CN112577890A - Water heater magnesium stick vibration experiment test fixture - Google Patents
Water heater magnesium stick vibration experiment test fixture Download PDFInfo
- Publication number
- CN112577890A CN112577890A CN202011471123.5A CN202011471123A CN112577890A CN 112577890 A CN112577890 A CN 112577890A CN 202011471123 A CN202011471123 A CN 202011471123A CN 112577890 A CN112577890 A CN 112577890A
- Authority
- CN
- China
- Prior art keywords
- rod
- water heater
- magnesium rod
- rolling groove
- magnesium
- 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
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 title claims abstract description 78
- 238000012360 testing method Methods 0.000 title claims abstract description 50
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 43
- 238000002474 experimental method Methods 0.000 title claims abstract description 27
- 229910052749 magnesium Inorganic materials 0.000 title claims description 7
- 239000011777 magnesium Substances 0.000 title claims description 7
- 238000005096 rolling process Methods 0.000 claims abstract description 68
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000000178 monomer Substances 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 210000003298 dental enamel Anatomy 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N19/00—Investigating materials by mechanical methods
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/02—Vibration-testing by means of a shake table
- G01M7/027—Specimen mounting arrangements, e.g. table head adapters
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention provides a test tool for a vibration experiment of a magnesium rod of a water heater, which comprises: the fixture is used for fixing the magnesium rod to be tested; the universal rolling swing rod is provided with a ball end and a rod end; the bottom of the first rolling groove component is arc-shaped and is used for mounting a ball end of the universal rolling swing rod, and the bottom of the first rolling groove component is provided with an opening which is used for enabling the rod end of the universal rolling swing rod to penetrate through the opening to be connected with the clamp; the ball end of the universal rolling swing rod can rotate in any direction in the spherical space and cannot be separated from the spherical space; and the support seat assembly is connected with the second rolling groove assembly through a support rod. The tool is used for quickly detecting the structural strength of the magnesium rod monomer of the water heater, can quickly realize reliable clamping and placing direction adjustment of the magnesium rod, greatly improves the accuracy and the rigidness of the test, avoids the hidden danger of production quality caused by the distortion of a test result due to the non-standard placement of a sample, and reduces after-sale complaints.
Description
Technical Field
The invention relates to the technical field of vibration tests, in particular to a test tool for a vibration test of a magnesium rod of a water heater.
Background
With the wider application of the air energy water heater, the characteristics of electricity saving and environmental protection are determined by more and more users, and the market demand is gradually expanded. The water tank inner container of the water heater is an important component influencing the reliable operation of the water heater, the water tank inner container is mainly made of a ferrous metal material, when an enamel protective layer on the surface of the water tank inner container is damaged, the water tank inner container can be corroded at an accelerated speed, in order to avoid corrosion, a magnesium rod (also called an anode rod) is usually arranged in the middle of the water tank inner container, a small resistor is formed between the magnesium rod and the metal inner container through water, the magnesium rod starts to output current, a polarization film is generated when the current flows to the exposed metal inner container, damaged enamel is repaired, and the metal inner container is insulated to prevent corrosion.
The water tank is mainly horizontal and erect and place in turnover and storage process, and the magnesium stick is unsettled to be placed in the middle of the water tank, and the transportation is jolted the influence by the vehicle and can be drunkenness from top to bottom or all around, and for avoiding the water tank stick fracture, and influence anticorrosive effect, it is necessary to open magnesium stick vibration test, detects in advance and closes to magnesium stick structural strength.
No related tool in the market at present can meet the requirement for flexibly and quickly clamping multiple samples, and can flexibly adjust the height of a sample tool rack (or a platform), and the tool which can simultaneously realize quick clamping of the multiple samples and quick lifting adjustment of the height of a platform surface is urgently needed to be developed so as to meet the inspection requirement.
Disclosure of Invention
The invention aims to provide a test tool for a vibration experiment of a magnesium rod of a water heater, which is used for realizing suspension clamping of the magnesium rod and avoiding equipment abrasion and influence on the service life of the equipment due to direct contact with a test table board. The magnesium rod is prevented from being directly placed on a vibration test table board, the stress state of the magnesium rod is not consistent with the stress state of the magnesium rod in the water heater in the actual installation and transportation process, the test result is not real, unqualified products can not be detected at the first time, and after-sale complaints are avoided.
In order to achieve the purpose, the invention provides a test tool for a vibration experiment of a magnesium rod of a water heater, which is characterized by comprising the following components:
the fixture is used for fixing the magnesium rod to be tested;
one end of the universal rolling swing rod is provided with a ball end, and the other end of the universal rolling swing rod is a rod end;
the bottom of the first rolling groove component is arc-shaped and is used for installing a ball end of the universal rolling swing rod, and the bottom of the first rolling groove component is provided with an opening for enabling the rod end of the universal rolling swing rod to penetrate through the opening to be connected with a clamp;
the second rolling groove component is placed into the first rolling groove component from the opening end of the first rolling groove component, so that the ball end of the universal rolling swing rod can rotate in any direction in a spherical space formed by the first rolling groove component and the second rolling groove component, and cannot be separated from the spherical space;
and the support seat assembly is connected with the second rolling groove assembly through a support rod.
The test tool for the water heater magnesium rod vibration experiment is characterized in that the clamp consists of an upper jaw and a lower jaw which are symmetrically arranged, and a fixing part with a circular section is formed between the upper jaw and the lower jaw which are opposite; the magnesium rod is provided with threads, a magnesium rod port joint is arranged in the fixing part, and the magnesium rod is connected with the magnesium rod port joint through threads.
The test tool for the water heater magnesium rod vibration experiment is characterized in that a non-slip rubber ring is further arranged between the fixing part and the magnesium rod port connector.
The test tool for the water heater magnesium rod vibration experiment is characterized in that the clamp consists of an upper jaw and a lower jaw which are symmetrically arranged, and a fixing part with a circular section is formed between the upper jaw and the lower jaw which are opposite; the magnesium rod is not provided with threads, a variable diameter rubber ring is arranged in the fixing part, and the variable diameter rubber ring is sleeved on the magnesium rod.
The test tool for the water heater magnesium rod vibration experiment is characterized in that a swing arm rotation locking assembly is further arranged on one side of the first rolling groove assembly, one end of the swing arm rotation locking assembly penetrates through the first rolling groove assembly to enter the spherical space, and the other end of the swing arm rotation locking assembly is located on the outer side of the first rolling groove assembly and is connected with a handle so as to lock or release the ball end of the universal rolling swing rod.
The test fixture for the water heater magnesium rod vibration experiment is characterized in that the supporting rod can move up and down relative to the supporting seat component.
The test tool for the water heater magnesium rod vibration experiment is characterized in that one end of the supporting rod is connected with a rod part in the center of the supporting seat component through a quick locking device.
The testing tool for the water heater magnesium rod vibration experiment is characterized in that a base plate of the supporting seat assembly is fixed with vibration equipment through screws.
The test fixture for the water heater magnesium rod vibration experiment is characterized in that the support rod is of a straight-line structure and is provided with a group of clamps.
The water heater magnesium rod vibration experiment test fixture, wherein, the bracing piece adopts Y type symmetrical structure, and it can install two sets of anchor clamps simultaneously.
The invention has the beneficial effects that: the tool is used for quickly detecting the structural strength of the magnesium rod monomer of the water heater, can quickly realize reliable clamping and arrangement direction adjustment of the magnesium rod, greatly improves the accuracy and the rigidness of the test, avoids the hidden danger of production quality caused by the distortion of a test result due to the non-standard arrangement of a sample, and effectively reduces the post-sale complaints.
Drawings
FIG. 1 is a schematic structural diagram of a test fixture for a vibration experiment of a magnesium rod of a water heater;
fig. 2 is a partially enlarged view of fig. 1.
Detailed Description
In order to clearly illustrate the inventive content of the present invention, the present invention will be described below with reference to examples.
In the description of the present invention, it should be noted that the terms "upper", "lower", "horizontal", "vertical", "top", "bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 1 and 2, the invention provides a test tool for a vibration experiment of a magnesium rod of a water heater, which is used for performing a vibration experiment on the magnesium rod 4, and the test tool mainly comprises: the device comprises a clamp 1, an anti-slip rubber ring 2, a magnesium rod mouth joint 3, a universal rolling swing rod 5, a first rolling groove component 6, a second rolling groove component 7, a support rod 8, a quick locking device 9, a support seat component 10, a rotating screw fastening component 11 and a swing arm rotating locking component 12.
The clamp 1 is composed of an upper jaw and a lower jaw which are symmetrically arranged, and a fixing part with a circular section is formed between the upper jaw and the lower jaw which are opposite to each other and used for fixing the magnesium rod 4. Preferably, the clamp 1 has at least one fixing portion, in the embodiment shown in fig. 1, a total of 4 fixing portions being provided. In addition, both ends of the jig 1 are locked by rotating the bolt fastening members 11.
Aiming at a magnesium rod of a thread mechanism, a magnesium rod mouth joint 3 is arranged in a fixing part, the magnesium rod mouth joint 3 and a magnesium rod 4 are directly screwed into a whole, a top sliding rubber ring 2 is sleeved outside the magnesium rod mouth joint 3 and is plugged into the fixing part of a clamp 1, rotating screw fastening components 11 on two sides of the clamp 1 are turned upwards and are screwed by hands, and then are locked by a wrench, so that the magnesium rod is fixed.
And aiming at the non-thread mechanism magnesium rod, a reducing rubber ring (replacing a magnesium rod port connector 3) is arranged in the fixing part, the reducing rubber ring is sleeved at the clamping part of the magnesium rod and is plugged into the fixing part of the clamp 1 together, the rotating screw fastening components 11 on the two sides of the clamp 1 are turned upwards and screwed by hands, and then the clamp is locked by a wrench.
The tightness adjustment is rapidly realized through the rotating screw fastening components 11 on the two sides of the clamp 1, the magnesium rod 4 is rapidly assembled and disassembled, the magnesium rod 4 is prevented from rotating or sliding under the stress in the vibration test process through the anti-slip rubber ring 2, and the stability in the test process is ensured.
One end of the universal rolling swing rod 5 is provided with a ball end, the other end of the universal rolling swing rod is a rod end, and the rod end is fixedly connected with the middle part of the clamp 1. Preferably, the end of the rod end has a threaded section, and the threaded section passes through the middle of the clamp 1 and is locked by a bolt.
The bottom of the first rolling groove component 6 is arc-shaped and is used for installing the ball end of the universal rolling swing rod 5. And the bottom of the first rolling slot assembly 6 is provided with an opening for enabling the rod end of the universal rolling swing rod 5 to pass through the opening to be connected with the clamp 1. The radial dimension of the opening is required to be smaller than the outer diameter of the ball end of the universal rolling swing rod 5 so as to prevent the ball end of the universal rolling swing rod 5 from being separated from the opening of the first rolling groove component 6.
The second rolling groove component 7 is placed into the first rolling groove component 6 from the opening end of the first rolling groove component 6, and the ball end of the universal rolling swing rod 5 is limited under the combined action of the first rolling groove component 6 and the second rolling groove component 7, so that the ball end of the universal rolling swing rod 5 can rotate in any direction in a spherical space formed by the first rolling groove component 6 and the second rolling groove component 7, and cannot be separated from the spherical space.
In addition, a swing arm rotation locking assembly 12 is further disposed on one side of the first rolling slot assembly 6, one end of the swing arm rotation locking assembly 12 penetrates through the first rolling slot assembly 6 and enters the spherical space, and the other end of the swing arm rotation locking assembly 12, which is located on the outer side of the first rolling slot assembly 6, is also connected with a handle, and the swing arm rotation locking assembly 12 can be gradually close to or far away from the ball end of the universal rolling swing rod 5 by rotating the handle, so that the ball end of the universal rolling swing rod 5 is locked (prevented from swinging) or released. Through swing arm rotation locking subassembly 12, realize locking universal roll pendulum rod 5, can realize fast XYZ triaxial accent simultaneously to, through quick locking device according to the nimble quick adjustment support height of test sample size.
One end of the support rod 8 is fixedly connected with the second rolling groove component 7, and the other end of the support rod 8 is connected with the rod part in the center of the support seat component 10 through a quick locking device 9. The bracing piece 8 can reciprocate for the pole portion at supporting seat subassembly 10 central authorities to reach out length on the adjustment bracing piece according to the test needs, in order to satisfy test height needs, and make bracing piece 8 and supporting seat subassembly 10 central authorities pole portion reciprocal anchorage through quick locking device 9.
The chassis of the support seat assembly 10 is preferably provided with a reinforcing rib (a triangular structure in fig. 1) for reinforcing the rod portion of the support seat assembly 10, and the support seat assembly provides a powerful support for the whole tool clamp. In addition, the chassis of the support seat assembly 10 can be fixed with a vibration device through screws, so that the support seat assembly 10 cannot overturn when a vibration test is performed.
Preferably, in order to ensure that the tool is light to operate and has enough length in the using process, the main structure of the tool is made of high-strength aluminum alloy materials; the fasteners are all standard parts (made of stainless steel).
In the embodiment, the support rod 8 is in a straight-line structure, and a set of clamps 1 is correspondingly arranged, so that a plurality of magnesium rods 4 can be tested simultaneously, and the test is not limited to four rods shown in fig. 1.
In another preferred embodiment, the supporting rod 8 is of a Y-shaped symmetrical structure (not shown in the figure), that is, the lower end of the supporting rod 8 is a branch, the upper end of the supporting rod 8 is two symmetrical branches, and a set of clamps is respectively installed on the two branches at the upper end, so that double samples can be tested simultaneously, and the overall stress of the vibrating table is relatively more stable in a balanced test process.
The invention takes the universal electric grinder as a reference, designs a tooling structure consistent with the assembly stress mode of the magnesium rod in the whole machine, solves the problems that no tooling fixture exists in the vibration test of the magnesium rod and XYZ three-axis direction adjustment cannot be flexibly carried out, can simultaneously test 4 magnesium rod samples at one time, and provides an open joint for the subsequent development of other fixtures.
In conclusion, the beneficial effects of the invention are as follows: the tool is used for quickly detecting the structural strength of the magnesium rod monomer of the water heater, can quickly realize reliable clamping and arrangement direction adjustment of the magnesium rod, greatly improves the accuracy and the rigidness of the test, avoids the hidden danger of production quality caused by the distortion of a test result due to the non-standard arrangement of a sample, and effectively reduces the post-sale complaints.
While the invention has been described with reference to a preferred embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict. It is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (10)
1. The utility model provides a water heater magnesium stick vibration experiment test fixture which characterized in that includes:
the fixture is used for fixing the magnesium rod to be tested;
one end of the universal rolling swing rod is provided with a ball end, and the other end of the universal rolling swing rod is a rod end;
the bottom of the first rolling groove component is arc-shaped and is used for installing a ball end of the universal rolling swing rod, and the bottom of the first rolling groove component is provided with an opening for enabling the rod end of the universal rolling swing rod to penetrate through the opening to be connected with a clamp;
the second rolling groove component is placed into the first rolling groove component from the opening end of the first rolling groove component, so that the ball end of the universal rolling swing rod can rotate in any direction in a spherical space formed by the first rolling groove component and the second rolling groove component, and cannot be separated from the spherical space;
and the support seat assembly is connected with the second rolling groove assembly through a support rod.
2. The water heater magnesium rod vibration experiment testing tool according to claim 1, wherein the clamp is composed of an upper jaw and a lower jaw which are symmetrically arranged, and a fixing part with a circular section is formed between the upper jaw and the lower jaw which are opposite; the magnesium rod is provided with threads, a magnesium rod port joint is arranged in the fixing part, and the magnesium rod is connected with the magnesium rod port joint through threads.
3. The water heater magnesium rod vibration experiment testing tool according to claim 2, wherein a non-slip rubber ring is further arranged between the fixing portion and the magnesium rod port joint.
4. The water heater magnesium rod vibration experiment testing tool according to claim 1, wherein the clamp is composed of an upper jaw and a lower jaw which are symmetrically arranged, and a fixing part with a circular section is formed between the upper jaw and the lower jaw which are opposite; the magnesium rod is not provided with threads, a variable diameter rubber ring is arranged in the fixing part, and the variable diameter rubber ring is sleeved on the magnesium rod.
5. The water heater magnesium rod vibration experiment testing tool according to any one of claims 1 to 4, wherein a swing arm rotation locking assembly is further arranged on one side of the first rolling groove assembly, one end of the swing arm rotation locking assembly penetrates through the first rolling groove assembly to enter the spherical space, and the other end of the swing arm rotation locking assembly is located on the outer side of the first rolling groove assembly and is connected with a handle so as to lock or release the ball end of the universal rolling swing rod.
6. The water heater magnesium rod vibration experiment testing tool according to any one of claims 1 to 4, wherein the supporting rod can move up and down relative to the supporting seat assembly.
7. The water heater magnesium rod vibration experiment testing tool according to any one of claims 1 to 4, wherein one end of the supporting rod is connected with a rod part in the center of the supporting seat assembly through a quick locking device.
8. The water heater magnesium rod vibration experiment testing tool as claimed in any one of claims 1 to 4, wherein a chassis of the supporting seat assembly is fixed with a vibration device through screws.
9. The water heater magnesium rod vibration experiment testing tool according to any one of claims 1 to 4, wherein the supporting rod is of a straight-line structure, and a group of clamps are mounted on the supporting rod.
10. The water heater magnesium rod vibration experiment testing tool according to any one of claims 1 to 4, wherein the supporting rod is of a Y-shaped symmetrical structure, and two sets of clamps can be installed at the same time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011471123.5A CN112577890A (en) | 2020-12-14 | 2020-12-14 | Water heater magnesium stick vibration experiment test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011471123.5A CN112577890A (en) | 2020-12-14 | 2020-12-14 | Water heater magnesium stick vibration experiment test fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112577890A true CN112577890A (en) | 2021-03-30 |
Family
ID=75135282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011471123.5A Pending CN112577890A (en) | 2020-12-14 | 2020-12-14 | Water heater magnesium stick vibration experiment test fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112577890A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114397073A (en) * | 2021-12-13 | 2022-04-26 | 北京无线电计量测试研究所 | Anti-resonance falling tool clamp and vibration test method |
-
2020
- 2020-12-14 CN CN202011471123.5A patent/CN112577890A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114397073A (en) * | 2021-12-13 | 2022-04-26 | 北京无线电计量测试研究所 | Anti-resonance falling tool clamp and vibration test method |
| CN114397073B (en) * | 2021-12-13 | 2023-12-22 | 北京无线电计量测试研究所 | Anti-resonance falling-off tool clamp and vibration test method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102182250B (en) | Novel aluminum alloy bolt ball grid frame node and grid frame mounting method thereof | |
| CN104749029A (en) | Constant-load tensile test device | |
| CN112577890A (en) | Water heater magnesium stick vibration experiment test fixture | |
| CN201803821U (en) | Fixture for measuring residual stress of vane | |
| CN102840945A (en) | Cross groove bolt torque detection device | |
| CN214201131U (en) | Water heater magnesium stick vibration experiment test fixture | |
| CN213003550U (en) | Welding fixture for pipeline | |
| CN112762795B (en) | Brinell hardness indentation diameter measurement auxiliary device | |
| CN216483631U (en) | Torsion testing device for torsion spring | |
| CN207351524U (en) | Tubing sample electronic balance meausring apparatus | |
| CN109342083A (en) | Fixing means and fixture for the test of two wheeled electric balance car security performance | |
| CN110514516B (en) | Tensile sample clamp with spring for assisting fastening | |
| CN211661436U (en) | Welding test plate clamp | |
| CN114378508A (en) | Handrail part assembly bed-jig device | |
| CN210571275U (en) | Radial impact clamp for automobile hub bearing unit | |
| CN214176167U (en) | Power battery clamp | |
| CN209214919U (en) | Stationary fixture for the test of two wheeled electric balance car security performance | |
| CN206268758U (en) | Support for antenna detection apparatus and the antenna module with it | |
| CN220105695U (en) | Battery code scanning device | |
| CN219957135U (en) | Automatic quick change anchor clamps tray pulling force detection device | |
| CN220863326U (en) | Positioning and clamping tool for thin-wall cylinder piece | |
| CN215261712U (en) | Angular play measuring device | |
| CN220208889U (en) | Support structure of scanning electron microscope sample table and scanning electron microscope | |
| CN219842100U (en) | Dynamometer calibrating device | |
| CN219496017U (en) | Impact test device for detecting strength of sheet-like workpiece |
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 |