CN210614156U - Steel pipe painting device - Google Patents
Steel pipe painting device Download PDFInfo
- Publication number
- CN210614156U CN210614156U CN201921073269.7U CN201921073269U CN210614156U CN 210614156 U CN210614156 U CN 210614156U CN 201921073269 U CN201921073269 U CN 201921073269U CN 210614156 U CN210614156 U CN 210614156U
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- Prior art keywords
- plate
- fixed
- block
- steel pipe
- vertical plate
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 45
- 239000010959 steel Substances 0.000 title claims abstract description 45
- 238000010422 painting Methods 0.000 title claims abstract description 24
- 239000003973 paint Substances 0.000 claims abstract description 33
- 238000003860 storage Methods 0.000 claims abstract description 23
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 17
- 238000005096 rolling process Methods 0.000 claims abstract description 12
- 239000002699 waste material Substances 0.000 abstract description 4
- 230000006378 damage Effects 0.000 abstract description 2
- 238000009435 building construction Methods 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 229910000975 Carbon steel Inorganic materials 0.000 description 2
- 239000010962 carbon steel Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005098 hot rolling Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Spray Control Apparatus (AREA)
Abstract
The utility model relates to the field of building construction, in particular to a steel pipe painting device, which comprises a base, a support plate, a transverse plate, a first vertical plate, a first motor, a first conical block, a first T-shaped chute, a first T-shaped slide block, a second vertical plate, a threaded rod and a second conical block, wherein the first conical block and the second conical block form a steel pipe clamping structure through reasonable design, the steel pipe painting device also comprises a support plate, a trapezoidal block, a rack, a second T-shaped chute and a second T-shaped slide block, the structure forms a sliding platform for a paint storage tank, and the sliding of the paint storage tank and the painting work for the steel pipe are realized through a rolling brush, an L-shaped plate, a second motor, a half gear, a positioning groove, a mounting plate, a speed reducer, a ball and a second retaining ring, the steel pipe painting device provided by the utility model does not need manual painting and is even in painting, and can not cause a great deal of waste, avoids the harm to human health and the pollution to the environment, and has high working efficiency.
Description
Technical Field
The utility model relates to a construction field, concretely relates to steel pipe mopping device.
Background
The steel pipe for the building can be divided into seamless steel pipe and seamed steel pipe according to having the seam to be seamless, and seamed steel pipe divide into spiral steel pipe and straight seam steel pipe again according to the difference of welding seam, and the two is piled in the building, and the structure, the steel construction, the bearing, the aspect such as drainage is used very generally, and the material mainly has carbon steel, stainless steel, alloy steel, and wherein carbon steel material uses most generally, and the seamless steel pipe of building can divide into according to production method: hot rolling seamless pipes, cold drawn pipes, precision steel pipes, hot expanded pipes, cold spun pipes, extruded pipes, etc., and hot rolled pipes are used in many construction industries. Wherein the japanning work of building steel pipe is mostly manual operation at present, wastes time and energy, and operational environment is poor, is unfavorable for that the staff's is healthy to there is the inhomogeneous condition of spraying paint, and sprays paint and can lead to a large amount of wastes of paint, and the spraying diffusion area is big, and is great to environment, human injury.
SUMMERY OF THE UTILITY MODEL
To the technical problem who exists among the prior art, the utility model aims to provide a steel pipe mopping device, in order to realize above-mentioned purpose, the utility model discloses the technical scheme who adopts does:
a steel pipe painting device comprises a base, wherein support plates are symmetrically fixed on two sides of the top surface of the base respectively, a transverse plate is fixed at the top end of each support plate, a first vertical plate is fixed on one side of the bottom surface of each transverse plate, a first motor is fixedly installed on the side wall of each first vertical plate, the output end of each first motor penetrates through each first vertical plate and is fixedly connected with a first conical block, the output end of each first motor is rotatably connected with the contact part of each first vertical plate, a first T-shaped sliding groove is transversely formed in the bottom surface of each transverse plate, a first T-shaped sliding block is slidably arranged in each first T-shaped sliding groove, the bottom end of each first T-shaped sliding block extends out of each first T-shaped sliding groove and is fixedly connected with a second vertical plate, each second vertical plate is arranged in parallel to the first vertical plates, a first rotating block and a second rotating block are embedded in each second vertical plate, and the first rotating, a threaded rod is fixed at the side end of the first rotating block, the other end of the threaded rod penetrates through the support plate and is fixed with a handle, the threaded rod is in threaded connection with a contact part of the support plate, a rotating shaft is fixed at the side end of the second rotating block, a second tapered block is fixed at the other end of the rotating shaft, the tip of the second tapered block is opposite to the tip of the first tapered block, a support plate is fixedly arranged above the base, supporting legs are respectively fixed at four corners of the support plate, a plurality of trapezoidal blocks are fixed on the top surface of the support plate at equal intervals, a positioning groove is formed in the center of the top surface of each trapezoidal block, a rack is transversely fixed on the bottom surface of the support plate, a second T-shaped chute is transversely formed in the top surface of the support plate, two second T-shaped sliding blocks are slidably arranged in the second T-shaped chute, an L-shaped plate is fixed on one side of the paint storage tank, an installation plate is fixed on the side wall of a vertical plate of the L-shaped plate, a second motor is fixedly installed on the top surface of the installation plate, a speed reducer is arranged at the side end of the second motor, the speed reducer is fixedly installed on the installation plate, the input end of the speed reducer is fixedly connected with the output end of the second motor through a shaft coupling, the output end of the speed reducer penetrates through a vertical plate of the L-shaped plate and is fixedly connected with a half gear, the output end of the speed reducer is rotatably connected with a contact part of the L-shaped plate, the half gear is meshed with a rack, a connecting block is fixed at the top end of the other side of the paint storage tank, a square guide cylinder is fixed at the other end of the connecting block, the square guide cylinder is arranged on the surface of a, the ball bearing of fixing a position is used for holding and fixing a position to the constant head tank, square guide bar top is fixed with the baffle, baffle side department runs through and is equipped with square pole, square pole and baffle contact department sliding connection, square pole bottom mounting has the connecting rod, connecting rod fixed mounting has the round brush, the round brush setting is directly over the paint hold up tank.
Preferably, a stop block is fixed at the top end of the square rod, a spring is fixedly arranged between the stop block and the stop block, and the spring is sleeved on the square rod.
Preferably, the square rod is fixedly sleeved with a first check ring, the first check ring is arranged close to the lower part of the baffle, and the bottom end of the square guide rod is fixedly sleeved with a second check ring.
Preferably, the semi-circumference of the outer diameter of the semi-gear is equal to the distance between two adjacent positioning grooves.
Preferably, the first motor and the second motor are respectively electrically connected with a power supply through wires.
The utility model provides a pair of steel pipe painting device need not artifical mopping to it is even to spray paint, can not lead to a large amount of wastes of paint, avoids haring the health and to the pollution of environment, and work efficiency is high.
Drawings
FIG. 1 is a schematic structural view of a steel pipe painting apparatus of the present invention;
FIG. 2 is a cross-sectional view of a steel pipe painting apparatus A-A of the present invention;
in the figure 1, a base 2, a support plate 3, a transverse plate 4, a first vertical plate 5, a first motor 6, a first conical block 7, a first T-shaped sliding groove 8, a first T-shaped sliding block 9, a second vertical plate 10, a first rotating block 11, a threaded rod 12, a handle 13, a second rotating block 14, a rotating shaft 15, a second conical block 16, a support plate 17, a support leg 18, a trapezoidal block 19, a rack 20 and a second T-shaped sliding groove 21, the device comprises a second T-shaped sliding block 22, a paint storage groove 23, a connecting block 24, a square guide cylinder 25, a square guide rod 26, a baffle plate 27, a square rod 28, a stop block 29, a first retainer ring 30, a spring 31, a connecting rod 32, a rolling brush 33, an L-shaped plate 34, a second motor 35, a half gear 36, a positioning groove 37, a mounting plate 38, a speed reducer 39, a ball 40 and a second retainer ring.
Detailed Description
For further description of the steel pipe painting device of the present invention, the following description will be made with reference to the accompanying drawings.
In FIGS. 1-2: a steel pipe painting device comprises a base 1, wherein support plates 2 are symmetrically fixed on two sides of the top surface of the base 1 respectively, a transverse plate 3 is fixed at the top end of each support plate 2, a first vertical plate 4 is fixed on one side of the bottom surface of each transverse plate 3, a first motor 5 is fixedly installed on the side wall of each first vertical plate 4, the output end of each first motor 5 penetrates through each first vertical plate 4 and is fixedly connected with a first conical block 6, the output end of each first motor 5 is rotatably connected with the contact part of each first vertical plate 4, a first T-shaped sliding groove 7 is transversely formed in the bottom surface of each transverse plate 3, a first T-shaped sliding block 8 is slidably arranged in each first T-shaped sliding groove 7, a second vertical plate 9 is fixedly connected with the bottom end of each first T-shaped sliding block 8 and extends out of each first T-shaped sliding groove 7, each second vertical plate 9 is parallel to the first vertical plates 4, a first rotating block 10 and a second, the first rotating block 10 and the second rotating block 13 are rotatably connected with a contact part of the second vertical plate 9, a threaded rod 11 is fixed at the side end of the first rotating block 10, the other end of the threaded rod 11 penetrates through the support plate 2 and is fixed with a handle 12, the threaded rod 11 is in threaded connection with the contact part of the support plate 2, a rotating shaft 14 is fixed at the side end of the second rotating block 13, a second conical block 15 is fixed at the other end of the rotating shaft 14, the tip of the second conical block 15 is opposite to the tip of the first conical block 6, a support plate 16 is fixed above the base 1, supporting legs 17 are respectively fixed at four corners of the support plate 16, a plurality of trapezoidal blocks 18 are fixed at equal intervals on the top surface of the support plate 16, a positioning groove 36 is arranged at the center of the top surface of each trapezoidal block 18, a rack 19 is transversely fixed on the bottom surface of the support plate 16, and a, two second T-shaped sliding blocks 21 are arranged in the second T-shaped sliding grooves 20 in a sliding mode, the top ends of the two second T-shaped sliding blocks 21 extend out of the T-shaped sliding grooves 20 respectively and are fixedly connected with a paint storage groove 22, an L-shaped plate 33 is fixed on one side of the paint storage groove 22, a mounting plate 37 is fixed on the vertical plate side wall of the L-shaped plate 33, a second motor 34 is fixedly mounted on the top surface of the mounting plate 37, a speed reducer 38 is arranged at the side end of the second motor 34, the speed reducer 38 is fixedly mounted with the mounting plate 37, the input end of the speed reducer 38 is fixedly connected with the output end of the second motor 34 through a coupler, the output end of the speed reducer 38 penetrates through a half gear 35 fixedly connected with the vertical plate of the L-shaped plate 33, the output end of the speed reducer 38 is rotatably connected with the contact part of the L-shaped plate, the other end of the connecting block 23 is fixed with a square guide cylinder 24, the square guide cylinder 24 is arranged on the surface of a square guide rod 25 in a sliding manner, a ball 39 is embedded in the bottom end of the square guide rod 25, the ball 39 is in rolling connection with the contact part of the bottom end of the square guide rod 25, the positioning groove 36 is used for accommodating and positioning the ball 39, the half circumference of the outer diameter of the half gear 35 is equal to the distance between two adjacent positioning grooves 36, the top end of the square guide rod 25 is fixed with a baffle 26, the side end of the baffle 26 is provided with a square rod 27 in a penetrating manner, the contact part of the square rod 27 and the baffle 26 is in sliding connection, the top end of the square rod 27 is fixed with a stop 28, a spring 30 is fixedly arranged between the stop 28 and the baffle 26, the spring 30 is sleeved on the square rod 27, a first retainer ring 29 is fixedly sleeved on the square rod 27, the fixed cover in square guide bar 25 bottom department has second retaining ring 40, square pole 27 bottom is fixed with connecting rod 31, connecting rod 31 fixed mounting has round brush 32, round brush 32 sets up directly over paint hold up tank 22, first motor 5 and second motor 34 are respectively through wire and power electric connection.
The working principle is as follows: when the device is used, firstly, a steel pipe needing to be painted is manually taken between the first conical block 6 and the second conical block 15, then the threaded rod 11 is screwed by the handle 12, the second vertical plate 9 moves towards the first vertical plate 4, the opposite tips of one ends of the first conical block 6 and the second conical block 15 respectively extend into the mouths of the two ends of the steel pipe, the inclined surfaces of the first conical block 6 and the second conical block 15 are abutted against the inner walls of the mouths of the steel pipe, so that the steel pipe is clamped and fixed between the first conical block 6 and the second conical block 15, the fixed installation work of the steel pipe is completed, then the second motor 34 is started, the output end of the second motor 34 rotates clockwise, so that the second motor 34 can drive the half gear 35 to rotate clockwise through the output end of the speed reducer 38, when the half gear 35 rotates clockwise, each time the half gear 35 is meshed with the rack 19, the half gear 35 drives the paint storage tank 22 to move towards the first vertical plate 4 through the L-shaped plate 33, so that when the paint storage tank 22 moves to the left end, the second motor 34 is closed, a proper amount of paint is poured into the paint storage tank 22, when the paint storage tank 22 moves to the left end, the ball 39 at the bottom end of the square guide rod 25 moves out of the positioning groove 36 on the top surface of the trapezoidal block 18 and slides down onto the top surface of the support plate 16 along the inclined surface of the trapezoidal block 18 under the self weight of the ball, when the square guide rod 25 descends, the roller brush 32 is driven to descend through the baffle 26 and the square rod 27, as the roller brush 32 is positioned right above the paint storage tank 22 before descending, the roller brush 32 enters the paint storage tank 22 when descending along with the square guide rod 25, and when the ball 39 at the bottom end of the square guide rod 25 is attached to the top surface of the support plate 16, the roller brush 32 is positioned at, at this time, the rolling brush 32 is located at the bottom position in the paint storage tank 22, so the rolling brush 32 is soaked in the paint storage tank 22, after the preparation work is done, the first motor 5 and the second motor 34 are simultaneously started, so that the second motor 34 rotates counterclockwise, so the first motor 5 drives the steel pipe clamped between the first tapered block 6 and the second tapered block 15 to rotate through the first tapered block 6, meanwhile, the second motor 34 drives the paint storage tank 22 to move towards the second vertical plate 9 through the half gear 35, when moving, the bottom end of the square guide rod 25 sequentially turns over a plurality of trapezoidal blocks 18 from left to right, when the ball 39 at the bottom end of the square guide rod 25 rolls into the positioning groove 36 at the top end of the trapezoidal block 18 along the inclined surface of the trapezoidal block 18, the half gear 35 just rotates for a circle, the semicircular tooth surface of the half gear 35 is just separated from the rack 19, at this time, because the half gear 35 is not meshed with the rack 19, so the paint storage tank 22 will pause for a period of time, and at this time, the ball 39 on the bottom end of the square guide rod 25 is just in the positioning groove 36 on the top end of the trapezoidal block 18, so the bottom end of the square guide rod 25 is at the uppermost position, the rolling brush 32 will be attached to the bottom end of the steel pipe when the bottom end of the square guide rod 25 is at the uppermost position, because the steel pipe rotates under the action of the first motor 5, the rolling brush 32 will rotate along with the steel pipe, and the rolling brush 32 will finish painting on the section of steel pipe, because of the arrangement of the spring 30 on the square rod 27, the rolling brush 32 is closely attached to the bottom end of the steel pipe under the action of the spring 30, the painting effect is effectively improved, when the half gear 35 is engaged with the rack 19 again, the paint storage tank 22 continues to move, because the half circumference of the half gear 35 is equal to the distance between two adjacent positioning grooves 36, the distance between the half gear 35 and the, therefore, when the half gear 35 and the rack 19 are separated at the next time, the balls 39 on the bottom end of the square guide rod 25 sequentially move out of the positioning grooves 36 and slide down along the inclined surface on the other side of the trapezoidal block 18, slide for a certain distance along the top surface of the support plate 16 and then slide into the positioning grooves 36 on the top end of the adjacent trapezoidal block 18 along the inclined surface of the trapezoidal block 18, the paint storage groove 22 stops for a certain time, the rolling brush 32 is attached to the bottom end of the steel pipe again after being infected with the paint in the paint storage groove 22 during the time, and the attached position is overlapped with the side end of the attached position last time, so that the painting work at two sides at intervals does not leave leakage points on the steel pipe, the painting effect of the steel pipe is effectively ensured, and the rolling brush 32 can effectively finish the painting work of the steel pipe one section by section through the intermittent motion of.
The foregoing is illustrative and explanatory of the inventive concept, and is not exhaustive or exhaustive, as is known in the art, and various modifications, additions and substitutions are possible, without departing from the scope and spirit of the invention as defined in the claims.
Claims (5)
1. A steel pipe painting device is characterized by comprising a base (1), wherein supporting plates (2) are symmetrically fixed on two sides of the top surface of the base (1) respectively, a transverse plate (3) is fixed at the top end of each supporting plate (2), a first vertical plate (4) is fixed on one side of the bottom surface of each transverse plate (3), a first motor (5) is fixedly installed on the side wall of each first vertical plate (4), the output end of each first motor (5) penetrates through the corresponding first vertical plate (4) and is fixedly connected with a first conical block (6), the contact part of the output end of each first motor (5) and the corresponding first vertical plate (4) is rotatably connected, a first T-shaped sliding groove (7) is transversely formed in the bottom surface of each transverse plate (3), a first T-shaped sliding block (8) is slidably arranged in the corresponding first T-shaped sliding groove (7), and a second vertical plate (9) is fixedly connected with the bottom end of each first T-shaped sliding block (8, the second vertical plate (9) and the first vertical plate (4) are arranged in parallel, a first rotating block (10) and a second rotating block (13) are embedded in the second vertical plate (9), the contact part of the first rotating block (10) and the second rotating block (13) and the second vertical plate (9) is in rotating connection, a threaded rod (11) is fixed at the side end of the first rotating block (10), the other end of the threaded rod (11) penetrates through the support plate (2) and is fixed with a handle (12), the contact part of the threaded rod (11) and the support plate (2) is in threaded connection, a rotating shaft (14) is fixed at the side end of the second rotating block (13), a second conical block (15) is fixed at the other end of the rotating shaft (14), the pointed end of the second conical block (15) is opposite to the pointed end of the first conical block (6), a support plate (16) is fixedly arranged above the base (1), and supporting legs (17) are respectively fixed at the four corners of the support plate (, a plurality of trapezoidal blocks (18) are fixed on the top surface of the supporting plate (16) at equal distances, a positioning groove (36) is formed in the center of the top surface of each trapezoidal block (18), a rack (19) is transversely fixed on the bottom surface of the supporting plate (16), a second T-shaped sliding groove (20) is transversely formed in the top surface of the supporting plate (16), two second T-shaped sliding blocks (21) are arranged in the second T-shaped sliding groove (20) in a sliding manner, the top ends of the two second T-shaped sliding blocks (21) respectively extend out of the T-shaped sliding grooves (20) and are fixedly connected with a paint storage groove (22), an L-shaped plate (33) is fixed on one side of the paint storage groove (22), a mounting plate (37) is fixed on the side wall of the vertical plate of the L-shaped plate (33), a second motor (34) is fixedly mounted on the top surface of the mounting plate (37), a speed reducer (38) is, the input end of the speed reducer (38) is fixedly connected with the output end of the second motor (34) through a coupler, the output end of the speed reducer (38) penetrates through a vertical plate fixedly connected with half gear (35) of an L-shaped plate (33), the output end of the speed reducer (38) is rotatably connected with the contact part of the L-shaped plate (33), the half gear (35) is meshed with a rack (19), a connecting block (23) is fixed at the top end of the other side of the paint storage tank (22), a square guide cylinder (24) is fixed at the other end of the connecting block (23), the square guide cylinder (24) is arranged on the surface of a square guide rod (25) in a sliding mode, a ball (39) is embedded into the bottom end of the square guide rod (25), the ball (39) is connected with the contact part of the bottom end of the square guide rod (25) in a rolling mode, a positioning groove (36) is used for containing and positioning the ball (39, baffle (26) side department runs through and is equipped with square pole (27), square pole (27) and baffle (26) contact department sliding connection, square pole (27) bottom mounting has connecting rod (31), connecting rod (31) fixed mounting has round brush (32), round brush (32) set up directly over paint hold up tank (22).
2. The steel pipe painting device according to claim 1, wherein a stopper (28) is fixed at the top end of the square rod (27), a spring (30) is fixedly arranged between the stopper (28) and the baffle (26), and the spring (30) is sleeved on the square rod (27).
3. The steel pipe painting device according to claim 1, wherein a first retainer ring (29) is fixedly sleeved on the square rod (27), the first retainer ring (29) is arranged immediately below the baffle plate (26), and a second retainer ring (40) is fixedly sleeved at the bottom end of the square guide rod (25).
4. A steel pipe painting apparatus according to claim 1, wherein the semi-circumference of the gear outer diameter of said half gear (35) is equal to the distance between two adjacent positioning grooves (36).
5. The steel pipe painting device according to claim 1, wherein the first motor (5) and the second motor (34) are electrically connected with a power supply through wires respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921073269.7U CN210614156U (en) | 2019-07-10 | 2019-07-10 | Steel pipe painting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921073269.7U CN210614156U (en) | 2019-07-10 | 2019-07-10 | Steel pipe painting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210614156U true CN210614156U (en) | 2020-05-26 |
Family
ID=70764134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921073269.7U Withdrawn - After Issue CN210614156U (en) | 2019-07-10 | 2019-07-10 | Steel pipe painting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210614156U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110355040A (en) * | 2019-07-10 | 2019-10-22 | 中国十七冶集团有限公司 | A kind of steel pipe mopping device and its application method |
| CN111871685A (en) * | 2020-07-16 | 2020-11-03 | 西安石油大学 | High-efficient processingequipment of large-scale bolt |
-
2019
- 2019-07-10 CN CN201921073269.7U patent/CN210614156U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110355040A (en) * | 2019-07-10 | 2019-10-22 | 中国十七冶集团有限公司 | A kind of steel pipe mopping device and its application method |
| CN110355040B (en) * | 2019-07-10 | 2024-06-28 | 中国十七冶集团有限公司 | Steel pipe paint brushing device and application method thereof |
| CN111871685A (en) * | 2020-07-16 | 2020-11-03 | 西安石油大学 | High-efficient processingequipment of large-scale bolt |
| CN111871685B (en) * | 2020-07-16 | 2021-05-07 | 西安石油大学 | High-efficient processingequipment of large-scale bolt |
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Legal Events
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20200526 Effective date of abandoning: 20240628 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20200526 Effective date of abandoning: 20240628 |