CN108857459A - A kind of intelligent machine tool damping base - Google Patents

A kind of intelligent machine tool damping base Download PDF

Info

Publication number
CN108857459A
CN108857459A CN201811205822.8A CN201811205822A CN108857459A CN 108857459 A CN108857459 A CN 108857459A CN 201811205822 A CN201811205822 A CN 201811205822A CN 108857459 A CN108857459 A CN 108857459A
Authority
CN
China
Prior art keywords
fixedly connected
support
damping
machine tool
support shaft
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.)
Withdrawn
Application number
CN201811205822.8A
Other languages
Chinese (zh)
Inventor
胡绪军
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.)
Jiangsu Create Intelligent Cnc Technology Co Ltd
Original Assignee
Jiangsu Create Intelligent Cnc Technology 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 Jiangsu Create Intelligent Cnc Technology Co Ltd filed Critical Jiangsu Create Intelligent Cnc Technology Co Ltd
Priority to CN201811205822.8A priority Critical patent/CN108857459A/en
Publication of CN108857459A publication Critical patent/CN108857459A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q1/00Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
    • B23Q1/01Frames, beds, pillars or like members; Arrangement of ways
    • B23Q1/015Frames, beds, pillars
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q11/00Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
    • B23Q11/0032Arrangements for preventing or isolating vibrations in parts of the machine
    • B23Q11/0039Arrangements for preventing or isolating vibrations in parts of the machine by changing the natural frequency of the system or by continuously changing the frequency of the force which causes the vibration

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vibration Prevention Devices (AREA)

Abstract

The present invention discloses a kind of intelligent machine tool damping base, including pedestal, pedestal upper end is fixedly connected with fixed plate, and dead plate upper end quadrangle is fixedly connected to support tube, the first damping spring is fixedly connected to inside support tube, and first damping spring upper end and be located at support tube inside be fixedly connected to support rod, post upper is fixedly connected with bearing plate, and lower end two sides are fixedly connected to support shaft in bearing plate, support shaft interior lower end is connected with movable axis, and movable axis bottom end is fixedly connected with dead plate upper end, support shaft bottom end is fixedly connected with the second damping spring;Damping effect is improved by the first damping spring, the second damping spring, further the first compressed spring and the second compressed spring is combined to make damping effect more preferably, the structures such as support shaft, then play the role of Auxiliary support, to sum up make the damping performance of damping base more preferable and more preferably stable, indirectly improves service life.

Description

A kind of intelligent machine tool damping base
Technical field
The present invention relates to damping base technical field, specially a kind of intelligent machine tool damping base.
Background technique
Damping is that it is stagnant to generate friction, bending or elastoplasticity by the device in the certain position setting energy-consuming devices of works Deformation is returned to dissipate or absorb the energy of vibration input structure, to reduce the vibration reaction of main structure, so that structure be avoided to produce It is raw to destroy or collapse, achieve the purpose that shockproof control, some industrial equipments can often use damping device, general lathe and ground or Basic rigidity contact when machine tool running, because itself vibration is easy to produce vibration, while being also easy to generate lathe to be displaced, make Part must be processed and be easy to produce error, not only waste of resource, and working efficiency is low.
According to a kind of existing intelligent machine tool damping base, since most simple the passing through of existing damping base subtracts up and down The method of shake carries out the damping to lathe, when lathe generates double swerve, it is difficult to it realizes to lathe significantly more efficient damping, While damping effect difference, stability is not good enough, so that the vibration of lathe can be made larger, opposite will also be such that lathe makes With service life reduction, and since lathe is all biggish machine, when needing machine tool movement to other positions, because of lathe mistake Weight, cause it is mobile get up unusual inconvenience, if idler wheel is installed in the simple pedestal lower end in lathe, on pair of rollers pedestal Lathe support is not sufficiently stable again, therefore just will affect the normal use of lathe, so, it is proposed that a kind of intelligent machine tool damping base Seat, to solve the above problems.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of intelligent machine tool damping base, having not only can be convenient It adjusts using height, moreover it is possible to it adjusts and uses angle, reduce the smog of the scene of the accident, improve fire-fighting efficiency and rescue efficiency, and The advantages that also adding using functionality, reducing fire extinguishing difficulty, solves a kind of existing intelligent machine tool damping base, due to Extinguishing device is excessively heavy, causes to be difficult to adjust fire extinguishing height, and the angle put out a fire also is difficult to adjust, thus can be greatly The efficiency of fire extinguishing is influenced, is declined so as to cause rescue efficiency, or even not only will affect in fire extinguishing procedure since smog is excessive Fire fighter's normally sues and labours, and smog can also cause very big harm to accident personnel, and most of extinguishing devices can only spray Water, function is excessively single, when encountering chemical materials, if sprayed with water, really can combustion-supporting chemical materials, will increase The problem of difficulty of putting out a fire.
The present invention provides the following technical solutions:A kind of intelligent machine tool damping base:
Including pedestal, the pedestal upper end is fixedly connected with fixed plate, and the dead plate upper end quadrangle is fixedly connected to branch Cylinder is supportted, is fixedly connected to the first damping spring inside the support tube, and first damping spring upper end and is located at support Cylinder is internal to be fixedly connected to support rod, and the post upper is fixedly connected with bearing plate, and lower end two in the bearing plate Side is fixedly connected to support shaft, and the support shaft interior lower end is connected with movable axis, and the movable axis bottom end and solid Fixed board upper end is fixedly connected with, and the support shaft bottom end is fixedly connected with the second damping spring, and the second damping spring set It is connected to outside movable axis;
Pedestal lower end quadrangle is rotatably connected to movable pulley, and if the fixed plate lower end be uniformly distributed and be fixedly connected with A dry telescopic shaft, the telescopic shaft lower end and is located at pedestal inside lower end and is fixedly connected with support plate, and the support plate bottom end Several Rubber shock-absorbing pads are uniformly distributed and are fixedly connected with, the support plate upper center is fixedly connected with jack, and institute It states dead plate upper end and is located at jack top and be fixedly connected with motor.
Further, horizontal axis is fixedly connected between the support tube and support shaft, and activity outside the horizontal axis Be connected with pushing block, outside the horizontal axis and be located at pushing block one end and be socketed with the first compressed spring, and outside the horizontal axis and The second compressed spring is socketed with positioned at the pushing block other end.
Further, the support shaft outer upper ends are rotatably connected to rotating block one, and one outside of the rotating block is Two motion bars in left and right distribution are rotatably connected to, are rotatably connected to rotating block two, and described turn outside the pushing block Motion block two is flexibly connected with motion bar lower end.
Further, the support rod can be up and down inside support tube, and extrudable the when support rod is up and down One damping spring.
Further, the support shaft can extrude the second damping spring and make movable axis toward support shaft internal contraction, and prop up Support axis can drive motion bar to push pushing block activity and the first compressed spring of extruding or the second compression on transverse axis when up and down Spring.
Further, described motor one end is connected to cable, and motor is electrically connected by cable and jack.
Further, the motor can drive jack to stretch out support plate in pedestal and movable pulley is made to be detached from ground Face, and the telescopic shaft is with the up and down and movable of jack.
Compared with prior art, the present invention provides a kind of intelligent machine tool damping base, has following beneficial effect:
1, intelligent machine tool damping base, due to being assembled in the fixed fixed plate of submounts, and in the quadrangle of fixed plate Support tube, after Installing machine tool is on bearing plate, due to the gravity of lathe itself, so that bearing plate can be made to push support rod, branch Strut squeezes the first damping spring and reduces the vibration of lathe to reach the damping effect of the first step, meanwhile, support shaft meeting The second damping spring is compressed, while reaching further raising damping effect, and support shaft is due in bearing plate lower two End, therefore support shaft can play the booster action supported to lathe on bearing plate, improve stabilization of the lathe on bearing plate Property, and support shaft is when being pressed down, motion bar will push that pushing block is movable on transverse axis, and pushing block squeezes the of one end Due to that can generate screen resilience after one compressed spring, and the screen resilience generated can be slow by the second damping spring of the pushing block other end It is slow to offset, so that the damping base be made to reach better damping effect, indirectly improve the service life of lathe.
2, intelligent machine tool damping base, because being mounted with movable pulley in the quadrangle of pedestal lower end, when needing mobile damping When pedestal, motor is opened, jack is started to work at this time, and jack then will drive support plate and rubber bearing is made to be detached from ground Face, and movable pulley and ground face contact is made to avoid being difficult to mobile situation to reach the purpose for being moved easily damping base, After being moved to corresponding position, it is again turned on motor, and ejects jack support plate on the inside of pedestal, simultaneous retractable Axis can also follow telescopic movable together, and since telescopic shaft is provided with several, telescopic shaft plays the role of Auxiliary support, therefore Telescopic shaft can then make pedestal more stable when in use, and then the rubber bearing of support plate bottom end will contact ground, Rubber bearing can directly be worn with brought by ground face contact when being contacted with ground to avoid pedestal, moreover it is possible to play damping effect Fruit stops the activity of jack after movable pulley completely disengages ground, so that several rubber bearings be made to play branch to pedestal Support effect, keeps the design more humanized.
Detailed description of the invention
Fig. 1 is that the present invention ties whole front schematic view;
Fig. 2 is structure of the invention side schematic view.
In figure:1 pedestal, 2 support tubes, 3 first damping springs, 4 support rods, 5 bearing plates, 6 support shafts, 7 rotating blocks one, 8 Motion bar, 9 pushing blocks, 10 rotating blocks two, 11 horizontal axis, 12 first compressed springs, 13 rubber bearings, 14 movable axis, 15 second Damping spring, 16 second compressed springs, 17 support plates, 18 telescopic shafts, 19 jack, 20 motor, 21 movable pulleys, 22 are fixed Plate.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and described embodiment is only that present invention a part is implemented Example, instead of all the embodiments.
A kind of intelligent machine tool damping base referring to FIG. 1-2,:
Including pedestal 1,1 upper end of pedestal is fixedly connected with fixed plate 22, and 22 upper end quadrangle of fixed plate is fixedly connected to support Cylinder 2, is fixedly connected to the first damping spring 3 inside support tube 2, and 3 upper end of the first damping spring and is located inside support tube 2 It is fixedly connected to support rod 4,4 upper end of support rod is fixedly connected with bearing plate 5, and the fixed company in lower end two sides in bearing plate 5 It is connected to support shaft 6,6 interior lower end of support shaft is connected with movable axis 14, and 14 bottom end of movable axis and 22 upper end of fixed plate are equal It is fixedly connected, 6 bottom end of support shaft is fixedly connected with the second damping spring 15, and the second damping spring 15 is socketed on outside movable axis 14 Portion is fixedly connected to horizontal axis 11, and is connected with pushing block 9 outside horizontal axis 11 between support tube 2 and support shaft 6, horizontal It is socketed with the first compressed spring 12 outside axis 11 and positioned at 9 one end of pushing block, and outside horizontal axis 11 and is located at 9 other end of pushing block It is socketed with the second compressed spring 16,6 outer upper ends of support shaft are rotatably connected to rotating block 1, and turn outside rotating block 1 It is dynamic to be connected with two motion bars 8 in left and right distribution, rotating block 2 10, and rotating block two are rotatably connected to outside pushing block 9 10 are flexibly connected with 8 lower end of motion bar, and support rod 5 can be up and down in the inside of support tube 2, and when support rod 5 is up and down Extrudable first damping spring 3, support shaft 6 can extrude the second damping spring 15 and make movable axis 14 toward 6 internal contraction of support shaft, And support shaft 6 it is up and down when can drive motion bar 8 push pushing block 9 on horizontal axis 11 activity and squeeze the first compressed spring 12 Or second compressed spring 16, it is assembled with due to fixed plate 22 fixed on pedestal 1, and in the upper end quadrangle of fixed plate 22 Support tube 2, because being installed with support rod 4 in support tube 2, the fixed bearing plate 5 in 4 upper end of support rod, when Installing machine tool is accepting 5 After upper, support rod 4 can play a supporting role to the lathe on bearing plate 5, due to the gravity of lathe itself, to can make bearing plate 5 push support rod 4, and support rod 4 can then squeeze the first damping spring 3 inside support tube 2, to reach the damping effect of the first step Fruit reduces the vibration of lathe, meanwhile, support shaft 6 can also compress the second damping spring 15, reach further and improve damping effect While fruit, and support shaft 6, due to both ends lower in bearing plate 5, support shaft 6 can be played to lathe on bearing plate 5 The booster action of support reduces the support force of support rod 4, improves stability of the lathe on bearing plate 5, and support shaft 6 When being pressed down, motion bar 8 will push pushing block 9 on horizontal axis 11 by the rotation of rotating block 1 and rotating block 2 10 Activity, pushing block 9 squeeze first compressed spring 12 of one end later due to that can generate screen resilience, because 9 other end of pushing block The second compressed spring 16 is also mounted on horizontal axis 11, the effect according to power is mutual principle, and the screen resilience generated can be pushed away 16 spring of the second damping bullet of 9 other end of motion block is slowly offset, to make the damping base reach better damping effect, indirectly Improve the service life of lathe;
1 lower end quadrangle of pedestal is rotatably connected to movable pulley 21 in the present embodiment, and 22 lower end of fixed plate is uniformly distributed and fixes It is connected with several telescopic shafts 18,18 lower end of telescopic shaft and is located at 1 inside lower end of pedestal and is fixedly connected with support plate 17, and support 17 bottom end of plate is uniformly distributed and is fixedly connected with several Rubber shock-absorbing pads 13, and 17 upper center of support plate is fixedly connected with very heavy Top 19, and 22 upper end of fixed plate and be located at 19 top of jack be fixedly connected with motor 20,20 one end of motor connects wired Cable, and motor 20 is electrically connected by cable and jack 19, motor 20 can drive jack 19 to make support plate 17 bottom of at Stretching out in seat 1 simultaneously makes movable pulley 21 be detached from ground, and telescopic shaft 18 is with the up and down and movable of jack 19, because in pedestal The quadrangle of 1 lower end is mounted with movable pulley 21, when needing mobile damping base, opens motor 20, motor 20 can band at this time Dynamic jack 19 is started to work, and jack 19 then will drive support plate 17 and rubber bearing 13 is made to be detached from ground, and make to move Driving wheel 21 and ground face contact, are moved easily the purpose of damping base to reach, avoid being difficult to mobile situation, when being moved to phase After answering position, it is again turned on motor 20, and ejects jack 19 support plate 17 on the inside of pedestal 1, simultaneous retractable axis 18 can also follow telescopic movable together, and since telescopic shaft 18 is provided with several, telescopic shaft 18 plays the role of Auxiliary support, Reduce the support degree of jack 19, therefore telescopic shaft 18 can then make pedestal more stable when in use, increase balance Property, then the rubber bearing 13 of 17 bottom end of support plate will contact ground, and rubber bearing 13 can be kept away when being contacted with ground Exempt from pedestal 1 directly with abrasion brought by ground face contact, moreover it is possible to play damping effect, after movable pulley 21 completely disengages ground, The activity for stopping jack 19 makes the design more so that several rubber bearings 13 be made to play a supporting role pedestal Hommization.
To sum up, the intelligent machine tool damping base passes through the first damping spring 3 of setting, the second damping spring 16 and support shaft 6 Etc. structures, while improving damping performance, also make the lathe on damping base more stable, indirectly improve lathe Service life.
By structures such as setting jack 19, movable pulley 21 and rubber bearings 13, move the damping base and lathe Enhanced convenience is moved up, and avoids the simple situation with roller supporting, supporting & stablizing performance is improved, makes the design It is more humanized.
1 pedestal, 2 support tubes, 3 first damping springs, 4 support rods, 5 bearing plates, 6 supports used in above-described embodiment Axis, 7 rotating blocks one, 8 motion bars, 9 pushing blocks, 10 rotating blocks two, 11 horizontal axis, 12 first compressed springs, 13 rubber bearings, 14 Movable axis, 15 second damping springs, 16 second compressed springs, 17 support plates, 18 telescopic shafts, 19 jack, 20 motor, 21 are moved Driving wheel, 22 fixed plates can be bought by market or private customization obtains.
Above-described embodiment is served only for that invention is further explained to specific descriptions of the invention, should not be understood as Limiting the scope of the present invention, the technician of this field make the present invention according to the content of foregoing invention some non- The modifications and adaptations of essence are fallen within the scope of protection of the present invention.

Claims (7)

1. a kind of intelligent machine tool damping base, it is characterised in that:
Including pedestal(1), the pedestal(1)Upper end is fixedly connected with fixed plate(22), and the fixed plate(22)Upper end quadrangle It is fixedly connected to support tube(2), the support tube(2)Inside is fixedly connected to the first damping spring(3), and described first Damping spring(3)Upper end is simultaneously located at support tube(2)Inside is fixedly connected to support rod(4), the support rod(4)Upper end is fixed It is connected with bearing plate(5), and the bearing plate(5)Middle lower end two sides are fixedly connected to support shaft(6), the support shaft(6) Interior lower end is connected with movable axis(14), and the movable axis(14)Bottom end and fixed plate(22)Upper end is fixedly connected with, The support shaft(6)Bottom end is fixedly connected with the second damping spring(15), and second damping spring(15)It is socketed on activity Axis(14)It is external;
The pedestal(1)Lower end quadrangle is rotatably connected to movable pulley(21), and the fixed plate(22)Lower end is uniformly distributed simultaneously It is fixedly connected with several telescopic shafts(18), the telescopic shaft(18)Lower end and be located at pedestal(1)Inside lower end is fixedly connected with Support plate(17), and the support plate(17)Bottom end is uniformly distributed and is fixedly connected with several Rubber shock-absorbing pads(13), described Support plate(17)Upper center is fixedly connected with jack(19), and the fixed plate(22)Upper end is simultaneously located at jack(19)On Portion is fixedly connected with motor(20).
2. a kind of intelligent machine tool damping base according to claim 1, it is characterised in that:The support tube(2)With support Axis(6)Between be fixedly connected to horizontal axis(11), and the horizontal axis(11)Outside is connected with pushing block(9), the cross Axis(11)It is external and be located at pushing block(9)One end is socketed with the first compressed spring(12), and the horizontal axis(11)It is external and be located at Pushing block(9)The other end is socketed with the second compressed spring(16).
3. a kind of intelligent machine tool damping base according to claim 2, it is characterised in that:The support shaft(6)On outside End is rotatably connected to rotating block one(7), and the rotating block one(7)Outside is rotatably connected to two work in left and right distribution Lever(8), the pushing block(9)Outside is rotatably connected to rotating block two(10), and the rotating block two(10)With activity Bar(8)Lower end is flexibly connected.
4. a kind of intelligent machine tool damping base according to claim 3, it is characterised in that:The support rod(5)It can prop up Support cylinder(2)It is internal up and down, and support rod(5)It can extrude the first damping spring when up and down(3).
5. a kind of intelligent machine tool damping base according to claim 4, it is characterised in that:The support shaft(6)It is extrudable Second damping spring(15)And make movable axis(14)Toward support shaft(6)Internal contraction, and support shaft(6)It can be driven when up and down Motion bar(8)Push pushing block(9)In horizontal axis(11)Upper activity simultaneously squeezes the first compressed spring(12)Or second compressed spring (16).
6. a kind of intelligent machine tool damping base according to claim 1, it is characterised in that:The motor(20)One end phase It is connected to cable, and motor(20)Pass through cable and jack(19)It is electrically connected.
7. a kind of intelligent machine tool damping base according to claim 6, it is characterised in that:The motor(20)It can drive Jack(19)Make support plate(17)In pedestal(1)Interior stretching simultaneously makes movable pulley(21)It is detached from ground, and the telescopic shaft(18) With jack(19)It is up and down and movable.
CN201811205822.8A 2018-10-17 2018-10-17 A kind of intelligent machine tool damping base Withdrawn CN108857459A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811205822.8A CN108857459A (en) 2018-10-17 2018-10-17 A kind of intelligent machine tool damping base

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811205822.8A CN108857459A (en) 2018-10-17 2018-10-17 A kind of intelligent machine tool damping base

Publications (1)

Publication Number Publication Date
CN108857459A true CN108857459A (en) 2018-11-23

Family

ID=64325091

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811205822.8A Withdrawn CN108857459A (en) 2018-10-17 2018-10-17 A kind of intelligent machine tool damping base

Country Status (1)

Country Link
CN (1) CN108857459A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109530724A (en) * 2018-12-06 2019-03-29 张海明 A kind of high-precision horizontal lathe
CN110827607A (en) * 2019-11-27 2020-02-21 徐州翰林科技有限公司 Comprehensive practical training device for bulldozer
CN112247652A (en) * 2020-10-12 2021-01-22 吉林大学 Numerical control tool rest buffer gear based on reliability consideration

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109530724A (en) * 2018-12-06 2019-03-29 张海明 A kind of high-precision horizontal lathe
CN110827607A (en) * 2019-11-27 2020-02-21 徐州翰林科技有限公司 Comprehensive practical training device for bulldozer
CN112247652A (en) * 2020-10-12 2021-01-22 吉林大学 Numerical control tool rest buffer gear based on reliability consideration

Similar Documents

Publication Publication Date Title
CN108857459A (en) A kind of intelligent machine tool damping base
CN208543447U (en) Device is stretched in a kind of production lift of front frame
CN110439294B (en) Quick mounting structure of integral shear force wall support frame of assembly
CN112026626A (en) Multifunctional emergency water pump truck
CN207063472U (en) It is a kind of it is for building can automatic controlled height roll-over protective structure
CN212582236U (en) Noise reduction device for household washing machine
CN107460918A (en) A kind of energy control cabinet of service life length
CN107270669A (en) A kind of agricultural drying frame
CN208815878U (en) A kind of noise-reduction type construction platform
CN208471323U (en) A kind of architectural engineering material conveying device
KR101222272B1 (en) A laver dehydrating device
CN214272862U (en) Movable climbing frame
CN210751005U (en) Portable fire extinguisher
CN212013240U (en) Engineering is with portable regulator cubicle
CN210206274U (en) Dust fall fog gun for building site
CN112125135A (en) Self-lifting system for climbing of large tower crane and use method
CN207123139U (en) A kind of agricultural drying frame
CN208355953U (en) A kind of skyscraper aerial device
CN207030714U (en) A kind of public elevator handrail chlorination equipment
CN220276199U (en) Stair machine
CN214345236U (en) Intelligent building site dust device
CN215626320U (en) Toughened glass hoisting accessory
CN220080740U (en) Eccentric anti-falling device
CN215969253U (en) Floor production is with fluting device with function of making an uproar is fallen
CN214739676U (en) Prefabricated plate combines assembled support frame for interior decoration

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
WW01 Invention patent application withdrawn after publication

Application publication date: 20181123

WW01 Invention patent application withdrawn after publication