Movable temporary supporting device for bridge body

Abstract

The utility model provides a movable temporary supporting device for a bridge body, and belongs to the technical field of constructional engineering equipment. The movable temporary supporting device for the bridge body comprises a supporting main body, a lifting part and a detachable wheel assembly. The supporting body is used for supporting a bridge body and comprises a support, a supporting frame and a fixing plate which are sequentially arranged in the vertical direction. The supports abut against the bridge body, the supports can contract in the direction close to the supporting frame and break away from the bridge body, and the fixing plates are used for abutting against the ground when the supporting body supports the bridge body. The lifting part is connected with the supporting body and used for driving the supporting body to ascend and descend. The detachable wheel assembly is used for being arranged at the bottom of the supporting body when the supporting body is lifted and is in rolling connection with the ground so that the supporting body can be moved conveniently. The detachable wheel assembly is further used for withdrawing the bottom of the supporting body when the supporting body moves to the target position so that the supporting body can fall to the ground through the lifting part. The bridge supporting device can prevent the ground from being damaged when supporting the bridge body.

Description

TECHNICAL FIELD

[0001] The utility model relates to building engineering equipment technical field especially, relates to a movable bridge girder temporary support device. BACKGROUND

[0002] The bridge girder temporary support structure plays a vital role when the bridge superstructure is installed. It can effectively bear the construction load and provide a safe construction environment for the construction personnel. At the same time, there are many uncertain factors such as climate, geology, and materials that affect the construction process during the construction of the bridge superstructure. By setting the bridge girder temporary support structure, flexibility and adaptability are provided for bridge construction.

[0003] The existing bridge girder temporary support device includes a support main body, a support seat for abutting with the bridge girder is arranged at one end of the support main body, and a roller is arranged at the other end of the support main body. When the bridge girder needs to be supported, the support device is moved to the target position through the roller to support the bridge girder.

[0004] Since one end of the existing movable bridge girder temporary support device is provided with a roller, when the support seat at one end of the support device abuts against the bridge and supports the bridge girder, the roller at the other end abuts against the ground. Because the self-weight of the bridge girder is large, when the roller abuts against the ground, a large pressure is generated on the ground, which easily causes damage to the ground structure. SUMMARY

[0005] An object of the utility model is to solve the problem that the existing bridge girder temporary support device easily causes damage to the ground structure when supporting the bridge girder.

[0006] In particular, the embodiments of the present application provide a movable bridge girder temporary support device, which comprises:

[0007] A support main body is used for supporting the bridge girder and comprises a support seat, a support frame, and a fixed plate arranged in sequence in the vertical direction. The support seat abuts against the bridge girder. The support seat can be retracted towards the support frame and disengaged from the abutment with the bridge girder. The fixed plate is used for abutting against the ground when the support main body supports the bridge girder.

[0008] A lifting part is connected with the support main body and is used for driving the support main body to rise and fall.

[0009] A retractable wheel assembly is used for being placed at the bottom of the support main body when the support main body is lifted and is in rolling connection with the ground to move the support main body. The retractable wheel assembly is also used for being withdrawn from the bottom of the support main body when the support main body is moved to the target position, so that the lifting part lowers the support main body to the ground.

[0010] Further, the support frame comprises a plurality of support columns and a connecting rod fixed between two adjacent support columns.

[0011] Further, an extension is arranged on the support column at the outer circumferential side of the support frame, and the extension is used to abut against the lifting part when the lifting part drives the fixed plate to lift and lower.

[0012] Further, the extension is detachably connected with the support column.

[0013] Further, a reinforcing part is connected on two adjacent support columns among the plurality of support columns.

[0014] Further, the retractable wheel assembly comprises a plurality of pipe bodies.

[0015] Further, a traction part is connected with the support body to provide power for the movement of the mobile bridge girder temporary support device.

[0016] The mobile bridge girder temporary support device has the advantages that:

[0017] 1. The mobile bridge girder temporary support device has the advantages that: the fixed plate, the lifting part and the retractable wheel assembly are arranged, the fixed plate abuts against the ground when the support device supports the bridge girder, the contact area with the ground is increased, the pressure is reduced, and the ground is prevented from being damaged due to the excessive self-weight of the bridge girder when the support device supports the bridge girder.

[0018] 2. The support frame has more stable structure due to the arrangement of the support column and the connecting rod, and the safety of the support device during use is ensured.

