Ultra-long pile foundation full sleeve in alpine region

Abstract

The utility model belongs to the technical field of pile foundation full sleeves, and particularly relates to a super-long pile foundation full sleeve in an alpine region, which comprises a first section of steel sleeve, a second section of steel sleeve is sleeved on the top of the first section of steel sleeve, a steel sleeve screw groove is arranged on the outer wall of the second section of steel sleeve, and a crushing device is arranged at the bottom of the first section of steel sleeve. And the crushing device comprises a protective shell, the top of the protective shell is fixedly connected to the bottom of the first section of steel sleeve, a rotating ring is rotationally connected to the bottom of the inner wall of the protective shell, an annular blade fixedly penetrates through the top of the rotating ring, and a friction ring is fixedly connected to the outer wall of the upper portion of the annular blade. According to the utility model, the problem that the pile foundation full sleeve is difficult to be smoothly mounted in the soil due to the fact that the soil in the alpine region is always in a frozen state and the drilling and excavating difficulty is increased due to the existence of an ice layer is solved, so that the effect of smoothly mounting the ultra-long pile foundation full sleeve is achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of pile foundation full sleeves, and in particular relates to a super-long pile foundation full sleeve in high-cold areas. Background Art

[0002] In recent years, in order to adapt to my country's economic development level and meet the needs of large-diameter and ultra-long pile foundation construction and the development of the civil engineering market, the advancement of pile foundation construction equipment and the scientific nature of construction technology are the fundamental guarantee for improving the efficiency and quality of pile foundation industry.

[0003] The patent announcement number CN220783744U discloses a safety sleeve, including a connecting sleeve and a connecting head. The interior of the connecting sleeve is hollow, and the interior of the connecting sleeve is rotatably connected to a docking head. The outer upper end of the docking head is rollingly connected to a steel ball pin. The bottom of the connecting head is provided with a first insertion port for use with the docking head, and the top of the docking head is plugged into the first insertion port. The middle of the connecting head is provided with a first steel ball groove for use with the steel ball pin, the first steel ball groove is connected to the first insertion port, and the steel ball pin is clamped with the first steel ball groove. A regular polygonal hole is provided at the upper end of the connecting head, and the regular polygonal hole is connected to the first insertion port. When the utility model is in use, the staff can hold the connecting sleeve to tighten the screw or nut, and the contact surface of the connecting head and the docking head plug-in position is a plane, which makes the sleeve more stable when in use.

[0004] However, the current pile foundation full sleeve has the following problems: in the spring thaw period, there is a freeze-thaw interface between the internal frozen and melted soil in the high-altitude cold regions, and the depth of the interface changes with the development of environmental factors such as the external temperature. The soil at this interface is in a water-rich state, and the strength of this interface is significantly lower than that of other sections inside the soil. It also has a water-isolating effect, resulting in the melted water in the soil being unable to continue to penetrate downward and being in a semi-frozen state, increasing the difficulty of drilling and excavation, making it difficult to smoothly install the pile foundation full sleeve into the soil. Therefore, we proposed an ultra-long pile foundation full sleeve for high-altitude cold regions. Utility Model Content

[0005] The purpose of the utility model is to provide an ultra-long pile foundation full sleeve in high-cold areas, which can solve the problem in related technologies that the soil in high-cold areas has a freeze-thaw interface, which increases the difficulty of drilling and excavation, making it difficult to smoothly install the pile foundation full sleeve into the soil.

[0006] The technical solution adopted by the utility model is as follows:

[0007] A full sleeve for an extra-long pile foundation in a high-cold area comprises a first steel sleeve section, a second steel sleeve section is sleeved on the top of the first steel sleeve section, a steel sleeve screw groove is provided on the outer wall of the second steel sleeve section, a crushing device is provided at the bottom of the first steel sleeve section, the crushing device comprises a protective shell, the top of the protective shell is fixedly connected to the bottom of the first steel sleeve section, a swivel is rotatably connected to the bottom of the inner wall of the protective shell, an annular blade is fixedly passed through the top of the swivel, a friction ring is fixedly connected to the outer wall above the annular blade, the bottom of the first steel sleeve section is fixedly connected to a motor, and the output shaft of the motor is fixedly connected to a friction wheel.

[0008] The inner wall of the friction ring contacts the outer wall of the friction wheel, and the motor is located inside the protective shell.

[0009] The friction ring is located on the rotating ring, and the annular blade is located outside the protective shell below.

[0010] A promotion device for improving the cutting efficiency of the annular blade is provided at the bottom of the inner wall of the protective shell, and the promotion device includes a rotating rod, the bottom of the rotating rod is rotatably connected to the bottom of the inner wall of the protective shell, the top of the rotating rod is fixedly connected to a resistance block, a torsion spring is provided between the resistance block and the protective shell, the top of the resistance block is fixedly connected to a connecting rod, a knocking rod is fixedly connected to the upper outer wall of the connecting rod, and the top of the rotating ring is fixedly connected to an impact rod.

[0011] The abutment block is located on the displacement track of the impact rod, and the annular blade is located on the displacement track of the knock rod.

[0012] The bottom of the abutment block contacts the top of the rotating ring, and a gap is arranged between the knocking rod and the abutment block.

[0013] The technical effects achieved by the utility model are:

[0014] The utility model arranges the crushing device so that the swivel ring, the annular blade, the friction ring, the motor and the friction wheel cooperate with each other, so that when the friction wheel rotates, the friction ring is driven to rotate by the friction force, and the rotation of the friction ring drives the annular blade to rotate. The rotation of the annular blade cuts the hard soil, thereby ensuring that the first section of the steel sleeve can be smoothly installed inside the soil.

[0015] The utility model promotes the setting of the device, so that the cooperation of the swivel ring, the swivel rod, the torsion spring, the resistance block, the connecting rod, the knocking rod and the impact rod can make the swivel rod rotate by the elastic force of the torsion spring, and the rotation of the swivel rod can drive the resistance block, the connecting rod and the knocking rod to reset. The reset of the knocking rod can hit the annular blade, so that the annular blade vibrates when cutting soil, which can help to break and release the structure of the soil and make the soil easier to cut. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the utility model as a whole;

[0017] Figure 2 It is a schematic diagram of the structure of the utility model when viewed from above;

[0018] Figure 3 It is a schematic diagram of the structure of the motor of the utility model;

[0019] Figure 4 It is a schematic diagram of the structure of the annular blade of the utility model;

[0020] Figure 5 It is a schematic diagram of the structure of the swivel of the utility model;

[0021] Figure 6 This utility model Figure 5 Schematic diagram of the structure at A in the figure.

[0022] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0023] 1. The first section of the steel sleeve; 2. The second section of the steel sleeve; 3. The screw groove of the steel sleeve; 4. The crushing device; 5. The promotion device; 41. The protective shell; 42. The rotating ring; 43. The annular blade; 44. The friction ring; 45. The motor; 46. The friction wheel; 51. The rotating rod; 52. The torsion spring; 53. The resistance block; 54. The connecting rod; 55. The knocking rod; 56. The impact rod. DETAILED DESCRIPTION

[0024] In order to make the purpose and advantages of the utility model more clear, the utility model is specifically described in combination with the following embodiments. It should be understood that the following text is only used to describe one or several specific implementations of the utility model, and does not strictly limit the protection scope of the specific request of the utility model.

[0025] like Figure 1-6As shown, the full sleeve of the ultra-long pile foundation in the high-cold area includes a first steel sleeve 1, the outer wall of the first steel sleeve 1 is provided with a notch matching the steel sleeve screw groove 3 on the outer wall of the second steel sleeve 2, the top of the first steel sleeve 1 is sleeved with the second steel sleeve 2, the outer wall of the second steel sleeve 2 is provided with a steel sleeve screw groove 3, and the bottom of the first steel sleeve 1 is provided with a crushing device 4, the crushing device 4 includes a protective shell 41, and the protective shell 41 can protect the internal structure when installing the full sleeve of the ultra-long pile foundation to prevent it from being damaged. The protective shell 41 The top is fixedly connected to the bottom of the first section of the steel sleeve 1, and a slot for rotating the annular blade 43 is provided at the bottom of the protective shell 41. A swivel 42 is rotatably connected to the bottom of the inner wall of the protective shell 41, and an annular blade 43 is fixedly penetrated through the top of the swivel 42. A friction ring 44 is fixedly connected to the outer wall above the annular blade 43. A motor 45 is fixedly connected to the bottom of the first section of the steel sleeve 1, and a friction wheel 46 is fixedly connected to the output shaft of the motor 45. When the friction wheel 46 rotates, it drives the friction ring 44 to rotate through friction force.

[0026] The inner wall of the friction ring 44 contacts the outer wall of the friction wheel 46 , and the motor 45 is located inside the protective shell 41 .

[0027] The friction ring 44 is located on the rotating ring 42, and the annular blade 43 is located outside the protective shell 41. The rotation of the external annular blade 43 will cut the hard soil, thereby ensuring that the first section of the steel sleeve 1 can be smoothly installed inside the soil.

[0028] According to the above structure, in high-cold areas, during the freeze-thaw period, the soil is in a semi-frozen state. It is difficult to place the first section of the steel sleeve 1 in this state. When placing the first section of the steel sleeve 1, start the motor 45, and the output shaft of the motor 45 will drive the friction wheel 46 to rotate. When the friction wheel 46 rotates, it will drive the friction ring 44 to rotate through friction force. The rotation of the friction ring 44 will drive the annular blade 43 to rotate. The rotation of the annular blade 43 will loosen the soil at the freeze-thaw interface, thereby ensuring that the first section of the steel sleeve 1 can be smoothly installed inside the soil.

[0029] like Figure 1-6As shown, a promotion device 5 for improving the cutting efficiency of the annular blade 43 is provided at the bottom of the inner wall of the protective shell 41, and the promotion device 5 includes a rotating rod 51, the bottom of the rotating rod 51 is rotatably connected to the bottom of the inner wall of the protective shell 41, and a resistance block 53 is fixedly connected to the top of the rotating rod 51, and a torsion spring 52 is provided between the resistance block 53 and the protective shell 41. The rotating rod 51 will rotate by the elastic force of the torsion spring 52, and the rotation of the rotating rod 51 will drive the resistance block 53, the connecting rod 54, and the knocking rod 55 to reset, the top of the resistance block 53 is fixedly connected to the connecting rod 54, and the upper outer wall of the connecting rod 54 is fixedly connected to the knocking rod 55, and the top of the rotating ring 42 is fixedly connected to the impact rod 56, and the knocking rod 55 can impact the annular blade 43, so that the annular blade 43 vibrates when cutting the soil.

[0030] The resistance block 53 is located on the displacement track of the impact rod 56, and the annular blade 43 is located on the displacement track of the knock rod 55. This design allows the impact rod 56 to resist the resistance block 53 when rotating, thereby causing the resistance block 53 to rotate through the rotating rod 51.

[0031] The bottom of the abutment block 53 contacts the top of the rotating ring 42 , and a gap is provided between the knocking rod 55 and the abutment block 53 .

[0032] According to the above structure, the rotation of the annular blade 43 will drive the rotating ring 42 to rotate, and the rotation of the rotating ring 42 will drive the impact rod 56 to rotate. When rotating, the impact rod 56 will abut against the resistance block 53, so that the resistance block 53 rotates through the rotating rod 51. The rotation of the resistance block 53 will drive the connecting rod 54 away from the inner wall of the annular blade 43. When the impact rod 56 does not abut against the resistance block 53 during rotation, the rotating rod 51 will rotate due to the elastic force of the torsion spring 52. The rotation of the rotating rod 51 will drive the resistance block 53, the connecting rod 54, and the knocking rod 55 to reset. The resetting of the knocking rod 55 will hit the annular blade 43, causing the annular blade 43 to vibrate when cutting the soil, which can help break and release the structure of the soil, making the soil easier to cut.

[0033] The above is only a preferred embodiment of the present invention. It should be noted that, for ordinary technicians in the technical field, several improvements and modifications can be made without departing from the principle of the present invention, and these improvements and modifications should also be regarded as the protection scope of the present invention. The structures, devices and operating methods not specifically described and explained in the present invention shall be implemented according to the conventional means in the field unless otherwise specified and limited.

Claims

1. A full sleeve for an ultra-long pile foundation in a high-cold region, comprising a first steel sleeve (1), a second steel sleeve (2) being sleeved on the top of the first steel sleeve (1), and a steel sleeve screw groove (3) being provided on the outer wall of the second steel sleeve (2), characterized in that: A crushing device (4) is provided at the bottom of the first steel sleeve (1), and the crushing device (4) comprises a protective shell (41), the top of the protective shell (41) is fixedly connected to the bottom of the first steel sleeve (1), a rotating ring (42) is rotatably connected to the bottom of the inner wall of the protective shell (41), an annular blade (43) is fixedly penetrated through the top of the rotating ring (42), and a friction ring (44) is fixedly connected to the upper outer wall of the annular blade (43), and a motor (45) is fixedly connected to the bottom of the first steel sleeve (1), and a friction wheel (46) is fixedly connected to the output shaft of the motor (45).

2. The full sleeve of super-long pile foundation for high-cold areas according to claim 1 is characterized by: The inner wall of the friction ring (44) contacts the outer wall of the friction wheel (46), and the motor (45) is located inside the protective shell (41).

3. The full sleeve of super-long pile foundation for high-cold areas according to claim 2 is characterized by: The friction ring (44) is located on the rotating ring (42), and the annular blade (43) is located below the protective shell (41).

4. The full sleeve of super-long pile foundation for high-cold areas according to claim 3 is characterized by: The bottom of the inner wall of the protective shell (41) is provided with a promotion device (5) for improving the cutting efficiency of the annular blade (43), the promotion device (5) comprising a rotating rod (51), the bottom of the rotating rod (51) being rotatably connected to the bottom of the inner wall of the protective shell (41), the top of the rotating rod (51) being fixedly connected to a resistance block (53), a torsion spring (52) being provided between the resistance block (53) and the protective shell (41), the top of the resistance block (53) being fixedly connected to a connecting rod (54), the upper part of the outer wall of the connecting rod (54) being fixedly connected to a knocking rod (55), and the top of the rotating ring (42) being fixedly connected to a striking rod (56).

5. The full sleeve of super-long pile foundation for high-cold areas according to claim 4 is characterized by: The abutment block (53) is located on the displacement track of the impact rod (56), and the annular blade (43) is located on the displacement track of the knock rod (55).

6. The full sleeve of super-long pile foundation for high-cold areas according to claim 5 is characterized by: The bottom of the abutment block (53) contacts the top of the rotating ring (42), and a gap is provided between the knocking rod (55) and the abutment block (53).

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