CN212076258U - Lifting device for installing crane - Google Patents
Lifting device for installing crane Download PDFInfo
- Publication number
- CN212076258U CN212076258U CN202020689215.XU CN202020689215U CN212076258U CN 212076258 U CN212076258 U CN 212076258U CN 202020689215 U CN202020689215 U CN 202020689215U CN 212076258 U CN212076258 U CN 212076258U
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- spring
- wire rope
- sides
- box
- 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
- Jib Cranes (AREA)
Abstract
The utility model discloses a hoisting device lifts for hoist installation, including casing, balance box and couple, the equal fixedly connected with motor of lower extreme of the inside both sides of casing, and the equal fixedly connected with hoist section of thick bamboo of output of motor, the surface of hoist section of thick bamboo all twines there is wire rope, and the equal fixedly connected with lubricating structure in casing bottom both sides on wire rope surface, the equal fixedly connected with balance structure in wire rope's bottom, and horizontal fixedly connected with balance box between balance structure's the bottom, the both sides of balance box bottom all are provided with the couple. Through at inside anticreep gear, anticreep piece and the stopper of setting up of casing, wire rope reciprocates the in-process, can drive anticreep gear and do cisoid or reverse rotation, sets up the stopper simultaneously for promote the in-process, when the accident takes place, the anticreep piece can not upwards deflect, and then avoids wire rope to continue the gliding, causes the incident.
Description
Technical Field
The utility model relates to a hoist equipment technical field specifically is a hoisting device lifts for hoist installation.
Background
Along with the development of society, the science and technology of our country is advanced, the variety and the function of hoist also are more and more, and hoist lifting mechanism is again to determine a very important index in the hoist and is equipped with, consequently lifting mechanism has obtained very big development, but current lifting device that lifts for hoist installation still has many problems or defects:
firstly, the traditional lifting device for installing the crane is free of a lubricating structure when in use, and is easy to cause jamming during lifting when a steel wire rope is not lubricated enough, so that the working efficiency is reduced;
secondly, the traditional lifting device for installing the crane is not provided with a gravity balancing structure when in use, and a steel wire rope on one side is stressed too heavy and is easy to break due to unbalanced weight in the lifting process;
thirdly, the traditional lifting device for installing the crane has no anti-falling structure during use, and when an accident happens carelessly, the steel wire rope is easy to slip backwards, so that the load drops, and safety accidents are caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a lifting device for hoist installation to solve the inconvenient problem of lubricating, inconvenient balanced gravity and inconvenient anticreep that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a lifting device for installing a crane comprises a shell (1), a balance box (8) and a hook (10), wherein the lower ends of two sides inside the shell (1) are fixedly connected with a motor (5), the output end of the motor (5) is fixedly connected with a hoisting drum (2), an anti-falling gear (4) is fixedly connected inside the shell (1) between the hoisting drums (2) through a rotating shaft, a vertical plate (3) is fixedly connected to the bottom end inside the shell (1) at the back of the anti-falling gear (4), an anti-falling block (15) is fixedly hinged to the upper end of the front side of the vertical plate (3), a fixing spring (16) is fixedly connected to one side of the bottom end of the anti-falling block (15), one end of the fixing spring (16) is fixedly connected with the front side of the vertical plate (3), a pneumatic telescopic rod (20) is fixedly connected to the upper end of the front side of the vertical plate (3), and a limiting block (, the surface of the winding drum (2) is wound with a steel wire rope (14), lubricating structures (6) are fixedly connected to two sides of the bottom end of the shell (1) on the surface of the steel wire rope (14), balancing structures (7) are fixedly connected to the bottom end of the steel wire rope (14), balancing boxes (8) are fixedly connected between the bottoms of the balancing structures (7) in the transverse direction, and hooks (10) are arranged on two sides of the bottom ends of the balancing boxes (8).
Preferably, spout (19) have been seted up to the inside positive upper end of riser (3), and the inside sliding connection of spout (19) has slider (18), the one end and stopper (17) one end welding of slider (18), and the shape of stopper (17) is "L" shape.
Preferably, lubricating structure (6) is including adding case (601), lubricated case (602), hose (603), lubricated spring (604) and sponge (605), the equal fixed connection in both sides of casing (1) bottom of lubricated case (602), and the equal fixedly connected with of intermediate position department of lubricated case (602) both sides adds case (601), the even fixedly connected with lubricated spring (604) in both sides of lubricated case (602) inside, and equal fixedly connected with sponge (605) between the one end of lubricated spring (604), the equal fixedly connected with hose (603) of intermediate position department of sponge (605) one side, and the one end of hose (603) all with add the inside intercommunication of case (601).
Preferably, the inside of the balance structure (7) is sequentially provided with a buffer rod (701), a buffer box (702), a buffer spring (703), a fixing piece (704), a fixing plate (705) and a triangular block (706), the triangular block (706) is fixedly connected to the bottom end of the steel wire rope (14), the bottom ends of the triangular blocks (706) are fixedly hinged with fixing pieces (704), the bottom ends of the fixing pieces (704) are transversely and fixedly connected with fixing plates (705), the bottom end of the fixed plate (705) is welded with the top end of the balance box (8), the two sides of the top end of the fixed plate (705) are fixedly connected with buffer boxes (702), and one end of the interior of the buffer box (702) is fixedly connected with a buffer spring (703), one end of each buffer spring (703) is fixedly connected with a buffer rod (701), and one end of the buffer rod (701) is fixedly connected with one side of the triangular block (706).
Preferably, the even fixedly connected with damping spring (11) in top of balance box (8) inside, and equal horizontal fixedly connected with balance plate (9) between the bottom of damping spring (11), the bottom of balance plate (9) all with couple (10) top fixed connection.
Preferably, one side of the top end inside the hook (10) is fixedly hinged with a baffle (12), one side of the bottom end of the baffle (12) is fixedly connected with a return spring (13), and one end of the return spring (13) is welded with one side inside the hook (10).
Compared with the prior art, the beneficial effects of the utility model are that: this a lifting device for hoist installation is rational in infrastructure, has following advantage:
(1) the hose (603), the lubricating spring (604) and the sponge (605) are arranged in the lubricating box (602), the sponge (605) is tightly attached to the surface of the steel wire rope (14) through the elasticity of the lubricating spring (604), and then the lubricating oil is ensured to enter the sponge (605) through the hose (603), when the steel wire rope (14) moves up and down, the steel wire rope (14) is lubricated by utilizing the mutual friction between the steel wire rope (14) and the sponge (605), the steel wire rope (14) is prevented from being blocked when moving up and down, the lifting efficiency is reduced, and the maintenance cost is increased;
(2) the buffer spring (703), the fixing piece (704) and the triangular block (706) are arranged at the bottom end of the steel wire rope (14), in the hoisting process, when the weight between the hooks (10) is different, the elastic force of the buffer spring (703) is utilized, the triangular block (706) is enabled to deflect slowly towards the heavier end until the stress between the two steel wire ropes (14) is balanced, the uneven stress of the steel wire ropes (14) is avoided, even a certain steel wire rope (14) is broken, the production economy is increased, safety accidents are easy to cause, meanwhile, the elastic force of the buffer spring (703) can slow down the deflection amplitude of the balance box (8), the goods can rise stably, the shaking feeling of the goods is reduced, and the practicability of the device is improved;
(3) the anti-falling gear (4), the anti-falling block (15), the fixed spring (16) and the limiting block (17) are arranged inside the shell (1), the limiting block (17) is lowered to a certain height by starting the pneumatic telescopic rod (20), then the motor (5) is started to drive the winding drum (2) to rotate, and further the steel wire rope (14) is lifted up to start lifting operation, meanwhile, the winding drum (2) rotates to drive the anti-falling gear (4) to rotate, so that the anti-falling block (15) is driven to deflect downwards to compress the fixed spring (16), when the device is in accident, the steel wire rope (14) is caused to slide downwards accidentally, the anti-falling gear (4) is caused to rotate reversely, and further when the anti-falling block (15) is driven to deflect upwards, the anti-falling block (17) can block, the steel wire rope (14) is prevented from sliding downwards continuously, goods are, and is also easy to cause safety accidents.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic side sectional view of the present invention;
FIG. 3 is an enlarged schematic view of the lubrication structure of the present invention;
fig. 4 is an enlarged schematic structural diagram of the balance structure of the present invention.
In the figure: 1. a housing; 2. a hoisting drum; 3. a vertical plate; 4. an anti-drop gear; 5. a motor; 6. a lubrication structure; 601. an addition tank; 602. a lubrication box; 603. a hose; 604. lubricating the spring; 605. a sponge; 7. a balance structure; 701. a buffer rod; 702. a buffer tank; 703. a buffer spring; 704. a fixing member; 705. a fixing plate; 706. a triangular block; 8. a balancing box; 9. a balance plate; 10. hooking; 11. a damping spring; 12. a baffle plate; 13. a return spring; 14. a wire rope; 15. an anti-drop block; 16. fixing the spring; 17. a limiting block; 18. a slider; 19. a chute; 20. pneumatic telescopic link.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a lifting device for installing a crane comprises a shell 1, a balance box 8 and a hook 10, wherein the lower ends of two sides in the shell 1 are fixedly connected with motors 5, the types of the motors 5 can be Y315S-4, the motors 5 are electrically connected with a starting switch through wires, the output ends of the motors 5 are fixedly connected with hoisting drums 2, the interior of the shell 1 between the hoisting drums 2 is fixedly connected with an anti-disengaging gear 4 through a rotating shaft, and the bottom end in the shell 1 at the back of the anti-disengaging gear 4 is vertically and fixedly connected with a vertical plate 3;
a sliding groove 19 is formed in the upper end of the front face of the inner portion of the vertical plate 3, a sliding block 18 is connected to the inner portion of the sliding groove 19 in a sliding mode, one end of the sliding block 18 is welded to one end of a limiting block 17, and the limiting block 17 is L-shaped;
specifically, as shown in fig. 2, when the mechanism is used, firstly, the sliding of the sliding block 18 in the sliding groove 19 is utilized, so that the up-and-down movement of the limiting block 17 is more stable, the anti-falling gear 4 is conveniently limited, and the safety accident caused by the backward sliding of the steel wire rope 14 is avoided;
the anti-falling device comprises a vertical plate 3, an anti-falling block 15 is fixedly hinged to the upper end of the front face of the vertical plate 3, a fixed spring 16 is fixedly connected to one side of the bottom end of the anti-falling block 15, one end of the fixed spring 16 is fixedly connected with the front face of the vertical plate 3, a pneumatic telescopic rod 20 is fixedly connected to the upper end of the front face of the vertical plate 3, the type of the pneumatic telescopic rod 20 can be HL-A-8, the pneumatic telescopic rod 20 is electrically connected with a starting switch through a wire, a limiting block 17 is fixedly connected to the output end of the pneumatic telescopic rod 20, a steel wire rope 14 is wound on the surface of a winding;
the lubricating structure 6 comprises an adding box 601, a lubricating box 602, hoses 603, lubricating springs 604 and sponges 605, wherein the lubricating box 602 is fixedly connected to two sides of the bottom end of the shell 1, the adding box 601 is fixedly connected to the middle positions of two sides of the lubricating box 602, the lubricating springs 604 are uniformly and fixedly connected to two sides inside the lubricating box 602, the sponges 605 are fixedly connected between one ends of the lubricating springs 604, the hoses 603 are fixedly connected to the middle position of one side of each sponge 605, and one end of each hose 603 is communicated with the inside of the adding box 601;
specifically, as shown in fig. 1, 2 and 3, when the mechanism is used, firstly, the sponge 605 is tightly attached to the surface of the steel wire rope 14 through the elastic force of the lubricating spring 604, when the steel wire rope 14 moves up and down, the steel wire rope 14 is lubricated by utilizing the mutual friction between the steel wire rope 14 and the sponge 605, the steel wire rope 14 is prevented from being blocked when moving up and down, and the lifting efficiency is reduced;
the bottom ends of the steel wire ropes 14 are fixedly connected with balance structures 7;
the inside of the balance structure 7 is sequentially provided with a buffer rod 701, a buffer box 702, a buffer spring 703, a fixing piece 704, a fixing plate 705 and a triangular block 706, the triangular blocks 706 are all fixedly connected to the bottom end of the steel wire rope 14, the bottom ends of the triangular blocks 706 are all fixedly hinged with the fixing piece 704, the bottom ends of the fixing pieces 704 are all transversely and fixedly connected with the fixing plate 705, the bottom end of the fixing plate 705 is welded to the top end of the balance box 8, the two sides of the top end of the fixing plate 705 are all fixedly connected with the buffer box 702, one end inside the buffer box 702 is all fixedly connected with the buffer spring 703, one end of the buffer spring 703 is all fixedly connected with the buffer rod 701, and one end of the buffer;
specifically, as shown in fig. 1, 2 and 4, when the mechanism is used, firstly, when the weight between the hooks 10 is different, the triangular block 706 is slowly deflected towards the heavier end by using the elastic force of the buffer spring 703 until the stress between the two steel wire ropes 14 is balanced, so as to avoid uneven stress on the steel wire ropes 14, and meanwhile, the elastic force of the buffer spring 703 can slow down the deflection amplitude of the balance box 8, so that the goods can rise more stably;
and a balancing box 8 is transversely and fixedly connected between the bottom ends of the balancing structures 7;
the top ends of the interior of the balance boxes 8 are uniformly and fixedly connected with damping springs 11, balance plates 9 are transversely and fixedly connected between the bottom ends of the damping springs 11, and the bottom ends of the balance plates 9 are fixedly connected with the top ends of the hooks 10;
specifically, as shown in fig. 1 and 2, when the mechanism is used, firstly, the elastic force of the damping spring 11 is utilized to slow down the strain force of the instantaneous hoisting, so that the damage to the device caused by the overlarge strain force is avoided, and the service life of the device is further prolonged;
the two sides of the bottom end of the balance box 8 are provided with hooks 10;
a baffle plate 12 is fixedly hinged to one side of the top end inside the hook 10, return springs 13 are fixedly connected to one sides of the bottom ends of the baffle plates 12, and one ends of the return springs 13 are welded to one side inside the hook 10;
specifically, as shown in fig. 1 and 2, when the mechanism is used, firstly, the return spring 13 is utilized to restore the baffle 12 to the original position, so that the cargo is prevented from being separated from the hook 10 in the lifting process, the cargo is prevented from being accidentally dropped and damaged, and the production economy is increased while personnel safety accidents are easily caused.
The working principle is as follows: when the device is used, the device is firstly installed on a crane, after a power supply is switched on, a pneumatic telescopic rod 20 is started firstly, a sliding block 18 slides in a sliding groove 19 to drive a limiting block 17 to ascend, a motor 5 is started to drive a winding drum 2 to rotate, further, an anti-falling gear 4 is driven to rotate, an anti-falling block 15 is driven to deflect upwards to stretch a fixing spring 16, then, a steel wire rope 14 is driven to descend, meanwhile, a sponge 605 is enabled to be tightly attached to the surface of the steel wire rope 14 under the elastic force of a lubricating spring 604, lubricating oil enters the sponge 605 through a hose 603, the steel wire rope 14 is lubricated by utilizing the mutual friction between the steel wire rope 14 and the sponge 605, and;
when the balance box 8 descends to a certain height, the baffle plate 12 is pressed to deflect and compress the reset spring 13, then a worker places the goods to be lifted in the hook 10, the baffle plate 12 is restored to the original position by the aid of the elastic force of the reset spring 13, the goods are prevented from being separated from the hook 10 in the lifting process, and meanwhile, the strain force of instantaneous lifting can be relieved by the aid of the elastic force of the damping spring 11;
then, the pneumatic telescopic rod 20 is started again, so that after the limiting block 17 descends to a certain height, the starting motor 5 drives the winch drum 2 to rotate, the steel wire rope 14 is further lifted, the hoisting operation is started, at the moment, the anti-falling block 15 can only deflect downwards to compress the fixing spring 16, and therefore when the device is in an accident, the steel wire rope 14 slides downwards accidentally, the anti-falling gear 4 rotates reversely, the anti-falling block 15 is blocked by the limiting block 17 when deflecting upwards, and the steel wire rope 14 is prevented from continuously sliding downwards to cause a safety accident;
meanwhile, in the hoisting process, when the weight of the hook 10 is different, the triangular block 706 slowly deflects to the heavier end by using the elastic force of the buffer spring 703 until the stress between the two steel wire ropes 14 is balanced, so that the uneven stress of the steel wire ropes 14 is avoided, even a certain steel wire rope 14 is broken, and meanwhile, the deflection amplitude of the balance box 8 can be reduced by the elastic force of the buffer spring 703, so that the goods can stably rise.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A lifting device for crane installation, including casing (1), balance box (8) and couple (10), its characterized in that: the lower ends of two sides in the shell (1) are fixedly connected with a motor (5), the output end of the motor (5) is fixedly connected with a hoisting drum (2), the interior of the shell (1) between the hoisting drums (2) is fixedly connected with an anti-falling gear (4) through a rotating shaft, the bottom end in the shell (1) at the back of the anti-falling gear (4) is vertically and fixedly connected with a vertical plate (3), the front upper end of the vertical plate (3) is fixedly hinged with an anti-falling block (15), one side of the bottom end of the anti-falling block (15) is fixedly connected with a fixed spring (16), one end of the fixed spring (16) is fixedly connected with the front of the vertical plate (3), the front upper end of the vertical plate (3) is fixedly connected with a pneumatic telescopic rod (20), the output end of the pneumatic telescopic rod (20) is fixedly connected with a limiting block (17), and the, and the equal fixedly connected with lubricating structure (6) in casing (1) bottom both sides on wire rope (14) surface, the equal fixedly connected with balanced structure (7) in bottom of wire rope (14), and horizontal fixedly connected with balance box (8) between the bottom of balanced structure (7), the both sides of balance box (8) bottom all are provided with couple (10).
2. A lifting and hoisting device for crane installation according to claim 1, characterized in that: spout (19) have been seted up to the inside positive upper end of riser (3), and the inside sliding connection of spout (19) has slider (18), the one end and stopper (17) one end welding of slider (18), and the shape of stopper (17) is "L" shape.
3. A lifting and hoisting device for crane installation according to claim 1, characterized in that: lubricating structure (6) is including adding case (601), lubricated case (602), hose (603), lubricated spring (604) and sponge (605), the equal fixed connection in both sides of casing (1) bottom of lubricated case (602), and the equal fixedly connected with of intermediate position department of lubricated case (602) both sides adds case (601), the even fixedly connected with lubricated spring (604) in both sides of lubricated case (602) inside, and equal fixedly connected with sponge (605) between the one end of lubricated spring (604), the equal fixedly connected with hose (603) of intermediate position department of sponge (605) one side, and the one end of hose (603) all with add the inside intercommunication of case (601).
4. A lifting and hoisting device for crane installation according to claim 1, characterized in that: the inside of the balance structure (7) is sequentially provided with a buffer rod (701), a buffer box (702), a buffer spring (703), a fixing piece (704), a fixing plate (705) and a triangular block (706), the triangular block (706) is fixedly connected with the bottom end of a steel wire rope (14), the bottom ends of the triangular blocks (706) are fixedly hinged with fixing pieces (704), the bottom ends of the fixing pieces (704) are transversely and fixedly connected with fixing plates (705), the bottom end of the fixed plate (705) is welded with the top end of the balance box (8), the two sides of the top end of the fixed plate (705) are fixedly connected with buffer boxes (702), and one end of the interior of the buffer box (702) is fixedly connected with a buffer spring (703), one end of each buffer spring (703) is fixedly connected with a buffer rod (701), and one end of the buffer rod (701) is fixedly connected with one side of the triangular block (706).
5. A lifting and hoisting device for crane installation according to claim 1, characterized in that: the damping box is characterized in that damping springs (11) are fixedly connected to the top end inside the balancing box (8) evenly, a balancing plate (9) is fixedly connected between the bottoms of the damping springs (11) transversely, and the bottom end of the balancing plate (9) is fixedly connected with the top end of a hook (10).
6. A lifting and hoisting device for crane installation according to claim 1, characterized in that: the hook is characterized in that a baffle (12) is fixedly hinged to one side of the top end inside the hook (10), a return spring (13) is fixedly connected to one side of the bottom end of the baffle (12), and one end of the return spring (13) is welded to one side inside the hook (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020689215.XU CN212076258U (en) | 2020-04-29 | 2020-04-29 | Lifting device for installing crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020689215.XU CN212076258U (en) | 2020-04-29 | 2020-04-29 | Lifting device for installing crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212076258U true CN212076258U (en) | 2020-12-04 |
Family
ID=73587853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020689215.XU Active CN212076258U (en) | 2020-04-29 | 2020-04-29 | Lifting device for installing crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212076258U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112960531A (en) * | 2021-04-30 | 2021-06-15 | 刘曙光 | Three-dimensional storage stacker crane |
| CN113120751A (en) * | 2021-05-24 | 2021-07-16 | 安徽马钢矿业资源集团姑山矿业有限公司 | Auxiliary rope chasing structure for four-rope grab bucket |
| CN115784007A (en) * | 2023-02-07 | 2023-03-14 | 金炫业(怀来)机械装备有限公司 | Single-rail hydraulic hoist supporting structure for hoisting |
-
2020
- 2020-04-29 CN CN202020689215.XU patent/CN212076258U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112960531A (en) * | 2021-04-30 | 2021-06-15 | 刘曙光 | Three-dimensional storage stacker crane |
| CN113120751A (en) * | 2021-05-24 | 2021-07-16 | 安徽马钢矿业资源集团姑山矿业有限公司 | Auxiliary rope chasing structure for four-rope grab bucket |
| CN113120751B (en) * | 2021-05-24 | 2022-03-01 | 安徽马钢矿业资源集团姑山矿业有限公司 | Auxiliary rope chasing structure for four-rope grab bucket |
| CN115784007A (en) * | 2023-02-07 | 2023-03-14 | 金炫业(怀来)机械装备有限公司 | Single-rail hydraulic hoist supporting structure for hoisting |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212076258U (en) | Lifting device for installing crane | |
| CN210795604U (en) | Hoist engine for building engineering | |
| CN210973630U (en) | Shipbuilding gantry crane | |
| CN201485197U (en) | Automatic counter-balanced hoisting device | |
| CN206645749U (en) | Electric block type multi-lay winding hoist engine | |
| CN219751707U (en) | Novel electric hoist single-double beam crane trolley | |
| CN206705598U (en) | A kind of jack-up unit rack-and-pinion lift | |
| CN214611242U (en) | Lifting device with protective structure for power transmission and transformation engineering construction | |
| CN215160452U (en) | Anti-swing hoisting machine | |
| CN201125127Y (en) | Ultralong electric gourd | |
| CN212174339U (en) | Lifting construction mechanical equipment | |
| CN210393403U (en) | Anti-drop hoist for construction | |
| CN106892348A (en) | Can automatic shutter crane hook | |
| CN111170152A (en) | Double-power eight-rope grab trolley | |
| CN109132906B (en) | Lifting balance energy storage device of crane lifting mechanism | |
| CN101672101A (en) | One-drive multi-hoisting-point hoisting system | |
| CN212612035U (en) | Height lifting device of bridge girder erection machine | |
| CN215558673U (en) | Mechanism is placed to lifting rope utensil that building engineering used | |
| CN204823915U (en) | Mechanical hoisting machine for building small -size | |
| CN217201826U (en) | Hydraulic chain type blowout preventer lifting and moving device | |
| CN217229887U (en) | Construction elevator | |
| CN220976353U (en) | Electric hoist protection mechanism | |
| CN211687968U (en) | Double-power eight-rope grab trolley | |
| CN211169651U (en) | Material lifting machine for building engineering | |
| CN218320414U (en) | Automatic hoisting equipment for bridge engineering |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |