Concrete thickness measuring device for road and bridge construction
By introducing knobs, rotating rods, large gears and other structures into the concrete thickness measurement device, the problems of difficulty in judging verticality and inconvenient operation when inserting the equipment are solved, and higher measurement accuracy and convenient operation are achieved.
Patent Information
- Application Number
- CN202422772913.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-14
- Publication Date
- 2024-12-20
- Estimated Expiration
- 2034-11-14
AI Technical Summary
When inserting concrete, it is difficult to determine whether the equipment is perpendicular to the lowest surface of the concrete when the existing concrete thickness measurement device is inserted, which affects the accuracy of the measurement, and it is inconvenient to adjust the sliding mark to lower your body.
A measuring device including knobs, rotating rods, large gears, racks, support plates, handles, fixing blocks, screws and moving plates is designed. The gears and racks are moved by the rotation of the knobs and screws, thereby increasing the bottom of the equipment. The area is kept vertical, while the height of the moving plate is adjusted by the handle and the fixing block design does not need to lower your body.
Improves stability and measurement accuracy when inserting the device, and simplifies the thickness measurement process and reduces operational difficulty.
Smart Images
Figure CN222211501U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of measurement, in particular to a concrete thickness measuring device for road and bridge construction. Background Art
[0002] Road and bridge construction refers to the process of building roads and bridges in accordance with engineering design standards and specifications in order to provide traffic capacity, using various materials and technologies. In the process of road construction, in order to ensure the quality of roads and bridges, it is necessary to measure the thickness of concrete;
[0003] Announcement No. "CN217504601U" discloses a concrete thickness measuring device, including: a measuring rod with adjustable length, the measuring rod is provided with a scale, the measuring rod includes a first section and a second section, wherein the first section has a tip inserted into the concrete to be measured, the second section is slidably sleeved in the first section and can be telescoped relative to the first section; and a reading disk slidably sleeved on the measuring rod, the reading disk has a contact plane for contacting with the surface of the concrete to be measured and floating on the surface of the concrete to be measured, and the measuring rod scale corresponding to the contact plane is the thickness of the concrete to be measured. The concrete thickness measuring device provided by the utility model can measure the thickness of different concretes at any time, quickly and accurately. The above scheme is indeed beneficial, but the bottom end of the above device inserted into the concrete is a tip. When the tip is inserted into the concrete, it is not convenient to judge whether the measuring device is perpendicular to the lowest surface of the concrete, which affects the accuracy of the measurement;
[0004] Announcement No. "CN219736207U" discloses a concrete thickness measuring device, including: an insertion rod, a sliding mark and a locking assembly; the insertion rod has an operating end and an insertion end, the operating end is used for an operator to operate, the insertion end is used to insert into concrete, the insertion rod is provided with scales along its length, the sliding mark can be slidably arranged on the insertion rod, and the locking assembly is used to lock the sliding mark to the insertion rod to indicate the scale. The device has a simple structure and is easy to operate. By moving the sliding mark and keeping the end of the sliding mark facing the insertion end aligned with the scale value of the scale, the locking assembly can lock the sliding mark aligned with the scale value on the insertion rod. The operator inserts the insertion end into the concrete through the operating end and keeps the insertion rod in a vertical state, so that the concrete thickness can be measured. The above scheme is indeed beneficial, but it is necessary to bend down to adjust the measuring sliding mark during measurement, which is not convenient enough;
[0005] Therefore, it is necessary to propose a concrete thickness measuring device for road and bridge construction. Utility Model Content
[0006] The utility model aims to solve the problems existing in the background technology and proposes a concrete thickness measuring device for road and bridge construction.
[0007] The technical solution of the utility model is as follows: a concrete thickness measuring device for road and bridge construction comprises a measuring rod, a knob 1 is rotatably provided on the top surface of the measuring rod, a rotating rod is provided on the bottom surface of the knob 1, a mounting groove is opened on the bottom surface of the measuring rod, the bottom end of the rotating rod extends through and extends into the mounting groove on the bottom surface of the measuring rod and is provided with a large gear, a plurality of rotating shafts are rotatably provided on the top surface of the mounting groove, a small gear is provided on the outer ring of the bottom end of each rotating shaft, each of the small gears is meshed with the outer ring of the large gear, a plurality of racks are slidably provided on the bottom surface of the measuring rod, one side of each rack is meshed with a corresponding small gear, a support plate is provided on the bottom surface of each rack, a handle and a fixed block are provided on the right side of the measuring rod, a knob 2 is rotatably provided on the top surface of the handle, a screw is provided on the bottom surface of the knob 2, the bottom end of the screw extends through and extends to the bottom surface of the handle and is threadedly connected with a moving plate.
[0008] Preferably, a trapezoidal block is provided at a position of each rack on the bottom surface of the measuring rod, and a trapezoidal groove is provided on the top surface of each rack. The trapezoidal block is slidably connected to the corresponding trapezoidal groove.
[0009] Preferably, the support plates are arranged in a triangular shape, the outer circle of the bottom surface is a smooth arc, and each of the support plates is combined to form a circle.
[0010] Preferably, scale lines are provided on the front side of the measuring rod.
[0011] Preferably, the bottom end of the screw rod is rotatably connected to the fixing block.
[0012] Preferably, a T-block is provided on the left side of the movable plate, a T-slot is provided on the right side of the measuring rod, and the T-block is slidably connected to the T-slot.
[0013] Compared with the prior art, the utility model has the following beneficial technical effects:
[0014] The utility model can reduce resistance when inserting the device into concrete by arranging the first knob, the rotating rod, the large gear, the rotating shaft, the small gear, the rack and the supporting plate, and can also increase the ground contact area when inserted into the concrete, so that the device can be vertical to the bottom surface, thereby improving the measurement accuracy; and the height of the movable plate can be adjusted without lowering the body by arranging the handle, the fixing block, the second knob, the screw rod, the movable plate and the T-block, thereby facilitating the measurement of the thickness of the concrete. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0016] Figure 2 This is a schematic diagram of the bottom structure of the utility model when in use;
[0017] Figure 3 It is a schematic diagram of the structure of some regions in the utility model;
[0018] Figure 4 It is a schematic diagram of the local area structure in the utility model;
[0019] Figure 5 It is a structural schematic diagram of the movable plate in the utility model.
[0020] Figure numerals: 1. Measuring rod; 2. Knob 1; 3. Rotating rod; 4. Large gear; 5. Rotating shaft; 6. Small gear; 7. Rack; 8. Support plate; 9. Handle; 10. Fixed block; 11. Knob 2; 12. Screw; 13. Moving plate; 14. Trapezoidal block; 15. Scale line; 16. T-block. DETAILED DESCRIPTION
[0021] The technical solution of the utility model is further described below in conjunction with the accompanying drawings and specific embodiments. Example
[0022] like Figures 1 to 5 As shown, a concrete thickness measuring device for road and bridge construction proposed by the utility model comprises a measuring rod 1, a knob 2 is rotatably provided on the top surface of the measuring rod 1, a rotating rod 3 is provided on the bottom surface of the knob 2, the bottom surface of the knob 2 is fixedly connected to the top of the rotating rod 3, a mounting groove is provided on the bottom surface of the measuring rod 1, the bottom end of the rotating rod 3 extends through and extends into the mounting groove on the bottom surface of the measuring rod 1 and is provided with a large gear 4, the bottom outer ring of the rotating rod 3 is fixedly connected to the inner ring of the large gear 4, a plurality of rotating shafts 5 are rotatably provided on the top surface of the mounting groove, a small gear 6 is provided on the bottom outer ring of each rotating shaft 5, the outer ring of the rotating shaft 5 is fixedly connected to the inner ring of the small gear 6, each small gear 6 is meshed with the outer ring of the large gear 4, the rotating rod 3 can be driven to rotate by the rotation of the knob 2, the rotating rod 3 can drive the large gear 4 to rotate, the large gear 4 can drive the small gear 6 to rotate, and a plurality of racks 7 are slidably provided on the bottom surface of the measuring rod 1;
[0023] A trapezoidal block 14 is provided at the position of each rack 7 on the bottom surface of the measuring rod 1. The bottom surface of the measuring rod 1 is fixedly connected to the top surface of the trapezoidal block 14. A trapezoidal groove is provided on the top surface of each rack 7. The trapezoidal block 14 is slidably connected to the corresponding trapezoidal groove. The trapezoidal groove is guided and limited by the trapezoidal block 14, so as to guide and limit the running trajectory of the rack 7, so that the rack 7 always maintains a straight running state. One side of each rack 7 is meshed with a corresponding pinion 6, and the rack 7 can be driven to move by the rotation of the pinion 6. A support plate 8 is provided on the bottom surface of each rack 7. The bottom surface of the rack 7 is fixedly connected to the top surface of the support plate 8. The support plate 8 is triangular in shape, and the outer circle of the bottom surface is a smooth arc. Each support plate 8 is combined together to form a circle. When the support plates 8 are combined together, it is convenient for the equipment to be inserted into the concrete to reduce resistance. A handle 9 and a fixed block 10 are provided on the right side of the measuring rod 1. The right side of the measuring rod 1 is fixedly connected to the left side of the handle 9 and the fixed block 10.
[0024] The top surface of the handle 9 is rotatably provided with a knob 11, the bottom surface of the knob 11 is provided with a screw 12, the bottom surface of the knob 11 is fixedly connected to the top of the screw 12, the bottom end of the screw 12 extends through the bottom surface of the handle 9 and is threadedly connected with a movable plate 13, the bottom end of the screw 12 is rotatably connected to the fixed block 10, a T-block 16 is provided on the left side of the movable plate 13, the left side of the movable plate 13 is fixedly connected to the right side of the T-block 16, a T-slot is provided on the right side of the measuring rod 1, and the T-block 1 6 is slidably connected to the T-slot, and the T-block 16 is guided and limited by the T-slot, so as to guide and limit the running track of the moving plate 13, so that the moving plate 13 always maintains a straight running state. A scale line 15 is set on the front side of the measuring rod 1. By turning the knob 11, the screw rod 12 can be driven to rotate. The rotation of the screw rod 12 can drive the moving plate 13 to move up and down along the screw rod 12, so that the height of the moving plate 13 can be adjusted, so as to facilitate the measurement of the thickness of the concrete.
[0025] In this embodiment, when using the device, the device is inserted into the concrete with the support plate 8 as the bottom end, and then the knob 2 is turned. The rotation of the knob 2 can drive the rotating rod 3 to rotate, and the rotation of the rotating rod 3 can drive the large gear 4 to rotate. The rotation of the large gear 4 can drive the small gear 6 to rotate, and the rotation of the small gear 6 can drive the rack 7 to move. The movement of the rack 7 can drive the supporting plate 8 to move outward at the same time, thereby increasing the bottoming area of the device, increasing the stability of the device, and keeping the device perpendicular to the bottom surface. Then, the knob 2 11 is turned. The rotation of the knob 2 11 can drive the screw rod 12 to rotate. The rotation of the screw rod 12 can drive the movable plate 13 to move up and down along the screw rod 12, so that the bottom surface of the screw rod 12 is flush with the top surface of the concrete, and then the thickness of the concrete is measured according to the indication of the scale line 15.
[0026] The above specific embodiment is only a preferred embodiment of the present invention. Based on the technical solution of the present invention and the relevant inspiration of the above embodiment, those skilled in the art can make various alternative improvements and combinations to the above specific embodiment.
Claims
1. A concrete thickness measuring device for road and bridge construction, comprising a measuring rod (1), characterized in that: The top surface of the measuring rod (1) is rotatably provided with a knob 1 (2), the bottom surface of the knob 1 (2) is provided with a rotating rod (3), the bottom surface of the measuring rod (1) is provided with a mounting groove, the bottom end of the rotating rod (3) extends through and extends into the mounting groove on the bottom surface of the measuring rod (1) and is provided with a large gear (4), the top surface of the mounting groove is rotatably provided with a plurality of rotating shafts (5), the bottom outer ring of each rotating shaft (5) is provided with a small gear (6), and each small gear (6) is meshed with the outer ring of the large gear (4), and the measuring rod (1) is provided with a plurality of rotating shafts (5). ) is slidably provided with a plurality of racks (7) on the bottom surface thereof, one side of each rack (7) being meshed with a corresponding pinion (6), and a support plate (8) is provided on the bottom surface of each rack (7), a handle (9) and a fixed block (10) are provided on the right side of the measuring rod (1), a knob (11) is rotatably provided on the top surface of the handle (9), a screw (12) is provided on the bottom surface of the knob (11), and the bottom end of the screw (12) extends through and extends to the bottom surface of the handle (9) and is threadedly connected to a moving plate (13).
2. A concrete thickness measuring device for road and bridge construction according to claim 1, characterized in that: A trapezoidal block (14) is provided on the bottom surface of the measuring rod (1) at a position corresponding to each rack (7), a trapezoidal groove is provided on the top surface of each rack (7), and the trapezoidal block (14) is slidably connected to the corresponding trapezoidal groove.
3. A concrete thickness measuring device for road and bridge construction according to claim 1, characterized in that: The support plates (8) are arranged in a triangular shape, the outer circle of the bottom surface is a smooth arc, and each of the support plates (8) is combined to form a circle.
4. A concrete thickness measuring device for road and bridge construction according to claim 1, characterized in that: The front side of the measuring rod (1) is provided with scale lines (15).
5. A concrete thickness measuring device for road and bridge construction according to claim 1, characterized in that: The bottom end of the screw rod (12) is rotationally connected to the fixed block (10).
6. A concrete thickness measuring device for road and bridge construction according to claim 1, characterized in that: A T-shaped block (16) is provided on the left side of the movable plate (13), a T-shaped slot is provided on the right side of the measuring rod (1), and the T-shaped block (16) is slidably connected to the T-shaped slot.