CN210289617U - Ultra-large aperture pore-forming working device suitable for complex geological conditions - Google Patents

Abstract

The utility model discloses an ultra-large aperture pore-forming working device suitable for complex geological conditions, which comprises a hoisting device, a rotary motor, a driving seat, a rotary gear, a drill bit, a base, a key, a lifting flange, a lifting oil cylinder, a bearing beam, a rotary shaft, a hydraulic grab bucket, an upper bracket, an upper cross beam, a lifting guide rail and an outer bracket; the working device is installed on the ground after leveling, is fixed by the anchor rod, utilizes the hydraulic pump station to provide a pressure oil source, obtains the rotation torque and the propelling force, realizes the chip drilling, and utilizes the hydraulic grab bucket to realize the center slag taking work. The utility model discloses the device has realized adopting the non-blasting method under complicated geological conditions (like field, mountain area, deposition area), the simple and easy constructional equipment of easy dismouting, transportation, aperture more than the one shot forming 1.5 meters, and the degree of depth can reach building pile hole or special geology exploration hole more than hectometer, has solved the blank of this field mechanized construction.

Description

Ultra-large aperture pore-forming working device suitable for complex geological conditions

Technical Field

The utility model belongs to aperture drilling equipment field especially relates to an ultra-large aperture pore-forming equipment suitable for complicated geological conditions.

Background

At present, no suitable solution is provided in the field of the non-blasting one-step forming ultra-large-aperture drilling equipment under complex geological conditions in China. Firstly, a rotary drilling rig or a manual mode is mainly adopted for drilling a building pile hole in the field, the rotary drilling rig is high in use cost and limited by construction environment, and the rotary drilling rig cannot be applied to occasions such as mountainous areas and the like which are not suitable for large-scale equipment transportation and walking; the artificial pore-forming efficiency is low, and the porous wall has safety risks of collapse, oxygen deficiency and the like. Secondly, when the hole is formed in the soft deposition area, the risk of collapse of the porous wall is only the large excavation mode, the efficiency is low, and the cost is high. And thirdly, when hard rock is encountered, the capacity of rotary drilling or manual hole forming is extremely poor.

SUMMERY OF THE UTILITY MODEL

The utility model provides an ultra-large aperture pore-forming equipment who is adapted to complicated geological conditions to it is high to dig the use cost of boring soon at present to solve, and restricted by construction environment, artifical pore-forming is inefficient, and has the safety risk, and when the regional pore-forming of deposition of soft, the risk of collapsing of porose wall, when meetting hard rock, pore-forming ability subalternation scheduling problem.

The utility model discloses a realize through following technical scheme: an ultra-large aperture pore-forming working device suitable for complex geological conditions comprises a hoisting device, a rotary motor, a driving seat, a rotary gear, a drill bit, a base, keys, a lifting flange, a lifting oil cylinder, a bearing beam, a rotary shaft, a hydraulic grab bucket, an upper support, an upper transverse pull beam, a lifting guide rail and an outer support;

the four outer supports are anchored on the ground after leveling by anchor rods, the bottom of the inner side of each outer support is fixed with a base, the middle of each outer support is fixed with a driving seat, the upper part of each outer support is provided with a lifting guide rail in the vertical direction, the upper ends of the outer supports are restrained and fixed by a bearing beam and an upper cross beam, and the four outer supports bear the lifting and rotating torque reaction force of the whole working device;

the lifting flange is arranged on the rotating shaft and can rotate relatively, the lifting oil cylinder is arranged between the lifting flange and the bearing beam, and the lifting oil cylinder drives the rotating shaft to move up and down through the lifting flange; the key is arranged in a key groove of the rotating shaft, the rotating gear is inserted into the rotating shaft and positioned by the key, the rotating gear can move up and down in the rotating shaft and the key, the rotating motor is arranged on the driving seat and is meshed with the rotating gear, the hydraulic pump station is used as a power source to supply oil to the rotating motor to drive the rotating gear to rotate, and the rotating torque of the rotating shaft is provided by the key;

the drill bit is detachably connected with the rotating shaft, one end of the connecting pipe is detachably connected with the rotating shaft, and the other end of the connecting pipe is detachably connected with the drill bit;

the upper bracket is sleeved at the upper end of the rotating shaft and provided with four bosses, the bosses are inserted into the grooves of the lifting guide rails, and the upper bracket moves up and down along the lifting guide rails during drilling; after the rotating shaft is connected with the drill bit, the upper bracket and the base support the upper bracket and the lower bracket up and down to keep the drilling angle and realize the positioning during drilling;

the top of the upper bracket is provided with a hydraulic grab bucket with the height adjusted by the hoisting device.

Further, the device still includes the protection round pin, base, takeover and drill bit all have the side direction trompil, the protection round pin can insert the side direction trompil for when dismantling takeover, drill bit after drilling is accomplished, prevent that below takeover, drill bit from falling into in having accomplished the hole.

Furthermore, the hoisting device comprises a winch, a pulley bracket, a pulley seat, a steel wire rope, a rubber tube and a pulley; the hydraulic grab bucket is hoisted above the working device through a steel wire rope on the winch through the pulley, and the hydraulic grab bucket is driven to move up and down through the winch, the steel wire rope and the pulley; the rubber tube is connected with the hydraulic grab bucket through the pulley, and the hydraulic pump station and the rubber tube provide working hydraulic oil for the hydraulic grab bucket.

Furthermore, the lower end of the rotating shaft is provided with two flanges, and the lifting flange is clamped between the upper flange and the lower flange, so that the lifting flange can move up and down and is restrained by the rotating shaft and can freely rotate in the rotating shaft.

Furthermore, the upper part of the rotating shaft is provided with steps, the lower end of the upper support is supported by the steps on the upper part of the rotating shaft, the upper end of the upper support is clamped by an upper support pressing plate arranged at the top of the rotating shaft, and when the rotating shaft moves up and down, the upper support moves up and down synchronously along the lifting guide rail to always support the rotating shaft.

Furthermore, the rotary gear is arranged in the driving seat and is clamped by the driving seat and the rotary gear baffle plate up and down.

Furthermore, two rotary motors are symmetrically arranged on the driving seat, and two lifting oil cylinders are symmetrically arranged on the driving seat.

The utility model has the advantages that: the utility model discloses a simple and easy structure of easy dismouting, transportation has realized under complicated geological conditions (like field, mountain area, deposition area), adopts the disposable pore-forming of non-blasting method, and low cost requires lowly to the construction environment, and the pore wall is collapsed when avoiding the sedimentary deposit pore-forming of softness, has sufficient hard rock pore-forming ability simultaneously. The method can be used for one-step forming of building pile holes or special geological exploration holes with the aperture of more than 1.5 meters and the depth of more than hundred meters, can greatly improve the working efficiency, save the labor cost and improve the construction safety, and has wide market prospect.

Drawings

FIG. 1 is a schematic view of the overall structure of the device of the present invention;

fig. 2 is a schematic structural view of a rotating shaft and a lifting flange of the present invention, (a) is a side view, and (b) is a perspective view;

fig. 3 is a schematic diagram of the positioning of the present invention during drilling, (a) is a perspective view, and (b) is a side view;

fig. 4 is a schematic view of a base of the present invention;

fig. 5 is a schematic view of the lifting guide rail of the present invention;

fig. 6 is a schematic view of the upper bracket of the present invention;

FIG. 7 is a schematic view of the propulsion and rotation principle of the present invention during drilling;

FIG. 8 is a schematic view of the assembly of the rotary shaft, rotary gear and key of the present invention;

fig. 9 is a schematic view of the driving seat of the present invention;

fig. 10 is a schematic view of a rotary gear of the present invention;

fig. 11 is a schematic view of the drill according to the present invention, wherein (a) is a perspective view and (b) is a side view.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1-11, the utility model provides a pair of super large aperture pore-forming equipment suitable for complicated geological conditions, including hoisting accessory, rotary motor 3, drive seat 4, slewing gear 5, drill bit 8, base 9, key 11, lift flange 12, lift cylinder 13, load beam 14, revolving axle 15, hydraulic grab 21, upper bracket 22, entablature 23, lift rail 24 and outer support 25.

As shown in fig. 3, four external supports 25 are anchored on the ground after leveling by anchor rods 26, the bottom of the inner side of the external support 25 is fixed with a base 9, as shown in fig. 4, the middle part is fixed with a driving seat 4, and the upper part is vertically provided with a lifting guide rail 24, as shown in fig. 5, the upper end of the external support 25 is restrained and fixed by two bearing beams 14 and two upper cross beams 23, and the four external supports 25 bear the lifting and rotating torque reaction force of the whole working device.

The lifting flange 12 is arranged on the rotating shaft 15 and can rotate relatively, the lifting oil cylinder 13 is arranged between the lifting flange 12 and the bearing beam 14 and is connected by a bolt, and the rotating shaft 15 is driven by the lifting oil cylinder 13 to move up and down through the lifting flange 12; as shown in fig. 8 and 10, the key 11 is installed in the key groove of the rotation shaft 15 by a bolt, the rotation gear 5 is inserted into the rotation shaft 15 and positioned by the key 11, the rotation gear 5 can move up and down in the rotation shaft 15 and the key 11, the rotation motor 3 is installed on the driving base 4 by a bolt and is engaged with the rotation gear 5, the hydraulic pump station 2 is used as a power source to supply oil to the rotation motor 3, drives the rotation gear 5 to rotate, and provides rotation torque of the rotation shaft 15 through the key 11.

As shown in fig. 11, the drill bit 8 is connected with the rotating shaft 15 by a bolt, the connecting pipe 10 is connected between the rotating shaft 15 and the drill bit 8 by a bolt, drilling and mounting of the connecting pipe 10 are repeated, the working device can reach the required drilling depth, and meanwhile, the connecting pipe 10 can realize the hole wall supporting function to avoid the collapse of the hole wall; after the drill bit 8 drills into the rock stratum, a connecting pipe 10 is arranged between the drill bit 8 and the rotating shaft 15, and the base 9 supports the connecting pipe 10 to continue drilling; as shown in fig. 3 and 4, when the adapter 10 and the drill bit 8 are disassembled after the drilling is completed, the protection pin 6 plays a role of preventing the lower adapter 10 and the drill bit 8 from falling into the completed hole.

The upper bracket 22 is sleeved on the upper end of the rotating shaft 15, as shown in fig. 6, the upper bracket 22 is provided with four bosses which are inserted into the grooves of the lifting guide rail 24, and the upper bracket 22 moves up and down along the lifting guide rail 24 when drilling; after the rotating shaft 15 is connected with the drill bit 8, the upper bracket 22 and the base 9 support the drill bit up and down to keep the drilling angle, thereby realizing the positioning during drilling.

The top of the upper bracket 22 is provided with a hydraulic grab 21 with the height adjusted by a hoisting device.

One implementation of the hoisting device is as follows: the hoisting device comprises a winch 1, a pulley bracket 16, a pulley seat 17, a steel wire rope 18, a rubber pipe 19 and a pulley 20; the pulley support 16 is fixed on the top of the outer support 25 through bolts, the pulley seat 17 is connected with the pulley support 16 through bolts, the pulley 20 is installed on the pulley support 16 through bolts, the winch 1 is fixed on the ground, the hydraulic grab bucket 21 is hoisted above the working device through the pulley 20 by a steel wire rope 18 on the winch 1, and the hydraulic grab bucket 21 is driven to move up and down through the winch 1, the steel wire rope 18 and the pulley 20; the rubber tube 19 is connected with the hydraulic grab bucket 21 through a pulley 20, and the hydraulic pump station 2 and the rubber tube 19 provide working hydraulic oil for the hydraulic grab bucket 21.

As shown in fig. 2, the lower end of the rotating shaft 15 has two flanges, and the lifting flange 12 is clamped between the two flanges, so that the lifting flange 12 is restrained by the rotating shaft 15 from moving up and down and can rotate freely in the rotating shaft 15.

The upper part of the revolving shaft 15 is provided with steps, the lower end of the upper bracket 22 is supported by the steps on the upper part of the revolving shaft 15, the upper end of the upper bracket 22 is clamped by an upper bracket pressing plate 27 arranged on the top of the revolving shaft 15, and when the revolving shaft 15 moves up and down, the upper bracket 22 moves up and down synchronously along the lifting guide rail 24, thereby always playing a role of supporting the revolving shaft 15.

As shown in fig. 9, the rotary gear 5 is installed in the driving base 4 and is vertically clamped by the driving base 4 and the rotary gear baffle plate 28; two rotary motors 3 are symmetrically arranged on the driving seat 4, and two lifting oil cylinders 13 are symmetrically arranged on the driving seat.

As shown in fig. 7 and 8, the rotary gear 5 is in gear engagement with the two rotary motors 3, so that the rotary torque is transmitted to the rotary shaft 15 and is transmitted to the drill bit 8 through the connecting pipe 10, and rock cutting is realized; two lifting oil cylinders 13 are fixed between a lifting flange 12 and a bearing beam 14, the lifting oil cylinders 13 stretch out and draw back to drive the lifting flange 12 to move up and down, and the lifting flange 12 is clamped in a rotating shaft 15 to finally drive the rotating shaft 15, the connecting pipe 10 and the drill bit 8 to move up and down to realize drilling propulsion.

The field installation method of the ultra-large aperture pore-forming working device comprises the following steps:

(1) leveling a ground surface with the length and the width of 5.5 multiplied by 5.5 meters in the field needing hole forming, accurately placing a base 9 at the position needing hole forming, and installing four outer brackets 25, a driving seat 4, two bearing beams 14 and two upper cross-beams 23 by taking the base 9 as a positioning part;

(2) drilling a hole on the ground according to the position of a fixing hole at the bottom of the outer bracket 25 by using the handheld hydraulic rock drill 7, and fixing the outer bracket 25 and the ground by using an anchor rod 26;

(3) installing a pulley bracket 16, a pulley seat 17 and a pulley 20, installing a winch 1 at a proper position, using the winch 1 as a crane to hoist and install a revolving shaft 15 and a lifting flange 12, and primarily fixing the revolving shaft 15 and the lifting flange 12 by using a lifting oil cylinder 13; installing a key 11 and a rotary gear 5 on a rotary shaft 15, installing a rotary motor 3 on a driving seat 4, hoisting an upper bracket 22 by using a winch 1, installing the upper bracket 22 at the upper end of the rotary shaft 15, inserting four lifting guide rails 24 into bosses of the upper bracket 22, and fixing the lifting guide rails 24 at the upper part of the inner side of an outer bracket 25 by using bolts;

(4) the drill bit 8 is mounted to the lower end of the rotating shaft 15, and a hydraulic grab 21 is mounted and connected to the hose 19.

The pore-forming operation method of the ultra-large pore-forming working device comprises the following steps:

(1) the hydraulic pump station 2 is used for simultaneously driving the rotary motor 3 to drive the rotary shaft 15 to rotate, and the lifting oil cylinder 13 is driven to downwards push the lifting flange 12 to drive the rotary shaft 15 and the drill bit 8 to downwards drill and push;

(2) after the drill bit 8 is completely drilled, the protective pin 6 is inserted into the lateral hole of the base 9 and the drill bit 8, the connection between the drill bit 8 and the rotating shaft 15 is loosened, the rotating shaft 15 is lifted by the lifting oil cylinder 13 and is installed into the connecting pipe 10, the connecting pipe 10 is connected with the rotating shaft 15 and the drill bit 8, the drilling operation is repeated, the downward drilling is continued, rock soil between the drill bit 8 and the connecting pipe 10 is taken out by the hydraulic grab 21, the hydraulic grab 21 has certain rock breaking capacity, when the hydraulic grab 21 cannot break and grab the rock, the hydraulic rock drill 7 is used for drilling on the hard rock, the rock is broken by the hydraulic splitter, the operation is repeated to enable the hole to reach the preset depth, and during the period, the connecting pipe 10 simultaneously plays a role in supporting, and the collapse of the hole wall is avoided;

(3) after the hole forming operation is finished, the lifting oil cylinder 13 is used for repeatedly lifting the rotating shaft 15, the connecting pipe 10 and the drill bit 8, and the connecting pipe 10 is sequentially detached, so that the device can be recycled.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. An ultra-large aperture pore-forming working device suitable for complex geological conditions is characterized by comprising a hoisting device, a rotary motor, a driving seat, a rotary gear, a drill bit, a base, a key, a lifting flange, a lifting oil cylinder, a bearing beam, a rotary shaft, a hydraulic grab bucket, an upper support, an upper transverse pull beam, a lifting guide rail and an outer support;

the four outer brackets are anchored on the leveled ground by anchor rods, the bottom of the inner side of each outer bracket is fixed with a base, the middle part of the inner side of each outer bracket is fixed with a driving seat, the upper part of each outer bracket is vertically provided with a lifting guide rail, and the upper ends of the outer brackets are restrained and fixed by a bearing beam and an upper transverse drawing beam;

the lifting flange is arranged on the rotating shaft and can rotate relatively, and the lifting oil cylinder is arranged between the lifting flange and the bearing beam; the key is arranged in the key groove of the rotating shaft, the rotating gear is inserted into the rotating shaft and positioned by the key, the rotating gear can move up and down in the rotating shaft and the key, the rotating motor is arranged on the driving seat and is meshed with the rotating gear, and the rotating motor drives the rotating gear to rotate;

the drill bit is detachably connected with the rotating shaft, one end of the connecting pipe is detachably connected with the rotating shaft, and the other end of the connecting pipe is detachably connected with the drill bit;

the upper bracket is sleeved at the upper end of the rotating shaft and provided with four bosses, the bosses are inserted into the grooves of the lifting guide rails, and the upper bracket can move up and down along the lifting guide rails; the top of the upper bracket is provided with a hydraulic grab bucket with the height adjusted by the hoisting device.

2. An ultra-large aperture hole forming device suitable for complex geological conditions, according to claim 1, characterized in that it further comprises a protection pin, said base, connecting pipe and drill bit are provided with lateral openings, said protection pin can be inserted into the lateral openings for preventing the connecting pipe and drill bit from falling into the completed hole when the connecting pipe and drill bit are disassembled.

3. The ultra-large aperture hole-forming working device suitable for complex geological conditions is characterized in that the hoisting device comprises a winch, a pulley bracket, a pulley seat, a steel wire rope, a rubber pipe and a pulley; the hydraulic grab bucket is hoisted above the working device through a pulley by a steel wire rope on the winch; the rubber tube is connected with the hydraulic grab bucket through a pulley.

4. An ultra-large aperture hole-forming working device suitable for complicated geological conditions, according to claim 1, wherein the lower end of the rotation shaft has two flanges, and the lifting flange is sandwiched between the upper and lower flanges, so that the lifting flange is restrained from moving up and down by the rotation shaft and can rotate freely in the rotation shaft.

5. The ultra-large aperture boring device for complicated geological conditions as set forth in claim 1, wherein the upper part of the rotation shaft has a step, the lower end of the upper support is supported by the step of the upper part of the rotation shaft, and the upper end is held by an upper support pressing plate installed at the top of the rotation shaft.

6. The working device for forming a hole with an ultra-large aperture suitable for complex geological conditions as claimed in claim 1, wherein the rotary gear is installed in the driving seat and is clamped up and down by the driving seat and the baffle plate of the rotary gear.

7. The working device for forming a hole with an ultra-large aperture suitable for complex geological conditions as claimed in claim 1, wherein two rotary motors are symmetrically installed on the driving seat, and two lifting cylinders are symmetrically installed on the driving seat.