CN217006769U - Sealing device for hydrostatic pipe testing machine - Google Patents
Sealing device for hydrostatic pipe testing machine Download PDFInfo
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- CN217006769U CN217006769U CN202220614001.5U CN202220614001U CN217006769U CN 217006769 U CN217006769 U CN 217006769U CN 202220614001 U CN202220614001 U CN 202220614001U CN 217006769 U CN217006769 U CN 217006769U
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Abstract
The utility model relates to a sealing device for a hydrostatic testing machine of a pipe, which relates to the technical field of hydrostatic testing machines of pipes and comprises sealing heads arranged at two ends of the pipe, wherein each sealing head comprises a clamping seat and a clamping seat clamped and fixed on the side wall of the pipe; the blocking block is arranged, so that the sealing performance of the two ends of the pipe can be improved, the pipe can be effectively prevented from being deformed when the pipe is clamped by the clamping seat, a certain supporting effect is realized on the pipe, and the pipe is not easy to deform due to external reasons.
Description
Technical Field
The utility model relates to the technical field of pipe hydrostatic testing machines, in particular to a sealing device for a pipe hydrostatic testing machine.
Background
The hydrostatic testing machine for the pipes is used for measuring the pressure-resistant failure time or the maximum pressure value of instantaneous blasting of various pipes under long-time constant internal pressure and constant temperature, and is necessary detection equipment for pipe manufacturers and detection mechanisms. The hydrostatic test of the pipe is used for measuring the pressure-resistant failure time or the maximum pressure value of instantaneous explosion of various pipes such as thermoplastic pipes, composite pipes, aluminum-plastic composite pipes and the like under long-time constant internal pressure and constant temperature, and is an important experiment for inspecting the performance of the plastic pipes.
Be used for sealed sealing clamp of tubular product to be indispensable in the resistant quiet hydraulic test of tubular product, among the current sealing device, some anchor clamps subassemblies are more, and is very heavy, and the installation is wasted time and energy with the dismantlement. And when the clamp clamps the pipe, the workpiece is easy to deform, so that the processing quality and efficiency are lower.
SUMMERY OF THE UTILITY MODEL
In view of the problems, the utility model provides a sealing device for a hydrostatic testing machine of pipes.
The technical scheme is as follows: including installing in the shutoff head at tubular product both ends, the shutoff head includes that joint seat and centre gripping are fixed the grip slipper of tubular product lateral wall, the joint seat includes the fixed plate, the top surface of fixed plate is provided with sprue and solid fixed ring, form the joint groove that is used for grafting tubular product lateral wall between sprue and the solid fixed ring, joint inslot portion is provided with the sealing layer, the mounting hole has been seted up on the grip slipper, set up on the fixed plate can with the through-hole that the mounting hole corresponds, the stay bolt passes the through-hole with the mounting hole and cooperate with the nut will the fixed plate with grip slipper fixed connection, arbitrary be equipped with on the shutoff head to the inhalant canal of the inside water injection of tubular product, another the shutoff head is kept away from the one end of tubular product is provided with the stabilizer blade.
Preferably, the grip slipper includes the centre gripping groove, the inside sliding connection of centre gripping inslot has a pair of grip block, two the side that the grip block is close to each other is provided with and is used for the centre gripping to fix the arc wall of tubular product lateral wall, threaded connection has positioning screw through the both ends in centre gripping groove, positioning screw is located the outside one end fixedly connected with turning handle in centre gripping groove, positioning screw is located the inside one end in centre gripping groove with the arc wall rotates and is connected.
Preferably, the side wall of the clamping block is provided with a pair of sliding blocks, and the inner side wall of the clamping groove is provided with a sliding groove which is matched with the sliding blocks to slide.
Preferably, the surface of the arc-shaped groove is provided with saw teeth.
Preferably, the water inlet passage penetrates the fixing plate and the center of the blocking piece.
Preferably, the water inlet channel is connected with a water inlet pipe, and the water inlet pipe is connected with the water inlet channel in a threaded connection or a welding manner.
Preferably, the height of the block is greater than the distance between the clamping seat and the pipe end close to the clamping seat.
The utility model provides a sealing device for a pipe hydrostatic testing machine, which has the following beneficial effects compared with the prior art:
(1): the long bolt, the nut, the clamping seat and the clamping seat are matched to well fix the plugging heads at two ends of the pipe, the fixing is firm, the stability is high, the sealing effect is good, the success rate of testing is obviously increased, the working efficiency is improved, the labor and time cost is saved, the long bolt, the clamping seat and the clamping seat can be repeatedly used, and the accuracy of experimental data can be ensured to the maximum extent;
(2): the pipe clamping device is provided with the blocking blocks, so that the sealing performance of two ends of the pipe can be improved, the deformation of the clamping seat when the pipe is clamped can be effectively prevented, the pipe is supported to a certain extent, and the pipe is not easy to deform due to external reasons;
(3): the sawtooth is arranged on the arc-shaped groove, so that the friction force between the clamping block and the pipe can be increased, and the clamping seat is firmly fixed.
Drawings
FIG. 1: is the overall front view of the utility model.
FIG. 2 is a schematic diagram: is an overall structure diagram of the utility model.
FIG. 3: the structure of the clamping seat in the utility model.
FIG. 4 is a schematic view of: the clamp block pattern of the present invention.
In the figure: 1-plugging head, 2-clamping base, 3-pipe, 4-clamping base, 5-fixing plate, 6-plugging block, 7-fixing ring, 8-clamping groove, 9-sealing layer, 10-mounting hole, 11-through hole, 12-long bolt, 13-nut, 14-water inlet channel, 15-support leg, 16-clamping groove, 17-clamping block, 18-arc groove, 19-positioning screw rod, 20-rotating handle, 21-sliding block, 22-sliding groove, 23-sawtooth and 24-water inlet pipe.
Detailed Description
The technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. In the description of the present invention, it is to be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, which are merely for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus 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 being understood that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The present invention will be described in further detail below with reference to specific embodiments and with reference to the attached drawings.
In the first embodiment, as shown in fig. 1 and 2, the sealing device for the hydrostatic testing machine for pipes includes plugging heads 1 installed at two ends of a pipe 3, the whole material of the plugging heads 1 is 45# steel or 304 stainless steel, and the sealing device has the advantages of strong corrosion resistance, high mechanical strength and the like, and the plugging heads 1 include clamping seats 2 and clamping seats 4 for clamping and fixing on the side walls of the pipe 3.
As shown in fig. 3, the joint seat 2 includes a fixing plate 5, the top surface of the fixing plate 5 is provided with a blocking block 6 and a fixing ring 7, the blocking block 6 and the fixing ring 7 are all welded on the top surface of the fixing plate 5, the blocking block 6 adopts a cylindrical structure, the size of the blocking block 6 is matched with the size of the inner side wall of the pipe, a joint groove 8 for inserting the side wall of the pipe 3 is formed between the blocking block 6 and the fixing ring 7, the size of the joint groove 8 is matched with the size of the side wall of the pipe, a sealing layer 9 is arranged inside the joint groove 8, the sealing layer 9 can meet the sealing requirement by adopting common rubber or a better silicon rubber material with better flexibility, the sealing layer 9 is bonded inside the joint groove 8 by glue, the sealing layer 9 is arranged to prevent the overflow of the liquid in the pipe 1, and the sealing performance between the sealing head 1 and the pipe is improved.
The clamping seat 4 is provided with a mounting hole 10, the fixing plate 5 is provided with a through hole 11 corresponding to the mounting hole 10, the mounting hole 10 and the through hole 11 are all round holes, and the long bolt 12 penetrates through the through hole 11 and the mounting hole 10 and is matched with the nut 13 to fixedly connect the fixing plate 5 with the clamping seat 4.
Can be fine fix the both ends at tubular product with shutoff head 1 through long bolt 12, nut 13, grip slipper 4 and the cooperation of joint seat 2, and fixed firm, stability is high, and is sealed effectual, is showing the success rate that has increased the test, has improved work efficiency, has practiced thrift manpower and time cost, and used repeatedly many times can guarantee the accuracy of experimental data to furthest.
And a water inlet channel 14 for injecting water into the pipe 3 is arranged on any plugging head 1. The cross section of the water inlet channel 14 adopts a cylindrical structure, and the water inlet channel 14 penetrates through the centers of the fixing plate 5 and the block 6. The water inlet channel 14 is connected with a water inlet pipe 24, and the water inlet pipe 24 is connected with the water inlet channel 14 in a threaded connection or welding mode.
And one end, far away from the pipe 3, of the other plugging head 1 is provided with at least four support legs 15, the support legs 15 are directly welded on the side wall of the plugging head 1, and the four support legs 15 are uniformly distributed on the side wall of the plugging head 1. The support legs 15 support the bottom of the plugging head 1.
The grip slipper 4 includes the centre gripping groove 16, the inside sliding connection of centre gripping groove 16 has a pair of grip block 17, the side that two grip blocks 17 are close to each other is provided with the arc wall 18 that is used for the fixed tubular product 3 lateral wall of centre gripping, there is positioning screw 19 at the both ends of centre gripping groove 16 through threaded connection, positioning screw 19 is located the outside one end fixedly connected with turning handle 20 of centre gripping groove 16, turning handle 20 adopts welded fastening to be connected with positioning screw 19, positioning screw 19 is located the inside one end of centre gripping groove 16 and is connected through the bearing rotation with arc wall 18.
The side wall of the clamping block 17 is provided with a pair of sliding blocks 21, the sliding blocks 21 and the clamping block 17 are integrally formed, and the inner side wall of the clamping groove 16 is provided with a sliding groove 22 which is matched with the sliding blocks 21 for sliding.
When the pipe clamping device is used, the blocking blocks 6 in the two blocking heads 1 are inserted into the end parts of a pipe, the pipe 3 is placed between the two arc-shaped grooves 18, the rotating handle 20 is manually rotated, the rotating handle 20 drives the positioning screw rod 19 to rotate, the positioning screw rod 19 rotates to drive the clamping blocks 17 to slide in the clamping grooves 16, when the two clamping blocks 17 are close to each other, the pipe 3 can be clamped and fixed between the two arc-shaped grooves 18, and the clamping seat 4 and the clamping seat 2 are fixed through the long bolt 12, the nut 13, the clamping seat 4 and the clamping seat.
The height of the plugging block 6 is larger than the distance between the clamping seat 4 and the end part of the pipe 3 close to the clamping seat, so that the sealing performance of two ends of the pipe 1 can be improved, the clamping seat 4 can be effectively prevented from being deformed when the pipe 1 is clamped, a certain supporting effect is realized on the pipe 1, and the pipe 1 is not easy to deform due to external reasons.
Example two: on the basis of the first embodiment, as shown in fig. 4, the surface of the arc-shaped groove 18 is provided with the saw teeth 23, the saw teeth 23 and the arc-shaped groove 18 are integrally formed, and the saw teeth 23 are arranged, so that the friction force between the clamping block 17 and the pipe can be increased, and the clamping seat 4 can be firmly fixed.
In conclusion, the long bolt, the nut, the clamping seat and the clamping seat are matched to well fix the plugging heads at two ends of the pipe, the fixing is firm, the stability is high, the sealing effect is good, the success rate of testing is obviously increased, the working efficiency is improved, the labor and time cost are saved, the long bolt, the nut, the clamping seat and the clamping seat can be repeatedly used for many times, and the accuracy of experimental data can be furthest ensured; the blocking block is arranged, so that the sealing performance of the two ends of the pipe can be improved, the pipe can be effectively prevented from being deformed when the pipe is clamped by the clamping seat, a certain supporting effect is realized on the pipe, and the pipe is not easy to deform due to external reasons.
While the present invention has been particularly shown and described with reference to preferred embodiments, numerous means and ways of accomplishing the same have been set forth above, it will be apparent to those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the utility model as defined in the appended claims.
Claims (7)
1. A sealing device for a hydrostatic testing machine for pipes comprises sealing heads (1) installed at two ends of a pipe (3), and is characterized in that each sealing head (1) comprises a clamping seat (2) and a clamping seat (4) clamped and fixed on the side wall of the pipe (3), each clamping seat (2) comprises a fixing plate (5), a blocking block (6) and a fixing ring (7) are arranged on the top surface of each fixing plate (5), a clamping groove (8) used for being connected with the side wall of the pipe (3) in an inserting mode is formed between each blocking block (6) and the corresponding fixing ring (7), a sealing layer (9) is arranged inside each clamping groove (8), a mounting hole (10) is formed in each clamping seat (4), a through hole (11) corresponding to the mounting hole (10) is formed in each fixing plate (5), and a long bolt (12) penetrates through each through hole (11), is matched with the corresponding mounting hole (10) and is matched with a nut (13) to fix the fixing plate (5) and the clamping seats (4) And connecting, wherein a water inlet channel (14) for injecting water into the pipe (3) is arranged on any one of the plugging heads (1), and a supporting leg (15) is arranged at one end, far away from the pipe (3), of the other plugging head (1).
2. The sealing device for the tubing hydrostatic testing machine according to claim 1, wherein the clamping seat (4) comprises a clamping groove (16), a pair of clamping blocks (17) is slidably connected inside the clamping groove (16), an arc-shaped groove (18) for clamping and fixing the side wall of the tubing (3) is arranged on the side surface of the two clamping blocks (17) close to each other, two ends of the clamping groove (16) are connected with positioning screws (19) through threads, one end of each positioning screw (19) located outside the clamping groove (16) is fixedly connected with a rotating handle (20), and one end of each positioning screw (19) located inside the clamping groove (16) is rotatably connected with the arc-shaped groove (18).
3. The sealing device for the tubing hydrostatic testing machine according to claim 2, wherein the side wall of the clamping block (17) is provided with a pair of sliding blocks (21), and the inner side wall of the clamping groove (16) is provided with a sliding groove (22) which is matched with the sliding blocks (21) to slide.
4. The sealing device for a hydrostatic tube testing machine according to claim 3, characterized in that the surface of the arc-shaped slot (18) is provided with serrations (23).
5. The sealing device for the tubing hydrostatic testing machine according to claim 1, characterized in that the water inlet channel (14) runs through the center of the fixed plate (5) and the block (6).
6. The sealing device for the pipe hydrostatic testing machine is characterized in that a water inlet pipe (24) is connected to the water inlet passage (14), and the water inlet pipe (24) is connected with the water inlet passage (14) in a threaded manner or a welded manner.
7. The sealing device for hydrostatic testing machines of pipes according to claim 1, characterized in that the height of the block (6) is greater than the distance between the holder (4) and the end of the pipe (3) close to it.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220614001.5U CN217006769U (en) | 2022-03-21 | 2022-03-21 | Sealing device for hydrostatic pipe testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220614001.5U CN217006769U (en) | 2022-03-21 | 2022-03-21 | Sealing device for hydrostatic pipe testing machine |
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| Publication Number | Publication Date |
|---|---|
| CN217006769U true CN217006769U (en) | 2022-07-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220614001.5U Active CN217006769U (en) | 2022-03-21 | 2022-03-21 | Sealing device for hydrostatic pipe testing machine |
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| Country | Link |
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| CN (1) | CN217006769U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115750983A (en) * | 2022-10-25 | 2023-03-07 | 广东福斯特流体技术有限公司 | Plugging tool for pipeline pressure test |
-
2022
- 2022-03-21 CN CN202220614001.5U patent/CN217006769U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115750983A (en) * | 2022-10-25 | 2023-03-07 | 广东福斯特流体技术有限公司 | Plugging tool for pipeline pressure test |
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