CN110666744B

CN110666744B - Maintenance device for pressure instrument shell convenient to maintain

Info

Publication number: CN110666744B
Application number: CN201910976825.XA
Authority: CN
Inventors: 陈军; 陈如根; 孟祥松
Original assignee: Tianchang Xusheng Thermal Instrument Accessories Co ltd
Current assignee: Tianchang Xusheng Thermal Instrument Accessories Co ltd
Priority date: 2019-10-15
Filing date: 2019-10-15
Publication date: 2021-05-07
Anticipated expiration: 2039-10-15
Also published as: CN110666744A

Abstract

The invention discloses a maintenance device for a pressure instrument shell, which is convenient to maintain and relates to the technical field of instrument maintenance devices, and mainly comprises a box body and a shell dismounting device, wherein the shell dismounting device comprises a first motor fixedly connected to the side wall of the box body, an output shaft of the first motor penetrates through the side wall of the box body and is connected with a fixed plate, a movable plate is connected in a groove formed in the top end of the fixed plate in a sliding manner, a piston rod of an air cylinder arranged in the groove is connected with the movable plate, the fixed plate and the movable plate are respectively welded with a fixed clamping plate and a movable clamping plate, an air cylinder is started, the fixed clamping plate and the movable clamping plate clamp the upper cover of the instrument shell to be maintained, then the first motor is started, the output shaft of the motor drives the fixed clamping plate and the movable clamping plate to, but also effectively avoids personal injury possibly brought by direct disassembly of hands.

Description

Maintenance device for pressure instrument shell convenient to maintain

Technical Field

The invention relates to the technical field of instrument maintenance devices, in particular to a maintenance device for a pressure instrument shell, which is convenient to maintain.

Background

Pressure instrument passes through the elastic deformation of the sensing element in the table, and the shifter of core is with pressure deformation conduction to pointer in the table again, causes the pointer to rotate and shows pressure, has widely been used for each trade such as chemical industry, medical treatment, production manufacturing now, and pressure instrument in the use, can frequent emergence damage, in order to ensure the accuracy of testing parameter, need regularly overhaul pressure instrument, consequently more and more urgent to the demand of the device of the pressure instrument maintenance of being convenient for.

For solving above-mentioned problem, chinese patent that patent number is CN 208246675U discloses is a chemical industry instrument maintenance device, chinese patent passes through the cooperation between handle, connecting rod and the loop bar, realizes the dismantlement work between handle, connecting rod and the loop bar respectively, has prevented to influence the work of receiving and releasing to the device because of the bottle opener overlength, through the cooperation between snap ring, fastening screw, telescopic link and the spout, be convenient for realize the separation work between plum blossom plays head extension piece and the plum blossom plays head, be convenient for insert the work of playing to less silk hole on the instrument, prevented to play the work of silk because of the plum blossom is played the too big going on of work of being convenient for of playing. As is known, thereby in order to reduce vibrations to the frequent shake of pointer and reduce the wearing and tearing between the gear and obtain the accuracy of instructing, shock-resistant oil filling manometer is widely used, and the oil filling manometer requires strictly to sealed, so just can not adopt the screw fixation between manometer table body and the upper cover, but uses the draw-in groove fixed, consequently Chinese patent is not suitable for dismantling this kind of screwless fixed pressure instrument casing, need rotate an angle to draw-in groove department hard when dismantling this kind of pressure instrument casing, if use the staff direct rotation, on the one hand requires highly to operating personnel's wrist strength, on the other hand also can cause unnecessary injury because of exerting oneself too greatly to the staff.

Disclosure of Invention

Aiming at the defects of the prior art, the invention discloses a maintenance device for a pressure instrument shell, which is convenient to maintain, can solve the problem of difficulty in disassembling the oil-filled pressure instrument shell, and can also perform initial judgment on a fault point of a pressure instrument to be maintained.

In order to achieve the purpose, the invention is realized by the following technical scheme:

the maintenance device comprises a box body and an upper cover, wherein a handle convenient to carry is arranged outside the upper cover, the maintenance device further comprises a meter detection device, a shell detaching device and a multifunctional screwdriver bit storage box, the meter detection device comprises a pressure source which is fixedly connected to the inner bottom wall of the box body, a first pressure pipeline and a second pressure pipeline which are mutually communicated are arranged at the output end of the pressure source, the first pressure pipeline is connected with a first pressure hose, the second pressure pipe is connected with a second pressure hose, the first pressure hose is connected with a standard pressure meter, the shell detaching device comprises a first motor, the first motor is fixedly connected to the inner side wall of the box body, an output shaft of the first motor penetrates through the side wall of the box body and is connected with a fixing plate, and a groove is formed in the top end of the fixing plate, a movable plate is connected in the groove in a sliding manner, an air cylinder is further arranged in the groove, a piston rod of the air cylinder is connected with the movable plate, a fixed clamping plate is welded at one end of the fixed plate, which is back to the groove, a movable clamping plate is welded at one end of the movable plate, which is back to the fixed plate, a multifunctional screwdriver bit storage box is fixedly connected with the inner wall of one side of the box body, a screwdriver clamping groove and a plurality of screwdriver bit placing cavities are arranged in the multifunctional screwdriver bit storage box, an open end is formed at the upper part of each screwdriver bit placing cavity, a hollow movable box is arranged in the cutter bit placing cavity, the movable box is connected with the inner wall of the corresponding screwdriver bit placing cavity in a sliding manner, a movable rod is fixedly connected to one end of the movable box, which faces the bottom wall of the corresponding screwdriver bit placing cavity, the utility model discloses a portable tool bit, including carriage release lever, tool bit placing cavity lateral wall, carriage release lever week side symmetry is equipped with two stoppers, the tool bit placing cavity lateral wall symmetry be equipped with two with stopper matched with limiting plate, the limiting plate both sides are equipped with spacing post.

Preferably, the pressure source is a booster pump, and a second motor for providing power is connected to an input shaft of the booster pump.

Preferably, the output shaft of the first motor is connected with a bearing, the bearing is fixedly connected to the side wall of the box body, and the bearing is detachably and rotatably connected with a connecting rod of the fixing plate, wherein the connecting rod faces the side wall of the box body.

Preferably, the fixed clamping plate is an arc-shaped plate and is a minor arc structure, one end of the fixed plate is an arc-shaped structure matched with the fixed clamping plate, the other end of the fixed plate is a rectangular structure, the groove is formed in the end portion of the rectangular structure of the fixed plate, the movable clamping plate is an arc-shaped plate and is a minor arc structure, one end of the movable plate is an arc-shaped structure matched with the movable clamping plate, the other end of the movable plate is a rectangular structure, and the end portion of the rectangular structure of the movable plate is inserted into the groove and is in sliding connection with the fixed plate.

Preferably, the inner walls of the fixed clamping plate and the movable clamping plate are provided with a plurality of clamping teeth.

Preferably, the upper end of the movable box is provided with an external thread, and the movable box is in threaded connection with a box cover with an internal thread.

Preferably, the box cover is provided with an indication arrow, and the top solid part of the multifunctional screwdriver bit storage box is provided with an indication block matched with the indication arrow.

The invention discloses a maintenance device for a pressure instrument shell, which is convenient to maintain and has the following advantages:

1. the instrument detection device provided by the invention can be used for initially judging the basic fault of the instrument before the pressure instrument is disassembled, the instrument to be maintained is connected to the pressure source, and the problem of poor sealing of the pressure instrument to be maintained, the amplification ratio of the pressure instrument can meet the amplification ratio and the like can be judged by comparing the test result of the standard pressure instrument with the test result of the pressure instrument to be maintained under the same pressure.

2. The upper cover part of the pressure instrument to be maintained is inserted into a clamping cavity formed by the fixed clamping plate and the movable clamping plate, the air cylinder is started to clamp the upper cover of the pressure instrument, then one hand tightly grips a joint of the pressure instrument to be maintained, the other hand starts the first motor, and the output shaft of the first motor drives the fixed clamping plate and the movable clamping plate to rotate, so that the instrument shell can be easily disassembled, and personal injury possibly caused by manual direct disassembly is effectively avoided.

