CN210639141U

CN210639141U - A kind square frame for alfalfa sampling

Info

Publication number: CN210639141U
Application number: CN201921275119.4U
Authority: CN
Inventors: 杨晓霞; 俞旸; 董全民
Original assignee: Qinghai University; Qinghai Academy of Animal Science and Veterinary Medicine
Current assignee: Qinghai University; Qinghai Academy of Animal Science and Veterinary Medicine
Priority date: 2019-08-08
Filing date: 2019-08-08
Publication date: 2020-05-29
Anticipated expiration: 2029-08-08

Abstract

The utility model discloses a kind square frame for alfalfa sampling, the protective housing comprises a protective housing, the appearance square frame has been placed to the upper surface of protective housing, two sets of symmetrical first spouts, every are seted up to the inside wall of protective housing the equal joint in inside of first spout has the first slider with first spout looks adaptation, the backup pad has been placed to the inside of protective housing, a side fixed connection that the left and right sides face of backup pad is close to each other with two sets of first sliders respectively, two sets of slide openings have been seted up to the bottom surface of protective housing. This a kind square frame for alfalfa sampling realizes increasing stability to the backup pad, avoids appearing the backup pad and swings at the removal in-process appearance, when reaching preset position, the stall handle rotates inside the handle card goes into the snap ring, realizes carrying on spacingly to the gear, prevents that the phenomenon that overturns from appearing in the gear, leads to the phenomenon of protective housing decline to take place, avoids kicking the appearance square frame turn over and the phenomenon that the staff often stooped.

Description

A kind square frame for alfalfa sampling

Technical Field

The utility model relates to an alfalfa technical field specifically is a kind of square frame for alfalfa sampling.

Background

Alfalfa is a generic name of alfalfa plants, most of which are perennial herbaceous plants and are various, wherein alfalfa is the most widely distributed cultivar at present. The alfalfa contains rich nutrient substances, has good palatability and high nutritional value, is not only a main high-quality forage grass for herbivorous livestock, but also an important protein and vitamin supplement feed in compound feeds for pigs, poultry and fish.

In a field test, when the alfalfa is sampled, a sample square frame which is usually used is directly placed on the ground, but the plant with the height of more than 50 cm is very inconvenient when the alfalfa is sampled, in the sample square frame placing process, the alfalfa to be sampled is extremely easy to break and other damages, meanwhile, the growing of the alfalfa around the sample square frame is seriously influenced, the sampling difficulty of workers is increased, and the waist of the workers is injured.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a kind of square frame for alfalfa sampling to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a sample square frame for sampling alfalfa comprises a protective shell, wherein a sample square frame is placed on the upper surface of the protective shell, two groups of symmetrical first sliding grooves are formed in the inner side wall of the protective shell, a first sliding block matched with the first sliding grooves is clamped in each first sliding groove, a supporting plate is arranged in the protective shell, the left side surface and the right side surface of the supporting plate are respectively fixedly connected with one side surface of the two groups of first sliding blocks which are close to each other, two groups of sliding holes are arranged on the bottom surface of the protective shell, two groups of supporting rods are fixedly connected with the bottom surface of the supporting plate, the bottom end of each supporting rod penetrates through the sliding hole and extends to the lower part of the sliding hole, the back fixedly connected with of backup pad is two sets of symmetrical fixed plates, every the left surface of fixed plate all is fixed to inlay has first bearing, every group all placed the gear between the fixed plate.

Symmetrical recess has been seted up to the inside of protective housing, every the equal fixedly connected with chain in inside of recess, every the chain all meshes with the gear mutually, the second spout has been seted up to the inside wall of protective housing, the inside joint of second spout has the second slider with second spout looks adaptation, the right flank fixed mosaic of second slider has the second bearing, the third spout has been seted up to the inside wall of protective housing, the inside joint of third spout have with the third slider of third spout looks adaptation, the right flank fixed mosaic of third slider has the third bearing, the bull stick has been placed on the right side of protective housing, the left end of bull stick runs through third spout, third bearing, two sets of first bearing and two gears in proper order and with the inner circle fixed connection of second bearing, the right-hand member of bull stick has the handle through the fixed hinge joint of round pin axle.

Preferably, every the equal fixedly connected with backing plate in bottom surface of bracing piece, every the equal fixedly connected with swash plate of the left and right sides face of bracing piece, every the bottom surface of swash plate all is connected with the last fixed surface of backing plate.

Preferably, two limiting blocks are placed in front of each groove, and the back surfaces of the limiting blocks are fixedly connected with the inner wall of the protective shell.

Preferably, the right side surface of the protective shell is fixedly connected with two clamping rings.

Preferably, the upper surface of the protective shell is fixedly connected with a limiting ring, and the inner wall of the limiting ring is in contact with the outer surface of the sample frame.

Advantageous effects

The utility model provides a kind square frame for alfalfa sampling possesses following beneficial effect: this a kind square frame for alfalfa sampling, drive gear through rotating the handle and rotate, gear revolve passes through the chain and moves down, the realization carries out the downstream to the backup pad, the backup pad is through steady removal under the cooperation of first slider and first spout, the realization is to backup pad increase stability, avoid appearing the backup pad at the removal in-process swing that appears, when reaching preset position, the stall handle, it goes into inside the snap ring with the handle card to rotate the handle card, it is spacing to realize carrying on the gear, prevent that gear revolve and lead to the phenomenon emergence that the protective housing descends, avoid kicking the phenomenon of turning over and staff often stoop with kind square frame.

Drawings

Fig. 1 is a sectional view of the front view of the protective shell of the present invention;

fig. 2 is a sectional view of a top view of the protective shell of the present invention;

fig. 3 is an enlarged schematic view of a structure shown in fig. 2 according to the present invention.

In the figure: the device comprises an inclined plate 1, a supporting rod 2, a sliding hole 3, a first sliding block 4, a first sliding groove 5, a protective shell 6, a groove 7, a limiting ring 8, a square frame 9, a limiting block 10, a chain 11, a clamping ring 12, a supporting plate 13, a handle 14, a rotating rod 15, a backing plate 16, a second sliding groove 17, a second sliding block 18, a second bearing 19, a gear 20, a third bearing 21, a third sliding block 22, a third sliding groove 23, a fixing plate 24 and a first bearing 25.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a sample frame for sampling alfalfa comprises a protective shell 6, wherein a limiting ring 8 is fixedly connected to the upper surface of the protective shell 6, the inner wall of the limiting ring 8 is in contact with the outer surface of a sample frame 9, the sample frame 9 is limited through the limiting ring 8, the sample frame 9 is prevented from sliding, two clamping rings 12 are fixedly connected to the right side surface of the protective shell 6, a handle 14 is limited through the clamping rings 12, a gear 20 is prevented from reversing, the sample frame 9 is placed on the upper surface of the protective shell 6, two groups of symmetrical first sliding grooves 5 are formed in the inner side wall of the protective shell 6, a first sliding block 4 matched with the first sliding grooves 5 is clamped in each first sliding groove 5, a supporting plate 13 is placed in the protective shell 6, the left side surface and the right side surface of the supporting plate 13 are respectively and fixedly connected with one side surface, close to the two groups of the first sliding blocks 4, two groups of sliding holes 3 are formed in the bottom surface of, the equal fixedly connected with swash plate 1 of the left and right sides face of every bracing piece 2, the bottom surface of every swash plate 1 all is connected with the last fixed surface of backing plate 16, increase the area of contact with the bottom surface through backing plate 16, prevent to appear empting the phenomenon, two sets of bracing pieces 2 of bottom surface fixedly connected with of backup pad 13, the bottom of every bracing piece 2 all runs through slide opening 3 and extends to the below of slide opening 3, two sets of symmetrical fixed plates 24 of back fixedly connected with of backup pad 13, the equal fixed mosaic of left surface of every fixed plate 24 has first bearing 25, gear 20 has all been placed between every fixed plate 24.

Symmetrical grooves 7 are formed in the protective shell 6, two limiting blocks 10 are placed right in front of each groove 7, the back face of each limiting block 10 is fixedly connected with the inner wall of the protective shell 6, the gear 20 is limited through the limiting blocks 10, the gear 20 is prevented from being incapable of rotating, a chain 11 is fixedly connected inside each groove 7, each chain 11 is meshed with the gear 20, a second sliding groove 17 is formed in the inner side wall of the protective shell 6, a second sliding block 18 matched with the second sliding groove 17 is clamped inside the second sliding groove 17, a second bearing 19 is fixedly embedded in the right side face of the second sliding block 18, a third sliding groove 23 is formed in the inner side wall of the protective shell 6, a third sliding block 22 matched with the third sliding groove 23 is clamped inside the third sliding groove 23, a third bearing 21 is fixedly embedded in the right side face of the third sliding block 22, a rotating rod 15 is placed on the right side of the protective shell 6, the left end of the rotating rod 15 sequentially penetrates through the third sliding chute 23, the third bearing 21, the two groups of first bearings 25 and the two gears 20 and is fixedly connected with the inner ring of the second bearing 19, and the right end of the rotating rod 15 is fixedly hinged with a handle 14 through a pin shaft.

The working principle is as follows: the handle 14 is rotated to drive the gear 20 to rotate, the gear 20 rotates to move downwards through the chain 11, the gear 20 moves downwards to drive the supporting plate 13 to move downwards, the supporting plate 13 stably moves under the matching of the first sliding block 4 and the first sliding groove 5, the supporting plate 13 moves downwards to drive the supporting rod 2 to move downwards, the supporting rod 2 moves downwards to jack up the protective shell 6, when the preset position is reached, the handle 14 stops rotating, and the handle 14 is rotated to be clamped into the clamping ring 12.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A kind square frame for alfalfa sampling, includes protective housing (6), its characterized in that: a sample frame (9) is placed on the upper surface of the protective shell (6), two sets of symmetrical first sliding grooves (5) are formed in the inner side wall of the protective shell (6), each first sliding groove (5) is clamped with a first sliding block (4) matched with the first sliding groove (5), a supporting plate (13) is placed in the protective shell (6), the left side surface and the right side surface of the supporting plate (13) are fixedly connected with a side surface of the two sets of first sliding blocks (4) close to each other, two sets of sliding holes (3) are formed in the bottom surface of the protective shell (6), two sets of supporting rods (2) are fixedly connected to the bottom surface of the supporting plate (13), the bottom end of each supporting rod (2) penetrates through the sliding hole (3) and extends to the lower side of the sliding hole (3), and two sets of symmetrical fixing plates (24) are fixedly connected to the back surface of the supporting plate (13, a first bearing (25) is fixedly embedded in the left side face of each fixing plate (24), and a gear (20) is arranged between each group of fixing plates (24);

symmetrical recess (7) have been seted up to the inside of protective housing (6), every the equal fixedly connected with chain (11) in inside of recess (7), every chain (11) all mesh with gear (20) mutually, second spout (17) have been seted up to the inside wall of protective housing (6), the inside joint of second spout (17) has second slider (18) with second spout (17) looks adaptation, the right flank of second slider (18) is fixed to be inlayed and is had second bearing (19), third spout (23) have been seted up to the inside wall of protective housing (6), the inside joint of third spout (23) has third slider (22) with third spout (23) looks adaptation, the right flank of third slider (22) is fixed to be inlayed and is had third bearing (21), bull stick (15) have been placed on the right side of protective housing (6), the left end of bull stick (15) runs through third spout (23) in proper order, The third bearing (21), the two groups of first bearings (25) and the two gears (20) are fixedly connected with the inner ring of the second bearing (19), and the right end of the rotating rod (15) is fixedly hinged with a handle (14) through a pin shaft.

2. A template box for alfalfa sampling according to claim 1, characterized in that: every the equal fixedly connected with backing plate (16) in bottom surface of bracing piece (2), every the equal fixedly connected with swash plate (1) of the left and right sides face of bracing piece (2), every the bottom surface of swash plate (1) all is connected with the last fixed surface of backing plate (16).

3. A template box for alfalfa sampling according to claim 1, characterized in that: every two stopper (10) have all been placed in the dead ahead of recess (7), every the back of stopper (10) all with the inner wall fixed connection of protective housing (6).

4. A template box for alfalfa sampling according to claim 1, characterized in that: the right side face of the protective shell (6) is fixedly connected with two clamping rings (12).

5. A template box for alfalfa sampling according to claim 1, characterized in that: the upper surface fixed connection of protective housing (6) has spacing ring (8), the inner wall of spacing ring (8) contacts with the surface of sample frame (9).