CN111573520A - Lifting device for bridge construction - Google Patents
Lifting device for bridge construction Download PDFInfo
- Publication number
- CN111573520A CN111573520A CN202010463435.5A CN202010463435A CN111573520A CN 111573520 A CN111573520 A CN 111573520A CN 202010463435 A CN202010463435 A CN 202010463435A CN 111573520 A CN111573520 A CN 111573520A
- Authority
- CN
- China
- Prior art keywords
- beam arm
- cross beam
- hoisting
- cavity
- arm
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000010276 construction Methods 0.000 title claims abstract description 22
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 38
- 239000007788 liquid Substances 0.000 claims abstract description 15
- 239000003921 oil Substances 0.000 claims abstract description 14
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 11
- 239000010959 steel Substances 0.000 claims abstract description 11
- 238000001125 extrusion Methods 0.000 claims description 11
- 238000009434 installation Methods 0.000 claims description 9
- 238000007790 scraping Methods 0.000 claims description 7
- 239000000956 alloy Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- 230000005484 gravity Effects 0.000 abstract description 22
- 230000002547 anomalous effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 238000004026 adhesive bonding Methods 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009414 blockwork Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000007105 physical stamina Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C19/00—Cranes comprising trolleys or crabs running on fixed or movable bridges or gantries
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/22—Rigid members, e.g. L-shaped members, with parts engaging the under surface of the loads; Crane hooks
- B66C1/34—Crane hooks
-
- 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
- B66C13/08—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for depositing loads in desired attitudes or positions
-
- 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
- B66C13/18—Control systems or devices
- B66C13/20—Control systems or devices for non-electric drives
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automation & Control Theory (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The invention belongs to the technical field of bridge construction, and particularly relates to hoisting equipment for bridge construction; comprises a hoisting frame, an electric hoist and a controller; the bottom end of a steel wire rope of the electric hoist is connected with a fixed cross beam, the top end of the fixed cross beam is fixedly provided with a hinge seat, and the upper end of the hinge seat is hinged with the bottom end of the steel wire rope through a connecting block; hydraulic cavities are symmetrically formed in the fixed cross beam, and a first cross beam arm is arranged in each hydraulic cavity in a sliding mode; a second beam arm is arranged in the first beam arm in a sliding manner, and a third beam arm is arranged in the second beam arm in a sliding manner; liquid guide holes are formed among the hydraulic cavity, the first cross beam arm and the second cross beam arm, and hydraulic control valves are arranged in the liquid guide holes; a hydraulic oil tank is fixed at the upper end of the fixed cross beam and is communicated with the oil guide pipe through a hydraulic oil pump; a plurality of hooks are arranged at the end part of the third beam arm; the hoisting operation of the hoisting object with unstable gravity center is facilitated, and the stability and the safety of the object during hoisting are improved.
Description
Technical Field
The invention belongs to the technical field of bridge construction, and particularly relates to hoisting equipment for bridge construction.
Background
When setting up the bridge, building the pile foundation earlier, then erect the bridge on the pile foundation, erect the bridge and need a lot of materials, if through artifical transport, not only consumed staff's physical stamina is great to work efficiency is lower.
Chinese patent discloses a lifting device for bridge construction, patent application number is 2017213816553, including the mount pad, the vertical bracing piece that is provided with on the mount pad, the one end that deviates from the mount pad on the bracing piece is connected with the mounting bracket for the pulley, the pulley is whole to be the isosceles triangle structure with the mounting bracket, and use two base angles of apex angle and lower extreme on the mounting bracket for the pulley as the rotatable fixed pulley of installing in center of rotation, the wire rope is around being equipped with on the fixed pulley, the one end of wire rope links to each other with the lifting hook, the other end of wire rope links to each other with the fixed lifting machine that sets up on the mount.
However, when the existing constructors hoist objects with large length and unstable center of gravity, the objects are mostly hoisted by using long bandages, and the hoisted bandages are not fixed to the center of gravity of the hoisted objects, so that sliding friction is generated between the hoisting bandages and the hoisted objects, and the stability and the safety of object hoisting are affected.
Disclosure of Invention
In order to make up for the defects of the prior art, the hoisting equipment for bridge construction is mainly used for solving the problems that when an object with larger length and unstable gravity center is hoisted by existing constructors, a long bandage is mostly adopted to hoist the object, and the hoisting bandage is not fixed to the gravity center of the hoisted object, so that sliding friction is generated between the hoisting bandage and the hoisted object, and the stability and the safety of hoisting the object are influenced.
