A drive device for a calcium carbide transfer vehicle group

Abstract

This invention discloses a drive device for a calcium carbide transport vehicle, relating to the field of calcium carbide transportation. It includes multiple frames, a power unit, and further comprises: a drive assembly mounted on the frames for driving the calcium carbide transport vehicle to move along the arrangement direction of the frames; a lifting assembly for driving the calcium carbide transport vehicle to lift upwards; and a passive triggering assembly that moves upon receiving pressure from the calcium carbide transport vehicle. The passive triggering assembly's displacement stroke includes a lifting stroke and a lowering stroke. The beneficial effect of this invention is that when the calcium carbide transport vehicle moves to the drive device, the lifting frame is passively driven upwards, making the chassis of the calcium carbide transport vehicle higher than the drive assembly. Until the transport vehicle moves to an effective driving position, the chassis of the transport vehicle automatically lowers and connects to the drive assembly for forward movement. This avoids multiple drive devices simultaneously driving the calcium carbide transport vehicle, ensuring the stable operation of the vehicle.

Description

Technical Field

[0001] This invention relates to the field of calcium carbide transportation, specifically to a drive device for a calcium carbide transfer vehicle group. Background Technology

[0002] Calcium carbide, chemically known as calcium carbide, is a lumpy solid and a basic raw material in the organic synthesis chemical industry. Calcium carbide transport vehicles are connected end-to-end to form a transport assembly, which transports calcium carbide. Since the individual transport vehicles themselves are not self-driving, the transport assembly requires a drive unit to operate.

[0003] The publication number is CN113758275A, which discloses a calcium carbide tapping system. The system is characterized by comprising an elevated track system laid along the tapping path, and a tapping transport vehicle mounted on the elevated track system. The tapping transport vehicle includes a self-driving tractor and at least one tapping trolley sequentially connected to the self-driving tractor. The elevated track system includes castable refractory columns fixedly mounted on the ground along the tapping path, several steel supports fixedly mounted on the castable refractory columns along the tapping direction, a track body fixedly mounted on the steel supports and maintained at a certain height from the ground, and a track body mounted on... A guide mechanism is arranged on the side of the steel column and along the direction of furnace discharge. The track body is configured as a parallel double track, and each track body is equipped with a corresponding steel column and a castable refractory column. The self-driving tractor includes a tractor body consisting of a tractor frame and wheels mounted on the track body, a drive motor fixedly mounted on the lower part of the tractor frame, a reducer connected to the output shaft of the drive motor, a drive ratchet connected to the output shaft of the reducer, and a first connecting buckle located on the rear side of the tractor body for connecting the furnace discharge trolley. The drive ratchet engages with the guide mechanism to enable the tractor body to move self-driven on the track body.

[0004] Currently, we have set up multiple sets of drive units, which are sequentially installed along the conveyor rail. These multiple sets of drive units take turns transporting calcium carbide transfer vehicles. However, when a calcium carbide transfer vehicle group is delivered by a drive unit, and the vehicle group enters the effective area of ​​this drive unit, it is easy for two sets of drive units to drive the vehicle group forward at the same time, causing drive interference between the drive units and affecting the smooth operation of the vehicle group. Summary of the Invention

[0005] The purpose of this invention is to provide a drive device for a calcium carbide transport vehicle to overcome the shortcomings of the prior art.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a drive device for a calcium carbide transfer vehicle group, comprising multiple frames, a power unit, and further comprising:

[0007] A drive assembly, which is mounted on the frame, is used to drive the calcium carbide transfer vehicle assembly to move along the arrangement direction of the frame;

[0008] A lifting assembly, which is used to drive the calcium carbide transfer vehicle group to lift upwards;

[0009] A passive triggering component is provided. When the passive triggering component receives the pressure from the calcium carbide transport vehicle group, it will move. The displacement stroke of the passive triggering component includes a lifting stroke and a falling stroke. In the lifting stroke, the passive triggering component drives the lifting component to move upward to lift the calcium carbide transport vehicle group. In the falling stroke, the passive triggering component moves downward to connect the calcium carbide transport vehicle group and the drive component.

[0010] Preferably, the drive assembly includes a drive chain, a pair of steering wheels, and a drive wheel. The pair of steering wheels and the drive wheel are both mounted on the frame. The pair of steering wheels and the drive wheel are connected by a drive chain. The drive chain is provided with a snap-fit ​​component. The drive wheel is connected to a power unit.

[0011] Preferably, the power unit includes a motor and a reducer, with the motor connected to the input end of the reducer and the output end of the reducer connected to the power wheel.

[0012] Preferably, the lifting assembly includes a fixed support plate, a lifting frame, and a first tension member. The fixed support plate is fixedly installed on the frame, the lifting frame is slidably connected to the fixed support plate, and the tension member applies a tension force to the lifting frame toward the frame.

[0013] Preferably, one end of the first tension member is fixedly connected to the lifting frame, and the other end of the first tension member is fixedly connected to the machine frame.

[0014] Preferably, the passive triggering assembly includes a lever arm, a torque member, a fixed plate, a movable sleeve, a trigger head, a lower rotating roller, and a return groove. The lower part of the lever arm is mounted on the frame, the movable sleeve is sleeved on the upper part of the lever arm, the trigger head is mounted on the movable sleeve, the fixed plate is fixedly mounted on the lifting frame, the lower rotating roller is rotatably connected to the lever arm, the lower rotating roller and the lower surface of the lifting frame are in rolling connection, the return groove is formed on the fixed plate, and one end of the torque member is connected to the lever arm.

[0015] Preferably, during the lifting stroke, the calcium carbide transfer vehicle group squeezes the movable sleeve to drive the lever arm to flip, and the lower rotating roller moves upward synchronously to drive the lifting frame to lift upward. During the falling stroke, the trigger head falls into the return groove, and the movable sleeve and the calcium carbide transfer vehicle group separate. Under the action of the spring force of the torque member, the lever arm resets.

[0016] Preferably, a spindle is fixedly mounted on the frame, the lever arm is rotatably connected to the spindle, and the other end of the torque member is fixedly mounted on the spindle.

[0017] Preferably, the upper part of the retraction groove is provided with an inlet groove, and when the trigger head moves above the inlet groove, the trigger head moves down to the inlet groove.

[0018] Preferably, it further includes a second tension member, which applies a tension force toward the lever arm to the movable sleeve. One end of the second tension member is mounted on the movable sleeve, and the other end of the second tension member is mounted on the lever arm.

[0019] In the above technical solution, the present invention provides a drive device for a calcium carbide transport vehicle. When the calcium carbide transport vehicle moves to the drive device, it first pushes the lever arm to swing to drive the lifting frame to move upward. While the calcium carbide transport vehicle moves forward, the height of the calcium carbide transport vehicle is simultaneously raised so that the calcium carbide transport vehicle is higher than the drive chain. When the calcium carbide transport vehicle moves to the effective drive position, the lever arm automatically resets, and the calcium carbide transport vehicle descends and connects to the drive assembly to move forward. This avoids multiple drive devices driving the calcium carbide transport vehicle simultaneously, ensuring the stable operation of the vehicle. Attached Figure Description

[0020] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this invention. For those skilled in the art, other drawings can be obtained based on these drawings.

[0021] Figure 1 This is a schematic diagram of the overall structure of a calcium carbide transfer vehicle drive unit according to the present invention.

[0022] Figure 2 This is a schematic diagram of the drive assembly structure of a calcium carbide transfer vehicle drive device according to the present invention;

[0023] Figure 3 This invention relates to a drive device for a calcium carbide transfer vehicle group. Figure 1 Enlarged structural diagram of point A in the middle;

[0024] Figure 4 This is a schematic diagram of the passive triggering component of the calcium carbide transfer vehicle drive device in its initial state according to the present invention;

[0025] Figure 5 This is a schematic diagram of the passive triggering component of a calcium carbide transfer vehicle drive device during the lifting stroke according to the present invention;

[0026] Figure 6 This invention relates to a drive device for a calcium carbide transfer vehicle group. Figure 4 A partial sectional view;

[0027] Figure 7 This is a schematic diagram of the passive triggering of a calcium carbide transfer vehicle drive device during the descent stroke according to the present invention.

[0028] Figure 8 This is a schematic diagram of a calcium carbide transport vehicle structure adapted to the drive device of a calcium carbide transport vehicle group according to the present invention.

[0029] Explanation of reference numerals in the attached figures:

[0030] 1. Frame; 2. Drive chain; 21. Directional wheel; 22. Power wheel; 3. Connecting component; 31. Side forming plate; 32. Abutment plate; 33. Cover plate; 34. Forming head; 4. Fixed support plate; 5. Lifting frame; 6. First tension component; 7. Passive trigger assembly; 70. Second tension component; 71. Mandrel; 72. Lever arm; 73. Torque component; 74. Fixed plate; 75. Movable sleeve; 76. Trigger head; 78. Lower rotating roller; 79. Retraction groove; 791. Guide groove; 9. Power unit; 91. Motor; 92. Reducer. Detailed Implementation

[0031] To enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings.

[0032] Please see Figure 1-7 The present invention provides a drive device for a calcium carbide transfer vehicle, comprising multiple frames 1, a power unit 9, and further comprising:

[0033] A drive assembly is mounted on the frame 1 and is used to drive the calcium carbide transfer vehicle group to move along the arrangement direction of the frame 1.

[0034] The lifting assembly is used to drive the calcium carbide transfer vehicle group to lift upwards;

[0035] The passive trigger component 7 will move when it receives the pressure from the calcium carbide transfer vehicle group. The displacement stroke of the passive trigger component 7 includes a lifting stroke and a falling stroke. During the lifting stroke, the passive trigger component 7 drives the lifting component to move upward to lift the calcium carbide transfer vehicle group. During the falling stroke, the passive trigger component 7 moves downward to connect the calcium carbide transfer vehicle group and the drive component.

[0036] In an embodiment of the present invention, a drive assembly is mounted on a frame 1. The drive assembly is used to drive the calcium carbide transfer vehicle assembly, which is known to those skilled in the art. The basic specific structure of the calcium carbide transfer vehicle is shown in the attached figure. Figure 8As shown, the train set consists of a transfer car and its matching track. The track is laid in the same direction as the conveying direction of the drive assembly, and is used to drive the calcium carbide transfer car set to move along the arrangement direction of the frame 1. Multiple drive units are arranged along the transport line of the calcium carbide transfer car set, and the drive units drive the calcium carbide transfer car set forward. The drive assembly includes a drive chain 2, a pair of directional wheels 21, and a power wheel 22. The pair of directional wheels 21 and the power wheel 22 are both mounted on the frame 1. The pair of directional wheels 21 are at the same height and are rotatably connected to both sides of the frame 1. The pair of directional wheels 21 and the power wheel 22 are connected by the drive chain 2. The drive chain 2 is provided with a locking member 3. After the drive chain 2 is connected, it ensures that the conveying of the drive chain 2 is in a stable state. When the drive chain 2 moves, the locking member 3 also moves synchronously. Multiple locking members 3 move with the drive chain 2. The drive chain 2 cycles, and the locking piece 3 is higher than the drive chain 2. When the chassis of the calcium carbide transfer vehicle moves above the drive chain 2, the locking piece 3, being higher, will abut against the side of the chassis. The height of the chassis is floating relative to the frame of the calcium carbide transfer vehicle. When the lifting component moves upward, the chassis height increases to ensure that the locking piece 3 does not abut against the chassis. The steering wheel 21 is horizontally set, ensuring that when the drive chain 2 moves horizontally, the locking piece 3 abuts against the chassis of the calcium carbide transfer vehicle. Thus, driven by the locking piece 3, the calcium carbide transfer vehicle will move along the arrangement direction of the drive chain 2. The power wheel 22 is connected to the power unit 9. Through the setting of the power unit 9, the power wheel 22 can be driven to rotate. When the power wheel 22 rotates, it synchronously drives the drive chain 2 to move.

[0037] The lifting assembly is used to drive the calcium carbide transfer car group to lift upwards. Multiple locking pieces 3 are distributed on the drive chain 2. The displacement of the locking pieces 3 drives the calcium carbide transfer car to move. When multiple calcium carbide transfer car group drive devices are in operation, the calcium carbide transfer car delivered by the previous drive device needs to move to the drive chain 2. The lifting assembly includes a fixed support plate 4, a lifting frame 5, and a first tension member 6. The fixed support plate 4 is fixedly installed on the frame 1. The lifting frame 5 is slidably connected to the fixed support plate 4. The fixed support plate 4 is set on both sides of the lifting frame 5 to limit the lifting frame 5 and ensure that the lifting frame 5 can only move in the vertical direction. The first tension member 6 applies a tension force to the lifting frame 5 towards the frame 1. The first tension member 6 applies a tension force to the lifting frame 5 to ensure that the lifting frame 5 is lower than the locking pieces 3 when no other external force is applied. Under the drive of external force, the lifting frame 5 is relatively... The fixed support plate 4 will move upward. When the lifting frame 5 is in the upward position, it will apply an upward thrust to the chassis of the moving calcium carbide transfer car. The chassis of the calcium carbide transfer car will move upward along with the lifting frame 5. In this way, the lifting frame 5 drives the calcium carbide transfer car to move upward. The height of the chassis of the calcium carbide transfer car is higher than the height of the snap-fit ​​part 3. It should be noted that the height of the hopper, rollers, etc. of the calcium carbide transfer car remains unchanged. Most of the load of the calcium carbide transfer car is still borne by the track. In this way, when the previous drive device is driven, the drive device will lift the chassis of the calcium carbide transfer car upward to avoid the lifting frame 5 resetting when the calcium carbide transfer car group moves to the effective drive position. In this way, the calcium carbide transfer car group descends and connects to the drive assembly to move forward. This avoids multiple sets of drive devices driving the calcium carbide transfer car group at the same time, ensuring the stable operation of the car group. It should be noted that when moving to the effective drive position, the previous drive device has been disconnected from the car group.

[0038] The passive trigger component 7 displaces upon receiving pressure from the calcium carbide transport vehicle assembly. When the calcium carbide transport vehicle is driven by a preceding drive unit, the transport vehicle drives the passive trigger component 7 to displace. The displacement stroke of the passive trigger component 7 includes a lifting stroke and a lowering stroke. During the lifting stroke, the passive trigger component 7 drives the lifting assembly upwards to lift the calcium carbide transport vehicle assembly. During the lowering stroke, the passive trigger component 7 moves downwards, connecting the calcium carbide transport vehicle assembly to the drive assembly. When the calcium carbide transport vehicle assembly moves to the first position, it drives the passive trigger component 7 to perform the lifting stroke. When the calcium carbide transport vehicle assembly moves to the second position, the passive trigger component 7 performs the lowering stroke, thereby driving the lifting frame 5 downwards. In this way, the calcium carbide transport vehicle assembly descends and connects with the drive assembly to move forward. This avoids multiple drive units simultaneously driving the calcium carbide transport vehicle assembly, ensuring the stable operation of the assembly. The passive triggering assembly 7 includes a lever arm 72, a torque element 73, a fixed plate 74, a movable sleeve 75, a trigger head 76, a lower rotating roller 78, and a return groove 79. The lower part of the lever arm 72 is mounted on the frame 1, and the lever arm 72 is rotatably connected to the frame 1. The lever arm 72 is initially tilted, and during the lifting stroke, the lever arm 72 gradually changes from a tilted state to a vertical state. The movable sleeve 75 is sleeved on the upper part of the lever arm 72 and can be displaced relative to the lever arm 72. The trigger head 76 is mounted on the movable sleeve 75. The fixed plate 74 is fixedly mounted on the lifting frame 5. The lower rotating roller 78 is rotatably connected to the lever arm 72, and the lower rotating roller 78 is in rolling contact with the lower surface of the lifting frame 5. The calcium carbide transfer car conveyed by the previous drive device will first squeeze the movable sleeve 75, and the movable sleeve 75 will be subjected to... The lever arm 72 is flipped, causing it to gradually move from an inclined state to a vertical state. This process is called the lifting stroke. During this process, the height of the lower rotating roller 78 gradually increases. As the lower rotating roller 78 rises, it applies an upward force to the lifting frame 5, thereby pushing the lifting frame 5 upward. During the lifting stroke, the movable sleeve 75 will also slide relative to the lever arm 72. The fixed plate 74 is provided with an inclined surface. The trigger head 76 makes a corresponding displacement during the lifting stroke. During the movement, the movable sleeve 75 will be relatively displaced relative to the lever arm 72 due to the force of the trigger head 76. The movable sleeve 75 will move away from the lever arm 72. The return groove 79 is provided on the fixed plate 74. One end of the torque member 73 is connected to the lever arm 72.The retraction groove 79 is located on the side of the fixed plate 74. When the trigger head 76 moves to the upper part of the retraction groove 79, the trigger head 76 retracts into the retraction groove 79. This causes the synchronous movable sleeve 75 to separate from the calcium carbide transfer car assembly. As a result, the lever arm 72 loses the thrust from the calcium carbide transfer car, and the lever arm 72 begins its downward stroke. During this downward stroke, the torque member 73 applies a reverse torque to the lever arm 72, causing the lever arm 72 to generate a rotational force. This causes the lever arm 72 to gradually change from a vertical to an inclined state. In this inclined state, the height of the lower rotating roller 78 inevitably decreases. As the lower rotating roller 78 decreases in height, the lifting frame 5 loses its support, causing the lifting frame 5 to eventually move downward under the pulling force of the first pulling member 6. This achieves the connection between the calcium carbide transfer car and the drive assembly, utilizing the movement of the calcium carbide transfer car for passive... The lifting frame 5 is lifted by the drive mechanism, and when it reaches the predetermined effective driving position, the lifting frame 5 automatically moves down, so that the calcium carbide transfer car group and the drive mechanism gradually become adjacent, so as to take over the driving of the calcium carbide transfer car group from the previous drive device. This can effectively avoid interference between adjacent drive devices. Correspondingly, the present invention has also considered using cylinders, hydraulic cylinders, etc. to drive and sensors to identify the position of the calcium carbide transfer car group to realize the automated control lifting of the lifting frame 5. Its structure is simple and the technology is mature, and it can also achieve the purpose of avoiding interference of drive devices. However, the working scenario of the calcium carbide transfer car group is complex, especially in the process of heating calcium carbide in an electric furnace. It is known that the melting point of calcium carbide changes with the calcium carbide content in calcium carbide. The melting point of pure calcium carbide is 2300℃, and the melting point of a mixture with a calcium carbide content of 69% is the lowest, at 1750℃. To facilitate material feeding, electric furnaces are generally semi-open. Therefore, the calcium carbide transfer car group and its supporting drive device are in a high-temperature state. Long-term high temperature will affect the stable operation of equipment such as cylinders, hydraulic cylinders, and sensors.

[0039] In another embodiment of the present invention, the drive assembly includes a drive chain 2, a pair of directional wheels 21, and a drive wheel 22. Both the directional wheels 21 and the drive wheel 22 are mounted on the frame 1 and connected by the drive chain 2. The drive chain 2 is equipped with a snap-fit ​​component 3. The drive wheel 22 and the power unit 9 are connected via the directional wheels 21 to form a horizontal conveying structure. The drive chain 2 is connected to the directional wheels 21, and the directional wheels 21 provide support for this horizontal conveying structure. The drive wheel 22 is positioned below the directional wheels 21, and the drive chain 2 is also connected to the directional wheels 21. This creates a triangular structure between the directional wheels 21 and the drive wheel 22, ensuring tension between the drive wheel 22 and the drive chain 2. This ensures that when the drive wheel 22 rotates, it can drive the drive chain 2 to move. The power unit 9 includes a motor 91 and a reducer 92. The motor 91 is connected to the input end of the reducer 92, and the output end of the reducer 92 is connected to the drive wheel 22. The motor 91 achieves the purpose of reducing the speed through the setting of the reducer 92. The reduction in speed allows the reducer 92 to output greater torque, so as to ensure that the drive chain 2 can smoothly drive the calcium carbide transfer car forward under load.

[0040] In another embodiment of the present invention, the snap-fit ​​component 3 includes a side forming plate 31, an abutment plate 32, a cover plate 33, and a forming head 34. The side forming plate 31 is mounted on the drive chain 2, the forming head 34 is disposed on the upper part of the side forming plate 31, the abutment plate 32 is mounted on the side forming plate 31, and the cover plate 33 is mounted on the top of the side forming plate 31. By integrating the forming head 34 and the side forming plate 31, recesses that fit perfectly into the abutment plate 32 can be formed on both the front and rear sides of the side forming plate 31, allowing the abutment plate 32 to be embedded in the recesses and locked with bolts. The cover plate 33 needs to be installed on the upper surface of the side forming plate 31 and installed with bolts, thus forming a snap-fit ​​component 3 that is higher than the drive chain 2.

[0041] In another embodiment of the present invention, the lifting assembly includes a fixed support plate 4, a lifting frame 5, and a first tension member 6. The fixed support plate 4 is fixedly mounted on the frame 1, and the lifting frame 5 is slidably connected to the fixed support plate 4. The first tension member 6 applies a tension force toward the frame 1 to the lifting frame 5. One end of the first tension member 6 is fixedly connected to the lifting frame 5, and the other end of the first tension member 6 is fixedly connected to the frame 1. The first tension component 6 is configured as a tension spring. The upper end of the tension spring is connected to the lifting frame 5, and the lower end of the tension spring is connected to the frame 1. The tension spring is in a stretched state, so the tension spring applies a downward tension to the lifting frame 5. Therefore, without the action of other external forces, the lower surface of the lifting frame 5 will abut against the frame 1. The height of the lifting frame 5 is controlled by the passive trigger component 7. When the calcium carbide transfer car is driven by the previous drive device, the calcium carbide transfer car will drive the passive trigger component 7 to move. The passive trigger component 7 will drive the lifting frame 5 to move upward. This ensures that the chassis of the calcium carbide transfer car moves upward and the chassis will not abut against the locking component 3. Thus, when the calcium carbide transfer car has not entered the effective driving range, the drive component cannot drive the calcium carbide transfer car group.

[0042] In another embodiment of the present invention, the passive triggering component 7 includes a lever arm 72, a torque member 73, a fixed plate 74, a movable sleeve 75, a trigger head 76, a lower rotating roller 78, and a return groove 79. The lower part of the lever arm 72 is mounted on the frame 1, the movable sleeve 75 is sleeved on the upper part of the lever arm 72, the trigger head 76 is mounted on the movable sleeve 75, the fixed plate 74 is fixedly mounted on the lifting frame 5, the lower rotating roller 78 is rotatably connected to the lever arm 72, and the lower rotating roller 78 is in rolling connection with the lower surface of the lifting frame 5. The return groove 79 is formed on the fixed plate 74, and one end of the torque member 73 is connected to the lever arm 72. A limit block is provided at the bottom of the lifting frame 5. For details, please refer to [link to specific structure]. Figure 4 The limiting block is used to limit the maximum rotation of the lever arm 72. The lever arm 72 can only rotate to a vertical position at most, which ensures that the lever arm 72 can be reset under the torque of the torque member 73. In this way, the lever arm 72 resets and drives the lower rotating roller 78 to move downward, thus avoiding the situation of the lever arm 72 over-rotating. When the lever arm 72 reaches the limit position, the limiting block limits the lever arm 72, so that the lever arm 72 can not continue to rotate. At this position, the movable sleeve 75 will move down to ensure that the trigger head 76 can enter the return groove 79, so that the lever arm 72 can be reset under the torque of the torque member 73.

[0043] During the lifting stroke, the calcium carbide transfer car group squeezes the movable sleeve 75 to displace, driving the lever arm 72 to flip. Simultaneously, the lower rotating roller 78 moves upward to drive the lifting frame 5 to lift upward. During the falling stroke, the trigger head 76 falls into the return groove 79, and the movable sleeve 75 separates from the calcium carbide transfer car group. Under the action of the spring force of the torque member 73, the lever arm 72 returns to its original position. During the lifting process, the calcium carbide transfer car will abut against the side of the movable sleeve 75 to apply a thrust to the movable sleeve 75, causing the movable sleeve 75 to rotate along with the power arm 72. When the power arm 72 gradually rotates to a vertical position, the trigger head 76 moves to the upper part of the return groove 79 and retracts into the return groove 79. In this way, the movable sleeve 75 will separate from the calcium carbide transfer car assembly, and the power arm 72 will lose the thrust from the calcium carbide transfer car. The power arm 72 will then begin its downward stroke. During the downward stroke, the torque member 73 applies a torque in the opposite direction to the power arm 72, and the power arm 72 will generate a rotational force. This will cause the power arm 72 to gradually change from a vertical position to an inclined position. In the inclined position, the height of the lower rotating roller 78 will inevitably decrease. As the height of the lower rotating roller 78 decreases, the lifting frame 5 loses support, which will cause the lifting frame 5 to eventually move downward under the pulling force of the first pulling member 6, thus realizing the connection between the calcium carbide transfer car and the drive assembly.

[0044] A spindle 71 is fixedly mounted on the frame 1, and a lever arm 72 is rotatably connected to the spindle 71. The other end of a torque member 73 is fixedly mounted on the spindle 71. The torque member 73 is equipped with a layer of torsion spring. Under the action of torque, it will apply a thrust to the lever arm 72, so that it always has a thrust to push the device to flip to a horizontal state. This ensures that during the falling stroke, the torque member 73 applies a thrust to the lever arm 72, so that it can smoothly change from a vertical state to an inclined state.

[0045] The upper part of the retraction groove 79 is provided with an inlet groove 791. When the trigger head 76 moves above the inlet groove 791, the trigger head 76 moves down into the inlet groove 791. The inlet groove 791 is set in a vertical state. When the trigger head 76 moves to its extreme position, the trigger head 76 is exactly above the inlet groove 791, so that the trigger head 76 can fall smoothly into the inlet groove 791 and enter the retraction groove 79.

[0046] It also includes a second tension member 70, which applies a tension force toward the lever arm 72 to the movable sleeve 75. One end of the second tension member 70 is mounted on the movable sleeve 75, and the other end of the second tension member 70 is mounted on the lever arm 72. The second tension member 70 is configured as a tension spring. The second tension member 70 applies a tension force toward the lever arm 72 to the movable sleeve 75. In the initial state, the second tension member 70 is in a natural state. As the lifting stroke progresses, the movable sleeve 75 gradually disengages from the lever arm 72, and the second tension member 70 is in a tensioned state. Therefore, the second tension member 70 applies a tension force to the movable sleeve 75. When the movable sleeve 75 moves to its limit position, under the action of the tension force of the second tension member 70, the trigger head 76 can be smoothly pulled into the guide groove 791, thereby ensuring that the height of the movable sleeve 75 decreases and the movable sleeve 75 separates from the calcium carbide transfer car. In this way, the pressure of the calcium carbide transfer car is removed, and under the action of the torsion spring, the lever arm 72 flips and resets, thereby driving the lifting frame 5 to descend. In this way, the chassis of the calcium carbide transfer car will also descend, and the chassis will be lower than the snap-fit ​​part 3, so as to realize the driving of the calcium carbide transfer car.

[0047] The foregoing has only described certain exemplary embodiments of the present invention by way of illustration. Undoubtedly, those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the foregoing drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A drive unit for a calcium carbide transfer vehicle, comprising multiple frames (1) and a power unit (9), characterized in that, Also includes: A drive assembly is mounted on the frame (1) and is used to drive the calcium carbide transfer vehicle group to move along the arrangement direction of the frame (1); A lifting assembly, which is used to drive the calcium carbide transfer vehicle group to lift upwards; The passive triggering component (7) will move when it receives the pressure of the calcium carbide transfer vehicle group. The displacement stroke of the passive triggering component (7) includes a lifting stroke and a falling stroke. In the lifting stroke, the passive triggering component (7) drives the lifting component to move upward to lift the calcium carbide transfer vehicle group. In the falling stroke, the passive triggering component (7) moves downward to connect the calcium carbide transfer vehicle group and the driving component. The lifting assembly includes a fixed support plate (4), a lifting frame (5), and a first tension member (6). The fixed support plate (4) is fixedly installed on the frame (1), the lifting frame (5) is slidably connected to the fixed support plate (4), and the tension member (6) applies a tension force toward the frame (1) to the lifting frame (5). The passive triggering assembly (7) includes a lever arm (72), a torque member (73), a fixed plate (74), a movable sleeve (75), a trigger head (76), a lower rotating roller (78), and a return groove (79). The lower part of the lever arm (72) is mounted on the frame (1), the movable sleeve (75) is sleeved on the upper part of the lever arm (72), the trigger head (76) is mounted on the movable sleeve (75), the fixed plate (74) is fixedly mounted on the lifting frame (5), the lower rotating roller (78) is rotatably connected to the lever arm (72), the lower rotating roller (78) and the lower surface of the lifting frame (5) are rolled together, the return groove (79) is opened on the fixed plate (74), and one end of the torque member (73) is connected to the lever arm (72). During the lifting stroke, the calcium carbide transfer vehicle group squeezes the movable sleeve (75) to displace, thereby driving the lever arm (72) to flip. Simultaneously, the lower rotating roller (78) moves upward to drive the lifting frame (5) to lift upward. During the falling stroke, the trigger head (76) falls into the return groove (79), thereby separating the movable sleeve (75) from the calcium carbide transfer vehicle group. Under the action of the spring force of the torque member (73), the lever arm (72) resets.

2. The drive device for a calcium carbide transfer vehicle according to claim 1, characterized in that, The drive assembly includes a drive chain (2), a pair of steering wheels (21), and a power wheel (22). The pair of steering wheels (21) and the power wheel (22) are both mounted on the frame (1). The pair of steering wheels (21) and the power wheel (22) are connected by the drive chain (2). The drive chain (2) is provided with a snap-fit ​​component (3). The power wheel (22) is connected to the power unit (9).

3. The drive device for a calcium carbide transfer vehicle group according to claim 2, characterized in that, The power unit (9) includes a motor (91) and a reducer (92). The motor (91) is connected to the input end of the reducer (92), and the output end of the reducer (92) is connected to the power wheel (22).

4. The drive device for a calcium carbide transfer vehicle group according to claim 1, characterized in that, One end of the first tension member (6) is fixedly connected to the lifting frame (5), and the other end of the first tension member (6) is fixedly connected to the frame (1).

5. The drive device for a calcium carbide transfer vehicle group according to claim 4, characterized in that, A spindle (71) is fixedly installed on the frame (1), the lever arm (72) is rotatably connected to the spindle (71), and the other end of the torque member (73) is fixedly installed on the spindle (71).

6. The drive device for a calcium carbide transfer vehicle according to claim 1, characterized in that, The upper part of the retraction groove (79) is provided with an inlet groove (791). When the trigger head (76) moves above the inlet groove (791), the trigger head (76) moves down to the inlet groove (791).

7. A drive device for a calcium carbide transfer vehicle group according to claim 6, characterized in that, It also includes a second tension member (70) that applies a tension force toward the lever arm (72) to the movable sleeve (75), one end of the second tension member (70) being mounted on the movable sleeve (75) and the other end of the second tension member (70) being mounted on the lever arm (72).

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