CN218669366U - Positioning bracket for starting of shield tunneling machine - Google Patents
Positioning bracket for starting of shield tunneling machine Download PDFInfo
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- CN218669366U CN218669366U CN202223295480.8U CN202223295480U CN218669366U CN 218669366 U CN218669366 U CN 218669366U CN 202223295480 U CN202223295480 U CN 202223295480U CN 218669366 U CN218669366 U CN 218669366U
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- positioning
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- shield
- shield machine
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Abstract
The utility model discloses a positioning bracket for the starting of a shield machine, wherein a plurality of hydraulic supporting mechanisms which are vertically arranged are arranged below a base, a hydraulic positioning mechanism is arranged between the side wall of a starting derrick and the base, the hydraulic positioning mechanism comprises a plurality of hydraulic supports which are horizontally arranged, the front end of a power output shaft of the hydraulic supports is provided with a positioning projection, a plurality of positioning grooves are arranged on the side wall of the base, and the positioning grooves are matched with the positioning projection; the base is provided with a balance mechanism matched with the shield tunneling machine. The shield machine can be placed in an originating derrick in a mode of adopting a mechanical structure, is simple to maintain, can be operated without training workers, improves the practicability, measures and releases wires after the shield machine is assembled, and then is finely adjusted, so that the position of the shield machine can be conveniently adjusted, the construction efficiency is improved, and the labor intensity of the workers is reduced when the shield machine is adjusted.
Description
Technical Field
The utility model relates to a pipeline site operation field especially relates to a positioning bracket for shield constructs machine is originated.
Background
The shield construction method is used as the most efficient tunnel construction method and is more and more widely applied to engineering construction of urban subways, electric power, water diversion, comprehensive pipe galleries and the like. Meanwhile, along with the more and more complex and changeable construction conditions, a plurality of challenges are also faced, wherein the shield launching site has insufficient structural size, tight construction period, curve initiation and large-slope launching, and the influence on the subway tunnel shield launching construction is particularly obvious when the shield launching site is influenced by obstacles such as ground traffic, building structures and high-voltage lines in a staggered manner. The shield that uses at present constructs starting bracket, the fixed bracket that mostly adopts the mill to prefabricate, at the installation positioning in-process, need measure the unwrapping wire repeatedly, is aided with the steel sheet bed hedgehopping simultaneously, and the jack is carried out level, vertical adjustment to it is firm to fix before the shield is hoisted, takes a large amount of time, and the precision is lower. Once a large error occurs, the shield machine cannot start normally, and needs to be hoisted, positioned and reworked again, so that the construction cost is increased, and the construction efficiency is reduced.
Accordingly, the prior art is subject to further improvement and development.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned deficiencies in the prior art, it is an object of the present invention to provide a positioning bracket for starting a shield machine, so as to facilitate the adjustment of the position of the shield machine.
In order to solve the technical problem, the utility model discloses the scheme includes:
a positioning bracket for the initiation of a shield machine comprises a base, wherein a plurality of hydraulic supporting mechanisms which are vertically arranged are arranged below the base, a hydraulic positioning mechanism is arranged between the base and the side wall of an initiation derrick, the hydraulic positioning mechanism comprises a plurality of hydraulic supports which are horizontally arranged, a positioning protrusion is arranged at the front end of a power output shaft of each hydraulic support, a plurality of positioning grooves are arranged on the side wall of the base, and the positioning grooves are matched with the positioning protrusions; the base is provided with a balance mechanism matched with the shield machine.
The positioning bracket is characterized in that the balancing mechanism comprises inclined blocks arranged on two sides of the base, the inclined blocks are symmetrically arranged, and an included angle between an inclined plane of each inclined block and an acute angle between horizontal lines is 15-30 degrees.
The positioning bracket is characterized in that the inclined plane of the inclined block is provided with a bearing bar pointing to the shield machine, and the connecting included angle between the centers of the sections of the two bearing bars and the circle center of the shield machine is 30-15 degrees.
The positioning bracket is characterized in that the hydraulic support mechanism and the hydraulic support are both hydraulic jacks.
The positioning bracket, wherein, above-mentioned hydraulic jack all disposes the hydraulic pump, the hydraulic pump all with a digital display servo controller communication connection.
The utility model provides a positioning bracket for shield constructs quick-witted originated can adopt mechanical structure's mode to put the shield structure machine in the derrick that originates, and it is simple to maintain, need not to train the workman and can operate, has improved its practicality, after the shield constructs the quick-witted equipment and finishes assembling, measures the unwrapping wire, then meticulous adjustment, and the vertical elevation of bracket is accomplished with the steel sheet adjustment, and is assisted with the jack and carries out vertical jacking regulation; the bracket horizontal positioning needs to be fixedly supported by profile steel, a jack is used for horizontal jacking adjustment, after the bracket is firmly positioned, the shield is hoisted and lowered into the well, and is placed on the starting bracket to finish the starting positioning of the shield, so that the position of the shield machine is conveniently adjusted, the construction efficiency is improved, and the labor intensity of workers is reduced when the shield machine is adjusted.
Drawings
Fig. 1 is a schematic cross-sectional view of a positioning bracket according to the present invention;
fig. 2 is a schematic top view of the middle positioning bracket of the present invention.
Detailed Description
The utility model provides a positioning bracket for shield constructs machine is originated, for making the utility model discloses a purpose, technical scheme and effect are clearer, more clear and definite, it is following right the utility model discloses further detailed description. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The utility model provides a positioning bracket for shield machine is originated, as shown in figure 1 and figure 2, it includes base 1, wherein, be provided with a plurality of hydraulic support mechanism 2 of arranging perpendicularly below this base 1, this base 1 is provided with hydraulic positioning mechanism between the lateral wall 3 of derrick from starting with this base 1, this hydraulic positioning mechanism includes a plurality of hydraulic support 4 of arranging horizontally, the power output shaft front end of this hydraulic support 4 is provided with location protrudingly 5, be arranged with a plurality of constant head tank 6 on the lateral wall of base 1, constant head tank 6 and location protrudingly 5 looks adaptations; the base 1 is provided with a balance mechanism matched with the shield tunneling machine 7. After the height of the shield tunneling machine 7 is adjusted through the hydraulic supporting mechanism 2, the position of the base 1 is fixed through the hydraulic positioning mechanism.
In another preferred embodiment of the present invention, the balancing mechanism comprises tilting blocks 8 disposed at both sides of the base 1, the tilting blocks 8 are symmetrically disposed, and an included angle between an inclined plane of the tilting block 8 and an acute angle between horizontal lines is 15 ° to 30 °. And the inclined plane of the inclined block 8 is provided with a bearing bar 9 pointing to the shield machine 7, and the connection included angle a between the center of the section of the two bearing bars 9 and the center of the shield machine is 30-15 degrees. Through twice inclined arrangement, the shield tunneling machine 7 can be placed more stably, and the influence of the stress of the shield tunneling machine is reduced.
And above-mentioned hydraulic support mechanism 2, hydraulic support 4 are hydraulic jack, and above-mentioned hydraulic jack all disposes the hydraulic pump (not shown in the figure), and the hydraulic pump all communicates with a digital display servo controller 10 and connects, and the volume of controlling the hydraulic pump through digital display servo controller 10 and then the pressure that corresponds hydraulic jack, also can adopt corresponding pressure sensor and digital display servo controller 10 to cooperate, can adopt the relevant technical means among the prior art, and no longer give unnecessary details here.
The utility model provides high shield structure bracket installation positioning speed that starts has improved the shield structure gesture precision of starting. The shield assembly and the starting positioning are completed on the bracket at one time, the investment of a crane, a steel plate, a jack and the like is reduced, if deviation exists, secondary hoisting is not needed, the construction cost is reduced, the construction efficiency is improved, accurate control is realized through a digital display servo mechanism, a limiting device is arranged, the limiting capacity is high, the starting bracket mounting speed is improved, the shield starting precision is improved, the shield starting assembly and the accurate positioning process are completed on the quick positioning bracket at one time, the construction efficiency is improved, and the construction cost is reduced.
Of course, the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and the changes, modifications, additions or substitutions made by those skilled in the art within the scope of the present invention should also belong to the protection scope of the present invention.
Claims (5)
1. A positioning bracket for the initiation of a shield machine comprises a base and is characterized in that a plurality of hydraulic supporting mechanisms which are vertically arranged are arranged below the base, a hydraulic positioning mechanism is arranged between the base and the side wall of an initiation derrick, the hydraulic positioning mechanism comprises a plurality of hydraulic supports which are horizontally arranged, a positioning protrusion is arranged at the front end of a power output shaft of each hydraulic support, a plurality of positioning grooves are arranged on the side wall of the base, and the positioning grooves are matched with the positioning protrusions; the base is provided with a balance mechanism matched with the shield tunneling machine.
2. The positioning bracket of claim 1, wherein said counterbalance mechanism includes tilt blocks disposed on opposite sides of said base, said tilt blocks being symmetrically disposed, and the angle between the slope of said tilt blocks and the horizontal being between 15 ° and 30 °.
3. The positioning bracket of claim 2, wherein the inclined plane of the inclined block is provided with a bearing bar pointing to the shield machine, and the connection included angle between the center of the cross section of the two bearing bars and the center of the circle of the shield machine is 30-15 °.
4. The retainer bracket of claim 1, wherein the hydraulic support mechanism and the hydraulic support are hydraulic jacks.
5. A positioning bracket according to claim 4, characterised in that the hydraulic jacks are each provided with a hydraulic pump which is each communicatively connected to a digital servo controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223295480.8U CN218669366U (en) | 2022-12-09 | 2022-12-09 | Positioning bracket for starting of shield tunneling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223295480.8U CN218669366U (en) | 2022-12-09 | 2022-12-09 | Positioning bracket for starting of shield tunneling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218669366U true CN218669366U (en) | 2023-03-21 |
Family
ID=85548679
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223295480.8U Active CN218669366U (en) | 2022-12-09 | 2022-12-09 | Positioning bracket for starting of shield tunneling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218669366U (en) |
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2022
- 2022-12-09 CN CN202223295480.8U patent/CN218669366U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 416, Xinyue Road, Kuancheng District, Changchun City, Jilin Province Patentee after: THE BRIDGE ENGINEERING CO.,LTD. OF CTCE Group Patentee after: China Railway Jilin Investment and Construction Co.,Ltd. Address before: No. 416, Xinyue Road, Kuancheng District, Changchun City, Jilin Province Patentee before: THE BRIDGE ENGINEERING CO.,LTD. OF CTCE Group Patentee before: China Railway North Jilin Investment and Construction Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |