CN213568049U

CN213568049U - Belt tensioning device of belt conveyor

Info

Publication number: CN213568049U
Application number: CN202022228326.3U
Authority: CN
Inventors: 袁怡琳; 余旦
Original assignee: Nanchang Mineral Systems Co Ltd
Current assignee: Nanchang Mineral Systems Group Co Ltd
Priority date: 2020-10-09
Filing date: 2020-10-09
Publication date: 2021-06-29
Anticipated expiration: 2030-10-09

Abstract

The utility model discloses a belt conveyor belt tightener, including cylinder mount pad, frame girder, pneumatic cylinder and location chucking subassembly, frame girder and the flexible setting of cylinder mount pad slidable, the pneumatic cylinder includes push rod and cylinder, and frame girder both sides all set up the pneumatic cylinder, and push rod and cylinder are fixed respectively on cylinder mount pad and frame girder, and location chucking subassembly sets up on the pneumatic cylinder. The utility model discloses a with the flexible setting of frame girder and cylinder mount pad slidable to all set up the pneumatic cylinder in frame girder both sides, make and to promote the cylinder mount pad through control pneumatic cylinder and slide on the frame girder, adjust the tensioning degree, and through the pneumatic cylinder of control unilateral, can also carry out the off tracking and correct. And set up the chucking subassembly on the pneumatic cylinder for the condition such as pressure release can not appear still being guaranteed to bear under the condition of thrust for a long time by the pneumatic cylinder.

Description

Belt tensioning device of belt conveyor

Technical Field

The utility model belongs to the technical field of solid material transport machinery, specifically be a belt conveyor belt tightener.

Background

The belt conveyor is also called as a rubber belt conveyor and is widely applied to the industries of machinery, mines, gravel aggregates, packaging, transportation and the like. After the conveyer has been used for a period of time, its belt can relax and make the cylinder cornerite increase, and then lead to the belt to skid, unable normal use. The belt is not worn to be replaced again, and a tensioning device is needed to adjust the belt to enable the belt to recover a tensioning state, so that the aim of normal use is fulfilled.

At present, the known conveyor tensioning device is a spiral tensioning device, namely, the distance between a roller and a conveyor frame is changed by manually adjusting the length of a screw rod so as to control the tensioning of a belt. The helical tensioning device can be placed at the head or at the tail of the conveyor. But this screw tensioning device requires manual adjustment. There are problems in that: when the spiral tensioning device is placed at the tail part, a large operation space needs to be reserved, and great limitation exists. When the spiral tensioning device is placed at the head of the conveyor, the head of the inclined rubber belt conveyor is higher than the ground, so that manual adjustment of the screw rod is difficult to realize, and the spiral tensioning device also has great limitation. Moreover, the manual adjustment of the screw rod requires a special tool, and the operation is inconvenient, time-consuming and labor-consuming.

SUMMERY OF THE UTILITY MODEL

The utility model provides a belt conveyor belt tightener, the utility model relates to a simply, the commonality is strong, when needs adjust conveyer tensioning degree, need not with the help of other instruments. The adjusting speed is high, the precision is accurate, and the device can be used for correcting the deviation of the conveyor.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a belt conveyor belt tightener, includes cylinder mount pad, frame girder, pneumatic cylinder and location chucking subassembly, and frame girder and the flexible setting of cylinder mount pad slidable, the pneumatic cylinder includes push rod and cylinder, and frame girder both sides all set up the pneumatic cylinder, and push rod and cylinder are fixed respectively on cylinder mount pad and frame girder, and location chucking subassembly sets up on the pneumatic cylinder.

Furthermore, the hydraulic cylinder device further comprises a first connecting plate, a second connecting plate, a first pin shaft and a second pin shaft, wherein the first connecting plate is fixed on the cylinder mounting seat, the first pin shaft is arranged in the first connecting plate, the second connecting plate is fixed on the frame main beam, the second pin shaft is arranged in the second connecting plate, and two ends of the hydraulic cylinder are respectively in rotatable connection with the cylinder mounting seat and the frame main beam through the first pin shaft and the second pin shaft.

Further, the roller mounting base comprises a back plate and a rectangular pipe, one end of the rectangular pipe is arranged in the main beam of the rack, and the back plate is connected with the other end of the rectangular pipe.

Furthermore, a bending plate is welded in the main beam of the rack, a sliding block is welded in the bending plate, and one end of the roller mounting seat is inserted into the bending plate and is located on the sliding block.

Further, the location chucking subassembly includes the gear plate, the gear plate down, the third connecting plate, the third round pin axle, the third connecting plate sets up on the push rod, the third round pin axle sets up in the third connecting plate, go up gear plate tip and third round pin axle rotatable coupling, the gear plate is fixed on the cylinder down, go up gear plate and the mutual interlock setting of gear plate down, it all is provided with a plurality ofly on gear plate and the gear plate down and shifts the location latch of the back of the body displacement unblock in the opposite directions of locking at gear plate and lower gear plate, set up the location interval between location latch and the location latch on same last gear plate or the gear plate down.

Furthermore, the upper gear plate rotates around the third pin shaft by an angle of 0-150 degrees.

Further, the positioning pitch is 5 mm.

Compared with the prior art, the utility model discloses following beneficial effect has: the utility model discloses a with the flexible setting of frame girder and cylinder mount pad slidable to all set up the pneumatic cylinder in frame girder both sides, make and to promote the cylinder mount pad through control pneumatic cylinder and slide on the frame girder, adjust the tensioning degree, and through the pneumatic cylinder of control unilateral, can also carry out the off tracking and correct. And set up the chucking subassembly on the pneumatic cylinder for the condition such as pressure release can not appear still being guaranteed to bear under the condition of thrust for a long time by the pneumatic cylinder. The utility model discloses simple structure is small and exquisite, and easy dismounting does not need specific instrument and manual operation, just can realize adjusting the tensioning and the off tracking of conveyer belt. The device has small requirement on space and high universality, can be flexibly used for the head and the tail of the conveyor, and can also be universally used for the conveyor in any occasion. Can effectively save manpower, improve working efficiency and save economic cost.

Drawings

Fig. 1 is a top view of the present invention;

FIG. 2 is a side view of the upper gear plate of the present invention in an inverted position;

FIG. 3 is a schematic view of the positioning and clamping assembly and the hydraulic cylinder;

FIG. 4 is a schematic view of the main beam structure of the rack of the present invention;

FIG. 5 is a schematic structural view of the roller mounting base of the present invention;

FIG. 6 is an enlarged view of A in FIG. 3;

fig. 7 is a schematic view of the installation of the present invention with a conveyor;

in the figure: 1. a conveyor; 2. a roller mounting seat; 21. a back plate; 22. a rectangular tube; 3. a frame main beam; 31. a slider; 32. bending the plate; 4. positioning the clamping assembly; 41. a third connecting plate; 42. a third pin shaft; 43. an upper gear plate; 44. a lower gear plate; 45. positioning latch teeth; 46. positioning the spacing; 5. a hydraulic cylinder; 51. a cylinder barrel; 52. a push rod; 6. a first connecting plate; 7. a second connecting plate; 8. a first pin shaft; 9. and a second pin shaft.

Detailed Description

Referring to fig. 1-7, a belt tensioning device of a hydraulic adjusting belt conveyor 1 comprises a roller mounting seat 2, a frame main beam 3, a hydraulic cylinder 5 and a positioning clamping assembly 4, wherein the frame main beam 3 and the roller mounting seat 2 are arranged in a sliding and telescopic manner, the hydraulic cylinder 5 comprises a push rod 52 and a cylinder barrel 51, the hydraulic cylinder 5 is arranged on two sides of the frame main beam 3, the push rod 52 and the cylinder barrel 51 are respectively fixed on the roller mounting seat 2 and the frame main beam 3, and the positioning clamping assembly 4 is arranged on the hydraulic cylinder 5. The utility model discloses a with frame girder 3 and the flexible setting of 2 slidable of cylinder mount pad to all set up pneumatic cylinder 5 in 3 both sides of frame girder, make and to promote cylinder mount pad 2 through control pneumatic cylinder 5 and slide on frame girder 3, adjust conveyer 1's belt tensioning degree, and through the pneumatic cylinder 5 of control unilateral, can also carry out the off tracking to conveyer 1's belt and correct. And set up the chucking subassembly on pneumatic cylinder 5 for pneumatic cylinder 5 still guarantees the condition such as the pressure release can not appear bearing the thrust for a long time under the condition.

Wherein, still including first connecting plate 6, second connecting plate 7, first round pin axle 8 and second round pin axle 9, first connecting plate 6 is fixed on cylinder mount pad 2, and first round pin axle 8 sets up in first connecting plate 6, and second connecting plate 7 is fixed at frame girder 3, and second round pin axle 9 sets up in second connecting

plate

7, and 5 both ends of pneumatic cylinder are respectively through first round pin axle 8 and second round pin axle 9 and cylinder mount pad 2 and frame girder 3 rotatable coupling. When the deviation correction is needed, the hydraulic cylinder 5 on one side needs to be controlled, so that the hydraulic cylinder 5 can be lengthened or shortened, and the roller mounting seat 2 can be inclined to a certain degree to achieve the correction effect. And 5 both ends of pneumatic cylinder are respectively through first round pin axle 8 and second round pin axle 9 and cylinder mount pad 2 and frame girder 3 rotatable coupling for 5 both ends of pneumatic cylinder can all rotate around first round pin axle 8 and second round pin axle 9 when adjusting, consequently when the deviation is rectified, the range of regulation can be bigger, reaches better correction effect

Wherein, cylinder mount pad 2 includes backplate 21 and rectangular pipe 22, and rectangular pipe 22 one end sets up in frame girder 3, and backplate 21 is connected with the rectangular pipe 22 other end. The back plate 21 can be used for installing rollers for tensioning, and the rectangular tube 22 can be matched with the main beam 3 of the frame in a sliding mode.

Wherein, the board 32 of bending has been welded in the frame girder 3, welds slider 31 in the board 32 of bending, and cylinder mount pad 2 one end inserts in the board 32 of bending and sits on slider 31. The friction resistance between the roller mounting seat 2 and the main beam 3 of the rack during movement can be greatly reduced through the sliding blocks 31, and the service life is prolonged.

Wherein, the positioning and clamping assembly 4 comprises an upper gear plate 43, a lower gear plate 44, a third connecting plate 41, a third pin shaft 42, the third connecting plate 41 is arranged on a push rod 52, the third pin shaft 42 is arranged in the third connecting plate 41, the end part of the upper gear plate 43 is rotatably connected with the third pin shaft 42, the lower gear plate 44 is fixed on a cylinder 51, the upper gear plate 43 and the lower gear plate 44 are mutually meshed, a plurality of positioning clamping teeth 45 which are oppositely displaced and unlocked by the upper gear plate 43 and the lower gear plate 44 are arranged on the upper gear plate 43 and the lower gear plate 44, and a positioning space 46 is arranged between the positioning clamping teeth 45 and the positioning clamping teeth 45 on the same upper gear plate 43 or the lower gear plate 44. When the hydraulic cylinder 5 pushes the roller mounting base 2, the upper gear plate 43 and the lower gear plate 44 will displace in opposite directions, and the positioning latches 45 on the upper gear plate 43 and the lower gear plate 44 rub and squeeze each other, so that the upper gear plate 43 rotates around the third pin 42, and the positioning latches 45 are unlocked. When the hydraulic cylinder 5 is kept stationary, the upper gear plate 43 will rotate around the third pin 42 and sit on the lower gear plate 44 due to gravity, and the positioning latches 45 of the upper gear plate 43 and the lower gear plate 44 are engaged with each other. When the roller mount 2 is pressed to move inward, the upper gear plate 43 and the lower gear plate 44 are pressed to move toward each other, and the positioning latch 45 is locked. The positioning distance 46 can be used as a reference standard when the tensioning degree is adjusted, so that the operation is simpler and more convenient, the adjustment precision is improved, and the situation of over-tightness or over-looseness during adjustment is reduced.

Wherein, the upper gear plate 43 rotates around the third pin shaft 42 by an angle ranging from 0 degree to 150 degrees.

Wherein the positioning pitch 46 is 5 mm. The positioning distance 46 between the positioning latch 45 and the positioning latch 45 is set to be 5mm, so that the deviation of the belt can be corrected by fine adjustment when one tooth is adjusted, namely, one circle of the screw rod is adjusted.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a belt conveyor belt tightener, characterized by: including cylinder mount pad, frame girder, pneumatic cylinder and location chucking subassembly, frame girder and the flexible setting of cylinder mount pad slidable, the pneumatic cylinder includes push rod and cylinder, and frame girder both sides all set up the pneumatic cylinder, and push rod and cylinder are fixed respectively on cylinder mount pad and frame girder, and location chucking subassembly sets up on the pneumatic cylinder.

2. The belt tensioner of claim 1, wherein: the hydraulic cylinder is characterized by further comprising a first connecting plate, a second connecting plate, a first pin shaft and a second pin shaft, wherein the first connecting plate is fixed on the cylinder mounting seat, the first pin shaft is arranged in the first connecting plate, the second connecting plate is fixed on the frame main beam, the second pin shaft is arranged in the second connecting plate, and two ends of the hydraulic cylinder are respectively in rotatable connection with the cylinder mounting seat and the frame main beam through the first pin shaft and the second pin shaft.

3. The belt tensioner of claim 1, wherein: the roller mounting seat comprises a back plate and a rectangular pipe, one end of the rectangular pipe is arranged in the main beam of the rack, and the back plate is connected with the other end of the rectangular pipe.

4. The belt tensioner of claim 1, wherein: a bending plate is welded in the main beam of the frame, a sliding block is welded in the bending plate, and one end of the roller mounting seat is inserted into the bending plate and is located on the sliding block.

5. The belt tensioner of claim 1, wherein: the positioning clamping assembly comprises an upper gear plate, a lower gear plate, a third connecting plate, a third pin shaft, the third connecting plate is arranged on the push rod, the third pin shaft is arranged in the third connecting plate, the end part of the upper gear plate is rotatably connected with the third pin shaft, the lower gear plate is fixed on the cylinder barrel, the upper gear plate and the lower gear plate are mutually meshed and arranged, a plurality of positioning clamping teeth for mutually unlocking the upper gear plate and the lower gear plate in a displacement locking mode in the opposite direction are arranged on the upper gear plate and the lower gear plate, and a positioning space is arranged between the positioning clamping teeth and the positioning clamping teeth on the same upper gear plate or the same lower gear plate.

6. The belt tensioner of claim 5, wherein: the upper gear plate rotates around the third pin shaft by an angle of 0-150 degrees.

7. The belt tensioner of claim 5, wherein: the positioning distance is 5 mm.