Hanging bracket bearing device of spiral conveyor

Abstract

The utility model relates to the technical field of conveying machinery, and discloses a hanging bracket bearing device of a spiral conveyer, which comprises a hanging bracket main body, a joint shaft seat is fixed at the bottom end of the hanging bracket main body, spiral conveyors are arranged on two sides of the hanging bracket main body, and spiral conveying shafts are arranged in the spiral conveyors; a joint inner shaft is arranged on the inner wall of the joint shaft seat, a transmission shaft is connected to the inner wall of the joint inner shaft, and connecting pins are arranged on the two sides of the transmission shaft. According to the device, the joint shaft seat and the joint inner shaft are matched with each other, so that the joint inner shaft can perform multi-directional angle movement in the joint shaft seat through a spherical surface and synchronously drive the transmission shaft to move, and the spiral conveying shaft drives the transmission shaft to rotate through the connecting pin and the bolt when rotating; the axis of the transmission shaft is adjusted in the joint shaft seat through the joint inner shaft, so that the transmission shaft and the spiral conveying shaft are located at the same axis, and friction between the spiral blades on the outer wall of the spiral conveying shaft and the inner wall of the spiral conveyor can be reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to conveying machinery technical field especially relates to a kind of hanger bearing device of screw conveyor. BACKGROUND

[0002] Screw conveyor is mainly used for horizontal conveying powder, granular and small block material, which utilizes fixed rotating shaft and helical blade to make material move in one direction in the shell along the axial direction. When the length of screw conveyor is too long, the screw shaft will be deformed due to the length and material factors, and the helical blade will rub against the pipe body. Therefore, when the screw conveyor is too long, a hanger bearing device is added in the middle of the screw shaft to avoid the screw shaft from being deformed and rubbing against the pipe body and the screw shaft from being broken.

[0003] For the above and existing related technologies, the inventor believes that the following defects often exist: during the operation of the screw conveyor, the bushings or hanger shafts in the hanger bearing device are worn out due to long-time friction, which causes the two shafts of the screw conveyor and the hanger bearing device not to be on the same axis, the helical blade to rub against the pipe body, and the bolts at the flange connection to be subjected to shear stress. Under the action of shear stress and friction, the bolts are broken, the hanger bearing device is broken in the screw conveyor, and the screw conveyor is damaged. SUMMARY

[0004] The technical problem to be solved by the utility model is that in the prior art, the bushings or hanger shafts in the hanger bearing device are worn out due to long-time friction, which causes the two shafts of the screw conveyor and the hanger bearing device not to be on the same axis, and the hanger bearing device to be broken. Therefore, the utility model provides a hanger bearing device for screw conveyor.

[0005] To achieve the above purpose, the utility model adopts the following technical scheme: a hanger bearing device for screw conveyor, which comprises a hanger body, a joint shaft seat is fixed at the bottom end of the hanger body, screw conveyors are arranged on both sides of the hanger body, a screw conveying shaft is arranged in the screw conveyor, and the screw conveying shaft is attached to the outer wall of the joint shaft seat through a flange;

[0006] A joint inner shaft is arranged on the inner wall of the joint shaft seat, a transmission shaft is connected to the inner wall of the joint inner shaft, connecting pins are arranged on both sides of the transmission shaft and penetrate into the interior of the screw conveying shaft, metal sealing covers are arranged on both sides of the outer wall of the joint shaft seat, the metal sealing covers are sleeved with the outer walls of the transmission shaft and the connecting pins, and are attached to the outer walls of the joint shaft seat and the transmission shaft, a plug pin is arranged in the interior of the screw conveying shaft and penetrates into the interior of the connecting pin.

[0007] Preferably, the top end of the hanger body is provided with an oil injection sealing plug, the oil injection sealing plug penetrates into the inside of the hanger body, and a telescopic spring is arranged between the bottom end of the oil injection sealing plug and the hanger body, both sides of the inside of the hanger body are provided with oil injection grooves located on both sides of the oil injection sealing plug, an oil inlet is arranged between the bottom ends of the two oil injection grooves, the bottom end of the oil inlet is attached to the outer wall of the intra-articular shaft, both sides of the bottom end of the oil inlet are provided with oil distribution grooves located above both sides of the intra-articular shaft and both sides of the transmission shaft, and a plurality of flow oil channels are arranged around the outer wall of the transmission shaft.

[0008] Preferably, the top end of the hanger body is provided with a connecting flange, the inner wall of the screw conveyor is provided with a mounting flange matched with the hanger body, the side wall of the screw conveying shaft is provided with a butt joint hole matched with the connecting pin, and the surface of the connecting pin is provided with a limiting hole matched with the plug-in pin, and the plug-in pin is connected with the screw conveying shaft through threads.

[0009] Preferably, the connecting pins on both sides of the transmission shaft are distributed vertically by ninety degrees, the inner wall of the joint shaft seat is arranged as an inner spherical surface, the outer wall of the intra-articular shaft is arranged as an outer spherical surface, the surface of the joint shaft seat is provided with a bolt hole connected with the metal sealing cover, and the inner wall of the intra-articular shaft is provided with a connecting groove matched with the transmission shaft.

[0010] Preferably, the top end of the hanger body is provided with a sealing sliding groove matched with the oil injection sealing plug, and the pipe diameter of the top end of the oil injection sealing plug is smaller than the pipe diameter of the bottom end of the oil injection sealing plug, the outer wall of the oil injection sealing plug is attached to the top end of the oil injection groove, and the top end of the oil inlet is communicated with the bottom end of the oil injection groove.

[0011] Preferably, the intra-articular shaft, the transmission shaft and the metal sealing cover are sealed to form an oil reservoir, and the oil reservoir is communicated with the oil distribution groove, and a flow groove is formed between the outer wall of the flow oil channel and the inner wall of the intra-articular shaft, and the inclination angle of the flow groove is two degrees.

[0012] The technical effects and advantages of the utility model are as follows:

[0013] In the utility model, the joint shaft seat and the intra-articular shaft are matched with each other, the intra-articular shaft can be moved in multiple directions in the joint shaft seat through the spherical surface, and the transmission shaft is moved synchronously, the transmission shaft is connected and fixed with the screw conveying shaft through the connecting pin, the plug-in pin and the screw conveying shaft, when the screw conveying shaft rotates, the transmission shaft is driven to rotate through the connecting pin and the plug-in pin, the transmission shaft is adjusted in the joint shaft seat through the intra-articular shaft, the transmission shaft and the screw conveying shaft are in the same axis, the friction between the spiral blade of the outer wall of the screw conveying shaft and the inner wall of the screw conveyor is reduced, and the risk of breakage between the transmission shaft and the screw conveying shaft is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0014] The disclosure of this utility model is illustrated with reference to the accompanying drawings. It should be understood that the drawings are for illustrative purposes only and are not intended to limit the scope of protection of this utility model. In the drawings, the same reference numerals are used to refer to the same parts:

[0015] Figure 1 This is a schematic diagram of the installation structure of the hanger body and the screw conveyor of this utility model;

[0016] Figure 2 This is an exploded cross-sectional view of the spiral conveyor shaft and joint bearing of this utility model.

[0017] Figure 3 This is an exploded structural diagram of the spiral conveyor shaft and joint bearing of this utility model;

[0018] Figure 4 This is an exploded structural diagram of the joint bearing of this utility model;

[0019] Figure 5 This is a cross-sectional structural diagram of the main body of the hanger and the joint bearing of this utility model;

[0020] Figure 6 For the present utility model Figure 5 A magnified schematic diagram of the structure at point A in the diagram.

[0021] Legend: 1. Hanger body; 2. Screw conveyor; 201. Screw conveyor shaft; 3. Joint shaft seat; 301. Inner shaft of the joint; 302. Drive shaft; 303. Connecting pin; 304. Insert pin; 305. Metal sealing cover; 4. Oil injection sealing plug; 401. Telescopic spring; 402. Oil injection groove; 403. Oil inlet; 404. Oil distribution groove; 405. Flowing oil passage. Detailed Implementation

[0022] It is readily understood that, based on the technical solution of this utility model, those skilled in the art can propose various interchangeable structural methods and implementations without altering the essential spirit of this utility model. Therefore, the following detailed embodiments and accompanying drawings are merely illustrative descriptions of the technical solution of this utility model and should not be considered as the entirety of this utility model or as limitations or restrictions on the technical solution of this utility model.

[0023] Reference Figures 1-6 As shown, this utility model provides a technical solution: a hanger bearing device for a screw conveyor, including a hanger body 1, a joint bearing 3 fixed at the bottom end of the hanger body 1, a screw conveyor 2 on both sides of the hanger body 1, a screw conveyor shaft 201 inside the screw conveyor 2, and the screw conveyor shaft 201 is attached to both sides of the outer wall of the joint bearing 3 through a flange.

[0024] The inner wall of the joint shaft seat 3 is provided with a joint inner shaft 301, the inner wall of the joint inner shaft 301 is connected with a transmission shaft 302, the two sides of the transmission shaft 302 are provided with connecting pins 303, and the connecting pins 303 penetrate into the inside of the spiral conveying shaft 201, the outer wall of the joint shaft seat 3 is provided with metal sealing covers 305 on both sides, and the metal sealing covers 305 are sleeved with the outer walls of the transmission shaft 302 and the connecting pins 303, and are attached to the outer walls of the joint shaft seat 3 and the transmission shaft 302, the inside of the spiral conveying shaft 201 is provided with a plug 304, and the plug 304 penetrates the spiral conveying shaft 201 to the inside of the connecting pin 303.

[0025] Through the cooperation of the joint shaft seat 3 and the joint inner shaft 301, the joint inner shaft 301 can be moved in multiple directions inside the joint shaft seat 3 through the spherical surface, and the transmission shaft 302 is moved synchronously, the transmission shaft 302 is connected and fixed through the connecting pins 303, the plug 304 and the spiral conveying shaft 201, so that when the spiral conveying shaft 201 rotates, the transmission shaft 302 is driven to rotate through the connecting pins 303 and the plug 304, the transmission shaft 302 adjusts the axis in the joint shaft seat 3 through the joint inner shaft 301, and the transmission shaft 302 and the spiral conveying shaft 201 are located at the same axis, so that the friction between the spiral blades on the outer wall of the spiral conveying shaft 201 and the inner wall of the spiral conveyor 2 can be reduced.

[0026] Referring to Figures 1-6 In the embodiment, the top end of the hanger body 1 is provided with an oil injection sealing plug 4, the oil injection sealing plug 4 penetrates into the inside of the hanger body 1, and the bottom end of the oil injection sealing plug 4 and the hanger body 1 are provided with a telescopic spring 401, the inside of the hanger body 1 is provided with oil injection grooves 402 on both sides, and the oil injection grooves 402 are located on both sides of the oil injection sealing plug 4, the bottom ends of the two oil injection grooves 402 are provided with an oil inlet 403, and the bottom end of the oil inlet 403 is attached to the outer wall of the joint inner shaft 301, the bottom end of the oil inlet 403 is provided with oil distribution grooves 404 on both sides, and the oil distribution grooves 404 are located above the two sides of the joint inner shaft 301 and the two sides of the transmission shaft 302, the outer wall of the transmission shaft 302 is provided with a plurality of oil flow channels 405, the top end of the hanger body 1 is provided with an oil injection sealing plug 4, so that when the joint inner shaft 301 and the transmission shaft 302 produce friction due to the reduction of lubricating oil, the worker can hold the oil gun at the top end of the spiral conveyor 2, and make the oil injection end of the oil gun press the oil injection sealing plug 4, so that the oil injection sealing plug 4 is forced to press the telescopic spring 401 to shrink and move, and the sealing protection of the oil injection groove 402 is removed, so that the oil injection gun can inject oil, the lubricating oil flows into the inside of the hanger body 1 through the oil injection groove 402, and flows into the surface of the joint inner shaft 301 and the transmission shaft 302 through the oil inlet 403 and the oil distribution groove 404, so as to fill and lubricate the gap between the joint inner shaft 301, the transmission shaft 302 and the joint shaft seat 3.

[0027] Referring to Figures 1-6As shown, the top end of the hanger body 1 is provided with a connecting flange, the inner wall of the screw conveyor 2 is provided with a mounting flange matched with the hanger body 1, and the side wall of the screw conveying shaft 201 is provided with a butt joint hole matched with the connecting pin 303, and the surface of the connecting pin 303 is provided with a limiting hole matched with the plug 304, and the plug 304 is connected with the screw conveying shaft 201 through threads. By setting the top end of the hanger body 1 with a connecting flange, and setting the inner wall of the screw conveyor 2 with a mounting flange matched with the hanger body 1, the hanger body 1 is conveniently installed on the inner wall of the screw conveyor 2, and the oil injection sealing plug 4 protrudes at the top end of the screw conveyor 2. By setting the side wall of the screw conveying shaft 201 with a butt joint hole matched with the connecting pin 303, and setting the surface of the connecting pin 303 with a limiting hole matched with the plug 304, the plug 304 is connected with the screw conveying shaft 201 through threads, so that the connecting pin 303 penetrates into the screw conveying shaft 201, and the plug 304 penetrates through the connecting pin 303, thereby completing the connection and fixation between the connecting pin 303 and the screw conveying shaft 201.

[0028] Referring to Figures 1-6 As shown, the connecting pins 303 on both sides of the transmission shaft 302 are distributed vertically at ninety degrees, the inner wall of the joint shaft seat 3 is provided as an inner spherical surface, the outer wall of the joint inner shaft 301 is provided as an outer spherical surface, the surface of the joint shaft seat 3 is provided with a bolt hole connected with the metal sealing cover 305, and the inner wall of the joint inner shaft 301 is provided with a connecting groove matched with the transmission shaft 302. By vertically distributing the connecting pins 303 on both sides of the transmission shaft 302 at ninety degrees, the different direction torques and shearing forces between the transmission shaft 302 and the screw conveying shaft 201 can be effectively resisted, the risk of fracture between the transmission shaft 302 and the screw conveying shaft 201 is reduced, and the transmission precision between the transmission shaft 302 and the screw conveying shaft 201 is improved. By setting the surface of the joint shaft seat 3 with a bolt hole connected with the metal sealing cover 305, the metal sealing cover 305 is conveniently fixed on the surface of the joint shaft seat 3 through bolts, so as to seal and protect the joint inner shaft 301 and the transmission shaft 302, and avoid dust from invading the inside of the joint shaft seat 3.

[0029] Referring to Figures 1-6 As shown, the top end of the hanger body 1 is provided with a sealing sliding groove matched with the oil injection sealing plug 4, the top end of the oil injection sealing plug 4 has a smaller pipe diameter than the bottom end of the oil injection sealing plug 4, the outer wall of the oil injection sealing plug 4 is attached to the top end of the oil injection groove 402, and the top end of the oil inlet 403 is communicated with the bottom end of the oil injection groove 402. By setting the top end of the hanger body 1 with a sealing sliding groove matched with the oil injection sealing plug 4, and setting the top end of the oil injection sealing plug 4 with a smaller pipe diameter than the bottom end of the oil injection sealing plug 4, the oil injection sealing plug 4 is conveniently forced to slide, so that the oil injection sealing plug 4 slides downward in the hanger body 1 to release the sealing protection of the oil injection groove 402, the oil injection gun is conveniently used to inject oil through the oil injection port at the top end of the hanger body 1, and the lubricating oil is conveniently caused to flow into the joint shaft seat 3 through the oil injection groove 402.

[0030] Referring to Figures 1-6 As shown, the joint shaft 301, the transmission shaft 302 and the metal sealing cover 305 are sealed to form an oil tank, and the oil tank is communicated with the oil distribution groove 404, and the flow groove is formed between the outer wall of the flow oil channel 405 and the inner wall of the joint shaft 301, and the inclination angle of the flow groove is two degrees, which is convenient for the lubricating oil to flow in the oil distribution groove 404 and flow into the oil tank between the joint shaft 301 and the transmission shaft 302, so as to lubricate the joint shaft 301 and the transmission shaft 302. The transmission shaft 302 and the joint shaft 301 are lubricated, and the lubricating oil flows into the flow oil channel 405 through the oil tank, and flows into the transmission shaft 302 and the joint shaft 301 through the flow groove, so as to lubricate the transmission shaft 302 and the joint shaft 301. The transmission shaft 302 and the joint shaft 301 do not need to be disassembled to add lubricating oil, which improves the production efficiency of the screw conveyor 2.

[0031] Working principle: the user connects the connecting flange at the top end of the hanger body 1 with the mounting flange on the inner wall of the screw conveyor 2, and installs and fixes the hanger body 1 in the screw conveyor 2, and sleeves the joint shaft 301 and the transmission shaft 302, and installs the joint shaft 301 in the joint shaft seat 3, and finally fixes the metal sealing cover 305 on the outer wall of the joint shaft seat 3 through bolts, so that the metal sealing cover 305 sleeves the joint shaft 301 and the transmission shaft 302. The two screw conveyors 2 are close to each other, the joint shaft seat 3 is close to the screw conveying shaft 201 on both sides, the transmission shaft 302 is close to the screw conveying shaft 201 to drive the connecting pin 303 to penetrate into the screw conveying shaft 201, and the pin 304 is moved through the screw conveying shaft 201 to the connecting pin 303 inside. The transmission shaft 302 and the screw conveying shaft 201 can be connected and fixed, at this time the screw conveying shaft 201 rotates to drive the transmission shaft 302 to rotate through the connecting pin 303, and the transmission shaft 302 adjusts the shaft center in the joint shaft seat 3 through the joint shaft 301, so that the transmission shaft 302 and the screw conveying shaft 201 are at the same shaft center, which can reduce the friction between the screw blade on the outer wall of the screw conveying shaft 201 and the inner wall of the screw conveyor 2.

[0032] The user moves the oil injection gun to the top end of the screw conveyor 2, and abuts with the top end of the hanger body 1, so that the oil injection gun oil conveying end extrudes the oil injection sealing plug 4 at the top end of the hanger body 1, the oil injection sealing plug 4 is forced to extrude the retractable spring 401 to shrink, the oil injection sealing plug 4 is forced to slide downward to release the sealing protection of the two oil injection grooves 402, the oil injection gun oil conveying end is convenient for injecting lubricating oil into the oil injection groove 402 and flowing into the oil inlet 403, at the same time, the lubricating oil in the oil inlet 403 flows downward and flows into the joint shaft seat 3 and the joint inner shaft 301, lubricates the joint shaft seat 3 and the joint inner shaft 301, part of the lubricating oil flows to the transmission shaft 302 and the joint inner shaft 301 through the oil distribution groove 404 on both sides of the oil inlet 403, so that the lubricating oil flows into the flowing oil channel 405, and flows into the transmission shaft 302 and the joint inner shaft 301 through the inclined flowing groove in the flowing oil channel 405, so that the transmission shaft 302 and the joint inner shaft 301 can be lubricated, so that the staff can add lubricating oil in the joint shaft seat 3 during the working process of the screw conveyor 2, without disassembling the transmission shaft 302 and the joint inner shaft 301 to add lubricating oil, the production efficiency of the screw conveyor 2 is improved, and finally after completing the addition of the lubricating oil, the staff removes the oil injection gun from the top end of the hanger body 1 and the top end of the screw conveyor 2, so that the oil injection gun releases the extrusion of the oil injection sealing plug 4, so that the oil injection sealing plug 4 is removed from the inside of the hanger body 1 under the pushing of the retractable spring 401, so that the oil injection sealing plug 4 can seal and abut the two oil injection grooves 402, and the sealing protection of the oil injection groove 402 is completed.

[0033] The technical scope of the utility model is not only limited to the content in the above description, and the person skilled in the art can deform and modify the above embodiment on the premise of not departing from the technical thought of the utility model, and these deformations and modifications should all belong to the protection scope of the utility model.

Claims

1. A hanger bearing arrangement for a screw conveyor, characterized in that Including the hanger body (1), the bottom end of the hanger body (1) is fixed with the joint shaft seat (3), both sides of the hanger body (1) are provided with the screw conveyor (2), the inside of the screw conveyor (2) is provided with the screw conveying shaft (201), and the screw conveying shaft (201) is attached to both sides of the outer wall of the joint shaft seat (3) through the flange; The inner wall of the joint shaft seat (3) is provided with the joint inner shaft (301), the inner wall of the joint inner shaft (301) is connected with the transmission shaft (302), both sides of the transmission shaft (302) are provided with the connecting pin (303), and the connecting pin (303) penetrates into the inside of the screw conveying shaft (201), both sides of the outer wall of the joint shaft seat (3) are provided with the metal sealing cover (305), the metal sealing cover (305) is sleeved with the outer wall of the transmission shaft (302) and the connecting pin (303), and is attached with the outer wall of the joint shaft seat (3) and the transmission shaft (302), the inside of the screw conveying shaft (201) is provided with the plug (304), and the plug (304) penetrates into the inside of the connecting pin (303) through the screw conveying shaft (201).

2. The hanger bearing arrangement for a screw conveyor according to claim 1, characterized in that: The top end of the hanger body (1) is provided with the oil injection sealing plug (4), the oil injection sealing plug (4) penetrates into the inside of the hanger body (1), and the bottom end of the oil injection sealing plug (4) and the hanger body (1) are provided with the expansion spring (401), both sides of the inside of the hanger body (1) are provided with the oil injection groove (402), and are located on both sides of the oil injection sealing plug (4), the bottom end between the two oil injection grooves (402) is provided with the oil inlet (403), and the bottom end of the oil inlet (403) is attached with the outer wall of the joint inner shaft (301), both sides of the bottom end of the oil inlet (403) are provided with the oil distribution groove (404), and the oil distribution groove (404) is located above both sides of the joint inner shaft (301) and both sides of the transmission shaft (302), a plurality of oil flow channels (405) are arranged on the outer wall of the transmission shaft (302).

3. The hanger bearing assembly for a screw conveyor as set forth in claim 1, wherein: The top end of the hanger body (1) is provided with the connecting flange, the inner wall of the screw conveyor (2) is provided with the mounting flange matched with the hanger body (1), the side wall of the screw conveying shaft (201) is provided with the butt joint hole matched with the connecting pin (303), and the surface of the connecting pin (303) is provided with the limiting hole matched with the plug (304), and the plug (304) is connected with the screw conveying shaft (201) through threads.

4. The hanger bearing assembly for a screw conveyor as set forth in claim 1, wherein: The connecting pins (303) on both sides of the transmission shaft (302) are distributed vertically by ninety degrees, the inner wall of the joint shaft seat (3) is provided as an inner spherical surface, the outer wall of the joint inner shaft (301) is provided as an outer spherical surface, the surface of the joint shaft seat (3) is provided with the bolt hole connected with the metal sealing cover (305), and the inner wall of the joint inner shaft (301) is provided with the connecting groove matched with the transmission shaft (302).

5. The hanger bearing assembly of claim 2, wherein: The top end of the hanger body (1) is provided with a sealing sliding groove matched with an oil injection sealing plug (4), and the top end pipe diameter of the oil injection sealing plug (4) is smaller than the bottom end pipe diameter of the oil injection sealing plug (4), the outer wall of the oil injection sealing plug (4) is attached to the top end of an oil injection groove (402), and the top end of an oil inlet (403) is communicated with the bottom end of the oil injection groove (402).

6. The hanger bearing assembly of claim 2, wherein: The inner joint shaft (301), the transmission shaft (302) and the metal sealing cover (305) are sealed to form an oil reservoir, and the oil reservoir is communicated with an oil distribution groove (404), a flow groove is formed between the outer wall of the flow oil channel (405) and the inner wall of the inner joint shaft (301), and the inclination angle of the flow groove is two degrees.

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