CN209831611U - Measurement and control instrument liftable adjustment installation device - Google Patents

Measurement and control instrument liftable adjustment installation device Download PDF

Info

Publication number
CN209831611U
CN209831611U CN201820393107.0U CN201820393107U CN209831611U CN 209831611 U CN209831611 U CN 209831611U CN 201820393107 U CN201820393107 U CN 201820393107U CN 209831611 U CN209831611 U CN 209831611U
Authority
CN
China
Prior art keywords
top end
oil
motor
control
measurement
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.)
Expired - Fee Related
Application number
CN201820393107.0U
Other languages
Chinese (zh)
Inventor
刘佰霖
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.)
Guangdong Polytechnic Normal University
Original Assignee
Guangdong Polytechnic Normal University
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 Guangdong Polytechnic Normal University filed Critical Guangdong Polytechnic Normal University
Priority to CN201820393107.0U priority Critical patent/CN209831611U/en
Application granted granted Critical
Publication of CN209831611U publication Critical patent/CN209831611U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

The utility model provides a observe and control instrument liftable adjustment installation device, including supporting seat, universal wheel, brake, standing groove, battery, oil tank, oil pump, first motor, take out oil pipe, lead oil pipe, hydraulic pressure elevating gear and workstation. The utility model has the advantages that: through rotary device's setting, be favorable to passing through output shaft drive pinion just reversal through control button control second motor, thereby make the pinion drive the gear wheel just reversal, thereby make the gear wheel drive the workstation just reversal through the pivot, thereby change the direction of workstation, avoid appearing needing to rotate the direction that the health changes the workstation through the user, lead to awkward problem, through the setting of light, be favorable to carrying out the switch illumination to the light lamp through the control button, simultaneously can also adjust the illumination angle and the direction of light through buckling and twisting the hose, avoid appearing needing to pass through handheld other lighting device night, the problem of installation effectiveness has been reduced.

Description

Measurement and control instrument liftable adjustment installation device
Technical Field
The utility model belongs to the technical field of installation device equipment, especially, relate to a measurement and control instrument liftable adjustment installation device.
Background
At present, the measuring and controlling instrument is a measuring instrument with a wide range by using the measuring and controlling theory and adopting various measuring and testing principles of machine, electricity and light and the combination of a control system and a computer. Observe and control instrument liftable adjustment installation device is a common installation device equipment, and prior art is china patent publication number CN 201720617307.5's a observe and control instrument multi-angle adjustment installation device, the on-line screen storage device comprises a base, and the base upper surface is provided with the arc recess, support column and controlling means, and the arc recess centers on the support column setting, and slidable is provided with support cylinder and drive arrangement in the arc recess, and drive arrangement drives support cylinder for it can rotate along the arc recess, support cylinder top fixedly connected with backup pad, mobilizable nest block that is provided with on the support column, the one end and the nest block fixed connection of backup pad, still be provided with fixing device and toolbox on the nest block, the under-base surface is provided with electric roller, drive arrangement, support cylinder, fixing device and electric roller are connected with controlling means respectively.
However, the existing measurement and control instrument lifting adjustment mounting device also has the problem that the direction of the workbench needs to be changed by rotating the body of a user, so that the use is inconvenient, and meanwhile, the mounting efficiency is reduced by holding other lighting devices at night.
Therefore, the invention discloses a measurement and control instrument lifting adjustment mounting device which is very necessary.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a observe and control instrument liftable adjustment installation device to solve current observe and control instrument liftable adjustment installation device and still having the direction that needs rotate the health through the user and change the workstation, lead to awkward problem, need pass through handheld other lighting device at night simultaneously, reduced the problem of installation effectiveness.
A measurement and control instrument lifting adjustment and installation device comprises a supporting seat, universal wheels, a brake, a placing groove, a storage battery, an oil tank, an oil pump, a first motor, an oil pumping pipe, an oil guide pipe, a workbench, a guardrail, a hydraulic lifting device, a rotating device, a control panel, control keys, a hose, a lamp holder and a lighting lamp, wherein the universal wheels are arranged at four corners of the bottom end of the supporting seat, the brake is arranged at the top of the right end of each universal wheel, the placing groove is arranged on the left side of the top end face of the supporting seat, the storage battery is arranged at the front end inside the placing groove, the oil tank is arranged at the rear end inside the placing groove, the oil pump is arranged at the top end of the oil tank, the first motor is arranged at the top end of the oil pump, the left end of the oil pump is inserted into the left front side of the, the hydraulic lifting device is characterized in that a rotating device is arranged at the top end of the hydraulic lifting device, a workbench is arranged at the top end of the rotating device, four sides of the top end face of the workbench are provided with guardrails, a control panel is arranged at the left upper corner of the inner rear end of each guardrail, control buttons are arranged on the front end face of the control panel, a hose is arranged at the right side of the top end face of the control panel, a lamp holder is arranged at the right end of the hose, a lighting lamp is arranged in the middle of the right end of the lamp holder, the hydraulic lifting device is composed of a hydraulic cylinder, a piston rod, a mounting plate, bolts, a sealing ring and an oil pipe interface, the piston is arranged inside the hydraulic cylinder and is in sliding connection with the hydraulic cylinder, the piston, the screw bolt is connected with the mounting plate through screw thread, the outer surface of the piston is provided with a sealing ring, the bottom end of the front end surface of the hydraulic cylinder is provided with an oil pipe interface, the bottom end of the mounting plate is connected with the support seat through screw thread through the screw bolt, the front end of the oil pipe interface is spliced with the right end of an oil guide pipe, the top end of the piston rod is welded with a rotating device, the rotating device consists of a gear box, a large gear, a small gear, a protective cover, a second motor, an output shaft and a rotating shaft, the left end inside the gear box is provided with a large gear, the right end inside the gear box is provided with a small gear, the large gear is meshed with the small gear, the protective cover is positioned at the right side of the bottom, the rotary table is characterized in that a rotating shaft is arranged in the middle of the top end of the large gear, the top end of the rotating shaft penetrates through the gear box to be welded with the bottom end of the working table, the first motor, the second motor and the illuminating lamp are electrically connected with the control key through the microprocessor, and the control key is electrically connected with the storage battery.
Preferably, an impeller is arranged inside the oil pump, and the top end of the impeller is welded with the rotating shaft of the first motor.
Preferably, the bottom end of the oil pumping pipe penetrates through the bottom end inside the oil tank.
Preferably, a tool box is arranged in the middle of the top end of the right end face in the guardrail.
Preferably, the hose can be flexibly bent and twisted.
Preferably, a protective lampshade is arranged at the right end of the lamp holder and on the outer layer of the illuminating lamp, and the protective lampshade is transparent.
Compared with the prior art, the utility model discloses following beneficial effect has: because the utility model discloses a observe and control instrument liftable adjustment installation device wide application in installation device equipment technical field. And simultaneously, the beneficial effects of the utility model are that:
1. the utility model discloses in, the inside impeller that is provided with of oil pump to the impeller top welds with first motor axis of rotation, is favorable to passing through the high-speed rotation of impeller in the axis of rotation drive oil pump through first motor, thereby produces centrifugal force in making the oil pump, thereby can be with in the hydraulic oil suction pneumatic cylinder.
2. The utility model discloses in, take out the inside bottom of oil tank, be favorable to taking hydraulic oil out through the oil pumping pipe is better, when preventing that hydraulic oil is too little in the oil tank, can't carry out the problem of normal oil pumping.
3. The utility model discloses in, guardrail inside right-hand member face top middle part is provided with the tool holder, is favorable to placing some required instruments that use of observing and controlling instrument installation through the tool holder to conveniently install and use.
4. The utility model discloses in, the wrench movement can be buckled in a flexible way to the hose, is favorable to turning round the hose through buckling and adjusts the direction of illumination and the angle of light to reach better illuminating effect, make things convenient for work at night.
5. The utility model discloses in, the lamp stand right-hand member is provided with protective lampshade with the light skin to protective lampshade is the transparence, is favorable to playing the guard action to the light through protective lampshade, can not influence the light normal lighting simultaneously.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of the region a of the present invention.
Fig. 3 is a schematic structural diagram of the hydraulic lifting device of the present invention.
Fig. 4 is a schematic structural view of the rotating device of the present invention.
Fig. 5 is a schematic structural view of the inside of the fuel tank of the present invention.
Fig. 6 is a schematic structural view of the movable frame structure of the present invention.
In the figure:
a supporting seat-1, a universal wheel-2, a brake-3, a placing groove-4, a storage battery-5, an oil tank-6, an oil pump-7, a first motor-8, an oil pumping pipe-9, an oil guide pipe-10, a hydraulic lifting device-11, a workbench-12, a guardrail-13, a rotating device-14, a control panel-15, a control key-16, a hose-17, a lamp holder-18, a lighting lamp-19, a hydraulic cylinder-111, a piston-112, a piston rod-113, an installation plate-114, a bolt-115, a sealing ring-116, an oil pipe interface-117, a gear box-141, a large gear-142, a small gear-143, a protective cover-144, a second motor-145, an output shaft-146, A rotating shaft-147, a tool box-131 and a protective lampshade-181.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
example (b):
as shown in figures 1 to 6
The utility model provides a liftable adjustment and installation device for a measurement and control instrument, which comprises a supporting seat 1, universal wheels 2, a brake 3, a placing groove 4, a storage battery 5, an oil tank 6, an oil pump 7, a first motor 8, an oil pumping pipe 9, an oil guide pipe 10, a hydraulic lifting device 11, a workbench 12, a guardrail 13, a rotating device 14, a control panel 15, a control key 16, a hose 17, a lamp holder 18 and a lighting lamp 19, wherein the universal wheels 2 are arranged at four corners of the bottom end of the supporting seat 1, the brake 3 is arranged at the top of the right end of the universal wheels 2, the placing groove 4 is arranged at the left side of the top end face of the supporting seat 1, the storage battery 5 is arranged at the front end inside the placing groove 4, the oil tank 6 is arranged at the rear end inside the placing groove 4, the oil pump 7 is arranged at the top end of the oil tank 6, the first motor 8 is arranged at the, the right end of the oil pump 7 is provided with an oil guide pipe 10, the hydraulic lifting device 11 is positioned on the right side of the top end face of the support seat 1 and is in bolted connection with the support seat 1, the top end of the hydraulic lifting device 11 is provided with a rotating device 14, the top end of the rotating device 14 is provided with a workbench 12, four sides of the top end face of the workbench 12 are respectively provided with a guardrail 13, the left upper corner of the rear end inside the guardrail 13 is provided with a control panel 15, the front end face of the control panel 15 is provided with a control key 16, the right side of the top end face of the control panel 15 is provided with a hose 17, the right end of the hose 17 is provided with a lamp holder 18, the middle part of the right end of the lamp holder 18 is provided with an illuminating lamp 19, the hydraulic lifting device 11 consists of a hydraulic cylinder 111, a piston 112, a piston, the piston rod 113 is located at the top end of the hydraulic cylinder 111, the bottom end of the piston rod 113 penetrates through the hydraulic cylinder 111 and is welded with the middle of the top end of the piston 112, the bottom end of the hydraulic cylinder 111 is provided with an installation plate 114, four corners of the installation plate 114 are provided with bolts 115, the bolts 115 are in threaded connection with the installation plate 114, the outer surface of the piston 112 is provided with a sealing ring 116, the bottom end of the front end surface of the hydraulic cylinder 111 is provided with an oil pipe interface 117, the bottom end of the installation plate 114 is in threaded connection with the support seat 1 through the bolts 115, the front end of the oil pipe interface 117 is inserted into the right end of the oil guide pipe 10, the top end of the piston rod 113 is welded with the rotating device 14, the rotating device 14 is composed of a gear box 141, a large gear 142, a small gear 143, a protective, the utility model discloses a welding machine, including gear wheel 142, protection casing 144, workstation 142, workstation 12, first motor 8, second motor 145 and light 19, intermeshing between gear wheel 142 and the pinion 143, protection casing 144 is located gear box 141 bottom right and with gear box 141 bolted connection, the inside second motor 145 that is provided with of protection casing 144, second motor 145 top runs through gear box 141 through output shaft 146 and welds with pinion 143 bottom middle part, gear wheel 142 top middle part is provided with pivot 147, pivot 147 top runs through gear box 141 and welds with workstation 12 bottom, first motor 8, second motor 145 and light 19 all are connected through microprocessor and control button 16 electricity, control button 16 is connected with the battery 5 electricity.
In the above embodiment, it is concrete, the inside impeller that is provided with of oil pump 7 to the impeller top welds with first motor 8 axis of rotation, is favorable to passing through the impeller high-speed rotation that the axis of rotation drove in the oil pump 7 through first motor 8, thereby produces centrifugal force in making oil pump 7, thereby can be with in the hydraulic cylinder 111 of hydraulic oil suction.
In the above embodiment, specifically, the bottom end of the oil pumping pipe 9 penetrates through the bottom end inside the oil tank 6, which is beneficial to pumping out hydraulic oil better through the oil pumping pipe 9, and the problem that normal oil pumping cannot be performed when the hydraulic oil in the oil tank 6 is too little is prevented.
In the above-mentioned embodiment, it is concrete, guardrail 13 inside right-hand member face top middle part is provided with tool holder 131, is favorable to placing the required instrument that uses of some observing and controlling instrument installations through tool holder 131 to conveniently install and use.
In the above embodiment, it is concrete, the hose 17 can be buckled and twisted flexibly, and the lighting direction and the angle of the lighting lamp 19 can be adjusted by buckling and twisting the hose 17, so that a better lighting effect is achieved, and the night work is facilitated.
In the above embodiment, specifically, the protective lampshade 181 is arranged on the right end of the lamp holder 18 and the outer layer of the illuminating lamp 19, and the protective lampshade 181 is transparent, so that the protective lampshade 181 can protect the illuminating lamp 19 and the normal illumination of the illuminating lamp 19 is not affected.
In the above embodiment, specifically, the hose 17 is made of glass fiber reinforced plastic, and has high toughness and long service life.
In the above embodiment, particularly, the gear box 141 is made of gray cast iron, which has high strength and shock absorption effect.
Principle of operation
The utility model discloses a theory of operation: when the device is used, the storage battery 5 is firstly taken down and fully charged, then the storage battery 5 is installed on the placing groove 4, and the connection is carried out, then the installation device is moved to a proper position where a measurement and control instrument needs to be installed through the universal wheel 2, then the installation device is fixed through the lower pressure brake 3, then a user stands on the workbench 12, and the first motor 8 is controlled to operate through the control key 16 on the control panel 15, the first motor 8 can drive the impeller in the oil pump 7 to rotate at a high speed through the rotating shaft, so that centrifugal force is generated in the oil pump 7, hydraulic oil in the oil tank 6 can be pumped into the oil pump 7 through the oil pumping pipe 9, then the hydraulic oil is led into the hydraulic cylinder 111 through the oil pipe interface 117 by the oil guide pipe 10, hydraulic pressure can be generated in the hydraulic cylinder 111 after the hydraulic oil is led, so that the piston 112 drives the piston rod, on the contrary, the working table 12 can be lowered to adjust the height, meanwhile, the control button 16 can control the second motor 145 to drive the pinion 143 to rotate forward and backward through the output shaft 146, so that the pinion 143 drives the gearwheel 142 to rotate forward and backward, so that the gearwheel 142 drives the working table 12 to rotate forward and backward through the rotating shaft 147, thereby changing the direction of the working table 12, meanwhile, the control button 16 can be used for lighting the lighting lamp 19 by turning on and off, and meanwhile, the hose 17 can be bent and twisted to adjust the lighting angle and direction of the lighting lamp 19, thereby avoiding the problem that other lighting devices need to be held by hands at night, reducing the installation efficiency, meanwhile, the bottom end of the oil pumping pipe 9 penetrates through the bottom end inside the oil tank 6, being beneficial to better pumping the hydraulic oil through the oil pumping pipe 9, and preventing the problem that the oil pumping cannot be normally performed when the hydraulic, meanwhile, the tool box 131 is arranged in the middle of the top end of the right end face inside the guardrail 13, tools needed by measurement and control instrument installation can be placed conveniently through the tool box 131, installation and use are convenient, meanwhile, the protective lampshade 181 is arranged on the right end of the lamp holder 18 and the outer layer of the illuminating lamp 19, the protective lampshade 181 is transparent, protection of the illuminating lamp 19 through the protective lampshade 181 is facilitated, and normal illumination of the illuminating lamp 19 can not be influenced.
Utilize technical scheme, or technical personnel in the field are in the utility model discloses under technical scheme's the inspiration, design similar technical scheme, and reach above-mentioned technological effect, all fall into the utility model discloses a protection scope.

Claims (6)

1. The utility model provides a measurement and control instrument liftable adjustment installation device, includes supporting seat (1), universal wheel (2), brake ware (3), standing groove (4), battery (5), oil tank (6), oil pump (7), first motor (8), oil pumping pipe (9), leads oil pipe (10), workstation (12) and guardrail (13), its characterized in that: the automobile brake device is characterized by further comprising a hydraulic lifting device (11), a rotating device (14), a control panel (15), control keys (16), a hose (17), a lamp holder (18) and a lighting lamp (19), universal wheels (2) are arranged at four corners of the bottom of the supporting seat (1), a brake (3) is arranged at the top of the right end of each universal wheel (2), a placing groove (4) is arranged on the left side of the top end face of the supporting seat (1), a storage battery (5) is arranged at the front end inside the placing groove (4), an oil tank (6) is arranged at the rear end inside the placing groove (4), an oil pump (7) is arranged at the top end of the oil tank (6), a first motor (8) is arranged at the top end of the oil pump (7), the left end of the oil pump (7) is spliced with the left front side of the top end face of the oil tank, hydraulic lifting device (11) are located supporting seat (1) top end face the right and with supporting seat (1) bolted connection, hydraulic lifting device (11) top is provided with rotary device (14), rotary device (14) top is provided with workstation (12), workstation (12) top end face four sides all are provided with guardrail (13), guardrail (13) inside rear end upper left corner is provided with control panel (15), control panel (15) preceding terminal surface is provided with control button (16), control panel (15) top end face the right is provided with hose (17), hose (17) right-hand member is provided with lamp stand (18), lamp stand (18) right-hand member middle part is provided with light (19), hydraulic lifting device (11) are by pneumatic cylinder (111), piston (112), piston rod (113), mounting panel (114), bolt (115), The oil pipe connecting device comprises a sealing ring (116) and an oil pipe connector (117), a piston (112) is arranged inside a hydraulic cylinder (111), the piston (112) is connected with the hydraulic cylinder (111) in a sliding mode, a piston rod (113) is located at the top end of the hydraulic cylinder (111), the bottom end of the piston rod (113) penetrates through the hydraulic cylinder (111) and is welded with the middle of the top end of the piston (112), a mounting plate (114) is arranged at the bottom end of the hydraulic cylinder (111), bolts (115) are arranged in four corners of the mounting plate (114), the bolts (115) are in threaded connection with the mounting plate (114), the sealing ring (116) is arranged on the outer surface of the piston (112), the oil pipe connector (117) is arranged at the bottom end of the front end face of the hydraulic cylinder (111), the bottom end of the mounting plate (114) is in threaded connection with a supporting seat (, the top end of the piston rod (113) is welded with the rotating device (14), the rotating device (14) is composed of a gear box (141), a large gear (142), a small gear (143), a protective cover (144), a second motor (145), an output shaft (146) and a rotating shaft (147), the large gear (142) is arranged at the left end inside the gear box (141), the small gear (143) is arranged at the right end inside the gear box (141), the large gear (142) is meshed with the small gear (143), the protective cover (144) is located on the right side of the bottom end of the gear box (141) and is connected with the gear box (141) through bolts, the second motor (145) is arranged inside the protective cover (144), the top end of the second motor (145) penetrates through the gear box (141) through the output shaft (146) to be welded with the middle of the bottom end of the small gear (143), and the, the top end of the rotating shaft (147) penetrates through the gear box (141) and is welded with the bottom end of the workbench (12), the first motor (8), the second motor (145) and the illuminating lamp (19) are electrically connected with the control key (16) through the microprocessor, and the control key (16) is electrically connected with the storage battery (5).
2. The measurement and control instrument lifting adjustment mounting device as claimed in claim 1, wherein an impeller is arranged inside the oil pump (7), and the top end of the impeller is welded with the rotating shaft of the first motor (8).
3. The lifting adjustment and installation device for the measurement and control instrument according to claim 1, wherein the bottom end of the oil pumping pipe (9) penetrates through the bottom end of the inside of the oil tank (6).
4. The lifting adjustment and installation device for the measurement and control instrument according to claim 1, wherein a tool box (131) is arranged in the middle of the top end of the right end face inside the guardrail (13).
5. The device for lifting, adjusting and installing a measurement and control instrument as claimed in claim 1, wherein the flexible tube (17) can be flexibly bent and twisted.
6. The measurement and control instrument lifting adjustment mounting device as claimed in claim 1, wherein a protective lampshade (181) is arranged at the right end of the lamp holder (18) and the outer layer of the illuminating lamp (19), and the protective lampshade (181) is transparent.
CN201820393107.0U 2018-03-22 2018-03-22 Measurement and control instrument liftable adjustment installation device Expired - Fee Related CN209831611U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820393107.0U CN209831611U (en) 2018-03-22 2018-03-22 Measurement and control instrument liftable adjustment installation device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820393107.0U CN209831611U (en) 2018-03-22 2018-03-22 Measurement and control instrument liftable adjustment installation device

Publications (1)

Publication Number Publication Date
CN209831611U true CN209831611U (en) 2019-12-24

Family

ID=68896094

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820393107.0U Expired - Fee Related CN209831611U (en) 2018-03-22 2018-03-22 Measurement and control instrument liftable adjustment installation device

Country Status (1)

Country Link
CN (1) CN209831611U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113371637A (en) * 2021-07-01 2021-09-10 迅元贝力科技(武汉)有限公司 Explosion-proof hydraulic lighthouse

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113371637A (en) * 2021-07-01 2021-09-10 迅元贝力科技(武汉)有限公司 Explosion-proof hydraulic lighthouse

Similar Documents

Publication Publication Date Title
CN208140327U (en) A kind of novel shock table
CN209831611U (en) Measurement and control instrument liftable adjustment installation device
CN113882830A (en) Energy-saving environment-friendly casing head
CN210365957U (en) Feeding device is used in diffuser plate production
CN210890836U (en) Simple angle adjusting mechanism of automobile checking fixture
CN205110983U (en) Fortune silk mechanism of spark -erosion wire cutting machine bed is exclusively used in
CN218716887U (en) Coal mine excavation supporting structure
CN214321896U (en) Brake pump shell multistation drilling frock
CN209924377U (en) Drilling equipment for interior decoration
CN212004932U (en) Pipeline detection device for municipal administration
CN209936491U (en) Novel computer numerical control graduated disk convenient to dismouting
CN220249866U (en) Maintenance lighting device for automobile engineering service
CN112551456A (en) Subway maintenance aerial work platform with good protection effect
CN208451021U (en) A kind of automatic locking screw machine is with can automatic rotating platform
CN214405760U (en) Tunnel lighting system
CN110817751A (en) Explosion-proof forklift
CN221220713U (en) Electric hydraulic pump convenient to carry
CN214446391U (en) Pneumatic roller clamping manipulator for industrial manipulator
CN220806109U (en) Nut repair equipment
CN212565567U (en) Lighting device is used in municipal administration bridge construction
CN211727748U (en) Cylinder of motor promotes structure
CN218503820U (en) Assembling platform for electrolytic capacitor-free LED driving power supply
CN217942515U (en) Pneumatic tapping machine is used in microscope production
CN215149010U (en) Vapour is repaiied and is detected auxiliary device
CN221035582U (en) Building lighting equipment

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20191224

Termination date: 20210322