CN206146577U - Automatic leveling formula straw pull -out tester of doing all can - Google Patents
Automatic leveling formula straw pull -out tester of doing all can Download PDFInfo
- Publication number
- CN206146577U CN206146577U CN201621080108.7U CN201621080108U CN206146577U CN 206146577 U CN206146577 U CN 206146577U CN 201621080108 U CN201621080108 U CN 201621080108U CN 206146577 U CN206146577 U CN 206146577U
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- China
- Prior art keywords
- workbench
- spheroid
- sleeve
- dead man
- handwheel
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Abstract
The utility model belongs to the technical field of the technique of measuring force and specifically relates to an automatic leveling formula straw pull -out tester of doing all can. Including vertical maintain the body, clamping mechanism, hoist mechanism and support, vertical maintain the body includes the workstation, spheroid sleeve and closing device, the department is put at the central point of workstation to the setting of spheroid sleeve, and be located the workstation, the telescopic bottom of spheroid is fixed with long square bulge, be equipped with hoist mechanism in the telescopic inner chamber of spheroid, the sphere is personally submitted to the telescopic outward appearance of spheroid, the telescopic surface of spheroid cooperatees with the workstation, the spheroid sleeve rotates in the workstation, make hoist mechanism and clamping mechanism keep vertical direction under the action of gravity, closing device's one end is spherically and contacts with the spheroid sleeve, hoist mechanism includes pull -out hand wheel, screw sleeve, pull -out pole and answers variant force sensor that the center of pull -out pole is equipped with cavity, the bottom and the clamping mechanism fixed connection of pull -out pole. Its simple structure, convenient operation, measurement straw pull -out that can be accurate does all can.
Description
Technical field
The utility model is related to measure the technical field of power, especially a kind of automatic leveling formula stalk pulling force tester.
Background technology
With the development of rural economy in recent years, most area stalk farmland is carried out it is no-tillage, minimal till, to the greatest extent may be used
Can reduction farming, and with seeding corn and other crops improving straw mulching earth's surface, bite with water so as to reducing wind and biting, increase soil fertility and cold-resistant
Ability.For this crop processing mode, the seeder with cutting corn rootstalk ability and tillage machinery are generated, and root stubble is pulled out
Except apparatus.
When the physico mechanical characteristic of stalk pulling attachment or harvesting apparatus and stalk is studied, be required for stalk with
The adhesion of soil and required pulling force are measured, but the mechanical property of cane is due to soil environment, crop growthing state
It is different there is very big difference, so needing a measuring apparatus to provide accurate pulling force parameter.
The prosperity of stalk crop root is typically combined more closely with soil, and pulling force is very big, existing tester one
As be all to be made according to test, affected larger by the means of testing of pulling force during actual test, therefore can only be rough
Ground is determined and extracts power of the crop with needed for stubble, and acts that to pull out tester complicated, carries inconvenient, and field stability of strutting system is poor, puts
Pulling force after rising on rear side of stress is not plummet power, it is impossible to accomplishes that vertical rising is pulled out according to specific environment, easily deviates actual numerical value
And it cannot be guaranteed that at the uniform velocity loading, or even generation moment of torsion can be rotated.Domestic at present also rising without easily accurate measurement pulls out stalk
The survey tool of stress intensity so that this scientific research project lacks data parameters, related equipment cannot meet the market demand, development
Also stagnate always.
Utility model content
The purpose of this utility model be solve prior art present in can not vertically rise pull out, pulling force determine it is inaccurate
Problem, it is proposed that a kind of automatic leveling formula stalk pulling force tester, its simple structure is easy to operate, can accurately survey
Amount stalk pulling force.
The technical solution of the utility model is：A kind of automatic leveling formula stalk pulling force tester, wherein, including vertically guarantor
Hold mechanism, clamp system, hoisting mechanism and support；
The vertical maintaining body includes workbench, spheroid sleeve and hold down gag, and spheroid sleeve is arranged on workbench
Center position, and in workbench, the bottom of spheroid sleeve is fixed with rectangle projection, is provided with the inner chamber of spheroid sleeve
Hoisting mechanism, the outer surface of spheroid sleeve is spherical in shape, and the outer surface of spheroid sleeve is engaged with workbench, and spheroid sleeve is in work
Rotate in platform, make hoisting mechanism and clamp system keep vertical direction under gravity, one end of hold down gag it is spherical in shape and
With spheroid barrel contacts；
The hoisting mechanism has included pulling out handwheel, screw shell, dead man and strain tension sensor has been played, in playing dead man
The heart is provided with cavity, and the bottom for playing dead man is fixedly connected with clamp system, and strain tension sensor has been arranged on dead man and clamping
The fixed connection place of mechanism, screw shell is arranged in spheroid sleeve, has been fixed with the top of screw shell and has been pulled out handwheel, thread bush
The internal thread of cylinder cooperates with the external screw thread for playing dead man, and the outer surface for playing dead man is provided with long keyway, the length of spheroid sleeve bottom
Square protruding is engaged with the long keyway for playing dead man；
The clamp system includes that clamping handwheel, flat thread disk connecting rod, pawl refers to and plane threaded disk, flat thread
The upper end of disk connecting rod has been arranged in the cavity of dead man, and the top of flat thread disk connecting rod is fixed with clamping handwheel, plane
The bottom of threaded disk connecting rod is fixedly connected with flat thread disk, and the bottom surface disc surfaces of flat thread disk are provided with plane spiral shell
Line, several pawls refer to that decile is arranged on flat thread；
Also include three supports, three supports circumferentially wait a point setting, one end and the workbench of support to be hinged along workbench, institute
Support is stated for telescopic sleeve, including adjustable feet and telescope support, telescope support is hinged with workbench, and adjustable feet is logical
Cross pin to be connected with telescope support.
The workbench includes part and part under workbench on workbench, and workbench bottom is partly fixed on workbench
The top divided, hold down gag is provided with workbench between part and workbench bottom point, and at the top of spheroid sleeve spheroid is fixed with
Socket cover.
The hold down gag includes briquetting, threaded rod and handwheel, and one end of threaded rod is provided with briquetting, threaded rod
The other end is provided with handwheel, and briquetting is arranged in workbench, and briquetting is sphere, the sphere and spheroid set towards the side of spheroid sleeve
The outer surface of cylinder is engaged, and the outer surface of threaded rod is provided with screw thread, corresponding that internal thread, threaded rod are provided with workbench
External screw thread be engaged with the internal thread in workbench, handwheel is arranged on the outside of workbench.By hold down gag spheroid set
Cylinder is compressed on the table, makes to be relatively rotated between spheroid sleeve and workbench, can be thus to complete vertically
Next step after adjustment is prepared.
Described dead man is in inverted T shape, plays dead man bottom and is rigidly connected by bolt with clamp system, strain-type pull sensing
The two ends of device have been arranged on the connecting bolt of dead man and clamp system.Just can be proposed by measuring the change of power on bolt
Pull out force.
The workbench is provided with display screen, and pressure sensor is connected with dynamometry instrument.Opening dynamometry instrument switch is carried out
Measurement, and the power numerical value measured accurately is shown on a display screen.
Bearing is provided between the screw shell and spheroid sleeve, described bearing can adopt cone bearing.
Pawl is provided with the outside of the flat thread disk and refers to shell, pawl refers to that shell is fixed by connecting rod with the bottom for playing dead man
Connection.When the link rotatable with flat thread disk, it is simultaneously close along housing slide that flat thread just refers to four pawls
Or away from center, when four pawls refer to close center simultaneously stalk can be just clamped.By rotate clamp handwheel change four paws it
Between gap, because pawl refers to disk be engaged by flat thread, after disk rotational certain angle, four pawls refer to same phase
Mutual close a certain distance, the structure can be realized by controlling rotational angle and then controlling clamping force and the steadily mesh such as clamping
's.
