Cable take-up and pay-off device and cable take-up and pay-off method for subway electromechanical construction

Abstract

The invention discloses a cable winding and unwinding device for subway electromechanical construction and a cable winding and unwinding method, and belongs to the field of cable winding and unwinding. A cable take-up and pay-off device for subway electromechanical construction comprises a base and two sets of supporting plates installed on the base, and further comprises a pressing plate arranged on the base, and a reset mechanism is arranged between the pressing plate and the base and used for supporting the pressing plate; the sliding blocks are symmetrically arranged on the supporting plate, a storage table is fixedly connected between the sliding blocks on the same side, racks are fixedly connected to the sides, away from the supporting plate, of the sliding blocks, and meshed driven gears are rotationally connected to the sides, close to the racks, of the supporting plate; the problems that the cable reel is inconvenient to place, potential safety hazards exist, the cable take-up and pay-off speed is inconvenient to control, the intelligent degree is low, and the take-up and pay-off efficiency is low can be solved.

Description

Technical Field

[0001] The present invention relates to the technical field of cable winding and unwinding, and particularly to a cable winding and unwinding device and a cable winding and unwinding method for subway electromechanical construction. Background Art

[0002] Subway electromechanical construction refers to the work of installing and commissioning various mechanical and electrical equipment during subway construction. It is an essential part of subway construction, and the completion quality directly affects the operation safety of the subway line and the travel experience of passengers. During this process, the installation of electromechanical equipment is the primary task, and at the same time, power supply lines and communication lines are laid in the subway tunnel to ensure the safety and reliability of the lines during use, which requires a large amount of cables.

[0003] Currently, when using cables, the cable reel is usually installed on the winding and unwinding equipment through a hoisting device, and the cable is laid by winding and unwinding the cable. However, due to the large weight of the cable reel and the large volume of the hoisting device, the operation is extremely inconvenient. Moreover, during the hoisting process, the position of the cable reel needs to be continuously adjusted to ensure the stability of the installation of the cable reel on the winding and unwinding equipment. During this process, there are certain safety hazards. In addition, during the winding and unwinding process of the cable, it is not convenient to control the winding and unwinding speed of the cable, and the degree of intelligence of the cable winding and unwinding equipment is low, which not only makes the winding and unwinding efficiency of the cable low, but also easily scratches the outer side of the cable. Summary of the Invention

[0004] The purpose of the present invention is to solve the problems in the prior art that the cable reel is inconvenient to place, there are safety hazards, it is not convenient to control the winding and unwinding speed of the cable, the degree of intelligence is low, and the winding and unwinding efficiency is low, and to propose a cable winding and unwinding device and a cable winding and unwinding method for subway electromechanical construction.

[0005] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0006] A cable winding and unwinding device for subway electromechanical construction, comprising a base and two groups of support plates installed on the base, and further comprising: a pressing plate arranged on the base, a reset mechanism is arranged between the pressing plate and the base for supporting the pressing plate; sliders symmetrically arranged on the support plates, a winding and unwinding table is fixedly connected between the sliders on the same side, a rack is fixedly connected to the side of the slider away from the support plate, and a driven gear engaged therewith is rotatably connected to the side of the support plate close to the rack. Among them, an adjusting mechanism is arranged on the side of the support plate close to the driven gear, and the relative position between the adjusting mechanism and the driven gear can be adjusted through the pressing plate and the reset mechanism; an installation frame fixedly connected to the two groups of support plates, a reciprocating lead screw is rotatably connected to the installation frame, a guiding and speed-changing mechanism is arranged on the reciprocating lead screw, and a linkage assembly is arranged between the reciprocating lead screw and the adjusting mechanism. When the adjusting mechanism is located below, the reciprocating lead screw can be driven through the linkage assembly to drive the guiding and speed-changing mechanism to reciprocate.

[0007] To facilitate the monitoring and adjustment of the position of the cable reel on the base, preferably, the reset mechanism includes a groove opened on the base, a plurality of support components are fixedly connected inside the groove, the pressing plate is fixedly connected to the end of the support components, and the pressing plate is in contact with the inner wall of the groove. A first spring sleeved on the support component is fixedly connected between the pressing plate and the bottom of the groove.

