CN112945707B - Tension detection device for spring production - Google Patents
Tension detection device for spring production Download PDFInfo
- Publication number
- CN112945707B CN112945707B CN202110462524.2A CN202110462524A CN112945707B CN 112945707 B CN112945707 B CN 112945707B CN 202110462524 A CN202110462524 A CN 202110462524A CN 112945707 B CN112945707 B CN 112945707B
- Authority
- CN
- China
- Prior art keywords
- shell
- support arm
- movable support
- spring
- screw rod
- 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.)
- Active
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 23
- 238000001514 detection method Methods 0.000 title claims abstract description 21
- 230000007246 mechanism Effects 0.000 claims abstract description 25
- 230000006835 compression Effects 0.000 claims description 7
- 238000007906 compression Methods 0.000 claims description 7
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000013013 elastic material Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M5/00—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings
- G01M5/0041—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings by determining deflection or stress
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/04—Chucks
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The invention provides a tension detection device for spring production, which comprises a first shell, a spring, a driving screw rod, a sliding rod, a movable support arm, a fixed support arm and two clamping mechanisms, wherein the driving screw rod is rotatably arranged in the first shell, one end of the driving screw rod extends out of the first shell, a threaded rod of the movable support arm is arranged on the driving screw rod, the top of the movable support arm extends out of the first shell, the sliding rod is fixedly arranged in the first shell, the sliding rod is in sliding connection with the movable support arm, the fixed support arm is fixedly arranged at the top of the first shell, and one clamping mechanism is respectively arranged on the movable support arm and the fixed support arm. The tension detection device for spring production has the advantages of high safety of a fixing mode, high detection efficiency and convenience in adjustment and fixation according to the size and the diameter of the spring.
Description
Technical Field
The invention relates to the technical field of spring detection, in particular to a tension detection device for spring production.
Background
A spring is a mechanical part that works with elasticity. Parts made of elastic materials deform under the action of external force, and recover after the external force is removed. The spring is usually subjected to tension detection when leaving the factory, and the spring is generally fixed and then detected by using a tension detection device for spring production.
However, the traditional tension force detection device for spring production is poor in safety in a fixing mode in the use process, low in detection efficiency and inconvenient to adjust and fix according to the size and the diameter of the spring.
Therefore, there is a need to provide a new tension detecting apparatus for spring production that solves the above-mentioned technical problems.
Disclosure of Invention
The invention solves the technical problem of providing the tension detection device for spring production, which has the advantages of high safety of a fixing mode, high detection efficiency and convenience in adjustment and fixation according to the size and the diameter of a spring.
In order to solve the technical problems, the tension detection device for spring production provided by the invention comprises a first shell, a spring, a driving screw rod, a sliding rod, a movable support arm, a fixed support arm and two clamping mechanisms, wherein the driving screw rod is rotatably arranged in the first shell, one end of the driving screw rod extends out of the first shell, a threaded rod of the movable support arm is arranged on the driving screw rod, the top of the movable support arm extends out of the first shell, the sliding rod is fixedly arranged in the first shell, the sliding rod is in sliding connection with the movable support arm, and the fixed support arm is fixedly arranged at the top of the first shell;
the movable support arm and the fixed support arm are respectively provided with the clamping mechanism.
Preferably, the supporting block is fixedly arranged on the movable support arm, and the force measuring device is fixedly arranged on the fixed support arm; the two clamping mechanisms are respectively arranged on the supporting block and the force measuring device, each clamping mechanism comprises a second shell and a cover plate, the second shell of one clamping mechanism is rotatably arranged on the supporting block, the second shell of the other clamping mechanism is fixedly arranged on the force measuring device, and the cover plates are movably arranged on the second shells;
The driving screw rod drives the movable support arm to move on the sliding rod, and the extending direction of the spring is the same as the moving direction of the movable support arm.
Preferably, the tension value of the spring is displayed on the force measuring device in real time.
Preferably, a first through hole is formed in the inner wall of the top of the first shell, and the movable support arm is slidably connected with the inner wall of the first through hole.
Preferably, the two clamping mechanisms further comprise limiting rods, the limiting rods are symmetrically and fixedly arranged in the second shell, the two limiting rods are slidably provided with the same assembly block, the second shell is rotatably provided with a fixed screw rod, and the fixed screw rod is in threaded connection with the assembly block.
Preferably, a worm wheel is fixedly sleeved on the fixed screw rod, a worm is rotatably installed in the second shell, and the worm wheel is meshed with the worm.
Preferably, two positioning columns are symmetrically and slidably mounted on the assembly block, two positioning rods are fixedly mounted on the positioning columns, two convex blocks are symmetrically and fixedly mounted on the inner wall of the second shell, the two positioning rods are movably connected with the corresponding two convex blocks, one end of each positioning column extends out of the second shell and is movably connected with the cover plate, a guide column is fixedly mounted on the second shell, and one end of each guide column extends out of the cover plate.
Preferably, the assembly block is provided with a thread groove, and the fixed screw rod is in threaded connection with the inner wall of the thread groove.
Preferably, the cover plate is provided with an arc-shaped through hole and a second through hole respectively.
Preferably, two sliding grooves are symmetrically formed in the assembly block, pull rods are fixedly installed in the two sliding grooves, the positioning columns are in sliding connection with the pull rods, compression springs are sleeved on the pull rods in a sliding mode, and two ends of each compression spring are fixedly connected with the positioning columns and the inner walls of the sliding grooves respectively.
Preferably, two positioning holes are symmetrically formed in the cover plate, and the positioning columns are movably connected with the inner walls of the corresponding positioning holes.
Compared with the related art, the tension detection device for spring production has the following beneficial effects:
The invention provides a tension detection device for spring production, wherein a driving screw rod is rotatably arranged in a first shell, one end of the driving screw rod extends out of the first shell, a movable support arm threaded rod is arranged on the driving screw rod, the top of the movable support arm extends out of the first shell, the movable support arm can conveniently move, a spring can be stretched, a force measuring device is fixedly arranged on a fixed support arm, the tensile force value of the stretched spring can be detected, and two clamping mechanisms are respectively arranged on a supporting block and the force measuring device.
Drawings
FIG. 1 is a schematic diagram of a tension detecting apparatus for spring production according to a preferred embodiment of the present invention;
FIG. 2 is a schematic view of a clamping mechanism according to the present invention;
fig. 3 is a perspective view of a cover plate in the present invention.
Reference numerals in the drawings: 1. a first housing; 2. driving a screw rod; 3. a movable support arm; 4. a slide bar; 5. a support block; 6. fixing the support arm; 7. a force measuring device; 8. a clamping mechanism; 801. a second housing; 802. a cover plate; 803. a limit rod; 804. a mounting block; 805. fixing a screw rod; 806. a worm wheel; 807. a worm; 808. positioning columns; 809. a positioning rod; 810. a bump; 811. and a guide post.
Detailed Description
The invention will be further described with reference to the drawings and embodiments.
Referring to fig. 1, fig. 2 and fig. 3 in combination, fig. 1 is a schematic structural diagram of a tension detecting apparatus for spring production according to a preferred embodiment of the present invention; FIG. 2 is a schematic view of a clamping mechanism according to the present invention; fig. 3 is a perspective view of a cover plate in the present invention. A pulling force detection device for spring production includes: a first housing 1; the driving screw rod 2 is rotatably arranged in the first shell 1, and one end of the driving screw rod 2 extends out of the first shell 1; a movable support arm 3, wherein a threaded rod of the movable support arm 3 is arranged on the driving screw rod 2, and the top of the movable support arm 3 extends out of the first shell 1; the sliding rod 4 is fixedly arranged in the first shell 1, and the sliding rod 4 is in sliding connection with the movable support arm 3; the support block 5 is fixedly arranged on the movable support arm 3; a fixed support arm 6, wherein the fixed support arm 6 is fixedly arranged at the top of the first shell 1; the force measuring device 7 is fixedly arranged on the fixed support arm 6; the two clamping mechanisms 8, the two clamping mechanisms 8 are respectively arranged on the supporting block 5 and the force measuring device 7, the clamping mechanisms 8 comprise a second shell 801 and a cover plate 802, one second shell 801 is rotatably arranged on the supporting block 5, the other second shell 801 is fixedly arranged on the force measuring device 7, and the cover plate 802 is movably arranged on the second shell 801.
The inner wall of the top of the first shell 1 is provided with a first through hole, and the movable support arm 3 is in sliding connection with the inner wall of the first through hole.
The two clamping mechanisms 8 further comprise a limiting rod 803, the limiting rod 803 is symmetrically and fixedly arranged in the second shell 801, the two limiting rods 803 are slidably provided with the same assembly block 804, the second shell 801 is rotatably provided with a fixed screw rod 805, the fixed screw rod 805 is in threaded connection with the assembly block 804, a worm wheel 806 is fixedly sleeved on the fixed screw rod 805, the second shell 801 is rotatably provided with a worm 807, the worm wheel 806 is meshed with the worm 807, the assembly block 804 is symmetrically and slidably provided with two positioning columns 808, the two positioning columns 808 are fixedly provided with positioning rods 809, the inner wall of the second shell 801 is symmetrically and fixedly provided with two protruding blocks 810, the two positioning rods 809 are movably connected with the corresponding two protruding blocks 810, one end of each positioning column 808 extends out of the second shell 801 and is movably connected with the cover plate 802, the second shell 801 is fixedly provided with a guide column 811, and one end of each guide column 811 extends out of the cover plate 802.
The assembly block 804 is provided with a thread groove, and the fixed screw 805 is in threaded connection with the inner wall of the thread groove.
The cover plate 802 is provided with an arc-shaped through hole and a second through hole.
Two sliding grooves are symmetrically formed in the assembly block 804, pull rods are fixedly installed in the two sliding grooves, the positioning column 808 is in sliding connection with the pull rods, compression springs are sleeved on the pull rods in a sliding mode, and two ends of each compression spring are fixedly connected with the positioning column 808 and the inner walls of the sliding grooves respectively.
Two positioning holes are symmetrically formed in the cover plate 802, and the positioning posts 808 are movably connected with the inner walls of the corresponding positioning holes.
The working principle of the tension detection device for spring production provided by the invention is as follows:
when the spring is installed, firstly, circular rings at two ends of the spring are respectively placed in the arc-shaped through holes of the corresponding cover plate 802, the spring is clamped into the second through holes, the guide posts 811 penetrate through the circular rings at two ends of the spring, the inner wall of the cover plate 802 is abutted with the second shell 801, the positioning posts 808 are clamped into the corresponding positioning holes under the action of the compression spring, the worm 807 is rotated to drive the worm wheel 806, the worm wheel 806 drives the fixed screw 805 to rotate, the fixed screw 805 drives the assembly blocks 804 to slide on the two limiting rods 803, meanwhile, the assembly blocks 804 drive the positioning posts 808 to move, the positioning posts 808 drive the cover plate 802 to clamp and fix the spring placed between the cover plate 802 and the second shell 801, the size of the spring to be detected can be conveniently adjusted, the worm 807 is rotated to drive the assembly blocks 804 to move, the assembly blocks 808 drive the positioning posts 808 to move, the positioning posts 809 can be extruded and the corresponding projections 810 to slide, and the positioning posts 808 can be separated from the corresponding positioning holes to be conveniently removed after the spring is detected.
When detecting the spring, fix the spring that needs to detect on two fixture 8, twist the drive lead screw 2 and drive movable support arm 3 and move on slide bar 4, can make the spring stretched, the dynamometer 7 can detect the real-time pulling force of spring simultaneously, simple structure is convenient for operate.
Compared with the related art, the tension detection device for spring production has the following beneficial effects:
The invention provides a tension detection device for spring production, wherein a driving screw rod 2 is rotatably arranged in a first shell 1, one end of the driving screw rod 2 extends out of the first shell 1, a threaded rod of a movable support arm 3 is arranged on the driving screw rod 2, the top of the movable support arm 3 extends out of the first shell 1, so that the movable support arm 3 can conveniently move, the spring can be stretched, a force measuring device 7 is fixedly arranged on a fixed support arm 6, the tensile force value of the stretched spring can be detected, and two clamping mechanisms 8 are respectively arranged on a supporting block 5 and the force measuring device 7.
The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present invention.
Claims (5)
1. The tension detection device for spring production is characterized by comprising a first shell, a spring, a driving screw rod, a sliding rod, a movable support arm, a fixed support arm and two clamping mechanisms, wherein the driving screw rod is rotatably installed in the first shell, one end of the driving screw rod extends out of the first shell, a threaded rod of the movable support arm is arranged on the driving screw rod, the top of the movable support arm extends out of the first shell, the sliding rod is fixedly installed in the first shell, the sliding rod is in sliding connection with the movable support arm, and the fixed support arm is fixedly installed at the top of the first shell; the movable support arm and the fixed support arm are respectively provided with the clamping mechanism, the movable support arm is fixedly provided with a supporting block, and the fixed support arm is fixedly provided with a force measuring device; the two clamping mechanisms are respectively arranged on the supporting block and the force measuring device, each clamping mechanism comprises a second shell and a cover plate, the second shell of one clamping mechanism is rotatably arranged on the supporting block, the second shell of the other clamping mechanism is fixedly arranged on the force measuring device, and the cover plates are movably arranged on the second shells; the driving screw rod drives the movable support arm to move on the sliding rod, the extending direction of the spring is the same as the moving direction of the movable support arm, the tension value of the spring is displayed on the force measuring device in real time, a first through hole is formed in the inner wall of the top of the first shell, and the movable support arm is in sliding connection with the inner wall of the first through hole; the two clamping mechanisms further comprise limiting rods, the limiting rods are symmetrically and fixedly arranged in the second shell, the two limiting rods are slidably provided with the same assembly block, the second shell is rotatably provided with a fixed screw rod, the fixed screw rod is in threaded connection with the assembly block, a worm wheel is fixedly sleeved on the fixed screw rod, the second shell is rotatably provided with a worm, and the worm wheel is meshed with the worm; two locating columns are symmetrically and slidably mounted on the assembly block, locating rods are fixedly mounted on the two locating columns, two protruding blocks are symmetrically and fixedly mounted on the inner wall of the second shell, the two locating rods are movably connected with the corresponding two protruding blocks, one end of each locating column extends out of the second shell and is movably connected with the cover plate, a guide column is fixedly mounted on the second shell, and one end of each guide column extends out of the cover plate.
2. The tension detecting device for spring production according to claim 1, wherein the assembly block is provided with a thread groove, and the fixing screw is in threaded connection with the inner wall of the thread groove.
3. The tension detecting apparatus for spring production according to claim 1, wherein the cover plate is provided with an arc-shaped through hole and a second through hole, respectively.
4. The tension detecting device for spring production according to claim 1, wherein two sliding grooves are symmetrically formed in the assembly block, pull rods are fixedly installed in the two sliding grooves, the positioning columns are in sliding connection with the pull rods, compression springs are sleeved on the pull rods in a sliding mode, and two ends of each compression spring are fixedly connected with the positioning columns and the inner walls of the sliding grooves respectively.
5. The tension detecting device for spring production according to claim 1, wherein two positioning holes are symmetrically formed in the cover plate, and the positioning columns are movably connected with the inner walls of the corresponding positioning holes.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010822434.5A CN111751204A (en) | 2020-08-17 | 2020-08-17 | Spring tension detection device |
| CN2020108224345 | 2020-08-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112945707A CN112945707A (en) | 2021-06-11 |
| CN112945707B true CN112945707B (en) | 2024-06-11 |
Family
ID=72713459
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010822434.5A Pending CN111751204A (en) | 2020-08-17 | 2020-08-17 | Spring tension detection device |
| CN202110462524.2A Active CN112945707B (en) | 2020-08-17 | 2021-04-27 | Tension detection device for spring production |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010822434.5A Pending CN111751204A (en) | 2020-08-17 | 2020-08-17 | Spring tension detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN111751204A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112577815B (en) * | 2020-12-28 | 2022-09-06 | 江苏三阳建设工程检测有限公司 | Asphalt waterproof coiled material tearing performance detection method |
| CN117782825B (en) * | 2024-02-27 | 2024-05-17 | 青岛张氏上佳科技有限公司 | Damping spring's resistance to compression check out test set |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR19980027514U (en) * | 1996-11-16 | 1998-08-05 | 양재신 | Mounting Jig for Spring Test |
| CN103376192A (en) * | 2012-04-19 | 2013-10-30 | 鸿富锦精密工业（深圳）有限公司 | Spring detection device |
| US9651464B1 (en) * | 2013-09-05 | 2017-05-16 | Sandia Corporation | Spring performance tester for miniature extension springs |
| CN107741354A (en) * | 2017-10-20 | 2018-02-27 | 安徽理工大学 | A kind of spring elongation detection means |
| CN207751679U (en) * | 2017-12-25 | 2018-08-21 | 江门力进弹簧五金有限公司 | A kind of spring detection finished product workbench |
| CN209148279U (en) * | 2019-01-18 | 2019-07-23 | 温州市恒力弹簧制造有限公司 | A kind of detection device for elasticity of spring processing |
| CN210293641U (en) * | 2019-07-23 | 2020-04-10 | 天津赛达鑫源检验检测有限公司 | Tensile testing machine for reliability detection |
| CN210571684U (en) * | 2019-06-13 | 2020-05-19 | 海安县恒业制丝有限公司 | Gantry double-column type force machine for producing cotton stranded wires |
| CN111380677A (en) * | 2020-04-26 | 2020-07-07 | 安徽中腾汽车零部件有限公司 | Fatigue testing machine for spring |
| CN211013333U (en) * | 2019-12-23 | 2020-07-14 | 布莱登(天津)有限公司 | Convenient fixed spring detection device |
| CN215065697U (en) * | 2020-08-17 | 2021-12-07 | 昆山麦斯特五金弹簧有限公司 | A pulling force detection device for spring production |
-
2020
- 2020-08-17 CN CN202010822434.5A patent/CN111751204A/en active Pending
-
2021
- 2021-04-27 CN CN202110462524.2A patent/CN112945707B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR19980027514U (en) * | 1996-11-16 | 1998-08-05 | 양재신 | Mounting Jig for Spring Test |
| CN103376192A (en) * | 2012-04-19 | 2013-10-30 | 鸿富锦精密工业（深圳）有限公司 | Spring detection device |
| US9651464B1 (en) * | 2013-09-05 | 2017-05-16 | Sandia Corporation | Spring performance tester for miniature extension springs |
| CN107741354A (en) * | 2017-10-20 | 2018-02-27 | 安徽理工大学 | A kind of spring elongation detection means |
| CN207751679U (en) * | 2017-12-25 | 2018-08-21 | 江门力进弹簧五金有限公司 | A kind of spring detection finished product workbench |
| CN209148279U (en) * | 2019-01-18 | 2019-07-23 | 温州市恒力弹簧制造有限公司 | A kind of detection device for elasticity of spring processing |
| CN210571684U (en) * | 2019-06-13 | 2020-05-19 | 海安县恒业制丝有限公司 | Gantry double-column type force machine for producing cotton stranded wires |
| CN210293641U (en) * | 2019-07-23 | 2020-04-10 | 天津赛达鑫源检验检测有限公司 | Tensile testing machine for reliability detection |
| CN211013333U (en) * | 2019-12-23 | 2020-07-14 | 布莱登(天津)有限公司 | Convenient fixed spring detection device |
| CN111380677A (en) * | 2020-04-26 | 2020-07-07 | 安徽中腾汽车零部件有限公司 | Fatigue testing machine for spring |
| CN215065697U (en) * | 2020-08-17 | 2021-12-07 | 昆山麦斯特五金弹簧有限公司 | A pulling force detection device for spring production |
Non-Patent Citations (1)
| Title |
|---|
| "WDW-500微机控制弹簧试验机工作台改造";易志强;《科技与企业》;20121222(第24期);358 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111751204A (en) | 2020-10-09 |
| CN112945707A (en) | 2021-06-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112945707B (en) | Tension detection device for spring production | |
| CN107631941B (en) | Steel pipe detection device | |
| CN103292969B (en) | Manual spring tension and compression testing machine | |
| CN215065697U (en) | A pulling force detection device for spring production | |
| CN211159527U (en) | Auxiliary device for detecting mycotoxin | |
| CN203465158U (en) | Double-stand-column tension tester | |
| CN216327908U (en) | A frock clamp for spring equipment | |
| CN210221027U (en) | External tooth isolator detection device that beats | |
| CN109141169A (en) | A kind of pitch diameter of thread bounce gauge | |
| CN211505038U (en) | Material tension detection equipment for engineering supervision | |
| CN112894668A (en) | Fixing device for detecting computer component | |
| CN112223184A (en) | Tool clamp for spring assembly and use method thereof | |
| CN215335382U (en) | Total powerstation fixing device | |
| CN117376805B (en) | Headset bandeau testing arrangement that bends | |
| CN221803710U (en) | Automobile cushion resilience force testing device | |
| CN219179089U (en) | Drain pipe tensile property detection device | |
| CN118275549B (en) | Sound absorption performance testing device and method for sound insulation cover | |
| CN220893965U (en) | Automatic sample fixing device of microcomputer controlled electrohydraulic servo universal tester | |
| CN215414150U (en) | Steel construction welding residual stress detection device | |
| CN211824510U (en) | Novel portable humiture verification case | |
| CN220583954U (en) | Tensile detection device for detecting polaroid | |
| CN218194830U (en) | Clamping device for injection tube tension test | |
| CN221260683U (en) | Furniture extrusion detection device | |
| CN221550278U (en) | Reinforcing steel bar strength detection device | |
| CN221594243U (en) | Detection device of camera lens |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |