CN215572790U - Axial displacement sensor installation device - Google Patents
Axial displacement sensor installation device Download PDFInfo
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- CN215572790U CN215572790U CN202121055540.1U CN202121055540U CN215572790U CN 215572790 U CN215572790 U CN 215572790U CN 202121055540 U CN202121055540 U CN 202121055540U CN 215572790 U CN215572790 U CN 215572790U
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- axial displacement
- open slot
- displacement sensor
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Abstract
The utility model discloses an axial displacement sensor mounting device which comprises a base, a mounting bracket and an axial displacement adjusting mechanism, wherein the mounting bracket is arranged on the base in a sliding manner along the axial direction of the base, an axial displacement sensor is arranged on the mounting bracket, and the relative position of the mounting bracket in the axial direction of the base is adjusted by adjusting the axial displacement adjusting mechanism so as to realize the adjustment of the axial displacement sensor. The axial displacement sensor mounting device is simple in structure, convenient to use, high in mounting accuracy, capable of mounting the axial displacement sensor in a narrow space, more applicable in scenes, capable of performing static mode experiments by adjusting the adjusting mechanism after mounting, and high in practicability.
Description
Technical Field
The utility model belongs to the field of sensors, and particularly relates to an axial displacement sensor mounting device.
Background
The axial displacement is one of important parameters needing to be monitored in the operation of the steam turbine, and the accurate installation and debugging of the sensor determine the reliability of monitoring the axial displacement parameters of the steam turbine. However, the conventional sensor installation mode is inconvenient for adjusting the position of the sensor in the installation process, the accuracy of installation of the probes of the plurality of sensors is difficult to ensure, a static simulation experiment cannot be performed after the installation is completed, and the practicability is relatively weak.
Chinese patent application No. 201920963923.5 discloses a sensor mounting device, which includes a base, a mounting platform, a bearing device for preventing the sensor, a centering device for detecting flatness, and a six-axis adjusting device for adjustment. Through setting up the appearance device of being used for detecting the accurate of plane degree, the six adjusting device of regulation precision, each device is connected to mounting platform to realize the precision to the sensor installation, guarantee its imaging quality.
However, the sensor mounting device disclosed in the above application cannot adjust the position of the sensor, when a plurality of sensor probes are mounted on the same support, it is not easy to ensure that the end faces of the plurality of sensor probes are parallel to the thrust disc, and one probe can affect the mounting position of the fixed probe when being fixed, so that the mounting accuracy is affected, a static simulation experiment cannot be performed after the sensor is mounted, and the sensor mounting device is very inconvenient to use.
The present invention has been made in view of this situation.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provides an axial displacement sensor mounting device, which adjusts the axial displacement of an axial displacement sensor by arranging a base, a mounting bracket arranged on the base in a sliding manner along the axial direction of the base and an axial displacement adjusting mechanism used for adjusting the relative position of the mounting bracket in the axial direction of the base. Simple structure, convenient to use, the degree of accuracy of installation is higher, and the scene that is suitable for is wider to the accessible carries out static simulation experiment to adjustment mechanism's adjustment after the installation, and the practicality is better.
In order to solve the technical problems, the utility model adopts the technical scheme that:
further, the axial displacement adjustment mechanism includes an adjustment bolt; along the axial direction of the base, a first open slot is arranged above the base, a second open slot is correspondingly arranged below the mounting bracket, and internal threads are respectively arranged in the first open slot and the second open slot;
the extension length of the first open slot is greater than that of the second open slot, the adjusting bolt is connected in the first open slot and the second open slot in a threaded manner, and the end part of the adjusting bolt is abutted and limited in the second open slot;
the adjusting bolt moves forwards along the first open slot and pushes the mounting bracket to move along the axial direction of the base through the abutting fit with the second open slot.
Furthermore, the mounting bracket is provided with a matching surface matched with the upper surface of the base, the second open slot is a limiting slot which is arranged on the matching surface and has one end penetrating through the downward opening and the other end being closed, and the penetrating end of the second open slot is arranged on the side close to the adjusting bolt; the first open slot runs through along the axial direction of base and establishes on the upper surface of base.
Further, along the axial direction of base the upper surface of base is equipped with the slip recess, the installing support be equipped with the spacing portion of sliding of the spacing complex of slip recess slip, the installing support pass through the spacing portion of sliding with the cooperation slip of slip recess slide set up in on the base.
Furthermore, the mounting bracket comprises a horizontal support plate, and the sliding limiting part is a sliding block convexly arranged below the horizontal support plate;
the slider is followed the axial direction of base extends the setting, the slider extends the lateral wall including relative first extension lateral wall and the second that sets up, and first extension lateral wall and/or second extend the lateral wall and be from last slope wall to outwards inclining the setting gradually down.
Further, the slider still includes the slider diapire of connection between first extension lateral wall and the second extension lateral wall, the second open slot is located the slider diapire, first open slot is corresponding to be located the slip recess with on the slider diapire matched with recess diapire.
Further, the mounting bracket comprises a first fixing mechanism, and the first fixing mechanism is used for fixing the relative position of the mounting bracket on the base.
Furthermore, the first fixing mechanism comprises a first fastening bolt, a first threaded hole is formed in the mounting bracket, and the first fastening bolt can penetrate through the first threaded hole to abut against the base to fix the mounting bracket.
Further, the sensor mounting device comprises a second fixing mechanism used for mounting and fixing the sensor mounting device, the second fixing mechanism comprises a second fastening bolt, a second threaded hole is formed in the base, and the second fastening bolt penetrates through the second threaded hole to be connected with external equipment so as to fix the base.
Further, the base is of a plate-shaped structure with a set thickness, and the bottom wall of the base is of an upwards-concave arc-shaped structure matched with a supporting surface of external equipment;
the length of the mounting bracket in the axial direction is smaller than that of the base, and the second threaded hole is formed in the base and close to the axial displacement adjusting mechanism.
After the technical scheme is adopted, compared with the prior art, the utility model has the following beneficial effects.
According to the utility model, the adjusting mechanism is arranged, and the mounting bracket is pushed in a screwing adjusting mechanism mode, so that the displacement of the axial displacement sensor is realized, the position adjusting process is simpler and more stable, and the accuracy is higher; through the adjustment of the adjusting mechanism, the change of the position of the large shaft of the steam turbine is simulated, a static simulation experiment is carried out, the process is simpler and more convenient, and the practicability is stronger; fix the sensor on the installing support earlier, the installation in narrow and small space of adaptation that rethread adjustment mechanism can be better, and device application scope is wider.
The mounting bracket is provided with the horizontal supporting plate, so that the end faces of the probes can be adjusted to a set angle in advance, and then the probes can be adjusted simultaneously by adjusting the position of the mounting bracket, thereby avoiding the influence on the mounting position of the fixed probes when the probes are fixed, and improving the mounting accuracy and mounting efficiency of the sensor.
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model, are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model without limiting the utility model to the right. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:
FIG. 1 is a front view of an embodiment of the present invention;
FIG. 2 is a top view of an embodiment of the present invention;
FIG. 3 is a right side view of an embodiment of the present invention
In the figure: 1. a base; 101. a sliding groove; 2. mounting a bracket; 201. a slider; 3. adjusting the bolt; 4. a first fastening bolt; 5. a second fastening bolt; 6. and (7) a gasket.
It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate it by a person skilled in the art with reference to specific embodiments.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and the following embodiments are used for illustrating the present invention and are not intended to limit the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The present invention will be described in further detail with reference to examples.
As shown in fig. 1 to 3, the present invention provides an axial displacement sensor mounting device, which includes a base 1, a mounting bracket 2 slidably disposed on the base 1 along an axial direction of the base 1, and an axial displacement adjusting mechanism, wherein the axial displacement adjusting mechanism is configured to adjust a relative position of the mounting bracket 2 in the axial direction of the base 1, so as to adjust an axial displacement of the axial displacement sensor.
In this embodiment, the adjusting mechanism includes an adjusting bolt 3, a first open slot is provided above the base 1 along the axial direction of the base 1, a second open slot is correspondingly provided below the mounting bracket 2, and internal threads are respectively provided in the first open slot and the second open slot;
preferably, the first open slot and the second open slot can be matched to form a threaded hole with a certain length, the threaded hole is matched with the thread of the adjusting bolt 3, and the length of the threaded hole is smaller than that of the adjusting bolt 3;
more preferably, the first open slot and the second open slot are both semicircular slots, so that when the adjusting bolt 3 is screwed, the stress of the mounting bracket 2 and the base 1 is more uniform, and the movement of the mounting bracket 2 is more stable.
