CN212406564U - Safety device of iron tower ladder stand - Google Patents
Safety device of iron tower ladder stand Download PDFInfo
- Publication number
- CN212406564U CN212406564U CN202020500905.6U CN202020500905U CN212406564U CN 212406564 U CN212406564 U CN 212406564U CN 202020500905 U CN202020500905 U CN 202020500905U CN 212406564 U CN212406564 U CN 212406564U
- Authority
- CN
- China
- Prior art keywords
- square box
- groove
- clamping piece
- friction clamping
- cavity
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Ladders (AREA)
Abstract
The utility model discloses a safety device of an iron tower ladder stand, which comprises a first square box and a second square box which are arranged side by side in a mirror image manner, wherein the side surfaces of the first square box and the second square box are respectively provided with a fastener, and the fastener of the first square box is connected with the fastener of the second square box through a locking connecting rod; first party's box includes the square box body, cubic friction clamping piece of side and the cubic pressure application spare of trapezoidal, open flutedly on the right side of first square box, first party's box is opened from its bottom has square cavity, the cavity communicates with each other with the recess, the friction clamping piece is located in the cavity, the right side of friction clamping piece extends to in the recess, the left side of friction clamping piece is located to the pressure application spare, both sides are equipped with horizontal spout around the friction clamping piece, the inner wall of cavity is equipped with the horizontal draw runner that corresponds, the friction clamping piece left side is equipped with the pressurized inclined plane, the right side of pressure application spare is equipped with the corresponding inclined plane of exerting pressure, be equipped with the hanging hole on. The method has the advantages of simple operation, high efficiency, no risk and little harm to human bodies and safety ropes.
Description
Technical Field
The utility model relates to a building field especially relates to a safeties of iron tower cat ladder.
Background
Need the workman to climb up the iron tower through the cat ladder during electric power iron tower maintenance, the in-process workman of climbing can hang the safety rope between the waist on the cat ladder, take off it after climbing a section distance, upward hang again, so operate repeatedly, not only troublesome, inefficiency, the time quantum that does not tie the safety rope exists moreover, in addition in case the miss falls, the safety rope that does not have the buffer process can produce very big tension in the twinkling of an eye of holding the human body, probably produces harm to human body or safety rope.
SUMMERY OF THE UTILITY MODEL
To the above problem, the utility model provides a safety device of iron tower cat ladder has easy operation, and is efficient, risk-free, advantage little to human body and safety rope's harm.
The technical scheme of the utility model is that:
a safety device of an iron tower ladder comprises a first square box and a second square box which are arranged side by side, wherein fasteners are arranged on the side surfaces of the first square box and the second square box, and the fastener of the first square box is connected with the fastener of the second square box through a locking connecting rod; the first square box comprises a square box body, a square block-shaped friction clamping piece and a trapezoid block-shaped pressing piece, a groove is arranged on one side surface of the first square box facing the second square box, a square cavity is arranged at the bottom of the first square box, the cavity is communicated with the groove, the friction clamping piece is arranged in the cavity, one side surface of the friction clamping piece facing the groove extends into the groove, the pressing piece is arranged on the other opposite side surface of the friction clamping piece, a horizontal sliding groove is arranged on the side surface of the friction clamping piece facing the groove, a horizontal sliding strip corresponding to the horizontal sliding groove is arranged on the inner wall of the cavity, a pressed inclined plane is arranged on one side of the friction clamping piece facing the pressing piece, one side of the pressing piece facing the friction clamping piece is provided with a corresponding pressing inclined plane, and the outer surface of the pressing piece is provided with a hanging hole; the second cube has a mirrored configuration relative to the first cube.
The working principle of the technical scheme is as follows:
the ladder stand is characterized in that a first square box is arranged at a left side vertical rod of the ladder stand, a groove of the first square box is aligned with the left side vertical rod, a groove of a second square box is aligned with a right side vertical rod, the first square box, a locking rod and the second square box surround the ladder stand by erecting the locking rod at a fastener, and then a rope is hung on a hanging hole;
in the climbing process, the safety device climbs along with climbing of a person, when the safety device is accidentally dropped, the rope pulls the pressing piece downwards through the hanging hole of the first square box, the pressing inclined plane of the pressing piece pushes the friction clamping piece to the right due to the fact that the left side of the pressing piece is pressed against the inner wall of the cavity, the friction clamping piece can only move to the right due to the limiting of the horizontal sliding groove and is tightly attached to the left vertical rod of the ladder stand, the working principle of the second square box is the same, the safety device and the ladder stand are always connected in the whole climbing process and do not need to be detached, and the safety device is simple in operation, high in efficiency and free of falling risk;
the speed that the human body falls among the whereabouts process is constantly increaseing, and when the friction clamping piece just contacted the montant of cat ladder, frictional force is less, and the tension of rope is also little, but the tension of rope is big more, and the friction clamping piece presss from both sides tight more, then in the in-process that falls, can slide one section distance earlier, then along with frictional force and the tensile increase of rope and stop the whereabouts gradually, has slowed down the impact to human body and rope, has promoted the security.
In a further technical scheme, a through groove extending to the cavity is formed in one side face, far away from the second square box, of the first square box, the width of the through groove is smaller than that of the cavity, and the hanging hole is formed in one side face, facing the through groove, of the pressing piece.
If establish the hanging hole in the casting die bottom, thus in the in-process of climbing, thereby the rope can draw safeties to the slope and lead to it to block, and the hanging hole is located safeties's both sides, can prevent that it from blocking on the cat ladder.
In a further technical scheme, a vertical sliding groove is formed in one side face, facing the through groove, of the pressing piece, the radial section of the vertical sliding groove is in a convex shape, the smaller end of the vertical sliding groove faces the through groove, a sliding block matched with the vertical sliding groove in shape is arranged in the vertical sliding groove, and the hanging hole is fixedly connected with the sliding block.
When climbing, the slider can be pulled to the top of vertical spout by the rope to make its pulling point be located more than the horizontal plane at safeties's focus place, the card can not appear and pause, when the condition that the disappearance falls, the slider can be pulled to the bottom of vertical spout by the rope, makes the angle of buckling of the rope under the equal length littleer, and the department of buckling atress is littleer, and the rope is littleer by the risk of breaking.
In a further technical scheme, fillets are formed on the top and bottom edges of one side, provided with the through groove, of the first square box and the second square box.
The edge that will contact with the rope fillets has solved the technical problem that the rope rubs the edge repeatedly and leads to damaging when climbing process or falling.
In a further aspect, a side of the friction clamping member facing the groove is provided with a wear resistant rubber layer.
The wear-resisting rubber layer can increase frictional force, has solved the technical problem that the frictional force between the in-process friction clamping piece and the cat ladder that falls inadequately leads to the device to become invalid.
The utility model has the advantages that:
1. in the climbing process, the safety device climbs along with climbing of a person, when falling accidentally, the rope pulls the pressing piece downwards through the hanging hole of the first square box, the pressing inclined plane of the pressing piece pushes the friction clamping piece to the right due to the fact that the left side of the pressing piece is abutted to the inner wall of the cavity, the friction clamping piece can only move to the right due to the limiting of the horizontal sliding groove and is tightly attached to the left vertical rod of the ladder stand, the working principle of the second square box is the same, the safety device and the ladder stand are always connected in the whole climbing process and do not need to be dismounted, the safety device is simple to operate and high in efficiency, falling risks do not exist, falling is gradually stopped along with the increase of friction and rope tension in the falling process, impact on a human body and the rope is relieved, and safety is improved;
2. if the hanging holes are formed in the bottom of the pressing piece, the safety device can be pulled to be inclined by the rope in the climbing process so as to be clamped, and the hanging holes are formed in the two sides of the safety device so as to be prevented from being clamped on the ladder stand;
3. when climbing, the sliding block is pulled to the top of the vertical sliding groove by the rope, so that the pulling point of the sliding block is positioned above the horizontal plane where the gravity center of the safety device is positioned, the clamping cannot occur, and when the sliding block is in a foot-losing falling state, the sliding block is pulled to the bottom of the vertical sliding groove by the rope, so that the bending angle of the rope under the same length is smaller, the stress of the bending part is smaller, and the risk that the rope is broken by pulling is smaller;
4. the edge contacted with the rope is rounded, so that the technical problem of damage caused by repeated friction of the rope on the edge in the climbing process or falling is solved;
5. the wear-resisting rubber layer can increase frictional force, has solved the technical problem that the frictional force between the in-process friction clamping piece and the cat ladder that falls inadequately leads to the device to become invalid.
