CN1096266A - The metering method of loader carrying capacity and device thereof - Google Patents
The metering method of loader carrying capacity and device thereof Download PDFInfo
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- CN1096266A CN1096266A CN 94104100 CN94104100A CN1096266A CN 1096266 A CN1096266 A CN 1096266A CN 94104100 CN94104100 CN 94104100 CN 94104100 A CN94104100 A CN 94104100A CN 1096266 A CN1096266 A CN 1096266A
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Abstract
The present invention is used for metering method and the device thereof that hydraulic loader directly measures carrying capacity.It is by the quality of the hydraulic efficiency pressure system measurement loose unpacked material of measurement loader, and its device is made up of scraper bowl, boom cylinder, threeway, pressure pipe, valve, pressure sensor, measurement display instrument and chopping machine, sound and light display, automobile battery, power inverter.After loader is installed its gauging device, can carry out fast automatic weighing, cumulative calculation, numeric display and printing to the loose unpacked material of shipment, metering error is less than 2%.It is low that it has a cost, make loader not be subjected to environment, site limitation and can be accurately, advantage such as metering rapidly.
Description
The present invention is used for method and the device thereof that hydraulic loader measures carrying capacity.
Loader is the main tool of station, harbour, camp site shipment loose unpacked material.Now the loader itself that uses does not adopt method and the device thereof that quality is directly measured as yet preferably, when the shipment material, often will go weighing to weighbridge far away, and is not only time-consuming, but also increased operating cost.
Goal of the invention of the present invention is exactly the measurement problem that will solve the loader carrying capacity.Adopt the method that quality is directly measured preferably, and the configuration corresponding device thereof, make loader have function of measuring, accomplish not to be subjected to environment, site limitation and can be accurately, metering promptly.
Metering method and device thereof that the present invention proposes are the quality of measuring loose unpacked material by the way of measuring loader hydraulic system pressure.Because the scraper bowl of loader is when a certain assigned address, oil pressure in the hydraulic efficiency pressure system and the interior quality of material variation in direct ratio of scraper bowl.On the chargine line of boom cylinder, install a threeway additional,, link to each other with sensor again so that connect pressure pipe such as wire braided hose.When swing arm runs to assigned address, when the limiting stopper on the swing arm is run into the limit switch that is fixed on the fuselage, thereby the power connection of sound, optical display unit sends sound and light.At this moment, the pressure signal in the boom cylinder becomes electric signal by sensor, through lead input measurement display instrument, amplifies, filtering and analogue to digital conversion become numerical information, and carry out quick computing and logic determines.Like this, just realize fast automatic weighing, carried out the action such as storage, cumulative calculation, numeric display, printing of automatic weighing result.Measure the working power of display instrument, through power inverter, provide the voltage stabilizing source of AC, perhaps, when adopting direct supply formula display instrument, can no longer adopt inverter by automobile battery.
Sound and light display by the limiting stopper on the swing arm, be fixed on the limit switch on the fuselage, electric sounder, fixed point metering indicator lamp is constituted.
When shovel dress material, the loader scraper bowl that travels forward is subjected to resistance, and the motion of swing arm is tied to the boom cylinder piston rod and moves, and surpasses under the situation of specified value at oil circuit pressure, and above-mentioned valve is just closed oil circuit, the unlikely damage of protection sensor.Valve can be pressure limiting cut-off valve or solenoid electric valve or directly not adopt the wide range pressure sensor by valve.
In other words, this loader comprises scraper bowl (1), boom cylinder (2) and measuring system with the gauging device of carrying capacity, it is characterized in that:
A. threeway (3) is connected on scraper bowl (1) is gone up on the chargine line of the boom cylinder of lifting (2), and link to each other with an end of pressure pipe (4), the other end of pressure pipe (4) passes through valve (5) or does not directly link to each other with pressure sensor (6) by valve (5), pressure sensor (6), measure display instrument and chopping machine (7), power inverter (9) or directly do not adopt direct supply formula display instrument, automobile battery (8) to connect by lead successively by power inverter (9)
B. set sound and light display is by the limiting stopper that is provided with on swing arm (12), limit switch (K) with can be with above-mentioned limiting stopper (12) thus in the swing arm motion process, collide and make stationkeeping that electric sounder (11) in the circuit, fixed point metering indicator lamp (10) and power supply (E) be switched on or switched off on fuselage in assigned address.
Above-mentioned sound and light display is made of with fixed point metering indicator lamp (10) limiting stopper (12), limit switch (K), electric sounder (11), and sounder (11) and fixed point metering indicator lamp (10) are connected in the circuit by limit switch (K) respectively.
Above-mentioned pressure hose (4) is the braided steel wire pipe.
Above-mentioned valve (5) is pressure limiting cut-off valve or solenoid electric valve.
Above-mentioned pressure sensor (6) adopts the wide range pressure sensor when promptly this gauging device does not use power inverter (9) by power inverter (9) in the total system connection procedure.
The selected measurement display instrument of gauging device that the present invention proposes has the function of microprocessor, can automatic zero set, steady and audible, the reliable operation of gamma correction, demonstration numeral, energy consumption low (about 10VA).Because it is little to measure display instrument and power inverter equal-volume, can be installed in the operator's compartment of loader and hinder the work of chaufeur.The fast automatic weighing of this gauging device energy, cumulative calculation, numeric display and printing.Therefore, easy and simple to handle, chaufeur can attach operation, does not need to arrange in addition metrological personnel.After loader was installed this gauging device, the loose unpacked material one scraper bowl one scraper bowl ground railroad car of packing into, when being accumulated to the burden rating of railway carriage, through repeatedly actual measurement, its error was less than 2%.Stipulate that than railway transportation department positive and negative two tons of each 60 tons or 50 tons of railway carriage carrying capacity permissible errors (promptly 4%) is also low.Thereby overload fine, the underload economic loss of paying freight charges have been reduced; Also avoided the waste of railway transportation capability.Through experiment repeatedly, fully obtain relevant department certainly, allowed to use this gauging device control dress train as Yunnan Province's Dongchuan City Bureau of Technical Supervision, railway transportation department also advises promoting the use.Above-mentioned effect has realized goal of the invention of the present invention substantially.
Below in conjunction with accompanying drawing the present invention is further described.
Fig. 1 is a connection scheme drawing of the present invention.
Fig. 2 is a sound and light display electrical schematic diagram of the present invention.
Each label explanation in the lump in an embodiment among the figure.
Embodiment 1(is with reference to Fig. 1)
The metering method of this loader carrying capacity, it measures the process of quality by the variation of measuring hydraulic efficiency pressure system pressure.Detailed process is, directly measure the quality of loose unpacked material by the hydraulic efficiency pressure system of measuring loader, promptly, on the chargine line of the boom cylinder (2) by being loaded on loading shovel (1), the pressure sensor (6) that is used to measure liquid pressure is measured the sensing electric signal of contained quality on the scraper bowl, receive above-mentioned sensing electric signal and conversion by measuring display instrument (7), demonstrate contained quality, by be arranged at the limiting stopper (12) on the swing arm and be arranged at limit switch (K) and the above-mentioned measurement display instrument (7) on the fuselage thus supporting use realizes the fixed point metering.
Embodiment 2(is with reference to Fig. 1, Fig. 2)
Loading shovel (1) by swing arm link to each other with boom cylinder (2), threeway (3) is connected on the chargine line that makes on the scraper bowl oil cylinder when lifting, so that be connected with pressure pipe (4).When scraper bowl (1) when rising to specified altitude assignment, when the limiting stopper on the boom cylinder (12) was run into the limit switch (K) that is fixed on the fuselage, circuit was connected, and sound and light display is successively sounded and light.One end of valve (5) and pressure pipe (4) link, and the other end and pressure sensor (6) link.Also pressure pipe (4) directly can be linked omission valve (5) with pressure sensor (6).Pressure sensor (6) will this moment fuel injection pressure signal change electric signal into, by lead input measurement display instrument (7), amplify, filtering and analogue to digital conversion become digital signal and demonstrate weighing result, and store, cumulative calculation, print weighing result.Measure the power supply of display instrument (7), provide the voltage stabilizing source of AC through power inverter (9) by original automobile battery (8).Power inverter (9) links with lead and measurement display instrument (7), automobile battery (8) respectively.
Rise to specified altitude assignment at loading shovel (1), limiting stopper on the swing arm (12), with be fixed on fuselage on limit switch (K) when successively contacting, energized, the sounder (11) and the fixed point metering indicator lamp (10) that are connected in the circuit are successively sounded respectively and light, remind the operator to note metering.
Pressure pipe of the present invention (4) can be a wire braided hose, or metal tube.
