Embedded box structure for checking compactness
By pre-embedding an iron box structure in the cemented sand and gravel, the problems of time-consuming and labor-intensive testing and insufficient detection depth in the existing technology are solved, and efficient and stable compaction inspection is achieved.
Patent Information
- Application Number
- CN202422963070.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-03
- Publication Date
- 2025-10-10
- Estimated Expiration
- 2034-12-03
AI Technical Summary
Existing technologies are time-consuming and labor-intensive in checking the compaction of cemented sand and gravel, and the detection depth of nuclear density meters is insufficient, making it difficult to effectively assess the compaction.
A pre-buried box structure is designed, including an iron box with a diameter of 50 cm and a height of 30 cm, which is equipped with an anti-displacement mechanism and a reinforcement plate. It is pre-buried in the uncompacted paving material and forms a shallow pit after compaction, which is convenient for detection and reduces the excavation workload. The anti-displacement mechanism and reinforcement plate are used to improve the stability and compression resistance of the iron box.
The embedded box structure reduces the excavation workload, improves the efficiency and accuracy of detection, ensures the stability of the iron box during the rolling process, and simplifies the compaction inspection process.
Smart Images
Figure CN223423221U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of compaction degree inspection of thick layers of gelled sand and gravel, in particular to an embedded box structure for compaction degree inspection. Background Art
[0002] Cemented sand and gravel is the foundation material for roadbeds, embankments or other infrastructure. Its compaction directly affects the bearing capacity and stability of the structure. If the compaction is insufficient, it may cause foundation settlement, deformation or damage, thereby affecting the safety and durability of the entire project. Therefore, its compaction needs to be checked.
[0003] The thickness of the cementitious gravel compaction layer is generally about 50cm to 70cm. Digging deep pits and filling them with water for inspection is laborious and time-consuming. The drilling depth of the nuclear density meter is not deep enough, generally only up to 30cm deep. The current common detection method is to dig out the upper 25cm to 40cm to form a shallower pit, and then use the nuclear density meter to drill holes in the pit for detection. This operation method is still time-consuming and labor-intensive.
[0004] In view of this, an embedded box structure for compaction inspection is proposed to solve the above-mentioned problems. Utility Model Content
[0005] The purpose of the utility model is to provide a pre-buried box structure for compaction inspection, which can dig a pit in the paving material that has not been compacted and pre-buried an iron box with a diameter of 50 cm and a height of 30 cm. After rolling and compaction, it can be pried open to form a shallow pit on the upper part, reducing the workload of excavation.
[0006] The utility model provides a pre-embedded box structure for compaction inspection, comprising an iron box, the diameter of the iron box being fifty centimeters, the height of the iron box being thirty centimeters, and a top cover being fixed to the upper end of the iron box by bolts, an anti-displacement mechanism being installed inside the iron box, the iron box being pre-embedded in the paving material, the anti-displacement mechanism sliding out from the inside of the iron box and plugging into the paving material to prevent the iron box from being displaced when being rolled.
[0007] Preferably, a bottom reinforcement plate is fixedly provided on the bottom of the inner side of the iron box, and an end reinforcement plate is provided on the lower side of the top cover.
[0008] Preferably, a middle plate is fixedly provided on the upper end of the bottom reinforcing plate, and the upper end of the middle plate is in contact with the lower side of the end reinforcing plate.
[0009] Preferably, the anti-displacement mechanism includes slide rails provided on both sides of the middle plate, and anti-displacement rods are slidably provided on both ends of the slide rails, and the anti-displacement rods are slidably connected to the openings provided on the side walls of the iron box.
[0010] Preferably, a screw rod 1 is rotatably provided in the slide rail, and both ends of the screw rod 1 are respectively threadedly connected to the two anti-movement rods.
[0011] Preferably, the middle position of the screw rod 1 is connected to a bevel gear 1, the upper end of the slide rail is rotatably mounted with a bevel gear 2, the bevel gear 1 is meshed with the bevel gear 2, and the rotating shaft of the bevel gear 2 is coaxially connected to the screw rod 2.
[0012] Preferably, a lifting rod is threadedly connected to the screw rod 2, and the upper end of the screw rod 2 passes through the top cover and extends to the outside.
[0013] Preferably, a through slot 1 is symmetrically provided on the end reinforcing plate, and a through slot 2 is symmetrically provided on the upper end of the top cover.
[0014] Preferably, limit bars are symmetrically provided on both inner walls of the iron box, and limit grooves are provided on both sides of the slide rail, and the limit bars are slidably connected to the limit grooves.
[0015] Preferably, the lower end of the bottom reinforcement plate and the upper end of the end reinforcement plate are both provided with reinforcement ribs.
[0016] The embedded box structure for compaction inspection provided by the embodiment of the utility model has the following advantages compared with the prior art:
[0017] 1. The utility model pre-buries an iron box with a diameter of 50 cm and a height of 30 cm in the uncompacted paving material by digging a pit, and then prying it open after compaction to form a shallow pit on the upper part, thereby reducing the excavation workload.
[0018] 2. The utility model strengthens the inside of the iron box by installing a bottom reinforcement plate, an end reinforcement plate and a middle plate inside the iron box to improve the pressure resistance and deformation resistance of the iron box, installs an anti-displacement mechanism inside the iron box, and utilizes the anti-displacement plug-in rod to slide out of the iron box and insert it into the paving material to improve the stability of the iron box and prevent the iron box from being displaced during rolling. At the same time, when the anti-displacement plug-in rod is slid into the iron box, the lifting rod is prompted to slide upward out of the iron box, making it convenient for the staff to lift and move the iron box out of the paving material. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following is a brief introduction to the drawings required for use in the embodiments. It should be understood that the following drawings only show certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without creative work.
[0020] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the utility model;
[0021] Figure 2 This is a schematic cross-sectional view of the overall structure of an embodiment of the present utility model;
[0022] Figure 3 This is a schematic diagram of the overall structure of an embodiment of the utility model;
[0023] Figure 4 This is a schematic diagram of the internal structure of the iron box according to an embodiment of the present utility model;
[0024] Figure 5 For the embodiment of the utility model Figure 4 Schematic diagram of the structure at A;
[0025] Figure 6 This is a schematic diagram of the anti-displacement mechanism structure of an embodiment of the utility model;
[0026] Figure 7 This is a schematic diagram of the lifting rod in the embodiment of the present utility model in a moving state;
[0027] Figure 8 This is a schematic diagram of the first-class structure of the screw rod in an embodiment of the present utility model.
[0028] Reference numerals:
[0029] 1. Iron box; 2. Bottom reinforcement plate; 3. End reinforcement plate; 4. Top cover; 5. Middle plate; 6. Through slot 1; 7. Through slot 2; 8. Slide rail; 9. Anti-movement rod; 10. Limiting slot; 11. Limiting strip; 12. Screw rod 1; 13. Bevel gear 1; 14. Bevel gear 2; 15. Screw rod 2; 16. Lifting rod. DETAILED DESCRIPTION
[0030] The following embodiments of the present invention are described in detail with reference to the accompanying drawings. In the absence of conflict, the following embodiments and features in the embodiments may be combined with each other.
[0031] Example 1
[0032] Please refer to Figure 1 The embodiment of the utility model provides a pre-buried box structure for compaction inspection, including an iron box 1. The diameter of the iron box 1 is fifty centimeters and the height of the iron box 1 is thirty centimeters. A pit is first dug in the uncompacted paving material to pre-buried an iron box 1, which is then pried open after rolling and compaction to form a shallow pit on the upper part, reducing the workload of excavation.
[0033] Example 2
[0034] Please refer to Figures 2 to 8 As shown, a top cover 4 is fixed to the upper end of the iron box 1 by bolts. The top cover 4 seals the iron box 1 and can be disassembled after the bolts are removed.
[0035] During the rolling process, due to the huge pressure, the iron box 1 may be deformed, affecting the subsequent test results. Therefore, a bottom reinforcement plate 2 is fixedly provided at the bottom of the inner side of the iron box 1, and an end reinforcement plate 3 is provided on the lower side of the top cover 4. The lower end of the bottom reinforcement plate 2 and the upper end of the end reinforcement plate 3 are both provided with reinforcement ribs to strengthen the inside of the iron box 1 and improve the pressure resistance and anti-deformation ability of the iron box 1.
[0036] Furthermore, a middle plate 5 is fixedly provided at the upper end of the bottom reinforcing plate 2, and the upper end of the middle plate 5 is fitted with the lower side of the end reinforcing plate 3. The middle plate 5 is used to support the end reinforcing plate 3 and the top cover 4, thereby further improving the anti-deformation ability of the iron box 1.
[0037] like Figure 4 and Figure 5 As shown, considering that the iron box 1 may be displaced during the rolling process, an anti-displacement mechanism is installed inside the iron box 1. The iron box 1 is pre-buried in the paving material. The anti-displacement mechanism slides out from the inside of the iron box 1 and is inserted into the paving material to prevent the iron box 1 from being displaced when being rolled.
[0038] Specifically, the anti-displacement mechanism includes slide rails 8 provided on both sides of the middle plate 5, and anti-displacement rods 9 are slidably provided at both ends of the slide rails 8. After the iron box 1 is embedded in the paving material, the anti-displacement rods 9 are slid out through the openings provided on the side walls of the iron box 1, so that the anti-displacement rods 9 are inserted into the paving material, thereby improving the stability of the iron box 1.
[0039] Furthermore, a screw rod 12 is rotatably provided in the slide rail 8, and the two ends of the screw rod 12 are respectively threadedly connected to the two anti-movement rods 9. The screw rod 12 is a bidirectional screw rod. When the screw rod 12 rotates, the anti-movement rods 9 at both ends can slide at the same time, and the self-locking effect of the screw rod 12 can improve the stability of the anti-movement rod 9.
