CN208350105U - A kind of sensor stationary fixture - Google Patents

Abstract

The utility model discloses a kind of sensor stationary fixtures, the fixture includes absorbent module (1) and limit assembly (2), the absorbent module (1) contacts with detected member, is fixedly connected with sensor stationary fixture integrally with detected pieces；The limit assembly (2) is for fixing sensor；It is provided between the absorbent module (1) and limit assembly (2) and adjusts component (3), to adjust the position of sensor and stationary fixture.Sensor stationary fixture provided by the utility model, structure is simple, and adsorption efficiency is high, applied widely, can fix sensor on out-of-flatness surface and curved surface.

Description

A kind of sensor stationary fixture

Technical field

The utility model relates to sensor fixed networks, and in particular to a kind of sensor stationary fixture.

Background technique

Acoustical signal non-destructive testing is that object acoustical signal is received by acoustic signal sensor thus judgment object defective bit itself It sets and a technology of degree.With the continuous renewal of acoustical signal non-destructive detecting device, will be used wider and wider general.But It is, since its correlation corollary equipment does not timely update, to be unable to satisfy sensor installing and using under complex environment, become Limit one of the factor that can not ignore of acoustical signal non-destructive detecting device development.

Especially in historical relic's protection field, due to the special value of detected pieces, when carrying out acoustical signal non-destructive testing to it, The whole process of fixation, installation, test and the disassembly of sensor does not allow to cause detected pieces secondary destruction.

In the prior art, common detection method and means have the following problems:

(1) when detection site is in a horizontal position or with respect to the horizontal plane inclination angle is no more than 30 °, smearing coupling is mostly used The fixed sensor of the mode of mixture, but there are couplants to detected pieces (the especially detected pieces of non-metallic material) for existing couplant The phenomenon that lower infiltration, can corrode detected pieces, not be suitable for the detected pieces with historical cultural environment；

(2) when with respect to the horizontal plane inclination angle is greater than 30 ° or detection site in a vertical state to detection site, The fixed sensor of attraction-iron type fixture is mostly used on metal material, but there is presently no preferable fixation sides on non-metallic material Method；

(3) when be detected part surface irregularity or be curved surface when, currently without preferable fixing means.

The presence of the above problem seriously limits acoustical signal non-destructive testing technology with the nonmetallic of historical cultural environment Application on material historical relic.

Therefore it provides it is a kind of apply in the history relic of non-metallic material, adsorption efficiency is high and will not damage detected pieces Sensor stationary fixture, the problem of being current urgent need to resolve.

Utility model content

In order to overcome the above problem, present inventor has performed sharp studies, design a kind of sensor stationary fixture, described Sensor stationary fixture includes absorbent module and limit assembly, and the absorbent module is contacted with detected member, passes through suction-operated It is fixedly connected with sensor stationary fixture integrally with detected pieces, can be improved the adsorption efficiency and the scope of application of fixture, and will not Detected pieces are damaged；The limit assembly is for fixing sensor；It is arranged between the absorbent module and limit assembly There is adjusting component, to adjust the position of sensor and stationary fixture, so as to complete the utility model.

Specifically, the purpose of this utility model is to provide a kind of sensor stationary fixtures, wherein the fixture includes inhaling Attached component 1 and limit assembly 2, the absorbent module 1 are contacted with detected member, keep sensor stationary fixture whole solid with detected pieces Fixed connection；The limit assembly 2 is for fixing sensor；Adjusting group is provided between the absorbent module 1 and limit assembly 2 Part 3, to adjust the position of sensor and stationary fixture.

Wherein, the absorbent module 1 includes sequentially connected exhaust part 11 and sucker 12, the exhaust part 11 and sucker 12 It is connected through a screw thread,

The sucker 12 is attached to detected pieces surface, by way of absorption by sensor stationary fixture be integrally attached to by It examines on part.

Wherein, the sucker 12 includes pressure ring 121 and platen 122, is provided in the center of the platen 122 logical Hole,

The top of the through-hole is provided with connection component, so that vacuum chamber and exhaust part 11 between sucker and detected pieces Connection.