[0008] To ensure the stability of the cable reel during lifting, further, the support component includes a support cylinder fixedly connected to the bottom of the groove, a support rod is slidably connected inside the support cylinder, the support rod is connected to the pressing plate, a plurality of insertion holes are opened on the outer wall of the support rod, a transverse groove is opened on the side of the support cylinder close to the insertion hole, and an insertion block matching the insertion hole is slidably connected inside the transverse groove. Among them, the upper sides of the insertion hole and the insertion block are inclined, and a blocking strip is fixedly connected above the groove.

[0009] To facilitate driving the cable reel to rotate on the support plate, furthermore, a chute matching the slider is opened on the support plate, a through hole matching the rack is opened on the outer wall of the support plate, the central position of the winding and unwinding table is symmetrically inclined, and a guide wheel is rotatably connected to the inclined position of the winding and unwinding table. The distance between the two groups of guide wheels on the same side is less than the shaft diameter of the cable reel.

[0010] For facilitating the adjustment of the rotating parts of the device and ensuring the stability after hoisting, further, the adjusting mechanism includes telescopic rods symmetrically and fixedly connected to the outer wall of the support plate. The ends of two groups of the telescopic rods on the same side are fixedly connected with an adjusting frame. A driving motor is fixedly connected to the outer wall of one of the adjusting frames. A driving gear is rotatably connected to the inner wall of the adjusting frame. The shaft end of one of the driving gears is connected to the output end of the driving motor. A locking block matching the driven gear is fixedly connected to the inner wall above the adjusting frame. Among them, the telescopic rods are connected to the accommodation spaces of the support cylinder and the support rod through pipelines.

[0011] For improving the effect of cable retraction and facilitating the control of the cable retraction speed, further, the guiding and speed-changing mechanism includes a moving block arranged on the reciprocating lead screw. A positioning block fixedly connected to the moving block is slidably connected to the mounting frame. A variable resistor is fixedly connected to the moving block. A sliding connecting plate is slidably connected to the inside of the variable resistor. A guiding ring is fixedly connected to the end of the sliding connecting plate away from the variable resistor. A plurality of third springs are fixedly connected between the sliding connecting plate and the variable resistor. Among them, the variable resistor and the sliding connecting plate are electrically connected to the driving motor. And when the sliding connecting plate moves outward along the variable resistor, the resistance of the driving motor decreases. The accommodation space between the variable resistor and the sliding connecting plate is connected to the transverse groove through a pipeline.

[0012] For improving the intelligent level of the device, facilitating the operation of the device, and at the same time reducing the energy consumption of the device, further, the linkage assembly includes a driving wheel fixedly connected to the shaft end of the driving gear close to one end of the mounting frame. A rotating shaft is rotatably connected to the outer wall of the support plate. A linkage wheel is fixedly connected to the end of the rotating shaft close to the driving wheel. A linkage belt is arranged between the driving wheel and the linkage wheel. A bevel gear set engaged with each other is arranged between the shaft end of the rotating shaft and the shaft end of the reciprocating lead screw. Among them, the outer walls of the driving wheel and the linkage wheel are concave. When the driving wheel and the linkage wheel are at the maximum distance, the linkage belt is closely attached to the driving wheel and the linkage wheel.

[0013] For ensuring the stability of the cable reel during rotation, further, it also includes a transmission wheel fixedly connected to the reciprocating lead screw. A connecting wheel is fixedly connected to the shaft end of the guide wheel close to the transmission wheel. A tensioning groove is formed in the inner wall of the support plate. A limiting block is slidably connected to the inside of the tensioning groove. A second spring is fixedly connected between the limiting block and the tensioning groove. A tensioning wheel is rotatably connected to the limiting block. A belt is sleeved on the transmission wheel, the connecting wheel, and the tensioning wheel.

[0014] To facilitate pushing the cable reel onto the base and ensure the stability of the cable's position on the base, further, it further includes a ramp fixedly connected to the base. The ramp is located on the side of the base away from the mounting frame. The top of the pressing plate is arc-shaped, and the pressing plate is located below the center position of the two sets of guide wheels.

[0015] A method for winding and unwinding cables in subway electromechanical construction includes the following steps:

[0016] Step 1: First, push the cable reel onto the equipment and make the cable reel stop at the designated position of the equipment;

[0017] Step 2: Under the gravity of the cable reel, switch the rotating part of the equipment through the adjusting mechanism;

[0018] Step 3: After the equipment starts, it can lift the shaft end of the cable reel to make the cable reel in a suspended state;

[0019] Step 4: Then pass the end of the cable through the guiding and speed-changing mechanism. Under the gravity of the cable, the reset mechanism returns to the initial state. At this time, the rotating part of the equipment is switched to the initial state through the adjusting mechanism;

[0020] Step 5: Subsequently, starting the equipment can drive the cable reel to rotate, and at the same time drive the guiding and speed-changing mechanism to move reciprocally to guide the winding and unwinding of the cable.

[0021] Compared with the prior art, the present invention provides a cable winding and unwinding device and a cable winding and unwinding method for subway electromechanical construction, having the following beneficial effects:

[0022] 1. For the cable winding and unwinding device for subway electromechanical construction, when the cable reel is pushed onto the base by the pressing plate, it can stay at the designated position, and the position of the adjusting mechanism is adjusted through the reset mechanism, thereby automatically switching the working part of the equipment. At this time, the cable reel can be lifted until the cable reel is in a suspended state, which is not only more simple in operation but also higher in safety.

[0023] 2. For the cable winding and unwinding device for subway electromechanical construction, by passing the cable through the guiding and speed-changing mechanism, the locking of the reset mechanism can be released, and the reset mechanism returns to the initial state. When the equipment is working, it can drive the cable reel to rotate to realize the winding and unwinding of the cable reel. At the same time, the height of the guide wheels can be limited through the adjusting mechanism to ensure the stability of the cable reel during the winding and unwinding process, greatly improving the intelligent level of the equipment and at the same time improving the efficiency of cable winding and unwinding.

[0024] 3. The cable winding and unwinding device for subway electromechanical construction can, through the linkage component, drive the guide variable-speed mechanism to reciprocate axially along the cable reel during the rotation of the cable reel, so as to wind and unwind the cable evenly along the cable reel. Moreover, it can automatically adjust the winding and unwinding speed of the cable according to the resistance received by the cable during winding and unwinding, further improving the winding and unwinding efficiency of the cable and avoiding scratching the outer side of the cable.

[0025] The parts not involved in this device are the same as or can be realized by the prior art. The present invention can overcome the problems of inconvenient placement of the cable reel, potential safety hazards, inconvenient control of the cable winding and unwinding speed, low intelligence level, and low winding and unwinding efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 is a schematic structural diagram of a cable winding and unwinding device for subway electromechanical construction proposed by the present invention Figure 1 ;

[0027] Figure 2 is a schematic structural diagram of a cable winding and unwinding device for subway electromechanical construction proposed by the present invention Figure 2 ;

[0028] Figure 3 is a partial schematic structural diagram of a cable winding and unwinding device for subway electromechanical construction proposed by the present invention;

[0029] Figure 4 is a schematic sectional view of the base of a cable winding and unwinding device for subway electromechanical construction proposed by the present invention;

[0030] Figure 5 is a schematic sectional view of the support plate of a cable winding and unwinding device for subway electromechanical construction proposed by the present invention;

[0031] Figure 6 is a schematic structural diagram of the mounting bracket of a cable winding and unwinding device for subway electromechanical construction proposed by the present invention;

[0032] Figure 7 is a schematic sectional view of the variable resistor, sliding connecting plate and guide ring of a cable winding and unwinding device for subway electromechanical construction proposed by the present invention;

[0033] Figure 8 is a cable winding and unwinding device for subway electromechanical construction proposed by the present invention Figure 4 Schematic diagram of the structure of part A therein.

[0034] In the figure: 1, base; 2, slope; 3, support plate; 4, groove; 5, support assembly; 51, support cylinder; 52, support rod; 53, insertion hole; 54, horizontal groove; 55, insertion block; 56, blocking strip; 6, pressing plate; 7, first spring; 8, sliding groove; 9, slider; 10, through hole; 11, rack; 12, telescopic rod; 13, adjusting frame; 14, drive motor; 15, drive gear; 16, driven gear; 17, locking block; 18, retracting and extending table; 19, guide wheel; 20, connecting wheel; 21, mounting frame; 22, reciprocating lead screw; 23, drive wheel; 24, rotating shaft; 25, linkage wheel; 26, linkage belt; 27, bevel gear set; 28, moving block; 29, positioning block; 30, variable resistor; 31, sliding connection plate; 32, guide ring; 33, transmission wheel; 34, tensioning groove; 35, limiting block; 36, second spring; 37, tensioning wheel; 38, belt; 39, third spring. Detailed implementation mode

[0035] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to 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.

