CN217638460U - Automatic balanced geotechnique direct shear test appearance - Google Patents

Automatic balanced geotechnique direct shear test appearance Download PDF

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Publication number
CN217638460U
CN217638460U CN202123168685.5U CN202123168685U CN217638460U CN 217638460 U CN217638460 U CN 217638460U CN 202123168685 U CN202123168685 U CN 202123168685U CN 217638460 U CN217638460 U CN 217638460U
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shearing
balancing
thrust
rod
direct shear
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CN202123168685.5U
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Inventor
赵新欣
李栋伟
陈昊
陈涛
贾志文
张潮潮
王泽成
卜文杰
陈冠任
王红旗
王银嘉
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East China Institute of Technology
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East China Institute of Technology
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Abstract

The utility model discloses an automatic balanced geotechnical direct shear test appearance for ground test technical field, include: the device comprises a shearing device, a vertical loading device, an automatic balancing device, a shearing table, a thrust device and a reading device; the shearing device is arranged above the shearing table, and the thrust device drives the shearing device to reciprocate on the shearing table; an automatic balancing device is arranged below the shearing table and is movably connected with the shearing device through the vertical loading device; the shearing device drives the vertical loading device to deflect; meanwhile, the automatic balancing device keeps balance; the reading device is abutted with the shearing device; the reading device displays the reading. The utility model discloses can realize automatic control and supply water to make the balancing pole level all the time, can effectively improve measured data's accuracy.

