Roller with lubricating structure

Abstract

The utility model relates to a roller with a lubricating structure, which comprises two symmetrically arranged roller supports and sealing cylinders arranged on the roller supports, an inner shaft is rotatably connected between the two sealing cylinders, an outer cylinder used for being contacted with the inner side wall of an arch frame is arranged outside the inner shaft, and the sealing cylinders are rotatably connected with the inner shaft through sealing bearings. Lubricating liquid is conveyed through the oil inlet pipeline, when the inner shaft and the outer cylinder rotate, the auxiliary rotating shaft on the inner shaft plays a role in auxiliary rotation, the auxiliary rotating shaft alternately jacks up the leakage plate, the guide rod and the sealing plate, and when the sealing plate is jacked up, the lubricating liquid in the oil inlet pipeline can be continuously conveyed downwards through the circulation channel. And the redundant lubricating liquid is discharged through the lubricating liquid discharging assembly, the lubricating effect of the lubricating liquid is achieved through the self-rotation effect of the inner shaft and the outer cylinder, and use is convenient and fast.

Description

Technical Field

[0001] The utility model belongs to the technical field of roller lubrication, and in particular relates to a roller with a lubrication structure. Background Art

[0002] The roller of the arch frame trolley is disclosed in Patent No. CN220667583U. The top of the opposite side of the two working bars is respectively provided with a roller. The roller and the bracket on the working bar are generally rotatably connected by bearings. The roller is used to contact the inner side of the arch frame and drive the two ends of the arch frame to move away from each other through the auxiliary arm, so that the two ends of the arch frame are in contact with the inner wall of the tunnel; when the roller contacts the arch frame and drives the working bar and the roller to move to unfold the arch through the auxiliary arm, the roller itself rotates and the roller also moves relative to the inner wall of the arch frame.

[0003] In the prior art, in order to achieve a better rotation of the drum itself and smooth sliding relative to the inner wall of the arch frame, it is generally necessary to lubricate the outer wall of the drum with lubricating liquid to reduce friction, and it is also necessary to replenish the lubricating liquid to the bearings on the drum to ensure that the bearings can rotate normally. However, the above-mentioned prior art does not provide any structure for lubricating the drum. In actual use, it is necessary to manually replenish the lubricating liquid to the bearings on the drum and manually apply the lubricating liquid to the outer wall of the drum. The degree of automation is low, the manual workload of the staff is high, and it is inconvenient to use. Utility Model Content

[0004] The purpose of the utility model is to provide a roller with a lubrication structure in order to solve the above-mentioned problem, aiming to solve the technical problems in the prior art that the roller on the arch trolley is not provided with any structure for lubricating the outer wall of the roller or the bearings thereon, and manual lubrication is required to be added to the bearings on the roller and lubrication is applied to the outer wall of the roller, the degree of automation is low, the manual workload of the staff is high, and there are inconveniences in use.

[0005] The utility model achieves the above-mentioned purpose through the following technical solutions:

[0006] A roller with a lubrication structure, comprising two symmetrically arranged roller brackets, a sealing cylinder arranged on the roller brackets, an inner shaft rotatably connected between the two sealing cylinders, an outer cylinder for contacting the inner wall of the arch frame is arranged outside the inner shaft, and the sealing cylinder is rotatably connected to the inner shaft through a sealing bearing; it also includes a lubricating liquid inlet component and a lubricating liquid discharge component for conveying lubricating liquid to the sealing bearing inside the sealing cylinder, a coating component for coating the outer wall of the outer cylinder with lubricating liquid, and a cleaning component for cleaning the outer wall of the outer cylinder;

[0007] The lubricating liquid inlet assembly includes an oil inlet pipeline arranged at the top of the sealing cylinder, a support plate fixedly arranged inside the oil inlet pipeline, a circulation channel opened on the support plate, a guide rod penetrating the support plate and slidably connected to the support plate, a sealing plate and a leak plate arranged at the top and bottom of the guide rod, and a spring arranged between the support plate and the leak plate. The sealing plate is used to seal the circulation channel, a plurality of grooves are opened on the outer wall of the inner shaft, an auxiliary rotating shaft is rotatably connected inside the groove body, and the outer wall surface of the auxiliary rotating shaft protrudes from the outer wall surface of the inner shaft and is used to lift the leak plate, the guide rod, and the sealing plate to release the sealing of the sealing plate on the circulation channel.

[0008] As a further optimization solution of the utility model, the lubricating and draining assembly includes an oil drain pipe arranged at the bottom of the sealing cylinder and a delivery pipe connected to the oil drain pipe.

[0009] As a further optimization scheme of the utility model, the lubricating liquid inlet assembly also includes a lubricating liquid storage tank, a delivery pump connected to the liquid outlet of the lubricating liquid storage tank, and a delivery pipeline 2 and a delivery pipeline 3 connected to the liquid outlet of the delivery pump and both having a switch valve, wherein the delivery pipeline 2 is connected to the oil inlet pipeline, and the delivery pipeline 3 is connected to the delivery pipeline 1.

[0010] As a further optimization scheme of the utility model, the coating assembly includes a recovery box connected to the conveying pipeline and arranged between two roller brackets, a mounting groove opened on the side wall of the recovery box close to the outer cylinder, a coating member arranged inside the recovery box and extending into the mounting groove and in contact with the outer wall of the outer cylinder, a recovery channel opened on the inner wall of the mounting groove for connecting to the recovery box, and a reflux pipe provided on the recovery box and having a switch valve, wherein the liquid outlet of the reflux pipe is connected to the lubricating liquid storage tank.

[0011] As a further optimization solution of the utility model, the cleaning assembly includes a plurality of scrapers arranged between the two roller brackets, and a collection frame arranged between the two roller brackets and used for receiving impurities and debris scraped off by the scrapers.

[0012] As a further optimization solution of the utility model, a sealing gasket for sealing the circulation channel is provided at a position on the bottom of the sealing plate corresponding to the circulation channel.

[0013] The beneficial effects of the utility model are:

[0014] 1) The utility model delivers lubricating liquid through the oil inlet pipeline. When the inner shaft and the outer cylinder rotate, the auxiliary rotating shaft on the inner shaft plays an auxiliary rotating role, and the auxiliary rotating shaft alternately lifts the leak plate, the guide rod, and the sealing plate. When the sealing plate is lifted, the lubricating liquid inside the oil inlet pipeline can continue to be transported downward through the circulation channel, thereby diffusing between the sealing cylinder and the inner shaft, thereby lubricating the sealing cylinder, the inner shaft, the auxiliary rotating shaft and the sealed bearing. Excess lubricating liquid is discharged through the lubricating discharge assembly, and the lubricating liquid lubrication effect is achieved through the self-rotation of the inner shaft and the outer cylinder, which is convenient to use;

[0015] 2) The utility model delivers the lubricating liquid to the inside of the sealing cylinder through the delivery pipe 2 and the oil inlet pipe, and lubricates the sealing cylinder, the inner shaft, the auxiliary rotating shaft and the sealing bearing, and the excess lubricating liquid can be further delivered to the inside of the recovery box through the oil discharge pipe and the delivery pipe 1, and the lubricating liquid can also be delivered to the inside of the recovery box through the delivery pipe 3 and the delivery pipe 1, and the recovery box can also accumulate the lubricating liquid, so that the smearing member absorbs the lubricating liquid and then smears it on the outer wall of the outer cylinder, and the lubricating liquid lubrication effect between the sealing cylinder, the inner shaft, the auxiliary rotating shaft, the sealing bearing and the outer wall of the outer cylinder is achieved through the self-rotation of the inner shaft and the outer cylinder;

[0016] 3) In the utility model, the lubricating liquid inside the recovery box can be directly recovered to the lubricating liquid storage box through the reflux pipe for recycling. In addition, when applying it on the outer wall of the outer cylinder, the excess lubricating liquid will be recovered to the recovery box through the recovery channel, thereby reducing the waste of lubricating liquid. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0018] Figure 2 It is a front sectional view of the sealing cylinder of the utility model.

[0019] Figure 3 The utility model Figure 2 A-section structure enlarged view.

[0020] Figure 4 It is a front cross-sectional view of the inner shaft, outer cylinder, recovery box and collection frame of the utility model.

[0021] Figure 5 The utility model Figure 4 Schematic diagram of part of the structure.

[0022] Figure 6 It is a side view of a partial structure of the utility model.

[0023] In the figure: 1. roller bracket; 2. sealing cylinder; 3. inner shaft; 4. outer cylinder; 5. tank body; 6. auxiliary rotating shaft; 7. oil inlet pipeline; 8. support plate; 9. circulation channel; 10. guide rod; 11. sealing plate; 12. leakage plate; 13. spring; 14. oil discharge pipeline; 15. delivery pipeline one; 16. recovery box; 17. mounting groove; 18. smearing piece; 19. recovery channel; 20. collection frame; 21. scraper; 22. lubricating liquid storage box; 23. delivery pump; 24. delivery pipeline two; 25. delivery pipeline three; 26. return pipeline; 88. sealed bearing. DETAILED DESCRIPTION

[0024] The present application is further described in detail below in conjunction with the accompanying drawings. It is necessary to point out here that the following specific implementation methods are only used to further illustrate the present application and cannot be understood as limiting the scope of protection of the present application. Technical personnel in this field can make some non-essential improvements and adjustments to the present application based on the above application content.

[0025] like Figure 1-6 As shown, a roller with a lubrication structure comprises two symmetrically arranged roller brackets 1, a sealing cylinder 2 arranged on the roller bracket 1, an inner shaft 3 is rotatably connected between the two sealing cylinders 2, an outer cylinder 4 for contacting the inner wall of the arch frame is arranged outside the inner shaft 3, and the sealing cylinder 2 is rotatably connected with the inner shaft 3 through a sealing bearing 88; it also comprises a lubricating liquid inlet component and a lubricating liquid discharge component for conveying lubricating liquid to the sealing bearing 88 inside the sealing cylinder 2, a coating component for coating the outer wall of the outer cylinder 4 with lubricating liquid, and a cleaning component for cleaning the outer wall of the outer cylinder 4;

[0026] The lubricating liquid inlet assembly includes an oil inlet pipeline 7 arranged at the top of the sealing cylinder 2, a support plate 8 fixedly arranged inside the oil inlet pipeline 7, a circulation channel 9 opened on the support plate 8, a guide rod 10 penetrating the support plate 8 and connected to the support plate 8 for vertical sliding, a sealing plate 11 and a leak plate 12 arranged at the top and bottom of the guide rod 10, and a spring 13 arranged between the support plate 8 and the leak plate 12, the sealing plate 11 is used to seal the circulation channel 9, a plurality of grooves 5 are opened on the outer wall of the inner shaft 3, an auxiliary rotating shaft 6 is rotatably connected inside the groove body 5, the outer wall surface of the auxiliary rotating shaft 6 protrudes from the outer wall surface of the inner shaft 3 and is used to lift the leak plate 12, the guide rod 10, and the sealing plate 11 to release the sealing of the sealing plate 11 on the circulation channel 9.

[0027] Preferably, the lubricating and draining assembly includes an oil drain pipe 14 disposed at the bottom of the sealing cylinder 2 and a delivery pipe 15 connected to the oil drain pipe 14 .

[0028] Preferably, the lubricating liquid inlet assembly also includes a lubricating liquid storage tank 22, a delivery pump 23 connected to the liquid outlet of the lubricating liquid storage tank 22, a delivery pipe 24 and a delivery pipe 3 25 connected to the liquid outlet of the delivery pump 23 and both having a switch valve, the delivery pipe 24 is connected to the oil inlet pipe 7, the delivery pipe 3 25 is connected to the delivery pipe 1 15, the lubricating liquid inside the lubricating liquid storage tank 22 is extracted by the delivery pump 23, and then delivered to the inside of the sealing cylinder 2 through the delivery pipe 24 and the oil inlet pipe 7, so as to provide a lubricating liquid between the sealing cylinder 2 and the inner shaft 3 and inside the sealing cylinder 2. The sealing bearing 88 of the outer cylinder 4 is lubricated, and the excess lubricating liquid can be further transported to the inside of the recovery box 16 through the oil discharge pipe 14 and the delivery pipe 15, and then transported to the inside of the recovery box 16 through the delivery pipe 3 25 and the delivery pipe 15. The lubricating liquid in the recovery box 16 can be directly recovered to the lubricating liquid storage tank 22 through the reflux pipe 26 for recycling, and the recovery box 16 can also accumulate the lubricating liquid, so that the smearing member 18 absorbs the lubricating liquid and then smears it on the outer wall of the outer cylinder 4. In addition, the excess lubricating liquid during smearing will be recovered to the inside of the recovery box 16 through the recovery channel 19.

[0029] It should be noted that, in the present embodiment, a liquid inlet pipe is provided on the lubricating liquid storage box 22, and a sealing cover is detachably connected to the liquid inlet pipe to facilitate replenishing the lubricating liquid into the lubricating liquid storage box 22. The sealing cover has a good sealing effect and can better preserve the lubricating liquid storage box 22.

[0030] Preferably, the smearing assembly includes a recovery box 16 connected to the delivery pipe 15 and arranged between the two roller brackets 1, a mounting groove 17 provided on the side wall of the recovery box 16 close to the outer cylinder 4, a smearing member 18 provided inside the recovery box 16 and extending into the mounting groove 17 and contacting the outer wall of the outer cylinder 4, a recovery channel 19 provided on the inner wall of the mounting groove 17 for connecting to the recovery box 16, and a reflux pipe 26 provided on the recovery box 16 and having a switch valve, wherein the liquid outlet of the reflux pipe 26 is connected to the lubricating liquid storage tank 22, and the lubricating liquid delivered through the oil discharge pipe 14 or the delivery pipe 3 25 can be input into the recovery box 16, and the lubricating liquid in the recovery box 16 is absorbed by the smearing member 18. The lubricant is applied to the outer wall of the outer cylinder 4. If the outer wall of the outer cylinder 4 does not need to be applied with lubricant, the switch valve on the delivery pipe three 25 is closed, and the switch valve on the return pipe 26 is opened. The lubricant delivered to the inside of the recovery box 16 through the oil discharge pipe 14 can be directly delivered out through the return pipe 26. If the outer wall of the outer cylinder 4 needs to be applied with lubricant, the switch valve on the return pipe 26 is closed. The lubricant delivered through the oil discharge pipe 14 or the delivery pipe three 25 can be accumulated in the recovery box 16, and then the lubricant is absorbed by the application piece 18 and applied to the outer wall of the outer cylinder 4. The lubricant is applied to the outer wall of the outer cylinder 4 to reduce the friction and wear when the outer cylinder 4 contacts the inner wall of the arch.

[0031] Preferably, the cleaning assembly includes a plurality of scrapers 21 arranged between the two roller supports 1, and a collection frame 20 arranged between the two roller supports 1 and used to receive impurities and debris scraped off by the scrapers 21. When the inner shaft 3 and the outer cylinder 4 rotate, the collection frame 20 contacts the scrapers 21, so that impurities adhering to the outer wall surface of the outer cylinder 4 can be cleaned, and then the impurities scraped off by the scrapers 21 are received and stored by the collection frame 20.

[0032] Preferably, a sealing gasket for sealing the circulation channel 9 is provided at a position at the bottom of the sealing plate 11 corresponding to the circulation channel 9 , so as to seal the circulation channel 9 to prevent the lubricating liquid from leaking from the circulation channel 9 .

[0033] The above-mentioned embodiments only express several implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the patent of the utility model. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model.

Claims

1. A roller with a lubrication structure, comprising two symmetrically arranged roller supports (1), a sealing cylinder (2) arranged on the roller supports (1), an inner shaft (3) rotatably connected between the two sealing cylinders (2), an outer cylinder (4) for contacting the inner side wall of the arch frame is arranged outside the inner shaft (3), the sealing cylinder (2) and the inner shaft (3) are rotatably connected via a sealing bearing (88), characterized in that: It also includes a lubricating liquid inlet assembly and a lubricating liquid discharge assembly for conveying lubricating liquid to the internal sealing bearing (88) of the sealing cylinder (2), a coating assembly for coating the outer wall of the outer cylinder (4), and a cleaning assembly for cleaning the outer wall of the outer cylinder (4); The lubricating liquid inlet assembly comprises an oil inlet pipeline (7) arranged at the top of the sealing cylinder (2), a support plate (8) fixedly arranged inside the oil inlet pipeline (7), a circulation channel (9) opened on the support plate (8), a guide rod (10) penetrating the support plate (8) and connected to the support plate (8) in an upward and downward sliding manner, a sealing plate (11) and a leaking plate (12) arranged at the top and bottom of the guide rod (10), and a spring (13) arranged between the support plate (8) and the leaking plate (12); the sealing plate (11) is used to seal the circulation channel (9); a plurality of grooves (5) are opened on the outer wall of the inner shaft (3); an auxiliary rotating shaft (6) is rotatably connected inside the groove (5); the outer wall surface of the auxiliary rotating shaft (6) protrudes from the outer wall surface of the inner shaft (3) and is used to lift the leaking plate (12), the guide rod (10), and the sealing plate (11) to release the sealing of the circulation channel (9) by the sealing plate (11).

2. The roller with a lubrication structure according to claim 1, characterized in that: The lubricating and draining assembly comprises an oil drain pipe (14) arranged at the bottom of the sealing cylinder (2) and a delivery pipe (15) connected to the oil drain pipe (14).

3. The roller with a lubrication structure according to claim 2, characterized in that: The lubricating liquid inlet assembly also includes a lubricating liquid storage tank (22), a delivery pump (23) connected to the liquid outlet of the lubricating liquid storage tank (22), and a delivery pipeline 2 (24) and a delivery pipeline 3 (25) connected to the liquid outlet of the delivery pump (23) and both having switch valves, wherein the delivery pipeline 2 (24) is connected to the oil inlet pipeline (7), and the delivery pipeline 3 (25) is connected to the delivery pipeline 1 (15).

4. The roller with a lubrication structure according to claim 3, characterized in that: The coating assembly comprises a recovery box (16) connected to a conveying pipe (15) and arranged between two roller brackets (1), a mounting groove (17) provided on a side wall of the recovery box (16) close to the outer cylinder (4), a coating member (18) provided inside the recovery box (16) and extending into the mounting groove (17) and contacting the outer wall of the outer cylinder (4), a recovery channel (19) provided on the inner wall of the mounting groove (17) for connecting to the recovery box (16), and a return pipe (26) provided on the recovery box (16) and having a switch valve, wherein the liquid outlet of the return pipe (26) is connected to a lubricating liquid storage tank (22).

5. The roller with a lubrication structure according to claim 1, characterized in that: The cleaning assembly comprises a plurality of scrapers (21) arranged between two roller supports (1), and a collection frame (20) arranged between the two roller supports (1) and used for receiving impurities and debris scraped off by the scrapers (21).

6. The roller with a lubrication structure according to claim 1, characterized in that: A sealing gasket for sealing the circulation channel (9) is provided at a position on the bottom of the sealing plate (11) corresponding to the circulation channel (9).

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