CN204077481U - Large-size horizontal grinding machine tool car - Google Patents
Large-size horizontal grinding machine tool car Download PDFInfo
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- CN204077481U CN204077481U CN201420519908.9U CN201420519908U CN204077481U CN 204077481 U CN204077481 U CN 204077481U CN 201420519908 U CN201420519908 U CN 201420519908U CN 204077481 U CN204077481 U CN 204077481U
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- grinding machine
- hydraulic actuating
- hydraulic
- vertical beam
- actuating cylinder
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Abstract
Large-size horizontal grinding machine tool car, comprise the left longeron and right vertical beam that be arranged in parallel along the longitudinal direction, connected by crossbeam between left longeron and right vertical beam rear end, hydraulic power station and riding manipulation platform is provided with on rear side of crossbeam, support is provided with on front side of crossbeam, the support left and right sides is respectively equipped with a wheel flutter, left longeron and right vertical beam front end are respectively equipped with a drive wheel, the center of each drive wheel is connected with a walk motor with hydraulic pressure respectively, and left longeron and right vertical beam front portion are provided with the hydraulic lifting detachment system for transporting grinding machine feeding chamber.The utility model not only arbitrarily can transport the feeding chamber of large-sized grinder, can also according to the situation of actual field, freely turn to, walk, adjust the position of feeding chamber making feeding chamber depart from like a cork, insert the inlet point of grinding machine flange is disassembled, safe and reliable, improve work efficiency and reduce labour intensity.
Description
Technical field
The utility model belongs to large-sized grinder maintenance specialized equipment technical field, particularly relates to a kind of large-size horizontal grinding machine tool car.
Background technology
The mode that traditional large-sized grinder mainly adopts hand fit to drive a vehicle when overhauling, some enterprise cannot use driving due to the restriction in workshop, pure artificial mode can only be adopted to remove flange and the feeding chamber of mill feeding mouth, due to wet mill inlet point and feed bin Long contact time, grinding machine feeding chamber is made often to be difficult to depart from inlet point, remove grinding machine feeding chamber often to waste time and energy, if pure manually-operated words, more increase the difficulty of construction.Extend the time of large-sized grinder maintenance to a great extent, also reduce the safety of construction simultaneously.
Utility model content
The utility model, in order to solve weak point of the prior art, provides the large-size horizontal grinding machine tool car that a kind of degree of automation is high, time saving and energy saving, safe and reliable, be specifically designed to dismounting mill feeding mouth place's flange and feeding chamber.
For solving the problems of the technologies described above, the utility model adopts following technical scheme: large-size horizontal grinding machine tool car, comprise the left longeron and right vertical beam that be arranged in parallel along the longitudinal direction, connected by a crossbeam between left longeron and right vertical beam rear end, hydraulic power station and riding manipulation platform is provided with on rear side of crossbeam, support is provided with on front side of crossbeam, the support left and right sides is respectively equipped with a wheel flutter, the hydrostatic steering system that control two wheel flutters turn to simultaneously is provided with in support, left longeron and right vertical beam front end are respectively equipped with a drive wheel, the center of each drive wheel is connected with a walk motor with hydraulic pressure respectively, left longeron and right vertical beam front portion are provided with the hydraulic lifting detachment system for transporting grinding machine feeding chamber, hydraulic power station by control cock group and high pressure fuel pipe respectively with hydrostatic steering system, walk motor with hydraulic pressure is connected with hydraulic lifting detachment system.
Described hydraulic lifting detachment system comprise vertically be located at two left jacking hydraulic actuating cylinders on the right side of left longeron, be vertically located at two right jacking hydraulic actuating cylinders on the left of right vertical beam, level is located at left disengaging hydraulic actuating cylinder under left longeron and level is located at right disengaging hydraulic actuating cylinder under right vertical beam, two left jacking hydraulic actuating cylinders and two right jacking hydraulic actuating cylinder upper ends are provided with the right jacking hydraulic actuating cylinder upper end of the left jacking hydraulic actuating cylinder of grinding machine feeding chamber frame or one, front side and one, front side and are provided with flange disassembly mechanism.
Described flange disassembly mechanism comprises framework, framework is vertically provided with column, column is provided with flange dismounting arm, flange dismounting arm is horizontally disposed with, flange dismounting arm rear end is fixedly connected with column upper end, flange dismounting arm front end upper surface is provided with draw-in groove, and framework leading flank is provided with the pin-and-hole coordinated by fastening screw grafting with the right jacking hydraulic actuating cylinder upper end of the left jacking hydraulic actuating cylinder in one, front side and one, front side respectively.
Described hydrostatic steering system is made up of a hydraulic steering cylinder and a set of mechanical linkage, and wheel flutter is provided with rotation direction sensor.
Described walk motor with hydraulic pressure is by wheel side speed reducer and drive wheel connection for transmission, and walk motor with hydraulic pressure is provided with tachogen.
The piston rod of described two left jacking hydraulic actuating cylinders and two right jacking hydraulic actuating cylinders is respectively equipped with a Stroke Displacement Transducer.
The leading section of described left longeron and right vertical beam is all provided with a radar ranging and registration device.
Be equipped with a crashproof rack outside described each drive wheel, crashproof rack is provided with radar collision device.
Described hydraulic power station is located in the middle part of crossbeam, and riding manipulation platform is located on the left of hydraulic power station or right side.
Be provided with pole on rear side of described riding manipulation platform, pole is provided with acoustic-optic alarm.
Adopt technique scheme, the utility model electric control system realizes the communication of system by CAN, adopts full hydraulic drive, and full electric signal controls the realization of the everything of vehicle.In use, chaufeur can control the realization of the everything of vehicle to the utility model by the operation push-button on operator platform or Digiplex.Vehicle to run can be realized by rotating open loop, turning to, with feeding chamber work, the conversion of dismantling several mode of operations such as flange.All parameters of vehicle are observed by the telltale on riding manipulation platform.
Walking function realize: walking function provides power mainly through hydraulic power station, by control cock group hydraulic control running motor bidirectional rotary transfer realize vehicle advance, retrogressing.The drive wheel tach signal detected by the tachogen that walk motor with hydraulic pressure carries, as feedback signal, reaches the object that accurate regulation speed, wheel are synchronous.
The realization of turning function: turning function provides power by hydraulic power station, is switched to by control cock group and turns to pattern, and controls hydraulic steering cylinder driving device bar linkage structure to promote wheel flutter rotation, realizes turning to of wheel.Detected the angle of wheel steering by the rotation direction sensor being arranged on rotating mechanism inside, reach and accurately control steering angle and turn to synchronous object.
The realization of feeding chamber lifting functions: be switched to the pattern of hoisting by control cock group, by controlling left jacking hydraulic actuating cylinder and right jacking hydraulic actuating cylinder realizes hoisting of grinding machine feeding chamber frame, feeding chamber is placed on grinding machine feeding chamber frame.The outreach of two left jacking hydraulic actuating cylinders and two right jacking hydraulic actuating cylinders is detected by Stroke Displacement Transducer, thus realize the monitoring of speed that feeding chamber hoists and height, in conjunction with the horizon sensor be arranged on hoisting rack, form closed loop together and realize the synchronization lifting of two left jacking hydraulic actuating cylinders and two right jacking hydraulic actuating cylinders and position adjusts.
Feeding chamber departs from and the functional realiey accurately docking grinding machine: the left disengaging hydraulic actuating cylinder installed by the left and right sides bottom left longeron and right vertical beam and the antagonistic force of right disengaging hydraulic actuating cylinder realize the disengaging of feeding chamber and grinding machine, in the inside of left disengaging hydraulic actuating cylinder and right disengaging hydraulic actuating cylinder, horizontal throw sensor is installed, the outreach of hydraulic actuating cylinder can be recorded at any time.The distance of feeding chamber when departing from grinding machine is detected by two radar rangings and registration device, and the reference data recorded when feeding chamber being docked again as next time, to control the distance of stretch out and draw back of left disengaging hydraulic actuating cylinder and right disengaging hydraulic actuating cylinder, reach the object that feeding chamber accurately docks with grinding machine.
The realization of mill feeding mouth flange disassembling function: grinding machine feeding chamber frame is taken off, flange disassembly mechanism is placed into the left jacking hydraulic actuating cylinder in front side and right jacking hydraulic actuating cylinder upper end, one, front side, manipulate left jacking hydraulic actuating cylinder and flange is dismantled arm jacking predetermined altitude by right jacking hydraulic actuating cylinder, pin-and-hole fastening screw being inserted the pin-and-hole of framework bottom and the side, jacking cylinder upper end of front end, the left and right sides fixes, then drive wheel moves forward the inlet point making flange dismounting arm insert grinding machine like a cork, draw-in groove on flange dismounting arm is used for blocking inside flange, tool car moves backward or rotates simultaneously, so just be easy to a flange disassemble from inlet point.
The removing and erection work of feeding chamber when function of the present utility model has been large-sized grinder maintenance, has advances, retreats, turns to, brakes, and feeding chamber is elevated, Dispatching adjustment, and vehicle counteraction detachment function, above everything is hydraulic-driven.Diesel motor or electrical motor drive hydraulic power station to hydrostatic steering system as propulsion source, walk motor with hydraulic pressure and hydraulic lifting detachment system fuel feeding, be contained in the walk motor with hydraulic pressure of left longeron and right vertical beam leading section, wheel side speed reducer drives drive wheel walking and braking, speed of travel infinite speed variation, car brakeing comprises service brake and braking during standstill, hydraulic steering cylinder driving device connecting rod mechanism controls turning to of wheel flutter, two left jacking hydraulic actuating cylinders and two right jacking hydraulic actuating cylinders both synchronous operation can be elevated feeding chamber, also can the angle of operation adjustment feeding chamber separately, regulate the speed stepless adjustable.Left disengaging hydraulic actuating cylinder and right disengaging hydraulic actuating cylinder are mainly used in top grinder sidepiece and complete vehicle and make when removing feed bin feeding chamber depart from the inlet point of grinding machine smoothly, when retracting feeding chamber after grinding machine has overhauled, left disengaging hydraulic actuating cylinder and right disengaging hydraulic actuating cylinder can play again the effect of accurate limit, make feeding chamber insert the inlet point of grinding machine accurately.
The utility model not only arbitrarily can transport the feeding chamber of large-sized grinder, can also according to the situation of actual field, freely turn to, walk, adjust the position of feeding chamber making feeding chamber depart from like a cork, insert the inlet point of grinding machine flange is disassembled, the left disengaging hydraulic actuating cylinder that vehicle front is arranged and right disengaging hydraulic actuating cylinder top grinder sidepiece, feeding chamber is departed from grinding machine like a cork, can position-limiting action be played again at the complete rear left disengaging hydraulic actuating cylinder of maintenance and right disengaging hydraulic actuating cylinder, accurately feeding chamber be inserted the inlet point of grinding machine.The utility model both can be handled at driver behavior platform in addition, also can handle by wireless remote control.
Accompanying drawing explanation
Fig. 1 is provided with structural representation of the present utility model under flange disassembly mechanism state;
Fig. 2 is the birds-eye view of Fig. 1;
Fig. 3 is the right elevation of Fig. 1;
Fig. 4 is the schematic diagram of grinding machine feeding chamber frame in the utility model.
Detailed description of the invention
As Fig. 1, Fig. 2, shown in Fig. 3 and Fig. 4, large-size horizontal grinding machine tool car of the present utility model, comprise the left longeron 1 and right vertical beam 2 that be arranged in parallel along the longitudinal direction, connected by a crossbeam 3 between left longeron 1 and right vertical beam 2 rear end, hydraulic power station 4 and riding manipulation platform 5 is provided with on rear side of crossbeam 3, support 6 is provided with on front side of crossbeam 3, support 6 left and right sides is respectively equipped with a wheel flutter 7, the hydrostatic steering system 8 that control two wheel flutters 7 turn to simultaneously is provided with in support 6, left longeron 1 and right vertical beam 2 front end are respectively equipped with a drive wheel 9, the center of each drive wheel 9 is connected with a walk motor with hydraulic pressure 10 respectively, left longeron 1 and right vertical beam 2 front portion are provided with the hydraulic lifting detachment system for transporting grinding machine feeding chamber, hydraulic power station 4 by control cock group 11 and high pressure fuel pipe respectively with hydrostatic steering system 8, walk motor with hydraulic pressure 10 is connected with hydraulic lifting detachment system.
Hydraulic lifting detachment system comprise vertically be located at two left jacking hydraulic actuating cylinders 12 on the right side of left longeron 1, be vertically located at two right jacking hydraulic actuating cylinders 13 on the left of right vertical beam 2, level is located at left disengaging hydraulic actuating cylinder 14 under left longeron 1 and level is located at the left jacking hydraulic actuating cylinder 12 of right disengaging hydraulic actuating cylinder 15, two under right vertical beam 2 and two right jacking hydraulic actuating cylinder 13 upper ends and is provided with right jacking hydraulic actuating cylinder 13 upper end of the left jacking hydraulic actuating cylinder 12 of grinding machine feeding chamber frame 16 or one, front side and one, front side and is provided with flange disassembly mechanism.
Flange disassembly mechanism comprises framework 21, framework 21 is vertically provided with column 23, column 23 is provided with flange dismounting arm 24, flange dismounting arm 24 is horizontally disposed with, flange dismounting arm 24 rear end is fixedly connected with column 23 upper end, flange dismounting arm 24 front end upper surface is provided with draw-in groove 25, and framework 21 leading flank is provided with the pin-and-hole coordinated by fastening screw 22 grafting with right jacking hydraulic actuating cylinder 13 upper end of the left jacking hydraulic actuating cylinder 12 in one, front side and one, front side respectively.Hydrostatic steering system 8 is made up of a hydraulic steering cylinder and a set of mechanical linkage, and wheel flutter 7 is provided with rotation direction sensor.
Walk motor with hydraulic pressure 10 is by wheel side speed reducer 18 and drive wheel 9 connection for transmission, and walk motor with hydraulic pressure 10 is provided with tachogen.
The piston rod of two left jacking hydraulic actuating cylinders 12 and two right jacking hydraulic actuating cylinders 13 is respectively equipped with a Stroke Displacement Transducer.
The leading section of left longeron 1 and right vertical beam 2 is all provided with a radar ranging and registration device 17.
Be equipped with a crashproof rack outside each drive wheel 9, crashproof rack is provided with radar collision device.
Hydraulic power station 4 is located in the middle part of crossbeam 3, and riding manipulation platform 5 is located on the left of hydraulic power station 4 or right side.
Be provided with pole 19 on rear side of riding manipulation platform 5, pole 19 is provided with acoustic-optic alarm 20.
The utility model electric control system realizes the communication of system by CAN, adopts full hydraulic drive, and full electric signal controls the realization of the everything of vehicle.In use, chaufeur can control the realization of the everything of vehicle to the utility model by the operation push-button on operator platform or Digiplex.Vehicle to run can be realized by rotating open loop, turning to, with feeding chamber work, the conversion of dismantling several mode of operations such as flange.All parameters of vehicle are observed by the telltale on riding manipulation platform 5.
Walking function realize: walking function provides power mainly through hydraulic power station 4, by control cock group 11 hydraulic control running motor 10 bidirectional rotary transfer realize vehicle advance, retrogressing.Drive wheel 9 tach signal detected by the tachogen that walk motor with hydraulic pressure 10 carries, as feedback signal, reaches the object that accurate regulation speed, wheel are synchronous.
The realization of turning function: turning function provides power by hydraulic power station 4, is switched to by control cock group 11 and turns to pattern, and controls hydraulic steering cylinder driving device bar linkage structure and rotate to promote wheel flutter 7, realizes turning to of wheel.Detected the angle of wheel steering by the rotation direction sensor being arranged on rotating mechanism inside, reach and accurately control steering angle and turn to synchronous object.
The realization of feeding chamber lifting functions: be switched to the pattern of hoisting by control cock group 11, by controlling left jacking hydraulic actuating cylinder 12 and right jacking hydraulic actuating cylinder 13 realizes hoisting of grinding machine feeding chamber frame 16, feeding chamber is placed on grinding machine feeding chamber frame 16.The outreach of two left jacking hydraulic actuating cylinders 12 and two right jacking hydraulic actuating cylinders 13 is detected by Stroke Displacement Transducer, thus realize the monitoring of speed that feeding chamber hoists and height, in conjunction with the horizon sensor be arranged on hoisting rack, form closed loop together and realize the synchronization lifting of two left jacking hydraulic actuating cylinders 12 and two right jacking hydraulic actuating cylinders 13 and position adjusts.
