High-altitude operation protection device

Abstract

The utility model discloses a high-altitude operation protection device, and relates to the technical field of constructional engineering. A seat plate is arranged below the middle of the bearing belt, pull rings are movably mounted at the two ends of the bearing belt respectively, limiting rings are oppositely and fixedly mounted in the bearing belt, a safety bandage is movably mounted in the two limiting rings, a plurality of sets of fixing holes are formed in one side of the safety bandage, and a lock catch box is fixedly mounted at one end of the safety bandage. A locking assembly used for locking a safety bandage is arranged in the lock catch box, a plurality of sets of fixing holes are used in cooperation with the locking assembly, a bearing belt is arranged to bear the total weight of an operator and dynamic loads generated by various actions in the high-altitude operation process, and the fixing holes are matched with trapezoidal fixing bolts in the locking assembly so that the safety bandage can be locked. The function of adjusting the tightness of the safety bandage in a personalized mode is provided for operators, the locking assemblies are matched with the fixing holes, the safety bandage is firmly locked, and the safety bandage is prevented from being accidentally loosened in the high-altitude operation process.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of building engineering, specifically relates to a high altitude operation protection device. BACKGROUND

[0002] In the glass curtain wall high altitude cleaning operation, the operating personnel need to rely on the suspension system to move on the vertical facade, and the falling risk faced by the operating personnel needs to be protected by a systematic protection system with the seat plate type single man sling as the core. The sling is connected with the high-strength fiber rope through the load-bearing seat plate designed by ergonomics, anchors the operator to the building structure or the independent suspension support, disperses the body load through the waist and leg multi-point force safety belt, and is equipped with a speed difference anti-falling device and other active safety devices to ensure that the personnel can move flexibly and avoid accidental slipping when cleaning the glass.

[0003] In the prior art, the safety belt in the traditional seat plate type single man sling is tightened and fixed through a common tightening buckle. The common tightening buckle adopts a passive friction locking principle. When the operating personnel clean the curtain wall in the high altitude dynamic operation environment, the sling system continuously bears the compound dynamic load caused by wind disturbance, equipment mechanical vibration and human multi-directional displacement. Under the action of such complex stress, the friction between the metal fastener and the safety belt is easily weakened by the dynamic external force, which causes the locking mechanism to gradually displace and loosen, and can cause functional failure of the locking mechanism, which has serious safety hazards. UTILITY MODEL CONTENTS

[0004] To solve the above problems, the utility model provides a high altitude operation protection device, which has the advantages of being able to lock the safety belt more firmly, to solve the problem that the common tightening buckle causes the locking mechanism to gradually displace and loosen, causing functional failure of the locking mechanism under the action of complex stress.

[0005] The utility model discloses in order to realize the above-mentioned purpose specifically adopts the following technical scheme: a high altitude operation protection device, including the load belt, the middle part below of load belt is provided with the seat plate, both ends of load belt all are sheathed and are provided with the pull ring, the opposite surface fixed mounting of load belt inside is provided with the limit ring, the inside of two limit rings is inserted and is provided with the safety belt, the surface of safety belt is equipped with several groups of parallel fixed hole, one end of safety belt is fixedly installed with the lock catch box, one side of lock catch box is provided with hand wheel, the inside of lock catch box is provided with the locking assembly for locking safety belt, several groups of fixed hole and locking assembly cooperate and use.

[0006] As a preferred technical scheme of the utility model, the locking assembly comprises a rectangular jack, the rectangular jack is arranged on one side of the lock box, two rectangular grooves are formed in one side of the interior of the rectangular jack, two movable holes are formed in the other side of the interior of the rectangular jack, a rectangular movable groove is formed in one side of the interior of the two movable holes, a bearing is fixedly installed in the interior of the round hole on one side of the lock box, and the rectangular movable groove is communicated with the round hole.

[0007] As a preferred technical scheme of the utility model, the locking assembly further comprises a push plate, the push plate is movably installed in the interior of the rectangular movable groove, a plurality of springs are fixedly installed on one side of the push plate, the other ends of the springs are fixedly installed on one side of the interior of the rectangular movable groove, two trapezoidal fixed bolts are fixedly installed on one side of the push plate close to the movable hole, the two trapezoidal fixed bolts are movably sleeved in the interiors of the two movable holes, and a threaded hole is formed in the center position of one side of the push plate.

[0008] As a preferred technical scheme of the utility model, a sleeve is fixedly installed on the inner side wall of the bearing inner ring, two limiting holes are formed in the outer side of the sleeve, and one end of the sleeve is fixedly installed on one side of the hand wheel.

[0009] As a preferred technical scheme of the utility model, a screw rod is movably installed in the interior of the sleeve, the screw rod is in threaded connection with the threaded hole, two limiting blocks are fixedly installed on the outer side of the screw rod, and the limiting blocks are used in cooperation with the limiting holes.

[0010] As a preferred technical scheme of the utility model, a anti-dropping belt is fixedly installed on one side of the seat plate, and a connecting sleeve ring is fixedly installed on one end of the anti-dropping belt.

[0011] The utility model discloses the beneficial effects are as follows:

[0012] The utility model discloses a safe belt is inserted into the rectangular jack through the connecting sleeve ring first, and then is locked, and the safe belt can be automatically extruded trapezoidal fixed bolt in the moving process, makes the push plate compression spring, when the fixed hole is aligned with the trapezoidal fixed bolt, can easily complete locking, does not need complicated operation steps, and when disassembling, manually rotates the hand wheel, the sleeve drives the screw rod to rotate, and the screw rod pulls the push plate and makes the trapezoidal fixed bolt separate from the fixed hole, so that the safe belt can be directly pulled out.

[0013] The safe belt is locked after passing through the connecting sleeve ring, further strengthens the connection of operating personnel and the protective device, reduces the risk of accidental falling, and the trapezoidal fixed bolt is tightly matched with the fixed hole, and can stably lock the safe belt under the action of the spring, prevents the safe belt from loosening in the operation process, even if is influenced by vibration, shaking and the like in the high-altitude operation environment, the locking assembly can also keep the reliable locking state, provides the solid security guarantee for operating personnel. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 is a schematic view of the structure of the high-altitude operation protection device of the present application;

[0015] Figure 2 is a schematic view of the structure of the safety belt of the present application;

[0016] Figure 3 is a schematic view of the cross-sectional structure of the lock box of the present application;

[0017] Figure 4 is a schematic view of the internal structure of the rectangular movable groove of the present application;

[0018] Figure 5 is a schematic view of the structure of the push plate of the present application;

[0019] Figure 6 is a schematic view of the structure of the sleeve of the present application.

[0020] Reference signs: 1, load-bearing belt; 2, pull ring; 3, limiting ring; 4, safety belt; 5, fixing hole; 6, anti-coming-off belt; 7, connecting sleeve ring; 8, lock box; 9, hand wheel; 10, rectangular jack; 11, rectangular groove; 12, movable hole; 13, rectangular movable groove; 14, bearing; 15, push plate; 16, spring; 17, trapezoidal fixed bolt; 18, threaded hole; 19, sleeve; 20, limiting hole; 21, limiting block; 22, screw rod. DETAILED DESCRIPTION

[0021] The present application will be further described below in conjunction with specific embodiments, however, people skilled in the art should understand that the detailed description given in conjunction with the drawings is for better explanation, and the structure of the present application must be beyond the limited embodiments, and for some equivalent replacement schemes or common means, the detailed description will not be given in this paper, but still belongs to the protection scope of the present application.

[0022] Figures 1-6 is the best embodiment of the present application, and the following will be described in conjunction with the drawings Figure 1 -Appendix Figure 6 The present application will be further described below in conjunction with specific embodiments, however, people skilled in the art should understand that the detailed description given in conjunction with the drawings is for better explanation, and the structure of the present application must be beyond the limited embodiments, and for some equivalent replacement schemes or common means, the detailed description will not be given in this paper, but still belongs to the protection scope of the present application.

[0023] The utility model provides a kind of aerial work protection device, including load belt 1, the middle part of load belt 1 is provided with seat plate below, both ends of load belt 1 are equipped with pull ring 2, opposite surface of load belt 1 is fixedly installed with limiting ring 3, the inside of two limiting rings 3 is inserted with safety strap 4, the surface of safety strap 4 is equipped with several groups of parallel fixed holes 5, one end of safety strap 4 is fixedly installed with lock catch box 8, one side of lock catch box 8 is provided with hand wheel 9, the inside of lock catch box 8 is provided with locking assembly for locking safety strap 4, several groups of fixed holes 5 are used in cooperation with locking assembly.

[0024] In the embodiment, by setting load belt 1, the whole weight of the worker is borne, the seat plate provides stable riding support platform for the worker, disperses the weight of the worker, reduces the local pressure of load belt 1, pull ring 2 is the key component for connecting the protection device with external lifting equipment or fixed support point, by connecting pull ring 2 with the hook of lifting equipment or the firm anchoring point on the building, the whole protection device can be hung in the aerial work position, limiting ring 3 can avoid safety strap 4 winding or displacement at will, ensure that the use of safety strap 4 is always in controllable state, on the other hand, by limiting the activity range of safety strap 4, the worker can accurately adjust the position and tightness of safety strap 4 according to actual demand, trapezoidal fixed pin 17 in locking assembly cooperates with fixed hole 5, to provide the function of personalized adjusting the tightness of safety strap 4 for the worker, lock catch box 8 is the installation carrier of locking assembly, hand wheel 9 and other key components constituting locking assembly are closely integrated, so that they can work cooperatively, only need to manually rotate hand wheel 9, can easily drive sleeve 19 connected with it to rotate, and then realize the unlocking operation of safety strap 4, locking assembly cooperates with fixed hole 5, to firmly lock safety strap 4, prevent it from accidentally loosening during aerial work.

[0025] Specifically, the locking assembly includes rectangular insertion hole 10, rectangular insertion hole 10 is opened in one side of lock catch box 8, two rectangular grooves 11 are opened in one side of the inside of rectangular insertion hole 10, two movable holes 12 are opened in the other side of the inside of rectangular insertion hole 10, rectangular movable slot 13 is opened in one side of the inside of two movable holes 12, bearing 14 is fixedly installed in the inside of one side round hole of lock catch box 8, rectangular movable slot 13 is communicated with round hole.

[0026] In this embodiment, the rectangular insertion hole 10 is provided as the starting position of the safety belt 4 and the locking assembly. During the insertion process, the safety belt 4 will press the trapezoidal fixed pin 17, triggering the working mechanism of the locking assembly. After the trapezoidal fixed pin 17 passes through the fixed hole 5 of the safety belt 4, it will enter the rectangular slot 11, which limits the lateral movement of the trapezoidal fixed pin 17. The movable hole 12 is located on the other side of the rectangular insertion hole 10, providing a movable track for the trapezoidal fixed pin 17. During the insertion of the safety belt 4, the trapezoidal fixed pin 17 can move in the movable hole 12 to achieve alignment and insertion with the fixed hole 5. When unlocking, the trapezoidal fixed pin 17 can retract through the movable hole 12, allowing the safety belt 4 to be smoothly withdrawn. The rectangular movable slot 13 provides a movable space for the push plate 15. When the safety belt 4 is inserted into the rectangular insertion hole 10 and presses the trapezoidal fixed pin 17, the push plate 15 will move in the rectangular movable slot 13, compressing the spring 16. When the trapezoidal fixed pin 17 is aligned with the fixed hole 5 on the safety belt 4, the spring 16 will release, pushing the push plate 15 to insert the trapezoidal fixed pin 17 into the fixed hole 5. The bearing 14 can fix the sleeve 19, allowing the sleeve 19 to rotate without displacement. The circular hole provides a mounting position for the bearing 14.

[0027] Specifically, the locking assembly further includes a push plate 15 movably installed inside the rectangular movable slot 13. The push plate 15 is fixedly installed with a plurality of springs 16 on one side. The other end of the plurality of springs 16 is fixedly installed with the inside of the rectangular movable slot 13. The push plate 15 is fixedly installed with two trapezoidal fixed pins 17 on the side close to the movable hole 12. The two trapezoidal fixed pins 17 are movably sleeved inside the two movable holes 12. A threaded hole 18 is formed in the center of one side of the push plate 15.

[0028] In this embodiment, the push plate 15 is provided to reciprocate in the rectangular movable slot 13, connecting the spring 16 and the trapezoidal fixed pin 17. The trapezoidal fixed pin 17 is driven to insert or detach from the fixed hole 5 of the safety belt 4 through axial movement, realizing the locking and unlocking actions. The spring 16 stores energy when the safety belt 4 is inserted and releases energy to push the push plate 15 back to its original position after unlocking, ensuring that the trapezoidal fixed pin 17 automatically returns to its original position. During insertion, the trapezoidal fixed pin 17 is automatically aligned with the fixed hole 5 through the inclined surface guide, realizing fast locking. After insertion, the trapezoidal cross section cooperates with the rectangular slot 11 to prevent accidental loosening of the safety belt 4, resist loosening caused by high-altitude vibration, and enhance the locking reliability. The threaded hole 18 converts the rotary motion of the hand wheel 9 into the axial displacement of the push plate 15, realizing the unlocking function.

[0029] Specifically, the inner side wall of the inner ring of the bearing 14 is fixedly installed with a sleeve 19. Two limiting holes 20 are formed on the outer side of the sleeve 19. One end of the sleeve 19 is fixedly installed with the side of the hand wheel 9.

[0030] In this embodiment, a sleeve 19 is provided, which is tightly connected to the handwheel 9 and the bearing 14. When the operator manually rotates the handwheel 9, the sleeve 19 can accurately transmit the rotational motion of the handwheel 9, driving the subsequent screw 22, thereby realizing the unlocking operation of the safety strap 4. The two limiting holes 20 on its outer side cooperate with the limiting block 21 on the outer side of the screw 22 to restrict the movement of the screw 22, so that the screw 22 can only move axially within the sleeve 19. This allows the rotational motion transmitted by the handwheel 9 through the sleeve 19 to be accurately converted into control of the push plate 15 and the trapezoidal fixing pin 17, thereby realizing the reliable unlocking of the safety strap 4.

[0031] Specifically, a screw 22 is movably installed inside the sleeve 19. The screw 22 is threadedly connected to the threaded hole 18. Two limit blocks 21 are fixedly installed on the outside of the screw 22. The limit blocks 21 are used in conjunction with the limit holes 20.

[0032] In this embodiment, by setting the screw 22 to be threadedly connected to the threaded hole 18 on the push plate 15, when the sleeve 19 drives the screw 22 to rotate, the rotational motion is converted into linear motion using the thread transmission principle, pulling the push plate 15 to move back and forth. The outer limiting block 21 makes it only able to move axially within the sleeve 19, avoiding unnecessary rotation of itself, ensuring that the push plate 15 can be accurately driven, and realizing the precise advance and retreat of the trapezoidal fixing pin 17, completing the unlocking of the safety strap 4. The threaded hole 18 is located on the push plate 15 and forms a threaded connection with the screw 22, converting the rotation of the screw 22 into the linear displacement of the push plate 15. The limiting block 21 slides with the limiting hole 20 on the sleeve 19, restricting the movement of the screw 22.

[0033] Specifically, an anti-slip strap 6 is fixedly installed on one side of the seat plate, and a connecting collar 7 is fixedly installed on one end of the anti-slip strap 6.

[0034] In this implementation plan, by setting up the anti-slip strap 6, the user is prevented from accidentally slipping off the seat board, providing additional safety protection for high-altitude workers and reducing the risk of falling due to body swaying or loss of balance. The connecting collar 7 enables the anti-slip strap 6 to be securely connected to the safety strap 4. When the worker wears the protective device, the anti-slip strap 6 is tightly connected to the safety strap 4 through the connecting collar 7, forming an interlocking protective system. The anti-slip strap 6 can still maintain a tight relationship with the overall protective device with the help of the connecting collar 7, preventing the worker from falling from the seat board.

[0035] In use, when the aerial work protection device is used, first, the two end movable mounting pull ring 2 of the load bearing belt 1 is firmly connected to external hoisting equipment or stable safety anchor point, then, the safety belt 4 is pulled to smoothly move in the limiting ring 3 in the load bearing belt 1, the limiting ring 3 plays a guiding and limiting function, can effectively prevent the safety belt 4 from winding or displacement, then, the safety belt 4 is first threaded through the connecting sleeve ring 7 at the end of the seat plate side anti-off belt 6, so that the anti-off belt 6 and the safety belt 4 are preliminarily connected, then, with the safety belt 4 having threaded through the connecting sleeve ring 7, the end with the fixing hole 5 is inserted into the rectangular jack 10 on the lock catch box 8, in the insertion process, the safety belt 4 extrudes the trapezoidal fixed pin 17, the trapezoidal fixed pin 17 moves in the movable hole 12, at the same time, the push plate 15 moves in the rectangular movable slot 13 and compresses the spring 16, when the fixing hole 5 of the safety belt 4 is aligned with the trapezoidal fixed pin 17, the spring 16 releases energy to push the push plate 15, so that the trapezoidal fixed pin 17 is inserted into the fixing hole 5 and enters the rectangular slot 11, thus completing the preliminary locking of the safety belt 4, the worker sits on the seat plate, the load bearing belt 1 bears the weight of the worker and various additional forces generated in the working process, ensures that the worker maintains a stable position in the air, the safety belt 4 is firmly bound to the worker through the locking assembly to prevent falling from the air, and the anti-off belt 6 further reduces the risk of accidental sliding of the worker from the seat plate, after the work is completed, the hand wheel 9 is manually rotated, the hand wheel 9 drives the sleeve 19 connected thereto to rotate, since the screw rod 22 inside the sleeve 19 is screw connected with the threaded hole 18 on the push plate 15, and the limiting block 21 on the outside of the screw rod 22 cooperates with the limiting hole 20 on the outside of the sleeve 19, it is ensured that the screw rod 22 can only move in the axial direction, when the screw rod 22 rotates, the push plate 15 is pulled, so that the trapezoidal fixed pin 17 is sequentially separated from the rectangular slot 11 and the fixing hole 5, at this time, the safety belt 4 is unlocked and can be directly pulled out from the rectangular jack 10.

[0036] The above is only a preferred embodiment of the utility model, and does not limit the utility model in other forms, and any skilled person in the art can change or modify the above disclosed technical content into equivalent embodiments with equivalent changes. However, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the utility model still belongs to the protection scope of the technical scheme of the utility model.

Claims

1. A high-altitude work safety device, characterized in that, The device includes a load-bearing belt (1), a seat plate is provided below the middle part of the load-bearing belt (1), and pull rings (2) are provided at both ends of the load-bearing belt (1). Limiting rings (3) are fixedly installed on the opposite inner surfaces of the load-bearing belt (1). Safety straps (4) are inserted into the two limiting rings (3). Several sets of parallel fixing holes (5) are provided on the surface of the safety straps (4). A locking box (8) is fixedly installed at one end of the safety straps (4). A handwheel (9) is provided on one side of the locking box (8). A locking component for locking the safety straps (4) is provided inside the locking box (8). Several sets of fixing holes (5) are used in conjunction with the locking component.

2. The high-altitude work protection device according to claim 1, characterized in that, The locking assembly includes a rectangular insertion hole (10), which is located on one side of the locking box (8). Two rectangular slots (11) are provided on one side of the interior of the rectangular insertion hole (10), and two movable holes (12) are provided on the other side of the interior of the rectangular insertion hole (10). A rectangular movable slot (13) is provided on one side of the interior of the two movable holes (12). A bearing (14) is fixedly installed inside the round hole on one side of the locking box (8), and the rectangular movable slot (13) is connected to the round hole.

3. A high-altitude work protection device according to claim 2, characterized in that, The locking assembly also includes a push plate (15), which is movably installed inside a rectangular movable groove (13). Several springs (16) are fixedly installed on one side of the push plate (15), and the other end of the several springs (16) is fixedly installed inside one side of the rectangular movable groove (13). Two trapezoidal fixing pins (17) are fixedly installed on the side of the push plate (15) near the movable hole (12). The two trapezoidal fixing pins (17) are respectively movably sleeved inside the two movable holes (12). A threaded hole (18) is opened at the center of one side of the push plate (15).

4. A high-altitude work protection device according to claim 2, characterized in that, A sleeve (19) is fixedly installed on the inner wall of the inner ring of the bearing (14). Two limiting holes (20) are opened on the outer side of the sleeve (19). One end of the sleeve (19) is fixedly installed on one side of the handwheel (9).

5. A high-altitude work protection device according to claim 4, characterized in that, A screw (22) is movably installed inside the sleeve (19). The screw (22) is threadedly connected to the threaded hole (18). Two limiting blocks (21) are fixedly installed on the outside of the screw (22). The limiting blocks (21) are used in conjunction with the limiting hole (20).

6. A high-altitude work protection device according to claim 1, characterized in that, An anti-slip strap (6) is fixedly installed on one side of the seat plate, and a connecting collar (7) is fixedly installed on one end of the anti-slip strap (6).

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