CN219625274U - Hardness detection device for PVC hose - Google Patents
Hardness detection device for PVC hose Download PDFInfo
- Publication number
- CN219625274U CN219625274U CN202320617958.XU CN202320617958U CN219625274U CN 219625274 U CN219625274 U CN 219625274U CN 202320617958 U CN202320617958 U CN 202320617958U CN 219625274 U CN219625274 U CN 219625274U
- Authority
- CN
- China
- Prior art keywords
- pvc hose
- plate
- bracing piece
- detection
- hardness
- 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
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model relates to the technical field of PVC hose detection, in particular to a hardness detection device for a PVC hose, which is characterized in that a PVC hose is sleeved on the outer side of a supporting rod, the supporting rod is supported on the inner side of the PVC hose, an operation fixing mechanism is used for fixing the PVC hose under the cooperation of the supporting rod, then a worker is used for operating a detection mechanism and detecting the hardness of the PVC hose under the cooperation of round holes, the detection efficiency is improved, and the convenience of fixing the PVC hose is improved; including workstation, backup pad, lead screw, bracing piece and round hole, the workstation top is provided with the backup pad, and the backup pad front end is provided with the lead screw, and the bracing piece rear end is provided with the screw hole, and the bracing piece is provided with the round hole through screw hole and screw thread assembly on the bracing piece, still includes detection mechanism and fixed establishment, and detection mechanism sets up on the workstation top, and fixed establishment installs at the backup pad front end.
Description
Technical Field
The utility model relates to the technical field of PVC hose detection, in particular to a hardness detection device for a PVC hose.
Background
The PVC hose is prepared by adding a large amount of plasticizer, a certain amount of stabilizer and other auxiliary agents into PVC resin, and then extruding and forming, wherein the soft PVC hose has excellent chemical stability, excellent electrical insulation property, good flexibility and colorability, and different hardness of the PVC hose, so that the PVC hose has different application fields.
Among the prior art, the chinese patent of publication No. CN211856111U discloses a hardness testing device for pvc hose, which comprises a base, the upper end fixedly connected with curb plate of base, the upper end fixedly connected with roof of curb plate, the lower extreme fixedly connected with hydraulic cylinder of roof, the lower extreme fixedly connected with atress board of hydraulic cylinder, the lower extreme of atress board is equipped with the connecting plate.
During the use, the device finds that when hardness detection is carried out on a PVC hose, through setting up guiding mechanism, clamping plates and adjusting mechanism, the handle in the rotating adjusting mechanism drives adjusting screw to rotate in the inside of locating plate, adjusting screw rotates and removes in the inside of locating plate, can promote or drive the clamping plate and pass through guiding mechanism at the upper end displacement of base, put the pipeline that awaits measuring between the clamping plates of base upper end both sides, but find in the use, because the PVC hose is softer, two sets of clamping plates are too close and can lead to the PVC hose to take place extrusion deformation, two sets of clamping plates are too far away and can lead to the PVC hose to fix insecurely, both conditions can lead to the deviation of testing result, therefore, need the accurate rotation handle of staff, consequently, use two sets of clamping plates to fix the PVC hose, the technical requirement to the staff is higher.
Disclosure of Invention
In order to solve the technical problems, the utility model provides the device for detecting the hardness of the PVC hose, which improves the detection efficiency and reduces the technical requirements on workers.
The utility model relates to a hardness detection device for a PVC hose, which comprises a workbench, a support plate, a screw rod, a support rod and a round hole, wherein the support plate is arranged at the top end of the workbench; when beginning to examine time measuring PVC hose, according to the internal diameter of PVC hose, select the bracing piece of looks adaptation, the diameter of bracing piece and the internal diameter looks adaptation of PVC hose, then screw hole and lead screw looks adaptation on the bracing piece, guarantee simultaneously that round hole and horizontal plane become the vertical state, with PVC hose suit in the outside of bracing piece, the bracing piece supports in the inboard of PVC hose, operation fixed establishment is fixed the PVC hose under the cooperation of bracing piece, then staff operation detection mechanism and carry out hardness detection to the PVC hose under the cooperation of round hole, improve detection efficiency, improve the fixed convenience of PVC hose, on the other hand, because the bracing piece makes with PVC hose assorted customization, if the PVC hose can not be the suit on the bracing piece, it is inconsistent with the standard to state the internal diameter of PVC hose, thereby remind the staff in time to adjust.
Preferably, the detection mechanism comprises two groups of supports, two groups of supports are arranged at the top end of the workbench, the stand columns are respectively arranged at the top ends of the two groups of supports, the top ends of the two groups of stand columns are connected with the bottom end of the beam, the electric hydraulic cylinder is arranged in the middle of the bottom end of the beam, the lifting plate and the mounting plate are arranged at the movable end of the bottom of the electric hydraulic cylinder, a pressure sensor is arranged between the lifting plate and the mounting plate, the controller is arranged at the top end of the workbench, the button and the display screen are arranged on the controller, the pressure sensor is electrically connected with the controller, a second threaded hole is formed at the bottom end of the mounting plate, the detection cone mechanism is assembled with the second threaded hole in a threaded manner, and the second threaded hole coincides with the axis of the round hole; after the PVC hose is fixed, the detection cone mechanism is assembled with the screw thread of the second threaded hole, and the electric hydraulic cylinder is started to extend through the button, so that the lifting plate, the pressure sensor and the mounting plate are matched to drive the detection cone mechanism to carry out hardness detection on the PVC hose under the matching of the round hole, and meanwhile, the pressure sensor transmits the detected pressure value to the controller and displays the pressure value through the display screen.
Preferably, the fixing mechanism comprises a transverse plate, telescopic rods, springs, a jacking plate and a V-shaped groove, wherein the transverse plate is arranged at the front end of the supporting plate, the jacking plate is arranged below the transverse plate, two groups of telescopic rods and two groups of springs are respectively arranged between the transverse plate and the jacking plate, each group of springs is respectively sleeved on the outer side of one group of telescopic rods, and the bottom end of the jacking plate is provided with the V-shaped groove; when the PVC hose is required to be sleeved on the supporting rod, the jacking plate is moved upwards, the PVC hose is sleeved on the supporting rod, the jacking plate is loosened, and the two groups of springs drive the jacking plate to move downwards under the action of the elastic force of the two groups of telescopic rods, so that the V-shaped groove is used for fixing the outer side wall of the PVC hose.
Preferably, the device also comprises a connecting rod and a pull handle, wherein the bottom end of the connecting rod is connected with the top end of the transverse plate, the top end of the connecting rod extends to the upper part of the transverse plate, the connecting rod is in sliding connection with the transverse plate, and the pull handle is arranged at the top end of the connecting rod; staff pulls the connecting rod through the pull handle to make the connecting rod carry out high fast adjustment to the tight board of top, improve the convenience.
Preferably, the device further comprises a conical block, and the front end of the supporting rod is provided with the conical block; when the PVC hose is sleeved, the guide operation is performed through the conical block, so that the PVC hose is quickly and conveniently sleeved on the outer side wall of the supporting rod.
Preferably, the detection cone mechanism comprises a detection cone body, a rotating rod and a threaded part, the top end of the detection cone body is provided with the threaded part, the threaded part is matched with the second threaded hole, and the rotating rod is symmetrically arranged at the left end and the right end of the detection cone body; the staff rotates the detection cone body through two sets of bull sticks to make screw thread portion and No. two screw holes carry out screw assembly, thereby realize detecting the installation of cone body and fix, improve the convenience.
Preferably, the V-shaped groove is provided with an anti-slip coating; the anti-slip coating is arranged on the V-shaped groove, so that the firmness of fixing the PVC hose is improved.
Compared with the prior art, the utility model has the beneficial effects that: when beginning to examine time measuring PVC hose, according to the internal diameter of PVC hose, select the bracing piece of looks adaptation, the diameter of bracing piece and the internal diameter looks adaptation of PVC hose, then screw hole and lead screw looks adaptation on the bracing piece, guarantee simultaneously that round hole and horizontal plane become the vertical state, with PVC hose suit in the outside of bracing piece, the bracing piece supports in the inboard of PVC hose, operation fixed establishment is fixed the PVC hose under the cooperation of bracing piece, then staff operation detection mechanism and carry out hardness detection to the PVC hose under the cooperation of round hole, improve detection efficiency, improve the fixed convenience of PVC hose, on the other hand, because the bracing piece makes with PVC hose assorted customization, if the PVC hose can not be the suit on the bracing piece, it is inconsistent with the standard to state the internal diameter of PVC hose, thereby remind the staff in time to adjust.
Drawings
FIG. 1 is a schematic illustration of an axially measured structure of the present utility model;
FIG. 2 is a schematic view of a first exploded view of the support pole and securing mechanism, etc.;
FIG. 3 is a schematic view of a second exploded view of the support pole and securing mechanism, etc.;
FIG. 4 is a schematic diagram of an exploded view of the structure of the test cone mechanism and mounting plate;
the reference numerals in the drawings: 1. a work table; 2. a support plate; 3. a screw rod; 4. a support rod; 5. a round hole; 6. a support; 7. a column; 8. a cross beam; 9. an electro-hydraulic cylinder; 10. a lifting plate; 11. a pressure sensor; 12. a mounting plate; 13. a button; 14. a controller; 15. a display screen; 16. a cross plate; 17. a telescopic rod; 18. a spring; 19. a pressing plate; 20. a V-shaped groove; 21. a connecting rod; 22. a pull handle; 23. a conical block; 24. a detection cone body; 25. a rotating rod; 26. a threaded portion.
Description of the embodiments
In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. This utility model may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Examples
As shown in fig. 1 and 2, the device for detecting the hardness of the PVC hose comprises a workbench 1, a support plate 2, a lead screw 3, a support rod 4 and a round hole 5, wherein the support plate 2 is arranged at the top end of the workbench 1, the lead screw 3 is arranged at the front end of the support plate 2, a threaded hole is formed in the rear end of the support rod 4, the support rod 4 is assembled with the lead screw 3 through a first threaded hole in a threaded manner, the round hole 5 is formed in the support rod 4, the device further comprises a detection mechanism and a fixing mechanism, the detection mechanism is arranged at the top end of the workbench 1, and the fixing mechanism is arranged at the front end of the support plate 2;
as shown in fig. 1 and 4, the detection mechanism comprises a support 6, a stand column 7, a cross beam 8, an electric hydraulic cylinder 9, a lifting plate 10, a pressure sensor 11, a mounting plate 12, a button 13, a controller 14, a display screen 15 and a detection cone mechanism, wherein two groups of supports 6 are arranged at the top end of the workbench 1, the stand columns 7 are respectively arranged at the top ends of the two groups of supports 6, the top ends of the two groups of stand columns 7 are both connected with the bottom end of the cross beam 8, the electric hydraulic cylinder 9 is arranged in the middle of the bottom end of the cross beam 8, the lifting plate 10 and the mounting plate 12 are arranged at the moving end of the bottom of the electric hydraulic cylinder 9, the pressure sensor 11 is arranged between the lifting plate 10 and the mounting plate 12, the controller 14 is arranged at the top end of the workbench 1, the button 13 and the display screen 15 are arranged on the controller 14, the pressure sensor 11 is electrically connected with the controller 14, a second threaded hole is arranged at the bottom end of the mounting plate 12, the detection cone mechanism is in threaded fit with the second threaded hole, and the second threaded hole coincides with the axis of the round hole 5;
as shown in fig. 1, 2 and 3, the front end of the support rod 4 is provided with a tapered block 23.
When the PVC hose is detected, the adaptive support rod 4 is selected according to the inner diameter of the PVC hose, the diameter of the support rod 4 is matched with the inner diameter of the PVC hose, a first threaded hole on the support rod 4 is matched with the lead screw 3, the circular hole 5 and the horizontal plane are simultaneously guaranteed to be in a vertical state, when the PVC hose is sleeved, the PVC hose is guided through the conical block 23, so that the PVC hose is quickly and conveniently sleeved on the outer side wall of the support rod 4, the support rod 4 is supported on the inner side of the PVC hose, the operation fixing mechanism is used for fixing the PVC hose under the cooperation of the support rod 4, after the PVC hose is fixed, the detection cone mechanism is assembled with the screw threads of the second threaded hole, the electric hydraulic cylinder 9 is started to stretch through the button 13, so that the lifting plate 10, the pressure sensor 11 and the mounting plate 12 are matched to drive the detection cone mechanism to detect the hardness of the PVC hose under the cooperation of the circular hole 5, and meanwhile, the pressure sensor 11 transmits the detected pressure value to the controller 14 and displays the pressure value through the display screen 15.
Examples
As shown in fig. 1 and 2, the device for detecting the hardness of the PVC hose comprises a workbench 1, a support plate 2, a lead screw 3, a support rod 4 and a round hole 5, wherein the support plate 2 is arranged at the top end of the workbench 1, the lead screw 3 is arranged at the front end of the support plate 2, a threaded hole is formed in the rear end of the support rod 4, the support rod 4 is assembled with the lead screw 3 through a first threaded hole in a threaded manner, the round hole 5 is formed in the support rod 4, the device further comprises a detection mechanism and a fixing mechanism, the detection mechanism is arranged at the top end of the workbench 1, and the fixing mechanism is arranged at the front end of the support plate 2;
as shown in fig. 1 and 4, the detection mechanism comprises a support 6, a stand column 7, a cross beam 8, an electric hydraulic cylinder 9, a lifting plate 10, a pressure sensor 11, a mounting plate 12, a button 13, a controller 14, a display screen 15 and a detection cone mechanism, wherein two groups of supports 6 are arranged at the top end of the workbench 1, the stand columns 7 are respectively arranged at the top ends of the two groups of supports 6, the top ends of the two groups of stand columns 7 are both connected with the bottom end of the cross beam 8, the electric hydraulic cylinder 9 is arranged in the middle of the bottom end of the cross beam 8, the lifting plate 10 and the mounting plate 12 are arranged at the moving end of the bottom of the electric hydraulic cylinder 9, the pressure sensor 11 is arranged between the lifting plate 10 and the mounting plate 12, the controller 14 is arranged at the top end of the workbench 1, the button 13 and the display screen 15 are arranged on the controller 14, the pressure sensor 11 is electrically connected with the controller 14, a second threaded hole is arranged at the bottom end of the mounting plate 12, the detection cone mechanism is in threaded fit with the second threaded hole, and the second threaded hole coincides with the axis of the round hole 5;
as shown in fig. 2 and 3, the fixing mechanism comprises a transverse plate 16, telescopic rods 17, springs 18, a tightening plate 19 and a V-shaped groove 20, wherein the transverse plate 16 is arranged at the front end of the supporting plate 2, the tightening plate 19 is arranged below the transverse plate 16, two groups of telescopic rods 17 and two groups of springs 18 are respectively arranged between the transverse plate 16 and the tightening plate 19, each group of springs 18 is respectively sleeved on the outer side of one group of telescopic rods 17, and the V-shaped groove 20 is arranged at the bottom end of the tightening plate 19;
as shown in fig. 2 and 3, the device further comprises a connecting rod 21 and a pull handle 22, wherein the bottom end of the connecting rod 21 is connected with the top end of the transverse plate 16, the top end of the connecting rod 21 extends to the upper part of the transverse plate 16, the connecting rod 21 is in sliding connection with the transverse plate 16, and the pull handle 22 is arranged at the top end of the connecting rod 21;
as shown in fig. 1, 2 and 3, the front end of the support rod 4 is provided with a conical block 23;
as shown in fig. 1 and 4, the detecting cone mechanism comprises a detecting cone body 24, a rotating rod 25 and a threaded portion 26, the threaded portion 26 is arranged at the top end of the detecting cone body 24, the threaded portion 26 is matched with a second threaded hole, and the rotating rod 25 is symmetrically arranged at the left end and the right end of the detecting cone body 24.
In this embodiment, when beginning to examine time of examining the PVC hose, according to the internal diameter of PVC hose, select the bracing piece 4 of looks adaptation, the diameter of bracing piece 4 and the internal diameter looks adaptation of PVC hose, then with the screw hole and the lead screw 3 looks adaptation on the bracing piece 4, guarantee simultaneously that round hole 5 and horizontal plane become the vertical state, when carrying out the suit in PVC hose, the staff pulls connecting rod 21 through pull handle 22, thereby make jack-up plate 19 rise, carry out the direction operation through tapered block 23, thereby make the quick convenient suit of PVC hose at the lateral wall of bracing piece 4, bracing piece 4 supports in the inboard of PVC hose, loosen pull handle 22, two sets of springs 18 drive jack-up plate 19 downwardly moving under the effect of two sets of telescopic links 17 elastic force respectively, thereby make V type groove 20 fix the lateral wall of PVC hose, the back that the PVC hose is fixed, the staff rotates detection cone body 24 through two sets of bull sticks 25, thereby make screw thread portion 26 and screw hole carry out the screw assembly, thereby realize the installation fixed of detection cone body 24, start electric hydraulic pressure cylinder 9 through button 13 and extend, thereby make lifter plate 10, 11 and 12 drive the pressure sensor 11 and detect cone body and carry out the measurement of pressure sensor and carry out the measurement of the hardness of pressure sensor 14 under the effect of measuring the pressure sensor, the pressure sensor is carried out the pressure sensor is 15 and the display screen is 15.
The screw rod 3, the support rod 4, the electric hydraulic cylinder 9, the pressure sensor 11, the controller 14 and the detection cone body 24 for the PVC hose hardness detection device are purchased in the market, and a person skilled in the art only needs to install and operate according to the attached use instruction without creative labor of the person skilled in the art.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.
Claims (7)
1. A be used for PVC hose hardness detection device, including workstation (1), backup pad (2), lead screw (3), bracing piece (4) and round hole (5), workstation (1) top is provided with backup pad (2), backup pad (2) front end is provided with lead screw (3), bracing piece (4) rear end is provided with the screw hole, bracing piece (4) are through screw hole and lead screw (3) screw assembly, be provided with round hole (5) on bracing piece (4), a serial communication port, still include detection mechanism and fixed establishment, detection mechanism sets up on workstation (1) top, fixed establishment installs in backup pad (2) front end.
2. The device for detecting the hardness of the PVC hose according to claim 1, wherein the detecting mechanism comprises a support (6), a stand column (7), a cross beam (8), an electric hydraulic cylinder (9), a lifting plate (10), a pressure sensor (11), a mounting plate (12), a button (13), a controller (14), a display screen (15) and a detection cone mechanism, two groups of supports (6) are arranged at the top end of the workbench (1), the stand columns (7) are respectively arranged at the top ends of the two groups of stand columns (6), the top ends of the two groups of stand columns (7) are connected with the bottom end of the cross beam (8), the electric hydraulic cylinder (9) is mounted at the middle of the bottom end of the cross beam (8), the lifting plate (10) and the mounting plate (12) are arranged at the bottom moving end of the electric hydraulic cylinder (9), the pressure sensor (11) is arranged between the lifting plate (10) and the mounting plate (12), the controller (14) is mounted at the top end of the workbench (1), the button (13) and the display screen (15) are arranged on the controller (14), the pressure sensor (11) is electrically connected with the controller (14), the bottom end of the mounting plate (12) is provided with a threaded hole, and the detection cone mechanism is provided with a threaded hole.
3. The device for detecting the hardness of the PVC hose according to claim 1, wherein the fixing mechanism comprises a transverse plate (16), telescopic rods (17), springs (18), a jacking plate (19) and V-shaped grooves (20), the transverse plate (16) is arranged at the front end of the supporting plate (2), the jacking plate (19) is arranged below the transverse plate (16), two groups of telescopic rods (17) and two groups of springs (18) are respectively arranged between the transverse plate (16) and the jacking plate (19), each group of springs (18) is respectively sleeved on the outer side of one group of telescopic rods (17), and the V-shaped grooves (20) are formed in the bottom end of the jacking plate (19).
4. A hardness testing device for PVC hose according to claim 3, further comprising a connecting rod (21) and a pull handle (22), wherein the bottom end of the connecting rod (21) is connected to the top end of the transverse plate (16), the top end of the connecting rod (21) extends to above the transverse plate (16), the connecting rod (21) is slidably connected to the transverse plate (16), and the pull handle (22) is provided at the top end of the connecting rod (21).
5. A hardness testing device for PVC hoses according to claim 1, further comprising a conical block (23), the front end of the support bar (4) being provided with the conical block (23).
6. The device for detecting the hardness of the PVC hose according to claim 2, wherein the detecting cone mechanism comprises a detecting cone body (24), a rotating rod (25) and a threaded portion (26), the threaded portion (26) is arranged at the top end of the detecting cone body (24), the threaded portion (26) is matched with the second threaded hole, and the rotating rod (25) is symmetrically arranged at the left end and the right end of the detecting cone body (24).
7. A hardness testing device for PVC hoses according to claim 3, wherein the V-groove (20) is provided with an anti-slip coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320617958.XU CN219625274U (en) | 2023-03-23 | 2023-03-23 | Hardness detection device for PVC hose |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320617958.XU CN219625274U (en) | 2023-03-23 | 2023-03-23 | Hardness detection device for PVC hose |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219625274U true CN219625274U (en) | 2023-09-01 |
Family
ID=87794813
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320617958.XU Active CN219625274U (en) | 2023-03-23 | 2023-03-23 | Hardness detection device for PVC hose |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219625274U (en) |
-
2023
- 2023-03-23 CN CN202320617958.XU patent/CN219625274U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11237221B2 (en) | Accurately positionable computer host power-on detection machine | |
| CN109765122B (en) | Automobile part bending resistance testing fixture and use method thereof | |
| CN207396202U (en) | A kind of high-strength bolt auxiliary connection bolt stretching resistance detection fixture | |
| CN219625274U (en) | Hardness detection device for PVC hose | |
| CN219455742U (en) | Electrician sleeve pipe compression testing machine | |
| CN219300375U (en) | Detection support for detecting straightness of drill rod | |
| CN216621779U (en) | Stripping force tester | |
| CN213301564U (en) | Torque wrench calibrator | |
| CN214924183U (en) | Part fixing device for mechanical detection | |
| CN211668757U (en) | Stress-strain tester | |
| CN212621435U (en) | Detection apparatus for mechanical seal uses | |
| CN110703024B (en) | Performance testing device for electric iron accessory | |
| CN211361968U (en) | Lens detects with detecting a maintenance mechanism | |
| CN219562778U (en) | Fixing mechanism | |
| CN218628975U (en) | Bearing life detection tool | |
| CN218330919U (en) | Nut processing detects frock with removing miscellaneous back surface hardness | |
| CN218546364U (en) | Sweater yarn tension detection device | |
| CN220772838U (en) | Precision cutter hardness testing device | |
| CN210571117U (en) | Tension detection device for electric spindle | |
| CN201072367Y (en) | Pressure testing device of water scraper | |
| CN220893194U (en) | Axial displacement measuring device | |
| CN209945910U (en) | Sclerometer convenient to fixed measurement thing | |
| CN221237552U (en) | Support frame with regulatory function | |
| CN220420064U (en) | Semi-automatic key function test machine | |
| CN220339892U (en) | Enameled wire elongation tester |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |