CN214107836U

CN214107836U - Square hole gravel sieve structure for concrete test

Info

Publication number: CN214107836U
Application number: CN202023314029.7U
Authority: CN
Inventors: 王松蔚; 贾卫东
Original assignee: Qingdao Sanchengshang Concrete Co ltd
Current assignee: Rizhao Shengya New Building Materials Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-09-03
Anticipated expiration: 2030-12-31

Abstract

The utility model relates to the technical field of construction engineering, in particular to a square-hole sand-gravel screen structure for concrete testing, comprising a box body and a first sieve plate. A motor is fixedly connected to the left side of the top surface of the box body, a connecting rod is fixedly connected to the end of the main shaft of the motor, an eccentric block is fixedly connected to the outer side of the bottom end of the connecting rod, and a fixed frame is slidably connected to the right end surface of the eccentric block. , a first horizontal rod is fixedly connected to the inner side of the left end face of the box body, and the first horizontal rod is slidably connected to the fixing frame, and a second horizontal rod is fixedly connected to the inner side of the right end face of the box body, and the second horizontal rod is connected with The fixed frame is slidably connected. In this utility model, the motor, the connecting rod, the eccentric block, the second sieve plate, the through hole and the second spring are provided to realize the automatic screening of the sand and gravel, which increases the vibration amplitude and reduces the labor force. It can meet the needs of various sizes of sand and gravel, and improve the applicability of the device.

Description

Square hole gravel sieve structure for concrete test

Technical Field

The utility model relates to a building engineering technical field specifically is a concrete test is with square hole grit sieve structure.

Background

The sand and stone is a loose mixture of sand grains and broken stones, which is one of important raw materials of concrete, the diameter of the sand and stone has a large influence on the performance of the concrete, the sand and stone have good hardness and stable chemical properties, the square hole sand and stone sieve is mainly used for accurately sieving, filtering and detecting the granularity structure, the liquid solid content and the impurity content of granular and powdery materials by inspection departments such as laboratories, article screening, sieving, grading and the like, and is also widely used for scientific research production, laboratories, quality inspection rooms and the like of departments such as metallurgy, powder, chemical industry, medicine, building materials, geology, national defense and the like, and the application of the square hole sand and stone sieve structure is increasingly wide along with the development of the building industry, so the demand for the square hole sand and stone sieve structure for the concrete test is increasingly increased.

Current square hole grit sieve structure is simple structure generally, and the function is single, and is carrying out the screening process to the grit because the shake range of grit separating screen is little, the vibration effect is poor for grit separation efficiency is lower, makes the efficiency of screening reduce, and can not adjust the clearance of sieve, can't satisfy multiple grit size demand, makes the device have certain limitation, consequently, provides a square hole grit sieve structure for the concrete test to above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a concrete test is with square hole grit sieve structure to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a square hole gravel sieve structure for concrete tests comprises a box body and a first sieve plate, wherein a feed inlet is arranged at the middle position of the inner side of the top end face of the box body, a motor is fixedly connected to the left side of the top end face of the box body, a connecting rod is fixedly connected to the tail end of a main shaft of the motor, an eccentric block is fixedly connected to the outer side of the bottom end of the connecting rod, a fixed frame is slidably connected to the right end face of the eccentric block, a first horizontal rod is fixedly connected to the inner side of the left end face of the box body and slidably connected with the fixed frame, a second horizontal rod is fixedly connected to the inner side of the right end face of the box body and slidably connected with the fixed frame, a limiting block is fixedly connected to the right end face of the first horizontal rod and the left end face of the second horizontal rod, a first spring is fixedly connected to the left end face of the limiting block and fixedly connected with the fixed frame, the utility model discloses a box, including fixed frame, first sieve of inboard fixedly connected with of fixed frame, the inboard fixedly connected with second spring of the left end face of fixed frame, second spring other end fixedly connected with second sieve, and second sieve and first sieve sliding connection, the right-hand member face sliding connection of second sieve has the ejector pad, the right-hand member face fixedly connected with threaded rod of ejector pad, and the threaded rod rotates with fixed frame to be connected, the right-hand member face fixedly connected with rolling disc of threaded rod, the right-hand member face hinged joint of box has the chamber door, the right-hand member face fixedly connected with handle of chamber door, the right-hand member face fixedly connected with controller of box.

Preferably, the number of the first springs is 4.

Preferably, the inner sides of the first sieve plate and the second sieve plate are provided with a plurality of through holes, and the positions of the through holes correspond to each other.

Preferably, the outer side of the handle is provided with anti-skid grains.

Preferably, the cross-sectional area of the rotary disk is a regular hexagon.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in, motor through setting up, the connecting rod, the eccentric block, first horizon bar, fixed frame, first spring, make the motor drive the connecting rod and rotate, the eccentric block carries out intermittent type contact with fixed frame, when eccentric block and fixed frame contact, fixed frame slides right on first horizon bar, make first spring compression, when the eccentric block breaks away from with fixed frame, fixed frame resets under the elastic action of first spring, and then vibrations about making fixed frame carry out, increase the range of shaking, make grit separation efficiency higher, alleviate staff's intensity of labour.

2. The utility model discloses in, through the first sieve, second sieve, through-hole, second spring, ejector pad, threaded rod, the rolling disc that sets up, make the rolling disc drive the threaded rod and rotate at the inboard of fixed frame, and then make the threaded rod drive the ejector pad and move to the left, make the second sieve slide in fixed frame inboard, the compression of second spring makes the through-hole between first sieve and the second sieve produce the dislocation, and then obtains not unidimensional grit, satisfies multiple demand, has improved the suitability of device.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the structure at A of FIG. 1 according to the present invention;

fig. 3 is a schematic structural diagram of the point B in fig. 1 according to the present invention.

In the figure: 1-box body, 2-feed inlet, 3-motor, 4-connecting rod, 5-eccentric block, 6-first horizontal rod, 7-second horizontal rod, 8-fixing frame, 9-limiting block, 10-first spring, 11-first sieve plate, 12-second sieve plate, 13-through hole, 14-second spring, 15-push block, 16-threaded rod, 17-rotary disk, 18-box door, 19-handle and 20-controller.

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 square hole sand and stone sieve structure for concrete test comprises a box body 1 and a first sieve plate 11, a feed inlet 2 is arranged at the middle position of the inner side of the top end face of the box body 1, a motor 3 is fixedly connected to the left side of the top end face of the box body 1, a connecting rod 4 is fixedly connected to the tail end of a main shaft of the motor 3, an eccentric block 5 is fixedly connected to the outer side of the bottom end of the connecting rod 4, a fixed frame 8 is slidably connected to the right end face of the eccentric block 5, a first horizontal rod 6 is fixedly connected to the inner side of the left end face of the box body 1, the first horizontal rod 6 is slidably connected with the fixed frame 8, a second horizontal rod 7 is fixedly connected to the inner side of the right end face of the box body 1, the second horizontal rod 7 is slidably connected with the fixed frame 8, a limit block 9 is fixedly connected to the right end face of the first horizontal rod 6 and the left end face of the second horizontal rod 7, a first spring 10 is fixedly connected to the left end face of the limit block 9, and the first spring 10 is fixedly connected with the fixed frame 8, the inboard fixedly connected with first sieve 11 of fixed frame 8, the inboard fixedly connected with second spring 14 of the left end face of

fixed frame

8, 14 other end fixedly connected with second sieve 12 of second spring, and second sieve 12 and first sieve 11 sliding connection, the right-hand member face sliding connection of second sieve 12 has ejector pad 15, the right-hand member face fixedly connected with threaded rod 16 of ejector pad 15, and threaded rod 16 rotates with fixed frame 8 to be connected, the right-hand member face fixedly connected with rolling disc 17 of threaded rod 16, the right-hand member face hinged joint of box 1 has box door 18, the right-hand member face fixedly connected with handle 19 of box door 18, the right-hand member face fixedly connected with controller 20 of box 1.

The quantity of first spring 10 is 4, an automatic re-setting for fixed frame 8, make fixed frame 8 normally move, the inboard of first sieve 11 and second sieve 12 all is equipped with a plurality of through-holes 13, and through-hole 13 position is corresponding, make the clearance change between the through-hole 13 through adjusting second sieve 12, can obtain not unidimensional grit, satisfy different user demands, the outside of handle 19 is equipped with anti-skidding line, increase the friction between hand and the handle, the cross-sectional area of rolling disc 17 is regular hexagon, be convenient for exert force, alleviate operating personnel's intensity of labour.

The working process is as follows: the utility model discloses need first carry out external power supply before using, then through twisting rotating disc 17, make rotating disc 17 drive threaded rod 16 rotate in the inboard of fixed frame 8, and then make threaded rod 16 drive ejector pad 15 and move to the left, make second sieve 12 slide in fixed frame 8 inboard, second spring 14 compresses, make the through-hole between first sieve 11 and the second sieve 12 produce the dislocation, and then obtain different size grit, satisfy multiple demands, the suitability of device has been improved, and can be through making threaded rod 16 move to the left in-process, make second sieve 12 break away from fixed frame 8, realize the dismantlement to second sieve 12, be convenient for change and maintenance, then pour grit into fixed frame 8 through feed inlet 2, through controller 20 start motor 3, make motor 3 drive connecting rod 4 rotate, eccentric block 5 and fixed frame 8 carry out intermittent type contact, when eccentric block 5 and fixed frame 8 contact, fixed frame 8 slides right on first horizon bar 6, make first spring 10 compress, when eccentric block 5 breaks away from with fixed frame 8, fixed frame 8 resets under first spring 10's elastic action, and then vibrations about making fixed frame 8, realize the autofilter to the grit, alleviate staff's intensity of labour, the screening obtains the grit and falls into the bottom of box 1, when piling up too much bottom box 1, open chamber door 18 through pulling handle 19, the grit in the box 1 is cleared up.

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 square-hole sand-gravel sieve structure for concrete testing, comprising a box (1) and a first sieve plate (11), characterized in that: the inner middle position of the top surface of the box (1) is provided with a feed Port (2), a motor (3) is fixedly connected to the left side of the top surface of the box body (1), a connecting rod (4) is fixedly connected to the end of the main shaft of the motor (3), and the connecting rod (4) An eccentric block (5) is fixedly connected to the outer side of the bottom end of the eccentric block (5), a fixed frame (8) is slidably connected to the right end surface of the eccentric block (5), and a first horizontal rod is fixedly connected to the inner side of the left end surface of the box body (1). (6), and the first horizontal rod (6) is slidably connected with the fixing frame (8), the inner side of the right end face of the box body (1) is fixedly connected with a second horizontal rod (7), and the second horizontal rod (7) ) is slidably connected with the fixed frame (8), the right end face of the first horizontal rod (6) and the left end face of the second horizontal rod (7) are fixedly connected to the limit block (9), and the limit block (9) on the left A first spring (10) is fixedly connected to the left end surface of the position block (9), and the first spring (10) is fixedly connected to a fixing frame (8), and a first sieve plate is fixedly connected to the inner side of the fixing frame (8). (11), a second spring (14) is fixedly connected to the inner side of the left end face of the fixing frame (8), and a second screen plate (12) is fixedly connected to the other end of the second spring (14), and the second screen The plate (12) is slidably connected with the first sieve plate (11), the right end face of the second sieve plate (12) is slidably connected with a push block (15), and the right end face of the push block (15) is fixedly connected with threads Rod (16), and the threaded rod (16) is rotatably connected with the fixing frame (8), the right end face of the threaded rod (16) is fixedly connected with a rotating plate (17), and the right end face of the box (1) is hinged A box door (18) is connected, a handle (19) is fixedly connected to the right end surface of the box door (18), and a controller (20) is fixedly connected to the right end surface of the box body (1).

2 . The square-hole sand-gravel screen structure for concrete testing according to claim 1 , wherein the number of the first springs ( 10 ) is 4. 3 .

3. A kind of square-hole sand-gravel sieve structure for concrete test according to claim 1, characterized in that: the inner side of the first sieve plate (11) and the second sieve plate (12) are provided with a plurality of through holes hole (13), and the position of the through hole (13) is corresponding.

4 . The square-hole sand-gravel sieve structure for concrete testing according to claim 1 , wherein the outside of the handle ( 19 ) is provided with anti-skid patterns. 5 .

5 . The square-hole sand-gravel screen structure for concrete testing according to claim 1 , wherein the cross-sectional area of the rotating disk ( 17 ) is a regular hexagon. 6 .