CN218669393U - Reusable pipe shed steel pipe end grouting connecting device with non-return cone valve - Google Patents
Reusable pipe shed steel pipe end grouting connecting device with non-return cone valve Download PDFInfo
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- CN218669393U CN218669393U CN202222735810.4U CN202222735810U CN218669393U CN 218669393 U CN218669393 U CN 218669393U CN 202222735810 U CN202222735810 U CN 202222735810U CN 218669393 U CN218669393 U CN 218669393U
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- pipe
- grouting
- cone valve
- return cone
- shed steel
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/25—Greenhouse technology, e.g. cooling systems therefor
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Abstract
The utility model discloses a reusable pipe shed steel pipe end grouting connecting device with a non-return cone valve, which is arranged on the grouting end of a pipe shed steel pipe, the grouting connecting device comprises a pipe cap connected with the grouting end of the pipe shed steel pipe and a plurality of grouting guide pipes communicated with the pipe cap, one end of each grouting guide pipe extending out of the pipe cap is connected with a slurry pump of grouting equipment, and the non-return cone valve is arranged in each grouting guide pipe; the non-return cone valve is disc-shaped when in a closed state, the diameter of the non-return cone valve is the same as the inner diameter of the grouting guide pipe, the non-return cone valve comprises a plurality of fixed plates which are arranged along the circumferential direction of the non-return cone valve and connected with the inner wall of the grouting guide pipe and rotating plates which are rotatably connected with the fixed plates, and the non-return cone valve is opened or closed by rotating the rotating plates; and a limiting device is arranged on one side surface of the non-return cone valve, which is back to the fluid input end of the grouting guide pipe. The utility model has the advantages that: and a non-return cone valve is arranged in the grouting connecting device, so that the grouting end of the pipe roof steel pipe is effectively plugged.
Description
Technical Field
The utility model belongs to the technical field of slip casting connecting device's technique and specifically relates to a but reuse formula pipe shed steel pipe end slip casting connecting device with non return cone valve.
Background
For tunnel excavation construction with weak surrounding rocks, the adoption of pipe shed advance support is one of effective measures for ensuring tunnel safe excavation construction. By combining the grouting technology, grouting slurry is pressed into surrounding rock cracks through the pipe wall holes of the steel pipes, so that loose rock bodies are cemented, the mechanical property of weak (broken) surrounding rocks is improved, the bearing capacity of the surrounding rocks is enhanced, the surrounding rocks are effectively inhibited from loosening and collapsing, and the purpose of reinforcing the surrounding rocks around the pipe shed is achieved. When the pipe shed steel pipe is grouted, due to the existence of grouting pressure, the grouting end of the pipe shed steel pipe needs to be effectively plugged after grouting is completed so as to prevent slurry from flowing back. Therefore, there is a need for a reusable pipe shed steel pipe end grouting connection device with a non-return cone valve to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a but reuse formula pipe shed steel pipe end slip casting connecting device with non return cone valve according to above-mentioned prior art not enough, through set up the non return cone valve in slip casting connecting device, realized the effective shutoff to the slip casting end of pipe shed steel pipe.
The utility model discloses the purpose is realized accomplishing by following technical scheme:
the utility model provides a but reuse formula pipe canopy steel pipe end slip casting connecting device with non return cone valve which characterized in that: the grouting connecting device is arranged at the grouting end of the pipe shed steel pipe and comprises a pipe cap connected with the grouting end of the pipe shed steel pipe and a plurality of grouting guide pipes communicated with the pipe cap, one ends of the grouting guide pipes extending out of the pipe cap are connected with a slurry pump of grouting equipment in a conveying mode, and the grouting guide pipes are internally provided with non-return cone valves;
the non-return cone valve is disc-shaped when in a closed state, the diameter of the non-return cone valve is the same as the inner diameter of the grouting guide pipe, the non-return cone valve comprises a plurality of fixing plates which are arranged along the circumferential direction of the non-return cone valve and connected with the inner wall of the grouting guide pipe and a rotating plate which is rotatably connected with the fixing plates, and the non-return cone valve is opened or closed by rotating the rotating plate; stop device is installed to the one side of non return cone valve back to the fluid input end of slip casting pipe, stop device is including installing each the rotor plate is back to rigid fixing ring and alternate in each on one side of the fluid input end of slip casting pipe the elasticity spacing ring in the rigid fixing ring, it is a plurality of be annular between the rigid fixing ring and arrange.
A stop lever is arranged between the adjacent fixing plates, one end of the stop lever is connected with the inner wall of the grouting guide pipe, and the other end of the stop lever extends to the circle center of the non-return cone valve; the two side edges of the rotating plates are provided with grooves with notches facing the fluid input end of the grouting guide pipe, when the non-return cone valve is in a closed state, adjacent rotating plates are in close contact with each other, and a stop lever placing groove can be formed between the adjacent grooves of the rotating plates and is placed in the stop lever placing groove, wherein the shape, size and depth of the stop lever placing groove meet the placing requirements of the stop lever.
The stop lever is a semi-cylinder, and the arc side face of the stop lever faces to the fluid input end and the diameter face of the grouting guide pipe and is in contact with the stop lever placing groove.
The circle center of the non-return cone valve is provided with a conical flow guide body, the conical flow guide body is connected with one end, extending to the circle center of the non-return cone valve, of the stop lever, and the conical point of the conical flow guide body points to the fluid input end of the grouting guide pipe.
The rotating plate is rotatably connected with the fixed plate through a rotating shaft.
One end of the grouting guide pipe, which extends out of the pipe cap, is in threaded connection with a slurry pumping pipe of the grouting equipment; the pipe cap is in threaded connection with the grouting end of the pipe shed steel pipe.
The pipe shed steel pipes are lengthened through threaded connection, and a plurality of slurry injection holes are formed in the pipe shed steel pipes along the length direction in the circumferential direction.
The utility model has the advantages that: the structure is simple, and the operation is convenient; by arranging the non-return cone valve in the grouting connecting device, the grouting end of the pipe shed steel pipe can be effectively plugged automatically according to the pressure difference on two sides of the non-return cone valve; the method can be repeatedly used, not only can facilitate convenient construction, but also can save construction cost.
Drawings
FIG. 1 is a schematic view of a steel pipe of the pipe shed of the present invention;
FIG. 2 is a perspective view of the grouting connecting device of the present invention;
FIG. 3 is a schematic view (one) of the closed state of the non-return cone valve of the present invention;
fig. 4 is a schematic view (one) of the open state of the check cone valve of the present invention;
fig. 5 is a schematic view (two) of the closed state of the non-return cone valve of the present invention;
fig. 6 is a schematic view (two) of the open state of the check cone valve of the present invention;
FIG. 7 is a front view of the check cone valve in a closed state;
FIG. 8 is a reverse side view of the closed state of the non-return cone valve of the present invention;
FIG. 9 is a front view of the open state of the check cone valve of the present invention;
fig. 10 is a reverse side view of the opening state of the check cone valve of the present invention.
Detailed Description
The features of the present invention and other related features are described in further detail below by way of example in conjunction with the accompanying drawings to facilitate understanding by those skilled in the art:
as shown in fig. 1-10, the marks 1-15 in the figures are respectively represented as a rotating plate 1, a fixed plate 2, a stop lever 3, a conical flow guide body 4, a rotating shaft 5, a rigid fixing ring 6, an elastic limiting ring 7, a pipe shed steel pipe 8, a grout injection hole 9, pipe shed steel pipe external threads 10, a pipe cap 11, a grouting guide pipe 12, grouting guide pipe external threads 13, pipe shed steel pipe internal threads 14 and pipe cap internal threads 15.
Example (b): as shown in fig. 1-10, this embodiment relates to a reusable pipe shed steel pipe end grouting connection device with a non-return cone valve, and the grouting connection device is installed at the grouting end of a pipe shed steel pipe 8, wherein the pipe shed steel pipe 8 is a commonly used steel pipe for tunnel advance support, the pipe shed steel pipes 8 are lengthened through threaded connection, specifically, both ends of the pipe shed steel pipe 8 are respectively provided with a pipe shed steel pipe external thread 10 and a pipe shed steel pipe internal thread 14, and the pipe shed steel pipe external thread 10 of one pipe shed steel pipe 8 is matched with the pipe shed steel pipe internal thread 14 of another pipe shed steel pipe 8, so that the two pipe shed steel pipes 8 are connected together. The pipe shed steel pipe 8 is circumferentially provided with a plurality of grout injection holes 9 along the length direction (the grout injection holes 9 are arranged in a quincunx shape), so that grouting grout can be conveniently injected into surrounding rock cracks through the grout injection holes 9, and a stable surrounding rock reinforcing ring can be formed around the pipe shed steel pipe 8 after the grout is condensed.
As shown in fig. 2-6, the grouting connection device comprises a pipe cap 11 in threaded connection with the grouting end of the pipe shed steel pipe 8 and a plurality of grouting guide pipes 12 communicated with the pipe cap 11, one end of the pipe cap 11 is closed, the other end is open, the inner side of the pipe cap is provided with pipe cap internal threads 15, one end of each grouting guide pipe 12 extending out of the pipe cap 11 is in threaded connection with a slurry pump delivery pipe of grouting equipment, and a non-return cone valve is installed in each grouting guide pipe 12. Specifically, the pipe cap internal thread 15 of the pipe cap 11 is matched with the pipe shed steel pipe external thread 10 of the pipe shed steel pipe 8, and the grouting pipe external thread 13 of the grouting pipe 12 is matched with the internal thread of a grouting pipe of grouting equipment. The number of the grouting pipes 12 provided on the closed end surface of the pipe cap 11 may be determined according to the type of grouting slurry and performance requirements.
As shown in fig. 7-10, the non-return cone valve is disc-shaped when in a closed state and has the same diameter as the inner diameter of the grouting guide pipe 12, the non-return cone valve comprises a plurality of fixing plates 2 (circular arc shape) arranged along the circumferential direction and connected with the inner wall of the grouting guide pipe 12 and a rotating plate 1 (fan shape) rotationally connected with the fixing plates 2 through a rotating shaft 5, a stop lever 3 is arranged between adjacent fixing plates 2, one end of each stop lever 3 is connected with the inner wall of the grouting guide pipe 12, and the other end of each stop lever extends to the circle center of the non-return cone valve. Both sides limit of rotor plate 1 all is seted up flutedly, the fluid input of this recess notch orientation slip casting pipe 12, when non return cone valve is in closed state, intimate contact and can form the pin standing groove between the recess of adjacent rotor plate 1 between the adjacent rotor plate 1, pin 3 places in the pin standing groove, pin 3 can play the effect of restriction rotor plate 1's motion, make it not take place the rotation of the fluid input of orientation slip casting pipe 12, wherein, pin standing groove shape, size, the degree of depth all satisfies pin 3's the requirement of placing. In this embodiment, the stop lever 3 is a semi-cylinder, and the arc side surface (semi-arc surface) of the stop lever 3 contacts with the stop lever placing groove toward the fluid input end and the diameter surface (plane) of the grouting guide 12, that is, the width of the groove on the side of the rotating plate 1 is equal to the radius of the stop lever 3. In addition, the contact surface of the stop lever 3 and the groove of the rotating plate 1 can be processed with anti-seepage treatment to prevent the fluid from seeping out.
As shown in fig. 7-10, the reverse side (i.e., the side of the output face facing away from the fluid input end of the grouting conduit 12) of the inverted cone valve is provided with a limiting device. The limiting device comprises rigid fixing rings 6 arranged at the centers of the reverse sides (namely the output sides, the sides back to the fluid input ends of the grouting guide pipes 12) of the rotating plates 1 and elastic limiting rings 7 inserted in the rigid fixing rings 6, wherein the rigid fixing rings 7 are annularly arranged. When the front surface (i.e. the input surface, the side surface facing the fluid input end of the grouting guide pipe 12) of the rotating plate 1 is not subjected to fluid pressure, i.e. the fluid input end of the grouting guide pipe 12 has no pressure fluid input, the rotating plate 1 is in a closed state due to the contraction action of the elastic limiting ring 7, i.e. the non-return cone valve is closed and the grouting guide pipe 12 is closed; when fluid is pressurized and input at the fluid input end of the grouting guide pipe 12, when the fluid pressure reaches a certain degree, and the fluid pressure borne on the rotating plate 1 exceeds the contraction pulling force of the elastic limiting ring 7, the rotating plate 1 can rotate around the rotating shaft 5 under the action of the fluid pressure on the front surface of the rotating plate 1, the rotating plate 1 is not closed any more, and the fluid flows forwards along a channel formed between the rotating plates 1.
In addition, when the fluid pressure input from the fluid input end of the grouting guide pipe 12 is reduced or the fluid input is stopped, the fluid pressure borne by the rotating plate 1 is reduced or disappears, and the rotating plate 1 can rotate around the rotating shaft 5 to be closed under the combined action of the contraction pulling force of the elastic limiting ring 7 on the reverse side and the fluid pressure borne on the reverse side; meanwhile, due to the restriction of the stop lever 3 on the rotation radian of the rotating plate 1, even when the fluid input end of the grouting guide pipe 12 stops the fluid input and the reverse side of the rotating plate 1 bears large fluid pressure, the rotating plate 1 still cannot rotate towards the fluid input end of the grouting guide pipe 12, namely, the non-return cone valve cannot be opened reversely, and the fluid cannot flow reversely.
As shown in fig. 7-10, a conical flow guiding body 4 is disposed at the center of the non-return cone valve, the conical flow guiding body 4 is connected to one end of the stop lever 3 extending to the center of the non-return cone valve, and the conical tip of the conical flow guiding body 4 points to the fluid input end of the grouting conduit 12 to perform a flow guiding function.
The beneficial technical effects of this embodiment do: the structure is simple, and the operation is convenient; by arranging the non-return cone valve in the grouting connecting device, the grouting end of the pipe shed steel pipe can be effectively plugged automatically according to the pressure difference on two sides of the non-return cone valve; the method can be repeatedly used, not only can facilitate convenient construction, but also can save construction cost.
Although the conception and the embodiments of the present invention have been described in detail with reference to the drawings, those skilled in the art will recognize that various changes and modifications can be made therein without departing from the scope of the appended claims, and therefore, the description thereof is not repeated herein.
Claims (7)
1. The utility model provides a but reuse formula pipe canopy steel pipe end slip casting connecting device with non return cone valve which characterized in that: the grouting connecting device is arranged at the grouting end of the pipe shed steel pipe and comprises a pipe cap connected with the grouting end of the pipe shed steel pipe and a plurality of grouting guide pipes communicated with the pipe cap, one ends of the grouting guide pipes extending out of the pipe cap are connected with a slurry pump of grouting equipment in a conveying mode, and the grouting guide pipes are internally provided with non-return cone valves;
the non-return cone valve is disc-shaped when in a closed state, the diameter of the non-return cone valve is the same as the inner diameter of the grouting guide pipe, the non-return cone valve comprises a plurality of fixing plates which are arranged along the circumferential direction of the non-return cone valve and connected with the inner wall of the grouting guide pipe and a rotating plate which is rotatably connected with the fixing plates, and the non-return cone valve is opened or closed by rotating the rotating plate; stop device is installed to the one side of non return cone valve back to the fluid input end of slip casting pipe, stop device is including installing each the rotor plate is back to rigid fixing ring and alternate in each on one side of the fluid input end of slip casting pipe the elasticity spacing ring in the rigid fixing ring, it is a plurality of be annular between the rigid fixing ring and arrange.
2. The reusable pipe shed steel pipe end grouting connecting device with the check cone valve as claimed in claim 1, wherein: a stop lever is arranged between the adjacent fixing plates, one end of the stop lever is connected with the inner wall of the grouting guide pipe, and the other end of the stop lever extends to the circle center of the non-return cone valve; the two side edges of the rotating plates are provided with grooves with notches facing the fluid input end of the grouting guide pipe, when the non-return cone valve is in a closed state, adjacent rotating plates are in close contact with each other, and a stop lever placing groove can be formed between the adjacent grooves of the rotating plates and is placed in the stop lever placing groove, wherein the shape, size and depth of the stop lever placing groove meet the placing requirements of the stop lever.
3. A reusable pipe shed steel pipe end grouting connecting device with a non-return cone valve as claimed in claim 2, characterized in that: the stop lever is a semi-cylinder, and the arc side face of the stop lever faces to the fluid input end and the diameter face of the grouting guide pipe and is in contact with the stop lever placing groove.
4. A reusable pipe shed steel pipe end grouting connecting device with a non-return cone valve as claimed in claim 2, characterized in that: the circle center of the non-return cone valve is provided with a conical flow guide body, the conical flow guide body is connected with one end, extending to the circle center of the non-return cone valve, of the stop lever, and the conical point of the conical flow guide body points to the fluid input end of the grouting guide pipe.
5. The reusable pipe shed steel pipe end grouting connecting device with the check cone valve as claimed in claim 1, wherein: the rotating plate is rotatably connected with the fixed plate through a rotating shaft.
6. The reusable pipe shed steel pipe end grouting connecting device with the check cone valve as claimed in claim 1, wherein: one end of the grouting guide pipe, which extends out of the pipe cap, is in threaded connection with a slurry pumping pipe of the grouting equipment; the pipe cap is in threaded connection with the grouting end of the pipe shed steel pipe.
7. The reusable pipe shed steel pipe end grouting connecting device with the check cone valve as claimed in claim 1, wherein: the pipe shed steel pipes are lengthened through threaded connection, and a plurality of slurry injection holes are circumferentially formed in the pipe shed steel pipes along the length direction of the pipe shed steel pipes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222735810.4U CN218669393U (en) | 2022-10-18 | 2022-10-18 | Reusable pipe shed steel pipe end grouting connecting device with non-return cone valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222735810.4U CN218669393U (en) | 2022-10-18 | 2022-10-18 | Reusable pipe shed steel pipe end grouting connecting device with non-return cone valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218669393U true CN218669393U (en) | 2023-03-21 |
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ID=85564456
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222735810.4U Active CN218669393U (en) | 2022-10-18 | 2022-10-18 | Reusable pipe shed steel pipe end grouting connecting device with non-return cone valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218669393U (en) |
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2022
- 2022-10-18 CN CN202222735810.4U patent/CN218669393U/en active Active
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