[0019] 3. The contraction range of the support is adjusted by the outflow of the sand, and the adjustment is more accurate. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a front view of the mobile bridge girder temporary support device according to an embodiment of the utility model;

[0021] Figure 2 It is a top view of the mobile bridge girder temporary support device according to an embodiment of the utility model;

[0022] Figure 3 It is a side view of the support body and the lifting part according to an embodiment of the utility model;

[0023] Figure 4 It is a sectional view of the support according to an embodiment of the utility model.

[0024] Figure 5Figure 2 is a top view of the retractable wheel assembly mounted on the fixed plate according to an embodiment of the present application.

[0025] In the drawings:

[0026] 100 - mobile bridge girder temporary support device; 1 - support main body; 11 - support frame; 111 - support column; 112 - connecting rod; 12 - support base; 121 - cylinder; 122 - cylinder plug; 123 - open and close valve; 124 - sand; 13 - fixed plate; 2 - lifting part; 3 - retractable wheel assembly; 31 - first part; 32 - second part; 33 - roller; 34 - bolt; 4 - extension part; 5 - reinforcing part; 6 - traction part; 7 - traction rope; 8 - through hole. DETAILED DESCRIPTION

[0027] In order to make the above objectives, features and advantages of the present application more obvious and easy to understand, the specific embodiments of the present application will be described in detail below with reference to the drawings. It can be understood that the specific embodiments described herein are only used to explain the present application, but not to limit the present application. In addition, it should be noted that, in order to facilitate the description, only the parts related to the present application are shown in the drawings, and not all the structures. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0028] The terms "comprising" and "having" and any variations thereof in the present application are intended to cover non-exclusive inclusion. For example, a process, method, system, product or device including a series of steps or units is not limited to the listed steps or units, but optionally further includes steps or units not listed, or optionally further includes other steps or units inherent to these processes, methods, products or devices.

[0029] In this paper, the reference to "embodiments" means that the specific features, structures or characteristics described in conjunction with the embodiments can be included in at least one embodiment of the present application. The phrase appears at various places in the specification does not necessarily refer to the same embodiment, nor is it mutually exclusive or alternative to other embodiments. Those skilled in the art explicitly and implicitly understand that the embodiments described herein can be combined with other embodiments.

[0030] Please refer to Figure 1The mobile bridge girder temporary supporting device 100 comprises a supporting main body 1, a lifting part 2 and a removable wheel assembly 3.

[0031] The mobile bridge girder temporary supporting device 100 of the utility model, through setting fixed plate 13, lifting part 2 and removable wheel assembly 3, when the supporting device supports bridge girder, fixed plate 13 is in contact with the ground, increase the contact area of the supporting device and the ground, reduce the pressure, avoid the ground being destroyed when the supporting device supports bridge girder due to the excessive weight of bridge girder.

[0032] Regarding the structure of the support frame 11, in one embodiment, the support frame 11 comprises one or more support columns 111 and a diagonal support rod (not shown) fixed at one end of the side surface of the support column 111 and at the other end of the fixed plate 13, which is used to ensure the stability of the support column 111 in the vertical direction. Figure 1 、 Figure 2 and Figure 3 In another embodiment, please refer to

[0033] Regarding the connection mode of the lifting part 2 and the supporting main body 1. Please refer to Figure 2 and Figure 3In one embodiment, the extension 4 is arranged on the support column 111 at the outer circumferential side of the support frame 11, and the lifting part 2 is connected with the extension 4. During the lifting process, the support frame 11 is lifted as a whole by driving the extension 4. By arranging the extension 4 on the support column 111 and connecting the lifting part 2 with the extension 4, the stability of the fixed plate 13 when abutting against the ground after falling to the ground is avoided to be affected by the existence of the lifting part 2 when the lifting part 2 is connected with the fixed plate 13.

[0034] The connection between the extension 4 and the support column 111 can be achieved in various ways. In one embodiment, the extension 4 is fixed on the support column 111 by means of a hoop. In another embodiment, the extension 4 and the support column 111 can also be connected by means of a bolt.

[0035] In one embodiment, please refer to Figure 1 and Figure 3 , a reinforcing part 5 is connected on two adjacent support columns 111 among the plurality of support columns 111. By arranging a plurality of reinforcing parts 5, the stability of the support frame 11 is ensured, and the safety of the support device during use is ensured.

[0036] In one embodiment, the extension 4 and the support column 111 are detachably connected. When a plurality of support bodies 1 need to be lifted, the same extension 4 and lifting part 2 can be used to lift different support bodies 1, thereby reducing the production cost.

