A casing type sinking screw pile device

Abstract

The utility model discloses a kind of casing type sinking spiral pile devices, belong to pile foundation construction technical field.It include pile body, spiral blade and swivel head, further include casing, casing includes: connecting sleeve, detachably sleeve joint in swivel head top;Driving pile head, integrally formed in the top of connecting sleeve, both sides are provided with the driving rod for connecting pile driver;Among them, connecting sleeve both sides are hinged with clamping plate, two clamping plates are used to merge to sleeve joint in swivel head top, and two clamping plates are connected with swivel head by connecting structure.The utility model, the setting of connecting sleeve shares part torque and axial force of swivel head when being stressed, reduces swivel head stress, to avoid swivel head tear, reduce maintenance cost, guarantee the stable construction of simultaneously, improve construction efficiency, equipment reliability and security.

Description

Technical Field

[0001] This utility model relates to a casing-type sinking spiral pile device, belonging to the field of pile foundation construction technology. Background Technology

[0002] Photovoltaic helical piles are a type of foundation construction equipment widely used in the field of new energy engineering, such as... Figure 1 As shown, it includes a pile body 1 and a spiral blade 2. The top of the pile body is equipped with a hollow rotating head 3 connected to the pile driver. After the rotating head 3 is connected to the pile driver, it drives the pile body into the ground by rotating and sinking. It has the advantages of fast construction speed, high bearing capacity and small environmental impact.

[0003] However, in actual construction, the rotating head is subjected to huge torque and axial force, which can easily cause tearing due to uneven stress or complex geological conditions, resulting in reduced construction efficiency or even equipment damage. Utility Model Content

[0004] The technical problem to be solved by this utility model is to provide a casing-type sinking helical pile device, which solves the problem in the prior art that the rotating head is subjected to huge torque and axial force, and is prone to tearing due to uneven force or complex geological conditions, resulting in reduced construction efficiency or even equipment damage.

[0005] The technical problem to be solved by this utility model is achieved by the following technical solution: A casing-type sinking spiral pile device, comprising a pile body, spiral blades and a rotating head, and also comprising a kit, the kit comprising:

[0006] The connecting sleeve is detachably fitted onto the top of the rotating head;

[0007] The drive pile head is integrally formed on the top of the connecting sleeve, and drive rods for connecting the pile driver are provided on both sides.

[0008] The connecting sleeve has two hinged clamps on both sides. The two clamps are used to be combined to fit onto the top of the rotating head, and both clamps are connected to the rotating head through a connecting structure.

[0009] By adopting the above technical solution, the connecting sleeve distributes part of the torque and axial force of the rotor when it is under stress, reduces the stress on the rotor, thereby avoiding tearing of the rotor, reducing maintenance costs, ensuring stable construction, and improving construction efficiency, equipment reliability and safety.

[0010] The present invention is further configured such that: the clamping plate is an arc-shaped plate adapted to the arc surface of the rotating head, the connecting structure includes a fixed contact provided on the inner wall of the clamping plate, and fixed grooves for the fixed contact to be inserted are provided on both sides of the rotating head. At the same time, an elastic element is provided between the two clamping plates, and a fixed head for fixing the end of the elastic element is provided on the inner wall of the two clamping plates.

[0011] By adopting the above technical solution, two clamping plates are sleeved on the outside of the rotor, that is, the fixed contact is inserted into the fixed groove, so that the connecting sleeve and the rotor cannot rotate relative to each other. However, through the elastic force of the tension spring, the two clamping plates can tightly clamp the rotor, thus ensuring the stability of the spiral pile's rotation and sinking.

[0012] The present invention is further configured such that: a block is provided at the top of the clamping plate, and grooves for the block to be inserted are provided on both sides of the bottom of the connecting sleeve; fixing holes are provided on both sides of the block; and connecting rods for being inserted into the fixing holes are provided on the inner walls of both sides of the grooves.

[0013] By adopting the above technical solution, the hinge between the clamp plate and the connecting sleeve is achieved by embedding the insert into the groove and making the connecting rod snap into the fixing hole.

[0014] The beneficial effects of this utility model are: the connecting sleeve distributes part of the torque and axial force of the rotor when it is under stress, reduces the stress on the rotor, thereby avoiding tearing of the rotor, reducing maintenance costs, ensuring stable construction, and improving construction efficiency, equipment reliability and safety. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of a helical pile in the prior art;

[0016] Figure 2 This is a schematic diagram of the structure of this utility model;

[0017] Figure 3 This is a half-sectional view of the kit in this utility model;

[0018] Figure 4 This is an exploded structural diagram of the kit in this utility model.

[0019] In the diagram: 1. Pile body; 2. Spiral blade; 3. Rotary head; 4. Connecting sleeve; 5. Drive pile head; 6. Clamping plate; 7. Fixed contact; 8. Fixed groove; 9. Elastic element; 10. Insert; 11. Insert groove; 12. Fixed hole; 13. Connecting rod; 14. Drive rod; 15. Fixed head. Detailed Implementation

[0020] To facilitate a clear understanding of the technical means, creative features, objectives, and effects of this utility model, the following description, in conjunction with specific illustrations, further elaborates on this utility model.

[0021] like Figures 1 to 3 As shown, a casing-type sinking helical pile device includes a pile body 1, a helical blade 2, and a rotor 3, and also includes a kit, which includes:

[0022] Connecting sleeve 4 is detachably fitted onto the top of rotating head 3;

[0023] The drive pile head 5 is integrally formed on the top of the connecting sleeve 4, and both sides are provided with drive rods 14 for connecting the pile driver;

[0024] The connecting sleeve 4 has two hinged clamping plates 6 on both sides. The two clamping plates 6 are used to be combined to fit onto the top of the rotating head 3, and both clamping plates 6 are connected to the rotating head 3 through a connecting structure.

[0025] By setting the connecting sleeve 4 to be fitted onto the top of the rotating head 3, and rotating the two clamping plates 6 to fit the two clamping plates 6 onto the outside of the rotating head 3, and then using the connecting structure to fix the clamping plates 6 onto the rotating head 3, when connecting the pile driver, it is only necessary to connect the drive rod 14 to the pile driver. During operation, the pile driver drives the drive rod 14 to rotate, thereby driving the pile head 5, the connecting sleeve 4 and the clamping plates 6 to rotate, and then driving the pile body 1 to rotate and sink.

[0026] The connecting sleeve 4 distributes part of the torque and axial force of the rotor 3 when it is under stress, reducing the stress on the rotor 3 and thus preventing the rotor 3 from tearing, reducing maintenance costs, while ensuring the stable progress of construction and improving construction efficiency, equipment reliability and safety.

[0027] It should be noted that in this embodiment, the pile body 1, the spiral blade 2, and the rotor 3 are all made of alloy steel, which effectively improves the tear resistance and fatigue life of the rotor 3. The connecting sleeve 4, the drive pile head 5, the drive rod 14, the clamping plate 6, and the connecting structure are also made of alloy steel to improve the overall hardness, wear resistance, and toughness of the device and to make the drive pile head 5 stable and not easy to fall off, so that the pile driver can effectively drive the operation of the whole device.

[0028] Meanwhile, the connecting sleeve 4 and the drive pile head 5 are integrally formed to avoid gaps in the middle that could affect the use of the device.

[0029] like Figure 3 and Figure 4 As shown, the clamping plate 6 is an arc-shaped plate adapted to the arc surface of the rotating head 3. The connecting structure includes a fixing contact 7 disposed on the inner wall of the clamping plate 6. Both sides of the rotating head 3 are provided with fixing grooves 8 for fixing the contact 7 to be inserted. At the same time, an elastic element 9 is disposed between the two clamping plates 6. In this embodiment, the elastic element 9 is a tension spring. The inner walls of the two clamping plates 6 are provided with fixing heads 15 for fixing the ends of the tension springs.

[0030] Two clamping plates 6 are sleeved on the outside of the rotating head 3, that is, the fixed contact 7 is inserted into the fixed groove 8, so that the connecting sleeve 4 and the rotating head 3 cannot rotate relative to each other. However, through the elastic force of the tension spring, the two clamping plates 6 can tightly clamp the rotating head 3, ensuring the stability of the spiral pile's rotation and sinking.

[0031] Furthermore, the tension spring is made of alloy spring steel 60Si2MnA, which has the advantages of strong corrosion resistance, high and low temperature resistance, high elastic strength, and strong fatigue performance. The tension spring mainly plays a role in tightening and closing. When the two clamps 6 are opened and placed on the rotating head 3, the tension spring can tightly lock the rotating head 3 to prevent the pile body 1 from falling off and causing damage to the pile foundation.

[0032] like Figure 4 As shown, the top of the clamping plate 6 is provided with an insert 10, and both sides of the bottom of the connecting sleeve 4 are provided with grooves 11 for inserting the insert 10. Both sides of the insert 10 are provided with fixing holes 12, and both sides of the groove 11 are provided with connecting rods 13 for inserting into the fixing holes 12.

[0033] By embedding the insert 10 into the groove 11 and making the connecting rod 13 snap into the fixing hole 12, the hinge between the clamp 6 and the connecting sleeve 4 is achieved.

[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, and various changes and modifications can be made without departing from the spirit and scope of this utility model. All such changes and modifications fall within the scope of protection claimed by this utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A casing-type sinking helical pile device, comprising a pile body (1), helical blades (2), and a rotating head (3), characterized in that, It also includes a kit, which includes: The connecting sleeve (4) is detachably connected to the top of the rotating head (3); The drive pile head (5) is located on the top of the connecting sleeve (4) and is used to connect the pile driver; The connecting sleeve (4) has a clamping plate (6) hinged on both sides. The two clamping plates (6) are used to merge and fit onto the top of the rotating head (3). Both clamping plates (6) are connected to the rotating head (3) through a connecting structure.

2. The casing-type sinking helical pile device according to claim 1, characterized in that: The connection structure includes a fixed contact (7) disposed on the inner wall of the clamp (6), and both sides of the rotating head (3) are provided with a fixed groove (8) for the fixed contact (7) to be inserted.

3. The casing-type sinking helical pile device according to claim 1, characterized in that: An elastic element (9) is provided between the two clamping plates (6).

4. The casing-type sinking helical pile device according to claim 1, characterized in that: The clamp (6) is provided with an insert (10) at the top, and the bottom sides of the connecting sleeve (4) are provided with grooves (11) for the insert (10) to be inserted. The insert (10) is provided with fixing holes (12) on both sides, and the inner walls of the grooves (11) are provided with connecting rods (13) for being inserted into the fixing holes (12).

5. The casing-type sinking helical pile device according to claim 1, characterized in that: A drive rod (14) is provided on both sides of the drive pile head (5).

6. The casing-type sinking helical pile device according to claim 3, characterized in that: The elastic element (9) is a tension spring, and the inner walls of the two clamps (6) are provided with fixing heads (15) for fixing the ends of the tension spring.

7. The casing-type sinking helical pile device according to claim 1, characterized in that: The clamping plate (6) is an arc-shaped plate.

8. The casing-type sinking helical pile device according to claim 1, characterized in that: The pile body (1) is an alloy steel pile body (1).

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