Strength testing device for composite material

Abstract

The utility model relates to the technical field of composite material strength test, and discloses a strength test device for a composite material, which adopts a split type pedestal structure, a test pedestal is arranged to be split type, and a driving motor is matched with a driving screw rod to carry out sliding adjustment driving on the test pedestal. The support position and the structure state of the test bed can be flexibly adjusted through sliding adjustment, the adjustment of the test support distance and the single and split state of the bed can be conveniently and rapidly completed, the device can meet the test work requirements of different workpieces and test modes, the test pressure head is installed in a split embedded mode, and the test efficiency is improved. The spring is matched with the connecting bolt column to movably mount the pressure head mounting seat, the test pressure head can be in contact with a workpiece by means of elastic force of the spring during positioning adjustment, positioning work is facilitated, connection and mounting of the test pressure head are completed by embedding and butting of the notch, dismounting and mounting operation is quick and convenient, and working efficiency is improved. During working, the test pressure head can be conveniently and flexibly disassembled, assembled and replaced according to test requirements.

Description

TECHNICAL FIELD

[0001] The utility model relates to composite material strength test technical field, concretely is a kind of strength test device for composite material. BACKGROUND

[0002] Composite material is by two or more than two different properties material, by physical or chemical method, in macro or micro, form the material with new performance. Various materials complement each other on performance, produce synergistic effect, make the comprehensive performance of composite material better than raw material and meet various different requirements, honeycomb type heat-insulating composite material is a kind of composite material, it adopts honeycomb core structure, with light weight, high strength and good heat-insulating performance, is widely applied in aerospace, transportation and other fields. Honeycomb type heat-insulating composite structure is connected by adhesive, to detect the structure strength of composite board and optimize the inner layer structure of body, need to carry out strength test test to sample board body by test device.

[0003] Test device mainly includes pressurizing assembly and pedestal structure, the pedestal structure of traditional test device is mostly integral fixed type, and the installation and stress test support mode of plate material has greater limitation, and work adaptability and flexibility are poor, therefore, a kind of strength test device for composite material is provided. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of strength test device for composite material to solve the problems presented in the above background art.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of strength test device for composite material, including detection mechanism and pressure head mechanism, the detection mechanism includes support base, test pedestal, drive motor, support vertical pole, support cross bar and test cylinder body, the test pedestal is set up in pairs, and two groups test pedestal are slidably installed in the upper two sides of support base under the drive of drive motor, the test cylinder body is vertically installed above support base under the cooperation of support vertical pole and support cross bar;

[0006] The pressure head mechanism is installed in the lower part of test cylinder body, and the pressure head mechanism includes mounting head seat, connecting bolt column, spring, pressure head mounting seat and test pressure head, the pressure head mounting seat is movably installed in the lower part of mounting head seat by the cooperation of connecting bolt column and spring, and the test pressure head is installed in the lower part of pressure head mounting seat by slot fitting.

[0007] As preferred, the upper part of the above support base is provided with a guide sliding groove in transverse, the bottom of the test pedestal is fixed with a guide sliding block, and the test pedestal is slidably installed on the upper part of the support base by the cooperation of the guide sliding block and the guide sliding groove.

[0008] As preferred, the driving motor is fixedly installed on the side of the support base by bolts, the driving motor is fixedly installed with a driving screw rod at the end of the rotating shaft, the support base is fixedly installed with a screw rod support at both sides by bolts, the driving screw rod is rotatably supported and installed at the inner side of the shaft hole arranged in the middle of the screw rod support, and the driving screw rod is provided with opposite threads at both ends.

[0009] As preferred, the driving screw hole is arranged in the middle of the bottom side of the test bench, the driving screw rod penetrates the lower part of the test bench and is screwedly installed with the driving screw hole, and the upper part of the test bench is uniformly provided with the positioning hole.

