CN111623971A - Device for detecting high-security cam lock - Google Patents
Device for detecting high-security cam lock Download PDFInfo
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- CN111623971A CN111623971A CN202010486963.2A CN202010486963A CN111623971A CN 111623971 A CN111623971 A CN 111623971A CN 202010486963 A CN202010486963 A CN 202010486963A CN 111623971 A CN111623971 A CN 111623971A
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- workbench
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
Abstract
The invention discloses a device for detecting a high-security cam lock, which comprises a workbench, wherein a ladder stand is arranged at one end of the workbench, and the device is characterized in that: the supporting device is characterized in that at least two supporting legs are symmetrically installed at the bottom end of the workbench, an electric power box is electrically installed on one side of one supporting leg, an installation table is welded on the upper surface of the workbench, the upper surface of the installation table is connected with a test board through a connecting plate, and a mounting hole is formed in the side wall of the test board in a penetrating mode. According to the invention, the pressing plate, the test plate and the pressing sheet are arranged, and the integrity of the device in a pressure measuring state is realized through multipoint correspondence, so that stable pressure measuring experience is brought to a user, and the integral pressure measuring efficiency of the device is improved; realize the accuse through exterior structure and press, detection device's that can be immediate when pressure produces whole state of exerting pressure brings stable pressure measurement experience for the user.
Description
Technical Field
The invention relates to the technical field of high-security cam lock detection equipment, in particular to a device for detecting a high-security cam lock.
Background
The cam lock is characterized in that a cam is directly translated from an English name CAMLOCK, the cam is very widely applied to a cam lock, a cam lock body consists of a lock head and a lock cylinder, and common cam locks mainly comprise a quincuncial spring lock, a blade cam lock, a triangular cam lock, a double-sided spring cam lock and an anti-theft cam lock mailbox lock, wherein the quincuncial spring lock refers to a lock nail of which the internal structure controls the transmission of the lock is a copper spring, has small and exquisite appearance, can be used for two hundred keys, can contain seven copper springs in the maximum size, can be used for tens of thousands of keys, has high safety performance, and is the most of locks for the current industry and commerce; the blade rotating tongue lock is characterized in that a lock nail of which the rotation is controlled by an internal structure is a metal blade, wherein the lock nail is a copper sheet and a stainless iron sheet which are the most common, and the rotating tongue lock has a simple structure and is easy to process and is often used in occasions such as a mail box lock, a file cabinet, a tool box and the like; the lock core of the triangular cam lock is in a shape of a solid triangle, a straight line or a square, the triangular cam lock is mainly made of zinc alloy, stainless steel is used in a small amount of occasions, and the triangular cam lock is widely applied to industrial equipment; the double-sided spring cam lock is made of zinc alloy or steel, and has the advantages of safe spring system, smooth hand feeling and high safety coefficient.
The main purpose of the rotating bolt lock is an anti-theft function, and the bolt plays a role in determining the anti-theft function, so that the overall quality of the bolt is closely concerned by consumers; the dead load of the end surface of the lock tongue of the cam lock is detected as the related dead load of the end surface, which means the force that the end surface of the lock tongue can bear, if the standard fails to reach the standard specified value, the bearing force of the end surface of the lock tongue is reduced, and the confidentiality of the lock body of the cam lock is poor, so that whether the dead load of the end surface of the lock tongue of the cam lock meets the standard is a point which is focused on by customers during acceptance, but in the prior art, a device for detecting the cam lock is not explicitly produced, the detection of the end surface of the lock tongue of the cam lock can only depend on universal detection equipment of a lock, but the universal detection equipment has pertinence and poor influence on detection efficiency when being applied; a single detection creates a resource consumption problem.
Disclosure of Invention
The invention aims to provide a device for detecting a high-security cam lock, which is characterized in that a test board arranged aiming at the cam lock is arranged, accurate pressure control is realized by using an electric power structure, the accuracy of a test result is improved while the efficiency is improved, the detection equipment which is annoying to a user is optimized, and high accuracy and high efficiency are brought to the user.
In order to achieve the purpose, the invention provides the following technical scheme: a device for detecting a high-security cam lock comprises a workbench, wherein a crawling ladder is placed at one end of the workbench, at least two supporting legs are symmetrically installed at the bottom end of the workbench, an electric power box is electrically installed on one side of one supporting leg, an installation table is welded on the upper surface of the workbench, the upper surface of the installation table is connected with a test board through a connecting plate, and installation holes are formed in the side wall of the test board in a penetrating mode; the rear part of the workbench is symmetrically provided with mounting plates through screws, the bottom surface of each mounting plate is attached to the ground, an adjusting keyboard is mounted on the side surface of each mounting plate, and a display screen is electrically embedded in the surface of each adjusting keyboard; the upper surface of the mounting plate is respectively and vertically provided with a connecting column, a connecting plate is vertically arranged between the two connecting columns, and the upper surface of the connecting plate is provided with a hydraulic push rod; the front end of the hydraulic push rod is connected to the surface of one side of the pressing plate through the connecting slot, the pressing plate is fixed to the surface of the other side of the pressing plate through the matching buckle, and one side of the pressing plate is electrically provided with a pressure sensor; the surface of one side of the pressing sheet is connected with a top column through a buckle structure; the power box is characterized in that at least one PLC is electrically installed inside the power box, the input end of the PLC is connected with a pressure sensor through a wire, the output end of the PLC is connected with a hydraulic push rod through a driving module, and the power port of the PLC is connected with an external control power supply through a voltage stabilizing module.
The testing board is made of stainless steel with a rectangular structure, mounting holes for mounting the spring bolt lock to be tested are uniformly formed in the surface of the testing board, and the bottom end of the testing board is connected with the connecting plate through a screw structure; the mounting holes are formed in a circular structure, the linear distance between every two adjacent transverse mounting holes cannot be less than 6cm, every two adjacent vertical mounting holes cannot be less than 10cm, and each mounting hole corresponds to one pressing sheet.
The mounting table is made of rectangular stainless steel, threaded holes for connecting the connecting joint plates are formed in the surface of the mounting table in a penetrating mode, and the length and the width of the mounting table are respectively equal to those of the connecting joint plates; the workstation adopts rectangle stainless steel, has seted up a rectangle recess in the side reply scale of workstation and has been convenient for the user to observe the cam lock testing result.
The pressing plate is made of stainless steel with the same structure as the test plate, the central point of the pressing plate and the central point of the test plate are positioned on the same horizontal line, and the surface of one side of the pressing plate is provided with circular openings with the same number as the mounting holes for mounting pressing sheets in a penetrating manner; the preforming adopts the carbon alloy steel with the same structure of cam lock spring bolt, and the thickness of preforming must not be less than 3cm, and the round hole that supplies collocation buckle to pass is seted up to the bottom of preforming, and the size of preforming changes according to the spring bolt size on test board surface.
The buckle structure adopts circular kettle stopper structure plastic, and buckle structure's front end integrated into one piece has the column fore-set, and buckle structure adopts the symmetry fixed, and buckle structure's quantity is two at least and buckle structure should have at least an adhesion in the rear end of collocation buckle.
The connecting plate is made of stainless steel with a plate-shaped structure, and the central point of the connecting plate and the central point of the bottom end face of the hydraulic push rod are positioned on the same horizontal line; the hydraulic push rod is an IP800 type hydraulic push rod, the central point of the hydraulic push rod is attached to the central point of the connecting groove, and the hydraulic push rod controls the applied pressure through a pressure sensor; the pressure sensor adopts a T521 type pressure sensor; and the adjusting keyboard and the display screen are respectively selected from a TG1300 model pressure transmitter and a matched display screen.
The PLC is a Siemens S7-200 programmable PLC, a programming port of the PLC can be externally connected with a professional programming controller for programming setting of professional technicians, the driving module adopts an L298N type driving module, and the voltage stabilizing module adopts an LM2576 type voltage stabilizing module.
Compared with the prior art, the invention has the following beneficial effects:
1. the device for detecting the high-security cam lock provides a place for testing the cam lock through the targeted structure, and brings stable and attached detection experience for a user; the problem of poor test experience caused by adopting a universal structure for testing in the conventional structure is solved; the device is improved through multipoint installation, rapid measurement is realized under the certain sampling condition, and the detection efficiency is improved.
2. The device for detecting the high-security rotating-tongue lock realizes instant pressure interruption through intelligent pressure control, avoids the defect that the result is not accurate due to pressure errors in the test process of the lock tongue, and optimizes the accuracy of the device; the pressure control degree of the device is realized through real-time detection and overall regulation, and the use convenience of the device is improved.
Drawings
FIG. 1 is a schematic structural view of a seamless steel pipe processing apparatus according to the present invention;
FIG. 2 is a schematic diagram of the surface structure of an internal test board according to the present invention;
FIG. 3 is a schematic view of the inner surface structure of the inner pressure plate according to the present invention;
FIG. 4 is a schematic view of the outer surface structure of the internal pressure plate of the present invention;
FIG. 5 is a schematic view of an internal wafer of the present invention;
FIG. 6 is a schematic top view of the inner table of the present invention;
FIG. 7 is a side view of the internal mounting plate of the present invention.
In the figure: 1-workbench, 2-ladder stand, 3-supporting legs, 4-testing board, 5-pressing board, 6-pressing board, 61-top column, 62-buckle structure, 7-mounting board, 8-connecting column, 9-adjusting keyboard, 10-display screen, 11-hydraulic push rod, 12-pressure sensor, 13-mounting platform, 14-mounting hole, 15-connecting board, 16-power box, 17-matching buckle, 18-connecting board and 19-connecting groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be configured in a specific orientation, and operate, 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. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
A device for detecting a high-security cam lock comprises a workbench 1, wherein a ladder 2 is arranged at one end of the workbench 1, at least two supporting legs 3 are symmetrically arranged at the bottom end of the workbench 1, an electric power box 16 is electrically arranged on one side of one supporting leg 3, an installation platform 13 is welded on the upper surface of the workbench 1, the upper surface of the installation platform 13 is connected with a test board 4 through a connecting plate 15, and an installation hole 14 is formed in the side wall of the test board 4 in a penetrating manner; the rear part of the workbench 1 is symmetrically provided with mounting plates 7 through screws, the bottom surface of each mounting plate 7 is attached to the ground, an adjusting keyboard 9 is mounted on the side surface of each mounting plate 7, and a display screen 10 is electrically embedded on the surface of each adjusting keyboard 9; the upper surface of the mounting plate 7 is respectively vertically provided with a connecting column 8, a connecting plate 18 is vertically arranged between the two connecting columns 8, and the upper surface of the connecting plate 18 is provided with a hydraulic push rod 11; the front end of the hydraulic push rod 11 is connected to one side surface of the pressing plate 5 through a connecting slot 19, the pressing plate 6 is fixed on the other side surface of the pressing plate 5 through a matching buckle 17, and a pressure sensor 12 is electrically mounted on one side of the pressing plate 6; one side surface of the pressing sheet 6 is connected with a top column 61 through a buckle structure 62; at least one PLC is electrically installed in the power box 16, a pressure sensor is connected to the input end of the PLC through a wire, a hydraulic push rod 11 is connected to the output end of the PLC through a driving module, and an external control power supply is connected to the power supply port of the PLC through a voltage stabilizing module.
The testing board 4 is made of stainless steel with a rectangular structure, mounting holes 14 for mounting the tumbler locks to be tested are uniformly formed in the surface of the testing board 4, and the bottom end of the testing board 4 is connected with a connecting plate 15 through a screw structure; the mounting holes 14 are formed in a circular structure, the linear distance between every two adjacent mounting holes 14 in the transverse direction cannot be less than 6cm, every two adjacent mounting holes 14 in the vertical direction cannot be less than 10cm, and the rear of each mounting hole 14 corresponds to a matching buckle 17.
The mounting table 13 is made of rectangular stainless steel, a threaded hole for connecting the connecting joint plate 15 is formed in the surface of the mounting table 13 in a penetrating mode, and the length and the width of the mounting table 13 are respectively equal to those of the connecting joint plate 15; the workbench 1 is made of rectangular stainless steel, and rectangular grooves are symmetrically formed in the side edge of the workbench 1, so that a user can observe a detection result of the cam lock conveniently.
The pressing plate 5 is made of stainless steel with the same structure as the test plate 4, the central point of the pressing plate 5 and the central point of the test plate 4 are positioned on the same horizontal line, and the surface of one side of the pressing plate 5 is provided with circular openings with the same number as the mounting holes 14 for mounting the pressing sheets 6; the pressing sheet 6 is made of carbon alloy steel with the same structure as the spring bolt of the cam lock, the thickness of the pressing sheet 6 is not less than 3cm, a round hole for the matching buckle 17 to pass through is formed in the bottom end of the pressing sheet 6, and the size of the pressing sheet 6 is changed according to the size of the spring bolt on the surface of the test board 4.
The connecting plate 18 is made of stainless steel with a plate-shaped structure, and the central point of the connecting plate 18 and the central point of the bottom end face of the hydraulic push rod 11 are positioned on a horizontal line; the hydraulic push rod 11 adopts an IP800 type hydraulic push rod, the central point of the hydraulic push rod 11 is attached to the central point of the connecting slot 19, and the hydraulic push rod 11 controls the applied pressure through the pressure sensor 12; the pressure sensor 12 adopts a T521 type pressure sensor; the adjusting keyboard 9 and the display screen 10 are respectively selected from a TG1300 model pressure transmitter and a matched display screen.
The PLC is a Siemens S7-200 programmable PLC, a programming port of the PLC can be externally connected with a professional programming controller for programming setting of professional technicians, the driving module adopts an L298N type driving module, and the voltage stabilizing module adopts an LM2576 type voltage stabilizing module.
All parts used in the application document are standard parts, the specific connection mode of all parts adopts conventional means such as mature bolts, welding and the like in the prior art, the conventional models in the prior art are adopted for mechanical equipment, parts and electrical equipment, the conventional connection mode in the prior art is adopted for circuit connection, and detailed description is not given here
The invention relates to a device for detecting a high-security cam lock, which is characterized in that the internal programming of the device needs to be carried out by professional technicians, the device can be put into use after the programming and the test are finished and the normal operation can be carried out, the device is connected with an external control power supply, samples of the cam lock to be detected are sequentially arranged on the surface of a test board 4, a pressing sheet 6 corresponding to the structure of the cam lock to be detected is buckled on the surface of a pressing plate 5, then the external control power supply is controlled to be connected, the integral pressure application degree of a hydraulic push rod 11 is adjusted through an external adjusting keyboard 9, the final pressure setting result is displayed through a display screen 10, after the external control power supply is connected, the hydraulic push rod 11 moves forwards to contact the cam lock on the surface of the test board 4, a pressure sensor 12 senses the pressure application value of the hydraulic push rod 11 in real time, after the pressure reaches, after pressure is accomplished, the user controls when carrying on by oneself, after detecting the completion, break the external control power supply, hydraulic rod 11 resets, it leaves the surface of surveying test panel 4 to execute clamp plate 5, the user surveys test panel 4 surface through the recess intuitional detection on workstation 1 surface and waits to detect the spring bolt state and the record result, can realize the spring bolt and detect, under the spring bolt detects and loads, the spring bolt of reply different specifications can adjust according to preforming 6 of difference, preforming 6 takes out the back through collocation buckle 17, the preforming 6 of choosing the phase-match specification can realize the replacement buckle through end knot 61 and buckle structure 62, and survey test panel 4 replacement through the screw structure and can begin to detect once more again for the survey test panel of the same matching, the testable various spring bolts of this device, more can improve the whole use experience of device.
In summary, the following steps: according to the device for detecting the high-security cam lock, the test board 4, the pressing board 5, the pressing sheet 6 and the hydraulic push rod 11 are arranged, so that intelligent control pressure transmission is realized, pressure is cut off in time, accurate pressure control is realized for testing the lock tongue, and the overall accuracy degree of the device is improved; the integral attaching degree of the device is realized by replacing the structure, the integral use performance of the device is optimized, and the detection efficiency of the device is improved; through the whole effect that the bolt tolerance can more audio-visually be detected out in whole detection, the whole intuitionistic nature of device is improved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a detect device of high secret cam lock, includes workstation (1), has placed cat ladder (2), its characterized in that at the one end of workstation (1): the bottom end of the workbench (1) is symmetrically provided with at least two supporting legs (3), one side of one supporting leg (3) is electrically provided with a power box (16), the upper surface of the workbench (1) is welded with an installation platform (13), the upper surface of the installation platform (13) is connected with a test board (4) through a connecting plate (15), and the side wall of the test board (4) is provided with a mounting hole (14) in a penetrating manner; the rear part of the workbench (1) is symmetrically provided with mounting plates (7) through screws, the bottom surface of each mounting plate (7) is attached to the ground, an adjusting keyboard (9) is mounted on the side surface of each mounting plate (7), and a display screen (10) is electrically embedded in the surface of each adjusting keyboard (9); the upper surface of the mounting plate (7) is respectively and vertically provided with a connecting column (8), a connecting plate (18) is vertically arranged between the two connecting columns (8), and the upper surface of the connecting plate (18) is provided with a hydraulic push rod (11); the front end of the hydraulic push rod (11) is connected to one side surface of the pressing plate (5) through a connecting slot (19), the pressing plate (6) is fixed to the other side surface of the pressing plate (5) through a matching buckle (17), and one side of the pressing plate (6) is electrically provided with a pressure sensor (12); one side surface of the pressing sheet (6) is connected with a top column (61) through a buckle structure (62); the power supply comprises an electric box (16), wherein the electric box is provided with at least one PLC, the input end of the PLC is connected with a pressure sensor through a wire, the output end of the PLC is connected with a hydraulic push rod (11) through a driving module, and the power supply port of the PLC is connected with an external control power supply through a voltage stabilizing module.
2. The apparatus for testing high security cam locks of claim 1, wherein: the testing plate (4) is made of stainless steel with a rectangular structure, mounting holes (14) for mounting the spring bolt lock to be tested are uniformly formed in the surface of the testing plate (4), and the bottom end of the testing plate (4) is connected with a connecting plate (15) through a screw structure; the mounting holes (14) are provided with holes in a circular structure, the linear distance between every two adjacent transverse mounting holes (14) cannot be less than 6cm, every two adjacent vertical mounting holes (14) cannot be less than 10cm, and the rear of each mounting hole (14) corresponds to a matching buckle (17) respectively.
3. The apparatus for testing high security cam locks of claim 1, wherein: the mounting table (13) is made of rectangular stainless steel, a threaded hole for connecting the connecting joint plate (15) penetrates through the surface of the mounting table (13), and the length and the width of the mounting table (13) are respectively equal to those of the connecting joint plate (15); the workbench (1) is made of rectangular stainless steel, and rectangular grooves are symmetrically formed in the side edge of the workbench (1) to facilitate a user to observe a detection result of the cam lock.
4. The apparatus for testing high security cam locks of claim 1, wherein: the pressing plate (5) is made of stainless steel with the same structure as the test plate (4), the central point of the pressing plate (5) and the central point of the test plate (4) are located on the same horizontal line, and the surface of one side of the pressing plate (5) is provided with circular holes with the same number as the mounting holes (14) for mounting pressing sheets (6); the pressing sheet (6) is made of carbon alloy steel with the same structure as the spring bolt of the rotating tongue lock, the thickness of the pressing sheet (6) is not less than 3cm, a round hole for the matching buckle (17) to pass through is formed in the bottom end of the pressing sheet (6), and the size of the pressing sheet (6) is changed according to the size of the spring bolt on the surface of the test board (4).
5. The apparatus for testing high security cam locks of claim 1, wherein: buckle structure (62) adopt circular kettle to fill in the structure plastic, and the front end integrated into one piece of buckle structure (62) has column fore-set (61), and buckle structure (62) adopt the symmetry to fix, and the quantity of buckle structure (62) is two at least and buckle structure (62) should have at least one adhesion in the rear end of collocation buckle (17).
6. The apparatus for testing high security cam locks of claim 1, wherein: the connecting plate (18) is made of stainless steel with a plate-shaped structure, and the central point of the connecting plate (18) and the central point of the bottom end face of the hydraulic push rod (11) are positioned on a horizontal line; the hydraulic push rod (11) adopts an IP800 type hydraulic push rod, the central point of the hydraulic push rod (11) is attached to the central point of the connecting slot (19), and the hydraulic push rod (11) controls the applied pressure through the pressure sensor (12); the pressure sensor (12) adopts a T521 type pressure sensor; and the adjusting keyboard (9) and the display screen (10) are respectively selected from a TG1300 model pressure transmitter and a matched display screen.
7. The apparatus for testing high security cam locks of claim 1, wherein: the PLC is a Siemens S7-200 programmable PLC, a programming port of the PLC can be externally connected with a professional programming controller for programming setting of professional technicians, the driving module adopts an L298N type driving module, and the voltage stabilizing module adopts an LM2576 type voltage stabilizing module.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010486963.2A CN111623971B (en) | 2020-06-02 | 2020-06-02 | Device for detecting high-security cam lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010486963.2A CN111623971B (en) | 2020-06-02 | 2020-06-02 | Device for detecting high-security cam lock |
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| CN111623971A true CN111623971A (en) | 2020-09-04 |
| CN111623971B CN111623971B (en) | 2021-12-10 |
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| CN202010486963.2A Active CN111623971B (en) | 2020-06-02 | 2020-06-02 | Device for detecting high-security cam lock |
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| CN207366601U (en) * | 2017-09-30 | 2018-05-15 | 芜湖欣宏电子科技有限公司 | A kind of measurement jig with automatic positoning test function |
| CN207866474U (en) * | 2017-12-26 | 2018-09-14 | 东莞市亿佰金属制品有限公司 | A kind of compressed spring fatigue tester |
| CN208902390U (en) * | 2018-09-03 | 2019-05-24 | 合肥红庄机电有限公司 | A kind of improved auto-parts rigidity detection device |
| CN210071299U (en) * | 2019-05-31 | 2020-02-14 | 恒银金融科技股份有限公司 | Service life testing machine for cam lock |
| CN210108713U (en) * | 2019-08-14 | 2020-02-21 | 昆山市永泰机械工贸有限公司 | Container lock strength test tool |
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2020
- 2020-06-02 CN CN202010486963.2A patent/CN111623971B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000180306A (en) * | 1998-12-16 | 2000-06-30 | Meidensha Corp | Method and device for testing parking mechanism of automatic transmission |
| CN205679482U (en) * | 2016-05-25 | 2016-11-09 | 零八一电子集团四川天源机械有限公司 | Camshaft oilhole plug pressure proof performance detection device |
| CN207366601U (en) * | 2017-09-30 | 2018-05-15 | 芜湖欣宏电子科技有限公司 | A kind of measurement jig with automatic positoning test function |
| CN207866474U (en) * | 2017-12-26 | 2018-09-14 | 东莞市亿佰金属制品有限公司 | A kind of compressed spring fatigue tester |
| CN208902390U (en) * | 2018-09-03 | 2019-05-24 | 合肥红庄机电有限公司 | A kind of improved auto-parts rigidity detection device |
| CN210071299U (en) * | 2019-05-31 | 2020-02-14 | 恒银金融科技股份有限公司 | Service life testing machine for cam lock |
| CN210108713U (en) * | 2019-08-14 | 2020-02-21 | 昆山市永泰机械工贸有限公司 | Container lock strength test tool |
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| CN111623971B (en) | 2021-12-10 |
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