CN212416722U - Anti-falling device used on steel wire rope - Google Patents
Anti-falling device used on steel wire rope Download PDFInfo
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- CN212416722U CN212416722U CN202020551272.1U CN202020551272U CN212416722U CN 212416722 U CN212416722 U CN 212416722U CN 202020551272 U CN202020551272 U CN 202020551272U CN 212416722 U CN212416722 U CN 212416722U
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- locking block
- side cover
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Abstract
The utility model relates to an anti-falling device used on a steel wire rope, which comprises a side cover, a fixed locking block fixedly connected on the side cover, a movable locking block rotatably supported on the side cover and relatively matched with the fixed locking block, and a hook fixedly connected on the movable locking block; first arc-shaped bosses are arranged on one surface of the fixed locking block, which is opposite to the movable locking block, at intervals along the vertical direction, the middle part of one side of each first arc-shaped boss, which is opposite to the movable locking block, inclines inwards to be sunken, and is in arc transition with two ends to form a first inclined surface; the one side of the relatively fixed locking piece of activity locking piece is provided with second arc boss along vertical interval, and first arc boss sets up relatively with second arc boss on the horizontal direction, and the middle part slope of the relative one side of second arc boss and fixed locking piece is inwards sunken and forms the second inclined plane with both ends arc transition, and first inclined plane and second inclined plane form vertical throat type structure. The utility model discloses the tight area of clamp on wire rope is bigger during the use, uses more reliably.
Description
Technical Field
The utility model belongs to the technical field of high altitude construction safety device's technique and specifically relates to an anti-falling device who is used in on wire rope.
Background
At present, the staff generally can be equipped with the anti-falling device when climbing higher facilities such as an electric power tower, a wind power generation tower and a communication tower, the anti-falling device is installed on a steel wire rope beside a facility ladder stand during climbing, and the anti-falling device can be clamped on the steel wire rope when falling danger occurs, so that the staff is hung and protected.
The prior Chinese utility model with the publication number of CN207137181U discloses a separating type steel wire rope safety hook, which mainly comprises a buffer hook, a main body and a locking block; when the human body lifting device works, the locking block is matched with the main body and sleeved on the steel wire rope, the front end of the locking block is provided with the U-shaped groove and the saw teeth, and when falling danger occurs, the locking block is pulled down by the buffer hook, so that the locking block and the main body are matched to clamp the steel wire rope, and then the human body is lifted.
The above prior art solutions have the following drawbacks: only be provided with the sawtooth on the locking piece on it, and be smooth on the main part, the tight area of clamp of both cooperations on wire rope is not enough, takes place the phenomenon of skidding easily, uses reliably inadequately.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a be used in anti-falling device on wire rope, it passes through institutional advancement, and the tight area of clamp on wire rope is bigger when using, uses more reliably.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: an anti-falling device used on a steel wire rope comprises a side cover, a fixed locking block fixedly connected to the side cover, a movable locking block rotatably supported on the side cover and matched with the fixed locking block oppositely, and a hook fixedly connected to the movable locking block; first arc-shaped bosses are arranged on one surface of the fixed locking block, which is opposite to the movable locking block, at intervals along the vertical direction, the middle part of one side of each first arc-shaped boss, which is opposite to the movable locking block, inclines inwards to be sunken, and is in arc transition with two ends to form a first inclined surface; second arc-shaped bosses are arranged on one surface, opposite to the fixed locking block, of the movable locking block at intervals along the vertical direction, the first arc-shaped bosses and the second arc-shaped bosses are arranged oppositely in the horizontal direction, the middle part of one side, opposite to the fixed locking block, of each second arc-shaped boss inclines inwards and sinks, and the second arc-shaped bosses and the two ends of the second arc-shaped bosses are in arc transition to form a second inclined surface, and the first inclined surface and the second inclined surface form a vertical necking structure; when the hook moves downwards, the upper end of the movable locking block moves towards the direction far away from the fixed locking block, and the lower end of the movable locking block moves towards the direction close to the fixed locking block.
