CN110206941B - Inside pipeline adjusting device of utility tunnel - Google Patents
Inside pipeline adjusting device of utility tunnel Download PDFInfo
- Publication number
- CN110206941B CN110206941B CN201910502377.XA CN201910502377A CN110206941B CN 110206941 B CN110206941 B CN 110206941B CN 201910502377 A CN201910502377 A CN 201910502377A CN 110206941 B CN110206941 B CN 110206941B
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- Prior art keywords
- adjusting
- groove
- grooves
- nut
- fixed
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- 239000002184 metal Substances 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 206010057071 Rectal tenesmus Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 208000012271 tenesmus Diseases 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/10—Tunnels or galleries specially adapted to house conduits, e.g. oil pipe-lines, sewer pipes ; Making conduits in situ, e.g. of concrete ; Casings, i.e. manhole shafts, access or inspection chambers or coverings of boreholes or narrow wells
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B35/00—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
- F16B35/04—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws with specially-shaped head or shaft in order to fix the bolt on or in an object
- F16B35/041—Specially-shaped shafts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B39/00—Locking of screws, bolts or nuts
- F16B39/02—Locking of screws, bolts or nuts in which the locking takes place after screwing down
- F16B39/04—Locking of screws, bolts or nuts in which the locking takes place after screwing down with a member penetrating the screw-threaded surface of at least one part, e.g. a pin, a wedge, cotter-pin, screw
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L3/00—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
- F16L3/16—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets with special provision allowing movement of the pipe
- F16L3/20—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets with special provision allowing movement of the pipe allowing movement in transverse direction
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L3/00—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
- F16L3/22—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets specially adapted for supporting a number of parallel pipes at intervals
- F16L3/223—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets specially adapted for supporting a number of parallel pipes at intervals each support having one transverse base for supporting the pipes
Abstract
The invention discloses a comprehensive pipe gallery internal pipeline adjusting device, which comprises: the pipe rack comprises a pipe rack, wherein a plurality of pipelines are arranged in the pipe rack, adjusting grooves are symmetrically arranged in the pipe rack, sliding grooves communicated with the adjusting grooves are symmetrically arranged on the inner wall of the pipe rack, a first mounting groove is formed in the upper end of each sliding groove, a sliding part is movably connected in each adjusting groove, studs are symmetrically and vertically arranged in the pipe rack, two ends of each stud are fixedly connected with the inner wall of the pipe rack, and a plurality of nuts are in threaded connection with the studs; still be provided with the fixed plate in the piping lane, the nut setting is in the fixed plate below, and the pipeline setting is at the fixed plate top surface, and the fixed plate bottom is connected with the backup pad, the right-hand member of fixed plate and backup pad all with slider fixed connection, the spacing groove has been seted up on the fixed plate surface. The invention is convenient for adjusting and calibrating the height of the fixing plates, is convenient for adding the number of the fixing plates, and can prevent the nut from loosening in daily use.
Description
Technical Field
The invention relates to the technical field of comprehensive pipe galleries, in particular to an internal pipeline adjusting device of a comprehensive pipe gallery.
Background
With the continuous development of city construction, the construction of comprehensive pipe galleries in China is continuously developed. In 1994, the first comprehensive pipe gallery with large scale and long distance in China was initially built in the Yangyu road in the Pudong new area in Shanghai city. The utility tunnel has a total length of about 11.125 km, is buried under sidewalks on two sides of a road, and is of a reinforced concrete structure, the section of the utility tunnel is rectangular, and the utility tunnel consists of a gas chamber and an electric power chamber. The comprehensive pipe gallery is also provided with quite complete safety supporting facilities, and a central computer data acquisition and display system is built.
At present, the following problems exist in the existing pipe gallery: (1) the fixed plate is arranged on the inner wall of the pipe gallery to fix and support the pipeline, the fixed plate is fixedly connected with the pipe gallery and cannot be adjusted, and the height needs to be calibrated by measuring with a ruler during operation, so that the operation is troublesome; (2) when the fixing plate is added, holes need to be punched in the inner wall of the pipe gallery, and then the fixing plate is fixed through expansion bolts, so that the operation is inconvenient; (3) the pipeline can produce certain vibration in daily use, can lead to the construction bolt of fixed plate to take place not hard up, and serious meeting leads to the nut to drop, pipeline tenesmus fracture. For this reason, a new scheme needs to be designed to give improvements.
Disclosure of Invention
The invention aims to provide an adjusting device for an internal pipeline of a comprehensive pipe gallery, which solves the problems in the background art and meets the actual use requirements.
In order to achieve the purpose, the invention provides the following technical scheme: an utility tunnel internal pipe adjusting device, comprising: the pipe rack comprises a pipe rack, wherein a plurality of pipelines are arranged in the pipe rack, adjusting grooves are symmetrically arranged in the pipe rack, sliding grooves communicated with the adjusting grooves are symmetrically arranged on the inner wall of the pipe rack, a first mounting groove is formed in the upper end of each sliding groove, sliding parts are movably connected in the adjusting grooves, studs are symmetrically and vertically arranged in the pipe rack, two ends of each stud are fixedly connected with the inner wall of the pipe rack, and a plurality of nuts are in threaded connection with the studs; still be provided with the fixed plate in the piping lane, the nut sets up in the fixed plate below, the pipeline sets up at the fixed plate top surface, the fixed plate bottom is connected with the backup pad, the right-hand member of fixed plate and backup pad all with slider fixed connection, the spacing groove has been seted up on the fixed plate surface.
As a preferred embodiment of the invention, two mounting grooves II are respectively formed in two sides of the nut, two adjusting rods are arranged in the mounting grooves II, a sleeve is arranged between the two adjusting rods and is connected with the two adjusting rods through the sleeve, a clamping block is fixed at the left end of the adjusting rod above the sleeve, an adjusting button is connected with the right end of the adjusting rod below the sleeve, a threaded hole is formed in the middle of the nut, the clamping block extends into the threaded hole, the free end of the adjusting button is arranged outside the nut, and the clamping block and the adjusting button are both in a trapezoidal structure.
As a preferred embodiment of the present invention, a fixing mechanism is further disposed in the second mounting groove, the fixing mechanism includes fixing blocks and a connecting column, two opposite surfaces of the fixing blocks are respectively provided with an embedding groove, a spring is fixed in each embedding groove, two ends of the connecting column are respectively disposed in the embedding grooves, and the sleeve is sleeved on the connecting column.
As a preferred embodiment of the present invention, the top surface of the fixing block is provided with a fixing groove in a linear shape, and the outer wall of the fixing block is symmetrically provided with mounting blocks.
As a preferred embodiment of the present invention, the surface of the stud is provided with threads, the surface of the stud is symmetrically provided with clamping grooves, the clamping blocks are connected with the clamping grooves in an embedded manner, and the clamping grooves are further provided with scales.
As a preferred embodiment of the present invention, the sliding member includes a connecting plate and limiting plates fixed to both sides of the connecting plate, and a connecting bolt is fixed to a surface of the connecting plate.
Compared with the prior art, the invention has the following beneficial effects:
(1) this piping lane, inside set up the fixed plate and come to support the pipeline, can carry out the altitude mixture control of certain degree to the fixed plate rotating the nut of fixed plate below, and it is comparatively convenient to adjust, and sets up the scale on the double-screw bolt, is convenient for highly calibrate it, need not the reuse ruler measurement.
(2) This piping lane can add the quantity of fixed plate, and adds convenient operation, need not to punch the operation to the piping lane inner wall again.
(3) This piping lane has designed at the nut internal design of fixed plate below and has prevented reversing mechanism, can prevent to lead to the not hard up phenomenon of nut because of pipeline vibration in daily use.
Drawings
FIG. 1 is a block diagram of the utility tunnel internal pipe conditioning apparatus of the present invention;
FIG. 2 is a top view of the fixing plate according to the present invention;
FIG. 3 is a view of the internal wall structure of the tube lane according to the present invention;
FIG. 4 is a cross-sectional view of the nut of the present invention;
FIG. 5 is a partial block diagram of the securing mechanism of the present invention;
FIG. 6 is a partial block diagram of the stud of the present invention.
