CN213689229U

CN213689229U - Metal plate anti-deformation performance testing device

Info

Publication number: CN213689229U
Application number: CN202022509757.7U
Authority: CN
Inventors: 刘旭东; 阳秋红
Original assignee: Beijing Hangba Chengcheng Testing Technology Co ltd
Current assignee: Beijing Hangba Chengcheng Testing Technology Co ltd
Priority date: 2020-11-03
Filing date: 2020-11-03
Publication date: 2021-07-13
Anticipated expiration: 2030-11-03

Abstract

The application relates to a metal plate anti-deformation performance testing device, which comprises a testing box and a box door, wherein a fixing device is arranged in the testing box and used for horizontally supporting a metal plate to be tested, a pressing device is arranged on the top wall of the testing box and located below the pressing device, a measuring device located below the fixing device is arranged on the bottom wall of the testing box and comprises a transmission mechanism, a balance rod, a pointer and a supporting rod, the supporting rod is located on the bottom wall of the testing box and rotationally connected with the supporting rod, the transmission mechanism is used for abutting against the middle position of the lower end face of the metal plate to be tested and is hinged with one end of the balance rod, the pointer is vertically arranged and is hinged with the other end of the balance rod, a scale pipe for the pointer to vertically slide is vertically arranged on the bottom wall of the testing box, the method and the device have the effects of facilitating the recording of accurate measurement values and improving the test precision by workers.

Description

Metal plate anti-deformation performance testing device

Technical Field

The utility model relates to a resistance to deformation capability test device field especially relates to a metal sheet resistance to deformation capability test device.

Background

The anti-deformation performance testing device is mainly used for detecting the bending strength of products and judging the compression resistance of the products, and is the most direct testing instrument for detecting the compression resistance.

Chinese patent CN209673547U discloses a device for testing the deformation resistance of a metal plate, which comprises a test board, wherein a tool clamp and a jacking mechanism are arranged on the test board; the tooling clamp comprises a cushion block, a stud and a base plate which are arranged on the test board, a pressure tongue is fixed at the upper end of the cushion block, the stud is located between the cushion block and the base plate, the upper end of the stud extends out of a vertical hole of the pressure tongue and is sleeved with an adjusting nut, and the edge of a metal plate is placed on the base plate and is pressed at the lower end of the pressure tongue.

In the prior art, when the deformation resistance of the metal plate to be tested is tested, a jacking mechanism is used for applying pressure to the metal plate to be tested and pressing the metal plate to be tested to deform, and then a worker manually measures and records the deformation of the metal plate, so that the deformation resistance of the metal plate is tested. Since there are usually errors in manual measurement, the accumulation of a large number of errors will affect the detection accuracy and need to be improved.

SUMMERY OF THE UTILITY MODEL

In order to improve testing arrangement's measurement accuracy, this application provides a metal sheet resistance to deformation capability test device.

The application provides a metal sheet resistance to deformation capability test device adopts following technical scheme:

the utility model provides a metal sheet resistance to deformation capability test device, includes test box and chamber door, be provided with fixing device in the test box, fixing device is used for the horizontal bearing of metal sheet that awaits measuring, be provided with pressure device on the roof of test box, fixing device is located pressure device below, be provided with on the test box diapire and be located the measuring device of fixing device below, measuring device includes drive mechanism, balancing pole, pointer and bracing piece, the bracing piece is located the diapire of test box, the balancing pole rotates to be connected in the bracing piece, drive mechanism is used for contradicting the middle part position of the metal sheet terminal surface under awaiting measuring, and articulates with one of them end of balancing pole mutually, the pointer is vertical setting, and articulates with the other end of balancing pole mutually, the vertical scale pipe that supplies the vertical slip of pointer that is provided with of test box diapire.

Through adopting above-mentioned technical scheme, when the resistance to deformation performance of metal sheet that awaits measuring needs to be tested, the staff will await measuring the metal sheet and fix on fixing device, then through starting biasing means, biasing means can extrude the metal sheet that awaits measuring. When the metal plate to be tested generates deformation, the metal plate to be tested pushes the transmission mechanism to move downwards, the transmission mechanism drives one end, connected with the balance rod, of the balance rod to turn downwards, meanwhile, the other end of the balance rod tilts upwards, and therefore the balance rod drives the pointer to slide upwards along the inner wall of the scale tube. And finally, the deformation of the metal plate to be measured is accurately calculated by observing and recording scale reading on the scale tube by a worker. Therefore, the measuring device with the lever principle is controlled to work by utilizing the self deformation of the metal plate to be measured, and the measuring result is amplified, so that the accurate measuring value can be conveniently recorded by a worker, and the improvement of the testing precision is facilitated.

Preferably, fixing device includes a pair of spout, two the spout all is the U type, and the opening sets up relatively, the spout supplies the metal sheet both sides embedding that awaits measuring.

Through adopting above-mentioned technical scheme, when fixing the metal sheet that awaits measuring, in inserting the spout with the both sides of the metal sheet that awaits measuring, realize the fixed of metal sheet that awaits measuring, consequently succinct through the structure to job stabilization's fixing device realizes the quick fixed of metal sheet that awaits measuring, improves testing arrangement's detection efficiency.

Preferably, a pressing plate is horizontally arranged in the sliding groove and used for pressing the metal plate to be tested, a bolt is connected to the sliding groove in a vertical threaded mode, and the lower end of the bolt is rotatably connected with the pressing plate.

Through adopting above-mentioned technical scheme, through being provided with the pressure strip in the spout, after the staff will await measuring the metal sheet embedding spout, drive the pressure strip through rotatory bolt and compress tightly the metalwork that awaits measuring, increase the stability of the pressure strip that awaits measuring, help improving testing arrangement's measuring accuracy.

Preferably, a rubber pad is arranged on the lower end face of the pressing plate.

Through adopting above-mentioned technical scheme, when fixed metal sheet that awaits measuring, through set up the rubber pad at the pressure strip lower extreme, there is the effect on protection metal sheet surface that awaits measuring, avoids causing the metal sheet damage that awaits measuring.

Preferably, the transmission mechanism comprises a vertically arranged transmission rod and a horizontally arranged balance plate, the lower end of the transmission rod is hinged to the balance rod, the balance plate is fixed at one end, back to the balance rod, of the transmission rod, and the balance plate is used for being in contact with the metal plate to be tested.

Through adopting above-mentioned technical scheme, through setting up the balance plate at the transfer line towards the one end of the metal sheet that awaits measuring, the balance plate contacts completely with a metal sheet side that awaits measuring, when the metal sheet takes place the limit and warp, the biggest point that takes place deformation can contact with the balance plate, then the balance plate passes through the balance bar with the biggest deformation volume and transmits the pointer for, helps improving the precision that testing arrangement tested the metal sheet that awaits measuring.

Preferably, the pointer includes needle bar and syringe needle, needle bar one end is articulated with the balancing pole, the syringe needle is the convergent form from top to bottom, the pointer upper end is connected with the needle bar one end dorsad balancing pole.

Through adopting above-mentioned technical scheme, constitute the pointer jointly through setting up needle bar and syringe needle to utilize the syringe needle to instruct numerical value on the scale mark pipe, make things convenient for the staff to observe and take notes the indicating position of pointer, make the reading more convenient and accurate, improve testing arrangement's detection precision.

Preferably, the box door is provided with an observation hole, and the observation hole corresponds to the position of the graduated tube.

Through adopting above-mentioned technical scheme, through setting up the observation hole on the chamber door, the staff can be under the condition of closing the chamber door, reads the real-time displacement volume of syringe needle, has the staff of being convenient for and reads data effect.

Preferably, a fluorescent sheet is embedded in the surface of the needle head.

Through adopting above-mentioned technical scheme, when the testing arrangement chamber door was closed, because inside light is more weak, be not convenient for read the relative displacement variation that pointer and scale mark pipe took place at the staff, consequently through set up the fluorescence piece on the pointer, send fluorescence through the fluorescence piece, the staff of being convenient for reads data, helps improving measuring device's precision.

In summary, the present application includes at least one of the following beneficial technical effects:

1. by arranging the measuring device which is simple in structure and stable in work, the measuring device amplifies the measuring result, so that a worker can conveniently record an accurate measuring value, and the measuring precision is improved;

2. through the fixing device which is simple in structure and stable in work, the metal plate to be tested is quickly fixed, and the detection efficiency of the testing device is improved;

3. the pressing plate is driven to press the metal piece to be tested through the rotating bolt, so that the stability of the pressing plate to be tested is improved, and the testing precision of the testing device is improved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 2 is a cross-sectional view taken along the height of the test chamber in accordance with an embodiment of the present application;

FIG. 3 is an enlarged view of a portion of FIG. 2 at B;

FIG. 4 is an enlarged view of a portion of FIG. 1 at A;

fig. 5 is a partially enlarged view at C in fig. 2.

Description of reference numerals: 1. a test box; 11. a pressure applying device; 12. a fixing device; 121. a chute; 122. a threaded hole; 123. a compression plate; 13. a measuring device; 131. a transmission mechanism; 1311. a balance plate; 1313. a transmission rod; 132. a balancing pole; 133. a pointer; 1331. a needle bar; 1332. a needle head; 134. a support bar; 14. a box door; 141. an observation hole; 142. a handle; 15. a metal plate to be tested; 16. a graduated tube.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The application discloses metal sheet resistance to deformation capability test device refers to 1, including test box 1, the whole shape of test box 1 is for offering the square body of case mouth, and 1 level of test box is placed on ground, and open one side of the open position of test box 1 is articulated to have chamber door 14.

Referring to fig. 1, a pressure applying device 11 is fixedly arranged on the top wall of the test box 1, the pressure applying device 11 is used for applying pressure to the metal plate 15 to be tested, and in the embodiment of the present application, the pressure applying device 11 is a hydraulic cylinder. The middle position of the test box 1 is provided with a fixing device 12, and the fixing device 12 is used for horizontally fixing a metal plate 15 to be tested. The bottom wall of the test box 1 is provided with a measuring device 13, and the measuring device 13 is used for measuring the deformation of the metal plate 15 to be measured.

Referring to fig. 2 and 3, the fixing device 12 includes a pair of sliding grooves 121, the sliding grooves 121 are U-shaped grooves, the sliding grooves 121 are horizontally disposed in the length direction, one end of each sliding groove 121 faces the door 14, and the other end of each sliding groove 121 contacts with the opposite side walls of the door 14. The two sliding chutes 121 are respectively fixed in the middle of two opposite inner side walls of the test box 1, and the opening directions of the two sliding chutes 121 are opposite.

Referring to fig. 2 and 3, a threaded hole 122 is formed in an end surface of the sliding groove 121 facing the pressing device 11, a bolt is screwed into the threaded hole 122, and a pressing plate 123 is rotatably connected to one end of the bolt located in the sliding groove 121.

When the metal plate 15 to be detected needs to be detected, firstly, the two ends of the metal plate 15 to be detected are embedded into the sliding groove 121 by a worker, and then the distance between the pressing plate 123 and the inner lower end face of the sliding groove 121 is adjusted through the rotating bolt, so that the two sides of the metal plate 15 to be detected are fixed.

Referring to fig. 1 and 4, the measuring device 13 includes a support bar 134, a balance bar 132, a transmission mechanism 131, and a pointer 133. The supporting rod 134 is vertically fixed on the bottom wall of the testing box 1, and one end of the supporting rod 134 departing from the bottom wall of the testing box 1 is rotatably connected with the balancing rod 132.

Referring to fig. 1 and 4, one end of the balance bar 132 is hinged to the transmission mechanism 131, the transmission mechanism 131 includes a transmission rod 1313 and a balance plate 1311, the transmission rod 1313 is a straight rod, one end of the transmission rod 1313 is hinged to the balance bar 132, the other end of the transmission rod 1313 is fixedly connected to the middle of the balance plate 1311, the balance plate 1311 is a horizontally arranged square plate, and one side of the balance plate 1311, which is opposite to the transmission rod 1313, is in contact with the middle of the lower side surface of the metal plate 15 to be tested.

Referring to fig. 2 and 5, one end of the balance bar 132 facing away from the transmission mechanism is hinged to the pointer 133, the pointer 133 includes a needle bar 1331 and a needle head 1332, the needle bar 1331 is a circular straight rod, one end of the needle bar 1331 is hinged to the balance bar 132, and the other end of the needle bar 1331 is fixedly connected to the needle head 1332. The needle 1332 is tapered from top to bottom, and the lower end of the needle is pointed, the axis of the needle 1331 coincides with the axis of the needle 1332, and the side of the needle 1332 is fixedly provided with a fluorescent piece.

Referring to fig. 2 and 5, vertical graduated tube 16 has set firmly on the test box 1 diapire, is provided with the scale on the graduated tube 16 lateral wall, and pointer 133 imbeds in graduated tube 16, and vertical sliding connection is in graduated tube 16. The side wall of the graduated tube 16 is provided with a fluorescent sheet, so when the inside light is weak when the door 14 of the testing device is closed, the fluorescent sheet emits fluorescence, and the data can be conveniently read by a worker.

Referring to fig. 1, the door 14 is provided with an observation hole 141 corresponding to the position of the graduated tube 16, and the observation hole 141 is convenient for a worker to record the displacement variation of the needle 1332. A handle 142 is disposed on a side of the door 14 facing away from the opening, and the handle 142 facilitates opening and closing of the door 14 by a worker.

Referring to fig. 1 and 2, a hinge point of the driving lever 1313 and the balance lever 132 is referred to as a point a, a hinge point of the needle bar 1331 and the balance lever 132 is referred to as a point b, and a hinge point of the supporting lever 134 and the balance lever 132 is referred to as a point o. The distance between point a and point o is one fifth of the length of the balance bar 132, and the distance between point b and point o is four fifths of the length of the balance bar 132. By setting the position ratios of the balance bar 132, the transmission bar 1313, and the needle bar 1331 as described above, the amount of deformation of the metal plate 15 to be measured can be amplified by 4 times. The times of specifically amplifying the deformation of the metal plate 15 to be measured can be determined according to actual conditions.

The implementation principle of the above embodiment is as follows: when the deformation resistance of the metal plate 15 to be detected needs to be detected, firstly, a worker embeds the metal plate 15 to be detected into the sliding groove 121, then, bolts on the sliding groove 121 are rotated, two sides of the metal plate 15 to be detected are fixed on the sliding groove 121, meanwhile, the balance plate 1311 is in contact with the metal plate 15 to be detected, the balance rod 132 keeps horizontal, the pointed end of the needle 1332 points to a zero scale mark, then, the worker closes the box door 14, then, the pressing device 11 is started, and at the moment, the worker records the displacement of the needle 1332 through the observation hole 141 and calculates the deformation amount of the metal plate 15 to be detected. The lever principle is formed by the supporting rod 134 and the balance rod 132, so that the deformation of the metal plate 15 to be tested is amplified by a certain multiple, the effect of accurate reading is realized, and the precision of the testing device is improved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a metal sheet resistance to deformation capability test device, includes test box (1) and chamber door (14), its characterized in that: the testing device is characterized in that a fixing device (12) is arranged in the testing box (1), the fixing device (12) is used for horizontally supporting a metal plate (15) to be tested, a pressure applying device (11) is arranged on the top wall of the testing box (1), the fixing device (12) is located below the pressure applying device (11), a measuring device (13) located below the fixing device (12) is arranged on the bottom wall of the testing box (1), the measuring device (13) comprises a transmission mechanism (131), a balance rod (132), a pointer (133) and a supporting rod (134), the supporting rod (134) is located on the bottom wall of the testing box (1), the balance rod (132) is rotatably connected to the supporting rod (134), the transmission mechanism (131) is used for abutting against the middle position of the lower end face of the metal plate (15) to be tested and is hinged to one end of the balance rod (132), and the pointer (133) is vertically arranged, and the other end of the balance rod (132) is hinged, and a graduated tube (16) for the pointer (133) to vertically slide is vertically arranged on the bottom wall of the test box (1).

2. The apparatus for testing deformation resistance of a metal plate according to claim 1, wherein: fixing device (12) include a pair of spout (121), two spout (121) all are the U type, and the opening sets up relatively, spout (121) supply metal sheet (15) both sides embedding that awaits measuring.

3. The apparatus for testing deformation resistance of a metal plate according to claim 2, wherein: the metal plate detection device is characterized in that a pressing plate (123) is horizontally arranged in the sliding groove (121), the pressing plate (123) is used for pressing a metal plate (15) to be detected, a bolt is connected to the sliding groove (121) through vertical threads, and the lower end of the bolt is rotatably connected with the pressing plate (123).

4. The apparatus for testing deformation resistance of a metal plate according to claim 3, wherein: and a rubber pad is arranged on the lower end face of the pressing plate (123).

5. The apparatus for testing deformation resistance of a metal plate according to claim 4, wherein: the transmission mechanism (131) comprises a vertically arranged transmission rod (1313) and a horizontally arranged balance plate (1311), the lower end of the transmission rod (1313) is hinged to the balance rod (132), the balance plate (1311) is fixed to one end, back to the balance rod (132), of the transmission rod (1313), and the balance plate (1311) is used for being in contact with the metal plate (15) to be measured.

6. The apparatus for testing deformation resistance of a metal plate according to claim 5, wherein: the pointer (133) comprises a needle rod (1331) and a needle head (1332), one end of the needle rod (1331) is hinged with the balance rod (132), the needle head (1332) is tapered from top to bottom, and the upper end of the pointer (133) is connected with one end of the needle rod (1331) opposite to the balance rod (132).

7. The apparatus for testing deformation resistance of a metal plate according to claim 6, wherein: an observation hole (141) is formed in the box door (14), and the observation hole (141) corresponds to the position of the graduated tube (16).

8. The apparatus for testing deformation resistance of a metal plate according to claim 7, wherein: a fluorescent piece is embedded in the surface of the needle head (1332).