Aerial work telescopic safety harness fixing device

Abstract

The utility model relates to high altitude operation safety equipment technical field, and disclose a kind of telescopic safety belt fixing device for high altitude operation, it includes arc plate, both sides of the arc plate are fixedly installed with support block, the top of two support blocks is provided with connecting block, the top of two support blocks and two connecting blocks is provided with thread groove, the top of two connecting blocks is provided with locating bolt, locating bolt is connected with thread groove, the top of two support blocks is provided with first circular hole, the bottom of two connecting blocks is fixedly installed with screw rod, the bottom of two screw rods is respectively penetrated two first circular holes, the bottom of arc plate is provided with locking mechanism;The utility model can realize telescopic adjustment of fixing device, operating personnel can adjust the length of device according to the shape of external fixed structure, can adapt to different external fixed structure, also can split device, convenient for staff to carry.

Description

Technical Field

[0001] This utility model belongs to the technical field of high-altitude work safety equipment, specifically a high-altitude work retractable safety belt fixing device. Background Technology

[0002] In high-altitude operations, safety belts are crucial equipment for ensuring the safety of workers. Currently, safety belts are typically secured to a structure to prevent workers from falling.

[0003] Currently, commonly used safety belt securing devices have certain limitations. Most are of fixed length and cannot be adjusted to fit different external fixing structures. Furthermore, the locking mechanism has low reliability and instability. Therefore, a high-altitude work safety belt securing device with flexible adjustable length is needed to solve the above problems. Utility Model Content

[0004] In view of the above situation and to overcome the defects of the prior art, this utility model provides a retractable safety belt fixing device for high-altitude operations, which effectively solves the problems mentioned in the background.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a retractable safety belt fixing device for high-altitude operations, comprising an arc-shaped plate, with support blocks fixedly installed on both sides of the arc-shaped plate, a connecting block provided on the top of each of the two support blocks, threaded grooves provided on the top of each of the two support blocks and the two connecting blocks, a positioning bolt provided on the top of each of the two connecting blocks, the positioning bolts being threadedly connected to the threaded grooves, a first circular hole being provided through the top of each of the two support blocks, a lead screw fixedly installed on the bottom of each of the two connecting blocks, the bottom of each lead screw passing through the two first circular holes respectively, and a locking mechanism provided on the bottom of the arc-shaped plate.

[0006] Preferably, the locking mechanism includes a hollow seat, with rectangular frames fixedly installed on both sides of the hollow seat. A second circular hole is opened through the top of the rectangular frame. A circular tube is rotatably connected to the inner wall of the second circular hole. A first bevel gear is fixedly sleeved on the outer side of the circular tube. A transmission rod is rotatably connected inside the hollow seat. Both ends of the transmission rod movably pass through the hollow seat and extend into the interior of the rectangular frame. A second bevel gear is fixedly installed at both ends of the transmission rod. The first bevel gear and the second bevel gear mesh with each other.

[0007] Preferably, a worm gear is fixedly sleeved in the middle outside the transmission rod, and a worm adapted to the worm gear is rotatably connected to the top of the hollow seat cavity. The bottom of the worm extends movably to the bottom of the hollow seat, and a handwheel is fixedly connected to the end of the worm away from the hollow seat.

[0008] Preferably, the inner wall of the circular tube is threaded to the lead screw, and the inner wall of the circular tube is provided with an external thread that is compatible with the lead screw.

[0009] Preferably, an arc-shaped block adapted to the arc-shaped plate is fixedly installed on the top of the hollow seat, and a connecting frame is fixedly installed on the bottom of the hollow seat.

[0010] Compared with the prior art, the beneficial effects of this utility model are:

[0011] 1. This utility model achieves telescopic adjustment of the fixing device by rotating a handwheel, which drives the worm gear to rotate, the worm gear to rotate the matching worm wheel, the worm wheel to rotate the transmission rod, the transmission rod to rotate the second bevel gear, the second bevel gear to rotate the meshing first bevel gear, the first bevel gear to rotate the circular tube, and the circular tube to move the threaded screw upward. The operator can adjust the length of the device according to the shape of the external fixing structure, and it can adapt to different external fixing structures.

[0012] 2. This new type of device can be disassembled by rotating the positioning bolt to move it away from the support block, and then the support block is moved upward. The support block drives the lead screw to move upward, making the device easy for workers to carry. Attached Figure Description

[0013] The accompanying drawings are provided to further understand the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation thereof.

[0014] In the attached diagram:

[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0016] Figure 2 This is a split diagram showing the connection relationship between the support block and the connecting block of this utility model;

[0017] Figure 3 This is a plan view of the overall structure of this utility model;

[0018] Figure 4 This is a cross-sectional view of the locking mechanism structure of this utility model;

[0019] Figure 5 This is a split view of the connection relationship between the circular tube and the rectangular frame of this utility model;

[0020] In the diagram: 1. Arc-shaped plate; 2. Support block; 3. Connecting block; 4. Positioning bolt; 5. Lead screw; 6. Locking mechanism; 601. Hollow seat; 602. Rectangular frame; 603. Second circular hole; 604. Circular tube; 605. First bevel gear; 606. Transmission rod; 607. Second bevel gear; 608. Worm gear; 609. Worm; 610. Handwheel; 7. Arc-shaped block; 8. Connecting frame; 9. Threaded groove; 10. First circular hole. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0022] Example 1, by Figure 1 - Figure 5 The present invention includes an arc-shaped plate 1, with support blocks 2 fixedly installed on both sides of the arc-shaped plate 1. A connecting block 3 is provided on the top of each of the two support blocks 2. Threaded grooves 9 are opened on the top of each of the two support blocks 2 and the two connecting blocks 3. Positioning bolts 4 are provided on the top of each of the two connecting blocks 3. The positioning bolts 4 are threadedly connected to the threaded grooves 9. A first circular hole 10 is opened through the top of each of the two support blocks 2. A lead screw 5 is fixedly installed on the bottom of each of the two connecting blocks 3. The bottom of each of the two lead screws 5 passes through the two first circular holes 10 respectively. A locking mechanism 6 is provided at the bottom of the arc-shaped plate 1.

[0023] The locking mechanism 6 includes a hollow base 601, on both sides of which a rectangular frame 602 is fixedly installed. A second circular hole 603 is opened through the top of the rectangular frame 602. A circular tube 604 is rotatably connected to the inner wall of the second circular hole 603. A first bevel gear 605 is fixedly sleeved on the outer side of the circular tube 604. A transmission rod 606 is rotatably connected inside the hollow base 601. Both ends of the transmission rod 606 movably pass through the hollow base 601 and extend into the interior of the rectangular frame 602. A second bevel gear 607 is fixedly installed on both outer ends of the transmission rod 606. The first bevel gear 605 and the second bevel gear 607 mesh with each other.

[0024] The diameter of the second circular hole 603 matches the outer diameter of the circular tube 604. The outer wall of the circular tube 604 is rotatably connected to the inner wall of the second circular hole 603 through a bearing precision fit, ensuring that the circular tube 604 can rotate flexibly along its own axis.

[0025] A worm gear 608 is fixedly sleeved in the middle outside the transmission rod 606. A worm 609 adapted to the worm gear 608 is rotatably connected to the top of the inner cavity of the hollow seat 601. The bottom of the worm 609 extends movably to the bottom of the hollow seat 601. A handwheel 610 is fixedly connected to the end of the worm 609 away from the hollow seat 601. The inner wall of the circular tube 604 is threaded to the lead screw 5. The inner wall of the circular tube 604 is provided with an external thread adapted to the lead screw 5. An arc block 7 adapted to the arc plate 1 is fixedly installed on the top of the hollow seat 601. A connecting frame 8 is fixedly installed on the bottom of the hollow seat 601.

[0026] The bottom of the worm 609 extends to the bottom of the hollow seat 601. This design ensures the normal rotation space of the worm 609 and also limits its movement to prevent deviation during transmission. A handwheel 610 is fixedly connected to the end of the worm 609 away from the hollow seat 601. By turning the handwheel 610, the worm 609 can be easily driven to rotate, thereby driving the meshing worm wheel 608 and the transmission rod 606 to operate. This achieves the convenience of manual operation and allows the operator to adjust the transmission state according to actual needs.

[0027] Working principle: In use, rotating the handwheel 610 drives the worm gear 609 to rotate, which in turn drives the matching worm wheel 608 to rotate. The worm wheel 608 drives the transmission rod 606 to rotate, which in turn drives the second bevel gear 607 to rotate. The second bevel gear 607 drives the meshing first bevel gear 605 to rotate, which in turn drives the circular tube 604 to rotate. The circular tube 604 drives the threaded screw 5 to move upward, thus enabling the telescopic adjustment of the fixing device. By rotating the positioning bolt 4 to move it away from the support block 2, and then moving the support block 2 upward, the support block 2 drives the screw 5 to move upward, allowing the device to be disassembled.

Claims

1. A retractable safety belt fixing device for high-altitude operations, comprising an arc-shaped plate (1), characterized in that: Support blocks (2) are fixedly installed on both sides of the arc plate (1). Connecting blocks (3) are provided on the top of the two support blocks (2). Threaded grooves (9) are opened on the top of the two support blocks (2) and the two connecting blocks (3). Positioning bolts (4) are provided on the top of the two connecting blocks (3). The positioning bolts (4) are threadedly connected to the threaded grooves (9). The top of the two support blocks (2) is provided with a first round hole (10). Screws (5) are fixedly installed on the bottom of the two connecting blocks (3). The bottoms of the two screws (5) are respectively provided with two first round holes (10). A locking mechanism (6) is provided on the bottom of the arc plate (1).

2. A retractable safety harness attachment for aerial work according to claim 1, characterised in that: The locking mechanism (6) includes a hollow seat (601), and rectangular frames (602) are fixedly installed on both sides of the hollow seat (601). A second circular hole (603) is opened through the top of the rectangular frame (602). A circular tube (604) is rotatably connected to the inner wall of the second circular hole (603). A first bevel gear (605) is fixedly sleeved on the outer side of the circular tube (604). A transmission rod (606) is rotatably connected inside the hollow seat (601). Both ends of the transmission rod (606) are movably inserted through the hollow seat (601) and extend into the interior of the rectangular frame (602). A second bevel gear (607) is fixedly installed at both ends of the transmission rod (606). The first bevel gear (605) and the second bevel gear (607) mesh with each other.

3. A retractable harness attachment for aerial work according to claim 2, characterised in that: A worm gear (608) is fixedly sleeved in the middle outside the transmission rod (606). A worm (609) that is compatible with the worm gear (608) is rotatably connected to the top of the inner cavity of the hollow seat (601). The bottom of the worm (609) extends movably to the bottom of the hollow seat (601). A handwheel (610) is fixedly connected to the end of the worm (609) away from the hollow seat (601).

4. A retractable safety harness attachment for aerial work according to claim 2, characterised in that: The inner wall of the circular tube (604) is threadedly connected to the lead screw (5), and the inner wall of the circular tube (604) is provided with an external thread that is compatible with the lead screw (5).

5. A retractable safety harness attachment for aerial work according to claim 2, characterised in that: The top of the hollow seat (601) is fixedly installed with an arc-shaped block (7) that is compatible with the arc-shaped plate (1), and the bottom of the hollow seat (601) is fixedly installed with a connecting frame (8).

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