In the figure, a pipe gallery 1; a stud 2; an adjustment groove 3; a pipe 4; a fixed plate 5; a support plate 6; a slider 7; a nut 8; a limiting groove 9; a first mounting groove 10; a chute 11; a connecting bolt 12; a connecting plate 13; a limit plate 14; an adjusting knob 15; a screw hole 16; a latch 17; a second mounting groove 18; an adjustment lever 19; a fixing mechanism 20; a metal dome 21; a connecting post 22; a fixed block 23; a fixing groove 24; a spring 25; an embedding groove 26; a mounting block 27; a sleeve 28; a card slot 29; scale 30.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides a technical solution: an utility tunnel internal pipe adjusting device, comprising: the pipe rack comprises a pipe rack 1, wherein a plurality of pipelines 4 are arranged inside the pipe rack 1, adjusting grooves 3 are symmetrically arranged in the pipe rack 1, sliding grooves 11 communicated with the adjusting grooves 3 are symmetrically arranged on the inner wall of the pipe rack 1, a first mounting groove 10 is arranged at the upper end of each sliding groove 11, a sliding part 7 is movably connected in each adjusting groove 3, the sliding part 7 can vertically move in each adjusting groove 3, studs 2 are symmetrically and vertically arranged in the pipe rack 1, two ends of each stud 2 are fixedly connected with the inner wall of the pipe rack 1, a plurality of nuts 8 are in threaded connection with the studs 2, and a fixing plate 5 can vertically move at a certain distance after the nuts 8 rotate, so that the height of the fixing plate 5 is adjusted, the adjustment is convenient, and the nuts 8 can be mounted when the studs 2 are mounted, so that the fixing plate 5 can be added or; still be provided with fixed plate 5 in piping lane 1, nut 8 sets up in fixed plate 5 below, and pipeline 4 sets up at fixed plate 5 top surfaces, and fixed plate 5 bottom is connected with backup pad 6, and backup pad 6 is provided with two altogether, plays the supporting role to fixed plate 5, and the right-hand member of fixed plate 5 and backup pad 6 all with slider 7 fixed connection, spacing groove 9 has been seted up on fixed plate 5 surface, conveniently adds fixed plate 5.
Further improved, as shown in fig. 4: two sides of the nut 8 are respectively provided with a second mounting groove 18, two adjusting rods 19 are arranged in the second mounting groove 18, a sleeve 28 is arranged between the two adjusting rods 19 and is connected through the sleeve 28, a clamping block 17 is fixed at the left end of the adjusting rod 19 above the sleeve 28, an adjusting button 15 is connected at the right end of the adjusting rod 19 below the sleeve 28, a metal elastic sheet 21 is arranged at the left end of the adjusting rod 21, the other end of the metal elastic sheet 21 is connected with the second mounting groove 18, the metal elastic sheet 21 pushes the adjusting rod 19 to be rapidly reset, a threaded hole 16 is formed in the middle of the nut 8, the clamping block 17 extends into the threaded hole 16, the free end of the adjusting button 15 is arranged outside the nut 8, the clamping block 17 and the adjusting button 15 are both in a trapezoidal structure, a mounting hole is further formed in the surface of the nut 8 and is used for mounting the fixing mechanism 20, when the nut 8 is rotated by using a wrench, the wrench pushes the inclined plane of the adjusting button 15 to move inwards, the adjusting rod 19 rotates to a certain degree around the sleeve 28, so that the block 17 moves outwards and is separated from the clamping groove 29, at this time, the nut 8 can rotate, and the adjusting button 15 does not need to be pushed when the nut 8 is screwed upwards due to the inclined surface arranged on one side of the block 17.
Further improved, as shown in fig. 5: still be provided with fixed establishment 20 in two 18 mounting grooves, fixed establishment 20 includes fixed block 23 and spliced pole 22, inlay groove 26 has all been seted up to the counterface of two fixed blocks 23, it all is fixed with spring 25 in inlaying groove 26, spliced pole 22 both ends set up respectively in inlaying groove 26, sleeve pipe 28 cup joints on spliced pole 22, this mounting hole and two 18 intercommunications of mounting groove, and mounting hole surface edge offers the through-hole that cooperation installation piece 27 used, in the time of installation fixed block 23, it rotates certain angle and then loosens to pass installation piece 27 behind the through-hole, spring 25 gives fixed block 23 resilience force, make it fix.
Further improved, as shown in fig. 5: the top surface of the fixing block 23 is provided with a linear fixing groove 24, the outer wall of the fixing block 23 is symmetrically provided with mounting blocks 27, and the linear fixing groove 24 is convenient to adjust by adopting a linear screwdriver.
Further improved, as shown in fig. 6: the surface of the stud 2 is provided with threads, the surface of the stud 2 is symmetrically provided with a clamping groove 29, the clamping block 17 is connected with the clamping groove 29 in an embedded mode, the clamping groove 29 is internally provided with scales 30, the clamping groove 29 is matched with the clamping block 17 for use, the nut 8 is prevented from rotating, the scales 30 are engraved in the clamping groove 29 by adopting a laser technology, and the use is facilitated when the height of the fixing plate 5 is calibrated.
Specifically, the sliding member 7 includes a connecting plate 13 and a limiting plate 14 fixed on both sides of the connecting plate 13, the connecting plate 13 is fixed with a connecting bolt 12 on the surface, and the fixing plate 5 and the supporting plate 6 are connected with the connecting bolt 14 by a nut.
When the pipeline is installed, the nut 8 is rotated to the lower part, the sliding part 7 to be used is installed in the adjusting groove 3 through the installing groove I10, then the fixing plate 5 is taken out, the opening end of the limiting groove 9 of the fixing plate 5 is close to the inner wall of the pipe gallery 1, the stud 2 is arranged in the limiting groove 9, then the fixing plate 5 and the supporting plate 6 are respectively connected with the sliding part 7 through the nut 8, the nut 8 is rotatably lifted after being connected and is contacted with the bottom surface of the fixing plate 5, the fixing plate 5 is jacked up through continuous rotation, the scale 30 is observed, the nut 8 is not rotated when the required height is reached, the nut on the sliding part 7 is fastened to fix the fixing plate 5 and the supporting plate 6, the pipeline 4 is fixed on the top surface of the fixing plate 5 after the fixing is finished, when the height of the fixing plate 5 is required to be, then adjust and use the spanner to rotate nut 8 of fixed plate below, when needing to adjust fixed plate 5 down, when using the spanner, the spanner card is provided with the both sides wall of adjusting knob 15 on nut 8 surface (need not to consider when fixed plate 5 upwards adjusts), when the spanner promotes adjusting knob 15, adjust pole 19 and use sleeve pipe 28 as the center and rotate, make fixture block 17 shift out draw-in groove 29 and take in to mounting groove two 18, can rotate the regulation this moment, it can to take off the spanner and fasten the nut on slider 7 after the regulation is accomplished.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. An utility tunnel internal pipe adjusting device, comprising: piping lane (1), piping lane (1) inside is provided with a plurality of pipeline (4), its characterized in that: adjusting grooves (3) are symmetrically arranged in the pipe gallery (1), sliding grooves (11) communicated with the adjusting grooves (3) are symmetrically arranged on the inner wall of the pipe gallery (1), a first mounting groove (10) is arranged at the upper end of each sliding groove (11), sliding parts (7) are movably connected in the adjusting grooves (3), studs (2) are symmetrically and vertically arranged in the pipe gallery (1), two ends of each stud (2) are fixedly connected with the inner wall of the pipe gallery (1), and a plurality of nuts (8) are in threaded connection with the studs (2);
a fixing plate (5) is further arranged in the pipe gallery (1), the nut (8) is arranged below the fixing plate (5), the pipeline (4) is arranged on the top surface of the fixing plate (5), a supporting plate (6) is connected to the bottom of the fixing plate (5), the right ends of the fixing plate (5) and the supporting plate (6) are fixedly connected with a sliding part (7), and a limiting groove (9) is formed in the surface of the fixing plate (5);
two mounting grooves II (18) are formed in two sides of the nut (8), two adjusting rods (19) are arranged in the mounting grooves II (18), a sleeve (28) is arranged between the two adjusting rods (19) and connected through the sleeve (28), a clamping block (17) is fixed at the left end of each adjusting rod (19) above the sleeve (28), an adjusting button (15) is connected at the right end of each adjusting rod (19) below the sleeve (28), a threaded hole (16) is formed in the middle of the nut (8), the clamping block (17) extends into the threaded hole (16), the free end of each adjusting button (15) is arranged outside the nut (8), and the clamping block (17) and the adjusting button (15) are both in a trapezoidal structure;
still be provided with fixed establishment (20) in mounting groove two (18), fixed establishment (20) are including fixed block (23) and spliced pole (22), two inlay groove (26) have all been seted up to the opposite face of fixed block (23), it all is fixed with spring (25) in groove (26) to inlay, spliced pole (22) both ends set up respectively in inlaying groove (26), sleeve pipe (28) cup joint on spliced pole (22).
2. The utility tunnel internal pipe adjusting device of claim 1, characterized in that: the top surface of the fixing block (23) is provided with a linear fixing groove (24), and the outer wall of the fixing block (23) is symmetrically provided with mounting blocks (27).
3. The utility tunnel internal pipe adjusting device of claim 2, characterized in that: the surface of the stud (2) is provided with threads, the surface of the stud (2) is symmetrically provided with clamping grooves (29), the clamping blocks (17) are connected with the clamping grooves (29) in an embedded mode, and scales (30) are further arranged in the clamping grooves (29).
4. The utility tunnel internal pipe adjusting device of claim 1, characterized in that: the sliding piece (7) comprises a connecting plate (13) and limiting plates (14) fixed on two sides of the connecting plate (13), and connecting bolts (12) are fixed on the surface of the connecting plate (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910502377.XA CN110206941B (en) | 2019-06-11 | 2019-06-11 | Inside pipeline adjusting device of utility tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910502377.XA CN110206941B (en) | 2019-06-11 | 2019-06-11 | Inside pipeline adjusting device of utility tunnel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110206941A CN110206941A (en) | 2019-09-06 |
| CN110206941B true CN110206941B (en) | 2021-08-06 |
Family
ID=67791977
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910502377.XA Active CN110206941B (en) | 2019-06-11 | 2019-06-11 | Inside pipeline adjusting device of utility tunnel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110206941B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111546305A (en) * | 2020-05-14 | 2020-08-18 | 安徽法雷特热交换科技有限公司 | Auto radiator rack in salt fog test box |
| CN113789810A (en) * | 2021-09-03 | 2021-12-14 | 中交投资南京有限公司 | Prefabricated assembly type pipe gallery and construction method thereof |
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| FR530422A (en) * | 1920-02-04 | 1921-12-22 | Improvements to lock nuts and other similar devices | |
| DE20306820U1 (en) * | 2003-05-02 | 2003-07-24 | Hitz Robert | Locking system for nut screwed onto bolt has pivoting pawl spring-loaded by piece of resilient material, trailing when nut is being screwed up and leading when nut starts to unscrew |
| CN206929434U (en) * | 2017-04-21 | 2018-01-26 | 山东安泰克工程材料有限公司 | A kind of pipe gallery line holder |
| CN207848597U (en) * | 2018-01-18 | 2018-09-11 | 江苏精享裕建工有限公司 | A kind of fixed system of pipeline |
| CN208204184U (en) * | 2018-05-22 | 2018-12-07 | 问善斌 | A kind of civil engineering auxiliary device |
| CN208397445U (en) * | 2018-05-29 | 2019-01-18 | 魏向阳 | A kind of novel piping lane piping fixing structure |
| CN208565231U (en) * | 2018-06-26 | 2019-03-01 | 中船重工海为郑州高科技有限公司 | A kind of ratchet locking device |
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|---|---|---|---|---|
| GB9822710D0 (en) * | 1998-10-16 | 1998-12-09 | Wheelsafe Limited | A fastner device |
| CA2671249A1 (en) * | 2008-07-08 | 2010-01-08 | Gregory James Bawden | Device for inhibiting unfastening rotation of rotary fasteners, particularly for vehicle wheels |
| FR2943107B1 (en) * | 2009-03-13 | 2012-03-30 | Patrick Robert Andre Orttner | NUT SECURITY SYSTEM |
| CN204582023U (en) * | 2015-03-18 | 2015-08-26 | 广州军区广州总医院 | A kind of plaque virus inactivating device |
| CN105360092A (en) * | 2015-11-18 | 2016-03-02 | 常州春海园艺有限公司 | Gardening sprayer |
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Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR530422A (en) * | 1920-02-04 | 1921-12-22 | Improvements to lock nuts and other similar devices | |
| DE20306820U1 (en) * | 2003-05-02 | 2003-07-24 | Hitz Robert | Locking system for nut screwed onto bolt has pivoting pawl spring-loaded by piece of resilient material, trailing when nut is being screwed up and leading when nut starts to unscrew |
| CN206929434U (en) * | 2017-04-21 | 2018-01-26 | 山东安泰克工程材料有限公司 | A kind of pipe gallery line holder |
| CN207848597U (en) * | 2018-01-18 | 2018-09-11 | 江苏精享裕建工有限公司 | A kind of fixed system of pipeline |
| CN208204184U (en) * | 2018-05-22 | 2018-12-07 | 问善斌 | A kind of civil engineering auxiliary device |
| CN208397445U (en) * | 2018-05-29 | 2019-01-18 | 魏向阳 | A kind of novel piping lane piping fixing structure |
| CN208565231U (en) * | 2018-06-26 | 2019-03-01 | 中船重工海为郑州高科技有限公司 | A kind of ratchet locking device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110206941A (en) | 2019-09-06 |
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