CN108868298B - Steel column assembling device and use method thereof - Google Patents
Steel column assembling device and use method thereof Download PDFInfo
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- CN108868298B CN108868298B CN201810667259.XA CN201810667259A CN108868298B CN 108868298 B CN108868298 B CN 108868298B CN 201810667259 A CN201810667259 A CN 201810667259A CN 108868298 B CN108868298 B CN 108868298B
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 204
- 239000010959 steel Substances 0.000 title claims abstract description 204
- 238000000034 method Methods 0.000 title claims abstract description 21
- 230000000149 penetrating effect Effects 0.000 claims abstract description 15
- 230000000087 stabilizing effect Effects 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 13
- 238000009434 installation Methods 0.000 abstract description 2
- 230000000630 rising effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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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
- E04H12/345—Arrangements for tilting up whole structures or sections thereof
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Abstract
The invention discloses a steel column assembling device and a using method thereof. The device comprises a steel column foundation fixing part, a steel column and device connecting part, a lifting stay rod part and a driving part; the steel column foundation fixing part comprises a bottom frame and special hook bolts, the steel column and device connecting part comprises two connecting arms and hook bolts, the connecting arms and the hook bolts are suitable for the steel column side angle steel in size, the lifting support rod part comprises two support rods, the bottoms of the support rods are provided with rotating shafts which are connected with the bottom frame, and the top ends of the two support rods are respectively provided with holes for placing penetrating pins; the driving part comprises a set of pulleys with steel wire ropes and a manual winch matched with the steel wire ropes; the steel wire rope bypasses a pulley fixed on the lifting brace rod and is connected with a lifting hook on the steel column. The invention has simple structure, light transportation and easy installation and use, thus saving the operation time and improving the construction efficiency compared with the prior construction method; the requirements on the construction environment are low.
Description
Technical Field
The invention relates to a steel column assembling device and a use method thereof, and belongs to the field of electrified railways.
Background
In domestic electrified railway engineering construction, the steel column assembly method has a plurality of defects, and the existing method is dependent on heavy large-scale mechanical equipment such as an automobile crane and a track crane. This causes a series of problems such as high construction cost, long working time, high requirements for working environment, etc. The above problems are the important difficulties which are needed to be solved by the construction unit.
Based on the above problems, we have developed a low cost, high efficiency steel column assembly device.
Disclosure of Invention
The invention aims to provide a steel column assembling device which solves the problems of high construction cost, long operation time and high requirement on operation environment of steel column assembling operation in the prior electrified railway construction.
The product of the invention has the following functions: the assembly operation content of the electrified railway contact net steel column is completed by the aid of the device mechanism by manpower.
The invention provides a steel column assembly device, which comprises a steel column foundation fixing part, a steel column and device connecting part, a lifting stay rod part and a driving part, wherein the steel column foundation fixing part is connected with the device connecting part;
the steel column foundation fixing part comprises a chassis and special hook bolts, wherein the special hook bolts fix the chassis on a ground foundation, the chassis consists of two outer side chassis and two inner side chassis, and the middle part of the chassis is respectively provided with a pin hole for connecting other components;
the connecting part of the steel column and the device comprises two connecting arms and hook bolts, wherein the connecting arms and the hook bolts are suitable for the side angle steel of the steel column, each connecting arm comprises a short transverse edge and a long transverse edge, the short transverse edge and the long transverse edge are connected through a bevel edge, the end part of the short transverse edge of each connecting arm is provided with a hole and is connected with a pin shaft on the underframe, the long transverse edge of each connecting arm is provided with two connecting lugs, and the connecting lugs are provided with holes for connecting the steel column;
the lifting stay bar part comprises two stay bars, the bottom parts of the stay bars are connected with the underframe through pin shafts, holes are respectively formed in the top ends of the two stay bars, and two ends of the penetrating pin are respectively fixed in the holes in the top ends of the two stay bars;
the driving part comprises a set of pulleys with steel wire ropes and a manual winch matched with the steel wire ropes; the wire rope bypasses the pulley fixed on the lifting brace rod and is connected with the lifting hook arranged on the steel column, and the wire rope is fixedly wound in the Rong Sheng device of the manual winch.
In the device, holes are formed in the end parts of the outer chassis and the inner chassis, one end of the outer chassis and one end of the inner chassis are connected with the winch base, and the chassis is connected with the winch base through bolts; the other end is connected with the connecting arm, a pin shaft is arranged in the holes of the adjacent inner chassis and the outer chassis, and the holes at the end parts of the connecting arm penetrate through the pin shaft and are fixed with the chassis.
In the device, the steel column foundation fixing part comprises four underframes and sixteen special-shaped hook bolts, holes are formed in the middle of the outer underframe and the middle of the inner underframe, the special-shaped hook bolts penetrate through the holes to fix the underframe, and the underframe is clamped and fixed with the on-site formed steel column foundation anchor bolts to play a role in stabilizing the ground of the whole device.
In the device, the connecting part of the steel column and the device comprises two connecting arms and eight hook bolts; the connecting arms are used for fastening and connecting the steel columns with the connecting arms in a crisscross mode through the hook bolts.
In the device, the stay bar is a steel tube, and the lifting stay bar part comprises two steel tubes, a connecting penetrating pin and two pin shafts; the two steel pipes are combined into a set of triangular bracket structure through the penetrating pins at the top and the two pin shafts at the bottom.
The pin shafts are arranged on the underframe, pin shafts are arranged between the adjacent inner underframe and the adjacent outer underframe, and the pin shafts are fixed in end holes of the inner underframe and the outer underframe; holes are also formed at the lower ends of the connecting arms and the supporting rods, and the pin shafts penetrate through the holes to firmly connect the connecting arms, the supporting rods and the underframe; i.e. the connecting arm and the stay bar are put together.
The shackle is arranged on the threading pins at the tops of the supporting rods, the top hanging ring of the pulley penetrates through the shackle, the shackle is fixed on the threading pins at the tops of the two supporting rods, and the steel wire rope penetrates through the grooves of the pulley.
The invention provides a use method of the steel column assembly device, which comprises the following steps:
firstly fixing a steel column foundation fixing part on a ground foundation formed on site, fixing a steel column and device connecting part and a lifting supporting rod part in a rotating shaft of a chassis, connecting a steel column planned to be assembled with a connecting arm of the steel column and device connecting part, and finally connecting the steel column with the whole steel column assembling device through a driving part; finally, an operator tightens the steel wire rope between the winch and the lifting hook by shaking the manual winch, and gradually assembles the steel column.
The specific operation process of the using method is as follows:
the first step: and (3) installing an assembling device:
firstly, placing an outer chassis and an inner chassis at corresponding positions of a formed steel column foundation, enabling eight special hook bolts to penetrate through reserved holes in the middle of the chassis in the horizontal direction, hooking one end of a hook head of each special hook bolt to a steel column foundation bolt on the foundation, and screwing nuts of the special hook bolts one by one to fix the inner chassis and the outer chassis with the steel column foundation bolt.
One ends of the short transverse edges of the two connecting arms, which are provided with reserved shaft holes, are respectively placed at the positions, between the two pairs of outer side underframes and the inner side underframe, of the left ends, one ends of the reserved shaft holes at the lower parts of the two supporting rods are respectively placed at the outer sides of the two outer side underframes, and sequentially penetrate through the reserved shaft holes of the parts of the supporting rods, the outer side underframes, the connecting arms and the inner side underframes through two pin shafts, and finally, the tail ends of the pin shafts are fixed through nuts.
The threading pin penetrates through the preformed holes at the upper parts of the two supporting rods, the two supporting rods are combined into a set of triangular support structure through the threading pin at the top and the two bottom frame rotating shafts at the bottom, and then the shackle penetrates through the hanging ring at the upper part of the pulley and is buckled on the threading pin between the two supporting rods.
The winch base is placed above the outer chassis and the inner chassis, the Rong Shengqi outlet end of the manual winch faces the supporting rod side, the reserved holes on the winch base are aligned with the reserved holes in the vertical direction of the right end of the outer chassis and the right end of the inner chassis and the ground, and the winch base and the chassis are fixed into a whole through the winch base fixing bolts. Finally, the wire outlet end of the steel wire rope on the Rong Sheng device of the manual winch passes through the pulley and is finally connected with the lifting hook.
And a second step of: lifting:
the tail (bottom) of the contact net steel column is placed on the connecting arm, the bottom of the steel column is clamped in a protruding position on the short transverse side of the connecting arm (as shown in the front view of fig. 8), then eight hook bolts penetrate through reserved holes on the long transverse side of the connecting arm, the hook heads of the hook bolts are clamped on side angle steel of the steel column, and nuts are screwed. The lifting hook is connected to the angle steel at the upper part of the steel column.
