CN219301883U - Shield tail sealing grease water pressure resistance tightness testing device - Google Patents
Shield tail sealing grease water pressure resistance tightness testing device Download PDFInfo
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- CN219301883U CN219301883U CN202223524877.XU CN202223524877U CN219301883U CN 219301883 U CN219301883 U CN 219301883U CN 202223524877 U CN202223524877 U CN 202223524877U CN 219301883 U CN219301883 U CN 219301883U
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- shield tail
- tail sealing
- pressure resistance
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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Abstract
The utility model relates to the technical field of shield tail sealing grease testing, in particular to a device for testing the hydraulic pressure resistance of shield tail sealing grease, which comprises a barrel, wherein a metal net is arranged below the barrel, a casing is arranged outside the barrel, an annular cavity is formed between the inner wall of the casing and the outer wall of the barrel, and an electric heating wire is arranged in the annular cavity; the top of the cylinder body is provided with the piston plate, the top of the piston plate is connected with the lifting rod, the middle of the piston plate and the lifting rod is provided with the flow passage which is communicated, wherein the flow passage in the middle of the piston plate extends to the peripheral outer wall of the piston plate, and the electric heating wire can heat the water liquid in the annular cavity between the shell and the cylinder body to high temperature, so that grease can be cleaned more conveniently, the water liquid can be heated to generate high-temperature steam, the cylinder body and the metal net can be washed by the high-temperature steam, the grease can be cleaned more effectively and thoroughly, and different batches of tests can not be affected mutually.
Description
Technical Field
The utility model relates to the technical field of shield tail sealing grease testing, in particular to a device for testing the hydraulic pressure resistance and the tightness of shield tail sealing grease.
Background
The shield tail sealing grease is an important material for sealing the shield tail and is used for filling a gap between a shield tail steel wire brush and a segment, and the sealing grease and the steel wire brush are combined to form a shield tail sealing layer which can effectively prevent mud and underground water from penetrating into the shield tail so as to seal the shield tail, so that the water pressure resistance sealing property of the shield tail sealing grease is an important index; the existing test mode is as follows: a layer of shield tail sealing grease with the thickness of 25mm is paved on a metal net at the bottom of the cylinder, water is filled above the grease, then 0.8Mpa pressure is applied from above the water surface, and the time for water to start flowing out from the bottom of the cylinder is measured.
The prior art has the following problems:
the manufacturers of shield tail sealing grease are many, need to test many manufacturers or a plurality of batches of products, and after single test is accomplished, need thoroughly wash barrel and metal mesh for the test, avoid influencing each other between the different products, cause the test result inaccurate, but current testing arrangement, in-process above-mentioned needs manual cleaning barrel and metal mesh, very troublesome.
Disclosure of Invention
The utility model provides a device for testing the hydraulic pressure resistance and tightness of shield tail sealing grease, which aims to solve one or more problems in the prior art.
The technical scheme adopted by the utility model for achieving the purpose is as follows: the device for testing the hydraulic pressure resistance of the shield tail sealing grease comprises a barrel, wherein a metal net is arranged below the barrel, a casing is arranged outside the barrel, an annular cavity is formed between the inner wall of the casing and the outer wall of the barrel, and an electric heating wire is arranged in the annular cavity;
the top of the cylinder body is provided with a piston plate, the top of the piston plate is connected with a lifting rod, the middle of the piston plate and the lifting rod is provided with a flow passage which is communicated with each other, the flow passage in the middle of the piston plate extends to the peripheral outer wall of the piston plate, and the flow passage in the middle of the lifting rod is communicated with the annular cavity.
Preferably, the electric heating wire is an annular cavity which is spirally distributed between the cylinder body and the shell, and vertical fin strips are circumferentially distributed on the outer wall of the cylinder body.
Preferably, an arc-shaped recovery box is arranged below the cylinder, two recovery grooves are formed in the recovery box, and the metal net is fixedly arranged at the top of one recovery groove of the recovery box;
a rotating column is arranged on one side of the cylinder body, the rotating column is fixedly connected with the cylinder body through a sleeve frame, and a handle is arranged on one side of the sleeve frame away from the rotating column;
the casing is provided with an annular convex seat outside, and the bottom of the annular convex seat is connected with the casing frame through a spring.
Preferably, the both ends of the swivel post are respectively provided with hole grooves, and the hole grooves at both ends of the swivel post are all communicated with the annular cavity between the barrel and the casing, the hole grooves at one end of the swivel post are rotationally connected with a water supply pipe, and the lifting rod is inserted into the hole grooves at the other end of the swivel post.
Preferably, the outer wall of the lifting rod is provided with threads, the lifting rod is sleeved with a thread sleeve matched with the lifting rod in structure, the thread sleeve is sleeved with a toothed ring, one side of the toothed ring is connected with a gear in a meshed mode, and the gear is connected with a motor in a transmission mode.
Preferably, a thermometer is arranged on one side of the shell;
and the top of the piston plate is provided with a barometer.
The beneficial effects of the utility model are as follows:
the electric heating wire can heat the water liquid in the annular cavity between the shell and the cylinder to high temperature, so that grease can be cleaned more conveniently, the water liquid can be heated to generate high-temperature steam, the high-temperature steam can be sprayed into the cylinder through the runner between the lifting rod and the piston plate and downwards flows to blow the metal mesh, the cylinder and the metal mesh are flushed by the high-temperature steam, the grease can be cleaned more effectively and thoroughly, and different batches of tests cannot be affected mutually.
Drawings
FIG. 1 is a front view of the internal structure of the present utility model;
FIG. 2 is a top view of the recovery box of the present utility model;
FIG. 3 is a front view of the cartridge of the present utility model;
FIG. 4 is a cross-sectional view of a cartridge of the present utility model;
fig. 5 is a cross-sectional view of a piston plate of the present utility model.
Reference numerals: the recovery box-1, the bracket-2, the rotary column-3, the water supply pipe-4, the cylinder-5, the shell-51, the fin strip-52, the annular boss-53, the heating wire-6, the sleeve frame-7, the spring-8, the handle-9, the barometer-10, the thermometer-11, the piston plate-12, the lifting rod-13, the threaded sleeve-14, the gear-15, the toothed ring-16, the motor-17 and the metal net-18.
Detailed Description
In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model briefly described above will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The present utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the utility model, whereby the utility model is not limited to the specific embodiments disclosed below.
As shown in fig. 1-5, the utility model provides a device for testing the hydraulic tightness of shield tail sealing grease, which comprises a cylinder body 5, wherein a metal net 18 is arranged below the cylinder body 5, a sleeve shell 51 is arranged outside the cylinder body 5, an annular cavity is formed between the inner wall of the sleeve shell 51 and the outer wall of the cylinder body 5, and an electric heating wire 6 is arranged in the annular cavity;
the top of the cylinder 5 is provided with a piston plate 12, the top of the piston plate 12 is connected with a lifting rod 13, the middle of the piston plate 12 and the lifting rod 13 is provided with a flow passage communicated with each other, wherein the flow passage in the middle of the piston plate 12 extends to the peripheral outer wall of the piston plate 12, and the flow passage in the middle of the lifting rod 13 is communicated with the annular cavity.
The annular cavity between the shell 51 and the cylinder 5 can be filled with water, the heating wire 6 can heat the water in the annular cavity, and different environment temperatures can be simulated, so that the test is richer;
when the cylinder 5 and the metal net 18 need to be cleaned, the heating wire 6 can heat the water liquid in the annular cavity between the shell 51 and the cylinder 5 to high temperature, so that grease can be cleaned more conveniently, in addition, the water liquid can be heated to generate high-temperature steam, the high-temperature steam can be sprayed into the cylinder 5 through the runner between the lifting rod 13 and the piston plate 12 and downwards flows to be blown to the metal net 18, the cylinder 5 and the metal net 18 are flushed by the high-temperature steam, the grease can be cleaned more effectively and thoroughly, and different batches of tests can not be affected mutually.
The electric heating wire 6 is an annular cavity which is spirally and circumferentially distributed between the cylinder body 5 and the shell 51, and vertical fin strips 52 are circumferentially distributed on the outer wall of the cylinder body 5; this structure results in higher heat transfer efficiency.
An arc-shaped recovery box 1 is arranged below the cylinder 5, two recovery grooves are formed in the recovery box 1, and a metal net 18 is fixedly arranged at the top of one of the recovery grooves of the recovery box 1; the two recovery tanks can collect grease and water;
a rotating column 3 is arranged on one side of the cylinder 5, the rotating column 3 is fixedly connected with the cylinder 5 through a sleeve frame 7, and a handle 9 is arranged on one side of the sleeve frame 7 away from the rotating column 3; pushing the handle 9 to enable the sleeve frame 7 to rotate by taking the rotary column 3 as a center, enabling the cylinder 5 to rotate and adjust the position above the recovery box 1, enabling the piston plate 12 to push out grease in the cylinder 5 more labor-saving after the cylinder 5 moves away from the metal net 18 above the recovery box 1, and enabling steam to be blown onto the metal net 18 of the cylinder 5 in the state that the cylinder 5 is rotated to above the metal net 18 after the grease is discharged, so that the aim of high-temperature cleaning is achieved;
the casing 51 is externally provided with an annular convex seat 53, and the bottom of the annular convex seat 53 is connected with the casing frame 7 through a spring 8; the spring 8 can jack up the cylinder 5, so that the cylinder 5 can not rub with the recovery box 1 when rotating, and the displacement of the cylinder 5 is smoother.
The two ends of the rotary column 3 are respectively provided with a hole groove, the hole grooves at the two ends of the rotary column 3 are communicated with the annular cavity between the cylinder body 5 and the casing 51, the hole groove at one end of the rotary column 3 is rotationally connected with the water supply pipe 4, and the lifting rod 13 is inserted into the hole groove at the other end of the rotary column 3; this structure makes the water supply and the steam discharge of the cylinder 5 not collide with the rotational displacement of itself.
The outer wall of the lifting rod 13 is provided with threads, the lifting rod 13 is sleeved with a thread sleeve 14 with a matched structure, the thread sleeve 14 is sleeved with a toothed ring 16, one side of the toothed ring 16 is connected with a gear 15 in a meshed manner, and the gear 15 is connected with a motor 17 in a transmission manner; the motor 17 drives the toothed ring 16 to rotate through the gear 15, the toothed ring 16 drives the threaded sleeve 14 to rotate together, and the forward and reverse rotation of the threaded sleeve 14 can drive the threaded sleeve 14 to lift up and down.
One side of the case 51 is provided with a thermometer 11; the thermometer 11 is capable of monitoring the temperature inside the casing 51;
the top of the piston plate 12 is provided with a barometer 10; the barometer 10 is used for monitoring the air pressure in the cylinder 5 in real time.
The working principle of the utility model is as follows: when the oil pump is used, the motor 17 firstly runs, the lifting rod 13 is driven to ascend through the rotation of the gear 15, the toothed ring 16 and the thread sleeve 14 to move out of the cylinder 5, then oil is added to the metal net 18 piled on the bottom of the cylinder 5 from the top of the cylinder 5, the bottom of the cylinder 5 is sealed, then water is added into the cylinder 5, the motor 17 is started again, the lifting rod 13 descends, the piston plate 12 is pressed into the cylinder 5, and the air pressure in the cylinder 5 is increased to a target value;
after the test is finished, when the barrel 5 and the metal net 18 need to be cleaned, the water supply pipe 4 is connected with tap water, water is injected into the annular cavity between the sleeve shell 51 and the barrel 5 through the water supply pipe 4, and the heating wire 6 is started to heat the water in the annular cavity between the sleeve shell 51 and the barrel 5 to high temperature, so that grease in the barrel 5 is cleaned more conveniently, the water can be heated to generate high-temperature steam, the high-temperature steam can be sprayed into the barrel 5 through the runner between the lifting rod 13 and the piston plate 12 and flows downwards to be blown to the metal net 18, the barrel 5 and the metal net 18 are flushed by the high-temperature steam, grease can be cleaned more effectively and thoroughly, and different batches of tests can not be affected mutually.
The above examples only represent one kind of the device or various embodiments for testing the hydraulic tightness of shield tail sealing grease according to the present utility model, which are described in more detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.
Claims (6)
1. The utility model provides a shield tail sealing grease water pressure resistance tightness testing arrangement, includes barrel (5), and the below of barrel (5) is provided with metal mesh (18), its characterized in that: a shell (51) is arranged outside the cylinder (5), an annular cavity is formed between the inner wall of the shell (51) and the outer wall of the cylinder (5), and an electric heating wire (6) is arranged in the annular cavity;
the top of barrel (5) is provided with piston board (12), and the top of piston board (12) is connected with lifter (13), and the centre of piston board (12) and lifter (13) is provided with the runner that is linked together, and wherein the runner in the middle of piston board (12) extends to the outer wall all around of piston board (12), and the runner in the middle of lifter (13) with annular cavity is linked together.
2. The device for testing the hydraulic pressure resistance and tightness of shield tail sealing grease according to claim 1 is characterized in that: the electric heating wire (6) is an annular cavity which is spirally distributed between the cylinder body (5) and the shell (51), and vertical fin strips (52) are circumferentially distributed on the outer wall of the cylinder body (5).
3. The device for testing the hydraulic pressure resistance and tightness of shield tail sealing grease according to claim 1 is characterized in that: an arc-shaped recovery box (1) is arranged below the cylinder (5), two recovery grooves are formed in the recovery box (1), and a metal net (18) is fixedly arranged at the top of one of the recovery grooves of the recovery box (1);
a rotating column (3) is arranged on one side of the cylinder body (5), the rotating column (3) is fixedly connected with the cylinder body (5) through a sleeve frame (7), and a handle (9) is arranged on one side, far away from the rotating column (3), of the sleeve frame (7);
an annular convex seat (53) is arranged outside the sleeve (51), and the bottom of the annular convex seat (53) is connected with the sleeve frame (7) through a spring (8).
4. A shield tail sealing grease water pressure resistance tightness testing device according to claim 3, wherein: the two ends of the rotary column (3) are respectively provided with a hole groove, the hole grooves at the two ends of the rotary column (3) are communicated with the annular cavity between the cylinder body (5) and the casing (51), the hole grooves at one end of the rotary column (3) are rotationally connected with the water supply pipe (4), and the lifting rod (13) is inserted into the hole grooves at the other end of the rotary column (3).
5. The device for testing the hydraulic pressure resistance and tightness of shield tail sealing grease according to claim 1 is characterized in that: the outer wall of the lifting rod (13) is provided with threads, the lifting rod (13) is sleeved with a threaded sleeve (14) with a matched structure, the threaded sleeve (14) is sleeved with a toothed ring (16), one side of the toothed ring (16) is connected with a gear (15) in a meshed mode, and the gear (15) is connected with a motor (17) in a transmission mode.
6. The device for testing the hydraulic pressure resistance and tightness of shield tail sealing grease according to claim 1 is characterized in that: a thermometer (11) is arranged on one side of the shell (51);
the top of the piston plate (12) is provided with a barometer (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223524877.XU CN219301883U (en) | 2022-12-29 | 2022-12-29 | Shield tail sealing grease water pressure resistance tightness testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223524877.XU CN219301883U (en) | 2022-12-29 | 2022-12-29 | Shield tail sealing grease water pressure resistance tightness testing device |
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| Publication Number | Publication Date |
|---|---|
| CN219301883U true CN219301883U (en) | 2023-07-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223524877.XU Active CN219301883U (en) | 2022-12-29 | 2022-12-29 | Shield tail sealing grease water pressure resistance tightness testing device |
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| CN (1) | CN219301883U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117168704A (en) * | 2023-11-02 | 2023-12-05 | 固仕(辽阳)材料科技有限公司 | Sealing grease water pressure resistance tightness testing device for shield tunneling machine |
-
2022
- 2022-12-29 CN CN202223524877.XU patent/CN219301883U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117168704A (en) * | 2023-11-02 | 2023-12-05 | 固仕(辽阳)材料科技有限公司 | Sealing grease water pressure resistance tightness testing device for shield tunneling machine |
| CN117168704B (en) * | 2023-11-02 | 2024-01-12 | 固仕(辽阳)材料科技有限公司 | Sealing grease water pressure resistance tightness testing device for shield tunneling machine |
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