CN216377286U - Movable large frame hoist - Google Patents
Movable large frame hoist Download PDFInfo
- Publication number
- CN216377286U CN216377286U CN202122826801.1U CN202122826801U CN216377286U CN 216377286 U CN216377286 U CN 216377286U CN 202122826801 U CN202122826801 U CN 202122826801U CN 216377286 U CN216377286 U CN 216377286U
- Authority
- CN
- China
- Prior art keywords
- vertical pulley
- hoisting
- winding drum
- pulley
- platform
- 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
Abstract
A kind of movable large frame hoist, support platform and hoist platform are fixedly connected to the front and back of the upper end of the horizontal frame respectively; the left part of the supporting platform is provided with a left vertical pulley A and a left direction-changing pulley, and the right part of the supporting platform is provided with a right vertical pulley A and a right direction-changing pulley; the left part of the hoisting platform is provided with a left vertical pulley B, and the right part of the hoisting platform is provided with a right vertical pulley B; the driving mechanism is fixedly connected to the middle part of the hoisting platform, and the output end of the driving mechanism respectively drives the left winding drum mechanism and the right winding drum mechanism through the driving shaft; the front hoisting beam and the rear hoisting beam are respectively arranged below the supporting platform and the hoisting platform; the left part of the front hoisting beam is provided with a left vertical pulley B and a left vertical pulley C, and the right part of the front hoisting beam is provided with a right vertical pulley B and a right vertical pulley C; the left part of the rear hoisting beam is provided with a left vertical pulley D and a left vertical pulley E, and the right part of the rear hoisting beam is provided with a right vertical pulley D and a right vertical pulley E. The winch is reasonable in structure, can realize double-speed operation, and can meet the lifting or hoisting requirements of high-efficiency production at the present stage.
Description
Technical Field
The utility model belongs to the technical field of lifting equipment, and particularly relates to a movable large-frame winch.
Background
The hoisting machine is hoisting equipment for hoisting or pulling heavy objects by winding a steel cable or a chain on a winding drum, can realize vertical hoisting, horizontal or inclined pulling of the heavy objects, and can be frequently used in the vertical transportation working condition process of most concrete members. The hoist engine generally comprises frame, drive arrangement, reel and cable wire, and drive arrangement is connected the drive reel with the reel and is rotated, and the cable wire winding is on the reel, and the one end of cable wire is connected with lifting hook or hoist, and the reel rotates and drives lifting hook or hoist promotion or descending with the promotion or the transferring of drive cable wire, realizes the promotion or the descending to the heavy object.
The existing winch is simple in structure, low in movement rate generally, low in speed rate generally in the process of hoisting a heavy concrete member, poor in installation performance, dangerous to a certain extent in the operation process and not suitable for the hoisting or hoisting requirements of efficient production at the present stage.
Disclosure of Invention
Aiming at the problems in the prior art, the utility model provides a large movable frame winch which is reasonable in structure and high in safety factor, can run at double speed, and can meet the lifting or hoisting requirements of high-efficiency production at the present stage.
In order to achieve the purpose, the utility model provides a movable large frame winch which comprises a horizontal frame, a left winding drum mechanism, a right winding drum mechanism, a driving mechanism, a winch platform, a supporting platform, a front hoisting cross beam, a rear hoisting cross beam, a left traction rope A, a left traction rope B, a right traction rope A and a right traction rope B, wherein the left winding drum mechanism is arranged on the horizontal frame;
the supporting platform and the hoisting platform are both horizontally arranged and are respectively and fixedly connected to the front part and the rear part of the upper end of the horizontal frame; the left part and the right part of the supporting platform are respectively provided with a left mounting groove hole A and a right mounting groove hole A, a left vertical pulley A is rotatably mounted in the left mounting groove hole A on the supporting platform, and a part close to the left vertical pulley A is rotatably connected with a left direction-changing pulley; a right vertical pulley A is rotatably arranged in the right mounting groove hole A on the supporting platform, and a part close to the right vertical pulley A is rotatably connected with a right direction-changing pulley;
the left part and the right part of the rear part of the hoisting platform are respectively provided with a left mounting groove hole B and a right mounting groove hole B, a first left vertical pulley B is rotatably mounted in the left mounting groove hole B on the hoisting platform, and a first right vertical pulley B is rotatably mounted in the right mounting groove hole B;
the left winding drum mechanism and the right winding drum mechanism are arranged on the left part and the right part of the front part of the winding platform in a bilateral symmetry manner, and both the left winding drum mechanism and the right winding drum mechanism consist of a winding support fixedly connected to the upper end of the winding platform and a winding drum rotatably arranged in the winding support;
the driving mechanism is fixedly connected to the middle part of the hoisting platform, the output end of the driving mechanism is fixedly connected with a driving shaft, the driving shaft penetrates through the output end of the driving mechanism, and the left end and the right end of the driving shaft are respectively rotatably connected to the centers of the two winding drums after penetrating through the hoisting supports on the two sides;
the front hoisting beam and the rear hoisting beam are respectively arranged below the supporting platform and the hoisting platform; the left part and the right part of the front hoisting crossbeam are respectively provided with a left mounting slotted hole C and a right mounting slotted hole C, and a second left vertical pulley B and a left vertical pulley C are coaxially and rotatably connected in the left mounting slotted hole C on the front hoisting crossbeam; a second right vertical pulley B and a right vertical pulley C are coaxially and rotatably connected to the front hoisting crossbeam in the right mounting slotted hole C;
the left part and the right part of the rear hoisting crossbeam are respectively provided with a left mounting slotted hole D and a right mounting slotted hole D, and a left vertical pulley D and a left vertical pulley E are coaxially and rotatably connected in the left mounting slotted hole D on the rear hoisting crossbeam; a right vertical pulley D and a right vertical pulley E are coaxially and rotatably connected to the rear hoisting crossbeam in the right mounting slotted hole D;
one end of a left traction rope A is fixedly connected to the left part of the hoisting platform, and the other end of the left traction rope A is sequentially wound on a left vertical pulley E, a first left vertical pulley B and a left vertical pulley D and then is wound on the left half part of a winding drum in the left winding drum mechanism; one end of a left traction rope B is fixedly connected to the left part of the supporting platform, and the other end of the left traction rope B is sequentially wound on a second left vertical pulley B, a left vertical pulley A, a left vertical pulley C and a left direction-changing pulley and then is wound on the right half part of a winding drum in the left winding drum mechanism;
one end of a right hauling rope A is fixedly connected to the right part of the hoisting platform, and the other end of the right hauling rope A is sequentially wound on a right vertical pulley E, a first right vertical pulley B and a right vertical pulley D and then is wound on the right half part of a winding drum in the right winding drum mechanism; one end of the right hauling cable B is fixedly connected to the right part of the supporting platform, and the other end of the right hauling cable B is sequentially wound on the left half part of the winding drum in the right winding drum mechanism after being sequentially wound on the second right vertical pulley B, the right vertical pulley A, the right vertical pulley C and the right direction-changing pulley.
Further, in order to avoid mutual interference of the traction ropes in the left half part and the right half part in the winding and unwinding processes, an annular limiting partition plate A is fixedly connected between the left half part and the right half part of the winding drum in the left winding drum mechanism; an annular limiting partition plate B is fixedly connected between the left half part and the right half part of the winding drum in the right winding drum mechanism.
Preferably, the driving mechanism comprises a driving motor and a speed reducer connected with the driving motor.
According to the utility model, the supporting platform and the hoisting platform are respectively assembled at the front part and the rear part of the upper end of the horizontal frame, the front hoisting crossbeam and the rear hoisting crossbeam are respectively arranged below the supporting platform and the hoisting platform, and meanwhile, the front hoisting crossbeam and the rear hoisting crossbeam are connected with the supporting platform and the hoisting platform through the traction ropes, so that the front hoisting crossbeam and the rear hoisting crossbeam can be conveniently utilized to realize the hoisting operation of the heavy concrete member. The left vertical pulley B and the left vertical pulley C which are arranged at the left part of the front hoisting crossbeam are matched with the left vertical pulley A and the left direction-changing pulley which are arranged at the left part of the supporting platform, so that the left traction rope B which is continuously wound on the left vertical pulley B can realize multi-magnification lifting action through the left winding drum mechanism; the right vertical pulley B and the right vertical pulley C which are arranged at the right part of the front-mounted cross beam are matched with the right vertical pulley A and the right direction-changing pulley which are arranged at the right part of the supporting platform, so that the right traction rope B continuously wound on the front-mounted cross beam can realize multi-magnification lifting action through the right winding drum mechanism; the left vertical pulley D and the left vertical pulley E which are arranged at the left part of the rear hoisting crossbeam are matched with the left vertical pulley B which is arranged at the left part of the hoisting platform, so that the left traction rope A which is continuously wound on the left vertical pulley D and the left winding drum mechanism can realize multi-magnification hoisting action; the right vertical pulley D and the right vertical pulley E which are arranged at the right part of the rear hoisting cross beam are matched with the right vertical pulley B which is arranged at the right part of the hoisting platform, so that the right traction rope A which is continuously wound on the right vertical pulley D and the right winding drum mechanism can realize multi-magnification hoisting action; therefore, the winch can realize the multi-time hoisting operation. The winch is reasonable in structure and high in safety factor, can run at double speed, and can meet the lifting or hoisting requirements of high-efficiency production at the present stage.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of a portion A of FIG. 1;
FIG. 3 is a partial enlarged view of portion B of FIG. 1;
FIG. 4 is an enlarged view of a portion C of FIG. 1;
FIG. 5 is an enlarged view of a portion D of FIG. 1;
FIG. 6 is an enlarged view of a portion E of FIG. 1;
FIG. 7 is an enlarged view of a portion F of FIG. 1;
FIG. 8 is an enlarged view of a portion G of FIG. 1;
fig. 9 is a partially enlarged view of a portion H in fig. 1.
In the figure: 1. A horizontal frame, 2, a left reel mechanism, 3, a right reel mechanism, 4, a driving mechanism, 5, a winding platform, 6, a supporting platform, 7, a front hoisting beam, 8, a rear hoisting beam, 9, a left mounting groove A, 10, a right mounting groove A, 11, a left vertical pulley A, 12, a left direction-changing pulley, 13, a right vertical pulley A, 14, a right direction-changing pulley, 15, a left mounting groove B, 16, a right mounting groove B, 17, a first left vertical pulley B, 18, a first right vertical pulley B, 19, a left mounting groove C, 20, a right mounting groove C, 21, a second left vertical pulley B, 22, a left vertical pulley C, 23, a second right vertical pulley B, 24, a right vertical pulley C, 25, a left mounting groove D,26, a right mounting groove D, 27, a left vertical pulley D, 28, a left vertical pulley E, 29, a right vertical pulley D, 30, a right vertical pulley E, 31, a bracket, 32. the device comprises a winding drum 33, a driving shaft 34, left traction ropes A and 35, left traction ropes B and 36, right traction ropes A and 37, right traction ropes B and 38, a driving motor 39, a speed reducer 40, limiting partition plates A and 41 and a limiting partition plate B.
Detailed Description
The present invention will be further explained below.
As shown in fig. 1 to 9, a mobile gantry winch includes a horizontal frame 1, a left drum mechanism 2, a right drum mechanism 3, a driving mechanism 4, a winch platform 5, a support platform 6, a front hoisting beam 7, a rear hoisting beam 8, a left hauling rope a34, a left hauling rope B35, a right hauling rope a36 and a right hauling rope B37;
the supporting platform 6 and the hoisting platform 5 are both horizontally arranged and are respectively and fixedly connected to the front part and the rear part of the upper end of the horizontal frame 1; the left part and the right part of the supporting platform 6 are respectively provided with a left mounting groove A9 and a right mounting groove A10, a left vertical pulley A11 is rotatably mounted in the left mounting groove A9 on the supporting platform 6, and a part close to the left vertical pulley A11 is rotatably connected with a left direction-changing pulley 12; a right vertical pulley A13 is rotatably arranged in the right mounting groove hole A10 on the supporting platform 6, and a part close to the right vertical pulley A13 is rotatably connected with a right direction-changing pulley 14;
the left part and the right part of the rear part of the hoisting platform 5 are respectively provided with a left mounting groove hole B15 and a right mounting groove hole B16, a first left vertical pulley B17 is rotatably mounted in the left mounting groove hole B15 on the hoisting platform 5, and a first right vertical pulley B18 is rotatably mounted in the right mounting groove hole B16;
the left winding drum mechanism 2 and the right winding drum mechanism 3 are arranged at the left part and the right part of the front part of the winding platform 5 in a bilateral symmetry manner, and both the left winding drum mechanism 2 and the right winding drum mechanism 3 are composed of a winding support 31 fixedly connected to the upper end of the winding platform 5 and a winding drum 32 rotatably arranged in the winding support 31;
the driving mechanism 4 is fixedly connected to the middle part of the hoisting platform 5, the output end of the driving mechanism is fixedly connected with a driving shaft 33, the driving shaft 33 penetrates through the output end of the driving mechanism 4, and the left end and the right end of the driving shaft 33 are respectively rotatably connected to the centers of the two winding drums 32 after penetrating through the hoisting supports 31 on the two sides;
the front hoisting beam 7 and the rear hoisting beam 8 are respectively arranged below the supporting platform 6 and the hoisting platform 5; the left part and the right part of the front hoisting crossbeam 7 are respectively provided with a left mounting slotted hole C19 and a right mounting slotted hole C20, a first left vertical pulley B21 and a left vertical pulley C22 are coaxially and rotatably connected in the left mounting slotted hole C19 on the front hoisting crossbeam 7, and the first left vertical pulley B21 and the left vertical pulley C22 are sequentially arranged front and back; a second right vertical pulley B23 and a right vertical pulley C24 are coaxially and rotatably connected to the front hoisting cross beam 7 in the right mounting groove hole C20, and the second right vertical pulley B23 and the right vertical pulley C24 are sequentially arranged in a front-back manner;
the left part and the right part of the rear hoisting crossbeam 8 are respectively provided with a left mounting slot D25 and a right mounting slot D26, a left vertical pulley D27 and a left vertical pulley E28 are coaxially and rotatably connected in the left mounting slot D25 on the rear hoisting crossbeam 8, and the left vertical pulley D27 and the left vertical pulley E28 are sequentially arranged front and back; a right vertical pulley D29 and a right vertical pulley D30 are coaxially and rotatably connected to the rear hoisting cross beam 8 in the right mounting groove hole D26, and the right vertical pulley D29 and the right vertical pulley D30 are sequentially arranged in a front-back manner;
one end of a left hauling cable A34 is fixedly connected to the left part of the hoisting platform 5, and the other end of the left hauling cable A34 is sequentially wound on a left vertical pulley E28, a first left vertical pulley B17 and a left vertical pulley D27 and then is wound on the left half part of a winding drum 32 in the left winding drum mechanism 2; one end of a left hauling cable B35 is fixedly connected to the left part of the supporting platform 6, and the other end of the left hauling cable B35 is sequentially wound on a second left vertical pulley B21, a left vertical pulley A11, a left vertical pulley C22 and a left direction-changing pulley 12 and then is wound on the right half part of a winding drum 32 in the left winding drum mechanism 2;
one end of a right hauling rope A36 is fixedly connected to the right part of the hoisting platform 5, and the other end of the right hauling rope A36 is sequentially wound on a right vertical pulley E30, a first right vertical pulley B18 and a right vertical pulley D29 and then is wound on the right half part of the winding drum 32 in the right winding drum mechanism 3; one end of the right hauling cable B37 is fixedly connected with the right part of the supporting platform 6, and the other end is sequentially wound around the second right vertical pulley B23, the right vertical pulley A13, the right vertical pulley C24 and the right direction-changing pulley 14 and then is wound around the left half part of the winding drum 32 in the right winding drum mechanism 3.
In order to avoid mutual interference of the traction ropes in the left half part and the right half part in the winding and unwinding process, an annular limiting partition plate A40 is fixedly connected between the left half part and the right half part of the winding drum 32 in the left winding drum mechanism 2; an annular limiting partition plate B41 is fixedly connected between the left half part and the right half part of the winding drum 32 in the right winding drum mechanism 3.
Preferably, the driving mechanism 4 comprises a driving motor 38 and a speed reducer 39 connected with the driving motor 38.
The supporting platform and the hoisting platform are assembled at the front part and the rear part of the upper end of the horizontal frame respectively, the front hoisting crossbeam and the rear hoisting crossbeam are arranged below the supporting platform and the hoisting platform respectively, and meanwhile, the front hoisting crossbeam and the rear hoisting crossbeam are connected with the supporting platform and the hoisting platform through the traction ropes, so that the front hoisting crossbeam and the rear hoisting crossbeam can be conveniently utilized to realize the hoisting operation of the heavy concrete member. The left vertical pulley B and the left vertical pulley C which are arranged at the left part of the front hoisting crossbeam are matched with the left vertical pulley A and the left direction-changing pulley which are arranged at the left part of the supporting platform, so that the left traction rope B which is continuously wound on the left vertical pulley B can realize multi-magnification lifting action through the left winding drum mechanism; the right vertical pulley B and the right vertical pulley C which are arranged at the right part of the front-mounted cross beam are matched with the right vertical pulley A and the right direction-changing pulley which are arranged at the right part of the supporting platform, so that the right traction rope B continuously wound on the front-mounted cross beam can realize multi-magnification lifting action through the right winding drum mechanism; the left vertical pulley D and the left vertical pulley E which are arranged at the left part of the rear hoisting crossbeam are matched with the left vertical pulley B which is arranged at the left part of the hoisting platform, so that the left traction rope A which is continuously wound on the left vertical pulley D and the left winding drum mechanism can realize multi-magnification hoisting action; the right vertical pulley D and the right vertical pulley E which are arranged at the right part of the rear hoisting cross beam are matched with the right vertical pulley B which is arranged at the right part of the hoisting platform, so that the right traction rope A which is continuously wound on the right vertical pulley D and the right winding drum mechanism can realize multi-magnification hoisting action; therefore, the winch can realize the multi-time hoisting operation. The winch is reasonable in structure and high in safety factor, can run at double speed, and can meet the lifting or hoisting requirements of high-efficiency production at the present stage.
Claims (3)
1. A movable large-frame winch comprises a horizontal frame (1), a left winding drum mechanism (2), a right winding drum mechanism (3) and a driving mechanism (4), and is characterized by further comprising a winch platform (5), a supporting platform (6), a front hoisting cross beam (7), a rear hoisting cross beam (8), a left hauling rope A (34), a left hauling rope B (35), a right hauling rope A (36) and a right hauling rope B (37);
the supporting platform (6) and the hoisting platform (5) are both horizontally arranged and are respectively and fixedly connected to the front part and the rear part of the upper end of the horizontal frame (1); the left part and the right part of the supporting platform (6) are respectively provided with a left mounting groove hole A (9) and a right mounting groove hole A (10), a left vertical pulley A (11) is rotatably mounted in the left mounting groove hole A (9) on the supporting platform (6), and a part close to the left vertical pulley A (11) is rotatably connected with a left direction-changing pulley (12); a right vertical pulley A (13) is rotatably arranged in the right mounting groove hole A (10) on the supporting platform (6), and a part close to the right vertical pulley A (13) is rotatably connected with a right direction-changing pulley (14);
a left mounting slotted hole B (15) and a right mounting slotted hole B (16) are respectively formed in the left part and the right part of the rear part of the hoisting platform (5), a first left vertical pulley B (17) is rotatably mounted in the left mounting slotted hole B (15) on the hoisting platform (5), and a first right vertical pulley B (18) is rotatably mounted in the right mounting slotted hole B (16);
the left winding drum mechanism (2) and the right winding drum mechanism (3) are arranged at the left part and the right part of the front part of the winding platform (5) in bilateral symmetry, and both the left winding drum mechanism (2) and the right winding drum mechanism (3) are composed of a winding support (31) fixedly connected to the upper end of the winding platform (5) and a winding drum (32) rotatably arranged in the winding support (31);
the driving mechanism (4) is fixedly connected to the middle of the hoisting platform (5), the output end of the driving mechanism is fixedly connected with a driving shaft (33), the driving shaft (33) penetrates through the arrangement of the output end of the driving mechanism (4), and the left end and the right end of the driving mechanism are respectively and rotatably connected to the centers of the two winding drums (32) after penetrating through the hoisting supports (31) at the two sides;
the front hoisting crossbeam (7) and the rear hoisting crossbeam (8) are respectively arranged below the supporting platform (6) and the hoisting platform (5); the left part and the right part of the front hoisting crossbeam (7) are respectively provided with a left mounting slotted hole C (19) and a right mounting slotted hole C (20), and a second left vertical pulley B (21) and a left vertical pulley C (22) are coaxially and rotatably connected in the left mounting slotted hole C (19) on the front hoisting crossbeam (7); a second right vertical pulley B (23) and a right vertical pulley C (24) are coaxially and rotatably connected in the right mounting slotted hole C (20) on the front hoisting cross beam (7);
the left part and the right part of the rear hoisting beam (8) are respectively provided with a left mounting slotted hole D (25) and a right mounting slotted hole D (26), and a left vertical pulley D (27) and a left vertical pulley E (28) are coaxially and rotatably connected in the left mounting slotted hole D (25) on the rear hoisting beam (8); a right vertical pulley D (29) and a right vertical pulley E (30) are coaxially and rotatably connected in the right mounting slotted hole D (26) on the rear hoisting cross beam (8);
one end of a left hauling rope A (34) is fixedly connected to the left part of the hoisting platform (5), and the other end of the left hauling rope A is sequentially wound on the left half part of a winding drum (32) in the left winding drum mechanism (2) after passing through a left vertical pulley E (28), a first left vertical pulley B (17) and a left vertical pulley D (27); one end of a left hauling rope B (35) is fixedly connected to the left part of the supporting platform (6), and the other end of the left hauling rope B is sequentially wound on the right half part of a winding drum (32) in the left winding drum mechanism (2) after being wound on a second left vertical pulley B (21), a left vertical pulley A (11), a left vertical pulley C (22) and a left direction-changing pulley (12);
one end of a right hauling rope A (36) is fixedly connected to the right part of the hoisting platform (5), and the other end of the right hauling rope A is sequentially wound on the right half part of a winding drum (32) in the right winding drum mechanism (3) after passing through a right vertical pulley E (30), a first right vertical pulley B (18) and a right vertical pulley D (29); one end of a right hauling rope B (37) is fixedly connected to the right part of the supporting platform (6), and the other end of the right hauling rope B (37) is sequentially wound on the left half part of a winding drum (32) in the right winding drum mechanism (3) after being sequentially wound on a second right vertical pulley B (23), a right vertical pulley A (13), a right vertical pulley C (24) and a right direction-changing pulley (14).
2. The traveling gantry hoist according to claim 1, characterized in that the left half and the right half of the winding drum (32) of the left winding drum mechanism (2) are fixedly connected with an annular spacing partition A (40); an annular limiting partition plate B (41) is fixedly connected between the left half part and the right half part of the winding drum (32) in the right winding drum mechanism (3).
3. A mobile gantry winch according to claim 1 or 2, characterized in that said driving means (4) consist of a driving motor (38) and a reduction gear (39) connected thereto.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122826801.1U CN216377286U (en) | 2021-11-18 | 2021-11-18 | Movable large frame hoist |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122826801.1U CN216377286U (en) | 2021-11-18 | 2021-11-18 | Movable large frame hoist |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216377286U true CN216377286U (en) | 2022-04-26 |
Family
ID=81254243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122826801.1U Active CN216377286U (en) | 2021-11-18 | 2021-11-18 | Movable large frame hoist |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216377286U (en) |
-
2021
- 2021-11-18 CN CN202122826801.1U patent/CN216377286U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208037868U (en) | A kind of formwork of bridge rail peace is torn open and transfer device | |
| CN218539059U (en) | Gantry container crane with locking mechanism | |
| CN214879790U (en) | Movable arm tower crane | |
| CN216377286U (en) | Movable large frame hoist | |
| CN213171204U (en) | Construction equipment hoisting device | |
| JP2008222382A (en) | Method for moving lifting device for installation | |
| CN116477509A (en) | Steel rope winch for explosion-proof crane and use method thereof | |
| CN116715161A (en) | Hoisting machine for ship traction hoisting | |
| CN216038321U (en) | Large-tonnage mast crane | |
| CN213707534U (en) | Redundant system of european style calabash dolly | |
| CN108529425A (en) | A kind of Novel hung crane | |
| CN211255088U (en) | Crown block device with split-type main pulley | |
| CN210419067U (en) | Movable plate lifting device for ship box body repair | |
| CN215402784U (en) | Electric hoist with semi-built-in noise reduction motor and speed reducer | |
| CN213326475U (en) | Low-clearance European-style gourd | |
| CN219409121U (en) | Winding engine for construction machinery | |
| CN220376198U (en) | Auxiliary lifting system of tower crane | |
| CN215558542U (en) | Portable curtain board hoist device | |
| CN216971763U (en) | Novel wind power generation tower promotes device | |
| CN220011874U (en) | Outer wall protection device for hoisting building outer wall | |
| CN105621243A (en) | Double-end material crane | |
| CN219259421U (en) | Winding engine | |
| CN111055903A (en) | Cable reel loading and unloading device | |
| CN219031595U (en) | Counterweight self-loading and unloading device, counterweight system and hoisting machinery | |
| CN216336194U (en) | Low-noise high-strength electric single-beam suspension crane |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |