CN105114425A - U-shaped bolt connecting mechanism for connecting piles - Google Patents

Abstract

The invention relates to a U-shaped bolt connecting mechanism for connecting piles. The U-shaped bolt connecting mechanism comprises a large nut sleeve, a small nut, an insertion rod and a U-shape bolt. One side of the insertion rod is contained in the small nut and is connected and fixed to the small nut in a threaded mode, the other side part of the insertion rod is contained in the large nut, and an annular groove is formed in the part, contained in the large nut, of the insertion rod. Two sets of through holes are correspondingly formed in the side wall of the large nut to be matched with the annular groove formed in the insertion rod. The U-shaped bolt penetrates through the through hole formed in the large nut and the annular groove formed in the insertion rod to fix the insertion rod to the large nut in a limited mode. By means of the reasonable structural arrangement, connection and fixation of the upper connecting pile and the lower connecting pile are achieved, and the technical problem of shaking between the upper connecting pile and the lower connecting pile fixedly connected with the upper connecting pile is solved.

Description

U-shaped bolt connection mechanism for connecting piles

technical field

The invention belongs to the technical field of construction, and in particular relates to a U-shaped bolt connection mechanism for connecting piles.

Background technique

During the use of pipe piles, pipe piles of different lengths need to be selected according to different usage requirements, which requires pipe piles to be connected to each other to form a longer length of pile body. At present, both ends of the existing pipe piles are provided with steel plates, and the pipe piles are connected by mutual welding. After the connected pile body is pressed into the ground when the pile is pressed, because the soil contains salt, especially chlorine salt, it will corrode the steel plate exposed to the soil, causing the joint between the pipe pile and the pipe pile to break, thus This makes the connection between the pipe piles disconnected. In addition, the way of connecting through the welding of steel plates is relatively complicated and the connection is inconvenient.

Aiming at the above-mentioned technical problems, people have carried out long-term explorations and proposed various solutions. For example, the Chinese patent literature discloses a quick-connect type connecting pile, which includes a strip-shaped pile body. The pile body is concave-convex with different cross-sectional areas. interconnected connectors, the connectors include a plug assembly protruding from one end of the pile body and a socket assembly recessed into one end of the pile body, and the plug assembly and the socket assembly are respectively located at both ends of the pile body, when a pile body When the plug assembly is inserted into the slot assembly of another pile body, the plug assembly and the slot assembly are hermetically connected.

The above-mentioned solution improves the existing technology to a certain extent, but when the solution connects the pipe piles, there is a gap between the two pipe piles, so that during the use of the pipe piles, there will be shaking between the two pipe piles. Then it will affect the connection strength between the two pipe piles, resulting in unqualified products.

Contents of the invention

The object of the present invention is to provide a U-shaped bolt connection mechanism for connecting piles for solving the above technical problems.

Specifically, a U-shaped bolt connection mechanism for connecting piles is used to connect and fix upper and lower piles. The U-shaped bolt connection mechanism includes a large nut, a small nut arranged relative to the large nut, an insertion rod, and It is a U-shaped pin that connects and fixes the insertion rod and the large nut; one side of the insertion rod is accommodated in the small nut and is threadedly connected and fixed with the small nut, and the other side is partially accommodated in the large nut, and the The insertion rod is provided with a ring groove on the part that is accommodated in the large nut; two sets of through holes are correspondingly provided on the side wall of the large nut to match the ring groove provided on the insertion rod; the U-shaped bolt Through the through hole provided on the big nut and the ring groove provided on the insertion rod, the insertion rod is limitedly fixed on the large nut.

As a preferred solution of the present invention, the U-shaped bolt includes two parallel straight rod parts, and a curved rod part for connecting the two straight rod parts, wherein the two straight rod parts are far away from the curved rod parts. One end surface of the rod part is respectively set as an arc surface, and when the U-shaped bolt is inserted into the large nut and the insertion rod, the arc end surface of the straight rod part and the curved rod part of the U-shaped bolt fit in the said U-shaped bolt respectively. The sidewall of the large nut.

As a preferred solution of the present invention, the cross-section of the U-shaped bolt is set to be rectangular, and when the U-shaped bolt is inserted into the large nut and the inserted rod, the U-shaped latch fits in the ring groove opened on the inserted rod .

As a preferred solution of the present invention, the cross-section of the U-shaped pin is set to be circular, and when the U-shaped pin is inserted into the large nut and the inserted rod, the U-shaped pin is attached to the ring provided on the inserted rod. groove.

As a preferred solution of the present invention, the cross-section of the U-shaped bolt is set to a regular polygon, and when the U-shaped bolt is inserted into the large nut and the insertion rod, the U-shaped bolt is attached to the hole provided on the insertion rod. ring groove.

As a preferred solution of the present invention, the cross-section of the U-shaped bolt is set to be an irregular polygon, and when the U-shaped bolt is inserted into the large nut and the plunger, the U-shaped bolt fits on the plunger and opens a ring groove.

As a preferred solution of the present invention, the insert rod is provided with rounded corners on the end surface of one side accommodated in the large nut.

As a preferred solution of the present invention, two planes are symmetrically formed on the outer peripheral surface of the insertion rod.

As a preferred solution of the present invention, the U-shaped bolt is made of iron material.

Due to the application of the above technical solutions, the present invention has the following beneficial effects:

The U-shaped bolt connection mechanism for the connecting pile provided by the present invention is fixed by connecting and fixing the small nut through one end of the insertion rod through a screw thread, and the other end passes through the through hole provided on the large nut and the ring groove provided on the insertion rod. To realize the limit fixation between the insertion rod and the big nut, so that the U-shaped bolt connection mechanism is applied in the connecting pile to fix the connection between the upper and lower piles; and the U-shaped bolt and the big nut The through holes provided and the ring grooves provided on the insertion rod are mutually fitted and arranged, thus solving the problem of assembling and fixing the upper and lower connecting piles with the U-shaped bolt connection mechanism of the connecting pile. There is a technical problem of shaking between the lower piles. And the present invention adopts U-shaped bolt to connect and fix the large nut and the plunger, which is not only easy to operate, but also has good stability.

Description of drawings

Fig. 1 is a cross-sectional view of a U-shaped pin connection mechanism for connecting piles provided by a preferred embodiment of the present invention.

Fig. 2 is a schematic structural diagram of a U-shaped bolt in the present invention.

Detailed ways

In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

In the description of the present invention, it needs to be understood that "big nut" and "small nut", "first rebar" and "second rebar", and "first lock nut" and "second lock nut" It is for the convenience of describing the present invention and simplifying the description, and should not be understood as indicating or implying relative importance or implicitly indicating the quantity of indicated technical features.

Please refer to Fig. 1 and Fig. 2, the U-shaped bolt connection mechanism 100 provided by the preferred embodiment of the present invention is used to connect and fix the upper and lower piles, wherein the U-shaped bolt connection mechanism 100 includes a large nut 10. The small nut 20 , the insertion rod 30 and the U-shaped bolt 40 arranged opposite to the large nut 10 .

It can be seen from the above that the U-shaped bolt connection mechanism 100 of this embodiment is used to connect and fix the upper and lower piles (not shown in the figure), specifically between the two opposite surfaces of the upper pile and the lower pile. The annular array has a plurality of U-shaped bolt connection mechanisms 100 to realize the connection and fixation between the upper and lower piles, so as to meet the use requirements of the connection strength between the upper and lower piles in the actual use process. Wherein, each U-shaped latch connection mechanism 100 can be connected and fixed with the upper pile with the large nut 10, connected and fixed with the lower pile with the small nut 20, and the insertion rod 30 and the U are used between the large nut 10 and the small nut 20 Shaped plug 40 is connected and fixed. It can be understood that the first threaded steel (not shown) can be used to connect and fix between the large nut 10 and the upper connection pile, wherein one end of the first threaded steel is embedded on the upper connection pile and fixedly connected, and the other end It can be limited on the big nut 10 by the first locking nut (not shown in the figure); similarly, the connection between the small nut 20 and the lower pile can also be fixed by the second threaded steel (not shown) and The second lock nut (not shown) to achieve.

It can be understood that the insertion rod 30 is applied in the U-shaped bolt connection mechanism 100 and is used to connect and fix the large nut 10 and the small nut 20 . Specifically, one side of the insertion rod 30 is accommodated in the small nut 20 and is threadedly connected and fixed with the small nut 20 , and the other side is partially accommodated in the large nut 10 , and a U-shaped pin 40 is used to achieve insertion. The connection between the rod 30 and the large nut 10 is fixed.

Wherein, the insertion rod 30 is provided with a ring groove 31 at the part that is accommodated in the large nut 10, and the large nut 10 is correspondingly provided with two sets of through holes 11, and the insertion rod 30 is provided with a ring groove 31 It is matched with the through hole 11 provided on the big nut 10 . In this way, the U-shaped bolt 40 can be plugged into the annular groove 31 provided on the insertion rod 30 and the through hole 11 on the large nut 10, so as to realize the connection and fixation of the U-shaped latch 30 to the insertion rod 30 and the large nut 10. It can be understood that since the plunger 30 is provided with an annular groove 31, it is non-directional in the radial direction of the plunger 30 relative to the through hole 11 on the large nut 10, which facilitates the U-shaped The assembly of the bolt 40 and the limit fixation between the plunger 30 and the big nut 10 are realized by the U-shaped bolt 40, which not only has high connection strength and good stability, but also is easy to operate.

The outer diameter of the part of the plunger 30 of the present embodiment that is accommodated in the large nut 10 is substantially equal to the inner diameter of the large nut 10. In order to facilitate the insertion of the plunger 30 into the large nut 10, the plunger 30 of the present embodiment is placed inside the large nut 10. A rounded corner 32 is provided on one end surface of the large nut 10 .

It can be understood that in this embodiment, when the U-shaped bolt 40 is used for specific assembly, the through hole 11 provided on the large nut 10 , the ring groove 31 provided on the insertion rod 30 , and the U-shaped bolt 40 are selected. There is a one-to-one correspondence between them and they are arranged in abutment with each other, and the U-shaped bolt 40 is used to realize the fixing between the insertion rod 30 and the big nut 10 due to the non-bendable structure of the U-shaped bolt 40 itself. Specifically, the U-shaped pin 40 is made of iron material. In the present embodiment, the ring groove 31 provided on the plunger 30 is vertically arranged with respect to the center line of the plunger 30, so that the U-shaped bolt 40 is inserted into the through hole 11 on the large nut 10 and the ring groove 31 provided on the plunger 30. When the slot 31 is inserted, the U-shaped pin 40 can be inserted horizontally, which not only facilitates the insertion of the U-shaped pin 40, but also the U-shaped pin 40 that runs through the through hole 11 and the ring groove 31 will not be affected by gravity. Drop on the through hole 11 and the ring groove 31, so that the U-shaped latch 40 is limited on the insertion rod 30 due to the mutual abutment of the U-shaped latch 40 on the ring groove 31 and the large nut 10 on the insertion rod 30. Pressure on nut 10.

Specifically, the U-shaped bolt 40 includes two straight rod portions 41 arranged in parallel, and a bent rod portion 42 for connecting the two straight rod portions 41, wherein the two straight rod portions 41 are far away from the One side end surface of the curved rod portion 42 is respectively set as an arc surface, wherein the arc end surface provided on the straight rod portion 41 on the U-shaped bolt 40 is convenient for the passage of the U-shaped bolt 40 from the large nut 10 on the one hand. Hole 11 is inserted, on the other hand can make the U-shaped latch 40 that is inserted in the through hole 11 on this big nut 10 and the upper ring groove 31 of inserting rod 30, the circular arc of the middle straight bar portion 41 of this U-shaped latch 40 Like the bent rod portion 42 , the end faces are respectively fitted on the side walls of the large nut 10 . Wherein, the U-shaped bolt 40 of this embodiment can be set according to the requirements of use, and its cross-section is set as a rectangle, a circle, a regular or irregular polygon. Correspondingly, the cross section of the through hole 11 provided on the large nut 10 and the ring groove 31 provided on the insertion rod 30 matches the cross section of the U-shaped bolt 40 . In this embodiment, the bolt 314 with a rectangular cross section is preferably selected, and when the U-shaped bolt 40 is inserted into the large nut 10 and the insertion rod 30, the U-shaped bolt 40 fits in the ring groove 31 provided on the insertion rod 30 .

As a preferred solution of this embodiment, the insertion rod 30 of this embodiment is provided with two planes 33 symmetrically on the outer peripheral surface above the threaded surface that is threadedly connected with the small nut 20, so that the insertion rod 30 is assembled in a specific manner. During the process, an external tool can act on the plane 33 of the plunger 30 , and then exert force on the plunger 30 , which facilitates the assembly of the plunger 30 into the small nut 20 .

In summary, the U-shaped bolt connection mechanism for the connecting pile provided by the present invention is fixed by connecting and fixing the small nut through one end of the insertion rod through a thread, and the other end is passed through the through hole provided on the large nut and on the insertion rod. The ring groove is opened to realize the limit fixation between the insertion rod and the big nut, so that the U-shaped bolt connection mechanism is applied in the connecting pile to fix the connection between the upper and lower piles; and the U-shaped The through hole provided on the bolt and the big nut and the ring groove provided on the insert rod are fitted together, thus solving the problem of assembling the upper and lower piles with the U-shaped bolt connection mechanism of the connecting pile. When fixing, there is a technical problem of shaking between the upper and lower piles. And the present invention adopts U-shaped bolt to connect and fix the large nut and the plunger, which is not only easy to operate, but also has good stability.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention should be included in the protection of the present invention. within range.

Claims (9)

1. A U-shaped bolt connection mechanism for connecting piles, which is used to connect and fix upper and lower piles, and is characterized in that: the U-shaped bolt connection mechanism includes a large nut, a small nut arranged relative to the large nut, and an insertion rod , and a U-shaped pin for connecting and fixing the insertion rod and the large nut; one side of the insertion rod is accommodated in the small nut and is threadedly connected and fixed with the small nut, and the other side is partially accommodated in the large nut, And the inserting rod is provided with an annular groove at the part that is accommodated in the large nut; two sets of through holes are correspondingly provided on the side wall of the large nut to match the annular groove provided on the inserting rod; The U-shaped bolt runs through the through hole provided on the large nut and the ring groove provided on the insertion rod, so as to limit and fix the insertion rod on the large nut. 2. The U-shaped bolt connection mechanism for connecting piles according to claim 1, characterized in that: the U-shaped bolt includes two straight rod parts arranged in parallel, and a curved rod part for connecting the two straight rod parts , wherein the two straight rod parts are respectively set as arc surfaces on the side away from the curved rod part, and when the U-shaped bolt is inserted into the large nut and the inserted rod, the straight rod in the U-shaped bolt The arc end surface of the rod part and the bent rod part are respectively cut into the side wall of the big nut. 3. The U-shaped bolt connection mechanism for connecting piles according to claim 2, characterized in that: the cross section of the U-shaped bolt is set to a rectangle, and when the U-shaped bolt is inserted into the large nut and the insertion rod, the The U-shaped latch fits in the ring groove provided on the insertion rod. 4. The U-shaped bolt connection mechanism for connecting piles according to claim 2, characterized in that: the cross section of the U-shaped bolt is set as a circle, and when the U-shaped bolt is inserted into the large nut and the insertion rod, The U-shaped latch fits in the ring groove provided on the insertion rod. 5. The U-shaped bolt connection mechanism for connecting piles according to claim 2, characterized in that: the cross-section of the U-shaped bolt is set as a regular polygon, and when the U-shaped bolt is inserted into the large nut and the insertion rod , the U-shaped bolt fits in the ring groove provided on the insertion rod. 6. The U-shaped bolt connection mechanism for connecting piles according to claim 2, characterized in that: the cross-section of the U-shaped bolt is set as an irregular polygon, and when the U-shaped bolt is inserted into the large nut and the insertion rod , the U-shaped bolt fits in the ring groove provided on the insertion rod. 7 . The U-shaped bolt connection mechanism for connecting piles according to claim 1 , characterized in that: the insertion rod has a rounded corner on the end surface of one side accommodated in the big nut. 8 . 8 . The U-shaped bolt connection mechanism for connecting piles according to claim 1 , wherein two planes are symmetrically formed on the outer peripheral surface of the insertion rod. 9. The U-shaped bolt connection mechanism for connecting piles according to claim 1, characterized in that: the U-shaped bolt is made of iron material.