CN220204630U - Spacing chain structure - Google Patents

Abstract

The utility model discloses a limiting chain structure, which comprises a mounting frame: the novel lubricating device comprises a mounting frame, wherein three fixed chain wheels are rotatably arranged on the mounting frame, chains are connected to the three fixed chain wheels in a meshed mode, an oil storage box is arranged on the mounting frame and located between the chains on two sides, a lubricating piece is movably arranged in the oil storage box, and a linkage assembly for driving the lubricating piece to move from an avoidance position to a lubricating position is arranged on the mounting frame. According to the chain structure, the lubricating piece is movably arranged in the oil storage box, so that the chain structure can stretch and retract in the oil storage box under the drive of the linkage assembly, and the lubricating piece is contacted with the chain for scraping, so that lubricating oil in the oil storage box is uniformly transferred to the chain, the meshing part of the chain and the chain wheel can be lubricated, the use abrasion of the chain is reduced, the lubrication operation convenience of the chain is improved, and the running safety and stability of the limiting chain structure are enhanced.

Description

Spacing chain structure

Technical Field

The utility model relates to the technical field of chain transmission, in particular to a limiting chain structure.

Background

The chain transmission is a transmission mode of transmitting motion and power of a driving chain wheel with a special tooth shape to a driven chain wheel with a special tooth shape through a chain, has a plurality of advantages, compared with belt transmission, has no elastic sliding and slipping phenomenon, has accurate average transmission ratio, reliable work, high efficiency, high transmission power, strong overload capacity, small transmission size under the same working condition, small required tensioning force and small pressure acting on a shaft, can work in severe environments such as high temperature, humidity, dustiness, pollution and the like, and in a chain transmission structure, the chain is required to be subjected to limit protection treatment so as to ensure the stability of a chain transmission state.

Chinese patent publication No.: CN209040912U discloses a transmission device of timing chain, including the engine side wall, the upper portion of the outer wall of engine side wall have camshaft gear one, with camshaft gear one horizontal interval distribution's camshaft gear two, the lower part of the outer wall of engine side wall have crank gear, the middle part of the outer wall of engine side wall that is in the camshaft gear below has the water pump gear, camshaft gear one, camshaft gear two, crank gear and water pump gear on be provided with the timing chain and this four are connected through the chain tooth transmission of the inside wall of this timing chain, its characterized in that, the middle part of the outer wall of engine side wall that is in camshaft gear two below have timing idler and this timing idler hug closely in the outside wall of timing chain, the outer wall of engine side wall between water pump gear and the camshaft gear one on be provided with the timing tensioner, timing tensioner and engine side wall between have radial adjusting device make the timing tensioner compress tightly in the outside wall of timing chain all the time.

In order to ensure stable rotation of the chain and the chain wheel during operation, the chain transmission structure needs to lubricate the joint of the chain and the chain wheel, at present, the adding of lubricating oil adopts a manual adding mode, and the chain wheel or the chain needs to be aligned when the lubricating oil is added, so that the adding operation of the lubricating oil is not convenient enough, and the phenomenon that the lubricating oil is scattered easily occurs.

Disclosure of Invention

The utility model aims to provide a limiting chain structure which adopts a telescopic movable lubricating piece to uniformly and stably transfer lubricating oil to a chain and improve the lubrication degree of the chain and a chain wheel.

In order to achieve the above object, the present utility model provides the following technical solutions: a spacing chain structure, includes the mounting bracket:

three fixed chain wheels are rotatably arranged on the mounting frame, and chains are connected to the three fixed chain wheels in a meshed manner;

an oil storage box is arranged on the mounting frame and between the chains at two sides, and a lubricating piece is movably arranged in the oil storage box;

the lubricating piece is provided with a lubricating position of a chain contacted and scraped on the travel of the lubricating piece and an avoiding position separated from the chain;

the mounting frame is provided with a linkage assembly for driving the lubricating piece to move from the avoiding position to the lubricating position.

As a further description of the above technical solution:

be equipped with the spout on the mounting bracket, and the inner wall bottom of spout is provided with first cylinder, and the output of first cylinder is provided with movable sprocket.

As a further description of the above technical solution:

the lubricating piece is including setting up the fly leaf in the oil storage box and T shape structure, and the horizontal end of fly leaf is provided with the brush, and the brush moves along the through-hole inner wall on the oil storage box.

As a further description of the above technical solution:

the linkage assembly comprises a locating sleeve, two sides of the locating sleeve are rotatably connected with one end of the connecting rod through a rotating shaft, and the other end of the connecting rod is rotatably connected with the vertical end of the movable plate through the rotating shaft.

As a further description of the above technical solution:

and a second cylinder for driving the positioning sleeve to move is arranged on the mounting frame.

As a further description of the above technical solution:

the outer wall of the movable chain wheel is provided with a thickening ring, the radial outer wall of the thickening ring is provided with a positioning groove, and a limiting rod is spirally arranged in the positioning groove.

As a further description of the above technical solution:

the outer wall of the limiting rod is rotationally connected with a roller.

In the technical scheme, the limit chain structure provided by the utility model has the following beneficial effects:

this chain structure makes it can be under the drive of linkage subassembly flexible removal in the oil storage box through the lubricated piece that the activity set up in the oil storage box for lubricated piece and chain contact scraping, thereby on evenly transmitting the chain with the lubricating oil in the oil storage box, can play the lubrication effect to the meshing department of chain and sprocket, reduce the use wearing and tearing of chain, also improve the lubrication operation convenience of chain, strengthened the operation safety and stability of spacing chain structure.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.

Fig. 1 is a schematic structural view of a limiting chain structure according to an embodiment of the present utility model;

FIG. 2 is a schematic diagram of a moving sprocket according to an embodiment of the present utility model;

fig. 3 is a schematic structural diagram of a connection part between a second cylinder, a linkage assembly and an oil storage box according to an embodiment of the present utility model;

fig. 4 is a schematic view showing an internal structure of a joint between a lubricant and an oil storage box according to an embodiment of the present utility model.

Reference numerals illustrate:

1. a fixed sprocket; 2. a mounting frame; 3. a chain; 4. a chute; 5. a first cylinder; 6. a movable sprocket; 61. a thickening ring; 62. a positioning groove; 63. a limit rod; 64. a roller; 7. a second cylinder; 8. a linkage assembly; 81. a positioning sleeve; 82. a rotating shaft; 83. a connecting rod; 84. a lubricating member; 841. a movable plate; 842. a brush; 9. an oil storage box; 91. and a through hole.

Detailed Description

In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.

As shown in fig. 1 to 4, a spacing chain structure includes a mounting frame 2:

three fixed chain wheels 1 are rotatably arranged on the mounting frame 2, the three fixed chain wheels 1 are connected with a chain 3 in a meshed manner, and the three fixed chain wheels 1 are distributed in a triangular structure and are respectively arranged on three transmission shafts, so that the chain 3 can drive the transmission shafts corresponding to the three fixed chain wheels 1 to rotate, and the transmission effect of the chain 3 is realized;

be provided with oil storage box 9 on the mounting bracket 2 and be located between the both sides chain 3, oil storage box 9 intussuseption is filled with the dedicated lubricating oil of chain 3, and the activity is provided with lubricated piece 84 in the oil storage box 9, lubricated piece 84 has the lubricated position of the chain 3 of contact scraping and break away from the position of dodging of chain 3 on its stroke, be provided with the linkage subassembly 8 that drive lubricated piece 84 moved to the lubricated position by dodging the position on the mounting bracket 2, when chain 3 does not need lubricate, lubricated piece 84 can be hidden in oil storage box 9 for lubricated piece 84 does not contact with chain 3, also can play sealed leak protection effect to the lubricating oil in the oil storage box 9, when need lubricate chain 3, through the removal of linkage subassembly 8, can drive lubricated piece 84 shift out in oil storage box 9, make lubricated piece 84 move to the lubricated position from dodging the position, this moment, can be with the lubricated piece 84 on the transmission of the residual lubricating oil of gathering on the lubrication piece 84 to chain 3, play lubrication protection effect to chain 3, manual interpolation operation of carrying out lubricating oil has improved the safety and stability of the operation of chain 3, the safety and convenience of the operation of the manual lubrication has been improved.

Be equipped with spout 4 on the mounting bracket 2, and the inner wall bottom of spout 4 is provided with first cylinder 5, and the output of first cylinder 5 is provided with movable sprocket 6, and the meshing of chain 3 is in the top of movable sprocket 6, through the drive of first cylinder 5 for movable sprocket 6 can move in spout 4, can play to support tight operation to chain 3, thereby adjusts the rate of tension size of chain 3.

The lubrication piece 84 is including setting up the fly leaf 841 in the oil storage box 9 and T shape structure, the horizontal end of fly leaf 841 is provided with brush 842, and brush 842 moves along the through-hole 91 inner wall on the oil storage box 9, linkage assembly 8 includes spacer 81, the both sides of spacer 81 are rotationally connected with the one end of connecting rod 83 through pivot 82, and the other end of connecting rod 83 is rotationally connected with the vertical end of fly leaf 841 through pivot 82, be provided with the second cylinder 7 that drive spacer 81 removed on mounting bracket 2, when need not carry out lubricating oil transmission to chain 3, brush 842 can hide in through-hole 91, and contact with lubricating oil in the oil storage box 9, make brush 842 be soaked by lubricating oil, when need lubricate chain 3, second cylinder 7 drive spacer 81 moves up, the connecting rod 83 of tilt state can trend the horizontality gradually this moment, and under the rotatory effect of pivot 82, promote the fly leaf 841 makes it move in the oil storage box 9, can release brush 842 from the through-hole 91 and with chain 3 contact, thereby when 3 moves, with the lubricating oil on the chain 3, can reduce friction effect to the chain 3 and wear resistance to the chain 3, can be reduced to the convenient and easy and fast wear.

The outer wall of movable sprocket 6 is provided with thickening ring 61, the radial outer wall of thickening ring 61 is equipped with constant head tank 62, and the spiral is provided with gag lever post 63 in the constant head tank 62, the outer wall rotation of gag lever post 63 is connected with cylinder 64, when the chain 3 on the movable sprocket 6 needs the equipment, shift out gag lever post 63 from constant head tank 62 spiral earlier, after the equipment of chain 3 is accomplished, with gag lever post 63 again with constant head tank 62 screwed connection, make three gag lever post 63 can form spacing protective structure in the outside of movable sprocket 6, avoid chain 3 to drop out from movable chain 3, combine the rolling action of cylinder 64 simultaneously, can be when chain 3 horizontal hunting and cylinder 64 contact, make cylinder 64 can rotate on gag lever post 63, can play the effect of reducing friction resistance to chain 3, avoid chain 3 when horizontal hunting with gag lever post 63 violently wearing and tearing take place the phenomenon excessively.

While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.

Claims (7)

1. Spacing chain structure, including mounting bracket (2), its characterized in that:

three fixed chain wheels (1) are rotatably arranged on the mounting frame (2), and chains (3) are connected to the three fixed chain wheels (1) in a meshed manner;

an oil storage box (9) is arranged on the mounting frame (2) and positioned between the chains (3) at two sides, and a lubricating piece (84) is movably arranged in the oil storage box (9);

the lubrication element (84) has, over its travel, a lubrication position in contact with the scraped chain (3) and a clear position out of contact with the chain (3);

the mounting frame (2) is provided with a linkage assembly (8) for driving the lubricating piece (84) to move from the avoiding position to the lubricating position.

2. A spacing chain structure according to claim 1, characterized in that: the novel hydraulic lifting device is characterized in that a sliding groove (4) is formed in the mounting frame (2), a first air cylinder (5) is arranged at the bottom end of the inner wall of the sliding groove (4), and a movable chain wheel (6) is arranged at the output end of the first air cylinder (5).

3. A spacing chain structure according to claim 1, characterized in that: the lubricating piece (84) comprises a movable plate (841) which is arranged in the oil storage box (9) and is of a T-shaped structure, a hairbrush (842) is arranged at the horizontal end of the movable plate (841), and the hairbrush (842) moves along the inner wall of the through hole (91) in the oil storage box (9).

4. A spacing chain structure according to claim 1, characterized in that: the linkage assembly (8) comprises a positioning sleeve (81), two sides of the positioning sleeve (81) are rotatably connected with one end of a connecting rod (83) through a rotating shaft (82), and the other end of the connecting rod (83) is rotatably connected with the vertical end of a movable plate (841) through the rotating shaft (82).

5. A spacing chain structure according to claim 1, characterized in that: the mounting frame (2) is provided with a second air cylinder (7) for driving the positioning sleeve (81) to move.

6. A spacing chain structure according to claim 2, characterized in that: the outer wall of the movable chain wheel (6) is provided with a thickening ring (61), the radial outer wall of the thickening ring (61) is provided with a positioning groove (62), and a limiting rod (63) is spirally arranged in the positioning groove (62).

7. The spacing chain structure of claim 6, wherein: the outer wall of the limiting rod (63) is rotatably connected with a roller (64).