CN220184430U - Retractable steel truss girder - Google Patents
Retractable steel truss girder Download PDFInfo
- Publication number
- CN220184430U CN220184430U CN202321575328.7U CN202321575328U CN220184430U CN 220184430 U CN220184430 U CN 220184430U CN 202321575328 U CN202321575328 U CN 202321575328U CN 220184430 U CN220184430 U CN 220184430U
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- CN
- China
- Prior art keywords
- telescopic
- steel truss
- sleeve
- portal frame
- truss girder
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 40
- 239000010959 steel Substances 0.000 title claims abstract description 40
- 125000006850 spacer group Chemical group 0.000 claims 2
- 238000010276 construction Methods 0.000 abstract description 9
- 238000005192 partition Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- 239000004568 cement Substances 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Landscapes
- Bridges Or Land Bridges (AREA)
Abstract
The utility model discloses a telescopic steel truss girder, which comprises a portal frame, wherein a first telescopic sleeve is fixedly arranged on one side of the portal frame, a first telescopic rod is movably connected inside the first telescopic sleeve, a jack is formed in the upper surface of the first telescopic sleeve, and a fixing knob is movably connected inside the jack; this telescopic steel truss roof beam, through portal frame, first flexible cover, first telescopic link, jack and fixed knob's setting, when using the device to build the roof beam between two places, can be according to the demand difference when building, and the length that needs to reserve, adjust the length of first flexible cover and first telescopic link through fixed knob, let the portal frame at two places respectively can reserve sufficient length, the construction of other fixing device is conveniently carried out, just avoided just so under the cooperation use and to reserve sufficient length and go the length of blind increase whole steelframe, cause the too big problem of steel cost consumption.
Description
Technical Field
The utility model relates to the technical field of steel trusses, in particular to a telescopic steel truss girder.
Background
The truss girder is a structure widely applied in bridges and buildings, and is composed of a plurality of web members, the truss girder is introduced by taking excellent bending resistance and stronger deformation coordination capacity as a large-scale supporting structure, compared with the traditional building structure, the assembled steel structure is easy to realize industrial production, standardized manufacturing and renewable recycling, is a structural form which is the most in line with the characteristic of a green building, particularly an assembled steel frame structure system with diagonal braces, and is composed of truss main plates, steel upright columns, steel truss girders, diagonal braces and other components, the components are processed and manufactured in workshops, the construction sites are assembled by adopting high-strength bolts and self-tapping screws, and construction links with large environmental pollution such as site welding, concrete pouring and the like are not needed.
The steel truss comprises four support rods which are axially arranged in parallel and have equal length, a plurality of inclined support rods which are distributed in a triangular mode are arranged between the support rods, two ends of each support rod are respectively fixedly connected with a transverse rectangular end plate, an L-shaped rod-shaped hook with one side perpendicular to the end plate is arranged at the center of the outer surface of each end plate, a cylindrical threaded rod is respectively fixed on four corners of the outer surface of each end plate, rectangular clamping plates positioned at the outer sides of the end plates are arranged on the threaded rods in a penetrating mode, round-tube-shaped first sleeves and second sleeves are also arranged on the threaded rods in a penetrating mode, the first sleeves and the second sleeves are respectively positioned at the inner sides and the outer sides of the clamping plates, the end portions of the threaded rods are in threaded connection with nuts, the nuts are abutted against the outer sides of the second sleeves, the connecting part area between the steel truss and the steel truss is large, connection is very stable, the bearing capacity of the steel structure is improved, and the end plates and the clamping plates are simple and convenient to assemble and disassemble; however, in the use process of the steel truss, due to different construction process requirements, a steel frame with a certain length is reserved between two places to meet different fixing requirements, and the integral construction cost of the steel truss is enhanced and the consumption of steel is increased by increasing the length of the steel frame, so that the telescopic steel truss girder is required to be put forward.
Disclosure of Invention
The present utility model is directed to providing a telescopic steel truss girder to solve the above-mentioned problems of the related art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a scalable steel truss girder, includes the portal frame, one side fixed mounting of portal frame has first flexible cover, the inside swing joint of first flexible cover has first telescopic link, the jack has been seted up on the top surface of first flexible cover, the inside swing joint of jack has fixed knob, the outside of portal frame is provided with the baffle, one side of baffle runs through there is fixing bolt, fixing bolt's one end swing joint has the longeron, one side fixed mounting of longeron has the accessory plate, one side of accessory plate is provided with the flexible cover of second, the inside swing joint of the flexible cover of second has the second telescopic link.
Preferably, the portal frame and the first telescopic rod form a telescopic structure through the first telescopic sleeve, and the jacks are distributed on the first telescopic sleeve at equal intervals.
Preferably, the longitudinal beam is in threaded connection with the partition plate through a fixing bolt, and the partition plate is symmetrically arranged by the central axis of the first telescopic rod.
Preferably, the outside swing joint of first flexible cover has the movable cover, the top of movable cover runs through there is movable bolt, the top fixed mounting of movable cover has the bracing piece.
Preferably, the support rod is movably connected with the first telescopic sleeve through the movable sleeve, and the support rod is vertically distributed with the movable sleeve.
Preferably, an upper fork fixing frame is fixedly arranged on one side of the second telescopic sleeve, and a cross fixing frame is arranged on one side of the upper fork fixing frame.
Preferably, a pillow support is arranged in front of the portal frame, a pillow plate is movably connected above the pillow support, and an I-shaped rod is arranged on one side of the pillow support.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the telescopic steel truss girder, through the arrangement of the portal frame, the first telescopic sleeve, the first telescopic rod, the insertion hole and the fixed knob, when the girder is built between two places by using the telescopic steel truss girder device, the lengths of the first telescopic sleeve and the first telescopic rod can be adjusted through the fixed knob according to different requirements during building and the lengths required to be reserved, the portal frames at two places can be reserved with enough lengths respectively, the construction of other fixing devices is convenient, the problems that the steel cost is overlarge due to the fact that the length of an integral steel frame is increased blindly for reserving the enough lengths are avoided under the cooperation of use, meanwhile, the whole stability of the telescopic steel truss girder device is kept, the extending requirements are met, and the construction work of the girder of the two places is completed;
2. according to the telescopic steel truss girder, through the arrangement of the partition plates, the fixing bolts, the longitudinal beams, the auxiliary plates, the movable sleeves, the movable bolts and the supporting rods, when the girder erection device is used for constructing the girder erection between two places, the angle of the fixing longitudinal beams can be adjusted according to the current requirement of constructing the girder erection, the movable sleeves and the movable bolts are matched to complete the movement of the positions of the supporting rods, the girder erection requirements of different heights are met, the supporting rods and the longitudinal beams are separated by the fixing bolts and the movable bolts, the difficulty of the girder erection device in the construction process is reduced, and convenience is provided for girder erection work;
3. the telescopic steel truss girder comprises an upper fork fixing frame, a cross fixing frame, a pillow support, a pillow plate and an I-shaped rod, wherein when the girder is built between two places by using the device, the upper fork fixing frame and the cross fixing frame above the portal frame provide unfolding support for the top of the device, so that two groups of longitudinal beams and supporting rods can be stably arranged on two sides of the portal frame, the overall stability of the device in the building process is enhanced, and the pillow support and the pillow plate are convenient to provide convenience when paving cement and other pavement above the device.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of the structure of the first telescopic sleeve of the present utility model;
FIG. 3 is a schematic view of the structure of the stringers of the present utility model;
FIG. 4 is a schematic view of the structure of the upper fork fixing frame of the present utility model;
fig. 5 is a schematic structural view of an i-beam according to the present utility model.
In the figure: 1. a portal frame; 2. a first telescoping sleeve; 3. a first telescopic rod; 4. a jack; 5. fixing a knob; 6. a partition plate; 7. a fixing bolt; 8. a longitudinal beam; 9. an auxiliary plate; 10. a movable sleeve; 11. a movable bolt; 12. a support rod; 13. the second telescopic sleeve; 14. a second telescopic rod; 15. an upper fork fixing frame; 16. a cross fixing frame; 17. a pillow support; 18. a pillow plate; 19. an I-shaped rod.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-5, the present utility model provides the following technical solutions: the utility model provides a scalable steel truss girder, including portal frame 1, one side fixed mounting of portal frame 1 has first flexible cover 2, the inside swing joint of first flexible cover 2 has first telescopic link 3, jack 4 has been seted up on the top surface of first flexible cover 2, the inside swing joint of jack 4 has fixed knob 5, the outside of portal frame 1 is provided with baffle 6, one side of baffle 6 runs through there is fixing bolt 7, fixing bolt 7's one end swing joint has longeron 8, one side fixed mounting of longeron 8 has accessory plate 9, one side of accessory plate 9 is provided with second telescopic cover 13, the inside swing joint of second telescopic cover 13 has second telescopic link 14.
In this embodiment, the portal frame 1 forms a telescopic structure with the first telescopic rod 3 through the first telescopic sleeve 2, the jacks 4 are distributed on the first telescopic sleeve 2 at equal intervals, and the lengths of the first telescopic sleeve 2 and the first telescopic rod 3 are adjusted through the fixing knob 5, so that the portal frames 1 at two places can be reserved with enough lengths respectively, and the construction of other fixing devices is facilitated.
In the embodiment, the longitudinal beam 8 is in threaded connection with the partition plate 6 through the fixing bolt 7, the partition plate 6 is symmetrically arranged by the central axis of the first telescopic rod 3, and the angle of the fixing longitudinal beam 8 can be freely adjusted through the fixing bolt 7, so that the requirements of different girder heights are met.
In this embodiment, the movable sleeve 10 is movably connected to the outside of the first telescopic sleeve 2, the movable bolt 11 penetrates through the upper side of the movable sleeve 10, the support rod 12 is fixedly installed above the movable sleeve 10, the movable sleeve 10 and the movable bolt 11 complete the movement of the position of the support rod 12, and the girder erection requirements of different heights are met.
In this embodiment, the supporting rod 12 is movably connected with the first telescopic sleeve 2 through the movable sleeve 10, the supporting rod 12 is vertically distributed with the movable sleeve 10, the whole structure of the supporting rod 12 is simple, and the supporting work of the top second telescopic sleeve 13 and the second telescopic rod 14 is completed.
In this embodiment, an upper fork fixing frame 15 is fixedly installed on one side of the second telescopic sleeve 13, a cross fixing frame 16 is arranged on one side of the upper fork fixing frame 15, and the upper fork fixing frame 15 and the cross fixing frame 16 above the portal frame 1 provide an unfolding support function for the top of the device, so that two groups of longitudinal beams 8 and supporting rods 12 can be stably installed on two sides of the portal frame 1.
In this embodiment, the front of the portal frame 1 is provided with the pillow support 17, the upper side of the pillow support 17 is movably connected with the pillow plate 18, one side of the pillow support 17 is provided with the I-shaped rod 19, and the pillow support 17 and the pillow plate 18 facilitate the subsequent pavement such as cement paving above the device.
Working principle: when the telescopic steel truss girder is used, a group of the portal frames 1 are firstly placed on one side of a place where the girder is required to be built, reserved lengths are calculated, then the lengths of the first telescopic sleeves 2 and the first telescopic rods 3 are adjusted through the fixing knob 5, the enough lengths of the portal frames 1 on two places can be reserved so as not to increase redundant steel, then the height of the girder is built according to the requirement, the angle of the longitudinal beams 8 on the partition plate 6 is firstly adjusted through the fixing bolts 7, the positions of the longitudinal beams 8 are fixed through the fixing bolts 7 after the angle is determined, then the distance between the movable sleeves 10 on the first telescopic sleeves 2 is adjusted, the distance between the plurality of groups of supporting rods 12 is controlled to finish supporting work of the top of the device, then the second telescopic sleeves 13 and the second telescopic rods 14 on the top are stretched to the same length as the first telescopic sleeves 2 on the bottom, the fork fixing frames 15 and the cross fixing frames 16 are further arranged, finally after all the work is finished according to the operation, the rest 17 on the front of the portal frames 1 can be well built, the girder is further built, and the girder can be continuously connected to other places, and the girder can be stably built.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a telescopic steel truss girder, includes portal frame (1), its characterized in that: one side fixed mounting of portal frame (1) has first flexible cover (2), the inside swing joint of first flexible cover (2) has first telescopic link (3), jack (4) have been seted up on the top surface of first flexible cover (2), the inside swing joint of jack (4) has fixed knob (5), the outside of portal frame (1) is provided with baffle (6), one side of baffle (6) runs through has fixing bolt (7), one end swing joint of fixing bolt (7) has longeron (8), one side fixed mounting of longeron (8) has accessory board (9), one side of accessory board (9) is provided with second flexible cover (13), the inside swing joint of second flexible cover (13) has second telescopic link (14).
2. The telescopic steel truss girder according to claim 1, wherein the portal frame (1) and the first telescopic rod (3) form a telescopic structure through the first telescopic sleeve (2), and the jacks (4) are distributed on the first telescopic sleeve (2) at equal intervals.
3. A telescopic steel truss girder according to claim 1, wherein the stringers (8) are threaded with the spacer plates (6) by means of fixing bolts (7), the spacer plates (6) being arranged symmetrically with respect to the central axis of the first telescopic rod (3).
4. The telescopic steel truss girder according to claim 1, wherein a movable sleeve (10) is movably connected to the outside of the first telescopic sleeve (2), a movable bolt (11) penetrates through the upper portion of the movable sleeve (10), and a supporting rod (12) is fixedly installed above the movable sleeve (10).
5. The telescopic steel truss girder according to claim 4, wherein the supporting rods (12) are movably connected with the first telescopic sleeve (2) through the movable sleeve (10), and the supporting rods (12) are vertically distributed with the movable sleeve (10).
6. A telescopic steel truss girder according to claim 1, wherein an upper fork fixing frame (15) is fixedly mounted on one side of the second telescopic sleeve (13), and a cross fixing frame (16) is arranged on one side of the upper fork fixing frame (15).
7. The telescopic steel truss girder according to claim 1, wherein a pillow support (17) is arranged in front of the portal frame (1), a pillow plate (18) is movably connected above the pillow support (17), and an I-shaped rod (19) is arranged on one side of the pillow support (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321575328.7U CN220184430U (en) | 2023-06-20 | 2023-06-20 | Retractable steel truss girder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321575328.7U CN220184430U (en) | 2023-06-20 | 2023-06-20 | Retractable steel truss girder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220184430U true CN220184430U (en) | 2023-12-15 |
Family
ID=89110206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321575328.7U Active CN220184430U (en) | 2023-06-20 | 2023-06-20 | Retractable steel truss girder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220184430U (en) |
-
2023
- 2023-06-20 CN CN202321575328.7U patent/CN220184430U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |