CN211733040U - Oil tank following mechanism - Google Patents
Oil tank following mechanism Download PDFInfo
- Publication number
- CN211733040U CN211733040U CN201922244365.XU CN201922244365U CN211733040U CN 211733040 U CN211733040 U CN 211733040U CN 201922244365 U CN201922244365 U CN 201922244365U CN 211733040 U CN211733040 U CN 211733040U
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- Prior art keywords
- mounting plate
- oil tank
- aluminum profile
- cylinder
- fixed
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- Expired - Fee Related
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- 230000007246 mechanism Effects 0.000 title claims abstract description 27
- 230000000903 blocking effect Effects 0.000 claims abstract description 51
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 38
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 38
- 238000003466 welding Methods 0.000 claims abstract description 30
- 229910052751 metal Inorganic materials 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 239000002828 fuel tank Substances 0.000 claims 2
- 125000006850 spacer group Chemical group 0.000 claims 2
- 239000003921 oil Substances 0.000 abstract description 50
- 238000004519 manufacturing process Methods 0.000 abstract description 11
- 239000000725 suspension Substances 0.000 description 9
- 230000001133 acceleration Effects 0.000 description 6
- 238000010009 beating Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 230000004888 barrier function Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000002195 synergetic effect Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000001815 facial effect Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
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Abstract
The utility model discloses an oil tank follower which is fixedly arranged on an upper oil tank trolley and comprises a welding bracket, a two-position five-way solenoid valve, a tension balancer, a 40 x 80 aluminum profile, a cylinder mounting plate, a blocking cylinder, a blocking pin, a hanging hole, a baffle, a guide rail slider, an exhaust throttle valve, a limit mounting plate, a hard limit bolt, a buffer, an electronic ruler and a pull plate; the welding support is fixedly arranged on the oil tank trolley, and one end of the 40 x 80 aluminum profile is horizontally fixed at the top end of the welding support; the guide rail sliding block is arranged on the upper surface of the 40 × 80 aluminum profile, the cylinder mounting plate is fixed above the guide rail sliding block, the blocking cylinder is arranged on the cylinder mounting plate, and the blocking pin is fixed at the front end of the blocking cylinder; the pulling plate is fixed below the cylinder mounting plate. The utility model discloses an oil tank retinue mechanism can realize the high accuracy retinue, can accurately know the positional deviation who oils between case dolly and the locking device, can realize the automated production that old hangs the line locking device.
Description
Technical Field
The utility model relates to an automobile manufacturing field, in particular to oil tank retinue mechanism.
Background
In the production process of the automobile, all the components are assembled on a production line, the production line is a suspension chain line, a newspaper tool is arranged on the suspension chain line, and a conveying structure of an automobile chassis is held on a holding tool. Most of the existing automobile production lines are not updated, the production lines are old, and under the structure, the consistency of each holding tool is poor, and frequent irregular shaking and jittering exist. In the high-precision and high-efficiency automation era, the realization of full automation of the conveying line is a very great challenge.
Present automatic oil tank equipment that oils also is an automation project on this transfer chain, has a key point in the oil tank facial make-up project, and it is the retinue to hang the line body that the line formula operation is, just can not stop after starting work, goes up the oil tank and just must follow the line body along with vehicle chassis and go forward, still need under the condition of retinue at present relatively poor precision, can cause bigger challenge for the automation. At present, no related technology for carrying out oil tank suspension following is available for solving the technical problems.
The oil tank following mechanism is needed to solve the technical problems, and can realize high-precision following on an unstable chain suspension line, accurately know the deviation of the relative position between an upper oil tank trolley and a holding tool and realize automatic production of the old suspension line holding tool.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides an oil tank retinue mechanism, the utility model discloses an oil tank retinue mechanism can realize the high accuracy retinue, can accurately know the positional deviation who oils between case dolly and the locking device, can realize the automated production of old suspension wire locking device.
The utility model discloses a solve above-mentioned technical problem through following technical scheme:
the utility model provides an oil tank following mechanism which is fixedly arranged on an upper oil tank trolley and comprises a welding bracket, a two-position five-way solenoid valve, a tension balancer, a 40 x 80 aluminum profile, a cylinder mounting plate, a blocking cylinder, a blocking pin, a hanging hole, a baffle, a guide rail slider, an exhaust throttle valve, a limit mounting plate, a hard limit bolt, a buffer, an electronic ruler and a pull plate; the welding support is fixedly arranged on the oil tank trolley, and one end of the 40-80 aluminum profile is horizontally fixed at the top end of the welding support; the guide rail sliding block is arranged on the upper surface of the 40 x 80 aluminum profile, the cylinder mounting plate is fixed above the guide rail sliding block, the blocking cylinder is arranged on the cylinder mounting plate, and the blocking pin is fixed at the front end of the blocking cylinder; the pulling plate is fixed below the cylinder mounting plate; the lifting eye is fixedly arranged on the side edge of the cylinder mounting plate close to the welding bracket; the exhaust throttle valve is mounted on the blocking cylinder; the limiting mounting plate is defined on the upper surface of the 40-by-80 aluminum profile, the limiting mounting plate is close to the top end of the welding bracket, the hard limiting bolt and the buffer are fixed on the limiting mounting plate, and the hard limiting bolt is located above the buffer; the electronic ruler is arranged on the side edge of the 40 x 80 aluminum profile; the baffle is arranged on the upper surface of the 40 x 80 aluminum profile, and the baffle is positioned at the end point of the 40 x 80 aluminum profile far away from the top end of the welding bracket; the tension balancer is arranged above the 40-80 aluminum profile, is positioned at the top end of the welding bracket and is connected with the lifting eye through a pull rope.
The utility model discloses in, the welding stent is as the installation carrier of other parts to realize being connected of oil tank retinue mechanism and locking device.
The utility model discloses in, two five-way solenoid valves are the field conventionality for realize PLC control system to the control that blocks the cylinder, in order to realize blocking the flexible of cylinder.
In the utility model, the tension balancer is used for pulling the cylinder mounting plate back to the original point through the pull rope after the oil tank is mounted;
preferably, the oil tank following mechanism further comprises a balancer mounting plate, a plurality of mounting plate cushion blocks and a balancer mounting bracket, the balancer mounting bracket is fixed on the upper surface of the 40 × 80 aluminum profile through bolts, the mounting plate cushion blocks are fixed between the balancer mounting plate and the balancer mounting bracket, the balancer mounting plate is fixed on the 40 × 80 aluminum profile through bolts, and the tension balancer is fixedly mounted on the balancer mounting plate; the installation mode can realize the horizontal fixation of the tension balancer to the maximum extent;
preferably, the top of welding stent still overlaps and is equipped with the panel beating housing, the panel beating housing can be right the pulling force equalizer plays the guard action to promote whole device's pleasing to the eye degree.
In the present invention, the 40 x 80 aluminum profile is conventional in the art and is used as a mounting carrier for other components.
In the utility model, the cylinder mounting plate is used as a mounting carrier of the blocking cylinder;
preferably, a safety plate and a safety sensor are further fixed below the cylinder mounting plate, the safety plate and the safety sensor are conventional in the field, and the safety plate and the safety sensor realize protection of the whole device through synergistic effect of the safety plate and the safety sensor.
The utility model discloses in, block that the cylinder is used for driving the back-and-forth movement that blocks the round pin, block the round pin and can block the locking device when stretching out, block the round pin and break away from the locking device during the withdrawal.
The utility model discloses in, block that the round pin stops at the front end of locking device, along with the removal realization of locking device removes.
The utility model discloses in, the lifting eye is used for realizing the connection of pulling force equalizer and cylinder mounting panel.
The utility model discloses in, the baffle is used for preventing droing of guide rail slider.
The utility model discloses in, the guide rail slider is used for realizing blockking that the round pin can slide the removal along with the locking device front and back.
The utility model discloses in, the exhaust choke valve is used for realizing the control to blockking the flexible speed of cylinder to reduce the motion and strike.
The utility model discloses in, spacing mounting panel is used for installing hard spacing bolt and buffer to prevent coming off of rail block.
The utility model discloses in, hard spacing bolt's effect lies in, blocks that the round pin is being pulled back by the pulling force equalizer, through hard spacing bolt keeps off at the initial point position.
The utility model discloses in, the effect of buffer lies in, and the cylinder mounting panel is being pulled back the back by the stay cord, because speed is very fast, cushions through the buffer, reduces the impact force to protective apparatus.
In the utility model, the electronic ruler is used for measuring the distance of the stop pin driven by the holding tool, comparing the set position distance, transmitting data to the PLC control system, and controlling the acceleration and deceleration of the oil box trolley according to actual requirements;
preferably, the oil tank following mechanism further comprises an electronic ruler mounting plate, the electronic ruler mounting plate is fixed on the side edge of the 40 x 80 aluminum profile, and the electronic ruler is fixed on the electronic ruler mounting plate.
The utility model discloses in, the pulling plate can let the range finding rope of electronic ruler and the stop gear on upper portion have the position relation of relatively fixed, and what slides above ensuring, the range finding rope of electronic ruler just can remove what.
The utility model discloses an oil tank retinue mechanism's operation flow does: when the holding tool comes, the PCL control system controls the blocking cylinder to extend out by controlling the two-position five-way solenoid valve, the blocking cylinder extends out while the blocking pin mounted at the front end of the PCL control system extends out, the blocking pin blocks at the front end of the holding tool, then the holding tool drives the blocking pin to move forwards, the distance measuring rope of the electronic ruler is pulled simultaneously when the holding tool moves forwards, the electronic ruler feeds back the moving distance to the PLC control system by the moving distance of the distance measuring rope, the PLC control system judges whether the motor of the oil tank loading trolley needs to be accelerated or decelerated by the distance fed back by the electronic ruler, and the follow-up is realized by matching with the acceleration and deceleration of the suspension line of the whole holding tool through continuous acceleration; after the trolley moves to a certain distance, the oil tank loading trolley finishes oil tank loading operation for one trolley, and the PLC control system controls the blocking cylinder to drive the blocking pin to retract by controlling the two-position five-way solenoid valve, so that the trolley does not follow the oil tank; after the stop pin retracts, the tension balancer pulls all the parts which are driven by the holding tool to slide out of the guide rail sliding block back to the original point through the pull rope, and in the pulling back process, due to the fact that the speed is high, when the parts are close to the original point, the parts firstly collide with the buffer to decelerate, then slowly stop at the front end of the hard limiting bolt, and complete operation is completed.
The utility model discloses an actively advance the effect: the utility model discloses an oil tank retinue mechanism can realize the high accuracy retinue, can accurately know the positional deviation who oils between case dolly and the locking device, can realize the automated production that old hangs the line locking device.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic view of a main structure of an oil tank following mechanism according to an embodiment of the present invention;
fig. 2 is a schematic overall structure diagram of an oil tank following mechanism according to an embodiment of the present invention;
fig. 3 is a cross-sectional view of an oil tank following mechanism according to an embodiment of the present invention;
fig. 4 is a schematic view of a part of the structure of the embodiment of the present invention.
Description of reference numerals:
1. welding a bracket; 2. 40 x 80 aluminum profiles;
3. a blocking cylinder; 31. a blocking pin;
32. an exhaust throttle valve; 4. a cylinder mounting plate;
41. lifting eyes; 42. pulling the movable plate;
43. a security pane; 44. a safety sensor;
5. a guide rail slider; 6. a limiting mounting plate;
61. a hard limit bolt; 62. a buffer;
7. a baffle plate; 8. an electronic ruler;
81. an electronic ruler mounting plate; 9. a sheet metal housing;
10. a tension balancer; 11. a two-position five-way solenoid valve;
12. a balancer mounting bracket; 13. installing a plate cushion block;
14. a balancer mounting plate.
Detailed Description
The following description will further describe embodiments of the present invention with reference to the accompanying drawings and examples. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
As shown in fig. 1, 2, 3 and 4, the present embodiment provides an oil tank following mechanism, which is fixedly mounted on an upper oil tank trolley, and includes a welding bracket 1, a two-position five-way electromagnetic valve 11, a tension balancer 10, a 40 x 80 aluminum profile 2, a cylinder mounting plate 4, a blocking cylinder 3, a blocking pin 31, a hanging eye 41, a baffle 7, a guide rail slider 5, an exhaust throttle valve 32, a limit mounting plate 6, a hard limit bolt 61, a buffer 62, an electronic ruler 8 and a pulling plate 42; the welding support 1 is fixedly arranged on the oil tank trolley, and one end of the 40 x 80 aluminum profile 2 is horizontally fixed at the top end of the welding support 1; the guide rail sliding block 5 is arranged on the upper surface of the 40 × 80 aluminum profile 2, the cylinder mounting plate 4 is fixed above the guide rail sliding block 5, the blocking cylinder 3 is arranged on the cylinder mounting plate 4, and the blocking pin 31 is fixed at the front end of the blocking cylinder 3; the pulling plate 42 is fixed below the cylinder mounting plate 4; the lifting eye 41 is fixedly arranged on the side edge of the cylinder mounting plate 4 close to the welding bracket 1; the exhaust throttle valve 32 is mounted on the barrier cylinder 3; the limiting mounting plate 6 is specified on the upper surface of the 40 x 80 aluminum profile 2, the limiting mounting plate 6 is close to the top end of the welding bracket 1, the hard limiting bolt 61 and the buffer 62 are fixed on the limiting mounting plate 6, and the hard limiting bolt 61 is positioned above the buffer 62; the electronic ruler 8 is arranged on the side edge of the 40-80 aluminum profile 2; the baffle 7 is arranged on the upper surface of the 40 × 80 aluminum profile 2, and the baffle 7 is positioned at the end point of the 40 × 80 aluminum profile 2 far away from the top end of the welding bracket 1; the tension balancer 10 is arranged above the 40 x 80 aluminum profile 2, the tension balancer 10 is located at the top end of the welding bracket 1, and the tension balancer 10 is connected with the hanging eye 41 through a pull rope.
In this embodiment, the welding bracket 1 serves as an installation carrier for other components, and the connection between the oil tank following mechanism and the holding tool is realized.
In this embodiment, the two-position five-way solenoid valve 11 is used for controlling the blocking cylinder 3 by the PLC control system, so as to realize the extension and retraction of the blocking cylinder 3.
In the embodiment, the tension balancer 10 is used for pulling the cylinder mounting plate 4 back to the original point through the pull rope after the oil tank is mounted; the oil tank following mechanism further comprises a balancer mounting plate 14, two mounting plate cushion blocks 13 and a balancer mounting bracket 12, the balancer mounting bracket 12 is fixed on the upper surface of the 40 x 80 aluminum profile 2 through bolts, the mounting plate cushion blocks 13 are fixed between the balancer mounting plate 14 and the balancer mounting bracket 12, the balancer mounting plate 14 is fixed on the 40 x 80 aluminum profile 2 through bolts, and the tension balancer 10 is fixedly mounted on the balancer mounting plate 14; the installation manner can maximally realize the horizontal fixation of the tension balancer 10;
the top of welding stent 1 still overlaps and is equipped with panel beating housing 9, and panel beating housing 9 can play the guard action to tension balancer 10 to promote whole device's pleasing to the eye degree.
In this embodiment, the 40 × 80 aluminum profiles are used as mounting carriers for other components.
In the present embodiment, the cylinder mounting plate 4 is used as a mounting carrier for the barrier cylinder 3; a safety plate 43 and a safety sensor 44 are further fixed below the cylinder mounting plate 4, and the protection of the whole device is realized through the synergistic effect of the safety plate 43 and the safety sensor 44, specifically, when the movement of the safety plate 43 exceeds a set position, the safety sensor 44 is touched, the device alarm is triggered, the blocking pin 31 retracts, and therefore the protection of the device is realized.
In this embodiment, the blocking cylinder 3 is used to drive the blocking pin 31 to move back and forth, the blocking pin 31 can block the holding tool when the blocking cylinder extends out, and the blocking pin 31 is separated from the holding tool when the blocking cylinder retracts.
In this embodiment, the blocking pin 31 blocks the front end of the clamp, and moves along with the movement of the clamp.
In this embodiment, the hanging eye 41 is used to connect the tension balancer 10 and the cylinder mounting plate 4.
In this embodiment, the baffle 7 is used to prevent the rail slider 5 from falling off.
In this embodiment, the guide rail slider 5 is used to realize that the stop pin 31 can slide back and forth along with the clamp.
In the present embodiment, the exhaust throttle valve 32 is used to achieve control of the expansion and contraction speed of the barrier cylinder 3 so as to reduce the sport impact.
In this embodiment, the limit mounting plate 6 is used to mount the hard limit bolt 61 and the buffer 62, and prevent the rail block 5 from falling off.
In this embodiment, the hard limit bolt 61 functions to stop the stopper pin 31 at the original position by the hard limit bolt 61 after being pulled back by the tension balancer 10.
In this embodiment, the buffer 62 is used to buffer the cylinder mounting plate 4 by the buffer 62 after being pulled back by the pull rope due to its high speed, so as to reduce the impact force and protect the device.
In the embodiment, the electronic ruler 8 is used for measuring the distance between the stop pin 31 and the clamp, comparing the set position distance, transmitting data to the PLC control system, and controlling the acceleration and deceleration of the trolley of the oil tank according to actual requirements; the oil tank pallet still includes electronic ruler mounting panel 81, and electronic ruler mounting panel 81 is fixed in 40 × 80 aluminium alloy 2's side, and electronic ruler 8 is fixed in on the electronic ruler mounting panel 81.
In this embodiment, the pull plate 42 allows the distance measuring string of the electronic ruler 8 to be in relatively fixed positional relation with the upper blocking mechanism, so as to ensure that the distance measuring string of the electronic ruler 8 can be moved by a certain amount when the upper surface slides.
The operation flow of the oil tank accompanying mechanism of the embodiment is as follows: when the holding tool comes, the PCL control system controls the blocking cylinder to extend out by controlling the two-position five-way solenoid valve, the blocking cylinder extends out while the blocking pin mounted at the front end of the PCL control system extends out, the blocking pin blocks at the front end of the holding tool, then the holding tool drives the blocking pin to move forwards, the distance measuring rope of the electronic ruler is pulled simultaneously when the holding tool moves forwards, the electronic ruler feeds back the moving distance to the PLC control system by the moving distance of the distance measuring rope, the PLC control system judges whether the motor of the oil tank loading trolley needs to be accelerated or decelerated by the distance fed back by the electronic ruler, and the follow-up is realized by matching with the acceleration and deceleration of the suspension line of the whole holding tool through continuous acceleration; after the trolley moves to a certain distance, the oil tank loading trolley finishes oil tank loading operation for one trolley, and the PLC control system controls the blocking cylinder to drive the blocking pin to retract by controlling the two-position five-way solenoid valve, so that the trolley does not follow the oil tank; after the stop pin retracts, the tension balancer pulls all the parts which are driven by the holding tool to slide out of the guide rail sliding block back to the original point through the pull rope, and in the pulling back process, due to the fact that the speed is high, when the parts are close to the original point, the parts firstly collide with the buffer to decelerate, then slowly stop at the front end of the hard limiting bolt, and complete operation is completed.
The oil tank retinue mechanism of this embodiment can realize the high accuracy retinue, can accurately know the positional deviation between oil tank dolly and the locking device, can realize the automated production of old suspension line locking device.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. An oil tank following mechanism is fixedly arranged on an upper oil tank trolley and is characterized by comprising a welding bracket, a two-position five-way electromagnetic valve, a tension balancer, a 40 x 80 aluminum profile, an air cylinder mounting plate, a blocking air cylinder, a blocking pin, a hanging eye, a baffle, a guide rail sliding block, an exhaust throttle valve, a limiting mounting plate, a hard limiting bolt, a buffer, an electronic ruler and a pulling plate; the welding support is fixedly arranged on the oil tank trolley, and one end of the 40-80 aluminum profile is horizontally fixed at the top end of the welding support; the guide rail sliding block is arranged on the upper surface of the 40 x 80 aluminum profile, the cylinder mounting plate is fixed above the guide rail sliding block, the blocking cylinder is arranged on the cylinder mounting plate, and the blocking pin is fixed at the front end of the blocking cylinder; the pulling plate is fixed below the cylinder mounting plate; the lifting eye is fixedly arranged on the side edge of the cylinder mounting plate close to the welding bracket; the exhaust throttle valve is mounted on the blocking cylinder; the limiting mounting plate is defined on the upper surface of the 40-by-80 aluminum profile, the limiting mounting plate is close to the top end of the welding bracket, the hard limiting bolt and the buffer are fixed on the limiting mounting plate, and the hard limiting bolt is located above the buffer; the electronic ruler is arranged on the side edge of the 40 x 80 aluminum profile; the baffle is arranged on the upper surface of the 40 x 80 aluminum profile, and the baffle is positioned at the end point of the 40 x 80 aluminum profile far away from the top end of the welding bracket; the tension balancer is arranged above the 40-80 aluminum profile, is positioned at the top end of the welding bracket and is connected with the lifting eye through a pull rope.
2. The oil tank following mechanism according to claim 1, wherein the oil tank following mechanism comprises a balancer mounting plate, a plurality of mounting plate spacers and a balancer mounting bracket, the balancer mounting bracket is fixed on the upper surface of the 40 x 80 aluminum profile through bolts, the mounting plate spacers are fixed between the balancer mounting plate and the balancer mounting bracket, the balancer mounting plate is fixed on the 40 x 80 aluminum profile through bolts, and the tension balancer is fixedly mounted on the balancer mounting plate.
3. The oil tank follower of claim 1 wherein the top end of the welding bracket is sleeved with a sheet metal cover.
4. A tank follower according to claim 1, wherein a safety plate and a safety sensor are fixed to a lower portion of said cylinder mounting plate.
5. A fuel tank travel mechanism according to claim 1, wherein the fuel tank travel mechanism includes an electronic ruler mounting plate secured to the side of the 40 x 80 aluminum profile, the electronic ruler being secured to the electronic ruler mounting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922244365.XU CN211733040U (en) | 2019-12-13 | 2019-12-13 | Oil tank following mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922244365.XU CN211733040U (en) | 2019-12-13 | 2019-12-13 | Oil tank following mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211733040U true CN211733040U (en) | 2020-10-23 |
Family
ID=72869829
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922244365.XU Expired - Fee Related CN211733040U (en) | 2019-12-13 | 2019-12-13 | Oil tank following mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211733040U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115318751A (en) * | 2022-08-09 | 2022-11-11 | 上海剑平动平衡机制造有限公司 | Dust suction device for balancing machining position |
-
2019
- 2019-12-13 CN CN201922244365.XU patent/CN211733040U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115318751A (en) * | 2022-08-09 | 2022-11-11 | 上海剑平动平衡机制造有限公司 | Dust suction device for balancing machining position |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201023 |