CN215171946U

CN215171946U - Chain convenient to adjust rate of tension

Info

Publication number: CN215171946U
Application number: CN202121045817.2U
Authority: CN
Inventors: 敖华强
Original assignee: Quanzhou Hongding Construction Machinery Co ltd
Current assignee: Quanzhou Hongding Construction Machinery Co ltd
Priority date: 2021-05-17
Filing date: 2021-05-17
Publication date: 2021-12-14
Anticipated expiration: 2031-05-17

Abstract

The utility model discloses a chain convenient to adjust rate of tension relates to chain tensioning and adjusts technical field, and the rate of tension needs to adjust, lubrication scheduling problem when the chain moves when moving to the chain, now proposes following scheme, including drive gear, the chain body has all been cup jointed to drive gear's outer lane, drive gear's front all rotates and is connected with the dead lever, the one end welding that the dead lever is close to each other has the second box, movable post has all been cup jointed to the top and the bottom of second box, the one end welding that movable post is close to each other has the gear pole, the back inner wall of second box rotates and is connected with the ring gear. The utility model discloses simple structure thinks about ingeniously, has not only realized adjusting the rate of tension of chain, has realized adjusting convenient effect simultaneously to realized real-time lubricated effect to the chain, and the device mechanical design is reasonable, easy operation, and application scope is wide, is fit for extensively promoting.

Description

Chain convenient to adjust rate of tension

Technical Field

The utility model relates to a technical field is adjusted in the chain tensioning, especially relates to a chain convenient to adjust rate of tension.

Background

The chains are generally metal chain links or rings, are mostly used as mechanical transmission and traction, are used for obstructing traffic passages, are used for mechanical transmission, and are various, but most of the basic structures of the chains are composed of chain plates, chain pins, shaft sleeves and other parts, other types of chains only make different changes on the chain plates according to different requirements, some chain plates are provided with scrapers, some chain plates are provided with guide bearings, and other chain plates are provided with rollers and the like, and the changes are carried out for different application occasions.

When the chain runs, the driving force of the driving gear is often insufficient or the chain and the driving gear are overloaded due to excessive looseness or tightness of the chain, premature consumption of the chain is easily caused, the premature consumption of the chain can cause safety problems of construction personnel and damage of construction equipment, meanwhile, the chain cannot be lubricated sufficiently when running, abrasion of the chain is increased, and long-time use of the chain is not facilitated.

SUMMERY OF THE UTILITY MODEL

Objects of the invention

For solving the technical problem that exists among the background art, the utility model provides a chain convenient to adjust rate of tension, the device simple structure thinks about ingeniously, has not only realized adjusting the rate of tension of chain, has realized adjusting convenient effect simultaneously to realized the real-time lubricated effect to the chain, and the device mechanical design is reasonable, easy operation, and application scope is wide, is fit for extensively promoting.

(II) technical scheme

The utility model provides a chain convenient for adjusting the tension degree, which comprises a driving gear, wherein the outer ring of the driving gear is sleeved with a chain body, the front of the driving gear is rotatably connected with a fixed rod, one end of the fixed rod, which is close to each other, is welded with a second box body, the top and the bottom of the second box body are sleeved with movable columns, one end of the movable columns, which is close to each other, is welded with a gear rod, the inner wall of the back of the second box body is rotatably connected with a toothed ring, the front of the second box body is provided with a threaded hole, a bolt is sleeved in the threaded hole, one end of the bolt, which is positioned in the second box body, is welded with the front of the toothed ring, the top and the bottom of the outer ring of the second box body are sleeved with first box bodies, the inner wall of one side, which is far away from each other, of the first spring is welded with one side, which is far away from each other, of the movable column, the back of first box all welds the pivot, the one end that first box was kept away from in the pivot is rotated and is connected with the gyro wheel, two second springs have all been welded to the both sides inner wall of gyro wheel, the one end welding that the second spring kept away from each other has the extrusion piece, one side fixedly connected with oilcan that the extrusion piece is close to each other.

Preferably, oil outlets are formed in the top and the bottom of the oil can, oil outlet pipes are arranged in the oil outlets, and the oil outlet pipes penetrate through and extend out of the rollers.

Preferably, one side of the oil can is provided with a connecting hole, an oil inlet hose is arranged in the connecting hole, and the other end of the oil inlet hose is provided with a sealing plug.

Preferably, the groove of gyro wheel department is provided with two oil grooves, a plurality of lubrication mouths have all been seted up to one side that the oil groove was kept away from each other, all be provided with the sponge in the lubrication mouth, the one side that the oil groove is close to each other cup joints with the one end that goes out oil pipe and keep away from each other.

Preferably, the teeth of the toothed ring are meshed with the outer ring of the gear rod, and the height of the teeth of the toothed ring is consistent with the diameter of the gear rod.

Preferably, movable through holes are formed in the side, close to each other, of the first box body, and wear-resistant pieces are arranged in the movable through holes.

Compared with the prior art, the above technical scheme of the utility model following profitable technological effect has:

1. through clockwise rotation bolt and then make the ring gear clockwise rotation, and the meshing through ring gear and gear pole will make the gear pole do opposite movement, and the gear pole outwards extrudees movable post simultaneously, and will compress first spring through movable post, the elastic support through first spring realizes the motion of stretching out gradually to first box, make first box ejecting with the gyro wheel, and then realize tightening to the chain body, on the contrary, after the bolt anticlockwise rotation, this quilt of chain is disappeared by the ejecting power of gyro wheel, then the chain body will relax, the screw hole meshing effect of bolt on the second box simultaneously, the bolt still can obtain fixedly when not rotatory.

2. When the surface of gyro wheel was drawn at the chain body, the inside fluid of oilcan will extrude the piece through the elasticity extrusion of second spring, and the extrusion piece extrudees the oilcan, and then gets into through oil pipe with the sponge layer of chain body contact on, and lubricate the chain body through the sponge of soaking fluid, and the softer lubricated face to the chain body of sponge material is bigger, and lubricated effect is better.

To sum up, the device simple structure, it is ingenious to think about, has not only realized adjusting the rate of tension of chain, has realized simultaneously and has adjusted convenient effect to the chain has realized real-time lubricated effect, and the device mechanical design is reasonable, easy operation, and application scope is wide, is fit for extensively promoting.

Drawings

Fig. 1 is the utility model provides a chain's elevation structure schematic convenient to adjust rate of tension.

Fig. 2 is the utility model provides a second box part of chain looks sideways at schematic structure convenient to adjust rate of tension.

Fig. 3 is the utility model provides a part a of chain enlarges the schematic diagram convenient to adjust rate of tension.

Fig. 4 is a schematic diagram of a part B of the chain with a structure that is enlarged locally and is convenient for adjusting the tension of the chain.

Reference numerals: 1. a drive gear; 2. fixing the rod; 3. a roller; 4. a chain body; 5. a rotating shaft; 6. a first case; 7. a second case; 8. a bolt; 9. a movable post; 10. a first spring; 11. a gear lever; 12. a toothed ring; 13. an oil can; 14. extruding the sheet; 15. a second spring.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

As shown in figures 1-4, the chain convenient for adjusting the tension degree provided by the utility model comprises a driving gear 1, a chain body 4 is sleeved on the outer ring of the driving gear 1, a fixed rod 2 is rotatably connected on the front surface of the driving gear 1, one side of the back surface of the fixed rod 2 is not contacted with the front surface of the driving gear 1, a second box body 7 is welded on the end where the fixed rods 2 are close to each other, movable columns 9 are sleeved on the top and the bottom of the second box body 7, the movable columns 9 are carriers for supporting the movement of the gear rods 11, gear rods 11 are welded on the end where the movable columns 9 are close to each other, a toothed ring 12 is rotatably connected on the inner wall of the back surface of the second box body 7, threaded holes are arranged on the front surface of the second box body 7, bolts 8 are sleeved in the threaded holes, one end where the bolts 8 are positioned in the second box body 7 is welded on the front surface of the toothed ring 12, and a first box body 6 is sleeved on the top and the bottom of the outer ring of the second box body 7, two first springs 10 have all been welded to the one side inner wall that first box 6 kept away from each other, first spring 10 is the triangle-shaped symmetry, the other end of first spring 10 and the one side welding that movable column 9 kept away from each other, pivot 5 has all been welded at the back of first box 6, the one end rotation that first box 6 was kept away from to pivot 5 is connected with gyro wheel 3, two second springs 15 have all been welded to the both sides inner wall of gyro wheel 3, the one end welding that second spring 15 kept away from each other has extrusion piece 14, one side fixedly connected with oilcan 13 that extrusion piece 14 is close to each other.

The oil-out has all been seted up to the top and the bottom of oilcan 13, be provided with out oil pipe in the oil-out, it runs through and extends to outside 3 gyro wheels to go out oil pipe, the connecting hole has all been seted up to one side of oilcan 13, be provided with the oil feed hose in the connecting hole, the other end of oil feed hose is provided with the sealing plug, the groove of gyro wheel 3 is provided with two oil grooves, a plurality of lubricated mouths have all been seted up to one side of going out oil groove and keeping away from each other, all be provided with the sponge in the lubricated mouth, it cup joints with the one end that goes out oil pipe one end that the oil groove is close to each other, the tooth of ring gear 12 and the outer lane meshing of gear pole 11, the tooth height of ring gear 12 is unanimous with gear pole 11's diameter, movable through-hole has all been seted up to one side that first box 6 is close to each other, be provided with wear pad in the movable through-hole.

In the utility model, when the device is used, the driving gear 1 is normally driven, the chain body 4 is driven by the driving gear 1 to run when the driving gear 1 rotates, when the tension of the chain body 4 is loose or is too tight, the toothed ring 12 is clockwise rotated by clockwise rotating the bolt 8, the toothed ring 12 is meshed with the toothed rod 11 to make the toothed rod 11 do opposite movement, and the toothed rod 11 extrudes the movable column 9 outwards at the same time, the movable column 9 compresses the first spring 10, the elastic support of the first spring 10 realizes the gradually extending movement of the first box 6, so that the first box 6 ejects the roller 3, the tight of the chain body 4 is realized, on the contrary, when the bolt 8 rotates anticlockwise, the force of the chain body 4 ejected by the roller 3 disappears, the chain body 4 will be loose, meanwhile, under the meshing action of the threaded holes of the bolts 8 on the second box body 7, the bolts 8 can still be fixed when not rotating.

And when the chain body 4 stroked the surface of gyro wheel 3, the inside fluid of oilcan 13 will extrude piece 14 through the elasticity extrusion of second spring 15, and extrude piece 14 to oilcan 13 extrusion, and then through oil pipe get into with the sponge layer of chain body 4 contact on, and lubricate chain body 4 through the sponge of soaking fluid, and the sponge material is softer more big to the lubricated face of chain body 4, and lubricated effect is better.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such changes and modifications that fall within the scope and bounds of the appended claims, or equivalents of such scope and bounds.

Claims

1. The chain convenient for adjusting the tension degree comprises a driving gear (1) and is characterized in that a chain body (4) is sleeved on the outer ring of the driving gear (1), a fixing rod (2) is connected to the front of the driving gear (1) in a rotating mode, a second box body (7) is welded at one end, close to each other, of the fixing rod (2), movable columns (9) are sleeved at the top and the bottom of the second box body (7), gear rods (11) are welded at one end, close to each other, of the movable columns (9), a toothed ring (12) is connected to the inner wall of the back of the second box body (7) in a rotating mode, threaded holes are formed in the front of the second box body (7), bolts (8) are sleeved in the threaded holes, one end, located in the second box body (7), of each bolt is welded with the front of the toothed ring (12), a first box body (6) is sleeved at the top and the bottom of the outer ring of the second box body (7), the utility model discloses a portable multifunctional oil bottle, including first box (6), pivot (5), first box (6) and extrusion piece (14), two first springs (10) have all been welded to one side inner wall that first box (6) kept away from each other, one side welding that the other end and activity post (9) of first spring (10) kept away from each other, pivot (5) have all been welded at the back of first box (6), the one end rotation that first box (6) were kept away from in pivot (5) is connected with gyro wheel (3), two second springs (15) have all been welded to the both sides inner wall of gyro wheel (3), the one end welding that second spring (15) kept away from each other has extrusion piece (14), one side fixedly connected with oilcan (13) that extrusion piece (14) are close to each other.

2. The chain convenient for adjusting the tension degree according to claim 1, wherein oil outlets are formed in the top and the bottom of the oil pot (13), an oil outlet pipe is arranged in the oil outlet, and the oil outlet pipe penetrates through and extends out of the roller (3).

3. The chain convenient to adjust the tensity according to claim 1, characterized in that one side of the oil can (13) is provided with a connecting hole, an oil inlet hose is arranged in the connecting hole, and the other end of the oil inlet hose is provided with a sealing plug.

4. The chain convenient to adjust the tension according to claim 1, wherein the groove of the roller (3) is provided with two oil outlet grooves, one sides of the oil outlet grooves, which are away from each other, are provided with a plurality of lubricating ports, the lubricating ports are internally provided with sponge, and one sides of the oil outlet grooves, which are close to each other, are sleeved with one ends of the oil outlet pipes, which are away from each other.

5. Chain facilitating the adjustment of the tightness according to claim 1, characterized in that the teeth of the toothed ring (12) are engaged with the outer ring of the gear rod (11), the teeth height of the toothed ring (12) being identical to the diameter of the gear rod (11).

6. The chain convenient for adjusting the tension according to claim 1, wherein the first box (6) has a through hole at one side adjacent to each other, and a wear-resistant plate is disposed in the through hole.