By adopting the technical scheme, when in use, the steel wire rope is placed between the fixed locking block and the movable locking block, and the hanging ring of the safety belt on the body of a human body is hung on the hook; when climbing, the anti-falling device is supported by hands at intervals to be adjusted upwards; when falling danger occurs, the safety belt on the human body pulls the hook downwards, so that the lower end of the movable locking block moves towards the direction close to the fixed locking block, the necking structure formed by the first inclined surface and the second inclined surface at the lower end is reduced, the steel wire rope is clamped, and the human body is hung. Compared with the prior art, the fixed locking block is provided with the first arc-shaped boss and the first inclined plane, the movable locking block is correspondingly provided with the second arc-shaped boss and the second inclined plane, the clamping area is larger when the clamping is performed, the clamping mode is a necking type clamping mode, the clamping effect is better, and the use is more reliable.
The present invention may be further configured in a preferred embodiment as: the upper part of the fixed locking block is fixedly connected with a guide groove, the axis of the guide groove is vertically arranged, and the groove bottom and the fixed locking block are in smooth transition.
By adopting the technical scheme, the guide groove can guide the falling prevention device to slide on the steel wire rope, so that the falling prevention device can slide more smoothly.
The present invention may be further configured in a preferred embodiment as: the side cover comprises a fixed side cover and a movable side cover which is rotationally connected with the fixed side cover; the fixed side cover is a right-angle plate, and the vertical axis of the fixed locking block is parallel to the boundary of the two plate surfaces of the fixed side cover and is fixedly connected to one surface of the inner side of the fixed side cover; the movable locking block is rotatably supported on the movable side cover.
Through adopting above-mentioned technical scheme, the side cap can be comparatively convenient open, and then be convenient for overlap it on wire rope, it is comparatively convenient to use.
The present invention may be further configured in a preferred embodiment as: a rotary connecting piece is arranged between the fixed side cover and the movable side cover; the rotating connecting piece comprises a plurality of rotating supports which are arranged coaxially in the vertical direction, a folding rotating shaft which is fixedly connected between the rotating supports, and a shaft sleeve which is sleeved on the folding rotating shaft; the rotating support and the fixed locking block are fixedly connected on the same plate surface and are arranged opposite to the other plate surface of the fixed side cover by taking the fixed locking block as the center; the movable side cover is plate-shaped, and one side of the movable side cover is fixedly connected with the shaft sleeve.
Through adopting above-mentioned technical scheme, the normal running fit simple structure of fixed side cap and activity side cap is reliable, comparatively is applicable to anti-falling device.
The present invention may be further configured in a preferred embodiment as: the outer side of the fixed side cover is fixedly connected with an opening and closing fixing component, the movable side cover is fixedly connected with a limiting column, and the end part of the limiting column is provided with a notch; when the breach of spacing post corresponds with the fixed subassembly that opens and shuts, the fixed subassembly that opens and shuts has the output and can insert in the breach.
Through adopting above-mentioned technical scheme, the cooperation of opening and shutting fixed subassembly and spacing post can be comparatively convenient opening of restriction activity side cap, and it is comparatively convenient to use.
The present invention may be further configured in a preferred embodiment as: the opening and closing fixing assembly comprises a sleeve with a hollow columnar structure, an inserting column vertically penetrating through the sleeve, and a spring with one end abutting against the sleeve and the other end abutting against the inserting column.
Through adopting above-mentioned technical scheme, insert the post elasticity and stretch out, it is comparatively convenient to operate.
The present invention may be further configured in a preferred embodiment as: the plug is characterized in that one end of the plug above the sleeve is fixedly connected with a limiting baffle, one end of the plug below the sleeve is fixedly connected with a pushing baffle, the spring is sleeved on the plug, and one end of the spring is abutted against the sleeve and the other end of the spring is abutted against the pushing baffle.
Through adopting above-mentioned technical scheme, the setting that promotes the separation blade makes the promotion of spring more convenient, and spacing separation blade is in order to avoid inserting the post and break away from the sleeve downwards.