[0036] In the description of the present invention, it should be understood that the orientation or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present invention.

[0037] Embodiment 1:

[0038] Refer to Figures 1-8, A cable winding and unwinding device for subway electromechanical construction, including a base 1 and two groups of support plates 3 installed on the base 1. The device can be transferred by installing detachable traveling wheels at the bottom of the base 1 to improve the work efficiency of construction. It also includes: a pressing plate 6 arranged on the base 1, made of high-strength material to ensure the stable support of the cable reel. A reset mechanism is arranged between the pressing plate 6 and the base 1 for supporting the pressing plate 6; sliders 9 symmetrically arranged on the support plates 3, with a winding and unwinding platform 18 fixedly connected between the sliders 9 on the same side. A rack 11 is fixedly connected to the side of the slider 9 away from the support plate 3, and a driven gear 16 meshing with it is rotatably connected to the side of the support plate 3 close to the rack 11; among them, an adjusting mechanism is arranged on the side of the support plate 3 close to the driven gear 16. The relative position between the adjusting mechanism and the driven gear 16 can be adjusted through the pressing plate 6 and the reset mechanism; an installation frame 21 fixedly connected to the two groups of support plates 3, with a reciprocating lead screw 22 rotatably connected to the installation frame 21. A guiding and variable-speed mechanism is arranged on the reciprocating lead screw 22. A linkage component is arranged between the reciprocating lead screw 22 and the adjusting mechanism. When the adjusting mechanism is located below, the reciprocating lead screw 22 can be driven through the linkage component to drive the guiding and variable-speed mechanism to reciprocate. It also includes a slope 2 fixedly connected to the base 1, located on the side of the base 1 away from the installation frame 21. The top of the pressing plate 6 is arc-shaped and is located below the center position of the two guide wheels 19.

[0039] Refer to Figures 3-4 , The reset mechanism includes a groove 4 opened on the base 1. A plurality of support components 5 are fixedly connected inside the groove 4. The pressing plate 6 is fixedly connected to the end of the support component 5 and is in contact with the inner wall of the groove 4. A first spring 7 sleeved on the support component 5 is fixedly connected between the pressing plate 6 and the bottom of the groove 4.

[0040] After pushing the cable reel onto the base 1 through the slope 2 and continuing to push the cable reel, when the cable reel moves onto the pressing plate 6, under the gravity of the cable reel, it will drive the pressing plate 6 to move into the groove 4, so that the cable reel stays on the pressing plate 6, ensuring the stable position of the cable reel on the base 1 for easy lifting of the cable reel.

[0041] Refer to Figure 4 and Figure 8 , The support component 5 includes a support cylinder 51 fixedly connected to the bottom of the groove 4. A support rod 52 is slidably connected inside the support cylinder 51. The support rod 52 is connected to the pressing plate 6. A plurality of insertion holes 53 are opened on the outer wall of the support rod 52. A horizontal groove 54 is opened on the side of the support cylinder 51 close to the insertion holes 53. An insertion block 55 matching the insertion holes 53 is slidably connected inside the horizontal groove 54. Among them, the upper sides of the insertion holes 53 and the insertion block 55 are inclined, and a blocking strip 56 is fixedly connected above the groove 4.

[0042] It should be noted that initially, the insertion block 55 extends outside the horizontal groove 54, with its inclined side close to the upper insertion hole 53. Under the action of the blocking bar 56, the insertion block 55 will not be separated from the horizontal groove 54. When the support rod 52 moves downward along the support cylinder 51, first, the support rod 52 will push the insertion block 55 into the interior of the horizontal groove 54. When the cable reel is separated from the pressure plate 6, the insertion block 55 will extend into the interior of the insertion hole 53, preventing the support rod 52 from moving upward. The gas or liquid compressed by the support rod 52 will enter the interior of the telescopic rod 12, driving the adjustment frame 13 to move upward.

[0043] Refer to Figures 1-3 and Figure 5 , a chute 8 matching the slider 9 is provided on the support plate 3, and a through hole 10 matching the rack 11 is provided on the outer wall of the support plate 3. The center position of the storage and release platform 18 is symmetrically inclined. A guide wheel 19 is rotatably connected at the inclined position of the storage and release platform 18. The distance between two groups of guide wheels 19 on the same side is less than the shaft diameter of the cable reel.

[0044] By adjusting the position of the slider 9 in the chute 8, the height of the guide wheel 19 can be adjusted to facilitate the release and lifting of the cable reel. When the cable needs to be stored or released, by driving one of the guide wheels 19, the shaft end of the cable reel can be driven to rotate between the guide wheels 19. It should be noted that when the cable reel is in a suspended state, due to gravity, the shaft end of the cable reel will be in close contact with the guide wheels 19.

[0045] Refer to Figure 3 and Figure 5 , the adjustment mechanism includes telescopic rods 12 symmetrically and fixedly connected to the outer wall of the support plate 3. The ends of two groups of telescopic rods 12 on the same side are fixedly connected with an adjustment frame 13. A driving motor 14 is fixedly connected to the outer wall of one of the adjustment frames 13. A driving gear 15 is rotatably connected to the inner wall of the adjustment frame 13. The shaft end of one of the driving gears 15 is connected to the output end of the driving motor 14. A locking block 17 matching the driven gear 16 is fixedly connected to the upper inner wall of the adjustment frame 13. Among them, the telescopic rod 12 is connected to the accommodation spaces of the support cylinder 51 and the support rod 52 through a pipeline.

[0046] When the cable reel is located above the pressure plate 6, the gas or liquid compressed by the support assembly 5 enters the interior of the telescopic rod 12, driving the adjustment frame 13 to move upward, causing the driving gear 15 to mesh with the driven gear 16. At the same time, the locking block 17 disengages from the driven gear 16. When the driving motor 14 is started, it drives the driving gear 15 to rotate, thereby driving the driven gear 16 to rotate. Under the action of the rack 11, it drives the slider 9 to move upward along the sliding groove 8, and then drives the guide wheel 19 to move upward. When the guide wheel 19 contacts the shaft end of the cable reel and continues to drive the guide wheel 19 to move upward, it will lift the cable reel on the pressure plate 6, thus realizing the lifting of the cable reel. This method is not only simple to operate but also has higher safety.

[0047] Refer to Figure 3 , Figure 6 and Figure 7 , the guiding and variable-speed mechanism includes a moving block 28 arranged on the reciprocating lead screw 22. A positioning block 29 fixedly connected to the moving block 28 is slidably connected to the mounting bracket 21. A variable resistor 30 is fixedly connected to the moving block 28. A sliding connecting plate 31 is slidably connected inside the variable resistor 30. One end of the sliding connecting plate 31 away from the variable resistor 30 is fixedly connected to a guiding ring 32. A plurality of groups of third springs 39 are fixedly connected between the sliding connecting plate 31 and the variable resistor 30. Among them, the variable resistor 30 and the sliding connecting plate 31 are electrically connected to the driving motor 14. And when the sliding connecting plate 31 moves outward along the variable resistor 30, the resistance of the driving motor 14 decreases. The accommodating space between the variable resistor 30 and the sliding connecting plate 31 is connected to the transverse groove 54 through a pipeline.

[0048] When winding and unwinding the cable, by rotating the reciprocating lead screw 22, the moving block 28 can be driven to reciprocate along the reciprocating lead screw 22 through the positioning block 29, so that the cable can be evenly wound and unwound on the cable reel. This can not only avoid the cable from getting entangled but also prevent damage to the cable. It should be noted that the size of the guiding ring 32 is larger than that of the cable, and the inner wall of the guiding ring 32 is arc-shaped to avoid damaging the cable. When laying the cable, when the cable is in a relatively straight state, the downward force on the guiding ring 32 increases, which drives the guiding ring 32 and the sliding connecting plate 31 to move outward in the variable resistor 30. At this time, the resistance of the driving motor 14 is reduced, thereby increasing the unwinding speed of the cable and avoiding the cable from being subjected to a large traction force. When the cable is unwound for a relatively long length, the downward force on the guiding ring 32 decreases. At this time, the resistance of the driving motor 14 is increased, thereby reducing the unwinding speed of the cable and avoiding the cable from being dragged on the ground. That is, the unwinding speed of the cable is matched with the laying speed of the cable, improving the cable laying efficiency while also avoiding cable damage.

[0049] Refer to Figures 1-3, The linkage assembly includes a driving wheel 23 fixedly connected to the end of the shaft of the driving gear 15 close to one end of the mounting bracket 21. A rotating shaft 24 is rotatably connected to the outer wall of the support plate 3. One end of the rotating shaft 24 close to the driving wheel 23 is fixedly connected to a linkage wheel 25. A linkage belt 26 is arranged between the driving wheel 23 and the linkage wheel 25. A bevel gear set 27 that meshes with each other is arranged between the rotating shaft 24 and the end of the shaft of the reciprocating lead screw 22. Among them, the outer walls of the driving wheel 23 and the linkage wheel 25 are concave. When the driving wheel 23 and the linkage wheel 25 are at the maximum distance, the linkage belt 26 is in close contact with the driving wheel 23 and the linkage wheel 25.

[0050] After the cable reel is lifted, as the cable passes through the guiding ring 32, the sliding connecting plate 31 will move outward along the variable resistor 30, adsorb the gas or liquid in the transverse groove 54, so that the plug-in block 55 is separated from the plug-in hole 53. Then, under the action of the first spring 7, the pressing plate 6 is driven to move to the initial position. At the same time, the telescopic rod 12 is driven to contract inward, driving the adjusting frame 13 to move to the initial position. At this time, the driving gear 15 is disengaged from the driven gear 16, and at the same time, the locking block 17 meshes with the driven gear 16 to lock the driven gear 16, ensuring the stability of the suspended state of the cable reel. And at this time, the linkage belt 26 is in close contact with the linkage wheel 25 and the driving wheel 23. After the driving motor 14 is started again, the rotating shaft 24 is driven to rotate by the driving gear 15. Under the action of the bevel gear set 27, the reciprocating lead screw 22 is driven to rotate, so as to realize the guiding of the cable during unreeling.

[0051] Refer to Figure 3 , It also includes a transmission wheel 33 fixedly connected to the reciprocating lead screw 22. One end of the shaft of the guide wheel 19 close to the transmission wheel 33 is fixedly connected to a connecting wheel 20. A tensioning groove 34 is formed in the inner wall of the support plate 3. A limiting block 35 is slidably connected inside the tensioning groove 34. A second spring 36 is fixedly connected between the limiting block 35 and the tensioning groove 34. A tensioning wheel 37 is rotatably connected to the limiting block 35. A belt 38 is sleeved on the transmission wheel 33, the connecting wheel 20 and the tensioning wheel 37.

[0052] When the reciprocating lead screw 22 rotates, it drives the transmission wheel 33 to rotate. Under the action of the tensioning wheel 37 and the belt 38, the connecting wheel 20 is driven to rotate, thereby driving the guide wheel 19 to rotate, realizing the winding and unwinding of the cable. Since the cable reel may be at different heights, that is, the height difference between the connecting wheel 20 and the transmission wheel 33 is in a changing state. During this process, the limiting block 35 will move under the action of the second spring 36, driving the tensioning wheel 37 to move, so that the belt 38 is always in a taut state, thus ensuring the stability of the cable winding and unwinding.

[0053] Embodiment 2:

[0054] A method for winding and unwinding cables for subway electromechanical construction includes the following steps:

[0055] Step 1: First, push the cable reel onto the device and make the cable reel stop at the designated position of the device;

[0056] The cable reel is generally cylindrical. Even if it is heavy, it is convenient to push the cable reel. By pushing, compared with lifting, the potential safety hazard is smaller.

[0057] Step 2: Under the gravity of the cable reel, switch the rotating part of the device through the adjusting mechanism;

[0058] After the cable reel reaches the designated position, it will compress the pressure plate 6. The height of the adjusting mechanism can be adjusted by hydraulic means to facilitate lifting the cable reel.

[0059] Step 3: After the device is started, the shaft end of the cable reel can be lifted to make the cable reel in a suspended state;

[0060] Step 4: Subsequently, pass the end of the cable through the guiding and variable-speed mechanism. Under the gravity of the cable, the reset mechanism returns to the initial state. At this time, the rotating part of the device is switched to the initial state through the adjusting mechanism;

[0061] After the cable passes through the guiding ring 32, the locking of the pressure plate 6 is released, and at the same time, the adjusting mechanism returns to the initial position. Then, starting the driving motor 14 can drive the reciprocating lead screw 22 and the guide wheel 19 to rotate, realizing the winding and unwinding and guiding of the cable.

[0062] Step 5: Subsequently, starting the device can drive the cable reel to rotate and at the same time drive the guiding and variable-speed mechanism to move reciprocally to guide the winding and unwinding of the cable.

[0063] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution and inventive concept of the present invention, makes equivalent substitutions or changes, and should be covered by the protection scope of the present invention.

Claims

1. A cable retracting and releasing device for metro electromechanical construction, comprising a base (1) and two sets of support plates (3) mounted on the base (1), characterized in that: Also includes: A pressing plate (6) is arranged on the base (1), and a reset mechanism is arranged between the pressing plate (6) and the base (1) for supporting the pressing plate (6); Slide blocks (9) are symmetrically arranged on the support plate (3), a storage platform (18) is fixedly connected between the slide blocks (9) on the same side, a rack (11) is fixedly connected to the side of the slide block (9) away from the support plate (3), and a driven gear (16) meshing with the gear is rotatably connected to the side of the support plate (3) close to the rack (11). Wherein, an adjustment mechanism is provided on a side of the support plate (3) close to the driven gear (16), and the relative position between the adjustment mechanism and the driven gear (16) can be adjusted through the pressure plate (6) and the reset mechanism; A mounting frame (21) is fixedly connected to the two groups of support plates (3); a reciprocating screw (22) is rotatably connected to the mounting frame (21); a guide speed change mechanism is arranged on the reciprocating screw (22); a linkage assembly is arranged between the reciprocating screw (22) and the adjustment mechanism; when the adjustment mechanism is located at the bottom, the reciprocating screw (22) can be driven by the linkage assembly to drive the guide speed change mechanism to move back and forth.

2. A cable retracting and releasing device for metro electromechanical construction according to claim 1, characterized in that: The reset mechanism comprises a groove (4) formed on the base (1), a plurality of support assemblies (5) being fixedly connected inside the groove (4), the pressure plate (6) being fixedly connected to the end of the support assembly (5), the pressure plate (6) being in contact with the inner wall of the groove (4), and a first spring (7) sleeved on the support assembly (5) being fixedly connected between the pressure plate (6) and the bottom of the groove (4).

3. A cable retracting and releasing device for metro electromechanical construction according to claim 2, characterized in that: The support assembly (5) comprises a support tube (51) fixedly connected to the bottom of the groove (4); a support rod (52) is slidably connected to the interior of the support tube (51); the support rod (52) is connected to the pressure plate (6); a plurality of groups of plug holes (53) are provided on the outer wall of the support rod (52); a transverse groove (54) is provided on one side of the support tube (51) close to the plug hole (53); a plug block (55) matching the plug hole (53) is slidably connected to the interior of the transverse groove (54); The tops of the plug-in hole (53) and the plug-in block (55) are arranged at an angle, and a blocking bar (56) is fixedly connected to the top of the groove (4).

4. A cable retracting and releasing device for metro electromechanical construction according to claim 3, characterized in that: The support plate (3) is provided with a slide groove (8) matching the slider (9), the outer wall of the support plate (3) is provided with a through hole (10) matching the rack (11), the central position of the storage platform (18) is symmetrically inclined, and the inclined position of the storage platform (18) is rotatably connected to a guide wheel (19), and the distance between the two groups of guide wheels (19) on the same side is smaller than the shaft diameter of the cable drum.

5. A cable retracting and releasing device for metro electromechanical construction according to claim 4, characterized in that: The adjustment mechanism comprises telescopic rods (12) symmetrically fixedly connected to the outer wall of the support plate (3), the ends of two groups of telescopic rods (12) on the same side are fixedly connected to an adjustment frame (13), one group of the outer wall of the adjustment frame (13) is fixedly connected to a driving motor (14), the inner wall of the adjustment frame (13) is rotatably connected to a driving gear (15), one group of the shaft ends of the driving gear (15) is connected to the output end of the driving motor (14), and a locking block (17) matching the driven gear (16) is fixedly connected to the inner wall above the adjustment frame (13). The telescopic rod (12) is connected to the accommodating space of the support tube (51) and the support rod (52) via a pipeline.

6. A cable retracting and releasing device for metro electromechanical construction according to claim 5, characterized in that: The guide speed change mechanism comprises a moving block (28) arranged on a reciprocating screw (22), a positioning block (29) slidably connected to the mounting frame (21) being fixedly connected to the moving block (28), a variable resistance element (30) being fixedly connected to the moving block (28), a sliding connection plate (31) being slidably connected inside the variable resistance element (30), a guide ring (32) being fixedly connected to one end of the sliding connection plate (31) away from the variable resistance element (30), and a plurality of groups of third springs (39) being fixedly connected between the sliding connection plate (31) and the variable resistance element (30). The variable resistor (30) and the sliding connection plate (31) are electrically connected to the drive motor (14); when the sliding connection plate (31) moves outward along the variable resistor (30), the resistance of the drive motor (14) decreases; and the accommodation space between the variable resistor (30) and the sliding connection plate (31) is connected to the transverse groove (54) via a pipeline.

7. A cable retracting and releasing device for metro electromechanical construction according to claim 5, characterized in that: The linkage assembly comprises a driving wheel (23) fixedly connected to an end of a shaft of a driving gear (15) close to an end of a mounting frame (21); a rotating shaft (24) is rotatably connected to an outer wall of the support plate (3); an end of the rotating shaft (24) close to the driving wheel (23) is fixedly connected to a linkage wheel (25); a linkage belt (26) is provided between the driving wheel (23) and the linkage wheel (25); and a bevel gear set (27) meshing with each other is provided between the rotating shaft (24) and an end of a shaft of a reciprocating screw (22). The outer walls of the driving wheel (23) and the linkage wheel (25) are concave, and when the driving wheel (23) and the linkage wheel (25) are at a maximum distance, the linkage belt (26) is tightly fitted to the driving wheel (23) and the linkage wheel (25).

8. A cable retracting and releasing device for metro electromechanical construction according to claim 4, characterized in that: It also includes a transmission wheel (33) fixedly connected to the reciprocating screw (22), a connecting wheel (20) fixedly connected to the axial end of the guide wheel (19) close to the transmission wheel (33), a tensioning groove (34) is opened on the inner wall of the support plate (3), a limit block (35) is slidably connected inside the tensioning groove (34), a second spring (36) is fixedly connected between the limit block (35) and the tensioning groove (34), a tensioning wheel (37) is rotatably connected to the limit block (35), and a belt (38) is sleeved on the transmission wheel (33), the connecting wheel (20) and the tensioning wheel (37).

9. A cable retracting and releasing device for metro electromechanical construction according to claim 4, characterized in that: It also includes a slope (2) fixedly connected to the base (1), the slope (2) being located on a side of the base (1) away from the mounting frame (21), the top of the pressing plate (6) being arranged in an arc shape, and the pressing plate (6) being located below the center position of the two sets of guide wheels (19).

10. A method for retracting and releasing a cable for metro electromechanical construction, using a cable retracting and releasing device for metro electromechanical construction according to any one of claims 1 to 9, characterized in that: The steps include: Step 1: First, push the cable reel onto the equipment and stop it at the designated position of the equipment; Step 2: Under the gravity of the cable drum, the rotating part of the equipment is switched by adjusting the mechanism; Step 3: After the equipment is started, the shaft end of the cable drum can be lifted so that the cable drum is suspended; Step 4: Then, the end of the cable is passed through the guide speed change mechanism. Under the action of the gravity of the cable, the reset mechanism is restored to the initial state. At this time, the rotating part of the device is switched to the initial state through the adjustment mechanism; Step 5: Then, the starting device can drive the cable drum to rotate, and at the same time drive the guide speed change mechanism to move back and forth to guide the retraction and release of the cable.

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