CN212856596U - Screening plant for geotechnical test - Google Patents

Abstract

The utility model relates to a screening plant for geotechnical test, including the vibrations subassembly, the vibrations subassembly includes the motor, frame and swing seat, the last vertical fixed square case of placing that is provided with of swing seat, a side opening setting of placing the case, it is provided with the screening subassembly to place the incasement, the screening subassembly includes a plurality of square screening boxes, a plurality of screening boxes are arranged along vertical direction, be provided with the socket on the bottom of screening box lateral wall, the socket extends the setting along the length direction of screening box lateral wall, be provided with the sieve in the socket, a plurality of sieve meshes have been seted up on sieve level setting and the sieve, first spout has been seted up on the both sides wall of screening box perpendicular to socket, first lug has all been seted up on sieve and the socket looks vertically both ends face, first lug is located first spout and both are mutually supported. This application has the effect that improves the convenience of testing personnel to the clearance of sieve mesh jam for soil sample can be smooth when screening test passes through in the sieve mesh, thereby improves the accuracy of test result.

Description

Screening plant for geotechnical test

Technical Field

The application relates to the field of geotechnical test auxiliary device, in particular to a screening device for geotechnical test.

Background

The particle analysis test is a conventional test in geotechnical tests and is used for determining the percentage of each particle group in the soil by the total mass of the soil particles. The particle analysis test can quantitatively describe the content of each particle group in the soil particles, and provides a basis for engineering classification of the soil and understanding of the engineering properties of the soil. Meanwhile, when the foundation soil is liquefied and judged, the clay content of the soil must be used, and the clay content needs to be quantitatively analyzed through a particle analysis test. The screening method is one of the commonly used methods in particle analysis tests, and is characterized in that a certain amount of particle groups corresponding to the pore diameters of sieve pores in a soil sample are separated through a set of standard sieves with different pore diameters, then the particle groups are weighed, the relative content of each particle group is calculated, and the particle size components of the soil sample are determined.

The chinese utility model patent that relevant bulletin number is CN207222326U discloses a sieving machine, the test platform comprises a support, including a motor, an end cap, a controller, and a cover plate, the swing seat, fix the sieve seat on the swing seat, be located the anchorage bar on the sieve seat, the crosspiece of screen cloth and anchorage bar upper end, the anchorage bar is equipped with three at least and centers on the screen cloth on the sieve seat, still be connected with the closing device who is used for compressing tightly the screen cloth on the anchorage bar, closing device includes the horizontally depression bar with the anchorage bar one-to-one, the one end of depression bar and the sleeve pipe fixed connection of cup jointing on the anchorage bar, respectively deviate from depression bar anchorage bar one end fixed connection in same solid fixed ring's lateral wall, the axle center position of depression bar still is equipped with the telescopic link, and gu. The utility model discloses a rational in infrastructure, remove closing device and make it compress tightly the screen cloth after, the screw in kicking part can keep compressing tightly the screen cloth, and easy operation is convenient.

To the correlation technique among the above-mentioned, the inventor thinks when carrying out the screening of soil sample, granule in the soil sample often can block in the sieve mesh, causes the jam of sieve mesh, is unfavorable for experimental accuracy, consequently, the experimenter needs often to clear up the screen cloth, and the cleaning operation is inconvenient.

SUMMERY OF THE UTILITY MODEL

In order to improve the convenience of experimenter to the jam clearance of sieve mesh to improve experimental accuracy, this application provides a screening plant for geotechnical test.

The application provides a screening plant for geotechnical test adopts following technical scheme:

a screening device for geotechnical tests comprises a vibration assembly, wherein the vibration assembly comprises a motor, a machine base and a swing base, a square placing box is vertically and fixedly arranged on the swinging seat, an opening is arranged on one side surface of the placing box, the placing box is internally provided with a screening component which comprises a plurality of square screening boxes which are arranged along the vertical direction, the two end surfaces of the screening box in the vertical direction are both provided with openings, the bottom of one side wall of the screening box is provided with a socket, the insertion opening extends along the length direction of the side wall of the screening box, a screen plate is arranged in the insertion opening, the sieve plate is horizontally arranged and is provided with a plurality of sieve pores, the two side walls of the sieving box vertical to the socket are provided with first chutes, first lugs are arranged on two end faces of the sieve plate, which are perpendicular to the insertion openings, and are located in the first sliding grooves and matched with each other.

By adopting the technical scheme, the sieve plate and the screening box are separately arranged, when a tester conducts screening operation, the sieve plate is inserted into the screening box through the insertion opening, the sieve plate and the screening box are assembled, and then the soil sample is placed into the screening box for screening operation; when the sieve mesh blockked up, the testing personnel only need take out the sieve from screening box, again to the sieve mesh on the sieve clear up can, need not to clear up screening box and the whole of sieve, improve the convenience of clearance sieve mesh for during the sieve mesh, the soil sample of corresponding granularity can be smooth pass through from the sieve mesh, thereby reduce test error.

Preferably, place and all seted up a plurality of second spouts on the relative both sides wall of case, it is a plurality of the second spout evenly arranges along vertical direction, the screening box has all seted up the second lug on two lateral walls adjacent with the socket, the second lug is located the second spout and both mutually support.

Through adopting above-mentioned technical scheme, screening box passes through second lug and second spout realization and the sliding connection who places the case, improves the stability of screening box and the connection of placing the case for screening box is difficult for overturning when carrying out the screening test.

Preferably, the opening of placing the case is along the department articulated baffle that has, the vertical setting of baffle, the length of baffle is the same with the height of placing the case, be provided with the retaining member on the baffle, the retaining member is used for fixing the baffle temporarily with placing the case.

Through adopting above-mentioned technical scheme, when carrying out the screening test, be connected the baffle with placing the case and fix through the retaining member to the removal to the screening box is restricted, makes screening box and sieve be difficult for coming out from the opening part landing of placing the case.

Preferably, the bottom surface of sieve and the bottom surface of screening box are parallel and level mutually, adjacent two laminating setting each other of screening box.

Through adopting above-mentioned technical scheme, when carrying out the screening experiment for the soil sample in the screening box is difficult for scattering away from the space between two adjacent screening boxes, thereby improves test data's accuracy.

Preferably, a first handle is fixedly arranged on one side wall of the screening box, a second handle is fixedly arranged on one end face of the screening plate, and the first handle, the second handle and the inserting opening are positioned on the same side of the screening box.

Through adopting above-mentioned technical scheme, make things convenient for the testing personnel to extract screening box and sieve, improve testing personnel's operation convenience.

Preferably, the sieve holes on a plurality of sieve plates are arranged in a tapered mode from top to bottom in the vertical direction.

Through adopting above-mentioned technical scheme, the less soil sample of granule drops downwards through the sieve mesh, and the great soil sample of granule is stopped by the sieve mesh, realizes sieving the granule of different granularities in the soil sample.

Preferably, the frame includes bottom plate and two curb plates of vertical setting on the bottom plate, two the curb plate is parallel to each other, the third spout has all been seted up on the curb plate, the third spout all extends the setting along the length direction of curb plate, swing seat sets up between two curb plates, swing seat is close to fixed the third lug that is provided with on the outer wall of two curb plates, the third lug sets up in the third spout and both mutually support, the motor is fixed to be set up on the bottom plate, the output fixedly connected with cam of motor, the cam is located between two curb plates, the cam is with swing seat's lateral wall looks butt, be provided with the spring in the third spout, the one end and the third lug fixed connection of spring, the inner wall fixed connection of cam is kept away from to the other end and the third spout of spring.

Through adopting above-mentioned technical scheme, the motor starts to drive the cam and rotates, cam and swing seat looks butt, and the spring makes swing seat and cam be in the state of contact always, and when the cam rotated, the base circle portion and the bulge of cam constantly alternate with swing seat contact to realize swinging seat's reciprocal rocking, and then realize the screening operation of soil sample, easy operation has improved the experimental efficiency of screening.

Preferably, the reciprocating direction of the swing seat is parallel to the side wall of the opening of the placing box.

Through adopting above-mentioned technical scheme, when carrying out soil sample screening experiment, screening box and sieve carry out reciprocating motion along with the swing seat, and the reciprocating motion direction of swing seat parallels with the opening place lateral wall of placing the case, and screening box and sieve are difficult to break away from placing the incasement.

In summary, the present application includes at least one of the following beneficial technical effects:

1. by arranging the sieve plate and the sieving box, when the sieve holes are blocked, a tester only needs to clean the sieve plate, so that the cleaning convenience is improved;

2. through setting up vibrations subassembly, realize the automation of vibrations screening operation, reduce the manpower, practice thrift the screening time to improve experimental efficiency

3. Through setting up the baffle, improve the stability of screening box and sieve in placing the incasement, when the reciprocating sieve, screening box and sieve are difficult for following and placing the incasement landing.

Drawings

Fig. 1 is a schematic view of the overall structure of a screening apparatus for soil test according to the present embodiment.

Fig. 2 is a schematic view of the entire structure of another observation angle of the screening apparatus for the earth test of the present embodiment.

Fig. 3 is a partially enlarged view of a portion a in fig. 2.

Fig. 4 is a schematic view of the screen assembly of the present embodiment after being disassembled.

Fig. 5 is a partially enlarged view of a portion B in fig. 4.

Description of reference numerals: 1. a vibration assembly; 11. a motor; 12. a cam; 13. a machine base; 131. a base plate; 132. a side plate; 133. a third chute; 134. a spring; 14. a swing seat; 141. a third bump; 15. placing a box; 151. a second chute; 16. a baffle plate; 161. a locking member; 2. a screen assembly; 21. screening the box; 211. a socket; 212. a first chute; 213. a first handle; 214. a second bump; 22. a sieve plate; 221. screening holes; 222. a first bump; 223. a second handle.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses screening plant for geotechnical test. Referring to fig. 1, the screening device comprises a vibration assembly 1 and a screening assembly 2, wherein the vibration assembly 1 comprises a motor 11, a base 13, a swinging seat 14 and a placing box 15, the motor 11 is fixedly installed on the base 13, the swinging seat 14 is in sliding connection with the base 13, the placing box 15 is vertically and fixedly arranged on the swinging seat 14, a side wall opening of the placing box 15 is arranged, and the screening assembly 2 is arranged in the placing box 15. Place that open-ended of case 15 border department articulates there is baffle 16, baffle 16 vertical setting and baffle 16's length and the height of placing case 15 are the same, and baffle 16's upper end is provided with and is used for baffle 16 and the retaining member 161 of placing case 15 interim fixed connection, and in this embodiment, this retaining member 161 adopts the connected mode of bolt, places and offers the screw hole that corresponds with the bolt on the case 15.

Referring to fig. 1 and 3, the housing 13 includes a bottom plate 131 and two side plates 132 fixedly disposed on the bottom plate 131. The two side plates 132 are arranged in parallel, the plane where the opening of the box 15 is located is parallel to the side plates 132, the motor 11 and the swing seat 14 are located between the two side plates 132, the motor 11 is installed on the bottom plate 131, the output end of the motor 11 is connected with the cam 12, and the cam 12 is abutted to the side wall of the swing seat 14. The swing seat 14 is provided with third protruding blocks 141 on two side walls close to the side plate 132, the two side walls are provided with third sliding grooves 133 matched with the third protruding blocks 141, the third sliding grooves 133 extend along the length direction of the side plate 132, the third protruding blocks 141 are located in the third sliding grooves 133 and are connected with the third sliding grooves in a sliding manner, springs 134 are arranged in the third sliding grooves 133, one ends of the springs 134 are fixedly connected with the third protruding blocks 141, and the other ends of the springs 134 are fixedly connected with the inner walls of the third sliding grooves 133.

Referring to fig. 4 and 5, the screen assembly 2 includes a plurality of square screening boxes 21 and a screen plate 22, the screen plate 22 is installed at the bottom of the screening boxes 21, and a plurality of screen holes 221 are opened on the screen plate 22. A plurality of screening boxes 21 are evenly arranged along the vertical direction, and two adjacent screening boxes 21 are mutually attached. Sieve pore 221 on a plurality of sieve boards 22 reduces the setting from top to bottom along vertical direction, the relative both ends face opening setting in the vertical direction of screening box 21, socket 211 has been seted up to the bottom of a lateral wall of screening box 21, sieve board 22 level is inserted in socket 211, sliding connection between sieve board 22 and the screening box 21, first spout 212 has been seted up on the inner wall of screening box 21 at socket 211 length direction both ends, fixed being provided with on the relative both ends face of sieve board 22 with first spout 212 matched with first lug 222, first lug 222 sets up in first spout 212, sieve board 22 is through first lug 222 and first spout 212 and screening box 21 sliding connection, the bottom surface of sieve board 22 is parallel and level mutually with the bottom surface of screening box 21. The screening box 21 is fixedly provided with a first handle 213, the first handle 213 and the inserting opening 211 are positioned on the same side wall of the screening box 21, and the side wall of the screening plate 22 close to the inserting opening 211 is fixedly provided with a second handle 223.

Referring to fig. 1 and 4, the outer walls of the screening boxes 21 at the two ends of the length direction of the insertion opening 211 are fixedly arranged on the second protruding blocks 214, a plurality of second sliding grooves 151 are formed in two opposite side walls of the placing box 15, the second sliding grooves 151 are uniformly distributed along the vertical direction, and the second protruding blocks 214 are located in the second sliding grooves 151 and are matched with each other.

The implementation principle of the screening device for the geotechnical test in the embodiment of the application is as follows: when the experimenter was screening the operation, in inserting screening box 21 through socket 211 with sieve 22, again with screening box 21 install place the case 15 in, the staff puts into the soil sample and places the case 15 in, fixes baffle 16 through retaining member 161 with placing case 15 again for screening box 21 is difficult from placing the interior roll-off of case 15. Starting motor 11 afterwards, motor 11 drives cam 12 and rotates, and cam 12's base circle portion and bulge constantly alternate with swing seat 14 contact for swing seat 14 reciprocating motion, thereby realize rocking of the soil sample in screening box 21, the less soil sample of granularity can constantly drop down in the soil sample, and the great soil sample of granularity is left by corresponding sieve 22 sieve, and later, the staff carries out the weighing measurement with the soil sample of different granularities, carries out particle analysis. When the sieve plate 22 sieves the soil sample, particles in the soil sample are often stuck in the sieve holes 221, so that the sieve holes 221 are blocked, and the sieving operation is influenced. When the tester is clearing up the sieve pore 221, take out the sieve plate 22 from the screening box 21, clear up and wash the sieve plate 22, after the washing, it can to process the sieve plate 22 and insert the screening box 21 bottom again, has improved the tester and has blockked up the convenience of clearing up to the sieve pore 221, makes the screening when experimental, and the soil sample of corresponding granularity can be smooth pass through from the sieve pore 221 to reduce test error.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a screening plant for geotechnical test, includes vibrations subassembly (1), vibrations subassembly (1) includes motor (11), frame (13) and swing seat (14), its characterized in that: the square placing box (15) is vertically and fixedly arranged on the swing seat (14), one side face of the placing box (15) is provided with an opening, the inside of the placing box (15) is provided with a screening component (2), the screening component (2) comprises a plurality of square screening boxes (21), the screening boxes (21) are arranged along the vertical direction, two end faces of the screening boxes (21) in the vertical direction are provided with openings, the bottom of one side wall of each screening box (21) is provided with a socket (211), the socket (211) extends along the length direction of the side wall of each screening box (21), a screen plate (22) is arranged in the socket (211), the screen plate (22) is horizontally arranged, a plurality of screen holes (221) are formed in the screen plate (22), two side walls of each screening box (21) perpendicular to the socket (211) are provided with first sliding grooves (212), two end faces of the screen plate (22) perpendicular to the socket (211) are provided with first convex blocks (222), the first projection (222) is positioned in the first sliding groove (212) and the first projection and the first sliding groove are matched with each other.

2. The screening apparatus for the geotechnical test according to claim 1, wherein: place all seted up a plurality of second spout (151) on the relative both sides wall of case (15), it is a plurality of second spout (151) are evenly arranged along vertical direction, screening box (21) and socket (211) two adjacent lateral walls on all seted up second lug (214), second lug (214) are located second spout (151) and both mutually support.

3. The screening apparatus for the geotechnical test according to claim 2, wherein: it has baffle (16) to place open-ended border department of case (15), baffle (16) vertical setting, the length of baffle (16) is the same with the height of placing case (15), be provided with retaining member (161) on baffle (16), retaining member (161) are used for with baffle (16) with place case (15) and carry out interim fixed.

4. The screening apparatus for the geotechnical test according to claim 1, wherein: the bottom surface of sieve (22) and the bottom surface of screening box (21) are parallel and level mutually, adjacent two laminating each other of screening box (21) sets up.

5. The screening apparatus for the geotechnical test according to claim 4, wherein: a first handle (213) is fixedly arranged on one side wall of the screening box (21), a second handle (223) is fixedly arranged on one end face of the screening plate (22), and the first handle (213), the second handle (223) and the inserting opening (211) are positioned on the same side of the screening box (21).

6. The screening apparatus for the geotechnical test according to claim 1, wherein: the screen holes (221) on the screen plates (22) are arranged in a tapered mode from top to bottom in the vertical direction.

7. The screening apparatus for the geotechnical test according to claim 1, wherein: the machine base (13) comprises a bottom plate (131) and two side plates (132) vertically arranged on the bottom plate (131), the two side plates (132) are arranged in parallel, third sliding grooves (133) are formed in the side plates (132), the third sliding grooves (133) extend along the length direction of the side plates (132), the swinging seat (14) is arranged between the two side plates (132), third convex blocks (141) are fixedly arranged on the outer walls, close to the two side plates (132), of the swinging seat (14), the third convex blocks (141) are arranged in the third sliding grooves (133) and are matched with each other, the motor (11) is fixedly arranged on the bottom plate (131), the output end of the motor (11) is fixedly connected with a cam (12), the cam (12) is arranged between the two side plates (132), and the cam (12) is abutted against the side walls of the swinging seat (14), a spring (134) is arranged in the third sliding groove (133), one end of the spring (134) is fixedly connected with the third bump (141), and the other end of the spring (134) is fixedly connected with the inner wall, far away from the cam (12), of the third sliding groove (133).

8. The screening apparatus for the geotechnical test according to claim 7, wherein: the reciprocating direction of the swing seat (14) is parallel to the side wall of the opening of the placing box (15).

Images