A sampling device for bridge concrete detection

Abstract

The application relates to the technical field of concrete detection, and discloses a sampling device for bridge concrete detection, which comprises a supporting base, a driving element and a sampling cylinder, two stand columns are arranged on the supporting base, and the sampling device further comprises: a carrier plate horizontally arranged between the two stand columns, the carrier plate being slidably connected with the two stand columns; the driving element is arranged on the carrier plate, and the sampling cylinder is rotatably connected to the bottom end of the carrier plate; each clamping element comprises a push rod and an arc-shaped clamping plate, the push rod is arranged on the arc-shaped clamping plate, the push rod is slidably connected to the sampling cylinder, and a first elastic element is arranged on the push rod; the arc-shaped clamping plate is arranged in the sampling cylinder; a sleeve ring is arranged between the two stand columns of the supporting base, the top surface of the sleeve ring is provided with an inclined surface; the sampling cylinder passes through the inner hole of the sleeve ring; the rotary cutting ring is connected with the sampling cylinder through a second elastic element; when the sampling device is used for sampling the concrete sample block with a large diameter, the concrete sample block can be directly taken out with the sampling cylinder, a special clamping tool is not needed, and the operation is simple.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of concrete detection, in particular to a sampling device for bridge concrete detection. BACKGROUND

[0002] In bridge construction, the quality detection of concrete is an important link to ensure the safety of the project. After the completion of bridge construction, the bridge concrete needs to be sampled so as to carry out tensile, permeability, and bending resistance tests on the collected samples, and then evaluate the overall performance of the bridge.

[0003] The common concrete sampling device is generally composed of a rotary driving member and a rotary digging sampling cylinder arranged on the rotary shaft of the rotary driving member. The rotary driving member drives the rotary digging sampling cylinder to rotate to cut and sample the bridge concrete. However, the sampling direction of the sampling device is usually controlled by human in the sampling process, and thus errors are easily generated in the sampling direction of the concrete sample.

[0004] In view of the above problems, a bridge concrete sampling device is also provided in the prior art. A support seat is arranged, and a guide member for limiting the sampling direction of the rotary digging sampling cylinder is arranged on the support seat. Although the guide member can ensure the accuracy of the sampling direction during sampling, the concrete sampling device with the guide member cannot directly take out the concrete sample with a large diameter when applied to the sampling of the concrete sample with a large diameter. The rotary digging sampling cylinder cannot directly take out the concrete sample, and the rotary digging sampling cylinder needs to be moved out of the drilling hole first. Then, the whole device needs to be moved away from the sampling position, and a special taking-out tool needs to be used to take out the concrete sample with a large diameter. If the operation is not careful, the concrete sample may be broken, and the whole sampling process has many steps and is extremely inconvenient to operate. SUMMARY

[0005] The present application provides a sampling device for bridge concrete detection to solve the above problems in the prior art. The sampling device for bridge concrete detection can directly take out the concrete sample with a large diameter along with the sampling cylinder without using a special clamping tool, and the operation is simple.

[0006] The technical scheme of the present application is as follows: a sampling device for bridge concrete detection, comprising a support seat, a driving member, and a sampling cylinder, wherein the support seat is provided with two columns, and further comprising:

[0007] a carrier plate horizontally arranged between the two columns, wherein the carrier plate is in sliding connection with the two columns; the driving member is arranged on the carrier plate, and the sampling cylinder is rotatably connected to the bottom end of the carrier plate.

[0008] A plurality of clamping pieces are arranged on the sampling cylinder, each clamping piece comprises a push rod and an arc-shaped clamping plate, the push rod is arranged on the arc-shaped clamping plate, the push rod is slidingly connected to the sampling cylinder, and a first elastic element is arranged on the push rod; the first elastic element is used for providing resistance to the sliding of the push rod towards the sampling cylinder, and the arc-shaped clamping plate is located in the sampling cylinder;

[0009] A sleeve ring is arranged between the two columns on the support base, and the top surface of the sleeve ring is provided with an inclined surface inclined downward towards the inner hole; the sampling cylinder passes through the inner hole of the sleeve ring;

[0010] A rotary cutting ring is arranged at the bottom end of the sampling cylinder, the rotary cutting ring is connected to the sampling cylinder through a second elastic element, and the second elastic element is used for providing resistance to the upward movement of the rotary cutting ring.

[0011] In at least one embodiment of the present application, a mounting ring is arranged on the outer side arm of the sampling cylinder, the bottom end of the mounting ring is connected to the rotary cutting ring through a second elastic element, the inner diameter of the rotary cutting ring is equal to the inner diameter of the sampling cylinder, and the outer diameter of the rotary cutting ring is greater than the outer diameter of the sampling cylinder.

[0012] In at least one embodiment of the present application, a connecting piece is further arranged, the mounting cavity is arranged on the carrier plate, the rotating shaft of the driving piece extends into the mounting cavity, the rotating shaft of the sampling cylinder extends into the mounting cavity, and the connecting piece comprises a first end face gear, a second end face gear and a top rod, the first end face gear and the second end face gear are arranged in the mounting cavity and are in mesh with each other, the top end of the first end face gear is provided with a mounting groove, the rotating shaft of the driving piece extends into the mounting groove and is slidingly connected with the mounting groove, the bottom end of the rotating shaft of the driving piece in the mounting groove is provided with a spring, the first end face gear is rotatably connected with an abutting ring, the second end face gear is connected with the rotating shaft of the sampling cylinder, and the top rod is arranged vertically on the sleeve ring.

[0013] In at least one embodiment of the present application, a plurality of through holes are arranged on the mounting ring, a plurality of guide rods are arranged on the top of the rotary cutting ring and respectively pass through the through holes, the second elastic element is a spring, the second elastic element is sleeved on the guide rods between the mounting ring and the rotary cutting ring, the inner diameters of the mounting ring and the rotary cutting ring are greater than the outer diameter of the sampling cylinder, and the outer diameters of the mounting ring and the rotary cutting ring are less than the inner diameter of the sleeve ring.

[0014] In at least one embodiment of the present application, the bottom of the abutting ring is provided with two sliding blocks, the two sliding blocks pass through the carrier plate and are slidingly connected with the carrier plate, and the top rod is provided with two top rods located below the sliding blocks.

[0015] In at least one embodiment of the present application, the lifting member is further included, the two columns are provided with top plates, the carrier plate is provided with mounting holes, the top of the carrier plate is provided with a first sprocket on the rotating shaft of the driving member, and the lifting member comprises a lead screw and an internally threaded pipe.

[0016] In at least one embodiment of the present application, the carrier plate is provided with through holes, the two through holes are located on the two sides of the driving member, the bottom end of the top plate is provided with two supporting rods, the two supporting rods pass through the two through holes respectively, and the two supporting rods are located above the sleeve ring.

[0017] In at least one embodiment of the present application, the end of the sampling cylinder outer push rod is provided with an abutting block, the bottom of the abutting block is provided with an inclined surface inclined upward away from the sampling cylinder, the first elastic member is a spring, and the first elastic member is sleeved on the push rod between the abutting block and the sampling cylinder.

[0018] In at least one embodiment of the present application, the two sides of the carrier plate are provided with mounting cylinders, the two mounting cylinders are slidably connected with the two columns respectively, the opposite sides of the two columns are provided with sliding grooves, and the two sides of the sleeve ring are provided with connecting rods slidably connected with the sliding grooves.

[0019] Compared with the prior art, the present application has the following advantages:

[0020] 1、The present application sets the clamping member composed of the push rod and the arc-shaped clamping plate on the sampling cylinder, and sets the rotary cutting ring for cutting the concrete on the sampling cylinder in a flexible manner, and under the cooperation of the sleeve ring, when the sampling cylinder gradually moves to the lower limit position, the sleeve ring gradually abuts against the push rod, the arc-shaped clamping plate is pushed by the push rod to clamp the concrete sample, in this process, the second elastic member arranged on the rotary cutting ring is gradually compressed, the space for downward movement of the sampling cylinder is given, so that the arc-shaped clamping plate can clamp the concrete sample, and then in the process of upward movement of the sampling cylinder, the concrete sample with a larger diameter can be stably taken out, the concrete sample is protected in the sampling cylinder throughout the sampling process, is not easy to break, and the whole sampling process does not need to use a special taking-out tool, the operation steps of sampling are simplified, and the sampling speed of the concrete sample is improved.

[0021] 2、The present application sets up the diameter of the rotary cutting ring to be larger than the diameter of the sampling cylinder, so that the rotary cutting ring can provide enough inclined space for the sampling cylinder during the rotary cutting sampling process, and then after the rotary cutting of the concrete is completed, the sampling cylinder can be slightly moved or inclined to make the concrete sample block separated from the original component at the bottom of the sampling cylinder, so that the sampling work can be completed quickly without using other tools, and the integrity of the sampled concrete sample block is ensured.

[0022] 3、The present application sets up the connecting piece composed of the first face gear and the second face gear, so that the top rod arranged on the sleeve ring can abut against the ring when the push rod abuts against the sleeve ring, and then the first face gear moves upward to eliminate the meshing state of the first face gear and the second face gear, so that the sampling cylinder can stop rotating during the clamping process of the concrete sample block, and the sampling cylinder can stably clamp the concrete sample block, and the concrete sample block can be prevented from falling off during the process of taking out the concrete sample block, and the sampling cylinder can stably and completely take out the concrete sample block.

[0023] 4、The present application sets up the screw rod, the inner threaded pipe and the chain mechanism for driving the inner threaded pipe to rotate, so that the inner threaded pipe can be driven to rotate by the first sprocket and the second sprocket when the driving piece rotates, and the inner threaded pipe can drive the carrier plate to move up and down due to the screw thread connection of the screw rod and the inner threaded pipe, so that the device does not need to set an additional power component for the lifting piece, and the device can complete the rotary digging, clamping, lifting and other steps of the concrete only by controlling the forward and reverse rotation of the driving piece during the concrete sampling process, which greatly simplifies the sampling steps and makes the whole sampling work more simple and efficient. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is a front view structural schematic diagram of the present application;

[0025] Figure 2 It is a front view structural schematic diagram of the present application;

[0026] Figure 3 It is a front view structural schematic diagram of the present application; Figure 2 Partial structural schematic diagram of the present application;

[0027] Figure 4 It is a front view structural schematic diagram of the present application; Figure 3 Detail structural schematic diagram of the present application at A;

[0028] Figure 5 It is a front view structural schematic diagram of the present application;

[0029] Figure 6 It is a front view structural schematic diagram of the present application;Figure 5 Local structure schematic view

[0030] Figure 7 For the invention Figure 5 B details structure schematic view.

[0031] Reference signs:

[0032] 1, support seat; 11, driving piece; 111, first sprocket; 12, stand; 13, top plate; 131, brace; 2, sampling cylinder; 21, mounting ring; 22, rotary cutting ring; 3, carrier plate; 31, mounting cavity; 32, mounting hole; 33, through hole; 34, mounting cylinder; 4, clamping piece; 41, push rod; 42, arc-shaped clamping plate; 43, abutting block; 5, sleeve ring; 51, connecting rod; 6, lifting piece; 61, lead screw; 62, internally threaded tube; 621, second sprocket; 7, connecting piece; 71, first face gear; 711, mounting groove; 712, abutting ring; 72, second face gear; 73, jacking rod. DETAILED DESCRIPTION

[0033] The drawings in the present application are not strictly drawn according to the actual proportions, and the specific sizes and quantities of various structures can be determined according to actual needs. The drawings described in the present application are only structure schematic views.

[0034] To make the purposes, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions of the embodiments of the present application will be described clearly and completely below in combination with the drawings of the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. Based on the described embodiments of the present application, all other embodiments obtained by those of ordinary skill in the art without any creative effort fall within the scope of protection of the present application.

[0035] Unless otherwise defined, the technical terms or scientific terms used herein should be understood as the usual meanings understood by those of ordinary skill in the art to which the present application belongs. The "first", "second" and similar words used in the present application do not represent any order, quantity or importance, but are only used to distinguish different components. "Include" or "contain" and similar words mean that the elements or objects before the words cover the elements or objects listed after the words and their equivalents, without excluding other elements or objects. "In", "out", "up", "down", "far", "near", "front", "back" and the like are only used to represent the relative positional relationship, and when the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0036] The common concrete sampling device at present is mostly composed of a rotary driving member and a rotary digging sampling cylinder arranged on the rotary shaft of the rotary driving member, and the rotary driving member drives the rotary digging sampling cylinder to cut and sample the bridge concrete. However, the sampling direction is controlled manually in the sampling process, and thus errors are easily generated in the drilling direction of the concrete sample, and the sampled sample is not representative or the rotary digging sampling cylinder is abraded quickly.

[0037] In view of the above problems, a bridge concrete sampling device is also provided in the prior art, which is provided with a support seat and a guide member arranged on the support seat for limiting the sampling direction of the rotary digging sampling cylinder. Although the guide member can ensure the accuracy of the sampling direction during sampling, the concrete sampling device with the guide member is applied to sampling of a concrete sample with a large diameter and a relatively long length (for example, a concrete sample with a diameter of 100 mm or more for compression strength test), and because the concrete sample is heavy, the rotary digging sampling cylinder cannot directly take out the concrete sample, and the rotary digging sampling cylinder needs to be moved out of the drilling hole first, and then the whole device needs to be moved away from the sampling position, and a special taking-out tool is used to take out the concrete sample with a large diameter. If the operation is not careful, the concrete sample may be broken, and the sampling process is complicated and extremely inconvenient to operate.

[0038] Therefore, the present application provides a bridge concrete sampling device for concrete detection, which can directly take out the concrete sample with the sampling cylinder, without using a special clamping tool, and is simple to operate, and improves the sampling speed.

[0039] In combination with Figures 1 to 7 As shown in the drawings, a bridge concrete sampling device for concrete detection includes a support seat 1, a driving member 11 and a sampling cylinder 2. The support seat 1 is provided with two upright columns 12, and the support seat 1 is provided with a through slot for the sampling cylinder 2 to pass through. The bridge concrete sampling device for concrete detection further includes:

[0040] A carrier plate 3 is horizontally arranged between the two upright columns 12, and the carrier plate 3 is slidably connected with the two upright columns 12. The driving member 11 is arranged on the carrier plate 3, and the sampling cylinder 2 is rotatably connected to the bottom end of the carrier plate 3.

[0041] The plurality of clamping pieces 4 are arranged on the sampling cylinder 2, each clamping piece 4 comprises a push rod 41 and an arc-shaped clamping plate 42, the push rod 41 is arranged on the arc-shaped clamping plate 42, the push rod 41 is slidingly connected to the sampling cylinder 2, and the push rod 41 is provided with a first elastic member; the first elastic member is used to provide resistance to the sliding of the push rod 41 towards the sampling cylinder 2, and the arc-shaped clamping plate 42 is located in the sampling cylinder 2; specifically, a plurality of embedded grooves are arranged on the inner wall of the sampling cylinder 2, and the plurality of arc-shaped clamping plates 42 are located in the embedded grooves, and the surface of the arc-shaped clamping plate 42 is flush with the inner wall of the sampling cylinder 2, so as to avoid interference of the arc-shaped clamping plate 42 on the movement of the concrete sample in the sampling cylinder 2;

[0042] The sleeve 5 is arranged between the two columns 12 of the support seat 1, and the top surface of the sleeve 5 is provided with an inclined surface inclined downward towards the inner hole; the sampling cylinder 2 passes through the inner hole of the sleeve 5, the inclined surface of the sleeve 5 is in contact with the push rod 41, and the inclined surface is used to push the push rod 41 to make the arc-shaped clamping plate 42 clamp the concrete sample;

[0043] The rotary cutting ring 22 is arranged at the bottom end of the sampling cylinder 2, the rotary cutting ring 22 is longitudinally slidingly connected to the bottom of the sampling cylinder 2, the rotary cutting ring 22 is connected to the sampling cylinder 2 through a second elastic member, the second elastic member is used to provide resistance to the upward movement of the rotary cutting ring 22, the elasticity of the rotary cutting ring 22 is set to continuously move downward after the sampling cylinder 2 stops rotating, and a certain movement space is provided, so that the arc-shaped clamping plate 42 can clamp the concrete sample.

[0044] As an alternative embodiment, the outer side arm of the sampling cylinder 2 is provided with a mounting ring 21, the bottom end of the mounting ring 21 is connected to the rotary cutting ring 22 through a second elastic member, the inner diameter of the rotary cutting ring 22 is equal to the inner diameter of the sampling cylinder 2, the outer diameter of the rotary cutting ring 22 is greater than the outer diameter of the sampling cylinder 2, the rotary cutting ring 22 can cut the concrete of the sampling cylinder 2, and a certain inclination space is left for the inclination of the sampling cylinder 2, so as to facilitate the inclination of the sampling cylinder 2, so that the concrete sample is disconnected from the original bridge member.

[0045] As an alternative embodiment, the connecting piece 7 is further included, the mounting cavity 31 is arranged on the carrier plate 3, the rotating shaft of the driving piece 11 extends into the mounting cavity 31, the rotating shaft of the sampling cylinder 2 extends into the mounting cavity 31, the connecting piece 7 includes: a first face gear 71, a second face gear 72 and a top rod 73, the first face gear 71 and the second face gear 72 are arranged in the mounting cavity 31 and are in meshing with each other, the top end of the first face gear 71 is provided with a mounting groove 711, the rotating shaft of the driving piece 11 extends into the mounting groove 711 and is in sliding connection with the mounting groove 711, the bottom end of the rotating shaft of the driving piece 11 in the mounting groove 711 is provided with a spring, the first face gear 71 is rotatably connected with an abutting ring 712, the second face gear 72 is connected with the rotating shaft of the sampling cylinder 2, the top rod 73 is arranged vertically on the sleeve ring 5, the top rod 73 is used for abutting against the abutting ring 712 when the sleeve ring 5 abuts against the push rod 41, thereby releasing the meshing state of the first face gear 71 and the second face gear 72, so that the sampling cylinder 2 stops rotating, and the clamping and taking out of the concrete sample block are facilitated.

[0046] As an alternative embodiment, the mounting ring 21 is provided with a plurality of through holes, the top of the rotary cutting ring 22 is provided with a plurality of guide rods respectively penetrating through the through holes, the second elastic piece is a spring, the second elastic piece is sleeved on the guide rod between the mounting ring 21 and the rotary cutting ring 22, and the outer diameters of the mounting ring 21 and the rotary cutting ring 22 are smaller than the inner diameter of the sleeve ring 5. The limitation of the outer diameters of the mounting ring 21 and the rotary cutting ring 22 can prevent the mounting ring 21 and the rotary cutting ring 22 from interfering with the up-down movement of the sleeve ring 5, so that the device can return to the initial state.

[0047] As an alternative embodiment, the bottom of the abutting ring 712 is provided with two sliding blocks, the two sliding blocks penetrate out of the carrier plate 3 and are in sliding connection with the carrier plate 3, the sliding blocks can slide longitudinally on the carrier plate 3, the top rod 73 is provided with two, the two top rods 73 are located below the sliding blocks, and the arrangement of the two top rods 73 can push the sliding blocks from two directions when the sampling is completed, so that the abutting ring 712 can be stably moved and not moved with the downward movement of the carrier plate 3, thereby releasing the meshing state of the first face gear 71 and the second face gear 72, and preventing the sampling cylinder 2 from continuing to rotate.

[0048] As an alternative embodiment, the lifting member 6 is further included, the top plate 13 is arranged on the two upright columns 12, the mounting hole 32 is arranged on the carrier plate 3, the first sprocket 111 is arranged on the rotating shaft of the driving member 11 above the carrier plate 3, and the lifting member 6 comprises a lead screw 61 and an internally threaded pipe 62. The lead screw 61 is arranged between the support base 1 and the top plate 13, the lead screw 61 passes through the mounting hole 32, the internally threaded pipe 62 is rotationally connected in the mounting hole 32, the internally threaded pipe 62 is threadedly connected with the lead screw 61, the second sprocket 621 is arranged on the internally threaded pipe 62, and the first sprocket 111 and the second sprocket 621 are connected through a chain. The arrangement of the lifting member 6 can control the lifting of the carrier plate 3 by borrowing the power of the driving member 11 for rotating the sampling cylinder 2. When the driving member 11 rotates, the internally threaded pipe 62 is driven to rotate through the first sprocket 111 and the second sprocket 621. Since the internally threaded pipe 62 is threadedly connected with the lead screw 61, the internally threaded pipe 62 can drive the carrier plate 3 to perform lifting movement. Therefore, the device does not need to additionally arrange a power component of the lifting member 6. Only the forward and reverse rotation of the driving member 11 needs to be controlled, so that the lifting of the carrier plate 3 can be controlled. Therefore, the operation of the device is more convenient. Specifically, in the actual production process of the device, the height of the lead screw 61 can be set according to the actual use requirement, so as to meet the requirement of different lifting heights. Meanwhile, the pitch of the lead screw 61 can be set to be relatively small, so that the carrier plate 3 can move downward at a stable speed and be lifted upward.

[0049] As an alternative embodiment, the carrier plate 3 is provided with a through hole 33, the two through holes 33 are located on the two sides of the driving member 11, the bottom end of the top plate 13 is provided with two support rods 131, the two support rods 131 pass through the two through holes 33 respectively, the inner diameter of the through hole 33 is greater than the outer diameter of the support rod 131, and the through hole 33 does not contact the support rod 131 during the upward and downward movement of the carrier plate 3, so as to avoid the friction between the components. The two support rods 131 are located above the sleeve ring 5. When it is needed to take out the concrete sample from the sampling cylinder 2, only the continuous reverse rotation of the driving member 11 needs to be controlled, so that the support rod 131 abuts against the sleeve ring 5, and then the sleeve ring 5 is separated from the abutting block 43, so that the clamping state of the concrete sample by the arc-shaped clamping plate 42 is released, and the concrete sample falls out of the sampling cylinder 2 under the action of gravity.

[0050] As an alternative embodiment, the end of the push rod 41 of the sampling cylinder 2 is provided with an abutting block 43, the bottom of the abutting block 43 is provided with an inclined surface that is inclined upward away from the sampling cylinder 2. The arrangement of the inclined surface of the abutting block 43 makes the movement of the push rod 41 more smooth. The first elastic member is a spring, the first elastic member is sleeved on the push rod 41 between the abutting block 43 and the sampling cylinder 2. In the case that the abutting block 43 is not forced, the first elastic member drives the push rod 41 and the arc-shaped clamping plate 42 to move away from the sampling cylinder 2, so that the arc-shaped clamping plate 42 does not interfere with the movement of the concrete sample in the sampling cylinder 2, that is, the arc-shaped clamping plate 42 is in a non-clamping state.

[0051] As an alternative embodiment, the two sides of the carrier plate 3 are provided with mounting barrels 34, the two mounting barrels 34 are respectively in sliding connection with the two vertical columns 12, the opposite sides of the two vertical columns 12 are respectively provided with sliding grooves, the two sides of the sleeve ring 5 are provided with connecting rods 51 in sliding connection with the sliding grooves, the two supporting rods 131 correspond to the two connecting rods 51 respectively, and the sleeve ring 5 can be smaller based on the arrangement of the connecting rods 51, the size of the sleeve ring 5 can only ensure that the top rod 73 is arranged and the push rod 41 is moved towards the sampling barrel 2, thereby reducing the self-weight of the sleeve ring 5, so that the sleeve ring 5 can rise with the rising of the sampling barrel 2, thereby ensuring the clamping of the concrete and limiting the rotation of the sampling barrel 2, so that the concrete sample can be smoothly taken out.

[0052] As an alternative embodiment, the support base 1 is provided with an operating handrail, and the side edge of the support base 1 is provided with a walking wheel. During the movement of the device, the device is inclined through the operating handrail to make the walking wheel contact the ground, thereby moving the device. The bottom of the support base 1 is also provided with a rubber pad. The rubber pad is arranged to ensure the stability of the device during sampling, and the rubber pad has a certain damping effect.

[0053] The working principle and use method of the embodiment are as follows:

[0054] The application provides a sampling device for bridge concrete detection, which is used in the following way: first, the device is moved to a sampling position so that the sampling cylinder 2 is aligned with the sampling position, then the driving member 11 is started to sample, the rotating shaft of the driving member 11 drives the first face gear 71 to rotate, the first face gear 71 drives the sampling cylinder 2 to rotate through the second face gear 72, and in the process of rotating the driving member 11, the inner threaded pipe 62 on the carrier plate 3 is driven to rotate through the first chain wheel 111 and the second chain wheel 621, in the process of rotating the inner threaded pipe 62, the inner threaded pipe 62 gradually drives the carrier plate 3 to move downward through the meshing with the lead screw 61, so that the carrier plate 3 generates downward pressure on the sampling cylinder 2, so that the sampling cylinder 2 gradually approaches the sampling point of the bridge concrete, in the process of moving the sampling cylinder 2 downward, the rotary cutting ring 22 arranged below the sampling cylinder 2 first contacts and cuts the concrete, and the concrete sample gradually enters the sampling cylinder 2, when the sampling cylinder 2 gradually enters the bridge concrete, the carrier plate 3 also gradually approaches the sleeve ring 5 and the top rod 73, before the sampling is completed, the top rod 73 first abuts against the sliding block on the abutting ring 712, at this time, the driving member 11 continues to drive the inner threaded pipe 62 to rotate, so that the carrier plate 3 drives the sampling cylinder 2 to continuously move downward, at this time, the second elastic member gradually contracts, and the sliding block limits the abutting ring 712 from moving downward with the carrier plate 3, so as to drive the first face gear 71 to slide on the rotating shaft of the driving member 11, so as to release the meshing state of the first face gear 71 and the second face gear 72, and thus the sampling cylinder 2 stops rotating, in the process of stopping the sampling cylinder 2 from rotating, the abutting block 43 on the push rod 41 also gradually abuts against the inclined surface on the sleeve ring 5, so that the push rod 41 pushes the arc-shaped clamping plate 42 to stably clamp the concrete sample in the sampling cylinder 2, at this time, the device only needs to be shaken or lifted slightly, so that the sampling cylinder 2 is inclined to break the concrete sample, then the driving member 11 is reversed to drive the carrier plate 3 and the sampling cylinder 2 to rise, so that the concrete sample is separated from the original component.

[0055] In the process of rising the sampling cylinder 2, the sleeve ring 5 also rises, so as to ensure the clamping of the concrete and limit the rotation of the sampling cylinder 2, after the extraction of the concrete sample is completed, the concrete sample can be moved to a designated position through the moving device, when it is needed to take out the concrete sample from the sampling cylinder 2, the driving member 11 is continuously reversed to make the supporting rod 131 abut against the sleeve ring 5, so that the sleeve ring 5 is separated from the abutting block 43, the clamping state of the arc-shaped clamping plate 42 on the concrete sample is released, so that the concrete sample falls down under the action of gravity, the sleeve ring 5 slides to the initial position, the first face gear 71 and the second face gear 72 are re-meshed under the action of the spring, and the whole device returns to the initial state, so as to facilitate the next sampling work.

[0056] The above examples are only specific embodiments of the present application, which are used to illustrate the technical solutions of the present application, but not to limit the protection scope of the present application. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that any person skilled in the art can make modifications or easily think of changes to the technical solutions recorded in the foregoing embodiments, or make equivalent replacements to some technical features, within the technical range disclosed by the present application. The modifications, changes or replacements do not make the corresponding technical solutions deviate from the spirit and range of the technical solutions of the present application, and should be covered within the protection scope of the present application.

Claims

1. A sampling device for bridge concrete detection, comprising a support seat (1), a driving member (11) and a sampling cylinder (2), two upright columns (12) are arranged on the support seat (1), characterized in that, Also include: The carrier plate (3) is horizontally arranged between the two columns (12), and the carrier plate (3) is in sliding connection with the two columns (12); the driving member (11) is arranged on the carrier plate (3), and the sampling cylinder (2) is rotatably connected to the bottom end of the carrier plate (3); A plurality of clamping members (4) are arranged on the sampling cylinder (2), each clamping member (4) comprises a push rod (41) and an arc-shaped clamping plate (42), the push rod (41) is arranged on the arc-shaped clamping plate (42), the push rod (41) is in sliding connection with the sampling cylinder (2), and a first elastic member is arranged on the push rod (41); the first elastic member is used for providing resistance to the sliding of the push rod (41) towards the sampling cylinder (2), and the arc-shaped clamping plate (42) is located in the sampling cylinder (2); The sleeve ring (5) is arranged between the two columns (12) on the support seat (1), and the top surface of the sleeve ring (5) is provided with an inclined surface inclined downwardly towards the inner hole; the sampling cylinder (2) passes through the inner hole of the sleeve ring (5); The rotary cutting ring (22) is arranged at the bottom end of the sampling cylinder (2), and the rotary cutting ring (22) is connected with the sampling cylinder (2) through a second elastic member, and the second elastic member is used for providing resistance to the upward movement of the rotary cutting ring (22).

2. The sampling device for testing bridge concrete according to claim 1, wherein The outer side arm of the sampling cylinder (2) is provided with a mounting ring (21), the bottom end of the mounting ring (21) is connected with the rotary cutting ring (22) through a second elastic member, the inner diameter of the rotary cutting ring (22) is equal to the inner diameter of the sampling cylinder (2), and the outer diameter of the rotary cutting ring (22) is greater than the outer diameter of the sampling cylinder (2).

3. The sampling device for testing bridge concrete according to claim 1, wherein Further comprising a connecting member (7), the carrier plate (3) is provided with a mounting cavity (31), the rotating shaft of the driving member (11) extends into the mounting cavity (31), the rotating shaft of the sampling cylinder (2) extends into the mounting cavity (31), and the connecting member (7) comprises a first face gear (71), a second face gear (72) and a top rod (73), the first face gear (71) and the second face gear (72) are arranged in the mounting cavity (31) and are in meshing connection with each other, the top end of the first face gear (71) is provided with a mounting groove (711), the rotating shaft of the driving member (11) extends into the mounting groove (711) and is in sliding connection with the mounting groove (711), the bottom end of the rotating shaft of the driving member (11) in the mounting groove (711) is provided with a spring, the first face gear (71) is rotatably connected with an abutting ring (712), the second face gear (72) is connected with the rotating shaft of the sampling cylinder (2), and the top rod (73) is vertically arranged on the sleeve ring (5), and the top rod (73) is used for abutting against the abutting ring (712) when the sleeve ring (5) abuts against the push rod (41).

4. The sampling device for testing bridge concrete according to claim 2, wherein The mounting ring (21) is provided with a plurality of through holes, the top of the rotary cutting ring (22) is provided with a plurality of guide rods respectively penetrating through the through holes, the second elastic member is a spring, the second elastic member is sleeved on the guide rods between the mounting ring (21) and the rotary cutting ring (22), and the outer diameters of the mounting ring (21) and the rotary cutting ring (22) are smaller than the inner diameter of the sleeve ring (5).

5. The sampling device for testing bridge concrete according to claim 1, wherein Further include lifting piece (6), two said column (12) is equipped with top plate (13), the load plate (3) is equipped with mounting hole (32), the upper drive (11) of the load plate (3) is equipped with first sprocket (111), the lifting piece (6) includes: lead screw (61) and internal thread pipe (62), the lead screw (61) is arranged between support seat (1) and top plate (13), the lead screw (61) passes through mounting hole (32), internal thread pipe (62) is rotatably connected in mounting hole (32), the internal thread pipe (62) is threadedly connected with the lead screw (61), the internal thread pipe (62) is equipped with second sprocket (621), the first sprocket (111) and second sprocket (621) are connected by chain.

6. A sampling device for testing bridge concrete as set forth in claim 5, characterized in that The load plate (3) is provided with a through hole (33), and the two through holes (33) are located on both sides of the drive (11), and the bottom end of the top plate (13) is provided with two supporting rods (131), and the two supporting rods (131) pass through the two through holes (33) respectively, and the two supporting rods (131) are located above the sleeve ring (5).

7. The sampling device for testing bridge concrete according to claim 3, wherein The bottom of the abutting ring (712) is provided with two sliding blocks, both of which pass through the load plate (3) and are slidably connected with the load plate (3), and the top rod (73) is provided with two, both of which are located below the sliding block.

8. The sampling device for testing bridge concrete according to claim 1, wherein The end of the push rod (41) of the sampling cylinder (2) is provided with an abutting block (43), the bottom of the abutting block (43) is provided with an inclined surface inclined upward away from the sampling cylinder (2), the first elastic member is a spring, and the first elastic member is sleeved on the push rod (41) between the abutting block (43) and the sampling cylinder (2).

9. The sampling device for testing bridge concrete according to claim 1, wherein Both sides of the load plate (3) are provided with mounting cylinders (34), both of which are slidably connected with two said columns (12), and the opposite sides of the two columns (12) are both provided with a sliding groove, and both sides of the sleeve ring (5) are provided with a connecting rod (51) slidably connected with the sliding groove.

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