CN108393207A - A kind of bridge maintenance spray thrower - Google Patents
A kind of bridge maintenance spray thrower Download PDFInfo
- Publication number
- CN108393207A CN108393207A CN201711448727.6A CN201711448727A CN108393207A CN 108393207 A CN108393207 A CN 108393207A CN 201711448727 A CN201711448727 A CN 201711448727A CN 108393207 A CN108393207 A CN 108393207A
- Authority
- CN
- China
- Prior art keywords
- pipe
- hard tube
- water tank
- fixed
- car body
- 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.)
- Pending
Links
- 239000007921 spray Substances 0.000 title claims abstract description 48
- 238000012423 maintenance Methods 0.000 title claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 57
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 13
- 229910000831 Steel Inorganic materials 0.000 claims description 12
- 239000010959 steel Substances 0.000 claims description 12
- 230000000694 effects Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 4
- 238000004804 winding Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000007790 scraping Methods 0.000 description 3
- 238000011065 in-situ storage Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B9/00—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
- B05B9/03—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material
- B05B9/04—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump
- B05B9/0403—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump with pumps for liquids or other fluent material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
- B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
- B05B13/04—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work the spray heads being moved during spraying operation
- B05B13/0405—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work the spray heads being moved during spraying operation with reciprocating or oscillating spray heads
- B05B13/041—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work the spray heads being moved during spraying operation with reciprocating or oscillating spray heads with spray heads reciprocating along a straight line
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
- B05B15/14—Arrangements for preventing or controlling structural damage to spraying apparatus or its outlets, e.g. for breaking at desired places; Arrangements for handling or replacing damaged parts
- B05B15/16—Arrangements for preventing or controlling structural damage to spraying apparatus or its outlets, e.g. for breaking at desired places; Arrangements for handling or replacing damaged parts for preventing non-intended contact between spray heads or nozzles and foreign bodies, e.g. nozzle guards
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
- B05B15/60—Arrangements for mounting, supporting or holding spraying apparatus
- B05B15/68—Arrangements for adjusting the position of spray heads
Abstract
The invention discloses a kind of bridge maintenance spray throwers, including water tank, hoist engine, pipe-in-pipe, holder and spray head, the water tank is fixed on front side of car body upper surface, front is equipped with clarified water pump at car body position where the water tank, middle part is equipped with hoist engine at left and right sides of the water tank, outside is fixed with supporting beam at water tank location where the hoist engine, the motor rear is provided with speed reducer, supporting beam left and right ends lower part is fixed with pipe-in-pipe, the pipe-in-pipe lower inside is arranged with telescopic joint, supporting beam lower part at left and right sides of the water tank is respectively and fixedly provided with hard tube, the lower hard tube bottom is fixed on by fixed frame on transverse tube, it is mounted on spray head on the inside of the upper hard tube and lower hard tube.For the present invention by the way that water tank, hoist engine, pipe-in-pipe, holder and spray head is arranged, up and down adjustment cannot be carried out by solving traditional bridge maintenance spray equipment, cause the problem that spray effect is bad.
Description
Technical field
The present invention relates to bridge maintenance technical field, specially a kind of bridge maintenance spray thrower.
Background technology
Concrete curing of the bridge maintenance spray thrower suitable for high ferro and inter-city passenger rail in-situ beam casting fills beam difference of height
About 6.6-3.3m, width 11m or so, beam body curing time must not be less than 14 days from being completed from Cast-in-situ Beam, and mixed mud is supported
It is primary not less than 0.5-1 hours to protect number, two hours at night primary, and old-fashioned bridge maintenance spray thrower cannot carry out downward
Section, cannot use the bridge with uneven thickness, and use scope is smaller, in spray head when for the smaller bridge bottom surface of sprinkling thickness
Distance from bottom bridge bottom surface causes spray water that cannot be sprayed at bridge bottom surface, maintenance effect is bad apart from excessive.
Invention content
（One）The technical issues of solution
In view of the deficiencies of the prior art, the present invention provides a kind of bridge maintenance spray throwers, solve traditional bridge maintenance spray
Shower device cannot carry out up and down adjustment, cause the problem that spray effect is bad.
（Two）Technical solution
To achieve the above object, the present invention provides the following technical solutions：A kind of bridge maintenance spray thrower, including water tank, hoist engine,
Pipe-in-pipe, holder and spray head, the water tank are fixed on front side of car body upper surface, front at the car body position where the water tank
Clarified water pump is installed, middle part is equipped with hoist engine at left and right sides of the water tank, outside at the water tank location where the hoist engine
It is fixed with supporting beam, rear is provided with motor at the car body position where the water tank, and the motor rear is provided with speed reducer,
The lower car body rear and front end is equipped with travel wheel, and the travel wheel is arranged on the guide rail on bridge ontology, the deceleration
It is provided with supporting rack above machine, and support frame bottom is fixed on car body upper surface rear, and control cabinet is fixed on support frame as described above,
The supporting beam left and right ends are equipped with pulley, and supporting beam left and right ends lower part is fixed with pipe-in-pipe, under the pipe-in-pipe
Portion's inner sleeve is equipped with telescopic joint, is connected with transverse tube between the telescopic joint bottom, steel wire rope is wound on the hoist engine, described
Supporting beam lower part at left and right sides of water tank is respectively and fixedly provided with hard tube, and is fixed by the bracket in pipe-in-pipe on the outside of upper hard tube, institute
It states and is provided with lower hard tube below hard tube, and lower hard tube upper end is connected with upper hard tube lower end by hose, the lower hard tube bottom
It is fixed on transverse tube by fixed frame, spray head, and spray head and upper hard tube is mounted on the inside of the upper hard tube and lower hard tube
It is communicated by hose with lower hard tube.
Preferably, the driving wheel on the runner and speed reducer on the motor is rotatablely connected by belt, the speed reducer
On driven wheel pass through the travel wheel wheel shaft at belt and car body rear and be rotatablely connected.
Preferably, described steel wire rope one end around pulley and sequentially passes through pipe-in-pipe and telescopic joint and telescopic joint bottom phase
Even.
Preferably, the fixed frame top is equipped with wheel, and wheel is in contact with bridge ontology bottom surface.
Preferably, the water inlet on the upper hard tube is connected by hose with the water outlet on clarified water pump, the clarified water pump
On water inlet be connected with water tank by hose.
（Three）Advantageous effect
The present invention provides a kind of bridge maintenance spray throwers, have following advantageous effect：
（1）The present invention supports old-fashioned straight-bar by the way that supporting beam is arranged, and suffered dynamics higher, bending deformation quantity is small, stablizes
Property it is high.
（2）The present invention passes through hoist engine winding or loose winding steel by the way that hoist engine, steel wire rope, pipe-in-pipe and telescopic joint is arranged
Cord pulls or lowers telescopic joint with this, and telescopic joint realizes that the length of total length is variable in pipe sleeve inner telescoping tube, with this, realize
The novel spray height is adjustable.
（3）The present invention is attached by hose, is being used by the upper hard tube of setting and lower hard tube, upper hard tube and lower hard tube
When promotion, lower hard tube and relative to upper hard tube carry out height on movement, with this realize spray height adjust, increase the novel spraying
Drench bridge use scope.
（4）The present invention installs wheel by the way that fixed frame is arranged on the transverse tube of bottom on fixed frame, traveling hour wheel can
It is affixed rolling with bridge bottom, when preventing using adjusting, telescopic joint adjusts excessively high, causes spray head on lower hard tube directly and bridge
Scraping collision occurs for beam bottom portion.
Description of the drawings
Fig. 1 is the overall structure diagram of the present invention；
Fig. 2 is the trolley structure schematic diagram of the present invention；
Fig. 3 is the longitudinal sectional left view of Fig. 2 of the present invention；
Fig. 4 is enlarged drawing at the A of Fig. 1 of the present invention；
Fig. 5 is the pipe-in-pipe sectional drawing in Fig. 4 of the present invention；
Fig. 6 is enlarged drawing at the B of Fig. 1 of the present invention；
Fig. 7 is the work flow diagram of the present invention.
In figure：1 water tank, 2 hoist engines, 3 supporting beams, 4 pipe-in-pipes, 5 bridge ontologies, 6 holders, 7 times hard tubes, 8 transverse tubes, 9 are clearly
It is water pump, 10 control cabinets, 11 supporting racks, 12 speed reducers, 13 travel wheels, 14 car bodies, 15 motors, 16 pulleys, 17 guide rails, hard on 18
Pipe, 19 hoses, 20 steel wire ropes, 21 telescopic joints, 22 spray heads, 23 wheels, 24 fixed frames.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
As shown in figs. 1-7, the present invention provides a kind of technical solution：A kind of bridge maintenance spray thrower, including water tank 1, elevator
Machine 2, pipe-in-pipe 4, holder 6 and spray head 22, water tank 1 are fixed on front side of 14 upper surface of car body, 14 position of car body where water tank 1
Locate front and clarified water pump 9 is installed, provides power for spray, 1 left and right sides middle part of water tank is equipped with hoist engine 2,2 place of hoist engine
1 position of water tank at outside be fixed with supporting beam 3, support the entire spraying mechanism in bottom, at 14 position of car body where water tank 1 after
Side is provided with motor 15, provides driving power for car body 14, and 15 rear of motor is provided with speed reducer 12, the runner on motor 15 with
Driving wheel on speed reducer 12 is rotatablely connected by belt, and 14 lower part rear and front end of car body is equipped with travel wheel 13, speed reducer 12
On driven wheel be rotatablely connected by 13 wheel shaft of travel wheel at belt and 14 rear of car body, travel wheel 13 is arranged in bridge ontology 5
On guide rail 17 on, guide rail 17 may make this it is novel travelled along fixed-direction, prevent sideslip, 12 top setting of speed reducer
There is supporting rack 11, and 11 bottom of supporting rack is fixed on 14 upper surface rear of car body, is fixed with control cabinet 10 on supporting rack 11, passes through
The information of inner setting is equipped with pulley 16 to the novel carry out entirety control, 3 left and right ends of supporting beam, is provided for steel wire rope 20
It turns to and supports, reduce friction, 3 left and right ends lower part of supporting beam is fixed with pipe-in-pipe 4, and 4 lower inside of pipe-in-pipe is arranged with flexible
21 are saved, transverse tube 8 is connected between 21 bottom of telescopic joint, steel wire rope 20 is wound on hoist engine 2,20 one end of steel wire rope bypasses pulley
It 16 and sequentially passes through pipe-in-pipe 4 and telescopic joint 21 and is connected with 21 bottom of telescopic joint, wound by hoist engine 2 or loose winding steel wire rope 20
Telescopic joint 21 is pulled or lowers with this, and telescopic joint 21 stretches in pipe-in-pipe 4, realizes that the length of total length is variable with this, real
Now the novel spray height is adjustable, and 3 lower part of supporting beam of 1 left and right sides of water tank is respectively and fixedly provided with hard tube 18, and upper hard tube 18
Outside is fixed on by holder 6 in pipe-in-pipe 4, and the water inlet on upper hard tube 18 passes through the water outlet on hose 19 and clarified water pump 9
It is connected, the water inlet on clarified water pump 9 is connected by hose 19 with water tank 1, and 18 lower section of upper hard tube is provided with lower hard tube 7, and lower hard
7 upper end of pipe is connected with 18 lower end of upper hard tube by hose 19, lower hard tube 7 and relative to upper hard tube 18 carry out height on movement,
Realize that spray height is adjusted with this, lower 7 bottom of hard tube is fixed on by fixed frame 24 on transverse tube 8, in upper hard tube 18 and lower hard tube 7
Side is mounted on spray head 22, and spray head 22 is communicated by hose 19 with upper hard tube 18 and lower hard tube 7,24 top of fixed frame
Wheel 23 is installed, and wheel 23 is in contact with 5 bottom surface of bridge ontology, when preventing using adjusting, telescopic joint 21 adjusts excessively high, cause
Make the spray head 22 on lower hard tube 7 that scraping collision directly occur with 5 bottom of bridge ontology.
In use, by this it is novel be placed on bridge ontology 5, input preset program, motor 15 drive the novel car body 14
It advances on guide rail 17 on bridge ontology 5, the bridge height information adjustment winding or unclasp steel that hoist engine 2 is inputted according to system
Cord 20 pulls or lowers telescopic joint 21 with this, and telescopic joint 21 stretches in pipe-in-pipe 4, the length of total length is realized with this
It is variable, realize that the novel spray height is adjustable, under the moving up and down on the crossbeam 8 for driving 21 bottom of telescopic joint of telescopic joint 21
Hard tube 7 carries out the movement in height relative to upper hard tube 18, realizes that spray height is adjusted with this, the wheel of 24 top of fixed frame installation
Son 23 is accessible with 5 bottom surface of bridge ontology, and when preventing using adjusting, telescopic joint 21 adjusts excessively high, causes the spray on lower hard tube 7
First 22 directly occur scraping collision with 5 bottom of bridge ontology, and the water in water tank 1 is drawn through spray by the at the same time work of clarified water pump 9
First 22, which are sprayed to 5 surface of bridge ontology, is conserved.
It can to sum up obtain, the present invention solves biography by the way that water tank 1, hoist engine 2, pipe-in-pipe 4, holder 6 and spray head 22 is arranged
The bridge maintenance spray equipment of system cannot carry out up and down adjustment, cause the problem that spray effect is bad.
It should be noted that herein, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also include other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (5)
1. a kind of bridge maintenance spray thrower, including water tank（1）, hoist engine（2）, pipe-in-pipe（4）, holder（6）And spray head（22）,
It is characterized in that：The water tank（1）It is fixed on car body（14）On front side of upper surface, the water tank（1）The car body at place（14）Position
Place front is equipped with clarified water pump（9）, the water tank（1）Hoist engine is installed in the middle part of the left and right sides（2）, the hoist engine（2）Institute
Water tank（1）Outside is fixed with supporting beam at position（3）, the water tank（1）The car body at place（14）Rear is arranged at position
There is motor（15）, the motor（15）Rear is provided with speed reducer（12）, the car body（14）Lower part rear and front end is equipped with row
Into wheel（13）, the travel wheel（13）It is arranged in bridge ontology（5）On guide rail（17）On, the speed reducer（12）Top is arranged
There is supporting rack（11）, and supporting rack（11）Bottom is fixed on car body（14）Upper surface rear, support frame as described above（11）On be fixed with
Control cabinet（10）, the supporting beam（3）Left and right ends are equipped with pulley（16）, the supporting beam（3）Left and right ends lower part is fixed
There is pipe-in-pipe（4）, the pipe-in-pipe（4）Lower inside is arranged with telescopic joint（21）, the telescopic joint（21）It is connected between bottom
There is transverse tube（8）, the hoist engine（2）On be wound with steel wire rope（20）, the water tank（1）The supporting beam of the left and right sides（3）Lower part
It is respectively and fixedly provided with hard tube（18）, and upper hard tube（18）Outside passes through holder（6）It is fixed on pipe-in-pipe（4）On, the upper hard tube
（18）Lower section is provided with lower hard tube（7）, and lower hard tube（7）Upper end and upper hard tube（18）Lower end passes through hose（19）It is connected, it is described
Lower hard tube（7）Bottom passes through fixed frame（24）It is fixed on transverse tube（8）On, the upper hard tube（18）With lower hard tube（7）Pacify inside
Equipped with spray head（22）, and spray head（22）With upper hard tube（18）With lower hard tube（7）Pass through hose（19）It communicates.
2. a kind of bridge maintenance spray thrower according to claim 1, it is characterised in that：The motor（15）On runner with
Speed reducer（12）On driving wheel be rotatablely connected by belt, the speed reducer（12）On driven wheel pass through belt and car body
（14）The travel wheel at rear（13）Wheel shaft is rotatablely connected.
3. a kind of bridge maintenance spray thrower according to claim 1, it is characterised in that：The steel wire rope（20）One end bypasses
Pulley（16）And sequentially pass through pipe-in-pipe（4）And telescopic joint（21）With telescopic joint（21）Bottom is connected.
4. a kind of bridge maintenance spray thrower according to claim 1, it is characterised in that：The fixed frame（24）It installs on top
There is wheel（23）, and wheel（23）With bridge ontology（5）Bottom surface is in contact.
5. a kind of bridge maintenance spray thrower according to claim 1, it is characterised in that：The upper hard tube（18）On water inlet
Mouth passes through hose（19）With clarified water pump（9）On water outlet be connected, the clarified water pump（9）On water inlet pass through hose（19）With
Water tank（1）It is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711448727.6A CN108393207A (en) | 2017-12-27 | 2017-12-27 | A kind of bridge maintenance spray thrower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711448727.6A CN108393207A (en) | 2017-12-27 | 2017-12-27 | A kind of bridge maintenance spray thrower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108393207A true CN108393207A (en) | 2018-08-14 |
Family
ID=63093707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711448727.6A Pending CN108393207A (en) | 2017-12-27 | 2017-12-27 | A kind of bridge maintenance spray thrower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108393207A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110952458A (en) * | 2019-12-14 | 2020-04-03 | 中冶天工集团有限公司 | Cast-in-place bridge body spray maintenance device and use method |
| CN111958796A (en) * | 2020-08-11 | 2020-11-20 | 新昌县城南乡王氏机械配件厂 | Prefabricated part maintenance device adaptive to temperature change and used for road and bridge construction |
| CN113976361A (en) * | 2021-11-24 | 2022-01-28 | 中建八局西南建设工程有限公司 | Large-section box-type stand column spraying device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201276324Y (en) * | 2008-10-13 | 2009-07-22 | 山东山矿机械有限公司 | Hoisting type telescopic blanking tube |
| CN102518039A (en) * | 2011-11-17 | 2012-06-27 | 中铁十五局集团有限公司 | Automatic paint spraying machine for bridge guardrail |
| CN204974263U (en) * | 2015-08-28 | 2016-01-20 | 神华集团有限责任公司 | Coal yard landing stage formula spray set |
| CN205348186U (en) * | 2015-12-22 | 2016-06-29 | 中建六局第三建筑工程有限公司 | Flexible pipe of adjustable length |
| CN205950984U (en) * | 2016-07-19 | 2017-02-15 | 中铁五局集团第一工程有限责任公司 | Overhead type precast concrete roof beam is cared car |
| CN206793992U (en) * | 2017-04-11 | 2017-12-26 | 中铁北京工程局集团有限公司 | A kind of prefabricated case beam sprinkler |
| CN207756320U (en) * | 2017-12-27 | 2018-08-24 | 河南省亚欧起重设备有限公司 | A kind of bridge maintenance spray thrower |
-
2017
- 2017-12-27 CN CN201711448727.6A patent/CN108393207A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201276324Y (en) * | 2008-10-13 | 2009-07-22 | 山东山矿机械有限公司 | Hoisting type telescopic blanking tube |
| CN102518039A (en) * | 2011-11-17 | 2012-06-27 | 中铁十五局集团有限公司 | Automatic paint spraying machine for bridge guardrail |
| CN204974263U (en) * | 2015-08-28 | 2016-01-20 | 神华集团有限责任公司 | Coal yard landing stage formula spray set |
| CN205348186U (en) * | 2015-12-22 | 2016-06-29 | 中建六局第三建筑工程有限公司 | Flexible pipe of adjustable length |
| CN205950984U (en) * | 2016-07-19 | 2017-02-15 | 中铁五局集团第一工程有限责任公司 | Overhead type precast concrete roof beam is cared car |
| CN206793992U (en) * | 2017-04-11 | 2017-12-26 | 中铁北京工程局集团有限公司 | A kind of prefabricated case beam sprinkler |
| CN207756320U (en) * | 2017-12-27 | 2018-08-24 | 河南省亚欧起重设备有限公司 | A kind of bridge maintenance spray thrower |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110952458A (en) * | 2019-12-14 | 2020-04-03 | 中冶天工集团有限公司 | Cast-in-place bridge body spray maintenance device and use method |
| CN110952458B (en) * | 2019-12-14 | 2021-09-17 | 中冶天工集团有限公司 | Cast-in-place bridge body spray maintenance device and use method |
| CN111958796A (en) * | 2020-08-11 | 2020-11-20 | 新昌县城南乡王氏机械配件厂 | Prefabricated part maintenance device adaptive to temperature change and used for road and bridge construction |
| CN111958796B (en) * | 2020-08-11 | 2021-09-28 | 北京励鸿诺科技有限公司 | Prefabricated part maintenance device adaptive to temperature change and used for road and bridge construction |
| CN113976361A (en) * | 2021-11-24 | 2022-01-28 | 中建八局西南建设工程有限公司 | Large-section box-type stand column spraying device |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180814 |