CN213985947U - External bracket for road deflection test - Google Patents

Abstract

The utility model discloses a road deflection test attach support outward, erect in deflection test equipment and be close to short stick up arm end portion side, and install the electron percentage table height-adjustable who attaches the support outward, its characterized in that: the external bracket comprises a base, a micro servo motor, a power supply, a screw rod and a cross rod, wherein the power supply and the micro servo motor are integrated in the base, the screw rod is vertically inserted into the base in a fixed shaft mode and is connected with an output shaft of the micro servo motor in a transmission mode, one end of the cross rod is provided with an internal thread hole and is connected with the screw rod in a sleeved mode, and the other end of the cross rod is provided with a chuck facing the electronic dial indicator. Use the utility model discloses an attach support outward, under the prerequisite of keeping suspension type support function in the past, improved the horizontal pole and adjusted the high convenient and positioning accuracy of operation of electron percentage table, and made the discernment nature of human-computer interaction after target in place to electron percentage table point, single can realize the road deflection test overall process, has effectively saved relevant human cost.

Description

External bracket for road deflection test

Technical Field

The utility model relates to a be used for supporting structure, especially relate to a be used for fixing a position electron percentage table and easily high adjustability's outer attached support in road deflection test, belong to electromechanical application technical field.

Background

With the rapid development of national economy, infrastructure is also being widely developed. Among them, road construction is the most important in infrastructure construction. Only under the condition of high-quality roads, the reliable guarantee can be provided for the smooth traffic flow and the service life of the roads. In the current road engineering construction, deflection becomes an important mark of the quality of a road, and in the current deflection detection process, a worker is required to adjust the height of a deflection instrument (namely an electronic dial indicator). The adjustment mostly depends on manual adjustment and positioning and fastening measures of the rough bracket in the height direction and the transverse position, but the working efficiency is lower; and because manual operation easily causes the displacement change of the whole support and the bending instrument loaded by the whole support, larger error in precision is caused.

Disclosure of Invention

The utility model aims at providing a road deflection test attach support outward, solve the problem of electronic percentage table suspension positioning accuracy and altitude mixture control convenience.

The utility model provides a technical solution of above-mentioned purpose is, a road deflection test attaches the support outward, erects in deflection test equipment and is close to short arm end portion side that sticks up, and attaches the electron percentage table height-adjustable who attaches the support outward, its characterized in that: the external bracket comprises a base, a micro servo motor, a power supply, a screw rod and a cross rod, wherein the power supply and the micro servo motor are integrated in the base, the screw rod is vertically inserted into the base in a fixed shaft mode and is connected with an output shaft of the micro servo motor in a transmission mode, one end of the cross rod is provided with an internal thread hole and is connected with the screw rod in a sleeved mode, and the other end of the cross rod is provided with a chuck facing the electronic dial indicator.

Furthermore, a man-machine interaction control panel of the signal access micro servo motor is arranged on the surface of the base, a microprocessor is arranged in the man-machine interaction control panel, and the electronic dial indicator is accessed to the microprocessor to transmit the reading of the gauge head.

Furthermore, the man-machine interaction control panel is provided with a power switch, a start-stop button, a key for parameter input, a display screen and a man-machine signal interaction accessory.

Still further, the man-machine signal interaction accessory is a buzzer, an LED lamp or the multiplexing of the buzzer and the LED lamp.

Furthermore, a controller comprising a microprocessor, a Bluetooth module, a Wifi module and a display screen is arranged in the base, the electronic dial indicator is connected to the microprocessor to transmit the reading of the gauge head, the display screen is exposed on the surface of the base, the controller is in communication connection with the handheld terminal, and the controller interacts with control signals of parameter setting and start-stop control.

Furthermore, the base is provided with a stop lever which is axially parallel and independent relative to the screw rod, and the cross rod is limited on the stop lever and is positioned radially relative to the screw rod

Furthermore, the power supply is a storage battery or a transformation module externally connected with commercial power.

Furthermore, a counter weight block for preventing toppling is arranged in the base.

Use the utility model discloses an attach support outward, possess following progressive: under the prerequisite that remains suspension type support function in the past, improved the horizontal pole and adjusted the high convenient operation of electron percentage table and positioning accuracy, and made human-computer interaction's identifiability behind the electron percentage table point target in place, single can realize the road deflection test overall process, has effectively saved relevant human cost.

Drawings

Fig. 1 is a schematic side view of a preferred embodiment of the externally-attached stand of the present invention.

Fig. 2 is a schematic view of the application state of the externally-attached bracket of the present invention.

Detailed Description

The following detailed description is made of specific embodiments of the present invention with reference to the accompanying drawings, so as to make the technical solution of the present invention easier to understand and grasp, and thus make a clearer definition of the protection scope of the present invention.

The utility model discloses the designer relies on the inconvenience of manual operation entirely to used rough support among the current road deflection testing process, and the great problem of deflection instrument positioning accuracy deviation, relies on the experience of pursuing this type of detection and electromechanical control and using, and the innovation has provided an outer support that attaches to realize the accurate positioning and the interval setting of reading of electron percentage table.

From the technical summary, the external bracket is used for positioning and height adjusting an electronic dial indicator in a road deflection test, the innovative structure of the external bracket is shown in a schematic side view structure of a preferred embodiment shown in fig. 1 and a schematic application state diagram of fig. 2, the external bracket is erected on the side of the deflection test equipment 1 close to the end of a short tilting arm, and the electronic dial indicator 3 attached to the external bracket 2 is adjustable in height. It is firstly known from the above-mentioned deflection test apparatus 1, which mainly comprises lever swing arms 11 and fixed point brackets 12 therebetween, wherein the lever swing arms are formed by connecting segments and are set according to the distance requirement of the field test. And the fixed point support is used as a boundary point, the lever swing arm 11a with one side longer is vertically lapped on the ground, and the short warped arm 11b with the other side is suspended above the ground. The general road deflection test principle is briefly described as follows: the vehicle and other heavy objects pass through a ground point to be measured, the longer lever swing arm 11a conforms to the slight fluctuation of a road, the fluctuation amplitude is reduced according to the corresponding length proportion when the heavy objects are transmitted to the short tilting arm 11b, and finally, the electronic dial indicator with the indicator tip abutting against the end part of the short tilting arm 11b obtains the reading change easy to convert the deflection value. As the innovative characteristics of this application, this external support 2 includes base 21, miniature servo motor 22, power 23, screw rod 24 and horizontal pole 25, and wherein power 23, miniature servo motor 22 are integrative to be integrated among the base, can effectively prevent to raise dust under the test scene on the one hand and cause polluting the damage to equipment, and on the other hand also can obtain certain pleasing to the eye effect. The screw 24 is inserted into the base 21 in a vertical fixed axis manner and is connected with an output shaft of the micro servo motor in a transmission manner. Here, the screw 24 is integrally formed into a polish rod at the bottom and is connected to the surface of the base through a bearing, so as to ensure that the vertical shape is kept under the condition that the cross rod is in a single direction and is heavier; the screw rod main body and the bottom end are both arranged in a threaded manner, and the bottom end is in transmission connection with an output shaft of the miniature servo motor through a reduction gear set or directly and controlled to rotate positively and negatively. And finally, one end of the cross rod 25 is provided with an internal thread hole and is sleeved on the screw rod 24 to form a screw rod connection, and the other transverse end of the cross rod is provided with a chuck facing the electronic dial indicator. The clamping head is used for facilitating the loading of the electronic dial indicator, is firmly positioned and is preferably designed to not damage the appearance of the electronic dial indicator.

Based on the scheme summarized above, the utility model discloses this external support 2 can install the outer end and the reliable location of horizontal pole with the tip of the table down state with the electron percentage table according to conventional operation. Then, the micro servo motor is controlled to output the rotation torque in the required direction to drive the screw rod to rotate, and then the cross rod connected with the screw rod has the adjusting capacity of height positioning in a lifting mode. Here, in order to prevent the cross bar from rotating with the screw rod to affect the lifting amplitude, it is usually convenient to limit the rotation of the cross bar by holding it by hand by a test worker, while in the illustrated preferred embodiment, the base 21 is provided with a stop 26 axially parallel and independent to the screw rod 24, and the cross bar 25 is limited to the stop 26 and cannot rotate in a horizontal plane, i.e. is positioned radially relative to the screw rod.

Meanwhile, from the perspective that the externally attached bracket replaces full manual work, the micro servo motor needs to be matched with signal transmission, signal processing and inter-machine communication to realize corresponding control functions. In the preferred embodiment shown in fig. 1, a man-machine interaction control panel 27 with a signal connected to the micro servo motor 22 is arranged on the surface of the base 21, a microprocessor is integrated in the man-machine interaction control panel, and the electronic dial indicator 3 is connected to the microprocessor to transmit the reading of the gauge head. Meanwhile, the human-computer interaction control panel 27 is further provided with a power switch, a start-stop button, a parameter input key, a display screen and a human-computer signal interaction accessory, wherein the human-computer signal interaction accessory can be a buzzer or an LED lamp controlled by a microprocessor signal or can be multiplexed by the buzzer or the LED lamp. Aiming at prompting a test worker to adjust the electronic dial indicator in place and wait for subsequent test operation.

As will be understood from the specific operation of the outrigger as applied to the road deflection test, reference is made to the state diagram shown in fig. 2. Before the test is started, the control parameters can be adjusted through the man-machine interaction control panel according to the type of the test, and the upper and lower reading intervals of the electronic dial indicator are set. And then putting the deflection test equipment in place according to the standard requirements, and positioning the external bracket and the installed electronic dial indicator above the end part of the short tilting arm. And then clicking a start button of the man-machine interaction control panel to trigger and start the micro servo motor to drive the screw rod to rotate, enabling the cross rod to move downwards through rotation of the screw rod, and enabling the meter tip of the electronic dial indicator to continue to move downwards after contacting with the deflection frame testing head, so that the reading of the dial indicator reaches a set reading interval. After reaching the set reading interval, the servo motor can automatically stop, and simultaneously send out the sound of dripping or light indication to prompt. After receiving the suggestion, the test personnel can arrange the test vehicle according to the requirement and go ahead, and the test vehicle in-process that goes ahead, electron percentage table have certain change, and this test equipment can automatic recording electron percentage table reading change value, looks over on simultaneously spreading into appointed cell-phone or other display device through the bluetooth is automatic. Here, the specific calculation of the deflection value measured in relation to the change of the reading of the electronic dial indicator is a conventionally known calculation method in the industry, and is not within the scope of the present application, so that the detailed description is omitted.

In addition to the preferred embodiment described above, the add-on bracket may also include the following optimization improvements for further performance optimization. For example, wherein a weight block for preventing toppling can be arranged in the base, the accuracy of the controlled lifting displacement of the cross bar can be improved. The power supply can be a storage battery or a transformation module arranged in the storage battery, and the transformation module is externally connected with mains supply for supplying power through a power line so as to drive the micro servo motor and all electronic gas elements in the related human-computer interaction control panel.

Moreover, the base can be also internally provided with a controller comprising a microprocessor, a Bluetooth module, a Wifi module and a display screen, the electronic dial indicator is connected with the microprocessor to transmit the reading of the gauge head, the display screen is exposed on the surface of the base, the controller is in communication connection with the handheld terminal, and the control signals of parameter setting and start-stop control are interacted. Because the tip of short arm-raising is also lower ground clearance usually, test operation personnel can avoid squatting down for a long time and carry out control operations such as parameter setting like this, the test operation of being more convenient for reduces tired sense.

To sum up, the scheme introduction of the external bracket of the utility model and the detailed description of the embodiment combined with the figure can be seen, and the scheme has the substantive characteristics and the progress: under the prerequisite that remains suspension type support function in the past, improved the horizontal pole and adjusted the high convenient operation of electron percentage table and positioning accuracy, and made human-computer interaction's identifiability behind the electron percentage table point target in place, single can realize the road deflection test overall process, has effectively saved relevant human cost.

In addition to the above embodiments, the present invention may have other embodiments, and all technical solutions formed by equivalent replacement or equivalent transformation fall within the scope of the present invention.

Claims (8)

1. The utility model provides a road deflection test attach support outward, erects in deflection test equipment and is close to short arm end portion side that sticks up, and attaches the electron percentage table height-adjustable who attaches the support outward, its characterized in that: the external bracket comprises a base, a micro servo motor, a power supply, a screw rod and a cross rod, wherein the power supply and the micro servo motor are integrated in the base, the screw rod is vertically inserted into the base in a fixed shaft mode and is connected with an output shaft of the micro servo motor in a transmission mode, one end of the cross rod is provided with an internal thread hole and is connected with the screw rod in a sleeved mode, and the other end of the cross rod is provided with a chuck facing the electronic dial indicator.

2. The external bracket for road deflection test according to claim 1, wherein: the surface of the base is provided with a man-machine interaction control panel of the signal access miniature servo motor, a microprocessor is arranged in the man-machine interaction control panel, and the electronic dial indicator is accessed to the microprocessor to transmit the reading of the gauge head.

3. The external bracket for road deflection test according to claim 2, wherein: the man-machine interaction control panel is provided with a power switch, a start-stop button, a key for parameter input, a display screen and a man-machine signal interaction accessory.

4. The external bracket for road deflection test according to claim 3, wherein: the man-machine signal interaction accessory is a buzzer, an LED lamp or the multiplexing of the buzzer and the LED lamp.

5. The external bracket for road deflection test according to claim 1, wherein: the electronic dial indicator is characterized in that a controller comprising a microprocessor, a Bluetooth module, a Wifi module and a display screen is arranged in the base, the electronic dial indicator is connected with the microprocessor to transmit a meter head reading, the display screen is exposed on the surface of the base, the controller is in communication connection with the handheld terminal, and the controller is used for setting interactive parameters and controlling start and stop control.

6. The external bracket for road deflection test according to claim 1, wherein: the base is provided with a stop lever which is axially parallel and independent relative to the screw rod, and the cross rod is limited on the stop lever and is positioned radially relative to the screw rod.

7. The external bracket for road deflection test according to claim 1, wherein: the power supply is a storage battery or a transformation module externally connected with commercial power.

8. The external bracket for road deflection test according to claim 1, wherein: an anti-toppling balancing weight is arranged in the base.

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