Multifunctional hole forming device
Technical Field
The invention relates to the technical field of engineering machinery, in particular to a multifunctional hole forming device.
Background
The large-tonnage rotary digging engineering machinery in the market at present can carry out rotary digging of a down-the-hole under the working conditions of earthwork and rock, and the small-tonnage rotary digging engineering machinery can only carry out hole forming operation under the working conditions of earthwork.
In the prior art, the pore-forming operation equipment is usually provided with a rotary drilling drill, a down-the-hole drill, a pile driver and the like, and the crawler type rotary drilling drill is common equipment of engineering machinery and is used for working conditions such as construction sites, road construction, subway construction and the like; the down-the-hole drill is a device for drilling a hole in rock (loading explosive in the drilled hole) before engineering blasting, and has two types of internal combustion and electric; the pile driver consists of pile hammer, pile frame, auxiliary equipment, etc. the pile hammer is attached between two parallel vertical guide rods in the front of pile frame and lifted with lifting hook, the pile frame is one steel structure tower with hoisting machine in the back for hoisting pile and pile hammer, and the pile frame has two guide rods in front for controlling pile driving direction to make pile penetrate into stratum accurately.
But the small-tonnage crawler-type rotary drilling bit can only perform earth rotary drilling and cannot perform down-the-hole operation, the components such as a mast, a drill rod, a power head and the like are required to be removed in the transportation process, and the large-tonnage crawler-type rotary drilling bit can perform rotary drilling operation and down-the-hole operation; the down-the-hole drill is also special equipment, and has the characteristics of deep drilling and large drilling diameter, but can not carry out rotary drilling operation; the pile driver is a building construction machine, is generally used for foundation pile hole construction, and has unique requirements on working conditions.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a multifunctional hole forming device, which aims to solve the problem of hole forming operation of hillsides in mountainous areas, and provides a tool suitable for rotary digging and down-the-hole operation under the working condition of integrating earthwork and rock of small-tonnage engineering machinery, and the tool is convenient to transport and does not need to dismantle a rotary digging drill rod.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a multi-functional pore-forming device, includes the mast assembly, mast assembly top is equipped with sliding guide, and one side of mast assembly is equipped with the hoist system, is connected with wire rope on the hoist system, and wire rope passes sliding guide swing joint and digs the drilling rod soon, is equipped with pressurized system on the mast assembly, is connected with the unit head assembly on the pressurized system, and unit head assembly and dig the drilling rod soon transmission and connect, dig the drilling rod bottom soon and be equipped with soon and dig the drill bit.
Further, the winch system comprises a winch seat, a first hydraulic motor, a winch, a fixed seat, a transmission bolt, a cavity and an opening; the hoist seat is connected in one side of mast assembly through the fixing base, and hoist seat inside is equipped with the cavity, and hoist seat's lateral surface is equipped with the opening with the cavity intercommunication, is provided with the drive bolt of rotating with the cavity to be connected, fixedly connected with hoist on the drive bolt, encircle on the hoist and be provided with wire rope, the both ends of drive bolt all rotate with the inner wall in cavity through the bearing to be connected, hoist seat's outside one side is fixed with first hydraulic motor, and first hydraulic motor's driving end passes hoist seat's lateral wall and drive bolt and links to each other.
Further, the pressurizing system comprises a driving mechanism and a sliding connection plate, the driving mechanism is connected with the sliding connection plate, the sliding connection plate is connected with the mast assembly in a sliding manner, the sliding connection plate is connected with the power head assembly, and moves along the length direction of the mast assembly under the action of the driving mechanism and drives the power head assembly to move along the length direction of the mast assembly.
Further, the actuating mechanism is including setting up in the connecting seat of mast assembly top and bottom, all be provided with the loose axle on the connecting seat of mast assembly top and bottom, be fixed with first gear on the loose axle at mast assembly top, be fixed with the second gear on the connecting seat of mast assembly bottom, first gear and second gear pass through chain drive and connect, the opposite one side both sides of mast assembly with the hoist seat are equipped with the stopper, slide connection board passes through the spacing cardboard sliding connection that both sides set up on the stopper, slide connection board's medial surface and chain are connected, slide connection board's lateral surface and unit head assembly are connected, one side of the connecting seat at mast assembly top is equipped with the second hydraulic motor, the driving end and the first gear drive of second hydraulic motor are connected.
Further, the power head assembly comprises a rotary digging power head, a rotary digging opening, a rotary digging driving disc, driving racks, connecting holes, limiting racks, a third hydraulic motor and a first speed reducer, the rotary digging power head is provided with the rotary digging opening, the inner wall of the rotary digging opening is movably connected with the rotary digging driving disc, the diameter of the rotary digging driving disc is larger than that of the rotary digging opening, the central part of the rotary digging driving disc is provided with the connecting holes, the diameter of the connecting holes is smaller than that of the rotary digging opening, a plurality of driving racks which are vertically arranged are equidistantly and circumferentially arranged in the connecting holes, the surfaces of the rotary digging drilling rods are equidistantly and circumferentially provided with three limiting racks which are vertically arranged, the total length of the radius of the rotary digging drilling rods plus the thickness of the limiting racks is larger than that of the connecting holes minus the total length of the thickness of the driving racks, the total length of the radius of the rotary digging drilling rods plus the thickness of the limiting racks is smaller than that of the connecting holes, the rotary digging power head is also provided with the third hydraulic motor, and the driving end of the third hydraulic motor is connected with the first speed reducer, and the rotary digging driving disc are in a driving connection; the rotary digging power head is provided with a mounting plate and is connected with a sliding connecting plate through the mounting plate; each limiting rack is arranged between two adjacent transmission racks, and each limiting rack and each transmission rack are mutually matched to limit the rotation angle of the rotary drilling rod.
Further, a plurality of convex blocks which are arranged at equal intervals are arranged on two sides of the limiting rack, and arc-shaped chamfers are arranged at the joints of the convex blocks and the limiting rack.
Further, the power head assembly further comprises a down-hole power head, the down-hole power head is arranged on one side of the rotary drilling power head, a down-hole opening is formed in the down-hole power head, a down-hole transmission disc is movably connected in the down-hole opening, two fourth hydraulic motors are arranged on the down-hole power head, the transmission end of each fourth hydraulic motor is connected with a second speed reducer, the second speed reducer is in transmission connection with the down-hole transmission disc, a down-hole opening for installing a down-hole drill rod is formed in the bottom of the down-hole power head, the down-hole drill rod is detachably in transmission connection with the down-hole transmission disc, and a pipeline for conveying compressed gas to the down-hole drill rod is arranged at the top of the down-hole power head.
Further, the top of the connecting seat is connected with the sliding guide rail.
Furthermore, the rotary drilling rod is a four-section machine lock rod.
Further, a lifting oil cylinder is arranged on one surface of the mast assembly, which is far away from the rotary drilling rod.
Compared with the prior art, the invention has the following beneficial effects:
(1) The invention integrates the double functions of rotary digging and down-the-hole drilling by the power head assembly, not only can carry out the earth rotary digging hole forming operation, but also can carry out the rock down-the-hole drilling operation.
(2) According to the invention, the pressurizing winch system is matched with the pressurizing system, so that the pressure operation can be performed on the drill rod, and the working efficiency of rotary digging or down-the-hole drilling is improved.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present invention.
Fig. 2 is a schematic diagram of a hoisting system according to the present invention.
Fig. 3 is a top view of the hoisting system of the present invention.
FIG. 4 is a schematic diagram of a pressurization system according to the present invention.
Fig. 5 is a top view of the pressurization system of the present invention.
FIG. 6 is a schematic diagram of a power head assembly according to the present invention.
Fig. 7 is a schematic view of the surface structure of the rotary drilling rod according to the invention.
FIG. 8 is a schematic view of the installation work platform of the present invention.
In the figure: 1. a mast assembly; 2. a pressurization system; 22. a connecting seat; 23. a first gear; 24. a second gear; 25. a chain; 26. a sliding connection plate; 27. a movable shaft; 28. a limiting block; 29. a limiting clamping plate; 210. a second hydraulic motor; 3. a hoisting system; 31. a winch seat; 32. a first hydraulic motor; 33. hoisting; 34. a fixing seat; 35. a drive bolt; 36. a cavity; 37. an opening; 4. a power head assembly; 41. a power head is rotationally dug; 42. a down-the-hole power head; 43. digging a mouth in a rotary way; 44. rotary digging a transmission disc; 45. a drive rack; 46. a connection hole; 47. a limit rack; 48. a third hydraulic motor; 49. a first speed reducer; 410. a submerged orifice; 411. a down-the-hole drive plate; 412. a fourth hydraulic motor; 413. a second speed reducer; 414. a mounting plate; 415. arc chamfering; 416. a bump; 5. rotary digging a drill rod; 6. lifting oil cylinders; 7. rotary drilling bit; 9. a wire rope; 10. a sliding guide rail; 11. and a working platform.
Detailed Description
As shown in fig. 1, the present invention provides the following technical solutions: the utility model provides a multi-functional pore-forming device, includes mast assembly 1, mast assembly 1 top is equipped with slide rail 10, and one side of mast assembly 1 is equipped with hoist system 3, is connected with wire rope 9 on the hoist system 3, and wire rope 9 passes slide rail 10 swing joint and digs drilling rod 5 soon, is equipped with pressurization system 2 on the mast assembly 1, is connected with power head assembly 4 on the pressurization system 2, and power head assembly 4 and dig drilling rod 5 soon transmission connection, dig drilling rod 5 soon bottom soon is equipped with digs drill bit 7 soon.
As shown in fig. 2 to 3, the hoist system 3 includes a hoist block 31, a first hydraulic motor 32, a hoist 33, a fixed block 34, a drive bolt 35, a cavity 36, and an opening 37; the winch seat 31 is connected to one side of the mast assembly 1 through the fixing seat 34, a cavity 36 is formed in the winch seat 31, an opening 37 communicated with the cavity 36 is formed in the outer side face of the winch seat 31, a transmission bolt 35 in rotary connection with the cavity 36 is arranged in the cavity 36, a winch 33 is fixedly connected to the transmission bolt 35, a steel wire rope 9 is arranged on the winch 33 in a surrounding mode, two ends of the transmission bolt 35 are in rotary connection with the inner wall of the cavity 36 through bearings, a first hydraulic motor 32 is fixed on one side of the outer side of the winch seat 31, and a transmission end of the first hydraulic motor 32 penetrates through the side wall of the winch seat 31 and is connected with the transmission bolt 35;
the working flow of the hoisting system 3 is as follows: the first hydraulic motor 32 drives the winch 33 to rotate under the limitation of the bearing through the transmission bolt 35, and the winch 33 rotates to tighten or loosen the wire rope 9 in a surrounding manner, so as to lift and lower the rotary drilling rod 5.
As shown in fig. 4-5, the pressurizing system 2 comprises a driving mechanism and a sliding connection plate 26, the driving mechanism is connected with the sliding connection plate 26, the sliding connection plate 26 is connected with the mast assembly 1 in a sliding manner, the sliding connection plate 26 is connected with the power head assembly 4, the sliding connection plate 26 moves along the length direction of the mast assembly 1 under the action of the driving mechanism, and the power head assembly 4 is driven to move along the length direction of the mast assembly 1.
The driving mechanism comprises connecting seats 22 arranged at the top and the bottom of the mast assembly 1, movable shafts 27 are arranged on the connecting seats at the top and the bottom of the mast assembly 1, a first gear 23 is fixed on the movable shaft 27 at the top of the mast assembly 1, a second gear 24 is fixed on the connecting seat at the bottom of the mast assembly 1, the first gear 23 and the second gear 24 are in transmission connection through a chain 25, limiting blocks 28 are arranged on two sides of the opposite surface of the mast assembly 1 to a hoisting seat 31, a sliding connection plate 26 is in sliding connection with the limiting blocks 28 through limiting clamping plates 29 arranged on two sides, the inner side surface of the sliding connection plate 26 is connected with the chain 25, the outer side surface of the sliding connection plate 26 is connected with the power head assembly 4, a second hydraulic motor 210 is arranged on one side of the connecting seat 22 at the top of the mast assembly 1, and the transmission end of the second hydraulic motor 210 is in transmission connection with the first gear 23; the top of the connecting seat 22 is connected with the sliding guide rail 10.
The working flow of the pressurizing system 2 is as follows: when in use, the second hydraulic motor 210 drives the first gear 23 to rotate under the restriction of the movable shaft 27, the first gear 23 drives the second gear 24 to rotate through the chain 25, so that the chain 25 drives the sliding connection plate 26 to move downwards under the restriction of the limiting block 28 and the limiting clamping plate 29, and further the power head assembly 4 connected to the sliding connection plate 26 is pressurized.
As shown in fig. 6, the power head assembly 4 comprises a rotary power head 41, a rotary drilling hole 43, a rotary drilling driving disk 44, a driving rack 45, a connecting hole 46, a limiting rack 47, a third hydraulic motor 48 and a first speed reducer 49, wherein the rotary drilling power head 41 is provided with the rotary drilling hole 43, the rotary drilling driving disk 44 is movably connected to the inner wall of the rotary drilling hole 43, the diameter of the rotary drilling driving disk 44 is larger than that of the rotary drilling hole 43, the center part of the rotary drilling driving disk 44 is provided with the connecting hole 46, the diameter of the connecting hole 46 is smaller than that of the rotary drilling hole 43, three vertically arranged driving racks 45 are equidistantly arranged in the connecting hole 46 in a surrounding manner, three vertically arranged limiting racks 47 are equidistantly arranged on the surface of a rotary drilling rod 5 in the connecting hole 46 at the center part of the rotary drilling rod 44, the total length of the radius of the rotary drilling rod 5 plus the thickness of the limiting rack 47 is larger than that of the connecting hole 46 minus the total length of the thickness of the driving rack 45, the total length of the thickness of the rotary drilling rod 5 plus the limiting rack 47 is smaller than that of the connecting hole 46, the rotary drilling power head 41 is also provided with the third hydraulic motor 48 and the first speed reducer 49 which are connected with the first speed reducer 49; the rotary digging power head 41 is provided with a mounting plate 414, and the rotary digging power head 41 is connected with the sliding connecting plate 26 through the mounting plate 414; each of the limiting racks 47 is disposed between two adjacent driving racks 45, and each of the limiting racks 47 and the driving racks 45 cooperate with each other to limit the rotation angle of the rotary drilling rod 5.
Working principle of rotary digging power head 41: when the rotary drilling machine is used, the third hydraulic motor 48 drives the rotary drilling driving disc 44 through the first speed reducer 49, the rotary drilling driving disc 44 drives the driving rack 45 in the connecting hole 46 to move in a surrounding mode, and the driving rack 45 presses the limiting rack 47 on the rotary drilling rod 5, so that the rotary drilling rod 5 rotates;
as shown in fig. 7, a plurality of equally-spaced protruding blocks 416 are arranged on two sides of the limiting rack 47, and arc-shaped chamfers 415 are arranged at the connection parts of the protruding blocks 416 and the limiting rack 47; through the plurality of protruding blocks 416, when the transmission rack 45 presses the limit rack 47, the transmission rack 45 and the limit rack 47 are attached together, the protruding blocks 416 enable the rotary drill rod 5 not to be ejected when being pressed by the pressing system 2, and when the rotary drill rod 5 drives the rotary drill bit 7 to work and drill to a hard object to collide, the arc-shaped chamfer 415 can enable the transmission rack 45 and the limit rack 47 to be separated, so that the rotary drill bit 7 is prevented from being damaged;
the power head assembly 4 further comprises a down-hole power head 42, the down-hole power head 42 is arranged on one side of the rotary drilling power head 41, a down-hole orifice 410 is arranged on the down-hole power head 42, a down-hole transmission disc 411 is movably connected in the down-hole orifice 410, two fourth hydraulic motors 412 are arranged on the down-hole power head 42, the transmission end of each fourth hydraulic motor 412 is connected with a second speed reducer 413, the second speed reducers 413 are in transmission connection with the down-hole transmission disc 411, a down-hole opening for installing a down-hole drill rod is arranged at the bottom of the down-hole power head 42, the down-hole drill rod is detachably in transmission connection with the down-hole transmission disc 411, and a pipeline for conveying compressed gas to the down-hole drill rod is arranged at the top of the down-hole power head 42;
principle of operation of the down-the-hole power head 42: when the device is used, the two fourth hydraulic motors 412 drive the down-the-hole transmission disc 411 to rotate through the second speed reducer 413, the down-the-hole transmission disc 411 drives the down-the-hole drill rod to operate, and meanwhile, the pipeline at the top of the down-the-hole power head 42 transmits compressed gas to the down-the-hole drill rod to operate.
The rotary drilling rod 5 is a four-section machine lock rod, so that the rotary drilling rod 5 can be lengthened according to different action conditions, and the depth of pore-forming operation is increased;
as shown in FIG. 8, a lifting oil cylinder 6 is arranged on one surface of the mast assembly 1 far away from the rotary drilling rod 5, and the mast assembly 1 can be connected to different working platforms 11 for use through the lifting oil cylinder 6.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.