CN217923635U - Super-large span support frame with built-in jack prestressed rod - Google Patents
Super-large span support frame with built-in jack prestressed rod Download PDFInfo
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- CN217923635U CN217923635U CN202222161879.0U CN202222161879U CN217923635U CN 217923635 U CN217923635 U CN 217923635U CN 202222161879 U CN202222161879 U CN 202222161879U CN 217923635 U CN217923635 U CN 217923635U
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Abstract
The utility model belongs to the technical field of the support frame and specifically relates to super large span support frame of built-in jack prestressing force pole. The support frame comprises a compression bar piece, anchoring pieces, prestressed rods, steel strands, connecting pull rods and connecting beams, wherein the compression bar piece is sequentially and fixedly connected with the plurality of prestressed rods, the two ends of the compression bar piece are respectively and fixedly connected with the anchoring pieces, the connecting pull rods and the connecting beams are connected between two adjacent prestressed rods, and the steel strands penetrate through the prestressed rods and the anchoring pieces. The utility model discloses a required prestressing force can accurately directly be applyed to built-in jack in the prestressing force pole fixing base, can in time adjust moreover to the active control foundation ditch displacement.
Description
Technical Field
The utility model belongs to the technical field of the support frame and specifically relates to super large span support frame of built-in jack prestressing force pole.
Background
The prestressed combined type steel support for the domestic foundation pit engineering is rapidly developed in recent years, and the prestressed combined type steel support has the advantages of low cost, short construction period, energy conservation, environmental protection and the like, and gradually replaces the traditional reinforced concrete support;
the prestress combined type steel supporting technology for the domestic foundation pit engineering mainly comprises the following steps: conventional support technology and ultra-large span support technology; the conventional splayed strut supporting technology is a splayed strut and a splayed strut truss; the ultra-large span supporting technology comprises a fish belly sill and a beam string; the problems of large steel consumption and high manufacturing cost exist in the conventional splayed support technology of splayed supports and splayed truss supports; the fish-bellied beam and beam string ultra-large span support technology has the problems of insufficient structure safety, inaccurate prestress application, high prestress construction difficulty and poor foundation pit displacement control effect.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: in order to solve the technical problem described in the background art, the utility model provides a super large span support frame of built-in jack prestressing force pole. The pre-stress rod fixing seat has the advantages that the pre-stress rod fixing seat is internally provided with the jack, so that the required pre-stress can be accurately and directly applied, the adjustment can be carried out in time, and the displacement of the foundation pit can be actively controlled.
The utility model provides a technical scheme that its technical problem adopted is:
the utility model provides a super large span support frame of built-in jack prestressing force pole, includes compression bar spare, anchor assembly, prestressing force pole, steel strand wires, connects the pull rod, connects the crossbeam, fixedly connected with several prestressing force pole in proper order on the compression bar spare, compression bar spare both ends difference fixedly connected with anchor assembly is connected with between two adjacent prestressing force poles and connects the pull rod and connect the crossbeam, and steel strand wires pass prestressing force pole and anchor assembly.
The prestressed rod is composed of a circular tube, a cross beam, a vertical beam, a guide circular tube, a jack, a stiffening plate, a base, a bearing plate and an arc plate structure, wherein the stiffening plate is fixed between the circular tube and the cross beam, the vertical beam, the guide circular tube and the jack are fixed on the vertical beam, the jack is located in the guide circular tube, the bottom end of the circular tube is arranged in the guide circular tube, the bearing plate is fixed at the bottom opening of the circular tube, the arc plate structure is arranged in the circular tube, the prestressed rod is composed of the circular tube, the cross beam, the vertical beam, the guide circular tube, the jack, the stiffening plate, the base, the bearing plate and the arc plate structure, the stiffening plate is fixed between the circular tube and the cross beam, the vertical beam, the guide circular tube and the jack are fixed on the vertical beam, the jack is located in the guide circular tube, the bottom end of the circular tube is arranged in the guide circular tube, the bearing plate is fixed at the bottom opening of the circular tube, and the arc plate structure is arranged in the circular tube.
Specifically, the arc structure includes that the several comprises arc and the three baffle of arranging in proper order from the top down, is equipped with several arc draw-in groove on the baffle in proper order, and several arc draw-in groove on the baffle is passed respectively to the several arc, and several steel strand wires pass between the several arc respectively.
