Multifunctional highway engineering raw material mechanical property testing device

Abstract

The utility model discloses a multifunctional mechanical property testing device for highway engineering raw materials, and relates to the technical field of testing devices. Comprising a heat preservation box body, an air conditioner and a push-pull panel, two sets of electric rotating grabbing clamps are symmetrically arranged above the push-pull panel, two sets of connecting panels are arranged above the push-pull panel, a traction rod is arranged on the surface of one side of each set of connecting panel, one end of each traction rod is connected with the sensing end of a pressure sensor, and the other end of each traction rod is connected with the other end of the pressure sensor. A servo motor is arranged in the electric rotating gripper, the output end of the servo motor is in transmission connection with the electric rotating gripper, a torque sensor is arranged in the electric rotating gripper, and the torque sensor is electrically connected with the servo motor. According to the utility model, the problem that the hardness of the asphalt structure and the hardness of the asphalt structure at different temperatures cannot be tested can be solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to test device technical field, concretely is a kind of multifunctional highway engineering raw material mechanical property testing device. BACKGROUND

[0002] In road engineering, the reasonable selection of raw materials and the performance is an important part to ensure the quality of road, if the quality of raw materials is low, it will directly lead to the performance of asphalt mixture cannot meet the requirements and produce road disease. Asphalt pavement is formed by the whole structure with certain strength after rolling of asphalt mixture, and the asphalt mixture is obtained by mixing asphalt and aggregate according to certain proportion.

[0003] Through search, in prior art, authorized announcement number: CN220552759U, authorized day: March 1, 2024, case name is a kind of asphalt binder cohesion performance testing device, it includes workbench, two support side plates are fixed and installed at the lower end of the workbench, two support side rods are fixed and installed at the upper end of the workbench, two support side rods are fixed and installed at the lower end of the display screen, the driving mechanism is fixed and installed at the middle position of the lower end of the workbench, the driving mechanism is fixed and installed at the lower end of the workbench, and extends to the upper side of the workbench, and is located below the display screen, the installation plate is fixed and installed below the workbench and below the driving mechanism, four fixed connecting rods are fixed and installed on the upper end of the installation plate, and four fixed connecting rods are fixed and installed on the lower end of the workbench. The cohesion and toughness of asphalt binder are detected, and the automation degree is high, so that the operation is more simple and convenient.

[0004] Based on the search of patent number, combined with the deficiencies in prior art, it is found that

[0005] The above application file can only test the cohesion and toughness, cannot test the hardness and deformation degree of asphalt, and personnel need to adjust and clamp the two ends of asphalt in turn, which is not convenient to use, and asphalt will expand under high temperature, and different asphalts have different adaptive temperatures. UTILITY MODEL CONTENT

[0006] To solve the problems in the background art, the utility model aims to provide a multifunctional highway engineering raw material mechanical property testing device, which has the advantages of adaptive temperature regulation according to different types of asphalt, and is convenient for workers to clamp and fix the two ends of asphalt, solves the problem that only single tensile force of asphalt structure can be detected, and the hardness of asphalt structure and test under different temperatures cannot be tested.

[0007] To achieve the above object, the utility model provides the following technical scheme: A kind of multifunctional highway engineering raw material mechanical property testing device, including heat preservation box, air conditioner and push-pull panel, the top of the push-pull panel is symmetrically equipped with two groups of electric rotary grab, the top of the push-pull panel is equipped with two groups of connecting panel, the side surface of each group The connecting panel is equipped with a tow bar, one end of the tow bar is connected with the sensing end of pressure sensor, the inside of the electric rotary grab is equipped with servo motor, the output end of the servo motor is connected with the transmission of electric rotary grab, the inside of the electric rotary grab is equipped with torque sensor, the torque sensor is electrically connected with servo motor.

[0008] As preferred by the utility model, the bottom of the heat preservation box is provided with a supporting bottom plate, the central axis of the supporting bottom plate coincides with the central axis of the heat preservation box, and a plurality of groups of fixed supporting legs are arranged below the heat preservation box.

[0009] As preferred by the utility model, one end of the surface of the opening and closing door panel is provided with a door handle, and a transparent observation window is embedded on the surface of the opening and closing door panel.

[0010] As preferred by the utility model, the side wall of the push-pull panel is provided with a moving handle, the bottom of the push-pull panel is symmetrically provided with two groups of moving sliding strips, a limiting sliding groove is formed at the top center of the push-pull panel, and two groups of supporting vertical rods are slidably attached to the upper surface of the push-pull panel.

[0011] As preferred by the utility model, the two groups of supporting vertical rods are arranged on the surface of the limiting sliding groove, the top ends of the two groups of connecting panels are connected with the two groups of supporting vertical rods, and the two groups of electric rotary grabs are arranged on the surfaces of the two groups of connecting panels.

[0012] As preferred by the utility model, a double-shaft motor is arranged at the inner center of the limiting sliding groove, two groups of transmission lead screws are symmetrically arranged in the limiting sliding groove, the output ends of the two groups of transmission lead screws are transmissionally connected with the double-shaft motor, and two groups of moving blocks are symmetrically arranged in the limiting sliding groove.

[0013] As preferred by the utility model, two groups of connecting struts are further attached in the limiting sliding groove, one end of each group of the connecting struts is connected with one group of the moving blocks, a pressure sensor is arranged on the side wall of the connecting panel, and the sensing end of the pressure sensor penetrates through the surface of the connecting panel.

[0014] The bottom of the air conditioner is connected with the top of the heat preservation box body, a plurality of groups of air outlet holes are arranged at the joint of the air conditioner and the heat preservation box body, and the plurality of groups of air outlet holes are arranged in a rectangular array with the central axis of the heat preservation box body as the center.

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] 1、The utility model discloses a through the setting of electric rotary grab, two groups of transmission screws are moved by the double -shaft motor, make two groups of movable sliding block movement simultaneously drive two groups of support vertical rod opposite movement to the asphalt raw material of electric rotary grab's clamping carries out the tensile property test, and through the rotary action of electric rotary grab, through the structure of torsion asphalt, can monitor the structure hardness of asphalt, only can the single tensile force detection of asphalt structure is solved, the hardness of asphalt structure and under different temperature test problem, reached the effect of improving equipment practicality.

[0017] 2、The utility model discloses a through the setting of air conditioner, the temperature of heat preservation box body inside is regulated through air conditioner, can adjust the temperature of heat preservation box body inside according to the required detection environment temperature, because the influence of asphalt is bigger under different temperature different asphalt expands the degree differently, thereby reach under different environmental temperature to asphalt mechanics performance test, a plurality of groups of air outlet holes are arranged in a rectangular array with the central axis of the heat preservation box body as the center, can improve the uniformity of the airflow that air conditioner blows, prevent the environmental temperature uneven in the heat preservation box body, influence detection result, improve detection efficiency.

[0018] 3、The utility model discloses a through the setting of two groups of electric rotary grab, can fix the clamping of two ends of asphalt raw material, and the operator need not adjust the clamping according to different thickness of asphalt material, and fixed and take more convenient, and push -pull panel is through two groups of movable sliding strip and the inside bottom end of heat preservation box body sliding joint setting, further convenient for operator to take or store asphalt raw material, convenient for the user. ACCURACY OF DRAWINGS

[0019] Figure 1 It is the three -dimensional structure schematic diagram of the utility model;

[0020] Figure 2 It is the three -dimensional structure schematic diagram of the utility model push -pull panel;

[0021] Figure 3 It is the main view schematic diagram of the utility model double -shaft motor structure;

[0022] Figure 4 It is the heat preservation box body structure cross section schematic diagram of the utility model;

[0023] Figure 5 It is the cross section schematic view of the multiple rotary grabbing structure of the utility model.

[0024] In the drawing: 1, heat preservation box body; 2, support bottom plate; 3, fixed support leg; 4, open-close door plate; 5, door plate handle; 6, transparent observation window; 7, air conditioner; 8, electronic display screen; 9, air exchange fan; 10, push-pull panel; 11, moving handle; 12, moving slide; 13, limiting sliding groove; 14, double-shaft motor; 15, transmission screw rod; 16, moving sliding block; 17, connecting support rod; 18, support vertical rod; 19, connecting panel; 20, electric rotary grab; 21, pressure sensor; 22, air outlet hole; 23, torque sensor; 24, servo motor; 25, traction rod. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0026] As Figures 1 to 5 shown, the utility model provides a kind of multifunctional highway engineering raw material mechanical property testing device, including heat preservation box body 1, air conditioner 7 and push-pull panel 10, the air conditioner 7 is located at the top of heat preservation box body 1, and the central axis of heat preservation box body 1 coincides with the central axis of air conditioner 7, the push-pull panel 10 is located at the inside bottom end of heat preservation box body 1, and the push-pull panel 10 is slidably attached with the inside bottom end of heat preservation box body 1.

[0027] Reference Figure 1 , the bottom of heat preservation box body 1 is equipped with support bottom plate 2, the central axis of support bottom plate 2 coincides with the central axis of heat preservation box body 1, the lower portion of heat preservation box body 1 is equipped with several groups of fixed support leg 3, and the several groups of fixed support leg 3 are respectively located at the bottom corner of support bottom plate 2, one side wall of heat preservation box body 1 is embedded with open-close door plate 4, the open-close door plate 4 is movably connected with the side wall of heat preservation box body 1, and one end of the surface of open-close door plate 4 is equipped with door plate handle 5, the surface of open-close door plate 4 is embedded with transparent observation window 6, one side wall of air conditioner 7 is embedded with electronic display screen 8, and the top of air conditioner 7 is embedded with air exchange fan 9.

[0028] As a technical optimization scheme of the utility model, through the setting of the air conditioner 7, the temperature inside the heat preservation box 1 is regulated by the air conditioner 7 (model: FCQH05AA / RXQH05AAY), the temperature inside the heat preservation box 1 can be adjusted according to the required detection environment temperature, so that the asphalt mechanical property is tested under different environment temperatures.

[0029] Reference Figure 2 One side wall of the push-pull panel 10 is provided with a moving handle 11, the bottom of the push-pull panel 10 is symmetrically provided with two groups of moving slide strips 12, and the push-pull panel 10 is slidably connected with the bottom of the heat preservation box 1 through the two groups of moving slide strips 12, a limiting sliding groove 13 is formed in the top center of the push-pull panel 10, and the upper surface of the push-pull panel 10 is slidably attached with two groups of supporting vertical rods 18;

[0030] The two groups of supporting vertical rods 18 are located on the surface of the limiting sliding groove 13, the upper portion of the push-pull panel 10 is provided with two groups of connecting panels 19, the two groups of connecting panels 19 are connected with the top ends of the two groups of supporting vertical rods 18 respectively, and the upper portion of the push-pull panel 10 is symmetrically provided with two groups of electric rotary clamps 20, and the two groups of electric rotary clamps 20 are located on the surfaces of the two groups of connecting panels 19 respectively.

[0031] As a technical optimization scheme of the utility model, through the setting of the two groups of electric rotary clamps 20 (Dahuang RGI series), the two ends of the asphalt raw material can be fixed and clamped, and the operator does not need to adjust the clamping according to the asphalt material of different thicknesses, and the fixing and taking are more convenient, and the push-pull panel 10 is slidably connected with the inner bottom end of the heat preservation box 1 through the two groups of moving slide strips 12, so that the operator can take or store the asphalt raw material more conveniently.

[0032] Reference Figure 3 The inner center of the limiting sliding groove 13 is provided with a double-shaft motor 14, the inner portion of the limiting sliding groove 13 is symmetrically provided with two groups of transmission lead screws 15, the two groups of transmission lead screws 15 are all in transmission connection with the output end of the double-shaft motor 14, the inner portion of the limiting sliding groove 13 is symmetrically provided with two groups of moving sliding blocks 16, and the two groups of moving sliding blocks 16 are respectively in threaded connection with the surfaces of the two groups of transmission lead screws 15;

[0033] The inner portion of the limiting sliding groove 13 is also attached with two groups of connecting struts 17, one end of each of the two groups of connecting struts 17 is connected with the two groups of moving sliding blocks 16 respectively, the other end of each of the two groups of connecting struts 17 is connected with the bottom end of the two groups of supporting vertical rods 18 respectively, one side wall of the connecting panel 19 is provided with a pressure sensor 21, and the sensing end of the pressure sensor 21 penetrates through the surface of the connecting panel 19.

[0034] As a technical optimization scheme of the utility model, through the setting of the double-shaft motor 14, two groups of transmission lead screws 15 are driven to move by the double-shaft motor 14, so that two groups of the moving sliders 16 move while driving two groups of the support vertical rods 18 to move away from each other, thereby the tensile property of the asphalt raw material clamped by the electric rotary grab 20 is tested.

[0035] Reference Figure 4 The bottom of the air conditioner 7 is connected with the top of the heat preservation box 1, a plurality of groups of air outlet holes 22 are arranged at the joint of the air conditioner 7 and the heat preservation box 1, and the plurality of groups of air outlet holes 22 are arranged in a rectangular array with the central axis of the heat preservation box 1 as the center.

[0036] As a technical optimization scheme of the utility model, the plurality of groups of air outlet holes 22 are arranged at the joint of the air conditioner 7 and the heat preservation box 1, and the plurality of groups of air outlet holes 22 are arranged in a rectangular array with the central axis of the heat preservation box 1 as the center, which can improve the uniformity of the airflow blown by the air conditioner 7, prevent the temperature inside the heat preservation box 1 from being uneven, and affect the detection result.

[0037] Reference Figure 5 One side surface of each group of the connecting panel 19 is provided with a traction rod 25, one end of the traction rod 25 is connected with the sensing end of the pressure sensor 21, the other end of the traction rod 25 is connected with one end of the electric rotary grab 20, the inside of the electric rotary grab 20 is provided with a servo motor 24, the output end of the servo motor 24 is in transmission connection with the electric rotary grab 20, the inside of the electric rotary grab 20 is provided with a torque sensor 23, and the torque sensor 23 is in electrical connection with the servo motor 24.

[0038] As a technical optimization scheme of the utility model, through the setting of the torque sensor 23, the two ends of the asphalt are driven to rotate in opposite directions by the two groups of electric rotary grabs 20, the torque sensor 23 is connected with the servo motor 24 inside the electric rotary grab 20, the torque generated when the electric rotary grab 20 rotates can be monitored, so that the structural hardness of the asphalt can be monitored, and the information is transmitted to the control console through the pressure sensor 21, and the control console displays the signal on the electronic display screen 8.

[0039] The working principle and use process of the utility model: first open the opening and closing door plate 4, pull the pull panel 10 from the inside of the heat preservation box body 1, clamp the two ends of the pitch on two groups of electric rotary grab 20 respectively, at this time, start the double-shaft motor 14, drive two groups of transmission lead screws 15 to move through the double-shaft motor 14, make two groups of moving sliders 16 move while driving two groups of support vertical rods 18 to move away from each other, test the tensile property of the pitch raw material clamped by the electric rotary grab 20, then, drive the two ends of the pitch to rotate in opposite directions through two groups of electric rotary grab 20, while the torque sensor 23 is connected with the servo motor 24 in the electric rotary grab 20, can monitor the torque generated when the electric rotary grab 20 rotates, so as to monitor the structural hardness of the pitch, at the same time, the operator controls the temperature of the air conditioner 7, controls the temperature inside the heat preservation box body 1, can adjust the temperature inside the heat preservation box body 1 according to the required detection environment temperature, so as to test the mechanical property of the pitch under different environment temperatures.

[0040] In conclusion: the multifunctional highway engineering raw material mechanical property testing device, through the setting of the electric rotary grab 20, drive two groups of transmission lead screws 15 to move through the double-shaft motor 14, make two groups of moving sliders 16 move while driving two groups of support vertical rods 18 to move away from each other, so as to test the tensile property of the pitch raw material clamped by the electric rotary grab 20, and through the rotating force of the electric rotary grab 20, through the structure of the pitch, can monitor the structural hardness of the pitch, solve the problem that only the pitch structure can be detected by single tensile force, and the hardness of the pitch structure and the test under different temperatures cannot be tested.

[0041] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and its equivalents.

Claims

1. A multifunctional highway engineering raw material mechanical property testing device, comprising an insulation box body (1), an air conditioner (7) and a sliding panel (10), characterized in that: The upper part of the push-pull panel (10) is symmetrically provided with two groups of electric rotary clamps (20), and the upper part of the push-pull panel (10) is provided with two groups of connecting panels (19), one side surface of each group of the connecting panels (19) is provided with a traction rod (25), one end of the traction rod (25) is connected with the sensing end of a pressure sensor (21), the inside of the electric rotary clamp (20) is provided with a servo motor (24), the output end of the servo motor (24) is drivingly connected with the electric rotary clamp (20), and the inside of the electric rotary clamp (20) is provided with a torque sensor (23), and the torque sensor (23) is electrically connected with the servo motor (24).

2. The multifunctional highway engineering raw material mechanical property testing device according to claim 1, characterized in that: The bottom of the heat preservation box body (1) is provided with a supporting bottom plate (2), the central axis of the supporting bottom plate (2) coincides with the central axis of the heat preservation box body (1), the lower part of the heat preservation box body (1) is provided with a plurality of groups of fixed supporting legs (3), and one side wall of the heat preservation box body (1) is embedded with an opening and closing door plate (4).

3. The multifunctional highway engineering raw material mechanical property testing device according to claim 2, characterized in that: The surface of the opening and closing door plate (4) is provided with a door handle (5), the surface of the opening and closing door plate (4) is embedded with a transparent observation window (6), one side wall of the air conditioner (7) is embedded with an electronic display screen (8), and the top of the air conditioner (7) is embedded with an air exchange fan (9).

4. The multifunctional highway engineering raw material mechanical property testing device according to claim 1, characterized in that: The side wall of the push-pull panel (10) is provided with a moving handle (11), the bottom of the push-pull panel (10) is symmetrically provided with two groups of moving sliding strips (12), the top center of the push-pull panel (10) is provided with a limiting sliding groove (13), and the upper surface of the push-pull panel (10) is slidably provided with two groups of supporting vertical rods (18).

5. The multifunctional highway engineering raw material mechanical property testing device according to claim 4, characterized in that: The two groups of supporting vertical rods (18) are located on the surface of the limiting sliding groove (13), the two groups of connecting panels (19) are respectively connected with the top ends of the two groups of supporting vertical rods (18), and the two groups of electric rotary clamps (20) are respectively located on the surfaces of the two groups of connecting panels (19).

6. The multifunctional highway engineering raw material mechanical property testing device according to claim 4, characterized in that: The inside of the limiting sliding groove (13) is provided with a double-shaft motor (14), the inside of the limiting sliding groove (13) is symmetrically provided with two groups of transmission lead screws (15), the two groups of transmission lead screws (15) are drivingly connected with the output end of the double-shaft motor (14), and the inside of the limiting sliding groove (13) is symmetrically provided with two groups of moving sliding blocks (16).

7. The multifunctional highway engineering raw material mechanical property testing device according to claim 6, characterized in that: The inside of the limiting sliding groove (13) is also provided with two groups of connecting rods (17), one end of each of the two groups of connecting rods (17) is connected with the two groups of moving sliding blocks (16), one side wall of the connecting panel (19) is provided with a pressure sensor (21), and the sensing end of the pressure sensor (21) penetrates through the surface of the connecting panel (19).

8. The multifunctional highway engineering raw material mechanical property testing device according to claim 1, characterized in that: The bottom of the air conditioner (7) is connected with the top of the heat preservation box body (1), a plurality of groups of air outlets (22) are formed in the connection part of the air conditioner (7) and the heat preservation box body (1), and the plurality of groups of air outlets (22) are arranged in a rectangular array with the central axis of the heat preservation box body (1) as the center.

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