CN212049126U

CN212049126U - Controllable friction aligning carrier roller

Info

Publication number: CN212049126U
Application number: CN202020697987.8U
Authority: CN
Inventors: 李大庆
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-29
Filing date: 2020-04-29
Publication date: 2020-12-01
Anticipated expiration: 2030-04-29

Abstract

The utility model relates to a belt conveyor technical field discloses a controllable friction aligning bearing roller, including last aligning bearing roller and lower aligning bearing roller, upper and lower aligning bearing roller all includes takes friction pulley roller, roller support, rotary device, crossbeam and damping adjustment mechanism, takes the friction pulley roller to install on roller support, rotates through rotary device between roller support's center department and the crossbeam to be connected, and damping adjustment mechanism upper end rolling contact withstands the friction pulley of taking the friction pulley roller on, and the adjustable setting of damping adjustment mechanism lower extreme is on rather than matched with roller support. The utility model has the advantages that: 1. the magnitude of the deviation rectifying force can be quickly and conveniently adjusted. 2. Reasonable structure, high strength, reasonable combination rolling bearing supporting structure of the revolving shaft and good sealing performance. 3. Stable and flexible rotation, no unsmooth rotation and blockage phenomenon 4, good deviation adjusting effect and long service life.

Description

Controllable friction aligning carrier roller

Technical Field

The utility model relates to a belt conveyor technical field especially relates to a controllable friction aligning bearing roller.

Background

The aligning carrier roller is a main component used for aligning the deviation of the rubber belt on the belt conveyor; the belt conveyor has the problems of installation and manufacturing quality and untimely belt deviation due to untimely daily maintenance, and the material scattering is serious when the belt deviation is serious, so that the belt conveyor not only pollutes the environment and increases the labor intensity of workers, but also directly influences the normal operation of the belt conveyor. Therefore, a centering idler needs to be arranged to adjust the deviation of the rubber belt. By combining TD75, DX and DT II model selection handbooks, it can be seen that the current aligning carrier roller which is commonly used mainly comprises a baffle roller type aligning carrier roller, a conical aligning carrier roller and a friction aligning carrier roller. The baffle roller type aligning carrier roller (mainly according to a TD75 model selection manual) has the defects of unsmooth rotation and blockage in actual use due to the fact that a rotating shaft of the baffle roller type aligning carrier roller directly rubs with a shaft seat without a good sealing device, and the baffle rollers on the other two sides are seriously worn on the edge of a rubber belt when the rubber belt deviates, so that the rubber belt is easy to open, the baffle rollers are easy to damage, and the baffle roller type aligning carrier roller is only suitable for a belt conveyor running in a single direction. The carrier roller supports on two sides of the conical aligning carrier roller (mainly according to DT II type selection manual) are of a split structure, the strength of the rotating shafts is weak, the synchronism of a connecting rod mechanism for connecting the two rotating shafts is not good enough, and the service life and the reliability of the conical aligning carrier roller are difficult to guarantee in actual use. Friction aligning bearing roller (mainly according to DT II lectotype manual), because its revolving shaft is direct and axle bed friction does not have good sealing device again, have not smooth and the card phenomenon of dying of rotation when in actual use, in addition, the frictional force of friction disk is adjusted through the spring, because of the existence of multiple errors such as manufacturing, installation, the result of use of friction disk is not ideal, and the tension of each sticky tape, the weight of material etc. are all different during actual use almost, cause the frictional force of friction disk also not the same, so hardly be applicable to different operating modes.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects, the utility model provides a controllable friction aligning bearing roller.

In order to realize the purpose, the technical scheme of the utility model is that: a controllable friction aligning carrier roller comprises an upper aligning carrier roller and a lower aligning carrier roller, wherein the upper aligning carrier roller is arranged on a bearing section of a belt conveyor belt, and the lower aligning carrier roller is arranged on a return section of the belt conveyor belt; the upper and lower centering carrier rollers respectively comprise a roller with a friction wheel, a roller support, a rotating device, a cross beam and a damping adjusting mechanism, the roller with the friction wheel is arranged on the roller support, the center of the roller support is rotatably connected with the cross beam through the rotating device, the upper end of the damping adjusting mechanism is in rolling contact with the friction wheel of the roller with the friction wheel, and the lower end of the damping adjusting mechanism is adjustably arranged on the roller support matched with the damping adjusting mechanism.

Preferably, the roller with the friction wheel comprises a roller shaft, and the friction wheel and the roller which can independently and freely rotate on the roller shaft, wherein the friction wheel is in a curve trumpet shape, the outer diameter of the small end of the friction wheel is smaller than or equal to that of the roller, and the small end of the friction wheel faces the roller; the friction wheel comprises a wheel body, a large-end sealing disc and a small-end sealing disc, the wheel body is rotatably connected with the roller shaft through a rolling bearing, the large-end sealing disc and the small-end sealing disc are fixedly connected with the corresponding large-end face or the small-end face of the wheel body through screws respectively, and the outer diameter of the small-end sealing disc is the same as that of the small end of the friction wheel and is concentric with the small end of the friction wheel.

Preferably, the damping adjusting mechanism comprises an adjusting bolt and a supporting rod with a rectangular cross section, the top end of the supporting rod is fixedly connected with a U-shaped fork plate, a fixed shaft is arranged in the middle of the U-shaped fork plate, and a damping wheel is rotatably connected to the fixed shaft; the roller support is fixedly provided with a rectangular tube, the inner cavity of the rectangular tube is in sliding fit with the support rod, a round hole penetrating through a main beam of the roller support is formed in the center of the bottom of the rectangular tube, and a threaded hole connecting piece is fixedly arranged at the concentric position of the round hole in the bottom of the main beam of the roller support; the support rod is inserted into the rectangular pipe hole groove, the adjusting bolt is in threaded connection with the threaded hole connecting piece, and the bolt body of the adjusting bolt passes through the round hole and the end face of the adjusting bolt props against the bottom of the support rod; and simultaneously, the outer circle surface of the damping wheel is abutted against the outer circle surface of the small-end sealing disc of the friction wheel.

Preferably, a rectangular rigid adjusting block and an elastic buffer block are sequentially arranged between the end face of the adjusting bolt body in the rectangular pipe of the roller support and the bottom of the support rod from bottom to top.

Preferably, a stopping nut is screwed on the bolt body between the bolt head of the adjusting bolt and the threaded hole connecting piece.

Preferably, the rotating device comprises a rotating shaft and a shaft seat, and an inward convex annular step is arranged at the middle upper part in a shaft hole of the shaft seat; the rotary shaft is inserted into the shaft hole, the top end of the rotary shaft is fixedly connected with an installation disc, a sealing element is sleeved between the inner diameter of the installation disc and the outer diameter surface of the upper part of the shaft seat, the rotary shaft is fixedly connected with the central part of the roller support through the installation disc, and the shaft seat is fixedly connected with the cross beam through a bolt; the part of the rotating shaft below the annular step surface is connected with the shaft hole through a double deep groove ball bearing, and the two deep groove ball bearings can ensure the verticality of the rotating shaft; and a thrust ball bearing is arranged on the rotating shaft between the lower end surface of the mounting disc and the upper end surface of the annular step.

The utility model discloses a theory of operation does: the damping wheel on the damping adjusting mechanism is adjusted to abut against the tightness of the sealing disc at the small end of the friction wheel to realize the adjustment of the rotation resistance of the friction wheel, so that the rotation resistance of the friction wheel is greater than that of the roller, when the rubber belt deviates, the rubber belt on one side of the deviation starts to be in contact with the outer surface of the friction wheel, the more the rubber belt deviates, the more the rubber belt is in contact with the outer surface of the friction wheel, meanwhile, the rubber belt on the other side is only in contact with the roller part with the friction wheel roller, so that the friction force between the rubber belt on one side of the deviation and the friction wheel is greater than that on the other side of the deviation, the roller support is driven to rotate around the center of the rotating shaft to the running direction of the rubber belt after the difference value of the friction forces.

The utility model has the advantages that: 1. the magnitude of the deviation rectifying force can be quickly and conveniently adjusted. 2. Reasonable structure, high strength, reasonable supporting structure of the rotary shaft and good sealing performance. 3. Stable and flexible rotation, no unsmooth rotation and blockage phenomenon 4, good deviation adjusting effect and long service life.

Drawings

Fig. 1 is the structure schematic diagram of the controllable friction aligning idler of the present invention.

Fig. 2 is a partially enlarged view of a portion a of fig. 1.

Fig. 3 is a partially enlarged view of fig. 1 at B.

Reference numerals: the device comprises a roller support 1, a cross beam 2, a rotating device 3, a friction wheel 4, a roller 5, a damping adjusting mechanism 6, a small-end sealing disc 7, an adjusting bolt 8, a supporting rod 9, a U-shaped fork plate 10, a damping wheel 11, a rectangular pipe 12, a threaded hole connecting piece 13, a rigid adjusting block 14, an elastic buffer block 15, a retaining nut 16, a rotating shaft 17, a shaft seat 18, an annular step 19, a mounting disc 20, a deep groove ball bearing 21 and a thrust ball bearing 22.

Detailed Description

The present invention will be further described with reference to the following specific embodiments.

Example 1

A controllable friction aligning carrier roller as shown in fig. 1-3, includes an upper aligning carrier roller and a lower aligning carrier roller, the upper aligning carrier roller is disposed on a carrying section of a belt conveyor belt, and the lower aligning carrier roller is disposed on a return section of the belt conveyor belt; the upper and lower centering carrier rollers respectively comprise a roller with a friction wheel, a roller support 1, a rotating device 3, a cross beam and a damping adjusting mechanism 6, the roller with the friction wheel is arranged on the roller support 1, the center of the roller support 1 and the cross beam are rotatably connected through the rotating device, the upper end of the damping adjusting mechanism 6 is in rolling contact with and props against the friction wheel 4 with the roller with the friction wheel, and a rectangular support rod 9 at the lower end of the damping adjusting mechanism 6 is inserted into a rectangular hole groove on the roller support 1 matched with the rectangular support rod.

Specifically, the roller with the friction wheel comprises a roller 5 shaft, and a friction wheel 4 and a roller 5 which can independently and freely rotate on the roller 5 shaft, wherein the friction wheel 4 is in a curve trumpet shape, the outer diameter of the small end of the friction wheel 4 is smaller than or equal to that of the roller 5, and the small end faces the roller 5; the friction wheel 4 comprises a wheel body, a large-end sealing disc and a small-end sealing disc 7, the wheel body is rotationally connected with the roller 5 shaft through a rolling bearing, the large-end sealing disc 7 and the small-end sealing disc 7 are fixedly connected with the corresponding large-end face or the small-end face of the wheel body through screws respectively, and the outer diameter of the small-end sealing disc 7 is the same as that of the small end of the friction wheel 4 and is concentric with the small-end outer diameter of the friction wheel.

Specifically, the damping adjusting mechanism 6 comprises an adjusting bolt 8 and a supporting rod 9 with a rectangular cross section, the top end of the supporting rod 9 is fixedly connected with a U-shaped fork plate 10, a fixed shaft is arranged in the middle of the U-shaped fork plate 10, and a damping wheel 11 is rotatably connected onto the fixed shaft; a rectangular tube 12 with an inner cavity matched with the support rod 9 in a sliding manner is fixed on the roller support 1, a round hole penetrating through a main beam of the roller support 1 is formed in the center of the bottom of the rectangular tube 12, and a threaded hole connecting piece 13 is fixedly arranged at the concentric position of the round hole in the bottom of the main beam of the roller support 1; the supporting rod 9 is inserted into a hole groove of the rectangular tube 12, the adjusting bolt 8 is in threaded connection with a threaded hole connecting piece 13, and the bolt body of the adjusting bolt 8 passes through a round hole and the end face of the bolt body abuts against the bottom of the supporting rod 9; meanwhile, the outer circle surface of the damping wheel 11 is abutted against the outer circle surface of the small-end sealing disc 7 of the friction wheel 4.

Specifically, a rectangular rigid adjusting block 14 and an elastic buffer block 15 are sequentially arranged between the end face of the bolt body of the adjusting bolt 8 in the rectangular tube 12 of the roller bracket 1 and the bottom of the supporting rod 9 from bottom to top.

Specifically, a backstop nut 16 is screwed on the bolt body between the bolt head of the adjusting bolt 8 and the threaded hole connecting piece 13.

Specifically, the rotating device 3 comprises a rotating shaft 17 and a shaft seat 18, and an inward convex annular step 19 is arranged at the middle upper part in a shaft hole of the shaft seat 18; the rotating shaft 17 is inserted into the shaft hole, the top end of the rotating shaft 17 is fixedly connected with a mounting disc 20, a sealing element is sleeved between the inner diameter of the mounting disc 20 and the outer diameter surface of the upper part of the shaft seat 18, the rotating shaft 17 is fixedly connected with the central part of the roller support 1 through the mounting disc 20, and the shaft seat 18 is fixedly connected with a cross beam through a bolt; the part of the rotating shaft 17 below the annular step 19 is connected with the shaft hole through a double deep groove ball bearing 21, and the two deep groove ball bearings can ensure the verticality of the rotating shaft; a thrust ball bearing 22 is provided on the pivot shaft 17 between the lower end surface of the mounting plate 20 and the upper end surface of the annular step 19.

The technical scheme of the utility model is not limited to the restriction of above-mentioned specific embodiment, all according to the utility model discloses a technical scheme makes technical deformation, all falls into within the protection scope of the utility model.

Claims

1. The utility model provides a controllable friction aligning bearing roller which characterized in that: the belt conveyor belt aligning device comprises an upper aligning carrier roller and a lower aligning carrier roller, wherein the upper aligning carrier roller is arranged on a bearing section of a belt conveyor belt, and the lower aligning carrier roller is arranged on a return section of the belt conveyor belt; the upper and lower centering carrier rollers respectively comprise a roller with a friction wheel, a roller support, a rotating device, a cross beam and a damping adjusting mechanism, the roller with the friction wheel is arranged on the roller support, the center of the roller support is rotatably connected with the cross beam through the rotating device, the upper end of the damping adjusting mechanism is in rolling contact with the friction wheel of the roller with the friction wheel, and the lower end of the damping adjusting mechanism is adjustably arranged on the roller support matched with the damping adjusting mechanism.

2. A controllable friction self-aligning idler as claimed in claim 1 in which: the roller with the friction wheel further comprises a roller and a roller shaft, and the roller and the friction wheel are assembled on the roller shaft and can independently rotate on the roller shaft; the friction wheel is in a curve trumpet shape, the outer diameter of the small end of the friction wheel is smaller than or equal to the outer diameter of the roller, and the small end faces the roller; the friction wheel comprises a wheel body, a large-end sealing disc and a small-end sealing disc, the wheel body is rotatably connected with the roller shaft through a rolling bearing, the large-end sealing disc and the small-end sealing disc are fixedly connected with the corresponding large-end face or the small-end face of the wheel body through screws respectively, and the outer diameter of the small-end sealing disc is the same as that of the small end of the friction wheel and is concentric with the small end of the friction wheel.

3. A controllable friction self-aligning idler as claimed in claim 2 in which: the damping adjusting mechanism comprises an adjusting bolt and a supporting rod with a rectangular section, the top end of the supporting rod is fixedly connected with a U-shaped fork plate, a fixed shaft is arranged in the middle of the U-shaped fork plate, and a damping wheel is rotatably connected onto the fixed shaft; the roller support is fixedly provided with a rectangular tube, the inner cavity of the rectangular tube is in sliding fit with the support rod, a round hole penetrating through a main beam of the roller support is formed in the center of the bottom of the rectangular tube, and a threaded hole connecting piece is fixedly arranged at the concentric position of the round hole in the bottom of the main beam of the roller support; the support rod is inserted into the rectangular pipe hole groove, the adjusting bolt is in threaded connection with the threaded hole connecting piece, and the bolt body of the adjusting bolt passes through the round hole and the end face of the adjusting bolt props against the bottom of the support rod; and simultaneously, the outer circle surface of the damping wheel is abutted against the outer circle surface of the small-end sealing disc of the friction wheel.

4. A controlled friction self-aligning idler as claimed in claim 3 in which: and a rectangular rigid adjusting block and an elastic buffer block are sequentially arranged between the end face of the adjusting bolt body in the roller support rectangular tube and the bottom of the supporting rod from bottom to top.

5. A controlled friction self-aligning idler as claimed in claim 4 in which: and a stopping nut is screwed on the bolt body between the bolt head of the adjusting bolt and the threaded hole connecting piece.

6. A controlled friction self-aligning idler as claimed in claim 5 in which: the rotating device comprises a rotating shaft and a shaft seat, and an inward convex annular step is arranged at the middle upper part in a shaft hole of the shaft seat; the rotary shaft is inserted into the shaft hole, the top end of the rotary shaft is fixedly connected with an installation disc, a sealing element is sleeved between the inner diameter of the installation disc and the outer diameter surface of the upper part of the shaft seat, the rotary shaft is fixedly connected with the central part of the roller support through the installation disc, and the shaft seat is fixedly connected with the cross beam through a bolt; the part of the rotating shaft below the annular step surface is connected with the shaft hole through a double deep groove ball bearing; and a thrust ball bearing is arranged on the rotating shaft between the lower end surface of the mounting disc and the upper end surface of the annular step.