CN217180268U

CN217180268U - Vibration leveling device for stone crushing value instrument

Info

Publication number: CN217180268U
Application number: CN202221104477.0U
Authority: CN
Inventors: 陈汉权; 罗运泉; 朱俊胜
Original assignee: Guangdong Hanjiang Engineering General Contracting Co ltd
Current assignee: Guangdong Hanjiang Engineering General Contracting Co ltd
Priority date: 2022-05-10
Filing date: 2022-05-10
Publication date: 2022-08-12
Anticipated expiration: 2032-05-10

Abstract

The utility model discloses a vibration leveling device for a stone crushing value instrument; belongs to the technical field of measurement of stone crushing value; the device is characterized by comprising a base, a bottom plate and a test cylinder, wherein the bottom plate and the test cylinder are matched and used for testing a crushing value; the bottom plate and the test tube are placed on the vibration platform, and a lifting assembly opposite to the test tube is arranged on the vibration platform at the periphery of the bottom plate; a leveling pressure plate matched with the inner cavity of the test cylinder is arranged above the test cylinder, and a self-tensioning assembly is connected between the leveling pressure plate and the lifting assembly; the utility model aims to provide a vibration leveling device with simple structure and convenient operation; the device is used for vibrating and flattening the surface of the crushed stone in the crushing value instrument.

Description

Vibration leveling device for stone crushing value instrument

Technical Field

The utility model relates to a vibration levels the device, and more specifically says, especially relates to a vibration that stone crushing value appearance was used levels device.

Background

The crush value is an indication of the resistance of the aggregate to crushing, and is the ratio of the weight of crushed chips to the total weight of the test specimen, expressed as a percentage, measured according to a specified test method.

The measuring process of the crushing value is as follows, firstly, the screened samples are loaded into a test cylinder of a crushing value instrument layer by layer, each layer of the samples is loaded to vibrate and tamp once, finally, the surfaces of the samples are leveled and covered with a pressure head, and the crushing value instrument is placed on a press machine to crush the samples.

In present experimental flow, for the vibration of sample real mode to fill up under the chassis and put a diameter for 10 mm's round steel, press a section of thick bamboo and live, control each 25 times of jolting ground in turn, still need flatten the stone surface with the pressure head when covering the pressure head at last, make the pressure head bottom surface keep the level, whole process is carried out by the experimenter by hand, not only the operation is hard, and the level and smooth degree of stone is relevant with the experimenter operation proficiency moreover, therefore the experimental accuracy is lower.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a simple structure, convenient operation's vibration levels device to above-mentioned prior art not enough.

The technical scheme of the utility model is realized like this: the utility model provides a vibration that stone crushing value appearance was used levels device, includes base and the bottom plate and the examination section of thick bamboo that cooperate and be used for testing the crushing value, be equipped with vibration platform on the base, vibration platform is connected with the horizontal vibration subassembly.

The base plate and the test tube are placed on the vibration platform, and the lifting assembly opposite to the test tube is arranged on the vibration platform on the periphery of the base plate.

A flattening pressing plate matched with the inner cavity of the test tube is arranged above the test tube, and a self-tensioning assembly is connected between the flattening pressing plate and the lifting assembly. When the horizontal vibration component works, the lower surface of the leveling pressing plate is always in contact with stones in the test tube.

In the vibration leveling device for the stone crushing value instrument, the self-tensioning assembly comprises a mounting plate connected to the lifting assembly, a plurality of first springs are distributed on the bottom of the mounting plate, and the free ends of the first springs are connected with the leveling pressing plate.

The flat pressing plate is vertically provided with a first guide rod upwards, the mounting plate is provided with a first guide hole matched with the first guide rod, and the first guide rod is connected with the first guide hole through a shaft sleeve.

In the vibration leveling device for the stone crushing value instrument, the plurality of fastening clamping seats are distributed at intervals along the circumferential direction on the proximal end part of the lower end of the outer wall of the test tube, the hinging seats which are in one-to-one correspondence with the fastening clamping seats are arranged on the bottom plate, and quick-connection bolts matched with the fastening clamping seats are hinged on the hinging seats.

In the vibration leveling device for the stone crushing value instrument, the horizontal vibration component comprises a guide rail arranged on the base, and a sliding seat used for installing a vibration platform is arranged on the guide rail.

The base at one end along the length direction of the guide rail is provided with a motor, and the output end of the motor is connected with an eccentric wheel matched with the vibration platform. When the horizontal vibration component works, the outer wall of the eccentric wheel is always in contact with the outer wall of the vibration platform. And a second spring connected with the vibration platform is horizontally arranged on the base at the other end of the guide rail.

In the vibration leveling device for the stone crushing value instrument, the vibration platform is provided with a positioning groove for placing the bottom plate, and the positioning groove and the leveling pressing plate are arranged coaxially and oppositely.

In the vibration leveling device for the stone crushing value instrument, the lifting assembly comprises a support arranged on the vibration platform on the periphery of the bottom plate, and a lifting cylinder connected with the self-tensioning assembly is arranged on the support.

And second guide holes are formed in the supports on the two sides of the lifting cylinder, and second guide rods connected with the self-tensioning assembly are arranged in the second guide holes through shaft sleeves.

The utility model adopts the above structure after, with bottom plate and examination section of thick bamboo cooperation and place it on vibration platform, carry out the vibration of horizontal direction through horizontal vibration subassembly drive vibration platform to the stone in the examination section of thick bamboo and level. Only reciprocating vibration in the horizontal direction is performed, so that downward vibration generated by a vibration motor can be avoided, and the requirement on the installation position of the device can be lowered.

Meanwhile, through the matching of the leveling pressing plate and the self-tensioning assembly, when the test tube vibrates, the leveling pressing plate is always in contact with stones in the test tube and keeps proper pressure, so that the stones cannot move due to the fact that the stones are not compressed, and the stones can be kept flat and smooth on the upper end surface in the moving process. Moreover, due to the adoption of an automatic vibrating device, stones are not required to be added in a layered mode, and the stones can be leveled in one-step vibration mode, so that the efficiency is greatly improved, the time and the labor are saved, the leveling effect is consistent, and the subsequent stone crushing value test is facilitated.

Drawings

The present invention will be described in further detail with reference to the following examples, which are not intended to limit the invention.

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic front view of the present invention;

fig. 3 is a schematic sectional structure of the present invention;

FIG. 4 is a schematic structural view of the horizontal vibration assembly of the present invention;

fig. 5 is a schematic view of the fitting structure of the bottom plate and the test tube of the present invention.

In the figure: 1. a base; 2. a base plate; 3. testing the cylinder; 4. a vibration platform; 5. a horizontal vibration assembly; 5a, a guide rail; 5b, a sliding seat; 5c, a motor; 5d, an eccentric wheel; 5e, a second spring; 6. a lifting assembly; 6a, a bracket; 6b, a lifting cylinder; 6c, a second guide hole; 6d, a second guide rod; 7. flattening the pressing plate; 8. a self-tensioning assembly; 8a, a mounting plate; 8b, a first spring; 8c, a first guide rod; 8d, a first guide hole; 9. fastening the card seat; 10. a hinged seat; 11. quickly connecting a bolt; 12. and (6) positioning a groove.

Detailed Description

Referring to fig. 1-5, the utility model discloses a vibration that stone crushing value appearance was used levels device, including base 1 and cooperate and be used for testing the bottom plate 2 and the test section of thick bamboo 3 of crushing value, preferably, there is a plurality of fastening cassette 9 at 3 outer wall lower extreme proximal end portions of test section of thick bamboo along circumference interval distribution, be equipped with on bottom plate 2 with the articulated seat 10 of each fastening cassette 9 one-to-one, articulated on each articulated seat 10 have with fastening cassette 9 complex connect bolt 11 soon. Through the cooperation of the quick-connection bolt and the fastening clamping seat, the test tube is fixed with the base, and the test tube is prevented from being dislocated or even collapsing in the vibration process.

The base 1 is provided with a vibration platform 4, and the vibration platform 4 is connected with a horizontal vibration component 5. In the present embodiment, the horizontal vibration component 5 includes a guide rail 5a disposed on the base 1, and a sliding seat 5b for mounting the vibration platform is disposed on the guide rail 5 a.

A motor 5c is arranged on the base 1 at one end along the length direction of the guide rail 5a, and the output end of the motor 5c is connected with an eccentric wheel 5d matched with the vibration platform 4. The eccentric wheel rotating shaft is connected and fixed through a shaft seat, a rotating shaft and the like, which are shown in the figure, and the specific structure mode is common knowledge in the field, and is not described again. When the horizontal vibration component 5 works, the outer wall of the eccentric wheel 5d is always contacted with the outer wall of the vibration platform 4. A second spring 5e connected with the vibration platform 4 is horizontally arranged on the base 1 at the other end of the guide rail 5 a.

The stone that adopts when carrying out the crushing value experiment is bulky and irregularly shaped, and the gap between the stone is great, and it is flat to control the vibration and can accomplish to shake, in order to reduce the damage to laboratory ground simultaneously, consequently does not adopt vibrating motor to vibrate.

The base plate 2 and the test tube 3 are placed on the vibration platform 4, and the vibration platform 4 on the periphery of the base plate 2 is provided with a lifting assembly 6 opposite to the test tube 3.

A flattening pressing plate 7 matched with the inner cavity of the test tube 3 is arranged above the test tube 3, and a self-tensioning assembly 8 is connected between the flattening pressing plate 7 and the lifting assembly 6. When the horizontal vibration component 5 works, the lower surface of the leveling pressure plate 7 is always in contact with the stones in the test tube 3.

Preferably, in the embodiment, the self-tensioning assembly 8 comprises a mounting plate 8a connected to the lifting assembly 6, a plurality of first springs 8b are distributed on the bottom of the mounting plate 8a, and the free ends of the first springs 8b are connected with the flat pressing plate 7.

A first guide rod 8c is vertically arranged upwards on the leveling pressing plate 7, a first guide hole 8d matched with the first guide rod 8c is formed in the mounting plate 8a, and the first guide rod 8c is connected with the first guide hole 8d through a shaft sleeve.

In this embodiment, the lifting assembly 6 includes a bracket 6a disposed on the vibration platform 4 at the periphery of the bottom plate 2, and a lifting cylinder 6b connected to the self-tensioning assembly 8 is disposed on the bracket 6 a.

And second guide holes 6c are formed in the supports 6a on the two sides of the lifting cylinder 6b, and second guide rods 6d connected with the self-tensioning assembly 8 are arranged in the second guide holes 6c through shaft sleeves. Under the effect of first guide bar and second guide bar, the lower surface of leveling the clamp plate can remain the horizontality all the time.

Preferably, a positioning groove 12 for placing the bottom plate 2 is arranged on the vibration platform 4, and the positioning groove 12 and the flattening pressing plate 7 are coaxially and oppositely arranged. The positioning groove is arranged, so that the test tube and the leveling press plate are aligned coaxially when the bottom plate and the test tube are placed, and the leveling press plate can smoothly enter the inner cavity of the test tube during working.

The utility model discloses in each cylinder, motor that adopt, be prior art, its theory of operation and concrete connection mode are the common general knowledge in this field, the technical point that the invention will protect, no longer describe herein.

During operation, with bottom plate and examination section of thick bamboo cooperation and place it on vibration platform, add the stone sample of selecting, after adding the stone in to the examination section of thick bamboo, lift cylinder piston rod stretches out and makes level and smooth clamp plate and examination section of thick bamboo inner chamber cooperation, levels the clamp plate lower surface and contacts with the stone in the examination section of thick bamboo all the time under the effect of mounting panel and spring, and the starter motor begins the vibration.

Because the test cylinders are consistent in size and the quantity of the added stones is not changed substantially every time, the downward pressure of the leveling press plate is controlled by presetting the descending stroke of the air cylinder at present. Of course, in order to be more automatic and humanized and ensure accuracy as much as possible, a pressure sensor may be disposed at the lower end of the spring, and the descending stroke of the cylinder is controlled by the pressure sensor, which is a conventional technical means in the field and is not described herein again.

And stopping the motor after vibrating for a preset time, lifting the leveling pressing plate, manually taking out the bottom plate and the test cylinder, covering the pressure head, and then placing the test cylinder on a press machine to crush the stones.

The above embodiment is the preferred embodiment of the present invention, which is only used to facilitate the explanation of the present invention, it is not right to the present invention, which makes the restriction on any form, and any person who knows commonly in the technical field can use the present invention to make the equivalent embodiment of local change or modification without departing from the technical features of the present invention.

Claims

1. A vibration leveling device for a stone crushing value instrument comprises a base (1), a bottom plate (2) and a test cylinder (3), wherein the bottom plate and the test cylinder are matched with each other and used for testing a crushing value, and the vibration leveling device is characterized in that a vibration platform (4) is arranged on the base (1), and the vibration platform (4) is connected with a horizontal vibration assembly (5);

the bottom plate (2) and the test tube (3) are placed on the vibration platform (4), and a lifting assembly (6) opposite to the test tube (3) is arranged on the vibration platform (4) at the periphery of the bottom plate (2);

a leveling pressure plate (7) matched with the inner cavity of the test cylinder (3) is arranged above the test cylinder (3), and a self-tensioning assembly (8) is connected between the leveling pressure plate (7) and the lifting assembly (6); when the horizontal vibration component (5) works, the lower surface of the leveling pressing plate (7) is always in contact with stones in the test tube (3).

2. The vibration flattening device for the stone crushing value instrument according to the claim 1, characterized in that the self-tensioning assembly (8) comprises a mounting plate (8a) connected to the lifting assembly (6), a plurality of first springs (8b) are distributed at the bottom of the mounting plate (8a), and the free end of each first spring (8b) is connected with the flattening pressing plate (7);

the flat pressing plate (7) is vertically provided with a first guide rod (8c) upwards, a first guide hole (8d) matched with the first guide rod (8c) is formed in the mounting plate (8a), and the first guide rod (8c) is connected with the first guide hole (8d) through a shaft sleeve.

3. The vibration flattening device for the stone crushing value instrument according to claim 1, characterized in that a plurality of fastening clamping seats (9) are circumferentially distributed at intervals at the proximal end part of the lower end of the outer wall of the test tube (3), hinging seats (10) corresponding to the fastening clamping seats (9) one by one are arranged on the bottom plate (2), and quick-connecting bolts (11) matched with the fastening clamping seats (9) are hinged on the hinging seats (10).

4. A vibratory grading device for a stone crush rater according to claim 1, characterized in that the horizontal vibratory assembly (5) comprises a rail (5a) arranged on the base (1), a sliding seat (5b) for mounting a vibratory platform being arranged on the rail (5 a);

a motor (5c) is arranged on the base (1) at one end along the length direction of the guide rail (5a), and the output end of the motor (5c) is connected with an eccentric wheel (5d) matched with the vibration platform (4); when the horizontal vibration component (5) works, the outer wall of the eccentric wheel (5d) is always contacted with the outer wall of the vibration platform (4); a second spring (5e) connected with the vibration platform (4) is horizontally arranged on the base (1) at the other end of the guide rail (5 a).

5. A vibratory grading device for a stone crush rater as in claim 1 wherein the vibratory platform (4) is provided with a positioning groove (12) for placement of the base plate (2), the positioning groove (12) being arranged coaxially opposite the grading platen (7).

6. A vibratory grading device for a stone crush rater as in claim 1 wherein the lifting assembly (6) comprises a support (6a) on the vibrating platform (4) at the periphery of the base plate (2), a lifting cylinder (6b) connected to the self-tensioning assembly (8) being provided on the support (6 a);

and second guide holes (6c) are formed in the supports (6a) on the two sides of the lifting cylinder (6b), and second guide rods (6d) connected with the self-tensioning assembly (8) are arranged in the second guide holes (6c) through shaft sleeves.