CN207600665U - Press off water experiment frame outside - Google Patents
Press off water experiment frame outside Download PDFInfo
- Publication number
- CN207600665U CN207600665U CN201721593336.9U CN201721593336U CN207600665U CN 207600665 U CN207600665 U CN 207600665U CN 201721593336 U CN201721593336 U CN 201721593336U CN 207600665 U CN207600665 U CN 207600665U
- Authority
- CN
- China
- Prior art keywords
- plate
- box culvert
- steel plate
- steel wire
- strip
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 57
- 238000002474 experimental method Methods 0.000 title claims abstract description 43
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 112
- 239000010959 steel Substances 0.000 claims abstract description 112
- 229920005549 butyl rubber Polymers 0.000 claims abstract description 23
- 238000007789 sealing Methods 0.000 claims abstract description 8
- 238000012360 testing method Methods 0.000 claims abstract description 8
- 239000000853 adhesive Substances 0.000 claims description 7
- 230000001070 adhesive effect Effects 0.000 claims description 7
- 241000276425 Xiphophorus maculatus Species 0.000 claims description 3
- 230000001680 brushing effect Effects 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 5
- 238000009434 installation Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 3
- 239000003351 stiffener Substances 0.000 description 3
- YACLQRRMGMJLJV-UHFFFAOYSA-N chloroprene Chemical compound ClC(=C)C=C YACLQRRMGMJLJV-UHFFFAOYSA-N 0.000 description 2
- 201000006549 dyspepsia Diseases 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000012946 outsourcing Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Landscapes
- Sewage (AREA)
Abstract
The utility model discloses pressing off water experiment frame outside one kind, for the closed-water test of box culvert structure link position, including：Butyl rubber plate, folder steel wire offset plate and steel plate strip；The folder steel wire offset plate is around the gap position being set between adjacent box culvert, and both ends are connect respectively with two neighboring box culvert；The lower face of the folder steel wire offset plate is contacted by butyl rubber plate with box culvert, and upper surface is provided with steel plate strip；The butyl rubber plate and steel plate strip are set for one week around the end of box culvert respectively, for the folder steel wire offset plate to be arranged between two adjacent box culverts and lives the gap sealing between adjacent box culvert.Experimental implementation process can not only be simplified and save corresponding manpower and materials, and can improve the accuracy and reliability for closing water experimental result by pressing off water experiment frame outside described.
Description
Technical field
The utility model is related to box culvert external pressure closed-water test correlative technology fields, particularly relate to press off water experiment outside one kind
Frame.
Background technology
It is usually after box culvert is installed in place and before not backfilling, the two of one section of box culvert that traditional box culvert external pressure, which closes water experiment,
Side is built a wall, and after wall reaches designed elevation and meets some strength, is poured water in the region, and water level is made to reach designed elevation, into
And whether observe box culvert inner wall and seam has Seepage, but this process is not only complicated for operation, artificial wastage is big, the time
It is longer, and corresponding experimental result is not accurate.Specifically, traditional box culvert external pressure closes water experimental facilities mainly by pressing off water reality outside
Frame, filling pipe, blow-off line, hydraulic test pump and valve system are tested, water experiment frame is pressed off outside as steel plate outsourcing seam crossing, passes through spiral shell
Bolt is tightly dead.Experiment test closes water flow when water passes through constant pressure and measures, but since box culvert weight is big, installation and surface subsidence etc. are former
Cause presses off water experiment frame and will appear drainage with box culvert surface outside, causes to measure numerical value inaccuracy.In particular in adjacent
The situation that may be subjected to displacement between box culvert, it is likely that so that experimental result is more inaccurate, unreliable.
Therefore, during the application is realized, inventor has found the prior art, and at least there are following defects：Current case
Culvert closes that water experiment is not only inconvenient, time-consuming and laborious, but also experimental result is difficult to accurately and reliably.
Utility model content
In view of this, the purpose of this utility model is that proposing to press off water experiment frame outside a kind of, experimental implementation can be simplified
Process and corresponding manpower and materials are saved, can additionally improve the accuracy and reliability for closing water experimental result.
Based on water experiment frame is pressed off outside above-mentioned purpose one kind provided by the utility model, for box culvert structure link position
Closed-water test, including：Butyl rubber plate, folder steel wire offset plate and steel plate strip；The folder steel wire offset plate, which is surround, is set to phase
Gap position between adjacent box culvert, and both ends are connect respectively with two neighboring box culvert；The lower face of the folder steel wire offset plate
It is contacted by butyl rubber plate with box culvert, upper surface is provided with steel plate strip；The butyl rubber plate and steel plate strip are respectively around case
The end one week of culvert is set, for the folder steel wire offset plate to be arranged between two adjacent box culverts and by adjacent box culvert
Between gap sealing live.
Optionally, the steel plate strip uses multisection type connection structure, and the quantity of the steel plate strip is corresponding with box culvert shape
Corner number be adapted；The shape of each steel plate strip is adapted with box culvert corner, and causes adjacent steel plate strip outside box culvert
Connection is realized at plane.
Optionally, one end of the steel plate strip is provided with groove structure, and the other end is provided with to be matched with the groove structure
Bulge-structure, for causing adjacent steel plate strip passes through the groove structure and bulge-structure to realize positioning and connection.
Optionally, the both ends of the steel plate strip are both provided with interface peg plate, and the interface peg plate of adjacent steel plate strip passes through spiral shell
It tethers and connects.
Optionally, the interface peg plate is L-type platy structure, and the L-type structure of adjacent interface peg plate is oppositely arranged；It is described
The L-type open side that interface peg plate is oppositely arranged is provided with stiffener plate.
Optionally, interface pressing plate is provided with below the interface peg plate of described steel plate strip one end, for causing the steel plate
One end of band is contacted by the interface pressing plate with the folder steel wire offset plate.
Optionally, the steel plate strip corresponds to box culvert corner and is provided with angle rib, and the shape of the angle rib and box culvert corner
Shape be adapted.
Optionally, the upper surface of the steel plate strip is additionally provided at least one handle.
Optionally, it is additionally provided with butyl rubber plate between the folder steel wire offset plate and steel plate strip.
Optionally, the folder steel wire offset plate corresponds to and is additionally provided with external connector at adjacent box culvert gap, for outside
Equipment connects.
Optionally, the outer wall of the box culvert and the butyl rubber plate and/or the butyl rubber plate and the folder steel wire
Between net offset plate can brushing slow setting adhesive, for prevent leak and increase bonding strength.Such as：The slow setting adhesive is
General chloroprene adhesive.
From the above it can be seen that water experiment frame is pressed off outside provided by the utility model, by between adjacent box culvert
Folder steel wire offset plate of the setting with certain elasticity and intensity so that the gap between box culvert can be by pressing from both sides steel wire offset plate reality
Now effective connection and sealing, even if experimental result will not be influenced by being subjected to displacement between adjacent box culvert.Pass through butyl rubber plate
And steel plate strip realizes the sealed connection between folder steel wire offset plate and two neighboring box culvert, not only so that pressing off water reality outside entire
The installation and removal for testing frame are very easy, and leakproofness can be bolted and be protected.Therefore, it is herein described outer
Experimental implementation process can be simplified and save corresponding manpower and materials by pressing off water experiment frame, can additionally be improved and be closed water experiment
As a result accuracy and reliability.
Description of the drawings
Fig. 1 is the structure diagram of one embodiment of non-installation folder steel wire offset plate provided by the utility model；
Fig. 2 is the stereoscopic schematic diagram of outer one embodiment for pressing off water experiment frame provided by the utility model；
Fig. 3 is the front view of outer one embodiment for pressing off water experiment frame provided by the utility model；
Fig. 4 is the partial sectional view of outer one embodiment for pressing off water experiment frame provided by the utility model；
Fig. 5 is the front view of one embodiment of steel plate strip provided by the utility model；
Fig. 6 is the right view of one embodiment of steel plate strip provided by the utility model；
Fig. 7 is the bottom view of one embodiment of steel plate strip provided by the utility model.
Specific embodiment
For the purpose of this utility model, technical solution and advantage is more clearly understood, below in conjunction with specific embodiment, and
With reference to attached drawing, the utility model is further described.
It should be noted that all statements for using " first " and " second " are for area in the utility model embodiment
Be divided to two non-equal entities of same names or non-equal parameter, it is seen that " first " " second " only for statement convenience,
The restriction to the utility model embodiment is should not be construed as, subsequent embodiment no longer illustrates this one by one.
It is described outer to press off water experiment frame closing for box culvert structure link position in the application some optional embodiments
Water test.Certainly, specific object is not limited to the experiment between box culvert, but can be with respective extension between two prefabricated components
Need the situation for carrying out external pressure clear water experiment that can be suitable for technical scheme.Water experiment frame is pressed off outside described to include：Fourth
Base rubber slab, folder steel wire offset plate and steel plate strip.The folder steel wire offset plate is around the gap being set between adjacent box culvert
Position, and both ends are connect respectively with two neighboring box culvert namely by realizing adjacent tank with flexible folder steel wire offset plate
Sealed connection experiment between culvert；The lower face of the folder steel wire offset plate is contacted by butyl rubber plate with box culvert so that folder
The lower face of steel wire offset plate is sealed with box culvert；Upper surface is provided with steel plate strip；The butyl rubber plate and steel plate strip difference ring
It is set around the end of box culvert one week, for the folder steel wire offset plate being arranged between two adjacent box culverts and will be adjacent
Gap sealing between box culvert is lived.
With reference to shown in Fig. 1, the structure of one embodiment for non-installation folder steel wire offset plate provided by the utility model is shown
It is intended to；Fig. 2 is the stereoscopic schematic diagram of outer one embodiment for pressing off water experiment frame provided by the utility model.With reference to Fig. 1 it is found that
When adjacent the first box culvert 11 and the second box culvert 12 are set together, centre there will necessarily be certain gap 13；Therefore, it is necessary to
It is tested to carrying out the outer water that presses off at this.With reference to shown in Fig. 2, the application is set to using steel wire offset plate 3 is pressed from both sides on gap, then
The folder steel wire offset plate 3 is fixed by steel plate strip (41,42) so that the seam between the first box culvert 11 and the second box culvert 12
Gap seals, and then can carry out closing water experiment.
Further, with reference to shown in Fig. 3 and Fig. 4, Fig. 3 is an outer implementation for pressing off water experiment frame provided by the utility model
The front view of example；Fig. 4 is the partial sectional view of outer one embodiment for pressing off water experiment frame provided by the utility model.By Fig. 4
It is found that the surface of the end of two adjacent box culverts is surrounded with butyl rubber plate (21,22), then by pressing from both sides steel wire offset plate
3 live gap sealing, are topmost fixed using steel plate strip (41,42) by steel wire offset plate 3 is pressed from both sides.
It should be noted that the butyl rubber plate, folder steel wire offset plate and steel plate strip described in the present embodiment are one
Preferred embodiment, and can alternative materials or structure be selected according to respective functional characteristic accordingly.
By above-described embodiment it is found that the outer water experiment frame that presses off has certain elasticity by being set between adjacent box culvert
With the folder steel wire offset plate of intensity so that gap between box culvert can realize effective connection and close by pressing from both sides steel wire offset plate
Envelope, even if experimental result will not be influenced by being subjected to displacement between adjacent box culvert.Folder is realized by butyl rubber plate and steel plate strip
Sealed connection between steel wire offset plate and two neighboring box culvert, not only so that the entire outer installation and removal for pressing off water experiment frame
It is very easy, and leakproofness can be bolted and be protected.Therefore, it is herein described it is outer press off water experiment frame can
Simplify and experimental implementation process and save corresponding manpower and materials, can additionally improve the accuracy of closing water experimental result and can
By property.
In the application some optional embodiments, with reference to shown in Fig. 3, the steel plate strip 3 uses multisection type connection structure,
And the quantity of steel plate strip corner number corresponding with box culvert shape is adapted；The shape of each steel plate strip is mutually fitted with box culvert corner
Match, and adjacent steel plate strip is caused to realize connection at box culvert outer surface level.The outer water experiment frame that presses off can be improved in this way to install
With the efficiency of dismounting.
In the application some optional embodiments, with reference to shown in Fig. 5,6,7, steel plate respectively provided by the utility model
The front view, right view, bottom view of one embodiment of band.One end of the steel plate strip 3 is provided with groove structure 45, the other end
Be provided with the 45 matched bulge-structure 46 of groove structure, for causing adjacent steel plate strip 3 by the groove structure and
Bulge-structure realizes positioning and connection.In this way, the outer installation effectiveness and precision for pressing off water experiment frame can not only be further speeded up,
And the bonding strength of steel plate strip 3 can be improved.
In the application some optional embodiments, with reference to shown in Fig. 3, the both ends of the steel plate strip are both provided with interface peg
Plate 43, and the interface peg plate 43 of adjacent steel plate strip 3 is connected by bolt 7.In this way, it can not only improve bonding strength, Er Qieke
To adjust the tightness of steel plate strip 3 as desired by bolt, and then ensure to close the accuracy and reliability of water experiment.
In the application some optional embodiments, the interface peg plate 43 is L-type platy structure, and adjacent interface peg plate
L-type structure be oppositely arranged；The L-type open side that the interface peg plate is oppositely arranged is provided with stiffener plate.By L-type structure,
Not only so that interface peg plate 43 and the installing and dismounting of steel plate strip 3 are more simple and efficient, but also can improve machine by stiffener plate
Tool intensity.
In the application some optional embodiments, the lower section of the interface peg plate 43 of described 3 one end of steel plate strip, which is provided with, to be connect
Mouth pressing plate 44, one end for causing the steel plate strip are contacted by the interface pressing plate with the folder steel wire offset plate.In this way,
The effect of sealing can be further improved.
In the application some optional embodiments, the steel plate strip corresponds to box culvert corner and is provided with angle rib 5, and described
The shape of angle rib 5 is adapted with the shape of box culvert corner.In this way, it is more preferable so that the corresponding corner of the steel plate strip has
Bonding strength and service life.
In the application some optional embodiments, the upper surface of the steel plate strip 3 is additionally provided at least one handle 6,
For facilitating the installing and dismounting of the steel plate strip 3.
In the application some optional embodiments, butyl is additionally provided between the folder steel wire offset plate 3 and steel plate strip
Rubber slab.Preferable sealing state is kept in this way, can to press from both sides between steel wire offset plate 3 and steel plate strip.
Preferably, the outer wall of the box culvert and the butyl rubber plate and/or the butyl rubber plate and the folder steel wire
Between net offset plate can brushing slow setting adhesive, for prevent leak and increase bonding strength.Such as：The slow setting adhesive is
General chloroprene adhesive.
In the application some optional embodiments, the folder steel wire offset plate corresponds to be additionally provided at adjacent box culvert gap
External connector 8, for being connect with external equipment.Such as：With external connector, valve, water injection pipe, pressure gauge etc..
Further, the steel plate strip is connect by a series of through-hole with box culvert, length side of the through-hole along steel plate strip
To arrangement, it is easily installed and dismantles.Preferably, the through-hole is using two rows of settings that interlock.
Those of ordinary skills in the art should understand that：The discussion of any of the above embodiment is exemplary only, not
It is intended to imply that the scope of the present disclosure is limited to these examples (including claim)；Under the thinking of the utility model, more than it is real
Applying can also be combined, and there are the utility model as described above between the technical characteristic in example or different embodiment
Many other variations of different aspect, for simplicity, they are not provided in details.Therefore, all spirit in the utility model
Within principle, any omission for being made, modification, equivalent replacement, improvement etc. should be included in the scope of protection of the utility model
Within.
In addition, to simplify explanation and discussing, and in order not to which the utility model indigestion can be made, in the attached drawing provided
In can show or can not show that the well known power ground with integrated circuit (IC) chip and other components is connect.In addition,
Device can be shown in block diagram form, to avoid making the utility model indigestion, and this has also contemplated following facts,
Details i.e. about the embodiment of these block diagram arrangements be height depend on will implement the utility model platform (that is,
These details should be completely in the range of the understanding of those skilled in the art).Elaborate detail (for example, circuit) with
In the case of the exemplary embodiment for describing the utility model, it will be apparent to those skilled in the art that can be
Without implementing the utility model in the case of these details or in the case that these details change.Therefore, this
A little descriptions should be considered as illustrative rather than restrictive.
Although having been incorporated with specific embodiment the utility model is described, according to the description of front, this
Many replacements of a little embodiments, modifications and variations will be apparent for those of ordinary skills.It is for example, other
Memory architecture (for example, dynamic ram (DRAM)) can use discussed embodiment.
The embodiment of the utility model is intended to cover fall into all such within the broad range of appended claims
It replaces, modifications and variations.Therefore, within the spirit and principle of the utility model, it is any omission for being made, modification, equivalent
Replace, improve etc., it should be included within the scope of protection of this utility model.
Claims (10)
1. water experiment frame is pressed off a kind of outer, which is characterized in that for the closed-water test of box culvert structure link position, including：Butyl
Rubber slab, folder steel wire offset plate and steel plate strip；The folder steel wire offset plate is around the gap position being set between adjacent box culvert
It puts, and both ends are connect respectively with two neighboring box culvert；The lower face of the folder steel wire offset plate passes through butyl rubber plate and case
Contain contact, upper surface is provided with steel plate strip；The butyl rubber plate and steel plate strip are set for one week around the end of box culvert respectively, are used
It is lived between the folder steel wire offset plate is arranged on two adjacent box culverts and by the gap sealing between adjacent box culvert.
2. press off water experiment frame outside according to claim 1, which is characterized in that the steel plate strip is using multisection type connection knot
Structure, and the quantity of steel plate strip corner number corresponding with box culvert shape is adapted；The shape of each steel plate strip and box culvert corner
It is adapted, and adjacent steel plate strip is caused to realize connection at box culvert outer surface level.
3. press off water experiment frame outside according to claim 2, which is characterized in that one end setting of the steel plate strip is fluted
Structure, the other end be provided with the matched bulge-structure of the groove structure, for adjacent steel plate strip to be caused to pass through the groove
Structure and bulge-structure realize positioning and connection.
4. press off water experiment frame outside according to claim 2, which is characterized in that the both ends of the steel plate strip, which are both provided with, to be connect
Mouth bolt plate, and the interface peg plate of adjacent steel plate strip is bolted.
5. pressing off water experiment frame outside according to claim 4, which is characterized in that the interface peg plate is L-type platy structure,
And the L-type structure of adjacent interface peg plate is oppositely arranged；The L-type open side that the interface peg plate is oppositely arranged is provided with reinforcing rib
Plate.
6. press off water experiment frame outside according to claim 4, which is characterized in that the interface peg plate of described steel plate strip one end
Lower section is provided with interface pressing plate, and one end for causing the steel plate strip passes through the interface pressing plate and the folder steel wire offset plate
Contact.
7. press off water experiment frame outside according to claim 2, which is characterized in that the steel plate strip corresponds to box culvert corner and sets
Angle rib is equipped with, and the shape of the angle rib is adapted with the shape of box culvert corner.
Outer press off water experiment frame 8. according to claim 1, which is characterized in that the folder steel wire offset plate and steel plate strip it
Between be additionally provided with butyl rubber plate.
9. press off water experiment frame outside according to claim 8, which is characterized in that the outer wall of the box culvert and the butyl rubber
Brushing slow setting adhesive between offset plate and/or the butyl rubber plate and the folder steel wire offset plate, for preventing leak and increasing
Add bonding strength.
10. press off water experiment frame outside according to claim 1, which is characterized in that the folder steel wire offset plate corresponds to adjacent
Box culvert is additionally provided with external connector at gap, for being connect with external equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721593336.9U CN207600665U (en) | 2017-11-24 | 2017-11-24 | Press off water experiment frame outside |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721593336.9U CN207600665U (en) | 2017-11-24 | 2017-11-24 | Press off water experiment frame outside |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207600665U true CN207600665U (en) | 2018-07-10 |
Family
ID=62761083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721593336.9U Expired - Fee Related CN207600665U (en) | 2017-11-24 | 2017-11-24 | Press off water experiment frame outside |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207600665U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111458086A (en) * | 2020-04-01 | 2020-07-28 | 井浩 | Method for rapidly detecting waterproof quality of assembled box culvert seam |
-
2017
- 2017-11-24 CN CN201721593336.9U patent/CN207600665U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111458086A (en) * | 2020-04-01 | 2020-07-28 | 井浩 | Method for rapidly detecting waterproof quality of assembled box culvert seam |
| CN111458086B (en) * | 2020-04-01 | 2021-12-07 | 井浩 | Method for rapidly detecting waterproof quality of assembled box culvert seam |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102331328B (en) | Field hydrostatic test method for water-proof system of building deformation joint | |
| CN104569341B (en) | The method of vacuum pre-pressed joint electric osmose test | |
| CN104677575B (en) | A kind of waterstop watertight test method | |
| CN205038028U (en) | Seam waterproof performance test device that shield tunnel multichannel line of defence stagnant water is sealed | |
| CN108414425B (en) | Waterproof performance test system and method for grouting repair material of shield tunnel joint | |
| CN208718648U (en) | A kind of double embolisms of hydraulic type | |
| CN103792182B (en) | A kind of double-electrolyzer and application of simulating underdeposit corrosion | |
| CN207600665U (en) | Press off water experiment frame outside | |
| CN204781016U (en) | Gasbag formula open trench tunnel movement joint seal structure | |
| CN104458531A (en) | Device and method for testing water permeability resistance of lateral restriction-free concrete joint | |
| CN209458570U (en) | A kind of pipe flange detection device | |
| CN208633089U (en) | A kind of embedded Monitoring on Earth Pressure device | |
| CN105807802B (en) | A kind of automatic control dam hydraulic pressure force checking device and its monitoring method | |
| CN109142685A (en) | Subgrade slope engineering model test box | |
| CN209673308U (en) | The pressure-resistant seal performance test device of submerged tunnel structure | |
| CN104833791B (en) | A kind of Portable artificial rainfall simulation device | |
| CN203403448U (en) | Foundation pile bearing capacity detecting medium exchanging and filling device | |
| CN206267201U (en) | Uplift is than surveying device | |
| CN210375577U (en) | Engine oil pan water leakage detection device | |
| CN103410178B (en) | A kind of pile bearing capacity detects Medium Exchange filling device | |
| CN108612953A (en) | A kind of method for blocking of electric power transformer insulated cooling media leaks point | |
| CN209117682U (en) | Subgrade slope engineering model test box | |
| CN211477994U (en) | Geomembrane leakage simulation test instrument considering dynamic water pressure | |
| CN110243546B (en) | Articulated sealing test bed of heading machine | |
| CN208633049U (en) | Assembled group surrounds well |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221017 Address after: 232200 Lu Si Dui, Zhougang Village, Shuangmiaoji Town, Huainan City, Anhui Province Patentee after: Li Yanrong Patentee after: Fang Yuhao Address before: Building 2, No. 9, Haiying Road, Science City, Fengtai District, Beijing 100086 Patentee before: ZHONGTAI INTERNATIONAL HIGH-TECH Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221226 Address after: No. 610, Building 10, Wanjiang Community, No. 209, Xinbengbu Road, Xinzhan District, Hefei City, Anhui Province, 230000 Patentee after: Anhui Chuntai Construction Engineering Co.,Ltd. Address before: 232200 Lu Si Dui, Zhougang Village, Shuangmiaoji Town, Huainan City, Anhui Province Patentee before: Li Yanrong Patentee before: Fang Yuhao |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180710 |