CN216786876U - 320 ton walking machine - Google Patents
320 ton walking machine Download PDFInfo
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- CN216786876U CN216786876U CN202220074960.2U CN202220074960U CN216786876U CN 216786876 U CN216786876 U CN 216786876U CN 202220074960 U CN202220074960 U CN 202220074960U CN 216786876 U CN216786876 U CN 216786876U
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Abstract
The utility model relates to a 320-ton walking machine which comprises a sliding box and a sliding groove, wherein the sliding box is arranged on the sliding groove in a sliding manner; longitudinal pushing jacks are arranged on two sides of the sliding box, one end of each pushing jack is connected with the sliding groove, and the other end of each pushing jack is connected with the sliding box; a sliding seat is arranged in the sliding box in a sliding manner, and a vertical jacking jack is fixed on the sliding seat; and two sides of the jacking jack are provided with transverse deviation rectifying jacks, and the deviation rectifying jacks are fixed on the side wall of the sliding box. The 320-ton walking machine is provided with the two pushing jacks and the two deviation rectifying jacks, and the two pushing jacks and the two deviation rectifying jacks are symmetrically distributed, so that the force is uniformly applied during pushing and deviation rectifying, and the stability is good.
Description
Technical Field
The utility model relates to a 320-ton walking machine, and belongs to the technical field of steel beam pushing equipment.
Background
In the construction of large bridges, the incremental launching construction of steel beams is generally carried out by using a walking machine. A traditional walking machine adopts one jacking top, one jacking top and one deviation correcting top, so that the problem of uneven stress exists during jacking, and the stability during construction is poor.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems, the utility model provides a 320-ton walking machine, which has the specific scheme that:
a320-ton walking machine comprises a sliding box and a sliding chute, wherein the sliding box is arranged on the sliding chute in a sliding manner; longitudinal pushing jacks are arranged on two sides of the sliding box, one end of each pushing jack is connected with the corresponding sliding groove, and the other end of each pushing jack is connected with the sliding box; a sliding seat is arranged in the sliding box in a sliding manner, and a vertical jacking jack is fixed on the sliding seat; and two sides of the jacking jack are provided with transverse deviation rectifying jacks, and the deviation rectifying jacks are fixed on the side wall of the sliding box.
Furthermore, the sliding groove is a longitudinal strip-shaped plate, a longitudinal long groove is formed in the bottom of the sliding groove, and the strip-shaped plate is embedded in the long groove.
Furthermore, side frames are arranged on two sides of the sliding box, a cylinder body of the pushing jack is connected to the side frames, and a cylinder body of the pushing jack is connected with the end portion of the sliding groove through a connecting piece.
Furthermore, a cylinder body of the deviation rectifying jack is fixed on the side frame and is positioned above the cylinder body of the pushing jack.
The 320-ton walking machine is provided with two pushing jacks and two deviation rectifying jacks, and is symmetrically distributed, so that the force is uniformly applied during pushing and deviation rectifying, and the stability is good.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic left side view of the present invention;
FIG. 3 is a schematic top view of the present invention;
fig. 4 is a schematic view of direction a in fig. 3.
Detailed Description
The following describes the embodiments of the present invention in detail with reference to specific examples.
Example 1
Referring to fig. 1-4, a 320-ton walking machine comprises a slide box 1 and a chute 2, wherein the slide box is slidably arranged on the chute; two sides of the sliding box are provided with longitudinal pushing jacks 3, one end of each pushing jack is connected with the sliding chute 2, and the other end of each pushing jack is connected with the sliding box 1; a sliding seat is arranged in the sliding box 1 in a sliding manner, and a vertical jacking jack 4 is fixed on the sliding seat; and two sides of the jacking jack are provided with transverse deviation rectifying jacks 5 which are fixed on the side wall of the sliding box.
The pushing jacks 3, the jacking jacks 4 and the deviation correcting jacks 5 are connected with a hydraulic system, the hydraulic system controls the jacks to act, the pushing jacks push the sliding box to longitudinally move along the sliding chute when stretching, and the two pushing jacks always keep synchronous and equidirectional action to ensure the stable movement of the sliding box; when the deviation rectifying jacks stretch out and draw back, the sliding base is pushed to drive the jacking jacks to transversely move in the sliding box, and the two deviation rectifying jacks reversely move mutually, so that the jacking jacks are guaranteed to be clamped between the two deviation rectifying jacks all the time.
In the scheme, the sliding groove is a longitudinal strip-shaped plate, a longitudinal long groove is formed in the bottom of the sliding groove, and the strip-shaped plate is embedded in the long groove. The two sides of the sliding box are provided with side frames 6, the cylinder body of the pushing jack is connected to the side frames, and the cylinder body of the pushing jack is connected with the end part of the sliding groove through a connecting piece 7. The cylinder body of the deviation rectifying jack is fixed on the side frame and is positioned above the cylinder body of the pushing jack. Each sliding surface adopts a stainless steel plate and a tetrafluoro plate oiling and lubricating system, and the friction coefficient is small and constant.
Jacking jack top fixed mounting is in activity spherical crown lower extreme, the bed plate passes through the bolt fastening jacking jack bottom, and the bed plate below is equipped with the slip box, and the slip box card is on the spout, and the jack of rectifying passes through the steel drum to be fixed in the slip box both sides, and the tetrafluoro board is installed to bed plate and slip box, and the top jack is installed to the slip box both sides, and top jack one end articulates on the spout, and the other end can be dismantled with the slip box and be connected.
And data transmission is carried out between the master station and the slave station through a bus communication cable, and the bus communication cable is an anti-interference shielding cable.
Through the control of a hydraulic system, the vertical supporting force of each pier top can be automatically adjusted and balanced, so that the pushing is safer and more reliable. Wherein, the electric control system adopts the distributed mode control of the master station and the slave station, the slave station unit consists of a control module, an I/O module and an analog quantity module, the outlets of oil stations of the jacking jack and the deviation correcting jack are respectively provided with a pressure sensor, one end of the jacking jack is respectively provided with a displacement sensor, the control module, the I/O module and the analog quantity module are respectively electrically connected with the jacking jack, the jacking jack and the oil station motor of the deviation correcting jack and the control end of an execution electromagnetic valve, the control module and the analog quantity module of the I/O module are electrically connected with the pressure sensors and the displacement sensors on the jacking jack, the jacking jack and the deviation correcting jack, the jacking force of the jacking jack, the jacking jack and the deviation correcting jack can be effectively controlled and set, the data acquisition is carried out on the pushing and returning stroke of the jack, the jacking force of the jacking jack can be effectively controlled and set as required, the stroke of pushing back by jacking is controlled, effective synchronous precision control is carried out by pushing the walking machine of the same group, the master station and the slave station comprise a master station and a slave station, data transmission is carried out between the master station and the slave station through a bus communication cable, and the bus communication cable is an anti-interference shielding cable, so that the data transmission is stable and reliable.
Firstly, selecting the number of used walkers on a touch screen or an industrial personal computer, selecting a linkage mode, setting a jacking initial leveling height value and setting a jacking synchronous comparison parameter.
The first step, select linkage mode on operation platform, then click jacking oil station motor start button on touch-sensitive screen or industrial computer, start corresponding jacking oil station motor according to the machine position number of input, operate the jacking button, corresponding jacking cylinder rises, following condition:
and according to the leveling height value set by the touch screen or the industrial personal computer, the corresponding jacking oil cylinders of the group walking machines stop working after rising to the leveling position.
And (2) after the front (1) condition is met, the jacking oil cylinder continuously rises, whether the leveling pressure set by the touch screen or the industrial personal computer reaches a set value or not is judged, the jacking stops working after the set leveling pressure is reached, and at the moment, the walking machine and the box girder are in a close contact state.
And the front (2) condition meets the requirement that the jacking oil cylinder of the back-step crawler continues to rise, the jacking oil cylinder needs to rise to the touch screen or the industrial personal computer to synchronously set the height and then stops working, and the box girder is separated from the temporary rest pier at the moment.
And (3) judging whether the pressure value of the box girder reaches a set value or not after the condition in the front part (3) is met, stopping working when the set pressure is reached, and finishing a working link at the moment of jacking.
Secondly, clicking a pushing motor starting button on a touch screen or an industrial personal computer, starting a pushing oil station motor, setting a correction value according to pushing on the touch screen or the industrial personal computer, performing correction synchronous pushing on a pushing oil cylinder through a displacement sensor according to the set correction parameter, moving a box beam forwards, judging that pushing reaches a stroke by a pushing displacement sensor, and stopping the pushing oil cylinder; and finishing pushing.
And thirdly, after the pushing is finished, the walking machine starts to be jacked and descends, a jacking and descending button is started according to the lifting parameter value of the walking machine set on the touch screen or the industrial personal computer, the walking machine is jacked and ascended, the walking machine stops working after the set parameter value is reached, the walking machine is jacked and separated from the box girder, and the box girder is placed on the temporary rest pier.
And fourthly, after the lifting of the crawler machine top is finished, pushing the crawler machine back, starting a crawler machine push-back button, pushing back, stopping working after reaching the original point measured by the displacement sensor, and finishing the return of the crawler machine at the moment.
And fifthly, if the box girder deviates according to the actual field situation, the left and right deviation rectifying devices are used for rectifying deviation.
The pushing work can be finished by repeating the five steps.
The whole walking machine is self-integrated, can realize jacking and pushing to move along the bridge direction under the control of a computer, can also realize the adjustment of the deviation rectifying transverse bridge direction, and can rectify the deviation of the steel beam at any time in the pushing process; the whole set of equipment is designed and manufactured according to mechanical standards, has high adjustment precision, and can better meet the control requirements of the steel beam on load and deformation; the full hydraulic system is used for driving, the whole machine is small in size, light in weight, stable in control, complete in hydraulic protection and high in safety; the upper structure and the lower structure of the walking machine pushing equipment realize the movement along the bridge direction through the oil cylinder, the thrust is the internal force of the equipment, and the horizontal thrust generated to the bridge pier when pushing by other methods is overcome; through the control of a hydraulic system, the vertical supporting force of each pier top can be automatically adjusted and balanced, so that the pushing is safer and more reliable.
Claims (5)
1. A 320 ton walking machine which is characterized in that: the sliding box is arranged on the sliding groove in a sliding mode; longitudinal pushing jacks are arranged on two sides of the sliding box, one end of each pushing jack is connected with the corresponding sliding groove, and the other end of each pushing jack is connected with the sliding box; a sliding seat is arranged in the sliding box in a sliding manner, and a vertical jacking jack is fixed on the sliding seat; and two sides of the jacking jack are provided with transverse deviation rectifying jacks, and the deviation rectifying jacks are fixed on the side wall of the sliding box.
2. The 320 ton walking machine of claim 1, wherein: the sliding groove is a longitudinal strip-shaped plate, a longitudinal long groove is formed in the bottom of the sliding groove, and the strip-shaped plate is embedded in the long groove.
3. The 320 ton walking machine of claim 1, wherein: the two sides of the sliding box are provided with side frames, a cylinder body of the pushing jack is connected to the side frames, and a cylinder body of the pushing jack is connected with the end part of the sliding groove through a connecting piece.
4. The 320 ton walking machine of claim 3, wherein: and the cylinder body of the deviation rectifying jack is fixed on the side frame and is positioned above the cylinder body of the pushing jack.
5. The 320 ton walking machine of claim 1, wherein: one end of the pushing jack is hinged on the sliding chute (5), and the other end of the pushing jack is detachably connected with the sliding box (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220074960.2U CN216786876U (en) | 2022-01-12 | 2022-01-12 | 320 ton walking machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220074960.2U CN216786876U (en) | 2022-01-12 | 2022-01-12 | 320 ton walking machine |
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| Publication Number | Publication Date |
|---|---|
| CN216786876U true CN216786876U (en) | 2022-06-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220074960.2U Active CN216786876U (en) | 2022-01-12 | 2022-01-12 | 320 ton walking machine |
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| CN (1) | CN216786876U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115233569A (en) * | 2022-08-16 | 2022-10-25 | 中铁二十五局集团第一工程有限公司 | Pushing device for assembling fully-prefabricated bridge of subway span line |
-
2022
- 2022-01-12 CN CN202220074960.2U patent/CN216786876U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115233569A (en) * | 2022-08-16 | 2022-10-25 | 中铁二十五局集团第一工程有限公司 | Pushing device for assembling fully-prefabricated bridge of subway span line |
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