Steel wire take-up and pay-off device for hoisting mechanical equipment

Abstract

The invention relates to the field of hoisting equipment, in particular to a steel wire take-up and pay-off device for hoisting mechanical equipment, which comprises take-up and pay-off equipment and a protection system, the take-up and pay-off equipment comprises a fixed bracket for supporting the whole device; the servo motor is fixedly connected to the inner bottom of the fixing support and used for providing power for the whole device; the wire arrangement adjusting block is installed in the fixing support, is in transmission connection with the servo motor and is used for controlling automatic wire arrangement when the steel wire is wound, and the interior of the wire arrangement adjusting block is rotationally connected with a connecting block; and the fixed block is fixedly mounted on the inner side of the fixed bracket, is matched with the flat cable adjusting block for use, and is used for stabilizing a hoisted object. By means of the protection system, the phenomenon that articles are damaged due to the fact that the articles fall to the ground too fast can be prevented, the safety of the device can be greatly improved through mechanical braking, faults are reduced, and the articles can be prevented from shaking while even wire arrangement is facilitated.

Description

Technical Field

[0001] The invention relates to the field of lifting equipment, and in particular to a steel wire retracting and releasing device for lifting mechanical equipment. Background Art

[0002] Lifting equipment refers to electromechanical equipment used to transport or move heavy objects. Most lifting equipment begins a vertical or vertical and horizontal working stroke after picking up materials, unloads after reaching the destination, and then travels empty to the material picking location, completing a working cycle, and then performs a second lifting or moving. Generally speaking, when the lifting equipment is working, picking up materials, moving and unloading are carried out in sequence, and the work of each corresponding mechanism is intermittent.

[0003] After searching, the Chinese utility model patent with application number CN201921971150.1 provides a lifting device, which relates to the field of building construction technology. More specifically, it relates to a lifting device, the technical scheme of which is as follows: it includes a lifting block, two clamping members and two steel wire ropes, the lifting block is provided with a lifting ring, and the lifting block is provided with a receiving chamber; the receiving chamber is provided with two winding wheels, both winding wheels are provided with winding grooves, a transmission assembly is provided between the two winding wheels, and a driving assembly for driving the winding wheels to rotate is provided in the receiving chamber; the two clamping members are used to clamp the two ends of the steel structure member, one end of the two steel wire ropes is respectively connected to the two clamping members, and both ends of the lifting block are provided with through grooves connected to the receiving chamber, and the other ends of the two steel wire ropes are respectively fixedly connected to the two winding grooves through the two through grooves. The lifting device can adjust the length of the steel wire rope according to the steel structure members of different lengths, thereby reducing the situation in which the steel structure member shakes greatly during the lifting process due to the excessive hanging height of the steel wire rope.

[0004] In the above patent, the possibility of shaking is reduced, and in the process of winding the steel wire, the through groove and the winding groove are fixed. Therefore, in the process of winding, the steel wire will be stacked on the outside of the winding groove, which is not convenient for wire arrangement. When the lifting device in the prior art lifts heavy objects, when the motor fails, when the winding motor fails, there is a risk of falling.

[0005] Therefore, it is necessary to invent a wire retracting and releasing device for lifting mechanical equipment to solve the above problems. Summary of the invention

[0006] The purpose of the present invention is to provide a wire retracting device for lifting mechanical equipment to solve the problem in the prior art that the wires are stacked on the outside of the reeling groove, making it inconvenient to arrange the wires. When the lifting device in the prior art lifts heavy objects, there is a risk of falling when the motor fails or the reeling motor fails.

[0007] In order to achieve the above object, the present invention provides the following technical solution: a wire retracting device for lifting mechanical equipment, comprising a retracting device and a protection system, wherein the retracting device comprises A fixed bracket, used to support the entire device; A servo motor is fixedly connected to the inner bottom of the fixed bracket and is used to provide power to the entire device; The wire arrangement adjustment block is installed inside the fixed bracket and is connected to the servo motor for controlling the automatic arrangement of the wire when the wire is wound. The internal rotation of the wire arrangement adjustment block is connected to the connection block. The fixing block is fixedly installed on the inner side of the fixing bracket and is used together with the cable adjustment block to stabilize the lifted objects; A protective bracket, fixedly connected to the side of the fixed bracket, is used for providing safety protection for the device; The movable bracket is located inside the protective bracket and is slidably connected to the protective bracket. An electric push rod for driving the movable bracket to slide is installed inside the protective bracket.

[0008] As a preferred solution of the present invention, a protective cover is fixedly connected to the inner side of the bottom of the fixed bracket, the protective cover is fan-shaped, both ends of the protective cover are fixedly connected to protective barrels, the interior of the protective barrel is hollow and open downward, the bottom of the protective barrel is fixedly connected to a side panel in an L shape, and a baffle is connected between the two side panels.

[0009] As a preferred solution of the present invention, the servo motor is installed at the end of the protective barrel, and a reducer is installed at the output end of the servo motor, the output end of the reducer is fixedly connected to a retractable roller that passes through the protective barrel, both ends of the retractable roller are fixedly connected to the outer sides with driving gears, the end of the retractable roller away from the servo motor is fixedly connected to a driving rotating rod, the bottom of the driving gear is meshedly connected to a driven gear that is rotatably connected to the side plate, and a transmission roller is fixedly connected between the two driven gears.

[0010] As a preferred solution of the present invention, the wire arrangement adjustment block is sleeved on the outer side of the transmission roller, and the end of the wire arrangement adjustment block is fixedly connected to two connecting plates, the inner sides of the two connecting plates are provided with guide rails, two sliding plates are slidably connected between the two connecting plates, both ends of the sliding plates are fixedly connected with sliders located inside the guide rails and slidably connected to the guide rails, two rotating blocks are rotatably connected between the two sliding plates, and the two rotating blocks cooperate with each other.

[0011] As a preferred solution of the present invention, the fixed block is fixedly connected to the inner side of the baffle, the end of the fixed block is fixedly connected to the fixed threading block, the fixed threading block is penetrated by a through hole, both ends of the through hole are rounded, a limiting ring fixedly connected to the fixed threading block is arranged inside the through hole, the outer side of the limiting ring is rotatably connected to a movable ring, and there are multiple movable rings, and the multiple movable rings are distributed in a circular array about the center point of the limiting ring.

[0012] As a preferred solution of the present invention, a sliding hole matching the transmission roller is provided inside the cable adjustment block, a mounting groove is provided on the inner wall of the sliding hole, the connecting block is fixed on the inner wall of the mounting groove, a rotating bearing is fixedly connected to the end of the connecting block, a guide block is fixedly connected to the end of the rotating bearing, both ends of the guide block are rounded, and the guide block is arranged in an arc shape, a first spiral guide rail and a second spiral guide rail arranged in a spiral shape are provided on the outer side of the transmission roller, the thread directions of the first spiral guide rail and the second spiral guide rail are opposite, the ends of the first spiral guide rail and the second spiral guide rail are connected, and the connection is arranged in an arc shape, and the first spiral guide rail and the second spiral guide rail are both adapted to the guide block.

[0013] As a preferred solution of the present invention, the bottom pipe of the protective bracket is connected to a connecting bearing, and the internal rotation of the connecting bearing is connected to a driven rotating rod, the end of the driven rotating rod is engaged with the active rotating rod, and the outer side of the driven rotating rod is fixedly connected to a first ratchet and a second ratchet of the same shape, the tooth blocks on the outer sides of the first ratchet and the second ratchet are staggered, and a sliding rail is opened inside the protective bracket.

[0014] As a preferred solution of the present invention, the end of the movable bracket is fixedly connected to a movable block slidably connected to the slide rail, the interior of the movable bracket is rotatably connected to a ratchet, the top of the ratchet is provided with a torsion spring, the interior of the movable bracket is fixedly connected to a limit block cooperating with the ratchet, the interior of the movable bracket is fixedly connected to an anti-falling block located above the ratchet, the end of the ratchet is fixedly connected to a latch tooth, and the latch tooth cooperates with both the second ratchet and the first ratchet.

[0015] As a preferred solution of the present invention, the protection system includes a single-chip microcomputer, a speed sensor is arranged on the side of the driving gear, a detection system is arranged inside the servo motor, the output ends of the speed sensor and the detection system are electrically connected to an A / D converter, the output end of the A / D converter is electrically connected to the single-chip microcomputer, the output end of the single-chip microcomputer is electrically connected to a display and a D / A converter, the output end of the D / A converter is electrically connected to an alarm, and the input end of the electric push rod is electrically connected to the D / A converter.

[0016] In the above technical solution, compared with the prior art, the technical effects and advantages provided by the present invention are as follows: The user can fix the steel wire on the retractable roller, then pass the steel wire between the two rotating blocks and through the perforation inside the fixed threading block, and then fix the object to be lifted on the bottom of the steel wire, and then start the servo motor to drive the steel wire to be reeled up, and reel the steel wire on the outside of the retractable roller, wherein the wire arrangement adjustment block reciprocates on the transmission roller to guide the steel wire so that the steel wire can be evenly arranged on the surface of the retractable roller, and the guide block is located inside the first spiral guide rail, wherein the driving gear and the driven gear have the same shape, so that every time the retractable roller rotates one circle, the transmission roller also rotates one circle, so that the sliding plate can slide according to the spacing of the first spiral guide rail, which is convenient for uniform wire arrangement, wherein the first spiral guide rail and the second spiral guide rail have opposite thread directions, and the ends of the first spiral guide rail and the second spiral guide rail are connected, and when the guide block reaches the end of the first spiral guide rail, it can smoothly enter the interior of the second spiral guide rail so that the guide block returns; When the steel wire is being wound up and the ratchet is located outside the second ratchet wheel, the retracting roller drives the driven rotating rod and the second ratchet wheel to rotate clockwise. Since the ratchet has a certain elasticity under the action of the torsion spring, it does not affect the rotation of the second ratchet wheel. When the second ratchet wheel reverses, the ratchet automatically engages it to prevent the second ratchet wheel from reversing. Therefore, it can prevent the winding device from malfunctioning and causing the steel wire to be suddenly unwound, causing the object to fall. When the steel wire is being unwound, the first ratchet rotates counterclockwise. In order to prevent the ratchet from interfering, at this time, the electric push rod drives the ratchet to reciprocate on the surfaces of the first ratchet wheel and the second ratchet wheel, wherein the clamping teeth at the bottom of the ratchet also slide back and forth between the first ratchet wheel and the second ratchet wheel. The driven rotating rod rotates the distance of a ratchet clamping tooth once the ratchet protection slides back and forth, so as to facilitate the speed limit of the lowered steel wire. Even if the electric push rod fails, it will not cause the object to fall, preventing the device from falling too fast and causing damage to the objects. Mechanical braking can greatly improve the safety of the device and reduce the occurrence of failures. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present invention. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0018] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a schematic diagram of the connection structure between the cable adjustment block and the side plate of the present invention; Figure 3 This is a schematic diagram of the internal structure of the protective barrel of the present invention; Figure 4 It is a schematic diagram of the connection structure between the protection bracket and the protection cover of the present invention; Figure 5 It is a schematic diagram of the three-dimensional structure of the cable adjustment block of the present invention; Figure 6 It is a schematic diagram of the connection structure between the connecting wire adjustment block and the connecting block of the present invention; Figure 7 It is a schematic diagram of the three-dimensional structure of the connection block of the present invention; Figure 8 It is a schematic diagram of the three-dimensional structure of the fixing block of the present invention; Fig. 9 It is a schematic diagram of the internal structure of the fixing block of the present invention; Fig.10 It is a schematic diagram of the connection structure between the protective support and the movable support of the present invention; Fig.11 It is a schematic diagram of the internal structure of the movable bracket of the present invention; Fig.12 It is a schematic diagram of the connection structure between the ratchet and the first ratchet wheel of the present invention; Fig.13 It is a schematic diagram of the connection structure between the latch teeth and the first ratchet wheel of the present invention; Fig.14 It is a schematic diagram of the three-dimensional structure of the transmission roller of the present invention; Fig.15 It is a system control flow chart of the present invention.

[0019] Description of reference numerals: 001, fixed bracket; 002, servo motor; 003, cable adjustment block; 004, connection block; 005, fixed block; 006, protective bracket; 007, movable bracket; 008, single chip microcomputer; 101. protective cover; 102. protective barrel; 103. side panel; 201, reducer; 202, retractable roller; 203, driving gear; 204, driving rotating rod; 205, driven gear; 206, transmission roller; 261, first spiral guide rail; 262, second spiral guide rail; 301, connecting plate; 302, slide rail; 303, sliding plate; 304, rotating block; 305, limiting rod; 401, rotating bearing; 402, guide block; 501, fixed threading block; 502, movable ring; 601, connecting bearing; 602, driven rotating rod; 603, first ratchet; 604, second ratchet; 605, slide rail; 606, electric push rod; 701, movable block; 702, limit block; 703, torsion spring; 704, ratchet; 705, anti-falling block; 706, latching tooth; 801. Speed ​​sensor; 802. Detection system. Implementation

[0020] In order 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.

[0021] The present invention provides Figure 1-14 The wire retracting and releasing device of a lifting mechanical device shown in the figure comprises a retracting and releasing device and a protection system, wherein the retracting and releasing device comprises Fixed bracket 001 is used to support the whole device; when in use, the user can install it at the designated position of the required lifting equipment; The servo motor 002 is fixedly connected to the inner bottom of the fixed bracket 001 and is used to provide power to the entire device; The wire arrangement adjustment block 003 is installed inside the fixed bracket 001 and is connected to the servo motor 002 for controlling the automatic arrangement of the wire when winding. The wire arrangement adjustment block 003 is rotatably connected to the connection block 004; The fixing block 005 is fixedly mounted on the inner side of the fixing bracket 001 and is used together with the cable adjustment block 003 to stabilize the lifted object; The protective bracket 006 is fixedly connected to the side of the fixed bracket 001 and is used for safety protection of the device; The movable bracket 007 is located inside the protective bracket 006 and is slidably connected to the protective bracket 006. An electric push rod 606 for driving the movable bracket 007 to slide is installed inside the protective bracket 006.

[0022] In specific use, the user can fix the steel wire on the retractable roller 202, then pass the steel wire between the two rotating blocks 304 and through the perforation inside the fixed threading block 501, and then fix the object to be lifted at the bottom of the steel wire, and then start the servo motor 002 to drive the steel wire to be reeled, and reel the steel wire on the outside of the retractable roller 202, wherein the wire arrangement adjustment block 003 slides back and forth on the transmission roller 206, so as to guide the steel wire so that the steel wire can be evenly arranged on the surface of the retractable roller 202; When the steel wire is being wound, and the ratchet 704 cooperates with the second ratchet 604, the second ratchet 604 rotates clockwise. Since the ratchet 704 has a certain elasticity under the action of the torsion spring 703, it does not affect the rotation of the second ratchet 604. When a fault occurs behind the device, the ratchet 704 can limit the second ratchet 604 to prevent the second ratchet 604 from reversing and causing items to fall. When the steel wire is being unwound, the first ratchet 603 rotates counterclockwise. At the same time, the electric push rod 606 cooperates with the servo motor 002 to drive the ratchet 704 to reciprocate on the surfaces of the first ratchet 603 and the second ratchet 604, which can limit the rotation speed of the first ratchet 603 and the second ratchet 604 to prevent items from falling too quickly and causing damage to the items.

[0023] Among them, a protective cover 101 is fixedly connected to the inner side of the bottom of the fixed bracket 001. The protective cover 101 is fan-shaped and can protect the retracting roller 202. Both ends of the protective cover 101 are fixedly connected to protective barrels 102. The inside of the protective barrel 102 is hollow and opened downward. The bottom of the protective barrel 102 is fixedly connected to an L-shaped side plate 103, and a baffle is connected between the two side plates 103.

[0024] In the structure, the servo motor 002 is installed at the end of the protective barrel 102, and the output end of the servo motor 002 is installed with a reducer 201, the output end of the reducer 201 is fixedly connected with a retractable roller 202 that penetrates the protective barrel 102, the outer sides of both ends of the retractable roller 202 are fixedly connected with a driving gear 203, the end of the retractable roller 202 away from the servo motor 002 is fixedly connected with a driving rotating rod 204, the bottom of the driving gear 203 is meshedly connected with a driven gear 205 that is rotatably connected to the side plate 103, and a transmission roller 206 is fixedly connected between the two driven gears 205; During specific use, the user can start the servo motor 002, and the servo motor 002 drives the retracting roller 202 to rotate through the reducer 201, so as to reel the steel wire on the outside of the retracting roller 202 to lift the object, and the retracting roller 202 drives the two driving gears 203 to rotate inside the protective barrel 102, and the driven gear 205 passes through the opening at the bottom of the protective barrel 102 and meshes with the active rotating rod 204, and the driving gear 203 drives the transmission roller 206 to rotate synchronously through the driven gear 205.

[0025] When in use, when the steel wires are wound around the outer side of the retracting roller 202 layer by layer, the distance between the outer layer and the inner layer of the retracting roller 202 will gradually expand. In order to reduce friction, the wire arrangement adjustment block 003 is sleeved on the outer side of the driving roller 206, and the end of the wire arrangement adjustment block 003 is fixedly connected to two connecting plates 301, and the inner sides of the two connecting plates 301 are provided with guide rails 302, and two sliding plates 303 are slidably connected between the two connecting plates 301, and both ends of the sliding plates 303 are fixedly connected with sliders located inside the guide rails 302 and slidably connected to the guide rails 302, and two rotating blocks 304 are rotatably connected between the two sliding plates 303, and the two rotating blocks 304 cooperate with each other; Specifically, when the steel wire is wound layer by layer on the outside of the retracting roller 202, the sliding plate 303 is adjusted accordingly, wherein the slider on the side of the sliding plate 303 slides freely inside the guide rail 302, and can adjust the distance between the rotating block 304 and the cable adjustment block 003, so that the steel wire can better cooperate with the retracting roller 202. The rotating block 304 and the sliding plate 303 are rotatably connected by a bearing, so that the rotating block 304 can rotate with the movement of the steel wire, reducing the friction and resistance of the steel wire, and the rotating block 304 is concavely set to cooperate with the steel wire, which is convenient for limiting the steel wire.

[0026] As a further optimization of the present invention, the fixed block 005 is fixedly connected to the inner side of the baffle, the end of the fixed block 005 is fixedly connected to the fixed threading block 501, the fixed threading block 501 is penetrated by a perforation, both ends of the perforation are rounded, a limiting ring fixedly connected to the fixed threading block 501 is arranged inside the perforation, the outer side of the limiting ring is rotatably connected to a movable ring 502, and a plurality of movable rings 502 are arranged, and the plurality of movable rings 502 are distributed in a circular array about the center point of the limiting ring; Specifically, the steel wire is perforated and the fixed block 005 is fixed, which can limit the steel wire to prevent the steel wire from moving with the movement of the wiring adjustment block 003 when the steel wire is arranged, causing the hoisted objects to swing and causing instability. The movable rings 502 rotate with the limiting rings. No matter which direction the steel wire is biased, it can contact one of the movable rings 502, and the rotating movable rings 502 can reduce the friction on the steel wire and reduce resistance.

[0027] In a further optimization of the above embodiment, a sliding hole matching with the transmission roller 206 is arranged inside the cable adjustment block 003, a mounting groove is opened on the inner wall of the sliding hole, the connecting block 004 is fixed on the inner wall of the mounting groove, the end of the connecting block 004 is fixedly connected with a rotating bearing 401, the end of the rotating bearing 401 is fixedly connected with a guide block 402, both ends of the guide block 402 are rounded, and the guide block 402 is arranged in an arc shape matching with the transmission roller 206, so as to facilitate the guiding of the guide block 402. The outer side of the driving roller 206 is provided with a first spiral guide rail 261 and a second spiral guide rail 262 in a spiral shape. The thread directions of the first spiral guide rail 261 and the second spiral guide rail 262 are opposite. The ends of the first spiral guide rail 261 and the second spiral guide rail 262 are connected, and the connection is arranged in an arc shape, so as to facilitate guiding the guide block 402 and prevent it from getting stuck. The first spiral guide rail 261 and the second spiral guide rail 262 are both adapted to the guide block 402, so as to facilitate the guide block 402 to move inside them. When in use, the guide block 402 is located inside the first spiral guide rail 261, the inner part of the side plate 103 is fixedly connected to the limit rod 305, the cable arrangement adjustment block 003 passes through the limit rod 305 and is slidably connected to the limit rod 305, and the cable arrangement adjustment block 003 is limited by the limit rod 305, and the transmission roller 206 rotates to make the guide block 402 inside the cable arrangement adjustment block 003 slide inside the first spiral guide rail 261, wherein the driving gear 203 and the driven gear 205 have the same shape, so every time the retractable roller 202 rotates one circle, the transmission roller 206 also rotates one circle, making the sliding The movable plate 303 can slide according to the spacing of the first spiral guide rail 261, so as to facilitate uniform cable arrangement, wherein the thread directions of the first spiral guide rail 261 and the second spiral guide rail 262 are opposite, and the ends of the first spiral guide rail 261 and the second spiral guide rail 262 are connected. When the guide block 402 reaches the end of the first spiral guide rail 261, it can smoothly enter the interior of the second spiral guide rail 262 so that the guide block 402 returns. The guide block 402 is set to be a long strip, which can prevent misalignment at the intersection of the first spiral guide rail 261 and the second spiral guide rail 262.

[0028] The bottom pipe of the protection bracket 006 is connected with a connecting bearing 601, and the inner part of the connecting bearing 601 is rotatably connected with a driven rotating rod 602, and the end of the driven rotating rod 602 is engaged with the active rotating rod 204, so that the retracting roller 202 can drive the driven rotating rod 602 to rotate synchronously, and the outer side of the driven rotating rod 602 is fixedly connected with a first ratchet 603 and a second ratchet 604 of the same shape, and the tooth blocks on the outer sides of the first ratchet 603 and the second ratchet 604 are staggered, and a slide rail 605 is provided inside the protection bracket 006; In the above structure, the end of the movable bracket 007 is fixedly connected with a movable block 701 slidably connected to the slide rail 605, the electric push rod 606 can drive the movable block 701 to slide inside the slide rail 605, and can limit the movable bracket 007, the movable bracket 007 is internally rotatably connected with a ratchet 704, the top of the ratchet 704 is provided with a torsion spring 703, the movable bracket 007 is internally fixedly connected with a limit block 702 matched with the ratchet 704, the interior of the movable bracket 007 is fixedly connected with an anti-falling block 705 located above the ratchet 704, and can limit the rotation angle of the ratchet 704, the end of the ratchet 704 is fixedly connected with a latch 706, and the latch 706 is matched with both the second ratchet 604 and the first ratchet 603; When in use, when the steel wire is being wound, and the ratchet 704 is located outside the second ratchet 604, the rewinding roller 202 drives the driven rotating rod 602 and the second ratchet 604 to rotate clockwise. Since the ratchet 704 has a certain elasticity under the action of the torsion spring 703, it does not affect the rotation of the second ratchet 604. When the second ratchet 604 reverses, the ratchet 704 automatically engages it to prevent the second ratchet 604 from reversing. Therefore, it can prevent the winding device from malfunctioning and causing the steel wire to be suddenly unwound, causing the object to fall. When the steel wire is being unwound, the first ratchet 603 rotates counterclockwise. In order to prevent the ratchet 704 from interfering At this time, the electric push rod 606 drives the ratchet 704 to reciprocate on the surface of the first ratchet 603 and the second ratchet 604, wherein the locking tooth 706 at the bottom of the ratchet 704 also slides back and forth between the first ratchet 603 and the second ratchet 604, and the ratchet 704 protects the reciprocating sliding once, and the driven rotating rod 602 rotates the distance of a ratchet tooth, so as to limit the speed of the lowered steel wire, and even if the electric push rod 606 fails, it will not cause the object to fall, and the device can be prevented from causing damage to the object by falling to the ground too quickly. Mechanical braking can greatly improve the safety of the device and reduce the occurrence of failures.

[0029] In further optimization of the above embodiment, the protection system includes a single chip microcomputer 008, a speed sensor 801 is provided on the side of the driving gear 203, a detection system 802 is provided inside the servo motor 002, the output ends of the speed sensor 801 and the detection system 802 are electrically connected to an A / D converter, the output end of the A / D converter is electrically connected to the single chip microcomputer 008, the output end of the single chip microcomputer 008 is electrically connected to a display and a D / A converter, the output end of the D / A converter is electrically connected to an alarm, and the input end of the electric push rod 606 is electrically connected to the D / A converter; The speed sensor 801 can detect the rotation speed of the driving gear 203, the detection system 802 can detect the fault of the servo motor 002, and convert the detected data into an analog signal through an A / D converter and output it to the single-chip computer 008. The single-chip computer 008 converts the analog signal into a control signal output, thereby controlling the movement of the electric push rod 606. The display displays the data. When a fault occurs, the electric push rod 606 controls the ratchet 704 to be stationary and fixes it to prevent the driven rotating rod 602 from rotating, thereby stopping the steel wire from moving. The output speed of the servo motor 002 can be adjusted according to the speed of the steel wire, which greatly improves the safety and intelligence of the device and is easy to use.

[0030] The above description is only by way of illustration of certain exemplary embodiments of the present invention. It is undoubted that 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 above 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 wire retracting and releasing device for lifting mechanical equipment, comprising a retracting and releasing device and a protection system, characterized in that: The retractable device comprises A fixed bracket (001) is used to support the entire device; A servo motor (002) is fixedly connected to the inner bottom of the fixed bracket (001) and is used to provide power to the entire device; The wire arrangement adjustment block (003) is installed inside the fixed bracket (001) and is connected to the servo motor (002) for controlling the automatic arrangement of the wire when the wire is wound. The wire arrangement adjustment block (003) is rotatably connected to the connection block (004). A fixing block (005) is fixedly mounted on the inner side of the fixing bracket (001) and is used in conjunction with the cable adjustment block (003) to stabilize the lifted object; A protective bracket (006) is fixedly connected to the side of the fixed bracket (001) and is used for providing safety protection for the device; The movable bracket (007) is located inside the protective bracket (006) and is slidably connected to the protective bracket (006), and an electric push rod (606) for driving the movable bracket (007) to slide is installed inside the protective bracket (006).

2. A wire retracting and releasing device for lifting mechanical equipment according to claim 1, characterized in that: A protective cover (101) is fixedly connected to the inner side of the bottom of the fixed bracket (001), the protective cover (101) is arranged in a fan shape, and both ends of the protective cover (101) are fixedly connected to a protective barrel (102), the protective barrel (102) is hollow inside and is opened downward, and a side plate (103) arranged in an L shape is fixedly connected to the bottom of the protective barrel (102), and a baffle is connected between the two side plates (103).

3. A wire retracting and releasing device for lifting mechanical equipment according to claim 1, characterized in that: The servo motor (002) is mounted at the end of the protective barrel (102), and a reducer (201) is mounted at the output end of the servo motor (002); the output end of the reducer (201) is fixedly connected to a retractable roller (202) that passes through the protective barrel (102); both ends of the retractable roller (202) are fixedly connected to the outer sides thereof with a driving gear (203); one end of the retractable roller (202) away from the servo motor (002) is fixedly connected to a driving rotating rod (204); the bottom of the driving gear (203) is meshedly connected to a driven gear (205) that is rotatably connected to the side plate (103); and a transmission roller (206) is fixedly connected between the two driven gears (205).

4. The wire retracting and releasing device for lifting mechanical equipment according to claim 1, characterized in that: The cable arrangement adjustment block (003) is sleeved on the outside of the driving roller (206), and the end of the cable arrangement adjustment block (003) is fixedly connected to two connecting plates (301), the inner sides of the two connecting plates (301) are provided with guide rails (302), two sliding plates (303) are slidably connected between the two connecting plates (301), both ends of the sliding plates (303) are fixedly connected to sliders located inside the guide rails (302) and slidably connected to the guide rails (302), and two rotating blocks (304) are rotatably connected between the two sliding plates (303), and the two rotating blocks (304) cooperate with each other.

5. The wire retracting and releasing device for lifting mechanical equipment according to claim 1, characterized in that: The fixed block (005) is fixedly connected to the inner side of the baffle, and the end of the fixed block (005) is fixedly connected to a fixed threading block (501), and the fixed threading block (501) is provided with a through hole inside, and both ends of the through hole are rounded, and a limiting ring fixedly connected to the fixed threading block (501) is provided inside the through hole, and the outer side of the limiting ring is rotatably connected to a movable ring (502), and the movable ring (502) is provided with a plurality of them, and the plurality of movable rings (502) are distributed in a circular array about the center point of the limiting ring.

6. The wire retracting and releasing device for lifting mechanical equipment according to claim 1, characterized in that: The cable arrangement adjustment block (003) is provided with a sliding hole matched with the driving roller (206) inside, and a mounting groove is provided on the inner wall of the sliding hole. The connecting block (004) is fixed on the inner wall of the mounting groove. The end of the connecting block (004) is fixedly connected with a rotating bearing (401), and the end of the rotating bearing (401) is fixedly connected with a guide block (402). Both ends of the guide block (402) are rounded, and the guide block (402) is arranged in an arc shape. The outer side of the driving roller (206) is provided with a first spiral guide rail (261) and a second spiral guide rail (262) which are arranged in a spiral shape. The first spiral guide rail (261) and the second spiral guide rail (262) have opposite thread directions. The ends of the first spiral guide rail (261) and the second spiral guide rail (262) are connected, and the connection is arranged in an arc shape. The first spiral guide rail (261) and the second spiral guide rail (262) are both adapted to the guide block (402).

7. The wire retracting and releasing device for lifting mechanical equipment according to claim 1, characterized in that: The bottom pipe of the protective bracket (006) is connected to a connecting bearing (601), and the interior of the connecting bearing (601) is rotatably connected to a driven rotating rod (602), and the end of the driven rotating rod (602) is mutually engaged with the active rotating rod (204), and the outer side of the driven rotating rod (602) is fixedly connected to a first ratchet (603) and a second ratchet (604) of the same shape, and the tooth blocks on the outer sides of the first ratchet (603) and the second ratchet (604) are staggered, and a slide rail (605) is provided inside the protective bracket (006).

8. The wire retracting and releasing device for lifting mechanical equipment according to claim 1, characterized in that: The end of the movable bracket (007) is fixedly connected to a movable block (701) slidably connected to the slide rail (605); the interior of the movable bracket (007) is rotatably connected to a ratchet (704); a torsion spring (703) is arranged on the top of the ratchet (704); the interior of the movable bracket (007) is fixedly connected to a limit block (702) cooperating with the ratchet (704); the interior of the movable bracket (007) is fixedly connected to an anti-falling block (705) located above the ratchet (704); the end of the ratchet (704) is fixedly connected to a latch tooth (706); the latch tooth (706) is cooperating with both the second ratchet (604) and the first ratchet (603).

9. The wire retracting and releasing device for lifting mechanical equipment according to claim 3, characterized in that: The protection system comprises a single-chip microcomputer (008), a speed sensor (801) is arranged on the side of the driving gear (203), a detection system (802) is arranged inside the servo motor (002), the output ends of the speed sensor (801) and the detection system (802) are electrically connected to an A / D converter, the output end of the A / D converter is electrically connected to the single-chip microcomputer (008), the output end of the single-chip microcomputer (008) is electrically connected to a display and a D / A converter, the output end of the D / A converter is electrically connected to an alarm, and the input end of the electric push rod (606) is electrically connected to the D / A converter.

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