CN210223286U - Safety circuit and safety function presentation device based on industrial machine - Google Patents
Safety circuit and safety function presentation device based on industrial machine Download PDFInfo
- Publication number
- CN210223286U CN210223286U CN201920339456.9U CN201920339456U CN210223286U CN 210223286 U CN210223286 U CN 210223286U CN 201920339456 U CN201920339456 U CN 201920339456U CN 210223286 U CN210223286 U CN 210223286U
- Authority
- CN
- China
- Prior art keywords
- device body
- sliding
- demonstration device
- industrial machine
- bearing plate
- Prior art date
- 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.)
- Active
Links
Images
Landscapes
- Presses And Accessory Devices Thereof (AREA)
Abstract
The utility model discloses a safety circuit and safety function presentation device based on industrial machine, including presentation device body, first bearing board and installing frame, the vertical electric telescopic handle of installing in first bearing board bottom, the universal wheel is installed to the inboard first bearing board bottom of electric telescopic handle, and the inside top of first bearing board is provided with the spout, and the installing frame is installed on second slider top, and second pneumatic cylinder output horizontal installation has the second hydraulic stem that is connected with the installing frame, the light curtain receiver is installed to the inside bottom of presentation device body, and the PLC controller is installed on presentation device body top, the third slide rail is installed to the inside bottom of installing frame, and the vertical fixation has first pneumatic cylinder on the installing frame bottom plate of third slide rail both sides. This safety circuit and safety function presentation device based on industrial machine pass through the second pneumatic cylinder and drive presentation device body roll-off, and the motor drives the rotation of presentation device body, is convenient for adjust this presentation device's angle.
Description
Technical Field
The utility model relates to an industrial machine equipment technical field specifically is a safety circuit and safety function presentation device based on industrial machine.
Background
Safety of industrial machinery and equipment is very important, and it determines whether a factory can safely produce, so that a safety circuit and a safety function demonstration device based on industrial machinery are required in the market.
However, most of the safety circuit and safety function demonstration devices based on industrial machines on the market have large dead weight, so that the service life of the demonstration device can be greatly shortened due to impact force generated by vibration during transportation, and the dead weight of the demonstration device is large, so that a user is particularly difficult to rotate the angle of the demonstration device during use.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a safety circuit and safety function presentation device based on industrial machine to solve the problem of proposing among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a safety loop and safety function demonstration device based on an industrial machine comprises a demonstration device body, a first bearing plate and an installation frame, wherein an electric telescopic rod is vertically arranged at the bottom end of the first bearing plate, a metal plate is welded at the output end of the electric telescopic rod, a rubber pad is adhered to the bottom end of the metal plate, a universal wheel is arranged at the bottom end of the first bearing plate on the inner side of the electric telescopic rod, a sliding groove is formed in the top end of the inner portion of the first bearing plate, a motor is fixed in the middle of the first bearing plate, a rotating shaft at the output end of the motor is connected with a second bearing plate, rotating rods are arranged on the periphery of the bottom end of the second bearing plate, a third sliding block matched with the sliding groove is arranged at the bottom end of the rotating rods, a second sliding rail is fixed at two ends above the second bearing plate, a second sliding block is placed in the second sliding rail, the installation frame is arranged at the top, the output end of the second hydraulic cylinder is horizontally provided with a second hydraulic rod connected with the mounting frame, two side walls inside the mounting frame are both vertically provided with a first slide rail, a matched first slide block is arranged inside the first slide rail, and one side of the first slide block, which is far away from the first slide rail, is provided with a demonstration device body;
the demonstration device comprises a demonstration device body, a light curtain receiver, a light curtain transmitter, a PLC (programmable logic controller) and a display screen, wherein the light curtain receiver is installed at the bottom end inside the demonstration device body, the light curtain transmitter is installed at the top end inside the demonstration device body, the PLC is installed at the top end of the demonstration device body, and the alarm is vertically installed at the top end of the demonstration device body;
the demonstration device comprises a mounting frame and is characterized in that a third slide rail is mounted at the bottom end inside the mounting frame, a fourth slide block is slidably mounted on the third slide rail, a sleeve is fixed to the top end of the fourth slide block, the sleeve is connected with a demonstration device body at the upper end through a hinged connecting rod, first hydraulic cylinders are perpendicularly fixed to mounting frame bottom plates on two sides of the third slide rail, and the upper ends of first hydraulic rods mounted at the upper ends of the first hydraulic cylinders are connected with the demonstration device body.
Preferably, the output of light curtain transmitter and light curtain receiver passes through the wire and is connected with the input electricity of alarm and display screen respectively, and the output of PLC controller passes through the wire and is connected with motor, electric telescopic handle and the solenoid valve electricity on first pneumatic cylinder and the second pneumatic cylinder to the motor is BCH1304N12F1C servo motor.
Preferably, the bottom of the demonstration device body is hinged with two sets of second connecting rods, the bottoms of the second connecting rods are hinged with sleeves, the first connecting rods are slidably mounted inside the two sets of opposite sleeves, the first springs are sleeved on the first connecting rods between the two sets of sleeves, and the second springs are mounted inside the two sets of sleeves on two sides of the demonstration device body.
Preferably, the electric telescopic rod, the metal plate, the rubber pad and the first bearing plate are of a welding integrated structure.
Preferably, the rotating rod forms a sliding mechanism through the third sliding block and the sliding groove, and the rotating rod and the third sliding block are provided with four parts.
Preferably, the demonstration device body forms a sliding mechanism through the second sliding block and the second sliding rail, and the second sliding block and the second sliding rail are both provided with two.
Preferably, the second connecting rod forms a rotating mechanism with the demonstration device body and the sleeve through a hinge shaft respectively, the sleeve forms a telescopic mechanism with the first connecting rod through a second spring, and the sleeve forms a telescopic mechanism with the first spring.
Preferably, the mounting frame forms a sliding mechanism through the first sliding block and the first sliding rail, the first sliding rail and the first sliding block are both provided with two sets, and the top end of the first sliding rail is provided with an opening.
Compared with the prior art, the beneficial effects of the utility model are that: the safety loop and safety function demonstration device based on the industrial machine is provided with a first hydraulic cylinder, a first hydraulic rod, a demonstration device body, a first sliding block and a first sliding rail, when the height of the safety loop and safety function demonstration device based on the industrial machine needs to be adjusted, the first hydraulic cylinder is started to drive the first hydraulic rod to stretch, the first hydraulic rod drives the demonstration device body to slide in the first sliding rail through the first sliding block so as to be convenient for being suitable for different operators and demonstration equipment, meanwhile, the device is provided with a PLC (programmable logic controller), a motor, a second hydraulic cylinder, a second hydraulic rod, a mounting frame, a demonstration device body, a second sliding block, a second sliding rail, a rotating shaft, a second bearing plate, a rotating rod, a third sliding block and a sliding groove, when the angle of the safety loop and safety function demonstration device based on the industrial machine needs to be adjusted, the motor and the second hydraulic cylinder are controlled to be started through the PLC controller, the device is provided with a demonstration device body, a second connecting rod, a sleeve, a fourth sliding block, a third sliding rail, a second spring and a first spring, when the safety circuit and the safety function demonstration device based on the industrial machine are transported, impact force generated by vibration is transmitted to the second connecting rod and the sleeve through the demonstration device body so as to enable the sleeve to slide in the third sliding rail through the fourth sliding block, therefore, the impact force is eliminated under the action of the second spring and the first spring, so that the service life of the safety circuit and safety function demonstration device based on the industrial machine is conveniently prolonged through damping.
Drawings
FIG. 1 is a front view of the cross-sectional structure of the present invention;
FIG. 2 is a schematic front view of the present invention;
FIG. 3 is a right side view of the structure of the present invention;
fig. 4 is a schematic top view of the demonstration apparatus body of the present invention;
fig. 5 is a schematic top view of the first platform plate of the present invention;
FIG. 6 is an enlarged view of the portion A of FIG. 1 according to the present invention;
fig. 7 is an enlarged schematic view of a portion B in fig. 1 according to the present invention.
