Electric cylinder anti-seismic performance testing device

Abstract

The utility model discloses an electric cylinder anti-seismic performance testing device which comprises a testing rack, symmetrical guide rods are arranged on the testing rack, a lifting seat is arranged on the guide rods in a sliding fit mode, a lifting mechanism is arranged on one side of the lifting seat, the lifting seat is driven by the lifting mechanism to rapidly ascend and descend, symmetrical sliding groove blocks are arranged at the bottom of the lifting seat, and the sliding groove blocks are arranged on the testing rack. A lifting plate is arranged in the sliding groove block in a sliding fit mode, an electric cylinder is fixed to the bottom of the lifting plate through bolts, a first vibrator is installed at the top of the lifting base and used for axial vibration of the electric cylinder, a vibration mechanism is arranged at the bottom of the lifting base and used for lateral vibration of the electric cylinder, and the push-out end of the electric cylinder is fixed to a connecting base through a positioning pin; the pressure plate is in sliding fit with the guide rod, the pressure measuring mechanism is arranged at the bottom of the pressure plate, and the pressure change is detected through the pressure measuring mechanism, so that the multi-angle and all-directional vibration test can be carried out, the test accuracy is improved, the installation is convenient, the operation is simple, the test data can be displayed in real time, and the rapid recording is convenient.

Description

Technical Field

[0001] The utility model belongs to the technical field of electric cylinder performance testing, and more specifically, particularly relates to an anti-seismic performance testing device for an electric cylinder. Background Art

[0002] At present, electric cylinders usually have an electric cylinder body, a plug rod installed in the electric cylinder body, a screw sleeve installed at one end of the plug rod accommodated in the electric cylinder body, and a screw rod locked and penetrating the screw sleeve. When the screw rod is driven by an external rotary power source to reciprocate relative to the electric cylinder body, the plug rod can be driven to reciprocate axially relative to the electric cylinder body through the screw engagement relationship between the plug rod and the screw sleeve.

[0003] In the performance test of the electric cylinder, due to the different working environments of the electric cylinder, some electric cylinders are used under continuous vibration, so the electric cylinder needs to be tested for vibration resistance. Usually, the staff needs to install the electric cylinder on a vibration plate for testing, which is not only dangerous, but also unable to accurately detect performance data, unable to perform all-round vibration testing on the electric cylinder, difficult for staff to disassemble and assemble, unable to detect and record data in real time, unable to adjust and control the electric cylinder during the test, and has poor flexibility in use. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a device for testing the seismic performance of an electric cylinder to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above purpose, the utility model is implemented through the following technical solutions: an electric cylinder seismic performance test device, including a test bench, the test bench is provided with a symmetrical guide rod, the guide rod is slidably matched with a lifting seat, a lifting mechanism is provided on one side of the lifting seat, and the lifting seat is driven to rise and fall quickly by the lifting mechanism, a symmetrical slide block is provided at the bottom of the lifting seat, a lifting plate is slidably matched in the slide block, an electric cylinder is fixed to the bottom of the lifting plate by bolts, a first vibrator is installed on the top of the lifting seat for axial vibration of the electric cylinder, a vibration mechanism is provided at the bottom of the lifting seat for lateral vibration of the electric cylinder, a plug plate is also provided on the other side of the lifting plate, the lifting seat and the slide block are both provided with a socket matched with the plug plate, the plug plate is inserted from the top of the lifting seat until it is inserted into the slide block, the electric cylinder push-out end is fixed to the connecting seat by a locating pin, the connecting seat is installed on the pressing plate, the pressing plate is slidably matched on the guide rod, and a pressure measuring mechanism is provided at the bottom of the pressing plate to detect the change of pressure by the pressure measuring mechanism.

[0006] As an optional solution of the utility model, the lifting mechanism includes a drive motor, which is installed on the top of the test bench. A bearing seat is provided on the inner wall of the test bench. A screw rod is assembled in the bearing seat. The top of the screw rod is connected to the drive motor through a coupling, and the lifting seat cooperates with the screw rod thread through a threaded sleeve.

[0007] As an optional solution of the utility model, a symmetrical sliding block is provided on one side of the lifting seat, a sliding rail is slidably matched on one side of the sliding block, and the sliding rail is symmetrically installed on the test bench.

[0008] As an optional solution of the utility model, the vibration mechanism includes a side mounting plate, the side mounting plate is fixed to the bottom of the lifting seat, a second vibrator is fixed to one side of the side mounting plate, a compression spring is arranged on the other side of the side mounting plate, one end of the compression spring is connected to a limiting plate, the limiting plate is slidably fitted in the slide block, and pressure is applied to one side of the lifting plate.

[0009] As an optional solution of the utility model, the guide rods above the pressure plate are equipped with a first spring, and the guide rods below the pressure plate are equipped with a second spring. The first spring is used to reduce the pressure between the lifting seat and the pressure plate, and the second spring is used to reduce the pressure between the pressure plate and the bottom of the test bench.

[0010] As an optional scheme of the utility model, the pressure measuring mechanism includes a base, which is installed in a test bench, a detection seat is installed on the base, a positioning cylinder is provided on the detection seat, a piston column is installed in the positioning cylinder, the top of the piston column is connected to a pressure plate, a test channel is provided in the positioning cylinder, the test channel is connected to a test tube on one side of the detection seat, the test tube is positioned and installed through an adapter on one side of the detection seat, a pressure gauge is provided on the adapter, the pressure gauge is connected to the test tube, and the air pressure inside the test tube is detected, one end of the test tube is connected to an air pressure box, the air pressure box is provided with a height value, and is provided with an observation port, and a detection float is provided in the air pressure box.

[0011] The utility model provides a device for testing the seismic performance of an electric cylinder, which has the following beneficial effects:

[0012] The lifting seat is driven by a driving motor to adjust the spacing, so that the lifting plate and the electric cylinder installed under the lifting plate are placed in the slide block at the same time, the plug plate is inserted for limiting, and the connecting seat is connected to the push-out end of the electric cylinder through the positioning pin. The pressure can be reduced and the structural strength can be improved by setting the first spring and the second spring. The electric cylinder is subjected to axial vibration detection through the first vibrator. If the height of the floating block ejected is within the preset floating range of the reference value, it is qualified. At the same time, the pressure change of the pressure gauge is observed and the vibration pressure data is recorded. The second vibrator can be used to perform lateral vibration detection on the electric cylinder. Through vibration tests in different directions, the seismic resistance of the electric cylinder can be fully detected. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the structure of the utility model;

[0014] Figure 2 It is a front view of the utility model;

[0015] Figure 3 It is the AA cross-sectional view of the utility model;

[0016] Figure 4 It is the BB sectional view of the present utility model.

[0017] In the figure: 1. test bench; 101. bearing seat; 102. slide rail; 103. slider; 2. drive motor; 3. screw rod; 4. base; 5. detection seat; 501. test channel; 502. positioning cylinder; 503. test tube; 504. adapter seat; 505. pressure gauge; 506. air pressure box; 507. detection float; 508. piston column; 6. lifting seat; 601. slide block; 602. plug plate; 603. side mounting plate; 604. compression spring; 605. limit plate; 7. guide rod; 8. first spring; 9. second spring; 10. pressure plate; 11. connecting seat; 111. positioning pin; 12. electric cylinder; 13. lifting plate; 14. first vibrator; 15. second vibrator. DETAILED DESCRIPTION

[0018] The following is a further detailed description of the implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.

[0019] In the description of the present invention, unless otherwise specified, "multiple" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third" and the like are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0020] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0021] See also Figures 1 to 4 The utility model provides a technical solution: a device for testing the seismic performance of an electric cylinder, comprising a test bench 1, a symmetrical guide rod 7 is arranged on the test bench 1, a lifting seat 6 is slidably fitted on the guide rod 7, a lifting mechanism is arranged on one side of the lifting seat 6, the lifting mechanism drives the lifting seat 6 to rise and fall quickly, and the spacing is adjusted to facilitate the test installation of the electric cylinder 12, the lifting mechanism comprises a driving motor 2, the driving motor 2 is mounted on the top of the test bench 1, a bearing seat 101 is arranged on the inner wall of the test bench 1, a screw rod 3 is assembled in the bearing seat 101, the top of the screw rod 3 is connected to the driving motor 2 through a coupling, the lifting seat 6 is threadedly fitted with the screw rod 3 through a threaded sleeve, the driving motor 2 is started, the screw rod 3 is driven to rotate, so that the lifting seat 6 performs a lifting movement, and at the same time, a symmetrical slider 103 is arranged on one side of the lifting seat 6, a slide rail 102 is slidably fitted on one side of the slider 103, and the slide rail 102 is symmetrically mounted on the test bench 1.

[0022] A symmetrical slide block 601 is arranged at the bottom of the lifting seat, and a lifting plate 13 is slidably fitted inside the slide block 601. An electric cylinder 12 is fixed to the bottom of the lifting plate 13 by bolts. A first vibrator 14 is installed on the top of the lifting seat 6 for axial vibration of the electric cylinder 12. In addition, a vibration mechanism is arranged at the bottom of the lifting seat 6 for lateral vibration of the electric cylinder 12.

[0023] The vibration mechanism includes a side mounting plate 603, which is fixed to the bottom of the lifting seat 6. A second vibrator 15 is fixed to one side of the side mounting plate 603. A compression spring 604 is arranged on the other side of the side mounting plate 603. One end of the compression spring 604 is connected to a limit plate 605. The limit plate 605 is slidably fitted in the slide block 601 and applies pressure to one side of the hanging plate 13. An insert plate 602 is also arranged on the other side of the hanging plate 13. The lifting seat 6 and the slide block 601 are both provided with sockets that cooperate with the insert plate 602. The insert plate 602 can be inserted from the top of the lifting seat 6 into the slide block 601, which not only plays a limiting role but also facilitates disassembly and assembly. The push-out end of the electric cylinder 12 is fixed to the connecting seat 11 by a positioning pin 111. The connecting seat 11 is installed on the pressing plate 10, and the pressing plate 10 is slidably fitted on the guide rod 7.

[0024] The guide rods 7 above the pressure plate 10 are all equipped with first springs 8, and the guide rods 7 below the pressure plate 10 are all equipped with second springs 9. The first springs 8 can reduce the pressure between the lifting seat 6 and the pressure plate 10, and the second springs 9 can reduce the pressure between the pressure plate 10 and the bottom of the test bench 1, thereby improving the strength and stability of the overall structure. A pressure measuring mechanism is provided at the bottom of the pressure plate 10, and the pressure plate 10 is driven to move up and down by the extension and contraction of the electric cylinder 12. The pressure measuring mechanism is used to detect the change in pressure to detect whether the operation of the electric cylinder 12 in a vibration environment is qualified.

[0025] The pressure measuring mechanism includes a base 4, which is installed in the test bench 1. A detection seat 5 is installed on the base 4. A positioning cylinder 502 is provided on the detection seat 5. A piston column 508 is installed in the positioning cylinder 502. The top of the piston column 508 is connected to the pressure plate 10. A test channel 501 is provided in the positioning cylinder 502. The test channel 501 is connected to a test tube 503 on one side of the detection seat 5. The test tube 503 is positioned and installed through an adapter seat 504 on one side of the detection seat 5. A pressure gauge 505 is provided on the adapter seat 504. The pressure gauge 505 is connected to the test tube 503. The air pressure inside 503 is tested, one end of the test tube 503 is connected to an air pressure box 506, a height value is set on the air pressure box 506, and an observation port is set, and a detection float 507 is set in the air pressure box 506. When the vibration test is not turned on, the pressure plate 10 is pressed down, driving the piston column 508 to be pressed down, and the internal gas is concentrated into the air pressure box 506 to lift the detection float 507, and the lifted height is the reference value. After the vibration test is turned on, if the lifted height is within the floating range preset by the reference value, the test is qualified, if it does not reach the required height, it is unqualified.

[0026] Specific usage and function of this embodiment: First, the lifting seat 6 is driven by the driving motor 2 to adjust the spacing, so that the lifting plate 13 and the electric cylinder 12 installed under the lifting plate 13 are placed in the slide block 601 at the same time, and the plug plate 602 is inserted for limiting. The connecting seat 11 is connected to the push-out end of the electric cylinder 12 through the positioning pin 111, thereby completing all preparations, starting the first vibrator 14, and performing axial vibration detection on the electric cylinder 12. If the height of the floating block 507 is within the preset floating range of the reference value, it is qualified. At the same time, observe the pressure change of the pressure gauge 505, record the pressure data of the vibration, and then start the second vibrator 15 to perform lateral vibration detection on the electric cylinder 12. Repeat the operation to complete all vibration tests.

[0027] The device embodiments described above are merely illustrative, wherein the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or they may be distributed on multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the scheme of this embodiment. Ordinary technicians in this field can understand and implement it without paying creative labor.

[0028] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the utility model.

Claims

1. An electric cylinder seismic performance testing device, characterized in that: The test bench (1) comprises a test bench (1), wherein a symmetrical guide rod (7) is arranged on the test bench (1), a lifting seat (6) is slidably fitted on the guide rod (7), a lifting mechanism is arranged on one side of the lifting seat (6), and the lifting seat (6) is driven to rise and fall rapidly by the lifting mechanism, a symmetrical slide block (601) is arranged at the bottom of the lifting seat (6), a hanging plate (13) is slidably fitted in the slide block (601), an electric cylinder (12) is fixed to the bottom of the hanging plate (13) by bolts, a first vibrator (14) is installed on the top of the lifting seat (6) for axial vibration of the electric cylinder (12), and a lifting mechanism (14) is arranged at the bottom of the lifting seat (6) A vibration mechanism is used for lateral vibration of the electric cylinder (12); a plug plate (602) is further provided on the other side of the lifting plate (13); a socket matched with the plug plate (602) is provided in the lifting seat (6) and the slide block (601); the plug plate (602) is inserted from the top of the lifting seat (6) into the slide block (601); the ejection end of the electric cylinder (12) is fixed to the connecting seat (11) by a positioning pin (111); the connecting seat (11) is installed on a pressure plate (10); the pressure plate (10) is slidably matched on a guide rod (7); a pressure measuring mechanism is provided at the bottom of the pressure plate (10); and pressure changes are detected by the pressure measuring mechanism.

2. The electric cylinder seismic performance testing device according to claim 1, characterized in that: The lifting mechanism comprises a drive motor (2), the drive motor (2) being mounted on the top of a test bench (1), a bearing seat (101) being provided on the inner wall of the test bench (1), a screw rod (3) being mounted in the bearing seat (101), the top of the screw rod (3) being connected to the drive motor (2) via a coupling, and the lifting seat (6) being threadably matched with the screw rod (3) via a threaded sleeve.

3. The electric cylinder seismic performance testing device according to claim 2, characterized in that: A symmetrical sliding block (103) is provided on one side of the lifting seat (6), a sliding rail (102) is slidably matched on one side of the sliding block (103), and the sliding rail (102) is symmetrically mounted on the test bench (1).

4. The electric cylinder seismic performance testing device according to claim 1, characterized in that: The vibration mechanism comprises a side mounting plate (603), wherein the side mounting plate (603) is fixed to the bottom of the lifting seat (6), a second vibrator (15) is fixed to one side of the side mounting plate (603), and a compression spring (604) is arranged on the other side of the side mounting plate (603), one end of the compression spring (604) is connected to a limiting plate (605), and the limiting plate (605) is slidably fitted in the slide block (601) and applies pressure to one side of the lifting plate (13).

5. The electric cylinder seismic performance testing device according to claim 1, characterized in that: The guide rods (7) above the pressure plate (10) are each equipped with a first spring (8), and the guide rods (7) below the pressure plate (10) are each equipped with a second spring (9), the first spring (8) being used to reduce the pressure between the lifting seat (6) and the pressure plate (10), and the second spring (9) being used to reduce the pressure between the pressure plate (10) and the bottom of the test bench (1).

6. The electric cylinder seismic performance testing device according to claim 1, characterized in that: The pressure measuring mechanism comprises a base (4), the base (4) being installed in a test bench (1), a detection seat (5) being installed on the base (4), a positioning cylinder (502) being provided on the detection seat (5), a piston column (508) being installed in the positioning cylinder (502), the top of the piston column (508) being connected to a pressure plate (10), a test channel (501) being provided in the positioning cylinder (502), and the test channel (501) being connected to a test tube (503) on one side of the detection seat (5). The test tube (503) is positioned and installed through an adapter seat (504) on one side of the detection seat (5); a pressure gauge (505) is provided on the adapter seat (504); the pressure gauge (505) is connected to the test tube (503) to detect the air pressure inside the test tube (503); one end of the test tube (503) is connected to an air pressure box (506); a height value and an observation port are provided on the air pressure box (506); a detection float (507) is provided inside the air pressure box (506).

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