CN114852600A - Spiral tensioning device for belt conveyor - Google Patents
Spiral tensioning device for belt conveyor Download PDFInfo
- Publication number
- CN114852600A CN114852600A CN202210660129.XA CN202210660129A CN114852600A CN 114852600 A CN114852600 A CN 114852600A CN 202210660129 A CN202210660129 A CN 202210660129A CN 114852600 A CN114852600 A CN 114852600A
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- Prior art keywords
- tensioning
- guide rail
- belt conveyor
- seat
- telescopic component
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- 230000005540 biological transmission Effects 0.000 claims abstract description 32
- 230000007246 mechanism Effects 0.000 claims abstract description 23
- 238000006073 displacement reaction Methods 0.000 claims description 14
- 239000000428 dust Substances 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims description 3
- 230000002146 bilateral effect Effects 0.000 claims 1
- 210000001503 joint Anatomy 0.000 claims 1
- 230000033001 locomotion Effects 0.000 description 8
- 230000008878 coupling Effects 0.000 description 7
- 238000010168 coupling process Methods 0.000 description 7
- 238000005859 coupling reaction Methods 0.000 description 7
- 238000009434 installation Methods 0.000 description 7
- 230000009286 beneficial effect Effects 0.000 description 5
- 230000003139 buffering effect Effects 0.000 description 4
- 230000002349 favourable effect Effects 0.000 description 4
- 230000002035 prolonged effect Effects 0.000 description 3
- 239000002390 adhesive tape Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000007723 transport mechanism Effects 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 206010063385 Intellectualisation Diseases 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000005352 clarification Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G23/00—Driving gear for endless conveyors; Belt- or chain-tensioning arrangements
- B65G23/44—Belt or chain tensioning arrangements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G43/00—Control devices, e.g. for safety, warning or fault-correcting
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
Abstract
The invention provides a spiral tensioning device for a belt conveyor, which comprises a first tensioning part and a second tensioning part, wherein the first tensioning part and the second tensioning part are connected through a support and are bilaterally symmetrical, and the first tensioning part and the second tensioning part respectively comprise a motor, a transmission mechanism connected to the motor, a tensioning device, a telescopic part arranged on the tensioning device and a buffer type coupler arranged between the telescopic part and the transmission mechanism. By adopting the technical scheme of the invention, the labor intensity of manual adjustment is effectively reduced, the adjustment time is shortened, the asynchronous roller adjustment is improved, and the adjustment accuracy is improved.
Description
Technical Field
The invention relates to the field of automatic control of conveyors, in particular to a spiral tensioning device for a belt conveyor.
Background
The belt conveyor is a conveying device widely applied to the fields of modern coal, cement, ports, mines and the like, and has the advantages of simple structure, light weight, large conveying capacity, long conveying distance, low conveying cost, simplicity in operation and maintenance and the like.
After the belt conveyor is used for a certain time, the belt can be loosened to a certain degree, and phenomena such as slipping can occur, so that the normal work of the conveyor is influenced. The belt conveyor basically comprises a tension device of the conveyor belt, and the tension device is mainly used for keeping the conveyor belt in a tension state and ensuring that enough friction force is generated between the conveyor belt and the transmission roller, so that the conveyor can run stably.
At present, a tensioning device of a belt conveyor has different tensioning modes, and mainly comprises vertical heavy hammer tensioning, vehicle type tensioning, winch tensioning, screw rod tensioning and the like. The screw rod of the existing spiral tensioning device needs to be manually screwed to operate when being adjusted each time. The working principle of the device is that a rotatable screw and a non-rotatable nut are screwed by external force, and a sliding frame drives a head roller to move on a frame by screwing of threads, so that the roller is driven to move for a certain distance to achieve the purpose of tensioning a conveying belt. The tensioning device has a simple structure, but has some defects, such as long length of the wire rod, long distance between a stress point and a motion point, large moment required, and suitability for the belt conveyor with low tensioning force. The lead screw still takes place bending deformation easily in the actual use, reduces its life. The manual adjustment has the defects of high labor intensity, long time, asynchronism before and after the manual adjustment and inaccuracy. In addition, the distance between the stress point and the moving point is too long, and the field arrangement of the conveyor is generally compact, so that the operator can have great inconvenience for operation. The belt conveyor continuously develops towards the direction of intellectualization and nobody, and the intelligent servo spiral tensioning device with the automatic control function is provided aiming at the problems.
Disclosure of Invention
In order to solve the technical problems, the invention provides a spiral tensioning device for a belt conveyor, which comprises a first tensioning part and a second tensioning part, wherein the first tensioning part and the second tensioning part are connected through a support and are bilaterally symmetrical, and the first tensioning part and the second tensioning part respectively comprise a motor, a transmission mechanism connected to the motor, a tensioning device, a telescopic component arranged on the tensioning device and a buffer type coupler arranged between the telescopic component and the transmission mechanism. The telescopic component is driven by the motor to rotate and move, so that the tension of the rubber belt of the belt conveyor is adjusted. By adopting the technical scheme of the invention, the labor intensity of manual adjustment is effectively reduced, the adjustment time is shortened, the asynchronous roller adjustment is improved, and the adjustment accuracy is improved.
In this embodiment, drive mechanism includes transmission shaft and pressure sensor, transmission shaft one end is connected with the motor, place drive mechanism in the pressure sensor in, when pressure sensor monitored the tensile force and is less than predetermined tensile force, the motor began forward drive transport mechanism and overspeed device tensioner, realizes taut, when pressure sensor monitored the tensile force and is greater than predetermined tensile force, the motor began reverse drive transport mechanism and overspeed device tensioner, realizes the lax of belt.
In this embodiment, a displacement sensor is disposed on the bracket, and the displacement sensor is used for monitoring the moving displacement of the roller.
Furthermore, the buffering formula shaft coupling is used for connecting transmission shaft and flexible part, the inside spring that is provided with of buffering formula shaft coupling, the spring suit is on the transmission shaft.
Furthermore, the tensioning device comprises a tensioning seat arranged on the support, a guide rail arranged in the tensioning seat, a first guide rail support frame arranged on the frame, and a second guide rail support frame arranged on the tensioning seat.
Furthermore, flexible part one end is connected on buffering formula shaft coupling, and one end is connected on the tension seat, flexible part is ball or trapezoidal lead screw, flexible part is rotatory under the drive of motor, takes place the motion, and then adjusts belt conveyor sticky tape tension.
Further, the tensioning seat has left end and right-hand member, first guide rail and second guide rail are installed to the left end of tensioning seat, first guide rail cross-section is closely installed with the tensioning seat cross-section is parallel, the second guide rail cross-section is the contained angle installation with first guide rail cross-section, third guide rail and fourth guide rail are installed to the right-hand member of tensioning seat, third guide rail cross-section is closely installed with the tensioning seat cross-section is parallel, and the fourth guide rail corresponds parallel mount with the third guide rail.
Further, the guide rail is a roller linear guide rail.
Further, the tensioning seat is of a door-shaped structure or a dovetail-shaped structure.
Furthermore, the telescopic component is also provided with a dust cover.
By adopting the technical scheme of the invention, the labor intensity of manual adjustment is effectively reduced, the adjustment time is shortened, the asynchrony of roller adjustment is improved, the adjustment accuracy is improved, the deformation of the telescopic part is favorably reduced by adopting the guide rail for adjustment, and the service life of the equipment is prolonged.
Drawings
The above and other objects and advantages of the present invention will become more apparent from the following detailed description when taken in conjunction with the accompanying drawings, in which like or similar elements are designated by like reference numerals.
In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings required to be used in the embodiments will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
Fig. 1 is a schematic front view of the structure of the present invention.
Fig. 2 is a schematic top view of the structure of the present invention.
FIG. 3 is a schematic cross-sectional view of a first embodiment of the tightening part according to the present invention.
Fig. 4 is a schematic cross-sectional view of the transmission mechanism of the present invention.
The numbers in the figure indicate:
1-a first tensioning part, 2-a second tensioning part, 3-a bracket, 4-a motor, 5-a transmission mechanism, 51-a transmission shaft, 52-a pressure sensor, 6-a tensioning device, 7-a telescopic component, 8-a buffer type coupler, 81-a spring, 10-a roller 11-a dust cover and 12-a displacement sensor;
wherein the tensioning device 6 comprises: 61-a tensioning seat, 62-a second guide rail support frame, 63-a first guide rail, 64-a second guide rail, 65-a third guide rail, 66-a fourth guide rail and 67-a first guide rail support frame.
Detailed Description
The present invention will be described in further detail with reference to examples. The advantages and features of the present invention will become more apparent as the description proceeds. These examples are illustrative only and do not limit the scope of the present invention in any way. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention, and that such changes and modifications may be made without departing from the spirit and scope of the invention.
Terms such as "comprising" and "comprises" mean that, in addition to having components which are directly and explicitly stated in the description and claims, the solution of the invention does not exclude other components which are not directly or explicitly stated. In the description herein, directional terms such as "upper", "lower", "front", "rear", etc., are used, it being understood that these directional terms are relative terms, which are used for relative positional description and clarification, and that the particular orientation thereof may vary accordingly as the orientation of the tensioner changes.
As shown in fig. 1, which is a schematic front view of the overall structure of the present invention, the present invention provides a spiral tensioning apparatus 6 for a belt conveyor, comprising a first tensioning portion 1 and a second tensioning portion 2, wherein the first tensioning portion 1 and the second tensioning portion 2 are connected by a bracket 3, and are bilaterally symmetrical, and the spiral tensioning apparatus is characterized in that: the first tensioning part 1 and the second tensioning part 2 respectively comprise a motor 4, a transmission mechanism 5 connected to the motor 4, a tensioning device 6, a telescopic component 7 arranged on the tensioning device 6, and a buffer type coupler 8 arranged between the telescopic component 7 and the transmission mechanism 5. The telescopic part 7 rotates under the driving of the motor 4, moves and further adjusts the tension of the rubber belt of the belt conveyor. By adopting the technical scheme of the invention, the labor intensity of manual adjustment is effectively reduced, the adjustment time is shortened, the asynchronous adjustment of the tensioning seat on the first tensioning part and the tensioning seat on the second tensioning part is improved, and the adjustment accuracy is improved.
In this embodiment, as shown in fig. 4, the transmission mechanism 5 includes a transmission shaft 51 and a pressure sensor 52, one end of the transmission shaft 51 is connected to the motor 4, and the other end is connected to the buffer coupling 8, the pressure sensor 52 is disposed in the transmission mechanism 5, and when the pressure sensor 52 detects that the tension force is smaller than a preset tension force, the motor 4 starts to drive the transmission mechanism and the tensioning device 6 in the forward direction, so as to drive the drum 10 to displace to tension the belt; when the pressure sensor 52 detects that the tension is greater than the preset tension, the motor 4 starts to reversely drive the transmission mechanism and the tensioning device 6, and the belt is loosened. The tension of the conveying belt of the belt conveyor can be adjusted, when the tension is small, the conveying belt is kept in a tensioned state, and sufficient friction force is generated between the conveying belt and the transmission roller 10, so that the conveyor can run stably; when the tension is too large, the motor 4 rotates reversely to loosen the adhesive tape, so that the adhesive tape is prevented from being broken due to the too large tension.
In the present embodiment, as shown in fig. 2, the bracket 3 is provided with a displacement sensor 9 for monitoring the displacement of the tension seat on the first and second tension parts 1 and 2. The technical purpose is as follows: adopt displacement sensor 9 can monitor the taut seat displacement on first taut portion 1 and the taut portion 2 of second respectively, can effectively avoid the taut seat 61 removal of two sides to be asynchronous when concertina movement.
In this embodiment, the buffer coupling 8 is used for connecting the transmission shaft 51 and the telescopic member 7, a spring 81 is arranged inside the buffer coupling 8, and the spring 81 is sleeved on the transmission shaft 51. The impact force of the roller 10 on the telescopic part 7 in the running process of the conveyor is favorably counteracted, the bending deformation of the telescopic part 7 is reduced, and the service life of the equipment is prolonged.
In the present embodiment, as shown in fig. 3, the tensioning device 6 includes a tensioning seat 61 disposed on the bracket 3, a guide rail disposed in the tensioning seat 61, a first guide rail support frame 67 disposed on the frame, and a second guide rail support frame 62 mounted on the tensioning seat, wherein the first guide rail support frame 67 is fixed on the frame and is also used for supporting the tensioning seat 61, and the second guide rail support frame 62 moves along with the tensioning seat 61.
In this embodiment, telescopic part 7 one end is connected on buffering formula shaft coupling 8, and one end is connected on tensioning seat 61, telescopic part 7 is ball or trapezoidal screw, telescopic part 7 is rotatory under the drive of motor 4, takes place the motion, and then adjusts belt conveyor sticky tape tension.
In this embodiment, as shown in fig. 3, the tensioning seat 61 has a left end and a right end, the left end of the tensioning seat 61 is provided with a first guide rail 63 and a second guide rail 64, the cross section of the first guide rail 63 is closely installed in parallel with the cross section of the tensioning seat 61, the cross section of the second guide rail 64 is installed at an included angle with the cross section of the first guide rail 63, the right end of the tensioning seat 61 is provided with a third guide rail 65 and a fourth guide rail 66, the cross section of the third guide rail 65 is closely installed in parallel with the cross section of the tensioning seat 61, and the fourth guide rail 66 is correspondingly installed in parallel with the third guide rail 65. The technical purpose is as follows: an included angle type installation mode of the first guide rail 63 and the second guide rail 64 forms a triangular installation opening with the first guide rail support frame 67, so that the tightening base 61 is fixed conveniently, and cannot be laterally deviated or deformed; the parallel installation mode of second guide rail 64 and fourth guide rail 66 is favorable to the tensioning seat 61 to keep certain directionality, adopts the mode that both combine together, can effectively keep the existing certain directionality of tensioning seat 61, moves along the guide rail, can guarantee again that tensioning seat 61 has certain fixity, can not produce skew and deformation, is favorable to tensioning seat along the smooth removal of guide rail.
In this embodiment, the guide rail is a roller linear guide rail, and the smooth movement of the tensioning seat 61 is facilitated due to the small friction force. In this embodiment, the tension seat 61 is a door-shaped structure as shown in fig. 3, and in practical application, a dovetail structure may be adopted, which is beneficial to guiding the telescopic motion. In this embodiment, the telescopic member 7 is a ball screw, which is beneficial to smooth telescopic movement, and in other embodiments, a trapezoidal screw may be used, which is beneficial to reduce cost. By adopting the technical scheme of the invention, the labor intensity of manual adjustment is effectively reduced, the adjustment time is shortened, the asynchrony of the adjustment of the roller 10 is improved, the adjustment accuracy is improved, the deformation of the telescopic part 7 is reduced by adopting the guide rail for adjustment, and the service life of the equipment is prolonged.
After adopting the technical scheme, compared with the prior art, the invention has the following beneficial effects:
1. the tension adjusting device is used for adjusting tension in a mode that the motor drives the transmission mechanism to further drive the telescopic mechanism, is more efficient and accurate, and greatly improves labor efficiency.
2. The tension sensor is adopted to actively monitor the tension condition of the conveyer belt of the conveyer, so that the tension can be timely adjusted, the routing inspection is reduced, and the labor intensity and the labor cost are reduced.
3. According to the invention, the displacement sensors are adopted to synchronously monitor the displacement conditions of the tensioning seats of the first tensioning part and the second tensioning part, so that the asynchronous displacement of the tensioning seats at two sides during telescopic motion can be effectively avoided, and the deviation of the conveying belt caused by the asynchronous displacement is reduced.
4. The invention adopts an included angle type installation mode of the first guide rail and the second guide rail, and a triangular installation opening is formed between the first guide rail and the tensioning seat, so that the tensioning seat is favorable for fixation, and is not transversely deviated or deformed; the parallel installation mode of second guide rail and fourth guide rail is favorable to taut seat to keep certain directionality, adopts the mode that both combine together, can effectively keep the existing certain directionality of taut seat, and the activity in the guide rail can guarantee again that taut seat has certain fixity, can not produce skew and deformation.
5. The invention adopts the ball screw and the linear roller guide rail, thereby being beneficial to the smoothness of the whole mechanism in the telescopic moving process and prolonging the service life of the equipment.
The embodiments in the above embodiments can be further combined or replaced, and the embodiments are only used for describing the preferred embodiments of the present invention, and do not limit the concept and scope of the present invention, and various changes and modifications made to the technical solution of the present invention by those skilled in the art without departing from the design concept of the present invention belong to the protection scope of the present invention.
Claims (10)
1. The utility model provides a spiral straining device for belt conveyor, includes first taut portion and the taut portion of second, and wherein first taut portion passes through leg joint, bilateral symmetry, its characterized in that with the taut portion of second: the first tensioning portion and the second tensioning portion respectively comprise a motor, a transmission mechanism connected to the motor, a tensioning device, a telescopic component arranged on the tensioning device, and a buffer type coupler arranged between the telescopic component and the transmission mechanism, wherein the telescopic component rotates under the driving of the motor and moves to adjust the tension of the rubber belt of the belt conveyor.
2. The screw tightening device for a belt conveyor according to claim 1, characterized in that: the transmission mechanism comprises a transmission shaft and a pressure sensor, one end of the transmission shaft is connected with the motor, the pressure sensor is arranged in the transmission mechanism, when the pressure sensor monitors that the tension is smaller than a preset tension, the motor starts to drive the conveying mechanism and the tensioning device in a forward direction to realize tensioning, and when the pressure sensor monitors that the tension is larger than the preset tension, the motor starts to drive the conveying mechanism and the tensioning device in a reverse direction to realize loosening of the belt.
3. The screw tightening device for a belt conveyor according to claim 1, characterized in that: and a displacement sensor is arranged on the support and used for monitoring the moving displacement of the roller.
4. The screw tightening device for a belt conveyor according to claim 1, characterized in that: the buffer type coupler is used for connecting the transmission shaft and the telescopic component, a spring is arranged inside the buffer type coupler, and the spring is sleeved on the transmission shaft.
5. The screw tightening device for a belt conveyor according to claim 1, characterized in that: the tensioning device comprises a tensioning seat arranged on the support, a guide rail arranged in the tensioning seat, a first guide rail support frame arranged on the rack, and a second guide rail support frame arranged on the tensioning seat.
6. The screw tightening device for a belt conveyor according to claim 5, wherein: one end of the telescopic component is connected to the buffer type coupler, the other end of the telescopic component is connected to the tensioning seat, and the telescopic component is a ball screw or a trapezoidal screw.
7. The screw tightening device for a belt conveyor according to claim 5, wherein: the tensioning seat is provided with a left end and a right end, the left end of the tensioning seat is provided with a first guide rail and a second guide rail, the section of the first guide rail is closely installed in parallel with the section of the tensioning seat, the section of the second guide rail is installed at an included angle with the section of the first guide rail, the right end of the tensioning seat is provided with a third guide rail and a fourth guide rail, the section of the third guide rail is closely installed in parallel with the section of the tensioning seat, and the fourth guide rail is correspondingly and parallelly installed with the third guide rail.
8. The helical tensioning device for a belt conveyor as claimed in claim 7, wherein: the guide rail is a roller linear guide rail.
9. The screw tightening device for a belt conveyor according to claim 5, wherein: the tensioning seat is of a door-shaped structure or a dovetail structure.
10. The screw tightening device for a belt conveyor according to claim 1, characterized in that: the telescopic component is also provided with a dust cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210660129.XA CN114852600A (en) | 2022-06-13 | 2022-06-13 | Spiral tensioning device for belt conveyor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210660129.XA CN114852600A (en) | 2022-06-13 | 2022-06-13 | Spiral tensioning device for belt conveyor |
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| Publication Number | Publication Date |
|---|---|
| CN114852600A true CN114852600A (en) | 2022-08-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210660129.XA Pending CN114852600A (en) | 2022-06-13 | 2022-06-13 | Spiral tensioning device for belt conveyor |
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- 2022-06-13 CN CN202210660129.XA patent/CN114852600A/en active Pending
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| CN215824805U (en) * | 2021-07-14 | 2022-02-15 | 浙江畅尔智能装备股份有限公司 | Composite guide rail moving workbench |
| CN114455280A (en) * | 2022-03-08 | 2022-05-10 | 安徽省矿业机电装备有限责任公司 | Novel automatic tensioning electrical system of trigger chain is scraped in monitoring |
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