CN212712478U - Dismounting device for cargo boom and balance arm of tower crane - Google Patents
Dismounting device for cargo boom and balance arm of tower crane Download PDFInfo
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- CN212712478U CN212712478U CN202021433692.6U CN202021433692U CN212712478U CN 212712478 U CN212712478 U CN 212712478U CN 202021433692 U CN202021433692 U CN 202021433692U CN 212712478 U CN212712478 U CN 212712478U
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Abstract
The utility model provides a dismounting device for a crane boom and a balance arm of a tower crane, which comprises a sliding dismounting device arranged on the crane boom, a balance arm dismounting device arranged at the root of the balance arm and a root dismounting device arranged on a returning tower body; the sliding dismounting device is used for dismounting a lifting arm section on the tower crane, the balance arm dismounting device is used for dismounting a balance arm of the tower crane, and the root dismounting device is used for dismounting the balance arm and the lifting arm root section of the tower crane; this scheme sets up corresponding dismouting at the different positions of tower machine and puts, accomplishes the dismantlement work to the jib loading boom and the balance arm of tower machine safely fast, easy operation, dismantlement are with low costs.
Description
Technical Field
The utility model relates to a construction machinery technical field especially relates to a jib loading boom and dismounting device of balance arm of tower crane.
Background
The tower crane is commonly called as a tower crane and is the most common hoisting equipment on the construction site, the tower crane is usually used as main engineering equipment for vertical transportation in the construction process of a main body structure in the construction process of a construction project, the tower crane needs to be disassembled after the construction of the project, and when the whole tower crane is disassembled, a crane boom and a balance arm need to be disassembled in high altitude, and then the tower body is corrected to be capable of automatically descending to the ground so as to complete the disassembling work of the whole tower crane.
At present, the crane is difficult to disassemble a crane boom and a balance arm, the cost is high, the safety is poor, and the disassembling operation is complex.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned problem among the prior art, the utility model provides a jib loading boom and the dismounting device of balance arm of tower crane has solved tower crane and has dismantled jib loading boom complex operation, difficulty, problem with high costs.
In order to achieve the purpose of the invention, the technical scheme adopted by the utility model is as follows:
the dismounting device for the cargo boom and the balance arm of the tower crane comprises a sliding dismounting device arranged on the cargo boom; the sliding dismounting device is used for dismounting a jib section on the tower crane and comprises a first long derrick mast, a first short derrick mast and a trolley sliding along the length direction of the jib boom, one end of the first long derrick mast and one end of the first short derrick mast are hinged with the top of the trolley, a first fixing rope is connected between the first long derrick mast and the first short derrick mast, and the first long derrick mast and the first short derrick mast are fixed in a V shape through the first fixing rope;
an inclined strut is arranged on the side wall of the first short derrick mast, one end of the inclined strut is hinged with the first short derrick mast, and the other end of the inclined strut is connected with the trolley;
the free ends of the first long derrick mast and the first short derrick mast are provided with pulleys, and the free end of the first long derrick mast extends out of the crane boom; the pulley is provided with a first lifting rope, one end of the first lifting rope at the extending end of the first long derrick mast is used for connecting a cargo boom to be disassembled, and the other end of the first lifting rope is connected with a winch of the tower crane.
The holistic jib loading boom of tower machine is formed by the jib loading boom festival connection combination of a lesson, when dismantling the jib loading boom of tower machine, need locate sliding dismounting device wait to dismantle on the jib loading boom festival that the jib loading boom festival is adjacent, through trolley's removal, sliding dismounting device reaches on the appointed jib loading boom festival, utilize the hoist engine of tower machine self to transfer to ground waiting to dismantle the jib loading boom festival through the effect of the wheelset on the length gin pole, relapse many times, accomplish the dismantlement work to whole jib loading boom, high convenience and fast, the operation is simple, and the cost is dismantled in the saving.
Furthermore, because the specification and the model of the jib section are different in size, the angle of a first long derrick mast on the sliding dismounting device needs to be adjusted, the length of the first long derrick mast extending out of the jib section is changed, so that the first lifting rope is connected with the center of the jib section to be dismounted, the inclined stay bar comprises a first stay bar, a second stay bar and a stud bolt with opposite thread directions at two ends, and the first stay bar is connected with the second stay bar through the stud bolt; the free ends of the first support rod and the second support rod are respectively hinged with the first short derrick mast and the trolley.
Through twisting stud, change the length of bracing piece, and then change the support angle of first short gin pole, first fixed rope only receives the pulling force, and the change of the support angle of first short gin pole changes the support angle of first long gin pole, changes the length that first long gin pole extends the jib loading boom festival.
Furthermore, in order to ensure the operation safety of the sliding dismounting device, one end of the first fixing rope is fixedly connected with the first long derrick mast and the first short derrick mast, and the other end of the first fixing rope is fixedly connected with the adjacent hoisting arm section.
Furthermore, in order to facilitate the disassembly of the balance arm section of the tower crane, the device also comprises a balance arm disassembling device arranged at the root part of the balance arm, wherein the balance arm disassembling device comprises a second long gin pole, a second short gin pole, a second lifting rope and a first mounting seat fixedly arranged at the root part of the balance arm; the second long derrick mast extends out of the root part of the balance arm; one ends of the second long derrick mast and the second short derrick mast are fixedly connected with the first mounting seat, and the other ends of the second long derrick mast and the second short derrick mast are respectively provided with a pulley and a connecting lug;
a second fixing rope is fixedly arranged between the two connecting lugs, one end of the second fixing rope is connected with the two connecting lugs, and the other end of the second fixing rope is fixed with the root of the balance arm section;
the second long derrick mast, the second short derrick mast and the second fixing rope form a stable triangular structure;
one end of the second lifting rope is connected with the balance arm section to be disassembled through two pulleys, and the other end of the second lifting rope is connected with the ground winch.
The length of the first long derrick mast is fixed, the extending end of the first long derrick mast is located at the center line of the section of the balance arm to be disassembled, the second lifting rope is fixedly connected with the center line of the section of the balance arm, the balance arm to be disassembled is placed on the ground through a balance arm disassembling device by utilizing a ground fixed winch, and disassembling work of the balance arm is completed.
Furthermore, the device also comprises a root dismounting device arranged on the aligning tower body, wherein the root dismounting device is used for dismounting the root sections of the balance arm and the cargo boom of the tower crane; the root detaching device comprises two third raking bars and a second mounting seat fixedly arranged on the aligning tower body;
the two third derrick booms extend out of the centering tower body, one ends of the two third derrick booms are fixedly connected with the second mounting seat respectively, pulleys are arranged at the other ends of the two third derrick booms, third lifting ropes are arranged on the pulleys, one ends of the third lifting ropes are connected with the root sections of the crane booms to be disassembled or the root sections of the balance arms to be disassembled, and the other ends of the third lifting ropes are connected with a ground winch;
and a third fixing rope is arranged between the two third derrick booms, one end of the third fixing rope fixes the two third derrick booms, the other end of the third fixing rope is fixedly connected with the aligning tower body, and the ground fixing winch is used for completing the disassembly work of the tower crane balance arm and the crane boom root section through the root disassembling device.
The utility model has the advantages that: this scheme sets up corresponding dismouting at the different positions of tower machine and puts, accomplishes the dismantlement work to the jib loading boom and the balance arm of tower machine safely fast, easy operation, dismantlement are with low costs.
Drawings
Fig. 1 is a schematic structural view of the slide dismounting device.
Fig. 2 is a schematic structural view of the diagonal brace.
Fig. 3 is a schematic structural diagram of the balance arm dismounting device.
FIG. 4 is a schematic view of the root detacher.
Wherein, 1, a jib section; 2. a sliding dismounting device; 201. a first long gin pole; 202. a first short gin pole; 203. a trolley; 204. a first lifting rope; 3. a first securing cord; 4. a diagonal brace; 401. a first stay bar; 402. a second stay bar; 403. a stud bolt; 5. balancing arm root sections; 6. a balance arm dismounting device; 601. a second long gin pole; 602. a second short gin pole; 603. a second lifting rope; 604. a first mounting seat; 605. connecting lugs; 606. a second securing cord; 7. a balance arm section; 8. correcting the tower body; 9. a section removal device; 901. a third derrick mast; 902. a second mounting seat; 903. a third lifting rope; 904. a third securing cord; 10. the root part of the crane boom is provided with a section.
Detailed Description
The following description of the embodiments of the present invention is provided to facilitate the understanding of the present invention by those skilled in the art, but it should be understood that the present invention is not limited to the scope of the embodiments, and various changes will be apparent to those skilled in the art as long as they are within the spirit and scope of the present invention as defined and defined by the appended claims, and all inventions contemplated by the present invention are protected.
As shown in fig. 1 to 4, the utility model provides a dismounting device for a crane boom and a balance arm of a tower crane, which comprises a sliding dismounting device 2 arranged on the crane boom, a balance arm dismounting device 6 arranged at the root of the balance arm, and a root dismounting device 9 arranged at a centering tower body 8;
the sliding dismounting device 2 is used for dismounting a jib section 1 on the tower crane, the sliding dismounting device 2 comprises a first long derrick mast 201, a first short derrick mast 202 and a crane trolley 203 which slides along the length direction of the jib boom, one end of the first long derrick mast 201 and one end of the first short derrick mast 202 are hinged with the top of the crane trolley 203, a first fixing rope 3 is connected between the first long derrick mast 201 and the first short derrick mast 202, and the first long derrick mast 201 and the first short derrick mast 202 are fixed in a V shape through the first fixing rope 3;
an inclined strut 4 is arranged on the side wall of the first short derrick mast 202, one end of the inclined strut 4 is hinged with the first short derrick mast 202, and the other end of the inclined strut 4 is connected with a hoisting trolley 203;
the free ends of the first long derrick mast 201 and the first short derrick mast 202 are both provided with pulleys, and the free end of the first long derrick mast 201 extends out of the crane boom; a first lifting rope 204 is arranged on the pulley, one end of the first lifting rope 204 at the extending end of the first long derrick 201 is used for connecting a cargo boom to be disassembled, and the other end is connected with a winch of the tower crane.
Because the sizes of the jib sections 1 are different, the angle of the first long derrick mast 201 on the sliding dismounting device 2 needs to be adjusted, the length of the first long derrick mast 201 extending out of the jib section 1 is changed, so that the first lifting rope 204 is connected with the center of the jib section 1 to be dismounted, the diagonal brace 4 comprises a first brace 401, a second brace 402 and a stud bolt 403 with opposite thread directions at two ends, and the first brace 401 is connected with the second brace 402 through the stud bolt 403; the free ends of the first brace 401 and the second brace 402 are hinged with the first short derrick 202 and the trolley 203, respectively.
One end of the first fixing rope 3 is fixedly connected with the first long derrick mast 201 and the first short derrick mast 202, and the other end is fixedly connected with the adjacent lifting arm section 1. The first fixing rope 3 is not only used for connecting and fixing the first long derrick 201 and the first short derrick 202, but also used for anchoring on the jib section 1, so that the safety of the operation of the sliding dismounting device 2 is improved.
By screwing the stud bolts 403, the length of the diagonal brace 4 is changed, and further the supporting angle of the first short derrick mast 202 is changed, the first fixing rope 3 is only pulled, and the supporting angle of the first short derrick mast 202 is changed, so that the supporting angle of the first long derrick mast 201 is changed, and the length of the first long derrick mast 201 extending out of the jib section 1 is changed.
The holistic jib loading boom of tower machine is formed by the jib section 1 connection combination of a lesson, when dismantling the jib loading boom of tower machine, need locate slip dismounting device 2 wait to dismantle on jib section 1 adjacent jib section 1, through trolley 203's removal, slip dismounting device 2 reaches on the appointed jib section 1, utilize the hoist engine of tower machine self to descend to ground through the effect of the wheelset on the length gin pole with waiting to dismantle jib section 1, relapse many times, accomplish the dismantlement work to whole jib loading boom, high convenience and fastness, the operation is simple, and the cost is dismantled in the saving.
The balance arm dismounting device 6 is used for dismounting a balance arm of the tower crane, and the balance arm dismounting device 6 comprises a second long gin pole 601, a second short gin pole 602, a second lifting rope 603 and a first mounting seat 604 fixedly arranged at the root part of the balance arm; the second long derrick mast 601 extends out of the root of the balance arm; one ends of the second long derrick 601 and the second short derrick 602 are fixedly connected with the first mounting base 604, and the other ends of the second long derrick 601 and the second short derrick 602 are respectively provided with a pulley and a connecting lug 605;
a second fixing rope 606 is fixedly arranged between the two connecting lugs 605, one end of the second fixing rope 606 is connected with the two connecting lugs 605, and the other end of the second fixing rope 606 is fixed with the root part of the balance arm section 7;
the second long derrick 601, the second short derrick 602 and the second fixing rope 606 form a stable triangular structure;
one end of the second lifting rope 603 is connected with the balance arm section 7 to be detached through two pulleys, and the other end is connected with the ground winch.
The specifications and sizes of the balance arm sections 7 are consistent, the lengths are consistent, the angle between the second long derrick mast 601 and the second short derrick mast 602 does not need to be adjusted, the length of the root of the second long derrick mast 601 extending out of the balance arm sections 7 is fixed, the extending end of the second long derrick mast 601 is located at the central line of the balance arm section 7 to be disassembled, the second lifting rope 603 is fixedly connected with the central line of the balance arm section 7, the balance arm to be disassembled is placed on the ground through the balance arm disassembling device 6 by utilizing a ground fixed winch, and the disassembling work of the balance arm is completed.
The root part dismounting device 9 is used for dismounting a balance arm root part section 5 and a cargo boom root part section 10 of the tower crane; the root detaching device 9 comprises two third raking bars 901 and a second mounting seat 902 fixedly arranged on the aligning tower body 8;
the two third derrick booms 901 extend out of the aligning tower body 8, one ends of the two third derrick booms 901 are fixedly connected with the second mounting base 902 respectively, pulleys are arranged at the other ends of the two third derrick booms 901, third lifting ropes 903 are arranged on the pulleys, one ends of the third lifting ropes 903 are connected with a crane boom root section 10 to be disassembled or a balance arm root section 5 to be disassembled, and the other ends of the third lifting ropes 903 are connected with a ground winch;
a third fixing rope 904 is arranged between the two third derrick booms 901, one end of the third fixing rope 904 fixes the two third derrick booms 901, the other end of the third fixing rope 904 is fixedly connected with the aligning tower body 8, and the ground fixing winch completes the dismounting work of the tower crane balance arm root section 5 and the crane boom root section 10 through the root dismounting device 9.
Claims (5)
1. A dismounting device for a cargo boom and a balance arm of a tower crane is characterized by comprising a sliding dismounting device (2) arranged on a cargo boom section (1);
the sliding dismounting device (2) comprises a first long derrick mast (201), a first short derrick mast (202) and a crane trolley (203) which slides along the length direction of the crane boom section (1), one ends of the first long derrick mast (201) and the first short derrick mast (202) are hinged with the top of the crane trolley (203), a first fixing rope (3) is connected between the first long derrick mast (201) and the first short derrick mast (202), and the first long derrick mast (201) and the first short derrick mast (202) are fixed in a V shape through the first fixing rope (3);
an inclined strut (4) is arranged on the side wall of the first short derrick mast (202), one end of the inclined strut (4) is hinged with the first short derrick mast (202), and the other end of the inclined strut is connected with a trolley (203);
the free ends of the first long derrick mast (201) and the first short derrick mast (202) are respectively provided with a pulley, and the free end of the first long derrick mast (201) extends out of the crane jib joint (1); the pulley is provided with a first lifting rope (204), one end of the first lifting rope (204) at the extending end of the first long derrick mast (201) is used for connecting a lifting arm section (1) to be disassembled, and the other end of the first lifting rope is connected with a winch of the tower crane.
2. The dismounting device for the crane arm and the balance arm of the tower crane according to claim 1, wherein the diagonal brace (4) comprises a first brace rod (401), a second brace rod (402) and a stud bolt (403) with opposite thread directions, and the first brace rod (401) and the second brace rod (402) are connected through the stud bolt (403); the free ends of the first stay bar (401) and the second stay bar (402) are respectively hinged with the side wall of the first short derrick mast (202) and the crane trolley (203).
3. The dismounting device for the boom and the balance arm of the tower crane is characterized in that one end of the first fixing rope (3) is fixedly connected with the first long derrick mast (201) and the first short derrick mast (202), and the other end is fixedly connected with the adjacent boom section (1).
4. The dismounting device for the crane boom and the balance arm of the tower crane according to claim 1, further comprising a balance arm dismounting device (6) arranged at the balance arm root section (5), wherein the balance arm dismounting device (6) comprises a second long gin pole (601), a second short gin pole (602), a second lifting rope (603) and a first mounting seat (604) fixedly arranged at the balance arm root section (5); the second long derrick mast (601) extends out of a balance arm root section (5);
one ends of the second long derrick mast (601) and the second short derrick mast (602) are fixedly connected with the first mounting seat (604), and the other ends of the second long derrick mast (601) and the second short derrick mast (602) are respectively provided with a pulley and a connecting lug (605);
a second fixing rope (606) is fixedly arranged between the two connecting lugs (605), one end of the second fixing rope (606) is connected with the two connecting lugs (605), and the other end of the second fixing rope is fixed with the root section (5) of the balance arm;
the second long derrick mast (601), the second short derrick mast (602) and the second fixing rope (606) form a stable triangular structure;
one end of the second lifting rope (603) is connected with a balance arm section (7) to be disassembled through two pulleys, and the other end of the second lifting rope is connected with a ground winch.
5. The dismounting device for the boom and the balance arm of the tower crane is characterized by further comprising a root dismounting device (9) arranged on the aligning tower body (8), wherein the root dismounting device (9) comprises two third raking bars (901) and a second mounting seat (902) fixedly arranged on the aligning tower body (8);
the two third derrick booms (901) extend out to return to the right tower body (8), one ends of the two third derrick booms (901) are fixedly connected with the second mounting base (902) respectively, pulleys are arranged at the other ends of the two third derrick booms, third lifting ropes (903) are arranged on the pulleys, one ends of the third lifting ropes (903) are connected with a crane boom root section (10) to be disassembled or a balance arm root section (5) to be disassembled, and the other ends of the third lifting ropes are connected with a ground winch;
a third fixing rope (904) is arranged between the two third derrick booms (901), one end of the third fixing rope (904) is used for fixing the two third derrick booms (901), and the other end of the third fixing rope (904) is fixedly connected with the aligning tower body (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021433692.6U CN212712478U (en) | 2020-07-20 | 2020-07-20 | Dismounting device for cargo boom and balance arm of tower crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021433692.6U CN212712478U (en) | 2020-07-20 | 2020-07-20 | Dismounting device for cargo boom and balance arm of tower crane |
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| Publication Number | Publication Date |
|---|---|
| CN212712478U true CN212712478U (en) | 2021-03-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021433692.6U Active CN212712478U (en) | 2020-07-20 | 2020-07-20 | Dismounting device for cargo boom and balance arm of tower crane |
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| CN (1) | CN212712478U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114436133A (en) * | 2022-02-18 | 2022-05-06 | 广州珠江建设发展有限公司 | High-altitude tower crane arm rod self-disassembling auxiliary device and construction method thereof |
-
2020
- 2020-07-20 CN CN202021433692.6U patent/CN212712478U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114436133A (en) * | 2022-02-18 | 2022-05-06 | 广州珠江建设发展有限公司 | High-altitude tower crane arm rod self-disassembling auxiliary device and construction method thereof |
| CN114436133B (en) * | 2022-02-18 | 2024-02-27 | 广州珠江建设发展有限公司 | High-altitude tower crane arm rod self-disassembly auxiliary device and construction method thereof |
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