CN203705284U - Cutting tooth frictional wear test device - Google Patents
Cutting tooth frictional wear test device Download PDFInfo
- Publication number
- CN203705284U CN203705284U CN201320658006.9U CN201320658006U CN203705284U CN 203705284 U CN203705284 U CN 203705284U CN 201320658006 U CN201320658006 U CN 201320658006U CN 203705284 U CN203705284 U CN 203705284U
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- component
- pick
- frictional wear
- test device
- wear test
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Abstract
The utility model belongs to the technical field of cutting tooth performance test of coal mine machinery and in particular relates to a cutting tooth frictional wear test device which solves the problems existing in the conventional cutting tooth performance evaluation. The cutting tooth frictional wear test device comprises a driving component, a loading component, a clamping component, a grinding wheel component, a transmission component and a frame component, wherein the driving component drives the grinding wheel component to rotate through the transmission component; the loading component comprises a hydraulic cylinder; the hydraulic cylinder is connected with the clamping component; testing cutting teeth capable of adjusting the sliding and rotating positions are arranged on the clamping component. A frictional wear test of the cutting teeth under different mounting angles, cutting speed and pressures can be realized, and the wear resistance of the cutting teeth under the operating states that the mounting angle is 0-90 degrees, the linear velocity is 0-5m/s and the pressure is 0-30kN can be detected. Meanwhile, the cutting tooth frictional wear test device is basic equipment for researching an operating state of the cutting teeth, and basic test data can be provided for optimization design of cutting tooth parameters and design of an operating mechanism of mining machinery.
Description
Technical field
The utility model belongs to the technical field of coal mine machinery pick performance test, is specifically related to a kind of pick frictional wear test device.
Technical background
Pick is widely used service part in coal mine machinery, be mainly used on the equipment such as development machine, coalcutter, as the main consumables in Mine Production, wearing and tearing are its main failure forms, and therefore performance, ore deposit capacity of well and the economic benefit of the wearing quality of pick on extractive equipment all has larger impact.The parameter difference such as material, heat treatment mode and the version that each pick manufacturer is used are at present larger, cause its performance to have nothing in common with each other, and the wearing quality of correctly evaluating pick has great importance for mining machinery design and mine actual production.
Pick performance test generally adopts site industrial and two kinds of modes of pick cutting bench run at present, in the former course of work, influence factor is many, can not accurately judge the wear reason of pick, the latter's test findings is pick combination property, wearing quality Just One Of Those Things part, and due to the restriction of test period and condition, generally wearing and tearing are not too obvious.
Summary of the invention
The problems referred to above that the utility model exists in order to solve existing pick performance evaluation, provide a kind of pick frictional wear test device.
The utility model adopts following technical scheme to realize: pick frictional wear test device, comprise driven unit, charging assembly, clamping assembly, grinding wheel component, transmission component and housing assembly, driven unit drives grinding wheel component to rotate by transmission component, charging assembly comprises hydraulic jack, hydraulic jack connects clamping assembly, and the test pick that can adjust slip and turned position is installed on clamping assembly.
Described charging assembly comprises the pulling force sensor, hydraulic jack and the guide upright post that are positioned on same axis, pulling force sensor one end is fixed on housing assembly, other end connecting fluid compressing cylinder cylinder bottom, hydraulic cylinder piston rod end connects guide upright post bottom, and guide upright post upper guide is in the gathering sill being partially submerged on housing assembly.
On described guide upright post, be provided with can rotate to it also can be relatively its fixing contiguous block that turns to, turn to also its fixing sliding connection block relatively of its slip relatively, the free end installation test toothholder of sliding connection block be installed on contiguous block.Turn to contiguous block to be arranged on guide upright post by nut, and locate by screw; Sliding connection block is also positioned to be rotationally connected on piece by screw.
Described driven unit comprises the motor being fixed on frame, and motor output shaft connects small pulley, and small pulley connects large belt wheel by belt, and large belt wheel is installed on main shaft, is also connected with emery wheel on main shaft.