The present invention may be further configured in a preferred embodiment as: the spring is a conical spring, and the large end of the spring is abutted against the sleeve.
Through adopting above-mentioned technical scheme, the spring can provide more reliable vertical propelling movement power.
The present invention may be further configured in a preferred embodiment as: the limiting column is located at the limit position where the hook rotates downwards.
Through adopting above-mentioned technical scheme, spacing post can avoid the activity locking piece to take place excessive rotation, and then presss from both sides and hinder wire rope.
The present invention may be further configured in a preferred embodiment as: and the fixed side cover is provided with a support hole for the end part of the limit column to penetrate out.
Through adopting above-mentioned technical scheme, the cooperation of holding hole and spacing post all makes anti-falling device can be better bear human weight.
To sum up, the utility model discloses a following at least one useful technological effect:
1. compared with the prior art, the fixed locking block is provided with the first arc-shaped boss and the first inclined plane, the movable locking block is correspondingly provided with the second arc-shaped boss and the second inclined plane, the clamping area is larger during clamping, a necking type clamping mode is adopted, the clamping effect is better, and the use is more reliable;
2. through setting up spacing post, can avoid the activity locking piece to take place excessive rotation, protected wire rope.
Drawings
FIG. 1 is a schematic view of a fall arrest device for use on a wireline in an open position.
FIG. 2 is an exploded view of the fall arrest device used on a wireline.
Fig. 3 is a schematic structural view of the rotating shaft.
Fig. 4 is a schematic structural view of the opening and closing fixing assembly.
In the figure, 1, a side cover; 10. fixing the side cover; 100. a support hole; 101. a hole of abdication; 11. a movable side cover; 110. a limiting column; 1100. a notch; 12. rotating the connecting piece; 120. rotating the support; 121. a folding rotating shaft; 122. a shaft sleeve; 2. fixing the locking block; 20. a first arc-shaped boss; 21. a first inclined surface; 22. a guide groove; 3. a movable locking block; 30. a second arc-shaped boss; 31. a second inclined surface; 4. rotating the rotating shaft; 40. a prismatic bar; 41. a polish rod; 42. an auxiliary strut; 43. a first convex edge; 44. a second convex edge; 5. hooking; 6. the opening and closing fixing component; 60. a sleeve; 61. inserting a column; 610. pushing the blocking piece; 611. a limiting baffle plate; 62. a spring.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 and 2, the anti-falling device for a steel wire rope disclosed by the present invention comprises a side cover 1, a fixed locking block 2 fixedly connected to the side cover 1, a movable locking block 3 rotatably supported on the side cover 1 and relatively matched with the fixed locking block 2, and a hook 5 fixedly connected to the movable locking block 3; the first arc-shaped bosses 20 are arranged on one surface of the fixed locking block 2 opposite to the movable locking block 3 at intervals along the vertical direction, the middle part of one side of the first arc-shaped boss 20 opposite to the movable locking block 3 is inclined inwards and sunken, and the middle part and two ends are in arc transition to form a first inclined surface 21; second arc-shaped bosses 30 are arranged on one surface, opposite to the fixed locking block 2, of the movable locking block 3 at intervals in the vertical direction, the first arc-shaped bosses 20 and the second arc-shaped bosses 30 are arranged opposite to each other in the horizontal direction, the middle part of one side, opposite to the fixed locking block 2, of each second arc-shaped boss 30 is inclined inwards and sunken and is in arc transition with two ends to form a second inclined surface 31, and the first inclined surface 21 and the second inclined surface 31 form a vertical necking structure; when the hook 5 moves downwards, the upper end of the movable locking block 3 moves towards the direction far away from the fixed locking block 2, and the lower end moves towards the direction close to the fixed locking block 2.
When in use, the steel wire rope is placed between the fixed locking block 2 and the movable locking block 3, and the hanging ring of the safety belt on the body of a human body is hung on the hook 5; when climbing, the anti-falling device is supported by hands at intervals to be adjusted upwards; when falling danger occurs, the safety belt on the human body pulls the hook 5 downwards, so that the lower end of the movable locking block 3 moves towards the direction close to the fixed locking block 2, the necking structure formed by the first inclined surface 21 and the second inclined surface 31 at the lower end is reduced, the steel wire rope is clamped, and the human body is hung. Compared with the prior art, the fixed locking block 2 is provided with the first arc-shaped boss 20 and the first inclined plane 21, the movable locking block 3 is correspondingly provided with the second arc-shaped boss 30 and the second inclined plane 31, the clamping area is larger during clamping, the clamping mode is a necking type clamping mode, the clamping effect is better, and the use is more reliable.
The upper part of the fixed locking block 2 is fixedly connected with a guide groove 22, the axis of the guide groove 22 is vertically arranged, and the groove bottom and the fixed locking block 2 are in smooth transition. The guide groove 22 can guide the falling-prevention device to slide on the steel wire rope, so that the falling-prevention device can slide more smoothly.
Referring to fig. 1 and 2, the side cover 1 includes a fixed side cover 10, and a movable side cover 11 connected to the fixed side cover 10 by a rotary connector 12. The fixed side cover 10 is a right-angle plate, and the vertical axis of the fixed locking block 2 is parallel to the boundary line of the two plate surfaces of the fixed side cover 10 and is fixedly connected to one surface of the inner side of the fixed side cover 10 through a countersunk head screw. The rotating connecting piece 12 comprises a plurality of rotating supports 120 which are arranged coaxially in the vertical direction, a folding rotating shaft 121 which is fixedly connected between the rotating supports 120, and a shaft sleeve 122 which is sleeved on the folding rotating shaft 121; the rotating support 120 and the fixed lock block 2 are fixed on the same plate and are disposed opposite to the other plate of the fixed side cover 10 with the fixed lock block 2 as the center. The movable side cover 11 is plate-shaped, and one side thereof is fixedly connected with the shaft sleeve 122.
Referring to fig. 2 and 3, the movable side cover 11 is rotatably supported by a rotary shaft 4. The rotating shaft 4 comprises a prismatic rod 40, a polish rod 41 coaxially and fixedly connected with one end of the prismatic rod 40, an auxiliary strut 42 coaxially and fixedly connected with the other end of the prismatic rod 40, a second convex edge 44 fixedly connected with the free end of the polish rod 41, and a first convex edge 43 fixedly connected with the auxiliary strut 42 and close to one end of the prismatic rod 40; the second convex edge 44 is a circular plate and has a diameter larger than that of the polish rod 41; the first flange 43 is a circular plate and has a diameter greater than that of the auxiliary strut 42.
The movable locking block 3 is provided with a prismatic hole matched with the prismatic rod 40, and the movable side cover 11 is provided with a unthreaded hole matched with the polished rod 41. One side of the hook 5 corresponding to the movable locking block 3 is provided with a U-shaped clamping opening, a prismatic hole matched with the prismatic rod 40 penetrates through the U-shaped clamping opening, and the part of the movable locking block 3 matched with the prismatic rod 40 is positioned in the U-shaped clamping opening. The first ledge 43 and the second ledge 44 cooperate to limit the axial play of the hook 5 and the movable lock block 3. Offer the hole of stepping down 101 on fixed side cap 10, auxiliary strut 42 keeps away from the one end circular arc transition of first protruding edge 43, and when activity side cap 11 rotated to when relative with a face of fixed side cap 10, auxiliary strut 42 supported in the hole of stepping down 101, fixed side cap 10 also can play the supporting role to the 4 tip of rotation shaft like this, made the atress ability of rotation shaft 4 better.
A limiting column 110 for limiting the downward rotation of the hook 5 to the limit position is fixedly connected to the lower part of the movable side cover 11, and when the hook 5 rotates downward to the limit position, the limiting column 110 is abutted against the lower side of the hook 5. The one end circular arc transition that the activity side cap 11 was kept away from to spacing post 110 offers the supported hole 100 that supplies spacing post 110 to pass on fixed side cap 10, and fixed side cap 10 also can play the supporting role to spacing post 110 like this, makes spacing post 110's atress ability better.
