CN115057167B - Hydraulic tensioning device for belt conveyor - Google Patents
Hydraulic tensioning device for belt conveyor Download PDFInfo
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- CN115057167B CN115057167B CN202210903544.3A CN202210903544A CN115057167B CN 115057167 B CN115057167 B CN 115057167B CN 202210903544 A CN202210903544 A CN 202210903544A CN 115057167 B CN115057167 B CN 115057167B
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- plate body
- belt
- gear
- range finder
- tensioning
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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
- B65G15/00—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration
- B65G15/30—Belts or like endless load-carriers
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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
- B65G15/00—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration
- B65G15/60—Arrangements for supporting or guiding belts, e.g. by fluid jets
- B65G15/64—Arrangements for supporting or guiding belts, e.g. by fluid jets for automatically maintaining the position of the belts
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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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The application discloses a hydraulic tensioning device for a belt conveyor, which comprises a tensioning buffer mechanism, a hydraulic station, a prop drawing winch, a tension sensor, a controller, a plate body, four walking adjusting components, a first range finder, a second range finder, a baffle plate and a roller shaft frame, wherein the tensioning buffer mechanism is connected with the hydraulic station through an oil guide pipe; the tensioning buffer mechanism, the prop drawing winch, the plate body and the tension sensor are connected through a steel wire rope; the four walking adjusting assemblies are symmetrically arranged on the lower surface of the plate body, and the controller, the first range finder and the roller shaft frame are arranged on the upper surface of the plate body; the baffle is arranged on the tensioning buffer mechanism. Therefore, the deviation of the deviated belt and the plate body can be automatically corrected, the plate body, the belt and the tensioning buffer mechanism are located on the same horizontal line, the occurrence of the situation that the belt is deviated and torn is avoided, the service life of the belt is prolonged, the possibility of occurrence of belt breakage accidents is reduced, and meanwhile unnecessary maintenance cost can be avoided.
Description
Technical Field
The application relates to the technical field of belt conveyors, in particular to a hydraulic tensioning device for a belt conveyor.
Background
The belt conveyor is the most ideal high-efficiency continuous conveying equipment for the coal mine, has the advantages of long conveying distance, large conveying capacity, continuous conveying and the like compared with other conveying equipment (such as locomotives), and is reliable in operation and easy to realize automation and centralized control. The continuous conveying device has the advantages of simple structure, stable operation, reliable operation, low energy consumption, small environmental pollution and convenient management and maintenance, can realize continuous conveying under the condition of continuous loading, and is a new problem in tensioning and starting performance of the conveyor along with continuous improvement of the conveying capacity of the belt conveyor.
The belt conveyor can not guarantee constantly in the in-process of transportation, and belt, tensioning dolly and tensioning buffer are located same water flat line, especially in carrying out belt tensioning or at the in-process that the belt rectified, cause the tensioning dolly to appear the skew or rock the condition emergence easily, lead to the condition that the belt appears off tracking tear, not only reduce the life of belt, increased the possibility of broken belt accident emergence, increased unnecessary cost of maintenance simultaneously.
Disclosure of Invention
The present application aims to solve at least one of the technical problems in the related art to some extent.
Therefore, a first object of the present application is to provide a hydraulic tensioning device for a belt conveyor, which can automatically correct deviation of a deviated belt and a plate body, ensure that the plate body, the belt and a tensioning buffer mechanism are positioned on the same horizontal line, avoid the occurrence of the condition that the belt deviates and tears, not only prolong the service life of the belt, reduce the possibility of belt breakage accident, but also avoid unnecessary maintenance cost.
To achieve the above object, an embodiment of a first aspect of the present application proposes: the hydraulic tensioning device for the belt conveyor comprises a tensioning buffer mechanism, a hydraulic station, a prop drawing winch, a tension sensor, a controller, a plate body, four walking adjusting assemblies, a first range finder, a second range finder, a baffle plate and a roller shaft frame, wherein the tensioning buffer mechanism is connected with the hydraulic station through an oil guide pipe; the tensioning buffer mechanism, the prop drawing winch, the plate body and the tension sensor are connected through a steel wire rope; the four walking adjusting assemblies are symmetrically arranged on the lower surface of the plate body and are used for driving the plate body to move in a preset direction; the controller, the first range finder and the roller shaft frame are all arranged on the upper surface of the plate body; the baffle is arranged on the tensioning buffer mechanism; the first distance meter is used for measuring the distance between the first distance meter and the baffle; the second range finder is arranged on the roller shaft frame and is used for measuring the distance between the second range finder and a belt arranged on the roller shaft frame; the controller is respectively connected with the hydraulic station, the prop drawing winch, the tension sensor, the walking adjusting assembly, the first range finder and the second range finder; the controller is used for controlling the walking adjusting assembly to drive the plate body to move in the preset direction according to the distance measurement values fed back by the first distance measuring instrument and the second distance measuring instrument.
According to the hydraulic tensioning device for the belt conveyor, the first distance meter is arranged to measure the distance between the belt conveyor and the baffle, the second distance meter is used for measuring the distance between the belt conveyor and the baffle, the first distance meter and the second distance meter feed back the measured fruits to the controller, the controller analyzes received information, if the received information is judged to be beyond or lower than the preset threshold range, the traveling adjusting assembly is controlled to drive the plate body to travel in the preset direction, the position relation between the plate body and the belt and the tensioning buffer mechanism is adjusted, and therefore the plate body, the belt and the tensioning buffer mechanism can be guaranteed to be positioned on the same horizontal line, the situation that the belt is deviated and torn is avoided, the service life of the belt is prolonged, the possibility of belt breakage accidents is reduced, and meanwhile unnecessary maintenance cost can be avoided.
In addition, the hydraulic tensioning device for the belt conveyor provided by the application can also have the following additional technical characteristics:
in one embodiment of the application, the walking adjusting assembly comprises a walking mechanism and an adjusting mechanism, wherein the walking mechanism is arranged on the lower surface of the plate body, and the adjusting mechanism is arranged on the walking mechanism and used for driving the walking mechanism to move.
In one embodiment of the application, the driving directions of the two running mechanisms which are arranged transversely are opposite to the driving directions of the other two running mechanisms which are arranged transversely, and the driving directions of any two running mechanisms which are arranged transversely in any four running mechanisms are the same.
In one embodiment of the application, the travelling mechanism comprises a supporting rod, a supporting frame and rollers, wherein the supporting rod is arranged on the lower surface of the plate body, and the bottom end of the supporting rod is rotationally connected with the supporting frame through a rotating shaft; one end of the roller is connected with a first bearing embedded in the inner wall of the support frame, and the other end of the roller is connected with a second bearing embedded in the inner wall of the support frame and penetrates through the second bearing.
In one embodiment of the application, the adjusting mechanism comprises a collar bracket, a first bevel gear, a second bevel gear, a first one-way bearing, a motor, a second gear and a second one-way bearing, wherein the collar bracket is rotatably connected on the outer wall of the supporting rod; the motor is arranged on the inner wall of the lantern ring bracket; the end head of the motor output shaft is connected with a third bearing embedded in the surface of the support frame, and the first gear is connected with the motor output shaft through a second one-way bearing; the second bevel gear is connected with an output shaft of the motor through a first one-way bearing; the first bevel gear is fixedly connected to the outer wall of the supporting rod, and the second bevel gear is meshed with outer ring gear teeth of the first bevel gear; the second gear is fixedly connected to the outer wall of the end head of the roller penetrating through the second bearing, and the outer ring gear teeth of the second gear and the outer ring gear teeth of the first gear are meshed with each other.
In one embodiment of the application, the diameter of the first gear is smaller than the diameter of the second gear.
In one embodiment of the application, the first range finder and the second range finder are both laser range finders.
Additional aspects and advantages of the application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the application.
Drawings
The foregoing and/or additional aspects and advantages of the application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, in which:
FIG. 1 is a schematic view of a hydraulic tensioner for a belt conveyor according to an embodiment of the present application;
FIG. 2 is a left side view of a hydraulic tensioner for a belt conveyor according to one embodiment of the present application; and
fig. 3 is an enlarged schematic view of the structure of the region a in fig. 2 according to an embodiment of the present application.
As shown in the figure: 1. a tensioning buffer mechanism; 2. a hydraulic station; 3. a prop drawing winch; 4. a tension sensor; 5. a controller; 6. a plate body; 7. a walking adjustment assembly; 8. a first range finder; 9. a second range finder; 10. a baffle; 11. a roller frame; 70. a walking mechanism; 700. a support rod; 701. a support frame; 702. a roller; 71. an adjusting mechanism; 710. a collar support; 711. a first bevel gear; 712. a second bevel gear; 713. a first gear; 714. a first one-way bearing; 715. a motor; 716. a second gear; 717. and a second one-way bearing.
Detailed Description
Embodiments of the present application are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present application and should not be construed as limiting the application. On the contrary, the embodiments of the application include all alternatives, modifications and equivalents as may be included within the spirit and scope of the appended claims.
The hydraulic tensioner for a belt conveyor according to an embodiment of the present application is described below with reference to the accompanying drawings.
As shown in fig. 1, the hydraulic tensioning device for the belt conveyor according to the embodiment of the application may include a tensioning buffer mechanism 1, a hydraulic station 2, a prop drawing winch 3, a tension sensor 4, a controller 5, a plate body 6, four walking adjusting assemblies 7, a first distance meter 8, a second distance meter 9, a baffle 10 and a roller frame 11.
The tensioning buffer mechanism 1 is connected with the hydraulic station 2 through an oil guide pipe, the tensioning buffer mechanism 1, the prop winch 3, the plate body 6 and the tension sensor 4 are connected through steel wires, four walking adjusting assemblies 7 are symmetrically arranged on the lower surface of the plate body 6, the walking adjusting assemblies 7 are used for driving the plate body 6 to move in a preset direction, the controller 5, the first distance meter 8 and the roller shaft bracket 11 are all arranged on the upper surface of the plate body 6, the baffle 10 is arranged on the tensioning buffer mechanism 1, the first distance meter 8 is used for measuring the distance between the baffle 10, the second distance meter 9 is arranged on the roller shaft bracket 11 and used for measuring the distance between the belts arranged on the roller shaft bracket 11, the controller 5 is respectively connected with the hydraulic station 2, the prop winch 3, the tension sensor 4, the walking adjusting assemblies 7, the first distance meter 8 and the second distance meter 9, and the controller 5 are used for controlling the walking adjusting assemblies 7 to drive the plate body 6 to move in the preset direction according to the distance measurement numerical values fed back by the first distance meter 8 and the second distance meter 9, wherein the baffle 10 is arranged on one end of the tensioning buffer mechanism 1 in a suspending mode, and the other end of the baffle 10 is arranged on one end of the tensioning buffer mechanism 1.
It should be noted that, the tensioning buffer mechanism 1, the hydraulic station 2, the prop winch 3 and the tension sensor 4 described in this example are all of the prior art, and will not be repeated.
The working principle of belt tensioning is that in an automatic control mode, the hydraulic station 2 is started, and then the electromagnetic valve controls the oil filling of the tensioning buffer mechanism 1 consisting of the buffer oil cylinder and the energy accumulator. When the oil filling pressure makes the tension of the steel wire rope reach the set upper limit (the specific numerical value can be set according to the actual requirement on site), the electromagnetic valve controls to stop oil filling. At the same time the controller 5 signals that the belt conveyor can start, the belt conveyor starts and accelerates. After the belt conveyor reaches a constant-speed running state, the controller 5 controls the electromagnetic valve to release pressure for the tensioning buffer mechanism 1, so that tension is reduced. When the conveyor belt tension is reduced to a value required by normal operation, the tensioning buffer mechanism 1 is self-locked to maintain the belt tension, and the hydraulic station 2 stops working. The tension of the belt is automatically monitored by the tension sensor 4. Once the tension is found to be less than 0.95 times the set "lower limit", it will restart the tension buffer mechanism 1 via the controller 5, increasing the belt tension to the set lower limit. After the adjustment is finished, the tensioning is automatically stopped.
