CN202916099U - Washboard type moving farm machine detecting platform - Google Patents
Washboard type moving farm machine detecting platform Download PDFInfo
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- CN202916099U CN202916099U CN 201220171754 CN201220171754U CN202916099U CN 202916099 U CN202916099 U CN 202916099U CN 201220171754 CN201220171754 CN 201220171754 CN 201220171754 U CN201220171754 U CN 201220171754U CN 202916099 U CN202916099 U CN 202916099U
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- brake force
- table top
- force test
- test desk
- epoxy resin
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Abstract
The utility model discloses a washboard type moving farm machine detecting platform, wherein a table top of a test bench is coated with an anti-skid coating. The technical scheme is that the washboard type moving farm machine detecting platform comprises a front guide plate, a rear guide plate, an axle load table, a brake force test bench and a hydraulic oil pump, wherein an anti-skid coating is coated on the table top of the brake force test bench. Further, the anti-skid coating is formed by bonding an epoxy resin layer coated on the table top of the brake force test bench and a high-hardness granular layer coated on the epoxy resin layer. By adopting the technical scheme of the utility model, the friction force between tires and the ground can be really reflected by the washboard type moving farm machine detecting platform.
Description
Technical field
The present invention relates to a kind of mobile washboard agricultural machinery monitor station.
Background technology
The quality of agricultural machinery brake performance directly affects the security of travelling, and the generation of many agricultural machineries' accidents is exactly to cause owing to braking ability is bad.Therefore, in the annual test annual examination of agricultural machinery, for the detection of braking ability, be an important Detection of content.
Along with developing rapidly of the vast rural mechanization of agriculture of China, the quantity of agricultural machinery increases severely, and simultaneously, the security performance detection of agricultural machinery is also had higher requirement.At present, most of counties and cities agricultural machinery safety supervision department has been configured the agricultural machinery monitor station, also claims damping force agricultural machinery detection line, damping force agricultural machinery monitor station, but because the test board of selecting is different, causes test result there are differences.
Current, the braking and the employed washboard-type mobile agricultural machine of the axle test monitor station that are used for agricultural machinery, the mesa structure of its test damping force is for to weld metallic mesh at the metal platen, perhaps be processed into the zigzag striped at the metal bedplate surface, increase the contact strength of tire and table top, simulate the situation that contacts on tire and ground.But the application simulation tire contacts not rigorous with metallic mesh, zigzag striped, the data error of surveying also larger.Brought potential safety hazard for the detection of agricultural machinery.
Summary of the invention
The present invention is directed to the deficiency that present technology exists, a kind of washboard-type mobile agricultural machine monitor station is provided, can better strengthen the friction force of tire and the testing stand of tested vehicle, truly reflect tire and frictional ground force situation, provide definite, reliable data for the braking of agricultural machinery detects.
The present invention provides a kind of method that applies nonskid coating at washboard-type mobile agricultural machine brake force test desk table top simultaneously, can be so that emery fully penetrate in the epoxy resin, and the nonskid coating bonding of epoxy resin and particles of silicon carbide combination is firmly.
The present invention has adopted following technical scheme:
Washboard-type mobile agricultural machine monitor station comprises: front guided plate, rear guided plate, Platform balance for shaft weight, brake force test desk, hydraulic oil pump apply nonskid coating at the brake force test desk table top.
Further, be coated with higher bonding formation of stratum granulosum of hardness of spilling on the described nonskid coating, the epoxy resin layer of being smeared by the brake force test desk table top and its.
Further, described nonskid coating, the epoxy resin layer of being smeared by the brake force test desk table top and semi-convex be embedded in higher bonding formation of stratum granulosum of hardness in the epoxy resin.
Further, the stratum granulosum that described hardness is higher is the particles of silicon carbide layer.
Adopt the washboard-type mobile agricultural machine monitor station of scab technique to have following good technique effect:
1, washboard-type mobile agricultural machine brake force test desk table top adopts coated with gold emery technique, and epoxy resin is fully mixed with emery, is coated on the washboard-type mobile agricultural machine brake force test desk table top.True reflection tire and frictional ground force, friction factor can reach more than 0.85, is better than national standard.
2, sensing range is wide.Can detect the brake safe performance of the large-scale agricultural machinery such as the small-scale agricultural machinery such as walking agricultural machine and super-huge united reaper.
3, fitted shaft re-detection of the present invention consists of complex, then has a detection speed fast, accuracy of detection
Height, conveniently moving operates succinct characteristics, and vehicle once passes through, and detects discriminating data and all finishes.
The present invention applies the method for nonskid coating at washboard-type mobile agricultural machine brake force test desk table top, its step is as follows:
The first step: at first with precessing saw dentate stripe on the described brake force test desk table top;
Second step: the brake force test desk table top is eliminated rust;
The 3rd step: the brake force test desk table top after rust cleaning is smeared one deck epoxy resin, and evenly shakeouts;
The 4th step: on epoxy resin, evenly be coated with and spill particles of silicon carbide and evenly shakeouing;
The 5th step: particles of silicon carbide is collected together pressure repeatedly, make emery fully penetrate in the epoxy resin;
The 6th step: the brake force test desk table top is cleared up, removed unnecessary epoxy resin and the particles of silicon carbide of brake force test desk table top periphery;
The 7th step: the epoxy resin to the brake force test desk table top carries out hyperthermia drying, and bake out temperature is 100～120 ℃, drying time 5～50min;
The 8th the step: on the brake force test desk table top of smearing epoxy resin and particles of silicon carbide after the oven dry, again smear one deck epoxy resin, and evenly shakeout, then according to the above-mentioned the 4th to the step to the 7th the step the step repetitive operation once.
Further, the method of precessing saw dentate stripe is on the described brake force test desk table top: the brake force test desk table top is fixed on the planer processing plane, select suitable feed velocity, the brake force test desk table top is processed, and a side of channeling becomes plumbness with table top, and the degree of depth is not more than 2 millimeters, and the feed of successively decreasing along vertical plane to opposite side, at a distance of 10 millimeters, whole table top engrail after being shaped, thereby the adhesion of increase particles of silicon carbide.
Further, the described brake force test desk table top is eliminated rust adopts chemical derusting method, concrete steps to be,
The first step: the brake force test desk table top that is shaped is dipped in the acid solution;
Second step: acid pickling and rust removing, processing of rust removing temperature are controlled at 20～60 ℃, processing time 5～50min;
The 3rd step: clear water flushing;
The 4th step: alkali lye neutralization:
The 5th step: cold water flush:
The 6th one: the hot water injection;
The 7th step: the brake force test desk table top is carried out hyperthermia drying, prevent again oxidation and rusting of workpiece.
Further, described acid solution per distribution ratio is: industrial sulphuric acid 13.2～19.3, technical hydrochloric acid 19.9～28.4, sodium chloride 66.2～51.5, KC corrosion inhibiter 0.7～0.8.
Better, described particles of silicon carbide hardness is Mohs 9.
Better, described particles of silicon carbide diameter is 850um-1180um.
Brake force test desk table top at the agricultural machinery monitor station adopts coating nonskid coating method of the present invention, so that emery fully penetrates in the epoxy resin, the nonskid coating of epoxy resin and particles of silicon carbide bonding is firm, long service life, good braking effect.
Description of drawings
Accompanying drawing 1 is the cross-section structure simplified schematic diagram of an embodiment of the present invention;
Accompanying drawing 2 is the cross-section structure schematic detail view of an embodiment of the present invention.
Accompanying drawing 3 is the plan structure schematic diagram of an embodiment of the present invention.
Among the figure: 1, front guided plate; 2, rear guided plate; 3, Platform balance for shaft weight; 4, brake force test desk; 5, nonskid coating; 6, table top.
Embodiment
Washboard-type mobile agricultural machine monitor station generally has and measures the heavy and two kinds of functions of damping force of axle, and therefore, the agricultural machinery monitor station also is known as braking forces measuring platform or brake force test desk, monitor station.Agricultural vehicle is being carried out annual test when annual examination, can travel by the front guided plate 1 of agricultural machinery monitor station into, and driven off by rear guided plate 2.Platform balance for shaft weight 3 can be used for the heavy measurement of axle, by computer measurement and metering.
Described front guided plate 1 plate face, be by the lenticular shaped diamond plate bend, both sides are by back up pad and the plane is angled is welded, and have handle aperture at the supported on both sides plate, are convenient to assembling, carrying, an end of diamond plate has two pin-and-holes, docks with Platform balance for shaft weight 3.
Described Platform balance for shaft weight 3 is prepared burden, cuts, is welded by steel plate.Platform balance for shaft weight 3 stage bodies are inner to be reinforced with two stiffening plates, weight that weighing plate bears is strengthened, axle retransmits sensor and is connected with stage body by bolt, the sensor below is lined with lower bolster, be lined with upper holder block with the table top contact site, and weld together with the Platform balance for shaft weight table top, sensor is connected with aviation plug by wire, and be connected with extraneous main control computer, all be equipped with in the both sides of Platform balance for shaft weight stage body and front guided plate 1 and the connecting hole that joins with brake platform, connecting pin, the stage body down either side has handle aperture, convenient for assembly, carrying.
The table top of brake force test desk 4 is the metal table top, and namely the brake force test desk table top 6.The below is equipped with hydraulic cylinder and pressure transducer.During test, the trailing wheel of agricultural machinery is sailed on the brake force test desk 4, out of supply and brake.Under the driving of hydraulic cylinder, force brake force test desk 4 mobile backward, brake force test desk 4 drives trailing wheel and rotates, and brake force test desk 4 is produced skid, and converts through relevant, and the power that reflect on the pressure transducer this moment is exactly the damping force of vehicle.
Brake force test desk 4 requirements can be simulated the actual conditions that tire contacts with ground.Presently used is to weld metallic mesh at the test bedplate surface, and the simulation tire contacts not rigorous with ground, to survey data error larger.
The present invention adopts scab technique, at the brake force test desk table top 6 of brake force test desk 4 nonskid coating 5 is set, and nonskid coating 5 specifically can be realized by coating processes (seeing following painting method for details).
A kind of scheme is: be coated with higher bonding formation of stratum granulosum of hardness of spilling on the described nonskid coating 5, the epoxy resin layer of being smeared by brake force test desk table top 6 surfaces and its.
Another kind of scheme is, described nonskid coating 5, the epoxy resin layer of being smeared by brake force test desk table top 6 surfaces and semi-convex be embedded in higher bonding formation of stratum granulosum of hardness in the epoxy resin.
The stratum granulosum that above-described hardness is higher is the particles of silicon carbide layer.
The brake force test desk of this structure can truly reflect tire and frictional ground force, and friction factor can reach more than 0.85, is better than national standard.
Emery claims again brown corundum, is the sepia diamantine that makes through melting reduction in electric furnace with alumina, carbon materials, three kinds of raw materials of iron filings.Its chemical analysis: main chemical is AL
2O
3, other contains a small amount of Fe, Si, Ti etc.Wherein, aluminium oxide A1
2O
395%-97.5%, silicon dioxide SiO
2＜1%, titania TiO
21.5-3.9%, di-iron trioxide Fe
2O
3＜0.25%.Emery belongs to abrasive material commonly used, and hardness is moderate, and bulk density is high, without free silica, and than great, good toughness, dependable performance is stable.
Apply the method for nonskid coating 5 at brake force test desk table top 6, its step is as follows:
The first step: at first with precessing saw dentate stripe on the described brake force test desk table top 6;
Second step: brake force test desk table top 6 is eliminated rust;
The 3rd step: the brake force test desk table top 6 after rust cleaning is smeared one deck epoxy resin, and evenly shakeouts;
The 4th step: on epoxy resin, evenly be coated with and spill particles of silicon carbide and evenly shakeouing;
The 5th step: particles of silicon carbide is collected together pressure repeatedly, make emery fully penetrate in the epoxy resin;
The 6th step: brake force test desk table top 6 is cleared up, removed unnecessary epoxy resin and the particles of silicon carbide of 6 peripheries of brake force test desk platform;
The 7th step: the epoxy resin to brake force test desk table top 6 carries out hyperthermia drying, and bake out temperature is 100～120 ℃, drying time 5～50min;
The 8th the step: on the brake force test desk table top 6 of smearing epoxy resin and particles of silicon carbide after the oven dry, again smear one deck epoxy resin, and evenly shakeout, then according to the above-mentioned the 4th to the step to the 7th the step the step repetitive operation once.
Further, the method of precessing saw dentate stripe is on the described brake force test desk table top 6: brake force test desk platform 6 faces are fixed on the planer processing plane, select suitable feed velocity, brake force test desk table top 6 is processed, and a side of channeling becomes plumbness with table top, and the degree of depth is not more than 2 millimeters, and the feed of successively decreasing along vertical plane to opposite side, at a distance of 10 millimeters, whole table top engrail after being shaped, thereby the adhesion of increase particles of silicon carbide.
Described brake force test desk table top 6 is eliminated rust adopted the chemical derusting method, and concrete steps are:
The first step: the brake force test desk table top 6 that is shaped is dipped in the acid solution;
Second step: acid pickling and rust removing, processing of rust removing temperature are controlled at 20～60 ℃, processing time 5～50min;
The 3rd step: clear water flushing;
The 4th step: alkali lye neutralization:
The 5th step: cold water flush:
The 6th one: the hot water injection;
The 7th step: brake force test desk table top 6 is carried out hyperthermia drying, prevent again oxidation and rusting of workpiece.
Further, described acid solution per distribution ratio is: industrial sulphuric acid 13.2～19.3, technical hydrochloric acid 19.9～28.4, sodium chloride 66.2～51.5, KC corrosion inhibiter 0.7～0.8.
Emery is selected hardness (exerting spectrum) 2050kg/mm2; (Mohs) 9; Color is generally selected dark-brown; Palm fibre corundum granularity sand adopts the 12#--20# specification, and diameter adopts about 850um-1180um better.
Obviously, those skilled in the art person adopts the material of other similarities, also can reach same effect; Other other distortion and substitute modes on the art of this patent scheme basis are also within the protection domain that this patent requires to limit.
Claims (4)
1. washboard-type mobile agricultural machine monitor station, comprising: front guided plate, rear guided plate, Platform balance for shaft weight, brake force test desk, hydraulic oil pump is characterized in that:
Apply nonskid coating at the brake force test desk table top.
2. by washboard-type mobile agricultural machine monitor station claimed in claim 1, it is characterized in that:
Be coated with higher bonding formation of stratum granulosum of hardness of spilling on the described nonskid coating, the epoxy resin layer of being smeared by the brake force test desk table top and its.
3. by washboard-type mobile agricultural machine monitor station claimed in claim 1, it is characterized in that:
Described nonskid coating, the epoxy resin layer of being smeared by the brake force test desk table top and semi-convex be embedded in higher bonding formation of stratum granulosum of hardness in the epoxy resin.
4. by claim 2 or 3 described washboard-type mobile agricultural machine monitor stations, it is characterized in that:
The stratum granulosum that described hardness is higher is the particles of silicon carbide layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220171754 CN202916099U (en) | 2012-04-23 | 2012-04-23 | Washboard type moving farm machine detecting platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220171754 CN202916099U (en) | 2012-04-23 | 2012-04-23 | Washboard type moving farm machine detecting platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202916099U true CN202916099U (en) | 2013-05-01 |
Family
ID=48164404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220171754 Expired - Lifetime CN202916099U (en) | 2012-04-23 | 2012-04-23 | Washboard type moving farm machine detecting platform |
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| Country | Link |
|---|---|
| CN (1) | CN202916099U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103604613A (en) * | 2013-11-25 | 2014-02-26 | 山东科大微机应用研究所有限公司 | Fixed washboard type agricultural machinery braking performance detector |
-
2012
- 2012-04-23 CN CN 201220171754 patent/CN202916099U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103604613A (en) * | 2013-11-25 | 2014-02-26 | 山东科大微机应用研究所有限公司 | Fixed washboard type agricultural machinery braking performance detector |
| CN103604613B (en) * | 2013-11-25 | 2016-03-23 | 山东科大微机应用研究所有限公司 | Fixing washboard-type farm machinery brake performance detector |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130501 |
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| CX01 | Expiry of patent term |