Roller support that can correct deviation and facilitate roller replacement

Abstract

The present invention discloses a roller support that can correct deviation and is convenient for replacing rollers, comprising a base, a lifting mechanism is provided on the base, the lifting mechanism is provided at the bottom end of a horizontal roller support, the side surfaces of both side ends of the horizontal roller support are hinged with an inclined roller support, the other end of the inclined roller support is provided with a threaded rod; two locking components are provided between the horizontal roller support and the base. The roller support is combined with a lifting component through a ball screw to realize the lifting and lowering of the roller support, which is convenient for replacing rollers; the inclined roller support can realize the adjustment of the inclination angle of a single inclined roller through a threaded rod, realize buffering transition and belt correction; the lifting component combined with the threaded rod can realize the horizontal angle adjustment of the entire roller support group, which is convenient for belt correction; in addition, a locking component is provided for adjusting and fixing the angle of the roller along the belt direction to ensure that its angle is not affected by the running condition of the belt and improve the stability of the conveying operation.

Description

Technical Field

[0001] The invention relates to belt conveyor components, in particular to a roller support bracket capable of correcting deviation and facilitating replacement of rollers. Background Art

[0002] Rollers are important components of belt conveyors, with many types and large quantities. The function of rollers is to support the weight of the conveyor belt and materials, thereby reducing the friction between the conveyor belt and the rollers, which plays a key role in the life of the conveyor belt, which accounts for more than 25% of the total cost of the conveyor. The roller bracket is a device for placing and fixing the rollers. The design of the roller bracket is directly related to the flexibility of the rollers during use.

[0003] The existing roller bracket is an integral fixed structure, and the rollers are directly fixed on the roller bracket. Such a structure has the following problems during use: first, if one of the rollers is damaged and needs to be replaced, the entire roller bracket must be dismantled, or two or more people must cooperate to lift the tape with the help of external force, and use tools to remove the roller from the bracket and install a new one. The operation is cumbersome and inconvenient, time-consuming and labor-intensive, and has low work efficiency, and there are also safety hazards; second, the roller is directly fixed on the roller bracket, and the inclination angle cannot be adjusted, which cannot meet the use requirements under different working conditions; in addition, the roller bracket is an integral fixed structure. Once the roller bracket has a problem, it can only be scrapped as a whole and replaced with a new one, causing waste and increasing the production and maintenance costs of the enterprise. Summary of the invention

[0004] In view of the deficiencies in the prior art, the present invention provides a roller support that can correct deviations and is convenient for replacing rollers. The roller support is combined with a lifting assembly through a ball screw to realize the up and down lifting of the roller support, which is convenient for replacing rollers, saving time and effort, and has high work efficiency and good safety performance; the inclined roller support can realize the adjustment of the inclination angle of a single inclined roller through the threaded rod at the inclined end, so that the conveyor belt roller group and the belt roller have a buffer transition, and it is also convenient for correcting the deviation of the belt during transportation; the lifting assembly is combined with the threaded rod to realize the horizontal angle adjustment of the entire roller support group, which is beneficial to correcting the deviation of the belt during transportation; in addition, a locking assembly is provided for adjusting and fixing the angle of the roller along the direction of the belt to ensure that its angle is not affected by the running condition of the belt, thereby improving the stability of the conveying operation.

[0005] In order to achieve the above object, the technical solution adopted by the present invention is:

[0006] The roller support bracket which can correct deviation and facilitate replacement of rollers comprises a rectangular frame-shaped and hollow base, a lifting guide shaft mounting seat is arranged at the center of the base, a vertically arranged lifting guide shaft is sleeved in the lifting guide shaft mounting seat, the lifting guide shaft is penetrated by a ball screw arranged horizontally in the base, a rocker is arranged at one end of the ball screw, a group of lifting components located on both sides of the lifting guide shaft are arranged at the other end of the ball screw, the lifting components all comprise component fixing parts fixed on the ball screw, a component bottom plate is arranged at the bottom end of the component fixing parts, and both sides of the component fixing parts are hinged with a flat plate The bottom ends of the parallelogram movable parts are hinged to the bottom plate of the component, the top ends of the parallelogram movable parts are hinged to the lifting plate, the side ends of the parallelogram movable parts are hinged to a sliding part, the sliding part is sleeved on the ball screw and connected with the ball screw, the top end of the lifting guide shaft is provided with a guide shaft bearing, a lifting connecting plate is provided below the guide shaft bearing, the lifting connecting plate is embedded in the lifting guide shaft, and the lifting connecting plates are connected to the two lifting plates, the guide shaft bearing is fixed to the bottom end of a horizontal roller bracket, and the horizontal roller bracket A Y-shaped roller fixing block is provided above both side ends of the frame, an inclined roller bracket is hinged on the side of both side ends of the horizontal roller bracket, and a Y-shaped roller fixing block is also provided at one end of the inclined roller bracket adjacent to the horizontal roller bracket, and a threaded rod is provided at the other end of the inclined roller bracket, the threaded rod passes through the end of the inclined roller bracket and can move up and down therein, a Y-shaped roller fixing block is provided at the top of the threaded rod, and the bottom end of the threaded rod passes through the inclined roller bracket and continues to extend downward; two locking components are provided between the horizontal roller bracket and the base, and the locking components They all include an arc-shaped tooth fixing plate fixed on the horizontal roller bracket, and teeth are evenly arranged on the arc side of the tooth fixing plate. The locking assembly also includes a square plate fixed horizontally in the base, and an L-shaped adjustment plate is provided on the square plate. The adjustment plate is horizontally provided with a clamping plate that can be embedded in the teeth, and the clamping plate is hinged to a movable plate vertically fixed on the adjustment plate. The movable plate is provided with an adjustment spring, and the end of the adjustment spring is connected to one end of the adjustment movable shaft. The adjustment movable shaft passes through the upper end of the adjustment plate, and the other end of the adjustment movable shaft is connected to a handle.

[0007] As a preferred technical solution, in order to ensure that the adjusting spring has good elastic deformation, ensure the normal operation of the locking assembly, and further ensure the normal operation of the roller bracket and avoid unplanned shutdown, the adjusting spring is a high-strength spring.

[0008] Compared with the prior art, the present invention has the following beneficial effects:

[0009] 1. The roller bracket can be lifted up and down by the ball screw combined with the lifting component, which is convenient for replacing rollers, saving time and effort, with high work efficiency and good safety performance; the inclined roller bracket can adjust the inclination angle of a single inclined roller through the threaded rod at the inclined end, so as to buffer the transition between the conveyor belt roller group and the belt roller, and also facilitate the belt deviation correction during transportation; the lifting component combined with the threaded rod can realize the horizontal angle adjustment of the entire roller bracket group, which is conducive to the belt deviation correction during transportation; in addition, a locking component is provided to adjust and fix the angle of the roller along the belt direction to ensure that its angle is not affected by the running condition of the belt and improve the stability of the conveying operation.

[0010] 2. Set up high-strength springs to ensure that the adjustment springs have good elastic deformation, ensure the normal operation of the locking components, and thus ensure the normal operation of the roller bracket to avoid unplanned downtime. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0012] Figure 1 It is a structural schematic diagram of the present invention;

[0013] Figure 2 It is the assembly drawing of horizontal roller bracket and inclined roller bracket;

[0014] Figure 3 is a schematic diagram of the structure of the lifting assembly;

[0015] Figure 4 is a schematic diagram of the structure of the locking assembly;

[0016] Figure 5 is a schematic diagram of the structure of the base;

[0017] Figure numbers: 1. Base, 2. Lifting guide shaft mounting seat, 3. Lifting guide shaft, 4. Ball screw, 5. Rocker, 6. Lifting assembly, 6-1. Assembly fixing part, 6-2. Assembly bottom plate, 6-3. Parallelogram movable part, 6-4. Lifting plate, 6-5. Sliding part, 7. Guide shaft bearing, 8. Horizontal roller bracket, 9. Roller fixing block, 10. Inclined roller bracket, 11. Threaded rod, 12. Locking assembly, 12-1. Tooth fixing plate, 12-2. Square plate, 12-3. Adjustment plate, 12-4. Card plate, 12-5. Movable plate, 12-6. Adjustment spring, 12-7. Adjustment movable shaft, 12-8. Handle. DETAILED DESCRIPTION

[0018] like Figure 1As shown in the figure, a specific embodiment of the present invention is proposed, which can correct deviation and facilitate the replacement of rollers, including a rectangular frame-shaped and hollow base 1, and a lifting guide shaft mounting seat 2 is provided at the center of the base 1. Figure 5 As shown, a vertically arranged lifting guide shaft 3 is sleeved in the lifting guide shaft mounting seat 2, and the lifting guide shaft 3 is penetrated by a ball screw 4 arranged horizontally in the base 1, so the ball screw 4 is arranged parallel to the base 1 and perpendicular to the lifting guide shaft 3, and a rocker 5 is arranged at one end of the ball screw 4, and the ball screw 4 can be rotated by shaking the rocker 5, and a group of lifting components 6 located on both sides of the lifting guide shaft 3 are arranged at the other end of the ball screw 4, and the lifting components 6 include component fixing parts fixed on the ball screw 4 6-1, a component bottom plate 6-2 is provided at the bottom end of the component fixing member 6-1, a parallelogram movable member 6-3 is hinged on both sides of the component fixing member 6-1, the bottom end of the parallelogram movable member 6-3 is hinged to the component bottom plate 6-2, the top end of the parallelogram movable member 6-3 is hinged to the lifting plate 6-4, the side end of the parallelogram movable member 6-3 is hinged to a sliding member 6-5, the sliding member 6-5 is sleeved on the ball screw 4 and is connected with the ball screw 4, such as Figure 3 As shown, the sliding member 6-5 can slide straightly back and forth with the rotation of the ball screw 4, thereby changing the distance between the diagonals of the parallelogram on both sides, so that the lifting plate 6-4 can be moved up and down. The top of the lifting guide shaft 3 is provided with a guide shaft bearing 7, and a lifting connecting plate is provided below the guide shaft bearing 7. The lifting connecting plate is embedded in the lifting guide shaft 3, and the lifting connecting plates are connected to the two lifting plates 6-4. The two lifting components 6 can move up and down along the lifting guide shaft 3, so that the two lifting plates 6-4 drive the lifting connecting plates to move up and down at the same time, and the guide shaft bearing 7 also moves up and down. The guide shaft bearing 7 is fixed to the bottom end of a horizontal roller bracket 8, and the horizontal roller bracket 8 can Under the action of the ball screw 4 and the two lifting components 6, up and down lifting is realized. A Y-shaped roller fixing block 9 is provided above the two side ends of the horizontal roller bracket 8. An inclined roller bracket 10 is hinged on the side of the two side ends of the horizontal roller bracket 8. One end of the inclined roller bracket 10 adjacent to the horizontal roller bracket 8 is also provided with a Y-shaped roller fixing block 9. The other end of the inclined roller bracket 10 is provided with a threaded rod 11. The threaded rod 11 penetrates the end of the inclined roller bracket 10 and can move up and down therein. The top of the threaded rod 11 is provided with a Y-shaped roller fixing block 9. The bottom end of the threaded rod 11 penetrates the inclined roller bracket 10 and continues to extend downward. Figure 2As shown; two locking components 12 are arranged between the horizontal roller bracket 8 and the base 1, and the locking components 12 include an arc-shaped tooth fixing plate 12-1 fixed on the horizontal roller bracket 8, and teeth are evenly provided on the arc side of the tooth fixing plate 12-1. The locking component 12 also includes a square plate 12-2 fixed horizontally in the base 1, and an L-shaped adjustment plate 12-3 is arranged on the square plate 12-2. The adjustment plate 12-3 is horizontally provided with a card plate 12-4 that can be embedded in the teeth. The card plate 12-4 is hinged to a movable plate 12-5 vertically fixed on the adjustment plate 12-3. The movable plate 12-5 is provided with an adjustment spring 12-6, and the end of the adjustment spring 12-6 is connected to one end of an adjustment movable shaft 12-7. The adjustment movable shaft 12-7 passes through the upper end of the adjustment plate 12-3, and the other end of the adjustment movable shaft 12-7 is connected to a handle 12-8, as shown Figure 4 As shown, the handle 12-8 is pressed to release or tighten the adjustment spring 12-6, so that the clamping plate 12-4 is embedded in or popped out of the teeth on the tooth fixing plate 12-1, thereby realizing the locking function.

[0019] The adjusting spring 12 - 6 is a high-strength spring, which ensures that the adjusting spring 12 - 6 has good elastic deformation, ensures the normal operation of the locking assembly 12, and further ensures the normal operation of the roller bracket to avoid unplanned shutdown.

[0020] Of course, the above is only a detailed description of the preferred specific implementation methods of the present invention in conjunction with the drawings, and is not intended to limit the scope of implementation of the present invention. All equivalent changes made based on the principles, constructions and structures of the present invention should be included in the protection scope of the present invention.

Claims

1. The roller support can correct deviation and is convenient for replacing rollers, and its characteristics are: The invention comprises a base (1) in the shape of a rectangular frame and hollow inside, wherein a lifting guide shaft mounting seat (2) is provided at the center of the base (1), a lifting guide shaft (3) is sleeved in the lifting guide shaft mounting seat (2), the lifting guide shaft (3) is penetrated by a ball screw (4) arranged horizontally in the base (1), a rocker (5) is provided at one end of the ball screw (4), and a group of lifting components (6) located on both sides of the lifting guide shaft (3) are provided at the other end of the ball screw (4), and the lifting components (6) each comprise a lifting member fixed on the ball screw (4); ), the bottom end of the component fixing member (6-1) is provided with a component bottom plate (6-2), both sides of the component fixing member (6-1) are hinged with a parallelogram movable member (6-3), the bottom end of the parallelogram movable member (6-3) is hinged with the component bottom plate (6-2), the top end of the parallelogram movable member (6-3) is hinged on the lifting plate (6-4), the side ends of the parallelogram movable member (6-3) are hinged on a sliding member (6-5), and the sliding member (6-5) is sleeved On the ball screw (4) and in cooperation with the ball screw (4), the top end of the lifting guide shaft (3) is provided with a guide shaft bearing (7), a lifting connection plate is provided below the guide shaft bearing (7), the lifting connection plate is embedded in the lifting guide shaft (3), and the lifting connection plates are connected to the two lifting plates (6-4), the guide shaft bearing (7) is fixed to the bottom end of a horizontal roller bracket (8), and a Y-shaped roller fixing block (9) is provided above both side ends of the horizontal roller bracket (8), and both sides of the horizontal roller bracket (8) are provided with a plurality of roller fixing blocks (9). The side surfaces of the ends are hingedly connected with an inclined roller bracket (10), one end of the inclined roller bracket (10) adjacent to the horizontal roller bracket (8) is also provided with a Y-shaped roller fixing block (9), and the other end of the inclined roller bracket (10) is provided with a threaded rod (11), the threaded rod (11) passes through the end of the inclined roller bracket (10) and can move up and down therein, the top end of the threaded rod (11) is provided with a Y-shaped roller fixing block (9), and the bottom end of the threaded rod (11) passes through the inclined roller bracket (10) and continues to extend downward;Two locking assemblies (12) are provided between the horizontal roller support (8) and the base (1), and the locking assemblies (12) each include an arc-shaped tooth fixing plate (12-1) fixed on the horizontal roller support (8), and teeth are evenly arranged on the arc side surface of the tooth fixing plate (12-1). The locking assemblies (12) also include a square plate (12-2) fixed transversely in the base (1), and an L-shaped adjustment plate (12-3) is provided on the square plate (12-2), and a clamping plate (12-4) that can be clamped in the teeth is provided transversely on the adjustment plate (12-3), and the clamping plate (12-4) is connected to the vertical fixing The movable plate (12-5) on the adjustment plate (12-3) is hinged, and the movable plate (12-5) is provided with an adjustment spring (12-6), and the end of the adjustment spring (12-6) is connected to one end of the adjustment movable shaft (12-7), and the adjustment movable shaft (12-7) passes through the upper end of the adjustment plate (12-3), and the other end of the adjustment movable shaft (12-7) is connected to a handle (12-8), and the handle (12-8) is pressed to release or tighten the adjustment spring (12-6), so that the clamping plate (12-4) is embedded in or ejected from the teeth on the tooth fixing plate (12-1), thereby realizing the locking function. ; 2. The roller support capable of correcting deviation and facilitating replacement of rollers according to claim 1 is characterized in that: The adjusting spring (12-6) is a high-strength spring.

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