CN103334466A - Full-automatic sludge conveying system - Google Patents

Full-automatic sludge conveying system Download PDF

Info

Publication number
CN103334466A
CN103334466A CN2013102259783A CN201310225978A CN103334466A CN 103334466 A CN103334466 A CN 103334466A CN 2013102259783 A CN2013102259783 A CN 2013102259783A CN 201310225978 A CN201310225978 A CN 201310225978A CN 103334466 A CN103334466 A CN 103334466A
Authority
CN
China
Prior art keywords
mud
monitor
sludge
control device
full
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.)
Granted
Application number
CN2013102259783A
Other languages
Chinese (zh)
Other versions
CN103334466B (en
Inventor
卢山
王立刚
李晓亚
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.)
BEIJING MECC HYDRAULIC Co Ltd
Original Assignee
BEIJING MECC HYDRAULIC 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 BEIJING MECC HYDRAULIC Co Ltd filed Critical BEIJING MECC HYDRAULIC Co Ltd
Priority to CN201310225978.3A priority Critical patent/CN103334466B/en
Publication of CN103334466A publication Critical patent/CN103334466A/en
Application granted granted Critical
Publication of CN103334466B publication Critical patent/CN103334466B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Control And Safety Of Cranes (AREA)

Abstract

The invention discloses a full-automatic sludge conveying system, which comprises a sludge grabbing apparatus, a traveling crane control device, a sludge monitoring device and a signal control device, wherein the sludge grabbing apparatus is used for grabbing sludge from a low position sludge collection tank and placing the sludge in a high position tank; the traveling crane control device is used for controlling the position of the sludge grabbing apparatus; the sludge monitoring device comprises a first monitor for monitoring the parameter of the sludge in the low position sludge collection tank and a second monitor for motoring the parameter of the sludge in the high position tank; the signal control device is used for receiving sludge parameter signals transmitted by the first monitor and the second monitor, working condition signals transmitted by the sludge grabbing apparatus and signals transmitted by the traveling crane control device, and controlling the working conditions of the first monitor, the second monitor, the sludge grabbing apparatus and the traveling crane control device. The sludge conveying system can improve the potential energy of the sludge accurately and stably, conveys the sludge for a certain horizontal distance, can perform normal operation through supervision and adjustment of only one person, can get into a deep trench with the depth of dozens of meters under the serious environment, can grab and convey the sludge automatically and safely, and has strong practicability.

Description

A kind of full-automatic mud induction system
Technical field
The present invention relates to the sludge treatment device field, more specifically, relate to a kind of full-automatic mud induction system.
Background technology
Nowadays, in municipal sludge and industrial sludge processing procedure, the material system of existing operation mostly is manually-operated, and with manually more, site environment is more abominable, and human body is had harm.And in adverse circumstances, down in tens meters zanjon, dell, grasp mud and carry mud all to have very big danger.
Therefore, need badly and want a kind of full automatic mud induction system, so that accurately, stable, the safe potential energy of mud is improved, and carry certain horizontal range, only needing a people to supervise adjustment namely can normally move, and can be following in tens meters zanjon in adverse circumstances, the extracting of automatic safe and conveying mud.
Summary of the invention
Based on above problem, the object of the present invention is to provide a kind of full-automatic mud induction system, this system can be accurate, stable the potential energy of mud is improved, and carry certain horizontal range, only needing a people to supervise adjustment namely can normally move, and can be following in tens meters zanjon in adverse circumstances, the extracting of automatic safe and conveying mud, practicality is very strong.
For solving the problems of the technologies described above, the present invention by the following technical solutions:
A kind of full-automatic mud induction system comprises:
The mud gripping apparatus, it is used for grasping mud from the low level mud-collecting slot, and puts into head tank;
The driving control device, it is used for the position of control mud gripping apparatus;
The mud monitoring device, it comprises for first monitor of monitoring low level mud-collecting slot mud parameter with for second monitor of monitoring head tank mud parameter;
Signal control device, it is used for receiving the mud parameter signal of first monitor and the transmission of second monitor, the signal that the working state signal that the mud gripping apparatus transmits and driving control device transmit, and control the duty of first monitor, second monitor, mud gripping apparatus and driving control device.
As preferably, described driving control device comprises:
Running rail, it comprises two guide rails that are parallel to each other;
Driving, its two ends lay respectively on two guide rails, and can move along the guide rail direction;
Dolly, it hangs in the driving by dolly, and can in the driving upper edge with the perpendicular direction of the direction of motion of driving a vehicle and move;
Electric hoist, it is arranged on the dolly, can promote or reduce the height of mud gripping apparatus;
Gravity sensor, it is installed on the electric hoist, the weight in the time of can obtaining the load-carrying of mud gripping apparatus, and signal passed to signal control device.
As preferably, described signal control device comprises that signal is handled and the PLC of control for whole system is carried out.
As preferably, described PLC is installed in the switch board.
As preferably, described mud gripping apparatus comprises:
Grab bucket, it comprises the pawl more than three or three, can arrive and grab the mud action in the low level mud-collecting slot;
Hydraulic system, the top that it is installed in grab bucket comprises hydraulic pump and hydraulic cylinder, is used for the action of control grab bucket.
As preferably, described first monitor is radar.
As preferably, described second monitor is material position monitor.
As preferably, described system also comprises:
The material level display, its mud parameter that is used in the mud parameter of low level mud-collecting slot that first monitor is monitored and the head tank that second monitor monitors shows.
As preferably, the two ends of described driving be equipped with for end row near switch.
As preferably, the two ends of described driving also are equipped with for the mechanical switch that ends row.
Beneficial effect of the present invention is, because full-automatic mud induction system of the present invention comprises: the mud gripping apparatus, it is used for grasping mud from the low level mud-collecting slot, and puts into head tank; The driving control device, it is used for the position of control mud gripping apparatus; The mud monitoring device, it comprises for first monitor of monitoring low level mud-collecting slot mud parameter with for second monitor of monitoring head tank mud parameter; Signal control device, it is used for receiving the mud parameter signal of first monitor and the transmission of second monitor, the signal that the working state signal that the mud gripping apparatus transmits and driving control device transmit, and control the duty of first monitor, second monitor, mud gripping apparatus and driving control device.Cooperatively interact by above each device, can be accurate, the stable potential energy of mud be improved, and carry certain horizontal range, only needing a people to supervise adjustment namely can normally move, and can be in adverse circumstances repeatedly, repeatedly following in tens meters zanjon, the extracting of automatic safe and conveying mud, practicality is very strong.Because the driving control device comprises running rail, driving, dolly and electric hoist, so can controlling driving control device drive mud gripping apparatus, signal control device carries mud to level and any direction of vertically three-dimensional X, Y, Z.
Description of drawings
The full-automatic mud induction system schematic diagram that Fig. 1 provides for the specific embodiment of the invention one;
The driving control device schematic diagram that Fig. 2 provides for the specific embodiment of the invention one.
Among the figure:
1, running rail; 2, driving; 3, dolly; 4, electric hoist; 5, mud gripping apparatus; 6, low level mud-collecting slot; 7, signal control device; 8, head tank; 9, radar;
11, first running rail; 12, second running rail.
The specific embodiment
Further specify technical scheme of the present invention below by the specific embodiment.
The full-automatic mud induction system schematic diagram that Fig. 1 provides for the specific embodiment of the invention one.As shown in Figure 1, the full-automatic mud induction system of this kind comprises mud gripping apparatus 5, driving control device, mud monitoring device, signal control device 7.
Wherein, mud gripping apparatus 5 is used for grasping mud from low level mud-collecting slot 6, and mud is put into head tank 8.The driving control device is used for the position of control mud gripping apparatus 5.The mud monitoring device comprises for first monitor of monitoring low level mud-collecting slot 6 mud parameters with for second monitor of monitoring head tank 8 mud parameters.Signal control device 7 is used for receiving the mud parameter signal of first monitor and the transmission of second monitor, the signal that the working state signal that mud gripping apparatus 5 transmits and driving control device transmit, and control the duty of first monitor, second monitor, mud gripping apparatus 5 and driving control device.
In present embodiment, described low level mud-collecting slot 6 is positioned at below ground, and the mud of its inside is generally poured into.In addition, described low level mud-collecting slot 6 also can change and do zanjon, and mud gripping apparatus 5 also can grasp mud from zanjon.
In present embodiment, described mud parameter comprises that namely the amount of mud also comprises the height of mud.
In present embodiment, as preferred version, described first monitor is radar 9, and it is installed in the top edge of low level mud-collecting slot 6.Described second monitor is material position monitor, and it is installed in the top edge of head tank 8.
Concrete, as shown in Figure 2, described driving control device comprises running rail 1, driving 2, dolly 3 and electric hoist 4.Running rail 1 comprises two guide rails that are parallel to each other, and is respectively first running rail 11 and second running rail 12.First running rail 11 and second running rail 12 can be used as the X coordinate.The two ends of driving 2 lay respectively on described two guide rails, and can move at the X coordinate direction along guide rail, drive mud gripping apparatus 5 simultaneously and move at the X coordinate direction.Dolly 3 is positioned in the driving 2, and can namely move along Y-direction along moving with the perpendicular direction of 2 directions of motion of driving a vehicle in driving 2, drives mud gripping apparatus 5 simultaneously and moves at the Y coordinate direction.Electric hoist 4 is fixed on the dolly 3, can promote or reduce the height of mud gripping apparatus 5, namely controls the motion that mud gripping apparatus 5 is done the Z direction, determines the Z coordinate position of mud gripping apparatus 5.The gross weight of the power of electric hoist 4 during by mud gripping apparatus 5 load-carryings that promote determines.
Electric hoist is a kind of crane gear, and it is with motor, reductor, and cable drum and walking dolly integrator are through being usually used in less single track lifting overhead traveling crane.Its principle is real: be cable drum in the middle of the electric hoist, hang on dolly on the runway grider of i iron making that an end is fixed the conical rotor motor that can brake with flange, transmission of power is arrived the reductor of the other end with power transmission shaft.Give cable drum through the transmission of power of slowing down, drive the suspension hook lifting.Walking dolly is a fine taper rotor electromotor, and through slowing down, transmission of power is given road wheel, and dolly just can be walked along the driving that i iron is made.This running gear just can be finished the task of lifting and running fix under the drive of driving.
At electric hoist 4 gravity sensor is installed, the weight when gravity sensor can obtain 5 load-carryings of mud gripping apparatus, and signal passed to signal control device 7.
In present embodiment, the height of the shelf at described driving control device place can change, what can arrange is higher, be not limited to the height shown in Fig. 1, mud gripping apparatus 5 can grasp mud in darker zanjon or mud-collecting slot, also the mud that grasps can be sent in the head tank of high position more.
Concrete, described signal control device 7 comprises that signal is handled and the PLC of control for whole system is carried out.PLC is the abbreviation of programmable logic controller (Programmable logic Controller), refers to the infant industry control device based on computer technology.As preferred version, described PLC is installed in the switch board.
Concrete, described mud gripping apparatus 5 comprises grab bucket and hydraulic system.Grab bucket comprises the pawl more than three or three, can arrive and grab the mud action in the low level mud-collecting slot 6.Hydraulic system is installed in the top of grab bucket, comprises hydraulic pump and hydraulic cylinder, is used for the action of control grab bucket.Mud gripping apparatus 5 is advanced regulation and control grab buckets, and grab bucket, pump, valve be in one, can be following grasps mud in the dell of tens meters or tens meters, can be in the utmost point rugged environment trouble free service.5 work of mud gripping apparatus are controlled by PLC, again duty are summoned to PLC simultaneously, realize operation automatically, and this system is widely used at the Treatment of Sludge scene.
In present embodiment, as preferred version, described full-automatic mud induction system also comprises the material level display, the mud parameter that the material level display is used in the mud parameter of low level mud-collecting slot 6 that first monitor is monitored and the head tank 8 that second monitor monitors shows, and handled easily personnel watch.
In present embodiment, as preferred version, the two ends of described driving 2 be equipped with for end row near switch.As further preferred version, the two ends of described driving 2 also are equipped with for the mechanical switch that ends row.When near malfunctioning switch, there is mechanical switch to play a role, cut off the power supply, out of service.Driving whole operation motors of 2 all are controlled by PLC, accept behind PLC automatically controlled again to the PLC feedback signal of telecommunication, and open and close movement is done in instruction grab bucket work.
Below introduce the course of work of full-automatic mud induction system:
Material position monitor is monitored the mud parameter in the head tank 8, height such as material level, and give PLC in the switch board with the mud parameter electrical signal transfer that monitors, the mud parameter of the PLC signal of telecommunication carries out analyzing and processing, when material level is higher than default material level, PLC feeds back to the driving control device to current signal, and driving control device control mud gripping apparatus 5 stops to head tank reinforced.Otherwise when head tank 8 material levels were lower than default material level, PLC fed back to the driving control device to current signal, and the driving control device drives 5 operations of mud gripping apparatus, in time gives head tank 8 reinforced, ensures that the normal operation of mud is handled.
In giving head tank 8 reinforced processes, radar is to the material level distribution situation in the low level mud-collecting slot 6, monitor such as sludge quantity and mud height, and a material level distribution state data that monitors is transported to PLC, after PLC receives the high some position coordinates signal that distributes, the mud parameter signal of telecommunication is carried out analyzing and processing, and analysis result is passed to mud gripping apparatus 5 and driving control device, control both operation conditions.The weight signal of gravity sensor during also with mud gripping apparatus 5 load-carryings that monitor sends to PLC, PLC carries out analyzing and processing to this signal, calculate the power of electric hoist 4, and the performance number signal is sent to the driving control device, and then the operation conditions of control mud gripping apparatus 5.
The concrete moving situation of driving control device is:
Driving 2 is in running rail 1 operation, satisfy the directions X requirement, dolly 3 is along driving 2 operations, satisfy the Y-direction motion, specify X when arriving, behind the Y coordinate, electric hoist 4 is to transferring, by gravity sensor mud gripping apparatus 5 is fallen the material surface, PLC gives mud gripping apparatus 5 with electrical signal transfer, the piston that mud gripping apparatus 5 built-in hydraulic pumps begin the primer fluid cylinder pressure begins to start the mud of grabbing high point in the low level mud-collecting slot 6, when mud gripping apparatus 5 is grabbed full mud the position signal of telecommunication is flowed to PLC, wire rope rises to height (position by head tank 8 is determined) Z coordinate accurately to grab bucket, PLC signals and makes driving 2 by the X coordinate, the motion of Y coordinate accurately arrives head tank 8 tops, and after mud gripping apparatus 5 center lines and head tank 8 center lines aligned, PLC sent signal and the grab bucket of mud gripping apparatus 5 opened make material fall into head tank 8.After opening and closing twice, grab bucket is signaled to turn back to by PLC and is carried out grabbing the second time mud action in the low level mud-collecting slot 6.
Each device in the full-automatic mud induction system disclosed in this invention cooperatively interacts, can control the mud gripping apparatus and automatically grasp mud, can be accurate, the stable potential energy of mud be improved, and carry certain horizontal range, only needing a people to supervise adjustment namely can normally move, and can be in adverse circumstances repeatedly, repeatedly following in tens meters zanjon, the extracting of automatic safe and carry mud, practicality is very strong.Because the driving control device comprises running rail, driving, dolly and electric hoist, so can controlling driving control device drive mud gripping apparatus, signal control device carries mud to level and any direction of vertically three-dimensional X, Y, Z.And can be to level and the vertically any direction conveying of X, Y, Z of three-dimensional.Described full-automatic mud induction system and portion are confined to grasp mud, but also can grasp other material, comprise the material piece, software material and polygon material.And only needing Central Control Room to have a people to supervise adjustment namely can normally move.
Know-why of the present invention has below been described in conjunction with specific embodiments.These are described just in order to explain principle of the present invention, and can not be interpreted as limiting the scope of the invention by any way.Based on explanation herein, those skilled in the art does not need to pay performing creative labour can associate other specific embodiment of the present invention, and these modes all will fall within protection scope of the present invention.

Claims (10)

1. a full-automatic mud induction system is characterized in that, comprising:
Mud gripping apparatus (5), it is used for grasping mud from low level mud-collecting slot (6), and puts into head tank (8);
The driving control device, it is used for the position of control mud gripping apparatus (5);
The mud monitoring device, it comprises for first monitor of monitoring low level mud-collecting slot (6) mud parameter with for second monitor of monitoring head tank (8) mud parameter;
Signal control device (7), it is used for receiving the mud parameter signal of first monitor and the transmission of second monitor, the signal that the working state signal that mud gripping apparatus (5) transmits and driving control device transmit, and control the duty of first monitor, second monitor, mud gripping apparatus (5) and driving control device.
2. full-automatic mud induction system according to claim 1 is characterized in that, described driving control device comprises:
Running rail (1), it comprises two guide rails that are parallel to each other;
Driving (2), its two ends lay respectively on described two guide rails, and can move along the guide rail direction;
Dolly (3), it is positioned in the driving (2), and can go up along moving with the perpendicular direction of (2) direction of motion of driving a vehicle in driving (2);
Electric hoist (4), it hangs in the driving (2) by dolly (3), can promote or reduce the height of mud gripping apparatus (5);
Gravity sensor, it is installed on the electric hoist (4), the weight in the time of can obtaining mud gripping apparatus (5) load-carrying, and signal passed to signal control device (7).
3. full-automatic mud induction system according to claim 1 is characterized in that, described signal control device (7) comprises that signal is handled and the PLC of control for whole system is carried out.
4. full-automatic mud induction system according to claim 3 is characterized in that described PLC is installed in the switch board.
5. full-automatic mud induction system according to claim 1 is characterized in that, described mud gripping apparatus (5) comprising:
Grab bucket, it comprises the pawl more than three or three, can arrive and grab the mud action in the low level mud-collecting slot (6);
Hydraulic system, the top that it is installed in grab bucket comprises hydraulic pump and hydraulic cylinder, is used for the action of control grab bucket.
6. the full-automatic mud induction system of stating according to claim 1 is characterized in that, described first monitor is radar (9).
7. the full-automatic mud induction system of stating according to claim 1 is characterized in that, described second monitor is material position monitor.
8. full-automatic mud induction system according to claim 1 is characterized in that, also comprises:
The material level display, its mud parameter that is used in the mud parameter of low level mud-collecting slot (6) that first monitor is monitored and the head tank (8) that second monitor monitors shows.
9. full-automatic mud induction system according to claim 2 is characterized in that, the two ends of described driving (2) be equipped with for end row near switch.
10. full-automatic mud induction system according to claim 9 is characterized in that, the two ends of described driving (2) also are equipped with for the mechanical switch that ends row.
CN201310225978.3A 2013-06-07 2013-06-07 A kind of Full-automatic sludge induction system Expired - Fee Related CN103334466B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310225978.3A CN103334466B (en) 2013-06-07 2013-06-07 A kind of Full-automatic sludge induction system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310225978.3A CN103334466B (en) 2013-06-07 2013-06-07 A kind of Full-automatic sludge induction system

Publications (2)

Publication Number Publication Date
CN103334466A true CN103334466A (en) 2013-10-02
CN103334466B CN103334466B (en) 2015-12-16

Family

ID=49242667

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201310225978.3A Expired - Fee Related CN103334466B (en) 2013-06-07 2013-06-07 A kind of Full-automatic sludge induction system

Country Status (1)

Country Link
CN (1) CN103334466B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108919637A (en) * 2018-06-13 2018-11-30 武汉市政工程设计研究院有限责任公司 A kind of autocontrol method and system of grab type trash cleaning machine
CN109592317A (en) * 2018-11-16 2019-04-09 南京中电自动化有限公司 A kind of sludge conveying system and method
CN110812902A (en) * 2019-11-27 2020-02-21 江苏澳洋生态园林股份有限公司 Monitoring device applied to sludge control

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202004015604U1 (en) * 2004-08-31 2005-01-05 Abb Patent Gmbh Bulk loose material volume measuring system, e.g. for measuring power station coal reserve, has volume scanning system that moves and operates independently of filling and emptying systems
US20050000124A1 (en) * 2003-07-03 2005-01-06 Wolfgang Rohr Gmbh & Co. Kg Hook-on grab bucket, in particular motor-driven underwater grab bucket
CN202543997U (en) * 2012-03-21 2012-11-21 张建 Novel full-open hydraulic grab type trash removal machine
CN202809683U (en) * 2012-07-05 2013-03-20 诸暨市同城机械有限公司 Mobile type grab bucket trash remover
CN202882108U (en) * 2012-11-01 2013-04-17 河北联合大学 Non-cable type sewage channel automatic clearing and delivering device
CN203393761U (en) * 2013-06-07 2014-01-15 北京中冶迈克液压有限责任公司 Full-automatic sludge conveying system

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050000124A1 (en) * 2003-07-03 2005-01-06 Wolfgang Rohr Gmbh & Co. Kg Hook-on grab bucket, in particular motor-driven underwater grab bucket
DE202004015604U1 (en) * 2004-08-31 2005-01-05 Abb Patent Gmbh Bulk loose material volume measuring system, e.g. for measuring power station coal reserve, has volume scanning system that moves and operates independently of filling and emptying systems
CN202543997U (en) * 2012-03-21 2012-11-21 张建 Novel full-open hydraulic grab type trash removal machine
CN202809683U (en) * 2012-07-05 2013-03-20 诸暨市同城机械有限公司 Mobile type grab bucket trash remover
CN202882108U (en) * 2012-11-01 2013-04-17 河北联合大学 Non-cable type sewage channel automatic clearing and delivering device
CN203393761U (en) * 2013-06-07 2014-01-15 北京中冶迈克液压有限责任公司 Full-automatic sludge conveying system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108919637A (en) * 2018-06-13 2018-11-30 武汉市政工程设计研究院有限责任公司 A kind of autocontrol method and system of grab type trash cleaning machine
CN108919637B (en) * 2018-06-13 2021-07-27 武汉市政工程设计研究院有限责任公司 Automatic control method and system for grab type trash remover
CN109592317A (en) * 2018-11-16 2019-04-09 南京中电自动化有限公司 A kind of sludge conveying system and method
CN110812902A (en) * 2019-11-27 2020-02-21 江苏澳洋生态园林股份有限公司 Monitoring device applied to sludge control

Also Published As

Publication number Publication date
CN103334466B (en) 2015-12-16

Similar Documents

Publication Publication Date Title
CN206203717U (en) A kind of Multifunctional tower crane
CN106312998B (en) It is a kind of to assist aerial transmission power line robot upper coil inserting apparatus automatically
CN104140037A (en) Wallboard lifting system
CN103334466A (en) Full-automatic sludge conveying system
CN105337218B (en) A kind of transmission line of electricity lowering or hoisting gear
CN105366556A (en) Device and method for turning main equipment automatically through nuclear island ring crane
CN203393761U (en) Full-automatic sludge conveying system
CN110817699A (en) Unmanned intelligent automatic slag grabbing control system and method for overhead travelling crane of cyclone well
CN105397811A (en) Self-lifting on-wire device for hot-line work robot
EP2927177B1 (en) Method and arrangement for controlling a crane
CN202245865U (en) Device for hoisting head pulley of sintering machine
CN100396856C (en) Dragline dump position control
CN207973418U (en) A kind of quayside container crane of adjustable lifting pulley spacing
CN207536826U (en) Prefabricated guardrail is unloaded and the integrated table system of installation
CN208249717U (en) A kind of accompanying cable vertical lifting system of wirerope
CN203865876U (en) Container hoisting equipment
CN103612985B (en) Portal crane pull-type correcting device and method
CN104310218A (en) System and method for anti-sway control of crane
CN115092845A (en) Method for hoisting equipment
CN103058059A (en) Synchronous control device for double-flat-boom tower crane and crane carriages thereof
CN201648524U (en) Steel strand wire rod pickling line bridge self-propelled trolley device
CN207747906U (en) A kind of small precast cover board installation carriage
CN208856779U (en) A kind of tile hanging apparatus
CN203938366U (en) Wallboard Lift-on/Lift-off System
CN211998516U (en) Unmanned intelligent automatic slag grabbing control system for overhead travelling crane of cyclone well

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20151216

Termination date: 20180607