CN208568656U - Electrical resistance collection bar in the online grain moisture content instrument of resistance-type - Google Patents

Abstract

The utility model relates to grain detection technique fields, more particularly to the electrical resistance collection bar in a kind of online grain moisture content instrument of resistance-type, including acquiring bar, acquisition bar quarter butt part is provided with blind hole, is equipped with movable plate in blind hole, conducting sphere is equipped with below movable plate, movable plate and acquisition bar are conductor, and acquisition bar can be rotated mutually with mounting base, and mounting base is fixed on fixed frame side, fixed frame is in long strip, and fixed frame both ends are mounted on the rack.It can be adjusted between present apparatus mounting rack and acquisition bar, the use of conducting sphere can make its friction between disk become smaller, it is lost also small, spring can drive movable plate downwardly against conducting sphere, and conducting sphere contacts always with disk, and resistance is constant in the entire test of holding, stop collar can effectively prevent spacing ball integrally to fall into blind hole, causing acquisition bar and disk not to reach influences last test result on test data inaccuracy, and whole device structure is simple, convenient disassembly.

Description

Electrical resistance collection bar in the online grain moisture content instrument of resistance-type

Technical field

The utility model relates to grain detection technique fields, and in particular to the electricity in a kind of online grain moisture content instrument of resistance-type Resistance acquisition bar.

Background technique

Moisture Meter also known as moisture teller are a kind of novel quick moisture detectors using the design of Ashing by thermogravimetric principle Device.Moisture teller is while measuring example weight, infrared heating unit and moisture evaporation channel rapid draing sample, dry During dry, the moisture content % that Moisture Meter test constantly and instant playback sample are lost is final to measure after the completion of drying program The locked display of moisture content value.Compared with international baking oven heating, infrared heating can be to reach most greatly in the shortest time Thermal power, sample is quickly dried at high temperature, and testing result and national standard Oven Method have good consistency, and having can replace Dai Xing, and detection efficiency is significantly larger than Oven Method.General sample only needs a few minutes that measurement can be completed, and measurement moisture in cereals contains Amount has accurate, quick, simple operation and other advantages, is the suitable measuring instrument of the departments such as grain and oil purchase, storage measurement moisture in cereals Device, it can also be used to which with the measurement of veriety, it is quick which can be widely applied to all needs for seeds company and other departments Measure moisture industry, such as medicine, grain, feed, seed, vegetable seed, dehydrated vegetables, tobacco, chemical industry, tealeaves, food, meat with And weave, in the laboratory and production process in the industries such as agricultural, papermaking, rubber, plastic cement, weaving.

The online grain moisture content instrument of resistance-type contacts the change according to resistance value in the water acquisition time bar and disk of detection grain Change to measure the water content of grain, key needs to guarantee that acquisition bar stabilization will not be moved when test, acquisition bar and disk contact area Greatly, in disk rotary motion, acquiring bar and disk can contact well always, can guarantee the one of sample resistance value well Cause property, plays a decisive role to test data, and (in long-time spin friction, contact portion resistance value is small between the two and begins It is constant eventually) this is accurate to test moisture, repeatability is most important, and the friction service life is long.

Utility model content

The purpose of the utility model is to overcome problems of the prior art, provide a kind of online grain water of resistance-type Divide the electrical resistance collection bar in instrument.

To realize above-mentioned technical purpose and the technique effect, the utility model is achieved through the following technical solutions :

A kind of electrical resistance collection bar in the online grain moisture content instrument of resistance-type, including acquisition bar, the acquisition bar is in L type, institute It states acquisition bar quarter butt part and is provided with blind hole, movable plate is equipped in the blind hole, is equipped with conducting sphere, the work below the movable plate Movable plate contacts always with conducting sphere, and the conducting sphere is stretched out from the port of blind hole, but not is fallen off from quarter butt, the movable plate It is conductor with acquisition bar, the acquisition bar can be rotated mutually with mounting base, and the mounting base is fixed on fixed frame side, described Fixed frame is in long strip, and the fixed frame both ends are mounted on the rack.

Further, spring is equipped in the blind hole, the spring one end is fixed on blind hole bottom surface, and the other end is fixed on work On movable plate.

Further, the surface that the movable plate is contacted with conducting sphere is recessed inwardly.

Further, the movable plate contacts always with blind hole side wall.

Further, the fixed restraining position ring block of the blind hole inner wall, the stop collar is between movable plate and blind hole bottom surface.

The utility model has the beneficial effects that mounting rack and acquisition bar between can relatively rotate i.e. according to acquisition bar position not With being adjusted, the use of conducting sphere can make its friction between disk become smaller, and loss is also small, and spring can drive activity Plate is downwardly against conducting sphere, when disk out-of-flatness, contacts conducting sphere always with disk, keeps in entire test resistance not Become, stop collar can effectively prevent spacing ball integrally to fall into blind hole, and acquisition bar and disk is caused not to reach to test data Inaccuracy influences last test result, and whole device structure is simple, and acquisition bar can not only be kept to contact and grind with disk It damages very small.

Detailed description of the invention

In order to illustrate more clearly of the technical solution of the utility model embodiment, make required for being described below to embodiment Attached drawing is briefly described, it should be apparent that, the drawings in the following description are merely some embodiments of the present invention, For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings Other attached drawings.

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the overall schematic of the utility model；

Fig. 3 is enlarged drawing at A in Fig. 2；

In attached drawing, parts list represented by the reference numerals are as follows:

1- acquires bar 2- blind hole 3- movable plate 4- conducting sphere 5- mounting base 6- fixed frame 7- rack 8- spring 9- Stop collar.

Specific embodiment

In order to be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, under Face will combine the attached drawing in the utility model embodiment, carry out to the technical scheme in the embodiment of the utility model clear, complete Ground description, it is clear that the described embodiments are only a part of the embodiments of the utility model, instead of all the embodiments.Base In the embodiments of the present invention, institute obtained by those of ordinary skill in the art without making creative efforts There are other embodiments, fall within the protection scope of the utility model.

In the description of the utility model, it should be noted that the side of the instructions such as term "vertical", "upper", "lower", "horizontal" Position or positional relationship be orientation based on the figure or positional relationship, be merely for convenience of description this it is practical and simplification retouch State, rather than indicate or imply that signified device or element must have a particular orientation, with specific orientation construction and Operation, therefore should not be understood as limiting the present invention.In addition, " first ", " second ", " third ", " the 4th " are only used for Purpose is described, and should not be understood as indicating or implying relative importance.

In the description of the utility model, it is also necessary to which explanation " is set unless otherwise specific regulation and limitation, term Set ", " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, Or be integrally connected, it can be mechanical connection, be also possible to be electrically connected, can be and be directly connected to, be also possible to through intermediate matchmaker It is situated between and is connected, can be the connection inside two elements.It for the ordinary skill in the art, can be as the case may be Understand the concrete meaning of above-mentioned term in the present invention.

As shown in attached drawing 1 to 3, a kind of electrical resistance collection bar in the online grain moisture content instrument of resistance-type, including acquisition bar 1, it adopts It is L-shaped to collect bar 1, acquisition 1 quarter butt part of bar is provided with blind hole 2, and movable plate 3 is equipped in blind hole 2, is equipped with conducting sphere below movable plate 3 4, movable plate 3 contacts always with conducting sphere 4, and conducting sphere 4 is stretched out from the port of blind hole 2, but not is fallen off from quarter butt, movable plate 3 with acquisition bar 1 be conductor, acquisition bar 1 can mutually be rotated with mounting base 5, mounting base 5 is fixed on 6 side of fixed frame, fixed frame 6 is in long strip, and 6 both ends of fixed frame are mounted in rack 7.

Spring 8 is equipped in blind hole 2,8 one end of spring is fixed on 2 bottom surface of blind hole, and the other end is fixed on movable plate 3, in circle When piece surface irregularity, spring 8 can be such that movable plate 3 contacts always with conducting sphere 4, guarantee that resistance is constant when test.

The surface that movable plate 3 is contacted with conducting sphere 4 is recessed inwardly, and pushes down conducting sphere 4 convenient for movable plate 3,.

Movable plate 3 contacts always with 2 side wall of blind hole, can guarantee that movable plate 3 will not turn on one's side in blind hole 2, and due to Movable plate 3 and acquisition bar 1 are conductor, so as to avoid poor contact.

2 inner wall of blind hole fixes restraining position ring block 9, and for stop collar 9 between 2 bottom surface of movable plate 3 and blind hole, stop collar 9 can It effectively prevent conducting sphere 4 integrally to fall into blind hole 2, causes conducting sphere 4 not contact with disk, influence the variation of resistance, thus shadow Ring the accuracy of test.

In use, first fixed frame 6 is mounted in rack 7, then mounting base 5 is screwed on fixed frame 6, root According to the position of disk, the position of acquisition bar 1 is adjusted, then fixes acquisition bar 1 with screw-nut with mounting base 5, it is conductive at this time Ball 4 is contacted with disk, and spring 8 is in compressive state, disk rotation, and conducting sphere 4 can be relatively rotated with disk, the two contact area Small, the abrasion of the two is also small, and when disk out-of-flatness, under the action of spring 8, conducting sphere 4 can contact always with disk, works as chance To when big fluctuation, limit, 9 will limit movable plate 3, prevent conducting sphere 4 from falling into blind hole 2, and cause conducting sphere 4 and disk It not reaching, whole device structure is simple, and it is easy to disassemble, it can guarantee that the data of test are accurate, wear small.

The preferred embodiment in the utility model disclosed above is only intended to help to illustrate the utility model.Preferred embodiment is simultaneously There is no the details that detailed descriptionthe is all, also not limiting the utility model is only the specific embodiment.Obviously, according to this theory The content of bright book can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to preferably The principles of the present invention and practical application are explained, so that skilled artisan be enable to better understand and utilize this Utility model.The utility model is limited only by the claims and their full scope and equivalents.

Claims (5)

1. the electrical resistance collection bar in a kind of online grain moisture content instrument of resistance-type, including acquisition bar (1), which is characterized in that described to adopt Collection bar (1) is L-shaped, and acquisition bar (1) the quarter butt part is provided with blind hole (2), is equipped with movable plate (3) in the blind hole (2), described Conducting sphere (4) are equipped with below movable plate (3), the movable plate (3) contacts always with conducting sphere (4), and the conducting sphere (4) is from blind The port in hole (2) is stretched out, but not is fallen off from quarter butt, and the movable plate (3) and acquisition bar (1) are conductor, the acquisition Bar (1) can be rotated mutually with mounting base (5), and the mounting base (5) is fixed on fixed frame (6) side, and the fixed frame (6) is in length Strip, fixed frame (6) both ends are mounted on rack (7).

2. the electrical resistance collection bar in the online grain moisture content instrument of resistance-type according to claim 1, which is characterized in that described blind Spring (8) are equipped in hole (2), described spring (8) one end is fixed on blind hole (2) bottom surface, and the other end is fixed on movable plate (3).

3. the electrical resistance collection bar in the online grain moisture content instrument of resistance-type according to claim 1, which is characterized in that the work The surface that movable plate (3) is contacted with conducting sphere (4) is recessed inwardly.

4. the electrical resistance collection bar in the online grain moisture content instrument of resistance-type according to claim 1, which is characterized in that the work Movable plate (3) contacts always with blind hole (2) side wall.

5. the electrical resistance collection bar in the online grain moisture content instrument of resistance-type according to claim 1, which is characterized in that described blind Hole (2) inner wall is fixed restraining position ring block (9), and the stop collar (9) is between movable plate (3) and blind hole (2) bottom surface.