CN222685301U - A temporary steel truss support device for bridge pier cap construction - Google Patents
A temporary steel truss support device for bridge pier cap construction Download PDFInfo
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- CN222685301U CN222685301U CN202421447815.XU CN202421447815U CN222685301U CN 222685301 U CN222685301 U CN 222685301U CN 202421447815 U CN202421447815 U CN 202421447815U CN 222685301 U CN222685301 U CN 222685301U
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- supporting
- steel truss
- piece
- lifting
- moving platform
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- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
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Abstract
The utility model provides a temporary steel truss supporting device for bridge pier capping beam construction, which comprises a moving mechanism, a supporting mechanism and a lifting mechanism, wherein the moving mechanism comprises a moving platform and Mecanum wheels, the Mecanum wheels enable the moving mechanism to transversely move, the supporting mechanism comprises a supporting piece, a first telescopic piece and a second telescopic device, the supporting piece vertically penetrates through the moving platform, can vertically move relative to the moving platform, the first telescopic piece is arranged between the supporting piece and the moving platform to control the supporting piece to vertically move, the first telescopic piece enables the supporting piece to be suspended when the supporting truss moves, the first telescopic piece enables the supporting piece to be in contact with the ground when the supporting truss is supported, the lower end of the second telescopic piece is connected with the supporting piece, the upper end of the second telescopic piece is connected with the lifting mechanism, the lifting mechanism is enabled to be always horizontal, the lifting mechanism comprises a lifting device and a beam clamping device, the lifting device is used for supporting a steel truss, and the beam clamping device is arranged on the upper portion of the lifting device and used for clamping a steel truss beam to fix the steel truss.
Description
Technical Field
The utility model relates to the technical field of steel truss support, in particular to a temporary steel truss support device for pier capping beam construction.
Background
A large number of steel trusses are used in the construction process of the pier bent cap, the trusses are connected with the ground through the steel truss supporting device, and all temporary facility weight and bent cap weight of the pier bent cap construction are born by the temporary steel truss supporting device.
The existing temporary steel truss supporting device mainly adopts steel pipes to build scaffolds to serve as supports, and the scaffolds have the problems of long building period and long dismounting period.
Disclosure of utility model
The utility model aims to provide a temporary steel truss support device for pier bent cap construction, and aims to solve the problems that a construction scaffold in the prior art is long in construction period and long in disassembly period as the temporary steel truss support device. In order to achieve the above purpose, the utility model adopts the following technical scheme:
A temporary steel truss supporting device for pier bent cap construction comprises a moving mechanism, a supporting mechanism and a lifting mechanism.
The support mechanism comprises a support piece and a first telescopic piece, the support piece vertically penetrates through the moving mechanism, the support piece can move up and down relative to the moving mechanism, the first telescopic piece is arranged on the upper portion of the moving platform, one end of the first telescopic piece is connected with the support piece, and the first telescopic piece can drive the support piece to move up and down relative to the moving mechanism.
The lower end of the lifting mechanism is connected with the upper end of the supporting mechanism, the height of the lifting mechanism is adjustable, and the top of the lifting mechanism is used for supporting the steel truss.
The movable platform is connected with the connecting piece through a first hydraulic rod, the first hydraulic rod stretches and contracts to enable the connecting piece to rotate relative to the movable platform, a second hydraulic rod is arranged between the connecting piece and the supporting seat, and the second hydraulic rod stretches and contracts to enable the supporting seat to rotate relative to the connecting piece.
Preferably, the moving mechanism comprises a moving platform and a Mecanum wheel, a driving device is arranged in the moving platform and is connected with the Mecanum wheel in a rotating way, and the driving device can enable the Mecanum wheel to rotate so as to enable the moving platform to move transversely.
Preferably, the lifting mechanism comprises a lifting device and a beam clamping device arranged at the top of the lifting device, wherein the lifting device is used for supporting the steel truss, and the beam clamping device is used for clamping and fixing a bottom beam of the steel truss.
Preferably, the upper end of the supporting piece is provided with a second telescopic piece, and the upper end of the second telescopic piece is connected to the bottom of the lifting device, so that the lifting device is always horizontal.
Preferably, the top of elevating gear has seted up the spout, and beam clamping device includes horizontal direction subassembly and mounting, and horizontal direction subassembly rotates to be established in the spout, and the spout sliding is equipped with two mounts, and the mounting cup joints on horizontal direction subassembly and with horizontal direction subassembly screw thread fit, can adjust the interval between two mounts when horizontal direction subassembly rotates to make two mounts can press from both sides the bottom crossbeam of tight fixed steel truss.
Preferably, a stop is arranged above the fixing piece and used for limiting the movement of the steel truss in the vertical direction.
The temporary steel truss support device has the advantages that 1, the temporary steel truss support device can move on a working site through the arrangement of the moving mechanism, and building or disassembly is not needed.
2. The support piece can move up and down relative to the moving mechanism by arranging the first telescopic piece, when the steel truss is supported, the support piece is directly contacted with the ground by the first telescopic piece and bears the load transferred by the steel truss, and when the steel truss is moved, the support piece is suspended by the first telescopic piece, so that the moving mechanism is convenient to move.
3. Through setting up height-adjustable's elevating system, make elevating system top can support the steel truss of different height.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present utility model;
FIG. 2 is a schematic view of the structure of a support leg according to an embodiment of the present utility model when the support leg is braced against the ground;
FIG. 3 is a right side view of a particular embodiment of the present utility model;
FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3;
FIG. 5 is a schematic view of the structure of a moving mechanism and a portion of a supporting mechanism according to an embodiment of the present utility model;
FIG. 6 is a partial enlarged view at X in FIG. 5;
Fig. 7 is a schematic view of the structure of the support member and the second telescopic member according to the embodiment of the present utility model.
100, A moving mechanism, 110, a moving platform, 120, a Mecanum wheel, 130, supporting legs, 131, connecting pieces, 132, a supporting seat, 140, a first hydraulic rod, 150, a second hydraulic rod, 200, a supporting mechanism, 210, a supporting piece, 220, a first telescopic piece, 230, a second telescopic piece, 300, a lifting mechanism, 310, a lifting device, 320, a beam clamping device, 321, a horizontal guide assembly, 322, a fixing piece, 323 and a stop block.
Detailed Description
The following describes the embodiments of the present utility model further with reference to the drawings.
As shown in fig. 1 to 7, a temporary steel truss support device for pier capping beam construction includes a moving mechanism 100, a support mechanism 200, and a lifting mechanism 300.
In this embodiment, the moving mechanism 100 includes a moving platform 110 and mecanum wheels 120, two mecanum wheels 120 are disposed on the left side surface of the moving platform 110, two mecanum wheels 120 are disposed on the right side surface of the moving platform 110, driving devices, specifically motors, are disposed in the lower portion of the moving platform 110, four driving devices are respectively connected with the corresponding mecanum wheels 120 in a rotating manner, and the four driving devices control the four mecanum wheels 120 to rotate at different rotation speeds, so that the moving platform 110 moves laterally.
In this embodiment, two supporting legs 130 are disposed on the front side of the moving mechanism 100, two supporting legs 130 are disposed on the rear side of the moving mechanism 100, the supporting legs 130 include a connecting piece 131 and a supporting seat 132, one end of the connecting piece 131 is hinged to the moving platform 110, the other end of the connecting piece is hinged to the supporting seat 132, the connecting piece 131 can rotate up and down relative to the moving platform 110, the supporting seat 132 can rotate up and down relative to the connecting piece 131, when a steel truss is supported, the supporting seat 132 is in contact with the ground to limit the movement of the moving mechanism 100, the supporting seat 132 is in contact with the ground to prevent the moving mechanism 100 from turning on one side to support the steel truss, a first hydraulic rod 140 is disposed between the connecting piece 131 and the moving platform 110, two ends of the first hydraulic rod 140 are respectively connected with the connecting piece 131 and the moving platform 110 in a rotating manner, the first hydraulic rod 140 is retracted to enable the connecting piece 131 to rotate relative to the moving platform 110 through telescoping, when the moving mechanism 100 moves, the supporting seat 132 is prevented from affecting the movement of the moving mechanism 100, when the supporting truss is supported by the supporting seat 132, the first hydraulic rod 140 is extended to control the connecting piece 131 to rotate relative to the moving platform 110, the connecting piece 131 rotates downwards, the second hydraulic rod 150 is disposed between the two ends of the connecting piece 131 and the second hydraulic rod 132 is connected with the ground to the two end of the supporting seat 132 in a large-side, and the largest area of the supporting seat 132 is adjusted to rotate, and the largest area is connected to the second hydraulic rod 132.
The support mechanism 200 comprises two support pieces 210 and a first telescopic piece 220, wherein the two support pieces 210 vertically penetrate through and are movably inserted into the moving mechanism 100, the two support pieces 210 are bilaterally symmetrical relative to a vertical plane where a bilateral symmetry axis of the moving mechanism 100 is located, the support pieces 210 can move up and down relative to the moving mechanism 100, bosses are arranged on the left side and the right side of the lower portion of the support pieces 210 and are located above the moving mechanism 100, the first telescopic piece 220 is arranged between the lower end face of the boss and the moving mechanism 100, the support pieces 210 move up and down relative to the moving platform 110 through the support bosses, the first telescopic piece 220 is specifically a jack, a bottom plate is fixedly arranged at the lower end of the support pieces 210, and the area of the bottom plate is larger than that of the lower end face of the support pieces 210. The bottom plate is used for increasing the contact area of the supporting member with the ground so as to improve the stability of the supporting member 210 when supporting the steel truss.
The lower part of the lifting mechanism 300 is connected with the upper end of the supporting mechanism 200, the height of the lifting mechanism 300 is adjustable, and the top of the lifting mechanism 300 is used for supporting the steel truss.
In this embodiment, the lifting mechanism 300 includes a lifting device 310 and a beam clamping device 320, the lifting device 310 is specifically a scissor hydraulic lifter, the top of the lifting device 310 supports a steel truss, a chute is formed in the top of the lifting device 310, the beam clamping device 320 includes a horizontal guiding component 321 and fixing pieces 322, the horizontal guiding component 321 is rotatably arranged in the chute, two fixing pieces 322 are slidably arranged in the chute, the two fixing pieces 322 are sleeved on the horizontal guiding component 321 and are in threaded fit with the horizontal guiding component 321, the chute limits the fixing pieces 322 to rotate along with the horizontal guiding component 321, the horizontal guiding component 321 rotates, the fixing pieces 322 are driven to move along the chute by the threaded fit with the fixing pieces 322, and further, the distance between the two fixing pieces 322 can be adjusted by the rotation of the horizontal guiding component 321, so that the two fixing pieces 322 can clamp and fix the beam at the bottom of the steel truss.
In this embodiment, the upper ends of the supporting members 210 are respectively provided with a second telescopic member 230, the second telescopic members 230 are specifically electric telescopic rods, the upper ends of the second telescopic members 230 are connected with the lifting device 310, and when the upper end surfaces of the two supporting members 210 with the same height are not in the same horizontal plane due to uneven construction sites, the plane of the upper ends of the second telescopic members 230 is in the same horizontal plane by adjusting the second telescopic members 230 at the upper ends of the two supporting members 210, so that the lifting device 310 is always horizontal.
In the embodiment, a stop block 323 is arranged above the fixing piece 322, the stop block 323 is connected with the fixing piece 322 through a screw rod, and the screw rod rotates to enable the stop block 323 to move up and down relative to the fixing piece 322 so as to clamp and fix the bottom cross beam of the steel truss, so that the movement of the steel truss in the vertical direction is limited.
The temporary steel truss supporting device for the bridge pier capping beam is in an initial state that the lower end of a supporting piece 210 is suspended by lifting a first telescopic piece 220, supporting legs 130 are lifted upwards by contracting a first hydraulic rod 140, two fixing pieces 322 are respectively positioned at two ends of a chute, and a stop block 323 is positioned at the highest position relative to the fixing pieces 322.
First, when the moving mechanism 100 moves, the first telescopic member 220 is extended, and the boss at the lower part of the supporting member 210 moves upwards synchronously with the extension of the supporting member 210, so that the supporting member 210 moves upwards, and the extension of the first telescopic member 220 makes the lower end plane of the supporting member 210 suspended and keep a certain distance from the ground, so as to facilitate the movement of the moving mechanism 100.
Then, the driving device drives the Mecanum wheel 120 to rotate to move the moving platform 110 to a designated position, then the first hydraulic rod 140 is extended to enable the connecting piece 131 to rotate downwards relative to the moving platform 110, the second hydraulic rod 150 is extended to enable the supporting seat 132 to rotate to adjust the contact area between the bottom surface of the supporting seat 132 and the ground to the maximum, then the worker controls the first telescopic piece 220 to shorten, the boss at the lower part of the supporting piece 210 synchronously moves downwards along with the shortening of the first telescopic piece 220, the supporting piece 210 is further moved downwards, the first telescopic piece 220 shortens to enable the lower end plane of the supporting piece 210 to contact the ground and bear the gravity load of the truss, and meanwhile, the worker adjusts the second telescopic piece 230 to enable the lifting device 310 to be in a horizontal state.
Then, the worker rotates the horizontal guide assembly 321 to move the two fixing members 322 relatively, the distance between the two fixing members 322 decreases and approaches the steel truss until the steel truss bottom beam is clamped, the steel truss is restrained from moving horizontally, then the worker screws the screw, the stopper 323 moves downward relative to the fixing members 322 to finally clamp the steel truss bottom beam, the steel truss is restrained from moving vertically, and then the lifting device 310 is lifted to lift the steel truss to a designated height and support.
After the bridge pier capping beam is constructed, the lifting device 310 descends, the steel truss descends synchronously along with the lifting device 310, after the lifting device 310 descends to the lowest point, a worker screws a screw rod to enable a stop block 323 to release a steel truss bottom cross beam, then the worker rotates a horizontal guide assembly 321 to enable the distance between two fixing pieces 322 to be large, the steel truss bottom cross beam is not clamped and fixed, then the steel truss is lifted by a crane, then the first telescopic piece 220 stretches to enable the supporting piece 210 to be suspended, the first hydraulic rod 140 shortens to enable the supporting leg 130 to be lifted, and finally the driving device drives the Mecanum wheel 120 to rotate to enable the movable platform 110 to be moved to a designated position.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (7)
1. The temporary steel truss supporting device for pier bent cap construction is characterized by comprising a moving mechanism (100), a supporting mechanism (200) and a lifting mechanism (300);
The supporting mechanism (200) comprises a supporting piece (210) and a first telescopic piece (220), wherein the supporting piece (210) vertically penetrates through the moving mechanism (100), the supporting piece (210) can move up and down relative to the moving mechanism (100), the first telescopic piece (220) is arranged on the upper part of the moving platform (110), one end of the first telescopic piece (220) is connected with the supporting piece (210), and the first telescopic piece (220) can drive the supporting piece (210) to move up and down relative to the moving mechanism (100);
The lower end of the lifting mechanism (300) is connected with the upper end of the supporting mechanism (200), the height of the lifting mechanism (300) is adjustable, and the top of the lifting mechanism (300) is used for supporting the steel truss.
2. The temporary steel truss support device for bridge pier bent cap construction according to claim 1, wherein the support legs (130) are arranged on the moving mechanism (100), the support legs (130) comprise connecting pieces (131) and support bases (132), one ends of the connecting pieces (131) are hinged to the moving platform (110), the other ends of the connecting pieces are hinged to the support bases (132), the connecting pieces (131) can rotate up and down relative to the moving platform (110), the support bases (132) can rotate up and down relative to the connecting pieces (131), the moving platform (110) is connected with the connecting pieces (131) through first hydraulic rods (140), the first hydraulic rods (140) stretch and retract to enable the connecting pieces (131) to rotate relative to the moving platform (110), and second hydraulic rods (150) are arranged between the connecting pieces (131) and the support bases (132), and the second hydraulic rods (150) stretch and retract to enable the support bases (132) to rotate relative to the connecting pieces (131).
3. The temporary steel truss support device for pier capping beam construction according to claim 2, wherein the moving mechanism (100) comprises a moving platform (110) and a Mecanum wheel (120), a driving device is arranged in the moving platform (110), the driving device is rotationally connected with the Mecanum wheel (120), and the driving device can enable the Mecanum wheel (120) to rotate so as to enable the moving platform (110) to transversely move.
4. The temporary steel truss support device for pier capping beam construction according to claim 1, wherein the lifting mechanism (300) comprises a lifting device (310) and a beam clamping device (320) arranged at the top of the lifting device (310), the lifting device (310) is used for supporting a steel truss, and the beam clamping device (320) is used for clamping and fixing a bottom beam of the steel truss.
5. The temporary steel truss support device for pier capping beam construction according to claim 4, wherein the second telescopic member (230) is arranged at the upper end of the support member (210), and the upper end of the second telescopic member (230) is connected to the bottom of the lifting device (310) so that the lifting device (310) is always horizontal.
6. The temporary steel truss support device for pier capping beam construction according to claim 5, wherein the top of the lifting device (310) is provided with a sliding groove, the beam clamping device (320) comprises a horizontal guide assembly (321) and fixing pieces (322), the horizontal guide assembly (321) is rotatably arranged in the sliding groove, two fixing pieces (322) are slidably arranged in the sliding groove, the fixing pieces (322) are sleeved on the horizontal guide assembly (321) and are in threaded fit with the horizontal guide assembly (321), and the distance between the two fixing pieces (322) can be adjusted when the horizontal guide assembly (321) rotates, so that the two fixing pieces (322) can clamp and fix a bottom beam of the steel truss.
7. The temporary steel truss support device for pier capping beam construction according to claim 6, wherein a stop block (323) is arranged above the fixing piece (322), and the stop block (323) is used for limiting the movement of the steel truss in the vertical direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421447815.XU CN222685301U (en) | 2024-06-24 | 2024-06-24 | A temporary steel truss support device for bridge pier cap construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421447815.XU CN222685301U (en) | 2024-06-24 | 2024-06-24 | A temporary steel truss support device for bridge pier cap construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222685301U true CN222685301U (en) | 2025-03-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421447815.XU Active CN222685301U (en) | 2024-06-24 | 2024-06-24 | A temporary steel truss support device for bridge pier cap construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222685301U (en) |
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- 2024-06-24 CN CN202421447815.XU patent/CN222685301U/en active Active
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