Calibrating device for static penetrometer

Abstract

The utility model relates to the technical field of calibration, and discloses a calibration device for a static penetrometer, which comprises a base, a bracket is arranged on the upper surface of the base, a standard dynamometer for calibration is arranged at the top of the bracket, a jacking mechanism is arranged at the bottom of an inner cavity of the base, a mounting seat is arranged on the upper surface of the base, and a lifting mechanism is arranged on the mounting seat. The mounting seat is arranged at the upper end of the jacking mechanism, a positioning mechanism is arranged on the mounting seat, and a penetrometer probe is mounted on the mounting seat through the positioning mechanism; through cooperation of the base, the jacking mechanism, the mounting seat and the positioning mechanism, the penetrometer probe can be quickly clamped through multiple groups of clamping blocks of the positioning mechanism, so that the mounting efficiency of penetrometer probe calibration is improved, the time for aligning the standard dynamometer, the penetrometer probe and the axis of the bracket is shortened, and the mounting efficiency is improved. Therefore, the calibration efficiency of the penetrometer probe is improved, the overall operation is convenient, and the practicability is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of calibration technology, specifically is a kind of calibration device for static sounding apparatus. BACKGROUND

[0002] Static sounding apparatus needs to be calibrated periodically to ensure the accuracy of measurement results, when calibrating static sounding apparatus, the probe of static sounding apparatus needs to be mounted on calibration equipment and aligned to apply load, during the process of applying load, the center lines of probe, calibration frame and standard dynamometer need to coincide, to avoid that probe is subjected to unbalanced force, which affects calibration result or causes damage to probe;

[0003] In the prior art, the utility model discloses a static sounding apparatus calibration device, comprising: a base provided with a vertical support, a horizontal frame is arranged at the top of the vertical support; a standard pressure sensor is installed on the horizontal frame; a lifting frame is slidably installed on the vertical support in a lifting manner, a static sounding apparatus positioning seat is arranged on the lifting frame, and the static sounding apparatus positioning seat is located vertically below the standard pressure sensor; a motor is arranged on the base, and the motor is connected with the lifting frame through a vertical screw rod. The static sounding apparatus calibration device provided by the utility model improves calibration efficiency, and can avoid damage to the calibration device and the static sounding apparatus;

[0004] The above technical solution needs to calibrate static sounding apparatus and dynamometer on the same straight line by workers, and manual installation position may be deviated, thereby affecting the calibration result, and the accuracy of the installation position of static sounding apparatus needs to be further improved, so a calibration device for static sounding apparatus is needed. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a calibration device for static sounding apparatus, which can quickly position static sounding apparatuses of different specifications, so that the center of static sounding apparatus, the frame and the center of dynamometer are located on the same straight line, improve the efficiency of static sounding apparatus installation, and ensure the calibration efficiency, to solve the problems in the above background technology.

[0006] To achieve the above object, the utility model provides the following technical scheme: a calibration device for static sounding apparatus, comprising a base, a support is installed on the upper surface of the base, a standard dynamometer for calibration is arranged on the top of the support, a jacking mechanism is arranged on the bottom of the inner cavity of the base, an installation seat is arranged on the upper surface of the base, the installation seat is arranged on the upper end of the jacking mechanism, a positioning mechanism is arranged on the installation seat, and a sounding apparatus probe is mounted on the installation seat through the positioning mechanism.

[0007] The positioning mechanism comprises a second motor and multiple groups of horizontal screws, one end of each of the multiple groups of horizontal screws is threadedly connected with a right-angle plate, one side of the right-angle plate is provided with a clamping block, the other end of each of the multiple groups of horizontal screws is provided with a driven bevel gear, and the output shaft of the second motor is drivingly connected with a rotating shaft, and the upper end of the rotating shaft is provided with a driving bevel gear meshing with the multiple driven bevel gears.

[0008] Preferably, the upper surface of the base is provided with a positioning hole for mounting the penetrometer probe, the upper surface of the base is provided with multiple sliding grooves for slidingly arranging the multiple right-angle plates, the sliding grooves are provided with guide grooves, and the two sides of each right-angle plate adjacent to the clamping block are provided with guide blocks.

[0009] Preferably, the positioning mechanism further comprises multiple bearing seats mounted at the bottom of the inner cavity of the base, and each horizontal screw is rotationally arranged on a bearing seat; the second motor is mounted at the top of the inner cavity of the base; and one side of the clamping block is bonded with a buffer pad.

[0010] Preferably, the jacking mechanism comprises a first motor mounted at the bottom of the inner cavity of the base, the output shaft of the first motor is drivingly connected with a vertical screw, the upper end of the vertical screw is threadedly connected with a connecting plate, the upper surface of the connecting plate is fixedly connected with two jacking columns at both ends, and the upper ends of the jacking columns penetrate through the base and are fixedly connected to the lower surface of the mounting seat.

[0011] Preferably, the upper surface of the base is provided with a through hole for accommodating the second motor, the top of the inner cavity of the base is fixedly connected with a chassis located below the through hole, and the upper end of the vertical screw is rotationally arranged on the chassis.

[0012] Preferably, the lower surface of the mounting seat is fixedly connected with multiple guide rods, and the lower ends of the multiple guide rods penetrate through the base and are located in the inner cavity of the base.

[0013] Preferably, the multiple sliding grooves are arranged at equal angles, and the axes of the positioning holes, the penetrometer probe and the standard dynamometer are arranged on the same straight line.

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] The utility model mainly through the cooperation between base, jacking mechanism, mounting seat and positioning mechanism, through the multiple clamping blocks of positioning mechanism can to the penetrometer probe fast clamping, thereby improving the installation efficiency of penetrometer probe calibration, simultaneously reduces the time of standard dynamometer, penetrometer probe and support axis alignment, thereby improves the calibration efficiency of penetrometer probe, overall operation is convenient, improves the practicality. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 It is the whole structure schematic diagram of the utility model.

[0017] Fig. 2 It is the jacking mechanism structural schematic view of the utility model;

[0018] Fig. 3 It is the positioning mechanism structural schematic view of the utility model.

[0019] In the drawing: 1, base; 2, support; 3, standard force gauge; 4, jacking mechanism; 41, first motor; 42, vertical screw rod; 43, connecting plate; 44, jacking column; 5, mounting seat; 51, positioning hole; 52, sliding groove; 53, guide groove; 6, positioning mechanism; 61, second motor; 62, rotating shaft; 63, driving bevel gear; 64, horizontal screw rod; 65, right-angle plate; 66, clamping block; 67, buffer pad block; 68, guide block; 69, bearing seat; 610, driven bevel gear; 7, base frame; 8, guide rod; 9, sounding probe. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0021] Please refer to Figs. 1-3 The utility model provides a kind of technical scheme: a kind of calibration device for static sounding probe, including base 1, the upper surface of base 1 is equipped with support 2, support 2 top is provided with the standard force gauge 3 for calibration, the bottom of the inner chamber of base 1 is provided with jacking mechanism 4, the upper surface of base 1 is provided with mounting seat 5, mounting seat 5 is set in the upper end of jacking mechanism 4, mounting seat 5 is provided with positioning mechanism 6, mounting seat 5 is equipped with sounding probe 9 by positioning mechanism 6 on it;

[0022] Positioning mechanism 6 includes second motor 61 and multiple horizontal screw rods 64, one end of multiple horizontal screw rods 64 is all screw-connected with right-angle plate 65, one side of right-angle plate 65 is provided with clamping block 66, the other end of multiple horizontal screw rods 64 is all provided with driven bevel gear 610, the output shaft of second motor 61 is transmissionally connected with rotating shaft 62, the upper end of rotating shaft 62 is provided with the driving bevel gear 63 meshed with multiple driven bevel gears 610.

[0023] The upper surface of the base 1 is provided with a positioning hole 51 for installing the penetrometer probe 9, and the upper surface of the base 1 is provided with a sliding groove 52 for slidingly arranging a plurality of right-angle plates 65, and the sliding groove 52 is provided with a guide groove 53, and the two sides of the right-angle plate 65 adjacent to the clamping block 66 are provided with guide blocks 68, and the guide blocks 68 slide in the guide groove 53 to improve the stability of the movement of the right-angle plate 65, thereby improving the stability of the clamping block 66 clamping the penetrometer probe 9.

[0024] The positioning mechanism 6 further comprises a plurality of bearing seats 69 installed in the bottom of the inner cavity of the base 1, and the plurality of horizontal screw rods 64 are rotationally arranged on the bearing seats 69, and the second motor 61 is installed at the top of the inner cavity of the base 1, and one side of the clamping block 66 is bonded with a buffer pad 67, and the plurality of bearing seats 69 improve the stability of the rotation of the horizontal screw rod 64, and the buffer pad 67 improves the stability of the clamping block 66 clamping the penetrometer probe 9, thereby ensuring the accuracy of the calibration result.

[0025] The jacking mechanism 4 comprises a first motor 41 installed at the bottom of the inner cavity of the base 1, and the output shaft of the first motor 41 is drivingly connected with a vertical screw rod 42, and the upper end of the vertical screw rod 42 is threadedly connected with a connecting plate 43, and the upper surface of the connecting plate 43 is fixedly connected with jacking columns 44 at both ends, and the upper ends of the jacking columns 44 penetrate through the base 1 and are fixedly connected to the lower surface of the mounting seat 5, and the first motor 41 drives the vertical screw rod 42 to facilitate the adjustment of the position of the connecting plate 43, thereby facilitating the lifting of the mounting seat 5 as a whole, so that the penetrometer probe 9 is in contact with the standard force gauge 3, and the relative position of the penetrometer probe 9 and the standard force gauge 3 is constant during calibration, and the penetrometer probe 9 will not deviate.

[0026] A through hole is formed in the middle of the upper surface of the base 1 for accommodating the second motor 61, and a bottom frame 7 is fixedly connected to the bottom of the through hole in the inner cavity of the base 1, and the upper end of the vertical screw rod 42 is rotationally arranged on the bottom frame 7, thereby improving the stability of the rotation of the vertical screw rod 42, thereby prolonging the service life of the device.

[0027] A plurality of guide rods 8 are fixedly connected to the lower surface of the mounting seat 5, and the lower ends of the plurality of guide rods 8 penetrate through the base 1 and are located in the inner cavity of the base 1, and the plurality of guide rods 8 cooperate with the jacking columns 44 to further improve the stability of the lifting of the mounting seat 5, thereby ensuring the accuracy of the calibration.

[0028] The plurality of sliding grooves 52 are arranged at equal angles, the axes of the positioning holes 51, the axes of the penetrometer probes 9 and the axes of the standard force gauges 3 are arranged on the same straight line, the pressure values are accurate and stable, and the calibration efficiency is improved.

[0029] In use, the probe 9 to be calibrated is placed in the positioning hole 51 of the mounting seat 5, the second motor 61 is started to drive the rotating shaft 62, the driving bevel gear 63 is engaged with the driven bevel gear 610 on the horizontal screw rod 64, the right angle plate 65 on the two groups of horizontal screw rods 64 are relatively close, the clamping block 66 clamps and positions the probe 9, different specifications of the probe 9 can be positioned conveniently, the applicable range is improved, the axis of the probe 9 is aligned with the axis of the standard dynamometer 3 conveniently and quickly, the first motor 41 drives the vertical screw rod 42 to drive the connecting plate 43 to rise, the probe 9 is in contact with the standard dynamometer 3, the probe 9 is calibrated, and the calibration efficiency is improved.

[0030] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A calibration device for a static cone penetrometer comprising a base (1) characterised in that: The upper surface of the base (1) is provided with a support (2), the top of the support (2) is provided with a standard dynamometer (3) for calibration, the bottom of the inner cavity of the base (1) is provided with a jacking mechanism (4), the upper surface of the base (1) is provided with a mounting seat (5), the mounting seat (5) is arranged at the upper end of the jacking mechanism (4), the mounting seat (5) is provided with a positioning mechanism (6), and the mounting seat (5) is provided with a penetrometer probe (9) through the positioning mechanism (6). The positioning mechanism (6) comprises a second motor (61) and a plurality of horizontal screw rods (64), one end of each of the plurality of horizontal screw rods (64) is threadedly connected with a right-angle plate (65), one side of the right-angle plate (65) is provided with a clamping block (66), the other end of each of the plurality of horizontal screw rods (64) is provided with a driven bevel gear (610), and the output shaft of the second motor (61) is drivingly connected with a rotating shaft (62), and the upper end of the rotating shaft (62) is provided with a driving bevel gear (63) meshing with the plurality of driven bevel gears (610).

2. A calibration device for a static cone penetrometer according to claim 1, characterized in that: The upper surface of the base (1) is provided with a positioning hole (51) for mounting the penetrometer probe (9), the upper surface of the base (1) is provided with a sliding groove (52) for slidingly arranging the plurality of right-angle plates (65), and the sliding groove (52) is provided with a guide groove (53).

3. A calibration device for a static cone penetrometer according to claim 2, characterized in that: The positioning mechanism (6) further comprises a plurality of bearing seats (69) mounted in the bottom of the inner cavity of the base (1), and the plurality of horizontal screw rods (64) are rotatably arranged on the bearing seats (69).

4. A calibration device for a static cone penetrometer according to claim 3, characterized in that: The jacking mechanism (4) comprises a first motor (41) mounted in the bottom of the inner cavity of the base (1), the output shaft of the first motor (41) is drivingly connected with a vertical screw rod (42), the upper end of the vertical screw rod (42) is threadedly connected with a connecting plate (43), the upper surface of the connecting plate (43) is fixedly connected with a jacking column (44) at both ends, and the upper end of the jacking column (44) penetrates through the base (1) and is fixedly connected to the lower surface of the mounting seat (5).

5. A calibration device for a static cone penetrometer according to claim 4, characterized in that: A through hole is formed in the middle of the upper surface of the base (1) for accommodating the second motor (61), a bottom frame (7) is fixedly connected below the through hole in the top of the inner cavity of the base (1), and the upper end of the vertical screw rod (42) is rotatably arranged on the bottom frame (7).

6. A calibration device for a static cone penetrometer according to claim 5, characterized in that: The lower surface of the mounting seat (5) is fixedly connected with a plurality of guide rods (8), and the lower ends of the plurality of guide rods (8) penetrate through the base (1) and are located in the inner cavity of the base (1).

7. A calibration device for a static cone penetrometer according to claim 6, characterized in that: A plurality of sliding grooves (52) are arranged at equal angles, and the axes of the positioning holes (51), the penetrometer probe (9) and the standard dynamometer (3) are arranged on the same straight line.

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