CN113044728A - Novel arc track bridge crane - Google Patents
Novel arc track bridge crane Download PDFInfo
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- CN113044728A CN113044728A CN202110162292.9A CN202110162292A CN113044728A CN 113044728 A CN113044728 A CN 113044728A CN 202110162292 A CN202110162292 A CN 202110162292A CN 113044728 A CN113044728 A CN 113044728A
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- end beam
- wheel set
- bridge crane
- arc track
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- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 21
- 230000007246 mechanism Effects 0.000 claims description 22
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- 238000012545 processing Methods 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 4
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- 241001669679 Eleotris Species 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229910001208 Crucible steel Inorganic materials 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
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- 238000010923 batch production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
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- 238000005065 mining Methods 0.000 description 1
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- 238000006467 substitution reaction Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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Classifications
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- 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
- B66C17/04—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 with lifting beams, e.g. slewable beams, carrying load-engaging elements, e.g. magnets, hooks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C7/00—Runways, tracks or trackways for trolleys or cranes
- B66C7/08—Constructional features of runway rails or rail mountings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C7/00—Runways, tracks or trackways for trolleys or cranes
- B66C7/16—Devices specially adapted for limiting trolley or crane travel; Arrangements of buffer-stops
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- 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
- B66C9/04—Travelling gear incorporated in or fitted to trolleys or cranes to facilitate negotiation of curves
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- 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
- B66C9/08—Runners; Runner bearings
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- 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
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- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
Abstract
The invention provides a novel arc track bridge crane which comprises an inner end beam, an outer end beam, a wheel set structure, a main beam, a driving motor reducer, a hoisting trolley and a walking platform, wherein the inner end beam is connected with the outer end beam through a connecting rod; a hoisting trolley is arranged on the main beam; the inner end beam and the outer end beam are both connected to two ends of the main beam through bolts and are positioned on the same central line; the inner end beam is provided with a wheel set structure; the driving motor is connected to the inner end beam and the outer end beam; the inner side of the walking board is connected to the main beam. When special plants or construction sites are limited by space or required by design, the track needs to be installed according to the arc shape, so that the common bridge crane cannot be used.
Description
Technical Field
The invention belongs to the field of hoisting equipment, and particularly relates to a novel arc track bridge crane.
Background
The bridge crane is a hoisting device which is transversely arranged above workshops, warehouses and stockyards to hoist materials. Since its two ends are seated on a tall concrete column or a metal bracket, it is shaped like a bridge. The bridge frame of the bridge crane runs longitudinally along the rails laid on the elevated frames at two sides, so that the space below the bridge frame can be fully utilized to hoist materials without being hindered by ground equipment. The lifting machine has the widest application range and the largest quantity. The bridge crane is an important tool and equipment for realizing mechanization and automation of the production process in modern industrial production and hoisting transportation. Therefore, the bridge crane is widely applied to indoor and outdoor industrial and mining enterprises, steel chemical industry, railway transportation, ports and docks, logistics turnover and other departments and places.
Some special factory buildings or building sites receive space restriction or relate to the needs, and the track need be installed according to arc, leads to can't use ordinary bridge crane, compares with arc crane, and this patent designs into one side and adopts perpendicular hinge axle wheelset, and one side adopts the box wheelset of declination, improves arc crane's adaptability.
Disclosure of Invention
The invention aims to provide a novel arc-shaped track bridge crane, which aims to solve the technical problems that:
to achieve the above technical object, the following technical solutions are now provided:
a novel arc track bridge crane comprises an inner end beam, an outer end beam, a wheel set structure, a main beam, a driving motor reducer, a hoisting trolley and a walking platform, wherein the hoisting trolley is arranged on the main beam; the inner end beam and the outer end beam are both connected to the two ends of the main beam through bolts; the inner end beam and the outer end beam are positioned on the same central line, and the inner end beam is provided with a wheel set structure; the driving motor reducer is connected to the inner end beam and the outer end beam; the inner side of the walking board is connected to the main beam.
As a further scheme of the invention, the novel arc track bridge crane comprises wheel sets, a front wheel set and a rear wheel set; the front wheel set and the rear wheel set are connected to the inner end beam.
As a further scheme of the invention, the novel arc track bridge crane comprises a front wheel set, a rear wheel set, a front wheel set, a rear wheel set and a front wheel set, wherein the front wheel set comprises an angle deviation box, wheels, a horizontal wheel set and an end beam frame; one side of the end beam frame is connected to the main beam; the deflection angle box is connected to the end beam frame; the length of the deflection angle box is smaller than that of the end beam frame; wheels are arranged in the deflection angle box; and the other side of the end beam frame is connected with a horizontal wheel set.
As a further scheme of the invention, the novel arc track bridge crane comprises a rear wheel set, a front wheel set, a rear wheel set and a rear wheel set, wherein the rear wheel set comprises an end beam head, a rotating shaft, a wheel box, a horizontal wheel set and wheels; the end beam head is connected with the wheel box through a rotating shaft in the vertical direction; the horizontal wheel set is connected to the wheel box; the rotating shaft is connected to the end beam head through a bolt, and the wheel is fixedly connected to the wheel box through a bolt.
As a further scheme of the invention, the novel arc track bridge crane is characterized in that a channel capable of accommodating the rotating shaft to pass through is arranged on the end beam head.
As a further scheme of the invention, the center line of the front wheel set and the arc-shaped rail form a certain deflection angle.
As a further scheme of the invention, the novel arc track bridge crane is characterized in that a horizontal guide wheel is arranged on the horizontal wheel set; the horizontal guide wheel is connected to the horizontal wheel set through a bolt.
As a further scheme of the novel arc-shaped track bridge crane, the deflection angle box is connected with the end beam frame through the positioning pin.
As a further scheme of the invention, the novel arc track bridge crane comprises a hoisting mechanism, a trolley running mechanism and a trolley frame, wherein the trolley frame is connected with the hoisting mechanism, and the trolley running mechanism is arranged at the bottom of the trolley frame.
As a further scheme of the invention, the novel arc-shaped track bridge crane comprises a hoisting mechanism, a lifting mechanism and a lifting mechanism, wherein the hoisting mechanism comprises a brake, a motor, a speed reducer, a linkage shaft, a winding drum and a pulley block; the speed reducer is connected with the brake through a linkage shaft, the other side of the linkage shaft is connected with a motor, the winding drum is connected with the speed reducer, and the pulley block is located below the winding drum.
Compared with the prior art, the invention has the beneficial effects that:
when special plants or construction sites are limited by space or required by design, the track needs to be installed according to the arc shape, so that the common bridge crane cannot be used.
Drawings
FIG. 1 is a schematic structural diagram of a wheel set of the arc-shaped bridge crane;
FIG. 2 is a top view of the arc bridge crane;
FIG. 3 is a schematic view of a front wheel set of the arc bridge crane;
FIG. 4 is a schematic view of an angled hole;
FIG. 5 is a side view of the rear wheel set of the arc bridge crane;
FIG. 6 is a bottom view of the rear wheel set of the arc bridge crane;
FIG. 7 is a schematic view of a hoisting mechanism of the arc-shaped bridge crane;
FIG. 8 is a schematic view of a reducer of a driving motor of the arc bridge crane;
fig. 9 is a schematic block diagram of the arc bridge crane.
Reference numerals: 1. an inner end beam; 2. a main beam; 3. walking; 4. an outer end beam; 5. an electrical control device; 6. hoisting a trolley; 6.1. a hoisting mechanism; 6.1.1. a speed reducer; 6.1.2. a brake; 6.1.3. a linkage shaft; 6.1.4. an electric motor; 6.1.5. a reel; 6.1.6. a pulley block; 6.2. a trolley running mechanism; 6.3. a trolley frame; 7. a wheel set structure; 7.1. a front wheel set; 7.1.1. an angle deflection box; 7.1.2. an end beam frame; 7.2. a rear wheel set; 7.2.1. an end beam head; 7.2.2. a rotating shaft; 7.2.3. a wheel box; 8. a right-angle bracket; 9. a wheel; 10. a horizontal wheel set; 10.1. a horizontal guide wheel; 11. a drive motor reducer; 12. a bolt; 13. and a positioning pin.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "top", "bottom", "inner", "outer", and the like are used merely for indicating orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience in describing the present invention and for simplifying the description, but do not indicate or refer to a device or an element necessarily having a specific orientation, constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
The embodiment of the invention provides a novel arc-shaped track bridge crane, which comprises an inner end beam 1, an outer end beam 4, a wheel set structure 7, a main beam 2, a driving motor reducer 11, a hoisting trolley 6 and a walking platform 3, wherein the main beam 2 is provided with the hoisting trolley 6; the inner end beam and the outer end beam are both connected to the two ends of the main beam 2 through bolts 12; the inner end beam and the outer end beam are positioned on the same central line; the inner end beam 1 is provided with a wheel set structure; the driving motor reducer 11 is connected to the inner end beam and the outer end beam; the inner side of the walking board 3 is connected with the main beam 2. Specifically, the main beam 2 and the end beams of the bridge crane are both of metal structures, the main beam 2 and the end beams positioned at two sides of the span form a common single-main-beam bridge crane, the main beam 2 is rigidly connected with the end beams, the main beam 2 of the bridge crane is of a common normal-rail box type double-beam structure, specifically, the main beam 2 comprises an upper flange plate, a lower flange plate and vertical web plates at two sides, a steel rail of a hoisting trolley 6 is arranged on the central line of the upper flange plate, because the structure is simple, the manufacturing is convenient, and the bridge crane is suitable for batch production, meanwhile, the inner end beams and the outer end beams are fixed on the main beam 2 through a plurality of groups of high-strength bolts 12, two ends of at least two outer end beams 4 are fixed at two ends of the main beam 2 through a plurality of groups of high-strength bolts 12, one ends of at least four inner end beams 1 are fixed at one side of the, thus, a more stable main body can be formed, when the bridge crane carries out hoisting operation, the structural problem can not occur, the operation safety is improved, the central lines of the inner end beam and the outer end beam are flush and consistent with the track direction, the bridge crane can be ensured to move on the same arc track tangent line when moving along the track, the bridge crane operation problem can not occur due to overlarge offset, the inner end beam is divided into a front part and a rear part, the inner end beam is provided with a wheel set, particularly, wheels 9 in the wheel set structure are directly contacted with the guide track, the wheels 9 walk on the guide track under the driving of a driving motor, on the other hand, the wheels 9 also play a role of supporting the bridge crane, the driving motor reducers 11 are respectively arranged on the inner end beam and the outer end beam, in order to ensure that the arc bridge crane can stably run on the arc track, the angular velocity that needs to be in both ends end beam operation is the same, and the linear velocity is different, consequently set up driving motor reduction gear 11 respectively on inside, outside end beam, carry out independent control drive, the inboard of walking stage 3 is connected with girder 2 one side, the both ends of walking stage 3 link together with inside roof beam 1 respectively, can provide the position that maintainer stood on walking stage 3, also can set up the control room and control bridge crane, walk stage 3 and mainly enlarged bridge crane's space, can conveniently be to bridge crane's maintenance, maintain etc..
The bridge crane is mainly driven by electric power, a driver generally operates in a driver's cab, and the bridge crane is also remotely controlled, and the construction procedures of the bridge crane are as follows: erecting the mast, temporarily tying the guy rope of the mast to the lower chord of the roof truss close to the mast, immediately tying all the guy ropes to the top of the mast after the mast is hung to a determined position, and tightening the guy ropes on the ground, if the individual guy ropes are stressed and then lift or pull the swing rod of the roof truss, applying the temporary guy rope to pull the mast, adjusting the fixed guy rope to a proper position, and then loosening the temporary guy rope. And then the main beam and the hoisting trolley of the bridge crane are transported to a hoisting position for assembly, and after the cart group is completed, the hoisting trolley is arranged on the trolley track and firmly bound with the cart. After the completion, the bridge crane is lifted to dozens of centimeters away from the ground, no abnormal phenomenon occurs after ten minutes, then a test of shaking the bridge crane is carried out, the reliability of the winch, the mast, the cable wind rope, the ground anchor and the like is tested, and the bridge crane is lifted continuously after all the tests are normal. The bridge crane is lifted to two points and five meters away from the ground, a sleeper pile is built under the crane, the crane is placed on the sleeper pile, then an operation chamber is arranged on one side of the main beam, after the sleeper pile is arranged, the position of the trolley is adjusted, and the position is determined by calculation, so that the two sides of the mast lifting point are balanced. In addition, the most important heavy object can move along the upper, lower, left, right, front and rear directions and can move simultaneously in the three-dimensional direction, and the other five directions are provided with terminal protection, so that a reliable braking device is required, even if the heavy object does not fall down due to dead weight under the condition of power failure, a larger speed regulation range is required, the heavy object is gradually accelerated in the acceleration process, and meanwhile, short-time overload protection and the like are required to be arranged for preventing dangers possibly occurring during overload or overspeed.
When special plants or construction sites are limited by space or required by design, the track needs to be installed according to the arc shape, so that the common bridge crane cannot be used.
The embodiment of the invention provides another novel arc track bridge crane, wherein a wheel set comprises a front wheel set 7.1 and a rear wheel set 7.2; the front wheel set 7.1 and the rear wheel set 7.2 are connected to the inner end beam 1. Specifically, this arc track bridge crane has set up the wheelset of two kinds of differences at inner beam 1, adopt the box wheelset scheme of declination on the preceding wheelset 7.1, back wheelset 7.2 adopts perpendicular hinge axle wheelset scheme, still be provided with drive arrangement on the preceding wheelset 7.1 that uses the box wheelset of declination, drive arrangement passes through bolt 12 to be fixed on the 7.1.1.1 of declination, a right angle support 8 is still connected to 7.1.1 one end of declination case, right angle support 8 comprises through a plurality of bolts 12 by a plurality of single supports, can prevent that preceding wheelset 7.1 from colliding the place ahead object when bridge crane moves on the track. The front wheel set 7.1 is provided with a group of horizontal wheel sets 10, the rear wheel set 7.2 is provided with two groups of horizontal wheel sets 10 on two sides of the wheel box 7.2.3, the whole arc-shaped track bridge crane is driven by a driving motor to drive the front wheel set 7.1 to move, wheels 9 on the front wheel set 7.1 are driving wheels to drive the rear wheel set 7.2 to move, and wheels 9 on the rear wheel set 7.2 are driven wheels.
The embodiment of the invention provides another novel arc track bridge crane, wherein a front wheel set comprises a deflection angle box 7.1.1, wheels 9, a horizontal wheel set 10 and an end beam frame 7.1.2; one side of the end beam frame 7.1.2 is connected to the main beam 2; the deflection angle box 7.1.1 is connected to the end beam frame 7.1.2; the length of the deflection angle box 7.1.1 is less than that of the end beam frame 7.1.2; wheels 9 are arranged in the deflection angle box 7.1.1; the other side of the end beam frame 7.1.2 is connected with a horizontal wheel group 10. Specifically, the wheel 9 is fixed on the deflection angle box 7.1.1 through the bolt 12, the material of the wheel 9 generally adopts zg430-640 cast steel, in order to improve the wear resistance of the surface of the wheel 9 and prolong the service life, the tread is subjected to surface heat treatment, the surface hardness is required to be HB300-350, and the quenching depth is not less than twenty millimeters. As shown in fig. 4, the deflection angle box 7.1.1 on the front wheel set is made into a certain deflection angle hole in advance, so that the wheel sets of the deflection angle box are respectively designed to be tangent with the arc line of the inner guide rail, and the crane is ensured to run according to the arc track. The off-angle hole angle may be determined by the following equation:
wherein:
theta is the angle of the angle hole
B is a large wheel tread
RwIs an arc track radius of an inner end beam
The invention greatly reduces the cost of the crane by utilizing the good maintenance performance of the deflection angle box.
The embodiment of the invention provides another novel arc-shaped track bridge crane, wherein a rear wheel set 7.2 comprises an end beam head 7.2.1, a rotating shaft 7.2.2, a wheel box 7.2.3, a horizontal wheel set 10 and wheels 9; the end beam head 7.2.1 is connected with the wheel box 7.2.3 through a rotating shaft 7.2.2 in the vertical direction; the horizontal wheel set 10 is connected to the wheel box 7.2.3; the rotating shaft 7.2.2 is connected to the end beam head 7.2.1 through a bolt 12, and the wheel 9 is fixedly connected to the wheel box 7.2.3 through the bolt 12. Specifically, the connecting side of the end beam head 7.2.1 and the main beam 2 is wider, the narrower end of the end beam head 7.2.1 is connected with the rotating shaft 7.2.2 through the bolt 12, preferably, a sliding plate is further arranged between the bolt 12 and the end beam head 7.2.1, the bolt 12 is connected with the cover plate, the bolt 12 is not in direct contact with the end beam head 7.2.1, the rotating shaft 7.2.2 can be ensured not to rub against the end beam head 7.2.1 during rotation, the other end of the rotating shaft 7.2.2 penetrates through the end beam head 7.2.1, the wheel box 7.2.3 is connected with the rotating shaft 7.2.2, the wheel box 7.2.3 is connected with at least four horizontal wheel sets 10, the wheel 9 is connected with the wheel box 7.2.3 through the bolt 12, the end beam head 7.2.1 and the wheel box 7.2.3 are connected through the rotating shaft 7.2.2.2 in the vertical direction, and the end beam can rotate around a hinge shaft. The end beam wheel box 7.2.3 is provided with four horizontal wheel sets 10 at the front and the back, and the running of the wheel sets depends on the front and the back horizontal wheel sets 10 to be tightly attached to the edges of the two sides of the track to ensure the timely steering. The wheel is made of zg430-640 cast steel, in order to improve the wear resistance and service life of the wheel surface, the tread is subjected to surface heat treatment, the surface hardness is HB300-350, the quenching depth is not less than twenty millimeters, and the running direction of a crane is consistent with the track direction.
The embodiment of the invention provides another novel arc-shaped track bridge crane, wherein a channel capable of accommodating a rotating shaft to pass through is arranged on an end beam head 7.2.1. In the invention, the rotating shaft 7.2.2 rotates in the channel to drive the wheel box 7.2.3 to rotate and further drive the horizontal wheel group 10 and the wheels 9 on the wheel box 7.2.3 to rotate, so that the bridge crane can be more flexible by adjusting the rear wheel group 7.2 under the condition of keeping the front wheel group 7.1 stationary.
The embodiment of the invention provides another novel arc-shaped track bridge crane, wherein a certain deflection angle is formed between the central line of a front wheel set and an arc-shaped track. According to the invention, the wheels of the deflection angle box 7.1.1 are respectively designed to be tangent to the arc line of the inner guide rail, so that the crane can be ensured to run along the arc-shaped track.
The embodiment of the invention provides another novel arc-shaped track bridge crane, wherein a horizontal guide wheel 10.1 is arranged on a horizontal wheel set 10; the horizontal guide wheel 10.1 is connected to the horizontal wheel set 10 through a bolt 12. Specifically, the wheel edge of the horizontal guide wheel 10.1 is aligned with the rail, and a certain gap exists between the horizontal guide wheel 10.1 and the rail, so that the wheel rim of a taxi taking wheel can be protected by the guide wheel under the condition that the bridge crane runs at a medium speed and a high speed, the taxi taking is prevented from rushing out of the rail, the reliability, the safety and the stability of the crane are greatly improved, the cost of the arc bridge crane is greatly reduced by utilizing the good maintainability of a common corner box type wheel set, and meanwhile, the horizontal guide wheels are arranged on two sides of the rails at two ends of the crane and are arranged in pairs and are all arranged at the same end of a crane cart. A certain gap is left between the track and the horizontal wheel, and the gap can be adjusted, so that the installation error of the track can be adapted, the horizontal wheel and the side surface of the track are prevented from being extruded and even blocked, and the further aggravation of the inclined operation can be effectively prevented.
The embodiment of the invention provides another novel arc-shaped track bridge crane, wherein a deflection angle box 7.1.1 is connected with an end beam frame 7.1.2 through a positioning pin 13. Specifically, the wheel box 7.2.3 is provided with a plurality of positioning holes, in order to firmly fix the wheel box on the end beam frame, the positioning pins penetrate through the positioning holes, the wheel box is firmly fixed on the end beam frame, and meanwhile, the wheel box is connected through a plurality of high-strength bolts 12.
The embodiment of the invention provides another novel arc-shaped track bridge crane, wherein a lifting trolley comprises a lifting mechanism 6.1, a trolley running mechanism 6.2 and a trolley frame 6.3, the lifting mechanism 6.1 is connected to the trolley frame 6.3, and the trolley running mechanism 6.2 is arranged at the bottom of the trolley frame 6.3. The trolley frame is a frame for supporting and mounting components such as a lifting mechanism, small wheels and the like, is usually of a welded structure, the trolley running mechanism is trolley wheels, and the small wheels are in direct contact with guide rails on the main beam.
The embodiment of the invention provides another novel arc-shaped track bridge crane, wherein a hoisting mechanism 6.1 comprises a brake 6.1.2, a motor 6.1.4, a speed reducer 6.1.1, a linkage shaft 6.1.3, a winding drum 6.1.5 and a pulley block 6.1.6, the speed reducer 6.1.1 is connected with the brake 6.1.2 through the linkage shaft 6.1.3, the other side of the linkage shaft 6.1.3 is connected with the motor 6.1.4, the winding drum 6.1.5 is connected with the speed reducer 6.1.1, and the pulley block 6.1.6 is positioned below the winding drum 6.1.5. Specifically, the hoisting mechanism is driven by a motor, the motor drives the winding drum to rotate by controlling a speed reducer, so that the steel wire rope is wound on the winding drum or put down from the winding drum, the pulley block is connected by a plurality of pulleys through the steel wire rope, and the pulley block mainly comprises a fixed pulley and a movable pulley so as to lift a heavy object. Therefore, different linkage shaft structures can be configured for different lifting heights, and the lifting efficiency is improved.
As shown in fig. 9, the bridge crane belongs to a large machine, and is often not negligible in terms of safety protection, and therefore, a set of safety protection system is further provided on the bridge crane, and the safety protection system includes an identification module, a judgment module, a control module and a central processing unit, specifically, a set of identification module is arranged at each key part of the bridge crane, when a sensing device in the identification module senses that someone is in a dangerous position or a key part is loosened during operation of the bridge crane, the identification module sends an identified signal to the judgment module and also sends a signal to the central processing unit, the central processing unit turns on an alarm device to remind surrounding personnel and operating personnel to leave the periphery of the bridge crane in advance, and then the judgment module performs detailed analysis and calculation to determine whether the situation can affect the operation process or cause personnel safety situation, if the condition that appears can influence personnel's safety or can not continue the operation to operation in-process equipment damage, the judgement module can signals control module, control module can be automatic according to the signal that the judgement module sent, resend command signal to central processing unit, central processing unit can automatic cutout bridge crane's power, terminate all operations, if spare part goes wrong, also can send accurate fault location, let the maintainer overhaul that targets in place fast, the work efficiency is improved.
Although several embodiments and examples of the present invention have been described for those skilled in the art, these embodiments and examples are presented as examples and are not intended to limit the scope of the invention. These new embodiments can be implemented in other various ways, and various omissions, substitutions, and changes can be made without departing from the spirit of the invention. These embodiments and modifications thereof are included in the scope and gist of the invention, and are included in the invention described in the claims and the equivalent scope thereof.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. A novel arc track bridge crane is characterized by comprising an inner end beam, an outer end beam, a wheel set structure, a main beam, a driving motor reducer, a lifting trolley and a walking platform, wherein the main beam is provided with the lifting trolley; the inner end beam and the outer end beam are both connected to two ends of the main beam through bolts; the inner end beam and the outer end beam are positioned on the same central line; the inner end beam is provided with a wheel set structure; the driving motor reducer is connected to the inner end beam and the outer end beam; the inner side of the walking board is connected to the main beam.
2. The novel arc track bridge crane according to claim 1, wherein the wheel set structure comprises a front wheel set and a rear wheel set; the front wheel set and the rear wheel set are connected to the inner end beam.
3. The novel arc track bridge crane according to claim 2, wherein the front wheel set comprises an angle deviation box, wheels, a horizontal wheel set and an end beam frame; one side of the end beam frame is connected to the main beam; the deflection angle box is connected to the end beam frame; the length of the deflection angle box is smaller than that of the end beam frame; wheels are arranged in the deflection angle box; and the other side of the end beam frame is connected with a horizontal wheel set.
4. The novel arc track bridge crane according to claim 3, wherein the rear wheel set comprises an end beam head, a rotating shaft, a wheel box, a horizontal wheel set and wheels; the end beam head is connected with the wheel box through a rotating shaft in the vertical direction; the horizontal wheel set is connected to the wheel box; the rotating shaft is connected to the end beam head through a bolt; the wheels are fixedly connected to the wheel box through bolts.
5. The novel arc track bridge crane according to claim 4, wherein the end beam head is provided with a channel for receiving the rotating shaft to pass through.
6. The novel arc track bridge crane according to claim 5, wherein the front wheel set centerline forms a certain offset angle with the arc track.
7. The novel arc track bridge crane according to claim 6, wherein the horizontal wheel set is provided with horizontal guide wheels; the horizontal guide wheel is connected to the horizontal wheel set through a bolt.
8. The novel arc track bridge crane according to claim 7, wherein the deflection angle box is connected with the end beam frame through a positioning pin.
9. The novel arc track bridge crane according to claim 8, wherein the lifting trolley comprises a hoisting mechanism, trolley wheels and a trolley frame; the trolley frame is provided with a lifting mechanism; at least four small wheels are arranged at the bottom of the small vehicle frame.
10. The novel arc track bridge crane according to claim 9, wherein the hoisting mechanism comprises a brake, a motor, a speed reducer, a linkage shaft, a winding drum and a pulley block; the speed reducer is connected with the brake through a linkage shaft; the other side of the linkage shaft is connected with a motor; the winding drum is connected with the speed reducer; the pulley block is located below the winding drum.
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