CN220977999U - Anti-slide pile device of pile driver - Google Patents

Abstract

The utility model relates to an anti-slide pile device of a pile driver, which comprises: the clamping seat can move towards the clamping position to clamp the tubular pile and comprises a first inclined surface facing the clamping position, and the first inclined surface inclines downwards and faces the clamping position; a movable seat slidably mounted on the clamping seat; the movable seat comprises a second inclined plane which is in sliding fit with the first inclined plane; the speed limiting wheel is rotatably arranged on the movable seat, and the periphery of the speed limiting wheel is abutted against the tubular pile; the speed limiting wheel is provided with a speed limiting structure, and the speed limiting structure limits the rotation of the speed limiting wheel when the speed limiting wheel reaches a preset rotating speed; when the pile is slipped, the tubular pile drives the speed limiting wheel to rotate to a preset rotating speed in an accelerating way, rolling friction between the tubular pile and the speed limiting wheel is changed into sliding friction, and then the tubular pile drives the clamping seat to move along the inclined direction of the first inclined plane through the speed limiting wheel so as to clamp the tubular pile. The pile sliding preventing device has short response time, can clamp the pipe pile by action at the initial stage of pile sliding, prevents pile sliding distance from expanding, and has better safety.

Description

Anti-slide pile device of pile driver

Technical Field

The utility model relates to the technical field of pipe pile construction, in particular to an anti-slip pile device of a pile driver.

Background

In the pile driving process, the pipe pile can be separated from the pile driver to cause pile sliding accidents, and damage is caused to the pile body and surrounding equipment. The existing pile slipping preventing device generally uses a steel wire rope to connect a pipe pile and a winch, and the winch brakes after pile slipping occurs. However, the anti-slip pile device has long response time, and particularly when the slip pile distance is too large, the rapidly-falling pipe pile can cause the stress on the steel wire rope to exceed the limit in the braking process, so that the steel wire rope is broken, and the safety accident is caused.

Disclosure of utility model

The utility model provides a pile slipping preventing device of a pile driver, which is used for preventing pile slipping accidents during pile driving operation.

The utility model provides an anti-slide pile device of a pile driver, which comprises: the clamping seat can move towards the clamping position to clamp the tubular pile and comprises a first inclined surface facing the clamping position, and the first inclined surface inclines downwards and faces the clamping position; a movable seat slidably mounted on the clamping seat; the movable seat comprises a second inclined plane which is in sliding fit with the first inclined plane; the speed limiting wheel is rotatably arranged on the movable seat, and the periphery of the speed limiting wheel is abutted against the tubular pile; the speed limiting wheel is provided with a speed limiting structure, and the speed limiting structure limits the rotation of the speed limiting wheel when the speed limiting wheel reaches a preset rotating speed; when the pile is slipped, the tubular pile drives the speed limiting wheel to rotate to a preset rotating speed in an accelerating way, rolling friction between the tubular pile and the speed limiting wheel is changed into sliding friction, and then the tubular pile drives the clamping seat to move along the inclined direction of the first inclined plane through the speed limiting wheel so as to clamp the tubular pile.

In one embodiment, the anti-slip pile device further comprises a braking member arranged on the side of the movable seat facing the clamping position.

In one embodiment, the brake includes an arcuate clamping portion having an inner diameter matching an outer diameter of the tube stake.

In one embodiment, a first elastic member is disposed between the movable seat and the clamping seat, and the first elastic member applies an upward elastic force to the movable seat.

In one embodiment, the anti-slip pile device further comprises a pressure sensor arranged on the movable seat, and a measuring end of the pressure sensor is abutted against the pipe pile to detect the clamping force of the clamping seat on the pipe pile.

In one embodiment, a first proximity switch is arranged above the clamping seat to detect the distance between the pile hammer of the pile driver and the clamping seat; the first proximity switch is in signal connection with a driving mechanism of the clamping seat so as to control the clamping seat to clamp or loosen.

In one embodiment, a second proximity switch is arranged below the first proximity switch, and the second proximity switch is used for detecting the position of the pipe pile; the second proximity switch is in signal connection with a driving mechanism of the clamping seat so as to control the clamping seat to clamp or unclamp.

In one embodiment, the anti-slip pile device further comprises a fixed seat, and the clamping seat is slidably arranged on the fixed seat; the clamping seat is further provided with a limiting through hole extending along the sliding direction, the fixing seat is further provided with a limiting rod extending along the sliding direction, the limiting through hole is sleeved on the limiting rod, and the clamping seat can slide along the sliding direction relative to the limiting rod.

In one embodiment, the speed limiting structure includes a ratchet and a linkage rod; the speed limiting wheel is rotatably arranged on the movable seat through a rotating shaft, and the rotating shaft is fixedly connected with the movable seat; the ratchet wheel is fixed on the periphery of the rotating shaft; the linkage rod is hinged to one side of the speed limiting wheel, and the two extending ends of the linkage rod are respectively provided with a balancing weight and a pawl; in the initial state, the pawl and the ratchet wheel are separated from each other; when the speed limiting wheel reaches a preset rotating speed, the balancing weight moves away from the ratchet wheel under the action of centrifugal force, and the pawl is clamped into the ratchet wheel and is in limit fit.

In one embodiment, the speed limiting structure further comprises a second elastic piece, wherein the second elastic piece is elastically arranged between the speed limiting wheel and the linkage rod, and the second elastic piece applies elastic acting force to the pawl in a direction away from the ratchet wheel.

Compared with the prior art, the utility model has the advantages that when piling is carried out, the two clamping seats move towards the clamping position to clamp the pipe pile, after the clamping seats move to the working position, the upper speed limiting wheel of the movable seat is abutted against the outer wall of the pipe pile, and when the pipe pile moves downwards, the speed limiting wheel rotates along with the pipe pile, rolling friction is adopted between the upper speed limiting wheel and the lower speed limiting wheel, and the clamping seats and the movable seat do not limit the downward movement of the pipe pile; when the slide pile event happens, the pipe pile rapidly moves downwards, the speed limiting wheels are driven to rotate in an accelerating mode and instantly reach a preset rotating speed, the speed limiting structure is triggered to start to lock the speed limiting wheels and can not continue to rotate, then the speed limiting wheels and the pipe pile are converted into sliding friction, the pipe pile drives the sliding seat to move along the inclined direction of the first inclined plane through the speed limiting wheels, the pipe pile stops falling based on the fact that the first inclined plane is inclined downwards and towards the clamping position, the sliding seat moves along the inclined direction of the first inclined plane, the two speed limiting wheels move towards the clamping position, the pipe pile is clamped, friction between the pipe pile and the idler wheels is increased, and the pipe pile stops falling. In summary, the anti-slide pile device has short response time, can clamp the pipe pile by acting at the initial stage of pile sliding, prevents the pile sliding distance from expanding, and has better safety.

Drawings

The utility model will be described in more detail hereinafter on the basis of embodiments and with reference to the accompanying drawings.

FIG. 1 is a block diagram of a slide-preventing pile assembly of a pile driver in accordance with an embodiment of the present utility model;

FIG. 2 is a diagram showing the connection relationship between a fixing base and a clamping base according to an embodiment of the present utility model;

FIG. 3 is a block diagram of a clamping seat in an embodiment of the utility model;

FIG. 4 is a schematic cross-sectional view of a pile assembly according to an embodiment of the present utility model;

Fig. 5 is a block diagram of a speed limiting wheel in an embodiment of the utility model.

Reference numerals:

1. A pile frame; 2. a tubular pile; 3. a fixing seat; 4. a clamping seat; 5. an arc-shaped groove; 6. a connecting seat; 7. a hydraulic cylinder; 8. a speed limiting wheel; 9. a ratchet wheel; 10. a linkage rod; 11. balancing weight; 12. a pawl; 13. a tension spring; 14. a movable seat; 15. a bevel edge; 16. a chute; 17. a compression spring; 18. a brake plate; 19. a pressure sensor; 20. a display lamp; 21. a chute; 22. a slide block; 23. a limit rod; 24. a first proximity switch; 25. a second proximity switch; 26. limiting through holes; 27. a first inclined surface; 28. and a second inclined plane.

