CN220201242U - Safety escape ladder for tower crane - Google Patents
Safety escape ladder for tower crane Download PDFInfo
- Publication number
- CN220201242U CN220201242U CN202321744752.XU CN202321744752U CN220201242U CN 220201242 U CN220201242 U CN 220201242U CN 202321744752 U CN202321744752 U CN 202321744752U CN 220201242 U CN220201242 U CN 220201242U
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- tower crane
- cavity
- slide
- escape ladder
- rope
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- 230000007246 mechanism Effects 0.000 claims abstract description 9
- 238000013016 damping Methods 0.000 claims description 13
- 238000004804 winding Methods 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 4
- 238000010276 construction Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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- Ladders (AREA)
- Control And Safety Of Cranes (AREA)
Abstract
The utility model provides a safety escape ladder for a tower crane. The safe escape manned device comprises a sliding rail and a sliding plate which are fixedly connected with a tower crane, wherein the sliding plate is in sliding connection with the sliding rail, and a safe escape manned mechanism is arranged on the sliding plate. The utility model starts, decelerates and limits speed through the mechanical structure, ensures that escape equipment can be effectively escaped under any condition, avoids embarrassment caused by failure of electronic equipment, and simultaneously designs the non-return assembly, which can increase the effects of deceleration and speed limit, lighten the acting time of a tower crane driver, and the addition of the cushioning assembly at the final stage can also protect and cushion the safety of the driver.
Description
Technical Field
The utility model relates to an escape ladder, in particular to a safety escape ladder for a tower crane.
Background
The tower crane is the most commonly used hoisting equipment on the building site, also called tower crane, and is a raw material for construction such as steel bars, wood ridges, concrete, steel pipes and the like for hoisting construction. The tower crane is also an indispensable hoisting equipment on the construction site.
The utility model discloses a tower crane driver escape device which comprises a tower crane, an escape channel and an escape cabin, wherein the top of the tower crane is welded with the cockpit, one side of the tower crane is welded with the escape channel, the top of the escape channel is fixedly connected with the bottom of the cockpit, a chute a is arranged in the escape channel, an escape cabin fixing frame is welded at the bottom of the escape cabin, a base is welded at the bottom of the escape cabin, sliding blocks are welded at one ends of the escape cabin fixing frame and the base, and the sliding blocks are embedded in the chute a. According to the utility model, the cover plate is opened, so that workers can quickly enter the escape cabin from the passage opening, the escape cabin is arranged in the escape passage through the escape cabin fixing frame and the base, and the escape cabin can quickly descend to the ground through sliding of the sliding blocks in the sliding grooves a and b, so that the workers can quickly descend to the ground when the workers are in danger.
Through analysis, this scheme is slowed down and the speed limit through the fixer at the in-process that descends, because the environment of using appears damaging or about to collapse for the tower machine, the damage on the structure can appear to the tower machine very likely, will have the condition of circuit disconnection for electronic equipment's malfunction does not have effectual speed reduction and speed limit's function, makes the life probability of fleing decline, to above-mentioned problem, needs to improve.
Disclosure of Invention
The utility model aims to: the utility model aims to solve the technical problem of providing a safety escape ladder for a tower crane aiming at the defects of the prior art.
In order to solve the technical problems, the utility model discloses a safety escape ladder for a tower crane, which comprises a sliding rail fixedly connected with the tower crane and a sliding plate in sliding connection with the sliding rail, wherein a safety escape manned mechanism is arranged on the sliding plate, and the safety escape manned mechanism comprises: the bearing table is located the slide below, the bearing table below is equipped with buffer unit, be equipped with the seat on the bearing table, it is used for locking the slip between slide rail and the slide to peg graft on the slide to be equipped with fixed bolt, one side that the slide is close to the slide rail is equipped with first cavity, sets up brake equipment in the first cavity, the bearing table corresponds the seat the place ahead and is equipped with the bracing piece, be equipped with brake control device on the bracing piece, brake equipment and brake control device pass through the haulage rope and connect.
The brake device comprises: the brake device is characterized in that a fixed rod is arranged in the first cavity, a pulley is rotationally arranged on the fixed rod, one end of the pulley, which extends out of the sliding plate, is matched with a groove on one side of the sliding rail, a sliding rod is arranged in the first cavity, brake pads are inserted on the sliding rod in a sliding mode, the brake pads are symmetrically arranged on two sides of the pulley and are connected with traction ropes, and the brake pads clamp the pulley to finish braking when the traction ropes are tightened.
The brake control device includes: the second cavity is formed in the supporting rod, the anti-retrograde component is arranged in the second cavity, the first cavity is communicated with the inside of the second cavity, one end of the traction rope is connected with the brake device, and the other end of the traction rope extends out of the supporting rod through the anti-retrograde component in the second cavity and is fixedly connected with the handle.
The cushioning assembly includes: the damping device comprises a plurality of dampers uniformly arranged below a bearing table and damping springs corresponding to the dampers, wherein damping plates are arranged at the other ends of the dampers and the damping springs.
The anti-retrograde component comprises: the rope winding roller is rotatably arranged in the second cavity, the traction rope is wound on the rope winding roller, a ratchet wheel is arranged on one side of the rope winding roller, a pawl is arranged in the second cavity in cooperation with the ratchet wheel, an elastic sheet is fixedly arranged on the pawl, and the other end of the elastic sheet abuts against the inner side wall of the second cavity to form elastic resistance.
The seat is provided with a back cushion and armrests.
The hauling rope is a metal rope.
The fixed bolt passes through the sliding plate and is connected with the sliding rail in a plug-in manner.
The handle is a pull ring.
The slide has set firmly the guard plate, and the guard plate is located the seat top.
The beneficial effects are that:
the utility model starts, decelerates and limits speed through the mechanical structure, ensures that escape equipment can be effectively escaped under any condition, avoids embarrassment caused by failure of electronic equipment, and simultaneously designs the non-return assembly, which can increase the effects of deceleration and speed limit, lighten the acting time of a tower crane driver, and the addition of the cushioning assembly at the final stage can also protect and cushion the safety of the driver.
Drawings
The foregoing and/or other advantages of the utility model will become more apparent from the following detailed description of the utility model when taken in conjunction with the accompanying drawings and detailed description.
Fig. 1 is a front view of a safety escape ladder for a tower crane according to the present utility model.
Fig. 2 is a bottom view of a safety escape ladder for a tower crane according to the present utility model.
Fig. 3 is a rear view of a safety escape ladder for a tower crane according to the present utility model.
Fig. 4 is a schematic top view of a safety escape ladder for a tower crane according to the present utility model.
Fig. 5 is an enlarged view of the area of the brake device of a safety escape ladder for a tower crane according to the present utility model.
Fig. 6 is a schematic right-side view of a safety escape ladder for a tower crane according to the present utility model.
Fig. 7 is an enlarged view of the area of a brake control device of a safety escape ladder for a tower crane according to the present utility model.
As shown in the figure:
1. slide rail, 2, slide plate, 3, bearing platform, 4, seat, 5, fixed bolt, 6, first cavity, 7, dead lever, 8, pulley, 9, brake block, 10, haulage rope, 11, bracing piece, 12, second cavity, 13, attenuator, 14, damping spring, 15, shock-absorbing plate, 16, rope-collecting roller, 17, ratchet, 18, pawl, 19, elastic piece, 20, cushion, 21, handrail, 22, pull ring, 23, guard plate, 24, slide bar.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
A safety escape ladder for a tower crane is shown in figure 1, and comprises a sliding rail 1 and a sliding plate 2 which are fixedly connected with the tower crane, wherein the sliding plate 1 is in sliding connection with the sliding rail 2, the sliding part of the sliding rail 1, which is in sliding connection with the sliding plate 2, is I-shaped, and has better moving stability, a safety escape manned mechanism is arranged on the sliding plate 2, the safety escape manned mechanism comprises a bearing table 3 positioned below the sliding plate 2, a buffer component is arranged below the bearing table 3, a seat 4 is arranged on the bearing table 3, a fixing bolt 5 is inserted and arranged on the sliding plate 2 corresponding to the sliding rail 1, the initial position of the sliding plate 2 is positioned on the edge of an operation chamber of the tower crane, the sliding plate 2 can directly enter the bearing table 3 for escaping after opening a door conveniently, a corresponding positioning hole is also arranged on the sliding rail 1 corresponding to the fixing bolt 5 at the initial position of the sliding plate 2, the utility model provides a safe escape manned mechanism, can effectively fix slide plate 2 and whole safe escape manned mechanism, as shown in figure 4, one side of slide plate 2 near slide rail 1 is equipped with cavity one 6, cavity one 6 evenly sets up around slide plate 2, as shown in figure 5, be equipped with dead lever 7 in cavity one 6, rotate on dead lever 7 and be equipped with pulley 8, pulley 8 extends slide plate 2's one end and slide rail 1 contact each other, pulley 8 has done wear resistant treatment outward, can adapt to abrupt high-speed rotation, can obtain simultaneously with slide rail 1 stronger frictional force, the symmetry is equipped with slide bar 24 in cavity one 6, slide bar 24 is gone up to slide grafting symmetry and is equipped with brake block 9, all be equipped with haulage rope 10 on the brake block 9, as shown in figure 6, bearing table 3 is equipped with bracing piece 11 corresponding seat 4, be equipped with cavity two 12 in the bracing piece 11, cavity one 6 and cavity two 12 intercommunication each other, the cavity II 12 is internally provided with an anti-retrograde component, and the other end of the traction rope 10 extends out of the supporting rod 11 through the cavity II 12.
Further, as shown in fig. 3, the buffer assembly includes a plurality of dampers 13 uniformly disposed below the bearing table 3, a damping spring 14 is disposed below the bearing table 3 corresponding to the dampers 13, and a damping plate 15 is disposed at the other ends of the dampers 13 and the damping spring 14, as shown in fig. 2, at a moment of contacting with the ground, shock feeling caused by hard contact can be avoided, and the body of the driver is further protected.
Further, as shown in fig. 7, the anti-retrograde component includes a rope winding roller 16 rotatably disposed in the second cavity 12, the traction rope 10 is wound and connected with the rope winding roller 16, a ratchet 17 is disposed on one side of the rope winding roller 16, a pawl 18 is disposed in the second cavity 12 in cooperation with the ratchet 17, an elastic piece 19 is disposed in the second cavity 12, the elastic piece 19 is fixedly connected with the pawl 18, a non-retrograde effect is achieved by using a special structure of the ratchet 17 and the pawl 18, and a driver can keep a desired state without continuously applying a pulling force after pulling the pull ring 22.
Further, the sliding plate 2 is provided with a back cushion 20 and armrests 21 corresponding to the seat 4, and the back cushion 20 and the armrests 21 are provided with sponge cushions, so that the overall comfort and the damping effect are improved.
Further, the traction rope 10 is a metal rope, which can effectively increase the tension value and avoid the breakage of the traction rope 10.
Further, the fixed bolt 5 is connected with the sliding rail 1 in a plugging manner.
Further, a pull ring 22 is arranged at one end of the traction rope 10 extending out of the supporting rod 11, so that a driver can conveniently control the traction rope 10.
Further, a protection plate 23 is arranged above the sliding plate 2 to protect the head safety of a driver.
Working principle:
when an emergency happens, a driver directly enters the bearing table 3, sits on the seat 4, pulls out the fixing bolt 5, the sliding plate 2 starts to slide downwards by utilizing gravity, the driver holds the pull ring 22 by both hands, the descending speed is guaranteed not to be too fast and out of control, when the falling to the ground is needed, the driver pulls the pull ring 22 forcefully to drive the traction rope 10 to move, two brake blocks 9 in the first cavity 6 are close to contact with the pulley 8, the sliding plate 2 starts to be decelerated, and the descending speed of the sliding plate 2 is slowly controlled until the falling to the ground is stable.
The utility model provides a safety escape ladder for a tower crane. The above description is only of the preferred embodiments of the present utility model, and it should be noted that, for those skilled in the art, several improvements and modifications can be made without departing from the principle of the present utility model, and these improvements and modifications should also be considered as the protection scope of the present utility model. The components not explicitly described in this embodiment can be implemented by using the prior art.
Claims (10)
1. The utility model provides a safe emergency ladder for tower crane, includes slide rail (1) and slide rail (1) sliding connection's slide (2) with tower crane fixed connection, be equipped with safe manned mechanism of fleing on slide (2), its characterized in that: the safe escape manned mechanism comprises: the utility model provides a bearing platform (3) that is located slide (2) below, bearing platform (3) below is equipped with buffer unit, be equipped with seat (4) on bearing platform (3), it is used for the slip between locking slide rail (1) and slide (2) to peg graft on slide (2) to be equipped with fixed bolt (5), one side that slide (2) are close to slide rail (1) is equipped with first cavity (6), sets up brake equipment in first cavity (6), bearing platform (3) correspond seat (4) the place ahead and are equipped with bracing piece (11), be equipped with brake control device on bracing piece (11), brake equipment and brake control device pass through haulage rope (10) and connect.
2. A safety escape ladder for a tower crane according to claim 1, wherein said brake means comprises: be equipped with dead lever (7) in first cavity (6), it is equipped with pulley (8) to rotate on dead lever (7), the one end that slide (2) was extended to pulley (8) cooperates with the recess of slide rail (1) one side, be equipped with slide bar (24) in first cavity (6), slide grafting brake block (9) on slide bar (24), brake block (9) symmetry sets up in pulley both sides and all is connected with haulage rope (10), and brake block (9) clamp pulley (8) are accomplished the braking when haulage rope (10) tighten up.
3. A safety escape ladder for a tower crane according to claim 2, wherein said brake control means comprises: the novel anti-reverse brake device is characterized in that a second cavity (12) is formed in the supporting rod (11), an anti-reverse component is arranged in the second cavity (12), the first cavity (6) is communicated with the inside of the second cavity (12), one end of the traction rope (10) is connected with the brake device, and the other end of the traction rope passes through the anti-reverse component in the second cavity (12) and extends out of the supporting rod (11) to be fixedly connected with the handle.
4. A safety escape ladder for a tower crane according to claim 1, characterized in that: the cushioning assembly includes: the damping device comprises a plurality of dampers (13) uniformly arranged below a bearing table (3) and damping springs (14) corresponding to the dampers (13), wherein damping plates (15) are arranged at the other ends of the dampers and the damping springs.
5. A safety escape ladder for a tower crane according to claim 3, characterized in that: the anti-retrograde component comprises: the rope winding roller (16) arranged in the second cavity (12) is rotated, the traction rope (10) is wound on the rope winding roller (16), a ratchet wheel (17) is arranged on one side of the rope winding roller (16), a pawl (18) is arranged in the second cavity (12) in cooperation with the ratchet wheel (17), an elastic sheet (19) is fixedly arranged on the pawl (18), and the other end of the elastic sheet (19) abuts against the inner side wall of the second cavity (12) to form elastic resistance.
6. A safety escape ladder for a tower crane according to claim 1, characterized in that: the seat (4) is provided with a back cushion (20) and armrests (21).
7. A safety escape ladder for a tower crane according to claim 1, characterized in that: the hauling rope (10) is a metal rope.
8. A safety escape ladder for a tower crane according to claim 1, characterized in that: the fixed bolt (5) passes through the sliding plate (2) and is connected with the sliding rail (1) in an inserting way.
9. A safety escape ladder for a tower crane according to claim 3, characterized in that: the handle is a pull ring (22).
10. A safety escape ladder for a tower crane according to claim 1, characterized in that: the slide plate (2) is fixedly provided with a protection plate (23), and the protection plate (23) is positioned above the seat (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321744752.XU CN220201242U (en) | 2023-07-05 | 2023-07-05 | Safety escape ladder for tower crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321744752.XU CN220201242U (en) | 2023-07-05 | 2023-07-05 | Safety escape ladder for tower crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220201242U true CN220201242U (en) | 2023-12-19 |
Family
ID=89139623
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321744752.XU Active CN220201242U (en) | 2023-07-05 | 2023-07-05 | Safety escape ladder for tower crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220201242U (en) |
-
2023
- 2023-07-05 CN CN202321744752.XU patent/CN220201242U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |