CN113338699A - Auxiliary hoisting device for outer side cross arm of power transmission line T-shaped iron tower - Google Patents
Auxiliary hoisting device for outer side cross arm of power transmission line T-shaped iron tower Download PDFInfo
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- CN113338699A CN113338699A CN202110721032.0A CN202110721032A CN113338699A CN 113338699 A CN113338699 A CN 113338699A CN 202110721032 A CN202110721032 A CN 202110721032A CN 113338699 A CN113338699 A CN 113338699A
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- force arm
- arm
- iron tower
- outer side
- mast
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 66
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 33
- 230000005540 biological transmission Effects 0.000 title claims abstract description 15
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 39
- 239000010959 steel Substances 0.000 claims abstract description 39
- 230000000694 effects Effects 0.000 claims description 2
- 241001423398 Ruscus hypoglossum Species 0.000 claims 3
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 13
- 238000000034 method Methods 0.000 abstract description 5
- 208000027418 Wounds and injury Diseases 0.000 abstract description 4
- 230000006378 damage Effects 0.000 abstract description 4
- 208000014674 injury Diseases 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
- E04H12/34—Arrangements for erecting or lowering towers, masts, poles, chimney stacks, or the like
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
- E04H12/24—Cross arms
Abstract
The invention discloses an auxiliary hoisting device for an outer side cross arm of a dry-shaped iron tower of a power transmission line. Supplementary hoist device can the direct fixation in the outside top of cross arm in the middle of the wire, directly hoists the cross arm part of the outer side of dry style of calligraphy iron tower through wide-angle slope, has solved the problem that ordinary holding pole hoist and mount difficulty of taking one's place when hanging such as outside cross arm is kept away from the iron tower center, has reduced the probability of personnel and mechanical injury in the cross arm hoist and mount process of the outer side, has improved the whole efficiency of construction of dry style of calligraphy iron tower, has guaranteed that the tower construction quality is not influenced. The invention can effectively solve the problems that the outer side cross arm of the extra-high voltage engineering T-shaped angle steel tower is too long and heavy, and the main holding pole cannot be integrally hoisted, and can safely, efficiently and excellently complete the assembly task of the +/-800 kV T-shaped straight line tower in the mountainous area of high mountains.
Description
Technical Field
The invention relates to the technical field of power supply auxiliary equipment, in particular to an auxiliary hoisting device for an outer side cross arm of a T-shaped iron tower of a power transmission line.
Background
At present, in the erection construction of a high-voltage direct-current transmission line engineering iron tower with +/-800 kilovolts from Yazhong to Jiangxi, the cross arm at the outer side of a dry-shaped angle steel tower is far away from the center of the tower, so that the weight is heavy, and the top of a holding pole of the general tower is slightly higher than the cross arm of the iron tower, so that the part is difficult to hoist in place; the forced positioning easily causes the delay of construction time, and the danger is easily caused to personnel and machinery. According to the safe working regulation of electric power construction, the inclination angle of the holding pole for the common tower assembly is not more than 15 degrees, and if the side cross arm under the condition of hoisting by the common holding pole is required, the inclination angle cannot meet the requirement. Because the cross arm of the dry tower in the heavy ice area is greatly increased in length and weight compared with the prior engineering, the outer side cross arm can not be lifted in place by adopting the traditional tower assembling scheme, and the outer pull line can not be arranged on part of the tower foundation along the line direction due to the complex and limited terrain.
Disclosure of Invention
In order to overcome the problems in the prior art, the invention provides an auxiliary hoisting device for an outer side cross arm of a transmission line iron tower in a shape like a Chinese character 'gan'. Through the large-angle inclined iron tower crank arm outer side cross arm part which is directly hoisted, the problem that the common holding pole is hoisted in place difficultly is solved, the probability of personnel and mechanical injury in the outer side cross arm hoisting process is reduced, the overall construction efficiency of the T-shaped angle steel tower is improved, and the tower assembling construction quality is not influenced.
The technical scheme adopted by the invention for solving the technical problems is as follows: this supplementary hoist device of style of calligraphy iron tower outside cross arm is done to transmission line, hoist device set up do the middle horizontal of style of calligraphy iron tower on, through triangle-shaped structure's effect part and loose pulley assembly hoist and mount cross arm.
Furthermore, the hoisting device comprises a force arm, one end of the force arm is connected with one end of the mast, the other end of the force arm is connected with the other end of the mast through a connecting steel cable, and the force arm, the mast and the connecting steel cable form a triangular structure; one end of the force arm connected with the mast is hinged with the supporting device, the other end of the force arm is connected with the pulley assembly, and the other end of the mast is connected with the fixed hanging piece through the overturning steel cable.
Furthermore, the hoisting device also comprises a supporting tube, and two ends of the supporting tube are respectively connected to the force arm and the mast; the supporting device and the fixed hanging piece are fixedly arranged on the middle horizontal portion of the dry-shaped iron tower.
Furthermore, the supporting device is located at the upper end of the outer side of the middle transverse flat, the bottom of the fixed hanging piece is fixed at the upper end of the middle transverse flat on the inner side of the supporting device, and the upper portion of the fixed hanging piece is provided with a hanging hole.
Furthermore, the moment arm comprises a moment arm rod root, a moment arm rod root connecting joint, a moment arm standard joint, a moment arm rod head connecting joint and a moment arm rod head which are connected in sequence; the tail end of the force arm pole root is provided with a force arm main connector, the front end of the force arm main connector is provided with two force arm main connecting holes connected with the supporting device, the side surface of the force arm main connector is provided with a force arm side connector, and the front end of the force arm side connector is provided with a force arm side connecting hole connected with the mast; the force arm rod root connecting joint is provided with a first supporting tube connecting hole for connecting the supporting tube, and the top end of the force arm rod head is provided with a pulley connecting hole for connecting the pulley assembly and a first corner connecting steel cable connecting hole for fixedly connecting the steel cable.
Furthermore, the pulley assembly comprises a fixed pulley at the upper part, a movable pulley at the lower part and a steel cable for connecting the fixed pulley and the movable pulley, and the lower end of the pulley assembly is provided with a lifting hook for lifting.
Furthermore, a mast connector is arranged at one end of the mast connected with the force arm, a second connecting steel cable connecting hole for fixedly connecting a steel cable and an overturning steel cable connecting hole for fixedly overturning the steel cable are arranged at the other end of the mast, and a second supporting pipe connecting hole for connecting a supporting pipe is further arranged on the mast.
Further, strutting arrangement is including supporting base and two tongue moving parts, support the base lower extreme and fix in the middle on violently flat, the upper end is provided with the articulated shaft, two tongue moving parts one end is provided with the fixed orifices that alternates the articulated shaft, and the other end is connected with the arm of force.
In summary, the technical scheme of the invention has the following beneficial effects:
supplementary hoist device can the direct fixation in the outside top of cross arm in the middle of the wire, directly hoists the cross arm part of the outer side of dry style of calligraphy iron tower through wide-angle slope, has solved the problem that ordinary holding pole hoist and mount difficulty of taking one's place when hanging such as outside cross arm is kept away from the iron tower center, has reduced the probability of personnel and mechanical injury in the cross arm hoist and mount process of the outer side, has improved the whole efficiency of construction of dry style of calligraphy iron tower, has guaranteed that the tower construction quality is not influenced.
The invention can effectively solve the problems that the outer side cross arm of the extra-high voltage engineering T-shaped angle steel tower is too long and heavy, and the main holding pole cannot be integrally hoisted, and can safely, efficiently and excellently complete the assembly task of the +/-800 kV T-shaped straight line tower in the mountainous area of high mountains.
Drawings
Fig. 1 is a schematic structural diagram of a dry-shaped iron tower according to the present invention;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is a schematic view of the construction of the force arm of the present invention;
FIG. 4 is a schematic view of the construction of the mast of the present invention
FIG. 5 is a schematic view of the present invention showing a partial enlarged structure of the connection between the moment arm and the mast;
fig. 6 is a schematic diagram of the invention for hoisting the outer cross arm.
In the figure:
1-middle cross arm, 21-force arm, 22-mast, 23-connecting steel cable, 24-supporting device, 25-turning steel cable, 26-fixing hanger, 27-fixed pulley, 28-supporting tube, 211-force arm rod, 212-force arm rod connecting joint, 213-force arm standard joint, 214-force arm rod head connecting joint, 215-force arm rod head, 221-mast connecting joint, 222-second connecting steel cable connecting hole, 223-turning steel cable connecting hole, 224-second supporting tube connecting hole, 2111-force arm main connecting joint, 2112-force arm main connecting hole, 2113-force arm side connecting joint, 2114-force arm side connecting hole, 2121-first supporting tube connecting hole, 2151-pulley connecting hole, 2152-first corner connecting steel cable connecting hole, 241-a support base, 242-a double tongue moving element, 243-an articulated shaft.
Detailed Description
The features and principles of the present invention will be described in detail below with reference to the accompanying drawings, which illustrate embodiments of the invention and are not intended to limit the scope of the invention.
As shown in fig. 1, which is a schematic structural diagram of a steel tower shaped like a Chinese character 'gan', the auxiliary hoisting device designed by the invention is installed on the steel tower shaped like a Chinese character 'gan' (fig. 6) shown in fig. 1. Specifically, the hoisting device is arranged on the middle horizontal plane of the dry-shaped iron tower and is arranged obliquely upwards, the cross arm is hoisted through the action part and the pulley assembly of the triangular structure, and the overall structure is as shown in fig. 2.
Specifically, as shown in fig. 3, the hoisting device includes a moment arm 21, and a moment arm base 211, a moment arm base connecting joint 212, a moment arm standard joint 213, a moment arm rod head connecting joint 214, and a moment arm rod head 215, which are sequentially connected to the moment arm 21 from bottom to top. The installation and use processes are various, and the force arm is installed obliquely upwards and obliquely outwards. In general, the two ends of the force arm are relatively thinner than the middle part, and the middle part is thicker. The tail end of the force arm pole root is provided with a force arm main connector 2111, and the front end of the force arm main connector 2111 is provided with two force arm main connecting holes 2112 connected with the supporting device 24. The side surface of the main force arm connector is provided with a force arm side connector 2113, and the front end of the force arm side connector 2113 is provided with a force arm side connecting hole 2114 connected with the mast 22. The force arm rod root connecting joint is provided with a first supporting tube connecting hole 2121 for connecting the supporting tube 28, and the top end of the force arm rod head is provided with a pulley connecting hole 2151 for connecting the pulley assembly and a first angle connecting steel cable connecting hole 2152 for fixedly connecting the steel cable 23.
As shown in fig. 2, one end of the moment arm is connected with one end of the mast 22, the other end of the moment arm is connected with the other end of the mast 22 through a connecting steel cable, the moment arm, the mast 22 and the connecting steel cable form a relatively stable triangular structure, the concrete structure is as shown in fig. 2, one end of the moment arm connected with the mast 22 is hinged with a supporting device 24, the other end of the moment arm is connected with a pulley assembly, and the other end of the mast 22 is connected with a fixed hanging part 26 through a turning steel cable 25.
The hoisting device further comprises a supporting tube, and two ends of the supporting tube are respectively connected to the force arm and the mast 22 to play a role in assisting in fixing the force arm and the mast 22. The supporting device 24 and the fixed hanging piece 26 are fixedly arranged on the middle horizontal portion of the dry-shaped iron tower.
The supporting device 24 is located at the upper end of the outer side of the middle transverse flat, the bottom of the fixed hanging piece 26 is fixed at the upper end of the middle transverse flat on the inner side of the supporting device 24, and the upper portion of the fixed hanging piece is provided with a hanging hole.
The pulley assembly comprises a fixed pulley 27 at the upper part, a movable pulley at the lower part and a steel cable for connecting the fixed pulley 27 and the movable pulley, the lower end of the pulley assembly is provided with a lifting hook for lifting, and the cross arm is lifted by the lifting hook for installation. The connecting steel cable is connected with the pulley assembly through the upper end part of the force arm.
