CN215405626U - Sheet pile type construction device for soilless roadbed - Google Patents

Sheet pile type construction device for soilless roadbed Download PDF

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Publication number
CN215405626U
CN215405626U CN202121339406.4U CN202121339406U CN215405626U CN 215405626 U CN215405626 U CN 215405626U CN 202121339406 U CN202121339406 U CN 202121339406U CN 215405626 U CN215405626 U CN 215405626U
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CN
China
Prior art keywords
steel
wedge
shaped combined
supporting
sheet pile
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Expired - Fee Related
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CN202121339406.4U
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Chinese (zh)
Inventor
周建荣
康国强
肖鹏刚
谢天
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CCCC First Highway Engineering Co Ltd
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CCCC First Highway Engineering Co Ltd
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Priority to CN202121339406.4U priority Critical patent/CN215405626U/en
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Publication of CN215405626U publication Critical patent/CN215405626U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

A sheet pile type construction device for a soilless roadbed comprises a plurality of groups of supporting devices, wherein each group of supporting devices comprises two steel hoops, four wedge-shaped combined supports and a longitudinal beam; the steel hoops are used for holding the upper parts of the tubular piles, brackets extending upwards are arranged on the left side and the right side of each steel hoop, and one steel hoop is arranged on the front side of the other steel hoop; the four wedge-shaped combined supports are respectively arranged on the brackets at the left side and the right side of the two steel hoops, and the height of the wedge-shaped combined supports can be adjusted; the four corners of the longitudinal beam are respectively arranged above the four wedge-shaped combined supports. The supporting devices can be arranged on a tubular pile matrix forming the matrix and used for installing the prefabricated bridge deck above the tubular pile matrix. Construction is carried out through the construction device, pile and plate members are prefabricated in a factory in a standardized manner, renovated and maintained, transported to the site, and good in economical efficiency. After the construction of the previous bridge floor, the steel hoop, the longitudinal beam and the gantry crane can be moved into the next tubular pile matrix for construction, and the construction process can be continuous.

Description

Sheet pile type construction device for soilless roadbed
Technical Field
The utility model relates to the field of highway construction, in particular to a sheet pile type soilless roadbed construction device.
Background
In recent years, the expressway in China is developed rapidly, the construction scale is large, the route is long, the geological conditions are complex, and a considerable part of the expressway is built on a soft soil foundation. At present, the settlement of the soft soil foundation is mainly solved by two methods: one is to replace roads with bridges, and the other is to treat soft soil. The existing scheme of replacing roads by bridges has high bridge cost, needs to treat soft soil, and has great difficulty in cost and sources of high-quality fillers. Therefore, a new roadbed method which has high strength, high rigidity, good durability, proper cost, simple construction process and continuous and rapid construction is urgently needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects and provide a construction device which has proper construction cost and can continuously and quickly construct a sheet pile type soilless roadbed.
In order to achieve the purpose, the technical solution of the utility model is as follows: a sheet pile type construction device for a soilless roadbed comprises a plurality of groups of supporting devices, wherein each group of supporting devices comprises two steel hoops, four wedge-shaped combined supports and a longitudinal beam; the steel hoops are used for holding the upper parts of the tubular piles, brackets extending upwards are arranged on the left side and the right side of each steel hoop, and one steel hoop is arranged on the front side of the other steel hoop; the four wedge-shaped combined supports are respectively arranged on the brackets at the left side and the right side of the two steel hoops, and the height of the wedge-shaped combined supports can be adjusted; the four corners of the longitudinal beam are respectively arranged above the four wedge-shaped combined supports.
Preferably, a plurality of groups of supporting devices form a plurality of rows of supporting mechanisms, each row of supporting mechanisms comprises a plurality of groups of supporting devices which are longitudinally arranged in a row, and the front side steel hoop of the rear supporting device in each row of supporting mechanisms is the rear side steel hoop of the front supporting device.
Preferably, the device also comprises a gantry crane and two rails, wherein the two rails are respectively arranged on the ground on the left side and the right side of a matrix formed by a plurality of groups of supporting devices, and two ends of the gantry crane are respectively movably arranged on the two rails; two tracks can be detachably arranged on the ground.
Preferably, the lifting device further comprises a cross beam mechanism, the cross beam mechanism comprises two winches and a cross beam, pull ropes of the two winches are respectively connected with two ends of the cross beam, and the cross beam is arranged below the longitudinal beam.
Preferably, the beam mechanism further comprises two screws and a pull rod seat, the lower ends of the two screws are respectively connected with the two ends of the beam, and the pull rod seat is in threaded connection with the screws.
By adopting the technical scheme, the utility model has the beneficial effects that: the supporting devices can be arranged on a tubular pile matrix forming the matrix and used for installing the prefabricated bridge deck above the tubular pile matrix. Construction is carried out through the construction device, pile and plate members are prefabricated in a factory in a standardized manner, renovated and maintained, transported to the site, good in economical efficiency, beneficial to industrial rapid construction and suitable for popularization and application. A single bridge deck large plate is composed of a plurality of prefabricated bridge deck plates, the bridge deck plates are supported by the longitudinal beams during construction and then are spliced, and the single hoisting strength of the bridge deck plates is low. After the construction of the previous bridge floor, the steel hoop, the longitudinal beam and the gantry crane can be moved into the next tubular pile matrix for construction, and the construction process can be continuously carried out.
Drawings
FIG. 1 is a schematic structural view of the present invention installed in a tubular pile matrix;
FIG. 2 is a schematic structural view of the support device;
FIG. 3 is a schematic structural view of the steel anchor ear mounted on the pipe pile;
FIG. 4 is a schematic structural view of a bridge deck installed above a tubular pile matrix;
fig. 5 is a structural schematic diagram of the longitudinal beam when the longitudinal beam is disassembled.
A tubular pile matrix 1; a pipe pile group 11; a tubular pile 111; a middle pier 112; a transition pier 113; a steel hoop 2; a bracket 21; a wedge-shaped combined support 3; a longitudinal beam 4; a steel pipe case 51; core-fill rebar 52; axillary root steel bottom die 53; an interplate seam 54; a coping 55; a bridge deck 6; a prepared hole 61; a hoist 71; a screw 72; a cross member 73; a track 8.
Detailed Description
The utility model is further described below with reference to the figures and the specific embodiments.
As shown in fig. 1-5, the construction device of the sheet pile type soilless roadbed of the utility model comprises a plurality of groups of supporting devices, wherein the plurality of groups of supporting devices form a plurality of rows of supporting mechanisms, and each row of supporting mechanisms comprises a plurality of groups of supporting devices which are longitudinally arranged in a row. Each group of supporting devices comprises two steel hoops 2, four wedge-shaped combined supports 3 and a longitudinal beam 4. The steel staple bolt 2 is used for embracing the upper portion of tubular pile, and the left and right sides of steel staple bolt 2 all is equipped with the bracket 21 that upwards stretches out, and another steel staple bolt 2's front side is located to a steel staple bolt 2. The four wedge-shaped combined supports 3 are respectively arranged on the brackets 21 at the left side and the right side of the two steel hoops 2, the height of the wedge-shaped combined supports 3 can be adjusted, and the four corners of the longitudinal beam 4 are respectively arranged above the four wedge-shaped combined supports 3. The front side steel hoop of the rear supporting device in each row of supporting mechanisms is the rear side steel hoop of the front supporting device. And two adjacent supporting devices in each row of supporting mechanisms share one steel hoop.
The wedge-shaped combined support 3 comprises a support and two wedge-shaped blocks capable of longitudinally moving on the support, and two adjusting screws used for driving the two wedge-shaped blocks to move are arranged on the support respectively. But set up vertical removal's slider on the support, the bottom that the slider was withstood to the wedge, but the top of support is withstood to the upper end of slider, withstands longeron 4 through the slider.
The sheet pile type construction device for the soil-free subgrade further comprises a gantry crane and two rails 6, wherein the two rails 6 are respectively arranged on the ground on the left side and the right side of a matrix formed by a plurality of groups of supporting devices, and two ends of the gantry crane are respectively movably arranged on the two rails 6; the two rails 6 are detachably arranged on the ground.
As shown in fig. 5, the sheet pile type construction device for a soil-free subgrade further comprises a beam mechanism, the beam mechanism comprises two winches 71, a beam 73, two screws 72 and a pull rod seat, pull ropes of the two winches 71 are respectively connected with two ends of the beam 73, and the beam 73 is arranged below the longitudinal beam 4. The lower ends of the two screws 72 are respectively connected with the two ends of the cross beam 73, and the pull rod seat is in threaded connection with the screws.
As shown in fig. 1 to 5, the construction method of the sheet pile type soilless subgrade by the construction device of the sheet pile type soilless subgrade of the utility model comprises the following steps:
s1, pile matrix 1 is driven into on the ground, and pile matrix 1 includes a plurality of calandria pile groups, is three calandria pile groups in figure 1, and the tubular pile group sets up according to the width and the length of bridge floor, can set to more multirow or more tubular piles, and every calandria pile group 11 all includes the tubular pile 111 of plural root longitudinal arrangement.
S2, paving rails 8 on the ground on the left side and the ground on the right side of the tubular pile matrix 1; the gantry crane can be driven into the track 8.
And S3, mounting pier caps 55 at the tops of the tubular piles 111 at the front end and the rear end of each row of the pile group 11, wherein the tubular piles 111 provided with the pier caps 55 form transition piers 113, and the other tubular piles without the pier caps are middle piers 112. The transition pier 113 at the front end of the rear tubular pile matrix 1 is the transition pier 113 at the rear end of the front tubular pile matrix 1. The top of the pier cap 55 of the transition pier 113 is provided with a slide plate type rubber support.
S4, installing a steel hoop 2 on the upper portion of each tubular pile 111, wherein the steel hoop 2 is provided with brackets 21 on the left side and the right side of the tubular pile 111, and the brackets 21 are provided with wedge-shaped combined supports 3 with adjustable heights. The steel anchor ear 2 is used for embracing the top of the tubular pile 111, and the wedge-shaped combined support 3 on the bracket 21 is used for supporting the longitudinal beam 4.
S5, longitudinal beams 4 are arranged on the upper portions of two adjacent tubular piles of each row of pipe pile groups 11, the end portions of the longitudinal beams 4 are fixed on wedge-shaped combined supports 3, the left corner and the right corner of one end of each longitudinal beam 4 are respectively arranged on the wedge-shaped combined supports 3 on the left bracket and the right bracket of the steel hoop 2 on the upper portion of one tubular pile 111, and the left corner and the right corner of the other end of each longitudinal beam 4 are respectively arranged on the wedge-shaped combined supports 3 on the left bracket and the right bracket of the steel hoop 2 on the upper portion of the other tubular pile 111. The longitudinal beam 4 is provided with an axillary root steel bottom die 53. After the step of mounting the longitudinal beam 4 on the wedge-shaped combined support 3, the height of the wedge-shaped combined support 3 corresponding to the four corners of the longitudinal beam is adjusted, so that the elevation of the longitudinal beam 4 on the whole row of pipe pile groups 11 reaches the design requirement.
And S5, mounting a steel pipe sleeve 51 at the top of each middle pier, fully welding the steel pipe sleeve 51 and the top end plate of the tubular pile 111 along the circumference, mounting core-filling steel bars 52 at the top of each middle pier, and extending the upper ends of the core-filling steel bars 52 out of the top of the steel pipe sleeve 51.
S6, hoisting the bridge deck plates 6 through gantry cranes on the rails, hoisting the bridge deck plates 6 to the longitudinal beams 4 on the upper part of the tubular pile matrix 1 and longitudinally arranging the bridge deck plates in a row, and leaving an inter-plate seam 54 between every two adjacent bridge deck plates 6. The bridge deck 6 is provided with a prepared hole 61, and the upper part of the core-filling steel bar 52 is inserted into the prepared hole 61. The bottom of the bridge deck 6 is provided with longitudinal ribs, and the steel bottom die 53 at the axillary root part is opposite to the plate-to-plate joint 54 at the positions of the longitudinal ribs.
And S7, binding inter-plate steel bars at the inter-plate joints 54, and pouring core filling concrete at the inter-plate joints 54 to enable the bridge deck 6 above the tubular pile matrix 1 to form a bridge deck large plate. And pouring core filling concrete at the reserved holes 61 to fix the middle pier and the bridge deck 6 together. The core filling concrete is C50 compensation shrinkage concrete.
S8, after the bonding strength of the core filling concrete and the bridge deck slab reaches 90% of the design strength, a winch 71 is installed on the bridge deck slab, a cross beam 73 is installed below the longitudinal beam 4 to support the longitudinal beam 4, and two ends of the cross beam 73 transversely extend below the left side and the right side of the bridge deck slab. The pulling rope of the winch 71 penetrates through the core filling concrete at the seam between the plates and then is connected with the cross beam 73, and the cross beam 73 is pulled by the pulling rope of the winch 71 to rise to the position below the longitudinal beam 4. A pull rod seat is arranged on the bridge deck large plate, a screw rod 72 for pulling up the cross beam is arranged on the pull rod seat, and the lower end of the screw rod 72 is connected with the cross beam 73. The pull rod seat is provided with a nut, the screw rod penetrates through the nut, and the nut is rotated to drive the screw rod to move upwards to pull the cross beam to move upwards and support the longitudinal beam 4. After the longitudinal beam 4 is supported by the cross beam 73, the wedge-shaped combined support and the steel anchor ear 2 are removed, the cross beam 73 is lowered by using the winch 71, and the longitudinal beam 4 and the steel bottom die of the axillary root are lowered to the ground along with the cross beam 73;
s9, transferring the longitudinal beam 4 and the axillary root steel bottom die to the next tubular pile matrix 1 in front for installation; and (4) moving the rails 8 forwards to the ground on two sides of the next tubular pile matrix 1 in front, hoisting the bridge deck for the next tubular pile matrix in front, and constructing the next bridge deck.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the scope of the utility model, and all equivalent variations and modifications made in the claims of the present invention should be included in the scope of the present invention.

Claims (5)

1. A sheet pile type construction device for a soilless roadbed is characterized by comprising a plurality of groups of supporting devices, wherein each group of supporting devices comprises two steel hoops, four wedge-shaped combined supports and a longitudinal beam; the steel hoops are used for holding the upper parts of the tubular piles, brackets extending upwards are arranged on the left side and the right side of each steel hoop, and one steel hoop is arranged on the front side of the other steel hoop; the four wedge-shaped combined supports are respectively arranged on the brackets at the left side and the right side of the two steel hoops, and the height of the wedge-shaped combined supports can be adjusted; the four corners of the longitudinal beam are respectively arranged above the four wedge-shaped combined supports.
2. The sheet pile type soilless roadbed construction device of claim 1, wherein a plurality of groups of supporting devices form a plurality of rows of supporting mechanisms, each row of supporting mechanism comprises a plurality of groups of supporting devices which are longitudinally arranged in a row, and the front side steel hoop of the rear supporting device in each row of supporting mechanism is the rear side steel hoop of the front supporting device.
3. The sheet pile type soilless roadbed construction device of claim 2, characterized by further comprising a gantry crane and two rails, wherein the two rails are respectively arranged on the ground at the left and right sides of the matrix formed by the plurality of groups of supporting devices, and two ends of the gantry crane are respectively movably arranged on the two rails; two tracks can be detachably arranged on the ground.
4. The sheet pile type soilless roadbed construction device of claim 1, further comprising a beam mechanism, wherein the beam mechanism comprises two winches and a beam, pull ropes of the two winches are respectively connected with two ends of the beam, and the beam is arranged below the longitudinal beam.
5. The sheet pile type soilless roadbed construction device of claim 4, wherein the beam mechanism further comprises two screws and a pull rod seat, the lower ends of the two screws are respectively connected with two ends of the beam, and the pull rod seat is in threaded connection with the screws.
CN202121339406.4U 2021-06-16 2021-06-16 Sheet pile type construction device for soilless roadbed Expired - Fee Related CN215405626U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121339406.4U CN215405626U (en) 2021-06-16 2021-06-16 Sheet pile type construction device for soilless roadbed

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121339406.4U CN215405626U (en) 2021-06-16 2021-06-16 Sheet pile type construction device for soilless roadbed

Publications (1)

Publication Number Publication Date
CN215405626U true CN215405626U (en) 2022-01-04

Family

ID=79639966

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121339406.4U Expired - Fee Related CN215405626U (en) 2021-06-16 2021-06-16 Sheet pile type construction device for soilless roadbed

Country Status (1)

Country Link
CN (1) CN215405626U (en)

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20220104

CF01 Termination of patent right due to non-payment of annual fee