CN212721209U - Power transmission and transformation engineering volume metering device - Google Patents

Abstract

The utility model provides a power transmission and transformation engineering volume metering device, include: the curve ruler comprises a roller and a scale wheel, the roller and the scale wheel are both connected with the fixing frame through a rotating shaft, and the roller is connected with the scale wheel through a transmission mechanism; one end of the ruler is provided with a guide structure; the quantitative relation between the display sizes of the idler wheels and the rear tooth dial and the length of the curve is established, the precision is high, and the measuring range is large; the problem of automatic counting of the rolling turns of the roller is solved, an additional counter or an electronic display device is not needed, the structure is simple, and the manufacturing cost is low; can fuse together with conventional ruler, small in size, portable, convenient to use obviously improves the efficiency and the quality of irregular curve engineering volume measurement among the power transmission and transformation engineering.

Description

Power transmission and transformation engineering volume metering device

Technical Field

The utility model relates to a power transmission and transformation engineering volume metering device, especially a device that is used for power transmission and transformation construction drawing and the measurement of the irregular curve length of engineering entity belongs to the engineering cost field.

Background

The construction cost of the power transmission and transformation project comprises two parts of project amount measurement and project pricing, wherein the project pricing takes the project amount as a basic basis, and whether the project amount measurement is accurate directly influences the accuracy of the project cost and the investment control of the project construction.

The construction drawing and the engineering entity are basic data for engineering quantity measurement. In the calculation of construction drawings, construction material preparation and engineering real experience and collection of power transmission and transformation engineering, measurement scenes of irregular curve lengths, such as side lengths of irregular buildings, lengths of bent cables or pull pipes, lengths of irregular bent roads and the like, are frequently encountered. The conventional measuring tools such as a straight ruler, a tape measure and the like cannot directly measure the length of a curve between two points, the process of fitting the curve track by the conventional curve ruler through self plasticity is complex, and the measuring range is small and is not suitable for long-distance measurement. The existing professional curve length measuring tool usually needs to be embedded with additional devices such as a special counter or an electronic display screen, and is complex in structure, high in cost, large in size and inconvenient to carry.

Under the background that construction drawing depth bidding is comprehensively carried out by state network companies and accurate control of construction cost is realized, tools such as a ruler and a tape measure are still mostly adopted for measuring the length of an irregular curve in actual engineering, the approximate length of the curve is obtained through sectional measurement and complex calculation, the measurement precision is low, and the measurement error is difficult to effectively control.

Disclosure of Invention

In order to solve the technical problem, the utility model provides a power transmission and transformation engineering quantity metering device, which utilizes the gear transmission transformation ratio principle, the quantity relation between the display size of the rolling wheel and the dial of the rear tooth and the curve length is established through the size design of the rolling wheel, the front tooth and the rear tooth, the automatic counting problem of the rolling circle number of the rolling wheel is simply, conveniently and effectively solved, the compatibility problem of the measuring range size and the precision is also solved, no additional counter or electronic display device is needed, can be fused with a conventional ruler, has simple structure, low manufacturing cost, arbitrarily prolonged measuring range, high precision, small volume and convenient use, provides a convenient tool for measuring the irregular curve engineering quantity in power transmission and transformation engineering, has higher popularization value, the method has wide application prospect in the fields of cost and engineering quantity measurement, daily office work and the like in the industries of municipal administration, highways, railways, communication and the like.

In a first aspect, the utility model provides a power transmission and transformation engineering volume metering device, include: the curve ruler comprises a roller and a scale wheel, the roller and the scale wheel are both connected with the fixing frame through a rotating shaft, and the roller is connected with the scale wheel through a transmission mechanism; one end of the ruler is provided with a guide structure.

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. the utility model utilizes the gear transmission transformation ratio principle to establish the quantitative relation between the display size of the idler wheel and the rear tooth dial and the curve length, and has high precision and large measuring range; the problem of the automatic counting of the number of rolling turns of the roller is solved, an additional counter or an electronic display device is not needed, the structure is simple, and the manufacturing cost is low.

2. The utility model discloses a ruler and the curve ruler that are connected with the mount are set up, the one end of ruler has guide structure, can fuse together with conventional ruler, small in size, portable, convenient to use.

3. The utility model discloses, can be through directly with the gyro wheel along curvilinear motion measurement curve length, go back the guide structure on the accessible ruler and slide along the curve, the gyro wheel that is in same horizontal plane drives the scale wheel and rotates and move on the drawing and set for the distance, reads out curve length according to the scale on gyro wheel and the scale wheel at last, and the efficiency and the quality of irregular curve engineering volume measurement obviously improve in the power transmission and transformation engineering.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.

Fig. 1 is a schematic structural view of the present invention;

in the figure: 1. a roller; 2. front teeth; 3. rear teeth; 4. a main shaft; 5. a secondary axis; 6. a ruler plate; 7. a fixed mount; 8. a first pointer; 9. and a second pointer.

The specific implementation mode is as follows:

the present invention will be further explained with reference to the accompanying drawings and examples.

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

Example 1

The utility model discloses a main aim at overcomes above-mentioned prior art defect, provides a power transmission and transformation engineering volume metering device. The utility model discloses utilize the gear drive transformation ratio principle, through gyro wheel and preceding tooth, the size design of back tooth, the quantity relation between gyro wheel and back tooth calibrated scale demonstration size and the curve length has been established, the automatic counting problem of gyro wheel roll number of turns has been solved simply and conveniently effectively, the compatible problem of range size and precision height has also been solved, need not extra counter or electronic display device, and can fuse together with conventional ruler, moreover, the steam generator is simple in structure, the cost of manufacture is low, the range can prolong wantonly, high accuracy, small in size, convenient to use, for the measurement of irregular curve engineering volume provides convenient tool in the power transmission and transformation engineering, higher spreading value has, in the municipal administration, the highway, railway, there is extensive application prospect in the fields such as the cost engineering volume measurement of trades such as communication and daily official working.

In order to achieve the above purpose, the utility model adopts the technical scheme that:

as shown in fig. 1, a power transmission and transformation project measuring apparatus includes: the curve ruler comprises a roller and a scale wheel, the roller and the scale wheel are both connected with the fixing frame through a rotating shaft, the roller is connected with the scale wheel through a transmission mechanism, and the roller and the scale wheel are both provided with dials; one end of the ruler is provided with a guide structure, and one end of the guide structure and the bottom edge of the roller are located on the same horizontal plane. When measuring the straight line on the power transmission and transformation engineering drawing, directly measure through the ruler, when measuring the curve, can be through directly measuring curve length with the gyro wheel along curvilinear motion, still can slide along the curve through guide structure on the ruler, the gyro wheel that is in same horizontal plane drives the scale wheel and rotates and move the settlement distance on the drawing, reads out curve length according to the scale on gyro wheel and the scale wheel at last.

Furthermore, the fixed frame is respectively provided with indicating needles corresponding to the dial of the roller and the dial of the scale wheel and used for reading the sizes marked by the scale lines on the roller and the rear teeth; the first pointer is opposite to the wheel dial, and the second pointer is opposite to the dial of the dial wheel.

Furthermore, the transmission mechanism comprises a first gear coaxial with the roller, the scale wheel is provided with a tooth-shaped structure matched with the first gear, and the first gear is matched and connected with the tooth-shaped structure on the outer edge of the scale wheel.

Furthermore, one end of the fixing frame is provided with a handheld structure, and the handheld structure is cross-shaped.

Furthermore, the roller is connected with the scale wheel through a gear mechanism with a set transmission ratio.

Further, the guiding structure is a structure with a pointed end, including but not limited to a straight rod, a triangle, a cone, a diamond, a parallelogram, or a smaller cylinder, a sphere or other structures.

Furthermore, the roller is connected with the fixed frame through a first rotating shaft, and the scale wheel is connected with the fixed frame through a second rotating shaft; the curve ruler is positioned between the fixing frame and the straight ruler, and the straight ruler is fixedly connected with the first rotating shaft and the second rotating shaft respectively; the first rotating shaft and the second rotating shaft are fixedly connected with the fixing frame.

Example 2

The utility model provides a power transmission and transformation engineering volume metering device, includes gyro wheel 1, preceding tooth 2 and back tooth 3, and gyro wheel 1 and preceding tooth 2 nestification are on same main shaft 4, and gyro wheel 1 is used for the rolling curve orbit that awaits measuring, and main shaft 4 is used for supporting gyro wheel 1 and preceding tooth 2 and keeps both synchronous rotations, and preceding tooth 2 and back tooth 3 are with gear ratio 1: 5 are meshed to realize that the roller 1 rotates for 1/5 circles by one circle of rear teeth, scale marks are marked on the roller 1 and the rear teeth 3 and used for displaying sizes, the actual circumference of the roller 1 is 10cm, the minimum division value is 0.1cm, the range of one circle is 10cm, the actual circumference of the rear teeth 3 is 10cm, the minimum division value is 1cm, the range of one circle calculated according to the circumference of the roller 1 and the gear ratio is 50cm, the rear teeth 3 are sleeved on the secondary shaft 5, the main shaft 4 and the secondary shaft 5 are fixed between a straight ruler plate 6 and a fixed frame 7, an indicating needle 8 and an indicating needle 9 are respectively arranged on the fixed frame 7 and used for reading the sizes marked by the scale marks on the roller 1 and the rear teeth 3, and the range of the straight ruler plate is 20 cm.

And the fixed frame is respectively provided with indicating needles corresponding to the roller wheel dial and the rear tooth dial and used for reading the sizes marked by the scale marks on the roller wheel and the rear tooth.

The front teeth and the rear teeth are engaged with each other at a gear ratio in the range of 2-10.

The circumference range of the roller is 2cm-20 cm.

The using process is as follows: firstly, setting a zero dial, namely aligning the pointer 8 and the pointer 9 with the 0 scale mark on the roller 1 and the rear tooth 3 respectively; then, any point on the roller 1 is aligned with the starting point of the curve track to be measured, and the roller 1 rolls along the curve track to be measured. When the roller 1 rolls along the curve track to be measured, the front teeth 2 and the roller 1 are driven by the main shaft 4 to synchronously rotate at the same angle, and meanwhile, the front teeth 2 drive the rear teeth 3 to synchronously rotate at the same arc length due to the gear meshing relationship between the front teeth 2 and the rear teeth 3. When the roller 1 reaches the end point of the curve track to be measured, the roller 1 stops rolling, the readings on the scale marks corresponding to the pointers of the rear teeth 3 and the roller 1 are read, the tens digits and the number digits of the readings of the pointers of the rear teeth 3 can be taken (according to the design, the number digits displayed by the pointers of the rear teeth 3 are consistent with the roller 1, so the number digits can also be taken as the readings of the roller 1), the decimal digits of the readings of the pointers of the roller 1 are taken, and the curve length value is obtained by adding the digits. If the pointer number of the rear tooth 3 is 6cm and the pointer number of the roller 1 is 6.8cm, the length of the curve is 6.8cm, and if the pointer number of the rear tooth 3 is 28cm and the pointer number of the roller 1 is 8.6cm, the length of the curve is 28.6 cm. After the measurement is finished, the roller 1 or the rear tooth 3 is manually rolled, so that the pointer 8 and the pointer 9 are respectively aligned with the 0 scale mark on the roller 1 and the rear tooth 3.

The curve measuring device can be extended at will by counting the number of turns of the rear gear 3, for example, the number of the rear gear ring is 50cm when the number of the rear gear ring is completely turned by 1 turn, n number of the rear gear ring is 50cm when the number of the rear gear ring is completely turned by n turns, and the length of the curve is n multiplied by 50cm plus the number of the rollers 1.

Although the present invention has been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and those skilled in the art should understand that various modifications or variations that can be made by those skilled in the art without inventive work are still within the scope of the present invention.

Claims (10)

1. A power transmission and transformation project measuring device is characterized by comprising: the curve ruler comprises a roller and a scale wheel, the roller and the scale wheel are both connected with the fixing frame through a rotating shaft, and the roller is connected with the scale wheel through a transmission mechanism; one end of the ruler is provided with a guide structure.

2. An electric transmission and transformation project measuring device according to claim 1, characterized in that the transmission mechanism comprises a first gear wheel coaxial with the roller wheel, and the scale wheel has a tooth-type structure cooperating with the first gear wheel.

3. The electric transmission and transformation project measuring device of claim 1, wherein the roller and the dial wheel each have a dial thereon.

4. The electric transmission and transformation project measuring device according to claim 3, wherein the fixing frame is provided with indicating needles corresponding to the dial of the roller and the dial of the scale wheel, respectively.

5. The electric transmission and transformation project measuring device of claim 1, wherein one end of the fixing frame has a hand-held structure, and the hand-held structure is cross-shaped.

6. The electric transmission and transformation project metering device of claim 1, wherein the roller is connected with the scale wheel through a gear mechanism with a set transmission ratio.

7. The electrical transmission and transformation project metering device of claim 1, wherein the guide structure is a structure having a pointed end.

8. The electric transmission and transformation project metering device of claim 1, wherein one end of the guide structure is at the same level as a bottom edge of the roller.

9. The electric transmission and transformation project measuring device of claim 1, wherein the roller is connected to the fixing frame through a first rotating shaft, and the scale wheel is connected to the fixing frame through a second rotating shaft.

10. The electric transmission and transformation project measuring device of claim 9, wherein the curved ruler is located between the fixed frame and the straight ruler, and the straight ruler is fixedly connected with the first rotating shaft and the second rotating shaft respectively; the first rotating shaft and the second rotating shaft are fixedly connected with the fixing frame.

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