Detailed Description

The utility model will be further described with reference to the accompanying drawings.

In the prior art, in the process of lifting or stabilizing the pile, the pile possibly breaks away from a fixed pile cap of the pile driver to cause pile sliding accidents, damage to a pile body and surrounding equipment, influence on smooth construction, and even possibly cause larger safety accidents.

In view of this, the utility model provides a slide-proof pile device of a pile driver, which limits a pile 2, a speed limiting wheel 8 below a pile hammer keeps abutting against the pile 2, when a slide pile accident occurs, a clamping seat 4 can prevent the pile 2 from toppling over, the speed limiting wheel 8 rotating at a high speed triggers a stalling state, the falling motion of the pile 2 is stopped through the friction force action between the speed limiting wheels 8 triggering the stalling state and the pile 2, the limiting fixation of the pile 2 is realized, the damage to a pile body, the pile driver and surrounding equipment caused by the pile 2 falling at a high speed is avoided, the safety of the pile driver during construction is improved, the influence on the construction progress is reduced, and the larger safety accident caused by the toppling over of the pile is prevented.

Referring to fig. 1, 2 and 4, specifically, an anti-slip pile device of a pile driver provided in this embodiment includes: pile frame 1, fixing base 3, grip slipper 4, connecting seat 6, pneumatic cylinder 7, speed limit wheel 8, movable seat 14, compression spring 17, braking plate 18, pressure sensor 19, display lamp 20, gag lever post 23, first proximity switch 24 and second proximity switch 25. Pile frame 1 is the hoist and mount vertical boom of pile driver, and one side of pile frame 1 is provided with tubular pile 2, and the outer wall of pile frame 1 is close to one side of tubular pile 2 and is provided with fixing base 3, and slidable mounting has grip slipper 4 on the fixing base 3, and grip slipper 4 is used for centre gripping tubular pile 2, sets up two grip slipper 4 in this embodiment, forms the clamping position between two grip slipper 4, and two grip slipper 4 can move to the clamping position in opposite directions in order to press from both sides tight tubular pile 2.

Of course, in other embodiments, one or more clamping seats 4 may be provided, and when one clamping seat 4 is provided, the opposite side thereof may be provided with other types of clamping devices to be matched with; when the clamping seats 4 are arranged in a plurality, the clamping seats 4 uniformly encircle the periphery of the clamping positions, and the clamping positions can move towards the clamping positions to clamp the tubular pile 2.

Referring to fig. 2, two clamping holders 4 are slidably mounted on the fixing base 3, and each clamping holder 4 is correspondingly connected with a hydraulic cylinder 7 to be matched with the fixing base, and the hydraulic cylinders 7 drive the two clamping holders 4 to move oppositely or away from each other through hydraulic rods. Of course, in some embodiments, the clamping seat 4 may be driven by a rack and pinion mechanism, a motor, or the like.

Referring to fig. 2 and 3, the upper and lower end surfaces of the clamping seat 4 are respectively provided with a strip-shaped sliding block 22, the fixed seat 3 is provided with two long sliding grooves 21 in sliding fit with the sliding blocks 22, the extending direction of the sliding grooves 21 is the clamping direction of the clamping seat 4, and the sliding blocks 22 are arranged in the sliding grooves 21 to limit the clamping seat 4 to be matched with the fixed seat 3 in directions other than the clamping direction, so that the stability of the clamping seat 4 is ensured when a pile sliding event occurs. The clamping direction is the sliding direction of the clamping seat.

