CN210243130U - Box mechanical collision testing device - Google Patents
Box mechanical collision testing device Download PDFInfo
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- CN210243130U CN210243130U CN201921103664.5U CN201921103664U CN210243130U CN 210243130 U CN210243130 U CN 210243130U CN 201921103664 U CN201921103664 U CN 201921103664U CN 210243130 U CN210243130 U CN 210243130U
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- section bar
- pendulum
- assembly
- limiting
- optical axis
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Abstract
The utility model discloses a box mechanical collision testing device, which comprises a base, a supporting frame and a pendulum mechanism; the supporting frame is welded on the base; set up optical axis supporting seat and optical axis on the braced frame, pendulum mechanism installs on the optical axis. The utility model discloses can strike bump test to box transformer, strapping table case etc. of electric power industry.
Description
Technical Field
The utility model relates to a box mechanical collision testing arrangement.
Background
GB/T02423-55 is a national standard about environmental tests of electrical and electronic products, wherein hammer test contents exist. However, due to the diversity of the objects to be tested, a testing device suitable for the box-type transformer and the meter box in the power industry needs to be provided when the pendulum bob is used for testing the box-type transformer and the meter box.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a simple structure's box mechanical collision testing arrangement can carry out impact collision test to box transformer, strapping table case etc. of electric power industry.
The scheme of the utility model is as follows: the box body mechanical collision testing device comprises a base, a supporting frame and a pendulum mechanism;
the supporting frame comprises an upper section bar, a lower section bar, a left section bar and a right section bar which are welded together, wherein two ends of the upper section bar are respectively welded at the upper ends of the left section bar and the right section bar close to the inner wall and the outer wall, and two ends of the lower section bar are respectively welded at the lower ends of the left section bar and the right section bar close to the inner wall and the outer wall; the top surface of the upper section bar, the left top surface and the right top surface are positioned on the same horizontal line, and the bottom surface of the lower section bar is higher than the bottom surfaces of the left section bar and the right section bar; the bottom ends of the left and right sectional materials are welded on the base;
optical axis supporting seats are fixedly arranged on the inner wall and the outer wall of the left section bar and the right section bar, an optical axis is arranged between the optical axis supporting seat and the upper section bar, and the optical axis is arranged in parallel with the upper section bar;
the pendulum mechanism comprises a mounting base, a linear bearing, a rotating bracket, a pendulum limiting assembly and a pendulum assembly; the pendulum limiting assembly and the pendulum assembly are sleeved on the rotating shaft, so that the pendulum limiting assembly and the pendulum assembly can rotate by taking the rotating shaft as a rotating center; a pair of linear bearings is arranged on one side face of the mounting base and is in assembly connection with the optical axis.
Furthermore, the pendulum bob limiting assembly comprises a pair of limiting plates and limiting blocks which are arranged in parallel; the parallel limit plate is Z-shaped, the upper end of the parallel limit plate is provided with a mounting hole, and the lower end of the mounting hole is provided with limit holes which are arranged up and down; the limiting plates are welded among the limiting plates respectively.
Furthermore, the pendulum assembly comprises a pendulum mounting seat, a swinging rod and a pendulum; one end of the swing rod is assembled with the pendulum bob mounting seat, and the other end of the swing rod is assembled with the pendulum bob;
the pendulum bob mounting seat is sleeved on the rotating shaft, and the pendulum bob is provided with a limiting block.
Furthermore, two corners of one end of the base are respectively provided with a supporting section bar which is welded and fixed with the left section bar and the right section bar.
Furthermore, flexible back cushions are arranged on the lower section bar, the left section bar and the right section bar and are made of flexible materials.
The device has the following characteristics: 1. the structure is simple, and the applicability is wide; 2. the impact height is accurately positioned, and the test repeatability is high; 3. simple use, convenient clamping and rapid detection.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a side view of the present invention.
Fig. 3 is a perspective view of the present invention when the pendulum mechanism is not installed.
Fig. 4 is a front view of the pendulum mechanism of the present invention.
Fig. 5 is a perspective view of the pendulum mechanism of the present invention.
Fig. 6 is a perspective view of the rotating bracket of the present invention.
Fig. 7 is a perspective view of the pendulum limiting assembly of the present invention.
Fig. 8 is a side view of the pendulum assembly of the present invention.
Detailed Description
As shown in FIGS. 1 and 2, the present invention discloses a mechanical impact testing device for a box, which comprises a base 1, a supporting frame 2 and a pendulum mechanism 3.
As shown in FIG. 3, the supporting frame 1 of the utility model is formed by welding upper, lower, left and right profiles 1-1, 1-2, 1-3 and 1-4, wherein the two ends of the upper profile 1-1 are respectively welded at the upper ends of the left and right profiles 1-3 and 1-4 near the inner and outer walls, and the two ends of the lower profile 1-2 are respectively welded at the lower ends of the left and right profiles 1-3 and 1-4 near the inner and outer walls; the top surface of the upper section bar 1-1 and the top surfaces of the left and right sections 1-3 and 1-4 are positioned on the same horizontal line, and the bottom surface of the lower section bar 1-2 is higher than the bottom surfaces of the left and right sections 1-3 and 1-4; the bottom ends of the left and right section bars 1-3 and 1-4 are welded on the base 1. The lower, left and right section bars 1-2, 1-3 and 1-4 are all provided with flexible back cushions 4 made of flexible materials. Two corners at one end of the base 1 are respectively provided with a supporting section bar 1-5 which is welded and fixed with the left section bar and the right section bar to play a role in supporting and fixing. The utility model is formed by welding industrial section bars, has the advantages of high strength, enough rigidity and the like, and is beautiful and elegant; the flexible back cushion protects the surface of the test box body from being damaged in the test process; the base is a reference platform during box body test, can guarantee the levelness that the box body was placed, has ensured experimental reliability.
The left and right section bars 1-3 and 1-4 of the utility model are respectively fixed with an optical axis supporting seat 5 by the inner and outer walls, an optical axis 6 is arranged between the optical axis supporting seat 5 and the upper section bar 1-1, and the optical axis 6 is arranged in parallel with the upper section bar 1-1.
As shown in fig. 4 and 5, the pendulum mechanism 3 of the present invention comprises a mounting base 7, a linear bearing 8, a rotating bracket 9, a pendulum limiting assembly, and a pendulum assembly; a rotating support 9 is arranged in the middle of the bottom surface of the mounting base 7, a rotating shaft 10 parallel to the mounting base 7 is arranged on the rotating support 9, and the pendulum mass limiting assembly and the pendulum mass assembly are both sleeved on the rotating shaft 10, so that the pendulum mass limiting assembly and the pendulum mass assembly can rotate by taking the rotating shaft 10 as a rotating center; a pair of linear bearings 8 are arranged on one side face of the mounting base 7, and the linear bearings 8 are connected with the optical axis 6 in an assembling mode. The linear bearing can guarantee the direction and the removal of reciprocating in-process, through on the optical axis, the solid fixed ring (the attached drawing does not show, prior art) is installed respectively to linear bearing's top and below, adjusts fixedly to linear bearing's height position. A machine capable of adjusting the relative height is formed by the rotary support and the pendulum limiting assembly, and the 200-500mm variable quantity required by the standard is effectively matched.
As shown in fig. 6, the rotating bracket of the present invention is an inverted U-shape, and the bracket is provided with a rotating shaft hole 11 for installing a rotating shaft 10, and two pairs of limiting holes 12 (four) are also provided. The rotating support is formed by a whole piece of metal material in an integrated machining mode, the overall strength and the rigidity are perfect, four limiting holes correspond to limiting holes I in the pendulum bob, the limiting holes are fixed through pins, a mechanism capable of adjusting the relative impact height of the pendulum bob set is formed, and the rotating support is convenient and fast.
As shown in fig. 7, the pendulum limiting assembly includes a pair of limiting plates 13 and a limiting block 14 arranged in parallel; the parallel limiting plate is Z-shaped, the upper end of the parallel limiting plate is provided with a mounting hole 15, and the lower end of the mounting hole is provided with an upper limiting hole I16 and a lower limiting hole I16 which are arranged in an upper row and a lower row; the limiting blocks 14 are provided with a plurality of blocks which are respectively welded between the limiting plates. The main effect of the pendulum limiting assembly is to form a relative position angle with the rotating support, so that the pendulum group only needs to be in limit contact with the pendulum during the test, namely the impact height required by the standard is reached, the test is more efficient, and the measurement repeatability is improved.
As shown in fig. 4 and 8, the pendulum assembly comprises a pendulum mounting seat 17, a swinging rod 18 and a pendulum 19; one end of the oscillating bar 18 is assembled with the pendulum bob mounting seat, and the other end of the oscillating bar is assembled with the pendulum bob 19, wherein the assembling mode can be welding or screwing; pendulum installation seat 17 cup joints on rotation axis 10, sets up stopper 20 on the pendulum. The pendulum rod is combined with the pendulum through the core penetrating hole in the pendulum to form an assembly, the assembly is positioned by the limiting block, the installation device on the pendulum rod and the impact radian surface of the pendulum are ensured to form a relative position, and the problems of deflection and the like are avoided during testing.
When the device is used, a sample (cabinet) is placed on the base platform, and the sample (cabinet) is firmly fixed on the base platform by the auxiliary electromagnet; adjust pendulum assembly to waiting to release the state (being about to pendulum mechanism and placing on the pendulum support), adjust pendulum mechanism to the required position of striking the face, all prepare the work and finish the back, release the pendulum, the pendulum breaks away from the pendulum support, striking sample (rack), can hold the pendulum with manual mode afterwards, make it static, inspection sample (rack) surface condition.
Although specific embodiments of the present invention have been described and illustrated in detail, it should be understood that various equivalent changes and modifications can be made to the above embodiments in accordance with the present invention, and the functional effects thereof without departing from the spirit of the present invention are also within the scope of the present invention.
Claims (5)
1. The box mechanical collision testing device is characterized by comprising a base, a supporting frame and a pendulum mechanism;
the supporting frame is formed by welding an upper section bar, a lower section bar, a left section bar and a right section bar, two ends of the upper section bar are respectively welded at the upper ends of the left section bar and the right section bar close to the inner wall and the outer wall, and two ends of the lower section bar are respectively welded at the lower ends of the left section bar and the right section bar close to the inner wall and the outer wall; the top surface of the upper section bar, the left top surface and the right top surface are positioned on the same horizontal line, and the bottom surface of the lower section bar is higher than the bottom surfaces of the left section bar and the right section bar; the bottom ends of the left and right sectional materials are welded on the base;
optical axis supporting seats are fixedly arranged on the inner wall and the outer wall of the left section bar and the right section bar, an optical axis is arranged between the optical axis supporting seat and the upper section bar, and the optical axis is arranged in parallel with the upper section bar;
the pendulum mechanism comprises a mounting base, a linear bearing, a rotating bracket, a pendulum limiting assembly and a pendulum assembly; the pendulum limiting assembly and the pendulum assembly are sleeved on the rotating shaft, so that the pendulum limiting assembly and the pendulum assembly can rotate by taking the rotating shaft as a rotating center; a pair of linear bearings is arranged on one side face of the mounting base and is in assembly connection with the optical axis.
2. The mechanical impact testing device for the box body as claimed in claim 1, wherein the pendulum limiting assembly comprises a pair of limiting plates and limiting blocks which are arranged in parallel; the parallel limit plate is Z-shaped, the upper end of the parallel limit plate is provided with a mounting hole, and the lower end of the mounting hole is provided with limit holes which are arranged up and down; the limiting plates are welded among the limiting plates respectively.
3. The mechanical impact testing device for the tank body as claimed in claim 1, wherein the pendulum assembly comprises a pendulum mounting seat, a swing rod and a pendulum; one end of the swing rod is assembled with the pendulum bob mounting seat, and the other end of the swing rod is assembled with the pendulum bob;
the pendulum bob mounting seat is sleeved on the rotating shaft, and the pendulum bob is provided with a limiting block.
4. The mechanical impact testing device for the box body as claimed in claim 1, wherein two corners of one end of the base are respectively provided with a supporting section bar which is welded and fixed with the left section bar and the right section bar.
5. The mechanical impact testing device for the box body as claimed in claim 1, wherein the lower section bar, the left section bar and the right section bar are respectively provided with a flexible cushion which is made of flexible materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921103664.5U CN210243130U (en) | 2019-07-15 | 2019-07-15 | Box mechanical collision testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921103664.5U CN210243130U (en) | 2019-07-15 | 2019-07-15 | Box mechanical collision testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210243130U true CN210243130U (en) | 2020-04-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921103664.5U Active CN210243130U (en) | 2019-07-15 | 2019-07-15 | Box mechanical collision testing device |
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| CN (1) | CN210243130U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111473939A (en) * | 2020-05-20 | 2020-07-31 | 上海交通大学 | Dumping interaction test bed suitable for nuclear power equipment anti-seismic safety inspection |
-
2019
- 2019-07-15 CN CN201921103664.5U patent/CN210243130U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111473939A (en) * | 2020-05-20 | 2020-07-31 | 上海交通大学 | Dumping interaction test bed suitable for nuclear power equipment anti-seismic safety inspection |
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