CN215979398U - Concrete foundation pours stage water delivery steel pipe and prevents come-up device - Google Patents
Concrete foundation pours stage water delivery steel pipe and prevents come-up device Download PDFInfo
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- CN215979398U CN215979398U CN202121471597.XU CN202121471597U CN215979398U CN 215979398 U CN215979398 U CN 215979398U CN 202121471597 U CN202121471597 U CN 202121471597U CN 215979398 U CN215979398 U CN 215979398U
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Abstract
The utility model relates to the technical field of shield tunnel pipeline construction, and particularly discloses a device for preventing a water delivery steel pipe from floating upwards in a concrete base pouring stage, which comprises a telescopic rod, wherein the telescopic rod comprises a screw rod and a threaded sleeve matched with the screw rod, a jack is arranged at one end of the telescopic rod, and a base is arranged at the other end of the telescopic rod; the base comprises a mounting plate connected with the telescopic rod, two frame-shaped support frames are hinged to the mounting plate, and an adjusting mechanism used for adjusting the angles of the two frame-shaped support frames is arranged between the two frame-shaped support frames. The utility model can better avoid the steel pipe floating up when concrete is poured, and better improves the stability of the steel pipe in the shield tunnel during construction, thereby better improving the efficiency of the construction of the steel pipe in the shield tunnel.
Description
Technical Field
The utility model relates to the technical field of shield tunnel pipeline construction, in particular to a device for preventing a water delivery steel pipe from floating upwards in a concrete foundation pouring stage.
Background
The water resource distribution is uneven, more people and less water are the basic national conditions and water conditions of China, the construction of major water transfer projects, key water source projects, newly built large irrigation area projects and the like is accelerated along with the overall entering of China into the well-off society, and the water-saving water supply major water conservancy projects in China are accelerated. As the conveying tunnel in the diversion project is longer and longer, and more long-distance water taking and draining projects adopt a shield method tunnel design, the method is widely applied to projects such as water supply and drainage pipelines, water drainage and storage tunnels, large hydraulic tunnels and the like.
In the process of pouring the concrete-filled steel tube base in the shield tunnel, the buoyancy generated by concrete on the steel tube is overlarge, so that the problems of integral floating of the steel tube, elevation change of a water delivery direction, deformation of the steel tube and the like are caused.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model is solved by the following technical scheme:
a water delivery steel pipe anti-floating device in a concrete foundation pouring stage comprises a telescopic rod, wherein the telescopic rod comprises a screw rod and a threaded sleeve matched with the screw rod, a jack is arranged at one end of the telescopic rod, and a base is arranged at the other end of the telescopic rod; the base comprises a mounting plate connected with the telescopic rod, two frame-shaped support frames are hinged to the mounting plate, and an adjusting mechanism used for adjusting the angles of the two frame-shaped support frames is arranged between the two frame-shaped support frames.
The utility model can better avoid the steel pipe floating up when concrete is poured, and better improves the stability of the steel pipe in the shield tunnel during construction, thereby better improving the efficiency of the construction of the steel pipe in the shield tunnel.
Preferably, the screw rod is provided with a nut matched with the screw rod.
According to the utility model, through the arrangement of the nut, the stability of the water delivery steel pipe anti-floating device in the use process in the concrete base pouring stage is better improved.
As preferred, all be equipped with the erection column along its length direction's both ends on the mounting panel, the frame shape support frame includes two bar plates, the middle part of bar plate be equipped with erection column matched with bar plate through-hole, be equipped with two connecting plates that are used for connecting two bar plates between two bar plates, two connecting plates set up in bar plate length direction's both ends relatively.
According to the utility model, through the arrangement of the frame-shaped support frame structure, the stability of the water delivery steel pipe anti-floating device in the use process in the concrete base pouring stage is better improved.
Preferably, the adjusting mechanism comprises a threaded connection cylinder arranged between the frame-shaped support frames, two ends of the threaded connection cylinder are open, threaded columns are arranged at two ends of the threaded connection cylinder in a matched mode, the thread directions of the threaded columns at two ends of the threaded connection cylinder are arranged in a reverse mode, an annular groove is formed in a connecting plate at the upper end portions of the two frame-shaped support frames, and an annular connector matched with the annular groove is arranged at the end portion, far away from the threaded connection cylinder, of the threaded column.
According to the utility model, the angle of the frame-shaped support frame can be conveniently adjusted by arranging the adjusting mechanism structure.
Preferably, the number of the annular grooves is two and is uniformly distributed along the length direction of the connecting plate.
According to the utility model, the stability of the anti-floating device for the water delivery steel pipe in the concrete base pouring stage is further improved by the arrangement of the number of the annular grooves.
Preferably, the jack is a hand-operated jack.
In the utility model, the jack is set to be a hand-operated jack, so that the daily use of workers is facilitated.
Drawings
Fig. 1 is a schematic view showing the use of the device for preventing a floating of a water-transporting steel pipe in the concrete foundation pouring stage in example 1.
Fig. 2 is a schematic structural view of the anti-floating device for the water-conveying steel pipe in the concrete foundation pouring stage in fig. 1.
Detailed Description
For a further understanding of the utility model, reference should be made to the following detailed description taken in conjunction with the accompanying drawings and examples. It is to be understood that the examples are illustrative of the utility model and not limiting.
Example 1
As shown in fig. 1-2, the embodiment provides a device for preventing a water-conveying steel pipe from floating upwards in a concrete foundation pouring stage, which includes a telescopic rod 110, wherein the telescopic rod 110 includes a screw rod 111 and a threaded sleeve 112 matched with the screw rod 111, the screw rod 111 is provided with a nut 140 matched with the screw rod 111, one end of the telescopic rod 110 is provided with a jack 120, wherein the jack 120 is a hand-operated jack, and the other end of the telescopic rod 110 is provided with a base 130; the base 130 includes the mounting panel 210 that is connected with the telescopic link 110, it has two frame shape support frames 220 to articulate on the mounting panel 210, all be equipped with erection column 230 along its length direction's both ends on the mounting panel 210, frame shape support frame 220 includes two bar plates 221, the middle part of bar plate 221 is equipped with the bar plate through-hole 221a with erection column 230 matched with, be equipped with two connecting plates 222 that are used for connecting two bar plates 221 between two bar plates 221, two connecting plates 222 set up in bar plate 221 length direction's both ends relatively. An adjusting mechanism for adjusting the angle of the two frame-shaped supporting frames 220 is arranged between the two frame-shaped supporting frames 220. The adjusting mechanism comprises threaded connecting cylinders 240 arranged between the frame-shaped supporting frames 220, openings are formed in two ends of the threaded connecting cylinders 240, threaded columns 250 are arranged at two ends of the threaded connecting cylinders 240 in a matched mode, the threaded directions of the threaded columns 250 at two ends of the threaded connecting cylinders 240 are arranged in a reverse mode, annular grooves 222a are formed in the connecting plates 222 at the upper end portions of the two frame-shaped supporting frames 220, and the number of the annular grooves 222a is two and the annular grooves are evenly distributed along the length direction of the connecting plates 222. The end of the threaded stud 250 remote from the threaded connector barrel 240 is provided with an annular connector 260 which mates with the annular recess 222 a.
When the device for preventing the water delivery steel pipe from floating upwards in the concrete base pouring stage in the embodiment is used, the angle of the two frame-shaped support frames 220 is firstly adjusted, then the telescopic rod 110 is placed between the steel pipe 150 and the duct piece 160, and the jack 120 is driven to enable the upper end part of the jack 120 to abut against the duct piece 160, so that when concrete is poured, the telescopic rod 110 can abut against the steel pipe 150 to prevent the steel pipe 150 from floating upwards. The concrete foundation in this embodiment pours stage water delivery steel pipe and prevents floating device can be the better avoid steel pipe 150 take place the come-up when pouring concrete, the promotion of preferred steel pipe 150 in the shield tunnel stability when building to the promotion of preferred steel pipe 150's in the shield tunnel efficiency of building.
Through the setting of nut, the better stability of lifting and shrinking pole 110 when using that has promoted to the better stability of this concrete foundation pouring stage water delivery steel pipe anti-floating device when using that has promoted.
Through setting up jack 120 to hand formula jack, the accessible is manual to be rotated and is adjusted to can be comparatively convenient adjust it, made things convenient for workman's daily use.
Through the setting of frame shape support frame 220 structure for frame shape support frame 220 can carry out angle modulation according to the size of steel pipe 150 when using, thereby the better promotion this concrete foundation pour stage water delivery steel pipe prevent the stability of floating device when using.
Through the setting of adjustment mechanism structure for workman's accessible rotates threaded connection section of thick bamboo 240 and adjusts the angle of frame shape support frame 220, thereby comparatively convenient realization to the regulation of frame shape support frame 220 angle.
Through the setting of annular groove 222a quantity, the better promotes adjustment mechanism's structural strength to further promoted this concrete foundation pour stage water delivery steel pipe and prevented the stability of floating device when using.
In summary, the above-mentioned embodiments are only preferred embodiments of the present invention, and all equivalent changes and modifications made in the claims of the present invention should be covered by the claims of the present invention.
Claims (6)
1. The utility model provides a concrete foundation pours stage water delivery steel pipe and prevents floating device which characterized in that: the telescopic rod comprises a telescopic rod (110), wherein the telescopic rod (110) comprises a screw rod (111) and a threaded sleeve (112) matched with the screw rod (111), one end of the telescopic rod (110) is provided with a jack (120), and the other end of the telescopic rod (110) is provided with a base (130); the base (130) comprises a mounting plate (210) connected with the telescopic rod (110), the mounting plate (210) is hinged with two frame-shaped support frames (220), and an adjusting mechanism used for adjusting the angles of the two frame-shaped support frames (220) is arranged between the two frame-shaped support frames (220).
2. The device of claim 1 for preventing the water delivery steel pipe from floating upwards in the concrete foundation pouring stage is characterized in that: the screw rod (111) is provided with a nut (140) matched with the screw rod (111).
3. The device of claim 1 for preventing the water delivery steel pipe from floating upwards in the concrete foundation pouring stage is characterized in that: all be equipped with erection column (230) along its length direction's both ends on mounting panel (210), frame shape support frame (220) include two strip shaped plate (221), the middle part of strip shaped plate (221) be equipped with erection column (230) matched with strip shaped plate through-hole (221a), be equipped with two connecting plates (222) that are used for connecting two strip shaped plate (221) between two strip shaped plate (221), two connecting plates (222) set up in strip shaped plate (221) length direction's both ends relatively.
4. The device of claim 3 for preventing the water delivery steel pipe from floating upwards in the concrete foundation pouring stage is characterized in that: the adjusting mechanism comprises a threaded connecting cylinder (240) arranged between frame-shaped supporting frames (220), openings are formed in two ends of the threaded connecting cylinder (240), threaded columns (250) are arranged at two ends of the threaded connecting cylinder (240) in a matched mode, the threaded directions of the threaded columns (250) at two ends of the threaded connecting cylinder (240) are reversely arranged, an annular groove (222a) is formed in a connecting plate (222) of the upper end portions of the two frame-shaped supporting frames (220), and an annular connecting head (260) matched with the annular groove (222a) is arranged at the end portion, far away from the threaded connecting cylinder (240), of the threaded column (250).
5. The device of claim 1 for preventing the water delivery steel pipe from floating upwards in the concrete foundation pouring stage is characterized in that: the number of the annular grooves (222a) is two and is uniformly distributed along the length direction of the connecting plate (222).
6. The device of claim 1 for preventing the water delivery steel pipe from floating upwards in the concrete foundation pouring stage is characterized in that: the jack (120) is a hand-operated jack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121471597.XU CN215979398U (en) | 2021-06-30 | 2021-06-30 | Concrete foundation pours stage water delivery steel pipe and prevents come-up device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121471597.XU CN215979398U (en) | 2021-06-30 | 2021-06-30 | Concrete foundation pours stage water delivery steel pipe and prevents come-up device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215979398U true CN215979398U (en) | 2022-03-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121471597.XU Active CN215979398U (en) | 2021-06-30 | 2021-06-30 | Concrete foundation pours stage water delivery steel pipe and prevents come-up device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215979398U (en) |
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2021
- 2021-06-30 CN CN202121471597.XU patent/CN215979398U/en active Active
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