CN113310835A - Wear-resistant tester for protective gloves - Google Patents
Wear-resistant tester for protective gloves Download PDFInfo
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- CN113310835A CN113310835A CN202110746573.9A CN202110746573A CN113310835A CN 113310835 A CN113310835 A CN 113310835A CN 202110746573 A CN202110746573 A CN 202110746573A CN 113310835 A CN113310835 A CN 113310835A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/56—Investigating resistance to wear or abrasion
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0001—Type of application of the stress
- G01N2203/0005—Repeated or cyclic
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0026—Combination of several types of applied forces
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/005—Electromagnetic means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0058—Kind of property studied
- G01N2203/0069—Fatigue, creep, strain-stress relations or elastic constants
- G01N2203/0073—Fatigue
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Abstract
The invention discloses a wear-resistant tester for protective gloves, which comprises a test bed and an upright post, wherein the test bed comprises a test bed body; the first guide part is arranged on the upright post; a hand mold assembly mounted on the first guide portion; the hand die driving device is connected with the hand die assembly; the grabbing test device is arranged on the test bed; a grinding rod assembly mounted on the test bed; the grinding rod driving device is connected with the grinding rod assembly; the grinding rod assembly and the grinding rod driving device are connected with the test bed through a second guide part. The invention mainly aims at the wear-resistant tester of the thenar muscle (tiger's mouth) and the finger belly part of the protective glove, restores the state when in use under the actual working condition, and detects the performance of the protective glove closer to the real data.
Description
Technical Field
The invention relates to the technical field of protective glove detection, in particular to a wear-resistant tester for protective gloves.
Background
According to a wear resistance test method in the standard content of GB 24511 'hand protection mechanical hazard protection gloves', vulnerable parts of the protection gloves in the actual use process are summarized, and the main wear parts of the protection gloves are the thenar muscles (tiger mouths) and finger belly parts.
In the prior art, only the wear resistance test of fingers or the wear resistance test of palm cores is carried out, the difference between the given friction condition and the actual working condition is far, and the parameters such as the wear loss of the protective gloves cannot be tested, so that the accuracy of the wear resistance of the tested material is poor.
The existing testing machine can not provide wear-resistant testing conditions which are closer to the actual working conditions for the sample to be tested.
There is a need for a wear-resistant tester for protective gloves, which can perform wear-resistant test on the thenar muscle (tiger's mouth) and the finger belly part to verify whether the performance of the test product meets the requirements of the related national safety standard.
Disclosure of Invention
In order to solve the defects in the prior art, the invention provides the wear-resistant tester for the protective gloves, which can test the wear resistance of the thenar muscles (tiger mouths) and the finger bellies more closely to the actual use state and can test the wear resistance of the protective gloves more accurately.
The technical scheme of the invention is as follows:
the embodiment of the invention provides a wear-resistant tester for protective gloves, which comprises:
the device comprises a rack, a positioning device and a control device, wherein the rack comprises a test bed and an upright post arranged on the test bed;
a first guide part which is arranged in the upright column and moves up and down relative to the upright column;
the hand mold device is connected with the first guide part and can synchronously move along with the first guide part;
a second guide part mounted on the test bed;
the grinding rod testing device is connected with the second guide part and can horizontally move along the second guide part;
the grabbing test device is detachably connected to the test bed, and a plurality of wear-resistant test pieces for testing the wear resistance of a sample to be tested are arranged in the grabbing test device;
wherein, the hand former device includes:
the hand die assembly comprises a hand die with movable fingers and used for wearing a sample to be tested;
the hand die driving device is connected with the hand die assembly through the first guide part and is used for driving the hand die assembly to be inserted into the wear-resisting test piece in a vertical reciprocating mode;
the grinding rod testing device comprises:
the grinding rod assembly comprises a grinding rod and a rotary loading part for controlling the rotation of the grinding rod;
and the grinding rod driving device is connected with the grinding rod assembly and is used for driving the grinding rod to do reciprocating drawing motion in the hand die.
Further, the first guide portion includes:
the guide rod penetrates through the hand mold driving device, and the bottom end of the guide rod is connected with the test bed;
the linear bearing is arranged outside the guide rod and is in clearance fit with the guide rod;
the front end of the connecting flange is connected with the hand die assembly, and the rear end of the connecting flange is connected with the linear bearing;
the top of the lifting loading part is connected with the hand die driving device, the bottom of the lifting loading part is connected with the test bed, and the lifting loading part is used for driving the first guide part and the hand die device to move up and down.
Further, the lifting loading part is an air cylinder.
Furthermore, the hand die assembly also comprises a hand die fixing block connected with the hand die and a supporting device connected with one end of the hand die fixing block, and the supporting device penetrates through the connecting flange and is connected with the hand die driving device;
the hand model comprises a linkage connecting rod mechanism, a servo motor for controlling the linkage connecting rod mechanism to move, a force measuring sensor and a shell.
Furthermore, the second guide part comprises a convex slide rail and a concave slide rail which are matched with each other, the slide rail is arranged on the test bed, and the slide rails are respectively arranged at the bottom of the grinding rod assembly and the bottom of the grinding rod driving device;
the test bed further comprises a horizontal loading part, one end of the horizontal loading part is connected with the grinding rod driving device, and the other end of the horizontal loading part is connected with the test bed; the horizontal loading part is used for driving the grinding rod assembly and the grinding rod driving device to horizontally move along the second guide part.
Further, the hand mold driving device includes:
the first crank connecting rod mechanism is used for driving the hand die assembly to reciprocate up and down;
the grabbing motor is used for providing power for the movement of the first crank connecting rod mechanism;
the first crank connecting rod mechanism is provided with a vertical moving circulating cam, and the vertical moving circulating cam can reciprocate up and down.
Further, the grinding rod assembly further comprises:
the grinding rod fixing part is connected with the grinding rod and is connected with the test bed through the second guide part; the grinding rod is internally provided with a heating rod and a temperature sensor for detecting the temperature of the grinding rod;
the rotary loading part is arranged on the grinding rod fixing part and specifically is a rotary motor for providing power for the rotation of the grinding rod.
Further, the grinding rod driving device comprises:
the second crank connecting rod mechanism is used for driving the grinding rod to draw in the hand die;
the drawing motor is used for providing power for the movement of the second crank connecting rod mechanism;
one end of the second crank-link mechanism is provided with a horizontal moving circulating cam, and the horizontal moving circulating cam can horizontally reciprocate.
Further, the horizontal loading part is an air cylinder.
Furthermore, the grabbing test device is a basket-shaped container, and the built-in wear-resistant test piece is of a spherical structure; the grinding rod is a cylindrical metal rod.
The invention achieves the following beneficial effects:
compared with the prior art, the wear-resistant tester for the protective gloves, provided by the invention, provides a wear-resistant test specially aiming at the thenar muscle (tiger's mouth) and the finger belly part of the protective gloves, comprises a hand model with movable fingers, and is provided with a grinding rod testing device and a grabbing testing device, wherein the hand model can perform ball inserting and grabbing actions, the state of the protective gloves during use under actual working conditions is restored, and the performance of the protective gloves is detected more closely to real data.
Drawings
Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention.
Fig. 2 is an overall front view of an embodiment of the present invention.
FIG. 3 is a schematic structural diagram of an overall usage state of the device according to an embodiment of the present invention (with the grip testing apparatus removed).
FIG. 4 is a schematic front view of the overall usage status of the present invention (with the grab test apparatus removed).
Fig. 5 is a schematic structural diagram of a hand mold driving device according to an embodiment of the invention.
FIG. 6 is a schematic structural view of a burr driving apparatus according to an embodiment of the present invention.
In the figure, 100, the test stand; 200. a column; 210. a first connecting member; 300. supporting legs; 400. a hand mold device; 410. a hand mold assembly; 411. a hand model; 412. a hand die fixing block; 413. a support device; 420. a hand mold driving device; 421. a grabbing motor; 422. vertically moving the circulating cam; 430. a first sensor; 500. a first guide portion; 510. a connecting flange; 520. a guide bar; 530. a linear bearing; 540. a lifting loading part; 600. grabbing the testing device; 700. a grinding rod testing device; 710. a grinding rod assembly; 711. grinding a rod; 712. a grinding rod fixing seat; 713. a rotating electric machine; 720. a grinding rod driving device; 721. a pull motor; 722. a horizontally moving circulation cam; 723. a second connecting member; 730. a second sensor; 800. a second guide portion; 810. a slide rail; 820. a slideway; 830. a horizontal loading part.
Detailed Description
To facilitate an understanding of the present invention by those skilled in the art, specific embodiments thereof are described below with reference to the accompanying drawings.
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.
The terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the invention and for simplicity in description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
When an element is referred to as being "mounted on" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. When an element is referred to as being "secured to" another element, it can be directly secured to the other element or intervening elements may also be present.
It should be noted that the wear-resistant tester provided by the embodiment of the invention is mainly used for testing the wear resistance of protective gloves, and can also be used for testing the wear resistance of similar protective articles.
As shown in fig. 1 to 4, an embodiment of the present invention provides a wear-resistant tester for protective gloves, including a rack, where the rack includes a test bed 100 and a stand column 200 installed on the test bed 100;
a first guide part 500 which is provided in the column 200 and moves up and down with respect to the column 200;
a hand mold device 400 connected to the first guide part 500 and capable of moving synchronously with the first guide part 500;
a second guide portion 800;
a rod grinding test device 700 connected to the second guide part 800 and capable of moving horizontally along the second guide part 800;
the grabbing test device 600 is detachably connected to the test bed 100, and is internally provided with a plurality of wear-resistant test pieces for testing the wear resistance of a sample to be tested;
wherein the hand mold device 400 includes:
the hand module component 410 comprises a hand module 411 which can move fingers and is used for wearing a sample to be tested;
a hand mold driving device 420 mounted on the first guide part 500 and connected to the hand mold assembly 410, for driving the hand mold assembly 410 to be inserted into the wear-resistant test piece up and down;
the grinding bar testing apparatus 700 includes:
a grinding rod assembly 710 comprising a grinding rod 711 and a rotation loading part for controlling the rotation of the grinding rod 711;
the grinding rod driving device 720 is connected with the grinding rod assembly 710 and is used for driving the grinding rod 711 to do reciprocating drawing motion in the hand die 411;
in this embodiment, four supporting legs 300 and test bench 100 threaded connection all are equipped with the screw thread post on four supporting legs 300, and the position that test bench 100 corresponds sets up the screw hole, supporting leg 300's height-adjustable. In addition, the bottom of the support leg 300 is provided with a vibration isolator to reduce the influence of vibration generated by the operation of the equipment on the detection result during the detection process.
The column 200 is fixed to the test bed 100 by bolting. In this embodiment, the vertical column 200 comprises two parallel-arranged, plate-shaped high-precision metal vertical columns 200, which are arranged on one side of the test bed 100 in parallel, and a first connecting member 210 installed at the top of the vertical column 200, wherein the first connecting member 210 may be a rectangular plate-shaped structure. Of course, the structure of the column 200 is not limited thereto, and similar solutions may be substituted without affecting the purpose of the present invention.
In this embodiment, the first guiding portion 500 specifically includes a connecting flange 510, two high-precision guide rods 520 arranged in parallel, the upper ends of the guide rods 520 are connected to the first connecting member 210, the lower ends of the guide rods 520 are connected to the test bed 100, and a linear bearing 530 in clearance fit with the guide rods 520, the linear bearing 530 is fixedly connected to the rear end of the connecting flange 510, and the front end of the connecting flange 510 is connected to the hand module assembly 410. Of course, the structure of the first guide part 500 is not limited thereto, and may be replaced by similar schemes, without affecting the achievement of the object of the present invention.
The first guiding part 500 further includes a lifting loading part 540, the lifting loading part 540 may be an air cylinder, the top of the air cylinder, i.e., the telescopic arm of the air cylinder, is connected to the hand mold driving device 420 through a bolt, and the bottom of the air cylinder is connected to the test bed 100 through a bolt.
When the test bench is in a non-test state, the telescopic arm of the cylinder extends outwards, and the cylinder drives the first guide part 500 and the hand die device 400 to rise together, so that the sample to be tested is far away from the sample to be tested on the test bench 100. When a test is needed, the telescopic arm of the air cylinder is contracted, and the lifting loading part 540 drives the first guide part 500 and the hand mold assembly 410 to descend together, so that the sample to be tested approaches the grabbing test device 600 or the grinding rod test device 700 on the test bed 100 and reaches the position to be tested. Of course, the structure and the installation manner of the elevating loading unit 540 may be replaced by other schemes, and are not limited thereto.
A hand module assembly 410 is installed at the front end of the connection flange 510, the hand module assembly 410 includes a support device 413 connected to the connection flange 510, a hand module 411 whose fingers can move flexibly, and a hand module fixing block 412 disposed between the support device 413 and the hand module 411, the hand module fixing block 412 serving to detachably install the hand module 411. The hand mold 411 is internally provided with a servo motor and a force sensor for driving the fingers of the manipulator to move, and the hand mold 411 is wrapped by a shell made of plastic. Specifically, the manipulator of the flexible movable hand mold 411 may have a multi-link structure.
A hand mold driving device 420 is connected to the rear end of the connecting flange 510, as shown in fig. 5, the hand mold driving device 420 is a first crank link mechanism for driving the hand mold assembly 410 to reciprocate up and down, and a gripping motor 421 provides power for the movement of the first crank link mechanism. The first crank link mechanism is provided with a vertical moving circulating cam 422 near the hand die assembly 410, the grabbing motor 421 works to drive the vertical moving circulating cam 422 to reciprocate up and down, and the vertical moving circulating cam 422 moves to drive the hand die 411 to be repeatedly inserted into the grabbing testing device 600, so that the wear resistance test of the sample to be tested is performed.
In this embodiment, the supporting means 413 is connected to the hand mold driving means 420 through the connection flange 510, and specifically, the rear end of the connection flange 510 is connected to the vertical movement circulation cam 422 through the bolts so that the connection flange 510 is connected to the hand mold driving means 420, and the front end of the connection flange 510 is connected to the hand mold assembly 410, and when the grip motor 421 is activated, the vertical movement circulation cam 422 reciprocates up and down to drive the hand mold assembly 410 to move up and down together. Of course, the structure and installation manner of the hand model driving device 420 can be replaced by other schemes, and is not limited to this. The hand mold driving device 420 is provided with a first sensor 430 for measuring displacement.
In this embodiment, the grip test apparatus 600 includes a basket bolted to the test bed 100 and a ball placed in the basket, and the basket is installed just below the hand module assembly 410 for better testing. Specifically, the ball basket can be a ball basket, and the ball can be a phi 10 plastic ball coated with 180-mesh alumina. During testing, the hand model 411 covered with the sample to be tested is repeatedly inserted into the ball basket filled with the balls through the driving of the hand model driving device 420, and the wear resistance test is performed on the protective gloves, especially the wear resistance test on the finger belly parts of the protective gloves. Of course, the structure and the installation manner of the grabbing test device 600 may be replaced by other schemes, and are not limited thereto.
The grinding bar assembly 710 comprises a grinding bar 711 and a grinding bar fixing seat 712 for mounting the grinding bar 711, wherein the grinding bar 711 can rotate in the grinding bar fixing seat 712. In order to be closer to the actual working condition, a heating rod and a temperature sensor for detecting the temperature of the grinding rod 711 are arranged in the grinding rod 711. The heating temperature range of the grinding rod 711 can be set as follows: room temperature to 70 ℃. Specifically, be provided with the bearing between emery stick 711 and emery stick fixing base 712, emery stick 711 size: Φ 40 × 200, the grinding bar 711 is a round bar. The fixing part of the grinding rod 711 is also provided with a rotation loading part which provides power for the rotation of the grinding rod 711, and the rotation loading part can be a rotating motor 713. The grinding rod fixing seat 712 comprises a bottom plate and a grinding rod 711 fixing block arranged on the bottom plate, the grinding rod 711 fixing block is provided with a grinding rod 711, and the bottom of the bottom plate is provided with a slide 820. Of course, the structure and mounting of the bar assembly 710 may be replaced by other arrangements, and is not limited thereto.
A grinding rod driving device 720 is connected to the fixing member of the grinding rod 711, as shown in fig. 6, the grinding rod driving device 720 is used for driving the grinding rod 711 to perform a second crank link mechanism in a drawing motion in the hand mold 411, and the drawing motor 721 provides power for the motion of the second crank link mechanism. The second crank link mechanism and the part close to the grinding rod assembly 710 are provided with a horizontal moving circulating cam 722, and the horizontal moving circulating cam 722 can horizontally reciprocate, so that the grinding rod 711 is driven to repeatedly pull and draw in the hand die 411, and the purpose of performing wear resistance test on a sample to be tested is achieved. A second sensor 730 for measuring displacement is mounted on the burr driving device 720.
In this embodiment, the connection between the grinding bar assembly 710 and the grinding bar driving device 720 is bolted to the base plate on the grinding bar driving device 720 by a second connecting member 723 provided at the lower part of the horizontal moving circulation cam 722, and the second connecting member 723 is bolted to the horizontal moving circulation cam 722.
During testing, the hand model 411 sleeved with a sample to be tested holds the grinding rod 711, the grinding rod 711 can be repeatedly pulled and pulled in the hand model 411, the grinding rod 711 can rotate and increase friction force, and therefore wear resistance testing is conducted on the protective gloves, and particularly the wear resistance testing of the protective gloves at the thenar muscle (tiger mouth) is conducted. Of course, the structure and installation of the grinding rod driving device 720 can be replaced by other schemes, and is not limited to the above.
In this embodiment, the burr assembly 710 and the burr drive 720 connected thereto are connected to the test stand 100 via a second guide 800. The second guide part 800 comprises a convex slide rail 810 and a concave slide 820 which are matched with each other, the slide rail 810 is installed on the test bed 100, and the slide 820 is respectively installed at the bottom of the bottom plate of the grinding rod testing device 700 and the bottom of the grinding rod driving device 720. Of course, the structure and the installation manner of the second guide part 800 may be replaced by other schemes, and are not limited thereto.
The second guiding part 800 further comprises a horizontal loading part 830, the horizontal loading part 830 can be an air cylinder, a telescopic arm of the air cylinder is connected with the bottom of the grinding rod driving device 720 through a bolt, and a cylinder barrel of the air cylinder is connected with the test bed 100 through a bolt. The horizontal loading part 830 is used to drive the horizontal movement of the grinding bar assembly 710 and the grinding bar driving device 720 along the second guide part 800. Slots are provided at corresponding locations on the test stand 100 that do not interfere with the movement of the burr assembly 710 and burr drive 720.
Before testing, the grinding rod assembly 710 and the grinding rod driving device 720 need to be synchronously moved to the position to be tested, namely, the position close to the hand die 411, and after testing, the grinding rod assembly 710 and the grinding rod driving device 720 need to return to the original positions.
The wear-resistant tester for the protective gloves further comprises a controller, wherein the controller is electrically connected with the grabbing motor 421, the rotating motor 713, the drawing motor 721, the horizontal loading part 830, the lifting loading part 540, the first sensor 430 and the second sensor 730, the controller is also connected with a display, detected data are transmitted to the display, and the display is connected with a printer and can print the data.
The working process of the embodiment of the invention comprises the following steps:
it should be noted that the maximum outward extending stroke of the telescopic arm of the elevating loading unit 540 is defined as an upper limit, and the contracted position of the telescopic arm of the elevating loading unit 540 is defined as a lower limit.
And (3) grabbing test: the plastic ball coated with 180-mesh alumina is put into a ball basket, the ball basket is fixed on the test bed 100, and the bolt is screwed and fixed well. The hand model 411 is fixed on the hand model component 410, and the sample to be measured is worn. And setting parameters, namely setting a material grabbing period (for example, the time of one time of up-and-down circulation, 2-10s) and material grabbing times. The lifting loading part 540 drives the hand model 411 to automatically descend to the lower limit position, the grabbing motor 421 drives the hand model 411 to move up and down in the ball basket, the upper and lower times are a cycle, the grabbing times on the display are increased by one at the moment, the grabbing motor 421 stops until the grabbing of the set times is completed, and the hand model 411 automatically ascends to the upper limit position. And displaying a test report picture on the display, and automatically producing related measurement parameters by a report. The controller is connected with the printer and can export Excel files to the test reports and print the Excel files.
It should be noted that the maximum outward extending stroke of the telescopic arm of the horizontal loading unit 830 is defined as a left limit, and the contracted stroke of the telescopic arm of the horizontal loading unit 830 is defined as a right limit.
Stick holding test: will be provided with
The grinding bar 711 is fixed on the grinding bar fixing seat 712. The hand model 411 is fixed on the hand model component 410, and is electrified to wear a sample to be tested. Setting parameters, namely setting the temperature of the grinding rod 711, the rotating speed (5r/min-100r/min) of the grinding rod 711, the drawing speed (1mm/s-15mm/s), the drawing times and the hand opening frequency (namely drawing the hand for one time for several times). The horizontal loading part 830 drives the grinding rod 711 to move towards the hand mold 411 until a right limit is reached, the hand mold 411 automatically descends to a lower limit, the controller controls the hand mold 411 to tightly hold the grinding rod 711, the rotating motor 713 drives the grinding rod 711 to rotate, meanwhile, the drawing motor 721 drives the grinding rod 711 to draw left and right, the hand mold 411 opens once every drawing time (the hand opening frequency is set, for example, if 5 times are set, the drawing time is 5 times, the rotating motor 713 and the drawing motor 721 stop running, the hand mold 411 opens, the horizontal loading part 830 drives the grinding rod 711 to move towards the direction far away from the hand mold 411 until the left limit is reached, and the hand mold 411 rises to the upper limit. And displaying a test report picture on the display, and automatically producing related measurement parameters by a report. The controller is connected with the printer and can export Excel files to the test reports and print the Excel files.
The main technical parameters are as follows:
1. material grabbing frequency: 0.1HZ-0.5 HZ.
2. Material grabbing force: 0.25 kg.
3. Setting the material grabbing times: 0-999999 times can be set.
4. The size of the material particles is as follows: phi 10 plastic balls coated with 180 mesh alumina.
5. Grind bar 711 size: Φ 40 × 200, providing at least 2 surface materials:
(1) 180-mesh aluminum oxide is coated on the surface;
(2) original steel bars;
(3) other materials are coated on the surface according to actual needs.
6. Range of rotation speed of the grinding bar 711: 5r/min-50 r/min.
7. The range of the drawing speed of the grinding rod 711 is as follows: 1mm/s-15 mm/s;
drawing displacement: the 20mm hand-held grinding rod 711610 can be replaced.
8. Heating temperature range of the grinding rod 711: room temperature-70 ℃.
9. Temperature detection range of the grinding rod 711: 1 ℃ C.
The above-described embodiments of the present invention do not limit the scope of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (10)
1. The utility model provides a resistant tester of wearing of protective gloves which characterized in that includes:
the test bed comprises a frame, a positioning device and a control device, wherein the frame comprises a test bed (100) and a stand column (200) arranged on the test bed (100);
a first guide section (500) which is provided in the column (200) and moves up and down with respect to the column (200);
a hand mold device (400) connected to the first guide part (500) and capable of moving synchronously with the first guide part (500);
a second guide part (800) mounted on the test stand (100);
a rod grinding test device (700) connected with the second guide part (800) and capable of horizontally moving along the second guide part (800);
the grabbing test device (600) is detachably connected to the test bed (100), and a plurality of wear-resistant test pieces for testing the wear resistance of a sample to be tested are arranged in the grabbing test device (600);
wherein the hand mold device (400) comprises:
the hand model assembly (410), the hand model assembly (410) comprises a hand model (411) which can move fingers and is used for wearing a sample to be tested;
the hand die driving device (420) is connected with the hand die assembly (410) through the first guide part (500) and is used for driving the hand die assembly (410) to be inserted into a wear-resistant test piece in an up-and-down reciprocating mode;
the burr testing apparatus (700) includes:
a grinding bar assembly (710) comprising a grinding bar (711) and a rotational loading portion for controlling rotation of the grinding bar (711);
the grinding rod driving device (720) is connected with the grinding rod assembly (710) and is used for driving the grinding rod (711) to do reciprocating drawing motion in the hand die (411).
2. The protective glove donning resistance tester of claim 1, wherein the first guide (500) comprises:
the guide rod (520) penetrates through the hand model driving device (420), and the bottom end of the guide rod (520) is connected with the test bed (100);
a linear bearing (530) installed outside the guide rod (520) and in clearance fit with the guide rod (520);
a connecting flange (510), wherein the front end of the connecting flange (510) is connected with the hand die assembly (410), and the rear end of the connecting flange (510) is connected with the linear bearing (530);
the top of the lifting loading part (540) is connected with the hand model driving device (420), the bottom of the lifting loading part (540) is connected with the test bed (100), and the lifting loading part (540) is used for driving the first guide part (500) and the hand model device (400) to move up and down.
3. The wear tester for protective gloves according to claim 2, wherein the lifting loading part (540) is an air cylinder.
4. The wear-resistant tester for the protective gloves of claim 2, wherein the hand mold assembly (410) further comprises a hand mold fixing block (412) connected with the hand mold (411), a supporting device (413) connected with one end of the hand mold fixing block (412), the supporting device (413) passes through the connecting flange (510) and is connected with the hand mold driving device (420);
the hand model (411) comprises a linkage connecting rod mechanism, a servo motor for controlling the linkage connecting rod mechanism to move, a force measuring sensor and a shell.
5. The wear tester for protective gloves according to claim 1, wherein the second guide part (800) comprises a convex slide rail (810) and a concave slide rail (820), the convex slide rail (810) and the concave slide rail are cooperatively used, the slide rail (810) is installed on the test bed (100), and the slide rails (820) are respectively installed at the bottom of the grinding rod assembly (710) and the bottom of the grinding rod driving device (720);
the horizontal loading part (830), one end of the horizontal loading part (830) is connected with the grinding rod driving device (720), and the other end of the horizontal loading part (830) is connected with the test bed (100); the horizontal loading part (830) is used for driving the grinding rod assembly (710) and the grinding rod driving device (720) to horizontally move along the second guide part (800).
6. The wearable test meter for protective gloves according to claim 1, wherein the hand model driving means (420) comprises:
a first crank-link mechanism for driving the hand module assembly (410) to reciprocate up and down;
a grabbing motor (421) for providing power for the motion of the first crank-link mechanism;
the first crank connecting rod mechanism is provided with a vertical moving circulating cam (422), and the vertical moving circulating cam (422) can reciprocate up and down.
7. The protective glove donning resistance tester of claim 1, wherein the wand assembly (710) further comprises:
a grinding rod (711) fixing part connected with the grinding rod (711), wherein the grinding rod (711) fixing part is connected with the test bed (100) through the second guide part (800); a heating rod and a temperature sensor for detecting the temperature of the grinding rod (711) are arranged in the grinding rod (711);
the rotation loading part is arranged on the fixing part of the grinding rod (711), and is specifically a rotating motor (713) for providing power for the rotation of the grinding rod (711).
8. The protective glove donning resistance tester of claim 1, wherein the grinding bar drive (720) comprises:
the second crank connecting rod mechanism is used for driving the grinding rod (711) to do drawing motion in the hand die (411);
a pull motor (721) for powering the second crank linkage movement;
wherein, one end of the second crank connecting rod mechanism is provided with a horizontal moving circulating cam (722), and the horizontal moving circulating cam (722) can horizontally reciprocate.
9. The wear tester for protective gloves according to claim 5, wherein the horizontal loading unit (830) is an air cylinder.
10. The wear-resistant tester for the protective gloves according to claim 1, characterized in that the grabbing test device (600) is a basket-shaped container, and the built-in wear-resistant test piece is of a spherical structure; the grinding rod (711) is a cylindrical metal rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110746573.9A CN113310835A (en) | 2021-07-01 | 2021-07-01 | Wear-resistant tester for protective gloves |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110746573.9A CN113310835A (en) | 2021-07-01 | 2021-07-01 | Wear-resistant tester for protective gloves |
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| Publication Number | Publication Date |
|---|---|
| CN113310835A true CN113310835A (en) | 2021-08-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110746573.9A Pending CN113310835A (en) | 2021-07-01 | 2021-07-01 | Wear-resistant tester for protective gloves |
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| Country | Link |
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| CN (1) | CN113310835A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20220003631A1 (en) * | 2016-06-17 | 2022-01-06 | Kyur Innovative Technologies LLC | Apparatus and method for physical load testing |
| CN115979936A (en) * | 2023-03-17 | 2023-04-18 | 山东英科医疗制品有限公司 | Glove tiger's mouth detection device |
-
2021
- 2021-07-01 CN CN202110746573.9A patent/CN113310835A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20220003631A1 (en) * | 2016-06-17 | 2022-01-06 | Kyur Innovative Technologies LLC | Apparatus and method for physical load testing |
| CN115979936A (en) * | 2023-03-17 | 2023-04-18 | 山东英科医疗制品有限公司 | Glove tiger's mouth detection device |
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