CN114383647A

CN114383647A - Detector for measuring, controlling and maintaining precision instrument

Info

Publication number: CN114383647A
Application number: CN202111459023.5A
Authority: CN
Inventors: 莫荣; 赵振华; 张国灵
Original assignee: Shenzhen Morc Controls Co ltd
Current assignee: Shenzhen Morc Controls Co ltd
Priority date: 2021-12-01
Filing date: 2021-12-01
Publication date: 2022-04-22
Anticipated expiration: 2041-12-01
Also published as: CN114383647B

Abstract

The invention discloses a detector for measurement, control and maintenance of a precision instrument, which comprises a bottom plate, wherein vertical frames are fixed at the tops of two sides of the bottom plate, a lifting plate for placing an instrument body is arranged between the two vertical frames, clamping blocks are arranged at the tops of the lifting plates at the two sides of the instrument body in a sliding manner, the two clamping blocks can move oppositely or oppositely, a lighting assembly is arranged above the instrument body and comprises an observation tube, the observation tube is arranged at the tops of the two vertical frames through a mounting assembly, and a plurality of annularly-distributed light-emitting lamp tubes are rotatably arranged on the outer wall, close to the bottom, of the observation tube through a hinge base. The invention can adaptively adjust the size of the aperture illuminated by the luminous tube when clamping the instrument bodies with different sizes and specifications, so that the aperture can only illuminate the instrument body to focus light and increase the illumination brightness, thereby facilitating maintenance personnel to maintain the instrument body.

Description

Detector for measuring, controlling and maintaining precision instrument

Technical Field

The invention relates to the technical field of intelligent instrument measurement and control, in particular to a detector for measurement, control and maintenance of a precision instrument.

Background

The instruments and meters are instruments or equipment for detecting, measuring, observing and calculating various physical quantities, material compositions, physical parameters and the like, the structure of the instruments is complicated, the instruments belong to high and new technology products, the instruments are composed of a plurality of parts, and the instruments and meters have various sizes and volumes, and precise instruments and instrument parts are more and smaller, so the maintenance or repair of the precise instruments is relatively difficult.

Most of detection equipment for maintaining the existing precision instruments directly fix the instruments, so that maintenance personnel can conveniently detect and maintain the instruments, and the interior of the instruments needs to be illuminated when small parts in the interior are seen clearly, so that workers need to take a flashlight with one hand and maintain the instruments with the other hand, the maintenance speed is reduced, and the working efficiency is low.

Disclosure of Invention

The invention aims to provide a detector for measurement, control and maintenance of a precision instrument, which can adaptively adjust the size of an aperture illuminated by a light-emitting lamp tube when instrument bodies with different sizes and specifications are clamped, so that the aperture can only illuminate the instrument bodies to focus light and increase the illumination brightness, thereby facilitating maintenance personnel to maintain the instrument bodies and solving the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a precision instruments observes and controls detector for maintenance, includes the bottom plate, the top of bottom plate both sides all is fixed with the mullion, two install the lifter plate that is used for placing the instrument body between the mullion, the equal slidable mounting in lifter plate top that is located instrument body both sides has the clamp splice, and two relative or back-to-back motion can be done to the clamp splice, is located the top of instrument body is provided with lighting components.

The lighting assembly is including observing a section of thick bamboo, observe a section of thick bamboo and install the top at two stiles through the installation component, observe a section of thick bamboo and rotate through articulated seat and install a plurality of luminous tube that are the annular and distribute near the outer wall of bottom, be provided with the torsional spring between luminous tube and the articulated seat, the outer wall slidable mounting who observes a section of thick bamboo has a section of thick bamboo that slides, the inside pipe wall of a section of thick bamboo is opened and is established to the conical surface, and follows down up the diameter and reduce gradually, every luminous tube is close to the outer wall of a section of thick bamboo that slides and all is fixed with and supports the piece, just support the inner wall counterbalance of piece and a section of thick bamboo that slides.

The clamping blocks are arranged on the sliding barrel, and the sliding barrel can slide up and down through the driving of the driving assembly of the triggering assembly when the two clamping blocks are close to each other.

Preferably, a convex lens is fixed on the inner wall of the tube of the observation tube.

Preferably, the transmission assembly includes solid fixed ring, gu fixed ring fixes and is located the observation section of thick bamboo outer wall of slide cartridge top, gu fixed ring with be connected with the extension spring between the slide cartridge, gu the outer wall of fixed ring bottom installs the electro-magnet, the top of slide cartridge corresponds installs the permanent magnet, trigger the subassembly with the electro-magnet electricity is connected, works as when the electro-magnet circular telegram, the electro-magnet can repel each other with permanent magnet homopolar.

Preferably, trigger the subassembly including fixing the notch plate at lifter plate top, be fixed with the resistance lever between two outer walls of notch plate inner concave department, just the outer wall slidable mounting of resistance lever has the gleitbretter, be connected through the electric wire electricity between gleitbretter and the electro-magnet, the one end that the gleitbretter was kept away from to the resistance lever is connected with the power through the electric wire electricity, just the top at the bottom plate is fixed to the power, gleitbretter and one of them through connecting rod fixed connection between the clamp splice, work as the clamp splice can drive the gleitbretter through the connecting rod and slide when being close to instrument body direction removal, and resistance when making the electric current pass through the resistance lever reduces.

Preferably, two the equal slidable mounting of frame inner wall of lifter plate has the slider, the lifter plate is fixed at the opposite face of two sliders, one of them the bottom rotates in the frame of mullion and installs the threaded rod, the threaded rod run through the slider, and with the department threaded connection that runs through of slider, the one end that the mullion top was worn out to the threaded rod is fixed with the spanner.

Preferably, the installation component includes that two are fixed respectively at the mounting bracket of two muntin outer walls, two rotate through the round pin axle between the mounting bracket and install the square frame, gu fixed ring rotates through the round pin axle and installs the frame inner wall at the square frame, just gu fixed ring's rotation direction with the rotation direction of square frame is perpendicular.

Preferably, two the outer wall that the slider is close to the top all sets up porosely, and two downthehole equal slidable mounting have a slide bar, two the outer wall at two clamp splices is fixed respectively to the relative one end of slide bar, two the outer wall that the slider is close to the bottom all sets up porosely, and two downthehole common rotations install the dwang, and the dwang outer wall that is located two mullion both sides all sets up the screw thread, and two screw threads revolve to opposite, two the one end that the slide bar was carried on the back mutually all is fixed with the thread piece, two thread pieces are run through respectively at the both ends of dwang, and respectively with the department threaded connection that runs through of two thread pieces, the outer wall of dwang is fixed with the handle.

Preferably, the outer walls of the opposite surfaces of the two clamping blocks are provided with rubber cushions.

Preferably, the outer wall of the observation cylinder close to the top is fixed with a handle ring.

Compared with the prior art, the invention has the following beneficial effects:

first, the invention can self-adaptively adjust the size of the light ring illuminated by the light-emitting tube when clamping the instrument bodies with different sizes and specifications through the matching of the structures, so that the light ring can only illuminate the instrument body to focus light and increase the illumination brightness, thereby facilitating maintenance personnel to maintain the instrument body.

According to the invention, through the matching between the structures, when the local part of the instrument body needs to be observed, the lifting plate is moved downwards, the light-gathering area of the light-emitting lamp tube is correspondingly reduced, so that the local part of the instrument body can be illuminated, and further the local fine parts of the instrument body can be observed and maintained conveniently.

Through the matching of the structures and the square frame and the fixing ring, the observation cylinder can be adjusted at different angles, so that different positions of the instrument body can be illuminated and observed in an amplifying way, and the instrument body can be maintained conveniently.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic structural diagram in elevation and section view according to the present invention;

FIG. 3 is a schematic perspective view of FIG. 2;

FIG. 4 is an enlarged view of FIG. 3 at A;

FIG. 5 is a front bottom perspective structural view of the present invention;

fig. 6 is a front top perspective view of the present invention.

In the figure: 1. a base plate; 2. a mullion; 3. a lifting plate; 4. a mounting frame; 5. a square frame; 6. an observation cylinder; 7. a sliding cylinder; 8. a slider; 9. a fixing ring; 10. a handle ring; 11. an electromagnet; 12. a permanent magnet; 13. a convex lens; 14. a light emitting lamp tube; 15. a resisting block; 16. a slide bar; 17. a clamping block; 18. rotating the rod; 19. a thread block; 20. a handle; 21. a tension spring; 22. a threaded rod; 23. a concave plate; 24. a resistance rod; 25. sliding blades; 26. a connecting rod; 27. a power source; 28. the instrument body.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 6, the present invention provides a technical solution: the utility model provides a precision instruments observes and controls and maintains and uses detector, includes bottom plate 1, and the top of 1 both sides of bottom plate all is fixed with mullion 2, installs the lifter plate 3 that is used for placing instrument body 28 between two mullions 2, and the equal slidable mounting in lifter plate 3 top that is located instrument body 28 both sides has clamp splice 17, and relative or back-to-back motion can be done to two clamp splices 17, and the top that is located instrument body 28 is provided with lighting components.

