CN215374838U

CN215374838U - Roadbed filler compression detection equipment

Info

Publication number: CN215374838U
Application number: CN202121152794.5U
Authority: CN
Inventors: 唐文军; 张保祥; 乔玉荣; 杨树俊; 李彦民; 姜凤宇; 焦艳龙; 王超
Original assignee: Tianjin Xinyatai Engineering Construction Supervision Co ltd; China Railway Design Corp
Current assignee: Tianjin Xinyatai Engineering Construction Supervision Co ltd; China Railway Design Corp
Priority date: 2021-05-26
Filing date: 2021-05-26
Publication date: 2021-12-31
Anticipated expiration: 2031-05-26

Abstract

The utility model relates to a roadbed filler compression check out test set, the technical field who relates to engineering check out test set, it includes mounting panel and push down device, the mounting panel upper surface is provided with the test that is used for holding roadbed filler sample and protects a section of thick bamboo, the infiltration groove has been seted up by the region that the test protected a section of thick bamboo and surrounds to the mounting panel upper surface, mounting panel upper surface butt has the interception bottom plate, a plurality of intercommunicating pores have been seted up to interception bottom plate upper surface, intercommunicating pore and infiltration groove intercommunication, the filter paper that supplies water to pass through has been laid to interception bottom plate upper surface, push down device's push down end is installed and is used for compressing the detection pressure strip to the sample, this application has the effect that improves mounting panel drainage effect, and then the effect of the accuracy that improves roadbed filler compression and detects.

Description

Roadbed filler compression detection equipment

Technical Field

The application relates to the technical field of engineering check out test set, especially relate to a roadbed filler compression check out test set.

Background

The roadbed is the foundation of a track or a road surface and is formed by compacting multiple layers of roadbed fillers. The roadbed bears the dynamic load and the static load of an object borne above, and when the roadbed is constructed, the roadbed filler sample is generally compressed and detected, and construction is performed after the detection result meets the standard.

In the related art, a sample preparation device is generally used to prepare a sample of the roadbed filler, and a compression detection device is used to detect the prepared sample. The compression detection equipment comprises a mounting plate, a pressing device and a displacement detection device, wherein the mounting plate is used for placing a sample, the pressing device applies a loading force to the sample, and the displacement detection device monitors the displacement of the compressed sample and then completes the compression detection of roadbed filling.

To the correlation technique among the above-mentioned, the inventor thinks that there is the compression that can carry out different water content states to the sample according to the requirement of construction environment when detecting the sample compression, and then soaks the processing to the sample, and unnecessary moisture can stay on the mounting panel, and then makes the sample bottom soaked by water for a long time, makes the defect that the precision that the compression of road bed filler detected reduces.

SUMMERY OF THE UTILITY MODEL

In order to improve the defect that the accuracy that sample bottom was soaked by water for a long time, made road bed filler compression detection reduces, this application provides a road bed filler compression check out test set.

The application provides a roadbed filler compression check out test set adopts following technical scheme:

the utility model provides a roadbed filler compression check out test set, includes mounting panel and push down the device, the mounting panel upper surface is provided with the test that is used for holding roadbed filler sample and protects a section of thick bamboo, the infiltration groove has been seted up by the region that the section of thick bamboo surrounded is protected in the test to the mounting panel upper surface, mounting panel upper surface butt has the interception bottom plate, a plurality of intercommunicating pores have been seted up to the interception bottom plate upper surface, intercommunicating pore and infiltration groove intercommunication, the filter paper that supplies water to pass through has been laid to the interception bottom plate upper surface, the push down end of push down the device is installed and is used for compressing the detection pressure strip to the sample.

By adopting the technical scheme, the sample is placed in the test pile casing, so that the sample is abutted against the filter paper on the interception bottom plate, the filter paper effectively protects the communication hole on the interception bottom plate, the probability of blocking the communication hole when the sample is compressed is effectively reduced, and the water permeation efficiency of the interception bottom plate is ensured; when the sample is soaked, the redundant water flows into the permeation groove through the communication hole, and the permeation groove effectively receives the redundant water, so that the probability that the bottom of the sample is soaked by water is reduced, and the accuracy of roadbed filling compression detection is improved; the interception bottom plate also effectively supports the sample, so that the stress uniformity of the compression detection bottom of the sample is improved, and the compression detection accuracy of the roadbed filler is further improved.

Optionally, a plurality of circulation channels have been seted up along the inner wall in the infiltration groove, and the circulation channel extends to the outer extension of the space that test casing encloses.

