Wheel type range finder for engineering cost

Abstract

The utility model discloses a wheel type distance measuring instrument for engineering cost, which comprises U-shaped frames, a wheel type distance measuring mechanism is arranged between the two U-shaped frames, a calibration assembly is fixed on the outer wall of one side of each U-shaped frame, the calibration assembly comprises a suction cylinder and a support plate, the support plate is welded on the outer wall of one side of each U-shaped frame, and the suction cylinder is connected with the suction cylinder. A piston rod is movably connected to the circumferential inner wall of the suction cylinder, a piston plate is welded to the circumferential outer wall of the piston rod, a crank rocker assembly is connected to the bottom of the piston rod, a spray head mechanism is connected to the side wall of the suction cylinder, and a storage cylinder is fixed to the outer wall of the top of the U-shaped frame; and the top of the storage cylinder is in threaded connection with a cover plate. According to the utility model, the distance measuring wheel is arranged, so that the number of rotation turns of the distance measuring wheel is monitored by using the wheel type counter in the walking process, and the length needing distance measurement is measured according to the perimeter of the distance measuring wheel and the number of the walking turns of the distance measuring wheel.

Description

Technical Field

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

[0002] In the prior art, a wheeled distance meter is a measuring tool used for outdoor distance measurement. When a road engineering cost needs to be evaluated, a cost evaluation needs to be performed based on the length of the road. Therefore, a wheeled distance meter is needed. The wheeled distance meter generally consists of a handle, a distance measuring wheel, and a counter. When measuring distance, the counter is first reset to zero, and then the distance measuring wheel is moved on the road to be measured by pushing the handle, and the distance measuring wheel is pushed to a specified position on the road. At this time, the counter will display the total number of revolutions of the distance measuring wheel, and the length of the road can be calculated based on the circumference of the distance measuring wheel.

[0003] After searching, the Chinese patent application number 202321008593.7 discloses a wheel-type distance meter for engineering cost, including a mounting frame, a core shaft is installed at the axis of the mounting frame through a bearing, the core shaft is located at the middle end outer surface of the inner side of the mounting frame, and a walking wheel is fixedly sleeved on the outer surface, and a recording device for recording the walking trajectory of the walking wheel is arranged on the front side of the mounting frame, and the recording device includes a material distribution plate.

[0004] The wheeled distance meter for engineering cost in the above patent has the following shortcomings: although the direction of the running wheel can be observed by observing the path of the falling sand, the sand still needs to be cleaned and collected by a cleaning device after falling, which makes the distance measurement inconvenient. Utility Model Content

[0005] The utility model aims to solve the shortcomings in the prior art and proposes a wheel-type distance meter for engineering cost.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A wheeled distance meter for engineering cost estimation comprises a U-shaped frame, a wheeled distance measuring mechanism is installed between two U-shaped frames, a calibration assembly is fixed to the outer wall of one side of the U-shaped frame, the calibration assembly comprises a suction tube and a support plate, a piston rod is movably connected to the circumferential inner wall of the suction tube, a piston plate is welded to the circumferential outer wall of the piston rod, a crank rocker assembly is connected to the bottom of the piston rod, a nozzle mechanism is connected to the side wall of the suction tube, a storage tube is fixed to the outer wall of the top of the U-shaped frame, a cover plate is threadedly connected to the top of the storage tube, and the side wall of the storage tube is connected to a three-way pipe 2 through a joint, and the two ends of the three-way pipe 2 away from the storage tube are respectively connected to the top and bottom of the suction tube through a one-way valve 3 and a one-way valve 4.

[0008] As a further solution of the utility model: the support plate is welded to the outer wall of one side of the U-shaped frame, and the suction tube is fixed to the outer wall of the top of the support plate by screws.

[0009] As a further solution of the utility model: the nozzle mechanism includes a bracket and a nozzle, the bracket is welded to the outer wall of one side of the U-shaped frame, and the nozzle is fixed to the inner wall of the through hole opened on the surface of the bracket by screws.

[0010] As a further solution of the utility model: the top of the nozzle is connected to a three-way pipe 1 through a joint, and the two ends of the three-way pipe 1 away from the nozzle are respectively connected to the top and bottom of the suction cylinder through a one-way valve 2 and a one-way valve 1.

[0011] As a further solution of the utility model: the wheeled distance measuring mechanism includes a wheeled counter and a distance measuring wheel, the distance measuring wheel is movably connected to the inner wall of the through hole opened on both sides of the U-shaped frame, and the wheeled counter is fixed to the outer wall of one side of the U-shaped frame, and the wheeled counter and the distance measuring wheel are electrically connected.

[0012] As a further solution of the utility model: the crank rocker assembly includes an eccentric disk and a connecting rod, the eccentric disk is fixed to one end of the distance measuring wheel by a pin, and the two ends of the connecting rod are movably connected to the bottom of the piston rod and the outer wall of one side of the eccentric disk.

[0013] As a further solution of the utility model: a handle is welded to the outer wall of one side of the U-shaped frame.

[0014] As a further solution of the utility model: a protective sleeve is sleeved on one end of the handle.

[0015] Compared with the prior art, the utility model provides a wheel-type distance meter for engineering cost measurement, which has the following beneficial effects:

[0016] 1. A measuring wheel is provided so that the number of revolutions of the measuring wheel can be monitored by a wheel counter during the movement, and the length to be measured can be measured according to the circumference of the measuring wheel and the number of revolutions of the measuring wheel.

[0017] 2. Use the connecting rod to convert the circular motion of the eccentric disk into the linear reciprocating motion of the piston plate and the piston rod. During the movement, the piston plate absorbs the liquid in the storage cylinder by negative pressure and then discharges it through the nozzle, and uses the liquid to calibrate the moving trajectory of the distance measuring wheel.

[0018] 3. The distance measuring wheel is provided with a handle to facilitate pushing the distance measuring wheel, so that the distance measuring wheel can measure the distance during the rotation process.

[0019] The parts not involved in the device are the same as those in the prior art or can be implemented by using the prior art. The utility model has a simple structure and is easy to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the overall structure of a wheel-type distance meter for engineering cost proposed by the utility model;

[0021] Figure 2 This is a schematic diagram of the side structure of a wheel-type distance meter for engineering cost proposed by the utility model;

[0022] Figure 3 This is a schematic diagram of the main structure from a first-view perspective of a wheel-type distance meter for engineering cost proposed by the utility model;

[0023] Figure 4 The utility model is a schematic diagram of the second viewing angle structure of the main body of a wheel-type distance meter for engineering cost.

[0024] In the figure: U-shaped frame 1; wheel counter 2; distance measuring wheel 3; handle 4; suction cylinder 5; support plate 6; eccentric disk 7; bracket 8; three-way pipe 9; storage cylinder 10; cover plate 11; piston plate 12; piston rod 13; connecting rod 14; nozzle 15; one-way valve 1 16; one-way valve 2 17; one-way valve 3 18; one-way valve 4 19; three-way pipe 2 20. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0026] Example 1

[0027] A wheel distance meter for engineering cost, such as Figures 1 to 4 As shown, it includes a U-shaped frame 1, a wheeled distance measuring mechanism is installed between two U-shaped frames 1, a calibration component is fixed to the outer wall of one side of the U-shaped frame 1, and the calibration component includes an absorption tube 5 and a support plate 6, the support plate 6 is welded to the outer wall of one side of the U-shaped frame 1, and the absorption tube 5 is fixed to the outer wall of the top of the support plate 6 by screws, the circumferential inner wall of the absorption tube 5 is slidably connected with a piston rod 13, and the circumferential outer wall of the piston rod 13 is welded with a piston plate 12, and the bottom of the piston rod 13 is connected to a crank rocker assembly, the side wall of the absorption tube 5 is connected to a nozzle mechanism, and the top outer wall of the U-shaped frame 1 is fixed with a storage tube 10 by bolts, the top of the storage tube 10 is threadedly connected with a cover plate 11, and the side wall of the storage tube 10 is connected to a three-way pipe 20 through a joint, and the two ends of the three-way pipe 20 away from the storage tube 10 are respectively connected to the top and bottom of the absorption tube 5 through a one-way valve 3 18 and a one-way valve 4 19;

[0028] By providing a storage cylinder 10, liquid can be stored. In this embodiment, the liquid is preferably water. By providing a crank rocker assembly, the piston plate 12 and the piston rod 13 can be driven to reciprocate along the circumferential inner wall of the suction cylinder 5. During the upward movement of the piston plate 12, the negative pressure is used to suck the liquid in the storage cylinder 10 into the suction cylinder 5 through the one-way valve four 19. The one-way valve four 19 is used to prevent the liquid from flowing back. When the piston plate 12 moves downward, the liquid sucked from the bottom of the suction cylinder 5 is introduced into the nozzle mechanism by extrusion. The nozzle mechanism is used to calibrate the movement trajectory during the ranging process. Similarly, during the downward movement of the piston plate 12, the negative pressure is used to suck the liquid in the storage cylinder 10 into the suction cylinder 5 through the one-way valve three 18. The one-way valve three 18 prevents the liquid from flowing back. When the piston plate 12 moves upward, the liquid sucked from the top of the suction cylinder 5 is introduced into the nozzle mechanism by extrusion. In this way, it is ensured that the crank rocker assembly drives the piston plate 12 and the piston rod 13 to move back and forth, and the liquid is continuously sprayed out from the spray mechanism.

[0029] Furthermore, the wheeled distance measuring mechanism comprises a wheeled counter 2 and a distance measuring wheel 3, wherein the distance measuring wheel 3 is rotatably connected to the inner wall of the through hole opened on both sides of the U-shaped frame 1, and the wheeled counter 2 is fixed to the outer wall of one side of the U-shaped frame 1 by bolts, and the wheeled counter 2 and the distance measuring wheel 3 are electrically connected;

[0030] The wheel counter 2 is used to monitor the number of revolutions of the measuring wheel 3 during its movement, and the length to be measured is measured according to the circumference of the measuring wheel 3 and the number of revolutions of the measuring wheel 3.

[0031] Furthermore, the nozzle mechanism includes a bracket 8 and a nozzle 15, the bracket 8 is welded to the outer wall of one side of the U-shaped frame 1, and the nozzle 15 is fixed to the inner wall of the through hole opened on the surface of the bracket 8 by screws, the top of the nozzle 15 is connected to a three-way pipe 9 through a joint, and the two ends of the three-way pipe 9 away from the nozzle 15 are respectively connected to the top and bottom of the suction cylinder 5 through a one-way valve 2 17 and a one-way valve 16;

[0032] By providing a three-way pipe 9, the liquid squeezed out by the piston plate 12 can be introduced into the nozzle 15, and the nozzle 15 calibrates the movement trajectory of the distance measuring wheel 3 after the liquid is sprayed out.

[0033] Furthermore, the crank rocker assembly includes an eccentric disk 7 and a connecting rod 14, wherein the eccentric disk 7 is fixed to one end of the distance measuring wheel 3 by a pin, and the two ends of the connecting rod 14 are rotatably connected to the bottom of the piston rod 13 and the outer wall of one side of the eccentric disk 7 respectively;

[0034] The distance measuring wheel 3 drives the eccentric disk 7 to rotate during the rotation process, and the circular motion of the eccentric disk 7 is converted into the linear reciprocating motion of the piston rod 13 along the suction cylinder 5 by the connecting rod 14.

[0035] Furthermore, a handle 4 is welded to the outer wall of one side of the U-shaped frame 1, and a protective cover is sleeved on one end of the handle 4;

[0036] The handle 4 is provided to facilitate pushing the distance measuring wheel 3, so that the distance measuring wheel 3 can measure distance during the rotation process.

[0037] Working principle: The handle 4 is used to push the measuring wheel 3. The wheel counter 2 is used to monitor the number of revolutions of the measuring wheel 3 during the movement. The length to be measured is measured according to the circumference of the measuring wheel 3 and the number of revolutions of the measuring wheel 3. The measuring wheel 3 drives the eccentric disk 7 to rotate during the rolling process. The connecting rod 14 is used to convert the circular motion of the eccentric disk 7 into the linear reciprocating motion of the piston plate 12 and the piston rod 13. The piston plate 12 absorbs the liquid in the storage cylinder 10 by negative pressure during the movement and then discharges it through the nozzle mechanism. The moving trajectory of the measuring wheel 3 is calibrated by the liquid.

[0038] 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 within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A wheeled distance meter for engineering cost, comprising a U-shaped frame (1), characterized in that: A wheeled distance measuring mechanism is installed between the two U-shaped frames (1). A calibration assembly is fixed to the outer wall of one side of the U-shaped frame (1). The calibration assembly comprises an absorption tube (5) and a support plate (6). The circumferential inner wall of the absorption tube (5) is movably connected to a piston rod (13), and the circumferential outer wall of the piston rod (13) is welded to a piston plate (12), and the bottom of the piston rod (13) is connected to a crank rocker assembly. The side wall of the absorption tube (5) is connected to a nozzle mechanism, and a storage tube (10) is fixed to the outer wall of the top of the U-shaped frame (1). The top of the storage tube (10) is threadedly connected to a cover plate (11), and the side wall of the storage tube (10) is connected to a three-way pipe (20) through a joint, and the two ends of the three-way pipe (20) away from the storage tube (10) are respectively connected to the top and bottom of the absorption tube (5) through a one-way valve (18) and a one-way valve (19).

2. A wheel-type distance meter for engineering cost according to claim 1, characterized in that: The support plate (6) is welded to the outer wall of one side of the U-shaped frame (1), and the suction tube (5) is fixed to the outer wall of the top of the support plate (6) by means of screws.

3. A wheel-type distance meter for engineering cost according to claim 2, characterized in that: The nozzle mechanism comprises a bracket (8) and a nozzle (15); the bracket (8) is welded to an outer wall of one side of the U-shaped frame (1), and the nozzle (15) is fixed to the inner wall of a through hole opened on the surface of the bracket (8) by means of screws.

4. A wheel-type distance meter for engineering cost according to claim 3, characterized in that: The top of the spray head (15) is connected to a three-way pipe (9) via a joint, and the two ends of the three-way pipe (9) away from the spray head (15) are respectively connected to the top and bottom of the suction cylinder (5) via a one-way valve (17) and a one-way valve (16).

5. A wheel-type distance meter for engineering cost according to claim 4, characterized in that: The wheeled distance measuring mechanism comprises a wheeled counter (2) and a distance measuring wheel (3), wherein the distance measuring wheel (3) is movably connected to the inner walls of through holes opened on both sides of the U-shaped frame (1), and the wheeled counter (2) is fixed to the outer wall of one side of the U-shaped frame (1), and the wheeled counter (2) and the distance measuring wheel (3) are electrically connected.

6. A wheel-type distance meter for engineering cost according to claim 5, characterized in that: The crank rocker assembly comprises an eccentric disk (7) and a connecting rod (14); the eccentric disk (7) is fixed to one end of the distance measuring wheel (3) by a pin, and the two ends of the connecting rod (14) are movably connected to the bottom of the piston rod (13) and the outer wall of one side of the eccentric disk (7) respectively.

7. A wheel-type distance meter for engineering cost according to claim 6, characterized in that: A handle (4) is welded to an outer wall of one side of the U-shaped frame (1).

8. A wheel-type distance meter for construction cost according to claim 7, characterized in that: One end of the handle (4) is sleeved with a protective sleeve.

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