CN214166316U - Conveyer belt overspeed device tensioner - Google Patents

Abstract

The utility model is suitable for a conveyer belt field provides a conveyer belt tensioning device, including two tensioning rollers that can carry out position control and the rotation adjusting seat that can realize carrying out rotation adjustment to the tensioning rollers; the two tensioning rollers are rotatably arranged on the rotary adjusting seat; an adjustable telescopic bracket is fixedly connected to one end face of the rotation adjusting seat far away from the tensioning roller; the upper end of the adjustable telescopic bracket is provided with the connecting seat, so that the tensioning roller can be adjusted by rotating the adjusting seat, and the adjustment is convenient; the tensioning effect is enhanced by the angular change produced by the two tensioning rollers with adjustable spacing.

Description

Conveyer belt overspeed device tensioner

Technical Field

The utility model relates to a conveyer belt field especially relates to a conveyer belt overspeed device tensioner.

Background

Belt conveyors are commonly used for carrying and transporting materials, and the operating principle of the belt conveyors is that a conveyor wheel rotates to drive a conveyor belt to translate, so that materials placed on the conveyor belt are conveyed from one end to the other end. Belt conveyors are used in a wide variety of applications, for example, in the transportation of gravel and sand, and because gravel and sand have a large weight and a flexible conveyor belt, when gravel and sand fall onto the conveyor belt, the conveyor belt is easily deformed to be ductile, thereby greatly affecting the normal operation of the conveyor belt. The existing way to solve this problem is by installing the tensioner.

The tensioning device in the prior art is inconvenient to adjust and has poor tensioning effect.

In view of the above, the prior art is obviously inconvenient and disadvantageous in practical use, and needs to be improved.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned drawbacks, the present invention provides a conveyor belt tensioning device, which can realize convenient adjustment of the tensioning roller by rotating the adjusting seat; the tensioning effect is enhanced by the angular change produced by the two tensioning rollers.

In order to achieve the purpose, the utility model provides a conveyer belt tensioning device, which comprises two tensioning rollers and a rotation adjusting seat which can realize rotation adjustment of the tensioning rollers; the distance between the two tensioning rollers is adjustable; the two tensioning rollers are rotatably arranged on the rotary adjusting seat; an adjustable telescopic bracket is fixedly connected to one end face of the rotation adjusting seat far away from the tensioning roller; the upper end of the adjustable telescopic support is provided with a connecting seat.

According to the conveyer belt tensioning device of the utility model, a bar-shaped chute is arranged on one end surface of the rotary adjusting seat; a first sliding block and a second sliding block are arranged in the strip-shaped sliding groove in a sliding mode; one of the tension rollers is rotatably mounted on the first slide block; the other tensioning roller is rotatably arranged on the second sliding block; the second sliding block is sleeved in the first sliding block; and a fixing component is arranged among the first sliding block, the second sliding block and the strip-shaped sliding groove, and the first sliding block and the second sliding block are fixed in position in the strip-shaped sliding groove through the fixing component.

According to the utility model discloses a conveyer belt tensioning device, the fixing component comprises a plurality of positioning holes arranged on the first sliding block and the second sliding block, and a threaded hole and a bolt arranged at the center in the strip-shaped sliding chute; the bolt penetrates through the positioning hole and is screwed in the threaded hole.

According to the conveying belt tensioning device of the utility model, the rotation adjusting seat comprises a fixed seat, a rotation shell and a ratchet mechanism arranged in the rotation shell; the ratchet mechanism comprises a ratchet rack fixedly connected to the inner wall of the rotating shell and a ratchet claw arranged at the center of the fixed seat; the ratchet wheel claw is matched with the ratchet wheel rack.

According to the conveyer belt tensioning device of the utility model, the peripheral outer wall of the rotating shell is provided with the inserting groove; and a driving rod is inserted in the insertion groove.

According to the utility model discloses a conveyer belt overspeed device tensioner, the cross-sectional shape of bar spout is type.

The utility model provides a conveyer belt tensioning device, which comprises two tensioning rollers capable of adjusting positions and a rotation adjusting seat capable of adjusting the rotation of the tensioning rollers; the two tensioning rollers are rotatably arranged on the rotary adjusting seat; an adjustable telescopic support is fixedly connected to one end face, far away from the tensioning roller, of the rotary adjusting seat, and the effect of supporting is achieved through the adjustable telescopic support; the upper end of the adjustable telescopic support is provided with a connecting seat which is arranged on the conveyer belt support. The utility model discloses produced beneficial effect is: the tensioning roller can be conveniently adjusted by rotating the adjusting seat; the tensioning effect is enhanced by the angular change produced by the two tensioning rollers.

Drawings

FIG. 1 is a schematic view of the installation of the present invention; fig. 2 is a schematic structural diagram of the present invention; FIG. 3 is a schematic view of the ratchet mechanism in the rotary adjustment housing of FIG. 2; FIG. 4 is a cross-sectional view of portion A of FIG. 2; FIG. 5 is a positional view of the threaded hole of FIG. 4; FIG. 6 is a view showing the engagement of the first slider with the second slider in FIG. 1; in the figure, 1-connecting seat, 2-adjustable telescopic support, 3-rotary adjusting seat, 4-tensioning roller, 5-first sliding block, 6-second sliding block, 7-bolt, 8-inserting groove, 9-driving rod, 21-first loop bar, 22-second loop bar, 31-fixing seat, 32-rotary shell, 33-ratchet rack, 34-ratchet claw, 41-tensioning area, 51-positioning hole, 52-strip-shaped sliding groove, 53-threaded hole, 110-conveying belt and 111-conveying belt support.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments, it is to be understood that the specific embodiments described herein are only used for explaining the present invention, and are not used for limiting the present invention.

Referring to fig. 1 and 2, the present invention provides a conveyor belt tensioning device, which includes two tensioning rollers 4 and a rotation adjusting seat 3 capable of adjusting the rotation of the tensioning rollers 4; the distance between the two tension rollers 4 is adjustable;

the two tensioning rollers 4 are rotatably arranged on the rotary adjusting seat 3; an adjustable telescopic bracket 2 is fixedly connected to one end face of the rotary adjusting seat 3 away from the tensioning roller 4; the upper end of the adjustable telescopic bracket 2 is provided with a connecting seat 1; the adjustable telescopic bracket 2 comprises a first loop bar 21 and a second loop bar 22 which are mutually sleeved and fixed in position through fasteners; the fastener may be a fastening screw or a fastening bolt.

A tension area 41 is formed between the two tension rollers 4; the conveyor belt to be tensioned passes through the tensioning zone 41.

Referring to fig. 1 and 6, preferably, one of the tension rollers 4 of the present invention is rotatably mounted to the first slide 5; the other tensioning roller 4 is rotatably arranged on the second sliding block 6; the second sliding block 6 is sleeved in the first sliding block 5; the rotary adjusting seat 3 is provided with a strip-shaped sliding groove 52; the first sliding block 5 and the second sliding block 6 are both slidably mounted on the strip-shaped sliding groove 52;

a fixing component is arranged among the first sliding block 5, the second sliding block 6 and the strip-shaped sliding groove 52, and the fixing of the positions of the first sliding block 5 and the second sliding block 6 in the strip-shaped sliding groove 52 is realized through the fixing component;

preferably, the bar-shaped sliding groove 52 has a convex cross section, so that the sliding effect is improved, and the first sliding block 5 and the second sliding block 6 mounted inside the sliding groove can be well positioned.

Referring to fig. 2, 4 and 5, the fixing assembly includes a plurality of positioning holes 51 formed in the first slider 5 and the second slider 6, a threaded hole 53 formed in the center of the bar-shaped sliding groove 52, and a bolt 7; the bolt 7 is screwed into the threaded hole 53 through the positioning hole 51. The fixing component is simple in structure and obvious in fastening effect.

When adjusting the distance between the tensioning roller 4, because the position of screw hole 53 is unchangeable, only need according to the distance of predetermineeing between two tensioning rollers 4 with first slider 5 and second slider 6 go up corresponding locating hole 51 coincide, at last through bolt 7 fasten in the bar spout 52 can.

Referring to fig. 2 and 3, in addition, the rotation adjusting base 3 of the present invention includes a fixing base 31, a rotation housing 32, and a ratchet mechanism disposed in the rotation housing 32;

the ratchet mechanism comprises a ratchet rack 33 fixedly connected to the inner wall of the rotating shell 32 and a ratchet claw 34 arranged at the center of the fixed seat 31; the ratchet pawl 34 is mounted in cooperation with the ratchet rack 33. The rotation of the housing 32 in one direction is achieved by a ratchet mechanism, the other direction is non-rotatable, and the direction of rotation is adjustable by rotating the housing 32.

Furthermore, the peripheral outer wall of the rotating shell 32 of the utility model is provided with an inserting groove 8; the driving rod 9 is inserted into the insertion groove 8, the driving rod 9 drives the rotating shell 32 to rotate, and the adjustment is convenient and labor-saving.

Referring to fig. 1 and 2, in this example, the apparatus is installed by first installing the connecting base 1 on the belt support 111, removing one of the tension rollers 4, placing the belt 110 between the two tension rollers 4, and then installing the removed tension roller 4.

When the distance between the two tensioning rollers 4 is adjusted;

firstly, the bolt 7 for fixing is dismounted; the first sliding block 5 and the second sliding block 6 which are provided with the tension roller 4 are adjusted in a sliding mode; after the two tensioning rollers 4 are adjusted to the preset positions, the first sliding block 5 and the second sliding block 6 are fixed in position in the strip-shaped sliding groove 52 through the bolt 7. When the distance between the two tension rollers 4 is larger, the rotating adjusting seat 3 is adjusted to enable the two tension rollers 4 to rotate, and the tensioning range is larger. When the distance between the two tension rollers 4 is smaller, the rotation adjusting seat 3 is adjusted to enable the two tension rollers 4 to rotate, and the tension range is smaller.

When the two tension rollers 4 are angularly adjusted;

referring to fig. 1, the driving rod 9 is inserted into the insertion slot 8, the driving rod 9 drives the rotating shell 32 to rotate along the adjustable direction of the ratchet mechanism, and the rotating shell 32 drives the two tensioning rollers 4 to generate angle change; the change caused by the two tensioning rollers 4 drives the conveyor belt 110 passing through the tensioning area 41 to deform, and finally the purpose of tensioning the conveyor belt 110 is achieved.

It is worth to say that, during the regulation, the contained angle R of two tensioning roller 4 place planes and conveyer belt 110 conveying plane is 0~75, and this contained angle R is tensioning roller 4's rotation control range, and when adjusting tensioning roller 4 through rotating regulation seat 3 and rotating in this contained angle R and adjusting still can't reach best rate of tension to conveyer belt 110, the adjustable telescopic bracket 2 of accessible drawing coordinates and adjusts.

When the distance between the two tensioning rollers 4 is fixed, the larger the rotation included angle R is, the better the tensioning effect is.

In summary, the utility model provides a conveyer belt tensioning device, which comprises two tensioning rollers capable of adjusting positions and a rotation adjusting seat capable of adjusting the rotation of the tensioning rollers; the two tensioning rollers are rotatably arranged on the rotary adjusting seat; an adjustable telescopic support is fixedly connected to one end face, far away from the tensioning roller, of the rotary adjusting seat, and the effect of supporting is achieved through the adjustable telescopic support; the upper end of the adjustable telescopic support is provided with a connecting seat which is arranged on the conveyer belt support. The utility model discloses produced beneficial effect is: the tensioning roller can be conveniently adjusted by rotating the adjusting seat; the tensioning effect is enhanced by the arrangement of the two tensioning rollers.

Naturally, the present invention can be embodied in many other forms without departing from the spirit or essential attributes thereof, and it should be understood that various changes and modifications can be made by one skilled in the art without departing from the spirit or essential attributes thereof, and it is intended that all such changes and modifications be considered as within the scope of the appended claims.

Claims (6)

1. A conveyer belt tensioning device is characterized by comprising two tensioning rollers and a rotation adjusting seat capable of realizing rotation adjustment of the tensioning rollers; the distance between the two tensioning rollers is adjustable;

the two tensioning rollers are rotatably arranged on the rotary adjusting seat; an adjustable telescopic bracket is fixedly connected to one end face of the rotation adjusting seat far away from the tensioning roller; the upper end of the adjustable telescopic support is provided with a connecting seat.

2. The conveyor belt tensioning device of claim 1, wherein one end face of the rotation adjustment seat is provided with a strip-shaped chute; a first sliding block and a second sliding block are arranged in the strip-shaped sliding groove in a sliding mode; one of the tension rollers is rotatably mounted on the first slide block; the other tensioning roller is rotatably arranged on the second sliding block; the second sliding block is sleeved in the first sliding block;

and a fixing component is arranged among the first sliding block, the second sliding block and the strip-shaped sliding groove, and the first sliding block and the second sliding block are fixed in position in the strip-shaped sliding groove through the fixing component.

3. The conveyor belt tensioning device of claim 2, wherein the fixing assembly comprises a plurality of positioning holes disposed on the first and second slide blocks, a threaded hole disposed at a center in the bar-shaped chute, and a bolt; the bolt penetrates through the positioning hole and is screwed in the threaded hole.

4. The conveyor belt tensioning device of claim 1, wherein the rotation adjustment seat comprises a fixed seat, a rotating housing, and a ratchet mechanism disposed within the rotating housing;

the ratchet mechanism comprises a ratchet rack fixedly connected to the inner wall of the rotating shell and a ratchet claw arranged at the center of the fixed seat; the ratchet wheel claw is matched with the ratchet wheel rack.

5. The conveyor belt tensioning device of claim 4 wherein the peripheral outer wall of the rotating housing is provided with a socket; and a driving rod is inserted in the insertion groove.

6. The conveyor belt tensioning device of claim 2, wherein the bar-shaped chute is in the shape of a letter "convex" in cross-section.

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