The beneficial effects of the utility model：
(1) by spheroid sleeve, hoisting mechanism and clamp system is made to remain vertical direction under gravity, it is real
Now vertical drawing, the pulling force for obtaining side is more accurate；
(2) spheroid sleeve is extruded by hold down gag, spheroid sleeve is pressed together with workbench, make spheroid sleeve not
Relatively rotate, prepare to complete clamping and lifting after vertically adjusting；
(3) using Zhao Zhi discs clamps mechanism, realize that each pawl refers to using flat thread equidistant toward and away from can be with
Stalk is smoothly clamped, and suitable clamping degree can be selected according to the actual conditions of stalk, the problems such as be not likely to produce loosening；
(4) rotating clamping handwheel can just clamp stalk, rotate drawing handwheel and can be carried out drawing operation, clamp and carry
The action for rising can be carried out individually, will not be influenced each other, simple and convenient；
(5) by playing being threadedly coupled between dead man and screw shell, well the lifting of dead man has been controlled, while passing through
The rectangle of spheroid sleeve bottom is raised to be coordinated with long keyway that is playing dead man, has made will not phase between dead man and screw shell
To rotating；
(6) reduce that domestic original stalk is ergographic to be affected by practical problems such as landform, and can be according to support angle
Change the angle of leg, improve instrument grabs ground ability and adaptive faculty；
(7) overall structure is simple, and operation is simple, is easy to maintenance.
Description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structural representation of vertical maintaining body；
Fig. 3 is the structural representation of hold down gag；
Fig. 4 is the structural representation of hoisting mechanism；
Fig. 5 is the raised structural representation coordinated with long keyway of rectangle；
Fig. 6 is the structural representation of flat thread disk.
In figure：1 clamps handwheel；2 are pulled out handwheel；3 workbench；4 hold down gags；401 briquettings；402 threaded rods；403 hands
Wheel；5 dead mans；6 supports；7 pawls refer to；8 pawls refer to shell；9 display screens；10 vertical maintaining bodies；11 screw shells；12 spheroid sets
Cylinder；Part under 13 workbench；14 rectangles are raised；15 bearings；Part on 17 workbench；18 spheroid socket covers；20 flat threads
Disk connecting rod；23 flat thread disks；24 connecting rods；25 flat threads.
Specific embodiment
The utility model is further described with reference to the accompanying drawings and examples.
The automatic leveling formula stalk pulling force tester include vertical maintaining body 10, clamp system, hoisting mechanism and
Support 6.
As shown in Fig. 2 vertically maintaining body 10 includes workbench 3, spheroid sleeve 12, spheroid socket cover 18 and hold down gag
4, wherein workbench 3 includes part 13 under part 17 on workbench and workbench, and part 17 is fixed under workbench on workbench
The top of part 13, hold down gag 4 is provided with workbench under part 17 and workbench between part 13.Spheroid sleeve 12 is arranged on
The center position of workbench 3, and in workbench 3.The top of spheroid sleeve 12 is fixed with spheroid socket cover 18, spheroid set
The bottom of cylinder 12 is provided with rectangle projection 14.Hoisting mechanism, the outer surface of spheroid sleeve 12 are provided with the inner chamber of spheroid sleeve 12
Spherical in shape, the outer surface of spheroid sleeve 12 is engaged with workbench 3.Because the contact surface of spheroid sleeve and workbench is sphere,
Therefore spheroid sleeve can be rotated in workbench, no matter now how workbench is put, under gravity, spheroid sleeve 12
Axis will all the time be in vertical state.As shown in figure 3, hold down gag includes briquetting 401, threaded rod 402 and handwheel 403,
One end of threaded rod 402 is provided with briquetting 401, and the other end of threaded rod 402 is provided with handwheel 403, and briquetting 401 is arranged on work
In platform 3, briquetting 401 is sphere towards the side of spheroid sleeve 12, and the sphere is engaged with the outer surface of spheroid sleeve 12, screw thread
The outer surface of connecting rod 402 is provided with screw thread, corresponding that internal thread, external screw thread and the work of threaded rod 402 are provided with workbench
Internal thread in platform is engaged, and handwheel 403 is arranged on the outside of workbench.Handwheel 403 is rotated, drives threaded rod 402 to rotate,
It is achieved thereby that threaded rod 402 is movable, when briquetting 401 is moved to be contacted with spheroid sleeve 12, spheroid set is realized
The compression of cylinder 12, can thus be pressed on spheroid sleeve 12 on workbench 3, make between spheroid sleeve 12 and workbench 3 not
Can relatively rotate, so as to the next step after to complete vertically adjustment is prepared.By vertical maintaining body, lift structure is made
Vertical direction is remained with clamp system, vertical drawing is realized, so that the pulling force that side obtains is more accurate.
