CN211418557U

CN211418557U - Adjustable conveyor belt tensioning device

Info

Publication number: CN211418557U
Application number: CN201922270358.7U
Authority: CN
Inventors: 王余太
Original assignee: Xinjiang Lianzhong Commercial Concrete Co ltd
Current assignee: Xinjiang Lianzhong Commercial Concrete Co ltd
Priority date: 2019-12-17
Filing date: 2019-12-17
Publication date: 2020-09-04
Anticipated expiration: 2029-12-17

Abstract

The utility model belongs to concrete production field, concretely relates to conveyer belt overspeed device tensioner with adjustable, the loach carrying platform comprises a supporting fram, the connecting axle is installed in the inside rotation of support frame, the outside of connecting axle has the driving roller through the key-type connection, the outside of driving roller is provided with the arch, the conveyer belt has been cup jointed in the outside of driving roller, the guiding hole has been seted up to the bottom of support frame, sliding connection has the guide arm in the guiding hole, the upper end welding of guide arm has the backup pad, the upper end welding of backup pad has the pedestal, it has the articulated shaft to articulate in the pedestal, the outside of articulated shaft is rotated and is connected with the tensioning roller, the tensioning roller. This scheme is through the outside design shell fragment at the thread bush, and shell fragment lower extreme design fixture block, and design draw-in groove on the support frame can prevent that the thread bush from taking place not hard up for position retentivity is good after the threaded rod is adjusted, and the design is protruding on the driving roller moreover, can make the conveyer belt be difficult for skidding, and job stabilization nature is better.

Description

Adjustable conveyor belt tensioning device

Technical Field

The utility model belongs to the conveyer belt field, concretely relates to conveyer belt overspeed device tensioner with adjustable.

Background

At present in concrete production process, need use the material conveyer belt to convey the material, the conveyer belt mainly adopts the rubber material, perhaps combined material makes, drives the conveyer belt through motor drive driving roller and rotates, realizes the transport of material.

But the condition that the conveyer belt is inevitably become flexible in the operation process leads to the conveyer belt to skid, leads to the transport of material to be influenced. In the prior art, the conveyor belt is adjusted by adopting a tensioning device, so that the problem can be solved. However, when the threaded rod and the threaded sleeve are normally matched for adjustment, the threaded sleeve may be loosened when the equipment vibrates, so that the threaded rod is axially displaced, the threaded rod is difficult to maintain, and the tensioning effect is poor. And the surface of the common driving roller is smooth and easy to slip when contacting with a conveying belt. Accordingly, there is a need for improvements in the art.

Disclosure of Invention

An object of the utility model is to provide a conveyer belt overspeed device tensioner with adjustable has solved current conveyer belt and has been difficult to the problem of holding position after adjusting, makes the conveyer belt non-skid through the driving roller of design moreover.

In order to achieve the purpose, the utility model provides an adjustable conveyor belt tensioning device, which comprises a support frame, wherein a connecting shaft is rotatably arranged in the support frame, the outer side of the connecting shaft is connected with a driving roller through a key, the outer side of the driving roller is provided with a bulge, a conveyor belt is sleeved on the outer side of the driving roller, the bottom of the support frame is provided with a guide hole, a guide rod is slidably connected in the guide hole, the upper end of the guide rod is welded with a support plate, the upper end of the support plate is welded with a shaft bracket, an articulated shaft is hinged in the shaft bracket, the outer side of the articulated shaft is rotatably connected with a tension roller, the tension roller is contacted with the conveyor belt, the lower end of the support plate is welded with a threaded rod, the outer side of the threaded rod is connected, the bottom of the inner side of the support frame is provided with a clamping groove.

The principle of the utility model lies in: when needs adjust the conveyer belt rate of tension, rotate the thread bush, the thread bush drives the shell fragment and rotates, the shell fragment drives the fixture block and rotates, thread motion takes place for thread bush and threaded rod, produce relative displacement, make the threaded rod rebound, the threaded rod drives the backup pad rebound, the backup pad drives the pedestal rebound, the pedestal drives the articulated shaft rebound, the articulated shaft drives the tensioning roller rebound, the tensioning roller promotes the conveyer belt, make the conveyer belt tensioning, after the regulation is accomplished, the fixture block card is gone into in the draw-in groove, through the cooperation of draw-in groove and fixture block, under no exogenic action, can prevent that the shell fragment from rotating, thereby prevent the thread bush rotation, it is not hard up to avoid the thread bush to take place, lead to the threaded rod to take place to shift, through design arch on the driving roller, can make conveyer belt and driving roller.

The beneficial effects of the utility model reside in that: this scheme is through the outside design shell fragment at the thread bush, and shell fragment lower extreme design fixture block, and design draw-in groove on the support frame can prevent that the thread bush from taking place not hard up for position retentivity is good after the threaded rod is adjusted, and the design is protruding on the driving roller moreover, can make the conveyer belt be difficult for skidding, and job stabilization nature is better.

Further, protruding and driving roller formula structure as an organic whole, protruding evenly distributed is on the surface of driving roller. Through the design of the protrusions, the conveyor belt is not easy to slip.

Furthermore, a through hole is formed in the bottom of the support frame, and a threaded rod is connected in the through hole in a sliding mode. Through the design of through-hole, provide installation space for the threaded rod.

Furthermore, a supporting shaft is connected in the supporting frame through threads, and a movable sleeve is rotatably connected to the outer side of the supporting shaft. Through the design of the movable sleeve, the conveying belt can be supported in an auxiliary mode.

Furthermore, the clamping grooves are arranged in an annular array on the bottom of the inner side of the supporting frame, and clamping blocks are clamped in the clamping grooves. Through the cooperation of draw-in groove and fixture block, can carry on spacingly to the fixture block, prevent that the fixture block from taking place to slide.

Drawings

FIG. 1 is a schematic view of an adjustable conveyor belt tensioner according to an embodiment of the present invention;

FIG. 2 is a side perspective view of the support frame of FIG. 1 with an adjustable conveyor belt tensioner according to an embodiment of the invention;

FIG. 3 is an enlarged view of the portion A of the adjustable belt tensioner of the present invention shown in FIG. 1;

FIG. 4 is a bottom view of the spring plate of FIG. 3 of the adjustable belt tensioner of the present invention;

FIG. 5 is a top view of the drive roller of FIG. 1 with an adjustable belt tensioner according to an embodiment of the present invention.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: the device comprises a support frame 1, a connecting shaft 2, a driving roller 3, a protrusion 4, a conveyor belt 5, a supporting shaft 6, a movable sleeve 7, a through hole 8, a guide hole 9, a guide rod 10, a supporting plate 11, a shaft bracket 12, an articulated shaft 13, a tensioning roller 14, a threaded rod 15, a threaded sleeve 151, an elastic sheet 16, a clamping block 17 and a clamping groove 18.

As shown in fig. 1, fig. 2, fig. 5, this embodiment provides a conveyer belt overspeed device tensioner with adjustable, including support frame 1, support frame 1's internal rotation installation connecting axle 2, the outside of connecting axle 2 is passed through the key-type connection driving roller 3, the outside of driving roller 3 sets up protruding 4, protruding 4 and driving roller 3 formula structure as an organic whole, protruding 4 evenly distributed is on the surface of driving roller 3, through protruding 4 design, can make conveyer belt 5 be difficult for taking place to skid, conveyer belt 5 is cup jointed in the outside of driving roller 3, conveyer belt 5 is made by rubber, the wearability is good.

As shown in fig. 1 and 3, support shaft 6 is connected through threads in support frame 1, movable sleeve 7 is connected in the outside rotation of support shaft 6, design through movable sleeve 7 can assist in supporting conveyor belt 5, through-hole 8 is seted up to support frame 1's bottom, sliding connection threaded rod 15 in the through-hole 8, design through-hole 8, installation space is provided for threaded rod 15, guiding hole 9 is seted up to support frame 1's bottom, sliding connection guide arm 10 in guiding hole 9, upper end welded support plate 11 of guide arm 10, the upper end welding pedestal 12 of backup pad 11, articulated shaft 13 in pedestal 12, the outside rotation of articulated shaft 13 connects tensioning roller 14, tensioning roller 14 contacts with conveyor belt 5.

As shown in fig. 1, fig. 3 and fig. 4, the threaded rod 15 is welded at the lower end of the supporting plate 11, the threaded sleeve 151 is connected with the outer side of the threaded rod 15 through threads, the elastic sheet 16 is welded at the outer side of the threaded sleeve 151, the clamping block 17 is welded at the lower end of the elastic sheet 16, the clamping groove 18 is formed in the bottom of the inner side of the supporting frame 1, the clamping groove 18 is arranged on the bottom of the inner side of the supporting frame 1 in an annular array mode, the clamping block 17 is clamped in the clamping groove 18, and the clamping block 17 can be limited through the matching of the clamping groove 18 and.

The utility model discloses the concrete implementation process as follows: when the tightness of the conveyor belt 5 needs to be adjusted, the threaded sleeve 151 is rotated, the threaded sleeve 151 drives the elastic sheet 16 to rotate, the elastic sheet 16 drives the clamping block 17 to rotate, the threaded sleeve 151 and the threaded rod 15 generate threaded motion to generate relative displacement, so that the threaded rod 15 moves upwards, the threaded rod 15 drives the supporting plate 11 to move upwards, the supporting plate 11 drives the shaft frame 12 to move upwards, the shaft frame 12 drives the hinged shaft 13 to move upwards, the hinged shaft 13 drives the tensioning roller 14 to move upwards, the tensioning roller 14 pushes the conveyor belt 5, so that the conveyor belt 5 is tensioned, after the adjustment is completed, the clamping block 17 is clamped into the clamping groove 18, the elastic sheet 16 can be prevented from rotating under the condition of no external force through the matching of the clamping groove 18 and the clamping block 17, the threaded sleeve 151 is prevented from rotating, the threaded sleeve 151 is prevented from loosening, the threaded rod 15 is prevented from shifting, and the conveyor belt 5 and the driving roller 3 can, so that the conveyor belt 5 does not slip easily.

This scheme is through the outside design shell fragment 16 at thread bush 151, and shell fragment 16 lower extreme design fixture block 17, and design draw-in groove 18 on support frame 1, can prevent that thread bush 151 from taking place not hard up for position retentivity is good after threaded rod 15 adjusts, designs protruding 4 on the driving roller 3 moreover, can make conveyer belt 5 be difficult for skidding, and job stabilization nature is better.

It should be noted that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," "fixed," and the like are used broadly in the present invention, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims

1. The utility model provides a conveyer belt overspeed device tensioner with adjustable, includes the support frame, its characterized in that: the connecting axle is installed in the inside rotation of support frame, the outside of connecting axle has the driving roller through the key-type connection, the outside of driving roller is provided with the arch, the conveyer belt has been cup jointed in the outside of driving roller, the guiding hole has been seted up to the bottom of support frame, sliding connection has the guide arm in the guiding hole, the upper end welding of guide arm has the backup pad, the upper end welding of backup pad has the pedestal, it has the articulated shaft to articulate in the pedestal, the outside of articulated shaft is rotated and is connected with the tensioning roller, tensioning roller and conveyer belt contact, the lower extreme welding of backup pad has the threaded rod, there is the thread bush in the outside of threaded rod through threaded connection, the outside welding of thread bush has the shell fragment, the lower extreme welding of shell.

2. The adjustable conveyor belt tensioner as in claim 1, wherein: the bulges and the driving roller are of an integrated structure, and the bulges are uniformly distributed on the surface of the driving roller.

3. The adjustable conveyor belt tensioner as in claim 1, wherein: the bottom of support frame has seted up the through-hole, sliding connection has the threaded rod in the through-hole.

4. The adjustable conveyor belt tensioner as in claim 1, wherein: the supporting frame is internally connected with a supporting shaft through threads, and the outer side of the supporting shaft is rotatably connected with a movable sleeve.

5. The adjustable conveyor belt tensioner as in claim 1, wherein: the clamping grooves are arranged in an annular array on the bottom of the inner side of the supporting frame, and clamping blocks are clamped in the clamping grooves.