A kind of anti-deviation positioning device and positioning method of super-thick hard rock pile driver

By installing fixing devices, lifting devices, and positioning devices on the pile driver, the problem of displacement of wooden piles or steel pipe piles in ultra-thick hard rock strata was solved, achieving precise positioning and efficient construction.

CN119843663BActive Publication Date: 2025-11-07CCCC SECOND HARBOR ENGINEERING CO LTD +1
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Patent Information

Application Number
CN202510030413.2
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2025-01-08
Publication Date
2025-11-07
Estimated Expiration
2045-01-08

AI Technical Summary

Technical Problem

Existing pile drivers are unable to accurately position wooden piles or steel pipe piles in ultra-thick hard rock conditions, resulting in deviation and deflection, which increases construction difficulty and affects efficiency.

Method used

An anti-deviation positioning system is adopted, which includes a fixing device, a lifting device, and a positioning device. Through components such as telescopic screw rods, lifting threaded rods, and positioning arc frames, the system can achieve stable fixation of the pile driver and accurate positioning of wooden piles or steel pipe piles.

Benefits of technology

It improves the positioning accuracy of pile drivers in ultra-thick hard rock formations, reduces deviation, and enhances construction efficiency and safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present application belongs to the technical field of pile driver, especially to a deviation-preventing positioning device and positioning method for pile driver used for super-thick hard rock, comprising a pile driver and a positioning shell with rollers, further comprising a fixing device, a lifting device and a positioning device installed in the positioning shell. The deviation-preventing positioning device and positioning method for pile driver used for super-thick hard rock can drive the positioning device to descend synchronously when the wood pile or steel pipe pile is descending, without affecting the effect of pile driving. After the lifting motor is started, the rotation of the connecting gear is driven, and the driving gear is driven to rotate through the transmission of the transmission gear ring, so as to drive the lifting threaded rod to ascend and descend, drive the positioning device to ascend and descend synchronously, and the magnetic connection of the electromagnet can selectively affect the rotation of the connecting gear, so as to control the movement of the lifting threaded rod, so that the lifting motor can drive the lifting threaded rod to ascend and descend or drive the positioning device.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of pile drivers, in particular to a deviation-preventing positioning device and method for a pile driver used for super-thick hard rock. BACKGROUND

[0002] In the construction process of the building field, pile drivers are often used for piling, and piles are driven into the ground to ensure the overall strength of the foundation. Pile drivers can be divided into hydraulic hammer pile drivers, screw pile drivers, etc. Pile drivers drive concrete precast piles, steel pipe piles or wooden piles into the ground, so that the buildings built are more solid and less likely to collapse.

[0003] When the existing pile driver is used for piling in the ecological sensitive area under the condition of super-thick hard rock, the wooden pile or steel pipe pile is driven into the ground after the pile head is lowered. However, the existing pile driver cannot position the wooden pile or steel pipe pile that needs to be piled, because the ground of the super-thick hard rock is easy to deviate during the impact, causing the wooden pile or steel pipe pile to deviate from the set position, increasing the construction difficulty, affecting the construction difficulty, and if it is not a large pile, one person holds the pile body, and the wooden pile or steel pipe pile is impacted by the pile driver. Because the rock layer is thick, a large vibration is generated, which poses a certain danger to the workers. Moreover, the existing positioning of the wooden pile or steel pipe pile is not accurate, and needs to be adjusted multiple times, affecting the construction efficiency. SUMMARY

[0004] In view of the technical problem that the existing pile driver cannot position the wooden pile or steel pipe pile that needs to be piled, causing the wooden pile or steel pipe pile to deviate from the set position, increasing the construction difficulty, and needing to adjust the piling position multiple times, affecting the construction efficiency, the present application proposes a deviation-preventing positioning device and method for a pile driver used for super-thick hard rock.

[0005] The deviation-preventing positioning device for a pile driver used for super-thick hard rock proposed by the present application comprises a pile driver and a positioning shell with rollers, and further comprises a fixing device, a lifting device and a positioning device installed in the positioning shell.

[0006] The fixing device is located in the interior of the positioning shell and fixes between the positioning shell and the ground. The fixing device comprises an extension mechanism and a fixing mechanism. The extension mechanism comprises an extension sleeve, and the extension of the extension sleeve drives the fixing mechanism to lift. The fixing mechanism comprises a supporting block, and the movement of the supporting block fixes between the extension sleeve and the ground.

[0007] The lifting device is located on the inner wall of the positioning shell. The lifting device comprises a lifting screw rod with bevel gears. The rotation of the lifting screw rod drives the positioning device to lift.

[0008] The positioning device is located at one end of the lifting device and is used for positioning the pile sleeve to be driven, and the positioning device comprises a positioning mechanism, a driving mechanism and a self-locking mechanism, the positioning mechanism comprises a positioning arc frame, movement of the positioning arc frame clamps the pile sleeve to be driven, the driving mechanism comprises a driving turntable with a gear ring, rotation of the driving turntable drives the positioning arc frame to move, and the self-locking mechanism comprises a self-locking stand column, the self-locking stand column self-locks the driving turntable.

[0009] Preferably, the telescopic mechanism further comprises a telescopic motor, the telescopic motor is fixedly installed on the inner wall of the positioning shell, one end of the output shaft of the telescopic motor is fixedly installed with a telescopic lead screw, one telescopic lead screw drives the remaining telescopic lead screws to rotate through the cooperation of a synchronous belt and a synchronous wheel, the inner wall of the connecting sleeve is slidably inserted into the positioning shell, the inner wall of the connecting sleeve is threadedly connected with the outer surface of the telescopic lead screw, one end of the telescopic sleeve is rotatably connected with the inner wall of the connecting sleeve through a bearing, and the inner wall of the telescopic sleeve is slidably inserted into one end of the telescopic lead screw.

[0010] Through the above technical scheme, the rotation of the telescopic lead screw can drive the connecting sleeve to descend, so that the telescopic sleeve can descend, and the telescopic lead screw and the telescopic sleeve are slidably inserted, so that the telescopic sleeve can be driven to rotate, thereby realizing the rotation and lifting of the telescopic sleeve by one motor.

[0011] Preferably, the fixing mechanism further comprises a limiting frame, the limiting frame is fixedly installed at one end of the telescopic sleeve, and a drill bit is fixedly installed at one end of the limiting frame.

[0012] Through the above technical scheme, the limiting frame can limit the supporting blocks, the gap between the supporting blocks is facilitated to be generated, the soil is prevented from entering, the rotation of the drill bit facilitates the soil to be broken, and the positioning shell is facilitated to be fixed.

[0013] Preferably, one end of the telescopic lead screw is fixedly installed with a pushing lead screw, one end of the pushing lead screw is threadedly connected with a pushing frame, the inner wall of the telescopic sleeve is slidably inserted with a pressing frame, the pressing frame is slidably inserted into the outer surface of the pushing frame, the inner wall of the telescopic sleeve is fixedly installed with a pushing spring, one end of the pushing spring is sleeved with the pressing frame, the inside of the limiting frame is slidably inserted with one end of the supporting block, one end of the supporting block is hingedly connected with a deflection connecting rod through a pin shaft, and one end of the deflection connecting rod is hingedly connected with the outer surface of the pressing frame through a pin shaft.

[0014] Through the technical scheme, the thread gap of the pushing screw is larger than the thread gap of the telescopic screw, the moving speed of the pushing frame is greater than the moving speed of the connecting sleeve, the pushing frame can press the pressing frame, the pressing frame can drive the deflection connecting rod to deflect after descending, the support block moves outward after being expanded, the contact area with the soil is increased, and the positioning shell can be stably supported on the ground.

[0015] Preferably, the lifting device further comprises a lifting motor fixedly installed on the inner wall of the positioning shell, the inner wall of the positioning shell is rotationally connected with a transmission gear ring through a bearing, one end of the output shaft of the lifting motor is fixedly installed with a rotating rod through a shaft coupling, one end of the rotating rod is slidingly inserted with a connecting gear with a spring, the outer surface of the rotating rod is fixedly installed with a connecting electromagnet, the outer surface of the connecting electromagnet is magnetically connected with the outer surface of the connecting gear, the connecting gear drives the transmission gear ring to rotate after being engaged with the transmission gear ring, the inner surface of the positioning shell is rotationally connected with a drive gear through a bearing seat, the drive gear is engaged with the transmission gear ring, and the inner wall of the drive gear is threadedly connected with a lifting threaded rod.

[0016] Through the above technical scheme, the connecting gear can be driven to rotate after the lifting motor is started, the transmission gear ring is driven to rotate, a plurality of drive gears are driven to rotate, and the lifting threaded rod is driven to descend, so that the wooden pile or the steel pipe pile can be descended, and the connecting electromagnet can be magnetically connected with the connecting gear after being connected, so that the lifting threaded rod can be selectively lifted and descended.

[0017] Preferably, the positioning mechanism further comprises a positioning ring groove, one end of the lifting threaded rod is rotationally connected with the inner wall of the positioning ring groove through a bearing, the inner wall of the positioning ring groove is rotationally connected with a positioning lead screw with a bevel gear through a bearing, the bevel gear of the positioning lead screw is engaged with the bevel gear of the lifting threaded rod, one end of the positioning lead screw is threadedly connected with one end of a positioning arc frame, one end of the positioning arc frame is slidingly inserted with the inner wall of the positioning ring groove, and the outer surface of the positioning arc frame is rotationally connected with a ball.

[0018] Through the above technical scheme, the positioning arc frame is driven to move through the rotation of the positioning lead screw, the wooden pile of various sizes is clamped to realize the positioning of the wooden pile, the ball does not affect the descent of the wooden pile, the positioning lead screw is driven to rotate through the rotation of the lifting threaded rod, and the input of the driving source is reduced.

[0019] Preferably, the driving mechanism further comprises a driving frame, an inner wall of the driving frame is in sliding sleeve connection with one end of the rotating rod, an outer surface of the driving frame is in rotating connection with a transmission sleeve through a bearing, an inner wall of the transmission sleeve is in sliding insertion connection with one end of the rotating rod, an outer surface of the transmission sleeve is in sliding insertion connection with a driving bevel gear with a return spring, one end of the transmission sleeve is fixedly installed with an adsorption electromagnet, and an outer surface of the adsorption electromagnet is in magnetic connection with an outer surface of the driving bevel gear.

[0020] Through the above technical scheme, after the rotating rod and the transmission sleeve are in sliding insertion connection, the transmission sleeve can rotate to drive the driving bevel gear to rotate synchronously, the transmission sleeve can descend synchronously with the driving frame descending, and the driving bevel gear can be lifted after the adsorption electromagnet controls the lifting of the driving bevel gear, so that the engagement between the driving bevel gear and the transmission bevel gear is released.

[0021] Preferably, an outer surface of the positioning ring groove is in rotating connection with an outer surface of the driving disc through a bearing, one end of one of the driving discs is fixedly installed with a transmission bevel gear, the transmission bevel gear is in rotating connection with an outer surface of the driving frame through a bearing, the transmission bevel gear is in engagement with the driving bevel gear, an inner wall of the positioning ring groove is in sliding insertion connection with a clamping arc plate, an inner surface of the clamping arc plate is in contact with one end of the lifting threaded rod, one end of the clamping arc plate is in sliding insertion connection with an inner wall of the arc-shaped groove of the driving disc, and an outer surface of the positioning ring groove is in rotating connection with a driving gear ring through a bearing, and the driving gear ring is in engagement with the gear ring of the driving disc.

[0022] Through the above technical scheme, the rotation of the transmission bevel gear can drive the driving disc to rotate, so as to adjust the clamping or releasing of the two opposite clamping arc plates on the lifting threaded rod, the driving gear ring can drive the remaining driving discs to rotate synchronously and in the same direction, the remaining lifting threaded rods are clamped and limited, and the rotation of the driving gear ring drives the lifting of the lifting threaded rod.

[0023] Preferably, the self-locking mechanism further comprises a self-locking gear ring, the self-locking gear ring is fixedly installed on an upper surface of the driving gear ring, an outer surface of the positioning ring groove is in sliding insertion connection with a self-locking groove body with a spring, an outer surface of the positioning ring groove is fixedly installed with an adjusting electromagnet, a lower surface of the adjusting electromagnet is in magnetic connection with an upper surface of the self-locking groove body, an inner wall of the self-locking groove body is in sliding insertion connection with one end of the self-locking column, the inner wall of the self-locking groove body is fixedly installed with a connecting spring, one end of the connecting spring is fixedly installed with one end of the self-locking column, and one end of the self-locking column is in sliding insertion connection with an inner wall of the self-locking gear ring.

[0024] Through the plug-in connection of the self-locking stand and the self-locking gear ring, the self-locking gear ring cannot rotate in one direction, so that the clamping arc plate keeps clamping the lifting threaded rod.

[0025] The positioning method of the anti-deviation positioning device of the pile driver for super-thick hard rock provided by the application comprises the following steps:

[0026] S1: When the wood pile or steel pipe pile to be driven by the pile driver needs to be positioned, the positioning shell is sleeved on the pile head, the lifting motor is started, the connecting electromagnet is powered on, the connecting gear is magnetically connected, the meshing of the connecting gear and the transmission gear ring is disconnected, the lifting motor drives the rotating rod to rotate, the transmission sleeve on the driving frame is driven to rotate, the driving bevel gear is driven to rotate, the transmission bevel gear meshing with the driving bevel gear is driven to rotate, the driving disc is driven to rotate, the rotation of the driving disc drives other driving discs to rotate synchronously, and then the two opposite clamping arc plates are moved in opposite directions to release the fixing and limiting of the lifting threaded rod.

[0027] S2: The driving bevel gear is adsorbed after the adsorption electromagnet is powered on, the return spring on the driving bevel gear is compressed, the meshing between the driving bevel gear and the transmission bevel gear is released, the connecting electromagnet is powered off, the connecting gear meshes with the transmission gear ring, the lifting motor is started to drive the connecting gear to rotate, the transmission gear ring is driven to rotate, the driving gear on the inner surface of the positioning shell is driven to rotate, the lifting threaded rod is driven to rotate synchronously, the bevel gear on the lifting threaded rod meshes with the bevel gear on the positioning screw to drive the positioning screw to rotate, the positioning arc frame approaches the pile head to be clamped, the position of the positioning shell is adjusted, the position of the positioning shell is adjusted by the rollers on the positioning shell, and the axis of the positioning shell is kept on the same line as the axis of the pile head.

[0028] S3: The connecting electromagnet is powered on, the adsorption electromagnet is powered off, the driving bevel gear is reset under the action of the return spring, meshes with the transmission bevel gear again, drives the transmission bevel gear to rotate, and then drives the driving disc to rotate, drives the clamping arc plate to move relatively to clamp and limit the lifting threaded rod, and at the same time, the adjusting electromagnet in the positioning ring groove is powered off, the self-locking stand on the self-locking groove is plugged into the self-locking gear ring, the driving gear ring is limited, the driving gear ring is prevented from rotating, and the lifting threaded rod cannot rotate.

[0029] S4: through the lifting motor starts, drive telescopic screw rod rotates, telescopic screw rod drives the connecting sleeve to drop, drive telescopic sleeve to descend synchronously, while telescopic sleeve and telescopic screw rod slide after inserting, drive telescopic sleeve to rotate, through the limiting frame drive drill bit to rotate, bore hole to the ground, drive telescopic sleeve to drill into the soil, while the rotation of telescopic screw rod, drive push rod to rotate, push rod drive push frame to descend on the pressing frame, press the pressing frame, the pressing frame descends, push spring is compressed, the pressing frame moves outward through the deflection link, and expands in the soil.

[0030] S5: after fixing the positioning shell, the pile driver is raised, and the wooden pile or steel pipe pile to be fixed is inserted into the center of the positioning shell, and the rotation of the driving lifting screw rod drives the rotation of the positioning screw rod, the positioning arc frame clamps and positions the wooden pile, and the descent of the pile driver facilitates the descent of the wooden pile or steel pipe pile through the ball on the positioning arc frame.

[0031] Through the above technical scheme,

[0032] The beneficial effects in the application are:

[0033] 1. By setting the fixing device, the positioning shell can be quickly fixed, and through the rotation of the telescopic screw rod, the connecting sleeve can be telescoped, so that the telescopic sleeve can be telescoped, and through the sliding insertion between the telescopic screw rod and the telescopic sleeve, the telescopic screw rod can be rotated and lifted at the same time, and the rotation of the push rod is driven by the telescopic screw rod, the pressing frame is pressed by the movement of the push frame, and then the support block is moved outward by the deflection link, the area of contact with the soil is increased, the stability of the fixing is improved, the rotation of the drill bit is realized at the same time through one telescopic motor, the support plate is expanded after a certain depth of rotation, the fixing of the drill bit is completed, the positioning shell is fixed, the wooden pile and the steel pipe pile to be driven are positioned, the technical problem that the existing pile driver cannot position the wooden pile or the steel pipe pile to be driven is solved, the wooden pile or the steel pipe pile deviates from the set position, the construction difficulty is increased, the position of driving piles needs to be adjusted many times, and the construction efficiency is affected.

[0034] 2、By setting the lifting device, can cooperate with the wooden pile or steel pipe pile down, drive positioning device to synchronous decline, do not affect the effect of piling, through the start of lifting motor, drive the rotation of the connecting gear, through the transmission of the transmission ring, can drive the driving gear to rotate, thereby driving the lifting screw rod to be limited to lift, drive the positioning device to synchronous lifting, the magnetic connection of the connecting electromagnet can selectively affect the rotation of the connecting gear, thereby controlling the movement of the lifting screw rod, so that the lifting motor can realize driving the lifting screw rod or the drive of the positioning device, enhance the flexibility and operability of the device.

[0035] 3、By setting the positioning device, the wooden pile or steel pipe pile can be positioned, prevent the wooden pile or steel pipe pile from deviating during piling, and the pile head of the pile driver can be positioned, the object used can be adjusted according to the needs, after the clamping arc plate releases the clamping of the lifting screw rod, the rotation of the driving gear can drive the synchronous rotation of the lifting screw rod, through the transmission of the bevel gear, drive the rotation of the positioning lead screw, so that the positioning arc frame can approach the wooden pile to be positioned, clamp the wooden pile to be positioned, the lifting screw rod can be lifted or rotated by clamping or releasing the lifting screw rod by the clamping arc plate, the movement of the positioning arc frame and the lifting of the positioning arc frame are completed by one lifting motor, reducing the cost, solving the technical problems that the existing pile driver cannot position the wooden pile or steel pipe pile to be piled, causing the wooden pile or steel pipe pile to deviate from the set position, increasing the construction difficulty, the position of piling needs to be adjusted many times, affecting the construction efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0036] Figure 1 A schematic diagram of a deviation-preventing positioning device for a pile driver for super-thick hard rock is proposed in the present application;

[0037] Figure 2 A perspective view of the positioning shell structure of the deviation-preventing positioning device for the pile driver for super-thick hard rock is proposed in the present application;

[0038] Figure 3 A perspective view of the connecting sleeve structure of the deviation-preventing positioning device for the pile driver for super-thick hard rock is proposed in the present application;

[0039] Figure 4 A perspective view of the telescopic sleeve structure of the deviation-preventing positioning device for the pile driver for super-thick hard rock is proposed in the present application;

[0040] Figure 5 A perspective view of the push lead screw structure of the deviation-preventing positioning device for the pile driver for super-thick hard rock is proposed in the present application;

[0041] Figure 6A three-dimensional view of a support block structure of a deviation-preventing positioning device for a pile driver for super-thick hard rock according to the present invention;

[0042] Figure 7 A three-dimensional view of an upgrade screw rod structure of a deviation-preventing positioning device for a pile driver for super-thick hard rock according to the present invention;

[0043] Figure 8 A three-dimensional view of a drive gear structure of a deviation-preventing positioning device for a pile driver for super-thick hard rock according to the present invention;

[0044] Figure 9 A three-dimensional view of a drive turntable structure of a deviation-preventing positioning device for a pile driver for super-thick hard rock according to the present invention;

[0045] Figure 10 A three-dimensional view of a transmission sleeve structure of a deviation-preventing positioning device for a pile driver for super-thick hard rock according to the present invention;

[0046] Figure 11 A three-dimensional view of a positioning arc frame structure of a deviation-preventing positioning device for a pile driver for super-thick hard rock according to the present invention;

[0047] Figure 12 A three-dimensional view of a clamping arc plate structure of a deviation-preventing positioning device for a pile driver for super-thick hard rock according to the present invention;

[0048] Figure 13 A three-dimensional view of a self-locking tooth ring structure of a deviation-preventing positioning device for a pile driver for super-thick hard rock according to the present invention;

[0049] Figure 14 A three-dimensional view of a self-locking stand structure of a deviation-preventing positioning device for a pile driver for super-thick hard rock according to the present invention.

[0050] In the figure: 1, pile driver; 11, positioning shell; 2, telescopic motor; 21, telescopic screw rod; 22, connecting sleeve; 23, telescopic sleeve; 3, limiting frame; 31, drill bit; 32, pushing screw rod; 33, pushing frame; 34, pressing frame; 35, pushing spring; 36, support block; 37, deflection connecting rod; 4, lifting motor; 41, rotating rod; 42, connecting gear; 43, connecting electromagnet; 44, transmission tooth ring; 45, drive gear; 46, lifting screw rod; 5, positioning ring groove; 51, positioning screw rod; 52, positioning arc frame; 53, ball; 6, drive frame; 61, transmission sleeve; 62, drive bevel gear; 63, adsorption electromagnet; 64, drive turntable; 65, transmission bevel gear; 66, clamping arc plate; 67, drive tooth ring; 7, self-locking tooth ring; 71, self-locking groove body; 72, adjusting electromagnet; 73, self-locking stand; 74, connecting spring. DETAILED DESCRIPTION

[0051] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, but not all of the embodiments of the present application.

[0052] With reference to Figures 1-14 A kind of anti-deviation positioning device of pile driver for super-thick hard rock, including pile driver 1 and the positioning shell 11 with gyro wheel, it further includes fixed device, lifting device and positioning device installed in positioning shell 11, the gyro wheel of positioning shell 11 is universal wheel, it is adjusted when being convenient for positioning shell to adjust position.

[0053] As Figures 2-6 As shown in order to be fixed between positioning shell 11 and ground quickly, fixed device is located in the inside of positioning shell 11, and is fixed between positioning shell 11 and ground, fixed device includes telescopic mechanism and fixed mechanism, telescopic mechanism includes telescopic sleeve pipe 23, telescopic sleeve pipe 23 is driven fixed mechanism to lift, fixed mechanism includes support block 36, the movement of support block 36 is fixed between telescopic sleeve pipe 23 and ground.

[0054] Specifically, in order to drive telescopic sleeve pipe 23 to lift while rotating, telescopic mechanism further includes telescopic motor 2, telescopic motor 2 is fixedly installed on the inner wall of positioning shell 11, one end of the output shaft of telescopic motor 2 is fixedly installed with telescopic lead screw 21, one telescopic lead screw 21 is driven the remaining telescopic lead screw 21 to rotate by the cooperation of synchronous belt and synchronous pulley, by fixing synchronous pulley on one end of telescopic lead screw 21, synchronous pulley is connected after transmission between synchronous belt, so that the rotation of one telescopic lead screw 21 drives the remaining telescopic lead screw 21 to rotate synchronously and in the same direction, the inner wall of positioning shell 11 is slidably inserted with connecting sleeve pipe 22, the inner wall of connecting sleeve pipe 22 is threadedly connected with the outer surface of telescopic lead screw 21, one end of telescopic sleeve pipe 23 is rotatably connected with the inner wall of connecting sleeve pipe 22 through bearing, and the inner wall of telescopic sleeve pipe 23 is slidably inserted with one end of telescopic lead screw 21.

[0055] Specifically, in order to facilitate the rotation of telescopic sleeve pipe 23 into soil, fixed mechanism further includes limiting frame 3, limiting frame 3 is fixedly installed on one end of telescopic sleeve pipe 23, drill bit 31 is fixedly installed on one end of limiting frame 3, by the rotation of telescopic sleeve pipe 23 while descending, drill bit 31 is driven to rotate into soil, drill bit 31 can break through thick hard rock layer, and facilitate fixation.

[0056] In order to stably fix the drill bit 31, one end of the telescopic screw rod 21 is fixedly installed with a pushing screw rod 32, the thread gap of the pushing screw rod 32 is larger than that of the telescopic screw rod 21, so that the rotating speed of the pushing screw rod 32 is greater than the moving speed of the telescopic sleeve 23, one end of the pushing screw rod 32 is threadedly connected with a pushing frame 33, the inner wall of the telescopic sleeve 23 is slidably inserted with a pressing frame 34, the pressing frame 34 is slidably inserted on the outer surface of the pushing frame 33, in order to facilitate the resetting of the pressing frame 34, the inner wall of the telescopic sleeve 23 is fixedly installed with a pushing spring 35, the pushing spring 35 is sleeved on one end of the pressing frame 34, the inside of the limiting frame 3 is slidably inserted with one end of a supporting block 36, in order to move the supporting block 36, one end of the supporting block 36 is hingedly connected with a deflection connecting rod 37 through a pin shaft, and one end of the deflection connecting rod 37 is hingedly connected with the outer surface of the pressing frame 34 through a pin shaft.

[0057] As shown in Figures 7-8 In order to lift when the positioning device cooperates with the wooden pile or the steel pipe pile to pile, the lifting device is located on the inner wall of the positioning shell 11, and the lifting device comprises a lifting screw rod 46 with a bevel gear, and the rotation of the lifting screw rod 46 drives the positioning device to lift.

[0058] Specifically, in order to drive the lifting screw rod 46 to lift, the lifting device further comprises a lifting motor 4, the lifting motor 4 is fixedly installed on the inner wall of the positioning shell 11, the inner wall of the positioning shell 11 is rotatably connected with a transmission gear ring 44 through a bearing, one end of the output shaft of the lifting motor 4 is fixedly installed with a rotating rod 41 through a shaft coupling, one end of the rotating rod 41 is slidably inserted with a connecting gear 42 with a spring, the two ends of the spring are respectively fixedly installed on the outer surface of the rotating rod 41 and the outer surface of the connecting gear 42, the outer surface of the connecting electromagnet 43 is fixedly installed on the outer surface of the connecting gear 42, the outer surface of the connecting electromagnet 43 is magnetically connected with the outer surface of the connecting gear 42, the connecting gear 42 is engaged with the transmission gear ring 44 to drive the transmission gear ring 44 to rotate, drive a plurality of lifting screw rods 46 to rotate synchronously in the same direction, the inner surface of the positioning shell 11 is rotatably connected with a drive gear 45 through a bearing seat, the drive gear 45 is engaged with the transmission gear ring 44, and the inner wall of the drive gear 45 is threadedly connected with the lifting screw rod 46.

[0059] As shown in Figures 9-14 In order to position the wooden pile or the steel pipe pile, the positioning device is located at one end of the lifting device and positions the wooden pile sleeve which needs to be piled, and the positioning device comprises a positioning mechanism, a driving mechanism and a self-locking mechanism, the positioning mechanism comprises a positioning arc frame 52, the movement of the positioning arc frame 52 clamps the wooden pile sleeve which needs to be piled, the driving mechanism comprises a driving turntable 64 with a gear ring, the rotation of the driving turntable 64 drives the positioning arc frame 52 to move, and the self-locking mechanism comprises a self-locking stand 73 which self-locks the driving turntable 64.

[0060] Specifically, in order to drive the positioning arc frame 52 to move, the positioning mechanism further comprises a positioning ring groove 5, one end of the lifting threaded rod 46 is rotatably connected with the inner wall of the positioning ring groove 5 through a bearing, the inner wall of the positioning ring groove 5 is rotatably connected with a positioning lead screw 51 with bevel gears, in order to drive the positioning lead screw 51 to rotate, the bevel gears of the positioning lead screw 51 are engaged with the bevel gears of the lifting threaded rod 46, one end of the positioning lead screw 51 is threadedly connected with one end of the positioning arc frame 52, one end of the positioning arc frame 52 is slidably inserted with the inner wall of the positioning ring groove 5, and the outer surface of the positioning arc frame 52 is rotatably connected with a ball 53, which facilitates the lowering of the wooden pile and does not affect the positioning of the wooden pile.

[0061] Specifically, in order to automatically limit the lifting threaded rod 46 and change the movement state of the lifting threaded rod 46, the driving mechanism further comprises a driving frame 6, the inner wall of the driving frame 6 is slidably sleeved with one end of the rotating rod 41, the outer surface of the driving frame 6 is rotatably connected with a transmission sleeve 61 through a bearing, the inner wall of the transmission sleeve 61 is slidably inserted with one end of the rotating rod 41, the outer surface of the transmission sleeve 61 is slidably inserted with a driving bevel gear 62 with a return spring, the two ends of the return spring are respectively fixedly installed with the driving bevel gear 62 and the outer surface of the transmission sleeve 61, one end of the transmission sleeve 61 is fixedly installed with an adsorption electromagnet 63, and the outer surface of the adsorption electromagnet 63 is magnetically connected with the outer surface of the driving bevel gear 62.

[0062] Specifically, in order to drive the driving turntable 64 to rotate, the outer side surface of the positioning ring groove 5 is rotatably connected with the outer surface of the driving turntable 64 through a bearing, one end of one driving turntable 64 is fixedly installed with a transmission bevel gear 65, the transmission bevel gear 65 is rotatably connected to the outer surface of the driving frame 6 through a bearing, so that the transmission bevel gear 65 can drive the driving frame 6 to synchronously descend on the rotating rod 41 after the lifting threaded rod 46 descends, the transmission bevel gear 65 is engaged with the driving bevel gear 62, the inner surface of the driving bevel gear 62 is slidably inserted with a clamping arc plate 66, which can limit the clamping arc plate 66, the inner surface of the clamping arc plate 66 is in contact with one end of the lifting threaded rod 46, the clamping of one end of the lifting threaded rod 46 is realized by the relative movement of the clamping arc plate 66, the clamping arc plate 66 is slidably inserted with one end of the driving turntable 64, the outer surface of the positioning ring groove 5 is rotatably connected with a driving gear ring 67 through a bearing, the driving gear ring 67 is engaged with the gear ring of the driving turntable 64, and after the rotation of one driving turntable 64 drives the rotation of the driving gear ring 67, the remaining driving turntables 64 are driven to synchronously rotate in the same direction.

[0063] Specific, in order to drive the turntable 64 self-locking, facilitate the lifting screw rod 46 lifting, self-locking mechanism also includes self-locking gear ring 7, self-locking gear ring 7 is fixedly installed on the upper surface of the drive gear ring 67, positioning ring groove 5 outer surface slidingly inserted with spring self-locking groove 71, both ends of the spring and positioning ring groove 5 and the outer surface of self-locking groove 71 fixedly installed, the outer surface of the positioning ring groove 5 is fixedly installed with the adjusting electromagnet 72, the lower surface of the adjusting electromagnet 72 and the upper surface of the self-locking groove 71 magnetically connected, the inner wall of the self-locking groove 71 and one end of the self-locking column 73 slidingly inserted, the self-locking column 73 is inclined shape, with the inclined surface of the self-locking gear ring 7 opposite, facilitate the self-locking gear ring 7 can rotate in the case of clamping arc plate 66 relative movement, the inner wall of the self-locking groove 71 is fixedly installed with the connecting spring 74, one end of the connecting spring 74 and one end of the self-locking column 73 fixedly installed, the connecting spring 74 facilitates the self-locking column 73 after moving reset, one end of the self-locking column 73 and the inner wall of the self-locking gear ring 7 slidingly inserted.

[0064] As Figures 1-14 The positioning method of the anti-deviation positioning device of the pile driver for super-thick hard rock provided by the application comprises the following steps:

[0065] S1: when positioning the wooden pile or steel pipe pile to be driven by the pile driver 1, the positioning shell 11 is sleeved on the pile head, the lifting motor 4 is started, the connecting electromagnet 43 is powered on, the connecting gear 42 is magnetically connected, the meshing between the connecting gear 42 and the transmission gear ring 44 is disconnected, the lifting motor 4 drives the rotating rod 41 to rotate, drives the transmission sleeve 61 on the driving frame 6 to rotate, drives the driving bevel gear 62 to rotate, drives the transmission bevel gear 65 meshing with the driving bevel gear 62 to rotate, drives the driving turntable 64 to rotate, the rotation of the driving turntable 64 drives other driving turntables 64 to rotate synchronously through the rotation of the driving gear ring 67, drives the two opposite clamping arc plates 66 to move in opposite directions, and releases the fixed limiting of the lifting screw rod 46;

[0066] S2: After the adsorption electromagnet 63 is powered on, the driving bevel gear 62 is adsorbed, the reset spring on the driving bevel gear 62 is compressed, the meshing between the driving bevel gear 62 and the transmission bevel gear 65 is released, after the connecting electromagnet 43 is powered off, the connecting gear 42 meshes with the transmission gear ring 44, the starting of the lifting motor 4 drives the connecting gear 42 to rotate, drives the transmission gear ring 44 to rotate, drives the driving gear 45 on the inner surface of the positioning shell 11 to rotate, drives the lifting threaded rod 46 to rotate synchronously, after the bevel gears on the lifting threaded rod 46 mesh with the bevel gears on the positioning lead screw 51, drives the positioning lead screw 51 to rotate, drives the positioning arc support 52 to approach the pile head to be clamped, adjusts the position of the positioning shell 11, the rollers on the positioning shell 11 facilitate the adjustment of the position of the positioning shell 11, keeps the axis of the positioning shell 11 and the axis of the pile head on the same line;

[0067] S3: After the connecting electromagnet 43 is powered on, the adsorption electromagnet 63 is powered off, the driving bevel gear 62 is reset under the action of the reset spring, meshes with the transmission bevel gear 65 again, drives the transmission bevel gear 65 to rotate, thereby drives the driving turntable 64 to rotate, drives the clamping arc plate 66 to move relatively, clamps and limits the lifting threaded rod 46, after the adjusting electromagnet 72 on the positioning ring groove 5 is powered off, the self-locking column 73 on the self-locking groove body 71 is inserted on the self-locking gear ring 7, limits the driving gear ring 67, prevents the driving gear ring 67 from rotating, so that the lifting threaded rod 46 cannot rotate;

[0068] S4: After the lifting motor 4 is started, the telescopic lead screw 21 rotates, drives the connecting sleeve 22 to descend, drives the telescopic sleeve 23 to descend synchronously, after the telescopic sleeve 23 and the telescopic lead screw 21 are slidingly inserted, drives the telescopic sleeve 23 to rotate, drives the drill bit 31 to rotate through the limiting frame 3, drills the super-thick hard rock ground, after the telescopic sleeve 23 is drilled into the soil, the rotation of the telescopic lead screw 21 drives the pushing lead screw 32 to rotate, the pushing lead screw 32 drives the pushing frame 33 to descend on the pressing frame 34, presses the pressing frame 34, the pressing frame 34 descends, the compression of the pushing spring 35, the pressing frame 34 pushes the support block 36 to move outward through the deflection connecting rod 37, and expands in the soil;

[0069] S5: After the positioning shell 11 is fixed, the pile head of the pile driver 1 is raised, the wood pile or steel pipe pile to be fixed is inserted in the center of the positioning shell 11, the rotation of the driving lifting threaded rod 46 drives the rotation of the positioning lead screw 51, the positioning arc support 52 clamps and positions the wood pile, the descent of the pile head facilitates the descent of the wood pile or steel pipe pile through the ball 53 on the positioning arc support 52.

[0070] The above merely describes preferred specific embodiments of the present application, but the protection scope of the present application is not limited thereto, and any person skilled in the art, according to the technical solution and inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A deviation-preventing positioning device for a pile driver for super-thick hard rock, comprising a pile driver (1) and a positioning housing (11) with rollers, characterized in that: The fixing device is located inside the positioning shell (11) and fixes the positioning shell (11) and the ground, the fixing device comprises a telescopic mechanism and a fixing mechanism, the telescopic mechanism comprises a telescopic sleeve (23), the telescopic sleeve (23) drives the fixing mechanism to ascend and descend, the fixing mechanism comprises a supporting block (36), and the movement of the supporting block (36) fixes the telescopic sleeve (23) and the ground; The lifting device is located on the inner wall of the positioning shell (11), and the lifting device comprises a lifting screw rod (46) with a bevel gear, the rotation of the lifting screw rod (46) drives the positioning device to ascend and descend; The positioning device is located at one end of the lifting device and positions the wood pile sleeve that needs to be piled, the positioning device comprises a positioning mechanism, a driving mechanism and a self-locking mechanism, the positioning mechanism comprises a positioning arc frame (52), the movement of the positioning arc frame (52) clamps the wood pile sleeve that needs to be piled, the driving mechanism comprises a driving turntable (64) with a gear ring, the rotation of the driving turntable (64) drives the positioning arc frame (52) to move, and the self-locking mechanism comprises a self-locking stand (73) that self-locks the driving turntable (64); The lifting device further comprises a lifting motor (4), the lifting motor (4) is fixedly installed on the inner wall of the positioning shell (11), the inner wall of the positioning shell (11) is rotationally connected with a transmission gear ring (44) through a bearing, one end of the output shaft of the lifting motor (4) is fixedly installed with a rotating rod (41) through a shaft coupling, one end of the rotating rod (41) is slidably inserted with a connecting gear (42) with a spring, the outer surface of the rotating rod (41) is fixedly installed with a connecting electromagnet (43), the outer surface of the connecting electromagnet (43) is magnetically connected with the outer surface of the connecting gear (42), the connecting gear (42) drives the transmission gear ring (44) to rotate after being engaged with the transmission gear ring (44), the inner surface of the positioning shell (11) is rotationally connected with a driving gear (45) through a bearing seat, the driving gear (45) is engaged with the transmission gear ring (44), and the inner wall of the driving gear (45) is threadedly connected with the lifting screw rod (46); The positioning mechanism further comprises a positioning ring groove (5), one end of the lifting screw rod (46) is rotationally connected with the inner wall of the positioning ring groove (5) through a bearing, the inner wall of the positioning ring groove (5) is rotationally connected with a positioning lead screw (51) with a bevel gear, the bevel gear of the positioning lead screw (51) is engaged with the bevel gear of the lifting screw rod (46), one end of the positioning lead screw (51) is threadedly connected with one end of the positioning arc frame (52), one end of the positioning arc frame (52) is slidably inserted with the inner wall of the positioning ring groove (5), and the outer surface of the positioning arc frame (52) is rotationally connected with a ball (53); ​ The driving mechanism further comprises a driving frame (6), an inner wall of the driving frame (6) is sleeved with one end of the rotating rod (41), an outer surface of the driving frame (6) is rotatably connected with a transmission sleeve (61) through a bearing, an inner wall of the transmission sleeve (61) is slidably sleeved with one end of the rotating rod (41), an outer surface of the transmission sleeve (61) is slidably sleeved with a driving bevel gear (62) with a return spring, one end of the transmission sleeve (61) is fixedly installed with an adsorption electromagnet (63), an outer surface of the adsorption electromagnet (63) is magnetically connected with an outer surface of the driving bevel gear (62). An outer side surface of the positioning ring groove (5) is rotatably connected with an outer surface of the driving turntable (64) through a bearing, one end of one driving turntable (64) is fixedly installed with a transmission bevel gear (65), the transmission bevel gear (65) is rotatably connected with an outer surface of the driving frame (6) through a bearing, the transmission bevel gear (65) is engaged with the driving bevel gear (62), an inner wall of the positioning ring groove (5) is slidably sleeved with a clamping arc plate (66), an inner surface of the clamping arc plate (66) is in contact with one end of the lifting threaded rod (46), one end of the clamping arc plate (66) is slidably sleeved with an arc-shaped groove inner wall of the driving turntable (64), an outer surface of the positioning ring groove (5) is rotatably connected with a driving gear ring (67) through a bearing, the driving gear ring (67) is engaged with a gear ring of the driving turntable (64).

2. The anti-deviation positioning device of a pile driver for super-thick hard rock according to claim 1, characterized in that: The telescopic mechanism further comprises a telescopic motor (2), the telescopic motor (2) is fixedly installed on an inner wall of the positioning shell (11), one end of an output shaft of the telescopic motor (2) is fixedly installed with a telescopic lead screw (21), one telescopic lead screw (21) drives the rest telescopic lead screws (21) to rotate through the cooperation of a synchronous belt and a synchronous wheel, an inner wall of the positioning shell (11) is slidably sleeved with a connecting sleeve (22), an inner wall of the connecting sleeve (22) is threadedly connected with an outer surface of the telescopic lead screw (21), one end of a telescopic sleeve (23) is rotatably connected with the inner wall of the connecting sleeve (22) through a bearing, an inner wall of the telescopic sleeve (23) is slidably sleeved with one end of the telescopic lead screw (21).

3. The anti-derailment positioning device of a pile driver for super-thick hard rock according to claim 2, characterized in that: The fixing mechanism further comprises a limiting frame (3), the limiting frame (3) is fixedly installed on one end of the telescopic sleeve (23), one end of the limiting frame (3) is fixedly installed with a drill bit (31).

4. The anti-derailment positioning device of a pile driver for super-thick hard rock according to claim 3, characterized in that: One end of the telescopic screw rod (21) is fixedly installed with a pushing screw rod (32), one end of the pushing screw rod (32) is threadedly connected with a pushing frame (33), the inner wall of the telescopic sleeve (23) is slidably inserted with a pressing frame (34), the pressing frame (34) is slidably inserted on the outer surface of the pushing frame (33), the inner wall of the telescopic sleeve (23) is fixedly installed with a pushing spring (35), one end of the pushing spring (35) is sleeved on the pressing frame (34), the inside of the limiting frame (3) is slidably inserted with one end of the supporting block (36), one end of the supporting block (36) is hingedly connected with a deflection connecting rod (37) through a pin shaft, one end of the deflection connecting rod (37) is hingedly connected with the outer surface of the pressing frame (34) through a pin shaft.

5. The anti-derailment positioning device of a pile driver for super-thick hard rock according to claim 4, characterized in that: The self-locking mechanism further comprises a self-locking gear ring (7) fixedly installed on the upper surface of the driving gear ring (67), the outer surface of the positioning ring groove (5) is slidably inserted with a self-locking groove body (71) with a spring, the outer surface of the positioning ring groove (5) is fixedly installed with an adjusting electromagnet (72), the lower surface of the adjusting electromagnet (72) is magnetically connected with the upper surface of the self-locking groove body (71), the inner wall of the self-locking groove body (71) is slidably inserted with one end of the self-locking stand (73), the inner wall of the self-locking groove body (71) is fixedly installed with a connecting spring (74), one end of the connecting spring (74) is fixedly installed with one end of the self-locking stand (73), one end of the self-locking stand (73) is slidably inserted with the inner wall of the self-locking gear ring (7).

6. A positioning method of the anti-deviation positioning device of the pile driver for super-thick hard rock, using the anti-deviation positioning device of the pile driver for super-thick hard rock according to claim 5, characterized in that: S1: when the wooden pile or steel pipe pile needs to be positioned, the positioning shell (11) is sleeved on the pile head, the lifting motor (4) is started, the connecting electromagnet (43) is energized, the connecting gear (42) is magnetically connected, the meshing between the connecting gear (42) and the transmission gear ring (44) is disconnected, the lifting motor (4) drives the rotating rod (41) to rotate, the transmission sleeve (61) on the driving frame (6) is driven to rotate, the driving bevel gear (62) is driven to rotate, the transmission bevel gear (65) meshing with the driving bevel gear (62) is driven to rotate, the driving turntable (64) is driven to rotate, the rotation of the driving turntable (64) drives the other driving turntables (64) to rotate synchronously through the rotation of the driving gear ring (67), the two opposite clamping arc plates (66) are driven to move oppositely, and the fixed limiting of the lifting threaded rod (46) is released. S2: After the adsorption electromagnet (63) is powered on, the driving bevel gear (62) is adsorbed, the reset spring on the driving bevel gear (62) is compressed, the meshing between the driving bevel gear (62) and the transmission bevel gear (65) is released, the connecting gear (42) is meshed with the transmission gear ring (44) after the connecting electromagnet (43) is powered off, the driving of the lifting motor (4) drives the connecting gear (42) to rotate, drives the transmission gear ring (44) to rotate, drives the driving gear (45) on the inner surface of the positioning shell (11) to rotate, drives the lifting threaded rod (46) to rotate synchronously, the bevel gears on the lifting threaded rod (46) and the bevel gears on the positioning lead screw (51) are meshed to drive the positioning lead screw (51) to rotate, the positioning arc support (52) is close to the pile head to be clamped, the position of the positioning shell (11) is adjusted, the roller on the positioning shell (11) is convenient for adjusting the position of the positioning shell (11), the axis of the positioning shell (11) and the axis of the pile head are kept on the same line; S3: After the connecting electromagnet (43) is powered on, the adsorption electromagnet (63) is powered off, the driving bevel gear (62) is reset under the action of the reset spring, is meshed with the transmission bevel gear (65) again, drives the transmission bevel gear (65) to rotate, drives the driving turntable (64) to rotate, drives the clamping arc plate (66) to move relatively, clamps and limits the lifting threaded rod (46), the adjusting electromagnet (72) on the positioning ring groove (5) is powered off, the self-locking column (73) on the self-locking groove body (71) is inserted on the self-locking gear ring (7), the driving gear ring (67) is limited, the driving gear ring (67) is prevented from rotating, the lifting threaded rod (46) cannot rotate; S4: After the extension motor (2) is started, the extension lead screw (21) is driven to rotate, the extension lead screw (21) drives the connecting sleeve (22) to descend, drives the extension sleeve (23) to descend synchronously, the extension sleeve (23) and the extension lead screw (21) are slidingly inserted, drives the extension sleeve (23) to rotate, drives the drill bit (31) to rotate through the limiting frame (3), drills holes in the ground, drives the extension sleeve (23) to drill into the soil, the extension lead screw (21) rotates, drives the pushing lead screw (32) to rotate, the pushing lead screw (32) drives the pushing frame (33) to descend on the pressing frame (34), presses the pressing frame (34), the pressing frame (34) descends, the compression spring (35) is compressed, the pressing frame (34) drives the supporting block (36) to move outward through the deflection connecting rod (37), and the supporting block (36) is expanded in the soil. S5: after the positioning shell (11) is fixed, the pile driver (1) is raised, the wood pile or steel pipe pile to be fixed is inserted into the center of the positioning shell (11), the rotation of the lifting screw rod (46) is driven to drive the rotation of the positioning screw rod (51), the positioning arc frame (52) clamps and positions the wood pile, and the pile driver is lowered, so that the wood pile or steel pipe pile is lowered through the ball (53) on the positioning arc frame (52).

Citation Information

Patent Citations

  • Self-propelled green protection garden tree pile driver

    CN117266150A

  • Construction method for variable-diameter super-long pile foundation in river wetland natural reserve

    CN118581892A