CN108166762A - A kind of swivel elbow device being adjusted by rotation on concrete mixer - Google Patents
A kind of swivel elbow device being adjusted by rotation on concrete mixer Download PDFInfo
- Publication number
- CN108166762A CN108166762A CN201810144051.XA CN201810144051A CN108166762A CN 108166762 A CN108166762 A CN 108166762A CN 201810144051 A CN201810144051 A CN 201810144051A CN 108166762 A CN108166762 A CN 108166762A
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- small
- fixedly connected
- straight tube
- concrete mixer
- small hydraulic
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Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The invention discloses a kind of anti-return swivel elbow devices being adjusted by rotation on concrete mixer, including straight tube, the straight tube is fixedly mounted on concrete mixer, the straight tube is equipped with assembling pipe joint, the straight tube is internally provided with anti-return pipeline sealing device, controller is equipped with outside the straight tube, the power output end of the controller is electrically connected with small hydraulic oil pump, small hydraulic buttery valve and back-flow preventer.The invention has the advantages that of simple structure and strong practicability.
Description
Technical field
The present invention relates to concrete conveyance relevant device field, particularly a kind of rotatable tune on concrete mixer
The anti-return swivel elbow device of section.
Background technology
In the modern life, as building is higher and higher, the application of concrete pump truck is more and more extensive, and existing
What concrete mixer was used in pipe bent position is all rubber tubing, and this pipeline service life is not high, easily generates damage, and work as
After concrete mixer has conveyed concrete, concrete often generates backflow phenomenon, leads to the waste of concrete.
Invention content
The purpose of the present invention is to solve the above problems, devise a kind of for being adjusted by rotation on concrete mixer
Anti-return swivel elbow device.
Realize above-mentioned purpose the technical scheme is that, it is a kind of to prevent back for being adjusted by rotation on concrete mixer
Swivel elbow device is flowed, including straight tube, the straight tube is fixedly mounted on concrete mixer, and the straight tube is connected equipped with pipeline
Device, the assembling pipe joint by being located at two fixing bearings that both ends inside straight tube are fixedly connected with straight tube, positioned at two
It is fixedly connected in fixing bearing with two fixing bearings and two positioned at straight tube both ends docks bend pipe, positioned at two docking bend pipes
Sealing flange that bend pipe is fixedly connected is docked with two, is opened in equally distributed several circles on sealing flange outer surface in one end
Hole is fixedly connected with sealing flange positioned at sealing flange side and is located at the fixed cylinder in circular hole, is inside fixed cylinder and solid
Small hydraulic cylinder that safety barrel is fixedly connected, the small hydraulic oil port for being opened in small hydraulic cylinder side side surface both ends, positioned at small hydraulic pressure
The small hydraulic oil pipe that is fixedly connected on hydraulic fluid port with small hydraulic oil port is fixedly connected on small hydraulic oil pipe with small hydraulic oil pipe
Small hydraulic oil pump, the small hydraulic buttery valve being fixedly connected with small hydraulic oil pipe positioned at small hydraulic oil pump side, positioned at small hydraulic oil
Small mobile piston that cylinder interior is flexibly connected with small hydraulic cylinder, at small mobile piston side side surface center with small movement
Small telescopic mast that piston is fixedly connected, the small telescopic mast mouth being opened on the side surface of small hydraulic cylinder side, positioned at small telescopic mast mouth
The upper small gasket for being fixedly connected and being flexibly connected with small telescopic mast with small telescopic mast mouth is opened on the side surface of fixed cylinder side
It fixed cylinder telescopic mast mouth and is collectively formed positioned at the pressure code that small flexible top end is fixedly connected with small telescopic mast, inside the straight tube
Equipped with anti-return pipeline sealing device, the anti-return pipeline sealing device is fixed by being located on the inside of two fixing bearings with straight tube
Connection two sealing baffles, be opened at the center of two sealing baffle side surfaces bend pipe mouth, in bend pipe mouth with bend pipe mouth
The sealing ring that is fixedly connected and connect with docking trap seal is fixedly connected inside the straight tube with straight tube and seals gear with two
Sebific duct that plate is fixedly connected and the back-flow preventer being fixedly connected at straight tube center with straight tube collectively form, outside the straight tube
Portion is equipped with controller, and the power output end of the controller and small hydraulic oil pump, small hydraulic buttery valve and back-flow preventer are electrical
Connection.
The back-flow preventer by being opened in the small sircle hole at straight tube upper surface center, inside the straight tube upper and lower ends with it is straight
Pipe is fixedly connected and two small fixing bearings below the small sircle hole, in two small fixing bearings with two small fixing axles
Hold the small rotary shaft being fixedly connected, the anti-return plectane being fixedly connected in small rotary shaft with small rotary shaft and on straight tube
The rotating device that side is fixedly connected with straight tube collectively forms.
The rotating device is by being located at the pedestal being fixedly connected above small sircle hole with straight tube, being opened in the logical of upper surface center
Hole, the internally threaded sleeve being fixedly connected at through-hole inside center with through-hole, in internally threaded sleeve and internally threaded sleeve
The screw rod that is threadedly coupled and is fixedly connected with small rotary shaft, be fixedly connected positioned at internally threaded sleeve above with through-hole and telescopic end and
The micro servo motor that screw rod is fixedly connected collectively forms.
The power output end of the micro servo motor and controller is electrically connected.
Sebific duct is made of concrete conveyance Special wear-resistant rubber tube.
The docking bend pipe is by pressing code and small hydraulic cylinder to be fixedly connected with external pipe.
The docking bend pipe is made of the thick pipe that stainless steel is formed.
PLC system is equipped in the controller.
The controller is equipped with capacitance display screen, control button and switch button.
The controller is equipped with electrical interface, the power supply of the electrical interface and concrete mixer electric connection.
It is revolved using a kind of anti-return being adjusted by rotation on concrete mixer that technical scheme of the present invention makes
By above device, the docking of pipeline is carried out using pipeline docking facilities for turning pipe device, and pipeline docking facilities are internally provided with
Bearing can ensure the rotation that pipeline can be random, then by anti-return pipeline sealing device, can effectively ensure pipeline
Service life and also effectively prevent concrete backflow phenomenon, the present apparatus is simple in structure, easy to operate, the degree of automation compared with
It is high.
Description of the drawings
Fig. 1 is a kind of anti-return swivel elbow device being adjusted by rotation on concrete mixer of the present invention
Structure diagram；
Fig. 2 is the schematic diagram of fixed cylinder of the present invention；
Fig. 3 is the schematic diagram of sealing flange of the present invention；
Fig. 4 is the schematic diagram of pedestal of the present invention；
Fig. 5 is the schematic diagram of controller of the present invention；
In figure, 1, straight tube；2nd, fixing bearing；3rd, bend pipe is docked；4th, sealing flange；5th, circular hole；6th, fixed cylinder；7th, small liquid
Compressing cylinder；8th, small hydraulic oil port；9th, small hydraulic oil pipe；10th, small hydraulic oil pump；11st, small hydraulic buttery valve；12nd, small mobile piston；
13rd, small telescopic mast；14th, small telescopic mast mouth；15th, small gasket；16th, fixed cylinder telescopic mast mouth；17th, code is pressed；18th, sealing gear
Plate；19th, bend pipe mouth；20th, sealing ring；21st, sebific duct；22nd, controller；23rd, small sircle hole；24th, small fixing bearing；25th, small rotation
Axis；26th, anti-return plectane；27th, pedestal；28th, through-hole；29th, internally threaded sleeve；30th, screw rod；31st, micro servo motor； 32、
PLC system；33rd, capacitance display screen；34th, control button；35th, switch button；36th, electrical interface is used.
Specific embodiment
The present invention is specifically described below in conjunction with the accompanying drawings, as shown in Figs. 1-5, it is a kind of on concrete mixer can
The anti-return swivel elbow device adjusted is rotated, including straight tube 1, the straight tube 1 is fixedly mounted on concrete mixer, described straight
Pipe 1 be equipped with assembling pipe joint, the assembling pipe joint be fixedly connected by being located at 1 inside both ends of straight tube with straight tube 1 two
A fixing bearing 2, be fixedly connected with two fixing bearings 2 in two fixing bearings 2 and be located at two of 1 both ends of straight tube it is right
Bend pipe 3 is connect, sealing flange 4 that bend pipe 3 is fixedly connected is docked with two positioned at two docking 3 one end of bend pipe, is opened in sealing flange
Equally distributed several circular holes 5 on 4 outer surfaces are fixedly connected and with sealing flange 4 positioned at circular hole positioned at 4 side of sealing flange
Fixed cylinder 6 in 5, is opened in small hydraulic cylinder 7 one at the small hydraulic cylinder 7 being fixedly connected with fixed cylinder 6 positioned at 6 inside of fixed cylinder
The small hydraulic oil port 8 at side side surface both ends, the small hydraulic oil pipe being fixedly connected in small hydraulic oil port 8 with small hydraulic oil port 8
9th, the small hydraulic oil pump 10 that is fixedly connected on small hydraulic oil pipe 9 with small hydraulic oil pipe 9, positioned at small 10 side of hydraulic oil pump with
Small hydraulic buttery valve 11 that small hydraulic oil pipe 9 is fixedly connected is flexibly connected positioned at small 7 inside of hydraulic cylinder with small hydraulic cylinder 7
Small mobile piston 12, be fixedly connected at small mobile 12 side side surface center of piston with small mobile piston 12 it is small flexible
Column 13, the small telescopic mast mouth 14 being opened on small 7 side side surface of hydraulic cylinder, on small telescopic mast mouth 14 with small telescopic mast mouth
The 14 small gaskets 15 for being fixedly connected and being flexibly connected with small telescopic mast 13, the fixed cylinder being opened on 6 side side surface of fixed cylinder
It telescopic mast mouth 16 and is collectively formed positioned at small 13 top of telescopic mast with the pressure code 17 that small telescopic mast 13 is fixedly connected, the straight tube 1
Anti-return pipeline sealing device is internally provided with, the anti-return pipeline sealing device is on the inside of two fixing bearings 2 and straight by being located at
Two sealing baffles 18 that pipe 1 is fixedly connected, the bend pipe mouth 19 being opened at two 18 side surface centers of sealing baffle, positioned at curved
Be fixedly connected with bend pipe mouth 19 in nozzle 19 and with dock sealing ring 20 that bend pipe 3 is tightly connected, inside straight tube 1 and straight tube
It 1 sebific duct 21 for being fixedly connected and being fixedly connected with two sealing baffles 18 and is fixedly connected at 1 center of straight tube with straight tube 1
Back-flow preventer collectively form, 1 outside of the straight tube is equipped with controller 22, power output end and the small liquid of the controller 22
Pressure oil pump, small hydraulic buttery valve and back-flow preventer are electrically connected；The back-flow preventer is by being opened in 1 upper surface center of straight tube
Small sircle hole 23, be fixedly connected with straight tube 1 and positioned at two small fixations of 23 lower section of small sircle hole positioned at 1 inside upper and lower ends of straight tube
Bearing 24, the small rotary shaft 25 being fixedly connected with two small fixing bearing 24 in the two small fixing bearing 24, positioned at small rotation
The anti-return plectane 26 being fixedly connected in shaft 25 with small rotary shaft 25 and the rotation being fixedly connected above straight tube 1 with straight tube 1
Rotary device collectively forms；The rotating device is by being located at the pedestal 27 being fixedly connected above small sircle hole 23 with straight tube 1, being opened in pedestal
Through-hole 28 at 27 upper surfaces center, the internally threaded sleeve 29 being fixedly connected at 28 inside center of through-hole with through-hole 28, position
In the screw rod 30 for being threadedly coupled with internally threaded sleeve 29 in internally threaded sleeve 29 and being fixedly connected with small rotary shaft 25, positioned at interior spiral shell
The micro servo motor 31 that top is fixedly connected with through-hole 28 and telescopic end is fixedly connected with screw rod 30 of line casing 29 collectively forms；
The power output end of the micro servo motor 31 and controller 22 is electrically connected；Sebific duct 21 is by concrete conveyance Special wear-resistant rubber
Sebific duct is formed；The docking bend pipe 3 is by pressing code 17 and small hydraulic cylinder 7 to be fixedly connected with external pipe；The docking bend pipe
3 are made of the thick pipe that stainless steel is formed；PLC system 32 is equipped in the controller 22；The controller 22 is equipped with electricity
Hold display screen 33, control button 34 and switch button 35；The controller 22, which is equipped with, uses electrical interface 36, described to use electrical interface
36 are electrically connected with the power supply of concrete mixer.
The characteristics of the present embodiment is that straight tube is equipped with assembling pipe joint, and assembling pipe joint is by being located inside straight tube
Two fixing bearings that both ends are fixedly connected with straight tube are fixedly connected in two fixing bearings with two fixing bearings and position
Two in straight tube both ends dock bend pipes, the Sealing Method docked bend pipe with two positioned at two docking bend pipe one end and be fixedly connected
Orchid is opened in equally distributed several circular holes on sealing flange outer surface, fixes company positioned at sealing flange side and sealing flange
It connects and is located at the fixed cylinder in circular hole, the small hydraulic cylinder being fixedly connected inside fixed cylinder with fixed cylinder, is opened in small hydraulic pressure
The small hydraulic oil port at oil cylinder side side surface both ends, the small hydraulic oil being fixedly connected in small hydraulic oil port with small hydraulic oil port
Pipe, be fixedly connected on small hydraulic oil pipe with small hydraulic oil pipe small hydraulic oil pump, positioned at small hydraulic oil pump side and small liquid
Small hydraulic buttery valve that pressuring oil pipe is fixedly connected, small movement work be flexibly connected inside small hydraulic cylinder with small hydraulic cylinder
Plug, is opened in small hydraulic oil at the small telescopic mast being fixedly connected at small mobile piston side side surface center with small mobile piston
Small telescopic mast mouth on the side surface of cylinder side is fixedly connected with small telescopic mast mouth on small telescopic mast mouth and lives with small telescopic mast
The small gasket of dynamic connection, the fixed cylinder telescopic mast mouth being opened on the side surface of fixed cylinder side and positioned at small flexible top end with it is small
The pressure code that telescopic mast is fixedly connected collectively forms, and straight tube is internally provided with anti-return pipeline sealing device, anti-return seal for pipe joints dress
It puts by being located at two sealing baffles being fixedly connected on the inside of two fixing bearings with straight tube, being opened in two sealing baffle side surfaces
Bend pipe mouth at the heart, the sealing ring for being fixedly connected with bend pipe mouth in bend pipe mouth and being connect with docking trap seal, positioned at straight
The sebific duct and fixed at straight tube center with straight tube that pipe inside is fixedly connected with straight tube and is fixedly connected with two sealing baffles
The back-flow preventer of connection collectively forms, back-flow preventer by being opened in the small sircle hole at straight tube upper surface center, in straight tube
Portion's upper and lower ends are fixedly connected with straight tube and two small fixing bearings below small sircle hole, in two small fixing bearings
The small rotary shaft being fixedly connected with two small fixing bearings, the anti-return circle being fixedly connected in small rotary shaft with small rotary shaft
Plate and the rotating device being fixedly connected above straight tube with straight tube collectively form, and rotating device is above small sircle hole and straight by being located at
Pedestal that pipe is fixedly connected, the through-hole being opened at the center of upper surface, be fixedly connected at through-hole inside center with through-hole in
Threaded sleeve, is located at the screw rod for being threadedly coupled with internally threaded sleeve in internally threaded sleeve and being fixedly connected with small rotary shaft
The micro servo motor that internally threaded sleeve top is fixedly connected with through-hole and telescopic end is fixedly connected with screw rod collectively forms, and passes through
Above device carries out the docking of pipeline using pipeline docking facilities, and the bearing that pipeline docking facilities are internally provided with can ensure
Pipeline can be random rotation, then by anti-return pipeline sealing device, can effectively ensure pipeline service life and
Effective to prevent concrete backflow phenomenon, the present apparatus is simple in structure, easy to operate, and the degree of automation is higher.
In the present embodiment, it will be connect on controller with electrical interface with the power supply on concrete mixer, control control
Switch button starting device on device, controller control small hydraulic oil pump and small hydraulic buttery valve to start to work, small hydraulic oil pump
Hydraulic oil in small hydraulic cylinder is moved in the both sides of small mobile piston, so as to which small mobile piston be driven to start to move,
The small telescopic mast of small mobile piston movement drive starts to move, and small telescopic mast band dynamic pressure code movement is unclamped, by sealing flange and outside
Sealing flange connection on pipeline, at this point, controller control pressure code starts to shrink at, by the sealing on sealing flange and external pipe
Flange screw, make pipeline docking complete, at this time can use device, when it is desired to be used, pump truck rise, docking bend pipe lead to
It crosses fixing bearing to rotate on straight tube, ensures that pump truck smoothly rises, after use, by the way that the control on controller is controlled to press
Button control micro servo motor rotation, anti-return plectane is rotated, blocks concrete reflux line, then control and prevent by controller
The plectane that flows back carries out sectional discharge, until the concrete discharge in pipeline finishes.
Above-mentioned technical proposal only embodies the optimal technical scheme of technical solution of the present invention, those skilled in the art
The principle of the present invention is embodied to some variations that some of which part may be made, belongs to the scope of protection of the present invention it
It is interior.
Claims (10)
1. a kind of anti-return swivel elbow device being adjusted by rotation on concrete mixer, including straight tube (1), feature
It is, the straight tube (1) is fixedly mounted on concrete mixer, and the straight tube (1) is equipped with assembling pipe joint, the pipeline
Attachment device by being located at two fixing bearings (2) that the internal both ends of straight tube (1) are fixedly connected with straight tube (1), positioned at two fixations
It is fixedly connected in bearing (2) with two fixing bearings (2) and two positioned at straight tube (1) both ends docks bend pipe (3), positioned at two
Sealing flange (4) that bend pipe (3) is fixedly connected is docked with two, is opened in sealing flange (4) outer surface in docking bend pipe (3) one end
Upper equally distributed several circular holes (5) are fixedly connected and with sealing flange (4) positioned at circular hole (5) positioned at sealing flange (4) side
Interior fixed cylinder (6), is opened in small hydraulic pressure at the small hydraulic cylinder (7) being fixedly connected inside fixed cylinder (6) with fixed cylinder (6)
The small hydraulic oil port (8) at oil cylinder (7) side side surface both ends fixes company in small hydraulic oil port (8) with small hydraulic oil port (8)
The small hydraulic oil pipe (9) that connects, the small hydraulic oil pump (10) being fixedly connected on small hydraulic oil pipe (9) with small hydraulic oil pipe (9),
The small hydraulic buttery valve (11) that is fixedly connected positioned at small hydraulic oil pump (10) side with small hydraulic oil pipe (9), positioned at small hydraulic oil
The small mobile piston (12) that is flexibly connected with small hydraulic cylinder (7) inside cylinder (7), positioned at small mobile piston (12) side side surface
The small telescopic mast (13) that is fixedly connected at center with small mobile piston (12) is opened on small hydraulic cylinder (7) side side surface
Small telescopic mast mouth (14) is fixedly connected with small telescopic mast mouth (14) on small telescopic mast mouth (14) and lives with small telescopic mast (13)
It moves the small gasket (15) connected, the fixed cylinder telescopic mast mouth (16) being opened on fixed cylinder (6) side side surface and is stretched positioned at small
The pressure code (17) that contracting column (13) top is fixedly connected with small telescopic mast (13) collectively forms, and the straight tube (1), which is internally provided with, prevents back
Flow tube road sealing device, the anti-return pipeline sealing device is by being located on the inside of two fixing bearings (2) and the fixed company of straight tube (1)
Two sealing baffles (18) connecing, the bend pipe mouth (19) being opened at two sealing baffle (18) side surface centers, positioned at bend pipe mouth
(19) be fixedly connected in bend pipe mouth (19) and with dock sealing ring (20) that bend pipe (3) is tightly connected, inside the straight tube (1)
The sebific duct (21) that is fixedly connected with straight tube (1) and is fixedly connected with two sealing baffles (18) and at straight tube (1) center with
The back-flow preventer that straight tube (1) is fixedly connected collectively forms, and controller (22), the controller are equipped with outside the straight tube (1)
(22) power output end is electrically connected with small hydraulic oil pump, small hydraulic buttery valve and back-flow preventer.
2. a kind of anti-return swivel elbow being adjusted by rotation dress on concrete mixer according to claim 1
Put, which is characterized in that the back-flow preventer by being opened in the small sircle hole (23) at straight tube (1) upper surface center, positioned at straight tube (1)
Internal upper and lower ends are fixedly connected with straight tube (1) and the two small fixing bearing (24) below small sircle hole (23), positioned at two
The small rotary shaft (25) that is fixedly connected with two small fixing bearing (24) in a small fixing bearing (24), positioned at small rotary shaft (25)
It the upper anti-return plectane (26) being fixedly connected with small rotary shaft (25) and is fixedly connected with straight tube (1) positioned at straight tube (1) top
Rotating device collectively forms.
3. a kind of anti-return swivel elbow being adjusted by rotation dress on concrete mixer according to claim 2
It puts, which is characterized in that the rotating device is by being located at the pedestal (27) being fixedly connected above small sircle hole (23) with straight tube (1), opening
Through-hole (28) at pedestal (27) upper surface center, be fixedly connected at through-hole (28) inside center with through-hole (28) it is interior
Threaded sleeve (29) is threadedly coupled with internally threaded sleeve (29) in internally threaded sleeve (29) and is fixed with small rotary shaft (25)
The screw rod (30) of connection is fixedly connected above the internally threaded sleeve (29) and telescopic end and screw rod (30) fixation with through-hole (28)
The micro servo motor (31) of connection collectively forms.
4. a kind of anti-return swivel elbow being adjusted by rotation dress on concrete mixer according to claim 3
It puts, which is characterized in that the micro servo motor (31) and the power output end of controller (22) are electrically connected.
5. a kind of anti-return swivel elbow being adjusted by rotation dress on concrete mixer according to claim 1
It puts, which is characterized in that sebific duct (21) is made of concrete conveyance Special wear-resistant rubber tube.
6. a kind of anti-return swivel elbow being adjusted by rotation dress on concrete mixer according to claim 1
It puts, which is characterized in that the docking bend pipe (3) is by pressing code (17) and small hydraulic cylinder (7) to be fixedly connected with external pipe.
7. a kind of anti-return swivel elbow being adjusted by rotation dress on concrete mixer according to claim 1
It puts, which is characterized in that the docking bend pipe (3) is made of the thick pipe that stainless steel is formed.
8. a kind of anti-return swivel elbow being adjusted by rotation dress on concrete mixer according to claim 1
It puts, which is characterized in that PLC system (32) is equipped in the controller (22).
9. a kind of anti-return swivel elbow being adjusted by rotation dress on concrete mixer according to claim 1
It puts, which is characterized in that the controller (22) is equipped with capacitance display screen (33), control button (34) and switch button (35).
10. a kind of anti-return swivel elbow being adjusted by rotation dress on concrete mixer according to claim 1
It puts, which is characterized in that the controller (22) is equipped with electrical interface (36), the electrical interface (36) and concrete mixer
Power supply is electrically connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810144051.XA CN108166762A (en) | 2018-02-12 | 2018-02-12 | A kind of swivel elbow device being adjusted by rotation on concrete mixer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810144051.XA CN108166762A (en) | 2018-02-12 | 2018-02-12 | A kind of swivel elbow device being adjusted by rotation on concrete mixer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108166762A true CN108166762A (en) | 2018-06-15 |
Family
ID=62512392
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810144051.XA Withdrawn CN108166762A (en) | 2018-02-12 | 2018-02-12 | A kind of swivel elbow device being adjusted by rotation on concrete mixer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108166762A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108852649A (en) * | 2018-07-26 | 2018-11-23 | 刘宗群 | A kind of stretcher device that the intelligent electric on medical stretcher carriage slides |
-
2018
- 2018-02-12 CN CN201810144051.XA patent/CN108166762A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108852649A (en) * | 2018-07-26 | 2018-11-23 | 刘宗群 | A kind of stretcher device that the intelligent electric on medical stretcher carriage slides |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180615 |
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| WW01 | Invention patent application withdrawn after publication |