Edge work safety belt lanyard device

Abstract

The application discloses a kind of edge operation safety belt system hanging device, it is related to electric power operation technical field, including, fixed unit, including cover, setting in the cover inside winding shaft, setting in the top plate of winding shaft end, setting in the swing piece of top plate two sides, setting in the limiting block of top plate top two sides, setting in the fixed part of cover surface, and setting in the tension spring of limiting block end portion.The beneficial effects of the application are that the fixed hanging point can be provided for the operating personnel by the setting of the connecting unit, thereby ensuring the safety of the operating personnel;during the weightless descent of the operating personnel, the setting of the fixed unit can fix the expansion and contraction amount of the connecting rope, so that the length of the connecting rope remains unchanged, thereby ensuring the operation safety of the operating personnel.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of power operation, in particular to a safety belt hanging device for edge operation. BACKGROUND

[0002] There are many edge operation and high-altitude operation scenes in power transmission and transformation, power distribution, infrastructure engineering and other production operation sites. However, when working in special scenes such as roof, three-dimensional wall surface, unshielded corridor passage and equipment and facilities with high distance from the ground, the operation personnel cannot find a stable safety belt hanging point.

[0003] Many times, the monitor personnel pull or support the work with a rope. In the case of insufficient personnel, some operation personnel may work without safety measures, which causes the occurrence of A type violation and also buries serious safety hazards, and even may cause high-falling or electric shock accidents. SUMMARY

[0004] In view of the problems in the prior art, the present application is proposed.

[0005] Therefore, the purpose of the present application is to provide a safety belt hanging device for edge operation, which solves the problem of no stable hanging point in the operation process of the existing workers, resulting in safety hazards in the operation process.

[0006] To solve the above technical problems, the present application provides the following technical scheme: a safety belt hanging device for edge operation, comprising a fixing unit, including an outer cover, a winding shaft arranged on the inner side of the outer cover, a top plate arranged at the end of the winding shaft, a swing piece arranged on both sides of the top plate, a limiting block arranged on both sides of the top plate, a fixing piece arranged on the surface of the outer cover, and a tension spring arranged at the end of the limiting block.

[0007] A reset unit, comprising a circular block arranged on the surface of the outer cover, a fixing sleeve arranged on the surface of the circular block, a pressing rod arranged on the inner side of the fixing sleeve, a movable sleeve arranged on the outer side of the fixing sleeve, a connecting block arranged on the inner side of the movable sleeve, and a limiting piece arranged on the inner wall of the circular block.

[0008] As a preferred scheme of the safety belt hanging device for edge operation, the outer cover comprises a support sleeve arranged on the end surface thereof.

[0009] The winding shaft is movably connected with the top plate, and the top plate penetrates through the outer cover and extends to the outer side thereof.

[0010] The swing piece comprises a connecting rod and a ball arranged at the end of the connecting rod.

[0011] The connecting rod comprises a rotating shaft arranged on the side wall thereof, which penetrates the side wall of the winding shaft and extends into the interior thereof.

[0012] As a preferred scheme of the edge operation safety belt tying device, the top plate comprises guide rails arranged on both sides thereof, extrusion blocks arranged on the end faces of the top plate, and cylinders arranged on the opposite end faces of the extrusion blocks.

[0013] The connecting rod further comprises guide columns arranged on both sides of the end portion thereof.

[0014] The guide rails are adapted to the guide columns, and the cylinders penetrate the winding shaft and extend into the interior thereof.

[0015] The swinging of the swinging member can drive the top plate to move along the vertical direction.

[0016] As a preferred scheme of the edge operation safety belt tying device, the number of the limiting blocks is two groups, and the two groups of limiting blocks are connected by the tension spring.

[0017] The limiting blocks comprise connecting plates arranged on the end portions thereof.

[0018] The end portions of the cylinders are in contact with the connecting plates.

[0019] As a preferred scheme of the edge operation safety belt tying device, the circular blocks are movably connected with the support sleeves, and the bottoms of the circular blocks are arranged inside the support sleeves.

[0020] The limiting blocks are arranged inside the circular blocks.

[0021] The fixing sleeves are arranged outside the circular blocks.

[0022] As a preferred scheme of the edge operation safety belt tying device, the fixing sleeves comprise through holes arranged in the interiors thereof.

[0023] The pressing rods comprise fixing rods arranged on the end faces thereof.

[0024] The fixing rods penetrate the fixing sleeves and extend into the interiors of the circular blocks, and the fixing rods are arranged between the two groups of limiting blocks.

[0025] As a preferred scheme of the edge operation safety belt tying device, the movable sleeves comprise first sliding blocks arranged on the inner walls thereof, and rectangular plates arranged on the end portions of the movable sleeves.

[0026] The fixing rods comprise oblique openings arranged in the interiors thereof.

[0027] The connecting block is matched with the bevel, and the connecting block moves along the through direction of the through hole;

[0028] The two ends of the connecting block are in contact with the first sliding block;

[0029] The limiting piece penetrates the circular block and extends to the outside of the circular block, and the end of the limiting piece is in contact with the rectangular plate.

[0030] As a preferred scheme of the edge operation safety belt tying device, the two sides of the end of the extrusion block are in contact with the connecting plate, and the limiting block penetrates the circular block and extends to the outside of the circular block;

[0031] The limiting block is clamped into the inside of the fixing piece, and the end of the limiting block is matched with the fixing piece;

[0032] The side wall of the limiting piece is in contact with the connecting plate.

[0033] As a preferred scheme of the edge operation safety belt tying device, the movement of the pressing rod towards the direction close to the circular block can drive the movement of the movable sleeve in the opposite direction;

[0034] The end of the limiting piece moves upwards to deform, and the side wall of the limiting piece is staggered with the movement track of the connecting plate;

[0035] The bottom of the fixing rod is in contact with the top surface of the extrusion block.

[0036] As a preferred scheme of the edge operation safety belt tying device, the edge operation safety belt tying device further comprises,

[0037] The connecting unit comprises a connecting rope wound outside the winding shaft, and the end of the connecting rope penetrates the outer cover and extends to the outside of the outer cover;

[0038] One end of the connecting rope is connected with a hook, and the other end is provided with a lifting ring;

[0039] The opening of the hook is provided with a safety buckle.

[0040] The edge operation safety belt tying device has the beneficial effects that the connecting unit can provide a fixed hanging point for the operation personnel, so as to ensure the safety of the operation personnel; when the operation personnel falls in weightlessness, the fixed unit can fix the extension amount of the connecting rope, so that the length of the connecting rope remains unchanged, thereby ensuring the operation safety of the operation personnel. BRIEF DESCRIPTION OF DRAWINGS

[0041] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the embodiments description will be briefly introduced as follows. Obviously, the drawings in the following description only constitute some embodiments of the present application, and other drawings can be obtained by those skilled in the art without any creative effort on the basis of these drawings.

[0042] Fig. 1 It is a structural schematic diagram of the present application.

[0043] Fig. 2 It is a partial structural sectional view of the cover of the present application.

[0044] Fig. 3 It is a schematic diagram of the connecting structure of the limiting block and the fixing member of the present application.

[0045] Fig. 4 It is a schematic diagram of the separating structure of the limiting block and the limiting member of the present application.

[0046] Fig. 5 It is a schematic diagram of the connecting structure of the winding shaft and the pressing rod of the present application.

[0047] Fig. 6 It is an exploded structural schematic diagram of the fixing unit of the present application. DETAILED DESCRIPTION

[0048] In order to make the above-mentioned objects, features and advantages of the present application more apparent and comprehensible, the specific embodiments of the present application will be described in detail in the following with reference to the drawings.

[0049] In the following description, a lot of specific details are set forth in order to facilitate a full understanding of the present application, but the present application can also be implemented in other ways different from the description, and those skilled in the art can make similar generalizations without departing from the connotation of the present application, so the present application is not limited by the specific embodiments disclosed below.

[0050] Secondly, the "one embodiment" or "embodiment" referred to herein means that the specific features, structures or characteristics can be included in at least one implementation of the present application. The "in one embodiment" appearing in different places in the specification does not mean the same embodiment, nor is it an embodiment that is independent of or selectively excludes other embodiments.

[0051] Embodiment 1

[0052] Reference Figs. 1-4For the first embodiment of the application, the embodiment provides a safety belt hanging device for edge operation, which comprises a fixing unit 100, a cover 101, a winding shaft 102 arranged inside the cover 101, a top plate 103 arranged at the end of the winding shaft 102, swing members 104 arranged on both sides of the top plate 103, limiting blocks 105 arranged on both sides of the top of the top plate 103, fixing members 106 arranged on the surface of the cover 101, and tension springs 107 arranged at the end of the limiting blocks 105.

[0053] It should be noted that the inside of the cover 101 is a hollow structure, which can facilitate the placement of excess connecting ropes inside the cover 101, thereby ensuring that the connecting ropes can have a longer extension amount; and the winding shaft 102 can be arranged to rotate inside the cover 101; the winding shaft 102 can wind the connecting ropes outside it by rotating; the top plate 103 is matched with the winding shaft 102, and the top plate 103 moves along the inner wall of the winding shaft 102; and the winding shaft 102 can generate a centrifugal force during rotation; the winding shaft 102 can drive the swing members 104 to rotate during rotation; the swing members 104 can drive the top plate 103 to move in the vertical direction during rotation; the limiting blocks 105 are arranged in two groups; the two groups of limiting blocks 105 are arranged opposite to each other, and the elastic return members are connected between the limiting blocks 105, which can facilitate pulling the limiting blocks 105 to embed the end of the limiting blocks 105 into the inside of the circular block 201; when the limiting blocks 105 penetrate the circular block 201 and are clamped into the inside of the fixing member 106, the position of the winding shaft 102 is fixed at this time.

[0054] Further, the return unit 200 comprises a circular block 201 arranged on the surface of the cover 101, a fixing sleeve 202 arranged on the surface of the circular block 201, a pressing rod 203 arranged inside the fixing sleeve 202, a movable sleeve 205 arranged outside the fixing sleeve 202, a connecting block 204 arranged inside the movable sleeve 205, and a limiting member 206 arranged on the inner wall of the circular block 201.

[0055] It should be noted that the inside of the circular block 201 is a hollow structure, and the bottom of the circular block 201 is in contact with the cover 101; and the space inside the circular block 201 provides a certain movement space for the limiting blocks 105 and the top of the winding shaft 102; the fixing sleeve 202 is fixedly welded between the circular block 201; the fixing rod connected to the bottom of the pressing rod 203 penetrates into the inside of the circular block 201; and the connecting block 204, the fixing sleeve 202 and the pressing rod 203 cooperate with each other, thereby driving the movable sleeve 205 to move in the opposite direction; the movable sleeve 205 can drive the end of the limiting member 206 to move during movement; and the limiting member 206 is made of elastic metal material; the limiting member 206 will be deformed and bent during movement of the end of the limiting member 206 driven by the movable sleeve 205.

[0056] When in use, for the steel pipe pole with no ladder, trees and distant fixable objects with large diameter, a fixed hanging point is provided for the operator; the connecting rope is moved under the weightlessness of the operator, the connecting rope rotates along the axis direction of the winding shaft 102, the connecting rope moves fast under the weightlessness, thereby driving the winding shaft 102 to rotate at high speed, the centrifugal force generated by the rotation of the winding shaft 102 can drive the swing piece 104 to rotate, the swing piece 104 drives the top plate 103 to move along the axis direction of the winding shaft 102 during the rotation; the end of the top plate 103 extrudes the limiting block 105 during the movement, so that the two groups of limiting blocks 105 are away from each other, and the limiting block 105 penetrates through the circular block 201 and extends to the outside of the circular block 201, the limiting block 105 is inserted into the inside of the fixing piece 106, so that the position between the limiting block 105 and the fixing piece 106 is fixed; so that the winding shaft 102 cannot rotate, and the connecting rope cannot continue to be stretched; in this state, the operator can be protected to some extent, thereby ensuring the operation safety of the operator.

[0057] In the above state, when the length of the connecting rope needs to be changed, the pressing rod 203 is pushed, the pressing rod 203 moves along the vertical direction to extrude the connecting block 204, and the active sleeve 205 is driven to move towards the pressing rod 203 through the cooperation between the connecting block 204 and the fixed sleeve 202; the active sleeve 205 drives the end of the limiting piece 206 to move during the movement, and the limiting piece 206 deforms after being subjected to the vertical upward force; at this time, the limiting piece 206 does not limit the movement of the limiting block 105, so that the two groups of limiting blocks 105 are close to each other, and the limiting block 105 is separated from the fixing piece 106, and then the winding shaft 102 can be rotated to change the length of the connecting rope.

[0058] In summary, the connecting unit provided by the present application can provide a fixed hanging point for the operator, thereby ensuring the safety of the operator; when the operator falls under the weightlessness, the fixed unit can fix the expansion and contraction amount of the connecting rope, so that the length of the connecting rope remains unchanged, thereby ensuring the operation safety of the operator.

[0059] Example 2

[0060] Reference Figs. 1-6 For the second embodiment of the present application, which is different from the first embodiment, it further includes that the outer cover 101 includes a support sleeve 101a arranged on the end face thereof; the winding shaft 102 is movably connected with the top plate 103, and the top plate 103 penetrates through the outer cover 101 and extends to the outside of the outer cover 101; the swing piece 104 includes a connecting rod 104a and a ball 104b arranged on the end of the connecting rod 104a; the connecting rod 104a includes a rotating shaft 104a-2 arranged on the side wall thereof, and the rotating shaft 104a-2 penetrates through the side wall of the winding shaft 102 and extends to the inside of the winding shaft 102.

[0061] It should be noted that the surface of the cover 101 is connected with the support sleeve 101a, and the winding shaft 102 can rotate along the central axis of the cover 101; the connecting rod 104a is L-shaped, the rotating shaft 104a-2 is located at the inflection point of the connecting rod 104a, and the connecting rod 104a rotates along the axis of the rotating shaft 104a-2; the winding shaft 102 drives the swing piece 104 to rotate during rotation; the ball 104b is located on the side wall away from the winding shaft 102 under the action of centrifugal force.

[0062] Further, the top plate 103 includes guide rails 103a arranged on both sides thereof, extrusion blocks 103b arranged on the end faces of the top plate 103, and cylinders 103c arranged on the opposite end faces of the extrusion blocks 103b; the connecting rod 104a further includes guide columns 104a-1 arranged on both sides of the end portion; the guide rails 103a are matched with the guide columns 104a-1, and the cylinders 103c penetrate through the winding shaft 102 and extend into the interior thereof; the swing of the swing piece 104 can drive the top plate 103 to move in the vertical direction.

[0063] It should be noted that during the rotation of the swing piece 104, the connecting rod 104a rotates along the axis of the rotating shaft 104a-2, the guide column 104a-1 moves in the guide rail 103a along with the turning of the connecting rod 104a, and the guide column 104a-1 drives the top plate 103 to move along the axis of the winding shaft 102 during the movement of the guide column 104a-1; the end portion of the top plate 103 penetrates into the inside of the circular block 201 along with the rotation of the winding shaft 102.

[0064] Further, the number of the limiting blocks 105 is two groups, and the two groups of limiting blocks 105 are connected by the tension spring 107; the limiting block 105 includes a connecting plate 105a arranged on the end portion thereof; the end portion of the cylinder 103c is in contact with the connecting plate 105a.

[0065] It should be noted that the two groups of limiting blocks 105 are oppositely arranged along the axis, and the end portion of the limiting block 105 penetrates through the circular block 201 and extends to the outside thereof, and the end portion of the connecting plate 105a is provided with a fixing column; and the two ends of the tension spring 107 are hung outside the fixing column; and the number of the tension spring 107 is two groups, and the two groups of tension springs 107 are symmetrically arranged at the end portion of the limiting block 105; under normal circumstances, the two groups of limiting blocks 105 are submerged into the inside of the circular block 201 under the action of the tension of the tension spring 107, and the tension spring 107 and the limiting block 105 cooperatively form a rectangular structure, which can provide a movement space for the pressing rod 203.

[0066] Further, the circular block 201 is movably connected with the support sleeve 101a, and the bottom of the circular block 201 is arranged inside the support sleeve 101a; the limiting block 105 is arranged inside the circular block 201; and the fixing piece 106 is sleeved outside the circular block 201.

[0067] It should be noted that the fixed part 106 is welded and fixed between the support sleeve 101a, and the fixed part 106 is a ring-shaped internal gear structure; the fixed part 106 is sleeved outside the circular block 201, the limiting block 105 is penetrated through the circular block 201 and extended to the outside thereof, the limiting block 105 is matched with the tooth gap opened in the inside of the fixed part 106; after the limiting block 105 is clamped into the inside thereof, the rotation of the circular block 201 can be limited; and the top plate 103 is penetrated through the circular block 201 and extended to the inside thereof, the top plate 103 moves along the vertical direction; the rotation of the circular block 201 can drive the rotation of the top plate 103.

[0068] Further, the fixed sleeve 202 comprises a through hole 202a opened in the inside thereof; the pressing rod 203 comprises a fixed rod 203a arranged at the end face thereof; the fixed rod 203a is penetrated through the fixed sleeve 202 and extended to the inside of the circular block 201, and the fixed rod 203a is arranged between the two groups of limiting blocks 105.

[0069] It should be noted that the fixed rod 203a is a rod-shaped structure, and the fixed rod 203a can be penetrated through the fixed sleeve 202 and extended to the inside of the circular block 201; the end of the fixed rod 203a is located between the two limiting blocks 105, and the end of the limiting block 105 is oppositely arranged to provide a certain space for the fixed rod 203a, so as to ensure that the fixed rod 203a has a certain moving space.

[0070] Further, the movable sleeve 205 comprises a first sliding block 205a arranged at the inner wall thereof, and a rectangular plate 205b arranged at the end of the movable sleeve 205; the fixed rod 203a comprises an inclined opening 203a-1 opened in the inside thereof; the connecting block 204 is matched with the inclined opening 203a-1, and the connecting block 204 moves along the penetrating direction of the through hole 202a; the two ends of the connecting block 204 are in contact with the first sliding block 205a; the limiting part 206 is penetrated through the circular block 201 and extended to the outside thereof, and the end of the limiting part 206 is in contact with the rectangular plate 205b.

[0071] Preferably, the connecting block 204 is in a Z-shaped structure, the end of the connecting block 204 is an inclined surface at A, the middle of the connecting block 204 is an inclined surface at B, and the horizontal surface C is located on the side wall of the connecting block 204; the inclined surface at A is in contact with the first sliding block 205a, and the inclined surface at B is in contact with the inner wall of the inclined opening 203a-1; and the horizontal surface C is flush with the inner wall of the through hole 202a; so that the connecting block 204 can move along the track inside the through hole 202a; the fixed rod 203a extrudes the connecting block 204 during the movement of the pressing rod 203 in the vertical direction, and then the connecting block 204 moves along the track inside the through hole 202a; the connecting block 204 extrudes the first sliding block 205a during the movement of the first sliding block 205a, so that the movable sleeve 205 moves towards the pressing rod 203; the first sliding block 205a drives the end of the limiting piece 206 to move upwards during the movement of the first sliding block 205a; and the limiting piece 206 is made of elastic metal material, and the rectangular plate 205b can drive the limiting piece 206 to deform during the upward movement of the rectangular plate 205b.

[0072] Further, the ends of the extrusion block 103b contact the connecting plate 105a; the limiting block 105 extends to the outside of the circular block 201; the limiting block 105 is clamped into the inner side of the fixed piece 106, and the end of the limiting block 105 is matched with the fixed piece 106; the side wall of the limiting piece 206 is in contact with the connecting plate 105a.

[0073] It should be noted that the rotation of the winding shaft 102 drives the swinging piece 104 to rotate through the centrifugal rate; the rotation of the swinging piece 104 lifts the top plate 103, so that the top plate 103 moves along the axis direction of the winding shaft 102; the ends of the extrusion block 103b extrude the connecting plate 105a during the movement of the extrusion block 103b; the limiting block 105 extends to the outside of the circular block 201; the moving end of the limiting block 105 can be clamped into the inner side of the fixed piece 106; in this state, the end of the limiting piece 206 is in contact with the surface of the connecting plate 105a; the limiting piece 206 can limit the limiting block 105 by being arranged.

[0074] Further, the movement of the pressing rod 203 towards the circular block 201 can drive the movable sleeve 205 to move in the opposite direction; the end of the limiting piece 206 moves upwards to deform, and the side wall of the limiting piece 206 is staggered with the movement track of the connecting plate 105a; the bottom of the fixed rod 203a is in contact with the top surface of the extrusion block 103b.

[0075] It should be noted that the pressing rod 203 moves towards the direction of the circular block 201, which can drive the movable sleeve 205 to move away from the circular block 201; the movable sleeve 205 drives the first sliding block 205a to move during the movement, and the first sliding block 205a is in contact with the end surface of the limiting piece 206; the limiting piece 206 can be deformed during the movement of the movable sleeve 205, so that the end surface of the limiting piece 206 is staggered with the position of the connecting plate 105a; at this time, under the rebounding force of the tension spring 107, the two groups of limiting blocks 105 can be pulled close to each other; so that the end of the limiting block 105 is immersed into the inside of the circular block 201, and then the limiting of the circular block 201 can be released.

[0076] In use, the staff in the state of weightlessness can make the rope rotate around the axis of the winding shaft 102 quickly, and the winding shaft 102 generates centrifugal force during high-speed rotation, and the centrifugal force generated by the rotation of the winding shaft 102 can drive the swing piece 104 to rotate; the top plate 103 can be moved along the axis direction with the rotation of the swing piece 104, and the end of the extrusion block 103b can extrude the side wall of the connecting plate 105a during the movement, and the end of the limiting block 105 can extend to the outside of the circular block 201 after being pressed; the end of the connecting plate 105a constantly extrudes the limiting piece 206 during the movement, and the limiting piece 206 is deformed after being pressed; when the end of the limiting block 105 is clamped into the inside of the fixed piece 106, the end of the limiting piece 206 is in contact with the surface of the connecting plate 105a; so that the limiting piece 206 arranged can limit the connecting plate 105a; at this time, the circular block 201 is fixed relative to the fixed piece 106, and the fixed piece 106 is fixedly connected with the outer cover 101, so as to ensure the position between the circular block 201 and the outer cover 101 fixed, so that the rope wound outside the winding shaft 102 cannot rotate; the length of the rope can be kept unchanged, so as to ensure that the device protects the staff;

[0077] When it is needed to wind the rope, the pressing rod 203 is pushed, and the pressing rod 203 approaches the direction of the circular block 201; the inner wall of the oblique opening 203a-1 extrudes the connecting block 204, the connecting block 204 moves along the track of the through hole 202a by the limiting of the through hole 202a; the movable sleeve 205 is driven to move away from the direction of the circular block 201 along with the movement of the connecting block 204; then the first sliding block 205a drives the limiting piece 206 to move, so that the limiting piece 206 is deformed; so that the position of the limiting piece 206 is staggered with the position of the connecting plate 105a; under the elastic force of the tension spring 107, the two groups of limiting blocks 105 are driven to approach each other; so that the end part of the limiting block 105 can sink into the inside of the circular block 201; during the movement of the pressing rod 203 in the direction of the circular block 201, the end part of the fixed rod 203a continuously contacts and extrudes the end part of the extrusion block 103b; so that the extrusion block 103b is reset; so that the swing piece 104 can recover to the state of being close to the side wall of the winding shaft 102; then, at this time, rotating the circular block 201 can drive the winding shaft 102 to rotate, and the rope can be wound outside the winding shaft 102.

[0078] In summary, the pressing rod 203 can drive the movable sleeve 205 to move in the opposite direction, the movable sleeve 205 can drive the limiting piece 206 to deform during the movement, so that the position of the limiting piece 206 is staggered with the position of the connecting plate 105a; so that the fixing of the extension length of the rope can be conveniently released; at the same time, the top plate 103 can be pushed to move, so that the top plate 103 drives the swing piece 104 to reset; so that the length of the rope can be better fixed next time.

[0079] Embodiment 3

[0080] Reference Figs. 1-6 The third embodiment of the application is different from the first two embodiments in that it comprises a connecting unit 300, which comprises a connecting rope 301 wound outside the winding shaft 102, the end of the connecting rope 301 penetrates the outer cover 101 and extends to the outside thereof; the connecting rope 301 is connected with a hook 302 at one end and provided with a lifting ring 304 at the other end; the opening of the hook 302 is provided with a safety buckle 303.

[0081] It should be noted that the safety buckle 303 can close the opening position of the hook 302; the connecting rope 301 and the hook 302 are fixedly connected, the lifting ring 304 and the connecting rope 301 are fixedly connected, and the lifting ring 304 and the safety belt are connected through the existing D-shaped buckle, so that the safety rope can provide a certain safety guarantee for the workers.

[0082] In use, when the worker encounters a columnar structure with a large diameter during work, the hook 302 is wound around the object for one turn, and then the opening position of the hook 302 is buckled outside the connecting rope 301; the hook 302 is blocked by the safety buckle 303 at the opening position, so that a stable hanging point around the columnar object can be formed; when the worker is in a weightless state, the extension amount of the connecting rope 301 can be fixed according to the steps in Embodiment 2; after the worker is in a weightless state, the rope is pulled tight; so that a pulling force on the worker can be formed, to ensure the safety of the worker to a certain extent.

[0083] It is important that the above embodiments are only used to illustrate the technical solutions of the present application but not limit the present application. Although the present application is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present application can be modified or replaced equivalently without departing from the spirit and scope of the technical solutions of the present application, and all should be covered in the scope of the claims of the present application.

Claims

1. An edge work safety belt lanyard device, characterized by: The utility model relates to a kind of automatic reset type roll-up device, including, Fixed unit (100), including cover (101), winding shaft (102) being arranged in the inside of the cover (101), top plate (103) being arranged in the end of the winding shaft (102), swing piece (104) being arranged in the both sides of the top plate (103), limiting block (105) being arranged in the both sides of the top plate (103) top, fixed piece (106) being arranged in the surface of the cover (101), and pull spring (107) being arranged in the end of the limiting block (105); Reset unit (200), including circular block (201) being arranged in the surface of the cover (101), fixed sleeve (202) being arranged in the surface of the circular block (201), pressing rod (203) being arranged in the inside of the fixed sleeve (202), movable sleeve (205) being arranged in the outside of the fixed sleeve (202), connecting block (204) being arranged in the inside of the movable sleeve (205), and limiting piece (206) being arranged in the inner wall of the circular block (201); The top plate (103) includes guide rail (103a) arranged on both sides thereof, extrusion block (103b) arranged on the end face of the top plate (103), and cylinder arranged on the opposite end faces of the extrusion block (103b); The swing piece (104) can drive the top plate (103) to move in the vertical direction; The limiting block (105) includes connecting plate (105a) arranged on the end thereof; The end of the cylinder is in contact with the connecting plate (105a); The fixed sleeve (202) includes through hole (202a) formed in the inside thereof; The pressing rod (203) includes fixed rod (203a) arranged on the end face thereof; The fixed rod (203a) penetrates through the fixed sleeve (202) and extends to the inside of the circular block (201), and the fixed rod (203a) is arranged between the two groups of limiting blocks (105); The movable sleeve (205) includes first sliding block (205a) arranged on the inner wall thereof, and rectangular plate (205b) arranged on the end of the movable sleeve (205); The fixed rod (203a) includes inclined opening (203a-1) formed in the inside thereof; The connecting block (204) is matched with the inclined opening (203a-1), and the connecting block (204) moves along the through direction of the through hole (202a); The two ends of the connecting block (204) are in contact with the first sliding block (205a); The limiting piece (206) penetrates through the circular block (201) and extends to the outside thereof, and the end of the limiting piece (206) is in contact with the rectangular plate (205b); The end of the extrusion block (103b) is in contact with the connecting plate (105a); and the limiting block (105) penetrates through the circular block (201) and extends to the outside thereof. ​ The limiting block (105) is clamped into the inner side of the fixing part (106), and the end of the limiting block (105) is matched with the fixing part (106); The side wall of the limiting part (206) is in contact with the connecting plate (105a); The movement of the pressing rod (203) towards the direction of the circular block (201) can drive the movement of the movable sleeve (205) in the opposite direction; The side wall of the limiting part (206) is moved upward to deform, and the movement trajectory of the limiting part (206) is staggered with the connecting plate (105a); The bottom of the fixed rod (203a) is in contact with the top surface of the extrusion block (103b).

2. The safety belt fastening device for edge operation according to claim 1, characterized in that: The cover (101) comprises a supporting sleeve (101a) arranged on the end surface thereof; The winding shaft (102) is movably connected with the top plate (103), and the top plate (103) penetrates through the cover (101) and extends to the outside thereof; The swing part (104) comprises a connecting rod (104a) and a ball (104b) arranged on the end of the connecting rod (104a); The connecting rod (104a) comprises a rotating shaft (104a-2) arranged on the side wall thereof, and the rotating shaft (104a-2) penetrates through the side wall of the winding shaft (102) and extends to the inside thereof.

3. The safety belt fastening device for edge operation according to claim 2, characterized in that: The connecting rod (104a) further comprises guide columns (104a-1) arranged on both sides of the end thereof; The guide rail (103a) is matched with the guide columns (104a-1), and the cylinder penetrates through the winding shaft (102) and extends to the inside thereof.

4. The safety belt fastening device for edge operation according to claim 3, characterized in that: The circular block (201) is movably connected with the supporting sleeve (101a), and the bottom of the circular block (201) is arranged inside the supporting sleeve (101a); The limiting block (105) is arranged inside the circular block (201); The fixing part (106) is sleeved outside the circular block (201).

5. A safety belt lanyard device for edge work as claimed in any one of claims 1 to 4, wherein: Further comprising, A connecting unit (300) comprising a connecting rope (301) wound outside the winding shaft (102), and the end of the connecting rope (301) penetrates through the cover (101) and extends to the outside thereof; One end of the connecting rope (301) is connected with a hook (302), and the other end is provided with a lifting ring (304); The opening of the hook (302) is provided with a safety buckle (303).

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