Building asphalt laying thickness detection device

Abstract

The utility model discloses a building asphalt laying thickness detection device, which belongs to the technical field of asphalt thickness detection equipment, and comprises a shell, an inner thread is arranged in the shell; the motor is arranged at the top of the shell; the telescopic sleeve is arranged in the shell; the measuring mechanism is arranged on the telescopic sleeve; the transmission rod is arranged in the shell; and the drilling assembly is arranged in the cavity of the transmission rod. According to the asphalt thickness measuring device, the drilling assembly is driven by the transmission rod to rapidly drill into laid asphalt, and meanwhile, the measuring mechanism is arranged on the telescopic sleeve to measure the length change of the telescopic sleeve, so that the asphalt thickness can be obtained. The defect that in the prior art, the efficiency is low when the pavement asphalt laying thickness is measured through manual punching is effectively overcome, and the technical effect that the measurement accuracy is guaranteed while rapid measurement is achieved is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of asphalt thickness detection equipment, in particular to a device for detecting the thickness of building asphalt paving. Background Art

[0002] The laying thickness of asphalt pavement is one of the important indicators for evaluating the quality of road construction. Appropriate thickness can ensure the bearing capacity and durability of the pavement, and reduce pavement damage and maintenance costs caused by insufficient thickness. During construction or daily maintenance, it is usually necessary to test the thickness of asphalt. Through strict thickness testing, problems in construction can be discovered in time, such as uneven thickness, local thinness or thickness, etc., so that corresponding remedial measures can be taken to ensure the overall quality of the road. In the prior art, workers usually use manual punching measurement to measure the thickness of asphalt. However, after the asphalt is laid on the road surface, it will quickly cool and solidify, causing the asphalt to harden, resulting in slow efficiency for workers to punch holes to measure the thickness of the asphalt laid on the road surface, and it is difficult to ensure measurement accuracy. Utility Model Content

[0003] In order to solve the above problems, the utility model provides a device for detecting the thickness of building asphalt paving, comprising:

[0004] The outer shell is a hollow cylindrical structure, and an internal thread is arranged inside the outer shell;

[0005] A motor, wherein the motor is fixedly arranged on the top of the housing, and a torque limiter is also arranged on the output shaft of the motor;

[0006] A telescopic sleeve, which is arranged inside the housing and fixedly connected to the output shaft of the motor, and has a square structure;

[0007] A measuring mechanism, the measuring mechanism is arranged on the telescopic sleeve and is used to measure the extended length of the telescopic sleeve;

[0008] A transmission rod, the transmission rod is arranged in the housing, and the transmission rod is fixedly connected to the telescopic sleeve, the transmission rod is provided with an external thread adapted to the internal thread, the transmission rod is threadedly connected to the housing through the internal thread, and a cavity without an end cover is opened at the bottom of the transmission rod;

[0009] A drilling assembly is disposed in the cavity of the transmission rod, the drilling assembly is detachably connected to the transmission rod, and the drilling assembly is used for drilling into the interior of the laid asphalt.

[0010] Optionally, the drilling assembly comprises:

[0011] A mounting tube, wherein the mounting tube is disposed in the cavity, the mounting tube is adapted to the cavity, and the mounting tube is detachably connected to the transmission rod;

[0012] A heating part, which is disposed in the mounting tube and fixedly connected to the mounting tube, and is used to generate heat and transfer heat;

[0013] A drill bit is fixedly arranged at the bottom end of the mounting tube, and the drill bit is fixedly connected to the heating part.

[0014] Optionally, the heating unit comprises:

[0015] A built-in power supply, wherein the built-in power supply is disposed in the mounting tube, and the built-in power supply is detachably connected to the mounting tube;

[0016] A power terminal, the power terminal being fixedly disposed in the mounting tube, the power terminal being located at the bottom of the built-in power supply, and the power terminal being electrically connected to the built-in power supply;

[0017] An electric heating conductor, which is arranged at the bottom end of the power terminal and is fixedly connected to the drill bit;

[0018] Optionally, the transmission rod is provided with a through hole, the through hole is located outside the cavity provided on the transmission rod, and the mounting tube is provided with a spring rod matched with the through hole.

