Isolation device for replacing new belt and old belt

Abstract

The utility model discloses an isolation device for new and old belt replacement, which relates to the technical field of belt conveyors and comprises a platform, an upper carrier roller base is fixedly arranged on the upper portion of the platform, and one-way screws are rotatably connected to the upper portion and the inner bottom wall of the upper carrier roller base. The two one-way screws are both sleeved with carrier roller supports in a threaded mode, carrier roller rods are rotationally connected to the carrier roller supports, and the two carrier roller rods are arranged in parallel up and down and arranged in a staggered mode. By means of the isolation device for replacing the new belt and the old belt, traction force during belt replacement can be reduced, it is guaranteed that the new belt is drawn in the middle, and belt replacement is completed safely and efficiently. The belt isolation device has the advantages of being reasonable in design, easy to operate, high in applicability, safe and efficient, and is used for replacing a new belt and an old belt.

Description

TECHNICAL FIELD

[0001] The utility model relates to a belt conveyor technical field, concretely is a kind of for belt replacement old and new belt isolation device. BACKGROUND

[0002] Belt conveyor has the advantages such as large conveying capacity, simple structure, convenient maintenance, component standardization, is widely used in mining, metallurgy, coal and other industries, to convey bulk materials or piece goods, according to conveying process requirements, it can be single conveying, also can be composed of multiple or with other conveying equipment to form horizontal or inclined conveying system;Belt conveyor is the main equipment of bulk cargo transportation.

[0003] After a large amount of retrieval found: China utility model patent column: the disclosure No.CN111153149A a belt conveyor's conveying belt replacement device, including first drive structure, winding mechanism drive structure, installation mechanism drive structure, old conveying belt winding mechanism, new conveying belt installation mechanism.First drive structure is set on the bottom frame of base support.The installation mechanism drive structure and new conveying belt installation mechanism are set on the middle frame of base support.The winding mechanism drive structure and old conveying belt winding mechanism are erected on the top frame of base support, and the winding mechanism drive structure is located directly above the installation mechanism drive structure, and the old conveying belt winding mechanism is located directly above the new conveying belt installation mechanism.

[0004] Belt in belt conveyor is consumable and needs to be replaced regularly, and when replacing the belt, the old belt is pulled out and the new belt is pulled out at the same point in reverse motion, and there is a certain angle difference between the new and old belts, which increases the belt traction force and causes the new belt to deviate during traction process.In order to isolate the new and old belts, reduce the belt traction force and ensure that the new belt is centered and pulled in, a new and old belt isolation device for belt replacement is designed. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a kind of for belt replacement old and new belt isolation device to solve the problem of current belt conveyor to complete belt replacement trouble in prior art.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of for belt replacement old and new belt isolation device, including platform, the upper part of the platform is fixedly provided with upper part roller base, the bottom wall of the upper part and the inside of the upper part roller base is rotatably connected with one-way screw rod, the one-way screw rod is threadedly sleeved with roller support on the two one-way screw rods, the roller support is rotatably connected with roller bar, the two roller bars are arranged in parallel, and the two roller bars are arranged in staggered manner.

[0007] Preferably, the upper part of the platform is rotationally connected with a first bidirectional screw, the upper part of the first bidirectional screw is rotationally connected with two mirror-symmetrical sliders, the sliders slide on the upper part of the platform, the upper part of the slider is fixedly connected with a first vertical rod, the outer side of the first vertical rod is rotationally sleeved with a guide roller, the outer side of the first bidirectional screw is provided with two mirror-symmetrical external threads, the two sliders are threadedly sleeved on the two external threads in the first bidirectional screw, the bottom of the slider is provided with an inverted chevron-shaped cavity, and an inverted chevron-shaped structure is slidably arranged in the inverted chevron-shaped cavity.

[0008] Preferably, the upper part of the platform is fixedly connected with two mounting plates, the two mounting plates are rotationally connected with a mounting block, the upper part of the mounting block is rotationally connected with two second vertical rods, the outer side of the second vertical rod is rotationally sleeved with a limiting roller, and the limiting roller is located between the two guide rollers.

[0009] Preferably, one side of the mounting plate is rotationally connected with a worm gear and a worm that are connected with each other in a meshing mode, and the axis of the worm gear is fixedly connected with one side of the mounting block.

[0010] Preferably, the roller support includes a moving plate, the upper part of the moving plate is fixedly connected with two support plates, the upper part of the support plate is provided with a clamping groove, the two ends of the roller rod are fixedly provided with shaft rods, the shaft rods are inserted into the clamping groove cavities, the upper part of the upper roller base is provided with two chevron-shaped cavities, the bottom of the moving plate is integrally formed with a chevron-shaped structure, and the chevron-shaped structure slides in the chevron-shaped cavity.

[0011] Preferably, the upper part of the moving plate is rotationally connected with a second bidirectional screw, the outer side of the second bidirectional screw is threadedly sleeved with two mirror-symmetrical stabilizing plates, the corresponding positions of the stabilizing plates relative to the shaft rods are provided with rotating holes, the end portions of the shaft rods are inserted into the rotating hole cavities, the outer side of the second bidirectional screw is provided with two mirror-symmetrical external threads, the two stabilizing plates are threadedly sleeved on the two external threads in the second bidirectional screw, the bottom of the stabilizing plate is provided with an inverted chevron-shaped cavity, an inverted chevron-shaped structure is slidably arranged in the inverted chevron-shaped cavity, and the inverted chevron-shaped structure is integrally formed on the upper part of the moving plate.

[0012] Preferably, one end of each of the unidirectional screw, the first bidirectional screw and the second bidirectional screw is fixedly provided with a rocking disc.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] 1. The application can reduce the traction force during belt replacement and ensure that the new belt is centered and pulled in, safely and efficiently completing the belt replacement. The utility model has the advantages of reasonable design, simple operation, strong applicability, safety and efficiency, and is a new and old belt isolation device for belt replacement.

[0015] 2. The application sets up a one-way screw, which drives two groups of supporting roller rods to approach or move away from each other, so that the isolation device can be adjusted according to the width of the new and old belts, thus effectively improving the applicability of the isolation device for belt replacement.

[0016] 3. The application sets up a guide roller and a limiting roller, so that the new and old belts are rectified to avoid misalignment and inclination during the pulling-in process of the new belt, thus effectively improving the stability of the isolation device for belt replacement. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a three-dimensional schematic view of the whole isolation device for belt replacement of new and old belts of the utility model;

[0018] Figure 2 It is a three-dimensional schematic view of the cooperation of the upper supporting roller base and the supporting roller rod of the isolation device for belt replacement of new and old belts of the utility model;

[0019] Figure 3 It is a three-dimensional schematic view of the supporting roller bracket of the isolation device for belt replacement of new and old belts of the utility model;

[0020] Figure 4 It is a three-dimensional schematic view of the cooperation of the limiting roller and the sliding block of the isolation device for belt replacement of new and old belts of the utility model;

[0021] Figure 5 It is a three-dimensional schematic view of the cooperation of the limiting roller and the worm gear of the isolation device for belt replacement of new and old belts of the utility model.

[0022] Reference numerals in the drawing: 1, platform; 2, upper supporting roller base; 3, one-way screw; 4, supporting roller bracket; 401, moving plate; 402, supporting plate; 403, clamping groove; 5, supporting roller rod; 6, first bidirectional screw; 7, sliding block; 8, guide roller; 9, mounting block; 10, limiting roller; 11, worm gear; 12, worm; 13, second bidirectional screw; 14, stabilizing plate; 15, rotating hole; 16, rocking disc; 17, shaft rod. DETAILED DESCRIPTION

[0023] 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.

[0024] Example: Figure 1 - Figure 5 As shown, this utility model provides a technical solution for a belt replacement isolation device, including a platform 1, an upper roller base 2 fixedly installed on the upper part of the platform 1, one-way screws 3 rotatably connected to the upper part and the inner bottom wall of the upper roller base 2, roller brackets 4 threaded on the two one-way screws 3, roller rods 5 rotatably connected to the roller brackets 4, the two roller rods 5 are arranged parallel to each other and staggered relative to each other;

[0025] By rotating the one-way screw 3, the one-way screw 3 drives the roller bracket 4 to slide on the upper roller base 2, thus adjusting the distance between the two roller rods 5.

[0026] The device platform 1 is made of steel plate and can be fixed by welding or bolting. It can withstand large lateral forces and maintain overall stability. The left side provides support for the upper idler base 2 through welded blocks and shaft pins, ensuring the stability of the upper idler base 2. When in use, the old belt can be placed on the idler rod 5 by rotating around the shaft.

[0027] like Figure 1 and Figure 4 As shown, a first bidirectional screw 6 is rotatably connected to the upper part of the platform 1. Two mirror-symmetrical sliders 7 are rotatably connected to the upper part of the first bidirectional screw 6. The sliders 7 slide on the upper part of the platform 1, and a first vertical rod is fixedly connected to the upper part of the sliders 7. A guide roller 8 is rotatably sleeved on the outer side of the first vertical rod. Two mirror-symmetrical external threads are provided on the outer side of the first bidirectional screw 6. The two sliders 7 are respectively threaded onto the two external threads in the first bidirectional screw 6. An inverted convex-shaped cavity is opened at the bottom of the slider 7. An inverted convex-shaped structure is slidably arranged in the inverted convex-shaped cavity. The inverted convex-shaped structure is integrally formed on the upper part of the platform 1.

[0028] The first bidirectional screw 6 is rotated according to the width of the new and old belts. The first bidirectional screw 6 drives the two sliders 7 to move closer or further apart, thereby adjusting the distance between the two guide rollers 8.

[0029] like Figure 1 and Figure 5As shown, the upper part of the platform 1 is fixedly connected with two mounting plates, the two mounting plates are rotatably connected with a mounting block 9, the upper part of the mounting block 9 is rotatably connected with two second vertical rods, the outer side of the second vertical rod is rotatably sleeved with a limiting roller 10, the limiting roller 10 is located between the two guide rollers 8, and the limiting roller 10 is located between the two guide rollers 8.

[0030] As shown in Figure 1 and Figure 5 , the mounting plate is rotatably connected with a worm gear 11 and a worm 12 which are connected with each other, the shaft of the worm gear 11 is fixedly connected with one side of the mounting block 9;

[0031] By rotating the worm 12, the worm 12 drives the mounting block 9 to rotate by the worm gear 11, so that the limiting roller 10 can be conveniently stored, avoiding the limiting roller 10 from hindering the movement of the belt, and at the same time, the limiting roller 10 can also be used to limit the new and old belts.

[0032] As shown in Figure 1 and Figure 3 , the roller support 4 includes a moving plate 401, the upper part of the moving plate 401 is fixedly connected with two support plates 402, the upper part of the support plate 402 is provided with a clamping groove 403, the two ends of the roller shaft 5 are fixedly provided with shaft rods 17, the shaft rods 17 are inserted into the cavities of the clamping grooves 403, and the upper part of the upper roller base 2 is provided with two convex cavities.

[0033] As shown in Figure 1 - Figure 3 , the upper part of the moving plate 401 is rotatably connected with a second bidirectional screw 13, the outer side of the second bidirectional screw 13 is threadedly sleeved with two mirror-symmetrically arranged stabilizing plates 14, the corresponding positions of the stabilizing plates 14 relative to the shaft rods 17 are provided with rotating holes 15, the end portions of the shaft rods 17 are inserted into the cavities of the rotating holes 15, the outer side of the second bidirectional screw 13 is provided with two mirror-symmetrically arranged external threads, the two stabilizing plates 14 are respectively threadedly sleeved on the two external threads in the second bidirectional screw 13, the bottom of the stabilizing plate 14 is provided with an inverted convex cavity, an inverted convex structure is slidably arranged in the inverted convex cavity, and the inverted convex structure is integrally formed on the upper part of the moving plate 401.

[0034] The roller shaft 5 can be placed in the clamping groove 403 cavity on the support plate 402, and then the second bidirectional screw 13 is rotated, the second bidirectional screw 13 drives the distance between the two stabilizing plates 14, and the two shaft rods 17 on the roller shaft 5 are located in the two rotating hole 15 cavities respectively, so as to stabilize the roller shaft 5 and enable the roller shaft 5 to rotate.

[0035] As shown in Figure 1 - Figure 5As shown, one end of the one-way screw rod 3, the first bidirectional screw rod 6 and the second bidirectional screw rod 13 are fixedly provided with a rocking plate 16.

[0036] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, but can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, and 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 embraced in the present application. Any reference signs in the claims should not be regarded as limiting the claims to which they relate.

Claims

1. A device for separating new and old belts during belt replacement, comprising a platform (1), characterized in that: The upper part of the platform (1) is fixedly provided with an upper roller base (2), one-way screws (3) are rotatably connected to the bottom wall of the upper part and the inner part of the upper roller base (2), roller supports (4) are threadedly sleeved on the two one-way screws (3), and roller rods (5) are rotatably connected to the roller supports (4).

2. The device for separating new and old belts during belt replacement according to claim 1, characterized in that: The upper part of the platform (1) is rotatably connected with a first bidirectional screw (6), the first bidirectional screw (6) is rotatably connected with two mirror-symmetrical sliders (7) at the upper part, the sliders (7) slide on the upper part of the platform (1), and the upper part of the slider (7) is fixedly connected with a first vertical rod, and the outer side of the first vertical rod is rotatably sleeved with a guide roller (8).

3. The device for separating new and old belts during belt replacement according to claim 2, characterized in that: The upper part of the platform (1) is fixedly connected with two mounting plates, and the two mounting plates are rotatably connected with a mounting block (9), the upper part of the mounting block (9) is rotatably connected with two second vertical rods, and the outer side of the second vertical rod is rotatably sleeved with a limiting roller (10), and the limiting roller (10) is located between the two guide rollers (8).

4. The device for separating new and old belts during belt replacement according to claim 3, characterized in that: One side of the mounting plate is rotatably connected with a worm wheel (11) and a worm (12) connected with each other, and the axis of the worm wheel (11) is fixedly connected with one side of the mounting block (9).

5. The device for separating new and old belts during belt replacement according to claim 4, characterized in that: The roller support (4) comprises a moving plate (401), two support plates (402) are fixedly connected to the upper part of the moving plate (401), clamping grooves (403) are formed in the upper part of the support plates (402), shaft rods (17) are fixedly arranged at both ends of the roller rod (5), and the shaft rods (17) are inserted into the cavities of the clamping grooves (403).

6. The device for separating new and old belts during belt replacement according to claim 5, characterized in that: The upper part of the moving plate (401) is rotatably connected with a second bidirectional screw (13), the outer side of the second bidirectional screw (13) is threadedly sleeved with two mirror-symmetrical stabilizing plates (14), and the corresponding positions of the stabilizing plates (14) relative to the shaft rods (17) are provided with rotating holes (15), and the end portions of the shaft rods (17) are inserted into the cavities of the rotating holes (15).

7. The device for separating new and old belts during belt replacement according to claim 1, characterized in that: One end of the one-way screw (3), the first bidirectional screw (6) and the second bidirectional screw (13) is fixedly provided with a rocking disc (16).

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