Automatic counting device for number of counts in standard penetration test

Abstract

The utility model relates to an automatic counting device for a standard penetration test click number, which comprises an electronic counter, one end of the electronic counter is connected with an infrared diffuse reflection photoelectric switch, and the automatic counting device is characterized in that one end of the infrared diffuse reflection photoelectric switch is connected with a fixed connecting piece; wherein the fixed connecting piece comprises a fixed clamping piece, a screw assembly, an extension connecting piece and a photoelectric switch connecting piece, and one end of the fixed clamping piece is connected with the extension connecting piece and the photoelectric switch connecting piece through the screw assembly. According to the utility model, by arranging the extension connecting piece and the photoelectric switch connecting piece, the position of the photoelectric switch can be adjusted in all directions, so that the photoelectric switch can accurately and reliably record data, and the stability and reliability of the whole device are ensured.

Description

Technical Field

[0001] The utility model specifically relates to an automatic counting device for the number of blows in a standard penetration test, and belongs to the technical field of foundation bearing capacity performance testing devices. Background Art

[0002] Counters have a wide range of applications in human production and life, from car odometers, money counting machines, basketball games, factory piece counting, to medical equipment, physical research and other fields. Common counters include mechanical counters and wireless counters.

[0003] In the field of geotechnical engineering investigation equipment, the current standard penetration test blows are generally calculated by hammering a limit head with a heavy hammer. A blow counter is set on the limit head to record the number of times the heavy hammer hits the limit head. However, the current device cannot adjust and extend the position at any time.

[0004] Therefore, in view of the deficiencies in the prior art, a device for automatically counting the number of blows in a standard penetration test is proposed. Utility Model Content

[0005] The purpose of the utility model is to provide a standard penetration test blow number automatic counting device in order to solve the above problems, so as to solve the problems raised in the above background technology.

[0006] The utility model achieves the above-mentioned purpose through the following technical scheme: a standard penetration test blow automatic counting device, including an electronic counter, one end of which is connected to an infrared diffuse reflection photoelectric switch, characterized in that one end of the infrared diffuse reflection photoelectric switch is connected to a fixed connecting piece, wherein the fixed connecting piece includes a fixed clip, a screw assembly, an extension connecting piece, and a photoelectric switch connecting piece, and one end of the fixed clip is connected to the extension connecting piece and the photoelectric switch connecting piece through the screw assembly.

[0007] Preferably, the screw assembly includes a main screw and a secondary screw, the main screw is provided with a full thread, the secondary screw is provided with a partial thread, the main screw is threadedly connected to the fixing clip, the secondary screw is U-shaped, and openings are respectively provided at both ends of the secondary screw for fixing to the main screw.

[0008] Preferably, the fixed connection member further comprises a spring arranged on the main screw for adjusting the position.

[0009] Preferably, a rectangular notch is provided at one end of the extending connecting piece for sensing the position of the infrared diffuse reflection photoelectric switch.

[0010] Preferably, an arc-shaped notch is provided at one end of the photoelectric switch connecting piece for adjusting the angle of the infrared diffuse reflection photoelectric switch.

[0011] Preferably, a mobile power source is also provided, and the mobile power source is connected to the electronic counter via an electric wire.

[0012] Beneficial effects of the utility model:

[0013] 1. It has the advantage of real-time automatic data recording. By fixing the infrared diffuse reflection photoelectric switch at the appropriate position of the drilling rig tower, it senses and receives the number of times the standard penetration hammer drops, and displays it on the LED display screen of the electronic counter, realizing the function of automatic data recording, thereby greatly reducing the labor intensity of operators, ensuring the accuracy and reliability of standard penetration and dynamic exploration data, and improving the quality of survey results.

[0014] 2. The fixed connector of the utility model can be connected to the drilling rig tower very easily and labor-savingly, and an extension connector and a photoelectric switch connector are provided, so that the position of the photoelectric switch can be adjusted in all directions, front, back, up, down, left, and right, so that the photoelectric switch can accurately and reliably record data, ensuring the stability and reliability of the entire device. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the planar structure of the utility model;

[0016] Figure 2 It is a schematic diagram of a rectangular notch of an extended connector of the utility model;

[0017] Figure 3 It is a schematic diagram of the arc-shaped notch of the photoelectric switch connecting piece of the utility model;

[0018] Figure numerals: 1. Fixed connector; 101. Fixed clip; 102. Spring; 103. Screw assembly; 104. Extension connector; 105. Photoelectric switch connector; 2. Infrared diffuse reflection photoelectric switch; 3. Electronic counter; 4. Mobile power supply; 5. Main screw; 6. Auxiliary screw. DETAILED DESCRIPTION

[0019] 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.

[0020] See also Figure 1-Figure 3 As shown, Figure 1-Figure 3 The automatic counting device for the number of blows in a standard penetration test according to the utility model is schematically shown.

[0021] A device for automatically counting the number of blows in a standard penetration test comprises an electronic counter 3, one end of which is connected to an infrared diffuse reflection photoelectric switch 2. The device is characterized in that one end of the infrared diffuse reflection photoelectric switch 2 is connected to a fixed connector 1, wherein the fixed connector 1 comprises a fixed clip 101, a screw assembly 103, an extension connector 104, and a photoelectric switch connector 105, and one end of the fixed clip 101 is connected to the extension connector 104 and the photoelectric switch connector 105 through the screw assembly 103.

[0022] The fixing clip 101 is bilaterally symmetrical, and a hole is opened at the rear end for easy connection with other components. The fixing clip 101 is made of hard plastic or steel plate.

[0023] Furthermore, the screw assembly 103 includes a main screw 5 and a secondary screw 6. The main screw 5 is provided with a full thread, and the secondary screw 6 is provided with a partial thread. The main screw 5 is threadedly connected to the fixing clip 101. The secondary screw 6 is U-shaped, and openings are respectively provided at both ends of the secondary screw 6 for fixing to the main screw 5.

[0024] Among them, the main screw 5 is in a straight line shape, and the main screw 5 can adjust the position of the fixing clip 101 and the spring 102. The auxiliary screw 6 is U-shaped, and the two ends of the auxiliary screw 6 are set to be flat, which is convenient for opening holes, so as to facilitate mutual fixation with the main screw 5.

[0025] Furthermore, the fixed connection member 1 also includes a spring 102 arranged on the main screw 5 for adjusting the position.

[0026] The fixing clip 101 is fixed to the screw assembly 103 through a nut connection, and one side is fixed, and the opening position size can be adjusted on the other side through a compression spring 102, so as to facilitate installation and fixing on the steel pipe of the drilling rig tower.

[0027] The length of the spring 102 is set according to actual conditions to ensure that the device can be opened and clamped and does not loosen after being fixed.

[0028] like Figure 2 As shown, further, a rectangular notch is provided at one end of the extending connecting member 104 for sensing the position of the infrared diffuse reflection photoelectric switch 2 .

[0029] Furthermore, an arc-shaped notch is provided at one end of the photoelectric switch connecting piece 105 for adjusting the angle of the infrared diffuse reflection photoelectric switch 2 .

[0030] The extending connector 104 is connected to the photoelectric switch connector 105. The extending connector 104 has a rectangular notch along its length for extending and retracting the position of the infrared diffuse reflection photoelectric switch 2 so as to accurately sense the change of the falling weight without being disturbed by other moving objects.

[0031] The photoelectric switch connector 105 is provided with an arc-shaped notch along the width direction, which is used to adjust the up and down angles of the infrared diffuse reflection photoelectric switch 2 .

[0032] Furthermore, a mobile power source 4 is provided, and the mobile power source 4 is connected to the electronic counter 3 via electric wires.

[0033] Among them, the provision of the mobile power supply 4 is convenient for field operations.

[0034] Beneficial effects of the utility model:

[0035] The fixed connector 1 of the utility model can be connected to the drilling rig tower very easily and labor-savingly, and an extension connector 104 and a photoelectric switch connector 105 are provided, so that the position of the photoelectric switch can be adjusted in all directions, front, back, up, down, left, and right, so that the photoelectric switch can accurately and reliably record data, ensuring the stability and reliability of the entire device.

[0036] In the present invention, the working principle of the automatic counting device for the standard penetration test blows is as follows:

[0037] When a standard penetration test or a dynamic penetration test is required, the fixed connector is fixed to the appropriate position of the drilling rig tower by means of a compression spring 102, and the position of the infrared diffuse reflection switch 2 is installed and adjusted so that it can sense the position of the pendant in real time and collect data. The electronic counter 3 and the mobile power supply 4 are placed at an appropriate position of the drilling rig to facilitate observation of the readings without interfering with the in-situ test operation.

[0038] After the device is installed and the standard penetration test equipment is in place, turn on the electronic counter 3 switch, and the counting starts at the same time as the test begins. After the test is completed, the data of this test is recorded on the original recording paper or electronic equipment dedicated to the survey, realizing the automatic collection of standard penetration test data.

[0039] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0040] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. An automatic counting device for standard penetration test blows, comprising an electronic counter, one end of which is connected to an infrared diffuse reflection photoelectric switch, characterized in that: One end of the infrared diffuse reflection photoelectric switch is connected to a fixed connecting piece, wherein the fixed connecting piece includes a fixed clip, a screw assembly, an extension connecting piece, and a photoelectric switch connecting piece, and one end of the fixed clip is connected to the extension connecting piece and the photoelectric switch connecting piece through the screw assembly.

2. The automatic counting device for the standard penetration test according to claim 1, characterized in that: The screw assembly includes a main screw and a secondary screw, the main screw is provided with a full thread, the secondary screw is provided with a partial thread, the main screw is threadedly connected to the fixing clip, the secondary screw is U-shaped, and both ends of the secondary screw are respectively provided with openings for fixing to the main screw.

3. The automatic counting device for the standard penetration test according to claim 2, characterized in that: The fixed connection member also includes a spring arranged on the main screw rod for adjusting the position.

4. The automatic counting device for the standard penetration test according to claim 1, characterized in that: A rectangular notch is provided at one end of the extending connecting piece for sensing the position of the infrared diffuse reflection photoelectric switch.

5. The automatic counting device for the standard penetration test according to claim 1, characterized in that: One end of the photoelectric switch connecting piece is provided with an arc-shaped notch for adjusting the angle of the infrared diffuse reflection photoelectric switch.

6. The automatic counting device for the standard penetration test according to claim 1, characterized in that: A mobile power source is also provided, and the mobile power source is connected to the electronic counter through an electric wire.

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