CN212151418U - Tower machine lifting hook rope breakage protection device - Google Patents
Tower machine lifting hook rope breakage protection device Download PDFInfo
- Publication number
- CN212151418U CN212151418U CN202020100973.3U CN202020100973U CN212151418U CN 212151418 U CN212151418 U CN 212151418U CN 202020100973 U CN202020100973 U CN 202020100973U CN 212151418 U CN212151418 U CN 212151418U
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- Prior art keywords
- falling
- prevent
- pole
- weighing down
- support
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- 238000005303 weighing Methods 0.000 claims description 30
- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- 206010033307 Overweight Diseases 0.000 abstract description 2
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 230000002265 prevention Effects 0.000 description 4
- 230000003139 buffering effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
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Abstract
The utility model discloses a: the utility model provides a tower machine lifting hook protection device that restricts absolutely, includes load driving and lifting hook frame, the load driving sets up on the jib loading boom track of tower machine, the load driving suspends the lifting hook frame in midair at the jib loading boom track through lifting wire rope, load driving lower extreme middle part is connected and is equipped with anti-falling support, it is equipped with rotatable anti-falling dog to prevent falling support lower part symmetry, lifting hook frame upper end middle part is connected and is equipped with the deformable anti-falling pole of tip, prevent falling pole and prevent all being equipped with on the anti-falling support and push away a buffer gear. Compared with the prior art, the utility model the advantage lie in: the impact power caused by the top impact action of the anti-falling rod is absorbed by adopting two buffer plates, the volume and the weight of the hook top impact rope breaking falling device are greatly reduced, the influence of the existing high-weight anti-top impact rope breaking falling device on the hoisting performance of the tower crane is solved, and the deformation structure at the end part of the anti-falling rod can simplify the operation of restoring the original state after the top impact action of the hook, so that the efficiency is improved.
Description
Technical Field
The utility model relates to a tower crane technical field specifically indicates a tower machine lifting hook protection device that restricts absolutely.
Background
In the actual operation process of the tower crane, the situation that the lifting height limiter fails due to the fact that the height limiter is not adjusted, missed or in other situations exists, and a driver cannot stop the lifting motion of the lifting hook in time. At the moment, the top of the lifting hook device collides with the bottom of the trolley frame (also called top impact), and the lifting steel wire rope is broken due to the top impact, so that the lifting hook together with a lifted heavy object falls from a high place. In the operation of the tower crane, workers usually work below the tower crane, and once the lifting hook and the lifted heavy object fall, serious safety accidents are caused.
The vast majority of existing tower machines are not equipped with a lifting hook top-impacting rope-breaking falling device, and a small number of tower machines are equipped with similar devices, but are large in size and heavy in mass due to the fact that springs are adopted as energy storage and recovery structures, the lifting performance of the tower machine is inconvenient to use and seriously reduced, and the device is inconvenient to operate in an original state after top-impacting action.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to solve above-mentioned problem, provide a tower machine lifting hook protection device that restricts absolutely.
In order to solve the technical problem, the utility model provides a technical scheme does: the utility model provides a tower machine lifting hook protection device that restricts absolutely, includes load driving and lifting hook frame, the load driving sets up on the jib loading boom track of tower machine, the load driving suspends the lifting hook frame in midair at the jib loading boom track through lifting wire rope, load driving lower extreme middle part is connected and is equipped with anti-falling support, it is equipped with rotatable anti-falling dog to prevent falling support lower part symmetry, lifting hook frame upper end middle part is connected and is equipped with the deformable anti-falling pole of tip, prevent falling pole and prevent that the anti-falling dog cooperatees, prevent falling pole and prevent all being equipped with on the anti-falling support and push away a.
As an improvement, the anti-falling rod is of a hollow structure, semicircular baffles are symmetrically arranged inside two sides of the upper part of the anti-falling rod, a baffle limiting block is arranged below the anti-falling rod and outside the anti-falling rod, the middle part of the baffle is hinged to the inner wall of the anti-falling rod, a top column is arranged below the baffle and inside the anti-falling rod, a bolt is arranged on the right side of the top column in a threaded connection mode, a bolt hole is formed in the right side of the anti-falling rod, the upper end of the top column is matched with the lower end of the baffle, the top column is fixed after the bolt penetrates through the bolt hole, the upper end of the anti-falling rod is of a conical structure, the baffle is limited to be in a horizontal state by the top column and the baffle limiting block, the anti-falling rod breaks; when the falling prevention device needs to be recovered, the bolt is unscrewed by a tool, the top column is taken off, the baffle is screwed into the falling prevention rod, and the falling prevention rod can be taken down from the falling prevention stop block.
As the improvement, the hinge joint of the anti-falling stopper and the anti-falling support is provided with a torsional spring, the lower part of the other end of the anti-falling stopper is of a circular arc structure, the two sides of the anti-falling support are connected with anti-falling stoppers, the anti-falling stoppers can keep the anti-falling stopper horizontal, and the torsional spring can quickly restore the anti-falling stopper to the horizontal state after the anti-falling stopper is opened, so as to clamp the anti-falling rod.
As an improvement, the upper part of the anti-falling support is symmetrically provided with stand columns, the stand columns are sleeved with support buffer plates, two springs are connected between the upper ends of the support buffer plates and the anti-falling support, the springs are sleeved on the stand columns, and the support buffer plates can buffer impact between the hook frame and the anti-falling support during top impact.
As an improvement, the anti-falling rod is sleeved with an anti-falling buffer plate, a compression spring is connected between the anti-falling buffer plate and the anti-falling rod and sleeved at the lower part of the anti-falling rod, and the anti-falling buffer plate can buffer impact between the hook frame and the anti-falling support during jacking.
Compared with the prior art, the utility model the advantage lie in: the impact power caused by the top impact action of the anti-falling rod is absorbed by adopting two buffer plates, the volume and the weight of the hook top impact rope breaking falling device are greatly reduced, the influence of the existing high-weight anti-top impact rope breaking falling device on the hoisting performance of the tower crane is solved, and the deformation structure at the end part of the anti-falling rod can simplify the operation of restoring the original state after the top impact action of the hook, so that the efficiency is improved.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the anti-falling bracket and the anti-falling rod of the utility model under the cooperation use.
As shown in the figure: 1. the load crane comprises a load crane, 2, a hook frame, 3, a crane boom track, 4, a lifting steel wire rope, 5, an anti-falling bracket, 6, an anti-falling stopper, 7, an anti-falling rod, 8, a baffle, 9, a baffle limiting block, 10, a top column, 11, a bolt, 12, a bolt hole, 13, an anti-falling limiting block, 14, an upright column, 15, a bracket buffer plate, 16, a spring, 17, an anti-falling buffer plate, 18 and a compression spring.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Combine attached 1-2, a tower machine lifting hook protection device that restricts absolutely, including load driving 1 and lifting hook frame 2, load driving 1 sets up on jib loading boom track 3 of tower machine, and load driving 1 can remove at jib loading boom track 3, load driving 1 suspends jib loading boom 2 in midair at jib loading boom track 3 through lift wire rope 4, and lift wire rope 4 liftable jib loading boom frame 2 hoists, the connection of 1 lower extreme middle part of load driving is equipped with prevents weighing down support 5, prevent weighing down support 5 lower part symmetry and be equipped with rotatable dog 6 of preventing weighing down, prevent weighing down dog 6 and prevent weighing down the articulated department of support 5 and be equipped with the torsional spring, prevent weighing down dog 6's other end lower part and be circular arc structure, prevent weighing down support 5 both sides and be located 6 sub-unit connections of preventing weighing down dog and be. 2 upper end middle parts of couple frame are connected and are equipped with deformable anti-drop pole 7 of tip, prevent drop pole 7 and prevent weighing down dog 6 and cooperate, prevent drop pole 7 and be hollow structure, prevent that the inside symmetry in upper portion both sides of weighing down pole 7 is equipped with semi-circular baffle 8, it is equipped with stopper 9 to prevent that drop pole 7 outside is located baffle 8 below, the middle part of baffle 8 is articulated with 7 inner walls of preventing dropping the pole, it has fore-set 10 to be located baffle 8 in the anti-drop pole 7, and fore-set 10 right side threaded connection is equipped with bolt 11, prevent dropping pole 7 right side and be equipped with bolt hole 12, the cooperation of fore-set 10 upper end and baffle 8 lower extreme, and bolt 11 passes bolt hole 12 after-fixing fore-set 10, the upper end of preventing dropping the pole 7 is the cone structure. Prevent weighing down pole 7 and prevent weighing down and all being equipped with on the support 5 and push up buffer gear, prevent weighing down 5 upper portion symmetries of support and be equipped with stand 14, cup joint on the stand 14 and be equipped with support buffer board 15, it is equipped with two springs 16 to be connected between support buffer board 15 upper end and the anti-falling support 5, and spring 16 cup joints on stand 14, it is equipped with and prevents weighing down buffer board 17 to cup joint on the anti-falling pole 7, prevent weighing down buffer board 17 and prevent weighing down to be connected between the pole 7 and be equipped with compression spring 18, and compression spring 18 cup joints and prevents weighing down the pole 7 lower part.
