A portable device for measuring engineering costs
By combining the internal thread locking mechanism with the telescopic tie rod design, and using casters and buffer pads, the problem of inconvenient operation of engineering cost measurement tools on rough roads has been solved, improving the stability and service life of the device and enhancing its ease of operation under harsh working conditions.
Patent Information
- Application Number
- CN202521929108.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-09-09
- Publication Date
- 2026-06-23
- Estimated Expiration
- 2035-09-09
AI Technical Summary
Existing engineering cost measurement tools are inconvenient to operate on rough roads, especially the single-wheel design which requires constant assistance, affecting work efficiency.
The device employs a combination of internal thread locking and telescopic rod design, along with casters and buffer pads, to enhance stability and load-bearing capacity. The tight thread engagement and buffer structure improve the device's operational stability and service life under harsh conditions.
It achieves stable operation on rough roads, reduces shaking and abnormal noise, improves the portability and service life of the device, and enhances the operational stability and safety under harsh working conditions.
Smart Images

Figure CN224392654U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of engineering cost measurement technology, and in particular relates to a portable engineering cost measurement device. Background Technology
[0002] Traditional cost measurement tools are cumbersome and prone to errors. This device integrates precise distance measurement, data recording and intelligent calculation. Its portable design greatly improves the efficiency and accuracy of on-site measurement, making it a powerful tool for cost estimators.
[0003] Existing technologies disclose several utility model patents in the field of engineering cost measurement. Among them, utility model patent with publication number CN223138628U discloses a portable engineering cost measurement device. This device includes a measuring wheel with a support frame on its outer surface. A support rod is inserted into one side of the support frame. The support rod is divided into multiple segments connected by threads. A connecting block is fixedly installed at the bottom of the lowest support rod, and the connecting block is inserted into the support frame. A groove is formed in the middle of the support rod, and a sliding plate is slidably connected inside the groove. This portable engineering cost measurement device, by using threaded connections between the multiple support rod segments and a chain that allows relative sliding between the inner walls of the support rods, connects and places the separated support rod segments in parallel. This reduces the space occupied by the support rods after retraction, and the chain avoids the problem of rope tangling.
[0004] Although the appealed utility model patent facilitates movement with wheels, the single-wheel design of the patent requires constant assistance, which is not conducive to the operator's work and therefore needs to be improved.
[0005] Based on this, this utility model designs a portable engineering cost measurement device to solve the above problems. Utility Model Content
[0006] The purpose of this utility model is to solve the problem that although the aforementioned utility model patent facilitates movement through wheels, the single-wheel design of the utility model patent requires someone to hold it at all times, which is not conducive to the operation of the operator. Therefore, this utility model patent proposes a portable engineering cost measurement device.
[0007] To achieve the above objectives, the present invention adopts the following technical solution:
[0008] A portable engineering cost measurement device includes a base with a placement slot inside. A rotating support column is fixedly installed on one side of the base, and a top cover is rotatably installed on the top of the base. A rotating shaft is rotatably installed inside the top cover corresponding to the rotating support column. A baffle is provided on the top of the rotating shaft, and the baffle can store tools inside. A connecting plate is fixedly installed on one side of the rotating shaft.
[0009] As a further description of the above technical solution:
[0010] The connecting plate has a threaded post fixedly installed inside. The surface of the threaded post is rotatably fitted with an internal thread locking mechanism. The internal thread locking mechanism has a threaded groove inside, and the threaded groove meshes with the threaded post.
[0011] As a further description of the above technical solution:
[0012] The internal thread locking mechanism has a telescopic rod inside. The bottom of the telescopic rod has an adjustment hole, and the top of the telescopic rod is fixedly installed with a handle. The top of the handle is fixedly installed with a base, and the base has a charging port inside.
[0013] As a further description of the above technical solution:
[0014] A switch button is provided at one end of the rotating shaft, and a display slot is provided at the bottom of the base corresponding to the switch button. Multiple indicator lights are provided inside the display slot.
[0015] As a further description of the above technical solution:
[0016] The base has multiple connecting posts fixedly installed at its bottom, and buffer pads are fixedly installed at the bottom of the connecting posts. Connecting plates are connected to the bottom of the buffer pads.
[0017] As a further description of the above technical solution:
[0018] A rotating platform is connected to the bottom of the connecting plate. A wheel frame is fixedly installed at the bottom of the rotating platform. A wheel is clamped inside the wheel frame, and a brake device is fixedly installed at one end of the wheel frame.
[0019] In summary, due to the adoption of the above technical solution, the beneficial effects of this utility model are:
[0020] 1. In this utility model, in order to adapt to the working requirements of dragging on rugged muddy roads, an internal thread locking type combined with a telescopic pull rod is adopted. The device is locked into a rigid whole through tight thread engagement. When dragging, the telescopic pull rod is stable without shaking or abnormal noise. Moreover, the thread structure can evenly distribute the force and has a strong load-bearing capacity, ensuring the stable operation of the device under harsh working conditions.
[0021] 2. In this utility model, by installing connecting columns and buffer pads at the bottom of the base, the ground clearance of the device is increased, which helps it to cross obstacles, prevents scratches and corrosion, distributes the force on the casters, reduces the risk of damage to the housing, enhances the load-bearing capacity, and extends the service life. Attached Figure Description
[0022] Figure 1 This is a front structural diagram of a portable engineering cost measurement device proposed in this utility model.
[0023] Figure 2 This is a schematic diagram of the open structure of a portable engineering cost measurement device proposed in this utility model.
[0024] Figure 3 This is a bottom view of the structure of a portable engineering cost measurement device proposed in this utility model.
[0025] Figure 4 This is a schematic diagram of the telescopic rod structure of a portable engineering cost measurement device proposed in this utility model;
[0026] Figure 5 This is a schematic diagram of the universal wheel structure of a portable engineering cost measurement device proposed in this utility model;
[0027] Figure 6 This utility model proposes a portable engineering cost measurement device. Figure 1 Enlarged structural diagram at point A in the middle;
[0028] Legend:
[0029] 1. Base; 2. Placement slot; 3. Rotating support column; 4. Top cover plate; 5. Rotating shaft; 6. Baffle; 7. Connecting plate; 8. Threaded column; 9. Internal thread locking type; 10. Threaded groove; 11. Telescopic pull rod; 12. Adjustment hole; 13. Handle; 14. Base; 15. Charging port; 16. Switch button; 17. Display slot; 18. Indicator light; 19. Connecting column; 20. Buffer pad; 21. Connecting piece; 22. Rotating platform; 23. Wheel frame; 24. Wheel; 25. Braking device. Detailed Implementation
[0030] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.
[0031] Please see the appendix Figure 1 - Appendix Figure 6 This utility model provides a technical solution: a portable engineering cost measurement device, including a base 1, a placement groove 2 inside the base 1, a rotating support column 3 fixedly installed on one side of the base 1, an upper cover plate 4 rotatably installed on the top of the base 1, a rotating shaft 5 rotatably installed at the bottom of the upper cover plate 4 corresponding to the interior of the rotating support column 3, a baffle 6 provided on the top of the rotating shaft 5, and the interior of the baffle 6 can store tools, and a connecting plate 7 fixedly installed on one side of the rotating shaft 5.
[0032] The specific implementation method is as follows: a threaded post 8 is fixedly installed inside the connecting plate 7, and an internal thread locking type 9 is rotatably installed on the surface of the threaded post 8. The internal thread locking type 9 has a threaded groove 10 inside, and the threaded groove 10 and the threaded post 8 mesh with each other.
[0033] By setting a threaded post 8 and an internal thread locking type 9, the internal thread locking type 9 is rotated and installed on the surface of the threaded post 8, so that the thread groove 10 inside the internal thread locking type 9 engages with the surface of the threaded post 8, thus fixing the internal thread locking type 9 on the surface of the threaded post 8. After the telescopic rod 11 is installed inside the internal thread locking type 9, the box can be moved by pulling the telescopic rod 11, thereby improving the convenience of the device.
[0034] The specific implementation method is as follows: The internal thread locking type 9 is provided with a telescopic rod 11, the bottom of the telescopic rod 11 is provided with an adjustment hole 12, the top of the telescopic rod 11 is fixedly installed with a handle 13, the top of the handle 13 is fixedly installed with a base 14, and the base 14 is provided with a charging port 15.
[0035] By setting up a telescopic lever 11 and a charging port 15, after the telescopic lever 11 is installed inside the internal thread locking type 9, the charging port 15 is connected to the internal battery by connecting the internal battery through the telescopic lever 11 and the handle 13. Users can charge mobile phones and other devices without having to stop, put down the telescopic lever 11, or open the rotating shaft 5.
[0036] The specific implementation method is as follows: a switch button 16 is provided at one end of the rotating shaft 5, and a display groove 17 is provided at one end of the base 1 corresponding to the bottom of the switch button 16. Multiple display lights 18 are provided inside the display groove 17.
[0037] By setting the rotating shaft 5 and the switch button 16, pressing the switch button 16 will cause the upper cover plate 4 to flip up through the rotating shaft 5, so that the upper cover plate 4 can be opened and the measuring tool installed inside the placement slot 2 can be taken out. Pressing the switch button 16 will unlock the buckle, so that the setting can be protected when not in use.