[0037] Regarding the form of the retractable wheel assembly 3, in one embodiment, it can be a whole or scattered arrangement of rolling components temporarily placed at the bottom of the fixed plate 13, as shown in Figure 1 , the rolling component is a plurality of steel pipes or a shelf with a plurality of rotatable steel pipes. In another embodiment, as shown in Figure 5 , a plurality of through holes 8 penetrating through the thickness direction of the fixed plate 13 are arranged on the fixed plate 13. The retractable wheel assembly 3 includes a first part 31 connected to the fixed plate 13 and a second part 32 connected with the first part 31, and the second part 32 is rotatable relative to the first part 31. A roller 33 is arranged at the end of the second part 32 away from the first part 31. The end of the first part 31 and the second part 32 is provided with corresponding connecting holes, and the connecting holes are provided with internal threads. A bolt 34 is arranged in the connecting hole. After the lifting part 2 lifts the support body 1, the bolt 34 is loosened, the angle of the second part 32 relative to the first part 31 is adjusted, the roller 33 is brought into contact with the ground or the roller 33 is limited in the through hole, and then the bolt 34 is tightened to fix the angle of the second part 32 relative to the first part 31.

[0038] The movable bridge girder temporary supporting device 100 further comprises a traction part 6, the traction part 6 is connected with the supporting main body 1, and power is provided for the movement of the movable bridge girder temporary supporting device 100. Figure 1 As shown in the figure, the traction part 6 is connected on the fixed plate 13 through a traction rope 7, and the supporting device is moved under the traction of the traction part 6, so that the convenience of the supporting device of the utility model during use is improved.

[0039] For the form of the support 12 of the utility model, please refer to Figure 4 In an embodiment, the support 12 comprises a cylinder body 121 and a cylinder plug 122 partially arranged in the cylinder body 121. A through hole with an opening and closing valve 123 is arranged at the bottom of the cylinder body 121. The cylinder body 121 is filled with sand 124, and the cylinder plug 122 is seated on the sand 124 and abuts against the bridge girder. When it is needed to move the support 12 towards the supporting frame 11, the opening and closing valve 123 is opened, the sand 124 in the cylinder body 121 flows out from the through hole, the cylinder plug 122 seated on the sand 124 falls in the cylinder body 121 along with the flowing out of the sand 124, and the cylinder plug 122 is separated from the abutment with the bridge girder. The contraction range of the support 12 is adjusted by the flowing out of the sand 124, so that the adjustment is more accurate.

[0040] The above-mentioned embodiments only express several implementation manners of the utility model, the description is more specific and detailed, but it cannot be understood as the limitation of the scope of the utility model patent. It should be pointed out that, for ordinary skilled persons in the art, several deformations and improvements can be made without departing from the concept of the utility model, and these all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent should be subject to the appended claims.

Claims

1. A mobile temporary bridge deck support apparatus, characterized by, The utility model relates to a movable bridge girder temporary supporting device, including: a support main body for supporting a bridge girder, comprising a support, a support frame and a fixing plate arranged in sequence in the vertical direction, the support abuts against the bridge girder, the support can be contracted to the direction close to the support frame and abut against the bridge girder, the fixing plate is used for abutting against the ground when the support main body supports the bridge girder; a lifting part connected with the support main body for driving the support main body to lift; a retractable wheel assembly for being placed at the bottom of the support main body when the support main body lifts and forming rolling connection with the ground to move the support main body, the retractable wheel assembly is also used for being withdrawn from the bottom of the support main body when the support main body moves to the target position so that the lifting part drops the support main body to the ground.

2. The mobile bridge beam temporary support device of claim 1, wherein, The support frame comprises a plurality of support columns and a connecting rod fixed between two adjacent support columns.

3. The mobile bridge beam temporary support device of claim 2, wherein, An extension part is arranged on the support column at the outer circumferential side of the support frame, and the extension part is used for abutting against the lifting part when the lifting part drives the fixing plate to lift.

4. The mobile bridge beam temporary support device of claim 3, wherein, The extension part is detachably connected with the support column.

5. The mobile bridge beam temporary support device of claim 2, wherein, A reinforcing part is connected on two adjacent support columns in the plurality of support columns.

6. The mobile bridge beam temporary support device of claim 1, wherein, The retractable wheel assembly comprises a plurality of tubes.

7. The mobile bridge beam temporary support apparatus according to any one of claims 1 to 6, characterized in that, A traction part is also included, which is connected with the support main body to provide power for the movement of the movable bridge girder temporary supporting device.

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