CN213239372U - Plastic-sheathed-steel thermal insulation pipe sealing performance testing device - Google Patents
Plastic-sheathed-steel thermal insulation pipe sealing performance testing device Download PDFInfo
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- CN213239372U CN213239372U CN202021723077.9U CN202021723077U CN213239372U CN 213239372 U CN213239372 U CN 213239372U CN 202021723077 U CN202021723077 U CN 202021723077U CN 213239372 U CN213239372 U CN 213239372U
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Abstract
The utility model discloses a device for testing the sealing performance of a plastic-sheathed steel heat-insulating pipe, which comprises a water tank, wherein fixed plates are fixedly arranged at both ends of the water tank, and rotating shafts are rotatably arranged at the inner ends of the two fixed plates; the utility model has the advantages that: the utility model relates to a mould cover steel insulating tube sealing performance testing arrangement, plug up through the both ends that the end cap will mould cover steel insulating tube during the test, can make the end cap fixed inseparabler through two semicircular shells and sealed pad, the junction is difficult for leaking gas, aerify in to moulding cover steel insulating tube through the air pump, and obtain the atmospheric pressure value through baroceptor, can calculate the sealed condition of moulding cover steel insulating tube according to the atmospheric pressure value change, it rotates to mould cover steel insulating tube through rotatory rotation hand wheel drive during the gas leakage, rotate while observing the basin, the position that appears the bubble in the basin is leakage point promptly, need not add too much water to the basin during use, the check-out time has been reduced and the water resource has been practiced thrift.
Description
Technical Field
The utility model relates to a sealing performance testing arrangement, in particular to mould cover steel insulating tube sealing performance testing arrangement.
Background
The sealing performance testing device for the plastic-sheathed steel heat-insulating pipe is used for detecting the sealing performance of the plastic-sheathed steel heat-insulating pipe, the plastic-sheathed steel heat-insulating pipe is a polyurethane prefabricated direct-buried heat-insulating pipe fitting, the high-density polyethylene outer protective layer is made of PE (polyethylene), namely plastic, so that the high-density polyethylene outer protective layer is called as plastic-sheathed steel, the plastic-sheathed steel pipe is mainly buried underground and used for conveying media such as water, natural gas and the like, so that the plastic-sheathed steel heat-insulating pipe needs to have good heat-insulating capacity, more water is needed when the sealing performance testing device for the common plastic-sheathed steel heat-insulating pipe is tested by using a water immersion method, and the consumed time is long and the water resource is wasted when water is filled.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a mould cover steel insulating tube sealing performance testing arrangement to the time that consumes when solving the common water of filling that proposes in the above-mentioned background art is many and the problem of wasting water resource.
In order to achieve the above object, the utility model provides a following technical scheme: a sealing performance testing device for a plastic-sheathed steel heat-insulating pipe comprises a water tank, wherein fixed plates are fixedly arranged at two ends of the water tank, rotating shafts are arranged at the inner ends of the two fixed plates in a rotating manner, rotating hand wheels are fixedly arranged at the ends, far away from the fixed plates, of the rotating shafts, screw rods are arranged at the inner ends of the two rotating shafts in a threaded manner, distance adjusting hand wheels are fixedly arranged at the ends, far away from the fixed plates, of the two screw rods, sealing mechanisms are arranged at the other ends of the two screw rods in a rotating manner, each sealing mechanism comprises a circular plate, the side wall of the circular plate is rotatably connected with one end of each screw rod, a plug is fixedly arranged at the end, far away from the fixed plate, of the circular plate, a vent pipe is fixedly arranged at the inner end of the plug, one end of the vent pipe penetrates, the inner of two semicircle shells is fixed with sealed the pad, two the equal fixed mounting in top of fixed plate has the air pump.
As an optimal technical scheme of the utility model, two the output of air pump all through the connecting pipe respectively with the one end fixed connection of two breather pipes.
As an optimal technical scheme of the utility model, two the pivot is all rotated with the fixed plate through a plurality of bearing and is connected.
As an optimal technical scheme of the utility model, the bottom fixed mounting of basin has a plurality of supporting seat.
As an optimal technical scheme of the utility model, two the semicircle shell is all through bolt and plectane fixed connection.
As an optimized technical scheme of the utility model, two seal the mechanism and set up for the symmetry.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to a mould cover steel insulating tube sealing performance testing arrangement, plug up through the both ends that the end cap will mould cover steel insulating tube during the test, can make the end cap fixed inseparabler through two semicircular shells and sealed pad, the junction is difficult for leaking gas, aerify in to moulding cover steel insulating tube through the air pump, and obtain the atmospheric pressure value through baroceptor, can calculate the sealed condition of moulding cover steel insulating tube according to the atmospheric pressure value change, it rotates to mould cover steel insulating tube through rotatory rotation hand wheel drive during the gas leakage, rotate while observing the basin, the position that appears the bubble in the basin is leakage point promptly, need not add too much water to the basin during use, the check-out time has been reduced and the water resource has been practiced thrift.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic sectional structure of the present invention;
fig. 3 is an enlarged schematic view of a portion a of fig. 2.
In the figure: 1. a water tank; 2. a fixing plate; 3. a rotating shaft; 4. rotating a hand wheel; 5. a screw; 6. a distance adjusting hand wheel; 7. a sealing mechanism; 8. an air pump; 9. a connecting pipe; 10. a bearing; 11. a supporting seat; 71. a circular plate; 72. a plug; 73. a breather pipe; 74. an air pressure sensor; 75. a semi-circular shell; 76. a bolt; 77. and a gasket.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only 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 work belong to the protection scope of the present invention.
Referring to fig. 1-3, the utility model provides a device for testing the sealing performance of a plastic-sheathed steel thermal insulation pipe, which comprises a water tank 1, wherein the water tank 1 is in a semicircular pipe shape and can be filled with water, two ends of the water tank 1 are both fixedly provided with a fixed plate 2, the fixed plate 2 is tightly connected with the water tank 1 and can not leak water, the inner ends of the two fixed plates 2 are both rotatably provided with a rotating shaft 3, one ends of the two rotating shafts 3 far away from the fixed plate 2 are both fixedly provided with a rotating hand wheel 4, the rotating shaft 3 can be rotated by rotating the rotating hand wheel 4, so as to drive a sealing mechanism 7 to rotate, the inner ends of the two rotating shafts 3 are both threadedly provided with screw rods 5, one ends of the two screw rods 5 far away from the fixed plate 2 are both fixedly provided with a distance adjusting hand wheel 6, the distance between the two plugs 72 can be adjusted by, the side wall of the circular plate 71 is rotatably connected with one end of the screw rod 5, one end, far away from the fixed plate 2, of the circular plate 71 is fixedly provided with a plug 72, the inner end of the plug 72 is fixedly provided with an air pipe 73, one end of the air pipe 73 penetrates through the side wall of the circular plate 71, one end of the plug 72 is fixedly provided with an air pressure sensor 74, the type of the air pressure sensor 74 is MS5803-30BA01-00, air pressure in the plastic-sheathed steel heat-insulation pipe can be detected, the top end and the bottom end of the circular plate 71 are both fixedly provided with semicircular shells 75, the inner ends of the two semicircular shells 75 are fixedly provided with sealing gaskets 77, the sealing performance of the joint can be effectively improved through the.
Preferably, the output of two air pumps 8 all through connecting pipe 9 respectively with the one end fixed connection of two breather pipes 73, air pump 8 can aerify in the breather pipe 73 through connecting pipe 9, two pivot 3 all rotate with fixed plate 2 through a plurality of bearing 10 and are connected, bearing 10 can make pivot 3 rotate more easily, the bottom fixed mounting of basin 1 has a plurality of supporting seat 11, support basin 1 through supporting seat 11, two semicircle shells 75 all are through bolt 76 and plectane 71 fixed connection, two seal mechanism 7 and set up for the symmetry, thereby make to mould set steel insulating tube and can fix between two end caps 72.
When the device is used in detail, the device for testing the sealing performance of the plastic-sheathed steel thermal insulation pipe of the utility model is characterized in that during testing, the plastic-sheathed steel thermal insulation pipe to be tested is firstly placed in the water tank 1, then two screw rods 5 are rotated through two distance adjusting hand wheels 6 to lead two plugs 72 to move towards the plastic-sheathed steel thermal insulation pipe, then two ends of the plastic-sheathed steel thermal insulation pipe are plugged through the two plugs 72, two semicircular shells 75 and a sealing gasket 77 are fixed on the outer wall of the plastic-sheathed steel thermal insulation pipe through bolts 76, thereby reinforcing the plugs 72 and leading the sealing performance to be better, then water is added into the water tank 1, after the water is added, the plastic-sheathed steel thermal insulation pipe is inflated through two air pumps 8, the data transmitted by the air pressure sensor 74 is observed after the inflation is finished, if the air pressure value is decreased at a higher speed, the plastic-sheathed steel thermal insulation pipe is driven to rotate through rotating the hand wheel 4, the water tank, the position where the air bubbles appear in the water tank 1 is an air leakage point.
In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The device for testing the sealing performance of the plastic-sheathed steel heat-insulating pipe comprises a water tank (1) and is characterized in that fixed plates (2) are fixedly mounted at the two ends of the water tank (1), a rotating shaft (3) is rotatably mounted at the inner ends of the fixed plates (2), a rotating hand wheel (4) is fixedly mounted at one end, far away from the fixed plates (2), of the rotating shaft (3), screw rods (5) are threadedly mounted at the inner ends of the rotating shaft (3), a distance adjusting hand wheel (6) is fixedly mounted at one end, far away from the fixed plates (2), of each screw rod (5), a sealing mechanism (7) is rotatably mounted at the other end of each screw rod (5), each sealing mechanism (7) comprises a circular plate (71), the side wall of each circular plate (71) is rotatably connected with one end of each screw rod (5), a plug (72) is fixedly mounted at one end, far away from the fixed plates (, the inner fixed mounting of end cap (72) has breather pipe (73), just the lateral wall of plectane (71) is run through to the one end of breather pipe (73), the one end fixed mounting of end cap (72) has baroceptor (74), the equal fixed mounting in top and the bottom of plectane (71) has semicircle shell (75), two the inner fixed mounting of semicircle shell (75) has sealed pad (77), two the equal fixed mounting in top of fixed plate (2) has air pump (8).
2. The device for testing the sealing performance of the plastic-sheathed steel thermal insulation pipe according to claim 1, is characterized in that: the output ends of the two air pumps (8) are respectively and fixedly connected with one ends of the two air pipes (73) through connecting pipes (9).
3. The device for testing the sealing performance of the plastic-sheathed steel thermal insulation pipe according to claim 1, is characterized in that: the two rotating shafts (3) are rotatably connected with the fixed plate (2) through a plurality of bearings (10).
4. The device for testing the sealing performance of the plastic-sheathed steel thermal insulation pipe according to claim 1, is characterized in that: the bottom end of the water tank (1) is fixedly provided with a plurality of supporting seats (11).
5. The device for testing the sealing performance of the plastic-sheathed steel thermal insulation pipe according to claim 1, is characterized in that: the two semicircular shells (75) are fixedly connected with a circular plate (71) through bolts (76).
6. The device for testing the sealing performance of the plastic-sheathed steel thermal insulation pipe according to claim 1, is characterized in that: the two sealing mechanisms (7) are symmetrically arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021723077.9U CN213239372U (en) | 2020-08-18 | 2020-08-18 | Plastic-sheathed-steel thermal insulation pipe sealing performance testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021723077.9U CN213239372U (en) | 2020-08-18 | 2020-08-18 | Plastic-sheathed-steel thermal insulation pipe sealing performance testing device |
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| Publication Number | Publication Date |
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| CN213239372U true CN213239372U (en) | 2021-05-18 |
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| CN202021723077.9U Active CN213239372U (en) | 2020-08-18 | 2020-08-18 | Plastic-sheathed-steel thermal insulation pipe sealing performance testing device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114441112A (en) * | 2021-12-20 | 2022-05-06 | 安徽赞瑞实业有限公司 | Firefighter uniform airtightness detection device and detection method thereof |
| CN115972643A (en) * | 2022-12-06 | 2023-04-18 | 河北晟泽管道制造集团有限公司 | Production device and production process of plastic-sheathed-steel thermal insulation pipe |
-
2020
- 2020-08-18 CN CN202021723077.9U patent/CN213239372U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114441112A (en) * | 2021-12-20 | 2022-05-06 | 安徽赞瑞实业有限公司 | Firefighter uniform airtightness detection device and detection method thereof |
| CN115972643A (en) * | 2022-12-06 | 2023-04-18 | 河北晟泽管道制造集团有限公司 | Production device and production process of plastic-sheathed-steel thermal insulation pipe |
| CN115972643B (en) * | 2022-12-06 | 2023-07-21 | 河北晟泽管道制造集团有限公司 | Production device and production process of plastic sleeve steel heat-insulating pipe |
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