As shown in fig. 4, a mast connector 221 is disposed at one end of the mast 22 connected to the force arm, a second connecting cable connecting hole 222 for fixing the connecting cable and a turning cable connecting hole 223 for fixing the turning cable 25 are disposed at the other end, and a second supporting pipe connecting hole 224 for connecting the supporting pipe is further disposed on the mast.
As shown in fig. 5, the supporting device 24 includes a supporting base 241 and a dual-tongue moving member 242, the lower end of the supporting base is fixed on the middle horizontal plate, the upper end of the supporting base is provided with a hinge shaft 243, one end of the dual-tongue moving member is provided with a fixing hole for inserting the hinge shaft, and the other end of the dual-tongue moving member is connected with the force arm.
Supplementary hoist device can the direct fixation in the outside top of cross arm 1 in the middle of the wire, directly hoist and mount dry style of calligraphy iron tower outside cross arm part through wide-angle slope, solved the problem that ordinary holding pole hoist and mount difficulty of taking one's place when hanging such as outside cross arm keep away from the iron tower center, reduced the probability of outside cross arm hoist and mount in-process personnel and mechanical injury, improved the whole efficiency of construction of dry style of calligraphy iron tower, guaranteed that tower construction quality is not influenced.
The invention can effectively solve the problems that the outer side cross arm of the extra-high voltage engineering T-shaped angle steel tower is too long and heavy, and the main holding pole cannot be integrally hoisted, and can safely, efficiently and excellently complete the assembly task of the +/-800 kV T-shaped straight line tower in the mountainous area of high mountains.
The above-mentioned embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the present invention by those skilled in the art without departing from the spirit of the present invention are intended to be covered by the protection scope defined by the claims of the present invention.
Claims (8)
1. The utility model provides a supplementary hoist device of transmission line word iron tower outside cross arm, its characterized in that, hoist device sets up on the middle horizontal plane of doing style of calligraphy iron tower, hoists the cross arm through triangle-shaped structure's effect part and loose pulley assembly.
2. The auxiliary hoisting device for the outer side cross arm of the transmission line T-shaped iron tower according to claim 1, wherein the hoisting device comprises a force arm, one end of the force arm is connected with one end of the mast, the other end of the force arm is connected with the other end of the mast through a connecting steel cable, and the force arm, the mast and the connecting steel cable form a triangular structure; one end of the force arm connected with the mast is hinged with the supporting device, the other end of the force arm is connected with the pulley assembly, and the other end of the mast is connected with the fixed hanging piece through the overturning steel cable.
3. The auxiliary hoisting device for the outer side cross arm of the iron tower shaped like the Chinese character 'gan' of the power transmission line according to claim 1 is characterized by further comprising a supporting tube, wherein two ends of the supporting tube are respectively connected to the force arm and the mast; the supporting device and the fixed hanging piece are fixedly arranged on the middle horizontal portion of the dry-shaped iron tower.
4. The auxiliary hoisting device for the outer side cross arm of the dry-type iron tower of the power transmission line according to claim 1, wherein the supporting device is positioned at the upper end of the outer side of the middle cross platform, the bottom of the fixed hanging piece is fixed at the upper end of the middle cross platform at the inner side of the supporting device, and the upper part of the fixed hanging piece is provided with a hanging hole.
5. The auxiliary hoisting device for the outer side cross arm of the transmission line T-shaped iron tower according to claim 1, wherein the force arm comprises a force arm pole root, a force arm pole root connecting joint, a force arm standard joint, a force arm pole head connecting joint and a force arm pole head which are sequentially connected; the tail end of the force arm pole root is provided with a force arm main connector, the front end of the force arm main connector is provided with two force arm main connecting holes connected with the supporting device, the side surface of the force arm main connector is provided with a force arm side connector, and the front end of the force arm side connector is provided with a force arm side connecting hole connected with the mast; the force arm rod root connecting joint is provided with a first supporting tube connecting hole for connecting the supporting tube, and the top end of the force arm rod head is provided with a pulley connecting hole for connecting the pulley assembly and a first corner connecting steel cable connecting hole for fixedly connecting the steel cable.
6. The auxiliary hoisting device for the outer side cross arm of the transmission line T-shaped iron tower according to claim 1, 2 or 5, wherein the pulley assembly comprises an upper fixed pulley, a lower movable pulley and a steel cable for connecting the fixed pulley and the movable pulley, and a hoisting hook for hoisting is arranged at the lower end of the pulley assembly.
7. The auxiliary hoisting device for the outer side cross arm of the transmission line T-shaped iron tower according to claim 1, wherein one end of the mast connected with the force arm is provided with a mast connector, the other end of the mast is provided with a second connecting steel cable connecting hole for fixedly connecting a steel cable and an overturning steel cable connecting hole for fixedly overturning the steel cable, and the mast is further provided with a second supporting tube connecting hole for connecting a supporting tube.
8. The auxiliary hoisting device for the outer side cross arm of the iron tower shaped like the Chinese character 'gan' of the power transmission line according to claim 1 is characterized in that the supporting device comprises a supporting base and a double-tongue moving part, the lower end of the supporting base is fixed on the middle cross platform, the upper end of the supporting base is provided with a hinged shaft, one end of the double-tongue moving part is provided with a fixing hole penetrating through the hinged shaft, and the other end of the double-tongue moving part is connected with the force arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110721032.0A CN113338699A (en) | 2021-06-28 | 2021-06-28 | Auxiliary hoisting device for outer side cross arm of power transmission line T-shaped iron tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110721032.0A CN113338699A (en) | 2021-06-28 | 2021-06-28 | Auxiliary hoisting device for outer side cross arm of power transmission line T-shaped iron tower |
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| Publication Number | Publication Date |
|---|---|
| CN113338699A true CN113338699A (en) | 2021-09-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110721032.0A Pending CN113338699A (en) | 2021-06-28 | 2021-06-28 | Auxiliary hoisting device for outer side cross arm of power transmission line T-shaped iron tower |
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| CN (1) | CN113338699A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB604316A (en) * | 1944-11-06 | 1948-07-01 | Robert Casper Swaney | Tractor crane |
| CN101649682A (en) * | 2008-08-13 | 2010-02-17 | 黑龙江省送变电工程公司 | Method for assembling tower by post-assembly rocker arm holding pole technology |
| CN103924816A (en) * | 2014-04-16 | 2014-07-16 | 山东送变电工程公司 | Installation method for cup type iron tower of ultra-high voltage transmission line |
| CN103950841A (en) * | 2014-04-16 | 2014-07-30 | 山东送变电工程公司 | Auxiliary hoisting device for outer-side cross arms of crank arm of wine glass type ultrahigh-voltage transmission line iron tower |
| CN203781693U (en) * | 2014-04-16 | 2014-08-20 | 山东送变电工程公司 | Auxiliary hoisting device of crank arm outer-side cross arm of wine cup-shaped iron tower of ultra-high voltage power transmission line |
-
2021
- 2021-06-28 CN CN202110721032.0A patent/CN113338699A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB604316A (en) * | 1944-11-06 | 1948-07-01 | Robert Casper Swaney | Tractor crane |
| CN101649682A (en) * | 2008-08-13 | 2010-02-17 | 黑龙江省送变电工程公司 | Method for assembling tower by post-assembly rocker arm holding pole technology |
| CN103924816A (en) * | 2014-04-16 | 2014-07-16 | 山东送变电工程公司 | Installation method for cup type iron tower of ultra-high voltage transmission line |
| CN103950841A (en) * | 2014-04-16 | 2014-07-30 | 山东送变电工程公司 | Auxiliary hoisting device for outer-side cross arms of crank arm of wine glass type ultrahigh-voltage transmission line iron tower |
| CN203781693U (en) * | 2014-04-16 | 2014-08-20 | 山东送变电工程公司 | Auxiliary hoisting device of crank arm outer-side cross arm of wine cup-shaped iron tower of ultra-high voltage power transmission line |
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Application publication date: 20210903 |