Square punching hammer for diaphragm wall

Abstract

The utility model discloses an underground diaphragm wall square punching hammer which comprises a base, a spring is fixedly arranged in the middle of the top end of the base, two second baffles are fixedly arranged at the two ends of two first baffles, and first reinforcing ribs are fixedly arranged on one sides of the two second baffles at equal intervals. A plurality of second reinforcing ribs are fixedly arranged on the other sides of the two second baffles at equal intervals, and a supporting shaft is arranged in the middle of the top end of the base in a penetrating mode. According to the punching hammer, the supporting shaft at the lower end of the hoisting hinge seat is connected with the base in a penetrating mode, the supporting shaft drives the limiting piece to move downwards to compress the spring, the spring can generate upward elastic force after being compressed, the upward elastic force interacts with the force of the output end of the crane, then impact of the output end of the crane on the punching hammer is reduced, abrasion is reduced, and meanwhile the inner wall of a gully is impacted. The second baffle is installed between the first baffles, the supporting performance is higher due to the fact that the first reinforcing ribs and the second reinforcing ribs are arranged on the two sides of the second baffle respectively, deformation is not prone to occurring in the collision process, and therefore the service life of the device is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of ground-connected wall construction, in particular to a square punching hammer for ground-connected walls. Background Art

[0002] The ground-anchored wall, also known as the underground continuous wall, is a foundation project that uses a trenching machine on the ground to dig a long and narrow deep trench along the peripheral axis of the deep excavation project under the condition of mud wall protection. After the trench is cleared, a steel cage is suspended in the trench, and then underwater concrete is poured using the conduit method to form a unit trench section. This process is carried out section by section to build a continuous reinforced concrete wall underground as a water-cutting, anti-seepage, load-bearing, and water-retaining structure. When the trench of the ground-anchored wall is excavated, this type of square punching hammer is needed to impact the ground to hammer out the grooves, and then the inner wall and bottom can be repaired and concrete poured.

[0003] In view of this, Chinese Patent No. CN210163962U proposes a square impact hammer head for underground continuous wall trenching. The utility model is simple to manufacture, not easy to get stuck, has high structural strength, is impact-resistant and wear-resistant, and solves the problem of underground continuous wall construction with an impact drill at a relatively low cost, thereby reducing construction costs. However, during the use of the above-mentioned technical solution and the existing square punching hammer, the driving device and the lifting structure at the upper end thereof are connected to the impact hammer head, which also generates a large impact force thereon, and the connection area is made of metal material. If it does not have a buffering and protective function, it will cause a large impact and wear to the area, and in severe cases, it may directly break. Therefore, a square punching hammer structure with a buffering and protective function is required. Utility Model Content

[0004] In order to solve the above problems, the purpose of the utility model is to provide a ground-connected wall square punching hammer to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model proposes a ground-connected wall square punching hammer, comprising a base, wherein a buffer protection mechanism is arranged at the upper end of the base;

[0006] The buffer protection mechanism includes a first baffle fixed on both sides of the top of the base, a pad is fixedly provided on the top of the two first baffles, a spring is fixedly provided in the middle position of the top of the base, two second baffles are fixedly provided at both ends of the two first baffles, and the two sides of the two second baffles are respectively fixedly connected to the two ends of one side of the two first baffles, one side of the two second baffles is equidistantly fixed with first reinforcing ribs, and one end of each first reinforcing rib is respectively fixedly connected to the two sides of the base, a plurality of second reinforcing ribs are fixedly provided on the other side of the two second baffles at an equal distance, and one end of each second reinforcing rib is respectively fixedly connected to the other two sides of the base, and a support shaft is interspersed in the middle position of the top of the base.

[0007] In one example, the outer wall of one end of the support shaft passes through the inner wall of the spring and is interlaced with one side of the pad, and a hoisting capstan is fixedly provided at the top end of the support shaft.

[0008] In one example, a limiting plate is sleeved on the outer wall of one end of the support shaft, and one side of the limiting plate is fixedly connected to one end of the spring, and the other side of the limiting plate is in contact with the bottom of the pad.

[0009] In one example, a U-shaped anti-collision frame is fixedly provided on one side of the outer wall of the base, a protective frame is fixedly provided on the other side of the base, and a plurality of scrapers are fixedly provided at equal distances on the lower edge of one side of the protective frame.

[0010] In one example, a plurality of partition plates are fixedly provided at equal distances on both sides of the base.

[0011] In one example, a scraper is fixedly provided at the middle position of one side of each partition plate, and a plurality of metal hammer teeth are fixedly provided at equal distances at the bottom of the base.

[0012] The square punching hammer for ground-connected wall proposed by the utility model can bring the following beneficial effects:

[0013] The square punching hammer for ground-connected walls has a base that is driven to hit the ground, and at the same time, a large reaction force is generated on the connecting structure of the crane. The support shaft at the lower end of the lifting capstan is interlaced and connected with the base, so that when the base hammers the ground, the support shaft moves downward with the limit plate to compress the spring, and the spring will generate an upward elastic force after being compressed, which interacts with the force at the output end of the crane, thereby reducing the impact of the output end of the crane on the punching hammer and reducing wear. At the same time, when impacting the inner wall of the gully, the second baffle installed between the first baffles has a first reinforcing rib and a second reinforcing rib on both sides thereof, so that it has stronger support and is not easy to deform during impact, thereby increasing the service life of the device.

[0014] The square punching hammer for ground-connected walls has a partition plate in contact with the inner wall of the depression during the continuous impact of the hammer head, which causes the inner wall of the depression to rub against the overall structure of the pit, thereby reducing the resistance of the hammer head when hammering, and can quickly hammer out the depression groove of the ground-connected wall with the metal hammer teeth, and a scraper is provided on one side of the partition plate to scrape the inner wall of the depression of the groove, so that it can rise and fall more smoothly on the inner wall of the depression, thereby improving the working efficiency of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

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

[0017] Figure 2 This is a schematic diagram of the internal structure of the square punching hammer of the utility model;

[0018] Figure 3 This is a schematic diagram of the overall structure of the hoisting capstan seat and the supporting shaft of the utility model;

[0019] Figure 4 It is a structural schematic diagram of the bottom of the base of the utility model.

[0020] In the figure: 1. base; 2. first baffle; 3. pad; 4. spring; 5. second baffle; 6. first reinforcing rib; 7. second reinforcing rib; 8. support shaft; 9. lifting capstan seat; 10. limit plate; 11. U-shaped anti-collision frame; 12. protective frame; 13. scraper; 14. partition plate; 15. scraper; 16. metal hammer teeth. DETAILED DESCRIPTION

[0021] In order to more clearly illustrate the overall concept of the present invention, a detailed description is given below in the form of examples in conjunction with the accompanying drawings.

[0022] The examples are as follows:

[0023] The utility model provides Figure 1-4 The square punching hammer for ground-connected wall shown in the figure comprises a base 1, and a buffer protection mechanism is arranged on the upper end of the base 1;

[0024] The buffer protection mechanism includes a first baffle 2 fixed on both sides of the top of the base 1, a pad 3 is fixed on the top of the two first baffles 2, a spring 4 is fixed at the middle position of the top of the base 1, two second baffles 5 are fixed at both ends of the two first baffles 2, and the two sides of the two second baffles 5 are respectively fixedly connected to the two ends of one side of the two first baffles 2, one side of the two second baffles 5 is equidistantly fixed with a first reinforcing rib 6, and one end of each first reinforcing rib 6 is respectively fixedly connected to the two sides of the base 1, a plurality of second reinforcing ribs 7 are evenly fixed on the other side of the two second baffles 5, and one end of each second reinforcing rib 7 is respectively fixedly connected to the other two sides of the base 1, and a support shaft 8 is interspersed in the middle position of the top of the base 1.

[0025] The outer wall of one end of the support shaft 8 passes through the inner wall of the spring 4 and is connected with one side of the pad 3. A hoisting capstan seat 9 is fixed on the top of the support shaft 8. The length of the support shaft 8 is sufficient. When the jack drives the punching hammer to impact, the connection area thereof will not contact the top of the pad 3 under the resistance of the spring 4 to prevent it from being damaged. At the same time, a protruding area is provided at the lower end of the support shaft 8 to prevent it from detaching from the inner wall of the base 1.

[0026] Furthermore, a limiting plate 10 is sleeved on the outer wall of one end of the support shaft 8 , and one side of the limiting plate 10 is fixedly connected to one end of the spring 4 , and the other side of the limiting plate 10 is in contact with the bottom of the pad 3 .

[0027] A U-shaped anti-collision frame 11 is fixedly provided on one side of the outer wall of the base 1, and a protective frame 12 is fixedly provided on the other side of the base 1. A plurality of shovel blades 13 are fixedly provided at equal distances on the lower edge of one side of the protective frame 12. When the side wall of the gully connected to the ground wall is hit, the U-shaped anti-collision frame 11 and the protective frame 12 on both sides are supported by the first reinforcing rib 6 and the second reinforcing rib 7 to protect and prevent collision, so that the main body of the hammer head will not be damaged. At the same time, the shovel blade 13 at the bottom of the protective frame 12 can shovel away the soil on the inner wall of the gully, which is convenient for turning the soil;

[0028] Furthermore, a plurality of partition plates 14 are fixedly provided at equal distances on both sides of the base 1 .

[0029] A scraper 15 is fixedly provided in the middle position on one side of each partition plate 14, and a plurality of metal hammer teeth 16 are fixedly provided at equal distances at the bottom of the base 1. When the base 1 impacts the ground depression, the scraper 15 cooperates with the partition plate 14 to reduce the contact area so that the square punching hammer can impact more smoothly, thereby improving construction efficiency.

[0030] Working principle: When using the square punching hammer for ground-connected wall in this design, it is first necessary to connect the hoisting capstan 9 at the upper end of the device with the driving structure of equipment such as a crane, so that the punching hammer can be used normally. When the punching hammer is used to impact the gully of the ground-connected wall, the base 1 is driven to hit the ground, and a large reaction force is generated on the connecting structure of the crane. The support shaft 8 at the lower end of the hoisting capstan 9 is interlaced and connected with the base 1, so that when the base 1 hammers the ground, the support shaft 8 moves downward with the limit plate 10 to compress the spring 4, and the spring 4 will generate an upward elastic force after being compressed, which interacts with the force at the output end of the crane, thereby reducing the impact of the output end of the crane on the punching hammer, reducing wear, and at the same time, when impacting the groove. When the inner wall of the gully is formed, the second baffle plate 5 installed between the first baffle plate 2 has a first reinforcing rib 6 and a second reinforcing rib 7 on both sides thereof, so that it has stronger support and is not easy to deform when impacted, thereby improving the service life of the device. When the base 1 hits the ground, the ground is sunken. At the same time, during the continuous impact of the hammer head, the partition plate 14 contacts the inner wall of the depression, and the friction of the inner wall of the depressed ground to the overall pituitary is reduced, thereby reducing the resistance of the hammer head when hammering, and the metal hammer teeth 16 can be used to quickly hammer out the depressed gully of the ground-connected wall, and a scraper 15 is provided on one side of the partition plate 14, which can scrape the inner wall of the gully depression, so that it can rise and fall more smoothly on the depressed inner wall, thereby improving the working efficiency of the device.

[0031] Each embodiment in this specification is described in a progressive manner, and the same or similar parts between the embodiments can be referred to each other, and each embodiment focuses on the differences from other embodiments. In particular, for the system embodiment, since it is basically similar to the method embodiment, the description is relatively simple, and the relevant parts can be referred to the partial description of the method embodiment.

[0032] The above description is only an embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent substitution, improvement, etc. made within the spirit and principle of the present invention shall be included in the scope of the claims of the present invention.

Claims

1. A ground-connected wall square punching hammer, comprising a base (1), characterized in that: A buffer protection mechanism is provided at the upper end of the base (1); The buffer protection mechanism comprises first baffles (2) fixed on both sides of the top of the base (1), pads (3) are fixed on the tops of the two first baffles (2), a spring (4) is fixed at the middle position of the top of the base (1), two second baffles (5) are fixed at both ends of the two first baffles (2), and the two sides of the two second baffles (5) are respectively fixedly connected to the two ends of one side of the two first baffles (2), first reinforcing ribs (6) are fixedly provided on one side of the two second baffles (5) at equal distances, and one end of each first reinforcing rib (6) is respectively fixedly connected to the two sides of the base (1), a plurality of second reinforcing ribs (7) are fixedly provided on the other side of the two second baffles (5) at equal distances, and one end of each second reinforcing rib (7) is respectively fixedly connected to the other two sides of the base (1), and a support shaft (8) is inserted in the middle position of the top of the base (1).

2. A ground-anchored wall square punching hammer according to claim 1, characterized in that: The outer wall of one end of the support shaft (8) passes through the inner wall of the spring (4) and is interlaced with one side of the pad (3), and a hoisting capstan seat (9) is fixedly provided at the top end of the support shaft (8).

3. A ground-anchored wall square punching hammer according to claim 2, characterized in that: A limiting plate (10) is sleeved on the outer wall of one end of the support shaft (8), one side of the limiting plate (10) is fixedly connected to one end of the spring (4), and the other side of the limiting plate (10) is in contact with the bottom of the pad (3).

4. A ground-anchored wall square punching hammer according to claim 1, characterized in that: A U-shaped anti-collision frame (11) is fixedly provided on one side of the outer wall of the base (1), a protective frame (12) is fixedly provided on the other side of the base (1), and a plurality of scrapers (13) are fixedly provided at equal distances on the lower edge of one side of the protective frame (12).

5. The square punching hammer for ground-anchored wall according to claim 1, characterized in that: A plurality of partition plates (14) are fixedly provided at equal distances on both sides of the base (1).

6. A ground-anchored wall square punching hammer according to claim 5, characterized in that: A scraper (15) is fixedly provided at the middle position of one side of each partition plate (14), and a plurality of metal hammer teeth (16) are fixedly provided at equal distances at the bottom of the base (1).

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