The lighting assembly is including observing a section of thick bamboo 6, observe a section of thick bamboo 6 and install the top at two stile 2 through the installation component, it installs a plurality of luminous tube 14 that are the annular and distribute through articulated seat rotation to observe a section of thick bamboo 6 outer wall near the bottom, be provided with the torsional spring between luminous tube 14 and the articulated seat, the outer wall slidable mounting who observes a section of thick bamboo 6 has a section of thick bamboo 7 that slides, the inside pipe wall of a section of thick bamboo 7 is opened and is established to the conical surface, and from up the diameter reduces gradually down, the outer wall that every luminous tube 14 is close to a section of thick bamboo 7 all is fixed with and supports piece 15, and support piece 15 and a section of thick bamboo 7's inner wall and offset.

The device also comprises a transmission assembly for driving the sliding cylinder 7 to slide up and down, and when the two clamping blocks 17 approach each other, the transmission assembly is driven by the trigger assembly to enable the sliding cylinder 7 to slide down.

The instrument body 28 to be detected is placed on the top of the lifting plate 3 between the two clamping blocks 17, then the two clamping blocks 17 are driven to move relatively through an external structure, the instrument body 28 is clamped and fixed, meanwhile, when the two clamping blocks 17 approach each other, the transmission assembly is driven through the trigger mechanism to enable the sliding cylinder 7 to slide downwards along the outer wall of the observation cylinder 6, because the inner wall of the sliding cylinder 7 is provided with a conical surface, when the sliding cylinder 7 moves downwards, the abutting block 15 moves against the abutting block 15, meanwhile, the abutting block 15 rotates against the light-emitting lamp tube 14 and rotates towards the axis of the observation cylinder 6, so that light emitted by the light-emitting lamp tube 14 is gathered towards the middle, then when the clamping blocks 17 stop moving, the sliding cylinder 7 also stops moving downwards, therefore, when the instrument bodies 28 with different sizes and specifications are clamped, the size of an aperture irradiated by the light-emitting lamp tube 14 can be adjusted in a self-adaptive mode, so that the aperture can only irradiate the instrument body 28, the light is condensed, and meanwhile, the illumination brightness is increased, so that maintenance personnel can conveniently maintain the instrument body 28.

Further, a convex lens 13 is fixed to the inner wall of the tube of the observation tube 6.

If the instrument is a precise instrument, when the internal parts are small, a maintenance worker can observe the instrument body 28 through the convex lens 13 in the observation cylinder 6 and magnify the instrument body 28, so that the problem is conveniently found out or maintained.

Further, transmission assembly includes solid fixed ring 9, and solid fixed ring 9 is fixed and is being located the 6 outer walls of an observation section of thick bamboo in a slip section of thick bamboo 7 top, is connected with extension spring 21 between solid fixed ring 9 and the slip section of thick bamboo 7, and electro-magnet 11 is installed to the outer wall of solid fixed ring 9 bottom, and the top of a slip section of thick bamboo 7 corresponds installs permanent magnet 12, and trigger assembly is connected with electro-magnet 11 electricity, and when electro-magnet 11 circular telegram, electro-magnet 11 can be with permanent magnet 12 like nature repulsion mutually.

When the trigger assembly is electrified with the electromagnet 11, the electromagnet 11 generates magnetic force and repels the same poles of the permanent magnet 12, and at the same time, the sliding cylinder 7 slides downwards under the action of the repulsion force, and the tension spring 21 is stretched.

Further, trigger the subassembly including fixing the notch plate 23 at lifter plate 3 top, be fixed with resistance bar 24 between two outer walls of notch plate 23 indent department, and resistance bar 24's outer wall slidable mounting has gleitbretter 25, be connected through the electric wire electricity between gleitbretter 25 and the electro-magnet 11, resistance bar 24 keeps away from the one end of gleitbretter 25 and is connected with power 27 through the electric wire electricity, and power 27 fixes the top at bottom plate 1, through connecting rod 26 fixed connection between gleitbretter 25 and one of them clamp splice 17, can drive gleitbretter 25 through connecting rod 26 and slide when clamp splice 17 removes to being close to instrument body 28 direction, resistance when making the electric current pass through resistance bar 24 reduces.

The current is supplied by the power supply 27, passes through the resistance rod 24 via the electric wire, then through the slide 25, and then is electrically connected with the electromagnet 11 via the electric wire, so that the electromagnet 11 is electrified to generate magnetism, then, when the clamp 17 approaches the meter body 28, the connecting rod 26 drives the sliding piece 25 to slide, at this time, the distance between the sliding piece 25 and the wire connection of the resistance rod 24 is reduced, so that the resistance of the current passing through the resistance rod 24 is reduced, and the current received by the electromagnet 11 is increased, the magnetic property is enhanced, then, the repulsive force received by the permanent magnet 12 becomes large, so that the sliding cylinder 7 moves downward along with the movement of the clamping block 17, and meanwhile, when the movement of the clamping block 17 stops, the sliding cylinder 7 also moves along with the stop, therefore, when the instrument bodies 28 with different sizes and specifications are clamped, the size of the light-emitting aperture irradiated by the light-emitting lamp tube 14 can be adjusted in a self-adaptive mode.

Further, the equal slidable mounting of frame inner wall of two lifter plates 3 has slider 8, and lifter plate 3 fixes the opposite face at two sliders 8, and bottom rotation installs threaded rod 22 in the frame of one of them mullion 2, and threaded rod 22 runs through slider 8, and with slider 8 run through department threaded connection, threaded rod 22 wears out the one end at mullion 2 tops and is fixed with the spanner.

When the local part of the instrument body 28 needs to be observed, at the moment, the threaded rod 22 is rotated by rotating the wrench, due to the vertical limiting effect of the vertical frame 2 on the sliding block 8, the sliding block 8 can move downwards along with the rotation of the threaded rod 22, and simultaneously the lifting plate 3 is driven to move downwards, at the moment, because the light-emitting lamp tube 14 is in a light-gathering state, the light emitted by the light-emitting lamp tube 14 is in an inverted cone shape, when the lifting plate 3 moves downwards, the light-gathering area of the light-emitting lamp tube 14 can be correspondingly reduced, so that the local part of the instrument body 28 can be illuminated, further, the local fine parts of the instrument body 28 can be conveniently observed and maintained, meanwhile, the instrument body 28 is further away from the convex lens 13, at the moment, when the instrument body 28 is observed through the convex lens 13, the instrument body 28 can be further enlarged, so that when the light-emitting lamp tube 14 illuminates the local part, this illuminated area is also enlarged again by the convex lens 13, further facilitating observation and maintenance of delicate components of the meter body 28.

Moreover, the light emitted by the light-emitting tube 14 is not completely parallel, so that when the light-emitting tube 14 rotates to condense light, the light at the position of the condensing point is brighter and the brightness gradually decreases from the condensing point to the periphery, so that the condensing effect is achieved, and meanwhile, the fault of the brightness at the condensing point and the surrounding environment can be prevented.

Further, the installation component includes that two are fixed respectively at the mounting bracket 4 of 2 outer walls of two munitions, rotates through the round pin axle between two mounting brackets 4 and installs square frame 5, and solid fixed ring 9 rotates through the round pin axle and installs the frame inner wall at square frame 5, and solid fixed ring 9's rotation direction is perpendicular with square frame 5's rotation direction.

Through square frame 5 and solid fixed ring 9, can make observation section of thick bamboo 6 can adjust by different angles to can illuminate and enlarge the observation to the different positions of instrument body 28, and then conveniently maintain it.

Further, the outer wall that two sliders 8 are close to the top all sets up porosely, and two downthehole equal slidable mounting has slide bar 16, the outer wall at two clamp splice 17 is fixed respectively to the one end that two slide bars 16 are relative, the outer wall that two sliders 8 are close to the bottom all sets up porosely, and two downthehole common rotations install dwang 18, the dwang 18 outer wall that is located two mullion 2 both sides all sets up the screw thread, and two screw threads revolve to opposite, the one end that two slide bars 16 carried on the back mutually all is fixed with thread block 19, two thread blocks 19 are run through respectively at the both ends of dwang 18, and respectively with the department threaded connection that runs through of two thread blocks 19, the outer wall of dwang 18 is fixed with handle 20.