Specifically, a gasket is arranged between the cross beam and the vertical beam.
Specifically, the anchoring part comprises a triangular frame body, a first base, a first arc-shaped plate, a first shear web, a first shear cover plate and a first stiffening plate, wherein the first base is fixed at the bottom of the triangular frame body, the first shear web is fixed in the triangular frame body, the first shear cover plate is fixed on the left side and the right side of the triangular frame body respectively, a plurality of first stiffening plates which are perpendicular to each other are fixed between the first shear web and the two first shear cover plates, a plurality of arc-shaped clamping grooves are sequentially formed in the first shear cover plate and the first shear web, the plurality of arc-shaped plates respectively penetrate through the plurality of arc-shaped clamping grooves in the first shear cover plate and the first shear web, and a plurality of steel stranded wires respectively penetrate through the plurality of first arc-shaped plates.
Specifically, the anchoring part comprises a rectangular frame body, a second base, a second arc-shaped plate, a second shear web, a second shear cover plate and a second stiffening plate, the second base is fixed at the bottom of the rectangular frame body, the second shear web is fixed in the rectangular frame body, the second shear cover plate is fixed on the left side and the right side of the rectangular frame body respectively, the second stiffening plate which is perpendicular to the second shear cover plate is fixed between the second shear cover plate and the two shear cover plates, a plurality of arc-shaped clamping grooves are sequentially formed in the second shear cover plate and the second shear web, the plurality of arc-shaped plates respectively penetrate through the second shear cover plate and the plurality of arc-shaped clamping grooves in the second shear web, and a plurality of steel strands respectively penetrate through the second plurality of arc-shaped plates.
Specifically, two ends of the connecting beam are connected to the beams of the two prestressed rods through bolts respectively, and the connecting beam is perpendicular to the circular tube.
Specifically, one end of the connecting pull rod is connected to the stiffening plate of one prestressed rod through a bolt, and the other end of the connecting pull rod is connected to the round pipe of the other prestressed rod through a bolt.
The beneficial effects of the utility model are that: the utility model provides a super large span support frame of built-in jack prestressing force pole. The pre-stress rod fixing seat has the advantages that the pre-stress rod fixing seat is internally provided with the jack, so that the required pre-stress can be accurately and directly applied, the adjustment can be carried out in time, and the displacement of the foundation pit can be actively controlled.
Drawings
The present invention will be further explained with reference to the drawings and examples.
FIG. 1 is a schematic view of the present invention;
fig. 2 is a schematic structural view of the frame body of the two anchoring parts of the present invention being a rectangular frame body;
fig. 3 is a schematic structural view of the two anchoring members of the present invention being a rectangular frame and a triangular frame respectively;
fig. 4 is a schematic structural view of the prestressed bar of the present invention;
fig. 5 is a schematic structural view of the triangular frame body of the present invention;
fig. 6 is a schematic structural view of the rectangular frame body of the present invention;
fig. 7 is a schematic structural view of the present invention installed in a foundation pit;
fig. 8 is a schematic structural diagram of a first arc plate, a first shear web and a first shear cover plate of the present invention;
FIG. 9 is a schematic structural view of a second arc plate, a second shear web and a second shear cover plate of the present invention;
fig. 10 is a schematic structural view of an arc plate structure of the present invention;
in the figure, 1, a compression bar component, 2, an anchoring component, 3, a prestressed bar, 4, a steel strand, 5, a connecting pull rod and 6, a connecting rod are arranged
A cross beam, 30 gaskets, 31 round pipes, 32 cross beams, 33 vertical beams, 34 guide round pipes, 35 jacks, 36 stiffening plates, 37 bases, 38 bearing plates, 39, arc-shaped plate structure, 21, triangular frame body, 22, base I, 23, arc-shaped plate I, 24, shear web I, 25, shear cover plate I and 26.
The first stiffening plate 221 is a rectangular frame body, 222 is a second base, 223 is an arc-shaped plate, 224 is a shear-resistant web plate, 225 is a shear-resistant cover plate, 226 is a second stiffening plate, 391 is an arc-shaped plate, 392 is a partition plate.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.
Fig. 1 is a schematic structural diagram of the present invention; fig. 2 is a schematic structural view of the two anchoring member frames of the present invention are rectangular frames; FIG. 3 shows that the two anchoring members of the present invention are respectively rectangular frames and
a schematic structural diagram of a triangular frame body; fig. 4 is a schematic structural view of the prestressed rod of the present invention; fig. 5 is a schematic structural view of the triangular frame body of the present invention; fig. 6 is a schematic structural view of the rectangular frame body of the present invention; fig. 7 is a schematic structural view of the present invention installed in a foundation pit; fig. 8 is a schematic structural diagram of a first arc plate, a first shear web plate and a first shear cover plate of the present invention; FIG. 9 is a schematic structural view of a second arc plate, a second shear web and a second shear cover plate of the present invention; fig. 10 is a schematic structural view of the arc plate structure of the present invention.
Combine that attached 1, attached 2, attached 3 and attached 7 show, a super large span support frame of built-in jack prestressing force pole, including compression bar spare 1, anchor assembly 2, prestressing force pole 3, steel strand wires 4, connect pull rod 5, connection crossbeam 6, fixedly connected with several prestressing force pole 3 in proper order on the compression bar spare 1, compression bar spare 1 both ends respectively fixedly connected with anchor assembly 2 is connected with between two adjacent prestressing force poles 3 and connects pull rod 5 and connection crossbeam 6, and steel strand wires 4 passes prestressing force pole 3 and anchor assembly 2.
The compression bar member 1 and the anchoring member 2 are fixedly connected to the surface of the foundation pit through bolts. The bottom of the prestressed rod 3 is fixedly connected to the compression bar member 1 through bolts, and the anchoring piece 2 is fixedly connected to two ends of the compression bar member 1 through bolts.
As shown in fig. 4, the prestressed rod 3 is composed of a circular tube 31, a cross beam 32, a vertical beam 33, a guide circular tube 34, a jack 35, a stiffening plate 36, a base 37, a bearing plate 38 and an arc plate structure 39, wherein the stiffening plate 36 is fixed between the circular tube 31 and the cross beam 32, the vertical beam 33, the guide circular tube 34 and the jack 35 are fixed on the vertical beam 33, the jack 35 is positioned in the guide circular tube 34, the bottom end of the circular tube 31 is positioned in the guide circular tube 34, the bearing plate 38 is fixed at an opening at the bottom of the circular tube 31, the arc plate structure 39 is positioned in the circular tube 31, the prestressed rod 3 is composed of the circular tube 31, the cross beam 32, the vertical beam 33, the guide circular tube 34, the jack 35, the stiffening plate 36, the base 37, the bearing plate 38 and the arc plate structure 39, the stiffening plate 36 is fixed between the circular tube 31 and the cross beam 32, the vertical beam 33, the guide circular tube 34 and the jack 35, the jack 35 is positioned in the guide circular tube 34, the bottom end of the circular tube 31 is positioned in the guide circular tube 34, the bottom of the circular tube 31 is fixed with the bearing plate 38 and the arc plate structure 39.
As shown in fig. 10, the arc plate structure 39 includes a plurality of arc plates 391 and three partition plates 392 arranged in sequence from top to bottom, the partition plates 392 are sequentially provided with a plurality of arc slots, the plurality of arc plates 391 respectively pass through the plurality of arc slots on the partition plates 392, and the plurality of steel strands 4 respectively pass through between the plurality of arc plates 391.
A spacer 30 is provided between the cross beam 32 and the vertical beam 33.
The top of jack 35 pushes against bearing plate 38 at the bottom of circular pipe 31, and the top of jack 35 can promote circular pipe 31 to move toward the direction of steel strand 4, utilizes the reaction force of steel strand 4 to make this support frame exert prestressing force to the foundation ditch. The jack 35 can accurately and directly apply the required prestress, and can be adjusted in time to actively control the displacement of the foundation pit. When the head of the jack 35 stops moving, the spacer 30 is put between the cross beam 32 and the vertical beam 33, so that the distance between the circular tube 31 and the base 37 can be locked.
Referring to fig. 5 and 8, the anchoring member 2 is composed of a triangular frame 21, a base 22, arc-shaped plates 23, a shear-resistant web 24, a shear-resistant cover plate 25 and a stiffening plate 26, the base 22 is fixed at the bottom of the triangular frame 21, the shear-resistant web 24 is fixed in the triangular frame 21, the shear-resistant cover plate 25 is fixed on each of the left side and the right side of the triangular frame 21, a plurality of mutually perpendicular stiffening plates 26 are fixed between the shear-resistant web 24 and the two shear-resistant cover plates 25, a plurality of arc-shaped slots are sequentially formed in the shear-resistant cover plate 25 and the shear-resistant web 24, the plurality of arc-shaped plates 23 respectively penetrate through the plurality of arc-shaped slots on the shear-resistant cover plate 25 and the shear-resistant web 24, and the plurality of steel strands 4 respectively penetrate through the plurality of arc-shaped plates 23.
Referring to fig. 6 and 9, the anchor 2 is composed of a rectangular frame 221, a second base 222, a second arc-shaped plate 223, a second shear-resistant web 224, a second shear-resistant cover plate 225 and a second stiffening plate 226, the second base 222 is fixed at the bottom of the rectangular frame 221, the second shear-resistant web 224 is fixed in the rectangular frame 221, the second shear-resistant cover plate 225 is fixed on each of the left side and the right side of the rectangular frame 221, a plurality of second stiffening plates 226 perpendicular to each other are fixed between the second shear-resistant web 224 and the two second shear-resistant cover plates 225, a plurality of arc-shaped slots are sequentially formed in the second shear-resistant cover plate 225 and the second shear-resistant web 224, the plurality of second arc-shaped plates 223 respectively penetrate through the plurality of arc-shaped slots on the second shear-resistant cover plate 225 and the second shear-resistant web 224, and the plurality of steel strands 4 respectively penetrate through the plurality of second arc-shaped plates 223.
Two ends of the connecting beam 6 are respectively connected to the beams 32 of the two prestressed rods 3 through bolts, and the connecting beam 6 is perpendicular to the circular tube 31.
One end of the connecting pull rod 5 is connected to the stiffening plate 36 of one prestressed rod 3 through a bolt, and the other end of the connecting pull rod 5 is connected to the round tube 31 of the other prestressed rod 3 through a bolt.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (8)
1. The utility model provides a super large span support frame of built-in jack prestressing force pole, characterized by, including compression bar spare (1), anchor assembly (2), prestressing force pole (3), steel strand wires (4), connection pull rod (5), connection crossbeam (6), fixedly connected with several prestressing force pole (3) in proper order on compression bar spare (1), compression bar spare (1) both ends fixedly connected with anchor assembly (2) respectively are connected with between two adjacent prestressing force poles (3) and connect pull rod (5) and connection crossbeam (6), and prestressing force pole (3) and anchor assembly (2) are passed in steel strand wires (4).
2. The ultra-large span support frame with the built-in jack prestressed rod as claimed in claim 1, wherein: the prestressed rod (3) is composed of a circular tube (31), a cross beam (32), a vertical beam (33), a guide circular tube (34), a jack (35), a stiffening plate (36), a base (37), a bearing plate (38) and an arc-shaped plate structure (39), wherein the stiffening plate (36) is fixed between the circular tube (31) and the cross beam (32), the vertical beam (33), the guide circular tube (34) and the jack (35) are fixed on the vertical beam (33), the jack (35) is located in the guide circular tube (34), the bottom end of the circular tube (31) is arranged in the guide circular tube (34), the bearing plate (38) is fixed at an opening at the bottom of the circular tube (31), and the arc-shaped plate structure (39) is arranged in the circular tube (31).
3. The ultra-large span support frame with a built-in jack prestressed rod as claimed in claim 2, wherein: the arc-shaped plate structure (39) comprises a plurality of arc-shaped plates (391) and three partition plates (392), wherein the arc-shaped plates (391) and the three partition plates (392) are sequentially arranged from top to bottom, a plurality of arc-shaped clamping grooves are sequentially formed in the partition plates (392), the plurality of arc-shaped plates (391) respectively penetrate through the plurality of arc-shaped clamping grooves in the partition plates (392), and a plurality of steel strands (4) respectively penetrate among the plurality of arc-shaped plates (391).
4. The ultra-large span support frame with the built-in jack prestressed rod as claimed in claim 2, wherein: and a gasket (30) is arranged between the cross beam (32) and the vertical beam (33).
5. The ultra-large span support frame with a built-in jack prestressed rod as claimed in claim 1, wherein: the anchoring part (2) comprises a triangular frame body (21), a first base (22), a first arc-shaped plate (23), a first shear web plate (24), a first shear cover plate (25) and a first stiffening plate (26), wherein the first base (22) is fixed at the bottom of the triangular frame body (21), the first shear web plate (24) is fixed in the triangular frame body (21), the first shear cover plate (25) is fixed on the left side and the right side of the triangular frame body (21) respectively, a plurality of mutually vertical first stiffening plates (26) are fixed between the first shear web plate (24) and the two first shear cover plates (25), a plurality of arc-shaped clamping grooves are sequentially formed in the first shear cover plate (25) and the first shear web plate (24), the plurality of first shear plate (23) respectively penetrate through the plurality of arc-shaped clamping grooves in the first shear cover plate (25) and the first shear web plate (24), and the plurality of steel stranded wires (4) respectively penetrate through the plurality of first arc-shaped plate (23).
6. The ultra-large span support frame with the built-in jack prestressed rod as claimed in claim 1, wherein: the anchoring part (2) comprises a rectangular frame body (221), a second base (222), two arc-shaped plates (223), a second shear-resistant web plate (224), a second shear-resistant cover plate (225) and a second stiffening plate (226), the second base (222) is fixed at the bottom of the rectangular frame body (221), the second shear-resistant web plate (224) is fixed in the rectangular frame body (221), the second shear-resistant cover plate (225) is fixed on the left side and the right side of the rectangular frame body (221) respectively, a plurality of second stiffening plates (226) which are perpendicular to each other are fixed between the second shear-resistant web plate (224) and the two second shear-resistant cover plates (225), a plurality of arc-shaped clamping grooves are sequentially formed in the second shear-resistant cover plate (225) and the second shear-resistant web plate (224), the plurality of second shear-resistant plate (223) respectively penetrate through the plurality of arc-shaped clamping grooves in the second shear-resistant cover plate (225) and the second shear-resistant web plate (224), and the plurality of steel stranded wires (4) respectively penetrate through the plurality of arc-shaped plate (223).
7. The ultra-large span support frame with the built-in jack prestressed rod as claimed in claim 2, wherein: the two ends of the connecting beam (6) are respectively connected to the beams (32) of the two prestressed rods (3) through bolts, and the connecting beam (6) is perpendicular to the round pipe (31).
8. The ultra-large span support frame with a built-in jack prestressed rod as claimed in claim 2, wherein: one end of the connecting pull rod (5) is connected to the stiffening plate (36) of one prestressed rod (3) through a bolt, and the other end of the connecting pull rod (5) is connected to the round pipe (31) of the other prestressed rod (3) through a bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222161879.0U CN217923635U (en) | 2022-08-17 | 2022-08-17 | Super-large span support frame with built-in jack prestressed rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222161879.0U CN217923635U (en) | 2022-08-17 | 2022-08-17 | Super-large span support frame with built-in jack prestressed rod |
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| Publication Number | Publication Date |
|---|---|
| CN217923635U true CN217923635U (en) | 2022-11-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222161879.0U Active CN217923635U (en) | 2022-08-17 | 2022-08-17 | Super-large span support frame with built-in jack prestressed rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217923635U (en) |
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2022
- 2022-08-17 CN CN202222161879.0U patent/CN217923635U/en active Active
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| TR01 | Transfer of patent right |
Effective date of registration: 20230111 Address after: 210000 288 Qinhuai Road, Yung Yang Street, Lishui District, Nanjing, Jiangsu Patentee after: NANJING DING ZHUO GEOTECHNICAL ENGINEERING CO.,LTD. Address before: 211299 Qinhuai Avenue 288 Yongyang Street, Lishui District, Nanjing City, Jiangsu Province Patentee before: NANJING DING ZHUO GEOTECHNICAL ENGINEERING CO.,LTD. Patentee before: Zhang Lei |