CN212134690U

CN212134690U - Hydraulic portable consolidation apparatus

Info

Publication number: CN212134690U
Application number: CN202020953478.7U
Authority: CN
Inventors: 刘健; 张星云; 胡伟娜; 孙书科; 刘磊; 王镇; 任世锋; 梁杨飞; 刘永胜
Original assignee: Cccc Water Transport Planning And Design Institute Co ltd
Current assignee: Cccc Water Transport Planning And Design Institute Co ltd
Priority date: 2020-05-29
Filing date: 2020-05-29
Publication date: 2020-12-11
Anticipated expiration: 2030-05-29

Abstract

The utility model provides a portable consolidation apparatus of fluid pressure type, include: the fixing structure comprises a fixing seat and a compression cavity; the hydraulic structure comprises a power part and a force transmission part, the power part is communicated with the force transmission part, the power part is arranged outside the fixed seat, the force transmission part is arranged in the fixed seat, the force transmission part is fixed on the fixed seat, and the force transmission part is connected with the compression cavity to extrude the extruded object in the compression cavity. The technical scheme of the utility model the volume of the consolidation apparatus among the prior art has been solved effectively and inconvenient problem is carried greatly.

Description

Hydraulic portable consolidation apparatus

Technical Field

The utility model relates to a technical field of consolidation apparatus particularly, relates to a portable consolidation apparatus of fluid pressure type.

Background

The soil body is used as an important component in the nature, and the consolidation characteristic of the soil body has great significance in engineering application. In the consolidation process of the soil body, along with the discharge of water in the soil, the pore ratio is reduced, compression is generated, and the volume of the soil body is reduced; meanwhile, the shear strength of the soil body is improved along with the gradual increase of the effective stress. An indoor consolidation test (also called compression test) is a basic method for researching the consolidation characteristics of a soil body, and is characterized in that undisturbed soil in a natural state or artificially prepared disturbed soil is prepared into a soil sample with a certain shape and specification, then the soil sample is placed in a consolidation container, and the compression deformation of the soil sample is measured under the conditions of different loads and complete lateral limitation. The unit settlement amount, the compression coefficient, the compression index, the rebound index, the compression modulus, the consolidation coefficient, the early consolidation pressure of undisturbed soil and the like of the soil are calculated through tests.

The indoor consolidation test instrument is a consolidation instrument, and the existing indoor consolidation test instrument equipment mostly adopts a lever type consolidation instrument or a pneumatic type consolidation instrument. The lever type consolidation apparatus adopts manual loading, recording, drawing and calculating. With the wide application of computer technology, the automation technology of data acquisition and processing is popularized and developed after being introduced, absorbed and studied in China, and the automation of test data acquisition, data processing, curve drawing and printing results is gradually realized. In the meantime, in order to reduce the physical labor, especially the need of a high-pressure consolidation apparatus, a consolidation apparatus which is loaded by hydraulic pressure and air pressure is adopted. In the middle and late 90 s of the last century, the full-automatic air pressure consolidation apparatus formed by combining the air pressure consolidation apparatus with the computer technology is from the beginning to the end, and gradually occupies the geotechnical test market.

The lever type consolidometer adopts the lever principle to obtain larger applied load, so that the instrument and equipment have large volume, heavy material weight, inconvenient transportation and carrying, low automation degree and high labor intensity, and the impact when weights are added also has certain influence on test results. The pneumatic consolidation apparatus adopts gas as a pressure source, loading is convenient, operation is simple, but each apparatus can only uniformly apply the same initial pressure and loading sequence by a pneumatic controller, and if one soil sample is abnormal and needs to be paused, the soil samples of other channels of the same pneumatic controller also need to be paused; meanwhile, an air source is required to be configured, so that the volume of the air pressure type consolidation apparatus is reduced, but in order to obtain stable and quick air source pressure, a large-sized air source device is required to be equipped, the transportation and carrying are inconvenient, and meanwhile, the force source precision of the consolidation apparatus can be influenced due to large volume deformation of air. Therefore, the consolidometer in the prior art is large in size and inconvenient to carry.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a hydraulic portable consolidometer to solve the inconvenient problem of the big carrying of the volume of the consolidometer in the prior art.

In order to achieve the above object, the utility model provides a portable consolidometer of fluid pressure type, include: the fixing structure comprises a fixing seat and a compression cavity; the hydraulic structure comprises a power part and a force transmission part, the power part is communicated with the force transmission part, the power part is arranged outside the fixed seat, the force transmission part is arranged in the fixed seat, the force transmission part is fixed on the fixed seat, and the force transmission part is connected with the compression cavity to extrude the extruded object in the compression cavity.

Furthermore, the fixing seat comprises a box body and a support, the lower portion of the support is arranged on the box body, the compression cavity comprises a cavity body and a gland structure matched with the cavity body, the cavity body is connected with the force transmission portion and can move along with the force transmission portion, and the gland structure is fixed on the support.

Further, the cavity body comprises a bottom wall and a side wall, the bottom wall and the side wall are surrounded to form a groove-shaped structure with an upper opening, and the outer diameter of a gland of the gland structure is matched with the inner diameter of the opening of the groove-shaped structure.

Furthermore, pass power portion and include hydraulic pressure cavity and piston, and the top of hydraulic pressure cavity has the via hole, and the piston is worn to establish in the via hole, and the bottom of piston is located hydraulic pressure cavity, and the compression cavity is located the top of piston.

Further, pass power portion still includes the platform, and the platform links to each other with the top of piston, and the cavity body sets up on the platform.

Furthermore, the hydraulic cavity comprises a lower cylinder body, an upper cylinder body and a diaphragm, the edge of the diaphragm is extruded between the lower cylinder body and the upper cylinder body, the diaphragm divides the space of the hydraulic cavity into a lower space and an upper space, the power part is communicated with the lower space, and the lower end of the piston is connected with the diaphragm and is positioned in the upper cylinder body.

Further, the power portion comprises a power cavity and a hydraulic rod, the lower end of the hydraulic rod is located in the power cavity, the hydraulic rod penetrates through the power cavity, and the upper end of the hydraulic rod is located on the upper portion of the power cavity.

Furthermore, the hydraulic portable consolidometer further comprises a linear bearing and a cylinder sleeve, wherein the cylinder sleeve is arranged between the box body and the linear bearing, and the linear bearing is arranged between the piston and the cylinder sleeve.

Further, the bottom area of the piston is larger than the bottom area of the hydraulic rod.

Further, the hydraulic structure includes hydraulic pressure pipe and manometer, and the hydraulic pressure pipe setting is passed between power portion and biography power portion in order to pass power portion and biography power portion intercommunication, and the manometer sets up on the hydraulic pressure pipe.

Use the technical scheme of the utility model, placed in the compression cavity by the extrudate, the portable consolidation apparatus of fluid pressure type is when using, applys the effort to the compression cavity through hydraulic structure, and the compression cavity extrudees by the extrudate. The hydraulic structure provides power for the consolidation structure, the force transmission of the hydraulic structure is stable, external equipment is not needed for applying power to the hydraulic structure, and the occupied volume is small. The consolidator occupies small volume and is convenient to carry. The technical scheme of the utility model the volume of the consolidation apparatus among the prior art has been solved effectively and inconvenient problem is carried greatly.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 shows a schematic overall structural view of an embodiment of a hydraulic portable consolidator according to the present invention; and

FIG. 2 shows a schematic view of a portion of the hydraulic portable consolidator of FIG. 1.

Wherein the figures include the following reference numerals:

10. solidifying the structure; 11. a fixed seat; 111. a box body; 112. a support; 12. compressing the cavity; 121. a cavity body; 122. a gland; 123. a dial indicator; 124. a permeable stone; 20. a hydraulic structure; 21. a power section; 211. a power cavity; 212. a hydraulic lever; 22. a force transmission part; 221. a hydraulic cavity; 2211. a lower cylinder body; 2212. an upper cylinder body; 2213. a diaphragm; 222. a piston; 223. a platform; 23. a hydraulic tube; 24. a pressure gauge; 100. an extruded object.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

Exemplary embodiments according to the present application will now be described in more detail with reference to the accompanying drawings. These exemplary embodiments may, however, be embodied in many different forms and should not be construed as limited to only the embodiments set forth herein. It is to be understood that these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the exemplary embodiments to those skilled in the art, in the drawings, the thicknesses of layers and regions are exaggerated for clarity, and the same devices are denoted by the same reference numerals, and thus the description thereof will be omitted.

As shown in fig. 1 and 2, the hydraulic portable consolidometer of the present embodiment includes: a consolidation structure 10 and a hydraulic structure 20. The fastening structure 10 includes a fixing seat 11 and a compression cavity 12. The hydraulic structure 20 comprises a power part 21 and a force transmission part 22, the power part 21 is communicated with the force transmission part 22, the power part 21 is arranged outside the fixed seat 11, the force transmission part 22 is arranged in the fixed seat 11, the force transmission part 22 is fixed on the fixed seat 11, and the force transmission part 22 is connected with the compression cavity 12 to extrude the extruded object 100 in the compression cavity 12.

By applying the technical scheme of the embodiment, the extruded object is placed in the compression cavity 12, and when the hydraulic portable consolidometer is used, acting force is applied to the compression cavity 12 through the hydraulic structure 20, so that the compression cavity 12 extrudes the extruded object 100. The hydraulic structure 20 provides power for the consolidation structure 10, the force transmission of the hydraulic structure 20 is stable, no external equipment is needed for applying power to the hydraulic structure, and the occupied volume is small. The consolidator occupies small volume and is convenient to carry. The technical scheme of this embodiment has solved the great inconvenient problem of carrying of volume of consolidation apparatus among the prior art effectively.

It should be noted that the hydraulic portable consolidometer of the present application can provide external force to the hydraulic structure 20 by using a standard weight to press the hydraulic structure 20 at the experimental site, so that the external force is not provided by other external power equipment. The upper end of the hydraulic rod of the hydraulic structure is of a flat plate structure, so that a heavy object can be conveniently placed at the upper end of the hydraulic rod. The pressure source of the hydraulic portable consolidation apparatus of the embodiment is not limited in form, and the hydraulic portable consolidation apparatus can be carried to any place where equipment can be operated to carry out consolidation test, the whole consolidation apparatus can not depend on electric and pneumatic power sources, the problem of pressure source limitation is solved, and the influence of external environment on the test process is avoided. The hydraulic portable consolidation apparatus is designed according to the Pascal principle, and is used for amplifying force generated on a loading weight by the fact that the area of a force transmission piston is larger than that of a hydraulic piston.

As shown in fig. 1 and fig. 2, in the solution of this embodiment, the fixing seat 11 includes a box 111 and a bracket 112, a lower portion of the bracket 112 is disposed on the box 111, the compression cavity 12 includes a cavity body 121 and a gland structure adapted to the cavity body 121, the cavity body 121 is connected to the force transmitting portion 22 and can move along with the force transmitting portion 22, and the gland structure is fixed on the bracket 112. The structure has lower processing cost and convenient arrangement.

As shown in fig. 1 and fig. 2, in the solution of the present embodiment, the cavity body 121 includes a bottom wall and a side wall, the bottom wall and the side wall enclose a trough-shaped structure with an upper opening, and an outer diameter of the gland 122 of the gland structure is matched with an inner diameter of the opening of the trough-shaped structure. The structure has low processing cost and is easy to take and place the extruded object 100. The adaptation means that the gland 122 is shaped to be the same as the slot-like opening.

In the solution of this embodiment, as shown in fig. 1, the compression chamber 12 further comprises a permeable stone 124, the permeable stone 124 is disposed between the objects to be pressed 100, and the outer diameter of the permeable stone 124 is adapted to the inner diameter of the groove-like structure. Specifically, the squeezed object 100 is, for example, soil, which contains a certain amount of moisture, and the moisture of the soil is discharged outwards when the soil is squeezed, and the permeable stone 124 is disposed to facilitate the discharge of the moisture in the squeezed object 100, so as to ensure the accuracy of the measurement of the squeezed object 100.

