Universal material testing machine for road engineering quality detection

Abstract

The utility model relates to the technical field of road engineering quality detection, in particular to a universal material testing machine for road engineering quality detection, which comprises a base, a protection box is arranged on the base, an observation window is arranged on one side of the protection box, and a feeding assembly is arranged on one side of the protection box far away from the observation window. A pair of lifting assemblies are symmetrically arranged on the upper side and the lower side of the protection box, and clamping assemblies are arranged on the sides, away from the inner wall of the protection box, of the two lifting assemblies. By arranging the lifting assembly, the distance between the clamping assemblies on the upper side and the lower side can be accurately adjusted, so that the testing machine can adapt to detection of more types of road engineering materials, meanwhile, the stable state of the materials can be kept in the tensile test process, and the accuracy of a test result is improved; according to the utility model, the clamping assembly is arranged, so that the stable clamping of the material is realized, and the accuracy of a test result is favorably improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to road engineering quality detection technical field especially relates to a universal material testing machine for road engineering quality detection. BACKGROUND

[0002] The universal material testing machine is mainly used for testing the mechanical properties of various materials, and in road engineering, it is often used to detect the tensile, compression, bending and other mechanical properties of road building materials to ensure the safety and durability of road structures.

[0003] However, the process of placing and taking out the material to be tested by the conventional universal material testing machine is relatively complex, which brings inconvenience to the operator, and at the same time, since the conventional testing machine is not equipped with an observation window, the operator cannot directly observe during the testing process, which increases the operation difficulty, in addition, the lifting mechanism of the conventional testing machine often cannot be accurately controlled during the tensile test, and the clamping mechanism also lacks sufficient clamping force, so that the material is easy to slip or displace during the test, thereby affecting the stability and safety of the test results. SUMMARY

[0004] The utility model aims at providing a universal material testing machine for road engineering quality detection to solve the problems in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme: it includes the base, is provided with the protection case on the base, one side of the protection case is provided with the observation window, the side away from the observation window of the protection case is provided with the feeding assembly, a pair of lifting assemblies is provided on the upper and lower sides of the protection case symmetrically, and the side away from the inner wall of the protection case of the two lifting assemblies is provided with the clamping assembly.

[0006] As preferred in the utility model, the feeding assembly includes a feeding port opened in one side of the protection case, a connecting piece one is arranged on the protection case on the side of the feeding port, a door body corresponding to the feeding port is movably arranged on the connecting piece one, an installation groove one is opened in one side of the door body, a pair of springs one is symmetrically arranged in the installation groove one, a lock tongue is arranged on one side of the two springs one, a pair of moving tracks one is symmetrically arranged on the inner wall of the door body on the two sides of the installation groove one, and the lock tongue is slidably arranged on the moving track one.

[0007] As the utility model is preferred, one side of the door body away from the connecting piece is provided with a mounting box one, the both sides inner walls of the mounting box one are provided with moving tracks two at the positions corresponding to the moving track one, the mounting box one is provided with a mounting plate one, one side of the mounting plate one is provided with a pair of spring two, the both sides of the spring two away from the mounting plate one are provided with buttons, the button is slidably arranged on the moving track two, one side of the button is provided with a push rod, the push rod penetrates the mounting plate one, one end of the push rod away from the button is provided with a pressing block.

[0008] As the utility model is preferred, the lifting assembly includes telescopic cylinders arranged in the protection box, the telescopic rod top of telescopic cylinder is provided with mounting box two, one side of telescopic cylinder is provided with a pair of bearing seat, the bearing seat is inserted between the two, the both sides of the rotating shaft are provided with a pair of gear, the both sides of the telescopic cylinder are provided with a pair of guide column guide sleeve, the lifting guide column is slidably arranged in the guide column guide sleeve, the top of the lifting guide column is connected with the bottom of the mounting box two, the lifting guide column is provided with a rack, the gear and the rack are engaged.

[0009] As the utility model is preferred, the clamping assembly includes the fixed sleeve arranged on one side inner wall of the mounting box two, the bidirectional screw rod is inserted in the fixed sleeve, the motor is arranged on the inner wall of one side of the mounting box two away from the fixed sleeve, one end of the bidirectional screw rod away from the fixed sleeve is connected with the transmission end of the motor, the bidirectional screw rod is provided with a pair of driving blocks on the outer side, the sliding rail is formed in the mounting box two, the driving block is slidably arranged in the sliding rail.

[0010] As the utility model is preferred, the both sides of the driving block are provided with clamping seat, the clamping seat is provided with anti-skid pad.

[0011] Compared with the prior art, the above technical scheme of the utility model has the following beneficial technical effects:

[0012] 1. The utility model discloses a feeding assembly is set up, and the button is compressed spring two when pressing the button, and the button transmits power to the briquetting through the push rod, and the briquetting pushes the lock tongue along the moving track no. 2, moving track no. 1 and returns to the installation groove no. 1 of door body side, and the lock tongue is compressed spring no. 1 simultaneously, and the other hand of operator can open the door body, and after the external force disappears, spring no. 1, spring no. 2 can provide reset force for the lock tongue, the button respectively, and opening the door body can be convenient for operator to place the material to be detected, and when the operator closes the door body, the lock tongue of door body side will be first received in the installation groove no. 1 along the moving track no. 1 and retract, and after complete closing, the external force disappears, and spring no. 1 releases the elastic potential energy, and the lock tongue enters the installation box no. 1 along the moving track no. 1, moving track no. 2, realizes the locking of door body and protection box, and after closing the protection box, the protection box can protect the operator, and the observation window of protection box side can be convenient for operator to observe the test process.

[0013] 2. The utility model discloses a lifting assembly is set up, and the meshing of gear and rack realizes the synchronous lifting of lifting guide column, ensures that the distance between the two sides clamping assembly can be accurately adjusted, makes test machine can adapt to more kinds of road engineering material detection, simultaneously is helpful to keeping the stable state of material in the test process, improves the accuracy of test result, secondly, the guide column guide bushing can provide stable lifting track for the lifting guide column, prevents the shaking and deviation in the lifting process.

[0014] 3. The utility model discloses a clamping assembly is set up, and the motor drives the rotation of bidirectional screw rod, and the rotary motion of bidirectional screw rod is converted into the linear motion of driving block, and the driving block transmits power to the clamping seat, and the distance between the two sides clamping seat is adjusted, to realize the stable clamping of material, and it is helpful to improve the accuracy of test result, secondly, the clamping seat is provided with antiskid pad, and the antiskid pad can increase the friction between the clamping seat and the material to be detected, prevents the material to be detected from falling or moving in the test process, ensures the stability and safety of test process, and improves the reliability of test result. DRAWINGS

[0015] Figure 1 It is the whole structure schematic diagram of the utility model;

[0016] Figure 2 It is the protection box internal structure schematic diagram of the utility model;

[0017] Figure 3 It is the feeding assembly structure schematic diagram of the utility model;

[0018] Figure 4 It is the installation box no. 1 internal structure schematic diagram in the feeding assembly of the utility model;

[0019] Figure 5 It is the button structure schematic diagram in the feeding assembly of the utility model;

[0020] Figure 6 As Figure 5 The enlarged schematic view at A in the middle;

[0021] Figure 7 The schematic view of the lifting assembly structure of the utility model;

[0022] Figure 8 The schematic view of the clamping assembly structure of the utility model.

[0023] The drawing label: base 1, protection box 2, observation window 3, feeding assembly 4, feeding port 41, connecting piece one 42, door body 43, installation groove one 44, spring one 45, lock tongue 46, moving track one 47, installation box one 48, moving track two 49, installation plate one 410, spring two 411, button 412, push rod 413, pressing block 414, lifting assembly 5, telescopic cylinder 51, installation box two 52, bearing seat 53, rotating shaft 54, gear 55, guide column guide sleeve 56, lifting guide column 57, rack 58, clamping assembly 6, fixed sleeve 61, bidirectional screw rod 62, motor 63, driving block 64, sliding rail 65, clamping seat 66, antiskid pad 67. DETAILED DESCRIPTION

[0024] To make the purpose, technical scheme and advantages of the utility model more clear and obvious, the utility model is further explained in detail below by combining with specific implementation manners and referring to the drawings. It should be understood that these descriptions are only exemplary, and are not intended to limit the scope of the utility model. In addition, in the following description, the description of known structures and technologies is omitted to avoid unnecessary confusion of the concept of the utility model.

[0025] As Figures 1-8 Indicated, the utility model provides a kind of universal material testing machine for road engineering quality detection, it includes base 1, base 1 is provided with protection box 2, protection box 2 provides a closed environment for test process, protects operator from potential harm, while preventing external interference influence test result, protection box 2 side is provided with observation window 3, observation window 3 allows operator to observe the deformation and fracture of material during test process, protection box 2 is provided with feeding assembly 4 away from observation window 3 side, protection box 2 is provided with a pair of lifting assembly 5 on the two sides, two lifting assembly 5 are provided with clamping assembly 6 away from the inner wall side of protection box 2.

[0026] The feeding assembly 4 comprises a feeding opening 41 provided on one side of the protection box 2, which provides an entrance for materials and facilitates the feeding of materials to be detected into the testing machine. A connecting piece one 42 is arranged on the protection box 2 on the side of the feeding opening 41, which provides a mounting base for a door body 43 and allows the door body 43 to rotate around the connecting piece one 42. The door body 43 is movably arranged on the connecting piece one 42 corresponding to the feeding opening 41, which is used to close the feeding opening 41 to prevent the materials from accidentally popping out during the test. A mounting groove one 44 is provided on one side of the door body 43, and a pair of springs one 45 are symmetrically arranged in the mounting groove one 44. A lock tongue 46 is arranged on one side of the two springs one 45. The combination of the mounting groove one 44, the springs one 45 and the lock tongue 46 constitutes a door lock mechanism. The lock tongue 46 is automatically locked in a mounting box one 48 arranged on the protection box 2 by the elastic force of the springs one 45, so as to lock the door body 43. A pair of moving tracks one 47 are symmetrically arranged on the inner walls of the door body 43 on both sides of the mounting groove one 44, and the lock tongue 46 is slidably arranged on the moving tracks one 47. The moving tracks one 47 provide sliding tracks for the lock tongue 46 to ensure the smooth movement of the lock tongue 46.

[0027] The door body 43 is provided with the mounting box one 48 on the side away from the connecting piece one 42. Moving tracks two 49 are arranged on the inner walls of the mounting box one 48 corresponding to the positions of the moving tracks one 47. An installation plate one 410 is arranged in the mounting box one 48. A pair of springs two 411 are symmetrically arranged on one side of the installation plate one 410. A button 412 is arranged on the side away from the installation plate one 410 of the two springs two 411. The button 412 is slidably arranged on the moving tracks two 49. A push rod 413 is arranged on one side of the button 412. The push rod 413 penetrates through the installation plate one 410. A pressing block 414 is arranged on the end of the push rod 413 away from the button 412. The combination of the mounting box one 48, the moving tracks two 49, the installation plate one 410, the springs two 411, the button 412, the push rod 413 and the pressing block 414 constitutes an unlocking mechanism. By pressing the button 412, the button 412 pushes the pressing block 414 through the push rod 413, and the pressing block 414 pushes the lock tongue 46 back into the mounting groove one 44 of the door body 43, so as to unlock the door body 43.

[0028] The lifting assembly 5 comprises a telescopic cylinder 51 arranged in the protection box 2, the telescopic cylinder 51 provides lifting power, the distance between the upper and lower clamping assemblies 6 is adjusted through the telescopic adjustment of the telescopic rod, the top of the telescopic rod of the telescopic cylinder 51 is provided with a mounting box two 52, the mounting box two 52 provides a mounting base for the clamping assembly 6, a pair of bearing seats 53 are symmetrically arranged on one side of the telescopic cylinder 51, the bearing seats 53 provide support for the rotating shaft 54 and ensure the stability of the rotating shaft 54 during rotation, the rotating shaft 54 is inserted between the two bearing seats 53, the rotating shaft 54 can drive the two side gears 55 to rotate synchronously when the rotating shaft 54 rotates, a pair of gears 55 are symmetrically arranged on both sides of the rotating shaft 54, a pair of guide column guide sleeves 56 are symmetrically arranged on both sides of the telescopic cylinder 51, two lifting guide columns 57 are slidingly arranged in the two guide column guide sleeves 56, the top of the two lifting guide columns 57 is connected with the bottom of the mounting box two 52, the combination of the guide column guide sleeve 56 and the lifting guide column 57 provides a stable lifting track for the mounting box two 52, ensuring that the clamping assembly 6 can move smoothly, the two lifting guide columns 57 are provided with a rack 58 on one side, the same side gear 55 is engaged with the rack 58, the combination of the bearing seat 53, the rotating shaft 54 and the gear 55 is used, through the engagement of the gear 55 and the rack 58, the synchronous lifting of the lifting guide column 57 is realized, thereby further ensuring that the clamping assembly 6 can move smoothly.

[0029] The clamping assembly 6 comprises a fixed sleeve 61 arranged on the inner wall of one side of the mounting box two 52, the fixed sleeve 61 provides stable support for the bidirectional screw rod 62, ensuring the stability of the bidirectional screw rod 62 during rotation, the bidirectional screw rod 62 is inserted in the fixed sleeve 61, the bidirectional screw rod 62 is rotated through the driving of the motor 63, thereby driving the two driving blocks 64 to move along the sliding rail 65, the motor 63 is arranged on the inner wall of the side of the mounting box two 52 away from the fixed sleeve 61, one end of the bidirectional screw rod 62 away from the fixed sleeve 61 is connected with the transmission end of the motor 63, the motor 63 provides driving force to drive the bidirectional screw rod 62 to rotate, a pair of driving blocks 64 are spirally sleeved outside the bidirectional screw rod 62, the driving blocks 64 provide a mounting base for the clamping seat 66, the sliding rail 65 is formed in the mounting box two 52, the two driving blocks 64 are slidingly arranged in the sliding rail 65, the sliding rail 65 provides a sliding track for the driving block 64, ensuring that the driving block 64 can move smoothly.

[0030] The two driving blocks 64 are provided with a clamping seat 66 on one side, the clamping seat 66 is used for clamping the material to be detected, the anti-skid pad 67 can increase the friction between the clamping seat 66 and the material to be detected, ensuring that the material to be detected will not fall off during the test process.

[0031] In use, the operator first opens the feeding opening 41, presses the button 412 with one hand, the button 412 compresses the spring 411, and at the same time, the button 412 transmits power to the pressing block 414 through the push rod 413, the pressing block 414 pushes the lock tongue 46 along the moving track two 49 and the moving track one 47 into the mounting groove one 44 on the side of the door body 43, and the lock tongue 46 simultaneously compresses the spring one 45, and the operator can open the door body 43 with the other hand, after the external force disappears, the spring one 45 and the spring two 411 can provide reset force for the lock tongue 46 and the button 412 respectively, then the lifting assemblies 5 on the upper side and the lower side are started according to the specifications of the material to be detected, the distance between the clamping assemblies 6 on the upper side and the lower side is adjusted through the telescopic rods of the telescopic cylinders 51, the telescopic rods of the telescopic cylinders 51 can drive the mounting box two 52 to move when telescoping, the mounting box two 52 can drive the lifting guide columns 57 on the two sides to move along the guide column guide sleeve 56, the rack 58 on the side of the guide column guide sleeve 56 transmits power to the rotating shaft 54 through meshing with the gear 55, and the rotating shaft 54 rotates to make the gears 55 on the two sides rotate synchronously, so that the lifting guide columns 57 on the two sides are lifted synchronously, and then the clamping assemblies 6 are stably moved.

[0032] After adjusting the distance between the clamping assemblies 6 on the upper side and the lower side, the material to be detected is placed between the two clamping assemblies 6, then the motor 63 is started, the motor 63 drives the bidirectional screw rod 62 to rotate, the rotary motion of the bidirectional screw rod 62 is converted into the linear motion of the driving block 64, and the driving blocks 64 on the two sides drive the clamping seats 66 to move close to each other along the slide rails 65, and the anti-skid pads 67 can increase the friction between the clamping seats 66 and the material to be detected, after the upper part and the lower part of the material to be detected are clamped stably, the operator can close the door body 43, the lock tongue 46 on the side of the door body 43 is first subjected to pressure and is retracted into the mounting groove one 44 along the moving track one 47, after complete closing, the external force disappears, the spring one 45 releases the elastic potential energy and drives the lock tongue 46 to enter the mounting box one 48 along the moving track one 47 and the moving track two 49, the door body 43 and the protection box 2 are locked, then the lifting assemblies 5 on the upper side and the lower side are started, the telescopic rods of the telescopic cylinders 51 in the lifting assemblies 5 are retracted, and the distance between the two clamping assemblies 6 is increased, so that the material to be detected is subjected to a tensile test, the protection box 2 can protect the operator, and the observation window 3 on the side of the protection box 2 can facilitate the operator to observe.

[0033] It should be understood that the above specific embodiments of the present application are only used for illustrative or explanatory purposes of the principles of the present application, and do not constitute a limitation on the present application. Therefore, any modification, equivalent replacement, improvement, etc. made without departing from the spirit and scope of the present application shall be included in the protection scope of the present application. In addition, the appended claims of the present application are intended to cover all changes and modifications falling within the scope and boundary of the appended claims, or the equivalent forms of such scope and boundary.

Claims

1. A universal material testing machine for use in quality testing of road works, comprising: Base (1) characterized in that: the base (1) is provided with a protection box (2), one side of the protection box (2) is provided with an observation window (3), the side away from the observation window (3) of the protection box (2) is provided with a feeding assembly (4), the upper and lower sides of the protection box (2) are symmetrically provided with a pair of lifting assemblies (5), and the side away from the inner wall of the protection box (2) of the two lifting assemblies (5) is provided with a clamping assembly (6).

2. The universal material testing machine for road engineering quality detection according to claim 1, characterized in that: The feeding assembly (4) comprises a feeding port (41) formed in one side of the protection box (2), a connecting piece (42) is arranged on the side of the protection box (2) of the feeding port (41), a door body (43) corresponding to the feeding port (41) is movably arranged on the connecting piece (42), a mounting groove (44) is formed in one side of the door body (43), a pair of spring (45) are symmetrically arranged in the mounting groove (44), a lock tongue (46) is arranged on one side of the two spring (45), and a pair of moving tracks (47) are symmetrically arranged on the inner walls of the door body (43) on the two sides of the mounting groove (44). The lock tongue (46) is slidably arranged on the moving track (47).

3. The universal material testing machine for road engineering quality detection according to claim 2, characterized in that: The door body (43) is provided with a mounting box (48) on the side away from the connecting piece (42), moving tracks (49) are arranged on the inner walls of the mounting box (48) on the two sides at positions corresponding to the moving tracks (47), an installation plate (410) is arranged in the mounting box (48), a pair of spring (411) are symmetrically arranged on one side of the installation plate (410), a button (412) is arranged on the side away from the installation plate (410) of the two spring (411), the button (412) is slidably arranged on the moving track (49), a push rod (413) is arranged on one side of the button (412), the push rod (413) penetrates through the installation plate (410), and a pressing block (414) is arranged on the end of the push rod (413) away from the button (412).

4. The universal material testing machine for road engineering quality detection according to claim 3, characterized in that: The lifting assembly (5) comprises a telescopic cylinder (51) arranged in the protection box (2), an installation box (52) is arranged on the top of the telescopic rod of the telescopic cylinder (51), a pair of bearing seats (53) are symmetrically arranged on one side of the telescopic cylinder (51), a rotating shaft (54) is arranged between the two bearing seats (53), a pair of gears (55) are symmetrically arranged on the two sides of the rotating shaft (54), a pair of guide columns and guide sleeves (56) are symmetrically arranged on the two sides of the telescopic cylinder (51), lifting guide columns (57) are slidably arranged in the two guide columns and guide sleeves (56), the top of the two lifting guide columns (57) is connected with the bottom of the installation box (52), and a rack (58) is arranged on one side of each of the two lifting guide columns (57). The gears (55) on the same side are engaged with the racks (58).

5. The universal material testing machine for road engineering quality detection according to claim 4, characterized in that: The clamping assembly (6) includes a fixed sleeve (61) arranged on the inner wall of one side of the second mounting box (52), a bidirectional screw rod (62) is inserted in the fixed sleeve (61), a motor (63) is arranged on the inner wall of the side of the second mounting box (52) away from the fixed sleeve (61), one end of the bidirectional screw rod (62) away from the fixed sleeve (61) is connected with the transmission end of the motor (63), a pair of driving blocks (64) are spirally sleeved outside the bidirectional screw rod (62), and slide rails (65) are formed in the second mounting box (52).

6. The universal material testing machine for road engineering quality detection according to claim 5, characterized in that: Clamping seats (66) are arranged on the two driving blocks (64), and antiskid pads (67) are arranged on one side of the two clamping seats (66).

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