CN214192193U - Precast concrete decking gallows - Google Patents
Precast concrete decking gallows Download PDFInfo
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- CN214192193U CN214192193U CN202022066075.3U CN202022066075U CN214192193U CN 214192193 U CN214192193 U CN 214192193U CN 202022066075 U CN202022066075 U CN 202022066075U CN 214192193 U CN214192193 U CN 214192193U
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- 239000011178 precast concrete Substances 0.000 title claims abstract description 19
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 75
- 239000010959 steel Substances 0.000 claims abstract description 75
- 239000000725 suspension Substances 0.000 claims description 38
- 238000000034 method Methods 0.000 abstract description 13
- 230000000694 effects Effects 0.000 abstract description 9
- 238000010276 construction Methods 0.000 abstract description 5
- 238000009434 installation Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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Abstract
The utility model belongs to the technical field of the bridge construction technique and specifically relates to a precast concrete decking gallows is related to, it includes I-steel frame and hoist, the I-steel frame sets up to four, four I-steel frames end to end and seal fixed connection in proper order, hoist fixed connection is in adjacent I-steel frame border angle position department, four I-steel frame fixed connection, the rigidity is great, has improved the bearing capacity of gallows, the decking is fixed in on the hoist for the decking atress is even in the lifting by crane in-process. This application has the effect that improves decking lifts by crane and installation stationarity.
Description
Technical Field
The application relates to the field of bridge construction, especially, relate to a precast concrete decking gallows.
Background
The deck slab, also known as a roadway slab, is a load-bearing structure that directly bears the wheel pressure of the vehicle. During bridge construction, the precast concrete bridge deck needs to be lifted and moved, and the precast concrete bridge deck needs to be hung by a hanging bracket in the lifting process.
The existing Chinese patent with reference to publication number CN106800245B discloses a hanger for hoisting a bridge deck, a hoisting device and a hoisting method, and relates to the field of bridge construction, and the hanger comprises a space truss, two groups of hoisting devices, a plurality of travelling wheels and a plurality of vertical jacks, wherein the space truss is composed of a trapezoidal truss and two parallel suspension beams positioned on the trapezoidal truss, and two ends of each suspension beam extend outwards for a certain distance towards the trapezoidal truss; the two groups of hoisting devices are respectively arranged at two ends of the suspension beam; the walking wheels are arranged at the bottom of the space truss; the vertical jack is arranged at the bottom of the space truss, and the hanging bracket has the advantages of simple structure, small self weight, convenient operation, material saving, capability of bearing larger load and capability of adapting to and meeting the requirements of construction engineering under similar design conditions.
Aiming at the related technologies, the inventor thinks that the stress of the bridge deck is uneven in the hoisting process, and the defects of poor stability of hoisting and mounting of the bridge deck exist.
SUMMERY OF THE UTILITY MODEL
In order to improve the stability that the decking hoisted by crane and installed, this application provides a precast concrete decking gallows.
The application provides a precast concrete decking gallows adopts following technical scheme:
the utility model provides a precast concrete bridge panel gallows, includes I-steel frame and hoist, and the I-steel frame sets up to four, and four I-steel frames are end to end fixed connection in proper order and are the closed state, and hoist fixed connection is in adjacent I-steel frame border angle position department.
By adopting the technical scheme, the four I-steel frames are fixedly connected, the rigidity is higher, the bearing capacity of the hanging bracket is improved, the bridge deck is fixed on the hanging tool, and the hanging tool is uniformly distributed at the corner positions of the adjacent I-steel frames, so that the stress of the bridge deck is uniform in the hoisting process, the hoisting and mounting stability is improved, and the optimal use effect is achieved.
Preferably, the top and the bottom of the lifting appliance are both provided with lifting holes.
Through adopting above-mentioned technical scheme, at the in-process of lifting by crane the decking, the steel cable of lifting by crane the usefulness passes the lewis hole at hoist top, and the lifting hook of reserving on the decking passes the lewis hole of hoist bottom and fixes, and the lewis hole is spacing to the decking, prevents that the decking from taking place the dislocation and removes, has improved the stationarity that the decking lifted by crane, reaches best result of use.
Preferably, the inner sides of the adjacent I-shaped steel frames are fixedly connected with I-shaped steel inclined struts.
By adopting the technical scheme, the I-steel inclined struts are fixed on the inner sides of the adjacent I-steel frames to form a triangular stable structure, when the hanging bracket hangs the bridge deck slab, the connection form of the I-steel frames and the I-steel inclined struts is not easy to deform, the connection and fixation stability of the hanging bracket is improved, the bearing capacity of the hanging bracket is enhanced, and the best use effect is achieved.
Preferably, the I-steel frame is sleeved with a suspension bracket, the suspension bracket is connected with the I-steel frame in a sliding manner, a suspension hole is formed in the bottom of the suspension bracket, the suspension bracket is in threaded connection with a positioning bolt, and the positioning bolt is abutted to the side face of the I-steel frame.
By adopting the technical scheme, when the bridge deck is lifted, the position of the suspension bracket is horizontally moved along the I-shaped steel frame, so that the suspension bracket is arranged above the reserved lifting hook of the bridge deck, the lifting hook is fixed on the suspension hole, and meanwhile, the positioning bolt is screwed to fix the suspension bracket; the positions for hanging and fixing the bridge deck are increased, and the lifting stability is improved.
Preferably, a cross beam is fixedly connected between the two opposite I-shaped steel frames and is arranged in the middle of the I-shaped steel frames, a hanging block is detachably connected to the bottom of the cross beam, and a fixing hole is formed in the bottom of the hanging block.
By adopting the technical scheme, when the bridge deck is hung below the hanging bracket, the lifting hook reserved at the center of the bridge deck penetrates through the fixing hole at the bottom of the hanging block and is fixed, the cross beam is arranged in the middle of the I-shaped steel frame, the upward tension at the center of the bridge deck is improved, the center of gravity of the bridge deck is more stable, and the lifting and mounting stability of the bridge deck is improved.
Preferably, the bottom of the cross beam is provided with a sliding groove, the lifting block is clamped in the sliding groove and is connected with the sliding groove in a sliding manner, the side surface of the lifting block is fixedly connected with a support, the support is provided with a fixing bolt, and the fixing bolt penetrates through the support and is abutted to the bottom of the cross beam.
Through adopting above-mentioned technical scheme, along the position that spout horizontal slip hung the piece, make to hang the piece and arrange the top that decking central point put in, the fixing bolt that screws is with fixing bolt and crossbeam butt, fixes hanging the piece, passes the fixed orifices of hanging the piece bottom and fixes with the lifting hook that decking central point department of putting reserved, has improved the convenience of using.
Preferably, the bottom surface of the I-shaped steel frame, which is close to the cross beam, is fixedly connected with a supporting assembly, and the supporting assembly is perpendicular to the bottom surface of the cross beam.
Through adopting above-mentioned technical scheme, when lifting the decking installation, the decking hangs in the gallows below, and supporting component bottom and decking butt lift by crane the in-process at the decking, when the decking takes place the skew slope, supporting component provides the decurrent external force of perpendicular to wage word steel frame bottom surface to the decking, rectifies the leveling to the decking, has improved the stationarity that the decking lifted by crane.
Preferably, the supporting component comprises a fixing rod, a telescopic rod and a contact plate, the fixing rod is fixedly connected to the bottom surface of the I-shaped steel frame, the telescopic rod is inserted into the fixing rod, the fixing rod is close to the telescopic rod and is detachably connected with a bolt, the bolt penetrates through the fixing rod and is abutted to the telescopic rod, and the contact plate is fixedly connected to one end, far away from the fixing rod, of the telescopic rod.
Through adopting above-mentioned technical scheme, adjust the length that the telescopic link stretches out to the bolt of screwing, the bolt is fixed the telescopic link with the telescopic link butt, makes contact plate and decking top butt, can be according to the distance between decking and the I-steel frame, adjustment supporting component's length has improved the practicality of use and the convenience of regulation.
In summary, the present application includes at least one of the following beneficial technical effects:
1. by arranging the I-shaped steel frame, the effects of improving the bearing capacity and lifting stability of the lifting frame are achieved;
2. the I-steel inclined strut is arranged, so that the effect of improving the use stability is achieved;
3. through setting up crossbeam and hanging piece, produced the effect that improves the stationarity of lifting by crane.
Drawings
FIG. 1 is a schematic diagram of an overall structure of an embodiment of the present application;
FIG. 2 is a schematic diagram of the overall structure of the second embodiment of the present application;
FIG. 3 is an enlarged view at A in FIG. 2;
FIG. 4 is an enlarged view at B in FIG. 2;
fig. 5 is an enlarged view at C in fig. 2.
Description of reference numerals: 1. an I-steel frame; 11. a suspension bracket; 111. a hanging hole; 112. positioning the bolt; 2. a spreader; 21. hoisting holes; 3. i-shaped steel inclined struts; 4. a cross beam; 41. a chute; 5. a hanging block; 51. a fixing hole; 52. a support; 521. fixing the bolt; 6. a support assembly; 61. fixing the rod; 62. a telescopic rod; 63. a contact plate.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
Example one
The embodiment of the application discloses precast concrete decking gallows. Referring to fig. 1, the precast concrete deck slab hanger comprises four h-shaped steel frames 1 and lifting appliances 2, wherein the four h-shaped steel frames 1 are sequentially fixedly connected end to end and are in a closed state, and the lifting appliances 2 are fixedly connected to the corners of the adjacent h-shaped steel frames 1. The stress of the bridge deck is uniform in the hoisting process, and the hoisting and mounting stability is improved.
Referring to fig. 1, the top plate and the bottom plate are cut at two ends of two transverse H-shaped steel frames 1, the web plate is fixedly connected with the web plate of the longitudinal H-shaped steel frame 1, the contact area is increased, the connection stability is improved, the four H-shaped steel frames 1 are fixedly connected, the rigidity is high, the bearing capacity of the hanging bracket is improved, the bridge deck is fixed on a hanging tool 2, and the hanging tool 2 is uniformly distributed at the corner positions of the adjacent H-shaped steel frames 1, so that the stress of the bridge deck is uniform in the hoisting process, and the hoisting stability is improved.
Referring to fig. 1, the top and the bottom of the hanger 2 are both provided with hanging holes 21; in the process of hoisting the bridge deck slab, a steel cable for hoisting penetrates through a hoisting hole 21 in the top of the hoisting tool 2, a hoisting hook reserved on the bridge deck slab penetrates through the hoisting hole 21 in the bottom of the hoisting tool 2 and is fixed, the hoisting hole 21 limits the bridge deck slab, the bridge deck slab is prevented from moving in a dislocation mode, the hoisting stability of the bridge deck slab is improved, and the best use effect is achieved.
Referring to fig. 1, i-steel inclined struts 3 are fixedly connected to the inner sides of adjacent i-steel frames 1; the adjacent I-steel frames 1 and the I-steel inclined struts 3 form a triangular stable structure, when the hanger is used for hanging the bridge deck, the connection form of the I-steel frames 1 and the I-steel inclined struts 3 is not easy to deform, the connection and fixation stability of the hanger is improved, meanwhile, the bearing capacity of the hanger is enhanced, and the best use effect is achieved.
The implementation principle of this application embodiment precast concrete decking gallows does: a steel cable for hoisting penetrates through a hoisting hole 21 at the top of the hoisting tool 2, a hook reserved on the bridge deck plate penetrates through the hoisting hole 21 at the bottom of the hoisting tool 2 and is fixed, and the hoisting hole 21 limits the bridge deck plate to prevent the bridge deck plate from moving in a dislocation way; the I-steel inclined strut 3 is fixed on the inner side of the adjacent I-steel frame 1, so that the stability of connection and fixation of the hanging bracket is improved; the stress of the bridge deck is uniform in the hoisting process, and the hoisting and mounting stability is improved.
Example two
The difference from the first embodiment is that, with reference to fig. 2 and 3, the i-steel frame 1 is sleeved with the suspension bracket 11, the suspension bracket 11 is connected with the i-steel frame 1 in a sliding manner, the bottom of the suspension bracket 11 is provided with the suspension hole 111, in the present embodiment, four suspension brackets 11 are preferably arranged, the suspension brackets 11 are connected with the positioning bolt 112 in a threaded manner, and the positioning bolt 112 is abutted against the side surface of the i-steel frame 1. When the bridge deck is lifted, the position of the suspension bracket 11 is horizontally moved along the I-steel frame 1, so that the suspension bracket 11 is arranged above a reserved suspension hook of the bridge deck, the suspension hook is fixed on the suspension hole 111, and meanwhile, the positioning bolt 112 is screwed to fix the suspension bracket 11, so that the suspension bracket 11 can be adjusted according to the position of the suspension hook on the bridge deck, and the convenience of using and adjusting the suspension bracket 11 is improved; the positions for hanging and fixing the bridge deck are increased, and the lifting stability is improved.
Referring to fig. 2 and 4, a cross beam 4 is fixedly connected between two opposite i-steel frames 1, the cross beam 4 is arranged in the middle of the i-steel frame 1, the bottom of the cross beam 4 is detachably connected with a hanging block 5, and the bottom of the hanging block 5 is provided with a fixing hole 51; the bottom of the cross beam 4 is provided with a sliding groove 41, the hanging block 5 is clamped in the sliding groove 41 and is connected with the sliding groove 41 in a sliding manner, the side surface of the hanging block 5 is fixedly connected with a support 52, the support 52 is provided with a fixing bolt 521, and the fixing bolt 521 penetrates through the support 52 and is abutted to the bottom of the cross beam 4. Horizontally sliding the position of the hanging block 5 along the sliding groove 41, enabling the hanging block 5 to be arranged above the center position of the bridge deck, screwing the fixing bolt 521 to enable the fixing bolt 521 to be abutted against the cross beam 4, fixing the hanging block 5, and enabling a hanging hook reserved at the center position of the bridge deck to penetrate through a fixing hole 51 at the bottom of the hanging block 5 for fixing, so that the use convenience is improved; the crossbeam 4 is arranged in the middle of the I-steel frame 1, so that the upward tension at the center of the bridge deck is improved, the center of gravity of the bridge deck is more stable, and the hoisting and mounting stability of the bridge deck is improved.
Referring to fig. 5, a supporting component 6 is fixedly connected to the bottom surface of the i-steel frame 1 near the cross beam 4, and the supporting component 6 is perpendicular to the bottom surface of the cross beam 4; the embodiment is preferably provided with two supporting assemblies 6, each supporting assembly 6 comprises a fixing rod 61, an expansion rod 62 and a contact plate 63, the fixing rod 61 is fixedly connected to the bottom surface of the i-steel frame 1, the expansion rod 62 is inserted into the fixing rod 61, a bolt is detachably connected to the position, close to the expansion rod 62, of the fixing rod 61, the bolt penetrates through the fixing rod 61 and is abutted to the expansion rod 62, and the contact plate 63 is fixedly connected to one end, far away from the fixing rod 61, of the expansion rod 62. The length of the extension rod 62 is adjusted, the bolt is screwed, the bolt abuts against the extension rod 62 to fix the extension rod 62, the contact plate 63 abuts against the top of the bridge deck plate, the length of the support assembly 6 can be adjusted according to the distance between the bridge deck plate and the I-shaped steel frame 1, and the practicability of use and the convenience of adjustment are improved; in the hoisting process of the bridge deck, when the bridge deck is deviated and inclined, the supporting component 6 provides external force which is vertical to the bottom surface of the payroll-type steel frame and downwards for the bridge deck, so that the deviation rectification and leveling are carried out on the bridge deck, and the hoisting stability of the bridge deck is improved; meanwhile, the contact plate 63 increases the contact area with the bridge deck, and improves the use stability.
The implementation principle of the second embodiment of the present application is different from that of the first embodiment in that: when the bridge deck is lifted, the position of the suspension bracket 11 is horizontally moved along the I-steel frame 1, so that the suspension bracket 11 is arranged above a reserved suspension hook of the bridge deck, the suspension hook is fixed on the suspension hole 111, the position for suspending and fixing the bridge deck is increased, and the lifting stability is improved; the position of the hanging block 5 horizontally slides along the sliding groove 41, so that the hanging block 5 is arranged above the center position of the bridge deck, a hanging hook reserved at the center position of the bridge deck penetrates through a fixing hole 51 at the bottom of the hanging block 5 and is fixed, the length of the supporting component 6 is adjusted and is abutted and fixed with the bridge deck, the bridge deck is subjected to deviation rectification and leveling, and the hoisting stability of the bridge deck is improved.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (7)
1. The utility model provides a precast concrete decking gallows which characterized in that: the lifting appliance comprises I-shaped steel frames (1) and lifting appliances (2), the I-shaped steel frames (1) are arranged into four pieces, the four I-shaped steel frames (1) are sequentially and fixedly connected end to end and are in a closed state, the lifting appliances (2) are fixedly connected to corner positions of the adjacent I-shaped steel frames (1), suspension frames (11) are sleeved on the I-shaped steel frames (1), the suspension frames (11) are connected with the I-shaped steel frames (1) in a sliding mode, suspension holes (111) are formed in the bottoms of the suspension frames (11), positioning bolts (112) are connected to the suspension frames (11) in a threaded mode, and the positioning bolts (112) are abutted to the side faces of the I-shaped steel frames (1).
2. A precast concrete deck hanger according to claim 1, wherein: and the top and the bottom of the lifting appliance (2) are both provided with lifting holes (21).
3. A precast concrete deck hanger according to claim 1, wherein: and the inner sides of the adjacent I-shaped steel frames (1) are fixedly connected with I-shaped steel inclined struts (3).
4. A precast concrete deck hanger according to claim 1, wherein: the fixed connection has crossbeam (4) between two relative I-steel frame (1), and crossbeam (4) arrange I-steel frame (1) middle part in, crossbeam (4) bottom can be dismantled and be connected with hanging piece (5), and fixed orifices (51) have been seted up to hanging piece (5) bottom.
5. A precast concrete deck hanger according to claim 4, wherein: the bottom of the cross beam (4) is provided with a sliding groove (41), the hanging block (5) is clamped in the sliding groove (41) and is connected with the sliding groove (41) in a sliding manner, a support (52) is fixedly connected to the side face of the hanging block (5), a fixing bolt (521) is arranged on the support (52), and the fixing bolt (521) penetrates through the support (52) and is abutted to the bottom of the cross beam (4).
6. A precast concrete deck hanger according to claim 1, wherein: the bottom surface of the I-shaped steel frame (1) is close to the cross beam (4) and is fixedly connected with a supporting component (6), and the supporting component (6) is perpendicular to the bottom surface of the cross beam (4).
7. A precast concrete deck hanger according to claim 6, wherein: the supporting assembly (6) comprises a fixing rod (61), an expansion rod (62) and a contact plate (63), the fixing rod (61) is fixedly connected to the bottom surface of the I-shaped steel frame (1), the expansion rod (62) is inserted into the fixing rod (61), the position, close to the expansion rod (62), of the fixing rod (61) is detachably connected with a bolt, the bolt penetrates through the fixing rod (61) and is abutted to the expansion rod (62), and the contact plate (63) is fixedly connected to one end, far away from the fixing rod (61), of the expansion rod (62).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022066075.3U CN214192193U (en) | 2020-09-19 | 2020-09-19 | Precast concrete decking gallows |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022066075.3U CN214192193U (en) | 2020-09-19 | 2020-09-19 | Precast concrete decking gallows |
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| Publication Number | Publication Date |
|---|---|
| CN214192193U true CN214192193U (en) | 2021-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022066075.3U Active CN214192193U (en) | 2020-09-19 | 2020-09-19 | Precast concrete decking gallows |
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| CN (1) | CN214192193U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114368676A (en) * | 2022-01-13 | 2022-04-19 | 柳州柳新汽车冲压件有限公司 | Lifting appliance |
-
2020
- 2020-09-19 CN CN202022066075.3U patent/CN214192193U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114368676A (en) * | 2022-01-13 | 2022-04-19 | 柳州柳新汽车冲压件有限公司 | Lifting appliance |
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