CN203824543U - Automatic height measuring ruler - Google Patents

Abstract

The utility model relates to a height ruler for automatic measurement, comprising a base, a ruler body, a controller, a bracket, a fixed frame, a driving motor, a lead screw, a lifting block, a lead screw nut, a connecting block and a pressure sensor, and the connection between the ruler body and the base The controller is installed on the upper surface of the base; the bracket is connected to the base; the fixed frame and the bracket are connected by bolts; the drive motor and the fixed frame are connected by screws; the top of the screw is connected by The coupling is connected with the driving motor, and its bottom end is connected with the bottom end of the bracket through rolling bearings; the lifting block is provided with a groove for installing the screw nut, and the lifting block is connected with the lead screw through the screw nut; the connecting block One end is fixedly connected with the lifting block, and the other end is fixedly connected with the ruler frame on the ruler body; the lower end of the measuring claw on the ruler body is provided with a mounting groove, and a pressure sensor is installed in the mounting groove. The utility model has the advantages of simple operation, not easy to be damaged, etc., and can realize a high-precision automatic measurement function.

Description

A height gauge for automatic measurement

technical field

The utility model relates to the field of mechanical surveying and mapping instruments, in particular to a height gauge for automatic measurement. the

Background technique

The height gauge, also known as the height vernier caliper, is a precision measurement tool with a wide range of applications. At present, height vernier calipers can be divided into two categories: ordinary vernier type and electronic digital display type. Although these two types of height gauges can realize height measurement, there are still shortcomings such as incapability of automatic measurement and cumbersome operation of the measurement process. For example, the Chinese patent No. 201220490080.X announced the mechanical zero height gauge and the Chinese patent 201120032502.4 announced a dual-display digital screen height gauge, both of which can achieve accurate height measurement, but both require manual operation, and there is still a need The operation process of repeatedly turning the set screw is cumbersome and the degree of damage is relatively high. Therefore, according to the deficiencies in the existing height gauge technology, there is an urgent need for a height gauge with the advantages of easy operation, high measurement accuracy and automatic measurement. the

Contents of the invention

In order to solve the above-mentioned problems in the prior art, the utility model provides an automatic measuring height gauge. the

The technical solution adopted by the utility model to solve the above problems is: a height gauge for automatic measurement, including a base, a ruler body, a controller, a bracket, a fixed frame, a driving motor, a lead screw, a lifting block, a lead screw nut, and a connecting block and a pressure sensor, the scale body is connected to the upper end surface of the base by welding; the controller is located on the right side of the scale body, and the controller is installed on the upper end surface of the base, and the controller controls the automatic measurement; the bracket is located on the front side of the scale body, and the bracket is fixedly connected to the upper end surface of the base; the lower end surface of the fixing bracket is provided with a through hole, and the fixing bracket and the top of the bracket are connected by bolts connection; the drive motor passes through the through hole on the fixed frame and is connected with the fixed frame by screws, and the forward and reverse of the drive motor drives the forward and reverse of the lead screw; the top of the lead screw passes through the coupling It is connected with the output shaft of the driving motor, and its bottom end is connected with the bottom end of the bracket through a rolling bearing; the lifting block is provided with a through hole, and the inner wall of the through hole is provided with a groove for installing a screw nut, and the lifting block The lead screw is connected with the lead screw through the lead screw nut; one end of the connecting block is fixedly connected with the lifting block, and the other end is fixedly connected with the ruler frame on the scale body, and the lifting block is driven to move up and down by the lead screw and the lead screw nut, thereby Drive the measuring claws on the scale body to move up and down to realize the function of automatic height measurement; the lower end of the measuring claws on the scale body is provided with a mounting groove, and a pressure sensor is installed in the mounting groove. When the pressure value reaches the pressure value set by the pressure sensor, the pressure sensor will transmit the measured pressure analog value to the controller, and the controller will control the drive motor to stop working, and the operator only needs to read the measurement on the height gauge data. the

As a limitation of the present invention: the lower end surface of the pressure sensor and the lower end surface of the measuring claw on the scale body are located on the same plane, which ensures the accuracy of measurement. the

As a further limitation of the present utility model: the type of the pressure sensor is a piezoelectric pressure sensor, which has the advantages of small size, good dynamic characteristics and high temperature resistance. the

The utility model has the advantages that: a height gauge for automatic measurement has the advantages of easy operation and non-damage, and can realize a high-precision automatic measurement function. the

Description of drawings

Below in conjunction with accompanying drawing and embodiment the utility model is further described. the

Fig. 1 is the three-dimensional structure schematic diagram of the present utility model;

Fig. 2 is the left view of the utility model;

Fig. 3 is the top view of the utility model;

Fig. 4 is the A-A view of Fig. 3;

Fig. 5 is a B-B view of Fig. 3 . the

Detailed ways

As shown in Figure 1, Figure 2, Figure 3, Figure 4 and Figure 5, a height gauge for automatic measurement includes a base 1, a ruler body 2, a controller 3, a bracket 4, a fixed frame 5, a driving motor 6, a wire Bar 7, lifting block 8, lead screw nut 9, connecting block 10 and pressure sensor 11, described scale body 2 is connected with the upper end surface of base 1 by welding; described controller 3 is located at scale body 2 on the right side of the base 1, and the controller 3 is installed on the upper surface of the base 1, and the controller 3 controls the automatic measurement of the utility model; connected; the lower end surface of the fixed frame 5 is provided with a through hole, and the fixed frame 5 is connected with the top of the bracket 4 by bolts; the drive motor 6 passes through the through hole on the fixed frame 5 and the fixed frame 5 are connected by screws, and the positive and negative rotation of the lead screw 7 is driven by the forward and reverse rotation of the drive motor 6; the top of the screw 7 is connected with the output shaft of the drive motor 6 through a coupling, and its bottom end is The bottom end of the bracket 4 is connected by a rolling bearing; the lifting block 8 is provided with a through hole, and the inner wall of the through hole is provided with a groove for installing the lead screw nut 9, and the lifting block 8 passes the lead screw nut 9 and the lead screw 7 One end of the connecting block 10 is fixedly connected with the lifting block 8, and the other end is fixedly connected with the ruler frame 201 on the scale body 2, and the lifting block 8 is driven to move up and down by the lead screw 7 and the lead screw nut 9, thereby Drive the measuring jaw 202 on the scale body 2 to move up and down to realize the function of automatic height measurement; the lower end of the measuring jaw 202 on the scale body 2 is provided with a mounting groove, and a pressure sensor 11 is installed in the mounting groove; the pressure sensor Type 11 is a piezoelectric pressure sensor. This sensor has the advantages of small size, good dynamic characteristics and high temperature resistance, and the lower end surface of the pressure sensor 11 and the lower end surface of the measuring claw 202 on the ruler body 2 are located on the same plane, ensuring the measurement accuracy. When the pressure value generated when the pressure sensor 11 is in contact with the tested object reaches the pressure value set by the pressure sensor 11, the pressure sensor 11 will transmit the measured pressure analog value to the controller 3, and the controller 3 controls the drive motor 6 Stop working, the operator only needs to read the measurement data on the height gauge. the

When working, first set the pressure value read by the pressure sensor 11, and then place the measured piece at the corresponding measurement position, the controller 3 drives the screw 7 to rotate, and drives the scale body through the transmission mode of the screw 7 and the screw nut 9 The jaw 202 on the 2 moves down until it contacts the surface of the tested object; when the pressure value generated by the pressure sensor 11 in contact with the tested object is equal to or higher than the pressure value set by the pressure sensor 11, the pressure sensor 11 will feed back the pressure analog quantity to the controller 3, and the controller 3 controls the drive motor 6 to stop working, thereby fixing the position of the measuring claw 202, and the operator only needs to read the measurement data on the height gauge; Finally, it is only necessary to press the reset button on the controller 3, and the controller 3 drives the measuring jaw 202 on the scale body 2 to return to the initial measurement position by controlling the reverse rotation of the lead screw 7, thereby achieving the purpose. the

The basic principles, main features and advantages of the present utility model have been shown and described above. Those skilled in the art should understand that the utility model is not limited by the above-mentioned embodiments. The above-mentioned embodiments and descriptions only illustrate the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model The new model also has various changes and improvements, and these changes and improvements all fall within the scope of the claimed utility model. The scope of protection required by the utility model is defined by the appended claims and their equivalents. the

Claims (3)

1. a height gauge of automatically measuring, comprise base (1), chi body (2), controller (3), support (4), fixed mount (5), drive motor (6), leading screw (7), elevator (8), feed screw nut (9), contiguous block (10) and pressure transducer (11), it is characterized in that: between described chi body (2) and the upper surface of base (1), by welding manner, be connected; Described controller (3) is positioned at the right side of chi body (2), and controller (3) is installed on the upper surface of base (1); Described support (4) is positioned at the front side of chi body (2), and support (4) is connected with the upper surface of base (1); Described fixed mount (5) is provided with through hole on lower surface, and between fixed mount (5) and support (4) top by being connected by bolt; Described drive motor (6) is connected by screw through between the through hole on fixed mount (5) and fixed mount (5); Described leading screw (7) top is connected with the output shaft of drive motor (6) by shaft coupling, and its bottom is connected by rolling bearing with support (4) bottom; Described elevator is provided with through hole on (8), be provided with for the groove of feed screw nut (9) is installed, and elevator (8) is connected with leading screw (7) by feed screw nut (9) on through-hole wall; Described contiguous block (10) one end and elevator (8) are connected, and the chi frame (201) on its other end and chi body (2) is connected; Measuring jaw (202) lower end on described chi body (2) is provided with mounting groove, and pressure transducer (11) is installed in mounting groove.

2. the height gauge of a kind of automatic measurement according to claim 1, is characterized in that: the lower surface of the measuring jaw (202) on the lower surface of described pressure transducer (11) and chi body (2) is in the same plane.

3. the height gauge of a kind of automatic measurement according to claim 1 and 2, is characterized in that: described pressure transducer (11) type is piezoelectric pressure indicator.