An opening and closing fixing component 6 is fixedly connected to the outer side of the fixed side cover 10, and a notch 1100 is formed in the end part of the limiting column 110; when the position-limiting post 110 penetrates out of the fixed side cover 10, the opening/closing fixing component 6 has an output end and can be inserted into the notch 1100, thereby limiting the opening of the movable side cover 11.
Referring to fig. 2 and 4, the opening/closing fixing assembly 6 includes a sleeve 60 having a hollow cylindrical structure, an insertion post 61 vertically penetrating the sleeve 60, and a spring 62 having one end abutting on the sleeve 60 and the other end abutting on the insertion post 61. A limit stop piece 611 is fixed to one end of the plug 61 above the sleeve 60, and a push stop piece 610 is fixed to one end of the plug below the sleeve 60. The spring 62 is a conical spring, which is sleeved on the insertion post 61, and has a larger end abutting against the sleeve 60 and the other end abutting against the pushing stopper 610.
The implementation principle of the embodiment is as follows: when the locking device is used, the inserting column 61 is pulled to enable the end part of the inserting column to be separated from the notch 1100, then the movable side cover 11 is rotated to be opened, the fixed locking block 2 is attached to the steel wire rope, then the movable side cover 11 is rotated to be closed, and the inserting column 61 is inserted into the notch 1100 again; the hook 5 is lifted slightly to keep the fixed locking block 2 and the movable locking block 3 parallel, and at the moment, the space between the fixed locking block 2 and the movable locking block 3 is slightly larger than the diameter of a steel wire rope, so that a worker can slide the anti-falling device upwards; when falling danger occurs, the safety belt on the human body pulls the hook 5 downwards, so that the lower end of the movable locking block 3 moves towards the direction close to the fixed locking block 2, the necking structure formed by the first inclined surface 21 and the second inclined surface 31 at the lower end is reduced, the steel wire rope is clamped, and the human body is hung.
The limiting column 110 can prevent the movable locking block 3 from excessively rotating so as to clamp and damage the steel wire rope; the support holes 100, the abdicating holes 101, the auxiliary support rod 42 and the limiting columns 110 are matched to enable the anti-falling device to better bear the weight of a human body.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (10)
1. The utility model provides a be used in anti-falling device on wire rope which characterized in that: comprises a side cover (1), a fixed locking block (2) fixedly connected on the side cover (1), a movable locking block (3) rotatably supported on the side cover (1) and relatively matched with the fixed locking block (2), and a hook (5) fixedly connected on the movable locking block (3); one surface of the fixed locking block (2) opposite to the movable locking block (3) is provided with first arc-shaped bosses (20) at intervals along the vertical direction, the middle part of one side of the first arc-shaped bosses (20) opposite to the movable locking block (3) inclines inwards to be sunken, and the middle part and two ends are in arc transition to form a first inclined surface (21); second arc-shaped bosses (30) are arranged on one surface, opposite to the fixed locking block (2), of the movable locking block (3) at intervals along the vertical direction, the first arc-shaped bosses (20) and the second arc-shaped bosses (30) are arranged oppositely in the horizontal direction, the middle part of one side, opposite to the fixed locking block (2), of each second arc-shaped boss (30) inclines inwards to be sunken, and is in arc transition with two ends to form a second inclined surface (31), and the first inclined surface (21) and the second inclined surface (31) form a vertical necking structure; when the hook (5) moves downwards, the upper end of the movable locking block (3) moves towards the direction far away from the fixed locking block (2), and the lower end moves towards the direction close to the fixed locking block (2).
2. A fall arrest device for use on a wireline, according to claim 1, characterised in that: the upper portion of fixed locking piece (2) is rigid coupling has guiding groove (22), and the axis vertical setting of guiding groove (22) and tank bottom and fixed locking piece (2) smooth transition.
