CN218151058U - Splash-proof device for underground high-pressure pipeline - Google Patents
Splash-proof device for underground high-pressure pipeline Download PDFInfo
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- CN218151058U CN218151058U CN202222346235.9U CN202222346235U CN218151058U CN 218151058 U CN218151058 U CN 218151058U CN 202222346235 U CN202222346235 U CN 202222346235U CN 218151058 U CN218151058 U CN 218151058U
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- protective baffle
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Abstract
The utility model provides a splash-proof device for underground high-pressure pipeline belongs to the technical field of high-pressure pipeline equipment in the colliery, including pipe strap, bolt assembly, guard flap, locating plate, expansion bolt assembly, the middle part of pipe strap is semi-circular cavity, semi-circular cavity and high-pressure pipeline adaptation, high-pressure pipeline are located two circular cavity between the pipe strap, the pipe strap has four at least, evenly installs in the flange both sides, guard flap installs on the pipe strap through bolt assembly, guard flap is located one side towards the centre of roadway, there is the cavity in guard flap middle part, the cavity covers the flange, one end of locating plate is connected on the pipe strap through bolt assembly, the other end of locating plate passes through the expansion bolt assembly and connects on the side of roadway; when the high-pressure liquid leaks from the flange sealing surface, the high-pressure liquid is sprayed along the sealing surface in a short time (within 5 s), and the device can prevent the high-pressure liquid from splashing and hurting people.
Description
Technical Field
The utility model relates to a colliery is high-pressure line in pit and is equipped technical field, especially relates to a high-pressure line in pit is with preventing splash device.
Background
The hydraulic support is used as one of core devices of fully mechanized coal mining of underground working faces of coal mines and mainly depends on hydraulic pressure as power to drive the hydraulic support to work. The traditional working face liquid supply equipment is generally arranged on a crossheading equipment train, and the equipment train needs to be frequently moved along with the stoping work. The equipment has the advantages of large number of trains, large length, heavy tonnage, high labor intensity, poor equipment operation environment and high field management difficulty.
With the intelligent upgrade of coal mine working faces, remote liquid supply is a popularization technology of equipment configuration of large, medium and large, especially intelligent fully mechanized coal mining working faces in China at present, an emulsion pump station and a spray pump station are separated from an equipment train, the pump station and the spray pump station are moved to a crossheading interface of the working faces or fixedly arranged outside the crossheading interface, and emulsion and high-pressure spray are conveyed to the mining working faces through high-pressure pipelines. Its main advantage is: (1) The total weight of the traditional mobile power station train is greatly reduced, and the labor intensity of workers is reduced; (2) the crossheading space occupied by the mobile power station is saved; (3) reducing the load of the mobile substation; (4) The working environment of the pump station equipment is improved, and the maintenance is facilitated. The liquid supply distance can reach 4-5 km generally, the liquid supply pipeline adopts a high-pressure steel pipe, and the working pressure can reach 30-40 MPa. The disadvantages are that: the pipeline usually adopts flange joint, and the sealed face of flange is as weak link, has the risk of leaking, in case leak, and high-pressure liquid sprays probably to cause nearby personnel's injury. At present, a high-pressure remote liquid supply pipeline is laid in a roadway for a long distance (4-5 km), no protective measures are taken, and a worker walks in the roadway to move, so that certain potential safety hazards exist.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a high pressure line is with preventing splash device in pit, prevents that the sealed face of flange from leaking and causing high-pressure liquid splash to hinder the people.
The utility model discloses a solve above-mentioned technical problem through following technical scheme:
an anti-splashing device for an underground high-pressure pipeline comprises a pipe clamp, a bolt assembly, a protective baffle, a positioning plate and an expansion bolt assembly; the middle of each pipe clamp is a semicircular concave cavity, the semicircular concave cavities are matched with high-pressure pipelines, the high-pressure pipelines are located in the circular cavities between the two pipe clamps, the number of the pipe clamps is at least four, the pipe clamps are uniformly installed on two sides of a flange, a protective baffle is installed on each pipe clamp through a bolt assembly and located on one side facing the center of a roadway, the concave cavities are formed in the middle of the protective baffle, the flanges are covered by the concave cavities, one end of a positioning plate is connected to each pipe clamp through the bolt assembly, and the other end of the positioning plate is connected to the side of the roadway through an expansion bolt assembly.
The technical scheme of the utility model, through installing the pipe strap in flange both sides, the semi-circular cavity that suits with the high-pressure line appearance is processed into at the middle part of pipe strap, circular cavity in the middle of two pipe straps align the back is used for placing the high-pressure line, it can provide the support point of taking root for guard flap and locating plate to set up the pipe strap in the high-pressure line both sides, bolt assembly fixed mounting is passed through on the pipe strap at the guard flap both ends, and be located the high-pressure line towards one side at tunnel center, the flange can be covered to the cavity in the middle of the guard flap, the locating plate can guarantee that guard flap and pipe strap can not take place to rotate, when the flange seal face takes place high-pressure liquid and reveals, high-pressure liquid sprays along sealed face short-term (in 5 s), the device can prevent that high-pressure liquid from splashing and hindering the people.
Furthermore, a plurality of hole sites are arranged on the end surfaces of the two sides of the pipe clamp, and the bolt assemblies are installed in the hole sites.
Further, mounting holes are formed in two ends of the protective baffle, and the bolt assembly is mounted in the mounting holes.
Furthermore, an observation window is arranged on the protective baffle plate, and the observation window is hinged on the protective baffle plate.
Furthermore, a handle is arranged on the observation window.
Furthermore, the number of the positioning plates is two, and the two positioning plates are respectively positioned on two sides of the flange.
Furthermore, the concave cavity in the middle of the protective baffle is a rectangular concave cavity.
Further, the concave cavity in the middle of the protective baffle is a polygonal concave cavity.
Further, the concave cavity in the middle of the protective baffle is a semicircular concave cavity.
Further, the bolt assembly includes a bolt, a nut, a washer, and the like.
Compared with the prior art, the utility model provides a high-pressure line is with preventing splash device in pit possesses following beneficial effect:
1. the utility model discloses in through installing the pipe strap in flange both sides, the semi-circular cavity that suits with the high-pressure line appearance is processed into at the middle part of pipe strap, circular cavity in the middle of two pipe straps align the back is used for placing the high-pressure line, it can provide the supporting point of taking root for guard flap and locating plate to set up the pipe strap in the high-pressure line both sides, bolt assembly fixed mounting is passed through on the pipe strap at the guard flap both ends, and be located the high-pressure line towards one side at tunnel center, the flange can be covered to the cavity in the middle of the guard flap, the locating plate can guarantee that guard flap and pipe strap can not take place to rotate, when the sealed face of flange takes place high-pressure liquid and reveals, high-pressure liquid sprays along sealed face short-term (in 5 s), the device can prevent that high-pressure liquid from splashing and hindering the people.
2. The utility model discloses well pipe strap, guard flap and locating plate all adopt the bolt-up, need not to weld, and the installation is all simple and convenient with the dismantlement, adapts to the condition in the pit.
3. The utility model discloses well device overall light in weight can not excessively aggravate high-pressure line load, is fit for popularizing and applying.
Drawings
Fig. 1 is a top view of the splash guard for a downhole high-pressure pipeline of the present invention;
fig. 2 is a front view of the splash guard for downhole high-pressure lines of the present invention;
FIG. 3 is a side view of the splash guard for downhole high pressure tubing of the present invention;
FIG. 4 is a front view of the pipe clamp of the splash guard for downhole high pressure pipelines of the present invention;
FIG. 5 is a side view of the pipe clamp of the splash guard for downhole high pressure pipelines of the present invention;
fig. 6 is a front view of a splash guard for an anti-splash device for a downhole high-pressure pipe of the present invention;
fig. 7 is a side view of a splash guard of the splash guard for downhole high-pressure lines of the present invention;
FIG. 8 is a schematic view of a positioning plate of the splash guard for the underground high-pressure pipeline according to the present invention;
fig. 9 is an expanded schematic view of the positioning plate of the splash-proof device for the underground high-pressure pipeline according to the present invention;
fig. 10 is a side view of an anti-splash device for a downhole high-pressure line of another protective barrier of the present invention;
FIG. 11 is a side view of an anti-splash device for a downhole high pressure line of another protective barrier of the present invention;
in the figure: 1 high-pressure pipeline, 2 flanges, 3 pipe clamps, 31 semicircular cavities, 32 hole positions, 4 bolt assemblies, 5 protective baffles, 51 observation windows, 52 hinges, 53 handles, 54 mounting holes, 6 positioning plates, 7 expansion bolt assemblies, 8 positioning supports, 9 roadway side walls, 10 roadway bottom plates and 11 horizontal planes.
Detailed Description
To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The technical solution of the present invention is further described below with reference to the drawings and specific embodiments of the specification:
example one
As shown in fig. 1, a splash preventing apparatus for a downhole high-pressure pipe includes: pipe strap 3, bolt assembly 4, guard flap 5, locating plate 6, expansion bolts subassembly 7.
The high-pressure pipeline 1 is a high-pressure steel pipe, the working pressure can reach 30-40 MPa, the high-pressure pipeline 1 is fixedly installed at one end of a positioning support 8, the other end of the positioning support 8 is fixed on a roadway side wall 9, referring to fig. 1 and fig. 2, the high-pressure pipeline 1 is installed in parallel to a roadway bottom plate 10, a certain safety distance is reserved from the roadway bottom plate 10, the roadway bottom plate 10 is inclined at a certain angle under normal conditions, an included angle is formed between the roadway bottom plate 10 and a horizontal plane 11, and the included angle is generally 0-30 degrees.
The flanges 2 are used for connecting the two sections of high-pressure pipelines 1, the flanges 2 are used in pairs, the two flanges 2 are fixedly connected through bolts, a sealing surface is formed on the contact surface of the two flanges 2, a sealing ring is arranged on the sealing surface, and the pipe is high in strength and complete in structural sealing.
As shown in fig. 3, the middle part of the pipe clamp 3 is processed into a semicircular concave cavity 31 which is matched with the shape of the high-pressure pipeline 1, and can provide a rooting supporting point for the protective baffle 5 and the positioning plate 6. Referring to fig. 4-5, four hole sites 32 are respectively processed on the end surfaces of the two sides of the pipe clamp 3, wherein one hole site 32 is located near the end and is mainly used for mounting the bolt assembly 4 and for fixedly mounting the protective baffle 5, and the other three hole sites 32 are located near the semicircular cavity 31 and are mainly used for mounting the bolt assembly 4 and for fixedly mounting the two pipe clamps 3. When the pipe clamps 3 are installed, the high-pressure pipeline 1 is located in a circular cavity formed by assembling the semicircular cavities 31 of the two pipe clamps 3, the hole positions 32 on the two pipe clamps 3 are aligned, the installation bolt assemblies 4 are fixed, and when the diameter of the high-pressure pipeline 1 changes, the hole positions 32 close to the semicircular cavities 31 can be increased or reduced as required.
The two ends of the protective baffle 5 are fixedly installed on the pipe clamp 3 through the bolt assemblies 4 and located on one side, facing the center of a roadway, of the high-pressure pipeline 1, referring to fig. 6-7, a rectangular concave cavity is formed in the middle of the protective baffle 5 and can cover the flange 2, two ends of the protective baffle are respectively provided with a mounting hole 54, an observation window 51 is arranged on the protective baffle 5, the observation window 51 is connected to the plate surface of the protective baffle 5 through a hinge 52, a handle 53 is arranged on the observation window 51, and the observation window can be freely opened and closed through pulling the handle 53. Normally, the observation window 51 is in a closed state, and when the flange 2 needs to be repaired, the observation window 51 can be opened.
One end of the positioning plate 6 is fixed on the pipe clamp 3 through the bolt assembly 4, the other end of the positioning plate is fixed on the roadway side wall 9 through the expansion bolt 7, and the protective baffle 5 and the pipe clamp 3 can be integrally fixed through the positioning plate 6, so that the protective baffle 5 and the pipe clamp 3 are ensured not to rotate radially.
The bolt assembly 4 comprises a bolt, a nut, a gasket and the like, when the two pipe clamps 3 are installed, the bolt is arranged in hole positions 32, close to the semi-circle 31, on the two pipe clamps 3 in a penetrating mode, the nut is sleeved on the bolt, when the protective baffle 5 is installed, the bolt is arranged in hole positions 54 on two sides of the protective baffle 5 and hole positions 32, close to the end portions, on the pipe clamps 3 in a penetrating mode, the nut is sleeved on the bolt, and when the positioning plate 6 is installed, one end hole position of the positioning plate 6 is directly arranged on one hole position 32, close to the semi-circle 31, of the bolt. The expansion bolt 7 includes an expansion bolt and a nut.
The working principle is as follows: the high-pressure pipeline 1 is connected through the two flanges 2, the contact surfaces of the two flanges 2 form sealing surfaces, sealing rings are arranged at the sealing surfaces, under normal conditions, the sealing surfaces cannot leak high-pressure liquid, but the sealing performance of the joint of the flanges 2 of the high-pressure pipeline 1 is relatively weak, when high-pressure fluid flows through the high-pressure pipeline 1 or fluctuates, the flanges 2 slightly displace, the pressing force of the flanges 2 applied to the sealing rings correspondingly changes, the elastic deformation of the sealing rings changes, the stress of connecting bolts fluctuates, and finally the sealing state of the joint of the flanges 2 changes, so that the leakage of the high-pressure liquid is easy to occur.
If sealed face department takes place high-pressure liquid and leaks, high-pressure liquid sprays along sealed face short-term (in 5 s), and protection baffle 5 can protect the one side towards the tunnel center, the region of personnel's work activity promptly, plays the effect of protection personnel. In consideration of incompressibility of liquid, once the liquid is sprayed due to leakage, the pressure of the liquid is released, the subsequent spraying can not occur, and the high-pressure liquid supply system is provided with pressure loss protection, so that the pump can be automatically stopped at the moment, and continuous pressurization is avoided.
Example two
The difference between this embodiment and the first embodiment is: as shown in fig. 10, the cavity in the middle of the protective shield 5 is polygonal and can cover the flange 2.
EXAMPLE III
The difference between this embodiment and the first embodiment is: as shown in fig. 11, the cavity in the middle of the protective baffle 5 is semicircular and can cover the flange 2.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (10)
1. The utility model provides a splash device is used to high-pressure line in pit which characterized in that includes: the pipe clamp (3), the bolt assembly (4), the protective baffle (5), the positioning plate (6) and the expansion bolt assembly (7); the middle of each pipe clamp (3) is a semicircular concave cavity (31), the semicircular concave cavities (31) are matched with high-pressure pipelines, the high-pressure pipelines are located in the circular cavity between the two pipe clamps (3), at least four pipe clamps (3) are uniformly installed on two sides of a flange, a protective baffle (5) is installed on each pipe clamp (3) through a bolt assembly (4), the protective baffle (5) is located on one side facing the center of a roadway, the concave cavities are formed in the middle of the protective baffle (5), the flanges are covered by the concave cavities, one end of a positioning plate (6) is connected to the pipe clamps (3) through the bolt assemblies (4), and the other end of the positioning plate (6) is connected to the side of the roadway through an expansion bolt assembly (7).
2. A splash guard for downhole high-pressure pipes according to claim 1, wherein the pipe clamp (3) has a plurality of holes (32) on both end faces, and the bolt assemblies (4) are mounted in the holes (32).
3. A splash guard for a downhole high-pressure pipeline according to claim 1, wherein the protective baffle (5) has mounting holes (54) at both ends, and the bolt assembly (4) is mounted in the mounting holes (54).
4. A splash guard for a downhole high-pressure pipeline according to claim 3, wherein the protective baffle (5) is further provided with an observation window (51), and the observation window (51) is hinged on the protective baffle (5).
5. A splash guard for a downhole high pressure line according to claim 4, wherein the observation window (51) is further provided with a handle (53).
6. A splash guard for downhole high-pressure pipes, according to claim 1, characterized in that there are two of said location plates (6), one on each side of the flange.
7. A splash guard for downhole high-pressure pipes, according to claim 1, characterized in that the cavity in the middle of the protective shield (5) is a rectangular cavity.
8. A splash guard for downhole high-pressure lines, according to claim 1, characterized in that the cavity in the middle of the protective shield (5) is a polygonal cavity.
9. A splash guard for downhole high-pressure tubing, as claimed in claim 1, wherein the cavity in the middle of the protective shield (5) is a semi-circular cavity.
10. A splash guard for downhole high pressure tubing according to claim 1, wherein the bolt assembly (4) comprises a bolt, a nut and a washer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222346235.9U CN218151058U (en) | 2022-09-01 | 2022-09-01 | Splash-proof device for underground high-pressure pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222346235.9U CN218151058U (en) | 2022-09-01 | 2022-09-01 | Splash-proof device for underground high-pressure pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218151058U true CN218151058U (en) | 2022-12-27 |
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ID=84558244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222346235.9U Active CN218151058U (en) | 2022-09-01 | 2022-09-01 | Splash-proof device for underground high-pressure pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218151058U (en) |
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2022
- 2022-09-01 CN CN202222346235.9U patent/CN218151058U/en active Active
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