CN209992339U - Automatic needle penetration appearance to needle - Google Patents
Automatic needle penetration appearance to needle Download PDFInfo
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- CN209992339U CN209992339U CN201920519155.4U CN201920519155U CN209992339U CN 209992339 U CN209992339 U CN 209992339U CN 201920519155 U CN201920519155 U CN 201920519155U CN 209992339 U CN209992339 U CN 209992339U
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- needle
- lifting device
- standard
- penetrometer
- inductor
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Abstract
The utility model provides an automatic needle penetration meter, which comprises a base, a lifting device fixed on the base, a needle connecting rod connected with the lifting device, a standard needle, a needle loader and an inductor, wherein the bottom of the needle loader is provided with a needle holder for fixing the preset position of the standard needle at the bottom of the needle connecting rod; the inductor is fixed at the bottom of the lifting device. The utility model provides a needle penetration appearance passes through the needle point that the inductor detected the standard needle and whether reachs the sample surface to with sensing signal transmission to controller, drive the standard needle by controller control elevating gear and stop descending, accomplish automatic, accurate to the needle. The automatic penetrometer is completely automatic in the needle aligning process, accurate in needle aligning, capable of effectively avoiding errors caused by manual operation and capable of improving the reliability of a measuring result.
Description
Technical Field
The utility model relates to a pitch needle penetration detects technical field, especially relates to an automatic needle penetration appearance to needle.
Background
The penetration is a depth of a standard needle of a certain weight vertically penetrating a sample at a prescribed temperature and time, and the penetrometer is an instrument for measuring the penetration of asphalt. When measuring penetration, the needle tip needs to be firstly contacted with the surface of a sample, and the needle tip cannot be inserted into the sample, otherwise, the accuracy and the reliability of the measurement result are influenced.
Because the length specification of standard needle is different, is difficult to control the distance between the needle point of standard needle and the degree of penetration main part during direct mount, and present measuring equipment all needs manual needle to the needle after the installation standard needle. The manual needle alignment is not only low in efficiency, but also has large influence factors and large influence on the reliability of the measuring result. During the needle insertion process, either the needle tip is not in contact with the sample surface or the needle tip is already inserted into the sample surface, it is difficult to control to reach a critical state where the needle tip is just in contact with the sample.
In addition, the influence of the sample temperature during detection on the test result is large, and the sample temperature during test is difficult to accurately acquire in the conventional penetrometer during test.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention is directed to solving the above-described problems. It is an object of the present invention to provide a penetrometer that solves any of the above problems. Specifically, the utility model provides a can be automatic accurate to the penetrometer of needle.
In order to solve the technical problem, the utility model provides an automatic needle penetration meter, which comprises a base, a lifting device fixed on the base, a needle connecting rod connected with the lifting device, a standard needle, a needle loader and an inductor, wherein the bottom of the needle loader is provided with a needle holder for fixing the preset position of the standard needle at the bottom of the needle connecting rod; the inductor is fixed at the bottom of the lifting device;
the penetrometer further comprises a controller, the lifting device and the inductor are electrically connected with the controller, and the controller receives a detection result of the inductor and controls the lifting device to stop running according to the detection result.
The needle installing device is of an L-shaped structure and comprises a vertical rod, and one side of the needle support is fixedly connected with the bottom end of the vertical rod.
The needle holder is characterized in that a positioning hole is formed in the middle of the needle holder and used for placing a standard needle to be installed, and the central axis of the positioning hole is parallel to the vertical rod.
The vertical rod of the needle loader is of a telescopic structure, and scales are arranged on the vertical rod.
Wherein the sensor is a proximity sensor.
Wherein, a top suction type connecting structure is arranged between the top end of the needle connecting rod and the bottom end of the lifting device.
The penetrometer further comprises a water tank positioned on the base, a temperature sensor is arranged in the water tank, and the temperature sensor is in signal connection with the controller.
The utility model provides a needle penetration appearance passes through the needle point that the inductor detected the standard needle and whether reachs the sample surface to with sensing signal transmission to controller, drive the standard needle by controller control elevating gear and stop descending, accomplish automatic, accurate to the needle. The automatic penetrometer is completely automatic in the needle aligning process, accurate in needle aligning, capable of effectively avoiding errors caused by manual operation and capable of improving the reliability of a measuring result.
Other characteristic features and advantages of the invention will become apparent from the following description of exemplary embodiments, which is to be read in connection with the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention. In the drawings, like reference numerals are used to indicate like elements. The drawings in the following description are directed to some, but not all embodiments of the invention. For a person skilled in the art, other figures can be derived from these figures without inventive effort.
Fig. 1 schematically shows a schematic structural view of an automatic penetrometer according to the invention;
fig. 2 schematically shows the installation of a standard needle.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. It should be noted that the embodiments and features of the embodiments in the present application may be arbitrarily combined with each other without conflict.
The utility model discloses a needle penetration appearance sets up the inductor in elevating gear's bottom, and the needle point of standard needle and the sense terminal parallel and level of inductor utilize the position on inductor real-time detection sample surface when making the test, detect signal when the sense terminal contact sample surface of inductor, the needle point of explanation standard needle also with sample surface contact, at this moment, the inductor sends signal to the controller, control elevating gear shut down behind the controller received signal, accomplish the accuracy and to the needle. This process need not the staff and carries out artifical aim at and naked eye discernment, effectively avoids the artifical error that brings, ensures the accuracy of aiming at, provides the guarantee for follow-up measuring result's reliability. And the standard needle to different specifications probably will be adopted to the sample of difference, the utility model discloses a needle penetration appearance still includes and takes scale, telescopic needle ware for the standard needle of different specifications is installed, guarantees the needle point of standard needle and the detection end looks parallel and level of inductor simultaneously.
The automatic penetrometer according to the present invention will be described in detail with reference to the accompanying drawings.
Fig. 1 shows a schematic structural diagram of a specific embodiment of the automatic penetrometer of the present invention, fig. 2 is a schematic installation diagram of a standard needle in an embodiment, and fig. 1 and fig. 2 are comprehensively referred to. The needle holder 51 is arranged at the bottom of the needle loader 5 and is used for fixing the preset position of the standard needle 4 at the bottom of the needle connecting rod 3, namely, the standard needle 4 with the preset specification for detection is installed, and meanwhile, the needle point height of the standard needle 4 is determined in the installation process, so that the needle alignment is convenient to be accurate. The inductor 6 is fixed at the bottom of the lifting device 2, and the detection end (bottom end) of the inductor 6 is flush with the needle point of the standard needle 4, and is used for detecting whether the needle point of the standard needle 4 reaches the surface of the sample 10 to be detected.
Further, for improving the degree of automation to needle process and testing process, the utility model discloses a needle penetration appearance still includes controller 7, and elevating gear 2 and inductor 6 all are connected with 7 electricity of controller, by the operation of controller and open and stop. Specifically, the controller 7 receives the detection result of the sensor 6 in real time, and controls the lifting device 2 to stop running according to the detection result, so as to complete automatic and accurate needle alignment.
In practice, different gauge standard needles 4 are required for different test specimens 10. The utility model discloses in, to the standard needle 4 of different specifications, set up corresponding fixed height's needle loader 5 respectively, can directly confirm the position of the standard needle 4 installation back needle point of this kind of specification through the height of needle loader 5 promptly, guarantee the needle point of standard needle 4 and the sense terminal parallel and level of inductor 6. Under the condition, after the sensor 6 senses a surface signal of the sample 10 to be measured, it is stated that the needle point of the standard needle 4 contacts the surface of the sample 10 to be measured, then the sensor 6 sends a signal to the controller 7, and the controller 7 controls the lifting device 2 to stop running, so that the needle point of the standard needle 4 is effectively guaranteed to stay on the surface of the sample 10 to be measured, and the needle is accurately aligned.
In order to facilitate the determination of the distance between the installed needle point of the standard needle 4 and the bottom of the main body of the lifting device 2 according to the height of the needle loader 5, in the device of the present invention, the needle loader 5 is an L-shaped structure, including a vertical rod 52, and one side of the needle holder 51 is fixedly connected to the bottom end of the vertical rod 52.
Specifically, the middle part of the needle holder 51 is provided with a positioning hole 510 for placing the standard needle 4 to be installed, and the central axis of the positioning hole 510 is parallel to the vertical rod 52. Meanwhile, no matter the positioning hole 510 is a counter bore or a through hole, it is only required to ensure that the bottom end of the positioning hole 510 (i.e., the needle point of the standard needle 4) is flush with the bottom end of the upright rod 52 or the vertical distance in the height direction is determined; for example, after the standard needle 4 is placed in the positioning hole 510, the needle point is 2mm or 5mm lower than the bottom end of the upright rod 52; for another example, the depth of the positioning hole 510 is smaller than the thickness of the needle holder 51 by a first predetermined distance, and the bottom end of the needle holder 51 is lower than or higher than (or can be flush with) the bottom end of the vertical rod 51 by a second predetermined distance. When the standard needle 4 is installed, the standard needle 4 is placed in the positioning hole 510, the top of the upright rod 52 is flush with the bottom of the main body of the lifting device 2, and the needle point of the standard needle 4 can be directly (the bottom end of the positioning hole 510 is flush with the bottom end of the upright rod 52) or indirectly (the bottom end of the positioning hole 510 is not flush with the bottom end of the upright rod 52, but the vertical distance between the bottom end of the positioning hole 510 and the bottom end of the upright rod 52 is determined) to be flush with the detection end (bottom end) of the sensor.
It should be noted that the bottom end of the positioning hole 510 is a tapered structure, which is adapted to the shape of the needle tip portion of the standard needle 4, so as to ensure that the standard needle 4 is installed upright and the accurate needle tip is flush with the detection end (i.e. the bottom end) of the sensor 6.
In another exemplary embodiment, the upright 52 of the needle holder 5 can also be designed as a telescopic structure, and the upright 52 is provided with a scale. During installation and use, aiming at standard needles with different specifications, the upright rod 52 of the needle installing device 5 only needs to stretch to a corresponding scale position; then, the standard needle 4 is held to a height capable of being fixedly installed only by the needle holder 51 and fixed with the bottom end of the needle connecting rod 3, and the needle point of the standard needle 4 is flush with the detection end of the sensor 6.
It should be noted that, in the penetrometer of the present invention, the sensor 6 is selected as a proximity sensor. When the detection end of the proximity sensor contacts the surface of the sample 10 to be detected, a confirmation signal is sent to the controller 7, the controller 7 controls the lifting device 2 to stop running, and the needle point of the standard needle 4 which is flush with the detection end of the proximity sensor stays on the surface of the sample 10 to be detected, so that accurate needle alignment is completed.
In the present invention, a connection structure is provided between the top end of the needle link 3 and the bottom end of the lifting device 2. Among the automatic penetrometer of current, the connected mode of needle connecting rod mostly adopts the electro-magnet edgewise to block to lead to at the in-process of card, the needle connecting rod can vibrate to some extent, influences the equipment precision. And the utility model discloses in, set up the electro-magnet at the equipment top, effectively guarantee the accuracy of needle connecting rod in installation and use.
Additionally, the utility model discloses a needle penetration appearance is still including being located the basin 8 on base 1, is provided with temperature sensor 81 in the basin 8, and temperature sensor 81 and controller 7 signal connection. The temperature sensor 81 is used for detecting the temperature in the water tank 8 and sending the detection result to the controller 7 so as to detect and ensure the temperature of the environment (water tank) where the sample 10 to be detected is located during the test, and meanwhile, the measurement and detection results are beneficial to subsequent statistics and research.
Specifically, the controller 7 is provided with a signal receiving module and a signal sending module, the signal receiving module is used for receiving signals or detection results of the sensor 6 and/or the temperature sensor 81, and the signal sending module is used for sending a stop signal to the lifting device 2. In addition, for the convenience of research and statistics, a storage module may be further disposed in the controller 7 for storing the detection result of the temperature sensor 81 and the final penetration detection result of the sample corresponding to the detection result in real time.
The above-described embodiments can be implemented individually or in various combinations, and such variations are within the scope of the present invention.
It is to be noted that, in this document, the terms "comprises", "comprising" or any other variation thereof are intended to cover a non-exclusive inclusion, so that an article or apparatus including a series of elements includes not only those elements but also other elements not explicitly listed or inherent to such article or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of additional like elements in the article or device comprising the element.
The above embodiments are merely for illustrating the technical solutions of the present invention and are not to be construed as limiting, and the present invention is described in detail with reference to the preferred embodiments. It should be understood by those skilled in the art that various modifications and equivalent substitutions may be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention, and all the modifications and equivalents should be covered by the scope of the claims of the present invention.
Claims (7)
1. An automatic needle-aiming penetrometer comprises a base (1), a lifting device (2) fixed on the base (1), a needle connecting rod (3) connected with the lifting device (2) and a standard needle (4), and is characterized by further comprising a needle loader (5) and an inductor (6), wherein a needle holder (51) is arranged at the bottom of the needle loader (5) and used for fixing a preset position of the standard needle (4) at the bottom of the needle connecting rod (3); the inductor (6) is fixed at the bottom of the lifting device (2);
the penetrometer further comprises a controller (7), the lifting device (2) and the inductor (6) are electrically connected with the controller (7), and the controller (7) receives a detection result of the inductor (6) and controls the lifting device (2) to stop running according to the detection result.
2. The penetrometer according to claim 1, characterized in that the needle holder (5) is an L-shaped structure comprising an upright (52), one side of the needle holder (51) being fixedly connected to the bottom end of the upright (52).
3. A penetrometer as claimed in claim 2, characterized in that the needle holder (51) is provided with a positioning hole (510) in the middle for placing a standard needle (4) to be mounted, the central axis of the positioning hole (510) being parallel to the vertical rod (52).
4. The penetrometer according to claim 1, characterized in that the upright (52) of the needle loader (5) is of a telescopic construction and that the upright (52) is provided with a scale.
5. A penetrometer as claimed in claim 1, characterized in that the sensor (6) is a proximity sensor.
6. A penetrometer as claimed in claim 1, characterized in that a top-suction type connection is provided between the top end of the needle rod (3) and the bottom end of the lifting device (2).
7. The penetrometer according to claim 1, further comprising a water tank (8) located on the base (1), wherein a temperature sensor (81) is arranged in the water tank (8), the temperature sensor (81) being in signal connection with the controller (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920519155.4U CN209992339U (en) | 2019-04-16 | 2019-04-16 | Automatic needle penetration appearance to needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920519155.4U CN209992339U (en) | 2019-04-16 | 2019-04-16 | Automatic needle penetration appearance to needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209992339U true CN209992339U (en) | 2020-01-24 |
Family
ID=69291739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920519155.4U Active CN209992339U (en) | 2019-04-16 | 2019-04-16 | Automatic needle penetration appearance to needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209992339U (en) |
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2019
- 2019-04-16 CN CN201920519155.4U patent/CN209992339U/en active Active
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