CN216208348U - A road density detector - Google Patents

Abstract

The utility model relates to a highway density detector, comprising a detection instrument and a detection probe screwed on the detection instrument. A positioning plate is arranged below the detection instrument, the positioning plate is in contact with the ground, and the positioning plate is provided with two A set of chute, the slider is slidably connected inside the chute, a return spring is installed on the opposite side of the two sets of sliders, a positioning plate is arranged on the outer side of the detection probe, and a connecting rod assembly is installed between the positioning plate and the slider , the positioning plate is provided with a first perforation, and the positioning plate is provided with a second perforation. In the highway density detector, the positioning plate is placed on the ground, and the first perforation opened on the positioning plate is used as the positioning reference, the detection probe is passed through the first perforation and the second perforation in turn, and the detection probe is carried out by the positioning plate. It is stable and prevents the inclination deviation when the detection probe is inserted, so as to improve the error in the detection result of the road density detector, so that the road detector has the advantage of being less prone to detection errors.

Description

A road density detector

technical field

The utility model relates to the technical field of highway density detectors, in particular to a highway density detector.

Background technique

Fill compactness detector is called "Platts Penetrator" in international standards, it is mainly used to test the compactness and uniformity of large-area fill projects after rolling, such as highways, roads and bridges, municipal drainage, oil pipelines Lines, water conservancy guards, industrial and civil construction, it is characterized by lightness, flexibility, and speed, and can track rolling on-site monitoring anytime, anywhere. When working, it has the functions of power-on, power supply, full-screen five-digit full-display self-check, and self-calibration zero. Self-function and energy-saving function. If the user forgets to turn off the machine after operation, the instrument can be automatically turned off after 15 minutes in the standby state. Just drill a hole on the work surface and insert the instrument vertically to test. It is easy for technicians to master by referring to the manual. Its detection depth is 30 cm. It is best to roll and inspect the fill layer by layer. It is also suitable for random inspection of any layer by the quality supervision station and the supervision company. The probe rod can also be lengthened to 1.5 meters.

The soil filling compactness detector can be used for tracking and detection of earthwork construction sites, large-scale general inspections, and local single-point sampling inspections. Connect it, and then manually drive it into the ground for testing. However, during the manual driving process, the entire instrument is easily tilted, and there are errors in the detection points detected by the instrument, which will affect the accuracy of the measurement results and give people the opportunity to use them. inconvenience.

Utility model content

(1) Technical problems solved

Aiming at the deficiencies of the prior art, the utility model provides a road density detector, which has the advantages of reducing manual operation errors and the like, and solves the problem that the entire instrument is easily inclined during the manual driving process of the traditional soil filling density detector. , There is an error in the detection point detected by the instrument, which affects the accuracy of the measurement result.

(2) Technical solutions

In order to achieve the above purpose, the utility model provides the following technical solutions: a road density detector, including a detection instrument, and a detection probe screwed on the detection instrument, a positioning plate is arranged below the detection instrument, and the positioning plate is connected to the ground. In contact with each other, there are two sets of chutes on the positioning plate. Sliders are slidably connected inside the slideways. The two sets of slides are installed with return springs on the sides away from each other. The outer side of the detection probe is provided with a positioning plate. A connecting rod assembly is installed between the sliders, a first through hole is formed on the positioning plate, and a second through hole is formed on the positioning plate.

Further, a handle is arranged above the detection instrument, and a connecting column is installed between the handle and the detection instrument.

Further, the diameters of the first perforation and the second perforation are equal to the diameter of the detection probe.

Further, the link assembly includes a first bracket mounted on the lower surface of the positioning plate, a second bracket mounted on the slider, and a support link hinged between the first bracket and the second bracket.

Further, the upper surface of the positioning plate is attached to the bottom of the detection instrument.

Further, a central column is fixed inside the chute, and the sliding block is slidably connected to the outer side of the central column.

Further, the second through hole is located at the center of the positioning plate.

(3) Beneficial effects

Compared with the prior art, the technical solution of the present application has the following beneficial effects:

1. In this highway density detector, the positioning plate is placed on the ground in advance, and the first perforation opened on the positioning plate is used as the positioning reference, and then the detection probe is passed through the first perforation and the second perforation in turn, and the positioning plate is used. The detection probe is stabilized to prevent the detection probe from tilting and offset when it is inserted, and manual operation errors are avoided, so as to improve the error in the detection result of the road density detector, so that the road detector has the advantage of being less prone to detection errors.

2. The highway density detector utilizes the hinged relationship between the positioning plate, the second bracket and the support link, and the sliding relationship between the slider and the chute. When the positioning plate is subjected to downward pressure, the height of the positioning plate will change. get regulated.

3. For the highway density detector, after the detection is completed, the detection probe is taken out, and the positioning disc can be automatically reset by the elastic action of the return spring.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the front sectional view of the positioning plate connection structure in the structure of the utility model;

Fig. 3 is the front sectional schematic diagram of the positioning disc in the structure of the utility model;

FIG. 4 is a partial enlarged schematic view of A in FIG. 1 of the structure of the present invention.

In the picture: 1 testing instrument, 2 positioning plate, 3 connecting column, 4 grip, 5 testing probe, 6 positioning plate, 7 first bracket, 8 supporting link, 9 chute, 10 center column, 11 slider, 12 Second bracket, 13 second through hole, 14 return spring, 15 first through hole.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

1-4, a road density detector in this embodiment includes a detection instrument 1, and a detection probe 5 threadedly connected to the detection instrument 1. A display screen and a control button are fixed on the detection instrument 1 to control the The button is used to control whether the detection instrument 1 is working, and the display screen is used to display the data detected by the detection probe 5. A positioning plate 2 is arranged below the detection instrument 1, and the positioning plate 2 is in contact with the ground. There are two sets of sliding grooves 9, and the interiors of the two sets of sliding grooves 9 are slidably connected with sliding blocks 11. The sliding grooves 9 are used to provide moving space for the sliding blocks 11, and a return spring 14 is fixed on the opposite side of the two sets of sliding blocks 11. , the reset spring 14 is fixed in the chute 9, the reset spring 14 is used to reset the adjusted slider 11, the outer side of the detection probe 5 is provided with a positioning plate 6, and the upper surface of the positioning plate 6 is attached to the detection instrument 1. At the bottom, the positioning plate 6 is used to stabilize the detection probe 5, so as to prevent the detection probe 5 from tilting and offset when it is inserted, to avoid manual operation errors, and to improve the error in the detection results of the road density detector. A connecting rod assembly is installed between the two, and the connecting rod assembly is used to drive the positioning plate 6 when lifting and adjusting. The positioning plate 6 is provided with a first through hole 15. The first through hole 15 provides a positioning reference when assembling the detection probe 5. The positioning plate 2 A second through hole 13 is opened on the upper part, the second through hole 13 is located below the first through hole 15 , and the second through hole 13 is located at the center of the positioning plate 2 .

In order to provide convenience for workers to hold, please refer to FIG. 1 , a handle 4 is provided above the detection instrument 1 in this embodiment, and a connecting column 3 is fixed between the handle 4 and the detection instrument 1 , and the handle 4 is on the handle 4 . A sweat-absorbing cotton sleeve is attached to the sleeve, and the handle 4 is used for convenience when the worker rotates the detection instrument 1 .

In addition, the diameter of the first through hole 15 and the second through hole 13 in this embodiment is equal to the diameter of the detection probe 5, the center column 10 is fixed inside the chute 9, and the slider 11 is slidably connected to the outside of the center column 10. 10 Limit the sliding block 11 to prevent the sliding block 11 from turning out of the chute 9 .

Please refer to FIGS. 1 , 2 and 4 , the link assembly in this embodiment includes a first bracket 7 mounted on the lower surface of the positioning plate 6 , a second bracket 12 mounted on the slider 11 , and a second bracket 12 hinged on the first bracket 7 and the support link 8 between the second bracket 12, when the positioning plate 6 is pressed down, due to the hinged relationship between the positioning plate 6, the second bracket 12 and the support link 8, and the slider 11 and the chute 9 Under the sliding cooperation of the two sliders 11, the two sliders 11 will move away from each other, and the positioning plate 6 will move down to realize the height adjustment of the positioning plate 6.

The working principle of the above embodiment is:

(1), place the positioning plate 2 on the ground in advance, take the first perforation 15 opened on the positioning plate 6 as the positioning reference, and pass the detection probe 5 through the first perforation 15 and the second perforation 13 in turn, until the The detection probe 5 is inserted into the corresponding detection point. During the insertion process of the detection probe 5, the positioning plate 6 is used to stabilize the detection probe 5, so as to prevent the detection probe 5 from tilting and offset when it is inserted, and it is not easy to cause manual operation errors, so as to improve the road performance. There is an error in the test results of the density detector.

(2) In the process of inserting the detection probe 5, use the hinged relationship between the positioning plate 6 and the second bracket 12 and the support link 8, and use the sliding relationship between the slider 11 and the chute 9, when the positioning plate is used. When the 6 is subjected to the downward pressure, the positioning plate 6 will move down accordingly, and the two sliders 11 will move away from each other.

(3) After the detection is completed, after the detection probe 5 is taken out, under the elastic action of the reset spring 14, the support link 8 will push the positioning plate 6 to move up until the reset is completed.

It should be noted that, in this document, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any relationship between these entities or operations. any such actual relationship or sequence exists. Moreover, the terms "comprising", "comprising" or any other variation thereof are intended to encompass non-exclusive inclusion such that a process, method, article or device comprising a list of elements includes not only those elements, but also includes not explicitly listed or other elements inherent to such a process, method, article or apparatus. Without further limitation, an element qualified by the phrase "comprising a..." does not preclude the presence of additional identical elements in a process, method, article or apparatus that includes the element.

Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention , alternatives and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (7)

1. A highway density detector, comprising a detection instrument (1), and a detection probe (5) threadedly connected on the detection instrument (1), characterized in that: a positioning plate is provided below the detection instrument (1) (2), the positioning plate (2) is in contact with the ground, and two sets of sliding grooves (9) are provided on the positioning plate (2), and a sliding block (11) is slidably connected to the interior of the sliding groove (9). (11) A return spring (14) is installed on the side away from each other, a positioning plate (6) is arranged on the outer side of the detection probe (5), and a connecting rod assembly is installed between the positioning plate (6) and the slider (11). The positioning plate (6) is provided with a first perforation (15), and the positioning plate (2) is provided with a second perforation (13). 2. A highway density detector according to claim 1, characterized in that: a handle (4) is provided above the detection instrument (1), and the handle (4) is connected with the detection instrument (1). A connecting column (3) is installed between the two. 3 . The highway density detector according to claim 1 , wherein the diameter of the first through hole ( 15 ) and the second through hole ( 13 ) is equal to the diameter of the detection probe ( 5 ). 4 . 4. A highway density detector according to claim 1, characterized in that: the connecting rod assembly comprises a first bracket (7) installed on the lower surface of the positioning plate (6), and a first bracket (7) installed on the slider (11) A second bracket (12) on the upper bracket and a support link (8) hinged between the first bracket (7) and the second bracket (12). 5 . The highway density detector according to claim 1 , wherein the upper surface of the positioning plate ( 6 ) is attached to the bottom of the detection instrument ( 1 ). 6 . 6. A highway density detector according to claim 1, characterized in that: a central column (10) is fixed inside the chute (9), and the slider (11) is slidably connected to the central column (10). 10) outside. 7. A road density detector according to claim 1, characterized in that: the second through hole (13) is located at the center of the positioning plate (2).

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