[0038] The specific implementation method is as follows: multiple connecting posts 19 are fixedly installed at the bottom of the base 1, buffer pads 20 are fixedly installed at the bottom of the connecting posts 19, and connecting pieces 21 are connected to the bottom of the buffer pads 20.
[0039] By setting up connecting columns 19 and buffer pads 20, the connecting columns 19 are fixedly installed at multiple locations on the top of the base 1 to raise the base 1 above the ground, preventing small objects on the ground from scratching the bottom of the box. The buffer pads 20 installed at the bottom of the connecting columns 19 improve the shock absorption function of the device and protect the precision instruments inside the placement slot 2.
[0040] The specific implementation method is as follows: a rotating platform 22 is connected to the bottom of the connecting piece 21, a wheel frame 23 is fixedly installed at the bottom of the rotating platform 22, a wheel 24 is clamped inside the wheel frame 23, and a brake device 25 is fixedly installed at one end of the wheel frame 23.
[0041] By setting up a rotating platform 22 and a braking device 25, the rotating platform 22, which is installed at multiple locations on the bottom of the connecting piece 21, provides the device with a steering function, making the device more convenient. When the device is pulled to a designated position, the braking device 25 is pressed to fix the device in place, making it easier to retrieve tools in the next step.
[0042] Working principle and usage:
[0043] Before using the device, a simple inspection of its surface and bottom is necessary to check for any damage, as damage may affect its sealing performance.
[0044] After the inspection is completed, the telescopic rod is installed to pull the device. Specifically, the internal thread locking type 9 is rotated and installed onto the surface of the threaded post 8, ensuring that the thread groove 10 inside the internal thread locking type 9 is tightly engaged with the surface of the threaded post 8. Then, the telescopic rod 11 is installed inside the internal thread locking type 9, and the device can be pulled.
[0045] After pulling the device to the designated position, step on the brake device 25 to secure the device firmly in place and prevent it from moving.
[0046] When it is necessary to take out the instrument for working measurement, press the switch button 16, and the upper cover 4 will be lifted. During this process, the rotating shaft 5 at the bottom of the upper cover 4 will rotate inside the rotating support column 3. Finally, take out the instrument from the placement slot 2 to complete the preparation work before working measurement.
[0047] The above are merely preferred embodiments of this utility model, but the scope of protection of this utility model is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in this utility model, based on the technical solution and inventive concept of this utility model, should be included within the scope of protection of this utility model.
Claims
1. A portable engineering cost surveying device, comprising a base (1), characterized in that, The base (1) has a placement slot (2) inside. A rotating support column (3) is fixedly installed on one side of the base (1). A top cover plate (4) is rotatably installed on the top of the base (1). A rotating shaft (5) is rotatably installed on the bottom of the top cover plate (4) corresponding to the inside of the rotating support column (3). A baffle (6) is provided on the top of the rotating shaft (5), and tools can be stored inside the baffle (6). A connecting plate (7) is fixedly installed on one side of the rotating shaft (5).
2. The portable construction cost surveying device according to claim 1, wherein A threaded post (8) is fixedly installed inside the connecting plate (7). An internal thread locking type (9) is rotatably installed on the surface of the threaded post (8). The internal thread locking type (9) has a threaded groove (10) inside, and the threaded groove (10) meshes with the threaded post (8).
3. The portable construction cost surveying device according to claim 2, wherein, The internal thread locking type (9) has a telescopic rod (11) inside. The bottom of the telescopic rod (11) has an adjustment hole (12). The top of the telescopic rod (11) is fixedly installed with a handle (13). The top of the handle (13) is fixedly installed with a base (14). The base (14) has a charging port (15) inside.
4. The portable construction cost surveying device according to claim 1, wherein, A switch button (16) is provided at one end of the rotating shaft (5), and a display slot (17) is provided at the bottom of the base (1) corresponding to the switch button (16). Multiple indicator lights (18) are provided inside the display slot (17).
5. The portable construction cost surveying device according to claim 1, wherein, Multiple connecting posts (19) are fixedly installed at the bottom of the base (1), and buffer pads (20) are fixedly installed at the bottom of the connecting posts (19). A connecting piece (21) is connected to the bottom of the buffer pads (20).
6. The portable construction cost surveying device according to claim 5, wherein A rotating platform (22) is connected to the bottom of the connecting piece (21). A wheel frame (23) is fixedly installed at the bottom of the rotating platform (22). A wheel (24) is held inside the wheel frame (23). A brake device (25) is fixedly installed at one end of the wheel frame (23).
Citation Information
Patent Citations
Portable engineering cost actual measurement device
CN223138628U