In the figure: 1. a light curtain emitter; 2. a presentation device body; 3. a first slide rail; 4. a first slider; 5. a first hydraulic lever; 6. a second slide rail; 7. a first deck plate; 8. a rubber pad; 9. a second deck plate; 10. a rotating shaft; 11. a motor; 12. a metal plate; 13. an electric telescopic rod; 14. a second slider; 15. a first hydraulic cylinder; 16. a light curtain receiver; 17. an alarm; 18. installing a frame; 19. a universal wheel; 20. rotating the rod; 21. a PLC controller; 22. a second hydraulic rod; 23. a second hydraulic cylinder; 24. a display screen; 25. a chute; 26. a third slider; 27. a first spring; 28. a first connecting rod; 29. a fourth slider; 30. a sleeve; 31. a third slide rail; 32. a second connecting rod; 33. a second spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-7, the present invention provides an embodiment: a safety loop and safety function demonstration device based on an industrial machine comprises a demonstration device body 2, a first bearing plate 7 and a mounting frame 18, wherein an electric telescopic rod 13 is vertically arranged at the bottom end of the first bearing plate 7, a metal plate 12 is welded at the output end of the electric telescopic rod 13, a rubber pad 8 is adhered at the bottom end of the metal plate 12, a universal wheel 19 is arranged at the bottom end of the first bearing plate 7 on the inner side of the electric telescopic rod 13, the metal plate 12, the rubber pad 8 and the first bearing plate 7 are of a welding integrated structure, a sliding chute 25 is arranged at the top end inside the first bearing plate 7, a motor 11 is fixed at the middle part of the first bearing plate 7, a rotating shaft 10 at the output end of the motor 11 is connected with a second bearing plate 9, a rotating rod 20 is arranged around the bottom end of the second bearing plate 9, a third sliding block 26 matched with the sliding chute 25 is arranged at the bottom end of the rotating rod 20, the rotating rod 20 and the third sliding block 26 are respectively provided with four, the two ends above the second bearing plate 9 are fixed with a second sliding rail 6, the second sliding block 14 is placed in the second sliding rail 6, the top end of the second sliding block 14 is provided with an installation frame 18, the top end of the second bearing plate 9 at the inner side of the second sliding block 14 is horizontally provided with a second hydraulic cylinder 23 through a base, the model of the second hydraulic cylinder 23 can be a J64RT2UNIVER telescopic cylinder, the demonstration device body 2 forms a sliding mechanism through the second sliding block 14 and the second sliding rail 6, the second sliding block 14 and the second sliding rail 6 are respectively provided with two, the output end of the second hydraulic cylinder 23 is horizontally provided with a second hydraulic rod 22 connected with the installation frame 18, the two side walls inside the installation frame 18 are respectively and vertically provided with a first sliding rail 3, the first sliding block 4 matched with the first sliding block 3 is arranged inside, and the demonstration device body 2 is arranged at one side of the first sliding block 4 far away, the mounting frame 18 forms a sliding mechanism through the space between the first sliding block 4 and the first sliding rail 3, two groups of the first sliding rail 3 and the first sliding block 4 are arranged, and the top end of the first sliding rail 3 is provided with an opening;
the light curtain receiver 16 is installed at the bottom end inside the demonstration device body 2, the light curtain emitter 1 is installed at the top end inside the demonstration device body 2, the PLC 21 is installed at the top end of the demonstration device body 2, the display screen 24 is arranged on the PLC 21, the alarm 17 is vertically installed at the top end of the demonstration device body 2, the type of the alarm 17 can be an SPNA alarm, the output ends of the light curtain emitter 1 and the light curtain receiver 16 are respectively and electrically connected with the input ends of the alarm 17 and the display screen 24 through wires, the output end of the PLC 21 is electrically connected with the motor 11, the electric telescopic rod 13, the electromagnetic valves on the first hydraulic cylinder 15 and the second hydraulic cylinder 23 through wires, and the motor 11 is a BCH1304N12F1C servo motor;
a third slide rail 31 is arranged at the bottom end inside the mounting frame 18, a fourth slide block 29 is slidably arranged on the third slide rail 31, a sleeve 30 is fixed at the top end of the fourth slide block 29, the sleeve 30 is connected with the demonstration device body 2 at the upper end through a hinged connecting rod 32, a rotating mechanism is respectively formed between the demonstration device body 2 and the sleeve 30 through a hinged shaft by the second connecting rod 32, a telescopic mechanism is formed between the sleeve 30 and the first connecting rod 28 through a second spring 33, a telescopic mechanism is formed between the sleeve 30 and the first spring 27, first hydraulic cylinders 15 are vertically fixed on the bottom plates of the mounting frame 18 at two sides of the third slide rail 31, the type of the first hydraulic cylinder 15 can be a CLRG-506 hydraulic cylinder, the upper ends of first hydraulic rods 5 arranged at the upper ends of the first hydraulic cylinders 15 are connected with the demonstration device body 2, two groups of second connecting rods 32 are hinged at the bottom of the, the bottoms of the second connecting rods 32 are hinged with sleeves 30, the first connecting rods 28 are slidably mounted in the two groups of opposite sleeves 30, the first springs 27 are sleeved on the first connecting rods 28 between the two groups of sleeves 30, and the second springs 33 are mounted in the two groups of sleeves 30 on the two sides of the demonstration device body 2.
When the safety circuit and safety function demonstration device based on the industrial machine is used, the safety circuit and safety function demonstration device based on the industrial machine is moved to a proper place through the universal wheel 19, then an external power supply is switched on, the PLC (programmable logic controller) 21 controls the electric telescopic rod 13 to be started so as to drive the metal plate 12 and the rubber pad 8 to move downwards until the metal plate and the rubber pad are tightly attached to the ground, so that the position of the safety circuit and safety function demonstration device based on the industrial machine is convenient to fix, when demonstration experiments need to be performed, the demonstration equipment enters a light curtain range between the light curtain transmitter 1 and the light curtain receiver 16, the safety output of the light curtain is kept, the machine can normally operate without abnormity, the light curtain transmitter 1 and the light curtain receiver 16 transmit signals to the display screen 24 and display the signals for operators to observe, and when the experiment equipment entering the light curtain exceeds a set range, the light curtain safety output is disconnected, the light curtain emitter 1 and the light curtain receiver 16 transmit signals to the alarm 17 to give an alarm to an operator, at the moment, servo safety stops, when the height of the safety circuit and safety function demonstration device based on the industrial machine needs to be adjusted, the first hydraulic cylinder 15 is started to drive the first hydraulic rod 5 to stretch, the first hydraulic rod 5 drives the demonstration device body 2 to slide in the first slide rail 3 through the first sliding block 4 so as to be suitable for different operators and demonstration equipment, when the angle of the safety circuit and safety function demonstration device based on the industrial machine needs to be adjusted, the motor 11 and the second hydraulic cylinder 23 are controlled to be started through the PLC controller 21, the second hydraulic cylinder 22 is driven to extend under the action of the second hydraulic cylinder 23 so as to push the mounting frame 18 and the demonstration device body 2 to slide out in the second slide rail 6 through the second sliding block 14, the rotating shaft 10 is driven to rotate under the action of the motor 11 so as to drive the second bearing plate 9, the mounting frame 18 and the demonstration device body 2 to rotate, the second bearing plate 9 drives the rotating rod 20 to slide in the sliding groove 25 through the third sliding block 26 so as to adjust the angle of the safety circuit and safety function demonstration device based on the industrial machine under the condition of ensuring the rotating radius, when the safety circuit and safety function demonstration device based on the industrial machine is transported, impact force generated by vibration is transmitted to the second connecting rod 32 and the sleeve 30 through the demonstration device body 2 so that the sleeve 30 slides in the third sliding rail 31 through the fourth sliding block 29, the impact force is eliminated under the action of the second spring 33 and the first spring 27, and therefore the service life of the safety circuit and safety function demonstration device based on the industrial machine is conveniently prolonged through damping.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (8)
1. A safety circuit and safety function demonstration device based on industrial machine, comprising a demonstration device body (2), a first bearing plate (7) and a mounting frame (18), characterized in that: an electric telescopic rod (13) is vertically arranged at the bottom end of the first bearing plate (7), a metal plate (12) is welded at the output end of the electric telescopic rod (13), a rubber pad (8) is pasted at the bottom end of the metal plate (12), a universal wheel (19) is arranged at the bottom end of the first bearing plate (7) at the inner side of the electric telescopic rod (13), a sliding groove (25) is arranged at the top end of the inner part of the first bearing plate (7), a motor (11) is fixed at the middle part of the first bearing plate (7), a rotating shaft (10) at the output end of the motor (11) is connected with a second bearing plate (9), rotating rods (20) are arranged around the bottom end of the second bearing plate (9), a third sliding block (26) matched with the sliding groove (25) is arranged at the bottom end of the rotating rod (20), second sliding rails (6) are fixed at two ends above the second bearing plate (9), and a second, a mounting frame (18) is mounted at the top end of the second sliding block (14), a second hydraulic cylinder (23) is horizontally mounted at the top end of a second bearing plate (9) on the inner side of the second sliding block (14) through a base, a second hydraulic rod (22) connected with the mounting frame (18) is horizontally mounted at the output end of the second hydraulic cylinder (23), first sliding rails (3) are vertically mounted on two side walls inside the mounting frame (18), matched first sliding blocks (4) are mounted inside the first sliding rails (3), and a demonstration device body (2) is mounted on one side, away from the first sliding rails (3), of the first sliding blocks (4);
the light curtain control device is characterized in that a light curtain receiver (16) is installed at the bottom end inside the demonstration device body (2), a light curtain emitter (1) is installed at the top end inside the demonstration device body (2), a PLC (programmable logic controller) (21) is installed at the top end of the demonstration device body (2), a display screen (24) is arranged on the PLC (21), and an alarm (17) is vertically installed at the top end of the demonstration device body (2);
third slide rail (31) are installed to the inside bottom of installing frame (18), and slidable mounting has fourth slider (29) on third slide rail (31), the top of fourth slider (29) is fixed with sleeve (30), and demonstration device body (2) of upper end are connected through articulated connecting rod (32) in sleeve (30), vertical fixation has first pneumatic cylinder (15) on the installing frame (18) bottom plate of third slide rail (31) both sides, and demonstration device body (2) are connected to first hydraulic stem (5) upper end of first pneumatic cylinder (15) upper end installation.
2. The industrial machine-based safety circuit and safety function demonstration apparatus according to claim 1, wherein: the output of light curtain transmitter (1) and light curtain receiver (16) passes through the wire and is connected with the input electricity of alarm (17) and display screen (24) respectively, and the output of PLC controller (21) passes through the wire and is connected with solenoid valve electricity on motor (11), electric telescopic handle (13) and first pneumatic cylinder (15) and the second pneumatic cylinder (23) to motor (11) are BCH1304N12F1C servo motor.
3. The industrial machine-based safety circuit and safety function demonstration apparatus according to claim 1, wherein: the demonstration device is characterized in that two sets of second connecting rods (32) are hinged to the bottom of the demonstration device body (2), sleeves (30) are hinged to the bottoms of the second connecting rods (32), first connecting rods (28) are slidably mounted inside the two sets of opposite sleeves (30), first springs (27) are sleeved on the first connecting rods (28) between the two sets of sleeves (30), and second springs (33) are mounted inside the two sets of sleeves (30) on the two sides of the demonstration device body (2).
4. The industrial machine-based safety circuit and safety function demonstration apparatus according to claim 1, wherein: the electric telescopic rod (13), the metal plate (12), the rubber pad (8) and the first bearing plate (7) are of a welding integrated structure.
5. The industrial machine-based safety circuit and safety function demonstration apparatus according to claim 1, wherein: the rotating rod (20) forms a sliding mechanism through the third sliding block (26) and the sliding groove (25), and the rotating rod (20) and the third sliding block (26) are provided with four parts.
6. The industrial machine-based safety circuit and safety function demonstration apparatus according to claim 1, wherein: the demonstration device body (2) forms a sliding mechanism through the second sliding block (14) and the second sliding rail (6), and the second sliding block (14) and the second sliding rail (6) are both provided with two.
7. The industrial machine-based safety circuit and safety function demonstration apparatus according to claim 3, wherein: the second connecting rod (32) forms a rotating mechanism with the demonstration device body (2) and the sleeve (30) through a hinged shaft respectively, the sleeve (30) forms a telescopic mechanism with the first connecting rod (28) through a second spring (33), and the sleeve (30) forms a telescopic mechanism with the first spring (27).
8. The industrial machine-based safety circuit and safety function demonstration apparatus according to claim 1, wherein: the mounting frame (18) forms a sliding mechanism through the first sliding block (4) and the first sliding rail (3), the first sliding rail (3) and the first sliding block (4) are both provided with two groups, and the top end of the first sliding rail (3) is provided with an opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920339456.9U CN210223286U (en) | 2019-03-18 | 2019-03-18 | Safety circuit and safety function presentation device based on industrial machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920339456.9U CN210223286U (en) | 2019-03-18 | 2019-03-18 | Safety circuit and safety function presentation device based on industrial machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210223286U true CN210223286U (en) | 2020-03-31 |
Family
ID=69915974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920339456.9U Active CN210223286U (en) | 2019-03-18 | 2019-03-18 | Safety circuit and safety function presentation device based on industrial machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210223286U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111702728A (en) * | 2020-07-16 | 2020-09-25 | 南通职业大学 | Multifunctional disassembling and assembling table for mechanical teaching and using method thereof |
-
2019
- 2019-03-18 CN CN201920339456.9U patent/CN210223286U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111702728A (en) * | 2020-07-16 | 2020-09-25 | 南通职业大学 | Multifunctional disassembling and assembling table for mechanical teaching and using method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104101489B (en) | A kind of portable primary cut-out detecting tool | |
| CN107594882A (en) | The lowering or hoisting gear of double-legged same table and the same table containing the lowering or hoisting gear | |
| CN210223286U (en) | Safety circuit and safety function presentation device based on industrial machine | |
| CN203011683U (en) | Multifunctional switch service lifetime testing machine | |
| CN115476243A (en) | Large-scale jar body welding seam polisher | |
| CN204998116U (en) | Printing crossbeam screen frame mechanism | |
| CN204586142U (en) | Automatic code spraying | |
| CN108213662A (en) | Oil tank end socket automates butt welding system | |
| CN105301459A (en) | High-voltage power-frequency AC voltage-withstanding system measuring platform | |
| CN210513992U (en) | Automobile part abrasion detection device | |
| KR102169680B1 (en) | Travelling maintenance vehicles with lift car | |
| CN106239565A (en) | Automatic boxing truss mechanical hand | |
| CN210633619U (en) | Automobile engine cover adjusting device | |
| CN210099960U (en) | Maintenance workbench of ultrasonic vibration instrument | |
| CN211644414U (en) | Lifting device for electromechanical engineering | |
| CN212158989U (en) | Vibration test stand | |
| CN209962459U (en) | Real standard platform of engine | |
| CN210287713U (en) | Damping device for warp knitting machine | |
| CN113380103A (en) | Track traffic signal turnout simulation training device | |
| CN210222377U (en) | Cylindrical holographic image display device | |
| CN208193592U (en) | A kind of intelligence basketball pitching machine | |
| CN108791926A (en) | A kind of unmanned machine head of convenient assembling | |
| CN210011352U (en) | Control platform for vibration friction welding machine | |
| CN216280450U (en) | Pole plate VD engineering safe operation demonstration device | |
| CN216485267U (en) | Nuclear phase device suitable for primary system of transformer substation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |