CN203335762U

CN203335762U - Triangle belt transmission device for increasing friction force of driving belt wheel

Info

Publication number: CN203335762U
Application number: CN2013201818422U
Authority: CN
Inventors: 齐玉民
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-03-30
Filing date: 2013-03-30
Publication date: 2013-12-11
Anticipated expiration: 2023-03-30

Abstract

The utility model belongs to the technical field of belt drive, and discloses a triangle belt transmission device for increasing the friction force of a driving belt wheel. Riding wheel frames are arranged on the two sides of the middle portion and the two sides of the front portion of the rack base of the device, riding wheels are arranged on the upper portions of the riding wheel frames, and rollers are arranged above the riding wheels. A belt groove ring is fixedly connected on the middle portions of the outer circles of the rollers, and the lower ends of two bearing seats are fixedly connected to the positions close to the rear portion of the rack base respectively. A belt wheel shaft is fixedly connected to the center of the driving belt wheel, the two ends of the belt wheel shaft are arranged in inner bearing holes, bearings are arranged in the round nests of the bearing seats, the belt groove ring and the groove of the driving belt wheel are sleeved with a triangle belt, a tightening frame is arranged on the rear portion of the middle of the rack base, a tightening screw rod is arranged on the upper portion of the tightening frame, a tensioning wheel is arranged on the front portion of the tightening screw rod, the front portion and the lower portion of the tensioning wheel abut against the outer portion of the triangle belt, the wrap angle of the triangle belt wound on the driving belt wheel is made to be 180 degrees, the friction force of the driving belt wheel and the triangle belt is made to be increased, and the torque of the driving belt wheel driving a driven belt wheel is increased.

Description

Increase the Belt Drive device of drive pulley frictional force

One, technical field: the Belt Drive device that increases drive pulley frictional force is the reduction gearing mechanism belonged in the belt transmission technical field.

Two, background technique: known, at present in pulley transmission mechanism, for realizing the demand of slowing down, it is limiting value that the driven pulley diameter is greater than the numerical value that the drive pulley diameter is 5 times, when surpassing 5 multiple value, in the situation that it is larger to be rotated moment, belt produces slip on the periphery of drive pulley, its reason is that the looping angle of belt on the drive pulley periphery is little when certain limiting value, be, the surface of drive pulley and the frictional force of belt are little when the certain value, so slided at the abutted surface place of belt in the surface of drive pulley, in order to solve this problem, current in driving mechanism, employing be gear drive, in gear drive, the driven gear diameter can be greater than the numerical value of driving gear diameter more than 10 times, all can carry out transmission, shortcoming in gear transmission: the one, loud, the 2nd, cost is high, and the 3rd, equipment is operation out of doors, and wind sand enters in teeth and produces wearing and tearing, causes driving gear to damage early, for example: the patent No.: ZL201020642434.9, title: what drum rotating current separator adopted is the tooth engagement transmission mechanism, owing to being operation out of doors, the wind-engaging sand blast enters the meshing zone of tooth and is ground, and shortened the working life of driving gear greatly, current pebble mill in the mining machinery technical field, stirrer all adopts gear drive, all is subject to the impact of the earlier period damage of driving gear.

Three, summary of the invention: for solving the problem in background technique, this device purpose is to provide a kind of Belt Drive device that increases drive pulley frictional force, this installs technical problem to be solved: frame seat is the rectangle plane platform frame, and the upper plane of platform frame is provided with plane steel plate; Be respectively equipped with paired roller frame on one's feet above frame seat front portion and both sides, middle part, install supporting-roller shaft in circular hole above roller frame, the mid-length place device of supporting-roller shaft is in the center hole of support roller, cylinder is seated in the top of support roller, belt groove circle is set on the intermediate portion of cylinder cylindrical, and belt groove circle is cemented in the place, intermediate portion of cylinder cylindrical; Bearing support is the long strip steel plate body, establishes a circular nest on the top of long strip steel plate body, at circular Wo center, establishes a through hole; Two bearing support lower ends are cemented in respectively near middle place, the both sides frame seat rear portion, the center hole of drive pulley be set on Pulley shaft length in the middle of place carry out fixed, two ends with Pulley shaft are cemented in the center hole of bearing respectively, bearing is put into respectively in the round nest of bearing support, and v belt is enclosed within on the groove of belt groove circle and drive pulley; Tightening frame is the bar steel plate body, tightens the vicinity, top of frame, is provided with a round tube hole, tightens frame and is arranged on middle place, both sides, frame seat rear portion; Tighten in the round tube hole of frame top setting, install and tighten screw rod; Tighten nut and be screwed into the front portion that tightens screw rod, standby jack panel is screwed into the rear portion that tightens screw rod; Tension wheel shaft pierces in the center hole of Idle wheel, and Idle wheel can be rotated at the mid-length place of tension wheel shaft; The two ends of tension wheel shaft are put into respectively in tightening the anterior circular hole arranged of screw rod; The front bottom periphery of Idle wheel withstands on the outside of v belt; Tighten nut with rotation and regulate the extended length that tightens screw rod, thereby make Idle wheel be compressed v belt, the rotation that tightens nut is the tightness of adjusting triangle belt, the looping angle that v belt is curled at drive pulley is 180 °, so tighten standby jack panel, make to tighten screw rod and be cemented in the top that tightens frame.

The looping angle curled at drive pulley due to the v belt of this device is 180 °, the frictional force of v belt and drive pulley increases, when drive pulley rotates, can pull the driven pulley of the driven pulley diameter that is greater than 10 to 20 times of drive pulley diameters to be rotated; And increase pulls the running torque of driven pulley.

The technological scheme that this device adopts: the Belt Drive device that increases drive pulley frictional force, be with frame seat, roller frame, supporting-roller shaft, support roller, cylinder, belt groove circle, bearing support, Pulley shaft, drive pulley, tension wheel shaft, v belt, Idle wheel, tighten screw rod, tighten nut, standby jack panel, tighten frame and bearing is formed, it is characterized in that: frame seat is the rectangle plane platform frame, and the upper plane of platform frame is provided with plane steel plate; Roller frame is the long strip steel plate, in vicinity, long strip steel plate top, establishes a round tube hole; Supporting-roller shaft is the cylindrical steel body; Support roller is circular wheel; Cylinder is round steel pipe; Belt groove circle is circular steel ring, is provided with the v belt groove on the outer surface of circular steel ring; Bearing support is the long strip steel plate body, establishes a circular nest on the top of long strip steel plate body, at circular Wo center, establishes a through hole; Pulley shaft and tension wheel shaft are all cylindrical steel bodies; Drive pulley is that the belt pulley cylindrical is established fluted belt pulley; Idle wheel is cylindrical wheel, at the center of cylindrical wheel, establishes a through hole; Tightening screw rod is cylindrical screw rod, in cylindrical screw rod front portion, establishes a circular hole; Tightening frame is long strip steel body, on the top of long strip steel body, establishes a circular hole; The structure of this device: be respectively equipped with paired roller frame on one's feet above frame seat front portion and both sides, middle part, in the circular hole above roller frame, install supporting-roller shaft, the mid-length place of supporting-roller shaft puts in the center hole of support roller, and cylinder is seated in the top of support roller; Belt groove circle is set on the intermediate portion of cylinder cylindrical, and belt groove circle is cemented on the intermediate portion of cylinder cylindrical; Two bearing support lower ends are cemented in respectively near middle place, the both sides frame seat rear portion; The center hole of drive pulley be set on Pulley shaft length in the middle of place carry out fixed, two ends with Pulley shaft are cemented in the center hole of bearing respectively, bearing is put into respectively in the round nest of bearing support, and v belt is enclosed within on the groove of belt groove circle and drive pulley; Tighten frame and be arranged on middle place, both sides, frame seat rear portion; Tighten in the round tube hole of frame top setting, install and tighten screw rod; Tighten nut and be screwed into the front portion that tightens screw rod, standby jack panel is screwed into the rear portion that tightens screw rod; Tension wheel shaft pierces in the center hole of Idle wheel, and Idle wheel can be rotated at the mid-length place of tension wheel shaft; The two ends of tension wheel shaft are put into respectively in tightening the anterior circular hole arranged of screw rod; The front bottom periphery of Idle wheel withstands on the outside of v belt; Tighten nut with rotation and regulate the extended length that tightens screw rod, make Idle wheel be compressed v belt, so make v belt curl looping angle at drive pulley, be 180 ° and tighten standby jack panel, make to tighten screw rod and be cemented in the top that tightens frame.

This device beneficial effect is: the looping angle curled at drive pulley due to the v belt of this device is 180 °, the frictional force of v belt and drive pulley increases, when drive pulley rotates, can pull the driven pulley of the driven pulley diameter that is greater than 10 to 20 times of drive pulley diameters to be rotated, and increase the running torque that pulls driven pulley; This device has the area of wind sand can carry out long-term operation out of doors, does not affect the working life of belt, according to gear drive, saves greatly cost investment and maintenance expenses.

Four, accompanying drawing explanation:

Fig. 1 is the main apparent structure schematic diagram that increases the Belt Drive device of drive pulley frictional force.

Fig. 2 is that the right side of Fig. 1 is looked and the broken section schematic diagram of structure.

Fig. 3 is the schematic diagram of structure of overlooking of Fig. 1.

Fig. 4 is the A of Fig. 1---A looks up the profile construction schematic diagram.

Fig. 5 is the B of Fig. 1---B overlooks the profile construction schematic diagram.

Five, embodiment: the following Fig. 1 to Fig. 5 of consulting is elaborated, in Fig. 1 to Fig. 5, increase the Belt Drive device of drive pulley frictional force, with frame seat 1, roller frame 2, supporting-roller shaft 3, support roller 4, cylinder 5, belt groove circle 6, bearing support 7, Pulley shaft 8, drive pulley 9, tension wheel shaft 10, v belt 11, Idle wheel 12, tighten screw rod 13, tighten nut 14, standby jack panel 15, tighten frame 16 and bearing 17 forms, it is characterized in that: frame seat 1 is the rectangle plane platform frame, the upper plane of platform frame is provided with plane steel plate, roller frame 2 is long strip steel plates, in vicinity, long strip steel plate top, establishes a round tube hole, supporting-roller shaft 3 is cylindrical steel bodies, support roller 4 is circular wheel, cylinder 5 is round steel pipes, belt groove circle 6 is circular steel rings, is provided with the v belt groove on the outer surface of circular steel ring, bearing support 7 is long strip steel plate bodies, establishes a circular nest on the top of long strip steel plate body, at circular Wo center, establishes a through hole, Pulley shaft 8 and tension wheel shaft 10 are all cylindrical steel bodies, drive pulley 9 is that the belt pulley cylindrical is established fluted belt pulley, Idle wheel 12 is cylindrical wheels, at the center of cylindrical wheel, establishes a through hole, tightening screw rod 13 is cylindrical screw rods, in cylindrical screw rod front portion, establishes a circular hole, tightening frame 16 is long strip steel bodies, on the top of long strip steel body, establishes a circular hole, the structure of this device: above frame seat 1 front portion and both sides, middle part, be respectively equipped with paired roller frame 2 on one's feet, install supporting-roller shaft 3 in circular hole above roller frame 2, the mid-length place of supporting-roller shaft 3 puts in the center hole of support roller 4, and cylinder 5 is seated in the top of support roller 4, belt groove circle 6 is set on the intermediate portion of cylinder 5 cylindricals, and belt groove circle 6 is cemented on the intermediate portion of cylinder 5 cylindricals, two bearing support 7 lower ends are cemented in respectively near middle place, both sides frame seat 1 rear portion, the center hole of drive pulley 9 be set on Pulley shaft 8 length in the middle of place carry out fixed, two ends with Pulley shaft 8 are cemented in the center hole of bearing 17 respectively, bearing 17 is put into respectively in the round nest of bearing support 7, and v belt 11 is enclosed within on the groove of belt groove circle 6 and drive pulley 9, tighten frame 16 and be arranged on middle place, both sides, frame seat 1 rear portion, tighten in the circular hole of frame 16 tops settings, install and tighten screw rod 13, tighten nut 14 and be screwed into the front portion that tightens screw rod 13, standby jack panel 15 is screwed into the rear portion that tightens screw rod 13, tension wheel shaft 10 pierces in the center hole of Idle wheel 12, and Idle wheel 12 can be rotated at the mid-length place of tension wheel shaft 10, the two ends of tension wheel shaft 10 are put into respectively in tightening the anterior circular hole arranged of screw rod 13, the front bottom periphery of Idle wheel 12 withstands on the outside of v belt 11, tighten nut 14 with rotation and regulate the extended length that tightens screw rod 13, make Idle wheel 12 be compressed v belt 11, the looping angle that v belt 11 is curled at drive pulley 9 is 180 °, so tighten standby jack panel 15, makes to tighten screw rod 13 and is cemented in the top that tightens frame 16.

Claims

1. increase the Belt Drive device of drive pulley frictional force, with frame seat (1), roller frame (2), supporting-roller shaft (3), support roller (4), cylinder (5), belt groove circle (6), bearing support (7), Pulley shaft (8), drive pulley (9), tension wheel shaft (10), v belt (11), Idle wheel (12), tighten screw rod (13), tighten nut (14), standby jack panel (15), tighten frame (16) and bearing (17) forms, it is characterized in that: frame seat (1) is the rectangle plane platform frame, the upper plane of platform frame is provided with plane steel plate, roller frame (2) is the long strip steel plate, in vicinity, long strip steel plate top, establishes a round tube hole, supporting-roller shaft (3) is the cylindrical steel body, support roller (4) is circular wheel, cylinder (5) is round steel pipe, belt groove circle (6) is circular steel ring, is provided with the v belt groove on the outer surface of circular steel ring, bearing support (7) is the long strip steel plate body, establishes a circular nest on the top of long strip steel plate body, at circular Wo center, establishes a through hole, Pulley shaft (8) and tension wheel shaft (10) are all cylindrical steel bodies, drive pulley (9) is that the belt pulley cylindrical is established fluted belt pulley, Idle wheel (12) is cylindrical wheel, at the center of cylindrical wheel, establishes a through hole, tightening screw rod (13) is cylindrical screw rod, in cylindrical screw rod front portion, establishes a circular hole, tightening frame (16) is long strip steel body, on the top of long strip steel body, establishes a circular hole, the structure of this device: be respectively equipped with paired roller frame (2) on one's feet above frame seat (1) front portion and both sides, middle part, install supporting-roller shaft (3) in circular hole above roller frame (2), the mid-length place of supporting-roller shaft (3) puts in the center hole of support roller (4), and cylinder (5) is seated in the top of support roller (4), belt groove circle (6) is set on the intermediate portion of cylinder (5) cylindrical, and belt groove circle (6) is cemented on the intermediate portion of cylinder (5) cylindrical, two bearing supports (7) lower end is cemented in respectively near middle place, both sides frame seat (1) rear portion, the center hole of drive pulley (9) be set on Pulley shaft (8) length in the middle of place carry out fixed, two ends with Pulley shaft (8) are cemented in the center hole of bearing (17) respectively, bearing (17) is put into respectively in the round nest of bearing support (7), and v belt (11) is enclosed within on the groove of belt groove circle (6) and drive pulley (9), tighten frame (16) and be arranged on middle place, both sides, frame seat (1) rear portion, tighten in the circular hole of frame (16) top setting, install and tighten screw rod (13), tighten nut (14) and be screwed into the front portion that tightens screw rod (13), standby jack panel (15) is screwed into the rear portion that tightens screw rod (13), tension wheel shaft (10) pierces in the center hole of Idle wheel (12), and Idle wheel (12) can be rotated at the mid-length place of tension wheel shaft (10), the two ends of tension wheel shaft (10) are put into respectively in tightening the anterior circular hole arranged of screw rod (13), the front bottom periphery of Idle wheel (12) withstands on the outside of v belt (11), tighten nut (14) with rotation and regulate the extended length that tightens screw rod (13), make Idle wheel (12) be compressed v belt (11), the looping angle that v belt (11) is curled at drive pulley (9) is 180 °, so tighten standby jack panel (15), make to tighten screw rod (13) and be cemented in the top that tightens frame (16).