And a third step of: and (3) assembling a steel column:
the crank of the manual winch is manually rocked, so that the steel wire rope is tightened, the length of the steel wire rope from the lifting hook to the pulley to the winch rope container is gradually shortened, and the process of assembling the steel column (the process from lifting to rising of the steel column as shown in fig. 6) is realized. After the steel column is assembled, one nut is screwed on each foundation bolt (the nuts are nuts of foundation bolts of the steel column, two nuts are generally required to be screwed), and the second nut is screwed after the underframe is detached from the lower part of the steel column.
Fourth step: and (3) dismantling the device:
after the steel column is assembled to an upright state, the crank of the manual winch is firstly rocked, so that the steel wire rope between the lifting hook and the pulley and between the lifting hook and the rope container is loosened until the upper end of the supporting rod slowly descends to contact the ground, and then the shackle connected with the penetrating pin is detached from the upper part of the supporting rod. And then the connection between the lifting hook and the steel column is disassembled, and the steel wire rope is tightened by a crank of the manual winch until the steel wire rope is fully received in the rope container.
And removing the two connecting arms clamped and fixed with the steel column by unscrewing nuts on the hook bolts one by one. And then unscrewing nuts on the pin shafts to draw out the pin shafts from reserved shaft holes of the outer chassis, the inner chassis, the connecting arms and the supporting rods, and detaching and placing the connecting arms and the supporting rods from the chassis properly. The winch base fixing bolts are then removed one by one, and then the winch base is removed from the chassis.
After the pin shafts, the stay bars, the connecting arms and the winch bases are removed and placed appropriately, special hook bolts for fixing the inner chassis and the outer chassis are unscrewed one by one and placed appropriately, and finally, the positions of the outer chassis and the inner chassis at each position of the tail of the steel column are tilted slightly (the chassis can be pulled out one by one) manually by using the crow bars. And after the four underframes of the underframe are all pulled out from the lower part of the steel column, all nuts on foundation bolts of the steel column are screwed. And (5) finishing the assembly of the steel column.
The invention has the beneficial effects that:
(1) All parts formed by the device are universal in model, easy to purchase and low in price; and the manufacturing cost is low without excessive parts needing deep processing.
(2) The device is not used by any mechanical power except manpower, so that the device does not generate related energy and mechanical cost, only generates corresponding damage fee, and has low construction cost.
(3) The device has the advantages of simple structure, light transportation and easy installation and use, thus saving the operation time and providing the construction efficiency compared with the prior construction method; for example, the construction is performed once, and 1 person of a crane driver, 1 person of an automobile driver and about 4 persons of crane auxiliary workers are saved.
(4) The device occupies small operation area, has fewer accessory devices and has low requirements on construction environment.
Drawings
Fig. 1 is a schematic structural view of a steel column assembly device.
Fig. 2 is a left side view of fig. 1.
Fig. 3 is a top view of fig. 1 (without steel columns).
Fig. 4 is a schematic structural view of the winch base.
Fig. 5 is a schematic structural view of the chassis.
Fig. 6 is a state diagram showing the use process of the steel column assembly device.
Fig. 7 is a three view of the winch base.
Fig. 8 is a three view of the connecting arm.
In the figure: 1-shackle, 2-pulley, 3-pin, 4-wire rope, 5-stay, 6-lifting hook, 7-steel column, 8-manual winch, 9-winch base, 10-connecting arm, 11-hook bolt, 12-steel column foundation bolt, 13-special hook bolt, 14-pin, 15-winch base fixing bolt, 16-outside chassis, 17-inside chassis, 18-nut.
Detailed Description
The invention will be further illustrated by, but is not limited to, the following examples in conjunction with the accompanying drawings.
Example 1:
as shown in fig. 1 to 8, a steel column assembly device comprises a steel column foundation fixing part, a steel column and device connecting part, a lifting stay rod part and a driving part;
the steel column foundation fixing part comprises a bottom frame and special hook bolts, wherein the special hook bolts 13 fix the bottom frame on a ground foundation, the bottom frame consists of two outer bottom frames 16 and two inner bottom frames 17, and the middle part of the bottom frame is respectively provided with a pin hole for connecting other parts;
the connecting part of the steel column and the device comprises two connecting arms 10 and a hook bolt 11, wherein the connecting arms 10 and the hook bolt 11 are suitable for the side angle steel size of the steel column 7, the connecting arms 10 comprise a short transverse edge and a long transverse edge, the short transverse edge and the long transverse edge are connected through a bevel edge, the end part of the short transverse edge of the connecting arm 10 is provided with a hole and is connected with a pin shaft 14 on a bottom frame, the long transverse edge of the connecting arm 10 is provided with two connecting lugs, and the connecting lugs are provided with holes for connecting the steel column 7;
the lifting stay bar part comprises two stay bars 5, the bottoms of the stay bars 5 are connected with the underframe through pin shafts 14, and holes are respectively formed in the top ends of the two stay bars 5 and used for placing penetrating pins 3;
the driving part comprises a set of pulleys with steel wire ropes 4 and a manual winch 8 matched with the steel wire ropes; the steel wire rope 4 bypasses the pulley 2 fixed on the lifting brace rod and is connected with the lifting hook 6 on the steel column 7, and the steel wire rope 4 is fixedly wound in the rope container of the manual winch 8.
In the device, holes are formed at the end parts of the outer chassis 16 and the inner chassis 17, one end of the outer chassis is connected with the winch base 9, and the outer chassis and the inner chassis are connected with the winch base 9 through bolts; the other end is connected with the connecting arm 10, a pin 14 is arranged in the holes of the adjacent inner chassis and the outer chassis, and the hole at the end part of the connecting arm 10 passes through the pin 14 and is fixed with the chassis.
In the device, the steel column foundation fixing part comprises four underframes and sixteen special-shaped hook bolts 13, holes are formed in the middle of the outer underframe and the middle of the inner underframe, the special-shaped hook bolts 13 penetrate through the holes to fix the underframe, and the underframe is clamped and fixed with the steel column foundation bolts formed on site to play a role in stabilizing the ground of the whole device.
In the device, the connecting part of the steel column and the device comprises two connecting arms 10 and eight hook bolts 11; the connecting arms 10 bind the steel columns with the hook bolts 11 in a crisscross manner.
In the device, the stay bar 5 is a steel pipe, and the lifting stay bar part comprises two steel pipes, a connecting penetrating pin and two pin shafts 14; the two steel pipes are combined into a set of triangular support structure through the penetrating pins at the top and the two pin shafts 14 at the bottom.
The shackle 1 is arranged on the threading pin at the top of the supporting rods 5, the top hanging ring of the pulley 2 penetrates through the shackle 1, the shackle 1 is fixed on the threading pins 3 at the top ends of the two supporting rods 5, and the steel wire rope 4 penetrates through the grooves of the pulley.
FIG. 4 is a schematic structural view of a winch base, and FIG. 5 is a schematic structural view of a chassis; these two figures are top views of fig. 1.
The invention provides a use method of the steel column assembly device, which comprises the following steps:
firstly fixing a steel column foundation fixing part on a ground foundation formed on site, fixing a steel column and device connecting part and a lifting supporting rod part in a rotating shaft of a chassis, connecting a steel column planned to be assembled with a connecting arm of the steel column and device connecting part, and finally connecting the steel column with the whole steel column assembling device through a driving part; finally, an operator tightens the steel wire rope between the winch and the lifting hook by shaking the manual winch, and gradually assembles the steel column.
Taking G350/13 type contact net steel column assembly as an example, the specific operation process of the using method is as follows:
the first step: and (3) installing an assembling device:
the outer underframe 16 and the inner underframe 17 are placed at corresponding positions of the formed steel column foundation, eight special-shaped hook bolts 13 penetrate through reserved holes in the middle of the underframe in the horizontal direction, one end of the hook head of each special-shaped hook bolt 13 hooks the steel column foundation bolt 12 on the foundation, nuts of the special-shaped hook bolts 13 are screwed one by one, and the inner underframe and the outer underframe are fixed with the steel column foundation bolt.
One ends of the short transverse edges of the two connecting arms 10, which are provided with reserved shaft holes, are respectively placed at the positions, between the two pairs of outer side underframe 16 and the inner side underframe 17, of the left ends, which are provided with reserved shaft holes, of the left ends, one ends of the reserved shaft holes at the lower parts of the two supporting rods 5 are respectively placed at the outer sides of the two outer side underframe 16, and sequentially penetrate through the reserved shaft holes of the parts of the supporting rods 5, the inner side underframe 17, the connecting arms 10 and the outer side underframe 16 through the two pin shafts 14, and finally, the tail ends of the pin shafts 14 are fixed through nuts 18.
The threading pin 3 passes through the reserved holes at the upper parts of the two supporting rods 5, the two supporting rods are combined into a set of triangular support structure through the threading pin 3 at the top and the two bottom frame rotating shafts at the bottom, and then the shackle 1 passes through the hanging ring at the upper part of the pulley 2 and is buckled on the threading pin 3 between the two supporting rods 5.
The winch base 9 is placed above the outer chassis 16 and the inner chassis 17, the wire outlet end of the wire container of the manual winch 8 faces the supporting rod side, the preformed hole on the winch base 9 is aligned with the preformed hole on the outer chassis 16 and the right end of the inner chassis 17 in the direction perpendicular to the ground, and the winch base 9 and the chassis are fixed into a whole by the winch base fixing bolt 15. Finally, the wire outlet end of the rope container of the manual winch 8 passes through the pulley 2 and is finally connected with the lifting hook 6.
And a second step of: lifting:
the tail (bottom) of the contact net steel column 7 is placed on the connecting arm 10, the bottom of the steel column is clamped in a protruding position on the short transverse side of the connecting arm 10 (as shown in the front view of fig. 8), then eight hook bolts 11 penetrate through reserved holes on the long transverse side of the connecting arm 10, the hook heads of the hook bolts 11 are clamped on side angle steel of the steel column 7, and nuts are screwed. The lifting hook 6 is connected to angle steel at the upper part of the steel column 7.
And a third step of: and (3) assembling a steel column:
the crank of the manual winch 8 is manually rocked to tighten the steel wire rope 4, so that the length of the steel wire rope from the lifting hook 6 to the pulley 2 to the winch rope container is gradually shortened, and the process of assembling the steel column (the process from lifting to rising of the steel column as shown in fig. 6) is realized. After the steel column is assembled, one nut is screwed on each foundation bolt (the nuts are nuts of foundation bolts of the steel column, two nuts are generally required to be screwed), and the second nut is screwed after the underframe is detached from the lower part of the steel column.
Fourth step: and (3) dismantling the device:
after the steel column is assembled to be in an upright state, the crank of the manual winch 8 is firstly rocked, so that the steel wire rope from the lifting hook 6 to the pulley 2 to the winch rope container is loosened until the upper end of the supporting rod 5 slowly descends to contact the ground, and then the shackle 1 connected with the penetrating pin 3 is detached from the upper part of the supporting rod 5. The hook 6 is then disconnected from the steel column 7 and the wire rope 4 is tightened by the crank of the manual winch 8 until fully received in the rope receptacle.
The two connecting arms 10 fastened with the steel column 7 are removed by unscrewing nuts on the hook bolts 11 one by one. The nuts on the pin shafts 14 are unscrewed to draw the pin shafts 14 out of the reserved shaft holes of the outer underframe 16, the inner underframe 17, the connecting arms 10 and the supporting rods 5, and the connecting arms 10 and the supporting rods 5 are detached from the underframe to be properly placed. The winch base fixing bolts 15 are then detached one by one, and then the winch base 9 is detached from the chassis.
After the pin shafts 14, the stay bars 5, the connecting arms 10 and the winch bases 9 are dismounted and placed appropriately, the special hook bolts 13 for fixing the inner chassis and the outer chassis are unscrewed one by one and placed appropriately, and finally, the connection positions of each four corners of the tail of the steel column, the outer chassis 16 and the inner chassis 17 are tilted slightly (the chassis can be pulled out one by one) manually by using a crow bar. And after the four underframes of the underframe are all pulled out from the lower part of the steel column, all nuts on foundation bolts of the steel column are screwed. And (5) finishing the assembly of the steel column.
Claims (5)
1. A steel column assembly device, characterized in that: comprises a steel column foundation fixing part, a steel column and device connecting part, a lifting stay rod part and a driving part;
the steel column foundation fixing part comprises a chassis and special hook bolts, wherein the special hook bolts fix the chassis on a ground foundation, the chassis consists of two outer side chassis and two inner side chassis, and the middle part of the chassis is respectively provided with a pin hole for connecting other components; the steel column foundation fixing part comprises four underframe and sixteen special hook bolts; holes are formed in the middle of the outer chassis and the inner chassis, special hook bolts penetrate through the holes to fix the chassis, and the chassis is clamped and fixed with the steel column foundation anchor bolts formed on site, so that the ground stabilizing effect of the whole device is achieved;
the connecting part of the steel column and the device comprises two connecting arms and hook bolts, wherein the connecting arms and the hook bolts are suitable for the side angle steel of the steel column, each connecting arm comprises a short transverse edge and a long transverse edge, the short transverse edge and the long transverse edge are connected through a bevel edge, the end part of the short transverse edge of each connecting arm is provided with a hole and is connected with a pin shaft on the underframe, the long transverse edge of each connecting arm is provided with two connecting lugs, and the connecting lugs are provided with holes for connecting the steel column; the steel column and device connecting part comprises two connecting arms and eight hook bolts; the steel column is tightly connected with the connecting arms in a crisscross mode through the hook bolts;
the lifting stay bar part comprises two stay bars, the bottom parts of the stay bars are connected with the underframe through pin shafts, holes are respectively formed in the top ends of the two stay bars, and two ends of the penetrating pin are respectively fixed in the holes in the top ends of the two stay bars; the supporting rod is a steel pipe, and the lifting supporting rod part comprises two steel pipes, a connecting penetrating pin and two pin shafts; two steel pipes are combined into a set of triangular bracket structure through a penetrating pin at the top and two pin shafts at the bottom;
the driving part comprises a set of pulleys with steel wire ropes and a manual winch matched with the steel wire ropes; the steel wire rope bypasses a pulley fixed on the lifting brace rod and is connected with a lifting hook arranged on the steel column, and the steel wire rope is fixedly wound in a Rong Shengqi of the manual winch;
when the assembling device is installed, the outer chassis and the inner chassis are firstly placed at the corresponding positions of the formed steel column foundation, the eight special hook bolts penetrate through the reserved holes in the middle of the chassis in the horizontal direction, one end of the hook head of each special hook bolt hooks the steel column foundation bolt on the foundation, nuts of the special hook bolts are screwed one by one, and the inner chassis and the outer chassis are fixed with the steel column foundation bolts;
one ends of the short transverse edges of the two connecting arms, which are provided with reserved shaft holes, are respectively placed at the positions, between the two pairs of outer side underframe and the inner side underframe, of the left end, one ends of the reserved shaft holes at the lower parts of the two supporting rods are respectively placed at the outer sides of the two outer side underframe, and sequentially penetrate through the reserved shaft holes of the parts of the supporting rods, the outer side underframe, the connecting arms and the inner side underframe through two pin shafts, and finally, the tail ends of the pin shafts are fixed through nuts;
placing the tail of a contact net steel column on a connecting arm, clamping the bottom of the steel column in a protruding position on the short transverse side of the connecting arm, then penetrating a preformed hole on the long transverse side of the connecting arm by using eight hook bolts, clamping the hook heads of the hook bolts on side angle steel of the steel column, and screwing nuts; the lifting hook is connected to the angle steel at the upper part of the steel column.
2. The steel column assembly device according to claim 1, wherein: holes are formed in the end parts of the outer chassis and the inner chassis, one end of the outer chassis is connected with the winch base, and the chassis is connected with the winch base through bolts; the other end is connected with the connecting arm, a pin shaft is arranged in the holes of the adjacent inner chassis and the outer chassis, and the holes at the end parts of the connecting arm penetrate through the pin shaft and are fixed with the chassis.
3. The steel column assembly device according to claim 1, wherein: the shackle is arranged on the threading pins at the tops of the supporting rods, the top hanging ring of the pulley penetrates through the shackle, the shackle is fixed on the threading pins at the tops of the two supporting rods, and the steel wire rope penetrates through the grooves of the pulley.
4. A method of using the steel column assembly device of any one of claims 1 to 3, comprising the steps of:
firstly fixing a steel column foundation fixing part on a ground foundation formed on site, fixing a steel column and device connecting part and a lifting supporting rod part in a rotating shaft of a chassis, connecting a steel column planned to be assembled with a connecting arm of the steel column and device connecting part, and finally connecting the steel column with the whole steel column assembling device through a driving part; finally, an operator tightens the steel wire rope between the winch and the lifting hook by shaking the manual winch, and gradually assembles the steel column.
5. The method of using a steel column assembly device according to claim 4, characterized by the specific operation procedures as follows:
the first step: and (3) installing an assembling device:
firstly, placing an outer chassis and an inner chassis at corresponding positions of a formed steel column foundation, enabling eight special-shaped hook bolts to penetrate through reserved holes in the middle of the chassis in the horizontal direction, hooking one end of a hook head of each special-shaped hook bolt to a steel column foundation bolt on the foundation, and screwing nuts of the special-shaped hook bolts one by one to fix the inner chassis and the outer chassis with the steel column foundation bolts;
one ends of the short transverse edges of the two connecting arms, which are provided with reserved shaft holes, are respectively placed at the positions, between the two pairs of outer side underframe and the inner side underframe, of the left end, one ends of the reserved shaft holes at the lower parts of the two supporting rods are respectively placed at the outer sides of the two outer side underframe, and sequentially penetrate through the reserved shaft holes of the parts of the supporting rods, the outer side underframe, the connecting arms and the inner side underframe through two pin shafts, and finally, the tail ends of the pin shafts are fixed through nuts;
the threading pin penetrates through the reserved holes at the upper parts of the two supporting rods, the two supporting rods are combined into a set of triangular support structure through the threading pin at the top and the two bottom frame rotating shafts at the bottom, and then the shackle penetrates through the hanging ring at the upper part of the pulley and is buckled on the threading pin between the two supporting rods;
placing winch bases above the outer chassis and the inner chassis, enabling Rong Shengqi outlet ends of the manual winches to face to the supporting rod side, enabling reserved holes on the winch bases to be aligned with reserved holes in the direction perpendicular to the ground at the right ends of the inner chassis and the outer chassis, and fixing the winch bases and the chassis into a whole through winch base fixing bolts; finally, the wire outlet end of the steel wire rope on the Rong Sheng device of the manual winch passes through the pulley and is finally connected with the lifting hook;
and a second step of: lifting:
placing the tail of a contact net steel column on a connecting arm, clamping the bottom of the steel column in a protruding position on the short transverse side of the connecting arm, then penetrating a preformed hole on the long transverse side of the connecting arm by using eight hook bolts, clamping the hook heads of the hook bolts on side angle steel of the steel column, and screwing nuts; the lifting hook is connected to angle steel at the upper part of the steel column;
and a third step of: and (3) assembling a steel column:
the crank of the manual winch is rocked by manpower, so that the steel wire rope is tightened, the length of the steel wire rope from the lifting hook to the pulley to the winch rope container is gradually shortened, and the process of assembling the steel column is realized; after the steel column is assembled, screwing a nut on each foundation bolt;
fourth step: and (3) dismantling the device:
after the steel column is assembled to be in an upright state, firstly shaking a crank of the manual winch to loosen a steel wire rope from the lifting hook to the pulley to the winch rope container until the upper end of the supporting rod slowly descends to contact the ground, and then disassembling a shackle connected with the penetrating pin at the upper part of the supporting rod; then the connection between the lifting hook and the steel column is disassembled, and the steel wire rope is tightened by a crank of the manual winch until the steel wire rope is fully received in the rope container;
removing two connecting arms clamped with the steel column by unscrewing nuts on the hook bolts one by one; then unscrewing nuts on the pin shafts to draw out the pin shafts from reserved shaft holes of the outer chassis, the inner chassis, the connecting arms and the supporting rods, and simultaneously detaching the connecting arms and the supporting rods from the chassis to be properly placed; then detaching the winch base fixing bolts one by one, and then detaching the winch base from the underframe;
after the pin shafts, the stay bars, the connecting arms and the winch bases are removed and placed properly, unscrewing special hook bolts for fixing the inner chassis and the outer chassis one by one and placing properly, and finally tilting the positions of the joints of each four corners of the tail of the steel column with the outer chassis and the inner chassis slightly by using a crow bar manually; extracting the four underframes from the lower part of the steel column one by one, and fully screwing nuts on foundation bolts of the steel column foundation; and (5) finishing the assembly of the steel column.
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| CN108868298B true CN108868298B (en) | 2024-03-15 |
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| GB608853A (en) * | 1944-12-18 | 1948-09-22 | Andrew Hood | Improvements in or relating to the erection of sectional masts and like elongated structures and to the construction thereof |
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| AT163507B (en) * | 1945-09-27 | 1949-07-11 | Siemens Schuckertwerke Gmbh | Device for setting up masts |
| FR1077052A (en) * | 1953-03-18 | 1954-11-04 | Tech Nouvelles Et | Dressing device, in particular for masts, poles or others |
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| CN108868298A (en) | 2018-11-23 |
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