CN116161383A - Chain tension device for detecting compact chain type scraper conveyor - Google Patents
Chain tension device for detecting compact chain type scraper conveyor Download PDFInfo
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- CN116161383A CN116161383A CN202310088122.XA CN202310088122A CN116161383A CN 116161383 A CN116161383 A CN 116161383A CN 202310088122 A CN202310088122 A CN 202310088122A CN 116161383 A CN116161383 A CN 116161383A
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- 230000005540 biological transmission Effects 0.000 claims abstract description 49
- 238000001514 detection method Methods 0.000 claims abstract description 28
- 238000013016 damping Methods 0.000 claims description 21
- 230000001105 regulatory effect Effects 0.000 claims description 15
- 239000003921 oil Substances 0.000 claims description 8
- 244000309464 bull Species 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 6
- 238000010030 laminating Methods 0.000 claims description 5
- 230000006978 adaptation Effects 0.000 claims description 2
- 239000000346 nonvolatile oil Substances 0.000 claims 1
- 230000007774 longterm Effects 0.000 abstract description 3
- 230000000712 assembly Effects 0.000 abstract description 2
- 238000000429 assembly Methods 0.000 abstract description 2
- 239000010720 hydraulic oil Substances 0.000 description 10
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 239000003245 coal Substances 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000005065 mining Methods 0.000 description 4
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- 230000006835 compression Effects 0.000 description 2
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- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
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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
- B65G19/00—Conveyors comprising an impeller or a series of impellers carried by an endless traction element and arranged to move articles or materials over a supporting surface or underlying material, e.g. endless scraper conveyors
- B65G19/18—Details
- B65G19/20—Traction chains, ropes, or cables
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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
-
- 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
- B65G45/00—Lubricating, cleaning, or clearing devices
- B65G45/10—Cleaning devices
- B65G45/18—Cleaning devices comprising brushes
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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
- B65G2203/00—Indexing code relating to control or detection of the articles or the load carriers during conveying
- B65G2203/04—Detection means
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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
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- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
Abstract
The invention discloses a chain tension device for detecting a compact chain type scraper conveyor, and relates to the technical field of scraper conveyor accessories. According to the invention, the scraper chain is arranged, the tension detection assembly and the tension adjustment assembly are respectively arranged at two ends of the interior of the scraper chain, and the tension detection assembly and the tension adjustment assembly can respectively realize detection and adjustment of chain tension, so that normal operation of the scraper conveyor can be ensured, the tension detection assembly converts the tension of the chain into rotation of the pointer by utilizing a hydraulic principle through the piston cylinder, the piston rod and other assemblies, so that the tension of the chain is detected, and the problem of faults caused by overlarge stress can be effectively avoided in a hydraulic tension transmission mode, so that long-term use of the detection device is ensured.
Description
Technical Field
The invention relates to the technical field of scraper conveyor accessories, in particular to a chain tension device for detecting a compact chain type scraper conveyor.
Background
The scraper chain is used for traction, a conveyor conveying bulk materials in a groove is called a scraper conveyor, an adjacent middle groove of the scraper conveyor can be bent to a limited extent in a horizontal plane and a vertical plane, wherein the working face conveyor with a 90-degree bending arrangement at the intersection of a working face and a conveying roadway is called a corner scraper conveyor, and in the current coal mining working face, the scraper conveyor has the functions of conveying coal and materials and also is a running track of the coal mining machine, so that the scraper conveyor becomes an indispensable main device in the modern coal mining process, the scraper conveyor can keep continuous running, production can be normally carried out, otherwise, the whole coal mining working face can be in a stop state, and the whole production is interrupted.
The chain is used as the power transmission component of the scraper conveyor, the working stability of the chain has a decisive influence on the normal use of the scraper conveyor, in order to avoid faults such as chain jump and chain clamping of the scraper conveyor in the working process, tension detection is required on the chain of the scraper conveyor so as to ensure the normal use of the scraper conveyor, a guide wheel is adopted in the traditional technology to detect the chain tension in a manner of matching with a dynamometer, however, as the scraper conveyor is used for conveying materials with larger mass, the chain stress in the working process is larger, and each component in the dynamometer can be damaged due to overlarge long-term stress, so that the detection precision is influenced.
Accordingly, it is desirable to devise a chain tensioner for detecting a compact chain scraper conveyor that solves the above-described problems.
Disclosure of Invention
The invention aims to provide a chain tension device for detecting a compact chain type scraper conveyor, which is used for solving the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the chain tensioning force device for detecting the compact chain type scraper conveyor comprises a frame, a tension detecting component, a tension adjusting component and a scraper chain, wherein the scraper chain is arranged between the tension detecting component and the tension adjusting component, the tension detecting component, the tension adjusting component and the scraper chain are arranged in the frame, and a regulating motor and a hydraulic cylinder are arranged on the frame;
the tension detection assembly comprises a transmission shaft and a fixed pipe, wherein the transmission shaft is arranged at one end of the inside of the frame, the fixed pipe is arranged on the frame, a connecting pipe is further arranged on the fixed pipe, and the connecting pipe is connected with the hydraulic cylinder;
the tension adjusting assembly comprises a movable shaft, the movable shaft is arranged at the other end of the inside of the frame, a double-head screw is arranged on one side of the movable shaft, transmission gears are fixedly arranged at two ends of the double-head screw, and an output end gear of the adjusting motor is meshed with the transmission gears for transmission.
Preferably, the both ends of transmission shaft are all fixed be provided with the drive sprocket of scraper chain looks adaptation, one side of transmission shaft is provided with two movable rods, the both ends of movable rod all round pin axle activity is provided with the linking arm, and the one end swing joint of linking arm through round pin axle and transmission shaft, the both ends of movable rod all have the laminating wheel through bearing swing joint, two the middle part of movable rod has first connecting seat and second connecting seat through round pin axle swing joint respectively, be provided with the movable seat between first connecting seat and the second connecting seat.
Preferably, the fixing base of ". U" -shaped structure is fixedly arranged in the middle of the upper surface of the movable base, the piston cylinder is fixedly arranged in the middle of the upper surface of the fixing base, a piston rod is inserted into the top end of the piston cylinder, an oil guide pipe is fixedly arranged in the middle of the outer side surface of the piston cylinder, one end of the oil guide pipe is communicated with the fixed pipe, an inserting rod of an arc-shaped structure is inserted into the fixed pipe, a rotating rod is arranged on one side of the inserting rod, a connecting block is fixedly arranged on the top end of the rotating rod, and one side of the connecting block is fixedly connected with one end of the inserting rod.
Preferably, one side of bull stick is provided with annular seat, and the fixed lateral wall that sets up in the frame of annular seat, the lateral surface of annular seat is fixed to be provided with the calibrated scale, the fixed pointer that is provided with of one end of bull stick, and the pointer sets up in the outside of calibrated scale.
Preferably, the middle part of the bottom end of the piston cylinder is penetrated and provided with a thread groove, the inside of the thread groove is penetrated and provided with a threaded rod, and the top end of the threaded rod is movably connected with a piston head through a bearing.
Preferably, the extension board that is provided with "L" shape structure is all fixed at the lower surface both ends of first connecting seat, the bottom of extension board runs through and has seted up logical groove, the inside of leading to the groove runs through and is provided with the extension pole, and the extension pole is fixed to be set up in the upper surface one end of second connecting seat, the bottom of extension pole is encircleed and is provided with tension spring, there is positioning nut in the outside bottom of extension pole through threaded connection.
Preferably, the two ends of the movable shaft are movably connected with driven chain wheels through bearings, a fixed block is fixedly arranged in the middle of the movable shaft, damping sliding sleeves are arranged at the two ends of the fixed block, the damping sliding sleeves are connected with the movable shaft in a sleeved mode, and buffer springs are arranged between the damping sliding sleeves and the fixed block.
Preferably, the double-end screw rod is movably connected with the outer side wall of the frame through a bearing, threaded sleeves are sleeved at two ends of the double-end screw rod, a movable arm is movably connected with the middle part of one side of each threaded sleeve through a pin shaft, and one end of each movable arm is movably connected with the damping sliding sleeve through a pin shaft.
Preferably, a driving motor is arranged on one side of the transmission shaft, the driving motor is fixedly arranged at one end of the frame, belt pulleys are fixedly arranged at one ends of the output shaft of the driving motor and the transmission shaft, and a transmission belt is arranged between the two belt pulleys.
Preferably, the pressure sensor is further installed in the fixing tube, the regulating motor is installed on the frame, the controller is further installed on the frame, the controller is electrically connected with the pressure sensor and the regulating motor, and the hairbrush is installed at the output end of the hydraulic cylinder.
The invention has the technical effects and advantages that:
1. according to the invention, the scraper chain is arranged, the tension detection assembly and the tension adjustment assembly are respectively arranged at two ends of the interior of the scraper chain, and the tension detection assembly and the tension adjustment assembly can respectively realize detection and adjustment of chain tension, so that normal operation of the scraper conveyor can be ensured, the tension detection assembly converts the tension of the chain into rotation of a pointer by utilizing a hydraulic principle through the piston cylinder, the piston rod and other assemblies, so that the tension of the chain is detected, and the problem of faults caused by overlarge stress can be effectively avoided in a hydraulic tension transmission mode, so that long-term use of the detection device is ensured;
2. according to the tension detection device, the tension detection assembly is arranged and comprises the piston rod and the piston cylinder, the piston rod and the piston cylinder can respectively transmit tension of the scraper chain through the two attaching wheels, so that transmission of chain tension can be realized, the piston head with adjustable position is arranged in the piston cylinder, the adjustment of the inner space of the piston cylinder can be realized by adjusting the position of the piston head, further, the adjustment of the tension detection range of the device can be realized, and the adjustment of the device during installation is facilitated;
3. according to the invention, the tension adjusting assembly is arranged, the tension adjusting assembly comprises the movable shaft capable of sliding horizontally, the driven chain wheels are arranged at the two ends of the movable shaft, the tension of the chain can be adjusted by adjusting the positions of the driven chain wheels, the two slidable damping sliding sleeves are arranged at the outer sides of the movable shaft, and the buffer springs are arranged at one sides of the damping sliding sleeves, so that when the chain vibrates due to conveying, the buffer springs are matched with the damping sliding sleeves, and the kinetic energy of vibration can be absorbed, thereby avoiding tension change of the chain due to vibration, and further ensuring normal use of the scraper conveyor.
4. According to the invention, the regulating motor, the pressure sensor and the hydraulic cylinder are arranged, the regulating motor and the hydraulic cylinder are controlled through the change of the pressure in the fixed pipe, when the pressure in the fixed pipe is smaller, the scraper chain is in a loose state, the pressure in the fixed pipe is detected through the pressure sensor, then the regulating motor is opened under the control of the controller, so that the transmission gear rotates to tension the scraper chain, when the pressure in the fixed pipe is larger, hydraulic oil in the fixed pipe enters the hydraulic cylinder through the connecting pipe, so that the hairbrush at the output end of the hydraulic cylinder is propped against the scraper chain, and the hairbrush cleans the scraper chain along with the rotation of the scraper chain.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present invention.
Fig. 2 is a schematic diagram showing the positional relationship between the tension detecting assembly and the tension adjusting assembly according to the present invention.
Fig. 3 is a schematic diagram of the structural positional relationship between a frame and a tension detecting assembly according to the present invention.
Fig. 4 is a schematic structural diagram of a tension detecting assembly according to the present invention.
Fig. 5 is a schematic diagram of the structural relationship between a transmission shaft and a movable rod according to the present invention.
Fig. 6 is a schematic view of the piston cylinder structure of the present invention.
Fig. 7 is a schematic view of the structure of the fixing tube of the present invention.
Fig. 8 is a schematic cross-sectional view of the piston cylinder structure of the present invention.
Fig. 9 is a schematic view of a tension adjusting assembly according to the present invention.
Fig. 10 is a schematic diagram of the positional relationship between the motor and the frame structure.
Fig. 11 is a schematic diagram of the structural positional relationship between the hydraulic cylinder, the fixed pipe and the frame.
In the figure: 1. a frame; 2. a tension detection assembly; 3. a tension adjustment assembly; 4. a scraper chain; 5. regulating and controlling a motor; 6. a connecting pipe; 7. a hydraulic cylinder; 201. a transmission shaft; 202. a drive sprocket; 203. a movable rod; 204. a connecting arm; 205. a laminating wheel; 206. a first connection base; 207. a second connecting seat; 208. a movable seat; 209. a fixing seat; 210. a piston cylinder; 211. a piston rod; 212. an oil guide pipe; 213. a fixed tube; 214. a rod; 215. a rotating rod; 216. a connecting block; 217. an annular seat; 218. a dial; 219. a pointer; 220. a thread groove; 221. a threaded rod; 222. a piston head; 223. an extension plate; 224. a through groove; 225. an extension rod; 226. a tension spring; 227. positioning a nut; 228. a driving motor; 229. a belt pulley; 301. a movable shaft; 302. a driven sprocket; 303. a fixed block; 304. damping sliding sleeve; 305. a buffer spring; 306. a double-ended screw; 307. a thread sleeve; 308. a movable arm; 309. a transmission gear.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
The invention provides a chain tension device for detecting a compact chain type scraper conveyor, which is shown in fig. 1 to 9, and comprises a frame 1, a tension detecting component 2, a tension adjusting component 3 and a scraper chain 4, wherein the scraper chain 4 is arranged between the tension detecting component 2 and the tension adjusting component 3, and the tension detecting component 2, the tension adjusting component 3 and the scraper chain 4 are arranged in the frame 1;
the tension detection assembly 2 comprises a transmission shaft 201, wherein the transmission shaft 201 is arranged at one end of the inside of the frame 1;
the two ends of the transmission shaft 201 are fixedly provided with driving chain wheels 202 which are matched with the scraper chain 4, one side of the transmission shaft 201 is provided with two movable rods 203, two ends of each movable rod 203 are movably provided with a connecting arm 204 through pin shafts, one end of each connecting arm 204 is movably connected with one end of the transmission shaft 201 through pin shafts, two ends of each movable rod 203 are movably connected with a laminating wheel 205 through bearings, and the middle parts of the two movable rods 203 are respectively movably connected with a first connecting seat 206 and a second connecting seat 207 through pin shafts;
specifically, the two groups of attaching wheels 205 move under the action of the tension of the scraper chain 4, the two groups of attaching wheels 205 respectively drive the two movable rods 203 to move, and the two movable rods 203 respectively drive the first connecting seat 206 and the second connecting seat 207 to move, so that the tension of the scraper chain 4 can be transmitted, and a movable seat 208 is arranged between the first connecting seat 206 and the second connecting seat 207;
more specifically, a fixing seat 209 with a reverse U-shaped structure is fixedly arranged in the middle of the upper surface of the movable seat 208, a piston cylinder 210 is fixedly arranged in the middle of the upper surface of the fixing seat 209, a piston rod 211 is inserted into the top end of the piston cylinder 210, an oil guide pipe 212 is fixedly arranged in the middle of the outer side surface of the piston cylinder 210, a fixed pipe 213 with an arc-shaped structure is fixedly arranged at one end of the oil guide pipe 212, an inserted rod 214 with an arc-shaped structure is inserted into the fixed pipe 213, a rotating rod 215 is arranged at one side of the inserted rod 214, a connecting block 216 is fixedly arranged at the top end of the rotating rod 215, and one side of the connecting block 216 is fixedly connected with one end of the inserted rod 214;
moreover, an annular seat 217 is arranged on one side of the rotating rod 215, the annular seat 217 is fixedly arranged on the outer side wall of the frame 1, a dial 218 is fixedly arranged on the outer side surface of the annular seat 217, a pointer 219 is fixedly arranged at one end of the rotating rod 215, and the pointer 219 is arranged on the outer side of the dial 218;
moreover, the first connecting seat 206 drives the piston rod 211 to move, the second connecting seat 207 drives the piston cylinder 210 to move, so that the piston rod 211 moves in the piston cylinder 210, hydraulic oil in the piston cylinder 210 is extruded, the hydraulic oil enters the fixed pipe 213 along the oil guide pipe 212, the inserted link 214 in the fixed pipe 213 slides, the inserted link 214 can drive the rotating rod 215 to rotate, the rotating rod 215 drives the pointer 219 to rotate, and the scale on the scale disc 218 corresponding to the pointer 219 is changed, so that tension detection on the scraper chain 4 can be realized;
