) corresponding to the end part of the guide rail (11);

the guide rail sliding seat frame (18) is of a frame structure, supporting guide wheels which are arranged in the frame structure in a rolling mode along the front-back direction through a supporting frame are arranged in positions corresponding to the side face and the top face of the guide rail (11), the side face guiding support wheels (26) are symmetrically arranged in a left-right mode corresponding to the left side face and the right side face of the guide rail (11) in a left-right mode, and the space between the two side face guiding support wheels (26) is matched with the width of the guide rail (11);

the steel wire rope traction structures are symmetrically arranged in two sets in front and back relative to the guide rail (11), and each steel wire rope traction structure comprises a roller base (2), a steel wire rope roller and a tension spring (7); a guide post (14) is fixedly arranged on the roller base (2), and the roller base (2) is installed in the guide sliding bearing (8) in a penetrating way through the guide post (14); the steel wire rope rollers are erected and installed on the roller seat (2), at least one of the front and rear steel wire rope rollers is a driving roller (3) with a driving motor (1), and an upper layer steel wire rope or a lower layer steel wire rope which is connected end to end and is in a ring shape is wound on the front and rear steel wire rope rollers and is in a parallel state is fixedly installed and connected with the guide rail sliding seat frame (18); the tension spring (7) is arranged between the roller seat (2) and the end surface of the guide rail (11) in a telescopic mode along the front-back direction.

2. The belt conveyor inspection robot walking drive mechanism according to claim 1, wherein two ends of the tension spring (7) are respectively mounted on end surfaces of the roller base (2) and the guide rail (11) through spring seats.

3. The belt conveyor inspection robot walking driving mechanism according to claim 2, wherein an inner spring guide post (6) fixedly arranged on a spring seat is arranged inside the tension spring (7).

4. The belt conveyor inspection robot walking drive mechanism according to claim 1, 2 or 3, characterized in that at least one side guide support wheel (26) is provided with an elastic pressing structure which can enable the side guide support wheel (26) to be always attached to the guide rail (11).

5. The belt conveyor inspection robot walking driving mechanism according to claim 4, wherein the elastic pressing structure comprises a supporting wheel sleeve (22), a supporting wheel spring (23), a spring pad (21), an adjusting bolt (19) and a locking nut (20), the supporting wheel sleeve (22) is fixedly installed on the guide rail sliding seat frame (18) corresponding to the position of the side guide supporting wheel (26), the supporting frame of the side guide supporting wheel (26) is arranged in the supporting wheel sleeve (22), the supporting wheel spring (23) and the spring pad (21) are arranged in the supporting wheel sleeve (22), the supporting wheel spring (23) is positioned between the supporting frame of the side guide supporting wheel (26) and the spring pad (21), the adjusting bolt (19) is installed on the guide rail sliding seat frame (18) opposite to the position of the spring pad (21) in a threaded connection manner, and the adjusting bolt (19) abuts against the spring pad (21), the locking nut (20) is matched and screwed on the adjusting bolt (19).

6. The belt inspection robot travel drive mechanism of claim 1, 2 or 3, wherein the wire rope (28) is wound on the wire rope drum for at least three revolutions.

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