CN210965791U

CN210965791U - Soil sample screening plant

Info

Publication number: CN210965791U
Application number: CN201921274535.2U
Authority: CN
Inventors: 马永峰; 王玉洲; 周丁恒; 张荣臻; 盛连成; 肖勇
Original assignee: China National Petroleum Corp; China Petroleum Engineering and Construction Corp
Current assignee: China National Petroleum Corp; China Petroleum Engineering and Construction Corp
Priority date: 2019-08-07
Filing date: 2019-08-07
Publication date: 2020-07-10
Anticipated expiration: 2029-08-07

Abstract

The utility model discloses a soil sample screening plant belongs to sample screening field. Soil sample screening plant includes supporting component, screening subassembly and stirring subassembly, and the supporting component includes the base, and the screening subassembly includes flange and two at least sieves of superpose on the flange in proper order, and sieve and flange all have the centre bore, and the centre bore of sieve and the centre bore of flange are coaxial, and the flange is fixed on the base, can dismantle the connection between the adjacent sieve, and the flange can be dismantled with the sieve and be connected, keeps away from the sieve mesh of the sieve of flange in the adjacent sieve and is greater than the sieve mesh that is close to the sieve of flange. The stirring component comprises a rotating shaft and stirring pieces in one-to-one correspondence with the sieves, one end of the rotating shaft is rotatably connected to the base, the rotating shaft is located in a central hole of the connecting disc and a central hole of the sieves, the stirring pieces are detachably connected to the rotating shaft, and the stirring pieces are located in the corresponding sieves. The axis of rotation drives stirs the piece and rotates at the sieve, makes the soil sample pass through sieve mesh whereabouts because the action of gravity, improves screening efficiency.

Description

Soil sample screening plant

Technical Field

The utility model belongs to the technical field of the sample screening, in particular to soil sample screening plant.

Background

When inspecting granular materials, it is often necessary to sieve the material. For example, when analyzing the content of each particle size fraction and chemical elements of nutrient components of an undisturbed soil sample (soil sample for short), the soil sample needs to be screened.

At present, the soil sample is generally screened manually by directly using a screen. Because the granule size of soil sample is different, the condition that the sieve mesh was blockked up to the large granule soil sample appears easily when the screening, has reduced the efficiency of soil sample screening.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides a soil sample screening plant can avoid soil sample to block up the sieve mesh, improves the efficiency of screening. The technical scheme is as follows:

the embodiment of the utility model provides a soil sample screening plant, soil sample screening plant includes supporting component, screening subassembly and stirring subassembly, the supporting component includes the base, the screening subassembly includes flange and superpose in proper order at least two sieves on the flange, the sieve with the flange all has the centre bore, the centre bore of sieve and the centre bore of flange are coaxial, the flange is fixed on the base, can dismantle between the adjacent sieve and connect, the flange can dismantle with the sieve and connect, the sieve mesh of the sieve of keeping away from the flange in the adjacent sieve is greater than the sieve mesh of the sieve that is close to the flange;

the stirring assembly comprises a rotating shaft and stirring pieces which correspond to the sieves one to one, one end of the rotating shaft is rotatably connected to the base, the rotating shaft is located in a central hole of the connecting disc and a central hole of the sieves, the stirring pieces are detachably connected to the rotating shaft, and the stirring pieces are located in the corresponding sieves.

Furthermore, the bottom of sieve is equipped with the support frame, the support frame includes support ring and many spinal branchs vaulting pole, the support ring with the centre bore coaxial arrangement of sieve, the one end of bracing piece with the lateral wall of sieve is connected, the other end of bracing piece with the support ring is connected.

Further, the screening assembly also includes a plurality of seals disposed between the adapter and the screens and between adjacent screens, respectively.

Further, the bottom of sieve is equipped with the seal groove, the sealing member is installed in the seal groove.

Further, a convex ring coaxial with the central hole of the flange is arranged in the flange.

Further, the screening assembly also includes a cap that is removably connected to the screen furthest from the catch basin.

Further, every stirring piece all includes the adapter sleeve and connects the stirring board of adapter sleeve outer wall, the adapter sleeve cover is established in the axis of rotation, just the adapter sleeve can follow the axis of rotation rotates.

Furthermore, the supporting component further comprises at least two fixing rods parallel to the rotating shaft, one ends of the fixing rods are fixed on the base, sleeves in one-to-one correspondence with the fixing rods are connected to the outer wall of the connecting disc and the outer wall of the sieve, and each sleeve is sleeved on the corresponding fixing rod.

Furthermore, the base is of a box-type structure, a motor is arranged in the base, and one end of the rotating shaft is in transmission connection with an output shaft of the motor.

Further, the support assembly further comprises a roller, and the roller is installed at the bottom of the base.

The embodiment of the utility model provides a beneficial effect that technical scheme brought includes at least:

install on supporting component's base through will stirring the subassembly, install the screening subassembly on supporting component, the screening subassembly includes flange and sieve, can place the soil sample inside the sieve of furthest apart from the flange when carrying out the soil sample screening. Mix the subassembly and include the axis of rotation and mix the piece, mix the piece and be located corresponding sieve, connect on the base through rotating the axis of rotation, will mix the piece and connect in the axis of rotation, can drive through the axis of rotation and stir the piece at the sieve internal rotation, make the soil sample because self action of gravity passes through the sieve mesh whereabouts of sieve, improve screening efficiency, through setting up two at least sieves, the sieve mesh of the sieve of keeping away from the flange in the adjacent sieve is greater than the sieve mesh of the sieve that is close to the flange, the soil sample can realize screening layer upon layer when passing through the sieve in proper order, like this alright avoid because the soil sample particle diameter is different, sieve in a sieve and the phenomenon that the sieve.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic external structural view of a soil sample screening device according to an embodiment of the present invention;

fig. 2 is a schematic partial structure diagram of a soil sample screening device according to an embodiment of the present invention;

fig. 3 is a schematic partial structure diagram of a soil sample screening device according to an embodiment of the present invention;

fig. 4 is a bottom view of a screen of a soil sample screening device according to an embodiment of the present invention.

The symbols in the drawings represent the following meanings:

1. a support assembly; 11. a base; 110. a control gate; 111. a motor; 1111. a controller; 112. a roller; 113. a bearing; 12. fixing the rod; 2. a screening component; 21. receiving a plate; 211. a convex ring; 22. sieving; 220. screening a screen; 2201. a first sieve; 2202. a second sieve; 2203. a third sieve; 221. a support frame; 2211. a support bar; 2212. a support ring; 222. a limiting boss; 23. a top cover; 24. a seal member; 200. a central bore; 201. a sleeve; 202. a sealing groove; 31. a rotating shaft; 32. a stirring member; 321. connecting sleeves; 3211. a square hole; 322. a stirring plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

Fig. 1 is an external structure schematic diagram of a soil sample screening device provided by an embodiment of the present invention, as shown in fig. 1. This soil sample screening plant includes supporting component 1, screening subassembly 2 and stirs the subassembly, and supporting component 1 includes base 11.

Fig. 2 is the embodiment of the utility model provides a soil sample screening plant's local structure schematic diagram. As shown in fig. 2, the screening assembly 2 comprises a receiving disc 21 and at least two screens 22 stacked one above the other on the receiving disc 21. Both screen 22 and catch basin 21 have a central bore 200, the central bore 200 of screen 22 and the central bore 200 of catch basin 21 being coaxial. The flange 21 is fixed on the base 11, adjacent screens 22 are detachably connected, and the flange 21 is detachably connected with the screens 22. The sieve 22 far away from the receiving tray 21 in the adjacent sieves 22 has a larger mesh than the sieve 22 near the receiving tray 21.

Fig. 3 is the embodiment of the utility model provides a soil sample screening plant's local structure schematic diagram. Referring to fig. 2 and 3, the agitating assembly includes a rotating shaft 31 and agitating members 32 (see fig. 2) corresponding to the screens 22 one by one, and one end of the rotating shaft 31 is rotatably coupled to the base 11. The rotation shaft 31 is located in the central hole 200 of the receiving disc 21 and the central hole 200 of the sieve 22. The stirring members 32 are detachably attached to the rotating shafts 31, and the stirring members 32 are located in the respective screens 22.

Referring to fig. 1 and fig. 3 again, optionally, the base 11 may be a box structure, a motor 111 is installed inside the base 11, and one end of the rotating shaft 31 is in transmission connection with an output shaft of the motor 111.

A pair of control doors 110 which can open and close relatively can be installed on one side wall of the base 11, the control doors 110 are hinged on the side wall of the base 11, and handles are further arranged on the control doors 110.

In the above implementation manner, the base 11 is a box structure, which is convenient for installing the motor 111 on one hand, and on the other hand, the base 11 can also protect the motor 111. The control door 110 can be opened and closed conveniently to the base 11, access and arrangement of other equipment such as the motor 111 are convenient, and the handle is convenient to open or close the control door 110.

Illustratively, the controller 1111 of the motor 111 may be disposed on an outer sidewall of the base 11, and the control of the motor 111 by the controller 1111 may be facilitated.

Optionally, the supporting assembly 1 may further include a roller 112, and the roller 112 is installed at the bottom of the base 11.

In the above implementation, the rollers 112 may be provided to facilitate movement of the soil sample screening device.

Referring to fig. 1 again, optionally, the supporting assembly 1 may further include at least two fixing rods 12 parallel to the rotating shaft 31, one end of each fixing rod 12 is fixed on the base 11, sleeves 201 corresponding to the fixing rods 12 are connected to the outer walls of the flange 21 and the sieve 22, and each sleeve 201 is sleeved on the corresponding fixing rod 12.

The fixing rod 12 and the sleeve 201 are arranged to facilitate fixing of the flange 21 and each screen 22 respectively, and looseness of the flange 21 and the screen 22 is avoided.

For example, in the present embodiment, the number of the fixing rods 12 may be 2, and 2 fixing rods 12 are respectively fixed on two sides of the base 11 with the central point of the base 11 as the symmetric center, and correspondingly, the number of the receiving tray 21 and the sleeves 201 on each sieve 22 is also 2, and each sleeve 201 is sleeved on the corresponding fixing rod 12.

In the above implementation, the above arrangement can fix the screen 22 and the flange 21 to the support assembly 1 simply and conveniently through the connection between the fixing rod 12 and the sleeve 201. It is understood that in other embodiments, the specific number of the fixing rods 12 may be adjusted according to actual requirements, for example, 3, 4, etc., and accordingly, the number of the sleeves 201 is also adjusted accordingly.

Illustratively, the top of the base 11 is further provided with a bearing 113, and the bearing 113 is sleeved on the rotating shaft 31.

In the above implementation, the bearing 113 facilitates preventing the rotating shaft 31 from directly contacting the base 11 to cause abrasion to the base 11.

As shown in fig. 2, the screening assembly 2 may further include a cap 23, the cap 23 being removably attached to the screen 22 furthest from the receiving pan 21. By providing the top cover 23, it is possible to cover the top cover 23 on the sieve furthest from the receiving pan 21 when sieving a soil sample, thereby preventing dust from flying.

Alternatively, the cap 23 may be threaded with the screen 22.

In the above implementation, the screw thread connection between the top cover 23 and the sieve 22 enables the top cover 23 to be more firmly covered on the sieve 22, and plays a role in sealing the sieve 22.

Illustratively, a limiting boss 222 may be provided at a connection portion of the sieve 22 and the top cover 23, a thread is provided outside the limiting boss 222, and the top cover 23 is in threaded connection with the limiting boss 222.

As shown in fig. 2, the number of the sieves 22 may be three, and the three sieves 22 are respectively a first sieve 2201, a second sieve 2202 and a third sieve 2203, wherein the first sieve 2201 is overlapped on the receiving disc 21, the second sieve 2202 is overlapped on the first sieve 2201, the third sieve 2203 is overlapped on the second sieve 2202, and the top cover 23 is covered on the third sieve 2203; the screen 22 may be cylindrical. Fig. 4 is a bottom view of a screen of a soil sample screening device according to an embodiment of the present invention, as shown in fig. 4. The bottom of each screen 22 is provided with a screen 220. The mesh 220 of the first screen 2201 is a fine mesh having the smallest mesh size, the mesh 220 of the second screen 2202 is a fine mesh having the medium mesh size, and the mesh 220 of the third screen 2203 is a coarse mesh having the largest mesh size.

In the implementation mode, the arrangement can enable the soil sample to pass through the three sieves 22, and then sequentially pass through the coarse sieve, the fine sieve and the precise sieve to realize multi-layer sieving of the soil sample, so that the soil samples with different particle sizes can be sieved.

It is understood that in other embodiments, the specific number of the sifters 22 may be adjusted according to actual requirements, for example, 4, 5, etc., and the size of the holes of the sifter screen 220 in the sifter 22 may also be adjusted according to actual requirements, which is not limited by the present invention.

As shown in fig. 4, the bottom of the screen 22 may be provided with a support frame 221, and the support frame 221 includes a plurality of support bars 2211 and support rings 2212. The support ring 2212 is coaxially disposed with the central hole 200 of the screen 22, one end of the support rod 2211 is connected with the sidewall of the screen 22, and the other end of the support rod 2211 is connected with the support ring 2212.

In the above implementation, the support frame 221 is used to support the screen 220 in the screen 22, so as to prevent the screen 220 in the screen 22 from being damaged by the overweight of the soil sample when the soil sample is screened. The support rod 2211 is a framework of the support frame 221 and is used for bearing the gravity of a soil sample, and the support ring 2212 facilitates the penetration of the rotating shaft 31 and the connection and fixation of the support rod 2211.

In this embodiment, for example, in any one of the sieves 22, the number of the support rods 2211 may be three, and the three support rods 2211 are uniformly distributed at the bottom of the sieve 22 by taking the support ring 2212 as a center.

In the above implementation, the three support rods 2211 are uniformly distributed at the bottom of the screen 22, so that the support frame 221 can better support the screen 220, and simultaneously prevent the support rods 2211 from blocking the soil sample from falling from the screen 220 of the screen 22.

It is understood that in other embodiments, the specific number of the support rods 2211 may be adjusted according to actual requirements, for example, 4, 5, etc., and the present invention is not limited thereto.

Optionally, the screening assembly 2 may further comprise a plurality of seals 24, the plurality of seals 24 being disposed between the basin 21 and the screens 22 and between adjacent screens 22, respectively.

In the implementation mode, the sealing elements 24 are arranged to facilitate sealing between the screen 22 and the receiving disc 21 and between the screen 22 and the screen 22, so that the whole soil sample screening device is closed, and the condition that the body health of workers is affected due to the fact that dust is scattered is avoided.

Illustratively, the seal 24 is an annular rubber ring.

Optionally, the bottom of screen 22 may be provided with a seal groove 202, and seal 24 is mounted within seal groove 202. Installation of the seal 24 may be facilitated by providing a seal groove 202.

Alternatively, each of the agitating members 32 may include a connecting sleeve 321 and an agitating plate 322 connected to an outer wall of the connecting sleeve 321, the connecting sleeve 321 is sleeved on the rotating shaft 31, and the connecting sleeve 321 can rotate along with the rotating shaft 31. By providing the connection sleeve 321, the detachable connection of the stirring member 32 and the rotation shaft 31 can be facilitated, and the stirring plate 322 can stir the soil sample inside the sieve 22 when the rotation shaft 31 rotates.

Illustratively, in this embodiment, the number of the stirring plates 322 may be three, three stirring plates 322 are connected to the connecting sleeve 321, and the three stirring plates 322 are uniformly radiated inside the screen 22 around the connecting sleeve 321.

In the above implementation, the three stirring plates 322 are uniformly distributed in the sieve 22, so as to sufficiently stir the soil sample in the sieve 22, and accelerate the soil sample to be rapidly screened through the sieve 22.

For example, in this embodiment, an inner hole of the connecting sleeve 321 may be a square hole 3211, a cross section of the rotating shaft 31 may be square, and the square hole 3211 is sleeved on the rotating shaft 31, so that the connecting sleeve 321 may rotate along with the rotating shaft 31.

It is understood that in other embodiments, the connection sleeve 321 and the rotation shaft 31 may be assembled in other manners, for example, the connection sleeve 321 is interference-assembled on the rotation shaft 31, as long as it is ensured that the connection sleeve 321 is assembled on the rotation shaft 31 and can rotate along with the rotation of the rotation shaft 31.

Optionally, the flange 21 may have a male ring 211 therein coaxial with the central bore 200 of the flange 21.

In the above-described embodiment, the protruding ring 211 is provided to prevent the soil sample from leaking out of the central hole 200 in the flange 21, and to protect the rotating shaft 31, the rotating shaft 31 is prevented from being contaminated by the direct contact between the rotating shaft 31 and the soil sample, and the performance of the rotating shaft 31 is prevented from being affected.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. A soil sample screening device is characterized by comprising a supporting component (1), a screening component (2) and a stirring component, the support assembly (1) comprises a base (11), the screening assembly (2) comprises a receiving disc (21) and at least two screens (22) which are sequentially superposed on the receiving disc (21), the sieve (22) and the receiving disc (21) each have a central bore (200), the central hole (200) of the sieve (22) and the central hole (200) of the flange (21) are coaxial, the receiving disc (21) is fixed on the base (11), the adjacent sieves (22) are detachably connected, the receiving disc (21) is detachably connected with the sieves (22), and the sieve holes of the sieves (22) far away from the receiving disc (21) in the adjacent sieves (22) are larger than the sieve holes of the sieves (22) close to the receiving disc (21);

the stirring assembly comprises a rotating shaft (31) and stirring pieces (32) which correspond to the sieves (22) one by one, one end of the rotating shaft (31) is rotatably connected to the base (11), the rotating shaft (31) is located in a central hole (200) of the receiving disc (21) and a central hole (200) of the sieves (22), the stirring pieces (32) are detachably connected to the rotating shaft (31), and the stirring pieces (32) are located in the corresponding sieves (22).

2. A soil sample screening device according to claim 1, wherein the bottom of the screen (22) is provided with a support frame (221), the support frame (221) comprises a support ring (2212) and a plurality of support bars (2211), the support ring (2212) is arranged coaxially with the central hole (200) of the screen (22), one end of each support bar (2211) is connected with the side wall of the screen (22), and the other end of each support bar (2211) is connected with the support ring (2212).

3. A soil sample screening device according to claim 1, wherein the screening assembly (2) further comprises a plurality of seals (24), the plurality of seals (24) being respectively disposed between the catch basin (21) and the screens (22) and between adjacent screens (22).

4. A soil sample screening device according to claim 3, wherein the bottom of said screen (22) is provided with a sealing groove (202), said sealing member (24) being mounted in said sealing groove (202).

5. A soil sample screening device according to any one of claims 1 to 4, wherein the receiving disc (21) has a collar (211) therein coaxial with the central aperture (200) of the receiving disc (21).

6. A soil sample screening device according to any one of claims 1 to 4, wherein the screening assembly (2) further comprises a top cover (23), the top cover (23) being removably connected to the screen (22) furthest from the receiving pan (21).

7. A soil sample screening device according to any one of claims 1 to 4, wherein each stirring member (32) comprises a connecting sleeve (321) and a stirring plate (322) connected to the outer wall of the connecting sleeve (321), the connecting sleeve (321) is sleeved on the rotating shaft (31), and the connecting sleeve (321) can rotate along with the rotating shaft (31).

8. A soil sample screening device according to any one of claims 1 to 4, wherein the supporting assembly (1) further comprises at least two fixing rods (12) parallel to the rotating shaft (31), one ends of the fixing rods (12) are fixed on the base (11), sleeves (201) corresponding to the fixing rods (12) one by one are connected to the outer wall of the connecting disc (21) and the outer wall of the screen (22), and each sleeve (201) is sleeved on the corresponding fixing rod (12).

9. A soil sample screening device according to any one of claims 1 to 4, wherein the base (11) is of a box-type structure, a motor (111) is arranged in the base (11), and one end of the rotating shaft (31) is in transmission connection with an output shaft of the motor (111).

10. A soil sample screening device according to any one of claims 1 to 4, wherein the support assembly (1) further comprises rollers (112), the rollers (112) being mounted at the bottom of the base (11).