CN113752357A - A examination mould bracket that is used for section of jurisdiction streamlined production to take a sample - Google Patents
A examination mould bracket that is used for section of jurisdiction streamlined production to take a sample Download PDFInfo
- Publication number
- CN113752357A CN113752357A CN202111158370.4A CN202111158370A CN113752357A CN 113752357 A CN113752357 A CN 113752357A CN 202111158370 A CN202111158370 A CN 202111158370A CN 113752357 A CN113752357 A CN 113752357A
- Authority
- CN
- China
- Prior art keywords
- frame
- mould
- bracket
- sampling
- mounting
- 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.)
- Pending
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/08—Producing shaped prefabricated articles from the material by vibrating or jolting
- B28B1/087—Producing shaped prefabricated articles from the material by vibrating or jolting by means acting on the mould ; Fixation thereof to the mould
- B28B1/0873—Producing shaped prefabricated articles from the material by vibrating or jolting by means acting on the mould ; Fixation thereof to the mould the mould being placed on vibrating or jolting supports, e.g. moulding tables
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
- B28B11/24—Apparatus or processes for treating or working the shaped or preshaped articles for curing, setting or hardening
- B28B11/245—Curing concrete articles
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/04—Devices for withdrawing samples in the solid state, e.g. by cutting
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Ceramic Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Structural Engineering (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention belongs to the field of duct piece production sampling, and discloses a test mould bracket for duct piece production line production sampling, which comprises a mould vehicle, wherein a vibration frame is arranged at the top of the mould vehicle, a duct piece mould is arranged at the top of the vibration frame, two main beams are arranged on the vibration frame, the two main beams are respectively positioned on the front side and the back side of the duct piece mould, an upper sliding groove is formed in the top of each main beam, a universal shaft is slidably connected to the inner side of the upper sliding groove, parallel beams are fixedly connected to the top of the universal shaft, steering beams are movably connected to the tops of the two parallel beams, fixing clamps are respectively arranged at the tops of the main beams and the parallel beams, and mould limit clamps which are arranged at equal intervals are fixedly connected to the tops of the steering beams. The invention greatly reduces the working intensity of related personnel, shortens the manufacturing time, greatly reduces the labor and greatly improves the working efficiency.
Description
Technical Field
The invention relates to the field of duct piece production sampling, in particular to a test mold bracket for duct piece production line production sampling.
Background
The shield segment is a main assembly component for shield construction, is the innermost barrier of the tunnel and plays a role in resisting soil layer pressure, underground water pressure and some special loads. The shield segment is a permanent lining structure of a shield tunnel, and the quality of the shield segment is directly related to the overall quality and safety of the tunnel, so that the waterproof performance and the durability of the tunnel are influenced.
The existing segment production does not have a similar tool for sampling, in the production process of the concrete segment, the common test molds in the market are used for being maintained under the same condition by a following assembly line after being manually prepared, the test block sampling in the segment production process completely depends on the manual work, the standard requirement can not be efficiently realized, the test mold bracket is convenient to use and operate, and the test mold bracket for the segment assembly line production sampling is provided for solving the problems.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to provide a test mold bracket for sampling in segment production line.
In order to achieve the purpose, the invention adopts the following technical scheme.
The utility model provides a examination mould bracket for section of jurisdiction streamlined production sample, includes the mould car, the vibrations frame is installed at the top of mould car, the section of jurisdiction mould is installed at the top of vibrations frame, vibrations shelf location has two girders, two the girder is located the front and the back of section of jurisdiction mould respectively, the spout has been seted up at the top of girder, the inboard sliding connection who goes up the spout has the universal shaft, the top fixedly connected with parallel beam of universal shaft, two the top swing joint of parallel beam has the steering column, the fixing clip is all installed with the top of parallel beam to the girder, the spacing card of mould that the top fixedly connected with equidistance of steering column was arranged.
As a further description of the above technical solution:
the utility model discloses a duct piece mould, including section of jurisdiction mould, vibrations frame, mounting bracket, bolt fixed mounting, vibrating motor, synchronous frame, girder, piece mould, the vibrations frame includes a plurality of elastic support column, the mounting bracket is installed at the top between the elastic support column, the section of jurisdiction mould passes through bolt fixed mounting in the top of mounting bracket, fixed mounting has vibrating motor on the mounting bracket, the top fixed mounting of mounting bracket has two synchronous frames, two the synchronous frame is located the front and the back of section of jurisdiction mould respectively, the top fixedly connected with slider of synchronous frame, the top and the girder sliding connection of slider.
As a further description of the above technical solution:
the utility model discloses a damping spring's mould car, including base pillar, elastic support column, base pillar, the inside sliding connection of base pillar has the fore-set, the top and the mounting bracket fixed connection of fore-set, damping spring has been cup jointed on the base pillar, the base pillar all with mould car fixed connection with damping spring's bottom, damping spring's top and mounting bracket fixed connection.
As a further description of the above technical solution:
the bottom fixedly connected with connecting block of cardan shaft, the bottom of connecting block extends to the inside of last spout, the bottom shape of connecting block is spherical, the bottom of connecting block and the inner wall contact of last spout.
As a further description of the above technical solution:
the synchronous frame comprises a bottom frame, the bottom frame is fixedly installed on the installation frame, the top frame is inserted into the bottom frame in a plugging mode, a positioning pin penetrates through the bottom frame, and one end, located inside the bottom frame, of the positioning pin is inserted into the top frame.
As a further description of the above technical solution:
the top of the top frame is provided with screw holes which are arranged at equal intervals, the sliding block is inserted with a screw rod, and the top frame are fixed through the threaded connection of the bottom of the screw rod and the screw holes.
As a further description of the above technical solution:
the slider includes the installation piece, threaded connection has the tray on the installation piece, the bottom of girder is provided with down the spout, the top of tray and the volume inner wall sliding connection of spout down.
As a further description of the above technical solution:
the slider includes the installation piece, threaded connection has the tray on the installation piece, the bottom of girder is provided with down the spout, the top of tray and the volume inner wall sliding connection of spout down.
Compared with the prior art, the invention has the advantages that:
the scheme has no similar tool on the existing market, and in the production process of the concrete segment, the segment can be efficiently sampled through the environment by using the sampling tool, the sampling process of the test block in the production process of the segment can be free from manual work, the sampling and maintenance of the test block with the same condition with the standard requirement can be efficiently realized, the purpose of sampling with the same condition with the standard requirement of 'precast concrete lining segment' GB/T22082-.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a side cross-sectional view of the slider and main beam connection of the present invention;
FIG. 3 is a schematic top view of the top frame of the present invention;
fig. 4 is a schematic view of the split structure of the parallel beam and the steering beam of the present invention.
The reference numbers in the figures illustrate:
1. turning a mould; 2. a segment mold; 3. a main beam; 4. an upper chute; 5. a cardan shaft; 51. connecting blocks; 6. a parallel beam; 7. a steering beam; 8. fixing the card; 9. a die limit clamp; 10. a vibration frame; 101. an elastomeric support column; 1011. a bottom pillar; 1012. a top pillar; 1013. a damping spring; 102. a mounting frame; 103. vibrating a motor; 104. a synchronous frame; 1041. a chassis; 1042. a top frame; 1043. positioning pins; 105. a slider; 1051. mounting blocks; 1052. a support block; 1053. positioning a rod; 11. a screw hole; 12. a screw.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention;
referring to fig. 1-4, the invention provides a test mold bracket for sampling in segment production line, which comprises a mold vehicle 1, wherein a vibration frame 10 is installed at the top of the mold vehicle 1, a segment mold 2 is installed at the top of the vibration frame 10, two main beams 3 are installed on the vibration frame 10, the two main beams 3 are respectively located on the front side and the back side of the segment mold 2, an upper chute 4 is formed at the top of each main beam 3, a universal shaft 5 is slidably connected to the inner side of the upper chute 4, a parallel beam 6 is fixedly connected to the top of the universal shaft 5, a steering beam 7 is movably connected to the tops of the two parallel beams 6, fixing clamps 8 are installed at the tops of the main beams 3 and the parallel beam 6, and mold limiting clamps 9 which are arranged at equal intervals are fixedly connected to the tops of the steering beam 7.
In the invention, the relative positions of the parallel beams 6 and the steering beams 7 and the segment mould 2 are adjusted by sliding the two main beams 3 on the vibrating frame 10, then the two parallel beams 6 and the steering beams 7 are rotated to extend to the top of the segment mould 2 to form two supports, then the bottom of the test mould is aligned with the mould limit clamps 9 on the steering beams 7 and butted, thereby the test mould is arranged on the top of the segment mould 2, when the interior of the segment mould 2 is poured, the concrete can be carried, the fixing effect can be achieved by the fixing clamps 8, then the vibrating frame 10 on the mould vehicle 1 is used for driving the vibration of the segment mould 2 to synchronously drive the vibration of the test mould, the defoaming is carried out to enable the concrete in the test mould to be compact, when the test mould is full, the subsequent concrete overflows, and simultaneously the sliding connection between the universal shafts 5 and the upper chute 4 between the main beams 3 and the parallel beams 6 can synchronously move the two parallel beams 6 through the test mould, the pouring opening of the duct piece mold 2 is moved out, so that the influence on duct piece production is reduced, similar tools are not arranged on the market, in the production process of the concrete duct piece, the duct piece can be efficiently sampled through the environment by using the sampling tool, the manual work can be omitted in the test block sampling process of the duct piece production process, the sampling and maintenance of the test blocks with the same conditions with the standard requirements can be efficiently realized, the purpose of sampling with the same conditions with the standard requirements of 'precast concrete lining duct piece' GB/T22082.
Please refer to fig. 1-3, wherein: shaking frame 10 includes a plurality of elastic support columns 101, mounting bracket 102 is installed at the top between elastic support columns 101, section of jurisdiction mould 2 passes through bolt fixed mounting in the top of mounting bracket 102, fixed mounting has shock dynamo 103 on the mounting bracket 102, the top fixed mounting of mounting bracket 102 has two step frames 104, two step frames 104 are located section of jurisdiction mould 2's front and back respectively, the top fixedly connected with slider 105 of step frame 104, slider 105's top and girder 3 sliding connection.
In the invention, the mounting frame 102 can be driven to vibrate integrally through the electrifying work of the vibration motor 103, the elastic support columns 101 are used for mounting the mounting frame 102 on the die trolley 1, the tube sheet die 2, the synchronous frame 104 and the main beams 3 on the sliding blocks 105 can be driven to vibrate by the vibration of the mounting frame 102, the synchronous vibration of the test dies is controlled, the sampling effect of the test dies can be improved, the sample blocks are ensured to be the same as the environmental raw materials for producing the tube sheets, and the purpose of sampling under the same condition is realized.
Please refer to fig. 1, in which: elastic support column 101 includes sill column 1011, and the inside sliding connection of sill column 1011 has a top column 1012, the top and the mounting bracket 102 fixed connection of top column 1012, has cup jointed damping spring 1013 on sill column 1011, and sill column 1011 and damping spring 1013's bottom all with mould car 1 fixed connection, damping spring 1013's top and mounting bracket 102 fixed connection.
In the invention, the mounting frame 102 and the die car 1 can be connected through the bottom column 1011 and the top column 1012, and then the mounting frame 102 and the die car 1 are supported and damped through the damping spring 1013, so that the influence of the mounting frame 102 on the die car 1 is reduced.
Please refer to fig. 1, 2 and 4, wherein: the bottom of cardan shaft 5 is fixedly connected with connecting block 51, and the bottom of connecting block 51 extends to the inside of upper chute 4, and the bottom shape of connecting block 51 is spherical, and the bottom of connecting block 51 and the inner wall contact of last spout 4.
According to the invention, the spherical connecting block 51 is convenient to rotate in the upper chute 4 and simultaneously slide, so that the parallel beam 6 arranged on the cardan shaft 5 can rotate while sliding, the use requirement of a user is met, the position of the parallel beam 6 is changed, the installation of a test mold and the installation position of the test mold are convenient to adjust, and the use of the user is convenient.
Please refer to fig. 1-3, wherein: the synchronous frame 104 includes a bottom frame 1041, the bottom frame 1041 is fixedly installed on the installation frame 102, the top frame 1042 is inserted into the bottom frame 1041, a positioning pin 1043 is inserted into the bottom frame 1041, and one end of the positioning pin 1043 located inside the bottom frame 1041 is inserted into the top frame 1042.
In the invention, the mounting frame 102 and the sliding block 105 are connected through the bottom frame 1041 and the top frame 1042, so that the distance between the mounting frame 102 and the main beam 3 is changed, the mounting height of the main beam 3 is controlled, the sampling requirements of segment molds 2 with different sizes are met, and the application range is wider.
Please refer to fig. 1-3, wherein: the top of the top frame 1042 is provided with screw holes 11 arranged at equal intervals, a screw 12 is inserted in the slide block 105, and the top frame 1042 are fixed through the bottom of the screw 12 and the screw holes 11 by screw connection.
In the invention, the mounting position of the sliding top frame 1042 can be adjusted by matching the screw 12 with the screw holes 11, so that the main beam 3 can be detached and replaced while the adjustment and use are convenient, the detachment and the installation of the main beam 3 are convenient, and the use is more convenient.
Please refer to fig. 1 and fig. 2, wherein: the slider 105 includes the installation piece 1051, and threaded connection has the tray 1052 on the installation piece 1051, and the bottom of girder 3 is provided with down the spout, the top of tray 1052 and the volume inner wall sliding connection of spout down.
In the invention, the height of the supporting block 1052 can be changed by rotating the supporting block 1052 through the mounting block 1051 and the supporting block 1052, so that the adjustment is carried out according to the bending arc of the main beam 3, the butt joint and the mounting of the main beam 3 and the supporting block 1052 are convenient, the synchronous frame 104 can be mounted with test mold brackets of various specifications, and the application range is wider.
Please refer to fig. 2, in which: a positioning rod 1053 is inserted between the mounting block 1051 and the holding block 1052, and the top of the positioning rod 1053 extends to the top of the holding block 1052.
In the invention, the positioning rod 1053 can limit the rotation of the screw thread between the mounting block 1051 and the support block 1052, thereby fixing the distance between the mounting block 1051 and the support block 1052 and improving the structural stability.
The working principle is as follows: the relative positions of the parallel beams 6 and the steering beams 7 and the segment mould 2 are adjusted by sliding the two main beams 3 on the vibration frame 10, then the two parallel beams 6 and the steering beams 7 are rotated to extend to the top of the segment mould 2 to form two supports, then the bottom of the test mould is aligned with the mould limit clamps 9 on the steering beams 7 and butted, so that the test mould is arranged at the top of the segment mould 2, when the interior of the segment mould 2 is poured, concrete can be received, the fixing effect can be achieved by the fixing clamps 8, then the vibration of the segment mould 2 is driven synchronously by the vibration frame 10 on the mould vehicle 1 to drive the vibration of the test mould, defoaming is carried out to enable the concrete in the test mould to be compact, when the test mould is full, the subsequent concrete overflows, and simultaneously, the sliding connection between the universal shafts 5 and the upper chute 4 between the main beams 3 and the parallel beams 6 can synchronously move the two parallel beams 6 through the upper chute, the pouring opening of the duct piece mold 2 is moved out, so that the influence on duct piece production is reduced, similar tools are not arranged on the market, in the production process of the concrete duct piece, the duct piece can be efficiently sampled through the environment by using the sampling tool, the manual work can be omitted in the test block sampling process of the duct piece production process, the sampling and maintenance of the test blocks with the same conditions with the standard requirements can be efficiently realized, the purpose of sampling with the same conditions with the standard requirements of 'precast concrete lining duct piece' GB/T22082.
The foregoing is only a preferred embodiment of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.
Claims (8)
1. The utility model provides a examination mould bracket for section of jurisdiction streamlined production sample, includes mould car (1), vibrations frame (10) are installed at the top of mould car (1), section of jurisdiction mould (2), its characterized in that are installed at the top of vibrations frame (10): install two girder (3) on vibrations frame (10), two girder (3) are located the front and the back of section of jurisdiction mould (2) respectively, spout (4) have been seted up at the top of girder (3), the inboard sliding connection who goes up spout (4) has universal shaft (5), the top fixedly connected with parallel beam (6) of universal shaft (5), two the top swing joint of parallel beam (6) has steering beam (7), fixing clip (8) are all installed with the top of parallel beam (6) in girder (3), the spacing card (9) of mould that the top fixedly connected with equidistance of steering beam (7) was arranged.
2. The mold testing bracket for sampling in the streamlined production of the tube sheet of claim 1, wherein: shake frame (10) and include a plurality of elastic support post (101), mounting bracket (102) are installed at the top between elastic support post (101), section of jurisdiction mould (2) are through bolt fixed mounting in the top of mounting bracket (102), fixed mounting has shock dynamo (103) on mounting bracket (102), the top fixed mounting of mounting bracket (102) has two synchronizing frame (104), two synchronizing frame (104) are located the front and the back of section of jurisdiction mould (2) respectively, the top fixedly connected with slider (105) of synchronizing frame (104), the top and girder (3) sliding connection of slider (105).
3. The mold testing bracket for sampling in the streamlined production of the tube sheet as claimed in claim 2, wherein: elastic support post (101) includes sill pillar (1011), the inside sliding connection of sill pillar (1011) has fore-set (1012), the top and mounting bracket (102) fixed connection of fore-set (1012), damping spring (1013) have been cup jointed on sill pillar (1011), sill pillar (1011) and damping spring (1013) the bottom all with mould car (1) fixed connection, damping spring (1013) the top and mounting bracket (102) fixed connection.
4. The mold testing bracket for sampling in the streamlined production of the tube sheet of claim 1, wherein: the bottom fixedly connected with connecting block (51) of cardan shaft (5), the bottom of connecting block (51) extends to the inside of supreme spout (4), the bottom shape of connecting block (51) is spherical, the bottom of connecting block (51) and the inner wall contact of last spout (4).
5. The mold testing bracket for sampling in the streamlined production of the tube sheet as claimed in claim 2, wherein: the synchronous frame (104) comprises an underframe (1041), the underframe (1041) is fixedly mounted on the mounting frame (102), a top frame (1042) is inserted into the underframe (1041), a positioning pin (1043) penetrates through the underframe (1041), and one end, located inside the underframe (1041), of the positioning pin (1043) is inserted into the top frame (1042).
6. The mold testing bracket for sampling in the streamlined production of the tube sheet as claimed in claim 5, wherein: the top of the top frame (1042) is provided with screw holes (11) which are arranged at equal intervals, a screw rod (12) is inserted into the sliding block (105), and the top frame (1042) are fixed through the threaded connection between the bottom of the screw rod (12) and the screw holes (11).
7. The mold testing bracket for sampling in the streamlined production of the tube sheet as claimed in claim 2, wherein: the slider (105) includes installation piece (1051), threaded connection has tray (1052) on installation piece (1051), the bottom of girder (3) is provided with down the spout, the top of tray (1052) and the forehead inner wall sliding connection of spout down.
8. The mold testing bracket for sampling in the streamlined production of tube sheets as claimed in claim 7, wherein: a positioning rod (1053) is inserted between the mounting block (1051) and the support block (1052), and the top of the positioning rod (1053) extends to the top of the support block (1052).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111158370.4A CN113752357A (en) | 2021-09-30 | 2021-09-30 | A examination mould bracket that is used for section of jurisdiction streamlined production to take a sample |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111158370.4A CN113752357A (en) | 2021-09-30 | 2021-09-30 | A examination mould bracket that is used for section of jurisdiction streamlined production to take a sample |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113752357A true CN113752357A (en) | 2021-12-07 |
Family
ID=78798532
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111158370.4A Pending CN113752357A (en) | 2021-09-30 | 2021-09-30 | A examination mould bracket that is used for section of jurisdiction streamlined production to take a sample |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113752357A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114454326A (en) * | 2022-02-28 | 2022-05-10 | 中铁建(无锡)工程科技发展有限公司 | Concrete member production line |
-
2021
- 2021-09-30 CN CN202111158370.4A patent/CN113752357A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114454326A (en) * | 2022-02-28 | 2022-05-10 | 中铁建(无锡)工程科技发展有限公司 | Concrete member production line |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN215920810U (en) | A examination mould bracket that is used for section of jurisdiction streamlined production to take a sample | |
| CN113752357A (en) | A examination mould bracket that is used for section of jurisdiction streamlined production to take a sample | |
| CN112388671A (en) | Mechanical arm with positioning function for robot and use method thereof | |
| CN209568361U (en) | A kind of supporting bracket of bridge construction | |
| CN110284906B (en) | Vibration device of tunnel lining vault | |
| CN116220335A (en) | Automatic positioning and fastening device for jacking of frame body | |
| CN106895760B (en) | A kind of testing agency of steering wheel air bag installation site | |
| CN112279148B (en) | Multifunctional aluminum template disassembling tool | |
| CN220183826U (en) | Novel template fastening device | |
| CN208219460U (en) | A kind of noise shielding environmental protection equipment | |
| CN220161880U (en) | Positioning and clamping device for machining automobile plates | |
| CN110778895A (en) | Mounting equipment for intelligent terminal convenient to dismantle fixedly | |
| CN220197620U (en) | Automatic overturning device for cylinder cover production | |
| CN212105032U (en) | Equipment maintenance sliding platform in limited space | |
| CN221457776U (en) | Template support for portal ring beam construction | |
| CN217201744U (en) | Groove steel formwork lifting appliance convenient to mount and dismount | |
| CN219138326U (en) | Automatic positioning and fastening device for jacking of frame body | |
| CN221922634U (en) | Support arrangement for metal roof boarding displacement detects with displacement video measuring apparatu | |
| CN204899939U (en) | Bent wall wherein partition wall formworking jumbo | |
| CN220580548U (en) | Building templates connecting device | |
| CN219451524U (en) | A die sinking ware for aluminium mould installation | |
| CN214816172U (en) | Railway vehicle headwall welding frock | |
| CN217690390U (en) | Wisdom parking stall guiding device | |
| CN216843850U (en) | Drawing measuring device for highway design | |
| CN221548834U (en) | Outer machine mounting bracket of air conditioner |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |