Connecting structure of concrete precast piles

Abstract

The utility model provides a connecting structure of concrete precast piles. The connecting structure of the concrete precast piles comprises a first precast column and a second precast column, second mounting plates are fixedly mounted at the tops of the first precast column and the second precast column, a plurality of groups of mounting holes are uniformly formed in the tops of the second mounting plates, and first mounting plates are fixedly mounted at the bottoms of the first precast column and the second precast column. According to the connecting structure of the concrete precast pile, the locking assembly is unlocked, the outer cylinder moves downwards through the second sliding block, the inner cylinder is pushed to move upwards along the second sliding groove, and after the outer cylinder makes contact with the inner cylinder, the outer cylinder and the inner cylinder are rotated reversely to be connected with each other; and through sealed connection of the outer cylinder and the inner cylinder, a threaded rod and a nut installed between the first installation plate and the second installation plate in the inner cylinder cannot be corroded by the external environment, and it is guaranteed that the connection stability of the second prefabricated column and the first prefabricated column is long.

Description

Technical Field

[0001] The utility model relates to the technical field of precast pile connection, in particular to a connection structure of a concrete precast pile. Background Art

[0002] Precast pipe piles are reinforced concrete structures with a circular cross-section. They are widely used in the foundation engineering of modern buildings due to their low cost, light weight, and easy lifting and transportation. Especially for buildings built on unstable or soft soil layers, precast pipe piles provide good support for the superstructure by transferring the load of the superstructure to the stable rock layer underground.

[0003] It has been observed that when existing prefabricated columns are installed on site, the joints of the prefabricated columns are exposed to the outside without any protective equipment. After a period of time, this will cause corrosion at the joints of the prefabricated columns. Over time, the joints of the prefabricated columns will break, affecting the use of the project.

[0004] Therefore, it is necessary to provide a connection structure of precast concrete piles to solve the above technical problems. Utility Model Content

[0005] The utility model provides a connection structure of a precast concrete pile, which solves the problem that the connection of the precast column is exposed to the outside and no protective equipment is provided.

[0006] In order to solve the above technical problems, the connection structure of concrete precast piles provided by the utility model comprises: a precast column 1 and a precast column 2, the tops of the precast column 1 and the precast column 2 are fixedly installed with a mounting plate 2, the tops of the mounting plate 2 are evenly provided with a plurality of mounting holes, the bottoms of the precast column 1 and the precast column 2 are fixedly installed with a mounting plate 1, the tops of the mounting plate 1 are fixedly installed with a plurality of threaded rods, nuts are threadedly connected to the threaded rods, the outer walls of the precast column 1 and the precast column 2 are provided with a plurality of slide grooves 2, the inner walls of the plurality of slide grooves 2 are slidably connected with sliders 2, the outer wall of the precast column 1 is in contact with an inner cylinder, the outer wall of the inner cylinder is provided with an external thread, the outer wall of the precast column 2 is in contact with an outer cylinder, the inner wall of the outer cylinder is provided with an internal thread, the inner wall of the outer cylinder and the inner wall of the inner cylinder are both rotatably connected with the outer wall of the slider 2, the outer wall of the precast column 2 is connected with a locking assembly, and the locking assembly is connected with the outer cylinder.

[0007] Preferably, the locking assembly includes a rectangular frame, a rectangular rod, a slider 1, a slide groove 1, a telescopic rod and a spring, the rectangular rod is fixedly connected to the outer wall of the prefabricated column 2, and the slide groove 1 is fixedly installed on the top of the outer tube.

[0008] Preferably, the slider 1 is slidably connected to the slide groove 1, the rectangular frame is fixedly installed on the top of the slider 1, and the rectangular frame is plug-connected to the rectangular rod.

[0009] Preferably, the spring is installed between the slider 1 and the slide slot 1, and the telescopic rod is also installed between the slider 1 and the slide slot 1.

[0010] Preferably, a limiting block is fixedly installed on the top of the second mounting plate, and a limiting groove is provided on the bottom of the first mounting plate.

[0011] Preferably, a plurality of groups of anti-slip strips are evenly installed on the outer wall of the outer cylinder, and a baffle is installed on the bottom of the inner cylinder.

[0012] Compared with the related art, the connection structure of the precast concrete pile provided by the utility model has the following advantages:

[0013] Beneficial effects:

[0014] The utility model provides a connection structure of concrete precast piles. Through the interaction of components such as mounting holes and threaded rods, the second precast column and the first precast column can be quickly fixedly connected. By unlocking the locking component, the outer cylinder is moved downward through the second slide block, and the inner cylinder is pushed to move upward along the second slide groove. When the outer cylinder contacts the inner cylinder, the outer cylinder and the inner cylinder are respectively rotated in opposite directions to connect them to each other. The sealed connection between the outer cylinder and the inner cylinder prevents the threaded rod and the nut installed between the internal mounting plate one and the mounting plate two from being corroded by the external environment, thereby ensuring the long-term stability of the connection between the second precast column and the first precast column. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A structural schematic diagram of a preferred embodiment of the connection structure of the precast concrete piles provided by the utility model;

[0016] Figure 2 for Figure 1 A schematic diagram of the structure of the inner structure of the outer cylinder shown;

[0017] Figure 3 for Figure 1 A schematic diagram of the structure of the internal structure of the limit groove shown;

[0018] Figure 4 for Figure 2 An enlarged schematic diagram of part A is shown;

[0019] Figure 5 for Figure 2 An enlarged schematic diagram of part B is shown.

[0020] Numbers in the figure: 1. prefabricated column one, 2. prefabricated column two, 3. mounting plate one, 4. mounting plate two, 5. outer cylinder, 6. anti-slip strip, 7. limit block, 8. threaded rod, 9. locking assembly, 91. rectangular frame, 92. rectangular rod, 93. slider one, 94. slide groove one, 95. telescopic rod, 96. spring, 10. slide groove two, 11. inner cylinder, 12. external thread, 13. baffle, 14. nut, 15. slider two, 16. internal thread, 17. limit groove, 18. mounting hole. DETAILED DESCRIPTION

[0021] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.

[0022] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 ,in, Figure 1 A structural schematic diagram of a preferred embodiment of the connection structure of the precast concrete piles provided by the utility model; Figure 2 for Figure 1 A schematic diagram of the structure of the inner structure of the outer cylinder shown; Figure 3 for Figure 1 A schematic diagram of the structure of the internal structure of the limit groove shown; Figure 4 for Figure 2 An enlarged schematic diagram of part A is shown; Figure 5 for Figure 2 The connection structure of the precast concrete pile includes: a precast column 1 and a precast column 2, the tops of the precast column 1 and the precast column 2 are fixedly mounted with a mounting plate 2 4, the tops of the mounting plate 2 4 are evenly provided with a plurality of mounting holes 18, the bottoms of the precast column 1 and the precast column 2 are fixedly mounted with a mounting plate 3, the tops of the mounting plate 3 are fixedly mounted with a plurality of threaded rods 8, the threaded rods 8 are threadedly connected with nuts 14, the outer walls of the precast column 1 and the precast column 2 are provided with a plurality of mounting holes 18, A group of slide grooves 10, the inner walls of several groups of the slide grooves 10 are all slidably connected with sliders 15, the outer wall of the prefabricated column 1 is in contact with the inner cylinder 11, the outer wall of the inner cylinder 11 is provided with an external thread 12, the outer wall of the prefabricated column 2 is in contact with the outer cylinder 5, the inner wall of the outer cylinder 5 is provided with an internal thread 16, the inner wall of the outer cylinder 5 and the inner wall of the inner cylinder 11 are both rotatably connected with the outer wall of the slider 15, the outer wall of the prefabricated column 2 is connected with a locking assembly 9, and the locking assembly 9 is connected to the outer cylinder 5.

[0023] The locking assembly 9 includes a rectangular frame 91, a rectangular rod 92, a slider 93, a slide groove 94, a telescopic rod 95 and a spring 96. The rectangular rod 92 is fixedly connected to the outer wall of the prefabricated column 2, and the slide groove 94 is fixedly installed on the top of the outer tube 5.

[0024] The slider 1 93 is slidably connected to the slide groove 1 94 , the rectangular frame 91 is fixedly installed on the top of the slider 1 93 , the rectangular frame 91 is plug-connected to the rectangular rod 92 , and both the rectangular frame 91 and the rectangular rod 92 are made of stainless steel.

[0025] The spring 96 is installed between the slider 1 93 and the slide groove 1 94 , and the telescopic rod 95 is also installed between the slider 1 93 and the slide groove 1 94 , and the spring 96 is sleeved on the outside of the telescopic rod 95 .

[0026] When the outer cylinder 5 needs to be used, the rectangular frame 91 is pulled outward. When the rectangular frame 91 leaves the rectangular rod 92, the outer cylinder 5 is rotated to unlock it. When the outer cylinder 5 needs to be locked, the rectangular frame 91 is pulled outward and the outer cylinder 5 is rotated to align the rectangular frame 91 with the rectangular rod 92. After the rectangular frame 91 is released, the slider 93 at the bottom of the rectangular frame 91 is squeezed by the spring 96 to push the rectangular frame 91 to cover the rectangular rod 92 to complete the locking.

[0027] A limiting block 7 is fixedly installed on the top of the mounting plate 2 4, and a limiting groove 17 is provided at the bottom of the mounting plate 1 3 , a part of which extends into the interior of the prefabricated column 1 1 . The setting of the limiting groove 17 and the limiting block 7 can increase the stability of the connection between the prefabricated column 1 1 and the prefabricated column 2 2 .

[0028] The outer wall of the outer cylinder 5 is evenly installed with a plurality of groups of anti-slip strips 6, and the bottom of the inner cylinder 11 is installed with a baffle 13. The setting of the anti-slip strips 6 increases the friction of the outer wall of the outer cylinder 5 to facilitate rotation. A sealing ring is arranged on the top of the baffle 13 to achieve a better sealing effect when in contact with the bottom of the outer cylinder 5.

[0029] The working principle of the connection structure of the precast concrete pile provided by the utility model is as follows: the precast column 2 is moved to the top of the precast column 1 by means of a lifting device, and after the mounting hole 18 is aligned with the threaded rod 8, the precast column 2 is docked with the precast column 1, and the nuts 14 are sequentially installed on the threaded rod 8 at the connection between the mounting plate 13 and the mounting plate 24. After the precast column 2 and the precast column 1 are fixedly connected, the locking assembly 9 is released, and the outer cylinder 5 is moved downward through the slider 15, and the inner cylinder 11 is pushed to move upward along the slide groove 10. When the outer cylinder 5 contacts the inner cylinder 11, the outer cylinder 5 and the inner cylinder 11 are rotated in opposite directions to connect them to each other.

[0030] Compared with the related art, the connection structure of the precast concrete pile provided by the utility model has the following advantages:

[0031] Beneficial effects:

[0032] Through the interaction of components such as the mounting hole 18 and the threaded rod 8, the prefabricated column 2 2 and the prefabricated column 1 1 can be quickly fixedly connected. By unlocking the locking component 9, the outer cylinder 5 is moved downward through the slider 2 15, pushing the inner cylinder 11 to move upward along the slide groove 2 10. When the outer cylinder 5 contacts the inner cylinder 11, the outer cylinder 5 and the inner cylinder 11 are rotated in opposite directions to connect them to each other. The sealed connection between the outer cylinder 5 and the inner cylinder 11 prevents the threaded rod 8 and the nut 14 installed between the internal mounting plate 1 3 and the mounting plate 2 4 from being corroded by the external environment, thereby ensuring the long-term stability of the connection between the prefabricated column 2 2 and the prefabricated column 1 1.

[0033] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A connection structure of precast concrete piles, characterized in that: include: The first and second prefabricated columns are each provided with a mounting plate 2 on their tops, a plurality of mounting holes are evenly provided on the tops of the mounting plate 2, the first and second prefabricated columns are each provided with a mounting plate 1 on their bottoms, a plurality of threaded rods are fixedly provided on the tops of the mounting plate 1, a plurality of threaded rods are fixedly provided on the tops of the threaded rods, a plurality of nuts are threadedly connected on the threaded rods, a plurality of groups of slide grooves 2 are provided on the outer walls of the prefabricated columns 1 and 2, a plurality of groups of slide grooves 2 are slidably connected on the inner walls of the plurality of slide grooves 2, an outer wall of the prefabricated column 1 is in close contact with an inner cylinder, an outer wall of the inner cylinder is provided with an external thread, an outer wall of the prefabricated column 2 is in close contact with an outer cylinder, an inner wall of the outer cylinder is provided with an internal thread, the inner wall of the outer cylinder and the inner wall of the inner cylinder are both rotatably connected to the outer wall of the slide block 2, and a locking assembly is connected to the outer wall of the prefabricated column 2, and the locking assembly is connected to the outer cylinder.

2. The connection structure of precast concrete piles according to claim 1, characterized in that: The locking assembly includes a rectangular frame, a rectangular rod, a slider 1, a slide groove 1, a telescopic rod and a spring. The rectangular rod is fixedly connected to the outer wall of the prefabricated column 2, and the slide groove 1 is fixedly installed on the top of the outer cylinder.

3. The connection structure of precast concrete piles according to claim 2, characterized in that: The slide block 1 is slidably connected to the slide groove 1, the rectangular frame is fixedly installed on the top of the slide block 1, and the rectangular frame is plug-connected to the rectangular rod.

4. The connection structure of precast concrete piles according to claim 3, characterized in that: The spring is installed between the slider 1 and the slide slot 1, and the telescopic rod is also installed between the slider 1 and the slide slot 1.

5. The connection structure of precast concrete piles according to claim 1, characterized in that: A limiting block is fixedly installed on the top of the second mounting plate, and a limiting groove is arranged on the bottom of the first mounting plate.

6. The connection structure of precast concrete piles according to claim 3, characterized in that: The outer wall of the outer cylinder is evenly provided with a plurality of anti-slip strips, and the bottom of the inner cylinder is provided with a baffle.

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