3. A fall arrest device for use on a wireline, according to claim 1, characterised in that: the side cover (1) comprises a fixed side cover (10) and a movable side cover (11) which is rotationally connected with the fixed side cover (10); the fixed side cover (10) is a right-angle plate, and the vertical axis of the fixed locking block (2) is parallel to the boundary line of the two plate surfaces of the fixed side cover (10) and is fixedly connected to one surface of the inner side of the fixed side cover (10); the movable locking block (3) is rotatably supported on the movable side cover (11).
4. A fall arrest device for use on a wireline, according to claim 3, characterised in that: a rotary connecting piece (12) is arranged between the fixed side cover (10) and the movable side cover (11); the rotating connecting piece (12) comprises a plurality of rotating supports (120) which are arranged coaxially in the vertical direction, a folding rotating shaft (121) which is fixedly connected between the rotating supports (120), and a shaft sleeve (122) which is sleeved on the folding rotating shaft (121); the rotating support (120) and the fixed locking block (2) are fixedly connected on the same plate surface and are arranged opposite to the other plate surface of the fixed side cover (10) by taking the fixed locking block (2) as the center; the movable side cover (11) is plate-shaped, and one side of the movable side cover is fixedly connected with the shaft sleeve (122).
5. A fall arrest device for use on a wireline, according to claim 3, characterised in that: an opening and closing fixing component (6) is fixedly connected to the outer side of the fixed side cover (10), a limiting column (110) is fixedly connected to the movable side cover (11), and a notch (1100) is formed in the end portion of the limiting column (110); when the notch (1100) of the limiting column (110) corresponds to the opening and closing fixing component (6), the opening and closing fixing component (6) is provided with an output end and can be inserted into the notch (1100).
6. A fall arrest device for use on a wireline, according to claim 5, characterised in that: the opening and closing fixing assembly (6) comprises a sleeve (60) with a hollow columnar structure, an inserting column (61) vertically penetrating through the sleeve (60), and a spring (62) with one end abutted to the sleeve (60) and the other end abutted to the inserting column (61).
7. A fall arrest device for use on a wireline, according to claim 6, characterised in that: the plug column (61) is fixedly connected with a limiting stop piece (611) at one end above the sleeve (60), a pushing stop piece (610) is fixedly connected at one end below the sleeve (60), the spring (62) is sleeved on the plug column (61), one end of the spring abuts against the sleeve (60) and the other end of the spring abuts against the pushing stop piece (610).
8. A fall arrest device for use on a wireline, according to claim 7, characterised in that: the spring (62) is a conical spring (62), and the large end of the spring is abutted against the sleeve (60).
9. A fall arrest device for use on a wireline, according to claim 5, characterised in that: the limiting column (110) is located at the limit position where the hook (5) rotates downwards.
10. A fall arrest device for use on a wireline, according to claim 9, characterised in that: and a support hole (100) for the end part of the limit column (110) to penetrate out is formed in the fixed side cover (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020551272.1U CN212416722U (en) | 2020-04-14 | 2020-04-14 | Anti-falling device used on steel wire rope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020551272.1U CN212416722U (en) | 2020-04-14 | 2020-04-14 | Anti-falling device used on steel wire rope |
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| Publication Number | Publication Date |
|---|---|
| CN212416722U true CN212416722U (en) | 2021-01-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020551272.1U Active CN212416722U (en) | 2020-04-14 | 2020-04-14 | Anti-falling device used on steel wire rope |
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| CN (1) | CN212416722U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116510199A (en) * | 2023-06-28 | 2023-08-01 | 江苏锐金钢丝绳索具有限公司 | Connecting device of steel wire rope |
-
2020
- 2020-04-14 CN CN202020551272.1U patent/CN212416722U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116510199A (en) * | 2023-06-28 | 2023-08-01 | 江苏锐金钢丝绳索具有限公司 | Connecting device of steel wire rope |
| CN116510199B (en) * | 2023-06-28 | 2023-09-08 | 江苏锐金钢丝绳索具有限公司 | Connecting device of steel wire rope |
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