Claims (7)
1, a kind of metering method of loader carrying capacity, it comprises the process of measuring quality by the variation of measuring hydraulic efficiency pressure system pressure, it is characterized in that: the quality of directly measuring loose unpacked material by the hydraulic efficiency pressure system of measuring loader.
2, metering method according to the described loader carrying capacity of claim 1, it is characterized in that the quality that above-mentioned direct hydraulic efficiency pressure system by the measurement loader is measured loose unpacked material is meant, on the chargine line of the boom cylinder (2) by being loaded on loading shovel (1), the pressure sensor (6) that is used to measure liquid pressure is measured the sensing electric signal of contained quality on the scraper bowl, receive above-mentioned sensing electric signal and conversion by measuring display instrument (7), demonstrate contained quality, by be arranged at the limiting stopper (12) on the swing arm and be arranged at limit switch (K) and the above-mentioned measurement display instrument (7) on the fuselage thus supporting use realizes the fixed point metering.
3, a kind of gauging device of loader carrying capacity, it comprises scraper bowl (1), boom cylinder (2) and measuring system, it is characterized in that:
A. threeway (3) is connected on scraper bowl (1) is gone up on the chargine line of the boom cylinder of lifting (2), and link to each other with an end of pressure pipe (4), the other end of pressure pipe (4) by valve (5) with or directly do not link to each other with pressure sensor (6) by valve (5), pressure sensor (6), measurement display instrument and chopping machine (7) are by power inverter (9) or directly do not adopt direct supply formula display instrument by power inverter (9), automobile battery (8) is connected by lead successively
B. set sound and light display by the limit switch (K) on the limiting stopper that is provided with on the swing arm (12), fuselage can with above-mentioned limiting stopper (12) thus in the swing arm motion process, collide and make stationkeeping that electric sounder (11) in the circuit, fixed point metering indicator lamp (10) and power supply (E) be switched on or switched off on fuselage in assigned address.
4, gauging device according to claim 3, it is characterized in that above-mentioned sound and light display is made of with fixed point metering indicator lamp (10) limiting stopper (12), limit switch (K), electric sounder (11), sounder (11) and fixed point metering indicator lamp (10) are connected in the circuit by limit switch (K) respectively.
5, gauging device according to claim 3 is characterized in that above-mentioned pressure hose (4) is the braided steel wire pipe.
6,, it is characterized in that above-mentioned valve (5) is pressure limiting cut-off valve or solenoid electric valve according to claim 4 or 5 described gauging devices.
7, gauging device according to claim 3 is characterized in that above-mentioned pressure sensor (6) adopts the wide range pressure sensor when promptly this gauging device does not use power inverter (9) by power inverter (9) in the total system connection procedure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94104100 CN1096266A (en) | 1994-04-06 | 1994-04-06 | The metering method of loader carrying capacity and device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94104100 CN1096266A (en) | 1994-04-06 | 1994-04-06 | The metering method of loader carrying capacity and device thereof |
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| Publication Number | Publication Date |
|---|---|
| CN1096266A true CN1096266A (en) | 1994-12-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 94104100 Pending CN1096266A (en) | 1994-04-06 | 1994-04-06 | The metering method of loader carrying capacity and device thereof |
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| Country | Link |
|---|---|
| CN (1) | CN1096266A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1642761B (en) * | 2002-03-13 | 2011-05-04 | 米其林技术公司 | Method and system for advocating tires for use and for calculating on site inflation pressures of said tires for a construction vehicle |
| CN106592662A (en) * | 2016-12-16 | 2017-04-26 | 上海新增鼎数据科技有限公司 | Loader metering system for feeding chemical raw materials |
| CN114729518A (en) * | 2019-12-16 | 2022-07-08 | 株式会社小松制作所 | Working machine, measurement method, and system |
-
1994
- 1994-04-06 CN CN 94104100 patent/CN1096266A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1642761B (en) * | 2002-03-13 | 2011-05-04 | 米其林技术公司 | Method and system for advocating tires for use and for calculating on site inflation pressures of said tires for a construction vehicle |
| CN106592662A (en) * | 2016-12-16 | 2017-04-26 | 上海新增鼎数据科技有限公司 | Loader metering system for feeding chemical raw materials |
| CN114729518A (en) * | 2019-12-16 | 2022-07-08 | 株式会社小松制作所 | Working machine, measurement method, and system |
| CN114729518B (en) * | 2019-12-16 | 2023-09-19 | 株式会社小松制作所 | Work machine, measurement method, and system |
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| C01 | Deemed withdrawal of patent application (patent law 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |