CN106088611B - A kind of build concrete ground pump terminal auxiliary pours device - Google Patents
A kind of build concrete ground pump terminal auxiliary pours device Download PDFInfo
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- CN106088611B CN106088611B CN201610458270.6A CN201610458270A CN106088611B CN 106088611 B CN106088611 B CN 106088611B CN 201610458270 A CN201610458270 A CN 201610458270A CN 106088611 B CN106088611 B CN 106088611B
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- motor
- screw
- bottom plate
- hopper
- concrete
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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
- E04G21/04—Devices for both conveying and distributing
-
- 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
- E04G21/06—Solidifying concrete, e.g. by application of vacuum before hardening
- E04G21/08—Internal vibrators, e.g. needle vibrators
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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 present invention relates to a kind of build concrete ground pump terminal auxiliary to pour device, including travel mechanism, vibrating mechanism, conveying mechanism and material storage mechanism, described vibrating mechanism, conveying mechanism and material storage mechanism is each attached to travel mechanism upper end, described travel mechanism is used for the motion for driving whole device, described vibrating mechanism is used for the vibratory concrete after pouring is uniform, the concrete conveyance that described conveying mechanism is used to store in material storage mechanism is used to store concrete to job location, described material storage mechanism.The present invention solves existing apparatus and is difficult to arrive at the harsh concreting field operation of environment, need the problems such as manual operation, realize concrete automatic pouring and vibrated uniform function after pouring, have the advantages that strong applicability, automaticity are high and operating efficiency is high.
Description
Technical field
The present invention relates to building machinery field, more particularly to a kind of build concrete ground pump terminal auxiliary pours device.
Background technology
Ground pump can only be usually selected to pour operation when distant in concreting, the pipe end that ground pump is led to is usually
The place narrow positioned at position, cause usually sling pipeline by tower crane in casting concrete, worker holds end pipeline
Pour operation, the concrete after pouring in order to prevent cavity, isolation, it is also necessary to worker hold concrete vibration bar vibrated
Even, due to tower crane, usually distance construction position is farther out, it is difficult to observe it is clear, this greatly add worker work risk and
Working strength.
The content of the invention
In order to solve the above problems, the invention provides a kind of build concrete ground pump terminal auxiliary to pour device, solves
Existing apparatus of having determined is difficult to arrive at the harsh concreting field operation of environment, needs the problems such as manual operation, realizes mixed
Coagulate native automatic pouring and vibrated uniform function after pouring, have strong applicability, automaticity height and operating efficiency high
The advantages that.
To achieve these goals, the present invention is realized using following technical scheme：A kind of build concrete ground pump is whole
End auxiliary pours device, including travel mechanism, vibrating mechanism, conveying mechanism and material storage mechanism, described vibrating mechanism, conveyer
Structure and material storage mechanism are each attached to travel mechanism upper end.
Described travel mechanism includes：Bottom plate, hook, connecting seat, support base and crawler belt, described support base and caterpillar teeth
Take turns chain to be connected, described connecting seat is connected with support base, and described bottom plate is connected with connecting seat, described hook and institute
The bottom plate stated is connected, and described hook is used for hooking and transports whole device, and described travel mechanism is used to drive whole device
Motion.
Described vibrating mechanism includes：Vibrating head, hollow cylinder, slide bar, slideway, connecting rod, feed screw nut, motor, tooth
Wheel, support column, motor set and spring, described vibrating head are used cooperatively with hollow cylinder gap, described vibrating head upper end with
Lower spring end is connected, and described spring is used for the up and down motion of buffering vibration rod, and described hollow cylinder passes through weldering with slide bar
Connect connected, described slide bar to be connected with slideway gap, described slideway is weldingly connected with connecting rod, described feed screw nut
It is connected with slide bar, described motor includes linear electric motors and electric rotating machine, and described gear includes driven gear and master gear,
Described feed screw nut is connected with linear electric motors by leading screw, and described linear electric motors are connected by motor set with connecting rod
Connect, described connecting rod lower end is connected with driven gear by screw, and described driven gear passes through with described support column
Shaft hole matching is connected, and described support column is connected with bottom plate by screw, and described master gear passes through shaft coupling with electric rotating machine
Device is connected, and described driven gear is used cooperatively with master gear by gear pair, and described electric rotating machine is connected with motor set
Connect, described motor set is connected by screw with bottom plate；Described electric rotating machine is driven by gear pair drives connecting rod to rotate
Motion, described linear electric motors band moving slide-bar moves along a straight line, and then drives vibrating head linear motion, passes through linear electric motors and rotation
Motor is used cooperatively, and can make it that vibrating head rotates and linear motion, described vibrating head are used to shake the concrete after pouring
It is dynamic uniform.
