Sampling device for traffic road engineering detection

Abstract

The utility model belongs to the technical field of sampling devices, and particularly relates to a sampling device for traffic road engineering detection, which comprises a base, a second motor is arranged at the top end of a movable plate, a sub-rotating shaft of the second motor penetrates through the movable plate and is rotatably connected with the movable plate, and the sub-rotating shaft of the second motor is connected with a connecting seat. A clamping assembly is arranged in the second movable cavity, the clamping assembly is connected with arc-shaped connecting plates, the arc-shaped connecting plates are oppositely arranged, arc-shaped embedding plates are arranged on the inner sides of the arc-shaped connecting plates, the arc-shaped embedding plates are connected with a fixing base, a sampling barrel is arranged at the bottom end of the fixing base, and the outer side of the bottom end of the sampling barrel is in threaded connection with a rotating cover. The problem that the sampling component needs to be judged by observing the depth of a sampling barrel extending into a road in real time during sampling due to the fact that the internal capacity of the sampling barrel of an existing sampling device is not changed and accurate sampling cannot be performed according to the component required by a sample is solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of sampling devices, and in particular relates to a sampling device for traffic road engineering detection. Background Art

[0002] With the development of science and technology, a large number of traffic roads need to be built. During use, the structure will deform under load, and the internal stress of the components will further develop. After years of use, in order to ensure safe production or to understand the safety and reliability of the structure, it is often necessary to conduct deformation and stress detection on the structural components in use. Therefore, it is necessary to drill holes in the ground through sampling devices.

[0003] When the sampling device is in use, the sampling tube is inserted into the road so that the sample is embedded in the sampling tube. The sampling tube set in the existing sampling device cannot be disassembled and the internal capacity is fixed. It cannot accurately sample according to the required amount of the sample. As a result, when sampling, it is necessary to observe the depth of the sampling tube inserted into the road in real time to judge the sampling amount. Utility Model Content

[0004] In response to the above problems, the purpose of the present utility model is to provide a sampling device for traffic road engineering inspection, which solves the problem that the internal capacity of the sampling cylinder of the existing sampling device is unchanged and cannot accurately sample according to the required sample quantity, resulting in the need to observe the depth of the sampling cylinder inserted into the road in real time to judge the sampling quantity during sampling.

[0005] In order to achieve the above purpose, the technical solution adopted by the present invention is as follows: a sampling device for traffic road engineering detection, comprising a base and a movable cavity 2, a U-shaped mounting frame is installed at the top of the base, and a slide groove is opened at the center of the inner wall of both sides of the U-shaped mounting frame, a screw rod is rotatably installed inside the slide groove, one end of the screw rod is connected to the adjustment component, the adjustment component is installed in the movable cavity 1, the movable cavity 1 is opened inside the top of the U-shaped mounting frame, the screw rod passes through the sliding block and is threadedly connected to it, and the sliding block is engaged with the sliding Installed in the slide groove, the sliding block is installed at the center of both sides of the movable plate, the top of the movable plate is provided with motor 2, and the sub-rotating shaft of motor 2 passes through the movable plate and is rotatably connected to it, the sub-rotating shaft of motor 2 is connected to the connecting seat, and a clamping assembly is installed in the movable cavity 2, the clamping assembly is connected to the arc-shaped connecting plate, and the arc-shaped connecting plates are relatively installed, and arc-shaped mosaic plates are installed on the inner sides of the arc-shaped connecting plates, the arc-shaped mosaic plates are connected to the fixed seat, and a sampling cylinder is installed at the bottom end of the fixed seat, and the outer side of the bottom end of the sampling cylinder is threadedly connected to the rotating cover.

