CN112938849B - Safety device for construction machinery - Google Patents
Safety device for construction machinery Download PDFInfo
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- CN112938849B CN112938849B CN202110128336.6A CN202110128336A CN112938849B CN 112938849 B CN112938849 B CN 112938849B CN 202110128336 A CN202110128336 A CN 202110128336A CN 112938849 B CN112938849 B CN 112938849B
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- 238000010276 construction Methods 0.000 title claims abstract description 20
- 230000007246 mechanism Effects 0.000 claims abstract description 18
- 239000000872 buffer Substances 0.000 claims description 21
- 238000000034 method Methods 0.000 claims description 10
- 230000003139 buffering effect Effects 0.000 claims description 7
- 230000002146 bilateral effect Effects 0.000 claims description 5
- 230000009471 action Effects 0.000 abstract description 6
- 230000005484 gravity Effects 0.000 description 5
- 230000009977 dual effect Effects 0.000 description 4
- 230000001174 ascending effect Effects 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000009435 building construction Methods 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F11/00—Lifting devices specially adapted for particular uses not otherwise provided for
- B66F11/04—Lifting devices specially adapted for particular uses not otherwise provided for for movable platforms or cabins, e.g. on vehicles, permitting workmen to place themselves in any desired position for carrying out required operations
- B66F11/044—Working platforms suspended from booms
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F13/00—Common constructional features or accessories
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F17/00—Safety devices, e.g. for limiting or indicating lifting force
- B66F17/006—Safety devices, e.g. for limiting or indicating lifting force for working platforms
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Forklifts And Lifting Vehicles (AREA)
Abstract
The invention discloses a safety device for construction machinery, which comprises a base, wherein a supporting seat is fixedly arranged at the top of the base, a rotating arm is rotatably arranged at the top of the supporting seat, a fixed arm is rotatably arranged at one end, away from the top of the supporting seat, of the rotating arm, a working vehicle is arranged at one end, away from the rotating arm, of the fixed arm, two supporting mechanisms are symmetrically arranged on two sides of the base, each supporting mechanism comprises a fixed foot seat and a rotating foot seat, a fourth hydraulic cylinder is arranged on each fixed foot seat, and a piston rod of each fourth hydraulic cylinder is hinged to each rotating foot seat. According to the invention, the fourth hydraulic cylinder is started, the piston rod of the fourth hydraulic cylinder drives the rotating foot base to rotate, so that the supporting foot base at the end part of the rotating foot base is driven to contact the ground, the four supporting foot bases are fixed on the ground, the contact area between the base and the ground is increased, the device is prevented from inclining under the action of external force, the stability of the device is improved, and the technical problem of poor stability of the aerial work platform in the prior art is solved.
Description
Technical Field
The invention relates to the technical field of building safety, in particular to a safety device for a building machine.
Background
Along with the rapid development of national market economy, the acceleration of urbanization process, the gradual reduction of land resources, the gradual increase of urban high-rise and super high-rise buildings, the economic investment, the human investment and the technical investment consumed by the safety protection of three treasures, four ports and five adjacent sides in the building construction process are greatly increased, the construction, the equipment installation and maintenance and the like are generally carried out on the buildings through an aerial work platform during the modern building construction, the existing aerial work platform comprises a machine body, a walking device, a lifting device and a work platform, when the aerial work platform is lifted, the stability is poor due to the lifting of the gravity center, the aerial work platform is easy to shake or incline and even has the danger of overturning under the influence of external force such as wind power and the like, the safety of workers is reduced, and the aerial work platform possibly needs to be moved during the work process, when the aerial work platform moves to the uneven road surface, the shake brought to the vehicle body by the uneven road surface greatly influences the safety of the aerial work platform, and when a large hollow part appears on the ground, the aerial work platform is easy to incline or even tip over, so that workers are injured.
Disclosure of Invention
The invention aims to provide a safety device for a construction machine, which solves the following technical problems: (1) by starting the fourth hydraulic cylinder, a piston rod of the fourth hydraulic cylinder drives the rotating foot base to rotate, so that the supporting foot base at the end part of the rotating foot base is driven to contact the ground, the four supporting foot bases are fixed on the ground, the contact area of the base and the ground is increased, the device is prevented from inclining under the action of external force, the stability of the device is improved, and the technical problem of poor stability of an aerial work platform in the prior art is solved; (2) the rotary handle is rotated, the rotary handle drives the threaded column to rotate on the fixed seat, the threaded column rotates to drive the rotary shaft to rotate, and then two rotary sleeves in the rotary groove are driven to rotate, after the rotary sleeves move to a proper position, the clamping sleeves at the end parts of the rotary sleeves are fixed on a bracket at a working position, the movable handle is adjusted, the movable handle drives the clamping rings to rotate in the clamping sleeves, so that the working vehicle is fixed, the angle-adjustable clamping assembly is used for monitoring the state of the clamping assembly, and when the clamping assembly resets, the device can operate; (3) the lifting motor is started, an output shaft of the lifting motor drives the rotating disc to rotate, the rotating disc rotates to drive the round pin to rotate, and further drives the moving rod on the round pin to move downwards, the moving rod moves to drive the fixed rod to move downwards, the fixed rod moves downwards to drive the sliding seat to slide downwards in the fixed groove, and further drives the auxiliary wheels to move downwards, the auxiliary wheels contact the ground and start to move the base, four supporting mechanisms on two sides of the base effectively reduce the gravity center of the device, meanwhile, the four auxiliary wheels and the four moving wheels improve the stability during walking, the base is prevented from being inclined or turned on the side when moving to a hollow position, and the technical problem that the aerial work platform cannot move when rising in the prior art is solved; (4) when the base removes to uneven road surface, the removal wheel of base bottom receives ascending impact force, drive the spacing seat rebound on the rotation axis, spacing seat rebound drives down the sleeve and slides on the slide bar, buffer spring on the slide bar has cushioned the impact force that the removal wheel received, the lower sleeve removes and drives the sliding block of upper sleeve tip and slide in the shifting chute on the mount, two sliding block relative movement, extrude reset spring, reset spring has further cushioned the impact force that the removal wheel received, dual buffering effect has reduced the impact force that the base received, the shake that produces when having reduced the base simultaneously and receiving the impact, the device's stability has further been improved, the technical problem of easy shake when solving the high-altitude construction platform among the prior art and removing.
The purpose of the invention can be realized by the following technical scheme:
a safety device for construction machinery comprises a base, wherein a supporting seat is fixedly arranged at the top of the base, a rotating arm is rotatably arranged at the top of the supporting seat, a fixed arm is rotatably arranged at one end, away from the top of the supporting seat, of the rotating arm, and a working vehicle is arranged at one end, away from the rotating arm, of the fixed arm;
the base is symmetrically provided with two supporting mechanisms at two sides, the supporting mechanisms comprise a fixed foot seat and a rotating foot seat, a fourth hydraulic cylinder is arranged on the fixed foot seat, a piston rod of the fourth hydraulic cylinder is hinged on the rotating foot seat, a lifting assembly is arranged in the rotating foot seat, the lifting assembly comprises an auxiliary wheel, a rotating disc, a round pin, a moving rod, a fixed rod, a sliding seat and a lifting motor, a lifting groove is formed in one side of the rotating foot seat, the lifting motor is arranged at one side of the rotating foot seat, away from the lifting groove, an output shaft of the lifting motor penetrates through the rotating foot seat and is sleeved with the rotating disc, the rotating disc is arranged in the lifting groove, the round pin is fixedly arranged on the rotating disc, the moving rod is arranged at one side of the rotating disc, the moving rod is provided with a sliding groove, the round pin is slidably arranged in the sliding groove, the fixed rod is symmetrically arranged at two sides of the bottom of the moving rod, the fixed rod is fixedly installed on the sliding seat, the two sides in the lifting groove are symmetrically provided with fixed grooves, the sliding seat is installed in the fixed grooves in a sliding mode, and the bottom of the sliding seat is provided with the auxiliary wheel.
Furthermore, two sides in the base are symmetrically provided with a buffer mechanism, the buffer mechanism comprises a sliding block, a fixed frame, an upper sleeve, a sliding rod, a lower sleeve and a buffer spring, a fixed frame is fixedly arranged at the top in the base, a moving groove is arranged on the fixed frame, two sliding blocks are arranged in the moving groove in a sliding way, a return spring is arranged between the two sliding blocks, the reset spring is arranged in the moving groove in a sliding way, the sliding block is rotatably provided with an upper sleeve, the upper sleeve is slidably arranged at one end of the sliding rod, the other end of the sliding rod is slidably arranged with the lower sleeve, a buffer spring is arranged between the upper sleeve and the lower sleeve and sleeved on the sliding rod, the lower sleeve is rotatably installed on the limiting seat, the limiting seat is rotatably installed on the rotating shaft, and the two ends of the rotating shaft are fixedly provided with the movable wheels.
Further, the working vehicle is kept away from fixed arm one side and has been seted up two and rotated the groove, it is provided with the centre gripping subassembly to rotate the inslot, the centre gripping subassembly includes rotating sleeve, centre gripping sleeve, moving handle and grip ring, rotating sleeve rotates and installs in rotating the inslot, rotating sleeve tip fixed connection centre gripping sleeve, slidable mounting has the grip ring in the centre gripping sleeve, the centre gripping groove has been seted up on the centre gripping sleeve, moving handle runs through centre gripping groove fixed connection grip ring.
Further, two rotating sleeve fixed mounting is in the axis of rotation, axis of rotation one end is rotated and is installed on the fixing base, axis of rotation one side is provided with the twist grip, twist grip tip fixed connection screw thread post, screw thread post threaded connection is on another fixing base, twist grip one end fixed connection rotating shaft tip is kept away from to the screw thread post.
Furthermore, supporting seat one side is provided with first pneumatic cylinder, first pneumatic cylinder piston rod articulates in rotor arm one side, the rotor arm opposite side is provided with the second pneumatic cylinder, the second pneumatic cylinder articulates in the fixed arm bottom, the fixed arm is kept away from rotor arm one end and is provided with the third pneumatic cylinder, the third pneumatic cylinder articulates in the connecting rod middle part, connecting rod one end is rotated and is installed in the fixed arm tip, connecting rod other end fixed connection work car one side.
Further, the bottom of the rotating foot seat is fixedly provided with a supporting foot seat, the supporting foot seat is provided with a through hole, the rotating groove is internally provided with a light curtain sensor, the working vehicle is provided with a controller, and the light curtain sensor is electrically connected with the controller.
Further, the use method of the safety device of the construction machine specifically comprises the following steps:
the method comprises the following steps: when the base moves to a working place, the fourth hydraulic cylinder is started, the piston rod of the fourth hydraulic cylinder drives the rotating foot base to rotate, and further the supporting foot base at the end part of the rotating foot base is driven to contact the ground, the four supporting foot bases are fixed on the ground, the device is prevented from inclining under the action of external force, and the stability of the device is improved;
step two: starting a first hydraulic cylinder and a second hydraulic cylinder, wherein a piston rod of the first hydraulic cylinder drives a rotating arm to ascend, the second hydraulic cylinder drives a fixed arm to rotate upwards, starting a third hydraulic cylinder, the third hydraulic cylinder drives a working vehicle to move to a specified place, a rotating handle is rotated, the rotating handle drives a threaded column to rotate on a fixed seat, the threaded column rotates to drive a rotating shaft to rotate, and then two rotating sleeves in a rotating groove are driven to rotate;
step three: when the working vehicle needs to move, the lifting motor is started, the output shaft of the lifting motor drives the rotating disc to rotate, the rotating disc rotates to drive the round pin to rotate, and further drives the moving rod on the round pin to move downwards, the moving rod moves to drive the fixed rod to move downwards, the fixed rod moves downwards to drive the sliding seat to slide downwards in the fixed groove, and further drives the auxiliary wheels to move downwards, the base starts to move after the auxiliary wheels are contacted with the ground, the four supporting mechanisms on the two sides of the base effectively reduce the gravity center of the device, and meanwhile, the four auxiliary wheels and the four moving wheels improve the stability during walking and prevent the base from inclining or turning over when moving to a hollow position;
step four: when the base removes to uneven road surface, remove the wheel and receive ascending impact force, remove the wheel and remove and drive the spacing seat rebound on the rotation axis, spacing seat rebound drives down the sleeve and slides on the slide bar, buffer spring on the slide bar has cushioned the impact force that removes the wheel and receive, the sliding block that lower sleeve removed and drives the upper sleeve tip slides in the shifting chute on the mount, two sliding block relative movement, extrude reset spring, reset spring has further cushioned the impact force that removes the wheel and receive, dual buffering effect has reduced the impact force that the base received, the shake that produces when having reduced the base simultaneously and receiving the impact, the device's stability has further been improved.
The invention has the beneficial effects that:
(1) according to the safety device for the construction machinery, the fourth hydraulic cylinder is started, the piston rod of the fourth hydraulic cylinder drives the rotating foot base to rotate, so that the supporting foot base at the end part of the rotating foot base is driven to contact the ground, the four supporting foot bases are fixed on the ground, the contact area of the base and the ground is increased, the device is prevented from inclining under the action of external force, and the stability of the device is improved;
(2) the rotary handle is rotated, the rotary handle drives the threaded column to rotate on the fixed seat, the threaded column rotates to drive the rotary shaft to rotate, and then two rotary sleeves in the rotary groove are driven to rotate, after the rotary sleeves move to a proper position, the clamping sleeves at the end parts of the rotary sleeves are fixed on a bracket at a working position, the movable handle is adjusted, the movable handle drives the clamping rings to rotate in the clamping sleeves, so that the working vehicle is fixed, the angle-adjustable clamping assembly is used for monitoring the state of the clamping assembly, and when the clamping assembly resets, the device can operate;
(3) the lifting motor is started, an output shaft of the lifting motor drives the rotating disc to rotate, the rotating disc rotates to drive the round pin to rotate, and further drives the moving rod on the round pin to move downwards, the moving rod moves to drive the fixed rod to move downwards, the fixed rod moves downwards to drive the sliding seat to slide downwards in the fixed groove, and further drives the auxiliary wheels to move downwards, the auxiliary wheels contact the ground and start to move the base, the four supporting mechanisms on the two sides of the base effectively reduce the gravity center of the device, and meanwhile, the four auxiliary wheels and the four moving wheels improve the stability during walking and prevent the base from inclining or turning on one side when moving to a hollow place;
(4) when the base removes to uneven road surface, the removal wheel of base bottom receives ascending impact force, drive the spacing seat rebound on the rotation axis, spacing seat rebound drives down the sleeve and slides on the slide bar, buffer spring on the slide bar has cushioned the impact force that the removal wheel received, the sliding block that lower sleeve removed and drives the upper sleeve tip slides in the shift gate on the mount, two sliding block relative movement, extrude reset spring, reset spring has further cushioned the impact force that the removal wheel received, dual buffering effect has reduced the impact force that the base received, the shake that produces when having reduced the base simultaneously and receiving the impact, the device's stability has further been improved.
Drawings
The invention will be further described with reference to the accompanying drawings.
Fig. 1 is a schematic view of a safety device for a construction machine according to the present invention;
FIG. 2 is a schematic view of the interior of the base of the present invention;
FIG. 3 is a schematic structural view of the lift assembly of the present invention;
FIG. 4 is a schematic structural view of the work vehicle of the present invention;
FIG. 5 is a schematic view of the structure of the clamping assembly of the present invention.
In the figure: 1. a base; 101. a fixed mount; 102. a moving groove; 103. a slider; 104. an upper sleeve; 105. a lower sleeve; 106. a slide bar; 107. a return spring; 2. a fixed foot seat; 3. a rotating foot seat; 301. a lifting groove; 302. rotating the disc; 303. a round pin; 304. a travel bar; 305. a sliding groove; 306. fixing grooves; 307. a sliding seat; 308. fixing the rod; 309. an auxiliary wheel; 4. a supporting seat; 5. a rotating arm; 6. a fixed arm; 7. a working vehicle; 701. a rotating groove; 702. a clamping assembly; 703. rotating the sleeve; 704. a clamping sleeve; 705. moving the handle; 706. a clamp ring; 707. a clamping groove; 708. a light curtain sensor; 709. rotating the handle; 710. a rotating shaft; 8. a fourth hydraulic cylinder; 9. a first hydraulic cylinder; 10. a second hydraulic cylinder; 11. a third hydraulic cylinder; 12. a connecting rod; 13. a supporting foot seat; 14. a rotating shaft; 15. a limiting seat; 16. the wheel is moved.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the present invention is a safety device for a construction machine, including a base 1, a supporting seat 4 fixedly installed on the top of the base 1, a rotating arm 5 rotatably installed on the top of the supporting seat 4, a fixing arm 6 rotatably installed on one end of the rotating arm 5 far away from the top of the supporting seat 4, and a working cart 7 installed on one end of the fixing arm 6 far away from the rotating arm 5;
two supporting mechanisms are symmetrically arranged at two sides of the base 1, each supporting mechanism comprises a fixed foot seat 2 and a rotating foot seat 3, a fourth hydraulic cylinder 8 is arranged on the fixed foot seat 2, piston rods of the fourth hydraulic cylinders 8 are hinged on the rotating foot seats 3, the base 1 is fixed on the ground through supporting foot seats 13 at the bottoms of the rotating foot seats 3, the contact area of the base 1 and the ground is increased, the device is prevented from inclining under the action of external force, the stability of the device is improved, lifting assemblies are arranged in the rotating foot seats 3, each lifting assembly comprises an auxiliary wheel 309, a rotating disc 302, a round pin 303, a moving rod 304, a fixed rod 308, a sliding seat 307 and a lifting motor, a lifting groove 301 is formed in one side of each rotating foot seat 3, a lifting motor is arranged at one side of each rotating foot seat 3 far away from the lifting groove 301, a rotating disc 302 is sleeved on each lifting motor output shaft, and each rotating disc 302 is arranged in each lifting groove 301, fixed mounting has round pin 303 on the rotary disk 302, rotary disk 302 one side is provided with carriage release lever 304, sliding tray 305 has been seted up on the carriage release lever 304, round pin 303 slidable mounting is in sliding tray 305, carriage release lever 304 bottom bilateral symmetry is provided with dead lever 308, dead lever 308 fixed mounting is on sliding seat 307, fixed slot 306 is seted up to the bilateral symmetry in lift groove 301, sliding seat 307 slidable mounting is in fixed slot 306, sliding seat 307 bottom is provided with auxiliary wheel 309, the effectual focus that has reduced the device of four supporting mechanism, stability when four auxiliary wheels 309 and four removal wheels 16 have improved the walking, take place the slope or turn on one's side when avoiding base 1 to remove to hole department.
Specifically, the two sides of the inside of the base 1 are symmetrically provided with a buffer mechanism, the buffer mechanism comprises a sliding block 103, a fixed frame 101, an upper sleeve 104, a sliding rod 106, a lower sleeve 105 and a buffer spring, the fixed frame 101 is fixedly installed at the top of the inside of the base 1, a moving groove 102 is formed in the fixed frame 101, two sliding blocks 103 are slidably installed in the moving groove 102, a return spring 107 is arranged between the two sliding blocks 103, the return spring 107 is slidably installed in the moving groove 102, the upper sleeve 104 is rotatably installed on the sliding block 103, the upper sleeve 104 is slidably installed at one end of the sliding rod 106, the lower sleeve 105 is slidably installed at the other end of the sliding rod 106, the buffer spring is arranged between the upper sleeve 104 and the lower sleeve 105, the buffer spring is sleeved on the sliding rod 106, the lower sleeve 105 is rotatably installed on the limiting seat 15, the limiting seat 15 is rotatably installed on the rotating shaft 14, and moving wheels 16 are fixedly installed at two ends of the rotating shaft 14, buffer spring and reset spring 107 act on simultaneously, and dual buffering effect has reduced the impact force that receives when base 1 traveles to uneven road surface, has reduced the shake that produces when base 1 removes the in-process and receives the impact simultaneously, has further improved the device's stability.
Two rotating grooves 701 are formed in one side, far away from the fixed arm 6, of the working vehicle 7, a clamping assembly 702 is arranged in the rotating groove 701, the clamping assembly 702 comprises a rotating sleeve 703, a clamping sleeve 704, a moving handle 705 and a clamping ring 706, the rotating sleeve 703 is rotatably installed in the rotating groove 701, the end portion of the rotating sleeve 703 is fixedly connected with the clamping sleeve 704, the clamping ring 706 is installed in the clamping sleeve 704 in a sliding mode, a clamping groove 707 is formed in the clamping sleeve 704, the moving handle 705 penetrates through the clamping groove 707 and is fixedly connected with the clamping ring 706, the moving handle 705 is used for achieving the locking function of the clamping sleeve 704, the clamping assembly 702 is used for fixing the working vehicle 7 on a support at a working position, and the safety of workers is further improved.
Two rotating sleeve 703 fixed mounting are on axis of rotation 710, and axis of rotation 710 one end is rotated and is installed on the fixing base, and axis of rotation 710 one side is provided with twist grip 709, twist grip 709 tip fixed connection screw post, and screw post threaded connection is on another fixing base, and twist grip 709 one end fixed connection axis of rotation 710 tip is kept away from to the screw post, and twist grip 709 has realized the rotation and the reset of centre gripping subassembly 702.
Supporting seat 4 one side is provided with first pneumatic cylinder 9, first pneumatic cylinder 9 piston rod articulates in 5 one sides of rotor arm, 5 opposite sides of rotor arm are provided with second pneumatic cylinder 10, second pneumatic cylinder 10 articulates in 6 bottoms of fixed arm, 5 one ends of rotor arm are kept away from to fixed arm 6 are provided with third pneumatic cylinder 11, third pneumatic cylinder 11 articulates in connecting rod 12 middle part, 12 one ends of connecting rod are rotated and are installed in 6 tip of fixed arm, 7 one sides of connecting rod 12 other end fixed connection work car, first pneumatic cylinder 9, the lift of work car 7 has been realized in the cooperation of second pneumatic cylinder 10 and third pneumatic cylinder 11 each other. The bottom of the rotating foot seat 3 is fixedly provided with a supporting foot seat 13, the supporting foot seat 13 is provided with a through hole, a light curtain sensor 708 is arranged in the rotating groove 701, the working vehicle 7 is provided with a controller, the light curtain sensor 708 is electrically connected with the controller, the light curtain sensor 708 is used for monitoring the state of the clamping assembly 702, and when the clamping assembly 702 resets, the device can operate.
The use method of the safety device of the construction machine specifically comprises the following steps:
the method comprises the following steps: when the base 1 moves to a working place, the fourth hydraulic cylinder 8 is started, the piston rod of the fourth hydraulic cylinder 8 drives the rotating foot base 3 to rotate, and further drives the supporting foot bases 13 at the end parts of the rotating foot base 3 to contact the ground, and the four supporting foot bases 13 are fixed on the ground, so that the device is prevented from inclining under the action of external force, and the stability of the device is improved;
step two: starting a first hydraulic cylinder 9 and a second hydraulic cylinder 10, wherein a piston rod of the first hydraulic cylinder 9 drives a rotating arm 5 to ascend, the second hydraulic cylinder 10 drives a fixing arm 6 to rotate upwards, starting a third hydraulic cylinder 11, the third hydraulic cylinder 11 drives a working vehicle 7 to move to a specified place, rotating a rotating handle 709, the rotating handle 709 drives a threaded column to rotate on a fixing seat, the threaded column rotates to drive a rotating shaft 710 to rotate, and then drives two rotating sleeves 703 in a rotating groove 701 to rotate, when the rotating sleeves 703 move to a proper position, a clamping sleeve 704 at the end part of the rotating sleeve 703 is fixed on a bracket at a working position, a moving handle 705 is adjusted, the moving handle 705 drives a clamping ring 706 to rotate in the clamping sleeve 704, and then the working vehicle 7 is fixed;
step three: when the working vehicle 7 needs to move, the lifting motor is started, the output shaft of the lifting motor drives the rotating disc 302 to rotate, the rotating disc 302 rotates to drive the round pin 303 to rotate, and further drives the moving rod 304 on the round pin 303 to move downwards, the moving rod 304 moves to drive the fixed rod 308 to move downwards, the fixed rod 308 moves downwards to drive the sliding seat 307 to slide downwards in the fixed groove 306, and further drive the auxiliary wheel 309 to move downwards, after the auxiliary wheel 309 contacts the ground, the base 1 starts to move, the four supporting mechanisms on the two sides of the base 1 effectively reduce the gravity center of the device, meanwhile, the four auxiliary wheels 309 and the four moving wheels 16 improve the stability during walking, and the base 1 is prevented from inclining or turning on the side when moving to a hollow place;
step four: when the base 1 moves to an uneven road surface, the moving wheel 16 is impacted to move upwards, the moving wheel 16 moves to drive the limiting seat 15 on the rotating shaft 14 to move upwards, the limiting seat 15 moves upwards to drive the lower sleeve 105 to slide on the sliding rod 106, the buffer spring on the sliding rod 106 buffers the impact force on the moving wheel 16, the lower sleeve 105 moves to drive the sliding block 103 at the end of the upper sleeve 104 to slide in the moving groove 102 on the fixed frame 101, the two sliding blocks 103 move relatively to extrude the reset spring 107, the reset spring 107 further buffers the impact force on the moving wheel 16, the double buffering effect reduces the impact force on the base 1, meanwhile, the shaking generated when the base 1 is impacted is reduced, and the stability of the device is further improved.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation and a specific orientation configuration and operation, and thus, should not be construed as limiting the present invention. Furthermore, "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate member, or they may be connected through two or more elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.
Claims (7)
1. The safety device for the construction machinery is characterized by comprising a base (1), wherein a supporting seat (4) is fixedly installed at the top of the base (1), a rotating arm (5) is rotatably installed at the top of the supporting seat (4), a fixed arm (6) is rotatably installed at one end, far away from the top of the supporting seat (4), of the rotating arm (5), and a working vehicle (7) is arranged at one end, far away from the rotating arm (5), of the fixed arm (6);
the base (1) bilateral symmetry is provided with two supporting mechanisms, the supporting mechanism comprises a fixed foot base (2) and a rotary foot base (3), the fixed foot base (2) is provided with a fourth hydraulic cylinder (8), a piston rod of the fourth hydraulic cylinder (8) is hinged on the rotary foot base (3), a lifting assembly is arranged in the rotary foot base (3), the lifting assembly comprises an auxiliary wheel (309), a rotary disk (302), a round pin (303), a moving rod (304), a fixing rod (308), a sliding seat (307) and a lifting motor, a lifting groove (301) is formed in one side of the rotary foot base (3), the lifting motor is arranged on one side, far away from the lifting groove (301), of the rotary foot base (3), an output shaft of the lifting motor penetrates through the rotary foot base (3) and is sleeved with the rotary disk (302), the rotary disk (302) is arranged in the lifting groove (301), fixed mounting has round pin (303) on rotary disk (302), rotary disk (302) one side is provided with carriage release lever (304), sliding tray (305) have been seted up on carriage release lever (304), round pin (303) slidable mounting is in sliding tray (305), carriage release lever (304) bottom bilateral symmetry is provided with dead lever (308), dead lever (308) fixed mounting is on sliding seat (307), fixed slot (306) are seted up to bilateral symmetry in lift groove (301), sliding seat (307) slidable mounting is in fixed slot (306), sliding seat (307) bottom is provided with auxiliary wheel (309).
2. The safety device for the construction machinery is characterized in that buffering mechanisms are symmetrically arranged on two sides in the base (1) and comprise sliding blocks (103), a fixing frame (101), an upper sleeve (104), a sliding rod (106), a lower sleeve (105) and a buffering spring, the fixing frame (101) is fixedly arranged at the top in the base (1), a moving groove (102) is formed in the fixing frame (101), two sliding blocks (103) are arranged in the moving groove (102) in a sliding mode, a return spring (107) is arranged between the two sliding blocks (103), the return spring (107) is arranged in the moving groove (102) in a sliding mode, the upper sleeve (104) is arranged on the sliding block (103) in a rotating mode, the upper sleeve (104) is arranged at one end of the sliding rod (106) in a sliding mode, the lower sleeve (105) is arranged at the other end of the sliding rod (106) in a sliding mode, go up and be provided with buffer spring between sleeve (104) and lower sleeve (105), buffer spring overlaps and locates on slide bar (106), lower sleeve (105) rotate and install on spacing seat (15), spacing seat (15) are rotated and are installed on rotation axis (14), rotation axis (14) both ends fixed mounting has removal wheel (16).
3. The safety device for the construction machinery is characterized in that two rotating grooves (701) are formed in one side, away from a fixed arm (6), of the working vehicle (7), a clamping assembly (702) is arranged in each rotating groove (701), each clamping assembly (702) comprises a rotating sleeve (703), a clamping sleeve (704), a moving handle (705) and a clamping ring (706), the rotating sleeve (703) is rotatably installed in each rotating groove (701), the end portion of each rotating sleeve (703) is fixedly connected with the corresponding clamping sleeve (704), each clamping ring (706) is slidably installed in each clamping sleeve (704), each clamping groove (707) is formed in each clamping sleeve (704), and each moving handle (705) penetrates through each clamping groove (707) and is fixedly connected with each clamping ring (706).
4. A safety device for construction machinery according to claim 3, wherein two of the rotating sleeves (703) are fixedly installed on the rotating shaft (710), one end of the rotating shaft (710) is rotatably installed on a fixed seat, one side of the rotating shaft (710) is provided with a rotating handle (709), the end of the rotating handle (709) is fixedly connected with a threaded column, the threaded column is in threaded connection with another fixed seat, and the end of the threaded column far away from the rotating handle (709) is fixedly connected with the end of the rotating shaft (710).
5. A safety device for construction machinery according to claim 1, wherein a first hydraulic cylinder (9) is arranged on one side of the supporting seat (4), a piston rod of the first hydraulic cylinder (9) is hinged on one side of the rotating arm (5), a second hydraulic cylinder (10) is arranged on the other side of the rotating arm (5), the second hydraulic cylinder (10) is hinged at the bottom of the fixed arm (6), a third hydraulic cylinder (11) is arranged on one end of the fixed arm (6) far away from the rotating arm (5), the third hydraulic cylinder (11) is hinged at the middle part of the connecting rod (12), one end of the connecting rod (12) is rotatably arranged at the end part of the fixed arm (6), and the other end of the connecting rod (12) is fixedly connected with one side of the working vehicle (7).
6. The safety device for construction machinery according to claim 3, wherein a supporting foot seat (13) is fixedly installed at the bottom of the rotating foot seat (3), a through hole is formed in the supporting foot seat (13), a light curtain sensor (708) is arranged in the rotating groove (701), a controller is arranged on the working vehicle (7), and the light curtain sensor (708) is electrically connected with the controller.
7. A safety arrangement for a construction machine according to any one of claims 1-6, characterised in that the method of using the safety arrangement for a construction machine comprises the following steps:
the method comprises the following steps: when the base (1) moves to a working place, the fourth hydraulic cylinder (8) is started, a piston rod of the fourth hydraulic cylinder (8) drives the rotating foot base (3) to rotate, and then the supporting foot base (13) at the end part of the rotating foot base (3) is driven to contact the ground, and the base (1) is fixed on the ground through the four supporting foot bases (13);
step two: starting a first hydraulic cylinder (9) and a second hydraulic cylinder (10), driving a rotating arm (5) to ascend by a piston rod of the first hydraulic cylinder (9), driving a fixed arm (6) to rotate upwards by the second hydraulic cylinder (10), starting a third hydraulic cylinder (11), driving a working vehicle (7) to move to a specified place by the third hydraulic cylinder (11), rotating a rotating handle (709), driving a threaded column to rotate on a fixed seat by the rotating handle (709), driving a rotating shaft (710) to rotate by the rotating threaded column, thereby driving the two rotating sleeves (703) in the rotating groove (701) to rotate, when the rotating sleeves (703) move to proper positions, fixing a clamping sleeve (704) at the end of a rotating sleeve (703) on a bracket at a working position, adjusting a movable handle (705), and driving a clamping ring (706) to rotate in the clamping sleeve (704) by the movable handle (705) so as to fix a working vehicle (7);
step three: when the working vehicle (7) needs to move, a lifting motor is started, an output shaft of the lifting motor drives a rotating disc (302) to rotate, the rotating disc (302) rotates to drive a round pin (303) to rotate, a moving rod (304) on the round pin (303) is further driven to move downwards, the moving rod (304) moves to drive a fixed rod (308) to move downwards, the fixed rod (308) moves downwards to drive a sliding seat (307) to slide downwards in a fixed groove (306), further, an auxiliary wheel (309) is driven to move downwards, and the base (1) starts to move after the auxiliary wheel (309) is in contact with the ground;
step four: when the base (1) moves to an uneven road surface, the moving wheel (16) is impacted to move upwards, the moving wheel (16) moves to drive the limiting seat (15) on the rotating shaft (14) to move upwards, the limiting seat (15) moves upwards to drive the lower sleeve (105) to slide on the sliding rod (106), the buffer spring on the sliding rod (106) buffers the impact force on the moving wheel (16), the lower sleeve (105) moves to drive the sliding block (103) at the end part of the upper sleeve (104) to slide in the moving groove (102) on the fixed frame (101), the two sliding blocks (103) move relatively to extrude the return spring (107), the return spring (107) further buffers the impact force on the moving wheel (16), and the shake generated when the base (1) moves is reduced.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110128336.6A CN112938849B (en) | 2021-01-29 | 2021-01-29 | Safety device for construction machinery |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110128336.6A CN112938849B (en) | 2021-01-29 | 2021-01-29 | Safety device for construction machinery |
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| CN112938849B true CN112938849B (en) | 2022-04-01 |
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| CN113929027A (en) * | 2021-09-29 | 2022-01-14 | 国网河南省电力公司沁阳市供电公司 | Power supply line maintenance platform based on multi-hydraulic jacking |
| CN115027541B (en) * | 2022-07-04 | 2023-05-05 | 兰州工业学院 | Mobile device for mechanical equipment and operation method thereof |
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| CN112225094A (en) * | 2020-11-03 | 2021-01-15 | 合肥慧问机械设计有限公司 | Hoisting machinery base convenient to move |
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2021
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103112806A (en) * | 2013-01-01 | 2013-05-22 | 曲长全 | Full-circle-swinging hydraulic lift platform car |
| CN107381378A (en) * | 2017-09-05 | 2017-11-24 | 东台市富康机械有限公司 | Crawler self slope climbing machine |
| CN108249372A (en) * | 2018-01-16 | 2018-07-06 | 泰州克罗米德机械设备有限公司 | It cranks arm lifting gear |
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| CN112938849A (en) | 2021-06-11 |
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