A belt clamping device for a coal mine belt conveyor

Abstract

The present invention relates to the technical field of coal mine conveying, and discloses a tape clamping device for a coal mine belt conveyor, including a frame. A support roller is fixedly connected to the upper surface of the frame, and a conveying belt is drivingly connected to the circumferential surface of the support roller. Adjusting devices for adjusting the position of the clamping device are fixedly connected to both sides of the frame. A reinforcement device for adjusting the clamping force is arranged above the frame. Telescopic sliding rods are arranged on both sides of the frame. In the present invention, the upper clamping arm and the lower clamping arm cooperate to fix the conveying belt, improving the safety during the cutting and removal of the conveying belt. The toggle link pulls the upper clamping arm to reset and be parallel to the telescopic sliding rod, thus not affecting the conveying of coal by the conveying belt. When the sliding convex shaft I rises and falls, it can quickly drive the toggle link and the upper clamping arm to unfold or reset, without manual adjustment, improving the convenience of use of the device.

Description

Technical Field

[0001] The present invention relates to the technical field of coal mine conveying, and specifically relates to a belt clamping device for a coal mine belt conveyor. Background Art

[0002] The belt clamping device of a belt conveyor is an important component for fixing and clamping the conveyor belt to ensure its stability during operation. This device is usually installed at key positions of the belt conveyor to ensure the normal operation of the conveyor belt and the safe transmission of materials. In the prior art, it is necessary to adjust the clamping device through screws to clamp the conveyor belt, and the operation is not convenient enough.

[0003] The patent with the publication number CN215804692U discloses a belt clamping device for a coal mine belt conveyor. The patent includes a conveyor longitudinal beam, an upper clamping plate, and a lower clamping plate. The top surface and the bottom surface of the conveyor longitudinal beam are respectively detachably and fixedly connected with an upper fixing plate and a lower fixing plate. The top surface of the upper fixing plate is fixedly connected with an upper bracket in the vertical direction, and the bottom surface of the lower fixing plate is fixedly connected with a lower bracket in the vertical direction. A vertical screw rod is fixedly connected between the upper bracket and the lower bracket in the vertical direction. The front ends of the upper clamping plate and the lower clamping plate are respectively rotatably sleeved with rotating threaded sleeves, and the rotating threaded sleeves are respectively threadedly sleeved on the top and the bottom of the vertical screw rod. The rear end of the upper clamping plate is threadedly sleeved with a connecting screw rod in the vertical direction, and a threaded through hole matching the threaded connection of the connecting screw rod is opened at the rear end of the lower clamping plate, which solves the problem that the belt clamping device used in a mine belt conveyor is not convenient for safe operation. Although this patent solves the above problems, there is still the problem that the operation is not convenient enough. Therefore, a belt clamping device for a coal mine belt conveyor is proposed to solve the above-mentioned problems. Summary of the Invention

[0004] The technical problem to be solved by the present invention is to provide a belt clamping device for a coal mine belt conveyor in view of the above deficiencies in the prior art.

[0005] To solve the above technical problems, the technical solution adopted by the present invention is as follows: A tape clamping device for a coal mine belt conveyor, including a frame, a support roller is fixedly connected to the upper surface of the frame, a conveyor belt is drivingly connected to the circumferential surface of the support roller, adjustment devices for adjusting the position of the clamping device are fixedly connected to both sides of the frame, a reinforcement device for adjusting the clamping force is arranged above the frame, telescopic sliding rods are arranged on both sides of the frame, upper clamping arms are hinged to the front and rear sides of the telescopic sliding rods, a lower clamping arm is fixedly connected to one side of the telescopic sliding rod close to the frame, an electric telescopic rod is fixedly connected to the top surface of the inner wall of the telescopic sliding rod, a lifting slider is fixedly connected to the bottom end of the electric telescopic rod, sliding convex shafts I are fixedly connected to the front and rear sides of the lifting slider, sliding grooves I are formed in the front and rear sides of the telescopic sliding rod, a toggle link is hinged to the circumferential surface of the sliding convex shaft I, a transmission shaft is hinged to the inner surface of one end of the upper clamping arm far from the frame, the lifting slider is slidably connected to the inner wall of the telescopic sliding rod, the circumferential surface of the sliding convex shaft I is slidably connected to the inner surface of the sliding groove I, the circumferential surface of the transmission shaft is hinged to the toggle link. When it is necessary to cut and remove the conveyor belt, start the electric telescopic rod. The free end of the electric telescopic rod moves upward, driving the lifting slider to move upward. The lifting slider drives the sliding convex shaft I to slide upward in the sliding groove I. When the sliding convex shaft I moves upward, it pushes the toggle link to tilt. When the toggle link tilts, it pushes the upper clamping arm to rotate along its hinge joint with the telescopic sliding rod and then contact the upper surface of the conveyor belt, so that the upper clamping arm and the lower clamping arm cooperate to fix the conveyor belt. When it is not necessary to remove the conveyor belt, the electric telescopic rod drives the lifting slider to slide downward, the lifting slider drives the sliding convex shaft I to descend, the sliding convex shaft I pulls the toggle link to reset and be parallel to the telescopic sliding rod, the toggle link pulls the upper clamping arm to reset and be parallel to the telescopic sliding rod, and when the lifting slider and the sliding convex shaft I rise and fall, they can quickly drive the toggle link and the upper clamping arm to unfold or reset.

[0006] Preferably, the adjusting device includes a slide rail fixedly connected to both sides of the frame. A translation slider is slidably connected to the inner surface of the slide rail. A telescopic sleeve rod is fixedly connected to the side of the translation slider away from the frame. A positioning shaft is fixedly connected to the side of the telescopic sleeve rod close to the frame. A positioning screw is threadedly connected to the inner surface of the positioning shaft. First positioning holes are formed in the upper and lower sides of the slide rail. The adjusting device further includes second positioning holes formed in the front and rear sides of the telescopic sleeve rod. A lifting link is fixedly connected to the lower surface of the lifting slider. An L-shaped baffle is fixedly connected to the bottom end of the lifting link. A first telescopic sleeve shaft is fixedly connected to the bottom surface of the inner wall of the telescopic slide rod. A first clamping shaft is slidably connected to the inner surface of the first telescopic sleeve shaft. A transmission slider is fixedly connected to the circumferential surface of the lifting link. The transmission slider is slidably connected to the inner wall of the telescopic slide rod. The L-shaped baffle is slidably connected to the inner wall of the telescopic slide rod. A first spring is arranged between the first clamping shaft and the inner wall of the telescopic slide rod. A jack is formed inside the translation slider. Before starting the electric telescopic rod, the telescopic sleeve rod is driven to slide back and forth on the slide rail by the translation slider, and then the telescopic slide rod is driven to move back and forth by the telescopic sleeve rod. When the translation slider stops and the jack is aligned with the first positioning hole, the positioning screw is rotated. The positioning screw rotates downward and is inserted into the first positioning hole and the jack through threaded connection with the positioning shaft, thereby locking the translation slider and the slide rail. The telescopic slide rod is pulled to slide up and down inside the telescopic sleeve rod, thereby changing the height of the clamping device. After the height of the telescopic slide rod is adjusted, the electric telescopic rod is started. The electric telescopic rod drives the lifting slider to rise. The lifting slider drives the lifting link to rise. The lifting link drives the L-shaped baffle to rise. After the L-shaped baffle rises, the first clamping shaft loses contact, and then pops out from the first telescopic sleeve shaft outward by the elastic force of the first spring and is inserted into the second positioning hole to lock the telescopic slide rod and the telescopic sleeve rod.

[0007] Preferably, the reinforcement device includes a first adjustment block, the first adjustment block is hinged to one end of the upper clamping arm close to the frame, a upper clamping plate is fixedly connected to the bottom end of the first adjustment block, a second adjustment block is hinged to one end of the lower clamping arm close to the frame, a lower clamping plate is fixedly connected to the top end of the second adjustment block, threaded convex shafts are fixedly connected to the front and rear sides of the upper clamping arm, a compression nut is threadedly connected to the circumferential surface of the threaded convex shaft, the reinforcement device further includes a sliding convex shaft II, the sliding convex shaft II is fixedly connected to the side of the transmission slider close to the lower clamping arm, a chute II is opened on the side of the telescopic slide rod close to the frame, a trapezoidal positioning block is fixedly connected to one end of the sliding convex shaft II away from the transmission slider, a telescopic sleeve shaft II is fixedly connected to the upper surface of the lower clamping arm, a clamping shaft II is slidably connected to the inner surface of the telescopic sleeve shaft II, the front and rear sides of the lower clamping arm are fixedly connected to the threaded convex shaft, a spring II is arranged between the clamping shaft II and the inner surface of the telescopic sleeve shaft II, the clamping shaft II slidably penetrates into the inner side of the trapezoidal positioning block, and the trapezoidal positioning block slides through the lower surface of the lower clamping arm and penetrates out of the upper surface of the lower clamping arm. After the upper clamping arm and the lower clamping arm clamp the conveyor belt, rotate the first adjustment block and the second adjustment block, so as to drive the upper clamping plate and the lower clamping plate to fit with the outer surface and the inner surface of the conveyor belt. Rotate the compression nut to make the compression nut close to the upper clamping arm and the lower clamping arm. After being squeezed by the compression nut, the gap between the upper clamping arm and the lower clamping arm and the first adjustment block and the second adjustment block decreases. The lifting connecting rod rises to drive the transmission slider to slide up in the telescopic slide rod. The transmission slider drives the sliding convex shaft II to slide up in the chute II. The sliding convex shaft II drives the trapezoidal positioning block to rise and insert into the lower clamping arm. When the inclined surface of the trapezoidal positioning block contacts the arc surface of the clamping shaft II, the clamping shaft II is pushed to slide and contract into the telescopic sleeve shaft II through the guiding of the inclined surface. When the slot hole opened on the trapezoidal positioning block is aligned with the clamping shaft II, the clamping shaft II pops out of the telescopic sleeve shaft II under the influence of the elastic force of the spring II and inserts into the trapezoidal positioning block, thereby locking the support structures such as the lifting slider and the toggle link.

[0008] The present invention adopts the above technical solutions and can bring the following beneficial effects:

[0009] 1. For the belt clamping device of the coal mine belt conveyor, the upper clamping arm and the lower clamping arm cooperate to fix the conveyor belt, improving the safety during the cutting and removal of the conveyor belt. The toggle link pulls the upper clamping arm to reset and be parallel to the telescopic slide rod, thus not affecting the conveyance of coal by the conveyor belt. When the sliding convex shaft I rises and falls, it can quickly drive the toggle link and the upper clamping arm to unfold or reset, without manual adjustment, improving the convenience of use of the device.

[0010] 2. The belt clamping device for a coal mine belt conveyor. The telescopic sleeve rod drives the telescopic slide rod to move back and forth, thereby driving the clamping device to change its position, facilitating the clamping of conveyor belts of different lengths, improving the applicability of the device. The positioning screw rotates downward and inserts into the first positioning hole and the jack through threaded connection with the positioning shaft, thereby locking the translation slider and the slide rail, improving the stability of the device after adjustment.

[0011] 3. The belt clamping device for a coal mine belt conveyor. The telescopic slide rod slides up and down within the telescopic sleeve rod, thereby changing the height of the clamping device, and further clamping conveyor belts of different heights, further improving the applicability of the device. The first clamping shaft pops out of the first telescopic sleeve shaft outward under the elastic force of the first spring and inserts into the second positioning hole to lock the telescopic slide rod and the telescopic sleeve rod, further improving the stability of the device after adjustment.

[0012] 4. The belt clamping device for a coal mine belt conveyor. Rotate the first adjusting block and the second adjusting block, thereby driving the upper clamping plate and the lower clamping plate to fit the outer surface and the inner surface of the conveyor belt, increasing the clamping area of the device. The compression nut squeezes the upper clamping arm and the lower clamping arm, making the first adjusting block and the second adjusting block unable to rotate, preventing the upper clamping plate and the lower clamping plate from loosening, and improving the clamping force.

[0013] 5. The belt clamping device for a coal mine belt conveyor. The second clamping shaft pops out of the second telescopic sleeve shaft under the influence of the elastic force of the second spring and inserts into the trapezoidal positioning block to lock the lifting slider and the support structures such as the toggle link, improving the support stability, and further improving the clamping force of the upper clamping arm. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is the overall three-dimensional structure diagram of the present invention;

[0015] Figure 2 is the front three-dimensional structure diagram of the frame of the present invention;

[0016] Figure 3 is of the present invention Figure 2 the enlarged structure diagram of A in;

[0017] Figure 4 is the front sectional three-dimensional structure diagram of the adjusting device of the present invention;

[0018] Figure 5 is of the present invention Figure 4 the enlarged structure diagram of B in;

[0019] Figure 6 is of the present invention Figure 4 the enlarged structure diagram of C in;

[0020] Figure 7Schematic diagram of the three-dimensional structure of the front side section of the reinforcement device of the present invention;

[0021] Figure 8 For the present invention Figure 7 Enlarged structural schematic diagram of D in it.

[0022] In the figure: 1, frame; 2, support roller; 3, conveyor belt; 4, adjusting device; 41, slide rail; 42, translation slider; 43, telescopic sleeve rod; 44, positioning shaft; 45, positioning screw; 46, first positioning hole; 47, second positioning hole; 48, lifting connecting rod; 49, L-shaped baffle; 410, first telescopic sleeve shaft; 411, first clamping shaft; 412, driving slider; 5, telescopic slide rod; 6, upper clamping arm; 7, lower clamping arm; 8, electric telescopic rod; 9, lifting slider; 10, first sliding convex shaft; 11, first chute; 12, toggle link; 13, transmission shaft; 14, reinforcement device; 141, first adjusting block; 142, upper clamping plate; 143, second adjusting block; 144, lower clamping plate; 145, threaded convex shaft; 146, compression nut; 147, second sliding convex shaft; 148, second chute; 149, trapezoidal positioning block; 1410, second telescopic sleeve shaft; 1411, second clamping shaft. Specific embodiments

[0023] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0024] Please refer to Figures 1 - 8, an embodiment of the present invention is: a belt clamping device for a coal mine belt conveyor, including a frame 1. A support roller 2 is fixedly connected to the upper surface of the frame 1. A conveyor belt 3 is drivingly connected to the circumferential surface of the support roller 2. Adjusting devices 4 for adjusting the position of the clamping device are fixedly connected to both sides of the frame 1. A reinforcement device 14 for adjusting the clamping force is arranged above the frame 1. The telescopic sleeve rod 43 drives the telescopic slide rod 5 to move back and forth, thereby driving the clamping device to change its position, facilitating the clamping of conveyor belts 3 of different lengths, and improving the applicability of the device. Telescopic slide rods 5 are arranged on both sides of the frame 1. Upper clamping arms 6 are hinged to the front and rear sides of the telescopic slide rods 5. A lower clamping arm 7 is fixedly connected to the side of the telescopic slide rod 5 close to the frame 1. An electric telescopic rod 8 is fixedly connected to the top surface of the inner wall of the telescopic slide rod 5. The bottom end of the electric telescopic rod 8 is fixedly connected to a lifting slider 9. Sliding convex shafts 1 are fixedly connected to the front and rear sides of the lifting slider 9. Chutes 11 are formed on the front and rear sides of the telescopic slide rod 5. A toggle link 12 is hinged to the circumferential surface of the sliding convex shaft 1. A transmission shaft 13 is hinged to the inner surface of the end of the upper clamping arm 6 far from the frame 1. The lifting slider 9 is slidably connected to the inner wall of the telescopic slide rod 5. The circumferential surface of the sliding convex shaft 1 is slidably connected to the inner surface of the chute 11. The circumferential surface of the transmission shaft 13 is hinged to the toggle link 12. The positioning screw 45 rotates downward and inserts into the positioning hole 46 and the jack by being threadedly connected to the positioning shaft 44, thereby locking the translation slider 42 and the slide rail 41, improving the stability of the device after adjustment.

[0025] Working principle: When it is necessary to cut and remove the conveyor belt 3, the electric telescopic rod 8 is started. The free end of the electric telescopic rod 8 moves upward, driving the lifting slider 9 to move upward. The lifting slider 9 drives the sliding convex shaft 1 to slide upward in the chute 11. When the sliding convex shaft 1 moves upward, it pushes the toggle link 12 to tilt. When the toggle link 12 tilts, it pushes the upper clamping arm 6 to rotate along its hinge with the telescopic slide rod 5 and then contact the upper surface of the conveyor belt 3, so that the upper clamping arm 6 and the lower clamping arm 7 cooperate to fix the conveyor belt 3, improving the safety during the cutting and removal of the conveyor belt 3. When it is not necessary to remove the conveyor belt 3, the electric telescopic rod 8 drives the lifting slider 9 to slide downward. The lifting slider 9 drives the sliding convex shaft 1 to descend. The sliding convex shaft 1 pulls the toggle link 12 to reset and be parallel to the telescopic slide rod 5. The toggle link 12 pulls the upper clamping arm 6 to reset and be parallel to the telescopic slide rod 5, thus not affecting the transportation of coal by the conveyor belt 3. Moreover, when the lifting slider 9 and the sliding convex shaft 1 rise and fall, they can quickly drive the toggle link 12 and the upper clamping arm 6 to unfold or reset, without manual adjustment, improving the convenience of using the device.

[0026] Please refer to Figures 1 - 8, on the basis of the above embodiments, in another embodiment of the present invention, the adjusting device 4 includes a slide rail 41, the slide rail 41 is fixedly connected to both sides of the frame 1, a translation slider 42 is slidably connected to the inner surface of the slide rail 41, a telescopic sleeve rod 43 is fixedly connected to the side of the translation slider 42 away from the frame 1, a positioning shaft 44 is fixedly connected to the side of the telescopic sleeve rod 43 close to the frame 1, a positioning screw 45 is threadedly connected to the inner surface of the positioning shaft 44, positioning holes one 46 are opened on the upper and lower sides of the slide rail 41, the telescopic sleeve rod 43 drives the telescopic slide rod 5 to move back and forth, thereby driving the clamping device to change its position, facilitating the clamping of conveyor belts 3 of different lengths, improving the applicability of the device. The positioning screw 45 rotates downward and inserts into the positioning hole one 46 and the jack through threaded connection with the positioning shaft 44, thereby locking the translation slider 42 and the slide rail 41, improving the stability of the device after adjustment. The adjusting device 4 further includes positioning holes two 47, the positioning holes two 47 are opened on the front and rear sides of the telescopic sleeve rod 43, a lifting link 48 is fixedly connected to the lower surface of the lifting slider 9, an L-shaped baffle 49 is fixedly connected to the bottom end of the lifting link 48, a telescopic sleeve shaft one 410 is fixedly connected to the bottom surface of the inner wall of the telescopic slide rod 5, a clamping shaft one 411 is slidably connected to the inner surface of the telescopic sleeve shaft one 410, a transmission slider 412 is fixedly connected to the circumferential surface of the lifting link 48, the transmission slider 412 is slidably connected to the inner wall of the telescopic slide rod 5, the L-shaped baffle 49 is slidably connected to the inner wall of the telescopic slide rod 5, a spring one is arranged between the clamping shaft one 411 and the inner wall of the telescopic slide rod 5, a jack is opened inside the translation slider 42, the telescopic slide rod 5 slides up and down inside the telescopic sleeve rod 43, thereby changing the height of the clamping device, and further clamping the conveyor belts 3 of different heights, further improving the applicability of the device. The clamping shaft one 411 pops out of the telescopic sleeve shaft one 410 outward by the elastic force of the spring one and inserts into the positioning hole two 47 to lock the telescopic slide rod 5 and the telescopic sleeve rod 43, further improving the stability of the device after adjustment.

[0027] Working principle: Before starting the electric telescopic rod 8, drive the telescopic sleeve rod 43 to slide back and forth on the slide rail 41 by translating the slider 42. The telescopic sleeve rod 43 then drives the telescopic slide rod 5 to move back and forth, thereby driving the clamping device to change its position, facilitating the clamping of conveyor belts 3 of different lengths, and improving the applicability of the device. When the translation slider 42 stops and the jack aligns with the first positioning hole 46, rotate the positioning screw 45. The positioning screw 45 rotates downward and inserts into the first positioning hole 46 and the jack through threaded connection with the positioning shaft 44, thereby locking the translation slider 42 and the slide rail 41, improving the stability of the device after adjustment. Pull the telescopic slide rod 5 to make the telescopic slide rod 5 slide up and down within the telescopic sleeve rod 43, thereby changing the height of the clamping device, and further clamping the conveyor belts 3 of different heights, further improving the applicability of the device. When the height adjustment of the telescopic slide rod 5 is completed, start the electric telescopic rod 8. The electric telescopic rod 8 drives the lifting slider 9 to rise. The lifting slider 9 drives the lifting connecting rod 48 to rise. The lifting connecting rod 48 drives the L-shaped baffle 49 to rise. After the L-shaped baffle 49 rises, the first clamping shaft 411 loses its resistance, and then pops out of the first telescopic sleeve shaft 410 and inserts into the second positioning hole 47 under the elastic force of the first spring to lock the telescopic slide rod 5 and the telescopic sleeve rod 43, further improving the stability of the device after adjustment.

[0028] Please refer to Figures 1 - 8, on the basis of the above embodiments, in another embodiment of the present invention, the reinforcement device 14 includes a first adjusting block 141. The first adjusting block 141 is hinged to one end of the upper clamping arm 6 close to the frame 1. A bottom end of the first adjusting block 141 is fixedly connected to an upper clamping plate 142. One end of the lower clamping arm 7 close to the frame 1 is hinged to a second adjusting block 143. A top end of the second adjusting block 143 is fixedly connected to a lower clamping plate 144. Threaded convex shafts 145 are fixedly connected to both front and rear sides of the upper clamping arm 6. Compression nuts 146 are threadedly connected to a circumferential surface of the threaded convex shafts 145. By rotating the first adjusting block 141 and the second adjusting block 143, the upper clamping plate 142 and the lower clamping plate 144 are driven to fit with the outer surface and the inner surface of the conveyor belt 3, improving the clamping area of the device. The compression nuts 146 squeeze the upper clamping arm 6 and the lower clamping arm 7, preventing the first adjusting block 141 and the second adjusting block 143 from rotating and preventing the upper clamping plate 142 and the lower clamping plate 144 from loosening, improving the clamping force. The reinforcement device 14 further includes a second sliding convex shaft 147. The second sliding convex shaft 147 is fixedly connected to a side of the transmission slider 412 close to the lower clamping arm 7. A second sliding groove 148 is formed in a side of the telescopic sliding rod 5 close to the frame 1. One end of the second sliding convex shaft 147 away from the transmission slider 412 is fixedly connected to a trapezoidal positioning block 149. A second telescopic sleeve shaft 1410 is fixedly connected to an upper surface of the lower clamping arm 7. A second clamping shaft 1411 is slidably connected to an inner surface of the second telescopic sleeve shaft 1410. Both front and rear sides of the lower clamping arm 7 are fixedly connected to the threaded convex shafts 145. A second spring is provided between the second clamping shaft 1411 and the inner surface of the second telescopic sleeve shaft 1410. The second clamping shaft 1411 slidably penetrates into the inner side of the trapezoidal positioning block 149. The trapezoidal positioning block 149 slides through the lower surface of the lower clamping arm 7 and out of the upper surface of the lower clamping arm 7. The second clamping shaft 1411 pops out of the second telescopic sleeve shaft 1410 under the influence of the elastic force of the second spring and inserts into the trapezoidal positioning block 149, thereby locking support structures such as the lifting slider 9 and the toggle link 12, improving the support stability, and further improving the clamping force of the upper clamping arm 6.

[0029] Working principle: After the upper clamping arm 6 and the lower clamping arm 7 clamp the conveyor belt 3, rotate the first adjusting block 141 and the second adjusting block 143, so as to drive the upper clamping plate 142 and the lower clamping plate 144 to fit the outer surface and the inner surface of the conveyor belt 3, improving the clamping area of the device. Rotate the compression nut 146 to make the compression nut 146 approach the upper clamping arm 6 and the lower clamping arm 7. After being squeezed by the compression nut 146, the gap between the upper clamping arm 6 and the lower clamping arm 7 and the first adjusting block 141 and the second adjusting block 143 decreases, so that the first adjusting block 141 and the second adjusting block 143 cannot rotate, preventing the upper clamping plate 142 and the lower clamping plate 144 from loosening and improving the clamping force. The lifting link 48 rises to drive the transmission slider 412 to slide upward in the telescopic slide rod 5. The transmission slider 412 drives the sliding convex shaft two 147 to slide upward in the chute two 148. The sliding convex shaft two 147 drives the trapezoidal positioning block 149 to rise and insert into the lower clamping arm 7. When the inclined surface of the trapezoidal positioning block 149 contacts the arc surface of the clamping shaft two 1411, the clamping shaft two 1411 is pushed to slide and contract into the telescopic sleeve shaft two 1410 through the guidance of the inclined surface. When the slot hole formed in the trapezoidal positioning block 149 is aligned with the clamping shaft two 1411, the clamping shaft two 1411 pops out of the telescopic sleeve shaft two 1410 under the influence of the elastic force of the spring two and inserts into the trapezoidal positioning block 149, thereby locking the supporting structures such as the lifting slider 9 and the toggle link 12, improving the supporting stability, and further improving the clamping force of the upper clamping arm 6.

[0030] The present invention provides a belt clamping device for a coal mine belt conveyor. There are many methods and ways to specifically implement this technical solution. The above description is only the preferred embodiment of the present invention. It should be noted that for those of ordinary skill in the art in this technical field, without departing from the principle of the present invention, several improvements and refinements can still be made, and these improvements and refinements should also be regarded as the protection scope of the present invention. Each component not clearly defined in this embodiment can be realized by using the prior art.

Claims

1. A tape clamping device for a coal mine belt conveyor, comprising a frame (1), characterized in that: The upper surface of the frame (1) is fixedly connected with a support roller (2), the circumferential surface of the support roller (2) is drivingly connected with a conveyor belt (3), both sides of the frame (1) are fixedly connected with an adjusting device (4) for adjusting the position of the clamping device, above the frame (1) is provided with a reinforcing device (14) for adjusting the clamping force, both sides of the frame (1) are provided with telescopic sliding rods (5), the front and rear sides of the telescopic sliding rods (5) are hinged with upper clamping arms (6), the side of the telescopic sliding rods (5) close to the frame (1) is fixedly connected with lower clamping arms (7), the inner wall top surface of the telescopic sliding rods (5) is fixedly connected with an electric telescopic rod (8), the bottom end of the electric telescopic rod (8) is fixedly connected with a lifting slider (9), the front and rear sides of the lifting slider (9) are fixedly connected with sliding convex shafts one (10), the front and rear sides of the telescopic sliding rods (5) are provided with chutes one (11), the circumferential surface of the sliding convex shaft one (10) is hinged with a toggle link (12), and the inner surface of the end of the upper clamping arm (6) far from the frame (1) is hinged with a transmission shaft (13). The adjusting device (4) includes a slide rail (41), the slide rail (41) is fixedly connected to both sides of the frame (1), the inner surface of the slide rail (41) is slidably connected with a translation slider (42), the side of the translation slider (42) far from the frame (1) is fixedly connected with a telescopic sleeve rod (43), the side of the telescopic sleeve rod (43) close to the frame (1) is fixedly connected with a positioning shaft (44), the inner surface of the positioning shaft (44) is threadedly connected with a positioning screw (45), and positioning holes one (46) are provided on the upper and lower sides of the slide rail (41). The adjusting device (4) further includes positioning holes two (47), the positioning holes two (47) are provided on the front and rear sides of the telescopic sleeve rod (43), the lower surface of the lifting slider (9) is fixedly connected with a lifting link (48), the bottom end of the lifting link (48) is fixedly connected with an L-shaped baffle (49), the inner wall bottom surface of the telescopic sliding rod (5) is fixedly connected with a telescopic sleeve shaft one (410), the inner surface of the telescopic sleeve shaft one (410) is slidably connected with a clamping shaft one (411), and the circumferential surface of the lifting link (48) is fixedly connected with a transmission slider (412).

2. The tape clamping device for a coal mine belt conveyor according to claim 1, characterized in that: The lifting slider (9) is slidably connected with the inner wall of the telescopic sliding rod (5), the circumferential surface of the sliding convex shaft one (10) is slidably connected with the inner surface of the chute one (11), and the circumferential surface of the transmission shaft (13) is hinged with the toggle link (12).

3. The tape clamping device for a coal mine belt conveyor according to claim 2, characterized in that: The transmission slider (412) is slidably connected with the inner wall of the telescopic sliding rod (5), the L-shaped baffle (49) is slidably connected with the inner wall of the telescopic sliding rod (5), a spring one is provided between the clamping shaft one (411) and the inner wall of the telescopic sliding rod (5), and a jack is provided on the inner side of the translation slider (42).

4. The tape clamping device for a coal mine belt conveyor according to claim 3, characterized in that: The reinforcement device (14) includes a first adjustment block (141), the first adjustment block (141) is hinged to one end of the upper clamping arm (6) close to the frame (1), a upper clamping plate (142) is fixedly connected to the bottom end of the first adjustment block (141), a second adjustment block (143) is hinged to one end of the lower clamping arm (7) close to the frame (1), a lower clamping plate (144) is fixedly connected to the top end of the second adjustment block (143), threaded convex shafts (145) are fixedly connected to the front and rear sides of the upper clamping arm (6), and compression nuts (146) are threadedly connected to the circumferential surfaces of the threaded convex shafts (145).

5. The belt clamping device for a coal mine belt conveyor according to claim 4, wherein: The reinforcement device (14) further includes a second sliding convex shaft (147), the second sliding convex shaft (147) is fixedly connected to one side of the transmission slider (412) close to the lower clamping arm (7), a second sliding groove (148) is formed in one side of the telescopic sliding rod (5) close to the frame (1), a trapezoidal positioning block (149) is fixedly connected to one end of the second sliding convex shaft (147) away from the transmission slider (412), a second telescopic sleeve shaft (1410) is fixedly connected to the upper surface of the lower clamping arm (7), and a second clamping shaft (1411) is slidably connected to the inner surface of the second telescopic sleeve shaft (1410).

6. The tape clamping device for a coal mine belt conveyor according to claim 5, characterized in that: The front and rear sides of the lower clamping arm (7) are fixedly connected to the threaded convex shafts (145), a second spring is arranged between the second clamping shaft (1411) and the inner surface of the second telescopic sleeve shaft (1410), the second clamping shaft (1411) slidably penetrates into the inner side of the trapezoidal positioning block (149), and the trapezoidal positioning block (149) slides through the lower surface of the lower clamping arm (7) and penetrates out of the upper surface of the lower clamping arm (7).

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