Elastic clamping type concrete square pile head protection device and using method

Abstract

The invention provides an elastic clamping type concrete square pile head protection device and a using method.The protection device comprises a plurality of protection covers, a connecting assembly and a locking assembly, the multiple protection covers are arranged on the periphery of a pile head of a square pile, and a connecting piece inserting rod is arranged at the bottom of the pile head; the bottoms of the protective covers surround the periphery of the connecting piece inserting rod, the connecting assembly is arranged among the protective covers, and the locking assembly is arranged on the protective covers so that the protective covers can be detachably connected with the pile head. The method has the beneficial effects that the connecting piece inserting rod is mounted before the square pile is hoisted, operation is more convenient, the mounting precision of the connecting piece inserting rod is improved, the hoisting time is shortened, potential safety hazards are reduced, the pile head and the connecting piece inserting rod are protected in the hoisting process, the hoisting speed is increased, the construction time is saved, and the construction efficiency is improved. The working efficiency is improved, the structure is simple, the operation is convenient, the dismounting is convenient, and the construction difficulty is reduced.

Description

Technical Field

[0001] The invention belongs to the technical field of construction engineering, and in particular relates to a spring-clip type concrete square pile head protection device and a use method thereof. Background Art

[0002] As a successful example of prefabricated construction, the spring-clip connection prestressed concrete square piles have improved the overall construction level and quality of pile foundations, reduced construction costs, and fully utilized the advantages of prefabricated components compared to traditional pile types. At present, the following problems exist in the construction process:

[0003] 1. Spring-clip connection The butt joint of prestressed concrete square piles is a mechanical connection. The connector rod of the upper pile needs to be inserted into the spring clip of the lower pile. Therefore, the installation accuracy of the connector rod is relatively high. At present, in order to avoid the connector rod at the pile head from being bumped and deformed, the connector rod is not allowed to be installed before hoisting. The connector rod can only be installed after the square pile is hoisted in place. Therefore, when installing the connector rod, the square pile is in a vertical state, which is inconvenient to operate and affects the installation accuracy of the connector rod;

[0004] 2. After lifting, the construction workers first install the connecting rods, and then connect the upper and lower piles. The lifting time is too long, which increases safety hazards;

[0005] 3. In order to prevent the pile head from being damaged during the lifting process, the current lifting process is relatively slow and time-consuming, affecting the entire construction progress. Summary of the invention

[0006] In order to solve the above technical problems, the present invention provides a spring-clip concrete square pile head protection device and a use method, which effectively solves the problems of low installation accuracy, long lifting time and slow lifting of the spring-clip concrete square pile connector plug rod, and overcomes the shortcomings of the prior art.

[0007] The technical solution adopted by the present invention is: a spring-clip type concrete square pile head protection device, comprising:

[0008] A plurality of protective covers are arranged around the pile head of the square pile, a connecting rod is arranged at the bottom of the pile head, and the bottom of the protective cover surrounds the circumference of the connecting rod;

[0009] A connecting component, disposed between the plurality of protective covers;

[0010] The locking assembly is arranged on the protective cover so that the protective cover is detachably connected to the pile head.

[0011] Furthermore, a reinforcing positioning plate is provided at the bottom of the protective cover, and the top of the reinforcing positioning plate abuts against the bottom of the pile head.

[0012] Furthermore, a protective pad is provided on one side of the protective cover close to the pile head.

[0013] Furthermore, a connecting sleeve is provided at the connection of the protective cover, and the connecting sleeve is provided with the connecting assembly.

[0014] Furthermore, the connecting assembly includes a connecting screw, which is inserted into the connecting sleeve and is detachably connected to the connecting sleeve.

[0015] Furthermore, the connecting screw is provided with an adjusting nut and a fastening nut.

[0016] Furthermore, the locking assembly includes an electromagnetic adsorption block, which is arranged on the side of the protective cover and adsorbed to the adjacent protective cover.

[0017] Furthermore, an adsorption portion is provided on the adjacent protection cover, which is adsorbed to the electromagnetic adsorption block.

[0018] Furthermore, a protective cover is provided on the outer side of the electromagnetic adsorption block.

[0019] The present invention also provides a method for using the above-mentioned spring-clip concrete square pile head protection device, comprising the following steps:

[0020] Installing the connector rod at the bottom of the pile head;

[0021] Using the connecting assembly to connect the plurality of protective covers;

[0022] Install the protective cover around the pile head so that the bottom of the protective cover surrounds the circumference of the connecting member plug rod;

[0023] The locking assembly is used to detachably connect the protective cover to the pile head.

[0024] The advantages and positive effects of the present invention are as follows: the connecting rod is installed before the square pile is hoisted, which makes the operation more convenient, is beneficial to improving the installation accuracy of the connecting rod, reduces the hoisting time, reduces the safety hazard, protects the pile head and the connecting rod during the hoisting process, increases the hoisting speed, saves construction time, improves work efficiency, has a simple structure, is easy to operate, is easy to dismantle, and reduces the construction difficulty. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a stereoscopic diagram of a spring-clip type concrete square pile head protection device according to an embodiment of the present invention.

[0026] Figure 2 The present invention is a top view of a spring-clip type concrete square pile head protection device according to an embodiment of the present invention.

[0027] Figure 3 It is a bottom view of a spring-clip type concrete square pile head protection device according to an embodiment of the present invention.

[0028] Figure 4 The present invention is a front view of a spring-clip type concrete square pile head protection device according to an embodiment of the present invention.

[0029] Figure 5 It is a left view of a spring-clip type concrete square pile head protection device according to an embodiment of the present invention.

[0030] In the figure:

[0031] 1. Front protection cover 2. Rear protection cover 3. Left protection cover

[0032] 4. Right side protective cover 5. Strengthening positioning plate 6. Protective pad

[0033] 7. Connecting sleeve 8. Connecting screw 9. Adjusting nut

[0034] 10. Fastening nut 11. Electromagnetic adsorption block 12. Electromagnetic controller

[0035] 13. Mobile electromagnetic power source 14. Protective cover 15. Display

[0036] 16. Manual control key 17. Adsorption part 18. Square pile

[0037] 19. Connector rod DETAILED DESCRIPTION

[0038] An embodiment of the present invention provides a spring-clip type concrete square pile head protection device and a use method. The embodiment of the present invention is described below with reference to the accompanying drawings.

[0039] In the description of the embodiments of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "top", "bottom", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "set" and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected, or indirectly connected through an intermediate medium, or it can be a connection between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0040] like Figure 1-Figure 5As shown, an embodiment of the present invention is a spring-clip concrete square pile head protection device, comprising a plurality of protective covers, a connecting assembly and a locking assembly. The plurality of protective covers include a front protective cover 1, a rear protective cover 2, a left protective cover 3 and a right protective cover 4, which are respectively arranged around the pile head of the square pile 18 to protect the pile head. A connector plug rod 19 is installed at the bottom of the pile head. In order to protect the connector plug rod 19, an extension portion is provided at the bottom of the protective cover extending out of the pile head for a distance. The length of the extension portion is greater than the length of the connector plug rod 19, so that the bottom of the protective cover can be surrounded by the circumference of the connector plug rod 19, and the connector plug rod 19 can be prevented from bumping and deforming during the hoisting process of the square pile 18. The connecting assembly is arranged between the plurality of protective covers, and the specific number is not limited. The connecting assembly connects the plurality of protective covers into a whole, which is convenient for installation on the pile head. The locking assembly is arranged on the protective cover, so that the protective cover is detachably connected to the pile head, which is convenient for disassembly and assembly of the protective cover, and the specific number is not limited. In this embodiment, the lower part of the front protective cover 1 is connected to the left protective cover 3 and the right protective cover 4 by a connecting assembly. The upper and lower parts of the rear protective cover 2 are connected to the left protective cover 3 and the right protective cover 4 by a connecting assembly. The upper part of the front protective cover is connected to the left protective cover 3 and the right protective cover 4 by a locking assembly to lock the four protective covers to the pile head.

[0041] Preferably, Figure 1 As shown, a reinforcing positioning plate 5 is provided at the bottom of the protective cover, and the top of the reinforcing positioning plate 5 abuts against the bottom of the pile head. In this embodiment, a horizontal bend is provided at the extension portion of the bottom of the protective cover, and a plurality of reinforcing positioning plates 5 are fixed at equal intervals on the horizontal bend. When the protective cover is placed on the pile head, the top of the reinforcing positioning plate 5 abuts against the bottom of the pile head to position the protective cover.

[0042] Preferably, Figure 2 As shown, in order to better protect the pile head, a protective pad 6 is provided on one side of the protective cover close to the pile head. In this embodiment, the protective pad 6 is a rubber protective pad, and its shape is adapted to the protective cover.

[0043] Specifically, Figure 1 and Figure 4 As shown, in order to facilitate the connection of the protective cover, a connecting sleeve 7 is provided at the connection of the protective cover, two adjacent connecting sleeves 7 are aligned up and down, and the connecting assembly is provided on the connecting sleeve 7.

[0044] Specifically, the connection assembly includes a connection screw 8 , which is inserted into adjacent connection sleeves 7 aligned up and down and is detachably connected to the connection sleeves 7 .

[0045] Specifically, an adjusting nut 9 and a fastening nut 10 are provided on the connecting screw 8. The adjusting nut 9 is used to adjust the position of the connecting sleeve 7 on the connecting screw 8, and the fastening nut 10 is used to fasten the connecting sleeve 7 to the connecting screw 8.

[0046] Specifically, Figure 1 , Figure 4 and Figure 5 As shown, the locking assembly includes an electromagnetic adsorption block 11, which is arranged on the side of the protective cover and adsorbed with the adjacent protective cover. In this embodiment, electromagnetic adsorption blocks 11 are fixed on both sides of the front protective cover 1, and an electromagnetic controller 12 is electrically connected to the electromagnetic adsorption block 11. The electromagnetic controller 12 can control the electromagnetic adsorption block 11 to adsorb or detach from the adjacent protective cover. In order to facilitate power supply and ensure the normal operation of the electromagnetic controller 12 and the electromagnetic adsorption block 11, a mobile electromagnetic power supply 13 is also installed on the front protective cover. The electromagnetic adsorption block 11, the electromagnetic controller 12 and the mobile electromagnetic power supply 13 are all existing technologies, and the specific structure and connection method will not be repeated here.

[0047] Preferably, in order to facilitate adsorption, an adsorption portion 17 is provided on the adjacent protective cover to be adsorbed with the electromagnetic adsorption block 11. In this embodiment, the adsorption portion 17 is fixed at the position of the left protective cover 3 and the right protective cover 4 relative to the electromagnetic adsorption block 11. The specific shape of the adsorption portion 17 is not limited, as long as it can be adsorbed with the electromagnetic adsorption block 11.

[0048] Preferably, in order to ensure the normal operation of the electromagnetic adsorption block 11, a protective cover 14 is provided on the outside of the electromagnetic adsorption block 11, and the protective cover 14 is fixed on the front protective cover 1. The electromagnetic controller 12 and the mobile electromagnetic power supply 13 are both installed in the protective cover 14. The protective cover 14 is provided with a display 15 and a manual control key 16, which can be used to control the electromagnetic adsorption block 11 and can also be operated remotely. The specific structure is all existing technology and will not be described in detail here.

[0049] A method for using a spring-clip type concrete square pile head protection device comprises the following steps:

[0050] Step 1: Before the square pile 18 is hoisted, the pile head end face is inspected. After the inspection is qualified, the connecting rods 19 are installed one by one using a special electric tool to ensure the installation accuracy. The installation method of the connecting rod is a prior art and will not be described in detail here.

[0051] Step 2: Assemble the protection device, butt the adjacent protection covers at right angles, insert the connecting screw 8 into the adjacent connecting sleeve 7, and install the adjusting nut 9 and the fastening nut 10. Connect the front protection cover 1, the rear protection cover 2, the left protection cover 3 and the right protection cover 4 into one body, and separate the electromagnetic adsorption block 11 from the adsorption part 17.

[0052] Step 3: After ensuring that the installation quality of the connecting rod 19 is qualified, the assembled protection device is inserted into the pile head of the square pile 18, and the protection pad 6 is placed on the side of the protection cover close to the pile head, so that the top of the reinforcement positioning plate 5 is against the bottom of the pile head.

[0053] Step 4: After ensuring that the protection device is correctly installed, use the manual control key 16 or remote control to control the electromagnetic adsorption block 11 to adsorb to the adjacent adsorption part 17, so that the entire protection device is locked to the pile head.

[0054] Step 5: The other pile 18 is hoisted. During the hoisting process, the protective device protects the pile head and the connecting piece plug rod 19.

[0055] Step 6: After the lifting is in place, the electromagnetic adsorption block 11 is separated from the adjacent adsorption part 17 by manual control key 16 or remote control, and the whole protection device is disassembled.

[0056] Step 7: Check whether there is any collision between the connector rod 19 and the end face of the pile head, and after confirming that they are qualified, proceed with the pile connection and pile pressing construction.

[0057] Step 8: Protect the device for repeated use.

[0058] The advantages and positive effects of the present invention are:

[0059] 1. Compared with the prior art, the connector rod is installed before the square pile is hoisted, which is more convenient to operate and is conducive to improving the installation accuracy of the connector rod.

[0060] 2. There is no need to install the connector rod during the lifting process, which reduces the lifting time and reduces safety hazards.

[0061] 3. During the hoisting process, the pile head and the connecting rod are protected, which increases the hoisting speed, saves construction time and improves work efficiency.

[0062] 4. Simple structure, convenient operation, easy dismantling, and reduced construction difficulty.

[0063] The embodiments of the present invention are described in detail above, but the contents described are only preferred embodiments of the present invention and cannot be considered to limit the scope of implementation of the present invention. All equivalent changes and improvements made within the scope of the present invention should still fall within the scope of the patent coverage of the present invention.

Claims

1. A spring-clip type concrete square pile head protection device, characterized in that: include: A plurality of protective covers are arranged around the pile head of the square pile, a connecting rod is arranged at the bottom of the pile head, and the bottom of the protective cover surrounds the circumference of the connecting rod; A connecting component, disposed between the protective covers; The locking assembly is arranged on the protective cover so that the protective cover is detachably connected to the pile head.

2. The spring-clip type concrete square pile head protection device according to claim 1, characterized in that: A reinforcing positioning plate is provided at the bottom of the protective cover, and the top of the reinforcing positioning plate abuts against the bottom of the pile head.

3. The spring-clip type concrete square pile head protection device according to claim 1, characterized in that: A protection pad is provided on one side of the protection cover close to the pile head.

4. A spring-clip type concrete square pile head protection device according to any one of claims 1 to 3, characterized in that: A connecting sleeve is provided at the connection of the protection cover, and the connecting assembly is provided on the connecting sleeve.

5. The spring-clip type concrete square pile head protection device according to claim 4, characterized in that: The connecting assembly comprises a connecting screw, which is inserted into the connecting sleeve and is detachably connected to the connecting sleeve.

6. The spring-clip type concrete square pile head protection device according to claim 5, characterized in that: The connecting screw rod is provided with an adjusting nut and a fastening nut.

7. A spring-clip type concrete square pile head protection device according to any one of claims 1-3 and 5-6, characterized in that: The locking assembly comprises an electromagnetic adsorption block, which is arranged on the side of the protective cover and adsorbed to the adjacent protective cover.

8. The spring-clip type concrete square pile head protection device according to claim 7, characterized in that: The adjacent protection covers are provided with adsorption parts, which are adsorbed with the electromagnetic adsorption blocks.

9. The spring-clip type concrete square pile head protection device according to claim 7, characterized in that: A protective cover is arranged on the outer side of the electromagnetic adsorption block.

10. A method for using the spring-clip concrete square pile head protection device according to claim 1, characterized in that: The following steps are involved: Installing the connector rod at the bottom of the pile head; Using the connecting assembly to connect the plurality of protective covers; Install the protective cover around the pile head so that the bottom of the protective cover surrounds the circumference of the connecting member plug rod; The locking assembly is used to detachably connect the protective cover to the pile head.

Images