Wherein, there are multiple convex edges in the bottom end of the platen 122, the multiple convex edge is coaxial arrangement, wherein in phase It is provided with groove between adjacent convex edge,

The top of the pressure ring 121 and multiple convex edges of 122 bottom end of platen and multiple grooves are cooperatively connected.

Wherein, the bottom end of the pressure ring 121 is provided with multiple grooves, can consolidate in out-of-flatness plane or curved surface It is fixed,

The depth of the groove is different, and the depth of groove close to 121 inner wall of pressure ring is minimum, close to the recessed of 121 outer wall of pressure ring Groove depth is maximum, is from inside to outside in increasing trend.

Wherein, it is additionally provided with first boss 127 in the inside of the platen 122, to limit the position of connection component,

The connection component includes the first connector 123 and airtight briquetting 126, and the airtight briquetting 126 is cooperatively connected The lower part of first connector 123, it is described to be connected as being threadedly coupled.

Wherein, sealing element is provided between first connector 123, airtight briquetting 126 and first boss 127 124, to prevent from having in the sucker course of work gas to flow into vacuum chamber.

Wherein, the limit assembly 2 includes limit plate 21 and mandril 22, is offered in the center of the limit plate 21 Through-hole, the mandril 22 are worn in through-holes,

The top of the mandril 22 is provided with screw thread, is connected through a screw thread with the through-hole at 21 center of limit plate.

Wherein, the adjusting component 3 includes mobile jib 31 and secondary bar 32, and the mobile jib 31 is by being arranged in the second of its bottom end Connector 311 is connected with exhaust part 11, and the secondary bar 32 passes through the third connector 321 that its top is arranged in and limit plate 21 connects It connects.

Wherein, the mobile jib 31 is fixedly connected with secondary bar 32 by lock handle 33.

The utility model additionally provides a kind of acoustical signal processing method, it is preferred to use the sensor stationary fixture, institute State method the following steps are included:

Step 1, detection piece and detection position are selected, in detection place sensors；

Step 2, the surface perpendicular contact for making mandril 22 Yu sensor, then fixes sensor according to the position of mandril 22 Fixture is positioned；

Step 3, loose lock handle 33 is adjusted, by adjusting the position of mobile jib 31 and secondary bar 32, so that the central axes of sucker 12 It is vertical with the detection piece surface that it is adsorbed, after position determines, tighten lock handle 33；

Step 4, in the external connection vacuum equipment of exhaust part 11 so that sucker 12 and detection piece surface formed it is certain true Sensor stationary fixture is integrally attached on detection piece by reciprocal of duty cycle；Then mandril 22 is adjusted, its abundant jam sensor is made；

Step 5, the detection that acoustical signal is carried out to detection piece, passes through sensor monitoring data；

Step 6, after detection, adjustment mandril 22 disengages it from sensor, then makes between sucker 12 and adsorption site Into air, and then remove stationary fixture.

Beneficial effect possessed by the utility model includes:

(1) sensor stationary fixture described in the utility model, structure is simple, operation and convenient disassembly, versatile；

(2) sensor stationary fixture described in the utility model will not be right using the physics fixed form of " vacuum suction " Detected member causes secondary damage；And can be used cooperatively with adjusting component to measure the detected pieces of different structure size, it is applicable in model It encloses relatively wide；

(3) sensor stationary fixture described in the utility model fixes sensor using the physics fixed form of compression type, It can guarantee that sensor comes into full contact with detected pieces, improve signal-to-noise ratio, avoid lower infiltration, the corrosion of couplant；

(4) sucker described in the utility model is made of flexible material and has multilayered structure, phase between each layer structure Mutual independence is not interfere with each other, and is overcome previous sensor problem fixed in out-of-flatness plane and curved surface, is improved sucker The scope of application and adsorption efficiency.

Detailed description of the invention

Fig. 1 shows the main view of sensor stationary fixture described in the utility model；

Fig. 2 shows the perspective views of sensor stationary fixture described in the utility model；

Fig. 3 shows the sectional view of sucker described in the utility model；

Fig. 4 shows the schematic diagram of spherical hinge structure described in the utility model；

Fig. 5 shows the schematic diagram of retaining mechanism described in the utility model.

Drawing reference numeral explanation:

1- absorbent module；

11- exhaust part；

12- sucker；

121- pressure ring；

122- platen；

The first connector of 123-；

124- sealing element；

125- rib；

The airtight briquetting of 126-；

127- first boss；

128- second boss；

129- third boss；

2- limit assembly；

21- limit plate；

22- mandril；

3- adjusts component；

31- mobile jib；

The second connector of 311-；

32- secondary bar；

321- third connector；

322- bulb；

The top 323-；

324- cushion rubber；

325- connecting rod；

326- sleeve；

33- lock handle；

34- bolt；

35- screwed pipe.

Specific embodiment

The utility model is further described below by drawings and examples.Illustrated by these, this is practical new The characteristics of type and advantage will become more apparent from clear.Wherein, although the various aspects of embodiment are shown in the attached drawings, Unless otherwise indicated, it is not necessary to attached drawing drawn to scale.

The utility model provides a kind of sensor stationary fixture, as shown in Figure 1, the sensor stationary fixture includes inhaling Attached component 1 and limit assembly 2, the absorbent module 1 are contacted with detected member, keep sensor stationary fixture whole solid with detected pieces Fixed connection；The limit assembly 2 is for fixing sensor；Adjusting group is provided between the absorbent module 1 and limit assembly 2 Part 3, to adjust the position of sensor and stationary fixture.

According to a kind of preferred embodiment of the utility model, as shown in Fig. 2, the absorbent module 1 includes being sequentially connected Exhaust part 11 and sucker 12, the exhaust part 11 and sucker 12 are connected through a screw thread.

Wherein, the absorbent module 1 preferably has 2.

In further preferred embodiment, the sucker 12 is attached to detected pieces surface, will by way of absorption Sensor stationary fixture is integrally attached in detected pieces.

In the present invention, the fixed clamp of sensor by the way of absorption, is able to solve sensor in non-metallic material The problem that inclined-plane, the inside of matter can not be fixed.

Wherein, the central axes of the sucker 12 are vertical with absorption surface.

In embodiment still more preferably, it is connected with vacuum equipment in the side of the exhaust part 11, for taking out It takes the gas between sucker 12 and detected pieces surface and gas is discharged by exhaust part 11.

Wherein, the exhaust part 11 is connect by tracheae with vacuum equipment, extracts detected pieces and sucker by vacuum equipment Between air, certain vacuum degree is formed, so that entire stationary fixture is fixed in detected pieces, without causing to detected pieces Secondary damage.

Wherein, the vacuum equipment is preferably air compressor, can carry out vacuumizing work periodically, with ensure by Inspection part can be adsorbed for a long time.

Preferably, the exhaust part 11 can prevent the gas reverse flow of discharge, preferably unidirectional valve.

According to a kind of preferred embodiment of the utility model, as shown in figure 3, the sucker 12 includes pressure ring 121 and pressure The center of disk 122, the platen 122 is provided with through-hole,

The top of the through-hole is provided with connection component, so that vacuum chamber and exhaust part 11 between sucker and detected pieces Connection.

In further preferred embodiment, the bottom end of the platen 122 has multiple convex edges, and the multiple convex edge is Coaxial arrangement, wherein be provided with groove between adjacent convex edge.

In embodiment still more preferably, the vertical height of the convex edge is different, wherein in platen 122 The vertical height in the convex edge of shaft position is maximum, increase of the convex edge height with convex edge away from platen half-breadth and increase.

According to a kind of preferred embodiment of the utility model, the top of the pressure ring 121 is multiple with 122 bottom end of platen Convex edge and multiple grooves are cooperatively connected, and are preferably interference fitted.

In further preferred embodiment, it is provided with rib 125 on the outside of 121 outer wall of pressure ring, with auxiliary The position of fixed pressure ring.

In the present invention, the rib 125 constitutes the outer wall of platen 122, total with multiple convex edges of platen bottom end Same-action, with the position of fixed pressure ring 121.

In embodiment still more preferably, the pressure ring 121 is made of flexible material, with the energy when vacuumizing It is enough that deformation occurs.

Wherein, pressure ring can also avoid causing secondary damage to detected pieces during fixation using flexible material.

