CN210854064U - Novel chain tensioning of scraper blade dragveyer device - Google Patents
Novel chain tensioning of scraper blade dragveyer device Download PDFInfo
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- CN210854064U CN210854064U CN201921708940.0U CN201921708940U CN210854064U CN 210854064 U CN210854064 U CN 210854064U CN 201921708940 U CN201921708940 U CN 201921708940U CN 210854064 U CN210854064 U CN 210854064U
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Abstract
The utility model discloses a novel chain tensioning device of scraper slag conveyor, which relates to the technical field of chain tensioning devices, and comprises a plate body, wherein a plane of the plate body is provided with a square limiting groove, two traction devices are arranged in the limiting groove, the traction directions of the two traction devices are opposite, and a power device is also arranged in the limiting groove and used for providing power for the traction devices; the power device is also provided with a rotating handle which is used for manual rotation of a person to provide power for the power device; the utility model has the advantages of convenient use, uneasy damage, high flexibility and activity, etc.
Description
Technical Field
The utility model relates to a chain tensioning device's technical field, in particular to novel chain tensioning device of scraper blade dragveyer.
Background
The scraper slag conveyor is mainly used for separating solid matters meeting certain granularity from a liquid-solid mixture; the slag removing device is a continuous and efficient mechanical slag removing device and is commonly used in the occasions of separation or solid-liquid separation; such as: boiler deslagging systems, river dredging systems, and the like.
After the scraper slag conveyor is used for a period of time, the chain of the scraper slag conveyor is stretched and loosened due to continuous stress, and if the chain is not tensioned in time, the chain can fall off, so that the production continuity is influenced; most of the existing chain tensioners adopt a mode of matching a threaded hole with a threaded rod for tensioning, but under the action of tension, the threaded hole and the threaded rod are easy to break or deform, and finally the threaded rod is blocked in the threaded hole.
Disclosure of Invention
The utility model aims to solve the technical problem that a novel chain tensioning device of scraper blade dragveyer is provided for adopt screw hole and screw rod complex chain tensioning device to take place the dead problem of card easily among the prior art of description in the solution background art.
In order to achieve the above object, the present invention provides the following technical solutions: a chain tensioning device of a novel scraper slag conveyor comprises a plate body, wherein a square limiting groove is formed in one plane of the plate body, two traction devices are arranged in the limiting groove, the traction directions of the two traction devices are opposite, and a power device is further arranged in the limiting groove and used for providing power for the traction devices; the power device is also provided with a rotating handle which is used for manual rotation of people to provide power for the power device.
Preferably: the draw gear is including the cover body of the hollow cylinder type that runs through the one end lateral wall of spacing groove, the internal slide bar that runs through this cover body that is provided with of cover slides, the one end that the slide bar stretches out the spacing groove is provided with the couple, the one end that the slide bar stretches into the spacing groove is provided with the rack, the bottom inner wall of spacing groove still sets up the limiting plate of two U types, and the U type mouth of limiting plate is towards the bottom of spacing groove, the rack runs through the U type mouth of two limiting plates.
Preferably: the power device comprises a positioning plate arranged on the inner wall of the bottom of the limiting groove; the limiting plate is rotationally connected with a rotating shaft at one end of the first gear, and a rotating shaft at the other end of the first gear is rotationally connected with the inner wall of the limiting groove; the limiting plate is rotationally connected with a rotating shaft at one end of the second gear, and a rotating shaft at the other end of the second gear is rotationally connected with the inner wall of the limiting groove; the first gear and the second gear are respectively meshed with the two racks, and a third gear meshed with the second gear is further arranged on a rotating shaft of the first gear.
Preferably: and a rotating handle is arranged on the rotating shaft at one end of the second gear, which extends out of the limiting groove, through a bolt.
Preferably: the rotating shaft of the rotating handle is provided with a helical gear, and the side wall of the plate body is provided with anti-reverse teeth meshed with the helical gear.
Preferably: and a through hole penetrating through the side wall is formed in the side wall of the limiting groove corresponding to one end, far away from the sliding rod, of the rack.
The beneficial effect of adopting above technical scheme is:
the traction device and the power device are arranged, the first gear and the second gear in the power device drive the two racks in the traction device to move, and the moving directions of the two racks are opposite to each other through transmission of the third gear;
the application has still set up the anti-reversing device, can prevent to rotate the in-process of handle pivoted and take place the condition that reverses through the helical gear among the anti-reversing device and anti-reversing tooth.
Drawings
Fig. 1 is a front view of the chain tensioner of the scraper slag conveyor of the present invention.
Fig. 2 is a schematic diagram of the mechanism of the anti-reverse device of the present invention.
Wherein: the plate body 10, a limiting groove 11, a through hole 12, a traction device 20, a sleeve body 21, a sliding rod 22, a hook 23, a rack 24, a limiting plate 25, a transmission device 30, a positioning plate 31, a first gear 32, a second gear 32, a third gear 34, a rotating handle 40, a bolt 41, an anti-reverse device 50, a helical gear 51 and anti-reverse teeth 52.
Detailed Description
Preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
In the embodiment, as shown in fig. 1-2, in this embodiment, a chain tensioning device of a novel scraper slag conveyor includes a plate body 10, a square limiting groove 11 is disposed on a plane of the plate body 10, two traction devices 20 are disposed in the limiting groove 11, traction directions of the two traction devices 20 are opposite, and a power device 30 is further disposed in the limiting groove 11, and the power device 30 is used for providing power for the traction devices 20; the power device 30 is further provided with a rotating handle 40, and the rotating handle 40 is used for manual rotation of a person to provide power for the power device 30.
Preferably: draw gear 20 is including the cover body 21 of the hollow cylinder type of the one end lateral wall that runs through spacing groove 11, be provided with the slide bar 22 that slides and run through this cover body 21 in the cover body 21, the one end that slide bar 22 stretched out spacing groove 11 is provided with couple 23, the one end that slide bar 22 stretched into spacing groove 11 is provided with rack 24, the bottom inner wall of spacing groove 11 still sets up the limiting plate 25 of two U types, and the U type mouth of limiting plate 25 is towards the bottom of spacing groove 11, rack 24 runs through the U type mouth of two limiting plates 25.
Preferably: the power device 30 comprises a positioning plate 31 arranged on the inner wall of the bottom of the limiting groove 11; the limiting plate 31 is rotatably connected with a rotating shaft at one end of the first gear 32, and a rotating shaft at the other end of the first gear 32 is rotatably connected with the inner wall of the limiting groove 11; the limiting plate 31 is rotatably connected with a rotating shaft at one end of the second gear 33, and a rotating shaft at the other end of the second gear 33 is rotatably connected with the inner wall of the limiting groove 11; the first gear 32 and the second gear 33 are respectively engaged with the two racks 24, and a third gear 34 engaged with the second gear 33 is further arranged on the rotating shaft of the first gear 32.
Preferably: a rotating handle 40 is arranged on the rotating shaft of one end of the second gear 33 extending out of the limiting groove 11 through a bolt 41.
Preferably: a helical gear 51 is arranged on the rotating shaft of the rotating handle 40, and anti-reverse teeth 52 meshed with the helical gear 51 are arranged on the side wall of the plate body 10.
Preferably: the side wall of the limit groove 11 corresponding to one end of the rack 24 far away from the slide bar 22 is provided with a through hole 12 penetrating through the side wall.
The specific implementation manner of this embodiment:
when the traction device is used, the rotating handle 40 is firstly rotated, the rotating handle 40 drives the second gear 33 to rotate, the second gear 33 drives the rack 24 of one traction device 20 to rotate, and the rack 24 moves towards the direction far away from the sleeve body 21;
meanwhile, the second gear 33 drives the third gear 34 to rotate, and the third gear 34 drives the first gear 32 to rotate, thereby driving the rack 24 of another traction device 20 to rotate, so that the rack 24 moves in a direction away from the sleeve body 21;
thus, the two hooks 23 can move towards the direction close to the plate body 10 at the same time, and the tensioning of the chain is realized;
the helical gear 51 and the anti-reverse gear 52 can prevent the reverse rotation of the rotating handle 40; the turning handle 40 of the present application is connected with the rotating shaft of the second gear 33 through the bolt 41, so that the turning handle 40 of the present application can be disassembled, and after the turning handle 40 is disassembled, the position of the rack 24 can be restored by rotating the first gear 32.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, many modifications and improvements can be made without departing from the inventive concept, and all of them belong to the protection scope of the present invention.
Claims (6)
1. The utility model provides a novel chain tensioning of scraper blade dragveyer device, includes the plate body, its characterized in that: a square limiting groove is formed in one plane of the plate body, two traction devices are arranged in the limiting groove, the traction directions of the two traction devices are opposite, and a power device is arranged in the limiting groove and used for providing power for the traction devices; the power device is also provided with a rotating handle which is used for manual rotation of people to provide power for the power device.
2. The chain tensioning device of the scraper slag conveyor as claimed in claim 1, wherein the traction device comprises a hollow cylindrical sleeve body penetrating through a side wall of one end of the limiting groove, a slide bar sliding through the sleeve body is arranged in the sleeve body, a hook is arranged at one end of the slide bar extending out of the limiting groove, a rack is arranged at one end of the slide bar extending into the limiting groove, two U-shaped limiting plates are further arranged on an inner wall of the bottom of the limiting groove, and U-shaped openings of the limiting plates face the bottom of the limiting groove, and the rack penetrates through U-shaped openings of the two limiting plates.
3. The chain tensioner of a scraper slag conveyor as claimed in claim 2, wherein the power unit comprises a positioning plate disposed on the inner wall of the bottom of the limiting groove; the limiting plate is rotationally connected with a rotating shaft at one end of the first gear, and a rotating shaft at the other end of the first gear is rotationally connected with the inner wall of the limiting groove; the limiting plate is rotationally connected with a rotating shaft at one end of the second gear, and a rotating shaft at the other end of the second gear is rotationally connected with the inner wall of the limiting groove; the first gear and the second gear are respectively meshed with the two racks, and a third gear meshed with the second gear is further arranged on a rotating shaft of the first gear.
4. The chain tensioner of scraper slag conveyor as claimed in claim 3, wherein the second gear has a rotating handle provided with a bolt on the end of the second gear extending out of the limit groove.
5. The chain tensioner of scraper slag conveyor as claimed in claim 4, wherein the rotating shaft of the rotating handle is provided with a helical gear, and the side wall of the plate body is provided with anti-reverse teeth engaged with the helical gear.
6. The chain tensioner of scraper slag conveyor as claimed in claim 5, wherein the side wall of the limit groove corresponding to the end of the rack away from the slide rod is provided with a through hole penetrating through the side wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921708940.0U CN210854064U (en) | 2019-10-14 | 2019-10-14 | Novel chain tensioning of scraper blade dragveyer device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921708940.0U CN210854064U (en) | 2019-10-14 | 2019-10-14 | Novel chain tensioning of scraper blade dragveyer device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210854064U true CN210854064U (en) | 2020-06-26 |
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ID=71305203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921708940.0U Active CN210854064U (en) | 2019-10-14 | 2019-10-14 | Novel chain tensioning of scraper blade dragveyer device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210854064U (en) |
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2019
- 2019-10-14 CN CN201921708940.0U patent/CN210854064U/en active Active
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