The utility model discloses a theory of operation: when a heavy object is lifted by the hook frame 2 and rushes upwards, the head of the anti-falling rod 7 pushes the two anti-falling stoppers 6, the two anti-falling stoppers 6 fall back rapidly, the shoulder of the hook frame 2 is blocked by the anti-falling bracket 5, the anti-falling buffer plate 17 and the bracket buffer plate 15 can play a role in buffering, the impact energy is reduced, and if the lifting steel wire rope 4 is pulled off, the bottom of the baffle 8 of the anti-falling rod 7 falls on the anti-falling stoppers 6 rapidly, so that the hook frame 2 and the heavy object are prevented from falling. When the hook frame 2 and the heavy object need to fall down, the steel wire rope is wound again, after the steel wire rope is stressed, the bolt 11 is unscrewed by a tool, the top column 10 is taken off, the baffle plate 8 rotates inwards for 90 degrees, the anti-falling rod 7 can fall down from the position between the anti-falling stop blocks 6, and the hook frame 2 and the heavy object can fall down safely.
The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.
Claims (5)
1. The utility model provides a tower machine lifting hook protection device that restricts absolutely, includes load driving a vehicle (1) and lifting hook frame (2), its characterized in that: load driving (1) sets up on jib loading boom track (3) of tower machine, load driving (1) suspends in midair in jib loading boom track (3) with couple frame (2) through lift wire rope (4), load driving (1) lower extreme middle part is connected and is equipped with anti-falling support (5), it is equipped with rotatable anti-falling dog (6) to prevent that it is equipped with to prevent weighing down support (5) lower part symmetry, couple frame (2) upper end middle part is connected and is equipped with deformable anti-falling pole (7) of tip, prevent falling pole (7) and prevent weighing down dog (6) and cooperate, prevent falling pole (7) and prevent weighing down and all be equipped with on support (5) and dash and push up buffer gear.
2. The tower crane lifting hook rope breakage protection device as claimed in claim 1, characterized in that: prevent weighing down pole (7) and be hollow structure, prevent that the inside symmetry in upper portion both sides of weighing down pole (7) is equipped with semi-circular baffle (8), it is equipped with baffle stopper (9) to prevent weighing down pole (7) outside being located baffle (8), the middle part of baffle (8) is articulated with preventing weighing down pole (7) inner wall, it has fore-set (10) to prevent weighing down pole (7) interior being located baffle (8), and fore-set (10) right side threaded connection is equipped with bolt (11), it is equipped with bolt hole (12) to prevent weighing down pole (7) right side, fore-set (10) upper end and baffle (8) lower extreme cooperation, and bolt (11) pass bolt hole (12) after-fixing fore-set (10), the upper end of preventing weighing down pole (7) is the cone structure.
3. The tower crane lifting hook rope breakage protection device as claimed in claim 2, characterized in that: the anti-falling device is characterized in that a torsional spring is arranged at the hinged position of the anti-falling stop block (6) and the anti-falling support (5), the lower part of the other end of the anti-falling stop block (6) is of an arc structure, and the two sides of the anti-falling support (5) are connected with the lower part of the anti-falling stop block (6) and provided with anti-falling limit blocks (13).
4. The tower crane lifting hook rope breakage protection device as claimed in claim 1, characterized in that: prevent weighing down support (5) upper portion symmetry and be equipped with stand (14), cup joint on stand (14) and be equipped with support buffer board (15), be connected between support buffer board (15) upper end and the anti-falling support (5) and be equipped with two springs (16), and spring (16) cup joint on stand (14).
5. The tower crane lifting hook rope breakage protection device as claimed in claim 1, characterized in that: prevent falling pole (7) and go up to cup joint and be equipped with and prevent weighing down buffer board (17), prevent weighing down buffer board (17) and prevent falling and be connected between pole (7) and be equipped with compression spring (18), and compression spring (18) cup joint and prevent falling pole (7) lower part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020100973.3U CN212151418U (en) | 2020-01-17 | 2020-01-17 | Tower machine lifting hook rope breakage protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020100973.3U CN212151418U (en) | 2020-01-17 | 2020-01-17 | Tower machine lifting hook rope breakage protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212151418U true CN212151418U (en) | 2020-12-15 |
Family
ID=73708630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020100973.3U Expired - Fee Related CN212151418U (en) | 2020-01-17 | 2020-01-17 | Tower machine lifting hook rope breakage protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212151418U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118004890A (en) * | 2024-04-09 | 2024-05-10 | 山东新沙单轨运输装备有限公司 | Monorail crane truck for underground transportation |
-
2020
- 2020-01-17 CN CN202020100973.3U patent/CN212151418U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118004890A (en) * | 2024-04-09 | 2024-05-10 | 山东新沙单轨运输装备有限公司 | Monorail crane truck for underground transportation |
| CN118004890B (en) * | 2024-04-09 | 2024-06-07 | 山东新沙单轨运输装备有限公司 | Monorail crane truck for underground transportation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201215 |