Anti-falling self-locking mechanism

Abstract

The utility model discloses an anti-falling self-locking mechanism, and relates to the technical field of self-locking mechanisms, the anti-falling self-locking mechanism comprises a self-locking assembly, the self-locking assembly is a ratchet wheel self-locking structure, the inner side of the self-locking assembly is rotatably connected with a guide wheel, and the guide wheel is used for guiding a cable. Through the arrangement of the cover body A and the cover body B, when the rope sleeve is installed on the inner sides of the cover body A and the cover body B, after connection and limiting are completed, and when the cover body A and the cover body B are loaded, the cover body B can be jacked up and limited synchronously through the limiting rod fixedly connected in the limiting frame, so that follow-up use is more convenient; through the arrangement of the limiting frame and the connecting block, stable guiding operation can be conducted through the arrangement of the connecting block and the limiting frame after connection of the rope sleeve and the safety rope is completed, then the purposes of being more practical and rapid in connection are achieved, and the overall flexibility after installation can be remarkably improved through the design.

Description

Technical Field

[0001] The utility model relates to the technical field of self-locking mechanisms, in particular to a self-locking mechanism capable of preventing falling. Background Art

[0002] The status inspection of power equipment is to ensure the scientific maintenance of power equipment, to ensure the safety of the operation process of power equipment and its economic reliability. The existing patent is a mechanical self-locking mechanism for preventing the high-altitude cage from tilting or falling. The patent publication number CN207384627U includes a brake locking block, and a limit block is arranged in the middle of the left ends of the two locking plates of the brake locking block. The limit block connects two pan head cross slot screws. A connecting rod is arranged between the upper brake locking block and the lower brake locking block. Through holes are arranged at both ends of the connecting rod. The pan head cross slot screw passes through the through holes and is connected to the limit block to ensure that the upper and lower groups of brake locking blocks are linked. A retaining spring is arranged at the connection between the driving shaft, the shaft pin and the upper brake locking block and the lower brake locking block to make the connection more stable. A keyway is arranged on the driving shaft and the upper brake locking block, and the two are linked by an ordinary flat key. The two semi-sliders are staggered and clamped in the semicircular arc groove. The mechanical self-locking mechanism for preventing a high-altitude cage from tilting or falling has the advantages of delicate structure and good self-locking effect, and has broad market prospects.

[0003] With respect to the above-mentioned related technologies, the inventors believe that the following defects exist: although the installation can be achieved through the keyway during use, due to the lack of a self-locking mechanism for the connection self-locking structure of the rope loop during use, the rope can still be taken out even when the self-locking device is in the self-locking state, which has limitations. Therefore, we propose a self-locking mechanism that can prevent falling to solve the above-mentioned problems. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a self-locking mechanism that can prevent falling, which solves the problem that the existing self-locking structure for connecting the rope loop due to the lack of a self-locking mechanism, so that the rope can still be taken out even when the self-locking device is in the self-locking state.

[0005] To achieve the above purpose, the utility model is implemented through the following technical solutions: a fall-proof self-locking mechanism, including a self-locking component, the self-locking component is a ratchet self-locking structure, and the inner side of the self-locking component is rotatably connected to a guide wheel, and the guide wheel is used to guide the thread, and a mounting seat is fixedly connected to the front end surface of the self-locking component, and there are two mounting seats in total, and the two mounting seats are fixedly connected to the left and right sides of the front end surface of the self-locking component in opposite directions, and the self-locking component and the mounting seat together constitute a connecting structure, and through holes are also opened inside the two mounting seats.

[0006] Preferably, a connecting block is rotatably connected to the inner side of the mounting seat, and a through hole is provided in the connecting block on a side away from the mounting seat, a limiting frame is inserted into the through hole, the main body of the limiting frame is a rectangular frame structure, and a longitudinal groove is provided inside the limiting frame, which is a guide groove.

[0007] Preferably, there are two guide grooves, which are oppositely opened at left and right sides of the limiting frame, and a spring rod is fixedly connected to the inside of the guide groove, and the main body of the spring rod is a telescopic structure with a spring.

[0008] Preferably, a limiting rod is fixedly connected to the inner bottom end surface of the limiting frame, and two limiting rods are provided, the two limiting rods are fixedly connected to the left and right sides of the limiting frame in a linear array, and a movable frame is installed inside the guide groove.

[0009] Preferably, a slider is fixedly connected to the outer side of the movable frame, and there are four sliders in total, which are respectively fixedly connected to the four corners of the outer side of the movable frame, and the movable frame is slidably connected in the guide groove through the slider fixedly connected on its outer side.

[0010] Preferably, a cover body A is fixedly connected to the inner side of the movable frame, and the main body of the cover body A is an arc-shaped structure, and the bottom end of the cover body A is rotatably connected to the cover body B.

[0011] Preferably, the outer sides of the cover bodies A and B are fixedly connected with mounting plates, and the mounting plates are also provided with mounting holes inside, the mounting holes are screwed with fixing bolts inside, and rope loops are installed inside the cover bodies A and B, and the bottom ends of the rope loops are fixedly connected with safety ropes. Beneficial Effects

[0012] The utility model provides a self-locking mechanism that can prevent falling. Compared with the prior art, it has the following beneficial effects:

[0013] The anti-fall self-locking mechanism is provided with a cover body A and a cover body B, so that when the rope loop is installed to the inner position of the cover body A and the cover body B, the rope loop can be quickly connected and limited by using a fixing bolt passing through the mounting plate. After the connection and limiting are completed, when the cover body A and the cover body B are loaded, the limit rod fixedly connected to the limit frame can be synchronously used to limit the lifting of the cover body B to achieve more convenience and subsequent use, thereby achieving a more practical purpose.

[0014] The fall-preventing self-locking mechanism is provided with a limit frame and a connecting block, so that after the rope loop and the safety rope are connected, a stable guiding operation can be performed through the setting of the connecting block and the limit frame, thereby achieving a more practical and quick connection. This design can significantly improve the overall flexibility after installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a front side structural schematic diagram of the self-locking mechanism of the utility model.

[0016] Figure 2 The utility model is a schematic diagram of the combined structure of the self-locking component and the guide wheel of the self-locking mechanism.

[0017] Figure 3 The utility model is a schematic diagram of the combined structure of the limit frame and the guide groove of the self-locking mechanism.

[0018] Figure 4 The utility model is a schematic diagram of the combined structure of the moving frame and the sliding block of the self-locking mechanism.

[0019] Figure 5 It is a front structural schematic diagram of the self-locking mechanism of the utility model.

[0020] Figure 6 It is a left-side structural schematic diagram of the self-locking mechanism of the utility model.

[0021] In the figure: 1. Self-locking assembly; 101. Guide wheel; 102. Mounting seat; 103. Connecting block; 2. Limiting frame; 201. Guide groove; 202. Spring rod; 203. Limiting rod; 3. Moving frame; 301. Sliding block; 302. Cover body A; 303. Cover body B; 304. Mounting plate; 305. Fixing bolt; 306. Rope loop; 307. Safety rope. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-Figure 6 The utility model provides a technical solution: a self-locking mechanism for preventing falling, comprising a self-locking component 1, the self-locking component 1 is a ratchet self-locking structure, and the inner side of the self-locking component 1 is rotatably connected with a guide wheel 101, and the guide wheel 101 is used to guide the thread, and a mounting seat 102 is fixedly connected to the front end surface of the self-locking component 1, and the mounting seat 102 is provided at two locations, and the two mounting seats 102 are fixedly connected to the left and right sides of the front end surface of the self-locking component 1 in opposite directions, and the self-locking component 1 and the mounting seat 102 together form a connection structure, and the insides of the two mounting seats 102 are also provided with through holes;

[0024] By fixing the mounting seat 102 on the front end surface of the self-locking component 1, a stable mounting guide can be achieved when the self-locking component 1 is in use.

[0025] See also Figure 2 , Figure 3 The inner side of the mounting seat 102 is rotatably connected with a connecting block 103, and a through hole is provided in the connecting block 103 on a side away from the mounting seat 102, and a limiting frame 2 is inserted into the through hole. The main body of the limiting frame 2 is a rectangular frame structure, and a longitudinal groove is provided inside the limiting frame 2, and the longitudinal groove is a guide groove 201;

[0026] By opening a longitudinal groove inside the limiting frame 2, the moving frame 3 and the sliding block 301 can move more smoothly.

[0027] See also Figure 1 , Figure 5 There are two guide grooves 201, and the two guide grooves 201 are oppositely opened at the left and right sides of the inner part of the limit frame 2, and the inner part of the guide groove 201 is fixedly connected with a spring rod 202, and the main body of the spring rod 202 is a telescopic structure with a spring;

[0028] The spring rod 202 is fixedly connected to the inside of the guide groove 201 provided in the limiting frame 2, so that the movable frame 3 can be supported when it is in use.

[0029] See also Figure 3 , Figure 4 The limiting rod 203 is fixedly connected to the inner bottom end surface of the limiting frame 2, and the limiting rod 203 is provided at two locations, and the two limiting rods 203 are fixedly connected to the left and right sides of the limiting frame 2 in a linear array, and the movable frame 3 is installed inside the guide groove 201;

[0030] By fixing the limiting rod 203 inside the limiting frame 2, the cover body B303 can be installed when it is in use.

[0031] See also Figure 1 , Figure 2 The outer side of the moving frame 3 is fixedly connected with a slider 301, and the slider 301 is provided at four locations, and the sliders 301 at the four locations are respectively fixedly connected to the four corners of the outer side of the moving frame 3, and the moving frame 3 is slidably connected to the guide groove 201 through the sliders 301 fixedly connected on the outer side thereof;

[0032] By fixing two sliders 301 opposite to each other on the outer side of the moving frame 3, a stable guiding operation can be achieved when the moving frame 3 is in use.

[0033] See also Figure 5 , Figure 6 , the inner side of the mobile frame 3 is fixedly connected with a cover body A302, and the main body of the cover body A302 is an arc-shaped structure, and the bottom end of the cover body A302 is rotatably connected with a cover body B303;

[0034] By providing the cover body A302 and the cover body B303 hinged thereto, it can be quickly spliced ​​and used when in use.

[0035] See also Figure 1 , Figure 2 The outer sides of the cover A302 and the cover B303 are fixedly connected with a mounting plate 304, and the mounting plate 304 is provided with a mounting hole inside, and a fixing bolt 305 is screwed inside the mounting hole, and a rope loop 306 is installed inside the cover A302 and the cover B303, and a safety rope 307 is fixedly connected to the bottom end of the rope loop 306;

[0036] By fixing the safety rope 307 at the bottom end of the rope loop 306 , a quick bolting operation can be achieved when the rope loop 306 is in use.

[0037] During operation, when the self-locking assembly 1 is in use, the self-locking assembly 1 can be sleeved to the outer position of the rope, and the connecting block 103 can be simultaneously installed to the inner position of the two mounting seats 102 fixedly connected to the front end surface of the self-locking assembly 1, and after the installation is completed, the rope loop 306 with the safety rope 307 can be installed to the inner position of the cover body A302 and the cover body B303 to limit the position;

[0038] After the installation is completed, the quick connection operation is achieved by passing the fixing bolt 305 through the mounting plate 304 fixedly connected to the outside of the cover body A302 and the cover body B303, and the safety rope 307 fixedly connected to the outside of the rope loop 306 is connected to the operator's body. When the connection is completed, the spring rod 202 installed in the guide groove 201 will be squeezed by the action of gravity, and the closing operation of the cover body B303 is achieved by utilizing the setting of two limit rods 203 fixedly connected to the limit frame 2, thereby achieving a more practical purpose.

[0039] In summary, the device is provided with a limiting rod 203 fixedly connected to the limiting frame 2, so that it can achieve the sealing operation of the cover body B303.

[0040] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

Claims

1. A self-locking mechanism capable of preventing a fall, comprising a self-locking component (1), characterized in that: The self-locking component (1) is a ratchet self-locking structure, and a guide wheel (101) is rotatably connected to the inner side of the self-locking component (1), and the guide wheel (101) is used to guide the thread, and a mounting seat (102) is fixedly connected to the front end surface of the self-locking component (1), and two mounting seats (102) are provided, and the two mounting seats (102) are fixedly connected to the left and right sides of the front end surface of the self-locking component (1) in opposite directions, and the self-locking component (1) and the mounting seat (102) together form a connection structure, and through holes are also provided inside the two mounting seats (102).

2. The anti-fall self-locking mechanism according to claim 1, characterized in that: The inner side of the mounting seat (102) is rotatably connected to a connecting block (103), and a through hole is provided on a side of the connecting block (103) away from the mounting seat (102), and a limiting frame (2) is inserted into the inner side of the through hole. The main body of the limiting frame (2) is a rectangular frame structure, and a longitudinal groove is provided inside the limiting frame (2), and the longitudinal groove is a guide groove (201).

3. The anti-fall self-locking mechanism according to claim 2, characterized in that: The guide grooves (201) are provided at two locations in total, and the two guide grooves (201) are opened oppositely at left and right sides of the interior of the limiting frame (2), and a spring rod (202) is fixedly connected to the interior of the guide groove (201), and the main body of the spring rod (202) is a telescopic structure with a spring.

4. The anti-fall self-locking mechanism according to claim 3, characterized in that: The limiting frame (2) is fixedly connected to the inner bottom end surface of the limiting frame (2), and the limiting frame (203) is provided at two locations. The two limiting frames (203) are fixedly connected to the left and right sides of the limiting frame (2) in a linear array, and a movable frame (3) is installed inside the guide groove (201).

5. The anti-fall self-locking mechanism according to claim 4, characterized in that: The outer side of the movable frame (3) is fixedly connected with a slider (301), and the slider (301) is provided at four locations in total. The four sliders (301) are respectively fixedly connected to the four corners of the outer side of the movable frame (3), and the movable frame (3) is slidably connected in the guide groove (201) via the sliders (301) fixedly connected to the outer side surface thereof.

6. The anti-fall self-locking mechanism according to claim 5, characterized in that: A cover body A (302) is fixedly connected to the inner side of the movable frame (3), and the main body of the cover body A (302) is an arc-shaped structure. The bottom end of the cover body A (302) is rotatably connected to the cover body B (303).

7. The anti-fall self-locking mechanism according to claim 6, characterized in that: The outer sides of the cover body A (302) and the cover body B (303) are fixedly connected to a mounting plate (304), and a mounting hole is provided inside the mounting plate (304), a fixing bolt (305) is screwed inside the mounting hole, and a rope loop (306) is installed inside the cover body A (302) and the cover body B (303), and a safety rope (307) is fixedly connected to the bottom end of the rope loop (306).

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