CN219315689U

CN219315689U - Gravel feeding mechanism and gravel pile machine

Info

Publication number: CN219315689U
Application number: CN202223558049.8U
Authority: CN
Inventors: 龚秀刚; 刘梁军; 杨路; 腾聪; 胡甲磊
Original assignee: Shanghai Engineering Machinery Co Ltd
Current assignee: Shanghai Engineering Machinery Co Ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-07-07
Anticipated expiration: 2032-12-30

Abstract

The utility model provides a rubble feed mechanism and rubble stake machine, includes stake pipe, pneumatic cylinder, short connecting rod, long connecting rod, feed gate, door frame, feeder hopper, the door frame sets up in the inner wall of stake pipe, the feed gate articulates and installs on setting up on the door frame, the feeder hopper sets up in the outer wall one side of stake pipe, the pneumatic cylinder sets up in the stake pipe outer wall of feeder hopper top; the opening and closing of the feeding door are controlled by the lifting and contracting actions of the pneumatic cylinder, and when broken stone is filled into the inner cavity of the pile tube, the pneumatic cylinder lifts the connecting rod and then pushes the feeding door to open inwards; when the inner cavity of the pile pipe is inflated and pressurized after the broken stone is filled, the feeding door is pulled outwards by the pneumatic cylinder retracting connecting rod to be closed outwards, and the pneumatic cylinder keeps a contracted state all the time in the operation process of the external vibrating hammer, so that the feeding door is sealed and closed on the door frame. The utility model adopts the external pneumatic cylinder and the connecting rod mechanism, effectively monitors the running condition of the pneumatic cylinder and the connection reliability of the connecting rod mechanism, ensures the good running of equipment and prolongs the service life of parts.

Description

Gravel feeding mechanism and gravel pile machine

Technical Field

The utility model relates to the field of pile foundation engineering, in particular to a gravel feeding mechanism and a gravel pile machine.

Background

The soft soil foundation is a foundation formed by a compression layer mainly comprising silt, mucky soil, impact filling soil, miscellaneous filling soil or other high-pressure compression soil layers, and is widely distributed in China, particularly in the southeast coastal area. In order to improve the bearing capacity and liquefaction resistance of the soft soil foundation, a composite foundation reinforcing pile made of gravels is adopted, a pile pipe is driven into the ground through a vibrating hammer, the gravels are filled into the inner cavity of the pile pipe through a feed hopper and a feed door, high-pressure gas, exciting force of the pile pipe and dead weight of the gravels are conveyed into the inner cavity of the pile pipe, the gravels are continuously vibrated into a stratum until the gravels in the inner cavity of the pile pipe fall into the stratum to reinforce the soft soil foundation. The feeding door for adding crushed stone is controlled by a pneumatic cylinder and a connecting rod mechanism, the pneumatic cylinder is arranged in the inner cavity of the pile pipe, and stagnation and blocking occur when the pneumatic cylinder stretches and contracts due to the influence of the crushed stone in the opening process of the feeding door, so that the opening and closing of the feeding door are influenced; meanwhile, the pneumatic cylinder and the connecting rod mechanism are arranged in the inner cavity of the pile pipe, so that the maintenance and replacement of parts are inconvenient, and the construction efficiency of the gravel pile is affected.

Disclosure of Invention

The utility model aims to provide a broken stone feeding mechanism and a broken stone pile machine, which effectively monitor the running condition of a pneumatic cylinder and the connection reliability of a connecting rod mechanism by adopting an external pneumatic cylinder and the connecting rod mechanism, so that the maintenance and the overhaul are simple and convenient, and the good running of equipment is ensured; adopt the feeder hopper of front panel dismantlement formula, in time overhaul the leakproofness between stake pipe and the feed gate, effectively guarantee gravel stake efficiency of construction.

The technical proposal provided by the utility model is that,

a rubble feed mechanism, its characterized in that: the feeding device comprises a pile pipe, a pneumatic cylinder, a short connecting rod, a long connecting rod, a feeding door, a door frame and a feeding hopper, wherein the door frame is arranged on the inner wall of the pile pipe, the feeding door is hinged to the door frame, the feeding hopper is arranged on one side of the outer wall of the pile pipe, and the pneumatic cylinder is arranged on the outer wall of the pile pipe above the feeding hopper;

preferably, an end flange fixedly mounted with an external vibrating hammer is arranged at the upper end of the pile pipe, and a plurality of reinforcing rib plates are arranged below the end flange and used for improving the rigidity and strength of the pile pipe; the outer wall of the pile tube above the feeding hopper is provided with an upper ear seat and a lower ear seat respectively, and the upper ear seat and the lower ear seat are used for installing a pneumatic cylinder, a short connecting rod and a long connecting rod to realize the opening or closing of the feeding door.

Preferably, the door frame is welded and fixed on the inner wall of the pile pipe, and the feeding door is arranged on the upper edge of the door frame through a door hinge; a sealing plate is arranged around the front surface of the feeding door, and is completely attached to the inner side surface of the door frame when the feeding door is closed outwards and used for sealing the inner cavity of the pile tube; the lateral surface of feed door is equipped with material door ear seat for install long connecting rod.

Preferably, the feeding hopper is arranged on the outer side of the middle part of the pile pipe in a horn mouth shape, and a front cover plate which can be opened is arranged on the front panel of the feeding hopper and is used for overhauling the sealing performance of the pile pipe and the feeding door.

Preferably, two pneumatic cylinders are arranged side by side in the axial direction of the pile pipe, and the two pneumatic cylinders realize synchronous expansion and contraction; the cylinder barrel end of the pneumatic cylinder is hinged with the upper lug seat of the pile pipe, the piston rod end of the pneumatic cylinder is hinged with the short connecting rod and the long connecting rod through a first pin shaft, the other end of the short connecting rod is hinged with the lower lug seat of the pile pipe, and the other end of the long connecting rod is hinged with the material door lug seat of the feeding door.

A gravel pile machine comprising a gravel feed mechanism of any one of the preceding claims.

Compared with the prior art, the utility model has the beneficial effects that,

1) The external pneumatic cylinder and the connecting rod mechanism are adopted, so that the space of the inner cavity of the pile pipe is not occupied, and the real-time detection of the broken stone position of the pile pipe level gauge is not influenced; the operation condition of the pneumatic cylinder and the connection reliability of the connecting rod mechanism are effectively monitored, so that the maintenance and the overhaul are simple and convenient, the good operation of equipment is ensured, and the service life of parts is prolonged;

2) The feeding door adopts a door frame sealing mode, has the characteristics of reasonable structure, vibration resistance, durability, reasonable sealing and the like, ensures the pressure of the inner cavity of the pile tube, effectively improves the construction efficiency, and reduces the construction cost.

3) The front panel of feeder hopper adopts the dismantlement formula, through hinge mount in the stake pipe outer wall, the leakproofness between timely maintenance stake pipe of operating personnel and the feed gate of being convenient for effectively guarantees gravel stake efficiency of construction.

Drawings

FIG. 1 is a schematic view of a crushed stone feeding mechanism according to the present utility model;

FIG. 2 is a left side view of FIG. 1;

FIG. 3 is a schematic view showing a partial structure of the present utility model in a state where a feed gate is closed after a feed hopper is removed;

FIG. 4 is a left side view of FIG. 3;

FIG. 5 is a schematic view of the present utility model partially constructed with the feed hopper removed and the feed gate open;

FIG. 6 is a left side view of FIG. 5;

wherein: the device comprises a pile pipe 1, an end flange 11, a reinforcing rib plate 12, an upper lug seat 15, a lower lug seat 16, a 2-pneumatic cylinder 24, a first pin shaft 3, a short connecting rod 4, a long connecting rod 5, a feeding door 55, a material door lug seat 6, a door frame 62, a door frame bracket 7, and a front cover plate 71.

Detailed Description

The gravel feeding mechanism and the gravel pile machine according to the present utility model will be further described with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present utility model, and are not intended to limit the scope of the present utility model.

The embodiment discloses a broken stone feeding mechanism, which comprises seven parts, namely a pile pipe 1, a pneumatic cylinder 2, a short connecting rod 3, a long connecting rod 4, a feeding door 5, a door frame 6 and a feeding hopper 7.

Referring to fig. 1-2, the end flange 11 of the pile tube 1 is fixedly mounted with an external vibrating hammer, so that the pile tube 1 performs vibrating operation along with the external vibrating hammer;

the door frame 6 is welded at the opening of the pile tube 1 through four edges thereof, and the inner wall and the outer wall of the pile tube 1 are firmly welded in a surfacing mode so as to ensure the tightness thereof; the upper side of the door frame 6 is provided with a door frame bracket 62, the feeding door 5 is fixedly arranged on the door frame bracket 62 through a door hinge, and the feeding door is opened to the inner cavity of the pile tube 1;

the two pneumatic cylinders 2 are arranged side by side on the outer wall of the pile pipe 1, and synchronous expansion and contraction of the two pneumatic cylinders 2 are realized through an operating system; the pneumatic cylinder 2 is hinged with the short connecting rod 3 and the long connecting rod 4 to form a connecting rod mechanism, the cylinder barrel end of the pneumatic cylinder is hinged with the upper lug seat 15 of the pile tube 1, the short connecting rod 3 and the long connecting rod 4 are hinged together through a first pin shaft 24 at the piston rod end of the pneumatic cylinder, the other end of the short connecting rod 3 is hinged with the lower lug seat 16 of the pile tube 1, and the other end of the long connecting rod 4 is hinged with the material door lug seat 55 of the feeding door 5;

when the feed hopper 7 is arranged in the middle of the outer side of the pile pipe 1, a horn-shaped bucket pile body is formed by welding plates around the outer edge of the door frame 6 on the pile pipe 1, and a front cover plate 71 arranged at the front panel of the feed hopper can rotate along the bottom edge of the feed hopper 7; after the screws fixedly mounted on the front cover plate 71 and the front panel of the feed hopper 7 are removed, the front cover plate 71 is completely opened downwards immediately, so that an operator can conveniently overhaul the sealing performance of the pile pipe and the feed gate in time.

The concrete working mode is that, with reference to fig. 3-6, the external vibrating hammer is properly installed on the upright post of the external pile driving frame, after the steel wire rope is led out through the hoisting mechanism to be connected and then lifted to a certain height, the pile pipe 1 is lifted to enter the lower part of the external vibrating hammer, and the end flange 11 of the pile pipe is firmly connected with the flange at the bottom of the external vibrating hammer; after the pile pipe 1 is vibrated and deposited to a preset elevation by an external vibrating hammer, the broken stone feeding can be carried out on the inner cavity of the pile pipe 1; the air source system is controlled to synchronously supply air to rodless cavities of the two pneumatic cylinders 2, and piston rods of the pneumatic cylinders 2 extend to push the short connecting rods 3 and the long connecting rods 4 to move downwards to push the feeding gate 5 to open to the inner cavity of the pile pipe 1; the opening angle of the feeding door 5 is determined by the stroke of the pneumatic cylinder 2, and when the piston rod of the pneumatic cylinder 2 is completely extended and the feeding door 5 is opened to a set maximum angle, the crushed stone feeding operation is carried out; closing the sealing door 5 after the crushed stone feeding is completed: the air source system is controlled to supply air to the rod cavity of the pneumatic cylinder 2, the piston rod of the pneumatic cylinder 2 contracts to pull the short connecting rod 3 and the long connecting rod 4 to move upwards, the feeding door 5 is pulled to rotate towards the door frame 6 of the inner wall of the pile pipe 1 until the sealing plate around the feeding door 5 is tightly attached to the door frame 6, and then the feeding door 5 is closed; the air source system is controlled to inflate and pressurize the inner cavity of the pile pipe 1, under the conditions that the external pile driving frame lifts the external vibrating hammer and the external vibrating hammer vibrates and pulls out, piled broken stones in the inner cavity of the pile pipe 1 sink into the stratum under the combined action of the dead weight, the exciting force of the vibrating hammer and high-pressure gas, and the vibration pipe sinking operation of the broken stone pile is completed.

The utility model also relates to a gravel pile machine, which comprises the gravel feeding mechanism.

According to the broken stone feeding mechanism and the broken stone pile machine, the external pneumatic cylinder and the connecting rod mechanism are adopted, so that the operation condition of the pneumatic cylinder and the connection reliability of the connecting rod mechanism are effectively monitored, the maintenance and the overhaul are simple and convenient, and the good operation of equipment is ensured; the feeding door adopts a door frame sealing mode, has the characteristics of reasonable structure, vibration resistance, durability, reasonable sealing and the like, and ensures that the pressure of the inner cavity of the pile pipe enables broken stones of the pile cavity to smoothly sink into a stratum; adopt the feeder hopper of front panel dismantlement formula, in time overhaul the leakproofness between stake pipe and the feed gate, effectively guarantee gravel stake efficiency of construction.

The foregoing has shown and described the basic principles and main features and advantages of the present utility model. The present utility model is not limited to the above-described embodiments, and the above-described embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made therein without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims

1. A rubble feed mechanism, its characterized in that: including stake pipe (1), pneumatic cylinder (2), short connecting rod (3), long connecting rod (4), feed gate (5), door frame (6), feeder hopper (7), door frame (6) set up in the inner wall of stake pipe (1), feed gate (5) are articulated to be installed on setting up on door frame (6), feeder hopper (7) set up in outer wall middle part one side of stake pipe (1), pneumatic cylinder (2) set up in the stake pipe (1) outer wall of feeder hopper (7) top.

2. The lithotripsy feeding mechanism according to claim 1, wherein: an end flange (11) fixedly mounted with an external vibrating hammer is arranged at the upper end of the pile pipe (1), and a plurality of reinforcing rib plates (12) are arranged below the end flange and used for improving the rigidity and strength of the pile pipe (1); an upper ear seat (15) and a lower ear seat (16) are respectively arranged on the outer wall of the pile tube (1) above the feed hopper (7) and are used for installing the pneumatic cylinder (2), the short connecting rod (3) and the long connecting rod (4) and then opening or closing the feed door (5).

3. The lithotripsy feeding mechanism according to claim 1, wherein: the door frame (6) is welded and fixed on the inner wall of the pile tube (1), and the feeding door (5) is arranged on the upper side of the door frame (6) through a door hinge; a sealing plate is arranged around the front surface of the feeding door (5), and is completely attached to the inner side surface of the door frame (6) when the feeding door (5) is closed outwards and used for sealing the inner cavity of the pile tube (1); the outer side face of feed gate (5) is equipped with material gate ear seat (55) for install long connecting rod (4).

4. The lithotripsy feeding mechanism according to claim 1, wherein: the feed hopper (7) is arranged on the outer side of the middle of the pile tube (1) in a horn mouth shape, and a front cover plate (71) capable of being opened is arranged on the front panel of the feed hopper and is used for overhauling the sealing performance of the pile tube and the feed door.

5. The lithotripsy feeding mechanism according to claim 1, wherein: the two pneumatic cylinders (2) are arranged side by side in the axial direction of the pile pipe (1), and the two pneumatic cylinders (2) realize synchronous expansion and contraction; the cylinder barrel end of the pneumatic cylinder (2) is hinged with an upper lug seat (15) of the pile tube (1), the piston rod end of the pneumatic cylinder is hinged with a short connecting rod (3) and a long connecting rod (4) through a first pin shaft (24), the other end of the short connecting rod (3) is hinged with a lower lug seat (16) of the pile tube (1), and the other end of the long connecting rod (4) is hinged with a material door lug seat (55) of the feeding door (5).

6. A gravel pile machine comprising a gravel feed mechanism according to any one of claims 1 to 5.