CN213267538U - Leading hole platform for U-shaped sandstone riverbed steel trestle on shoal - Google Patents
Leading hole platform for U-shaped sandstone riverbed steel trestle on shoal Download PDFInfo
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- CN213267538U CN213267538U CN202022072492.9U CN202022072492U CN213267538U CN 213267538 U CN213267538 U CN 213267538U CN 202022072492 U CN202022072492 U CN 202022072492U CN 213267538 U CN213267538 U CN 213267538U
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Abstract
本实用新型提出了一种浅滩U形砂岩河床钢栈桥用引孔平台，包括矩形的操作台和至少位于操作台四个角的支撑腿，操作台上预留有便于钻机钻孔的钻孔孔洞，至少其中两个支撑腿为伸缩腿，其余的支撑腿为固定腿，当支撑腿的数量为两个时，两个支撑腿设在操作台的一个侧边上。本实用新型引孔平台具有伸缩腿，利用伸缩腿调节操作台的高度差，调平方便。将该引孔平台应用在浅滩U形砂岩河床中引孔时，在引孔平台上安装钻机引孔，解决了河流地质影响河流不深，大型机具经济适用型不强，且河床底凹凸不平，传统冲孔设备无法精准定位，在硬度较高的岩层及复杂地质条件下振动锤无法下沉等难题，而且引孔平台移动方便，引孔速度快，经济实用性强，节约工期。
The utility model proposes a shoal U-shaped sandstone riverbed steel trestle platform for guiding holes, which comprises a rectangular operating table and support legs located at least at four corners of the operating table, and the operating table is reserved with drilling holes for drilling holes by a drilling machine. , at least two of the support legs are telescopic legs, and the rest of the support legs are fixed legs. When the number of support legs is two, the two support legs are arranged on one side of the operating table. The guide hole platform of the utility model has telescopic legs, and the height difference of the operating table is adjusted by the telescopic legs, and the leveling is convenient. When the lead-in platform is used for lead-in in the shoal U-shaped sandstone riverbed, the drilling rig lead-through is installed on the lead-in platform, which solves the problem that the river is not affected by the river geology, the river is not deep, the large-scale equipment is not economical and applicable, and the bottom of the river bed is uneven. Traditional punching equipment cannot be accurately positioned, and the vibrating hammer cannot sink under high hardness rock formations and complex geological conditions. Moreover, the drilling platform is easy to move, the drilling speed is fast, economical and practical, and the construction period is saved.
Description
Technical Field
The utility model belongs to the technical field of the landing stage construction, concretely relates to shoal U-shaped sandstone riverbed steel landing stage is with drawing hole platform.
Background
Along with the high-speed development of the country, the requirements of the connection between villages and towns on the rapidness, smoothness and the like of the traffic are higher and higher under the national poverty-relief policy, river-crossing and river-crossing bridge projects are more and more, corresponding river-crossing construction is carried out, steel trestles are not separated, and holes are key in the steel trestle construction.
In the pilot hole construction, aiming at the problems that the hardness (sandstone and the like) depth (3-5 m) of a river bed of a river in villages and towns is hard, the unevenness of the bottom of the river bed is U-shaped, the economic applicability of large machines (rotary drilling and the like) is not strong, and the unevenness of the bottom of the river bed has the defects that the traditional punching equipment cannot be accurately positioned and a vibrating hammer cannot sink under the conditions of a rock stratum with high hardness and complex geology.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving the technical problem who exists among the prior art, the utility model aims at providing a U-shaped sandstone riverbed steel landing stage of shoal draws hole platform.
In order to achieve the above purpose, the utility model adopts the following technical scheme: leading hole platform for shoal U-shaped sandstone riverbed steel trestle, including the operation panel of rectangle and the supporting leg that is located four angles of operation panel at least, reserve the drilling hole that is convenient for rig drilling on the operation panel, at least wherein two supporting legs are flexible leg, and remaining supporting leg is fixed leg, and when the quantity of supporting leg was two, two supporting legs were established on a side of operation panel.
