CN113679979B - Guide rail type anti-falling protection device - Google Patents

Abstract

The invention relates to the field of high-voltage electrical overhaul, in particular to a guide rail type anti-falling protection device and a guide rail type anti-falling protection assembly, which comprise a guide rail frame, a special-shaped connecting frame, a special-shaped mounting frame, a four-corner bolt frame and the like; the top of the guide rail frame is connected with a special-shaped connecting frame through bolts, the top of the special-shaped connecting frame is fixedly connected with a special-shaped mounting frame, and the top of the special-shaped mounting frame is connected with a four-corner bolt frame through bolts. When the staff descends rapidly due to misoperation at high altitude, the circular clamping rod can intermittently clamp the perforated rotating shaft to slow down the rotating speed of the perforated rotating shaft, the friction block can be attached to the friction frame to increase the friction force between the friction block and the friction frame, so that the descending speed of the staff is slowed down, the personal safety of the staff is ensured, and the aim of effectively preventing falling is fulfilled.

Description

Guide rail type anti-falling protection device

Technical Field

The invention relates to the field of high-voltage electric overhaul, in particular to a guide rail type anti-falling protection device.

Background

With the development of electric power industry, the more the electric transmission line towers are built, the larger the electric transmission line towers are, the more the electric transmission line towers are, the workload of maintenance work of electric power technical workers is increased, meanwhile, great risks are brought to the safety of the electric power technical workers, in the electric power industry, the maintenance of a transmission circuit is an extremely important work, and in the work, the more important the safety of the workers in high-altitude operation is ensured.

Electric power tech staff is before carrying out high altitude construction among the prior art, generally can use the safety belt, protective articles such as safety helmet, use the buckle with the safety belt system on one's body of staff, in order to improve the security, but there is certain unsafe factor at high altitude construction, even worn protective articles, the staff takes place the accident of falling very easily carelessly, and then lead to the serious consequence of staff casualty, prior art lacks safety protection after falling simultaneously, further threatens staff's personal safety, and the home range of prior art staff when high altitude construction has certain limitation, work to inconvenient staff has caused.

Disclosure of Invention

Therefore, in order to solve the above problems, it is necessary to provide a guide rail type anti-falling protection device and a guide rail type anti-falling protection assembly, which can effectively prevent falling, prevent falling in the air when a worker slowly falls, and facilitate large-scale movement of the worker during high-altitude operation, so as to solve the problems that the prior art proposed in the background art is easy to cause a falling accident, lacks safety protection after falling, and has a certain limitation on the movement range of the worker during high-altitude operation.

The technical scheme is as follows: the utility model provides a protector that falls is prevented to guide tracked, is including the guide rail frame, still including heterotypic link, heterotypic mounting bracket, four corners bolt frame, lifting hook one, slide rail piece, round bar rotating turret one, clutch blocks, lock sleeve one, first extension spring, lock sleeve two, round bar rotating turret two, undershirt, prevent weighing down the subassembly and slow down the subassembly:

the top of the guide rail frame is connected with the special-shaped connecting frame through a bolt;

the top of the special-shaped connecting frame is fixedly connected with the special-shaped mounting frame;

the top of the special-shaped mounting frame is connected with the four-corner bolt frame through bolts;

the four-corner bolt frame is rotatably connected with a first lifting hook;

the lower part of the guide rail frame is connected with the slide rail block in a sliding way;

the front side and the rear side of the sliding rail block are rotatably connected with the first round rod rotating frame;

the left side of the inner part of the sliding rail block is fixedly connected with a friction block;

the first lock sleeve and the first two round rod rotating frames are rotatably connected with the first lock sleeve;

the first lock frame is connected with the first lock sleeve in a sliding mode;

the right end of the lock sleeve is sleeved with a first tension spring;

the right end of the first tension spring is sleeved with a lock sleeve II, the lock sleeve II is matched with the lock frame I in a sliding mode, and the lock sleeve II and the upper device are matched together to play a role in enlarging the moving range of a worker during operation;

the right end of the lock sleeve II is rotatably connected with the round rod rotating frame II;

the waistcoat is fixedly connected between the two round bar rotating frames II;

the anti-falling assembly is arranged at the bottom of the guide rail frame and plays a role of anti-falling and is used for protecting the personal safety of workers;

the slowing assembly is arranged on the guide rail frame and used for slowing down the descending speed of workers.

Preferably, the anti-falling assembly comprises an arc-shaped mounting frame, a hole-opening rotating shaft, a first torsion spring, a first pull belt, a slotted disc, a rectangular clamping rod, a first reset spring, a slotted gear ring, a rack rod, a second reset spring, a circular clamping rod and a third reset spring, the bottom of the guide rail frame is connected with the arc-shaped mounting frame through a bolt, the hole-opening rotating shaft is rotatably connected on the arc-shaped mounting frame, the first torsion spring is symmetrically and fixedly connected inside the arc-shaped mounting frame, the first torsion spring positioned on the rear side is fixedly connected with the hole-opening rotating shaft, the first pull belt is fixedly connected on the hole-opening rotating shaft, the first pull belt is wound on the hole-opening rotating shaft, penetrates through the arc-shaped mounting frame, the first pull belt is sleeved with the slide rail block, the slotted disc is fixedly connected on the hole-opening rotating shaft, the slotted disc is fixedly connected with the first torsion spring positioned on the front side, the slotted disc is circumferentially and slidably connected with the five rectangular clamping rods, and the first reset spring is connected between the rectangular clamping rod and the slotted disc, the upper portion of the arc-shaped mounting frame is connected with a rack rod in a sliding mode, the rack rod is meshed with the slotted gear ring, a second reset spring is connected between the rack rod and the arc-shaped mounting frame, a circular clamping rod is connected on the rack rod in a sliding mode, and a third reset spring is connected between the circular clamping rod and the rack rod.

Preferably, the slowing assembly comprises a friction frame and a reduction spring, the friction frame is connected inside the guide rail frame in a sliding mode, and the reduction spring is symmetrically connected between the friction frame and the guide rail frame.

Preferably, the friction frame has a high friction coefficient and is used for slowing down the descending speed of the friction block and the device thereon.

Preferably, the vest further comprises an extension assembly, the extension assembly is arranged on the lower portion of the vest, the extension assembly comprises a third lock sleeve, a second lock frame, a second tension spring, a fourth lock sleeve and a second lifting hook, the third lock sleeve is symmetrically and rotatably connected to one side of the lower portion of the vest, the second lock frame is slidably connected to the third lock sleeve, the second tension spring is sleeved on the third lock sleeve, the fourth lock sleeve is sleeved at the bottom end of the second tension spring, the fourth lock sleeve is slidably matched with the second lock frame, and the second lifting hook is rotatably connected to the bottom of the fourth lock sleeve.

Preferably, the vest also comprises a spongy cushion, and the spongy cushion is fixedly arranged at the bottom in the vest.

Preferably, still including the slip subassembly, the undershirt lower part is located to the slip subassembly, and the slip subassembly is including arc carriage and sliding ring, and the rigid coupling has the arc carriage on the outer wall of undershirt lower part right side, is the annular distribution slidingtype on the arc carriage and is connected with three sliding rings.

Preferably, the device also comprises a support assembly, the support assembly is arranged on a special-shaped connecting frame, the support assembly comprises a reel sleeve, a transmission shaft, an L-shaped slotting frame, a wedge-shaped limiting frame, a first homing spring, a ratchet wheel, a second torsion spring, a second drawstring, a handle sleeve, a U-shaped handle and a hand wheel, the reel sleeve is fixedly connected to the front side and the rear side of the special-shaped connecting frame, the transmission shaft is rotatably connected to the reel sleeve and penetrates through the reel sleeve, the transmission shaft is rotatably connected with the special-shaped mounting frame, the L-shaped slotting frame is fixedly connected to the front side and the rear side of the guide rail frame, the wedge-shaped limiting frame is slidably connected to the L-shaped slotting frame, the first homing spring is connected between the wedge-shaped limiting frame and the L-shaped slotting frame, the ratchet wheel is fixedly connected to the transmission shaft, the ratchet wheel is in contact with the wedge-shaped limiting frame, the second torsion spring is connected between the ratchet wheel and the reel sleeve, the second drawstring is fixedly connected to the transmission shaft, and is wound on the transmission shaft, the second stretching strap is located inside the winding drum sleeve, a handle sleeve is fixedly connected to one end of the second stretching strap, a U-shaped handle is fixedly connected to one side of the handle sleeve, and a hand wheel is fixedly connected to the right end of the transmission shaft.

Preferably, the U-shaped handle outside is U type structure, and U-shaped handle plays the effect of support when the staff descends for reduce the staff and rock at the descending in-process.

Preferably, the lifting rack comprises a lifting assembly, the lifting assembly is arranged on the special-shaped connecting frame, the lifting assembly comprises a rectangular slotted frame, a downward pressing rack frame, a second resetting spring, a gear and an overrunning clutch, the rectangular slotted frame is fixedly connected to the top of the left side of the special-shaped connecting frame, the downward pressing rack frame is slidably connected to the rectangular slotted frame, the second resetting spring is connected between the downward pressing rack frame and the rectangular slotted frame, the overrunning clutch is fixedly connected to the left end of the transmission shaft, the gear is fixedly connected to the overrunning clutch, and the gear is meshed with the downward pressing rack frame.

The invention has the beneficial effects that:

1. the staff wears the undershirt and can climb to the eminence and carry out high altitude construction, through the cooperation of lock tube I with lock tube III and device above that for the staff can move about on a large scale, the staff's operation of being convenient for has realized the purpose that the staff of being convenient for moved about on a large scale when high altitude construction.

2. When the staff descends rapidly due to misoperation at high altitude, the circular clamping rod can intermittently clamp the perforated rotating shaft to slow down the rotating speed of the perforated rotating shaft, the friction block can be attached to the friction frame to increase the friction force between the friction block and the friction frame, so that the descending speed of the staff is slowed down, the personal safety of the staff is ensured, and the aim of effectively preventing falling is fulfilled.

3. In the process that the worker slowly falls from the high altitude, the supporting operation can be performed through the cooperation of the third lock sleeve and the device on the third lock sleeve, so that the worker is prevented from always falling in the air when falling, and the danger probability of the worker is further reduced.

4. In-process that slowly descends from the high altitude at the staff, U type handle can emit downwards, and the staff just also can U type handle to can provide the support for it at the in-process that the staff slowly descends, reduce and rock, step on down through the foot and press the rack after the staff falls to ground, just also can upwards pack up U type handle and last device, thereby can improve equipment's security performance and convenience.

Drawings

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

Fig. 2 is a schematic perspective view of a second embodiment of the present invention.

FIG. 3 is a schematic view of a first partial body structure according to the present invention.

FIG. 4 is a schematic view of a second partial body structure according to the present invention.

Fig. 5 is a perspective view of a third embodiment of the present invention.

Fig. 6 is a perspective view of a fourth embodiment of the present invention.

Fig. 7 is an enlarged perspective view of the present invention a.

FIG. 8 is a first partially cut-away perspective view of the fall arrest assembly of the present invention.

FIG. 9 is a second partially cut-away perspective view of the fall arrest assembly of the present invention.

FIG. 10 is a schematic partially disassembled perspective view of the fall arrest assembly of the present invention.

FIG. 11 is a schematic cross-sectional perspective view of a mitigation assembly of the invention.

FIG. 12 is a schematic perspective view of a first embodiment of an elongate member according to the present invention.

FIG. 13 is a schematic perspective view of a second embodiment of an elongate member of the present invention.

Fig. 14 is a partial perspective view of the support assembly of the present invention.

Fig. 15 is an enlarged perspective view of the present invention B.

Fig. 16 is a partially cut-away perspective view of the support assembly of the present invention.

Fig. 17 is a perspective view of the ascending assembly according to the present invention.

In the above drawings: 1: rail frame, 21: special-shaped connecting frame, 22: heterotypic mounting bracket, 23: four corner bolt frame, 24: a first lifting hook, 25: slide block, 26: first round bar rotating frame, 27: friction block, 31: lock sleeve one, 32: lock frame one, 33: first tension spring, 331: second lock sleeve, 34: second round bar rotating frame, 35: vest, 5: fall arrest assembly, 51: arc-shaped mounting frame, 52: open pore pivot, 53: first torsion spring, 54: draw tape one, 55: slotted disc, 56: rectangular clamping bar, 57: first return spring, 58: slotted ring gear, 59: rack bar, 510: second return spring, 511: circular kelly, 512: third return spring, 6: mitigation assembly, 61: friction frame, 62: reducing the spring, 7: extension assembly, 71: third lock sleeve, 72: second lock frame, 73: second tension spring, 731: lock sleeve four, 74: a second lifting hook, 8: sponge cushion, 9: sliding assembly, 91: arc-shaped sliding frame, 92: slip ring, 10: support assembly, 101: reel cover, 102: drive shaft, 103: l-shaped slotted rack, 104: wedge spacing, 105: first return spring, 106: ratchet, 107: second torsion spring, 108: a second draw tape, 109: handle sleeve, 1010: u-shaped handle, 1011: hand wheel, 11: rise assembly, 111: rectangular slotted frame, 112: press-down rack, 113: second return spring, 114: gear, 115: an overrunning clutch.

Detailed Description

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

A guide rail type anti-falling protection device is shown in figures 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 and 11 and comprises a guide rail frame 1, a special-shaped connecting frame 21, a special-shaped mounting frame 22, a four-corner bolt frame 23, a first lifting hook 24, a slide rail block 25, a first round rod rotating frame 26, a friction block 27, a first lock sleeve 31, a first lock frame 32, a first tension spring 33, a second lock sleeve 331, a second round rod rotating frame 34, a vest 35, an anti-falling assembly 5 and a slowing assembly 6, wherein the top of the guide rail frame 1 is connected with the special-shaped connecting frame 21 through bolts, the top of the special-shaped connecting frame 21 is fixedly connected with the special-shaped mounting frame 22, the top of the special-shaped mounting frame 22 is connected with the four-corner bolt frame 23 through bolts, the first lifting hook 24 is rotatably connected on the four-corner bolt frame 23, the lower portion of the guide rail frame 1 is slidably connected with the slide rail block 25, the first round rod rotating frame 26 is rotatably connected with the front and back sides of the slide rail block 25, the left side of the inside of the sliding rail block 25 is fixedly connected with a friction block 27, the first two round bar rotating frames 26 are connected with a first lock sleeve 31 in a rotating mode, the first lock sleeve 31 is connected with a first lock frame 32 in a sliding mode, the right end of the first lock sleeve 31 is sleeved with a first tension spring 33, the right end of the first tension spring 33 is sleeved with a second lock sleeve 331, the second lock sleeve 331 is matched with the first lock frame 32 in a sliding mode, the right end of the second lock sleeve 331 is connected with a second round bar rotating frame 34 in a rotating mode, a vest 35 is fixedly connected between the second two round bar rotating frames 34, the bottom of the guide rail frame 1 is provided with an anti-falling assembly 5, the anti-falling assembly 5 is used for falling, the guide rail frame 1 is provided with a slowing assembly 6, the slowing assembly 6 is used for slowing down the descending speed of workers, and the function of protecting the personal safety of the workers is achieved.

The anti-falling assembly 5 comprises an arc-shaped mounting frame 51, a hole-opening rotating shaft 52, a first torsion spring 53, a first pull belt 54, a slotted disc 55, a rectangular clamping rod 56, a first return spring 57, a slotted gear ring 58, a rack rod 59, a second return spring 510, a circular clamping rod 511 and a third return spring 512, the bottom of the guide rail frame 1 is connected with the arc-shaped mounting frame 51 through bolts, the arc-shaped mounting frame 51 is rotatably connected with the hole-opening rotating shaft 52, the first torsion spring 53 is symmetrically and fixedly connected inside the arc-shaped mounting frame 51, the first torsion spring 53 positioned at the rear side is fixedly connected with the hole-opening rotating shaft 52, the first pull belt 54 is wound on the hole-opening rotating shaft 52, the first pull belt 54 penetrates through the arc-shaped mounting frame 51, the top end of the first pull belt 54 is of a spherical structure, the first pull belt 54 is sleeved with the slide rail block 25, the slotted disc 55 is fixedly connected with the hole-opening rotating shaft 52, the slotted disc 55 is fixedly connected with the first torsion spring 53 positioned at the front side, five rectangular kellies 56 are connected to slotted disc 55 circumference distribution slidingtype, be connected with first reset spring 57 between rectangular kellies 56 and the slotted disc 55, the last rotation type of slotted disc 55 is connected with slotted ring gear 58, slotted ring gear 58 is inside to be the circumference and opens there is the draw-in groove, arc mounting bracket 51 upper portion slidingtype is connected with rack bar 59, rack bar 59 and slotted ring gear 58 mesh, be connected with second reset spring 510 between rack bar 59 and the arc mounting bracket 51, the last rotation type of sliding connection of rack bar 59 has circular kelly 511, circular kelly 511 is cylindricly, circular kelly 511 is used for blocking the trompil pivot 52 intermittently to slow down its pivoted speed, be connected with third reset spring 512 between circular kelly 511 and the rack bar 59.

The slowing assembly 6 comprises a friction frame 61 and a reducing spring 62, the friction frame 61 is connected inside the guide rail frame 1 in a sliding mode, the friction frame 61 has the characteristic of large friction coefficient, and the reducing spring 62 is symmetrically connected between the friction frame 61 and the guide rail frame 1.

When the working is carried out, the first lifting hook 24 and the device on the first lifting hook are hung at a high position of a working place in advance, a worker wears the vest 35 to enable hands of the worker to penetrate through holes at the front side and the rear side of the vest 35, then the vest 35 is buckled and firmly fixed on the body of the worker, then the worker climbs upwards through a climbing frame on other equipment, the first pull belt 54 is pulled out, the first torsion spring 53 is compressed, the worker can work after climbing to the high position, the worker can have a larger moving range through the matching of the first lock sleeve 31 and the device on the first lock sleeve, the worker can conveniently carry out maintenance work, when the worker drives the vest 35 and the device on the first torsion spring 53 to rapidly descend due to operation errors during high-altitude work or climbing, the first torsion spring 53 is reset along with the first torsion spring and drives the hole-opening rotating shaft 52 and the device on the first torsion spring to reset, the first pull belt 54 is rapidly retracted along with the first torsion spring, in the process, as the slotted disc 55 and the device on the slotted disc rotate rapidly, the rectangular clamping rod 56 moves around due to the action of centrifugal force and is clamped on the clamping groove in the slotted gear ring 58, the first return spring 57 is stretched, so that the slotted disc 55 drives the slotted gear ring 58 and the device on the slotted disc through the rectangular clamping rod 56 to rotate, the slotted gear ring 58 drives the rack rod 59 to move downwards, the second return spring 510 is compressed, the circular clamping rod 511 intermittently clamps the perforated rotating shaft 52 through the matching of the circular clamping rod 511 and the third return spring 512, the rotating speed of the perforated rotating shaft is reduced, the falling speed of a worker is reduced, meanwhile, the rack rod 59 pushes the friction frame 61 to move leftwards, so that the friction frame is tightly jointed with the friction block 27, and in the downward movement process of the friction block 27 and the device on the friction frame 61, the friction force between the friction block 27 and the friction frame 61 is large, when the rotating speed of the hole-opening rotating shaft 52 and the upper device thereof is reduced, the rack rod 59 and the upper device thereof can be successively reversely reset, so that the falling prevention effect can be effectively realized.

Example 2

Based on embodiment 1, as shown in fig. 12 and 13, the vest further includes an extending component 7, the extending component 7 is disposed at a lower portion of the vest 35, the extending component 7 is used for preventing a worker from falling all the time in the air when falling, the extending component 7 includes a third lock sleeve 71, a second lock bracket 72, a second tension spring 73, a fourth lock sleeve 731 and a second hook 74, the third lock sleeve 71 is symmetrically and rotatably connected to one side of the lower portion of the vest 35, the second lock bracket 72 is slidably connected to the third lock sleeve 71, the second lock bracket 72 is provided with a straight sliding groove, the third lock sleeve 71 is sleeved with the second tension spring 73, a bottom end of the second tension spring 73 is sleeved with the fourth lock sleeve 731, the second tension spring 73 is located between the third lock sleeve 71 and the fourth lock sleeve 731, the fourth lock sleeve 731 is slidably matched with the second lock bracket 72, and a bottom of the fourth lock sleeve 731 is rotatably connected with the second hook 74.

The second lifting hook 74 is hooked on other supporting equipment in advance, in the climbing process of workers, the second tension spring 73 can be stretched, the workers can move in a large range and always support the workers through the cooperation of the third lock sleeve 71 and the devices on the third lock sleeve, when the workers slowly fall, the second tension spring 73 can reset accordingly, through the cooperation of the third lock sleeve 71 and the devices on the third lock sleeve, the workers can be prevented from falling and falling all the time in the air, and personal safety of the workers is further guaranteed.

Example 3

On the basis of the embodiment 2, as shown in fig. 12, a sponge cushion 8 is further included, and a sponge cushion 8 for improving the comfort of the worker during the work process is fixedly installed at the bottom in the vest 35.

Because the time of the staff working at high altitude is longer, the staff sits on the spongy cushion 8 in the working process, and the comfort level of the staff in the working process can be improved.

Example 4

On the basis of embodiment 3, as shown in fig. 12, the vest 35 further includes a sliding assembly 9, the sliding assembly 9 is disposed at the lower portion of the vest 35, the sliding assembly 9 plays a role of facilitating taking and placing tools at any time, the sliding assembly 9 includes an arc-shaped sliding frame 91 and a sliding ring 92, the outer wall of the right side of the lower portion of the vest 35 is fixedly connected with the arc-shaped sliding frame 91, the arc-shaped sliding frame 91 is of an arc-shaped structure, and the arc-shaped sliding frame 91 is connected with the three sliding rings 92 in an annular distribution and sliding manner.

Before the operation, the worker can hang the tool on the slip ring 92, so that the tool can be taken and placed conveniently at any time, and great convenience is provided for the worker.

Example 5

On the basis of embodiment 4, as shown in fig. 14, 15 and 16, the support device further includes a support assembly 10, the support assembly 10 is disposed on the special-shaped connecting frame 21 and used for supporting the worker during the process of slowly falling down, the support assembly 10 includes a winding drum sleeve 101, a transmission shaft 102, an L-shaped slotted frame 103, a wedge-shaped limiting frame 104, a first return spring 105, a ratchet 106, a second torsion spring 107, a second pull belt 108, a handle sleeve 109, a U-shaped handle 1010 and a hand wheel 1011, the winding drum sleeve 101 is fixedly connected to the front and rear sides of the special-shaped connecting frame 21, the transmission shaft 102 is rotatably connected to the winding drum sleeve 101, the transmission shaft 102 penetrates through the winding drum sleeve 101 and is rotatably connected to the special-shaped mounting frame 22, the L-shaped slotted frame 103 is fixedly connected to the front and rear sides of the guide rail frame 1, the wedge-shaped slotted frame 104 is slidably connected to the L-shaped slotted frame 103, the first return spring 105 is connected between the wedge-shaped limiting frame 104 and the L-shaped slotted frame 103, the ratchet 106 is fixedly connected to the transmission shaft 102, the ratchet 106 is located above the wedge-shaped limiting frame 104, the ratchet 106 is in contact with the wedge-shaped limiting frame 104, a second torsion spring 107 is connected between the ratchet 106 and the winding drum sleeve 101, a second pull belt 108 is fixedly connected to the transmission shaft 102, the second pull belt 108 is wound on the transmission shaft 102 and located inside the winding drum sleeve 101, one end of the second pull belt 108 is fixedly connected with a handle sleeve 109, a U-shaped handle 1010 is fixedly connected to one side of the handle sleeve 109, a worker can support the worker by grasping the U-shaped handle 1010 with a hand in the process of slowly falling, the hand 1011 is fixedly connected to the right end of the transmission shaft 102, and the worker can lift and reset the U-shaped handle 1010 and devices on the U-shaped handle 1010 by rotating the hand wheel 1011.

When the friction frame 61 moves leftwards, the friction frame 61 pushes the wedge-shaped limiting frame 104 to move downwards and enable the wedge-shaped limiting frame 104 not to clamp the ratchet wheel 106 any more, the first return spring 105 is compressed accordingly, the compressed second torsion spring 107 restores and drives the ratchet wheel 106 and the device on the ratchet wheel 106 to rotate, meanwhile, as the handle sleeve 109 has larger mass, the handle sleeve 109 and the device on the handle sleeve move downwards, the pull belt second 108 is also released, so that a worker can grasp the U-shaped handle 1010 by hands in the process of slowly falling down, the worker can be supported, the shaking of the worker in the falling process is reduced, when the friction frame 61 restores, the first return spring 105 resets and drives the wedge-shaped limiting frame 104 to restore, when the worker climbs to a high place again, the hand wheel 1011 is rotated reversely, the second torsion spring 107 is compressed and restored accordingly, the pull belt second 108 is retracted, through the cooperation of the wedge-shaped limiting frame 104 and the first return spring 105, the wedge-shaped limiting frame 104 can intermittently clamp the ratchet 106 to prevent the ratchet 106 from returning, so that the ratchet can be automatically supported in the process that a worker slowly falls down.

Example 6

On the basis of embodiment 5, as shown in fig. 17, the lifting device further includes a lifting assembly 11, the lifting assembly 11 for rolling the second pull belt 108 is disposed on the special-shaped connecting frame 21, the lifting assembly 11 includes a rectangular slotted frame 111, a downward-pressing rack frame 112, a second return spring 113, a gear 114 and an overrunning clutch 115, the rectangular slotted frame 111 is fixedly connected to the top of the left side of the special-shaped connecting frame 21, the downward-pressing rack frame 112 is slidably connected to the rectangular slotted frame 111, the second return spring 113 is connected between the downward-pressing rack frame 112 and the rectangular slotted frame 111, the overrunning clutch 115 is fixedly connected to the left end of the transmission shaft 102, the overrunning clutch 115 is used for transmitting unidirectional power, the gear 114 is fixedly connected to the overrunning clutch 115, and the gear 114 is engaged with the downward-pressing rack frame 112.

When the worker lands on the ground, the worker presses the rack 112 down with the foot in a reciprocating manner, when the worker moves down with the foot pressing the rack 112, the second return spring 113 is compressed accordingly, the rack 112 drives the gear 114 to rotate, the transmission shaft 102 and the upper device cannot rotate due to the effect of the overrunning clutch 115, when the worker releases the rack 112, the second return spring 113 resets accordingly and drives the rack 112 to reset, the rack 112 drives the gear 114 and the upper device to rotate in the reverse direction, the transmission shaft 102 winds the two drawstrings 108, the two drawstrings 108 are wound in a reciprocating manner, the two drawstrings 108 are collected, the worker climbs to a high position to rotate the hand wheel 1011, and unnecessary troubles are omitted.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to practitioners skilled in this art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims (9)

1. The utility model provides a protector is prevented falling by guide tracked, including guide rail frame (1), its characterized in that, still including heterotypic link span (21), heterotypic mounting bracket (22), four corners bolt frame (23), lifting hook (24), slide rail piece (25), round bar rotating turret (26), clutch blocks (27), lock cover (31), lock frame (32), first extension spring (33), lock cover (331), round bar rotating turret (34), undershirt (35), prevent weighing down subassembly (5) and slow down subassembly (6): the top of the guide rail bracket (1) is connected with the special-shaped connecting bracket (21) through bolts; the top of the special-shaped connecting frame (21) is fixedly connected with the special-shaped mounting frame (22); the top of the special-shaped mounting frame (22) is connected with the four-corner bolt frame (23) through bolts; the four-corner bolt frame (23) is rotatably connected with the first lifting hook (24); the lower part of the guide rail frame (1) is connected with a slide rail block (25) in a sliding way; the front side and the rear side of the sliding rail block (25) are rotatably connected with the first round rod rotating frame (26); the friction block (27) is fixedly connected to the left side inside the sliding rail block (25); the first lock sleeve (31) is rotatably connected to the first round rod rotating frames (26); the first lock frame (32) is connected with the first lock sleeve (31) in a sliding mode; the right end of the first lock sleeve (31) is sleeved with the first tension spring (33); the right end of the first tension spring (33) is sleeved with the second lock sleeve (331), the second lock sleeve (331) is in sliding fit with the first lock frame (32), and the second lock sleeve (331) and the upper device are matched together to play a role in increasing the moving range of a worker during operation;

the right end of the second lock sleeve (331) is rotatably connected with the second round bar rotating frame (34);

the vest (35) is fixedly connected between the two round bar rotating frames II (34);

the anti-falling device comprises an anti-falling component (5), wherein the anti-falling component (5) is arranged at the bottom of the guide rail frame (1), and the anti-falling component (5) plays a role in preventing falling and is used for protecting the personal safety of workers;

the guide rail bracket (1) is provided with a slowing assembly (6), and the slowing assembly (6) is used for slowing down the descending speed of workers;

the anti-falling assembly (5) comprises an arc-shaped mounting frame (51), a hole-opening rotating shaft (52), a first torsion spring (53), a first pull belt (54), a slotted disc (55), a rectangular clamping rod (56), a first reset spring (57), a slotted gear ring (58), a rack rod (59), a second reset spring (510), a circular clamping rod (511) and a third reset spring (512), wherein the bottom of the guide rail frame (1) is connected with the arc-shaped mounting frame (51) through bolts, the arc-shaped mounting frame (51) is rotationally connected with the hole-opening rotating shaft (52), the first torsion spring (53) is symmetrically and fixedly connected inside the arc-shaped mounting frame (51), the first torsion spring (53) positioned at the rear side is fixedly connected with the hole-opening rotating shaft (52), the hole-opening rotating shaft (52) is fixedly connected with the first pull belt (54), the first pull belt (54) is wound on the hole-opening rotating shaft (52), and the first pull belt (54) penetrates through the arc-shaped mounting frame (51), draw belt (54) cup joints with slide rail piece (25), fixedly connected with fluting disc (55) on trompil pivot (52), fluting disc (55) and the first torsion spring (53) rigid coupling that is located the front side, fluting disc (55) circumference distributes slidingly and is connected with five rectangle kellies (56), be connected with first reset spring (57) between rectangle kellies (56) and fluting disc (55), the rotation type is connected with fluting ring gear (58) on fluting disc (55), arc mounting bracket (51) upper portion slidingly is connected with rack bar (59), rack bar (59) and fluting ring gear (58) mesh, be connected with second reset spring (510) between rack bar (59) and arc mounting bracket (51), the slip type is connected with circular kellies (511) on rack bar (59), be connected with third reset spring (512) between circular kellies (511) and rack bar (59).

2. A guide-rail type anti-falling protection device according to claim 1, characterized in that the slowing assembly (6) comprises a friction frame (61) and a restoring spring (62), the friction frame (61) is connected in the guide-rail frame (1) in a sliding way, and the restoring spring (62) is symmetrically connected between the friction frame (61) and the guide-rail frame (1).

3. A guide-rail type fall-prevention device according to claim 2, characterized in that the friction frame (61) has a high friction coefficient for slowing down the descent of the friction block (27) and its upper device.

4. The guide rail type anti-falling protection device is characterized by further comprising an extension component (7), wherein the extension component (7) is arranged at the lower portion of the vest (35), the extension component (7) comprises a third lock sleeve (71), a second lock frame (72), a second tension spring (73), a fourth lock sleeve (731) and a second lifting hook (74), the third lock sleeve (71) is symmetrically and rotatably connected to one side of the lower portion of the vest (35), the second lock frame (72) is slidably connected to the third lock sleeve (71), the second tension spring (73) is sleeved on the third lock sleeve (71), a fourth lock sleeve (731) is sleeved at the bottom end of the second tension spring (73), the fourth lock sleeve (731) is slidably matched with the second lock frame (72), and the second lifting hook (74) is rotatably connected to the bottom of the fourth lock sleeve (731).

5. The guide rail type anti-falling protection device as claimed in claim 4, further comprising a foam-rubber cushion (8), wherein the foam-rubber cushion (8) is fixedly arranged at the bottom inside the vest (35).

6. The guide rail type anti-falling protection device of claim 5, further comprising a sliding assembly (9), wherein the sliding assembly (9) is arranged at the lower part of the vest (35), the sliding assembly (9) comprises an arc-shaped sliding frame (91) and sliding rings (92), an arc-shaped sliding frame (91) is fixedly connected to the outer wall of the right side of the lower part of the vest (35), and three sliding rings (92) are slidably connected to the arc-shaped sliding frame (91) in an annular distribution manner.

7. The guide rail type anti-falling protection device according to claim 6, wherein the support assembly (10) is arranged on the special-shaped connecting frame (21), the support assembly (10) comprises a reel sleeve (101), a transmission shaft (102), an L-shaped slotted frame (103), a wedge-shaped limit frame (104), a first homing spring (105), a ratchet wheel (106), a second torsion spring (107), a second drawstring (108), a handle sleeve (109), a U-shaped handle (1010) and a hand wheel (1011), the reel sleeve (101) is fixedly connected to the front side and the rear side of the special-shaped connecting frame (21), the reel sleeve (101) is rotatably connected with the transmission shaft (102), the transmission shaft (102) passes through the reel sleeve (101), the transmission shaft (102) is rotatably connected with the special-shaped mounting frame (22), the L-shaped slotted frame (103) is fixedly connected to the front side and the rear side of the guide rail frame (1), the wedge-shaped limit frame (104) is slidably connected to the L-shaped slotted frame (103), be connected with first homing spring (105) between wedge spacing (104) and L type fluting frame (103), the rigid coupling has ratchet (106) on transmission shaft (102), ratchet (106) and wedge spacing (104) contact, be connected with second torsion spring (107) between ratchet (106) and reel cover (101), the rigid coupling has stretching strap two (108) on transmission shaft (102), stretching strap two (108) are around on transmission shaft (102), stretching strap two (108) are located inside reel cover (101), stretching strap two (108) one end rigid coupling has handle cover (109), handle cover (109) one side rigid coupling has U type handle (1010), transmission shaft (102) rigid coupling has hand wheel (1011).

8. A guide tracked anti-fall protection device according to claim 7, characterized in that the outside of the U-shaped handle (1010) is of U-shaped structure, and the U-shaped handle (1010) plays a supporting role when a worker descends to reduce the shaking of the worker during the descending process.

9. The guide rail type anti-falling protection device is characterized by further comprising a lifting assembly (11), wherein the lifting assembly (11) is arranged on a special-shaped connecting frame (21), the lifting assembly (11) comprises a rectangular slotted frame (111), a downward pressing rack frame (112), a second homing spring (113), a gear (114) and an overrunning clutch (115), the rectangular slotted frame (111) is fixedly connected to the top of the left side of the special-shaped connecting frame (21), the downward pressing rack frame (112) is slidably connected to the rectangular slotted frame (111), the second homing spring (113) is connected between the downward pressing rack frame (112) and the rectangular slotted frame (111), the overrunning clutch (115) is fixedly connected to the left end of the transmission shaft (102), the gear (114) is fixedly connected to the overrunning clutch (115), and the gear (114) is meshed with the downward pressing rack frame (112).

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