The extension length of the first open slot is greater than that of the second open slot, the adjusting bolt 3 is in threaded connection with the first open slot and the second open slot, and the end part of the adjusting bolt 3 is abutted and limited in the second open slot;
the adjusting bolt 3 moves forwards along the first open slot and pushes the mounting bracket 2 to move along the axial direction of the base 1 through the butt fit with the second open slot.
Specifically, the mounting bracket 2 is provided with a matching surface matched with the upper surface of the base 1, the second open slot is a limiting slot which is arranged on the matching surface and has one end penetrating through the downward opening and the other end being closed, the penetrating end of the second open slot is arranged at the side close to the adjusting bolt 3, and the closed end forms a butting surface in the mounting bracket 2; the first open slot is arranged on the upper surface of the base 1 in a penetrating manner along the axial direction of the base 1.
During the use, fix axial displacement sensor to installing support 2 on, revolve wrong end of twisting adjusting bolt 3, the screw hole that the other end of adjusting bolt 3 passed first open slot and second open slot and constitutes offsets with the butt face in installing support 2, promotes installing support 2 and removes along 1 axial direction of base to realize the removal of axial displacement sensor position. The position adjusting process of the axial displacement sensor is more stable in the screwing mode, the mounting accuracy is high, the change of the position of the large shaft of the steam turbine can be simulated through adjusting the adjusting bolt 3, a static simulation test is carried out, and the process is simple and convenient.
Furthermore, the end of the screwing end of the adjusting bolt 3 is provided with anti-slip threads, so that the phenomena of slipping and the like during screwing are reduced, and the use stability of the device is improved.
In another embodiment, the first opening slot is formed in the upper surface of the base 1 in a penetrating manner in the axial direction of the base 1, the second opening slot is a limiting slot formed in the matching surface and close to the adjusting bolt 3 in a penetrating manner, the other end of the limiting slot is closed, the closed end forms an abutting surface in the mounting bracket 2, wherein a thread matched with the adjusting bolt 3 is arranged in the first opening slot, and the inner wall of the second opening slot is a smooth wall surface. And screwing the adjusting bolt 3, wherein the screw rod end of the adjusting bolt 3 is abutted against the abutting surface, and the mounting bracket 2 is pushed to move along the axial direction of the base 1. The design can move the mounting bracket 2, and meanwhile, the structure is simpler, and the production cost is lower.
Furthermore, the length of the first open groove can be set according to the required adjusting distance, the first open groove can penetrate through the side close to the adjusting bolt 3, and the other end of the first open groove is closed, so that the structure integration degree is higher, and the first open groove is more attractive.
In this embodiment, along the axial direction of the base 1, the upper surface of the base 1 is provided with a sliding groove 101, the mounting bracket 2 is provided with a sliding limiting portion in sliding limiting fit with the sliding groove 101, and the mounting bracket 2 is slidably disposed on the base 1 through the matching of the sliding limiting portion and the sliding groove 101.
The cooperation of slip recess 101 and the spacing portion of slip, the displacement of restriction installing support 2 non-axial direction on base 1 that can be better, when revolving wrong adjusting bolt 3 and promoting installing support 2, installing support 2 only can remove on base 1's axial direction, can not take place the skew, when revolving wrong adjusting bolt 3 and adjusting, only need consider adjustment axial ascending adjusting distance can, need not the regulation of other angles, the effectual accommodation process that has simplified, hoisting device's installation effectiveness.
In this embodiment, the mounting bracket 2 includes a horizontal support plate, and the sliding limiting portion is a sliding block 201 convexly disposed below the horizontal support plate;
Preferably, the axial position in base 1 is located to slider 201, and slider 201 is bilateral symmetry's wedge structure, and wherein first extension lateral wall and second extend the lateral wall and lean out gradually from top to bottom, under the side cooperation with sliding groove 101 on base 1, can play better restriction to the non-axial displacement of installing support 2 on base 1, reduce the produced error of installing support 2 at the ascending removal of base 1 non-axial direction in the installation, improve axial displacement sensor's installation accuracy.
In this embodiment, the slider 201 further includes a bottom wall of the slider 201 connected between the first extending sidewall and the second extending sidewall, the second opening slot is disposed on the bottom wall of the slider 201, and the first opening slot is correspondingly disposed on the bottom wall of the groove matched with the bottom wall of the slider 201 of the sliding groove 101.
Preferably, the second opening is arranged at the central axis of the bottom wall of the sliding block 201, when the sliding block is pushed by a screwing bolt, a stress point is on the central axis, and the support is not easy to shift when moving, so that the mounting accuracy of the axial displacement sensor is further improved.
The embodiment further comprises a first fixing mechanism, wherein the first fixing mechanism is used for fixing the relative position of the mounting bracket 2 on the base 1. Specifically, the first fixing mechanism includes a first fastening bolt 4, a first threaded hole is formed in the mounting bracket 2, and the first fastening bolt 4 can penetrate through the first threaded hole to abut against the base 1 to fix the mounting bracket 2.
After the axial displacement sensor is moved to a specified position by screwing the adjusting bolt 3, the first fastening bolt 4 is screwed, one end of the first fastening bolt 4 is abutted to the upper surface of the base 1 and generates extrusion, the extrusion force is also applied to the first fastening bolt 4, the whole mounting bracket 2 is supported and moved upwards, and at the moment, under the limiting action generated by the matching of the first extending side wall and the second extending side wall with the sliding groove 101, the relative positions of the mounting bracket 2 and the base 1 are fixed.
Preferably, the first extension side wall, the second extension side wall and the side walls on the two sides of the sliding groove 101 are provided with anti-slip lines, so that the relative positions of the mounting bracket 2 and the base 1 can be further fixed, the device can ensure better stability in the moving process, and the accuracy and the reliability of monitoring parameters are ensured.
Preferably, first screw hole and first fastening bolt 4 are a plurality of, and the symmetric distribution is in the both sides of installing support 2 axis, when twisting first fastening bolt 4 soon, reduces the emergence of installing support 2 slope phenomenon, improves the degree of accuracy of installation.
This embodiment still includes the second fixed establishment that is used for the installation fixed sensor installation device, second fixed establishment includes second fastening bolt 5, be equipped with the second screw hole on the base 1, second fastening bolt 5 passes the second screw hole is connected in order to fix with external equipment base 1.
Further, a gasket 6 is arranged between the screwing end of the second fastening bolt 5 and the second threaded hole, when the second fastening bolt 5 is screwed, the surface of the base 1 is protected from being damaged due to extrusion of a screw head, meanwhile, loosening of the bolt can be prevented, and the stability of connection between the base 1 and external equipment is further enhanced.
Furthermore, the second threaded holes are formed in the base 1 and close to the axial displacement adjusting mechanism, the second threaded holes and the second fastening bolts 5 are arranged at intervals, a plurality of stabilizing points can be provided by the arrangement of the second threaded holes and the second fastening bolts 5, and the connection stability of the device and external equipment is guaranteed.
As shown in fig. 3, the length of the mounting bracket 2 in the axial direction is smaller than that of the base 1, so that the mounting bracket 2 can be provided with a certain sliding space in the axial direction of the base 1. The horizontal support plate of the mounting bracket 2 has a certain area, and the probes of the plurality of axial displacement sensors can be ensured to be arranged on the horizontal support plate at the same time. During the installation, fix a plurality of probes on horizontal support plate earlier, keep at the angle of settlement, the rethread is twisted adjusting bolt 3 soon and is adjusted the position of installing support 2, and the installation accuracy of a plurality of probes is guaranteed simultaneously to the casing, and the mutual influence of position between the probe when avoiding installing respectively causes the reduction of installation accuracy, improves the installation effectiveness.
In this embodiment, base 1 is for having the platelike structure who sets for thickness, the diapire of base 1 sets up to the cambered surface structure of upwards sunken with the holding surface matched with of external equipment, and the setting of cambered surface structure can make device and external equipment have better laminating degree, can reduce because the great vibrations that produce in the motion process of gap, improves the accuracy and the reliability of monitoring the parameter.
Referring to fig. 1 to 3, the operation of the axial displacement sensor mounting device is as follows:
1. fixing an axial displacement sensor to the horizontal support plate;
2. attaching the base 1 to a thrust pad shell;
3. screwing a second fastening bolt 5 to fix the position of the axial displacement sensor mounting device;
4. screwing the adjusting bolt 3 to enable the axial displacement sensor to reach an accurate position;
5. the first fastening bolt 4 is screwed to fix the position of the mounting bracket 2.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (10)
1. An axial displacement sensor mounting device, comprising:
a base;
the mounting bracket is arranged on the base in a sliding manner along the axial direction of the base, and the axial displacement sensor is arranged on the mounting bracket;
and the axial displacement adjusting mechanism is used for adjusting the relative position of the mounting bracket in the axial direction of the base so as to adjust the axial displacement of the axial displacement sensor.
2. The axial displacement sensor mounting arrangement of claim 1, wherein: the axial displacement adjusting mechanism comprises an adjusting bolt;
along the axial direction of the base, a first open slot is arranged above the base, a second open slot is correspondingly arranged below the mounting bracket, and internal threads are respectively arranged in the first open slot and the second open slot;
the extension length of the first open slot is greater than that of the second open slot, the adjusting bolt is connected in the first open slot and the second open slot in a threaded manner, and the end part of the adjusting bolt is abutted and limited in the second open slot;
the adjusting bolt moves forwards along the first open slot and pushes the mounting bracket to move along the axial direction of the base through the abutting fit with the second open slot.
3. The axial displacement sensor mounting arrangement of claim 2, wherein: the mounting bracket is provided with a matching surface matched with the upper surface of the base, the second open slot is a limiting slot which is arranged on the matching surface and has one end penetrating through the downward opening and the other end being closed, and the penetrating end of the second open slot is arranged on the side close to the adjusting bolt; the first open slot runs through along the axial direction of base and establishes on the upper surface of base.
4. The axial displacement sensor mounting arrangement of claim 3, wherein: the edge the axial direction of base the upper surface of base is equipped with the slip recess, the installing support be equipped with the spacing complex slip spacing portion of slip recess slip, the installing support pass through the spacing portion of slip with the cooperation slip recess slide set up in on the base.
5. The axial displacement sensor mounting arrangement of claim 4, wherein: the mounting bracket comprises a horizontal support plate, and the sliding limiting part is a sliding block convexly arranged below the horizontal support plate;
the slider is followed the axial direction of base extends the setting, the slider extends the lateral wall including relative first extension lateral wall and the second that sets up, and first extension lateral wall and/or second extend the lateral wall and be from last slope wall to outwards inclining the setting gradually down.
6. The axial displacement sensor mounting arrangement of claim 5, wherein: the slider is still including connecting the slider diapire between first extension lateral wall and the second extension lateral wall, the second open slot is located the slider diapire, first open slot is corresponding to be located the slip recess with on the slider diapire matched with recess diapire.
7. The axial displacement sensor mounting arrangement of any one of claims 1-6, wherein: the mounting bracket is characterized by further comprising a first fixing mechanism, wherein the first fixing mechanism is used for fixing the relative position of the mounting bracket on the base.
8. The axial displacement sensor mounting arrangement of claim 7, wherein: the first fixing mechanism comprises a first fastening bolt, a first threaded hole is formed in the mounting support, and the first fastening bolt can penetrate through the first threaded hole and abut against the base to fix the mounting support.
9. The axial displacement sensor mounting arrangement of any one of claims 1-6, wherein: the sensor mounting device is characterized by further comprising a second fixing mechanism used for mounting and fixing the sensor mounting device, wherein the second fixing mechanism comprises a second fastening bolt, a second threaded hole is formed in the base, and the second fastening bolt penetrates through the second threaded hole to be connected with external equipment so as to fix the base.
10. The axial displacement sensor mounting arrangement of claim 9, wherein:
the base is of a plate-shaped structure with a set thickness, and the bottom wall of the base is of an upward-concave cambered surface structure matched with a supporting surface of external equipment;
the length of the mounting bracket in the axial direction is smaller than that of the base, and the second threaded hole is formed in the base and close to the axial displacement adjusting mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121055540.1U CN215572790U (en) | 2021-05-17 | 2021-05-17 | Axial displacement sensor installation device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121055540.1U CN215572790U (en) | 2021-05-17 | 2021-05-17 | Axial displacement sensor installation device |
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| CN215572790U true CN215572790U (en) | 2022-01-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115302222A (en) * | 2022-09-19 | 2022-11-08 | 华能鹤岗发电有限公司 | Axial displacement installation and debugging method |
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2021
- 2021-05-17 CN CN202121055540.1U patent/CN215572790U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115302222A (en) * | 2022-09-19 | 2022-11-08 | 华能鹤岗发电有限公司 | Axial displacement installation and debugging method |
| CN115302222B (en) * | 2022-09-19 | 2023-11-21 | 华能鹤岗发电有限公司 | Axial displacement mounting and debugging method |
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