Engineering investigation sampling device

Abstract

The utility model relates to the technical field of sampling equipment, in particular to an engineering investigation sampling device. Comprising a vehicle body, a plurality of moving wheels, a fixing frame, a sampling assembly and two limiting assemblies, each limiting assembly comprises a force application plate, two fixing pins, two inclined blocks, a U-shaped frame, a guide rod, a threaded rod, two sleeves and two guide wheels, the force application plate is located above the vehicle body, and the two fixing pins are fixedly connected with the force application plate and movably penetrate through the vehicle body; the two inclined blocks are fixedly connected with the force application plate, the U-shaped frame is fixedly connected with the vehicle body, the two ends of the guide rod are fixedly connected with the U-shaped frame, the two ends of the threaded rod are rotationally connected with the U-shaped frame, each sleeve is in threaded fit with the threaded rod, and the two guide wheels are connected with the corresponding sleeves respectively. The vehicle body can be limited on the ground, sampling equipment is prevented from deviating on the ground, the accuracy of a sampling position is ensured, and the accuracy of a sampling result is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to sampling equipment technical field especially relates to an engineering investigation sampling device. BACKGROUND

[0002] The purpose of geotechnical engineering investigation is mainly to find out engineering geological conditions, analyze existing geological problems, make engineering geological evaluation on building areas, and is the basis for design and construction. Sampling device is often used in geotechnical engineering exploration. The existing sampling device is easy to cause different depth of soil into the sampling cavity when the drill rod is pulled out from the soil after sampling, so that the multi-depth soil is mixed together, and the soil sampling accuracy is reduced.

[0003] In the prior art patent CN217466306U discloses a kind of sampling device for geotechnical engineering investigation, including vehicle body, by setting drill rod, sealing plate and actuating mechanism;The drill rod is provided with sampling cavity;Sampling port is provided on the lateral wall of the drill rod, which is communicated inside and outside the sampling cavity;The sealing plate is movably arranged in the sampling cavity;The actuating mechanism is connected with the sealing plate, for driving the sealing plate to open or cover the sampling port, by the sealing of sealing plate to sampling port after sampling, solve the problem that different depth of soil enters sampling cavity when traditional drill rod is pulled out from soil, improve the accuracy of sampling.

[0004] But in the above prior art patent, the vehicle body moves on the ground by moving wheels, when encountering rugged uneven stratum, the vehicle body is easy to deviate on the ground, which leads to the deviation of sampling position from target area, and affects the accuracy of sampling result. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a kind of engineering investigation sampling device, to solve the technical problem that the vehicle body in prior art moves on the ground by moving wheels, when encountering rugged uneven stratum, the vehicle body is easy to deviate on the ground, which leads to the deviation of sampling position from target area, and affects the accuracy of sampling result.

[0006] To achieve the above-mentioned purpose, the utility model adopts a kind of engineering investigation sampling device, including vehicle body, multiple moving wheels, fixed frame, sampling assembly and two sets of limiting components, multiple moving wheels are connected with the vehicle body, and are located below the vehicle body, the fixed frame is fixedly connected with the vehicle body, and is located above the vehicle body, the sampling assembly is connected with the fixed frame, and is located on the fixed frame, two sets of limiting components are connected with the vehicle body, and are located above the vehicle body;

[0007] The limiting assembly comprises a force applying plate, two fixing pins, two inclined blocks, a U-shaped frame, a guide rod, a threaded rod, two sleeves and two guide wheels, the force applying plate is located above the vehicle body, the two fixing pins are fixedly connected with the force applying plate and movably penetrate through the vehicle body, the two inclined blocks are fixedly connected with the force applying plate and are located below the force applying plate, the U-shaped frame is fixedly connected with the vehicle body and is located above the vehicle body, the two ends of the guide rod are fixedly connected with the U-shaped frame, the two ends of the threaded rod are rotatably connected with the U-shaped frame, each sleeve is sleeved on the outside of the guide rod and the threaded rod and is in threaded connection with the threaded rod, and the two guide wheels are connected with the corresponding sleeves and are located below the corresponding inclined blocks.

[0008] The limiting assembly further comprises two contact plates, two telescopic rods and two buffer springs, the force applying plate has two connecting grooves, the two contact plates are located below the corresponding connecting grooves, the two ends of each telescopic rod are fixedly connected with the vehicle body and the corresponding contact plate, and the two ends of each buffer spring are fixedly connected with the vehicle body and the corresponding contact plate and are sleeved on the outside of the telescopic rod.

[0009] The telescopic rod comprises an inner rod and an outer cylinder, the outer cylinder is fixedly connected with the vehicle body and is located above the vehicle body, one end of the inner rod is in sliding connection with the outer cylinder, and the other end of the inner rod is fixedly connected with the contact plate.

[0010] The sampling assembly comprises a hydraulic rod, two slide rods, a connecting plate and a sampling drill rod, the hydraulic rod is fixedly connected with the fixing frame, the connecting plate is fixedly connected with the output end of the hydraulic rod, the two slide rods are fixedly connected with the connecting plate and movably penetrate through the fixing frame, and the sampling drill rod is rotatably arranged below the connecting plate.

[0011] The engineering investigation sampling device further comprises a counterweight, the counterweight is fixedly connected with the vehicle body and is located above the vehicle body.

[0012] The utility model discloses an engineering investigation sampling device, when sampling, the car body is moved to the sampling position, and then the staff presses or forces and presses two the force plate in proper order, the force plate will drive two the fixed pin to enter the ground, makes the car body fixed on the ground, then utilizes the sampling assembly on the fixed frame and carries out sampling, after finishing, the threaded rod is controlled and rotates in the U-shaped frame, because two sleeve all are with the threaded rod screw joint, the guide rod is the sleeve guide, immediately, two sleeve will move away in the U-shaped frame, the guide wheel on every sleeve can press the inclined block below the force plate respectively and rolls below the inclined block, and the inclined block force will drive the force plate and move up, immediately, the fixed pin will move outward from the ground, through above-mentioned mode, can limit the car body on the ground, prevents the sampling equipment and deviates on the ground, ensures the accuracy of sampling position, guarantees the accuracy of sampling result. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, below will to the drawing needed to use in the embodiment or prior art description simple introduction, obviously, below description's drawing only some embodiments of the utility model, for the ordinary skilled person in the art comes, under the premise of not paying creative labor, can also obtain other drawings according to these drawings.

[0014] Figure 1 It is the structure schematic diagram of the engineering investigation sampling device of the utility model.

[0015] Figure 2 It is the structure front view of the engineering investigation sampling device of the utility model.

[0016] Figure 3 It is the structure schematic diagram of the engineering investigation sampling device of the utility model under the fixed state.

[0017] Figure 4 It is the structure front view of the engineering investigation sampling device of the utility model under the fixed state.

[0018] Figure 5 It is the A place local structure of the utility model Figure 2 Enlarged view.

[0019] 101 - vehicle body, 102 - moving wheel, 103 - fixed frame, 104 - force plate, 105 - fixed pin, 106 - inclined block, 107 - U-shaped frame, 108 - guide rod, 109 - threaded rod, 110 - sleeve, 111 - connecting groove, 112 - guide wheel, 113 - contact plate, 114 - inner rod, 115 - outer cylinder, 116 - buffer spring, 117 - hydraulic rod, 118 - sliding rod, 119 - connecting plate, 120 - sampling drill rod, 121 - counterweight, 122 - first motor, 123 - second motor. DETAILED DESCRIPTION

[0020] The embodiments of the present application are described in detail below, examples of which are shown in the drawings, wherein the same or similar notations represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary and are intended to explain the present application, and cannot be understood as a limitation of the present application.