further, a threaded groove 220 is formed in the middle of the bottom end of the piston cylinder 210 in a penetrating manner, a threaded rod 221 is arranged in the threaded groove 220 in a penetrating manner, a piston head 222 is movably connected to the top end of the threaded rod 221 through a bearing, the threaded rod 221 is rotated to enable the threaded rod 221 to drive the piston head 222 to move, when the piston head 222 moves in the piston cylinder 210, the space in the piston cylinder 210 can be adjusted, so that the initial position of a pointer 219 can be adjusted, and further adjustment of the tension detection assembly 2 can be achieved;
furthermore, the two ends of the lower surface of the first connecting seat 206 are fixedly provided with the extending plates 223 with an L-shaped structure, the bottom ends of the extending plates 223 are provided with through grooves 224 in a penetrating manner, the inside of each through groove 224 is provided with an extending rod 225 in a penetrating manner, the extending rods 225 are fixedly arranged at one end of the upper surface of the second connecting seat 207, the bottom ends of the extending rods 225 are provided with tension springs 226 in a surrounding manner, the outer bottom ends of the extending rods 225 are connected with positioning nuts 227 through threads, the positions of the movable seats 208 can be adjusted through rotating the positioning nuts 227, so that the initial positions between the piston rods 211 and the piston cylinders 210 can be adjusted, meanwhile, when the movable seats 208 move, the compression condition of the tension springs 226 can be adjusted, and therefore the tension adjustment of the tension springs 226 can be realized, the arrangement of the tension springs 226 ensures that the two attaching wheels 205 can be attached to the scraper chain 4, and the tension transmission effect of the attaching wheels 205 is ensured;
a driving motor 228 is arranged on one side of the transmission shaft 201, the driving motor 228 is fixedly arranged at one end of the frame 1, a belt pulley 229 is fixedly arranged at both the output shaft of the driving motor 228 and one end of the transmission shaft 201, and a transmission belt is arranged between the two belt pulleys 229;
the tension adjusting assembly 3 comprises a movable shaft 301, wherein the movable shaft 301 is arranged at the other end of the interior of the frame 1;
specifically, the two ends of the movable shaft 301 are movably connected with the driven sprocket 302 through bearings, the middle part of the movable shaft 301 is fixedly provided with the fixed block 303, the two ends of the fixed block 303 are respectively provided with the damping sliding sleeve 304, the damping sliding sleeve 304 is connected with the movable shaft 301 in a sleeved mode, the damping sliding sleeve 304 is provided with the buffer spring 305 with the fixed block 303, the damping sliding sleeve 304 is matched with the buffer spring 305, vibration kinetic energy generated by the scraper chain 4 due to conveying materials can be absorbed and counteracted, and accordingly tension change of the scraper chain 4 due to vibration is avoided, and normal use of the scraper conveyor is guaranteed;
more specifically, a double-end screw 306 is arranged on one side of the movable shaft 301, the double-end screw 306 is movably connected with the outer side wall of the rack 1 through a bearing, threaded sleeves 307 are sleeved at two ends of the double-end screw 306, a movable arm 308 is movably connected with one middle part of one side of the threaded sleeve 307 through a pin shaft, one end of the movable arm 308 is movably connected with the damping sliding sleeve 304 through a pin shaft, a transmission gear 309 is fixedly arranged at two ends of the double-end screw 306, the double-end screw 306 rotates through the transmission gear 309, at the moment, the two threaded sleeves 307 relatively move, the threaded sleeves 307 can drive the damping sliding sleeve 304 to slide through the movable arm 308, and when the damping sliding sleeve 304 slides on the outer side of the movable shaft 301, the movable shaft 301 can horizontally slide along a sliding groove on the rack 1, and the movable shaft 301 drives the driven sprocket 302 to slide, so that 4-tension adjustment of the scraper chain can be realized.