Described conveying mechanism includes：Cylindrical seat, connecting tube, column spinner, motor cabinet, motor, hydraulic column, bolt, nut
And spreader, described cylindrical seat are connected by screw with bottom plate, described connecting tube is connected with discharge opening screw thread, described
Column spinner lower end be provided with small column, described column spinner is coordinated by hole post and is connected with cylindrical seat, described motor and
Column spinner is connected by shaft coupling, and described motor is connected with motor cabinet by screw, described motor cabinet by screw with
Bottom plate is connected, and with column spinner by being weldingly connected, described motor is used to drive column spinner to revolve for described hydraulic column, spreader
Turn, and then drive hydraulic column and spreader rotation, described hydraulic column is used for the elongation and contraction for controlling spreader, described spreader head
The material in portion is rubber, and described spreader is connected with bolt, and described bolts and nuts, which are used cooperatively, to be used to adjust spreader
The size on head, controls the flow of concrete, and described conveying mechanism is used for the concrete conveyance in material storage mechanism to construction
Place.
Described material storage mechanism includes：Hopper, mixing arm, pressure sensor, charging hole, pump machine, discharge opening, fixed mount,
Driven pulley, transmission belt, driving wheel and stirring motor, described hopper bottom are arranged to apsacline, described hopper, fixed mount and
Motor is connected with bottom plate by screw, and described one end axle of mixing arm is connected with hopper shaft hole matching, and mixing arm is another
End is connected with fixed mount shaft hole matching, and described mixing arm is used to stir concrete in hopper, prevents its solidification, described pressure
Force snesor is fixed on hopper bottom angled face lower end, and described pressure sensor is for detecting whether there is concrete to flow into material
Case, described pump machine are fixed by screws in hopper bottom angled face lower end, and the pump machine selects existing mature technology, described
Charging hole, discharge opening are fixedly connected with two sides of hopper respectively, and described charging hole is connected with concrete ground pump conduit terminal
Connect, described transmission belt is connected with driving wheel belt wheel, and described driven pulley is connected with transmission belt belt wheel, described master
Driving wheel is connected by shaft coupling with stirring motor, described stirring motor rotary motion, is driven and stirred by pulley drive
Concrete in arm Stirring hopper.
Before work, it is motor-driven to place of working by travel mechanism that a kind of build concrete ground pump terminal auxiliary pours device
Point, or hung by equipment such as tower cranes to job site；During work, concrete ground pump conduit terminal is connected with charging hole,
After pressure sensor has detected that concrete flows into hopper, device sends prompting, and worker is past by straighforward operation conveying mechanism
Conveying position blowing is needed, after blowing terminates, straighforward operation vibrating mechanism is uniform by vibratory concrete.
The beneficial effects of the present invention are：A kind of build concrete ground pump terminal auxiliary pours device, solves existing
Device is difficult to arrive at the harsh concreting field operation of environment, needs the problems such as manual operation, and it is automatic to realize concrete
Pour and uniform function is vibrated after pouring, have the advantages that strong applicability, automaticity are high and operating efficiency is high.
Brief description of the drawings
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is the dimensional structure diagram of the present invention；
Fig. 2 is that travel mechanism of the present invention removes bottom plate and the structural representation after hook；
Fig. 3 is the structural representation of vibrating mechanism of the present invention；
Fig. 4 is Fig. 3 of the present invention A-A to sectional view；
Fig. 5 is the structural representation of conveying mechanism of the present invention；
Fig. 6 is Fig. 5 of the present invention I to partial enlarged drawing；
Fig. 7 is the structural representation of material storage mechanism of the present invention.
Specific embodiment
In order that the technical means, the inventive features, the objects and the advantages of the present invention are easy to understand, tie below
Conjunction is specifically illustrating, and the present invention is expanded on further.It should be noted that in the case where not conflicting, embodiment in the application and
Feature in embodiment can be combined with each other.
As shown in figure 1, a kind of build concrete ground pump terminal auxiliary pours device, including travel mechanism 1, vibrating mechanism
2nd, conveying mechanism 3 and material storage mechanism 4, described vibrating mechanism 2, conveying mechanism 3 and material storage mechanism 4 are each attached to travel mechanism 1
Upper end.
Such as Fig. 2, shown in Fig. 3, described travel mechanism 1 includes：Bottom plate 101, hook 102, connecting seat 103, support base 104
With crawler belt 105, described support base 104 is connected with the chain of crawler belt 105, described connecting seat 103 and support base 104
It is connected, described bottom plate 101 is connected with connecting seat 103, and described hook 102 is connected with described bottom plate 101, described hook
102, which are used for hooking, transports whole device, and described travel mechanism 1 is used for the motion for driving whole device.
Such as Fig. 3, shown in Fig. 4, described vibrating mechanism 2 includes：Vibrating head 201, hollow cylinder 202, slide bar 203, slideway
204th, connecting rod 205, feed screw nut 206, motor, gear, support column 209, motor set 210 and spring 211, described vibrating head
201 are used cooperatively with the gap of hollow cylinder 202, and the described upper end of vibrating head 201 is connected with the lower end of spring 211, described bullet
Spring 211 be used for buffering vibration rod 201 up and down motion, described hollow cylinder 202 with slide bar 203 by being weldingly connected, it is described
Slide bar 203 and the gap of slideway 204 be connected, described slideway 204 is weldingly connected with connecting rod 205, described leading screw spiral shell
Mother 206 is connected with slide bar 203, and described motor, which includes linear electric motors 207a and electric rotating machine 207b, described gear, to be included
Driven gear 208a and master gear 208b, described feed screw nut 206 is connected with linear electric motors 207a by leading screw, described
Linear electric motors 207a be connected by motor set with connecting rod 205, the described lower end of connecting rod 205 leads to driven gear 208a
Cross screw to be connected, described driven gear 208a is connected with described support column 209 by shaft hole matching, described support column
209 are connected with bottom plate 101 by screw, and described master gear 208b is connected with electric rotating machine 207b by shaft coupling, institute
The driven gear 208a stated and master gear 208b is used cooperatively by gear pair, described electric rotating machine 207b and motor set 210
It is connected, described motor set 210 is connected by screw with bottom plate 101；Described electric rotating machine 207b passes through gear auxiliary driving
The rotary motion of connecting rod 205 is driven, described linear electric motors 207a band moving slide-bars 203 move along a straight line, and then drive vibrating head 201
Linear motion, is used cooperatively by linear electric motors 207a and electric rotating machine 207b, can cause the rotation of vibrating head 201 and straight line fortune
Dynamic, described vibrating head 201 is used for the vibratory concrete after pouring is uniform.
Such as Fig. 5, shown in Fig. 6, described conveying mechanism 3 includes：Cylindrical seat 301, connecting tube 302, column spinner 303, motor
Seat 304, motor 305, hydraulic column 306, bolt 307, nut 308 and spreader 309, described cylindrical seat 301 pass through screw and bottom
Plate 101 is connected, and described connecting tube 302 is connected with the screw thread of discharge opening 406, and the described lower end of column spinner 303 is provided with
Small column, described column spinner 303 are coordinated by hole post and are connected with cylindrical seat 301, described motor 305 and column spinner 303
It is connected by shaft coupling, described motor 305 is connected with motor cabinet 304 by screw, and described motor cabinet 304 passes through screw
Be connected with bottom plate 101, described hydraulic column 306, spreader 309 with column spinner 303 by being weldingly connected, described motor
305 are used to drive column spinner 303 to rotate, and then drive hydraulic column 306 and spreader 309 to rotate, and described hydraulic column 306 is used to control
The elongation and contraction of spreader 309 processed, the material on the described head of spreader 309 is rubber, and described spreader 309 is matched somebody with somebody with bolt 307
Connection is closed, described bolt 307 is used cooperatively the size for being used for adjusting the head of spreader 309 with nut 308, controls the stream of concrete
Amount, described conveying mechanism 3 are used for the concrete conveyance in material storage mechanism 4 to construction place.
As shown in fig. 7, described material storage mechanism 4 includes：Hopper 401, mixing arm 402, pressure sensor 403, charging hole
404th, pump machine 405, discharge opening 406, fixed mount 407, driven pulley 408, transmission belt 409, driving wheel 410 and stirring motor 411, institute
The bottom of hopper 401 stated is arranged to apsacline, and described hopper 401, fixed mount 407 and stirring motor 411 are logical with bottom plate 101
Cross screw to be connected, described 402 1 end axles of mixing arm are connected with the shaft hole matching of hopper 401, and the other end of mixing arm 402 is with consolidating
Determine the shaft hole matching of frame 407 to be connected, described mixing arm 402 is used to stir concrete in hopper 401, prevents its solidification, described
Pressure sensor 403 be fixed on the bottom angled face lower end of hopper 401, described pressure sensor 403 is for detecting whether have
Concrete flows into hopper 401, and described pump machine 405 is fixed by screws in the bottom angled face lower end of hopper 401, the pump machine
405 select existing mature technology, and described charging hole 404, discharge opening 406 are fixedly connected with two sides of hopper 401 respectively, institute
The charging hole 404 stated is connected with concrete ground pump conduit terminal, and described transmission belt 409 coordinates with the belt wheel of driving wheel 410 and connected
Connect, described driven pulley 408 is connected with the belt wheel of transmission belt 409, and described driving wheel 410 passes through shaft coupling and stirring motor
411 are connected, the described rotary motion of stirring motor 411, and the Stirring hopper of mixing arm 402 is driven by pulley drive
Concrete in 401.
Before work, it is motor-driven to place of working by travel mechanism 1 that a kind of build concrete ground pump terminal auxiliary pours device
Point, or hung by equipment such as tower cranes to job site；During work, concrete ground pump conduit terminal is connected with charging hole 404
Connect, after pressure sensor 403 has detected that concrete flows into hopper 401, device sends prompting, and worker is defeated by straighforward operation
Sending mechanism 3, after blowing terminates, straighforward operation vibrating mechanism 2 is uniform by vibratory concrete toward conveying position blowing is needed.The present apparatus
Solve existing apparatus and be difficult to arrive at the harsh concreting field operation of environment, it is necessary to which the problem such as manual operation, is realized
Concrete automatic pouring and vibrate uniform function after pouring, solve the coagulation that existing apparatus is difficult to arrive at environment harshness
Soil pours field operation, needs the problems such as manual operation, has reached purpose.
The basic principles, principal features and advantages of the present invention have been shown and described above.The technical staff of the industry should
Understand, the present invention is not limited to the above embodiments, and the description in above-described embodiment and specification simply illustrates the present invention
Principle, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, and these change and changed
Enter all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by appended claims and its equivalent
Define.
