Steel wire rope falling protector

Abstract

The utility model relates to a steel wire rope falling protector, which belongs to the technical field of steel wire rope falling protectors and comprises a steel wire rope falling protector body and a connecting block arranged on the steel wire rope falling protector body, a receding groove is formed in the top surface of the connecting block, and two supporting grooves are formed in the top surface of the connecting block. A connecting rod is placed in the receding groove, the peripheral wall of the connecting rod is fixedly sleeved with a supporting wheel, and supporting blocks with one ends extending into the supporting groove are fixedly connected to the front face and the back face of the connecting block correspondingly. According to the falling protector for the steel wire rope, supporting wheels are driven to move through sliding connection between supporting blocks and supporting grooves, workers can disassemble, assemble and replace the supporting wheels conveniently, the supporting blocks are supported under the action of first rubber pads and second rubber pads, the stability of the supporting blocks is improved, and meanwhile the safety of the steel wire rope is improved. And through clearance fit between the positioning rods and the positioning holes, the supporting blocks are fixed, and the stability of the supporting wheel is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of wire rope fall arresters, in particular to a wire rope fall arrester. Background Art

[0002] A fall arrester, also known as a speed differential device, is a protective product that can quickly brake and lock a falling object within a limited distance. It is suitable for cargo lifting, protecting the lives of ground operators and preventing damage to the lifted workpiece. The fall arrester uses the speed difference of the falling object for self-control, and is hung high and used low. In high-altitude operation industries such as electricity, engineering construction, and communications, especially the wind power generation industry, in order to ensure the safety of high-altitude work, personnel climbing on ladders are required to install fall prevention facilities.

[0003] When the existing wire rope fall arrester is in use, the wire rope is supported by a supporting wheel, but wire ropes of different sizes need to be supported by supporting wheels of different specifications, and the supporting wheel is fixedly connected to the fall arrester and cannot be replaced. Therefore, the wire rope fall arrester as a whole needs to be replaced, which increases the use cost and reduces the use effect. Therefore, a wire rope fall arrester is proposed to solve the above problems. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a wire rope fall arrester, which has the advantages of disassembly, assembly and replacement, and solves the problem that the existing wire rope fall arrester supports the wire rope by a supporting wheel when in use, but wire ropes of different sizes need to be supported by supporting wheels of different specifications, and the supporting wheel is fixedly connected to the fall arrester, and the supporting wheel cannot be replaced, so the wire rope fall arrester needs to be replaced as a whole, which increases the use cost and reduces the use effect.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a wire rope fall arrester, comprising a wire rope fall arrester body and a connecting block arranged on the wire rope fall arrester body, the top surface of the connecting block is provided with a make way groove, and the top surface of the connecting block is provided with two supporting grooves.

[0006] A connecting rod is placed inside the give way groove, and a support wheel is fixedly mounted on the outer peripheral wall of the connecting rod. The front and back sides of the connecting block are fixedly connected to a support block with one end extending into the support groove. The left and right sides of the two support blocks are fixedly connected to a first rubber pad. The connecting rod is rotatably connected to the two support blocks respectively through two bearings, and a connecting plate is fixedly connected to the side of the two support blocks away from the connecting rod, and a second rubber pad is fixedly connected to the side of the two connecting plates away from the support blocks.

[0007] The two support grooves are each provided with a fixing assembly for fixing the connecting plate.

[0008] The connecting block is provided with a driving component for driving the fixing component.

[0009] Furthermore, the support block and the support groove are both T-shaped, the support block and the support groove are slidably connected, and the first rubber pad fits the support groove.

[0010] Furthermore, the two support grooves are symmetrically distributed front and back with the clearance groove as the center, and the second rubber pad fits the support groove.

[0011] Furthermore, the fixing assembly includes two driving rods, and the two driving rods are movably connected to the inside of the supporting groove through bearings, and the opposite sides of the two driving rods are movably connected to a screw rod with one end extending into the inside thereof, and the opposite sides of the two screw rods are fixedly connected to a baffle plate, and the opposite sides of the two baffle plates are fixedly connected to a positioning rod, and the left and right sides of the connecting plate are provided with positioning holes, and the positioning rod extends to the inside of the positioning hole, and the inside of the connecting block is provided with four limiting grooves, and the baffle plate extends to the inside of the limiting groove.

[0012] Furthermore, the positioning rod and the positioning hole are clearance-matched, the baffle plate and the connecting plate are fitted, and the baffle plate and the limiting groove are slidably connected.

[0013] Furthermore, threaded holes are provided on opposite sides of the two driving rods, and the two screw rods extend into the inside of the two threaded holes respectively and are threadedly connected thereto.

[0014] Furthermore, the driving assembly includes two fixing frames, the two fixing frames are respectively fixedly connected to the front and back sides of the connecting block, the side faces of the two fixing frames away from the connecting block are movably connected through bearings to a rotating rod having one end penetrating the fixing frame and extending into the interior thereof, the side faces of the two rotating rods away from the connecting block are fixedly connected to handles, active bevel gears are fixedly installed on the outer peripheral walls of the two rotating rods, two connecting grooves are provided on the front and back sides of the connecting block, and driven bevel gears meshing with the active bevel gears are fixedly installed on the outer peripheral walls of the four driving rods, and the driven bevel gears penetrate the connecting grooves.

[0015] Furthermore, the fixing frame is a U-shaped frame, the rotating rod is rotatably connected via a bearing and a connecting block, and the active bevel gear is located inside the fixing frame.

[0016] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0017] 1. The wire rope arrester drives the support wheel to move through the sliding connection between the support block and the support groove, which facilitates the disassembly, installation and replacement of the support wheel by the staff. Moreover, under the action of the first rubber pad and the second rubber pad, the support block is supported, improving the stability of the support block. At the same time, through the clearance fit between the positioning rod and the positioning hole, the support block is fixed, enhancing the stability of the support wheel.

[0018] 2. The wire rope arrester drives the positioning rod to move through the threaded connection between the driving rod and the screw, which is convenient for the staff to use. Through the meshing between the driving bevel gear and the driven bevel gear, the driving rod is driven to rotate, facilitating the operation of the staff. Meanwhile, through the sliding connection between the baffle and the limiting groove, the baffle is supported, improving the stability of the baffle. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 is a schematic structural diagram of the present utility model;

[0020] Figure 2 is a top view schematic diagram of the relief groove in the structure of the present utility model;

[0021] Figure 3 is an enlarged top view schematic diagram of the internal structure of the back support groove in the structure of the present utility model;

[0022] Figure 4 is a three-dimensional schematic diagram of the support block in the structure of the present utility model.

[0023] In the figure: 1 wire rope arrester body, 2 connecting block, 3 relief groove, 4 support wheel, 5 connecting rod, 6 support block, 7 driving rod, 8 connecting groove, 9 fixing frame, 10 driving bevel gear, 11 handle, 12 rotating rod, 13 screw, 14 driven bevel gear, 15 baffle, 16 positioning rod, 17 positioning hole, 18 support groove, 19 first rubber pad, 20 second rubber pad, 21 connecting plate, 22 limiting groove. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0024] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0025] Embodiment 1: Please refer to Figures 1 to 4, A wire rope arrester in this embodiment includes a wire rope arrester body 1 and a connecting block 2 provided on the wire rope arrester body 1. A relief groove 3 is formed on the top surface of the connecting block 2, and two support grooves 18 are formed on the top surface of the connecting block 2.

[0026] A connecting rod 5 is placed inside the relief groove 3. A support wheel 4 is fixedly sleeved on the outer peripheral wall of the connecting rod 5. Support blocks 6 extending to the inside of the support grooves 18 are fixedly connected to the front and back surfaces of the connecting block 2. First rubber pads 19 are fixedly connected to the left and right side surfaces of the two support blocks 6. The connecting rod 5 is rotatably connected to the two support blocks 6 through two bearings respectively. Connecting plates 21 are fixedly connected to the side surfaces of the two support blocks 6 away from the connecting rod 5. Second rubber pads 20 are fixedly connected to the side surfaces of the two connecting plates 21 away from the support blocks 6.

[0027] Among them, both the support block 6 and the support groove 18 are T-shaped, and the support block 6 is slidably connected to the support groove 18. The first rubber pad 19 is in contact with the support groove 18. The two support grooves 18 are symmetrically distributed front and back with the relief groove 3 as the center. The second rubber pad 20 is in contact with the support groove 18.

[0028] Specifically, push the connecting rod 5 so that the connecting rod 5 is located inside the relief groove 3. The support block 6 drives the connecting plate 21 into the support groove 18. The connecting rod 5 is supported through the sliding connection between the support block 6 and the support groove 18. The support block 6 is supported through the contact between the first rubber pad 19 and the second rubber pad 20 and the support groove 18, improving the stability of the support block 6. The wire rope is supported by the support wheel 4.

[0029] Embodiment Two: Please refer to Figures 1 to 4 , In this embodiment, on the basis of Embodiment One, fixing components are provided inside both support grooves 18. The fixing components include two driving rods 7. The two driving rods 7 are both rotatably connected inside the support grooves 18 through bearings. One ends of two screw rods 13 extending to their inside are movably connected to the opposite side surfaces of the two driving rods 7. Baffles 15 are fixedly connected to the opposite side surfaces of the two screw rods 13. Positioning rods 16 are fixedly connected to the opposite side surfaces of the two baffles 15. Positioning holes 17 are formed on the left and right side surfaces of the connecting plate 21. The positioning rods 16 extend into the positioning holes 17. Four limiting grooves 22 are formed inside the connecting block 2. The baffles 15 extend into the limiting grooves 22.

[0030] Among them, the positioning rod 16 and the positioning hole 17 have a clearance fit. The baffle 15 is in contact with the connecting plate 21. The baffle 15 is slidably connected to the limiting groove 22. Threaded holes are formed on the opposite side surfaces of the two driving rods 7. The two screw rods 13 respectively extend into the two threaded holes and are threadedly connected thereto.

[0031] Specifically, the positioning rod 16 and the positioning hole 17 are located on the same center line. The driving rod 7 rotates. Through the threaded connection between the driving rod 7 and the screw rod 13 and the sliding connection between the baffle 15 and the limiting groove 22, the screw rod 13 drives the baffle 15 to move, so that the positioning rod 16 is inserted into the positioning hole 17. Through the clearance fit between the positioning rod 16 and the positioning hole 17, the support block 6 is fixed, and then the support wheel 4 is fixed.

[0032] Embodiment 3: Please refer to Figures 1 to 4 , in this embodiment, on the basis of Embodiment 1 and Embodiment 2, it includes a driving assembly provided on the connecting block 2. The driving assembly includes two fixing frames 9. The two fixing frames 9 are respectively fixedly connected to the front and back surfaces of the connecting block 2. One side of the two fixing frames 9 away from the connecting block 2 is movably connected by bearings with a rotating rod 12 that penetrates through the fixing frame 9 and extends into its interior. One side of the two rotating rods 12 away from the connecting block 2 is fixedly connected with a handle 11. The outer peripheral walls of the two rotating rods 12 are fixedly installed with driving bevel gears 10. The front and back surfaces of the connecting block 2 are both provided with two connecting grooves 8. The outer peripheral walls of the four driving rods 7 are fixedly installed with driven bevel gears 14 that mesh with the driving bevel gears 10. The driven bevel gears 14 penetrate through the connecting grooves 8.

[0033] Among them, the fixing frame 9 is a U-shaped frame. The rotating rod 12 is rotatably connected to the connecting block 2 through a bearing. The driving bevel gear 10 is located inside the fixing frame 9.

[0034] Specifically, rotate the handle 11 to drive the rotating rod 12 to rotate, and then drive the driving bevel gear 10 to rotate. Through the meshing between the driving bevel gear 10 and the driven bevel gear 14, the driving rod 7 is driven to rotate.

[0035] The working principle of the above embodiment is:

[0036] The connecting rod 5 is pushed so that the connecting rod 5 is located inside the give way groove 3, and the supporting block 6 drives the connecting plate 21 to enter the inside of the supporting groove 18. The connecting rod 5 is supported by the sliding connection between the supporting block 6 and the supporting groove 18. The supporting block 6 is supported by the fit between the first rubber pad 19 and the second rubber pad 20 and the supporting groove 18, thereby improving the stability of the supporting block 6. The positioning rod 16 and the positioning hole 17 are located on the same center line. The handle 11 is turned so that the handle 11 drives the rotating rod 12 to rotate, thereby driving the active bevel gear 10 to rotate. The driving bevel gear 10 and the driven bevel gear 14 are meshed to drive the driving rod 7 to rotate. The threaded connection between the driving rod 7 and the screw 13 and the sliding connection between the baffle 15 and the limiting groove 22 enable the screw 13 to drive the baffle 15 to move, so that the positioning rod 16 is inserted into the inside of the positioning hole 17. The support block 6 is fixed by the clearance fit between the positioning rod 16 and the positioning hole 17, thereby fixing the support wheel 4, and supporting the wire rope by the support wheel 4.

[0037] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0038] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A wire rope fall arrester, comprising a wire rope fall arrester body (1) and a connecting block (2) arranged on the wire rope fall arrester body (1), characterized in that: The top surface of the connection block (2) is provided with a clearance groove (3), and the top surface of the connection block (2) is provided with two supporting grooves (18); A connecting rod (5) is placed inside the said yielding groove (3), and a supporting wheel (4) is fixedly mounted on the outer peripheral wall of the said connecting rod (5); the front and back sides of the said connecting block (2) are fixedly connected to a supporting block (6) having one end extending into the inside of the supporting groove (18); the left and right sides of the two supporting blocks (6) are fixedly connected to a first rubber pad (19); the said connecting rod (5) is rotatably connected to the two supporting blocks (6) respectively through two bearings; the side surfaces of the two supporting blocks (6) away from the connecting rod (5) are fixedly connected to a connecting plate (21); and the side surfaces of the two connecting plates (21) away from the supporting blocks (6) are fixedly connected to a second rubber pad (20); The two support grooves (18) are each provided with a fixing component inside, and the connecting block (2) is provided with a driving component.

2. A wire rope fall arrester according to claim 1, characterized in that: The support block (6) and the support groove (18) are both T-shaped, the support block (6) and the support groove (18) are slidably connected, and the first rubber pad (19) and the support groove (18) are in close contact.

3. A wire rope fall arrester according to claim 2, characterized in that: The two support grooves (18) are symmetrically distributed front and back with the clearance groove (3) as the center, and the second rubber pad (20) fits the support groove (18).

4. A wire rope fall arrester according to claim 1, characterized in that: The fixing assembly comprises two driving rods (7), the two driving rods (7) are movably connected to the inside of the supporting groove (18) through bearings, the opposite side surfaces of the two driving rods (7) are movably connected to a screw rod (13) with one end extending into the inside thereof, the opposite side surfaces of the two screw rods (13) are fixedly connected to a baffle plate (15), the opposite side surfaces of the two baffle plates (15) are fixedly connected to a positioning rod (16), the left side and the right side surfaces of the connecting plate (21) are provided with positioning holes (17), the positioning rod (16) extends to the inside of the positioning hole (17), the inside of the connecting block (2) is provided with four limiting grooves (22), and the baffle plate (15) extends to the inside of the limiting groove (22).

5. A wire rope fall arrester according to claim 4, characterized in that: The positioning rod (16) and the positioning hole (17) are clearance-matched, the baffle plate (15) and the connecting plate (21) are in close contact, and the baffle plate (15) and the limiting groove (22) are slidably connected.

6. A wire rope fall arrester according to claim 5, characterized in that: The two driving rods (7) are provided with threaded holes on opposite sides thereof, and the two screw rods (13) extend into the inside of the two threaded holes respectively and are threadedly connected thereto.

7. A wire rope fall arrester according to claim 4, characterized in that: The driving assembly comprises two fixing frames (9), the two fixing frames (9) being fixedly connected to the front and back sides of the connecting block (2) respectively, the side faces of the two fixing frames (9) away from the connecting block (2) being movably connected to a rotating rod (12) having one end penetrating the fixing frame (9) and extending into the inside thereof through a bearing, the side faces of the two rotating rods (12) away from the connecting block (2) being fixedly connected to a handle (11), the outer peripheral walls of the two rotating rods (12) being fixedly mounted with a driving bevel gear (10), the front and back sides of the connecting block (2) being provided with two connecting grooves (8), the outer peripheral walls of the four driving rods (7) being fixedly mounted with a driven bevel gear (14) meshing with the driving bevel gear (10), the driven bevel gear (14) penetrating the connecting groove (8).

8. A wire rope fall arrester according to claim 7, characterized in that: The fixed frame (9) is a U-shaped frame, the rotating rod (12) is rotatably connected to the connecting block (2) via a bearing, and the active bevel gear (10) is located inside the fixed frame (9).

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