CN116768095A

CN116768095A - Winch capable of preventing quick paying-off

Info

Publication number: CN116768095A
Application number: CN202310454522.8A
Authority: CN
Inventors: 贾改芳
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-04-25
Filing date: 2023-04-25
Publication date: 2023-09-19

Abstract

The invention relates to the technical field of windlass, in particular to a windlass capable of preventing quick paying-off. Technical problems: provided is a hoist which is braked by centrifugal force and has high safety and can prevent rapid paying-off. The technical proposal is as follows: comprises a base and the like; the first rotating of base is connected with the pivot, rigid coupling has a section of thick bamboo in the pivot, its characterized in that still includes brake disc, expansion assembly, rolling disc, centrifugal block, base two, moving assembly, hollow cylinder and circular chuck, pivot one end rigid coupling has the brake disc, be equipped with expansion assembly on the brake disc. The invention has the beneficial effects that: when the winch breaks down or suddenly fails, a worker cannot find out in time, under the action of gravity, the goods can pull the steel wire rope to quickly descend, the rotating speed of the wire drum is increased, and the centrifugal force is generated to be larger when the rotating speed is higher, so that the centrifugal force quickly drives the circular chuck to be meshed with the triangular groove on the brake disc to carry out clamping braking.

Description

Winch capable of preventing quick paying-off

Technical Field

The invention relates to the technical field of windlass, in particular to a windlass capable of preventing quick paying-off.

Background

The hoist is a small and light hoisting device, also called winch, for hoisting or pulling heavy objects by winding steel wire ropes or chains by using reels. The hoist may vertically lift, horizontally or obliquely drag the weight. The steel wire rope is wound to realize the descending or lifting of the lifting weight, the lifting load is borne by the steel wire rope, the steel wire rope is wound and unwound, and the lifting of the object taking device is realized, so that the safety and the reliability of the lifting mechanical winding drum are very important.

But current hoist engine is when going up and down the goods through the hoist, and if the motor breaks down, the resistance that the reel received can reduce, and the goods can drop down fast under the effect of gravity this moment to pulling wire rope moves down fast, driving the reel and rotating fast and unwrapping wire, can lead to the damage of goods this moment, if serious, can smash machine or the object around, also smash the injury workman easily, the security is not high, also can influence the work efficiency of goods transportation simultaneously.

Disclosure of Invention

In order to overcome the hoist engine when using, like when the motor breaks down, the reel rotates fast and pays out the line, can lead to the damage of goods this moment, if serious, can smash machine or object around, also smash the shortcoming that hurts the workman easily, the security is not high, technical problem: a centrifugal force brake is provided which can avoid a hoist that can prevent quick paying-off.

The technical proposal is as follows: can prevent hoist engine of quick unwrapping wire, including base one, pivot and a section of thick bamboo, base one internal rotation is connected with the pivot, rigid coupling has a section of thick bamboo in the pivot, its characterized in that still includes brake disc, telescopic subassembly, rotor disc, centrifugal block, base two, moving assembly, hollow cylinder and circular chuck, pivot one end rigid coupling has the brake disc, be equipped with telescopic subassembly on the brake disc, swing joint has the rotor disc on the telescopic subassembly, be equipped with the centrifugal block on the brake disc, centrifugal block and rotor disc movable connection, be equipped with moving assembly on the base two, be equipped with the rotor disc on the moving assembly, be equipped with hollow cylinder and circular chuck on the moving assembly, hollow cylinder one end rigid coupling has circular chuck, the last triangle recess that is equipped with of rotor disc along annular even interval, circular chuck corresponds with triangle recess, centrifugal block is used for centrifugal force to drive moving assembly and removes, and moving assembly drives circular chuck and triangle recess chucking braking on the hollow cylinder.

Preferably, the centrifugal blocks comprise pull ropes, six centrifugal blocks are connected to the peripheral wall of the brake disc at equal intervals in a sliding mode, six pull ropes are connected to one end of the rotating disc at equal intervals, and the six pull ropes penetrate through the brake disc and are fixedly connected with the six centrifugal blocks.

Preferably, the telescopic assembly comprises a telescopic rod, a sliding column and an elastic piece I, one side of the brake disc is connected with the telescopic rod, the other end of the telescopic rod is connected with the rotating disc, the sliding column is fixedly connected on the rotating disc, and the elastic piece I is connected between the brake disc and the rotating disc.

Preferably, the moving assembly further comprises a sliding plate, a sliding block, a supporting seat and a hydraulic cylinder, the supporting seat is fixedly connected with the second base, the hydraulic cylinder is installed at the bottom side of the supporting seat, a sliding groove is formed in the supporting seat, the sliding block is slidably connected with the sliding groove in the supporting seat, the extending end of the hydraulic cylinder is in contact with the sliding block, the sliding plate is fixedly connected with the sliding block, a round T-shaped groove is formed in the sliding plate, a sliding column is rotationally connected with the T-shaped groove in the sliding plate, and a hollow cylinder is fixedly connected with the center of the sliding plate.

Preferably, the hollow cylinder comprises a brake column, the brake column is connected in a sliding manner in the hollow cylinder, a cross groove is formed in one end of the brake column, the brake column penetrates through the circular chuck and is connected with the circular chuck in a sliding manner, a cross limiting frame is arranged at the center of the brake disc, the cross groove corresponds to the cross limiting frame, and the cross groove is meshed with the brake disc and used for clamping the brake disc.

Preferably, the hollow cylinder comprises a first magnet, a second electromagnet and a second elastic member, one end of the brake column is connected with the first magnet, one end of the hollow cylinder is connected with the second electromagnet, two ends of the second elastic member are respectively connected with the first magnet and the second electromagnet, and the second electromagnet is electrically connected with a power supply end of the winch driving device through a circuit.

Preferably, the steel wire rope lifting device further comprises an E-shaped frame, a T-shaped frame and a resistance mechanism, wherein the E-shaped frame is fixedly connected to the first base, the T-shaped frame is slidably arranged in the E-shaped frame, the resistance mechanism is symmetrically arranged on the T-shaped frame and used for increasing resistance of the steel wire rope.

Preferably, the resistance mechanism comprises a rotating shaft, a pulley, a resistance bar, a fixed disc, a fixed shaft, an eccentric ring, a latch, a ratchet wheel, a mounting rod, a fixed ring, a first fixed rod, a second fixed rod and a tension spring, wherein the rotating shaft is rotationally connected to the T-shaped frame, one end of the rotating shaft is fixedly connected with the pulley, the resistance bar is uniformly spaced along the ring in the pulley, the fixed disc is fixedly connected to the rotating shaft, the fixed shaft is fixedly connected to one side, far away from a center point, of the fixed disc, the eccentric ring is rotationally connected to the fixed shaft, the latch is arranged on the periphery of the eccentric ring, the fixed ring is fixedly connected to the T-shaped frame, the mounting rod is fixedly connected to the ratchet wheel, the latch on the eccentric ring is positioned in the ratchet wheel, the fixed rod is fixedly connected to the fixed disc, the second fixed rod is fixedly connected to the eccentric ring, and two ends of the tension spring are respectively connected to the first fixed rod and the second fixed rod.

Preferably, the eccentric ring is provided with an arc-shaped block, an arc-shaped groove is arranged in the fixed disc, and the arc-shaped block is in sliding connection with the arc-shaped groove.

Preferably, the device further comprises a belt wheel I, a belt, a rotating seat, a reciprocating screw rod, a belt wheel II, a threaded ring and a guide wheel, wherein the belt wheel I is connected to one side, close to the base I, of the rotating shaft, the rotating seat is symmetrically and fixedly connected to the E-shaped frame, the reciprocating screw rod is rotationally connected to the rotating seat, one end of the reciprocating screw rod is connected with the belt wheel II, the belt is wound between the belt wheel I and the belt wheel II, the threaded ring is connected with the threaded ring in an internal thread mode, the guide wheel is rotationally connected to the threaded ring through a fixing frame, and the threaded ring is connected with the T-shaped frame.

1. The invention has the beneficial effects that: when the winch breaks down or suddenly fails, a worker cannot find out in time, under the action of gravity, the goods can pull the steel wire rope to quickly descend, the rotating speed of the wire drum is increased, the faster the rotating speed is, the larger the centrifugal force is generated, the centrifugal force is enabled to quickly drive the circular chuck to be meshed with the triangular groove on the brake disc for clamping and braking, when the worker finds out, the circular chuck is meshed with the triangular groove on the brake disc for clamping and braking, driving equipment on the winch is closed by the worker, the magnetism of the electromagnet is disappeared, the second elastic piece resets to drive a cross groove on the brake column to be meshed with a cross limiting frame on the brake disc for braking, the condition that the winch rotates during maintenance is avoided, and the function of double-layer clamping and braking is achieved.

2. The invention has the beneficial effects that: under the effect of gravity, goods can pull wire rope and descend fast, wire rope and resistance strip friction increase this moment, make pulley rotational speed accelerate, simultaneously the latch rotational speed on the fixed disk drive eccentric ring accelerates, make eccentric ring produce centrifugal force, eccentric ring is rotatory around the central point of fixed axle, eccentric ring drives the arc piece simultaneously and slides in the arc inslot, thereby tensile spring, latch and ratchet meshing chucking on the eccentric ring, make two pulleys stop rotating, make resistance strip increase frictional force, make wire rope can play the resistance of certain friction when descending fast.

3. The invention has the beneficial effects that: the reciprocating screw rod drives the threaded ring, the guide wheel and the resistance mechanism to reciprocate in the E-shaped frame, so that the function of carding the steel wire rope is achieved.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic perspective view of a brake disc and a brake column according to the present invention.

Fig. 3 is a schematic perspective view of the brake disc and centrifugal rotor of the present invention.

Fig. 4 is a schematic perspective view of a brake disc according to the present invention.

Fig. 5 is a schematic perspective view of the cross-shaped groove and circular chuck of the present invention.

Fig. 6 is a schematic perspective view of the hollow cylinder and brake column of the present invention.

Fig. 7 is a schematic perspective view of a brake post and a first magnet according to the present invention.

Fig. 8 is a schematic perspective view of a brake disc according to the present invention.

Fig. 9 is a schematic perspective view of a slider and a support base according to the present invention.

FIG. 10 is a schematic perspective view of a guide wheel and resistance mechanism of the present invention.

FIG. 11 is a schematic perspective view of a resistance mechanism of the present invention.

FIG. 12 is a schematic perspective view of a ratchet of the present invention.

Fig. 13 is a schematic perspective view of the fixed disc and the eccentric ring of the present invention.

Fig. 14 is a schematic perspective view of the ratchet, eccentric ring and tension spring of the present invention.

Reference numerals illustrate: the first 1_base, the first 101_e-type frame, the second 11_base, the second 2_spindle, the second 21_spool, the first 22_pulley, the 221_belt, the 3_brake disc, the 301_triangle groove, the 302_cross-shaped stop, the 31_telescoping rod, the 312_brake disc, the 313_slide column, the 32_eccentric block, the 321_pull cord, the first 33_spring, the 4_slide plate, the 41_slide, the 42_support seat, the 43_hydraulic cylinder, the 5_hollow cylinder, the 51_brake column, the 512_cross-shaped groove, the 6_circular chuck, the first 7_magnet, the second 71_electromagnet, the second 72_spring, the 8_brake seat, the 81_shuttle screw, the second 82_pulley, the 83_threaded ring, the 831_guide wheel, the 84_t-type frame, the 9_resistance mechanism, the 91_rotary shaft, the 911_pulley, the 912_resistance bar, the 92_fixed disc, the 921_fixed shaft, the 922_clamp, the 923_tooth, the 924_arc block, the 925_arc-shaped groove, the 93_ratchet, the 931_mount bar, the first 94_fixed ring, the 94_fixed rod, the first 94_fixed rod, the second 1_fixed rod, the second 942_fixed rod.

Description of the embodiments

The invention is further described below with reference to the drawings and the detailed description.

Examples

The utility model provides a hoist engine that can prevent quick unwrapping wire, as shown in fig. 1-9, including base 1, pivot 2, line section of thick bamboo 21, brake disc 3, telescopic link 31, rotor disc 312, sliding column 313, centrifugal piece 32, elastic component one 33, base two 11, slide plate 4, slider 41, supporting seat 42, pneumatic cylinder 43, hollow cylinder 5 and circular chuck 6, 1 internal rotation of base is connected with pivot 2, the rigid coupling has line section of thick bamboo 21 on pivot 2, pivot 2 one end rigid coupling has brake disc 3, brake disc 3 one side is connected with telescopic link 31, the telescopic link 31 other end is connected with rotor disc 312, the rigid coupling has slide column 313 on the rotor disc 312, be connected with elastic component one 33 between brake disc 3 and the rotor disc 312, be equipped with centrifugal piece 32 on the brake disc 3, base two 11 rigid couplings have supporting seat 42, the pneumatic cylinder 43 is installed to the supporting seat 42 bottom side, set up the spout in the supporting seat 42 indent sliding connection has slider 41, the hollow cylinder 43 has the circular chuck 4 to stretch out on the side of the hollow cylinder 301, the circular chuck 4 is equipped with circular chuck 4, the circular chuck 4 is equipped with the circular chuck 6 and is equipped with in the annular groove 301, the circular chuck 4 is equipped with the circular chuck 4 and is equipped with the circular chuck 6 and is contacted to the annular groove 301, the circular chuck 4 is equipped with the circular chuck 4 in the corresponding one end of 3, the circular chuck 4 and is equipped with the circular chuck 3, the circular chuck 4 is equipped with the circular chuck 3 and is equipped with the circular groove 301.

The centrifugal blocks 32 comprise pull ropes 321, six centrifugal blocks 32 are uniformly and slidingly connected to the peripheral wall of the brake disc 3 at intervals, six pull ropes 321 are fixedly connected to one end of the rotating disc 312 at intervals uniformly, and the six pull ropes 321 penetrate through the brake disc 3 and are fixedly connected with the six centrifugal blocks 32.

The hollow cylinder 5 comprises a brake column 51, the brake column 51 is connected in a sliding manner in the hollow cylinder 5, a sliding groove is formed in the hollow cylinder 5, one end of the brake column 51 is fixedly connected with four sliding blocks, the four sliding blocks correspond to the sliding grooves in the hollow cylinder 5, the other end of the brake column 51 is provided with a cross groove 512, the brake column 51 penetrates through the circular chuck 6 and is connected with the circular chuck 6 in a sliding manner, the center of the brake disc 3 is provided with a cross limiting frame 302, the cross groove 512 corresponds to the cross limiting frame 302, and the cross groove 512 is meshed with the brake disc 3 and is used for clamping the brake disc 3.

The hollow cylinder 5 comprises a first magnet 7, a second electromagnet 71 and a second elastic member 72, one end of the brake column 51 is connected with the first magnet 7, one end of the hollow cylinder 5 is connected with the second electromagnet 71, two ends of the second elastic member 72 are respectively connected with the first magnet 7 and the second electromagnet 71, and the second electromagnet 71 is electrically connected with a power supply end of a winch driving device through a circuit.

When the device is needed to be used, the device is firstly arranged at a designated position on a lifting frame through a first base 1 and a second base 11, the device is connected to a rotating shaft 2 through a driving device, a steel wire rope is wound on a wire cylinder 21, a cross groove 512 in an initial state and a cross limiting frame 302 on a brake disc 3 are in an engaged clamping state, when the driving device is started, an electromagnet 71 generates magnetism to absorb a magnet 7, a brake column 51 slides to the left side in a hollow cylinder 5, an elastic piece 72 is compressed, the brake column 51 drives the cross groove 512 to separate from the cross limiting frame 302 on the brake disc 3, the clamping limiting is released, when the driving device rotates, the rotating shaft 2 and the wire cylinder 21 are driven to rotate, the brake disc 3 and a telescopic rod 31 are driven to rotate, the rotating disc 312 and a sliding column 313 rotate in a sliding plate 4, so that a centrifugal block 32, a pull rope 321 and the elastic piece 33 also rotate along with the brake disc 3, meanwhile, the wire drum 21 pays off the wire rope, when the goods to be hoisted are hoisted and transported to a designated position, the rotating speed is relatively slow in the operation process of the winch, the swinging floatability of the goods to be hoisted is ensured, the centrifugal blocks 32 on the brake disc 3 can not generate centrifugal force, when the winch is in fault, under the action of gravity, the goods can pull the wire rope to quickly descend, the rotating speed of the wire drum 21 is accelerated, so that the centrifugal blocks 32 on the brake disc 3 are accelerated along with the rotating speed, the centrifugal force is generated faster, the six centrifugal blocks 32 rotationally slide in the brake disc 3 to pull the six pull ropes 321, the pull ropes 321 drive the rotating disc 312 to move, the sliding columns 313 slide inwards, the sliding plate 4 drives the supporting seat 42 to slide, the sliding plate 4 drives the hollow cylinder 5 and the circular chuck 6 to move, the circular chuck 6 and the triangular groove 301 on the brake disc 3 are engaged and clamped for braking, the first elastic piece 33 is in a compressed state, the hydraulic cylinder 43 is started at the same time, the output end of the hydraulic cylinder 43 stretches out to move to prop against the sliding block 41, and the sliding plate 4 is prevented from being reset, (in practice, a sensor can be installed between the centrifugal block 32 and the brake disc 3, when the centrifugal block 32 generates centrifugal force, the sensor can give a signal to the hydraulic cylinder 43, so that the hydraulic cylinder 43 is started, and meanwhile, the moving clamping brake) is likely to suddenly cut off or the winch fails, when the worker finds out that the worker can complete the clamping brake in time, when the worker finds out that the circular chuck 6 is engaged with the triangular groove 301 on the brake disc 3, the worker closes the driving device on the winch, at the moment, the magnetism of the electromagnet II 71 disappears, the elastic piece II 72 resets to drive the cross groove 512 on the brake post 51 to be engaged with the cross limiting frame 302 on the brake disc 3 for braking, the situation that the winch rotates is avoided during maintenance, the double-layer clamping function is realized, and when the worker finishes, the worker starts the driving device on the winch to drive the brake post 51 to separate from the cross groove 3 to reset the cross limiting frame 302 to reset the sliding plate 3, the sliding plate 3 is released, the sliding plate 3 is reset, and the sliding plate 4 is simultaneously, and the sliding plate 3 is controlled to reset, and the sliding plate 3 is released.

Examples

On the basis of the embodiment 1, as shown in fig. 10-14, the steel wire rope lifting device further comprises an E-shaped frame 101, a T-shaped frame 84 and a resistance mechanism 9, wherein the E-shaped frame 101 is fixedly connected to the first base 1, the T-shaped frame 84 slides in the E-shaped frame 101, the resistance mechanism 9 is symmetrically arranged on the T-shaped frame 84, and the resistance mechanism 9 is used for increasing the resistance of the steel wire rope.

The resistance mechanism 9 comprises a rotating shaft 91, a pulley 911, a resistance bar 912, a fixed disc 92, a fixed shaft 921, an eccentric ring 922, clamping teeth 923, a ratchet 93, a mounting rod 931, a fixed ring 932, a first fixed rod 94, a second fixed rod 941 and a tension spring 942, wherein the rotating shaft 91 is connected to the T-shaped frame 84 in a rotating mode, the pulley 911 is fixedly connected to the rear end of the rotating shaft 91, the resistance bar 912 is arranged in the pulley 911 at uniform intervals along the ring shape, the fixed disc 92 is fixedly connected to the rotating shaft 91, the fixed shaft 921 is fixedly connected to one side, far from the center point, of the fixed disc 92, the eccentric ring 922 is connected to the fixed shaft 921 in a rotating mode, the clamping teeth 923 are arranged on the periphery of the eccentric ring 922, the fixed ring 932 is fixedly connected to the T-shaped frame 84, the six mounting rods 931 are fixedly connected to the ratchet 93 at uniform intervals, the clamping teeth 923 are located in the fixed rod 94, the fixed rod 94941 is fixedly connected to the eccentric ring 922, and two ends of the tension spring 942 are respectively connected to the first fixed rod 94 and the second fixed rod 94.

An arc-shaped block 924 is fixedly connected to the eccentric ring 922, an arc-shaped groove 925 is arranged in the fixed disc 92, and the arc-shaped block 924 is slidably connected with the arc-shaped groove 925.

When the wire drum 21 pays out the wire rope, the wire rope bypasses the guide wheels 831 and enters between the two pulleys 911, when the wire rope pays out, the pulleys 911 can be driven to rotate, the wire rope friction resistance strip 912 enables the pulleys 911 to rotate, thereby driving the rotating shaft 91 to rotate in the T-shaped frame 84, thereby driving the fixed disc 92 to rotate, the fixed disc 92 drives the clamping teeth 923 on the eccentric ring 922 to rotate around the center point of the rotating shaft 91, the fixed disc 92 rotates around the center point of the rotating shaft 91, the clamping teeth 923 on the eccentric ring 922 are enabled to rotate, at the moment, the lifting speed of the wire rope is slower, the swing floatability of cargo is ensured, at the moment, the eccentric ring 922 cannot rotate, when the winch breaks down, under the action of gravity, the wire rope and the resistance strip 912 can pull the wire rope to rapidly descend, the rotating speed of the pulley 911 is increased, and simultaneously, the fixed disc 92 drives the clamping teeth 923 on the eccentric ring to accelerate the rotating speed of the pulley 911, and the eccentric ring 922 generates centrifugal force, and simultaneously the eccentric ring 922 drives the eccentric ring 923 to slide in the arc-shaped groove, thereby stretching tension spring, the clamping teeth 923 on the eccentric ring 922 and the ratchet wheel 93 can also brake the pulley 93 to be meshed with the ratchet wheel 93 when the two pulleys 93 are meshed with the ratchet wheel wire rope to rapidly and the pulley 93 to be meshed with the pulley 93.

As shown in fig. 10-14, the device further comprises a belt wheel one 22, a belt 221, a rotating seat 8, a reciprocating screw rod 81, a belt wheel two 82, a threaded ring 83 and a guide wheel 831, wherein one side, close to the base one 1, of the rotating shaft 2 is connected with the belt wheel one 22, the rotating seat 8 is symmetrically and fixedly connected with the E-shaped frame 101, the reciprocating screw rod 81 is rotationally connected with the rotating seat 8, one end of the reciprocating screw rod 81 is connected with the belt wheel two 82, the belt 221 is wound between the belt wheel one 22 and the belt wheel two 82, the threaded ring 83 is connected with the internal thread of the reciprocating screw rod 81, the threaded ring 83 is rotationally connected with the guide wheel 831 through a fixing frame, and the threaded ring 83 is fixedly connected with the T-shaped frame 84.

When the winch driving equipment is started, the rotating shaft 2 drives the belt wheel I22 to rotate, the belt wheel I22 drives the belt 221 to rotate, so that the belt wheel II 82 drives the reciprocating screw rod 81 to rotate in the rotating seat 8, and the reciprocating screw rod 81 drives the threaded ring 83, the guide wheel 831 and the resistance mechanism 9 to reciprocate in the E-shaped frame 101, so that the function of carding the steel wire rope is achieved.

The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent structures or equivalent processes or direct or indirect application in other related arts are included in the scope of the present invention.

Claims

1. The winch capable of preventing rapid paying-off comprises a first base (1), a rotating shaft (2) and a wire drum (21), wherein the rotating shaft (2) is rotationally connected to the first base (1), the wire drum (21) is fixedly connected to the rotating shaft (2), the winch is characterized by further comprising a brake disc (3), a telescopic component, a rotating disc (312), a centrifugal block (32), a second base (11), a moving component, a hollow cylinder (5) and a circular chuck (6), one end of the rotating shaft (2) is fixedly connected with the brake disc (3), the brake disc (3) is provided with the telescopic component, the rotating disc (312) is movably connected to the telescopic component, the centrifugal block (32) is movably connected with the rotating disc (312), the second base (11) is provided with the moving component, the rotating disc (312) is provided with the hollow cylinder (5) and the circular chuck (6), one end of the hollow cylinder (5) is fixedly connected with the circular chuck (6), the brake disc (3) is provided with the telescopic component, the centrifugal block (32) is movably connected with the rotating disc (312) along an annular groove (301) and is used for driving the triangular groove (301) to move correspondingly to the triangular groove (301), the moving assembly drives a circular chuck (6) on the hollow cylinder (5) to be engaged with the triangular groove (301) for clamping and braking.

2. The winch capable of preventing quick paying-off according to claim 1, wherein the centrifugal blocks (32) comprise pull ropes (321), six centrifugal blocks (32) are connected to the peripheral wall of the brake disc (3) at equal intervals in a sliding mode, six pull ropes (321) are connected to one end of the rotating disc (312) at equal intervals, and the six pull ropes (321) penetrate through the brake disc (3) to be fixedly connected with the six centrifugal blocks (32).

3. The winch capable of preventing quick wire releasing according to claim 1, wherein the telescopic assembly comprises a telescopic rod (31), a sliding column (313) and an elastic piece I (33), one side of the brake disc (3) is connected with the telescopic rod (31), the other end of the telescopic rod (31) is connected with a rotating disc (312), the rotating disc (312) is fixedly connected with the sliding column (313), and the elastic piece I (33) is connected between the brake disc (3) and the rotating disc (312).

4. The winch capable of preventing quick paying-off according to claim 1, wherein the moving assembly further comprises a sliding plate (4), a sliding block (41), a supporting seat (42) and a hydraulic cylinder (43), the supporting seat (42) is fixedly connected with the second base (11), the hydraulic cylinder (43) is installed on the bottom side of the supporting seat (42), a sliding groove is formed in the supporting seat (42), the sliding block (41) is slidably connected with the sliding groove in the supporting seat (42), the extending end of the hydraulic cylinder (43) is in contact with the sliding block (41), the sliding plate (4) is fixedly connected with the sliding plate (41), a round T-shaped groove is formed in the sliding plate (4), the T-shaped groove in the sliding plate (4) is rotationally connected with a sliding column (313), and a hollow cylinder (5) is fixedly connected with the center of the sliding plate (4).

5. The winch capable of preventing quick paying-off according to claim 1, wherein the hollow cylinder (5) comprises a brake column (51), the brake column (51) is connected in a sliding mode in the hollow cylinder (5), a cross groove (512) is formed in one end of the brake column (51), the brake column (51) penetrates through the circular chuck (6) and is connected with the circular chuck (6) in a sliding mode, a cross limiting frame (302) is arranged at the center of the brake disc (3), the cross groove (512) corresponds to the cross limiting frame (302), and the cross groove (512) is meshed with the brake disc (3) and used for clamping the brake disc (3).

6. The winch capable of preventing rapid paying-off according to claim 5, wherein the hollow cylinder (5) comprises a first magnet (7), a second electromagnet (71) and a second elastic member (72), one end of the brake cylinder (51) is connected with the first magnet (7), one end of the hollow cylinder (5) is connected with the second electromagnet (71), two ends of the second elastic member (72) are respectively connected with the first magnet (7) and the second electromagnet (71), and the second electromagnet (71) is electrically connected with a power supply end of a winch driving device through a circuit.

7. The winch capable of preventing quick paying-off according to claim 1, further comprising an E-shaped frame (101), a T-shaped frame (84) and a resistance mechanism (9), wherein the E-shaped frame (101) is fixedly connected to the first base (1), the T-shaped frame (84) is slidably arranged in the E-shaped frame (101), the resistance mechanism (9) is symmetrically arranged on the T-shaped frame (84), and the resistance mechanism (9) is used for increasing resistance of a steel wire rope.

8. The winch capable of preventing quick wire releasing according to claim 7, wherein the resistance mechanism (9) comprises a rotating shaft (91), a pulley (911), a resistance strip (912), a fixed disc (92), a fixed shaft (921), an eccentric ring (922), a latch (923), a ratchet wheel (93), a mounting rod (931), a fixed ring (932), a first fixed rod (94), a second fixed rod (941) and a tension spring (942), the rotating shaft (91) is rotationally connected with the rotating shaft (91), one end of the rotating shaft (91) is fixedly connected with the pulley (911), the pulley (911) is internally provided with resistance strips (912) at uniform intervals along a ring shape, a fixed disc (92) is fixedly connected with the rotating shaft (91), one side, far away from a central point, of the fixed disc (92) is fixedly connected with the fixed shaft (921), the eccentric ring (922) is rotationally connected with the fixed shaft, the periphery of the latch (923) is provided with the fixed ring (932), the fixed ring (932) is fixedly connected with the ratchet wheel (931) at uniform intervals, the ratchet wheel (931) is fixedly connected with the eccentric ring (931) and the ratchet wheel (931) is fixedly connected with the fixed ring (931), the fixed disc (92) is fixedly connected with a first fixed rod (94), the eccentric ring (922) is fixedly connected with a second fixed rod (941), and two ends of the tension spring (942) are respectively connected with the first fixed rod (94) and the second fixed rod (941).

9. The winch capable of preventing quick wire releasing according to claim 8, wherein the eccentric ring (922) is provided with an arc-shaped block (924), the fixed disc (92) is internally provided with an arc-shaped groove (925), and the arc-shaped block (924) is in sliding connection with the arc-shaped groove (925).

10. The winch capable of preventing quick paying-off according to claim 1, further comprising a belt wheel I (22), a belt (221), a rotating seat (8), a reciprocating screw rod (81), a belt wheel II (82), a threaded ring (83) and a guide wheel (831), wherein the belt wheel I (22) is connected to one side, close to the base I (1), of the rotating shaft (2), the rotating seat (8) is fixedly connected to the E-shaped frame (101) in a symmetrical mode, the reciprocating screw rod (81) is rotationally connected to the rotating seat (8), one end of the reciprocating screw rod (81) is connected with the belt wheel II (82), the belt (221) is wound between the belt wheel I (22) and the belt wheel II (82), the threaded ring (83) is connected to the reciprocating screw rod (81) in an internal thread mode, the guide wheel (831) is rotationally connected to the threaded ring (83) through a fixing frame, and the threaded ring (83) is connected to the T-shaped frame (84).