CN115228004B - Hand-held type iron tower climbing anti-falling self-locking device - Google Patents
Hand-held type iron tower climbing anti-falling self-locking device Download PDFInfo
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- CN115228004B CN115228004B CN202210868001.2A CN202210868001A CN115228004B CN 115228004 B CN115228004 B CN 115228004B CN 202210868001 A CN202210868001 A CN 202210868001A CN 115228004 B CN115228004 B CN 115228004B
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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
-
- 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
- A62B35/0043—Lifelines, lanyards, and anchors therefore
- A62B35/0075—Details of ropes or similar equipment, e.g. between the secured person and the lifeline or anchor
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Business, Economics & Management (AREA)
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Abstract
The invention discloses a hand-held type iron tower climbing anti-falling self-locking device, which can effectively solve the problem that the safety of the existing hand-held type anti-falling device is not high. The fixing block of the self-locking device is provided with a clamping groove for clamping angle steel of the iron tower, a detachable first movable plate and a detachable second movable plate are arranged in the clamping groove, the first movable plate is arranged on the front plate in a sliding manner along the front-back direction, the locking block pushes the first movable plate to move towards the back plate, the second movable plate is movably arranged in the clamping groove and is opposite to the side plate, and a pushing strip for pushing the second movable plate to move towards the side plate is arranged on one side, close to the opening of the clamping groove, of the first movable plate; when the locking position is reached, the locking block at least partially stretches into the clamping groove to push the first movable plate to be matched with the rear plate to clamp the angle steel from the front-rear direction, and meanwhile, the first movable plate pushes the second movable plate to enable the second movable plate to be matched with the side plate to clamp the angle steel from the left-right direction. The fixing block is effectively prevented from slipping from the angle steel, and the safety of the self-locking device is greatly improved.
Description
Technical Field
The invention relates to the field of climbing safety protection, in particular to a hand-held anti-falling self-locking device for climbing an iron tower.
Background
In the operation, maintenance and overhaul operation of overhead transmission lines, personnel safety protection measures for workers to go up and down a pole tower and in the process of shifting on the tower are very important, and personal safety accidents can be possibly caused once safety protection is lost or safety protection equipment fails in the ascending operation. At present, a guide rail type anti-falling device is installed for overhead transmission line pole tower high altitude falling prevention measures in China. The anti-falling self-locking device mainly comprises a guide rail, a direction converter, an anti-falling self-locking device, a safety rope, a fastener, a connecting fitting and the like. Wherein the guide rail type is C-shaped (groove-shaped) and T-shaped (I-shaped); the guide rail, the steering gear and other parts are installed and fixed on the tower body and the cross arm of the tower through connecting pieces.
When an operator transfers the operation on a pole tower or at a high place, the operator carries the anti-falling self-locking device and the safety belt, and the anti-falling self-locking device is connected with the safety belt on the operator body through the safety lock catch and the connecting rope. The operators can drive the falling protector to move up and down after putting the falling protector into the guide rail with corresponding specification, and if the operators at high positions fall down due to foot loss, the falling protector can firmly lock the operators on the guide rail, so that casualties caused by falling of the operators are prevented.
The hand-held tower falling protector comprises a fixed block, a fixed handle, a movable handle, a locking block and a rope hanging hook, wherein the fixed block is provided with a clamping groove with a concave cross section, the fixed handle is fixed on the side surface of the fixed block, the locking block is rotatably arranged on the fixed block below the fixed handle, the movable handle and the rope hanging hook are both fixed on the locking block, and the fixed block is also provided with a through groove which enables the locking block to extend into the clamping groove; when the locking block is not pulled downwards by external force or by the hanging rope, the locking block stretches into the clamping groove and is matched with the opposite side wall of the clamping groove to clamp the tower material; when the movable handle and the fixed handle are close, the locking block and the side wall of the clamping groove loosen the tower material. The safety device can be directly used on the pole tower, is not limited by whether the guide rail is arranged on the pole tower or not, and can be taken down and taken away by only carrying one set of safety device when people line inspection, and after the use is finished, the safety device is also convenient for daily maintenance and difficult to generate a blocking phenomenon.
However, due to the adoption of the concave clamping groove, one end of the falling protector is always in an open state, and when the falling protector is biased to one side, the falling protector and the tower are possibly separated, so that the safety of the falling protector is reduced.
Disclosure of Invention
The invention aims to provide a hand-held type iron tower climbing anti-falling self-locking device, which can effectively solve the problem of low safety of the existing hand-held type anti-falling device.
In order to solve the technical problems, the invention is realized by the following technical scheme: the utility model provides a hand-held type iron tower climbing anti-falling self-locking device, includes fixed block, fixed handle, movable handle, latch segment and string rope hook, open on the fixed block and let the draw-in groove that the angle steel card of iron tower was gone into, the fixed handle is fixed on the fixed block, rotate on the fixed block and be connected with the latch segment, the movable handle drives the latch segment rotates, string rope hook is fixed on the latch segment, the fixed block includes front bezel, back plate and curb plate, open on the front bezel has the logical groove that lets the latch segment stretch into in the draw-in groove, front bezel and back plate respectively with curb plate fixed connection form the cross section be concave font the draw-in groove, be equipped with detachable first fly leaf and detachable second fly leaf in the draw-in groove, first fly leaf slides along the fore-and-aft direction and sets up on the front bezel, the latch segment promotes first fly leaf orientation the back plate orientation removes, the string rope hook is fixed on the latch segment, the fixed block includes front bezel and with the curb plate sets up relatively, front bezel and the first fly leaf is close to the movable strip of side that promotes the opening is equipped with the second side of draw-in the draw-in groove;
the locking block comprises a locking position and an unlocking position, and when the locking position is in the locking position, the locking block at least partially stretches into the clamping groove to push the first movable plate to be matched with the rear plate to clamp the angle steel from the front-back direction, and meanwhile, the first movable plate pushes the second movable plate to enable the second movable plate to be matched with the side plate to clamp the angle steel from the left-right direction;
the fixed handle is an arc handle, and the arc center direction is back to the movable handle.
Preferably, the front plate is provided with a first sliding groove, the rear plate is provided with a second sliding groove, and the second movable plate is provided with a first sliding rod respectively matched with the first sliding groove and the second sliding groove. When the second movable plate slides towards or away from the side plate, the sliding direction of the second movable plate is limited through the cooperation of the sliding rod and the sliding groove, and meanwhile, the balance of the second movable plate in the moving process is kept.
Preferably, the front plate is provided with two first sliding grooves, and the first sliding grooves are respectively positioned above and below the pushing strip; the rear plate is also provided with two second sliding grooves which are respectively positioned above and below the pushing strip. Further promote the balance of second sliding plate when sliding, prevent that second sliding plate from appearing overturning in the slip in-process.
Preferably, the pushing strip is provided with an inclined plane which is propped against the second movable plate, and the inclined plane is gradually far away from the center of the first movable plate from front to back. In the process of moving the first movable plate to the back plate, the inclined plane can be used for pushing the second movable plate to move towards the side plate stably, so that the running stability of the second movable plate is kept.
Preferably, the front plate is provided with at least one sliding hole, and the end surface of the first movable plate facing the front plate is provided with a second sliding rod which slides in a matched manner with the sliding hole. Through the cooperation of slide hole and second slide bar, the motion track of restriction first fly leaf also makes things convenient for simultaneously when installing the auto-lock ware on the angle steel that first fly leaf can not drop.
Preferably, the locking block is a cylinder with an elliptic cross section, a connecting line of two focuses on the cross section of the locking block is parallel to the length direction of the clamping groove, the upper half part of the locking block is connected with a rotating shaft, and the axis of the rotating shaft is perpendicular to the connecting line of the two focuses of the locking block. The locking block and the tower material can be ensured to be in line contact, the contact surface is enlarged, and the rotation direction is perpendicular to the clamping force application direction, so that the operation of personnel is facilitated.
Preferably, two parallel supporting blocks are arranged on the fixed block below the fixed handle, the locking block is positioned between the two supporting blocks, and two ends of the rotating shaft are respectively connected with one supporting block. The locking block is supported in a rotating way through the supporting block, so that the setting of the locking block is facilitated.
Preferably, the rotating shaft is further sleeved with a torsion spring, one end of the torsion spring is fixedly connected with one supporting block, and the other end of the torsion spring is fixedly connected with the locking block. The torsion spring is utilized to ensure that the locking block can return to the locking position when the external force is removed, so that accidents are prevented.
Preferably, the rope hanging hook is positioned below the movable handle. When the safety rope is hung in the rope hanging hook, the operation of the movable handle is not affected.
Compared with the prior art, the invention has the advantages that: the second movable plate is arranged at the opening of the clamping groove to seal the opening of the clamping groove, so that the problem that potential safety hazards exist in the opening of one end of the existing falling protector is solved. When the condition that falls takes place or do not receive external force, the latch segment will promote first fly leaf and back plate cooperation and press from both sides the angle steel of iron tower tightly, provide sufficient frictional force and prevent to fall to when first fly leaf removes from the unblock position to the locking position, promote the second fly leaf simultaneously and remove to the curb plate direction, thereby make second fly leaf and curb plate mutually support the side with the angle steel tightly, formed the clamp of four directions of auto-lock ware diagonal steel, can effectively avoid the fixed block to follow the angle steel and slippage moreover, improved the security of auto-lock ware greatly. In addition, because the arc-shaped fixed handle is adopted, the holding feel can be effectively improved when a user holds the handle, and the handle is not easy to slip.
Drawings
FIG. 1 is a front view of a hand-held iron tower climbing anti-fall self-lock device of the present invention;
FIG. 2 is a right side view of a hand-held iron tower climbing anti-falling self-locking device of the invention;
FIG. 3 is a top view of a hand-held iron tower climbing anti-falling self-locking device of the invention;
FIG. 4 is a cross-sectional view of A-A of FIG. 3;
fig. 5 is a partial enlarged view of fig. 3 at B.
Reference numerals:
the fixing block 1, the clamping groove 11, the front plate 12, the rear plate 13, the side plate 14, the through groove 15, the first sliding groove 16, the second sliding groove 17 and the sliding hole 18;
a fixed handle 2;
a movable handle 3;
the locking block 4, the rotating shaft 41 and the torsion spring 42;
a rope hook 5;
a first movable plate 6, a pushing bar 61, a second sliding bar 62 and an inclined plane 63;
a second movable plate 7 and a first slide bar 71;
and a support block 8.
Detailed Description
The utility model provides a hand-held type iron tower climbing anti-falling self-locking device, includes fixed block, fixed handle, movable handle, latch segment and string rope hook, open on the fixed block and let the draw-in groove that the angle steel card of iron tower was gone into, the fixed handle is fixed on the fixed block, rotate on the fixed block and be connected with the latch segment, the movable handle drives the latch segment rotates, string rope hook is fixed on the latch segment, the fixed block includes front bezel, back plate and curb plate, open on the front bezel has the logical groove that lets the latch segment stretch into in the draw-in groove, front bezel and back plate respectively with curb plate fixed connection form the cross section be concave font the draw-in groove, be equipped with detachable first fly leaf and detachable second fly leaf in the draw-in groove, first fly leaf slides along the fore-and-aft direction and sets up on the front bezel, the latch segment promotes first fly leaf orientation the back plate orientation removes, the string rope hook is fixed on the latch segment, the fixed block includes front bezel and with the curb plate sets up relatively, front bezel and the first fly leaf is close to the movable strip of side that promotes the opening is equipped with the second side of draw-in the draw-in groove; the locking block comprises a locking position and an unlocking position, and when the locking position is in the locking position, the locking block at least partially stretches into the clamping groove to push the first movable plate to be matched with the rear plate to clamp the angle steel from the front-back direction, and meanwhile the first movable plate pushes the second movable plate to enable the second movable plate to be matched with the side plate to clamp the angle steel from the left-right direction. The fixed handle is an arc handle, and the arc center direction is back to the movable handle. The second movable plate is arranged at the opening of the clamping groove to seal the opening of the clamping groove, so that the problem that potential safety hazards exist in the opening of one end of the existing falling protector is solved. When the condition that falls takes place or do not receive external force, the latch segment will promote first fly leaf and back plate cooperation and press from both sides the angle steel of iron tower tightly, provide sufficient frictional force and prevent to fall to when first fly leaf removes from the unblock position to the locking position, promote the second fly leaf simultaneously and remove to the curb plate direction, thereby make second fly leaf and curb plate mutually support the side with the angle steel tightly, formed the clamp of four directions of auto-lock ware diagonal steel, can effectively avoid the fixed block to follow the angle steel and slippage moreover, improved the security of auto-lock ware greatly.
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element in question must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
Referring to fig. 1 to 5, the embodiment of the hand-held anti-falling self-locking device for climbing iron towers comprises a fixed block 1, a fixed handle 2, a movable handle 3, a locking block 4 and a rope hanging hook 5, wherein a clamping groove 11 for clamping angle steel of the iron tower is formed in the fixed block 1, the clamping groove 11 is formed by enclosing a front plate 12, a side plate 14 and a rear plate 13 on the fixed block 1, the cross section of the clamping groove 11 is concave, and the front plate 12 and the rear plate 13 are fixedly connected with two opposite side edges of the side plate 14 respectively. The fixed handle 2 is fixed on the upper part of the front plate 12 of the fixed block 1, the locking block 4 is rotationally connected on the front plate 12 below the fixed handle 2, the movable handle 3 and the hanging rope hook 5 are both fixed on the locking block 4, a through groove 15 which enables the locking block 4 to extend into the clamping groove 11 is further formed in the front plate 12, a first movable plate 6 movably connected with the front plate 12 is arranged in the clamping groove 11, the first movable plate 6 can slide back and forth along the connecting line direction of the front plate 12 and the rear plate 13, the first movable plate 6 is pushed by the locking block 4 to slide towards the direction of the rear plate 13, meanwhile, a second movable plate 7 which seals the opening of the clamping groove 11 is further arranged in the clamping groove 11, namely, the second movable plate 7 is arranged in the clamping groove 11 and is opposite to the direction position of the side plate 14, and a pushing bar 61 which pushes the second movable plate 7 to move towards the direction of the side plate 14 is arranged on one side of the opening of the first movable plate 6, which is close to the clamping groove 11.
The locking block 4 comprises a locking position and an unlocking position, when the locking position is not subjected to external force or the pulling force of the rope hanging hook 5, the locking block 4 is driven to rotate, the first movable plate 6 is pushed towards the direction of the rear plate 13, the first movable plate 6 and the rear plate 13 are matched to clamp the angle steel in the front-back direction, meanwhile, the second movable plate 7 is driven to move towards the side plate 14 due to the movement of the first movable plate 6, the second movable plate 7 and the side plate 14 clamp the angle steel from the left-right direction, so that the force applied in four directions of diagonal steel is formed, and the safety of climbing personnel is ensured; in addition, the second movable plate 7 seals the opening of the clamping groove 11, so that the wire outlet fixed block 1 and the angle steel are not easy to separate, and the safety of the self-locking device is further improved. The angle steel of the iron towers with different widths can be realized by replacing the first movable plate 6 and the second movable plate 7 with different sizes. And when personnel need upwards climb, fix handle 2 and movable handle 3 through holding, drive latch segment 4 is not hard up to remove the extrusion of first fly leaf 6 and second fly leaf 7 to the angle steel, make four directions all have not hard up space around, the climbing personnel of being convenient for remove the auto-lock ware along angle steel length direction, convenient operation is swift.
In order to ensure that the second movable plate 7 cannot separate from the fixed block 1 when the second movable plate 7 is not forced by the pushing strip 61 on the first movable plate 6, a first sliding groove 16 is formed in one side, away from the side plate 14, of the front plate 12, a second sliding groove 17 is formed in one side, away from the side plate 14, of the rear plate 13, a first sliding rod 71 is arranged on the second movable plate 7, corresponding to the first sliding groove 16 and the second sliding groove 17, respectively, the second movable plate 7 cannot separate from the fixed block 1 in the vertical direction through the first sliding rod 71, and can slide in the left-right direction when the second movable block is acted by the pushing strip 61.
Further, two first sliding grooves 16 are formed in the front plate 12 and located above and below the pushing bar 61, and two second sliding grooves 17 are formed in the rear plate 13 and located above and below the pushing bar 61 in the vertical direction, and the first sliding grooves 16 and the second sliding grooves 17 are not necessarily located on the same horizontal line, but are preferably located on the same horizontal line for convenience of installation. The two first sliding grooves 16 and the two second sliding grooves 17 are arranged, and four first sliding rods 71 are arranged on the second movable plate 7, so that the problem of overturning and clamping is not easy to occur when the second movable plate 7 slides along the left-right direction under the stress, and the second movable plate 7 can slide freely in the clamping groove 11.
Since the second movable plate 7 is pushed to move reversely to the side plate 14 when the first movable plate 6 moves to the back plate 13, the pushing strip 61 is provided with a slope 63 which is abutted against the second movable plate 7, and the slope 63 is gradually far away from the center of the first movable plate 6 from front to back, that is, when the first movable plate 6 moves to the back plate 13, the second movable plate 7 can linearly move to the side plate 14, so that the clamping force to the angle steel is slowly applied.
In addition, for convenience, when the fixed block 1 is mounted on the angle steel, the first movable plate 6 can be provided with two sliding rods 62 which are in sliding fit with the sliding holes 18 at preset positions on the front half, and the end face of the first movable plate 6 facing the front half is provided with two sliding rods.
For the locking block 4, the cross section of the locking block 4 is generally in a cylindrical shape such as a circle, an ellipse or a polygon, preferably, a cylinder with the cross section of the ellipse is selected, so that when the locking block 4 is in a locking position and a releasing position, the distance between the locking block 4 and the first movable plate 6 which can be pushed to slide forwards and backwards can be adjusted to a larger extent, and the locking block is convenient for personnel to operate; at this time, the oval end surface of the locking block 4 is consistent with the opening direction of the front plate 12, that is, the connecting line of the two focuses on the cross section of the locking block 4 is parallel to the length direction of the clamping groove 11, the upper half part of the locking block 4 is connected with a rotating shaft 41, and the axis of the rotating shaft 41 is perpendicular to the connecting line of the two focuses of the locking block 4, so that the arc-shaped outer side surface of the locking block 4 can be ensured to be in line contact with the first movable plate 6.
In order to ensure that the locking block 4 can rotate better during use, the locking position and the unlocking position are switched, two parallel supporting blocks 8 are arranged on the fixed block 1 below the fixed handle 2, a certain position is reserved between the two supporting blocks 8, the locking block 4 is positioned between the two supporting blocks 8, two ends of the rotating shaft 41 are respectively connected with one supporting block 8, the rotating shaft 41 can be fixedly connected with the supporting blocks 8 or the locking block 4, and can also be rotationally connected with the supporting blocks, so long as the locking block 4 is ensured to rotate relative to the supporting blocks 8. Of course, in order to make the locking block 4 be in the locking position when not subjected to external force, the rotating shaft 41 can be sleeved with the torsion spring 42, one end of the torsion spring 42 is fixedly connected with one supporting block 8 of the torsion spring 42, the other end of the torsion spring 42 is fixedly connected with the locking block 4, and when the locking block 4 is in the unlocking position, once the external force is removed, the locking block 4 is switched to the locking position by utilizing the elasticity of the torsion spring 42.
The rope hanging hook 5 is preferably positioned below the movable handle 3, so that the distance between the movable handle 3 and the fixed handle 2 can be reduced, the operation of one hand by personnel is facilitated, the locking block 4 is required to be controlled to rotate when the movable handle 3 is operated, the locking block 4 is switched to the unlocking position, the locking block 4 is required to be in the locking position when the rope hanging hook 5 is stressed, the movable handle 3 is fixedly connected to the upper half part of the locking block 4, and the rope hanging hook 5 is fixedly connected to the lower half part of the locking block 4. Generally, the rope hook 5 comprises a connecting block, a hanging hole is formed in the connecting block, and the safety rope can directly penetrate through the hanging hole and then be fixedly connected with a person.
The fixed handle 2 is an arc handle, and the bottom end of the fixed handle is fixed on the fixed block 1; the movable handle 3 is also an arc handle, and the bottom end of the movable handle is fixed on the locking block 4; the concave surfaces of the fixed handle 2 and the movable handle 3 face upwards, and when the locking block 4 is switched to the unlocking position, operators can obtain better holding hand feeling.
During assembly, according to the width and thickness of angle steel, the first movable plate 6 and the second movable plate 7 with proper sizes are selected, the second sliding rod 62 on the first movable plate 6 is inserted into the corresponding sliding hole 18 on the front plate 12, then the fixed block 1 is clamped into the angle steel, finally the first sliding rod 71 of the second movable plate 7 close to the front plate 12 is firstly inserted into the first sliding groove 16 of the front plate 12 so as to avoid the pushing strip 61, one side of the first movable plate 6 can be inserted into the clamping groove 11 between the pushing strip 61 and the side plate 14, then the first sliding rod 71 of the second movable plate 7 close to the rear plate 13 is inserted into the second sliding groove 17, the self-locking device and the angle steel are assembled, then the safety rope is penetrated into the hanging rope hook 5, and the safety rope and a climber are bound together.
In the process of lifting and lowering the pole tower, the fixed handle 2 and the movable handle 3 of the anti-falling device are held by one hand, the distance between the fixed handle 2 and the movable handle 3 is pinched to the minimum, at the moment, the locking block 4 is switched to the unlocking position, the distance between the locking block 4 and the side wall of the corresponding clamping groove 11 is the maximum, the first movable plate 6 and the rear plate 13 do not generate front-rear clamping force on angle steel, the second movable plate 7 and the side plate 14 do not generate left-right clamping force on angle steel, an operator releases the fixed handle 2 and the movable handle 3, the locking block 4 is switched to the locking position, the first movable plate 6 and the rear plate 13 clamp angle steel from the front-rear direction, the second movable plate 7 and the side plate 14 clamp angle steel from the left-right direction, and if an operator falls out, the locking block 4 is blocked in the locking position under the action of the downward force of a hanging rope hook 5 of the self-locking device connected by a safety rope and the operator, so that the operator falls down to cause accidents. The operation personnel block the tower material in turn through two safety devices and remove on the shaft tower to protect operation personnel's safety, avoided the emergence of incident, and this device is to the use of pair, guarantees operation personnel's safety.
The above embodiments are merely illustrative embodiments of the present invention, but the technical features of the present invention are not limited thereto, and any changes or modifications made by those skilled in the art within the scope of the present invention are included in the scope of the present invention.
Claims (5)
1. The utility model provides a hand-held type iron tower climbing anti-falling self-locking device, includes fixed block, fixed handle, movable handle, latch segment and string rope collude, it has the draw-in groove that lets the angle steel card of iron tower go into to open on the fixed block, the fixed handle is fixed on the fixed block, it is connected with to rotate on the fixed block the latch segment, the movable handle drive the latch segment rotates, string rope colludes to fix on the latch segment, its characterized in that: the fixing block comprises a front plate, a rear plate and a side plate, wherein a through groove for enabling the locking block to partially extend into the clamping groove is formed in the front plate, the front plate and the rear plate are respectively and fixedly connected with the side plate to form the clamping groove with a concave cross section, a first detachable movable plate and a second detachable movable plate are arranged in the clamping groove, the first movable plate is arranged on the front plate in a sliding mode along the front-back direction, the locking block pushes the first movable plate to move towards the direction of the rear plate, the second movable plate is movably arranged in the clamping groove and is opposite to the side plate, and a pushing strip for pushing the second movable plate to move towards the direction of the side plate is arranged on one side, close to the opening of the clamping groove, of the first movable plate;
the locking block comprises a locking position and an unlocking position, and when the locking position is in the locking position, the locking block at least partially stretches into the clamping groove to push the first movable plate to be matched with the rear plate to clamp the angle steel from the front-back direction, and meanwhile, the first movable plate pushes the second movable plate to enable the second movable plate to be matched with the side plate to clamp the angle steel from the left-right direction;
the fixed handle is an arc handle, and the circle center direction of the arc is opposite to the movable handle;
the front plate is provided with a first sliding groove, the rear plate is provided with a second sliding groove, and the second movable plate is provided with a first sliding rod respectively matched with the first sliding groove and the second sliding groove;
the pushing strip is provided with an inclined plane which is propped against the second movable plate, and the inclined plane is gradually far away from the center of the first movable plate from front to back;
at least one sliding hole is formed in the front plate, and a second sliding rod which slides in a matched mode with the sliding hole is arranged on the end face of the first movable plate, which faces the front plate.
2. The hand-held iron tower climbing anti-falling self-locking device as set forth in claim 1, wherein: the locking block is a cylinder with an elliptical cross section, the connecting line of the two focuses on the cross section of the locking block is parallel to the length direction of the clamping groove, the upper half part of the locking block is connected with a rotating shaft, and the axis of the rotating shaft is perpendicular to the connecting line of the two focuses of the locking block.
3. The hand-held iron tower climbing anti-falling self-locking device as set forth in claim 2, wherein: the fixed block below the fixed handle is provided with two parallel supporting blocks, the locking block is positioned between the two supporting blocks, and two ends of the rotating shaft are respectively connected with one supporting block.
4. A hand-held iron tower climbing fall arrest self-lock device as claimed in claim 3, wherein: the rotating shaft is also sleeved with a torsion spring, one end of the torsion spring is fixedly connected with one supporting block, and the other end of the torsion spring is fixedly connected with the locking block.
5. The hand-held iron tower climbing anti-falling self-locking device as set forth in claim 2, wherein: the rope hanging hook is positioned below the movable handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210868001.2A CN115228004B (en) | 2022-07-22 | 2022-07-22 | Hand-held type iron tower climbing anti-falling self-locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210868001.2A CN115228004B (en) | 2022-07-22 | 2022-07-22 | Hand-held type iron tower climbing anti-falling self-locking device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115228004A CN115228004A (en) | 2022-10-25 |
| CN115228004B true CN115228004B (en) | 2023-08-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210868001.2A Active CN115228004B (en) | 2022-07-22 | 2022-07-22 | Hand-held type iron tower climbing anti-falling self-locking device |
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| Country | Link |
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| CN (1) | CN115228004B (en) |
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| TWI838106B (en) * | 2023-02-02 | 2024-04-01 | 蕭惠文 | Descending device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| FR2339566A1 (en) * | 1976-01-29 | 1977-08-26 | Bugat Francis | Hand operated clamp and brake for rope - has cam surface pressing rope against main body and pulley for alternative use as pulley block |
| CN101428300B (en) * | 2008-12-10 | 2010-06-16 | 中国重型机械研究院 | Synchronous mechanism for steel wire rope |
| CN205583558U (en) * | 2016-05-10 | 2016-09-14 | 国网河南南召县供电公司 | Cable external insulation layer device of skinning |
| CN112516480A (en) * | 2020-10-22 | 2021-03-19 | 国网浙江省电力有限公司温州供电公司 | Method for climbing iron tower of power transmission line |
| CN216803077U (en) * | 2021-03-06 | 2022-06-24 | 上海西美工具进出口有限公司 | Manual F clamp |
| CN216571284U (en) * | 2021-11-08 | 2022-05-24 | 安徽信成工程技术有限公司 | Anti-falling device for power equipment |
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Effective date of registration: 20230802 Address after: 325000 Jinxiu road power building, Lucheng District, Wenzhou City, Zhejiang Province Applicant after: WENZHOU POWER SUPPLY COMPANY OF STATE GRID ZHEJIANG ELECTRIC POWER Co.,Ltd. Applicant after: Zhejiang Huadian Equipment Testing Research Institute Co.,Ltd. Address before: 325000 Jinxiu road Electric Power Mansion, Wenzhou, Zhejiang Applicant before: WENZHOU POWER SUPPLY COMPANY OF STATE GRID ZHEJIANG ELECTRIC POWER Co.,Ltd. |
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