CN211602720U - Novel rock-soil bearing capacity testing device - Google Patents
Novel rock-soil bearing capacity testing device Download PDFInfo
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- CN211602720U CN211602720U CN201921858281.9U CN201921858281U CN211602720U CN 211602720 U CN211602720 U CN 211602720U CN 201921858281 U CN201921858281 U CN 201921858281U CN 211602720 U CN211602720 U CN 211602720U
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Abstract
The utility model discloses a novel rock soil bearing capacity testing device, which comprises a frame, wherein a hydraulic cylinder is fixedly arranged on the frame, a pressure applying head is fixedly connected with a piston rod on the hydraulic cylinder, a base is fixedly arranged on the frame, a bearing disc is arranged on the base, clamping devices are arranged on two sides of the bearing disc, each clamping device comprises a vertical rod, a clamping plate is fixedly arranged on the vertical rod, a telescopic rod is fixedly arranged on the clamping plate, the vertical rod is driven by a driving device to perform linear motion on the base, the clamping device is arranged on a testing machine and is arranged on the driving device, a motor shaft drives a first screw rod pair and a second screw rod pair to move by starting a stepping motor, and the two clamping devices connected on the two screw rods move oppositely because the thread directions of the two screw rods are opposite, so that a clamping effect can be achieved, a rock soil sample is fixed during testing, the test precision is prevented from being influenced by the movement of the test piece.
Description
Technical Field
The utility model relates to a geological engineering technical field specifically is a novel rock-soil bearing capacity test device.
Background
The engineering construction in-process can not lack the experimental testing process to the ground layer, the experiment of ground divide into witnessed inspections and indoor detection, and the bearing capacity is an important sign of ground performance, the survey of bearing capacity generally adopts load test, this is witnessed inspections's basic test method, can audio-visually reflect the bearing performance of ground, it generally goes on through exerting pressure to the ground sample to detect, current testing arrangement does not possess fixing device, skew appears in the in-process ground of exerting pressure can lead to the inaccuracy that detects, simultaneously because the irregularity of ground sample, can bring the trouble for fixing, for this reason the utility model provides a novel rock soil bearing capacity testing arrangement is used for solving above-mentioned problem.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a novel rock soil bearing capacity test device to solve the problem of proposing among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a novel rock soil bearing capacity testing arrangement, includes the frame, fixed mounting has the pneumatic cylinder in the frame, and piston rod fixedly connected with on the pneumatic cylinder executes the pressure head, fixed mounting has the base in the frame, and is provided with on the base and bears the dish, it is provided with clamping device to bear the dish both sides, clamping device includes the pole setting, and fixed mounting has the grip block in the pole setting, fixed mounting has the telescopic link on the grip block, the pole setting is driven by drive arrangement and is carried out linear motion on the base.
Preferably, the telescopic link includes dead lever and movable rod, and the dead lever is hollow pole, and is provided with the spring in the hollow inslot of dead lever, movable rod sliding connection is in the dead lever, and movable rod bottom and spring fixed connection, and the movable rod top is provided with the cushion, the telescopic link is arranged on the grip block in an array.
Preferably, a cavity is formed in the base, a driving device is arranged in the cavity, the driving device comprises a stepping motor, a first screw rod pair and a second screw rod pair, a motor shaft of the stepping motor is fixedly connected with a screw rod of the first screw rod pair through a coupler, screw rods of the first screw rod pair and the second screw rod pair are coaxially welded, and the screw rod of the first screw rod pair and the screw rod of the second screw rod pair are opposite in thread direction.
Preferably, be provided with two spouts about bearing the symmetry of dish on the base, and the pole setting passes through the spout and stretches into in the cavity, two pole settings respectively with the screw-nut fixed connection of first lead screw pair, the second lead screw pair, the pole setting is L type structure, and the welding has oblique reinforcement beam on it.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the testing machine is provided with the clamping device, the clamping device is arranged on the driving device, the motor shaft drives the first screw rod pair and the second screw rod pair to move by starting the stepping motor, and the two clamping devices connected with the two screw rods move oppositely due to opposite thread directions of the two screw rods, so that a clamping effect can be realized, a rock soil sample is fixed during testing, and the testing precision is prevented from being influenced by movement of the rock soil sample;
2. the main part of clamping device is the grip block, and fixed mounting has a plurality of telescopic links on it, and when carrying out the centre gripping, the telescopic link can be according to the length of ground shape adjustment self, can cut apart into a plurality of parts with the packing force, presss from both sides tightly respectively to the anomalous part in ground sample surface, and the effectual ground sample of avoiding takes place to remove to the cushion on the telescopic link can protect ground sample surface, avoids the clamp force to influence the measuring accuracy.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic structural view of the clamping device of the present invention.
In the figure: the device comprises a frame 1, a hydraulic cylinder 2, a pressure applying head 3, a base 4, a cavity 5, a stepping motor 6, a first screw rod pair 7, a second screw rod pair 8, a vertical rod 9, a clamping plate 10, an expansion rod 11, a fixed rod 111, a spring 112, a movable rod 113, an elastic pad 114 and a bearing disc 12.
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.
Referring to fig. 1 to 2, the present invention provides a technical solution: the utility model provides a novel rock soil bearing capacity testing arrangement, includes frame 1, fixed mounting has pneumatic cylinder 2 in the frame 1, and the piston rod fixedly connected with on the pneumatic cylinder 2 pressure head 3 of exerting, and pneumatic cylinder 2 is single piston rod pneumatic cylinder, and piston promotion pressure head 3 on it carries out the load to bearing the ground sample on the dish 12 and applys, fixed mounting has base 4 in the frame 1, and is provided with on the base 4 and bears dish 12, it is provided with clamping device to bear dish 12 both sides, clamping device includes pole setting 9, and fixed mounting has grip block 10 in the pole setting 9, fixed mounting has telescopic link 11 on the grip block 10, pole setting 9 is by drive arrangement drive linear motion on base 4.
The telescopic rod 11 comprises a fixed rod 111 and a movable rod 113, the fixed rod 111 is a hollow rod, a spring 112 is arranged in a hollow groove of the fixed rod 111, the movable rod 113 is connected in the fixed rod 111 in a sliding mode, the bottom of the movable rod 113 is fixedly connected with the spring 112, an elastic pad 114 is arranged at the top of the movable rod 113, the telescopic rods 11 are arranged on the clamping plates 10 in an array mode, the clamping plates 10 on two sides move towards the middle to clamp a rock-soil sample through a driving device, the telescopic rod 11 can adjust the length of the telescopic rod according to the shape of the rock-soil, pressing force can be divided into a plurality of parts, irregular parts of the surface of the rock-soil sample are respectively clamped, the rock-soil sample is effectively prevented from moving, the surface of the rock-soil sample can be protected through the elastic pad 114, and;
a cavity 5 is arranged in the base 4, a driving device is arranged in the cavity 5, the driving device comprises a stepping motor 6, a first screw rod pair 7 and a second screw rod pair 8, a motor shaft of the stepping motor 6 is fixedly connected with a screw rod of the first screw rod pair 7 through a coupler, the model of the stepping motor 6 is WAB090, screw rods of the first screw rod pair 7 and the second screw rod pair 8 are coaxially welded, and the screw thread directions of the screw rod of the first screw rod pair 7 and the screw rod of the second screw rod pair 8 are opposite, the clamping devices are arranged on the two sides of the bearing disc 12 in a mirror image manner, the rock and soil samples are placed on the bearing disc 12 by the opposite movement driven by the driving device, the clamping device moves to the central position by the driving of the stepping motor 6, the rock and soil samples can be fixed, after the experiment is finished, the clamping devices on the two sides are separated under the driving of the stepping motor, and the rock and soil sample can be taken out;
the base 4 is provided with two sliding grooves which are symmetrical about the bearing plate 12, the upright rods 9 extend into the cavity 5 through the sliding grooves, the two upright rods 9 are respectively and fixedly connected with screw nuts of the first screw rod pair 7 and the second screw rod pair 8, the screw rods 9 play a role in transmission, the upright rods 9 are of an L-shaped structure, and oblique reinforcing beams are welded on the upright rods 9, so that the strength of the upright rods 9 is ensured, and the force applied by the clamping plate 10 is more balanced;
the working principle is as follows: when the device is used, a rock-soil sample is placed in the middle of the bearing disc, the stepping motor is started, the motor shaft drives the first screw rod pair and the second screw rod pair to move, the thread directions of the two screw rods are opposite, the two vertical rods connected to the screw rods move towards the bearing disc, the clamping plate connected to the vertical rods moves along with the screw rods, the length of the clamping plate can be adjusted by the telescopic rods arranged on the clamping plate according to the shape of the rock-soil, the pressing force is divided into a plurality of parts, the parts with irregular surfaces of the rock-soil sample are respectively clamped, the rock-soil sample is effectively prevented from moving, the hydraulic cylinder is started, the piston pushes the pressing head to press downwards, the bearing capacity of the rock-soil sample is tested, the stepping motor is started after the test is completed, the clamping device is opened, and.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a novel rock-soil bearing capacity test device, includes frame (1), its characterized in that: fixed mounting has pneumatic cylinder (2) in frame (1), and piston rod fixedly connected with on pneumatic cylinder (2) executes pressure head (3), fixed mounting has base (4) in frame (1), and is provided with on base (4) and bears dish (12), bear dish (12) both sides and be provided with clamping device, clamping device includes pole setting (9), and fixed mounting has grip block (10) in pole setting (9), fixed mounting has telescopic link (11) on grip block (10), pole setting (9) are by drive arrangement drive linear motion on base (4).
2. The novel rock-soil bearing capacity testing device of claim 1, characterized in that: the telescopic rod (11) comprises a fixed rod (111) and a movable rod (113), the fixed rod (111) is a hollow rod, a spring (112) is arranged in a hollow groove of the fixed rod (111), the movable rod (113) is connected in the fixed rod (111) in a sliding mode, the bottom of the movable rod (113) is fixedly connected with the spring (112), an elastic pad (114) is arranged at the top of the movable rod (113), and the telescopic rod (11) is arranged on the clamping plate (10) in an array mode.
3. The novel rock-soil bearing capacity testing device of claim 1, characterized in that: the novel lead screw driving device is characterized in that a cavity (5) is formed in the base (4), a driving device is arranged in the cavity (5), the driving device comprises a stepping motor (6), a first lead screw pair (7) and a second lead screw pair (8), a motor shaft of the stepping motor (6) is fixedly connected with a lead screw of the first lead screw pair (7) through a coupler, lead screws of the first lead screw pair (7) and the second lead screw pair (8) are coaxially welded, and the lead screws of the first lead screw pair (7) are opposite to the lead screw thread of the second lead screw pair (8).
4. The novel rock-soil bearing capacity testing device of claim 1, characterized in that: the base (4) is provided with two symmetrical chutes about the bearing disc (12), the vertical rods (9) extend into the cavity (5) through the chutes, the two vertical rods (9) are fixedly connected with the screw rod nuts of the first screw rod pair (7) and the second screw rod pair (8) respectively, the vertical rods (9) are of an L-shaped structure, and the inclined reinforcing beam is welded on the vertical rods.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921858281.9U CN211602720U (en) | 2019-10-31 | 2019-10-31 | Novel rock-soil bearing capacity testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921858281.9U CN211602720U (en) | 2019-10-31 | 2019-10-31 | Novel rock-soil bearing capacity testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211602720U true CN211602720U (en) | 2020-09-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921858281.9U Expired - Fee Related CN211602720U (en) | 2019-10-31 | 2019-10-31 | Novel rock-soil bearing capacity testing device |
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| CN (1) | CN211602720U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113029653A (en) * | 2021-03-16 | 2021-06-25 | 西安石油大学 | Sampling device suitable for research of ancient geomagnetism of marine sedimentary rock |
| CN113064111A (en) * | 2021-03-23 | 2021-07-02 | 广东电网有限责任公司计量中心 | Intelligent electric energy meter push-pull force testing device |
| CN113310817A (en) * | 2021-05-28 | 2021-08-27 | 山西大华标建设工程有限公司 | Strength detection device for concrete dam construction |
-
2019
- 2019-10-31 CN CN201921858281.9U patent/CN211602720U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113029653A (en) * | 2021-03-16 | 2021-06-25 | 西安石油大学 | Sampling device suitable for research of ancient geomagnetism of marine sedimentary rock |
| CN113064111A (en) * | 2021-03-23 | 2021-07-02 | 广东电网有限责任公司计量中心 | Intelligent electric energy meter push-pull force testing device |
| CN113064111B (en) * | 2021-03-23 | 2022-07-15 | 广东电网有限责任公司计量中心 | Intelligent electric energy meter push-pull force testing device |
| CN113310817A (en) * | 2021-05-28 | 2021-08-27 | 山西大华标建设工程有限公司 | Strength detection device for concrete dam construction |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200929 Termination date: 20211031 |
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| CF01 | Termination of patent right due to non-payment of annual fee |