CN212270960U - Novel assembled foundation pit retaining structure - Google Patents
Novel assembled foundation pit retaining structure Download PDFInfo
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- CN212270960U CN212270960U CN202020880853.XU CN202020880853U CN212270960U CN 212270960 U CN212270960 U CN 212270960U CN 202020880853 U CN202020880853 U CN 202020880853U CN 212270960 U CN212270960 U CN 212270960U
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Abstract
The utility model belongs to the technical field of the foundation ditch enclosure technique and specifically relates to a novel assembled foundation ditch retaining structure, including the foundation ditch, the four corners department of foundation ditch all is provided with the angle apron board, two adjacent angle apron boards's opposite flank all is provided with first connecting plate, evenly be provided with the second connecting plate between the opposite flank of two adjacent first connecting plates, be provided with the larsen steel sheet pile of mutual concatenation between the opposite flank of two adjacent second connecting plates, be provided with the larsen steel sheet pile of mutual concatenation between the opposite flank of adjacent first connecting plate and second connecting plate, first connecting plate and second connecting plate are kept away from foundation ditch one side and are all provided with the support frame, be provided with the steel purlin that the cross-section is the I shape with the support frame upper portion of one side, the slope is provided with the crossbeam between two adjacent steel purlins, two relative steel purlins keep away from second connecting plate one side around. The utility model discloses can replace traditional reinforced concrete structure, shorten the cycle of construction.
Description
Technical Field
The utility model relates to a foundation ditch enclosure technical field especially relates to a novel assembled foundation ditch retaining structure.
Background
The foundation pit enclosure is a method for developing and utilizing underground space and building various underground buildings such as multi-layer basements, underground railways, underground commercial streets and the like. There are gravity type mixing pile retaining wall, underground continuous wall, pile row retaining wall, etc. The stability of the foundation pit and the safety and convenience of operation in the pit are ensured, and the displacement of the soil body at the bottom of the pit and outside the pit is controlled within a certain range, so that the normal use of adjacent buildings and municipal facilities is ensured. The existing foundation pit support is supported and reinforced by adopting a reinforced concrete structure, but the construction period of the technology is longer, so that the speed of the whole civil construction is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the shortcoming that exists among the prior art, and the novel prefabricated foundation ditch envelope that proposes makes it replace traditional reinforced concrete structure, has shortened the cycle of construction.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the novel assembly type foundation pit support structure comprises a foundation pit, wherein corner guard plates are arranged at four corners of the foundation pit, and first connecting plates are arranged on opposite sides of two adjacent corner guard plates; second connecting plates are uniformly arranged between opposite side surfaces of two adjacent first connecting plates, and Larsen steel sheet piles which are spliced with each other are arranged between opposite side surfaces of two adjacent second connecting plates; larsen steel sheet piles which are spliced with each other are arranged between opposite side faces of the adjacent first connecting plate and the second connecting plate; supporting frames are arranged on the sides, away from the foundation pit, of the first connecting plate and the second connecting plate, and a steel enclosing purlin with an I-shaped cross section is arranged at the upper part of the supporting frame on the same side; a cross beam is obliquely arranged between every two adjacent steel purlins, first fixing plates are arranged at two ends of each cross beam, and the first fixing plates are fixedly connected with the steel purlins through connecting bolts; first clamping plates are uniformly arranged on the sides, far away from the second connecting plate, of the front and back opposite steel enclosing purlins, and the sides, far away from the steel enclosing purlins, of the first clamping plates are arranged on the first connecting pipes; a first flange plate is sleeved on the outer side of one end, far away from the first clamping plate, of the first connecting pipe, and a second connecting pipe is arranged at one end, far away from the first clamping plate, of the first connecting pipe; a second flange matched with the first flange is sleeved on the outer sides of two ends of the second connecting pipe, and the second flange and the first flange are fixedly connected through a connecting bolt; and a jacking mechanism is arranged between the two adjacent front and back second connecting pipes.
Preferably, the jacking mechanism comprises a worm, a turbine, a third flange plate, a guide sleeve, a threaded connecting rod, a guide block and a fourth flange plate; a third flange plate matched with the second flange plate is sleeved on the outer side of one end of the guide sleeve, and the third flange plate and the second flange plate are fixedly connected through a connecting bolt; a worm penetrates through one side of the guide sleeve, ejector rods are slidably arranged in the guide sleeve, and guide blocks are uniformly arranged on the outer sides of the ejector rods; the guide sleeve is provided with a guide groove matched with the guide block; a fourth flange plate matched with the second flange plate is sleeved on the outer side of one end, far away from the guide sleeve, of the ejector rod, and the other end of the ejector rod is in threaded connection with a threaded connecting rod; the outer side of one end, far away from the ejector rod, of the threaded connecting rod is sleeved with a worm wheel matched with the worm, and the threaded connecting rod penetrates through the worm wheel and then is rotatably connected with a second fixing plate; the outer side of the second fixing plate is fixedly connected with the guide sleeve.
Preferably, the upper surface of the corner enclosure plate is provided with a first inserting plate, and the cross section of the first inserting plate is in a wedge shape; and a first slot matched with the first inserting plate is formed in the lower surface of the corner enclosing protective plate.
Preferably, the opposite side surfaces of two adjacent corner apron plates are provided with second inserting plates, and the cross sections of the second inserting plates are trapezoidal; and a second slot matched with the second inserting plate is formed in one side, close to the corner enclosing protective plate, of the first connecting plate.
Preferably, the lower surface of the first clamping plate is bilaterally symmetrically provided with guide columns, and the outer sides of the two guide columns are sleeved with second clamping plates; a third connecting plate is connected between the two second clamping plates, an adjusting screw rod is arranged in the middle of the third connecting plate, and the upper end of the adjusting screw rod penetrates through the third connecting plate and then is rotatably connected with the first clamping plate.
Preferably, the cross section of the tooth of the threaded connecting rod is in an isosceles trapezoid shape.
The utility model provides a pair of novel assembled foundation ditch retaining structure, beneficial effect lies in: the utility model discloses in replace traditional reinforced concrete structure through the mechanism that adopts the concatenation steel pipe for the cycle of construction shortens, and the steel pipe can used repeatedly simultaneously, through the mode that adopts the grafting between two adjacent angle fencing boards from top to bottom, makes the angle enclose more convenient and fast of backplate erection joint, can adjust the length of tight mechanism in top according to actual conditions through the tight mechanism in top simultaneously, thereby makes the overlap joint of first connecting pipe and second connecting pipe swift more smoothly.
Drawings
Fig. 1 is a schematic view of a top-view cross-sectional structure of a novel fabricated foundation pit support structure provided by the utility model;
fig. 2 is a schematic view of a section structure at a position a in the novel fabricated foundation pit support structure provided by the utility model;
fig. 3 is a schematic view of an enlarged structure of a part B of a novel fabricated foundation pit support structure provided by the utility model;
fig. 4 is a schematic view of an enlarged structure of a part C of the novel fabricated foundation pit support structure provided by the present invention;
fig. 5 is a schematic view of an enlarged structure of a part D in the novel fabricated foundation pit support structure provided by the utility model;
fig. 6 is the utility model provides a novel assembled foundation ditch enclosure structure middle corner apron plate's the up-and-down side spatial structure schematic diagram.
In the figure: the foundation pit supporting structure comprises a foundation pit 1, a corner surrounding protection plate 2, a first connecting plate 3, a second connecting plate 4, a Larsen steel sheet pile 5, a supporting frame 6, a steel surrounding purlin 7, a cross beam 8, a first fixing plate 9, a first clamping plate 10, a first connecting pipe 11, a first flange 12, a second connecting pipe 13, a jacking mechanism 14, a worm 140, a turbine 141, a third flange 142, a guide sleeve 143, a threaded connecting rod 144, a guide block 145, a fourth flange 146, a push rod 147, a guide groove 148, a second fixing plate 149, a first inserting plate 15, a first inserting groove 16, a second inserting plate 17, a second inserting groove 18, a guide column 19, a second clamping plate 20, a third connecting plate 21, an adjusting screw 22 and a second flange 23.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-6, a novel assembled foundation pit support structure, including foundation pit 1, foundation pit 1's four corners department all is provided with angle apron plate 2, angle apron plate 2's upper surface is provided with first picture peg 15, first picture peg 15's cross-section is the wedge form, angle apron plate 2's lower surface is seted up with first picture peg 15 assorted first slot 16, through the grafting cooperation between first picture peg 15 and first slot 16, make two adjacent angle apron plate 2 of deciding from top to bottom connect the installation convenient and fast more, guarantee simultaneously that two angle after the installation apron plate 2 aligns.
The opposite side of two adjacent corner apron boards 2 all is provided with first connecting plate 3, the opposite side of two adjacent corner apron boards 2 all is provided with second picture peg 17, the trapezoidal form is personally submitted in the cross-section of second picture peg 17, first connecting plate 3 be close to corner apron board 2 one side seted up with second picture peg 17 assorted second slot 18, through the sliding fit between second picture peg 17 and second slot 17 for first connecting plate 3 encloses 2 connection installations convenient and fast more with the corner apron board.
Second connecting plates 4 are uniformly arranged between opposite side surfaces of two adjacent first connecting plates 3, Larsen steel sheet piles 5 which are spliced with each other are arranged between opposite side surfaces of two adjacent second connecting plates 4, Larsen steel sheet piles 5 which are spliced with each other are arranged between opposite side surfaces of two adjacent first connecting plates 3 and second connecting plates 4, one sides of the first connecting plates 3 and the second connecting plates 4, which are far away from the foundation pit 1, are respectively provided with a supporting frame 6, the upper parts of the supporting frames 6 on the same side are provided with steel purlins 7 with I-shaped cross sections, a cross beam 8 is obliquely arranged between the two adjacent steel purlins 7, two ends of the cross beam 8 are respectively provided with a first fixing plate 9, the first fixing plates 9 are fixedly connected with the steel purlins 7 through connecting bolts, through the sides, which are far away from the second connecting plates 4, of the front and back steel purlins 7 are uniformly provided with first clamping plates 10, the second clamping plates 20 are sleeved on the outer sides of the two guide columns 19, a third connecting plate 21 is connected between the two second clamping plates 20, adjusting screws 22 are arranged in the middle of the third connecting plate 21, the upper ends of the adjusting screws 22 penetrate through the third connecting plate 21 and then are connected with the first clamping plates 10 in a rotating mode, the third connecting plate 21 is driven to move towards the first clamping plates 10 through the rotation of the adjusting screws 22, and therefore the second clamping plates 20 and the first clamping plates 10 are fixed with the first connecting pipes 11.
A jacking mechanism 14 is arranged between two adjacent front and back second connecting pipes 13, the jacking mechanism 14 comprises a worm 140, a worm wheel 141, a third flange plate 142, a guide sleeve 143, a threaded connecting rod 144, a guide block 145 and a fourth flange plate 146, the outer side of one end of the guide sleeve 143 is sleeved with the third flange plate 142 matched with the second flange plate 14, the third flange plate 142 and the second flange plate 14 are fixedly connected through a connecting bolt, the worm 140 is arranged on one side of the guide sleeve 143 in a penetrating manner, a top rod 147 is arranged in the guide sleeve 143 in a sliding manner, the guide block 145 is uniformly arranged on the outer side of the top rod 147, the guide sleeve 143 is provided with a guide groove 148 matched with the guide block 145, the outer side of one end of the top rod 147 far away from the guide sleeve 143 is sleeved with the fourth flange plate 146 matched with the second flange plate 14, the other end of the top rod 147 is connected with the threaded connecting rod 144 in a threaded, the threaded connecting rod 144 penetrates through the worm wheel 141 and then is connected with a second fixing plate 149 in a rotating mode, the outer side of the second fixing plate 149 is fixedly connected with the guide sleeve 143, the cross section of teeth of the threaded connecting rod 144 is in an isosceles trapezoid shape, and the worm 140 and the worm wheel 141 are meshed for transmission, so that the worm wheel 141 drives the threaded connecting rod 144 to rotate, the ejector rod 147 slides in the guide sleeve 143, and the jacking mechanism 14 is enabled to jack and fix the steel surrounding purlins 7 on the front side and the rear side.
The working principle is as follows: during installation, the corner enclosing protective plate 2 is fixedly connected with the first connecting plate 3 by utilizing the sliding fit between the second inserting plate 17 and the second inserting groove 17, the Larsen steel sheet pile 5 is inserted between the first connecting plate 3 and the second connecting plate 4 or between two adjacent second connecting plates 4, the support frame 6 is installed on the first connecting plate 3 and the second connecting plate 4 through the connecting bolts, the steel enclosing purlin 7 is erected on the support frame 6, the first connecting pipes 11 are respectively clamped on the steel enclosing purlins 7, the third connecting plate 21 is driven to move towards the first clamping plate 10 by utilizing the rotation of the adjusting screw 22, so that the first connecting pipes 11 are fixed by the second clamping plates 20 and the first clamping plates 10, the first flange plate 12 and the second flange plate 23 are fixedly connected through the connecting bolts, the first connecting pipes 11 and the second connecting pipes 13 are fixedly connected, and the second flange plate 23 and the third flange plate 142 are fixedly connected through the connecting bolts, the second connecting pipe 13 is fixedly connected with the guide sleeve 143, the worm 140 is rotated, the worm 140 and the worm wheel 141 are meshed for transmission, the worm wheel 141 drives the threaded connecting rod 144 to rotate, the ejector rod 147 slides in the guide sleeve 143, the fourth flange plate 146 moves towards the second connecting pipe 13 on the other side, the fourth flange plate 146 and the second flange plate 23 are fixedly connected through the connecting bolts, and finally the steel surrounding purlin 7 is fixed through the cross beam 8.
Above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.
Claims (6)
1. A novel assembly type foundation pit support structure comprises a foundation pit (1) and is characterized in that corner guard plates (2) are arranged at four corners of the foundation pit (1), and first connecting plates (3) are arranged on opposite sides of two adjacent corner guard plates (2); second connecting plates (4) are uniformly arranged between opposite side surfaces of two adjacent first connecting plates (3), and Larsen steel sheet piles (5) which are spliced with each other are arranged between opposite side surfaces of two adjacent second connecting plates (4); larsen steel sheet piles (5) which are spliced with each other are arranged between opposite side surfaces of the first connecting plate (3) and the second connecting plate (4) which are adjacent to each other; a support frame (6) is arranged on one side of each of the first connecting plate (3) and the second connecting plate (4) far away from the foundation pit (1), and a steel surrounding purlin (7) with an I-shaped cross section is arranged at the upper part of the support frame (6) on the same side; a cross beam (8) is obliquely arranged between every two adjacent steel enclosing purlins (7), first fixing plates (9) are arranged at two ends of the cross beam (8), and the first fixing plates (9) are fixedly connected with the steel enclosing purlins (7) through connecting bolts; a first clamping plate (10) is uniformly arranged on one side, far away from the second connecting plate (4), of the front steel enclosing purlin and the rear steel enclosing purlin (7), and one side, far away from the steel enclosing purlin (7), of the first clamping plate (10) is arranged on the first connecting pipe (11); a first flange plate (12) is sleeved on the outer side of one end, far away from the first clamping plate (10), of the first connecting pipe (11), and a second connecting pipe (13) is arranged at one end, far away from the first clamping plate (10), of the first connecting pipe (11); the outer sides of two ends of the second connecting pipe (13) are respectively sleeved with a second flange (23) matched with the first flange (12), and the second flange (23) is fixedly connected with the first flange (12) through a connecting bolt; a jacking mechanism (14) is arranged between the two adjacent front and back second connecting pipes (13).
2. The novel assembled foundation pit enclosure structure of claim 1, wherein the jacking mechanism (14) comprises a worm (140), a worm wheel (141), a third flange plate (142), a guide sleeve (143), a threaded connecting rod (144), a guide block (145) and a fourth flange plate (146); a third flange plate (142) matched with the second flange plate (23) is sleeved on the outer side of one end of the guide sleeve (143), and the third flange plate (142) is fixedly connected with the second flange plate (23) through a connecting bolt; a worm (140) penetrates through one side of the guide sleeve (143), a top rod (147) is arranged in the guide sleeve (143) in a sliding mode, and guide blocks (145) are uniformly arranged on the outer side of the top rod (147); the guide sleeve (143) is provided with a guide groove (148) matched with the guide block (145); a fourth flange (146) matched with the second flange (23) is sleeved on the outer side of one end, away from the guide sleeve (143), of the ejector rod (147), and a threaded connecting rod (144) is connected to the other end of the ejector rod (147) in a threaded mode; the outer side of one end, far away from the ejector rod (147), of the threaded connecting rod (144) is sleeved with a turbine (141) matched with the worm (140), and the threaded connecting rod (144) penetrates through the turbine (141) and then is connected with a second fixing plate (149) in a rotating mode; the outer side of the second fixing plate (149) is fixedly connected with the guide sleeve (143).
3. The novel assembly type foundation pit support structure according to claim 1, wherein the upper surface of the corner guard plate (2) is provided with a first inserting plate (15), and the cross section of the first inserting plate (15) is in a wedge shape; the lower surface of the corner apron plate (2) is provided with a first slot (16) matched with the first inserting plate (15).
4. The novel assembly type foundation pit support structure according to claim 1, wherein the opposite side surfaces of two adjacent corner guard plates (2) are provided with second insertion plates (17), and the cross section of each second insertion plate (17) is in a trapezoid shape; and one side of the first connecting plate (3) close to the corner apron plate (2) is provided with a second slot (18) matched with the second inserting plate (17).
5. The novel assembly type foundation pit support structure according to claim 1, wherein the lower surface of the first clamping plate (10) is symmetrically provided with guide columns (19) from left to right, and the outer sides of the two guide columns (19) are respectively sleeved with a second clamping plate (20); a third connecting plate (21) is connected between the two second clamping plates (20), an adjusting screw rod (22) is arranged in the middle of the third connecting plate (21), and the upper end of the adjusting screw rod (22) penetrates through the third connecting plate (21) and then is rotatably connected with the first clamping plate (10).
6. The novel fabricated foundation pit enclosure structure of claim 2, wherein the tooth cross section of the threaded connecting rod (144) is in the shape of an isosceles trapezoid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020880853.XU CN212270960U (en) | 2020-05-23 | 2020-05-23 | Novel assembled foundation pit retaining structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020880853.XU CN212270960U (en) | 2020-05-23 | 2020-05-23 | Novel assembled foundation pit retaining structure |
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| CN212270960U true CN212270960U (en) | 2021-01-01 |
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| CN202020880853.XU Active CN212270960U (en) | 2020-05-23 | 2020-05-23 | Novel assembled foundation pit retaining structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113338308A (en) * | 2021-06-15 | 2021-09-03 | 广州宏途设备工程有限公司 | Ditch supporting system |
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2020
- 2020-05-23 CN CN202020880853.XU patent/CN212270960U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113338308A (en) * | 2021-06-15 | 2021-09-03 | 广州宏途设备工程有限公司 | Ditch supporting system |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: Room 503, No. 2368, Fangzhong Road, Huli District, Xiamen City, Fujian Province 361000 Patentee after: Fujian Iwata Infrastructure Engineering Technology Co., Ltd. Address before: 5th Floor, Building 4#, Jinshan Fortune Plaza, No. 2368 Fangzhong Road, Huli District, Xiamen City, Fujian Province 361000 Patentee before: Fujian Yantian Foundation Engineering Technology Co.,Ltd. |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A New Assembled Foundation Pit Enclosure Structure Effective date of registration: 20230309 Granted publication date: 20210101 Pledgee: Xiamen Jinyuan Financing Guarantee Co.,Ltd. Pledgor: Fujian Iwata Infrastructure Engineering Technology Co.,Ltd. Registration number: Y2023980034473 |