CN215556743U - Coaxial symmetrical roller device for deviation adjustment of belt conveyor - Google Patents
Coaxial symmetrical roller device for deviation adjustment of belt conveyor Download PDFInfo
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- CN215556743U CN215556743U CN202122123304.5U CN202122123304U CN215556743U CN 215556743 U CN215556743 U CN 215556743U CN 202122123304 U CN202122123304 U CN 202122123304U CN 215556743 U CN215556743 U CN 215556743U
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Abstract
The utility model relates to a coaxial symmetrical roller device for deviation adjustment of a belt conveyor, which is arranged below a return belt of the belt conveyor and comprises a rotary support, a long shaft, a first roller and a second roller, wherein the first roller and the second roller are arranged on the long shaft in a penetrating mode and can rotate around the long shaft, the long shaft is fixedly connected with the rotary support, the rotary support divides the long shaft into a left section and a right section, the first roller and the second roller are symmetrically arranged on the long shaft relative to the rotary support, and the first roller and the second roller are both in contact with the return belt and keep tension. The problem of rectifying of belt feeder in the transported substance material process can be solved to this application, simple structure, simple to operate, it is effectual to transfer partially, effectively prolongs the stability in use and the life of belt feeder.
Description
Technical Field
The utility model relates to the technical field of material conveying equipment, in particular to a coaxial symmetrical roller device for deviation adjustment of a belt conveyor.
Background
Belt conveyors, otherwise known as belt conveyors, are mechanical devices that rely on powered rollers to frictionally drive a belt and convey material in a continuous manner. Can be used for horizontal transportation or inclined transportation, is flexible and convenient to use, and is widely applied to various industries. Due to errors of manufacturing, transporting and installing, unbalance loading and unevenness of materials in the operation process of the belt conveyor, equipment aging, deformation of a rack and the like cause the phenomenon that a belt deflects to one side of the rack, the edge of the belt rubs against the rack, abrasion of the belt and breakage of a belt fabric or a steel wire framework are caused, serious accidents such as belt tearing occur, and material conveying operation is influenced.
Various solutions for belt deviation appear at present, for example, patent CN205010952U, patent CN201634204U describe that vertical rollers with flanges are provided at two sides of the carrier roller, when the belt deviates, after the edge of the belt touches the flange roller at the same side, the carrier roller and the flange roller assembly are forced to rotate around their own hinge axis, so as to achieve the function of deviation adjustment. The automatic centering mechanism as described in patent CN212314666U is composed of two rollers, a connecting frame and a chassis. The two rollers are connected with the connecting frame into a whole, can rotate along a supporting shaft of the chassis, and belong to a double-roller deviation adjusting mechanism. Except for all mechanical deviation adjusting mechanism devices, the photoelectric recognition technology is adopted on equipment with higher requirements on the deviation of the belt, the deviation of the belt is detected, and meanwhile, a pneumatic or electric actuating mechanism is used for automatically adjusting the deviation of the belt. The method has high equipment cost and is suitable for industries requiring clean environment, such as food or textile and the like.
However, the deviation adjusting devices of the belt conveyor all have the common disadvantage that the edge of the belt conveyor continuously rubs with the flange roller in the conveying process, so that the edge of the belt is easily abraded and damaged. The double-roller deviation adjusting mechanism device is complex and large in mechanism, the deviation adjusting action is not flexible enough, a large installation three-dimensional space is required, and the double-roller deviation adjusting mechanism device is not suitable for a short belt conveyor, particularly a belt conveyor with a driving unit arranged in the middle.
Therefore, a need exists for a deviation adjusting device which is safe, reliable, simple in mechanism and suitable for various belt conveyors.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a coaxial symmetrical roller device for adjusting deviation of a belt conveyor, which can solve the problem of deviation correction of the belt conveyor in the material conveying process, has the advantages of simple structure, convenience in installation and good deviation adjusting effect, and effectively prolongs the service stability and the service life of the belt conveyor.