Described pick frictional wear test device also comprises guard assembly, and guard assembly comprises the transparent toughened glass that frame surrounding arranges.
The utility model has been realized the friction-wear test of pick under different setting angles, cutting speed and pressure, and can detect pick is 0 ° ~ 90 ° at setting angle, and linear velocity is 0 ~ 5m/s, the wearing quality of pick under the duty that pressure is 0 ~ 30kN; The utility model is also the infrastructure device of pick duty research simultaneously, can provide basic test figure for the design of pick Parameters Optimal Design and mining machinery working mechanism.
Accompanying drawing explanation
Fig. 1 is pick frictional wear test device structural representation,
Fig. 2 is that pick frictional wear test device is installed explosive view,
In figure: 1-driven unit; 2-charging assembly; 3-clamping assembly; 4-grinding wheel component; 5-guard assembly; 6-transmission component; 7-housing assembly; 8-frame; 9-pulling force sensor; 10-studs; 11-small pulley; 12-hoist cylinder; 13-motor; 14-guide upright post; 15-big nut; 16-turns to contiguous block; 17-is slidably connected soon; The toothholder of 18-installation testing pick; 19-standard emery wheel; 20-main shaft; The large belt wheel of 21-; 22-belt; 23-side tempered glass backplate; 24-front tempered glass backplate.
Embodiment
By reference to the accompanying drawings embodiment of the present utility model is further illustrated.
Pick frictional wear test device major function described in the utility model comprises that test pick is adjustable with respect to emery wheel angle, and the pressure of the relative emery wheel of pick is adjustable, and pick is adjustable with respect to the linear velocity of emery wheel.The utility model device comprises seven parts, as Fig. 1, i.e. and driven unit, charging assembly, clamping assembly, grinding wheel component, guard assembly, transmission component and housing assembly.Housing assembly is the basis of equipment, and other assembly is installed on housing assembly.The motor of driven unit drives grinding wheel component to rotate by transmission component, and motor adopts variable frequency control rotating speed, the object that the speed that reaches is adjustable.Charging assembly produces pressure by hydraulic jack, and the test pick that can adjust slip and turned position is installed on clamping assembly, reaches the object of its linear velocity of fine setting.Guard assembly adopts transparent material, not only can play protective action and can also clearly observe process of the test.
The contained part of each assembly with and mutual relationship as Fig. 2.Frame is a tower structure, and primary structure comprises the installation threaded hole of motor mounting hole, charging assembly guidepost, grinding wheel component mounting hole and guard assembly.The motor of driven unit is fixed in frame by 4 M16 × 50 screws, and the axle head of motor is connected with small pulley by flat key B12 × 50.Charging assembly is mainly made up of the pulling force sensor, telescopic oil cylinder and the guide upright post that are positioned on same axis, pulling force sensor one end is fixed in frame by M20 × 50 screw, the other end is connected with hoist cylinder cylinder bottom by studs, guide upright post targeting part is embedded in the gathering sill of frame installation portion, prevent that it from rotating, bottom is connected with cylinder piston rod by inserting straight pin 20 × 95.Hydraulic system is adjusted oil cylinder stroke according to the feedback data of pulling force sensor, realizes the pick of setting with respect to the pressure of emery wheel.The contiguous block that turns to of clamping assembly is arranged on guide upright post and can be rotated around it by big nut, when pick is on emery wheel when location positioning, fix by 2 M16 × 50 screw-drivings, one end of sliding connection block is arranged on and turns on contiguous block, and can slide thereon, be also to fix by 2 M16 × 50 screw-drivings.Turn to contiguous block and the position of the relative emery wheel of sliding connection block to realize the continuous variation of pick with respect to grinding speed by variable frequency adjustment motor speed, fine setting.The other end of sliding connection block is installed the test toothholder of adjustable angle by 2 M16 × 50 screws, changes with respect to the angle of emery wheel thereby realize pick.Grinding wheel component mainly comprises a circular normal sand wheel abrasive material, and process of the test medium plain emery wheel not only will rotate the pressure and the self gravitation that also need to bear pick, and the relative position relation of itself and frame is completed by main axle structure, and it is connected with main shaft with pallet by round nut.The rotation of emery wheel is by being arranged on the small pulley on large belt wheel, the motor on main shaft by flat key B18 × 50, both are realized by belt drives.Main shaft is not only subject to radial force and is also subject to axial force, need fix by the upper and lower surface that big or small two dish taper roll bearings are arranged on respectively frame.Positive and side has four transparent toughened glass as backplate, is arranged in frame by screw.
Claims (6)
1. a pick frictional wear test device, it is characterized in that comprising driven unit, charging assembly, clamping assembly, grinding wheel component, transmission component and housing assembly, driven unit drives grinding wheel component to rotate by transmission component, charging assembly comprises hydraulic jack, hydraulic jack connects clamping assembly, and the test pick that can adjust slip and turned position is installed on clamping assembly.
2. pick frictional wear test device according to claim 1, it is characterized in that described charging assembly comprises the pulling force sensor, hydraulic jack and the guide upright post that are positioned on same axis, pulling force sensor one end is fixed on housing assembly, other end connecting fluid compressing cylinder cylinder bottom, hydraulic cylinder piston rod end connects guide upright post bottom, and guide upright post upper guide is in the gathering sill being partially submerged on housing assembly.
3. pick frictional wear test device according to claim 2, it is characterized in that being provided with on described guide upright post can rotate to it also can be relatively its fix turn to contiguous block, turn to its its fixing sliding connection block relatively that slides also relatively, the free end installation test toothholder of sliding connection block are installed on contiguous block.
4. pick frictional wear test device according to claim 3, is characterized in that turning to contiguous block to be arranged on guide upright post by nut, and locates by screw; Sliding connection block is also positioned to be rotationally connected on piece by screw.
5. according to the pick frictional wear test device described in claim 1 or 2 or 3 or 4, it is characterized in that described driven unit comprises the motor being fixed on frame, motor output shaft connects small pulley, small pulley connects large belt wheel by belt, large belt wheel is installed on main shaft, on main shaft, be also connected with emery wheel, motor is variable-frequency motor.
6. pick frictional wear test device according to claim 4, is characterized in that it also comprises guard assembly, and guard assembly comprises the transparent toughened glass that frame surrounding arranges.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201320658006.9U CN203705284U (en) | 2013-10-24 | 2013-10-24 | Cutting tooth frictional wear test device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201320658006.9U CN203705284U (en) | 2013-10-24 | 2013-10-24 | Cutting tooth frictional wear test device |
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CN203705284U true CN203705284U (en) | 2014-07-09 |
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ID=51055705
Family Applications (1)
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CN201320658006.9U Withdrawn - After Issue CN203705284U (en) | 2013-10-24 | 2013-10-24 | Cutting tooth frictional wear test device |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103954517A (en) * | 2013-10-24 | 2014-07-30 | 中国煤炭科工集团太原研究院有限公司 | Pick friction and wear testing device |
CN104515714A (en) * | 2015-01-07 | 2015-04-15 | 北京林业大学 | High-speed high-temperature hydraulic load-adjustable knife-chip friction device and friction measuring method |
-
2013
- 2013-10-24 CN CN201320658006.9U patent/CN203705284U/en not_active Withdrawn - After Issue
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103954517A (en) * | 2013-10-24 | 2014-07-30 | 中国煤炭科工集团太原研究院有限公司 | Pick friction and wear testing device |
CN103954517B (en) * | 2013-10-24 | 2017-05-17 | 中国煤炭科工集团太原研究院有限公司 | Pick friction and wear testing device |
CN104515714A (en) * | 2015-01-07 | 2015-04-15 | 北京林业大学 | High-speed high-temperature hydraulic load-adjustable knife-chip friction device and friction measuring method |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
AV01 | Patent right actively abandoned |
Granted publication date: 20140709 Effective date of abandoning: 20170517 |
|
AV01 | Patent right actively abandoned |