Door-shaped assembly type reinforced concrete box culvert jacking structure

Abstract

The utility model discloses a door-shaped assembly type reinforced concrete box culvert jacking structure which comprises a door-shaped box culvert and a bottom plate, two parallel jacking sliding grooves are formed in the top face of the bottom plate, grooves are formed in the bottom faces of the jacking sliding grooves, sliding plates are arranged at the bottom ends of two side plates of the door-shaped box culvert respectively, and the sliding plates are arranged in the grooves. The sliding plate is slidably installed in the jacking sliding groove, sliding blocks are arranged on the two sides of the sliding plate, a mortar pouring cavity is formed between the inner wall of the jacking sliding groove and a side plate of the door-shaped box culvert, and a plurality of mortar circulation holes are formed in the two sides of the sliding plate. According to the portal box culvert jacking device, the jacking precision of the portal box culverts can be improved, movement deviation of the portal box culverts in the jacking process can be avoided, and therefore the construction precision of the whole box culvert can be guaranteed; the fixed connection between the door-shaped box culvert and the bottom plate can be realized, and the stability of the connection between the door-shaped box culvert and the bottom plate can be enhanced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to box culvert jacking construction technical field, concretely relates to a door shape assembly type reinforced concrete box culvert jacking structure. BACKGROUND

[0002] In door shape assembly type reinforced concrete box culvert jacking construction, the door shape box culvert and the bottom plate need to fill talc or other some friction reducing medium, but after filling medium, it is easy to influence the flatness of the bottom plate, influence the jacking accuracy of door shape box culvert, in addition, if the thrust distribution of multiple jacks is uneven, it is easy to cause the door shape box culvert to appear deviation in jacking process, influence the construction accuracy of whole box culvert, and, the door shape box culvert jacking process is big, and the noise is big, therefore, a door shape assembly type reinforced concrete box culvert jacking structure should be proposed. CONTENT OF UTILITY MODEL

[0003] The utility model is directed to the deficiency in the prior art, and provides a door shape assembly type reinforced concrete box culvert jacking structure, which is simple in structure and reasonable in design, can improve the jacking accuracy of the door shape box culvert under the positioning and guiding effect of the sliding plate and the sliding block, can avoid deviation of the door shape box culvert in the jacking process, and thus can ensure the construction accuracy of the whole box culvert, and after the multiple door shape box culverts of the box culvert are jacked into place, the mortar is injected into the mortar pouring cavity, the mortar in the mortar pouring cavity flows into the groove through the multiple mortar flow-through holes and the mortar flow-through gaps, and after the mortar solidifies, the door shape box culvert and the bottom plate can be fixedly connected, and the stability of the connection between the door shape box culvert and the bottom plate can be improved.

[0004] To solve the above technical problems, the utility model adopts the technical scheme of a door shape assembly type reinforced concrete box culvert jacking structure, characterized by comprising a door shape box culvert and a bottom plate arranged below the door shape box culvert, two parallel jacking sliding grooves are formed in the top surface of the bottom plate, a groove is formed in the bottom surface of the jacking sliding groove, sliding plates are arranged at the bottom ends of the two side plates of the door shape box culvert, the sliding plates are slidingly installed in the jacking sliding grooves, sliding blocks are arranged on the two sides of the sliding plates and slidingly fit with the inner walls of the jacking sliding grooves, a mortar pouring cavity is formed between the inner walls of the jacking sliding grooves and the side plates of the door shape box culvert, multiple mortar flow-through holes are formed in the two sides of the sliding plates, the bottom surfaces of the sliding blocks are in close contact with the bottom surfaces of the jacking sliding grooves, a mortar flow-through gap is formed between the bottom surfaces of the sliding plates and the bottom surfaces of the jacking sliding grooves, multiple damping shock absorbers are fixedly installed on the bottom surfaces of the sliding plates, and the bottom portions of the damping shock absorbers are in contact with the bottom surfaces of the grooves.

[0005] The door-shaped assembled reinforced concrete box culvert jacking structure has the following advantages compared with the prior art.

[0006] The door-shaped assembled reinforced concrete box culvert jacking structure has the following advantages compared with the prior art.

[0007] Compared with the prior art, the utility model has the following advantages:

[0008] 1、 the utility model discloses a top surface of bottom plate is equipped with two parallelly -arranged jacking chute, and is equipped with recess on the bottom surface of jacking chute, and jacking chute and recess jointly form a stepped cavity structure, and the bottom end of two side plates of door-shaped box culvert is provided with slide plate respectively, both sides of slide plate are all provided with sliding block, and when installing, the slide plate of two side plates of door-shaped box culvert is slidably installed in two jacking chute respectively, and two sliding blocks are slidably connected with the inner wall of two sides of jacking chute respectively, when jacking is implemented on the end face of door-shaped box culvert by utilizing a plurality of jacking oil cylinders, under the positioning and guiding effect of slide plate and sliding block, the jacking precision of door-shaped box culvert can be improved, and the moving deviation of door-shaped box culvert in the jacking process can be avoided, thereby the construction precision of entire box culvert can be guaranteed.

[0009] 2、 the inner wall of jacking chute and the side plate of door-shaped box culvert form a mortar pouring cavity, a plurality of mortar flow holes are formed in both sides of slide plate, the bottom surface of sliding block is tightly attached to the bottom surface of jacking chute, and the bottom surface of slide plate and the bottom surface of jacking chute have a mortar flow gap, when a plurality of door-shaped box culverts of box culvert are jacked in place, mortar can be injected into the mortar pouring cavity, and the mortar in the mortar pouring cavity flows into the recess through a plurality of mortar flow holes and mortar flow gaps, after the mortar solidifies, the fixed connection between door-shaped box culvert and bottom plate can be realized, and the stability of the connection between door-shaped box culvert and bottom plate can be improved.

[0010] 3、 the utility model discloses a plurality of damping shock absorbers are fixedly installed on the bottom surface of slide plate, and the bottom of damping shock absorber is in contact with the bottom surface of recess, in the process of jacking door-shaped box culvert, a plurality of damping shock absorbers can reduce vibration, and after pouring mortar, a plurality of damping shock absorbers are fixed in the mortar.

[0011] 4、 the utility model discloses simple structure, reasonable in design, and convenient construction is convenient for popularization and application.

[0012] In conclusion, the utility model discloses simple structure, reasonable in design can improve the jacking precision of portal box culvert under the positioning and guiding effect of sliding plate and sliding block, can avoid the deviation of portal box culvert during jacking, thereby can guarantee the construction precision of whole box culvert, when the multiple portal box culverts of box culvert are all jacked in place, by injecting mortar into mortar pouring cavity, the mortar in mortar pouring cavity is circulated to the recess through multiple mortar circulation holes and mortar circulation gaps, after the solidification of mortar, the fixed connection between portal box culvert and bottom plate can be realized, and the stability of the connection between portal box culvert and bottom plate can be strengthened.

[0013] The utility model will be described in further detail below by means of drawings and examples. DRAWINGS

[0014] Figure 1 It is the structure schematic diagram of the utility model.

[0015] Figure 2 It is the A place enlarged view of Figure 1

[0016] Mark explanation:

[0017] 1-portal box culvert;2-bottom plate;2-1-jacking chute;

[0018] 2-2-groove;3-sliding plate;3-1-sliding block;

[0019] 3-2-mortar circulation hole;4-damping shock absorber. PREFERRED EMBODIMENT

[0020] As shown in Figure 1 and Figure 2 , the utility model discloses portal box culvert 1 and the bottom plate 2 set below portal box culvert 1, the top surface of bottom plate 2 is equipped with two parallel top-in slide grooves 2-1, the bottom surface of top-in slide groove 2-1 is equipped with groove 2-2, the bottom end of the two side plates of portal box culvert 1 is provided with sliding plate 3 respectively, sliding plate 3 is slidably installed in top-in slide groove 2-1, the two sides of sliding plate 3 are provided with sliding block 3-1 and the inner wall of top-in slide groove 2-1 slidably cooperates, the inner wall of top-in slide groove 2-1 and the side plate of portal box culvert 1 form a mortar pouring cavity, the two sides of sliding plate 3 are equipped with multiple mortar circulation holes 3-2, the bottom surface of sliding block 3-1 is closely attached to the bottom surface of top-in slide groove 2-1, the bottom surface of sliding plate 3 and the bottom surface of top-in slide groove 2-1 have a mortar circulation gap, the bottom surface of sliding plate 3 is fixedly installed with multiple damping shock absorbers 4, and the bottom of damping shock absorber 4 is in contact with the bottom surface of groove 2-2.

[0021] ​In the embodiment, two parallel top-in sliding grooves 2-1 are formed on the top surface of the bottom plate 2, and grooves 2-2 are formed on the bottom surface of the top-in sliding grooves 2-1, the top-in sliding grooves 2-1 and the grooves 2-2 jointly form a stepped cavity structure, sliding plates 3 are arranged at the bottom ends of the two side plates of the portal box culvert 1, sliding blocks 3-1 are arranged on the two sides of the sliding plates 3, in actual installation, the sliding plates 3 of the two side plates of the portal box culvert 1 are respectively slidably installed in the two top-in sliding grooves 2-1, the two sliding blocks 3-1 are respectively slidably connected with the inner walls of the two top-in sliding grooves 2-1, when the portal box culvert 1 is jacked up by using multiple jacking oil cylinders on the end surface of the portal box culvert 1, the jacking precision of the portal box culvert 1 can be improved under the positioning and guiding of the sliding plates 3 and the sliding blocks 3-1, the portal box culvert 1 can avoid moving deviation in the jacking process, and thus the construction precision of the entire box culvert can be ensured.

[0022] In the embodiment, a mortar pouring cavity is formed between the inner wall of the top-in sliding groove 2-1 and the side plate of the portal box culvert 1, multiple mortar flow-through holes 3-2 are formed on the two sides of the sliding plate 3, the bottom surface of the sliding block 3-1 is tightly attached to the bottom surface of the top-in sliding groove 2-1, and a mortar flow-through gap is formed between the bottom surface of the sliding plate 3 and the bottom surface of the top-in sliding groove 2-1, in actual use, after multiple portal box culverts 1 of the box culvert are jacked up in place, mortar can be injected into the mortar pouring cavity, the mortar in the mortar pouring cavity flows into the groove 2-2 through the multiple mortar flow-through holes 3-2 and the mortar flow-through gap, and after the mortar solidifies, the portal box culvert 1 and the bottom plate 2 can be fixedly connected, and the stability of the connection between the portal box culvert 1 and the bottom plate 2 can be improved.

[0023] In the embodiment, multiple damping shock absorbers 4 are fixedly installed on the bottom surface of the sliding plate 3, the bottom of the damping shock absorber 4 is in contact with the bottom surface of the groove 2-2, in actual use, in the jacking process of the portal box culvert 1, the multiple damping shock absorbers 4 can reduce vibration, and after the mortar is poured, the multiple damping shock absorbers 4 are fixedly arranged in the mortar.

[0024] In the embodiment, the depth of the groove 2-2 is 60cm-100cm.

[0025] In the embodiment, the diameter of the mortar flow-through hole 3-2 is 15cm-20cm, and the height of the mortar flow-through gap is 10cm-15cm.

[0026] As Figure 1 and Figure 2As shown, in actual use, first, the door-shaped box culvert 1 is hoisted onto the bottom plate 2, the two sliding plates 3 at the bottom ends of the two side plates of the door-shaped box culvert 1 are respectively located in the jacking sliding grooves 2-1, the two sliding blocks 3-1 are respectively matched with the two inner walls of the jacking sliding grooves 2-1, and the plurality of damping shock absorbers 4 are located in the grooves 2-2; secondly, the plurality of jacking oil cylinders are started, and the door-shaped box culvert 1 is jacked on the end face of the door-shaped box culvert 1; finally, after the plurality of door-shaped box culverts 1 of the box-type culvert are jacked into place, mortar is injected into the mortar pouring cavity, and after the mortar is solidified, the fixed connection between the door-shaped box culvert 1 and the bottom plate 2 is realized.

[0027] The above is only a preferred embodiment of the present application, and does not limit the present application in any way. Any simple modification, change, and equivalent structural change of the above embodiment according to the technical essence of the present application still belongs to the protection scope of the technical scheme of the present application.

Claims

1. A portal assembled reinforced concrete box culvert jacking structure, characterized in that: The utility model provides a top entry box culvert, including door shape box culvert (1) and the bottom plate (2) of setting in door shape box culvert (1) below, the top surface of bottom plate (2) is equipped with two parallel top entry slide groove (2-1) that set up, the bottom surface of top entry slide groove (2-1) is equipped with recess (2-2), and the bottom end of two side plates of door shape box culvert (1) is equipped with slide plate (3) respectively, slide plate (3) slidingly installs in top entry slide groove (2-1), and both sides of slide plate (3) are equipped with with the sliding block (3-1) of top entry slide groove (2-1) inner wall sliding cooperation, and the inner wall of top entry slide groove (2-1) and the side plate of door shape box culvert (1) form a mortar pouring cavity, and both sides of slide plate (3) are equipped with a plurality of mortar flow through hole (3-2), the bottom surface of sliding block (3-1) is close to the bottom surface of top entry slide groove (2-1), and the bottom surface of slide plate (3) and the bottom surface of top entry slide groove (2-1) have a mortar flow through gap, and the bottom surface of slide plate (3) is fixedly installed with a plurality of damping shock absorber (4), and the bottom of damping shock absorber (4) and the bottom surface of recess (2-2) contact.

2. A jacking structure of a door-shaped assembled reinforced concrete box culvert according to claim 1, characterized in that: The depth of the recess (2-2) is 60cm-100cm.

3. A jacking structure of a door-shaped assembled reinforced concrete box culvert according to claim 1, characterized in that: The diameter of the mortar flow through hole (3-2) is 15cm-20cm, and the height of the mortar flow through gap is 10cm-15cm.

Images