[0006] The beneficial effects of the utility model are:

[0007] The staff selects a sampling cylinder of appropriate capacity, and then connects the jack opened on the top of the connecting seat installed on the top of the sampling cylinder to the positioning rod. The positioning rod can limit the position of the fixed seat, and then starts the forward and reverse motor through the controller. At this time, the bevel gear 1 rotates and the bevel gear 2 engaged with it on both sides will drive the screw 2 to rotate at the same time. The rotating screw 2 makes the slide cylinder slide relatively, and the relatively sliding slide cylinder drives the arc-shaped connecting plate to move relatively, and the arc-shaped interlocking plate provided on the inner side of the moving arc-shaped connecting plate can be engaged into the arc-shaped interlocking groove, thereby clamping and fixing the fixed seat, completing the installation of the sampling cylinder under the movable plate. Similarly, the reverse operation can be used to quickly remove the sampling cylinder, and the rotating cover is rotated to connect the bottom end of the sampling cylinder to complete the sampling.

[0008] To extend the sampling tube into the road:

[0009] As a further improvement of the above technical solution: the adjustment component consists of a motor, a driving wheel, and a driven wheel. A motor is installed on one side of the top of the U-shaped mounting frame. The sub-rotating shaft of the motor passes through the top of the movable chamber and is rotatably connected to it, and the sub-rotating shaft of the motor is connected to the driving wheel, and the driving wheel is installed in the movable chamber. The bottom end of the driving wheel is connected to the top of one of the screw rods. The outer side of the driving wheel is sleeved with a transmission belt, and the inner side of one end of the transmission belt is sleeved on the outer side of the driven wheel and is transmission-connected to it. The top of the driven wheel is rotatably connected to the top of the movable chamber, and the bottom end of the driven wheel is connected to the top of the other screw rod.

[0010] The beneficial effect of this improvement is: during the use of this device, the controller can be used to start the motor 1 to rotate the driving wheel, and the rotating driving wheel transmits the power to the driven wheel through the transmission belt. At this time, the two screws 1 will rotate in the slide groove at the same time, and the rotating screw 1 allows the sliding block to slide in the slide groove, thereby driving the movable plate to move up and down, and the downward movement of the movable plate can allow the sampling tube to extend into the road to start sampling the road.

[0011] In order to select the appropriate capacity of the sampling tube:

[0012] As a further improvement of the above technical solution: the sampling cylinder is provided with several different capacities.

[0013] The beneficial effect of this improvement is that the staff can select the appropriate capacity of the sampling tube according to the amount of sample to be tested.

[0014] To install a sampling cartridge of the appropriate capacity:

[0015] As a further improvement of the above technical solution: the clamping assembly consists of a second movable cavity, a slide cylinder, a second screw, an arc-shaped connecting plate, an arc-shaped interlocking plate, a first bevel gear, and a second bevel gear. The interior of the connecting seat is provided with a second movable cavity, and a forward and reverse motor is installed at the center of the bottom end of the second movable cavity. A first bevel gear is installed at the sub-rotating shaft of the forward and reverse motor. The top end of the first bevel gear is rotated to connect the bottom end of the limit block. The limit block is fixedly installed at the top end of the second movable cavity. Both sides of the first bevel gear are meshed and connected with the second bevel gear, and the opposite ends of the second bevel gear are respectively rotated to connect the two sides of the limit block. The conical The other end of gear 2 is provided with a screw 2, and the threads on the outer sides of the screw 2 installed on both sides are set in opposite directions. The screw 2 passes through the interior of one end of the slide cylinder and is threadedly connected to it, and the slide cylinder is slidably connected to the movable chamber 2, and the other end of the slide cylinder passes through the two sides of the connecting seat respectively and is slidably connected to it, and the other end of the slide cylinder is connected to the arc-shaped connecting plate, and the bottom end of the connecting seat is provided with a positioning rod at the opposite position, and the positioning rod is connected to the socket, and the socket is opened on both sides of the top of the fixed seat. The slide cylinder can only slide due to the limitation of the connecting seat, and the arc-shaped mosaic plate is mosaic-connected to the arc-shaped mosaic groove, and the arc-shaped mosaic groove is opened at both ends of the outer side of the fixed seat.

[0016] The beneficial effect of this improvement is that after the staff has selected the sampling cylinder of suitable capacity, the jack opened on the top of the connecting seat installed on the top of the sampling cylinder can be connected to the positioning rod. The positioning rod can limit the position of the fixed seat, and then the forward and reverse motors are started by the controller. At this time, the bevel gear 1 rotates and the bevel gear 2 engaged with it on both sides will drive the screw 2 to rotate at the same time. The rotating screw 2 makes the slide cylinder slide relatively, and the relatively sliding slide cylinder drives the arc connecting plate to move relatively, and the arc-shaped interlocking plate provided on the inner side of the moving arc connecting plate can be interlocked into the arc-shaped interlocking groove, thereby clamping and fixing the fixed seat, completing the installation of the sampling cylinder under the movable plate. Similarly, the reverse operation can be used to quickly remove the sampling cylinder, and the rotating cover can be rotated to connect the bottom end of the sampling cylinder to complete the sampling.

[0017] To block the flying stones:

[0018] As a further improvement of the above technical solution: a splash-proof groove is provided at the bottom end of the base, and a sliding hole is provided at the center of the top end of the splash-proof groove, and a sliding connection sampling tube passes through the sliding hole, grooves are provided at the four corners of the bottom end of the base, and an electric telescopic rod is installed in the groove, one end of the electric telescopic rod is connected to a universal wheel, and the bottom end of the sampling tube is set to be toothed.

[0019] The beneficial effect of this improvement is that when using this device, the electric telescopic rod can be started by the controller to make the universal wheel extend from the groove, and the device can be moved by rotating the universal wheel, and when it reaches the designated position to start sampling, the sampling barrel moves downward and extends into the sliding hole. At this time, the second motor is started to make the connecting seat drive the sampling barrel under the fixed seat to rotate at high speed. The teeth at the bottom end of the sampling barrel can make the sampling barrel extend into the road, and when the bottom end of the sampling barrel contacts the road, the high-speed rotation causes the surrounding stones to splash, and the provided splash-proof groove can block the splashing stones.

[0020] To quickly access samples:

[0021] As a further improvement of the above technical solution: a storage box is installed on the top of the base, and a plurality of storage slots are opened on the top of the storage box, and sampling tubes of different capacities are placed in the storage slots, and a placement slot is opened on the top of the fixed seat.

[0022] The beneficial effect of this improvement is that when the rotating cover is connected to the bottom end of the sampling tube, the staff can place the label in the placement slot, and the label records the time and place, so as to facilitate the quick retrieval of samples during testing, and the storage box provided can also enable the device to sample multiple different locations on the road.

[0023] In order to uniformly control this device:

[0024] As a further improvement of the above technical solution: a controller is installed on one side of the base, and a single-chip microcomputer, a relay, and a control switch are installed in the controller, and the controller is electrically connected to the forward and reverse motor, the electric telescopic rod, motor one, and motor two.

[0025] The beneficial effect of this improvement is: unified control of the device.

[0026] The parts not involved in the device are the same as those in the prior art or can be implemented by using the prior art. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a schematic diagram of the cross-sectional structure of the utility model;

[0028] Figure 2 This is a schematic diagram of the structure below the base of the utility model;

[0029] Figure 3 This is a schematic diagram of the cross-sectional structure of the connecting seat of the utility model from a top view;

[0030] Figure 4 This is a schematic diagram of the sampling tube structure of the present utility model;

[0031] Figure 5 This is a schematic diagram of the positioning rod structure of the utility model;

[0032] Figure 6 This is a schematic diagram of the bottom structure of the sampling tube of the present utility model;

[0033] In the figure: 1. Base; 2. U-shaped mounting frame; 3. Motor 1; 4. Movable cavity 1; 5. Slide; 6. Driving wheel; 7. Driven wheel; 8. Movable plate; 9. Motor 2; 10. Screw 1; 11. Splashproof groove; 12. Storage box; 13. Sampling tube; 14. Fixed seat; 15. Rotating cover; 16. Connecting seat; 17. Groove; 18. Movable cavity 2; 19. Slide; 20. Screw 2; 21. Arc connecting plate; 22. Arc interlocking plate; 23. Bevel gear 1; 24. Bevel gear 2; 25. Arc interlocking groove; 26. Socket; 27. Placement groove; 28. Positioning rod. DETAILED DESCRIPTION

[0034] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention is described in detail below with reference to the accompanying drawings. The description in this part is only exemplary and explanatory and should not have any limiting effect on the scope of protection of the present invention.

[0035] like Figure 1-6 As shown, a sampling device for traffic road engineering detection includes a base 1 and an active cavity 18. A U-shaped mounting frame 2 is installed on the top of the base 1, and a slide groove 5 is opened at the center of the inner wall of both sides of the U-shaped mounting frame 2. A screw rod 10 is rotatably installed inside the slide groove 5. One end of the screw rod 10 is connected to the adjustment component, and the adjustment component is installed in the active cavity 4. The active cavity 4 is opened inside the top of the U-shaped mounting frame 2. The screw rod 10 passes through the sliding block and is threadedly connected to it, and the sliding block is embedded and slidably installed in the slide groove 5. The sliding block is installed in At the centers of both sides of the movable plate 8, a motor 2 9 is installed at the top of the movable plate 8, and the sub-rotating shaft of the motor 2 9 passes through the movable plate 8 and is rotatably connected thereto, and the sub-rotating shaft of the motor 2 9 is connected to the connecting seat 16, and a clamping assembly is installed in the movable cavity 2 18, and the clamping assembly is connected to the arc-shaped connecting plate 21, and the arc-shaped connecting plates 21 are relatively arranged, and arc-shaped interlocking plates 22 are installed on the inner sides of the arc-shaped connecting plates 21, and the arc-shaped interlocking plates 22 are connected to the fixed seat 14, and a sampling barrel 13 is installed at the bottom end of the fixed seat 14, and the bottom end of the sampling barrel 13 is threadedly connected to the rotating cover 15 on the outer side.

[0036] The adjustment component consists of a motor 3, a driving wheel 6, and a driven wheel 7. A motor 3 is installed on one side of the top of the U-shaped mounting frame 2. The sub-rotating shaft of the motor 3 passes through the top of the active cavity 4 and is rotatably connected thereto, and the sub-rotating shaft of the motor 3 is connected to the driving wheel 6, and the driving wheel 6 is installed in the active cavity 4. The bottom end of the driving wheel 6 is connected to the top of one of the screw rods 10. A transmission belt is installed on the outer side of the driving wheel 6, and the inner side of one end of the transmission belt is sleeved on the outer side of the driven wheel 7 and is transmission-connected thereto. The top rotation of the driven wheel 7 The top of the movable chamber 4 is dynamically connected, and the bottom end of the driven wheel 7 is connected to the top of another screw 10; during the use of this device, the controller can be used to start the motor 3 to rotate the driving wheel 6, and the rotating driving wheel 6 is transmitted to the driven wheel 7 through the transmission belt. At this time, the two screws 10 will rotate in the chute 5 at the same time, and the rotating screw 10 allows the sliding block to slide in the chute 5, thereby driving the movable plate 8 to move up and down, and the movable plate 8 moves downward to allow the sampling tube 13 to extend into the road to start sampling the road.

[0037] The sampling cylinder 13 is provided with several different capacities; the staff can select the sampling cylinder 13 with the appropriate capacity according to the amount of sample to be tested.

[0038] The clamping assembly consists of a movable cavity 2 18, a slide 19, a screw 20, an arc-shaped connecting plate 21, an arc-shaped interlocking plate 22, a bevel gear 1 23, and a bevel gear 2 24. The interior of the connecting seat 16 is provided with a movable cavity 2 18, and a forward and reverse motor is installed at the center of the bottom end of the movable cavity 2 18. A bevel gear 1 23 is installed at the sub-rotating shaft of the forward and reverse motor. The top end of the bevel gear 1 23 is rotated to connect the bottom end of the limit block, and the limit block is fixedly installed at the top end of the movable cavity 2 18. Both sides of the bevel gear 1 23 are meshed and connected with bevel gear 2 24. , and the opposite ends of the bevel gear 24 are respectively rotated to connect the two sides of the limit block, and the other end of the bevel gear 24 is provided with a screw 20, and the screw 20 installed on both sides has the opposite direction of the thread setting on the outer side, the screw 20 passes through the interior of one end of the slide 19 and is threadedly connected thereto, and the slide 19 is slidably connected to the movable cavity 2 18, and the other end of the slide 19 passes through the two sides of the connecting seat 16 and is slidably connected thereto, and the other end of the slide 19 is connected to the arc-shaped connecting plate 21, and the bottom end of the connecting seat 16 is respectively provided with a positioning rod 28, and the positioning rod 28 is connected The connecting holes 26 are provided on both sides of the top of the fixing seat 14. The slide 19 can only slide due to the limit of the connecting seat 16. The arcuate fitting plate 22 is fitted into the arcuate fitting groove 25, and the arcuate fitting groove 25 is provided at both ends of the outer side of the fixing seat 14. After the staff has selected the appropriate capacity sampling cylinder 13, the connecting seat 16 installed at the top of the sampling cylinder 13 can be connected to the jack 26 provided above it and connected to the positioning rod 28. The positioning rod 28 can limit the position of the fixing seat 14, and then the forward and reverse motors are started by the controller. At this time, the bevel gear 23 Rotating the bevel gear 24 meshing with it on both sides will drive the screw 20 to rotate at the same time. The rotating screw 20 makes the slide 19 slide relatively. The relatively sliding slide 19 drives the arc-shaped connecting plate 21 to move relatively, and the arc-shaped interlocking plate 22 provided on the inner side of the moving arc-shaped connecting plate 21 can be interlocked into the arc-shaped interlocking groove 25, thereby clamping and fixing the fixed seat 14, completing the installation of the sampling barrel 13 under the movable plate 8. Similarly, the reverse operation can be performed to quickly remove the sampling barrel 13, and the rotating cover 15 is rotated to connect the bottom end of the sampling barrel 13 to complete the sampling.

[0039] The bottom end of the base 1 is provided with a splash-proof groove 11, and a sliding hole is provided at the top center of the splash-proof groove 11, and a sliding connection sampling tube 13 is passed through the sliding hole. The four corners of the bottom end of the base 1 are provided with grooves 17, and an electric telescopic rod is installed in the groove 17, one end of the electric telescopic rod is connected to a universal wheel, and the bottom end of the sampling tube 13 is set to a tooth shape; when using the device, the electric telescopic rod can be started by the controller to make the universal wheel extend from the groove 17, and the device can be moved by rotating the universal wheel, and when it reaches the designated position to start sampling, the sampling tube 13 moves downward and extends into the sliding hole, at this time, the motor 2 9 is started to make the connecting seat 16 drive the sampling tube 13 under the fixed seat 14 to rotate at a high speed, and the teeth at the bottom end of the sampling tube 13 can make the sampling tube 13 extend into the road, and when the bottom end of the sampling tube 13 contacts the road, the high-speed rotation causes the surrounding stones to splash, and the splash-proof groove 11 provided can block the splashing stones.

[0040] A storage box 12 is installed at the top of the base 1, and a plurality of storage slots are opened at the top of the storage box 12, and sampling tubes 13 of different capacities are placed in the storage slots. A placement slot 27 is opened at the top of the fixed base 14; when the rotating cover 15 is connected to the bottom end of the sampling tube 13, the staff can place a label in the placement slot 27, and the label records the time and place, so as to facilitate the quick retrieval of samples during testing, and the setting of the storage box 12 also enables the device to sample multiple different locations on the road.

[0041] A controller is installed on one side of the base 1, and a single chip microcomputer, a relay, and a control switch are installed in the controller. The controller is electrically connected to the forward and reverse motor, the electric telescopic rod, the motor 1 3, and the motor 2 9.

[0042] The working principle and use process of the present invention are as follows: when using the device, the staff selects a sampling tube 13 of appropriate capacity, connects the jack 26 opened on the top of the connecting seat 16 installed at the top of the sampling tube 13 to the positioning rod 28, and the positioning rod 28 can limit the position of the fixing seat 14, and then starts the forward and reverse motor through the controller. At this time, the bevel gear 1 23 rotates the bevel gear 2 24 meshing with it on both sides, which will simultaneously drive the screw 2 20 to rotate. The rotating screw 20 makes the slide 19 slide relatively, and the relatively sliding slide 19 The arc-shaped connecting plate 21 is driven to move relative to each other, and the arc-shaped interlocking plate 22 provided on the inner side of the movable arc-shaped connecting plate 21 can be interlocked into the arc-shaped interlocking groove 25, thereby clamping and fixing the fixing seat 14, completing the installation of the sampling tube 13 under the movable plate 8. Similarly, the reverse operation can be used to quickly remove the sampling tube 13, and the rotating cover 15 is rotated to connect the bottom end of the sampling tube 13 to complete the sampling. The electric telescopic rod is activated by the controller to make the universal wheel extend from the groove 17, and the device can be moved by rotating the universal wheel, and it starts to enter the designated position when it reaches the designated position. When sampling, the controller starts the motor 13 to rotate the driving wheel 6, and the rotating driving wheel 6 is driven by the driven wheel 7 through the transmission belt. At this time, the two screws 10 will rotate in the chute 5 at the same time. The rotating screw 10 allows the sliding block to slide in the chute 5, thereby driving the movable plate 8 to move up and down, and the movable plate 8 moves downward to allow the sampling barrel 13 to extend into the road, and start sampling the road. The sampling barrel 13 moves downward and extends into the sliding hole. At this time, the motor 2 9 is started to cause the connecting seat 16 to drive the lower part of the fixed seat 14 The sampling barrel 13 rotates at a high speed, and the teeth at the bottom end of the sampling barrel 13 allow the sampling barrel 13 to extend into the road. When the bottom end of the sampling barrel 13 contacts the road, the high-speed rotation causes the surrounding stones to splash, and the anti-splash groove 11 provided can block the splashing stones. When the rotating cover 15 is connected to the bottom end of the sampling barrel 13, the staff can place the label in the placement groove 27, and the label records the time and place, so as to facilitate the quick retrieval of samples during testing, and the provided storage box 12 also allows the device to sample multiple different locations on the road.

Claims

1. A sampling device for traffic road engineering detection, characterized by: The invention comprises a base (1) and a movable cavity (18). A U-shaped mounting frame (2) is installed at the top of the base (1), and a slide groove (5) is provided at the center of the inner wall of both sides of the U-shaped mounting frame (2). A screw rod (10) is rotatably installed inside the slide groove (5), and one end of the screw rod (10) is connected to an adjustment component, and the adjustment component is installed in the movable cavity (4). The movable cavity (4) is opened inside the top of the U-shaped mounting frame (2). The screw rod (10) passes through the sliding block and is threadedly connected thereto, and the sliding block is embedded and slidably installed in the slide groove (5). The sliding block is installed at the center of both sides of the movable plate (8). The top of the movable plate (8) is provided with a second motor (9), and the sub-rotating shaft of the second motor (9) passes through the movable plate (8) and is rotatably connected thereto, the sub-rotating shaft of the second motor (9) is connected to the connecting seat (16), and a clamping assembly is provided in the second movable chamber (18), and the clamping assembly is connected to the arc-shaped connecting plate (21), and the arc-shaped connecting plates (21) are relatively arranged, and arc-shaped interlocking plates (22) are provided on the inner sides of the arc-shaped connecting plates (21), and the arc-shaped interlocking plates (22) are connected to the fixed seat (14), and a sampling tube (13) is provided at the bottom end of the fixed seat (14), and the outer side of the bottom end of the sampling tube (13) is threadedly connected to the rotating cover (15).

2. A sampling device for traffic road engineering inspection according to claim 1, characterized in that: The adjustment component is composed of a motor (3), a driving wheel (6), and a driven wheel (7). A motor (3) is installed on one side of the top of the U-shaped mounting frame (2). The sub-rotating shaft of the motor (3) passes through the top of the active cavity (4) and is rotatably connected thereto, and the sub-rotating shaft of the motor (3) is connected to the driving wheel (6), and the driving wheel (6) is installed in the active cavity (4). The bottom end of the driving wheel (6) is connected to the top of one of the screw rods (10). The outer side of the driving wheel (6) is sleeved with a transmission belt, and the inner side of one end of the transmission belt is sleeved on the outer side of the driven wheel (7) and is transmission-connected thereto. The top of the driven wheel (7) is rotationally connected to the top of the active cavity (4), and the bottom end of the driven wheel (7) is connected to the top of another screw rod (10).

3. The sampling device for traffic road engineering inspection according to claim 1, characterized in that: The sampling cylinder (13) is provided with several different capacities.

4. A sampling device for traffic road engineering inspection according to claim 1, characterized in that: The clamping assembly is composed of a movable cavity 2 (18), a slide cylinder (19), a screw 2 (20), an arc-shaped connecting plate (21), an arc-shaped interlocking plate (22), a bevel gear 1 (23), and a bevel gear 2 (24). The interior of the connecting seat (16) is provided with a movable cavity 2 (18), and a forward and reverse motor is installed at the center of the bottom end of the movable cavity 2 (18). A bevel gear 1 (23) is installed at the sub-rotating shaft of the forward and reverse motor. The top end of the bevel gear 1 (23) is rotatably connected to the bottom end of the limit block. The limit block is fixedly installed at the top end of the movable cavity 2 (18). Both sides of the bevel gear 1 (23) are meshed and connected with the bevel gear 2 (24), and the opposite ends of the bevel gear 2 (24) are respectively rotatably connected to the two sides of the limit block. The other end of the bevel gear 2 (24) is provided with a screw 2 (20). , and the outer threads of the second screw rod (20) installed on both sides are set in opposite directions, the second screw rod (20) passes through the interior of one end of the slide cylinder (19) and is threadedly connected thereto, and the slide cylinder (19) is slidably connected to the second movable chamber (18), and the other end of the slide cylinder (19) respectively passes through the two sides of the connecting seat (16) and is slidably connected thereto, and the other end of the slide cylinder (19) is connected to the arc-shaped connecting plate (21), and the bottom end of the connecting seat (16) is provided with a positioning rod (28) at the opposite position, and the positioning rod (28) is connected to the socket (26), and the socket (26) is opened on both sides of the top of the fixed seat (14), and the slide cylinder (19) can only slide due to the limitation of the connecting seat (16), and the arc-shaped interlocking plate (22) is interlocked with the arc-shaped interlocking groove (25), and the arc-shaped interlocking groove (25) is opened at both ends of the outer side of the fixed seat (14).

5. The sampling device for traffic road engineering inspection according to claim 1, characterized in that: The bottom end of the base (1) is provided with a splash-proof groove (11), and a sliding hole is provided at the center of the top end of the splash-proof groove (11), and a sliding connection sampling tube (13) passes through the sliding hole. Grooves (17) are provided at the four corners of the bottom end of the base (1), and an electric telescopic rod is installed in the groove (17). One end of the electric telescopic rod is connected to a universal wheel, and the bottom end of the sampling tube (13) is set to be toothed.

6. The sampling device for traffic road engineering inspection according to claim 1, characterized in that: A storage box (12) is installed at the top of the base (1), and a plurality of storage slots are opened at the top of the storage box (12), and sampling tubes (13) of different capacities are placed in the storage slots. A placement slot (27) is opened at the top of the fixing seat (14).

7. The sampling device for traffic road engineering inspection according to claim 1, characterized in that: A controller is installed on one side of the base (1), and a single chip microcomputer, a relay, and a control switch are installed in the controller. The controller is electrically connected to the forward and reverse motors, the electric telescopic rod, the motor 1 (3), and the motor 2 (9).

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