Screening device for soil detection

Abstract

The utility model relates to the technical field of screening devices, and discloses a screening device for soil detection, which comprises a screening machine, a placing seat is arranged on the screening machine, guide rods are oppositely arranged on the placing seat, and a screening frame is placed on the placing seat between the guide rods; a cover plate is arranged between the opposite guide rods, a fixing assembly is arranged on the guide rods, the fixing assembly comprises an embracing piece fixedly connected to the cover plate and a threaded piece in threaded connection to the embracing piece, the embracing piece and the threaded piece are arranged outside the guide rods in a sleeving mode, and the threaded piece is in threaded connection to the embracing piece and used for driving the embracing piece to tightly embrace the guide rods. According to the screen frame press-fitting device, through the arrangement of the holding part and the threaded part, the threaded part is in threaded connection to the holding part, so that the holding part holds the guide rod tightly, then the cover plate can be fixed, when the threaded part is unscrewed, holding of the holding part can be relieved, the cover plate can move, and therefore press-fitting operation of the fixing plate on the screen frame is easy and convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to screening device technical field, concretely relates to a screening device for soil detection. BACKGROUND

[0002] The screening device for soil detection is a kind of equipment for carrying out particle size separation to soil sample, mainly used in laboratory environment;It mainly makes soil sample pass through screen of different aperture by vibrating mode, to separate out particle of different particle size.

[0003] As shown in Figure 7 The existing screening device for soil detection mainly comprises screening machine, two threaded rods and fixed plate, when actually using, the screen frame is stacked on the screening machine between the two threaded rods, and the fixed plate is used to press-pack the stacked screen frame, to realize the installation of screen frame on the screening machine;When actually using, the two threaded rods are arranged through the fixed plate, nut is threadedly connected on the threaded rod, the fixed plate is abutted on the screen frame at the highest position by screwing the nut to push, to realize the installation of screen frame on the screening machine, thus, when the number of screen frame stacked on the screening machine is less, the nut needs to be screwed to move a long distance along the threaded rod, so that the fixed plate can press-pack the stacked screen frame, which leads to more troublesome operation, and needs to be improved. SUMMARY

[0004] The utility model aims at providing a kind of screening device for soil detection to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A kind of screening device for soil detection, including screening machine, screening machine is equipped with placing seat, opposite direction guiding rod is equipped on placing seat, and screen frame is placed on the placing seat between guiding rod;Opposite direction guiding rod is equipped with the cover plate for the press-pack of screen frame, and fixed assembly is equipped on guiding rod, fixed assembly includes the holding member that is fixedly connected to the cover plate and the threaded member that is threadedly connected to the holding member, the holding member and threaded member are all covered in guiding rod, and threaded member is threadedly connected to the holding member for driving holding member to hold guiding rod;Positioning member for fixing screen frame is equipped on placing seat, and positioning member can move along the radial direction of placing seat.

[0007] Further, the holding member includes holding ring part provided on the cover plate, and a plurality of holding pieces are provided on the end wall of the holding ring part along the circumferential direction thereof;The threaded member includes threaded ring part and extrusion part, the threaded ring part is threadedly connected to the holding ring part, and the extrusion part is driven to extrude the holding piece to make the holding piece hold the guiding rod.

[0008] Further, a plurality of mounting columns are uniformly arranged on the upper side wall of the screen frame along the circumferential direction thereof, and mounting holes are provided on the lower side wall of the screen frame corresponding to the mounting columns.

[0009] Further, the upper side of the placing seat is provided with sliding grooves along the radial direction, and a plurality of sliding grooves are distributed along the circumference of the placing seat; the positioning member comprises a sliding block slidingly arranged in the sliding groove, and a positioning column of the sliding block extends out of the sliding groove and can extend into the corresponding mounting hole; and a moving member for driving the sliding block to move is arranged in the sliding groove.

[0010] Further, the moving member comprises a threaded rod rotatably arranged in the sliding groove, and the threaded rod is threadedly arranged through the sliding block.

[0011] Further, a handle is arranged at the center position of the upper side of the cover plate.

[0012] Further, a rotating cap is arranged on the extending end of the threaded rod.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0014] 1. The utility model discloses a fixing assembly, which comprises a clamping member and a threaded member, the threaded member is threadedly connected to the clamping member, the clamping member clamps the guide rod, thereby fixing the cover plate, the cover plate can be pressed and mounted on the stacked screen frame, the clamping of the clamping member is released by loosening the threaded member, so that the cover plate can be moved, compared with the prior art, the fixing assembly is more convenient to use.

[0015] The utility model discloses a positioning member arranged along the radial direction of the placing seat, so that the position of the positioning member is adjusted, the placing seat can be adapted to screen frames with different diameters, and the applicability of the screening device is improved. DRAWINGS

[0016] Figure 1 It is a structural schematic view of a screening device for soil detection in the utility model.

[0017] Figure 2 It is a structural schematic view of a cover plate on a guide rod in the utility model.

[0018] Figure 3 It is an exploded structural schematic view of a locking assembly in the utility model.

[0019] Figure 4 It is a sectional structural schematic view of a locking assembly in the utility model.

[0020] Figure 5 It is a structural schematic view of an adjusting member in the utility model.

[0021] Figure 6 It is a sectional structural schematic view of a mounting column and a mounting hole in the utility model.

[0022] Figure 7 This is a schematic diagram of an existing soil testing screening device.

[0023] The meanings of the labels in the diagram are as follows: 100, screening machine; 101, placement seat; 102, collection frame; 103, screen frame; 104, cover plate; 105, clamping component; 106, threaded component; 107, handle; 108, guide rod; 109, threaded rod;

[0024] 300. Clamping piece; 301. Inclined surface;

[0025] 400. Threaded ring portion; 401. Extrusion portion; 402. Extrusion table; 410. Clamping ring portion;

[0026] 500, sliding groove; 501, slider; 502, positioning pin; 503, blocking block; 504, rotating cap;

[0027] 601. Mounting column; 602. Mounting hole. Detailed Implementation

[0028] To further understand the content of this utility model, a detailed description of this utility model will be provided in conjunction with the accompanying drawings and embodiments. It should be understood that the embodiments are merely illustrative of this utility model and are not intended to limit it.

[0029] The following is in conjunction with the appendix Figures 1-7 This embodiment will be described in further detail.

[0030] Combined with appendix Figures 1-7 This embodiment of a soil testing sieving device includes a sieving machine 100, a placement seat 101 on the sieving machine 100, guide rods 108 opposite each other on the placement seat 101, and a sieve frame 103 placed on the placement seat 101 between the guide rods 108; a cover plate 104 for pressing the sieve frame 103 is provided between the opposite guide rods 108; a fixing component is provided on the guide rods 108, the fixing component includes a clamping member 105 fixedly connected to the cover plate 104 and a threaded member 106 threadedly connected to the clamping member 105, both the clamping member 105 and the threaded member 106 are sleeved on the guide rods 108, and the threaded member 106 is threadedly connected to the clamping member 105 for driving the clamping member 105 to clamp the guide rod 108; a positioning member is provided on the placement seat 101 for fixing the sieve frame 103, and the positioning member can move radially along the placement seat 101.

[0031] In actual use, the screening machine 100 is of a conventional structure, which comprises a housing provided with a mounting cavity, and a vibration motor arranged in the mounting cavity and configured to drive the placement seat 101 to vibrate; a plurality of sieve frames 103 are stacked on the placement seat 101, and the sieve frames 103 stacked on the placement seat 101 are limited by the positioning member; meanwhile, the soil sample to be detected is placed in the uppermost sieve frame 103, and the sieve frame 103 is press-fitted and fixed by the fixing assembly; at this time, since the pore diameters of the sieve frames 103 decrease from top to bottom, the placement seat 101 is driven to vibrate by the vibration motor, so that the sieve frames 103 vibrate, and the soil sample in the sieve frames 103 can pass through the sieve screens with different pore diameters by vibration, so that particles with different particle sizes are separated, and the soil sample screening is completed.

[0032] Specifically, the bottom of the lowermost sieve frame 103 is provided with a blocking plate, so that the sieve frame 103 forms the collection frame 102 to collect the soil sample and avoid the accumulation of the soil sample on the placement seat 101.

[0033] Specifically, as shown in Figure 6 In order to make the stacking of the sieve frames 103 more stable, the upper side wall of the sieve frame 103 is uniformly provided with a plurality of mounting columns 601 along the circumferential direction thereof, and the lower side wall of the sieve frame 103 is provided with mounting holes 602 corresponding to the mounting columns 601; when stacking, the mounting columns 601 are inserted into the corresponding mounting holes 602, so that the stacking between the sieve frames 103 is more stable.

[0034] In actual use, the positioning member is arranged to move radially along the placement seat 101, so that the position of the positioning member is adjusted, and the placement seat 101 can be adapted to sieve frames 103 with different diameters, thereby improving the applicability of the screening device.

[0035] The cover plate 104 is slid along the guide rod 108, and when the cover plate 104 is lapped on the sieve frame 103 at the highest position, the threaded member 106 is threadedly connected to the clamping member 105 by the arrangement of the clamping member 105 and the threaded member 106, so that the clamping member 105 clamps the guide rod 108, thereby being able to fix the cover plate 104, so that the cover plate 104 cannot move on the guide rod 108; when the threaded member 106 is loosened, the clamping of the clamping member 105 is released, so that the cover plate 104 can be moved; compared with the existing method of adjusting the position of the cover plate 104 by rotating a nut to move a long distance, the use of the fixing assembly in the embodiment is more convenient.

[0036] In order to facilitate the operator to move the cover plate 104, the center position of the upper side surface of the cover plate 104 is provided with a handle 107.

[0037] In combination with Figures 3-4As shown, in the embodiment, the holding member 105 comprises a holding ring part 410 arranged on the cover plate 104, and a plurality of holding pieces 300 are arranged on the end wall of the holding ring part 410 along the circumferential direction thereof; the threaded member 106 comprises a threaded ring part 400 and a pressing part 401, the threaded ring part 400 is threadedly connected to the holding ring part 410, and the pressing part 401 is used to press the holding pieces 300 to make the holding pieces 300 tightly hold the guide rod 108.

[0038] In actual use, the threaded ring part 400 is internally threaded, the pressing part 401 is internally provided with a pressing platform 402 along the circumferential direction of the threaded ring part 400, the outer side wall of the holding ring part 410 is externally provided with external threads matched with the internal threads, gaps are formed between adjacent holding pieces 300 to allow the holding pieces 300 to deform, the outer side wall of the holding piece 300 is provided with an inclined surface 301 matched with the pressing platform 402 along the circumferential direction of the holding ring part 410, so that, in actual use, when the threaded ring part 400 is threadedly connected to the holding ring part 410, the pressing part 401 is driven to move towards the holding pieces 300, the pressing platform 402 presses the inclined surface 301, the holding pieces 300 tightly hold the guide rod 108, and the cover plate 104 is fixed, and when the threaded ring part 400 is loosened to make the pressing platform 402 away from the holding pieces 300, the holding of the holding pieces 300 on the guide rod 108 is released, and the cover plate 104 is unfixed, so that the cover plate 104 can move on the guide rod 108, that is, the operation of moving the cover plate 104 is simple, and the actual use is convenient.

[0039] In combination Figure 5 As shown, in the embodiment, the upper side of the placing seat 101 is radially provided with a sliding groove 500, and a plurality of sliding grooves 500 are distributed along the circumferential direction of the placing seat 101; the positioning member comprises a sliding block 501 slidingly arranged in the sliding groove 500, the sliding block 501 is provided with a positioning column 502 extending out of the sliding groove 500, the positioning column 502 can extend into the corresponding mounting hole 602, and the sliding groove 500 is internally provided with a moving member used to drive the sliding block 501 to move.

[0040] In actual use, the moving member can drive the sliding block 501 to slide along the sliding groove 500, and then the sliding block 501 can drive the positioning column 502 to slide along the sliding groove 500, so that the position of the positioning column 502 in the sliding groove 500 changes, and the placing seat 101 can be matched with the screen frame 103 of different diameters, and the applicability of the screening device is improved.

[0041] In the embodiment, the moving member comprises a threaded rod 109 rotatably arranged in the sliding groove 500, and the threaded rod 109 is threadedly arranged through the sliding block 501.

[0042] In actual use, the sliding block 501 is in abutment with the corresponding side wall of the sliding groove 500, thereby limiting the sliding block 501 in the sliding groove 500; by rotating the threaded rod 109, the threaded rod 109 is driven to rotate to drive the sliding block 501 to move the positioning column 502, thereby adjusting the position of the positioning column 502 in the sliding groove 500, so as to facilitate the installation of the screen frame 103 of different specifications on the placing seat 101.

[0043] In actual use, the sliding groove 500 is provided with an opening at one end, and the opening is provided with a plug 503, thereby enabling the sliding block 501 to be slidably installed in the corresponding sliding groove 500, and the threaded rod 109 can be extended through the plug 503 to facilitate the operator to drive the threaded rod 109 to rotate.

[0044] The threaded rod 109 is rotatably installed on the side wall of the sliding groove 500 by a bearing, thereby achieving the rotation of the threaded rod 109 in the sliding groove 500.

[0045] Specifically, in order to facilitate the operator to rotate the threaded rod 109, a rotating cap 504 is arranged on the extended end of the threaded rod 109, which facilitates the operator to rotate the threaded rod 109.

[0046] In actual use, when the soil sample needs to be screened, the cover plate 104 is moved up by the handle 107, and then the threaded part 106 is screwed onto the clamping part 105, so that the clamping part 105 can tightly hold the guide rod 108, and the cover plate 104 is fixed at the upper end of the guide rod 108; then the plurality of screen frames 103 are stacked on the placing seat 101, and the screen frames 103 stacked on the placing seat 101 are limited by the positioning part, then the soil sample to be screened is placed in the uppermost screen frame 103, then the threaded part 106 is loosened to release the clamping of the clamping part 105, and the cover plate 104 is slid down along the guide rod 108, when the cover plate 104 is lapped on the screen frame 103 at the highest position, the threaded part 106 is screwed onto the clamping part 105 again to tightly hold the guide rod 108 and fix the cover plate 104, and the placing seat 101 is driven to vibrate by the vibration motor, thereby vibrating the screen frame 103, so that the soil sample in the screen frame 103 can pass through the screen with different aperture by vibration, and different particle sizes are separated, thereby completing the soil sample screening.

[0047] In summary, the above-mentioned is only a preferred embodiment of the present application, and any changes and modifications made within the scope of the present application shall be included in the scope of the present application.

Claims

1. A screening device for soil detection, comprising a screening machine (100), wherein a placing seat (101) is arranged on the screening machine (100), and a guide rod (108) is oppositely arranged on the placing seat (101), and a screen frame (103) is placed on the placing seat (101) between the guide rods (108); characterized in that: Opposite guide rods (108) are provided with a cover plate (104) for pressing the screen frame (103), the guide rod (108) is provided with a fixing assembly, the fixing assembly comprises a clamping piece (105) fixedly connected to the cover plate (104) and a threaded piece (106) threadedly connected to the clamping piece (105), the clamping piece (105) and the threaded piece (106) are sleeved on the guide rod (108), and the threaded piece (106) is threadedly connected to the clamping piece (105) for driving the clamping piece (105) to tightly clamp the guide rod (108); the placing seat (101) is provided with a positioning piece for fixing the screen frame (103), and the positioning piece can move radially along the placing seat (101).

2. A screening device for soil testing according to claim 1, characterized in that: The clamping piece (105) comprises a clamping ring portion (410) provided on the cover plate (104), and a plurality of clamping pieces (300) are arranged on the end wall of the clamping ring portion (410) in the circumferential direction; the threaded piece (106) comprises a threaded ring portion (400) and a pressing portion (401), the threaded ring portion (400) is threadedly connected to the clamping ring portion (410), and the pressing portion (401) is driven to press the clamping piece (300) so that the clamping piece (300) tightly clamps the guide rod (108).

3. A screening device for soil testing as claimed in claim 1, wherein: A plurality of mounting columns (601) are uniformly arranged on the upper side wall of the screen frame (103) in the circumferential direction, and mounting holes (602) are arranged on the lower side wall of the screen frame (103) corresponding to the mounting columns (601).

4. A screening device for soil testing according to claim 3, wherein: The upper side of the placing seat (101) is provided with a sliding groove (500) in the radial direction, and a plurality of sliding grooves (500) are distributed in the circumferential direction of the placing seat (101); the positioning piece comprises a sliding block (501) slidably arranged in the sliding groove (500), the sliding block (501) is provided with a positioning column (502) extending out of the sliding groove (500), the positioning column (502) can extend into the corresponding mounting hole (602), and the sliding groove (500) is provided with a moving piece for driving the sliding block (501) to move.

5. A screening device for soil testing according to claim 4, wherein: The moving piece comprises a threaded rod (109) rotatably arranged in the sliding groove (500), and the threaded rod (109) is threadedly arranged through the sliding block (501).

6. A screening device for soil testing as claimed in claim 1, wherein: A handle (107) is arranged at the center position of the upper side of the cover plate (104).

7. A screening device for soil testing as claimed in claim 5 wherein: A rotating cap (504) is arranged on the extending end of the threaded rod (109).

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