CN220283362U - Lubricatable inner arm for front crane - Google Patents

Abstract

The utility model relates to the field of inner arms, in particular to a lubricatable inner arm for a front crane, which comprises an inner arm body, wherein one side of the inner arm body is provided with a communicating pipe, an oil tank is arranged on the communicating pipe, a leak is formed at the joint of the communicating pipe and the oil tank, the joint of the communicating pipe and the inner arm body is rotationally connected with a front roller, the front roller can be driven to rotate in the telescopic process of the inner arm during use, the front roller can be driven to rotate through a belt, a sector gear can be driven to move when the sector gear rotates, a rack can be driven to move, a baffle can be driven to move by the rack, lubricating oil can flow into the communicating pipe through the oil tank and can be discharged onto the inner arm finally, so that the inner arm can be lubricated in real time, and the inner arm is not required to be independently disassembled and lubricated manually.

Description

Lubricatable inner arm for front crane

Technical Field

The utility model relates to the technical field of inner arms, in particular to a lubricatable inner arm for a front crane.

Background

The crane is commonly called as a crane, which is a hoisting machine and is a machine doing circulating and intermittent motion. A simple duty cycle thereof comprises: the article taking device lifts the article from the article taking place, then horizontally moves to a designated place to lower the article, and then performs reverse movement to return the article taking device to the original position for the next cycle.

The applicant found that the following problems exist in practical use:

after the crane is used for a long time, the support arm needs to be lubricated, the lubricating mode is to detach a certain position of the support arm, and then oil is applied to the lubricating position by using a lubricating gun, so that the support arm is lubricated, but the lubricating mode is complicated, real-time lubrication cannot be realized, and the labor intensity of personnel is increased by using a traditional lubricating mode.

Accordingly, there is a need to provide a lubricable inner arm for a front lift that addresses the above-described problems.

Disclosure of Invention

The technical problem to be solved by the utility model is to provide a lubricable inner arm for a front crane, which aims at the defects in the prior art.

In order to achieve the above purpose, the technical scheme of the utility model is as follows: the utility model provides a but, is used for lubricated inner arm of openly hanging, includes the inner arm body, one side of inner arm body is equipped with communicating pipe, be equipped with the oil tank on communicating pipe, the drain opening has been seted up to the junction of communicating pipe and oil tank, the junction rotation of communicating pipe and inner arm body is connected the front roller.

The connecting pipe is characterized in that a belt is sleeved on one side end of the front roller at the joint of the connecting pipe and the inner arm body, the other side end of the belt is sleeved on one side end of the sector gear, and a rectangular bottom plate is arranged on the connecting pipe corresponding to the belt.

The inner groove is formed in the bottom plate at the bottom of the communicating pipe, the inner groove is rectangular, two side ends of the inner groove are respectively connected with a front roller and a sector gear in a rotating mode, and a belt is placed in the inner groove.

The device is characterized in that a light wheel is arranged on one side of the sector gear, the light wheel and the middle of the sector gear are in cylindrical arrangement, a rack is transversely arranged on a communicating pipe on one side of the sector gear, and the rack is meshed with the sector gear.

Further, a baffle is connected to one side end of the rack, the baffle is located at one side of the leakage opening, and the area of the baffle is larger than that of the leakage opening.

The socket is further arranged at one side end of the rack, and the limit rod is inserted into the socket.

The diameter of the limiting rod is the same as that of the through hole, and the limiting rod on one side of the rack is sleeved with a reset spring.

Compared with the related art, the lubricatable inner arm for the front crane has the following beneficial effects:

the utility model provides a lubricatable inner arm for a front crane, which is characterized in that a communicating pipe is arranged on one side of the inner arm, a plurality of front rollers are arranged at the joint of the communicating pipe and the inner arm, a certain gap exists between the adjacent front rollers, the gap between the front rollers can realize the flow of lubricating oil, the front rollers can rotate when driven by the inner arm, a fan-shaped gear can be driven to rotate by a belt in the rotating process, the fan-shaped gear can drive a corresponding rack to move, the rack can drive a baffle to reciprocate, the baffle can be far away from a drain opening, the lubrication in an oil tank can enter the communicating pipe, then the lubricating oil can be carried out of the communicating pipe through the rotation of the front rollers, and the lubricating oil can enter the inner arm for lubrication.

