Bridge equipment landing leg structure
Technical Field
The utility model relates to a landing leg structure technical field especially relates to a bridge equipment landing leg structure.
Background
With the development of bridge industrialization, the problem that the construction process of prefabricated parts is difficult in bridge construction in engineering practice is increasingly emphasized. The construction of pier stud, bent cap of traditional bridge all can be at first put up the support, and is consuming time long, receives bridge construction regional condition restriction, and after the construction, still need demolish the process, causes engineering cost promotion, environmental destruction. The quality engineering is vigorously advocated in China, the industrialized development trend of bridges is pushed, and the research and development of a tool which can be repeatedly used for bridge assembly installation is particularly important.
The existing bridge supporting leg structure cannot move back and forth after being lifted and fixed, and the supporting leg needs to be lowered repeatedly to be adjusted when adjustment is carried out, so that the bridge supporting leg structure is very inconvenient.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving current bridge landing leg structure and just can not displacement around rising fixed back, need drop the landing leg repeatedly when adjusting and adjust very inconvenient shortcoming, and the bridge equipment landing leg structure who provides.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a bridge equipment landing leg structure, including lower base, the spout has been seted up at the top of base down, sliding connection has last base on the inner wall of spout, go up the first flexible cover of top fixedly connected with of base, the slip cap is equipped with the flexible cover of second in the first flexible cover, go up and seted up two screw holes on the base, equal threaded connection has the screw rod in two screw holes, the both ends of two screw rods are all rotated and are connected on the side inner wall of spout, the one end of two screw rods is all fixed the cover and is equipped with first gear, the meshing is provided with same second gear on two first gears, fixed cover is equipped with the roller on the second gear, the one end of roller extends to the outer and fixedly connected with square pole of base down, the slip cap is equipped with square rocker on the square pole, square groove has been seted.
Preferably, a hydraulic cylinder is fixedly arranged on the inner wall of the bottom of the first telescopic sleeve, a hydraulic rod is fixedly connected to the hydraulic cylinder, and the hydraulic rod is matched with the second telescopic sleeve.
Preferably, the second telescopic sleeve is fixedly sleeved with a clamping ring, and the clamping ring is fixedly sleeved with a supporting plate.
Preferably, the top both sides of fagging all fixedly connected with cushion, the bottom both sides of fagging all fixedly connected with hydraulic pressure vaulting pole.
Preferably, both ends of both sides of lower base are all fixedly connected with the locating piece, and threaded connection has the bolt on the locating piece.
Compared with the prior art, the utility model has the advantages of:
1. this scheme will go up base sliding connection in the spout of base down, can rotate the roller through square rocker, and when the epaxial second gear of roller rotated, can drive two screw rods through two first gears and rotate, and then promoted threaded connection's last base on the screw rod, displacement adjustment around convenient.
2. This scheme is fixed under the fagging to be provided with two hydraulic pressure vaulting poles, falls through the hydraulic pressure vaulting pole and cooperates with the lower base, stabilizes the fagging, and when the flexible cover of second fell, the hydraulic pressure vaulting pole also can contract, convenient transport.
Drawings
Fig. 1 is a schematic structural diagram of a side view section of a support leg structure of bridge equipment according to the present invention;
fig. 2 is a schematic structural diagram of a top view section of a support leg structure of bridge equipment according to the present invention;
fig. 3 is a schematic structural diagram of a portion a in the structure diagram 2 of the support leg of the bridge equipment provided by the present invention.
In the figure: the hydraulic support device comprises a lower base 1, a sliding groove 2, an upper base 3, a first telescopic sleeve 4, a second telescopic sleeve 5, a threaded hole 6, a screw rod 7, a first gear 8, a second gear 9, a roller shaft 10, a square rod 11, a square rocker 12, a square clamping groove 13, a hydraulic rod 14, a hydraulic rod 15, a clamping ring 16, a supporting plate 17, a cushion block 18, a hydraulic supporting rod 19, a positioning block 20 and a bolt 21.
Detailed Description
The technical solutions in the embodiments will be described clearly and completely with reference to the drawings in the embodiments, and it is obvious that the described embodiments are only a part of the embodiments, but not all embodiments.
Example one
Referring to fig. 1-3, a supporting leg structure of bridge equipment comprises a lower base 1, a sliding groove 2 is formed in the top of the lower base 1, an upper base 3 is slidably connected on the inner wall of the sliding groove 2, a first telescopic sleeve 4 is fixedly connected on the top of the upper base 3, a second telescopic sleeve 5 is slidably sleeved in the first telescopic sleeve 4, two threaded holes 6 are formed in the upper base 3, screws 7 are respectively and threadedly connected in the two threaded holes 6, two ends of each screw 7 are rotatably connected on the inner wall of the side surface of the sliding groove 2, a first gear 8 is respectively and fixedly sleeved at one end of each screw 7, the same second gear 9 is meshed with the two first gears 8, a roller shaft 10 is fixedly sleeved on the second gear 9, one end of the roller shaft 10 extends out of the lower base 1 and is fixedly connected with a square rod 11, a square rocker 12 is slidably sleeved on the square rod 11, a square clamping groove 13 is formed, the square clamping groove 13 is matched with the square rocker 12, so that the square rocker 12 can be clamped conveniently.
In this embodiment, fixedly on the bottom inner wall of first telescope tube 4 being provided with pneumatic cylinder 14, fixedly connected with hydraulic stem 15 on the pneumatic cylinder 14, hydraulic stem 15 cooperatees with second telescope tube 5, conveniently pushes up second telescope tube 5.
In this embodiment, the second telescopic sleeve 5 is fixedly sleeved with a snap ring 16, and the snap ring 16 is fixedly sleeved with a supporting plate 17, so that the supporting plate 17 is conveniently pushed upwards.
In this embodiment, the top both sides of fagging 17 all fixedly connected with cushion 18, the bottom both sides of fagging 17 all fixedly connected with hydraulic pressure vaulting pole 19, conveniently fix fagging 17.
In this embodiment, the two ends of the two sides of the lower base 1 are fixedly connected with the positioning blocks 20, and the positioning blocks 20 are connected with the bolts 21 through the threads, so that the lower base 1 can be conveniently fixed.
Example two
Referring to fig. 1-3, a bridge equipment support leg structure comprises a lower base 1, a sliding groove 2 is formed at the top of the lower base 1, an upper base 3 is slidably connected on the inner wall of the sliding groove 2, a first telescopic sleeve 4 is fixedly welded at the top of the upper base 3, a second telescopic sleeve 5 is slidably sleeved in the first telescopic sleeve 4, two threaded holes 6 are formed in the upper base 3, screw rods 7 are respectively and threadedly connected in the two threaded holes 6, two ends of each screw rod 7 are respectively and rotatably connected on the inner wall of the side surface of the sliding groove 2, a first gear 8 is respectively and fixedly sleeved at one end of each screw rod 7, the same second gear 9 is meshed with the two first gears 8, a roller shaft 10 is fixedly sleeved on each second gear 9, one end of the roller shaft 10 extends out of the lower base 1 and is fixedly connected with a square rod 11, a square rocker 12 is slidably sleeved on the square rod 11, a square clamping, the square clamping groove 13 is matched with the square rocker 12, so that the square rocker 12 can be clamped conveniently.
In this embodiment, be provided with pneumatic cylinder 14 through the screw fixation on the bottom inner wall of first telescope tube 4, fixed welding has hydraulic stem 15 on the pneumatic cylinder 14, and hydraulic stem 15 cooperatees with second telescope tube 5, conveniently pushes up second telescope tube 5.
In this embodiment, the second telescopic sleeve 5 is fixedly sleeved with a snap ring 16, and the snap ring 16 is fixedly welded with a supporting plate 17, so that the supporting plate 17 is conveniently pushed upwards.
In this embodiment, the top both sides of fagging 17 all fixed welding have cushion 18, and the bottom both sides of fagging 17 all are through screw fixedly connected with hydraulic pressure vaulting pole 19, conveniently fix fagging 17.
In this embodiment, the two ends of the two sides of the lower base 1 are fixedly welded with the positioning blocks 20, the positioning blocks 20 are connected with the bolts 21 through the threads, and the lower base 1 is conveniently fixed
In the embodiment, the lower base 1 is firstly placed below a bridge to be erected, the lower base 1 is fixedly connected to the ground through the bolt 21 and the positioning block 20, then the square rocker 12 is drawn out from the square clamping groove 13, the square rocker 12 is rotated, the square rocker 12 can rotate the roll shaft 10 through the square rod 11, when the second gear 9 on the roll shaft 10 rotates, the two screws 7 can be driven to rotate by the two first gears 8, the upper base 3 which is in threaded connection with the screws 7 can be pushed when the screws 7 rotate, so that the position of the upper base 3 can be adjusted, then the hydraulic cylinder 14 is started, the second telescopic sleeve 5 is jacked up through the hydraulic rod 15, the clamping ring 16 on the second telescopic sleeve 5 carries the supporting plate 17 to ascend together, after the supporting plate reaches the designated height, the hydraulic stay bar 19 is lowered and supported on the top of the lower base 1, the stay plate 17 is fixed, then the bridge plate to be erected is fixedly placed on the cushion block 18 at the top of the supporting plate 17.
The above descriptions are only preferred embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to, replaced or changed.