CN206059664U - A kind of transmission component of electrical tilt antenna - Google Patents

A kind of transmission component of electrical tilt antenna Download PDF

Info

Publication number
CN206059664U
CN206059664U CN201621108186.3U CN201621108186U CN206059664U CN 206059664 U CN206059664 U CN 206059664U CN 201621108186 U CN201621108186 U CN 201621108186U CN 206059664 U CN206059664 U CN 206059664U
Authority
CN
China
Prior art keywords
support
piston
motor
antenna
runner
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
CN201621108186.3U
Other languages
Chinese (zh)
Inventor
林英杰
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.)
Shenzhen Amy Communication Equipment Co Ltd
Original Assignee
Shenzhen Amy Communication Equipment 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 Shenzhen Amy Communication Equipment Co Ltd filed Critical Shenzhen Amy Communication Equipment Co Ltd
Priority to CN201621108186.3U priority Critical patent/CN206059664U/en
Application granted granted Critical
Publication of CN206059664U publication Critical patent/CN206059664U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model discloses a kind of transmission component of electrical tilt antenna, including antenna and first support, 6th support on first support top is provided with the first motor, worm-gear speed reducer is connected with first motor, power transmission shaft is connected with worm-gear speed reducer, second support and the 3rd support are fixed with power transmission shaft, 3rd runner of second support is connected with the second runner of antenna, 3rd support is fixedly arranged above the second motor, second motor connection has drive screw, transmission nut is socketed with drive screw, transmission nut connects the 4th support, the 4th runner on 4th support is connected with the first runner of antenna by connecting rod, piston is additionally provided with 3rd support, the 5th support is fixed with piston rod, the bottom of piston is provided with flexible pipe and is connected with transmission nut.This utility model can improve the deficiencies in the prior art, be capable of achieving the self-lubricating of electrical tilt antenna drive disk assembly, while also adjustable antenna level inclination, enriches the use range of electrical tilt antenna.

Description

A kind of transmission component of electrical tilt antenna
Technical field
This utility model is related to portable antenna base station field, more particularly to a kind of transmission component of electrical tilt antenna.
Background technology
Electrical tilt antenna allows system to be adjusted to Downtilt in the case of non-stop-machine, current electrical tilt antenna, Many angle of declinations that antenna is adjusted by the way of screw-driven, when electrical tilt antenna is adjusted to minimum and maximum angle, it is necessary to Drive mechanism is braked, to ensure the range of accommodation less than antenna, 201207433 Y of Chinese utility model patent CN is public A kind of drive mechanism of electrical tilt antenna has been driven, the defect of mechanism's easy locking when this mechanism improves remote adjustment antenna, but But there is unlubricated mechanism, when using for a long time, still suffer from the risk of running part locking, meanwhile, the mechanism also cannot be to day Line realizes the Inclination maneuver of horizontal direction, limits its use range.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of transmission component of electrical tilt antenna, can solve the problem that existing skill The deficiency of art, is capable of achieving the self-lubricating of electrical tilt antenna drive system, while the Inclination maneuver of horizontal direction also can be carried out to antenna, Enrich the use range of electrical tilt antenna.
To solve above-mentioned technical problem, technical solution adopted in the utility model is as follows.
A kind of transmission component of electrical tilt antenna, including antenna, also including first support, the top and bottom point of first support Two the 6th supports perpendicular to first support are not provided with, the 6th support on first support top is provided with the first motor, first Worm-gear speed reducer is connected with motor, power transmission shaft on worm-gear speed reducer, is connected with, power transmission shaft is mutual with first support Parallel, the two ends of power transmission shaft are socketed on two the 6th supports respectively, and second support and the 3rd support are further fixed on power transmission shaft, the One end of two supports is fixed on power transmission shaft, and the other end of second support is welded with the 3rd runner of an annular, the 3rd turn Wheel is connected with the second runner of the antenna bottom, and the 3rd support is L-shaped structure, and it is electric that the 3rd support is fixedly arranged above second Machine, the second motor connection have drive screw, and transmission nut is socketed with drive screw, and a L-shaped is connected with transmission nut 4th support, one end of the 4th support are connected with transmission nut, and the other end of the 4th support is welded with the 4th of an annular Runner, the 4th runner are connected with first runner on the antenna top by connecting rod, and the two ends of the drive screw are without spiral shell The smooth flat of stricture of vagina, drive screw are socketed with the first spring near the second motor side, are additionally provided with the folded up portion of the 3rd support Piston, is further fixed on the 5th support on the piston rod of piston, the 5th support is located at the end of drive screw, the piston rod and the Three supports are parallel to each other, and second spring is also socketed with piston rod, and the top of the piston is connected with lubricating cup, and the bottom of piston sets There is flexible pipe to be connected with transmission nut.
Preferably, the lubricating cup is provided with the first valve with piston space, the second valve on the flexible pipe, is provided with.
Preferably, the motor is provided with the first proximity switch, the piston is provided with the second proximity switch.
Preferably, the 5th support is that one end open is columnar structured, the non-threaded portion of the drive screw end Divide and stretch in the 5th backing holding cylinder, the drum diameter of the 5th support is identical with the diameter of transmission nut.
Using the beneficial effect brought by above-mentioned technical proposal it is:This utility model includes first support and perpendicular to 6th support of one support, first motor are fixed on the 6th support on top, and the first motor is slowed down by worm and gear Machine connects power transmission shaft, and second support and the 3rd support, wherein the 3rd turn by end of second support are further fixed on power transmission shaft Second runner of wheel connection antenna bottom, the 3rd support are connected to by the second motor, drive screw, the 4th support, connecting rod Second runner of antenna bottom, so as to the top and bottom of antenna are fixed, the first motor that this utility model is adopted Can forward or reverse, when the first motor is rotated, power transmission shaft drives second support and the 3rd support synchronous axial system, so as to be capable of achieving Angle adjustment in antenna horizontal direction, further, is additionally provided with the second motor on the 3rd support of the present utility model, and second is electric Transmission nut is socketed with the drive screw of machine, transmission nut connects the 4th support, and the top and bottom of antenna adopt runner Connected mode, first runner on the top of antenna is connected with the 4th runner on the 4th support by connecting rod, when transmission spiral shell When near the second motor side, antenna keeps vertical state to mother, when the second motor is rotated, drives transmission nut in transmission It is displaced outwardly on screw rod, so as to drive the 4th support to be displaced outwardly, and the connection of the connecting rod and runner that aerial head is adopted is tied Structure, can make, when the 4th support pushes out antenna top, can enable the antenna to, centered on the second runner of antenna bottom, carry out One rotation by a small margin, so as to be capable of achieving the adjustment of Downtilt.
Additionally, the structure of anti-lock and self-lubricating of this utility model also including screw rod, the two ends of the drive screw set Non-threaded configurations are set to, when transmission nut can be made to be moved into the two ends of drive screw, as non-threaded drive screw cannot be after It is continuous to drive transmission nut, so as to the first spring that the braking of practical transmission nut, drive screw are socketed near the second motor side, Transmission nut can be made in the second motor reversal, one thrust of transmission nut can be given so as to smoothly return the spiral shell of drive screw Stricture of vagina position, the 5th support being connected with piston are located at the opposite side of drive screw, and lubricating oil, the bottom of piston are provided with piston It is provided with flexible pipe to be connected with transmission nut, when transmission nut is moved to end, the 5th support can be touched and by its compression Piston, piston can be pushed to lubricating oil in transmission nut when compressing, so as to be lubricated to transmission nut and drive screw, Long-time is prevented using the locking risk that is likely to result in, while getting rusty for transmission nut and drive screw is also avoided, on piston rod The second spring of socket, can make transmission nut when end departs from screw thread, can give one thrust of transmission nut, make transmission nut When the second motor is rotated forward, the screw thread position of drive screw is smoothly returned, and the top of the piston is connected with lubricating cup, can be used to moisten The supply of lubricating oil.
The second valve on first valve and flexible pipe of the lubricating cup and piston space, is one-way cock, when piston compresses When, the second valve is opened, the first valve closing, it is ensured that lubricating oil pushes to transmission nut from piston, when piston rebounds, the Two valve closings, the first valve are opened, it is ensured that by lubricating oil from lubricating cup sucker, second motor is provided with first and connects Near to switch, the piston is provided with the second proximity switch, and this utility model is powered using three-phase electricity, when transmission nut is close to first During proximity switch, the second motor is rotated forward, and when the 5th support is close to the second proximity switch by compression, the second motor reversal is described The structure of the 5th support, it is ensured that transmission nut can smoothly pass through the 5th support compression piston, while and being not result in transmission Nut departs from drive screw.
Description of the drawings
Fig. 1 is the structure chart of one specific embodiment of this utility model.
Fig. 2 is the structure chart of the 3rd bracket upper member in one specific embodiment of this utility model.
Fig. 3 is the structure chart of the 4th support in one specific embodiment of this utility model.
Fig. 4 is the structure chart of antenna maximum angle of declination in one specific embodiment of this utility model.
Fig. 5 is the sectional structure chart of transmission nut in one specific embodiment of this utility model.
In figure:1st, antenna;2nd, the first motor;3rd, the second motor;4th, first support;5th, power transmission shaft;6th, connecting rod;7th, first Runner;8th, the second runner;9th, second support;10th, the 3rd runner;11st, the 3rd support;12nd, the 4th support;13rd, the 4th runner; 14th, transmission nut;15th, drive screw;16th, the first spring;17th, second spring;18th, the 5th support;19th, lubricating cup;20th, the first valve Door;21st, the second valve;22nd, flexible pipe;23rd, piston;24th, piston rod;25th, worm-gear speed reducer;26th, folded up portion;27th, first Proximity switch;28th, the second proximity switch;29th, the 6th support;30th, the first oil circuit;31st, the second oil circuit;32nd, the 3rd oil circuit, 33, Oil outlet;34th, oiler.
Specific embodiment
The standardized element arrived used in this utility model can commercially, and shaped piece is according to description and attached The record of figure can carry out it is customized, the concrete connected mode of each part using bolt ripe in prior art, rivet, The conventional meanses such as welding, stickup, will not be described in detail herein.
Reference picture 1-5, one specific embodiment of this utility model include antenna 1, also including first support 4, the The top and bottom of one support 4 is respectively equipped with two the 6th supports 29 perpendicular to first support 4, and the of 4 top of first support Six supports 29 are provided with the first motor 2, are connected with worm-gear speed reducer 25, on worm-gear speed reducer 25 on the first motor 2 Power transmission shaft 5 is connected with, power transmission shaft 5 is parallel to each other with first support 4, the two ends of power transmission shaft 5 are socketed in two the 6th supports respectively On 29, second support 9 and the 3rd support 11 on power transmission shaft 5, are further fixed on, one end of second support 9 is fixed on power transmission shaft 5, the The other end of two supports 9 is welded with the 3rd runner 10 of an annular, second turn of the 3rd runner 10 and 1 bottom of the antenna Wheel 8 connects, and the 3rd support 11 is L-shaped structure, and the 3rd support 11 is fixedly arranged above the second motor 3, and the second motor 3 is connected with Drive screw 15, is socketed with transmission nut 14 on drive screw 15, the 4th support of a L-shaped is connected with transmission nut 14 12, one end of the 4th support 12 is connected with transmission nut 14, and the other end of the 4th support 12 is welded with the 4th of an annular Runner 13, the 4th runner 13 are connected with first runner 7 on 1 top of the antenna by connecting rod 6, and the two of the drive screw 15 Hold as threadless smooth flat, drive screw 15 is socketed with the first spring 16 near 3 side of the second motor, the 3rd support 11 Piston 23 is additionally provided with folded up portion 26, the 5th support 18 on the piston rod 24 of piston 23, is further fixed on, the 5th support 18 is located at and passes The end of dynamic screw rod 15, the piston rod 24 are parallel to each other with the 3rd support 11, and second spring 17 is also socketed with piston rod 24, The top of the piston 23 is connected with lubricating cup 19, and the bottom of piston 23 is provided with flexible pipe 22 and is connected with transmission nut 14.This practicality is new Type includes first support 4 and the 6th support 29 perpendicular to first support 4, and first motor 2 is fixed on the 6th of top On frame 29, the first motor 2 connects power transmission shaft 5 by worm-gear speed reducer 25, and 9 He of second support is further fixed on power transmission shaft 5 3rd support 11, wherein second support 9 connect the second runner 8 of 1 bottom of antenna, the 3rd support by the 3rd runner 10 of end 11 the first runners 7 that 1 top of antenna is connected to by the second motor 3, drive screw 14, the 4th support 18, connecting rod 6, so as to The top and bottom of antenna 1 are fixed, the first motor 2 that this utility model is adopted can forward or reverse, when first electric When machine 2 is rotated, power transmission shaft 5 drives 11 synchronous axial system of second support 9 and the 3rd support, so as to be capable of achieving in 1 horizontal direction of antenna Angle adjustment, further, on the 3rd support 11 of the present utility model, be additionally provided with the second motor 3, the transmission spiral shell of the second motor 3 Transmission nut 14 is socketed with bar 15, transmission nut 14 connects the 4th support 12, and the top and bottom of antenna 1 is using runner Connected mode, first runner 7 on the top of antenna 1 are connected with the 4th runner 13 on the 4th support 12 by connecting rod 6, work as biography When near the second 3 side of motor, antenna 1 keeps vertical state to dynamic nut 14, when the second motor 3 is rotated, drives transmission Nut 14 is displaced outwardly on drive screw 15, so as to drive the 4th support 12 to be displaced outwardly, and the connection adopted at the top of antenna 1 The attachment structure of bar 6 and runner, can make, when the 4th support 12 pushes out 1 top of antenna, can enable the antenna to antenna bottom The second runner 8 centered on, carry out a rotation by a small margin, so as to be capable of achieving Downtilt adjustment.
Additionally, the structure of anti-lock and self-lubricating of this utility model also including screw rod, the two ends of the drive screw 15 Non-threaded configurations are set to, when transmission nut 14 can be made to be moved into the two ends of drive screw 15, due to non-threaded drive screw 15 cannot continue to drive transmission nut 14, and so as to the braking of practical transmission nut 14, drive screw 15 is near 3 side of the second motor First spring 16 of socket, can make transmission nut 14 when the second motor 3 is inverted, can give 14 1 thrusts of transmission nut, make Which smoothly returns the screw thread position of drive screw 15, and the 5th support 18 being connected with piston 23 is located at the another of drive screw 15 Side, is provided with lubricating oil in piston 23, and the bottom of piston 23 is provided with flexible pipe 22 and is connected with transmission nut 14, when 14 quilt of transmission nut When moving to end, the 5th support 18 can be touched and by its compression piston 23, lubricating oil can be pushed when compressing by piston 23 To in transmission nut 14, so as to be lubricated to transmission nut 14 and drive screw 15, prevent long-time from using and be likely to result in Locking risk, while also avoid getting rusty for transmission nut 14 and drive screw 15, the second spring 17 being socketed on piston rod 24, Transmission nut 14 can be made when end departs from screw thread, 14 1 thrusts of transmission nut can be given, made transmission nut 14 electric second When machine 3 is rotated forward, the screw thread position of drive screw 15 is smoothly returned, and the top of the piston 23 is connected with lubricating cup 19, can be used to moisten The supply of lubricating oil.
The first valve 20 is provided between the lubricating cup 19 and piston 23, the second valve 21 on the flexible pipe 22, is provided with.It is described The second valve 21 on the first valve 20 and flexible pipe 22 between lubricating cup 19 and piston 23, is one-way cock, when piston 23 compresses When, the second valve 21 is opened, and the first valve 20 is closed, it is ensured that lubricating oil pushes to transmission nut 14 from piston 23, works as piston 23 when rebounding, and the second valve 21 is closed, and the first valve 20 is opened, it is ensured that by lubricating oil from 19 sucker 23 of lubricating cup.It is described Second motor 3 is provided with the first proximity switch 27, and the piston 23 is provided with the second proximity switch 28.On second motor 3 The first proximity switch 27 is provided with, the piston 23 is provided with the second proximity switch 28, and this utility model is powered using three-phase electricity, when When transmission nut 14 is close to the first proximity switch 27, the second motor 3 is rotated forward, when the 5th support 18 by compression be close to second be close to open When closing 28, the second motor 3 is inverted, and the 5th support 18 is that one end open is columnar structured, 15 end of the drive screw Unthreaded portion is stretched in 18 cylinder of the 5th support, and the drum diameter of the 5th support 18 is identical with the diameter of transmission nut 14.Institute State the structure of the 5th support 18, it is ensured that transmission nut 14 can smoothly pass through 18 compression piston 23 of the 5th support, while and not Transmission nut 14 can be caused to depart from drive screw 15.
In addition, to ensure to 15 uniform lubricant effect of transmission nut 14 and drive screw, this utility model is additionally provided The lower section that a kind of inside has 14 structure of transmission nut of oil circuit, the transmission nut 14 is provided with oiler 34, the flexible pipe 22 It is connected on oiler 34, inside transmission nut 14, is additionally provided with first oil circuit 30 and the second oil circuit 31 of annular, the first oil circuit 30 are connected with oiler 34, and the first oil circuit 30 is connected by the 3rd oil circuit 32 with the second oil circuit 31, and the 3rd oil circuit 32 is located at transmission The top of nut 14, is also uniformly provided with the inner ring that some oil outlets 33 are communicated in transmission nut 14 on second oil circuit 31, leads to Said structure is crossed, lubricating oil passes through in the first oil circuit 30 that oiler 34 is entered into inside transmission nut from flexible pipe 22, lubrication Oil after gradually rising full first oil circuit 30 of filling, enters into the second oil circuit by the 3rd oil circuit 32 under 23 thrust of piston In 31, under 23 thrust of piston and action of gravity, lubricating oil enters into transmission nut by the oil outlet 33 on the second oil circuit 31 14 inner ring, and progressively penetrate on drive screw 15, the uniform lubrication of transmission nut 14 and drive screw 15 is realized, by this The transmission nut 14. of structure can make the effect of oil lubrication evenly, improve the utilization rate of lubricant effect and lubricating oil.
Wherein, the device such as worm-gear speed reducer used in this utility model belongs to ripe prior art, this practicality Motor positive and inverse operation principle employed in new, it is public in detail in 205070852 U of Chinese utility model patent CN Open, will not be described in detail herein its concrete structure.
In description of the present utility model, it is to be understood that term " longitudinal direction ", " horizontal ", " on ", D score, " front ", " afterwards ", the orientation or position relationship of the instruction such as "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outward " be based on Orientation shown in the drawings or position relationship, are for only for ease of description this utility model, rather than indicate or imply the dress of indication Put or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to this utility model Restriction.
Ultimate principle of the present utility model and principal character and advantage of the present utility model has been shown and described above.One's own profession The technical staff of industry it should be appreciated that this utility model is not restricted to the described embodiments, described in above-described embodiment and description Simply illustrate principle of the present utility model, on the premise of without departing from this utility model spirit and scope, this utility model is also Various changes and modifications are had, these changes and improvements are both fallen within the range of claimed this utility model.This utility model Claimed scope is by appending claims and its equivalent thereof.

Claims (4)

1. a kind of transmission component of electrical tilt antenna, including antenna (1), it is characterised in that:Also including first support (4), first The top and bottom of frame (4) is respectively equipped with two the 6th supports (29) perpendicular to first support (4), first support (4) top The 6th support (29) be provided with the first motor (2), worm-gear speed reducer (25), worm gear snail are connected with the first motor (2) Power transmission shaft (5) is connected with bar reductor (25), power transmission shaft (5) is parallel to each other with first support (4), the two ends of power transmission shaft (5) It is socketed on two the 6th supports (29) respectively, on power transmission shaft (5), is further fixed on second support (9) and the 3rd support (11), the One end of two supports (9) is fixed on power transmission shaft (5), and the other end of second support (9) is welded with the 3rd turn of an annular Wheel (10), the 3rd runner (10) are connected with second runner (8) of the antenna (1) bottom, and the 3rd support (11) is tied for L-shaped Structure, the 3rd support (11) are fixedly arranged above the second motor (3), and the second motor (3) is connected with drive screw (15), drive screw (15) transmission nut (14) is socketed with, the 4th support (12) of a L-shaped, the 4th support on transmission nut (14), is connected with (12) one end is connected with transmission nut (14), and the other end of the 4th support (12) is welded with the 4th runner of an annular (13), the 4th runner (13) is connected with first runner (7) on the antenna (1) top by connecting rod (6), the drive screw (15) two ends are threadless smooth flat, and close second motor (3) side of drive screw (15) is socketed with the first spring (16) piston (23) is additionally provided with the folded up portion (26) of the 3rd support (11), is further fixed on the piston rod (24) of piston (23) 5th support (18), the 5th support (18) positioned at the end of drive screw (15), the piston rod (24) and the 3rd support (11) It is parallel to each other, second spring (17) is also socketed with piston rod (24), the top of the piston (23) is connected with lubricating cup (19), living The bottom of plug (23) is provided with flexible pipe (22) and is connected with transmission nut (14).
2. the transmission component of a kind of electrical tilt antenna according to claim 1, it is characterised in that;The lubricating cup (19) and piston (23) the first valve (20) is provided between, on the flexible pipe (22), the second valve (21) is provided with.
3. the transmission component of a kind of electrical tilt antenna according to claim 1, it is characterised in that:On second motor (3) The first proximity switch (27) is provided with, the piston (23) is provided with the second proximity switch (28).
4. the transmission component of a kind of electrical tilt antenna according to claim 1, it is characterised in that:5th support (18) is One end open is columnar structured, and the unthreaded portion of drive screw (15) end is stretched in the 5th support (18) cylinder, the The drum diameter of five supports (18) is identical with the diameter of transmission nut (14).
CN201621108186.3U 2016-10-10 2016-10-10 A kind of transmission component of electrical tilt antenna Expired - Fee Related CN206059664U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621108186.3U CN206059664U (en) 2016-10-10 2016-10-10 A kind of transmission component of electrical tilt antenna

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621108186.3U CN206059664U (en) 2016-10-10 2016-10-10 A kind of transmission component of electrical tilt antenna

Publications (1)

Publication Number Publication Date
CN206059664U true CN206059664U (en) 2017-03-29

Family

ID=58363739

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201621108186.3U Expired - Fee Related CN206059664U (en) 2016-10-10 2016-10-10 A kind of transmission component of electrical tilt antenna

Country Status (1)

Country Link
CN (1) CN206059664U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109802237A (en) * 2019-02-01 2019-05-24 摩比科技(深圳)有限公司 The angle of declination regulating device and electrical tilt antenna of electrical tilt antenna

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109802237A (en) * 2019-02-01 2019-05-24 摩比科技(深圳)有限公司 The angle of declination regulating device and electrical tilt antenna of electrical tilt antenna
CN109802237B (en) * 2019-02-01 2021-02-19 摩比科技(深圳)有限公司 Downtilt angle adjusting device of electrically tunable antenna and electrically tunable antenna

Similar Documents

Publication Publication Date Title
CN206156464U (en) Portable welding wire wind
CN107352328A (en) A kind of electronic product anti-wrap device
CN208268685U (en) A kind of telescopic rotatable camera
CN206059664U (en) A kind of transmission component of electrical tilt antenna
CN203410544U (en) Bicycle lifting seat post device
CN207230972U (en) A kind of solar bracket of adjustable-angle
CN209681030U (en) The energy saving pier head machine of automatic blanking
CN108527378A (en) A kind of Song Cai robots that can be served automatically
CN209856612U (en) Novel Christmas tree clamp leak stopper
CN208885386U (en) A kind of turbocharger facilitating installation
CN206924370U (en) A kind of football training is with can quick stationary type conical post
CN206774356U (en) A kind of support for being used to support transformer
CN202964561U (en) Rotating opening mechanism
CN204344843U (en) Two-stage adds auxiliary force spindle gear
CN204344856U (en) Abreast-type adds auxiliary force spindle gear
CN212178417U (en) Video monitoring device with multi-angle speed adjusting function
CN210264032U (en) Assembled side top supporting structure constructs twists axle device
CN107253154A (en) A kind of pressing device
CN209540457U (en) A kind of automatic oil dripping device of textile machines
CN207821437U (en) A kind of rotary tower type Intelligent office storage device
CN207172252U (en) A kind of plastic plate borehole head
CN203146732U (en) Two-level screw rod linkage lifting device
CN207648073U (en) A kind of movable sliding block
CN208485273U (en) A kind of novel framework oil sealing material library stand-alone device
CN207879999U (en) A kind of great lead ball lead screw pair

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: 20170329

Termination date: 20171010