CN213239998U - Concrete electrochemical impedance testing equipment and concrete electrochemical impedance mould thereof - Google Patents

Concrete electrochemical impedance testing equipment and concrete electrochemical impedance mould thereof Download PDF

Info

Publication number
CN213239998U
CN213239998U CN202021030551.XU CN202021030551U CN213239998U CN 213239998 U CN213239998 U CN 213239998U CN 202021030551 U CN202021030551 U CN 202021030551U CN 213239998 U CN213239998 U CN 213239998U
Authority
CN
China
Prior art keywords
electrochemical impedance
conductive
baffles
concrete
concrete electrochemical
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
Application number
CN202021030551.XU
Other languages
Chinese (zh)
Inventor
龙武剑
张轩翰
解静
龙凯迪
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen University
Original Assignee
Shenzhen University
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shenzhen University filed Critical Shenzhen University
Priority to CN202021030551.XU priority Critical patent/CN213239998U/en
Application granted granted Critical
Publication of CN213239998U publication Critical patent/CN213239998U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)

Abstract

The application belongs to the technical field of concrete testing, and particularly relates to a concrete electrochemical impedance testing device and a concrete electrochemical impedance mould thereof, wherein the concrete electrochemical impedance mould comprises a base, two conductive baffles and two spiral reinforcing mechanisms, the base is provided with a bearing surface for bearing a testing block, the two conductive baffles are arranged at intervals and are positioned above the bearing surface, a placing area for placing the testing block is formed between the two conductive baffles, and the two conductive baffles can be close to or far away from each other so as to clamp or loosen the testing block; the two spiral reinforcing mechanisms are respectively positioned on the sides of the two conductive baffles back to the placing area; each spiral reinforcing mechanism all includes the anchor strut, and the anchor strut is installed on the base to extend towards electrically conductive baffle, the tip spiro union that the anchor strut is close to electrically conductive baffle has the spiral reinforcement spare that is used for supporting on the tight electrically conductive baffle. The concrete electrochemical impedance mould can meet the test requirement of a small-size test block, and is simple, convenient and quick to operate.

Description

Concrete electrochemical impedance testing equipment and concrete electrochemical impedance mould thereof
Technical Field
The application belongs to the technical field of concrete testing, and particularly relates to a concrete electrochemical impedance testing device and a concrete electrochemical impedance mould thereof.
Background
At present, when concrete electrochemical impedance is tested, a general test block needs to carry out subsequent nondestructive compressive strength test, so that the existing concrete electrochemical impedance mould is mainly suitable for a large-size concrete test block, and the mould has the problem of inconvenient operation when being used for testing a small-size concrete test block. For experimenters, when the existing concrete electrochemical impedance mould is used for testing small-size concrete, the problems of inconvenient operation and low experimental efficiency exist.
SUMMERY OF THE UTILITY MODEL
An object of the application is to provide a concrete electrochemical impedance test equipment and concrete electrochemical impedance mould thereof, has the technical problem that the operation is inconvenient and the experimental efficiency is low when aiming at solving the test small-size concrete test block electrochemical impedance among the prior art.
In order to achieve the purpose, the technical scheme adopted by the application is as follows: a concrete electrochemical impedance mould comprises a base, two conductive baffles and two spiral reinforcing mechanisms, wherein the base is provided with a bearing surface for bearing a test block, the two conductive baffles are arranged at an interval and are both positioned above the bearing surface, a placing area for placing the test block is formed between the two conductive baffles, and the two conductive baffles can be close to or far away from each other so as to clamp or loosen the test block; the two spiral reinforcing mechanisms are respectively positioned on the sides of the two conductive baffles back to the placing area; each spiral reinforcing mechanism all includes the anchor strut, the anchor strut install in on the base, and the orientation electrically conductive baffle extends, the anchor strut is close to the tip spiro union of electrically conductive baffle has the spiral reinforcement that is used for supporting tightly on the electrically conductive baffle.
Optionally, each of the spiral reinforcing mechanisms includes at least two reinforcing rods, and each of the reinforcing rods is arranged at intervals along the length direction of the conductive baffle.
Optionally, the spiral reinforcement includes a cylindrical portion, the cylindrical portion is provided with an internal threaded hole for cooperating with the reinforcing rod, the internal threaded hole is along an axial direction of the cylindrical portion, a plurality of protrusions are provided on an outer peripheral wall of the cylindrical portion, and each of the protrusions is arranged along a circumferential direction of the cylindrical portion at intervals.
Optionally, the number of the protrusions is two, and the two protrusions are symmetrically arranged about the axis of the cylindrical portion.
Optionally, the base includes a bearing plate and two mounting panels for bearing the test block, two mounting panels are respectively mounted on two opposite sides of the bearing plate, two conductive baffles are located between the two mounting panels, two mounting panels are provided with mounting through holes, and each reinforcing rod is slidably disposed through each mounting through hole in a one-to-one correspondence manner.
Optionally, another two opposite sides of the bearing plate are respectively provided with a fixed baffle, two fixed baffles are arranged at an opposite interval and are all perpendicular to the conductive baffles, two conductive baffles are arranged between the two fixed baffles, and two ends of each conductive baffle are respectively abutted against the two fixed baffles.
Optionally, a containing hole is formed in the side surface, back to the placing area, of the conductive baffle; the reinforcing rod comprises a connecting section, a threaded section and a sliding section which are connected in sequence, the spiral fastener is screwed on the threaded section, the connecting section is used for being inserted into the containing hole, and the sliding section penetrates through the mounting through hole.
Optionally, the connecting section and the sliding section are both polished rod sections.
Optionally, the two conductive baffles are provided with connectors for electrical connection of an external power supply.
One or more technical schemes in the concrete electrochemical impedance mould provided by the application have at least one of the following technical effects: when the testing device is used, the testing block is placed on the bearing surface of the base and positioned between the two conductive baffles, then the conductive baffles on the two sides are moved simultaneously to clamp the testing block, and then the spiral reinforcing parts on the reinforcing rods of the two spiral reinforcing mechanisms are screwed to enable the spiral reinforcing parts to be tightly abutted against the corresponding conductive baffles, so that the conductive baffles on the two sides are ensured to be fully contacted with the testing block, the current loss rate is reduced, and the precision of a testing result is improved; the utility model provides a concrete electrochemical impedance mould's both sides conducting baffle homoenergetic relative movement, the distance can be adjusted in a flexible way between two conducting baffle like this, so can satisfy the test demand of small-size test piece, and easy and simple to handle swiftly, the experimental efficiency is high.
Another technical scheme adopted by the application is as follows: a concrete electrochemical impedance testing device comprises the concrete electrochemical impedance mould.
According to the concrete electrochemical impedance testing equipment, due to the adoption of the concrete electrochemical impedance mould, on one hand, the current loss rate is reduced, and the precision of a testing result is improved; on the other hand, the two sides of the conductive baffle plates can move relatively, so that the distance between the two conductive baffle plates can be flexibly adjusted, the test requirement of a small-size test block can be met, the operation is simple, convenient and quick, and the experiment efficiency is high.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of a view angle of a concrete electrochemical impedance mold according to an embodiment of the present application.
Fig. 2 is a structural view of another perspective of the concrete electrochemical impedance mold shown in fig. 1.
Wherein, in the figures, the respective reference numerals:
10-base 11-bearing plate 12-mounting plate
13-fixed baffle 20-conductive baffle 21-joint
30-spiral reinforcement mechanism 31-reinforcement rod 32-spiral reinforcement
40-placement area 321-cylindrical portion 322-protrusion.
Detailed Description
Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to fig. 1-2 are exemplary and intended to be used to illustrate the present application and should not be construed as limiting the present application.
In the description of the present application, it is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings, which is for convenience and simplicity of description, and does not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, is not to be considered as limiting.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
As shown in fig. 1 to 2, in an embodiment of the present application, a concrete electrochemical impedance mold is provided, which is suitable for electrochemical impedance testing of a test block, and is particularly low, and is suitable for electrochemical impedance testing of a small-sized test block, wherein the small-sized test block in the embodiment generally refers to a cube with a side length in a range of 1.5cm to 3cm, and the concrete electrochemical impedance mold is suitable for a largest test block with a side length of 3cm cube.
The concrete electrochemical impedance mould comprises a base 10, two conductive baffles 20 and two spiral reinforcing mechanisms 30, wherein a bearing surface for bearing a test block is arranged on the base 10, the two conductive baffles 20 are oppositely arranged at intervals and are both positioned above the bearing surface, a placing area 40 for placing the test block is formed between the two conductive baffles 20, and the two conductive baffles 20 can be close to or far away from each other so as to clamp or loosen the test block; wherein, electrically conductive baffle is placed perpendicularly on loading board 11 to be not connected with loading board 11, and the relative surface that sets up of two electrically conductive baffles 20 is the smooth surface to closely laminate with the test block.
Further, the two spiral reinforcing mechanisms 30 are respectively positioned on the sides of the two conductive baffles 20, which are back to the placement area 40; each spiral reinforcing mechanism 30 includes a reinforcing rod 31, the reinforcing rod 31 is installed on the base 10 and extends toward the conductive baffle 20, wherein the reinforcing rod 31 is perpendicular to the conductive baffle 20, further, the end of the reinforcing rod 31 close to the conductive baffle 20 is screwed with a spiral reinforcing member 32 for abutting against the conductive baffle 20, wherein the spiral reinforcing members 32 of the two spiral reinforcing mechanisms 30 abut against the two conductive baffles 20 respectively.
Specifically, when the concrete electrochemical impedance mould of the embodiment of the application is used, a testing block is placed between two conductive baffles 20 and is positioned on the bearing surface of the base 10, then the conductive baffles 20 on two sides are moved simultaneously to clamp the testing block, and then the spiral reinforcements 32 on the reinforcing rods 31 of the two spiral reinforcement mechanisms 30 are screwed, so that the spiral reinforcements 32 are abutted against the corresponding conductive baffles 20, the conductive baffles 20 on two sides are ensured to be in full contact with the testing block, the current loss rate is reduced, and the precision of a testing result is improved; the utility model provides a concrete electrochemical impedance mould's both sides conducting baffle 20 homoenergetic relative movement, the distance can be adjusted in a flexible way between two conducting baffle 20 like this, so can satisfy the test demand of small-size test piece, and easy and simple to handle swiftly, and the experimental efficiency is high.
Further, after the test is accomplished, loosen helical reinforcement 32, only need promote both sides conducting baffle 20 and keep away from the test piece, can take out the test piece, the whole convenient and fast that tests, and the experimental efficiency is high, and the result is accurate relatively.
In another embodiment of the present application, each mounting plate 12 of the concrete electrochemical impedance mould is provided with at least two reinforcing rods 31, each reinforcing rod 31 being spaced apart along the length of the electrically conductive barrier 20. After the conductive baffle 20 is contacted with the test block, the spiral reinforcements 32 on the reinforcing rods 31 are simultaneously abutted against the conductive baffle 20, and the stress of the conductive baffle 20 is uniform, so that the conductive baffle 20 is contacted with the test block more tightly, further, the current loss rate is reduced, and the precision of the test result is improved.
In another embodiment of the present application, referring to fig. 2, the spiral reinforcement 32 of the concrete electrochemical impedance mold includes a cylindrical portion 321, the cylindrical portion 321 is provided with an internal threaded hole (not shown) for communicating with the reinforcing rod 31, the internal threaded hole is along an axial direction of the cylindrical portion 321, a plurality of protrusions 322 are provided on an outer circumferential wall of the cylindrical portion 321, and the protrusions 322 are spaced apart from each other along a circumferential direction of the cylindrical portion 321. Specifically, cylinder portion 321 passes through internal thread hole and anchor strut 31 threaded connection to, at the in-process of twisting cylinder portion 321, protruding 322 can regard as the impetus, makes twisting of helical reinforcement 32 move more easily, and the fixed operation of test block is convenient and fast more, and the experimental efficiency is higher.
In another embodiment of the present application, referring to fig. 2, the number of the protrusions 322 of the concrete electrochemical impedance mold is provided to be two, and the two protrusions 322 are symmetrically disposed about the axis of the cylindrical portion 321. Specifically, in the process of screwing the cylindrical portion 321, two fingers of the operator respectively abut on the protrusions 322 to form a moment, so that the cylindrical portion 321 is easier to rotate.
In another embodiment of the present application, referring to fig. 1 and 2, a base 10 of the concrete electrochemical impedance mold is provided, which includes a loading plate 11 for loading a test block and two mounting plates 12, the two mounting plates 12 are respectively mounted on opposite sides of the loading plate 11, two conductive baffles 20 are located between the two mounting plates 12, the two mounting plates 12 are provided with mounting through holes (not shown), and the reinforcing rods 31 are slidably disposed through the mounting through holes in a one-to-one correspondence manner. Specifically, the bearing plate 11 is used for bearing the test block and serves as an installation base of the installation plate 12, the installation plate 12 serves as an installation base of the reinforcing rod 31, the reinforcing rod 31 penetrates through the installation through hole in the installation plate 12 in a sliding mode, the reinforcing rod 31 can move along the installation through hole, when the distance between the spiral reinforcement 32 and the conductive baffle 20 is large, the reinforcing rod 31 can be moved, the spiral reinforcement 32 can be screwed to be tightly abutted to the conductive baffle 20, and therefore the test requirement of the test block with the smaller size is met.
In another embodiment of the present application, two opposite sides of the bearing plate 11 of the concrete electrochemical impedance mold are respectively provided with a fixing baffle 13, the two fixing baffles 13 are arranged at an opposite interval and are perpendicular to the conductive baffle 20, the two conductive baffles 20 are located between the two fixing baffles 13, and two ends of each conductive baffle are respectively abutted against the two fixing baffles 13. Specifically, the conductive baffle plates 20 on the two sides are guided by the fixed baffle plate 13 in the moving process, so that the conductive baffle plates 20 on the two sides have good moving stability, the conductive baffle plates 20 are prevented from being inclined, the contact tightness between the conductive baffle plates 20 and the test block is good, the test precision is higher, and meanwhile, the moving operation of the conductive baffle plates 20 is simpler.
Furthermore, it should be noted that, the concrete electrochemical impedance mould of the embodiment of the present application is suitable for a stable laboratory environment, the test block does not receive an external force or a small external force, and the acting force of the spiral reinforcement 32 abutting against the corresponding conductive baffle 20 is small and does not exceed the friction force between the reinforcing rod 31 and the mounting plate 12, that is, the reinforcing rod 31 does not slide on the mounting plate 12, so that the conductive baffle 20 is not tightly attached to the test block.
In another embodiment of the present application, a receiving hole (not shown) is provided on the side of the conductive baffle 20 of the concrete electrochemical impedance mold facing away from the placement area 40; the reinforcing rod 31 comprises a connecting section, a threaded section and a sliding section which are connected in sequence, a spiral fastener is screwed on the threaded section, the connecting section is used for being inserted into the containing hole, and the sliding section is arranged in the mounting through hole in a penetrating mode.
Specifically, after electrically conductive baffle 20 and test piece contact, the linkage segment of anchor strut 31 stretches into electrically conductive baffle 20's holding downthehole, the linkage segment can play the effect of supporting electrically conductive baffle 20, make electrically conductive baffle 20 more inseparable with the laminating of test piece, the screw thread section indicates that the periphery wall that corresponds the part on the anchor strut 31 is provided with the external screw thread, screw fastener passes through internal thread hole and external screw thread fit, thereby realize the spiro union, the slip section is worn to locate in the installation through-hole, thereby realize for the removal of mounting panel 12, in order to be close to or keep away from electrically conductive baffle 20, satisfy the installation demand of the test piece of smaller-size.
More specifically, the connecting section is in clearance fit with the accommodating hole, the connecting section is easier to insert into or extract from the accommodating hole, and the sliding section is in clearance fit with the mounting through hole, so that the moving operation of the reinforcing member is more time-saving and labor-saving.
In another embodiment of the present application, both the connecting section and the sliding section of the concrete electrochemical impedance mold are provided as light bar sections. Specifically, neither the connecting section nor the sliding section is provided with a thread, the thread is short in length, and the reinforcing rod 31 is more convenient to process and manufacture.
Furthermore, the containing hole can be a through hole or a blind hole, and when the containing hole is a blind hole, the reinforcing rod 31 cannot penetrate through the conductive baffle 20 to enter the placing area 40, so that the test of the test block is influenced; when the accommodating hole is a through hole, the length of the connecting section is set according to the thickness of the conductive baffle 20, so that the length of the connecting section is smaller than that of the conductive baffle 20, and the connecting section is prevented from extending into the accommodating area 40.
In another embodiment of the present application, referring to fig. 1 and 2, the two conductive baffles 20 of the concrete electrochemical impedance mould are provided with connectors 21 for electrical connection of an external power source. The positive and negative poles of the external power supply are respectively connected with the connectors 21 on the conductive baffle plates 20 at the two sides through leads, so that the electrical conduction of the test block is realized, and the subsequent analysis and calculation are facilitated.
In another embodiment of the present application, there is provided a concrete electrochemical impedance testing apparatus including the concrete electrochemical impedance mold described above.
Specifically, the concrete electrochemical impedance testing equipment of the embodiment of the application adopts the concrete electrochemical impedance mould, so that on one hand, the current loss rate is reduced, and the precision of the testing result is improved; on the other hand, both sides electrically conductive baffle 20 homoenergetic relative movement, the distance can be adjusted in a flexible way between two electrically conductive baffle 20 like this, so can satisfy the test demand of small-size test piece, and easy and simple to handle swiftly, the experimental efficiency is high.
The present invention is not intended to be limited to the particular embodiments shown and described, but is to be accorded the widest scope consistent with the principles and novel features herein disclosed.

Claims (10)

1. A concrete electrochemical impedance mould is characterized in that: the testing fixture comprises a base, two conductive baffles and two spiral reinforcing mechanisms, wherein a bearing surface for bearing a testing block is arranged on the base, the two conductive baffles are arranged at intervals and are positioned above the bearing surface, a placing area for placing the testing block is formed between the two conductive baffles, and the two conductive baffles can be close to or far away from each other so as to clamp or loosen the testing block; the two spiral reinforcing mechanisms are respectively positioned on the sides of the two conductive baffles back to the placing area;
each spiral reinforcing mechanism all includes the anchor strut, the anchor strut install in on the base, and the orientation electrically conductive baffle extends, the anchor strut is close to the tip spiro union of electrically conductive baffle has the spiral reinforcement that is used for supporting tightly on the electrically conductive baffle.
2. A concrete electrochemical impedance mould according to claim 1, wherein: each spiral reinforcing mechanism comprises at least two reinforcing rods, and the reinforcing rods are arranged at intervals along the length direction of the conductive baffle.
3. A concrete electrochemical impedance mould according to claim 1, wherein: the spiral reinforcement comprises a cylindrical part, wherein an internal thread hole used for being connected with the reinforcing rod is formed in the cylindrical part, the internal thread hole is formed in the axis direction of the cylindrical part, a plurality of bulges are arranged on the peripheral wall of the cylindrical part, and the bulges are arranged at intervals along the circumferential direction of the cylindrical part.
4. A concrete electrochemical impedance mould according to claim 3, wherein: the number of the protrusions is two, and the two protrusions are symmetrically arranged about the axis of the cylindrical portion.
5. A concrete electrochemical impedance mould as claimed in any one of claims 1 to 4, wherein: the base is including being used for bearing the weight of the loading board and two mounting panels of test piece, two the mounting panel install respectively in the relative both sides of loading board, two electrically conductive baffle is located two between the mounting panel, two the mounting panel is provided with the installation through-hole, each the stiffening rod slides to locate in each the installation through-hole one-to-one.
6. A concrete electrochemical impedance mould according to claim 5, wherein: the other two opposite sides of the bearing plate are respectively provided with a fixed baffle, the two fixed baffles are arranged at opposite intervals and are perpendicular to the conductive baffles, the two conductive baffles are arranged between the two fixed baffles, and two ends of each conductive baffle are respectively abutted against the two fixed baffles.
7. A concrete electrochemical impedance mould according to claim 5, wherein: the side surface of the conductive baffle plate, which is back to the placing area, is provided with a containing hole; the reinforcing rod comprises a connecting section, a threaded section and a sliding section which are connected in sequence, the spiral reinforcing piece is in threaded connection with the threaded section, the connecting section is used for being inserted into the containing hole, and the sliding section penetrates through the mounting through hole.
8. A concrete electrochemical impedance mould according to claim 7, wherein: the connecting section and the sliding section are light-equalizing rod sections.
9. A concrete electrochemical impedance mould as claimed in any one of claims 1 to 4, wherein: and the two conductive baffles are provided with joints for electrically connecting with an external power supply.
10. A concrete electrochemical impedance test equipment which characterized in that: a concrete electrochemical impedance mould comprising a concrete electrochemical impedance mould as claimed in any one of claims 1 to 9.
CN202021030551.XU 2020-06-05 2020-06-05 Concrete electrochemical impedance testing equipment and concrete electrochemical impedance mould thereof Active CN213239998U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021030551.XU CN213239998U (en) 2020-06-05 2020-06-05 Concrete electrochemical impedance testing equipment and concrete electrochemical impedance mould thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021030551.XU CN213239998U (en) 2020-06-05 2020-06-05 Concrete electrochemical impedance testing equipment and concrete electrochemical impedance mould thereof

Publications (1)

Publication Number Publication Date
CN213239998U true CN213239998U (en) 2021-05-18

Family

ID=75884196

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021030551.XU Active CN213239998U (en) 2020-06-05 2020-06-05 Concrete electrochemical impedance testing equipment and concrete electrochemical impedance mould thereof

Country Status (1)

Country Link
CN (1) CN213239998U (en)

Similar Documents

Publication Publication Date Title
CN206975192U (en) Square housing battery test fixture and test equipment
US20200217821A1 (en) Tempo-spatial evolution test system for rock breaking in deep and complex environment
CN211304385U (en) Electromagnetic force driven metal sheet high-speed forming limit testing device
CN109186994A (en) A kind of charging interface plug and pull out detector
CN213239998U (en) Concrete electrochemical impedance testing equipment and concrete electrochemical impedance mould thereof
CN109342962A (en) Needle bed
CN110757363A (en) Horn bracket positioning pin riveting clamp
CN112730926A (en) Adjustable square battery test probe device
CN208872857U (en) A kind of battery performance simulating test device
CN210603587U (en) Novel illuminance sensor
CN211197835U (en) Mechanical arm
CN209590101U (en) Cell measuring clamp
CN216202105U (en) Force transducer with quick positioning and mounting assembly
CN221725518U (en) Clamp for vibration test of electronic measuring instrument
CN216499115U (en) Injection equipment of anti diluent
CN111766921A (en) Computer display device convenient to adjust
CN219967648U (en) Hard-covered battery core stacking clamp
CN209590237U (en) Needle bed
CN220913182U (en) Adjustable clamp for relay test
CN213319724U (en) Clamp for test
CN220137176U (en) Equipment for automatically detecting charging and discharging states of lithium battery
CN215906990U (en) Adjustable steel mesh frame
CN213260363U (en) Electric drill positioning support for indoor wall opening
CN215573890U (en) Sampling device for soil detection
CN219369307U (en) Adhesive butt joint test piece sample preparation clamp

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant