CN116904906A - Nickel-carbon compound plating processing device for inner hole surface of pump barrel of oil pump - Google Patents
Nickel-carbon compound plating processing device for inner hole surface of pump barrel of oil pump Download PDFInfo
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- CN116904906A CN116904906A CN202311166986.5A CN202311166986A CN116904906A CN 116904906 A CN116904906 A CN 116904906A CN 202311166986 A CN202311166986 A CN 202311166986A CN 116904906 A CN116904906 A CN 116904906A
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- 238000007747 plating Methods 0.000 title claims abstract description 36
- 238000012545 processing Methods 0.000 title claims abstract description 35
- VMWYVTOHEQQZHQ-UHFFFAOYSA-N methylidynenickel Chemical compound [Ni]#[C] VMWYVTOHEQQZHQ-UHFFFAOYSA-N 0.000 title claims abstract description 30
- 238000005507 spraying Methods 0.000 claims abstract description 66
- 230000008878 coupling Effects 0.000 claims abstract description 20
- 238000010168 coupling process Methods 0.000 claims abstract description 20
- 238000005859 coupling reaction Methods 0.000 claims abstract description 20
- 238000007751 thermal spraying Methods 0.000 claims abstract description 17
- 239000003129 oil well Substances 0.000 claims abstract description 8
- 230000005540 biological transmission Effects 0.000 claims description 46
- 239000000463 material Substances 0.000 claims description 29
- 239000002994 raw material Substances 0.000 claims description 26
- 238000007788 roughening Methods 0.000 claims description 15
- 238000012216 screening Methods 0.000 claims description 13
- 230000002093 peripheral effect Effects 0.000 claims description 12
- 238000012546 transfer Methods 0.000 claims description 10
- 238000003756 stirring Methods 0.000 claims description 9
- 238000003860 storage Methods 0.000 claims description 8
- 238000007906 compression Methods 0.000 claims description 7
- 230000007246 mechanism Effects 0.000 claims description 7
- 230000007704 transition Effects 0.000 claims description 7
- 230000006835 compression Effects 0.000 claims description 6
- 238000007670 refining Methods 0.000 claims description 4
- 241000883990 Flabellum Species 0.000 claims description 3
- 230000005570 vertical transmission Effects 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 2
- 239000002184 metal Substances 0.000 abstract description 8
- 229910052751 metal Inorganic materials 0.000 abstract description 8
- 239000007769 metal material Substances 0.000 abstract description 2
- 239000000853 adhesive Substances 0.000 abstract 1
- 230000001070 adhesive effect Effects 0.000 abstract 1
- 230000008030 elimination Effects 0.000 abstract 1
- 238000003379 elimination reaction Methods 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 16
- 239000000843 powder Substances 0.000 description 11
- 238000000034 method Methods 0.000 description 8
- 208000032370 Secondary transmission Diseases 0.000 description 7
- 230000008569 process Effects 0.000 description 6
- 239000010779 crude oil Substances 0.000 description 5
- 239000000428 dust Substances 0.000 description 3
- 238000004880 explosion Methods 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000012217 deletion Methods 0.000 description 1
- 230000037430 deletion Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000001465 metallisation Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/12—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the method of spraying
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Chemically Coating (AREA)
Abstract
Nickel carbon compound plating processingequipment on oil-well pump barrel hole surface relates to the metal material plating technical field on work piece surface, including the square base that the level set up, square base is close to the upper surface rigid coupling of one side and has the electric cabinet, and the top of electric cabinet is fixed to be equipped with the selection workbin, is equipped with thermal spraying subassembly, internal surface coarsening subassembly and transit centre gripping subassembly on the square base respectively, and thermal spraying subassembly, internal surface coarsening subassembly and transit centre gripping subassembly are in same working height. The invention solves the problems of difficult elimination of spraying dead angles, low spraying efficiency, uneven spraying thickness and small adhesive force of the plating metal existing in the traditional device or mode for carrying out metal spraying processing on the inner surface of the pump cylinder.
Description
Technical Field
The invention relates to the technical field of plating of metal materials on the surface of a workpiece, in particular to a nickel-carbon compound plating processing device for the surface of an inner hole of a pump barrel of an oil pump.
Background
With the continuous development of industry and economy, the exploitation of oil wells is continuously increased, and the demands for oil pumps are also continuously increased.
The oil pump is the main equipment in the oil pumping system of the sucker rod pump. The type of oil pump structure required will vary depending on the depth of the well, the capacity, and the nature of the crude oil.
Generally speaking, an oil pump mainly comprises a pump cylinder, a plunger, a traveling valve and a fixed valve. When the oil pump is in an up stroke, the volume of a pump cavity below the plunger is increased, the pressure is reduced, the fixed valve is opened under the action of the upper pressure difference and the lower pressure difference, crude oil enters the lower pump cavity, meanwhile, the traveling valve is closed under the action of the upper pressure difference and the lower pressure difference, and crude oil in the upper pump cavity above the plunger is discharged to the ground along the oil pipe; similarly, during the downstroke, the plunger compresses crude oil between the fixed valve and the traveling valve, closes the fixed valve, opens the traveling valve, and enters the upper pump cavity from the lower pump cavity. The plunger is up and down, and the oil pump completes one cycle. The cycle is repeated from time to time. According to the working principle of the oil pump, in order to improve the oil pumping efficiency and reduce the oil extraction cost, main structural components such as a plunger, a pump barrel and the like have the characteristics of reliable work and long service life, and also have wear resistance and corrosion resistance, so that a surface hardening treatment procedure is also required to be added in the manufacturing process of the components.
In particular, in the case of the pump barrel, since the inner surface of the pump barrel and the outer surface of the plunger are repeatedly friction-fitted during the process of pumping and extruding crude oil, in order to increase wear resistance and reduce the fit clearance between the pump barrel and the plunger, it is generally necessary to perform a nickel carbon compound plating treatment on the inner surface of the pump barrel, but since the pump barrel is a hollow round tube having a certain length in shape and the nickel carbon compound plating portion is a circumferential arc surface, the following problems inevitably occur when the inner surface of the pump barrel is metal plated by the existing process or apparatus due to the particularity of the shape and the processing portion:
1. the pump cylinder is too long, so that the spraying treatment cannot be fully performed on the inner surface of the pump cylinder, and spraying dead angles exist. Specifically, because the pump barrel is a slender hollow tube in structure, the existing spraying tool has a limited length, and only a part of the spraying tool can extend into the pump barrel for spraying, so that spraying dead angles are generated in the spraying process, and the dead angles are difficult to eliminate.
2. Limitations in the deposition pattern lead to low deposition efficiency and uneven compound coating thickness. The existing spraying mode can only perform linear spraying at a time, and when spraying the surface, the traditional spraying mode needs to perform repeated circulation to realize complete surface plating treatment, has low efficiency, and particularly in the spraying process of the inner cambered surface of the pump barrel, repeated spraying or spraying deletion is easily caused by repeated spraying, so that the uniformity of the coating thickness is influenced, and the wear resistance and corrosion resistance are reduced.
3. The roughness of the inner surface of the pump cylinder is insufficient, resulting in difficulty in adhesion of the plating metal. In particular, the bond between the plating material and the base material obtained by metallization is purely mechanical, whereas a smooth base surface reduces the bonding force between the materials, and therefore the inner surface of the cylinder must be treated as necessary to increase the adhesion strength between the plating metal and the cylinder.
In summary, it is clear that the prior art has inconvenience and defects in practical use, so that improvement is needed.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a nickel carbon compound plating processing device for the surface of an inner hole of a pump cylinder of an oil pump, which is used for solving the problems that a plating dead angle is difficult to eliminate, plating efficiency is low, plating thickness is uneven and plating metal adhesion force is small when the device or the mode in the traditional technology is used for carrying out metal plating processing on the inner surface of the pump cylinder.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the nickel carbon compound plating processing device for the inner hole surface of the pump barrel of the oil pump comprises a square base which is horizontally arranged, wherein a thermal spraying component, an inner surface roughening component and a transfer clamping component are respectively arranged on the square base.
As an optimized scheme, the upper surface of the square base is fixedly connected with an electric cabinet, a material selecting box is fixedly arranged above the electric cabinet, and a horizontal feeding pipe is fixedly connected to the side wall of the material selecting box in a communicating manner.
As an optimized scheme, the middle part of the upper surface of the square base is provided with a transverse sliding avoidance port, and two transversely extending sliding limiting grooves are formed in two sides of the sliding avoidance port.
As an optimized scheme, the thermal spraying assembly comprises a raw material collecting pipe which is horizontally arranged, a transition pipe is fixedly connected to the lower end of the material selecting box, the lower end of the transition pipe is fixedly connected to the raw material collecting pipe, the raw material collecting pipe is a half-way pipe with one end closed and the other end open, and an expansion nozzle is fixedly connected to the open end of the raw material collecting pipe.
As an optimized scheme, the thermal spraying assembly further comprises a rotating sleeve pipe which is horizontally arranged, the rotating sleeve pipe is sleeved on the outer side of the raw material collecting pipe, the rotating sleeve pipe is a half-way pipe, a spraying pipe is fixedly connected to the closed end face of the rotating sleeve pipe, a plurality of central symmetrical hot-dip spraying nozzles are fixedly connected to the peripheral outer wall of the spraying pipe, and the tail ends of the hot-dip spraying nozzles are communicated with the inner part of the spraying pipe.
As an optimized scheme, the opening tail end of the expansion nozzle penetrates through the closed end face of the rotating sleeve and extends into the spraying pipe, and an electronic igniter is fixedly connected to the inner side end face of the spraying pipe.
As an optimized scheme, the upper surface of the square base is inserted and connected with a vertical supporting plate, and the middle part of the vertical supporting plate is provided with a communication port capable of rotatably supporting the rotary sleeve.
As an optimized scheme, a transmission ring is fixedly connected to the peripheral wall of the rotating sleeve close to the opening end, a rotating driving motor is fixedly connected to the inner side wall of the vertical supporting plate close to the lower part, an output shaft of the rotating driving motor penetrates through the vertical supporting plate and extends to the outer side of the vertical supporting plate, a vertical transmission wheel is fixedly connected to the tail end of the output shaft of the rotating driving motor, the transmission wheel is in abutting transmission with the transmission ring, the rotating driving motor can drive the transmission wheel to rotate, torque is transmitted to the rotating sleeve through the transmission ring, the rotating sleeve rotates around the shaft, and therefore rotation spraying of the inner peripheral wall of the pump cylinder is achieved.
As an optimized scheme, the inner surface roughening assembly comprises a right-angle mounting plate, the right-angle mounting plate is longitudinally and telescopically mounted on the square base, a stepping motor is fixedly connected to the outer wall of the vertical portion of the right-angle mounting plate, the tail end of an output shaft of the stepping motor penetrates through the side wall of the right-angle mounting plate and is fixedly connected with a horizontal rotating column, a plurality of centrally symmetrical telescopic accommodating grooves are formed in the peripheral wall of the rotating column, a plurality of electric control telescopic cylinders are fixedly connected in the telescopic accommodating grooves at equal intervals in the axial direction, and conical jacking heads are fixedly connected to the telescopic tail ends of the electric control telescopic cylinders respectively.
As an optimized scheme, the transfer clamping assembly comprises a horizontally arranged slide middle rotary seat, the slide middle rotary seat is tightly attached to the upper surface of the square base, two symmetrical slide driving blocks are fixedly connected to two sides of the lower surface of the slide middle rotary seat, and the slide driving blocks are slidably clamped in the slide limiting grooves.
As an optimized scheme, the steering driving motor is fixedly connected to the center of the lower surface of the sliding middle rotary seat, and the tail end of an output shaft of the steering driving motor upwards penetrates through the sliding middle rotary seat and is fixedly connected with the U-shaped steering clamping seat.
As an optimized scheme, two clamping sliding blocks sliding longitudinally are arranged in the steering clamping seat, and the upper end of each clamping sliding block is fixedly connected with an arc-shaped clamping plate respectively.
As an optimized scheme, two groups of connecting support frames are fixedly connected to opposite side walls of the electric cabinet, and the upper ends of each group of connecting support frames are fixedly connected to opposite side walls of the material selecting box respectively.
As an optimized scheme, the lower extreme of selecting the bin is inclined throat setting, be equipped with vibration screening mechanism in the selecting the bin, vibration screening mechanism including the rigid coupling in the stirring driving motor in the outer top surface center of selecting the bin, stirring driving motor's output shaft end downwards passes the case wall of selecting the bin and rigid coupling have the intermediate junction board, the intermediate junction board is hugged closely the interior top surface setting of selecting the bin, the lower surface rigid coupling of intermediate junction board has vertical lift telescopic link, the lower part flexible end of lift telescopic link is fixed with the connecting seat, the rigid coupling has a plurality of centrosymmetric refining flabellums on the perisporium of connecting seat, the below vibration of connecting seat is equipped with the screen frame, the screen frame is the square frame that the level set up, the middle part rigid coupling of screen frame has the screening net.
As an optimized scheme, a plurality of supporting blocks which are symmetrical in center are fixedly connected to the circumferential side wall, close to the lower portion, of the material selecting box, vertical compression springs are fixedly connected to the upper surface of each supporting block respectively, and the upper ends of the compression springs are fixedly connected to the lower surface of the screen frame.
As an optimized scheme, the openings at two ends of the steering clamping seat are fixedly connected with closed side plates respectively, a clamping telescopic cylinder is arranged between the clamping sliding blocks and the closed side plates, one end of the clamping telescopic cylinder is fixedly connected to the inner side wall of the closed side plates, and the other end of the clamping telescopic cylinder is fixedly connected to the back surface of the clamping sliding blocks.
As an optimized scheme, each sliding limiting groove is respectively provided with a horizontal thread driving rod, each thread driving rod transversely penetrates through the corresponding sliding driving block in a threaded manner, and two ends of each thread driving rod are rotatably mounted on the transverse inner wall of each sliding limiting groove.
As an optimized scheme, a motor mounting groove is formed in the upper surface of the square base close to the edge of the square base, a sliding driving motor is fixedly arranged in the motor mounting groove, and the sliding driving motor and the electric cabinet are oppositely arranged.
As an optimized scheme, a longitudinal transmission avoidance port is further formed in the upper surface of the square base, which is close to the motor mounting groove, an output shaft of the sliding driving motor penetrates through the side wall of the motor mounting groove and extends into the transmission avoidance port, and a main transmission gear is fixedly connected to the tail end of the output shaft of the sliding driving motor.
As an optimized scheme, each screw driving rod is coaxially fixedly connected with a secondary transmission gear on the peripheral wall, the secondary transmission gears are arranged in the transmission avoidance openings, the secondary transmission gears and the main transmission gears are in meshed transmission, the sliding driving motor drives the main transmission gears to rotate, the main transmission gears transmit torque to the secondary transmission gears meshed with the main transmission gears, so that the screw driving rods are driven to rotate, and then the sliding driving blocks transversely slide along the sliding limiting grooves.
As an optimized scheme, a sliding mounting opening is formed in the longitudinal side end face of the square base, the sliding mounting opening is close to the transmission avoidance opening, the horizontal portion of the right-angle mounting plate is slidably arranged in the sliding mounting opening, a telescopic baffle is fixedly connected to the tail end of the horizontal portion of the right-angle mounting plate, two sliding telescopic cylinders are arranged between the telescopic baffle and the square base, the fixed ends of the sliding telescopic cylinders are fixedly connected to the inner side walls of the telescopic baffle, and the telescopic ends of the sliding telescopic cylinders are fixedly connected to the longitudinal side end face of the square base.
As an optimized scheme, a three-way air inlet pipe is fixedly connected to the closed end face of the raw material collecting pipe, an air storage cylinder and an air compressor are fixedly connected to the upper surface of the square base, the air storage cylinder and the air compressor are respectively arranged on two longitudinal sides of the electric cabinet, and two ends of a horizontal pipe part of the three-way air inlet pipe are fixedly connected and communicated to the air storage cylinder and the air compressor respectively.
As an optimized scheme, the rotating column, the arc-shaped clamping plate and the spraying pipe are positioned at the same horizontal height.
Compared with the prior art, the invention has the beneficial effects that:
the invention simultaneously sets the inner surface roughening component capable of carrying out jacking and inner hole punching processing on the inner surface of the pump cylinder and the thermal spraying component capable of carrying out metal spraying processing on the inner surface of the pump cylinder, realizes linkage matching between the inner surface roughening component and the thermal spraying component through clamping and transferring of the transfer clamping component, and realizes conversion between different processing stations of the pump cylinder on the device.
The inner surface roughening component provided by the invention can be used for carrying out rough hole processing on the inner surface of the pump barrel in advance before the spraying processing of the pump barrel, in particular, rough hole-shaped grooves can be left on the inner surface of the pump barrel through telescopic jacking of the conical jacking head, the hole-shaped grooves can be densely distributed along the circumferential direction of the inner surface of the pump barrel through rotation of the rotating column, and the dense holes can be used for increasing the adhesion strength of molten plating materials when the inner surface of the pump barrel is plated.
The thermal spraying component provided by the invention is characterized in that compressed air, combustible gas and nickel carbon compound powder are mixed and then carried into a spraying pipe, and then the spraying pipe is ignited to generate controllable explosion, the generated heat causes the nickel carbon compound powder to be melted, and then the nickel carbon compound powder is sprayed out through a thermal plating spray nozzle and is attached to a pump cylinder; the circumferential rotation spraying mode can eliminate the problems of low spraying efficiency and uneven spraying thickness caused by linear spraying; furthermore, the material selecting box and the vibrating screening mechanism for screening the nickel carbon compound powder arranged in the material selecting box can screen the granularity of the nickel carbon compound powder before the nickel carbon compound powder is mixed with the compressed air and the combustible gas, so that the melting degree of the nickel carbon compound powder is uniform.
The invention adopts the mode of processing the half section of the pump cylinder as a whole, namely, firstly, rough processing and thermal spraying processing are carried out on the inner surface of the half section of the pump cylinder, then, the transfer clamping assembly is used for exchanging the processing part of the pump cylinder, and then, roughening and spraying processing are carried out on the inner surface of the other half section of the pump cylinder, thus, the processing length of the pump cylinder is shortened to half by the processing mode, and the spraying dead angle is eliminated to the greatest extent; specifically, the processing mode of the half-section processing is realized through steering adjustment of the steering clamping seat and sliding and rotating of the rotating seat in sliding.
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. Like elements or portions are generally identified by like reference numerals throughout the several figures. In the drawings, elements or portions thereof are not necessarily drawn to scale.
FIG. 1 is a schematic cross-sectional view of the internal structure of the components of the present invention in a front view;
FIG. 2 is a schematic cross-sectional view of the internal structure of the components of the present invention in a top view;
FIG. 3 is an external overall schematic of the present invention in a top view;
FIG. 4 is an overall schematic view of the exterior of the present invention in a front view;
FIG. 5 is a schematic diagram illustrating an internal structure of the middle clamping assembly and the inner surface roughening assembly in a side view direction according to the present invention;
FIG. 6 is a schematic view of the exterior configuration of the thermal spray assembly of the present invention in a side view;
FIG. 7 is a schematic cross-sectional view of the slide driving method of the transfer clamping assembly in the front view direction;
FIG. 8 is an enlarged partial schematic view of FIG. 1 at A;
fig. 9 is a partially enlarged schematic view at B in fig. 1.
In the figure: 1-square base, 2-electric cabinet, 3-material selecting box, 4-stirring driving motor, 5-middle connecting plate, 6-lifting telescopic rod, 7-connecting seat, 8-material refining fan blade, 9-screen frame, 10-screen frame, 11-supporting block, 12-compression spring, 13-material feeding pipe, 14-connecting supporting frame, 15-raw material collecting pipe, 16-transition pipe, 17-three-way air inlet pipe, 18-expansion nozzle, 19-air storage cylinder, 20-air compressor, 21-pressure valve, 22-rotating sleeve, 23-spraying pipe, 24-hot plating spray nozzle, 25-electronic igniter, 26-sealing plug, 27-vertical supporting plate, 28-connecting port, 29-driving ring and 30-rotating driving motor, 31-driving wheel, 32-sliding avoidance port, 33-sliding limit groove, 34-sliding middle swivel mount, 35-sliding driving block, 36-steering driving motor, 37-steering clamping seat, 38-closed side plate, 39-clamping sliding block, 40-clamping telescopic cylinder, 41-guiding sliding rod, 42-arc clamping plate, 43-screw driving rod, 44-motor mounting groove, 45-sliding driving motor, 46-transmission avoidance port, 47-main driving gear, 48-auxiliary driving gear, 49-dust cover, 50-right angle mounting plate, 51-sliding mounting port, 52-telescopic baffle, 53-sliding telescopic cylinder, 54-stepper motor, 55-rotating column, 56-telescopic storage groove, 57-an electric control telescopic cylinder and 58-a conical jacking head.
Detailed Description
Embodiments of the technical scheme of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present invention, and thus are merely examples, and are not intended to limit the scope of the present invention.
As shown in fig. 1 to 9, the nickel carbon compound plating processing device for the inner hole surface of the pump barrel of the oil pump comprises a square base 1 which is horizontally arranged, wherein a thermal spraying component, an inner surface roughening component and a transfer clamping component are respectively arranged on the square base 1.
The upper surface one side rigid coupling of square base 1 has electric cabinet 2, the top of electric cabinet 2 is equipped with selection case 3, the lower extreme of selection case 3 is inclined throat setting, be equipped with vibration screening mechanism in the selection case 3, vibration screening mechanism is including the stirring driving motor 4 of rigid coupling in selection case 3 outer top surface center, stirring driving motor 4's output shaft end downwards passes the case wall of selection case 3 and rigid coupling has intermediate junction plate 5, intermediate junction plate 5 hugs closely the interior top surface setting of selection case 3, the lower surface rigid coupling of intermediate junction plate 5 has vertical lift telescopic link 6, the lower part flexible end of lift telescopic link 6 is fixed with connecting seat 7, the rigid coupling has a plurality of centrosymmetric refining flabellum 8 on the perisporium of connecting seat 7, the below vibration of connecting seat 7 is equipped with screen frame 9, screen frame 9 is the square frame of level setting, the middle part rigid coupling of screen frame 9 has screening net 10.
A plurality of supporting blocks 11 which are symmetrical in center are fixedly connected to the circumferential side wall of the material selecting box 3 close to the lower part, vertical compression springs 12 are fixedly connected to the upper surface of each supporting block 11 respectively, and the upper ends of the compression springs 12 are fixedly connected to the lower surface of the screen frame 9.
A horizontal feeding pipe 13 is fixedly connected to the side wall of the material selecting box 3, and the tail end of the feeding pipe 13 extends to the upper part of the screening net 10.
Two groups of connecting support frames 14 are fixedly connected to opposite side walls of the electric cabinet 2, and the upper ends of the connecting support frames 14 of each group are fixedly connected to opposite side walls of the material selecting box 3 respectively.
The thermal spraying assembly comprises a raw material collecting pipe 15 which is horizontally arranged, the raw material collecting pipe 15 is arranged between the material selecting box 3 and the electric cabinet 2, a transition pipe 16 communicated with the material selecting box 3 is fixedly connected to the lower end of the material selecting box 3, and the lower end of the transition pipe 16 is fixedly connected to the raw material collecting pipe 15.
The raw material collecting pipe 15 is a half-way pipe with one end closed and the other end open, a three-way air inlet pipe 17 is fixedly connected on the closed end surface of the raw material collecting pipe 15, and an expansion nozzle 18 is fixedly connected on the open end of the raw material collecting pipe 15.
The upper surface of square base 1 still rigid coupling gas receiver 19 and air compressor 20, gas receiver 19 and air compressor 20 divide to locate the vertical both sides of electric cabinet 2, and the both ends of three-way intake pipe 17 horizontal tube part rigid coupling respectively communicate to gas receiver 19 and air compressor 20, are equipped with pressure valve 21 on the gas receiver 19, and the combustible gas that provides by gas receiver 19 and the compressed air that is pressed by air compressor 20 are led into raw materials collection pipe 15 through three-way intake pipe 17 to mix with nickel carbon compound powder collection therein.
The thermal spraying assembly further comprises a rotating sleeve 22 which is horizontally arranged, the rotating sleeve 22 is sleeved on the outer side of the raw material collecting pipe 15, the rotating sleeve 22 is a half-way pipe, a spraying pipe 23 is fixedly connected to the closed end face of the rotating sleeve 22, a plurality of central symmetrical hot-dip spraying nozzles 24 are fixedly connected to the circumferential outer wall of the spraying pipe 23, and the tail end of each hot-dip spraying nozzle 24 is communicated with the inner part of the spraying pipe 23.
The open end of the expansion nozzle 18 passes through the closed end face of the rotary sleeve 22 and extends into the spraying tube 23, and an electronic igniter 25 is fixedly connected to the inner end face of the spraying tube 23.
The open end of the swivel sleeve 22 is provided with a sealing plug 26.
The upper surface of square base 1 is pegged graft and is installed vertical support plate 27, and the intercommunication mouth 28 that can rotate the support to rotating sleeve 22 is seted up at vertical support plate 27's middle part.
The transmission ring 29 is fixedly connected to the peripheral wall of the rotating sleeve 22 close to the opening end, the rotating driving motor 30 is fixedly connected to the inner side wall of the vertical supporting plate 27 close to the lower part, an output shaft of the rotating driving motor 30 penetrates through the vertical supporting plate 27 and extends to the outer side of the vertical supporting plate, a vertical transmission wheel 31 is fixedly connected to the tail end of the output shaft of the rotating driving motor 30, the transmission wheel 31 is in interference transmission with the transmission ring 29, the rotating driving motor 30 can drive the transmission wheel 31 to rotate, torque is transmitted to the rotating sleeve 22 through the transmission ring 29, and the rotating driving motor rotates around the shaft, so that the rotating spraying to the inner peripheral wall of the pump cylinder is realized.
The middle part of the upper surface of the square base 1 is provided with a transverse sliding avoidance port 32, and two transversely extending sliding limiting grooves 33 are formed in two sides of the sliding avoidance port 32.
The transfer clamping assembly comprises a sliding middle rotary seat 34 which is horizontally arranged, the sliding middle rotary seat 34 is tightly attached to the upper surface of the square base 1, two symmetrical sliding driving blocks 35 are fixedly connected to two sides of the lower surface of the sliding middle rotary seat 34, and the sliding driving blocks 35 are slidably clamped in the sliding limiting grooves 33.
The center of the lower surface of the sliding middle rotary seat 34 is fixedly connected with a steering driving motor 36, the tail end of an output shaft of the steering driving motor 36 upwards passes through the sliding middle rotary seat 34 and is fixedly connected with a U-shaped steering clamping seat 37, and openings at two ends of the steering clamping seat 37 are respectively fixedly connected with a closed side plate 38.
Two clamping sliding blocks 39 sliding along the longitudinal direction are arranged in the steering clamping seat 37, clamping telescopic cylinders 40 are respectively arranged between the clamping sliding blocks 39 and the closed side plates 38, one ends of the clamping telescopic cylinders 40 are fixedly connected to the inner side walls of the closed side plates 38, and the other ends of the clamping telescopic cylinders are fixedly connected to the back surfaces of the clamping sliding blocks 39.
Two horizontal guide slide bars 41 are fixedly connected between the two closed side plates 38, and two clamping slide blocks 39 are respectively and slidably supported on the two guide slide bars 41.
The upper end of each clamping slide block 39 is fixedly connected with an arc-shaped clamping plate 42 respectively, and the whole processing clamping of the pump cylinder can be realized through the sliding butt joint of the two arc-shaped clamping plates 42.
Each sliding limiting groove 33 is respectively provided with a horizontal thread driving rod 43, the thread driving rods 43 transversely penetrate through and are connected with the sliding driving blocks 35 in a threaded mode, and two ends of each thread driving rod 43 are rotatably mounted on the transverse inner wall of each sliding limiting groove 33.
The upper surface of the square base 1 near the side edge is provided with a motor mounting groove 44, a sliding driving motor 45 is fixedly arranged in the motor mounting groove 44, and the sliding driving motor 45 is arranged opposite to the electric cabinet 2.
The upper surface of the square base 1 is also provided with a longitudinal transmission avoidance port 46 near the motor mounting groove 44, the output shaft of the sliding drive motor 45 penetrates through the side wall of the motor mounting groove 44 and extends into the transmission avoidance port 46, and the tail end of the output shaft of the sliding drive motor 45 is fixedly connected with a main transmission gear 47.
A secondary transmission gear 48 is coaxially and fixedly connected to the peripheral wall of a section of each thread driving rod 43 opposite to the transmission avoiding port 46, the secondary transmission gear 48 and the main transmission gear 47 are in meshed transmission, the main transmission gear 47 is driven by the sliding driving motor 45 to rotate, torque is transmitted to the secondary transmission gear 48 meshed with the main transmission gear 47 by the main transmission gear 47, so that the thread driving rods 43 are driven to rotate, and then the sliding driving block 35 transversely slides along the sliding limiting groove 33.
A dust cover 49 is arranged above the transmission avoiding opening 46, and the dust cover 49 is fixed on the square base 1.
The inner surface roughening assembly comprises a right-angle mounting plate 50 which is arranged along longitudinal extension, a sliding mounting opening 51 is formed in the longitudinal side end face of the square base 1, the sliding mounting opening 51 is arranged close to the transmission avoidance opening 46, the horizontal portion of the right-angle mounting plate 50 is arranged in the sliding mounting opening 51 in a sliding mode, the tail end of the horizontal portion of the right-angle mounting plate 50 is fixedly connected with a telescopic baffle plate 52, two sliding telescopic cylinders 53 are arranged between the telescopic baffle plate 52 and the square base 1, the fixed ends of the sliding telescopic cylinders 53 are fixedly connected to the inner side walls of the telescopic baffle plate 52, and the telescopic ends of the sliding telescopic cylinders 53 are fixedly connected to the longitudinal side end face of the square base 1.
The outer wall of the vertical part of the right-angle mounting plate 50 is fixedly connected with a stepping motor 54, the tail end of an output shaft of the stepping motor 54 penetrates through the side wall of the right-angle mounting plate 50 and is fixedly connected with a horizontal rotating column 55, a plurality of centrally symmetrical telescopic accommodating grooves 56 are formed in the peripheral wall of the rotating column 55, the telescopic accommodating grooves 56 extend along the axial direction of the rotating column 55, a plurality of electric control telescopic cylinders 57 are fixedly connected in each telescopic accommodating groove 56 at equal intervals along the axial direction, and the telescopic tail end of each electric control telescopic cylinder 57 is fixedly connected with a conical jacking head 58 respectively.
The rotation column 55 is at the same level as the arc-shaped clamping plate 42 and the spraying pipe 23.
The invention is used when in use: firstly, clamping a pump cylinder to be subjected to inner surface plating on a steering clamping seat 37 along the longitudinal direction, and clamping the pump cylinder through two arc-shaped clamping plates 42; starting a sliding driving motor 45, and driving the threaded driving rod 43 to rotate by the sliding driving motor 45 so as to drive the whole transfer clamping assembly to slide towards the inner surface roughening assembly, so that the pump barrel is translated to the inner surface roughening assembly and horizontally opposite to the rotating column 55; the sliding telescopic cylinder 53 is controlled to extend, the right-angle mounting plate 50 integrally slides longitudinally until the rotary column 55 enters the pump cylinder to a half position, the electric control telescopic cylinder 57 is controlled to extend radially along the rotary column 55, and the conical top pressure head 58 is used for carrying out inner hole pressing on the inner surface of the pump cylinder, so that the rough inner surface of the pump cylinder is obtained; after the primary jacking treatment is finished, starting the stepping motor 54, and repeating the jacking inner hole processing again after the stepping motor 54 drives the rotating column 55 to rotate for a certain angle; controlling the inner surface roughening component to reset; starting a steering driving motor 36, and driving a steering clamping seat 37 to rotate 90 degrees anticlockwise by the steering driving motor 36 so that one end of the pump cylinder, on which roughening processing of the inner surface is completed, faces the spraying pipe 23; starting the sliding driving motor 45 again, and driving the sliding middle rotary seat 34 clamped with the pump cylinder by the sliding driving motor 45 to slowly move towards the thermal spraying assembly; adding powdery nickel-carbon compound raw materials for surface plating into a material selecting box 3 from a material feeding pipe 13, starting a stirring driving motor 4, driving a material homogenizing fan blade 8 to rotate by the stirring driving motor 4, enabling uniform nickel-carbon compound powder to slide into a raw material collecting pipe 15 along a transition pipe 16 through a screening net 10, simultaneously starting an air compressor 20 and opening a pressure valve 21, enabling combustible gas and compressed air to be respectively introduced into the raw material collecting pipe 15 along a three-way air inlet pipe 17, enabling the nickel-carbon compound powder, the compressed air and the combustible gas to be mixed in the raw material collecting pipe 15 and carried to the tail end of a pipeline, and entering a spraying pipe 23 through an expansion nozzle 18; when the tail end of the pump cylinder approaches to the spraying pipe 23, the electronic igniter 25 ignites, the spraying raw material is subjected to controlled explosion in a small range in the spraying pipe 23, the heat generated by the explosion melts the nickel-carbon compound powder, and the molten or semi-molten plating material is adhered to the inner surface of the pump cylinder after being sprayed out through the hot-dip nozzle 24; in the spraying process, a rotary driving motor 30 is started, and the rotary driving motor 30 drives the rotary sleeve 22 and the spraying pipe 23 to rotate so as to perform circumferential spraying of full coverage; after the spraying is finished, the pump cylinder is controlled to retract and rotate 90 degrees anticlockwise again, and the rough surface machining and thermal spraying processes are repeated.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, not for limiting the same, and although the present invention has been described in detail with reference to the above embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may be modified or some or all of the technical features may be replaced with other technical solutions, and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present invention, and all the modifications or replacements are included in the scope of the claims and the specification of the present invention.
Claims (8)
1. Nickel-carbon compound plating processing device for inner hole surface of oil pump barrel, which is characterized in that: the device comprises a square base (1) which is horizontally arranged, wherein a thermal spraying assembly, an inner surface roughening assembly and a transfer clamping assembly are respectively arranged on the square base (1);
an electric cabinet (2) is fixedly connected to the upper surface of the square base (1), a material selecting box (3) is fixedly arranged above the electric cabinet (2), and a horizontal feeding pipe (13) is fixedly connected to the side wall of the material selecting box (3) in a communicating manner;
a transverse sliding avoidance opening (32) is formed in the middle of the upper surface of the square base (1), and two transversely extending sliding limiting grooves (33) are formed in two sides of the sliding avoidance opening (32);
the thermal spraying assembly comprises a raw material collecting pipe (15) which is horizontally arranged, a transition pipe (16) is fixedly connected to the lower end of the material selecting box (3), the lower end of the transition pipe (16) is fixedly connected to the raw material collecting pipe (15), the raw material collecting pipe (15) is a half-way pipe with one end closed and the other end open, and an expansion nozzle (18) is fixedly connected to the open end of the raw material collecting pipe (15);
the thermal spraying assembly further comprises a rotating sleeve (22) which is horizontally arranged, the rotating sleeve (22) is sleeved on the outer side of the raw material collecting pipe (15), the rotating sleeve (22) is a half-way pipe, a spraying pipe (23) is fixedly connected to the closed end face of the rotating sleeve (22), a plurality of central symmetry hot-dip spraying nozzles (24) are fixedly connected to the circumferential outer wall of the spraying pipe (23), and the tail end of each hot-dip spraying nozzle (24) is communicated with the inside of the spraying pipe (23);
the opening tail end of the expansion nozzle (18) penetrates through the closed end surface of the rotary sleeve (22) and extends into the spraying pipe (23), and an electronic igniter (25) is fixedly connected to the inner end surface of the spraying pipe (23);
the upper surface of the square base (1) is inserted and connected with a vertical supporting plate (27), and a communication port (28) capable of rotatably supporting the rotary sleeve (22) is formed in the middle of the vertical supporting plate (27);
a transmission ring (29) is fixedly connected to the peripheral wall, close to the opening end, of the rotating sleeve (22), a rotating driving motor (30) is fixedly connected to the inner side wall, close to the lower part, of the vertical supporting plate (27), an output shaft of the rotating driving motor (30) penetrates through the vertical supporting plate (27) and extends to the outer side of the vertical supporting plate, a vertical transmission wheel (31) is fixedly connected to the tail end of the output shaft of the rotating driving motor (30), the transmission wheel (31) is in abutting transmission with the transmission ring (29), the rotating driving motor (30) can drive the transmission wheel (31) to rotate, torque is transmitted to the rotating sleeve (22) through the transmission ring (29), and the rotating driving motor rotates around a shaft, so that the rotating spraying of the inner peripheral wall of the pump cylinder is realized;
the inner surface roughening assembly comprises a right-angle mounting plate (50), the right-angle mounting plate (50) is longitudinally and telescopically mounted on the square base (1), a stepping motor (54) is fixedly connected to the outer wall of the vertical part of the right-angle mounting plate (50), the tail end of an output shaft of the stepping motor (54) penetrates through the side wall of the right-angle mounting plate (50) and is fixedly connected with a horizontal rotating column (55), a plurality of telescopic accommodating grooves (56) which are symmetrical in center are formed in the peripheral wall of the rotating column (55), a plurality of electric control telescopic cylinders (57) are fixedly connected in the telescopic accommodating grooves (56) at equal intervals along the axial direction, and conical top pressure heads (58) are fixedly connected to the telescopic tail ends of the electric control telescopic cylinders (57) respectively;
the transfer clamping assembly comprises a sliding middle rotary seat (34) which is horizontally arranged, the sliding middle rotary seat (34) is tightly attached to the upper surface of the square base (1), two symmetrical sliding driving blocks (35) are fixedly connected to two sides of the lower surface of the sliding middle rotary seat (34), and the sliding driving blocks (35) are slidably clamped in the sliding limiting grooves (33);
a steering driving motor (36) is fixedly connected to the center of the lower surface of the sliding middle rotary seat (34), and the tail end of an output shaft of the steering driving motor (36) upwards penetrates through the sliding middle rotary seat (34) and is fixedly connected with a U-shaped steering clamping seat (37);
two clamping sliding blocks (39) sliding longitudinally are arranged in the steering clamping seat (37), and an arc-shaped clamping plate (42) is fixedly connected to the upper end of each clamping sliding block (39) respectively.
2. The nickel-carbon compound plating processing device for the inner hole surface of the pump barrel of the oil-well pump according to claim 1, wherein the device comprises the following components: two groups of connecting support frames (14) are fixedly connected to opposite side walls of the electric cabinet (2), and the upper ends of each group of connecting support frames (14) are fixedly connected to opposite side walls of the material selecting box (3) respectively;
the lower extreme of selecting bin (3) is inclined throat setting, be equipped with vibration screening mechanism in selecting bin (3), vibration screening mechanism including rigid coupling in stirring driving motor (4) at the outer top surface center of selecting bin (3), stirring driving motor (4) output shaft end downwards passes the box wall of selecting bin (3) and rigid coupling have intermediate junction plate (5), intermediate junction plate (5) hugs closely the interior top surface setting of selecting bin (3), the lower surface rigid coupling of intermediate junction plate (5) has vertical lift telescopic link (6), the lower part flexible end of lift telescopic link (6) is fixed with connecting seat (7), rigid coupling has a plurality of centrosymmetric refining flabellums (8) on the perisporium of connecting seat (7), the below vibration of connecting seat (7) is equipped with screen frame (9), screen frame (9) are square frame that the level set up, screen frame (9) middle part rigid coupling has screening net (10);
a plurality of supporting blocks (11) which are symmetrical in center are fixedly connected to the circumferential side wall, close to the lower portion, of the material selecting box (3), vertical compression springs (12) are fixedly connected to the upper surface of each supporting block (11) respectively, and the upper ends of the compression springs (12) are fixedly connected to the lower surface of the screen frame (9).
3. The nickel-carbon compound plating processing device for the inner hole surface of the pump barrel of the oil-well pump according to claim 1, wherein the device comprises the following components: the two ends of the steering clamping seat (37) are respectively and fixedly connected with a closed side plate (38), a clamping telescopic cylinder (40) is arranged between the clamping sliding block (39) and the closed side plates (38), one end of the clamping telescopic cylinder (40) is fixedly connected to the inner side wall of the closed side plate (38), and the other end of the clamping telescopic cylinder is fixedly connected to the back surface of the clamping sliding block (39).
4. The nickel-carbon compound plating processing device for the inner hole surface of the pump barrel of the oil-well pump according to claim 1, wherein the device comprises the following components: each sliding limit groove (33) is respectively provided with a horizontal thread driving rod (43), the thread driving rods (43) transversely penetrate through and are in threaded connection with the sliding driving blocks (35), and two ends of each thread driving rod (43) are rotatably arranged on the transverse inner wall of each sliding limit groove (33).
5. The nickel-carbon compound plating processing device for the inner hole surface of the pump barrel of the oil-well pump according to claim 4, wherein the device comprises: a motor mounting groove (44) is formed in the edge of the side of the upper surface of the square base (1), a sliding driving motor (45) is fixedly arranged in the motor mounting groove (44), and the sliding driving motor (45) and the electric cabinet (2) are oppositely arranged;
a longitudinal transmission avoidance port (46) is further formed in the upper surface of the square base (1) close to the motor mounting groove (44), an output shaft of the sliding driving motor (45) penetrates through the side wall of the motor mounting groove (44) and extends into the transmission avoidance port (46), and a main transmission gear (47) is fixedly connected to the tail end of the output shaft of the sliding driving motor (45);
every coaxial rigid coupling has vice drive gear (48) on the perisporium of screw drive pole (43) respectively, vice drive gear (48) are located in transmission dodges mouth (46), vice drive gear (48) with meshing transmission between main drive gear (47), sliding drive motor (45) drive main drive gear (47) rotate, main drive gear (47) are given with torque transmission and are meshed vice drive gear (48) to drive screw drive pole (43) rotation, make sliding drive piece (35) transversely slide along sliding limiting groove (33).
6. The nickel-carbon compound plating processing device for the inner hole surface of the pump barrel of the oil pump according to claim 5, wherein the nickel-carbon compound plating processing device is characterized in that: the square base (1) is characterized in that a sliding mounting opening (51) is formed in the longitudinal side end face of the square base (1), the sliding mounting opening (51) is close to the transmission avoidance opening (46), the horizontal portion of the right-angle mounting plate (50) is slidably arranged in the sliding mounting opening (51), a telescopic baffle (52) is fixedly connected to the tail end of the horizontal portion of the right-angle mounting plate (50), two sliding telescopic cylinders (53) are arranged between the telescopic baffle (52) and the square base (1), the fixed ends of the sliding telescopic cylinders (53) are fixedly connected to the inner side walls of the telescopic baffle (52), and the telescopic ends of the sliding telescopic cylinders (53) are fixedly connected to the longitudinal side end face of the square base (1).
7. The nickel-carbon compound plating processing device for the inner hole surface of the pump barrel of the oil-well pump according to claim 1, wherein the device comprises the following components: the utility model discloses a three-way air inlet pipe is characterized in that a three-way air inlet pipe (17) is fixedly connected on the closed end face of a raw material collecting pipe (15), an air storage cylinder (19) and an air compressor (20) are fixedly connected on the upper surface of a square base (1), the air storage cylinder (19) and the air compressor (20) are respectively arranged on the two longitudinal sides of an electric cabinet (2), and two ends of a horizontal pipe part of the three-way air inlet pipe (17) are fixedly connected and communicated to the air storage cylinder (19) and the air compressor (20) respectively.
8. The nickel-carbon compound plating processing device for the inner hole surface of the pump barrel of the oil-well pump according to claim 1, wherein the device comprises the following components: the rotating column (55) and the arc-shaped clamping plate (42) are positioned at the same horizontal height with the spraying pipe (23).
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| CN202311166986.5A CN116904906B (en) | 2023-09-12 | 2023-09-12 | Nickel-carbon compound plating processing device for inner hole surface of pump barrel of oil pump |
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| CN202311166986.5A CN116904906B (en) | 2023-09-12 | 2023-09-12 | Nickel-carbon compound plating processing device for inner hole surface of pump barrel of oil pump |
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| CN117283297A (en) * | 2023-11-24 | 2023-12-26 | 新疆坤隆石油装备有限公司 | Combined assembly line of tubing pump and assembly thereof |
| CN117431387A (en) * | 2023-12-22 | 2024-01-23 | 新疆坤隆石油装备有限公司 | Processing production line for heat treatment of tubing pump assembly |
| CN117772503A (en) * | 2024-02-26 | 2024-03-29 | 山东鑫马精密传动有限公司 | Paint spraying device for rust prevention treatment of surface of transmission shaft |
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| CN116904906B (en) | 2023-12-05 |
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