阅读说明：本技术 一种静态破碎剂性能测试装置及测试方法 (Static crushing agent performance testing device and testing method ) 是由 康强 王园园 赵明生 李�杰 余红兵 周建敏 于 2020-07-18 设计创作，主要内容包括：本发明公开了一种静态破碎剂性能测试装置及测试方法,测试装置包括一个玻璃圆筒,玻璃圆筒底面密封,玻璃圆筒上端面开口,在玻璃圆筒底面圆心部位固定设置一根竖直向上延伸的导向杆,在玻璃圆筒下部的侧壁内固定有温度计,在玻璃圆筒下部两侧沿轴向对称标有刻度,在玻璃圆筒下部设置有玻璃圆柱体,玻璃圆柱体与玻璃圆筒内壁相适配,玻璃圆柱体中心设置有通孔A,导向杆穿过所述通孔A；在玻璃圆柱体上部设置有砝码,砝码外圆周面与玻璃圆筒内壁相适配,砝码的圆心设置有通孔B,导向杆穿过所述通孔B。本发明结构简单、使用方便,可以测试静态破碎剂的膨胀压力、膨胀速度、做功能力、反应温度等主要性能指标,测试数据准确。(The invention discloses a static breaking agent performance testing device and a testing method, wherein the testing device comprises a glass cylinder, the bottom surface of the glass cylinder is sealed, the upper end surface of the glass cylinder is opened, a guide rod which vertically extends upwards is fixedly arranged at the circle center of the bottom surface of the glass cylinder, a thermometer is fixedly arranged in the side wall of the lower part of the glass cylinder, scales are symmetrically marked on the two sides of the lower part of the glass cylinder along the axial direction, the lower part of the glass cylinder is provided with the glass cylinder, the glass cylinder is matched with the inner wall of the glass cylinder, the center of the glass cylinder is provided with a through hole A, and the guide rod penetrates through the; the upper portion of the glass cylinder is provided with a weight, the outer circumferential surface of the weight is matched with the inner wall of the glass cylinder, the circle center of the weight is provided with a through hole B, and the guide rod penetrates through the through hole B. The invention has simple structure and convenient use, can test the main performance indexes of the static crushing agent, such as expansion pressure, expansion speed, work capacity, reaction temperature and the like, and has accurate test data.)

1. A static breaker capability test device, includes a glass cylinder (1), its characterized in that: the bottom surface of a glass cylinder (1) is sealed, the upper end surface of the glass cylinder (1) is open, a guide rod (2) which vertically extends upwards is fixedly arranged at the center of a circle of the bottom surface of the glass cylinder (1), a thermometer (3) is fixedly arranged in the side wall of the lower part of the glass cylinder (1), scales (4) are symmetrically marked on the two sides of the lower part of the glass cylinder (1) along the axial direction, a glass cylinder (5) is arranged at the inner lower part of the glass cylinder (1), the glass cylinder (5) is matched with the inner wall of the glass cylinder (1), a through hole A is formed in the center of the glass cylinder (5), the guide rod (2) penetrates through the through hole A, and the guide rod (2); be provided with weight (6) on glass cylinder (5) upper portion, weight (6) outer periphery and glass cylinder inner wall adaptation, the centre of a circle of weight (6) is provided with through-hole B, and guide bar (2) pass through-hole B, guide bar (2) are clearance fit with the through-hole B of weight.

2. The static breaker performance test device of claim 1, wherein: the inner diameter of the glass cylinder (1) is 80mm, the outer diameter of the glass cylinder (1) is 100mm, the length of the glass cylinder (1) is 300mm, the bottom surface of the glass cylinder (1) is 20-30mm thick, and the glass cylinder (1) is made of transparent, heat-resistant and high-strength high borosilicate glass or organic glass and other materials.

3. A static breaker performance test apparatus according to claim 1 or 2, wherein: the weight (6) is made of stainless steel and has a mass of 50 g.

4. A static breaker performance test apparatus according to claim 1 or 2, wherein: the guide rod (2) is made of stainless steel, the diameter of the guide rod (2) is 10mm, and the length of the guide rod (2) is 300 mm.

5. A static breaker performance test apparatus according to claim 1 or 2, wherein: the glass cylinder (5) is made of materials such as transparent, heat-resistant and high-strength high borosilicate glass or organic glass, the diameter of the glass cylinder (5) is 79mm, the length of the glass cylinder (5) is 100mm, and the diameter of a central through hole A of the glass cylinder (5) is 10.5 mm.

6. A static breaker performance test apparatus as claimed in claim 1 or 5 wherein the lowermost edge of the glass cylinder (5) is coated with a red painted line.

7. The test method utilizing the static crushing agent performance test device is characterized by comprising the following operation steps:

1) putting a proper amount of static crushing agent into a glass cylinder, slightly shaking the glass cylinder to enable the static crushing agent to be in a static state, then placing the glass cylinder on a stable and flat table top, and recording the reading of a mercury thermometer and the reading of the scale of the upper surface of the agent;

2) pouring a proper amount of pure water, immediately sleeving the cylindrical glass body with the metal rod, sleeving the weight, immediately taking the timer to start timing after the glass cylinder and the weight fall to the bottom of the glass cylinder, observing and recording scale readings at the position of the glass cylinder when the static crushing agent reacts for 10-15min, observing until the static crushing agent stops expanding, recording the time for stopping expanding and the scale readings at the position of the glass cylinder when the expansion stops, and recording the maximum temperature value in the reaction process.

Technical Field

The invention relates to a static crushing agent performance testing device and a testing method, and belongs to the technical field of geotechnical engineering.

Background

The static cracking agent is a mixture for breaking solid media such as rock and concrete instead of blasting means, and is also called as a static bursting agent, a static blasting agent and the like. Because static crushing construction is to destroy rock masses by means of static pressure generated when static crushing agents are subjected to chemical reaction expansion, the method does not cause the harmful effects of flying stones, vibration and the like in blasting, and is a destructive construction means with intrinsic safety. The static crushing agent has been born for decades, numerous products with different properties have appeared in the world to date, and application means have been developed and matured. The performance indexes of the static crushing agent mainly include expansion pressure and expansion speed, and determine the crushing capacity and construction efficiency of the product. Whether a manufacturing enterprise develops an improved product or a construction enterprise purchases a product, the performance parameters of the static crushing agent product determined by a standardized test are required to be known. For the product performance test work, the test is carried out according to a uniform program and by adopting equipment and equipment with uniform specifications, which is the basic guarantee that the test results of different products are scientific and reasonable and have referenceability. In view of the current situation, the types of products of the static crushing agent are numerous and can be divided into various categories, but a set of standardized performance testing method and testing device is lacked, so that the product development, popularization and use of the static crushing agent are not facilitated.

Disclosure of Invention

Aiming at the defects of the prior art, the invention aims to provide a static crushing agent performance testing device and a testing method, which can simply, conveniently and accurately test the key performance parameters of the static crushing agent and provide construction convenience.

The technical scheme of the invention is as follows: a static crushing agent performance testing device comprises a glass cylinder, wherein the bottom surface of the glass cylinder is sealed, the upper end surface of the glass cylinder is open, a guide rod which vertically extends upwards is fixedly arranged at the circle center of the bottom surface of the glass cylinder, a thermometer is fixedly arranged in the side wall of the lower part of the glass cylinder, scales are symmetrically marked on the two sides of the lower part of the glass cylinder along the axial direction, a glass cylinder is arranged at the inner lower part of the glass cylinder and is matched with the inner wall of the glass cylinder, a through hole A is formed in the center of the glass cylinder, the guide rod penetrates through the through hole A, and the guide rod is in clearance fit with the; the upper portion of the glass cylinder is provided with a weight, the outer circumferential surface of the weight is matched with the inner wall of the glass cylinder, a through hole B is formed in the circle center of the weight, the guide rod penetrates through the through hole B, and the guide rod is in clearance fit with the through hole B of the weight.

The inner diameter of the glass cylinder is 80mm, the outer diameter is 100mm, the length is 300mm, the thickness of the cylinder bottom is 20-30mm,

the glass cylinder is made of transparent, heat-resistant and high-strength high borosilicate glass or organic glass and other materials.

The guide rod is made of stainless steel, the diameter of the guide rod is 10mm, and the length of the guide rod is 300 mm.

The glass cylinder is made of transparent, heat-resistant and high-strength high borosilicate glass or organic glass and the like, the diameter of the glass cylinder is 79mm, the length of the glass cylinder is 100mm, and the diameter of the central through hole A is 10.5 mm.

The lowest edge of the glass cylinder is coated with a layer of red paint as a scale mark.

The weight is made of stainless steel and is in a shape of a round cake, the diameter of the round cake is 79mm, the thickness of the round hole B of the weight is 10mm, the diameter of the round hole B of the center of the weight is 11mm, and the weight mass is 50 g.

The test method comprises the following steps:

1. putting a proper amount of static crushing agent into a glass cylinder, slightly shaking the glass cylinder to enable the static crushing agent to be in a static state, then placing the glass cylinder on a stable and flat table top, and recording the reading of a mercury thermometer and the reading of the scale of the upper surface of the agent;

2. pouring a proper amount of pure water, immediately sleeving the cylindrical glass body on the guide rod, sleeving the weight, immediately taking the timer to start timing after the glass cylinder and the weight fall to the bottom of the glass cylinder, observing and recording scale readings at the position of the glass cylinder when the static crushing agent reacts for 10-15min, observing until the static crushing agent stops expanding, recording the time for stopping expanding and the scale readings at the position of the glass cylinder when the expansion stops, and recording the maximum temperature value in the reaction process.

The invention has the beneficial effects that: the device has the advantages of simple structure, easy manufacture, convenient use and light weight, can test main performance indexes of the static crushing agent such as expansion pressure, expansion speed, work capacity, reaction temperature and the like, and has accurate test data.

Drawings

FIG. 1 is a schematic view of a glass cylinder structure;

FIG. 2 is a schematic view of a glass cylinder structure;

FIG. 3 is a schematic diagram of the structure of the weight;

FIG. 4 is a schematic representation of the use of the present invention;

in the drawings: 1 glass cylinder 2 guide rod 3 thermometer 4 scale 5 glass cylinder 6 weight 7 static breaker.

Detailed Description

The invention is further described with reference to the following figures and examples.

Referring to fig. 1, fig. 2, fig. 3, fig. 4, a static breaker performance testing device includes a glass cylinder 1, the bottom surface of the glass cylinder 1 is sealed, the upper end surface of the glass cylinder 1 is opened, the glass cylinder 1 is made of transparent heat-resistant and high-strength borosilicate glass or organic glass, the inner diameter of the glass cylinder 1 is 80mm, the outer diameter of the glass cylinder is 100mm, the wall thickness of the glass is 10mm, the length of the glass is 300mm, and the bottom surface thickness of the glass cylinder is 20 mm.

A guide rod 2 which vertically extends upwards is fixedly arranged at the center of a circle of the bottom surface of the glass cylinder 1, the guide rod 2 is made of stainless steel, the diameter of the guide rod 2 is 10mm, the length of the guide rod 2 is 300mm, and the length of the lower end of the guide rod 2 is 20mm and is embedded into the bottom surface of the glass cylinder.

A mercury thermometer 3 with a measuring range of 100-300 ℃ is embedded in one side wall of the lower part of the glass cylinder 1, and the bottom of the thermometer 3 is 10mm away from the upper surface of the cylinder bottom.

Scales 4 are symmetrically marked on two sides of the lower part of the glass cylinder 1 along the axial direction, so that the axial displacement of parts in the glass cylinder can be observed conveniently.

A glass cylinder 5 is arranged at the inner lower part of the glass cylinder, the glass cylinder 5 is matched with the inner wall of the glass cylinder, a through hole A is formed in the center of the glass cylinder 5, a guide rod 2 penetrates through the through hole A, and the guide rod 2 is in clearance fit with the through hole A; similarly, the glass cylinder 5 is made of transparent heat-resistant and high-strength borosilicate glass or organic glass and other materials; the diameter of the glass cylinder 5 is 79mm, the length is 100mm, and the diameter of the central through hole A of the glass cylinder 5 is 10.5 mm.

In order to facilitate the observation of the displacement change of the glass cylinder 5, a layer of red paint is coated on the circumferential direction of the lowest edge of the glass cylinder 5 as a scale mark.

The upper part of the glass cylinder 5 is provided with a weight 6, the weight 6 is in a round cake shape, the outer circumferential surface of the weight 6 is matched with the inner wall of the glass cylinder, the center of the circle of the weight 6 is provided with a through hole B, the guide rod 2 penetrates through the through hole B, and the guide rod 2 is in clearance fit with the through hole B of the weight; the weight 6 is made of stainless steel, the diameter is 79mm, the thickness is 10mm, the diameter of the central round hole B is 11mm, and the weight mass is 50 g.

The test method comprises the following steps:

1. taking 40g of the static crushing agent 7, filling the glass cylinder 1 with the static crushing agent 7, slightly shaking the glass cylinder 1 to enable the static crushing agent 7 to be distributed more uniformly, then placing the glass cylinder 1 on a stable and flat table top, and recording the reading of a mercury thermometer 3 and the reading of a scale 4 on which the upper surface of the agent is located;

2. pouring 20g of pure water, immediately sleeving the cylindrical glass body 5 with the guide rod 2, sleeving the cylindrical glass body 5 with the 5 weights 6, immediately taking the timer to start timing after the glass cylinder body 5 and the weights 6 fall to the bottom of the glass cylinder 1, observing and recording the scale 4 reading at the position of the glass cylinder body 5 when the reaction time of the static crushing agent 7 reaches 10min, then observing until the static crushing agent 7 basically stops expanding, recording the time for stopping expanding and the scale 4 reading at the position of the glass cylinder body 5 when the expansion stops, and recording the maximum temperature value in the reaction process.

After the device and the test method are adopted for testing, the highest temperature of the tested static crushing agent during reaction, the working distance of the tested static crushing agent during 10min, the whole reaction finishing time and the working distance after the reaction are finished can be obtained. Because the mass of the glass cylinder and the weight of the work-doing object of the static crushing agent is known, key parameters such as expansion pressure, expansion speed, work-doing capacity, reaction time, reaction temperature and the like of the static crushing agent product serving as a test object can be obtained through simple calculation of the data, and therefore the actual performance of the product is judged.

The above description is only one specific implementation of the embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions obvious to those skilled in the art within the technical scope of the present invention should be covered by the scope of the present invention.