CN216350198U

CN216350198U - Infiltration critical slope drop test device suitable for plateau environment

Info

Publication number: CN216350198U
Application number: CN202122249360.3U
Authority: CN
Inventors: 王新民
Original assignee: Tibet Zhengxin Engineering Testing Technology Co ltd
Current assignee: Tibet Zhengxin Engineering Testing Technology Co ltd
Priority date: 2021-09-16
Filing date: 2021-09-16
Publication date: 2022-04-19
Anticipated expiration: 2031-09-16

Abstract

The utility model discloses a penetration critical slope test device suitable for a plateau environment, which comprises a test bed and a glass cover, wherein a capillary tube is fixedly arranged on the top surface of the test bed, an upright post is vertically and fixedly arranged on one side of the capillary tube, a detection cylinder is arranged on the other side of the upright post, a hydraulic cylinder is erected above the detection cylinder, and a detection head is arranged above the bottom surface of a piston rod of the hydraulic cylinder, corresponding to the position above the detection cylinder. Has the advantages that: the utility model adopts the glass cover and the sealed glass door, in the process of testing, water can be put into the water bucket, the test pipeline is connected, the sample is put into the detection cylinder, the detection head is installed, the sealed glass door is closed, and the vacuum pump is adopted to extract the air in the glass cover, so that the internal air pressure of the glass cover is reduced, the air pressure of the plateau environment is simulated, the detected data is more attached to the plateau environment, the method is suitable for the penetration critical slope detection of coarse-grained soil in the plateau environment, and the application range is improved.

Description

Infiltration critical slope drop test device suitable for plateau environment

Technical Field

The utility model relates to the technical field of highway and construction engineering tests, in particular to a penetration critical slope drop test device suitable for a plateau environment.

Background

In a road or a construction project, a penetration critical slope drop test is often performed on coarse-grained soil, so that a penetration critical value and a slope drop critical value of the coarse-grained soil are detected, and a penetration critical slope drop tester is generally adopted and is a common project detection device.

The plateau environment air pressure is lower, in plateau environment construction, the infiltration critical slope drop test needs to be carried out on coarse-grained soil, the coarse-grained soil in the plateau needs to be sampled and inspected, the detection center construction is fixed in a certain altitude area, the altitude difference is inevitably generated with the environment where the sampled coarse-grained soil is located, the air pressure difference of the environment is generated, direct detection can lead to data not being consistent with the site, improvement can be further carried out, meanwhile, in the detection process, a bucket needs to be lifted regularly, the bucket is lifted by adopting a lifting mode to cause the bucket to shake, water stirring inside the bucket is further caused, the liquid level is not stable enough, long-time standing is needed, the liquid level is stable, the detection time is delayed, the detection efficiency is influenced, and improvement can be further carried out.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides the penetration critical slope drop test device suitable for the plateau environment, which has the advantages of being suitable for the plateau environment, improving the application range and improving the detection efficiency, and further solves the problems in the background technology.

(II) technical scheme

In order to realize the advantages of being suitable for the plateau environment, improving the application range and improving the detection efficiency, the utility model adopts the following specific technical scheme:

a penetration critical slope test device suitable for plateau environments comprises a test bed and a glass cover, wherein a capillary tube is fixedly installed on the top surface of the test bed, a stand column is vertically and fixedly installed on one side of the capillary tube, a detection cylinder is installed on the other side of the stand column, a hydraulic cylinder is erected above the detection cylinder, a detection head is installed right above a piston rod bottom surface of the hydraulic cylinder corresponding to the detection cylinder, a cross rod is transversely and fixedly installed on the top surface of the stand column, a winch is fixedly installed on the surface of the stand column in an overhanging mode, a hoisting rope is wound on an output end of the winch, guide wheels are installed on the top surface and two ends of the cross rod respectively, the hoisting rope is lapped on the rotating end surface of the guide wheels and hoisted with a bucket, the glass cover is fixedly covered on the outer sides of the capillary tube, the stand column and the detection cylinder, a sealing glass door is hinged on the vertical surface of the glass cover, and a vacuum pump is connected on the surface of one side of the glass cover through an air suction pipe, a detection host is fixedly installed on one side of the glass cover, which is located on the top surface of the test bed, and an air pressure gauge is connected to the surface of the other side of the glass cover in a penetrating mode.

Further, the horizontal fixed cover of cask surface has connect solid fixed ring, the lantern ring has been cup jointed in the surface slip of stand outside, and lantern ring both ends integral type is connected with the connection end plate to connect through handle bolt fixed connection between the end plate, a side surface of the lantern ring passes through connecting rod and solid fixed ring fixed connection.

Further, the detection host computer passes through data connecting line and detects first electric connection, and the data connecting line runs through the glass cover to the shutoff has sulphur daub between data connecting line and the glass cover.

Further, a ball groove is formed in the inner wall of the lantern ring, a ball is connected to the inside of the ball groove in a rolling mode, and the ball is in rolling abutting connection with the upright column.

Further, a switch valve is arranged on the surface of the air suction pipe.

Furthermore, the bottom surface of the glass cover is hermetically connected with the top surface of the test bed, and the glass cover is made of toughened glass.

Furthermore, the input end of the winch is electrically connected with the output end of the detection host.

Further, the mounting height of the winch is greater than the maximum lifting height of the bucket.

(III) advantageous effects

Compared with the prior art, the utility model provides a penetration critical slope drop test device suitable for plateau environment, which has the following beneficial effects:

(1) the utility model adopts the glass cover and the sealed glass door, water can be put into the water bucket in the process of testing, the testing pipeline is connected, the sample is put into the detection cylinder, the detection head is installed, the sealed glass door is closed, and the vacuum pump is adopted to extract air in the glass cover, so that the internal air pressure of the glass cover is reduced, the air pressure of the plateau environment is simulated, the detected data is more attached to the plateau environment, the utility model is suitable for the penetration critical slope detection of coarse-grained soil in the plateau environment, and the application range is improved.

(2) The utility model adopts the lantern ring and the fixed ring, the lantern ring is composed of two semicircular rings, the lantern ring can be opened by removing the handle bolt, the lantern ring is sleeved outside the upright post in the test process, the lantern ring moves up and down along the outer wall of the upright post through the closing of the handle bolt, the lantern ring is fixedly connected with the fixed ring through the connecting rod, the fixed ring is sleeved on the water barrel, and when the water barrel moves up and down, the lantern ring moves up and down to guide the water barrel, so that the water barrel is prevented from shaking, the water barrel is kept to move up and down stably, the liquid level fluctuation is reduced, the stability of water pressure is improved, the standing time is reduced, and the detection efficiency is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a penetration critical slope testing apparatus suitable for a plateau environment according to the present invention;

FIG. 2 is a front view of a penetration critical slope testing device suitable for plateau environment according to the present invention;

fig. 3 is a schematic structural view of the collar proposed by the present invention.

In the figure:

1. a test bed; 2. a glass cover; 3. a capillary tube; 4. a detection cylinder; 5. a hydraulic cylinder; 6. a detection head; 7. a vacuum pump; 8. an air intake duct; 9. an on-off valve; 10. a water bucket; 11. detecting a host; 12. an air pressure gauge; 13. a fixing ring; 14. a connecting rod; 15. a collar; 16. a winch; 17. a column; 18. a cross bar; 19. hoisting a rope; 20. sealing the glass door; 21. a hinge; 22. connecting the end plates; 23. a handle bolt; 24. a ball groove; 25. and a ball.

Detailed Description

For further explanation of the various embodiments, the drawings which form a part of the disclosure and which are incorporated in and constitute a part of this specification, illustrate embodiments and, together with the description, serve to explain the principles of operation of the embodiments, and to enable others of ordinary skill in the art to understand the various embodiments and advantages of the utility model, and, by reference to these figures, reference is made to the accompanying drawings, which are not to scale and wherein like reference numerals generally refer to like elements.

According to the embodiment of the utility model, the penetration critical slope drop test device suitable for the plateau environment is provided.

The present invention will be further described with reference to the accompanying drawings and specific embodiments, as shown in fig. 1-3, according to an embodiment of the present invention, an infiltration critical slope testing apparatus suitable for a plateau environment includes a test bed 1 and a glass cover 2, a capillary tube 3 is fixedly installed on a top surface of the test bed 1, an upright post 17 is vertically and fixedly installed on one side of the capillary tube 3, the upright post 17 is of a cylindrical structure, a detection cylinder 4 is installed on the other side of the upright post 17, a hydraulic cylinder 5 is erected above the detection cylinder 4, a detection head 6 is installed on a bottom surface of a piston rod of the hydraulic cylinder 5 corresponding to the detection cylinder 4, which is a common structure in the art and will not be described herein in any greater detail, a cross bar 18 is transversely and fixedly installed on the top surface of the upright post 17, a hoist 16 is fixedly installed on a surface of the upright post 17 in an overhanging manner, a hoisting rope 19 is wound around an output end of the hoist 16, guide wheels are respectively installed on a top surface and two ends of the cross bar 18, the hoisting rope 19 is lapped on the surface of the rotating end of the guide wheel and hoists the water barrel 10, the hoisting machine 16 hoists and lifts the water barrel 10 through the hoisting rope 19, the glass cover 2 is fixedly covered on the top surface of the test bed 1 positioned outside the capillary tube 3, the upright post 17 and the detection cylinder 4, and the front vertical surface of the glass cover 2 is hinged with the sealed glass door 20 through a hinge 21, which is a common sealing structure and not described in detail herein, a vacuum pump 7 is connected on the surface of one side of the glass cover 2 through an air suction pipe 8, a detection host 11 is fixedly installed on the top surface of the test bed 1 on one side of the glass cover 2, and an air pressure gauge 12 is connected on the surface of the other side of the glass cover 2 through a way, so as to observe the internal air pressure of the glass cover 2, in the process of testing, water can be put into the water barrel 10, a test pipeline is connected, a sample is put into the detection cylinder 4, the detection head 6 is installed, the sealed glass door 20 is closed, adopt the air in the vacuum pump 7 extraction glass cover 2, make the inside atmospheric pressure of glass cover 2 reduce, the atmospheric pressure of simulation plateau environment to the data that make to detect out more laminate in plateau environment, thereby be applicable to under the plateau environment and detect the critical slope of infiltration of coarse-grained soil, improved application range.

In one embodiment, the outer surface of the water bucket 10 is transversely fixedly sleeved with a fixed ring 13, the outer surface of the upright post 17 is slidably sleeved with a lantern ring 15, two ends of the lantern ring 15 are integrally connected with a connecting end plate 22, the connecting end plates 22 are fixedly connected through handle bolts 23, the handle bolts 23 penetrate through the connecting end plate 22 and are in threaded connection with the connecting end plate 22, one side surface of the lantern ring 15 is fixedly connected with the fixed ring 13 through a connecting rod 14, the lantern ring 15 is composed of two semicircular rings, the lantern ring 15 can be opened by removing the handle bolts 23, in the test process, the lantern ring 15 is sleeved on the outer side of the upright post 17 and is closed through the handle bolts 23, the lantern ring 15 moves up and down along the outer wall of the upright post 17, the lantern ring 15 is fixedly connected with the fixed ring 13 through the connecting rod 14, the fixed ring 13 is sleeved with the water bucket 10, when the water bucket 10 moves up and down, the lantern ring 15 moves up and down to guide the water bucket 10, so as to avoid the water bucket 10 from shaking, and then keep cask 10 steadily to reciprocate, reduce the liquid level and fluctuate to improve water pressure's stability, reduced the stationary time, improved detection efficiency.

In an embodiment, the detection host 11 is electrically connected to the detection head 6 through a data connection line, which is a common detection connection structure in the field, and is not described herein in detail, and the data connection line passes through the glass cover 2, and sulfur mastic is sealed between the data connection line and the glass cover 2, and a building or structural sealant can be used for sealing, so as to avoid air leakage.

In one embodiment, the inner wall of the lantern ring 15 is provided with a ball groove 24, the ball 25 is connected to the inside of the ball groove 24 in a rolling manner, and the ball 25 is in rolling contact with the upright post 17, so that the friction force generated when the lantern ring 15 moves is reduced, and the lantern ring 15 can move up and down smoothly and stably.

In one embodiment, the surface of the air suction pipe 8 is provided with a switch valve 9, and after the vacuum pump 7 stops working, the switch valve 9 should be closed to avoid air leakage.

In one embodiment, the bottom surface of the glass cover 2 is hermetically connected with the top surface of the test bed 1, and the glass cover 2 is made of toughened glass, so that people are prevented from being injured by breakage.

In one embodiment, the input terminal of the winch 16 is electrically connected to the output terminal of the detection host 11, which is a common control connection type and will not be described herein.

In one embodiment, the hoist 16 is installed at a height greater than the maximum elevation height of the water tub 10, and the collar 15 is prevented from touching the hoist 16.

The working principle is as follows:

in the process of testing, water can be put into the water bucket 10, a test pipeline is connected, a sample is put into the detection cylinder 4, the detection head 6 is installed, the sealing glass door 20 is closed, the vacuum pump 7 is adopted to extract air in the glass cover 2, so that the air pressure in the glass cover 2 is reduced, the air pressure of a plateau environment is simulated, detected data is more attached to the plateau environment, the method is suitable for detecting the infiltration critical gradient of coarse-grained soil in the plateau environment, the use range is improved, meanwhile, in the process of testing, the lantern ring 15 is sleeved outside the upright post 17 and is closed through the handle bolt 23, the lantern ring 15 moves up and down along the outer wall of the upright post 17, the lantern ring 15 is fixedly connected with the fixing ring 13 through the connecting rod 14, the fixing ring 13 is sleeved with the water bucket 10, when the water bucket 10 moves up and down, the lantern ring 15 moves up and down to guide the water bucket 10, so that the water bucket 10 is prevented from shaking, and then keep cask 10 steadily to reciprocate, reduce the liquid level and fluctuate to improve water pressure's stability, reduced the stationary time, improved detection efficiency.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The infiltration critical slope drop test device suitable for the plateau environment is characterized by comprising a test bench (1) and a glass cover (2), wherein a capillary tube (3) is fixedly mounted on the top surface of the test bench (1), a stand column (17) is vertically and fixedly mounted on one side of the capillary tube (3), a detection cylinder (4) is mounted on the other side of the stand column (17), a hydraulic cylinder (5) is erected above the detection cylinder (4), a detection head (6) is mounted right above the detection cylinder (4) and corresponds to the bottom surface of a piston rod of the hydraulic cylinder (5), a cross rod (18) is transversely and fixedly mounted on the top surface of the stand column (17), a winch (16) is fixedly suspended on the surface of the stand column (17), a hoisting rope (19) is coiled at the output end of the winch (16), guide wheels are respectively mounted on the top surface and two ends of the cross rod (18), the hoisting rope (19) is lapped on the surface of a guide rotating end and a water bucket (10) is hoisted, the test bench (1) top surface is located capillary (3), stand (17) and detects a fixed cover in section of thick bamboo (4) outside and is equipped with glass cover (2), and glass cover (2) just facade has sealed glass door (20) through hinge (21) articulated to glass cover (2) side surface has vacuum pump (7) through breathing pipe (8) through-connection, glass cover (2) one side is located test bench (1) top surface fixed mounting has detection host computer (11), and glass cover (2) other side surface through-connection has air gauge (12).

2. The infiltration critical slope drop test device suitable for plateau environment of claim 1, wherein the outer surface of the bucket (10) is transversely fixedly sleeved with a fixing ring (13), the outer side surface of the upright column (17) is slidably sleeved with a lantern ring (15), two ends of the lantern ring (15) are integrally connected with a connecting end plate (22), the connecting end plates (22) are fixedly connected through handle bolts (23), and one side surface of the lantern ring (15) is fixedly connected with the fixing ring (13) through a connecting rod (14).

3. The apparatus for testing infiltration critical slope drop suitable for plateau environment as claimed in claim 1, wherein said detection host (11) is electrically connected with the detection head (6) through a data connection line, and the data connection line passes through the glass cover (2), and sulfur daub is sealed between the data connection line and the glass cover (2).

4. The infiltration critical slope drop test device suitable for plateau environment of claim 2, characterized in that, the lantern ring (15) inner wall has a ball groove (24), and ball (25) is connected to the ball groove (24) inside in a rolling way, and ball (25) and stand (17) are rolling and abutting.

5. The infiltration critical slope drop test device suitable for plateau environment of claim 1, characterized in that, the surface of the air suction pipe (8) is installed with a switch valve (9).

6. The infiltration critical slope testing device suitable for the plateau environment as claimed in claim 1, wherein the bottom surface of the glass cover (2) is hermetically connected with the top surface of the test bed (1), and the glass cover (2) is made of toughened glass.

7. The apparatus for testing infiltration critical slope drop suitable for plateau environment as claimed in claim 1, wherein the input end of the windlass (16) is electrically connected with the output end of the detection host (11).

8. The infiltration critical slope testing device suitable for plateau environment of claim 1, wherein the installation height of the windlass (16) is larger than the maximum lifting height of the bucket (10).