As shown in fig. 1, in the solution of the present embodiment, the gland structure includes a dial indicator 123, and the dial indicator 123 is disposed on the gland 122 to measure the deformation amount of the object to be pressed 100. The dial gauge 123 ensures that the hydraulic portable consolidator measures the deformation of the extruded object 100.

As shown in fig. 1, in the technical solution of this embodiment, the force transmission portion 22 includes a hydraulic cavity 221 and a piston 222, a through hole is formed in the top of the hydraulic cavity 221, the piston 222 is inserted into the through hole, the bottom of the piston 222 is located in the hydraulic cavity 221, and the compression cavity 12 is located at the top of the piston 222. The structure has the advantages of low processing cost and compact structure, and plays a good role in force transmission. A linear bearing is arranged between the outer wall of the piston 222 and the inner wall of the through hole, friction force of the piston 222 in moving is reduced due to the arrangement of the linear bearing, and the linear bearing is matched with the hydraulic cavity 221 and the piston 222, so that the piston 222 is not easy to swing and shake.

As shown in fig. 1, in the solution of this embodiment, the force transmission portion 22 further includes a platform 223, the platform 223 is connected to the top of the piston 222, and the chamber body 121 is disposed on the platform 223. Specifically, the area of the platform 223 is larger than that of the top end surface of the piston 222, and the above structure makes the force applied to the object to be extruded 100 relatively uniform. Platform 223 passes through fastener detachably with piston 222 and is connected, and the platform has the screw hole, and the terminal surface at the top of piston 222 has the screw hole, and the screw passes the platform and connects on piston 222, and it should be noted that, the upper surface of screw is less than the upper surface of platform 223, or the upper surface of screw is flush with the upper surface of platform 223, has guaranteed that the area of contact of platform 223 and the bottom surface of compression cavity 12 is great like this.

As shown in fig. 1 and 2, in the solution of the present embodiment, the hydraulic chamber 221 includes a lower cylinder 2211, an upper cylinder 2212 and a diaphragm 2213, the edge of the diaphragm 2213 is pressed between the lower cylinder 2211 and the upper cylinder 2212, the diaphragm 2213 divides the space of the hydraulic chamber 221 into a lower space and an upper space, the power portion 21 is communicated with the lower space, and the lower end of the piston 222 is connected to the diaphragm 2213 and is located in the upper cylinder 2212. The arrangement of the diaphragm 2213 enables the hydraulic cavity 221 to be divided into a lower space and an upper space, and the characteristics of the diaphragm 2213 can ensure the volume change of the lower space and the upper space, for example, when the lower space is increased, hydraulic oil can push the piston to move upwards to abut against the cavity body 121 to move upwards, and the gland 122 is not moved, so that the extruded object 100 is extruded. The bottom of the bracket 112 penetrates through the upper wall of the box 111, enters the box 111 and is connected to the hydraulic chamber 221, and the upper cylinder 2212 is connected to the upper wall of the box 111 by fasteners, so that the connection between the fixing structure and the hydraulic structure 20 is more stable.

As shown in fig. 1, in the solution of the present embodiment, the hydraulic structure 20 includes a hydraulic pipe 23 and a pressure gauge 24, the hydraulic pipe 23 is disposed between the power unit 21 and the force transmission unit 22 to connect the power unit 21 and the force transmission unit 22, and the pressure gauge 24 is disposed on the hydraulic pipe 23.

As shown in fig. 1, in the solution of the present embodiment, power portion 21 includes a power cavity 211 and a hydraulic rod 212, a lower end of hydraulic rod 212 is located in power cavity 211, hydraulic rod 212 passes through power cavity 211, and an upper end of hydraulic rod 212 is located at an upper portion of power cavity 211. When the hydraulic pressure rod 212 is pressed downwards in use, the hydraulic pressure rod 212 transmits force to the piston 222 through hydraulic oil, the piston applies upward acting force to the cavity body 121, and the gland 122 is kept still. So that the chamber body 121 and the pressing cover 122 cooperate to press the object 100. The upper end surface of hydraulic rod 212 is a flat surface, and the area of the upper surface of hydraulic rod 212 is larger than the cross-sectional area of the rod body of hydraulic rod 212.

As shown in fig. 1 and 2, in the technical solution of this embodiment, the hydraulic portable consolidometer further includes a linear bearing and a cylinder sleeve, the cylinder sleeve is disposed between the box body and the linear bearing, and the linear bearing is disposed between the piston 222 and the cylinder sleeve. This reduces the friction between the piston 222 and the cylinder liner.

As shown in fig. 1 and 2, in the solution of the present embodiment, the bottom area of the piston 222 is larger than the bottom area of the hydraulic rod. The structure greatly reduces the volume of the hydraulic portable consolidation apparatus and simultaneously obtains an accurate and stable pressure source.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A portable consolidometer of fluid pressure type, comprising:

the fixing structure (10), the fixing structure (10) comprises a fixed seat (11) and a compression cavity (12);

hydraulic structure (20), hydraulic structure (20) include power portion (21) and pass power portion (22), power portion (21) with pass power portion (22) and be linked together, power portion (21) set up the outside of fixing base (11), pass power portion (22) and set up in fixing base (11), pass power portion (22) and fix on fixing base (11), pass power portion (22) with compression cavity (12) link to each other in order to be right by extrusion thing (100) in compression cavity (12) extrude.

2. The hydraulic portable consolidometer according to claim 1, wherein the fixed seat (11) comprises a box (111) and a support (112), the lower part of the support (112) is arranged on the box (111), the compression chamber (12) comprises a chamber body (121) and a gland structure adapted to the chamber body (121), the chamber body (121) is connected to the force transmission part (22) and can move along with the force transmission part (22), and the gland structure is fixed on the support (112).

3. The hydraulic portable consolidometer according to claim 2, wherein the cavity body (121) comprises a bottom wall and a side wall, the bottom wall and the side wall enclose a trough-like structure with an upper opening, and the external diameter of the gland (122) of the gland structure is matched with the internal diameter of the opening of the trough-like structure.

4. The hydraulic portable consolidometer according to claim 2, wherein the force transfer part (22) comprises a hydraulic cavity (221) and a piston (222), the top of the hydraulic cavity (221) has a through hole, the piston (222) is inserted into the through hole, the bottom of the piston (222) is located in the hydraulic cavity (221), and the compression cavity (12) is located at the top of the piston (222).

5. The hydraulic portable consolidometer according to claim 4, wherein the force transfer section (22) further comprises a platform (223), the platform (223) being connected to the top of the piston (222), the chamber body (121) being arranged on the platform (223).

6. The hydraulic portable consolidator according to claim 4, characterized in that the hydraulic cavity (221) comprises a lower cylinder (2211), an upper cylinder (2212) and a diaphragm (2213), the edge of the diaphragm (2213) is squeezed between the lower cylinder (2211) and the upper cylinder (2212), the diaphragm (2213) divides the space of the hydraulic cavity (221) into a lower space and an upper space, the power part (21) communicates with the lower space, the lower end of the piston (222) is connected with the diaphragm (2213) and is located inside the upper cylinder (2212).

7. The hydraulic portable consolidometer according to claim 6, wherein the power section (21) comprises a power cavity (211) and a hydraulic rod (212), the lower end of the hydraulic rod (212) is located in the power cavity (211), the hydraulic rod (212) passes through the power cavity (211), and the upper end of the hydraulic rod (212) is located at the upper part of the power cavity (211).

8. The hydraulic portable consolidator of claim 7, further comprising a linear bearing and a cylinder liner, the cylinder liner disposed between the tank and the linear bearing, the linear bearing disposed between the piston (222) and the cylinder liner.

9. The hydraulic portable consolidator of claim 8, wherein the bottom area of the piston (222) is larger than the bottom area of the hydraulic ram.

10. The hydraulic portable consolidator according to claim 1, characterized in that the hydraulic structure (20) comprises a hydraulic tube (23) and a pressure gauge (24), the hydraulic tube (23) being arranged between the power section (21) and the force transfer section (22) to connect the power section (21) and the force transfer section (22) in communication, the pressure gauge (24) being arranged on the hydraulic tube (23).