CN112461087A - Green foundry goods inner wall interval detection device - Google Patents
Green foundry goods inner wall interval detection device Download PDFInfo
- Publication number
- CN112461087A CN112461087A CN202011418831.2A CN202011418831A CN112461087A CN 112461087 A CN112461087 A CN 112461087A CN 202011418831 A CN202011418831 A CN 202011418831A CN 112461087 A CN112461087 A CN 112461087A
- Authority
- CN
- China
- Prior art keywords
- caliper
- block
- detection device
- green
- rule
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/14—Measuring arrangements characterised by the use of mechanical techniques for measuring distance or clearance between spaced objects or spaced apertures
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Abstract
本发明涉及绿色铸件技术领域，且公开了一种绿色铸件内壁间距检测装置，包括第一卡尺、钢丝绳、显示屏、第二卡尺和电动伸缩杆，所述第一卡尺的表面上方设置有防护壳，且防护壳的两侧均设置有第一固定板，同时第一固定板的一侧设置有伸缩弹簧，所述伸缩弹簧的一侧设置有拉伸杆，且拉伸杆的一侧设置有限位杆，所述限位杆的一侧设置有卡尺块，且卡尺块的一侧设置有第一卡块。本发明，拉动拉伸杆可以带动第一固定板，使伸缩弹簧进行回缩，将卡尺块放置防护壳内，再放开拉伸杆，使伸缩弹簧进行回弹，对卡尺块进行有效的固定，防止卡尺块的尖头锋利，使操作者的双手划伤，提高了该绿色铸件内壁间距检测装置的实用性。
The invention relates to the technical field of green castings, and discloses a green casting inner wall distance detection device, comprising a first caliper, a wire rope, a display screen, a second caliper and an electric telescopic rod, and a protective shell is provided above the surface of the first caliper , and both sides of the protective shell are provided with a first fixing plate, and one side of the first fixing plate is provided with a telescopic spring, one side of the telescopic spring is provided with a stretching rod, and one side of the stretching rod is limited A caliper block is provided on one side of the limit rod, and a first clamping block is provided on one side of the caliper block. In the present invention, pulling the stretch rod can drive the first fixing plate to retract the telescopic spring, place the caliper block in the protective shell, and then release the stretch rod, so that the telescopic spring can rebound, and the caliper block can be effectively fixed , preventing the sharp tip of the caliper block from scratching the operator's hands, and improving the practicability of the green casting inner wall distance detection device.
Description
Technical Field
The invention relates to the technical field of green castings, in particular to a device for detecting the distance between inner walls of the green castings.
Background
The casting is a metal molding object obtained by various casting methods, namely, smelted liquid metal is poured into a casting mold prepared in advance by pouring, injecting, sucking or other casting methods, and after the liquid metal is cooled and subjected to subsequent processing means such as grinding and the like, the object with certain shape, size and performance is obtained. People have long recognized that the casting cannot be acquired from the nature without control, so that the green, environment-friendly and sustainable development become the subject of the high-speed development of the modern society, which needs to follow and control themselves, and the green casting refers to the casting produced under the environment-friendly condition.
And current green foundry goods inner wall interval detection device when using, needs tensile pole of operator manual installation and expanding spring, makes the device have spacing effect, has increased operator's the use step to this look foundry goods inner wall interval detection device, improves the work degree of difficulty, has reduced operating personnel's work efficiency, can not satisfy user's demand.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a green casting inner wall distance detection device which has the limiting function, can effectively limit a caliper block, is convenient for more comprehensively limiting and the like, and solves the problems that an operator needs to manually install a stretching rod and a telescopic spring when the existing green casting inner wall distance detection device is used, so that the device has the limiting effect, the use steps of the operator on the color casting inner wall distance detection device are increased, the working difficulty is improved, the working efficiency of the operator is reduced, and the requirements of the user cannot be met.
(II) technical scheme
In order to realize the purpose that the storage tank has a limiting function, can effectively limit the caliper block, and is convenient for more comprehensively limiting, the invention provides the following technical scheme: a green casting inner wall interval detection device comprises a first caliper, a steel wire rope, a display screen, a second caliper and an electric telescopic rod, wherein a protective shell is arranged above the surface of the first caliper, first fixing plates are arranged on two sides of the protective shell, a telescopic spring is arranged on one side of the first fixing plate, a stretching rod is arranged on one side of the telescopic spring, a limiting rod is arranged on one side of the stretching rod, a caliper block is arranged on one side of the limiting rod, a first clamping block is arranged on one side of the caliper block, a first clamping groove is arranged on one side of the first clamping block, the steel wire rope is arranged on one side of the first caliper, a fixing bolt is arranged on one side of the steel wire rope, a pull ring is arranged on one side of the fixing bolt, the display screen is arranged on the surface above the first caliper, a rotating bolt is arranged on one side of the display screen, and a protective cover is arranged, the below of protective cover is provided with the metal casing, and the below of metal casing is provided with the second fixture block, and the below of second fixture block is provided with the second draw-in groove simultaneously, the second slide caliper rule sets up in one side of first slide caliper rule, and the both sides of second slide caliper rule all are provided with the sliding block, and one side of sliding block is provided with the sliding tray simultaneously, electric telescopic handle sets up in the inside of first slide caliper rule, and one side of electric telescopic handle is provided with the telescope tube, and one side of telescope tube is provided with the second fixed plate simultaneously.
Preferably, the protective shell, the telescopic spring and the caliper block form a telescopic structure, and the telescopic spring is symmetrically arranged on the central axis of the protective shell.
Preferably, the caliper block is connected with the first caliper in a clamping mode through a first clamping block, and the size of the first caliper block is smaller than that of the first caliper.
Preferably, the protective cover, the rotating bolt and the display screen form a rotating structure, and the size of the protective cover is matched with the size of the display screen.
Preferably, the metal housing is connected with the first caliper in a clamping mode through a second clamping block, and the thickness of the metal housing is larger than that of the first caliper.
Preferably, the second caliper, the sliding block and the first caliper form a sliding structure, and the thickness of the second caliper is smaller than that of the first caliper.
Preferably, electric telescopic handle, telescopic sleeve and second slide caliper rule constitute extending structure, and electric telescopic handle and second slide caliper rule are vertical distribution.
(III) advantageous effects
Compared with the prior art, the invention provides a device for detecting the distance between the inner walls of green castings, which has the following beneficial effects:
1. this green foundry goods inner wall interval detection device, the tensile pole of pulling can drive first fixed plate, makes expanding spring return and contracts, places the protecting crust with the slide caliper rule piece in, opens tensile pole again, makes expanding spring kick-back, carries out effectual fixed to the slide caliper rule piece, prevents that the tip of slide caliper rule piece is sharp, makes operator's both hands fish tail, has improved this green foundry goods inner wall interval detection device's practicality.
2. This green foundry goods inner wall interval detection device, fixing bolt is twisted to clockwise rotation, fix wire rope, then the pulling ring, when using this green foundry goods inner wall interval detection device to carry out the interval measurement, can play effectual block fixed to first slide caliper rule, slide when preventing to measure, after long-time use, also can dismantle the change to the slide caliper rule piece when this green foundry goods inner wall interval detection device, prevent the front end wearing and tearing, make measured data inaccurate.
3. This green foundry goods inner wall interval detection device carries out sliding connection with the sliding block on the second slide caliper rule through the sliding tray on the first slide caliper rule, makes first slide caliper rule can the increase of service life, and the length is not enough during preventing to measure, and the second slide caliper rule can be through the mutually supporting of telescope tube and electric telescopic handle simultaneously, and when needing to use, electric telescopic handle can promote the second slide caliper rule and extend, when need not using, can retract automatically.
Drawings
FIG. 1 is a schematic front sectional view of the present invention;
FIG. 2 is a connection diagram of a first caliper and a second caliper according to the present invention;
FIG. 3 is a view of the connection between the rotary sliding block and the sliding groove according to the present invention;
fig. 4 is an enlarged schematic view of a portion a in fig. 1.
In the figure: 1. a first caliper; 2. a protective shell; 3. a first fixing plate; 4. a tension spring; 5. a stretch rod; 6. a limiting rod; 7. a caliper block; 8. a first clamping block; 9. a first card slot; 10. a wire rope; 11. fixing the bolt; 12. a pull ring; 13. a display screen; 14. rotating the bolt; 15. a protective cover; 16. a metal housing; 17. a second fixture block; 18. a second card slot; 19. a second caliper; 20. a slider; 21. a sliding groove; 22. an electric telescopic rod; 23. a telescopic sleeve; 24. and a second fixing plate.
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. 1-4, a green casting inner wall distance detection device includes a first caliper 1, a steel wire rope 10, a display 13, a second caliper 19 and an electric telescopic rod 22, a protective shell 2 is disposed above the surface of the first caliper 1, first fixing plates 3 are disposed on both sides of the protective shell 2, a telescopic spring 4 is disposed on one side of the first fixing plate 3, a stretching rod 5 is disposed on one side of the telescopic spring 4, a limit rod 6 is disposed on one side of the stretching rod 5, a caliper block 7 is disposed on one side of the limit rod 6, a first clamping block 8 is disposed on one side of the caliper block 7, a first clamping groove 9 is disposed on one side of the first clamping block 8, the steel wire rope 10 is disposed on one side of the first caliper 1, a fixing bolt 11 is disposed on one side of the steel wire rope 10, a pull ring 12 is disposed on one side of the fixing bolt 11, the display 13 is disposed on the upper surface of the first caliper, and one side of display screen 13 is provided with rotation bolt 14, the top of rotation bolt 14 is provided with protective cover 15 simultaneously, the below of protective cover 15 is provided with metal housing 16, and the below of metal housing 16 is provided with second fixture block 17, the below of second fixture block 17 is provided with second draw-in groove 18 simultaneously, second slide caliper 19 sets up the one side at first slide caliper 1, and the both sides of second slide caliper 19 all are provided with sliding block 20, one side of sliding block 20 is provided with sliding tray 21 simultaneously, electric telescopic handle 22 sets up the inside at first slide caliper 1, and one side of electric telescopic handle 22 is provided with telescope tube 23, one side of telescope tube 23 is provided with second fixed plate 24 simultaneously.
Further, protecting crust 2, expanding spring 4 and slide caliper rule piece 7 constitute extending structure, and expanding spring 4 sets up with the axis symmetry of protecting crust 2, the tensile pole 5 of pulling can drive first fixed plate 3, make expanding spring 4 return and contract, place protecting crust 2 with slide caliper rule piece 7 in, put open tensile pole 5 again, make expanding spring 4 kick-back, carry out effectual fixed to slide caliper rule piece 7, prevent that the tip of slide caliper rule piece 7 is sharp, make operator's both hands fish tail, the practicality that has improved this green foundry goods inner wall interval detection device.
Further, callipers piece 7 is connected with first callipers 1 block through first fixture block 8, and the size of first callipers piece 7 is less than first callipers 1's size, and after this green foundry goods inner wall interval detection device used for a long time, also can dismantle the change to callipers piece 7, prevents that the front end from wearing and tearing, makes measured data inaccurate, improves this green foundry goods inner wall interval detection device's rate of utilization.
Further, protective cover 15, swivel bolt 14 constitute revolution mechanic with display screen 13, and protective cover 15's size is identical with display screen 13's size, and protective cover 15 can play effectual guard action to display screen 13, prevents that display screen 13 from receiving external gravity factor to lead to the screen to damage, leads to unable measured data reading, improves this green foundry goods inner wall interval detection device's the rate of utilization in practice.
Further, the metal housing 16 is connected with the first caliper rule 1 through the second fixture block 17 in a clamping mode, the thickness of the metal housing 16 is larger than that of the first caliper rule 1, the second fixture block 17 on the metal housing 16 and the second clamping groove 18 on the first caliper rule 1 can be detached and separated, the electric quantity of an internal battery is prevented from being exhausted, the internal battery is replaced, and the practicability of the green casting inner wall interval detection device is improved.
Further, second slide caliper rule 19, sliding block 20 and first slide caliper rule 1 constitute sliding structure, and the thickness of second slide caliper rule 19 is less than the thickness of first slide caliper rule 1, carries out sliding connection with sliding block 20 on the second slide caliper rule 19 through the sliding tray 21 on the first slide caliper rule 1, makes first slide caliper rule 1 can the increase of service, and the length is not enough during preventing to measure, improves this green foundry goods inner wall interval detection device's result of use.
Further, electric telescopic handle 22, telescopic sleeve 23 and second slide caliper rule 19 constitute extending structure, and electric telescopic handle 22 and second slide caliper rule 19 are the vertical distribution, and second slide caliper rule 19 can be through mutually supporting of telescopic sleeve 23 and electric telescopic handle 22, and when needing to use, electric telescopic handle 22 can promote second slide caliper rule 19 and extend, when not needing to use, can contract automatically, improves this green foundry goods inner wall interval detection device's practicality.
The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.
When the device is used, an external power supply is firstly switched on, the stretching rod 5 can be pulled to drive the first fixing plate 3, the telescopic spring 4 is enabled to retract, the caliper block 7 is placed in the protective shell 2, the stretching rod 5 is then released, the telescopic spring 4 is enabled to rebound, the caliper block 7 is effectively fixed, the sharp tip of the caliper block 7 is prevented from being sharp, an operator can scratch by hands, then the fixing bolt 11 is screwed clockwise to fix the steel wire rope 10, then the pull ring 12 is pulled, when the green casting inner wall interval detection device is used for interval measurement, the first caliper 1 can be effectively clamped and fixed to prevent sliding during measurement, after the green casting inner wall interval detection device is used for a long time, the caliper block 7 can be detached and replaced to prevent front end abrasion, measurement data is inaccurate, and the protective cover 15 is rotationally connected with the display screen 13 through the rotating bolt 14, protecting the surface of the display screen 13 to prevent the display screen 13 from being damaged by external gravity factors and further being unusable, then separating the second clamping groove 18 on the metal casing 16 from the second clamping block 17 on the first caliper 1, replacing the internal battery to prevent the display screen 13 from being unreadable to read the measurement data, then connecting the second clamping block 17 on the second caliper 19 with the second clamping groove 18 on the first caliper 1 in a clamping manner to prevent the use time from being too long and the front end of the caliper block 7 from being seriously worn, thereby affecting the measurement accuracy, finally, slidably connecting the sliding block 20 on the second caliper 19 through the sliding groove 21 on the first caliper 1 to prolong the use of the first caliper 1, and prevent the length of the measurement time from being insufficient, meanwhile, the second caliper 19 can be mutually matched with the electric telescopic rod 23 and the electric telescopic rod 22, when the telescopic rod 22 can push the second caliper 19 to extend, when the device is not needed to be used, the device can automatically retract, wherein the model of the display screen 13 is CVS43HD, and the model of the electric telescopic rod 22 is wxtg, so that the use process of the device for detecting the distance between the inner walls of the green castings is completed.
To sum up, this green foundry goods inner wall interval detection device, protective cover 15 can play effectual guard action to display screen 13, prevent that display screen 13 from receiving external gravity factor and leading to the screen to damage, lead to unable measured data to read, improve this green foundry goods inner wall interval detection device's the rate of utilization, and the separation is dismantled with second draw-in groove 18 on the first slide caliper rule 1 to second fixture block 17 on the metal casing 16, prevent that the internal battery electric quantity from exhausting, change it, improve this green foundry goods inner wall interval detection device's practicality.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a green foundry goods inner wall interval detection device, includes first slide caliper rule (1), wire rope (10), display screen (13), second slide caliper rule (19) and electric telescopic handle (22), its characterized in that: a protective shell (2) is arranged above the surface of the first caliper (1), first fixing plates (3) are arranged on two sides of the protective shell (2), a telescopic spring (4) is arranged on one side of the first fixing plate (3), a stretching rod (5) is arranged on one side of the telescopic spring (4), a limiting rod (6) is arranged on one side of the stretching rod (5), a caliper block (7) is arranged on one side of the limiting rod (6), a first clamping block (8) is arranged on one side of the caliper block (7), a first clamping groove (9) is arranged on one side of the first clamping block (8), a steel wire rope (10) is arranged on one side of the first caliper (1), a fixing bolt (11) is arranged on one side of the steel wire rope (10), a pull ring (12) is arranged on one side of the fixing bolt (11), and a display screen (13) is arranged on the surface above the first caliper (1), and one side of display screen (13) is provided with rotation bolt (14), and the top of rotation bolt (14) is provided with protective cover (15) simultaneously, the below of protective cover (15) is provided with metallic housing (16), and the below of metallic housing (16) is provided with second fixture block (17), and the below of second fixture block (17) is provided with second draw-in groove (18) simultaneously, second slide caliper rule (19) set up in one side of first slide caliper rule (1), and the both sides of second slide caliper rule (19) all are provided with sliding block (20), and one side of sliding block (20) is provided with sliding tray (21) simultaneously, electric telescopic handle (22) set up in the inside of first slide caliper rule (1), and one side of electric telescopic handle (22) is provided with telescope tube (23), and one side of telescope tube (23) is provided with second fixed plate (24) simultaneously.
2. The green casting inner wall space detection device according to claim 1, characterized in that: the protective shell (2), the telescopic spring (4) and the caliper block (7) form a telescopic structure, and the telescopic spring (4) is symmetrically arranged around the central axis of the protective shell (2).
3. The green casting inner wall space detection device according to claim 1, characterized in that: the caliper block (7) is connected with the first caliper (1) in a clamping mode through the first clamping block (8), and the size of the first caliper block (7) is smaller than that of the first caliper (1).
4. The green casting inner wall space detection device according to claim 1, characterized in that: protective cover (15), swivel bolt (14) constitute revolution mechanic with display screen (13), and the size of protective cover (15) is identical with the size of display screen (13).
5. The green casting inner wall space detection device according to claim 1, characterized in that: the metal housing (16) is connected with the first caliper (1) in a clamping mode through a second clamping block (17), and the thickness of the metal housing (16) is larger than that of the first caliper (1).
6. The green casting inner wall space detection device according to claim 1, characterized in that: the second caliper (19), the sliding block (20) and the first caliper (1) form a sliding structure, and the thickness of the second caliper (19) is smaller than that of the first caliper (1).
7. The green casting inner wall space detection device according to claim 1, characterized in that: electric telescopic handle (22), telescopic sleeve (23) and second slide caliper rule (19) constitute extending structure, and electric telescopic handle (22) and second slide caliper rule (19) are the vertical distribution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011418831.2A CN112461087A (en) | 2020-12-07 | 2020-12-07 | Green foundry goods inner wall interval detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011418831.2A CN112461087A (en) | 2020-12-07 | 2020-12-07 | Green foundry goods inner wall interval detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112461087A true CN112461087A (en) | 2021-03-09 |
Family
ID=74801600
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011418831.2A Pending CN112461087A (en) | 2020-12-07 | 2020-12-07 | Green foundry goods inner wall interval detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112461087A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11325803A (en) * | 1998-05-07 | 1999-11-26 | Nippon Koei Co Ltd | Apparatus and method for measuring three-dimensional change of crack |
| DE102016226059A1 (en) * | 2015-12-23 | 2017-06-29 | Freni Brembo S.P.A. | Disc brake caliper with an anti-knock spring |
| CN209166253U (en) * | 2018-12-30 | 2019-07-26 | 苏州爱科德精密仪器有限公司 | A kind of thickness of pipe wall digital display calliper based on wireless data transmission |
| CN210374843U (en) * | 2019-10-23 | 2020-04-21 | 无锡市斯达工量具有限公司 | Digital display caliper with strong protection performance |
| CN211101401U (en) * | 2019-12-27 | 2020-07-28 | 江西洲际机械制造有限公司 | Casting sand mixer based on green production |
| CN213748208U (en) * | 2020-12-07 | 2021-07-20 | 江西洲际机械制造有限公司 | Green foundry goods inner wall interval detection device |
-
2020
- 2020-12-07 CN CN202011418831.2A patent/CN112461087A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11325803A (en) * | 1998-05-07 | 1999-11-26 | Nippon Koei Co Ltd | Apparatus and method for measuring three-dimensional change of crack |
| DE102016226059A1 (en) * | 2015-12-23 | 2017-06-29 | Freni Brembo S.P.A. | Disc brake caliper with an anti-knock spring |
| CN209166253U (en) * | 2018-12-30 | 2019-07-26 | 苏州爱科德精密仪器有限公司 | A kind of thickness of pipe wall digital display calliper based on wireless data transmission |
| CN210374843U (en) * | 2019-10-23 | 2020-04-21 | 无锡市斯达工量具有限公司 | Digital display caliper with strong protection performance |
| CN211101401U (en) * | 2019-12-27 | 2020-07-28 | 江西洲际机械制造有限公司 | Casting sand mixer based on green production |
| CN213748208U (en) * | 2020-12-07 | 2021-07-20 | 江西洲际机械制造有限公司 | Green foundry goods inner wall interval detection device |
Non-Patent Citations (1)
| Title |
|---|
| 丁鹏飞;耿乾坤;张巍;王琪;: "一种铸件内壁间距测量装置", 科技创新与应用, no. 17, 7 June 2020 (2020-06-07) * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN213748208U (en) | Green foundry goods inner wall interval detection device | |
| CN112461087A (en) | Green foundry goods inner wall interval detection device | |
| CN217210303U (en) | A new type of pouring resistance heating crucible furnace | |
| CN201883761U (en) | Indoor standardized guard fence for transformer substation | |
| CN110844771A (en) | Crane is with lifting hook of being convenient for change | |
| CN209103463U (en) | A fixed and stable anti-theft alarm device | |
| CN216807672U (en) | Building lightning protection detection test line storage device | |
| CN213516334U (en) | A quality detection device for gear processing | |
| CN213744086U (en) | Green foundry goods workshop ventilation fan | |
| CN219876385U (en) | Ammeter concentrator device | |
| CN210898082U (en) | Building electrical cabinet convenient to overhaul | |
| CN213902122U (en) | A portable manual winding measuring device | |
| CN212646792U (en) | Current tester for detecting watch movement | |
| CN219202422U (en) | Water and electricity all-purpose card water and electricity meter that accuracy is high | |
| CN219954723U (en) | A self-balancing laser line projector with an anti-fall structure | |
| CN219368935U (en) | A wind power generation conductive rail detection equipment | |
| CN213516710U (en) | Coated glass hardness detection device | |
| CN212533745U (en) | Protector is used in bridge construction | |
| CN222424290U (en) | An industrial automatic control monitoring instrument | |
| CN210541627U (en) | Traditional chinese medical science department of neurology finder | |
| CN223389099U (en) | Reinforcing bar protective layer thickness detection device | |
| CN219544521U (en) | A charging pile cabinet that can be used centrally | |
| CN213813771U (en) | A kind of insulation resistance measuring instrument for easy maintenance | |
| CN213661062U (en) | Distance measuring device for cable construction | |
| CN212570606U (en) | Transformer with rapid cooling structure |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210309 |
|
| RJ01 | Rejection of invention patent application after publication |