CN218208114U - Variable angle push bench jack leans on steel box behind - Google Patents
Variable angle push bench jack leans on steel box behind Download PDFInfo
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- CN218208114U CN218208114U CN202221595485.XU CN202221595485U CN218208114U CN 218208114 U CN218208114 U CN 218208114U CN 202221595485 U CN202221595485 U CN 202221595485U CN 218208114 U CN218208114 U CN 218208114U
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Abstract
The utility model belongs to the technical field of push bench jack rear-leaning steel boxes, in particular to a variable-angle push bench jack rear-leaning steel box, which can meet the stress requirement of jacking construction aiming at the maintenance time required by cast-in-place concrete, thereby influencing the construction period of the push bench construction, leading the cast-in-place reinforced concrete rear-leaning to be not reusable, leading to inconvenient dismantling after the use is completed and causing the waste problem, and proposing the following proposal which comprises front and rear vertical steel boxes and a hydraulic telescopic supporting system along the jacking direction; the braced system is including the scalable support of three flowing back pressures that set up side by side, and every flowing back presses scalable support to be 4, evenly distributed around between the vertical steel box, the front end of support and the connected form of preceding vertical steel box are articulated, and rotatable angle is 90. The utility model discloses can be applicable to the construction of advancing in the well is originated to multiple trapezoid, and repeatedly usable has reduced engineering cost.
Description
Technical Field
The utility model relates to a push bench jack leans on steel box technical field behind, especially relates to a lean on steel box behind variable angle push bench jack.
Background
When the pipe jacking engineering is applied to underground engineering construction of shallow soil covering of subway entrances and exits and tunnel underpass urban roads and the like, the conditions that earth surface buildings are dense and underground pipelines are complex often occur, in order to meet the construction requirements, part of pipe jacking starting wells are designed to be irregular shapes, so that the rear wall and the jacking direction of the pipe jacking are not perpendicular, the angle of the rear wall is reasonably adjusted, and the condition and the foundation that the pipe jacking machine jacks smoothly are provided.
At present, a concrete cast-in-place jack is often used for adjusting the angle between a rear wall and a jacking direction to be vertical on a construction site.
The cast-in-place concrete needs to be maintained for a long time to meet the stress requirement of jacking construction, so that the construction period of the jacking pipe construction is influenced, the cast-in-place reinforced concrete cannot be reused, and the cast-in-place reinforced concrete is inconvenient to dismantle after being used, thereby causing waste.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving cast-in-place concrete and need the maintenance time to reach the atress requirement that can satisfy the construction of advancing in the top, this has just led to the fact the influence to the time limit for a project of ejector sleeve construction, depends on repeatedly not used behind the cast-in-place reinforced concrete, uses to accomplish the back inconvenient demolish, has caused extravagant shortcoming, and the variable angle push bench jack that proposes leans on the steel box behind the jack.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a variable-angle push bench jack rear-leaning steel box comprises a front vertical steel box, a rear vertical steel box and a hydraulic telescopic supporting system, wherein the front vertical steel box and the rear vertical steel box comprise a front vertical steel box and a rear vertical steel box; scalable braced system of hydraulic pressure is including the scalable support of three flowing back pressures that set up side by side, every row scalable support of hydraulic pressure is 4, evenly distributed around between the vertical steel box, the front end of the scalable support of hydraulic pressure is articulated with the connected form of preceding vertical steel box, and rotatable angle is 90, the rear end of the scalable support of hydraulic pressure is rigid connection with the connected form of back vertical steel box.
Preferably, the rear vertical steel box is provided with a vertical steel box and well wall fixing interface, and the vertical steel box and well wall fixing interface is provided with a bolt hole; and the rear vertical steel box is installed by matching bolts and bolt holes to fix the embedded part on the rear wall.
Preferably, the bottom of the front vertical steel box is provided with a lockable rotating pulley; the lockable rotating pulley can slide on the guide rail.
Preferably, the bottom of the hydraulic telescopic support is connected with a rear end rigid joint fixing support of the hydraulic telescopic support, and the hydraulic telescopic support is connected with the rear vertical steel box through the rear end rigid joint fixing support of the hydraulic telescopic support; the output end of the hydraulic telescopic support is connected with a hydraulic telescopic support front end hinge support, and the hydraulic telescopic support is connected with a front vertical rigid box through the hydraulic telescopic support front end hinge support.
Preferably, be provided with the pivoted bearing that can lock on the scalable support front end hinge support of hydraulic pressure, the back leans on the steel box hoist and mount to go into the well after, and the scalable support front end of hydraulic pressure is connected through the pivoted bearing that can lock and the articulated interface in vertical steel box back in front, and the rear end carries out rigid connection through high strength bolt and the vertical steel box front spiral hole in back and fixes.
Preferably, hoisting holes are formed in the top of each of the front vertical steel box and the rear vertical steel box; the steel box is conveniently hoisted and lowered into the well, and the hinged connector is arranged on the back face of the front vertical steel box.
The utility model discloses in, lean on beneficial effect of steel box behind variable angle pipe pushing jack:
the hydraulic telescopic supporting system capable of adjusting different angles can meet the installation requirements of jacking systems of jacks of pipe push benches at various different angles;
the control unit can drive the whole hydraulic telescopic supporting system to control the front vertical steel box to rotate at an unknown angle, so that the operation is simplified, and the use is more convenient;
according to the scheme, after the bearing drives the support to enable the front vertical steel box to rotate to a certain angle, the shaft shoulder of the inner ring of the bearing is fixed with the locking nut, and the locking washer is added to prevent looseness, so that the bearing is safe and reliable and can be suitable for heavy-load occasions;
by the steel box system behind this whole variable angle pipe pushing jack of scheme, the simple installation, repeatedly usable makes the construction more high-efficient moreover, and the cost is more controllable.
The utility model discloses can be applicable to the construction of advancing in the well is originated to multiple trapezoid, and repeatedly usable has reduced engineering cost.
Drawings
FIG. 1 is a top view of a variable angle push bench jack reclining steel box of the present invention;
FIG. 2 is a side view of the variable angle pipe push bench jack reclining steel box of the present invention;
FIG. 3 is a top view of the variable angle push bench jack in the working state of the steel box;
fig. 4 is a top view of the hydraulic telescopic support of the present invention;
fig. 5 is a side view of the hydraulic telescoping support of the present invention;
FIG. 6 is a front view of the front vertical steel box of the present invention;
fig. 7 is a front view of the rear vertical steel box of the present invention.
In the figure: 1. a front vertical steel box; 2. a rear vertical steel box; 3. hydraulic telescopic support; 4. hoisting holes; 5. the vertical steel box is fixedly connected with the well wall; 6. the rotating pulley can be locked; 7. the front end hinge support is supported in a hydraulic telescopic mode; 8. the rotating bearing can be locked; 9. a hydraulic telescopic arm; 10. the hydraulic telescopic support rear end rigid joint fixing support is arranged; 11. bolt holes.
Detailed Description
The technical solutions in the embodiments will be described clearly and completely with reference to the drawings in the embodiments, and it is obvious that the described embodiments are only a part of the embodiments, but not all embodiments.
Referring to fig. 1-7, the variable-angle push bench jack reclining steel box comprises a front vertical steel box and a rear vertical steel box and a hydraulic telescopic supporting system, wherein the front vertical steel box and the rear vertical steel box comprise a front vertical steel box 1 and a rear vertical steel box 2; scalable braced system of hydraulic pressure is including the scalable support 3 of three flowing back pressures that set up side by side, every row scalable support 3 of hydraulic pressure is 4, evenly distributed around between the vertical steel box, the front end of the scalable support 3 of hydraulic pressure is articulated with the connected form of preceding vertical steel box 1, and rotatable angle is 90, and the scalable rear end that supports 3 of hydraulic pressure is rigid coupling with the connected form of the vertical steel box 2 in back, and the vertical steel box is flat cuboid box around, and the vertical steel box is the steel sheet around, adopts H shaped steel as the support in the centre, adopts welded connection between the H shaped steel and between the steel sheet.
In the embodiment, the rear vertical steel box 2 is provided with a vertical steel box and well wall fixing interface 5, and the vertical steel box and well wall fixing interface 5 is provided with a bolt hole 11; and the rear vertical steel box 2 is installed by matching bolts with the bolt holes 11 to fix the embedded parts on the rear wall.
In this embodiment, the bottom of the front vertical steel box 1 is provided with a lockable rotating pulley 6; the lockable rotating pulley 6 can slide on the guide rail.
In the embodiment, the bottom of the hydraulic telescopic support 3 is connected with a hydraulic telescopic support rear-end rigid joint fixing support 10, and the hydraulic telescopic support 3 is connected with the rear vertical steel box 2 through the hydraulic telescopic support rear-end rigid joint fixing support 10; the output end of the hydraulic telescopic support 3 is connected with a hydraulic telescopic support front end hinge support 7, and the hydraulic telescopic support 3 is connected with the front vertical rigid box 1 through the hydraulic telescopic support front end hinge support 7.
In this embodiment, be provided with lockable rolling bearing 8 on the scalable support front end hinge support 7 of hydraulic pressure, lean on the steel box hoist and mount back to the pit around, the scalable support 3 front ends of hydraulic pressure is connected through lockable rolling bearing 8 and preceding vertical steel box 1 back articulated interface, and the rear end carries out rigid connection through high strength bolt and back vertical steel box 2 positive spiral hole and fixes.
In the embodiment, the top parts of the front vertical steel box 1 and the rear vertical steel box 2 are both provided with hoisting holes 4; the steel box is conveniently hoisted and lowered into the well, and the hinged connector is arranged on the back face of the front vertical steel box 1.
In this embodiment, the lockable rotating pulley 6 below the front vertical steel box 1 can slide back and forth on the pipe-jacking guide rail and can rotate, the angle of the front vertical steel box is adjusted according to construction requirements, and the limiting device is installed after the angle is adjusted, so that the pulley is fixed and does not slide or rotate any more.
In this embodiment, the fixed plate that the steel sheet was made can stretch out to the both sides and the top of back vertical steel box 2, sets up the bolt hole on the fixed plate, can adopt bolted connection with the built-in fitting that leans on the wall after, plays the effect of fixed back vertical steel box, and fixing device is convenient for demolish, can used repeatedly moreover.
In the embodiment, by adopting the technical scheme, the front end of the hydraulic telescopic support 3 is hinged with the front vertical steel box 1 through a hinged shaft and can rotate in a horizontal plane, when the rear wall is vertical to the jacking direction, the hydraulic telescopic support 3 is in a retracted state, and the front vertical steel box 1 and the rear vertical steel box 2 are in parallel positions; lean on the wall when out of plumb with the advancing direction after, but hydraulic pressure telescopic support system starts, adjust every 4 supports of row evenly distributed and reach different length, vertical steel box 1 produces the rotation before making through every bearing that supports the articulated department of front end to 1 outside panel of vertical steel box is in the vertical position with the advancing direction before reaching, and the shaft shoulder and the lock nut that use the bearing inner circle realize fixing, install the jack in the vertical steel box outside in the front this moment, can begin the advancing construction.
By adopting the technical scheme, the hydraulic telescopic supporting system comprises 3 rows of supports, 4 supports are uniformly distributed in each row, 12 supports and 12 oil cylinders are counted, the hydraulic telescopic supports 3 are driven by one control unit, the operation is convenient, and the work cooperativity of the hydraulic telescopic supporting system is improved.
In this embodiment, scalable braced system carries out oil pressure regulation control by same the control unit, make 12 supports among the scalable braced system of hydraulic pressure can the collaborative work, the rotation of vertical steel box before the control, through adopting above-mentioned technical scheme, all supports of the scalable braced system of hydraulic pressure shrink back to original condition after the construction is accomplished in the top, and demolish in proper order, back hoist and mount are gone out the well, repeatedly usable in follow-up similar pipe jacking engineering, all structures in this application all can carry out the selection of material and length according to the in-service use condition, the drawing is the schematic structure chart, concrete actual dimensions can make suitable adjustment.
The above descriptions are only preferred embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to or changed within the scope of the present invention.
Claims (7)
1. A variable angle push bench jack reclining steel box comprises a front vertical steel box, a rear vertical steel box and a hydraulic telescopic supporting system, and is characterized in that the front vertical steel box and the rear vertical steel box comprise a front vertical steel box (1) and a rear vertical steel box (2); scalable braced system of hydraulic pressure is including the scalable support of three flowing back pressures (3) that set up side by side, every row scalable support of hydraulic pressure (3) be four and evenly distributed around between the vertical steel box, the front end of the scalable support of hydraulic pressure (3) is articulated with the connected form of preceding vertical steel box (1), the rear end of the scalable support of hydraulic pressure (3) is rigid coupling with the connected form of back vertical steel box (2).
2. The variable angle push bench jack reclining steel box according to claim 1, wherein a vertical steel box and well wall fixing interface (5) is arranged on the rear vertical steel box (2), and a bolt hole (11) is formed in the vertical steel box and well wall fixing interface (5).
3. The variable angle push bench jack reclining steel box according to claim 1, wherein the bottom of said front vertical steel box (1) is provided with a lockable rotating pulley (6).
4. The variable-angle push bench jack reclining steel box according to claim 1, wherein the bottom of the hydraulic telescopic support (3) is connected with a rear rigid joint fixing support (10) of the hydraulic telescopic support, and the hydraulic telescopic support (3) is connected with the rear vertical steel box (2) through the rear rigid joint fixing support (10) of the hydraulic telescopic support.
5. The variable angle push bench jack reclining steel box according to claim 1, wherein the output end of the hydraulic telescopic support (3) is connected with a hydraulic telescopic support front end hinge support (7), and the hydraulic telescopic support (3) is connected with the front vertical steel box (1) through the hydraulic telescopic support front end hinge support (7).
6. The variable angle push bench jack reclining steel box according to claim 5, wherein said hydraulic telescopic support front end hinge support (7) is provided with a lockable rotation bearing (8).
7. The variable-angle pipe jacking machine jack reclining steel box according to claim 1, wherein the front vertical steel box (1) and the rear vertical steel box (2) are both provided with lifting holes (4) at the tops, and the back of the front vertical steel box (1) is provided with a hinged connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221595485.XU CN218208114U (en) | 2022-06-23 | 2022-06-23 | Variable angle push bench jack leans on steel box behind |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221595485.XU CN218208114U (en) | 2022-06-23 | 2022-06-23 | Variable angle push bench jack leans on steel box behind |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218208114U true CN218208114U (en) | 2023-01-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221595485.XU Active CN218208114U (en) | 2022-06-23 | 2022-06-23 | Variable angle push bench jack leans on steel box behind |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218208114U (en) |
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2022
- 2022-06-23 CN CN202221595485.XU patent/CN218208114U/en active Active
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