[0040] Secondly, it is necessary to move the iron box 1 out of the paving material during inspection. In order to facilitate the movement of the iron box 1, a bevel gear 13 is connected to the middle position of the screw rod 12, and a bevel gear 2 14 is rotatably installed on the upper end of the slide rail 8. The bevel gear 13 and the bevel gear 2 14 are meshed, and the rotating shaft of the bevel gear 2 14 is coaxially connected with the screw rod 2 15. In addition, a lifting rod 16 is threadedly connected to the screw rod 2 15, and the upper end of the screw rod 2 15 extends through the top cover 4 to the outside. Therefore, the lifting rod 16 can be slid upward by rotating the screw rod 2 15. When the lifting rod 16 is inside the iron box 1, the through groove 16 opened at the upper end of the end reinforcement plate 3 is located at the upper end of the end reinforcement plate 3. When the lifting rod 16 moves upward, the iron box 1 can be moved out of the through groove 2 7 opened at the upper end of the top cover 4. The staff lifts the lifting rod 16 upward to move the iron box 1 out of the paving material.
[0041] Secondly, when the screw rod 2 15 is rotated, the bevel gear 13 and the bevel gear 2 14 are engaged, thereby rotating the screw rod 12, thereby moving the anti-movement rod 9 into the iron box 1, making it easier to move the iron box 1.
[0042] In order to improve the stability of the slide rail 8, limit strips 11 are symmetrically provided on the inner walls on both sides of the iron box 1, and limit grooves 10 are provided on both sides of the slide rail 8. The limit strips 11 are slidably connected to the limit grooves 10.
[0043] In summary, the embedded box structure for compaction inspection in an embodiment of the present invention has the following working principle: first dig a pit in the paving material that has not been compacted and embed an iron box 1 with a diameter of 50 cm and a height of 30 cm, then pry it open after compaction to form a shallow pit on the upper part, reducing the workload of excavation, and then when the iron box 1 is embedded in the paving material, the screw rod 2 15 can be rotated to make the bevel gear 13 and the bevel gear 2 14 engage, thereby rotating the screw rod 12, and while the lifting rod 16 is recovered into the iron box 1, the anti-movement rod 9 is moved out of the iron box 1 and inserted into the paving material.
[0044] The above is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Those skilled in the art will readily appreciate that the present invention is susceptible to various modifications and variations. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.
Claims
1. A pre-buried box structure for compaction inspection, comprising an iron box (1), characterized in that: The diameter of the iron box (1) is fifty centimeters, the height of the iron box (1) is thirty centimeters, and the upper end of the iron box (1) is fixed with a top cover (4) by bolts. An anti-displacement mechanism is installed inside the iron box (1). The iron box (1) is pre-buried in the paving material. The anti-displacement mechanism slides out from the inside of the iron box (1) and is inserted into the paving material to prevent the iron box (1) from being displaced when being rolled.
2. The embedded box structure for compaction inspection according to claim 1, characterized in that: A bottom reinforcement plate (2) is fixedly provided on the bottom of the inner side of the iron box (1), and an end reinforcement plate (3) is provided on the lower side of the top cover (4).
3. The embedded box structure for compaction inspection according to claim 2, characterized in that: A middle plate (5) is fixedly provided on the upper end of the bottom reinforcement plate (2), and the upper end of the middle plate (5) is fitted with the lower side of the end reinforcement plate (3).
4. The embedded box structure for compaction inspection according to claim 1, characterized in that: The anti-displacement mechanism comprises slide rails (8) provided on both sides of the middle plate (5), anti-displacement rods (9) are slidably provided at both ends of the slide rails (8), and the anti-displacement rods (9) are slidably connected to the openings provided on the side walls of the iron box (1).
5. The embedded box structure for compaction inspection according to claim 4, characterized in that: A screw rod (12) is rotatably provided in the slide rail (8), and both ends of the screw rod (12) are respectively threadedly connected to the two anti-movement rods (9).
6. The embedded box structure for compaction inspection according to claim 5, characterized in that: The middle position of the screw rod 1 (12) is connected to a bevel gear 1 (13), and the upper end of the slide rail (8) is rotatably mounted with a bevel gear 2 (14). The bevel gear 1 (13) and the bevel gear 2 (14) are meshed, and the rotating shaft of the bevel gear 2 (14) is coaxially connected to the screw rod 2 (15).
7. The embedded box structure for compaction inspection according to claim 6, characterized in that: The second screw rod (15) is threadedly connected to a lifting rod (16), and the upper end of the second screw rod (15) passes through the top cover (4) and extends to the outside.
8. The embedded box structure for compaction inspection according to claim 2, characterized in that: A through slot one (6) is symmetrically provided on the end reinforcement plate (3), and a through slot two (7) is symmetrically provided on the upper end of the top cover (4).
9. The embedded box structure for compaction inspection according to claim 8, characterized in that: Limiting strips (11) are symmetrically arranged on both inner walls of the iron box (1), and limiting grooves (10) are provided on both sides of the slide rail (8), and the limiting strips (11) are slidably connected to the limiting grooves (10).
10. The embedded box structure for compaction inspection according to claim 9, characterized in that: The lower end of the bottom reinforcement plate (2) and the upper end of the end reinforcement plate (3) are both provided with reinforcement ribs.