CN220377110U - Mounting and adjusting device for assembled bridge deck - Google Patents

Abstract

The utility model relates to an assembly type bridge deck installation and adjustment device, which comprises a lower support frame and an upper support frame movably arranged on the lower support frame, wherein an ear plate for connecting a bridge deck to be installed is arranged on the upper support frame, two movable wheel sets are arranged at the bottom of the lower support frame, two height adjusting piece sets are arranged at the bottom of the lower support frame, and two top supporting piece sets which are supported to the upper support frame and used for adjusting the height of the upper support frame are connected to the lower support frame. The utility model solves the technical problem that the prefabricated bridge deck is difficult to level in the prior art by small-amplitude jacking of the jack between the lower support frame and the upper support frame. Compared with a large hoisting machine, the structure of the utility model has higher precision, and when the lifting heights of the jacks are regulated to be different, the regulation of different gradients of the prefabricated bridge deck can be realized, and the integral installation precision of the prefabricated bridge deck is improved.

Description

Mounting and adjusting device for assembled bridge deck

Technical Field

The utility model relates to the field of bridge construction, in particular to an assembly type bridge deck installation adjusting device.

Background

Along with the increase of the bridge demand for the large span, the problems of heavy structural weight, large earthquake response, later cracking of the web plate and the like of the traditional concrete box girder bridge are increasingly outstanding, and the demand for the construction of the large span bridge is gradually not met. Large-span bridges tend to choose structural forms with lighter dead weights and greater spanning capacities. Compared with the traditional concrete box girder bridge, the steel-concrete combined girder bridge has the advantages of small dead weight, light and attractive structure, short construction period, no interruption of urban road traffic and the like, and is increasingly applied.

But in the installation of the prefabricated bridge deck, after the bridge deck is hoisted to a set position, the leveling of the bridge deck is a key link, and the existing prefabricated bridge deck does not have the function of adjusting the gradient, so that the prefabricated bridge deck cannot be quickly and accurately leveled, and the complexity of the field operation procedure of the prefabricated bridge deck and the installation period of the prefabricated bridge deck are increased.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model provides an assembly type bridge deck installation and adjustment device, which solves the technical problem that the prefabricated bridge deck is difficult to level in the prior art.

The utility model relates to an assembled bridge deck installation adjusting device, which comprises a lower support frame and an upper support frame movably arranged on the lower support frame, wherein an ear plate for connecting a bridge deck to be installed is arranged on the upper support frame, two movable wheel sets are arranged at the bottom of the lower support frame, two height adjusting piece sets are arranged at the bottom of the lower support frame, and two supporting piece sets which support the upper support frame and are used for adjusting the height of the upper support frame are connected to the lower support frame.

The utility model further improves the assembly type bridge deck installation adjusting device, wherein the lower supporting frame comprises a plane frame and two vertical rod groups fixed at the bottom of the plane frame, and the two height adjusting piece groups and the two moving wheel groups are uniformly and correspondingly arranged on the two vertical rod groups.

The utility model further improves the assembly type bridge deck installation adjusting device in that the plane frame is rectangular with the width larger than the width of the bridge deck to be installed, and the two upright rod groups are respectively fixed at the two sides of the plane frame.

The utility model further improves the assembly type bridge deck installation adjusting device, wherein the two height adjusting piece groups are correspondingly arranged at the bottoms of the two upright rod groups one by one, and the two movable wheel groups are respectively connected with the two upright rod groups through two groups of supporting legs.

Each height adjusting piece group comprises at least one jacking screw rod, each vertical rod group comprises at least one vertical rod which is arranged in one-to-one correspondence with the at least one jacking screw rod, and the bottom of each vertical rod is provided with a threaded hole for the threaded connection of the jacking screw rods.

The utility model further improves the assembly type bridge deck installation adjusting device in that a guide rod is vertically fixed on the lower support frame, and a guide hole for the guide rod to pass through is formed on the upper support frame.

The assembled deck mounting adjustment of the present utility model is further improved in that each of the jacking members includes at least one jack therein.

The utility model relates to a device for adjusting the installation of a bridge deck, which is further improved in that each movable wheel group comprises at least one universal wheel.

Compared with the prior art, the utility model has positive and obvious effects. The utility model solves the technical problem that the prefabricated bridge deck is difficult to level in the prior art by small-amplitude jacking of the jack between the lower support frame and the upper support frame. Compared with a large hoisting machine, the structure of the utility model has higher precision, and when the lifting heights of the jacks are regulated to be different, the regulation of different gradients of the prefabricated bridge deck can be realized, and the integral installation precision of the prefabricated bridge deck is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic view showing the overall structure of the assembled bridge deck installation adjusting device of the present utility model.

Fig. 2 is an enlarged view of the upright position of the assembled deck mounting and adjusting device of the present utility model.

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.

As shown in fig. 1 and 2, the utility model provides an assembled bridge deck installation and adjustment device, which comprises a lower support frame 1 and an upper support frame 1 movably installed on the lower support frame 1, wherein an ear plate for connecting a bridge deck 3 to be installed is arranged on the upper support frame 1, two movable wheel sets are installed at the bottom of the lower support frame 1, two height adjusting member sets are installed at the bottom of the lower support frame 1, and two supporting member sets which are supported on the upper support frame 1 and used for adjusting the height of the upper support frame 1 are connected on the lower support frame 1. During the hoisting construction, the large hoisting equipment is adopted to hoist the bridge deck plate 3 to be installed to the approximate position, then the installation adjusting device is pushed to the approximate position and is reliably connected with the bridge deck plate 3 to be installed, and then the large hoisting equipment is loosened, and the device is adopted to accurately position and install the bridge deck plate 3 to be installed. In this embodiment, the upper support frame 1 and the lower support frame are made of i-steel. The installation and adjustment device reduces the hoisting time of large hoisting equipment, reduces the number of construction operators and the risk of high-altitude operation, has rapidness, is easier to control the adjustment precision, reduces the social road occupation for a long time and ensures the passing safety degree of social vehicles and personnel at the lower part of the bridge.

Preferably, the lower support frame 1 includes a planar frame 2 and two vertical rod groups fixed at the bottom of the planar frame 2, and two height adjusting member groups and two moving wheel groups are installed on the two vertical rod groups uniformly and correspondingly. In this embodiment, each vertical rod group includes two vertical rods 4, and each height adjusting member group includes two jacking screws 10, where the jacking screws 10 are installed in one-to-one correspondence with the vertical rods 4. The upright 4 and the plane frame 2 form an n-shaped supporting frame, the width of the plane frame 2 is larger than that of the bridge deck plate 3 to be installed, and the distance between the upright 4 opposite to the two sides of the plane frame 2 is larger than that of the bridge deck plate 3 to be installed. The haunching plate 5 prevents deformation and displacement between the upright 4 and the planar frame 2 and assists in transferring force.

Preferably, the plane frame 2 is rectangular with a width larger than that of the bridge deck 3 to be installed, and two upright rod assemblies are respectively fixed at two sides of the plane frame 2. The plane frame 2 is formed by fixing I-steel in a grid shape. The two vertical rod groups are symmetrically arranged, so that the plane frame body is balanced.

Preferably, the two height adjusting member sets are mounted at the bottoms of the two upright rod sets in a one-to-one correspondence manner, and the two movable wheel sets are respectively connected to the two upright rod sets through two sets of supporting legs. The supporting leg 7 extends out of the upright rod 4 relatively, the longitudinal section of the supporting leg 7 is in a right triangle shape, the shape can prevent the supporting leg 7 from deforming, one side right angle surface of the supporting leg 7 is fixed with the side surface of the upright rod 4, and the other side surface is fixedly provided for the movable wheel group 9.

Preferably, each height adjusting member group comprises at least one jacking screw rod 10, each vertical rod group comprises at least one vertical rod 4 which is arranged in one-to-one correspondence with the at least one jacking screw rod 10, and the bottom of each vertical rod 4 is provided with a threaded hole for the threaded connection of the jacking screw rods 10. The jacking screw 10 adopts an M48 (diameter is 48 mm) screw, and the jacking mode of the screw can be matched with a tool to finely adjust the height of the whole support frame, so that the installation accuracy of the bridge deck is improved. When the movable bridge deck is used, the pushing adjusting support is moved to the position of the bridge deck 3 to be installed, and the supporting frame is adjusted through the universal wheels 9, so that manual pushing is facilitated. After the adjusting support frame is pushed to a proper position, the jacking screw rod 10 is screwed on the threaded hole, and the height of the adjusting support frame body is supported by the jacking screw rod 10.

Preferably, a guide rod is vertically fixed on the lower support frame 1, and a guide hole for the guide rod to pass through is formed on the upper support frame 1. The cooperation of this guide bar 8 and guiding hole can avoid upper bracket 1 to take place fore-and-aft position to lead to waiting to install deck slab 3 mounted position inaccurately, and then influence the holistic installation accuracy of bridge floor. The guide hole is a kidney-shaped hole so that the guide rod 8 can have a certain transverse displacement space when the bridge deck to be installed is installed with a certain gradient.

Preferably, each of the jacking members includes at least one jack 6 therein. In this embodiment, a 16T-type high body 16 ton jack is used. The body height was 320mm. After the jack 6 is lifted up, the bridge deck 3 to be installed is adjusted to the position required by design, the jack 6 is lowered to enable the bridge deck to be in place, and the adjustment work is completed.

Preferably, each of the mobile wheelsets comprises at least one universal wheel 9. In the embodiment, the universal wheel 9 is a heavy universal wheel, the bearing standard of the heavy universal wheel is more than 200 kg, and the heavy universal wheel is suitable for large furniture, industrial equipment and other articles.

The utility model solves the technical problem that the prefabricated bridge deck is difficult to level in the prior art by small-amplitude jacking of the jack between the lower support frame and the upper support frame. Compared with a large hoisting machine, the structure of the utility model has higher precision, and when the lifting heights of the jacks are regulated to be different, the regulation of different gradients of the prefabricated bridge deck can be realized, and the integral installation precision of the prefabricated bridge deck is improved.

None of the utility models are related to the same or are capable of being practiced in the prior art. The present utility model is not limited to the above-mentioned embodiments, but is not limited to the above-mentioned embodiments, and any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical matters of the present utility model can be made by those skilled in the art without departing from the scope of the present utility model.

Claims (8)

1. The utility model provides an assembled bridge deck installation adjusting device, its characterized in that, including lower carriage and movable mounting in last support frame on the lower carriage, be equipped with the otic placode that is used for connecting the bridge deck of waiting to install on the upper support frame, two removal wheelsets are installed to lower carriage bottom, two altitude mixture control spare groups are installed to lower carriage bottom, be connected with the top support on the lower carriage and prop up the upper support frame and be used for adjusting two top support spare groups of upper support frame height.

2. The assembly bridge deck installation and adjustment device according to claim 1, wherein the lower support frame comprises a planar frame and two vertical rod groups fixed at the bottom of the planar frame, and the two height adjusting member groups and the two moving wheel groups are respectively and uniformly installed on the two vertical rod groups.

3. The assembly bridge deck installation and adjustment device according to claim 2, wherein the planar frame is rectangular with a width greater than the width of the bridge deck to be installed, and two of the upright components are respectively fixed to both side positions of the planar frame.

4. The assembly type deck installation and adjustment device according to claim 2, wherein the two height adjustment member groups are installed at the bottoms of the two upright groups in a one-to-one correspondence, and the two moving wheel groups are connected to the two upright groups through two sets of legs, respectively.

5. The assembly bridge deck installation and adjustment device according to claim 4, wherein each of the height adjustment member groups comprises at least one jacking screw, each of the upright rod groups comprises at least one upright rod arranged in one-to-one correspondence with the at least one jacking screw, and a threaded hole for the threaded connection of the jacking screws is formed in the bottom of each upright rod.

6. The assembly bridge deck installation and adjustment device according to claim 1, wherein the lower support frame is vertically fixed with a guide rod, and the upper support frame is provided with a guide hole through which the guide rod passes.

7. The modular bridge deck installation adjustment of claim 1, wherein each of the jacking members includes at least one jack therein.

8. The assembly bridge deck mount adjustment of claim 1, wherein each of said mobile wheelsets includes at least one universal wheel therein.