CN108946477B - Tower crane and cable fixing method thereof - Google Patents
Tower crane and cable fixing method thereof Download PDFInfo
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- CN108946477B CN108946477B CN201810655866.4A CN201810655866A CN108946477B CN 108946477 B CN108946477 B CN 108946477B CN 201810655866 A CN201810655866 A CN 201810655866A CN 108946477 B CN108946477 B CN 108946477B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/12—Arrangements of means for transmitting pneumatic, hydraulic, or electric power to movable parts of devices
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Abstract
The invention discloses a tower crane and a cable fixing method thereof, and the technical scheme is as follows: comprises a main supporting arm and a cable which are supported on the ground, a cab is arranged at the upper end of the main supporting arm, a crane boom and a balance arm are respectively connected with the left side and the right side of the cab, the balance arm is also provided with a hanging head, one end of a cable is connected with the control equipment in the cab, the balance arm also comprises a plurality of clamping pieces connected with the main support arm, the clamping pieces are distributed along the length direction of the main support arm, the cable is attached to the outer side wall of the main support arm and clamped on the clamping pieces, the whole cable can be fixed on the side wall of the main support arm by the clamping pieces, thereby not only ensuring the effective electricity transmission to the control equipment in the cab, and even outside wind-force is great, the cable conductor passes through the joint spare and realizes being stably connected with main tributary brace arm, and the probability that the striking takes place for cable conductor and main tributary brace arm reduces by a wide margin, has prolonged the actual life of cable conductor, and the actual use stability of whole tower crane is higher.
Description
Technical Field
The invention relates to the technical field of hoisting devices, in particular to a tower crane and a cable fixing method thereof.
Background
The tower crane is widely applied to the building industry of China.
Traditional tower crane structure, chinese utility model a tower crane of area control if notice number is CN202609839U, its main tributary brace including being vertical setting, main tributary brace lower extreme is fixed in ground, and main tributary brace upper end is connected with the driver's cabin, and the left and right sides of driver's cabin is equipped with jib loading boom and balance arm, has still set up the hanging head on the balance arm.
An operator sits in the cab and controls the main supporting arm, the crane boom to rotate in the circumferential direction and the lifting head to move back and forth to achieve the lifting effect.
In the middle of the traditional tower crane structure, control center is located the driver's cabin, and needs many cables to supply power, and cable one end is connected in the middle of the controlgear in the driver's cabin, and the other end docks in the power supply unit on ground, and holistic cable distributes along the main tributary brace.
And main tributary brace overall height is higher, in case when meetting great wind-force influence, the cable can sway along with the wind, and the cable lateral wall takes place the striking with the main tributary brace repeatedly, can influence the actual life of cable, and the actual use stability that causes the tower crane is lower.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a tower crane which can stably fix a cable.
The technical purpose of the invention is realized by the following technical scheme: the utility model provides a tower crane, is including supporting in main tributary braced arm, the cable conductor on ground, the upper end of main tributary braced arm is provided with the driver's cabin, and the left and right sides of driver's cabin is connected with jib loading boom and balance arm respectively, has still set up the hanging head on the balance arm, control equipment in the driver's cabin is connected to cable conductor one end, still includes a plurality of joint pieces of connecting in the main tributary braced arm, and a plurality of joint pieces distribute along the length direction of main tributary braced arm, the cable conductor is laminated in main tributary braced arm lateral wall and is.
Through above-mentioned technical scheme, on whole cable conductor can be fixed in the lateral wall of main tributary brace by the card union piece, not only guaranteed the effective electricity transmission to control equipment in the driver's cabin, even outside wind-force is great moreover, the cable conductor passes through the joint spare and realizes stably being connected with the main tributary brace, the probability that the striking takes place for cable conductor and main tributary brace reduces by a wide margin, has prolonged the actual life of cable conductor, and the actual use stability of whole tower crane is higher.
Preferably, the device also comprises a plurality of connecting ropes, a sliding groove is formed in the main supporting arm, the clamping piece is correspondingly connected to the sliding groove in a sliding manner, and the clamping piece can vertically move up and down along the sliding groove; each connecting rope is connected between two adjacent clamping pieces.
Through above-mentioned technical scheme, stand in the driver's cabin, with joint spare and cable conductor down transferring in proper order, joint spare can down remove along the groove that slides, so, operating personnel only need stand in the driver's cabin, can accomplish the work of transferring of cable conductor and joint spare, operation security and convenience obtain promoting by a wide margin.
Preferably, the lengths of the plurality of connecting ropes become longer gradually in a direction away from the cab.
Through the technical scheme, the clamping pieces corresponding to the outer sides of the cables with higher heights are distributed more densely, and the clamping pieces corresponding to the outer sides of the cables with lower heights are distributed more loosely, so that on one hand, the clamping pieces which are distributed more densely can generate better fixing effect on the cables at the position in consideration of relatively larger high-altitude wind power; on the other hand, the whole number of the clamping pieces is reduced to the maximum extent, and the manufacturing cost is saved.
Preferably, the clamping piece closest to the ground is a ground-near clamping block, a first through hole for a cable to pass through is formed in the ground-near clamping block, a propping hole is formed in the hole wall of the first through hole, a propping piece is connected in the propping hole in a sliding manner, a propping spring is connected between the propping piece and the bottom of the propping hole, and is used for applying the propping piece and enabling the end part of the propping piece to prop against the outer side wall of the cable in the first through hole;
the ground approaching clamping block is also internally provided with a triggering block, one end of the triggering block is a triggering end, the other end of the triggering block is a limiting end used for limiting the propping piece to pop out the wall of the first through hole, and the triggering end is used for contacting the ground and promoting the limiting end to be separated from the propping piece.
Through the technical scheme, the clamping piece continuously slides downwards along the sliding groove, the ground clamping block can firstly contact the ground, at the moment, the triggering end can be extruded by the ground, the limiting end can be separated from the abutting piece, the elastic force of the abutting spring is applied to the abutting piece, the end part of the abutting piece can extrude the outer side wall of the cable positioned in the first through hole, and the cable is further fixed in the first through hole; in the action process, the purpose of automatically fixing the end part of the cable close to one side of the ground is realized, an operator can stand in the cab all the time, and the operation is very simple and convenient.
Preferably, a trigger channel is arranged in the ground approaching clamping block, the trigger block is positioned in the trigger channel, a limit groove used for being matched with the limit end is arranged on the outer side wall of the abutting piece, and a limit spring used for pushing the limit end into the limit groove is further arranged in the trigger channel; the triggering end protrudes out of the side wall of the ground approaching fixture block, which is close to the ground.
Through the technical scheme, when the triggering end is not in contact with the ground, the elastic force of the limiting spring is applied to the limiting end, and the limiting end is embedded into the limiting groove so as to limit the ejection of the ejection piece out of the first through hole; when the trigger end contacts the ground, the limiting end can be separated from the limiting groove of the abutting piece, the elastic force of the abutting spring is applied to the abutting piece, and the end part of the abutting piece can protrude out of the hole wall of the first through hole and abut against the outer side wall of the cable in the first through hole so as to fix the cable.
Preferably, the clamping piece closest to the cab is a remote clamping block, a second through hole for the cable to pass through is formed in the remote clamping block, a limiting bolt is connected to the outer side wall of the remote clamping block in a threaded mode, and the end portion of the limiting bolt is located in the second through hole and can abut against the outer side wall of the cable.
Through above-mentioned technical scheme, operating personnel is located the driver's cabin, lays at the cable conductor and finishes, through rotatory spacing bolt, spacing bolt can outstanding in the pore wall of second through hole on the fixture block of far away, and the tip of spacing bolt can offset with the cable conductor lateral wall in the second through hole to inject the cable conductor position of second through hole.
Preferably, the end of the limiting bolt is connected with a rubber pad.
Through above-mentioned technical scheme, can have the rubber pad between the tip of spacing bolt and the cable conductor to reduce the wearing and tearing that spacing bolt tip produced the cable conductor lateral wall.
Preferably, the hole wall of the first through hole and the hole wall of the second through hole are both provided with rubber layers.
Through above-mentioned technical scheme, the rubber layer can reduce the cable conductor and the first through hole pore wall, the conflict wearing and tearing volume between the second through hole pore wall, helps promoting the actual life of cable conductor.
A second object of the present invention is to provide a cable fixing method, which is convenient for fixing a cable.
The technical purpose of the invention is realized by the following technical scheme: a cable fixing method applied to the tower crane comprises the following steps:
step 1: transporting the whole bundle of cable to a cab through hoisting equipment;
step 2: the cable wire is penetrated through all the clamping pieces;
and step 3: and sequentially vertically placing the plurality of clamping pieces and the cable along the sliding groove until the end part of the cable contacts the ground.
Through the technical scheme, an operator always stands in the cab, the cable and the clamping pieces are sequentially and vertically lowered, the clamping pieces can slide downwards along the sliding grooves, and the whole cable can be completely attached to the side wall of the main support arm to complete the fixing work; the whole operation convenience and safety are very high.
Preferably, step 2.1: connecting the end part of the cable to the ground approaching clamping block;
wherein step 2.1 is located between step 2 and step 3.
Through above-mentioned technical scheme, nearly ground fixture block slides down along the groove of sliding at first, and at this moment, the tip bundle of elder generation cable conductor in nearly ground fixture block has reduced the possibility that the accident breaks away from between cable conductor and the joint spare.
In summary, compared with the prior art, the beneficial effects of the invention are as follows: the actual service life of the cable on the tower crane is prolonged; the actual use stability of the whole tower crane is higher; the operator only needs to stand in the cab, can accomplish the whole distribution of cable conductor, and the simple operation nature and security are higher.
Drawings
Fig. 1 is a schematic overall structure diagram of a first embodiment, which is used for highlighting an overall structure situation of the first embodiment;
fig. 2 is a schematic structural diagram of the main support arm according to the first embodiment, which is used for mainly showing the matching arrangement relationship between the main support arm and the clamping member;
FIG. 3 is a partial cross-sectional view of the main support arm according to the first embodiment, which is used to highlight the internal structure of the distal clamping block and the proximal clamping block;
FIG. 4 is an enlarged view of portion A of FIG. 3;
fig. 5 is a schematic view of an internal structure of the ground proximity fixture block, which is used to highlight the position and the matching relationship between the trigger block and the abutting block.
Reference numerals: 1. a main support arm; 2. a cable wire; 3. a rubber layer; 4. a cab; 5. a cargo boom; 6. a balance arm; 7. a hoisting head; 8. a clamping piece; 9. connecting ropes; 10. a sliding groove; 11. a ground approaching fixture block; 12. a first through hole; 13. propping against the top hole; 14. a propping piece; 15. a propping spring; 16. a trigger block; 161. a trigger end; 162. a limiting end; 17. triggering a channel; 18. a limiting groove; 19. a limiting spring; 20. a remote ground fixture block; 21. a second through hole; 22. a limit bolt; 23. and (7) a rubber pad.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The first embodiment is as follows:
a tower crane, see figure 1, includes main tributary brace 1, and main tributary brace 1 is whole to be vertical setting, and the lower extreme of main tributary brace 1 supports in ground, and the upper end of main tributary brace 1 is equipped with driver's cabin 4, and jib loading boom 5 is connected on the left side of driver's cabin 4, is provided with on the jib loading boom 5 and hangs head 7, and hang head 7 can be used to hang and get the heavy object, and the right side of driver's cabin 4 is connected with balance arm 6.
Referring to fig. 1 and 2, a control device is disposed in the cab 4, the control device is connected to the cable 2, and the cable 2 is integrally distributed along the length direction of the main support arm 1 and attached to the side wall of the main support arm 1.
Be equipped with the groove of sliding 10 on main tributary brace 1, the length direction in groove of sliding 10 keeps unanimous with main tributary brace 1's length direction, and in the middle of the embodiment, the groove of sliding 10 is T type groove, and the cooperation of sliding in the groove of sliding 10 has a plurality of joint spare 8, all is connected with between two adjacent joint spare 8 and connects rope 9, and the connection rope 9 that exists is close to cab 4 more on same main tributary brace 1, and the length of single connection rope 9 is shorter more.
Referring to fig. 3 and 4, among the plurality of clamping members 8, the clamping member 8 closest to the ground is a ground-near clamping block 11, a first through hole 12 is formed in the ground-near clamping block 11, the cable 2 passes through the first through hole 12, an abutting hole 13 is formed in the hole wall of the first through hole 12, an abutting member 14 is connected to the abutting hole 13 in a sliding manner, an abutting spring 15 is connected between the abutting member 14 and the bottom of the abutting hole 13, the abutting spring 15 is used for applying the abutting member 14, the end of the abutting member 14 abuts against the outer side wall of the cable 2 located in the first through hole 12, a limiting groove 18 is formed in the outer side wall of the abutting member 14, and a rubber layer 3 is arranged on the hole wall of the first through hole 12 to reduce abrasion between the first through hole 12 and the cable 2.
Referring to fig. 4 and 5, a trigger channel 17 is further disposed in the ground proximity fixture block 11, one end of the trigger channel 17 is communicated with the inside of the first through hole 12, and the other end of the trigger channel 17 penetrates through a side wall of the ground proximity fixture block close to the ground, a trigger block 16 is disposed in the trigger channel 17, one end of the trigger block 16 is a trigger end 161, and the other end is a limit end 162, a main body of the trigger block 16 is L-shaped, and a limit spring 19 is disposed in the trigger channel 17; when the limit end 162 is not pressed by the ground, the limit end 162 protrudes from the outer side wall of the ground-approaching latch 11, the elastic force of the limit spring 19 is applied to the trigger block 16, and the limit end 162 enters the limit groove 18; when the limiting end 162 is pressed by the ground, the limiting spring 19 is compressed and contracted, and the limiting end 162 is separated from the limiting groove 18.
Referring to fig. 1 and 3, the clamping member 8 closest to the cab 4 is a remote clamping block 20, a second through hole 21 is formed in the remote clamping block 20, the cable 2 passes through the second through hole 21, in order to reduce abrasion between the wall of the second through hole 21 and the cable 2, a rubber layer 3 is also arranged on the wall of the second through hole 21, in addition, a limit bolt 22 is connected to the outer side wall of the remote clamping block 20 in a threaded manner, the limit bolt 22 passes through the remote clamping block 20, and the end of the limit bolt 22 is connected with a rubber pad 23; by rotating the limit bolt 22, the limit bolt 22 pushes the rubber pad 23 to abut against the outer side wall of the cable 2.
In the actual use process:
the cable 2 in the cab 4 sequentially penetrates through all the clamping pieces 8, the ground-near clamping block 11 is firstly vertically and downwards placed along the sliding groove 10, the ground-near clamping block 11 can downwards slide along the sliding groove 10, at the moment, the cable 2 is also synchronously and downwards placed, the same operation is carried out, other clamping pieces 8 are sequentially and downwards placed along the sliding groove 10 until the triggering end 161 of the ground-near clamping block 11 is in contact with and extruded with the ground, the triggering block 16 can extrude the limiting spring 19, the limiting end 162 is separated from the limiting groove 18, the elastic force of the abutting spring 15 is applied to the abutting piece 14, and the end part of the abutting piece 14 can abut against the outer side wall of the cable 2; at the same time, the user rotates the limit bolt 22 on the remote latch 20 and urges the rubber pad 23 at the end of the limit bolt 22 against the outer sidewall of the cable 2.
Example two:
a cable fixing method applied to a tower crane in the embodiment I comprises the following steps:
step 1: an operator is positioned in the cab 4, the whole bundle of cable 2 is transported to the cab 4 through hoisting equipment, and the operator takes the cable 2;
step 2: the operator passes the cable 2 through all the clamping pieces 8;
step 2.1: connecting the end part of the cable 2 to the ground approaching clamping block 11;
and step 3: and sequentially vertically placing the clamping pieces 8 and the cable 2 along the sliding groove 10 until the end part of the cable 2 contacts the ground.
Then, the cable 2 on the ground side is connected to other power supply equipment.
The above description is intended to be illustrative of the present invention and not to limit the scope of the invention, which is defined by the claims appended hereto.
Claims (9)
1. The utility model provides a tower crane, is including supporting in main tributary braced arm (1), cable conductor (2) on ground, the upper end of main tributary braced arm (1) is provided with driver's cabin (4), and the left and right sides of driver's cabin (4) is connected with jib loading boom (5) and balance arm (6) respectively, has still set up on jib loading boom (5) and has hung head (7), the controlgear in driver's cabin (4), characterized by are connected to cable conductor (2) one end: the cable support is characterized by further comprising a plurality of clamping pieces (8) connected to the main support arm (1), wherein the clamping pieces (8) are distributed along the length direction of the main support arm (1), and the cable (2) is attached to the outer side wall of the main support arm (1) and clamped to the clamping pieces (8);
the connecting device is characterized by further comprising a plurality of connecting ropes (9), wherein a sliding groove (10) is formed in the main supporting arm (1), the clamping piece (8) is correspondingly connected to the sliding groove (10) in a sliding mode, and the clamping piece (8) can vertically move up and down along the sliding groove (10); each connecting rope (9) is connected between two adjacent clamping pieces (8).
2. The tower crane according to claim 1, wherein: the lengths of the connecting ropes (9) are gradually lengthened along the direction far away from the cab (4).
3. The tower crane according to claim 1 or 2, wherein: the clamping piece (8) closest to the ground is a ground-approaching clamping block (11), a first through hole (12) for a cable (2) to penetrate through is formed in the ground-approaching clamping block (11), an abutting hole (13) is formed in the hole wall of the first through hole (12), an abutting piece (14) is connected to the abutting hole (13) in a sliding mode, an abutting spring (15) is connected between the abutting piece (14) and the hole bottom of the abutting hole (13), the abutting spring (15) is used for applying the abutting piece (14), and the end portion of the abutting piece (14) abuts against the outer side wall of the cable (2) located in the first through hole (12);
the ground approaching fixture block (11) is further internally provided with a trigger block (16), one end of the trigger block (16) is a trigger end (161), the other end of the trigger block is a limiting end (162) used for limiting the propping piece (14) to pop out of the hole wall of the first through hole (12), and the trigger end (161) is used for contacting the ground and promoting the limiting end (162) to be separated from the propping piece (14).
4. The tower crane according to claim 3, wherein: a trigger channel (17) is arranged in the ground approaching clamping block (11), the trigger block (16) is positioned in the trigger channel (17), a limiting groove (18) matched with the limiting end (162) is formed in the outer side wall of the abutting part (14), and a limiting spring (19) used for pushing the limiting end (162) into the limiting groove (18) is further installed in the trigger channel (17); the triggering end (161) protrudes out of the side wall of the ground approaching clamping block (11) close to the ground.
5. The tower crane according to claim 3, wherein: the clamping piece (8) closest to the cab (4) is a remote clamping block (20), a second through hole (21) for the cable (2) to pass through is formed in the remote clamping block (20), a limiting bolt (22) is connected to the outer side wall of the remote clamping block (20) in a threaded mode, and the end portion of the limiting bolt (22) is located in the second through hole (21) and can abut against the outer side wall of the cable (2).
6. The tower crane according to claim 5, wherein: the end part of the limiting bolt (22) is connected with a rubber pad (23).
7. The tower crane according to claim 5, wherein: the hole wall of the first through hole (12) and the hole wall of the second through hole (21) are both provided with a rubber layer (3).
8. A cable fixing method applied to the tower crane according to any one of claims 1-2 comprises the following steps:
step 1: transporting the whole bundle of cable wires (2) to a cab (4) through hoisting equipment;
step 2: the cable (2) passes through all the clamping pieces (8);
and step 3: and sequentially vertically placing the clamping pieces (8) and the cable (2) along the sliding groove (10) until the end part of the cable (2) contacts the ground.
9. The method for fixing an electric cable according to claim 8, wherein:
step 2.1: connecting the end part of the cable (2) to the ground approaching clamping block (11);
wherein step 2.1 is located between step 2 and step 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810655866.4A CN108946477B (en) | 2018-06-23 | 2018-06-23 | Tower crane and cable fixing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810655866.4A CN108946477B (en) | 2018-06-23 | 2018-06-23 | Tower crane and cable fixing method thereof |
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| Publication Number | Publication Date |
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| CN108946477A CN108946477A (en) | 2018-12-07 |
| CN108946477B true CN108946477B (en) | 2020-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810655866.4A Active CN108946477B (en) | 2018-06-23 | 2018-06-23 | Tower crane and cable fixing method thereof |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111392600A (en) * | 2020-04-03 | 2020-07-10 | 中国一冶集团有限公司 | Novel steel structure carrying device and carrying method |
| CN112886481B (en) * | 2021-01-25 | 2022-10-04 | 中国一冶集团有限公司 | Cable laying method for inner climbing type tower crane |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5271585A (en) * | 1990-10-01 | 1993-12-21 | Zetena Jr Maurice F | Modular fiber optics raceway permitting flexible installation |
| JPH1141761A (en) * | 1997-07-18 | 1999-02-12 | Furukawa Electric Co Ltd:The | Structure for attaching wiring harness to panel |
| NZ330252A (en) * | 1998-04-22 | 2000-09-29 | Formway Furniture Ltd | Cable support with head for supporting cable and engagement teeth on base to fit in groove, typically for office workstation |
| CN201232012Y (en) * | 2008-04-18 | 2009-05-06 | 韩崇德 | Tower crane with electronic eye monitoring and earth surface operating |
| JP2010268538A (en) * | 2009-05-12 | 2010-11-25 | Fujikura Ltd | Cable support |
| CN103241653A (en) * | 2013-04-17 | 2013-08-14 | 施健 | Lifting-following device of tower crane cable |
| CN203807013U (en) * | 2014-05-16 | 2014-09-03 | 山东省特种设备检验研究院 | Cable fixing device of tower crane |
| CN205304128U (en) * | 2015-11-30 | 2016-06-08 | 中国建筑第八工程局有限公司 | Tower crane cable fixed bolster |
| CN206422467U (en) * | 2016-12-30 | 2017-08-18 | 上海建工七建集团有限公司 | Cable fixing device |
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2018
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