According to a kind of preferred embodiment of the utility model, the bottom end of the pressure ring 121 is provided with multiple grooves, with It can be fixed in out-of-flatness plane or curved surface.

Wherein, multiple grooves are arranged in pressure ring bottom, can be improved the adsorption efficiency of sucker, guarantees the air-tightness of sucker, Stationary fixture long-time stable provided by the utility model is set to be adsorbed in detected pieces.

Preferably, the groove has 3.

In further preferred embodiment, it is in increasing trend that the depth of the groove is different from inside to outside, close The depth of groove of 121 inner wall of pressure ring is minimum, and the depth of groove close to 121 outer wall of pressure ring is maximum.

The utility model people has found after study, sets different depth for multiple grooves, is conducive to sucker suction not With the surface on flatness surface or different radian curved surfaces, the application range of stationary fixture described in the utility model is improved.

Further, since the pressure ring in the utility model is made of flexible material, it is easy under the adsorptive pressure of vacuum chamber It is damaged, the depth of groove that therefore, in the utility model preferably will be close to 121 inner wall of pressure ring is set as minimum, can Biggish adsorptive pressure is born, the service life of pressure ring is extended.When most inner side groove is ineffective, adjacent groove continues It plays a role, and so on, the different groove of multiple depth of setting can form multiple airtight protection to vacuum chamber, increase dress The air-tightness set improves adsorption efficiency.

According to a kind of preferred embodiment of the utility model, as shown in figure 3, being also set up in the inside of the platen 122 There is first boss 127, to limit the position of connection component.

In further preferred embodiment, the connection component includes the first connector 123 and airtight briquetting 126, The airtight briquetting 126 is cooperatively connected in the lower part of the first connector 123, described to be connected as being threadedly coupled.

According to a kind of preferred embodiment of the utility model, it is provided in the middle part of the outer wall of first connector 123 The lower surface edge of second boss 128, the second boss 128 is bonded with the upper surface of first boss 127, so that the first connection Part 123 can not generate downward displacement under the blocking of first boss 127.

In further preferred embodiment, first connector 123 is located at the part position on 128 top of second boss In the outside of platen 122, it is connected through a screw thread with exhaust part 11；First connector 123 is located at 128 lower part of second boss Part is located in the inner cavity of platen 122, connect with airtight briquetting 126.

Wherein, in the state of being installed, the upper surface of the second boss 128 and the upper planes align of platen 122.

In embodiment still more preferably, it is provided centrally with through-hole in first connector 123, so that pressure The gas of 122 inner cavity of disk is discharged.

Preferably, first connector 123 is screwed pipe.

According to a kind of preferred embodiment of the utility model, the top end face of the airtight briquetting 126 and first boss 127 upper surface flushes,

The bottom end of the airtight briquetting 126 is provided with third boss 129, the upper surface of the third boss 129 and the The lower surface of one boss 127 is bonded, so that airtight briquetting 126 can not generate upward displacement under the blocking of first boss 127.

In further preferred embodiment, the center of the airtight briquetting 126 is provided with through-hole, it is described logical The through-hole of hole and 123 center of the first connector is coaxially disposed, and internal diameter is identical.

According to a kind of preferred embodiment of the utility model, in first connector 123, airtight briquetting 126 and It is provided with sealing element 124 between one boss 127, to prevent from having in the sucker course of work gas to flow into vacuum chamber.

In further preferred embodiment, the sealing element 124 be arranged in the lower surface of second boss 128 with it is airtight Between the top end face of briquetting 126 and the upper surface of the first boss 127 and lower surface of first boss 127 and third boss Between 129 upper surface.

In embodiment still more preferably, the sealing element 124 has elasticity, preferably sealing ring.

According to a kind of preferred embodiment of the utility model, as shown in Fig. 2, the limit assembly 2 includes limit plate 21 With mandril 22, through-hole is offered in the center of the limit plate 21, the mandril 22 is worn in through-holes.

In further preferred embodiment, the top of the mandril 22 is provided with screw thread, in limit plate 21 The through-hole of the heart is connected through a screw thread.

In embodiment still more preferably, the top of the mandril 22 is provided with handle, passes through rotating handle To adjust the length that mandril 22 passes through through-hole, and then the tightness degree of adjusting mandril and sensor contacts.

In the present invention, under the working condition of sensor, adjustment mandril 22 perpendicular to the contact surface with sensor, To provide maximum external pressing force.

According to a kind of preferred embodiment of the utility model, flexible material is coated outside the bottom end of the mandril 22 Material, to be in close contact with sensor.

In the present invention, using the fixed sensor of the physics fixed form of compression type, it can guarantee sensor and quilt Inspection part comes into full contact with, and improves signal-to-noise ratio, avoids lower infiltration, the corrosion of couplant.

In further preferred embodiment, the flexible material is preferably rubber ring.

According to the utility model another preferred embodiment, the bottom end of the mandril 22 is flexible head, so that mandril It can jam sensor.

According to a kind of preferred embodiment of the utility model, as shown in Fig. 2, described one end for adjusting component 3 is connected to The lower surface of limit plate 21, the other end for adjusting component 3 are connected to the top of exhaust part 11.

Wherein, the adjusting component 3 preferably has 2.

In further preferred embodiment, the adjusting component 3 includes mobile jib 31 and secondary bar 32, and the mobile jib 31 is logical It crosses and the second connector 311 of bottom end is set is connected with exhaust part 11, the secondary bar 32 passes through the third connection that top is arranged in Part 321 is connect with limit plate 21.

Wherein, second connector 311 is to be threadedly coupled with exhaust part 11, the third connector 321 and limit plate 21 are fixedly connected, and are preferably welded to connect.

In embodiment still more preferably, as shown in figure 4, second connector 311 and third connector 321 For spherical hinge structure, so that the shank portion for the mobile jib 31 connecting respectively with the two and the shank portion of secondary bar 32 can be carried out hemisphere tune Section.

Preferably, the shank portion of the shank portion and secondary bar 32 of the mobile jib 31 is by connecting rod 325 and 326 groups of sleeve At.

According to a kind of preferred embodiment of the utility model, the spherical hinge structure at the third connector 321 includes Bulb 322 and top 323, the bulb 322 are cooperatively connected with top 323.

In further preferred embodiment, the top 323 is connected to the top of connecting rod 325, so that top 323 It can be contacted under the action of connecting rod 325 with bulb.

In embodiment still more preferably, the top of the sleeve 326 is provided with cushion rubber 324, with top 323 mating reactions are to lock bulb 322.

According to a kind of preferred embodiment of the utility model, the top of the mobile jib 31 and the bottom end of the secondary bar 32 are equal It is provided with hollow structure, both described hollow structure side by side parallel setting.

In further preferred embodiment, locking machine is provided in the mobile jib 31 and the hollow structure of secondary bar 32 Structure, to fix the position of mobile jib 31 and secondary bar 32.

In embodiment still more preferably, as shown in figure 5, the retaining mechanism includes lock handle 33, bolt 34 and screwed pipe 35, wherein the screwed pipe 35 is threaded through in the hollow structure of 32 bottom end of 31 top of mobile jib and secondary bar, with connecting rod 325 abut,

The bolt 34 is equipped at the center of screwed pipe 35, and the lock handle 33 is connected to one end of bolt 34.

In the present invention, the bolt is preferably wedge bolt, and the screwed pipe is preferably wedge-shaped screwed pipe.

Wherein, as shown in Figure 4 and Figure 5, when adjusting loose lock handle 33, the mobile jib 31 and secondary bar 32 can be with bolts 34 It is rotated for axis, meanwhile, the bottom end of mobile jib 31 and the top of secondary bar 32 can carry out half in its corresponding connector respectively Adjusting within the scope of ball；When the position of sensor needs fixed after adjustment, lock handle 33 is tightened, so that wedge bolt squeezes Wedge-shaped screwed pipe, and then the connecting rod abutted with screwed pipe 325 and top 322 are moved upwards, top 323 is abutted with bulb 322, is matched Cushion rubber 324 is closed to lock bulb, so that the position for all components for adjusting component 3 be fixed, reaches the effect for stablizing maintenance.

In the present invention, by the adjusting to mobile jib and the position of secondary bar, sucker can be made in non-coplanar situation Under secure fixtures in detected pieces, improve the adaptability of fixture.

Sensor stationary fixture provided by the utility model, structure is simple, convenient disassembly, applied widely, maintenance efficiency It is high.

Sensor stationary fixture described in the utility model, can follow the steps below acoustical signal processing:

Step 1, detection piece and detection position are selected, in detection place sensors.

Wherein, sensor is attached to the detection surface of detection piece.

Step 2, the surface perpendicular contact for making mandril 22 Yu sensor, then fixes sensor according to the position of mandril 22 Fixture is positioned.

Wherein, the surface perpendicular contact for making mandril 22 Yu sensor first, makes mandril 22 and sensor Primary Location, in turn Entire fixture can be positioned according to the position of mandril, in order to reduce subsequent mandril and the pinpoint difficulty of sensor Degree.

Step 3, loose lock handle 33 is adjusted, by adjusting the position of mobile jib 31 and secondary bar 32, so that the central axes of sucker 12 It is vertical with the detection piece surface that it is adsorbed, after position determines, tighten lock handle 33.

In the present invention, the sucker 12 can be adsorbed on the different location of detected pieces according to practical fixed needs, Multiple suckers can be set in Different Plane, under the premise of ensuring that mandril is vertical with sensor contacts surface, so that each The central axes of sucker are each perpendicular to adsorption plane surface, to provide maximum adsorption capacity.

Step 4, in the external connection vacuum equipment of exhaust part 11 so that sucker 12 and detection piece surface formed it is certain true Sensor stationary fixture is integrally attached on detection piece by reciprocal of duty cycle；Then mandril is adjusted, its abundant jam sensor is made.

Wherein, the vacuum equipment is connected on exhaust part by tracheae, and then is extracted between detection piece and sucker 12 Air.

Step 5, the detection that acoustical signal is carried out to detection piece, passes through sensor monitoring data.

In the present invention, utilize be acoustic emission detection principle to detection piece detect, by detection material in because Crack extension, plastic deformation or phase transformation etc. cause strain energy quick release and the stress wave that generates, to the safety of detection piece into Row evaluation.

Wherein, within the period of detection, the adsorption effect of periodic detection stationary fixture is needed, to guarantee the fixation of sensor Degree.

Step 6, after detection, adjustment mandril 22 disengages it from sensor, then makes between sucker 12 and adsorption site Into air, and then remove stationary fixture.

Embodiment

Embodiment 1

Quanzhouwan Song Dynasty seagoing vessel (is found in by 1970s, is domestic so far to have excavated that the unearthed age is relatively early, body Amount is maximum, saves relatively complete ancient times shipwreck, in ancient ship because containing sulphur iron compound, salinity etc. can to hull caused by soften, Corrosion, dusting, distortion, fracture etc. destroy) acoustical signal non-destructive testing is carried out, sensor is fixed using stationary fixture described in Fig. 1, The following steps are included:

(1), attaches placement sensor (model SR- respectively in the transverse bulkhead plate of wooden ancient ship, keel and the positions such as squat 150)；

(2), make the surface perpendicular contact of mandril and sensor, Primary Location is carried out, then according to the position of mandril to biography Sensor stationary fixture is integrally positioned；

(3), loose lock handle is adjusted, by adjusting the position of mobile jib and secondary bar, so that the central axes of sucker are adsorbed with it Ancient ship surface is vertical, after position determines, tightens lock handle；

(4), in the external connection air compressor of check valve, fixture is integrally attached on ancient ship, mandril is then adjusted, Make its abundant jam sensor；

(5) acoustical signal processing is carried out to the selected position of ancient ship, passes through sensor monitoring data；

(6) after detecting, adjustment mandril disengages it from sensor, then makes to enter sky between sucker and adsorption site Gas removes stationary fixture.

The absorption situation in detection cycle inner sensor stationary fixture is counted, as the result is shown: utilizing described in the utility model Fixture fixes sensor, and sensor stabilization can be made to be fixed on the different roughness of ancient ship and the surface of crooked radian, average A length of 9.8 minutes when absorption, and ancient ship will not be damaged.

In the description of the present invention, it should be noted that term " on ", "lower", "inner", "outside", "front", "rear" etc. The orientation or positional relationship of instruction is to be merely for convenience of retouching based on the orientation or positional relationship under utility model works state State the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with Specific orientation construction and operation, therefore should not be understood as limiting the present invention.In addition, term " first ", " second ", " third ", " the 4th " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation " " connected " " connection " should broadly understood, for example, it may be being fixedly connected, may be a detachable connection, or the connection of one Commonly；It can be mechanical connection, be also possible to be electrically connected；It can be and be directly connected to, can also be indirectly connected with by intermediary, It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition The concrete meaning of language in the present invention.

In addition, as long as technical characteristic involved in the utility model different embodiments disclosed below is each other not Constituting conflict can be combined with each other.

It combines preferred embodiment above the utility model is illustrated, but these embodiments are only models Example property, only play the role of illustrative.On this basis, a variety of replacements and improvement can be carried out to the utility model, these It each falls in the protection scope of the utility model.

Claims (10)

1. a kind of sensor stationary fixture, which is characterized in that the fixture includes absorbent module (1) and limit assembly (2), the suction Attached component (1) contacts with detected member, is fixedly connected with sensor stationary fixture integrally with detected pieces；The limit assembly (2) For fixing sensor；It is provided between the absorbent module (1) and limit assembly (2) and adjusts component (3), to adjust sensing The position of device and stationary fixture.

2. fixture according to claim 1, which is characterized in that the absorbent module (1) includes sequentially connected exhaust part (11) it is connected through a screw thread with sucker (12), the exhaust part (11) and sucker (12),

The sucker (12) is attached to detected pieces surface, is integrally attached to be detected by sensor stationary fixture by way of absorption On part.

3. fixture according to claim 2, which is characterized in that the sucker (12) includes pressure ring (121) and platen (122), the center of the platen (122) is provided with through-hole,

The top of the through-hole is provided with connection component, so that the vacuum chamber and exhaust part (11) between sucker and detected pieces are even It is logical.

4. fixture according to claim 3, which is characterized in that there is multiple convex edges, institute in the bottom end of the platen (122) Multiple convex edges are stated as coaxial arrangement, wherein it is provided with groove between adjacent convex edge,

The top of the pressure ring (121) and multiple convex edges of platen (122) bottom end and multiple grooves are cooperatively connected.

5. fixture according to claim 3, which is characterized in that the bottom end of the pressure ring (121) is provided with multiple grooves, Can be fixed in out-of-flatness plane or curved surface,

The depth of the groove is different, and the depth of groove close to pressure ring (121) inner wall is minimum, close to the recessed of pressure ring (121) outer wall Groove depth is maximum, is from inside to outside in increasing trend.

6. fixture according to claim 3, which is characterized in that it is convex to be additionally provided with first in the inside of the platen (122) Platform (127), to limit the position of connection component,

The connection component includes the first connector (123) and airtight briquetting (126), and the airtight briquetting (126) is cooperatively connected It is described to be connected as being threadedly coupled in the lower part of the first connector (123).

7. fixture according to claim 6, which is characterized in that in first connector (123), airtight briquetting (126) Sealing element (124) are provided with, between first boss (127) to prevent from having in the sucker course of work gas to flow into vacuum Chamber.

8. fixture according to claim 1, which is characterized in that the limit assembly (2) includes limit plate (21) and mandril (22), through-hole being offered in the center of the limit plate (21), the mandril (22) wears in through-holes,

The top of the mandril (22) is provided with screw thread, is connected through a screw thread with the through-hole at limit plate (21) center.

9. fixture according to claim 1, which is characterized in that the adjusting component (3) includes mobile jib (31) and secondary bar (32), the mobile jib (31) is connected by the way that the second connector (311) of its bottom end is arranged in exhaust part (11), the secondary bar (32) it is connect by the way that the third connector (321) on its top is arranged in limit plate (21).

10. fixture according to claim 9, which is characterized in that the mobile jib (31) and secondary bar (32) pass through lock handle (33) it is fixedly connected.