CN116605774B - Overhead bridge type overhead crane - Google Patents

Overhead bridge type overhead crane Download PDF

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Publication number
CN116605774B
CN116605774B CN202310869253.1A CN202310869253A CN116605774B CN 116605774 B CN116605774 B CN 116605774B CN 202310869253 A CN202310869253 A CN 202310869253A CN 116605774 B CN116605774 B CN 116605774B
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CN
China
Prior art keywords
cylinder
switching
sides
tower body
arm
Prior art date
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Active
Application number
CN202310869253.1A
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Chinese (zh)
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CN116605774A (en
Inventor
李振民
徐和庆
李振溥
靳华磊
张广渊
任恒进
徐尧
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.)
Shandong Xingyuan Machinery Co ltd
Original Assignee
Shandong Xingyuan Machinery Co ltd
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Priority to CN202310869253.1A priority Critical patent/CN116605774B/en
Publication of CN116605774A publication Critical patent/CN116605774A/en
Application granted granted Critical
Publication of CN116605774B publication Critical patent/CN116605774B/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C17/00—Overhead travelling cranes comprising one or more substantially horizontal girders the ends of which are directly supported by wheels or rollers running on tracks carried by spaced supports
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C11/00—Trolleys or crabs, e.g. operating above runways
    • B66C11/16—Rope, cable, or chain drives for trolleys; Combinations of such drives with hoisting gear
    • 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
    • B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
    • B66C13/06—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for minimising or preventing longitudinal or transverse swinging of loads
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C5/00—Base supporting structures with legs
    • B66C5/02—Fixed or travelling bridges or gantries, i.e. elongated structures of inverted L or of inverted U shape or tripods
    • B66C5/04—Fixed or travelling bridges or gantries, i.e. elongated structures of inverted L or of inverted U shape or tripods with runways or tracks supported for movements relative to bridge or gantry
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C9/00—Travelling gear incorporated in or fitted to trolleys or cranes
    • B66C9/10—Undercarriages or bogies, e.g. end carriages, end bogies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C9/00—Travelling gear incorporated in or fitted to trolleys or cranes
    • B66C9/14—Trolley or crane travel drives
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D49/00—Brakes with a braking member co-operating with the periphery of a drum, wheel-rim, or the like
    • F16D49/16—Brakes with two brake-blocks
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D59/00—Self-acting brakes, e.g. coming into operation at a predetermined speed
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D63/00—Brakes not otherwise provided for; Brakes combining more than one of the types of groups F16D49/00 - F16D61/00
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
    • F16F15/022—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using dampers and springs in combination
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
    • F16F15/023—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using fluid means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
    • F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
    • F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
    • F16F15/067—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs using only wound springs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2125/00—Components of actuators
    • F16D2125/02—Fluid-pressure mechanisms
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2125/00—Components of actuators
    • F16D2125/18—Mechanical mechanisms
    • F16D2125/58—Mechanical mechanisms transmitting linear movement
    • F16D2125/70—Rods

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
  • Jib Cranes (AREA)

Abstract

The application relates to the technical field of bridge cranes, and discloses a bridge overhead crane. Through pushing the centre gripping arm to remove when the roof-rack rocks, make the centre gripping arm shrink in order to promote the hydraulic oil in the switching section of thick bamboo in to in pushing the hydraulic oil in the switching section of thick bamboo to straight section of thick bamboo, with the energy guide underground that passes through straight section of thick bamboo with the hydraulic oil transfer, with this shaking power that reduces the roof-rack, keep the stability of hoist, and utilize the rotation drive of switching section of thick bamboo to fold the arm and move down and push up the friction ring, with the friction ring and lean on the epaxial of return pulley, with this carries out friction deceleration to the return pulley, thereby avoid the return pulley to continue to rotate, prevent that the hoist from producing the slip, improve the security of hoist effectively.

Description

Overhead bridge type overhead crane
Technical Field
The application relates to the technical field of bridge cranes, in particular to a bridge overhead crane.
Background
The bridge crane is hoisting equipment for hoisting materials in workshops, warehouses and stock yards. The bridge-like shape is obtained by sitting on tall concrete columns or metal supports at both ends. The bridge frame of the bridge crane longitudinally runs along the tracks paved on the two side high frames, so that the space below the bridge frame can be fully utilized to hoist materials, and the bridge frame is not blocked by ground equipment. The hoisting machine has the advantages of being the hoisting machine with the widest application range and the largest number.
In the existing bridge crane, as in the chinese patent application CN112960562a, the motor installed on the upper carrier plate in the middle part of the lap joint bridge seat is controlled to operate, after the motor operates, the engagement head connected with the driving rod of the motor rotates with the driven rod connected with one end of the roller, so as to realize that the roller rolls in the groove formed in the inner side of the lap joint bridge seat, meanwhile, the outer wall of the roller is limited by the supporting sliding block piece, and the supporting sliding block piece slides on the transverse groove at the outer part of the groove opening, so that the integral upper carrier plate displaces in the groove opening of the lap joint bridge seat, and the lifted bridge displaces, so that the structure is more optimized and the design is more reasonable; through controlling the cylinder to operate, will drive the slider body and slide on the outer wall of spout piece after the cylinder operation, and slider body one end welded chi strip will drive the gear wheel that meshes and rotate, and the rotation of gear wheel has realized rotating the upper surface of last spacing framed board at the installation base down, rotates the overlap joint bridge seat after last spacing framed board rotates, makes things convenient for the material loading.
But there are also the following problems: when the bridge crane lifts the bridge section, the bridge section can be influenced by wind power, and the bridge section can shake greatly at high altitude due to the large wind power receiving area of the bridge section and the large wind power receiving area of the bridge section, so that the bridge crane is easy to cause large danger hidden danger.
Disclosure of Invention
Aiming at the defects of the prior art, the application provides the overhead bridge type overhead crane which has the advantages of stabilizing the tower body when the tower body is greatly rocked, ensuring the safety of the crane and the like, and solves the problems that the bridge type overhead crane is influenced by wind power when the bridge type overhead crane lifts a bridge section, and the bridge section is greatly rocked at high altitude due to high wind speed and large wind power receiving area of the bridge section, so that great danger hidden danger is easily caused to the tower body of the overhead bridge type overhead crane.
In order to achieve the above purpose, the present application provides the following technical solutions: the overhead bridge type overhead crane comprises a tower body, a stabilizing mechanism arranged on the tower body and a sliding-resistant mechanism arranged on the tower body, wherein a top frame is fixedly arranged at the top end of the tower body, and a plurality of bottom wheels are in running fit with the bottom end of the tower body;
the stabilizing mechanism comprises a switching cylinder, clamping arms and a straight cylinder, wherein the switching cylinder is arranged on two sides of the tower body in a rotating mode, the clamping arms are arranged on the switching cylinder, the straight cylinder is fixedly arranged on the switching cylinder, the top end of the straight cylinder is communicated with the switching cylinder, the bottom end of the straight cylinder is connected to the ground, the switching cylinder and the straight cylinder are filled with hydraulic oil, and when the clamping arms are fixed on the top frame, the top frame shakes to drive the clamping arms to push the hydraulic oil in the switching cylinder to move into the straight cylinder;
the anti-slip mechanism comprises a folding arm and friction rings, the folding arm is arranged on two sides of the tower body in a sliding mode, the folding arm is connected with the transfer cylinder in a power mode, the friction rings are arranged on shafts of the bottom wheels, the friction rings are located under the folding arm, and when the transfer cylinder drives the clamping arms to be fixed to the top frame, the transfer cylinder drives the folding arms to be attached to the friction rings.
Preferably, the roof-rack divides both sides to set up, the middle part of roof-rack is the open end that link up from top to bottom, the top surface slip of roof-rack is provided with the balladeur train, running fit has a plurality of pulleys on the balladeur train, pulley symmetry sets up, the pulley runs through the balladeur train, both sides the pulley respectively with the top surface rolling fit of roof-rack of both sides, the top fixed mounting of balladeur train has driving motor, driving motor with the equal power of pulley is connected.
Preferably, the sling winding and unwinding machine is fixedly arranged at the bottom end of the sliding frame, the sling winding and unwinding machine is opposite to the middle of the top frame at two sides, a lifting hook is arranged below the sling winding and unwinding machine, a rope is arranged between the lifting hook and the sling winding and unwinding machine, the top end of the rope is connected with the sling winding and unwinding machine, and the bottom end of the rope is connected with the top end of the lifting hook.
Preferably, the stabilizing mechanism further comprises a servo motor, the servo motor is fixedly installed on two sides of the tower body, the servo motor on two sides is respectively in power connection with the switching cylinders on two sides, a rotating ring is arranged on the switching cylinders, a shaft of the servo motor is connected with the rotating ring of the switching cylinders, telescopic cylinders are fixedly installed on the rotating ring of the switching cylinders, the telescopic cylinders penetrate through the rotating ring of the switching cylinders, outer cylinders of the telescopic cylinders are communicated with the switching cylinders, and inner cylinders of the telescopic cylinders are fixedly connected with the clamping arms.
Preferably, both ends of the clamping arm are all in running fit with a locking piece, an elastic piece is arranged between the locking piece and the clamping arm, one side of the elastic piece is connected with the clamping arm, and the other side of the elastic piece is connected with the locking piece, so that the locking piece is in an outward unfolding state at both sides of the clamping arm.
Preferably, the bottom of straight section of thick bamboo is all fixed mounting has the hose, the one end of hose with straight section of thick bamboo communicates with each other, both sides limit of body of the tower all is provided with spacing slide rail, the hose all with the slider of spacing slide rail links to each other, the slider of spacing slide rail is in sliding fit on the spacing slide rail, the slider of spacing slide rail is close to the one end setting of hose.
Preferably, the two sides of the tower body are provided with piston cylinders, the other end of the hose is communicated with one end of each piston cylinder, each piston cylinder is arranged underground, a fixing plate is arranged beside the other end of each piston cylinder, the fixing plates are fixed underground through bolts, a buffer spring is arranged between each fixing plate and each piston cylinder, one end of each buffer spring is connected with each fixing plate, and the other end of each buffer spring is connected with a piston of each piston cylinder.
Preferably, the sliding-resistant mechanism further comprises a limiting part, both sides of the tower body are fixedly provided with the limiting part, the limiting part is provided with a control part in sliding fit, both sides of the limiting part are fixedly provided with a top movable arm on a rotating ring of the switching cylinder, the top movable arm is matched with the top end of the control part, the control part is sleeved with a reset spring, one end of the reset spring is connected with the bottom end of the control part, the other end of the reset spring is connected with the bottom surface of the limiting part, the bottom end of the control part is fixedly provided with a folding arm, and the friction ring is movably arranged beside a shaft of the bottom wheel, so that the folding arm drives the friction ring to fold to rub the shaft of the bottom wheel after moving downwards.
Compared with the prior art, the application provides the overhead bridge type overhead crane for the bridge, which has the following beneficial effects:
1. this overhead bridge type overhead crane, through pushing the centre gripping arm to remove at the roof-rack when rocking, make the centre gripping arm shrink in order to promote the hydraulic oil in the switching section of thick bamboo in to in pushing the hydraulic oil in the switching section of thick bamboo to straight section of thick bamboo, with the energy guide underground that passes through straight section of thick bamboo with hydraulic oil transmission, with this shaking power that reduces the roof-rack, keep the stability of hoist, and utilize the rotation drive of switching section of thick bamboo to fold the arm and move down and push up the friction ring, with the friction ring paste on the epaxial of return pulley, with this carries out friction deceleration to the return pulley, thereby avoid the return pulley to continue to rotate, prevent that the hoist from producing the slip, improve the security of hoist effectively.
2. According to the overhead bridge type overhead crane, the locking piece rotates and compresses the elastic piece along with the continuous movement of the clamping arm, so that the locking piece is locked on the top frame, the clamping arm is fixed on the top frame, the clamping arm is effectively fixed on the top frame by utilizing the clamping principle similar to a train coupler, the clamping arm is prevented from sliding, and the running stability of the device is improved.
3. According to the overhead bridge type overhead crane, one end of the hose is driven to move by the crane along with the movement of the crane, and the sliding block of the limiting sliding rail is driven to move on the limiting sliding rail by one end of the hose, so that the distance between the hose and the crane is kept, and the influence of the hose on the movement path of the crane is avoided.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a crane according to the present application;
FIG. 2 is a schematic diagram showing the structural distribution of the tower body of the present application;
FIG. 3 is a schematic view showing the distribution of the structure at the carriage of the present application;
FIG. 4 is a schematic view of a stabilizing mechanism according to the present application;
FIG. 5 is a schematic view showing the structural distribution of the telescopic cylinder of the present application;
FIG. 6 is a schematic view showing the distribution of the structures of the locking members of the present application;
FIG. 7 is a schematic view of a sliding-preventing mechanism according to the present application;
FIG. 8 is a schematic view showing the distribution of the structure of the control member of the present application.
In the figure: 1. a tower body; 11. a top frame; 12. a carriage; 13. a pulley; 14. a driving motor; 15. a sling winding and unwinding machine; 16. a lifting hook; 17. a rope; 18. a bottom wheel; 2. a stabilizing mechanism; 21. a servo motor; 22. a transfer cylinder; 23. a telescopic cylinder; 24. a clamping arm; 25. a locking piece; 26. a spring plate; 27. a straight cylinder; 28. a hose; 29. a limit sliding rail; 210. a piston cylinder; 211. a fixing plate; 212. a buffer spring; 3. a slip-resistant mechanism; 31. a limiting piece; 32. a control member; 33. a jack arm; 34. a return spring; 35. folding the arms; 36. friction ring.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
As described in the background art, the application provides a bridge overhead crane for solving the technical problems.
In a typical embodiment of the application, as shown in fig. 1-8, a bridge overhead crane comprises a tower body 1, a stabilizing mechanism 2 arranged on the tower body 1, and a slip-resisting mechanism 3 arranged on the tower body 1, wherein a top frame 11 is fixedly arranged at the top end of the tower body 1, and a plurality of bottom wheels 18 are rotatably matched at the bottom end of the tower body 1;
the stabilizing mechanism 2 comprises a switching cylinder 22, clamping arms 24 and a straight cylinder 27, the switching cylinder 22 is rotatably arranged on two sides of the tower body 1, the clamping arms 24 are arranged on the switching cylinder 22, the straight cylinder 27 is fixedly arranged on the switching cylinder 22, the top end of the straight cylinder 27 is communicated with the switching cylinder 22, the bottom end of the straight cylinder 27 is connected to the ground, hydraulic oil is filled in the switching cylinder 22 and the straight cylinder 27, and when the clamping arms 24 are fixed on the top frame 11, the top frame 11 shakes to drive the clamping arms 24 to push the hydraulic oil in the switching cylinder 22 to move into the straight cylinder 27;
the anti-slip mechanism 3 comprises a folding arm 35 and friction rings 36, the folding arms 35 are arranged on two sides of the tower body 1 in a sliding mode, the folding arms 35 are in power connection with the switching cylinder 22, the friction rings 36 are arranged on shafts of the bottom wheels 18, the friction rings 36 are located under the folding arms 35, and when the switching cylinder 22 drives the clamping arms 24 to fix the top frame 11, the switching cylinder 22 drives the folding arms 35 to be abutted to the friction rings 36.
When the application is used:
the bridge is lifted on the top frame 11, the bridge is driven to move through the tower body 1 and the bottom wheel 18, and in severe weather such as strong wind, the stabilizing mechanism 2 and the anti-slip mechanism 3 are started, the rotating ring of the transfer cylinder 22 is driven to rotate in the stabilizing mechanism 2, the transfer cylinder 22 drives the clamping arm 24 to rotate on the top frame 11 so as to clamp the clamping arm 24 on the top frame 11, when the top frame 11 shakes due to shaking of the lifted bridge caused by strong wind, the shaking of the top frame 11 pushes the clamping arm 24 to move, the clamping arm 24 is contracted into the transfer cylinder 22 to push hydraulic oil in the transfer cylinder 22 to push the hydraulic oil in the transfer cylinder 22 into the straight cylinder 27, so that energy transferred by the hydraulic oil is guided to the ground through the straight cylinder 27, and the shaking force of the top frame 11 is reduced, meanwhile, the rotating of the transfer cylinder 22 drives the folding arm 35 to move downwards, the folding arm 35 pushes the friction ring 36 to abut against the shaft of the bottom wheel 18, so that the bottom wheel 18 is prevented from rotating continuously, and the crane is prevented from sliding;
through pushing the clamping arm 24 to move by the top frame 11 when the top frame 11 shakes, the clamping arm 24 contracts towards the transfer cylinder 22 to push hydraulic oil in the transfer cylinder 22, so as to push the hydraulic oil in the transfer cylinder 22 towards the straight cylinder 27, so that energy transferred by the hydraulic oil is guided underground through the straight cylinder 27, the shaking force of the top frame 11 is reduced, the stability of the crane is kept, the folding arm 35 is driven to move downwards by utilizing the rotation of the transfer cylinder 22 to push the friction ring 36 to abut against the shaft of the bottom wheel 18, the friction of the bottom wheel 18 is reduced, the continuous rotation of the bottom wheel 18 is avoided, the sliding of the crane is prevented, and the safety of the crane is effectively improved.
Further, the top frame 11 is arranged at two sides, the middle part of the top frame 11 is an open end which is vertically penetrated, the top surface of the top frame 11 is slidably provided with a sliding frame 12, a plurality of pulleys 13 are rotatably matched on the sliding frame 12, the pulleys 13 are symmetrically arranged, the pulleys 13 penetrate through the sliding frame 12, the pulleys 13 at two sides are respectively in rolling fit with the top surfaces of the top frames 11 at two sides, a driving motor 14 is fixedly arranged at the top end of the sliding frame 12, and the driving motor 14 is in uniform power connection with the pulleys 13.
Further, a sling retraction machine 15 is fixedly arranged at the bottom end of the sliding frame 12, the sling retraction machine 15 is opposite to the middle of the top frames 11 at two sides, a lifting hook 16 is arranged below the sling retraction machine 15, a rope 17 is arranged between the lifting hook 16 and the sling retraction machine 15, the top end of the rope 17 is connected with the inside of the sling retraction machine 15, and the bottom end of the rope 17 is connected with the top end of the lifting hook 16.
When the bridge needs to be lifted, the bottom wheel 18 is rotated to drive the crane to move, the crane stops moving when moving to the upper side of the bridge, the driving motor 14 is started, the driving motor 14 drives the pulley 13 to rotate, the pulley 13 moves on the top frame 11, the pulley 13 drives the sliding frame 12 to move, the sliding frame 12 drives the sling retraction machine 15 to move, the sling retraction machine 15 drives the rope 17 to move, the rope 17 drives the lifting hook 16 to move, and when the lifting hook 16 moves to a proper position, the sling retraction machine 15 releases the rope 17, so that the lifting hook 16 moves downwards to lift the bridge, and the rope 17 is retracted to drive the lifting hook 16 to lift the bridge.
Further, stabilizing mean 2 still includes servo motor 21, and servo motor 21 is all fixed mounting in body of the tower 1 both sides, and servo motor 21 and the switching section of thick bamboo 22 of both sides are power connection respectively, are provided with the rotation ring on the switching section of thick bamboo 22, and servo motor 21's axle links to each other with the rotation ring of switching section of thick bamboo 22, all fixed mounting has telescopic cylinder 23 on the rotation ring of switching section of thick bamboo 22, and telescopic cylinder 23 runs through the rotation ring of switching section of thick bamboo 22, and telescopic cylinder 23's urceolus communicates with each other with switching section of thick bamboo 22, and telescopic cylinder 23's inner tube all is with centre gripping arm 24 fixed connection.
Further, both ends of the clamping arm 24 are respectively provided with a latch member 25 in a rotating fit manner, a spring piece 26 is arranged between the latch member 25 and the clamping arm 24, one side of the spring piece 26 is connected with the clamping arm 24, and the other side of the spring piece 26 is connected with the latch member 25, so that the latch member 25 is in an outward unfolding state towards both sides of the clamping arm 24.
In severe weather such as strong wind, the servo motor 21 is started, the servo motor 21 drives the rotating ring of the switching cylinder 22 to rotate, the rotating ring of the switching cylinder 22 drives the telescopic cylinder 23 to move, the telescopic cylinder 23 drives the clamping arm 24 to move, the clamping arm 24 drives the locking piece 25 to move, the clamping arm 24 is enabled to be abutted against the top frame 11, the locking piece 25 is enabled to be abutted against the top frame 11 in the state that the locking piece 25 is unfolded outwards from two sides of the clamping arm 24 due to the elastic pieces 26, the elastic pieces 26 are enabled to rotate and compress along with the continuous movement of the clamping arm 24, the locking piece 25 is buckled on the top frame 11, the clamping arm 24 is fixed on the top frame 11, the clamping arm 24 is effectively fixed on the top frame 11 through the buckling piece 25, the clamping principle similar to a train coupler is utilized, the sliding of the clamping arm 24 is prevented, and the running stability of the device is improved.
Further, the bottom of straight section of thick bamboo 27 all fixed mounting has hose 28, and the one end and the straight section of thick bamboo 27 of hose 28 communicate with each other, and the both sides limit slide rail 29 that all is provided with of body of the tower 1, hose 28 all link to each other with the slider of limit slide rail 29, and the slider of limit slide rail 29 is in sliding fit on limit slide rail 29, and the slider of limit slide rail 29 is close to the one end setting of hose 28.
Further, along with the movement of the crane, the crane drives one end of the hose 28 to move, and one end of the hose 28 drives the sliding block of the limiting sliding rail 29 to move on the limiting sliding rail 29, so that the distance between the hose 28 and the crane is kept, and the influence of the hose 28 on the movement path of the crane is avoided.
Further, the two sides of the tower body 1 are both provided with a piston cylinder 210, the other end of the hose 28 is communicated with one end of the piston cylinder 210, the piston cylinder 210 is arranged underground, the other end of the piston cylinder 210 is provided with a fixing plate 211, the fixing plate 211 is fixed underground by bolts, a buffer spring 212 is arranged between the fixing plate 211 and the piston cylinder 210, one end of the buffer spring 212 is connected with the fixing plate 211, and the other end of the buffer spring 212 is connected with the piston of the piston cylinder 210.
When the top frame 11 shakes as the clamping arm 24 is fixed on the top frame 11, the top frame 11 drives the clamping arm 24 to shake, the clamping arm 24 pushes the extension rod of the telescopic cylinder 23 to shrink, so that the telescopic cylinder 23 pushes internal hydraulic oil to enter the switching cylinder 22, the hydraulic oil enters the straight cylinder 27 through the inside of the switching cylinder 22, then the hydraulic oil enters the hose 28 from the straight cylinder 27, finally the hydraulic oil enters the piston cylinder 210 from the hose 28, so that the hydraulic oil pushes the piston in the piston cylinder 210 to move, the piston compresses the buffer spring 212, and the buffer spring 212 applies force to the fixing plate 211, so that the shaking force of the top frame 11 is conducted through the hydraulic oil, energy is guided into the ground, shaking generated by the crane is reduced, and the safety of the crane is ensured.
Further, the slide-blocking mechanism 3 further comprises a limiting piece 31, both sides of the tower body 1 are fixedly provided with the limiting piece 31, the limiting piece 31 is provided with a control piece 32 in a sliding fit mode, the rotating rings of the switching cylinders 22 on both sides are fixedly provided with a top movable arm 33, the top movable arm 33 is matched with the top end of the control piece 32, the control piece 32 is sleeved with a return spring 34, one end of the return spring 34 is connected with the bottom end of the control piece 32, the other end of the return spring 34 is connected with the bottom surface of the limiting piece 31, the bottom end of the control piece 32 is fixedly provided with a folding arm 35, and friction rings 36 are movably arranged beside shafts of the bottom wheels 18, so that the friction rings 36 are driven to fold after the folding arm 35 moves downwards to rub shafts of the bottom wheels 18.
Along with the rotation of the switching cylinder 22, the switching cylinder 22 drives the top movable arm 33 to rotate so as to release the pushing movement of the top movable arm 33 to the control piece 32, and the control piece 32 moves downwards on the limiting piece 31 through the restoring force of the restoring spring 34, the control piece 32 drives the folding arm 35 to move so that the folding arm 35 pushes against the friction ring 36 to lean against the friction ring 36 to the shaft of the bottom wheel 18, thereby limiting the rotation of the bottom wheel 18, avoiding the sliding of the crane caused by severe weather such as strong wind and the like, and further ensuring the safety of the crane.
Working principle:
the bridge is lifted on the top frame 11, the bridge is driven to move through the tower body 1 and the bottom wheel 18, and in severe weather such as strong wind, the stabilizing mechanism 2 and the anti-slip mechanism 3 are started, the rotating ring of the transfer cylinder 22 is driven to rotate in the stabilizing mechanism 2, the transfer cylinder 22 drives the clamping arm 24 to rotate on the top frame 11 so as to clamp the clamping arm 24 on the top frame 11, when the top frame 11 shakes due to shaking of the lifted bridge caused by strong wind, the shaking of the top frame 11 pushes the clamping arm 24 to move, the clamping arm 24 is contracted into the transfer cylinder 22 to push hydraulic oil in the transfer cylinder 22 to push the hydraulic oil in the transfer cylinder 22 into the straight cylinder 27, so that energy transferred by the hydraulic oil is guided to the ground through the straight cylinder 27, and the shaking force of the top frame 11 is reduced, meanwhile, the rotating of the transfer cylinder 22 drives the folding arm 35 to move downwards, the folding arm 35 pushes the friction ring 36 to abut against the shaft of the bottom wheel 18, so that the bottom wheel 18 is prevented from rotating continuously, and the crane is prevented from sliding;
when the bridge needs to be lifted, the bottom wheel 18 is rotated to drive the crane to move, the crane stops moving when moving to the upper part of the bridge, the driving motor 14 is started, the driving motor 14 drives the pulley 13 to rotate, the pulley 13 moves on the top frame 11, the pulley 13 drives the sliding frame 12 to move, the sliding frame 12 drives the sling retraction machine 15 to move, the sling retraction machine 15 drives the rope 17 to move, the rope 17 drives the lifting hook 16 to move, and when the lifting hook 16 moves to a proper position, the sling retraction machine 15 releases the rope 17, so that the lifting hook 16 moves downwards to lift the bridge, and the rope 17 is retracted to drive the lifting hook 16 to lift the bridge;
in severe weather such as strong wind, the servo motor 21 is started, the servo motor 21 drives the rotating ring of the switching cylinder 22 to rotate, the rotating ring of the switching cylinder 22 drives the telescopic cylinder 23 to move, the telescopic cylinder 23 drives the clamping arm 24 to move, the clamping arm 24 drives the locking piece 25 to move, the clamping arm 24 is enabled to be abutted against the top frame 11, the locking piece 25 is enabled to be abutted against the top frame 11 in the state that the locking piece 25 is unfolded outwards from two sides of the clamping arm 24 due to the elastic pieces 26, the elastic pieces 26 are enabled to rotate and compress along with the continuous movement of the clamping arm 24, the locking piece 25 is buckled on the top frame 11, the clamping arm 24 is fixed on the top frame 11, the clamping arm 24 is effectively fixed on the top frame 11 through the buckling principle similar to a train coupler, the sliding of the clamping arm 24 is prevented, and the running stability of the device is improved;
meanwhile, when the top frame 11 shakes after the clamping arm 24 is fixed on the top frame 11, the top frame 11 drives the clamping arm 24 to shake, the clamping arm 24 pushes an extension rod of the telescopic cylinder 23 to shrink, so that the telescopic cylinder 23 pushes internal hydraulic oil to enter the switching cylinder 22, the hydraulic oil enters the straight cylinder 27 through the inside of the switching cylinder 22, then the hydraulic oil enters the hose 28 through the straight cylinder 27, finally the hydraulic oil enters the piston cylinder 210 through the hose 28, so that the hydraulic oil pushes a piston in the piston cylinder 210 to move, the piston compresses the buffer spring 212, and the buffer spring 212 applies force to the fixed plate 211, so that the shaking force of the top frame 11 is conducted through the hydraulic oil, energy is guided into the ground, shaking generated by a crane is reduced, and the safety of the crane is ensured;
and, along with the rotation of the switching cylinder 22, the switching cylinder 22 drives the top movable arm 33 to rotate so as to release the propping action of the top movable arm 33 on the control piece 32, and the control piece 32 moves downwards on the limiting piece 31 through the reset force of the reset spring 34, the control piece 32 drives the folding arm 35 to move, and the folding arm 35 is propped against the friction ring 36 so as to lean the friction ring 36 against the shaft of the bottom wheel 18, thereby limiting the rotation of the bottom wheel 18, avoiding the sliding of the crane caused by severe weather such as strong wind and the like, and further ensuring the safety of the crane.
Although embodiments of the present application 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 application, the scope of which is defined in the appended claims and their equivalents.

Claims (3)

1. The utility model provides a bridge overhead bridge type overhead crane, is in including tower body (1), setting firm mechanism (2) on tower body (1), setting are in anti-skidding mechanism (3) on tower body (1), its characterized in that:
the top end of the tower body (1) is fixedly provided with a top frame (11), and a plurality of bottom wheels (18) are rotatably matched with the bottom end of the tower body (1);
the stabilizing mechanism (2) comprises a switching cylinder (22), clamping arms (24) and a straight cylinder (27), wherein the switching cylinder (22) is rotatably arranged on two sides of the tower body (1), and the clamping arms (24) are arranged on the switching cylinder (22);
the stabilizing mechanism (2) further comprises a servo motor (21), wherein the servo motor (21) is fixedly arranged at two sides of the tower body (1), the servo motors (21) at two sides are respectively in power connection with the switching cylinders (22) at two sides, rotating rings are arranged on the switching cylinders (22), shafts of the servo motor (21) are connected with the rotating rings of the switching cylinders (22), telescopic cylinders (23) are fixedly arranged on the rotating rings of the switching cylinders (22), the telescopic cylinders (23) penetrate through the rotating rings of the switching cylinders (22), outer cylinders of the telescopic cylinders (23) are communicated with the switching cylinders (22), and inner cylinders of the telescopic cylinders (23) are fixedly connected with the clamping arms (24);
the switching cylinder (22) is fixedly provided with the straight cylinder (27), the top end of the straight cylinder (27) is communicated with the switching cylinder (22), the bottom end of the straight cylinder (27) is connected to the ground, the switching cylinder (22) and the straight cylinder (27) are filled with hydraulic oil, when the clamping arm (24) is fixed on the top frame (11), the top frame (11) is rocked to drive the clamping arm (24) to push the extension rod of the telescopic cylinder (23) to shrink so as to push the hydraulic oil in the switching cylinder (22) to move into the straight cylinder (27);
the anti-slip mechanism (3) comprises a folding arm (35) and a friction ring (36), wherein the folding arm (35) is arranged on two sides of the tower body (1) in a sliding mode, the folding arm (35) is in power connection with the switching cylinder (22), the friction ring (36) is arranged on the shaft of the bottom wheel (18), the friction ring (36) is located under the folding arm (35), and when the switching cylinder (22) drives the clamping arm (24) to fix the top frame (11), the switching cylinder (22) drives the folding arm (35) to be attached to the friction ring (36);
both ends of the clamping arm (24) are rotatably matched with locking pieces (25), an elastic piece (26) is arranged between the locking pieces (25) and the clamping arm (24), one side of the elastic piece (26) is connected with the clamping arm (24), and the other side of the elastic piece (26) is connected with the locking pieces (25) so that the locking pieces (25) are in an outwards unfolding state towards the two sides of the clamping arm (24);
the bottom end of the straight cylinder (27) is fixedly provided with a hose (28), one end of the hose (28) is communicated with the straight cylinder (27), two side edges of the tower body (1) are provided with limit sliding rails (29), the hose (28) is connected with sliding blocks of the limit sliding rails (29), the sliding blocks of the limit sliding rails (29) are in sliding fit on the limit sliding rails (29), and the sliding blocks of the limit sliding rails (29) are close to one end of the hose (28);
the novel tower is characterized in that piston barrels (210) are arranged on two side edges of the tower body (1), the other end of the hose (28) is communicated with one end of each piston barrel (210), each piston barrel (210) is arranged underground, a fixing plate (211) is arranged beside the other end of each piston barrel (210), each fixing plate (211) is fixed underground by bolts, a buffer spring (212) is arranged between each fixing plate (211) and each piston barrel (210), one end of each buffer spring (212) is connected with each fixing plate (211), and the other end of each buffer spring (212) is connected with a piston of each piston barrel (210);
the anti-slip mechanism (3) further comprises a limiting part (31), the two sides of the tower body (1) are fixedly provided with the limiting part (31), the limiting part (31) is provided with a control part (32) in a sliding fit mode, the rotating rings of the switching cylinders (22) on the two sides are fixedly provided with a top movable arm (33), the top movable arm (33) is matched with the top end of the control part (32), the control part (32) is sleeved with a return spring (34), one end of the return spring (34) is connected with the bottom end of the control part (32), the other end of the return spring (34) is connected with the bottom surface of the limiting part (31), the bottom end of the control part (32) is fixedly provided with a folding arm (35), and the side of the shaft of the bottom wheel (18) is movably provided with a friction ring (36), so that the folding arm (35) moves downwards to drive the friction ring (36) to fold so as to rub the shaft of the bottom wheel (18).
2. The overhead bridge crane of claim 1, wherein:
the utility model discloses a top frame, including roof-rack (11), driving motor (14) and pulley (13) all power connection, roof-rack (11) divide both sides to set up, the open end that link up from top to bottom is in the middle part of roof-rack (11), the top surface slip of roof-rack (11) is provided with balladeur train (12), running fit has a plurality of pulleys (13) on balladeur train (12), pulley (13) symmetry sets up, pulley (13) run through balladeur train (12), both sides pulley (13) respectively with the top surface roll fit of roof-rack (11) of both sides, the top fixed mounting of balladeur train (12) has driving motor (14).
3. The overhead bridge crane of claim 2, wherein:
the lifting device is characterized in that a sling retraction machine (15) is fixedly arranged at the bottom end of the sliding frame (12), the sling retraction machine (15) is opposite to the middle of the top frame (11) at two sides, a lifting hook (16) is arranged below the sling retraction machine (15), a rope (17) is arranged between the lifting hook (16) and the sling retraction machine (15), the top end of the rope (17) is connected with the sling retraction machine (15), and the bottom end of the rope (17) is connected with the top end of the lifting hook (16).
CN202310869253.1A 2023-07-17 2023-07-17 Overhead bridge type overhead crane Active CN116605774B (en)

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CN108861913A (en) * 2018-07-12 2018-11-23 莆田市荔城区锋宁商贸有限公司 A kind of anti-slip dynamic device of the leveling of cage type elevator
CN211496588U (en) * 2019-12-31 2020-09-15 上海万林机械制造有限公司 Cleaning cage floor truck for cleaning machine
CN213416035U (en) * 2020-09-23 2021-06-11 中国铁路南宁局集团有限公司柳州货运中心 Bar type strong wind prevention rail braking system
CN215249166U (en) * 2021-11-01 2021-12-21 河南卫华重型机械股份有限公司 Crane capable of stably clamping graphite electrode
CN216377245U (en) * 2022-03-28 2022-04-26 河南省中原奥起实业有限公司 Tire gantry crane capable of moving stably
CN116425063A (en) * 2023-06-13 2023-07-14 山西机电职业技术学院 Crane with overload locking device
CN116425062A (en) * 2023-06-09 2023-07-14 山东中建众力设备租赁有限公司 Over-tilting early warning device of tower crane

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09169488A (en) * 1995-12-21 1997-06-30 Ishikawajima Harima Heavy Ind Co Ltd Overhead traveling crane
CN101186273A (en) * 2007-11-22 2008-05-28 广西壮族自治区公路桥梁工程总公司 Method for lowering overweight structure by connecting two jacks in series
CN106122591A (en) * 2016-07-14 2016-11-16 青岛理工大学 Guiding type air cylinder balance submarine pipeline access device and method
CN108861913A (en) * 2018-07-12 2018-11-23 莆田市荔城区锋宁商贸有限公司 A kind of anti-slip dynamic device of the leveling of cage type elevator
CN211496588U (en) * 2019-12-31 2020-09-15 上海万林机械制造有限公司 Cleaning cage floor truck for cleaning machine
CN213416035U (en) * 2020-09-23 2021-06-11 中国铁路南宁局集团有限公司柳州货运中心 Bar type strong wind prevention rail braking system
CN215249166U (en) * 2021-11-01 2021-12-21 河南卫华重型机械股份有限公司 Crane capable of stably clamping graphite electrode
CN216377245U (en) * 2022-03-28 2022-04-26 河南省中原奥起实业有限公司 Tire gantry crane capable of moving stably
CN116425062A (en) * 2023-06-09 2023-07-14 山东中建众力设备租赁有限公司 Over-tilting early warning device of tower crane
CN116425063A (en) * 2023-06-13 2023-07-14 山西机电职业技术学院 Crane with overload locking device

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