Automatic scale calibration device for calcium carbide furnace

Abstract

The invention belongs to the related technical field of scale calibration devices, and particularly relates to an automatic scale calibration device for a calcium carbide furnace, which adopts the following scheme that the automatic scale calibration device comprises a mounting frame, a wheel seat is mounted on the mounting frame, a take-up roller is rotationally mounted on the wheel seat, a driving mechanism for driving the take-up roller is mounted on the mounting frame, an adjusting rope is mounted on the take-up roller, and the adjusting rope is connected with the wheel seat. A weight is mounted at the end part of the adjusting rope; a limiting telescopic rod in the limiting mechanism is fixed to the mounting frame through an outer lug and a butt joint disc, the telescopic direction of the limiting telescopic rod is strictly limited, swinging of the weight can be effectively restrained in the weight lifting process, and deviation caused by flexible shaking of a steel wire rope or external force interference is avoided; meanwhile, the limiting seat is detachably connected with the weight through a bolt, so that stable connection is ensured, and subsequent maintenance and replacement are facilitated; according to the design, additional impact of weight shaking on the adjusting rope, the take-up roller and other components is reduced, the abrasion probability of equipment is reduced, and the overall service life is prolonged.

Description

Technical Field

[0001] The present invention relates to the technical field related to calibration devices, and in particular to an automatic calibration device for a calcium carbide furnace. Background Art

[0002] During the calcium carbide production process, the weighing accuracy of the silo of the calcium carbide furnace directly affects the raw material ratio and production efficiency. Regular calibration of the silo weighing system is a key link to ensure stable production. With the improvement of industrial automation level, traditional manual calibration methods can no longer meet the needs of efficient and accurate production. Calibration devices with automatic control functions have gradually become the industry standard. Through the combination of mechanical structure and automatic control, they can achieve accurate placement and recovery of weights, providing technical support for the reliable operation of the calcium carbide furnace weighing system.

[0003] The existing automatic weighing device of calcium carbide furnace is mainly composed of silo, center tube, column, beam, ground wheel, winch, wire rope and weights; specifically, the two columns are fixed to the ground on both sides of the silo and connected at the top by a beam. The beam is provided with a mounting groove and equipped with a first ground wheel, a second ground wheel and a double-slot ground wheel. The winch is connected to the first weight and the second weight respectively through two steel wire ropes. After the steel wire rope is guided by the ground wheel, it can drive the weight to rise and fall; during weighing, the winch releases the steel wire rope to make the weight fall to the upper cover of the silo to complete the calibration. After calibration, the winch retracts the steel wire rope to lift the weight. At the same time, with the help of the proximity switch and the induction plate, the automatic start and stop control of the lifting of the weight is realized, forming a complete set of automatic weighing process.

[0004] The existing device has obvious defects in practical application: on the one hand, during the descent process, the weight is prone to violent swinging due to the flexible shaking of the wire rope and the insufficient guiding accuracy of the ground wheel. This shaking will generate additional impact force on the wire rope, the ground wheel and the connecting parts. Long-term use will aggravate the wear of the parts and shorten the overall service life of the device; on the other hand, due to the lack of a precise limiting guide structure, the falling position of the weight is difficult to fully determine and may deviate from the preset calibration point of the silo cover, which not only affects the calibration accuracy, but may also cause damage to the equipment due to collision between the weight and the edge of the silo, restricting the stability and reliability of the calibration device. It is urgent to solve the problems of weight shaking and inaccurate positioning through structural optimization.

[0005] For this purpose, an automatic calibration device for a calcium carbide furnace is needed. Summary of the Invention

[0006] The present invention proposes an automatic calibration device for a calcium carbide furnace, which solves the problem in the prior art that the weights are prone to violent swinging during the descent process due to the flexible shaking of the wire rope and the insufficient guiding accuracy of the ground wheel. This shaking will generate additional impact force on the wire rope, the ground wheel and the connecting parts, and long-term use will aggravate the wear of the parts and shorten the overall service life of the device. On the other hand, due to the lack of a precise limiting guide structure, the falling position of the weights is difficult to determine completely and may deviate from the preset calibration point of the silo cover, which not only affects the calibration accuracy, but may also cause damage to the equipment due to collision between the weights and the edge of the silo, restricting the stability and reliability of the calibration device. It is urgent to solve the problems of weight shaking and inaccurate positioning through structural optimization.

[0007] To achieve the above object, the present invention provides the following technical solutions:

[0008] An automatic weighing device for a calcium carbide furnace comprises a mounting frame, a wheel seat mounted on the mounting frame, a take-up roller rotatably mounted on the wheel seat, a driving mechanism for driving the take-up roller mounted on the mounting frame, an adjustment rope mounted on the take-up roller, and a weight mounted on the end of the adjustment rope;

[0009] The mounting frame is provided with a limiting mechanism corresponding to the weight, the limiting mechanism comprising a limiting seat detachably mounted on the bottom of the weight, and an external lug mounted on the side wall of the limiting seat, and a limiting telescopic rod mounted on the external lug, and a docking plate connected to the mounting frame mounted on the top of the limiting telescopic rod;

[0010] A control mechanism is installed on the limit seat, and the control mechanism includes a slider slidably installed on the limit seat, and the end of the slider protrudes from the bottom surface of the limit seat, and a stud is fixedly installed on the top of the limit seat, the slider is provided with a spring located in a weight, and the weight is also provided with a switch mechanism for cooperating with the stud to control the driving mechanism to be closed, and the switch mechanism includes a wireless control button provided in the weight and corresponding to the position of the stud;

[0011] When the end surface of the slider slides to a state flush with the bottom surface of the limit seat, the end of the stud will press the button of the wireless control button to close the driving mechanism.

[0012] Preferably, two groups of wheel seats are installed on the mounting frame, and roller shafts fixedly connected to the take-up roller are rotatably mounted on both groups of wheel seats.

[0013] Preferably, the driving mechanism includes a driving motor installed on the top of the mounting frame, and the output end of the driving motor is connected to the roller shaft, and controllers for controlling the driving motor are installed on the outer walls of both sides of the mounting frame.

[0014] Preferably, the cross section of the limiting seat is U-shaped, and a plurality of groups of bolts are movably mounted on the bottom of the limiting seat, and a plurality of groups of screw holes corresponding to the bolts are provided on the bottom of the weight.

[0015] Preferably, a mounting plate fixedly connected to the spring is threadedly mounted on the stud, and a set of mounting plates are connected to both ends of the spring, and mounting grooves corresponding to the mounting plates and the spring are opened inside the weight.

[0016] Preferably, the slider is designed as a polygonal block, and the width of the slider is smaller than the width of the mounting plate. The limit seat is provided with a bottom groove corresponding to the slider and the mounting plate, and the cross section of the bottom groove is designed to be T-shaped.

[0017] Preferably, a magnet is embedded in the inner wall of the mounting plate, and magnets that are magnetically attracted to the mounting plate are installed inside the slider and on the inner end surface of the mounting groove.

[0018] Preferably, the wireless control button is cylindrical in design, and the outer wall of the wireless control button is provided with threads, and a disassembly disk is installed at the end of the wireless control button, and a polygonal groove is provided on the end face of the disassembly disk. A group of mounting plates located on the top of the spring are provided with threaded grooves corresponding to the wireless control button and the disassembly disk.

[0019] Preferably, the longitudinal section of the thread groove is T-shaped, and the disassembly disk is entirely located inside the top of the thread groove, the diameter of the stud end face is larger than the diameter of the button, and the distance between the stud and the end face of the wireless control button is the same as the length of the slider protruding from the limit seat.

[0020] Preferably, the switching mechanism also includes a data cable, a plug, an interface, a guide wheel, a pulley and a counterweight. One end of the data cable is installed on the mounting frame and connected to the controller, and the other end is installed in the weight. A plug is installed at the end of the data cable, and an interface corresponding to the plug and connected to the wireless control button is provided on the disassembly disk. A guide wheel for guiding the data cable is installed on the outer wall of the mounting frame, and a pulley is movably installed on the data cable, and a counterweight is installed at the bottom of the pulley.

[0021] The present invention proposes an automatic calibration device for a calcium carbide furnace. Compared with the prior art, the present invention has the following beneficial effects:

[0022] 1. The present invention is provided with a limiting mechanism. The limiting telescopic rod in the limiting mechanism is fixed to the mounting frame through the external lug and the docking plate. The telescopic direction is strictly limited. The swing of the weight can be effectively restrained during the lifting and lowering process of the weight, avoiding the deviation caused by the flexible shaking of the wire rope or external force interference; at the same time, the limiting seat and the weight are detachably connected by bolts, which not only ensures a stable connection, but also facilitates subsequent maintenance and replacement; this design reduces the additional impact of the weight shaking on the adjustment rope, take-up roller and other components, reduces the probability of equipment wear, and extends the overall service life.

[0023] 2. The present invention is provided with a control mechanism, in which a slider protrudes from the bottom surface of the limit seat. When the weight drops to the calibration point of the calcium carbide furnace hopper, the slider slides upward along the bottom groove under the thrust, pushing the mounting plate to compress the spring, and at the same time driving the stud to move toward the wireless control button; since the end face diameter of the stud is larger than the button diameter, and the distance between the stud and the button is equal to the protruding length of the slider, when the end face of the slider is flush with the bottom surface of the limit seat, the stud can accurately squeeze the button, send a signal to close the drive mechanism, and make the weight accurately dock at the preset calibration point; this linkage design avoids errors in manual judgment and ensures the consistency and accuracy of the calibration process.

[0024] 3. The present invention provides a limit seat and a weight, and the limit seat and the weight are detachably connected by bolts and screw holes. The wireless control button is installed in the threaded groove of the mounting plate through threads, and a disassembly disk with a polygonal groove is provided at the end. When a single component is damaged, it can be replaced independently without the need to disassemble the entire device, which greatly reduces the complexity of maintenance. In addition, the magnet adsorption design between the mounting plate and the slider and the mounting groove assists the slider in sliding stably, reduces failures caused by sticking, makes daily operation and maintenance more convenient, and is suitable for high-frequency calibration needs in industrial production.

[0025] 4. The present invention sets up a driving mechanism, which realizes the automatic retraction and extension of the adjustment rope through the driving motor and the controller, and cooperates with the automatic start and stop function of the control mechanism to form a full-process automated operation of "weight lowering, precise docking, completion of calibration, and automatic reset"; this process does not require manual assistance in positioning or shutting down the equipment, which not only reduces the labor intensity of the operator, but also shortens the time of a single calibration. It is especially suitable for scenarios where frequent calibration is required in calcium carbide furnace production, and provides reliable guarantee for continuous production. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 This is a schematic diagram of the overall structure of an automatic calibration device for a calcium carbide furnace in the present invention;

[0027] Figure 2 This is a schematic diagram of the structure of an automatic calibration device for a calcium carbide furnace after its parts are disassembled;

[0028] Figure 3 This is a structural diagram of components such as an adjustment rope, weights, and a limit seat of an automatic calibration device for a calcium carbide furnace in the present invention;

[0029] Figure 4 This is a schematic structural diagram of a cutaway diagram of a weight and a limit telescopic rod of an automatic calibration device for a calcium carbide furnace in the present invention;

[0030] Figure 5 This is an automatic calibration device for a calcium carbide furnace in the present invention. Figure 4 Schematic diagram of the structure after the parts are disassembled;

[0031] Figure 6 This is an automatic calibration device for a calcium carbide furnace in the present invention. Figure 4 Schematic diagram of the plane structure after the state is cut open;

[0032] Figure 7 This is a schematic structural diagram of an automatic calibration device for a calcium carbide furnace according to the present invention with the spring cut away;

[0033] Figure 8 This is a structural schematic diagram of a calcium carbide furnace automatic weighing device according to the present invention after the slider moves upward;

[0034] Figure 9 This is a structural schematic diagram of a second embodiment of an automatic calibration device for a calcium carbide furnace in the present invention;

[0035] Figure 10 This is a structural schematic diagram of a switch mechanism of a second embodiment of an automatic calibration device for a calcium carbide furnace in the present invention;

[0036] Figure 11 This is a structural diagram of the plug and interface of the second embodiment of the automatic calibration device for a calcium carbide furnace in the present invention.

[0037] In the figure: 1. Mounting frame; 2. Wheel seat; 3. Take-up roller; 31. Roller shaft; 32. Drive motor; 33. Controller; 4. Adjustment rope; 41. Adjustment slot; 5. Weight; 6. Limit seat; 61. Bolt; 62. Screw hole; 7. External lug; 8. Limit telescopic rod; 9. Docking plate; 10. Slider; 101. Bottom slot; 102. Mounting slot; 11. Stud; 12. Mounting plate; 13. Spring; 14. Wireless control button; 141. Button; 15. Threaded groove; 16. Disassembly plate; 17. Data cable; 18. Plug; 19. Interface; 20. Guide wheel; 21. Pulley; 22. Counterweight. DETAILED DESCRIPTION

[0038] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0039] See also Figure 1-8 The present invention provides a technical solution: an automatic calibration device for a calcium carbide furnace, the main body of which includes a mounting frame 1, a wheel seat 2 is mounted on the mounting frame 1, a take-up roller 3 is rotatably mounted on the wheel seat 2, and a driving mechanism for driving the take-up roller 3 is provided on the mounting frame 1; an adjusting rope 4 is mounted on the take-up roller 3, and the end of the adjusting rope 4 is connected to a weight 5;

[0040] Among them, there are two groups of wheel seats 2 on the mounting frame 1, and both groups of wheel seats 2 are rotatably installed with roller shafts 31 fixedly connected to the take-up roller 3. This design provides stable support for the rotation of the take-up roller 3; the driving mechanism specifically includes a driving motor 32 installed on the top of the mounting frame 1, and the output end of the driving motor 32 is connected to the roller shaft 31. The outer walls on both sides of the mounting frame 1 are also provided with a controller 33 for controlling the driving motor 32; when working, the driving motor 32 drives the take-up roller 3 to rotate through the roller shaft 31, thereby realizing the retraction and release of the adjustment rope 4, controlling the lifting and lowering of the weight 5, and providing power support for the calibration process.

[0041] In this embodiment, the mounting frame 1 is provided with a limiting mechanism corresponding to the weight 5, and the limiting mechanism includes a limiting seat 6 detachably mounted on the bottom of the weight 5, the side wall of the limiting seat 6 is installed with an external lug 7, and the external lug 7 is installed on the limiting telescopic rod 8, and the top of the limiting telescopic rod 8 is installed with a docking plate 9 connected to the mounting frame 1, and at the same time, the docking plate 9 and the mounting frame 1 are both provided with an adjustment groove 41 corresponding to the adjustment rope 4 for the smooth passage of the adjustment rope 4.

[0042] Specifically, the cross-section of the limit seat 6 in this embodiment is U-shaped, and multiple groups of bolts 61 are movably installed at its bottom, and multiple groups of screw holes 62 corresponding to the bolts 61 are opened at the bottom of the weight 5. Through the cooperation of the bolts 61 and the screw holes 62, the limit seat 6 and the weight 5 can be detachably connected, which is convenient for subsequent maintenance and replacement; during the lifting and lowering process of the weight 5, the limit telescopic rod 8 is fixed to the mounting frame 1 through the external lug 7 and the docking plate 9, and its telescopic direction is strictly limited, which can effectively restrain the shaking of the weight 5, ensure that the weight 5 moves smoothly in the vertical direction, and avoid additional impact on the equipment due to swinging.

[0043] Exemplarily, a control mechanism is provided on the limit seat 6, comprising a slider 10 slidably mounted on the limit seat 6, with the end of the slider 10 protruding from the bottom surface of the limit seat 6, and a stud 11 fixedly mounted on the top of the limit seat 6; and a spring 13 located within the weight 5 is provided on the slider 10, and a wireless control button 14 is also provided within the weight 5 corresponding to the position of the stud 11;

[0044] Among them, a mounting plate 12 fixedly connected to the spring 13 is threadedly installed on the stud 11, and a group of mounting plates 12 are connected to both ends of the spring 13. A mounting groove 102 corresponding to the mounting plate 12 and the spring 13 is opened inside the weight 5; the slider 10 is designed as a polygonal block, and its width is smaller than the width of the mounting plate 12. A T-shaped bottom groove 101 corresponding to the slider 10 and the mounting plate 12 is opened on the limit seat 6; when the slider 10 contacts the calibration point of the calcium carbide furnace hopper, it will slide upward along the bottom groove 101, pushing the mounting plate 12 to compress the spring 13, and at the same time drive the stud 11 to move toward the wireless control button 14; when the end face of the slider 10 is flush with the bottom surface of the limit seat 6, the end of the stud 11 squeezes the button 141 of the wireless control button 14, and sends a signal to the controller 33 to close the drive mechanism, thereby achieving precise docking of the weight 5.

[0045] Specifically, in this embodiment, a magnet is embedded in the inner wall of the mounting plate 12, and magnets that are magnetically attracted to the slider 10 and the inner end surface of the mounting groove 102 are also installed. This design helps the slider 10 slide stably and avoid deviation.

[0046] The wireless control button 14 in this embodiment is cylindrical in design, and the outer wall of the wireless control button 14 is provided with a thread, and a disassembly disk 16 with a polygonal groove is installed at its end. The mounting plate 12 located at the top of the spring 13 is provided with a threaded groove 15 corresponding to the wireless control button 14 and the disassembly disk 16. The longitudinal section of the threaded groove 15 is T-shaped, and the disassembly disk 16 is located as a whole in the top of the threaded groove 15; this structure facilitates the disassembly and replacement of the wireless control button 14. When a fault occurs, the disassembly disk 16 can be rotated through the polygonal groove to unscrew it from the threaded groove 15.

[0047] At the same time, the end face diameter of the stud 11 in this embodiment is larger than the diameter of the button 141, and the distance between the stud 11 and the end face of the wireless control button 14 is equal to the length of the slider 10 protruding from the limit seat 6, ensuring that the stud 11 can accurately squeeze the button 141 when the slider 10 is in place, thereby ensuring the accuracy of control.

[0048] During the actual calibration process, the drive motor 32 drives the take-up roller 3 to release the adjusting rope 4, and the weight 5 descends smoothly under the guidance of the limiting telescopic rod 8; the slider 10 slides upward after contacting the calibration point, compressing the spring 13 and driving the stud 11 to trigger the wireless control button 14, so that the drive motor 32 stops, and the weight 5 stops accurately to complete the calibration; after the calibration is completed, the drive motor 32 rotates in the opposite direction to recycle the adjusting rope 4, the spring 13 resets and pushes the slider 10 to protrude, and the weight 5 rises and resets smoothly under the constraint of the limiting telescopic rod 8; the entire process does not require manual intervention, which not only improves the calibration accuracy and efficiency, but also reduces equipment wear and extends its service life through the limiting and buffering structure.

[0049] Example 2

[0050] This embodiment discloses an automatic calibration device for a calcium carbide furnace. Figure 1 - Figure 11 As shown, the technical solution and components of this embodiment are basically the same as those of the first embodiment, and the technically identical parts are not repeated here. The difference is that the switch mechanism of this embodiment further includes a data cable 17, a plug 18, an interface 19, a guide wheel 20, a pulley 21 and a counterweight 22;

[0051] Among them, one end of the data cable 17 is installed on the mounting frame 1 and connected to the controller 33, and the other end is installed in the weight 5. A plug 18 is installed at the end of the data cable 17. At the same time, an interface 19 corresponding to the plug 18 and connected to the wireless control button 14 is provided on the disassembly disk 16. The controller 33 is connected to the wireless control button 14 through the data cable 17, which further increases the accuracy of signal transmission. Even if the wireless transmission inside the wireless control button 14 is interfered with, the signal can be smoothly transmitted through the data cable 17, further ensuring that the drive motor 32 can be smoothly turned off.

[0052] This embodiment further installs a guide wheel 20 for guiding the data cable 17 on the outer wall of the mounting frame 1, and a pulley 21 is movably installed on the data cable 17, and a counterweight block 22 is installed at the bottom of the pulley 21; when the weight 5 is descending, the data cable 17 will move along the guide wheel 20 as it descends. Since the length of the data cable 17 is greater than the length that the weight 5 needs to descend, the setting of the data cable 17 will not affect the smooth descent of the weight 5. At the same time, the setting position of the data cable 17 is staggered with the setting position of the limiting telescopic rod 8 to avoid interference. When the weight 5 moves upward, the data cable 17 will be pulled downward under the action of the counterweight block 22 at the bottom of the pulley 21, thereby preventing the data cable 17 from being too loose and tangled or being hooked by the limiting seat 6.

[0053] Working principle: When calibrating a calcium carbide furnace, after starting the calibration program, the controller 33 controls the drive motor 32 to rotate in the forward direction, driving the roller 31 and the take-up roller 3 to rotate synchronously. The take-up roller 3 releases the adjustment rope 4, causing the weight 5 to move downward under the action of gravity. During this process, the limit seat 6 drops synchronously with the weight 5, and the outer lug 7 drives the limit telescopic rod 8 to gradually extend. Since the top of the limit telescopic rod 8 is fixed to the mounting frame 1 through the docking plate 9, its extension direction is strictly limited, thereby effectively restraining the shaking of the weight 5 and ensuring that the weight 5 drops steadily in the vertical direction.

[0054] As the weight 5 continues to descend, the portion of the slider 10 protruding from the bottom surface of the limit seat 6 first contacts the calibration point of the calcium carbide furnace silo; at this time, the slider 10 is pushed upward and slides upward along the bottom groove 101, pushing the bottom mounting plate 12 to compress the spring 13, and the spring 13 begins to store elastic potential energy; because the magnets on the inner wall of the mounting plate 12 attract the slider 10 and the magnets in the mounting groove 102, the slider 10 is assisted to slide stably and avoid deviation;

[0055] When the slider 10 slides, a group of mounting plates 12 at the bottom drives the stud 11 to move toward the wireless control button 14. Since the end face diameter of the stud 11 is larger than the diameter of the button 141, and the initial distance between the stud 11 and the wireless control button 14 is equal to the protruding length of the slider 10, when the slider 10 slides until the end face is flush with the bottom surface of the limit seat 6, the stud 11 at this time just squeezes the button 141, triggering the wireless control button 14 to send a signal to the controller 33. The controller 33 immediately controls the drive motor 32 to stop rotating, causing the weight 5 to accurately stop at the silo calibration point, completing the application of the calibration pressure.

[0056] During the calibration process, the telescopic limit rod 8 always keeps the weight 5 guided to prevent it from being deflected by external interference, thus ensuring the calibration accuracy. At the same time, the elastic buffering effect of the spring 13 can reduce the impact force when the slider 10 contacts the silo, thus protecting the equipment components.

[0057] After the calibration is completed, the controller 33 controls the drive motor 32 to rotate in the opposite direction. At this time, the take-up roller 3 begins to retract the adjustment rope 4, pulling the weight 5 upward. At this time, the slider 10 is no longer pushed by the hopper, and the spring 13 begins to release its elastic potential energy, pushing the bottom mounting plate 12 and the slider 10 to slide downward. The slider 10 protrudes from the bottom surface of the limit seat 6 again. The stud 11 moves downward with the mounting plate 12 and separates from the button 141. The wireless control button 14 enters the standby state.

[0058] During the rising process of the weight 5, the limit telescopic rod 8 gradually contracts, and the outer lug 7 drives the limit seat 6 to rise steadily to prevent the weight 5 from shaking; when the weight 5 returns to the initial position, the controller 33 controls the drive motor 32 to stop, completing the entire reset process and waiting for the next calibration instruction;

[0059] If you need to replace the weight 5 or the limit seat 6, unscrew the bolt 61 at the bottom of the limit seat 6 to disengage the bolt 61 from the screw hole 62 of the weight 5 to separate the two; when installing, do the reverse operation to ensure that the bolt 61 is tightened to prevent it from falling off during the calibration process;

[0060] When the wireless control button 14 fails, first remove the limit seat 6, so that the bottom groove 101 and the mounting groove 102 leak out. At this time, the mounting plate 12 can be separated from the bottom groove 101 and the mounting groove 102 by pulling the spring 13 or the mounting plate 12. At this time, the disassembly disk 16 can be rotated through the polygonal groove of the disassembly disk 16 to drive the wireless control button 14 to be unscrewed from the threaded groove 15. A new wireless control button 14 can be replaced and then installed in the reverse direction. If the spring 13 loses its elasticity, remove the mounting plate 12, and then rotate the mounting plate 12 or rotate the slider 10, which will separate the mounting plate 12 from the slider 10. At this time, the mounting plate 12 and the spring 13 can be replaced, and then the mounting plate 12 is fixed by the threaded engagement of the stud 11 to ensure that the spring 13 is firmly installed.

[0061] Through the combination of mechanical structure and automatic control, the device realizes the full process of "automatic descent, precise docking, and automatic reset" of calcium carbide furnace calibration, improves the calibration accuracy and efficiency, and extends the service life of the equipment.

[0062] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. An automatic calibration device for a calcium carbide furnace, characterized in that: The invention comprises a mounting frame (1), a wheel seat (2) is mounted on the mounting frame (1), a take-up roller (3) is rotatably mounted on the wheel seat (2), a driving mechanism for driving the take-up roller (3) is mounted on the mounting frame (1), an adjusting rope (4) is mounted on the take-up roller (3), and a weight (5) is mounted at the end of the adjusting rope (4); A limiting mechanism corresponding to the weight (5) is installed on the mounting frame (1), and the limiting mechanism includes a limiting seat (6) detachably installed on the bottom of the weight (5), and an external lug (7) is installed on the side wall of the limiting seat (6), and a limiting telescopic rod (8) is installed on the external lug (7), and a docking plate (9) connected to the mounting frame (1) is installed on the top of the limiting telescopic rod (8); A control mechanism is installed on the limit seat (6), and the control mechanism includes a slider (10) slidably installed on the limit seat (6), and the end of the slider (10) protrudes from the bottom surface of the limit seat (6), and a stud (11) is fixedly installed on the top of the limit seat (6), and the slider (10) is provided with a spring (13) located in the weight (5), and the weight (5) is also provided with a switch mechanism for cooperating with the stud (11) to control the driving mechanism to close, and the switch mechanism includes a wireless control button (14) arranged in the weight (5) and corresponding to the position of the stud (11). When the end surface of the slider (10) slides to a state flush with the bottom surface of the limiting seat (6), the end of the stud (11) presses the button (141) of the wireless control button (14) to close the driving mechanism.

2. The automatic calibration device for a calcium carbide furnace according to claim 1, characterized in that: Two groups of wheel seats (2) are installed on the mounting frame (1), and roller shafts (31) fixedly connected to the take-up roller (3) are rotatably installed on both groups of wheel seats (2).

3. The automatic calibration device for a calcium carbide furnace according to claim 2, characterized in that: The driving mechanism comprises a driving motor (32) mounted on the top of the mounting frame (1), wherein the output end of the driving motor (32) is connected to the roller shaft (31), and controllers (33) for controlling the driving motor (32) are mounted on both side outer walls of the mounting frame (1).

4. The automatic calibration device for a calcium carbide furnace according to claim 1, characterized in that: The cross section of the limiting seat (6) is U-shaped, and a plurality of groups of bolts (61) are movably mounted on the bottom of the limiting seat (6), and a plurality of groups of screw holes (62) corresponding to the bolts (61) are provided on the bottom of the weight (5).

5. The automatic calibration device for a calcium carbide furnace according to claim 1, characterized in that: A mounting plate (12) fixedly connected to a spring (13) is threadedly mounted on the stud (11), and a set of mounting plates (12) are connected to both ends of the spring (13), and a mounting groove (102) corresponding to the mounting plate (12) and the spring (13) is opened inside the weight (5).

6. The automatic calibration device for a calcium carbide furnace according to claim 5, characterized in that: The slider (10) is designed as a polygonal block, and the width of the slider (10) is smaller than the width of the mounting plate (12). The limiting seat (6) is provided with a bottom groove (101) corresponding to the slider (10) and the mounting plate (12), and the cross section of the bottom groove (101) is designed to be T-shaped.

7. The automatic weighing device for a calcium carbide furnace according to claim 5, characterized in that: A magnet is embedded in the inner wall of the mounting plate (12), and magnets that are magnetically attracted to the mounting plate (12) are installed inside the slider (10) and on the inner end surface of the mounting groove (102).

8. The automatic weighing device for a calcium carbide furnace according to claim 3, characterized in that: The wireless control button (14) is cylindrical in design, and the outer wall of the wireless control button (14) is provided with a thread, and a disassembly disk (16) is installed at the end of the wireless control button (14), and the end surface of the disassembly disk (16) is provided with a polygonal groove, and a group of mounting plates (12) located on the top of the spring (13) are provided with thread grooves (15) corresponding to the wireless control button (14) and the disassembly disk (16).

9. The automatic calibration device for a calcium carbide furnace according to claim 8, characterized in that: The longitudinal section of the thread groove (15) is T-shaped, and the disassembly disk (16) is entirely located inside the top of the thread groove (15). The diameter of the end face of the stud (11) is larger than the diameter of the button (141), and the distance between the stud (11) and the end face of the wireless control button (14) is the same as the length of the slider (10) protruding from the limit seat (6).

10. The automatic calibration device for a calcium carbide furnace according to claim 8, characterized in that: The switch mechanism further comprises a data line (17), a plug (18), an interface (19), a guide wheel (20), a pulley (21) and a counterweight (22); one end of the data line (17) is mounted on the mounting frame (1) and connected to the controller (33); the other end is mounted in the weight (5); the end of the data line (17) is mounted with a plug (18); the disassembly disk (16) is provided with an interface (19) corresponding to the plug (18) and connected to the wireless control button (14); the outer wall of the mounting frame (1) is mounted with a guide wheel (20) for guiding the data line (17); a pulley (21) is movably mounted on the data line (17); and a counterweight (22) is mounted at the bottom of the pulley (21).

Images