CN217932955U - Welding simulation training device - Google Patents

Welding simulation training device Download PDF

Info

Publication number
CN217932955U
CN217932955U CN202221237689.6U CN202221237689U CN217932955U CN 217932955 U CN217932955 U CN 217932955U CN 202221237689 U CN202221237689 U CN 202221237689U CN 217932955 U CN217932955 U CN 217932955U
Authority
CN
China
Prior art keywords
simulation
welding
welding rod
placing
lower handle
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
Application number
CN202221237689.6U
Other languages
Chinese (zh)
Inventor
周德命
郑文彪
张志升
徐晖
霍利武
黄翔宇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CSSC Huangpu Wenchong Shipbuilding Co Ltd
Original Assignee
CSSC Huangpu Wenchong Shipbuilding Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by CSSC Huangpu Wenchong Shipbuilding Co Ltd filed Critical CSSC Huangpu Wenchong Shipbuilding Co Ltd
Priority to CN202221237689.6U priority Critical patent/CN217932955U/en
Application granted granted Critical
Publication of CN217932955U publication Critical patent/CN217932955U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Instructional Devices (AREA)

Abstract

The utility model discloses a welding simulation training ware, welding simulation training ware include the simulation utensil, the simulation utensil welds clamp, actuating mechanism, simulation welding rod and is used for placing including the simulation the piece of placing of simulation welding rod, it is in to place a vertical setting the one end that presss from both sides is welded in the simulation, the activity of simulation welding rod is worn to establish place on the piece, actuating mechanism sets up on the simulation welds the clamp, actuating mechanism can drive the simulation welding rod for it goes up and down to place a, the inside that the clamp was welded in the simulation has the cavity, the cavity is used for irritating to add heavy water. It is not restricted by the place, and the operation of being convenient for, and the security is high and with low costs.