[0019] Optionally, a control console is also provided on the housing, and the control console is connected to the motor and the measuring mechanism via telecommunication, and is used to view the data measured by the measuring mechanism and control the start and stop of the motor.

[0020] Optionally, a groove is further provided in the cavity, and an insert block matching the groove is fixedly provided on the mounting tube.

[0021] Optionally, the measuring mechanism is a distance sensor.

[0022] Optionally, an auxiliary bottom plate is provided at the bottom end of the shell, and a plurality of reinforcing ribs are fixedly provided between the auxiliary bottom plate and the shell.

[0023] Optionally, handles are symmetrically arranged on both sides of the shell, and both handles are fixedly connected to the shell.

[0024] By adopting the above technical solution, the utility model mainly has the following technical effects:

[0025] In the utility model, the motor drives the telescopic sleeve to rotate, thereby driving the transmission rod to rotate and move in the housing, so that the drilling assembly can quickly drill into the laid asphalt. At the same time, by setting a measuring mechanism on the telescopic sleeve, the asphalt thickness can be obtained by measuring the length change of the telescopic sleeve. That is, the disadvantage of the prior art that the efficiency of measuring the thickness of the road asphalt by manual drilling is slow is effectively solved, and the technical effect of fast measurement and ensuring the accuracy of measurement is achieved. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 This is a structural schematic diagram of a device for detecting the thickness of building asphalt paving according to the utility model;

[0027] Figure 2 This is a schematic diagram of the disassembled structure of a device for detecting the thickness of building asphalt paving according to the utility model;

[0028] Figure 3 for Figure 2 The enlarged structural diagram at A in the middle;

[0029] Figure 4 It is a partial cross-sectional structural schematic diagram of a device for detecting thickness of building asphalt paving according to the utility model;

[0030] Figure 5 for Figure 4 Enlarged structural diagram at B in the middle.

[0031] The meanings of the reference numerals are as follows:

[0032] 1. Shell; 11. Console; 12. Auxiliary bottom plate; 121. Reinforcement ribs; 13. Handle;

[0033] 2. Motor; 21. Torque limiter;

[0034] 3. Telescopic sleeve;

[0035] 4. Measurement mechanism;

[0036] 5. Transmission rod; 51. Through hole; 52. Groove;

[0037] 6. Drilling assembly; 61. Mounting tube; 611. Spring rod; 612. Insert block; 62. Heating unit; 621. Built-in power supply; 622. Power supply terminal; 623. Electric heating conductor; 63. Drill bit. DETAILED DESCRIPTION

[0038] In order to enable those skilled in the art to better understand the solution of the utility model, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the specification of the utility model. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiments of 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.

[0039] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present invention. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0040] See also Figure 1-Figure 5 The utility model provides a device for detecting the thickness of asphalt paving in construction. In practical application, in order to improve the detection efficiency of the thickness of asphalt paving on a road surface, the device comprises a housing 1, a motor 2 connected to the housing 1, a telescopic sleeve 3 arranged in the housing 1, a measuring mechanism 4 arranged on the telescopic sleeve 3, a transmission rod 5 connected to the telescopic sleeve 3, and a drilling assembly 6 connected to the rotating rod.

[0041] Specifically, the outer shell 1 is a hollow cylindrical structure with a through-hole arrangement at the top and bottom. The outer shell 1 is used to protect the internal components and prolong the service life.

[0042] The motor 2 is arranged on the top of the housing 1 and is fixedly connected to the housing 1. The motor 2 is vertically arranged along the axial direction of the housing 1, that is, the output shaft of the motor 2 faces the inner center of the housing 1 and is coaxially arranged with the housing 1.

[0043] The telescopic sleeve 3 is arranged inside the outer shell 1, and the top end of the telescopic sleeve 3 is fixedly connected to the output shaft of the motor 2, wherein the telescopic sleeve 3 is composed of an outer cylinder and an inner cylinder, that is, the top end of the outer cylinder in the telescopic sleeve 3 is connected to the output shaft of the motor 2, and starting the motor 2 can drive the telescopic sleeve 3 to rotate. The telescopic sleeve 3 is a square structure, and when the telescopic sleeve 3 rotates, the side bearing capacity of the telescopic sleeve 3 can be strengthened to improve stability.

[0044] The measuring mechanism 4 is arranged on the telescopic sleeve 3. The measuring mechanism 4 is a distance sensor, which is a prior art. It includes ultrasonic sensors, infrared sensors and other sensors for measuring distance changes. For example, the infrared distance sensor measures the distance by emitting infrared rays and receiving reflected infrared rays. The emitted infrared light will be reflected when encountering an object, and the reflected infrared light will be captured by the receiver. By calculating the reflection time and the propagation speed of the infrared rays, the distance of the object can be calculated. The measuring mechanism 4 is used to measure the extension distance of the inner tube of the telescopic sleeve 3 from the outer tube.

[0045] The transmission rod 5 is arranged in the outer shell 1, and the transmission rod 5 is fixedly connected to the bottom end of the telescopic sleeve 3, that is, the transmission rod 5 is connected to the bottom end of the inner tube in the telescopic sleeve 3, and the rotation of the telescopic sleeve 3 can drive the transmission rod 5 to rotate. The outer shell 1 is provided with an internal thread, and the outer side of the transmission rod 5 is also provided with an external thread adapted to the internal thread. The transmission rod 5 is threadedly connected to the outer shell 1. Through the cooperation of the internal thread and the external thread, the transmission rod 5 moves in the outer shell 1 while rotating, and the moving distance is equal to the distance that the inner tube of the telescopic sleeve 3 extends from the outer tube.

[0046] The bottom of the transmission rod 5 is also provided with a cavity without an end cover, and the drilling assembly 6 is arranged in the cavity. The drilling assembly 6 is used to drill holes for laying asphalt. The drilling assembly 6 is detachably connected to the transmission rod 5 so as to facilitate disassembly and maintenance of the drilling assembly 6. A groove 52 is arranged in the cavity of the transmission rod 5, and an insert block 612 adapted to the groove 52 is fixedly arranged on the drilling assembly 6. The insert block 612 cooperates with the groove 52, so that the transmission rod 5 drives the drilling assembly 6 to rotate synchronously when rotating.

[0047] In this embodiment, the drilling assembly 6 includes a mounting tube 61, a heating portion 62 disposed in the mounting tube 61, and a drill bit 63 connected to the mounting tube 61. Specifically, the mounting tube 61 is disposed in the cavity, and the cross-sectional diameter of the mounting tube 61 is adapted to the cavity size of the transmission rod 5, that is, the mounting tube 61 can fit the inner wall of the cavity of the transmission rod 5 to improve the airtightness, and the mounting tube 61 and the transmission rod 5 are detachably connected, wherein, in order to facilitate the quick disassembly and assembly between the mounting tube 61 and the transmission rod 5, a through hole 51 penetrating the transmission rod 5 is provided on the transmission rod 5, and the through hole 51 is located at the transmission rod 5. A cavity is provided on the outside, and a spring rod 611 adapted to the through hole 51 is fixedly provided on the mounting tube 61. After the mounting tube 61 is inserted into the cavity of the transmission rod 5, the spring rod 611 is inserted into the through hole 51 under the action of elastic force, and the mounting tube 61 is fixedly installed in the cavity so that it is fixedly connected with the transmission rod 5 to prevent it from slipping out of the cavity. When disassembling the mounting tube 61, the spring rod 611 is pressed out of the through hole 51 to make the mounting tube 61 slide out of the cavity to complete the disassembly.

[0048] The heating part 62 is disposed in the mounting tube 61 and fixedly connected to the mounting tube 61 . The heating part 62 is used to generate heat and transfer the heat to other components connected thereto.

[0049] In this embodiment, the heating part 62 includes a built-in power supply 621, a power supply terminal 622 electrically connected to the built-in power supply 621, and an electric heating conductor 623 electrically connected to the power supply terminal 622. Specifically, the built-in power supply 621 is arranged in the mounting tube 61, and the built-in power supply 621 is detachably connected to the mounting tube 61, so as to facilitate timely replacement and ensure sufficient power of the power supply. The power supply terminal 622 is fixedly arranged in the mounting tube 61, the power supply terminal 622 is located at the bottom end of the built-in power supply 621, and the power supply terminal 622 is electrically connected to the built-in power supply 621, and is used to guide and transmit the power of the built-in power supply 621. The electric heating conductor 623 is arranged at the bottom end of the power supply terminal 622, and the electric heating conductor 623 is fixedly connected to the drill bit 63. After the electric energy stored in the built-in power supply 621 is transmitted to the electric heating conductor 623 through the power supply terminal 622, it is converted into heat energy through the thermal effect of the current passing through the resistor.

[0050] The drill bit 63 is fixedly arranged at the bottom end of the mounting tube 61, and the drill bit 63 is fixedly connected to the heating part 62. The heat generated by the heating part 62 is transferred to the drill bit 63 to heat the drill bit 63. That is, when it is necessary to perform drilling detection on the thickness of the laid asphalt, the built-in power supply 621 is placed in the mounting tube 61, and the electric power can be transferred through the power terminal 622 to make the electric heating conductor 623 heat up, and the heat is transferred to the drill bit 63. The heat in the drill bit 63 is transferred to the asphalt in contact with it, accelerating the melting of the asphalt by heat, so as to improve the detection efficiency. Preferably, the drill bit 63 is made of a hard alloy material, such as tungsten carbide and titanium carbide, so as to improve the efficiency of heat transfer while ensuring the hardness of the drill bit 63.

[0051] In this embodiment, a control console 11 is fixedly provided on the housing 1 , and the control console 11 is connected to the motor 2 and the measuring mechanism 4 via telecommunication. The staff can view the data measured by the measuring mechanism 4 and control the start and stop of the motor 2 through the control console 11 .

[0052] In this embodiment, a torque limiter 21 is further provided on the output shaft of the motor 2. When the drill bit 63 contacts the roadbed, the torque of the motor 2 will increase instantly. At this time, the torque limiter 21 will immediately disconnect the power transmission, causing the telescopic sleeve 3 to stop rotating, thereby causing the drill bit 63 to stop rotating. The torque limiter 21, also called an overload protector or a torque shear pin, is an important safety device for protecting the transmission system in mechanical equipment. It includes components such as a disengagement structure and a load-bearing structure. It is a prior art and will not be described in detail here.

[0053] In this embodiment, when it is necessary to detect the thickness of the asphalt paving, the staff holds the shell 1 and places the shell 1 on the asphalt paving surface and perpendicular to the asphalt paving surface. At this time, the motor 2 is started again, and the output shaft of the motor 2 rotates, thereby driving the telescopic sleeve 3 to rotate, and then driving the transmission rod 5 to rotate. Under the action of the external thread on the transmission rod 5 and the internal thread in the shell 1, the transmission rod 5 moves toward the bottom end of the shell 1 while rotating, driving the drilling assembly 6 to drill the laid asphalt. At the same time, the movement of the transmission rod 5 in the shell 1 will cause the telescopic sleeve 3 to extend during the drilling process of the laid asphalt. During the process, due to the different densities of the asphalt layer and the roadbed, when the drill bit 63 contacts the roadbed, the output torque of the motor 2 changes, and the torque limiter 21 disconnects the power transmission to the telescopic sleeve 3, so that the transmission rod 5 no longer rotates, and the length of the telescopic sleeve 3 no longer changes. The extended length of the telescopic sleeve 3 is equal to the distance moved by the transmission rod 5, and the distance moved by the transmission rod 5 is the thickness of the paved asphalt, that is, the extended length of the telescopic sleeve 3 is the thickness of the paved asphalt. The measuring mechanism 4 feeds back the measured extended length data of the telescopic sleeve 3 to the console 11, and the staff can check the thickness of the paved asphalt. That is, the disadvantage of slow efficiency in the prior art of manually punching holes to measure the thickness of the road asphalt paving is effectively solved, and the technical effect of fast measurement and ensuring the accuracy of measurement is achieved.

[0054] In some preferred embodiments, in order to facilitate the outer shell 1 to maintain a vertical state with the asphalt paving surface, an auxiliary base plate 12 is provided at the bottom end of the outer shell 1 to increase the contact area between the outer shell 1 and the asphalt paving surface and provide a larger plane support so that the outer shell 1 is perpendicular to the asphalt paving surface, and a number of reinforcing ribs 121 are fixedly provided between the auxiliary base plate 12 and the outer shell 1 to improve the overall structural stability.

[0055] In some preferred embodiments, handles 13 are symmetrically provided on both sides of the housing 1, and both handles 13 are fixedly connected to the housing 1, so that the staff can use the handheld device for testing.

[0056] Finally, it should be noted that the embodiments of the present invention disclose only preferred embodiments of the present invention, which are only used to illustrate the technical solutions of the present invention, rather than to limit them. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims

1. A device for detecting the thickness of building asphalt paving, characterized in that: include: An outer shell (1), the outer shell (1) being a cylindrical structure with a hollow interior, and an internal thread is provided inside the outer shell (1); A motor (2), the motor (2) being fixedly arranged on the top of the housing (1), and a torque limiter (21) being further arranged on the output shaft of the motor (2); A telescopic sleeve (3), the telescopic sleeve (3) being arranged inside the housing (1), the telescopic sleeve (3) being fixedly connected to an output shaft of the motor (2), and the telescopic sleeve (3) being a square structure; a measuring mechanism (4), the measuring mechanism (4) being arranged on the telescopic sleeve (3) and being used to measure the extended length of the telescopic sleeve (3); a transmission rod (5), the transmission rod (5) being arranged in the housing (1), and the transmission rod (5) being fixedly connected to the telescopic sleeve (3), the transmission rod (5) being provided with an external thread matching the internal thread, the transmission rod (5) being threadedly connected to the housing (1) via the internal thread, and a cavity without an end cover being provided at the bottom of the transmission rod (5); A drilling assembly (6), the drilling assembly (6) being arranged in the cavity of the transmission rod (5), the drilling assembly (6) being detachably connected to the transmission rod (5), and the drilling assembly (6) being used to drill into the interior of the laid asphalt.

2. A construction asphalt paving thickness detection device according to claim 1, characterized in that: The drilling assembly (6) comprises: a mounting tube (61), the mounting tube (61) being arranged in the cavity, the mounting tube (61) being adapted to the cavity, and the mounting tube (61) being detachably connected to the transmission rod (5); a heating portion (62), the heating portion (62) being disposed in the mounting tube (61) and fixedly connected to the mounting tube (61), the heating portion (62) being used to generate heat and transfer heat; A drill bit (63), the drill bit (63) being fixedly disposed at the bottom end of the mounting tube (61), and the drill bit (63) being fixedly connected to the heating portion (62).

3. A device for detecting thickness of building asphalt paving according to claim 2, characterized in that: The heating unit (62) comprises: A built-in power supply (621), the built-in power supply (621) being arranged in the mounting tube (61), the built-in power supply (621) being detachably connected to the mounting tube (61); A power connection terminal (622), the power connection terminal (622) being fixedly disposed in the mounting tube (61), the power connection terminal (622) being located at the bottom end of the built-in power supply (621), and the power connection terminal (622) being electrically connected to the built-in power supply (621); An electric heating conductor (623), the electric heating conductor (623) being arranged at the bottom end of the power supply terminal (622), and the electric heating conductor (623) being fixedly connected to the drill bit (63).

4. A device for detecting thickness of building asphalt paving according to claim 2, characterized in that: The transmission rod (5) is provided with a through hole (51), the through hole (51) is located outside the cavity provided on the transmission rod (5), and the mounting tube (61) is provided with a spring rod (611) adapted to the through hole (51).

5. A device for detecting thickness of building asphalt paving according to claim 1, characterized in that: The housing (1) is also provided with a control console (11), which is connected to the motor (2) and the measuring mechanism (4) via telecommunications, and is used to view data measured by the measuring mechanism (4) and to control the start and stop of the motor (2).

6. A device for detecting thickness of building asphalt paving according to claim 2, characterized in that: A groove (52) is also provided in the cavity, and an insert block (612) adapted to the groove (52) is fixedly provided on the mounting tube (61).

7. A device for detecting thickness of building asphalt paving according to claim 1, characterized in that: in, The measuring mechanism (4) is a distance sensor.

8. A device for detecting thickness of building asphalt paving according to claim 1, characterized in that: An auxiliary bottom plate (12) is provided at the bottom end of the outer shell (1), and a plurality of reinforcing ribs (121) are provided between the auxiliary bottom plate (12) and the outer shell (1).

9. A device for detecting thickness of building asphalt paving according to claim 1, characterized in that: Handles (13) are symmetrically arranged on both sides of the shell (1), and both handles (13) are fixedly connected to the shell (1).

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