CN211440428U - Automatic device that shakeouts of sleeper mould cloth - Google Patents
Automatic device that shakeouts of sleeper mould cloth Download PDFInfo
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- CN211440428U CN211440428U CN201922279663.2U CN201922279663U CN211440428U CN 211440428 U CN211440428 U CN 211440428U CN 201922279663 U CN201922279663 U CN 201922279663U CN 211440428 U CN211440428 U CN 211440428U
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Abstract
The application discloses automatic device of shakeouts of sleeper mould cloth, the device include shaking table and removal shakeout subassembly, remove to shakeout the subassembly and be located mould supply line top, the side of mobile location crossbeam is provided with the rack, removes to shakeout the subassembly including mobile motor and lift cylinder, and the top of mobile motor output shaft links firmly the gear with rack intermeshing, removes to shakeout the subassembly and still includes the shakeout board. Automatic shakeout in-process, when the sleeper mould removed to the station of predetermineeing shakeout, the shaking table with sleeper mould jacking to assigned position, drive the sleeper mould and vibrate, when the sleeper mould was located the assigned position, the lift cylinder will shakeout the board and drop to predetermineeing the shakeout height, the traveling motor drives the shakeout board and carries out horizontal migration along the mobile location crossbeam, treats the concrete of shakeout and shakeout. Utilize the device that this application provided to pile up the concrete and shakeout, can improve shakeout efficiency and ensure the shakeout effect.
Description
Technical Field
The application relates to the technical field of sleeper processing, in particular to an automatic sleeper mould cloth flattening device.
Background
Sleepers are one type of railway fittings, and they are used to support and maintain the position of a rail and to transmit the great pressure transmitted from the rail to the track bed. At present, the prestressed concrete sleeper is widely applied to railway construction due to the advantages of good smoothness, high stability, less maintenance, low cost and the like.
In the production process of prestressed concrete sleeper, when concrete stirred by a mixer is poured into a mould, internal bubbles need to be removed, and surface honeycombs are eliminated, so that concrete can be compactly combined, and the quality of sleeper is ensured. In order to combine the concrete compactly, the concrete needs to be uniformly dispersed in a material distribution link, and the concrete is usually stacked in a conical shape after being discharged on a die, so that the stacked concrete needs to be flattened to be uniformly dispersed.
At present, the accumulated concrete is generally flattened in a manual mode, the efficiency of the operation mode is low, and the flattening effect cannot be guaranteed.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem that the piled concrete is flattened in a manual mode, the efficiency of the operation mode is low, and the flattening effect cannot be guaranteed, the application discloses an automatic flattening device for the cloth of the sleeper mold through the following embodiment.
The application first aspect discloses a sleeper mould cloth automatic flattening device, includes: a vibration table and a mobile flattening assembly;
the vibrating table is positioned at intervals of the conveying rollers, wherein the conveying rollers are arranged on the mold conveying line at intervals and used for conveying the sleeper mold to a preset flattening station, and concrete to be flattened is loaded in the sleeper mold;
the movable flattening assembly is arranged on a movable positioning cross beam at the top of the flattening support through a mounting plate frame, the movable flattening assembly is positioned above the die conveying line, the movable positioning cross beam is parallel to the die conveying line, and a rack is arranged on the side surface of the movable positioning cross beam;
the movable flattening assembly comprises a movable motor arranged on the upper surface of the mounting plate and a lifting cylinder arranged on the lower surface of the mounting plate;
an output shaft of the moving motor penetrates through the mounting plate, and a gear meshed with the rack is fixedly connected to the top end of the output shaft;
the movable flattening assembly also comprises a flattening plate, and the flattening plate is arranged at the bottom of the lifting cylinder;
the vibration table is used for jacking the sleeper mould to a specified position when the sleeper mould moves to the preset flattening station, and driving the sleeper mould to vibrate when the sleeper mould is located at the specified position;
the lifting cylinder is used for the sleeper mould is located when the assigned position, will the shakeout board descends to predetermineeing the shakeout height, the moving motor is used for the shakeout board is located when predetermineeing the shakeout height, drive the shakeout board along the mobile positioning crossbeam carries out horizontal migration, right the concrete of waiting to shakeout is shakeout.
Optionally, two movable positioning beams are arranged and are arranged at the top of the flattening support side by side;
the opposite inner sides of the two movable positioning cross beams are provided with the racks.
Optionally, two moving motors are arranged and are respectively located at two ends of the mounting plate;
the gears fixedly connected with the top ends of the output shafts of the two mobile motors are respectively corresponding to the racks arranged on the opposite inner sides of the two mobile positioning cross beams.
Optionally, a plurality of flattening teeth are arranged on the lower surface of the flattening plate.
Optionally, a guide rail is arranged on the movable positioning beam;
the lower surface of the mounting plate is provided with a sliding groove corresponding to the guide rail.
Optionally, the apparatus further comprises a processor;
the processor is used for controlling the vibration table to lift the sleeper mold to a specified position when the sleeper mold moves to the preset flattening station, and controlling the vibration table to vibrate when the sleeper mold is located at the specified position;
the processor is further used for controlling the lifting cylinder to lower the leveling plate to a preset leveling height when the sleeper mould is located at the designated position;
the processor is also used for controlling the mobile motor to work when the flattening plate is positioned at the preset flattening height, driving the flattening plate to horizontally move along the mobile positioning beam, and flattening the concrete to be flattened.
The second aspect of the present application discloses a control method for an automatic sleeper mold material distribution flattening device, where the control method is applied to a processor, the processor is arranged in the automatic sleeper mold material distribution flattening device disclosed in the first aspect of the present application, and the control method includes:
acquiring the position of a sleeper mold;
if the sleeper mold moves to a preset flattening station, controlling a vibration table to lift the sleeper mold to a specified position;
if the sleeper mould is located at the designated position, controlling the vibration table to vibrate and controlling the lifting cylinder to lower the flattening plate to a preset flattening height;
acquiring the position of the flattening plate;
and if the flattening plate is positioned at the preset flattening height, controlling a moving motor to work, driving the flattening plate to horizontally move along the movable positioning beam, and flattening the concrete to be flattened.
Optionally, the control method further includes:
if the spreading plate is located at a preset spreading end position point, the vibration table is controlled to stop vibrating and retract, the sleeper mold is placed back to the mold conveying line, and the spreading plate is controlled to return to the initial position through the moving motor and the lifting cylinder.
The third aspect of the present application discloses a control system of an automatic sleeper mold material distribution flattening device, wherein the control system is applied to a control method of the automatic sleeper mold material distribution flattening device disclosed in the second aspect of the present application, and the control system comprises:
the first position acquisition module is used for acquiring the position of the sleeper mold;
the jacking control module is used for controlling the vibration table to jack the sleeper mould to a specified position when the sleeper mould moves to a preset flattening station;
the pre-flattening module is used for controlling the vibration table to vibrate and controlling the lifting cylinder to lower the flattening plate to a preset flattening height when the sleeper mould is positioned at the specified position;
the second position acquisition module is used for acquiring the position of the flattening plate;
and the automatic flattening module is used for controlling the mobile motor to work when the flattening plate is positioned at the preset flattening height, driving the flattening plate to horizontally move along the mobile positioning beam, and flattening the concrete to be flattened.
Optionally, the control system further includes:
and the flattening finishing module is used for controlling the vibration table to stop vibrating and retract when the flattening plate is positioned at a preset flattening finishing position point, putting the sleeper mold back to the mold conveying line, and controlling the flattening plate to return to the initial position through the moving motor and the lifting cylinder.
The embodiment of the application discloses automatic device, control method and control system of shakeout of sleeper mould cloth, the device include shaking table and removal shakeout subassembly, and the shaking table is located the interval department of transportation gyro wheel, and removal shakeout subassembly is located mould line of transportation top, the side of mobile location crossbeam are provided with the rack, and removal shakeout subassembly includes moving motor and lift cylinder, and the top of moving motor output shaft links firmly the gear with rack intermeshing, and removal shakeout subassembly still includes the shakeout board. Automatic shakeout in-process, when the sleeper mould removed to the station of predetermineeing shakeout, the shaking table with sleeper mould jacking to assigned position, then drive the sleeper mould and vibrate, when the sleeper mould was located the assigned position, the lift cylinder will shakeout the board and drop to predetermineeing the shakeout height, then the mobile motor drives the shakeout board and carries out horizontal migration along the mobile location crossbeam, treats the concrete of shakeout and shakeout. Utilize the device that this application provided to pile up the concrete and shakeout, not only can improve shakeout efficiency, can ensure the shakeout effect moreover, make the concrete dispersion even.
Drawings
In order to more clearly explain the technical solution of the present application, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious to those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a perspective view of an automatic sleeper mold material distribution flattening device disclosed in an embodiment of the present application;
fig. 2 is a front view of an automatic sleeper mold material distribution flattening device disclosed in the embodiment of the present application;
fig. 3 is a top view of an automatic sleeper mold material distribution flattening device disclosed in the embodiments of the present application;
fig. 4 is a side view of an automatic sleeper mold distributing and flattening device disclosed in the embodiments of the present application;
fig. 5 is a schematic structural diagram of a spreading plate in an automatic sleeper mold material distribution spreading device disclosed in the embodiment of the present application;
fig. 6 is a schematic structural diagram of an automatic sleeper mold distributing and flattening device disclosed in the embodiment of the present application;
fig. 7 is a schematic view of a working flow of a control method of an automatic sleeper mold material distribution flattening device disclosed in the embodiment of the present application;
fig. 8 is a schematic structural diagram of a control system of an automatic sleeper mold material distribution flattening device disclosed in an embodiment of the present application.
In fig. 1-6: 1-vibration table, 2-moving flattening component, 21-mounting plate, 210-sliding chute, 22-moving motor, 220-gear, 23-lifting cylinder, 24-flattening plate, 240-flattening tooth, 3-mould conveying line, 30-conveying roller, 4-sleeper mould, 5-flattening support, 51-moving positioning beam, 510-rack, 511-guide rail and 6-air bag.
Detailed Description
In order to solve the problems that the efficiency of a manual operation mode is low and the flattening effect cannot be guaranteed when piled concrete is flattened, the application discloses an automatic sleeper mould cloth flattening device, a control method and a control system through the following embodiments.
Referring to fig. 1 to 4, a first embodiment of the present application discloses an automatic sleeper mold material distribution flattening device, which includes: a vibration table 1 and a mobile spreader assembly 2.
The vibrating table 1 is located at an interval of the conveying rollers 30, wherein the conveying rollers 30 are arranged on the mold conveying line 3 at intervals and used for conveying the sleeper mold 4 to a preset flattening station, and concrete to be flattened is loaded in the sleeper mold 4.
The movable flattening component 2 is erected on a movable positioning beam 51 at the top of the flattening support 5 through a mounting plate 21, the movable flattening component 2 is located above the die conveying line 3, the movable positioning beam 51 is parallel to the die conveying line 3, and a rack 510 is arranged on the side face of the movable positioning beam 51.
The moving and flattening assembly 2 comprises a moving motor 22 arranged on the upper surface of the mounting plate 21 and a lifting cylinder 23 arranged on the lower surface of the mounting plate 21.
The output shaft of the moving motor 22 passes through the mounting plate 21, and the top end of the output shaft is fixedly connected with a gear 220 which is meshed with the rack 510.
The moving and flattening assembly 2 further comprises a flattening plate 24, and the flattening plate 24 is installed at the bottom of the lifting cylinder 23.
Referring to FIG. 5, in one implementation, the lower surface of the spreader plate 24 is lined with a plurality of spreader teeth 240.
The vibrating table 1 is used for jacking the sleeper mould 4 to a specified position when the sleeper mould 4 moves to the preset flattening station, and driving the sleeper mould 4 to vibrate when the sleeper mould 4 is located at the specified position.
The lifting cylinder 23 is used for lowering the spreading plate 24 to a preset spreading height when the sleeper mold 4 is located at the designated position, and the moving motor 22 is used for driving the spreading plate 24 to horizontally move along the mobile positioning beam 51 when the spreading plate 24 is located at the preset spreading height, so that the concrete to be spread is spread.
The embodiment of the application discloses automatic device, control method and control system of shakeout of sleeper mould cloth, the device include shaking table and removal shakeout subassembly, and the shaking table is located the interval department of transportation gyro wheel, and removal shakeout subassembly is located mould line of transportation top, the side of mobile location crossbeam are provided with the rack, and removal shakeout subassembly includes moving motor and lift cylinder, and the top of moving motor output shaft links firmly the gear with rack intermeshing, and removal shakeout subassembly still includes the shakeout board. Automatic shakeout in-process, when the sleeper mould removed to the station of predetermineeing shakeout, the shaking table with sleeper mould jacking to assigned position, then drive the sleeper mould and vibrate, when the sleeper mould was located the assigned position, the lift cylinder will shakeout the board and drop to predetermineeing the shakeout height, then the mobile motor drives the shakeout board and carries out horizontal migration along the mobile location crossbeam, treats the concrete of shakeout and shakeout. Utilize the device that this application provided to pile up the concrete and shakeout, not only can improve shakeout efficiency, can ensure the shakeout effect moreover, make the concrete dispersion even.
Further, the two movable positioning beams 51 are arranged and installed on the top of the flattening support 5 side by side.
The racks 510 are disposed on opposite inner sides of the two movable positioning beams 51.
Further, two moving motors 22 are provided, and are respectively located at two ends of the mounting plate 21.
The gear 220 fixedly connected with the top ends of the output shafts of the two moving motors 22 respectively corresponds to the racks 510 arranged on the opposite inner sides of the two moving positioning beams 51.
Further, the movable positioning beam 51 is provided with a guide rail 511.
The mounting plate 21 is provided at a lower surface thereof with a slide groove 210 corresponding to the guide rail 511.
Further, the apparatus also includes a processor. In the embodiment of the application, the processor is an industrial personal computer.
The processor is used for controlling the vibration table 1 to lift the sleeper mould 4 to a specified position when the sleeper mould 4 moves to the preset flattening station, and controlling the vibration table 1 to vibrate when the sleeper mould 4 is located at the specified position.
The processor is further configured to control the lifting cylinder 23 to lower the spreader plate 24 to a preset spreading height when the sleeper mold 4 is located at the designated position.
The processor is further configured to control the mobile motor 22 to work when the leveling plate 24 is located at the preset leveling height, so as to drive the leveling plate 24 to horizontally move along the mobile positioning beam 51, and level the concrete to be leveled.
In the embodiment of the present application, there is another implementation manner when the tie mold 4 is transported to a specified position. Referring to fig. 6, the bottom of the mold transport line 3 is provided with an air bag 6, in the transport process, the air bag 6 is in an inflated state, so that the horizontal height of the transport roller 30 is higher than the height of the table top of the vibration table 1 (the table top of the vibration table 1 is at a designated position), when the transport roller 30 transports the sleeper mold 4 to a preset flattening station, the air bag 6 is deflated, so that the sleeper mold 4 descends until the sleeper mold falls on the table top of the vibration table 1, and the purpose of transporting the sleeper mold 4 to the designated position is achieved.
The second embodiment of the present application discloses a control method for an automatic sleeper mold material distribution flattening device, the control method is applied to a processor, the processor is arranged in the automatic sleeper mold material distribution flattening device disclosed in the first embodiment of the present application, referring to fig. 7, and the control method includes:
in step S11, the position of the tie mold 4 is acquired.
Step S12, if the sleeper mold 4 moves to a preset leveling station, controlling the vibration table 1 to lift the sleeper mold 4 to a specified position.
Step S13, if the sleeper mold 4 is located at the designated position, controlling the vibration table 1 to vibrate, and controlling the lifting cylinder 23 to lower the leveling plate 24 to a preset leveling height.
In step S14, the position of the spreader plate 24 is obtained.
Step S15, if the leveling plate 24 is located at the preset leveling height, the mobile motor 22 is controlled to work to drive the leveling plate 24 to horizontally move along the mobile positioning beam 51, so as to level the concrete to be leveled.
In the embodiment of the application, the positions of the sleeper mold and the flattening plate can be acquired by installing the position sensors at corresponding positions.
When the leveling plate 24 is used to level the accumulated concrete, the leveling and carding operation can be performed a plurality of times. The specific implementation mode is as follows: when the flattening plate is located at the height of primary flattening, the movable motor starts to rotate forwards to drive the flattening plate to comb and flatten the accumulated concrete in the sleeper mold from right to left, after the flattening plate reaches the left side of the sleeper mold, the primary flattening is completed, the lifting cylinder is started again to drive the flattening plate to move downwards for a preset distance, so that the flattening plate reaches the preset secondary flattening height, the movable motor starts to rotate backwards to drive the flattening plate to comb and flatten the concrete in the sleeper mold from left to right, and after the flattening plate reaches the right side of the sleeper mold, the secondary flattening is completed. And repeating the process, and flattening and carding the concrete for multiple times according to the preset flattening times and the preset flattening height corresponding to each flattening plate until the preset flattening times are reached, and flattening. The combing direction described in the above flow cannot be taken as a limitation on the rotation direction of the motor, that is, when combing is performed from right to left, the rotation direction of the motor may be set to be normal rotation or reverse rotation.
Further, the control method further includes:
if the spreading plate 24 is located at the preset spreading end position point, the vibration table 1 is controlled to stop vibrating and retract, the sleeper mold 4 is placed back on the mold transport line 3, and the spreading plate 24 is controlled to return to the initial position through the moving motor 22 and the lifting cylinder 23.
The third embodiment of the present application discloses a control system of an automatic sleeper mold distributing flattening device, where the control system is applied to a control method of the automatic sleeper mold distributing flattening device disclosed in the second embodiment of the present application, and referring to fig. 8, the control system includes:
and a first position acquisition module 10 for acquiring the position of the sleeper mold 4.
And the jacking control module 20 is used for controlling the vibration table 1 to jack the sleeper mould 4 to a specified position when the sleeper mould 4 moves to a preset flattening station.
And the pre-flattening module 30 is used for controlling the vibration table 1 to vibrate and controlling the lifting cylinder 23 to lower the flattening plate 24 to a preset flattening height when the sleeper mold 4 is located at the specified position.
A second position acquisition module 40 for acquiring the position of the spreader plate 24.
The automatic flattening module 50 is used for controlling the mobile motor 22 to work when the flattening plate 24 is located at the preset flattening height, and driving the flattening plate 24 to horizontally move along the mobile positioning beam 51, so that the concrete to be flattened is flattened.
Further, the control system further includes:
and a flattening end module, configured to control the vibration table 1 to stop vibrating and retract when the flattening plate 24 is located at a preset flattening end position point, place the sleeper mold 4 back on the mold transport line 3, and control the flattening plate 24 to return to an initial position through the moving motor 22 and the lifting cylinder 23.
Next, the disclosure of the above embodiments of the present application will be described with reference to specific examples.
1. When the sleeper mould which is distributed is transported to a flattening station by the mould transporting line, the vibrating table is lifted to jack the sleeper mould, when the sleeper mould reaches a specified position, the jacking is stopped, and the vibrating table carries the sleeper mould to start vibrating.
2. The lifting cylinder is started to drive the spreading plate to move downwards.
3. And when the flattening plate reaches the preset primary flattening height, the lifting cylinder brakes.
4. The mobile motor is started to start to rotate forwards, and the flattening plate is driven to comb and flatten concrete accumulated in the sleeper mould from right to left;
5. and finishing primary flattening after the flattening plate reaches the left side of the sleeper mold.
6. And the lifting cylinder is started again to drive the spreading plate to move downwards continuously.
7. And when the flattening plate reaches the preset secondary flattening height, the lifting cylinder brakes.
8. And the moving motor is started to rotate reversely, so that the flattening plate is driven to comb and flatten the concrete in the sleeper mould from left to right for the second time.
8. And after the flattening plate reaches the right side of the sleeper mold, secondary flattening is completed.
9. And carrying out multiple flattening and carding on the concrete according to the preset flattening times and the preset flattening height corresponding to each flattening plate, and stopping flattening action until the preset flattening times are reached.
10. The moving motor is used for braking, the lifting cylinder moves upwards to drive the flattening plate to return to the initial position, and the next operation is waited.
11. The vibration table stops vibrating, the sleeper mould is placed back to the mould conveying line, and the vibration table returns to the original position.
12. And the die conveying line conveys the flattened sleeper die to the next station.
The present application has been described in detail with reference to specific embodiments and illustrative examples, but the description is not intended to limit the application. Those skilled in the art will appreciate that various equivalent substitutions, modifications or improvements may be made to the presently disclosed embodiments and implementations thereof without departing from the spirit and scope of the present disclosure, and these fall within the scope of the present disclosure. The protection scope of this application is subject to the appended claims.
Claims (6)
1. The utility model provides an automatic device that paves of sleeper mould cloth which characterized in that includes: a vibration table (1) and a movable flattening assembly (2);
the vibrating table (1) is positioned at intervals of the conveying rollers (30), wherein the conveying rollers (30) are arranged on the mould conveying line (3) at intervals and used for conveying the sleeper mould (4) to a preset flattening station, and concrete to be flattened is loaded in the sleeper mould (4);
the movable flattening assembly (2) is erected on a movable positioning cross beam (51) at the top of the flattening support (5) through a mounting plate (21), the movable flattening assembly (2) is positioned above the die conveying line (3), the movable positioning cross beam (51) is parallel to the die conveying line (3), and a rack (510) is arranged on the side surface of the movable positioning cross beam (51);
the moving and flattening assembly (2) comprises a moving motor (22) arranged on the upper surface of the mounting plate (21) and a lifting cylinder (23) arranged on the lower surface of the mounting plate (21);
an output shaft of the moving motor (22) penetrates through the mounting plate (21), and a gear (220) meshed with the rack (510) is fixedly connected to the top end of the output shaft;
the mobile flattening assembly (2) further comprises a flattening plate (24), and the flattening plate (24) is installed at the bottom of the lifting cylinder (23);
the vibrating table (1) is used for jacking the sleeper mould (4) to a specified position when the sleeper mould (4) moves to the preset flattening station, and driving the sleeper mould (4) to vibrate when the sleeper mould (4) is located at the specified position;
lifting cylinder (23) are used for sleeper mould (4) are located during the assigned position, will flattening board (24) descend to the preset shakeout height, moving motor (22) are used for flattening board (24) are located when presetting the shakeout height, drive flattening board (24) along removal positioning crossbeam (51) carry out horizontal migration, it is right the concrete of waiting to shakeout is shakeout.
2. Automatic sleeper mould distributing spreading device according to claim 1, characterized in that said mobile positioning beams (51) are provided in two, mounted side by side on top of said spreading brackets (5);
the racks (510) are arranged on the opposite inner sides of the two movable positioning cross beams (51).
3. Automatic sleeper mould cloth flattening device according to claim 2, characterized in that the moving motors (22) are provided in two, one at each end of the mounting plate (21);
the gears (220) fixedly connected with the top ends of the output shafts of the two mobile motors (22) respectively correspond to the racks (510) arranged on the opposite inner sides of the two mobile positioning beams (51).
4. Sleeper mold material distribution automatic flattening device according to claim 1, characterized in that the lower surface of the flattening plate (24) is lined with a plurality of flattening teeth (240).
5. Automatic sleeper mould material spreading device according to claim 1, characterized in that the mobile positioning beams (51) are provided with guide rails (511);
the lower surface of the mounting plate (21) is provided with a sliding groove (210) corresponding to the guide rail (511).
6. The sleeper mold cloth automatic leveling apparatus of claim 1, wherein the apparatus further comprises a processor;
the processor is used for controlling the vibration table (1) to lift the sleeper mold (4) to a specified position when the sleeper mold (4) moves to the preset flattening station, and controlling the vibration table (1) to vibrate when the sleeper mold (4) is located at the specified position;
the processor is also used for controlling the lifting cylinder (23) to lower the flattening plate (24) to a preset flattening height when the sleeper mould (4) is located at the designated position;
the treater is still used for spreading out dull and stereotyped (24) and being located when predetermineeing the shakeout height, control moving motor (22) work drives it is along to spread out dull and stereotyped (24) mobile location crossbeam (51) carries out horizontal migration, and is right the concrete of waiting to shakeout is shakeout.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922279663.2U CN211440428U (en) | 2019-12-17 | 2019-12-17 | Automatic device that shakeouts of sleeper mould cloth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922279663.2U CN211440428U (en) | 2019-12-17 | 2019-12-17 | Automatic device that shakeouts of sleeper mould cloth |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211440428U true CN211440428U (en) | 2020-09-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922279663.2U Active CN211440428U (en) | 2019-12-17 | 2019-12-17 | Automatic device that shakeouts of sleeper mould cloth |
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| Country | Link |
|---|---|
| CN (1) | CN211440428U (en) |
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- 2019-12-17 CN CN201922279663.2U patent/CN211440428U/en active Active
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