CN219911653U

CN219911653U - Petroleum chain tensioning device

Info

Publication number: CN219911653U
Application number: CN202320678871.3U
Authority: CN
Inventors: 张学平
Original assignee: Suzhou Changsheng Chain Transmission Co ltd
Current assignee: Suzhou Changsheng Chain Transmission Co ltd
Priority date: 2023-03-31
Filing date: 2023-03-31
Publication date: 2023-10-27
Anticipated expiration: 2033-03-31

Abstract

The utility model discloses a petroleum chain tensioning device which comprises a base, wherein a sliding sleeve is fixedly arranged on the top surface of the base, a threaded rod is rotatably arranged in the sliding sleeve, a sliding block is arranged on the surface of the threaded rod in a threaded manner, and a moving plate is fixedly arranged on one side of the sliding block. Under the effect of drive chain, drive first gear and rotate, and then drive first pivot and rotate, make second bevel gear rotate, through first bevel gear and second bevel gear meshing, make the threaded rod rotate, and then drive the slider and slide in the sliding sleeve, drive the movable plate and upwards move, and then drive the kicking block and upwards move, make the top surface of kicking block jack-up chain link telescopic surface, make the kicking block act on the tensile force of a suitable size of chain, make the chain tensioning, simultaneously through the self-locking feature of worm wheel, worm, the kicking block moves down when oil drilling operation can be avoided, thereby assurance chain that can be fine is in the tensioning state.

Description

Petroleum chain tensioning device

Technical Field

The utility model relates to the technical field of chain tensioning, in particular to a petroleum chain tensioning device.

Background

The chain is generally a metal chain ring or ring, is mostly used for mechanical transmission and traction, and with the improvement of the automation level of drilling platforms in petroleum drilling operation, wellhead petroleum tools with high automation degree (such as power drill pipe tongs, power casing tongs, iron drillers and the like) are increasingly widely used, and the petroleum chain is a common component in petroleum drilling equipment.

In a chain transmission system, the chain is loosened and slipped due to long-term use abrasion of the chain, so that the transmission efficiency is influenced, and even the chain cannot be normally used.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a petroleum chain tensioning device which solves the problems in the background art.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a petroleum chain overspeed device tensioner, includes the base, the top surface fixed mounting of base has the sliding sleeve, the inside rotation of sliding sleeve installs the threaded rod, the surface screw thread of threaded rod installs the slider, one side fixed mounting of slider has the movable plate, the top surface of movable plate is provided with the kicking block, the bottom surface fixed mounting of threaded rod has first conical gear, the inner chamber has been seted up to the inside of base, the inside fixed mounting of inner chamber has the supporting shoe, the inside rotation of supporting shoe installs first pivot, the surface fixed mounting of first pivot has first gear, the surface engagement of first gear installs the drive chain, the inside rotation of inner chamber installs the second pivot, the surface fixed mounting of second pivot has the worm wheel.

Preferably, the inside of movable plate is provided with bolt fastener, just the quantity of bolt fastener is two sets of, is bilateral symmetry and sets up, through bolt fastener's setting, is convenient for install and dismantle the kicking block.

Preferably, a second bevel gear is fixedly installed at one end of the first rotating shaft, the second bevel gear is meshed with the first bevel gear, and the threaded rod can be rotated through rotation of the first rotating shaft, so that the sliding block is driven to move.

Preferably, the surface of the second rotating shaft is fixedly provided with a second gear, the second gear is meshed with the transmission chain, and the first rotating shaft can be driven to rotate when the second rotating shaft rotates through the arrangement of the transmission chain.

Preferably, the inside of base rotates installs the third pivot, the bottom fixed mounting of third pivot has the worm, the top surface fixed mounting of third pivot has the carousel, just worm and worm wheel intermeshing drive the third pivot through rotating the carousel and rotate, and then drive the worm and rotate for the worm wheel rotates, and then drives the second pivot and rotate.

Preferably, the mounting holes are formed in the surface of the base, the number of the mounting holes is four, the mounting holes are arranged in a rectangular array, and the base is convenient to fix through the arrangement of the mounting holes.

Compared with the prior art, the utility model has the beneficial effects that: this petroleum chain overspeed device tensioner drives the rotation of third pivot through rotating the carousel, and then drive the worm and rotate, make the worm wheel rotate, and then drive the second pivot and rotate, drive the second gear and rotate, under the effect of drive chain, drive first gear and rotate, and then drive first pivot and rotate, make the second bevel gear rotate, through first bevel gear and second bevel gear meshing, make the threaded rod rotate, and then drive the slider and slide in the sliding sleeve, drive the movable plate and reciprocate, and then drive kicking block upward movement, make the top surface of kicking block jack-up the telescopic surface of chain link, make the kicking block act on the tensile of a suitable size of chain, make the chain tensioning, simultaneously through the worm wheel, the self-locking characteristic of worm, the kicking block downwardly moving when petroleum drilling operation can be avoided, thereby assurance chain that can be fine is in the tensioning state.

Drawings

FIG. 1 is a schematic illustration of the structure of the present utility model;

FIG. 2 is a schematic view of a first cross-sectional view of the present utility model;

fig. 3 is a schematic structural view of a second cross-sectional view of the present utility model.

In the figure: 1. a base; 2. a sliding sleeve; 3. a threaded rod; 4. a slide block; 5. a moving plate; 6. a top block; 7. a bolt fastener; 8. a first bevel gear; 9. an inner cavity; 10. a support block; 11. a first rotating shaft; 12. a second bevel gear; 13. a first gear; 14. a drive chain; 15. a second rotating shaft; 16. a second gear; 17. a worm wheel; 18. a third rotating shaft; 19. a worm; 20. and (5) mounting holes.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples: referring to fig. 1-3, the utility model provides a technical scheme, a petroleum chain tensioning device, which comprises a base 1, a sliding sleeve 2 is fixedly arranged on the top surface of the base 1, a threaded rod 3 is rotatably arranged in the sliding sleeve 2, a sliding block 4 is arranged on the surface thread of the threaded rod 3, a movable plate 5 is fixedly arranged on one side of the sliding block 4, a top block 6 is arranged on the top surface of the movable plate 5, bolt fasteners 7 are arranged in the movable plate 5, the number of the bolt fasteners 7 is two groups, the two groups are symmetrically arranged, the installation and the disassembly of the top block 6 are convenient through the arrangement of the bolt fasteners 7, a first conical gear 8 is fixedly arranged on the bottom surface of the threaded rod 3, an inner cavity 9 is formed in the base 1, a supporting block 10 is fixedly arranged in the inner cavity 9, a first rotating shaft 11 is rotatably arranged in the supporting block 10, a second conical gear 12 is fixedly arranged at one end of the first rotating shaft 11, the second bevel gear 12 is meshed with the first bevel gear 8, the threaded rod 3 can be rotated through the rotation of the first rotating shaft 11, the sliding block 4 is driven to move, the first gear 13 is fixedly arranged on the surface of the first rotating shaft 11, the transmission chain 14 is arranged on the surface of the first gear 13 in a meshed manner, the second rotating shaft 15 is rotatably arranged in the inner cavity 9, the second gear 16 is fixedly arranged on the surface of the second rotating shaft 15, the second gear 16 is meshed with the transmission chain 14, the first rotating shaft 11 can be driven to rotate when the second rotating shaft 15 rotates through the arrangement of the transmission chain 14, the worm wheel 17 is fixedly arranged on the surface of the second rotating shaft 15, the third rotating shaft 18 is rotatably arranged in the base 1, the worm 19 is fixedly arranged at the bottom end of the third rotating shaft 18, the turntable is fixedly arranged on the top surface of the third rotating shaft 18, the worm 19 is meshed with the worm wheel 17, the third rotating shaft 18 is driven to rotate through the rotating turntable, the worm 19 is driven to rotate, the worm wheel 17 is driven to rotate, the second rotating shaft 15 is driven to rotate, the mounting holes 20 are formed in the surface of the base 1, the number of the mounting holes 20 is four, the rectangular array is arranged, the base 1 is conveniently fixed through the mounting holes 20, the third rotating shaft 18 is driven to rotate through the rotating turntable, the worm 19 is driven to rotate, the worm wheel 17 is driven to rotate, the second rotating shaft 15 is driven to rotate, the second gear 16 is driven to rotate, the first gear 13 is driven to rotate under the action of the transmission chain 14, the first rotating shaft 11 is driven to rotate, the second conical gear 12 is driven to rotate, the threaded rod 3 is driven to rotate, the sliding block 4 is driven to slide in the sliding sleeve 2, the moving plate 5 is driven to move upwards, the top block 6 is driven to move upwards, the top surface of the chain link sleeve is driven to jack the top block 6 to act on the chain to tension of a proper size, and the chain is tensioned, and simultaneously, the self-locking property of the worm wheel 17 and the worm 19 can be well tensioned when the chain 6 is driven to move well, and the drilling state can be guaranteed.

When in use: the staff adopts the screw fixation in the frame with base 1, fix kicking block 6 on movable plate 5 through bolt fastener 7, drive the rotation of third pivot 18 through rotating the carousel, and then drive worm 19 and rotate, make worm wheel 17 rotate, and then drive second pivot 15 and rotate, drive second gear 16 and rotate, under the effect of drive chain 14, drive first gear 13 and rotate, and then drive first pivot 11 and rotate, make second bevel gear 12 rotate, mesh with second bevel gear 12 through first bevel gear 8, make threaded rod 3 rotate, and then drive slider 4 and slide in sliding sleeve 2, drive movable plate 5 upwards move, and then drive kicking block 6 upwards move, make the top surface of kicking block 6 jack-up chain link sleeve's surface, make kicking block 6 act on the tensile force of a suitable size of chain, make the chain tensioning, simultaneously through worm wheel 17, worm 19's the auto-lock characteristic, kicking block 6 moves down when petroleum drilling operation can be avoided, thereby can be fine assurance chain is in the tensioning state.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a petroleum chain overspeed device tensioner, includes base (1), its characterized in that, the top surface fixed mounting of base (1) has sliding sleeve (2), threaded rod (3) are installed in the inside rotation of sliding sleeve (2), the surface screw of threaded rod (3) installs slider (4), one side fixed mounting of slider (4) has movable plate (5), the top surface of movable plate (5) is provided with kicking block (6), the bottom surface fixed mounting of threaded rod (3) has first conical gear (8), inner chamber (9) have been seted up to the inside of base (1), the inside fixed mounting of inner chamber (9) has supporting shoe (10), first pivot (11) are installed in the inside rotation of supporting shoe (10), the surface fixed mounting of first pivot (11) has first gear (13), the surface engagement of first gear (13) installs drive chain (14), the inside rotation of inner chamber (9) has second pivot (15), the surface fixed mounting of second pivot (15) has worm wheel (17).

2. The petroleum chain tensioning device according to claim 1, wherein the moving plate (5) is internally provided with bolt fasteners (7), and the number of the bolt fasteners (7) is two, and the bolt fasteners are arranged in bilateral symmetry.

3. A petroleum chain tensioner according to claim 1, characterised in that a second bevel gear (12) is fixedly mounted at one end of the first shaft (11), and that the second bevel gear (12) is intermeshed with the first bevel gear (8).

4. A petroleum chain tensioner according to claim 1, characterised in that the surface of the second shaft (15) is fixedly fitted with a second gear (16), and that the second gear (16) is intermeshed with the drive chain (14).

5. A petroleum chain tensioner according to claim 1, characterised in that the base (1) is internally rotatably mounted with a third shaft (18), the bottom end of the third shaft (18) is fixedly mounted with a worm (19), the top surface of the third shaft (18) is fixedly mounted with a turntable, and the worm (19) is intermeshed with the worm wheel (17).

6. The petroleum chain tensioning device according to claim 1, wherein the surface of the base (1) is provided with mounting holes (20), and the number of the mounting holes (20) is four, and the mounting holes are arranged in a rectangular array.