CN204831872U - It is experimental with remolding a kind preparation ware - Google Patents

Abstract

The utility model relates to a geotechnical engineering technical field especially relates to an it is experimental with remolding a kind preparation ware. This it is experimental with remolding a kind preparation ware includes the sample sleeve, hits real hammer into shape screw rod and L type instrument base, the sample sleeve includes two and half round sleeve and is equipped with the inside lining film at the sleeve inner wall, L type instrument base includes vertical instrument base and horizontal instrument base be fixed with unable adjustment base on the horizontal instrument base be equipped with first step axle and second step axle among the unable adjustment base be equipped with on the vertical instrument base and hit a real rod cover section of thick bamboo. Has realized that preparation sample pressurized is even, has guaranteed the integrality of preparation sample, improved the success rate of preparation sample, and should be experimental equitable with preparation ware structural design, avoided the shortcoming that the sample spilt when manual hit kind from the bottom, the accessory can dismantle and dimensions adjustable to prepare the preparation sample of different specifications, the maintenance management of also being convenient for.

Description

A test remodeler

technical field

The utility model relates to the technical field of geotechnical engineering, in particular to a test remodeling sample maker.

Background technique

At present, with the rapid development of construction, municipal and highway engineering construction work, the problems we encounter in the field of geotechnical engineering technology have also increased. In the practical application of geotechnical engineering, it is not easy to obtain undisturbed soil on site, so in order to obtain the test parameters of the physical and mechanical properties of the soil, it is largely necessary to rely on the preparation of remolded soil indoors. At the same time, in soil-related tests, such as conventional triaxial compression tests, direct shear tests, and compressive strength tests, it is often necessary to make cylindrical remolded soil samples of different sizes.

Now the commonly used techniques for preparing remolded soil samples indoors mainly include the method of hammering and pressing. The method of hammering is to pour the wet soil of the required quality into the sample cylinder according to the volume of the sample sleeve and the required dry density, and compact it to The required density; the sample pressing method is to pour the wet soil of the required mass according to the volume of the sample sleeve and the required dry density into the sample preparation cylinder, and compress the soil sample to the required density through the piston with static force. Because the sampling method is simple and easy to operate and the sample preparation cycle is short, the sampling method has been widely used in laboratory sample preparation. The sampling method is mainly based on the manual sample preparation device to realize the preparation of remolded soil. However, the existing conventional sample preparation device is too simple to maintain and manage. Higher, and the quality of the sample is poor, which cannot meet the requirements of the remolded soil sample required by the routine test.

Therefore, aiming at the above deficiencies, the utility model provides a test remodeling sample maker.

Utility model content

(1) Technical problems to be solved

The technical problem to be solved by the utility model is to solve the problem that the existing manual sample preparation device is simple in equipment, human error is very easy to occur in the operation process, the failure rate of the sample is high, the quality of the sample is poor, and the size of the sample is single, which is not conducive to Make the reuse of equipment a problem.

(2) Technical solution

In order to solve the above technical problems, the utility model provides a remodeling sample maker for testing, which includes a sample sleeve, a compacting hammer screw and an L-shaped instrument base, the L-shaped The instrument base includes a vertical instrument base and a horizontal instrument base, and is characterized in that: a fixed base is fixed on the horizontal instrument base, and the fixed base is used for installing and fixing the sample sleeve; A compacting rod sleeve is arranged on the vertical instrument base, and one end of the compacting hammer screw passes through the compacting rod sleeve, the height control cap and the gravity hammer in turn, and is threadedly connected with the compacting chassis, and the other end is clamped on the The upper end of the compacting rod sleeve, and the compacting chassis is arranged correspondingly to the sample sleeve.

Wherein, the test remodeling sample maker also includes a base fixing screw and a sample sleeve fixing ring, the sample sleeve fixing ring is provided with an extension; one end of the base fixing screw is fixed on the horizontal instrument base and the other end is fixedly connected with the extension part.

Wherein, the extension of the sample sleeve fixing ring is provided with a circular component, and one end of the base fixing screw that is fixedly connected with the extension passes through the circular component and is screwed with the fixing nut .

Wherein, the upper and lower ends of the outer wall of the sample sleeve are respectively provided with sleeve edges, the inner side of the sleeve edge is provided with a sleeve groove, and the inner wall of the sample sleeve is provided with a lining film, and the The lining film extends out of the sample sleeve, and the lining film extending out of the sample sleeve is fixed to the groove of the sleeve through the rubber ring.

Wherein, the sample sleeve includes two semicircular sleeves.

Wherein, the fixed base includes a first stepped shaft and a second stepped shaft connected with the first stepped shaft, the second stepped shaft is screwed on the base of the horizontal instrument, and the first stepped shaft A base cavity for placing the sample sleeve is provided inside.

Wherein, the position of the height control cap on the compacting hammer screw can be adjusted along the height direction.

Wherein, the height control cap is threadedly connected to the screw rod of the compacting hammer.

Wherein, the diameter of the edge of the sleeve is 0.5% larger than the diameter of the sample, the height of the lining film is 50% larger than the height of the sample, and the diameter of the lining film is larger than the diameter of the sample 3%.

(3) Beneficial effects

The above-mentioned technical scheme of the utility model has the following advantages: the utility model test remodeling sample maker is provided with a compacting rod sleeve on the vertical instrument base, which can keep the vertical direction of the compacting hammer screw rod unchanged, and realize In order to make the sample evenly under pressure, the sample sleeve includes two semicircular sleeves, which is convenient for sample preparation and sampling, and the inner wall of the sample sleeve is equipped with a lining film to ensure the integrity of the produced sample , which improves the success rate of sample making; the maker avoids the defect that the sample leaks from the bottom during the manual sampling process by setting the first step shaft and the second step shaft in the fixed base, and the maker The accessories are detachable and adjustable in size to prepare samples of different specifications and facilitate maintenance and management.

Description of drawings

Fig. 1 is a structural representation of the remodeling sample maker for implementing the test of the present utility model;

Fig. 2 is a schematic diagram of accessories of the remodeling sample maker used in the implementation test of the utility model.

In the figure: 1: sample sleeve; 2: fixing nut; 3: base fixing screw; 4: compacting rod sleeve; 5: height control cap; 6: compacting hammer screw; 7: gravity hammer; 8: Compacted chassis; 9-1: Vertical instrument base; 9-2: Horizontal instrument base; 10: Sample sleeve fixing ring; 11: Fixed base; 12: Parting seam; 13: Sleeve groove; 14 : sleeve edge; 15: base cavity; 16: first step shaft; 17: second step shaft; 18: lining film.

Detailed ways

In order to make the purpose, technical solutions and advantages of the embodiments of the utility model more clear, the technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the utility model. Obviously, the described The embodiments are some embodiments of the present utility model, but not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

As shown in Figure 1, a kind of test remodeling sample maker provided by the embodiment of the utility model, the test remodeling sample maker includes a sample sleeve 1, a compaction hammer screw 6 and an L-shaped instrument base, Described L type instrument base comprises vertical instrument base 9-1 and horizontal instrument base 9-2, is fixed with fixed base 11 on described horizontal instrument base 9-2, and described fixed base 11 is used for installing Fix the sample sleeve 1; a compacting rod sleeve 4 is arranged on the vertical instrument base 9-1, and one end of the compacting hammer screw 6 passes through the compacting rod sleeve 4, height The control cap 5 and the gravity hammer 7 are threadedly connected with the compaction chassis 8, and the other end is clamped on the upper end of the compaction rod sleeve 4. The clamping connection refers to the compaction hammer screw 6 and the compaction rod sleeve 4 It is threaded connection, and the compaction chassis 8 is set corresponding to the sample sleeve 1 , the corresponding setting means that the compaction chassis 8 is located directly above the sample sleeve 1 .

Through the remodeling sample maker used in this test, the compacting rod sleeve 4 is provided to ensure that the vertical direction of the compacting hammer screw 6 remains unchanged, so that the sample is evenly pressed during the production process, and the success of making the sample is improved. Rate.

The remodeling sample maker for the test also includes a base fixing screw 3 and a sample sleeve fixing ring 10, the sample sleeve fixing ring 10 is provided with an extension; one end of the base fixing screw 3 is fixed on the horizontal On the instrument base 9-2, the other end is fixedly connected with the extension part, put the fully assembled sample sleeve 1 into the fixed base 11, place the sample sleeve fixing ring 10, and manually rotate the fixing nut 2 Rotate, so that the sample sleeve 1 is pressed down, and the sample sleeve 1 and the fixed base 11 are fixed tightly, so as to ensure that the sample will not leak from the bottom during sample preparation.

The extension of the sample sleeve fixing ring 10 is provided with a circular member, and one end fixedly connected with the extension on the base fixing screw 3 passes through the circular member and is threaded with the fixing nut 2 The connection is beneficial to the fastening tightness between the sample sleeve 1 and the fixed base 11 .

As shown in Figure 2, the upper and lower ends of the outer wall of the sample sleeve 1 are respectively provided with a sleeve edge 14, and the inner side of the sleeve edge 14 is provided with a sleeve groove 13, and the inner side refers to the inner side close to the sample sleeve. In the middle of the cylinder 1, a lining film 18 is provided on the inner wall of the sample sleeve 1, and the lining film 18 extends out of the sample sleeve 1, and the lining film 18 extending out of the sample sleeve 1 passes through The apron is fixed in the groove 13 of the sleeve, and the sample made by the lining film 18 has high integrity, which improves the efficiency of sample preparation.

The sample sleeve 1 is provided with two separation slits 12, which are distributed symmetrically. The sample sleeve 1 includes two semicircular sleeves, which facilitates sample preparation and sampling.

The fixed base 11 includes a first stepped shaft 16 and a second stepped shaft 17 connected with the first stepped shaft 16, and the second stepped shaft 17 is threaded on the level instrument base 9-2, so A base cavity 15 for placing the sample sleeve 1 is provided inside the first stepped shaft 16 to ensure that the fixed base 11 is closely connected with the horizontal instrument base 9-2.

The position of the height control cap 5 on the compaction hammer screw 6 can be adjusted along the height direction, and the height control cap 5 is screwed on the compaction hammer screw 6 to control the maximum height of each rise of the gravity hammer 7 , thereby guaranteeing the kinetic energy of each compaction of the compaction chassis 8.

In order to achieve a better sample preparation effect, the diameter of the sleeve edge 14 is 0.5% larger than the diameter of the sample, and the height of the lining film 18 is 50% larger than the height of the sample. The diameter of 18 is 3% larger than the diameter of the fabricated sample.

In order to prepare samples of different specifications, the size of the sample sleeve 1, compaction chassis 8, sample sleeve fixing ring 10, and fixed base 11 of the remodeling sample maker for the test can be determined according to the size of the sample. Size and select the appropriate specifications.

The specific working process of the test remodeling sample maker of the present utility model is as follows: according to the size of the sample to be made, select the corresponding sample preparation accessory specifications, and by rotating the fixed nut 2, the selected sample sleeve 1, The fixed base 11 is fixed tightly with the horizontal instrument base 9-2 so that it will not be loosened by the kinetic energy during sample preparation, and one end of the compaction hammer screw 6 is sequentially passed through the compaction rod sleeve 4, the height control cap 5 and the gravity The hammer 7 is then screwed to the compaction chassis 8, and the other end is clamped on the upper end of the compaction rod sleeve 4. A small amount of talcum powder is applied to the inner wall of the sample sleeve 1, and the lining film 18 is passed through the sample. Sleeve 1, ensure that the lining film 18 is close to the inner wall of the sample sleeve 1, turn the part of the lining film 18 that exceeds the sample sleeve 1 outward, fix the lining film 18 with a rubber ring, and put the fully assembled Put the sample sleeve 1 into the fixed base 11, place the sample sleeve fixed ring 10, and manually rotate the rotation of the fixed nut 2 to make the sample sleeve 1 press down and be tightly connected with the fixed base 11. Kinetic energy required for each compaction, adjust the position of the height control cap 5, after the equipment is installed, determine the amount of soil added each time, weigh the soil and pour it into the sample sleeve 1, put down the compaction chassis 8. Pull the gravity hammer 7 to the highest point to allow it to fall freely, compact it repeatedly, then pull up the compaction chassis 8, put the soil sample again, and repeat the above steps until the completion of the sample.

In summary, the utility model test remodeling sample maker is equipped with a compacting rod sleeve on the vertical instrument base, which can keep the vertical direction of the compacting hammer screw unchanged, and realizes the production of samples under pressure. Uniform, the sample sleeve includes two semi-circular sleeves, which is convenient for sample preparation and sampling, and the inner wall of the sample sleeve is lined with a film to ensure the integrity of the sample and improve the efficiency of sample production. The success rate; the maker avoids the defect that the sample leaks from the bottom during the manual sampling process by setting the first step shaft and the second step shaft in the fixed base, and the accessories of the maker are detachable and the size The specifications are adjustable to prepare samples of different specifications, and it is also convenient for maintenance and management.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present utility model, and are not intended to limit it; although the utility model has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: It is still possible to modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit of the technical solutions of the various embodiments of the present invention. and range.

Claims (9)

1. A kind of remodeling sample maker for test, comprises sample sleeve (1), compaction hammer screw rod (6) and L-type instrument base, and described L-type instrument base comprises vertical instrument base (9 -1) and a horizontal instrument base (9-2), characterized in that: a fixed base (11) is fixed on the horizontal instrument base (9-2), and the fixed base (11) is used for mounting and fixing The sample sleeve (1); a compacting rod sleeve (4) is arranged on the vertical instrument base (9-1), and one end of the compacting hammer screw (6) passes through the compacting hammer in turn. The solid rod sleeve (4), the height control cap (5) and the gravity hammer (7) are threadedly connected with the compaction chassis (8), and the other end is clamped on the upper end of the compaction rod sleeve (4), and The compaction chassis (8) is arranged corresponding to the sample sleeve (1). 2. test remodeling sample maker according to claim 1, is characterized in that: also comprise base fixing screw rod (3) and sample sleeve fixing ring (10), described sample sleeve fixing ring (10) ) is provided with an extension; one end of the base fixing screw (3) is fixed on the horizontal instrument base (9-2), and the other end is fixedly connected with the extension. 3. test remodeling sample maker according to claim 2, is characterized in that: the extension of described sample sleeve fixing ring (10) is provided with a circular member, and described base fixing screw rod (3 ) and one end that is fixedly connected with the extension part passes through the circular member and is screwed with the fixing nut (2). 4. test remodeling sample maker according to claim 1, is characterized in that: the upper and lower ends of described sample sleeve (1) outer wall are respectively provided with sleeve edge (14), and described sleeve edge (14) The inner side is provided with a sleeve groove (13), and a lining film (18) is provided on the inner wall of the sample sleeve (1), and the lining film (18) extends out of the sample sleeve ( 1), the liner film (18) extending out of the sample sleeve (1) is fixed to the sleeve groove (13) through an apron. 5. The test remodeling sample maker according to claim 1, characterized in that: the sample sleeve (1) comprises two semicircular sleeves. 6. The test remodeling sample maker according to claim 1, characterized in that: the fixed base (11) includes a first stepped shaft (16) and a second stepped shaft connected to the first stepped shaft (16). Two step shafts (17), the second step shaft (17) is threaded on the horizontal instrument base (9-2), and the inside of the first step shaft (16) is provided with a base cavity (15) of the sample sleeve (1). 7. The test remodeling sample maker according to claim 1, characterized in that: the position of the height control cap (5) on the compacting hammer screw (6) can be adjusted along the height direction. 8. The test remodeling sample maker according to claim 7, characterized in that: the height control cap (5) is threadedly connected to the compacting hammer screw (6). 9. The test remodeling sample maker according to claim 4, characterized in that: the diameter of the sleeve edge (14) is 0.5% larger than the diameter of the sample, and the inner liner film (18) The height is 50% larger than that of the fabricated sample, and the diameter of the lining film (18) is 3% larger than that of the fabricated sample.