The utility model provides a lubricative inner arm for a front crane, which is characterized in that a socket is formed in one side end of a rack, a limiting rod is inserted into the socket, the rack can move along the direction of the limiting rod, the integral limiting of the rack can be realized through the limiting rod, the rack can not undergo position change, a reset spring is sleeved on the limiting rod on one side of the rack, the reset spring can provide a reverse acting force for the rack, and the reset spring can reset the rack.

Drawings

FIG. 1 is a schematic view of a lubricated inner arm for a front crane according to a preferred embodiment of the present utility model;

FIG. 2 is a schematic diagram of a lubricated inner arm for a front lift according to a second preferred embodiment of the present utility model;

FIG. 3 is a schematic view of the structure of the rack in the present utility model;

fig. 4 is a schematic view of the belt connection in the present utility model.

Reference numerals in the drawings: 1. an inner arm body; 2. a communicating pipe; 3. an oil tank; 4. a leak; 5. a baffle; 6. a rack; 7. a limit rod; 8. a return spring; 9. a socket; 10. a sector gear; 11. a front roller; 12. an inner tank; 13. a light wheel; 14. a belt; 15. a bottom plate.

Detailed Description

In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. Exemplary embodiments of the present utility model are illustrated in the accompanying drawings.

Embodiment one:

as shown in fig. 1, the lubricable inner arm for the front crane comprises an inner arm body 1, one side of the inner arm body 1 is provided with a communicating pipe 2, an oil tank 3 is arranged on the communicating pipe 2, a leak 4 is formed at the joint of the communicating pipe 2 and the oil tank 3, a front roller 11 is rotationally connected at the joint of the communicating pipe 2 and the inner arm body 1, the front roller 11 can be driven to rotate in the process of stretching and retracting the inner arm during use, the fan-shaped gear 10 can be driven to rotate by a belt 14 when the front roller 11 rotates, a rack 6 can be driven to move when the fan-shaped gear 10 rotates, a baffle plate 5 can be driven to move by the rack 6, lubricating oil can flow into the communicating pipe 2 through the oil tank 3 and finally can be discharged onto the inner arm, and therefore real-time lubrication of the inner arm is achieved, and independent disassembly and lubrication are not needed.

As shown in fig. 2, a belt 14 is sleeved on one side end of the front roller 11 in the middle of the joint of the communicating pipe 2 and the inner arm body 1, one side end of the sector gear 10 is sleeved on the other side end of the belt 14, a rectangular bottom plate 15 is arranged on the communicating pipe 2 corresponding to the belt 14, the inner groove 12 can be opened through the arrangement of the bottom plate 15, and the belt 14 can be positioned in the inner groove 12, so that the arrangement of components is convenient.

As shown in fig. 3, the bottom plate 15 at the bottom of the communicating tube 2 is provided with an inner groove 12, the inner groove 12 is rectangular, two side ends of the inner groove 12 are respectively and rotatably connected with a corresponding front roller 11 and sector gear 10, a belt 14 is placed in the inner groove 12, the linkage with the front roller 11 can be realized through the sector gear 10, and the sector gear 10 can be simultaneously driven to rotate when the front roller 11 rotates, so that the quick discharge of lubricating oil can be realized.

In practice, through installing communicating pipe 2 in one side of inner arm, a plurality of front roller 11 has been arranged to the junction of communicating pipe 2 and inner arm, there is certain gap between the adjacent front roller 11, the flow of lubricating oil just can be realized to the gap between the front roller 11, the front roller 11 just can rotate when receiving the drive of inner arm, just accessible belt 14 drives sector gear 10 and rotates in the rotation process, sector gear 10 just can drive corresponding rack 6 and remove, rack 6 just can drive baffle 5 and reciprocate, baffle 5 just can keep away from weeping-pong 4, lubrication in the oil tank 3 just can enter into communicating pipe 2, then take out communicating pipe 2 through the rotation of front roller 11, lubricating oil just can enter into on the inner arm and lubricate, because the certain lubricating oil discharge volume in space between the front roller 11 can satisfy lubrication and can not too much, thereby realize the real-time lubrication of inner arm, just need not dismantle the lubrication alone.

Embodiment two:

as shown in fig. 4, on the basis of the first embodiment, the present utility model provides a technical solution: one side of the sector gear 10 is provided with a light wheel 13, the middle part of the light wheel 13 and the sector gear 10 are in a cylindrical shape, a rack 6 is transversely arranged on the communicating pipe 2 at one side of the sector gear 10, the rack 6 and the sector gear 10 are meshed with each other, the light wheel 13 and the sector gear 10 can form a whole through connection, the light wheel 13 can be rotated to the rack 6 when the sector gear 10 continuously rotates, the light wheel 13 can not continuously drive the rack 6 to move, and therefore the moving process of the baffle 5 is prevented from being larger; the baffle 5 is connected on the end of one side of the rack 6, the baffle 5 is positioned on one side of the leak 4, the area of the baffle 5 is larger than that of the leak 4, the leak 4 can be blocked by the baffle 5, and lubricating oil in the oil tank 3 is prevented from continuously flowing into the communicating pipe 2.

As shown in fig. 4, a socket 9 is formed on one end of the rack 6, a limiting rod 7 is inserted into the socket 9, limiting of the rack 6 can be realized through the limiting rod 7, and the rack 6 cannot change in position during movement; the diameter of the limiting rod 7 is the same as that of the through hole, the limiting rod 7 on one side of the rack 6 is sleeved with a reset spring 8, the reset spring 8 can be contracted when being compressed, and the rack 6 can be pushed when not being greatly compressed, so that the reset is realized.

In implementation, through offer socket 9 on the one side end of rack 6, socket 9 interpolation is followed gag lever post 7, and rack 6 just can remove along gag lever post 7 direction, just can realize the holistic spacing to rack 6 through gag lever post 7, and rack 6 just can not take place the position change, cup joints reset spring 8 on gag lever post 7 on one side of rack 6, and reset spring 8 just can provide a reverse effort to rack 6, and reset spring 8 just can reset rack 6.

The technical scheme has the advantages in practical application including but not limited to the following points:

the discharge of lubricating oil can be realized through the linkage between the front roller 11 and the sector gear 10, and the reset of the baffle plate 5 can be realized through the reset spring 8, so that the continuous discharge of lubricating oil is prevented, and the real-time lubrication can be realized through the arrangement.

When the technical scheme is used, the inner arm can drive the front roller 11 to rotate, and the front roller 11 can drive the sector gear 10 to rotate so as to realize the discharge of lubricating oil, thereby realizing real-time lubrication.

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 (7)

1. A lubricatable inner arm for a frontal crane, comprising an inner arm body (1), characterized in that: one side of the inner arm body (1) is provided with a communicating pipe (2), an oil tank (3) is arranged on the communicating pipe (2), a leak (4) is formed in the joint of the communicating pipe (2) and the oil tank (3), and a front roller (11) is rotationally connected with the joint of the communicating pipe (2) and the inner arm body (1).

2. The lubricatable inner arm for a front crane according to claim 1, wherein a belt (14) is sleeved on one side end of a front middle roller (11) at the joint of the communicating pipe (2) and the inner arm body (1), the other side end of the belt (14) is sleeved on one side end of a sector gear (10), and a rectangular bottom plate (15) is arranged on the communicating pipe (2) corresponding to the belt (14).

3. The inner arm capable of being lubricated for the front crane according to claim 2, wherein an inner groove (12) is formed in a bottom plate (15) at the bottom of the communicating pipe (2), the inner groove (12) is rectangular, two side ends of the inner groove (12) are respectively connected with a front roller (11) and a sector gear (10) in a rotating mode, and a belt (14) is placed in the inner groove (12).

4. A lubricatable inner arm for a frontal crane according to claim 3, wherein one side of the sector gear (10) is provided with a light wheel (13), the light wheel (13) and the middle part of the sector gear (10) are arranged in a cylindrical shape, a rack (6) is transversely arranged on a communicating pipe (2) at one side of the sector gear (10), and the rack (6) is meshed with the sector gear (10).

5. A lubricatable inner arm for a facade according to claim 4, characterised in that a baffle (5) is connected to one side end of the rack (6), said baffle (5) being located on one side of the drain opening (4), the area of said baffle (5) being larger than the area of the drain opening (4).

6. The lubricatable inner arm for a frontal crane according to claim 4, wherein a socket (9) is provided on one side end of the rack (6), and a stop lever (7) is inserted into the socket (9).

7. The lubricatable inner arm for a frontal crane according to claim 6, wherein the diameter of the limit rod (7) is the same as the diameter of the through hole, and the limit rod (7) on one side of the rack (6) is sleeved with a return spring (8).