CN214584500U - Plastic pipeline fixing device for high-pressure blasting experiment - Google Patents
Plastic pipeline fixing device for high-pressure blasting experiment Download PDFInfo
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- CN214584500U CN214584500U CN202120747623.0U CN202120747623U CN214584500U CN 214584500 U CN214584500 U CN 214584500U CN 202120747623 U CN202120747623 U CN 202120747623U CN 214584500 U CN214584500 U CN 214584500U
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- fixing device
- base
- blasting experiment
- pressure blasting
- constraint mechanism
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Abstract
The utility model belongs to the technical field of the anti interior pressure test technique of plastic conduit and specifically relates to a plastic conduit fixing device of high pressure blasting experiment. The plastic pipeline fixing device for the high-pressure blasting experiment comprises a base, a fixed constraint mechanism and a free constraint mechanism, wherein the fixed constraint mechanism is located at the front end of the base, the free constraint mechanism is located at the rear end of the base, the base comprises a base plate and a turntable, the turntable is connected with the base plate through a bearing, and the fixed constraint mechanism is fixedly connected with the turntable. The utility model discloses in, the plastic conduit fixing device of high pressure blasting experiment adopts the fixed mode of semi-rigidity, has simple operation, impact resistance is good, the protection test subassembly, and to influence less experimental itself, practices thrift the advantage of cost.
Description
Technical Field
The utility model belongs to the technical field of the anti interior pressure test technique of plastic conduit and specifically relates to a plastic conduit fixing device of high pressure blasting experiment.
Background
In the plastic pipeline manufacturing industry, a blasting test is taken as one of important tests for measuring the internal pressure resistance of a pipeline, and has important guiding significance for grading evaluation of the pipe and debugging of the production process. The blasting test needs to continuously increase the pressure inside the pipe under the condition of proper pipe plugging until blasting failure, the danger coefficient is higher, particularly in the appearance of metal reinforced or non-metal reinforced composite pipes in some special fields, the blasting pressure can reach dozens of megapascals, so the blasting test is generally selected in a blasting pit with foundation pit protection.
Safety is guaranteed in the blasting pit, but some problems still exist in the practical test process, such as: the pipe material is collided with the foundation pit to generate secondary damage under the action of the explosive force of the fixed test pipe material, and the original damage form is not easy to observe; the pipe is completely fixed, and the axial force of the pipe is easily restricted, so that the measurement of the burst pressure is inaccurate; secondly, the sealing plugs at the two ends of the pipe fly out under high pressure at the moment of blasting, the metal material of the pipe is not easy to damage, but the connecting part of the plug and the pressurizing hose is often damaged by violent collision, the pressurizing hose can only be replaced in the next test, and the test procedures and the cost are greatly increased.
Please refer to fig. 1, chinese patent application No. CN201310365431.3 discloses a pipeline internal pressure testing device, which includes a base, wherein a testing table is arranged on the upper portion of the base; the number of the test stations is two; the test bench is provided with a steel pipe frame; a sealing ring is arranged on the steel pipe frame; an air inlet valve is arranged in the middle of the steel pipe frame on one side; an air outlet valve is arranged in the middle of the steel pipe frame on the other side; the lower part of the base is provided with an air inlet and an air outlet; the air inlet and the air outlet are connected with a compressor; the compressor is connected with the air pressurizer; the air pressurizer is connected with the frequency spectrograph; the frequency spectrograph is connected with the air inlet pipe; and the upper part of the compressor is provided with an air outlet pipe. The invention has the advantages that: the pressure simulation device has the advantages of simple structure and convenience in use, and can simulate the pressure of the pipeline in use and provide data for the manufacture of the pipeline.
The pipeline internal pressure testing device completely fixes the pipe so that the axial force of the pipe is restrained easily to cause inaccurate measurement of the burst pressure.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a plastic conduit fixing device of high pressure blasting experiment adopts the fixed mode of semirigidity, has simple operation, impact resistance is good, the protection test subassembly, and less to experimental influence itself, practices thrift the advantage of cost.
In order to achieve the above advantages, the utility model provides a plastic conduit fixing device of high pressure blasting experiment, a serial communication port, including the base, be located the fixed restraint mechanism of this base front end, be located the free restraint mechanism of this base rear end, the base includes the basedeck, passes through the carousel that the bearing is connected with this basedeck, fixed restraint mechanism with the carousel is connected fixedly.
In an embodiment of the plastic pipe fixing device for high pressure blasting experiment of the present invention, the base plate is anchored to the ground.
The utility model discloses an in an embodiment of the plastic conduit fixing device of high pressure blasting experiment, fixed restraint mechanism includes upper portion anchor clamps, lower part anchor clamps, screw rod, screws the cover, the lower part anchor clamps with the carousel is connected fixedly, the upper portion anchor clamps with the lower part anchor clamps pass through the screw rod the cooperation of screwing the cover realizes dismantling the connection.
The utility model discloses an in the embodiment of the plastic conduit fixing device of high pressure blasting experiment, the screw rod is "T" shape structure, its horizontal pole with lower part anchor clamps rotate to be connected, and its montant is connected fasten the cover soon.
