CN113856085B - Differential speed falling protector with reverse locking mechanism for high-altitude operation of electric power iron tower - Google Patents
Differential speed falling protector with reverse locking mechanism for high-altitude operation of electric power iron tower Download PDFInfo
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- CN113856085B CN113856085B CN202111294432.4A CN202111294432A CN113856085B CN 113856085 B CN113856085 B CN 113856085B CN 202111294432 A CN202111294432 A CN 202111294432A CN 113856085 B CN113856085 B CN 113856085B
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 48
- 230000007246 mechanism Effects 0.000 title claims abstract description 27
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 24
- 230000002441 reversible effect Effects 0.000 title claims abstract description 16
- 230000001012 protector Effects 0.000 title description 12
- 238000010276 construction Methods 0.000 claims abstract description 7
- 230000000630 rising effect Effects 0.000 claims abstract description 3
- 230000005540 biological transmission Effects 0.000 claims description 25
- 238000009434 installation Methods 0.000 claims description 7
- 230000001174 ascending effect Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 230000009467 reduction Effects 0.000 abstract description 3
- 230000008859 change Effects 0.000 abstract description 2
- 238000004804 winding Methods 0.000 abstract description 2
- 230000003139 buffering effect Effects 0.000 description 11
- 230000006872 improvement Effects 0.000 description 4
- 230000002265 prevention Effects 0.000 description 4
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B35/00—Safety belts or body harnesses; Similar equipment for limiting displacement of the human body, especially in case of sudden changes of motion
- A62B35/04—Safety belts or body harnesses; Similar equipment for limiting displacement of the human body, especially in case of sudden changes of motion incorporating energy absorbing means
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B35/00—Safety belts or body harnesses; Similar equipment for limiting displacement of the human body, especially in case of sudden changes of motion
- A62B35/0006—Harnesses; Accessories therefor
- A62B35/0025—Details and accessories
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- Business, Economics & Management (AREA)
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Abstract
The invention relates to the technical field of anti-falling, in particular to a speed difference anti-falling device with a reverse locking mechanism for high-altitude operation of an electric power iron tower. It includes anti-falling device and sets up the rising device at anti-falling device side, anti-falling device includes casing and mounting disc, in this electric power iron tower for high altitude construction speed difference safety hook with reverse locking mechanism, through the driving piece that sets up, when operating personnel is in unsettled state, the pulling driving piece, the driving piece passes through the carousel and drives the commentaries on classics board rotation, the commentaries on classics board drives the mounting disc through the change, the winding of rope will being connected in the mounting disc rotation, and then reach and drive operating personnel and rise, so that need not wait for rescue personnel, save time, the distance of having solved when operating personnel drops is longer, because of the distance that drops is longer, the distance is far away between operating personnel and the iron tower, and present safety hook can not realize the effect that rises, lead to the iron tower at operating personnel can's unable seizure top, lead to the problem of the efficiency reduction of work.
Description
Technical Field
The invention relates to the technical field of anti-falling, in particular to a speed difference anti-falling device with a reverse locking mechanism for high-altitude operation of an electric power iron tower.
Background
The safety catch is also called a speed difference device, and is a product with a protection function. The falling object can be quickly braked and locked within a limited distance, the device is suitable for cargo hoisting and high-altitude operation, and the device can prevent the hoisted workpiece object from being damaged and protect the life safety of operators.
When the electric iron tower is operated, the hook at the top end of the falling protector is fixed on a fixed object, the hook at the bottom is hung on the body of an operator, the operator can climb and move on the iron tower, when the operator falls off due to a fault, the pulling-out speed of the safety rope in the falling protector is obviously accelerated, and the pawl in the falling protector can clamp the ratchet which rotates rapidly, so that the automatic locking of the reverse rotation is realized; however, when the falling distance of the operator is long, the operator can be in a suspended state, the falling distance is long, the distance between the operator and the iron tower is long, the lifting effect can not be achieved by the conventional falling protector, the operator cannot grasp the iron tower at the top, and only rescue can be sought, so that the working efficiency is reduced.
Disclosure of Invention
The invention aims to provide a speed difference falling protector with a reverse locking mechanism for high-altitude operation of an electric iron tower, which solves the problems in the background technology.
In order to achieve the purpose, the speed difference falling protector with the reverse locking mechanism for the high-altitude operation of the electric iron tower comprises a falling prevention device and a lifting device arranged on the side edge of the falling prevention device, wherein the falling prevention device comprises a shell and a mounting disc, the inner wall of the shell is provided with a mounting shaft and a fixing shaft, the outer wall of the fixing shaft is rotatably connected with a pawl, the pawl is in a V-shaped structure, the side wall of the pawl is connected with a tension spring, one end of the tension spring is connected with the side wall of the shell, the top of the shell is connected with a first hook, the mounting disc is in a circular ring structure, the inner ring of the mounting disc is provided with a shaft collar rotatably connected with the mounting shaft, the outer ring of the mounting disc is wound with a connecting rope, one end of the connecting rope penetrates through the shell, one end of the connecting rope is connected with a second hook, and ratchet wheels are arranged on two sides of the mounting disc, the inner ring of mounting disc is connected with the coil spring, the one end of coil spring and the outer wall connection of installation axle, the rising device includes at least:
the fixing mechanism comprises a cover plate fixed on one side of the shell, and plate holes are formed in the side wall of the cover plate;
the driving mechanism comprises a rotating plate which is rotatably connected in a plate hole, the side wall of the rotating plate is fixedly connected with a rotating ring, the outer ring of the rotating ring is fixedly connected with the inner ring of the mounting disc, the other side of the rotating plate is fixedly connected with a rotating disc, and the outer ring of the rotating disc is rotatably connected with a driving piece.
As a further improvement of the technical scheme, a supporting shaft is arranged at the position, where the connecting rope penetrates, of the shell, the outer wall of the supporting shaft is rotatably connected with a roller, and the roller is rotatably connected with the connecting rope.
As a further improvement of the technical scheme, the side wall of the second hook is provided with a connecting shaft, the outer wall of the connecting shaft is connected with a connecting rod in a rotating mode, one end of the connecting rod is arranged on the inner wall of the second hook, the outer wall of the connecting shaft is provided with a torsional spring, and one end of the torsional spring is connected with the side wall of the connecting rod.
The outer wall of casing is provided with buffer, buffer is including fixing the fixed block at the casing top, the top of fixed block is provided with a plurality of buffer spring, buffer spring's one end is connected with the roof, the top and the first couple of roof are connected.
The buffer spring is internally provided with a sleeve fixed at the top of the fixed block, the sleeve is connected with a loop bar in a sliding way, and one end of the loop bar is fixedly connected with the bottom of the top plate.
The outer wall fixedly connected with dead lever of apron, the one end of dead lever is connected with the installation cover, the installation cover is established at the top of carousel and is connected rather than rotating.
The bottom of casing is located the periphery of connecting the rope and is provided with flexible pipe, the one end outer wall of flexible pipe is connected with the transfer line, the outer wall at the driving piece is established to the transfer line cover, be provided with the elastic sleeve in the transfer line, the outer wall at the driving piece is established to the elastic sleeve cover.
The bottom of roof is provided with the baffle, the top of fixed block is provided with the slide, the slide surface is the slope setting, the slide sets up in the baffle.
The side wall sliding connection of casing has the transmission post, the transmission post is "L" shape structure, the one end that the transmission post is close to the pawl point is the slope setting, the other end fixedly connected with cardboard of transmission post, the cardboard is "U" shape structure, the both ends of transmission post are pegged graft with roof and fixed block respectively.
As a further improvement of the technical scheme, ball grooves are formed in two ends of the clamping plate, and rollers are rotatably connected in the ball grooves.
Compared with the prior art, the invention has the following beneficial effects:
1. this among electric power iron tower speed difference safety hook for high altitude construction with reverse locking mechanism, driving piece through setting up, when operating personnel is in unsettled state, the pulling driving piece, the driving piece passes through the carousel and drives the commentaries on classics board rotation, the commentaries on classics board drives the mounting disc through the change and rotates, the winding of rope will be connected in the mounting disc rotation, and then reach and drive operating personnel and rise, so that need not wait for the first-aid staff, save time, the distance that has dropped when operating personnel is longer is solved, operating personnel can be in unsettled state this moment, because of the distance that drops is longer, the distance is far away between operating personnel and the iron tower, and present safety hook can not realize the effect that rises, lead to the unable iron tower that grasps the top of operating personnel, only can seek the rescue, lead to the problem of the efficiency reduction of work.
2. In this electric power iron tower for high altitude construction speed difference safety hook with reverse locking mechanism, through the flexible pipe that sets up, when the driving piece was pulled, the driving piece rotated and drives the elastic sleeve and remove, and the elastic sleeve drives flexible pipe removal through 251, and flexible pipe removal is elongated and is made flexible pipe sleeve at the outer wall of connecting the rope, realizes spacing to connecting the rope to in order to prevent to connect that the rope produces stronger rocking.
3. In this speed difference safety hook is used to electric power iron tower high altitude construction with reverse locking mechanism, through the baffle that sets up, when buffer spring produced deformation, the distance between baffle and the fixed block elongated, and the driving piece fell down through buffer spring's surface according to self weight this moment to the driving piece can not influence operating personnel's construction when normal conditions, when operating personnel dropped, the driving piece just can fall down, so that did not hinder operating personnel to carry out the operation.
Drawings
FIG. 1 is a schematic view of the overall structure of embodiment 1 of the present invention;
fig. 2 is a schematic structural view of a housing in embodiment 1 of the present invention;
fig. 3 is a schematic structural view of a mounting plate according to embodiment 1 of the present invention;
FIG. 4 is an enlarged view of the second hook A in the embodiment 1 of FIG. 3;
FIG. 5 is a schematic structural diagram of a buffering device in embodiment 1 of the present invention;
FIG. 6 is a schematic view of a sleeve structure according to embodiment 1 of the present invention;
FIG. 7 is a schematic view of the ascending device according to embodiment 1 of the present invention;
FIG. 8 is a schematic structural view of a fixing mechanism according to embodiment 1 of the present invention;
FIG. 9 is a schematic structural view of a drive mechanism according to embodiment 1 of the present invention;
FIG. 10 is a schematic view of a telescopic tube according to embodiment 2 of the present invention;
FIG. 11 is a schematic view of the structure of a baffle plate according to embodiment 3 of the present invention;
FIG. 12 is a schematic view of the structure of a drive column according to embodiment 4 of the present invention;
FIG. 13 is an enlarged view of the structure of the card B in embodiment 4 of FIG. 12.
The various reference numbers in the figures mean:
100. an anti-falling device;
110. a housing; 111. installing a shaft; 112. a fixed shaft; 113. a pawl; 114. a tension spring; 115. a first hook; 116. a roller;
120. installing a disc; 121. connecting ropes; 122. a second hook; 123. a ratchet wheel; 124. a coil spring;
130. a connecting shaft; 131. a connecting rod; 132. a torsion spring;
140. a buffer device; 141. a fixed block; 142. a buffer spring; 143. a top plate; 144. a sleeve; 145. a loop bar;
150. a telescopic pipe; 151. a transmission rod; 152. an elastic sleeve;
160. a baffle plate; 161. a slide plate;
170. a drive post; 171. clamping a plate; 172. a roller;
200. a lifting device;
210. a fixing mechanism; 211. a cover plate; 212. plate holes; 213. a fixing rod; 214. installing a cover;
220. a drive mechanism; 221. rotating the plate; 222. rotating the ring; 223. a turntable; 224. a drive member.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Example 1
Referring to fig. 1 to 9, a speed difference falling protector with a reverse locking mechanism for high-altitude operation of an electric power iron tower is provided, which includes a falling protector 100 and a lifting device 200 disposed at a side of the falling protector 100, the falling protector 100 includes a housing 110 and a mounting plate 120, an inner wall of the housing 110 is provided with a mounting shaft 111 and a fixing shaft 112, an outer wall of the fixing shaft 112 is rotatably connected with a pawl 113, the pawl 113 is in a V-shaped structure, a side wall of the pawl 113 is connected with a tension spring 114, one end of the tension spring 114 is connected with a side wall of the housing 110, a top of the housing 110 is connected with a first hook 115, the mounting plate 120 is in a circular ring structure, an inner ring of the mounting plate 120 is provided with a collar rotatably connected with the mounting shaft 111, an outer ring of the mounting plate 120 is wound with a connecting rope 121, one end of the connecting rope 121 passes through the housing 110, one end of the connecting rope 121 is connected with a second hook 122, both sides of the mounting plate 120 are provided with ratchet wheels 123, a coil spring 124 is connected to the inner ring of the mounting plate 120, one end of the coil spring 124 is connected to the outer wall of the mounting shaft 111, and the ascending device 200 at least includes:
the fixing mechanism 210, the fixing mechanism 210 includes a cover plate 211 fixed on one side of the housing 110, and a plate hole 212 is opened on a side wall of the cover plate 211;
the driving mechanism 220, the driving mechanism 220 includes a rotating plate 221 rotatably connected in the plate hole 212, a rotating ring 222 is fixedly connected to a side wall of the rotating plate 221, an outer ring of the rotating ring 222 is fixedly connected to an inner ring of the mounting plate 120, a rotating disc 223 is fixedly connected to the other side of the rotating plate 221, a driving member 224 is rotatably connected to an outer ring of the rotating disc 223, the driving member 224 is preferably a chain, meanwhile, the turntable 223 adopts a chain wheel, and the chain does not slip when transmitting power, so as to prevent the driving part 224 from slipping on the outer wall of the turntable 223, when the operator is in a suspended state, the driving member 224 is pulled, the driving member 224 drives the rotating plate 221 to rotate through the rotating disc 223, the rotating plate 221 drives the mounting disc 120 to rotate through the rotating ring 222, the mounting disc 120 rotates to wind the connecting rope 121, and then reach and drive operating personnel and rise to do not need to wait for the rescue personnel, save time.
When the falling prevention device 100 and the ascending device 200 of the embodiment are used specifically, when the ratchet wheel 123 rotates normally, the ratchet wheel 123 rotates to drive the tip of the pawl 113 to rotate, at this time, the tension spring 114 pulls the tip of the pawl 113 to rotate through its own elasticity to reset, so that the tail of the pawl 113 does not contact with the fixed shaft 112, when an operator falls, the connecting rope 121 drives the mounting disc 120 to rotate at high speed, the mounting disc 120 drives the ratchet wheel 123 to rotate at high speed, the ratchet wheel 123 rotates at high speed to contact with one end of the pawl 113, the centrifugal force generated at this time is greater than the restraining force of the tension spring 114, the tip of the pawl 113 lifts up quickly to cause the tail of the pawl 113 to rotate towards the ratchet wheel 123, the tail of the pawl 113 rotates and pushes into the wedge of the ratchet wheel 123, the pawl 113 stops the rotation of the ratchet wheel 123, at this time, the driving piece 224 is pulled, the driving piece 224 drives the mounting disc 120 to rotate through the rotary disc 223, the rotary plate 221 and the rotary ring 222, the mounting disc 120 rotates to wind up the connecting rope, the connecting rope 121 is made to drive the operator to rise, so that the operator can grasp the iron tower and save oneself.
In addition, in order to prevent the casing 110 from wearing the connection rope 121, a support shaft is arranged at a position of the casing 110 where the connection rope 121 passes, the outer wall of the support shaft is rotatably connected with a roller 116, the roller 116 is rotatably connected with the connection rope 121, friction force generated between the sliding of the connection rope 121 and the casing 110 is reduced through the arranged roller 116, the wearing of the connection rope 121 is reduced due to the reduction of the friction force, and the service life of the connection rope 121 is further prolonged.
Further, for second couple 122 breaks away from the staff, the lateral wall of second couple 122 is provided with connecting axle 130, the outer wall of connecting axle 130 rotates and is connected with connecting rod 131, the one end setting of connecting rod 131 is at the inner wall of second couple 122, the outer wall of connecting axle 130 is provided with torsional spring 132, the one end of torsional spring 132 is connected with the lateral wall of connecting rod 131, the opening of second couple 122 is in the encapsulated situation when connecting rod 131 through setting up, when second couple 122 will hang the safety belt on the staff, connecting rod 131 blocks the opening, make the safety belt in the second couple 122 can't break away from second couple 122, and then improve the security performance of the device.
Still further, in order to reduce the pain feeling of the user during the operation of the device, the buffer device 140 is disposed on the outer wall of the housing 110, the buffer device 140 includes a fixing block 141 fixed to the top of the housing 110, a plurality of buffer springs 142 are disposed on the top of the fixing block 141, one end of each buffer spring 142 is connected to a top plate 143, the top of each top plate 143 is connected to the first hook 115, when the pawl 113 prevents the ratchet wheel 123 from rotating, a large impact force is generated, the buffer springs 142 are deformed to prolong the time of the impact force, and the impact force is released through the elasticity of the buffer springs 142, so that the pain feeling of the user during the operation of the device is reduced.
Specifically, in order to prevent a large angle swing between the buffering device 140 and the fixed block 141, a sleeve 144 is disposed in the buffering spring 142, the sleeve 144 is fixed at the top of the fixed block 141, a loop bar 145 is slidably connected in the sleeve 144, one end of the loop bar 145 is fixedly connected with the bottom of the top plate 143, when the buffering spring 142 is compressed and reset, the buffering spring 142 is limited by the sleeve 144 and the loop bar 145, so that the buffering spring 142 can only be compressed up and down, and the stability of the buffering spring 142 in the buffering process is improved.
In addition, in order to prevent the driving member 224 from being separated from the turntable 223, the outer wall of the cover plate 211 is fixedly connected with a fixing rod 213, one end of the fixing rod 213 is connected with a mounting cover 214, the mounting cover 214 is sleeved on the top of the turntable 223 and is rotatably connected with the turntable 223, the driving member 224 is limited by the mounting cover 214, the driving member 224 cannot be separated from the turntable 223, and the phenomenon that the driving member 224 is easy to fall off when the device shakes is prevented.
Example 2
In order to improve the stability of the device and prevent the connecting rope 121 from generating large shaking, the following improvements are made on the basis of the embodiment 1:
referring to fig. 10, wherein a telescopic tube 150 is disposed at the bottom of the housing 110 and located at the periphery of the connecting rope 121, the telescopic tube 150 is composed of a plurality of slidably connected circular tubes, a transmission rod 151 is connected to an outer wall of one end of the telescopic tube 150, the transmission rod 151 is sleeved on an outer wall of the driving member 224, an elastic sleeve 152 is disposed in the transmission rod 151, the elastic sleeve 152 is preferably made of rubber, the rubber has high flexibility and friction shape, and can ensure that a certain friction force is generated between the elastic sleeve 152 and the driving member 224 while being completely attached to the outer wall of the driving member 224, the elastic sleeve 152 is sleeved on an outer wall of the driving member 224, when the driving member 224 is pulled, the driving member 224 rotates to drive the elastic sleeve 152 to move, the elastic sleeve 152 drives the telescopic tube 150 to move through the transmission rod 151, the telescopic tube 150 moves to lengthen, so that the telescopic tube 150 is sleeved on the outer wall of the connecting rope 121, thereby limiting the connecting rope 121 and preventing the connecting rope 121 from shaking, meanwhile, the friction between the elastic sleeve 152 and the driving member 224 prevents the extension tube 150 from extending further and does not affect the rotation of the driving member 224 by generating a slip between the elastic sleeve 152 and the driving member 224 when the extension tube 150 contacts the second hook 122.
Example 3
In order to accommodate the driver 224, the following modifications are made on the basis of embodiment 1:
referring to fig. 11, a baffle 160 is disposed at the bottom of the top plate 143, a sliding plate 161 is disposed at the top of the fixing block 141, a surface of the sliding plate 161 is disposed in the baffle 160, and when the device is used, the driving member 224 is inserted into the surface of the sliding plate 161, and then the buffer spring 142 drives the baffle 160 to clamp the driving member 224 through its own elasticity, when the buffer spring 142 is deformed, a distance between the baffle 160 and the fixing block 141 is increased, and at this time, the driving member 224 slides down through the surface of the buffer spring 142 according to its own weight, so that the driving member 224 does not affect the construction of an operator under normal conditions, and when the operator drops, the driving member 224 drops down.
Example 4
In order to realize the control of the operation of the buffer spring 142, the following modifications are made on the basis of embodiment 3:
referring to fig. 12 to 13, a transmission column 170 is slidably connected to a side wall of the housing 110, the transmission column 170 is in an L-shaped structure, one end of the transmission column 170, which is close to a tip of the pawl 113, is obliquely disposed, the other end of the transmission column 170 is fixedly connected with a catch plate 171, the catch plate 171 is in a U-shaped structure, two ends of the transmission column 170 are respectively inserted into the top plate 143 and the fixed block 141, when the tip of the pawl 113 is rapidly lifted, the tip of the pawl 113 contacts and pushes the transmission column 170, the transmission column 170 drives the catch plate 171 to move, the catch plate 171 moves away from the fixed block 141 and the top plate 143, and at this time, a distance between the fixed block 141 and the top plate 143 can be controlled by the buffer spring 142, so that a buffering effect is restored, so that a worker can restore the buffering effect on the device at the moment of dropping, and does not need buffering when not dropping.
In addition, in order to increase the speed of the catch plate 171 separating from the top plate 143 and the buffer spring 142, ball grooves are formed in both ends of the catch plate 171, rollers 172 are rotatably connected in the ball grooves, the friction force between the catch plate 171 and the top plate 143 and between the catch plate 171 and the fixed block 141 is reduced through the rollers 172, and the speed of the catch plate 171 separating from the top plate 143 and the buffer spring 142 is increased.
The foregoing shows and describes the general principles, principal features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only preferred examples of the present invention and are not intended to limit the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, which fall within the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. The utility model provides an electric power iron tower for high altitude construction speed differential safety hook with reverse locking mechanism which characterized in that: the anti-falling device comprises an anti-falling device (100) and a rising device (200) arranged on the side edge of the anti-falling device (100), wherein the anti-falling device (100) comprises a shell (110) and a mounting disc (120), an installation shaft (111) and a fixed shaft (112) are arranged on the inner wall of the shell (110), a pawl (113) is connected to the outer wall of the fixed shaft (112) in a rotating manner, the pawl (113) is of a V-shaped structure, a tension spring (114) is connected to the side wall of the pawl (113), one end of the tension spring (114) is connected with the side wall of the shell (110), a first hook (115) is connected to the top of the shell (110), the mounting disc (120) is of a circular ring structure, a collar rotatably connected with the installation shaft (111) is arranged on the inner ring of the mounting disc (120), a connecting rope (121) is wound on the outer ring of the mounting disc (120), one end of the connecting rope (121) penetrates through the shell (110), one end of the connecting rope (121) is connected with a second hook (122), two sides of the mounting disc (120) are provided with ratchets (123), an inner ring of the mounting disc (120) is connected with a coil spring (124), one end of the coil spring (124) is connected with the outer wall of the mounting shaft (111), and the ascending device (200) at least comprises:
the fixing mechanism (210) comprises a cover plate (211) fixed on one side of the shell (110), and a plate hole (212) is formed in the side wall of the cover plate (211);
the driving mechanism (220) comprises a rotating plate (221) rotatably connected in the plate hole (212), the side wall of the rotating plate (221) is fixedly connected with a rotating ring (222), the outer ring of the rotating ring (222) is fixedly connected with the inner ring of the mounting plate (120), the other side of the rotating plate (221) is fixedly connected with a rotating disc (223), and the outer ring of the rotating disc (223) is rotatably connected with a driving piece (224);
the buffer device (140) is arranged on the outer wall of the shell (110), the buffer device (140) comprises a fixing block (141) fixed to the top of the shell (110), a plurality of buffer springs (142) are arranged on the top of the fixing block (141), one ends of the buffer springs (142) are connected with a top plate (143), and the top of the top plate (143) is connected with the first hook (115);
a sleeve (144) is arranged in the buffer spring (142), the sleeve (144) is fixed at the top of the fixing block (141), a sleeve rod (145) is connected in the sleeve (144) in a sliding manner, and one end of the sleeve rod (145) is fixedly connected with the bottom of the top plate (143);
the outer wall of the cover plate (211) is fixedly connected with a fixing rod (213), one end of the fixing rod (213) is connected with an installation cover (214), and the installation cover (214) is sleeved on the top of the turntable (223) and is in rotating connection with the turntable;
an extension tube (150) is arranged at the bottom of the shell (110) and positioned at the periphery of the connecting rope (121), a transmission rod (151) is connected to the outer wall of one end of the extension tube (150), the transmission rod (151) is sleeved on the outer wall of the driving part (224), an elastic sleeve (152) is arranged in the transmission rod (151), and the elastic sleeve (152) is sleeved on the outer wall of the driving part (224);
a baffle (160) is arranged at the bottom of the top plate (143), a sliding plate (161) is arranged at the top of the fixed block (141), the surface of the sliding plate (161) is obliquely arranged, and the sliding plate (161) is arranged in the baffle (160);
the side wall of the shell (110) is connected with a transmission column (170) in a sliding mode, the transmission column (170) is of an L-shaped structure, one end, close to the tip of the pawl (113), of the transmission column (170) is arranged in an inclined mode, the other end of the transmission column (170) is fixedly connected with a clamping plate (171), the clamping plate (171) is of a U-shaped structure, and two ends of the transmission column (170) are respectively connected with the top plate (143) and the fixing block (141) in an inserted mode.
2. The speed difference safety hook with the reverse locking mechanism for the high-altitude operation of the electric power iron tower as claimed in claim 1, is characterized in that: the position that casing (110) are located to connect rope (121) and pass is provided with the back shaft, the outer wall of back shaft rotates and is connected with gyro wheel (116), gyro wheel (116) rotate with to be connected rope (121) and are connected.
3. The speed difference safety hook with the reverse locking mechanism for the electric power iron tower high-altitude operation according to claim 1, is characterized in that: the lateral wall of second couple (122) is provided with connecting axle (130), the outer wall of connecting axle (130) rotates and is connected with connecting rod (131), the one end setting of connecting rod (131) is at the inner wall of second couple (122), the outer wall of connecting axle (130) is provided with torsional spring (132), the one end of torsional spring (132) is connected with the lateral wall of connecting rod (131).
4. The speed difference safety hook with the reverse locking mechanism for the high-altitude operation of the electric power iron tower as claimed in claim 1, is characterized in that: ball grooves are formed in two ends of the clamping plate (171), and rollers (172) are rotatably connected in the ball grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111294432.4A CN113856085B (en) | 2021-11-03 | 2021-11-03 | Differential speed falling protector with reverse locking mechanism for high-altitude operation of electric power iron tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111294432.4A CN113856085B (en) | 2021-11-03 | 2021-11-03 | Differential speed falling protector with reverse locking mechanism for high-altitude operation of electric power iron tower |
Publications (2)
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| CN114949656A (en) * | 2022-06-01 | 2022-08-30 | 扬州市工二电力机具有限公司 | Differential safety hook for electric power high-altitude operation |
| CN119153971B (en) * | 2024-11-21 | 2025-03-28 | 国网甘肃省电力公司兰州供电公司 | Unmanned aerial vehicle hanging and dismantling ground wire grounding device for power engineering |
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| CN2066436U (en) * | 1990-04-26 | 1990-11-28 | 徐才发 | Light lift |
| CN203874302U (en) * | 2014-05-06 | 2014-10-15 | 罗喁洪 | Lifter |
| US10265555B2 (en) * | 2016-06-17 | 2019-04-23 | Fang-Kuan Wu | Anti-falling device with rope retractable system |
| CN107007952A (en) * | 2017-03-29 | 2017-08-04 | 温州赛凯劳动防护装备有限公司 | A kind of speed difference automatic controller of the overall deliverance apparatus of band |
| CN208852281U (en) * | 2018-07-13 | 2019-05-14 | 国家电网公司 | Power transmission tower climbing anti-fall tool |
| CN209437915U (en) * | 2018-12-07 | 2019-09-27 | 广西电网有限责任公司桂林供电局 | Livewire work falling proof device |
| CN109763664B (en) * | 2019-01-22 | 2022-06-10 | 金华捷科工具有限公司 | Buffering type speed difference falling protector |
| FR3101253B1 (en) * | 2019-09-27 | 2022-12-02 | Delta Plus Group | Fall arrest device, preferably self-closing |
| CN110548236A (en) * | 2019-10-07 | 2019-12-10 | 南京林业大学 | A buffer type speed difference anti-falling device |
| CN112843519B (en) * | 2021-01-25 | 2021-11-16 | 河南建筑职业技术学院 | Falling protector for high-altitude operation |
| CN113368420A (en) * | 2021-06-21 | 2021-09-10 | 南京林业大学 | Buffering type speed difference anti-falling device |
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Denomination of invention: A speed difference anti fall device with reverse locking mechanism for high-altitude operation of power iron towers Effective date of registration: 20231205 Granted publication date: 20220726 Pledgee: Yantai financing guarantee Group Co.,Ltd. Pledgor: DONGFANG ELECTRONICS Co.,Ltd. Registration number: Y2023980069277 |
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