CN219714358U - Bridge position riverbed section measuring device - Google Patents

Abstract

The utility model provides a bridge position riverbed section measuring device which comprises a base main body and a measuring main body, wherein the base main body is of an h-shaped frame structure, two sides of the base main body comprise an inner side vertical rod, an outer side vertical rod and a transverse rod, and the outer side vertical rod, the transverse rod and the inner side vertical rod are sequentially connected to form the h-shaped frame structure, so that two sides of a bridge guardrail are conveniently clamped with the outer side vertical rod and the inner side vertical rod; the two sides of the measuring main body comprise bending rods, and a measuring cross rod is connected between the bending rods; the long shaft is rotationally connected between the bending rods of the measuring main body, the rotary table is arranged on the long shaft, the coil is connected on the rotary table, one end of the coil is fixedly connected with the weight, and the measuring main body is clamped with the base main body through the connecting clamping groove so as to be convenient to detach and connect between the base main body and the measuring main body. The technical scheme has the advantages of quick and convenient measurement, automatic measurement, easy measurement of the elevation of the bridge position, good technical and economic benefits and wide application prospect.

Description

Bridge position riverbed section measuring device

Technical Field

The utility model relates to the technical field of measurement, in particular to a bridge position riverbed section measuring device.

Background

The river section measurement is the main content of river topography measurement, and comprises longitudinal section measurement and cross section measurement, and is an important means for knowing the condition of bridge pier foundation flushing and river channel transition at bridge sites and river bed flushing and sedimentation conditions.

At present, the method for measuring the section of the river bed mainly comprises the following steps: first, baseline measurement. Based on the principle of intersection method, the theodolite and the survey vessel are used for measurement, and finally the triangle sine theorem is used for calculation, so that the measurement accuracy is poor and the data processing is complicated.

And second, total station measurement positioning method. The method is to hang the depth finder and the reflecting prism vertically at the position about 1/3 from the ship's head, the ship is running at a slow speed on the section line, the total station is set up on the known coordinate point, the data of the total station and the ultrasonic detector are combined to obtain the section elevation, the method is the most adopted at present, but 3 persons are required to cooperate, the fixed total station measuring point is required, the total station and the ship are required to be in sight, and the measuring cost is high.

Thirdly, GPS measuring and positioning method. The GPS and ultrasonic sounding instrument are adopted for measurement, and both equipment can be installed on a survey vessel.

In summary, the prior art means have the problems of poor measurement precision, high measurement cost and the like when used for measuring the section of the river bed.

Disclosure of Invention

The method aims to solve the problems of poor measurement precision and high measurement cost in the prior art for measuring the section of the bridge position river bed.

The technical scheme of the utility model is as follows:

the utility model provides a bridge position riverbed section measuring device, including base main part and measurement main part, the base main part is h shape frame construction and makes the base main part can conveniently joint in bridge guardrail upside, the both sides of base main part include inboard montant, outside montant and transverse rod, thereby outside montant and transverse rod, inboard montant connect gradually and be h shape frame construction thereby make the both sides of bridge guardrail convenient with outside montant, inboard montant joint; the transverse rods on two sides of the base main body are connected through a butt strap, and a control button, a data processing device and a digital display screen are arranged on the butt strap and used for controlling and monitoring the operation of the device; the two sides of the measuring main body comprise bending rods, and a measuring cross rod is connected between the bending rods; a long shaft is rotationally connected between the bending rods of the measuring main body, a rotary table is arranged on the long shaft, a coil is connected to the rotary table, one end of the coil is fixedly connected with a weight, and one end of the rotary table is connected with a measuring control assembly for controlling and measuring the rotation of the rotary table; the measuring main body is connected to the upper end of the base main body, and the measuring main body and the base main body are clamped through the connecting clamping groove so as to be convenient to detach and connect between the base main body and the measuring main body.

Furthermore, the utility model relates to a bridge position river bed section measuring device, which aims to ensure that a base main body can be firmly clamped with a bridge guardrail during measurement operation, so that the measurement operation can be successfully and safely completed.

Furthermore, the bridge position river bed section measuring device is convenient for the device to operate and use in an electric control operation mode, and meanwhile, the power supply part of the device is ensured to be stable and reliable, and the power supply device is further arranged on the access board and connected with the data processing device.

Furthermore, in order to further improve the reliability and accuracy of the bridge position river bed section measuring device, the sensors are connected between the two ends of the long shaft and the bending rods and used for measuring the radial pressure between the two ends of the long shaft and the bending rods.

Furthermore, the bridge position river bed section measuring device is used for improving the efficiency of the device in measuring operation, so that the river bed section can be measured efficiently, and the measuring control assembly comprises a transmission assembly and a motor, and the motor drives the turntable to rotate through the transmission assembly.

Furthermore, the bridge position riverbed section measuring device disclosed by the utility model is used for further optimizing the structure of the device so as to ensure the reliability of the structure of the device, the transmission assembly comprises a large gear and a small gear, the large gear is meshed with the small gear, the large gear is fixedly connected to one end of the turntable, and the small gear is connected with the motor.

Furthermore, the bridge position riverbed section measuring device is characterized in that a rotation counting device is connected between the pinion and the motor and used for measuring the rotation number of the pinion and the motor in order to further ensure the measuring precision and the measuring efficiency of the device.

Furthermore, in order to improve the strength of the bridge position river bed section measuring device and further improve the service life of the device, the rotary table is internally connected with a circular tube, the long shaft is sleeved on the inner side of the circular tube, and bearings are connected between the two ends of the circular tube and the long shaft.

The utility model has the beneficial effects that:

the bridge position river bed section measuring device provided by the utility model comprises the base main body and the measuring main body, the technical scheme is rapid and convenient to measure, automatic measurement can be realized, and the bridge position elevation is easy to measure, so that the bridge position river bed section measuring device has good technical and economic benefits and wide application prospects, and is particularly beneficial in that:

1. by controlling the height of the weight, when the weight contacts the river bed, the force transfer of the coil is reduced, the position of the river bed is judged by utilizing the change of the force transfer of the coil, the principle is simple, and the practicability is strong;

2. the digitization of measurement is realized by arranging a motor, a big gear and a small gear and by arranging a pressure sensor;

3. the measuring equipment is composed of the base and the measuring device, so that the whole occupied space of the equipment is reduced, the carrying and the installation are convenient, the base can be flexibly arranged on various bridge guardrails, and the practicability is high;

4. the measurement data is transmitted to the data processing device through the rotary counting device, and the motor is intelligently driven according to the pressure data, so that the measurement automation and the data processing automation can be realized.

Drawings

FIG. 1 is a side view of a bridge level riverbed section measuring apparatus according to the present utility model;

FIG. 2 is a front view of a bridge level riverbed section measuring apparatus according to the present utility model;

FIG. 3 is a top view of a bridge level riverbed section measuring apparatus according to the present utility model;

FIG. 4 is a schematic diagram showing the cooperation structure of a bridge position river bed section measuring device and a bridge guardrail;

FIG. 5 is a side view of a bridge level riverbed section measuring apparatus of the present utility model mated with a bridge railing;

FIG. 6 is a flow chart of the absolute elevation calculation of the riverbed of the bridge position riverbed section measuring device;

name and number in the figure: 1. bridge guard rail; 2. a base body; 3. a measuring body; 4. a connecting clamping groove; 5. a weight; 21. an inner side vertical rod; 22. an outer side vertical rod; 23. a transverse bar; 24. a fixing bolt; 25. a control button; 26. a power supply device; 27. a data processing device; 28. a digital display screen; 29. a butt strap; 31. bending the rod; 32. measuring a cross bar; 33. a sensor; 341. a long axis; 342. a turntable; 343. a round tube; 344. a bearing; 345. a coil; 351. a large gear; 352. a pinion gear; 353. a rotation counting device; 354. and a motor.

Detailed Description

In order to enable those skilled in the art to better understand the technical scheme of the present utility model, the present utility model is described in detail below with reference to the accompanying drawings.

As shown in fig. 1 to 5, the utility model provides a bridge position riverbed section measuring device, which comprises a base main body 2 and a measuring main body 3, wherein the base main body 2 is of an h-shaped frame structure, so that the base main body 2 can be conveniently clamped on the upper side of a bridge guardrail 1, and the bridge position riverbed section is measured by using the device. The two sides of the base main body 2 comprise an inner side vertical rod 21, an outer side vertical rod 22 and a transverse rod 23, wherein the outer side vertical rod 22, the transverse rod 23 and the inner side vertical rod 21 are made of steel pipes and are sequentially connected to form an h-shaped frame structure as shown in fig. 2, so that the two sides of the bridge guardrail 1 are conveniently clamped with the outer side vertical rod 22 and the inner side vertical rod 21; the transverse rods 23 on the two sides of the base main body 2 are connected through an access board 29, and a control button 25, a data processing device 27 and a digital display screen 28 are arranged on the access board 29 and used for controlling and monitoring the operation of the device. The two sides of the measuring body 3 comprise bending rods 31, and measuring cross rods 32 are connected between the bending rods 31, namely, the bending rods 31 and the measuring cross rods 32 are connected with each other to form other parts and components of the frame structure of the measuring body 3 for supporting the flow body. A long shaft 341 is rotatably connected between the bending rods 31 of the measuring main body 3, a rotary table 342 is mounted on the long shaft 341, a coil 345 is connected to the rotary table 342, one end of the coil 345 is fixedly connected with a weight 5, and one end of the rotary table 342 is connected with a measuring control assembly for controlling and measuring the rotation of the rotary table 342; the measuring main body 3 is connected to the upper end of the base main body 2, and the measuring main body 3 is clamped with the base main body 2 through the connecting clamping groove 4 so as to be convenient for disassembly and connection between the base main body 2 and the measuring main body 3.

