阅读说明：本技术 一种用于高速测速的高精度位移传感器 (High-precision displacement sensor for high-speed measurement ) 是由 牛庾鑫 于 2020-12-25 设计创作，主要内容包括：本发明公开了一种用于高速测速的高精度位移传感器,包括位移传感器本体,位移传感器本体的一侧设有凸镜,位移传感器本体的外侧设有固定防护机构,固定防护机构包括安装支撑平台,安装支撑平台上连接有移动固定机构,移动固定机构与位移传感器本体相匹配,移动固定机构远离位移传感器本体的一侧设有防护外壳,防护外壳内设有缓冲气囊。本发明通过对高速测速位移传感器增加相应的防护机构,显著提高了高速位移传感器对阴雨、冰雹等恶劣天气的适应能力,避免了高速测速位移传感器由于受环境影响导致测量精度差的问题,大大提高了高速测速位移传感器的测量精度,延长了高速测速位移传感器的使用寿命。(The invention discloses a high-precision displacement sensor for high-speed measurement, which comprises a displacement sensor body, wherein a convex mirror is arranged on one side of the displacement sensor body, a fixed protection mechanism is arranged on the outer side of the displacement sensor body, the fixed protection mechanism comprises an installation supporting platform, a movable fixing mechanism is connected onto the installation supporting platform and matched with the displacement sensor body, a protection shell is arranged on one side, far away from the displacement sensor body, of the movable fixing mechanism, and a buffer air bag is arranged in the protection shell. According to the invention, by adding the corresponding protection mechanism to the high-speed measurement displacement sensor, the adaptability of the high-speed measurement displacement sensor to severe weather such as overcast and rainy days, hail days and the like is obviously improved, the problem of poor measurement precision of the high-speed measurement displacement sensor caused by environmental influence is avoided, the measurement precision of the high-speed measurement displacement sensor is greatly improved, and the service life of the high-speed measurement displacement sensor is prolonged.)

1. A high-precision displacement sensor for high-speed measurement comprises a displacement sensor body (1) and is characterized in that a convex mirror (101) is arranged on one side of the displacement sensor body (1), a fixed protection mechanism (2) is arranged on the outer side of the displacement sensor body (1), the fixed protection mechanism (2) comprises an installation supporting platform (201), a movable fixing mechanism (202) is connected onto the installation supporting platform (201), the movable fixing mechanism (202) is matched with the displacement sensor body (1), a protective shell (203) is arranged on one side, away from the displacement sensor body (1), of the movable fixing mechanism (202), a buffer air bag (204) is arranged in the protective shell (203), and a horizontal correction mechanism (205) is connected to one side, away from the displacement sensor body (1), of the installation supporting platform (201), one side of the horizontal correcting mechanism (205) far away from the protective shell (203) is connected with a supporting base (206), and a drying and dehumidifying mechanism (3) is arranged between the movable fixing mechanism (202) and the protective shell (203).

2. The high-precision displacement sensor for high-speed measurement according to claim 1, wherein the movable fixing mechanism (202) comprises a threaded rotating shaft (207), a transmission worm gear (208) is connected to the threaded rotating shaft (207), threaded sleeves (209) are arranged on two sides of the transmission worm gear (208), a movable sliding groove matched with the threaded sleeves (209) is formed in the installation supporting platform (201) in a chiseled mode, and a movable fixing plate (210) is connected to one side, away from the installation supporting platform (201), of each threaded sleeve (209).

3. The displacement transducer for high speed measurement according to claim 2, wherein the two ends of the threaded shaft (207) are cut with external threads in opposite directions, the threaded sleeve (209) is cut with internal threads matching with the threaded shaft (207), and the side of the movable fixing plate (210) close to the displacement transducer body (1) is provided with a buffer protection pad (211).

4. The high-precision displacement sensor for high-speed measurement according to claim 2, wherein a driving worm (212) is engaged with one side of the transmission worm gear (208) far away from the displacement sensor body (1), an installation groove matched with the driving worm (212) is formed in the installation supporting platform (201), and a fixing knob (213) is connected to one end of the driving worm (212) located outside the installation supporting platform (201).

5. The displacement sensor of claim 1, wherein the level calibration mechanism (205) comprises a weight block (214), a first cantilever (215) is disposed outside the weight block (214), a first rotating shaft (216) is connected between the first cantilever (215) and the weight block (214), a second cantilever (217) is disposed outside the first cantilever (215), and a second rotating shaft (218) is connected between the second cantilever (217) and the first cantilever (215).

6. The high-precision displacement sensor for high-speed measurement according to claim 5, wherein a third rotating shaft (219) is connected to the outer side of the second rotating shaft (218), a third cantilever (220) is connected to one end, far away from the second rotating shaft (218), of the third rotating shaft (219), a fixing snap ring (221) is arranged on one side, far away from the third rotating shaft (219), of the third cantilever (220), a connecting rotating shaft (222) is connected between the fixing snap ring (221) and the third cantilever (220), and a fixing shell (223) is connected to one side, far away from the third cantilever (220), of the fixing snap ring (221).

7. A high precision displacement transducer for high speed measurement according to claim 5 characterized in that the weight (214) has an auxiliary weight (224) on the side near the fixed knob (213), and the fixed casing (223) has a control box (225).

8. The high-precision displacement sensor for high-speed measurement according to claim 1, wherein the drying and dehumidifying mechanism (3) comprises a pair of dehumidifying fans (301), a drying filter bag (302) is arranged on each side of the pair of dehumidifying fans (301) close to the displacement sensor body (1), and a connecting block (303) is connected between the drying filter bag (302) and the protective casing (203).

9. The high-precision displacement sensor for high-speed measurement according to claim 8, wherein the drying filter bag (302) is filled with desiccant particles, the drying filter bag (302) is drilled with a plurality of drying holes uniformly distributed, and the connecting block (303) is drilled with a mounting chute matched with the drying filter bag (302).

10. The high-precision displacement sensor for high-speed measurement according to claim 8, wherein a plurality of humidity sensors (304) are uniformly distributed between the connection block (303) and the displacement sensor body (1), and the dehumidification fan (301) and the humidity sensors (304) are both electrically connected to the control box (225).

Technical Field

The invention belongs to the technical field of displacement sensors, and particularly relates to a high-precision displacement sensor for high-speed measurement.

Background

The displacement sensor is also called as a linear sensor and is a metal induction linear device, the sensor is used for converting various measured physical quantities into electric quantity, and in the using process, the displacement measurement is generally divided into measurement of physical size and mechanical displacement.

The existing displacement sensors can be roughly divided into the following parts according to different working principles: the potentiometer type displacement sensor converts mechanical displacement into resistance or voltage in a linear or random function relation with the mechanical displacement through a corresponding potentiometer element and outputs the resistance or voltage, and has the advantages of simple structure, large output signal, convenience in use and low price; the magnetostrictive displacement sensor is a displacement sensor which accurately detects the absolute position of a movable magnetic ring by a non-contact measurement and control technology to measure the actual displacement value of a detected product and has the advantages of long service life, strong environment adaptability, high reliability and good safety; the radar speed measurement displacement sensor measures the relative speed and the relative displacement of a target and a radar by using the Doppler effect principle and changing the frequency of a reflected signal, has the characteristics of easiness in capturing the target and convenience in use, and is mainly applied to the field of high-speed measurement.

The existing high-speed measurement displacement sensor is greatly influenced by severe weather such as overcast and rainy, hail, dust and the like when in use due to the lack of a corresponding protection mechanism, the condition that the measurement error of the high-speed measurement displacement sensor is increased due to environmental influence is easy to appear, the application range of the high-speed measurement displacement sensor is reduced, the precision of speed measurement through the high-speed measurement displacement sensor is greatly reduced, the service life of the high-speed measurement displacement sensor is shortened, and the use cost of the high-speed measurement displacement sensor is improved.

Therefore, in view of the above technical problems, it is necessary to provide a high-precision displacement sensor for high-speed velocity measurement.

Disclosure of Invention

The invention aims to provide a high-precision displacement sensor for high-speed measurement, which aims to solve the problem that the high-speed measurement displacement sensor is easily influenced by the environment and causes low measurement precision.

In order to achieve the above object, an embodiment of the present invention provides the following technical solutions:

the utility model provides a high accuracy displacement sensor for high-speed measurement, includes the displacement sensor body, one side of displacement sensor body is equipped with the convex lens, the outside of displacement sensor body is equipped with fixed protection machanism, fixed protection machanism includes installation supporting platform, be connected with on the installation supporting platform and remove fixed establishment, remove fixed establishment and displacement sensor body phase-match, it is equipped with protective housing to remove one side that fixed establishment kept away from the displacement sensor body, be equipped with the buffering gasbag in the protective housing, one side that the displacement sensor body was kept away from to installation supporting platform is connected with horizontal correction mechanism, one side that protective housing was kept away from to horizontal correction mechanism is connected with the support base, it dehumidifies the mechanism to remove to be equipped with drying between fixed establishment and the protective housing.

Furthermore, the movable fixing mechanism comprises a threaded rotating shaft, the fixed state of the displacement sensor body is conveniently controlled by arranging the threaded rotating shaft, the threaded rotating shaft is connected with a transmission worm wheel, the transmission worm wheel plays a role of driving the threaded rotating shaft to rotate, the power is provided for the rotation of the threaded rotating shaft, threaded sleeves are arranged on two sides of the transmission worm wheel, the threaded sleeves are conveniently driven to move by the rotation of the threaded rotating shaft, so that the displacement sensor body is supported and fixed, the movable fixing plate is fixedly supported, a movable sliding chute matched with the threaded sleeves is drilled on the installation supporting platform, a space is provided for the movement of the threaded sleeves by drilling a sliding chute matched with the threaded sleeves on the installation supporting platform, the displacement sensor body is convenient to move through the threaded sleeve, the fixed state of the displacement sensor body is convenient to control, the displacement sensor body is convenient to install and disassemble, the follow-up efficiency of maintaining and maintaining the displacement sensor body is improved, one side, far away from the installation supporting platform, of the threaded sleeve is connected with the movable fixing plate, the movable fixing plate plays a role in clamping and fixing the displacement sensor body, the displacement sensor body is clamped and fixed through the movable fixing mechanism, the stability of the displacement sensor body in the using process is improved, and the influence of external environment factors on the displacement sensor body in the using process is reduced.

Furthermore, the two ends of the threaded rotating shaft are provided with external threads in opposite directions, the two ends of the threaded rotating shaft are provided with the external threads in opposite directions, the threaded sleeve can be driven to move under the action of the external threads when the threaded rotating shaft rotates, so that the fixed state of the displacement sensor body can be controlled through the threaded rotating shaft, the threaded sleeve is provided with internal threads matched with the threaded rotating shaft, the displacement sensor body can be fixed and clamped through the mutual matching of the internal threads and the external threads, the external threads drilled at the two ends of the threaded rotating shaft are in opposite directions, and the internal threads on the threaded sleeve are in the same direction, so that the threaded sleeve can move in equal displacement along opposite directions when the threaded rotating shaft rotates, and the displacement sensor body can be centered and fixed through the movement of the threaded sleeve in opposite directions and equal displacement, the condition that the fixed position is not centered and the measurement accuracy is poor is avoided, the accuracy of fixing the displacement sensor body in the installation process is improved, one side, close to the displacement sensor body, of the movable fixing plate is provided with a buffering and protecting pad, the displacement sensor body is protected by the buffering and protecting pad arranged between the movable fixing plate and the displacement sensor body, the condition that the displacement sensor body is damaged due to the fact that the acting force of the movable fixing plate is large is avoided, and the effect of fixing the displacement sensor body through the movable fixing mechanism is improved.

Furthermore, a driving worm is meshed on one side, away from the displacement sensor body, of the transmission worm wheel, the driving worm plays a role in driving the transmission worm wheel to rotate, the rotating state of the threaded rotating shaft is conveniently controlled by controlling the rotating state of the driving worm, a mounting groove matched with the driving worm is formed in the mounting and supporting platform, the driving worm is conveniently mounted by forming the mounting groove matched with the driving worm in the mounting and supporting platform, a fixing knob is connected to one end, located outside the mounting and supporting platform, of the driving worm, the fixing knob is arranged to control the rotating state of the driving worm conveniently for an operator, the operator can control the rotating state of the driving worm by rotating the fixing knob and control the rotating state of the threaded rotating shaft by the transmission worm wheel meshed with the driving worm, thereby play the control action to the fixed state of displacement sensor body, improved the convenience that operating personnel fixed the displacement sensor body through removing fixed establishment, simplified the process of carrying out fixed mounting to the displacement sensor body, alleviateed the follow-up intensity of labour who carries out maintenance to the displacement sensor body.

Furthermore, the horizontal correction mechanism comprises a balancing weight, the balancing weight plays a role of balancing weight for the installation and support platform, the horizontal correction is conveniently carried out on the fixed displacement sensor body through the gravity of the balancing weight, the situation that the measurement precision is low due to the fact that the installation position of the displacement sensor body is not horizontal is reduced, meanwhile, the weight of the displacement sensor body is increased through the addition of the balancing weight, the resistance of the fixed protection mechanism to weather such as strong wind is improved, the applicability of the displacement sensor body in different environments is improved, a first cantilever is arranged on the outer side of the balancing weight, the balancing weight is reversely compensated through the arrangement of the first cantilever, a first rotating shaft is connected between the first cantilever and the balancing weight, the first rotating shaft plays a role in connecting the first cantilever and the balancing weight, and is convenient for playing roles in fixed support and horizontal correction for the balancing weight through the first cantilever, simultaneously through setting up first pivot, be convenient for take place relative rotation between balancing weight and the first cantilever, the outside of first cantilever is equipped with the second cantilever, and the second cantilever plays the effect of fixed stay to first cantilever, and the second cantilever has played the effect of supplementary first cantilever to carry out the level correction to the balancing weight simultaneously, be connected with the second pivot between second cantilever and the first cantilever, the second pivot plays the effect of connecting second cantilever and first cantilever, is convenient for take place relative rotation between second cantilever and the first cantilever and play the effect of further correction to the balancing weight, has reduced the influence of installation level to displacement sensor body measurement accuracy.

Furthermore, a third rotating shaft is connected to the outer side of the second rotating shaft, the second cantilever is conveniently and fixedly supported by the third rotating shaft, the second cantilever and the third cantilever are conveniently and relatively rotated, a third cantilever is connected to one end of the third rotating shaft, which is far away from the second rotating shaft, and the third cantilever plays a role in assisting horizontal correction of the balancing weight, the effect of horizontal correction of the displacement sensor body is improved by the third cantilever, a fixed snap ring is arranged on one side of the third cantilever, which is far away from the third rotating shaft, the third cantilever is fixedly supported by the fixed snap ring, the balancing weight, the first cantilever, the second cantilever and the third cantilever are conveniently and fixedly supported by the fixed snap ring, a connecting rotating shaft is connected between the fixed snap ring and the third cantilever, and a connecting rotating shaft is arranged between the fixed snap ring and the third cantilever, the third cantilever and the fixed snap ring can rotate relatively according to the actual situation of the mounting and supporting platform, so as to perform horizontal correction on the displacement sensor body, one side of the fixed snap ring, which is far away from the third cantilever, is connected with the fixed shell, the fixed shell can perform the effect of facilitating mounting and protecting on the balancing weight, the fixed shell is arranged, so that the displacement sensor body and the supporting base can be conveniently fixed, meanwhile, the fixed shell can perform the protection effect on the horizontal correction mechanism, the influence of external environmental factors on the horizontal correction of the horizontal correction mechanism is reduced, the effect of the horizontal correction mechanism on the displacement sensor body is improved, when the protective shell shakes under the action of external force or the displacement sensor body inclines due to poor horizontality of the mounting ground, the mounting and supporting platform moves under the action of the gravity of the balancing weight, when the balancing weight moves, the first cantilever rotates under the action of the first rotating shaft, and the mutual rotation of the first cantilever, the second cantilever and the third cantilever plays a role in horizontal correction on the mounting and supporting platform, so that the displacement sensor body can keep a horizontal state in the use process, and the measurement precision of the displacement sensor body is improved.

