CN116240887A

CN116240887A - Bridge construction vibration pile driver

Info

Publication number: CN116240887A
Application number: CN202310505117.4A
Authority: CN
Inventors: 陈希茂; 刘逸敏; 董景超; 张宏闽; 林朝阳; 张友明
Original assignee: China Railway 24th Bureau Group Co Ltd; Fujian Railway Construction Co Ltd of China Railway 24th Bureau Group Co Ltd
Current assignee: China Railway 24th Bureau Group Co Ltd; Fujian Railway Construction Co Ltd of China Railway 24th Bureau Group Co Ltd
Priority date: 2023-05-08
Filing date: 2023-05-08
Publication date: 2023-06-09
Anticipated expiration: 2043-05-08
Also published as: CN116240887B

Abstract

The utility model relates to a vibration pile sinking equipment technical field, and disclose a bridge construction vibration pile sinking machine, including the vibrator casing, the inside swing joint of vibrator casing has the bracing piece that runs through its upper and lower both ends, the top fixed mounting of bracing piece surface has the fixed block, and has the pile clamping device at the bottom fixed mounting of bracing piece, the top of bracing piece surface just is located the activity between the top of fixed block and vibrator casing and has cup jointed a set of excitation spring, and the activity has cup jointed another set of excitation spring between the bottom of bottom and being located pile clamping device and vibrator casing of bracing piece surface. The utility model provides a pair of bridge construction vibration pile driver sets up bracing piece and the linkage structure between clamp stake ware on to the vibrator casing, can produce the vibration along the axis direction of bracing piece when triggering the eccentric block, and then effectively reduces the vibration energy loss of high vibration pile driver in the operation in-process.

Description

Bridge construction vibration pile driver

Technical Field

The application relates to the technical field of vibration pile sinking equipment, in particular to a bridge construction vibration pile sinking machine.

Background

The vibrating pile driver is pile driver machine capable of generating exciting force in the vertical direction of pile body, vibrating the pile body, reducing friction resistance between the pile body and surrounding soil, and penetrating through stratum to sink, and being suitable for pile bodies of different specifications and stratum of different properties by adjusting exciting frequency, amplitude and vibrating force, so that the pile driver machine has wide adaptability;

the vibrating pile driver mainly comprises a hanging bracket, a vibrator, a pile clamping device, a transmission device and the like, and is fixed at the top of a pile body through the pile clamping device during operation, the hanging bracket is used for being lifted into position by a crane or a digging machine, and then the vibrator is started to sink the pile body into a stratum;

however, the existing vibration pile sinking machine is lifted on a crane or a digging machine through a lifting frame, when a vibrator on the vibration pile sinking machine is triggered and acts, a part of vibration force can be transmitted to a cantilever of the crane through a lifting steel wire rope or directly acts on the arm of the digging machine, so that the loss of vibration energy of the vibration pile sinking machine is increased, the stability of the arm of the crane or the digging machine is seriously influenced, the pile body is easily subjected to transverse swing due to the shaking of the arm of the crane or the digging machine, the sunken pile body is further inclined, and huge potential safety hazards are buried for subsequent construction, and the stability and reliability are poor.

Therefore, there is a need for a vibrating pile driver for engineering construction, so as to solve the defects of the conventional vibrating pile driver in the practical use process.

Disclosure of Invention

The utility model provides a bridge construction vibration pile driver possesses the loss that can effectively reduce its vibration energy in the operation in-process, makes it can not influence the stability of hoist or dig the quick-witted arm of force, and can not cause the pile body to take place lateral oscillation and take place the advantage of slope because of it rocks for solve current vibration pile driver when the action, on the cantilever of hoist can be passed through hoist wire rope to the vibration power of some, or directly act on the arm of force of dig the machine, not only increased the loss of its vibration energy, but also seriously influenced the stability of hoist or dig the quick-witted arm of force, very easily cause the pile body to take place lateral oscillation because of the rocking of hoist or dig the quick-witted arm of force, and then lead to the pile body of sinking to take place the problem of slope.

In order to achieve the above purpose, the present application adopts the following technical scheme: the bridge construction vibration pile driver comprises a vibrator shell, wherein two groups of eccentric blocks are arranged in the vibrator shell, transmission connection is formed between the two groups of eccentric blocks through a gear set arranged on one side of the outer part of the vibrator shell, a transmission shaft with one end extending to the outer part of the vibrator shell is fixedly arranged in the eccentric blocks on the right side, the transmission shaft is in transmission connection with a hydraulic motor fixedly arranged on one side of the top end of the vibrator shell through a transmission belt, a hanging bracket is arranged at the top of the vibrator shell, a group of connecting rods extending to the bottoms of two sides of the vibrator shell are respectively arranged on two sides of the bottom end of the hanging bracket, and movable connection is formed between the vibrator shell and the hanging bracket through the connecting rods;

the inside swing joint of vibrator casing has the bracing piece that runs through its upper and lower both ends, the top fixed mounting of bracing piece surface has the fixed block, and has the pile clamping device at the bottom fixed mounting of bracing piece, the top of bracing piece surface just is located the top of fixed block and vibrator casing and has movably cup jointed a set of excitation spring between, and the bottom of bracing piece surface just is located the pile clamping device and the bottom of vibrator casing is movably cup jointed another set of excitation spring.

Further, when the pile body is suspended in place by a crane or a digger, the hanger and the connecting rod thereon are lowered to a distance such that no contact occurs between the nut on the connecting rod and the vibrator case.

Furthermore, the number of the supporting rods is two, and the supporting rods are respectively positioned at the left side and the right side of the eccentric block, so that the stress uniformity of the exciting springs on the supporting rods is effectively improved.

Further, one side fixed mounting at vibrator shell top has the linkage sleeve to the transfer line that extends to its right side tip has been cup jointed in the activity of one side of linkage sleeve inner chamber, the opposite side activity of linkage sleeve inner chamber has cup jointed reset spring, and forms the transmission through reset spring between transfer line and linkage sleeve inner chamber and be connected, and the stopper fixed connection at vibrator shell top is blocked with the activity to the other end of transfer line, and the stopper is located under the fixed block.

Further, one side of the top end of the linkage sleeve is fixedly provided with an oil way interface extending into the inner cavity of the linkage sleeve, and one side outside the linkage sleeve is provided with a group of connecting pipelines communicated with the inner cavity of the hydraulic motor.

Further, one end of the connecting pipeline is overlapped with one side of the outer surface of the transmission rod in an initial state, and when hydraulic oil is conveyed to the inner cavity of the transmission rod in an extrusion mode through the oil way interface, the triggering sequence between the linkage sleeve and the hydraulic motor is controlled, and further interference phenomenon between the limiting block and the fixed block is effectively avoided.

Further, in the initial state, when the upper group of excitation springs and the lower group of excitation springs of the support rod keep balance, the distance between the bottom end of the fixed block and the top end of the vibrator shell is larger than the height of the limiting block, and further, when the vibrating pile sinking machine is closed, the limiting block is driven to recover to the initial position under the elastic action of the reset spring. Advantageous effects

1. The utility model provides a pair of bridge construction vibration pile driver, to the setting of bracing piece on the vibrator casing and linkage structure between clamp pile ware, can be when triggering the eccentric block, produce the vibration along the axis direction of bracing piece, and can not cause the vibration to influence and transmit to the hoist or dig on the machine arm of force to the gallows, and then effectively reduce the vibration energy loss of high vibration pile driver at the operation in-process, simultaneously, can not cause the influence to the stationarity of hoist or dig the machine arm of force, and because of its rocking causes the pile body to take place lateral oscillation, the problem that the slope is submerged.

2. The utility model provides a pair of bridge construction vibration pile driver to the setting of linkage sleeve and last structure, when this vibration pile driver hangs the pile body at the initial stage, can effective control bracing piece and go up the decurrent displacement volume of fixed block to form the protection to the excitation spring at bracing piece surface top, prevent that it from causing fatigue damage or inefficacy because of the load pressure that receives is too big, and can effectively control the triggering sequence between linkage sleeve and the hydraulic motor, prevent to take place the interference phenomenon when the eccentric block triggers between stopper and the fixed block, and then effectively improved stability and reliability of this vibration pile driver in the operation process.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description, serve to explain the principles of the disclosure.

The present application will be more clearly understood from the following detailed description with reference to the accompanying drawings, in which:

FIG. 1 is a schematic diagram of the structure of the present invention;

FIG. 2 is a front cross-sectional view of a vibrator housing of the present invention;

FIG. 3 is a front view of the structure of the present invention;

FIG. 4 is a side view of the structure of the present invention;

fig. 5 is an enlarged schematic view of the structure of the present invention at a in fig. 1.

In the figure: 1. a vibrator housing; 2. a hanging bracket; 3. a connecting rod; 4. an eccentric block; 5. a gear set; 6. a transmission shaft; 7. a transmission belt; 8. a hydraulic motor; 9. a support rod; 10. pile clamping device; 11. exciting a spring; 12. a fixed block; 13. a linkage sleeve; 14. a transmission rod; 15. a return spring; 16. a limiting block; 17. an oil path interface; 18. and a connecting pipeline.

Detailed Description

The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.

As shown in fig. 2 and 4, a bridge construction vibration pile sinking machine comprises a vibrator shell 1, wherein two groups of eccentric blocks 4 which are symmetrically arranged are arranged in the vibrator shell 1, a transmission connection is formed between the two groups of eccentric blocks 4 through a gear group 5 arranged on one side of the outer part of the vibrator shell 1, a transmission shaft 6 with one end extending to the outer part of the vibrator shell 1 is fixedly arranged in the right side eccentric block 4, a transmission connection is formed between the transmission shaft 7 and a hydraulic motor 8 fixedly arranged on one side of the top of the vibrator shell 1, the gear group 5 is formed by a pair of gears with the same tooth number, and further when the hydraulic motor 8 is started, under the transmission action of the transmission belt 7, the two groups of eccentric blocks 4 can be synchronously driven to rotate in the same rotation speed and opposite rotation directions;

as shown in fig. 3, the inside of the vibrator housing 1 is movably connected with a supporting rod 9 penetrating through the upper end and the lower end of the supporting rod, a fixing block 12 is fixedly installed at the top of the outer surface of the supporting rod 9, a pile clamping device 10 for clamping a pile body is fixedly installed at the bottom end of the supporting rod 9, a group of exciting springs 11 are movably sleeved between the fixing block 12 and the top end of the vibrator housing 1, and another group of exciting springs 11 are movably sleeved between the bottom of the outer surface of the supporting rod 9 and the bottom end of the pile clamping device 10 and the bottom end of the vibrator housing 1, so that when the vibrator housing 1 generates disturbance force in the vertical direction, exciting force is generated in the central axis direction of the supporting rod 9 through the two groups of exciting springs 11, and the pile body clamped on the pile clamping device 10 at the bottom end of the supporting rod 9 is caused to vibrate.

In the technical scheme, when a pile body is suspended in place by using a crane or a digger, the hanging bracket 2 and the connecting rod 3 on the hanging bracket are lowered to a certain distance, so that the nut on the connecting rod 3 is not contacted with the vibrator shell 1, and further, when the vibrator shell 1 is driven to generate exciting force in the vertical direction under the action of the eccentric block 4, the interference phenomenon can not occur between the nut and the vibrator shell 1, so that the support rod 9 and the pile body on the support rod can generate vibration in the vertical direction under the action of the exciting spring 11.

As shown in fig. 4, in the present technical solution, the number of the supporting rods 9 is set to two groups and are respectively located at the left and right sides of the eccentric block 4, so as to effectively improve the uniformity of stress of the exciting spring 11 on the supporting rods 9, and make the exciting spring generate vibration in the vertical direction, so that the vibrator shell 1 cannot deviate due to uneven stress, and the abrasion to the connecting rod 3 or the supporting rods 9 is aggravated.

As shown in fig. 5, in this technical scheme, a linkage sleeve 13 is fixedly installed on one side of the top end of a vibrator shell 1, and a transmission rod 14 extending to the right end of the linkage sleeve 13 is movably sleeved on one side of the inner cavity of the linkage sleeve 13, a return spring 15 is movably sleeved on the other side of the inner cavity of the linkage sleeve 13, and a transmission connection is formed between the transmission rod 14 and the inner cavity of the linkage sleeve 13 through the return spring 15, when the transmission rod 14 is not stressed, the transmission rod 14 always has a tendency to move to the right side under the elastic force of the return spring 15, the other end of the transmission rod 14 is fixedly connected with a limiting block 16 movably clamped on the top end of the vibrator shell 1, and the limiting block 16 is located under a fixed block 12, so that when a pile body is suspended by the vibrating pile sinking machine in the initial stage, the downward displacement of the support rod 9 and the upper fixed block 12 is controlled, and the vibration springs 11 on the top of the outer surface of the support rod 9 are protected, so that fatigue damage or failure caused by overlarge load pressure is prevented.

In the technical scheme, as shown in fig. 5, one side of the top end of the linkage sleeve 13 is fixedly provided with an oil way interface 17 extending into the inner cavity of the linkage sleeve, and the other end of the oil way interface 17 is communicated with an external hydraulic pump station, as shown in fig. 4, one side of the outer part of the linkage sleeve 13 is provided with a group of connecting pipelines 18 communicated with the inner cavity of the hydraulic motor 8, meanwhile, the inner part of the hydraulic motor 8 is communicated with the external hydraulic pump station, a circulation loop is formed between the linkage sleeve 13 and the hydraulic motor 8, and the triggering of the linkage sleeve 13 and the hydraulic motor 8 is synchronously controlled through the starting of an external hydraulic pump station.

In this technical scheme, the one end of connecting line 18 is in the mutual coincidence of one side of initial state and transfer line 14 surface to when carrying hydraulic oil to the inner chamber extrusion of transfer line 14 through oil circuit interface 17, control the triggering sequence between linkage sleeve 13 and the hydraulic motor 8, and then effectively avoid the interference phenomenon between stopper 16 and the fixed block 12:

the transmission rod 14 can be forced to move leftwards and the return spring 15 can be compressed, so that the limiting block 16 is separated from the bottom of the fixed block 12, and then after the transmission rod 14 moves leftwards to a specific position, the communication connection pipeline 18 triggers the hydraulic motor 8, so that the vibrating pile sinking machine is started and the pile body clamped in the pile clamping device 10 is sunk into the stratum.

In this technical scheme, under initial condition, when two sets of excitation springs 11 keep balanced about bracing piece 9, the distance between fixed block 12 bottom to vibrator casing 1 top is greater than the height of stopper 16, and then ensures when closing this vibration pile sinking machine, under the elasticity effect of reset spring 15, can drive stopper 16 and resume to initial position to be located under the fixed block 12, in order to hang the pile body the next time, form the protection to the excitation spring 11 at bracing piece 9 surface top.

Claims

1. The utility model provides a bridge construction vibration pile driver, includes vibrator casing (1), the inside of vibrator casing (1) is equipped with two sets of eccentric blocks (4) to form the transmission through establishing gear train (5) in vibrator casing (1) outside one side and connect between two sets of eccentric blocks (4), the right side the inside fixed mounting of eccentric blocks (4) has one end to extend to outside transmission shaft (6) of vibrator casing (1), and form the transmission through drive belt (7) with hydraulic motor (8) of fixed mounting in vibrator casing (1) top one side and be connected, its characterized in that:

the top of the vibrator shell (1) is provided with a hanging bracket (2), two sides of the bottom end of the hanging bracket (2) are respectively provided with a group of connecting rods (3) extending to the bottoms of the two sides of the vibrator shell (1), and movable connection is formed between the vibrator shell (1) and the hanging bracket (2) through the connecting rods (3);

the inside swing joint of vibrator casing (1) has bracing piece (9) that run through its upper and lower both ends, the top fixed mounting of bracing piece (9) surface has fixed block (12), and has pile clamping device (10) in the bottom fixed mounting of bracing piece (9), the top of bracing piece (9) surface just is located between the top of fixed block (12) and vibrator casing (1) activity cup joints a set of exciting spring (11), and the bottom of bracing piece (9) surface just is located pile clamping device (10) and vibrator casing (1) between the bottom activity cup joints another set of exciting spring (11).

2. A bridge construction vibration pile driver according to claim 1, characterised in that the crane or the excavator is used to suspend the pile in place, the boom (2) and the connecting rod (3) thereon are lowered to a distance such that no contact occurs between the nut on the connecting rod (3) and the vibrator housing (1).

3. The bridge construction vibration pile driver according to claim 2, wherein the number of the supporting rods (9) is two, and the supporting rods are respectively positioned at the left side and the right side of the eccentric block (4), so that the stress uniformity of the exciting springs (11) on the supporting rods (9) is effectively improved.

4. A bridge construction vibration pile driver according to claim 3, wherein a linkage sleeve (13) is fixedly mounted on one side of the top end of the vibrator shell (1), a transmission rod (14) extending to the right end of the linkage sleeve is movably sleeved on one side of the inner cavity of the linkage sleeve (13), a return spring (15) is movably sleeved on the other side of the inner cavity of the linkage sleeve (13), a transmission connection is formed between the transmission rod (14) and the inner cavity of the linkage sleeve (13) through the return spring (15), the other end of the transmission rod (14) is fixedly connected with a limiting block (16) movably clamped on the top end of the vibrator shell (1), and the limiting block (16) is located under the fixed block (12).

5. The bridge construction vibration pile driver according to claim 4, wherein an oil path interface (17) extending into the inner cavity of the linkage sleeve (13) is fixedly arranged on one side of the top end of the linkage sleeve (13), and a group of connecting pipelines (18) are arranged on one side of the outer part of the linkage sleeve (13) and are communicated with the inner cavity of the hydraulic motor (8).

6. The bridge construction vibration pile driver according to claim 5, wherein one end of the connecting pipeline (18) is overlapped with one side of the outer surface of the transmission rod (14) in an initial state, and when hydraulic oil is conveyed to the inner cavity of the transmission rod (14) in an extrusion mode through the oil way interface (17), the triggering sequence between the linkage sleeve (13) and the hydraulic motor (8) is controlled, and interference phenomenon between the limiting block (16) and the fixed block (12) is further effectively avoided.

7. The bridge construction vibration pile driver according to claim 6, wherein when the upper and lower groups of exciting springs (11) of the supporting rod (9) are kept balanced in an initial state, the distance from the bottom end of the fixed block (12) to the top end of the vibrator shell (1) is larger than the height of the limiting block (16), so that the limiting block (16) is driven to be restored to the initial position under the elastic force of the reset spring (15) when the vibration pile driver is closed.