Description

Automatic balanced geotechnique direct shear test appearance
Technical Field
The utility model relates to a ground test technical field, in particular to automatic balanced geotechnique direct shear test appearance.
Background
The direct shear apparatus is an apparatus for measuring the shear strength of soil used in a direct shear test, which measures the magnitude of the shear strength of a soil sample on a predetermined shear plane. At present the direct shear instrument of generally used is at the soil body shearing in-process, the lever of its lower part can correspondingly demonstrate the phenomenon to shearing box moving direction downward sloping because the soil body that the box was sheared to the upper portion takes moves, and the balancing pole slope will make the power change on the shearing box rather than being connected, the error grow, make the result inaccuracy that goes out, consequently just need the tester to go specially to control the balancing pole balance at experimental in-process, human factor effect is also uncontrollable when extravagant manpower resources, thereby can't provide reliable test data for direct shear test.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an automatic balanced direct shear test appearance, the device can control the lever of shearing instrument lower part effectively and keep the level, reduces experimental error, can also reduce testing personnel's work load simultaneously, makes things convenient for going on of test work.
In order to achieve the above object, the present invention provides the following technical solutions:
an auto-balancing geotechnical direct shear tester comprising: the device comprises a shearing device, a vertical loading device, an automatic balancing device, a shearing table, a thrust device and a reading device;
the shearing device is arranged above the shearing table, and the thrust device drives the shearing device to reciprocate on the shearing table;
an automatic balancing device is arranged below the shearing table and is movably connected with the shearing device through the vertical loading device;
the shearing device drives the vertical loading device to deflect; meanwhile, the automatic balancing device keeps balance;
the reading device is abutted with the shearing device; the reading device displays the reading.
Through the technical scheme, the utility model discloses a technological effect lies in: through automatic balancing device, can realize automatic control water supply to make the balancing pole level all the time, can effectively improve the accuracy that utilizes geotechnological direct shear test appearance measured data.
Preferably, the vertical loading device comprises a supporting frame, a force application frame and a balance rod;
a cross beam at one end of the supporting frame is movably connected with the shearing table, and the center of a cross beam at the other end of the supporting frame is movably connected with the balancing rod;
the center of a cross beam at one end of the force application frame is movably connected with the shearing device, and the center of a cross beam at the other end of the force application frame is fixedly connected with the balancing rod;
and hooks are arranged at two ends of the balancing rod.
Through the technical scheme, the utility model discloses a technological effect lies in: in practical application, the supporting frame and the balance rod form a lever; the two ends of the balance rod are provided with weights, and the force application rod connected with the balance rod applies force to the shearing device due to the weight of the weights.
Preferably, the automatic balancing apparatus includes: the device comprises a water supply tank, a valve, a water control valve, a vertical short rod, a drainage tube and a water tank;
the water supply tank is fixedly connected with the shearing table; a water tank mounting frame is arranged on the balancing rod; the water tank is movably connected with the water tank mounting frame;
the valve, the water control valve and the drainage tube are sequentially connected between the drainage tube and the water supply tank.
Through the technical scheme, the utility model discloses a technological effect lies in: the water supply tank supplies water to the water tank through the valve, the water control valve and the drainage tube, so that the balance rod is always kept horizontal.
Preferably, a vertical short rod matched with the water control valve is arranged on the balance rod.
Through the technical scheme, the utility model discloses a technological effect lies in: in practical application, the balance rod is driven to incline and unbalance by the movement of the shearing device, and the top end of the vertical short rod is contacted with the water control valve, so that the water control valve is opened to supply water.
Preferably, the reading device and the thrust device are respectively arranged at two ends of the shearing table;
the reading device and the thrust device are abutted against the shearing device, and the reading device, the thrust device and the shearing device are located on the same axis.
Through the technical scheme, the utility model discloses a technological effect lies in: and reading the shearing strength test data on the preset shearing surface of the measured soil sample.
Preferably, the thrust device and the water tank are located on the same axis.
Preferably, the thrust device consists of a thrust rod and a supporting seat;
the thrust rod penetrates through the supporting seat;
the thrust rod is provided with an external thread, and the supporting seat is provided with an internal thread; the external thread is matched with the internal thread.
Through the technical scheme, the utility model discloses a technological effect lies in: and pushing the shearing device to move on the shearing table and be matched with the reading device by using the thrust device, and reading test result data.
Compared with the prior art, the beneficial effects of the present invention are as follows:
the utility model can realize automatic control water supply through the valve and the water control valve, thereby leading the balancing pole to be always horizontal and effectively improving the accuracy of measured data; and the tester has simple structure, convenient assembly and disassembly, is suitable for outdoor test scenes, is convenient to use, and greatly saves manpower, material resources and time.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a front view of the present invention;
fig. 2 is a schematic structural view of the vertical loading device of the present invention;
fig. 3 is a schematic view of the structure of the water tank and the balance bar of the present invention.
In the figure: the device comprises a thrust rod 1, a supporting seat 2, a reading device 3, a shearing lower box 4, a shearing upper box 5, a pressure plate 6, a pin 7, a shearing table 8, a force application frame 9, a water supply box 10, a valve 11, a water control valve 12, a drainage tube 13, a water tank 14, a hook 15, a supporting frame 16, a balancing rod 17, a vertical short rod 18 and a water tank mounting frame 19.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
As shown in fig. 1, the embodiment discloses an automatic balancing geotechnical direct shear tester, which comprises a shearing device, a vertical loading device, an automatic balancing device, a shearing table 8, a thrust device and a reading device 3;
specifically, the method comprises the following steps:
a shearing device is arranged above the shearing table 8, and the thrust device drives the shearing device to reciprocate on the shearing table 8;
an automatic balancing device is arranged below the shearing table 8 and is movably connected with the shearing device through a vertical loading device;
the shearing device drives the vertical loading device to deflect; meanwhile, the automatic balancing device keeps balance;
the reading device 3 is abutted with the shearing device; the reading device 3 displays the reading.
As shown in fig. 1:
the reading device 3 and the thrust device are respectively arranged at two ends of the shearing table 8;
the reading device 3 and the thrust device are abutted to the shearing device, and the reading device 3, the thrust device and the shearing device are located on the same axis. The thrust device and the water tank are positioned on the same axis.
Wherein, the thrust device consists of a thrust rod 1 and a supporting seat 2; the thrust rod 1 penetrates through the supporting seat 2; the thrust rod 1 is provided with external threads, and the supporting seat 2 is provided with internal threads; the external thread is matched with the internal thread.
The shearing device consists of a shearing lower box 4, a shearing upper box 5, a pressure plate 6 and a pin 7; the upper shearing box and the lower shearing box are connected through a pin 7 to form a box body with a groove, and a soil sample pressure plate 6 to be tested is placed in the groove to cover and press the soil sample to be tested and is movably connected with the vertical loading device.
As shown in fig. 2:
the vertical loading device comprises a supporting frame 16, a force application frame 9 and a balance rod 17; a cross beam at one end of the supporting frame 16 is movably connected with the shearing table 8, and the center of the cross beam at the other end is movably connected with the balancing rod 17; the center of a cross beam at one end of the force application frame 9 is movably connected with the shearing device, and the center of a cross beam at the other end of the force application frame is fixedly connected with the balancing rod 17; the balance bar 17 is provided with hooks 15 at both ends.
Wherein, automatic balancing unit includes: a water supply tank 10, a valve 11, a water control valve 12, a vertical short rod 18, a drainage tube 13 and a water tank 14; as shown in fig. 3, the water supply tank 10 is fixedly connected to the shearing table 8; a water tank mounting frame 19 is arranged on the balancing rod 17; the water tank 14 is movably connected with a water tank mounting frame 19; a valve 11, a water control valve 12 and a drainage tube 13 are sequentially connected between the drainage tube 13 and the water supply tank 10;
a vertical short rod 18 is arranged on the balancing rod 17 and matched with the water control valve 12;
the water control valve 12 is an air ball valve.
Example 2
On the basis of the embodiment 1, the balance bar 17 in this embodiment is a hollow structure with two closed ends;
the automatic balancing device includes: a water supply tank 10, a valve 11, a water control valve 12, a vertical short rod 18 and a water tank 14; the water supply tank 10 is fixedly connected with the shearing table 8; a water tank mounting frame 19 is arranged on the balancing rod 17; the water tank 14 is movably connected with a water tank mounting frame 19; a valve 11, a water control valve 12 and a drainage tube 13 are sequentially connected between the drainage tube 13 and the water supply tank 10;
the vertical short rod 18 is of a hollow structure and is fixedly connected with the balance rod 17;
the water outlet at the lower end of the water control valve 12 is matched with the vertical short rod 18.
The device disclosed by the embodiment is relatively simple to describe because the content disclosed in the embodiment corresponds to the content disclosed in the embodiment, and the relevant parts can be referred to part of the description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (7)

1. An automatic balanced geotechnical direct shear tester, comprising: the device comprises a shearing device, a vertical loading device, an automatic balancing device, a shearing table (8), a thrust device and a reading device (3);
the shearing device is arranged above the shearing table (8), and the thrust device drives the shearing device to reciprocate on the shearing table (8);
an automatic balancing device is arranged below the shearing table (8) and is movably connected with the shearing device through the vertical loading device;
the shearing device drives the vertical loading device to deflect; meanwhile, the automatic balancing device keeps balance;
the reading device (3) is abutted with the shearing device; the reading device (3) displays the reading.
2. The auto-balanced geotechnical direct shear tester according to claim 1, wherein said vertical loading device includes a support frame (16), a force application frame (9), a balance bar (17);
the cross beam at one end of the supporting frame (16) is movably connected with the shearing table (8), and the center of the cross beam at the other end of the supporting frame is movably connected with the balancing rod (17);
the center of a cross beam at one end of the force application frame (9) is movably connected with the shearing device, and the center of a cross beam at the other end of the force application frame is fixedly connected with the balance rod (17);
and hooks (15) are arranged at two ends of the balance rod (17).
3. The auto-balancing geotechnical direct shear tester according to claim 1, wherein said auto-balancing means includes: a water supply tank (10), a valve (11), a water control valve (12), a vertical short rod (18), a drainage tube (13) and a water tank (14);
the water supply tank (10) is fixedly connected with the shearing table (8); a water tank mounting frame (19) is arranged on the balancing rod (17); the water tank (14) is movably connected with the water tank mounting frame (19);
the valve (11), the water control valve (12) and the drainage tube (13) are sequentially connected between the drainage tube (13) and the water supply tank (10).
4. An auto-balanced geotechnical direct shear tester as claimed in claim 2, characterized in that a vertical short bar (18) is provided on said balancing bar (17) to engage with the water control valve (12).
5. The automatic balancing geotechnical direct shear tester according to claim 1, wherein said reading device (3) and said thrust device are respectively disposed at two ends of said shear table (8);
the reading device (3) and the thrust device are abutted against the shearing device, and the reading device (3), the thrust device and the shearing device are positioned on the same axis.
6. The auto-balancing geotechnical direct shear tester according to claim 1, wherein said thrust unit is located on the same axis as the water tank.
7. The automatic balancing geotechnical direct shear tester according to claim 1, wherein said thrust device is composed of a thrust rod (1), a support base (2);
the thrust rod (1) penetrates through the supporting seat (2);
the thrust rod (1) is provided with an external thread, and the supporting seat (2) is provided with an internal thread; the external thread is matched with the internal thread.
CN202123168685.5U 2021-12-16 2021-12-16 Automatic balanced geotechnique direct shear test appearance Active CN217638460U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202123168685.5U CN217638460U (en) 2021-12-16 2021-12-16 Automatic balanced geotechnique direct shear test appearance

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202123168685.5U CN217638460U (en) 2021-12-16 2021-12-16 Automatic balanced geotechnique direct shear test appearance

Publications (1)

Publication Number Publication Date
CN217638460U true CN217638460U (en) 2022-10-21

Family

ID=83618115

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202123168685.5U Active CN217638460U (en) 2021-12-16 2021-12-16 Automatic balanced geotechnique direct shear test appearance

Country Status (1)

Country Link
CN (1) CN217638460U (en)

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