Furthermore, one side of the balancing weight block close to the fixed knob is provided with an auxiliary balancing weight block, the installation and support platform is convenient to play a role in balancing weight by the arrangement of the auxiliary balancing weight block, the influence of unbalanced weight on the horizontal state of the installation and support platform is reduced, the displacement sensor body is convenient to horizontally correct under the action of the gravity of the balancing weight block, thereby reducing the influence of environmental factors such as external strong wind and the like or the uneven ground installation on the measurement precision of the displacement sensor body, improving the application range of the displacement sensor body, arranging a control box in the fixed shell, the control box is convenient to play a control role in the drying and dehumidifying mechanism, so that the displacement sensor body can be correspondingly controlled according to the actual operation condition of the displacement sensor body, the reliability of the displacement sensor body in the using process is improved, and the intelligent development of the displacement sensor body is facilitated.

Furthermore, the drying and dehumidifying mechanism comprises a pair of dehumidifying fans, the dehumidifying fans are arranged to accelerate the circulation of air in the protective shell, so that moist air in the protective shell can be conveniently discharged through the dehumidifying fans, the influence of rainwater entering the protective shell in rainy weather on the working state of the displacement sensor body is reduced, meanwhile, the dehumidifying fans have a certain heat dissipation effect on the displacement sensor body, the displacement sensor body is cooled and dissipated through the operation of the dehumidifying fans, the working performance of the displacement sensor body is improved, the speed measurement precision of the displacement sensor body is further improved, drying filter bags are arranged on one sides of the pair of dehumidifying fans close to the displacement sensor body, the drying filter bags are used for drying moist air in the protective shell, and the air humidity in the protective shell is reduced through the arrangement of the drying filter bags, the air exhaust to the dehumidification fan has the drying effect simultaneously, avoids appearing the influence of humid air to displacement sensor body running state in the dehumidification fan operation environment, be connected with the connecting block between drying filter bag and the protective housing, plays fixed connection's effect to drying filter bag through the connecting block, has improved the stability in the drying filter bag use.

Furthermore, the drying filter bag is filled with drying agent particles, the drying agent particles are filled in the drying filter bag, the drying and dehumidifying effects on the air in the protective shell are achieved, the influence of the humid air on the working state of the electrical component in the displacement sensor body is reduced, and therefore the effect of improving the measurement accuracy of the displacement sensor body is achieved, the drying filter bag is provided with a plurality of drying holes which are uniformly distributed, the humid air in the protective shell conveniently enters the drying filter bag through the drying holes to be dried, the effect of drying the air in the protective shell through the drying filter bag is improved, the connecting block is provided with mounting chutes matched with the drying filter bag in a chiseling manner, and the drying filter bag is conveniently fixed and mounted through the chiseling chutes matched with the drying filter bag in the connecting block, make simultaneously the mode of operating personnel accessible pull to install and dismantle drying filter bag, the follow-up replenishment and the change of carrying out the drier granule to drying filter bag of operating personnel of being convenient for has improved the effect that dry dehumidification mechanism carries out the drying to the air in the protective housing.

Furthermore, a plurality of humidity sensors which are uniformly distributed are arranged between the connecting block and the displacement sensor body, the humidity sensors are arranged to facilitate the detection of the air humidity in the use environment of the displacement sensor body, the subsequent drying and dehumidifying treatment of the displacement sensor body through the dehumidifying fan and the drying filter bag is facilitated, the dehumidifying fan can dry and dehumidify the displacement sensor body when the air humidity in the protective shell reaches a set value, the energy consumption consumed in the drying and dehumidifying process of the displacement sensor body through the drying and dehumidifying mechanism is reduced, the effect of the drying and dehumidifying treatment of the displacement sensor body through the drying and dehumidifying mechanism is improved, the dehumidifying fan and the humidity sensors are both electrically connected with the control box, the dehumidifying fan is electrically connected with the control box, and the working state of the dehumidifying fan is conveniently controlled through the control box, thereby play the control action to the dry dehumidification process of displacement sensor body, through with humidity transducer and control box electric connection, be convenient for carry out corresponding control to humidity transducer through the control box, the effect of providing feedback control signal is played to the control box through humidity transducer to the detection of air humidity in the protective housing, through with dehumidification fan and humidity transducer and control box electric connection, be convenient for detect the air humidity in the protective housing through humidity transducer, accessible control box control dehumidification fan operation carries out the drying and dehumidification to the displacement sensor body when air humidity in the protective housing reaches the detected value.

Compared with the prior art, the invention has the following advantages:

according to the invention, by adding the corresponding protection mechanism to the high-speed measurement displacement sensor, the adaptability of the high-speed measurement displacement sensor to severe weather such as overcast and rainy days, hail days and the like is obviously improved, the problem of poor measurement precision of the high-speed measurement displacement sensor caused by environmental influence is avoided, the measurement precision of the high-speed measurement displacement sensor is greatly improved, and the service life of the high-speed measurement displacement sensor is prolonged.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a perspective view of a high-precision displacement sensor for high-speed measurement according to an embodiment of the present invention;

FIG. 2 is a front partial cross-sectional view of a high precision displacement sensor for high speed measurement according to an embodiment of the present invention;

FIG. 3 is a schematic diagram of a structure A shown in FIG. 2 according to an embodiment of the present invention;

FIG. 4 is a schematic diagram of a structure B shown in FIG. 2 according to an embodiment of the present invention;

FIG. 5 is a schematic diagram of a structure at C in FIG. 2 according to an embodiment of the present invention;

FIG. 6 is a schematic diagram illustrating a structure D shown in FIG. 2 according to an embodiment of the present invention;

FIG. 7 is a side view of a partial cross-sectional view of a high precision displacement sensor for high speed measurement in accordance with an embodiment of the present invention;

FIG. 8 is a schematic diagram illustrating a structure E shown in FIG. 7 according to an embodiment of the present invention;

fig. 9 is a schematic structural diagram of a portion F in fig. 7 according to an embodiment of the present invention.

In the figure: 1. the displacement sensor comprises a displacement sensor body, 101, a convex mirror, 2, a fixed protection mechanism, 201, a mounting support platform, 202, a movable fixing mechanism, 203, a protection shell, 204, a buffer air bag, 205, a horizontal correction mechanism, 206, a support base, 207, a threaded rotating shaft, 208, a transmission worm wheel, 209, a threaded sleeve, 210, a movable fixing plate, 211, a buffer protection pad, 212, a driving worm, 213, a fixing knob, 214, a balancing weight, 215, a first cantilever, 216, a first rotating shaft, 217, a second cantilever, 218, a second rotating shaft, 219, a third rotating shaft, 220, a third rotating arm, 221, a fixed clamping ring and 222, a connecting rotating shaft, 223, a fixed shell, 224, an auxiliary balancing weight, 225, a control box, 3, a drying and dehumidifying mechanism, 301, a dehumidifying fan, 302, a drying filter bag, 303, a connecting block, 304, a humidity sensor, 4, a convex mirror cleaning mechanism, 401, a movable cleaning plate, a, 402. The cleaning cotton layer, 403, a movable sleeve, 404, a transmission rotating shaft, 405, a driving spiral gear, 406, a driven spiral gear, 407, a rotating shaft, 408, a rotating motor, 409, a coupler and 410, and a rotating shaft supporting block.

Detailed Description

The present invention will be described in detail below with reference to embodiments shown in the drawings. The embodiments are not intended to limit the present invention, and structural, methodological, or functional changes made by those skilled in the art according to the embodiments are included in the scope of the present invention.

The invention discloses a high-precision displacement sensor for high-speed measurement, which comprises a displacement sensor body 1, wherein a convex mirror 101 is arranged on one side of the displacement sensor body 1, a fixed protection mechanism 2 is arranged on the outer side of the displacement sensor body 1, the fixed protection mechanism 2 comprises an installation supporting platform 201, the installation supporting platform 201 plays a role in fixedly supporting the displacement sensor body 1, meanwhile, an auxiliary movable fixing mechanism 202 plays a role in clamping and fixing the displacement sensor body 1, a movable fixing mechanism 202 is connected on the installation supporting platform 201, the movable fixing mechanism 202 is matched with the displacement sensor body 1, the movable fixing mechanism 202 plays a role in clamping and fixing the displacement sensor body 1, and the condition that the displacement sensor body 1 shakes due to the influence of severe weather such as external strong wind and the like on the fixed protection mechanism 2 is reduced, the resistance of the displacement sensor body 1 to severe weather such as strong wind and the like is improved, the precision of the displacement sensor body 1 during high-speed measurement is improved, the protective shell 203 is arranged on one side of the movable fixing mechanism 202 away from the displacement sensor body 1, the displacement sensor body 1 is protected by arranging the protective shell 203, the condition that the displacement sensor body 1 is damaged by weather such as hail and the like is avoided, the service life of the displacement sensor body 1 is prolonged, the buffer air bag 204 is arranged in the protective shell 203, air is filled in the buffer air bag 204, the buffer air bag 204 plays a role in buffering and damping the protective shell 203, the resistance of the protective shell 203 to external force is convenient to improve, meanwhile, when the protective shell 203 deforms, the protective shell 203 can be reset through the effect of the pressure of the air in the buffer air bag 204, and the effect of the protective shell 203 on protecting the displacement sensor body 1 is improved, one side that displacement sensor body 1 was kept away from to installation supporting platform 201 is connected with horizontal correction mechanism 205, through setting up horizontal correction mechanism 205, be convenient for play horizontal correction's effect to installation supporting platform 201, thereby the effect of the installation level of adjustment displacement sensor body 1 has been played, be convenient for reduce the poor influence to displacement sensor body 1 measurement accuracy of horizontality, one side that protection casing 203 was kept away from to horizontal correction mechanism 205 is connected with support base 206, support base 206 plays the effect of fixed stay to fixed protection mechanism 2, be equipped with dry dehumidification mechanism 3 between removal fixed establishment 202 and the protection casing 203, be convenient for carry out dry dehumidification to displacement sensor body 1 through setting up dry dehumidification mechanism 3, the influence of humid air to displacement sensor body 1 working property under overcast and rainy weather has been reduced.

Wherein, one side of the displacement sensor body 1 far away from the control box 225 is provided with a convex mirror cleaning mechanism 4, the convex mirror cleaning mechanism 4 comprises a movable cleaning plate 401, the movable cleaning plate 401 is arranged to facilitate the fixed support of the cleaning cotton layer 402, and simultaneously facilitate the movement of the cleaning cotton layer 402 driven by the movable cleaning plate 401, thereby cleaning the convex mirror 101, one side of the movable cleaning plate 401 near the displacement sensor body 1 is provided with the cleaning cotton layer 402, the convex mirror 101 is cleaned by the movement of the cleaning cotton layer 402, the situation that the displacement sensor body 1 is poor in measurement precision due to the influence of external dust and other factors is reduced, one side of the movable cleaning plate 401 near the mounting support platform 201 is connected with a movable sleeve 403, the movable sleeve 403 plays a role of driving the movable cleaning plate 401 to move, thereby facilitating the cleaning of the convex mirror 101 by the cleaning cotton layer 402 driven by the movement of the movable sleeve 403, an internal thread is drilled on the movable sleeve 403, so that the movable cleaning plate 401 can be driven to move correspondingly through the rotation of the transmission rotating shaft 404 due to the interaction of the internal thread and the external thread, the transmission rotating shaft 404 is connected to the movable sleeve 403, and the movable cleaning plate 401 can be driven to move, an external thread matched with the movable sleeve 403 is drilled on the transmission rotating shaft 404, so that the movable sleeve 403 can be driven to move correspondingly through the rotation of the transmission rotating shaft 404, a driving helical gear 405 is arranged on one side of the transmission rotating shaft 404, the driving helical gear 405 is arranged to facilitate the transmission of power generated by the rotation of the rotating shaft 407, a driven helical gear 406 meshed with the driving helical gear 405 is connected to the transmission rotating shaft 404, and the driven helical gear 406 meshed with the driving helical gear 405 is arranged to facilitate the cooperation of the driving helical gear 405 and the driven helical gear 406 to provide power for the rotation of the transmission rotating shaft 404, a rotating shaft 407 is connected to the driving spiral gear 405, the rotating shaft 407 plays a role of transmitting the power of the rotating motor 408, the rotating motor 408 is arranged on one side of the rotating shaft 407 away from the driving spiral gear 405, the rotating motor 408 is electrically connected with the control box 225, the operating state of the rotating motor 408 is conveniently controlled by the control box 225 through electrically connecting the rotating motor 408 with the control box 225, thereby controlling the cleaning process of the convex mirror 101, a coupler 409 is connected between the rotating motor 408 and the rotating shaft 407, the coupler 409 plays a role of connecting the rotating motor 408 with the rotating shaft 407, so that the rotating shaft 407 correspondingly rotates along with the rotation of the rotating motor 408, a rotating shaft supporting block 410 is arranged on one side of the rotating shaft 407 away from the rotating motor 408, the rotating shaft supporting block 410 plays a role of fixedly supporting the rotating shaft 407, and the convex mirror 101 is cleaned by arranging the convex mirror cleaning mechanism 4, the influence of factors such as dust on the measurement precision of the displacement sensor body 1 is reduced, and the applicability and the use effect of the displacement sensor body 1 are improved.

Referring to fig. 2-6, the movable fixing mechanism 202 includes a threaded shaft 207, which is used to control the fixing state of the displacement sensor body 1 by setting the threaded shaft 207, the threaded shaft 207 is connected with a transmission worm gear 208, the transmission worm gear 208 is used to drive the threaded shaft 207 to rotate, which provides power for the rotation of the threaded shaft 207, both sides of the transmission worm gear 208 are provided with threaded sleeves 209, both sides of the transmission worm gear 208 are provided with the threaded sleeves 209, which is used to drive the threaded sleeves 209 to move by the rotation of the threaded shaft 207, so as to support and fix the displacement sensor body 1, and also to fixedly support the movable fixing plate 210, the mounting and supporting platform 201 is provided with a movable chute matching with the threaded sleeves 209, and the mounting and supporting platform 201 is provided with a chute matching with the threaded sleeves 209, space is provided for the removal of threaded sleeve 209, be convenient for control the fixed state of displacement sensor body 1 through the removal of threaded sleeve 209, be convenient for install and dismantle displacement sensor body 1, the follow-up efficiency of maintaining and maintaining displacement sensor body 1 has been improved, one side that threaded sleeve 209 kept away from installation supporting platform 201 is connected with removal fixed plate 210, removal fixed plate 210 plays the effect of pressing from both sides tight fixed to displacement sensor body 1, press from both sides tight fixed to displacement sensor body 1 through removing fixed establishment 202, the stability in the displacement sensor body 1 use has been improved, displacement sensor body 1 receives the influence of external environment factor in the use has been reduced.

Referring to fig. 3-6, opposite external threads are cut at two ends of the threaded shaft 207, and by cutting opposite external threads at two ends of the threaded shaft 207, the threaded sleeve 209 is driven to move by the external threads when the threaded shaft 207 rotates, so that the fixing state of the displacement sensor body 1 is controlled by the threaded shaft 207, and an internal thread matched with the threaded shaft 207 is cut on the threaded sleeve 209, so that the displacement sensor body 1 is fixed and clamped by the mutual matching of the internal thread and the external threads, because the external threads cut at two ends of the threaded shaft 207 are opposite in direction and the internal threads on the threaded sleeve 209 are the same in direction, the threaded sleeve 209 can move in the opposite direction when the threaded shaft 207 rotates, and the opposite and equal displacement movements performed by the threaded sleeve 209 facilitate the centering and fixing of the displacement sensor body 1, avoided appearing displacement sensor body 1 because the fixed position misalignment leads to the poor condition of measurement accuracy, improved and carried out the accuracy of installation fixing to displacement sensor body 1, one side that removes fixed plate 210 and be close to displacement sensor body 1 is equipped with buffering protection pad 211, through set up buffering protection pad 211 between removing fixed plate 210 and displacement sensor body 1 and played the guard action to displacement sensor body 1, avoid appearing because the great condition that leads to displacement sensor body 1 to damage of effort that removes fixed plate 210 is fixed, the effect of fixing is carried out displacement sensor body 1 through removing fixed establishment 202 has been improved.

Referring to fig. 2-7, a driving worm 212 is engaged with a side of the driving worm wheel 208 away from the displacement sensor body 1, the driving worm 212 drives the driving worm wheel 208 to rotate, so as to control the rotation state of the threaded spindle 207 by controlling the rotation state of the driving worm 212, an installation groove matched with the driving worm 212 is drilled on the installation support platform 201, the driving worm 212 is convenient to install by drilling an installation groove matched with the driving worm 212 on the installation support platform 201, a fixing knob 213 is connected to one end of the driving worm 212 located outside the installation support platform 201, the fixing knob 213 is arranged so as to control the rotation state of the driving worm 212 by an operator, the operator can control the rotation state of the driving worm 212 by rotating the fixing knob 213, the rotating state of the threaded rotating shaft 207 is controlled by the transmission worm gear 208 meshed with the driving worm 212, so that the fixing state of the displacement sensor body 1 is controlled, the convenience of fixing the displacement sensor body 1 by an operator through the movable fixing mechanism 202 is improved, the process of fixedly mounting the displacement sensor body 1 is simplified, and the subsequent labor intensity of maintaining the displacement sensor body 1 is reduced.

Referring to fig. 2-9, the horizontal calibration mechanism 205 includes a weight block 214, the weight block 214 plays a role of balancing the mounting and supporting platform 201, so as to perform horizontal calibration on the fixed displacement sensor body 1 by the self gravity of the weight block 214, reduce the low measurement accuracy of the displacement sensor body 1 caused by the non-horizontal mounting position, increase the weight of the displacement sensor body 1 by adding the weight block 214, improve the resistance of the fixed protection mechanism 2 to weather such as strong wind, and improve the applicability of the displacement sensor body 1 in different environments, one side of the weight block 214 close to the fixing knob 213 is provided with an auxiliary weight block 224, which facilitates to play a role of balancing the weight on the mounting and supporting platform 201 by arranging the auxiliary weight block 224, and reduce the influence of unbalanced weight on the horizontal state of the mounting and supporting platform 201, the displacement sensor body 1 is conveniently corrected horizontally through the gravity action of the balancing weight 214, so that the influence of environmental factors such as external strong wind or the unevenness of the installation ground on the measurement precision of the displacement sensor body 1 is reduced, the application range of the displacement sensor body 1 is improved, the first cantilever 215 is arranged on the outer side of the balancing weight 214, the balancing weight 214 is reversely compensated through the first cantilever 215, the first rotating shaft 216 is connected between the first cantilever 215 and the balancing weight 214, the first rotating shaft 216 has the function of connecting the first cantilever 215 and the balancing weight 214, the balancing weight 214 is conveniently supported and horizontally corrected through the first cantilever 215, meanwhile, the balancing weight 214 and the first cantilever 215 are conveniently rotated relatively through the first rotating shaft 216, the second cantilever 217 is arranged on the outer side of the first cantilever 215, and the first cantilever 215 is fixedly supported by the second cantilever 217, meanwhile, the second cantilever 217 plays a role in assisting the first cantilever 215 in horizontally correcting the balancing weight 214, a second rotating shaft 218 is connected between the second cantilever 217 and the first cantilever 215, the second rotating shaft 218 plays a role in connecting the second cantilever 217 and the first cantilever 215, relative rotation is facilitated between the second cantilever 217 and the first cantilever 215 to further correct the balancing weight 214, and the influence of the installation level on the measurement accuracy of the displacement sensor body 1 is reduced.

Referring to fig. 5, a third rotating shaft 219 is connected to an outer side of the second rotating shaft 218, the third rotating shaft 219 is provided to facilitate the fixed support of the second cantilever 217 and the relative rotation between the second cantilever 217 and the third cantilever 220, a third cantilever 220 is connected to an end of the third rotating shaft 219 away from the second rotating shaft 218, the third cantilever 220 assists in the horizontal calibration of the counterweight block 214, the third cantilever 220 improves the horizontal calibration of the displacement sensor body 1, a fixed snap ring 221 is provided on a side of the third cantilever 220 away from the third rotating shaft 219, the third cantilever 220 is supported and fixed by the fixed snap ring 221, the counterweight block 214, the first cantilever 215, the second cantilever 217 and the third cantilever 220 are fixedly supported by the fixed snap ring 221, and a connecting rotating shaft 222 is connected between the fixed snap ring 221 and the third cantilever 220, the connecting rotating shaft 222 is arranged between the fixed snap ring 221 and the third cantilever 220, so that the third cantilever 220 and the fixed snap ring 221 can rotate relatively according to the actual situation of the mounting and supporting platform 201, and the displacement sensor body 1 can be horizontally corrected, one side of the fixed snap ring 221 away from the third cantilever 220 is connected with the fixed shell 223, the fixed shell 223 can be used for conveniently mounting the counterweight block 214 on the protection, the fixed shell 223 can be used for conveniently fixing the displacement sensor body 1 and the supporting base 206, and simultaneously the fixed shell 223 can be used for protecting the horizontal correcting mechanism 205, so that the influence of external environmental factors on the horizontal correction of the horizontal correcting mechanism 205 is reduced, the effect of the horizontal correcting mechanism 205 on the displacement sensor body 1 is improved, the control box 225 is arranged in the fixed shell 223, and the control function of the drying and dehumidifying mechanism 3 is facilitated by arranging the control box 225, make can carry out corresponding control to displacement sensor body 1 according to displacement sensor body 1's actual operation condition, the reliability in the displacement sensor body 1 use has been improved, be convenient for displacement sensor body 1's intelligent development, when protective housing 203 because receive the exogenic action the condition that appears rocking or when installation ground level nature is poor to lead to displacement sensor body 1 to incline, installation supporting platform 201 removes under the effect of balancing weight 214 gravity, first cantilever 215 rotates under the effect of first pivot 216 when balancing weight 214 removes, through first cantilever 215, the mutual rotation of second cantilever 217 and third cantilever 220 plays the effect of horizontal correction to installation supporting platform 201, thereby make displacement sensor body 1 can keep the horizontality in the use, the measurement accuracy of displacement sensor body 1 has been improved.

Referring to fig. 7-9, the drying and dehumidifying mechanism 3 includes a pair of dehumidifying fans 301, the dehumidifying fans 301 accelerate the air flow in the protective housing 203, so as to facilitate the discharging of the moist air in the protective housing 203 through the dehumidifying fans 301, reduce the influence of rainwater entering the protective housing 203 on the working state of the displacement sensor body 1 in rainy days, meanwhile, the dehumidifying fans 301 have a certain heat dissipation effect on the displacement sensor body 1, the dehumidifying fans 301 operate to cool the displacement sensor body 1, so as to improve the working performance of the displacement sensor body 1, further improve the accuracy of speed measurement of the displacement sensor body 1, the pair of dehumidifying fans 301 are provided with drying filter bags 302 on the sides close to the displacement sensor body 1, and the drying filter bags 302 dry the moist air in the protective housing 203, the air humidity in the protective shell 203 is reduced by arranging the drying filter bag 302, the air exhausted by the dehumidifying fan 301 has a drying effect, the influence of damp air on the operation state of the displacement sensor body 1 in the environment when the dehumidifying fan 301 operates is avoided, the drying filter bag 302 is filled with desiccant particles, the drying filter bag 302 is filled with the desiccant particles, the air in the protective shell 203 is dried and dehumidified, the influence of the damp air on the working state of an electrical component in the displacement sensor body 1 is reduced, the measurement precision of the displacement sensor body 1 is improved, the drying filter bag 302 is provided with a plurality of drying holes which are uniformly distributed, and the plurality of drying holes which are uniformly distributed are formed in the drying filter bag 302, so that the damp air in the protective shell 203 can conveniently enter the drying filter bag 302 through the drying holes for drying, the effect of carrying out the drying through the air of dry filter bag 302 in to protective housing 203 is improved, be connected with connecting block 303 between dry filter bag 302 and the protective housing 203, play fixed connection's effect to dry filter bag 302 through connecting block 303, the stability in the dry filter bag 302 use has been improved, it has the installation spout with dry filter bag 302 assorted to excavate on the connecting block 303, through excavate on connecting block 303 and dry filter bag 302 assorted spout, be convenient for play fixed mounting's effect to dry filter bag 302, make the mode of operating personnel accessible pull install and dismantle dry filter bag 302 simultaneously, be convenient for the follow-up supplementary and the change of carrying out the drier granule to dry filter bag 302 of operating personnel, dry dehumidification mechanism 3 has been improved and has carried out dry effect to the air in the protective housing 203.

Referring to fig. 2-9, a plurality of humidity sensors 304 are uniformly distributed between the connecting block 303 and the displacement sensor body 1, the humidity sensors 304 are arranged to facilitate detecting air humidity in the use environment of the displacement sensor body 1 and subsequently drying and dehumidifying the displacement sensor body 1 through the dehumidifying fan 301 and the drying filter bag 302, so that the dehumidifying fan 301 can dry and dehumidify the displacement sensor body 1 when the air humidity in the protective housing 203 reaches a set value, energy consumption consumed in the process of drying and dehumidifying the displacement sensor body 1 through the drying and dehumidifying mechanism 3 is reduced, the effect of drying and dehumidifying the displacement sensor body 1 by the drying and dehumidifying mechanism 3 is improved, the dehumidifying fan 301 and the humidity sensors 304 are electrically connected with the control box 225, and by electrically connecting the dehumidifying fan 301 with the control box 225, be convenient for control the operating condition of dehumidification fan 301 through control box 225, thereby play the control effect to the dry dehumidification process of displacement sensor body 1, through with humidity transducer 304 and control box 225 electric connection, be convenient for carry out corresponding control to humidity transducer 304 through control box 225, the detection to air humidity in protective housing 203 through humidity transducer 304 has played the effect that provides feedback control signal to control box 225, through with dehumidification fan 301 and humidity transducer 304 and control box 225 electric connection, be convenient for detect the air humidity in protective housing 203 through humidity transducer 304, accessible control box 225 controls dehumidification fan 301 operation when the air humidity in protective housing 203 reaches the detected value and carries out dry dehumidification to displacement sensor body 1.

When the device is used specifically, an operator can drive the transmission worm wheel 208 to rotate by rotating the fixing knob 213 through the driving worm 212, the movable fixing plate 210 is driven to move in equal displacement by rotating the thread rotating shaft 207, so that the displacement sensor body 1 can be centered and fixed, the fixed displacement sensor body 1 can be horizontally corrected by the mutual rotation of the first cantilever 215, the second cantilever 217 and the third cantilever 220 under the action of the balancing weight 214, when the humidity sensor 304 detects that the humidity in the air in the protective shell 203 is high, the dehumidifying fan 301 is controlled by the control box 225 to operate to dry and dehumidify the displacement sensor body 1, when the dust and dirt on the surface of the convex lens 101 affect the measurement precision, the rotating motor 408 is controlled by the control box 225 to operate to drive the movable cleaning plate 401 to move, and the convex lens 101 is cleaned by the cleaning cotton layer 402, the influence of factors such as dust on the measurement accuracy of the displacement sensor body 1 is reduced.

According to the technical scheme, the invention has the following beneficial effects:

according to the invention, by adding the corresponding protection mechanism to the high-speed measurement displacement sensor, the adaptability of the high-speed measurement displacement sensor to severe weather such as overcast and rainy days, hail days and the like is obviously improved, the problem of poor measurement precision of the high-speed measurement displacement sensor caused by environmental influence is avoided, the measurement precision of the high-speed measurement displacement sensor is greatly improved, and the service life of the high-speed measurement displacement sensor is prolonged.