As shown in fig. 1 to 5, further, in order to ensure that the base body 2 can be firmly clamped with the bridge railing 1 during the measurement operation of the bridge position river bed section measuring device, a fixing bolt 24 is installed at the lower end of the base body 2, the fixing bolt 24 is connected to the lower end of the inner side vertical rod 21, and the fixing bolt 24 penetrates through the lower end of the inner side vertical rod 21. That is, as shown in fig. 5, when the device is clamped with the bridge railing 1, the device can be further fixed with the bridge railing 1 through the fixing bolts 24, so that the measuring main body 3 can be safely carried out when the measuring operation is carried out, and the danger in the measuring operation process is prevented. Furthermore, in order to facilitate the operation and the use of the device, and to ensure the stability and reliability of the power supply part of the device, the access board 29 is further provided with a power supply device 26, and the power supply device 26 is connected with the data processing device 27. The power supply is arranged on the device, so that the device can be conveniently used in a moving way, namely, the device can flexibly operate on a measuring site.

As shown in fig. 2, further, in order to further improve the reliability and accuracy of the bridge position river bed section measuring device according to the present utility model, a sensor 33 is connected between two ends of the long shaft 341 and the curved rod 31, and the sensor 33 is used for measuring the radial pressure between two ends of the long shaft 341 and the curved rod 31. Namely, the sensor 33 is connected between the two ends of the long shaft 341 and the bending rod 31 for measuring the radial pressure between the two ends of the long shaft 341 and the bending rod 31, so that the measurement accuracy of the heavy object 5 when being lowered to the surface of the river bed can be further improved, the accuracy of the final measurement result is ensured, and the error of measuring the section of the river bed is reduced.

As shown in fig. 1 to 5, further, in order to improve the efficiency of the apparatus for measuring the section of the river bed, the measuring control assembly comprises a transmission assembly and a motor 354, and the motor 354 drives the turntable 342 to rotate through the transmission assembly. Further, the transmission assembly includes a large gear 351 and a small gear 352, the large gear 351 and the small gear 352 are meshed with each other, the large gear 351 is fixedly connected to one end of the turntable 342, and the small gear 352 is connected to the motor 354. Namely, the motor 354 is connected with the small gear 352 to drive the large gear 351 to rotate, so that the structure of the device is further optimized, and the reliability of the structure of the device is guaranteed. Further, in order to further ensure the measurement accuracy and efficiency of the device, a rotation counting device 353 is connected between the pinion 352 and the motor 354, and the rotation counting device 353 is used for measuring the rotation number of the pinion 352 and the motor 354. The number of turns of the pinion 352 and the motor 354 can be precisely measured by the rotation counting device 353, thereby confirming the number of turns of the large gear 351, i.e., the number of turns of the turntable 342, and further assisting in measuring the specific lowered length of the coil 345, thereby precisely measuring the height of the section of the river bed. Further, in order to improve the strength of the bridge position river bed section measuring device and the service life of the device, the turntable 342 is connected with a circular tube 343, the long shaft 341 is sleeved on the inner side of the circular tube 343, and a bearing 344 is connected between two ends of the circular tube 343 and the long shaft 341. The structure of the device is further optimized, so that the service life of the device is prolonged.

The rotation counting device 353 of the present device may record the rotation direction and rotation cycle number of the motor 354 and transmit data to the data processing device 27, the sensor 33 transmits real-time pressure data to the data processing device 27, the digital display screen 28 further includes a real-time height, the data processing device 27 analyzes the rotation cycle number and fixed parameters and displays the real-time height on the digital display screen 28, the control button 25 further includes an automatic measurement button and a zero clearing button, and when the zero clearing button is pressed, the real-time height in the digital display screen 28 is cleared, and when the present device is specifically used for measurement, measurement is performed according to the following procedures:

s1: fixing the base main body 2 on the bridge guardrail 1, assembling the measuring main body 3 and the base main body 2, and adjusting the sagging height of the heavy objects 5 to enable the bottom surface of the heavy objects 5 to sag to the top surface of the guardrail;

s2: measuring the absolute height H of the top of the guardrail, and resetting the real-time height in the digital display frame;

s3: the automatic measurement button is pressed, the data processing device 27 controls the motor 354 to slowly lower the weight 5, and the data processing device 27 processes the rotation angle of the motor 354 transmitted by the rotation counting device 353 and the pressure data transmitted by the sensor 33 and performs comprehensive analysis;

s4: when the pressure data transmitted by the sensor 33 starts to become smaller, the data processing device 27 records the real-time pressure data D2 of the sensor 33 at this time and controls the motor 354 to slow down the lowering speed;

s5: when the real-time pressure data of the sensor 33 is not reduced any more, the data processing device 27 controls the motor 354 to stop lowering the weight 5 and records the real-time pressure data D3 of the sensor 33 at the moment;

s5: the data processing device 27 controls the motor 354 to slowly lift the weight 5, so that the coil 345 is straightened, and when the real-time pressure data reading of the sensor 33 reaches half of the reading D2, the data processing device 27 records the rotation angle W of the motor 354 transmitted by the rotation counting device 353 at the moment;

s6: the absolute elevation C of the riverbed can be calculated from H, W, the diameter D of the coil 345, the longitudinal capacity a of the turntable 342, the initial outer diameter D of the outer coil 345, and the initial longitudinal position B of the outer coil 345.

The absolute elevation calculation flow chart of a specific riverbed is shown in fig. 6.

The principles and embodiments of the present utility model have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present utility model and its core ideas. The foregoing is merely a preferred embodiment of the utility model, and it should be noted that, due to the limited text expressions, there is objectively no limit to the specific structure, and that, for a person skilled in the art, modifications, adaptations or variations may be made without departing from the principles of the present utility model, and the above technical features may be combined in any suitable manner; such modifications, variations and combinations, or the direct application of the inventive concepts and aspects to other applications without modification, are contemplated as falling within the scope of the present utility model.

Claims (8)

1. Bridge position riverbed section measuring device, characterized by, include:

the base body (2), the base body (2) is of an h-shaped frame structure, two sides of the base body (2) comprise an inner side vertical rod (21), an outer side vertical rod (22) and a transverse rod (23), and the outer side vertical rod (22) is sequentially connected with the transverse rod (23) and the inner side vertical rod (21) to form an h-shaped frame structure; the transverse rods (23) on two sides of the base main body (2) are connected through a butt strap (29), and a control button (25), a data processing device (27) and a digital display screen (28) are arranged on the butt strap (29);

the measuring device comprises a measuring main body (3), wherein two sides of the measuring main body (3) comprise bending rods (31), and measuring cross rods (32) are connected between the bending rods (31); a long shaft (341) is rotatably connected between the bending rods (31) of the measuring main body (3), a rotary table (342) is mounted on the long shaft (341), a coil (345) is connected to the rotary table (342), one end of the coil (345) is fixedly connected with a weight (5), and one end of the rotary table (342) is connected with a measuring control assembly for controlling and measuring rotation of the rotary table (342);

the measuring main body (3) is connected to the upper end of the base main body (2), and the measuring main body (3) is clamped with the base main body (2) through the connecting clamping groove (4).

2. The bridge position riverbed section measuring device according to claim 1, wherein a fixing bolt (24) is installed at the lower end of the base main body (2), the fixing bolt (24) is connected to the lower end of the inner side vertical rod (21), and the fixing bolt (24) penetrates through the lower end of the inner side vertical rod (21).

3. The bridge position riverbed section measuring device according to claim 1, characterized in that the access board (29) is further provided with a power supply device (26), and the power supply device (26) is connected with a data processing device (27).

4. The bridge position riverbed section measuring device according to claim 1, characterized in that a sensor (33) is connected between both ends of the long shaft (341) and the bending rod (31), and the sensor (33) is used for measuring radial pressure between both ends of the long shaft (341) and the bending rod (31).

5. The bridge position riverbed section measuring device according to claim 1, wherein the measurement control assembly comprises a transmission assembly and a motor (354), and the motor (354) drives the turntable (342) to rotate through the transmission assembly.

6. The bridge position riverbed section measuring apparatus as claimed in claim 5, wherein the transmission assembly includes a large gear (351) and a small gear (352), the large gear (351) and the small gear (352) are engaged with each other, the large gear (351) is fixedly connected to one end of the turntable (342), and the small gear (352) is connected to the motor (354).

7. The bridge position riverbed section measuring apparatus as claimed in claim 6, wherein a rotation counting device (353) is connected between the pinion (352) and the motor (354), the rotation counting device (353) is used for measuring the rotation number of the pinion (352) and the motor (354).

8. The bridge position riverbed section measuring device according to claim 1, wherein a round tube (343) is connected in the turntable (342), the long shaft (341) is sleeved on the inner side of the round tube (343), and a bearing (344) is connected between two ends of the round tube (343) and the long shaft (341).