NL2032685A - Hoisting system for over-limit alarm transport vehicle of asphalt discharging groove background - Google Patents

Hoisting system for over-limit alarm transport vehicle of asphalt discharging groove background Download PDF

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Publication number
NL2032685A
NL2032685A NL2032685A NL2032685A NL2032685A NL 2032685 A NL2032685 A NL 2032685A NL 2032685 A NL2032685 A NL 2032685A NL 2032685 A NL2032685 A NL 2032685A NL 2032685 A NL2032685 A NL 2032685A
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NL
Netherlands
Prior art keywords
asphalt
hoisting system
transport vehicle
oil
platform
Prior art date
Application number
NL2032685A
Other languages
Dutch (nl)
Other versions
NL2032685B1 (en
Inventor
Tong Wanlong
Yao Hui
Zhang Tao
Zhao Shuai
Yuan Xingning
Xu Bowei
Song Tianmiao
Su Rile
Zhang Qi
Li Lianhai
Ye Biao
Dong Jianghui
Han Tianchu
Quan Ping
Zhao Jintao
Original Assignee
China Railway No 9 Group Co Ltd
China Railway No 9 Group Third Construction 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 China Railway No 9 Group Co Ltd, China Railway No 9 Group Third Construction Co Ltd filed Critical China Railway No 9 Group Co Ltd
Publication of NL2032685A publication Critical patent/NL2032685A/en
Application granted granted Critical
Publication of NL2032685B1 publication Critical patent/NL2032685B1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G67/00—Loading or unloading vehicles
    • B65G67/02—Loading or unloading land vehicles
    • B65G67/24—Unloading land vehicles
    • B65G67/32—Unloading land vehicles using fixed tipping installations
    • B65G67/34—Apparatus for tipping wagons or mine cars
    • B65G67/36—Apparatus for tipping wagons or mine cars endwise
    • B65G67/38—Apparatus for tipping wagons or mine cars endwise comprising a turntable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G67/00—Loading or unloading vehicles
    • B65G67/02—Loading or unloading land vehicles
    • B65G67/24—Unloading land vehicles
    • B65G67/32—Unloading land vehicles using fixed tipping installations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G65/00—Loading or unloading
    • B65G65/005—Control arrangements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G65/00—Loading or unloading
    • B65G65/23—Devices for tilting and emptying of containers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G67/00—Loading or unloading vehicles
    • B65G67/02—Loading or unloading land vehicles
    • B65G67/24—Unloading land vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G69/00—Auxiliary measures taken, or devices used, in connection with loading or unloading
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F13/00—Common constructional features or accessories
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F19/00—Hoisting, lifting, hauling or pushing, not otherwise provided for
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/18—Status alarms

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Structural Engineering (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
  • Road Paving Machines (AREA)

Abstract

The invention relates to the technical field of asphalt material transportation, in particular relates to a hoisting system. for an over—limit alarm. transport vehicle of an asphalt discharging groove, the hoisting system comprises: 5 an oil discharging groove; a detection device, which is arranged in the oil discharging groove, so as to detect the asphalt level in the oil discharging groove, a discharging platform, which is arranged at one side of the oil discharging groove for the transport vehicle to stop driving, 10 one end. of the discharging' platform. away from. the oil discharging groove is hinged on the base, and the other end is driven by the hoisting system; a controller, which is in communication connection with the hoisting system and the detection device, so as to send a driving instruction to the 15 hoisting system based on the detection data. The height of the liquid level in the oil discharging groove is detected, and when the liquid level exceeds the limit, the asphalt transport vehicle is hoisted, and the oil discharging is stopped to prevent the hot asphalt from overflowing the oil 20 discharging groove, so that the occurrence of danger caused by personnel scalding accidents, increased construction cost, environment and atmospheric pollution caused. by asphalt overflow is avoided.

Description

HOISTING SYSTEM FOR OVER-LIMIT ALARM TRANSPORT VEHICLE OF
ASPHALT DISCHARGING GROOVE BACKGROUND Field of Invention The present invention relates to the technical field of asphalt material transportation, in particular relates to a hoisting system for an over-limit alarm transport vehicle of an asphalt discharging groove. Background of the Invention Asphalt highway 1s an important foundation for modern economic and social development, and it is also an important foundation for constructing traffic modernization. As the pride of modern traffic, asphalt expressway 1s the representative of speed and efficiency, and it has also become one of the important signs to measure the modernization of the national economy, therefore, asphalt is used as one of the important raw materials of asphalt concrete, the safety, economy and environmental protection property directly determine the quality, cost and environmental protection economy of asphalt pavement construction, but often in the process of asphalt transportation and production, as the asphalt transport vehicle usually tilts the transport vehicle to unload the asphalt in the discharging groove by gravity, and when the high-temperature asphalt overflows from the asphalt discharging groove the on-site staff cannot find and process asphalt in a short time, resulting in the occurrence of personnel scalding by high-temperature asphalt, and a large waste of asphalt raw materials, and the smoke from the overflowing asphalt is harmful to the health of the operators, it also has strong pollution to the environment and atmosphere.
Therefore, it is necessary to provide an improved technical solution for the above-mentioned prior art.
SUMMARY The present invention aims to overcome the defects in the prior art, and provides a hoisting system for an over- limit alarm transport vehicle of an asphalt discharging groove.
In order to achieve the above purpose, the present invention provides the following technical solutions: a hoisting system for an over-limit alarm transport vehicle of an asphalt discharging groove, the hoisting system comprises : an oil discharging groove; a detection device, which is arranged in the oil discharging groove, so as to detect the asphalt level in the oil discharging groove; a discharging platform, which is arranged at one side of the oil discharging groove for the transport vehicle to stop driving, one end of the discharging platform away from the oil discharging groove is hinged on the base, and the other end is driven by the hoisting system; a controller, which is in communication connection with the hoisting system and the detection device, so as to send a driving instruction to the hoisting system based on the detection data; the hoisting system drives the discharging platform to rotate around its hinge point, and at the highest point of rotation of the discharging platform, the discharging platform is in a horizontal state, and when the discharging platform is in a horizontal state, the asphalt stops outputting; at the lowest point of the rotation of the discharging platform, one end of the discharging platform corresponding to the oil discharging groove is higher than an oil discharging port of the oil discharging groove, and along with the inclination of the discharging platform, the transport vehicle discharges hot asphalt into the oil discharging groove through a discharging port and a discharging pipeline; the upper surface of the base is an inclined surface, and the hoisting system is arranged at the lower end of the upper surface of the base; a foundation pit corresponding to the hydraulic cylinder is arranged on the base, the hydraulic cylinder is arranged in the foundation pit, and when the discharging platform is located at the lowest point, the inclined surface of the base is attached to the lower surface of the discharging platform; the discharging platform is a steel plate, and antiskid lines are arranged on the upper surface of the discharging platform; the discharging platform is detachably connected with a plurality of base plates corresponding to the wheels of the transport vehicle. Beneficial effect The height of the liquid level in the oil discharging groove is detected, and when the liquid level exceeds the limit, the asphalt transport vehicle is hoisted, and the oil discharging is stopped to prevent the hot asphalt from overflowing the oil discharging groove, so that the occurrence of danger caused by personnel scalding accidents, increased construction cost, environment and atmospheric pollution caused by asphalt overflow is avoided, and make a significant contribution to the economic benefits of high quality and efficiency, cost reduction and efficiency increase, as well as social benefits such as safety, environmental protection and energy conservation.
Fig. 1 is a schematic structural diagram of a hoisting system in a specific embodiment of the present invention. Description of figures: 1, discharging platform; 2, base; 3, hydraulic cylinder; 4, oil discharging groove; 5, sliding column; 6, proximity switch; 7, floating ball; and 8, warning device.
DETAILED DESCRIPTION OF THE EMBODIMENTS The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.
It should be noted that the embodiments and the features in the embodiments of the present invention can be combined with each other without conflict.
As shown in Fig. 1, a hoisting system for an over-limit alarm transport vehicle of an asphalt discharging groove, the hoisting system comprises an oil discharging groove 4, a detection device, a discharging platform 1 and a controller; wherein the detection device can be arranged in the oil discharging groove 4, so as to detect the asphalt liquid surface in the oil discharging groove 4; when the asphalt liquid level inside the oil discharging groove 4 reaches a designated position (generally the liquid level is the highest limit}, the detection signal can be sent to the controller, the discharging platform 1 can be used for the transport vehicle to stop, the discharging platform 1 dumps hot asphalt into the oil discharging groove 4 at a designated position on the discharging platform 1, one end of the discharging platform away from the oil discharging groove is hinged on the base, and the other end is driven by the hoisting system; the controller is in communication connection with the hoisting system and the detection device, so as to send a driving instruction to the hoisting system based on the detection data; specifically, when the liquid level reaches the designated position, the detection device is triggered, and the detection device sends a detection signal to the controller, and the controller sends a driving instruction to the hoisting system, so that the tail of the transport vehicle is hoisted (the discharge port of the transport vehicle is located at the tail of the transport vehicle), so that the transport vehicle stops dumping hot asphalt into the oil discharging groove 4, and thus avoiding asphalt overflow.
In another alternative embodiment, the hoisting system drives the discharging platform 1 to rotate around the hinging point of the discharging platform 1, at the highest point of rotation of the discharging platform 1, the 5 discharging platform 1 is in a horizontal state, and in a conventional state, the asphalt will be discharged from its discharging port only when the tail end of the transport vehicle is tilted downward, and therefore, when the discharging platform 1 is in a horizontal state, the asphalt stops outputting, and the discharge port can be closed at this time. At the lowest point of the discharging platform 1, one end of the discharging platform 1 corresponding to the oil discharging groove 4 is higher than the oil discharging port of the oil discharging groove 4, and along with the inclination of the discharging platform 1, the transport vehicle discharges hot asphalt into the oil discharging groove 4 through the discharging port and the discharging pipeline, and in a conventional state, the discharging platform 1 is kept in a horizontal state, and after the transport vehicle reaches the designated position of the discharging platform 1, the hoisting system drives the discharging platform 1 to slowly incline to carry out hot asphalt output. Of course, after the hoisting system is raised, the discharging platform 1 can also be inclined upwards, there is no limit on the height of the highest point here, and on the premise of ensuring safety, only the horizontal or tail of the transport vehicle needs to be upwards. In another alternative embodiment, the upper surface of the base 2 is an inclined surface, the hoisting system is arranged at a lower end of the upper surface of the base Z, and when the discharging platform 1 is located at the lowest point, the inclined surface of the base 2 is parallel to or attached to the lower surface of the discharging platform
1. In another alternative embodiment, the detection device comprises a floating ball 7 and a position sensor, the floating ball 7 is a metal ball or other high temperature resistant material, the position sensor is arranged in the oil discharging groove 4, and the position sensor is in communication connection with the controller, so as to detect the position of the floating ball 7. The position sensor may be a proximity switch 6 or a touch switch.
In some embodiments, the floating ball 7 is provided with a connecting rod, the end of the connecting rod is hinged to the inner wall of the oil discharging groove 4, the floating ball 7 faces upwards along with the liquid, a proximity switch 6 is arranged in the oil discharging groove 4, and when the floating ball 7 approaches the corresponding proximity switch 6, the proximity switch 6 is triggered, and the proximity switch sends a detection signal to the controller.
In another embodiment, a sliding column 5 is arranged at the top of the inner wall of the oil discharging groove 4, the sliding column 5 extends longitudinally, a lantern ring is fixed on the floating ball 7, the lantern ring is slidably limited on the sliding column 5, a touch switch or a proximity switch 6 is arranged on the sliding column 5, when the liquid level rises, the floating ball 7 slides upwards along the sliding column 5, and when the liquid level reaches a preset position, the floating ball 7 triggers the touch switch or the proximity switch 6.
In the present embodiment, the touch switch or the proximity switch 6 located on the sliding column 5 can be adjusted to set different liquid levels as required.
The touch switch or the proximity switch 6 is a high temperature resistant element and is connected to the controller through a data line.
In another alternative embodiment, the hoisting system comprises a hydraulic cylinder 3 and a hydraulic station, two ends of the hydraulic cylinder 3 are hinged to the base 2 and the discharging platform 1 respectively, the hydraulic station is correspondingly connected with the hydraulic cylinder 3 through the electromagnetic valve, and the electromagnetic valve is in communication connection with the controller. The hydraulic station at least comprises a hydraulic pump and hydraulic oil, which can drive the hydraulic cylinder 3, the electromagnetic valve is connected to the controller through a data line, and the hydraulic cylinder 3 can be driven by controlling the electromagnetic valve.
In another alternative embodiment, the base 2 is provided with a {foundation pit corresponding to the hydraulic cylinder 3, the hydraulic cylinder 3 is arranged in the foundation pit, and when the discharging platform 1 is located at the lowest point, the discharging platform 1 is attached to the upper surface of the base 2.
In another alternative embodiment, the hoisting system further comprises a warning device 8, and the warning device 8 is in communication connection with the controller. After the controller receives the signal of the touch switch or the proximity switch 6, the controller drives the warning device 8 to send warning information, so as to remind the field operator.
In the present embodiment, there are two warning devices 8, one of which is arranged on the oil discharging groove 4, and the other is placed in the control room. The warning device 8 is an acousto-optic warning device. The two warning devices are arranged on the oil unloading site and the control room respectively, which can notify the operators at the site and the control room at the same time.
In another alternative embodiment, the controller may be an editable logic controller or a computer PC terminal, and each component is connected by means of a data line in a wired way or wirelessly by WiFi.
In another alternative embodiment, the discharging platform 1 is a steel plate, antiskid lines are arranged on the upper surface of the discharging platform, which can increase the friction and prevent the transport vehicle from sliding, and meanwhile, the discharging platform 1 is detachably connected with a plurality of base plates corresponding to the wheels of the transport vehicle.
The base plates are of a wedge shape corresponding to the wheel and are connected with the discharging platform 1 through bolts, and after the transport vehicle stops at the designated position of the discharging platform 1, the base plates are fixed on the discharging platform 1 through bolts.
It can be understood that the above description is merely exemplary, and the embodiments of the present application are not limited to this.

Claims (6)

CONCLUSIESCONCLUSIONS 1. Een hijssysteem voor een over-limiet alarm transportvoertuig van een asfaltafvoergroef, wordt gekenmerkt door het feit dat het hijssysteem bestaat uit: een olieafvoergroef; een detectie-inrichting, die is aangebracht in de olieafvoergroef, om het asfaltniveau in de olieafvoergroef te detecteren; een ontlaadplatform, dat aan de ene zijde van de olieafvoergroef is geplaatst zodat het transportvoertuig stopt met rijden, het ene uiteinde van het ontlaadplatform weg van de olieafvoergroef scharniert aan de basis en het andere uiteinde wordt aangedreven door het hijssysteem; een controller, die in verbinding staat met het hijssysteem en de detectie-inrichting, om op basis van de detectiegegevens een rij-instructie naar het hijssysteem te sturen; het hijssysteem drijft het ontlaadplatform aan om rond het scharnierpunt te draaien, en op het hoogste rotatiepunt van het ontlaadplatform bevindt het ontlaadplatform zich in horizontale toestand en wanneer het ontlaadplatform zich in horizontale toestand bevindt, stopt het asfalt met uitstromen; op het laagste punt van de rotatie van het afvoerplatform is het ene uiteinde van het afvoerplatform dat behoort bij de olieafvoergroef hoger dan een olielaadpoort van de olieafvoergroef, en samen met de helling van het ontlaadplatform, loost het transportvoertuig heet asfalt in de olieafvoergroef via een afvoerpoort en een afvoerpijpleiding; het bovenste oppervlak van de basis is een hellend oppervlak en het hijssysteem is aangebracht aan onderste uiteinde van het bovenoppervlak van de basis; een funderingsput die behoort bij de hydraulische cilinder is op de basis geplaatst, de hydraulische cilinder is aangebracht in de funderingsput en wanneer het ontlaadplatform zich op het laagste punt bevindt, wordt het hellende oppervlak van de basis bevestigd aan het onderste oppervlak van het ontlaadplatform; het ontlaadplatform is een stalen plaat en antisliplijnen zijn op het bovenoppervlak van het ontlaadplatform aangebracht; het ontlaadplatform is afneembaar verbonden met een groot aantal bodemplaten die behoren bij de wielen van het transportvoertuig.1. A hoisting system for an asphalt discharge groove over-limit alarm transport vehicle, is characterized in that the hoisting system consists of: an oil discharge groove; a detecting device provided in the oil drain groove to detect the asphalt level in the oil drain groove; an unloading platform, which is placed on one side of the oil discharge groove so that the transport vehicle stops moving, one end of the discharge platform is pivoted away from the oil discharge groove at the base, and the other end is driven by the hoisting system; a controller, which is in communication with the hoisting system and the detection device, to send a driving instruction to the hoisting system based on the detection data; the hoisting system drives the unloading platform to rotate around the pivot point, and at the highest rotation point of the unloading platform, the unloading platform is in a horizontal state, and when the unloading platform is in a horizontal state, the asphalt stops flowing out; at the lowest point of the rotation of the discharge platform, one end of the discharge platform belonging to the oil discharge groove is higher than an oil loading port of the oil discharge groove, and together with the slope of the discharge platform, the transport vehicle discharges hot asphalt into the oil discharge groove through a discharge port and a discharge pipeline; the top surface of the base is an inclined surface and the hoisting system is arranged at the lower end of the top surface of the base; a foundation pit belonging to the hydraulic cylinder is placed on the base, the hydraulic cylinder is arranged in the foundation pit, and when the unloading platform is at the lowest point, the inclined surface of the base is attached to the lower surface of the unloading platform; the unloading platform is a steel plate, and anti-skid lines are applied to the upper surface of the unloading platform; the unloading platform is detachably connected to a plurality of bottom plates associated with the wheels of the transport vehicle. 2. Het hijssysteem voor een over-limiet alarm transportvoertuig van een asfaltafvoergroef volgens conclusie 1, wordt gekenmerkt door het feit dat de detectie- inrichting bestaat uit: een zwevende bal; een positiesensor, die in de olieafvoergroef is aangebracht en in communicatieverbinding staat met de controller, om de positie van de zwevende bal te detecteren.The lifting system for an asphalt discharge groove over limit alarm transport vehicle according to claim 1, characterized in that the detecting device consists of: a floating ball; a position sensor, which is installed in the oil drain groove and communicates with the controller, to detect the position of the floating ball. 3. Het hijssysteem voor een over-limiet alarm transportvoertuig van een asfaltafvoergroef volgens conclusie 1, wordt gekenmerkt door het feit dat gekenmerkt door het feit dat het hijssysteem bestaat uit: een hydraulische cilinder, waarvan twee uiteinden scharnierend zijn verbonden met respectievelijk de basis en het ontlaadplatform; het hydraulische station is dienovereenkomstig verbonden met de hydraulische cilinder via een elektromagnetische klep en de elektromagnetische klep staat in communicatieverbinding met de controller.The hoisting system for an over-limit alarm transport vehicle of an asphalt discharge groove according to claim 1, characterized in that the hoisting system consists of: a hydraulic cylinder, two ends of which are hingedly connected to the base and the base, respectively unloading platform; the hydraulic station is accordingly connected with the hydraulic cylinder through a solenoid valve, and the solenoid valve is in communication with the controller. 4. Het hijssysteem voor een over-limiet alarm transportvoertuig van een asfaltafvoergroef volgens conclusie 1, wordt gekenmerkt door het feit dat gekenmerkt door het feit dat het hijssysteem verder bestaat uit een waarschuwingsinrichting omvat en de waarschuwingsinrichting in verbinding staat met de controller.The hoisting system for an over-limit alarm transport vehicle of an asphalt discharge groove according to claim 1, characterized in that the hoisting system further comprises a warning device and the warning device is in communication with the controller. 5. Het hijssysteem voor een over-limiet alarm transportvoertuig van een asfaltafvoergroef volgens conclusie 4, wordt gekenmerkt door het {feit dat de waarschuwingsinrichting is voorzien van twee hiervan, een van de waarschuwingsinrichting is aangebracht op de olieafvoergroef en de andere waarschuwingsinrichting is in de controlekamer geplaatst.5. The lifting system for an asphalt discharge groove over-limit alarm transport vehicle according to claim 4, characterized in that the warning device is provided with two of them, one of the warning device is mounted on the oil discharge groove, and the other warning device is in the control room placed. 6. Het hijssysteem voor een over-limiet alarm transportvoertuig van een olieafvoergroef volgens conclusie 5, wordt gekenmerkt door het feit dat de waarschuwingsinrichting een akoestisch-optische waarschuwingsinrichting is.The lifting system for an oil discharge groove over limit alarm transport vehicle according to claim 5, characterized in that the warning device is an acousto-optical warning device.
NL2032685A 2022-03-01 2022-08-04 Hoisting system for over-limit alarm transport vehicle of asphalt discharging groove NL2032685B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210191625.5A CN114249148B (en) 2022-03-01 2022-03-01 Asphalt oil discharge tank over-limit alarm transport vehicle lifting system

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NL2032685A true NL2032685A (en) 2022-11-09
NL2032685B1 NL2032685B1 (en) 2023-06-26

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CN113928879A (en) * 2021-11-11 2022-01-14 呼伦贝尔晟通糖业科技有限公司 Beet breakage-proof balanced feeding device for sugar production and application method

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