[0010] As preferred, the lower part of the support vertical rod is fixedly installed with a connecting base, the front part of the connecting base is embedded and matched with the notch arranged at the rear part of the support base, the connecting base is fixedly installed with the support base by bolts, and the bottom part of the support base and the connecting base is fixedly installed with the bottom support.

[0011] As preferred, the support horizontal rod is fixedly installed on the upper end of the support vertical rod by bolts in a horizontal shape, the lower part of the test cylinder body is fixedly installed with the end side upper part of the support horizontal rod by bolts, the mounting head base is fixedly installed at the end of the push rod of the test cylinder body, the connecting bolt column is provided with a plurality of connecting bolt columns, the connecting bolt column is movably penetrated and installed at the inner side of the insertion hole arranged at the corner of the mounting head base, and the bottom end of the connecting bolt column is tightly installed with the screw hole arranged at the upper part of the pressing head mounting base.

[0012] As preferred, the spring is sleeved on the middle part of the connecting bolt column, the spring is abuttingly installed between the mounting head base and the pressing head mounting base, the lower part of the pressing head mounting base is provided with the butt joint notch, the upper part of the test pressing head is embedded and installed with the butt joint notch after installation, and the rear part of the pressing head mounting base is provided with the fastening bolt for tightly installing the test pressing head.

[0013] Compared with the prior art, the above technical scheme has the following technical effects:

[0014] The strength testing device adopts a split type base structure, the test base is arranged in a split type, and the test base is driven to slide and adjust by a driving motor and a driving screw rod, the support position and structure state of the test base can be flexibly adjusted through sliding adjustment, the adjustment of the test base support distance and single split state can be conveniently and quickly completed, the use flexibility of the device is greatly improved, the device can meet the test work requirements of different workpieces and test modes, and the test pressure head is installed in a split embedded mode, the pressure head mounting seat is movably installed by a spring and a connecting bolt column, the test pressure head can be in contact with the workpiece by the elastic force of the spring during positioning adjustment, positioning work is facilitated, and the connecting and installing of the test pressure head is completed through slot embedding butt joint, the dismounting operation is quick and convenient, and the test pressure head can be conveniently and flexibly dismounted and replaced according to the test requirements during work, so that the operation convenience of the device is greatly improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor.

[0016] Figure 1 It is a whole upper side three-dimensional structure schematic diagram of the utility model;

[0017] Figure 2 It is a whole lower side three-dimensional structure schematic diagram of the utility model;

[0018] Figure 3 It is a test base driving installation structure schematic diagram of the utility model;

[0019] Figure 4 It is a test pressure head installation structure schematic diagram of the utility model;

[0020] Figure 5 It is a Figure 4 It is a structure schematic diagram of area A.

[0021] Explanation of reference signs: 1, support base; 2, test base; 3, driving motor; 4, support vertical rod; 5, support horizontal rod; 6, test cylinder body; 7, guide sliding groove; 8, guide sliding block; 9, driving screw rod; 10, screw rod support; 11, positioning hole; 12, bottom support; 13, connecting base; 14, mounting head seat; 15, connecting bolt column; 16, spring; 17, pressure head mounting seat; 18, test pressure head; 19, butt joint slot; 20, fastening bolt. PREFERRED EMBODIMENT

[0022] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the present application.

[0023] It should be understood that the structures, proportions, sizes and the like shown in the drawings of the specification are only used to cooperate with the disclosed content of the specification, to enable those skilled in the art to understand and read, and are not used to limit the implementation conditions of the present application, and therefore do not have technical substantive significance. Any modification of the structure, change of the proportional relationship or adjustment of the size, without affecting the effects and purposes that can be achieved by the present application, should still fall within the scope of the disclosed technical content.

[0024] Embodiment

[0025] Please refer to Figures 1-5 The present application provides a technical scheme: a strength test device for composite materials, comprising a detection mechanism and a pressure head mechanism, the detection mechanism comprising a support base 1, a test base 2, a driving motor 3, a support vertical rod 4, a support horizontal rod 5 and a test cylinder body 6, the test base 2 being used for positioning and installing support of test plate, specifically, as shown in the accompanying Figure 1 The test base 2 is arranged in pairs, in order to facilitate the connection and installation of the test base 2, a guide sliding groove 7 is horizontally arranged on the upper part of the support base 1, and a guide sliding block 8 is fixed to the bottom of the test base 2, the test base 2 being slidably installed on the upper part of the support base 1 through the cooperation of the guide sliding block 8 and the guide sliding groove 7.

[0026] The driving motor 3 is used for driving the test base 2 to slide, as shown in the accompanying Figure 3As shown, the driving motor 3 is fixedly installed on the side of the support base 1, and the driving motor 3 is fixedly installed with a driving screw rod 9 at the end of the rotating shaft for driving the test bench 2 to slide. The driving screw rod 9 is a double-end screw rod, and the two ends of the driving screw rod 9 are provided with threads in opposite directions. In order to install and support the driving screw rod 9, screw rod supports 10 are fixedly installed on both sides of the support base 1 by bolts. The driving screw rod 9 is rotatably and supportingly installed on the inner side of the shaft hole arranged in the middle of the screw rod support 10. The middle of the bottom side of the test bench 2 is provided with a driving screw hole. The driving screw rod 9 penetrates the lower part of the test bench 2 and is screwedly installed with the driving screw hole. The two test benches 2 are respectively slidably installed on the upper two sides of the support base 1 under the driving of the driving motor 3. The test bench 2 is arranged in a split type, and the test bench 2 is driven to slide by the driving motor 3 cooperating with the driving screw rod 9. The support position and structure state of the test bench 2 can be flexibly adjusted by sliding adjustment, and the adjustment of the test support spacing and the single split state can be conveniently and quickly completed. The use flexibility of the device is greatly improved, and the device can meet the test work requirements of different workpieces and test methods. In order to facilitate the positioning and installation of the test plate, positioning holes 11 are uniformly arranged on the upper part of the test bench 2.

[0027] In order to facilitate the connection and installation with the support base 1, as shown in the accompanying Figure 2 As shown, the lower part of the support vertical rod 4 is fixedly connected with a connecting base 13. The front part of the connecting base 13 is embedded in the notch arranged at the rear part of the support base 1. The connecting base 13 is fixedly installed with the support base 1 by bolts. In order to improve the support stability of the device, bottom supports 12 are fixedly installed at the bottom of the support base 1 and the connecting base 13. The support cross rod 5 is used for the installation and support of the test cylinder body 6. As shown in the accompanying Figure 4 As shown, the support cross rod 5 is fixedly installed on the upper end of the support vertical rod 4 by bolts in a horizontal state. The lower part of the test cylinder body 6 is fixedly installed with the end side upper part of the support cross rod 5 by bolts. The test cylinder body 6 is vertically installed above the support base 1 under the cooperation of the support vertical rod 4 and the support cross rod 5. The test cylinder body 6 is a hydraulic cylinder body used for the test and pressure driving of the test plate.

[0028] The pressure head mechanism is installed on the lower part of the test cylinder body 6. The pressure head mechanism includes a mounting head base 14, a connecting bolt column 15, a spring 16, a pressure head mounting base 17, and a test pressure head 18. As shown in the accompanying Figure 5As shown, the mounting head 14 is fixedly mounted at the push rod end of the test cylinder 6, and a disc-type pressure sensor is outwardly protruded at the bottom of the mounting head 14 for accurate detection of the test pressure. Four connecting pins 15 are movably penetrated into the inner side of the insertion hole provided at the corner of the mounting head 14, and the bottom end of the connecting pin 15 is tightly mounted with the screw hole provided at the upper portion of the pressure head mounting seat 17. In order to provide elastic pushing force, the spring 16 is sleeved at the middle portion of the connecting pin 15, and the spring 16 is abuttingly mounted between the mounting head 14 and the pressure head mounting seat 17. The pressure head mounting seat 17 is movably mounted at the lower portion of the mounting head 14 through the cooperation of the connecting pin 15 and the spring 16. The pressure head mounting seat 17 is movably mounted by the spring 16 cooperating with the connecting pin 15, so that the test pressure head 18 can be in contact with the workpiece by the elastic force of the spring 16 during positioning adjustment, thereby facilitating the positioning work.

[0029] The test pressure head 18 is movably mounted at the lower portion of the pressure head mounting seat 17 through the slot fitting, and specifically, as shown in the attached Figure 5 As shown, in order to facilitate the connecting and mounting of the test pressure head 18, the butt joint slot 19 is provided at the lower portion of the pressure head mounting seat 17, and the upper portion of the test pressure head 18 is movably mounted with the butt joint slot 19 after mounting. The dismounting operation is quick and convenient, and the test pressure head 18 can be conveniently and flexibly dismounted and replaced according to the test requirement during work, thereby greatly improving the operation convenience of the device. In order to lock and limit the mounted test pressure head 18, the fastening bolt 20 for tightly mounting the test pressure head 18 is provided at the rear portion of the pressure head mounting seat 17, and the end of the fastening bolt 20 is penetrated into the rear portion of the pressure head mounting seat 17 and is tightly mounted with the screw hole at the rear portion of the test pressure head 18.

[0030] The working principle or structural principle is that, during work, according to the test requirement, a corresponding test pressure head 18 is selected, then the test pressure head 18 is installed into the inner side of the butt joint groove 19 at the lower part of the pressure head mounting seat 17 through slot alignment fitting, then the locking and limiting of the installed test pressure head 18 is completed through the screwing of the fastening bolt 20, the installation work of the test pressure head 18 is completed, then the working parameters are set according to the test requirement, the synchronous reverse sliding movement of the two groups of test benches 2 is driven through the driving of the driving motor 3 and the driving of the driving screw rod 9, the adjustment work of the support spacing in the middle part of the test bench 2 is carried out, then the test plate of a specific specification is placed on the upper part of the test bench 2, then the preliminary installation and positioning of the test plate are completed through the positioning hole 11 and the clamp, then the test pressure head 18 slowly moves down to contact the test plate under the driving of the test cylinder body 6, the test pressure head 18 is in flexible contact with the test plate through the pushing force provided by the spring 16, then the test plate is accurately installed and positioned according to the position of the test pressure head 18, then the test pressure head 18 moves up to reset, the installation and positioning work of the test plate is completed, during the test, the test pressure head 18 moves down to contact the test plate under the driving of the test cylinder body 6, then the test pressure head 18 continues to move down, so that the upper part of the pressure head mounting seat 17 contacts the pressure sensor, the pressure is applied to the upper part of the test plate through rigid pushing, at the same time, the real-time and accurate detection of the pressure is completed through the pressure sensor and data recording is carried out, and the test work is completed.

[0031] In conclusion, the strength test device adopts the split type bench structure, the test bench 2 is arranged in a split type, and the test bench 2 is driven to slide and adjust through the driving motor 3 and the driving screw rod 9, the support position and the structural state of the test bench 2 can be flexibly adjusted through the sliding adjustment, the adjustment of the bench test support spacing and the single split state can be conveniently and quickly completed, the use flexibility of the device is greatly improved, the device can meet the test work requirements of different workpieces and test modes, the test pressure head 18 is arranged in a split fitting type installation mode, the pressure head mounting seat 17 is movably installed through the spring 16 and the connecting bolt column 15, the test pressure head 18 can contact the workpiece through the elastic force of the spring 16 during positioning adjustment, the positioning work is facilitated, the connection and installation of the test pressure head 18 are completed through slot fitting butt joint, the disassembly and assembly operation is quick and convenient, during work, the test pressure head 18 can be conveniently and flexibly disassembled and replaced according to the test requirement, and the operation convenience of the device is greatly improved.

[0032] Those skilled in the art can understand that the features described in various embodiments and / or claims of the present application can be combined or / and combined, even if such combinations or combinations are not explicitly described in the present application. In particular, the features described in various embodiments and / or claims of the present application can be combined and / or combined without departing from the spirit and teachings of the present application. All these combinations and / or combinations fall within the scope of the present application.

Claims

1. A strength testing device for composite materials, comprising a detection mechanism and a press head mechanism, characterized in that: The detection mechanism comprises a support base (1), test seats (2), a driving motor (3), support vertical rods (4), support horizontal rods (5) and test cylinder bodies (6), the test seats (2) are arranged in pairs, two groups of the test seats (2) are respectively slidably installed on the upper sides of the support base (1) under the driving of the driving motor (3), and the test cylinder bodies (6) are vertically installed above the support base (1) under the cooperation of the support vertical rods (4) and the support horizontal rods (5); The pressure head mechanism is installed at the lower part of the test cylinder body (6), and comprises a mounting head base (14), connecting pegs (15), springs (16), a pressure head mounting base (17) and a test pressure head (18), the pressure head mounting base (17) is movably installed at the lower part of the mounting head base (14) through the cooperation of the connecting pegs (15) and the springs (16), and the test pressure head (18) is installed at the lower part of the pressure head mounting base (17) through slot fitting.

2. The strength testing device for composite materials according to claim 1, characterized in that: The upper part of the support base (1) is transversely provided with a guide sliding groove (7), the bottom of the test seat (2) is fixedly provided with a guide sliding block (8), and the test seat (2) is slidably installed on the upper part of the support base (1) through the cooperation of the guide sliding block (8) and the guide sliding groove (7).

3. The strength testing device for composite materials according to claim 2, characterized in that: The driving motor (3) is fixedly installed on the side of the support base (1) through bolts, the driving motor (3) is fixedly installed at the end of the rotating shaft, the two sides of the support base (1) are fixedly installed with screw rod supports (10) through bolts, the driving screw rod (9) is rotatably supported and installed on the inner side of the shaft hole arranged in the middle of the screw rod support (10), and the two ends of the driving screw rod (9) are provided with threads in opposite directions.

4. The strength testing device for composite materials according to claim 3, characterized in that: The middle of the bottom side of the test seat (2) is provided with a driving screw hole, the driving screw rod (9) penetrates the lower part of the test seat (2) and is screwedly installed with the driving screw hole, and the upper part of the test seat (2) is uniformly provided with positioning holes (11).

5. The strength testing device for composite materials according to claim 1, characterized in that: The lower part of the support vertical rod (4) is fixedly provided with a connecting base (13), the front part of the connecting base (13) is fitted and matched with the slot arranged at the rear part of the support base (1), the connecting base (13) is fixedly installed with the support base (1) through bolts, and the bottom parts of the support base (1) and the connecting base (13) are fixedly installed with bottom supports (12).

6. The strength testing device for composite materials according to claim 5, characterized in that: The support horizontal rod (5) is fixedly installed at the upper end of the support vertical rod (4) through bolts, the lower part of the test cylinder body (6) is fixedly installed with the end side upper part of the support horizontal rod (5) through bolts, the mounting head base (14) is fixedly installed at the push rod end of the test cylinder body (6), the connecting pegs (15) are arranged in plurality, the connecting pegs (15) movably penetrate the inner side of the insertion hole arranged at the corner of the mounting head base (14), and the bottom end of the connecting peg (15) is tightly installed with the screw hole arranged at the upper part of the pressure head mounting base (17).

7. The strength testing device for composite materials according to claim 6, characterized in that: The spring (16) is sleeved on the middle part of the connecting bolt column (15), and is abutted and installed between the mounting head base (14) and the pressure head mounting base (17). The lower part of the pressure head mounting base (17) is provided with a butt joint slot (19), and the upper part of the test pressure head (18) is embedded and installed after installation. The rear part of the pressure head mounting base (17) is provided with a fastening bolt (20) for fastening and installing the test pressure head (18).

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