CN115228004A - Anti-falling self-locking device for climbing of handheld iron tower - Google Patents
Anti-falling self-locking device for climbing of handheld iron tower Download PDFInfo
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- CN115228004A CN115228004A CN202210868001.2A CN202210868001A CN115228004A CN 115228004 A CN115228004 A CN 115228004A CN 202210868001 A CN202210868001 A CN 202210868001A CN 115228004 A CN115228004 A CN 115228004A
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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
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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
- A62B35/0043—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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Abstract
The invention discloses a handheld anti-falling self-locking device for iron tower climbing, which can effectively solve the problem of low safety of the conventional handheld anti-falling device. A clamping groove for clamping angle steel of an iron tower is formed in a fixing block of the self-locking device, a detachable first movable plate and a detachable second movable plate are arranged in the clamping groove, the first movable plate is arranged on a front plate in a sliding mode along the front-back direction, a locking block pushes the first movable plate to move towards the rear plate, the second movable plate is movably arranged in the clamping groove and is opposite to a 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 an opening of the clamping groove, of the first movable plate; when the locking position is carried out, at least part of the locking block extends into the clamping groove, the first movable plate is pushed to be matched with the rear plate to clamp the angle steel from the front-back direction, and meanwhile, the second movable plate is pushed by the first movable plate to be matched with the side plate to clamp the angle steel from the left-right direction. Effectively avoid the fixed block to follow the slippage on the angle steel, improved the security of self-locking ware greatly.
Description
Technical Field
The invention relates to the field of climbing safety protection, in particular to a handheld anti-falling self-locking device for iron tower climbing.
Background
In the operation, maintenance and overhaul operation of the overhead transmission line, personal safety protection measures during the process of ascending and descending the tower and shifting on the tower by workers are very important, and personal safety accidents can be caused once safety protection is lost or safety protection equipment fails in the ascending operation. At present, guide rail type anti-falling devices are mostly installed aiming at overhead transmission line pole towers 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 hardware fitting and the like. Wherein the guide rail type comprises a C type (groove type), a T type (I type) and the like; the guide rail, the steering gear and other components are fixedly arranged on the tower body and the cross arm of the tower through connecting pieces.
When an operator carries out high-place transfer operation on a tower, the anti-falling self-locking device and the safety belt are carried along, and the anti-falling self-locking device is connected with the safety belt on the body of the operator through the safety lock catch and the connecting rope. The falling protector can be driven to move up and down by operators after being placed into the guide rail with the corresponding specification, and if the operators at high altitude fall off due to losing, the falling-preventing self-locking device can firmly lock the operators on the guide rail, so that the operators are prevented from falling off to cause casualty accidents.
Therefore, the handheld tower falling protector comprises a fixing block, a fixing handle, a movable handle, a locking block and a rope hanging hook, wherein a clamping groove with a concave-shaped cross section is formed in the fixing block; when the locking block is not pulled downwards by external force or a hanging rope hook, the locking block extends 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 tower without the limitation of whether the guide rail is installed on the tower, and a worker only needs to carry one set of safety device when patrolling the line, and can directly take the falling protector off after the falling protector is used, so that the falling protector is convenient to maintain and is not easy to block.
However, because the falling protector adopts the concave clamping groove, one end of the falling protector is always in an open state, when the falling protector is subjected to a tensile force deviating to one side, the falling protector is possibly separated from a tower, and the safety of the falling protector is reduced.
Disclosure of Invention
The invention aims to provide a handheld anti-falling self-locking device for iron tower climbing, which can effectively solve the problem of low safety of the conventional handheld anti-falling device.
In order to solve the technical problems, the invention is realized by the following technical scheme: a handheld anti-falling self-locking device for climbing iron towers comprises a fixed block, a fixed handle, a movable handle, a locking block and a hanging rope hook, wherein a clamping groove for clamping angle steel of the iron towers is formed in the fixed block, the fixed handle is fixed on the fixed block, the locking block is connected to the fixed block in a rotating mode, the movable handle drives the locking block to rotate, the hanging rope hook is fixed on the locking block, the fixed block comprises a front plate, a rear plate and side plates, a through groove for enabling a locking block part to extend into the clamping groove is formed in the front plate, the front plate and the rear plate are respectively fixedly connected with the side plates to form the clamping groove with a concave cross section, a first movable plate and a second 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 arranged in the clamping groove and is arranged opposite to the side plates, and a pushing strip for pushing the second movable plate to move towards the direction is arranged on one side, which is close to the opening of the first movable plate;
the locking block comprises a locking position and an unlocking position, when in the locking position, the locking block at least partially extends into the clamping groove, the first movable plate is pushed to be matched with the rear plate to clamp the angle steel from the front and rear directions, and meanwhile, the first movable plate pushes the second movable plate to be matched with the side plate to clamp the angle steel from the left and right directions;
the fixed handle is an arc-shaped handle, and the direction of the circle center of the arc is back to the movable handle.
Preferably, a first sliding groove is formed in the front plate, a second sliding groove is formed in the rear plate, and a first sliding rod matched with the first sliding groove and the second sliding groove is arranged on the second movable plate. 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 matching of the sliding rod and the sliding groove, and meanwhile, the balance of the second movable plate in the movement process is kept.
Preferably, the front plate is provided with two first sliding grooves which 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 improving the balance of the second sliding plate when sliding and preventing the second sliding plate from turning over during sliding.
Preferably, the pushing strip is provided with an inclined plane abutting against the second movable plate, and the inclined plane is gradually far away from the center of the first movable plate from the front to the back. In the process that the first movable plate moves towards the rear plate, the inclined surface can be used for pushing the second movable plate to stably move towards the side plate, and the operation 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 is matched with the sliding hole to slide. Through the cooperation of slide opening and second slide bar, restrict the movement track of first fly leaf, also make things convenient for simultaneously when installing the self-locking ware on the angle steel first fly leaf can not drop.
Preferably, the locking block is a cylinder with an oval circular 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. Can ensure that the latch segment is line contact with the tower material, increase the contact surface, the rotation direction is perpendicular with chucking application of force direction simultaneously, more does benefit to personnel's operation.
Preferably, 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. The locking block is rotatably supported through the supporting block, so that the locking block is convenient to arrange.
Preferably, the rotating shaft is further sleeved with a torsion spring, one end of the torsion spring is fixedly connected with one of the supporting blocks, and the other end of the torsion spring is fixedly connected with the locking block. The locking block can be ensured to return to the locking position by utilizing the torsion spring when the external force is removed, and accidents are prevented.
Preferably, the rope hook is positioned below the movable handle. When the safety rope is hung in the rope hook, the operation of the movable handle is not influenced.
Compared with the prior art, the invention has the advantages that: the opening of the clamping groove is sealed by arranging the second movable plate at the opening of the clamping groove, so that the problem that potential safety hazards exist in an opening at one end of the conventional falling protector is solved. When the condition that takes place to fall or not receive external force, the latch segment will promote the first fly leaf and the cooperation of back plate is tight with the angle steel clamp of iron tower, provide sufficient frictional force and prevent to fall, and when first fly leaf removed to locking position from the unblock position, promote the second fly leaf simultaneously and remove to the curb plate direction, thereby make second fly leaf and curb plate mutually support and press from both sides the side of angle steel tightly, formed the clamp of auto-lock ware to four directions of angle steel, and can effectively avoid the fixed block slippage from the angle steel, the security that has improved the auto-lock ware greatly. In addition, due to the adoption of the arc-shaped fixed handle, the holding feeling can be effectively improved when a user holds the electric toothbrush, and the electric toothbrush is not easy to slip.
Drawings
FIG. 1 is a front view of a handheld anti-falling self-locking device for climbing iron towers;
FIG. 2 is a right side view of the anti-falling self-locking device for climbing of a handheld iron tower of the invention;
FIG. 3 is a top view of the anti-falling self-locking device for climbing of a handheld iron tower of the invention;
FIG. 4 isbase:Sub>A cross-sectional view A-A of FIG. 3;
fig. 5 is a partially enlarged view of fig. 3 at B.
Reference numerals:
the device comprises a fixing block 1, a clamping groove 11, a front plate 12, a rear plate 13, a side plate 14, a through groove 15, a first sliding groove 16, a second sliding groove 17 and a sliding hole 18;
a fixed handle 2;
a movable handle 3;
a locking block 4, a rotating shaft 41 and a torsion spring 42;
a rope hook 5;
the first movable plate 6, the pushing bar 61, the second sliding bar 62 and the inclined plane 63;
the second flap 7, the first slide bar 71;
and a support block 8.
Detailed Description
A handheld anti-falling self-locking device for climbing iron towers comprises a fixed block, a fixed handle, a movable handle, a locking block and a hanging rope hook, wherein a clamping groove for clamping angle steel of the iron towers is formed in the fixed block, the fixed handle is fixed on the fixed block, the locking block is connected to the fixed block in a rotating mode, the movable handle drives the locking block to rotate, the hanging rope hook is fixed on the locking block, the fixed block comprises a front plate, a rear plate and side plates, a through groove for enabling a locking block part to extend into the clamping groove is formed in the front plate, the front plate and the rear plate are respectively fixedly connected with the side plates to form the clamping groove with a concave cross section, a first movable plate and a second 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 arranged in the clamping groove and is arranged opposite to the side plates, and a pushing strip for pushing the second movable plate to move towards the direction is arranged on one side, which is close to the opening of the first movable plate; the locking block comprises a locking position and an unlocking position, when the locking position is adopted, at least part of the locking block extends into the clamping groove, the first movable plate and the rear plate are matched to clamp the angle steel from the front and rear directions, and meanwhile, the first movable plate pushes the second movable plate to enable the second movable plate and the side plates to be matched to clamp the angle steel from the left and right directions. The fixed handle is an arc-shaped handle, and the direction of the circle center of the arc is back to the movable handle. The opening of the clamping groove is sealed by arranging the second movable plate at the opening of the clamping groove, so that the problem that potential safety hazards exist in an opening at one end of the conventional falling protector is solved. When the condition that takes place to fall or not receive external force, the latch segment will promote first fly leaf and backplate cooperation and press from both sides the angle steel of iron tower tightly, provide sufficient frictional force and prevent to fall, and when first fly leaf removed to the locking position from the unblock position, promote the second fly leaf to remove to the curb plate direction simultaneously, thereby make second fly leaf and curb plate mutually support and press from both sides the side of angle steel tightly, formed the clamp of four directions of angle steel from the locker, and can effectively avoid the fixed block slippage from the angle steel, the security of self-locking ware has been improved 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 with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the 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", etc. indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for 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 should not be considered 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 implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1 to 5, the embodiment of the invention is a handheld anti-falling self-locking device for climbing iron tower, the self-locking device comprises a fixing block 1, a fixing handle 2, a movable handle 3, a locking block 4 and a hanging rope hook 5, a clamping groove 11 for clamping angle steel of the iron tower is formed on the fixing block 1, the clamping groove 11 is defined by a front plate 12, a side plate 14 and a rear plate 13 on the fixing block 1, the cross section of the clamping groove 11 is concave, and the front plate 12 and the rear plate 13 are respectively fixedly connected with two opposite side edges of the side plate 14. The fixed handle 2 is fixed on the upper portion of a front plate 12 of the fixed block 1, the locking block 4 is rotatably connected to a 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 allowing 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 rear plate 13, meanwhile, a second movable plate 7 for sealing 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 opposite to the side plate 14, and a pushing strip 61 for pushing the second movable plate 7 to move towards the side plate 14 is arranged on one side, close to the opening of the clamping groove 11, of the first movable plate 6.
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 hook 5, the locking block 4 is driven to rotate, the first movable plate 6 is pushed towards the rear plate 13, the first movable plate 6 and the rear plate 13 are matched to clamp the angle steel from the front and rear directions, 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 and right directions, force application in four directions of the angle 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 fixing block 1 and the angle steel are not easy to separate, and the safety of the self-locking device is further improved. And for the angle steel of iron towers with different widths, the angle steel can be realized by replacing the first movable plate 6 and the second movable plate 7 with different sizes. When personnel need upwards scramble, through holding fixed handle 2 and activity handle 3 tightly, drive locking piece 4 not hard up to relieve the extrusion of first fly leaf 6 and second fly leaf 7 to the angle steel, make all have not hard up space around all four directions, the climbing personnel of being convenient for remove from the locker along angle steel length direction, convenient operation is swift.
In order to ensure that the second movable plate 7 cannot be separated from the fixed block 1 when the second movable plate 7 is not applied with a force by the pushing bar 61 on the first movable plate 6, a first sliding slot 16 is formed in one side of the front plate 12 away from the side plate 14, a second sliding slot 17 is formed in one side of the rear plate 13 away from the side plate 14, first sliding rods 71 are respectively arranged on the second movable plate 7 corresponding to the first sliding slot 16 and the second sliding slot 17, the first sliding rods 71 ensure that the second movable plate 7 cannot be separated from the fixed block 1 in the vertical direction, and the second movable block can slide in the left-right direction when the second movable block is applied with the pushing bar 61.
Furthermore, two first sliding grooves 16 are formed in the front plate 12 and located above and below the pushing bar 61, respectively, 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 do not necessarily need to be 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 the four first sliding rods 71 are arranged on the second movable plate 7, so that when the second movable plate 7 is stressed to slide along the left-right direction, the problem of overturning and locking is not easy to occur, and the second movable plate 7 can freely slide in the clamping groove 11.
Since the second flap 7 is pushed to move toward the side plate 14 in the opposite direction when the first flap 6 moves toward the rear plate 13, the pushing bar 61 is provided with an inclined surface 63 abutting against the second flap 7, and the inclined surface 63 gradually moves away from the center of the first flap 6 from the front to the rear, that is, when the first flap 6 moves toward the rear plate 13, the second flap 7 also linearly moves toward the side plate 14, so as to slowly apply a clamping force to the angle iron.
In addition, in order to facilitate the installation of the fixed block 1 on the angle iron, the first movable plate 6 can be in a preset position, two sliding rods are further arranged on the front half, and a second sliding rod 62 in sliding fit with the sliding hole 18 is arranged on the end surface of the first movable plate 6 facing the front half.
As for the locking block 4, generally, the cross section of the locking block is in a cylindrical shape such as a circle, an ellipse or a polygon, preferably, a cylinder with an elliptical cross section is selected, so that when the locking block 4 is in a locking position and an unlocking position, the distance between the locking block 4 and the first movable plate 6, which can push the first movable plate 6 to slide back and forth, can have a large adjustment range, thereby facilitating the operation of personnel; at this time, the oval end face 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 the 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 face of the locking block 4 is ensured to be in line contact with the first movable plate 6.
In order to ensure that the locking block 4 can rotate well when in 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, the 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 rotatably connected with the supporting blocks 8 or the locking block 4, and only the locking block 4 can be ensured to rotate relative to the supporting blocks 8. Certainly, when the locking block 4 is not subjected to external force, in order to make the locking block 4 be located at the locking position, the rotating shaft 41 may be sleeved with a torsion spring 42, one end of the torsion spring 42 is fixedly connected with one of the supporting blocks 8, and the other end of the torsion spring 42 is fixedly connected with the locking block 4, when the locking block 4 is located at the unlocking position, once the external force is removed, the locking block 4 is switched to the locking position by using the elasticity of the torsion spring 42.
The rope hook 5 is preferably arranged below the movable handle 3, so that the distance between the movable handle 3 and the fixed handle 2 can be reduced, the single-hand operation of personnel is facilitated, the locking block 4 needs 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 needs to be located in the locking position when the rope hook 5 is stressed, the movable handle 3 is fixedly connected to the upper half part of the locking block 4, and the rope hook 5 is fixedly connected to the lower half part of the locking block 4. Generally, the hanging 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 is fixedly connected with personnel.
The fixed handle 2 is an arc-shaped handle, and the bottom end of the fixed handle is fixed on the fixed block 1; the movable handle 3 is also an arc-shaped 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 are upward, and when the locking block 4 is operated to be switched to an unlocking position, an operator can obtain better hand feeling of holding.
During assembly, according to the width and thickness of the angle steel, a first movable plate 6 and a second movable plate 7 with proper sizes are selected, a second sliding rod 62 on the first movable plate 6 is inserted into a corresponding sliding hole 18 on a front plate 12, then the fixed block 1 is clamped into the angle steel, finally a first sliding rod 71, close to the front plate 12, of the second movable plate 7 is inserted into a first sliding groove 16 of the front plate 12 first so as to avoid a pushing strip 61, one side of the first movable plate 6 can be inserted into a clamping groove 11 between the pushing strip 61 and a side plate 14, then a first sliding rod 71, close to a rear plate 13, of the second movable plate 7 is inserted into a second sliding groove 17, assembly of a self-locking device and the angle steel is completed, then a safety rope penetrates into a hanging rope 5, and the safety rope is tied with a climber.
In the process of going up and down the tower, firstly, the fixed handle 2 and the movable handle 3 of the falling protector are held by one hand, the distance between the fixed handle 2 and the movable handle 3 is held to be the minimum, at the moment, the locking block 4 is switched to an unlocking position, the distance between the locking block 4 and the corresponding side wall of the clamping groove 11 is the maximum, the first movable plate 6 and the rear plate 13 do not generate front and rear clamping forces on angle steel, the second movable plate 7 and the side plate 14 do not generate left and right clamping forces on angle steel, an operator looses 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 the angle steel from the front and rear directions, the second movable plate 7 and the side plate 14 clamp the angle steel from the left and right directions, if the operator falls due to shortage, the tower is clamped at the locking position by the locking block 4 under the action of downward force of the self-locking device which is connected with the operator through the safety rope, the locking block 4 is clamped at the locking position, the tower, and the tower is clamped, and the accident caused by the falling of the operator is prevented. The operation personnel block the tower material through two safety hooks in turn in proper order and move on the shaft tower to protect operation personnel's safety, avoided the emergence of incident, and this device uses in pairs, guarantees operation personnel's safety.
The above description is only an embodiment of the present invention, but the technical features of the present invention are not limited thereto, and any changes or modifications within the technical field of the present invention by those skilled in the art are covered by the claims of the present invention.
Claims (9)
1. The utility model provides a hand-held type iron tower climbing prevents weighing down from auto-lock ware, includes that fixed block, fixed handle, activity 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, fixed handle fixes on the fixed block, it is connected with to rotate on the fixed block the latch segment, the drive of activity handle the latch segment rotates, it fixes to hang the rope on the latch segment, its characterized in that: the fixed block comprises a front plate, a rear plate and a side plate, wherein a through groove for enabling a 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 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 mode along the front-rear direction, the locking block pushes the first movable plate to move towards 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 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, when in the locking position, the locking block at least partially extends into the clamping groove, the first movable plate is pushed to be matched with the rear plate to clamp the angle steel from the front and back directions, and meanwhile, the first movable plate pushes the second movable plate to be matched with the side plate to clamp the angle steel from the left and right directions;
the fixed handle is an arc-shaped handle, and the direction of the circle center of the arc is back to the movable handle.
2. The hand-held anti-falling self-locking device for iron tower climbing, according to claim 1, is characterized in that: 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 matched with the first sliding groove and the second sliding groove respectively.
3. The hand-held type iron tower climbing anti-falling self-locking device of claim 2, characterized in that: the front plate is provided with two first sliding grooves which 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.
4. The hand-held anti-falling self-locking device for iron tower climbing, according to claim 1, is characterized in that: the pushing strip is provided with an inclined plane which is abutted against the second movable plate, and the inclined plane is gradually far away from the center of the first movable plate from the front to the back.
5. The hand-held anti-falling self-locking device for iron tower climbing, according to claim 1, is characterized in that: the front plate is provided with at least one sliding hole, and the end face, facing the front plate, of the first movable plate is provided with a second sliding rod which is matched with the sliding hole to slide.
6. The hand-held anti-falling self-locking device for iron tower climbing, according to claim 1, is characterized in that: the locking block is a cylinder with an oval circular 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.
7. The hand-held anti-falling self-locking device for iron tower climbing, according to claim 6, is characterized in that: 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.
8. The hand-held anti-falling self-locking device for iron tower climbing, according to claim 7, is characterized in that: the rotating shaft is further sleeved with a torsion spring, one end of the torsion spring is fixedly connected with one of the supporting blocks, and the other end of the torsion spring is fixedly connected with the locking block.
9. The hand-held type iron tower climbing anti-falling self-locking device of claim 6, characterized in that: the hanging rope 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 true CN115228004A (en) | 2022-10-25 |
| CN115228004B CN115228004B (en) | 2023-08-22 |
Family
ID=83675192
Family Applications (1)
| 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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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN101428300A (en) * | 2008-12-10 | 2009-05-13 | 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 |
| 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 |
| CN216803077U (en) * | 2021-03-06 | 2022-06-24 | 上海西美工具进出口有限公司 | Manual F clamp |
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2022
- 2022-07-22 CN CN202210868001.2A patent/CN115228004B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN101428300A (en) * | 2008-12-10 | 2009-05-13 | 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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|---|---|
| CN115228004B (en) | 2023-08-22 |
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