A ground compactness detection device for construction engineering

Abstract

The utility model belongs to the field of building construction detection technology, concretely is a kind of ground compactness detection device for constructional engineering, including support frame, the bottom of support frame is equipped with measuring hole, the inner wall slidingly connected of support frame has sliding rod, the bottom fixed mounting of sliding rod has impact ball, the inboard fixed mounting of support frame has first spring, the fixed connection of first spring one end and the top of impact ball, the inner wall of support frame is provided with limit mechanism, the limit mechanism includes sliding slot, the inner wall of support frame is equipped with sliding slot, the inner chamber slidingly connected of sliding slot has limit rod, the top fixed mounting of limit rod has first triangular block;By setting limit mechanism, the position of sliding rod of different height is fixed by limit rod and limit slot, can detect different force, increase the flexibility of detection, can reduce the error of hand pull release simultaneously, increase the accuracy of measurement.

Description

Technical Field

[0001] This utility model relates to the field of building construction testing technology, specifically a ground compaction testing device for building engineering. Background Technology

[0002] Ground compaction testing in construction engineering is the process of assessing the compaction quality of soil or paving materials at engineering sites such as roads, foundations, and fills. Its core is to determine whether the compaction meets the design requirements by measuring parameters such as the density, porosity, or rebound deformation of the materials. This ensures that the ground bearing capacity, stability, and anti-settlement performance meet engineering specifications and avoids quality problems such as pavement cracking and foundation settlement caused by insufficient compaction. It is a key link in the quality control of construction engineering to ensure structural safety and durability.

[0003] Ground compaction testing in construction projects involves physical impact. An impact ball driven by a powerful spring creates a pit of a certain depth in the ground. The compaction level is determined by measuring the depth of the pit. This is usually done by manually pulling a sliding rod, which compresses the spring. However, since manual pulling requires control of the release action through arm muscles, individual differences in muscle reaction speed cause fluctuations in the falling time of the impact ball, affecting the test results. Utility Model Content

[0004] To address the shortcomings of existing technologies, which require manual pulling to control the release action through arm muscles, but individual differences in muscle reaction speed lead to fluctuations in the falling time of the impact ball, thus affecting the test results, this invention proposes a ground compaction testing device for building engineering.

[0005] The technical solution adopted by this utility model to solve its technical problem is: a ground compaction degree testing device for building engineering, including a support frame, a measuring hole is opened at the bottom of the support frame, a sliding rod is slidably connected to the inner wall of the support frame, an impact ball is fixedly installed at the bottom of the sliding rod, a first spring is fixedly installed on the inner side of the support frame, one end of the first spring is fixedly connected to the top of the impact ball, and a limit mechanism is provided on the inner wall of the support frame;

[0006] The limiting mechanism includes a sliding groove formed on the inner wall of the support frame. A limiting rod is slidably connected to the inner cavity of the sliding groove. A first triangular block is fixedly installed on the top of the limiting rod. A connecting frame is fixedly installed on the top of the support frame. A pressing rod is slidably connected to the inner wall of the connecting frame. A second triangular block is fixedly installed on the bottom of the pressing rod. The inclined surfaces of the first and second triangular blocks cooperate with each other. A second spring is fixedly installed on the inner wall of the sliding groove. One end of the second spring is fixedly connected to the surface of the limiting rod. A limiting groove is formed on the surface of the sliding rod. There are several limiting grooves, and the inner cavities of the limiting grooves cooperate with each other.

[0007] Preferably, the inner wall of the sliding groove is provided with a guide groove, and a guide block is fixedly installed at the bottom of the limiting rod. The inner cavity of the guide groove is slidably connected to the surface of the guide block.

[0008] Preferably, a fixing ring is fixedly installed on the surface of the extrusion rod, and a third spring is fixedly installed on the top of the fixing ring, with one end of the third spring fixedly connected to the inner side of the connecting frame.

[0009] Preferably, a ruler plate is fixedly installed on the top of the support frame, and a pointer is fixedly installed on the surface of the sliding rod. The ruler plate and the pointer are used in conjunction.

[0010] Preferably, extension plates are fixedly installed on both sides of the support frame, and the inner wall of the extension plates is threaded with a plug rod.

[0011] Preferably, a cone is fixedly installed at the bottom of the insertion rod, and the cone is made of stainless steel.

[0012] Preferably, the inner wall of the connecting frame is provided with a slot, and a card plate is fixedly installed on the surface of the extrusion rod, with the surface of the card plate slidably connected to the inner cavity of the slot.

[0013] The advantages of this utility model are:

[0014] This utility model, by setting a limiting mechanism, fixes the sliding rod at different heights through the limiting rod and the limiting groove, enabling detection of different forces, increasing the flexibility of detection, reducing errors caused by manual release, and increasing the accuracy of measurement. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0017] Figure 2 This is a cross-sectional view of the support plate of this utility model;

[0018] Figure 3 For the present utility model Figure 2 Enlarged view of point A in the middle;

[0019] Figure 4 This is an exploded view of the connecting frame and the extrusion rod of this utility model;

[0020] Figure 5 This is a schematic diagram of the sliding rod and impact ball of this utility model;

[0021] Figure 6 This is a schematic diagram of the extension plate, insert rod, and cone of this utility model.

[0022] In the diagram: 1. Support frame; 2. Measuring hole; 3. Sliding rod; 4. Impact ball; 5. First spring; 6. Limiting mechanism; 601. Sliding groove; 602. Limiting rod; 603. First triangular block; 604. Connecting frame; 605. Pressing rod; 606. Second triangular block; 607. Second spring; 608. Limiting groove; 7. Guide groove; 8. Guide block; 9. Fixing ring; 10. Third spring; 11. Ruler plate; 12. Pointer; 13. Extension plate; 14. Insert rod; 15. Cone; 16. Slot; 17. Card plate. Detailed Implementation

[0023] 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 of ordinary skill in the art without creative effort are within the scope of protection of the present utility model.

[0024] The following is in conjunction with the appendix Figure 1-6 This application will be described in further detail.

[0025] This application discloses a ground compaction testing device for building engineering. (Refer to...) Figures 1 to 5 A ground compaction testing device for building construction includes a support frame 1, a measuring hole 2 at the bottom of the support frame 1, a sliding rod 3 slidably connected to the inner wall of the support frame 1, an impact ball 4 fixedly installed at the bottom of the sliding rod 3, a first spring 5 fixedly installed on the inner side of the support frame 1, one end of the first spring 5 being fixedly connected to the top of the impact ball 4, and a limit mechanism 6 provided on the inner wall of the support frame 1.

[0026] The limiting mechanism 6 includes a sliding groove 601, which is formed on the inner wall of the support frame 1. A limiting rod 602 is slidably connected to the inner cavity of the sliding groove 601. A first triangular block 603 is fixedly installed on the top of the limiting rod 602. A connecting frame 604 is fixedly installed on the top of the support frame 1. A pressing rod 605 is slidably connected to the inner wall of the connecting frame 604. A second triangular block 606 is fixedly installed on the bottom of the pressing rod 605. The inclined surfaces of the first triangular block 603 and the second triangular block 606 cooperate with each other. The inner wall of the sliding groove 601 is fixedly connected to the limiting rod 602. A second spring 607 is fixedly installed, one end of which is fixedly connected to the surface of the limiting rod 602. A limiting groove 608 is formed on the surface of the sliding rod 3. There are several limiting grooves 608. The inner cavity of the limiting groove 608 cooperates with the inner cavity of the limiting rod 602. By setting the limiting mechanism 6, the sliding rod 3 is fixed at different heights by the limiting rod 602 and the limiting groove 608. Different forces can be detected, increasing the flexibility of detection. At the same time, it can reduce the error of manual release and increase the accuracy of measurement.

[0027] Reference Figure 3 The inner wall of the sliding groove 601 is provided with a guide groove 7, and a guide block 8 is fixedly installed at the bottom of the limiting rod 602. The inner cavity of the guide groove 7 is slidably connected to the surface of the guide block 8. Through the slidable connection between the guide groove 7 and the guide block 8, the movement of the limiting rod 602 can be guided, so that the limiting rod 602 can move laterally.

[0028] Reference Figure 4 A fixing ring 9 is fixedly installed on the surface of the extrusion rod 605. A third spring 10 is fixedly installed on the top of the fixing ring 9. One end of the third spring 10 is fixedly connected to the inner side of the connecting frame 604. By setting the fixing ring 9, the third spring 10 can be extended. When the extrusion rod 605 moves down, it can drive the fixing ring 9 to move down and drive the third spring 10 to extend. When the extrusion extension rod is removed, the extrusion rod 605 is reset under the reaction force of the third spring 10, thereby resetting the second triangular block 606.

[0029] Reference Figure 1 A ruler plate 11 is fixedly installed on the top of the support frame 1, and a pointer 12 is fixedly installed on the surface of the sliding rod 3. The ruler plate 11 and the pointer 12 are used together. By setting the ruler plate 11 and the pointer 12, the height of the sliding rod 3 can be determined, which makes it convenient for users to move the sliding rod 3 to the same height as the previous measurement point when performing multi-point testing, thereby increasing the accuracy of multiple measurements.

[0030] Reference Figure 1 and Figure 6Extension plates 13 are fixedly installed on both sides of the support frame 1. Insert rods 14 are threadedly connected to the inner wall of the extension plates 13. By setting the extension plates 13, the insert rods 14 can be supported. The insert rods 14 can be inserted into the ground, increasing the stability of the support plate.

[0031] Reference Figure 6 A cone 15 is fixedly installed at the bottom of the insertion rod 14. The cone 15 is made of stainless steel. By setting the cone 15, the contact area between the insertion rod 14 and the ground can be reduced, allowing the insertion rod 14 to enter the ground better.

[0032] Reference Figure 4 The inner wall of the connecting frame 604 is provided with a slot 16, and a clamping plate 17 is fixedly installed on the surface of the extrusion rod 605. The surface of the clamping plate 17 is slidably connected to the inner cavity of the slot 16. Through the slidable connection between the slot 16 and the clamping plate 17, the movement of the extrusion rod 605 can be guided, so that the extrusion rod 605 can move up and down while remaining vertical.

[0033] Working principle: Place the support frame 1 in a suitable position and align the measuring hole 2 with the detection point. After alignment, first press the compression rod 605, causing the second triangular block 606 to compress the first triangular block 603, thereby causing the limiting rod 602 to slide within the sliding groove 601, thus compressing the second spring 607. This allows the limiting rod 602 to separate from the limiting groove 608. The user pulls the sliding rod 3, causing the impact ball 4 to move upward and compress the first spring 5. When the sliding rod 3 slides to a suitable position, release the compression of the compression rod 605. Under the reaction force of the second spring 607, the impact ball 602 is released. The limiting rod 602 re-enters the inner cavity of the limiting groove 608 to limit the sliding rod 3. Pressing the squeezing rod 605 again allows the limiting rod 602 to quickly separate from the limiting groove 608. Utilizing the reaction force of the first spring 5, the impact ball 4 impacts the detection point, creating a pit of a certain depth. By measuring the depth of the pit, the ground compaction degree can be detected. By fixing the sliding rod 3 at different heights using the limiting rod 602 and the limiting groove 608, detection with different forces can be performed, increasing the flexibility of the detection and reducing errors from manual release, thus increasing the accuracy of the measurement.

[0034] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model.

Claims

1. A ground compaction testing device for building construction, characterized in that: The support frame (1) includes a measuring hole (2) at the bottom of the support frame (1), a sliding rod (3) is slidably connected to the inner wall of the support frame (1), an impact ball (4) is fixedly installed at the bottom of the sliding rod (3), a first spring (5) is fixedly installed on the inner side of the support frame (1), one end of the first spring (5) is fixedly connected to the top of the impact ball (4), and a limit mechanism (6) is provided on the inner wall of the support frame (1). The limiting mechanism (6) includes a sliding groove (601), which is formed on the inner wall of the support frame (1). A limiting rod (602) is slidably connected to the inner cavity of the sliding groove (601). A first triangular block (603) is fixedly installed on the top of the limiting rod (602). A connecting frame (604) is fixedly installed on the top of the support frame (1). A pressing rod (605) is slidably connected to the inner wall of the connecting frame (604). A second triangular block (603) is fixedly installed at the bottom of the pressing rod (605). Two triangular blocks (606), the inclined surfaces of the first triangular block (603) and the second triangular block (606) are used in conjunction, a second spring (607) is fixedly installed on the inner wall of the sliding groove (601), one end of the second spring (607) is fixedly connected to the surface of the limiting rod (602), a limiting groove (608) is opened on the surface of the sliding rod (3), the number of the limiting grooves (608) is several, and the inner cavity of the limiting groove (608) is used in conjunction with the inner cavity of the limiting groove (608).

2. The ground compaction testing device for building engineering according to claim 1, characterized in that: The inner wall of the sliding groove (601) is provided with a guide groove (7), and a guide block (8) is fixedly installed at the bottom of the limiting rod (602). The inner cavity of the guide groove (7) is slidably connected to the surface of the guide block (8).

3. The ground compaction testing device for building engineering according to claim 1, characterized in that: A fixing ring (9) is fixedly installed on the surface of the extrusion rod (605), and a third spring (10) is fixedly installed on the top of the fixing ring (9). One end of the third spring (10) is fixedly connected to the inner side of the connecting frame (604).

4. The ground compaction testing device for building engineering according to claim 1, characterized in that: A ruler plate (11) is fixedly installed on the top of the support frame (1), and a pointer (12) is fixedly installed on the surface of the sliding rod (3). The ruler plate (11) and the pointer (12) are used together.

5. The ground compaction testing device for building engineering according to claim 1, characterized in that: Extension plates (13) are fixedly installed on both sides of the support frame (1), and the inner wall of the extension plate (13) is threadedly connected to the insert rod (14).

6. A ground compaction testing device for building engineering according to claim 5, characterized in that: A cone (15) is fixedly installed at the bottom of the insertion rod (14), and the cone (15) is made of stainless steel.

7. A ground compaction testing device for building engineering according to claim 1, characterized in that: The inner wall of the connecting frame (604) is provided with a slot (16), and a card plate (17) is fixedly installed on the surface of the extrusion rod (605). The surface of the card plate (17) is slidably connected to the inner cavity of the slot (16).

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