In the technical scheme, the hole guiding platform is provided with the telescopic legs, the height difference of the operating platform is adjusted by the telescopic legs, and the leveling is convenient. When the hole guiding platform is applied to guiding holes in a U-shaped sandstone riverbed on a shoal, the drill guiding holes are installed on the hole guiding platform, the problems that the river is not deep due to influence of river geology, the economic applicability of large machines is not strong, the riverbed bottom is uneven, the traditional punching equipment cannot be accurately positioned, the vibrating hammer cannot sink under the conditions of high-hardness rock stratum and complex geology and the like are solved, the hole guiding platform is convenient to move, the hole guiding speed is high, the economic practicability is high, and the construction period is shortened.
The utility model discloses an among the preferred embodiment, flexible leg include the tube core, the cover establish outside the tube core with operation panel fixed connection's outer tube and be connected both bolt, seted up on the lateral wall of outer tube to the trompil, seted up a plurality of regulation holes along tube core length direction interval distribution on the tube core lateral wall, the bolt can pass in proper order to trompil and regulation hole with fixed tube core and outer tube.
Among the above-mentioned technical scheme, outer tube and operation panel fixed connection are through the length of vertical slip tube core in order to adjust flexible leg in the outer tube, and after the lead hole platform level, the fixed flexible leg of reuse bolt.
In a preferred embodiment of the present invention, the fixing leg and the outer tube are made of 40 steel tubes, the tube core is made of 30 steel tubes, and the plug is made of T-shaped steel bars. The fixed leg and the telescopic leg are both made of sectional materials, so that the cost is low and the processing is convenient.
In a preferred embodiment of the present invention, the operation platform comprises an upper flat layer and a lower flat layer welded by h-steel and steel plates. The operation panel is made of sectional materials, so that the cost is low and the processing is convenient.
The utility model discloses an among the preferred embodiment, be equipped with between last flat bed lower extreme and fixed leg and the flexible leg and consolidate the set square, also be equipped with between lower flat bed lower extreme and fixed leg and the flexible leg consolidate the set square. And a reinforcing triangular plate is arranged to improve the strength of the hole guiding platform.
In a preferred embodiment of the present invention, a reinforcing brace is further provided between the lower end of the lower flat layer and the fixed leg and the telescopic leg. The strength of the hole guiding platform is further improved by arranging the reinforcing inclined strut.
The utility model discloses an among the preferred embodiment, drilling hole position department still is equipped with the steel that is located the operation panel below and plays the guide effect to the drilling rod of rig and protects a section of thick bamboo. The steel casing plays a role in guiding and limiting, and the condition that the drill rod of the drilling machine cannot be guided normally due to overlarge rotation amplitude in the drilling process caused by water flow can be avoided.
In another preferred embodiment of the present invention, the four corners of the operation table are all fixedly connected with a hanging ring. Thereby being convenient for hoisting the hole guiding platform by the crawler crane.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic structural diagram of a guide hole platform for a shoal U-shaped sandstone riverbed steel trestle according to an embodiment of the present application.
Reference numerals in the drawings of the specification include: the steel protective sleeve comprises an operating table 10, a drilling hole 101, an upper flat layer 11, a lower flat layer 12, a fixed leg 20, a telescopic leg 30, a pipe core 31, an adjusting hole 311, an outer pipe 32, an opposite opening 321, a bolt 33, a steel protective sleeve 40, a reinforcing triangle 51 and a reinforcing inclined strut 52.
Detailed Description
Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "vertical", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the description of the present invention, unless otherwise specified and limited, it is to be noted that the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, mechanically or electrically connected, or may be connected between two elements through an intermediate medium, or may be directly connected or indirectly connected, and specific meanings of the terms may be understood by those skilled in the art according to specific situations.
The utility model provides a shoal U-shaped sandstone riverbed steel trestle is with drawing hole platform, as shown in figure 1, in an preferred embodiment, it includes the operation panel 10 of rectangle and the supporting leg that is located four angles of operation panel 10, according to actual conditions, also can set up more supporting legs, the centre of operation panel 10 is reserved has the drilling hole 101 of being convenient for rig drilling, at least wherein two supporting legs are flexible leg 30, remaining supporting leg is fixed leg 20, when flexible leg 30's quantity is two, two flexible legs 30 are established on one side of operation panel 10.
In a specific embodiment, for example, the operation table 10 is a square platform of 6 × 6m, the operation table 10 includes an upper flat layer 11 and a lower flat layer 12 of 6 × 6m formed by welding I20I-steel and a steel plate with a thickness of 10mm, and hanging rings are fixedly connected to four corners of the upper end of the upper flat layer 11. A reinforcing triangular plate 51 of 200x150mm is arranged between the lower end of the upper flat layer 11 and the fixed leg 20 and the telescopic leg 30, a reinforcing triangular plate 51 of 200x150mm is also arranged between the lower end of the lower flat layer 12 and the fixed leg 20 and the telescopic leg 30, and a reinforcing inclined strut 52 with an angle of 45 degrees is also arranged between the lower end of the lower flat layer 12 and the fixed leg 20 and the telescopic leg 30.
In the present embodiment, the four support legs are provided at the four corners of the console 10, and the four support legs are the fixed legs 20 and the telescopic legs 30, respectively, in fig. 1, the two support legs on the rear side of the console 10 and the two support legs on the front side of the console 10. When the pilot hole platform is installed in the riverbed, the riverbed is of a shoal U-shaped structure, the two fixed legs 20 are arranged on the side of the riverbank, and the two telescopic legs 30 are arranged far away from the side of the riverbank.
The telescopic leg 30 comprises a tube core 31, an outer tube 32 and a plug pin 33, the outer tube 32 is sleeved outside the tube core 31 and fixedly connected with the operating platform 10, the plug pin 33 is used for connecting the outer tube and the outer tube, the fixed leg 20 and the outer tube 32 are both made of 40 steel tubes with the length of 2.5m, the tube core 31 is made of 30 steel tubes with the length of 4m, the plug pin 33 is made of T-shaped steel ribs, and the wall thicknesses of the 40 steel tubes and the 30 steel tubes are both 8 mm. The side wall of the outer tube 32 is provided with an opposite opening 321, the side wall of the tube core 31 is provided with a plurality of adjusting holes 311 which are distributed at intervals along the length direction of the tube core 31, and the bolt 33 can sequentially penetrate through the opposite opening 321 and the adjusting holes 311 to fix the tube core 31 and the outer tube 32. The opening 321 is preferably provided towards the center of the console 10 to facilitate insertion and removal of the plug 33; the adjusting holes 311 are arranged within 1.5m below the top of the die 31, and the vertical spacing is 100-150 mm.
In another preferred embodiment, a steel casing 40 for guiding the drill rod of the drilling machine is further arranged at the position of the drilling hole 101, the steel casing 40 is positioned below the operating platform 10, the steel casing 40 is welded on the upper flat layer 11 and the lower flat layer 12, the steel casing 40 is made of 60 steel pipes with the length of 2m, and the wall thickness of the 60 steel pipes is 8 mm.
When the hole guiding platform is used for guiding holes in a U-shaped sandstone riverbed on a shoal, the following steps can be adopted:
s1, manufacturing a hole guiding platform according to the gradient water depth of the bottom of the riverbed;
s2, measuring the position of the pilot hole, hoisting the pilot hole platform to the position of the pilot hole, leveling the pilot hole platform and fixing the pilot hole platform in the riverbed;
s3, after the hole guiding platform is positioned and leveled, the drilling machine is installed at the drilling hole 101 of the hole guiding platform and fixed;
s4, starting a drilling machine, trying to run, slowly sinking, and then drilling to a designed depth;
and S5, lifting off the drilling machine, lifting the large steel pipe, inserting the large steel pipe into the drilled hole, and fixing the large steel pipe in place.
Wherein, step S2 specifically includes: two adjacent corners of the hole guiding platform are provided with pull ropes connected with the crawler crane and used for controlling the general direction of the hole guiding platform; four steel wire ropes with the length of 6m are fixed to lifting rings at four corners of the hole guiding platform through clamping rings, the hole guiding platform is lifted through a crawler crane, professional construction personnel measure the position of a hole guiding through a steel ruler, after the hole guiding platform is initially positioned, a total station is used for accurately lifting the hole guiding position according to design coordinates, and multiple times of adjustment and measurement can be carried out when the hole guiding platform is influenced by water flow and riverbed height difference in the process.
After the guide hole platform is hung and placed by the crawler crane, the guide hole platform is in an unbalanced state due to the fact that the bottom of a river bed is uneven, at the moment, the height of four corners of the guide hole platform is measured and set by a measuring staff through a level gauge to obtain corresponding height difference data, the crawler crane hangs two corners at one side needing to be lifted or lowered through two steel wire ropes, the bolt 33 on the telescopic leg 30 is taken out firstly, the pipe core 31 can move freely, then the lower end of the pipe core 31 is located at the bottom of the river bed by lifting one side of the guide hole platform through the measured result, and when the side of the guide hole platform is lifted slowly to reach the horizontal position, the bolt 33 is inserted, so that the pipe core 31 and the outer pipe 32 are connected together.
In the process of adjusting the hole guiding platform, the position of the hole guiding platform can be changed, the hole guiding platform can be slowly hung through the crawler crane, the total station instrument is used for paying off and positioning again for repeated adjustment until the position of the hole guiding is within an error range, and the bolt 33 is locked. In practice, the adjusting holes 311 on the tube core 31 can be properly encrypted according to the gradient of the river bed, so as to facilitate the adjustment.
Wherein, step S3 specifically includes: after the pilot hole platform is positioned and leveled, the drilling machine is hoisted to the drilling hole 101 through the crawler crane, after the drilling machine is installed in place, sleepers which are as long as the drilling machine are arranged on the two sides and the back of the drilling machine, I20I-shaped steel is welded on the outer sides of the sleepers to fix the drilling machine and prevent the drilling machine from vibrating to cause position deviation in the drilling process, then the triangular support frame fixedly connected with the pilot hole platform is hoisted through the crawler crane, and a drilling rod drill barrel is installed after the drill rod drill barrel is firmly fixed.
The work progress after the pilot hole can adopt prior art, is not the innovation point of the utility model, and is not detailed here.
It should be noted that, the condition of the bottom of the river bed and the gradient water depth are checked before the pilot hole, so as to manufacture the length of the pipe core 31 of the pilot hole platform and the distance between the adjusting holes 311, the corresponding size and the position of the drilling hole 101 are determined according to the size of the drilling machine and the height of the triangular supports, and meanwhile, the safety and hydrological monitoring are enhanced in the pilot hole process, and the influence of the sudden water rise on the upstream on the construction is prevented.
In the description herein, reference to the description of the terms "preferred embodiment," "one embodiment," "some embodiments," "an example," "a specific example" or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022072492.9U CN213267538U (en) | 2020-09-21 | 2020-09-21 | Leading hole platform for U-shaped sandstone riverbed steel trestle on shoal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022072492.9U CN213267538U (en) | 2020-09-21 | 2020-09-21 | Leading hole platform for U-shaped sandstone riverbed steel trestle on shoal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213267538U true CN213267538U (en) | 2021-05-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022072492.9U Expired - Fee Related CN213267538U (en) | 2020-09-21 | 2020-09-21 | Leading hole platform for U-shaped sandstone riverbed steel trestle on shoal |
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| Country | Link |
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| CN (1) | CN213267538U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115323893A (en) * | 2022-08-31 | 2022-11-11 | 中国建筑第二工程局有限公司 | Foundation pit slope turnover type steel trestle |
-
2020
- 2020-09-21 CN CN202022072492.9U patent/CN213267538U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115323893A (en) * | 2022-08-31 | 2022-11-11 | 中国建筑第二工程局有限公司 | Foundation pit slope turnover type steel trestle |
| CN115323893B (en) * | 2022-08-31 | 2024-09-27 | 中国建筑第二工程局有限公司 | Foundation pit slope turnover type steel trestle |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210525 |