Claims (3)
1. a kind of build concrete ground pump terminal auxiliary pours device, it is characterised in that：Including travel mechanism (1), bobbing machine
Structure (2), conveying mechanism (3) and material storage mechanism (4), described vibrating mechanism (2), conveying mechanism (3) and material storage mechanism (4) are solid
It is scheduled on travel mechanism (1) upper end；
Described vibrating mechanism (2) includes：Vibrating head (201), hollow cylinder (202), slide bar (203), slideway (204), connection
Bar (205), feed screw nut (206), motor, gear, support column (209), motor set (210) and spring (211), described vibration
Rod (201) is connected with hollow cylinder (202) gap, and described vibrating head (201) upper end is connected with spring (211) lower end
Connect, described hollow cylinder (202) with slide bar (203) by being weldingly connected, described slide bar (203) and slideway (204) gap
It is connected, described slideway (204) is weldingly connected with connecting rod (205), described feed screw nut (206) and slide bar (203)
It is connected, described motor includes linear electric motors (207a) and electric rotating machine (207b), and described gear includes driven gear
(208a) and master gear (208b), described feed screw nut (206) is connected with linear electric motors (207a) by leading screw, described
Linear electric motors (207a) be connected by motor set with connecting rod (205), described connecting rod (205) lower end and driven gear
(208a) is connected by screw, and described driven gear (208a) is connected with described support column (209) by shaft hole matching,
Described support column (209) is connected with bottom plate (101) by screw, described master gear (208b) and electric rotating machine (207b)
It is connected by shaft coupling, described driven gear (208a) is used cooperatively with master gear (208b) by gear pair, described
Electric rotating machine (207b) is connected with motor set (210), and described motor set (210) is connected by screw with bottom plate (101)；
Described conveying mechanism (3) includes：Cylindrical seat (301), connecting tube (302), column spinner (303), motor cabinet (304), electricity
Machine (305), hydraulic column (306), bolt (307) and spreader (309), described cylindrical seat (301) pass through screw and bottom plate (101)
It is connected, described connecting tube (302) is connected with discharge opening (406) screw thread, described column spinner (303) and cylindrical seat
(301) it is connected, described motor (305) is connected with column spinner (303) by shaft coupling, described motor (305) and motor
Seat (304) is connected by screw, and described motor cabinet (304) is connected by screw with bottom plate (101), described hydraulic column
(306), with column spinner (303) by being weldingly connected, described spreader (309) coordinates and connected spreader (309) with bolt (307)
Connect；
Described material storage mechanism (4) includes：Hopper (401), mixing arm (402), pressure sensor (403), charging hole (404),
Pump machine (405), discharge opening (406), fixed mount (407), driven pulley (408), transmission belt (409), driving wheel (410) and stirring electricity
Machine (411), described hopper (401) bottom are arranged to apsacline, described hopper (401), fixed mount (407) and stirring motor
(411) it is connected with bottom plate (101) by screw, described (402) end axles of mixing arm and hopper (401) shaft hole matching phase
Connection, mixing arm (402) other end are connected with fixed mount (407) shaft hole matching, and described pressure sensor (403) is fixed on
Hopper (401) bottom angled face lower end, described pump machine (405) are fixed by screws in hopper (401) bottom angled face lower end,
Two sides of the described charging hole (404), discharge opening (406) respectively with hopper (401) are fixedly connected with, described charging hole
(404) it is connected with concrete ground pump conduit terminal, described transmission belt (409) is connected with driving wheel (410) belt wheel, institute
The driven pulley (408) stated is connected with transmission belt (409) belt wheel, and described driving wheel (410) passes through shaft coupling and stirring electricity
Machine (411) is connected.
2. a kind of build concrete ground pump terminal auxiliary according to claim 1 pours device, it is characterised in that：It is described
The material on spreader (309) head be rubber.
