Guide limiting device for belt conveyor tensioning device

Abstract

The utility model relates to the technical field of belt conveyors, in particular to a guide limiting device for a tensioning device of a belt conveyor, which comprises a top connecting plate, two side plates, a fixed guide wheel, a movable guide wheel and an adjusting component. Two fixed plates which are arranged up and down are connected between the two side plates, and the fixed guide wheel is arranged between the two fixed plates; the rear ends of the two side plates are fixedly connected with a rear end plate; the adjusting assembly comprises an adjustable plate assembly, a positioning sleeve, a fastening bolt and a spring, the adjustable plate assembly is slidably arranged on the side plate in the horizontal direction, and the movable guide wheel is arranged on the adjustable plate assembly. When the tensioning device runs back and forth, the tensioning device and the track always keep a certain track gauge through the mutual matching effect of the guide limiting device and the track, the tensioning device can be quickly reset through the device even if large impact stress exists, and the rubber belt deviation caused by the track gauge change is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of belt conveyor, more specifically, relate to a kind of guiding limiting device for belt conveyor tensioning device. BACKGROUND

[0002] Tensioning device as the important component of coal mine belt conveyor system, undertakes the function of belt tension adjustment and belt storage.It is usually configured with not less than four groups of running wheel group in its structural design, and carries out high frequency movement along preset track.In actual operation process, the systemic deviation problem caused by uneven force of steel wire rope wheel group is particularly prominent, specifically as follows: the meshing failure of device running wheel group and track leads to derailment accident, and then induces the phenomenon of belt lateral deviation.This chain failure will cause the deformation of tensioning device frame structure, and finally possibly lead to system shutdown and major safety production accident.

[0003] Therefore, it is necessary to improve the prior art. INVENTION CONTENTS

[0004] In order to overcome the deficiencies in the prior art, a guiding limiting device for belt conveyor tensioning device is provided to improve the running stability of the tensioning device.

[0005] In order to solve the above technical problems, the utility model adopts the technical scheme that:

[0006] A guiding limiting device for belt conveyor tensioning device, comprising top connecting plate, side plate, fixed guide wheel, movable guide wheel and adjusting assembly, the side plate is provided with two and is respectively arranged on both sides of the top connecting plate, two fixed plates are connected between the two side plates and arranged vertically, the fixed guide wheel is arranged between the two fixed plates; the rear end of the two side plates is fixedly connected with rear end plate;

[0007] The adjusting assembly comprises an adjustable plate assembly, a positioning sleeve, a locking bolt and a spring, the adjustable plate assembly is slidably arranged on the side plate in horizontal direction, the movable guide wheel is arranged on the adjustable plate assembly, the positioning sleeve is fixedly connected to the rear end of the adjustable plate assembly, the rear end plate is provided with a threaded hole, the locking bolt is threadedly connected in the threaded hole and the end portion is inserted into the positioning sleeve;

[0008] A top plate is slidably sleeved on the locking bolt and axially limited by the stepped surface to the top plate, the spring is sleeved on the positioning sleeve, and the two ends of the spring are in contact with the adjustable plate assembly and the top plate respectively.

[0009] Preferably, the side plate is provided with a long slot hole, the adjustable plate assembly is fixedly provided with a flange on both sides, the flange is inserted into the long slot hole, and the width of the long slot hole is greater than the width of the flange.

[0010] Preferably, the positioning sleeve, the fixing bolt and the spring are provided with two.

[0011] Preferably, the front end of the two side plates is fixedly connected with a front end plate, and a rib plate is arranged between the front end plate and the top connecting plate.

[0012] Preferably, the front end plate is provided with a connecting hole for connecting the tensioning device, and a fastener is arranged in the connecting hole.

[0013] Preferably, the fixed guide wheel and the movable guide wheel each comprise a guide wheel and a wheel shaft, the guide wheel is assembled on the wheel shaft, and the wheel shaft is connected with the corresponding fixed plate or adjustable plate assembly.

[0014] Preferably, the side plate is provided with a short slot hole, and the fixed plate is provided with an insertion plate matched with the size of the short slot hole, and the insertion plate is inserted into the short slot hole.

[0015] The utility model has the beneficial effects compared with the prior art:

[0016] The tensioning device and the track always maintain a certain gauge through the mutual cooperation of the guide limiting device and the track when the tensioning device runs forward and backward, even if there is a large impact stress, the device can quickly reset, and the belt deviation caused by the gauge change is avoided, so that the safety hazards such as rack stress deformation and derailment are eliminated. The use of the device can solve the above problems, so that the belt conveyor tensioning part can stably run, and the operation safety of the belt conveyor is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0017] The specific embodiment of the utility model will be further described in detail below with reference to the drawings.

[0018] Figure 1 It is a front view structural schematic diagram of the utility model;

[0019] Figure 2 It is a side view structural schematic diagram of the utility model;

[0020] Figure 3 It is a bottom view structural schematic diagram of the utility model;

[0021] Figure 4 It is a fixing bolt structural schematic diagram;

[0022] Figure 5 It is a side view structural schematic diagram of the utility model for the tensioning device;

[0023] Figure 6 It is a front view structural schematic diagram of the utility model for the tensioning device.

[0024] In the diagram: 1. Tensioning device; 2. Side plate; 3. Front end plate; 4. Top connecting plate; 5. Rib plate; 6. Fixed guide wheel; 7. Movable guide wheel; 8. Axle; 9. Spring; 10. Positioning sleeve; 11. Top plate; 12. Rear end plate; 13. Set bolt; 14. Fixed plate; 15. Adjustable plate assembly; 16. Long slot; 17. Short slot; 18. Connecting hole; 19. Flange; 20. Insert plate; 21. Stepped surface; 22. Guide rail assembly. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] Example:

[0027] like Figures 1 to 6 As shown, a guide and limiting device for a belt conveyor tensioning system includes a top connecting plate 4, side plates 2, fixed guide wheels 6, movable guide wheels 7, and an adjusting assembly. Two side plates 2 are provided and fixedly installed on both sides of the top connecting plate 4. Rear end plates 12 are fixedly connected to the rear ends of the two side plates 2, and front end plates 3 are fixedly connected to the front ends of the two side plates 2. A stiffening plate 5 is provided between the front end plate 3 and the top connecting plate 4. The top connecting plate 4, side plates 2, rear end plates 12, front end plates 3, and stiffening plate 5 constitute the base frame of the guide and limiting device.

[0028] The adjustment assembly includes an adjustable plate assembly 15, a positioning sleeve 10, a set bolt 13, and a spring 9. The adjustable plate assembly 15 is slidably mounted on the side plate 2 in the horizontal direction. In order to limit the position of the adjustable plate assembly 15, the side plate 2 is provided with an elongated slot 16. Flanges 19 are fixedly provided on both sides of the adjustable plate assembly 15. The flanges 19 are inserted into the elongated slot 16. The width of the elongated slot 16 is greater than the width of the flange 19, so that the flange 19 can slide along the elongated slot 16.

[0029] Two fixed plates 14 are connected between the two side plates 2, arranged vertically. Specifically, the side plates 2 are provided with short slots 17, and the fixed plates 14 are provided with insert plates at both ends that match the size of the short slots 17. The insert plates are inserted into the short slots 17. Fixed guide wheels 6 are arranged between the two fixed plates 14; movable guide wheels 7 are arranged in the adjustable plate assembly 15. The fixed guide wheels 6 and movable guide wheels 7 are arranged opposite each other. By the fixed guide wheels 6 and movable guide wheels 7 fitting against both sides of the track assembly 22, the tensioning device is guided and limited.

[0030] The positioning sleeve 10 is fixedly connected to the rear end of the adjustable plate assembly 15, the rear end plate 12 is provided with a threaded hole, the close bolt 13 is threadedly connected in the threaded hole and the end is inserted into the positioning sleeve 10, the close bolt 13 is sleeved with the top plate 11 and the top plate 11 is axially limited by the stepped surface 21, the spring 9 is sleeved on the positioning sleeve 10, and the two ends of the spring 9 are in contact with the adjustable plate assembly 15 and the top plate 11 respectively. A certain pre-tightening force is given to the adjustable plate assembly 15 through the spring 9, so that the movable guide wheel 7 is tightly pressed against the track assembly 22.

[0031] When it is necessary to adjust the pre-tightening force, the close bolt 13 is rotated, the top plate 11 is driven to move through the stepped surface 21, and the compression amount of the spring 9 is changed, so that the pre-tightening force of the spring 9 is changed.

[0032] In order to maintain the stability of the adjustable plate assembly 15, the positioning sleeve 10, the close bolt 13 and the spring 9 are all provided with two.

[0033] In order to facilitate the connection of the tensioning device, the front end plate 3 is provided with a connecting hole 18 for connecting the tensioning device 1, and the connecting hole 18 is provided with a fastener for connecting the tensioning device 1.

[0034] Preferably, the fixed guide wheel 6 and the movable guide wheel 7 each include a guide wheel and an axle 8, the guide wheel is assembled on the axle 8, and the axle 8 is connected with the corresponding fixed plate 14 or the adjustable plate assembly 15.

[0035] The above only details the preferred embodiments of the utility model, but the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge range possessed by those skilled in the art without departing from the purpose of the utility model, and various changes should be included in the protection range of the utility model.

Claims

1. A guide stopper for a belt conveyor tensioner, characterized by: It includes top connecting plate (4), side plate (2), fixed guide wheel (6), movable guide wheel (7) and adjusting assembly, the side plate (2) is provided with two and is arranged at the both sides of top connecting plate (4) respectively, two side plates (2) are connected with two fixed plates (14) arranged up and down, and the fixed guide wheel (6) is arranged between the two fixed plates (14); The adjusting assembly includes adjustable plate assembly (15), positioning sleeve (10), tight bolt (13) and spring (9), the adjustable plate assembly (15) is slidably arranged on the side plate (2) in horizontal direction, the movable guide wheel (7) is arranged on the adjustable plate assembly (15), the positioning sleeve (10) is fixedly connected to the rear end of the adjustable plate assembly (15), the rear end plate (12) is provided with a threaded hole, the tight bolt (13) is threadedly connected in the threaded hole and the end portion is inserted into the positioning sleeve (10); The top plate (11) is slidably sleeved on the tight bolt (13) and is axially limited by the stepped surface (21) to the top plate (11), the spring (9) is sleeved on the positioning sleeve (10), and the two ends of the spring (9) are in contact with the adjustable plate assembly (15) and the top plate (11) respectively.

2. A guide and stop device for a belt conveyor tensioner according to claim 1, characterized in that: The side plate (2) is provided with a long slot hole (16), the two sides of the adjustable plate assembly (15) are fixedly provided with flanges (19), the flanges (19) are inserted into the long slot hole (16), and the width of the long slot hole (16) is greater than the width of the flange (19).

3. The guiding and limiting device for a belt conveyor tensioner according to claim 1, characterized in that: The positioning sleeve (10), the tight bolt (13) and the spring (9) are all provided with two.

4. The guiding and limiting device for a belt conveyor tensioner according to claim 1, characterized in that: The front end of the two side plates (2) is fixedly connected with the front end plate (3), and the front end plate (3) is provided with the rib plate (5) between the top connecting plate (4).

5. A guide and stop device for a belt conveyor tensioner according to claim 4, characterized in that: The front end plate (3) is provided with a connecting hole (18) for connecting the tensioning device (1), and the connecting hole (18) is provided with a fastener.

6. A guide and stop device for a belt conveyor tensioner according to claim 1, characterized in that: The fixed guide wheel (6) and the movable guide wheel (7) both include a guide wheel and an axle (8), the guide wheel is assembled on the axle (8), and the axle (8) is connected with the corresponding fixed plate (14) or adjustable plate assembly (15).

7. The guide and limit device for a belt conveyor tensioner according to claim 1, characterized in that: The side plate (2) is provided with a short slot hole (17), and the fixed plate (14) is provided with an insertion plate matched with the size of the short slot hole (17) at both ends, and the insertion plate is inserted into the short slot hole (17).

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