Drawings
Fig. 1 is a three-dimensional structure diagram of a safety device of an iron tower ladder stand according to embodiment 1 of the present invention;
fig. 2 is a front view of a safety device of an iron tower ladder stand according to embodiment 1 of the present invention;
fig. 3 is a top view of a safety device of an iron tower ladder stand according to embodiment 1 of the present invention;
FIG. 4 is a cross-sectional view of section A-A of FIG. 3;
fig. 5 is a half-sectional view of the first square box according to embodiment 1 of the present invention;
fig. 6 is a perspective view of a pressing member according to embodiment 1 of the present invention;
fig. 7 is a perspective view of the friction clamping member according to embodiment 1 of the present invention;
fig. 8 is a split view of a safety device of an iron tower ladder stand according to embodiment 1 of the present invention;
fig. 9 is a partially assembled view of a safety device of an iron tower ladder stand according to embodiment 1 of the present invention;
fig. 10 is a three-dimensional structure diagram of a safety device of an iron tower ladder stand according to embodiment 2 of the present invention;
fig. 11 is a perspective view of a pressing member according to embodiment 3 of the present invention;
fig. 12 is a three-dimensional structure diagram of a safety device of an iron tower ladder stand according to embodiment 4 of the present invention;
fig. 13 is a perspective view of a friction clamp according to embodiment 5 of the present invention.
Description of reference numerals:
10. a first square box; 11. a square box body; 12. a friction clamp; 121. a horizontal chute; 122. a pressure ramp; 123. a wear-resistant rubber layer; 13. applying a pressing piece; 131. hanging holes; 132. a pressure application inclined plane; 133. a vertical chute; 134. a slider; 14. a groove; 15. a horizontal slider; 16. a cavity; 17. a through groove; 20. a second square box; 30. a fastener; 40. the link is locked.
Detailed Description
The embodiments of the present invention will be further explained with reference to the drawings.
Example 1:
as shown in fig. 1 to 9, a safety device for a ladder stand of an iron tower comprises a first square box 10 and a second square box 20 which are arranged in a mirror image manner by taking the ladder stand 50 as a center, wherein the first square box 10 is arranged on the left side of the ladder stand 50, the second square box 20 is arranged on the right side of the ladder stand 50, fasteners 30 are respectively arranged in front of and behind the first square box 10 and the second square box 20, the fastener 30 of the first square box 10 and the fastener 30 of the second square box 20 are connected through a front locking connecting rod 40 and a rear locking connecting rod 40 which are respectively arranged on the ladder stand 50, so that the ladder stand 50 is surrounded by the first square box 10, a locking rod, the second square box 20 and another locking rod; the first square box 10 comprises a square box body 11, a square block-shaped friction clamping piece 12 and a trapezoid block-shaped pressing piece 13, wherein a side surface of the first square box 10 facing the second square box 20 is provided with a groove 14, the bottom of the first square box 10 is provided with a square cavity 16, the cavity 16 is communicated with the groove 14, the friction clamping piece 12 is arranged in the cavity 16, the right end of the friction clamping piece 12 is flush with the bottom of the groove 14 or extends into the groove 14, the pressing piece 13 is arranged at the left end of the friction clamping piece 12, the front and the back of the friction clamping piece 12 are respectively provided with a horizontal sliding chute 121, the inner wall of the cavity 16 is provided with a horizontal sliding strip 15 corresponding to the horizontal sliding chute 121, the thickness of the pressing piece 13 is smaller than the distance between the horizontal sliding strips 15 between the two inner walls of the cavity 16, so that the pressing piece 13 can move downwards without obstruction, the left upper corner of the friction clamping piece 12 is provided with a pressing inclined surface, the bottom of the pressing member 13 is provided with a hanging hole 131.
The working principle of the technical scheme is as follows:
the first square box 10 is firstly arranged at the left side vertical rod of the ladder stand 50, the groove 14 of the first square box is aligned with the left side vertical rod, meanwhile, the groove 14 of the second square box 20 is aligned with the right side vertical rod, the locking rod is erected at the fastener 30, and then the rope is hung on the hanging hole 131;
in the climbing process, the safety device climbs along with the climbing of a person, when the person accidentally falls, the rope pulls the pressing part 13 downwards through the hanging hole 131 of the first square box 10, the pressing inclined plane 132 of the pressing part 13 pushes the friction clamping part 12 to the right due to the fact that the left side of the pressing part 13 is pressed against the inner wall of the cavity 16, the friction clamping part 12 only can move to the right due to the limiting of the horizontal sliding groove 121 and clings to the left vertical rod of the ladder stand 50, the working principle of the second square box 20 is the same, the safety device and the ladder stand 50 are always connected in the whole climbing process without being detached, and the safety device is simple to operate, high in efficiency and free of falling risk;
the speed that the human body falls in the whereabouts in-process is constantly increaseing, and when friction clamping piece 12 just contacted the montant of cat ladder 50, frictional force is less, and the tension of rope is also little, but the tension of rope is big more, and friction clamping piece 12 presss from both sides tighter more, then in the in-process that falls, can slide one section distance earlier, then along with frictional force and the tensile increase of rope and stop the whereabouts gradually, has slowed down the impact to human body and rope, has promoted the security.
Example 2:
as shown in fig. 10, compared with embodiment 1, the following technical solutions are also included:
a side surface of the first square box 10 far away from the second square box 20 is provided with a through groove 17 extending to the pressing member 13, the width of the through groove 17 is smaller than the thickness of the pressing member 13, and the hanging hole 131 is arranged on a side surface of the pressing member 13 facing the through groove 17.
If the hanging hole 131 is formed at the bottom of the pressing member 13, the safety device is inclined by the rope during climbing to be caught, and the hanging hole 131 is formed at both sides of the safety device to prevent the safety device from being caught on the ladder stand 50.
Example 3:
as shown in fig. 11, compared with embodiment 2, the following technical solutions are also included:
the left side of the pressing piece 13 is provided with a vertical chute 133, the radial section of the vertical chute 133 is in a shape like a Chinese character 'tu', the smaller end of the vertical chute 133 is provided with an opening, a sliding block 134 matched with the vertical chute 133 in shape is arranged in the vertical chute 133, and the hanging hole 131 is fixedly connected with the sliding block 134.
When climbing, slider 134 can be pulled to the top of vertical spout 133 by the rope to make its traction point be located more than the horizontal plane at safeties's focus place, the card can not appear dunking, when the condition that the disappearance falls, slider 134 can be pulled to the bottom of vertical spout 133 by the rope, makes the angle of buckling of the rope under the equal length littleer, and the department of buckling atress is littleer, and the rope is drawn disconnected risk littleer.
Example 4:
as shown in fig. 12, compared with embodiment 3, the following technical solutions are also included:
the edges of the first square box 10 and the second square box 20 contacting with the rope, namely, the upper left edge, the lower left edge, the upper right edge and the lower right edge, are rounded.
The edge that will contact with the rope fillets has solved the technical problem that the rope rubs the edge repeatedly and leads to damaging when climbing process or falling.
Example 5:
as shown in fig. 13, compared with embodiment 4, the following technical solutions are also included:
the right side of the friction clamp 12 is provided with a wear-resistant rubber layer 123.
Wear-resisting rubber layer 123 can increase frictional force, has solved the technical problem that the device became invalid because of the insufficient frictional force of the in-process that falls.
The above-mentioned embodiments only express the specific embodiments of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.
Claims (5)
1. The safety device for the iron tower ladder is characterized by comprising a first square box and a second square box which are arranged side by side, wherein fasteners are arranged on the side surfaces of the first square box and the second square box, and the fastener of the first square box is connected with the fastener of the second square box through a locking connecting rod; the first square box comprises a square box body, a square block-shaped friction clamping piece and a trapezoid block-shaped pressing piece, a groove is arranged on one side surface of the first square box facing the second square box, a square cavity is arranged at the bottom of the first square box, the cavity is communicated with the groove, the friction clamping piece is arranged in the cavity, one side surface of the friction clamping piece facing the groove extends into the groove, the pressing piece is arranged on the other opposite side surface of the friction clamping piece, a horizontal sliding groove is arranged on the side surface of the friction clamping piece facing the groove, a horizontal sliding strip corresponding to the horizontal sliding groove is arranged on the inner wall of the cavity, an upward inclined pressing surface is arranged on one side of the friction clamping piece facing the pressing piece, one side of the pressing piece facing the friction clamping piece is provided with a corresponding pressing inclined plane, and the outer surface of the pressing piece is provided with a hanging hole; the second cube has a mirrored configuration relative to the first cube.
2. The safety device for the iron tower ladder stand as claimed in claim 1, wherein a side surface of the first square box far away from the second square box is provided with a through groove extending to the cavity, the width of the through groove is smaller than that of the cavity, and the hanging hole is formed in a side surface of the pressing member facing the through groove.
3. The safety device for the iron tower ladder stand according to claim 2, wherein a vertical sliding groove is formed in one side surface of the pressing member facing the through groove, the radial cross section of the vertical sliding groove is in a shape like a Chinese character 'tu', the smaller end of the vertical sliding groove faces the through groove, a sliding block matched with the vertical sliding groove in shape is arranged in the vertical sliding groove, and the hanging hole is fixedly connected with the sliding block.
4. The safety device for the iron tower ladder stand as claimed in claim 3, wherein the top and bottom edges of the sides of the first square box and the second square box, which are provided with the through grooves, are rounded.
5. A safety device for a ladder stand according to claim 4, characterised in that the friction clamp is provided with a wear resistant rubber layer on the side facing the recess.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020500905.6U CN212406564U (en) | 2020-04-08 | 2020-04-08 | Safety device of iron tower ladder stand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020500905.6U CN212406564U (en) | 2020-04-08 | 2020-04-08 | Safety device of iron tower ladder stand |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212406564U true CN212406564U (en) | 2021-01-26 |
Family
ID=74370935
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020500905.6U Active CN212406564U (en) | 2020-04-08 | 2020-04-08 | Safety device of iron tower ladder stand |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212406564U (en) |
-
2020
- 2020-04-08 CN CN202020500905.6U patent/CN212406564U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4082241A (en) | Chock for mountain climbing | |
| CN212406564U (en) | Safety device of iron tower ladder stand | |
| CN107204540A (en) | A kind of cleaner | |
| EP1854511A1 (en) | Safety anchor for climbing | |
| CN211145077U (en) | Lockable novel shackle | |
| USRE32847E (en) | Wedge-type rope socket connection and method | |
| CN211998429U (en) | Prefabricated component hoisting device for urban construction building | |
| CN209924547U (en) | Ribbon beautifies communication tower | |
| CN212775374U (en) | Wedge-shaped rope fastener | |
| CN210286391U (en) | Tension adjusting device for elevator traction steel wire rope | |
| CN210929918U (en) | Quick-opening zipper | |
| CN209008530U (en) | A kind of life-saving hamer | |
| CN210911369U (en) | Rope threading device for packaging bag | |
| CN208144604U (en) | A kind of injection molding square | |
| CN111697489A (en) | Self-sealing head following pulley | |
| CN218485028U (en) | Falling protector | |
| CN213636478U (en) | Power line connecting interface | |
| CN220201127U (en) | Stainless steel bar convenient to carry | |
| CN211215051U (en) | Hydraulic door opener | |
| CN212489160U (en) | Hidden rail buffer | |
| US2262810A (en) | Pickup device for piles | |
| CN212392584U (en) | Self-sealing heel pulley | |
| CN221104994U (en) | Pull head capable of preventing rope from falling out | |
| CN210299786U (en) | Firm safety button | |
| CN214424859U (en) | Screw pin |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |