Portable paying-off measuring device for engineering surveying

By introducing cleaning cotton and a movable frame structure into the wire-laying measuring device, the problems of cleaning dust and adjusting height were solved, enabling stable winding and placement of the measuring ruler, and improving the service life and measurement accuracy of the device.

CN223906310UActive Publication Date: 2026-02-13CHINA FIRST HIGHWAY ENGINEERING CO LTD +1
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Patent Information

Application Number
CN202520615392.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-03
Publication Date
2026-02-13
Estimated Expiration
2035-04-03

AI Technical Summary

Technical Problem

Existing wire-laying measuring devices cannot clean dust and dirt when rewinding the measuring ruler, leading to increased wear. Furthermore, the lowering height of the measuring ruler cannot be adjusted according to requirements, affecting measurement accuracy and stability.

Method used

A portable wire-laying measuring device with a cleaning component was designed. The device wipes the dust off the measuring ruler with a cleaning cotton, and adjusts the lowering height of the measuring ruler by moving the frame and positioning hole plate. Combined with the structure of casters and support rollers, the measuring ruler can be stably placed and wound up.

Benefits of technology

It effectively cleans dust and dirt, extends the life of the measuring ruler, and allows for adjustment of the measuring ruler height as needed, thus improving the stability and accuracy of measurements.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of engineering surveying, and provides a portable pay-off surveying device for engineering surveying, which comprises a frame, a first rotating rod rotationally connected onto the frame, a moving roller fixedly connected onto the first rotating rod, vertical plates fixedly connected onto the frame, a second rotating rod rotationally connected onto the two vertical plates, and a wind-up roller fixedly connected onto the second rotating rod. A measuring scale is wound on the wind-up roller; a mounting frame is fixedly connected to the front end of the frame, a cleaning assembly is arranged in the mounting frame in a sliding mode, the cleaning assembly comprises a moving frame arranged in the mounting frame in a sliding mode, two pieces of cleaning cotton are fixedly connected in the moving frame, the free end of the measuring scale penetrates through the two pieces of cleaning cotton, and a rotating handle is arranged at one end of the second rotating rod. And the lowering height of the measuring scale can be adjusted according to use requirements.
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Description

TECHNICAL FIELD

[0001] The utility model relates to engineering surveying technical field more specifically, especially, relates to a portable pay -off surveying device for engineering surveying. BACKGROUND

[0002] Engineering surveying plays a very important role in engineering planning, construction and management stages. Obtaining spatial data related to engineering construction is an important goal of the measurement link. Engineering surveying work can provide reliable and accurate spatial data for design, construction, operation and other links, which can ensure the normal operation of the engineering project, and thus ensure the speed, quality and effect of engineering construction.

[0003] The patent document with the patent announcement number CN221055770U discloses a portable pay-off surveying device for engineering surveying, which comprises a main body mechanism, a storage mechanism and a rotating mechanism. The storage mechanism is located at the upper end of the main body mechanism, and the rotating mechanism is located at the upper end of the main body mechanism. The main body mechanism comprises a support plate, universal wheels, a handle, a sleeve, a positioning rod and a sleeve ring. The top of the universal wheel is fixedly connected to the lower surface of the support plate. The bottom of the handle is fixedly connected to the upper surface of the support plate at the rear end. The bottom of the sleeve is fixedly connected to the upper surface of the support plate at the rear end. The storage mechanism comprises a first fixed plate, a winding shaft, a fixed block, a winding groove, a second fixed plate and a limiting block. The bottom of the first fixed plate is fixedly connected to the upper surface of the support plate. The portable pay-off surveying device for engineering surveying is convenient to move during actual use, thanks to the structure of the universal wheel.

[0004] However, the existing pay-off surveying device cannot clean the clay adhered to the measuring tape when winding the measuring tape. When the measuring tape is released or wound, the clay will increase the wear degree of the measuring tape, which will affect the service life of the measuring tape in the long run. Moreover, the height of the measuring tape cannot be adjusted according to the requirements. If there is wind on site, the measuring tape may be easily blown off at a high height, which will affect the pay-off surveying work. UTILITY MODEL CONTENT

[0005] The utility model is aimed at providing a portable pay-off surveying device for engineering surveying, which can clean the clay on the measuring tape during winding and adjust the release height of the measuring tape according to the requirements.

[0006] The utility model provides a portable wire -laying measuring device for engineering survey, including frame, first rotary lever is rotatively connected on the frame, and the mobile roller is fixedly connected on the first rotary lever, and the vertical board is fixedly connected on the frame, and the second rotary lever is rotatively connected on two vertical boards, and the winding roller is fixedly connected on the second rotary lever, and the measuring scale is wound on the winding roller, and the front end of frame is fixedly connected with the mounting frame, and the cleaning assembly slides in the mounting frame, and the cleaning assembly includes the moving frame that slides in the mounting frame, and two cleaning cottons are fixedly connected in the moving frame, and the free end of measuring scale passes two cleaning cottons, and one end of second rotary lever is provided with steering wheel.

[0007] Further, two cleaning cottons are extruded on the measuring scale.

[0008] Further, the moving frame is inserted with the inserting rod, and a plurality of positioning hole plates are fixedly connected on the mounting frame along the vertical direction at equal intervals, and the opening of the positioning hole plate is adapted to the inserting rod.

[0009] Further, the two sides of the moving frame are fixedly connected with the limiting block, and the sliding groove that is adapted to the limiting block is formed in the inner wall of the mounting frame, and the limiting block slides in the sliding groove.

[0010] Further, the cross section shape of the limiting block is T-shaped.

[0011] Further, the lower end surface of the frame is installed with the universal wheel.

[0012] Further, the end of the first rotary lever and the second rotary lever is fixedly connected with the belt pulley, and the two belt pulleys are connected through the belt transmission.

[0013] Further, the side that is away from the mounting frame of the frame is fixedly connected with the support frame, and the support roller is rotatively connected on the support frame.

[0014] Further, when the frame is parallel to the ground, the support roller does not contact the ground and is at least five centimeters away from the ground.

[0015] Further, the handrail frame is fixedly connected on the frame.

[0016] Compared with the prior art, the utility model has the beneficial effects that:

[0017] In the utility model, pull out the inserting rod, slide the moving frame, adjust to the suitable position, and insert the inserting rod into the positioning hole plate and the moving frame in the suitable position, fix the moving frame, and complete the adjustment of the position of the moving frame, then pass the measuring scale between the two cleaning cottons, change the vertical position of the moving frame, make the device can adjust the lowering height of the measuring scale according to the use demand, so as to cope with different use conditions, press down the handrail frame, make the moving roller separate from the ground and the supporting roller contact the ground, pull the car frame at the same time, complete the line laying measurement work, then press the supporting frame by the weight or the foot, make the moving roller separate from the ground all the time, at this time, rotate the handle, and the measuring scale can be reeled without the influence of the moving roller. BRIEF DESCRIPTION OF DRAWINGS

[0018] The accompanying drawings are used to provide further understanding of the utility model, and constitute a part of the specification, and are used to explain the utility model together with the embodiments of the utility model, and do not constitute the limitation to the utility model.In the drawings:

[0019] Figure 1 It is a kind of the overall structure schematic diagram of portable line laying measuring device for engineering measurement Figure 1 ;

[0020] Figure 2 It is a kind of the overall structure schematic diagram of portable line laying measuring device for engineering measurement Figure 2 ;

[0021] Figure 3 It is partial structure split drawing.

[0022] In the drawing: 1, car frame;2, first rotating rod;3, moving roller;4, vertical plate;5, second rotating rod;6, reeling roller;7, measuring scale;8, mounting frame;81, sliding groove;9, cleaning component;91, moving frame;92, cleaning cotton;93, limit block;10, handle;11, fixed ring;12, inserting rod;13, positioning hole plate;14, universal wheel;15, belt pulley;16, belt;17, supporting frame;18, supporting roller;19, handrail frame;20, roll rod. DETAILED DESCRIPTION

[0023] The technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings of the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the range of protection of the utility model. Specific embodiments:

[0025] For example, Figures 1-3As shown, a portable line release measuring device for engineering surveying, comprising a frame 1, a first rotating rod 2 is rotatably connected to the frame 1, a moving roller 3 is fixedly connected to the first rotating rod 2 for a worker to move the device, two vertical plates 4 are symmetrically fixedly connected to the upper end face of the frame 1, a second rotating rod 5 is rotatably connected through the two vertical plates 4, a winding roller 6 is fixedly connected to the second rotating rod 5, and a measuring tape 7 is wound on the winding roller 6; a mounting bracket 8 is fixedly connected to the front end of the frame 1, a cleaning assembly 9 slides in the mounting bracket 8, the free end of the measuring tape 7 passes through the cleaning assembly 9, and the cleaning assembly 9 comprises a moving frame 91 which slides in the mounting bracket 8, two cleaning cottons 92 are fixedly connected in the moving frame 91, the measuring tape 7 passes between the two cleaning cottons 92 and the two cleaning cottons 92 are extruded on the measuring tape 7, and a handle 10 is arranged at one end of the second rotating rod 5. When the line release is measured, the free end of the measuring tape 7 passes between the two cleaning cottons 92, the free end of the measuring tape 7 is fixedly connected with a fixing ring 11, a rod-shaped object (such as an iron rod or a wooden rod) passes through the fixing ring 11, the free end of the measuring tape 7 is fixed at a specified position, the device is moved, the measuring tape 7 is released, and after the line release measurement is completed, the handle 10 is rotated to wind the measuring tape 7, the cleaning cotton 92 is arranged to wipe and clean the dust on the measuring tape 7, the amount of dust adhered to the measuring tape 7 is reduced, the measuring tape 7 wound on the winding roller 6 is as clean as possible, and the service life of the measuring tape 7 is improved.

[0026] As Figures 1-3 shown, the moving frame 91 is provided with an insertion rod 12, a plurality of positioning hole plates 13 are fixedly connected to the mounting bracket 8 at equal intervals in the vertical direction, the opening on the positioning hole plate 13 is adapted to the insertion rod 12, the insertion rod 12 is pulled out, the moving frame 91 is slid, adjusted to the appropriate position, and the insertion rod 12 is inserted into the positioning hole plate 13 and the moving frame 91 at the appropriate position, the moving frame 91 is fixed, and the adjustment of the position of the moving frame 91 is completed, then when in use, the measuring tape 7 passes between the two cleaning cottons 92, the vertical position of the moving frame 91 is changed, the device can adjust the lowering height of the measuring tape 7 according to the use demand, so as to cope with different use conditions (such as the influence of wind force).

[0027] As Figures 1-3 shown, the two sides of the moving frame 91 are fixedly connected with limiting blocks 93, the cross-sectional shape of the limiting block 93 is T-shaped, the inner wall of the mounting bracket 8 is provided with a sliding groove 81 matched with the limiting block 93, when the moving frame 91 is installed in the mounting bracket 8, the limiting block 93 is aligned with the sliding groove 81 and slides into it, and through the cooperation of the limiting block 93 and the sliding groove 81, the moving frame 91 can stably slide in the mounting bracket 8.

[0028] As Figures 1-3 shown, a universal wheel 14 is further installed on the lower end face of the frame 1, and the universal wheel 14 is arranged to cooperate with the two moving rollers 3 to make the frame 1 move more stably.

[0029] As Figures 1-3 shown in the figure, the first rotating rod 2 (one end of the first rotating rod 2 penetrates the moving roller 3 and extends) and the end of the second rotating rod 5 are fixedly connected with the belt pulley 15, the two belt pulleys 15 are located on the same side and are drivingly connected through the belt 16, when the measuring tape 7 is wound, the pushing device is close to the fixed position of the fixed ring 11, the moving roller 3 drives the first rotating rod 2 to rotate, the two belt pulleys 15 cooperate to make the second rotating rod 5 rotate, so that the winding roller 6 winds the measuring tape 7, without relying on the motor, only in the moving process of the pushing device, the winding is completed, saving the manufacturing cost.

[0030] As Figures 1-3 shown in the figure, the side of the frame 1 away from the mounting frame 8 is fixedly connected with the support frame 17, the support frame 17 is rotatably connected with the support roller 18, when the frame 1 is parallel to the ground, the support roller 18 does not contact the ground and is at least five centimeters away from the ground, the support frame 17 also does not contact the ground, the frame 1 is fixedly connected with the handrail frame 19 on the same side of the support frame 17. When pulling the frame 1 away from the fixed position of the fixed ring 11, the frame 1 is rotated with the wheel shaft of the universal wheel 14 as the rotation shaft by pressing down the handrail frame 19, so that the moving roller 3 is separated from the ground and the support roller 18 and the universal wheel 14 contact the ground, while pulling the frame 1 to move, the work of the line measurement is completed, in addition, the support frame 17 can also be pressed by a weight or a foot, so that the moving roller 3 is always separated from the ground, at this time, rotating the handlebar 10, the measuring tape 7 can be wound without being affected by the moving roller 3.

[0031] As Figures 1-3 shown in the figure, a plurality of rolling rods 20 are rotatably connected in the mounting frame 8, the rolling rods 20 are arranged obliquely, and the lowest rolling rod 20 is close to the cleaning assembly 9, by arranging the rolling rod 20, when the measuring tape 7 is released or wound, the measuring tape 7 contacts the rolling rod 20, so that the releasing or winding is more smooth.

[0032] The working principle of the portable line release measuring device for engineering survey in the embodiment is as follows: in use, the insertion rod 12 is pulled out, the moving frame 91 is slidably moved, is adjusted to a suitable position, the insertion rod 12 is inserted into the positioning hole plate 13 and the moving frame 91 in the suitable position, the moving frame 91 is fixed, the adjustment of the position of the moving frame 91 is completed, then the measuring scale 7 is passed through between the two cleaning cottons 92, the vertical position of the moving frame 91 is changed, the device can adjust the release height of the measuring scale 7 according to the use requirement, different use conditions are coped with, the handrail frame 19 is pressed downward, the moving roller 3 is separated from the ground and the supporting roller 18 contacts the ground, the trolley 1 is pulled to move, the line release measuring work is completed, then the supporting frame 17 is pressed by the weight or the foot, the moving roller 3 is always separated from the ground, at this time, the handle 10 is rotated, the measuring scale 7 can be wound without the influence of the moving roller 3, the moving roller 3 contacts the ground and pushes the trolley 1 to be close to the fixed position of the fixed ring 11, the two belt pulleys 15 cooperate with the belt 16, the winding roller 6 winds the measuring scale 7 along with the rolling of the moving roller 3.

[0033] Finally, it should be noted that: the above only for the preferred embodiments of the utility model have described, and does not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part technical features. Any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model, should be contained in the protection scope of the utility model.

Claims

1. A portable line locating device for engineering surveying, characterized in that: The utility model provides a kind of cleaning trolley, including frame (1), the first rotating lever (2) is rotatably connected on the frame (1), the mobile roller (3) is fixedly connected on the first rotating lever (2), the vertical plate (4) is fixedly connected on the frame (1), the second rotating lever (5) is rotatably connected on two vertical plate (4), the winding roller (6) is fixedly connected on the second rotating lever (5), the measuring scale (7) is wound on the winding roller (6);The front end of the frame (1) is fixedly connected with mounting frame (8), the cleaning assembly (9) is slidably arranged in the mounting frame (8), the cleaning assembly (9) includes the moving frame (91) slidably arranged in the mounting frame (8), two cleaning cotton (92) are fixedly connected in the moving frame (91), the free end of the measuring scale (7) passes two cleaning cotton (92), one end of the second rotating lever (5) is provided with steering handle (10).

2. A portable line locating device for engineering surveying according to claim 1, characterized in that: Two cleaning cotton (92) are extruded on the measuring scale (7).

3. The portable line locating device for engineering surveying of claim 1, wherein: Inserting rod (12) is inserted on the moving frame (91), a plurality of positioning hole plates (13) are fixedly connected on the mounting frame (8) along vertical direction at equal intervals, the opening of the positioning hole plate (13) is adapted to the inserting rod (12).

4. A portable line locating device for engineering surveying according to claim 3, wherein: Limiting block (93) is fixedly connected on the both sides of the moving frame (91), sliding slot (81) is formed in the inner wall of the mounting frame (8), and the limiting block (93) is slidably arranged in the sliding slot (81).

5. A portable line locating device for engineering surveying according to claim 4, characterized in that: The cross section shape of the limiting block (93) is T-shaped.

6. The portable line locating device for engineering surveying of claim 1, wherein: Universal wheel (14) is installed on the lower end surface of the frame (1).

7. A portable line locating device for engineering surveying according to claim 6, characterized in that: Belt pulley (15) is fixedly connected on the end of the first rotating lever (2) and the second rotating lever (5), and the two belt pulleys (15) are drivingly connected by belt (16).

8. A portable line locating device for engineering surveying according to claim 7, characterized in that: Support frame (17) is fixedly connected on the side of the frame (1) away from the mounting frame (8), and support roller (18) is rotatably connected on the support frame (17).

9. A portable line locating device for engineering surveying according to claim 8, characterized in that: When the frame (1) is parallel to the ground, the support roller (18) does not contact the ground and is at least five centimeters away from the ground.

10. A portable line locating device for engineering surveying according to claim 9, characterized in that: Handrail frame (19) is fixedly connected on the frame (1).

Citation Information

Patent Citations

  • A portable laying-out measuring device for engineering surveying

    CN221055770U