Concrete test piece size measuring device
By designing a concrete specimen dimension measurement device including a workbench, conveyor belt, electric push rod, worm gear and laser rangefinder, the problem of manual adjustment of the specimen angle and position in the prior art is solved, and an efficient and automated measurement process is achieved.
Patent Information
- Application Number
- CN202421448392.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-24
- Publication Date
- 2025-04-29
- Estimated Expiration
- 2034-06-24
AI Technical Summary
The existing concrete specimen dimension measurement device requires manual adjustment of the angle and placement of the specimen to meet the measurement requirements of the laser rangefinder, resulting in inefficient measurement.
A concrete specimen dimension measurement device is designed, including a workbench, a conveyor belt, an electric push rod, a worm gear and a laser rangefinder. By automatically adjusting the angle and position of the specimen, measurements without manual operation are achieved.
It improves the measurement efficiency of concrete specimens, realizes automatic loading and measurement processes, and reduces the time and energy of manual operation.
Smart Images

Figure CN222812341U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of size measuring devices, in particular to a concrete test piece size measuring device. Background Art
[0002] Concrete structure is one of the most widely used structural forms at home and abroad. With the improvement of construction efficiency and quality requirements in the construction industry, modular construction is becoming more and more widely used. Square concrete pieces are the main building units in modular construction. The angle between two adjacent planes of the finished square concrete piece needs to be fixed at a uniform value. The requirements for concrete test pieces in the national standard "Standard for Test Methods of Mechanical Properties of Ordinary Concrete" are: the angle between adjacent faces of the test piece should be 90°, and the tolerance shall not exceed 0.5°.
[0003] The existing concrete specimen size measuring device needs to manually adjust the angle and placement of the concrete specimen when measuring the concrete specimen so that the concrete specimen and the laser rangefinder always remain parallel, which makes the adjustment of the concrete specimen time-consuming and labor-intensive, affecting the measurement efficiency. Therefore, a concrete specimen size measuring device is proposed to solve the above-mentioned problems. Utility Model Content
[0004] 1. Technical issues to be resolved
[0005] In view of the deficiencies in the prior art, the utility model provides a device for measuring the size of concrete specimens, which has the advantages of automatically adjusting the placement angle and position of concrete specimens, improving the measurement efficiency of concrete specimens, and automatically loading concrete specimens to be measured without the need for manual operation. This solves the problem of manually adjusting the angle and placement position of concrete specimens to meet the measurement needs of a laser rangefinder when measuring concrete specimens.
[0006] (II) Technical solution
[0007] The utility model solves the above-mentioned technical problem with a technical solution as follows: a concrete specimen size measuring device comprises a workbench, a conveyor belt is installed inside the workbench, a support plate is fixedly connected to the top of the workbench, an electric push rod is fixedly connected to the front side of the support plate, an output end of the electric push rod is fixedly connected to the push plate located on the upper side of the conveyor belt, a worm gear is rotatably connected to the top of the workbench, two first connecting plates are fixedly connected to the top of the workbench, a worm gear is rotatably connected to the opposite inner sides of the two first connecting plates, a motor whose output shaft is fixedly connected to the worm gear is fixedly connected to the front side of the front first connecting plate, two first laser rangefinders symmetrically distributed are arranged on the top of the workbench, the two first laser rangefinders are respectively located on the left and right sides of the worm gear, a second laser rangefinder located on the front side of the worm gear is slidably connected to the inside of the workbench, and a support frame is fixedly connected to the top of the workbench.
[0008] The beneficial effects of the utility model are:
[0009] The concrete specimen size measuring device has the advantages of automatically adjusting the placement angle and position of the concrete specimen, improving the measurement efficiency of the concrete specimen, and automatically loading the concrete specimen to be measured without manual operation.
[0010] On the basis of the above technical solution, the present invention can also be improved as follows.
[0011] Furthermore, a sliding groove is provided inside the workbench, a cylinder is fixedly connected to the inner bottom wall of the sliding groove, an output end of the cylinder is fixedly connected to the second laser rangefinder, and the second laser rangefinder is slidably connected to the inner wall of the sliding groove.
[0012] The beneficial effect of adopting the above further solution is that it is easy to push the measured concrete specimens out of the workbench so that they can be collected together for storage and transportation without manually taking out the measured concrete specimens.
[0013] Furthermore, a support column is fixedly connected to the top of the workbench, a fixed column located on the left side of the support column is fixedly connected to the top of the workbench, and a loading plate is installed on the fixed column and the top of the support column.
[0014] Furthermore, the length of the supporting column is greater than that of the fixing column, the loading plate is in an inclined state, two symmetrically distributed baffles are fixedly connected to the top of the loading plate, and a second connecting plate is installed on the top of the loading plate.
[0015] The beneficial effect of adopting the above further solution is that it is convenient to slide the concrete test pieces on the loading plate down in sequence and measure them one by one, thereby ensuring that each concrete test piece is measured.
[0016] Furthermore, the top of the workbench is fixedly connected to a hydraulic rod located at the bottom of the loading plate, and the output end of the hydraulic rod is fixedly connected to a lifting plate that is slidably connected to the inside of the loading plate.
[0017] Furthermore, the support frame is located on the right side of the worm gear, and a third laser rangefinder located on the upper side of the worm gear is provided on the inner top wall thereof, and a controller is installed on the rear side of the workbench.
[0018] The beneficial effect of adopting the above further solution is that it is convenient to measure the height of the concrete specimen, to control the conveyance of the concrete specimen and to measure the size of the concrete specimen without manual operation. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 It is a schematic diagram of the structure of the utility model;
[0020] Figure 2 This is an enlarged view of the structure A of the utility model;
[0021] Figure 3 This is a bottom view of the structure of the utility model;
[0022] Figure 4 This is the connection diagram of the hydraulic rod and lifting plate of the utility model structure.
[0023] In the figure: 1. workbench; 2. conveyor belt; 3. support plate; 4. electric push rod; 5. push plate; 6. worm gear; 7. first connecting plate; 8. worm; 9. motor; 10. first laser rangefinder; 11. second laser rangefinder; 12. support frame; 13. third laser rangefinder; 14. sliding groove; 15. cylinder; 16. support column; 17. fixed column; 18. loading plate; 19. baffle; 20. second connecting plate; 21. hydraulic rod; 22. lifting plate; 23. controller. DETAILED DESCRIPTION
[0024] 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.
[0025] In the embodiment, Figure 1-4A concrete specimen size measuring device is given. The utility model includes a workbench 1, a conveyor belt 2 is installed inside the workbench 1, a support plate 3 is fixedly connected to the top of the workbench 1, an electric push rod 4 is fixedly connected to the front side of the support plate 3, and the output end of the electric push rod 4 is fixedly connected to a push plate 5 located on the upper side of the conveyor belt 2, a worm gear 6 is rotatably connected to the top of the workbench 1, two first connecting plates 7 are fixedly connected to the top of the workbench 1, a worm 8 is rotatably connected to the relatively inner sides of the two first connecting plates 7, a motor 9 whose output shaft is fixedly connected to the worm 8 is fixedly connected to the front side of the front first connecting plate 7, two first laser rangefinders 10 symmetrically distributed are arranged on the top of the workbench 1, the two first laser rangefinders 10 are respectively located on the left and right sides of the worm gear 6, a second laser rangefinder 11 located on the front side of the worm gear 6 is slidably connected to the inside of the workbench 1, a support frame 12 is fixedly connected to the top of the workbench 1, and the model of the laser rangefinder is DFF04-60.
[0026] A sliding groove 14 is provided inside the workbench 1 , and a cylinder 15 is fixedly connected to the inner bottom wall of the sliding groove 14 . The output end of the cylinder 15 is fixedly connected to the second laser rangefinder 11 , and the second laser rangefinder 11 is slidably connected to the inner wall of the sliding groove 14 .
[0027] The cylinder 15 is started, and the cylinder 15 drives the second laser rangefinder 11 to slide downward. When the second laser rangefinder 11 is flush with the top of the workbench 1, it is convenient to push the concrete specimen out of the top of the workbench 1 for storage.
[0028] A support column 16 is fixedly connected to the top of the workbench 1 . A fixed column 17 located on the left side of the support column 16 is fixedly connected to the top of the workbench 1 . A loading plate 18 is installed on the top of the fixed column 17 and the support column 16 .
[0029] The length of the support column 16 is greater than that of the fixed column 17 . The loading plate 18 is in an inclined state. Two symmetrically distributed baffles 19 are fixedly connected to the top of the loading plate 18 . A second connecting plate 20 is installed on the top of the loading plate 18 .
[0030] The concrete specimen to be measured is placed on the top of the loading plate 18 . Due to the tilt of the loading plate 18 , the concrete specimen slides to the left side of the loading plate 18 and is blocked by the second connecting plate 20 so as not to slide down.
[0031] A hydraulic rod 21 located at the bottom of the loading plate 18 is fixedly connected to the top of the workbench 1 , and a lifting plate 22 slidably connected to the inside of the loading plate 18 is fixedly connected to the output end of the hydraulic rod 21 .
[0032] The hydraulic rod 21 is started, and the hydraulic rod 21 drives the lifting plate 22 to rise, and the concrete specimen located on the top of the lifting plate 22 is lifted up and slid to the left side of the second connecting plate 20, so that the concrete specimen is sent to the top of the conveyor belt 2 for transmission.
[0033] The support frame 12 is located on the right side of the worm gear 6 , and a third laser rangefinder 13 located on the upper side of the worm gear 6 is disposed on the inner top wall thereof, and a controller 23 is installed on the rear side of the workbench 1 .
[0034] Working principle:
[0035] First: put the concrete specimen to be measured on the top of the loading plate 18. Due to the gravity and the tilt of the loading plate 18, the concrete specimen slides to the right side of the connecting plate 7 in turn. Start the hydraulic rod 21, the hydraulic rod 21 drives the lifting plate 22 to move upward, and the lifting plate 22 drives the concrete specimen to move upward. The concrete specimen slides to the surface of the conveyor belt 2 and is transported to the left and to the front side of the push plate 5. Start the electric push rod 4, the electric push rod 4 drives the push plate 5 to move forward, and pushes the concrete specimen to the top of the worm gear 6.
[0036] Then: start the motor 9, the motor 9 drives the worm 8 to rotate, the worm 8 drives the worm wheel 6 to rotate, the worm wheel 6 drives the concrete specimen to adjust the angle, start the first laser rangefinder 10, the second laser rangefinder 11, and the third laser rangefinder 13 to measure the concrete specimen, start the cylinder 15, the cylinder 15 drives the second laser rangefinder 11 to slide downward, the top of the second laser rangefinder 11 is flush with the workbench 1, start the electric push rod 4, the electric push rod 4 drives the push plate 5 to move the concrete specimen out of the top of the workbench 1.
[0037] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.
[0038] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A device for measuring the size of a concrete specimen, comprising a workbench (1), characterized in that: A conveyor belt (2) is installed inside the workbench (1); a support plate (3) is fixedly connected to the top of the workbench (1); an electric push rod (4) is fixedly connected to the front side of the support plate (3); an output end of the electric push rod (4) is fixedly connected to a push plate (5) located on the upper side of the conveyor belt (2); a worm gear (6) is rotatably connected to the top of the workbench (1); two first connecting plates (7) are fixedly connected to the top of the workbench (1); the two first connecting plates (7) are rotatably connected to the inner sides thereof. The front side of the first connecting plate (7) is fixedly connected to a motor (9) whose output shaft is fixedly connected to the worm (8); the top of the workbench (1) is provided with two first laser rangefinders (10) which are symmetrically distributed, and the two first laser rangefinders (10) are respectively located on the left and right sides of the worm gear (6); the interior of the workbench (1) is slidably connected to a second laser rangefinder (11) located on the front side of the worm gear (6); and the top of the workbench (1) is fixedly connected to a support frame (12).
2. A concrete specimen size measuring device according to claim 1, characterized in that: A sliding groove (14) is provided inside the workbench (1), a cylinder (15) is fixedly connected to the inner bottom wall of the sliding groove (14), an output end of the cylinder (15) is fixedly connected to the second laser rangefinder (11), and the second laser rangefinder (11) is slidably connected to the inner wall of the sliding groove (14).
3. A concrete specimen size measuring device according to claim 1, characterized in that: The top of the workbench (1) is fixedly connected to a support column (16), and the top of the workbench (1) is fixedly connected to a fixed column (17) located on the left side of the support column (16), and a loading plate (18) is installed on the top of the fixed column (17) and the support column (16).
4. A concrete specimen size measuring device according to claim 3, characterized in that: The length of the support column (16) is greater than that of the fixed column (17); the loading plate (18) is in an inclined state; two symmetrically distributed baffles (19) are fixedly connected to the top of the loading plate (18); and a second connecting plate (20) is installed on the top of the loading plate (18).
5. A concrete specimen size measuring device according to claim 3, characterized in that: The top of the workbench (1) is fixedly connected to a hydraulic rod (21) located at the bottom of the loading plate (18), and the output end of the hydraulic rod (21) is fixedly connected to a lifting plate (22) that is slidably connected to the inside of the loading plate (18).
6. A concrete specimen size measuring device according to claim 1, characterized in that: The support frame (12) is located on the right side of the worm gear (6), and a third laser rangefinder (13) located on the upper side of the worm gear (6) is arranged on the inner top wall thereof, and a controller (23) is installed on the rear side of the workbench (1).