CN210922550U - Horizontal sliding table displacement measurement and protection device and vibration table - Google Patents
Horizontal sliding table displacement measurement and protection device and vibration table Download PDFInfo
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- CN210922550U CN210922550U CN201921908836.6U CN201921908836U CN210922550U CN 210922550 U CN210922550 U CN 210922550U CN 201921908836 U CN201921908836 U CN 201921908836U CN 210922550 U CN210922550 U CN 210922550U
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Abstract
The utility model discloses a horizontal sliding table displacement measurement and protection device and shaking table, including displacement determine module, displacement measured subassembly and vibration control appearance, displacement determine module and the synchronous vibration of horizontal sliding table mesa, the displacement measured subassembly is used for measuring displacement determine module's displacement value will the displacement value conveys to the vibration control appearance, the vibration control appearance is used for control horizontal sliding table vibration or stop the vibration. The utility model discloses can realize carrying out real-time measurement to the absolute displacement value of shaking table horizontal sliding table mesa vibration, send the vibration displacement value that obtains to the vibration control appearance, judge by the vibration control appearance whether the vibration displacement value exceeds its interior preset limit value, the vibration control appearance control shaking table stops the vibration when exceeding, thereby realize carrying out spacing protection to horizontal sliding table displacement; and the utility model discloses horizontal slip table displacement measurement and protection device can install on horizontal slip table in a flexible way, have simple to operate, use simple and convenient characteristics.
Description
Technical Field
The utility model relates to a shaking table technical field especially relates to a horizontal slip table displacement measurement and protection device and shaking table.
Background
The vibrating table shown in fig. 1 comprises a horizontal sliding table 101, a trunnion vibration isolation mechanism 102 and a vibration exciter 103 which are installed on a vibrating table base 100, wherein the horizontal sliding table 101 is an important part for realizing a vibration test in the horizontal direction, no displacement measurement and protection device is arranged on the existing horizontal sliding table, and displacement measurement and protection of moving parts of the vibrating table are realized only by an eddy current sensor inside the vibrating table.
The trunnion vibration isolation mechanism 102 of the electric vibration table has the characteristics of large bearing capacity, good structural rigidity and the like, and also has a static middle position adjusting function, and the trunnion vibration isolation mechanism 102 can greatly reduce the vibration transmitted to the vibration table base 100 when the table body works, and reduce the influence of peripheral equipment, infrastructure facilities and the like of the vibration table base. However, due to the effect of the trunnion vibration isolation mechanism 102, the actual displacement of the table top of the horizontal sliding table 101 during the horizontal vibration of the vibrating table is larger than the vibration displacement of the vibrating table (the vibration exciter 103 of the electric vibrating table and the horizontal sliding table 101 are both installed on the vibrating table base 100, and the vibration exciter 103 integrally generates a certain vibration displacement under the effect of the trunnion vibration isolation mechanism 102 during the operation of the vibrating table, so that the actual displacement of the table top of the horizontal sliding table 101 is the sum of the displacement of the moving coil of the vibration exciter 103 and the displacement of the vibration exciter 103 due to the trunnion vibration isolation mechanism), and when the maximum displacement horizontal vibration test is performed, the fault or damage of the guide.
In view of the above, a device for measuring and protecting displacement of a horizontal sliding table and a vibrating table are particularly provided.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the main technical problem who solves provides a horizontal slip table displacement measurement and protection device and shaking table, can carry out real-time measurement and transmit to the vibration control appearance to the absolute displacement value of horizontal slip table mesa vibration, opens through vibration control appearance control shaking table and stops to the realization is to horizontal slip table displacement protection.
In order to solve the technical problem, the utility model discloses a technical scheme be: the utility model provides a horizontal slip table displacement measurement and protection device includes: displacement detection subassembly, displacement are surveyed subassembly and vibration control appearance, displacement detection subassembly and horizontal slip table mesa synchronous vibration, the displacement is surveyed the subassembly and is used for measuring displacement detection subassembly's displacement value will the displacement value conveys to the vibration control appearance, works as the displacement value exceedes when presetting the limit value in the vibration control appearance, the vibration control appearance control the shaking table stops vibrating.
In a preferred embodiment of the present invention, the displacement detecting assembly includes: the displacement detection device comprises a displacement detection ring mounting block, a displacement detection ring and a retainer ring, wherein the displacement detection ring mounting block is fixedly connected with the horizontal sliding table top, and the retainer ring is used for fixing the displacement detection ring on the displacement detection ring mounting block;
the displacement measured component comprises: displacement sensor mounting bracket and displacement sensor, displacement sensor mounting bracket fixed mounting is on horizontal slip table bottom plate or horizontal slip table oil tank or shaking table base, displacement sensor fixes on the displacement sensor mounting bracket, displacement sensor's sensing pole penetrate the displacement and detect the ring and with the displacement detects the ring and keeps coaxial.
In a preferred embodiment of the present invention, the displacement detecting ring mounting block has a cavity formed on one end surface of the displacement measured component, the middle portion of the cavity has a through hole extending to the other end surface of the displacement detecting ring mounting block, and the retainer ring is pressed on the displacement detecting ring and is fixed to the bottom of the cavity in a limiting manner by a screw.
For solving the technical problem, the utility model discloses a another technical scheme is: the utility model provides a vibrating table, including installing horizontal slip table, trunnion vibration isolation mechanism, the vibration exciter on the vibrating table base to and install horizontal slip table displacement measurement and protection device on horizontal slip table.
In a preferred embodiment of the present invention, the horizontal sliding table is a T-shaped sliding rail table or a V-shaped sliding rail table or a self-lubricating sliding rail table.
In a preferred embodiment of the present invention, the horizontal sliding table displacement measuring and protecting device is installed on the end surface of the T-shaped rail sliding table.
In a preferred embodiment of the present invention, the horizontal sliding table displacement measuring and protecting device is installed on a side surface of the T-shaped rail sliding table.
In a preferred embodiment of the present invention, the horizontal sliding table displacement measuring and protecting device is installed on the end surface of the V-shaped rail sliding table.
In a preferred embodiment of the present invention, the horizontal sliding table displacement measuring and protecting device is installed on a side surface of the V-shaped rail sliding table.
In a preferred embodiment of the present invention, the horizontal sliding table displacement measuring and protecting device is installed below the table top of the self-lubricating rail sliding table.
The utility model has the advantages that: the utility model discloses horizontal slip table displacement measurement and protection device for absolute displacement value to the horizontal slip table mesa vibration of shaking table carries out real-time measurement, and the vibration displacement value that will measure is sent to the vibration control appearance, judges by the vibration control appearance whether the vibration displacement value exceeds its interior preset limit value, and the vibration control appearance control shaking table stops vibrating when exceeding, thereby realizes carrying out spacing protection to horizontal slip table displacement; and the utility model discloses horizontal slip table displacement measurement and protection device can install on horizontal slip table in a flexible way, have simple to operate, use simple and convenient characteristics.
Drawings
FIG. 1 is a schematic structural diagram of a prior art vibration table;
FIG. 2 is a schematic view of the present invention installed on the end surface of a T-shaped rail sliding table;
FIG. 3 is a schematic view of the present invention installed on the side of a T-shaped rail sliding table;
FIG. 4 is a schematic structural diagram of a horizontal sliding table displacement measuring and protecting device for a T-shaped guide rail sliding table end face installation mode;
FIG. 5 is a schematic structural view of a horizontal slide displacement measuring and protecting device for a side mounting of a T-shaped rail slide;
FIG. 6 is a schematic view of the present invention mounted on the end surface of the sliding table of the V-shaped guide rail;
FIG. 7 is a schematic view of the present invention mounted on the side of a V-shaped rail sliding table;
FIG. 8 is a schematic structural diagram of a horizontal sliding table displacement measuring and protecting device for a V-shaped guide rail sliding table end face installation mode;
FIG. 9 is a schematic structural view of a horizontal slide displacement measuring and protecting device for a side mount of a V-shaped rail slide;
fig. 10 is a schematic view of the present invention mounted on a self-lubricating rail sliding table;
FIG. 11 is a schematic structural view of a horizontal slide displacement measuring and protecting device mounted on a self-lubricating rail slide;
the parts in the drawings are numbered as follows: 1. the displacement detection assembly 11, the displacement detection ring 12, the displacement detection ring mounting block 13, the retainer ring 121, the cavity 1211 and the through hole; 2. the displacement measuring device comprises a displacement measured component 21, a displacement sensor 22 and a displacement sensor mounting rack; 3. a screw; 100. the vibration table comprises a vibration table base 101, a horizontal sliding table 102, a trunnion vibration isolation mechanism 103, a vibration exciter 1011, a horizontal sliding table top 1012, a horizontal sliding table bottom plate 1013 and a horizontal sliding table oil tank.
Detailed Description
The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.
Referring to fig. 2 to 11, the present invention includes:
a horizontal sliding table displacement measuring and protecting device comprises: displacement detection subassembly 1, displacement are surveyed subassembly 2 and vibration control appearance, displacement detection subassembly 1 is installed on horizontal slip table mesa 1011 and is vibrated with horizontal slip table mesa 1011 synchronization, the displacement is surveyed subassembly 2 and is installed on horizontal slip table bottom plate 1012 or horizontal slip table oil tank 1013 or shaking table base 100, is used for the measurement displacement value of displacement detection subassembly 1 and will displacement value conveys to the vibration control appearance, works as displacement value surpasses during the position limit value is predetermine in the vibration control appearance, the vibration control appearance control the shaking table stops vibrating.
Wherein the displacement detecting assembly 1 comprises: the displacement detection device comprises a displacement detection ring mounting block 12, a displacement detection ring 11 and a retainer ring 13, wherein the displacement detection ring mounting block 12 is fixedly connected with a horizontal sliding table top 1011, and the retainer ring 13 is used for limiting and fixing the displacement detection ring 11 on the displacement detection ring mounting block 12; specifically, a concave cavity 121 is formed in the end face of the displacement detection ring mounting block 12, which is close to the displacement measured component 2, a through hole 1211 penetrating through the middle of the concave cavity 121 to the other end face of the displacement detection ring mounting block 12 is formed, and the retainer ring 13 is pressed on the displacement detection ring 11 and fixes the displacement detection ring 11 at the bottom of the concave cavity 121 in a limiting manner through a screw 3;
the displacement measured component 2 includes: displacement sensor mounting bracket 22 and displacement sensor 21, displacement sensor mounting bracket 22's lower extreme fixed mounting is on horizontal slip table bottom plate 1012 or horizontal slip table oil tank 1013 or shaking table base 100, displacement sensor 21 fixes the upper end of displacement sensor mounting bracket 22, displacement sensor 21's sensing pole penetrates displacement detection ring 11 and stretch into through-hole 1211 works as when displacement detection ring 11 vibrates together along with horizontal slip table mesa 1011, displacement sensor 21 can measure relative displacement value between them in real time, because displacement detection ring 11 keeps coaxial and displacement detection ring 11's internal diameter with displacement sensor 21's sensing pole to be greater than the diameter of sensing pole, and both form non-contact displacement measurement, can guarantee displacement measurement's reliability and stability.
The utility model discloses need not change horizontal slip table displacement measurement and protection device structure itself, only need install horizontal slip table displacement measurement and protection device terminal surface around to the horizontal slip table, arbitrary one side in the both sides face, do not have when guaranteeing horizontal slip table displacement measurement and protection device peripheral motion and interfere, connect the vibration control appearance with displacement sensor 21's signal line, can realize horizontal slip table mesa 1011 vibration displacement real-time detection, preset limit value in the vibration control appearance, can in time shut down the protection after the displacement value that obtains when measuring transfinites.
The utility model discloses install 1 quality of displacement measurement subassembly on horizontal slip table mesa 1011 less, rigid less to vibration system moving part gross weight, consequently little to the influence of system maximum acceleration index.
The utility model discloses horizontal slip table displacement measurement and protection device can extensively be applicable to the horizontal slip table that adopts various pattern guide rails on, it is right to combine the attached drawing below the utility model discloses the application in the horizontal slip table that adopts different guide rails is further described:
referring to fig. 2 to 5, in the drawings,
the horizontal sliding table adopting the T-shaped guide rail can be additionally provided with the displacement measuring and protecting device of the horizontal sliding table;
continuing to refer to fig. 2 and 4, installing a horizontal sliding table displacement measuring and protecting device on the end face, installing a displacement detecting assembly 1 on the lower end face of a horizontal sliding table top 1011, installing a displacement sensor 21 on a displacement sensor installing frame 22, penetrating into an inner hole of a displacement detecting ring 11 in the displacement detecting assembly 1, keeping a sensing rod of the displacement sensor 21 coaxial with the displacement detecting ring 11, keeping the vibration of the displacement detecting ring 11 and the vibration of the horizontal sliding table top 1011 consistent, measuring the displacement of the horizontal sliding table top 1011 in real time, connecting a displacement signal into a vibration controller, and performing limit protection on the displacement of the horizontal sliding table 101 through a limit value preset in software in the vibration controller;
continuing to refer to fig. 3, fig. 5, side-mounting horizontal sliding table displacement measurement and protection device, install displacement detection subassembly 1 in the side of horizontal sliding table mesa 1011, displacement sensor mounting bracket 22 is fixed on horizontal sliding table bottom plate 1012 or directly installs to shaking table base 100 on, likewise, install displacement sensor 21 to displacement sensor mounting bracket 22 and penetrate displacement detection ring 11 hole in the displacement detection subassembly 1 and keep displacement sensor 21's sensing pole and displacement detection ring 11 coaxial, displacement detection ring 11 keeps unanimous with horizontal sliding table mesa 1011 vibration, carry out real-time measurement to horizontal sliding table mesa 1011 displacement, and insert displacement signal into vibration control appearance, carry out spacing protection to horizontal sliding table 101 displacement through the spacing value that predetermines in the software in the vibration control appearance.
Referring to fig. 6 to fig. 9,
the horizontal sliding table adopting the V-shaped guide rail can be additionally provided with the displacement measuring and protecting device of the horizontal sliding table;
continuing to refer to fig. 6 and 8, a horizontal sliding table displacement measuring and protecting device is mounted on the end face, a displacement detecting assembly 1 is mounted on the lower end face of a horizontal sliding table top 1011, a displacement sensor mounting rack 22 is fixed on the end face of a horizontal sliding table oil tank 1013, similarly, a displacement sensor 21 is mounted on the displacement sensor mounting rack 22 and penetrates into an inner hole of a displacement detecting ring 11 in the displacement detecting assembly 1, a sensing rod of the displacement sensor 21 and the displacement detecting ring 11 are kept coaxial, the displacement detecting ring 11 and the horizontal sliding table top 1011 vibrate and keep consistent, the displacement of the horizontal sliding table top 1011 is measured in real time, a displacement signal is accessed into a vibration controller, and the displacement of the horizontal sliding table 101 is limited and protected through a limit value preset in software in the vibration controller;
continuing to refer to fig. 7, fig. 9, side-mounting horizontal sliding table displacement measurement and protection device, install displacement detection subassembly 1 in the side of horizontal sliding table mesa 1011, displacement sensor mounting bracket 22 is fixed in the side of horizontal sliding table oil tank 1013, likewise, install displacement sensor 21 to displacement sensor mounting bracket 22 and penetrate displacement detection ring 11 hole in displacement detection subassembly 1 and keep displacement sensor 21's sensing pole and displacement detection ring 11 coaxial, displacement detection ring 11 keeps unanimous with horizontal sliding table mesa 1011 vibration, carry out real-time measurement to horizontal sliding table mesa 1011 displacement, and insert displacement signal into vibration control appearance, carry out spacing protection to horizontal sliding table 101 displacement through the spacing value of predetermineeing in the software in the vibration control appearance.
Referring to fig. 10-11, the following description,
adopt the horizontal slip table of self-lubricating guide rail, because self-lubricating linear guide rail overall dimension is less, and the guide rail need not hydraulic oil lubrication, the utility model discloses horizontal slip table displacement measurement can be installed to horizontal slip table mesa 1011 below in a flexible way with protection device and the arbitrary position of not interfering can.
In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "inner", "outer", etc. indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship that the products of the present invention are usually placed when used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element to which the term refers must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.
Claims (10)
1. The utility model provides a horizontal slip table displacement measurement and protection device which characterized in that includes: displacement detection subassembly (1), displacement are surveyed subassembly (2) and vibration control appearance, displacement detection subassembly (1) and horizontal slip table mesa (1011) synchronous oscillation, the displacement is surveyed subassembly (2) and is used for measuring the displacement value of displacement detection subassembly (1) will the displacement value conveys to the vibration control appearance, the vibration control appearance is used for controlling horizontal slip table (101) vibration or stop vibration.
2. The device of claim 1, wherein the horizontal slide table is provided with a displacement measuring and protecting unit,
the displacement detection assembly (1) comprises: the displacement detection device comprises a displacement detection ring mounting block (12), a displacement detection ring (11) and a check ring (13), wherein the displacement detection ring mounting block (12) is fixedly connected with a horizontal sliding table top (1011), and the check ring (13) is used for fixing and limiting the displacement detection ring (11) on the displacement detection ring mounting block (12);
the displacement measured component (2) comprises: displacement sensor mounting bracket (22) and displacement sensor (21), displacement sensor mounting bracket (22) fixed mounting is on horizontal slip table bottom plate (1012) or horizontal slip table oil tank (1013) or shaking table base (100), displacement sensor (21) are fixed on displacement sensor mounting bracket (22), the sensing pole of displacement sensor (21) penetrate displacement detection ring (11) and with displacement detection ring (11) keep coaxial.
3. The horizontal sliding table displacement measuring and protecting device according to claim 2, wherein a concave cavity (121) is formed in one end face of the displacement measured component (2) of the displacement measuring ring mounting block (12), a through hole (1211) penetrating to the other end face of the displacement measuring ring mounting block (12) is formed in the middle of the concave cavity (121), and the retainer ring (13) is pressed on the displacement measuring ring (11) and is used for limiting and fixing the displacement measuring ring (11) at the bottom of the concave cavity (121) through a screw (3).
4. A vibration table, characterized in that, the horizontal sliding table displacement measuring and protecting device of any claim 1-3 is installed.
5. The vibrating table according to claim 4, wherein a horizontal sliding table (101) is arranged on the vibrating table, and the horizontal sliding table (101) is a T-shaped guide rail sliding table or a V-shaped guide rail sliding table or a self-lubricating guide rail sliding table.
6. The vibratory table of claim 5, wherein the horizontal slide displacement measurement and protection device is mounted on an end face of the T-shaped rail slide.
7. The vibratory table of claim 5, wherein the horizontal slide displacement measurement and protection device is mounted on a side of the T-shaped rail slide.
8. The vibratory table of claim 5, wherein the horizontal slide displacement measurement and protection device is mounted on an end face of the V-shaped rail slide.
9. The vibratory table of claim 5, wherein the horizontal slide displacement measurement and protection device is mounted on a side of the V-shaped rail slide.
10. The vibratory table of claim 5, wherein the horizontal slide displacement measurement and protection device is mounted below a table top of the self-lubricating rail slide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921908836.6U CN210922550U (en) | 2019-11-07 | 2019-11-07 | Horizontal sliding table displacement measurement and protection device and vibration table |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921908836.6U CN210922550U (en) | 2019-11-07 | 2019-11-07 | Horizontal sliding table displacement measurement and protection device and vibration table |
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| CN210922550U true CN210922550U (en) | 2020-07-03 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112729736A (en) * | 2020-12-18 | 2021-04-30 | 中国工程物理研究院总体工程研究所 | Double-station parallel-pushing synchronization real-time representation identification and protection method |
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2019
- 2019-11-07 CN CN201921908836.6U patent/CN210922550U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112729736A (en) * | 2020-12-18 | 2021-04-30 | 中国工程物理研究院总体工程研究所 | Double-station parallel-pushing synchronization real-time representation identification and protection method |
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