3. The multifunctional screwdriver bit storage box is arranged, so that screws with different rules can be disassembled, the movable box arranged in the multifunctional screwdriver bit storage box can ensure that operators can easily and accurately select the required screwdriver bits, the users can take the screwdriver bits at will while better operation comfort is brought to the users, the problem that the traditional screwdriver bits are piled up in disorder is solved, and the whole maintenance device is tidier due to the regularly arranged movable boxes.

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 of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.

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

FIG. 2 is a schematic view of the operational state of the present invention;

FIG. 3 is a detailed view of the housing removal device of the present invention;

FIG. 4 is a left side view of the housing removal device of the present invention;

FIG. 5 is a plan view of the multifunctional screwdriver bit storage case according to the present invention;

FIG. 6 is a detailed view of the multifunctional screwdriver bit storage case of the present invention;

fig. 7 is a C-C sectional view of the moving box of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are a part of the embodiments of the present invention, but 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.

Examples

As shown in fig. 1-7, a maintenance device for a pressure instrument shell convenient for maintenance, includes a box body 1 and an upper cover 2, the outside of the upper cover 2 is provided with a handle 21 convenient for carrying, and is characterized in that the maintenance device further includes an instrument detection device 3, a shell detaching device 4 and a multifunctional screwdriver bit storage box 5, the instrument detection device 3 includes a pressure source 31, the pressure source 31 is fixedly connected to the inner bottom wall of the box body 1, the output end of the pressure source 31 is provided with a first pressure pipeline 32 and a second pressure pipeline 33 which are communicated with each other, the first pressure pipeline 32 is connected with a first pressure hose 34, the second pressure pipe 33 is connected with a second pressure hose 35, the first pressure hose 34 is connected with a standard pressure instrument 36, the shell detaching device 4 includes a first motor 41, the first motor 41 is fixedly connected to the inner side wall of the box body 1, the output shaft of the first motor 41 penetrates through the side wall of the box body 1 and is connected with a fixed plate 42, the top end of the fixed plate 42 is provided with a groove 421, a movable plate 43 is slidably connected in the groove 421, an air cylinder 44 is further arranged in the groove, a piston rod of the air cylinder 44 is connected with the movable plate 43, one end of the fixed plate 42, which is back to the groove 421, is welded with a fixed clamping plate 45, one end of the movable plate 43, which is back to the fixed plate 42, is welded with a movable clamping plate 46, the multifunctional screwdriver bit storage box 5 is fixedly connected with the inner wall of one side of the box body 1, a screwdriver clamping slot 51 and a plurality of bit placing cavities 52 are arranged in the multifunctional screwdriver bit storage box 5, an open end is formed at the upper part of the bit placing cavity 52, a hollow movable box 53 is arranged in the open end, the movable box 53 is slidably connected with the inner wall of, still be equipped with spring 55 in the chamber 52 is placed to the tool bit, spring 55 one end with carriage release lever 54 fixed connection, the other end with the tool bit is placed chamber 52 bottom wall fixed connection, the week side symmetry of carriage release lever 54 is equipped with two stopper 56, the tool bit is placed chamber 52 lateral wall symmetry be equipped with two with stopper 56 matched with limiting plate 57, limiting plate 57 both sides are equipped with spacing post 58.

In this embodiment, the pressure source 31 is a booster pump, an input shaft of the booster pump is connected with a second motor for providing power, normally, the first pressure hose 34 and the second pressure hose 35 are placed inside the box, and when it is needed, they are taken out and connected with the standard pressure instrument 36 and the pressure instrument to be maintained, respectively, the instrument detection device 3 provided in the present invention can first determine the basic failure of the instrument before disassembling the pressure instrument, and connect the instrument to be maintained into the pressure source 31, and by comparing the test result of the standard pressure instrument 36 under the same pressure, determine whether the pressure instrument to be maintained has the problem of poor sealing, whether the amplification ratio of the pressure instrument can satisfy the amplification ratio, etc., for example, when the pointer of the pressure instrument to be maintained is going slowly in the front half and fast in the back half, the amplification ratio is insufficient, during maintenance and adjustment, the included angle between the connecting rod and the sector gear is reduced, so that the pointer moves fast in the front half part and slow in the rear half part, and the amplification ratio of the pressure gauge meets the use requirement.

In this embodiment, a bearing 47 is welded to the output shaft of the first motor 41, the bearing 47 is fixedly connected to the side wall of the box 1, and the bearing 47 is detachably and rotatably connected to a connecting rod 48 of the fixing plate 42, which is disposed towards the side wall of the box 1.

As shown in fig. 4, the fixed clamping plate 45 is an arc-shaped plate and has a minor arc structure, one end of the fixed plate 42 is an arc-shaped structure matched with the fixed clamping plate 45, the other end of the fixed plate 42 is a rectangular structure, the end of the rectangular structure of the fixed plate 42 is provided with the groove 421, the movable clamping plate 46 is an arc-shaped plate and has a minor arc structure, one end of the movable plate 43 is an arc-shaped structure matched with the movable clamping plate 46, the other end of the movable plate 43 is a rectangular structure, and the end of the rectangular structure of the movable plate 43 is inserted into the groove 421 and is slidably connected with the fixed.

After the pressure instrument to be maintained is initially judged, the instrument shell is disassembled, the upper cover part of the pressure instrument to be maintained is inserted into a circular clamping cavity formed by the fixed clamping plate 45 and the movable clamping plate 46, the air cylinder is started to clamp the upper cover of the pressure instrument, then one hand tightly holds a joint of the pressure instrument to be maintained, the other hand starts the first motor 41, and an output shaft of the first motor 41 drives the fixed clamping plate 45 and the movable clamping plate 46 to rotate, so that the instrument shell can be easily disassembled, and personal injury possibly caused by manual direct disassembly is effectively avoided. It can be understood that the radius of curvature of the arc-shaped fixed clamping plate 45 and the arc-shaped movable clamping plate 46 is the same as the inner diameter of the upper cover of the instrument housing to be repaired.

As shown in fig. 3, in order to enable the fixed clamping plate 45 and the movable clamping plate 46 to give a sufficient clamping force to the instrument housing upper cover to be repaired, the inner walls of the fixed clamping plate 45 and the movable clamping plate 46 are provided with a plurality of clamping teeth 49.

In this embodiment, the upper end of the movable box 53 is provided with an external thread, the movable box 53 is connected with a box cover 59 with an internal thread in a threaded manner, an indication arrow 591 is arranged on the box cover 59, and an indication block 592 matched with the indication arrow is arranged on the solid top part of the multifunctional screwdriver bit storage box 5. In practice, specification nameplates of the screwdriver bits in the corresponding movable box 53 are arranged on the box cover 59, normally, the limiting plate 57 on the moving rod 54 is fixed through the limiting block 56 in the screwdriver bit placing cavity 52 and the limiting column 58 thereon, so that the movable box 53 is not popped up, the indicating arrow 591 points to the indicating block 592 arranged transversely, when a screwdriver bit of a certain specification needs to be selected, the box cover 59 is held by hand to press downwards, then the box cover 59 is rotated anticlockwise, when the indicating arrow 591 points to the vertically arranged indicating block 592, the downward pressing force is released under the condition that the position of the indicating arrow 591 is kept still, the movable box 53 is popped up, at this time, the box cover 59 can be opened to take out the required screwdriver bit, after the screwdriver bit is used, the required screwdriver bit is placed back in the movable box 53 and screwed into the box cover 59, the box cover 59 is held by hand again and pressed downwards, then, when the indication arrow 591 points to the laterally arranged indication block 592, the downward pressing force is released while keeping the indication arrow in place, and the movable box 53 is fixed by the limit plate 57 on the movable rod 54 and the limit block 56 and the limit post 58 on the same in the bit placing cavity 52 and is not ejected.

It will be understood that the movable box 53 is preferably provided in a cylindrical shape, and the tool bit placing cavity 52 may be provided in a circular or square configuration but is preferably provided in a circular configuration, and particularly, the lower portion of the tool bit placing cavity 52 is provided to fix the movable rod, and thus it is preferable that the lower portion of the tool bit placing cavity 52 is provided in a circular configuration.

The multi-functional screwdriver bit storage box 5 that this embodiment set up can realize the dismantlement work to different specification screws, moreover the required screwdriver bit of the light accurate chooseing for use of operating personnel can be ensured to the removal box 53 that sets up in the multi-functional screwdriver bit storage box 5, when bringing better operating comfort for the user, the user is along with getting, improves the problem that traditional screwdriver bit was in disorder piled up, and neatly arranged's removal box 53 makes whole maintenance device cleaner and tidier.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.

Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a maintenance device for pressure instrument casing convenient to maintenance, includes box and upper cover, the upper cover outside is equipped with the handle of convenient transport, its characterized in that still includes instrument detection device, casing dismounting device and multi-functional screwdriver bit storage box, instrument detection device includes the pressure source, pressure source fixed connection is on the diapire in the box, the pressure source output end is equipped with the first pressure pipeline and the second pressure pipeline that communicate each other, first pressure pipeline is connected with first pressure hose, second pressure pipe is connected with second pressure hose, first pressure hose is connected with standard pressure instrument, casing dismounting device includes first motor, first motor fixed connection is on the inside wall of box, the output shaft of first motor runs through the box lateral wall and is connected with the fixed plate, the multifunctional screwdriver head storage box is characterized in that a groove is formed in the top end of the fixed plate, a movable plate is connected in the groove in a sliding manner, an air cylinder is further arranged in the groove, a piston rod of the air cylinder is connected with the movable plate, a fixed clamping plate is welded at one end, back to the groove, of the fixed plate, a movable clamping plate is welded at one end, back to the fixed plate, of the movable plate, the multifunctional screwdriver head storage box is fixedly connected with the inner wall of one side of the box body, a screwdriver clamping groove and a plurality of screwdriver head placing cavities are formed in the multifunctional screwdriver head storage box, an open end is formed in the upper portion of each screwdriver head placing cavity, a hollow movable box is arranged in each screwdriver head placing cavity, the movable boxes are connected with the inner wall of the screwdriver head placing cavities in a sliding manner, a movable, the other end with intracavity diapire fixed connection is placed to the tool bit, carriage release lever week side symmetry is equipped with two stoppers, the tool bit place the chamber lateral wall symmetry be equipped with two with stopper matched with limiting plate, the limiting plate both sides are equipped with spacing post.

2. The maintenance apparatus for a pressure instrument housing facilitating maintenance of claim 1, wherein the pressure source is a booster pump, and a second motor for providing power is connected to an input shaft of the booster pump.

3. The maintenance apparatus for a pressure instrument housing convenient to maintain as claimed in claim 1, wherein a bearing is connected to an output shaft of the first motor, the bearing is fixedly connected to the side wall of the housing, and the bearing is detachably and rotatably connected to a connecting rod of the fixing plate disposed toward the side wall of the housing.

4. The maintenance device convenient for maintenance of a pressure instrument housing as claimed in claim 1, wherein the fixed clamping plate is configured as an arc-shaped plate and has a minor arc structure, one end of the fixed plate is configured as an arc-shaped structure matched with the fixed clamping plate, the other end of the fixed plate is configured as a rectangular structure, the end portion of the rectangular structure of the fixed plate is provided with the groove, the movable clamping plate is configured as an arc-shaped plate and has a minor arc structure, one end of the movable plate is configured as an arc-shaped structure matched with the movable clamping plate, the other end of the movable plate is configured as a rectangular structure, and the end portion of the rectangular structure of the movable plate is inserted into the groove.

5. The maintenance apparatus for a pressure instrument housing, facilitating maintenance as claimed in claim 4, wherein the inner walls of said fixed clamp plate and said movable clamp plate are provided with a plurality of gripping teeth.

6. The maintenance apparatus for a pressure instrument housing, facilitating maintenance as claimed in claim 1, wherein the movable box is provided at an upper end portion thereof with an external thread, and the movable box is screw-coupled with a box cover having an internal thread.

7. The maintenance device for a pressure instrument housing convenient to maintain as claimed in claim 6, wherein an indication arrow is provided on the box cover, and an indication block matched with the indication arrow is provided on the top solid portion of the multifunctional screwdriver bit storage box.