CN211621643U - Precipitation well pipe connection structure - Google Patents
Precipitation well pipe connection structure Download PDFInfo
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- CN211621643U CN211621643U CN201922500268.2U CN201922500268U CN211621643U CN 211621643 U CN211621643 U CN 211621643U CN 201922500268 U CN201922500268 U CN 201922500268U CN 211621643 U CN211621643 U CN 211621643U
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- well
- connection structure
- well pipe
- dewatering
- pipe
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Abstract
The utility model relates to the technical field of precipitation well construction, and discloses a precipitation well casing connecting structure, which comprises a well casing, a clamping plate and a clamping sleeve, wherein the clamping plate and the clamping sleeve are respectively arranged at two ends of the well casing, and the clamping plate is a plurality of raised bars which are evenly arranged along the circumferential direction of the well casing at intervals; the cutting sleeve comprises a plurality of embedding blocks, the embedding blocks are provided with sliding grooves towards the axis direction of the well pipe, the end parts of the embedding blocks are provided with blocking plates, and the peripheries of the embedding blocks are provided with through holes; the convex strip is connected with the mosaic block through the sliding chute and limited by the barrier plate; the bolt penetrates through the through hole and blocks the raised line to move backwards, the front and the back of the raised line are respectively blocked by the bolt and the blocking plate, and the two well pipes are connected; the well pipes can be quickly and stably butted, so that the connection time is saved; the whole well pipe does not need to be processed into a whole and then lifted and lowered, and the device can be applied to places with barriers at high altitude; the requirement on large-scale hoisting machinery is reduced, the site space is saved, and the construction cost is saved.
Description
Technical Field
The utility model discloses a technical field of precipitation well construction particularly, relates to precipitation well casing connection structure.
Background
Abundant underground water environments exist in the excavation process of a large number of foundation pits; in order to provide a good dry construction environment for foundation pit excavation construction and foundation slab structure construction; simultaneously, the underground water in the foundation pit is drained, so that soil layers in the pit are drained and consolidated, and conditions for improving the effective stress of soil bodies to stabilize the side slope and slow down the enclosure deformation of the foundation pit are created; and by timely draining underground water in the foundation pit, the adverse conditions such as local sand flow, piping and the like in the excavation process are prevented, and the smooth construction is ensured. And a dewatering well is required to be arranged in the excavation process of the foundation pit.
In the prior art, the conventional dewatering well metal well pipe is usually connected by welding, which wastes time and labor; the welded metal well pipe is a whole, and subsequent excavation needs to be integrally lifted by a tall crane, so that the requirements on a field and mechanical equipment are high. The integral well pipe can not be lowered and lifted at the height-limited or high-altitude obstacle position.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a precipitation well casing connection structure aims at providing a precipitation well casing connection structure who conveniently connects.
The utility model discloses a so realized, precipitation well casing connection structure, including well casing, cardboard and cutting ferrule are in the both ends of well casing respectively, the cardboard is a plurality of sand grips of evenly spaced arrangement along the circumferencial direction of well casing; the cutting sleeve comprises a plurality of embedding blocks which are uniformly arranged at intervals along the circumferential direction of the well pipe, the embedding blocks are provided with sliding grooves towards the axis direction of the well pipe, the end parts of the embedding blocks are provided with blocking plates, and the peripheries of the embedding blocks are provided with through holes; the convex strip is connected with the mosaic block through the sliding groove and limited by the barrier plate; the bolt passes through the through-hole and hinders the sand grip moves backward, the sand grip around by respectively the bolt and the barrier plate hinders, two the well casing is connected.
Further, a convex strip hole is formed in the convex strip, and the bolt penetrates through the through hole and the convex strip hole simultaneously.
Further, the bead hole penetrates the bead and the well casing to the inside of the well casing.
Further, the bolt simultaneously passes through the mosaic block, the raised strip and the outer wall of the well pipe.
Further, the bolt passes through the through hole, the front end of the convex strip abuts against the stop plate, and the rear end of the convex strip abuts against the bolt.
Further, the length of the protruding strip is shorter than that of the sliding groove.
Furthermore, a plurality of anti-slip threads are formed in the sliding groove, and the anti-slip threads are arranged on the upper groove wall and the lower groove wall of the sliding groove and extend in the same direction as the rotation direction of the well pipe.
Furthermore, a plurality of anti-slip grooves are formed in the convex strips, and the anti-slip lines are in sliding fit with the anti-slip grooves respectively.
Further, the dewatering well casing connecting structure comprises an extension bar wrapped along the circumference of the well casing, and a plurality of the insert blocks are formed on the extension bar.
Further, a plurality of the beads are formed on an outer wall of the well pipe; the distance from the convex strip to the axis of the well pipe is less than the distance from the outer surface of the extension strip to the axis of the well pipe.
Compared with the prior art, the connecting structure of the dewatering well casing can quickly and stably butt the casing pipes, thereby saving the connecting time; the whole well pipe does not need to be processed into a whole and then lifted and lowered, and the device can be applied to places with barriers at high altitude; the requirement on large-scale hoisting machinery is reduced, the site space is saved, and the construction cost is saved.
Drawings
Figure 1 is a schematic front view of the dewatering well casing provided by the utility model.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. 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 following describes the implementation of the present invention in detail with reference to specific embodiments.
The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present invention, it should be understood that if there are the terms "upper", "lower", "left", "right", etc. indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of the description, but it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore the terms describing the positional relationship in the drawings are only for illustrative purposes and are not to be construed as limitations of the present patent, and those skilled in the art can understand the specific meanings of the terms according to specific situations.
Referring to fig. 1, the preferred embodiment of the present invention is shown.
The connecting structure of the dewatering well pipe provided by the embodiment can be used for other tubular structures, and is not limited to connecting dewatering well pipes.
The well casing connecting structure for the dewatering well comprises a well casing 11, a clamping plate 12 and a clamping sleeve 13, wherein the clamping plate 12 and the clamping sleeve 13 are respectively positioned at two ends of the well casing 11, and the clamping plate 12 is a plurality of raised strips 14 which are uniformly arranged at intervals along the circumferential direction of the well casing 11; the cutting sleeve 13 comprises a plurality of mosaic blocks 15 which are uniformly arranged at intervals along the circumferential direction of the well pipe 11, the mosaic blocks 15 are provided with sliding grooves towards the axis direction of the well pipe 11, the end parts of the mosaic blocks 15 are provided with stop plates, and the periphery of the mosaic blocks 15 is provided with through holes 17; the convex strip 14 is connected with the mosaic block 15 through the sliding groove and limited by the barrier plate; the bolt 16 passes through the through hole 17 and blocks the convex strip 14 to move backwards, the convex strip 14 is blocked by the bolt 16 and the blocking plate respectively in front and back, and two well pipes 11 are connected.
The well pipes 11 can be quickly and stably butted, so that the connection time is saved; the whole well pipe 11 does not need to be processed into a whole and then lifted and lowered, and the device can be applied to places with barriers at high altitude; the requirement on large-scale hoisting machinery is reduced, the site space is saved, and the construction cost is saved.
The convex strip 14 of the dewatering well pipe connecting structure has an embodiment: the convex strip 14 is provided with a convex strip 14 hole, and the bolt 16 simultaneously passes through the through hole 17 and the convex strip 14 hole; the convex strip 14 penetrates through the convex strip 14 and the well pipe 11 to the inside of the well pipe 11; the bolt 16 simultaneously penetrates through the mosaic block 15, the convex strip 14 and the outer wall of the well pipe 11; thereby achieving a better connection of the two well pipes 11.
The convex strip 14 of the dewatering well pipe connecting structure has another embodiment: the bolt 16 passes through the through hole 17, the front end of the convex strip 14 abuts against the stop plate, the rear end of the convex strip 14 abuts against the bolt 16, and the convex strip 14 is prevented from falling out of the sliding groove by the bolt 16.
Also the length of the rib 14 is shorter than the length of the runner; a plurality of anti-slip threads are formed in the sliding groove, are arranged on the upper groove wall and the lower groove wall of the sliding groove and respectively extend in the same rotating direction as the well pipe 11; be formed with many anti-skidding grooves on the sand grip 14, many anti-skidding lines respectively with many anti-skidding groove sliding fit, through using anti-skidding line, can further prevent sand grip 14 from following the roll-off in the spout.
Also, the dewatering well pipe connection structure includes an extension bar wrapped along the circumference of the well pipe 11, on which a plurality of inserts 15 are formed; a plurality of ribs 14 formed on the outer wall of the well pipe 11; the distance from the convex strip 14 to the axis of the well pipe 11 is less than the distance from the outer surface of the extending strip to the axis of the well pipe 11, so that the clamping plate 12 can be completely covered by the clamping sleeve 13, and better connection is realized.
The construction method of the dewatering well suitable for the height-limiting position comprises the following steps:
firstly, leveling a field;
secondly, releasing points of a dewatering well;
thirdly, drilling to form a hole;
fourthly, processing the well pipe 11;
fifthly, hoisting the well pipe 11 of the device in sections, and connecting the sections of well pipes 11 at the dewatering wellhead. The conventional well pipe 11 is an integral body after being manufactured, is overhigh in hoisting and is not suitable for a height limiting position; in the step, a plurality of sections are connected and matched with the well pipe 11 of the device, and the well pipe 11 can be put into a well without too high operation height; a centralizer can be added at the joint of the well pipes 11 for centralizing, so that the well pipes 11 are prevented from inclining.
Sixthly, measuring the depth of the inside and the outside of the well pipe 11 before gravel filling, wherein the depth value of the inside and the outside of the well pipe 11 is not too much different from that of the well pipe 11; the height of the gravel material should be measured at any time in the gravel filling process; the gravel packing process should be continued until the gravel is dropped into a predetermined position.
And seventhly, putting the air compressor air pipe and the drain pipe into the bottom of the hole in a connected mode, directly supplying air into the hole after the pipe opening valve of the drain pipe is closed, and enabling the water in the pipe to move up and down and the water in the aquifer to circulate up and down to achieve the effect of flushing the well wall and the aquifer. Closing the air compressor, starting air supply after opening a drain valve, and directly discharging the precipitate which is washed to the bottom of the hole in the first step out of the hole; repeating the first two steps until no precipitate or impurity is discharged from the hole.
Eighth step, install suction pump, level sensor, control box etc.: and the connecting circuit is used for setting the water level during working and electrifying.
And ninthly, installing the fence at the wellhead according to the specification to prevent personnel from falling into the well.
And step ten, the liquid level sensor obtains a signal and sends the signal to the control box, and the control box controls the water pump and automatically controls water pumping.
Eleventh, if the dewatering well is to be dug out, the well pipe 11 can be lifted up in sections.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The well pipe connecting structure of the dewatering well is characterized by comprising a well pipe, a clamping plate and a clamping sleeve, wherein the clamping plate and the clamping sleeve are respectively positioned at two ends of the well pipe, and the clamping plate is a plurality of raised lines which are uniformly arranged at intervals along the circumferential direction of the well pipe; the cutting sleeve comprises a plurality of embedding blocks which are uniformly arranged at intervals along the circumferential direction of the well pipe, the embedding blocks are provided with sliding grooves towards the axis direction of the well pipe, the end parts of the embedding blocks are provided with blocking plates, and the peripheries of the embedding blocks are provided with through holes; the convex strip is connected with the mosaic block through the sliding groove and limited by the barrier plate; the bolt passes through the through-hole and hinders the sand grip moves backward, the sand grip around by respectively the bolt and the barrier plate hinders, two the well casing is connected.
2. The dewatering well tubular connection structure according to claim 1, wherein the rib has a rib hole formed therein, and the bolt passes through the through hole and the rib hole simultaneously.
3. The dewatering well tubular connection structure of claim 2, wherein the bead bore extends through the bead and the well tubular to the well tubular interior.
4. The dewatering well tubular connection structure of claim 3, wherein the bolt passes through the insert, the rib, and the outer wall of the well tubular simultaneously.
5. The dewatering well tubular connection structure of claim 1, wherein the bolt passes through the through hole, a front end of the rib abuts the barrier plate, and a rear end of the rib abuts the bolt.
6. The dewatering well tubular connection structure according to any one of claims 1 to 5, wherein the length of the rib is shorter than the length of the slide groove.
7. The dewatering well casing connection structure according to any one of claims 1 to 5, wherein a plurality of the slip preventing ridges are formed in the slide groove, and the slip preventing ridges are formed on an upper groove wall and a lower groove wall of the slide groove so as to extend in the same direction as the rotation direction of the well casing.
8. The dewatering well casing connection structure according to claim 7, wherein the rib has a plurality of anti-slip grooves formed thereon, and the plurality of anti-slip grooves are slidably engaged with the plurality of anti-slip grooves, respectively.
9. The dewatering well tubular connection structure of any one of claims 1-5, wherein the dewatering well tubular connection structure includes an extension strip wrapped around a circumference of the well tubular, and a plurality of the inserts are formed on the extension strip.
10. The dewatering well tubular connection structure of claim 9, wherein a plurality of the ribs are formed on an outer wall of the well tubular; the distance from the convex strip to the axis of the well pipe is less than the distance from the outer surface of the extension strip to the axis of the well pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922500268.2U CN211621643U (en) | 2019-12-31 | 2019-12-31 | Precipitation well pipe connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922500268.2U CN211621643U (en) | 2019-12-31 | 2019-12-31 | Precipitation well pipe connection structure |
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| CN211621643U true CN211621643U (en) | 2020-10-02 |
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| CN201922500268.2U Active CN211621643U (en) | 2019-12-31 | 2019-12-31 | Precipitation well pipe connection structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114658016A (en) * | 2022-04-06 | 2022-06-24 | 中建八局第一建设有限公司 | Recoverable dewatering well pipe structure and mounting structure and construction method thereof |
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2019
- 2019-12-31 CN CN201922500268.2U patent/CN211621643U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114658016A (en) * | 2022-04-06 | 2022-06-24 | 中建八局第一建设有限公司 | Recoverable dewatering well pipe structure and mounting structure and construction method thereof |
| CN114658016B (en) * | 2022-04-06 | 2023-07-25 | 中建八局第一建设有限公司 | Recoverable dewatering well pipe structure and mounting structure and construction method thereof |
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