In the embodiment of the application, the first distance meter 8 is used for measuring the distance between the second distance meter 9 and the baffle 10 so as to monitor the position relationship between the plate body 6 and the tension buffer mechanism 1, and the second distance meter 9 is used for measuring the distance between the second distance meter 9 and the belt so as to monitor whether the belt is deflected or not.
Specifically, in the actual operation process, the related personnel start the first range finder 8 and the second range finder 9, the first range finder 8 measures the distance between the baffle 10, the second range finder 9 is used for measuring the distance between the baffle and the belt, the first range finder 8 and the second range finder 9 feed back the measured fruit bearing time to the controller 5, and the controller 5 analyzes the received information.
If the received numerical information exceeds or is lower than a preset threshold range (the specific numerical value can be set according to the actual requirements on site), the walking adjusting assembly 7 is controlled to drive the plate body 6 to advance according to the preset direction, and the position relationship between the plate body 6 and the belt and the tensioning buffer mechanism 1 is adjusted, so that the plate body 6, the belt and the tensioning buffer mechanism 1 can be ensured to be positioned on the same horizontal line, the situation that the belt is deviated and torn is avoided, the service life of the belt is prolonged, the possibility of belt breakage accidents is reduced, and meanwhile, unnecessary maintenance cost can be avoided.
As a possible case, in order to improve accuracy of the second distance meter 9 in measuring the belt distance, the second distance meter 9 may be provided in two, respectively symmetrically disposed on two sides of the belt relatively parallel.
In one embodiment of the present application, as shown in fig. 2, the travel adjustment assembly 7 includes a travel mechanism 70 and an adjustment mechanism 71, wherein the travel mechanism 70 is mounted on the lower surface of the plate body 6, and the adjustment mechanism 71 is mounted on the travel mechanism 70 for driving the travel mechanism 70 to travel.
In one embodiment of the application, the driving directions of two laterally arranged running gear 70 are opposite to the driving directions of the other two laterally arranged running gear 70; the advantage of the arrangement is that the situation that the other two travelling mechanisms 70 are locked when the two travelling mechanisms 70 which are transversely arranged travel can be prevented; any two of the four traveling mechanisms 70 are transversely arranged in the same driving direction of the traveling mechanism 70; the advantage of the arrangement is that the two moving ends of the plate body 6 are prevented from deflecting while the plate body 6 can be driven to move, so that the plate body 6 is prevented from deflecting.
In one embodiment of the present application, as shown in fig. 2, the walking mechanism 70 includes a support bar 700, a support frame 701 and a roller 702, wherein the support bar 700 is installed on the lower surface of the plate body 6, the bottom end of the support bar 700 is rotatably connected with the support frame 701 through a rotation shaft, one end of the roller 702 is connected with a first bearing embedded in the inner wall of the support frame 701, and the other end of the roller 702 is connected with a second bearing embedded in the inner wall of the support frame 701 and penetrates through the second bearing.
In one embodiment of the present application, as shown in fig. 3, the adjusting mechanism 71 may include a collar support 710, a first bevel gear 711, a second bevel gear 712, a first gear 713, a first one-way bearing (one-way bearing is a bearing that can freely rotate in one direction and is locked in the other direction), a motor 715, a second gear 716, and a second one-way bearing 717, wherein the collar support 710 is rotatably connected to an outer wall of the support bar 700, the motor 715 is mounted on an inner wall of the collar support 710, an end of an output shaft of the motor 715 is connected to a third bearing mounted in a surface-embedded manner of the support bar 701, and the first gear 713 is connected to an output shaft of the motor 715 through the second one-way bearing 717, the second bevel gear 712 is fixedly connected to an outer ring gear tooth of the support bar 700 through the first one-way bearing 714, the second bevel gear 711 is meshed with an outer ring gear tooth of the first bevel gear 711, the second gear 716 is fixedly connected to an outer wall of a roller penetrating through a second bearing end, and the gear tooth of the second gear 702 and the first gear 713 is meshed with each other.
It should be noted that, in this embodiment, the free rotation direction and the locking direction of the first unidirectional bearing 714 and the second unidirectional bearing 717 are opposite.
Specifically, in the actual operation process, related personnel rotate through the control motor 715, the output shaft of the motor 715 drives the second bevel gear 712 to rotate through the first one-way bearing 714, the roller 702 rotates under the action of the first bevel gear 711, when the roller 702 rotates to 90 degrees, the motor 715 is turned off, the rolling direction of the roller 702 is 90 degrees with the tensioning direction of the tensioning buffer mechanism 1, and the mobility of the plate 6 in the tensioning direction can be reduced, so that the stability of the plate 6 is improved, the shaking performance of the plate 6 is reduced, and when the output shaft of the motor 715 drives the second bevel gear 712 to rotate through the first one-way bearing 714, the first gear 713 cannot rotate.
The first distance meter 8 measures the distance from the baffle 10 and sends the measured distance value to the controller 5, the controller 5 analyzes the received information, if the measured value exceeds or is lower than a preset threshold range, the controller 5 controls any two transversely arranged adjusting mechanisms 71 in the four adjusting mechanisms 71 to drive the corresponding travelling mechanisms 70 to synchronously travel (at this time, the rollers 702 in the other two travelling mechanisms 70 in the four travelling mechanisms are in a free rolling state), the output shaft of the motor 715 drives the first gear 713 to rotate through the second one-way bearing 717, the first gear 713 drives the rollers 702 to travel through the second gear 716 while rotating, and the controller 5 controls the motor 715 to stop running until the distance between the first distance meter 8 and the baffle 10 is restored to be within the preset threshold range, so that the plate 6 and the tensioning buffer mechanism 1 can be ensured to be on the same horizontal line.
The second distance meter 9 measures the distance from the belt and sends the measured distance value to the controller 5, the controller 5 analyzes the received information, if the measured value exceeds or is lower than a preset threshold range, the controller 5 controls the tension buffer mechanism 1 to reduce the tension force of the plate body 6 (reduce the friction force between the roller frame 11 and the belt, further reduce the damage to the belt, and meanwhile the reduced tension force can be set according to the actual situation), the adjusting mechanism 71 is controlled to drive the travelling mechanism 70 to drive the plate body 6 to travel until the distance between the first distance meter 8 and the baffle 10 is restored to be within the preset threshold range, and then the controller 5 controls the motor 715 to stop running, so that the plate body 6 and the belt can be ensured to be on the same horizontal line, and meanwhile, the tension buffer mechanism 1 is controlled to restore the tension force of the original plate body 6.
As a possible scenario, to reduce damage to the belt during deviation correction of the belt, a program may be programmed into the controller 5, and if the measured value exceeds or falls below a preset threshold range, the controller 5 may simultaneously control the belt conveyor to stop operating, and when the measured value is restored to be within the threshold range, the controller 5 may restart the belt conveyor to operate, thereby avoiding friction with the roller frame 11 during rotation of the belt.
In one embodiment of the present application, as shown in FIG. 2, the diameter of the first gear 713 is smaller than the diameter of the second gear 716; the above arrangement has the advantage that the effect of deceleration can be achieved, and the moving speed of the roller 702 can be reduced, so that the traveling distance of the traveling mechanism 70 can be controlled more accurately.
In one embodiment of the present application, the first distance meter 8 and the second distance meter 9 are both laser distance meters, so that the present application has the characteristics of light weight, small volume, simple operation, high speed, accuracy, etc.
As a possible condition, in order to improve the service life of the belt conveyor, an audible and visual alarm may be installed on the upper surface of the plate body 6, and when the controller 5 determines that the measured value exceeds or is lower than the preset threshold range, the audible and visual alarm is controlled to alarm, relevant personnel are timely reminded to manually perform fine adjustment or overhaul, so that the service life of the belt conveyor is improved.
In summary, the hydraulic tensioning device for the belt conveyor provided by the embodiment of the application can ensure that the plate body 6, the belt and the tensioning buffer mechanism 1 are positioned on the same horizontal line, so that the situation that the belt is deviated and torn off is avoided, the service life of the belt is prolonged, the possibility of belt breakage accidents is reduced, and meanwhile, unnecessary maintenance cost can be avoided.
In the description of this specification, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present application, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
While embodiments of the present application have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the application, and that variations, modifications, alternatives, and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the application.
Claims (3)
1. The hydraulic tensioning device for the belt conveyor is characterized by comprising a tensioning buffer mechanism, a hydraulic station, a prop drawing winch, a tension sensor, a controller, a plate body, four walking adjusting components, a first range finder, a second range finder, a baffle plate and a roller shaft frame, wherein,
the tensioning buffer mechanism is connected with the hydraulic station through an oil guide pipe;
the tensioning buffer mechanism, the prop drawing winch, the plate body and the tension sensor are connected through a steel wire rope;
the four walking adjusting assemblies are symmetrically arranged on the lower surface of the plate body and are used for driving the plate body to move in a preset direction;
the controller, the first range finder and the roller shaft frame are all arranged on the upper surface of the plate body;
the baffle is arranged on the tensioning buffer mechanism;
the first distance meter is used for measuring the distance between the first distance meter and the baffle;
the second range finder is arranged on the roller shaft frame and is used for measuring the distance between the second range finder and a belt arranged on the roller shaft frame;
the controller is respectively connected with the hydraulic station, the prop drawing winch, the tension sensor, the walking adjusting assembly, the first range finder and the second range finder;
the controller is used for controlling the walking adjusting assembly to drive the plate body to move in the preset direction according to the ranging values fed back by the first range finder and the second range finder;
the walking adjusting component comprises a walking mechanism and an adjusting mechanism, wherein,
the running mechanism is arranged on the lower surface of the plate body, and the adjusting mechanism is arranged on the running mechanism and used for driving the running mechanism to run;
the driving directions of the two travelling mechanisms which are transversely arranged are opposite to the driving directions of the other two travelling mechanisms which are transversely arranged, and the driving directions of any two travelling mechanisms which are transversely arranged in the four travelling mechanisms are the same;
the travelling mechanism comprises a supporting rod, a supporting frame and a roller, wherein,
the support rod is arranged on the lower surface of the plate body, and the bottom end of the support rod is rotationally connected with the support frame through a rotating shaft;
one end of the roller is connected with a first bearing embedded in the inner wall of the support frame, and the other end of the roller is connected with a second bearing embedded in the inner wall of the support frame and penetrates through the second bearing;
the adjusting mechanism comprises a lantern ring bracket, a first bevel gear, a second bevel gear, a first one-way bearing, a motor, a second gear and a second one-way bearing, wherein,
the lantern ring support is rotationally connected to the outer wall of the supporting rod;
the motor is arranged on the inner wall of the lantern ring bracket;
the end head of the motor output shaft is connected with a third bearing embedded in the surface of the support frame, and the first gear is connected with the motor output shaft through a second one-way bearing;
the second bevel gear is connected with an output shaft of the motor through a first one-way bearing;
the first bevel gear is fixedly connected to the outer wall of the supporting rod, and the second bevel gear is meshed with outer ring gear teeth of the first bevel gear;
the second gear is fixedly connected to the outer wall of the end head of the roller penetrating through the second bearing, and the outer ring gear teeth of the second gear and the outer ring gear teeth of the first gear are meshed with each other.
2. The hydraulic tensioner for a belt conveyor of claim 1, wherein the diameter of the first gear is smaller than the diameter of the second gear.
3. The hydraulic tensioner for a belt conveyor of claim 1, wherein the first rangefinder and the second rangefinder are both laser rangefinders.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210903544.3A CN115057167B (en) | 2022-07-28 | 2022-07-28 | Hydraulic tensioning device for belt conveyor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210903544.3A CN115057167B (en) | 2022-07-28 | 2022-07-28 | Hydraulic tensioning device for belt conveyor |
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| CN115057167A CN115057167A (en) | 2022-09-16 |
| CN115057167B true CN115057167B (en) | 2023-09-12 |
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