CN208620859U - Vacuum furnace lifting mobile device - Google Patents

Vacuum furnace lifting mobile device Download PDF

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Publication number
CN208620859U
CN208620859U CN201821082825.2U CN201821082825U CN208620859U CN 208620859 U CN208620859 U CN 208620859U CN 201821082825 U CN201821082825 U CN 201821082825U CN 208620859 U CN208620859 U CN 208620859U
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China
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water cooling
mobile bar
guide
cooling mobile
guide piston
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CN201821082825.2U
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Chinese (zh)
Inventor
胡喜莲
刘汉和
刘海平
崔鹏
陶庆
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Xian Aviation Brake Technology Co Ltd
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Xian Aviation Brake Technology Co Ltd
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Abstract

A kind of vacuum furnace lifting mobile device.Coupling tube is mounted on furnace body upper end.Guide cylinder is fixed on the upper surface of coupling tube.Expansion bend is located in guide cylinder.Water cooling mobile bar is located in expansion bend.Guide piston is between water cooling mobile bar and guide cylinder.The inner circumferential surface of guide piston upper end and the external peripheral surface of water cooling mobile bar are fixed by jackscrew.Sealing shroud is sleeved on the excircle of water cooling mobile bar.Sliding block is fixed on the external peripheral surface of the guide piston upper end.In the upper surface of guide cylinder, there are two limit switches;There is a upper limit site in the upper surface of guide piston.Corundum pillar is mounted on the lower end of water cooling mobile bar by fixture.The utility model provide a kind of design rationally, lifting flexibly, reliable in action, the mobile temperature measuring equipment of vacuum furnace electric thermo-couple with anti-sticking pollution-resistant.The device has and prevents from moving that stuck, antipollution, sealing effect be good, limit accurate positioning, and flexible movements are reliable, repeatability accurately function.

Description

Vacuum furnace lifting mobile device
Technical field
The present invention relates to a kind of thermocouple lifting and moving devices that vacuum drying oven uses.Especially for vacuum drying oven use process Middle furnace atmosphere generates pollution and thermocouple needs the occasion of lifting moving.
Background technique
Vacuum induction graphitizing furnace is generally operational under micro-vacuum state, using temperature mostly 2100 DEG C~2600 DEG C it Between, thermocouple is unable to measure so high temperature.Thermometric, temperature control mostly use contactless instrument, such as leucoscope, infrared survey Warm instrument etc..Radar stealthy materials used at present are unable to measure display between room temperature~1000 DEG C, for realize low-temperature space temperature-visualized, can Control increases low-temperature zone thermocouple and automatic hoisting mechanism, and when temperature rises to 1200 DEG C, thermocouple automatic lifting, leaves warm area, Change by radar stealthy materials thermometric, temperature control.General thermocouple hoisting mechanism, using the installation of TC in metal protecting tube, metal protecting tube Dynamic sealing is formed by sealing rubber ring with vacuum chamber, to guarantee the vacuum degree of vacuum chamber;Although general thermocouple hoisting mechanism It is provided with limit up and down, but this method, when thermocouple moves up and down, limit switch and limit point cannot ensure protecting It is accurately repeated on position, cause thermocouple that cannot reliably limit in limit point, cause to occur overshooting when thermocouple is mobile or It fractures when person's offset limit point;The movement of thermocouple is realized by protection metal pipe, and vacuum sealing is using gold Belonging to and sealing ring is installed between protection pipe and vacuum chamber, the two is tight fit, friction is generated with sealing ring when protection metal pipe moves, After several heats, the volatile matter of workpiece leads to protrude into the contaminated deposition of the protection metal pipe in furnace in burner hearth, causes thermoelectricity Deposit when occasionally exiting on protection metal pipe is stuck by sealing rubber ring.Since protection metal pipe does not move, front end it is rigid Beautiful pillar is partially left inside high-temperature region, and corundum pillar and thermocouple is caused to burn.This is most of thermocouple mobile devices Deadly defect;In addition horizontal direction does not position sliding limitation when thermocouple is promoted, and upper and lower limit point is caused to deviate the limit of setting Position position, causes corundum pillar bias easily broken.Mobile bar has not been designed to water-cooling structure, meeting by some thermocouple mobile devices Make dynamic sealing because cooling without water, causes the sealing ring of dynamic sealing because of high temperature deformation, it is difficult to realize the good of vacuum Sealing, inevitably will appear gas leakage.Based on the shortcomings and deficiencies of above-mentioned thermocouple mobile device, domestic colleague manufacturing enterprise is as in It navigates braking, the space flight forth academy, the relevant units such as Northwestern Polytechnical University, after thermocouple mobile mechanism as use several times just substantially not It reuses, but manual mode is used to be segmented thermometric, thermocouple temperature measurement is utilized in low-temperature zone, when temperature is close to thermocouple temperature measurement model Before placing limit, takes manual mode to be promoted or extract thermocouple out by force, use contactless temperature-measuring, this mode instead in high temperature section Easily cause gas leakage.Majority does not even use thermocouple in low-temperature zone using unit, only uses radar stealthy materials in high temperature section Displays temperature is measured, no matter heating up or cooling down in this way, low-temperature space is all temperature blind area.In particular for come out of the stove feeding when, only The cooling of waiting in several days can be put more, in-furnace temperature is estimated by rule of thumb, cause the waste of a large amount of manpower and material resources, also to production and automation Control brings great inconvenience, and low-temperature space cannot achieve temperature automatically controlled, seriously affects properties of product.
Patent document and paper database both domestic and external are retrieved, is not found and the immediate prior art of the present invention.
Summary of the invention
To overcome the shortcomings of that thermocouple existing for existing vacuum furnace electric thermo-couple mobile device is contaminated stuck, the present invention is proposed A kind of vacuum furnace lifting mobile device.
The present invention includes strut and tie, expansion bend, water cooling mobile bar, corundum pillar, guide piston, coupling tube, sliding block and leads To cylinder.Wherein: the coupling tube is mounted on the upper end of the vacuum chamber of furnace body.Guide cylinder is fixed on the upper surface of the coupling tube.It stretches Contracting device is located in the guide cylinder, and the bellows end of the expansion bend is made to be fixed on the upper surface of coupling tube upper flange.Water cooling is moved Lever is located in the expansion bend, and makes clearance fit between the outer surface of the water cooling mobile bar and the inner surface of expansion bend.It leads To piston between water cooling mobile bar and guide cylinder, and make the external peripheral surface of the guide piston lower end and the inner circle of guide cylinder Perimeter surface clearance fit, gap are less than 0.2mm;The outer circle of the inner circumferential surface of the guide piston upper end and the water cooling mobile bar Perimeter surface is fixed by jackscrew;Sealing shroud is sleeved on the excircle for being located at water cooling mobile bar, and is located in guide piston, It is fixed on the inner surface of the guide piston ladder end face.The sliding block is fixed on the external peripheral surface of the guide piston upper end, And it can move up and down along the slideway on the guide cylinder.In the upper surface of the guide cylinder, there are two limit switches for installation.? The upper surface of the guide piston is equipped with a upper limit site.Corundum pillar is mounted on the water cooling mobile bar by fixture Lower end.
Hydraulic cylinder is installed in the upper surface of the cylinder mount plate of the guide cylinder, the upper end of the hydraulic cylinder and connecting plate One end be connected, the other end and strut and tie are connected.The lower end of the strut and tie is fixed on the upper surface of pillar crossbeam.Lower limit bar It is mounted on the strut and tie, and between the connecting plate and pillar crossbeam.
The upper end of each column respectively with the pillar crossbeam be connected, the lower end of each column respectively with guide piston upper end Flange be fixedly connected.
The sandwich that the shell of the water cooling mobile bar is three layers, forms water cooling between internal layer therein and middle layer Mobile bar inlet pipeline forms water cooling mobile bar outlet pipeline between middle layer and outer layer;The water cooling mobile bar water inlet It is penetrated through between pipeline and water cooling mobile bar outlet pipeline in the bottom of the interlayer, so as to form water loop.It is moved in the water cooling The upper end of lever inlet pipeline is equipped with water cooling mobile bar water inlet, is equipped in the upper end of the water cooling mobile bar outlet pipeline Water cooling mobile bar water outlet.The outer surface of the mobile rod shell lower end of the water cooling is the flank connecting with fixture.In the water cooling There is mounting flange in the upper end of mobile bar.Thermocouple is located at the center of the mounting flange upper surface, and lower end passes through the mounting flange It is packed into the centre bore of water cooling mobile bar.
The internal diameter of the coupling tube is slightly larger than the outer diameter of the water cooling mobile bar, and makes the inner circumferential surface of the coupling tube The clearance fit between the external peripheral surface of the water cooling mobile bar.There is connecting flange at the both ends of the coupling tube, wherein It is evenly equipped with guide cylinder connecting hole in upper flanges circumferential outer edge, is evenly equipped with connection on the inside of the coupling tube upper flange circumference and stretches The connecting hole of contracting device.The threaded hole connecting with furnace body flange 18 is evenly equipped in end flanges under the coupling tube.
The inner hole of the guide piston is stepped, and wherein the aperture of top half is outer slightly larger than the water cooling mobile bar Diameter;There is the top wire hole of radial through hole on the circumference of the guide piston top half, by jackscrew by guide piston and water cooling Mobile bar is fixedly connected.The internal diameter of the guide piston lower half portion is greater than the outer diameter of expansion bend, makes therebetween without interference;This is led The crest clearance of internal diameter and guide piston to cylinder top half cooperates, and makes the fit clearance≤0.2mm of the two.
The crest clearance of the internal diameter of the guide cylinder and the guide piston cooperates, and make fit clearance between the two≤ 0.2mm.The slideway of sliding block is provided with along axial direction on the guide cylinder upper end outer circumferential surface, which penetrates through the shell of guide way, Axial length must meet the needs of thermocouple fluctuation range, have diameter on the circumferential surface of side outside the guide cylinder lower end To the cylinder mount plate of protrusion, and keep the position of the cylinder mount plate and the position of the slideway symmetrical.
There is upright post connecting plate in the lower end of the strut and tie;The upper end of the strut and tie is mounted in the mounting hole of connecting plate.Under Gag lever post is clipped on the strut and tie.
The present invention provides a kind of designs rationally, lifting is flexible, reliable in action, the vacuum drying oven with anti-sticking pollution-resistant Thermocouple moves temperature measuring equipment.The device has and prevents from moving that stuck, antipollution, sealing effect be good, limit accurate positioning, movement Flexibility and reliability, repeated accurately function.
Compared with prior art, the invention has the following advantages that
1, water cooling mobile bar drives thermocouple to move in expansion bend, the outer surface of water cooling mobile bar and the interior table of expansion bend Clearance fit between face, not with sealing ring generate moving contact, water cooling mobile bar even if pollution can also in expansion bend freely it is suitable It is smooth mobile, avoid stuck phenomenon;
2, the slideway moved up and down is provided on guide cylinder, sliding block is fixed on guide piston while moving in guide cylinder, The uniqueness for guaranteeing water cooling mobile bar horizontal direction realizes the direction and location movement of thermocouple;
3, guide piston drives expansion bend to move up and down in guide cylinder, guarantees the repetition of water cooling mobile bar vertical direction Property, horizontal, vertical direction acts on simultaneously keeps bound position accurate and reliable;
4, fixing seal is formed between the upper flange of upper seal and expansion bend, guide piston and water cooling mobile bar.Transition Seal groove is provided on flange, lower seal is fixed in seal groove, guarantees that expansion bend forms the close of vacuum one with furnace body with this Envelope.
5, guide cylinder slideway upper and lower side has anti-limited slip block to outrange mobile mechanical position limitation, when limit switch is produced by induction When guide cylinder does not stop decline when raw electric signal output, second protection can be carried out by mechanical position limitation.When limit switch passes through When guide cylinder does not stop rising when induction generation electric signal output, range can be reached by hydraulic cylinder and stops rising progress Duplicate protection.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
Fig. 2 is cross-sectional view of the invention.
Fig. 3 is the structural schematic diagram of expansion bend, wherein Fig. 3 a is main view, and Fig. 3 b is the A-A of Fig. 3 a to figure, and Fig. 3 c is The B-B direction view of Fig. 3 a.
Fig. 4 is the structural schematic diagram of water cooling mobile bar, wherein Fig. 4 a is main view, and Fig. 4 b is the A-A direction view of Fig. 4 a.
Fig. 5 is the structural schematic diagram of guide cylinder, wherein Fig. 5 a is main view, and Fig. 5 b is the side view of Fig. 5 a, and Fig. 5 c is figure The top view of 5a.
Fig. 6 is the structural schematic diagram of guide piston, wherein Fig. 6 a is main view, and Fig. 6 b is the side view of Fig. 6 a, and Fig. 6 c is The top view of Fig. 6 a.
Fig. 7 is the structural schematic diagram of coupling tube, wherein Fig. 7 a is top view, and Fig. 7 b is the A-A direction view of Fig. 7 a.In figure:
1. strut and tie;2. thermocouple;3. lower limit bar;4. jackscrew;5. upper seal;6. expansion bend;7. water cooling mobile bar; 8. seal groove;9. coupling tube;10. corundum pillar;11. limit switch;12. sliding block;13. upper limit site;14. slideway;15. guiding Piston;16. guide cylinder;17. column;18. furnace body flange;19. vacuum chamber;20. hydraulic cylinder;21. sealing shroud;22. connecting plate; 23. fixture;24. mounting flange;25. water cooling mobile bar water inlet;26. water cooling mobile bar water outlet;27. expansion bend connecting hole; 28. column mounting holes.
Specific embodiment
The present embodiment is a kind of vacuum furnace lifting mobile device with anti-sticking pollution-resistant, including strut and tie 1, flexible Device 6, water cooling mobile bar 7, corundum pillar 10, guide piston 15, guide cylinder 16.Wherein: the coupling tube lower flange 17 passes through method Orchid is mounted on the upper end of the vacuum chamber 19 of furnace body.Guide cylinder 16 is fixed on the upper flange upper surface of the coupling tube 9.Expansion bend 6 In the guide cylinder, and the lower end surface of the expansion bend bellows end is made to be fixed on the surface of coupling tube upper flange.Water cooling is moved Lever 7 is located in the expansion bend 6, and makes clearance fit between the outer surface of the water cooling mobile bar and the inner surface of expansion bend. Guide piston 15 makes the external peripheral surface of 15 lower end of guide piston and leads between water cooling mobile bar 7 and guide cylinder 16 To the inner circumferential surface clearance fit of cylinder 16, gap is less than 0.2mm;The inner circumferential surface of the guide piston upper end and the water cooling The external peripheral surface of mobile bar is fixed by jackscrew 4;Sealing shroud 21 is sleeved on the excircle for being located at water cooling mobile bar 7, And be located in guide piston, it is fixed on the inner surface of the guide piston ladder end face.It is living that the sliding block 12 is fixed on the guiding The external peripheral surface of 15 upper ends is filled in, and can be moved up and down along the slideway 14 on the guide cylinder 16.In the guide cylinder 16 Upper surface installation is there are two limit switch 11, when the water cooling mobile bar 7 moves downward, the lower limit that is mounted on strut and tie 1 When position bar 3 touches the limit switch, the water cooling mobile bar, that is, stop motion.It is equipped in the upper surface of the guide piston 15 One upper limit site 13, when the water cooling mobile bar 7 moves upwards, when the upper limit point touch is to limit switch, water cooling is moved Lever, that is, stop motion.Corundum pillar 10 is mounted on the lower end of the water cooling mobile bar 7 by fixture.
The hydraulic cylinder 20 is mounted on the upper surface of the cylinder mount plate of guide cylinder 16, fixes in hydraulic cylinder body upper end There is connecting plate 22.The other end and strut and tie 1 of the connecting plate are connected.The lower end of the strut and tie is fixed on the upper table of pillar crossbeam Face.The lower limit bar 3 is mounted on the strut and tie, and between the connecting plate and pillar crossbeam.The column Have four, the upper end of each column is connected with the pillar crossbeam respectively, the lower end of each column respectively with 15 upper end of guide piston Flange is fixedly connected.
The water cooling mobile bar 7 is hollow revolving body.The sandwich that the shell of the water cooling mobile bar is three layers, it is therein Water cooling mobile bar inlet pipeline is formd between internal layer and middle layer, and the water outlet of water cooling mobile bar is formd between middle layer and outer layer Pipeline;It is penetrated through between the water cooling mobile bar inlet pipeline and water cooling mobile bar outlet pipeline in the bottom of the interlayer, thus Form water loop.Water cooling mobile bar water inlet 25 is installed in the upper end of the water cooling mobile bar inlet pipeline, in the water The upper end of cold mobile bar outlet pipeline is equipped with water cooling mobile bar water outlet 26.The appearance of the 7 shell lower end of water cooling mobile bar Face is the flank connecting with fixture 23.The mounting flange 24 of annular is installed in the upper end of the water cooling mobile bar, thermocouple 2 is logical The center for being threadably mounted at the mounting flange upper surface is crossed, lower end passes through the centre bore that the mounting flange is packed into water cooling mobile bar It is interior.Realize that the fixation to thermocouple 2, thermocouple and water cooling bar are sealed by sealing ring by the mounting flange.The water cooling is moved The inner surface of lever 7 is the cascaded surface cooperated with 2 external peripheral surface of thermocouple;The inner surface and thermoelectricity of the water cooling mobile bar 7 Clearance fit between even 2 external peripheral surfaces.
The coupling tube is sleeve-shaped.The internal diameter of the coupling tube is slightly larger than the outer diameter of the water cooling mobile bar 7, and makes this Clearance fit between the inner circumferential surface of coupling tube and the external peripheral surface of the water cooling mobile bar.At the both ends of the coupling tube There is connecting flange, be wherein evenly equipped with guide cylinder connecting hole in upper flanges circumferential outer edge, in the coupling tube upper flange circumference Inside be evenly equipped with the connecting hole of connecting expansion device 6.It is evenly equipped in end flanges under the coupling tube and to be connect with furnace body flange 18 Threaded hole.
The guide piston 15 is hollow revolving body.The inner hole of the guide piston is stepped, wherein top half Aperture is slightly larger than the outer diameter of the water cooling mobile bar 7;There is the top of radial through hole on the circumference of the guide piston top half Guide piston 15 is fixedly connected by wire hole by jackscrew 4 with water cooling mobile bar 7.The internal diameter of the guide piston lower half portion is greater than The outer diameter of expansion bend 6 makes between the guide piston and the bellows segment of expansion bend without interference;The internal diameter of 16 top half of guide cylinder It is identical as the outer diameter of guide piston 15, and make clearance fit between the two in 0.2mm.It is formed in the guide piston step difference End face on, be evenly equipped with expansion bend connecting hole 27 and column mounting holes 28
The guide cylinder 16 is also hollow revolving body.The internal diameter of the guide cylinder is identical as the outer diameter of the guide piston 15, And make clearance fit between the two in 0.2mm.The slideway of sliding block 12 is provided with along axial direction on the guide cylinder upper end outer circumferential surface, The slideway penetrates through the shell of guide way, and axial length must meet the needs of thermocouple fluctuation range, should in the present embodiment The length of slideway is 400mm.There is the cylinder mount plate of radially protruding on the circumferential surface of side outside the guide cylinder lower end, And keep the position of the cylinder mount plate and the position of the slideway symmetrical.
There is upright post connecting plate in the lower end of the strut and tie 1;The upper end of the strut and tie is mounted in the mounting hole of connecting plate 22, and It is fastened by nut.Lower limit bar 3 is clipped on the strut and tie, and make between the lower limit bar lower surface and lower retainer away from From it is close when be less than 5mm, when pulling open be less than 380mm.
The expansion bend 6 is also hollow revolving body, which is corrugated stainless steel tubing, and internal diameter is mobile slightly larger than water cooling 7 outer diameter of bar, expansion bend upper flange are fixed together by bolt and guide piston cascaded surface, and upper seal is placed on expansion bend At the sealing shroud of flange, seal guide piston cascaded surface and expansion bend upper flange and water cooling bar three, expansion bend lower flange has Seal groove, lower seal are placed in seal groove, and expansion bend lower flange is bolted with coupling tube upper flange.

Claims (8)

1. a kind of vacuum furnace lifting mobile device, which is characterized in that including strut and tie, expansion bend, water cooling mobile bar, corundum shield Pipe, guide piston, coupling tube, sliding block and guide cylinder;Wherein: the coupling tube is mounted on the upper end of the vacuum chamber of furnace body;Guiding Cylinder is fixed on the upper surface of the coupling tube;Expansion bend is located in the guide cylinder, and is fixed on the bellows end of the expansion bend The upper surface of coupling tube upper flange;Water cooling mobile bar is located in the expansion bend, and makes the outer surface of the water cooling mobile bar and stretch Clearance fit between the inner surface of contracting device;Guide piston makes under the guide piston between water cooling mobile bar and guide cylinder The external peripheral surface at end and the inner circumferential surface clearance fit of guide cylinder, gap are less than 0.2mm;The inner circle of the guide piston upper end The external peripheral surface of perimeter surface and the water cooling mobile bar is fixed by jackscrew;Sealing shroud is sleeved on described positioned at water cooling mobile bar Excircle on, and be located at guide piston in, be fixed on the inner surface of the guide piston ladder end face;The sliding block is fixed on The external peripheral surface of the guide piston upper end, and can move up and down along the slideway on the guide cylinder;In the guide cylinder There are two limit switches for upper surface installation;One upper limit site is installed in the upper surface of the guide piston;Corundum pillar is logical Cross the lower end that fixture is mounted on the water cooling mobile bar.
2. vacuum furnace lifting mobile device as described in claim 1, which is characterized in that in the cylinder mount plate of the guide cylinder Upper surface hydraulic cylinder is installed, one end of the upper end of the hydraulic cylinder and connecting plate is connected, and the other end and strut and tie are connected;It is described The lower end of strut and tie is fixed on the upper surface of pillar crossbeam;Lower limit bar is mounted on the strut and tie, and is located at the connecting plate Between pillar crossbeam.
3. vacuum furnace lifting mobile device as described in claim 1, which is characterized in that the upper end of each column respectively with pillar crossbeam It is connected, the lower end of each column is fixedly connected with the flange of guide piston upper end respectively.
4. vacuum furnace lifting mobile device as described in claim 1, which is characterized in that the shell of the water cooling mobile bar is three layers Sandwich, water cooling mobile bar inlet pipeline, shape between middle layer and outer layer are formd between internal layer therein and middle layer At water cooling mobile bar outlet pipeline;In the folder between the water cooling mobile bar inlet pipeline and water cooling mobile bar outlet pipeline The bottom perforation of layer, so as to form water loop;Water cooling mobile bar is installed in the upper end of the water cooling mobile bar inlet pipeline Water inlet is equipped with water cooling mobile bar water outlet in the upper end of the water cooling mobile bar outlet pipeline;The water cooling mobile bar shell The outer surface of body lower end is the flank connecting with fixture;There is mounting flange in the upper end of the water cooling mobile bar;Thermocouple is located at The center of the mounting flange upper surface, lower end pass through the mounting flange and are packed into the centre bore of water cooling mobile bar.
5. vacuum furnace lifting mobile device as described in claim 1, which is characterized in that the internal diameter of the coupling tube is slightly larger than institute The outer diameter of water cooling mobile bar is stated, and between making between the inner circumferential surface of the coupling tube and the external peripheral surface of the water cooling mobile bar Gap cooperation;There is connecting flange at the both ends of the coupling tube, guide cylinder connection is wherein evenly equipped in upper flanges circumferential outer edge Hole is evenly equipped with the connecting hole of connecting expansion device on the inside of the coupling tube upper flange circumference;Under the coupling tube in end flanges It is evenly equipped with the threaded hole connecting with furnace body flange 18.
6. vacuum furnace lifting mobile device as described in claim 1, which is characterized in that the inner hole of the guide piston is in ladder Shape, wherein the aperture of top half is slightly larger than the outer diameter of the water cooling mobile bar;On the circumference of the guide piston top half There is the top wire hole of radial through hole, is fixedly connected with guide piston with water cooling mobile bar by jackscrew;The guide piston lower half The internal diameter divided is greater than the outer diameter of expansion bend, makes therebetween without interference;The internal diameter of the guide cylinder top half and guide piston Crest clearance cooperation, and make the fit clearance≤0.2mm of the two.
7. vacuum furnace lifting mobile device as described in claim 1, which is characterized in that the internal diameter of the guide cylinder and the guiding The crest clearance of piston cooperates, and makes fit clearance≤0.2mm between the two;On the guide cylinder upper end outer circumferential surface along axis To the slideway for being provided with sliding block, which penetrates through the shell of guide way, and axial length must meet thermocouple fluctuation range It needs, has the cylinder mount plate of radially protruding on the circumferential surface of side outside the guide cylinder lower end, and make the hydraulic cylinder The position of mounting plate and the position of the slideway are symmetrical.
8. vacuum furnace lifting mobile device as described in claim 1, which is characterized in that there is column connection in the lower end of the strut and tie Plate;The upper end of the strut and tie is mounted in the mounting hole of connecting plate;Lower limit bar cramp is on the strut and tie.
CN201821082825.2U 2018-07-10 2018-07-10 Vacuum furnace lifting mobile device Active CN208620859U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821082825.2U CN208620859U (en) 2018-07-10 2018-07-10 Vacuum furnace lifting mobile device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821082825.2U CN208620859U (en) 2018-07-10 2018-07-10 Vacuum furnace lifting mobile device

Publications (1)

Publication Number Publication Date
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108917416A (en) * 2018-07-10 2018-11-30 西安航空制动科技有限公司 A kind of vacuum furnace lifting mobile device with anti-sticking pollution-resistant

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108917416A (en) * 2018-07-10 2018-11-30 西安航空制动科技有限公司 A kind of vacuum furnace lifting mobile device with anti-sticking pollution-resistant
CN108917416B (en) * 2018-07-10 2023-07-25 西安航空制动科技有限公司 Vacuum furnace lifting and moving device with anti-blocking and anti-pollution functions

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