Asphalt concrete sampling device

Abstract

The utility model discloses an asphalt concrete sampling device which comprises a movable frame, a grip frame and a sampling structure, the movable frame comprises a frame body, rollers arranged on the bottom side of the frame body, a cushion block and supporting rods arranged on the two sides and the middle of the top side of the frame body, the two groups of rollers are distributed at the rear end of the bottom side of the frame body, and the cushion block is arranged at the front end of the bottom side of the frame body. A groove body is formed in the bottom side end face of the frame body, lifting handles are installed on supporting rods on the two sides of the top side of the frame body, and when the frame body is fixed for use, cushion blocks can improve the stability of the movable frame; the handle frame comprises handles, a mounting plate and a spring, the spring sleeves the top side and the middle supporting rod of the frame body, the mounting plate movably sleeves the top side and the middle supporting rod of the frame body and is connected with the spring, the handles are integrally formed at the two ends of the mounting plate, a mounting hole is formed in the mounting plate, and the handles are held to drive the mounting plate to downwards compress the spring during use; the sampling structure is mounted on the mounting plate and can move downwards along with the mounting plate and perform sampling.

Description

Technical Field

[0001] The utility model relates to the field of asphalt concrete sampling, in particular to an asphalt concrete sampling device. Background Art

[0002] Asphalt concrete is one of the main raw materials for road paving. The state and performance of asphalt concrete mixture directly affect the quality of the road surface. Therefore, sampling and testing of asphalt concrete mixture within a certain period of time after paving becomes particularly critical. Quality testing is generally required after the asphalt concrete pavement is formed, and before the test, sampling and collection of asphalt concrete is required.

[0003] Sampling devices in the prior art are as follows:

[0004] 1) Use a hand drill with a spiral drill bit, and use the hand drill to extract materials;

[0005] 2) A commercial concrete sampling device disclosed in publication number CN220794724U, in which the sampling device includes a mobile seat, a frame body is fixedly mounted on the mobile seat, a push plate is slidably connected to the frame body, a collection box is fixedly mounted on the top of the frame body, a partition net is arranged in the collection box, a fan is fixedly arranged in the collection box, a collection pipe is connected to one side of the collection box, two universal wheels are arranged at the bottom of the mobile seat, pressure blocks are slidably connected to the inner walls of both sides of the frame body, an electric push rod is fixedly arranged on the frame body, and the bottom end of the electric push rod is fixedly connected to the push plate. The utility model has a simple structure, and can protect sampling when sampling concrete, avoid dust scattering and affecting air quality, and is convenient for people to use.

[0006] 3) The concrete sampling device disclosed in publication number CN219757766U, in which a telescopic column is fixedly provided at the four corners of the bottom of the workbench, a support column is slidably provided at the bottom of the four telescopic columns, a fixed plate is fixedly provided on both sides of the four support columns, a controller is fixedly provided on the top of the workbench, a controller display is fixedly provided on the top of the controller, a storage box is fixedly provided on one side of the controller, a storage box door is fixedly provided on the front face of the storage box, and two support plates are fixedly provided on the front face of the workbench. In the utility model, the concrete sampling device is provided with a drill bit, which is driven to rotate by the high-speed rotation of the motor, and then the drill bit is slowly lowered by the hydraulic lifting column, and then the concrete is broken, which is convenient for sampling, greatly saving the physical strength and energy of the staff, and can be better devoted to the detection process.

[0007] Although the above documents 1, 2, and 3 can complete the sampling of concrete, they have the following problems:

[0008] 1. The size is large, especially the equipment in files 2 and 3, which makes it inconvenient to move and transport;

[0009] 2. Although the hand drill + spiral drill bit in 1 is small in size, this device needs to be held for a long time when used, which not only affects safety but also requires laborious operation;

[0010] 3. The device has poor disassembly capabilities. For example, the devices in Documents 2 and 3 have a high degree of integration and are difficult to disassemble for maintenance.

[0011] Based on the defects of the above three devices, this application has developed an asphalt concrete sampling device. The whole device consists of three parts, namely a mobile frame, a handle frame and a sampling structure. The whole device is small in size and adopts a portable structure. It can be quickly installed and disassembled to meet the needs of mobility and transportation. Utility Model Content

[0012] The purpose of the utility model is to provide an asphalt concrete sampling device, the whole device is small in size, and adopts a portable structure, can be quickly installed and disassembled, and meets the needs of movement and transportation.

[0013] To achieve the above purpose, the utility model provides the following technical solution: an asphalt concrete sampling device, comprising:

[0014] A mobile frame, comprising a frame, rollers arranged on the bottom side of the frame, pads, and support rods arranged on both sides and the middle of the top side of the frame, two groups of rollers are provided and are distributed at the rear end of the bottom side of the frame, the pads are arranged at the front end of the bottom side of the frame, a groove is opened on the end surface of the bottom side of the frame, and handles are installed on the support rods on both sides of the top side of the frame. When the frame is moved, the hand can hold the handle to make the frame tilt up, and then the frame can be moved by the rollers. When the frame is fixed for use, the pads can improve the stability of the mobile frame;

[0015] A grip frame, comprising a handle, a mounting plate and a spring, wherein the spring is sleeved on the top side and the middle support rod of the frame body, the mounting plate is movably sleeved on the top side and the middle support rod of the frame body and connected to the spring, handles are integrally formed at both ends of the mounting plate, and a mounting hole is provided on the mounting plate. When in use, the handle is held so that the handle drives the mounting plate to compress the spring downward;

[0016] A sampling structure is installed on a mounting plate. The sampling structure can move downward with the mounting plate and take samples. The sampling structure includes a hand drill body, a spiral drill bit and a fixing frame, wherein the fixing frame is installed on one side of the mounting hole on the mounting plate. The fixing frame includes a frame body, a bottom locking hoop and a limit plate. The frame body is a hollow cylindrical frame with openings on the left and right sides. A plurality of long sliding grooves are provided on the middle outer side of the frame body. The bottom end of the frame body is semicircular. One side of the bottom end of the frame body is integrally formed with a connecting side plate, and the side plate can be fastened to the mounting plate by bolts.

[0017] Preferably, the cross-section of the mounting hole is in a convex shape, and a rotatable support plate is installed at the side opening of the mounting hole. The size of the mounting hole is larger than the size of the electric drill body and the spiral drill bit. The electric drill body and the spiral drill bit can be extended into the inner side of the frame body through the side opening of the mounting hole and fixed by the bottom locking hoop and the limit plate. The sampling structure fixes the electric drill body to the mounting plate through the fixing frame. When the device is disassembled, the fixing frame can be removed first, and then the support plate can be rotated to make the side opening of the mounting hole in an open state, and then the electric drill body and the spiral drill bit can be taken out.

[0018] Preferably, the bottom locking hoop is hinged to the bottom end of the frame and is in a semicircular shape that matches the bottom end of the frame. The hand drill body can be inserted into the frame body through an opening on the side of the frame. A spiral drill head for sampling is installed at the lower end of the hand drill body. The limiting plate is in a ring shape and is sleeved outside the frame and slidably connected to the long slide groove. The limiting plate is provided with a nut for sliding limiting and a plurality of limiting bolts for locking the upper end of the hand drill body.

[0019] Preferably, a plurality of limit bolts are also provided on the inner side of the bottom locking hoop, and the bottom locking hoop can rotate relative to the bottom of the frame and use the plurality of limit bolts to lock the lower end of the hand drill body. The bottom locking hoop and the limit plate are used to position the upper end and the lower end of the hand drill body respectively. When the hand drill body is removed, the limit bolts are first adjusted to keep the limit bolts away from the hand drill body, and then the bottom locking hoop is rotated to open the bottom locking hoop. At this time, the hand drill body is free of any constraints and can be removed from the mounting hole.

[0020] Preferably, the groove body at the bottom side of the frame body is arranged in a semicircular shape, and the position of the groove body may correspond to the position of the spiral drill bit, and the spiral drill bit may pass through the groove body and sample the concrete at the bottom side of the frame body.

[0021] Compared with the prior art, the beneficial effects of the utility model are:

[0022] 1. The whole device of the utility model is small in size and adopts a portable structure, which can be quickly installed and disassembled to meet the needs of movement and transportation.

[0023] 2. The utility model is provided with a grip frame and a fixing frame, wherein the fixing frame can quickly install the hand drill body and fix it firmly, and when the grip frame is used, the user only needs to hold the grip frame, press down the mounting plate to make the hand drill body and the spiral drill bit move downward to take samples, which is more labor-saving to operate, and the operator's hand does not touch the spiral drill bit, so that the safety is better. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 The overall structure of the utility model is shown in FIG. Figure 1 ;

[0025] Figure 2 The overall structure of the utility model is shown in FIG. Figure 2 ;

[0026] Figure 3 It is a structural schematic diagram of the mobile frame and the handle frame in the embodiment of the utility model;

[0027] Figure 4 It is a structural schematic diagram of the sampling structure in the embodiment of the utility model.

[0028] In the figure: 1. frame; 2. roller; 3. spacer; 4. support rod; 5. trough; 6. handle; 7. handle; 8. mounting plate; 9. spring; 10. electric drill body; 11. spiral drill bit; 12. fixing frame; 121. frame; 122. bottom locking hoop; 123. limit plate; 124. long slide groove; 125. limit bolt; 126. side plate; 13. mounting hole; 14. support plate. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] In the description of the present invention, it should be noted that the terms "vertical", "up", "down", "horizontal", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0031] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0032] The utility model provides a technical solution: an asphalt concrete sampling device, which is developed based on a hand-held electric drill type sampler. The whole device is small in size and adopts a portable structure, which can be quickly installed and disassembled to meet the needs of mobility and transportation.

[0033] Example 1: Please refer to Figure 1 , Figure 2 , an asphalt concrete sampling device, including a mobile frame, including a frame 121, a roller 2, a pad 3, and support rods 4 arranged on both sides and the middle of the top side of the frame 121, the roller 2 is provided with two groups and is distributed at the rear end of the bottom side of the frame 121, the pad 3 is arranged at the front end of the bottom side of the frame 121, the bottom side end surface of the frame 121 is provided with a groove 5, and the support rods 4 on both sides of the top side of the frame 121 are installed with handles 6. When the frame 121 moves, the hand can be held on the handle 6 to make the frame 121 tilted, and then the frame 121 can be moved through the roller 2. When the frame 121 is fixed for use, the pad 3 can improve the stability of the mobile frame;

[0034] A grip frame, comprising a handle 7, a mounting plate 8 and a spring 9, wherein the spring 9 is sleeved on the top side of the frame body 121 and the middle support rod 4, the mounting plate 8 is movably sleeved on the top side of the frame body 121 and the middle support rod 4 and connected to the spring 9, the mounting plate 8 has handles 7 integrally formed at both ends, and a mounting hole 13 is provided on the mounting plate 8. When in use, the handle 7 is held so that the handle 7 drives the mounting plate 8 to compress the spring 9 downward;

[0035] A sampling structure is installed on the mounting plate 8. The sampling structure can move downward with the mounting plate 8 and perform sampling. The sampling structure includes a hand drill body 10, a spiral drill bit 11 and a fixing frame 12, wherein the fixing frame 12 is installed on one side of the mounting hole 13 on the mounting plate 8.

[0036] See also Figure 3 In the present embodiment, the cross-section of the mounting hole 13 is in a convex shape, and a rotatable support plate 14 is installed at the side opening of the mounting hole 13. The size of the mounting hole 13 is larger than the size of the hand drill body 10 and the spiral drill bit 11. The hand drill body 10 and the spiral drill bit 11 can be extended into the inner side of the frame body 121 through the side opening of the mounting hole 13 and fixed by the bottom locking hoop 122 and the limit plate 123. The sampling structure fixes the hand drill body 10 on the mounting plate 8 through the fixing frame 12. When the device is disassembled, the fixing frame 12 can be removed first, and then the support plate 14 can be rotated to open the side opening of the mounting hole 13, and then the hand drill body 10 and the spiral drill bit 11 can be taken out.

[0037] Example 2: Please refer to Figure 1 , Figure 2 , Figure 4 In this embodiment, the fixing frame 12 includes a frame body 121, a bottom locking hoop 122 and a limiting plate 123, wherein the frame body 121 is a hollow cylindrical frame with openings on the left and right sides, a plurality of long slide grooves 124 are provided on the middle outer side of the frame body 121, and the bottom end of the frame body 121 is semicircular in shape, and one side of the bottom end of the frame body 121 is integrally formed with a connecting side plate 126, which can be fastened to the mounting plate 8 by bolts.

[0038] In this embodiment, the bottom locking hoop 122 is hinged to the bottom end of the frame 121 and is in a semicircular shape that matches the bottom end of the frame 121. The hand drill body 10 can be inserted into the frame 121 through the opening on the side of the frame 121. A spiral drill head 11 for sampling is installed at the lower end of the hand drill body 10. The limiting plate 123 is in a ring shape and is sleeved outside the frame 121 and slidably connected to the long slide groove 124. The limiting plate 123 is provided with a nut for sliding limiting and a plurality of limiting bolts 125 for locking the upper end of the hand drill body 10.

[0039] In this embodiment, a plurality of limiting bolts 125 are also provided inside the bottom locking hoop 122. The bottom locking hoop 122 can rotate relative to the bottom of the frame 121 and use the plurality of limiting bolts 125 to lock the lower end of the hand drill body 10. The bottom locking hoop 122 and the limiting plate 123 are used to position the upper end and the lower end of the hand drill body 10 respectively. When the hand drill body 10 is removed, the limiting bolts 125 are first adjusted to keep the limiting bolts 125 away from the hand drill body 10, and then the bottom locking hoop 122 is rotated to open the bottom locking hoop 122. At this time, the hand drill body 10 is free of any constraints and can be removed from the mounting hole 13.

[0040] In this embodiment, the groove body 5 on the bottom side of the frame body 121 is arranged in a semicircular shape. The position of the groove body 5 can correspond to the position of the spiral drill bit 11. The spiral drill bit 11 can pass through the groove body 5 and sample the concrete on the lower side of the frame body 121.

[0041] Working principle: When in use, first fix the fixing frame 12 on the mounting plate 8 by bolts, and the fixing frame 12 is located close to the mounting hole 13. Then, the electric drill body 10 and the spiral drill bit 11 are extended from the side opening of the mounting hole 13 to the inside of the mounting hole 13, and the electric drill body 10 and the spiral drill bit 11 are extended into the inside of the frame body 121. Then, the bottom locking hoop 122 is rotated so that the bottom locking hoop 122 locks the bottom of the frame body 121. The lower end of the electric drill body 10 is limited and fixed by the limiting bolts 125 on the bottom locking hoop 122. Finally, the limiting plate 123 is moved so that the limiting plate 123 presses against the upper end of the electric drill body 10, and then the upper end of the electric drill body 10 is limited by the multiple limiting bolts 125 on the limiting plate 123.

[0042] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An asphalt concrete sampling device, characterized in that: include: A mobile frame comprises a frame body (121), a roller (2) arranged at the bottom side of the frame body (121), a cushion block (3), and support rods (4) arranged at both sides and the middle of the top side of the frame body (121); a groove body (5) is formed on the end surface of the bottom side of the frame body (121); and handles (6) are installed on the support rods (4) at both sides of the top side of the frame body (121); A grip frame, comprising a handle (7), a mounting plate (8) and a spring (9), wherein the spring (9) is sleeved on the top side of the frame body (121) and the middle support rod (4), the mounting plate (8) is movably sleeved on the top side of the frame body (121) and the middle support rod (4) and connected to the spring (9), the mounting plate (8) is integrally formed with the handle (7) at both ends, and a mounting hole (13) is provided on the mounting plate (8); A sampling structure comprises a hand-held electric drill body (10), a spiral drill bit (11) and a fixing frame (12), wherein the fixing frame (12) is mounted on one side of a mounting hole (13) on a mounting plate (8), and the fixing frame (12) comprises a frame body (121), a bottom locking hoop (122) and a limit plate (123), wherein the frame body (121) is a hollow cylindrical frame with openings on the left and right sides, a plurality of long sliding grooves (124) are arranged on the middle outer side of the frame body (121), the bottom end of the frame body (121) is semicircular, and a connecting side plate (126) is integrally formed on one side of the bottom end of the frame body (121), and the side plate (126) can be fastened to the mounting plate (8) by bolts.

2. An asphalt concrete sampling device according to claim 1, characterized in that: The rollers (2) are provided in two groups and are distributed at the rear end of the bottom side of the frame (121), and the cushion block (3) is provided at the front end of the bottom side of the frame (121).

3. The asphalt concrete sampling device according to claim 1, characterized in that: The bottom locking hoop (122) is hinged to the bottom end of the frame (121) and is in a semicircular shape that matches the bottom end of the frame (121). The electric hand drill body (10) can be inserted into the frame (121) through an opening on the side of the frame (121). A spiral drill bit (11) for sampling is installed at the lower end of the electric hand drill body (10).

4. The asphalt concrete sampling device according to claim 1, characterized in that: The limiting plate (123) is in the shape of a ring and is sleeved outside the frame (121) and is slidably connected to the long slide groove (124). The limiting plate (123) is provided with a nut for sliding limiting and a plurality of limiting bolts (125) for locking the upper end of the hand electric drill body (10).

5. The asphalt concrete sampling device according to claim 3, characterized in that: The inner side of the bottom locking hoop (122) is also provided with a plurality of limiting bolts (125); the bottom locking hoop (122) can rotate relative to the bottom of the frame (121) and use the plurality of limiting bolts (125) to lock the lower end of the hand drill body (10).

6. The asphalt concrete sampling device according to claim 1, characterized in that: The cross section of the mounting hole (13) is in the shape of a convex letter, and a rotatable support plate (14) is installed at the side opening of the mounting hole (13). The size of the mounting hole (13) is larger than the size of the hand-held electric drill body (10) and the spiral drill bit (11). The hand-held electric drill body (10) and the spiral drill bit (11) can extend into the inner side of the frame body (121) through the side opening of the mounting hole (13) and be fixed by the bottom locking hoop (122) and the limiting plate (123).

7. The asphalt concrete sampling device according to claim 1, characterized in that: The groove body (5) at the bottom side of the frame body (121) is arranged in a semicircular shape, and the position of the groove body (5) can correspond to the position of the spiral drill bit (11). The spiral drill bit (11) can pass through the groove body (5) and sample the concrete at the bottom side of the frame body (121).

Images