Deformation measuring device of track base plate fatigue testing machine

Abstract

The utility model discloses a track base plate fatigue testing machine deformation measuring device which comprises a base, the upper surface of the base is fixedly connected with a positioning seat, one side of the positioning seat is provided with a positioning opening groove, a track plate is clamped in the positioning opening groove, one end of the positioning opening groove is provided with a clamping screw in a threaded mode, and the other end of the positioning opening groove is provided with a clamping groove. One end of each clamping screw is connected with a clamping plate, the clamping plates are connected to the surface of the track plate in a pressing mode, telescopic rods are installed at the two ends of the base, rod heads of the telescopic rods are connected with round push rods, the round push rods are connected to the two ends of the track plate in an abutting mode, and supports are arranged at the two ends of the base. A measuring scale plate is fixedly connected to one side of the support, connecting bases are connected to the two ends of the upper surface of the track plate, and measuring spotlights are fixedly installed at one ends of the connecting bases, the deformation amount can be measured by enlarging the angle during deformation, accuracy and high efficiency are achieved, combined use is facilitated, and control operation is convenient.

Description

Technical Field

[0001] The utility model relates to the field of fatigue testing, and more specifically to a deformation measuring device for a track pad fatigue testing machine. Background Art

[0002] In the performance test of the track plate, a fatigue testing machine is needed to conduct fatigue testing in order to judge its fatigue performance and ensure its safety in use.

[0003] The utility model with authorization announcement number CN 218974054 U provides a concrete fatigue deformation measuring device, including a loading plate, an L-shaped steel, an angle steel fixing accessory, a straight iron sheet and a laser displacement sensor. A first pin hole and a second pin hole are opened on the plane of the loading plate, a third pin hole and a fourth pin hole are provided on the web of the L-shaped steel, the loading plate is connected to the L-shaped steel through the third pin hole and the fourth pin hole, a fifth pin hole and a sixth pin hole are provided at the short side of the angle steel fixing accessory, and the long side of the angle steel fixing accessory is connected to the laser displacement sensor and the straight iron sheet by bolts. The L-shaped seat can not only solve the problem of small measurement range of the high-precision laser displacement sensor, but also can produce a good fixing effect with the loading plate.

[0004] The above disclosed structure is not only not conducive to the combined positioning of the test components, but also not convenient for fatigue testing of the positioning connection. It has insufficient stability and is not conducive to testing the deformation during the test, which affects the accuracy of data recording and needs to be improved. Utility Model Content

[0005] In view of the problems existing in the prior art, the purpose of the utility model is to provide a deformation measuring device for a track pad fatigue testing machine, which is connected to the track plate through a positioning seat on the base, and is clamped and fixed in combination with a clamping plate, which is convenient and stable, and a circular push rod is installed through a telescopic rod, so that it can be aligned from both ends, which is convenient for reciprocating pushing to carry out tests. At the same time, by installing a measuring scale plate and combining it with a measuring spotlight, the deformation amount can be measured by magnifying the angle during deformation, which is accurate and efficient, conducive to combined use, and convenient to control the operation.

[0006] To solve the above problems, the utility model adopts the following technical solutions.

[0007] A deformation measuring device for a track pad fatigue testing machine comprises a base, a positioning seat is fixedly connected to the upper surface of the base, a positioning opening groove is provided on one side of the positioning seat, a track plate is clamped inside the positioning opening groove, a clamping screw is threadedly installed at one end of the positioning opening groove, one end of the clamping screw is connected to a clamping plate, the clamping plate is pressed and connected to the surface of the track plate, telescopic rods are installed at both ends of the base, the rod head of the telescopic rod is connected to a circular push rod, and the circular push rod is tightly connected to the two end heads of the track plate, brackets are provided at both ends of the base, a measuring scale plate is fixedly connected to one side of the bracket, connecting seats are connected to both ends of the upper surface of the track plate, and a measuring spotlight is fixedly installed on one end of the connecting seat.

[0008] Furthermore, a cavity is provided inside the connection seat, and a magnet block is slidably connected inside the cavity.

[0009] Furthermore, the magnet block is connected to one side of the connecting seat, and the bottom of the magnet block is adsorbed on the upper surface of the track plate.

[0010] Furthermore, an adjusting screw is rotatably installed on one side of the magnet block, and the adjusting screw is threadedly installed on the upper end of the connecting seat. The magnet block and the adjusting screw are connected through a cavity, which is beneficial to magnetic adsorption positioning, and is also beneficial to adjustment and separation, avoiding interference, and is convenient to use.

[0011] Furthermore, both ends of the track plate are sleeved with protective nets, and the protective nets are sleeved on one side of the connecting seat.

[0012] Furthermore, one end of the protective net is fixedly connected to a positioning ring, and the positioning ring is installed on the surface of the positioning seat.

[0013] Furthermore, the protective net is a flexible metal net structure, which can be connected to the positioning ring through the protective net and can be installed in separate parts, which is conducive to sleeve protection, avoids the broken part from collapsing, and improves safety.

[0014] Compared with the prior art, the advantages of the present invention are:

[0015] (1) This solution connects the track plate through the positioning seat on the base, combined with the clamping plate to clamp and fix, which is convenient and stable. The circular push rod is installed through the telescopic rod, which can be aligned from both ends, making it convenient to push back and forth for testing. At the same time, by installing the measuring scale plate and combining it with the measuring spotlight, the deformation amount can be measured by magnifying the angle during deformation. It is accurate and efficient, conducive to combined use, and convenient for control operation.

[0016] (2) The magnet block and the adjusting screw are connected through the cavity, which is beneficial to magnetic adsorption positioning and adjustment separation, avoiding interference and facilitating use.

[0017] (3) The positioning ring is connected by the protective net, and can be installed in a split manner, which is conducive to sleeve protection, avoids the broken part from collapsing, and improves safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 It is a partial structural diagram of the track plate connection of the utility model;

[0020] Figure 3 It is a structural schematic diagram of the connection between the magnet block and the connecting seat of the utility model.

[0021] Description of the numbers in the figure:

[0022] 1 base, 11 positioning seat, 12 positioning opening groove, 13 track plate, 14 clamping screw, 15 clamping plate, 16 telescopic rod, 17 round push rod, 18 bracket, 19 measuring scale plate, 2 connecting seat, 21 measuring spotlight, 22 cavity, 23 magnet block, 24 adjusting screw, 25 protective net, 26 positioning ring. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model; it is obvious that the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments, and all other embodiments obtained by ordinary technicians in this field based on the embodiments of the utility model without making creative work are within the scope of protection of the utility model.

[0024] Example 1

[0025] See also Figure 1 and Figure 3 A deformation measuring device for a track pad fatigue testing machine comprises a base 1, a positioning seat 11 is fixedly connected to the upper surface of the base 1, a positioning opening groove 12 is provided on one side of the positioning seat 11, a track plate 13 is clamped inside the positioning opening groove 12, a clamping screw 14 is threadedly installed at one end of the positioning opening groove 12, a clamping plate 15 is connected to one end of the clamping screw 14, the clamping plate 15 is pressed and connected to the surface of the track plate 13, telescopic rods 16 are installed at both ends of the base 1, a circular push rod 17 is connected to the rod head of the telescopic rod 16, and the circular push rod 17 is tightly connected to the two end heads of the track plate 13, brackets 18 are provided at both ends of the base 1, a measuring scale plate 19 is fixedly connected to one side of the bracket 18, connecting seats 2 are connected to the upper surface of the track plate 13 at both ends, and a measuring spotlight 21 is fixedly installed at one end of the connecting seat 2.

[0026] The connection base 2 is provided with a cavity 22 inside, and a magnet block 23 is slidably connected inside the cavity 22. The magnet block 23 is connected to one side of the connection base 2, and the bottom of the magnet block 23 is adsorbed on the upper surface of the track plate 13. An adjustment screw 24 is rotatably installed on one side of the magnet block 23, and the adjustment screw 24 is threadedly installed on the upper end of the connection base 2. The magnet block and the adjustment screw are connected through the cavity, which is conducive to magnetic adsorption positioning, and is conducive to adjustment and separation, avoiding interference, and convenient use.

[0027] When in use, the track plate 13 can be placed inside the positioning opening groove 12, and then the clamping screw 14 is rotated to push the clamping plate 15, which can be pressed downward to position, which is convenient for clamping and connecting, efficient and stable. In this way, the two end heads of the track plate 13 can be connected to the two circular push rods 17, and then the connecting seat 2 can be placed at the two end positions of the upper surface of the track plate 13, combined with the magnet block 23 for adsorption and positioning, and can be installed in combination, and then the measuring spotlight 19 can be adjusted in direction and aligned to the position of the measuring scale plate 19, and the scale position of horizontal irradiation can be recorded, and then the telescopic rod 16 can be controlled to reciprocate and extend, and the circular push rod 17 can be combined to push the track plate 13 to be elastically bent, so as to carry out fatigue testing, and when bending, the connecting seat 2 can be partially flipped at an angle, and after the measuring spotlight 21 is tilted, the scale position change on the surface of the measuring scale plate 19 can be irradiated, and a smaller deformation can be magnified for measurement, and then the measurement result can be accurately measured through calculation, which is convenient for combined use, convenient and stable, and when disassembling the connecting seat 2, the adjusting screw 24 can be rotated to slide the magnet block 23 upward, which is convenient for separation and avoids interference.

[0028] Example 2

[0029] See also Figure 1 and Figure 2 A deformation measuring device for a track pad fatigue testing machine comprises a base 1, a positioning seat 11 is fixedly connected to the upper surface of the base 1, a positioning opening groove 12 is provided on one side of the positioning seat 11, a track plate 13 is clamped inside the positioning opening groove 12, a clamping screw 14 is threadedly installed at one end of the positioning opening groove 12, a clamping plate 15 is connected to one end of the clamping screw 14, the clamping plate 15 is pressed and connected to the surface of the track plate 13, telescopic rods 16 are installed at both ends of the base 1, a circular push rod 17 is connected to the rod head of the telescopic rod 16, and the circular push rod 17 is tightly connected to the two end heads of the track plate 13, brackets 18 are provided at both ends of the base 1, a measuring scale plate 19 is fixedly connected to one side of the bracket 18, connecting seats 2 are connected to the upper surface of the track plate 13 at both ends, and a measuring spotlight 21 is fixedly installed at one end of the connecting seat 2.

[0030] Both ends of the track plate 13 are sleeved with a protective net 25, which is sleeved on one side of the connecting seat 2. One end of the protective net 25 is fixedly connected to a positioning ring 26, which is installed on the surface of the positioning seat 11. The protective net 25 is a flexible metal net structure, which is connected to the positioning ring through the protective net, and can be installed in parts, which is conducive to sleeve protection, avoids the broken part from collapsing, and improves safety.

[0031] The above is only a preferred specific implementation of the utility model; however, the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solution and improved ideas of the utility model within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model.

Claims

1. A deformation measuring device for a track pad fatigue testing machine, comprising a base (1), a positioning seat (11) being fixedly connected to the upper surface of the base (1), a positioning opening groove (12) being provided on one side of the positioning seat (11), a track plate (13) being clamped inside the positioning opening groove (12), and characterized in that: A clamping screw (14) is threadedly mounted on one end of the positioning opening groove (12), and one end of the clamping screw (14) is connected to a clamping plate (15), and the clamping plate (15) is tightly connected to the surface of the track plate (13). Telescopic rods (16) are mounted on both ends of the base (1), and the rod head of the telescopic rod (16) is connected to a circular push rod (17), and the circular push rod (17) is tightly connected to the two end heads of the track plate (13). Brackets (18) are provided at both ends of the base (1), and a measuring scale plate (19) is fixedly connected to one side of the bracket (18). A connecting seat (2) is connected to both ends of the upper surface of the track plate (13), and a measuring spotlight (21) is fixedly mounted on one end of the connecting seat (2).

2. A deformation measuring device for a track pad fatigue testing machine according to claim 1, characterized in that: A cavity (22) is provided inside the connection seat (2), and a magnet block (23) is slidably connected inside the cavity (22).

3. A deformation measuring device for a track pad fatigue testing machine according to claim 2, characterized in that: The magnet block (23) is connected to one side of the connecting seat (2), and the bottom of the magnet block (23) is adsorbed on the upper surface of the track plate (13).

4. A deformation measuring device for a track pad fatigue testing machine according to claim 2, characterized in that: An adjusting screw (24) is rotatably mounted on one side of the magnet block (23), and the adjusting screw (24) is threadedly mounted on the upper end of the connecting seat (2).

5. The deformation measuring device for a track pad fatigue testing machine according to claim 1, characterized in that: Both ends of the track plate (13) are sleeved with protective nets (25), and the protective net (25) is sleeved on one side of the connecting seat (2).

6. A deformation measuring device for a track pad fatigue testing machine according to claim 5, characterized in that: One end of the protection net (25) is fixedly connected to a positioning ring (26), and the positioning ring (26) is installed on the surface of the positioning seat (11).

7. The deformation measuring device for a track pad fatigue testing machine according to claim 5, characterized in that: The protective net (25) is a flexible metal net structure.

Images