CN102633195B - Self-balancing amplitude modulation holding pole - Google Patents

Self-balancing amplitude modulation holding pole Download PDF

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Publication number
CN102633195B
CN102633195B CN 201210107995 CN201210107995A CN102633195B CN 102633195 B CN102633195 B CN 102633195B CN 201210107995 CN201210107995 CN 201210107995 CN 201210107995 A CN201210107995 A CN 201210107995A CN 102633195 B CN102633195 B CN 102633195B
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China
Prior art keywords
amplitude modulation
arm
pulley
pole
main pole
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CN102633195A (en
Inventor
杨小斌
王光祥
景文川
吴开贤
陈治明
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Sichuan Electric Power Transmission & Transformation Construction Co., Ltd.
State Grid Corp of China SGCC
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Sichuan Electric Power Transmission & Transformation Construction Co Ltd
State Grid Corp of China SGCC
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Abstract

The invention relates to a self-balancing amplitude modulation holding pole which comprises a main holding pole, a suspension arm, a first amplitude modulation pulley, a second amplitude modulation pulley, an amplitude modulation tackle, an amplitude modulation rope and a lifting rope, wherein the suspension arm, the first amplitude modulation pulley, the second amplitude modulation pulley, the amplitude modulation tackle and the amplitude modulation rope are symmetrically arranged relatively to the main holding pole; and the stress points of the lifting rope on the amplitude modulation holding pole are symmetrical relatively to the main holding pole. Compared with the prior art, the self-balancing amplitude modulation holding pole realizes self-balancing stress of weights arranged on the two sides relatively to the holding pole, and reduces the requirement on the strength of the main holding pole and the suspension arm, thus reducing the structural size and the weight of the main holding pole and the suspension arm on the whole, and being convenient in transportation, installation and disassembly, low in cost and beneficial to popularization and application.

Description

A kind of self-balancing amplitude modulation pole
Technical field
The invention belongs to power construction plant technical field, particularly relate to a kind of transmission line of electricity group tower constructing device.
Background technology
Along with the construction of extra-high voltage, the extra high voltage line tower erection is compared common 500 KV steel towers, has height, large, characteristics heavily, the tower erection difficulty of construction is very large, especially the lifting operation radius is large, continue to adopt traditional inner suspended holding pole group tower, and operating efficiency is low and security risk is large.For raising the efficiency and safety control, many units in charge of construction have researched and developed the forms of construction work such as two flat arm poles (CN200920200519.9), two flat arm seats ground poles (CN200720085113.1), two rocker pole (CN200920114311.5), tower crane lifting group tower in succession.But because number of components is many, scantling of structure is large, cause above-mentioned pole equipment to exist substance and always great, building site transportation to use inconvenience, purchase problems such as transporting the use cost height, be difficult to wide popularization and application, especially be strategically located and difficult of access under topographic condition, can't discharge hanging piece and control wind rope and existing flat arm pole or tower crane scantling of structure and be difficult to greatly be transported to a tower position and can't adopt.In addition, for flat arm pole and tower crane, be to adjust by the round operation of loading trolley above arm the amplitude range that suspension hook covers, under the dolly loading condition, arm has been formed to larger moment of flexure, therefore high to the boom structure requirement of strength; For rocker pole, be the rotation by rocking arm, realize adjusting the amplitude range that suspension hook covers, the strained condition frequent variations of arm in rotary course is high to the boom structure requirement of strength equally.
Summary of the invention
Given this, the purpose of this invention is to provide that a kind of operating radius is large, system is subject to force self-balanced, safe, amplitude modulation mechanism advantages of simple, required corollary equipment is few, scantling of structure and weight little, transport tower erection constructing device easy to install, i.e. self-balancing amplitude modulation pole.
For solving the problems of the technologies described above, technical scheme provided by the invention is, a kind of self-balancing amplitude modulation pole is provided, on in main pole, the position bilateral symmetry is provided with arm, main pole top is equipped with the knuckle arm assembly, described knuckle arm assembly top is provided with two pulleys, and upper end, main pole right side is equipped with standing block, and on the main pole of standing block below, left and right is symmetrically installed with the first amplitude modulation pulley; Arm is hinged on main pole, and the arm outer end is equipped with the second amplitude modulation coaster; The hanger rod component upper end connects the top of main pole, and lower end connects the outer end of arm; The amplitude modulation rope is walked around the movable pulley in main pole, by pulling force rope, with the ground force application apparatus, be connected, the amplitude modulation rope is symmetrical arranged with respect to the main pole left and right sides: right side amplitude modulation rope is upward through main pole, walks around successively the first pulley of right side the first amplitude modulation pulley, right side the second amplitude modulation pulley, amplitude modulation coaster, finally be fixedly attached on the housing of the second amplitude modulation pulley, above-mentioned amplitude modulation coaster is positioned at the second amplitude modulation pulley below; Lifting rope one end is fixed on upper end, main pole left side, the lifting rope other end walk around successively the second pulley, knuckle arm assembly top pulley, the right side amplitude modulation coaster of the 3rd pulley of left side amplitude modulation coaster, the tackle block that hangs weight, left side amplitude modulation coaster the second pulley, hang tackle block, the 3rd pulley of right side amplitude modulation coaster, the standing block of weight, finally connect the lifting appliance on ground.Advantageously, by being symmetrical arranged of above-mentioned each parts, make the stress point of main pole and arm with respect to main pole center line left-right symmetric, the set-up mode of lifting rope and vertically hung scroll rope, realize that suspension hook covers the adjustment of amplitude range, the component realization of the horizontal direction that inwardly amplitude modulation relies on hoisting heavy gravity to produce, outwards amplitude modulation need, by external force, pull movable pulley to realize downwards by the ground force application apparatus.
After the end of job of group tower, arm rotates up with main pole and fixes, and device is whole drop to ground from the steel tower inner body, makes field-strip safer.
The weight landing of main pole both sides is by a lifting rope, and luffing, by a luffing rope, completes lifting and luffing action.Lifting rope and luffing rope are all symmetrical to the point of application of main pole and arm, the position that remains the relatively main pole of weight is also symmetrical, realize the both sides weight to pole be subject to force self-balancedly, reduce the requirement of strength to main pole, thereby reach the purpose that reduces scantling of structure and weight.
In this device, arm plays the effect of a strut bar, for the lifting and amplitude modulation fulcrum is provided.Arm, except deadweight produces moment of flexure, does not have other additional bending moments, compares the arm of dolly amplitude modulation and rocking arm amplitude modulation, lower to the requirement of strength of arm, thereby reduces scantling of structure and the weight of arm.Do not use loading trolley of the prior art, avoided loading trolley in operational process, arm to be applied to the pressure perpendicular to the earth's core on arm, this pressure confinement is to hoisting heavy weight and require arm to have higher structural strength.
Described arm the inner is equipped with the arm base, and described arm base is to be provided with the arm auricle at its arm base plate middle part; Main pole middle and upper part is equipped with the connection pedestal, and the structure of described connection base is: be provided with four and be responsible for corresponding mounting hole with main pole on connection base mainboard, the above-mentioned mainboard left and right sides is symmetrically arranged with the pedestal auricle; Arm auricle and pedestal auricle are hinged.
Described arm is connected and composed by bolt by several arm lattice sections, and the arm outer end is equipped with the arm composite beam; Described arm lattice section cross-sectional plane is square, and four main materials lay respectively on four angles of square, between main material, by several oblique materials, be welded and fixed, and every main material two ends difference welding gasket, adjacent two pads are connected by the flange angle steel.When arm lattice section long enough, welding cross in arm lattice section middle part can be strengthened the intensity of arm lattice section.
Further, described arm composite beam is to be provided with a pair of composite beam the first auricle at its composite beam mainboard one upper lateral part, the opposite side middle part is provided with composite beam second auricle, and composite beam the first auricle and hanger rod component lower end are hinged, hinged the second amplitude modulation coaster of composite beam the second auricle.
The structure of described hanger rod component is: between the suspension rod of hanger rod component and extension rod, be provided with flower basket bolt.Advantageously, the flower basket bolt on hanger rod component, for finely tuning the length of hanger rod component, reaches the purpose of the angle of regulating arm and horizontal surface.
The first amplitude modulation pulley installation site, main pole upper end is horizontally installed with the suspension rod suspension member, and the structure of described suspension rod suspension member is: be provided with four and be responsible for corresponding mounting hole with main pole on the suspension member base plate, at suspension member base plate left and right sides, be provided with the suspension member auricle; Upper end and the suspension member auricle of the first amplitude modulation pulley and hanger rod component are hinged.
Usually, main pole is to be formed by connecting by a plurality of lattice sections, the suspension rod suspension member be connected the junction of floor installation in lattice section and lattice section.Preferably, described main pole is circular pipe type inner suspended holding pole.This circular pipe type inner suspended holding pole is the described device of Chinese patent 200910058946.2.
The accompanying drawing explanation
Fig. 1-1st, self-balancing amplitude modulation pole overall schematic.
Fig. 1-2 is the A of balanced amplitude modulation pole shown in Fig. 1-1 partial enlarged drawing.
Fig. 2 is the right side of balanced amplitude modulation pole shown in Fig. 1-1 part schematic diagram.
Fig. 3-1st, self-equalizing amplitude modulation pole lifting rope and amplitude modulation rope arrange schematic diagram.
Fig. 3-2nd, the pole lifting rope of self-equalizing amplitude modulation shown in Fig. 3-1 and amplitude modulation rope arrange the top enlarged diagram.
Fig. 4-1st, self-balancing amplitude modulation pole arm scheme of installation.
Fig. 4-2nd, B partial enlarged drawing shown in Fig. 4-1.
Fig. 5-1st, arm lattice section front view.
Fig. 5-2nd, the section of arm lattice shown in Fig. 5-1 upward view.
Fig. 5-3rd, the section of arm lattice shown in Fig. 5-1 right elevation.
Fig. 5-4th, C partial enlarged drawing shown in Fig. 5-3.
Fig. 6-1st, arm base front view.
Fig. 6-2nd, arm base vertical view shown in Fig. 6-1.
Fig. 7-1st, boom arm sections resultant front view.
Fig. 7-2nd, the upward view of arm composite beam shown in Fig. 7-1.
Fig. 7-3rd, the left view of arm composite beam shown in Fig. 7-1.
Fig. 8-1st, connect the pedestal front view.
Fig. 8-2nd, connect the pedestal birds-eye view shown in Fig. 8-1.
Fig. 9 is the hanger rod component structural representation.
Figure 10-1st, suspension rod suspension member front view.
Figure 10-2nd, suspension rod suspension member birds-eye view.
Figure 11-1st, amplitude modulation coaster front view.