In order to achieve the purpose, the utility model adopts the technical scheme that:
the utility model provides a coaxial symmetrical roller device for deviation adjustment of a belt conveyor, which is arranged below a return belt of the belt conveyor and comprises a rotary support, a long shaft, a first roller and a second roller, wherein the first roller and the second roller are arranged on the long shaft in a penetrating mode and can rotate around the long shaft, the long shaft is fixedly connected with the rotary support, the rotary support divides the long shaft into a left section and a right section, the first roller and the second roller are symmetrically arranged on the long shaft relative to the rotary support, and the first roller and the second roller are both in contact with the return belt and keep tension.
For the above technical solution, the applicant has further optimization measures.
Optionally, the conveyor belt conveyor further comprises a bottom plate, adjusting plates are vertically arranged on two sides of the bottom plate, vertical clamping grooves are formed in the adjusting plates, and the vertical clamping grooves in the bottom plate and the conveyor belt conveyor frame are fixed through bolts.
Optionally, the two side frames of the belt conveyor are respectively provided with a long groove, two ends of the long shaft are provided with sleeves, and the sleeves are inserted into the long grooves.
Further, the surface of the bottom plate is parallel to a return belt at a position contacted with the coaxial symmetrical roller device, and the rotating bracket is vertically fixed on the surface of the bottom plate.
Due to the application of the technical scheme, compared with the prior art, the utility model has the following advantages:
according to the coaxial symmetrical roller device for adjusting the deviation of the belt conveyor, the rotatable symmetrical rollers are arranged below the return belt of the belt conveyor, and the friction force between the two symmetrically arranged rollers and the return belt is used, so that the deviation phenomenon of the belt is automatically adjusted in the running process of the belt conveyor, the friction between the belt and a rack is avoided, the abrasion of the edge of the belt is prevented, and the service life of the belt is prolonged.
Drawings
Some specific embodiments of the utility model will be described in detail hereinafter, by way of illustration and not limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:
FIG. 1 is a schematic view of the installation of a coaxial symmetric roller device at a belt conveyor according to one embodiment of the present invention;
FIG. 2 is a schematic structural view of a coaxial symmetrical roller assembly according to one embodiment of the present invention;
FIG. 3 is a diagram of the position of the coaxial symmetric drum arrangement with the belt out of tracking according to one embodiment of the present invention;
FIG. 4 is a diagram of the position of a coaxial symmetric roller assembly with belts off tracking left or right according to one embodiment of the present invention.
Wherein the reference numerals are as follows:
1. a belt conveyor; 11. a return belt; 2. a frame of the belt conveyor; 3. a base plate; 4. a long axis; 51. a first roller, 52, a second roller; 6. the support is rotated.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
The embodiment describes a coaxial symmetrical roller device for adjusting the offset of a belt conveyor, as shown in fig. 1, the coaxial symmetrical roller device is arranged below a return belt 11 of the belt conveyor 1 and is used for automatically adjusting the deviation of the belt in the operation process of the belt conveyor 1, so that a central line P-P of the belt and a central line J-J of a rack 2 are kept within an allowable range, and the allowable range is that the central line P-P of the belt is approximately within 15 mm of the left and right of the central line J-J of the rack 2.
As shown in fig. 2, the coaxial symmetrical roller device includes a rotating bracket 6, a long shaft 4, and a first roller 51 and a second roller 52 that are disposed on the long shaft 4 and can rotate around the long shaft 4, the long shaft 4 is fixedly connected to the rotating bracket 6, the rotating bracket 6 divides the long shaft 4 into a left section and a right section, the first roller 51 and the second roller 52 are disposed on the long shaft 4 symmetrically to the rotating bracket 6, and both the first roller 51 and the second roller 52 are in contact with the return belt 11 and maintain tension. For the convenience of installation adjustment, in the coaxial symmetry cylinder device of this embodiment, still include bottom plate 3, the vertical regulating plate that is provided with in both sides of bottom plate 3, vertical draw-in groove has been seted up on the regulating plate, through the bolt fastening between the vertical draw-in groove on the bottom plate 3 and the frame 2 of belt feeder 1, the different tensioning forces that can adjust between cylinder and return belt 11 of latched position through the bolt in vertical draw-in groove. For adjusting the tension between the roller and the return belt 11, the bottom plate 3 can be directly fixed on the transverse rack 2, and the contact area between the roller and the return belt 11 is controlled by adjusting the number of the gaskets between the bottom plate 3 and the transverse rack 2, so that the tension is adjusted.
In order to ensure that the contact between the rollers and the return belt 11 is closer to tangential contact, the surface of the base plate 3 is arranged parallel to the return belt 11 in the position of contact with the coaxial symmetrical roller device, and the rotating bracket 6 is vertically fixed on the surface of the base plate 3.
In this embodiment, two rollers (a first roller 51 and a second roller 52) with the same shape are respectively supported on a long shaft 4 through two pairs of rotating bearings, so as to be connected with the long shaft 4 into a whole, and the two rollers can rotate around the long shaft 4. The first roller 51 and the second roller 52 at both ends of the long shaft 4 are independent rollers, but the surface shapes thereof are uniform arc surfaces having the same center or symmetrical trapezoidal sections. Firstly, the surfaces of the two rollers are circular arc sections, and the radiuses of the two rollers are according to the formula: radius of2= (two drum length/2)2+ chord center distance2And (6) performing calculation. According to the empirical value, the difference between the radius of the circular arc and the chord center distance is 1.5 mm-2 mm. The surfaces of two coaxial symmetrical rollers in the other structure are in a trapezoidal section, one section of the middle of each roller, which is close to the rotating bracket 6, is a cylinder, and the outer side part of each roller is a cone.
A gap of 30 mm is left between the first roller 51 and the second roller 52, the long shaft 4 is erected on the rotating bracket 6 at the gap, the upper end of the rotating bracket 6 clamps and fixes the long shaft 4, so that the long shaft 4 and the rollers can rotate along with the rotating bracket 6, and the lower end of the rotating bracket 6 is fixedly connected with the bottom plate 3.
The base of the rotating bracket 6 is vertically fixed on the bottom plate 3, and the rotating bracket 6 can rotate at any angle. In order to limit the transverse rotation amplitude of the rotating support 6, the two side frames 2 of the belt conveyor 1 are respectively provided with a long groove, two end parts of the long shaft 4 are provided with sleeves, preferably nylon sleeves, the sleeves are inserted into the long grooves, the long grooves are waist-shaped holes, the length can be adjusted according to the length of the long shaft 4, and the key point is to limit the swinging angle of the long shaft 4 to be between plus and minus 20 degrees.
As shown in fig. 3 and 4, when the belt conveyor 1 runs in the direction of the arrow under the action of the friction force of the driving roller, and the belt does not deviate, the central line P-P of the belt coincides with the central line J-J of the frame 2. If the return belt 11 deviates to the left, the friction force on the left side of the return belt 11 is greater than the friction force on the right side, so that the two coaxially symmetrical rollers rotate clockwise and form an angle with the moving direction of the belt, and the reaction force of the rollers with the inclined surfaces on the belt gives a component force to the belt to return to the center line of the rack 2, so that the center line of the belt is overlapped with the center line of the rack 2, and the deviation adjusting effect is achieved. And if the return belt 11 deviates to the right, the two coaxially symmetrical rollers rotate anticlockwise, and a thrust which points to the central line of the rack 2 is also given to the belt deviating to the right, so that the central line of the belt is enabled to be superposed with the central line of the rack 2.
To sum up, the coaxial symmetrical roller device for belt conveyor deviation adjustment of this application sets up rotatable symmetrical cylinder through the below at 1 return belt 11 of belt conveyor, and the friction between two cylinders that the symmetry set up and return belt 11 is drawn to the application, realizes the off tracking phenomenon at belt conveyor 1 automatic adjustment belt in the operation process to avoid the friction of belt and frame 2, prevent the wearing and tearing at belt edge, increase the service life of belt.
The above embodiments are merely illustrative of the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the content of the present invention and implement the utility model, and not to limit the scope of the utility model, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the scope of the present invention.
Claims (4)
1. The coaxial symmetrical roller device for the deviation adjustment of the belt conveyor is characterized by being arranged below a return belt of the belt conveyor and comprising a rotary support, a long shaft, a first roller and a second roller, wherein the first roller and the second roller are arranged on the long shaft in a penetrating mode and can rotate around the long shaft, the long shaft is fixedly connected with the rotary support, the rotary support divides the long shaft into a left section and a right section, the first roller and the second roller are symmetrically arranged on the long shaft relative to the rotary support, and the first roller and the second roller are both in contact with the return belt and keep tension.
2. The coaxial symmetrical roller device for belt conveyor deviation adjustment according to claim 1, further comprising a bottom plate, wherein adjusting plates are vertically arranged on two sides of the bottom plate, vertical clamping grooves are formed in the adjusting plates, and the vertical clamping grooves in the bottom plate and the frame of the belt conveyor are fixed through bolts.
3. The coaxial symmetrical roller device for belt conveyor deviation adjustment according to claim 2, wherein elongated slots are respectively formed in the two side frames of the belt conveyor, sleeves are mounted at two end portions of the long shaft, and the sleeves are inserted into the elongated slots.
4. The coaxial symmetrical roller device for belt conveyor deviation adjustment according to claim 2 or 3, wherein the bottom plate surface is parallel to the return belt at the position of contact with the coaxial symmetrical roller device, and the rotating bracket is vertically fixed on the bottom plate surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122123304.5U CN215556743U (en) | 2021-09-03 | 2021-09-03 | Coaxial symmetrical roller device for deviation adjustment of belt conveyor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122123304.5U CN215556743U (en) | 2021-09-03 | 2021-09-03 | Coaxial symmetrical roller device for deviation adjustment of belt conveyor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215556743U true CN215556743U (en) | 2022-01-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122123304.5U Active CN215556743U (en) | 2021-09-03 | 2021-09-03 | Coaxial symmetrical roller device for deviation adjustment of belt conveyor |
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| Country | Link |
|---|---|
| CN (1) | CN215556743U (en) |
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2021
- 2021-09-03 CN CN202122123304.5U patent/CN215556743U/en active Active
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| GR01 | Patent grant | ||
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| CP03 | Change of name, title or address |
Address after: No. 18 Nanxin Road, Shajiabang Town, Changshu City, Xuzhou City, Jiangsu Province, 215542 Patentee after: Stark Intelligent Automation Equipment (Suzhou) Co.,Ltd. Address before: 215542 No. 18, Nanxin Road, Shajiabang Town, Changshu City, Suzhou City, Jiangsu Province Patentee before: Ruiyike automation technology (Suzhou) Co.,Ltd. |
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| TR01 | Transfer of patent right |
Effective date of registration: 20230601 Address after: No. 200 Xiaoling Main Street, Xuanwu District, Nanjing City, Jiangsu Province, 210000 Patentee after: Yan Shun Address before: No. 18 Nanxin Road, Shajiabang Town, Changshu City, Xuzhou City, Jiangsu Province, 215542 Patentee before: Stark Intelligent Automation Equipment (Suzhou) Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230807 Address after: No. 18 Nanxin Road, Shajiabang Town, Suzhou City, Jiangsu Province 210000 215542 Patentee after: Stark Intelligent Automation Equipment (Suzhou) Co.,Ltd. Address before: No. 200 Xiaoling Main Street, Xuanwu District, Nanjing City, Jiangsu Province, 210000 Patentee before: Yan Shun |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A coaxial symmetrical drum device for adjusting the deviation of belt conveyors Effective date of registration: 20231113 Granted publication date: 20220118 Pledgee: Bank of China Limited Suzhou Xiangcheng sub branch Pledgor: Stark Intelligent Automation Equipment (Suzhou) Co.,Ltd. Registration number: Y2023980065169 |