CN107310604A - Novel computer mainframe box stroller - Google Patents
Novel computer mainframe box stroller Download PDFInfo
- Publication number
- CN107310604A CN107310604A CN201710522066.0A CN201710522066A CN107310604A CN 107310604 A CN107310604 A CN 107310604A CN 201710522066 A CN201710522066 A CN 201710522066A CN 107310604 A CN107310604 A CN 107310604A
- Authority
- CN
- China
- Prior art keywords
- upper plate
- lower shoe
- rack
- fixed
- column
- 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.)
- Granted
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B3/00—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor
- B62B3/02—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor involving parts being adjustable, collapsible, attachable, detachable or convertible
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B5/00—Accessories or details specially adapted for hand carts
- B62B5/04—Braking mechanisms; Locking devices against movement
- B62B5/049—Braking mechanisms; Locking devices against movement locking against movement by contacting the floor or a wall
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B2202/00—Indexing codes relating to type or characteristics of transported articles
- B62B2202/56—Computers; Screens
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Carriages For Children, Sleds, And Other Hand-Operated Vehicles (AREA)
- Handcart (AREA)
Abstract
Novel computer mainframe box stroller, solves existing computer host box stroller using unstable, it is impossible to the problem of locked or locked troublesome.It includes lower shoe, the first upper plate is provided with above lower shoe, first upper plate front and rear sides are arranged with the second upper plate, first upper plate lower end is fixedly connected with the first column, first column runs through lower shoe, riser is fixed with lower shoe, cam is fixed with riser, cam is " eight " shape, cam one end is contacted with the first upper plate, the cam other end is contacted with the second upper plate, sector gear is connected with cam, sector gear is slidably inserted into slideway, sector gear is engaged with the first rack, first rack lower end is connected with supporting plate, multigroup second spring is provided between lower shoe and the second upper plate, second spring two ends are separately fixed on lower shoe and the second upper plate.
Description
Technical field
The present invention relates to technical field of office furniture, more particularly, to a kind of novel computer mainframe box stroller.
Background technology
The problem of in order to overcome computer host box movement inconvenience, occur in that many computer host box strollers on the market now,
Stroller is due to being mounted with universal wheel in bottom, therefore, and mobile host case is very convenient, but general stroller do not brake it is locked
Device, causes host computer when in use, it is impossible to good positioning, when people is when using computer, is accidentally kicked with pin
Mainframe box or stroller, can cause computer to move, and cause collision, and can pull circuit, cause unnecessary harm, simultaneously
In the market computer host box stroller only has floorboard, causes using unstable, it has not been convenient to the problem of；Though and there are some universal wheels
So have the structure of positioning, but need four wheels are locked in turn, very bother.
The content of the invention
For above-mentioned situation, to overcome the defect of prior art, the present invention provides a kind of novel computer mainframe box stroller, had
Effect solves existing computer host box stroller using unstable, it is impossible to the problem of locked or locked troublesome.
Its solve technical scheme be：Novel computer mainframe box stroller, including lower shoe, the bottom of lower shoe is provided with universal
Wheel, it is characterised in that the first upper plate is provided with above lower shoe, lower shoe is parallel with the first upper plate, before and after the first upper plate
Both sides are arranged with the second upper plate, and the first upper plate lower end is fixedly connected with the first column, and the first column runs through lower shoe, structure
Into the first upper plate can vertical lifting structure, be fixed with riser, riser on lower shoe and be fixed with cam, cam is falls " eight "
Shape, cam one end is contacted with the first upper plate, and the cam other end is contacted with the second upper plate, constitutes the first upper plate descent tape
Sector gear is connected with through bearing pin on the structure that dynamic second upper plate rises, cam, sector gear is placed under the first upper plate
Side, is fixed with two groups of arc convex on riser, convexes to form the slideway of arc, sector gear is slidably inserted into slideway, constitutes the
One upper plate declines is engaged with the first rack on the outside of the structure for driving sector gear to rotate, sector gear, and the first rack lower end is passed through
Wear bottom plate and be connected with supporting plate, multigroup second spring, second spring two ends difference are provided between lower shoe and the second upper plate
It is fixed on lower shoe and the second upper plate, constitutes the decline of the first upper plate and drive supporting plate to drop to the structure contacted with ground；
Lower shoe front and rear sides, which are fixed with backplate, lower shoe, is fixed with riser, and riser is placed on the outside of riser, riser through gear shaft
It is fixed with above gear, gear and is engaged with the second rack, the second rack is through backplate and end is placed in backplate outside, constitutes second
Rack, which slides to be engaged with front of the structure of control pinion rotation, gear in front of the 3rd rack, the 3rd rack, is fixedly connected with tray,
3rd rack is connected and composed with tray is provided with the 3rd column, the 3rd below the structure of the 3rd rack and the lifting of tray one, tray
Column one end is fixed on lower shoe, and what the 3rd column other end was slided is inserted into tray, is constituted the second rack and is slided control
The structure of tray oscilaltion.
It is preferred that, the first spring is set with the first column, the first spring one end is contacted with lower shoe, the other end and first
Upper plate is contacted.
It is preferred that, the second column is cased with second spring, the second column upper end is fixed on the second upper plate, the second column
Lower shoe is run through in lower end.
It is preferred that, the 3rd spring is set with the 3rd column, the 3rd spring one end is contacted with lower shoe, the other end and tray
Lower end in contact.
It is preferred that, hemispherical-shaped aperture is opened up at the second rack lower end two, backplate is provided with circular hole, circular hole and is fixed with the 4th bullet
Spring, the other end of the 4th spring is fixed with card ball, card ball and hemispherical-shaped aperture clamping connection.
Clever structure of the present invention is novel, practicality simple to operate, promotes the second rack using manual, conducts oneself with dignity in host computer
Under effect, the decline of the first upper plate drives the second upper plate to rise and the decline of the first rack, in the first upper plate decline and second
Bottom plate, which rises, fixes computer host box, and general who has surrendered's supporting plate is locked on the ground under the first rack, completes the locked fixation of stroller.
Brief description of the drawings
Fig. 1 is main sectional view of the present invention.
Fig. 2 is A-A sectional views in Fig. 1.
Fig. 3 is B-B sectional views in Fig. 1.
Fig. 4 is C portions partial enlarged drawing in Fig. 3.
Fig. 5 removes fixed and locking structure simplified schematic diagram for the present invention.
Fig. 6 is to discharge locked fixed structure schematic diagram after computer host box of the present invention is placed.
Fig. 7 is locked fixed schematic diagram after computer host box of the present invention is placed.
Fig. 8 is cam structure schematic diagram of the present invention.
Fig. 9 is sector gear structural representation of the present invention.
Embodiment
The embodiment of the present invention is described in further details below in conjunction with accompanying drawing 1-9.
Provided by Fig. 1-9, the present invention includes lower shoe 1, the bottom of lower shoe 1 is provided with universal wheel 2, it is characterised in that under
The top of bottom plate 1 is provided with the first upper plate 3, and lower shoe 1 is parallel with the first upper plate 3, and the front and rear sides of the first upper plate 3 are arranged with
Second upper plate 4, the first upper plate lower end is fixedly connected with the first column 20, and the first column 20 runs through lower shoe, constitutes first
Upper plate 3 can vertical lifting structure, be fixed with riser 5, riser 5 on lower shoe 1 and be fixed with cam 6, cam 6 is falls " eight "
Shape, one end of cam 6 is contacted with the first upper plate 3, and the other end of cam 6 is contacted with the second upper plate 4, constitutes the first upper plate 3
Decline and be connected with sector gear 7 through bearing pin on the structure for driving the second upper plate 4 to rise, cam 6, sector gear 7 is placed in first
Two groups of arc convex 8 are fixed with the lower section of upper plate 3, riser 5, projection 8 forms the slideway of arc, and sector gear 7, which is slided, to be inserted
Enter in slideway, constitute the first upper plate 3 and decline the structure for driving sector gear 7 to rotate, the outside of sector gear 7 is engaged with the first tooth
Bar 9, the lower end of the first rack 9 is through lower shoe 1 and is connected between supporting plate 10, the upper plate 4 of lower shoe 1 and second provided with multigroup the
Two springs 12, the two ends of second spring 12 are separately fixed on the upper plate 4 of lower shoe 1 and second, constitute the descent tape of the first upper plate 3
Dynamic supporting plate 10 drops to the structure contacted with ground；Universal wheel 2 is provided with the downside of cart for host computer, it is ensured that need computer master
Machine is convenient and strength-saving when moving, and the second upper plate 4 is located at the front and rear sides of the first upper plate 3, the second upper plate 4 and the first upper plate
3 contact but are not connected to, and second God's plate and the first upper plate 3 can slide up and down dislocation, and cam 6 is fixed on riser 5, electricity
Brain server case is placed on the first upper plate 3, in the presence of computer host box gravity and the first column 20, the first upper plate 3
Move down, the first upper plate 3 extruding cam 6 rotated clockwise around the axle of cam 6, cam 6 contacted with the second upper plate 4 one
End promotes the second motion upwards of upper plate 4, the first upper plate 3 and the second upper plate 4 formation move toward one another, and host computer is locked
On the first upper plate 3, prevent host computer from occurring rocking for left and right directions, cam 6 is rotated clockwise around the axle of cam 6, it is fan-shaped
Gear 7 is slided along fixed slideway, and sector gear 7 drives the first rack 9 to move downward, and supporting plate 10 is downward with the first rack 9
Move to and contacted with ground, stroller is locked on the ground.
Lower shoe front and rear sides, which are fixed with backplate 19, lower shoe 1, is fixed with riser 13, and riser 13 is placed in the outer of riser 5
Gear 14 is fixed with through gear shaft on side, riser 13, the top of gear 14 is engaged with the second rack 15, and the second rack 15 passes through backplate
19 and end is placed in the outside of backplate 19, constitute the second rack 15 and slide the structure that control gear 14 is rotated, the front of gear 14 is engaged
There is the 3rd rack 16, the front of the 3rd rack 16 is fixedly connected with tray 17, and the 3rd rack 16 connects and composes the 3rd tooth with tray 17
Bar 16 and the structure of the lifting of tray 17 1, the lower section of tray 17 are provided with the 3rd column 22, and the one end of the 3rd column 22 is fixed on bottom
On plate 1, what the other end of the 3rd column 22 was slided is inserted into tray 17, constitutes the second rack 15 slip control tray and is risen about 17
The structure of drop；Gear 14 is fixed on the riser 13 of lower shoe 1, shifts the second lateral movement forward of rack 15, the band of the second rack 15 onto
Moving gear 14 is around gear shaft rotate counterclockwise, and gear 14, which is rotated, drives the 3rd rack 16 to move downward, and the 3rd rack 16, which is fixed, to be connected
It is connected on tray 17, tray 17 is moved downwardly to be separated with the first upper plate 3, when needing to move stroller, by the second rack
15 backward layback go out, the second rack 15 turns clockwise with moving gear 14 around gear shaft, and tray 17 rises to and the first upper plate 3
Contact, and ensure that the first upper plate 3 and the upper surface of the second upper plate 4 are same level.
The first spring 11, the first bullet are set with stationarity during in order to ensure that the first upper plate 3 declines, the first column 20
The one end of spring 11 is contacted with lower shoe 1, and the other end is contacted with the first upper plate 3；Computer host box is placed on after the first upper plate 3,
First upper plate 3 declines, and the first spring 11 is constantly compressed, it is ensured that the first upper plate smoothly declines.
Along vertical direction during in order to ensure that the second upper plate 4 is lifted, the second column 21 is cased with second spring 12, the
The upper end of two column 21 is fixed on the second upper plate 4, and lower shoe 1 is run through in the lower end of the second column 21；On second column 21 and second
Bottom plate 4 is fixed together, and the second column 21 is through lower shoe 1 and end is placed in the outside of lower shoe 1, the oscilaltion to upper plate
Wherein spacing effect.
The 3rd spring 18, the 3rd spring 18 are set with stationarity during in order to ensure that tray 17 is lifted, the 3rd column 22
One end is contacted with lower shoe 1, the other end and 17 times end in contact of tray；The 3rd spring is constantly compressed when tray 17 declines, it is ensured that
Tray smoothly declines.
Fixation and positioning of second rack 15 on backplate 19 for convenience, the second rack 15 opens up hemispherical at lower end two
Hole, backplate 19 is provided with circular hole, circular hole and is fixed with the 4th spring 23, and the other end of the 4th spring 23 is fixed with card ball 24, card
Ball 24 and hemispherical-shaped aperture clamping connection；4th spring 23 is housed in the circular hole of backplate 19, the upper end of the 4th spring 23 is fixed with
Card ball 24, card ball 24 is stuck in the hemispherical-shaped aperture of the second rack 15, it is necessary to when stroller is moved, pull the second rack 15 to rear side
Mobile, the second hemispherical-shaped aperture of the rack 15 through left side is stuck on backplate 19, and whole stroller is in the presence of universal wheel 2, you can moved
Dynamic, when needing that host computer is locked and when stroller is fixed, promoting the second rack 15, side is moved forward, and the second rack 15 is through the right side
The hemispherical-shaped aperture of side is stuck on backplate 19, and tray 17 is kept completely separate with the first upper plate 3, that is, complete host computer fixation and
Stroller it is locked.
The present invention in use, promoting the second rack 15, moved forward by side, and the second hemispherical-shaped aperture of the rack 15 through right side is stuck in
On backplate 19, the second rack 15 is with moving gear 14 around gear shaft rotate counterclockwise, and gear 14, which is rotated, drives the 3rd rack 16 downward
Motion, the 3rd rack 16 is fixedly connected on tray 17, and tray 17 is moved downwardly to be separated with the first upper plate 3, by computer master
Machine is placed on the first upper plate 3, and host computer is placed on the first upper plate 3, in the presence of host computer gravity, and first
Upper plate 3 is moved down, and in the presence of the first spring 11 and the first column 20, the first bottom plate can only be downward along vertical direction
Motion, the first upper plate 3 extruding cam 6 is rotated clockwise around the axle of cam 6, and one end that cam 6 is contacted with the second upper plate 4 is pushed away
The motion upwards of dynamic second upper plate 4, in the presence of the column 21 of second spring 12 and second, the second upper plate 4 can only be along perpendicular
Nogata is to upward motion, the first upper plate 3 and the second upper plate 4 formation move toward one another, shape between the first bottom plate and the second bottom plate
It is into a difference in height, host computer is locked on the first upper plate 3, prevent host computer from occurring right and left because of accident collision stroller
To rock, cam 6 is rotated clockwise around the axle of cam 6, and cam 6 is fixed with sector gear 7 through bearing pin, and sector gear 7 is along solid
Fixed slideway is slided, and sector gear 7 drives the first rack 9 to move downward, and the first rack 9 runs through lower shoe 1, the edge of the first rack 9
Vertical direction to move downward, supporting plate 10 moved downwardly to the first rack 9 contacted with ground and the first upper plate 3 not with tray
17 contacts, stroller is locked on the ground.
When needing to move host computer with stroller, pulling the second rack 15, side is moved backward, the second rack 15
Hemispherical-shaped aperture through left side is stuck on backplate 19, and the second rack 15 turns clockwise with moving gear 14 around gear shaft, on tray 17
Rise to initial position, tray 17 promotes the first motion upwards of upper plate 3, in second spring 12 under effect, the second upper plate 4 to
Lower motion, the second upper plate 4 extruding cam 6 is rotated counterclockwise around the axle of cam 6, cam 6 is fixed with sector gear 7 through bearing pin and fanned
Shape gear 7 is slided counterclockwise along fixed slip, and sector gear 7 drives the first motion upwards of rack 9, and the first rack 9 runs through
Lower shoe 1, the first rack 9 is moved upwards along vertical direction, and supporting plate 10 is not being contacted with ground, and supporting plate 10 is repositioned to initial shape
State, the first upper plate 3 and the upper surface of the second upper plate 4 are concordant.
Clever structure of the present invention is novel, practicality simple to operate, promotes the second rack using manual, conducts oneself with dignity in host computer
Under effect, the decline of the first upper plate drives the second upper plate to rise and the decline of the first rack, in the first upper plate decline and second
Bottom plate, which rises, fixes computer host box, and general who has surrendered's supporting plate is locked on the ground under the first rack, completes the locked fixation of stroller.
Claims (5)
1. novel computer mainframe box stroller, including lower shoe（1）, lower shoe（1）Bottom be provided with universal wheel（2）, its feature exists
In described lower shoe（1）Top is provided with the first upper plate（3）, lower shoe（1）With the first upper plate（3）It is parallel, bottom on first
Plate（3）Front and rear sides are arranged with the second upper plate（4）, the first upper plate lower end is fixedly connected with the first column（20）, first
Column（20）Through lower shoe, the first upper plate is constituted（3）Can vertical lifting structure, lower shoe（1）On be fixed with riser
（5）, riser（5）On be fixed with cam（6）, cam（6）For " eight " shape, cam（6）One end and the first upper plate（3）Connect
Touch, cam（6）The other end and the second upper plate（4）Contact, constitutes the first upper plate（3）Decline and drive the second upper plate（4）On
The structure risen, cam（6）On be connected with sector gear through bearing pin（7）, sector gear（7）It is placed in the first upper plate（3）Lower section,
Riser（5）On be fixed with two groups of arc convex（8）, it is raised（8）Form the slideway of arc, sector gear（7）It is slidably inserted into slideway
In, constitute the first upper plate（3）Decline and drive sector gear（7）The structure of rotation, sector gear（7）Outside is engaged with the first tooth
Bar（9）, the first rack（9）Lower shoe is run through in lower end（1）And it is connected with supporting plate（10）, lower shoe（1）With the second upper plate（4）It
Between be provided with multigroup second spring（12）, second spring（12）Two ends are separately fixed at lower shoe（1）With the second upper plate（4）On,
Constitute the first upper plate（3）Decline and drive supporting plate（10）Drop to the structure contacted with ground；Lower shoe front and rear sides are fixed with
Backplate（19）, lower shoe（1）On be fixed with riser（13）, riser（13）It is placed in riser（5）Outside, riser（13）On through gear
Axle is fixed with gear（14）, gear（14）Top is engaged with the second rack（15）, the second rack（15）Through backplate（19）And end
Portion is placed in backplate（19）Outside, constitutes the second rack（15）Slide control gear（14）The structure of rotation, gear（14）Nibble in front
Conjunction has the 3rd rack（16）, the 3rd rack（16）Front is fixedly connected with tray（17）, the 3rd rack（16）With tray（17）Even
Connect the 3rd rack of composition（16）And tray（17）The structure of one lifting, tray（17）Lower section is provided with the 3rd column（22）, the 3rd
Column（22）One end is fixed on lower shoe（1）On, the 3rd column（22）What the other end was slided is inserted into tray（17）In, constitute the
Two racks（15）Slide control tray（17）The structure of oscilaltion.
2. novel computer mainframe box stroller according to claim 3, it is characterised in that the first described column（20）Upper set
Equipped with the first spring（11）, the first spring（11）One end and lower shoe（1）Contact, the other end and the first upper plate（3）Contact.
3. novel computer mainframe box stroller according to claim 3, it is characterised in that second spring（12）Inside it is cased with second
Column（21）, the second column（21）Upper end is fixed on the second upper plate（4）On, the second column（21）Lower shoe is run through in lower end（1）.
4. novel computer mainframe box stroller according to claim 3, it is characterised in that the 3rd column（22）On be set with
Three springs（18）, the 3rd spring（18）One end and lower shoe（1）Contact, the other end and tray（17）Lower end in contact.
5. novel computer mainframe box stroller according to claim 3, it is characterised in that the second rack（15）Opened at lower end two
If hemispherical-shaped aperture, backplate（19）It is provided with circular hole, circular hole and is fixed with the 4th spring（23）, the 4th spring（23）The other end consolidate
Surely there is card ball（24）, card ball（24）With hemispherical-shaped aperture clamping connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710522066.0A CN107310604B (en) | 2017-06-30 | 2017-06-30 | Novel computer mainframe box cart |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710522066.0A CN107310604B (en) | 2017-06-30 | 2017-06-30 | Novel computer mainframe box cart |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107310604A true CN107310604A (en) | 2017-11-03 |
| CN107310604B CN107310604B (en) | 2018-06-26 |
Family
ID=60179861
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710522066.0A Expired - Fee Related CN107310604B (en) | 2017-06-30 | 2017-06-30 | Novel computer mainframe box cart |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107310604B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107631136A (en) * | 2017-11-19 | 2018-01-26 | 济源维恩科技开发有限公司 | Computer pallet |
| CN108001503A (en) * | 2017-12-14 | 2018-05-08 | 广州九六计算机有限公司 | A kind of Computer aided building transporting equipment |
| CN110386175A (en) * | 2019-06-17 | 2019-10-29 | 重庆电子工程职业学院 | A kind of computer transportation safety isolating device convenient for pick-and-place |
| CN113442983A (en) * | 2020-03-25 | 2021-09-28 | 江苏南源消防工程有限公司 | Pulling device of foam fire extinguishing device |
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| DE29808902U1 (en) * | 1998-05-08 | 1998-07-23 | Hinz Fabrik GmbH, 12107 Berlin | dare |
| US6371497B1 (en) * | 2000-11-14 | 2002-04-16 | Paulette A. Scire | Personal computer dolly |
| CN204044698U (en) * | 2014-04-11 | 2014-12-24 | 甘肃民族师范学院 | A kind of computer host box |
| CN105329295A (en) * | 2015-11-29 | 2016-02-17 | 重庆渝青机械配件制造有限公司 | Trolley for transferring gears |
| CN106494473A (en) * | 2016-12-13 | 2017-03-15 | 蚌埠凯盛工程技术有限公司 | Car is installed in a kind of hanging automatic edge machine transport |
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2017
- 2017-06-30 CN CN201710522066.0A patent/CN107310604B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29808902U1 (en) * | 1998-05-08 | 1998-07-23 | Hinz Fabrik GmbH, 12107 Berlin | dare |
| US6371497B1 (en) * | 2000-11-14 | 2002-04-16 | Paulette A. Scire | Personal computer dolly |
| CN204044698U (en) * | 2014-04-11 | 2014-12-24 | 甘肃民族师范学院 | A kind of computer host box |
| CN105329295A (en) * | 2015-11-29 | 2016-02-17 | 重庆渝青机械配件制造有限公司 | Trolley for transferring gears |
| CN106494473A (en) * | 2016-12-13 | 2017-03-15 | 蚌埠凯盛工程技术有限公司 | Car is installed in a kind of hanging automatic edge machine transport |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107631136A (en) * | 2017-11-19 | 2018-01-26 | 济源维恩科技开发有限公司 | Computer pallet |
| CN108001503A (en) * | 2017-12-14 | 2018-05-08 | 广州九六计算机有限公司 | A kind of Computer aided building transporting equipment |
| CN110386175A (en) * | 2019-06-17 | 2019-10-29 | 重庆电子工程职业学院 | A kind of computer transportation safety isolating device convenient for pick-and-place |
| CN113442983A (en) * | 2020-03-25 | 2021-09-28 | 江苏南源消防工程有限公司 | Pulling device of foam fire extinguishing device |
| CN113442983B (en) * | 2020-03-25 | 2023-04-07 | 江苏南源消防工程有限公司 | Pulling device of foam fire extinguishing device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107310604B (en) | 2018-06-26 |
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