Figure 11-2nd, shown in Figure 11-1, the amplitude modulation coaster is overlooked part sectional view.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, describe.
Fig. 1-1 shows the whole example of self-balancing amplitude modulation pole.Referring to Fig. 1-1, to Fig. 3-2, at main pole 1, be circular pipe type inner suspended holding pole, mobile jib is that multistage lattice section is connected and combined by bolt, as described in Chinese patent 200910058946.2.In main pole 1, upper position bilateral symmetry is provided with arm 2, and main pole top is equipped with knuckle arm assembly 101, and described knuckle arm assembly 101 tops are provided with two pulleys.Main pole 1 upper end, right side is equipped with standing block 901, and on the main pole 1 of standing block 901 belows, left and right is symmetrically installed with the first amplitude modulation pulley 902a, 902b; Arm 2 is hinged on main pole, and arm 2 outer ends are equipped with the second amplitude modulation coaster 903a, 903b; Hanger rod component 4 upper ends connect the top of main pole 1, and lower end connects the outer end of arm 2.Amplitude modulation rope 8 is walked around the movable pulley 905 in main pole 1, by pulling force rope, with the ground force application apparatus, be connected, amplitude modulation rope 8 is symmetrical arranged with respect to main pole 1 left and right sides: right side amplitude modulation rope is upward through main pole 1, walks around successively the first pulley 301 of right side the first amplitude modulation pulley 902a, right side the second amplitude modulation pulley 903a, amplitude modulation coaster 3, finally be fixedly attached on the housing of the second amplitude modulation pulley 903a, above-mentioned amplitude modulation coaster 3 is positioned at the second amplitude modulation pulley below, this amplitude modulation coaster as Figure 11-1 to as shown in 11-2; Lifting rope 7 one ends are fixed on main pole 1 upper end, left side, lifting rope 7 other ends walk around successively the second pulley 302, knuckle arm assembly 101 top pulleys, the right side amplitude modulation coaster of the 3rd pulley 303 of left side amplitude modulation coaster, the tackle block 904b that hangs weight, left side amplitude modulation coaster 3 the second pulley 302, hang tackle block 904a, the 3rd pulley 303 of right side amplitude modulation coaster, the standing block 901 of weight, finally connect the lifting appliance on ground.
Referring to Fig. 4-1 and Fig. 6-1, Fig. 6-2, arm 2 the inners are equipped with arm base 220, and described arm base 220 is to be provided with arm auricle 222 at its arm base plate 221 middle parts.Intersegmental being equipped with of main pole 1 middle and upper part two lattices connects pedestal 6, the structure of described connection base 6 is: be provided with four and be responsible for corresponding mounting hole with main pole on connection base mainboard 601, the above-mentioned mainboard left and right sides is symmetrically arranged with pedestal auricle 602, as shown in Fig. 8-1 and Fig. 8-2.Arm auricle 222 is hinged with pedestal auricle 602.
Referring to Fig. 4-1, to Fig. 5-4, arm 2 is connected and composed by bolt by several arm lattice sections 210, and arm 2 outer ends are equipped with arm composite beam 230; Described arm lattice section 210 cross-sectional planes are square, and four main materials 211 lay respectively on four angles of square, between main material 211, by several oblique materials 212, be welded and fixed, and every main material two ends difference welding gasket 213, adjacent two pads are connected by flange angle steel 214.
Referring to Fig. 7-1 to Fig. 7-3, the structure of arm composite beam 230 is: composite beam mainboard 231 1 upper lateral parts are provided with a pair of composite beam the first auricle 232, the opposite side middle part is provided with a composite beam the second auricle 233, composite beam the first auricle 232 is hinged with hanger rod component 4 lower ends, hinged the second amplitude modulation coaster 903a of composite beam the second auricle 233,903b.
Referring to Fig. 9, the structure of hanger rod component 4 is: between the suspension rod 401 of hanger rod component 4 and extension rod 403, be provided with flower basket bolt 402.Flower basket bolt 402 is for finely tuning the length of hanger rod component.
Main pole 1 upper end is horizontally installed with suspension rod suspension member 5 between first and second lattice section from top to bottom, i.e. the first amplitude modulation pulley 902a, 902b installation site, the structure of described suspension rod suspension member is: be provided with four and be responsible for corresponding mounting hole with main pole on suspension member base plate 501, be provided with suspension member auricle 502 at suspension member base plate 501 left and right sides, as shown in Figure 10-1 and Figure 10-2.Upper end and the suspension member auricle 502 of the first amplitude modulation pulley 902a, 902b and hanger rod component 4 are hinged.
Be below only the preferred embodiment of the present invention, it should be pointed out that above-mentioned preferred implementation should not be considered as limitation of the present invention, protection scope of the present invention should be as the criterion with the claim limited range.For those skilled in the art, without departing from the spirit and scope of the present invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.

Claims (7)

1. a self-balancing amplitude modulation pole, in main pole (1), upper position bilateral symmetry is provided with arm (2), main pole top is equipped with knuckle arm assembly (101), described knuckle arm assembly (101) top is provided with two pulleys, it is characterized in that, main pole (1) upper end, right side is equipped with standing block (901), and the upper left and right of the main pole (1) of standing block (901) below is symmetrically installed with the first amplitude modulation pulley (902a, 902b); Arm (2) is hinged on main pole, and arm (2) outer end is equipped with the second amplitude modulation pulley (903a, 903b); Hanger rod component (4) upper end connects the top of main pole (1), and lower end connects the outer end of arm (2); Amplitude modulation rope (8) is walked around the movable pulley (905) in main pole (1), by pulling force rope, with the ground force application apparatus, be connected, amplitude modulation rope (8) is symmetrical arranged with respect to main pole (1) left and right sides: right side amplitude modulation rope is upward through main pole (1), walks around successively first pulley (301) of right side the first amplitude modulation pulley (902a), right side the second amplitude modulation pulley (903a), right side amplitude modulation coaster (3), finally be fixedly attached on the housing of right side the second amplitude modulation pulley (903a), above-mentioned right side amplitude modulation coaster is positioned at the second amplitude modulation pulley below, right side; Lifting rope (7) one ends are fixed on upper end, main pole (1) left side, lifting rope (7) other end is walked around second pulley (302), knuckle arm assembly (101) top pulley, second pulley (302) of right side amplitude modulation coaster, tackle block (904a), the 3rd pulley (303) of right side amplitude modulation coaster, the standing block (901) that right side hangs weight of the 3rd pulley (303) of left side amplitude modulation coaster, tackle block (904b) that left side hangs weight, left side amplitude modulation coaster (3) successively, finally connects the lifting appliance on ground.
2. a kind of self-balancing amplitude modulation pole according to claim 1, is characterized in that, described arm (2) the inner is equipped with arm base (220), and described arm base (220) is to be provided with arm auricle (222) at its arm base plate (221) middle part; Main pole (1) middle and upper part is equipped with and connects base (6), the structure of described connection base (6) is: be provided with four and be responsible for corresponding mounting hole with main pole on connection base mainboard (601), the above-mentioned mainboard left and right sides is symmetrically arranged with pedestal auricle (602); Arm auricle (222) is hinged with pedestal auricle (602).
3. a kind of self-balancing amplitude modulation pole according to claim 2, is characterized in that, described arm (2) is bolted formation by several arm lattice sections (210), and arm (2) outer end is equipped with arm composite beam (230); Described arm lattice section (210) cross-sectional plane is square, four main materials (211) lay respectively on four angles of square, between main material (211), by several oblique materials (212), be welded and fixed, every main material two ends difference welding gasket (213), adjacent two pads are connected by flange angle steel (214).
4. a kind of self-balancing amplitude modulation pole according to claim 3, it is characterized in that, described arm composite beam (230) is to be provided with a pair of composite beam the first auricle (232) at its composite beam mainboard (231) one upper lateral parts, the opposite side middle part is provided with composite beam second auricle (233), composite beam the first auricle (232) is hinged with hanger rod component (4) lower end, hinged the second amplitude modulation pulley of composite beam the second auricle (233) (903a, 903b).
5. according to the described a kind of self-balancing amplitude modulation pole of the arbitrary claim of claim 1~4, it is characterized in that, the structure of described hanger rod component (4) is: between the suspension rod (401) of hanger rod component (4) and extension rod (403), be provided with flower basket bolt (402).
6. a kind of self-balancing amplitude modulation pole according to claim 1, it is characterized in that, main pole (1) upper end the first amplitude modulation pulley (902a, 902b) installation site is horizontally installed with suspension rod suspension member (5), the structure of described suspension rod suspension member is: be provided with four and be responsible for corresponding mounting hole with main pole on suspension member base plate (501), at suspension member base plate (501) left and right sides, be provided with suspension member auricle (502); Upper end and the suspension member auricle (502) of the first amplitude modulation pulley (902a, 902b) and hanger rod component (4) are hinged.
7. a kind of self-balancing amplitude modulation pole according to claim 1, is characterized in that, described main pole (1) is circular pipe type inner suspended holding pole.
CN 201210107995 2012-04-13 2012-04-13 Self-balancing amplitude modulation holding pole Active CN102633195B (en)

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Application Number Priority Date Filing Date Title
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CN102633195B true CN102633195B (en) 2013-12-25

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103434946A (en) * 2013-09-08 2013-12-11 东台市富康工程机械厂 Movable type tower crane

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2223285Y (en) * 1995-03-06 1996-03-27 郝恩孝 60M arm-long QTZ-200H tower crane
CN2345522Y (en) * 1998-12-07 1999-10-27 黄信芝 Self-loading, self-lifting type balance crane
CN1837011A (en) * 2006-04-20 2006-09-27 谭春阳 Self-balancing up-rotary type tower crane and operation control
CN202625662U (en) * 2012-04-13 2012-12-26 四川电力送变电建设公司 Self-balancing amplitude modulation hold pole

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2223285Y (en) * 1995-03-06 1996-03-27 郝恩孝 60M arm-long QTZ-200H tower crane
CN2345522Y (en) * 1998-12-07 1999-10-27 黄信芝 Self-loading, self-lifting type balance crane
CN1837011A (en) * 2006-04-20 2006-09-27 谭春阳 Self-balancing up-rotary type tower crane and operation control
CN202625662U (en) * 2012-04-13 2012-12-26 四川电力送变电建设公司 Self-balancing amplitude modulation hold pole

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