Wide belt conveyor tensioning adjusting device

Abstract

The utility model discloses a tensioning adjusting device of a wide belt conveyor, and relates to the technical field of belt conveyors. The device comprises fixing plates, fixing sleeves, movable strips and a belt roller, the fixing plates are arranged below the outer sides of the two ends of the belt roller, vertical plates are fixed to the middles of the bottoms of the fixing plates, the movable strips are movably connected to the centers in the vertical plates in a penetrating mode, and lug plates are fixed to the two short edges of the bottoms of the movable strips. A rotating screw rod is movably connected into the two lug plates in a penetrating mode, the rotating screw rod is connected into the vertical plate in a penetrating and threaded mode, a fixing sleeve is arranged above each fixing plate, supporting frames are symmetrically fixed to the lower portion of the peripheral side of each fixing sleeve, and a mounting screw rod is fixed to the center of the bottom of each supporting frame. Through the arrangement of the fixing plate, the fixing sleeve, the movable strip and the belt roller, the problems that a wide belt conveyor tensioning adjusting device is not convenient enough to adjust the belt tensioning force and is not convenient enough to install and operate are solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of belt conveyors, in particular to a tensioning and adjusting device for a wide belt conveyor. Background Art

[0002] Wide belt conveyor is a kind of equipment used to convey materials, usually used for material transportation in industrial production. Its main feature is that it uses wide belts as conveying media, can carry a large amount of materials, and can convey them over a long distance. Wide belt conveyors are widely used in mining, ports, electricity, metallurgy, chemical industry and other industries. It is one of the indispensable and important equipment in modern industrial production. In the actual use process, wide belt conveyors will cause the tension of the belt to change, which needs to be adjusted through the adjustment device, but it still has the following disadvantages in actual use:

[0003] 1. When adjusting the tension of the wide belt conveyor, it is necessary to adjust it directly on the support frame of the belt conveyor. During the operation, the adjustment position is close to the working surface of the belt conveyor, so it is necessary to stop the machine for adjustment. After the adjustment, it is necessary to start the machine to confirm the effect of the adjustment. Repeated work is not convenient for adjustment;

[0004] 2. When installing the belt roller of the wide belt conveyor, the belt roller of the belt conveyor is directly installed on the base of the belt conveyor. During the installation process, the corresponding installation structure is installed in the appropriate position. During operation, it is directly installed by installing bolts, and the installation hole position needs to be carefully adjusted, which is more troublesome. Utility Model Content

[0005] The utility model aims to provide a wide belt conveyor tensioning and adjusting device, which solves the problems that the wide belt conveyor tensioning and adjusting device is not convenient for adjusting the belt tensioning force and the installation and operation are not convenient by arranging a fixed plate, a fixed sleeve, a movable strip and a belt roller.

[0006] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0007] The utility model discloses a wide belt conveyor tensioning and adjusting device, comprises a fixing plate, a fixing sleeve, a movable strip and a belt roller, wherein fixing plates are arranged at the lower outer sides of both ends of the belt roller, a vertical plate is fixed at the middle of the bottom of the fixing plate, a movable strip is movably connected through the center of the vertical plate, ear plates are fixed at the two short sides of the bottom of the movable strip, a rotating screw is movably connected through the two ear plates, and the rotating screw is threadably connected in the vertical plate. A fixing sleeve is arranged above each of the fixing plates, a supporting frame is symmetrically fixed to the lower peripheral side of the fixing sleeve, and a mounting screw is fixed at the center of the bottom of each of the supporting frames. When working, the fixing sleeve is supported on the fixing plate through the supporting frame by the fixing plate, and the belt roller is supported thereon by the fixing sleeve, so that the belt roller is supported on the fixing plate, and the rotating screw is driven to rotate by rotating the rotating block below the movable strip, so as to adjust the position of the belt roller and the tension of the belt roller.

[0008] Furthermore, a movable groove is opened on the top of the fixed plate along the horizontal center line, and support plates are fixed at the two short sides of the bottom of the fixed plate. A back plate is fixed to the vertical plate under the same fixed plate and the side of the support plate close to the belt roller. The back plate is fixed to one side of the fixed plate, and the fixed plate is movably connected to the mounting screw through the movable groove, and is fixed to the base of the belt conveyor through the back plate and the support plate.

[0009] Furthermore, a movable opening is opened through the upper inner part of the vertical plate, the movable bar is inserted into the movable opening, a screw hole is opened through the vertical plate below the movable opening, the rotating screw is threadedly connected in the screw hole, the vertical plate is movably connected to the movable bar through the movable opening, and is threadedly connected to the rotating screw through the screw hole.

[0010] Furthermore, the installation screw under the same fixed sleeve is inserted into the movable groove, and the two installation screws under the same fixed sleeve are respectively arranged on both sides of the vertical plate, and rotating blocks are fixed at both ends of the rotating screw. When the fixed sleeve is working, the position is changed by rotating the rotating blocks.

[0011] Furthermore, mounting plates are fixed at the two short sides of the top of the movable bar, and a mounting hole is vertically opened in the mounting plate outside the movable bar. The mounting screws arranged on both sides of the same vertical plate are inserted into the mounting holes on the two mounting plates, and nuts are threadedly connected to the circumferential sides of the mounting screws below the mounting plates, and the movable bar is movably connected to the mounting screws through the mounting holes on the mounting plates.

[0012] Furthermore, connecting shafts are fixed at both ends of the belt roller, closed bearings are fixed in the fixed sleeve, and one end of each connecting shaft away from the belt roller is interference fit in the closed bearing, so that the belt roller is supported on the fixed sleeve.

[0013] The utility model has the following beneficial effects:

[0014] 1. The utility model solves the problem that the wide belt conveyor tensioning force is not convenient to adjust by the tensioning adjustment device of the wide belt conveyor by arranging a fixed plate, a fixed sleeve and a movable strip. After the belt roller is installed on the fixed plate, the nut is first loosened, and the rotating block is rotated. The rotating screw is driven to rotate by the rotation of the rotating block, and the movable strip is driven to move by the threaded connection between the rotating screw and the vertical plate. The movement of the movable strip drives the installation plate to move, and the movement of the installation plate drives the support frame to move. When the support frame moves, the fixed sleeve is driven to move, and the movement of the fixed sleeve drives the belt roller to move, so that the belt roller and the corresponding belt conveyor frame position are adjusted to change the belt tension of the belt conveyor, and then the nut is tightened to complete the work, making it more convenient for the tensioning adjustment device of the wide belt conveyor to adjust the belt tensioning force.

[0015] 2. The utility model solves the problem of inconvenient installation and operation of the wide belt conveyor tensioning and adjusting device by arranging a fixed plate, a fixed sleeve, a movable strip and a belt roller. The two fixed sleeves on the outer sides of the two ends of the belt roller are arranged above the two fixed plates on the base of the belt conveyor, and then the mounting screw at the bottom of the support frame is inserted into the movable groove of the fixed plate, and then extended into the mounting holes on the two mounting plates at the top of the movable strip, and then extended under the mounting plate. The nut is screwed to the bottom end of the mounting screw, and then rotated until it is tightly against the bottom of the mounting plate. The installation of the belt roller is completed, making the installation and operation of the wide belt conveyor tensioning and adjusting device more convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0017] Figure 1 It is a stereoscopic diagram of the assembly structure of a wide belt conveyor tensioning and adjusting device;

[0018] Figure 2 It is a three-dimensional diagram of the fixed plate structure;

[0019] Figure 3 It is a three-dimensional diagram of the fixed sleeve structure;

[0020] Figure 4 It is a three-dimensional diagram of the structure of the activity bar;

[0021] Figure 5 This is a three-dimensional diagram of the belt roller structure.

[0022] Reference numerals:

[0023] 1. Fixed plate; 101. Movable groove; 102. Vertical plate; 103. Screw hole; 104. Movable opening; 105. Support plate; 106. Back plate; 2. Fixed sleeve; 201. Support frame; 202. Mounting screw; 203. Nut; 3. Movable bar; 301. Mounting plate; 302. Mounting hole; 303. Ear plate; 304. Rotating screw; 305. Rotating block; 4. Belt roller; 401. Connecting shaft; 402. Closed bearing. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Specific embodiment 1

[0026] See also Figure 1-5 The utility model is a wide belt conveyor tensioning and adjusting device, comprising a fixed plate 1, a fixed sleeve 2, a movable bar 3 and a belt roller 4. The fixed plates 1 are arranged below the outer sides of both ends of the belt roller 4. When the belt roller 4 is working, it rotates to cooperate with the movement of the belt, and the fixed plate 1 provides support for the fixed sleeve 2. A vertical plate 102 is fixed in the middle of the bottom of the fixed plate 1, and the movable bar 3 and the rotating screw 304 are connected through the vertical plate 102. The movable bar 3 is movably connected to the center of the vertical plate 102. Ear plates 303 are fixed at the two short sides of the bottom of the movable bar 3. The two ear plates 303 are movably connected to the rotating screw 304. The rod 304 is threadedly connected in the vertical plate 102. When the screw 304 is rotated, the ear plate 303 is driven to change position. The ear plate 303 changes position, so that the movable bar 3 changes position. At this time, the fixed sleeve 2 changes position above the fixed plate 1, driving the belt roller 4 to move. A fixed sleeve 2 is provided above each fixed plate 1, and a support frame 201 is symmetrically fixed on the lower part of the peripheral side of the fixed sleeve 2. A mounting screw 202 is fixed at the bottom center of each support frame 201. The support frame 201 connected by the fixed sleeve 2 is supported on the fixed plate 1, and the mounting screw 202 on the support frame 201 passes through the movable groove 101 and enters the mounting plate 301.

[0027] Specifically, a movable groove 101 is opened on the top of the fixed plate 1 along the horizontal center line, and support plates 105 are fixed at the two short sides of the bottom of the fixed plate 1. The vertical plate 102 under the same fixed plate 1 and the side of the support plate 105 close to the belt roller 4 are jointly fixed with a back plate 106. The back plate 106 is fixed to one side of the fixed plate 1. The fixed plate 1 is movably connected to the mounting screw 202 through the movable groove 101. The bottoms of the support plate 105 and the back plate 106 are fixed on the base of the belt conveyor, so that the fixed plate 1 is supported on the base of the belt conveyor.

[0028] Furthermore, a movable opening 104 is opened through the upper inner portion of the vertical plate 102, and the movable bar 3 is inserted into the movable opening 104. A screw hole 103 is opened through the vertical plate 102 below the movable opening 104, and a rotating screw rod 304 is threadedly connected in the screw hole 103. When the vertical plate 102 is working, the movable bar 3 is movably connected through the movable opening 104, and the rotating screw rod 304 is threadedly connected through the screw hole 103.

[0029] Furthermore, the mounting screw 202 under the same fixed sleeve 2 is inserted into the movable groove 101, and the two mounting screws 202 under the same fixed sleeve 2 are respectively arranged on both sides of the vertical plate 102, and both ends of the rotating screw 304 are fixed with a rotating block 305. When the fixed sleeve 2 is working, the mounting screw 202 is inserted into the movable groove 101, and then inserted into the upper mounting hole 302 of the mounting plate 301, and the rotating screw 304 is driven to rotate by rotating the rotating block 305.

[0030] Furthermore, mounting plates 301 are fixed at the two short sides at the top of the movable bar 3, and a mounting hole 302 is vertically opened in the mounting plate 301 outside the movable bar 3, and the mounting screws 202 arranged on both sides of the same vertical plate 102 are inserted into the mounting holes 302 on the two mounting plates 301, and the mounting screws 202 below the mounting plates 301 are threadedly connected with nuts 203 on the sides. After the mounting screws 202 pass through the movable groove 101 on the fixed plate 1 and are inserted into the mounting holes 302 on the mounting plate 301, the nut 203 is screwed onto the mounting screws 202, and the installation of the fixed sleeve 2 is completed after tightening.

[0031] The operation process of this embodiment is: when working, the two outer fixing sleeves 2 at both ends of the belt roller 4 are set above the two fixed plates 1 on the base of the belt conveyor, and then the mounting screw 202 at the bottom of the support frame 201 is inserted into the movable groove 101 on the fixed plate 1, and then extended into the mounting hole 302 on the two mounting plates 301 at the top of the movable bar 3, and then extended under the mounting plate 301, the nut 203 is screwed to the bottom end of the mounting screw 202, and then rotated to be tightly against the bottom of the mounting plate 301, to complete the installation of the belt roller 4. Specific embodiment 2

[0033] See also Figure 1 , 2 , 4, 5, on the basis of the specific embodiment 1, connecting shafts 401 are fixed at both ends of the belt roller 4, and closed bearings 402 are fixed in the fixed sleeve 2, and one end of each connecting shaft 401 away from the belt roller 4 is interference fit in the closed bearing 402. During operation, the belt is wound around the circumference of the belt roller 4, connected to the closed bearing 402 through the connecting shaft 401, and fixed in the fixed sleeve 2 through the closed bearing 402, so as to support the belt roller 4 on the fixed plate 1.

[0034] The operation process of this embodiment is as follows: during operation, after the belt roller 4 is installed on the fixed plate 1, first loosen the nut 203, and rotate the rotating block 305. The rotating screw 304 is driven to rotate through the rotation of the rotating block 305, and the rotating screw 304 is threadedly connected with the vertical plate 102 to drive the movable bar 3 to move, and the movement of the movable bar 3 drives the mounting plate 301 to move, and the movement of the mounting plate 301 drives the support frame 201 to move. When the support frame 201 moves, the fixed sleeve 2 is driven to move, and the movement of the fixed sleeve 2 drives the belt roller 4 to move, so that the belt roller 4 is adjusted with the corresponding belt conveyor frame position to change the belt tension of the belt conveyor, and then tighten the nut 203 to complete the work.

[0035] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0036] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A wide belt conveyor tensioning and adjusting device, comprising a fixed plate (1), a fixed sleeve (2), a movable bar (3) and a belt roller (4), characterized in that: A fixing plate (1) is provided below the outer sides of both ends of the belt roller (4); a vertical plate (102) is fixed in the middle of the bottom of the fixing plate (1); a movable bar (3) is movably connected to the center of the vertical plate (102); ear plates (303) are fixed at the two short sides of the bottom of the movable bar (3); a rotating screw (304) is movably connected to the two ear plates (303); the rotating screw (304) is threadedly connected to the vertical plate (102); a fixing sleeve (2) is provided above each fixing plate (1); a support frame (201) is symmetrically fixed to the lower part of the peripheral side of the fixing sleeve (2); and a mounting screw (202) is fixed to the center of the bottom of each support frame (201).

2. A wide belt conveyor tensioning and adjusting device according to claim 1, characterized in that: A movable groove (101) is provided on the top of the fixed plate (1) along the transverse center line, and support plates (105) are fixed to the two short sides of the bottom of the fixed plate (1). A back plate (106) is fixed to the vertical plate (102) below the fixed plate (1) and the side of the support plate (105) close to the belt roller (4), and the back plate (106) is fixed to one side of the fixed plate (1).

3. The wide belt conveyor tensioning and adjusting device according to claim 1, characterized in that: A movable opening (104) is provided through the upper inner portion of the vertical plate (102), the movable bar (3) is inserted through the movable opening (104), a screw hole (103) is provided through the vertical plate (102) below the movable opening (104), and the rotating screw rod (304) is threadedly connected in the screw hole (103).

4. The wide belt conveyor tensioning and adjusting device according to claim 1, characterized in that: The mounting screw rod (202) below the same fixed sleeve (2) is inserted into the movable groove (101), and the two mounting screw rods (202) below the same fixed sleeve (2) are respectively arranged on both sides of the vertical plate (102), and rotating blocks (305) are fixed at both ends of the rotating screw rod (304).

5. A wide belt conveyor tensioning and adjusting device according to claim 4, characterized in that: Mounting plates (301) are fixed to the two short sides of the top of the movable bar (3); a mounting hole (302) is vertically provided in the mounting plate (301) outside the movable bar (3); mounting screws (202) disposed on both sides of the same vertical plate (102) are inserted into the mounting holes (302) on the two mounting plates (301); and a nut (203) is threadedly connected to the circumferential side of the mounting screw (202) below the mounting plate (301).

6. A wide belt conveyor tensioning and adjusting device according to claim 1, characterized in that: Both ends of the belt roller (4) are fixed with connecting shafts (401), and closed bearings (402) are fixed in the fixing sleeve (2). The end of each connecting shaft (401) away from the belt roller (4) is interference-fitted in the closed bearing (402).

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