CN211340440U - Walking type pushing temporary pier top supporting system - Google Patents

Walking type pushing temporary pier top supporting system Download PDF

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Publication number
CN211340440U
CN211340440U CN201921779657.7U CN201921779657U CN211340440U CN 211340440 U CN211340440 U CN 211340440U CN 201921779657 U CN201921779657 U CN 201921779657U CN 211340440 U CN211340440 U CN 211340440U
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China
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support system
longitudinal
pier top
temporary pier
supporting
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CN201921779657.7U
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Chinese (zh)
Inventor
邓成宏
吴治勐
吴国清
闫名成
李路哲
李伟
彭斌
耿维
肖代文
金鑫
齐子康
张旭涛
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China Railway No 8 Engineering Group Co Ltd
Kunming Railway Construction Co of China Railway No 8 Engineering Group Co Ltd
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China Railway No 8 Engineering Group Co Ltd
Kunming Railway Construction Co of China Railway No 8 Engineering Group Co Ltd
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Abstract

The utility model discloses a temporary pier top supporting system for walking type pushing, which comprises a cross beam, a longitudinal beam and a stand column; the cross beams and the longitudinal beams are arranged on the steel pipe pile at the top of the temporary pier in a crossed and superposed mode, one of the cross beams and the longitudinal beams is used for supporting pushing equipment, a plurality of stand columns which are mutually connected through connecting systems are vertically arranged on the other of the cross beams and the longitudinal beams, supporting systems are further arranged between different cross beams or longitudinal beams, and one ends of the supporting systems are connected to the stand columns. In the utility model, the stability of the pier top steel pipe pile system can be enhanced through the matching of the cross beam and the longitudinal beam; by adopting the tubular section upright post, the bearing capacity requirement can be met, and the convenience in cutting and dismantling of the temporary pier can be ensured after the beam body is pushed in place later; the inclined support can improve the stability of the support system and overcome the horizontal force generated when the beam body is pushed for construction.

Description

Walking type pushing temporary pier top supporting system
Technical Field
The utility model relates to a bridge construction technical field especially relates to a walking pushes away uses interim pier top support system.
Background
The walking pushing process is widely applied to erection and installation of a large-span steel box girder or a concrete girder. Temporary piers are required to be arranged in the pushing construction, namely temporary piers are used for structure stress and safe erection during bridge construction to perform temporary support so as to reduce the pushing span. The supporting system of the temporary pier top is an important structure which ensures stable beam falling and convenient frame unloading, and is a precondition for realizing walking type translation advancing of a beam body by the walking type pushing device. The jack equipment jacks up the beam body, unloads jacking force when sliding forward to a stroke, the beam body falls on the temporary pier top support system, and the jack resets, so that the operation is repeated in a circulating mode, and the beam body is pushed to a designed position.
The pier top supporting system bears the gravity of the beam body, then the force is transmitted to the distribution beam, the pressure borne by the temporary pier top is uniformly distributed to the lower steel pipe pile foundation by the distribution beam, and finally the pressure is transmitted to the foundation or the soil layer. At present, the common method of the temporary pier top supporting system is to use three-spliced I-shaped steel or H-shaped steel to be superposed into a stand column or pour a reinforced concrete stand column, the two methods are complex in construction, and the supporting system is difficult to dismantle when a later-stage beam body falls and unloads.
SUMMERY OF THE UTILITY MODEL
The utility model provides a temporary pier top supporting system for walking type pushing, aiming at the problems, the stability of a pier top steel pipe pile system can be enhanced through the matching of a cross beam and a longitudinal beam; by adopting the tubular section upright post, the bearing capacity requirement can be met, and the convenience in cutting and dismantling of the temporary pier can be ensured after the beam body is pushed in place later; the inclined support can improve the stability of the support system and overcome the horizontal force generated when the beam body is pushed for construction. On the whole, the utility model discloses under the requirement of satisfying the bearing capacity, simplify the complexity of support system by a wide margin for system installation progress is accelerated, save material, and the later stage also changes in the dismantlement.
The utility model adopts the technical scheme as follows:
a temporary pier top supporting system for walking type pushing comprises a cross beam, a longitudinal beam and a vertical column; the cross beams and the longitudinal beams are arranged on the steel pipe pile at the top of the temporary pier in a crossed and superposed mode, one of the cross beams and the longitudinal beams is used for supporting pushing equipment, a plurality of stand columns which are mutually connected through connecting systems are vertically arranged on the other of the cross beams and the longitudinal beams, supporting systems are further arranged between different cross beams or longitudinal beams, and one ends of the supporting systems are connected to the stand columns.
Furthermore, the cross beam is fixedly arranged on the steel pipe pile, and the longitudinal beam is erected in the middle of the cross beam along the longitudinal bridge direction and is positioned right below the bridge for supporting pushing equipment.
Furthermore, the reinforcing plate is arranged at the position of the supporting and pushing device on the longitudinal beam, so that the longitudinal beam is prevented from being overloaded to cause bending damage.
Furthermore, the upright post is vertically arranged on a certain cross beam, one end of the support system is connected to the upright post, and the other end of the support system is connected to other cross beams; on one hand, the stability of the upright post can be enhanced, the rigidity of the whole supporting system is improved, and on the other hand, the horizontal force generated when the beam body is pushed for construction can be overcome;
furthermore, at least one of the cross beams is provided with a stand column, and the stand columns on the cross beam provided with the stand columns are arranged in parallel;
furthermore, the support system comprises an oblique support rod, and when more than one oblique support rod is provided, the oblique support rods are connected with each other through a transverse support rod in a reinforced mode.
Furthermore, the top and the bottom of the upright post are both provided with an end steel plate and a stiffening plate.
Further, when the beam body is pushed to the designed position, the situation that the actual elevation of the beam body is far lower than the designed elevation of the beam body possibly exists, and at the moment, the prefabricated box type cushion block can be arranged at the top end of the upright post and used for temporary cushion reading.
Furthermore, the upright post is made of a thick-wall seamless steel pipe, so that the bearing capacity of the upright post with the tubular section can be guaranteed, and the upright post with the tubular section is convenient to cut and remove in the later period.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
(1) the pier top supporting system is simple to manufacture, saves materials, can effectively shorten the installation and manufacturing time, and ensures the construction period;
(2) adopt the tubular cross section stand can satisfy the bearing capacity requirement, can guarantee again that the later stage roof beam body pushes away and conveniently cuts and demolish interim mound after targetting in place, practices thrift the labour.
Drawings
The invention will now be described, by way of example, with reference to the accompanying drawings, in which:
fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a right side view of fig. 1.
Description of reference numerals:
1-upright column, 2-steel pipe pile, 3-cross beam, 4-longitudinal beam, 5-end steel plate, 6-stiffening plate, 7-oblique support, 8-steel pipe pile and 9-prefabricated box-shaped cushion block.
Detailed Description
All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.
Any feature disclosed in this specification may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.
The utility model relates to a walking pushes away uses interim pier top support system, under the requirement that satisfies the bearing capacity, simplifies the complexity of support system by a wide margin for system installation progress is accelerated, save material, and the later stage is also changed in the dismantlement. Specifically, the supporting system comprises a vertical column 1, a connecting system 2, a cross beam 3, a longitudinal beam 4 for supporting and pushing equipment, end steel plates 5 and stiffening plates 6 at the top and the bottom of the vertical column 1, and an oblique supporting rod 7.
And inserting and driving the steel pipe pile 8 as a temporary pier according to requirements, and jacking two pile top cross beams 3 on the steel pipe pile 8 after the design elevation is reached. The positions of the two stand columns 1 are released through measurement and positioning, blanking is carried out on site through calculation of elevation, end steel plates 5 and stiffening plates 6 are welded to the tops and the bottoms of the stand columns 1 after blanking is completed, the end steel plates 5 play a role in secondary stress distribution, and the stiffening plates 6 play a role in rigidity reinforcement. A column system consisting of columns 1, end steel plates 5 and stiffening plates 6 is placed at a designed position, and the end steel plates 5 at the bottom of the column system and a pile top beam 3 are fixed in a full-welding mode. The two upright post systems are connected with each other through the connecting system 2 and connected with the cross beam 3 through the inclined support rod 7, so that the rigidity and stability of the whole pier top supporting system are ensured, and the horizontal force generated during pushing is overcome.
A longitudinal beam 4 for supporting and pushing equipment is arranged at the designed position of the cross beam 3, and a jack for pushing is arranged on the longitudinal beam 4.
When the beam body is pushed to the designed position, the actual elevation of the beam body is possibly far lower than the designed elevation of the beam body, and the prefabricated box-shaped cushion block 9 can be used for temporary cushion copying; if the elevation drop is smaller, a steel plate or I-shaped steel or other materials can be adopted for padding according to the situation.
The utility model discloses in, stand 1 and steel-pipe pile 8 can adopt seamless steel pipe, and connection system 2 and diagonal bracing piece 7 can adopt the channel-section steel, and crossbeam 3 can adopt three pieces together I-steel, and longeron 4 can adopt four pieces together I-steel, and end steel sheet 5, stiffening plate 6 and prefabricated box-shaped cushion 9 can adopt the thickening steel sheet.
In the utility model, the stability of the pier top steel pipe pile system can be enhanced through the matching of the cross beam and the longitudinal beam; the vertical columns are matched with the transverse and longitudinal beams, so that a traditional box body supporting system can be replaced, the bearing capacity requirement can be met, and the temporary piers can be conveniently cut and detached after the beam body is pushed in place at the later stage; the inclined support can improve the stability of the support system and overcome the horizontal force generated when the beam body is pushed for construction.
Example 1:
the embodiment specifically relates to a temporary pier top supporting system for walking type pushing, which comprises a cross beam 3, a longitudinal beam 4 and a vertical column 1. The temporary pier top is provided with four steel pipe piles 8, in the supporting system, two cross beams 3 are fixedly arranged on the steel pipe piles 8 in parallel, a longitudinal beam 4 is erected at the middle position of the two cross beams 3 along the longitudinal bridge direction, and the longitudinal beam 4 is located right below the bridge and used for supporting and pushing equipment. Moreover, the reinforcing plate is arranged at the position of the supporting and pushing device on the longitudinal beam 4, so that the longitudinal beam 4 is prevented from being overloaded to cause bending damage.
Two parallel upright columns 1 are arranged on one of the two cross beams 3 close to the non-construction section, and the two upright columns 1 are connected with each other through a connecting system 2; two parallel oblique supporting rods 7 are arranged on the other cross beam 3, and the other ends of the oblique supporting rods 7 are connected to the upper parts of the stand columns. Therefore, the oblique upward direction of the oblique support rod 7 is consistent with the pushing direction of the beam body, so that the stability of the upright post 1 can be enhanced, the rigidity of the whole support system can be improved, and the horizontal force generated during beam body pushing construction can be overcome.
The upright column 1 is made of a thick-wall seamless steel pipe, and the tubular section upright column can ensure the bearing capacity and is convenient to cut and remove in the later period. The top and the bottom of the upright post 1 are both provided with end steel plates 5 and stiffening plates 6 so as to enhance the bearing capacity of the upright post 1.
Example 2:
the embodiment specifically relates to a temporary pier top supporting system for walking type pushing, which comprises a cross beam 3, a longitudinal beam 4 and a vertical column 1. The temporary pier top is provided with four steel pipe piles 8, in the supporting system, two cross beams 3 are fixedly arranged on the steel pipe piles 8 in parallel, a longitudinal beam 4 is erected at the middle position of the two cross beams 3 along the longitudinal bridge direction, and the longitudinal beam 4 is located right below the bridge and used for supporting and pushing equipment. Moreover, the reinforcing plate is arranged at the position of the supporting and pushing device on the longitudinal beam 4, so that the longitudinal beam 4 is prevented from being overloaded to cause bending damage.
Two parallel upright columns 1 are arranged on one of the two cross beams 3 close to the non-construction section, and the two upright columns 1 are connected with each other through a connecting system 2; two parallel oblique supporting rods 7 are arranged on the other cross beam 3, and the other ends of the oblique supporting rods 7 are connected to the upper parts of the upright posts 1. The oblique upward direction of the oblique supporting rod 7 is consistent with the pushing direction of the beam body, so that the stability of the upright post 1 can be enhanced, the rigidity of the whole supporting system is improved, and the horizontal force generated during beam body pushing construction can be overcome. A transverse supporting rod is further arranged between the two oblique supporting rods 7, so that the vertical column is prevented from being bent horizontally due to overlarge horizontal tension when the vertical column is subjected to unstable gravity of the beam body.
The stand 1 adopts the preparation of thickening I-steel, its flange board and 7 fixed connection of diagonal bracing piece to all be equipped with end steel sheet 5 and stiffening plate 6 at the top of stand 1 and bottom, the stand 1 of this kind of structure is as the replacement of embodiment 1 middle wall seamless steel pipe, can guarantee its bearing capacity equally, makes things convenient for the cutting in later stage again to demolish.
Example 3:
the embodiment specifically relates to a temporary pier top supporting system for walking type pushing, which comprises a cross beam 3, a longitudinal beam 4 and a vertical column 1. Two steel-pipe pile 8 on this interim pier top, six altogether, set up to parallel along the longitudinal bridge, in this braced system, three crossbeams 3 set firmly on steel-pipe pile 8 parallel to each other, and a longeron 4 sets up the intermediate position on two crossbeams 3 along the longitudinal bridge to, and longeron 4 is located the bridge under for support top pushes away equipment. Moreover, the reinforcing plate is arranged at the position of the supporting and pushing device on the longitudinal beam 4, so that the longitudinal beam 4 is prevented from being overloaded to cause bending damage.
Two parallel upright posts 1 are arranged on one cross beam 3 positioned in the middle of the three cross beams 3, and the two upright posts 1 are connected with each other through a connecting system 2; two oblique supporting rods 7 are arranged at the upper part of each upright post 1 and are respectively connected with the other two cross beams 3, and the two oblique supporting rods 7 respectively provide pulling force or supporting force for the upright posts 1 along and against the pushing direction of the beam body, so that the horizontal force generated during beam body pushing construction can be better overcome.
The upright column 1 is made of a thick-wall seamless steel pipe, and the tubular section upright column 1 can ensure the bearing capacity and is convenient to cut and remove in the later period. The top and the bottom of the upright post 1 are provided with end steel plates 5 and stiffening plates 6 to enhance the bearing capacity of the upright post.
Example 4:
the embodiment specifically relates to a temporary pier top supporting system for walking type pushing, which comprises a cross beam 3, a longitudinal beam 4 and a vertical column 1. The temporary pier top is provided with four steel pipe piles 8, in the supporting system, two cross beams 3 are fixedly arranged on the steel pipe piles 8 in parallel, a longitudinal beam 4 is erected at the middle position of the two cross beams 3 along the longitudinal bridge direction, and the longitudinal beam 4 is located right below the bridge and used for supporting and pushing equipment. Moreover, the reinforcing plate is arranged at the position of the supporting and pushing device on the longitudinal beam 4, so that the longitudinal beam 4 is prevented from being overloaded to cause bending damage.
Two parallel upright columns 1 are arranged on one of the two cross beams 3 close to the non-construction section, and the two upright columns 1 are connected with each other through a connecting system 2; two parallel oblique supporting rods 7 are arranged on the other cross beam 3, and the other ends of the oblique supporting rods 7 are connected to the upper parts of the upright posts 1. Therefore, the oblique upward direction of the oblique support rod 7 is consistent with the pushing direction of the beam body, so that the stability of the upright post 1 can be enhanced, the rigidity of the whole support system can be improved, and the horizontal force generated during beam body pushing construction can be overcome.
The upright column 1 is made of a thick-wall seamless steel pipe, and the tubular section upright column 1 can ensure the bearing capacity and is convenient to cut and remove in the later period. The top and the bottom of the upright post 1 are both provided with end steel plates and stiffening plates so as to enhance the bearing capacity of the upright post 1. When the beam body is pushed to the designed position, the actual elevation of the beam body is possibly far lower than the designed elevation of the beam body, and at the moment, the prefabricated box type cushion block can be arranged at the top end of the upright post 1 and used for temporary cushion copying.
Example 5:
the embodiment specifically relates to a temporary pier top supporting system for walking type pushing, which comprises a cross beam 3, a longitudinal beam 4 and a vertical column 1. The temporary pier top is provided with four steel pipe piles 8, in the supporting system, two cross beams 3 are fixedly arranged on the steel pipe piles 8 in parallel, a longitudinal beam 4 is erected at the middle position of the two cross beams 3 along the longitudinal bridge direction, and the longitudinal beam 4 is located right below the bridge and used for supporting and pushing equipment. Moreover, the reinforcing plate is arranged at the position of the supporting and pushing device on the longitudinal beam 4, so that the longitudinal beam 4 is prevented from being overloaded to cause bending damage.
Two parallel upright posts 1 which are connected with each other through a connecting system 2 are respectively arranged on the two cross beams 3. Four oblique supporting rods 7 are further erected on the two cross beams 3, one end of each oblique supporting rod 7 is connected to one cross beam 3, and the other end of each oblique supporting rod 7 is connected to the upper portion of the upright post 1 on the other cross beam 3. The oblique upward direction of the oblique supporting rod 7 is parallel to the pushing direction of the beam body, so that the stability of the upright post 1 can be enhanced, the rigidity of the whole supporting system can be improved, and the horizontal force generated during beam body pushing construction can be overcome.
The upright column 1 is made of a thick-wall seamless steel pipe, and the tubular section upright column can ensure the bearing capacity and is convenient to cut and remove in the later period. The top and the bottom of the upright post 1 are both provided with end steel plates 5 and stiffening plates 6 so as to enhance the bearing capacity of the upright post 1.
The present invention is not limited to the foregoing embodiments. The invention extends to any novel feature or any novel combination of features disclosed in this specification, and to any novel method or process steps or any novel combination of features disclosed.

Claims (10)

1. The utility model provides a walking pushes away with interim pier top support system which characterized in that: comprises a cross beam, a longitudinal beam and a vertical column; the cross beams and the longitudinal beams are arranged on the steel pipe pile at the top of the temporary pier in a crossed and superposed mode, one of the cross beams and the longitudinal beams is used for supporting pushing equipment, a plurality of stand columns which are mutually connected through connecting systems are vertically arranged on the other of the cross beams and the longitudinal beams, supporting systems are further arranged between different cross beams or longitudinal beams, and one ends of the supporting systems are connected to the stand columns.
2. The temporary pier top support system according to claim 1, wherein: the transverse beam is fixedly arranged on the steel pipe pile, and the longitudinal beam is erected in the middle of the transverse beam along the longitudinal bridge direction, is positioned right below the bridge and is used for supporting pushing equipment.
3. The temporary pier top support system according to claim 2, wherein: and a reinforcing plate is arranged at the position of the supporting and pushing device on the longitudinal beam.
4. The temporary pier top support system according to claim 1 or 2, wherein: the stand is located on a certain crossbeam immediately, the one end of support system is connected on the stand, and the other end is connected on other crossbeams.
5. The temporary pier top support system according to claim 4, wherein: the support system comprises oblique support rods, and when more than one oblique support rod is arranged, the oblique support rods are connected through the transverse support rods in a reinforcing mode.
6. The temporary pier top support system according to claim 1 or 2, wherein: at least one of the cross beams is provided with a stand column, and the stand columns on the cross beam provided with the stand columns are arranged in parallel.
7. The temporary pier top support system according to claim 1 or 2, wherein: the top and the bottom of the upright post are both provided with an end steel plate and a stiffening plate.
8. The temporary pier top support system according to claim 1 or 2, wherein: and a plurality of cushion blocks are arranged at the top ends of the upright posts.
9. The temporary pier top support system according to claim 8, wherein: the cushion blocks are prefabricated box type cushion blocks.
10. The temporary pier top support system according to claim 1 or 2, wherein: the upright column is made of thick-wall seamless steel pipes.
CN201921779657.7U 2019-10-23 2019-10-23 Walking type pushing temporary pier top supporting system Active CN211340440U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921779657.7U CN211340440U (en) 2019-10-23 2019-10-23 Walking type pushing temporary pier top supporting system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921779657.7U CN211340440U (en) 2019-10-23 2019-10-23 Walking type pushing temporary pier top supporting system

Publications (1)

Publication Number Publication Date
CN211340440U true CN211340440U (en) 2020-08-25

Family

ID=72092348

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921779657.7U Active CN211340440U (en) 2019-10-23 2019-10-23 Walking type pushing temporary pier top supporting system

Country Status (1)

Country Link
CN (1) CN211340440U (en)

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