Prism reflection device for coarse adjustment of ballast railway steel rail

Abstract

A prism reflection device for coarse adjustment of a ballast railway steel rail belongs to the technical field of railway measurement and comprises a fixed clamping seat, the fixed clamping seat is provided with an installation cavity matched with the steel rail in shape, a prism fixing frame is fixedly arranged on the fixed clamping seat, and a prism is detachably installed in the prism fixing frame. The upper end and the lower end of the prism are detachably connected with an upper rod and a lower rod correspondingly, the upper rod and the lower rod are coaxially arranged, the bottom end of the lower rod is inserted in the center of the fixing clamping base, the upper rod vertically penetrates through the prism fixing frame, and the fixing clamping base can be rapidly and stably installed on a steel rail through the installation cavity. Through the arrangement of the upper rod and the lower rod, the prism can be rapidly disassembled and assembled, rapid and accurate positioning between the prism and the center of the steel rail is guaranteed, positioning can be achieved after the prism is installed in place, use is convenient, positioning precision is high, measurement can be achieved while walking is conducted, and installation and measurement efficiency is high. The device is more suitable for measurement work of steel rail rough adjustment.

Description

TECHNICAL FIELD

[0001] The utility model relates to railway surveying technical field, in particular to a prism reflection device for ballast railway rail rough adjustment. BACKGROUND

[0002] Railway project line is longer, before carrying out track fine adjustment process, it is experienced many times of ballast supplement and rough adjustment, in order to quickly understand the three-dimensional space posture of rail, track geometry state measuring instrument is placed in the measurement position of rail to carry out positioning, then the prism fixed on track geometry state measuring instrument is observed by total station, then the three-dimensional coordinates of prism center are calculated in combination with the fixed mechanical size of track geometry state measuring instrument, the three-dimensional coordinates of track center position are calculated, and the deviation of track center position is obtained by comparing with the design three-dimensional coordinates of measurement position.

[0003] In order to facilitate the rapid positioning of the center of the rail, the X type, Y type and other different types of rapid positioning devices (such as the public number CN204439018U) have appeared, the rapid positioning device is provided with a plurality of center-symmetrically arranged supporting arms, and a prism rod and a prism are arranged at the center, the clamping connection between the rapid positioning device and the rail is realized through the cooperation between the plurality of center-symmetrically arranged supporting arms, and the positioning of the center of the rail is realized.

[0004] The existing rapid positioning device has complex overall structure, and needs to adjust a plurality of supporting arms synchronously, so the installation and adjustment process is complex, and after the rapid positioning device is installed in place, the spatial position of the prism also needs to be adjusted, specifically, rotating the prism rod, and judging the verticality of the prism rod according to the horizontal bubble, although the measurement accuracy is high, but the installation and adjustment process of the rapid positioning device is complex, and the efficiency is low, and the rapid positioning device cannot be applied to the rough adjustment measurement work of the rail. UTILITY MODEL CONTENTS

[0005] In order to solve the technical problems of the existing rapid positioning device for rail center measurement in the background art, the installation and adjustment process is complex, the efficiency is low, and the rapid positioning device cannot be applied to the rough adjustment work of the rail, the utility model provides a prism reflection device for ballast railway rail rough adjustment.

[0006] The technical scheme of the utility model is as follows:

[0007] The utility model provides a kind of prism reflection device for ballast railway rail coarse adjustment, including fixed clamping seat, fixed clamping seat has the installation cavity matched with the appearance of rail, prism fixed frame is fixedly arranged on fixed clamping seat, prism is detachably installed in prism fixed frame, the upper and lower ends of prism correspond detachably connected with upper bar and lower bar, upper bar and lower bar are coaxially arranged, the bottom end of lower bar is inserted in the central position of fixed clamping seat, upper bar vertically passes through prism fixed frame, the setting of installation cavity can ensure that fixed clamping seat is quickly, stably installed on rail, and realize the quick positioning between the center of fixed clamping seat and the center of rail;The detachable connection mode of prism and upper bar, lower bar facilitates the installation, disassembly and replacement of prism, and the coaxial arrangement of upper bar and lower bar and its insertion with fixed clamping seat are helpful to the quick installation and positioning of prism, facilitate the quick adjustment of prism, to ensure the positional accuracy of prism when measuring, facilitate to obtain accurate measurement data, suitable for rail coarse adjustment work.

[0008] Preferably, a first positioning hole is formed at the central position of the top of the fixed clamping seat, the first positioning hole penetrates the top of the fixed clamping seat, and the bottom end of the lower bar is inserted into the first positioning hole. The provision of the first positioning hole provides a precise insertion position for the lower bar, enabling the lower bar to be accurately positioned at the center of the fixed clamping seat, ensuring the central symmetry of the prism reflection device and facilitating the improvement of measurement accuracy and repeatability. Moreover, the insertion method facilitates the assembly and disassembly of the device, improving work efficiency.

[0009] Preferably, a second positioning hole is formed at the top of the prism fixed frame, the second positioning hole is coaxially arranged between the first positioning hole, and the second positioning hole penetrates the top of the prism fixed frame. The upper bar passes through the second positioning hole. The coaxial arrangement of the second positioning hole and the first positioning hole ensures that the upper bar and the lower bar maintain coaxiality in the vertical direction, thereby ensuring the vertical stability of the prism and the central symmetry of the overall device, and improving the reliability of the measurement data.

[0010] Preferably, the diameter of the first positioning hole is smaller than that of the second positioning hole, which can make the lower bar more stable in the first positioning hole and prevent it from shaking in the horizontal direction. At the same time, the upper bar has a certain space for movement in the second positioning hole, which can accommodate the slight displacement of the prism during installation and adjustment, ensure that the prism can be in the best measurement position, and improve the adaptability and measurement accuracy of the device.

[0011] Preferably, the fixed clamping seat is an inverted U-shaped structure, which can be easily installed and disassembled from above the rail, better fit the shape of the rail, increase the contact area with the rail, and improve the stability of the device on the rail.

[0012] Preferably, the front and back sides of the prism fixing frame are open structures, facilitating the installation, adjustment and maintenance of the prism by the operator, improving the work efficiency; meanwhile, the prism and the horizontal bubble on the prism are prevented from being shielded.

[0013] Preferably, the inner cavity height of the prism fixing frame is greater than the height of the prism, providing a certain adjustment space for the prism, facilitating the fine adjustment of the perpendicularity of the prism during installation, ensuring that the prism is in the accurate measurement position, and the horizontal bubble is installed on the prism and extends out of the prism fixing frame, the installation of the horizontal bubble can directly show whether the prism is in the horizontal state, the operator can quickly adjust the prism according to the indication of the horizontal bubble, further improving the measurement accuracy, reducing the measurement error caused by the inclination of the prism, and ensuring the precision and quality of the steel rail rough adjustment work.

[0014] It can be seen from the above technical scheme that the utility model has the advantages that:

[0015] 1、The mounting cavity matched with the shape of the steel rail is arranged on the fixed clamping seat, so that the fixed clamping seat can be quickly and stably installed on the steel rail, the quick positioning between the center of the fixed clamping seat and the center of the steel rail is realized, the prism can be quickly disassembled and assembled through the cooperation of the upper rod, the lower rod, the fixed clamping seat and the prism fixing frame, the quick and accurate positioning between the prism and the center of the steel rail is ensured, the positioning is realized after the prism is installed in place, the positioning is convenient to use and has high precision, the prism does not need to be disassembled and assembled after installation, only the connection between the fixed clamping seat and the steel rail needs to be disassembled and assembled, the measurement can be realized while walking, the installation and measurement efficiency is high, and the device is more suitable for the measurement work of the steel rail rough adjustment.

[0016] 2、The accurate insertion position of the lower rod is provided by the first positioning hole, so that the lower rod can be accurately located at the center of the fixed clamping seat, the center symmetry of the prism reflection device is ensured, the measurement accuracy and repeatability are improved, meanwhile, the insertion mode is convenient for the assembly and disassembly of the device, and the work efficiency is improved.

[0017] 3、The fixed clamping seat is in an inverted U-shaped structure, which can be conveniently installed and disassembled from above the steel rail, can better fit the shape of the steel rail, increase the contact area with the steel rail, and improve the stability of the device on the steel rail. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme of the utility model, the drawings needed to be used in the description will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained by those skilled in the art without creating labor.

[0019] Figure 1The utility model discloses a main view structural schematic drawing (partial section) of the prism reflection device for the ballast railway rail rough adjustment according to one or more embodiments.

[0020] Figure 2 The utility model discloses a plan view structural schematic drawing (partial section) of the prism reflection device for the ballast railway rail rough adjustment according to one or more embodiments.

[0021] Figure 3 The utility model discloses a side view structural schematic drawing (partial section) of the prism reflection device for the ballast railway rail rough adjustment according to one or more embodiments.

[0022] The components represented by the reference numerals in the drawings are as follows:

[0023] 1, fixed holder, 2, prism fixed frame, 3, prism, 4, upper rod, 5, lower rod, 6, first positioning hole, 7, second positioning hole, 8, horizontal bubble, 9, rail. DETAILED DESCRIPTION

[0024] In order to make the purpose, features and advantages of the utility model more obvious and easy to understand, the technical scheme in the utility model will be described clearly and completely in combination with the drawings in the specific embodiment. Obviously, the following described embodiments are only a part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the patent, all other embodiments obtained by the person skilled in the art without creative labor belong to the scope of the patent protection.

[0025] In a typical embodiment of the utility model, as shown in Figures 1-3 A prism reflection device for ballast railway rail rough adjustment is provided, which comprises a fixed holder 1, a prism fixed frame 2, a prism 3, an upper rod 4 and a lower rod 5. The fixed holder 1 is an inverted U-shaped structure, and has a mounting cavity matched with the shape of the rail 9. Specifically, the cross-sectional shape of the mounting cavity is matched with the cross-sectional shape of the rail 9. In actual installation, the fixed holder 1 is buckled on the specified position of the rail 9, so that the rail 9 is located in the mounting cavity, to realize quick positioning and installation of the fixed holder 1 and the rail 9.

[0026] A first positioning hole 6 is formed at the center of the top of the fixed holder 1, and penetrates the top of the fixed holder 1. After the fixed holder 1 is installed on the rail 9, the first positioning hole 6 can be quickly positioned between the center of the rail 9.

[0027] The prism fixing frame 2 is fixedly arranged on the top of the fixing clamping seat 1 in a welding manner, the prism fixing frame 2 is a rectangular frame, and the front and back sides of the prism fixing frame 2 are open structures to avoid shielding the prism 3, the top of the prism fixing frame 2 is provided with a second positioning hole 7 coaxially arranged between the first positioning hole 6, and the second positioning hole 7 penetrates through the top of the prism fixing frame 2, and the second positioning hole 7 is matched with the upper rod 4 and the lower rod 5 on the prism 3 to realize quick positioning and installation of the prism 3.

[0028] The diameter of the first positioning hole 6 is smaller than that of the second positioning hole 7, in the embodiment, the diameter of the first positioning hole 6 is 3 mm to facilitate the contact between the tip of the lower rod 5 of the prism 3 and the center of the steel rail 9, and the diameter of the second positioning hole 7 is 4 mm for installation of the upper rod 4.

[0029] As shown in Figure 1 , the lower rod 5 is threadedly connected with the bottom of the prism 3, and the tip of the bottom of the lower rod 5 is inserted into the first positioning hole 6, and the upper rod 4 is threadedly connected with the top of the prism 3 and vertically penetrates through the second positioning hole 7 to extend outward from the prism fixing frame 2, and the diameter of the upper rod 4 matches the diameter of the second positioning hole 7, for example, the diameter of the upper rod 4 is the same as the diameter of the second positioning hole 7.

[0030] In the embodiment, the inner cavity height of the prism fixing frame 2 is slightly greater than the height of the prism 3, specifically, the inner cavity height of the prism fixing frame 2 is 1 mm greater than the overall height of the prism 3 and the lower rod 5, so that the position of the prism 3 is adjusted after the prism 3 is installed into the prism fixing frame 2, the length of the prism fixing frame 2 is not greater than the overall length of the prism 3, so that the prism fixing frame 2 does not shield the horizontal bubble 8 (as shown in Figure 2 , to facilitate observation of the horizontal bubble 8, the horizontal center line of the horizontal bubble 8 and the horizontal center lines of the first positioning hole 6 and the second positioning hole 7 are located in the same vertical plane, in the embodiment, the diameter of the prism 3 is 30 mm, which is easy to aim and reduces the transverse error, and in order to facilitate the connection of the fixing clamping seat 1 and the steel rail 9, the width of the fixing clamping seat 1 is set to be 1 mm greater than the width of the steel rail 1, so that the gap between the fixing clamping seat 1 and the steel rail 9 is not more than 1 mm, the prism 3 deviates from the center of the steel rail 9 by at most 1 mm, and the prism precision is ensured.

[0031] The prism reflecting device composed of the fixing clamping seat 1, the prism fixing frame 2, the prism 3, the upper rod 4 and the lower rod 5 has an overall height of 40 cm, is simple in structure, has few parts, is light in overall quality, and is convenient to carry in the measurement process.

[0032] The assembling and using process of the prism reflecting device is as follows: the prism fixing frame 2 is welded and fixed on the top of the fixing clamp 1, so that the first positioning hole 6 and the second positioning hole 7 are coaxially arranged, the bottom of the prism 3 is threadedly connected with the lower rod 5, then the prism 3 and the lower rod 5 are placed in the prism fixing frame 2 as a whole, so that the bottom tip of the lower rod 5 is inserted into the first positioning hole 6, the bottom end of the upper rod 4 is passed through the second positioning hole 7 and is threadedly connected with the top of the prism 3, so as to position the prism 3, in use, the upper rod 4 of the prism 3 is held by hand, the prism reflecting device is directly placed on the steel rail 9, so that the fixing clamp 1 is in contact with the top surface of the steel rail 9, after the device is placed on the steel rail 9, the lower sharp rod of the lower rod 5 is automatically clamped in the center of the steel rail 9 through the first positioning hole 6, and the coordinate collection can be carried out, since the height of the prism 3 is low, even if it is not completely vertical, the influence on the coordinate is also small, after the device is placed on the steel rail 9, the leveling can be completed, the total station directly carries out measurement, the waiting time is reduced, the walking and measuring can be realized, and the efficiency of the steel rail rough adjustment data collection is greatly improved.

[0033] The horizontal bubble 8 is arranged, after the prism reflecting device is installed on the steel rail 9, the center positioning precision can be judged according to the horizontal bubble 8, the whole device can be adjusted by holding the upper rod 4, and the rapid leveling and center positioning can be realized by matching the installation cavity with the shape of the steel rail 9.

[0034] The above description of the disclosed embodiments enables a person skilled in the art to implement or use the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to these embodiments shown herein, but will accord with the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A prism reflecting device for coarse adjustment of ballasted railway rails, comprising: The fixed bracket (1) is characterized in that the fixed bracket (1) has an installation cavity that matches the shape of the rail (9), and a prism fixing frame (2) is fixedly provided on the fixed bracket (1). A prism (3) is detachably installed in the prism fixing frame (2). An upper rod (4) and a lower rod (5) are detachably connected to the upper and lower ends of the prism (3). The upper rod (4) and the lower rod (5) are coaxially arranged. The bottom end of the lower rod (5) is inserted into the center position of the fixed bracket (1). The upper rod (4) passes vertically through the prism fixing frame (2).

2. The prism reflecting device for coarse adjustment of ballast railway rails according to claim 1, characterized in that, A first positioning hole (6) is provided at the center of the top of the fixed card holder (1). The first positioning hole (6) passes through the top of the fixed card holder (1), and the bottom end of the lower rod (5) is inserted into the first positioning hole (6).

3. The prism reflecting device for coarse adjustment of ballast railway rails according to claim 2, characterized in that, The top of the prism fixing frame (2) is provided with a second positioning hole (7). The second positioning hole (7) is coaxially arranged with the first positioning hole (6). The second positioning hole (7) passes through the top of the prism fixing frame (2), and the upper rod (4) passes through the second positioning hole (7).

4. The prism reflecting device for coarse adjustment of ballast railway rails according to claim 3, characterized in that, The diameter of the first positioning hole (6) is smaller than that of the second positioning hole (7).

5. The prism reflecting device for coarse adjustment of ballast railway rails according to claim 1, characterized in that, The fixed card holder (1) is an inverted U-shaped structure.

6. The prism reflecting device for coarse adjustment of ballast railway rails according to claim 1, characterized in that, The front and rear sides of the prism fixing frame (2) are open structures.

7. The prism reflecting device for coarse adjustment of ballast railway rails according to claim 1, characterized in that, The height of the inner cavity of the prism fixing frame (2) is greater than the height of the prism (3). A horizontal bubble (8) is installed on the prism (3), and the horizontal bubble (8) extends outward from the prism fixing frame (2).

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