With reference to fig. 3, further, two limiting through holes 26 penetrating along the clamping direction are further formed in the clamping seat 4, two limiting rods 23 extending along the clamping direction are arranged on the fixing seat 3, the clamping seat 4 is sleeved on the limiting rods 23 through the limiting through holes 26, the clamping seat 4 can slide relative to the limiting rods 23 in the clamping direction, and the limiting rods 23 limit the clamping seat 4 in directions other than the clamping direction, so that the stability and the impact resistance of the clamping seat 4 are further improved; preferably, the inner diameter of the limit through hole 26 is equal to or slightly larger than the outer diameter of the limit lever 23.

With reference to fig. 1 and 2, two extending ends of the fixing base 3 are provided with connecting seat mounting positions, two connecting seat mounting positions are respectively fixedly provided with a connecting seat 6 and are locked through a bolt lock, one sides of the two connecting seats 6, which are close to each other, are respectively fixedly connected with a hydraulic cylinder 7, one sides of the hydraulic cylinders 7, which are close to each other, are fixedly connected with the clamping seat 4 through a hydraulic rod, and the hydraulic cylinders 7 drive the clamping seat 4 to move along the clamping direction.

Further, referring to fig. 4, the opposite sides of the two clamping seats 4 are provided with inclined slots 16, the movable seat 14 is provided with inclined edges 15, the inclined edges 15 are connected with the inclined slots 16 in a matching manner, the bottom of the movable seat 14 is provided with compression springs 17, the compression springs 17 give upward elasticity to the movable seat 14, the compression springs 17 are fixedly connected with the clamping seats 4, the opposite sides of the two clamping seats 4 are provided with braking plates 18, and the braking plates 18 are used for braking with the pipe pile 2 through friction force when a pile sliding accident occurs; specifically, the chute 16 comprises a first inclined surface 27 facing the clamping position, the first inclined surface 27 being inclined in a direction downwards and facing the clamping position; the ramp 15 includes a second ramp 28, the second ramp 28 being opposite and in sliding engagement with the first ramp 27.

Further, referring to fig. 3 and 4, the chute 16 is a T-shaped slot, the movable seat 14 is a T-shaped slider, and the movable seat 14 is in limit fit with the clamping seat 4 in the clamping direction.

Referring to fig. 1 and 2, two opposite sides of the two movable seats 14 are respectively provided with a speed limiting wheel 8, and the periphery of the speed limiting wheel 8 is abutted against the outer wall of the tubular pile 2 positioned on the clamping position; the speed limiting wheel 8 is provided with a speed limiting structure, and the speed limiting structure limits the rotation of the speed limiting wheel 8 when the speed limiting wheel 8 reaches a preset rotating speed; when a pile slides, the pipe pile 2 rapidly drops to drive the speed limiting wheel 8 to rotate at a preset rotating speed, rolling friction between the pipe pile 2 and the speed limiting wheel 8 is changed into sliding friction, and then the pipe pile 2 drives the speed limiting wheel 8 to move along the inclined direction of the first inclined plane 27 so as to clamp the pipe pile.

In some embodiments the outer peripheral surface of the speed limiting wheel 8 is provided with an elastic anti-slip layer, which may be made of rubber or the like, the outer peripheral surface of which is etched with anti-slip grooves or provided with anti-slip protrusions.

In some embodiments, the speed limiting structure includes a speed sensor and a braking structure, where the speed sensor is in signal connection with the braking structure, and when the speed of the speed limiting wheel 8 exceeds a preset speed, the speed sensor triggers the braking structure, and the braking structure may be any known mechanical structure, which is not limited herein.

According to the anti-slip pile device, through the cooperation among the clamping seat 4, the movable seat 14, the inclined edges 15 and the inclined grooves 16, the limiting movement of the movable seat 14 in the clamping seat 4 is realized, due to the inclined arrangement of the first inclined surface 27, the bottom of the inclined groove 16 is closer to the pipe pile 2 than the top of the inclined groove 16, when the movable seat 14 moves downwards, the distance between the two movable seats 14 is enabled to be closer, the clamping force on the pipe pile 2 is higher, the compression spring 17 gives the upward elastic force to the movable seat 14, and when no slip pile accident occurs, the bottom of the movable seat 14 is kept away from the clamping seat 4.

With reference to fig. 3, a brake plate 18 is respectively arranged on one side of the two movable seats 14 opposite to each other, the brake plate 18 can move up and down along with the movable seats 14 relative to the clamping seat 4, friction braking between the brake plate 18 and the pipe pile 2 is performed when a pile sliding accident occurs, through cooperation among the clamping seat 4, the speed limiting wheel 8, the movable seats 14, the inclined edges 15, the inclined grooves 16, the compression springs 17 and the brake plate 18, when the pile sliding accident occurs, the speed limiting wheel 8 triggers a stall state, the pipe pile 2 applies downward force to the speed limiting wheel 8 and the movable seats 14, the movable seats 14 move downwards in the inclined grooves 16, the distance between the two movable seats 14 is reduced, pressure is applied to two sides of the pipe pile 2 through the brake plate 18, friction force between the brake plate 18 and the pipe pile 2 is improved, fixing effect of the pile sliding prevention device on the pipe pile 2 is further improved, meanwhile, a certain buffer is provided for the pile sliding prevention device through movement of the movable seats 14 in the clamping seat 4, and safety of the pile sliding prevention device is improved; in this embodiment, the speed limiting wheel 8 and the brake plate 18 brake the pipe pile 2 simultaneously, providing double protection. The compression spring 17 is the first elastic member of the present utility model. The brake plate 18 is a brake of the present utility model.

In combination with fig. 2 and 3, the opposite sides of the two clamping holders 4 which are oppositely arranged are respectively provided with an arc-shaped groove 5, the outer circumferential wall of the braking plate 18 is in clearance fit with the inner circumferential wall of the arc-shaped groove 5, the inner circumferential wall of the braking plate 18 is abutted against the outer wall of the pipe pile 2, and the inner diameter of the braking plate 18 is matched with the outer diameter of the pipe pile 2, which is specifically shown as that the inner diameter of the braking plate 18 is equal to or slightly larger than the outer diameter of the pipe pile 2, preferably equal to the outer diameter of the pipe pile 2, in order to ensure that the braking plate 18 stably clamps the pipe pile 2, the inner circumferential wall of the braking plate 18 can be provided with an anti-slip protrusion, and an anti-slip layer can be sprayed as long as enough friction force is ensured between the braking plate 18 and the pipe pile 2. The brake plate 18 is an arcuate clamping portion of the present utility model.

Referring to fig. 2 to 4, a pressure sensor 19 is disposed in the movable seat 14, a measuring end of the pressure sensor 19 passes through the brake plate 18 and abuts against the outer wall of the pipe pile 2, and a display lamp 20 connected with the pressure sensor in a signal manner is disposed on the outer wall of the connection seat 6, and the display lamp 20 is used for displaying pressure change of the pressure sensor 19; the clamping state of the clamping seat 4 is fed back through the color change of the display lamp 20, so that an operator can conveniently judge the clamping state of the clamping seat 4, stable clamping of the pipe pile 2 by the clamping seat 4 is ensured, the specific types of the pressure sensor 19 and the display lamp 20 are not limited, and the use requirement is met.

With reference to fig. 1, further, a first proximity switch 24 is disposed on the outer wall of the pile frame 1 above the fixing seat 3 or above the clamping seat 4, the first proximity switch 24 is used for detecting the distance between the pile hammer and the clamping seat 4, and the first proximity switch 24 is in signal connection with the hydraulic cylinder 7 to control clamping or loosening of the clamping seat. A second proximity switch 25 is arranged below the first proximity switch 24, and the second proximity switch 25 is used for detecting the position of the pipe pile 2 when the pile driver lifts the pile; the second proximity switch 25 is in signal connection with the hydraulic cylinder 7 to control clamping or loosening of the clamping seat. In a specific implementation process, the first proximity switch 24 is used for sensing the distance between the pile hammer and the anti-slip pile device, after the pile hammer approaches the anti-slip pile device, the first proximity switch 24 controls the corresponding clamping seat 4 to release clamping of the pile 2, so that the anti-slip pile device is prevented from affecting hammering of the pile hammer, the second proximity switch 25 is used for sensing the position of the pile 2 when the pile is lifted by the pile driver, after the pile 2 is lifted in place, the second proximity switch 25 controls the clamping seat 4 to clamp the pile 2, stability after the pile 2 is lifted is guaranteed, specific models of the first proximity switch 24 and the second proximity switch 25 are not limited, and use requirements are met.

Further, with reference to fig. 4 and 5, the speed limiting structure includes a ratchet 9 and a linkage rod 10; the movable seat 14 is fixedly provided with a rotating shaft, and the speed limiting wheel 8 is rotatably arranged on the movable seat 14 through the rotating shaft; the ratchet 9 is fixed on the periphery of the rotating shaft; the linkage rod 10 is hinged on one axial side surface of the speed limiting wheel 8, and the two extending ends of the linkage rod 10 are respectively provided with a balancing weight 11 and a pawl 12; in the initial state, the pawl 12 and the ratchet 9 are separated from each other; when the speed limiting wheel reaches the preset rotating speed, the balancing weight 11 moves away from the ratchet wheel 9 under the action of centrifugal force, the pawl 12 is clamped into the ratchet wheel 9 and is in limit fit, and the speed limiting wheel 8 stops rotating.

With reference to fig. 5, further, the linkage rod 10 includes a first extension section, a second extension section and a third extension section that are connected in a sequentially bent manner, wherein the pawl 12 is located at an extension end of the third extension section, the counterweight 11 is located at an extension end of the first extension section, and a hinge point of the linkage rod 10 and the speed limiting wheel is located at a connection position of the first extension section and the second extension section. The two adjacent extension sections are connected by an obtuse angle.

Further, ratchet wheels 9 are arranged on two axial sides of the speed limiting wheel 8, the ratchet wheels 9 are fixedly connected with a movable seat 14, a plurality of linkage rods 10 are uniformly distributed on the periphery of the rotating shaft, one end, close to a pawl 12, of each linkage rod 10 is connected with a tension spring 13 in a matched mode, the tension springs 13 give tension force to the linkage rods 10, far away from the ratchet wheels 9, and one end, far away from the linkage rods 10, of each tension spring 13 is connected with the speed limiting wheel 8 in a matched mode; the tension spring 13 is a second elastic member of the present utility model.

In some embodiments, the second elastic member may be a torsion spring, which is sleeved on the periphery of the rotating shaft, one end of the torsion spring is fixedly connected with the rotating shaft or the speed limiting wheel, the other end of the torsion spring is connected with the linkage rod 10, and the torsion spring applies elastic acting force to the linkage rod 10 away from the ratchet 9.

During operation, after the pipe pile 2 is lifted, the two clamping seats 4 are moved towards the directions close to each other through the control hydraulic cylinder 7, the pipe pile 2 is limited through the two clamping seats 4, stability after the pipe pile 2 is lifted is improved, the fixing of the speed limiting wheel 8 at the top of the clamping seat 4 is achieved through the cooperation between the clamping seats 4, the movable seat 14 and the speed limiting wheel 8, after the pipe pile 2 is lifted, the speed limiting wheel 8 keeps contact with the pipe pile 2, when the pipe pile 2 moves downwards, the speed limiting wheel 8 rotates along with the pipe pile 2, the tension spring 13 gives the linkage rod 10 a pulling force away from the ratchet wheel 9, when the pipe pile 2 moves downwards, through the cooperation between the speed limiting wheel 8, the ratchet wheel 9, the linkage rod 10, the balancing weight 11, the pawl 12, the tension spring 13 and the movable seat 14, the pile driver is in a separated state under the action of the tension spring 13, the speed limiting wheel 8 is in a normal rotating state, the rotation of the speed limiting wheel 8 is not limited, when a pile accident occurs, the downward pipe pile 2 drives the speed limiting wheel 8 to rotate at a high speed to reach a preset rotating speed, the action of the centrifugal weight 11 is stopped, the ratchet wheel 8 moves away from the ratchet wheel 9, and the ratchet wheel 8 moves away from the other end of the ratchet wheel 9, and the rotation is limited by the ratchet wheel 8, and the rotation of the ratchet wheel is stopped, under the action of the ratchet wheel is kept.

Specifically, when the anti-slip pile device is used in the pile driving process, after the pile driver lifts the pipe pile 2, the second proximity switch 25 controls the hydraulic cylinder 7 to push the clamping seat 4 to move towards the direction close to each other after sensing the lifting position of the pipe pile 2, when the pressure sensor 19 senses the pressure change, the driving of the hydraulic cylinder 7 is stopped, at the moment, the clamping seat 4 limits the pipe pile 2, the speed limiting wheel 8 is kept tightly abutted against the pipe pile 2, the limit condition of the clamping seat 4 on the pipe pile 2 is judged through the color change of the display lamp 20, pile driving construction can be carried out after the limit of the two sets of anti-slip pile devices on the pipe pile 2 is completed, along with the knocking of the pile hammer on the pipe pile 2, the pipe pile 2 moves downwards orderly, the rotating speed of the speed limiting wheel 8 is driven to be insufficient to trigger the limit of the ratchet wheel 12 on the limit of the ratchet wheel 9, the speed limiting wheel 8 is in a normal rotation state and does not form resistance to the downward movement of the tubular pile 2, the first proximity switch 24 senses the approaching condition of the tubular pile in the downward movement process of the tubular pile, when the first proximity switch 24 senses the approaching condition of the tubular pile, the hydraulic cylinder 7 of the corresponding clamping seat is controlled, the limit of the clamping seat 4 to the tubular pile 2 is released, the tubular pile 2 is convenient for the tubular pile to continuously strike and move, when a pile sliding accident occurs, the falling tubular pile 2 drives the speed limiting wheel 8 to rotate at a high speed, the balancing weight 11 moves in a direction away from the ratchet wheel 9 under the action of centrifugal force, the pawl 12 at the other end of the linkage rod 10 is clamped into the ratchet wheel 9 to stop the rotation of the speed limiting wheel 8, the movable seat 14 moves downward in the chute 16 due to a certain friction force between the stalled tubular pile 2, the compression spring 17 is compressed, and the distance between the two movable seats 14 is reduced, the pressure of the brake plates 18 on the two sides of the pipe pile 2 is increased, the friction force between the brake plates 18 and the pipe pile 2 is increased, the pipe pile 2 is clamped, and the falling of the pipe pile 2 is stopped through the combined action of the speed limiting wheel 8 and the two groups of anti-slip pile devices of the brake plates 18, so that the stability of the pipe pile 2 is maintained.

In this embodiment, the specific model of the hydraulic cylinder 7 is not limited, and may meet the use requirement. In this embodiment, all the electrical components are connected with the power supply adapted to the electrical components through wires, and a suitable controller and encoder should be selected according to practical situations to meet the control requirements, and the connection means between the electrical components are known in the art and will not be described in detail.

According to the anti-slip pile device, the pile 2 can be prevented from toppling or slipping in the pile driving or hoisting operation process, the pile 2 is clamped by triggering the speed limiting wheel 8 to stop rotating and form sliding friction with the pile 2, the falling motion of the pile 2 is stopped, the limiting fixation of the pile 2 is realized, the pile 2 falling at a high speed is prevented from damaging a pile body, a pile driver and surrounding equipment, the safety of the pile driver during construction is improved, and the influence on the construction progress or larger safety accidents caused by toppling of the pile slipping or the pile 2 are reduced.

While the utility model has been described with reference to a preferred embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the technical features mentioned in the respective embodiments may be combined in any manner as long as there is no structural conflict. The present utility model is not limited to the specific embodiments disclosed herein, but encompasses all technical solutions falling within the scope of the claims.

Claims (10)

1. An anti-slide pile assembly for a pile driver, comprising:

A clamping seat which can move towards a clamping position to clamp the tubular pile, wherein the clamping seat comprises a first inclined surface which faces the clamping position, and the first inclined surface is inclined downwards and towards the clamping position;

A movable seat slidably mounted on the clamping seat; the movable seat comprises a second inclined plane which is in sliding fit with the first inclined plane; and

The speed limiting wheel is rotatably arranged on the movable seat, and the periphery of the speed limiting wheel is abutted against the tubular pile; the speed limiting wheel is provided with a speed limiting structure, and the speed limiting structure limits the rotation of the speed limiting wheel when the speed limiting wheel reaches a preset rotating speed;

When a pile slides, the pipe pile drives the speed limiting wheel to rotate to a preset rotating speed in an accelerating way, rolling friction between the pipe pile and the speed limiting wheel is changed into sliding friction, and then the pipe pile drives the clamping seat to move along the inclined direction of the first inclined plane through the speed limiting wheel so as to clamp the pipe pile.

2. A slide-proof pile arrangement for a pile driver according to claim 1, further comprising a brake member provided on the movable seat on a side facing the clamping position.

3. A slide-proof pile apparatus for a pile driver according to claim 2, wherein the brake member comprises an arcuate grip portion having an inner diameter matching an outer diameter of the pile.

4. A slide-proof pile device for a pile driver according to any one of claims 1 to 3, characterised in that a first resilient member is provided between the movable seat and the clamping seat, the first resilient member exerting an upward resilient force on the movable seat.

5. A slide-proof pile apparatus for a pile driver according to any one of claims 1 to 3, further comprising a pressure sensor provided on the movable seat, the measuring end of the pressure sensor abutting the pile to detect the clamping force of the clamping seat on the pile.

6. A slide-proof pile apparatus of a pile driver according to any one of claims 1 to 3, characterised in that a first proximity switch is provided above the grip block to detect the distance between the pile hammer of the pile driver and the grip block; the first proximity switch is in signal connection with a driving mechanism of the clamping seat so as to control the clamping seat to clamp or loosen.

7. The anti-slide pile device of the pile driver according to claim 6, wherein a second proximity switch is arranged below the first proximity switch, and the second proximity switch is used for detecting the position of the pipe pile; the second proximity switch is in signal connection with the driving mechanism of the clamping seat so as to control the clamping seat to clamp or loosen.

8. A slide-proof pile arrangement for a pile driver according to any one of claims 1 to 3, characterised in that:

The anti-slip pile device further comprises a fixed seat, and the clamping seat is slidably arranged on the fixed seat;

The clamping seat is further provided with a limiting through hole extending along the sliding direction of the clamping seat, the fixing seat is further provided with a limiting rod extending along the sliding direction, the limiting through hole is sleeved on the limiting rod, and the clamping seat can slide along the sliding direction relative to the limiting rod.

9. A slide-proof pile arrangement for a pile driver according to any one of claims 1 to 3, characterised in that:

The speed limiting structure comprises a ratchet wheel and a linkage rod;

the speed limiting wheel is rotatably arranged on the movable seat through a rotating shaft, and the rotating shaft is fixedly connected with the movable seat;

the ratchet wheel is fixed on the periphery of the rotating shaft;

the linkage rod is hinged to one side of the speed limiting wheel, and balancing weights and pawls are respectively arranged at the extending two ends of the linkage rod;

in an initial state, the pawl and the ratchet wheel are separated from each other; when the speed limiting wheel reaches a preset rotating speed, the balancing weight moves away from the ratchet wheel under the action of centrifugal force, and the pawl is clamped into the ratchet wheel and is in limit fit.

10. The anti-slide pile apparatus of a pile driver according to claim 9, wherein the speed limiting structure further comprises a second elastic member elastically disposed between the speed limiting wheel and the link lever, the second elastic member applying an elastic force to the pawl in a direction away from the ratchet wheel.