Mine filling aggregate pressure water absorption rate rapid detection device

Abstract

The utility model discloses a mine filling aggregate pressure water absorption rate rapid detection device which comprises a water seepage base with a groove in the top; the containing cylinder is arranged at the upper part of the water seepage base, and the bottom of the containing cylinder is nested in the groove of the water seepage base; and the compaction cover plate is arranged at the top of the containing barrel and can move up and down in the containing barrel.

Description

TECHNICAL FIELD

[0001] The utility model relates to mine filling aggregate test equipment technical field, especially in kind of mine filling aggregate pressure water absorption rate fast detection device. BACKGROUND

[0002] Mineral resources development is very important to the development of national economy, with the continuous increase of mineral resources exploitation scale, the mining difficulty and development capacity face major challenges, in order to ensure the continuity of mine production and effective recycling of resources, cemented filling mining method as a kind of safe and efficient mining technology, is widely favored by all mine developers, when mine implements underground filling, filling body forming height is higher, therefore filling slurry is greatly affected by hydrostatic pressure, its aggregate pressure water absorption rate becomes the key index of influence filling body strength ratio, and mine filling technical personnel often ignore the filling aggregate pressure water absorption rate this index, thus leading to the current there is no complete filling aggregate pressure water absorption rate test means.

[0003] Cemented filling material is similar to mixing concrete technology, utilizes cementing material hydration reaction to bond aggregate to reach a certain strength, has certain pressure bearing capacity material, but compared with concrete, the material diversity, low ash sand ratio, high water ash ratio of mine cemented filling material is destined to be unable to test according to the test method of concrete aggregate pressure water absorption rate, therefore the development of filling aggregate pressure water absorption rate test method is imminent. UTILITY MODEL CONTENT

[0004] In view of the above technical problems, the utility model provides a kind of mine filling aggregate pressure water absorption rate fast detection device.

[0005] To achieve the above purpose, the technical scheme of the utility model is as follows:

[0006] A kind of mine filling aggregate pressure water absorption rate fast detection device, it include:

[0007] Water seepage base, top is provided with recess;

[0008] The containing cylinder is arranged on the upper part of the water seepage base, and the bottom is nested in the recess of the water seepage base;

[0009] The compaction cover plate is arranged on the top of the containing cylinder and can move up and down in the containing cylinder.

[0010] The containing cylinder includes:

[0011] The upper cylinder and the lower cylinder are connected to each other;

[0012] The upper end of the lower cylinder is a convex structure; the upper end of the upper cylinder is a flat end, and the lower end is a concave shape structure that can be installed with the convex structure of the lower cylinder.

[0013] The utility model discloses an advantage is: the utility model has effectively simulated the pressure environment of aggregate in filling site, can accurate test the real pressure water absorption rate of filling aggregate, filled the technical blank of filling aggregate pressure water absorption rate test, provided important technical parameter for filling aggregate strength proportioning, the simple structure of the quick test device that the utility model discloses is convenient and fast. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the structure schematic drawing of the utility model.

[0015] Figure 2 It is the test method schematic drawing of the utility model embodiment.

[0016] In the drawing: 1 - water seepage base, 2 - lower cylinder, 3 - upper cylinder, 4 - compaction cover plate, 5 - upper end of press, 6 - lower end of press. DETAILED DESCRIPTION

[0017] In order to make the purpose, technical scheme and advantage of the utility model more clear and obvious, the utility model is further explained in detail below in combination with specific implementation ways.It should be understood that these descriptions are only exemplary, and not to limit the scope of the utility model.In addition, in the following description, the description of known structure and technology is omitted to avoid unnecessary confusion of the concept of the utility model.

[0018] As Figure 1 Indicated, a kind of mine filling aggregate pressure water absorption rate quick detection device, comprising: water seepage base 1, top is provided with recess;Container body, is set in water seepage base 1 upper portion, its bottom is nested in the recess of water seepage base 1;Compaction cover plate 4, is set in container body top, and can move up and down in container body. Container body, including: the upper cylinder 3 and lower cylinder 2 of mutual nesting connection;Wherein, lower cylinder 2 upper end port is convex structure;Upper cylinder 3 upper end port is flat end, lower end port is the inverted concave character structure that can be mutually adapted with the convex structure of lower cylinder 2 Installation.

[0019] Specifically, as Figure 1 Indicated, a kind of mine filling aggregate pressure water absorption rate quick detection device, comprising water seepage base 1, container body and compaction cover plate 4, container body is nested connection by upper cylinder 3 and lower cylinder 2, selects the material of steel pipe.

[0020] Specifically, the inner diameter of water seepage base 1 is φ133mm, height is 30mm, concave character structure, for nesting container body lower cylinder 2.

[0021] Specific, lower cylinder 2 upper port is convex, the lower port is flat end, inner diameter φ126mm, high 109mm, lower cylinder 2 lower port is sleeved into water seepage base 1 groove, upper cylinder 3 upper port is flat end, lower port is inverted concave, inner diameter φ108mm, upper cylinder 3 lower port is connected with lower cylinder 2 upper port by nesting, and the connecting distance is 8mm, and the internal volume of the containing cylinder is 1L.

[0022] Specific, the outer diameter of the compaction cover plate 4 is φ107mm, and the height is 60mm. The compaction cover plate 1 can move up and down in the containing cylinder.

[0023] Specific, the water seepage base 1 is placed under the lower end 5 of the pressure machine, and the excess water of the measured aggregate can overflow from the nesting joint between the water seepage base 1 and the lower cylinder 2.

[0024] Specific, the compaction cover plate 4 contacts the upper end 6 of the pressure machine, and the pressure is applied to the measured aggregate through the compaction cover plate 4.

[0025] As shown in Figure 2 The utility model is implemented by the following steps:

[0026] S1, the measured filling aggregate is added to water for soaking and stirring, so that the filling aggregate reaches the saturated water state;

[0027] S2, the water seepage base 1 and the containing cylinder are installed, the mass m1 of the water seepage base 1 and the containing cylinder is weighed, and the filling aggregate of step S1 is loaded into the containing cylinder, the loading process is not compacted, the aggregate is in a natural accumulation state in the containing cylinder, and the upper port of the containing cylinder is smoothed after being filled;

[0028] S3, the compaction cover plate 4 is placed in the middle position of the upper port of the containing cylinder, and the loading process is completed, and the water seepage base 1 and the containing cylinder are placed between the upper end 5 and the lower end 6 of the pressure machine of the pressure machine, and the pressure is applied, the pressure valve value is set, the pressure machine stops when the pressure reaches the pressure valve value, and the pressure valve value of the pressure machine is determined according to the specific engineering example. During the pressure process, water will overflow from the bottom of the water seepage base 1, and the water on the device platform is wiped off in time;

[0029] S4, after the pressure is completed, the mass m2 is weighed, the filling aggregate in the containing cylinder is poured out for drying, and the filling aggregate m3 after drying is weighed;

[0030] S5, the pressure water absorption rate of the filling aggregate is calculated;

[0031] S6, the above steps are repeated three times to take the average value as the final pressure water absorption rate of the filling aggregate.

[0032] In the step S5, the pressure water absorption rate of the filling aggregate is calculated according to the following formula:

[0033] .

[0034] It should be understood that the above detailed description of the present application is only intended to illustrate or explain the principles of the present application, and does not constitute a limitation on the present application. Therefore, any modification, equivalent replacement, improvement, etc. made without departing from the spirit and scope of the present application shall be included in the protection scope of the present application. In addition, the appended claims of the present application are intended to cover all variations and modifications falling within the scope and boundaries of the appended claims, or the equivalent forms of such scope and boundaries.

Claims

1. A device for rapid detection of water absorption under pressure of mine filling aggregate, characterized in that, The utility model relates to a water seepage base (1) is provided with a recess on the top, a containing cylinder is arranged on the upper portion of the water seepage base (1), and the bottom of the containing cylinder is nested in the recess of the water seepage base (1), a compaction cover plate (4) is arranged on the top of the containing cylinder and can move up and down in the containing cylinder. The containing cylinder comprises an upper cylinder (3) and a lower cylinder (2) which are nested and connected with each other, wherein the upper end of the lower cylinder (2) is in convex structure, the upper end of the upper cylinder (3) is in flat end, and the lower end is in inverted concave character structure which can be mutually matched and installed with the convex structure of the lower cylinder (2). ​ ​ 2. The device for rapid detection of water absorption under pressure of mine filling aggregate according to claim 1, characterized in that, ​ ​ ​

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