CN114277625A - Height self-adaptive spray head device for repairing steel rail by water jet and attitude adjustment calculation method - Google Patents

Height self-adaptive spray head device for repairing steel rail by water jet and attitude adjustment calculation method Download PDF

Info

Publication number
CN114277625A
CN114277625A CN202111598185.7A CN202111598185A CN114277625A CN 114277625 A CN114277625 A CN 114277625A CN 202111598185 A CN202111598185 A CN 202111598185A CN 114277625 A CN114277625 A CN 114277625A
Authority
CN
China
Prior art keywords
spray head
steel rail
adjusting motor
assembly
nozzle
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
Application number
CN202111598185.7A
Other languages
Chinese (zh)
Inventor
李登
熊杰
孙硕
巫世晶
张琨
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenyang All Powerful Science And Technology Corp
Wuhan University WHU
China Railway Siyuan Survey and Design Group Co Ltd
Original Assignee
Shenyang All Powerful Science And Technology Corp
Wuhan University WHU
China Railway Siyuan Survey and Design Group Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shenyang All Powerful Science And Technology Corp, Wuhan University WHU, China Railway Siyuan Survey and Design Group Co Ltd filed Critical Shenyang All Powerful Science And Technology Corp
Priority to CN202111598185.7A priority Critical patent/CN114277625A/en
Publication of CN114277625A publication Critical patent/CN114277625A/en
Pending legal-status Critical Current

Links

Images

Landscapes

  • Bridges Or Land Bridges (AREA)

Abstract

The invention discloses a height self-adaptive spray head device for repairing a steel rail by water jet, which comprises a supporting and buffering assembly, a spray head mounting assembly, an adjustable spray head assembly and a control device, wherein the spray head mounting assembly is arranged on the supporting and buffering assembly; the number of the supporting and buffering assemblies is not less than 4, and the supporting and buffering assemblies are fixedly and uniformly arranged on two sides of the lower end of the spray head mounting assembly; the adjustable spray head assemblies are arranged on two sides of the spray head mounting assembly, each adjustable spray head assembly comprises a spray head lifting plate and a lifting driving device, a mounting plate adjusting motor is fixedly arranged at the lower end of each spray head lifting plate, a spray head mounting plate is fixedly arranged at the rotating output end of each mounting plate adjusting motor, a spray head adjusting motor is arranged at the lower end of each spray head mounting plate, and a spray head is fixedly arranged at the rotating output end of each spray head adjusting motor; when the shape and the height of the steel rail are changed, the mechanical structure of rigid connection enables the spray head to follow the change, a stable and uniform polishing surface is formed, and the stability and the practicability of the high-pressure water jet steel rail polishing technology are improved.

Description

Height self-adaptive spray head device for repairing steel rail by water jet and attitude adjustment calculation method
Technical Field
The invention relates to a nozzle height self-adaptive device, in particular to a height self-adaptive nozzle device for repairing a steel rail by water jet and a posture control and adjustment method.
Background
With the continuous development of rail traffic such as high-speed rail and subway, rail maintenance becomes a worldwide problem under high-speed and high-density traveling, and the rail maintenance service becomes a pain point in the rail maintenance industry due to short damage cycle, short service life and high operation and maintenance cost. The existing track repairing technology mainly adopts grinding wheel polishing, but the grinding wheel polishing can cause the surface of the steel rail to be heated and modified, and the polishing efficiency is low and the operation environment is poor. The steel rail repairing is carried out by adopting the high-pressure water jet steel rail polishing technology which has high processing efficiency, no pollution and no thermal influence on processing, so that the problems are solved.
The high-pressure water jet machining process is non-contact, and the distance between shower nozzle and steel rail can produce very obvious influence to the effect of polishing, and some high-pressure water jet shower nozzles designs for unsettled form among the prior art, outside being independent of the rail, when there is the height unevenness in the rail surface, are difficult to accurate and in time adjust shower nozzle and steel rail distance and gesture, influence the quality of polishing.
In order to keep the consistency and uniformity of the surface of the polished steel rail, the design of the real-time spray head height adjusting system capable of adaptively positioning the change of the steel rail is of great significance to the realization and application of the high-pressure water jet steel rail polishing technology.
Disclosure of the invention
The invention aims to solve the problem that in the prior art, when the surface of a steel rail is uneven, the distance and the posture between a spray head and the steel rail are difficult to accurately and timely adjust by a high-pressure water jet spray head, so that the grinding quality is influenced.
In order to solve the problems, the invention provides a height self-adaptive spray head device for repairing a steel rail by water jet, which comprises a supporting buffer assembly, a spray head mounting assembly, an adjustable spray head assembly and a control device, wherein the supporting buffer assembly is arranged on the support buffer assembly;
the number of the supporting buffer assemblies is not less than 4, the supporting buffer assemblies are fixedly and uniformly arranged on two sides of the lower end of the spray head mounting assembly, the number of the supporting buffer assemblies on each side is the same, each supporting buffer assembly comprises a roller assembly, a supporting leg frame and a lateral positioning wheel assembly, the supporting leg frame comprises a buffer device and a roller frame arranged at the lower end of the buffer device, and the roller assemblies are arranged in the supporting leg frame and can roll on the upper end face of a steel rail; the buffer device can keep the position of the system stable and does not generate large fluctuation when encountering local bulges or depressions of the steel rail;
the adjustable spray head assemblies are arranged on two sides of the spray head mounting assembly, the number of the adjustable spray head assemblies on each side is not less than 1, each adjustable spray head assembly comprises a spray head lifting plate, a lifting driving device for driving the spray head lifting plate to lift, and a mounting plate adjusting motor is fixedly arranged at the lower end of the spray head lifting plate, a spray head mounting plate is fixedly arranged at the rotating output end of the mounting plate adjusting motor, a spray head adjusting motor is arranged at the lower end of the spray head mounting plate, and a spray head is fixedly arranged at the rotating output end of the spray head adjusting motor;
the control device is connected with the spray head adjusting motor, the mounting plate adjusting motor and the lifting driving device in a wired or wireless mode and controls the actions of the spray head adjusting motor, the mounting plate adjusting motor and the lifting driving device.
Furthermore, the lateral side of the supporting leg frame is also provided with a lateral positioning wheel assembly, the lateral positioning wheel assembly comprises a lateral positioning wheel rod and a lateral positioning wheel, and the lateral positioning wheel is sleeved at the lower end of the lateral positioning wheel rod and can roll along the side edge of the steel rail.
Further, the buffer device is a buffer cylinder or a buffer spring.
Further, the shower nozzle installation component is a hollowed-out plate frame erected on the buffering device, the lifting driving device is arranged on two sides of each hollowed-out part of the plate frame, and the shower nozzle lifting plate penetrates through the hollowed-out plate frame and then is connected with the shower nozzle installation plate.
Furthermore, the roller assembly comprises two wheels, a rotating shaft and two bearings, and a positioning shaft shoulder is arranged in the middle of the shaft.
Further, the lifting driving device is a linear motor with a shaft rod embedded therein.
Furthermore, the nozzle adjusting motor is fixedly connected with the nozzle through the nozzle clamping frame.
Furthermore, the nozzle clamping frame is a hollow cylindrical body with a notch, a self-locking screw is arranged at the notch, and the opening of the notch can be controlled through the self-locking screw, so that the nozzle can be clamped and locked.
Overall, the above design concept of the invention allows the following advantages to be achieved compared to existing systems:
(1) according to the height self-adaptive nozzle device for repairing the steel rail by the water jet, disclosed by the invention, the self-positioning of the wheel set and the lateral positioning wheel in the mechanical steel rail self-adaptive assembly is carried out on the steel rail, when the shape and the height of the steel rail change, the nozzle can change along with the rigid connection of the mechanical structure, the distance between the nozzle and the steel rail is ensured to be unchanged or slightly changed, a stable and uniform polishing surface can be formed, and the stability and the practicability of a high-pressure water jet steel rail polishing technology are improved.
(2) According to the height self-adaptive nozzle device for repairing the steel rail by the water jet, the nozzle position and the angle meeting the polishing requirement can be output by matching the nozzle adjusting motor and the linear motor, and the copying polishing of the track is realized by combining a plurality of nozzles;
(3) according to the height self-adaptive nozzle device for repairing the steel rail by the water jet, disclosed by the invention, the buffer expansion bracket is arranged on the wheel set mounting bracket, so that when the local protrusion or the local depression of the steel rail is faced, the steel rail self-adaptive assembly does not generate large position fluctuation, and the stability of a system is improved.
Drawings
FIG. 1 is a schematic overall structure of a preferred embodiment of the present invention;
FIG. 2 is a schematic side view of the structure of FIG. 1;
FIG. 3 is an exploded view of the wheelset configuration of the preferred embodiment of the present invention;
FIG. 4 is a schematic view of a support leg structure according to a preferred embodiment of the present invention;
FIG. 5 is a schematic view of a showerhead holder according to a preferred embodiment of the present invention;
FIG. 6 is a schematic view of the initial position and attitude adjustment control of the showerhead in accordance with the preferred embodiment of the present invention;
the reference numerals in the drawings denote: the device comprises a steel rail 1, a roller assembly 2, wheels 21, a rotating shaft 22, a bearing 23, a nozzle adjusting motor 3, a supporting leg frame 4, a hollowed plate frame 41, a nozzle mounting assembly 5, a positioning wheel assembly 6, a lateral positioning wheel rod 61, a lateral positioning wheel 62, a nozzle 7, a nozzle mounting plate 8, a mounting plate adjusting motor 9, a lifting driving device 10, a nozzle lifting plate 11, a nozzle clamping frame 12, a self-locking screw 121 and a control device 13.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Referring to fig. 1 to 3, a height adaptive nozzle device for repairing a steel rail by water jet includes a supporting buffer assembly, a nozzle mounting assembly, an adjustable nozzle assembly, and a control device;
the number of the supporting buffer assemblies is not less than 4, the supporting buffer assemblies are fixedly and uniformly arranged on two sides of the lower end of the spray head mounting assembly, the number of the supporting buffer assemblies on each side is the same, each supporting buffer assembly comprises a roller assembly 2, a supporting leg frame 4 and a lateral positioning wheel assembly 6, and each supporting leg frame 4 comprises a buffer device 41 and a roller frame 42 arranged at the lower end of the buffer device; the roller frame 42 is of an inverted U-shaped structure, the lower end of the roller frame is provided with a shaft hole, the roller assembly 2 comprises two wheels 21, a rotating shaft 22 and two bearings 23, and a positioning shaft shoulder is arranged in the middle of the shaft; the roller component 2 is arranged in the supporting leg frame 4 and can roll on the upper end surface of the steel rail; the buffer device 41 preferably adopts a buffer cylinder or a buffer spring, and can keep the position of the system stable and does not generate large fluctuation when encountering local protrusion or depression of the steel rail;
the adjustable spray head assemblies are arranged on two sides of the spray head mounting assembly, the number of the adjustable spray head assemblies on each side is not less than 1, each adjustable spray head assembly comprises a spray head lifting plate 11 and a lifting driving device 10 (for example, a linear motor capable of being embedded with a shaft rod) for driving the spray head lifting plate to lift, a mounting plate adjusting motor 9 is fixedly arranged at the lower end of the spray head lifting plate 11, a spray head mounting plate 8 is fixedly arranged at the rotary output end of the mounting plate adjusting motor 9, a spray head adjusting motor 3 is arranged at the lower end of the spray head mounting plate 8, and a spray head 7 is fixedly arranged at the rotary output end of the spray head adjusting motor 3;
referring to fig. 4, the lateral positioning wheel assembly 6 is further disposed on the outer side of the supporting leg 4, the lateral positioning wheel assembly 6 includes a lateral positioning wheel rod 61 and a lateral positioning wheel 62, and the lateral positioning wheel 62 is sleeved on the lower end of the lateral positioning wheel rod 61 and can roll along the side of the steel rail.
The shower nozzle installation component is a hollow plate frame erected on the buffer device 41, the lifting driving device 10 is arranged at each hollow part of the plate frame, and the shower nozzle lifting plate 11 penetrates through the hollow plate frame and then is connected with the shower nozzle installation plate 8. The control device is arranged on the spray head mounting assembly, and is connected with the spray head adjusting motor 3, the mounting plate adjusting motor 9 and the lifting driving device 10 in a wired (the hollow plate frame can be designed into a hollow structure, and the inside can be wired) or wireless mode, and controls the actions of the spray head adjusting motor 3, the mounting plate adjusting motor 9 and the lifting driving device 10.
Referring to fig. 5, the nozzle adjusting motor 3 is preferably fixedly connected (in a clamping manner) to the nozzle through a nozzle clamping frame 12. The specific nozzle holding frame 12 is a hollow cylindrical body with a notch, the notch is provided with a self-locking screw 121, and the opening of the notch can be controlled by the self-locking screw 121, so that the nozzle can be held and locked.
Please refer to fig. 6, which is based on the above heightThe invention also provides a posture control adjustment calculation method, which is suitable for a sprayer device and simplifies the relative relation of the sprayer adjustment components, takes the middle of the upper top of the steel rail as the origin of coordinates and takes the point B as an installation plate to adjust the coordinates of the rotating output shaft of the motor 9 to be (0, y)b) The point A is a current grinding point, coordinates are (a, b), the target distance S, the length l of the spray head and the angle theta of the spray head are known, and the rotation amount of the spray head adjusting motor I, II and the movement amount of the spray head lifting plate controlled by the linear motor are solved through known data, so that the spray head is adjusted to a required position and posture, and the steel rail grinding work can be conveniently carried out;
let the coordinate of the rotation center Q of the nozzle be (x)q,yq) The P coordinate of the tail end of the nozzle lifting plate is (0, y)p) Consists of:
Figure DEST_PATH_FDA0003432163560000031
after the coordinate of the point Q is solved, the coordinate of the point P and the rotation angle of a spray head adjusting motor II are solved by the following formula;
Figure BDA0003432163570000062
wherein L is the linear distance between the rotating output shaft of the mounting plate adjusting motor (9) and the rotating output shaft of the spray head adjusting motor (3), alpha is the included angle between the spray head mounting plate (8) and the spray head lifting plate, and the rotating angle alpha of the spray head adjusting motor II is subtracted from the spray head angle theta to obtain the rotating angle of the spray head adjusting motor I; all the spray heads are adjusted to the required initial positions by the above method.
It will be understood by those skilled in the art that the foregoing is only a preferred embodiment of the present invention, and is not intended to limit the invention, and that any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims (9)

1. A height self-adaptive spray head device for repairing a steel rail by water jet is characterized by comprising a supporting buffer assembly, a spray head mounting assembly, an adjustable spray head assembly and a control device;
the number of the supporting buffer assemblies is not less than 4, the supporting buffer assemblies are fixedly and uniformly arranged on two sides of the lower end of the spray head mounting assembly (5), the number of the supporting buffer assemblies on each side is the same, each supporting buffer assembly comprises a roller assembly (2), a supporting leg frame (4) and a lateral positioning wheel assembly (6), the supporting leg frame (4) comprises a buffer device (41) and a roller frame (42) arranged at the lower end of the buffer device, and the roller assemblies (2) are arranged in the supporting leg frame (4) and can roll on the upper end face of a steel rail; the buffer device (41) can keep the position of the system stable and does not generate large fluctuation when encountering local protrusion or depression of the steel rail;
the adjustable spray head assemblies are arranged on two sides of the spray head mounting assembly (5), the number of the adjustable spray head assemblies on each side is not less than 1, each adjustable spray head assembly comprises a spray head lifting plate (11) and a lifting driving device (10) for driving the spray head lifting plate to lift, a mounting plate adjusting motor (9) is fixedly arranged at the lower end of the spray head lifting plate (11), a spray head mounting plate (8) is fixedly arranged at the rotating output end of the mounting plate adjusting motor (9), a spray head adjusting motor (3) is arranged at the lower end of the spray head mounting plate (8), and a spray head (7) is fixedly arranged at the rotating output end of the spray head adjusting motor (3);
the control device is connected with the spray head adjusting motor (3), the mounting plate adjusting motor (9) and the lifting driving device (10) in a wired or wireless mode and controls the actions of the spray head adjusting motor, the mounting plate adjusting motor and the lifting driving device.
2. The height self-adaptive spray head device for repairing the steel rail by the water jet according to claim 1 is characterized in that a lateral positioning wheel assembly (6) is further arranged on the outer side edge of the supporting leg (4), the lateral positioning wheel assembly (6) comprises a lateral positioning wheel rod (61) and a lateral positioning wheel (62), and the lateral positioning wheel (62) is sleeved at the lower end of the lateral positioning wheel rod (61) and can roll along the side edge of the steel rail.
3. The height self-adaptive spray head device for repairing the steel rail by the water jet according to claim 1 is characterized in that the buffer device (41) is a buffer cylinder or a buffer spring.
4. The height self-adaptive spray head device for repairing the steel rail by the aid of the water jets according to claim 1 is characterized in that the spray head mounting assembly (5) is a hollowed-out plate frame erected on the buffering device (41), the lifting driving devices (10) are arranged on two sides of each hollowed-out part of the plate frame, and the spray head lifting plates (11) penetrate through the hollowed-out plate frame and then are connected with the spray head mounting plates (8).
5. The height self-adaptive nozzle device for repairing the steel rail by the water jet according to claim 1 or 2 is characterized in that the roller assembly (2) comprises two wheels (21), a rotating shaft (22) and two bearings (23), and a positioning shaft shoulder is arranged in the middle of the shaft.
6. The height self-adaptive spray head device for repairing the steel rail by the water jet according to claim 1 is characterized in that the lifting driving device (10) is a linear motor in which a shaft rod can be embedded.
7. The height self-adaptive nozzle device for repairing the steel rail by the water jet according to any one of claims 1 to 6, wherein the nozzle adjusting motor (3) is fixedly connected with the nozzle through a nozzle clamping frame (12).
8. The height self-adaptive nozzle device for repairing the steel rail by the aid of the water jet according to claim 7 is characterized in that the nozzle clamping frame (12) is a hollow cylindrical body with a notch, a self-locking screw (121) is arranged at the notch, and the opening of the notch can be controlled by the self-locking screw (121), so that clamping and locking of the nozzle are achieved.
9. A height self-adaptive spray head attitude control adjustment calculation method for repairing a steel rail by water jet is characterized in that the relative relation of spray head adjustment components is simplified, the middle of the upper top of the steel rail is taken as a coordinate origin, a point B is taken as an installation plate, and the coordinate of a rotating output shaft of a motor (9) is adjusted to be (0, y)b) Point A is the current polishing point, the coordinates are (a, b), the target distance S, the length l of the nozzle and the angle of the nozzle are knownTheta, solving the rotation amount of the spray head adjusting motor I, II and the movement amount of the linear motor for controlling the spray head lifting plate through known data so that the spray head is adjusted to a required position and posture, and the steel rail grinding work is conveniently carried out;
let the coordinate of the rotation center Q of the nozzle be (x)q,yq) The P coordinate of the tail end of the nozzle lifting plate is (0, y)p) Consists of:
Figure FDA0003432163560000031
after the coordinate of the point Q is solved, the coordinate of the point P and the rotation angle of a spray head adjusting motor II are solved by the following formula;
Figure FDA0003432163560000032
wherein L is the linear distance between the rotating output shaft of the mounting plate adjusting motor (9) and the rotating output shaft of the spray head adjusting motor (3), alpha is the included angle between the spray head mounting plate (8) and the spray head lifting plate, and the rotating angle alpha of the spray head adjusting motor II is subtracted from the spray head angle theta to obtain the rotating angle of the spray head adjusting motor I; all the spray heads are adjusted to the required initial positions by the above method.
CN202111598185.7A 2021-12-24 2021-12-24 Height self-adaptive spray head device for repairing steel rail by water jet and attitude adjustment calculation method Pending CN114277625A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111598185.7A CN114277625A (en) 2021-12-24 2021-12-24 Height self-adaptive spray head device for repairing steel rail by water jet and attitude adjustment calculation method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111598185.7A CN114277625A (en) 2021-12-24 2021-12-24 Height self-adaptive spray head device for repairing steel rail by water jet and attitude adjustment calculation method

Publications (1)

Publication Number Publication Date
CN114277625A true CN114277625A (en) 2022-04-05

Family

ID=80874905

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111598185.7A Pending CN114277625A (en) 2021-12-24 2021-12-24 Height self-adaptive spray head device for repairing steel rail by water jet and attitude adjustment calculation method

Country Status (1)

Country Link
CN (1) CN114277625A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114541195A (en) * 2022-04-25 2022-05-27 中铁第四勘察设计院集团有限公司 Abrasive water jet polishing system and method based on multi-axis drive control
CN114717889A (en) * 2022-04-22 2022-07-08 中铁第四勘察设计院集团有限公司 High-pressure water jet steel rail polishing system and polishing efficiency optimization control method thereof
CN114753196A (en) * 2022-04-12 2022-07-15 中铁第四勘察设计院集团有限公司 High and cold area water jet polishing system and method based on temperature control
CN114875729A (en) * 2022-04-08 2022-08-09 中铁第四勘察设计院集团有限公司 Self-adaptive waste recovery system and method for water jet steel rail grinding wagon

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0670859U (en) * 1993-03-12 1994-10-04 財団法人鉄道総合技術研究所 Cleaning of slab raceway surface with water jet and paint stripping device
JPH09173923A (en) * 1995-12-26 1997-07-08 Mitsubishi Heavy Ind Ltd Continuous coating device for rail surface
CN104480811A (en) * 2014-12-21 2015-04-01 苏州路云机电设备有限公司 Stably running hydraulic tamping machine
CN106120492A (en) * 2016-06-28 2016-11-16 徐香庭 A kind of track intelligence based on parallel institution cleans gripper
CN106284183A (en) * 2015-05-15 2017-01-04 天津东方奇运汽车车身制造有限公司 A kind of cleaning Vehicle high pressure nozzle adjusting means
CN109513547A (en) * 2018-11-27 2019-03-26 滁州市朝友精密制造有限公司 A kind of full-automatic spraying assembly line
CN112739499A (en) * 2018-09-17 2021-04-30 海别得公司 Mobile water jet track maintenance system

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0670859U (en) * 1993-03-12 1994-10-04 財団法人鉄道総合技術研究所 Cleaning of slab raceway surface with water jet and paint stripping device
JPH09173923A (en) * 1995-12-26 1997-07-08 Mitsubishi Heavy Ind Ltd Continuous coating device for rail surface
CN104480811A (en) * 2014-12-21 2015-04-01 苏州路云机电设备有限公司 Stably running hydraulic tamping machine
CN106284183A (en) * 2015-05-15 2017-01-04 天津东方奇运汽车车身制造有限公司 A kind of cleaning Vehicle high pressure nozzle adjusting means
CN106120492A (en) * 2016-06-28 2016-11-16 徐香庭 A kind of track intelligence based on parallel institution cleans gripper
CN112739499A (en) * 2018-09-17 2021-04-30 海别得公司 Mobile water jet track maintenance system
CN109513547A (en) * 2018-11-27 2019-03-26 滁州市朝友精密制造有限公司 A kind of full-automatic spraying assembly line

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
刘龙江: "《机电一体化技术 第3版》", 31 August 2019, 北京:北京理工大学出版社 *
杨武成: "《特种与精密加工》", 31 August 2018, 西安:西安电子科技大学出版社 *

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114875729A (en) * 2022-04-08 2022-08-09 中铁第四勘察设计院集团有限公司 Self-adaptive waste recovery system and method for water jet steel rail grinding wagon
CN114875729B (en) * 2022-04-08 2024-02-02 中铁第四勘察设计院集团有限公司 Self-adaptive waste recycling system and method for water jet steel rail grinding wagon
CN114753196A (en) * 2022-04-12 2022-07-15 中铁第四勘察设计院集团有限公司 High and cold area water jet polishing system and method based on temperature control
CN114717889A (en) * 2022-04-22 2022-07-08 中铁第四勘察设计院集团有限公司 High-pressure water jet steel rail polishing system and polishing efficiency optimization control method thereof
CN114717889B (en) * 2022-04-22 2024-02-23 中铁第四勘察设计院集团有限公司 High-pressure water jet steel rail polishing system and polishing efficiency optimization control method thereof
CN114541195A (en) * 2022-04-25 2022-05-27 中铁第四勘察设计院集团有限公司 Abrasive water jet polishing system and method based on multi-axis drive control
WO2023207007A1 (en) * 2022-04-25 2023-11-02 中铁第四勘察设计院集团有限公司 Abrasive water jet grinding system and method based on multi-axis drive control

Similar Documents

Publication Publication Date Title
CN114277625A (en) Height self-adaptive spray head device for repairing steel rail by water jet and attitude adjustment calculation method
CN109759587B (en) Additive manufacturing method for processing metal suspension structural part without auxiliary support
CN206642923U (en) A kind of more shower nozzle automatic numerical control flush coaters
KR20120070518A (en) Groove processsing tool and groove processing device for thin-film solar cell
CN109252160B (en) Metal round bar surface laser cladding method and device
CN101767314A (en) Grinding wheel dressing method used for grinding processing of raceway of outer ring of bearing
CN207842369U (en) A kind of jet printer and its adjustment ejecting device
CN110756409A (en) Spraying method of thermal barrier coating and tool for spraying
CN109015546B (en) Air-floatation four-dimensional adjusting table
WO2022185467A1 (en) Coating apparatus and coating method
CN203331591U (en) Jet-head installation adjustment mechanism for ink-jet printer
CN211684179U (en) Nozzle fine-tuning mechanism based on ink-jet printer
CN110801964B (en) Automatic spraying equipment for marking line of yaw brake pad
CN204224688U (en) A kind of combination unit for the comprehensive spraying of workpiece in detonation flame spraying technique
CN107415473B (en) Rotary drum type lens digital jet printing device
CN211275145U (en) Tool for spraying thermal barrier coating
CN102814562A (en) Electrochemical machining apparatus of dispersed suspended cathode
CN213349379U (en) Paint spraying tool
TW202327808A (en) A polishing pad conditioner
CN101556435A (en) Method for manufacturing mask blank and photomask
US6190455B1 (en) Finely-divided powder spray apparatus
CN111922516B (en) Multi-dimensional laser etching equipment
CN214295110U (en) Spray head fine adjustment device and jet printing machine
CN212446788U (en) Three-dimensional nozzle angle adjusting mechanism
JP6775127B2 (en) Conveying stage and an inkjet device using it

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20220405