The technical scheme adopted by the invention to solve the technical problem is as follows: the hoisting equipment for bridge construction comprises a hoisting frame, an electric hoist and a controller; an electric hoist is movably arranged on the hoisting frame; the bottom end of a steel wire rope of the electric hoist is provided with a balance hoisting device, and the balance hoisting device comprises a fixed cross beam, a hinge base, a first cross beam arm base, a second cross beam arm, a third cross beam arm, a hydraulic oil tank, an oil guide pipe and a hook; the top end of the fixed cross beam is fixedly provided with a hinge seat, and the upper end of the hinge seat is hinged with the bottom end of the steel wire rope through a connecting block; hydraulic cavities are symmetrically formed in the fixed cross beam, and a first cross beam arm seat is arranged in each hydraulic cavity in a sliding mode; a second crossbeam arm is arranged in the first crossbeam arm seat in a sliding manner, and a third crossbeam arm is arranged in the second crossbeam arm in a sliding manner; the first cross beam arm seat and the second cross beam arm are both provided with liquid guide holes, and liquid control valves are arranged in the liquid guide holes; a hydraulic oil tank is fixed at the upper end of the fixed cross beam, the hydraulic oil tank is communicated with an oil guide pipe through a hydraulic oil pump, and the end part of the oil guide pipe is communicated into a hydraulic cavity; the first cross beam arm seat, the second cross beam arm and the third cross beam arm are connected through springs; a plurality of hooks are arranged at the end part of the third beam arm;
when the lifting device is in work, when an object to be constructed on a bridge needs to be lifted by the lifting device, a constructor moves a lifting frame to a position to be lifted, then controls the electric hoist to drive the balance lifting device to descend and move to the upper side of the object through the controller, then controls the hydraulic oil pump through the controller according to the width of the object or the distance of the hook connecting structure arranged on the object, the hydraulic oil pump can inject hydraulic oil in the hydraulic oil tank into the hydraulic cavity through the oil guide pipe, the first cross beam arm seat can be pushed to extend out of the outer wall of the fixed cross beam along with the continuous injection of the hydraulic oil in the hydraulic cavity, and then the hook arranged on the third cross beam arm is driven to move to the hook connecting structure of the object, and then the object is lifted on the hook through the connecting bandage, so that the lifting and transferring operation of the object; the hydraulic hole valves arranged among the first cross beam arm seat, the second cross beam arm and the third cross beam arm are convenient for controlling the extension amount among the plurality of cross beam arms, if the width of a hoisted object is small, constructors can control the hydraulic control valves on the first cross beam arm seat and the second cross beam arm to be closed, and only hydraulic oil is needed to push the first cross beam arm to extend in the hydraulic cavity, so that the second cross beam arm and the third cross beam arm are contracted in the first cross beam arm seat, and the hoisting stability of the third cross beam arm on the object is further improved; furthermore, according to the size and the gravity of the hoisting object and the gravity center position of the hoisting object, the constructors can adjust the elongation of the first beam arm seats, the second beam arms and the third beam arms, so that the use length of the hoisting bandage is reduced, the hoisting objects with different widths and sizes can be conveniently hoisted, and meanwhile, the hoisting stability and the hoisting safety of the hoisting object are improved; current constructor is great to length, and when the unstable object of focus hoists, adopts longer bandage to hoist the object mostly, because the bandage of hoist and mount is not fixed to the focus position of hoist and mount object, and then leads to producing sliding friction between hoist and mount bandage and the hoist and mount object, and then influences the stability and the security of object hoist and mount.
Preferably, the plurality of hooks are arranged in the third beam arm through connecting rods, and the connecting rods are flexibly connected with the hooks through steel wire ropes; connecting rods arranged on the left side surface and the right side surface of the third beam arm move up and down on the bottom end surface of the third beam arm through a lifting adjusting mechanism, and the connecting rods are made of high-hardness alloy materials; when the lifting device works, the plurality of hooks can be used for connecting and lifting a plurality of connecting structures arranged on a lifting object; when the hooks on the left side and the right side of the third beam arm are required to hoist a wider object, a constructor can lower the connecting rods arranged on the left side and the right side through the lifting adjusting mechanism, so that the hooks on the left side and the right side of the bottom end of the third beam arm are lower than the hooks arranged in the middle, and further the hooks on the left side and the right side can conveniently and stably hoist the object with a larger width, so that the hoisting force of the electric hoist can be uniformly dispersed on the hoisted object through the hooks, and the phenomenon that the object inclines or the gravity center is unstable during hoisting is prevented; when the hanging hook at the center of the bottom end of the third beam arm is needed to be used for hoisting operation, a constructor can reversely adjust the lifting adjusting mechanism to enable the hanging hooks at the left side and the right side of the third beam arm to be higher than the hanging hook at the center, so that the constructor can conveniently use the hanging hook at the center of the bottom end of the third beam arm to carry out hoisting operation, and the hanging hooks at the left side and the right side cannot influence the use of other hanging hooks; the existing hoisting equipment is mostly and independently provided with a hook or a plurality of hooks that set up all are located same horizontal plane, hoist unstable or anomalous object of focus as required, the weight of hoist and mount object then can concentrate on the couple through the longer bandage slope of length, the power of hanging of couple is difficult to through bandage evenly distributed to hoist and mount object simultaneously on, and then influences the stability of object at hoist and mount.
Preferably, the lifting adjusting mechanism comprises an I-shaped connecting plate, a rotating screw rod, a screw rod sliding sleeve, a fixing block and a limiting spring; the end part of the third beam arm is provided with a mounting cavity, and an I-shaped connecting plate is movably arranged in the mounting cavity; the left bottom end and the right bottom end of the I-shaped connecting plate are fixedly connected to the connecting rod; the rotary screw rod penetrates through the upper cavity wall of the mounting cavity in a rotating mode through the screw rod sliding sleeve, and the top end of the rotary screw rod is located outside the mounting cavity; the bottom end of the rotary screw rod penetrates through the I-shaped connecting plate and is rotatably connected with the I-shaped connecting plate through the fixing block; the upper end surface of the I-shaped connecting plate is connected to the upper cavity wall of the mounting cavity through a limiting spring, and the limiting spring is sleeved on the rotating screw rod; when the hooks on the left side and the right side of the third beam arm need to be controlled to descend, a constructor can rotate the rotating lead screw clockwise to enable the rotating lead screw to drive the I-shaped connecting plate to move downwards, the I-shaped connecting plate can push the connecting rod to move towards the bottom end of the third beam arm under the thrust of the limiting spring, the constructor can rotate the rotating lead screw anticlockwise or clockwise, the hooks arranged on the left side and the right side can be adjusted to synchronously move downwards or upwards through the I-shaped connecting plate, and the hanging operation of a hanging object by the hooks is facilitated; the cooperation of balanced device and the lift adjustment mechanism of getting, balanced device of getting can be unstable to the focus, and the construction object of variation in size stabilizes safe hoist and mount operation, and the height of the couple that the lift adjustment mechanism can adjust the third crossbeam arm left and right sides set up for electric block's hoist and mount power can prevent that the object from producing slope or the unstable phenomenon of focus when hoist and mount on the irregular hoist and mount object of shape through a plurality of couples homodisperses.
Preferably, the bottom end face of the third beam arm is provided with a conical scraping blade, and the conical scraping blade is arranged along the circumferential outer wall of the connecting rod; the end part of the conical scraping blade is elastically pressed and contacted with the circumferential outer wall of the connecting rod; when the connecting rod reciprocated under the drive of I shape connecting plate, the toper doctor-bar can clear up the operation to the outer wall of connecting rod, prevents that the outer wall of connecting rod from gluing there is earth or stereoplasm debris, and then leads to constructor to be difficult to rotate the lead screw through twisting, and then the elongation of adjustment connecting rod, and then influences the safety and stability hoist and mount operation of couple to the object.
Preferably, the upper end of the I-shaped connecting plate is provided with a sliding guide rod, and the top end of the sliding guide rod slides in the fixed sliding sleeve through a sliding block; the fixed sliding sleeve is fixedly arranged on the upper cavity wall of the installation cavity, and the inside of the fixed sliding sleeve is connected with the bottom end of the sliding block through a cavity spring; when the sliding guide sleeve works, when the I-shaped connecting plate slides upwards under the driving of the rotating screw rod, the I-shaped connecting plate can extrude the sliding guide rod, so that the sliding guide rod can be upwards contracted into the fixed sliding sleeve; when a heavy object is hoisted on the hook, the gravity of the heavy object acts on the I-shaped connecting plate through the connecting rod, the sliding guide rod acts on the fixed sliding sleeve through the extrusion of the cavity spring, and the matching of the sliding guide rod and the fixed sliding sleeve can play a role in supporting the I-shaped connecting plate, so that the I-shaped connecting plate is prevented from being supported and connected only through the threaded connection force between the rotating screw rod and the screw rod sliding sleeve, and when the load borne by the hook is large, the I-shaped connecting plate can be broken, and the service lives of the I-shaped connecting plate and the rotating screw rod are further influenced; the cavity spring that sets up can be convenient for the slip guide bar receives gravity and extrudees fixed sliding sleeve downwards, plays the effect of stable support.
Preferably, the cross section of the cavity spring is of a square structure, and hydraulic oil is filled in the cavity spring; a wear-resistant rubber layer is arranged inside the fixed sliding sleeve and is in extrusion contact with the cavity spring; when the cavity spring is compressed, the cavity spring of the directional structure can be extruded, deformed and attached to the inner wall of the fixed sliding sleeve, so that the gravity of extrusion bearing between the sliding block and the fixed sliding sleeve is increased; meanwhile, the hydraulic oil filled in the cavity spring can improve the hardness of the cavity spring and the extrusion deformation force when the sliding block is extruded, so that the soft contact extrusion effect can be realized between adjacent spiral coils of the cavity spring; the wear-resisting rubber layer that sets up simultaneously can reduce the phenomenon of fixed sliding sleeve inner wall wearing and tearing.
The invention has the following beneficial effects:
1. by arranging the balance hoisting device, a constructor can adjust the elongation of the first beam arm seat, the second beam arm and the third beam arm according to the size and the gravity of a hoisted object and the gravity center position of the hoisted object, so that the use length of the hoisting bandage is reduced, the hoisted object with different widths and sizes and unstable gravity center can be hoisted conveniently, and meanwhile, the hoisting stability and the hoisting safety of the hoisted object are improved.
2. According to the invention, through the matching of the balance hoisting device and the lifting adjusting mechanism, the balance hoisting device can stably and safely hoist construction objects with unstable gravity centers and different sizes, and the lifting adjusting mechanism can adjust the heights of the hooks arranged on the left side and the right side of the third beam arm, so that the hoisting force of the electric hoist can be uniformly dispersed on the hoisted objects with irregular shapes through the hooks, and the phenomena of inclination or unstable gravity centers of the objects during hoisting are prevented.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a perspective view of the balance lift system of the present invention;
FIG. 3 is a partial cross-sectional view of FIG. 2 of the present invention;
FIG. 4 is an assembly view of the lift adjustment mechanism of the present invention;
in the figure: the lifting frame comprises a lifting frame 1, an electric hoist 2, a controller 3, a steel wire rope 4, a balance lifting device 5, a fixed cross beam 51, a hydraulic cavity 511, a hinge seat 52, a first cross beam arm 53, a second cross beam arm 54, a liquid guide hole 541, a third cross beam arm 55, a mounting cavity 551, a hydraulic oil tank 56, an oil guide pipe 57, a hook 58, a connecting rod 6, a lifting adjusting mechanism 7, an I-shaped connecting plate 71, a rotating screw rod 72, a screw rod sliding sleeve 73, a fixed block 74, a limiting spring 75, a conical scraper 8, a sliding guide rod 9, a sliding block 10, a fixed sliding sleeve 11, a wear-resistant rubber layer 111 and a cavity spring 12.
Detailed Description
A hoisting device for bridge construction according to an embodiment of the present invention will be described below with reference to fig. 1 to 4.
As shown in fig. 1-4, the hoisting device for bridge construction comprises a hoisting frame 1, an electric hoist 2 and a controller 3; an electric hoist 2 is movably arranged on the hoisting frame 1; the bottom end of a steel wire rope 4 of the electric hoist 2 is provided with a balance hoisting device 5, and the balance hoisting device 5 comprises a fixed cross beam 51, a hinge base 52, a first cross beam arm 53, a second cross beam arm 54, a third cross beam arm 55, a hydraulic oil tank 56, an oil guide pipe 57 and a hook 58; the top end of the fixed cross beam 51 is fixedly provided with a hinge seat 52, and the upper end of the hinge seat 52 is hinged with the bottom end of the steel wire rope 4 through a connecting block; hydraulic cavities 511 are symmetrically formed in the fixed cross beam 51, and first cross beam arms 53 are arranged in the hydraulic cavities 511 in a sliding mode; a second beam arm 54 is arranged in the first beam arm 53 in a sliding manner, and a third beam arm 55 is arranged in the second beam arm 54 in a sliding manner; the first beam arm 53 and the second beam arm 54 are both provided with a liquid guide hole 541, and a hydraulic control valve is arranged in the liquid guide hole 541; a hydraulic oil tank 56 is fixed at the upper end of the fixed cross beam 51, the hydraulic oil tank 56 is communicated with an oil guide pipe 57 through a hydraulic oil pump, and the end part of the oil guide pipe 57 is communicated into the hydraulic cavity 511; the first cross beam arm 53, the second cross beam arm 54 and the third cross beam arm 55 are connected through springs; a plurality of hooks 58 are arranged at the end of the third beam arm 55;
when in work, when the hoisting equipment is needed to hoist the objects for bridge construction, constructors move the hoisting frame 1 to the position to be hoisted, then the controller 3 controls the electric hoist 2 to drive the balance hoisting device 5 to descend and move to the upper part of the object, the constructor then depending on the width of the object or the distance of the structure to which the hanger 58 is attached provided on the object, then, the controller 3 controls the hydraulic oil pump, the hydraulic oil pump will inject the hydraulic oil in the hydraulic oil tank 56 into the hydraulic chamber 511 through the oil conduit 57, and with the continuous injection of the hydraulic oil in the hydraulic chamber 511, the first beam arm 53 will be pushed to extend out of the outer wall of the fixed beam 51, thereby driving the hook 58 arranged on the third beam arm 55 to move to the connecting structure of the hook 58 of the object, then, the object is hung on the hook 58 through the connecting bandage, so that the object can be conveniently hoisted and transported; the liquid hole valves arranged among the first cross beam arm 53, the second cross beam arm 54 and the third cross beam arm 55 are convenient for controlling the extension amount among the plurality of cross beam arms, if the width of a hoisted object is small, a constructor can control the liquid control valves on the first cross beam arm 53 and the second cross beam arm 54 to be closed, and only hydraulic oil is needed to push the first cross beam arm 53 to extend in the hydraulic cavity 511, so that the second cross beam arm 54 and the third cross beam arm 55 are contracted in the first cross beam arm 53, and further the hoisting stability of the third cross beam arm 55 to the object is improved; furthermore, according to the size and the gravity of the hoisting object and the gravity center position of the hoisting object, the constructor can adjust the elongation of the plurality of first cross beam arms 53, the plurality of second cross beam arms 54 and the plurality of third cross beam arms 55, so that the use length of the hoisting bandage is reduced, the hoisting objects with different widths and sizes can be conveniently hoisted, and meanwhile, the hoisting stability and the hoisting safety of the hoisting object are improved; current constructor is great to length, and when the unstable object of focus hoists, adopts longer bandage to hoist the object mostly, because the bandage of hoist and mount is not fixed to the focus position of hoist and mount object, and then leads to producing sliding friction between hoist and mount bandage and the hoist and mount object, and then influences the stability and the security of object hoist and mount.
As an embodiment of the present invention, a plurality of the hooks 58 are disposed in the third beam arm 55 through the connecting rod 6, and the connecting rod 6 and the hooks 58 are flexibly connected through the wire rope 4; the connecting rods 6 arranged on the left side surface and the right side surface of the third beam arm 55 move up and down on the bottom end surface of the third beam arm 55 through the lifting adjusting mechanism 7, and the connecting rods 6 are made of high-hardness alloy materials; when the lifting device works, the plurality of hooks 58 can be used for connecting and lifting a plurality of connecting structures arranged on a lifting object; when the hooks 58 on the left side and the right side of the third beam arm 55 are required to hoist a wider object, a constructor can lower the connecting rods 6 arranged on the left side and the right side through the lifting adjusting mechanism 7, so that the hooks 58 on the left side and the right side of the bottom end of the third beam arm 55 are lower than the hooks 58 arranged in the middle, and the hooks 58 on the left side and the right side can conveniently and stably hoist the wider object, so that the hoisting force of the electric hoist 2 can be uniformly dispersed on the hoisted object through the hooks 58, and the phenomenon that the object is inclined or the center of gravity is unstable during hoisting is prevented; when the hanging hook 58 at the center of the bottom end of the third beam arm 55 is needed for hoisting, a constructor can reversely adjust the lifting adjusting mechanism 7, so that the hanging hooks 58 at the left side and the right side of the third beam arm 55 are higher than the hanging hook 58 at the center, the constructor can conveniently use the hanging hook 58 at the center of the bottom end of the third beam arm 55 for hoisting, and the hanging hooks 58 at the left side and the right side do not influence the use of other hanging hooks 58; the existing hoisting equipment is mostly provided with a couple 58 alone or a plurality of couples 58 that set up all are located same horizontal plane, hoists the unstable or anomalous object of focus as required, and the weight of hoist and mount object then can concentrate on couple 58 through the longer bandage slope of length, and the power of hanging of couple 58 is difficult to through bandage evenly distributed to hoist and mount object simultaneously, and then influences the stability of object at hoist and mount.
As an embodiment of the present invention, the lifting adjustment mechanism 7 includes an i-shaped connection plate 71, a rotary screw 72, a screw sliding sleeve 73, a fixed block 74 and a limit spring 75; the end part of the third beam arm 55 is provided with a mounting cavity 551, and an I-shaped connecting plate 71 is movably arranged in the mounting cavity 551; the left bottom end and the right bottom end of the I-shaped connecting plate 71 are fixedly connected to the connecting rod 6; the rotary screw rod 72 rotatably penetrates through the upper cavity wall of the installation cavity 551 through a screw rod sliding sleeve 73, and the top end of the rotary screw rod 72 is positioned outside the installation cavity 551; the bottom end of the rotary screw 72 penetrates through the I-shaped connecting plate 71 and is rotatably connected with the I-shaped connecting plate 71 through a fixing block 74; the upper end face of the I-shaped connecting plate 71 is connected to the upper cavity wall of the installation cavity 551 through a limiting spring 75, and the limiting spring 75 is sleeved on the rotating screw rod 72; when the hooks 58 on the left side and the right side of the third beam arm 55 need to be controlled to descend, a constructor can rotate the rotating screw rod 72 clockwise, so that the rotating screw rod 72 can drive the I-shaped connecting plate 71 to move downwards, the I-shaped connecting plate 71 can push the connecting rod 6 to move towards the bottom end of the third beam arm 55 under the thrust of the limiting spring 75, the constructor can rotate the rotating screw rod 72 anticlockwise or clockwise, the hooks 58 arranged on the left side and the right side can be adjusted to synchronously move downwards or upwards through the I-shaped connecting plate 71, and the hooks 58 can conveniently hoist objects; the cooperation of balanced device 5 of getting and lifting adjusting mechanism 7, balanced device 5 of getting can be unstable to the focus, and the construction object of variation in size stabilizes the safe hoist and mount operation, lifting adjusting mechanism 7 can adjust the height of the couple 58 that the third crossbeam arm 55 left and right sides set up for electric block 2's hoist and mount power can be through on the anomalous hoist and mount object of shape of a plurality of couples 58 homodisperses, prevent that the object from producing slope or the unstable phenomenon of focus when hoist and mount.
As an embodiment of the present invention, the bottom end face of the third beam arm 55 is provided with a tapered wiper blade 8, and the tapered wiper blade 8 is provided along the circumferential outer wall of the connecting rod 6; the end part of the conical scraping blade 8 is elastically pressed and contacted with the circumferential outer wall of the connecting rod 6; when the connecting rod 6 reciprocates under the drive of I-shaped connecting plate 71, the toper doctor-bar 8 can clear up the operation to the outer wall of connecting rod 6, prevents that the outer wall of connecting rod 6 from gluing there is earth or stereoplasm debris, and then leads to constructor to be difficult to rotate lead screw 72 through twisting, and then the elongation of adjustment connecting rod 6, and then influences the safety and stability hoist and mount operation of couple 58 to the object.
As an embodiment of the present invention, the upper end of the i-shaped connecting plate 71 is provided with a sliding guide rod 9, and the top end of the sliding guide rod 9 slides in the fixed sliding sleeve 11 through the sliding block 10; the fixed sliding sleeve 11 is fixedly arranged on the upper cavity wall of the installation cavity 551, and the inside of the fixed sliding sleeve 11 is connected with the bottom end of the sliding block 10 through a cavity spring 12; when the sliding guide device works, when the I-shaped connecting plate 71 is driven by the rotating screw rod 72 to slide upwards, the I-shaped connecting plate 71 can extrude the sliding guide rod 9, so that the sliding guide rod 9 can be upwards retracted into the fixed sliding sleeve 11; when a heavy object is hoisted on the hook 58, the gravity of the heavy object acts on the I-shaped connecting plate 71 through the connecting rod 6, further the sliding guide rod 9 acts on the fixed sliding sleeve 11 through the extrusion of the cavity spring 12, further the sliding guide rod 9 is matched with the fixed sliding sleeve 11, the I-shaped connecting plate 71 can be supported, the I-shaped connecting plate 71 is prevented from being supported and connected only through the threaded connection force between the rotating screw rod 72 and the screw rod sliding sleeve 73, and when the load borne by the hook 58 is large, the I-shaped connecting plate 71 can be broken, and the service lives of the I-shaped connecting plate 71 and the rotating screw rod 72 are further influenced; the cavity spring 12 is arranged to facilitate the sliding guide rod 9 to be pressed downwards by gravity to fix the sliding sleeve 11, so as to play a role of stable support.
As an embodiment of the present invention, the cross section of the cavity spring 12 is a square structure, and the interior of the cavity spring 12 is filled with hydraulic oil; a wear-resistant rubber layer 111 is arranged inside the fixed sliding sleeve 11, and the wear-resistant rubber layer 111 is in extrusion contact with the cavity spring 12; when the sliding block works, the cavity spring 12 with the directional structure can be extruded, deformed and attached to the inner wall of the fixed sliding sleeve 11 when being compressed, so that the gravity of extrusion bearing between the sliding block 10 and the fixed sliding sleeve 11 is increased; meanwhile, the hydraulic oil filled in the cavity spring 12 can improve the hardness of the cavity spring 12 and the extrusion deformation force when the sliding block 10 is extruded, so that the soft contact extrusion effect between adjacent coils of the cavity spring 12 can be realized; meanwhile, the wear-resistant rubber layer 111 can reduce the phenomenon of wear of the inner wall of the fixed sliding sleeve 11.
The specific working process is as follows:
when in work, when the hoisting equipment is needed to hoist the objects for bridge construction, constructors move the hoisting frame 1 to the position to be hoisted, then the controller 3 controls the electric hoist 2 to drive the balance hoisting device 5 to descend and move to the upper part of the object, the constructor then depending on the width of the object or the distance of the structure to which the hanger 58 is attached provided on the object, then, the controller 3 controls the hydraulic oil pump, the hydraulic oil pump will inject the hydraulic oil in the hydraulic oil tank 56 into the hydraulic chamber 511 through the oil conduit 57, and with the continuous injection of the hydraulic oil in the hydraulic chamber 511, the first beam arm 53 will be pushed to extend out of the outer wall of the fixed beam 51, thereby driving the hook 58 arranged on the third beam arm 55 to move to the connecting structure of the hook 58 of the object, then, the object is hung on the hook 58 through the connecting bandage, so that the object can be conveniently hoisted and transported; the liquid hole valves arranged among the first cross beam arm 53, the second cross beam arm 54 and the third cross beam arm 55 are convenient for controlling the extension amount among the plurality of cross beam arms, if the width of a hoisted object is small, a constructor can control the liquid control valves on the first cross beam arm 53 and the second cross beam arm 54 to be closed, and only hydraulic oil is needed to push the first cross beam arm 53 to extend in the hydraulic cavity 511, so that the second cross beam arm 54 and the third cross beam arm 55 are contracted in the first cross beam arm 53, and further the hoisting stability of the third cross beam arm 55 to the object is improved.
In the description of the present invention, it is to be understood that the terms "center", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be taken as limiting the scope of the present invention.
While the invention has been described with reference to specific embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from its scope. Therefore, it is intended that the invention not be limited to the particular embodiment disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (6)
1. A hoisting device for bridge construction comprises a hoisting frame (1), an electric hoist (2) and a controller (3); an electric hoist (2) is movably arranged on the hoisting frame (1); the method is characterized in that: the bottom end of a steel wire rope (4) of the electric hoist (2) is provided with a balance hoisting device (5), and the balance hoisting device (5) comprises a fixed cross beam (51), a hinged seat (52), a first cross beam arm (53), a second cross beam arm (54), a third cross beam arm (55), a hydraulic oil tank (56), an oil guide pipe (57) and a hook (58); the top end of the fixed cross beam (51) is fixedly provided with a hinge seat (52), and the upper end of the hinge seat (52) is hinged with the bottom end of the steel wire rope (4) through a connecting block; hydraulic cavities (511) are symmetrically formed in the fixed cross beam (51), and a first cross beam arm (53) is arranged in each hydraulic cavity (511) in a sliding mode; a second beam wall is arranged in the first beam arm (53) in a sliding manner, and a third beam arm (55) is arranged in the second beam wall in a sliding manner; the first beam arm (53) and the second beam arm (54) are provided with liquid guide holes (541), and liquid control valves are arranged in the liquid guide holes (541); a hydraulic oil tank (56) is fixed at the upper end of the fixed cross beam (51), the hydraulic oil tank (56) is communicated with an oil guide pipe (57) through a hydraulic oil pump, and the end part of the oil guide pipe (57) is communicated into the hydraulic cavity (511); the first beam arm (53), the second beam arm (54) and the third beam arm (55) are connected through springs; the end of the third beam arm (55) is provided with a plurality of hooks (58).
2. The hoisting equipment for bridge construction according to claim 1, characterized in that: the plurality of hooks (58) are arranged in the third beam arm (55) through connecting rods (6), and the connecting rods (6) are in flexible connection with the hooks (58) through steel wire ropes (4); and connecting rods (6) arranged on the left side surface and the right side surface of the third beam arm (55) move up and down on the bottom end surface of the third beam arm (55) through a lifting adjusting mechanism (7), and the connecting rods (6) are made of high-hardness alloy materials.
3. The hoisting equipment for bridge construction according to claim 2, characterized in that: the lifting adjusting mechanism (7) comprises an I-shaped connecting plate (71), a rotating screw rod (72), a screw rod sliding sleeve (73), a fixing block (74) and a limiting spring (75); an installation cavity (551) is formed in the end portion of the third beam arm (55), and an I-shaped connecting plate (71) is movably arranged in the installation cavity (551); the left bottom end and the right bottom end of the I-shaped connecting plate (71) are fixedly connected to the connecting rod (6); the rotary screw rod (72) penetrates through the upper cavity wall of the installation cavity (551) in a rotating mode through a screw rod sliding sleeve (73), and the top end of the rotary screw rod (72) is located outside the installation cavity (551); the bottom end of the rotary screw rod (72) penetrates through the I-shaped connecting plate (71) and is rotatably connected with the I-shaped connecting plate (71) through a fixing block (74); the upper end face of the I-shaped connecting plate (71) is connected to the upper cavity wall of the mounting cavity (551) through a limiting spring (75), and the limiting spring (75) is sleeved on the rotary screw rod (72).
4. The hoisting equipment for bridge construction according to claim 3, wherein: the bottom end face of the third beam arm (55) is provided with a conical scraping blade (8), and the conical scraping blade (8) is arranged along the circumferential outer wall of the connecting rod (6); the end part of the conical scraping blade (8) is elastically pressed and contacted with the circumferential outer wall of the connecting rod (6).
5. The hoisting equipment for bridge construction according to claim 4, wherein: the upper end of the I-shaped connecting plate (71) is provided with a sliding guide rod (9), and the top end of the sliding guide rod (9) slides in the fixed sliding sleeve (11) through a sliding block (10); the fixed sliding sleeve (11) is fixedly arranged on the upper cavity wall of the mounting cavity (551), and the inside of the fixed sliding sleeve (11) is connected with the bottom end of the sliding block (10) through a cavity spring (12).
6. The hoisting equipment for bridge construction according to claim 5, wherein: the cross section of the cavity spring (12) is of a square structure, and hydraulic oil is filled in the cavity spring (12); the fixed sliding sleeve (11) is internally provided with a wear-resistant rubber layer (111), and the wear-resistant rubber layer (111) is in extrusion contact with the cavity spring (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010463435.5A CN111573520B (en) | 2020-05-27 | 2020-05-27 | Lifting device for bridge construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010463435.5A CN111573520B (en) | 2020-05-27 | 2020-05-27 | Lifting device for bridge construction |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111573520A true CN111573520A (en) | 2020-08-25 |
| CN111573520B CN111573520B (en) | 2021-02-26 |
Family
ID=72119588
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010463435.5A Active CN111573520B (en) | 2020-05-27 | 2020-05-27 | Lifting device for bridge construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111573520B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022099734A1 (en) * | 2020-11-12 | 2022-05-19 | 昆山凯禄电子科技有限公司 | Lifting annular sling with clamping structure |
| CN117142324A (en) * | 2023-10-27 | 2023-12-01 | 河南省第二建筑工程发展有限公司 | High-stability tower crane hook for building construction |
| CN118479375A (en) * | 2024-05-28 | 2024-08-13 | 徐州万茂机械制造有限公司 | Excavator accessory hoist device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0930775A (en) * | 1995-07-12 | 1997-02-04 | Kobelco Kenki Eng Kk | Hook unit of switch replacing work vehicle |
| CN204569125U (en) * | 2015-03-30 | 2015-08-19 | 新兴铸管股份有限公司 | A kind of telescopic spreader |
| CN206680092U (en) * | 2017-04-19 | 2017-11-28 | 镇江华耀路桥配套工程有限公司 | A kind of steel structure bridge lifting device |
| CN209010002U (en) * | 2018-11-02 | 2019-06-21 | 金华市熙和环保科技有限公司 | A kind of three piston boom hoisting of three hook |
| CN209038919U (en) * | 2018-07-18 | 2019-06-28 | 西南石油大学 | A kind of submarine anti-corrosion pipe rail mounted lift pipe carrier loader |
| CN210103290U (en) * | 2019-04-10 | 2020-02-21 | 吴少川 | Gantry crane lifting appliance |
-
2020
- 2020-05-27 CN CN202010463435.5A patent/CN111573520B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0930775A (en) * | 1995-07-12 | 1997-02-04 | Kobelco Kenki Eng Kk | Hook unit of switch replacing work vehicle |
| CN204569125U (en) * | 2015-03-30 | 2015-08-19 | 新兴铸管股份有限公司 | A kind of telescopic spreader |
| CN206680092U (en) * | 2017-04-19 | 2017-11-28 | 镇江华耀路桥配套工程有限公司 | A kind of steel structure bridge lifting device |
| CN209038919U (en) * | 2018-07-18 | 2019-06-28 | 西南石油大学 | A kind of submarine anti-corrosion pipe rail mounted lift pipe carrier loader |
| CN209010002U (en) * | 2018-11-02 | 2019-06-21 | 金华市熙和环保科技有限公司 | A kind of three piston boom hoisting of three hook |
| CN210103290U (en) * | 2019-04-10 | 2020-02-21 | 吴少川 | Gantry crane lifting appliance |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022099734A1 (en) * | 2020-11-12 | 2022-05-19 | 昆山凯禄电子科技有限公司 | Lifting annular sling with clamping structure |
| CN117142324A (en) * | 2023-10-27 | 2023-12-01 | 河南省第二建筑工程发展有限公司 | High-stability tower crane hook for building construction |
| CN117142324B (en) * | 2023-10-27 | 2024-01-12 | 河南省第二建筑工程发展有限公司 | High-stability tower crane hook for building construction |
| CN118479375A (en) * | 2024-05-28 | 2024-08-13 | 徐州万茂机械制造有限公司 | Excavator accessory hoist device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111573520B (en) | 2021-02-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111573520B (en) | Lifting device for bridge construction | |
| CN112125131B (en) | Be applicable to prefabricated plate stair lift by crane auxiliary device | |
| CN113756557B (en) | Hanging flower basket device for outer wall construction | |
| CN115341486B (en) | Bridge fabrication machine for cantilever pouring construction | |
| CN220998952U (en) | Steel bar truss floor carrier plate hoisting auxiliary equipment | |
| CN110467113B (en) | Large-tonnage tunnel anchor cable saddle hoisting device and method | |
| CN110306777A (en) | A kind of construction method applied to lifting platform for elevator hoistway in architectural engineering | |
| CN103523682A (en) | Luffing jib tower crane | |
| CN109052205B (en) | Stable high altitude hangs thing device when heavy object promotes | |
| CN220504483U (en) | Hydraulic lifting scaffold sleeve frame guide assembly | |
| CN219044786U (en) | Constant lifting force non-equidistant lifting balance beam | |
| CN218988619U (en) | Mother rod lifting device for metal smelting | |
| CN110937490A (en) | Hoisting machine for steel reinforcement cage | |
| CN220283280U (en) | Hoisting auxiliary device | |
| CN214399480U (en) | A conveniently unload and transfer device for reinforcing bar coil stock | |
| CN118049184A (en) | Double-beam electric cylinder oil pumping machine | |
| CN215886105U (en) | Movable submersible sewage pump hoisting device | |
| CN212465848U (en) | Telescopic three-hanging-point hanger for window cleaning machine | |
| CN217076766U (en) | Hydraulic engineering construction is with crane | |
| CN221069478U (en) | Building materials lifting means for construction | |
| CN219098558U (en) | Swing arm type lifting gravity center adjusting hanging beam | |
| CN116443727B (en) | Crane sling capable of reducing shielding and use method thereof | |
| CN110847585B (en) | Bridge building safety construction triangle hangs basket and assistance-localization real-time structure thereof | |
| CN220596977U (en) | Hoisting structure for high-rise building | |
| CN220225298U (en) | Anchor rope supporting auxiliary device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zheng Yanhua Inventor after: Gu Jianfeng Inventor after: Chen Peng Inventor after: Zhang Shimin Inventor before: Zhang Shimin |
|
| CB03 | Change of inventor or designer information | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20210203 Address after: 200083 water circuit 180, Hongkou District, Shanghai Applicant after: SHANGHAI GREENLAND CONSTRUCTION GROUP Co.,Ltd. Applicant after: SHANGHAI NO.4 CONSTRUCTION Co.,Ltd. Address before: 530400 No.21, Xinzhang village, Yonghe village committee, Zou Wei Town, Binyang County, Nanning City, Guangxi Zhuang Autonomous Region Applicant before: Zhang Shimin |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |