CN113148893A - Hydraulic jacking load-bearing support and mounting method thereof - Google Patents
Hydraulic jacking load-bearing support and mounting method thereof Download PDFInfo
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- CN113148893A CN113148893A CN202110414729.3A CN202110414729A CN113148893A CN 113148893 A CN113148893 A CN 113148893A CN 202110414729 A CN202110414729 A CN 202110414729A CN 113148893 A CN113148893 A CN 113148893A
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- jacking
- support
- section
- sleeve frame
- jacking sleeve
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- 238000000034 method Methods 0.000 title claims abstract description 14
- 229910000831 Steel Inorganic materials 0.000 claims description 29
- 239000010959 steel Substances 0.000 claims description 29
- 238000007599 discharging Methods 0.000 claims description 7
- 239000004576 sand Substances 0.000 claims description 7
- 239000004927 clay Substances 0.000 claims description 3
- 239000011435 rock Substances 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 18
- 239000010720 hydraulic oil Substances 0.000 abstract description 5
- 238000009434 installation Methods 0.000 abstract description 5
- 238000011900 installation process Methods 0.000 abstract description 3
- 230000001360 synchronised effect Effects 0.000 abstract 2
- 230000009194 climbing Effects 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 31
- 239000000725 suspension Substances 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009432 framing Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
- B66F3/46—Combinations of several jacks with means for interrelating lifting or lowering movements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/18—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes
- B66C23/26—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes for use on building sites; constructed, e.g. with separable parts, to facilitate rapid assembly or dismantling, for operation at successively higher levels, for transport by road or rail
- B66C23/28—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes for use on building sites; constructed, e.g. with separable parts, to facilitate rapid assembly or dismantling, for operation at successively higher levels, for transport by road or rail constructed to operate at successively higher levels
- B66C23/283—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes for use on building sites; constructed, e.g. with separable parts, to facilitate rapid assembly or dismantling, for operation at successively higher levels, for transport by road or rail constructed to operate at successively higher levels with frameworks composed of assembled elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
- B66F3/24—Devices, e.g. jacks, adapted for uninterrupted lifting of loads fluid-pressure operated
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Transportation (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention provides a hydraulic jacking bearing support and an installation method thereof, wherein the support comprises 4 towers, each tower is connected up and down by a plurality of support sections, the bottom of each tower is provided with a jacking sleeve frame, the support section at the lowest part is positioned in the jacking sleeve frame, the jacking sleeve frame is provided with hydraulic oil cylinders, and the 4 hydraulic oil cylinders are connected in parallel to an intelligent hydraulic pump station. When the support is installed, the support sections which are connected into a whole through synchronous jacking of the hydraulic oil cylinder are moved into the jacking sleeve frame, and then the support sections are moved into the jacking sleeve frame at each time and connected with the upper section in the jacking sleeve frame, so that synchronous climbing and section adding of the support body are realized. The top bearing beam and the template system are installed and finished when the height of the frame body is the lowest through adding the joints at the bottom, so that the risk of high-altitude operation is reduced; the small-sized equipment such as a simple chain block and a forklift can be used for realizing the joint addition, the investment of large-scale hoisting equipment in the bracket installation process is avoided, and the construction cost can be reduced.
Description
Technical Field
The invention belongs to the technical field of support erection in bridge construction, and particularly relates to a bearing support lifted by a hydraulic oil cylinder and an erection method thereof.
Background
A bearing support bracket needs to be erected in the bridge construction process. Common high and large load-bearing supports mainly comprise full framing scaffolds and large-diameter steel pipe supports. The scaffold can be turned over for a plurality of times, but needs to be erected manually, and is large in workload, time-consuming and labor-consuming; the large-diameter steel pipe support is inconvenient to transfer, the number of times of general transfer is few, manual assistance installation is needed in site operation, a large amount of overhead welding work is accompanied in the installation process, and the safety risk of overhead operation is high.
In order to solve the problems, the structure and the erection method of the existing support are developed towards a modularized and assembled structure, the support is assembled by connecting a plurality of basic sections, the automatic tower crane section adding technology is mature, the erection speed is high, but the tower crane is added from bottom to top in sequence, and finally the support top sand discharging cylinder or the support top steel wedge, the bearing beam, the distribution beam, the template and other bearing structures are erected, so that large-scale hoisting equipment is needed, and the high-altitude operation risk is still high.
Disclosure of Invention
The invention aims to solve the problems of erection of an assembled support of a tower crane, and provides a hydraulic jacking load-bearing support and an installation method thereof, so that the automation degree of support installation is improved, and the construction cost and the construction risk are reduced.
The invention provides a hydraulic jacking bearing support, which comprises 4 towers arranged according to 4 vertexes of a rectangle, a bearing beam is erected between the tops of every two towers, each tower comprises a plurality of support sections which are connected up and down, each section comprises 4 vertical rods arranged according to four vertexes of the rectangle, the upper ends of the 4 vertical rods are connected with cross rods according to 4 edges of the rectangle, and the upper ends of the vertical rods of each section are connected with the lower ends of the vertical rods of the sections at the upper part thereof through bolts, and the hydraulic jacking bearing support is characterized in that: the outer sides of the two vertical rods on one side of each section are welded with lug plates at intervals along the longitudinal direction; the jacking sleeve frame is arranged at the bottom of each tower frame and comprises 4 vertical rods arranged according to 4 vertexes of a rectangle, the lower ends of the 4 vertical rods are supported on a support base, 4 cross beams are welded between the upper ends of the 4 vertical rods according to 4 edges of the rectangle, two horizontal and outwards extending hanging rods are welded at two ends of one cross beam along the direction perpendicular to the cross beam, a jacking oil cylinder is vertically arranged on the other cross beam opposite to the cross beam on which the hanging rods are welded, the lower end of the jacking oil cylinder is connected with the cross beam through a bolt, the upper end of the jacking oil cylinder is connected with a horizontally arranged jacking rod through a pin shaft, and two ends of the jacking rod are respectively provided with a clamping groove; the oil cylinders on the 4 towers are connected in parallel with a hydraulic pump station through oil pipes; the height of the jacking sleeve frame is greater than that of the bracket sections, the lowermost section of each tower frame is positioned in the jacking sleeve frame, and two ear plates on two vertical rods of a section higher than the top of the jacking sleeve frame are respectively inserted into clamping grooves at two ends of a jacking rod on the jacking oil cylinder.
The invention provides a method for installing a hydraulic bearing support, which is characterized by comprising the following steps of:
(1) constructing a support foundation at a preset building position of the support, and fixing the lower end of the vertical rod of the jacking sleeve frame with the support foundation;
(2) firstly, hoisting 2-3 bracket sections into a jacking sleeve frame of each tower frame by using a small crane, and connecting the bracket sections up and down through bolts, wherein the bracket section positioned above is higher than the top of the jacking sleeve frame, and one side of each bracket section provided with an ear plate faces a jacking oil cylinder on the jacking sleeve frame; installing a sand discharging cylinder or a steel discharging wedge on the top section of each tower, and then erecting a bearing beam on the top of each two towers;
(3) connecting the jacking oil cylinders on the 4 jacking sleeve frames in parallel with a hydraulic pump station through oil pipes; adjusting the height of each jacking oil cylinder, and rotating a jacking rod on each jacking oil cylinder to enable two lug plates on the bracket section higher than the top of the jacking sleeve frame to be inserted into two clamping grooves on the jacking rod;
(4) controlling each oil cylinder to lift upwards synchronously, and lifting each support section which is connected into a whole upwards by the height of at least one support section to suspend the section at the lowest part;
(5) hanging a bracket section to be installed on two hanging rods of a jacking sleeve frame through a steel wire rope, then pulling the section to be installed into the jacking sleeve frame by using a chain block, aligning the section to be installed with an upper section, synchronously returning oil by using a jacking oil cylinder to enable the upper section to fall on the section to be installed, and firmly connecting the section to be installed with the upper section through a bolt; the jacking oil cylinder jacks the sections which are connected into a whole at present upwards by the height of at least one section;
(6) and (5) repeating the step repeatedly until the support is jacked and installed to the designed height.
When the support is installed, the joint can be added at the bottom, and the support top bearing and template system is installed in a low altitude, so that high altitude operation is avoided, and safety risk is reduced; the feeding section and the jacking of the support body can be realized by adopting small equipment such as a simple chain block, a forklift and the like, the investment of large-scale hoisting equipment in the installation process of the support is avoided, the construction cost is reduced, the purposes of low risk, rapidness and automation of construction are realized, the quick assembly and disassembly are realized, the transition is convenient, the high turnover rate of the support material is ensured, and the standardized construction level is improved.
Drawings
FIG. 1 is a schematic view of the overall structure of the stent of the present invention;
FIG. 2 is a schematic structural view of a stent segment;
FIG. 3 is a schematic view of the structure of the jacking-up trestle and its fixing on the concrete foundation;
FIG. 4 is a schematic view of the structure of the jacking sleeve frame and the structure of the jacking sleeve frame fixed on the foundation of the steel pipe pile;
FIG. 5 is a schematic view of a jacking sleeve mount and jacking leg segment in position;
fig. 6 is a schematic view of the overall jacking and mounting manner of the bracket of the invention.
Detailed Description
As shown in fig. 1, the hydraulic jacking bearing support comprises 4 towers 1 arranged according to 4 vertexes of a rectangle, a bearing beam 2 is erected between the tops of every two towers, and each tower comprises a plurality of support sections 3 which are connected up and down;
the structure of each support section 3 is shown in fig. 2, and comprises 4 vertical rods 31 arranged at four vertexes of a rectangle, the upper ends of the 4 vertical rods are connected with cross rods 32 according to 4 sides of the rectangle, the upper end of each vertical rod of each section is connected with the lower end of the vertical rod of the section at the upper part thereof through bolts, and the outer sides of the two vertical rods at one side of each section are welded with lug plates 33 at intervals along the longitudinal direction;
the bottom of each tower is provided with a jacking sleeve frame 4, the structure of the jacking sleeve frame 4 is shown in fig. 3 and 4, and comprises 4 vertical rods 41 arranged at 4 vertexes of a rectangle, the lower ends of the 4 vertical rods are supported on a support foundation 5, 4 cross beams 42 are welded between the upper ends of the 4 vertical rods according to 4 edges of the rectangle, two horizontal outwards-extending suspension rods 43 are welded at two ends of one cross beam along the direction vertical to the cross beam, a jacking oil cylinder 6 is vertically arranged on the other cross beam opposite to the cross beam on which the suspension rods are welded, the lower end of the jacking oil cylinder is connected with the cross beam through bolts, the upper end of the jacking oil cylinder is connected with a horizontally-arranged jacking rod 7 through a pin shaft, and two ends of the jacking rod are respectively provided with a clamping groove; the oil cylinders on the 4 towers are connected in parallel with a hydraulic pump station 8 through oil pipes;
the height of the jacking sleeve frame 4 is larger than that of one support section 3, the lowermost section of each tower frame is positioned in the jacking sleeve frame, and two ear plates 33 on two vertical rods of one section higher than the top of the jacking sleeve frame are respectively inserted into clamping grooves at two ends of a jacking rod on a jacking oil cylinder.
According to the structure, when the jacking oil cylinder jacks upwards, the plurality of support sections which are connected into a whole can be jacked upwards.
When the jacking sleeve frame is implemented, 2 rollers 44 can be respectively arranged on two sides of 4 corners in the jacking sleeve frame 4, the outer sides of 4 vertical rods of the support sections positioned in the jacking sleeve frame respectively abut against the rollers at the 4 corners in the jacking sleeve frame, the support sections can slide upwards along the rollers when being jacked upwards, and the support sections can be kept vertical when sliding upwards.
As shown in fig. 3, as an embodiment, the support foundation 5 may adopt a concrete enlarged foundation under the condition of a rock stratum address, and the lower ends of the 4 vertical rods 41 of the jacking sleeve frame are embedded in the concrete foundation.
As shown in fig. 4, as another embodiment, the support foundation 5 may adopt a steel pipe pile foundation in a region having steel pipe pile construction conditions such as a sand layer, a clay layer, and the like, and includes 4 steel pipe piles 51 driven into the ground to a certain depth, two bottom beams 52 are arranged on the tops of the 4 steel pipe piles in a crisscross manner, and both ends of the bottom of each bottom beam are connected with the tops of the two steel pipe piles through flanges; the lower ends of the 4 vertical rods 41 of the jacking sleeve frame are welded on the two bottom beams 52.
In order to ensure the stability of the high-altitude structure, a parallel connection system 9 can be arranged at a certain height between 4 towers.
The mounting method of the hydraulic load-bearing support provided by the invention during specific construction is carried out according to the following steps:
(1) and constructing a support foundation at a preset erection position of the support, and fixing the lower end of the vertical rod of the jacking sleeve frame with the support foundation.
The support foundation can adopt different structures and construction modes according to different geological conditions:
as shown in fig. 3, under the geological condition that the earth surface of the support erection area is a hard rock stratum, the support foundation 5 can be a concrete enlarged foundation, and when pouring foundation concrete, the lower ends of the vertical rods 41 of the jacking sleeve frame 4 are embedded into the concrete foundation.
As shown in fig. 4, under the geological condition that the earth surface of the support erection region is a sand layer and a clay layer, the support foundation 5 can be a steel pipe pile foundation, 4 steel pipe piles 51 are driven into the ground during construction, two criss-cross bottom beams 52 are arranged at the tops of the 4 steel pipe piles, the bottoms of the two ends of each bottom beam are connected with the tops of the two steel pipe piles through flanges, and the lower ends of the vertical rods 41 of the jacking sleeve frame 4 are welded with the two bottom beams. The steel pipe pile foundation has the advantages that after construction is completed and the support is dismantled, the steel pipe pile can be pulled out, and the foundation and the support body can be recycled by 100%.
(2) As shown in fig. 5 and 6, 2-3 bracket sections 3 are hoisted into the jacking sleeve frame 4 of each tower frame by a small crane, and are connected up and down by bolts, wherein the bracket section positioned above is higher than the top of the jacking sleeve frame, and one side of each bracket section provided with an ear plate faces to a jacking oil cylinder on the jacking sleeve frame; and installing a sand discharging cylinder or a steel discharging wedge on the top section of each tower, and then erecting upper bearing structures such as a bearing beam 2, a distribution beam, a template and the like on the top of each two towers.
The bearing structure at the top of the support is installed at low altitude, so that the construction quality can be ensured, and the construction risk is reduced.
(3) Connecting the jacking oil cylinders on the 4 jacking sleeve frames in parallel with the hydraulic pump station 8 through oil pipes; and adjusting the height of each jacking oil cylinder, forward rotating a jacking rod 7 on the jacking oil cylinder 6, and inserting two lug plates on the bracket section higher than the top of the jacking sleeve frame into two clamping grooves on the jacking rod.
(4) And controlling the oil cylinders to synchronously lift upwards, and lifting the support sections which are connected into a whole upwards by the height of at least one support section to suspend the section positioned at the lowest part, so that a space capable of accommodating one support section is formed in the lifting sleeve frame.
(5) Hanging a bracket section 3 to be installed on two hanging rods 43 of a jacking sleeve frame through a steel wire rope, then pulling the section to be installed into the jacking sleeve frame by using a chain block, aligning the section to be installed with an upper section, synchronously returning oil by using a jacking oil cylinder to enable the upper section to fall on the section to be installed, and firmly connecting the section to be installed with the upper section through bolts; and then the jacking oil cylinder jacks the sections which are connected into a whole up by the height of at least one section.
(6) And (5) repeating the step repeatedly until the support is jacked and installed to the designed height.
In order to ensure that the support sections can keep a vertical state when ascending, 2 rollers can be respectively arranged on two sides of 4 corners in each jacking sleeve frame, the outer sides of 4 vertical rods of the support sections in the jacking sleeve frames respectively abut against the rollers at the 4 corners in the jacking sleeve frames, when the support sections ascend in the sleeve frames, the vertical rods slide along the pulleys, and the pulleys have limiting and guiding functions.
In order to ensure the stability of the support at high altitude, when the support is installed at a certain height, a parallel connection system can be arranged among 4 towers, and then the support is continuously jacked upwards to install the support. The parallel connection system is also installed at a low position, so that construction is convenient, and high-altitude construction risks are avoided.
After the construction is finished and the supports are disassembled, the hydraulic oil cylinders are controlled to descend synchronously according to the reverse order of the support installation, and one support section is disassembled in the jacking sleeve frame and moved out of the jacking sleeve frame each time.
Claims (10)
1. The utility model provides a hydraulic pressure jacking bearing support, includes 4 towers that lay according to 4 summits of rectangle, has set up the spandrel girder between per two tower tops, and every tower includes a plurality of support segments of connecting from top to bottom, and every segment includes 4 montants that set up according to four summits of rectangle, and 4 montant upper ends are connected with the horizontal pole according to 4 limits of rectangle, pass through bolted connection, its characterized in that between the montant upper end of every segment and the montant lower extreme of its upper portion segment: the outer sides of the two vertical rods on one side of each section are welded with lug plates at intervals along the longitudinal direction; the jacking sleeve frame is arranged at the bottom of each tower frame and comprises 4 vertical rods arranged according to 4 vertexes of a rectangle, the lower ends of the 4 vertical rods are supported on a support base, 4 cross beams are welded between the upper ends of the 4 vertical rods according to 4 edges of the rectangle, two horizontal and outwards extending hanging rods are welded at two ends of one cross beam along the direction perpendicular to the cross beam, a jacking oil cylinder is vertically arranged on the other cross beam opposite to the cross beam on which the hanging rods are welded, the lower end of the jacking oil cylinder is connected with the cross beam through a bolt, the upper end of the jacking oil cylinder is connected with a horizontally arranged jacking rod through a pin shaft, and two ends of the jacking rod are respectively provided with a clamping groove; the oil cylinders on the 4 towers are connected in parallel with a hydraulic pump station through oil pipes; the height of the jacking sleeve frame is greater than that of the bracket sections, the lowermost section of each tower frame is positioned in the jacking sleeve frame, and two ear plates on two vertical rods of a section higher than the top of the jacking sleeve frame are respectively inserted into clamping grooves at two ends of a jacking rod on the jacking oil cylinder.
2. The hydraulic jacking load-bearing support of claim 1, wherein: two sides of 4 corners in the jacking sleeve frame are respectively provided with 2 rollers, and the outer sides of 4 vertical rods of the bracket sections in the jacking sleeve frame are respectively abutted against the rollers at the 4 corners in the jacking sleeve frame.
3. The hydraulic jacking load-bearing support of claim 1, wherein: the support foundation is a concrete enlarged foundation, and the lower ends of 4 vertical rods of the jacking sleeve frame are embedded in the concrete foundation.
4. The hydraulic jacking load-bearing support of claim 1, wherein: the support foundation is a steel pipe pile foundation and comprises 4 steel pipe piles driven into the ground to a certain depth, two bottom beams are arranged at the tops of the 4 steel pipe piles in a cross mode, and two ends of the bottom of each bottom beam are connected with the tops of the two steel pipe piles through flanges; the lower ends of 4 vertical rods of the jacking sleeve frame are welded on the two bottom beams.
5. The hydraulic jacking load-bearing support of claim 1, wherein: a parallel connection system is arranged between the 4 towers at a certain height.
6. A method of installing a hydraulic load bearing support according to claim 1, comprising the steps of:
(1) constructing a support foundation at a preset building position of the support, and fixing the lower end of the vertical rod of the jacking sleeve frame with the support foundation;
(2) firstly, hoisting 2-3 bracket sections into a jacking sleeve frame of each tower frame by using a small crane, and connecting the bracket sections up and down through bolts, wherein the bracket section positioned above is higher than the top of the jacking sleeve frame, and one side of each bracket section provided with an ear plate faces a jacking oil cylinder on the jacking sleeve frame; installing a sand discharging cylinder or a steel discharging wedge on the top section of each tower, and then erecting a bearing beam on the top of each two towers;
(3) connecting the jacking oil cylinders on the 4 jacking sleeve frames in parallel with a hydraulic pump station through oil pipes; adjusting the height of each jacking oil cylinder, and rotating a jacking rod on each jacking oil cylinder to enable two lug plates on the bracket section higher than the top of the jacking sleeve frame to be inserted into two clamping grooves on the jacking rod;
(4) controlling each oil cylinder to lift upwards synchronously, and lifting each support section which is connected into a whole upwards by the height of at least one support section to suspend the section at the lowest part;
(5) hanging a bracket section to be installed on two hanging rods of a jacking sleeve frame through a steel wire rope, then pulling the section to be installed into the jacking sleeve frame by using a chain block, aligning the section to be installed with an upper section, synchronously returning oil by using a jacking oil cylinder to enable the upper section to fall on the section to be installed, and firmly connecting the section to be installed with the upper section through a bolt; the jacking oil cylinder jacks the sections which are connected into a whole at present upwards by the height of at least one section;
(6) and (5) repeating the step repeatedly until the support is jacked and installed to the designed height.
7. The method of installing a hydraulic load bearing support according to claim 6, wherein: two sides of 4 corners in each jacking sleeve frame are respectively provided with 2 rollers, the outer sides of 4 vertical rods of the support sections positioned in the jacking sleeve frames respectively abut against the rollers at the 4 corners in the jacking sleeve frames, and when the support sections ascend in the sleeve frames, the vertical rods slide along the pulleys.
8. The method of installing a hydraulic load bearing support according to claim 6, wherein: under the geological condition that the earth surface of the support building area is a hard rock stratum, the support foundation is poured by adopting concrete, and the lower end of the vertical rod of the jacking sleeve frame is embedded into the concrete foundation.
9. The method of installing a hydraulic load bearing support according to claim 6, wherein: under the geological condition that the earth surface of a support erection area is a sand layer and a clay layer, the support foundation is a steel pipe pile foundation, 4 steel pipe piles are driven underground firstly, two crossed bottom beams are arranged at the tops of the 4 steel pipe piles, the bottoms of the two ends of each bottom beam are connected with the tops of the two steel pipe piles through flange plates, and the lower ends of 4 vertical rods of the jacking sleeve frame are welded with the two bottom beams.
10. The method of installing a hydraulic load bearing support according to claim 6, wherein: when the support is installed at a certain height, a parallel connection system is arranged among the 4 towers, and then the support is continuously lifted upwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202110414729.3A CN113148893A (en) | 2021-04-17 | 2021-04-17 | Hydraulic jacking load-bearing support and mounting method thereof |
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| CN202110414729.3A CN113148893A (en) | 2021-04-17 | 2021-04-17 | Hydraulic jacking load-bearing support and mounting method thereof |
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| CN113148893A true CN113148893A (en) | 2021-07-23 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114808714A (en) * | 2022-04-25 | 2022-07-29 | 北京五洲鼎盛科技有限公司 | Assembled support and intelligent hydraulic jacking type installation method thereof |
| CN114835012A (en) * | 2022-04-23 | 2022-08-02 | 中煤第三建设集团机电安装工程有限责任公司 | Self-jacking novel assembly type door-type mast |
| CN115123943A (en) * | 2022-08-05 | 2022-09-30 | 徐州建机工程机械有限公司 | A kind of installation method of hydraulic cylinder of large tower crane |
| CN115506588A (en) * | 2022-10-25 | 2022-12-23 | 四川路桥桥梁工程有限责任公司 | Intelligent integrated lifting support |
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| KR101659250B1 (en) * | 2016-03-21 | 2016-09-22 | 이경한 | Bridge pc beam rising device for bridge bearing change |
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| CN111501562A (en) * | 2020-04-21 | 2020-08-07 | 中交一公局集团有限公司 | A formwork separation and lifting system for a cable tower operating platform |
| CN215160567U (en) * | 2021-04-17 | 2021-12-14 | 中交路桥建设有限公司 | Hydraulic jacking bearing support |
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| CN114808714B (en) * | 2022-04-25 | 2024-01-30 | 北京五洲鼎盛科技有限公司 | Assembled bracket and intelligent hydraulic jacking type mounting method thereof |
| CN115123943A (en) * | 2022-08-05 | 2022-09-30 | 徐州建机工程机械有限公司 | A kind of installation method of hydraulic cylinder of large tower crane |
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Application publication date: 20210723 |