In-situ tensile fracture test device for polyester fiber asphalt mortar

Abstract

The invention provides a polyester fiber asphalt mortar in-situ tensile fracture test device which comprises a base, a pressure test wheel is arranged between a placement block and a fixing plate, two placement racks are symmetrically arranged on the inner side of a fixing rack, pressure test balls are correspondingly arranged at the upper ends of the placement racks, anti-skid racks are arranged on the inner sides of the placement racks, and the anti-skid racks are arranged on the inner sides of the placement racks. And two sides of the connecting piece are symmetrically provided with two elastic force dynamometers. A pressure test wheel is rotatably connected to the outer side of a rotating shaft, and a clamping groove is formed in the inner side of a placement block, so that the device facilitates rapid, simple and uniform pressure test tensile fracture, a connecting piece is fixedly connected to the upper end of a sliding pressing rod, two connecting plates are symmetrically and fixedly connected to the two sides of the connecting piece, and third electric push rods are fixedly connected to the lower ends of the connecting plates; the lower end of the third electric push rod is fixedly connected to the upper end of the fixing frame, and an elastic force dynamometer is correspondingly arranged on one side of the connecting plate, so that the device is convenient to quickly and accurately measure force and test pressure and is not easy to slide randomly in a tensile fracture test process.

Description

Technical Field

[0001] The invention relates to the technical field of tensile fracture testing, in particular to an in-situ tensile fracture testing device for polyester fiber asphalt mortar. Background Art

[0002] Polyester fiber asphalt mortar is a composite material mixed with polyester fiber and asphalt. After it is made into mortar, it needs to be put into large quantities for use. Before use, the quality of the polyester fiber asphalt mortar needs to be tested. The method of testing the quality is to perform a tensile fracture test on it and apply stable pressure to it so that the quality of the polyester fiber asphalt mortar can be tested. Therefore, it is necessary to set up an in-situ tensile fracture test device for polyester fiber asphalt mortar.

[0003] When using the in-situ tensile fracture test device for polyester fiber asphalt mortar, in the prior art, the polyester fiber asphalt mortar is installed inside a very complex structure and then collided once. When it is installed inside the clamping structure and pressure is applied to break, it is easy to slide and it is difficult to accurately measure the amount of pressure. Summary of the invention

[0004] 1. Technical issues to be solved

[0005] In view of the shortcomings of the prior art, the present invention provides an in-situ tensile fracture test device for polyester fiber asphalt mortar, which solves the problem that the pressure test process is always a small-range direct impact and it is difficult to conduct uniform pressure test, and solves the problem that the polyester fiber asphalt mortar is prone to slide randomly during the pressure test and the test pressure cannot be measured.

[0006] (II) Technical solution

[0007] To achieve the above objectives, the present invention is implemented through the following technical scheme: a polyester fiber asphalt mortar in-situ tensile fracture test device, comprising a base, a fixing frame is fixedly connected to the upper end of the base, a fixing plate and a placement block are respectively arranged on one side of the fixing frame, a pressure test wheel is arranged between the placement block and the fixing plate, two placement frames are symmetrically arranged on the inner side of the fixing frame, a pressure test ball is correspondingly arranged on the upper end of the placement frame, an anti-slip frame is arranged on the inner side of the placement frame, a connecting piece is correspondingly arranged on the upper end of the pressure test ball, and two elastic dynamometers are symmetrically arranged on both sides of the connecting piece.

[0008] Preferably, a clamping groove is provided on the inner side of the placing block, a rotating shaft is rotatably connected to the inner side of the pressure test wheel, a moving frame is fixedly connected to the outer side of the rotating shaft, two first electric push rods are symmetrically fixedly connected to one side of the moving frame, a pushing block is fixedly connected to one side of the first electric push rod, a connecting block is fixedly connected to one side of the pushing block, a lead screw is threadedly connected to the inner side of the connecting block, a shell is installed on the outer side of the lead screw, and the shell is fixedly connected to the side wall of the fixed plate.

[0009] Preferably, a connecting plate is correspondingly provided on one side of the elastic dynamometer, one side of the connecting plate is fixedly connected to the side wall of the connecting member, the lower end of the connecting plate is fixedly connected to a third electric push rod, the lower end of the third electric push rod is fixedly connected to the upper end of the fixing frame, and two mounting blocks are symmetrically fixedly connected on both sides of the elastic dynamometer, and locking bolts are threaded on the mounting blocks.

[0010] Preferably, the upper end of the pressure test ball is fixedly connected to a sliding pressure rod, the side wall of the sliding pressure rod is fixedly connected to a scale plate, the outer side of the sliding pressure rod is slidably connected to a sliding column, the lower end of the sliding column is fixedly connected to the upper end of the fixed frame, the lower end of the pressure test ball is provided with a pressure test groove, the inner side of the pressure test groove is evenly fixedly connected to a fixed block, and the lower end of the fixed block is fixedly connected to a third anti-slip pad.

[0011] Preferably, two second electric push rods are symmetrically fixedly connected to one side of the placement rack, and a fixing box is fixedly connected to one side of the second electric push rod, and the fixing box is fixedly connected to the side wall of the fixing rack.

[0012] Preferably, two support seats are symmetrically fixedly connected to the lower end of the base, a support plate is fixedly connected to one side of the support seat, a cross support frame is arranged between the support plates, the upper end of the cross support frame is fixedly connected to the lower end of the base, a fixing plate is fixedly connected between the cross support frames, a plurality of threaded rods are threadedly connected to the inner side of the fixing plate, and a movable wheel is installed at the lower end of the threaded rod.

[0013] Preferably, an anti-slip groove is correspondingly arranged at the lower end of the anti-slip frame, a first anti-slip pad is arranged on one side of the anti-slip groove, and the lower end of the first anti-slip pad is fixedly connected to the inner bottom of the placement frame.

[0014] Preferably, a plurality of first damping springs are evenly and fixedly connected to the upper end of the anti-slip frame, the first damping springs are fixedly connected to the inner top of the placement frame, the lower end of the anti-slip frame is fixedly connected to a second anti-slip pad, two anti-slip plates are symmetrically arranged on one side of the second anti-slip pad, two second damping springs are symmetrically and fixedly connected to one side of the anti-slip plate, and the second damping springs are fixedly connected to the inner wall of the anti-slip frame.

[0015] (III) Beneficial effects

[0016] The present invention provides an in-situ tensile fracture test device for polyester fiber asphalt mortar.

[0017] Beneficial effects:

[0018] 1. A fixed plate is fixedly connected to the upper end of the base, a shell is fixedly connected to the inner side of the fixed plate, a screw structure is arranged on the inner side of the shell, a connecting block is arranged on one side of the screw, a pushing block is fixedly connected to one side of the connecting block, a first electric push rod is fixedly connected to one side of the pushing block, a moving frame is fixedly connected to one side of the first electric push rod, a rotating shaft is fixedly connected between the moving frames, a pressure test wheel is rotatably connected to the outer side of the rotating shaft, a placement block is correspondingly arranged on one side of the pressure test wheel, and a clamping groove is arranged on the inner side of the placement block, so that it is convenient for quick and easy uniform pressure test and tensile fracture test.

[0019] 2. A fixed frame is fixedly connected to the upper end of the base, two fixed boxes are symmetrically arranged on both sides of the fixed frame, two second electric push rods are symmetrically fixedly connected to the inner side of the fixed box, one side of the second electric push rod is fixedly connected to a placement frame, the inner bottom of the placement frame is fixedly connected to a first anti-skid pad, one side of the first anti-skid pad is provided with an anti-skid groove, an anti-skid frame is correspondingly arranged on the inner top of the placement frame, two anti-skid plates are symmetrically slidably connected to the inner side of the anti-skid plate, two second damping springs are symmetrically fixedly connected to one side of the anti-skid plate, the other side of the anti-skid pad is fixedly connected, and a plurality of first damping springs are evenly fixedly connected to the upper end of the anti-skid frame, and the first damping springs The upper end is fixedly connected to the top inner side of the placement rack, and a pressure test ball is correspondingly arranged on the upper end of the placement rack, and a sliding pressure rod is fixedly connected to the upper end of the pressure test ball, and a sliding column is slidably connected to the outer side of the sliding pressure rod, and the lower end of the sliding column is fixedly connected to the upper end of the fixed rack, and a connecting piece is fixedly connected to the upper end of the sliding pressure rod, and two connecting plates are symmetrically fixedly connected on both sides of the connecting piece, and a third electric push rod is fixedly connected to the lower end of the connecting plate, and the lower end of the third electric push rod is fixedly connected to the upper end of the fixed rack, and an elastic dynamometer is correspondingly arranged on one side of the connecting plate, which makes it convenient to quickly and accurately measure force and pressure and not easy to slide at will during the tensile fracture test. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 A perspective view of the present invention;

[0021] Figure 2 It is a schematic diagram of the structure between the push block and the housing of the present invention;

[0022] Figure 3 It is a structural schematic diagram of the lead screw of the present invention;

[0023] Figure 4 It is a schematic structural diagram of the sliding downward pressure rod and the pressure test ball of the present invention;

[0024] Figure 5 It is a structural schematic diagram of the anti-skid groove at the bottom inner side of the storage rack of the present invention;

[0025] Figure 6 It is a schematic structural diagram of the anti-slip frame on the top of the inner side of the storage rack of the present invention;

[0026] Figure 7 It is a structural schematic diagram of the third anti-skid groove of the pressure test tank of the present invention;

[0027] Figure 8 It is an enlarged view of A in the figure of the present invention;

[0028] Fig. 9 It is an enlarged view of point B in the figure of the present invention.

[0029] Among them, 1. base; 2. support seat; 3. cross support frame; 4. threaded rod; 5. fixing plate; 6. moving wheel; 7. support plate; 8. fixing plate; 9. first electric push rod; 10. moving frame; 11. rotating shaft; 12. pressure test wheel; 13. placement block; 14. clamping groove; 15. fixing box; 16. second electric push rod; 17. placement frame; 18. first anti-skid pad; 19. anti-skid groove; 20. first damping spring; 21. anti-skid frame; 22. anti-skid Plate; 23, second damping spring; 24, second anti-skid pad; 25, sliding down rod; 26, pressure test ball; 27, pressure test groove; 28, third anti-skid pad; 29, fixing block; 30, sliding column; 31, connecting piece; 32, connecting plate; 33, elastic force dynamometer; 34, third electric push rod; 35, scale plate; 36, mounting block; 37, locking bolt; 38, lead screw; 39, connecting block; 40, housing; 41, pushing block; 42, fixing bracket. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0031] Example:

[0032] like Figure 1-9As shown, an embodiment of the present invention provides an in-situ tensile fracture test device for polyester fiber asphalt mortar, including a base 1, a fixing frame 42 is fixedly connected to the upper end of the base 1, a fixing plate 8 and a placing block 13 are respectively arranged on one side of the fixing frame 42, a pressure test wheel 12 is arranged between the placing block 13 and the fixing plate 8, and the pressure test wheel 12 can stably perform pressure test during the rotation and up and down movement. Two placing frames 17 are symmetrically arranged on the inner side of the fixing frame 42, and a pressure test ball 26 is correspondingly arranged on the upper end of the placing frame 17. The pressure test ball 26 can press down for pressure test, and an anti-skid frame 21 is arranged on the inner side of the placing frame 17. The anti-skid frame 21 prevents the polyester fiber asphalt mortar from sliding at will, and a connecting piece 31 is correspondingly arranged on the upper end of the connecting piece 31. Two elastic dynamometers 33 are symmetrically arranged on both sides of the connecting piece 31. The elastic dynamometer 33 is a prior art structure and can measure the size of the test pressure.

[0033] A clamping groove 14 is provided on the inner side of the placement block 13, and a rotating shaft 11 is rotatably connected to the inner side of the test pressure wheel 12. A moving frame 10 is fixedly connected to the outer side of the rotating shaft 11, and two first electric push rods 9 are symmetrically fixedly connected to one side of the moving frame 10. The first electric push rods 9 are a prior art structure that is powered by an internal motor. A pushing block 41 is fixedly connected to one side of the first electric push rod 9, and a connecting block 39 is fixedly connected to one side of the pushing block 41. A lead screw 38 is threadedly connected to the inner side of the connecting block 39. The lead screw 38 is a prior art structure that is driven to rotate by a motor on one side and a bearing structure is provided on the other side. A shell 40 is installed on the outer side of the lead screw 38, and the shell 40 is fixedly connected to the side wall of the fixed plate 8.

[0034] A connecting plate 32 is correspondingly provided on one side of the elastic dynamometer 33, one side of the connecting plate 32 is fixedly connected to the side wall of the connecting piece 31, and a third electric push rod 34 is fixedly connected to the lower end of the connecting plate 32. The third electric push rod 34 is a prior art structure that provides power through an internal motor. The lower end of the third electric push rod 34 is fixedly connected to the upper end of the fixing frame 42. Two mounting blocks 36 are symmetrically fixedly connected on both sides of the elastic dynamometer 33, and locking bolts 37 are threaded on the mounting blocks 36. The locking bolts 37 and the mounting blocks 36 are used to lock the elastic dynamometer 33.

[0035] The upper end of the pressure test ball 26 is fixedly connected to a sliding pressure rod 25, the side wall of the sliding pressure rod 25 is fixedly connected to a scale plate 35, the outer side of the sliding pressure rod 25 is slidably connected to a sliding column 30, the lower end of the sliding column 30 is fixedly connected to the upper end of a fixed frame 42, and a pressure test groove 27 is provided at the lower end of the pressure test ball 26, a fixed block 29 is evenly fixedly connected to the inner side of the pressure test groove 27, and a third anti-slip pad 28 is fixedly connected to the lower end of the fixed block 29.

[0036] Two second electric push rods 16 are symmetrically fixedly connected to one side of the placement rack 17. The second electric push rods 16 are a prior art structure powered by an internal motor. A fixing box 15 is fixedly connected to one side of the second electric push rod 16. The fixing box 15 is fixedly connected to the side wall of the fixing rack 42.

[0037] Two supporting seats 2 are symmetrically fixedly connected to the lower end of the base 1, a supporting plate 7 is fixedly connected to one side of the supporting seat 2, a cross supporting frame 3 is arranged between the supporting plates 7, the cross supporting frame 3 is used to support the device, the upper end of the cross supporting frame 3 is fixedly connected to the lower end of the base 1, a fixing plate 5 is fixedly connected between the cross supporting frames 3, a plurality of threaded rods 4 are threadedly connected to the inner side of the fixing plate 5, a moving wheel 6 is installed at the lower end of the threaded rod 4, the moving wheel 6 can move the device when it rotates downward, and can support the device when it rotates upward when supporting.

[0038] The anti-skid groove 19 is correspondingly arranged at the lower end of the anti-skid frame 21 , and a first anti-skid pad 18 is arranged on one side of the anti-skid groove 19 . The lower end of the first anti-skid pad 18 is fixedly connected to the inner bottom of the placement frame 17 .

[0039] A plurality of first damping springs 20 are evenly and fixedly connected to the upper end of the anti-slip frame 21, and the first damping spring 20 is fixedly connected to the inner top of the placement frame 17. A second anti-slip pad 24 is fixedly connected to the lower end of the anti-slip frame 21, and two anti-slip plates 22 are symmetrically arranged on one side of the second anti-slip pad 24. Two second damping springs 23 are symmetrically and fixedly connected to one side of the anti-slip plate 22, and the second damping spring 23 is fixedly connected to the inner wall of the anti-slip frame 21.

[0040] Working principle: Install the device, the upper end of the base 1 is fixedly connected with a fixing plate 8, the inner side of the fixing plate 8 is fixedly connected with a shell 40, the inner side of the shell 40 is provided with a lead screw 38 structure, a connecting block 39 is provided on one side of the lead screw 38, a pushing block 41 is fixedly connected to one side of the connecting block 39, a first electric push rod 9 is fixedly connected to one side of the pushing block 41, a moving frame 10 is fixedly connected to one side of the first electric push rod 9, a rotating shaft 11 is fixedly connected between the moving frames 10, a pressure test wheel 12 is rotatably connected to the outer side of the rotating shaft 11, a placement block 13 is correspondingly provided on one side of the pressure test wheel 12, a clamping groove 14 is provided on the inner side of the placement block 13, so that it is convenient for quick and easy uniform pressure test and tensile fracture test, two anti-skid plates 22 are symmetrically slidably connected to the inner side of the anti-skid plate 21, two second damping springs 23 are symmetrically fixedly connected to one side of the anti-skid plate 22, and the other side of the anti-skid frame 21 is fixedly connected There is a second anti-slip pad 24, and a plurality of first damping springs 20 are evenly fixedly connected to the upper end of the anti-slip frame 21. The upper end of the first damping spring 20 is fixedly connected to the inner top of the placement frame 17, and a pressure test ball 26 is correspondingly arranged on the upper end of the placement frame 17. The upper end of the pressure test ball 26 is fixedly connected to a sliding downward pressure rod 25, and a sliding column 30 is slidably connected to the outer side of the sliding downward pressure rod 25. The lower end of the sliding column 30 is fixedly connected to the upper end of the fixed frame 42, and the upper end of the sliding downward pressure rod 25 is fixedly connected to a connecting piece 31. Two connecting plates 32 are symmetrically fixedly connected on both sides of the connecting piece 31. The lower end of the connecting plate 32 is fixedly connected to a third electric push rod 34, and the lower end of the third electric push rod 34 is fixedly connected to the upper end of the fixed frame 42. An elastic dynamometer 33 is correspondingly arranged on one side of the connecting plate 32, so that it is convenient for fast and accurate force measurement and pressure testing and is not easy to slide at will during the tensile fracture test.

[0041] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A polyester fiber asphalt mortar in-situ tensile fracture test device, comprising a base (1), characterized in that: The upper end of the base (1) is fixedly connected to a fixing frame (42), one side of the fixing frame (42) is respectively provided with a fixing plate (8) and a placement block (13), a pressure test wheel (12) is provided between the placement block (13) and the fixing plate (8), two placement frames (17) are symmetrically provided inside the fixing frame (42), a pressure test ball (26) is correspondingly provided at the upper end of the placement frame (17), an anti-slip frame (21) is provided inside the placement frame (17), a connecting piece (31) is correspondingly provided at the upper end of the pressure test ball (26), and two elastic force gauges (33) are symmetrically provided on both sides of the connecting piece (31).

2. The polyester fiber asphalt mortar in-situ tensile fracture test device according to claim 1, characterized in that: A clamping groove (14) is provided on the inner side of the placement block (13); a rotating shaft (11) is rotatably connected to the inner side of the pressure test wheel (12); a moving frame (10) is fixedly connected to the outer side of the rotating shaft (11); two first electric push rods (9) are symmetrically fixedly connected to one side of the moving frame (10); a pushing block (41) is fixedly connected to one side of the first electric push rod (9); a connecting block (39) is fixedly connected to one side of the pushing block (41); a lead screw (38) is threadedly connected to the inner side of the connecting block (39); a shell (40) is installed on the outer side of the lead screw (38); and the shell (40) is fixedly connected to the side wall of the fixed plate (8).

3. The polyester fiber asphalt mortar in-situ tensile fracture test device according to claim 1, characterized in that: A connecting plate (32) is correspondingly provided on one side of the elastic dynamometer (33), one side of the connecting plate (32) is fixedly connected to the side wall of the connecting member (31), a third electric push rod (34) is fixedly connected to the lower end of the connecting plate (32), and the lower end of the third electric push rod (34) is fixedly connected to the upper end of the fixing frame (42), and two mounting blocks (36) are symmetrically fixedly connected to the two sides of the elastic dynamometer (33), and locking bolts (37) are threadedly connected to the mounting blocks (36).

4. The polyester fiber asphalt mortar in-situ tensile fracture test device according to claim 1, characterized in that: The upper end of the pressure test ball (26) is fixedly connected to a sliding downward pressure rod (25), the side wall of the sliding downward pressure rod (25) is fixedly connected to a scale plate (35), the outer side of the sliding downward pressure rod (25) is slidably connected to a sliding column (30), the lower end of the sliding column (30) is fixedly connected to the upper end of a fixed frame (42), the lower end of the pressure test ball (26) is provided with a pressure test groove (27), the inner side of the pressure test groove (27) is evenly fixedly connected to a fixed block (29), and the lower end of the fixed block (29) is fixedly connected to a third anti-slip pad (28).

5. The polyester fiber asphalt mortar in-situ tensile fracture test device according to claim 1, characterized in that: Two second electric push rods (16) are symmetrically fixedly connected to one side of the placement rack (17), and a fixed box (15) is fixedly connected to one side of the second electric push rod (16), and the fixed box (15) is fixedly connected to the side wall of the fixed rack (42).

6. The polyester fiber asphalt mortar in-situ tensile fracture test device according to claim 1, characterized in that: The lower end of the base (1) is symmetrically fixedly connected to two support bases (2), one side of the support base (2) is fixedly connected to a support plate (7), a cross support frame (3) is arranged between the support plates (7), the upper end of the cross support frame (3) is fixedly connected to the lower end of the base (1), a fixing plate (5) is fixedly connected between the cross support frames (3), a plurality of threaded rods (4) are threadedly connected to the inner side of the fixing plate (5), and a moving wheel (6) is installed at the lower end of the threaded rod (4).

7. The polyester fiber asphalt mortar in-situ tensile fracture test device according to claim 1, characterized in that: The lower end of the anti-slip frame (21) is correspondingly provided with an anti-slip groove (19), and a first anti-slip pad (18) is provided on one side of the anti-slip groove (19), and the lower end of the first anti-slip pad (18) is fixedly connected to the inner bottom of the placement frame (17).

8. The polyester fiber asphalt mortar in-situ tensile fracture test device according to claim 1, characterized in that: A plurality of first damping springs (20) are evenly and fixedly connected to the upper end of the anti-slip frame (21), and the first damping springs (20) are fixedly connected to the inner top of the placement frame (17). A second anti-slip pad (24) is fixedly connected to the lower end of the anti-slip frame (21), and two anti-slip plates (22) are symmetrically arranged on one side of the second anti-slip pad (24), and two second damping springs (23) are symmetrically and fixedly connected to one side of the anti-slip plate (22), and the second damping springs (23) are fixedly connected to the inner wall of the anti-slip frame (21).

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