[0021] Please refer to Figures 1-5 The utility model provides a kind of engineering survey sampling device, including vehicle body 101, multiple moving wheels 102, fixed frame 103, sampling assembly and two groups of limiting components, multiple the moving wheels 102 are connected with the vehicle body 101, and are all located below the vehicle body 101, the fixed frame 103 with the fixed frame 103 with the vehicle body 101 fixed connection, and located above the vehicle body 101, the sampling assembly is connected with the fixed frame 103, and located on the fixed frame 103, two groups of the limiting components are connected with the vehicle body 101, and are all located above the vehicle body 101.

[0022] The limiting component includes force plate 104, two fixed pins 105, two inclined blocks 106, U-shaped frame 107, guide rod 108, threaded rod 109, two sleeves 110 and two guide wheels 112, the force plate 104 is located above the vehicle body 101, two the fixed pin 105 is fixedly connected with the force plate 104, and is all movably penetrated through the vehicle body 101, two the inclined block 106 is fixedly connected with the force plate 104, and is all located below the force plate 104, the U-shaped frame 107 is fixedly connected with the vehicle body 101, and located above the vehicle body 101, both ends of the guide rod 108 are fixedly connected with the U-shaped frame 107, both ends of the threaded rod 109 are rotatably connected with the U-shaped frame 107, each the sleeve 110 is sheathed on the outside of the guide rod 108 and the threaded rod 109, and is all threadedly matched with the threaded rod 109, two the guide wheel 112 is connected with corresponding sleeve 110 respectively, and located below corresponding inclined block 106.

[0023] In the embodiment, when sampling, the vehicle body 101 is moved to a sampling position, and then a worker steps on or presses the two force applying plates 104 in turn, which drives the two fixing pins 105 into the ground to fix the vehicle body 101 on the ground, and then the sampling assembly on the fixing frame 103 is used for sampling. After completion, the first motor 122 is used to control the threaded rod 109 to rotate in the U-shaped frame 107. Since the two sleeves 110 are in threaded connection with the threaded rod 109, and the guide rod 108 guides the sleeves 110, the two sleeves 110 will move away from each other in the U-shaped frame 107, and the guide wheels 112 on each sleeve 110 will press and roll below the inclined blocks 106, which will drive the force applying plates 104 to move upwards, and then the fixing pins 105 will move outwards from the ground. In the above manner, the vehicle body 101 can be limited on the ground to prevent the sampling equipment from deviating on the ground, ensuring the accuracy of the sampling position and the accuracy of the sampling result.

[0024] Further, the limiting assembly further comprises two contact plates 113, two telescopic rods and two buffer springs 116. The force applying plate 104 has two connecting grooves 111, and the two contact plates 113 are respectively located below the corresponding connecting grooves 111. The two ends of each telescopic rod are fixedly connected with the vehicle body 101 and the corresponding contact plate 113, and the two ends of each buffer spring 116 are fixedly connected with the vehicle body 101 and the corresponding contact plate 113 and are respectively sleeved on the outside of the telescopic rod. The telescopic rod comprises an inner rod 114 and an outer cylinder 115. The outer cylinder 115 is fixedly connected with the vehicle body 101 and located above the vehicle body 101. One end of the inner rod 114 is in sliding connection with the outer cylinder 115, and the other end of the inner rod 114 is fixedly connected with the contact plate 113.

[0025] In the embodiment, when the force applying plate 104 moves downwards, the contact plates 113 will first contact the force applying plate 104 and enter the connecting grooves 111 respectively, the inner rod 114 will be driven to enter the outer cylinder 115, and the buffer spring 116 will be compressed by the force applying plate 104. The elastic force of the buffer spring 116 can avoid the worker from stepping on the force applying plate 104 excessively, and the elastic force of the buffer spring 116 will make the worker feel resistance, reminding the worker that the force applying plate 104 has been moved to the position and can stop pressing the force applying plate 104.

[0026] Further, the sampling assembly comprises a hydraulic rod 117, two slide rods 118, a connecting plate 119 and a sampling drill rod 120, the hydraulic rod 117 is fixedly connected with the fixing frame 103, the connecting plate 119 is fixedly connected with the output end of the hydraulic rod 117, the two slide rods 118 are both fixedly connected with the connecting plate 119 and movably penetrate through the fixing frame 103, and the sampling drill rod 120 is rotationally arranged below the connecting plate 119.

[0027] In the embodiment, when sampling, the second motor 123 drives the sampling drill rod 120 to rotate, and drives the second motor 123 to move downward under the action of the hydraulic rod 117, so that the sampling drill rod 120 can be drilled into the soil to sample.

[0028] Further, the engineering investigation sampling device further comprises a counterweight 121, the counterweight 121 is fixedly connected with the vehicle body 101 and located above the vehicle body 101.

[0029] In the embodiment, by arranging the counterweight 121 above the vehicle body 101, the stability of the vehicle body 101 is increased by the counterweight 121, and the vehicle body 101 is prevented from tilting backward.

[0030] The above disclosed is only a preferred embodiment of the utility model, of course, cannot with this to limit the utility model right range, the person skilled in the art can understand that all or part of the processes of the above embodiment are implemented, and the equivalent changes made according to the utility model claim still belong to the range covered by the utility model.

Claims

1. An engineering investigation sampling device, comprising a vehicle body, a plurality of moving wheels, a fixing frame and a sampling assembly, the plurality of moving wheels are connected with the vehicle body and are located below the vehicle body, the fixing frame is fixedly connected with the vehicle body and is located above the vehicle body, and the sampling assembly is connected with the fixing frame and is located on the fixing frame, characterized in that it further comprises two sets of limiting assemblies, the two sets of limiting assemblies are connected with the vehicle body and are located above the vehicle body; the limiting assembly comprises a force applying plate, two fixed pins, two inclined blocks, a U-shaped frame, a guide rod, a threaded rod, two sleeves and two guide wheels, the force applying plate is located above the vehicle body, the two fixed pins are fixedly connected with the force applying plate and movably penetrate through the vehicle body, the two inclined blocks are fixedly connected with the force applying plate and are located below the force applying plate, the U-shaped frame is fixedly connected with the vehicle body and is located above the vehicle body, the two ends of the guide rod are fixedly connected with the U-shaped frame, the two ends of the threaded rod are rotatably connected with the U-shaped frame, each sleeve is sleeved on the outside of the guide rod and the threaded rod and is threadedly connected with the threaded rod, and the two guide wheels are connected with the corresponding sleeves and are located below the corresponding inclined blocks.

2. The engineering investigation sampling device according to claim 1, characterized in that the limiting assembly further comprises two contact plates, two telescopic rods and two buffer springs, the force applying plate has two connecting grooves, the two contact plates are located below the corresponding connecting grooves, the two ends of each telescopic rod are fixedly connected with the vehicle body and the corresponding contact plate, and the two ends of each buffer spring are fixedly connected with the vehicle body and the corresponding contact plate and are sleeved on the outside of the telescopic rod.

3. The engineering investigation sampling device according to claim 2, characterized in that the telescopic rod comprises an inner rod and an outer cylinder, the outer cylinder is fixedly connected with the vehicle body and is located above the vehicle body, one end of the inner rod is slidably connected with the outer cylinder, and the other end of the inner rod is fixedly connected with the contact plate.

4. The engineering investigation sampling device according to claim 3, characterized in that the sampling assembly comprises a hydraulic rod, two sliding rods, a connecting plate and a sampling drill rod, the hydraulic rod is fixedly connected with the fixing frame, the connecting plate is fixedly connected with the output end of the hydraulic rod, the two sliding rods are fixedly connected with the connecting plate and movably penetrate through the fixing frame, and the sampling drill rod is rotatably arranged below the connecting plate.

5. The engineering investigation sampling device according to claim 4, characterized in that it further comprises a counterweight, the counterweight is fixedly connected with the vehicle body and is located above the vehicle body. ​ ​ ​ ​ ​

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