The utility model discloses an in an embodiment of plastic conduit fixing device of high pressure blasting experiment, upper portion anchor clamps with the cross-section of lower part anchor clamps is convex, the circular arc tip of upper portion anchor clamps is equipped with first otic placode, the circular arc tip of lower part anchor clamps is equipped with the second otic placode, first otic placode with the second otic placode is equipped with respectively and holds the spread groove of montant, the second otic placode is equipped with and holds the connecting hole of horizontal pole.
The utility model discloses an in an embodiment of the plastic conduit fixing device of high pressure blasting experiment, fixed restraint mechanism still includes the slips, and this slips is convenient for fixed restraint mechanism locks the tubular product of different diameters.
In an embodiment of the plastic pipe fixing device for high-pressure blasting experiment of the present invention, the free restraining mechanism includes a roller bracket and a roller, and the roller bracket is fixed on the base plate.
In an embodiment of the plastic pipe fixing device for high pressure blasting experiment of the present invention, the base plate is made of metal.
The utility model discloses in, the plastic conduit fixing device of high pressure blasting experiment passes through the free flexible restraint design of the fixed one end of one end for inside axial stress can the full development when lasting the pressurization of tubular product, avoids fixing device to produce the influence to tubular product blasting experimental result.
The utility model discloses in, the plastic conduit fixing device of high-pressure blasting experiment adopts the design that ground anchor, anchor clamps parcel and screw rod were screwed, can guarantee the stability of structure under strong impact, can make the operation more simple and convenient swift again.
The utility model discloses in, fixed one end (being first end cap) is the one end of being connected with the pressure hose, can avoid producing the secondary destruction with the foundation ditch collision after the tubular product blasting, can guarantee again that the pressure hose is not destroyed, has reduced the test cost.
The utility model discloses in, because partial tubular product has the requirement of coil pipe in the transportation, consequently be provided with the carousel, can make 360 degrees rotations of anchor clamps, satisfy various bending radius's the experimental demand of return bend blasting.
The utility model discloses in, fixed restraint mechanism is provided with the slips, can be applicable to the tubular product of different diameters.
Drawings
Fig. 1 is a schematic structural diagram of a conventional pipeline internal pressure testing device.
Fig. 2 is a schematic structural diagram of the plastic pipe fixing device for the high-pressure blasting experiment according to the first embodiment of the present invention.
Fig. 3 is a plan view of the plastic pipe fixing device for the high pressure burst test of fig. 2.
Fig. 4 is a schematic sectional view of the plastic pipe fixing device for the high pressure burst test of fig. 2.
Detailed Description
The present invention is further described with reference to the following drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "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, but do not indicate or imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and thus, it should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; of course, mechanical connection and electrical connection are also possible; alternatively, they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Referring to fig. 2-4, the plastic pipe fixing device for high pressure blasting experiment of the first embodiment of the present invention includes a base 1, a fixed restraining mechanism 2 located at the front end of the base 1, and a free restraining mechanism 3 located at the rear end of the base 1.
The base 1 comprises a base plate 11 and a turntable 12 connected with the base plate 11 through a bearing 13, and the fixed constraint mechanism 2 is fixedly connected with the turntable 12. The base plate 11 is anchored to the ground. Preferably, the base plate 11 is made of a metal material.
The fixed constraint mechanism 2 comprises an upper clamp 21, a lower clamp 22, a screw 23 and a screwing sleeve 24, wherein the lower clamp 22 is fixedly connected with the turntable 12, and the upper clamp 21 and the lower clamp 22 are detachably connected through the matching of the screw 23 and the screwing sleeve 24.
The screw 23 is in a T-shaped structure, the cross rod of the screw is rotatably connected with the lower clamp 22, and the vertical rod of the screw is connected with the screwing sleeve 24.
Specifically, the cross sections of the upper clamp 21 and the lower clamp 22 are both arc-shaped, the arc end of the upper clamp 21 is provided with a first lug plate 211, the arc end of the lower clamp 22 is provided with a second lug plate 221, and the upper clamp 21 and the lower clamp 22 are connected and fixed through the first lug plate 211 and the second lug plate 221 to form an annular hole for clamping the pipe 100. The arc inner sides of the upper clamp 21 and the lower clamp 22 are respectively provided with a groove 25 matched with the convex ring 261.
The first ear plate 211 and the second ear plate 221 are respectively provided with a connecting groove 2a for accommodating a vertical rod, and the second ear plate 221 is provided with a connecting hole 221a for accommodating a cross rod.
The fixed restraint mechanism 2 further includes slips 26, a first swaged tube 27, and a second swaged tube 28. The first crimping pipe 27 and the second crimping pipe 28 are respectively provided with a socket into which the pipe 100 is inserted. The first buckling pipe 27 and the second buckling pipe 28 are respectively connected to the first plug 271 and the second plug 281.
The slips 26 facilitate the locking of the fixed restraint mechanism 2 to tubulars 100 of different diameters. The slips 26 are tubular in configuration with a collar 261 on the outer surface and a protrusion 262 on the inner surface. The slips 26 are sleeved outside the first buckling pipe 27 and are in threaded connection with the first buckling pipe 27. The protrusion 262 is engaged in a slot formed between the first buckling pipe 27 and the first plug 271.
The free restraint mechanism 3 includes a roller bracket 31 and a roller 32, and the roller bracket 31 is fixed to the base plate 11. The roller 32 is provided with a limiting ring 321 on both sides. The roller 32 can be placed under the second crimping tube 28 or the second plug 281 or the tubular member 100 to ensure that the tubular member 100 can freely extend in the axial direction at the end, so as to avoid the influence of the axial constraint on the burst test.
The working principle is as follows: an appropriate slip is selected according to the diameter of the pipe 100, one end of the pipe 100 is fixed through a fixing and restraining mechanism, and the other end of the pipe 100 is placed on a roller.
The utility model discloses in, the plastic conduit fixing device of high pressure blasting experiment passes through the free flexible restraint design of the fixed one end of one end for inside axial stress can the full development when lasting the pressurization of tubular product, avoids fixing device to produce the influence to tubular product blasting experimental result.
The utility model discloses in, the plastic conduit fixing device of high-pressure blasting experiment adopts the design that ground anchor, anchor clamps parcel and screw rod were screwed, can guarantee the stability of structure under strong impact, can make the operation more simple and convenient swift again.
The utility model discloses in, fixed one end (being first end cap) is the one end of being connected with the pressure hose, can avoid producing the secondary destruction with the foundation ditch collision after the tubular product blasting, can guarantee again that the pressure hose is not destroyed, has reduced the test cost.
The utility model discloses in, because partial tubular product has the requirement of coil pipe in the transportation, consequently be provided with the carousel, can make 360 degrees rotations of anchor clamps, satisfy various bending radius's the experimental demand of return bend blasting.
The utility model discloses in, fixed restraint mechanism is provided with the slips, can be applicable to the tubular product of different diameters.
The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. Equivalent substitutes or changes made by the technical personnel in the technical field on the basis of the utility model are all within the protection scope of the utility model. The protection scope of the present invention is subject to the claims.
Claims (8)
1. The plastic pipeline fixing device for the high-pressure blasting experiment is characterized by comprising a base, a fixed constraint mechanism and a free constraint mechanism, wherein the fixed constraint mechanism is located at the front end of the base, the free constraint mechanism is located at the rear end of the base, the base comprises a base plate and a turntable which is connected with the base plate through a bearing, and the fixed constraint mechanism is fixedly connected with the turntable.
2. A high pressure blasting experiment plastic pipe fixing device according to claim 1, wherein the base plate is anchored to the ground.
3. The plastic pipeline fixing device for the high-pressure blasting experiment according to claim 1, wherein the fixing and restraining mechanism comprises an upper clamp, a lower clamp, a screw and a screwing sleeve, the lower clamp is fixedly connected with the turntable, and the upper clamp and the lower clamp are detachably connected through the screw and the screwing sleeve.
4. The plastic pipeline fixing device for the high-pressure blasting experiment as recited in claim 3, wherein the screw rod is of a T-shaped structure, a cross rod of the screw rod is rotatably connected with the lower clamp, and a vertical rod of the screw rod is connected with the screwing sleeve.
5. The plastic pipeline fixing device for the high-pressure blasting experiment as recited in claim 4, wherein the upper clamp and the lower clamp are both circular arc-shaped in cross section, a first lug plate is disposed at an end of the circular arc of the upper clamp, a second lug plate is disposed at an end of the circular arc of the lower clamp, the first lug plate and the second lug plate are respectively provided with a connecting groove for accommodating the vertical rod, and the second lug plate is provided with a connecting hole for accommodating the cross rod.
6. A plastic pipe fixing device for high pressure blasting experiment according to claim 3, wherein the fixing and restraining mechanism further comprises slips, and the slips are convenient for the fixing and restraining mechanism to lock pipes with different diameters.
7. The plastic pipe fixing device for high pressure blasting experiment according to claim 1, wherein the free restraint mechanism comprises a roller bracket and a roller, and the roller bracket is fixed on the base plate.
8. A plastic pipe fixing device for high pressure explosion experiments according to any one of claims 1 to 7, wherein the base plate is made of a metal material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120747623.0U CN214584500U (en) | 2021-04-13 | 2021-04-13 | Plastic pipeline fixing device for high-pressure blasting experiment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120747623.0U CN214584500U (en) | 2021-04-13 | 2021-04-13 | Plastic pipeline fixing device for high-pressure blasting experiment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214584500U true CN214584500U (en) | 2021-11-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120747623.0U Active CN214584500U (en) | 2021-04-13 | 2021-04-13 | Plastic pipeline fixing device for high-pressure blasting experiment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214584500U (en) |
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2021
- 2021-04-13 CN CN202120747623.0U patent/CN214584500U/en active Active
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