When the tension detection device is used for detecting the tension of the chain of the scraper conveyor, the tension detection component 2 transmits the tension of the scraper chain 4 to the piston rod 211 and the piston cylinder 210 in the working process, hydraulic oil in the piston cylinder 210 can transmit the tension to the fixed pipe 213, so that the inserted link 214 in the fixed pipe 213 drives the rotating rod 215 to rotate, the position between the pointer 219 and the dial 218 is further changed, the tension detection of the scraper chain 4 can be realized, and in operation, the tension of the scraper chain 4 can be adjusted by adjusting the position of the movable shaft 301 in the tension adjustment component 3, so that the stable operation of the scraper conveyor can be ensured;
when the tension detection assembly 2 detects the tension of the scraper chain 4, the driving sprocket 202 can drive the scraper chain 4 to rotate, at this time, the scraper chain 4 acts on the attaching wheels 205, the two groups of attaching wheels 205 move under the tension of the scraper chain 4, the two groups of attaching wheels 205 respectively drive the two movable rods 203 to move, the two movable rods 203 respectively drive the first connecting seat 206 and the second connecting seat 207, the first connecting seat 206 drives the piston rod 211 to move, the second connecting seat 207 drives the piston cylinder 210 to move, the piston rod 211 moves in the piston cylinder 210, hydraulic oil in the piston cylinder 210 is extruded, the hydraulic oil enters the fixed pipe 213 along the oil guide pipe 212, the inserting rod 214 in the fixed pipe 213 slides, the inserting rod 214 can drive the rotating rod 215 to rotate, the rotating rod 215 drives the pointer 219 to rotate, scales on the dial 218 corresponding to the pointer 219 change, and tension detection of the scraper chain 4 can be realized;
when tension detection is carried out on the scraper chain 4, the threaded rod 221 is rotated, so that the threaded rod 221 drives the piston head 222 to move, when the piston head 222 moves in the piston cylinder 210, the space in the piston cylinder 210 can be adjusted, the initial position of the pointer 219 can be adjusted, and further, adjustment of the tension detection assembly 2 can be realized, the position of the movable seat 208 can be adjusted through rotating the positioning nut 227, the initial position between the piston rod 211 and the piston cylinder 210 can be adjusted, meanwhile, when the movable seat 208 moves, the compression condition of the tension spring 226 can be adjusted, adjustment of the tension spring 226 can be realized, and the arrangement of the tension spring 226 ensures that the two attaching wheels 205 can be attached to the scraper chain 4, so that the transmission effect of the tension by the attaching wheels 205 is ensured;
when the tension of the scraper chain 4 is adjusted, the double-headed screw 306 is rotated by rotating the transmission gear 309, at this time, the two threaded sleeves 307 are relatively moved, the threaded sleeves 307 can drive the damping sliding sleeve 304 to slide through the movable arm 308, and when the damping sliding sleeve 304 slides outside the movable shaft 301, the movable shaft 301 can horizontally slide along the sliding groove on the frame 1, and the movable shaft 301 drives the driven sprocket 302 to slide, so that the tension of the scraper chain 4 can be adjusted.
Example 2
Based on the chain tension device for detecting a compact chain type scraper conveyor provided in embodiment 1, in the actual use process, when the scraper chain 4 is tensioned, a worker needs to rotate the transmission gear 309 according to the reading of the pointer 219, the process is tedious and difficult to carry out in real time, meanwhile, the scraper chain 4 is easy to be stained with sundries in the operation process, and the cleaning process of the scraper chain 4 is cumbersome, so the following technical scheme is proposed:
as shown in fig. 1 to 11, a chain tension device for detecting a compact chain type scraper conveyor is provided, a pressure sensor is further installed in a fixing tube 213, a regulating motor 5 is installed on a frame 1, an output end gear of the regulating motor 5 is meshed with a transmission gear 309 for transmission, a controller is further installed on the frame 1 and is electrically connected with the pressure sensor and the regulating motor 5, when the pressure in the fixing tube 213 is reduced to a minimum value set by the controller, the pressure sensor is used for detecting the pressure in the fixing tube 213, at this time, the controller judges that the scraper chain 4 is in a loose state, then the regulating motor 5 is opened under the control of the controller, so that the transmission gear 309 is rotated to tension the scraper chain 4, when the pressure in the fixing tube 213 is increased to a maximum value set by the controller, the pressure sensor is used for detecting the pressure in the fixing tube 213, at this time, the controller judges that the scraper chain 4 is in a tight state, and then the regulating motor 5 is reversed under the control of the controller, so that the transmission gear 309 is reversely rotated to loosen the scraper chain 4.
Still install connecting pipe 6 on the fixed pipe 213, connecting pipe 6 is connected with pneumatic cylinder 7, pneumatic cylinder 7 is installed in frame 1, the brush is installed to the output of pneumatic cylinder 7, when the pressure begins to increase in fixed pipe 213, half of the hydraulic oil in the fixed pipe 213 enters into pneumatic cylinder 7 through connecting pipe 6, the other half hydraulic oil in the fixed pipe 213 continues the removal of drive inserted bar 214, thereby guarantee the accuracy of pointer 219, along with the pressure in the fixed pipe 213 continuously increases, the pointer 219 rotates thereupon, simultaneously the brush of pneumatic cylinder 7 output supports on the scraper chain 4, along with the rotation of scraper chain 4, the brush is cleared up scraper chain 4, at this moment can carry out the direct judgement of the tensioning degree of scraper chain 4 through the reading of pointer 219, also can judge the tensioning degree of scraper chain 4 through the laminating clearance effect of brush and scraper chain 4 indirectly, and along with the tensioning of scraper chain 4, the brush begins to laminate with scraper chain 4, the damage of brush has been avoided scraper chain 4 to be in the vibrations under the loose state and has led to the damage of brush.
