CN110259381A - One kind hanging brill all-in-one machine - Google Patents

Abstract

The present invention provides an all-in-one hanger-drilling machine, comprising: a chassis, a hoisting mechanism, a drilling mechanism, a wellhead disk mechanism, and a slewing mechanism. The wellhead disk mechanism includes a wellhead disk main body and a clasp located on the wellhead disk main body The diameter of the snap ring is smaller than the diameter of the screw joint of the drill pipe, so that when the integrated drilling machine is performing drilling operations, the snap ring can hold the screw joint of the drill pipe; the wellhead plate A mechanism is pivotally connected to the chassis. The all-in-one hanger-drilling machine of the present invention has dual functions of hoisting and drilling. At the same time, the wellhead plate of the all-in-one machine of the present invention is equipped with a drill pipe snap ring, which can reduce manual participation and improve safety and work efficiency. At the same time, by setting the wellhead plate as It can pivot around the base frame, which reduces the installation space of the crane-drill integrated machine during transportation, so that it can adapt to the construction requirements of various sites.

Description

A hanging drilling machine

technical field

The invention relates to the field of construction machinery, in particular to an integrated drilling machine.

Background technique

In recent years, with the rapid development of my country's economy and society, the scale of power grid construction has continued to increase, and the mechanized construction technology of transmission line engineering has been further developed. In the foundation construction of overhead transmission lines at this stage, bored pile foundations have been widely used. The cast-in-situ pile foundation is the undisturbed soil foundation. Compared with the stepped foundation, it has the advantages of good environmental protection, less labor, and high bearing capacity of the pile foundation. Today, with the deepening of construction technology, it is widely adopted and used by construction parties.

At present, as a new type of construction equipment for line pile foundations, rotary drilling rigs have the advantages of fast drilling speed, good hole quality, and high degree of mechanization. Higher, for the southern region, the distribution of river network terrain is more, the entry of rotary drilling rigs is limited by the bearing capacity of the foundation of rural roads and the weight limit of bridges, and the mechanical transfer is inconvenient, requiring a lot of preliminary work for temporary road construction (steel plate paving) , the transition between tower positions is slow. For the steel cage hoisting process, rotary drilling rigs and submersible drilling rigs use their own drilling rig platforms (tripod, gantry) for hoisting, which has low hoisting efficiency and poor safety; when using rotary drilling rigs to drill holes, usually On-site equipment A crane is used to hoist the steel cage, which increases the number of mechanical shifts in the limited construction site, making construction management difficult, and also increases the overall mechanical cost of foundation construction.

Contents of the invention

Therefore, in order to overcome the above-mentioned shortcoming of prior art, the present invention provides a kind of hanger-drill integrated machine, comprising: chassis, hoisting mechanism, drilling mechanism, wellhead plate mechanism, slewing mechanism, wherein,

The slewing mechanism is rotatably fixed on the chassis, the hoisting mechanism, the drilling mechanism and the wellhead plate mechanism are fixed on the slewing mechanism, and can be driven by the slewing mechanism along the The rotary center of the drilling machine performs a rotary action;

The hoisting mechanism includes a telescopic boom, a luffing cylinder, and a boom bracket. One end of the luffing cylinder is fixedly connected to the telescopic boom, and the other end of the luffing cylinder is fixedly connected to the slewing mechanism. One end of the telescopic boom is pivotally connected to the slewing mechanism, so that under the drive of the luffing cylinder, the telescopic boom can pivot relative to the slewing mechanism; the boom bracket and the The slewing mechanism is fixedly connected, and is used for receiving and accommodating the telescopic boom when the all-in-one crane-drilling machine is in a non-working state;

The drilling mechanism includes a power head lifting frame, a drilling rig power head, a chute fixing frame, a drill rod and a drill bit, and the drilling rig power head is installed in the chute fixing frame through the power head lifting frame, and the drilling rig The power head is fixedly connected with the power head lifting frame; the power head lifting frame includes a first sliding fit part, and the chute fixing frame includes a second sliding fit part slidingly fit with the first sliding fit part, so The lifting frame of the power head can slide up and down relative to the fixed frame of the chute, thereby driving the power head of the drilling rig to move up and down along the fixed frame of the chute; the fixed frame of the chute is fixedly connected with the telescopic boom, so that When the hoisting operation of the integrated drilling machine is performed, the hoisting frame of the power head, the power head of the drilling rig, and the chute fixing frame are used as the counterweight of the telescopic boom;

The wellhead disk mechanism includes a wellhead disk main body and a snap ring located on the wellhead disk main body; the diameter of the snap ring is smaller than the diameter of the screw joint of the drill pipe, so that drilling can be carried out in the hanging drill integrated machine During operation, the snap ring can hold the screw joint of the drill pipe; the wellhead disc mechanism is pivotably connected with the chassis.

Preferably, the snap ring is formed by a side-by-side bayonet on the main body of the wellhead tray.

Preferably, a wellhead disk driving mechanism is included, and the wellhead disk driving mechanism can drive the wellhead disk mechanism to erect along its lower edge.

Preferably, the underframe adopts a half-frame underframe, which is formed by welding the left and right longitudinal beams and the drive axle housing.

Preferably, the drilling mechanism is equipped with a GPS receiving terminal and an industrial computer for receiving and processing satellite signals so as to realize precise positioning of the drill bit.

Preferably, centralizers are arranged at intervals on the drill rod.

Compared with the prior art, the all-in-one hanging and drilling machine of the present invention has dual functions of hoisting and drilling. At the same time, the wellhead plate of the all-in-one machine of the present invention is provided with a drill pipe snap ring, which can reduce manual participation, improve safety and work efficiency, and at the same time , by setting the wellhead plate to be able to pivot around the chassis, the installation space of the crane-drill integrated machine during transportation is reduced, so that it can adapt to the construction requirements of various sites.

Description of drawings

Fig. 1 shows a schematic diagram of an embodiment of the all-in-one hanging and drilling machine of the present invention.

Fig. 2 shows a schematic diagram of another embodiment of the all-in-one hanging and drilling machine of the present invention.

Fig. 3 shows a schematic diagram of an embodiment of the wellhead plate mechanism of the hanging and drilling integrated machine of the present invention.

Fig. 4 shows a schematic view of another embodiment of the wellhead disk mechanism of the integrated hanging and drilling machine of the present invention.

Detailed ways

In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with specific embodiments and with reference to the accompanying drawings 1-4.

In one embodiment of the present invention, the integrated hanging and drilling machine includes: an underframe 1 , a lifting mechanism 2 , a drilling mechanism 3 , a wellhead plate mechanism 4 , and a slewing mechanism.

Underframe 1 is used as the skeleton of the whole machine, and is used for installing all assemblies and components, so that the whole machine becomes a whole.

In one embodiment, the crane-drilling machine includes a walking device, which is used to support the body, and convert the driving torque and rotational motion transmitted from the engine to the driving wheels into the driving force and forward and backward motion required for the work and travel of the tracked vehicle. .

In one embodiment of the present invention, the underframe 1 adopts a half frame frame, which is formed by welding the left and right longitudinal beams and the drive axle housing. The function of the traveling device is to support the weight of the whole machine, and convert the rotational movement of the track drive wheel into the driving movement of the machine on the ground through the track.

In one embodiment, the hanging drill integrated machine of the present invention further includes a frog-type outrigger and a hydraulic cylinder, the frog-type outrigger includes a movable outrigger and a fixed outrigger, the movable outrigger is hinged on the fixed outrigger, and the frog-type outrigger The unfolding action is driven by a hydraulic cylinder; the frog-style outriggers are characterized by simple structure and light weight, but the span of the outriggers is not large.

In one embodiment, the integrated drilling machine of the present invention further includes H-shaped outriggers, X-shaped outriggers or swing outriggers. The outriggers of the H-shaped outriggers have two hydraulic cylinders. After the movable outriggers are stretched out, the outriggers vertically support the ground when working, so they are named like H. The feature is that the outriggers have a large span and are well adaptable to the site. When the outriggers of X-shaped outriggers work, the outriggers are X-shaped, and the ground clearance is small. There is a horizontal displacement during the process of supporting the feet on the ground. When it is small, the space for heavy objects to move is larger than that of H-shaped outriggers. The bigger ones are. The radial outriggers are centered on the slewing center of the slewing support, and four outriggers protrude radially outward from the pot frame of the frame. It is characterized by good stability. During operation, all loads do not pass through the frame but directly act on the outriggers. Swing outriggers are also called articulated outriggers. When the outriggers are working, the outriggers can swing to a position perpendicular to the longitudinal axis of the frame under the action of the hydraulic cylinder. In the non-working state, they can be fixed parallel to the sides of the frame. It is characterized by light weight, but due to the limitation of space size, the outriggers cannot be too long, so the distance of lateral support is small.

In one embodiment of the present invention, the slewing mechanism is rotatably fixed on the chassis 1, the hoisting mechanism 2, the drilling mechanism 3 and the wellhead plate mechanism 4 are fixed on the slewing mechanism, and can be Driven by the above-mentioned slewing mechanism, it performs a slewing action along the slewing center of the all-in-one hanger-drilling machine;

In one embodiment of the present invention, the hoisting mechanism 2 includes a telescopic boom 21, a luffing cylinder 22, and a boom bracket 23, one end of the luffing cylinder 22 is fixedly connected to the telescopic boom 21, and the luffing The other end of the oil cylinder 22 is fixedly connected to the slewing mechanism, and one end of the telescopic boom 21 is pivotally connected to the slewing mechanism, so that under the drive of the luffing cylinder 22, the telescopic boom 21 can relatively Pivoting occurs on the slewing mechanism; the boom bracket 23 is fixedly connected to the slewing mechanism, and is used for receiving and accommodating the telescopic boom 21 when the all-in-one hanging drill machine is not working;

The drilling mechanism 3 comprises a power head lifting frame 31, a drilling machine power head 32, a chute fixed mount 33, a drill rod 34 and a drill bit, and the drilling machine power head 32 is installed on the chute by the power head lifting frame 31 Among the fixed frame 33, the drill power head 32 is fixedly connected with the power head hoisting frame 31; the power head hoisting frame 31 includes a first sliding fitting portion, and the chute fixing frame 33 includes a sliding part that is compatible with the first sliding frame. The second sliding matching part of the matching part is slidably matched, the power head lifting frame 31 can slide up and down relative to the chute fixing frame 33, thereby driving the drilling rig power head to move up and down along the chute fixing frame 33; The chute fixing frame 33 is fixedly connected with the telescopic boom 21, so that when the hoisting operation of the integrated drilling machine is performed, the power head lifting frame 31, the drilling rig power head 32, and the chute fixing frame 33 are used as the Counterweight for the telescopic boom. In one embodiment, the total weight of the power head 32 of the drilling rig is about 3 tons. When the boom is extended and the weight is lifted, the power head is at the bottom of the chute fixing frame and plays the role of counterweight.

The wellhead disk mechanism 4 includes a wellhead disk main body 41, and a snap ring 42 positioned on the wellhead disk main body; the diameter of the snap ring 42 is smaller than the diameter of the screw joint of the drill pipe 34, so that the hanging drill When the all-in-one machine performs drilling operations, the snap ring can hold the screw joint of the drill pipe; the wellhead disk mechanism is pivotally connected with the chassis 1 .

In one embodiment of the present invention, the snap ring 42 is formed by a side-by-side bayonet on the main body of the wellhead tray.

In one embodiment of the present invention, a wellhead disk driving mechanism is included, and the wellhead disk driving mechanism can drive the wellhead disk mechanism to erect relative to the bottom frame 1 along its lower edge.

In one embodiment of the present invention, the hoisting integrated machine includes a crawler-type self-propelled mechanism, and the crawler-type self-propelled mechanism includes an engine and a crawler chassis; the engine is used to provide power; Speed and traction in the prescribed direction.

The drilling mechanism includes a driver, a drill rod and a drill bit. The driver uses hydraulic pressure as the power input. After the driver decelerates and increases torque through a reducer or a gearbox, it outputs the preset torque and speed to the power head. The power head and The torque is transmitted between the drill rods through the drive chain, and the torque is finally transmitted to the drill bit at the lowermost end of the drill rod. The drill bit is equipped with teeth made of higher hardness materials for breaking rocks and harder soil layers. etc., so as to realize hole forming; the drill rod is a non-retractable drill rod with threads or flanges at both ends, and the drilling depth is increased by connecting rods during construction.

During the drilling construction process, since drilling and rock breaking require a certain positive pressure to speed up the construction efficiency, it is necessary to add a certain weight of counterweight on the basis of the above drilling system to ensure the footage during drilling. and into the rock effect.

In terms of hole quality, due to the large drilling depth, it is necessary to prevent problems such as deviated holes and inclined holes during the hole forming process. It is necessary to install centralizers at a certain distance on the drill pipe to effectively support and align the center of the drill pipe through the hole wall. Prevents insufficient verticality of holes. In addition, in order to prevent the collapse of the hole due to the poor self-stability of the ground, it is usually necessary to put the casing and the wall under the hole to prevent the hole from collapsing when drilling.

The transmission mechanism adopts hydraulic transmission. The transmission mechanism includes two variable hydraulic motors. After the hydraulic motor rotates at high speed and is decelerated by the reducer, the power of the reducer is input to the gear shaft in the power box, and the pinion gear of the gear shaft meshes with the large ring gear. The small gear and the large ring gear are both involute displacement cylindrical spur gears. The large ring gear and the hub are fixed together. The large ring gear and the hub are driven under the support of the slewing bearing. The driving key on the hub drives the drill pipe to rotate. Realize the rotary motion of the drilling rig. At the same time, there is a channel in the middle of the drill pipe. The outlet of the channel is connected to the mud pipe and communicated with the mud pump. The drilling slag and mud mixture in the channel are returned to the ground through the pumping action of the mud pump. The mud pool is recycled.

In the embodiment of the present invention, considering the characteristics of long total mileage of transmission lines, large spans of tower poles, scattered layout, complex terrain, etc., it often brings great difficulties to line surveying and tower foundation pile point placement. The present invention adopts the technology of GPS intelligent pile position placement to overcome the above-mentioned problems, and realizes the technology of precise positioning of the drilling rig by installing a GPS receiving terminal and an industrial computer on the drilling equipment to receive and process satellite signals. In order to improve positioning accuracy and eliminate positioning errors, a reference station needs to be installed on site to correct positioning errors. One base station can cover the point release operation within the range of 10km-100km.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention should be included in the protection of the present invention. within range. The above is only a preferred embodiment of the present invention, it should be pointed out that for those of ordinary skill in the art, without departing from the technical principle of the present invention, some improvements and modifications can also be made, these improvements and modifications It should also be regarded as the protection scope of the present invention.

Claims (6)

1. A hanging and drilling integrated machine, characterized in that it comprises: an underframe, a hoisting mechanism, a drilling mechanism, a wellhead plate mechanism, and a rotary mechanism, wherein, The slewing mechanism is rotatably fixed on the chassis, the hoisting mechanism, the drilling mechanism and the wellhead plate mechanism are fixed on the slewing mechanism, and can be driven by the slewing mechanism along the The rotary center of the drilling machine performs a rotary action; The hoisting mechanism includes a telescopic boom, a luffing cylinder, and a boom bracket. One end of the luffing cylinder is fixedly connected to the telescopic boom, and the other end of the luffing cylinder is fixedly connected to the slewing mechanism. One end of the telescopic boom is pivotally connected to the slewing mechanism, so that under the drive of the luffing cylinder, the telescopic boom can pivot relative to the slewing mechanism; the boom bracket and the The slewing mechanism is fixedly connected, and is used for receiving and accommodating the telescopic boom when the all-in-one crane-drilling machine is in a non-working state; The drilling mechanism includes a power head lifting frame, a drilling rig power head, a chute fixing frame, a drill rod and a drill bit, and the drilling rig power head is installed in the chute fixing frame through the power head lifting frame, and the drilling rig The power head is fixedly connected with the power head lifting frame; the power head lifting frame includes a first sliding fit part, and the chute fixing frame includes a second sliding fit part slidingly fit with the first sliding fit part, so The lifting frame of the power head can slide up and down relative to the fixed frame of the chute, thereby driving the power head of the drilling rig to move up and down along the fixed frame of the chute; the fixed frame of the chute is fixedly connected with the telescopic boom, so that When the hoisting operation of the integrated drilling machine is performed, the hoisting frame of the power head, the power head of the drilling rig, and the chute fixing frame are used as the counterweight of the telescopic boom; The wellhead disk mechanism includes a wellhead disk main body and a snap ring located on the wellhead disk main body; the diameter of the snap ring is smaller than the diameter of the screw joint of the drill pipe, so that drilling can be carried out in the hanging drill integrated machine During operation, the snap ring can hold the screw joint of the drill pipe; the wellhead disk mechanism is pivotally connected with the bottom frame. 2. The integrated hanging and drilling machine according to claim 1, characterized in that, the snap ring is formed by a double door bayonet on the main body of the wellhead disk. 3. The integrated hanger-drilling machine according to claim 2, characterized in that it comprises a wellhead disk driving mechanism, the wellhead disk driving mechanism can drive the wellhead disk mechanism to erect relative to the chassis along its lower edge. 4 . The integrated drilling machine according to claim 1 , wherein the underframe is a half-frame underframe, which is formed by welding the left and right longitudinal beams and the drive axle housing. 5. The all-in-one hanging and drilling machine according to claim 1, wherein a GPS receiving terminal and an industrial computer are installed on the drilling mechanism for receiving and processing satellite signals so as to realize precise positioning of the drill bit. 6 . The integrated hanging and drilling machine according to claim 1 , wherein centralizers are arranged at intervals on the drill rod. 7 .