CN112942851A - Large-span steel structure roof truss high altitude roller bearing displacement device - Google Patents
Large-span steel structure roof truss high altitude roller bearing displacement device Download PDFInfo
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- CN112942851A CN112942851A CN201911261285.3A CN201911261285A CN112942851A CN 112942851 A CN112942851 A CN 112942851A CN 201911261285 A CN201911261285 A CN 201911261285A CN 112942851 A CN112942851 A CN 112942851A
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
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Abstract
The invention discloses a large-span steel structure roof truss high-altitude roller sliding device which comprises two steel beam bodies and two electric winches, wherein the two steel beam bodies and the two electric winches are longitudinally arranged, the tops of the two steel beam bodies are fixedly connected with a through-length channel steel rail, a roller is movably connected inside the through-length channel steel rail, and the bottom of the inner surface of the through-length channel steel rail is fixedly connected with a slide way. This long-span steel construction roofing truss high altitude roller bearing displacement device, through the cooperation of above-mentioned structure, reduction engineering construction measure cost that can be by a wide margin for engineering construction progress guarantees truss space equipment quality and welding quality, alleviates workman intensity of labour, accelerates engineering construction progress, reduces on-the-spot installation temporary measure cost by a wide margin, under limited space operation condition, guarantees space frame high altitude whole stability and the security of sliding.
Description
Technical Field
The invention relates to the technical field of truss sliding devices, in particular to a large-span steel structure roof truss high-altitude roller sliding device.
Background
With the development of steel structure assembly type construction engineering industry in China, various domestic high-rise and super-high-rise steel structure buildings and large steel structure venues are built more and more, the height of a single roof truss of the large or super-large steel structure buildings can reach 4 meters, the span can reach more than 90 meters, the weight of the single roof truss can maximally exceed 60 tons, and the installation height is usually tens of meters high (for example, the height of the single roof truss of a gymnasium of southern university in Hunan is 4.3m, the span is 92.1m, the weight of the single roof truss is 62.1 tons, and the installation height of the truss is 25.8 m). In the construction process of the steel structure fabricated building, due to the limitation of site conditions, large hoisting machinery can not be used for hoisting construction frequently, in order to ensure the stability of a truss high-altitude installation space, a large number of large steel structure roof trusses or super-large steel structure members are generally matched by erecting full red scaffolds and large cranes during high-altitude installation construction, and the components of the members are assembled and welded in a high-altitude mode.
The defects of the process for installing the high-altitude large-span truss are as follows: (1) the temporary engineering measure cost and the construction machinery work cost are high due to the erection of a large number of high-altitude scaffolds; (2) the high-altitude assembly quality of the truss is poor, and the high-altitude welding quality on site cannot be guaranteed; (3) the construction period on site is long, and the requirement of the engineering construction progress cannot be met; (4) and if a plurality of buildings are arranged in the site, the scaffold can not be erected.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a high-altitude roller sliding device for a large-span steel structure roof truss, which solves the problems that a large number of high-altitude scaffolds are erected to cause high engineering temporary measure cost and high construction machinery bench cost; the high-altitude assembly quality of the truss is poor, and the high-altitude welding quality on site cannot be guaranteed; the construction period of the site is long, and the requirement of the engineering construction progress cannot be met; if a plurality of buildings are arranged in the field, the scaffold can not be erected.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a large-span steel construction roofing truss high altitude roller bearing displacement device, includes girder steel body and electric hoist, and the quantity of girder steel body and electric hoist all vertically is provided with two, two the equal fixedly connected with in top of girder steel body leads to long channel-section steel track, the inside swing joint that leads to long channel-section steel track has the roller bearing, lead to the bottom fixedly connected with slide of long channel-section steel track internal surface, the top of slide and the bottom roll connection of roller bearing surface, lead to the top of long channel-section steel track internal surface and be located the top fixedly connected with round roller bearing constant head tank of roller bearing surface, the top fixedly connected with steel sheet cushion of round roller bearing constant head tank, two the equal fixedly connected with space frame landing leg in top of steel sheet cushion, two swing joint has space frame between the space frame landing.
