CN221446008U

CN221446008U - Sand equivalent tester

Info

Publication number: CN221446008U
Application number: CN202323324818.2U
Authority: CN
Inventors: 陆海云; 杨丽丽; 罗代明; 海晖; 阮人杰
Original assignee: Yunnan Highway Science and Technology Research Institute
Current assignee: Yunnan Highway Science and Technology Research Institute
Priority date: 2023-12-07
Filing date: 2023-12-07
Publication date: 2024-07-30
Anticipated expiration: 2033-12-07

Abstract

The utility model belongs to the technical field of highway test detection, in particular to a sand equivalent tester, which comprises a tester body and a base, wherein the tester body is fixed at the top end of the base, an oscillating rod is arranged at the top end of the tester body in a sliding manner, a clamping sleeve is arranged above the oscillating rod, a support frame is fixedly connected to the top end of the base, a sample bin is fixedly connected to the top end of the support frame, a conical inclined plane is arranged on the inner side of the sample bin, a discharging opening is formed in the lowest part of the conical inclined plane, and a quantitative cylinder and a sealing plate are arranged in the sample bin in a sliding manner; the conical inclined surface, the quantitative cylinder and other parts are matched, so that a tester rotates the test cylinder below the sample bin and controls the quantitative cylinder to slide leftwards to inject the quantitative sample into the test cylinder, the working steps that the tester needs to manually weigh and quantify the aggregate sample for multiple times are saved, the operation flow of the test is simplified, and the quick multiple-time sand equivalent measurement operation on the aggregate sample is facilitated.

Description

Sand equivalent tester

Technical Field

The utility model belongs to the technical field of highway test and detection, and particularly relates to a sand equivalent tester.

Background

The sand equivalent tester is a tester, it is suitable for measuring the content of cohesive soil or impurity contained in various fine aggregates such as natural sand, artificial sand, stone dust, etc., in order to assess the clean degree of the aggregate, this test is to wash the sample of a certain amount of aggregate strongly with the specified strong activity detergent, make fine soil separate and flocculate with the gravel, through measuring the quantity of flocculate and quantity of gravel after washing, can calculate the sand equivalent value of this kind of aggregate, at present, will usually carry on many times of sand equivalent measurement to the sample of the same aggregate, obtain the multiunit and measure the data and take the average value, in order to improve accuracy and reliability of the measuring result, however the measuring staff need to weigh and quantify the sample of aggregate before each measuring test, then can carry on the sand equivalent measurement, this will make the whole measuring procedure comparatively tedious, unfavorable for the rapid measurement operation of the sand equivalent.

Disclosure of utility model

The utility model provides a sand equivalent tester which has the characteristics of automatically quantifying aggregate in a sample bin, and facilitating a tester to inject the standard aggregate amount required by measurement into a test tube.

The utility model provides the following technical scheme: including tester body and base, the tester body is fixed in the base top, the tester body top slides there is the oscillating bar, the oscillating bar top is equipped with the centre gripping sleeve, base top fixedly connected with support frame, support frame top fixedly connected with sample storehouse, the sample storehouse inboard is provided with the toper inclined plane, the feed opening has been seted up to toper inclined plane lowest department, the inside slip of sample storehouse has ration section of thick bamboo and closing plate, the closing plate with the feed opening position is corresponding.

The inside guide way of having seted up of sample storehouse, guide way inboard fixedly connected with two guide bars, quantitative section of thick bamboo with the closure plate all with two guide bar sliding connection.

The device comprises a sample bin, a reset bin, a sealing plate, a driving rod, a spring, a sealing plate and a sealing plate, wherein the bottom end of the sample bin is fixedly connected with the reset bin, one end of the driving rod slides to the inner side of the reset bin, and the spring is fixedly connected between one side of the driving rod and the inner wall of the reset bin.

The device comprises an oscillating rod, a connecting seat, a clamping sleeve and a connecting seat, wherein the top end of the oscillating rod is fixedly connected with the connecting seat, the connecting seat is rotationally connected to the inner side of the connecting seat, and the clamping sleeve is fixedly connected to the top end of the connecting seat.

Wherein, the articulated seat side rotates has fastening knob.

The beneficial effects of the utility model are as follows: through the cooperation of parts such as centre gripping sleeve, toper inclined plane, quantitative section of thick bamboo for the survey personnel rotate the test cylinder to the sample storehouse below after, and control quantitative section of thick bamboo sideslip left side and can be with accomplishing quantitative collection material sample injection test cylinder inboard, saved the survey personnel and need carry out the work step of weighing the ration many times to collection material sample manually, simplified experimental operation flow, thereby be favorable to carrying out many times sand equivalent survey operations to collection material sample fast.

None of the parts of the device are the same as or can be implemented using prior art.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic perspective cross-sectional view of a sample cartridge of the present utility model;

FIG. 3 is a schematic side cross-sectional view of a sample cartridge of the present utility model;

FIG. 4 is a schematic diagram of the motion state of the present utility model;

fig. 5 is a schematic view of the motion state of the sample chamber in the present utility model.

In the figure: 1. a tester body; 11. a base; 12. an oscillating bar; 13. a hinge base; 14. a connecting seat; 15. fastening a knob; 2. clamping the sleeve; 21. a support frame; 22. a sample bin; 221. a guide groove; 222. a guide rod; 23. a conical inclined surface; 24. a feed opening; 3. a quantitative cylinder; 31. a closing plate; 311. a drive rod; 32. and resetting the bin.

Detailed Description

Referring to fig. 1-5, the present utility model provides the following technical solutions: including tester body 1 and base 11, tester body 1 is fixed in the base 11 top, and tester body 1 top slides there is oscillating bar 12, and oscillating bar 12 top is equipped with centre gripping sleeve 2, and base 11 top fixedly connected with support frame 21, support frame 21 top fixedly connected with sample storehouse 22, sample storehouse 22 inboard are provided with conical inclined plane 23, and feed opening 24 has been seted up to conical inclined plane 23 lowest department, and sample storehouse 22 inside slides has quantitative section of thick bamboo 3 and closing plate 31, and closing plate 31 and feed opening 24 position are corresponding.

In this embodiment: the base 11 is used for providing a mounting carrying surface for the tester body 1 and the supporting frame 21, the tester body 1 is a device for measuring the content of viscous soil or impurities contained in various fine aggregates such as natural sand, artificial sand, stone chips and the like, an oscillating mechanism capable of driving the oscillating rod 12 to slide left and right is arranged in the tester body 1, the oscillating rod 12 can drive the clamping sleeve 2 above the oscillating rod 12 to synchronously move in the moving process, the tester body 1 drives the oscillating rod 12 to move left and right through the oscillating mechanism after the test standard-amount aggregate sample and the detergent are loaded in the testing sleeve and clamped and fixed on the inner side of the clamping sleeve 2, the clamping sleeve 2 can drive the testing sleeve to continuously oscillate, so that the testing sleeve 2 can drive the testing sleeve to rotate above the oscillating rod 12, when a tester controls the clamping sleeve 2 and the testing sleeve to rotate to the right side above the oscillating rod 12, the testing sleeve can be in a vertical state, the testing sleeve can be convenient for the tester to add the aggregate with a fixed quantity into the testing sleeve in the inner side, the base 11 is fixedly arranged on the inner side of the testing sleeve, the conical surface of the supporting frame 21 is used for coating the aggregate bin 22, the conical surface 23 is arranged on the inner side of the testing sleeve, the conical surface 23 is provided with a conical surface 23, the conical surface is used for coating 23 is arranged on the inner side of the testing sleeve, the conical surface of the testing sleeve is used for coating 23, and the conical surface is coated with the conical surface 23 is arranged on the inner side of the testing bin is used for coating the testing material 23, and the slope is coated on the inner side of the testing bin is coated with the slope is coated with the testing particles 23, the utility model provides a quantitative cylinder 3 is used for carrying out the ration with the aggregate sample, when quantitative cylinder 3 slides to the right side, quantitative cylinder 3 can counterpoint in the feed opening 24 of its top, the inboard soil of sample bin 22 can constantly flow to quantitative cylinder 3 inboard through feed opening 24, wait that the aggregate sample fills up the quantitative cylinder 3 inside completely, the content of the inside aggregate sample of quantitative cylinder 3 can just equal with test standard addition volume this moment, thereby can be convenient for survey personnel directly carry out the sand equivalent test with the aggregate sample of standard volume in adding the test cylinder, when survey personnel control makes the quantitative cylinder 3 slide to the end, quantitative cylinder 3 can just counterpoint with the test cylinder mouth that rotates to vertical state, the staff takes off the seal head of quantitative cylinder 3 bottom at this moment, can add the test cylinder with the aggregate sample of standard volume, thereby can be convenient for survey personnel carry out the sand equivalent test to the aggregate sample fast, the test with the feed opening 24 completely fills up the quantitative cylinder 3 inside, the test plate 31 is arranged in carrying out the test sample 24 to the left side, can prevent that the sample from leaking outside the feed opening 24 from the sealed cylinder 24 through the left side of sliding to the left side of the sealed plate 31, thereby can prevent the sample 24 from leaking outside the process.

A guide groove 221 is formed in the sample bin 22, two guide rods 222 are fixedly connected to the inner side of the guide groove 221, and the quantitative barrel 3 and the sealing plate 31 are both in sliding connection with the two guide rods 222; the guide groove 221 provides a horizontal sliding space for the quantitative barrel 3 and the sealing plate 31, the two guide rods 222 are fixed on the inner side of the guide groove 221 and used for guiding the horizontal sliding of the quantitative barrel 3 and the sealing plate 31 on the inner side of the guide groove 221, through grooves corresponding to the guide rods 222 in size are formed in the quantitative barrel 3 and the sealing plate 31, a damping layer is arranged on the inner side of the through groove in the quantitative barrel 3, friction force between the through groove in the quantitative barrel 3 and the sample bin 22 can be increased through the damping layer, the quantitative barrel 3 can slide to any position on the outer side of the sample bin 22 and can be positioned, and accordingly the quantitative barrel 3 can slide to the leftmost side or the rightmost side conveniently, and quantitative or blanking operation is carried out on aggregate samples.

The bottom end of the sample bin 22 is fixedly connected with a reset bin 32, the bottom end of the sealing plate 31 is fixedly connected with a driving rod 311, one end of the driving rod 311 slides on the inner side of the reset bin 32, and a spring is fixedly connected between one side of the driving rod 311 and the inner wall of the reset bin 32; the inside space that provides the installation for the spring in the storehouse that resets 32, guide slot 221 link up with the storehouse that resets 32 inner chamber mutually, make the drive lever 311 one end of closure plate 31 bottom can slide the storehouse that resets 32 inboard, drive lever 311 is used for driving closure plate 31 and slides to the left, the setting of spring can apply horizontal left effort to drive lever 311, make when quantitative section of thick bamboo 3 slides to the left from the feed opening 24 below, drive lever 311 can slide to the terminal point to the left in the storehouse that resets 32 inboard, and the closure plate 31 that drive lever 311 top is connected follows it and carries out synchronous motion, slide just to the below of feed opening 24, carry out the shutoff to feed opening 24, and because quantitative section of thick bamboo 3 is provided with the damping layer through the inslot side, and the frictional force between damping layer makes quantitative section of thick bamboo 3 and the sample storehouse 22 is greater than the effort that the spring applyed to drive lever 311, when the quantitative section of thick bamboo 3 is controlled to the right to the terminal point, make it slide to the time to the feed opening 24 counterpoint with quantitative section of thick bamboo 3, quantitative section of thick bamboo 3 can drive closure plate 31 and drive lever 311 and synchronous motion, carry out the closure plate 31 to the effect of the spring, carry out the below to the recess 32, can not carry out the extrusion to the inside of quantitative section of thick bamboo 24 under the spring that the inside is located to the spring is not to the quantitative section of thick bamboo 24 under the effect that the inside is located to the quantitative section of thick bamboo 24, can not be extruded to the inside the quantitative section of thick bamboo 24.

The top end of the oscillating rod 12 is fixedly connected with a hinging seat 13, the inner side of the hinging seat 13 is rotationally connected with a connecting seat 14, and the clamping sleeve 2 is fixedly connected with the top end of the connecting seat 14; the connecting seat 14 rotates in articulated seat 13 inboard, and survey personnel can drive centre gripping sleeve 2 through connecting seat 14 and rotate with articulated seat 13 connecting axle as the centre of a circle, can rotate the test tube to the below of sample storehouse 22, makes the test tube be in vertical state to make the quantitative section of thick bamboo 3 that slides to leftmost can counterpoint with the test tube top just, reach the purpose that the survey personnel will accomplish quantitative collection material sample and add in the test tube of being convenient for.

The side surface of the hinging seat 13 is rotated with a fastening knob 15; the fastening knob 15 rotating on the side surface of the hinging seat 13 is used for fastening the connecting seat 14 rotating on the inner side of the hinging seat 13, after the addition of the aggregate sample and the detergent is completed, a tester can rotate the connecting seat 14 leftwards to a vertical state when the test cylinder which is completed to be plugged is required to oscillate, then the connecting seat 14 is fastened and limited by screwing the fastening knob 15, the connecting seat 14 cannot rotate in the oscillating process under the fastening limit of the fastening knob 15, so that the stability of the test cylinder in the oscillating process can be ensured, and the damage of the test cylinder in the oscillating process is avoided.

The working principle and the using flow of the utility model are as follows: when in use, a measuring staff slides the quantitative cylinder 3 below the sample bin 22 to the right side, the quantitative cylinder 3 drives the sealing plate 31 on the right side to synchronously slide in the moving process, the driving rod 311 continuously extrudes the spring on the inner side of the reset bin 32 along with the movement of the sealing plate 31, when the quantitative cylinder 3 slides to the right to the end point, the quantitative cylinder 3 can be aligned with the feed opening 24, positioning can be completed under the action of an internal damping layer of the quantitative cylinder 3, the quantitative cylinder can not slide due to the elastic release force of the spring, the spring in the reset bin 32 keeps a compressed state, at the moment, the measuring staff pours the sieved aggregate sample into the inner side of the sample bin 22, the aggregate slides along the inclined surface of the conical inclined surface 23 to the feed opening 24 under the action of gravity and continuously flows into the quantitative cylinder 3 through the feed opening 24, and when the aggregate sample completely fills the interior of the quantitative cylinder 3, at this time, the content of the aggregate sample in the quantitative cylinder 3 is just equal to the test standard quantity, then a tester can put the quantitative cylinder 3 into the inner side of the clamping sleeve 2 to fix, then rotate the connecting seat 14 rightwards to adjust the clamping sleeve 2 to a vertical state, add a proper amount of pre-prepared flushing liquid into the testing cylinder, then slide the quantitative cylinder 3 below the sample bin 22 towards the testing cylinder, when the quantitative cylinder 3 slides to the leftmost side below the sample bin 22, the quantitative cylinder 3 is just aligned with the top end of the testing cylinder, the tester opens the sealing head at the bottom end of the quantitative cylinder 3, and then the quantitative sample can be injected into the inner side of the testing cylinder to perform a sand equivalent test, after the tester rotates the testing cylinder to the position below the sample bin 22 through the cooperation of the clamping sleeve 2, the conical inclined surface 23, the quantitative cylinder 3 and other components, and the quantitative cylinder 3 is controlled to slide leftwards, so that the quantitative aggregate sample can be injected into the inner side of the test cylinder, the working steps that a measuring person needs to manually weigh and quantitatively the aggregate sample for a plurality of times are saved, and the operation flow of the test is simplified, thereby being beneficial to rapidly carrying out a plurality of times of sand equivalent measurement operations on the aggregate sample.

Claims

1. The utility model provides a sand equivalent test ware, includes tester body (1) and base (11), its characterized in that: the tester is characterized in that the tester body (1) is fixed on the top end of the base (11), the vibrating rod (12) is arranged on the top end of the tester body (1) in a sliding mode, the clamping sleeve (2) is arranged above the vibrating rod (12), the top end of the base (11) is fixedly connected with the support frame (21), the top end of the support frame (21) is fixedly connected with the sample bin (22), the inner side of the sample bin (22) is provided with the conical inclined surface (23), the lowest part of the conical inclined surface (23) is provided with the feed opening (24), the quantitative barrel (3) and the sealing plate (31) are arranged in the sample bin (22) in a sliding mode, and the sealing plate (31) corresponds to the position of the feed opening (24).

2. A sand equivalent tester as claimed in claim 1, wherein: the inside guide way (221) of having seted up of sample storehouse (22), guide way (221) inboard fixedly connected with two guide bars (222), ration section of thick bamboo (3) with closure plate (31) all with two guide bar (222) sliding connection.

3. A sand equivalent tester as claimed in claim 1, wherein: the device is characterized in that a reset bin (32) is fixedly connected to the bottom end of the sample bin (22), a driving rod (311) is fixedly connected to the bottom end of the sealing plate (31), one end of the driving rod (311) slides to the inner side of the reset bin (32), and a spring is fixedly connected between one side of the driving rod (311) and the inner wall of the reset bin (32).

4. A sand equivalent tester as claimed in claim 1, wherein: the top end of the oscillating rod (12) is fixedly connected with a hinging seat (13), the inner side of the hinging seat (13) is rotationally connected with a connecting seat (14), and the clamping sleeve (2) is fixedly connected with the top end of the connecting seat (14).

5. A sand equivalent tester as claimed in claim 4, wherein: the side surface of the hinging seat (13) is rotated with a fastening knob (15).