Through rotating handle 20, can drive dwang 18 and rotate, because slide bar 16's limiting displacement, so along with the rotation of dwang 18 can with two screw thread piece 19 screw thread transmission, and because the both sides screw thread of dwang 18 is turned to opposite, so back of the body or relative motion can be done to two screw thread pieces 19, when two screw thread pieces 19 are relative motion, can drive two slide bars 16 and two clamp splice 17 and do relative sliding, thereby it is fixed to carry out the centre gripping to instrument body 28, on the contrary, when reverse rotation handle 20, can make two clamp splice 17 do back of the body motion, cancel the centre gripping to instrument body 28, conveniently take off instrument body 28.

Further, the outer walls of the opposite surfaces of the two clamping blocks 17 are provided with rubber cushions, and the clamping blocks 17 can be prevented from scratching the contact surface of the instrument body 28 through installation of the rubber cushions.

Further, a handle ring 10 is fixed to the outer wall of the observation cylinder 6 near the top.

The angle of the observation tube 6 can be conveniently adjusted by rotating the ring 10, so that the instrument body 28 can be conveniently observed.

The working principle is as follows: when this precision instruments observes and controls and maintains and uses detector use, place the lifter plate 3 top between two clamp splice 17 with the instrument body 28 that detects, then do relative motion through two clamp splice 17, carry out the centre gripping with instrument body 28 and fix, when two clamp splice 17 are close to each other simultaneously.

The current is supplied by the power supply 27, passes through the resistance rod 24 via the electric wire, then through the slide 25, and then is electrically connected with the electromagnet 11 via the electric wire, so that the electromagnet 11 is electrified to generate magnetism, then, when one of the clamping blocks 17 approaches to the direction approaching to the meter body 28, the connecting rod 26 drives the sliding piece 25 to slide, at this time, the distance between the sliding piece 25 and the wire connection of the resistance rod 24 is reduced, so that the resistance of the current passing through the resistance rod 24 is reduced, and the current received by the electromagnet 11 is increased, the magnetic property is enhanced, then, the repulsive force received by the permanent magnet 12 becomes large, so that the sliding cylinder 7 moves downward along with the movement of the clamping block 17, and meanwhile, when the movement of the clamping block 17 stops, the sliding cylinder 7 also moves along with the stop, therefore, when the instrument bodies 28 with different sizes and specifications are clamped, the size of the light-emitting aperture irradiated by the light-emitting lamp tube 14 can be adjusted in a self-adaptive mode.

When the local of instrument body 28 is observed to needs, lifter plate 3 moves down, this moment, because luminous tube 14 is in the state of spotlight, so the light that luminous tube 14 shines is a back taper, so when lifter plate 3 moves down, luminous tube 14's spotlight area can correspondingly diminish, thereby can illuminate instrument body 28's local place, and then conveniently observe and maintain instrument body 28 local meticulous spare part, simultaneously, instrument body 28 still can keep away from convex lens 13, at this moment, when observing instrument body 28 through convex lens 13, can further enlarge instrument body 28, thereby can be when luminous tube 14 illuminates local, still enlarge this illumination region once more through convex lens 13, further make things convenient for the meticulous part of instrument body 28 to observe and maintain.

The ring 10 can then be rotated to adjust the angle of the observation tube 6, so that different positions of the instrument body 28 can be illuminated and observed in an enlarged manner.

After observation and maintenance, the two clamping blocks 17 move back and forth, the instrument body 28 is not clamped, and then the instrument body 28 is taken down.

The standard parts used in the present embodiment may be purchased directly from the market, and the non-standard structural components described in the specification and drawings may be obtained by processing without any doubt according to the common general knowledge in the art, and the connection manner of the respective parts is by the conventional means developed in the art, and the machines, parts and equipment are of the conventional type in the art, so that the detailed description thereof is omitted.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a precision instruments observes and controls and maintains and uses detector, includes bottom plate (1), its characterized in that: the top parts of two sides of the bottom plate (1) are respectively fixed with a vertical frame (2), a lifting plate (3) used for placing an instrument body (28) is arranged between the two vertical frames (2), clamping blocks (17) are arranged on the top parts of the lifting plates (3) on the two sides of the instrument body (28) in a sliding mode, the two clamping blocks (17) can move oppositely or oppositely, and a lighting assembly is arranged above the instrument body (28);

the illumination assembly comprises an observation barrel (6), the observation barrel (6) is installed at the tops of the two vertical frames (2) through an installation assembly, the outer wall, close to the bottom, of the observation barrel (6) is rotatably provided with a plurality of light-emitting lamp tubes (14) distributed in an annular mode through a hinge seat, a torsion spring is arranged between each light-emitting lamp tube (14) and the hinge seat, the outer wall of the observation barrel (6) is slidably provided with a sliding barrel (7), the inner wall of each sliding barrel (7) is provided with a conical surface, the diameter of each sliding barrel is gradually reduced from bottom to top, the outer wall, close to the sliding barrel (7), of each light-emitting lamp tube (14) is fixedly provided with a supporting block (15), and the supporting blocks (15) are abutted against the inner wall of the sliding barrel (7);

the clamping device also comprises a transmission assembly for driving the sliding cylinder (7) to slide up and down, and when the two clamping blocks (17) are close to each other, the transmission assembly is driven by the trigger assembly to enable the sliding cylinder (7) to slide down.

2. The apparatus according to claim 1, wherein the apparatus further comprises: and a convex lens (13) is fixed on the inner wall of the tube of the observation tube (6).

3. The apparatus according to claim 2, wherein the apparatus further comprises: the transmission assembly comprises a fixing ring (9), the fixing ring (9) is fixed on the outer wall of an observation cylinder (6) above a sliding cylinder (7), the fixing ring (9) is connected with a tension spring (21) between the sliding cylinder (7), the outer wall of the bottom of the fixing ring (9) is provided with an electromagnet (11), the top of the sliding cylinder (7) is correspondingly provided with a permanent magnet (12), the trigger assembly is electrically connected with the electromagnet (11), and when the electromagnet (11) is electrified, the electromagnet (11) can repel the permanent magnet (12) in the same polarity.

4. A gauge for measurement, control and maintenance of a precision instrument according to claim 3, wherein: trigger assembly is including fixing gib block (23) at lifter plate (3) top, be fixed with resistance bar (24) between two outer walls of concave department in gib block (23), just the outer wall slidable mounting of resistance bar (24) has gleitbretter (25), be connected through the electric wire electricity between gleitbretter (25) and electro-magnet (11), resistance bar (24) are kept away from the one end of gleitbretter (25) and are connected through the electric wire electricity and have power (27), just power (27) are fixed at the top of bottom plate (1), gleitbretter (25) and one of them through connecting rod (26) fixed connection between clamp splice (17), work as clamp splice (17) can drive gleitbretter (25) through connecting rod (26) and slide when being close to instrument body (28) direction removal, and resistance when making electric current pass through resistance bar (24) reduces.

5. A gauge for precision instrumentation, measurement and maintenance according to any of claims 2-4, characterized in that: two the equal slidable mounting in frame inner wall of lifter plate (3) has slider (8), the opposite face at two sliders (8), one of them is fixed in lifter plate (3) the bottom rotates in the frame of mullion (2) and installs threaded rod (22), threaded rod (22) run through slider (8), and with the department threaded connection that runs through of slider (8), the one end at mullion (2) top is worn out in threaded rod (22) is fixed with the spanner.

6. A gauge for measurement, control and maintenance of a precision instrument according to claim 5, wherein: the installation component comprises two installation frames (4) which are respectively fixed on the outer walls of the two vertical frames (2), the installation frame (5) is installed between the installation frames (4) in a rotating mode through a pin shaft, the fixing ring (9) is installed on the inner wall of the frame (5) in a rotating mode through the pin shaft, and the rotating direction of the fixing ring (9) is perpendicular to the rotating direction of the frame (5).

7. A gauge for measurement, control and maintenance of a precision instrument according to claim 5, wherein: two slider (8) are close to the outer wall at top and all offer porosely, and two downthehole equal slidable mounting have slide bar (16), two the outer wall at two clamp splice (17) is fixed respectively to the one end that slide bar (16) are relative, two slide bar (8) are close to the outer wall of bottom and all offer porosely, and two downthehole common rotations install dwang (18), and dwang (18) outer wall that is located two mullion (2) both sides all sets up screw thread, and two screw thread revolve to opposite, two slide bar (16) one end of carrying on the back mutually all is fixed with thread block (19), two thread block (19) are run through respectively at the both ends of dwang (18), and respectively with the department threaded connection that runs through of two thread block (19), the outer wall of dwang (18) is fixed with handle (20).

8. A gauge for precision instrumentation, measurement and maintenance, according to any of claims 1-4, characterized by: and rubber cushions are arranged on the outer walls of the opposite surfaces of the two clamping blocks (17).

9. The apparatus according to claim 6, wherein the apparatus further comprises: and a handle ring (10) is fixed on the outer wall of the observation cylinder (6) close to the top.