Preferably, two groups of rollers are arranged in the through-length channel steel track; and the roller consists of six round rollers for processing steel.
Preferably, the outer side of the through channel steel track is provided with scale marks, and the distance between the scale marks is 100 mm.
Preferably, the output end of the electric winch is fixedly connected with a steel cable, and one end of the steel cable is fixedly connected with the outer surface of the space frame supporting leg.
Preferably, two opposite sides of the space frame supporting legs are provided with placing grooves, and the inner surfaces of the two placing grooves are connected with the two sides of the outer surface of the space frame in a sliding mode.
Preferably, one side of each of the two space frame support legs, which is far away from each other, is in threaded connection with a fastening bolt, and one end, opposite to the fastening bolt, of each of the two fastening bolts penetrates through the space frame support legs and extends to the outside of the space frame support legs.
Preferably, one end of each of the two opposite fastening bolts is in contact with two sides of the space frame, and the fastening bolts are symmetrically distributed on two sides of the space frame supporting leg.
Preferably, the installation method of the high-altitude roller sliding device for the large-span steel structure roof truss specifically comprises the following steps:
s1, arranging through-length channel steel tracks on the upper portions of two longitudinal steel beam bodies of the roof respectively, smoothly polishing the surfaces of joints of the through-length channel steel tracks, completely polishing the through-length channel steel tracks and smearing engine oil, arranging scale marks on the outer sides of the two through-length channel steel tracks, placing two groups of rollers in each through-length channel steel track, simultaneously covering a round roller positioning groove on each group of rollers, and arranging small grid steel plates in the round roller positioning grooves;
s2, further arranging a steel plate cushion block with the thickness of 30mm on each round roller positioning groove according to S1, erecting a temporary steel platform at the position of the roof steel beam body, arranging two electric winches, connecting and firmly binding the steel cable at the output end of each electric winch with the space frame supporting leg, and simultaneously firmly connecting each electric winch with the on-site concrete column;
s3, under the unified command of the field, two workers simultaneously drive two electric windlasses, the truss space frame is drawn to move slowly, the space frame stops sliding when moving for 1m, and the position difference between the two ends of the space frame and the scale marks is checked by a field technical responsible person to adjust the offset position difference of the space frame;
and S4, repeatedly performing the sliding and adjusting operations of the space frame until the space frame moves to the installation position, detaching the rolling shaft, detaching the long channel steel rail at the position of the space frame in place, releasing the limit of the fastening bolt, and then removing the space frame to be installed in place.
(III) advantageous effects
The invention provides a high-altitude roller sliding device for a large-span steel structure roof truss. Compared with the prior art, the method has the following beneficial effects:
(1) the high-altitude rolling shaft sliding device for the large-span steel structure roof truss is characterized in that through-length channel steel rails are fixedly connected to the tops of two steel beam bodies, rolling shafts are movably connected to the interiors of the through-length channel steel rails, a slide way is fixedly connected to the bottom of the inner surface of the through-length channel steel rails, the top of the slide way is in rolling connection with the bottom of the outer surface of the rolling shaft, a round rolling shaft positioning groove is fixedly connected to the upper portion of the inner surface of the through-length channel steel rails and the upper portion of the outer surface of the rolling shaft, steel plate cushion blocks are fixedly connected to the tops of the round rolling shaft positioning grooves, space frame supporting legs are fixedly connected to the tops of the two steel plate cushion blocks, and a space frame is movably connected between the two space frame supporting legs, the device has the advantages of accelerating the engineering construction progress, greatly reducing the cost of on-site installation temporary measures, ensuring the high-altitude integral sliding stability and safety of the space frame under the limited space operation condition, along with high structural safety, strong adaptability, less steel consumption and long-term repeated use, and is an effective device convenient for on-site sliding construction of the large-span steel structure roof truss space frame roller.
(2) This large-span steel construction roofing truss high altitude roller bearing displacement device, all seted up the standing groove through the relative one side at two space frame landing legs, the internal surface of two standing grooves all with the both sides sliding connection of space frame surface, the equal threaded connection in one side that two space frame landing legs kept away from each other has fastening bolt, the relative one end of two fastening bolt all runs through the space frame landing leg and extends to the outside of space frame landing leg, the relative one end of two fastening bolt all contacts with the both sides of space frame, fastening bolt is in the bilateral symmetry distribution of space frame landing leg, through seting up the standing groove, utilize place the space frame between two standing grooves, and fix through fastening bolt, the space frame is conveniently taken off after accomplishing the process of sliding, and convenient for operation.
Drawings
FIG. 1 is a front view of the outer structure of the present invention;
FIG. 2 is a front view of a portion of the present invention;
FIG. 3 is a top view of the external structure of the positioning groove of the circular roller according to the present invention;
FIG. 4 is a perspective view of a portion of the present invention;
fig. 5 is a top view of a portion of the structure of the present invention.
In the figure, 1-steel beam body, 2-electric winch, 3-through long channel steel rail, 4-roller, 5-slideway, 6-round roller positioning groove, 7-steel plate cushion block, 8-space frame supporting leg, 9-space frame, 10-scale mark, 11-steel cable, 12-placing groove and 13-fastening bolt.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, an embodiment of the present invention provides a technical solution: a large-span steel structure roof truss high-altitude roller sliding device comprises a steel beam body 1 and an electric winch 2, wherein the electric winch 2 is a small (5-10 t) electric winch, the electric winch 2 is electrically connected with an external power supply, an output end of the electric winch 2 is fixedly connected with a steel cable 11, one end of the steel cable 11 is fixedly connected with the outer surface of a space frame supporting leg 8, two steel beam bodies 1 and two electric winches 2 are longitudinally arranged, the tops of the two steel beam bodies 1 are fixedly connected with a through-length channel steel rail 3, scale marks 10 are arranged on the outer side of the through-length channel steel rail 3, the distance between the scale marks 10 is 100mm, and two groups of rollers 4 are placed in the through-length channel steel rail 3; the rolling shaft 4 consists of six steel round rolling shafts, the rolling shaft 4 is movably connected inside the through long channel steel track 3, the bottom of the inner surface of the through long channel steel track 3 is fixedly connected with a slide way 5, the top of the slide way 5 is in rolling connection with the bottom of the outer surface of the rolling shaft 4, a round rolling shaft positioning groove 6 is fixedly connected above the inner surface of the through long channel steel track 3 and above the outer surface of the rolling shaft 4, the top of the round rolling shaft positioning groove 6 is fixedly connected with a steel plate cushion block 7, the thickness of the steel plate cushion block 7 is 30mm, the steel plate cushion block 7 is arranged to ensure that the space frame supporting legs 8 transmit the gravity of the whole frame to the rolling shaft 4, the tops of the two steel plate cushion blocks 7 are fixedly connected with space frame supporting legs 8, the sides of the two space frame supporting legs 8, which are far away from each other, are in threaded, the fastening bolts 13 are symmetrically distributed on two sides of the space frame supporting leg 8, one ends, opposite to the fastening bolts 13, of the two fastening bolts all penetrate through the space frame supporting leg 8 and extend to the outside of the space frame supporting leg 8, the placing grooves 12 are formed in one sides, opposite to the two space frame supporting legs 8, of the inner surfaces of the two placing grooves 12 and are in sliding connection with two sides of the outer surface of the space frame 9, the space frame 9 is movably connected between the two space frame supporting legs 8, and meanwhile, the content, which is not described in detail in the specification, belongs to the prior art known by the skilled person.
The invention relates to a high-altitude roller sliding device of a large-span steel structure roof truss, which comprises the following steps:
s1, arranging through-length channel steel tracks 3 on the upper portions of two longitudinal steel beam bodies 1 on the roof respectively, smoothly polishing the surfaces of joint welding seams of the through-length channel steel tracks 3, completely polishing the through-length channel steel tracks 3 and smearing engine oil, arranging scale marks 10 on the outer sides of the two through-length channel steel tracks 3, placing two groups of rollers 4 in each through-length channel steel track 3, adding a round roller positioning groove 6 on each group of rollers 4, and arranging small grid steel plates in the round roller positioning grooves 6;
s2, further arranging a steel plate cushion block 7 with the thickness of 30mm on each round roller positioning groove 6 according to S1, at the moment, erecting a temporary steel platform at the position of the roof steel beam body 1 or utilizing the floor of an existing concrete platform on site, arranging two electric winches 2, connecting and firmly binding the steel cable 11 at the output end of each electric winch 2 with the space frame supporting leg 8, and simultaneously, firmly connecting each electric winch 2 with the concrete column on site;
s3, under the unified command of the field, two workers simultaneously drive the two electric winches 2, the truss space frame 9 is drawn to move slowly, the space frame 9 stops sliding every 1m, and the position difference between the two ends of the space frame 9 and the scale marks 11 is checked by a person in charge of the field technology to adjust the offset position difference of the space frame 9;
and S4, repeatedly performing the sliding and adjusting operations of the space frame 9 until the space frame 9 moves to the installation position, detaching the rollers 4, detaching the long channel steel rail 3 at the in-position of the space frame 9, releasing the limit of the fastening bolt 13, and at the moment, removing the space frame 9 and installing in place.
In conclusion, through the cooperation of the structure, the construction engineering cost can be greatly reduced, the construction engineering progress is accelerated, the truss space assembling quality and the welding quality are ensured, the labor intensity of workers is reduced, the construction engineering progress is accelerated, the on-site installation temporary measure cost is greatly reduced, the high-altitude integral sliding stability and the safety of a space frame are ensured under the limited space operation condition, the device is high in structural safety and strong in adaptability, the steel consumption is small, the device can be repeatedly used for a long time, and the device is an effective device convenient for on-site sliding construction of the large-span steel structure roof truss space frame roller.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a large-span steel construction roofing truss high altitude roller bearing displacement device, includes girder steel body (1) and electric hoist engine (2), and the quantity of girder steel body (1) and electric hoist engine (2) all vertically is provided with two, its characterized in that: two the equal fixedly connected with in top of girder steel body (1) leads to long channel-section steel track (3), the inside swing joint that leads to long channel-section steel track (3) has roller bearing (4), the bottom fixedly connected with slide (5) that leads to long channel-section steel track (3) internal surface, the top of slide (5) and the bottom roll connection of roller bearing (4) surface, lead to the top of long channel-section steel track (3) internal surface and be located top fixedly connected with circle roller bearing constant head tank (6) of roller bearing (4) surface, the top fixedly connected with steel sheet cushion (7) of circle roller bearing constant head tank (6), two the equal fixedly connected with space frame landing leg (8) in top of steel sheet cushion (7), two swing joint has space frame (9) between space frame landing leg (8).
2. The large-span steel structure roof truss high-altitude roller sliding device according to claim 1, characterized in that: two groups of rolling shafts (4) are arranged in the through long channel steel track (3); and the rolling shaft (4) consists of six round rolling shafts made of processed steel.
3. The large-span steel structure roof truss high-altitude roller sliding device according to claim 1, characterized in that: the outer side of the through-length channel steel rail (3) is provided with scale marks (10), and the distance between the scale marks (10) is 100 mm.
4. The large-span steel structure roof truss high-altitude roller sliding device according to claim 1, characterized in that: the output end of the electric winch (2) is fixedly connected with a steel cable (11), and one end of the steel cable (11) is fixedly connected with the outer surface of the space frame supporting leg (8).
5. The large-span steel structure roof truss high-altitude roller sliding device according to claim 1, characterized in that: two the relative one side of space frame landing leg (8) has all seted up standing groove (12), two the internal surface of standing groove (12) all with the both sides sliding connection of space frame (9) surface.
6. The large-span steel structure roof truss high-altitude roller sliding device according to claim 1, characterized in that: two equal threaded connection in one side that space frame landing leg (8) kept away from each other has fastening bolt (13), two the relative one end of fastening bolt (13) all runs through space frame landing leg (8) and extends to the outside of space frame landing leg (8).
7. The large-span steel structure roof truss high-altitude roller sliding device according to claim 6, characterized in that: the two opposite ends of the fastening bolts (13) are in contact with the two sides of the space frame (9), and the fastening bolts (13) are symmetrically distributed on the two sides of the space frame supporting legs (8).
8. The high-altitude roller sliding device for the large-span steel structure roof truss according to any one of claims 1 to 7, wherein: the installation method specifically comprises the following steps:
s1, arranging through-length channel steel rails (3) on the upper portions of two longitudinal steel beam bodies (1) of the roof respectively, polishing the surfaces of joint welding seams of the through-length channel steel rails (3) smoothly, polishing the inside of the through-length channel steel rails (3) completely and smearing engine oil, arranging scale marks (10) on the outer sides of the two through-length channel steel rails (3), further placing two groups of rolling shafts (4) in each through-length channel steel rail (3), simultaneously adding circular rolling shaft positioning grooves (6) on each group of rolling shafts (4), and arranging small grid steel plates in the circular rolling shaft positioning grooves (6);
s2, further arranging a steel plate cushion block (7) with the thickness of 30mm on each round roller positioning groove (6) according to S1, erecting a temporary steel platform (or utilizing the floor of an existing concrete platform on site) at the position of the roof steel beam body (1), arranging two electric winches (2), connecting and firmly binding steel cables (11) at the output ends of the electric winches (2) with space frame supporting legs (8), and simultaneously firmly connecting each electric winch (2) with the concrete column on site;
s3, under the unified command of the site, two workers simultaneously drive two electric windlasses (2), a truss space frame (9) is dragged to move slowly, the space frame (9) stops sliding when moving for 1m, and a person in charge of site technology checks the position difference between the two ends of the space frame (9) and a scale mark (11) to perform offset position difference adjustment on the space frame (9);
and S4, repeatedly performing the sliding and adjusting operations of the space frame (9) until the space frame (9) moves to the mounting position, detaching the rollers (4), detaching the in-place position of the space frame (9) to pass through the long channel steel rails (3), releasing the limit of the fastening bolts (13), and at the moment, removing the space frame (9) to mount in place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911261285.3A CN112942851A (en) | 2019-12-10 | 2019-12-10 | Large-span steel structure roof truss high altitude roller bearing displacement device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911261285.3A CN112942851A (en) | 2019-12-10 | 2019-12-10 | Large-span steel structure roof truss high altitude roller bearing displacement device |
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| CN112942851A true CN112942851A (en) | 2021-06-11 |
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| CN201911261285.3A Pending CN112942851A (en) | 2019-12-10 | 2019-12-10 | Large-span steel structure roof truss high altitude roller bearing displacement device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113914634A (en) * | 2021-10-28 | 2022-01-11 | 巨鑫建设集团有限公司 | Large-span steel frame combined installation structure and installation method thereof |
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2019
- 2019-12-10 CN CN201911261285.3A patent/CN112942851A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113914634A (en) * | 2021-10-28 | 2022-01-11 | 巨鑫建设集团有限公司 | Large-span steel frame combined installation structure and installation method thereof |
| CN113914634B (en) * | 2021-10-28 | 2022-07-08 | 巨鑫建设集团有限公司 | Large-span steel frame combined installation structure and installation method thereof |
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