CN211374399U

CN211374399U - Los angeles abrasion testing machine convenient to sieve material

Info

Publication number: CN211374399U
Application number: CN201922427202.5U
Authority: CN
Inventors: 邓忠林; 杨嘉杰
Original assignee: Xiamen Municipal Engineering Research Institute Co ltd
Current assignee: Xiamen Municipal Engineering Research Institute Co ltd
Priority date: 2019-12-28
Filing date: 2019-12-28
Publication date: 2020-08-28
Anticipated expiration: 2029-12-28

Abstract

The utility model belongs to the technical field of test instrument technique and specifically relates to a los angeles abrasion testing machine convenient to sieve material is related to, its technical scheme main points are: comprises a roller, wherein the roller is provided with an opening, the opening is provided with a sealing cover, and a bracket is arranged below the roller; the material containing component is used for containing a material collecting sample discharged in the roller and comprises a bearing chassis and a screening disc, the bearing chassis is arranged on the support and is positioned right below the roller; the supporting chassis is arranged on the supporting chassis in a sliding manner along the horizontal direction, and the bottom of the screening tray is provided with screening holes; the driving mechanism is arranged on the support and used for driving the screening tray to reciprocate along the horizontal direction. This abrasion testing machine can be convenient for the staff to sieve the material and collect the sample that gathers materials to play the effect that promotes test efficiency.

Description

Los angeles abrasion testing machine convenient to sieve material

Technical Field

The utility model belongs to the technical field of test instrument technique and specifically relates to a los angeles abrasion testing machine convenient to sieve material is related to.

Background

Aggregate is one of main composition materials of concrete, mainly plays a role of skeleton and filling, and in order to detect whether the aggregate meets the construction standard, a los Angeles abrasion tester is usually used for testing the abrasion rate of the aggregate; the method is mainly characterized in that an aggregate sample and a steel ball are added into a wear tester at the same time, after a certain number of rotations, the aggregate sample is worn under the combined action of friction, impact, shearing and the like of the aggregate sample and the steel ball, and the quality loss caused by the wear is the wear rate.

Chinese patent No. CN205280527U discloses a los angeles abrasion tester with sieve holes, which comprises a roller arranged on a support, wherein the roller is provided with a material inlet and a material outlet, a sealing cover is arranged on the material inlet and the material outlet, the roller is driven by a motor, the los angeles abrasion tester further comprises a movable screen, the geometric shape and size of the movable screen are matched with the geometric shape and size of the material inlet and outlet, and the movable screen can cover the material inlet and outlet. After the abrasion test is finished, the sealing cover is replaced by the movable screen, and the abraded crushed aggregates can be screened during discharging.

The above prior art solutions have the following drawbacks: in the actual ejection of compact process, the staff need dismantle sealed lid earlier and adorn the screen cloth and sieve the back, demolish the screen cloth again and carry out the ejection of compact in order to collect the sample that gathers materials and be used for follow-up weighing, and whole process is loaded down with trivial details time-consuming, seriously influences experimental efficiency.

Disclosure of Invention

Not enough to prior art exists, one of the purposes of the utility model is to provide a los Angeles abrasion tester convenient to sieve material, this abrasion tester can be convenient for the staff to sieve the material and collect the sample that gathers materials to play the effect that promotes test efficiency.

The above technical purpose of the present invention can be achieved by the following technical solutions: a los Angeles abrasion tester convenient to sieve materials comprises a roller, wherein the roller is provided with an opening, a sealing cover is arranged at the opening, and a support is arranged below the roller; the material containing component is used for containing a material collecting sample discharged from the roller and comprises a bearing chassis and a screening disc, the bearing chassis is arranged on the support and is positioned right below the roller; the bearing chassis is arranged on the bearing chassis in a sliding manner along the horizontal direction, and sieve holes are formed in the bottom of the sieve tray; the driving mechanism is arranged on the support and used for driving the screening tray to reciprocate along the horizontal direction.

By adopting the technical scheme, after the abrasion test is finished, the sealing cover is opened to discharge an aggregate sample in the roller to the material containing assembly, the aggregate sample falls into the sieve tray, most of the abraded particles can fall into the bearing chassis through sieve holes, the sieve tray is driven by the driving mechanism to reciprocate along the horizontal direction, so that the sieving effect of the aggregate sample in the sieve tray is realized, the rest abraded particles can fall into the bearing chassis through the sieve holes in the sieving process, and the condition that the experiment precision is influenced due to insufficient sieving can be reduced; after the screening, the wearing and tearing crushed aggregates in the sample that gathers materials is collected to the bearing chassis, and the sample that gathers materials that need weigh then collects in the sieve charging tray to supply the staff to carry out follow-up work to it, the convenient sieve material and the collection of the sample that has gathered materials of having realized, play the effect that promotes test efficiency.

Preferably, the driving mechanism comprises a turntable, a connecting rod, a push rod and a driving piece, the turntable is rotatably arranged on the bracket, and one end of the connecting rod is eccentrically hinged to the turntable; the push rod is arranged on the support in a sliding manner along the movement direction of the screening disc, one end of the push rod is connected with the screening disc, and the other end of the push rod is hinged with one end of the connecting rod, which is far away from the rotary disc; the driving piece is connected with the rotary table and used for driving the rotary table to rotate.

Through adopting above-mentioned technical scheme, driving piece drive carousel rotates, utilizes the transmission of connecting rod, can drive the push rod and carry out reciprocating motion along the direction of motion of sieve charging tray to realize actuating mechanism to the drive effect of sieve charging tray.

Preferably, the lateral wall of bearing chassis is equipped with spacing hole, spacing hole is used for supplying the push rod to run through, and slides with the push rod and be connected.

Through adopting above-mentioned technical scheme, the cooperation of sliding between push rod and the spacing hole has realized sliding between push rod and the bearing chassis and has been connected, has realized promptly that sliding between push rod and the support is connected, simultaneously, utilizes spacing hole can play fine spacing and guide effect to the push rod to make the push rod receive the drive and the process of motion more stable.

Preferably, a connecting block is arranged at one end, close to the screening tray, of the push rod, the connecting block is provided with a threaded hole, and a through hole is formed in the side wall of the screening tray; and butterfly bolts are arranged between the connecting blocks and the screening tray, penetrate through the through holes and are in threaded connection with the threaded holes.

By adopting the technical scheme, the butterfly bolt penetrates through the through hole and is in threaded connection with the threaded hole, so that the fixed connection between the screening tray and the connecting block is realized, namely the fixed connection between the screening tray and the push rod is realized; meanwhile, the butterfly bolt is provided with the butterfly portion convenient for a worker to hold, and the worker can loosen and tighten the butterfly bolt conveniently, so that the sieve tray and the push rod can be disassembled and assembled conveniently and quickly.

Preferably, the two side walls of the screening tray perpendicular to the moving direction of the screening tray are provided with convex edges, the lower end faces of the convex edges are provided with sliding grooves, and the upper end face of the bearing chassis is provided with a sliding block matched with the sliding grooves in a sliding mode.

Through adopting above-mentioned technical scheme, the cooperation of sliding between spout and the slider can realize the sieve charging tray and be connected with sliding between the bearing chassis, and simple structure is practical.

Preferably, the upper end surface of the convex edge is also provided with a handle.

Through adopting above-mentioned technical scheme, the setting of handle is convenient for the staff and is gripped to it is more convenient to make the staff get the process of putting sieve charging tray.

Preferably, the material guide device also comprises a material guide hopper, wherein the material guide hopper is arranged on the bracket and is provided with a feeding hole and a discharging hole from top to bottom; the feed inlet faces the roller and is larger than the opening of the roller; the discharge gate is towards the sieve charging tray, just the discharge gate is less than the upper end dish mouth of sieve charging tray.

Through adopting above-mentioned technical scheme, when the sample that gathers materials to in the cylinder carries out the ejection of compact, the guide fill can play the guide effect to the sample that gathers materials to make the sample that gathers materials can be more convenient fall into to the sieve charging tray in, and reducible wearing and tearing crushed aggregates in small, broken bits fall into the condition outside the sieve charging tray.

Preferably, the driving part is a driving motor, the driving motor is arranged on the support, and the driving motor and the turntable are coaxially arranged.

Through adopting above-mentioned technical scheme, the rotation of carousel can be realized to the start-up driving motor, and operation process convenient and fast.

To sum up, the utility model discloses a following at least one useful technological effect:

1. screening and collection of aggregate samples are conveniently realized, the effect of improving the test efficiency is achieved, and the condition that the experiment precision is influenced due to insufficient screening can be reduced;

2. the butterfly bolt is provided with a butterfly part which is convenient for workers to hold, so that the workers can loosen and tighten the butterfly bolt conveniently, and the sieve tray and the push rod are both convenient and quick to disassemble and assemble;

3. the guide hopper can play the guide effect to the sample that gathers materials to make the sample that gathers materials can be more convenient fall into to the sieve charging tray in, and reduce the wearing and tearing crushed aggregates of fine crushing and fall into the condition outside the sieve charging tray.

Drawings

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

Fig. 2 is a schematic structural diagram of the material containing assembly and the driving mechanism in the embodiment of the present invention.

Fig. 3 is a schematic view of the connection relationship between the material holding assembly and the driving mechanism in the embodiment of the present invention.

Reference numerals: 1. a drum; 1a, an opening; 2. a sealing cover; 2a, a handle; 3. a support; 3a, a base; 3b, a mounting rack; 3c, a support leg; 4. supporting a chassis; 4a, a sliding block; 5. screening the material plate; 5a, screening holes; 5b, through holes; 6. a turntable; 7. a connecting rod; 8. a push rod; 9. a drive motor; 10. a limiting hole; 11. connecting blocks; 11a, a threaded hole; 12. a butterfly bolt; 13. a convex edge; 13a, a chute; 13b, a handle; 14. a material guide hopper; 14a, a feed inlet; 14b, a discharge hole; 15. a control box; 16. and a limiting block.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, the los angeles abrasion tester convenient for screening disclosed by the utility model comprises a bracket (3), a roller (1), a material containing assembly, a driving mechanism and a material guide hopper (14), specifically, the bracket (3) comprises a base (3a), an installation frame (3b) and support legs (3c), and the base (3a) is in a rectangular frame shape; the number of the mounting frames (3b) is two, the two mounting frames (3b) are parallel to each other, and the two mounting frames (3b) are welded on the base (3a) at intervals along the length direction of the base (3 a); simultaneously, stabilizer blade (3c) are the cuboid form, and the quantity of stabilizer blade (3c) is four, and four stabilizer blade (3c) all weld in four edges and corners of terminal surface under mounting bracket (3b), for base (3a) provide the support.

In addition, the roller (1) is a cylindrical barrel with a hollow interior, and the roller (1) is rotatably arranged between the two mounting frames (3 b). An opening (1a) for taking and placing aggregate samples is formed in the side wall of the roller (1), a sealing cover (2) is further mounted at the opening (1a) through bolts, the sealing cover (2) is used for closing and sealing the opening (1a), and a handle (2a) for holding by workers is welded on one side, away from the opening (1a), of the sealing cover (2). In addition, a control box (15) for controlling the rotation of the rotary drum is fixedly arranged on the base (3 a).

Referring to fig. 1 and 2, material containing component is installed on base (3a), and material containing component is used for the sample of gathering materials of ejection of compact in cylinder (1) to carry out the splendid attire, specifically, material containing component includes bearing chassis (4) and sieve charging tray (5). The supporting chassis (4) is arranged on a base (3a) right below the roller (1), and correspondingly, a limiting block (16) is welded at one end of the base (3 a); one end and stopper (16) looks butt of bearing chassis (4), and the other end offsets with the lateral wall of control box (15) to through stopper (16) and control box (15) to the butt effect of the relative both sides wall of bearing chassis (4), play limiting displacement to bearing chassis (4).

In addition, the screening tray (5) is arranged on the bearing chassis (4) in a sliding manner along the length direction of the base (3a), specifically, two side walls of the screening tray (5) perpendicular to the movement direction of the screening tray (5) are respectively extended with a convex edge (13), and the lower end surface of each convex edge (13) is provided with a sliding groove (13 a); correspondingly, the upper end face of the bearing chassis (4) is welded with a strip-shaped sliding block (4a) which is in sliding fit with the sliding groove (13 a); through the sliding fit between the sliding groove (13a) and the sliding block (4a), the sliding connection between the screening tray (5) and the bearing chassis (4) can be realized. In addition, a handle (13b) for a worker to hold is fixedly arranged on the upper end surface of the convex edge (13); simultaneously, a plurality of sieve mesh (5a) that are used for the sieve material are seted up to the bottom of sieve charging tray (5), and the aperture of sieve mesh (5a) specifically is 1.7 mm.

Referring to fig. 2 and 3, the driving mechanism is mounted on the base (3a), and the driving mechanism is used for driving the screening tray (5) to reciprocate along the length direction of the base (3a) so as to realize better screening of the aggregate sample in the screening tray (5); specifically, actuating mechanism includes carousel (6), connecting rod (7), push rod (8) and driving piece, and wherein, carousel (6) are the disc of level setting, and carousel (6) rotate and install on base (3 a). The connecting rod (7) is a rectangular rod which is horizontally arranged, and one end of the connecting rod (7) is eccentrically hinged on the turntable (6); push rod (8) also are the rectangle pole that the level set up, set up on bearing chassis (4) and supply push rod (8) to run through and spacing hole (10) that slide, through the connection of sliding between spacing hole (10) and push rod (8), can play fine spacing and guide effect to push rod (8).

In addition, one end of the push rod (8) is hinged with one end of the connecting rod (7) far away from the turntable (6), and the other end of the push rod is fixedly provided with a connecting block (11). The connecting block (11) is a rectangular block, the end face, far away from the push rod (8), of the connecting block (11) is used for abutting against the side wall of the screening tray (5), and two threaded holes (11a) are formed in the end face; correspondingly, two through holes (5b) are formed in the side wall of the screening tray (5), a butterfly bolt (12) is installed between the connecting block (11) and the screening tray (5), and the butterfly bolt (12) penetrates through the through holes (5b) and is in threaded connection with the threaded hole (11a), so that the push rod (8) and the screening tray (5) are connected. In addition, the driving part is a driving motor (9), the driving motor (9) is fixedly arranged on the lower end face of the base (3a), and an output shaft of the driving motor (9) is connected with a rotating shaft of the turntable (6), so that the driving motor (9) can drive the turntable (6) to rotate.

Referring to fig. 1 and 2, a fixing rod of the material guide hopper (14) is installed on the installation frame (3b), and the material guide hopper (14) is provided with a feeding hole (14a) and a discharging hole (14b) from top to bottom; wherein the feed inlet (14a) faces the roller (1), and the feed inlet (14a) is larger than the opening (1a) of the roller (1); on the other hand, the discharge hole (14b) faces the screening tray (5), and the discharge hole (14b) is smaller than the upper end tray opening of the screening tray (5). When the sample that gathers materials to in cylinder (1) carries out the ejection of compact, guide hopper (14) can play the guide effect to the sample that gathers materials to make the sample that gathers materials can be more convenient fall into to sieve charging tray (5) in, and reducible fine and broken wearing and tearing crushed aggregates fall into the condition outside sieve charging tray (5).

The implementation principle of the embodiment is as follows: after the abrasion test is finished, the sealing cover (2) is opened to discharge an aggregate sample in the roller (1) to the material containing assembly under the guiding action of the material guide hopper (14), the aggregate sample firstly falls into the screening disc (5), and most of the abraded materials fall into the bearing chassis (4) through the screening holes (5 a); after the discharging is finished, a driving motor (9) is started to drive the rotary table (6) to rotate, and the driving action of the connecting rod (7) is utilized to drive the push rod (8) to reciprocate along the movement direction of the screening disc (5) so as to realize the screening effect on the aggregate sample in the screening disc (5); thereby make surplus wearing and tearing crushed aggregates can fall into bearing chassis (4) through sieve mesh (5a) at the sieve move the in-process, can play and reduce the condition that the screening is insufficient and influence the experiment precision. After the screening, the wearing and tearing crushed aggregates in the sample that gathers materials is collected to bearing chassis (4), and the sample that gathers materials that need weigh then collects in sieve charging tray (5) to supply the staff to carry out follow-up work to it, the convenient sieve material and the collection that have realized the sample that gathers materials play the effect that promotes test efficiency.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a los Angeles abrasion testing machine convenient to sieve material, includes cylinder (1), cylinder (1) is equipped with opening (1a), just opening (1a) department is equipped with sealed lid (2), the below of cylinder (1) is equipped with support (3), its characterized in that: the material containing component is used for containing a material collecting sample discharged in the roller (1), and comprises a bearing chassis (4) and a material sieving disc (5), wherein the bearing chassis (4) is arranged on the bracket (3), and the bearing chassis (4) is positioned under the roller (1); the bearing chassis (4) is arranged on the bearing chassis (4) in a sliding manner along the horizontal direction, and sieve holes (5a) are formed in the bottom of the sieve tray (5); the driving mechanism is arranged on the support (3) and is used for driving the screening disc (5) to reciprocate along the horizontal direction.

2. The los angeles abrasion tester facilitating material screening, according to claim 1, wherein: the driving mechanism comprises a turntable (6), a connecting rod (7), a push rod (8) and a driving piece, the turntable (6) is rotatably arranged on the support (3), and one end of the connecting rod (7) is eccentrically hinged to the turntable (6); the push rod (8) is arranged on the support (3) in a sliding manner along the movement direction of the screening disc (5), one end of the push rod (8) is connected with the screening disc (5), and the other end of the push rod (8) is hinged with one end, away from the rotary disc (6), of the connecting rod (7); the driving piece is connected with the rotary table (6) and used for driving the rotary table (6) to rotate.

3. The los angeles abrasion tester facilitating material screening according to claim 2, wherein: the lateral wall of bearing chassis (4) is equipped with spacing hole (10), spacing hole (10) are used for supplying push rod (8) to run through, just slide with push rod (8) and be connected.

4. The los Angeles abrasion tester facilitating screen material of claim 2 or 3, wherein: one end of the push rod (8) close to the screening disc (5) is provided with a connecting block (11), the connecting block (11) is provided with a threaded hole (11a), and the side wall of the screening disc (5) is provided with a through hole (5 b); butterfly bolts (12) are arranged between the connecting block (11) and the screening tray (5), and the butterfly bolts (12) penetrate through the through holes (5b) and are in threaded connection with the threaded holes (11 a).

5. The los angeles abrasion tester facilitating material screening, according to claim 1, wherein: sieve charging tray (5) perpendicular to sieve charging tray (5) direction of motion's both sides wall all is equipped with protruding edge (13), the lower terminal surface of protruding edge (13) is equipped with spout (13a), the up end of bearing chassis (4) is equipped with slides complex slider (4a) with spout (13 a).

6. The los Angeles abrasion tester facilitating material screening according to claim 5, wherein: the upper end surface of the convex edge (13) is also provided with a handle (13 b).

7. The los angeles abrasion tester facilitating material screening, according to claim 1, wherein: the material guide device is characterized by further comprising a material guide hopper (14), wherein the material guide hopper (14) is arranged on the support (3), and the material guide hopper (14) is provided with a feeding hole (14a) and a discharging hole (14b) from top to bottom; the feed inlet (14a) faces the roller (1), and the feed inlet (14a) is larger than the opening (1a) of the roller (1); the discharge port (14b) faces the screening tray (5), and the discharge port (14b) is smaller than an upper end tray opening of the screening tray (5).

8. The los angeles abrasion tester facilitating material screening according to claim 2, wherein: the driving piece is a driving motor (9), the driving motor (9) is arranged on the support (3), and the driving motor (9) and the turntable (6) are coaxially arranged.