Wheel type distance measuring device for engineering cost

Abstract

The utility model discloses a wheel type distance measuring device for engineering cost, which comprises a distance measuring wheel, a counter is arranged at the center of the inner side of the distance measuring wheel, an annular seat is rotatably matched with the outer side of the counter, a plurality of electric push rods are fixed on the outer side of the annular seat in an annular array mode, and the output ends of the electric push rods are matched with clamping shafts. The outer ends of the clamping shafts correspondingly stretch into the inner wall of the distance measuring wheel and are fixedly clamped and in butt joint with the distance measuring wheel, shaft frames are fixedly embedded in the centers of the left side and the right side of the counter, and first U-shaped frame rods are fixedly connected to the upper portions of the opposite sides of the shaft frames. The ring seat is arranged on the outer side of the counter, the electric push rods are assembled in an annular array mode to drive the clamping shaft to freely stretch out and draw back, rapid butt joint and fixing with the distance measuring wheels with different diameters can be achieved, the appropriate distance measuring wheel can be rapidly replaced for distance measuring operation, and the application range of the instrument is widened.

Description

Technical Field

[0001] The utility model relates to the technical field of engineering distance measuring equipment, in particular to a wheeled distance measuring device for engineering cost. Background Art

[0002] The project cost refers to the estimated or actual construction costs of the project during the construction period. The project cost requires the measurement of the land. In the prior art, a wheeled distance meter is generally used for measurement. A wheeled distance meter is a type of distance meter, which is mainly designed and manufactured for outdoor distance measurement. The wheeled distance meter has a long measurement distance and a clear and accurate digital display system. Therefore, it is widely used in the measurement and evaluation of construction operations such as road engineering, pipeline laying engineering, professional surveying and mapping, the measurement of the distance and position of traffic accidents, the construction measurement of golf courses, and the measurement of farmland construction management, etc. Its time-saving and convenient advantages are discovered and utilized by more and more people.

[0003] The circumference of the outer edge of the measuring wheel of the existing wheel-type distance measuring instruments is mostly a fixed value, and it is impossible to replace the measuring wheels of different circumferences according to the road measurement accuracy requirements. The application range is narrow. At the same time, when the operator controls the measuring wheel to measure the distance, the frame height is fixed, and there is a lack of adjustment mechanism to adjust the height of the handheld structure to match the height of the operator, resulting in poor comfort in use. Utility Model Content

[0004] The purpose of the utility model is to provide a wheel-type distance measuring device for engineering cost, which can be quickly docked and fixed with distance measuring wheels of different diameters, and is used to quickly replace a suitable distance measuring wheel for distance measuring operations, thereby improving the application range of the instrument. At the same time, the height of the handrail can be adjusted to suit operators of different heights to perform more comfortable distance measuring operations.

[0005] To achieve the above-mentioned purpose, a wheel-type distance measuring device for engineering cost is provided, comprising a distance measuring wheel, a counter is arranged at the inner center of the distance measuring wheel, a ring seat is rotatably matched on the outer side of the counter, a plurality of electric push rods are fixed to the outer annular array of the ring seat, the output ends of the electric push rods are matched with clamping shafts, the outer ends of the clamping shafts are correspondingly extended into the inner wall of the distance measuring wheel and fixedly engaged with the inner wall, axle frames are embedded and fixed at the centers of the left and right sides of the counter, a first U-shaped frame rod is fixedly connected to the upper part of the opposite side of the axle frame, a first screw sleeve is sleeved on the middle part of the left side of the first U-shaped frame rod, the inner side of the lower end of the first screw sleeve is threadedly rotatably connected to the first U-shaped frame rod, the inner side of the upper end of the first screw sleeve is threadedly connected to the first U-shaped frame rod, and the inner side of the upper end of the first screw sleeve is connected to the first U-shaped frame rod. The rods are engaged and docked, a lower support rod is fixedly connected to the top center of the first U-shaped frame rod, an upper support rod is arranged on the upper side of the lower support rod, a hinge shaft is rotatably matched between the upper support rod and the lower support rod, and an armrest frame is fixedly connected to the top of the upper support rod in the left and right directions. By arranging a ring seat on the outer side of the counter and assembling a plurality of electric push rods in a ring array to drive the card shaft to freely extend and retract outward, it can be quickly docked and fixed with distance measuring wheels of different diameters, and is used to quickly replace suitable distance measuring wheels for distance measuring operations, thereby improving the application range of the instrument. At the same time, the upper support rod and the lower support rod are movably connected by the hinge shaft so that the two can rotate relative to each other, so that the height of the armrest frame can be adjusted to suit operators of different heights for more comfortable distance measuring operations.

[0006] According to the wheel-type distance measuring device for engineering cost, a digital indicator is installed on the upper left side of the counter, so as to clearly display the number of revolutions of the distance measuring wheel in real time, and facilitate the operator to calculate the measured distance.

[0007] According to the wheel-type distance measuring device for engineering cost, a rubber ring is provided inside the upper end of the first screw sleeve, and the inner side of the rubber ring is pressed and fitted with the first U-shaped frame rod, thereby reducing the wear and tear when the first screw sleeve and the first U-shaped frame rod are rotated, engaged and docked.

[0008] According to the wheeled distance measuring device for engineering cost, both left and right ends of the handrail frame are fixedly connected with handles, so as to facilitate stable holding with both hands.

[0009] According to the wheel-type distance measuring device for engineering cost, the bottom of the hinge shaft is fixedly connected with a second U-shaped frame rod, and the left and right sides of the bottom end of the second U-shaped frame rod are symmetrically equipped with docking shafts, and the outer sides of the docking shafts are rotatably matched with auxiliary wheels to auxiliaryly support the distance measuring wheel to prevent it from tipping to the sides and maintain a vertical state and linear feeding.

[0010] According to the wheel-type distance measuring device for engineering cost, the middle parts of the left and right sides of the second U-shaped frame rod are sleeved with second screw sleeves, and the inner sides of both ends of the second screw sleeves are threadedly connected to the second U-shaped frame rod, and the rotation directions of the threads at both ends are opposite. It is convenient to rotate and adjust the extension amount of the second U-shaped support rod in the second screw sleeve according to the different diameters of the distance measuring wheel, so as to adjust the bottom of the auxiliary wheel to be level with the distance measuring wheel.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] In the utility model, a ring seat is arranged on the outer side of the counter and a plurality of electric push rods are assembled in a ring array to drive the card shaft to freely extend and retract outward, so that the card shaft can be quickly docked and fixed with distance measuring wheels of different diameters, and is used to quickly replace a suitable distance measuring wheel for distance measuring operations, thereby improving the application range of the instrument. At the same time, the upper support rod and the lower support rod are movably connected by a hinge shaft so that the two can rotate relative to each other, so that the height of the handrail frame can be adjusted to be suitable for operators of different heights to perform more comfortable distance measuring operations.

[0013] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0015] Figure 1 It is a structural schematic diagram of a first U-shaped frame rod and a second U-shaped frame rod in a wheel-type distance measuring device for engineering cost according to the utility model;

[0016] Figure 2 This is a schematic diagram of the structure of the handrail and the handle in a wheeled distance measuring device for engineering cost in the utility model;

[0017] Figure 3 This is a schematic diagram of the connection structure of the distance measuring wheel in a wheel-type distance measuring device for engineering cost of the utility model;

[0018] Figure 4 The utility model is an overall schematic diagram of a wheel-type distance measuring device for engineering cost.

[0019] In the figure: 1. distance measuring wheel; 2. counter; 3. indicator; 4. ring seat; 5. electric push rod; 6. clamping shaft; 7. shaft frame; 8. first U-shaped frame rod; 9. first screw sleeve; 10. lower support rod; 11. hinge shaft; 12. upper support rod; 13. handrail frame; 14. handle; 15. second U-shaped frame rod; 16. second screw sleeve; 17. docking shaft; 18. auxiliary wheel. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-4 The utility model provides a technical solution: a wheel-type distance measuring device for engineering cost, comprising a distance measuring wheel 1, a counter 2 is arranged at the inner center of the distance measuring wheel 1, a ring seat 4 is rotatably matched on the outer side of the counter 2, a plurality of electric push rods 5 are fixed to the outer annular array of the ring seat 4, the output ends of the electric push rods 5 are matched with card shafts 6, the outer ends of the card shafts 6 are correspondingly extended into the inner wall of the distance measuring wheel 1 and are fixedly engaged with it, axle frames 7 are embedded and fixed at the centers of the left and right sides of the counter 2, a first U-shaped frame rod 8 is fixedly connected to the upper part of the opposite side of the axle frame 7, a first screw sleeve 9 is sleeved on the left middle part of the first U-shaped frame rod 8, the inner side of the lower end of the first screw sleeve 9 is threadedly rotatably connected to the first U-shaped frame rod 8, the inner side of the upper end of the first screw sleeve 9 is engaged with the first U-shaped frame rod 8, and the top center of the first U-shaped frame rod 8 is fixedly connected with a lower support rod 1 0, an upper support rod 12 is arranged on the upper side of the lower support rod 10, a hinge shaft 11 is rotatably matched between the upper support rod 12 and the lower support rod 10, an armrest frame 13 is fixedly connected to the top of the upper support rod 12 in the left and right directions, an indicator 3 is assembled on the upper left side of the counter 2, a rubber ring is arranged on the inner side of the upper end portion of the first screw sleeve 9, the inner side of the rubber ring is in extrusion and fit contact with the first U-shaped frame rod 8, the left and right ends of the armrest frame 13 are fixedly connected with a handle 14, the bottom of the hinge shaft 11 is fixedly connected with a second U-shaped frame rod 15, the left and right sides of the bottom end of the second U-shaped frame rod 15 are symmetrically equipped with docking shafts 17, the outer sides of the docking shafts 17 are rotatably matched with auxiliary wheels 18, the middle parts of the left and right sides of the second U-shaped frame rod 15 are sleeved with second screw sleeves 16, the inner sides of both ends of the second screw sleeve 16 are threadedly rotatably connected to the second U-shaped frame rod 15, and the rotation directions of the threads at both ends are opposite.

[0022] Working principle: In the utility model, a ring seat 4 is arranged on the outside of the counter 2 and a plurality of electric push rods 5 are assembled in a ring array to drive the card shaft 6 to freely extend and retract outward, so that it can be quickly docked and fixed with the distance measuring wheels 1 of different diameters, and is used to quickly replace the appropriate distance measuring wheel 1 for distance measuring operations, thereby improving the application range of the instrument. At the same time, the hinge shaft 11 is used to flexibly connect the upper support rod 12 and the lower support rod 10, so that the two can rotate relative to each other, so that the height of the handrail frame 13 can be adjusted to suit operators of different heights for more comfortable distance measuring operations.

[0023] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A wheel-type distance measuring device for engineering cost, comprising a distance measuring wheel (1), characterized in that: A counter (2) is arranged at the inner center of the distance measuring wheel (1), and a ring seat (4) is rotatably matched on the outer side of the counter (2). A plurality of electric push rods (5) are fixed in a circular array on the outer side of the ring seat (4). The output ends of the electric push rods (5) are matched with clamping shafts (6), and the outer ends of the clamping shafts (6) are correspondingly extended into the inner wall of the distance measuring wheel (1) and are fixedly engaged with the inner wall of the distance measuring wheel (1). Axle frames (7) are embedded and fixed at the centers of the left and right sides of the counter (2), and a first U-shaped frame rod (8) is fixedly connected to the upper part of the opposite side of the axle frame (7). The first U-shaped frame A first screw sleeve (9) is sleeved on the middle part of the left side of the rod (8); the inner side of the lower end of the first screw sleeve (9) is threadedly connected to the first U-shaped frame rod (8); the inner side of the upper end of the first screw sleeve (9) is snap-fitted with the first U-shaped frame rod (8); a lower support rod (10) is fixedly connected to the top center of the first U-shaped frame rod (8); an upper support rod (12) is arranged on the upper side of the lower support rod (10); a hinge shaft (11) is rotatably matched between the upper support rod (12) and the lower support rod (10); and a handrail frame (13) is fixedly connected to the top of the upper support rod (12) in the left and right directions.

2. A wheeled distance measuring device for engineering cost as claimed in claim 1, characterized in that: The upper left side of the counter (2) is equipped with a digital indicator (3).

3. A wheeled distance measuring device for engineering cost as claimed in claim 1, characterized in that: A rubber ring is provided on the inner side of the upper end of the first screw sleeve (9), and the inner side of the rubber ring is in extrusion-fitting contact with the first U-shaped frame rod (8).

4. A wheeled distance measuring device for engineering cost as claimed in claim 1, characterized in that: The left and right ends of the armrest frame (13) are both fixedly connected with a handle (14).

5. A wheeled distance measuring device for engineering cost as claimed in claim 1, characterized in that: The bottom of the hinge shaft (11) is fixedly connected to a second U-shaped frame rod (15), and the left and right sides of the bottom end of the second U-shaped frame rod (15) are symmetrically equipped with docking shafts (17), and the outer sides of the docking shafts (17) are rotatably matched with auxiliary wheels (18).

6. A wheeled distance measuring device for construction cost as claimed in claim 5, characterized in that: The middle parts of the left and right sides of the second U-shaped frame rod (15) are sleeved with second screw sleeves (16), and the inner sides of both ends of the second screw sleeve (16) are threadedly connected to the second U-shaped frame rod (15), and the threads at both ends rotate in opposite directions.

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