Level gauge support for engineering cost
By designing a level holder including rectangular rods, sliding grooves and expansion claw mechanisms, the problem of measuring shaking on gravel floors is solved, and stable support and accurate measurement on uneven grounds are achieved.
Patent Information
- Application Number
- CN202420900991.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-28
- Publication Date
- 2025-01-10
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
When the existing level holder is measured in the field, due to the large amount of gravel on the ground, the contact surface between the support legs and the ground is small, which makes it easy to shake during the measurement process, affecting the accuracy of the measurement.
A level holder for engineering cost is designed, including a mounting seat, a rectangular rod, a sliding groove, a moving rod, a expansion claw mechanism and a connecting piece. By adjusting the position of the rectangular rod and a moving rod, the expansion claw mechanism is used to expand the support foot and the ground. Contact point to ensure the stability of the bracket.
On uneven or gravel ground, the brackets can remain stable, improve measurement accuracy and protect the level from damage.
Smart Images
Figure CN222335026U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of brackets, and in particular relates to a level bracket for engineering cost. Background Art
[0002] The level stand is an instrument used to measure the elevation of the ground. It is mainly composed of a telescope, a level, a base and other parts. The working principle of the level is to use the level to adjust the horizontal position of the telescope, and then observe the scale on the level rod through the telescope to measure the elevation of the ground. When performing leveling, the level needs to be placed in a stable position to ensure the accuracy of the measurement results. In addition, the level stand can also protect the level to avoid damage during use. In the prior art, when measuring in the field, there is a lot of gravel on the ground, and the contact area between the support legs and the ground is small and cannot provide stable support. It is easy to shake during the measurement process, thereby affecting the measurement accuracy. Utility Model Content
[0003] The utility model aims to solve the shortcomings in the prior art and proposes a level bracket for engineering cost.
[0004] In order to achieve the above purpose, the utility model provides a level bracket for engineering cost, including a mounting seat, wherein three corners of the mounting seat are rotatably mounted with rectangular rods, each of the rectangular rods is provided with a sliding groove, a moving rod is slidably mounted in each sliding groove, a through groove is opened inside the lower end of the moving rod, an expansion claw mechanism is slidably mounted in the through groove, a connecting rod is provided on the inner surface of each moving rod, a connecting piece is provided between the three moving rods, and a support plate is provided at the lower end of the connecting piece.
[0005] In the above technical solution, further, the connecting piece is penetrated by a threaded rod, the upper end of the threaded rod is fixedly mounted with a rotating wheel, and the lower end of the threaded rod is rotatably mounted with a supporting plate.
[0006] In the above technical solution, further, a threaded handle is installed through the front surface of each rectangular rod, and a plurality of equidistantly arranged limiting circular grooves are provided on the front surface of the moving rod, and the limiting circular grooves correspond to the threaded handle.
[0007] In the above technical solution, further, the expansion claw mechanism includes an inner rod slidably installed in the through groove, the surface of the inner rod is provided with locking teeth, the lower end of the inner rod is fixedly installed with a supporting foot, and the outer surface of the supporting foot is rotatably installed with an extension plate.
[0008] In the above technical solution, further, three equidistantly arranged rotating seats are fixedly mounted on the outer surface of the connecting member, and a connecting rod is rotatably mounted on each of the rotating seats.
[0009] In the above technical solution, further, a fastener corresponding to the locking tooth is fixedly mounted on the rear surface of the lower end of each of the moving rods.
[0010] Compared with the prior art, the utility model has the following beneficial effects:
[0011] 1. When not in use, the three rectangular rods and the connecting rod are in a close state. When the equipment is deployed, the rectangular rods are rotated according to the ground conditions, and the position of the moving rod on the sliding groove is adjusted. The connecting rod installed on the inner side of the moving rod is opened accordingly. Under the action of the three connecting rods, the support plate moves downward, so that the moving rod remains stable after opening;
[0012] 2. An inner rod is slidably installed at the lower end of each moving rod, and a retractable extension plate is installed on the surrounding surface of the inner rod. When the ground is uneven or a large amount of gravel cannot be set up well, the extension plate is unfolded to increase the contact point with the ground, so that the bracket remains stable. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 This is a structural schematic diagram of a level instrument bracket used in engineering costing of the utility model;
[0014] Figure 2 This is a structural schematic diagram of a level instrument bracket used in engineering costing of the utility model;
[0015] Figure 3 This is a structural schematic diagram of a level instrument bracket used in engineering costing of the utility model;
[0016] Figure 4 This is a structural schematic diagram of a level instrument bracket used in engineering costing of the utility model;
[0017] Figure 5 The utility model is a structural schematic diagram of a level instrument bracket used in engineering cost.
[0018] Among them: 1. Mounting seat; 2. Rectangular rod; 3. Moving rod; 4. Sliding groove; 5. Limiting circular groove; 6. Threaded handle; 7. Connecting rod; 8. Through groove; 9. Locking teeth; 10. Fastener; 11. Inner rod; 12. Support foot; 13. Extension plate; 14. Rotating wheel; 15. Threaded rod; 16. Rotating seat; 17. Support plate; 18. Connecting piece. DETAILED DESCRIPTION
[0019] In order to more clearly understand the above-mentioned objects, features and advantages of the present invention, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.
[0020] like Figure 1-Figure 5A level bracket for engineering cost shown in the figure includes a mounting base 1, and rectangular rods 2 are rotatably mounted on the three corners of the mounting base 1. A sliding groove 4 is provided inside each rectangular rod 2, and a moving rod 3 is slidably mounted in each sliding groove 4. A through groove 8 is opened inside the lower end of the moving rod 3, and an expansion claw mechanism is slidably mounted in the through groove 8. A connecting rod 7 is provided on the inner surface of each moving rod 3, and a connecting piece 18 is provided between the three moving rods 3, and a support plate 17 is provided at the lower end of the connecting piece 18.
[0021] like Figure 2 As shown, a threaded handle 6 is installed through the front surface of each rectangular rod 2, and a plurality of equally spaced limiting circular grooves 5 are provided on the front surface of the moving rod 3. The limiting circular grooves 5 correspond to the threaded handle 6. The position of the moving rod 3 inside the sliding groove 4 is adjusted according to the elevation to be measured, and the threaded handle 6 is rotated downward to align with the limiting circular groove 5, thereby limiting and fixing the moving rod 3.
[0022] like Figure 3 As shown, a fastener 10 corresponding to the locking teeth 9 is fixedly installed on the rear surface of the lower end of each moving rod 3, and the inner rod 11 is limited and fixed in a position inside the through slot 8 by pressing the fastener 10 to fit the locking teeth 9.
[0023] like Figure 4 As shown, the connecting member 18 is penetrated by a threaded rod 15, a rotating wheel 14 is fixedly installed on the upper end of the threaded rod 15, and a support plate 17 is rotatably installed on the lower end of the threaded rod 15. Three equally spaced rotating seats 16 are fixedly installed on the outer surface of the connecting member 18, and a connecting rod 7 is rotatably installed on each rotating seat 16. The rotating wheel 14 is rotated to make the threaded rod 15 move vertically, and the three connecting rods 7 installed on the lower end of the connecting member 18 are folded and unfolded to improve the stability of the bracket.
[0024] like Figure 5 As shown, the expansion claw mechanism includes an inner rod 11 slidably installed in the through groove 8, the surface of the inner rod 11 is provided with locking teeth 9, the lower end of the inner rod 11 is fixedly installed with a support foot 12, and the outer surface of the support foot 12 is rotatably installed with an extension plate 13. When there is a large amount of gravel on the ground and it cannot be well expanded and fixed, the contact point between the support foot 12 and the ground is expanded by rotating the extension plate 13 to increase support.
[0025] Working principle: During the construction process, the ground environment is usually not flat enough, and there are a lot of gravel ground depressions. In this case, a bracket that can provide stable support is required to obtain accurate elevation measurement data. First, the level is fixedly installed on the upper surface of the mounting seat 1. Three rectangular rods 2 are rotatably installed at the three corners of the mounting seat 1. A sliding groove 4 is provided on the rear surface of each rectangular rod 2. A moving rod 3 is slidably installed inside the sliding groove 4. The moving rod 3 and the rectangular rod 2 together improve the supporting effect. A threaded handle 6 is installed through the front surface of the rectangular rod 2, and a number of equidistantly arranged limiting circular grooves 5 are provided on the front surface of the moving rod 3. The limiting circular grooves 5 correspond to the threaded handle 6. The moving rod 3 is fixed in position by rotating the threaded handle 6 downward, and the positions of the three moving rods 3 inside the sliding groove 4 are changed according to the ground conditions, thereby realizing the horizontal fixation of the mounting seat 1. Connecting rods 7 are installed on the rear surfaces of the three moving rods 3. Connecting parts 18 are installed at the ends of the three connecting rods 7 away from the moving rods 3. Three rotating seats 16 corresponding to the connecting rods 7 are fixedly installed at the lower ends of the connecting parts 18. The threaded rods 15 are driven to move vertically by rotating the rotating wheels 14, thereby realizing the folding and unfolding of the connecting rods 7 and the moving rods 3.
[0026] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and the specification only describe the principles of the utility model. The utility model may be subject to various changes and improvements without departing from the spirit and scope of the utility model. These changes and improvements fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.
Claims
1. A level stand for engineering cost measurement, comprising a mounting base (1), characterized in that: Rectangular rods (2) are rotatably mounted on the three corners of the mounting seat (1), each rectangular rod (2) is provided with a sliding groove (4), a moving rod (3) is slidably mounted in each sliding groove (4), a through groove (8) is provided inside the lower end of the moving rod (3), an expansion claw mechanism is slidably mounted in the through groove (8), a connecting rod (7) is provided on the inner surface of each moving rod (3), a connecting piece (18) is provided between the three moving rods (3), and a supporting plate (17) is provided at the lower end of the connecting piece (18).
2. The engineering cost level bracket according to claim 1, characterized in that: A threaded rod (15) is installed through the connecting piece (18), a rotating wheel (14) is fixedly installed on the upper end of the threaded rod (15), and a supporting plate (17) is rotatably installed on the lower end of the threaded rod (15).
3. The engineering cost level bracket according to claim 1, characterized in that: A threaded handle (6) is installed through the front surface of each rectangular rod (2), and a plurality of equally spaced limiting circular grooves (5) are provided on the front surface of the moving rod (3), wherein the limiting circular grooves (5) correspond to the threaded handle (6).
4. The engineering cost level bracket according to claim 1, characterized in that: The expansion claw mechanism comprises an inner rod (11) slidably mounted in a through slot (8), a locking tooth (9) being provided on the surface of the inner rod (11), a supporting foot (12) being fixedly mounted on the lower end of the inner rod (11), and an extension plate (13) being rotatably mounted on the outer surface of each of the four sides of the supporting foot (12).
5. The engineering cost level bracket according to claim 2, characterized in that: Three rotating seats (16) arranged at equal distances are fixedly mounted on the outer surface of the connecting member (18), and a connecting rod (7) is rotatably mounted on each rotating seat (16).
6. The engineering cost level bracket according to claim 3, characterized in that: A fastener (10) corresponding to the locking teeth (9) is fixedly mounted on the rear surface of the lower end of each moving rod (3).