CN215479353U - Tower machine balancing weight dismounting device - Google Patents
Tower machine balancing weight dismounting device Download PDFInfo
- Publication number
- CN215479353U CN215479353U CN202121863426.1U CN202121863426U CN215479353U CN 215479353 U CN215479353 U CN 215479353U CN 202121863426 U CN202121863426 U CN 202121863426U CN 215479353 U CN215479353 U CN 215479353U
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- pulley
- rope
- cross arm
- trolley
- arm
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- 230000007246 mechanism Effects 0.000 claims description 26
- 238000004804 winding Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 abstract description 8
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 241000288140 Gruiformes Species 0.000 description 14
- 238000009434 installation Methods 0.000 description 4
- 241000124872 Grus grus Species 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to a dismounting device for a tower crane counterweight block, which comprises a tripod arranged at the end part of a balance arm, wherein a cross arm is arranged at the end part of the balance arm above the counterweight block, a support is vertically arranged in the middle of the cross arm, the bottom of the support is arranged on the balance arm, and one end of the cross arm is connected with the top end of the tripod. The utility model has the beneficial effects that: when the space where the tower crane is located is narrow, or the height of the tower crane is too high, and the counterweight block cannot be dismounted through the tower crane, the counterweight block can be directly dismounted through a device arranged on a balance arm of the tower crane, the dismounting process is simple, and the operation is easy; the disassembly and use process is safe and reliable, the operation efficiency of disassembling the balancing weight is improved, the safety of constructors is guaranteed, and the disassembly and use method is easy to popularize and use.
Description
Technical Field
The utility model relates to the field of tower cranes, in particular to a dismounting device for a counterweight block of a tower crane.
Background
The tower machine balancing weight is an important component of the tower machine, and when the tower machine needs to be disassembled after being used, the disassembling process of the balancing weight is usually complex. Sometimes, the tower crane cannot be normally used for dismounting due to the limitation of the space of the tower crane, and when the height of the tower crane is too high, the counterweight block cannot be dismounted by using a common crane; also there are some special tower machine balancing weight dismantling equipment at present, but mostly the structure is comparatively complicated, needs to install on the balance arm of tower machine, and the installation is complicated and have great potential safety hazard, needs to design a simple structure, simple to operate's dismounting device urgently.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a dismounting device for a tower crane counterweight block, which aims to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme:
a dismounting device for a tower crane counterweight block comprises a tripod arranged at the end part of a balance arm, wherein a cross arm is arranged at the end part of the balance arm above the counterweight block, a support is vertically arranged in the middle of the cross arm, the bottom of the support is arranged on the balance arm, one end of the cross arm is connected to the top end of the tripod, the other end of the cross arm extends to the outer side of the support, and the counterweight block is positioned on the balance arm between the tripod and the support; a first pulley is arranged at the top end of the tripod, a second pulley is arranged at the top of the bracket, a third pulley is arranged at the outer end of the cross arm, a fourth pulley and a fifth pulley are arranged above the middle part of the cross arm at intervals, and a sixth pulley is arranged below the cross arm close to the end of the third pulley; a sliding rail is arranged on the cross arm along the length direction of the cross arm, a dismounting trolley is slidably arranged on the sliding rail, a fixing mechanism is arranged on the dismounting trolley, and a driving pulley of the dismounting trolley is arranged on the trolley; a first rope fixing pin is arranged above the middle part of the cross arm, and a second rope fixing pin is arranged at the middle part of the cross arm close to the third pulley; the movable pulley is arranged on the rope, the bottom of the movable pulley is provided with a disassembly hook, and the top of the movable pulley is provided with a movable pulley fixing ring matched with the fixing mechanism.
Particularly, when the rope is used for longitudinal lifting, the rope is taken out from the lifting mechanism and wound above the first pulley, the second pulley and the third pulley, wound below the fifth pulley after being wound around the third pulley and then wound above the fourth pulley, wound above the first rope fixing pin after being wound around the fourth pulley, wound below the sixth pulley after being wound around the first rope fixing pin, and connected and fixed to the second rope fixing pin after being wound around the sixth pulley; a movable pulley is sleeved on the rope between the fourth pulley and the first rope fixing pin.
Particularly, when the rope is used for moving transversely, the rope is discharged from the hoisting mechanism, winds above the first pulley, the second pulley and the third pulley, winds above the sixth pulley after winding the third pulley, then winds above the trolley driving pulley, and is fixedly connected to the second rope fixing pin after winding the trolley driving pulley; a movable pulley is sleeved on the rope between the trolley driving pulley and the second rope fixing pin.
Particularly, the fixing mechanism comprises a trolley fixing ring, and the trolley fixing ring and the movable pulley fixing ring are matched and can be connected together through a pin shaft.
Compared with the prior art, the utility model has the beneficial effects that:
(1) when the space where the tower crane is located is narrow, or the height of the tower crane is too high, and the counterweight block cannot be dismounted through the tower crane, the counterweight block can be directly dismounted through a device arranged on a balance arm of the tower crane, the dismounting process is simple, and the operation is easy;
(2) the dismounting device can be prefabricated on the balance arm of the tower crane, the power system adopts the hoisting mechanism of the tower crane, the assembling process is simple, the using process is safe and reliable, the operation efficiency of dismounting the counterweight block is improved, the safety of constructors is guaranteed, and the dismounting device is easy to popularize and use.
Drawings
Fig. 1 shows the arrangement of the rope according to the utility model when the rope is used for longitudinal hoisting;
FIG. 2 is a schematic view of the arrangement of the cord of the present invention for lateral movement;
FIG. 3 is an operational view of the weight of the present invention moving to the end of the cross arm;
fig. 4 is an enlarged view of a portion a of fig. 2.
In the figure: 1. balance arm, 2, tripod, 3, xarm, 4, support, 5, balancing weight, 6, first pulley, 7, second pulley, 8, third pulley, 9, fourth pulley, 10, fifth pulley, 11, sixth pulley, 12, slide rail, 13, dismantle the dolly, 14, fixed establishment, 15, dolly drive pulley, 16, first rope fixed pin, 17, second rope fixed pin, 18, rope, 19, movable pulley, 20, dismantle the couple, 21, the solid fixed ring of movable pulley, 22, hoisting mechanism.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-4, a dismounting device for a tower crane counterweight block comprises a tripod 2 arranged at the end of a balance arm 1, a cross arm 3 is arranged at the end of the balance arm 1 above a counterweight block 5, a support 4 is vertically arranged in the middle of the cross arm 3, the bottom of the support 4 is mounted on the balance arm 1, one end of the cross arm 3 is connected to the top end of the tripod 2, the other end of the cross arm 3 extends to the outer side of the support 4, and the counterweight block 5 is arranged on the balance arm 1 between the tripod 2 and the support 4; a first pulley 6 is arranged at the top end of the tripod 2, a second pulley 7 is arranged at the top of the bracket 4, a third pulley 8 is arranged at the outer end of the cross arm 3, a fourth pulley 9 and a fifth pulley 10 are arranged above the middle part of the cross arm 3 at intervals, and a sixth pulley 11 is arranged below the cross arm 3 close to the end of the third pulley 8; a slide rail 12 is arranged on the cross arm 3 along the length direction of the cross arm 3, a disassembly trolley 13 is slidably arranged on the slide rail 12, a fixing mechanism 14 is arranged on the disassembly trolley 13, and a trolley driving pulley 15 is arranged on the disassembly trolley 13; a first rope fixing pin 16 is arranged above the middle part of the cross arm 3, and a second rope fixing pin 17 is arranged at the middle part of the cross arm 3 close to the third pulley 8; the rope fixing device further comprises ropes 18 wound on the pulleys and the rope fixing pins, movable pulleys 19 are arranged on the ropes 18, disassembly hooks 20 are arranged at the bottoms of the movable pulleys 19, and movable pulley fixing rings 21 matched with the fixing mechanisms 14 are arranged at the tops of the movable pulleys 19.
Specifically, when the rope 18 is used for longitudinal lifting, the rope is taken out from the hoisting mechanism 22, wound over the first pulley 6, the second pulley and the third pulley 7 and 8, wound under the fifth pulley 10 and then wound over the fourth pulley 9 after being wound over the third pulley 8, wound over the first rope fixing pin 16 after being wound over the fourth pulley 9, wound under the sixth pulley 11 after being wound over the first rope fixing pin 16, and connected and fixed to the second rope fixing pin 17 after being wound over the sixth pulley 11; a movable sheave 19 is provided on the rope between the fourth sheave 9 and the first rope fixing pin 16.
Specifically, when the rope 18 is used for moving transversely, the rope is taken out from the hoisting mechanism 22, wound above the first pulley 6, the second pulley 7 and the third pulley 8, wound above the sixth pulley 11 after being wound above the third pulley 8, then wound above the trolley driving pulley 15, and connected and fixed to the second rope fixing pin 17 after being wound above the trolley driving pulley 15; a movable pulley 19 is provided on the rope between the carriage driving pulley 15 and the second rope fixing pin 17.
In particular, the fixing mechanism 14 includes a trolley fixing ring, and the trolley fixing ring and the movable pulley fixing ring 21 are connected together by a pin shaft in a matching manner.
When in use:
first, the counterweight 5 needs to be lifted up from the counterweight groove in the longitudinal direction, and after installation according to the winding manner of the rope 18 for longitudinal lifting, by operating hoisting mechanism 22 clockwise, line 18 is paid out in the direction of hoisting mechanism 22, the movable sheave 19 moves downward, the operation of the lifting mechanism 22 is suspended when moving to the position of the counter weight 5, then the disassembly hook 20 below the movable pulley 19 is connected with the hoisting ring of the balancing weight 5, the disassembly hook 20 is in the form of a snap ring, the situation of separation in the disassembly process is avoided, after the installation is completed, the hoisting mechanism 22 is started, the hoisting mechanism 22 runs anticlockwise, the rope is retracted in the direction of the hoisting mechanism 22, the movable pulley 19 can move longitudinally upwards, thereby hoisting the weight 5, when the movable pulley 19 moves to the position of the cross arm 3, suspending the hoisting mechanism 22, the movable pulley fixing ring 21 on the top of the movable pulley 19 and the fixing mechanism 14 of the disassembly trolley 13 are connected together through a pin shaft.
Following removal of the counterweight 5 in the transverse position, after installation according to the winding of the cable 18 for longitudinal lifting, the jack 22 is actuated counterclockwise, the cable 18 is retracted in the direction of the jack 22, and the dismounting trolley 13 is moved transversely along the crossbar 3 until it reaches the end of the crossbar 3.
Next, according to the specific situation of the site, the lifting mechanism 22 is started clockwise to move the counterweight 5 downwards to the ground, and the disassembly of the single counterweight 5 is completed.
All clump weights 5 are then removed in succession in the same way.
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 utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a tower machine balancing weight dismounting device which characterized in that: the balancing device comprises a tripod arranged at the end part of a balancing arm, wherein a cross arm is arranged at the end part of the balancing arm above a balancing weight, a support is vertically arranged in the middle of the cross arm, the bottom of the support is arranged on the balancing arm, one end of the cross arm is connected to the top end of the tripod, the other end of the cross arm extends to the outer side of the support, and the balancing weight is positioned on the balancing arm between the tripod and the support; a first pulley is arranged at the top end of the tripod, a second pulley is arranged at the top of the bracket, a third pulley is arranged at the outer end of the cross arm, a fourth pulley and a fifth pulley are arranged above the middle part of the cross arm at intervals, and a sixth pulley is arranged below the cross arm close to the end of the third pulley; a sliding rail is arranged on the cross arm along the length direction of the cross arm, a dismounting trolley is slidably mounted on the sliding rail, a fixing mechanism is arranged on the dismounting trolley, and a trolley driving pulley is arranged on the dismounting trolley; a first rope fixing pin is arranged above the middle part of the cross arm, and a second rope fixing pin is arranged at the middle part of the cross arm close to the third pulley; the movable pulley is arranged on the rope, the bottom of the movable pulley is provided with a disassembly hook, and the top of the movable pulley is provided with a movable pulley fixing ring matched with the fixing mechanism.
2. The dismounting device for the counterweight of the tower crane according to claim 1, characterized in that: when the rope is used for longitudinal lifting, the rope is discharged from the lifting mechanism and winds above the first pulley, the second pulley and the third pulley, winds below the fifth pulley after winding the third pulley and then winds above the fourth pulley, winds above the first rope fixing pin after winding the fourth pulley, winds below the sixth pulley after winding the first rope fixing pin, and is connected and fixed to the second rope fixing pin after winding the sixth pulley; a movable pulley is sleeved on the rope between the fourth pulley and the first rope fixing pin.
3. The dismounting device for the counterweight of the tower crane according to claim 1, characterized in that: when the rope is used for moving transversely, the rope is discharged from the hoisting mechanism, winds over the first pulley, the second pulley and the third pulley, winds over the sixth pulley, winds over the trolley driving pulley, and is connected and fixed to the second rope fixing pin after winding over the trolley driving pulley; a movable pulley is sleeved on the rope between the trolley driving pulley and the second rope fixing pin.
4. The dismounting device for the counterweight of the tower crane according to claim 1, characterized in that: the fixing mechanism comprises a trolley fixing ring, and the trolley fixing ring and the movable pulley fixing ring are matched and can be connected together through a pin shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121863426.1U CN215479353U (en) | 2021-08-11 | 2021-08-11 | Tower machine balancing weight dismounting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121863426.1U CN215479353U (en) | 2021-08-11 | 2021-08-11 | Tower machine balancing weight dismounting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215479353U true CN215479353U (en) | 2022-01-11 |
Family
ID=79758102
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121863426.1U Expired - Fee Related CN215479353U (en) | 2021-08-11 | 2021-08-11 | Tower machine balancing weight dismounting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215479353U (en) |
-
2021
- 2021-08-11 CN CN202121863426.1U patent/CN215479353U/en not_active Expired - Fee Related
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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: 20220111 |