Feeding chamber departs from and the functional realiey accurately docking grinding machine: the left disengaging hydraulic actuating cylinder 14 installed by the left and right sides bottom left longeron 1 and right vertical beam 2 and the antagonistic force of right disengaging hydraulic actuating cylinder 15 realize the disengaging of feeding chamber and grinding machine, in the inside of left disengaging hydraulic actuating cylinder 14 and right disengaging hydraulic actuating cylinder 15, horizontal throw sensor is installed, the outreach of hydraulic actuating cylinder can be recorded at any time.The distance of feeding chamber when departing from grinding machine is detected by two radar rangings and registration device 17, and the reference data recorded when feeding chamber being docked again as next time, to control the distance of stretch out and draw back of left disengaging hydraulic actuating cylinder 14 and right disengaging hydraulic actuating cylinder 15, reach the object that feeding chamber accurately docks with grinding machine.
The realization of mill feeding mouth flange disassembling function: grinding machine feeding chamber frame 16 is taken off, flange disassembly mechanism is placed into the left jacking hydraulic actuating cylinder 12 in front side and right jacking hydraulic actuating cylinder 13 upper end, one, front side, manipulate left jacking hydraulic actuating cylinder 12 and flange is dismantled arm 24 jacking predetermined altitude by right jacking hydraulic actuating cylinder 13, fastening screw 22 inserted the pin-and-hole of framework 21 bottom and fix with the left jacking hydraulic actuating cylinder 12 of front end and the side, upper end of right jacking hydraulic actuating cylinder 13, then drive wheel 9 moves forward the inlet point making flange dismounting arm 24 insert grinding machine like a cork, draw-in groove 25 on flange dismounting arm 24 is for blocking inside flange, tool car moves backward or rotates simultaneously, so just be easy to a flange disassemble from inlet point.
The removing and erection work of feeding chamber when function of the present utility model has been large-sized grinder maintenance, has advances, retreats, turns to, brakes, and feeding chamber is elevated, Dispatching adjustment, and vehicle counteraction detachment function, above everything is hydraulic-driven.Diesel motor or electrical motor drive hydraulic power station 4 to hydrostatic steering system 8 as propulsion source, walk motor with hydraulic pressure and hydraulic lifting detachment system fuel feeding, be contained in the walk motor with hydraulic pressure 10 of left longeron 1 and right vertical beam 2 leading section, wheel side speed reducer 18 drives drive wheel 9 walk and brake, speed of travel infinite speed variation, car brakeing comprises service brake and braking during standstill, hydraulic steering cylinder driving device connecting rod mechanism controls turning to of wheel flutter 7, two left jacking hydraulic actuating cylinders 12 and two right jacking hydraulic actuating cylinders 13 both synchronous operation can be elevated feeding chamber, also can the angle of operation adjustment feeding chamber separately, regulate the speed stepless adjustable.Left disengaging hydraulic actuating cylinder 14 and right disengaging hydraulic actuating cylinder 15 are mainly used in top grinder sidepiece and complete vehicle and make when removing feed bin feeding chamber depart from the inlet point of grinding machine smoothly, when retracting feeding chamber after grinding machine has overhauled, left disengaging hydraulic actuating cylinder 14 and right disengaging hydraulic actuating cylinder 15 can play again the effect of accurate limit, make feeding chamber insert the inlet point of grinding machine accurately.
Above embodiment is the unrestricted the technical solution of the utility model in order to explanation only, although be described in detail the utility model with reference to above-described embodiment, those of ordinary skill in the art is to be understood that: still can modify to the utility model or equivalent replacement, and not departing from any modification or partial replacement of spirit and scope of the present utility model, it all should be encompassed in the middle of right of the present utility model.
Claims (8)
1. large-size horizontal grinding machine tool car, it is characterized in that: comprise the left longeron and right vertical beam that be arranged in parallel along the longitudinal direction, connected by a crossbeam between left longeron and right vertical beam rear end, hydraulic power station and riding manipulation platform is provided with on rear side of crossbeam, support is provided with on front side of crossbeam, the support left and right sides is respectively equipped with a wheel flutter, the hydrostatic steering system that control two wheel flutters turn to simultaneously is provided with in support, left longeron and right vertical beam front end are respectively equipped with a drive wheel, the center of each drive wheel is connected with a walk motor with hydraulic pressure respectively, left longeron and right vertical beam front portion are provided with the hydraulic lifting detachment system for transporting grinding machine feeding chamber, hydraulic power station by control cock group and high pressure fuel pipe respectively with hydrostatic steering system, walk motor with hydraulic pressure is connected with hydraulic lifting detachment system,
Described hydraulic lifting detachment system comprise vertically be located at two left jacking hydraulic actuating cylinders on the right side of left longeron, be vertically located at two right jacking hydraulic actuating cylinders on the left of right vertical beam, level is located at left disengaging hydraulic actuating cylinder under left longeron and level is located at right disengaging hydraulic actuating cylinder under right vertical beam, two left jacking hydraulic actuating cylinders and two right jacking hydraulic actuating cylinder upper ends are provided with the right jacking hydraulic actuating cylinder upper end of the left jacking hydraulic actuating cylinder of grinding machine feeding chamber frame or one, front side and one, front side and are provided with flange disassembly mechanism;
Described flange disassembly mechanism comprises framework, framework is vertically provided with column, column is provided with flange dismounting arm, flange dismounting arm is horizontally disposed with, flange dismounting arm rear end is fixedly connected with column upper end, flange dismounting arm front end upper surface is provided with draw-in groove, and framework leading flank is provided with the pin-and-hole coordinated by fastening screw grafting with the right jacking hydraulic actuating cylinder upper end of the left jacking hydraulic actuating cylinder in one, front side and one, front side respectively.
2. large-size horizontal grinding machine tool car according to claim 1, is characterized in that: described hydrostatic steering system is made up of a hydraulic steering cylinder and a set of mechanical linkage, and wheel flutter is provided with rotation direction sensor.
3. large-size horizontal grinding machine tool car according to claim 1, is characterized in that: described walk motor with hydraulic pressure is by wheel side speed reducer and drive wheel connection for transmission, and walk motor with hydraulic pressure is provided with tachogen.
4. large-size horizontal grinding machine tool car according to claim 2, is characterized in that: the piston rod of described two left jacking hydraulic actuating cylinders and two right jacking hydraulic actuating cylinders is respectively equipped with a Stroke Displacement Transducer.
5. large-size horizontal grinding machine tool car according to claim 1, is characterized in that: the leading section of described left longeron and right vertical beam is all provided with a radar ranging and registration device.
6. large-size horizontal grinding machine tool car according to claim 1, is characterized in that: be equipped with a crashproof rack outside described each drive wheel, crashproof rack is provided with radar collision device.
7. large-size horizontal grinding machine tool car according to claim 1, it is characterized in that: described hydraulic power station is located in the middle part of crossbeam, riding manipulation platform is located on the left of hydraulic power station or right side.
8. large-size horizontal grinding machine tool car according to claim 1, is characterized in that: be provided with pole on rear side of described riding manipulation platform, pole is provided with acoustic-optic alarm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420519908.9U CN204077481U (en) | 2014-09-11 | 2014-09-11 | Large-size horizontal grinding machine tool car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420519908.9U CN204077481U (en) | 2014-09-11 | 2014-09-11 | Large-size horizontal grinding machine tool car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204077481U true CN204077481U (en) | 2015-01-07 |
Family
ID=52170227
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420519908.9U Withdrawn - After Issue CN204077481U (en) | 2014-09-11 | 2014-09-11 | Large-size horizontal grinding machine tool car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204077481U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104228660A (en) * | 2014-09-11 | 2014-12-24 | 郑州贝龙液压技术有限公司 | Maintenance car for large-sized horizontal mill |
-
2014
- 2014-09-11 CN CN201420519908.9U patent/CN204077481U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104228660A (en) * | 2014-09-11 | 2014-12-24 | 郑州贝龙液压技术有限公司 | Maintenance car for large-sized horizontal mill |
| CN104228660B (en) * | 2014-09-11 | 2016-09-28 | 郑州贝龙液压技术有限公司 | Large-size horizontal grinding machine tool car |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150107 Effective date of abandoning: 20160928 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |