CN215370824U

CN215370824U - Novel chain tensioning device

Info

Publication number: CN215370824U
Application number: CN202121270490.9U
Authority: CN
Inventors: 张三顺
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-07
Filing date: 2021-06-07
Publication date: 2021-12-31
Anticipated expiration: 2031-06-07

Abstract

The utility model discloses a novel chain tensioning device which comprises a rack, a chain wheel, two guide rails, a movable plate, an adjusting bolt, a vertical plate, a buffer plate and a spring. Has the advantages that: the nut of the adjusting bolt is arranged outside the machine body, when the chain is tensioned, only the nut needs to be rotated outside the machine body, and the tightness of the chain can be adjusted even when the hoister runs, so that the convenience of chain adjustment is greatly improved, the adjusting time is shortened, the adjusting step is simplified, and the production efficiency is greatly improved; through set up the spring between riser and buffer plate, make the chain have certain flexible volume when the tensioning, avoid the chain by the adjusted tension, and influence the life of chain, improved the stationarity of lifting machine operation, prolonged the life of chain.

Description

Novel chain tensioning device

The technical field is as follows:

the utility model relates to a chain adjusting structure, in particular to a novel chain tensioning device.

Background art:

the elevator is a common material transportation device, and usually adopts a chain type transmission mechanism, namely, a chain bypasses a main chain wheel and a slave chain wheel of the elevator to form a closed chain system, and the main chain wheel is driven to rotate through a traction mechanism so as to drive the slave chain wheel to rotate, so that the material transportation is finally realized. Because in long-time operation process, the chain can produce not hard up, so need regularly take up the chain, but, current tension structure often installs inside the lifting machine, and the hopper zero clearance of lifting machine installs on the chain, and the unable direct contact of people is to tension structure's regulation pole, so need stop the production of whole assembly line earlier when adjusting the chain, gets off corresponding hopper again, then just can adjust the chain. Moreover, if the adjustment is not suitable for one time, the hopper needs to be repeatedly disassembled and assembled, the adjustment mode is too complex, the adjustment time is greatly increased, and the production efficiency is seriously influenced.

The utility model has the following contents:

the utility model aims to provide a novel chain tensioning device which is convenient to adjust and can improve the running stability of equipment.

The utility model is implemented by the following technical scheme:

a novel chain tensioning device comprises a rack, a chain wheel, two guide rails, a movable plate, an adjusting bolt, a vertical plate, a buffer plate and a spring;

the two guide rails are fixedly arranged on the side wall of the rack, the slide rails of the two guide rails are oppositely arranged, and the movable plate is slidably arranged in the slide rails of the two guide rails; the chain wheel is rotatably arranged on the plate surface of the movable plate;

the vertical plate is fixedly arranged on the movable plate, and the plate surface of the vertical plate is vertical to the sliding direction of the movable plate; a buffer plate parallel to the vertical plate is movably arranged on the movable plate at one side of the vertical plate close to the chain wheel; the vertical plate is connected with the buffer plate through the spring;

bolt holes are formed in the rack, the vertical plate and the buffer plate on one side, far away from the chain wheel, of the vertical plate, nuts are welded at the bolt holes of the buffer plate, the adjusting bolts sequentially penetrate through the rack, the vertical plate and the buffer plate and then are in threaded connection with the nuts, and the length direction of the adjusting bolts is consistent with the sliding direction of the movable plate.

Furthermore, a sliding block is fixedly arranged at one side end, close to the movable plate, of the buffer plate, a sliding groove matched with the sliding block is formed in the movable plate, and the sliding block is arranged in the sliding groove in a sliding mode.

Furthermore, an anti-slip handle is fixedly arranged on a nut of the adjusting bolt on the outer side of the rack.

The utility model has the advantages that:

the nut of the adjusting bolt is arranged outside the machine body, when the chain is tensioned, only the nut needs to be rotated outside the machine body, and the tightness of the chain can be adjusted even when the hoister runs, so that the convenience of chain adjustment is greatly improved, the adjusting time is shortened, the adjusting step is simplified, and the production efficiency is greatly improved; through set up the spring between riser and buffer plate, make the chain have certain flexible volume when the tensioning, avoid the chain by the adjusted tension, and influence the life of chain, improved the stationarity of lifting machine operation, prolonged the life of chain.

Description of the drawings:

in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of the present embodiment.

In the figure: the anti-skid device comprises a frame 1, a chain wheel 2, a guide rail 3, a movable plate 4, an adjusting bolt 5, a vertical plate 6, a buffer plate 7, a spring 8, a sliding groove 9, an anti-skid handle 10 and a nut 11.

The specific implementation mode is as follows:

the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1:

as shown in fig. 1, the novel chain tensioning device comprises a frame 1, a chain wheel 2, two guide rails 3, a movable plate 4, an adjusting bolt 5, a vertical plate 6, a buffer plate 7 and a spring 8;

the two guide rails 3 are fixedly arranged on the inner side wall of the frame 1, the slide rails of the two guide rails 3 are oppositely arranged, and the movable plate 4 is slidably arranged in the slide rails of the two guide rails 3; the chain wheel 2 is rotatably arranged on the plate surface of the movable plate 4;

a vertical plate 6 is fixedly arranged on the movable plate 4, and the plate surface of the vertical plate 6 is vertical to the sliding direction of the movable plate 4; a buffer plate 7 parallel to the vertical plate 6 is movably arranged on the movable plate 4 at one side of the vertical plate 6 close to the chain wheel 2; the vertical plate 6 is connected with the buffer plate 7 through a spring 8; specifically, a sliding block is fixedly arranged at one side end of the buffer plate 7 close to the movable plate 4, a sliding groove 9 matched with the sliding block is formed in the movable plate 4, and the sliding block is slidably arranged in the sliding groove 9.

Bolt holes are formed in the stand 1, the vertical plate 6 and the buffer plate 7 on the side, far away from the chain wheel 2, of the vertical plate 6, nuts 11 are welded at the bolt holes of the buffer plate 7, the adjusting bolts 5 sequentially penetrate through the stand 1, the vertical plate 6 and the buffer plate 7 and then are in threaded connection with the nuts 11, and the length direction of the adjusting bolts 5 is consistent with the sliding direction of the movable plate 4. An anti-slip handle 10 is fixedly arranged on a nut of the adjusting bolt 5 outside the frame 1, so that the adjusting bolt 5 can be conveniently screwed, and further operation is convenient.

The working principle is as follows:

when the chain is loosened, the anti-skid handle 10 outside the rack 1 is screwed to achieve the effect of screwing the adjusting bolt 5, and the adjusting bolt 5 is screwed with the nut 11, and the nut 11 is fixed on the buffer plate 7 and cannot rotate, so that the nut 11 can do linear motion to drive the buffer plate 7 to do linear motion; simultaneously under the effect of spring 8 elasticity, can give 6 thrusts of riser, and then make 6 drive fly leaf 4 of riser and remove, finally realize driving sprocket 2 and remove, and then make the chain reach the purpose of tensioning.

In this embodiment, because adjusting bolt 5's nut is arranged in the organism outside, therefore when the tensioning chain, only need the organism outside rotatory nut can, no longer be limited by whether the installation of hopper is, even also can adjust the elasticity of chain when the lifting machine operates, very big improvement the convenience that the chain was adjusted, shortened adjust time, simplified the regulation step, very big improvement production efficiency. Meanwhile, the spring 8 is arranged between the vertical plate 6 and the buffer plate 7, so that the chain has a certain expansion amount when tensioned, the phenomenon that the chain is too tight to be adjusted so as to influence the service life of the chain is avoided, the running stability of the elevator is improved, and the service life of the chain is prolonged.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. A novel chain tensioning device comprises a rack and a chain wheel, and is characterized by further comprising two guide rails, a movable plate, an adjusting bolt, a vertical plate, a buffer plate and a spring;

2. The novel chain tensioning device as claimed in claim 1, wherein a sliding block is fixedly disposed on one side end of the buffer plate close to the movable plate, a sliding groove matched with the sliding block is disposed on the movable plate, and the sliding block is slidably disposed in the sliding groove.

3. The novel chain tensioner as claimed in claim 1, wherein an anti-slip handle is fixed to the nut of the adjusting bolt outside the frame.