3. a kind of build concrete ground pump terminal auxiliary according to claim 1 pours device, it is characterised in that：It is described
Travel mechanism (1) include：Bottom plate (101), hook (102), connecting seat (103), support base (104) and crawler belt (105), it is described
Support base (104) and crawler belt (105) chain be connected, described connecting seat (103) is connected with support base (104),
Described bottom plate (101) is connected with connecting seat (103), and described hook (102) is connected with described bottom plate (101).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610458270.6A CN106088611B (en) | 2016-06-22 | 2016-06-22 | A kind of build concrete ground pump terminal auxiliary pours device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610458270.6A CN106088611B (en) | 2016-06-22 | 2016-06-22 | A kind of build concrete ground pump terminal auxiliary pours device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106088611A CN106088611A (en) | 2016-11-09 |
| CN106088611B true CN106088611B (en) | 2018-01-23 |
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| CN201610458270.6A Active CN106088611B (en) | 2016-06-22 | 2016-06-22 | A kind of build concrete ground pump terminal auxiliary pours device |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109610837A (en) * | 2018-11-26 | 2019-04-12 | 滁州职业技术学院 | A kind of mixed mud pours device |
| CN110284411B (en) * | 2019-06-11 | 2021-08-03 | 江苏省苏中建设集团股份有限公司 | Construction grouting vibration equipment |
| CN110173119B (en) * | 2019-06-27 | 2024-04-05 | 中核华辰建筑工程有限公司 | Pumping and vibrating integrated equipment for concrete construction |
| CN112267683B (en) * | 2020-10-16 | 2022-07-05 | 同济大学 | Light concrete cast-in-place robot |
| CN112895153A (en) * | 2021-01-15 | 2021-06-04 | 中建八局天津建设工程有限公司 | Pouring and vibrating all-in-one machine and construction method thereof |
| CN113089497B (en) * | 2021-05-08 | 2023-02-14 | 广东省佛山公路集团有限公司 | Pouring method of concrete pouring device for bridge construction |
| CN113846845A (en) * | 2021-09-06 | 2021-12-28 | 中国建筑第八工程局有限公司 | Constructional column concrete vibrating pouring equipment and pouring method thereof |
| CN114892596B (en) * | 2022-04-11 | 2023-07-18 | 河南水建集团有限公司 | Construction equipment is pour to water conservancy bank protection inclined plane |
| CN114856202B (en) * | 2022-05-07 | 2023-11-21 | 江苏神铸智能科技有限公司 | Casting equipment with high automation degree |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4120905B2 (en) * | 1999-03-31 | 2008-07-16 | 石川島建機株式会社 | Operation control device for boom-equipped concrete pump car |
| DE20209952U1 (en) * | 2002-03-22 | 2002-09-19 | TBG Transportbeton Rheinhessen GmbH & Co KG, 55545 Bad Kreuznach | Truck-mounted concrete pump |
| CN101922429B (en) * | 2010-08-25 | 2012-07-25 | 三一重工股份有限公司 | Concrete pump truck and control method thereof as well as pumping system and distribution mechanism thereof |
| CN104975719A (en) * | 2015-06-11 | 2015-10-14 | 中国建筑第二工程局有限公司 | Novel material distribution device and construction method for pouring floor concrete by using same |
| CN204920233U (en) * | 2015-08-18 | 2015-12-30 | 浙江伟星建设有限公司 | Concrete placement vibrator |
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2016
- 2016-06-22 CN CN201610458270.6A patent/CN106088611B/en active Active
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Inventor after: Bai Zibin Inventor after: Chen Yanjun Inventor after: Sun Heling Inventor after: Gao Yingjie Inventor after: Hu Haiying Inventor after: Li Qiang Inventor before: Shen Yonggen |
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Effective date of registration: 20171227 Address after: 301700 Tianjin Wuqing Development Zone business headquarters base B16 Applicant after: Si Engineering Co., Ltd of middle iron Er Shierju group Address before: 246001, room 3, building 80, No. 409, Tianzhu mountain road, Anqing Development Zone, Anhui, China Applicant before: ANQING HAINA INFORMATION TECHNOLOGY CO., LTD. |
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Effective date of registration: 20220114 Address after: 100043 No. 35, Shijingshan Road, Beijing, Shijingshan District Patentee after: China Railway 22nd Bureau Group Co.,ltd. Patentee after: The Fourth Engineering Co., Ltd. of China Railway 22nd Bureau Group Address before: 301700 entrepreneurship headquarters base B16, Wuqing Development Zone, Tianjin Patentee before: 4TH ENGINEERING CO.,LTD. OF CHINA RAILWAY 22 BUREAU Group |