Forming device applied to mud cakes and columns

Abstract

Four round holes are symmetrically formed in four corners of an upper cover plate and four corners of a lower cover plate, screws penetrate through the upper cover plate and the lower cover plate, four steel pipes with the same length are used between the upper cover plate and the lower cover plate to sleeve columns to support the upper cover plate and the lower cover plate, and the outer sides of the cover plates are fixed through nuts; the bottom of the upper jack is welded at the center of the lower part of the upper cover plate; the upper pressing box is connected with the bottom of the upper jack, the discharging box comprises a box barrel and a bottom cover, the bottom cover is arranged in the box barrel in a clearance fit mode, the box barrel is fixedly connected with the lower cover plate, the bottom cover is connected with the lower jack, a cylinder is welded to the top of the bottom cover, the top of the cylinder is higher than the top of the box barrel, and an inserting hole is formed in the bottom of the upper pressing box and matched with the cylinder. The upper jack is used for downward pressurization, cake pressing and forming, the lower jack is used for upward pressurization and demolding, the mud containing sand, melon-seed-shaped pieces and stones can be made into mud cakes and columns with certain density, the mud cakes and columns are used for hole sealing and inverted filter arrangement when an osmometer is buried, and the effectiveness of hole sealing and inverted filter materials is greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the construction material processing device for safety monitoring instrument is buried in the underground, specifically relates to a kind of application in mud cake, column forming device. BACKGROUND

[0002] The safety monitoring facilities of dam, foundation pit, slope etc. Generally contain osmometer, earth pressure cell, these two kinds of monitoring sensors need to be buried to specified position by drilling, after placing to specific position, osmometer needs to backfill anti-filter material at bottom and around, needs to backfill clay to seal water at top, after placing to specified position, earth pressure cell needs to backfill material similar to original soil body in elastic modulus fixed, the quality control of backfill material gradation and density is crucial, it can influence the precision and life of sensor measurement, seriously even make measured data invalid.Currently, the method of backfilling anti-filter material is throwing into hole, using the weight of material to fall to backfill position naturally, in the process of throwing, because hole is deep, the weight of particle of different particle size of material is different, there is water or slurry in hole, so that material of different particle size separates naturally in the process of falling, often heavy particle arrives position first, light particle arrives position later, even under the condition of water or slurry, some particles of relatively light weight are directly suspended in liquid under the action of buoyancy, and cannot fall down, so that the gradation of material thrown around sensor is single and discontinuous, cannot play the effect of anti-filtering, cause hole to be blocked or sensor to be invalid.Osmometer upper hole sealing and earth pressure cell fixing adopt throwing mud ball into hole, supplemented with drill rod tamping, because mud ball diameter is similar, often easy to form overhead, and the density of backfill soil body also cannot be controlled, easy to make osmometer hole sealing fail, cause monitoring data to be distorted, the density of backfill soil material of earth pressure cell and monitoring object is greatly different, and the difference of elastic modulus is relatively large, lead to monitoring data distortion, even some cannot measure earth pressure.This is also the main reason for affecting the wide application of monitoring facilities. CONTENT OF UTILITY MODEL

[0003] The utility model provides a kind of mud cake, column forming device, backfill filter material, such as sand, melon seed piece, broken stone, plus binder self-made round cake or cylinder, so that material keeps the particle gradation and density controllable in the process of backfilling, solve the problem of anti-filtering material separation and backfill clay not dense and density control.

[0004] To realize the above-mentioned utility model purposes, the utility model takes the following technical solutions:

[0005] A kind of application in mud cake, column forming device, the forming device includes counterforce device, hydraulic pressure device, forming die;

[0006] The counterforce device comprises upper and lower cover plates and four screw rods, the upper and lower cover plates are symmetrically provided with four round holes at four corners, the screw rods pass through the upper and lower cover plates, and four equal-length steel pipe sleeves are used to support the upper and lower cover plates, and the outer side of the cover plates is fixed by nuts;

[0007] The hydraulic pressure device comprises upper and lower jacks and a hydraulic oil pump, the hydraulic oil pump pressurizes and controls the upper and lower jacks respectively, the bottom of the upper jack is welded to the lower center of the upper cover plate, and the bottom of the lower jack is welded to the upper center of the lower cover plate;

[0008] The forming die comprises an upper pressing box and a lower material box, the upper pressing box is connected with the bottom of the upper jack, the lower material box comprises a box barrel and a bottom cover, the bottom cover is arranged in the box barrel in a clearance fit mode, the box barrel is fixedly connected with the lower cover plate, the bottom cover is connected with the lower jack, and a cylinder is welded to the top of the bottom cover, the top of the cylinder is higher than the top of the box barrel, the bottom of the upper pressing box is provided with a insertion hole, the upper pressing box is pressed into the box barrel, the cylinder is inserted into the insertion hole, and the depth of the insertion hole is greater than the height of the cylinder.

[0009] The further technology of the utility model:

[0010] Preferably, the first screw rod is welded to the top of the upper pressing box, and the first nut is arranged at the center of the bottom of the upper jack, and the upper pressing box is connected through the first screw rod and the first nut welded to the center of the upper jack.

[0011] Preferably, the second screw rod is welded to the bottom of the bottom cover, the second nut is arranged at the center of the top of the lower jack, and the bottom cover is connected through the second screw rod and the second nut welded to the center of the lower jack.

[0012] Preferably, the steel pipe sleeve is composed of a plurality of short pipes, flanges are arranged at the two ends of the short pipes, and the residual height of the upper and lower cover plates is adjusted by using different numbers of short pipes.

[0013] The utility model has the advantages of:

[0014] The utility model provides a kind of application in mud cake, column forming device, using upper jack downward pressurization, cake forming, lower jack upward pressurization, stripping, can be made into certain density mud cake, column by sand, melon slice, stone mud, for hole sealing, filter layer setting when osmotic pressure gauge is buried, greatly improve the effectiveness of hole sealing and filter material. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme in the embodiments of the utility model, the drawings needed in the embodiment description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can also be obtained by those skilled in the art without creative labor.

[0016] Fig. 1It is a schematic diagram of a mud cake and column forming device;

[0017] Fig. 2 It is a schematic diagram of a jack working on the forming device;

[0018] Fig. 3 It is a schematic diagram of a jack working on the forming device;

[0019] In the figure: 10. upper cover plate; 11. lower cover plate; 12. screw; 13. short pipe; 14. flange plate; 15. nut; 16. upper jack; 17. lower jack; 18. hydraulic oil pump; 19. first screw; 20. first nut; 21. second screw; 22. second nut; 23. upper pressing box; 24. box barrel; 25. bottom cover; 26. cylinder; 27. jack hole. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme in the embodiments of the present application will be further described in detail below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application but not all. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0021] As Figs. 1-3 The present embodiment provides a mud cake and column forming device, which comprises a counterforce device, a hydraulic pressure device and a forming die.

[0022] The counterforce device comprises upper and lower cover plates 11 and four screws 12. The upper and lower cover plates 11 are symmetrically provided with four round holes at four corners, and the screws 12 pass through the upper and lower cover plates 11. Four equal-length steel pipe sleeves are arranged between the upper and lower cover plates 11 to support the upper and lower cover plates 11. The outer side of the cover plate is fixed by nuts 15, and the counterforce is provided by the engagement of the nuts 15 and the screws 12.

[0023] The hydraulic pressure device comprises upper and lower jacks 17 and a hydraulic oil pump 18. The hydraulic oil pump 18 controls the upper and lower jacks 17 respectively. The bottom of the upper jack 16 is welded to the lower center of the upper cover plate 10 to press the cake downward to form, and the bottom of the lower jack 17 is welded to the upper part of the lower cover plate 11 to press upward to demold.

[0024] The upper pressing box 23 is welded to the first screw 19 at the top, the bottom center of the upper jack 16 is provided with the first nut 15 20, and the upper pressing box 23 is connected through the first screw 19 and the first nut 15 20 welded to the center of the upper jack 16.

[0025] The forming die comprises an upper pressing box 23 and a lower box, the upper pressing box 23 is connected with the bottom of the upper jack 16, the lower box comprises a box barrel 24 and a bottom cover 25, the bottom cover 25 is gap-fitted in the box barrel 24, the box barrel 24 is fixedly connected with the lower cover plate 11, the bottom cover 25 is connected with the lower jack 17, the bottom cover 25 is welded with a cylinder 26 at the top, the top of the cylinder 26 is higher than the top of the box barrel 24, the bottom of the upper pressing box 23 is provided with a insertion hole 27, the upper pressing box 23 is pressed into the box barrel 24, the cylinder 26 is inserted into the insertion hole 27, and the depth of the insertion hole 27 is greater than the height of the cylinder 26;

[0026] The bottom of the bottom cover 25 is welded with the second screw rod 21, the top of the lower jack 17 is provided with the second nut 2215, and the bottom cover 25 is connected through the second screw rod 21 and the second nut 2215 welded at the center of the lower jack 17.

[0027] After the mud containing sand, melon seed piece and stone is poured into the box barrel 24, the hydraulic oil pump is opened, the upper jack 16 is downwardly pressed, the upper pressing box 23 is pressed into the box barrel 24, the cylinder 26 is inserted into the insertion hole 27, and the upper jack 16 is continuously pressed to press the mud containing sand, melon seed piece and stone into a cake or a column, after the pressing is completed, the upper jack 16 is retracted, the upper pressing box 23 is separated from the box barrel 24, the lower jack 17 is started to push out the bottom cover 25 from the box barrel 24, and the mud cake or the mud column is conveniently taken out.

[0028] The steel pipe sleeve column is composed of a plurality of short pipes 13, flanges 14 are arranged at the two ends of the short pipe 13, and the remaining height of the upper and lower cover plates 11 is adjusted by using different numbers of short pipes 13.

[0029] The design of the flange 14 can increase the contact area between the short pipes 13 to avoid misalignment of the upper and lower short pipes 13.

[0030] According to the required density of the formed mud cake or column, the required compression height is calculated, the remaining height of the upper and lower cover plates 11 is adjusted by using different numbers of short pipes 13, the height of the formed mud cake or column reaches the calculated height, and thus the density of the mud cake or column is controlled.

[0031] In this document, the terms "first" and "second" are used merely to distinguish one entity or action from another entity or action, and do not necessarily require or imply any such actual relationship or order between these entities or actions. Moreover, the terms "comprise", "include" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such a process, method, article or device. Without more limitations, the element defined by the statement "comprising a" does not exclude the presence of additional identical elements in the process, method, article or device including the element.

[0032] In the description of the utility model, still need to explain, unless another explicit provision and limitation, term " set ", " install ", " link ", " connect " should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected, can be mechanical connection, also can be electrical connection, can be directly connected, also can indirectly connect through the intermediate medium, can be two elements inside the communication. For ordinary skilled person in the art, the above-mentioned terms can be understood according to the specific meaning of the utility model.

[0033] The above content is merely an example and description of the structure of the utility model, and those skilled in the art can make various modifications or supplements or adopt similar ways to replace the described specific embodiments, as long as they do not deviate from the structure of the utility model or exceed the scope defined by the present claims, which shall belong to the protection scope of the utility model.

Claims

1. An application for a mud cake, column forming device, characterized by, The forming device comprises a counterforce device, a hydraulic pressure device, and a forming die; The counterforce device comprises upper and lower cover plates and four screw rods, the upper and lower cover plates are symmetrically provided with four circular holes at four corners, the screw rods pass through the upper and lower cover plates, four equal-length steel pipe sleeves are used to support the upper and lower cover plates, and nuts are used to fix the cover plates outside. The hydraulic pressure device comprises upper and lower jacks and a hydraulic oil pump, the hydraulic oil pump is used to pressurize and control the upper and lower jacks respectively, the upper jack is welded at the bottom of the upper cover plate, and the lower jack is welded at the top of the lower cover plate. The forming die comprises an upper pressing box and a lower feeding box, the upper pressing box is connected with the bottom of the upper jack, the lower feeding box comprises a box barrel and a bottom cover, the bottom cover is arranged in the box barrel in a clearance fit mode, the box barrel is fixedly connected with the lower cover plate, the bottom cover is connected with the lower jack, and a cylinder is welded at the top of the bottom cover and protrudes above the top of the box barrel.

2. A device for forming a cake or a column according to claim 1, characterized in that The upper pressing box is provided with a insertion hole at the bottom, the upper pressing box is pressed into the box barrel, the cylinder is inserted into the insertion hole, and the depth of the insertion hole is greater than the height of the cylinder.

3. A device for forming a cake or a column according to claim 1, characterized in that The upper pressing box is provided with a first screw rod at the top, the bottom of the upper jack is provided with a first nut at the center, and the upper pressing box is connected with the first nut welded at the center of the upper jack through the first screw rod.

4. A device for forming a cake or a column according to claim 1, characterized in that The bottom cover is provided with a second screw rod at the bottom, the top of the lower jack is provided with a second nut at the center, and the bottom cover is connected with the second nut welded at the center of the lower jack through the second screw rod. The steel pipe sleeve is composed of a plurality of short pipes, flanges are arranged at the two ends of the short pipes, and different numbers of short pipes are used to adjust the remaining height of the upper and lower cover plates.

Images