As depicted in figs. 1 and 2, the hoisting mechanism has included pulling out handwheel 2, screw shell 11, bearing 15, an and of dead man 5
Strain tension sensor.It is in inverted T shape to play dead man 5, and the center for playing dead man 5 is provided with cavity, plays bottom and the clamp system of dead man 5
It is fixedly connected, in the present embodiment, plays dead man and be rigidly connected by bolt with clamp system.Screw shell 11 is arranged on spheroid sleeve
In 12, bearing 15 is provided between screw shell 11 and spheroid sleeve 12, the bearing in the present embodiment adopts cone bearing.Thread bush
The top of cylinder 11 has been fixed with pulls out handwheel 2, and having rotated screw shell 11 when pulling out handwheel 2 can be with rotatable around its axis.Screw shell
11 internal thread cooperates with the external screw thread for playing dead man 5, while the outer surface for playing dead man 5 is provided with long keyway, spheroid sleeve bottom
The rectangle in portion raised 14 is engaged with the long keyway for playing dead man, as shown in Figure 5.When rotated pull out handwheel 2 when, screw shell 11
Rotate, coordinated by the screw thread risen between dead man 5 and screw shell 11, screw shell rotation one is enclosed, play dead man and just rise a spiral shell
Away from, can be very good control lifted；Meanwhile, matched somebody with somebody by the rectangle of the bottom of spheroid sleeve 12 raised 14 and the long keyway for playing dead man
Close, when screw shell 11 is rotated, due to the restriction that rectangle is raised, playing a dead man 5 can only rise or fall, rise dead man rising or
Without relative rotation between workbench during decline and after compression, therefore the stalk after clamping can only move up and down without revolving
Turn.The two ends of strain tension sensor have been arranged on the connecting bolt of dead man and clamp system, by measuring power on bolt
Change just can draw pulling force.Workbench 3 is provided with display screen 9, and pressure sensor is connected with dynamometry instrument, opens dynamometry one
Play switch to measure, and the power numerical value measured accurately is shown on a display screen.
As shown in Fig. 1, Fig. 4 and Fig. 6, the clamp system includes clamping handwheel 1, flat thread disk connecting rod 20, connecting rod
24th, pawl refers to that 7, pawl refers to shell 8 and plane threaded disk 23, and the upper end of flat thread disk connecting rod 20 has been arranged on the sky of dead man 5
In chamber, the top of flat thread disk connecting rod 20 is fixed with clamping handwheel 1, bottom and the plane spiral shell of flat thread disk connecting rod 20
Line disk 23 is fixedly connected, and the bottom surface circular surface of flat thread disk is provided with flat thread 25, and four pawls refer to that 7 grades point are installed
On flat thread 25.The outside of flat thread disk 23 is provided with pawl and refers to shell 8, and pawl refers to shell 8 by connecting rod 24 and a dead man 5
Bottom be fixedly connected.When flat thread disk connecting rod 20 is rotated, it is suitable that the screw thread on flat thread disk 23 refers to four pawls
Housing slide simultaneously closer or far from center, when four pawls refer to close center simultaneously stalk can be just clamped.By rotating
The gap that handwheel changes between four paws is clamped, is engaged by flat thread between disk because pawl refers to, disk rotational is certain
After angle, four pawls refer to a certain distance close to each other simultaneously, and the structure can be realized by controlling rotational angle and then controlling
The purpose such as clamping force and steady clamping.
The utility model includes three supports 6, and three supports 6 circumferentially wait point setting, one end of support 6 and a work along workbench
Connect as table-hinges, in the present embodiment, the support adopts telescopic sleeve, including adjustable feet and telescope support, telescope support
It is hinged with workbench, adjustable feet is connected by pin with telescope support.In the rough landform in field, can be according to reality
The angle and height of situation adjustment telescope support, while the angle of leg according to the difference of support angle, can be adjusted, improves
Instrument grabs ground ability and adaptive faculty, and then consolidates measuring instrument, it is ensured that the accuracy of measurement.
The course of work of the tester is as described below：The tester is put into behind field, first the angle of adjusting bracket and
Highly, measuring instrument is consolidated and is placed on field；Then, by the rotation of spheroid sleeve in vertical maintaining body, and by compressing
Device fixes the position of spheroid sleeve, makes hoisting mechanism and clamp system remain vertical direction, realizes that vertical direction draws
Pull out, make the pulling capacity for measuring more accurate；Next, clamped stalk by clamp system, then by hoisting mechanism by straw
Stalk is pulled up, and during pulling up, the value of thrust that sensing is obtained is passed to dynamometer by strain tension sensor, the pulling force for measuring
Value can be intuitively embodied on display screen 9, be easy to people to read.
Claims (8)
1. a kind of automatic leveling formula stalk pulling force tester, it is characterised in that：Including vertical maintaining body (10), clamping machine
Structure, hoisting mechanism and support (6)；
The vertical maintaining body (10) includes workbench (3), spheroid sleeve (12) and hold down gag (4), spheroid sleeve (12)
The center position of workbench (3) is arranged on, and in workbench (3), the bottom of spheroid sleeve (12) is fixed with long projection
(14) hoisting mechanism, is provided with the inner chamber of spheroid sleeve (12), the outer surface of spheroid sleeve (12) is spherical in shape, spheroid sleeve (12)
Outer surface be engaged with workbench (3), spheroid sleeve is rotated in workbench, make hoisting mechanism and clamp system gravity make
With lower holding vertical direction, one end of hold down gag (4) it is spherical in shape and with spheroid barrel contacts；
The hoisting mechanism has included pulling out handwheel (2), screw shell (11), has played dead man (5) and strain tension sensor, rises and pulls out
The center of bar (5) is provided with cavity, and the bottom for playing dead man (5) is fixedly connected with clamp system, and strain tension sensor is arranged on
The fixed connection place of dead man (5) and clamp system is played, screw shell (11) is arranged in spheroid sleeve (12), screw shell (11)
Top be fixed with and pulled out handwheel (2), the internal thread of screw shell (11) cooperates with the external screw thread for playing dead man (5), rises and pulls out
The outer surface of bar (5) is provided with long keyway, and rectangle projection (14) of spheroid sleeve bottom is engaged with the long keyway for playing dead man；
The clamp system includes clamping handwheel (1), flat thread disk connecting rod (20), claw (7) and plane threaded disk
(23), the upper end of flat thread disk connecting rod (20) has been arranged in the cavity of dead man (5), flat thread disk connecting rod (20)
Top is fixed with clamping handwheel (1), and the bottom of flat thread disk connecting rod (20) is fixedly connected with flat thread disk (23), puts down
The bottom disc surface of face threaded disk is provided with flat thread (25), and several claw (7) deciles are arranged on flat thread；
Also include three supports (6), three supports (6) circumferentially wait a point setting, one end and the work table-hinges of support (6) along workbench
Connect, the support is telescopic sleeve, including adjustable feet and telescope support, telescope support is hinged with workbench, adjustable
Leg is connected by pin with telescope support.
2. automatic leveling formula stalk pulling force tester according to claim 1, it is characterised in that：The workbench (3)
Including part (13) under part (17) on workbench and workbench, part (17) is fixed on part (13) under workbench on workbench
Top, be partly provided with hold down gag (4), the top of spheroid sleeve (12) between (13) under part (17) and workbench on workbench
Portion is fixed with spheroid socket cover (18).
3. automatic leveling formula stalk pulling force tester according to claim 1 and 2, it is characterised in that：It is described to compress dress
Put including briquetting (401), threaded rod (402) and handwheel (403), one end of threaded rod (402) is provided with briquetting (401), spiral shell
The other end of line connecting rod (402) is provided with handwheel (403), and briquetting (401) is arranged in workbench (3), and briquetting (401) is towards spheroid
The side of sleeve (12) is sphere, and the sphere is engaged with the outer surface of spheroid sleeve (12), the outer surface of threaded rod (402)
It is provided with screw thread, corresponding to be provided with internal thread in workbench, the internal thread phase in the external screw thread of threaded rod (402) and workbench
Coordinate, handwheel (403) is arranged on the outside of workbench.
4. automatic leveling formula stalk pulling force tester according to claim 1, it is characterised in that：Described dead man (5)
In inverted T shape, play dead man bottom and be rigidly connected by bolt with clamp system, the two ends of strain tension sensor have been arranged on pulls out
On the connecting bolt of bar and clamp system.
5. automatic leveling formula stalk pulling force tester according to claim 1, it is characterised in that：The workbench (3)
Display screen (9) is provided with, pressure sensor is connected with dynamometry instrument.
6. automatic leveling formula stalk pulling force tester according to claim 1, it is characterised in that：The screw shell
(11) bearing (15) is provided with and spheroid sleeve (12) between.
7. automatic leveling formula stalk pulling force tester according to claim 6, it is characterised in that：Described bearing is cone
Shape bearing.
8. automatic leveling formula stalk pulling force tester according to claim 1, it is characterised in that：The flat thread circle
The surface of disk is provided with claw shell (8), and claw shell (8) is fixedly connected by connecting rod (24) with the bottom for playing dead man (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621080108.7U CN206146577U (en) | 2016-09-26 | 2016-09-26 | Automatic leveling formula straw pull -out tester of doing all can |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621080108.7U CN206146577U (en) | 2016-09-26 | 2016-09-26 | Automatic leveling formula straw pull -out tester of doing all can |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206146577U true CN206146577U (en) | 2017-05-03 |
Family
ID=58621093
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621080108.7U Expired - Fee Related CN206146577U (en) | 2016-09-26 | 2016-09-26 | Automatic leveling formula straw pull -out tester of doing all can |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206146577U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107036748A (en) * | 2017-06-09 | 2017-08-11 | 山东农业大学 | A kind of corn stubble pulls up dynamometer |
| CN107860711A (en) * | 2017-11-06 | 2018-03-30 | 河南科技学院 | Plant pulls up strength analyzer |
| CN107962526A (en) * | 2017-11-23 | 2018-04-27 | 重庆思御科技有限公司 | A kind of new stiff sheet pull-up |
-
2016
- 2016-09-26 CN CN201621080108.7U patent/CN206146577U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107036748A (en) * | 2017-06-09 | 2017-08-11 | 山东农业大学 | A kind of corn stubble pulls up dynamometer |
| CN107036748B (en) * | 2017-06-09 | 2023-04-07 | 山东农业大学 | Corn stubble pulling-up dynamometer |
| CN107860711A (en) * | 2017-11-06 | 2018-03-30 | 河南科技学院 | Plant pulls up strength analyzer |
| CN107962526A (en) * | 2017-11-23 | 2018-04-27 | 重庆思御科技有限公司 | A kind of new stiff sheet pull-up |
| CN107962526B (en) * | 2017-11-23 | 2023-11-17 | 爱化身科技(北京)有限公司 | Novel hard sheet pulling device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20170503 Termination date: 20170926 |