Through adopting above-mentioned technical scheme, the water that flows into in the infiltration groove passes through the circulation passageway and outwards discharges, and the effectual reduction makes the condition emergence that the sample bottom was soaked by water because the water accumulation in the infiltration groove is too much, has improved the accuracy that the compression of road bed filler detected.

Optionally, the mounting panel upper surface has been seted up the annular that catchments, and the annular that catchments all communicates with the circulation passageway, and the annular that catchments surrounds the setting with experimental casing.

Through adopting above-mentioned technical scheme, the effectual water that flows to the circulation passageway of collecting water annular holds, has further reduced the probability that the infiltration groove overflows and soaks the sample bottom on water, has improved the accuracy that the compression of roadbed filler detected.

Optionally, the depth of the water collecting ring groove is greater than that of the permeation groove.

Through adopting above-mentioned technical scheme, the degree of depth setting of catchment annular has further improved the capacity of catchment annular, can be more contain by infiltration groove exhaust water.

Optionally, the inner bottom wall of the flow channel is inclined downwards from one end communicated with the permeation groove to one end communicated with the water collecting ring groove.

Through adopting above-mentioned technical scheme, the slope of circulation passageway sets up the effectual efficiency that has improved the water in the infiltration groove to the annular flow of catchmenting, has reduced the piling up of infiltration inslot water.

Optionally, the upper surface of the mounting plate is fixedly provided with an intercepting ring plate, and the intercepting ring plate surrounds the water collecting ring groove.

Through adopting above-mentioned technical scheme, the effectual water to the collecting ring inslot of interception annular of interception ring board has reduced the probability that the water in the collecting ring inslot was wandered out other regions of mounting panel because of the shake, has improved the clean and tidy nature of mounting panel upper surface.

Optionally, a lifting hole is formed in the middle of the upper surface of the intercepting bottom plate, a lifting rod is connected in the lifting hole in a sliding mode, a lifting plate is fixedly arranged at the top end of the lifting rod, and an anti-falling plate is fixedly arranged at the bottom end of the lifting rod.

By adopting the technical scheme, when the interception bottom plate is taken out, the lifting plate is pulled upwards to enable the anti-falling plate to be abutted against the lower surface of the interception bottom plate, so that the interception bottom plate is taken out from the test casing, and the efficiency of taking out the interception bottom plate is improved; the slide of carrying the pull rod sets up the space in the shared test casing of having effectually saved, makes the sample more stable with the interception bottom plate butt, has improved the accuracy that the compression of road bed filler detected.

Optionally, a lifting groove for placing the lifting plate is formed in the upper surface of the intercepting bottom plate, the lifting groove is communicated with the lifting hole, and finger grooves for fingers to stretch into are formed in two sides of the lifting groove.

By adopting the technical scheme, the lifting groove is used for placing the lifting plate, so that the lifting plate is effectively placed and stored, the stability of placing the sample on the interception bottom plate is improved, and the accuracy of compression detection of roadbed fillers is improved; the finger groove effectively facilitates the taking out of the lifting plate.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the water seeped from the sample enters the infiltration tank and is gathered into the water collecting ring tank through the circulation channel, so that the probability that the water in the infiltration tank overflows to soak the bottom of the sample is effectively reduced, and the accuracy of roadbed filling compression detection is improved;

2. the intercepting bottom plate effectively provides bottom support for the sample in the test pile casing, the probability of the sample entering the infiltration tank during compression detection is effectively reduced, and meanwhile, the arrangement of the filter paper effectively reduces the probability of blocking the communication hole during compression detection of the sample;

3. indicate the effectual improvement of setting up of groove to carry the arm-tie from carrying the efficiency that takes out in the arm-tie groove, and then improved the efficiency that takes out the interception bottom plate, carry the effectual accommodating space that provides for carrying the arm-tie in groove, shared sample detection space when the effectual compression test that has reduced makes the sample can be more stable places on the interception bottom plate, has improved the accuracy that the compression of road bed filler detected.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present application;

FIG. 2 is a partial cross-sectional view showing a permeation tank;

FIG. 3 is a partial cross-sectional view showing the pull assembly.

In the figure, 1, mounting plate; 11. a permeation groove; 12. a flow-through channel; 13. a water collecting ring groove; 14. a test protecting cylinder; 2. a pressing device; 21. a support bar; 22. pressing the beam downwards; 23. a compression plate; 3. a displacement detection device; 31. a support frame; 32. a displacement detector; 4. mounting the component; 41. fixing a column; 42. a fixed cylinder; 43. a bolt; 5. intercepting a ring plate; 6. intercepting a bottom plate; 61. a communicating hole; 62. lifting the groove; 621. lifting and pulling the hole; 622. a finger groove; 63. filtering paper; 7. a pull-up assembly; 71. lifting the plate; 72. lifting a pull rod; 721. an anti-drop plate; 8. the plate is pressed down.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses roadbed filler compression detection equipment.

Referring to fig. 1, the roadbed filling compression detection equipment comprises a mounting plate 1, a pressing device 2 for performing compression detection on a sample on the mounting plate 1, and a displacement detection device 3 for detecting the compression deformation quantity of the sample, wherein a test pile casing 14 is fixedly arranged in the middle of the upper surface of the mounting plate 1, and the sample is subjected to compression detection in the test pile casing 14.

The roadbed filling sample is placed into the test pile casing 14, the test pile casing 14 effectively carries out containment on the sample, meanwhile, the stability of the sample during compression is improved, and the precision of sample compression detection is further improved; carry out the application of loading force to the sample through push down device 2, detect the deformation of sample through displacement detection device 3, and then accomplish the compression test of roadbed filler, improved the accuracy of roadbed filler compression test.

Referring to fig. 1, the pressing device 2 includes two support rods 21, a pressing beam 22 and a pressing plate 23, the two support rods 21 are vertically fixed on the upper surface of the mounting plate 1, and the support rods 21 are located outside the test casing 14 and are symmetrically distributed around the central axis of the test casing 14. The lower pressing beam 22 is installed on the two support rods 21, the lower pressing beam 22 is horizontally arranged and located right above the test casing 14, and the lower pressing beam 22 can be adjusted in the vertical direction on the support rods 21. The pressing plate 23 is positioned in the middle of the lower surface of the lower pressing beam 22, and a pressing assembly for installing and fixing the pressing plate 23 and the lower pressing beam 22 is arranged between the pressing plate 23 and the lower pressing beam 22; the pressing beam 22 can drive the pressing plate 23 to extend into the test casing 14 and is pressed against the sample.

Put into experimental casing 14 with the sample to through installation component 4 with the pressure strip 23 installation back on pushing down the roof beam 22, drive pressure strip 23 downstream through pushing down the roof beam 22, and then make pressure strip 23 compress tightly the sample, exert the loading force to the sample, carry out the compression detection of road bed filler, improved the stability that the sample compression detected.

Referring to fig. 2, the mounting assembly 4 includes a fixing column 41, a fixing cylinder 42 and a bolt 43, the fixing cylinder 42 is fixedly arranged at the middle position of the lower surface of the pressing beam 22, the bottom of the fixing cylinder is open, the fixing column 41 is fixedly arranged at the middle position of the upper surface of the pressing plate 23, the fixing column 41 can extend into the fixing cylinder 42 and is abutted against the inner wall of the fixing cylinder 42, and the bolt 43 penetrates through the fixing cylinder 42 and the fixing column 41 and then is connected with the circumferential outer wall of the fixing cylinder 42 through the bolt 43.

When the pressing plate 23 is installed, the pressing plate 23 is moved, the fixing column 41 extends into the fixing cylinder 42, the bolt 43 penetrates through the fixing cylinder 42 and the fixing column 41 and then is connected with the bolt 43 on the outer side wall of the fixing cylinder 42, the fixing column 41 is fixed in the fixing cylinder 42, the installation of the pressing plate 23 is completed, and the installation stability of the pressing plate 23 is improved; when the pressure strip 23 applies a load force to the sample, the inner top walls of the fixing column 41 and the fixing cylinder 42 are tightly pressed, so that the stability and the service life of the pressure strip 23 during pressing are improved.

Referring to fig. 1, the displacement detecting device 3 includes a supporting frame 31 and a displacement detector 32, the supporting frame 31 is fixedly disposed on the upper surface of the mounting plate 1 and avoids the test casing 14, the top of the supporting frame 31 extends to the middle position above the lower pressing beam 22, the displacement detector 32 is fixedly disposed at the extending end of the supporting frame 31, and the probe abuts against the middle position on the upper surface of the lower pressing beam 22.

After the pressing beam 22 drives the pressing plate 23 to butt the sample, the positions of the support frame 31 and the displacement detector 32 are adjusted, so that the probe of the displacement detector 32 is abutted to the upper surface of the pressing beam 22, parameters are recorded, zero setting is carried out, when the pressing plate 23 carries out compression test on the sample, the changed displacement parameters are recorded through the displacement detector 32, and the accuracy of compression detection of roadbed filler is improved.

Referring to fig. 2, a penetration groove 11 is formed in a portion of the upper surface of the mounting plate 1, which is opposite to the middle position of the test casing 14, a water collecting ring groove 13 is formed in the upper surface of the mounting plate 1, a circular ring formed on the upper surface of the water collecting ring groove 13 and a circle surrounded by the lower surface of the test casing 14 are concentrically arranged, the water collecting ring groove 13 surrounds the test casing 14, the arrangement depth of the water collecting ring groove 13 is greater than that of the penetration groove 11, a plurality of circulation channels 12 are formed between the penetration groove 11 and the water collecting ring groove 13, the circulation channels 12 are circumferentially distributed by taking the middle position of the lower surface of the test casing 14 as the center, the circulation channels 12 communicate the water collecting ring groove 13 with the penetration groove 11, the circulation channels 12 are arranged in an upper opening manner, and the bottom end of the penetration groove 11 is obliquely arranged toward the water collecting ring groove 13.

The upper surface of the mounting plate 1 is fixedly provided with an intercepting ring plate 5, and the circumferential inner wall of the intercepting ring plate 5 is connected with the circumferential outer wall of the water collecting ring groove 13.

The bottom of the circumferential inner wall of the test pile casing 14 is abutted with an intercepting bottom plate 6, the lower surface of the intercepting bottom plate 6 is abutted with the mounting plate 1, the upper surface of the intercepting bottom plate 6 is provided with a plurality of uniformly distributed communication holes 61, part of the communication holes 61 are communicated with the permeation groove 11 or the circulation channel 12, filter paper 63 is laid on the upper surface of the intercepting bottom plate 6, and the intercepting bottom plate 6 is provided with a lifting assembly 7 for taking the intercepting bottom plate 6 out of the test pile casing 14.

The filter paper 63 is further laid on the upper surface of the sample, the upper surface of the filter paper 63 on the sample is abutted to the lower pressing plate 8, the communication holes 61 are further formed in the upper surface of the lower pressing plate 8 and are evenly distributed, and the circumferential outer wall of the lower pressing plate 8 is abutted to the circumferential inner wall of the test casing 14.

When the compression detection of the sample is carried out, the actual pavement water seepage condition is simulated, the sample is soaked in the test pile casing 14 by water, the seeped redundant water permeates into the infiltration groove 11 and the circulation channel 12 through the communicating hole 61 of the interception bottom plate 6, the water permeating into the infiltration groove 11 flows into the water collecting ring groove 13 through the circulation channel 12, the inclined arrangement of the circulation channel 12 effectively improves the efficiency of the water in the infiltration groove 11 flowing into the water collecting ring groove 13, the depth arrangement of the water collecting ring groove 13 effectively improves the volume of the water collecting ring groove, effectively reduces the probability of the bottom of the sample being soaked by the water for a long time, and further improves the accuracy of the compression test of the roadbed filling; the intercepting ring plate 5 effectively intercepts water in the water collecting ring groove 13, and the intercepting ring plate 5 and the test protection cylinder 14 form a space together, so that the water storage volume of the water collecting ring groove 13 is effectively improved, and the probability that the water in the water collecting ring groove 13 is splashed out of the area surrounded by the intercepting ring plate 5 is reduced.

The interception bottom plate 6 is effective to support the bottom of the sample, the probability that the circulation channel 12 and the infiltration tank 11 are blocked is reduced when the sample is compressed, the pressing plate 8 is arranged to effectively improve the uniformity of the pressing plate 23 for compressing the sample, the accuracy of sample compression detection is further improved, the filter paper 63 effectively reduces the probability that the water storage hole is blocked when the sample is compressed, the pressing plate 8 and the interception bottom plate 6 are effectively protected, and the accuracy of roadbed filler compression detection is also improved.

Referring to fig. 2 and 3, the lifting assembly 7 includes a lifting plate 71 and a filler rod, a lifting groove 62 is formed in the middle position of the upper surface of the intercepting bottom plate 6, the lifting groove 62 is used for completely abutting the horizontally arranged lifting plate 71, lifting holes 621 are formed in two end positions of the bottom wall of the lifting groove 62, the lifting rod 72 abuts against and slides on the inner wall of the lifting hole 621 along the vertical direction, the top end of the lifting rod 72 is fixedly connected with the lower surface of the lifting plate 71, and an anti-falling plate 721 is fixedly arranged at the bottom end of the lifting rod 72; when the pulling plate 71 is located in the abutting groove, the retaining plate 721 abuts against the inner bottom wall of the infiltration groove 11; when the anti-drop plate 721 is abutted against the intercepting bottom plate 6, the distance between the lower surface of the lifting plate 71 and the upper surface of the intercepting bottom plate 6 is provided for a hand to extend into; finger grooves 622 communicated with the lifting grooves 62 are formed in the positions, located on the two sides of the lifting grooves 62, of the upper surface of the intercepting bottom plate 6, and fingers can stretch into the finger grooves 622.

When compression detection is carried out, the lifting plate 71 is positioned in the lifting groove 62, so that the obstruction of placing the sample is effectively reduced, the sample can be placed on the interception bottom plate 6 more stably, the stress uniformity of the sample is improved, and the compression detection accuracy of the roadbed filler is further improved. The infiltration groove 11 effectively provides a storage space for the lifting rod 72, and the overall space and the reasonable utilization rate of the equipment are improved; when the intercepting bottom plate 6 needs to be taken out, fingers stretch into the finger grooves 622, the lifting plate 71 is taken out from the lifting grooves 62, the lifting rod 72 is abutted and slid with the inner wall of the lifting hole 621, the moving stability of the lifting plate 71 is effectively improved, the anti-falling plate 721 is abutted with the intercepting bottom plate 6, the intercepting bottom plate 6 can be taken out in an upward lifting plate 71 mode, and the taking efficiency of the intercepting bottom plate 6 is improved.

The implementation principle of the roadbed filling compression detection equipment in the embodiment of the application is as follows: the interception bottom plate 6 is laid in the test pile casing 14, then the filter paper 63 is laid, the sample is placed in the test pile casing 14, then the filter paper 63 is laid on the upper surface of the sample, then the pressing plate 8 is laid on the filter paper 63 on the sample, the pressing plate 23 is driven by the pressing beam 22 to move downwards, the pressing plate 23 is used for pressing and detecting the sample through the pressing plate 8, the displacement change of the sample is detected through the displacement detector 32, and then the compression detection of the roadbed filler is completed.

When carrying out the compression detection of different water contents to the road bed filler, carry out the wetting treatment to the sample in experimental casing 14, wherein unnecessary water permeates to infiltration groove 11 through intercommunicating pore 61, and the water in the infiltration groove 11 flows to catchment annular groove 13 through flow channel 12, and the effectual probability that has reduced the sample bottom and is soaked by water, and then improved the accuracy that the compression of road bed filler detected.

The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a road bed filler compression check out test set, mounting panel (1) and push down device (2), its characterized in that: mounting panel (1) upper surface is provided with test pile casing (14) that are used for holding road bed filler sample, infiltration groove (11) have been seted up to the region that mounting panel (1) upper surface was surrounded by test pile casing (14), mounting panel (1) upper surface butt has interception bottom plate (6), a plurality of intercommunicating pores (61) have been seted up to interception bottom plate (6) upper surface, intercommunicating pore (61) and infiltration groove (11) intercommunication, filter paper (63) that water supply passes through have been laid to interception bottom plate (6) upper surface, the end of pushing down of push down device (2) is installed and is used for compressing the sample and detect pressure strip (23).

2. The roadbed filling compression detection device of claim 1, wherein: the infiltration groove (11) is provided with a plurality of circulation channels (12) along the inner wall, and the circulation channels (12) extend outwards to the space enclosed by the test casing (14).

3. The roadbed filling compression detection device of claim 2, wherein: the upper surface of the mounting plate (1) is provided with a water collecting ring groove (13), the water collecting ring groove (13) is communicated with the circulating channel (12), and the water collecting ring groove (13) surrounds the test protection cylinder (14).

4. The roadbed filling compression detection device of claim 3, wherein: the depth of the water collecting ring groove (13) is greater than that of the infiltration groove (11).

5. The roadbed filling compression detection device of claim 4, wherein: the inner bottom wall of the flow channel (12) is inclined downwards from one end communicated with the permeation groove (11) to one end communicated with the water collecting ring groove (13).

6. The roadbed filling compression detection device of claim 3, wherein: the upper surface of the mounting plate (1) is fixedly provided with an intercepting ring plate (5), and the intercepting ring plate (5) surrounds the water collecting ring groove (13).

7. The roadbed filling compression detection device of claim 1, wherein: a lifting hole (621) is formed in the middle of the upper surface of the intercepting bottom plate (6), a lifting rod (72) is connected to the lifting hole (621) in a sliding mode, a lifting plate (71) is fixedly arranged at the top end of the lifting rod (72), and an anti-falling plate (721) is fixedly arranged at the bottom end of the lifting rod (72).

8. The roadbed filling compression detection device of claim 7, wherein: the upper surface of the intercepting bottom plate (6) is provided with a lifting groove (62) for placing a lifting plate (71), the lifting groove (62) is communicated with a lifting hole (621), and finger grooves (622) for fingers to stretch into are formed in two sides of the lifting groove (62).