Description

Welding simulation training device
Technical Field
The utility model relates to a welding simulation equipment technical field especially relates to a welding simulation training ware.
Background
In ship construction, a welding work is one of six main work types, welding quality is an important component of ship quality, and therefore welding skill is guarantee of the welding quality. The welding skill training is an important ring for improving the welding quality of the ship. At present, welding skill training is mainly carried out on welding practice training by depending on a welding gun and a welding material test plate, the practice training can only be carried out during working, and the chances of practice training in time such as after work and holidays are few. In addition, when welding training is performed, welding rods need to be consumed, the cost is high, and due to the fact that the welding gun works in a live-wire mode, the welding gun has certain dangerousness, needs real-time guidance of teachers, and is inconvenient to perform welding training.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an aim at: the welding simulation trainer is not limited by places, is convenient to operate, and is high in safety and low in cost.
Another object of the invention is: the welding simulation training method is convenient to operate and good in training effect.
In order to achieve the purpose, the utility model adopts the following technical proposal:
on the one hand, provide a welding simulation training ware, including the simulation utensil, the simulation utensil welds clamp, actuating mechanism, simulation welding rod and is used for placing including the simulation the piece of placing of simulation welding rod, it is in to place a vertical setting the simulation welds the one end of pressing from both sides, the activity of simulation welding rod is worn to establish place on the piece, actuating mechanism sets up the simulation welds on the clamp, actuating mechanism can drive the simulation welding rod for it goes up and down to place a, the simulation welds the inside that presss from both sides and has the cavity, the cavity is used for irritating the heavy water.
As a preferred technical scheme of the welding simulation training device, the simulation welding clamp comprises a lower handle and a lower handle arranged at an included angle with the upper handle, the cavity is arranged inside the lower handle and/or the upper handle, and the placing piece is arranged between the lower handle and the upper handle.
As a preferable technical solution of the welding simulation training device, the simulation welding clamp is provided with an opening communicated with the cavity, and the opening is selectively sealed by a sealing member.
As a preferable technical solution of the welding simulation training device, the simulation welding clamp is made of polycarbonate.
As a preferable technical scheme of the welding simulation trainer, the driving mechanism comprises a driving motor and a driving wheel connected with an output shaft of the driving motor, a tooth structure is arranged on the periphery of the simulation welding rod, the driving wheel is in meshed connection with the tooth structure, or a friction layer is arranged on the periphery of the simulation welding rod, and the driving wheel is in friction fit with the friction layer.
As a preferable technical solution of the welding simulation training device, the placing member has a placing hole, the simulated welding rod is inserted into the placing hole, the placing member can slide in the placing hole, the driving motor is arranged on the lower handle, and the driving wheel is close to the upper end of the placing member.
As a preferred technical scheme of welding simulation training ware, still include motor control box, motor control box includes box, battery and machine controller, the box sets up under on hand, the battery does the driving motor power supply, the controller with the battery electricity is connected, the battery with the controller all sets up the inside of box.
As a preferable technical solution of the welding simulation training device, a support member is disposed between the lower handle and the upper handle, and the support member and the placement member are spaced apart from each other along a length direction of the lower handle.
As an optimal technical scheme of the welding simulation trainer, the welding simulation trainer further comprises a simulation sticker which is arranged separately from the simulation appliance, the simulation sticker can be attached to a simulation operation plane, a welding rod simulation trajectory line is arranged on the simulation sticker and used for simulating the movement track of the simulation welding rod, and a plurality of running time marks are marked on the welding rod simulation trajectory line.
In another aspect, a welding simulation training method is also provided, which includes the following steps: and attaching a simulation paste on a simulation welding plane, then identifying the simulation welding rod to run along the welding rod simulation trajectory line on the simulation paste according to the running time length of the simulation paste, and driving the simulation welding rod to gradually rise in the placing piece through a driving mechanism in the process that the simulation welding rod runs along the welding rod simulation trajectory line.
As a preferred technical solution of the welding simulation trainer,
the utility model has the advantages that: the simulation welding rod wears to establish on placing the piece, and at the in-process of simulation welding, drive mechanism drive simulation welding rod goes up and down to this simulation welding rod is at the consumption speed of welding time, need not consume the welding rod when the simulation training, is favorable to practicing thrift the cost, need not take electric welding practice security to obtain the guarantee, and does not receive the place restriction, and the training person can weld the simulation exercise anytime and anywhere, and the security obtains the guarantee. Through welding the inside cavity that sets up of clamp in the simulation, the accessible is to the inside pouring of cavity with heavy water to increase the whole weight that the clamp was welded in the simulation, make this welding simulation training ware more press close to with real welder's weight, the fidelity is higher, and the effect is better. In addition, the simulation welding clamp with the hollow structure is arranged, and by filling the cavity with heavy water, the processing material of the simulation training material is reduced, so that the cost is saved.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Fig. 1 is a schematic view of a perspective structure of a welding simulation training device according to an embodiment.
Fig. 2 is a schematic perspective view of another perspective of the welding simulation training device according to the embodiment.
Fig. 3 is a schematic structural diagram of the simulation patch according to an embodiment.
Fig. 4 is a schematic structural diagram of a simulation patch according to another embodiment.
In the figure:
1. simulating a welding clamp; 11. a lower handle; 12. an upper handle; 2. placing the piece; 3. a drive mechanism; 31. a drive motor; 32. a drive wheel; 33. a motor control box; 4. an elastic layer; 5. simulating a welding rod; 6. a support member; 7. simulating a trajectory line by using a welding rod; 8. calibrating the line; 9. identifying the running time length; 10. and (6) simulating the patch.
Detailed Description
In order to make the technical problems, technical solutions and technical effects achieved by the present invention more clear, the embodiments of the present invention will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without making creative efforts belong to the protection scope of the present invention.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present application, unless expressly stated or limited otherwise, the recitation of a first feature "on" or "under" a second feature may include the recitation of the first and second features being in direct contact, and may also include the recitation of the first and second features not being in direct contact, but being in contact with another feature between them. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
As shown in fig. 1 and fig. 2, the utility model provides a welding simulation training ware, including the simulation utensil, the simulation utensil welds clamp 1 including the simulation, actuating mechanism 3, simulation welding rod 5 and is used for placing a piece 2 of placing of simulation welding rod 5, places a 2 setting and welds the one end that presss from both sides 1 in the simulation, and the activity of simulation welding rod 5 is worn to establish on placing a 2, and actuating mechanism 3 sets up on the simulation welds clamp 1, and actuating mechanism 3 can drive simulation welding rod 5 and go up and down for placing a 2, and the inside that the clamp 1 was welded in the simulation has the cavity, and the cavity is used for irritating to add heavy water. Simulation welding rod 5 wears to establish on placing 2, and at the in-process of simulation welding, 3 drive simulation welding rods 5 of actuating mechanism go up and down to this simulation welding rod 5 is at the consumption speed of welding time, need not consume the welding rod when the simulation training, is favorable to practicing thrift the cost, need not take electric welding practice security to obtain the guarantee, and not restricted by the place, and the training person can weld the simulation exercise anytime and anywhere, and the security obtains the guarantee. Through welding and pressing from both sides 1 inside cavity that sets up at the simulation, the accessible is to the inside pouring of cavity with water to increase the whole weight that the clamp 1 was welded in the simulation, make this welding simulation training ware more press close to with real welder's weight, the fidelity is higher, and the effect is better. In addition, the simulation welding clamp 1 with the hollow structure is arranged, and the processing materials of the simulation training materials are reduced by pouring the weighting water into the cavity, so that the cost is saved.
The simulation welding clamp 1 comprises a lower handle 11 and a lower handle 11 arranged at an included angle with an upper handle 12, the interiors of the lower handle 11 and the upper handle 12 are provided with cavities, and a placing part 2 is arranged between the lower handle 11 and the upper handle 12. The upper handle 12 and the lower handle 11 are arranged at an included angle, so that the appearance structure of the welding gun is closer to a real welding gun, and the welding training effect is favorably improved.
In other embodiments, cavities may be provided only on the upper handle 12 or only on the lower handle 11.
In this embodiment, the wall thickness of the cavity is 2mm.
In one embodiment, the dummy solder clip 1 is provided with an opening in communication with the cavity, the opening being selectively sealed by a seal. The trompil can be irritated to cavity inside and add heavy water and can also discharge the inside heavy water that adds of cavity, through setting up the trompil, can empty the inside row of aggravating water earlier when needs transport welding simulation training ware, irritate to cavity inside again during the use and add heavy water, convenient transport. In particular, the sealing member may be a sealing plug or a sealing cap, which is screwed to the opening.
Preferably, the simulation welding clamp 1 is made of polycarbonate, and the polycarbonate has mechanical property, high strength, fatigue resistance, stable size and thermal aging resistance, so that the service life of the welding simulation trainer is ensured, and the cost is reduced. Of course, in other embodiments, the dummy solder clips 1 may be made of stainless steel or aluminum alloy.
Specifically, the simulated welding rod 5 is made of cast steel with the length of 375mm and the diameter of 4 mm.
The driving mechanism 3 comprises a driving motor 31 and a driving wheel 32 connected with an output shaft of the driving motor 31, a tooth structure is arranged on the periphery of the simulated welding rod 5, the driving wheel 32 is meshed with the tooth structure, and the driving wheel 32 drives the simulated welding rod 5 to move when being driven by the driving motor 31. In other embodiments, a friction layer may be disposed on the outer circumference of the welding electrode 5, and the driving wheel 32 is in friction fit with the friction layer, so that the welding electrode 5 is moved by the friction force between the friction layer and the driving wheel 32.
Preferably, the driving motor 31 is provided on the lower handle 11, the driving wheel 32 is located near the upper end of the placing member 2, and the driving wheel 32 is located at one end of the placing member 2, so that the driving wheel 32 does not interfere with the position of the simulated welding rod 5, and does not affect the simulated welding training. In addition, the driving motor 31 is arranged on the lower handle 11, and the driving motor 31 increases the weight of the lower handle 11, so that the phenomenon that the upper part is heavy and the lower part is light and the side turn is caused is avoided.
Place a hole of placing that 2 has the setting, simulation welding rod 5 is inserted and is established placing the hole in, and places a hole inside and slide, and driving motor 31 sets up under on handle 11, and drive wheel 32 is close to the upper end of placing a 2. When simulation welding rod 5 wore to establish and places the hole, the upper end and the lower extreme of simulation welding rod 5 expose respectively in the outside of placing the hole, and the lower extreme of simulation welding rod 5 is as simulation welding end, and at simulation welded in-process, actuating mechanism 3 constantly drives simulation welding rod 5 and rises, and the speed that simulation welding rod 5 rises is the speed that the welding rod consumed. Further, the drive motor 31 is provided on the lower handle 11, so that the drive wheel 32 does not interfere with the position of the welding wire simulator 5, and does not affect the simulation training. The driving motor 31 is arranged on the lower handle 11, and the weight of the lower handle 11 is increased through the driving motor 31, so that the phenomenon that the upper part is heavy and the lower part is light and the side turning is caused is avoided.
In this embodiment, the inner diameter of placing piece 2 is 5mm, and the external diameter is 10mm, and length is 40mm, and in other embodiments, the size of placing piece 2 can be adjusted according to actual need is nimble.
Further, the inside wall of placing the hole is provided with elastic layer 4, and elastic layer 4 and simulation welding rod 5 elastic contact are held in placing the hole under the elastic action of elastic layer 4, drive simulation welding rod 5 and rise when actuating mechanism 3 applys drive power to simulation welding rod 5.
In order to control the motion of the driving motor 31 conveniently, the welding simulation training device further comprises a motor control box 33, the motor control box 33 comprises a box body, a battery and a motor controller, the box body is arranged on the lower handle 11, the battery supplies power for the driving motor 31, the controller is electrically connected with the battery, and the battery and the controller are both arranged inside the box body. The rotating speed of the driving motor 31 can be controlled by the motor controller, so as to control the rising speed of the simulated welding rod 5; through set up the battery in the box inside, need not set up the power cord for driving motor 31 power supply, convenient to use from outside extra pulling. In this example, the battery was a 5v battery.
Support members 6 are arranged between the lower handle 11 and the upper handle 12, the support members 6 and the placing member 2 are distributed at intervals along the length direction of the lower handle 11, and the support members 6 are used for providing support force for the upper handle 12 and providing structural strength simulating the welding clamp 1.
Referring to fig. 3 and 4, the welding simulation training device further comprises a simulation sticker 10 which is arranged separately from the simulation appliance, the simulation sticker 10 can be attached to a simulation operation plane, a welding rod simulation trajectory line 7 is arranged on the simulation sticker 10, the welding rod simulation trajectory line 7 is used for simulating a movement trajectory of a welding rod 5, and a plurality of operation duration marks 9 are marked on the welding rod simulation trajectory line 7. During specific simulated welding training, the lower end of the simulated welding rod 5 moves along the welding rod simulated trajectory line 7, and the simulated welding rod 5 runs according to the corresponding running time mark 9 on the welding rod simulated trajectory line 7, so that a trainer can control the motion of the simulated welding rod 5 on the simulated stick, and the trainer can train the standard welding rod motion speed and the welding rod swing amplitude. During actual training, a trainer can control the movement speed of the simulated welding rod 5 by a silent rhythm or breath reading method, and the movement speed is closer to the welding live condition.
Preferably, the simulation sticker 10 is provided with at least two welding rod simulation track lines 7, each welding rod simulation track line 7 is provided with the operation time mark 9, the welding rod simulation track lines 7 can be trained on the same simulation sticker 10, a plurality of simulation stickers 10 do not need to be arranged, and the use is convenient. Of course, in other embodiments, only one welding rod simulation track line 7 may be provided on one simulation sticker 10, and the requirements of different training welding rod simulation track lines 7 may be satisfied by providing a plurality of simulation stickers 10.
Fig. 3 shows one of the simulation pastes 10, a welding rod simulation trajectory line 7 is arranged in the simulation paste 10, a calibration line 8 is arranged in the middle of the welding rod simulation trajectory line 7, and a reference function is provided for a trainer during simulation training, which is beneficial to self calibration and improves training effect, a running time mark 9 is arranged on one side of the welding rod simulation trajectory line 7 along the extending direction of the welding rod simulation trajectory line 7, a "start" is marked on the first running time mark 9, and a "2 second" and a "4 second" are marked on the second running time mark 9 and the third running time mark 9 respectively.
Fig. 4 shows another simulation paster 10, wherein a welding rod simulation trajectory line 7 is arranged in the simulation paster 10, a calibration line 8 is arranged in the middle of the welding rod simulation trajectory line 7, a running time mark 9 is arranged on one side of the welding rod simulation trajectory line 7 along the extending direction of the welding rod simulation trajectory line 7, a "start" is marked on the first running time mark 9, and a "2 second", "4 seconds", "6 seconds", "8 seconds" is respectively marked on the second running time mark 9, the third running time mark 9, the fourth running time mark 9 and the fifth running time mark 9.
In the design, the welding rod simulation track line and the running time identification 9 on the simulation paste 10 can be specifically set according to the welding project to be trained.
When in specific design, a welding rod simulation track line 7 is printed on paper to form a simulation paste 10.
It can be understood that, during actual welding construction, the construction site can hardly influence welding construction by cable wires and power cord lamp obstacles, so that an obstacle simulation line can be arranged on the simulation sticker 10, and a trainer can avoid the obstacle simulation line during welding training, so that the welding training is closer to actual welding operation.
Specifically, the obstacle simulation thread adopts an elastic yarn with the diameter of 10mm and the length of 1 m.
In one embodiment, a welding simulation training method is further provided, in which a welding simulation trainer with any one of the above structures is provided, including the following steps: the simulation sticker 10 is attached to a simulation welding plane, then the simulation welding rod 5 runs along a welding rod simulation trajectory line on the simulation sticker 10 according to the running time mark 9 on the simulation sticker 10, and the simulation welding rod 5 is driven to gradually rise in the placing piece 2 through the driving mechanism 3 in the process of running along the welding rod simulation trajectory line. In the welding simulation training method, the simulation tool is matched with the simulation paste 10, so that the motion trail of the welding rod, the motion speed of the welding rod, the motion swing amplitude of the welding rod and the like can be effectively trained, and welding elements are standardized.
During specific operation, the motion speed of the simulated welding rod 5 on the simulated welding plane can be controlled through the silent rhythm method or the respiratory default method, and the effect of welding training is improved.
In the welding simulation training method, when the simulated welding rod 5 moves to the position corresponding to the obstacle simulation line, the simulated welding rod 5 avoids the obstacle simulation line so as to simulate the obstacle encountered by the welding gun.
In the description herein, it is to be understood that the terms "upper," "lower," "left," "right," and the like are used in an orientation or positional relationship based on what is shown in the drawings for convenience of description and simplicity of operation, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be considered limiting. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
In the description herein, references to "an embodiment," "an example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be appropriately combined to form other embodiments as will be appreciated by those skilled in the art.
The technical principle of the present invention is described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and is not to be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive effort, which would fall within the scope of the present invention.

Claims (9)

1. The utility model provides a welding simulation training ware, a serial communication port, including the simulation utensil, the simulation utensil welds clamp, actuating mechanism, simulation welding rod and is used for placing including the simulation the piece of placing of simulation welding rod, it is in to place a vertical setting the simulation welds the one end of pressing from both sides, the activity of simulation welding rod is worn to establish place on the piece, actuating mechanism sets up on the simulation welds the clamp, actuating mechanism can drive the simulation welding rod for it goes up and down to place a piece, the inside that the clamp was welded in the simulation has the cavity, the cavity is used for pouring and adds heavy water.
2. The welding simulation trainer as claimed in claim 1, wherein the simulation welding clamp comprises a lower handle and an upper handle arranged at an included angle with the lower handle, the cavity is arranged inside the lower handle and/or the upper handle, and the placing member is arranged between the lower handle and the upper handle.
3. The welding simulation trainer of claim 1, wherein the simulated welding clamp is provided with an opening in communication with the cavity, the opening being selectively sealed by a seal.
4. The welding simulation trainer of any one of claims 1 to 3, wherein the simulated welding tongs are made of polycarbonate.
5. The welding simulation trainer of claim 2, wherein the drive mechanism comprises a drive motor and a drive wheel coupled to an output shaft of the drive motor, wherein the outer periphery of the simulated welding rod is provided with a tooth structure, and the drive wheel is in meshing engagement with the tooth structure, or wherein the outer periphery of the simulated welding rod has a friction layer, and the drive wheel is in friction engagement with the friction layer.
6. The welding simulation trainer as claimed in claim 5, wherein the placing member has a placing hole provided therein, the simulated welding rod is inserted into the placing hole, and the placing member is slidable inside the placing hole, the driving motor is provided on the lower handle, and the driving wheel is near an upper end of the placing member.
7. The welding simulation trainer as claimed in claim 5, further comprising a motor control box, the motor control box comprising a box, a battery and a motor controller, the box being disposed on the lower handle, the battery powering the drive motor, the controller being electrically connected to the battery, the battery and the controller both being disposed inside the box.
8. The welding simulation trainer of claim 2, wherein a support member is disposed between the lower handle and the upper handle, the support member and the placement member being spaced apart along a length of the lower handle.
9. The welding simulation trainer as claimed in claim 8, further comprising a simulation sticker separate from the simulation instrument, the simulation sticker capable of being attached to a simulation operation plane, the simulation sticker having a welding rod simulation trajectory line disposed thereon, the welding rod simulation trajectory line for simulating a movement trajectory of the simulation welding rod, the welding rod simulation trajectory line being marked with a plurality of run length indicators.
CN202221237689.6U 2022-05-18 2022-05-18 Welding simulation training device Active CN217932955U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202221237689.6U CN217932955U (en) 2022-05-18 2022-05-18 Welding simulation training device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202221237689.6U CN217932955U (en) 2022-05-18 2022-05-18 Welding simulation training device

Publications (1)

Publication Number Publication Date
CN217932955U true CN217932955U (en) 2022-11-29

Family

ID=84178224

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202221237689.6U Active CN217932955U (en) 2022-05-18 2022-05-18 Welding simulation training device

Country Status (1)

Country Link
CN (1) CN217932955U (en)

Similar Documents

Publication Publication Date Title
CN217932955U (en) Welding simulation training device
ATE411890T1 (en) WELDING MACHINE
CN202113181U (en) Novel electric toothbrush
CN101378200A (en) Body-building energy storage method and energy storage type body-building device
CN207068325U (en) A kind of electric welder's teaching operation training simulation welding machine
CN208372405U (en) A kind of Handheld underwater aircraft
CN211979047U (en) Intelligent insulation resistance tester
CN117438948A (en) Multifunctional robot for power transmission line
CN208902452U (en) A kind of wetland soil sampling instrument
CN104149528B (en) A kind of electric dust absorption blackboard eraser
CN215098189U (en) Underwater charging device
CN106040624B (en) A kind of side hanging dissolved oxygen sensor automatic flushing device
CN206491460U (en) Electronic bottle brushing device
CN110293352B (en) Welding machine track adjustable industrial robot
CN201108703Y (en) Accumulation energy type body building apparatus
CN201489692U (en) Electric welder skill training simulator
CN208863686U (en) A kind of conductive paste brushing easy to use
CN215399535U (en) A paste device for kinetic energy battery protection film
CN211840538U (en) Welding head guiding device for assembled cross-shaped steel column numerical control submerged arc automatic welding machine
CN206479153U (en) A kind of slide rail device for engineering test
CN204204290U (en) A kind of combined type student hand generator
CN209078005U (en) A kind of electric welding machine of rotatable flexible
CN204135577U (en) A kind of welding manipulator
CN204020347U (en) A kind of electric dust absorption blackboard eraser
CN201138526Y (en) Teacher pointer

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant