CN112459713A - Multipurpose rotary digging crane - Google Patents

Multipurpose rotary digging crane Download PDF

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Publication number
CN112459713A
CN112459713A CN202011309880.2A CN202011309880A CN112459713A CN 112459713 A CN112459713 A CN 112459713A CN 202011309880 A CN202011309880 A CN 202011309880A CN 112459713 A CN112459713 A CN 112459713A
Authority
CN
China
Prior art keywords
boom mast
section
mast
boom
crane
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202011309880.2A
Other languages
Chinese (zh)
Inventor
李云飞
刘宁
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhengzhou Fudao Machinery Co ltd
Original Assignee
Zhengzhou Fudao Machinery Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhengzhou Fudao Machinery Co ltd filed Critical Zhengzhou Fudao Machinery Co ltd
Priority to CN202011309880.2A priority Critical patent/CN112459713A/en
Publication of CN112459713A publication Critical patent/CN112459713A/en
Pending legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/02—Drilling rigs characterized by means for land transport with their own drive, e.g. skid mounting or wheel mounting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C13/00—Other constructional features or details
    • B66C13/12—Arrangements of means for transmitting pneumatic, hydraulic, or electric power to movable parts of devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/04—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes with jibs the effective length of which is variable in operation, e.g. longitudinally displaceable, extensible
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/06—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes with jibs mounted for jibbing or luffing movements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/60—Derricks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/62—Constructional features or details
    • B66C23/64—Jibs
    • B66C23/66—Outer or upper end constructions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/62—Constructional features or details
    • B66C23/64—Jibs
    • B66C23/70—Jibs constructed of sections adapted to be assembled to form jibs or various lengths
    • B66C23/701—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic
    • B66C23/705—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic telescoped by hydraulic jacks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/62—Constructional features or details
    • B66C23/82—Luffing gear
    • B66C23/821—Bracing equipment for booms
    • B66C23/826—Bracing equipment acting at an inclined angle to vertical and horizontal directions
    • B66C23/828—Bracing equipment acting at an inclined angle to vertical and horizontal directions where the angle is adjustable
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B15/00—Supports for the drilling machine, e.g. derricks or masts
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
    • E21B19/08—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods
    • E21B19/084—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods with flexible drawing means, e.g. cables
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
    • E21B19/24—Guiding or centralising devices for drilling rods or pipes
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B3/00—Rotary drilling

Abstract

The invention belongs to the technical field of rotary excavating cranes, and particularly relates to a multipurpose rotary excavating crane; the device comprises a chassis, wherein a U-shaped connecting frame, an auxiliary winch and a main winch are arranged on the chassis; the U-shaped connecting frame is respectively hinged with the basic section of the mast of the suspension arm and the luffing cylinder of the mast of the suspension arm, and the luffing cylinder of the mast of the suspension arm is hinged with the basic section of the mast of the suspension arm; the basic section of the boom mast is connected with a second section of the boom mast through a boom mast telescopic oil cylinder, and an inner section of the boom mast is arranged inside the second section of the boom mast in a sliding manner; the basic section of the boom mast is provided with a slideway and a pressurizing oil cylinder, the power head is connected with the basic section of the boom mast through the slideway, and a piston rod of the pressurizing oil cylinder is hinged with the power head; when the hoisting device is used as piling equipment, a steel wire rope on the main winch is connected with the elevator, and when the hoisting device is used as a crawler type middle crane, the steel wire rope is connected with the lifting hook; the invention integrates two functions of the rotary drilling rig and the crane, improves the construction efficiency, reduces the equipment types and the time for switching the equipment, and reduces the construction cost.

Description

Multipurpose rotary digging crane
Technical Field
The invention belongs to the technical field of rotary excavating cranes, and particularly relates to a multipurpose rotary excavating crane.
Background
The engineering machinery on the market is single professional equipment, namely one equipment can only meet one working requirement, and one equipment cannot simultaneously meet two functions; in actual engineering construction, the operation of one engineering is realized by the cooperation of multiple processes and working procedures, and at the moment, multiple devices are required to be constructed according to the process sequence in the engineering construction, so that the scene of multiple construction device operation exists in a limited construction site; for a construction site with a narrow space, equipment cannot be constructed; in addition, the construction process requires more required equipment, the construction cost is higher, and the construction cost is greatly increased; aiming at the requirements of a cast-in-place pile construction process in pile foundation construction, a rotary drilling rig and a crane are required in a traditional construction method, the rotary drilling rig firstly performs hole forming operation in the pile foundation construction, then the crane performs earth and stone hoisting operation, the types of the equipment required in the construction process are various, the time for equipment switching is long, the construction efficiency is low, and the construction cost is high.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides the multipurpose rotary drilling crane which is reasonable in structure, convenient to operate and use, capable of integrating two functions of a rotary drilling rig and a crane into a whole, improving the construction efficiency, reducing the equipment type and the time for switching the equipment and reducing the construction cost.
The purpose of the invention is realized as follows: the multipurpose rotary digging crane comprises a chassis, wherein the chassis comprises a lower frame and an upper frame, a power assembly is arranged on the upper frame, the lower frame comprises a walking motor, a speed reducer and a four-wheel belt, a U-shaped connecting frame is fixedly arranged on the chassis, and an auxiliary winch and a main winch are fixedly arranged on the U-shaped connecting frame; the front end of the U-shaped connecting frame is hinged with the basic section of the mast of the suspension arm through a pin shaft, the upper end of the U-shaped connecting frame is hinged with the derricking cylinder of the mast of the suspension arm through a pin shaft, and a piston rod of the derricking cylinder of the mast of the suspension arm is hinged with a fixed point in the middle of the basic section of the mast of the suspension arm through a pin shaft to form a stable triangular structure; the front part of the basic section of the boom mast is connected with the front part of the second section of the boom mast through a boom mast telescopic oil cylinder, and the inner part of the second section of the boom mast is provided with a boom mast inner section in a sliding way; the top end of the inner section of the boom mast is provided with a pulley yoke, and the bottom end of the basic section of the boom mast is connected with a lower section of the boom mast through a bolt; the boom mast basic section, the boom mast telescopic oil cylinder, the boom mast secondary section, the boom mast inner section, the pulley yoke and the boom mast lower section jointly form a boom mast; the basic section of the boom mast is provided with a slideway, the power head is connected with the basic section of the boom mast in a sliding way through the slideway, the basic section of the boom mast is connected with a pressurizing oil cylinder through a pin shaft, and a piston rod of the pressurizing oil cylinder is hinged with the power head through the pin shaft; when the multipurpose rotary excavating crane is used as piling equipment, a steel wire rope on the main winch is connected with an elevator through the pulley yoke on the inner section of the mast of the suspension arm, the lower end of the elevator is connected with a drill rod, and the drill rod penetrates through an inner key sleeve of the power head and is connected with a drill bit; when the multipurpose rotary digging crane is used as a crawler type crane, a steel wire rope on the main winch bypasses the pulley yoke on the inner section of the boom mast and the driving pulley sliding group in the lifting hook, and is finally fixed on the inner section of the boom mast.
The power assembly arranged on the upper frame comprises an engine, a hydraulic pump and a valve.
The U-shaped connecting frame is fixedly connected with the chassis through a pin shaft, and the auxiliary winch and the main winch are fixedly connected with the U-shaped connecting frame through bolts.
The main winch is arranged inside the U-shaped connecting frame, and the auxiliary winch is arranged on the lateral rear portion of the U-shaped connecting frame.
The inner part of the second section of the boom mast is connected with the inner section of the boom mast through a steel wire rope and a pulley mechanism.
The pulley yoke is connected with the elevator through a pin shaft, the lower end of the elevator is connected with the drill rod through a pin shaft, and the drill rod is connected with the drill bit through a pin shaft.
The basic section of the boom mast is provided with a centralizer, one end of the centralizer is connected with the upper part of the drill rod through a flange and a bolt, and the other end of the centralizer is in sliding connection with the basic section of the boom mast through the slideway.
And one end of the power head is provided with a claw which is clamped on the slideway, and the power head is connected with the basic section of the boom mast in a sliding manner through the claw and the slideway.
The invention has the beneficial effects that: when the multipurpose rotary drilling crane is used as a crawler-type rotary drilling rig for construction, the telescopic oil cylinder of the mast of the suspension arm is in a contraction state, the second section of the mast of the suspension arm and the inner section of the mast of the suspension arm are retracted into the basic section of the mast of the suspension arm, the lifting hook is removed, a steel wire rope on the main winch is connected with the elevator, the elevator is connected with the drill rod, the drill bit is fixed at the lower end of the drill rod, and hole forming operation can be carried out under the driving of; when the crawler crane is used, the lifting device, the drill rod and the drill bit are dismantled, the second boom mast section and the inner boom mast section are simultaneously stretched out, and the lifting hook is installed, so that the installation of the crawler crane can be completed; due to the adoption of the crawler-type chassis capable of walking, the crane can not only rotate like a traditional crane during operation, but also lift heavy objects for a long distance to transport; in a transportation state, the drill bit is removed, the basic horizontal state of the mast of the suspension arm is achieved by adjusting the extending amount of the luffing cylinder of the mast of the suspension arm, and the plate trailer can be driven to transport without dismounting the drill rod; the multipurpose rotary digging crane disclosed by the invention is reasonable in structure and convenient to operate and use, integrates two functions of a crawler type rotary digging drilling machine and a crawler type crane into a whole, can perform hole forming operation in pile foundation construction firstly, and then perform earth and stone hoisting operation, improves the construction efficiency, reduces the types of equipment and the time for switching the equipment, reduces the construction cost, and meets the requirements of two working conditions by one equipment.
Drawings
FIG. 1 is a schematic structural view of the multipurpose rotary excavating crane of the present invention as a crane.
FIG. 2 is a schematic structural diagram of the multi-purpose rotary drilling crane of the present invention in the process of converting the rotary drilling rig from a crane.
FIG. 3 is a schematic structural view of the multi-purpose rotary drilling crane of the present invention as a rotary drilling rig.
FIG. 4 is a schematic structural diagram of the multi-purpose rotary excavating crane in a transportation state.
In the figure: 1. the crane comprises a chassis 2, an auxiliary winch 3, a U-shaped connecting frame 4, a main winch 5, a boom mast amplitude cylinder 6, a boom mast basic section 7, a boom mast telescopic cylinder 8, a boom mast second section 9, a boom mast inner section 10, a lifting hook 11, a boom mast lower section 12, a lifter 13, a drill rod 14, a centralizer 15, a pressurizing cylinder 16, a power head 17, a drill bit 18, a pulley frame 19 and a slide way.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
Example 1
As shown in fig. 1-4, the multipurpose rotary digging crane comprises a chassis 1, wherein the chassis 1 comprises a lower frame and an upper frame, wherein the upper frame is provided with a power assembly, the lower frame comprises a walking motor, a speed reducer and a four-wheel belt, a U-shaped connecting frame 3 is fixedly arranged on the chassis 1, and an auxiliary winch 2 and a main winch 4 are fixedly arranged on the U-shaped connecting frame 3; the front end of the U-shaped connecting frame 3 is hinged with a basic section 6 of the boom mast through a pin shaft, the upper end of the U-shaped connecting frame 3 is hinged with a luffing cylinder 5 of the boom mast through a pin shaft, and a piston rod of the luffing cylinder 5 of the boom mast is hinged with a fixed point in the middle of the basic section 6 of the boom mast through a pin shaft to form a stable triangular structure; the front part of the boom mast basic section 6 is connected with the front part of a boom mast second section 8 through a boom mast telescopic oil cylinder 7, and a boom mast inner section 9 is arranged inside the boom mast second section 8 in a sliding manner; the top end of the boom mast inner section 9 is provided with a pulley yoke 18, and the bottom end of the boom mast basic section 6 is connected with a boom mast lower section 11 through a bolt; the boom mast basic section 6, the boom mast telescopic oil cylinder 7, the boom mast second section 8, the boom mast inner section 9, the pulley yoke 18 and the boom mast lower section 11 jointly form a boom mast; a slideway 19 is arranged on the basic section 6 of the boom mast, a power head 16 is connected with the basic section 6 of the boom mast in a sliding way through the slideway 19, the basic section 6 of the boom mast is connected with a pressurizing oil cylinder 15 through a pin shaft, and a piston rod of the pressurizing oil cylinder 15 is hinged with the power head 16 through a pin shaft; when the multipurpose rotary excavating crane is used as a piling device, a steel wire rope on the main winch 4 is connected with an elevator 12 through the pulley yoke 18 on the boom mast inner section 9, the lower end of the elevator 12 is connected with a drill rod 13, and the drill rod 13 penetrates through an inner key sleeve of the power head 16 and is connected with a drill bit 17; when the multipurpose rotary digging crane is used as a crawler type crane, a steel wire rope on the main winch 4 bypasses the pulley yoke 18 on the boom mast inner section 9 and a driving pulley sliding group in the lifting hook 10, and is finally fixed on the boom mast inner section 9.
When the multipurpose rotary drilling crane is used as a crawler-type rotary drilling rig for construction, the boom mast telescopic oil cylinder 7 is in a contraction state, the boom mast second section 8 and the boom mast inner section 9 are retracted into the boom mast basic section 6, the lifting hook 10 is removed, a steel wire rope on the main winch 4 is connected with the elevator 12, the elevator 12 is connected with the drill rod 13, the lower end of the drill rod 13 is fixed with the drill bit 17, and hole forming operation can be carried out under the driving of the main winch 4; when the crawler crane is used, the elevator 12, the drill rod 13 and the drill bit 17 are dismantled, the boom mast second section 8 and the boom mast inner section 9 are simultaneously extended out, and the lifting hook 10 is installed, so that the installation of the crawler crane can be completed; due to the adoption of the crawler-type chassis capable of walking, the crane can not only rotate like a traditional crane during operation, but also lift heavy objects for a long distance to transport; in a transportation state, the drill bit 17 is removed, the basic horizontal state of the boom mast section 6 is achieved by adjusting the extending amount of the boom mast derricking cylinder 5, and the plate trailer can be driven to transport without dismounting the drill rod 13; the multipurpose rotary digging crane disclosed by the invention is reasonable in structure and convenient to operate and use, integrates two functions of a crawler type rotary digging drilling machine and a crawler type crane into a whole, can perform hole forming operation in pile foundation construction firstly, and then perform earth and stone hoisting operation, improves the construction efficiency, reduces the types of equipment and the time for switching the equipment, reduces the construction cost, and meets the requirements of two working conditions by one equipment.
Example 2
As shown in fig. 1-4, the multipurpose rotary digging crane comprises a chassis 1, wherein the chassis 1 comprises a lower frame and an upper frame, wherein the upper frame is provided with a power assembly, the lower frame comprises a walking motor, a speed reducer and a four-wheel belt, a U-shaped connecting frame 3 is fixedly arranged on the chassis 1, and an auxiliary winch 2 and a main winch 4 are fixedly arranged on the U-shaped connecting frame 3; the front end of the U-shaped connecting frame 3 is hinged with a basic section 6 of the boom mast through a pin shaft, the upper end of the U-shaped connecting frame 3 is hinged with a luffing cylinder 5 of the boom mast through a pin shaft, and a piston rod of the luffing cylinder 5 of the boom mast is hinged with a fixed point in the middle of the basic section 6 of the boom mast through a pin shaft to form a stable triangular structure; the front part of the boom mast basic section 6 is connected with the front part of a boom mast second section 8 through a boom mast telescopic oil cylinder 7, and a boom mast inner section 9 is arranged inside the boom mast second section 8 in a sliding manner; the top end of the boom mast inner section 9 is provided with a pulley yoke 18, and the bottom end of the boom mast basic section 6 is connected with a boom mast lower section 11 through a bolt; the boom mast basic section 6, the boom mast telescopic oil cylinder 7, the boom mast second section 8, the boom mast inner section 9, the pulley yoke 18 and the boom mast lower section 11 jointly form a boom mast; a slideway 19 is arranged on the basic section 6 of the boom mast, a power head 16 is connected with the basic section 6 of the boom mast in a sliding way through the slideway 19, the basic section 6 of the boom mast is connected with a pressurizing oil cylinder 15 through a pin shaft, and a piston rod of the pressurizing oil cylinder 15 is hinged with the power head 16 through a pin shaft; when the multipurpose rotary excavating crane is used as a piling device, a steel wire rope on the main winch 4 is connected with an elevator 12 through the pulley yoke 18 on the boom mast inner section 9, the lower end of the elevator 12 is connected with a drill rod 13, and the drill rod 13 penetrates through an inner key sleeve of the power head 16 and is connected with a drill bit 17; when the multipurpose rotary digging crane is used as a crawler type crane, a steel wire rope on the main winch 4 bypasses the pulley yoke 18 on the boom mast inner section 9 and a driving pulley sliding group in the lifting hook 10, and is finally fixed on the boom mast inner section 9.
For better effect, the power assembly arranged on the upper frame comprises an engine, a hydraulic pump and a valve, and is reasonable in structure and convenient to operate.
For better effect, the U-shaped connecting frame 3 is fixedly connected with the chassis 1 through a pin shaft, the auxiliary winch 2 and the main winch 4 are fixedly connected with the U-shaped connecting frame 3 through bolts, the structure is reasonable, and the connection and the assembly are convenient.
For better effect, the main winch 4 is arranged inside the U-shaped connecting frame 3, and the auxiliary winch 2 is arranged at the lateral rear part of the U-shaped connecting frame 3.
In order to achieve better effect, the inner part of the second boom mast section 8 is connected with the inner boom mast section 9 through a steel wire rope and a pulley mechanism, so that the structure is reasonable, the assembly is convenient, and the power output is convenient.
In order to achieve better effect, the pulley yoke 18 is connected with the elevator 12 through a pin shaft, the lower end of the elevator 12 is connected with the drill rod 13 through a pin shaft, and the drill rod 13 is connected with the drill bit 17 through a pin shaft, so that the assembly and disassembly efficiency of the invention during conversion between two machines is facilitated, and the structural strength is ensured.
For better effect, a centralizer 14 is arranged on the boom mast basic section 6, one end of the centralizer 14 is connected with the upper part of the drill rod 13 through a flange and a bolt, and the other end of the centralizer 14 is connected with the boom mast basic section 6 in a sliding way through the slideway 19, so that the stability of the drill rod 13 during working can be effectively ensured.
For better effect, one end of the power head 16 is provided with a claw 16, the claw 16 is clamped on the slideway 19, the power head 16 is connected with the basic section 6 of the boom mast in a sliding manner through the claw 16 and the slideway 19, so that the working stability of the drill rod 13 and the drill bit 17 is improved, and meanwhile, the installation is convenient.
When the multipurpose rotary drilling crane is used as a crawler-type rotary drilling rig for construction, the boom mast telescopic oil cylinder 7 is in a contraction state, the boom mast second section 8 and the boom mast inner section 9 are retracted into the boom mast basic section 6, the lifting hook 10 is removed, a steel wire rope on the main winch 4 is connected with the elevator 12, the elevator 12 is connected with the drill rod 13, the lower end of the drill rod 13 is fixed with the drill bit 17, and hole forming operation can be carried out under the driving of the main winch 4; when the crawler crane is used, the elevator 12, the drill rod 13 and the drill bit 17 are dismantled, the boom mast second section 8 and the boom mast inner section 9 are simultaneously extended out, and the lifting hook 10 is installed, so that the installation of the crawler crane can be completed; due to the adoption of the crawler-type chassis capable of walking, the crane can not only rotate like a traditional crane during operation, but also lift heavy objects for a long distance to transport; in a transportation state, the drill bit 17 is removed, the basic horizontal state of the boom mast section 6 is achieved by adjusting the extending amount of the boom mast derricking cylinder 5, and the plate trailer can be driven to transport without dismounting the drill rod 13; the multipurpose rotary digging crane disclosed by the invention is reasonable in structure and convenient to operate and use, integrates two functions of a crawler type rotary digging drilling machine and a crawler type crane into a whole, can perform hole forming operation in pile foundation construction firstly, and then perform earth and stone hoisting operation, improves the construction efficiency, reduces the types of equipment and the time for switching the equipment, reduces the construction cost, and meets the requirements of two working conditions by one equipment.

Claims (8)

1. The multipurpose rotary excavating crane comprises a chassis (1), wherein the chassis (1) comprises a lower frame and an upper frame, a power assembly is arranged on the upper frame, and the lower frame comprises a walking motor, a speed reducer and four wheels, and is characterized in that: a U-shaped connecting frame (3) is fixedly arranged on the chassis (1), and an auxiliary winch (2) and a main winch (4) are fixedly arranged on the U-shaped connecting frame (3); the front end of the U-shaped connecting frame (3) is hinged with a basic section (6) of the boom mast through a pin shaft, the upper end of the U-shaped connecting frame (3) is hinged with a luffing cylinder (5) of the boom mast through a pin shaft, and a piston rod of the luffing cylinder (5) of the boom mast is hinged with a fixed point in the middle of the basic section (6) of the boom mast through a pin shaft to form a stable triangular structure; the front part of the basic section (6) of the boom mast is connected with the front part of a second section (8) of the boom mast through a boom mast telescopic oil cylinder (7), and a boom mast inner section (9) is arranged inside the second section (8) of the boom mast in a sliding manner; the top end of the boom mast inner section (9) is provided with a pulley yoke (18), and the bottom end of the boom mast basic section (6) is connected with a boom mast lower section (11) through a bolt; the boom mast basic section (6), the boom mast telescopic oil cylinder (7), the boom mast second section (8), the boom mast inner section (9), the pulley yoke (18) and the boom mast lower section (11) jointly form the boom mast; a slideway (19) is arranged on the basic section (6) of the boom mast, a power head (16) is connected with the basic section (6) of the boom mast in a sliding way through the slideway (19), the basic section (6) of the boom mast is connected with a pressurizing oil cylinder (15) through a pin shaft, and a piston rod of the pressurizing oil cylinder (15) is hinged with the power head (16) through the pin shaft; when the multipurpose rotary excavating crane is used as piling equipment, a steel wire rope on the main winch (4) is connected with an elevator (12) through the pulley yoke (18) on the inner section (9) of the boom mast, the lower end of the elevator (12) is connected with a drill rod (13), and the drill rod (13) penetrates through an inner key sleeve of the power head (16) and is connected with a drill bit (17); when the multipurpose rotary digging crane is used as a crawler type crane, a steel wire rope on the main winch (4) bypasses the pulley yoke (18) on the inner section (9) of the boom mast and a driving pulley sliding group in the lifting hook (10), and is finally fixed on the inner section (9) of the boom mast.
2. The multipurpose rotary excavating crane according to claim 1, characterized in that: the power assembly arranged on the upper frame comprises an engine, a hydraulic pump and a valve.
3. The multipurpose rotary excavating crane according to claim 1, characterized in that: the U-shaped connecting frame (3) is fixedly connected with the chassis (1) through a pin shaft, and the auxiliary winch (2) and the main winch (4) are fixedly connected with the U-shaped connecting frame (3) through bolts.
4. The multipurpose rotary excavating crane according to claim 1, characterized in that: the main winch (4) is arranged inside the U-shaped connecting frame (3), and the auxiliary winch (2) is arranged at the lateral rear part of the U-shaped connecting frame (3).
5. The multipurpose rotary excavating crane according to claim 1, characterized in that: the interior of the boom mast second section (8) is connected with the boom mast inner section (9) through a steel wire rope and a pulley mechanism.
6. The multipurpose rotary excavating crane according to claim 1, characterized in that: the pulley yoke (18) is connected with the elevator (12) through a pin shaft, the lower end of the elevator (12) is connected with the drill rod (13) through a pin shaft, and the drill rod (13) is connected with the drill bit (17) through a pin shaft.
7. The multipurpose rotary excavating crane according to claim 1, characterized in that: a centralizer (14) is arranged on the basic section (6) of the boom mast, one end of the centralizer (14) is connected with the upper part of the drill rod (13) through a flange and a bolt, and the other end of the centralizer (14) is connected with the basic section (6) of the boom mast in a sliding mode through the slide way (19).
8. The multipurpose rotary excavating crane according to claim 1, characterized in that: one end of the power head (16) is provided with a clamping jaw (16), the clamping jaw (16) is clamped on the slide way (19), and the power head (16) is connected with the basic section (6) of the suspension arm mast in a sliding mode through the clamping jaw (16) and the slide way (19).
CN202011309880.2A 2020-11-20 2020-11-20 Multipurpose rotary digging crane Pending CN112459713A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011309880.2A CN112459713A (en) 2020-11-20 2020-11-20 Multipurpose rotary digging crane

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011309880.2A CN112459713A (en) 2020-11-20 2020-11-20 Multipurpose rotary digging crane

Publications (1)

Publication Number Publication Date
CN112459713A true CN112459713A (en) 2021-03-09

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011309880.2A Pending CN112459713A (en) 2020-11-20 2020-11-20 Multipurpose rotary digging crane

Country Status (1)

Country Link
CN (1) CN112459713A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114645672A (en) * 2022-05-23 2022-06-21 烟建集团有限公司 Rotary drilling rock drilling device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114645672A (en) * 2022-05-23 2022-06-21 烟建集团有限公司 Rotary drilling rock drilling device

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