When the device is used, when the pressure in the fixed pipe 213 is reduced to the lowest value set by the controller, the pressure sensor is used for detecting the pressure in the fixed pipe 213, at the moment, the controller judges that the scraper chain 4 is in a loose state, then the regulating motor 5 is opened under the control of the controller, so that the transmission gear 309 rotates to tension the scraper chain 4, when the pressure in the fixed pipe 213 is increased to the maximum value set by the controller, the pressure sensor is used for detecting the pressure in the fixed pipe 213, at the moment, the controller judges that the scraper chain 4 is in a tight state, then the regulating motor 5 is reversed under the control of the controller, so that the transmission gear 309 reversely rotates to loosen the scraper chain 4, at the same time, when the pressure in the fixed pipe 213 begins to be increased, half of hydraulic oil in the fixed pipe 213 enters into the hydraulic cylinder 7 through the connecting pipe 6, the other half of hydraulic oil in the fixed pipe 213 continuously drives the inserted rod 214, so that the pointer 219 is ensured to be accurate, the pointer 219 continuously increases along with the pressure in the fixed pipe 213, at the moment, the pointer 219 rotates along with the time, the brush at the output end of the hydraulic cylinder 7 is abutted against the scraper chain 4, along with the rotation of the scraper chain 4, the scraper chain 4 is in a tight state, the condition of the scraper chain can be directly attached to the scraper chain 4, the brush can be cleaned by the brush 4, and the brush chain can be directly attached to the scraper chain 4, the brush chain can be prevented from being damaged, and the brush chain 4 can be directly and the condition has been judged, and the brush chain 4 is directly has been damaged, and the brush chain is in the condition, and the condition has been directly and the tensile condition has been stretched.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present invention, and 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, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present invention.
Claims (10)
1. The chain tension device for detecting the compact chain type scraper conveyor is characterized by comprising a frame (1), a tension detecting component (2), a tension adjusting component (3) and a scraper chain (4), wherein the scraper chain (4) is arranged between the tension detecting component (2) and the tension adjusting component (3), the tension detecting component (2), the tension adjusting component (3) and the scraper chain (4) are arranged in the frame (1), a regulating motor (5) and a hydraulic cylinder (7) are arranged on the frame (1), and a hairbrush is arranged at the output end of the hydraulic cylinder (7);
the tension detection assembly (2) comprises a transmission shaft (201) and a fixed pipe (213), the transmission shaft (201) is arranged at one end of the inside of the frame (1), the fixed pipe (213) is arranged on the frame (1), a connecting pipe (6) is further arranged on the fixed pipe (213), and the connecting pipe (6) is connected with the hydraulic cylinder (7);
the tension adjusting assembly (3) comprises a movable shaft (301), the movable shaft (301) is arranged at the other end of the interior of the frame (1), a double-head screw (306) is arranged on one side of the movable shaft (301), transmission gears (309) are fixedly arranged at two ends of the double-head screw (306), and an output end gear of the adjusting motor (5) is meshed with the transmission gears (309).
2. A chain tension device for detecting a compact chain scraper conveyor according to claim 1, wherein: the utility model discloses a scraper chain (4) drive sprocket, including transmission shaft (201), connecting arm (204) are all fixed drive sprocket (202) that are provided with scraper chain (4) looks adaptation in both ends of transmission shaft (201), one side of transmission shaft (201) is provided with two movable rods (203), the both ends of movable rod (203) all round pin axle activity is provided with linking arm (204), and the one end swing joint of linking arm (204) through round pin axle and transmission shaft (201), the both ends of movable rod (203) all have laminating wheel (205) through bearing swing joint, two the middle part of movable rod (203) has first connecting seat (206) and second connecting seat (207) through round pin axle swing joint respectively, be provided with movable seat (208) between first connecting seat (206) and second connecting seat (207).
3. A chain tension device for detecting a compact chain scraper conveyor according to claim 2, wherein: fixed fixing base (209) that are provided with "% U" shape structure in the middle part of the upper surface of movable seat (208), the fixed piston cylinder (210) that is provided with in upper surface middle part of fixing base (209), piston rod (211) are pegged graft on the top of piston cylinder (210), the fixed oil pipe (212) that is provided with in lateral surface middle part of piston cylinder (210), the one end and the fixed pipe (213) intercommunication of oil pipe (212), the inside grafting of fixed pipe (213) has inserted bar (214) of arc structure, one side of inserted bar (214) is provided with bull stick (215), the fixed connecting block (216) that is provided with in top of bull stick (215), and one side of connecting block (216) and the one end fixed connection of inserted bar (214).
4. A chain tensioner for detecting a compact chain scraper conveyor according to claim 3, characterized in that: one side of bull stick (215) is provided with annular seat (217), and annular seat (217) are fixed to be set up in the lateral wall of frame (1), the lateral surface of annular seat (217) is fixed to be provided with calibrated scale (218), the one end of bull stick (215) is fixed to be provided with pointer (219), and pointer (219) set up in the outside of calibrated scale (218).
5. A chain tensioner for detecting a compact chain scraper conveyor according to claim 3, characterized in that: the middle part of the bottom end of the piston cylinder (210) is penetrated and provided with a thread groove (220), the inside of the thread groove (220) is penetrated and provided with a threaded rod (221), and the top end of the threaded rod (221) is movably connected with a piston head (222) through a bearing.
6. A chain tension device for detecting a compact chain scraper conveyor according to claim 2, wherein: the extension board (223) that are provided with "L" shape structure is all fixed at the lower surface both ends of first connecting seat (206), logical groove (224) has been run through to the bottom of extension board (223), the inside of leading to groove (224) runs through and is provided with extension pole (225), and extension pole (225) are fixed to be set up in the upper surface one end of second connecting seat (207), the bottom of extension pole (225) is encircleed and is provided with tension spring (226), the outside bottom of extension pole (225) is through threaded connection has positioning nut (227).
7. A chain tensioner for detecting a compact chain scraper conveyor according to claim 3, characterized in that: both ends of loose axle (301) all are connected with driven sprocket (302) through bearing swing joint, the fixed block (303) that is provided with in middle part of loose axle (301), the both ends of fixed block (303) all are provided with damping sliding sleeve (304), and damping sliding sleeve (304) are connected with loose axle (301) cup joints, be provided with buffer spring (305) between damping sliding sleeve (304) and fixed block (303).
8. A chain tension device for detecting a compact chain scraper conveyor according to claim 7, wherein: the double-end screw rod (306) is movably connected with the outer side wall of the frame (1) through a bearing, threaded sleeves (307) are sleeved at two ends of the double-end screw rod (306), a movable arm (308) is movably connected with the middle part of one side of each threaded sleeve (307) through a pin shaft, and one end of each movable arm (308) is movably connected with the damping sliding sleeve (304) through a pin shaft.
9. A chain tension device for detecting a compact chain scraper conveyor according to claim 1, wherein: one side of transmission shaft (201) is provided with driving motor (228), and driving motor (228) fixed setting and the one end of frame (1), the output shaft of driving motor (228) and the one end of transmission shaft (201) are all fixed to be provided with belt pulley (229), two be provided with driving belt between belt pulley (229).
10. A chain tension device for detecting a compact chain scraper conveyor according to claim 8, wherein: the pressure sensor is further arranged in the fixing tube (213), the regulation motor (5) is arranged on the frame (1), the controller is further arranged on the frame (1), and the controller is electrically connected with the pressure sensor and the regulation motor (5).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310010216 | 2023-01-03 | ||
| CN2023100102165 | 2023-01-03 |
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| Publication Number | Publication Date |
|---|---|
| CN116161383A true CN116161383A (en) | 2023-05-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310088122.XA Pending CN116161383A (en) | 2023-01-03 | 2023-02-08 | Chain tension device for detecting compact chain type scraper conveyor |
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| CN (1) | CN116161383A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117686205A (en) * | 2023-12-12 | 2024-03-12 | 山东丰源宏科装备科技有限公司 | Scraper conveyor assembly performance detection equipment |
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2023
- 2023-02-08 CN CN202310088122.XA patent/CN116161383A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117686205A (en) * | 2023-12-12 | 2024-03-12 | 山东丰源宏科装备科技有限公司 | Scraper conveyor assembly performance detection equipment |
| CN117686205B (en) * | 2023-12-12 | 2024-05-14 | 山东丰源宏科装备科技有限公司 | Scraper conveyor assembly performance detection equipment |
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