CN216194112U - High-efficient top pushes away system device - Google Patents
High-efficient top pushes away system device Download PDFInfo
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- CN216194112U CN216194112U CN202122464643.XU CN202122464643U CN216194112U CN 216194112 U CN216194112 U CN 216194112U CN 202122464643 U CN202122464643 U CN 202122464643U CN 216194112 U CN216194112 U CN 216194112U
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- fine adjustment
- jacking
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- 239000010720 hydraulic oil Substances 0.000 claims abstract description 11
- 239000003921 oil Substances 0.000 claims description 5
- 230000000712 assembly Effects 0.000 claims description 4
- 238000000429 assembly Methods 0.000 claims description 4
- -1 polytetrafluoroethylene Polymers 0.000 claims description 4
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 4
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 8
- 229910000831 Steel Inorganic materials 0.000 description 9
- 239000010959 steel Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 230000036544 posture Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model belongs to the technical field of bridge erection construction, and discloses an efficient pushing system device which comprises a hydraulic clamp holder, a horizontal pushing hydraulic cylinder, a second connecting pin shaft, a heavy-load roller trolley, a three-dimensional fine adjustment assembly and a servo hydraulic system, wherein the hydraulic clamp holder, the horizontal pushing hydraulic cylinder, the heavy-load roller trolley and the three-dimensional fine adjustment assembly are connected with the servo hydraulic system through hydraulic oil paths; the hydraulic clamp holder connects the horizontal pushing hydraulic cylinder and the heavy-duty roller trolley into a whole through a second connecting pin shaft; the three-dimensional fine adjustment assembly is placed on the upper plane of the heavy-duty roller trolley. The utility model reduces the distribution quantity of heavy-load roller trolleys, quickly and accurately adjusts the direction through the three-dimensional fine adjustment assembly, does not influence the traffic under the bridge during the pushing construction, does not need large-scale hoisting equipment and does not have high-altitude operation, and is particularly suitable for the construction of super-large span bridges, long-line approach bridges or flyover crossing and river crossing of urban bridges.
Description
Technical Field
The utility model belongs to the technical field of bridge erection construction, and particularly relates to a high-efficiency pushing system device.
Background
When the existing whole bridge is pushed along the designated direction, the rear fixed point adopts a pin shaft hole aligning mode to fixedly push the hydraulic cylinder, each time the hydraulic cylinder is in place in stroke, the hydraulic cylinder needs to be repeatedly operated to correspond to the hydraulic valve and the rail mounting hole, the time is too long, and the self strength of the rail is greatly damaged; the pushing sliding trolley has small bearing capacity, a plurality of bearing trolleys are required to be distributed, and construction fragmentary errors are too large; the horizontal height and the support line degree of the whole bridge relative to the design value need to be adjusted by an independent hydraulic cylinder, the controllability difficulty is high, and the adjustment precision error is large.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an efficient pushing system device to solve the existing problems.
In order to achieve the purpose, the utility model provides the following technical scheme: a high-efficiency pushing system device comprises a hydraulic clamp holder, a horizontal pushing hydraulic cylinder, a second connecting pin shaft, a heavy-load roller trolley, a three-dimensional fine adjustment assembly and a servo hydraulic system, wherein the hydraulic clamp holder, the horizontal pushing hydraulic cylinder, the heavy-load roller trolley and the three-dimensional fine adjustment assembly are connected with the servo hydraulic system through hydraulic oil paths; the hydraulic clamp holder connects the horizontal pushing hydraulic cylinder and the heavy-duty roller trolley into a whole through a second connecting pin shaft; the three-dimensional fine adjustment assembly is placed on the upper plane of the heavy-duty roller trolley.
Preferably, the hydraulic clamp holder comprises a frame body, a hydraulic cylinder, a first connecting pin shaft, a jaw foot and a connecting bolt assembly, and the mounting hole of the hydraulic cylinder, the hole of the frame body and the hole of the jaw foot are connected through the connecting bolt assembly.
Preferably, the horizontal pushing hydraulic cylinder comprises a hydraulic cylinder body, a hydraulic piston rod, a combined sealing element and a sensor, and the sensor is mounted at the end of the inner side of the hydraulic cylinder body.
Preferably, the heavy-load roller trolley comprises a trolley body frame, three roller chain assemblies and a guide wheel assembly, wherein the three roller chain assemblies are arranged at the same interval; the vehicle body frame comprises an upper panel, a side plate, a drag chain plate and a guide wheel mounting plate, wherein the drag chain plate is arranged in an elliptical hole of the side plate.
Preferably, the three-dimensional fine adjustment assembly comprises a traversing hydraulic cylinder, a fixed frame, a spherical arc template, a jacking hydraulic cylinder, a high-strength polytetrafluoroethylene sheet and a traversing hydraulic cylinder connecting pin, wherein the spherical arc template is arranged in a piston rod ball socket of the jacking hydraulic cylinder, the traversing hydraulic cylinder is connected with a jacking hydraulic cylinder pin shaft mounting hole through the traversing hydraulic cylinder connecting pin, and the traversing hydraulic cylinder is used for aligning the direction of a jacked object.
Preferably, the servo hydraulic system comprises a high-pressure variable pump, a driving motor, a hydraulic control one-way valve accessory, a servo overflow valve and a multi-path electromagnetic directional valve;
the driving motor is used for driving the high-pressure variable pump to output high-pressure oil to the multi-path electromagnetic directional valve;
and the output end of the multi-path electromagnetic directional valve is respectively connected with a horizontal pushing hydraulic cylinder, a transverse moving hydraulic cylinder and a jacking hydraulic cylinder.
Compared with the prior art, the utility model has the following beneficial effects: the utility model reduces the distribution quantity of heavy-load roller trolleys, quickly and accurately adjusts the direction through the three-dimensional fine adjustment assembly, does not influence the traffic under the bridge during the pushing construction, does not need large-scale hoisting equipment and does not have high-altitude operation, and is particularly suitable for the construction of super-large span bridges, long-line approach bridges or flyover crossing and river crossing of urban bridges.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a left side view of the hydraulic clamp of FIG. 1 according to the present invention;
FIG. 3 is a top view of the hydraulic clamp of FIG. 1 according to the present invention;
FIG. 4 is a cross-sectional view of the horizontal pushing and transferring hydraulic cylinder of FIG. 1 according to the present invention;
FIG. 5 is a cross-sectional view of one of the heavy duty roller carts of FIG. 1 in accordance with the present invention;
FIG. 6 is a top view of the present invention of FIG. 5;
FIG. 7 is a schematic view of the guide wheel assembly shown disassembled in FIG. 5 according to the present invention;
FIG. 8 is a schematic view of the guide wheel assembly of FIG. 6 shown disassembled in accordance with the present invention;
FIG. 9 is a cross-sectional view of the three-dimensional precision adjustment assembly of FIG. 1 in accordance with the present invention;
FIG. 10 is a top view of the three-dimensional precision adjustment assembly of FIG. 1 in accordance with the present invention;
FIG. 11 is a hydraulic schematic of the servo hydraulic system of FIG. 1 according to the present invention;
in the figure: 1. a hydraulic clamp holder; 11. a frame body; 12. a hydraulic cylinder; 13. a first connecting pin shaft; 14. a claw foot; 15. a connecting bolt assembly; 2. a horizontal pushing hydraulic cylinder; 21. a hydraulic cylinder block; 22. a hydraulic piston rod; 23. a composite seal; 24. a sensor; 3. a second connecting pin shaft; 4. a heavy-duty roller trolley; 41. a vehicle body frame; 411. an upper panel; 412. a side plate; 413. drag the link joint; 414. a guide wheel mounting plate; 42. a roller chain assembly; 43. a guide wheel assembly; 5. a three-dimensional fine adjustment assembly; 511. a hydraulic cylinder is transversely moved; 512. a fixed frame; 513. a spherical arc template; 514. a jacking hydraulic cylinder; 515. a high-strength polytetrafluoroethylene sheet; 516. a hydraulic cylinder connecting pin is transversely moved; 6. a servo hydraulic system; 61. a high pressure variable displacement pump; 62. A drive motor; 63. a hydraulic control check valve accessory; 64. a servo overflow valve; 65. a multi-path electromagnetic directional valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present invention provides the following technical solutions: a high-efficiency pushing system device comprises a hydraulic clamp 1, a horizontal pushing hydraulic cylinder 2, a second connecting pin shaft 3, a heavy-load roller trolley 4, a three-dimensional fine adjustment assembly 5 and a servo hydraulic system 6, wherein the hydraulic clamp 1, the horizontal pushing hydraulic cylinder 2, the heavy-load roller trolley 4 and the three-dimensional fine adjustment assembly 5 are connected with the servo hydraulic system 6 through hydraulic oil paths; the hydraulic clamp 1 connects the horizontal pushing hydraulic cylinder 2 and the heavy-duty roller trolley 4 into a whole through a second connecting pin shaft 3; the three-dimensional fine adjustment assembly 5 is placed on the upper plane of the heavy-duty roller trolley 4.
Specifically, referring to fig. 2-3, the hydraulic clamp 1 includes a frame 11, a hydraulic cylinder 12, a first connecting pin 13, a jaw leg 14 and a connecting bolt assembly 15, wherein a mounting hole of the hydraulic cylinder 12, a hole of the frame 11 and a hole of the jaw leg 14 are connected by the connecting bolt assembly 15.
Specifically, as shown in fig. 4, the horizontal pushing cylinder 2 includes a cylinder body 21, a hydraulic piston rod 22, a combined seal 23, and a sensor 24, and the sensor 24 is mounted at an inner end of the cylinder body 21.
Specifically, as shown in fig. 5-8, the heavy-duty roller trolley 4 includes a trolley body 41, a roller chain assembly 42 and a guide wheel assembly 43, wherein the roller chain assembly 42 is provided with three roller chains at the same interval. The body frame 41 includes an upper panel 411, side panels 412, a drag chain panel 413, and a guide wheel mounting plate 414. The drag link plates 413 are installed in the elliptical holes of the side plates 412, the components are welded to form the vehicle body frame 41, and thermal refining is performed after welding. After the roller chain winds the drag chain plate of the vehicle body frame 41 for a circle, the head and the tail of the chain are linked through the chain plate and the rolling shaft, at the moment, the roller chain winds the periphery of the drag chain plate of the vehicle body frame 41 for closed-loop linking, and the chain rolls and can drive the heavy-load roller trolley to move along the rolling direction of the chain; when in use, the coating is coated with solid lubricating oil.
Specifically, as shown in fig. 9-10, the three-dimensional fine adjustment assembly 5 includes a traverse hydraulic cylinder 511, a fixed frame 512, a spherical arc-shaped plate 513, a jacking hydraulic cylinder 514, a high-strength polytetrafluoroethylene sheet 515, and a traverse hydraulic cylinder connecting pin 516, where the spherical arc-shaped plate 513 is placed in a piston rod ball socket of the jacking hydraulic cylinder 514, the traverse hydraulic cylinder 511 is connected with a jacking hydraulic cylinder pin shaft mounting hole through the traverse hydraulic cylinder connecting pin 516, and the traverse hydraulic cylinder 511 is used for aligning the orientation of the jacked object. The spherical arc-shaped plate 513 is placed in a ball socket of a piston rod of the jacking hydraulic cylinder 514, the ball socket is consistent in size, the spherical arc-shaped plate mainly plays a role of spherical centering during jacking, the vertical action of load on the piston rod is guaranteed as far as possible, the lateral shearing force borne by the piston rod of the hydraulic cylinder during jacking is reduced, the transverse hydraulic cylinder 511 is connected with a pin shaft mounting hole of the jacking hydraulic cylinder through a transverse hydraulic cylinder connecting pin 516, and the transverse hydraulic rod is used for azimuth alignment of a jacking object.
Specifically, referring to fig. 11, the servo hydraulic system 6 includes a high-pressure variable pump 61, a driving motor 62, a pilot operated check valve accessory 63, a servo overflow valve 64, and a multi-way electromagnetic directional valve 65;
the driving motor 62 is used for driving the high-pressure variable pump 61 to output high-pressure oil to the multi-path electromagnetic directional valve 65;
the output end of the multi-path electromagnetic directional valve 65 is respectively connected with the horizontal pushing hydraulic cylinder 2, the hydraulic cylinder 12, the transverse moving hydraulic cylinder 511 and the jacking hydraulic cylinder 514. The driving motor 62 drives the high-pressure variable pump 61 to output high-pressure oil to the multi-path electromagnetic directional valve 65, the electromagnetic valve is controlled by the remote controller to be reversed, the hydraulic oil enters the executing mechanism through the hydraulic control one-way valve accessory 63, and finally quick pushing construction is achieved.
The working principle and the using process of the utility model are as follows: the beam body is provided with a temporary pushing steel rail runway at a proper position such as an embankment at the back of the bridge abutment, and the steel rail runway extends to a position from the beam body position. After the section-by-section pouring or assembling is completed, the beam body is placed on the heavy-load roller trolley 4 at the starting point of the runway and is longitudinally pushed by the pushing device, so that the beam body slides along the runway to be in place by temporarily pushing the heavy-load roller trolley 4 on the steel rail runway, and the posture of the beam body is controlled to be stable by the three-dimensional fine adjustment assembly 5 in the pushing process. Specifically, the method comprises the following steps: the hydraulic clamp holder 1 in the single set of pushing device is provided with two hydraulic cylinders 12, the output ends of the hydraulic cylinders 12 are connected with hydraulic rods, the output ends of the hydraulic rods are connected with the jaw feet 14, hydraulic oil enters the two hydraulic cylinders 12, when the hydraulic rods connected with the output ends of the hydraulic cylinders 12 retract, the jaw feet 14 are driven to clamp a steel rail, and the hydraulic clamp holder 1 is kept fixed. At the moment, the hydraulic oil enters the horizontal pushing hydraulic cylinder 2 to drive the horizontal pushing hydraulic rod connected with the output end of the horizontal pushing hydraulic cylinder 2 to extend out, the heavy-duty roller trolley 4 is pushed to move, and the first stroke of the horizontal pushing hydraulic rod is finished. At the moment, the heavy-duty roller trolley 4 drives the beam body to push the stroke along the temporary steel rail runway to be equal to that of the horizontal pushing hydraulic cylinder 2, and the horizontal pushing hydraulic rod is completely unfolded. Then, controlling the hydraulic oil to enter the two hydraulic cylinders 12, and extending out a hydraulic rod in the hydraulic cylinders 12 to drive the jaw feet 14 to open so as to enable the jaw feet to be far away from the temporary steel rail track; and then controlling the hydraulic oil to be pumped out of the horizontal pushing hydraulic cylinder 2 to drive the horizontal pushing hydraulic rod connected with the output end of the horizontal pushing hydraulic cylinder 2 to be retracted, wherein the heavy-duty roller trolley 4 cannot move due to the load of the bearing beam body, and the hydraulic clamp 1 moves along the direction of the temporary steel rail runway under the retracting action of the horizontal pushing hydraulic rod until the horizontal pushing hydraulic rod is completely retracted. In the process of one movement, the beam body loaded by the heavy-duty roller trolley 4 and the hydraulic clamper 1 move along the direction of the temporary steel rail track by a length equal to the stroke of the horizontal pushing hydraulic cylinder. The circulation is carried out, and the movement of the heavy-duty roller trolley 4 along the horizontal direction of the temporary steel rail track is completed;
the beam body is located above the spherical arc-shaped plate 513, the driving motor 62 is used for driving the high-pressure variable pump 61 to output high-pressure oil to the multi-path electromagnetic directional valve 65, the remote controller controls the multi-path electromagnetic directional valve 65 to be switched, the hydraulic oil enters the transverse hydraulic cylinder 511, so that the jacking hydraulic cylinder 514 and the beam body above the spherical arc-shaped plate 513 are transversely moved, and the hydraulic oil enters the jacking hydraulic cylinder 514, so that the beam body above the spherical arc-shaped plate 513 is jacked. The three-dimensional precise adjustment assembly is mainly used for adjusting and controlling the postures of the beam body in the horizontal plane and the vertical direction through the three-dimensional precise adjustment assembly 5 in the pushing circulation process, adjusting the stability of the beam body and avoiding overturning caused by load deflection.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a high-efficient thrusting system device which characterized in that: the hydraulic clamp comprises a hydraulic clamp holder (1), a horizontal pushing hydraulic cylinder (2), a second connecting pin shaft (3), a heavy-duty roller trolley (4), a three-dimensional fine adjustment assembly (5) and a servo hydraulic system (6), wherein the hydraulic clamp holder (1), the horizontal pushing hydraulic cylinder (2), the heavy-duty roller trolley (4) and the three-dimensional fine adjustment assembly (5) are connected with the servo hydraulic system (6) through hydraulic oil paths;
the hydraulic clamp holder (1) connects the horizontal pushing hydraulic cylinder (2) and the heavy-load roller trolley (4) into a whole through a second connecting pin shaft (3);
the three-dimensional fine adjustment assembly (5) is placed on the upper plane of the heavy-duty roller trolley (4).
2. The efficient jacking system apparatus as claimed in claim 1, wherein: the hydraulic clamp holder (1) comprises a holder body (11), a hydraulic cylinder (12), a first connecting pin shaft (13), a jaw foot (14) and a connecting bolt assembly (15), wherein a mounting hole of the hydraulic cylinder (12), a hole of the holder body (11) and a hole of the jaw foot (14) are connected through the connecting bolt assembly (15).
3. The efficient jacking system apparatus as claimed in claim 1, wherein: the horizontal pushing hydraulic cylinder (2) comprises a hydraulic cylinder body (21), a hydraulic piston rod (22), a combined sealing piece (23) and a sensor (24), wherein the sensor (24) is installed at the end part of the inner side of the hydraulic cylinder body (21).
4. The efficient jacking system apparatus as claimed in claim 1, wherein: the heavy-duty roller trolley (4) comprises a trolley body frame (41), three roller chain assemblies (42) and a guide wheel assembly (43), wherein the three roller chain assemblies (42) are arranged at the same interval;
the vehicle body frame (41) comprises an upper panel (411), a side plate (412), a drag chain plate (413) and a guide wheel mounting plate (414), wherein the drag chain plate (413) is arranged in an oval hole of the side plate (412).
5. The efficient jacking system apparatus as claimed in claim 1, wherein: the three-dimensional fine adjustment assembly (5) comprises a transverse moving hydraulic cylinder (511), a fixed frame (512), a spherical arc-shaped plate (513), a jacking hydraulic cylinder (514), a high-strength polytetrafluoroethylene sheet (515) and a transverse moving hydraulic cylinder connecting pin (516), wherein the spherical arc-shaped plate (513) is placed in a piston rod ball socket of the jacking hydraulic cylinder (514), the transverse moving hydraulic cylinder (511) is connected with a pin shaft mounting hole of the jacking hydraulic cylinder (514) through the transverse moving hydraulic cylinder connecting pin (516), and the transverse moving hydraulic cylinder (511) is used for aligning the position of a jacking object.
6. The efficient jacking system apparatus as claimed in claim 1, wherein: the servo hydraulic system (6) comprises a high-pressure variable pump (61), a driving motor (62), a hydraulic control one-way valve accessory (63), a servo overflow valve (64) and a multi-path electromagnetic directional valve (65);
the driving motor (62) is used for driving the high-pressure variable pump (61) to output high-pressure oil to the multi-path electromagnetic directional valve (65);
the output end of the multi-path electromagnetic directional valve (65) is respectively connected with the horizontal pushing hydraulic cylinder (2), the hydraulic cylinder (12), the transverse moving hydraulic cylinder (511) and the jacking hydraulic cylinder (514).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122464643.XU CN216194112U (en) | 2021-10-13 | 2021-10-13 | High-efficient top pushes away system device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122464643.XU CN216194112U (en) | 2021-10-13 | 2021-10-13 | High-efficient top pushes away system device |
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| Publication Number | Publication Date |
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| CN216194112U true CN216194112U (en) | 2022-04-05 |
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| CN202122464643.XU Active CN216194112U (en) | 2021-10-13 | 2021-10-13 | High-efficient top pushes away system device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113802470A (en) * | 2021-10-13 | 2021-12-17 | 上海先科桥梁隧道检测加固工程技术有限公司 | High-efficient top pushes away system device |
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2021
- 2021-10-13 CN CN202122464643.XU patent/CN216194112U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113802470A (en) * | 2021-10-13 | 2021-12-17 | 上海先科桥梁隧道检测加固工程技术有限公司 | High-efficient top pushes away system device |
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