Ranging and dotting device for road field investigation

Abstract

The utility model relates to the technical field of road construction distance measurement, in particular to a road field survey distance measurement dotting device, which controls opening and closing of a through hole at the bottom end of a push rod by pulling a reset component, a pull wire and a blocking piece, and realizes filling of pigment in the push rod by utilizing the hollow push rod. The effect of pulling the reset assembly to stack the pull wire and the blocking piece is achieved, control over discharging and closing of the pigment in the push rod is achieved, and the blocking piece can be directly opened to leak pigment marks when a user holds the handle to push the device to move forwards to the marking position in the road field investigation distance measurement dotting process. The operation that a worker holds a pen with one hand and pushes the device with the other hand to carry out distance measurement and squatting dotting marking is avoided, and the working intensity is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of road construction distance measurement, in particular to a road on-site investigation distance measurement and marking device. Background Art

[0002] In road construction, it is sometimes necessary to perform distance measurement and dotting operations to facilitate construction. In the prior art, most of the distance measurement and dotting devices used are of unreasonable structure, time-consuming and labor-intensive. Therefore, how to improve the efficiency of distance measurement and dotting has become a key research direction for those skilled in the art, and has formed relevant technical literature.

[0003] For example: Patent No. 2020211171387 discloses an adjustable spacing dotting distance meter, which mainly includes a distance measuring wheel, a wheel axle, a wheel bracket, a pushing handle and an adjustable dotting device; the distance measuring wheel is fixedly connected to the wheel axle, and the wheel axle is rotatably connected to the wheel bracket; the pushing handle is fixedly connected to the upper end of the wheel bracket; the adjustable dotting device includes a dotting bracket, a speed regulating wheel axle, an adjusting handle, a cam and a dotting connecting rod; the dotting bracket is fixedly connected to the wheel bracket; the speed regulating wheel axle is slidably connected to the dotting bracket, on which a gear set 1 is provided, which meshes with a corresponding gear set 2 provided at the end of the wheel axle; the adjusting handle is fixedly connected to the speed regulating wheel axle, driving the speed regulating wheel axle to move left and right; the cam is fixedly connected to the speed regulating wheel axle, in line contact with the dotting connecting rod, and pushes the dotting connecting rod to move up and down. It solves the distance measurement problem of different spacings in engineering construction, and the device is easy to adjust. However, this device is suitable for marking points on construction sites with soft soil, but cannot be used for marking points on hard soil, concrete or rock. When using a rangefinder to measure distance, it is necessary to carry a marking pen with you and use the marking pen to mark when encountering a hard marking ground. This not only brings labor intensity to the distance measuring and marking workers, but also makes it easy for them to forget to carry the marking pen, affecting construction efficiency.

[0004] In view of this, the researchers combined their long-term practice in road field investigation and construction, aimed at the defects of the distance meters in the existing technology, and proposed improvement ideas based on the existing distance meters, providing new ideas for distance measurement and dot-marking devices for road field investigation and construction. Utility Model Content

[0005] In order to solve the above technical problems existing in the prior art, the utility model provides a road on-site survey distance measurement and marking device.

[0006] This is achieved specifically through the following technical solutions:

[0007] A road on-site survey, distance measurement and dotting device comprises a handle, a push rod, a base, a fixed counting box, a rotating shaft, a walking wheel and a connecting platform, wherein the connecting platform is integrally formed with the base, and the fixed counting box is detachably mounted on the base; the rotating shaft is inserted into and fixedly mounted in the fixed counting box, and the rotating shaft passes through the right end of the fixed counting box; the walking wheel is mounted on the right end of the rotating shaft, the handle is mounted on the top end of the push rod, and the bottom end of the push rod is fixedly connected to the connecting platform; the push rod is hollow inside, and the bottom end of the push rod passes through the connecting platform to form a through hole, and the through hole is hingedly provided with a blocking piece; the handle is integrally formed with the top end of the push rod, and the handle is mounted perpendicular to the axial direction of the push rod; a pulling reset component is provided in the handle, and a pull wire is provided between the pulling reset component and the blocking piece.

[0008] By pulling the reset component, the pull wire and the blocking piece, the opening and closing of the through hole at the bottom of the pile push rod is controlled. The push rod is hollow inside to fill the paint in the push rod, and the release and closing of the paint in the push rod are controlled by pulling the reset component, the pull wire and the blocking piece. During the road on-site investigation, distance measurement and marking, when the device is pushed forward to the marking position by holding the handle, the blocking piece can be directly opened to leak the paint mark, avoiding the operation of the staff holding the pen in one hand and pushing the device with the other hand to measure the distance, and squatting to mark, thereby reducing the work intensity.

[0009] In order to facilitate the filling of pigment or timely replenishment of pigment, preferably, a loading port is provided on the push rod.

[0010] In order to improve the stability of the pull-reset assembly, ensure the flexibility of opening the blocking piece, and simplify the overall structure of the device, preferably, the pull-reset assembly includes a slide groove and a wire drawing groove arranged in the handle, and the wire drawing groove connects the slide groove with the interior of the push rod; a fixed pulley is provided at the internal connecting position of the wire drawing groove and the push rod, a spring and a sliding column are provided in the slide groove, and the sliding column is fixedly connected to the right end of the spring; a pulling groove is provided on the handle and at the position of the slide groove, the sliding column passes through the pulling groove and is fixedly connected to a pulling button, a pulling wire is connected to the sliding column, and the pulling wire passes around the fixed pulley to connect the blocking piece.

[0011] In order to facilitate the installation of the pull-reset assembly, preferably, the handle is formed by an upper cover and a lower cover covering each other.

[0012] In order to prevent the spring in the pull-reset assembly from being squeezed and deformed and jumping out of the pull groove, preferably, the height of the pull groove is less than the diameter of the spring.

[0013] In order to facilitate transportation and carrying, preferably, the push rod includes a first push rod located at the top end and a second push rod located at the bottom end, and the first push rod and the second push rod are fixedly connected by a connecting sleeve.

[0014] In order to improve the flexibility of the blocking piece when opening and closing the through hole, it is preferred that the blocking piece is a circular structure composed of a plurality of fan-shaped pieces, and the arc edge of the fan-shaped piece is hingedly connected to the inner wall of the bottom end of the push rod; a fixing knot is provided at the center point of the circle formed by the fan-shaped pieces, and the fixing knot is respectively arranged on each fan-shaped piece; a plurality of connecting wires are provided on the pull wire, and the connecting wires are respectively connected to the fixing knots.

[0015] In order to improve stability, preferably, the detachable installation is to fix the fixed counting box and the base with a fastening piece.

[0016] In order to facilitate the placement of the device when the staff is resting, preferably, a fixed bracket is provided at the bottom of the base.

[0017] In order to be able to observe and record the number of circles traveled by the walking wheel in time when counting the circumference of the walking wheel to ensure the accuracy of counting, preferably, a plurality of counting wheels are provided on the top of the fixed counting box, and ten numbers are provided on the counting wheel along the circumference of the counting wheel, and two adjacent counting wheels are from right to left, after the counting wheel on the right rotates ten numbers, the counting wheel adjacent to the left will be turned to rotate one number; a toggle bar is provided on the rotating shaft, and the toggle bar can contact the counting wheel at the rightmost end and turn the counting wheel to rotate one number after the rotating shaft rotates one circle.

[0018] Compared with the prior art, the technical effects created by the present invention are embodied in:

[0019] The invention has a simple structure, low improvement cost, and is easy to promote and implement industrially. Moreover, after the improvement, the invention can completely avoid the situation that the road site survey distance measurement marking staff hold the marking pen in one hand and push the device in the other hand, thereby reducing the staff's work intensity and improving the convenience of road site survey distance measurement marking. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the prior art.

[0021] Figure 2 for Figure 1 Schematic diagram of the structure viewed from above.

[0022] Figure 3 for Figure 1 Schematic diagram of the structure viewed from above.

[0023] Figure 4 for Figure 1 Improved structural diagram.

[0024] Figure 5 for Figure 4 Schematic diagram of the partial cross-section structure.

[0025] Figure 6 for Figure 5 A schematic structural diagram of another embodiment.

[0026] Figure 7 The present invention provides an improved structural schematic diagram of the bottom view.

[0027] Figure 8 It is a schematic diagram of the partial cross-sectional structure of a fixed counting box.

[0028] 1-handle 2-first push rod 3-connecting sleeve 4-second push rod 5-travel wheel 6-rotating shaft 7-fixed counting box 8-base 9-fixed bracket 10-counting wheel 11-connecting platform 12-fastening piece 13-through hole 14-blocking piece 15-sliding bar 16-slide groove 17-wire groove 18-spring 19-slide column 20-fixed pulley 21-pull wire 22-connecting buckle 23-fixing knot 24-pull button 25-pull groove 1.1-upper cover 1.2-lower cover. DETAILED DESCRIPTION

[0029] The technical solution created by the present invention is further defined below in conjunction with the accompanying drawings and specific implementation methods, but the scope of protection required is not limited to the description.

[0030] like Figure 1 , Figure 2 and Figure 3 As shown, the road on-site distance measurement and dotting device in the prior art includes a handle 1, a push rod, a base 8, a fixed counting box 7, a rotating shaft 6, a walking wheel 5 and a connecting platform 11, wherein the connecting platform 11 is integrally formed with the base 8, and the fixed counting box 7 is detachably mounted on the base 8; the rotating shaft 6 is inserted and fixedly mounted in the fixed counting box 7, and the rotating shaft 6 passes through the right end of the fixed counting box 7; the walking wheel 5 is mounted on the right end of the rotating shaft 6, the handle 1 is mounted on the top of the push rod, and the bottom end of the push rod is fixedly connected to the connecting platform 11 ; and the push rod is hollow inside, and the bottom of the push rod passes through the bottom of the connecting platform 11 to form a through hole 13. However, there is no device that can be used to directly perform dot marking operations when the road site survey and distance measurement work is carried out, which requires technical personnel in the field to hold the handle 1 when conducting road site survey and distance measurement and marking work, so that the walking wheel 5 walks on the road to measure the distance, and uses a marking pen to mark according to the specific measured distance, resulting in the need for the staff to push the handle 1 with one hand during the work. Figure 1 , Figure 2 and Figure 3The worker uses the device shown in the figure to measure the distance, and holds a marking pen in the other hand. When the measured distance reaches a certain distance, the worker squats down or half squats down and uses the marking pen to mark the road, so that the next time or the following construction workers can accurately determine the measured distance range. This leads to a high workload for the distance measuring and marking personnel, and they need to carry a marking pen with them, which makes it inconvenient to dot marking in road site surveys. Based on this technical defect, this researcher combined the long-term practice of road site surveys, distance measuring and marking work with the tools used to conduct such Figure 1 sum and 2sum Figure 3 The tool shown in the figure is improved to form a new road site survey distance measurement and marking device, and the improvements are as follows: Figure 4 and Figure 5 and Figure 6 and Figure 7 As shown, in some embodiments, the push rod is hollow inside, and the bottom end of the push rod passes through the connecting platform 11 to form a through hole 13, and the through hole 13 is hinged with a blocking piece 14; the handle 1 is integrally formed with the top of the push rod, and the handle 1 is installed perpendicular to the axial direction of the push rod; a pull reset component is provided in the handle 1, and a pull wire 21 is provided between the pull reset component and the blocking piece 14. In this way, the push rod is hollow inside, and the blocking piece 14 is provided on the through hole 13. The pull reset component pulls the blocking piece 14 through the pull wire 21 to achieve opening and closing, and the blocking piece 14 is opened and closed on the through hole 13. When the staff needs to conduct on-site road survey, distance measurement and dot marking, pigments such as lime and powder coatings are filled in the push rod, so that when the staff holds the handle 1 and pushes the walking wheel 5 to walk on the road to measure the distance, after reaching the distance measurement mark point, the pull wire 21 is pulled by the pull reset component, prompting the blocking piece 14 to be pulled open. , so that the paint in the push rod leaks out on the marking point, and the marking is completed. The staff releases and pulls the reset component to loosen the pull wire 21, so that the blocking sheet 14 hinged on the inner wall of the through hole 3 is reset to close the through hole 13, preventing the paint from leaking out, so that the staff can continue to push the device forward to measure the distance and mark the points, avoiding the inconvenience caused by the staff needing to hold the handle 1 with one hand and the marking pen with the other hand to work, and can also avoid the staff needing to squat or half-squat to perform the dot marking operation when pushing the device forward upright on the road, thereby reducing the work intensity of the staff.

[0031] When filling the paint, the technicians in this field can use the pulling reset component to straighten the pull wire 21 so that the blocking piece 14 is opened, and then fill the paint from the through hole 13, release the pulling reset component to reset the blocking piece 14 and close the through hole 13.

[0032] In some embodiments, the push rod is provided with a loading port (not shown in the figure) to facilitate the loading of pigment.

[0033] like Figure 4 and Figure 5 and Figure 6 and Figure 7 As shown, in some embodiments, the pull reset assembly includes a slide groove 16 and a wire drawing groove 17 arranged in the handle 1, and the wire drawing groove 17 connects the slide groove 16 with the inside of the push rod; a fixed pulley 20 is arranged at the position where the wire drawing groove 17 and the inside of the push rod are connected, and a spring 18 and a slide column 19 are arranged in the slide groove 16, and the slide column 19 is fixedly connected to the right end of the spring 18; a pulling groove 25 is arranged on the handle 1 and located at the position where the slide groove 16 is located, and the slide column 19 passes through the pulling groove 25 and is fixedly connected with a pulling button 24, and a pull wire 21 is connected to the slide column 19, and the pull wire 21 bypasses the fixed pulley 20 to connect the blocking sheet 14. It is convenient to control the blocking sheet 14, realize the distance measurement and dot marking operation, and reduce the work intensity of the staff.

[0034] like Figure 4 and Figure 5 and Figure 6 As shown, in some embodiments, the handle 1 is formed by an upper cover 1.1 and a lower cover 1.2 covering each other, so as to facilitate the installation of the pull reset assembly.

[0035] like Figure 4 and Figure 6 As shown, in some embodiments, the height of the pull groove 25 is less than the diameter of the spring 18. This prevents the spring 18 from being deformed and squeezed out of the handle 1 from the pull groove 25, thereby improving the overall stability of the pull reset assembly.

[0036] like Figure 4 and Figure 5 As shown, in some embodiments, the push rod includes a first push rod 2 at the top and a second push rod 4 at the bottom, and the first push rod 2 and the second push rod 4 are fixedly connected by a connecting sleeve 3. It is convenient to disassemble and transport.

[0037] like Figure 7 As shown, in some embodiments, the blocking sheet 14 is a circular structure composed of a plurality of sector-shaped sheets, and the arc edge of the sector-shaped sheet is hingedly connected to the inner wall of the bottom end of the push rod; a fixing knot 23 is provided at the center point of the circular shape composed of the sector-shaped sheets, and the fixing knot 23 is respectively arranged on each sector-shaped sheet; a plurality of connecting wires are provided on the pull wire 21, and the connecting wires are respectively connected to the fixing knots 23. In this way, the opening and closing effect of the blocking sheet 14 can be improved, and the marking effect of the pigment leakage can be ensured.

[0038] like Figure 7 and Figure 8As shown, in some embodiments, the detachable installation is to fix the fixed counting box 7 and the base 8 with a fastening member 12, such as a bolt. This makes it easy to replace the fixed counting box 7 and ensures the stability of the walking wheel 5 moving forward.

[0039] like Figure 1 and Figure 7 and Figure 8 As shown, in some embodiments, a fixed bracket 9 is provided at the bottom of the base 8. It is convenient for the staff to rest during the road site survey, distance measurement and marking, and keep the device stably placed on the distance measurement and marking position to achieve support.

[0040] like Figure 8 As shown, in some embodiments, the top of the fixed counting box 7 is provided with a plurality of counting wheels 10, and ten numbers are provided on the counting wheels 10 along the circumference of the counting wheels 10, and two adjacent counting wheels 10 from right to left, after the counting wheel 10 on the right rotates ten numbers, the counting wheel 10 next to the left is toggled to rotate one number; the rotating shaft 6 is provided with a toggle bar 15, and the toggle bar 15 can contact the counting wheel 10 at the right end and toggle the counting wheel 10 to rotate one number after the rotating shaft 6 rotates one circle. This makes it convenient to record the number of circles of the running wheel 5, and directly convert the number of circles to the counting wheel 10, and directly read it through the display on the fixed counting box 7.

[0041] In some embodiments of the present invention, the travel wheel 5 is detachably connected to the rotating shaft 6. This makes it easy for workers to replace travel wheels 5 of different diameters according to the distance they need to mark, and the number of circles of the travel wheel 5 is used as the basis for marking the distance, which is convenient for recording the distance and for construction workers to find and observe during construction.

[0042] Other matters not covered by the present invention may be achieved by referring to the prior art or common knowledge known to those skilled in the art and conventional technical means.

[0043] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solutions and inventive concepts of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A road site survey distance measurement and marking device, comprising a handle (1), a push rod, a base (8), a fixed counting box (7), a rotating shaft (6), a walking wheel (5) and a connecting platform (11), wherein the connecting platform (11) is integrally formed with the base (8), and the fixed counting box (7) is detachably mounted on the base (8); the rotating shaft (6) is inserted into and fixedly mounted in the fixed counting box (7), and the rotating shaft (6) passes through the right end of the fixed counting box (7); the walking wheel (5) is mounted on the right end of the rotating shaft (6), the handle (1) is mounted on the top end of the push rod, and the bottom end of the push rod is fixedly connected to the connecting platform (11); characterized in that The push rod is hollow inside, and the bottom end of the push rod passes through the connecting platform (11) to form a through hole (13), and the through hole (13) is hingedly provided with a blocking plate (14); the handle (1) and the top end of the push rod are integrally formed, and the handle (1) is installed perpendicular to the axial direction of the push rod; a pull reset component is provided in the handle (1), and a pull wire (21) is provided between the pull reset component and the blocking plate (14).

2. The road site survey distance measurement and marking device as claimed in claim 1, characterized in that: The push rod is provided with a charging port.

3. The road site survey distance measurement and marking device as claimed in claim 1, characterized in that: The pull reset assembly comprises a slide groove (16) and a wire drawing groove (17) arranged in the handle (1), the wire drawing groove (17) connects the slide groove (16) with the interior of the push rod; a fixed pulley (20) is provided at the position where the wire drawing groove (17) and the interior of the push rod are connected, a spring (18) and a slide column (19) are provided in the slide groove (16), and the slide column (19) is fixedly connected to the right end of the spring (18); a pulling groove (25) is provided on the handle (1) and located at the position of the slide groove (16), the slide column (19) passes through the pulling groove (25) and is fixedly connected to a pulling button (24), a pulling wire (21) is connected to the slide column (19), and the pulling wire (21) bypasses the fixed pulley (20) and connects to the blocking plate (14).

4. The road site survey distance measurement and marking device as claimed in claim 1 or 3, characterized in that: The handle (1) is formed by an upper cover (1.1) and a lower cover (1.2) covering each other.

5. The road site survey distance measurement and marking device as claimed in claim 3, characterized in that: The height of the pulling groove (25) is less than the diameter of the spring (18).

6. The road site survey distance measurement and marking device as claimed in claim 1, 2 or 3, characterized in that: The push rod comprises a first push rod (2) located at the top end and a second push rod (4) located at the bottom end, and the first push rod (2) and the second push rod (4) are fixedly connected by a connecting sleeve (3).

7. The road site survey distance measurement and marking device as claimed in claim 1 or 3, characterized in that: The blocking plate (14) is a circular structure composed of a plurality of sector-shaped plates, and the arc edge of the sector-shaped plate is hingedly connected to the inner wall of the bottom end of the push rod; a fixing knot (23) is provided at the center point of the circular shape formed by the sector-shaped plates, and the fixing knot (23) is respectively arranged on each sector-shaped plate; a plurality of connecting wires are provided on the pull wire (21), and the connecting wires are respectively connected to the fixing knots (23).

8. The road site survey distance measurement and marking device as claimed in claim 1, characterized in that: The detachable installation is to fix the fixed counting box (7) and the base (8) with a fastening piece (12).

9. The road site survey distance measurement and marking device as claimed in claim 1 or 8, characterized in that: A fixing bracket (9) is provided at the bottom of the base platform (8).

10. The road site survey distance measurement and marking device as claimed in claim 1, characterized in that: A plurality of counting wheels (10) are arranged on the top of the fixed counting box (7), and ten numbers are arranged on the counting wheels (10) along the circumference of the counting wheels (10), and two adjacent counting wheels (10) are arranged from right to left. After the counting wheel (10) on the right rotates ten numbers, the counting wheel (10) next to the left is moved to rotate one number; and a moving bar (15) is arranged on the rotating shaft (6), and the moving bar (15) can contact the counting wheel (10) at the right end and move the counting wheel (10) to rotate one number after the rotating shaft (6) rotates one circle.

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