CN109237212B - Gantry crane removes base - Google Patents
Gantry crane removes base Download PDFInfo
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- CN109237212B CN109237212B CN201811395776.2A CN201811395776A CN109237212B CN 109237212 B CN109237212 B CN 109237212B CN 201811395776 A CN201811395776 A CN 201811395776A CN 109237212 B CN109237212 B CN 109237212B
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- fixedly connected
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- gantry crane
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- 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
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M3/00—Portable or wheeled frames or beds, e.g. for emergency power-supply aggregates, compressor sets
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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
- B66C13/00—Other constructional features or details
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- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Jib Cranes (AREA)
Abstract
The invention discloses a gantry crane moving base which comprises a mounting plate, wherein a connecting plate is fixedly connected to the lower end of the mounting plate, the lower end of the connecting plate is fixedly connected with fixed blocks, connecting shafts are transversely arranged between the fixed blocks, a motor is arranged on the outer sides of the fixed blocks, the connecting shafts are in threaded connection with movable blocks, supporting seats are arranged at the lower ends of the movable blocks, connecting rods are arranged between the supporting blocks and the supporting seats, supporting legs are arranged at the lower ends of the fixed blocks, hydraulic lifting rods are arranged at the tops of inner cavities of the supporting legs, trapezoidal connecting blocks are arranged on the outer sides of driving ends of the hydraulic lifting rods, mounting blocks are arranged on the side walls of the inner cavities of the supporting legs. The movable base is arranged at the lower end of the existing crane, so that the crane can be conveniently moved on a construction site, the overall portability is improved, and meanwhile, the crane is matched with the fixed structure to realize stable support, so that construction accidents are prevented.
Description
Technical Field
The invention relates to the field of crane accessories, in particular to a movable base of a gantry crane.
Background
The crane refers to a multi-action crane for vertically lifting and horizontally carrying heavy objects within a certain range. Also known as crown blocks, navigation cranes and cranes. The crane mainly comprises a hoisting mechanism, a running mechanism, a luffing mechanism, a slewing mechanism, a metal structure and the like. The hoisting mechanism is the basic working mechanism of the crane, mostly consists of a hanging system and a winch, and also lifts heavy objects through a hydraulic system. The running mechanism is used for longitudinally and horizontally moving a heavy object or adjusting the working position of the crane and generally comprises a motor, a speed reducer, a brake and wheels. The amplitude variation mechanism is only arranged on the jib crane, the amplitude of the jib crane is reduced when the jib crane is lifted up, the amplitude of the jib crane is increased when the jib crane is lifted down, and the jib crane is divided into a balanced amplitude variation mode and a non-balanced amplitude variation mode. The slewing mechanism is used for enabling the arm support to slew and consists of a driving device and a slewing bearing device. The metal structure is the framework of the crane, and the main bearing parts such as a bridge frame, an arm support and a portal frame can be box-shaped structures or truss structures, can also be web structures, and can use section steel as a supporting beam.
The existing industrial crane comprises a bridge crane, and the gantry crane is a variant of the bridge crane and is called a gantry crane. Gantry cranes need to move and fix the position of the crane frequently during actual industrial construction operations, and most of the existing moving mechanisms are manually operated or pulled by tractors. Therefore, more and more gantry cranes often consider moving to open and stop the problem when designing, and all can be provided with corresponding removal base in the hoist bottom.
For example, chinese patent application No. CN201410284510.6 discloses a mobile convenient crane, which comprises: the crane comprises a crane body, a moving device and a fixing device, wherein the moving device comprises a moving base, a roller and a pull rod, the fixing device comprises a fixing ring, a fixing bolt and a rotating handle, the crane body and the fixing ring are arranged on the moving base, the roller is arranged at the bottom of the moving base, the pull rod is arranged at the two ends of the moving base, the fixing bolt is arranged in the fixing ring, and the rotating handle is arranged at the top of the fixing bolt. Through the mode, the movable convenient crane can achieve the purpose of carrying heavy objects, and can move, so that people can carry and use the crane conveniently.
But even if this current portable crane has added the base that removes, this current removal structure is too simple, hardly adapts to complicated construction scene, and this current portable crane fixed effect is poor simultaneously, can cause the collapse when large-scale goods jack-up, causes the construction accident, has influenced building site construction efficiency greatly.
Disclosure of Invention
The invention aims to provide a gantry crane moving base, which solves the problems that the existing moving structure is too simple and is difficult to adapt to a complex construction site, and the existing portable crane is poor in fixing effect and can collapse when large goods are lifted, so that construction accidents are caused, and the construction efficiency of a construction site is greatly influenced.
In order to achieve the purpose, the invention provides a gantry crane moving base which comprises a mounting plate, wherein the mounting plate is matched and connected with the bottom of a crane through a high-strength bolt, the lower end of the mounting plate is fixedly connected with a connecting plate, the lower end of the connecting plate is fixedly connected with a fixed block, a connecting shaft is transversely arranged between the fixed blocks, the outer side of each fixed block is provided with a motor, the connecting shaft is in threaded connection with a movable block, the upper end of each movable block is fixedly connected with a slide bar, the lower end of each movable block is provided with a supporting seat, a connecting rod is arranged between each movable block and the corresponding supporting seat, the two ends of each connecting rod are respectively in rotating connection with the corresponding movable block and the corresponding supporting seat through rotating shafts, the lower end of each fixed block, the upper end of the rotating rod is fixedly connected with a limiting rod, the lower end of the rotating rod is fixedly connected with a door cover, the door cover is in butt joint with the bottom of the inner cavity of the supporting leg, the bottom of the hydraulic lifting rod is fixedly connected with walking wheels, the walking wheels are of universal wheel structures, clamping blocks are arranged on two sides of the mounting plate, and the clamping blocks are in threaded connection with the outer side of the mounting plate through threaded rods.
Preferably, in the above scheme, the multiunit has all been seted up to the mounting panel both sides and has been accomodate the groove, it is provided with the spring to accomodate the inslot, the railing has been placed to accomodate the inslot, the railing includes head rod and second connecting rod, it is articulated to realize through the rotating pin between head rod and the second connecting rod, head rod one end is fixed and is provided with the stopper, stopper and spring contact cooperation, the stopper with accomodate the spacing cooperation of groove notch, second connecting rod front end activity is pegged graft and is had the telescopic link, the telescopic link front end is fixed and is provided with the pointed cone.
Preferably, in the above scheme, the lower end of the connecting plate is provided with a sliding groove, and the sliding rod is in sliding connection with the sliding groove.
Preferably, in the above scheme, the two sides of the connecting shaft are provided with oblique threads, the oblique threads on the two sides are opposite in direction, one end of the connecting shaft is provided with a bearing, one end of the connecting shaft is rotatably connected with the inner side of the fixing block through the bearing, and the other end of the connecting shaft is fixedly connected with the power output end of the motor.
Preferably, in the above scheme, the movable block is provided with a threaded hole, and the movable block is in threaded connection with the connecting shaft through the threaded hole.
Preferably, in the above scheme, the motor is a servo motor, a motor protection frame is arranged on the outer side of the motor, and the motor protection frame is fixedly connected with the outer side of the fixing block.
Preferably, in the above scheme, the surface of the outer side of the supporting leg is provided with a propaganda slogan frame.
Preferably, in the above scheme, the adjustable angle between the connecting rod and the horizontal plane is 30 ° to 60 °, when the angle between the connecting rod and the ground is 30 °, the height of the support seat is higher than that of the door cover, and when the angle between the connecting rod and the ground is 60 °, the height of the support seat is lower than that of the door cover.
Preferably, in the above scheme, the trapezoidal connecting block is in contact fit with the limiting rod.
Preferably, in the above scheme, the lower end of the mounting block is fixedly provided with a return spring, and the return spring is sleeved on the outer side of the rotating rod.
Compared with the prior art, the portal crane moving base has the following beneficial effects:
1. the lifting of the supporting seat is realized by driving the connecting shaft to be matched with the connecting structure in a rotating manner through the motor, the supporting and fixing of the crane are realized by utilizing the supporting seat, and meanwhile, the supporting legs are arranged to prevent the base of the crane from collapsing caused by the fracture of the connecting rod at the upper end of the supporting seat under the unexpected condition;
2. according to the invention, the universal traveling wheels are arranged in the supporting legs, so that the base can conveniently move the whole crane, the traveling wheels can be lifted and stored through the hydraulic lifting rods, and meanwhile, the bottom door covers of the supporting legs can be synchronously opened by matching with the connecting structures, so that the crane is portable and practical;
3. the invention is also provided with a plurality of groups of guardrails which can be stored or automatically popped out, thereby effectively preventing personnel from approaching the crane during construction and improving the safety of a construction site.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic perspective view of a gantry crane mobile base according to the present invention;
FIG. 2 is a front view of the gantry crane mobile base of the present invention;
FIG. 3 is a side view cross-sectional view of the movable block and connecting plate connection structure of FIG. 2 according to the present invention;
FIG. 4 is a schematic view of the connecting shaft shown in FIG. 2 according to the present invention;
FIG. 5 is a cross-sectional view of the support leg structure of FIG. 2 in accordance with the present invention;
FIG. 6 is a cross-sectional view of the mounting plate structure of FIG. 2 in accordance with the present invention;
FIG. 7 is a schematic view of the rail of FIG. 6 according to the present invention.
Description of reference numerals:
1-mounting plate, 101-accommodating groove, 102-spring, 2-high-strength bolt, 3-connecting plate, 301-sliding groove, 4-fixing block, 5-connecting shaft, 501-oblique thread, 502-bearing, 6-movable block, 601-threaded hole, 7-motor, 701-motor protective frame, 8-sliding rod, 9-rotating shaft, 10-connecting rod, 11-supporting seat, 12-supporting leg, 1201-propaganda slogan frame, 13-hydraulic lifting rod, 14-trapezoidal connecting block, 15-mounting block, 1501-return spring, 16-rotating rod, 17-limiting rod, 18-door cover, 19-traveling wheel, 20-railing, 2001-first connecting rod, 2002-second connecting rod, 2003-rotating pin, 2004-limited block, 2005-telescopic rod, 2006-pointed cone, 21-fixture block.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-7, example 1: a portal crane moving base comprises a mounting plate 1, the mounting plate 1 is connected with the bottom of a crane through a high-strength bolt in a matching way, the lower end of the mounting plate 1 is fixedly connected with a connecting plate 3, the lower end of the connecting plate 3 is fixedly connected with a fixed block 4, a connecting shaft 5 is transversely arranged between the fixed blocks 4, the outer side of each fixed block 4 is provided with a motor 7, the connecting shaft 5 is in threaded connection with a movable block 6, the upper end of each movable block 6 is fixedly connected with a slide bar 8, the lower end of each movable block 6 is provided with a supporting seat 11, a connecting rod 10 is arranged between each movable block 6 and the corresponding supporting seat 11, two ends of each connecting rod 10 are respectively in rotating connection with the corresponding movable block 6 and the corresponding supporting seat 11 through a rotating shaft 9, the lower end of each fixed block, the installation piece 15 is vertically pegged graft and is had bull stick 16, 16 upper ends fixedly connected with gag lever post 17 of bull stick, 16 lower extreme fixedly connected with door closure 18 of bull stick, and door closure 18 docks each other with supporting leg 12 inner chamber bottom, and 13 bottom fixedly connected with walking wheels 19 of hydraulic lifting rod, and walking wheels 19 are the universal wheel structure, and 1 both sides of mounting panel are provided with fixture block 21, and fixture block 21 passes through threaded rod and 1 outside threaded connection of mounting panel.
Example 2: a portal crane moving base comprises a mounting plate 1, the mounting plate 1 is connected with the bottom of a crane through a high-strength bolt in a matching way, the lower end of the mounting plate 1 is fixedly connected with a connecting plate 3, the lower end of the connecting plate 3 is fixedly connected with a fixed block 4, a connecting shaft 5 is transversely arranged between the fixed blocks 4, the outer side of each fixed block 4 is provided with a motor 7, the connecting shaft 5 is in threaded connection with a movable block 6, the upper end of each movable block 6 is fixedly connected with a slide bar 8, the lower end of each movable block 6 is provided with a supporting seat 11, a connecting rod 10 is arranged between each movable block 6 and the corresponding supporting seat 11, two ends of each connecting rod 10 are respectively in rotating connection with the corresponding movable block 6 and the corresponding supporting seat 11 through a rotating shaft 9, the lower end of each fixed block, the installation piece 15 is vertically pegged graft and is had bull stick 16, 16 upper ends fixedly connected with gag lever post 17 of bull stick, 16 lower extreme fixedly connected with door closure 18 of bull stick, and door closure 18 docks each other with supporting leg 12 inner chamber bottom, and 13 bottom fixedly connected with walking wheels 19 of hydraulic lifting rod, and walking wheels 19 are the universal wheel structure, and 1 both sides of mounting panel are provided with fixture block 21, and fixture block 21 passes through threaded rod and 1 outside threaded connection of mounting panel.
In the above scheme, multiple groups of accommodating grooves 101 are formed in two sides of the mounting plate 1, springs 102 are arranged on side walls of inner cavities of the accommodating grooves 101, the railings 20 are placed in the accommodating grooves 101, the railings 20 are convenient to accommodate the railings 20, and space is saved, each railing 20 comprises a first connecting rod 2001 and a second connecting rod 2002, the first connecting rod 2001 and the second connecting rod 2002 are hinged through a rotating pin 2003, rotation can be achieved through the rotating pin 2003 when the railings are pulled out, an angle between the first connecting rod 2001 and the second connecting rod 2002 is adjusted, a limiting block 2004 is fixedly arranged at one end of the first connecting rod 2001, the limiting block 2004 is in contact fit with the springs 102, the limiting block 2004 is in limiting fit with notches of the accommodating grooves 101, the railings 20 are prevented from being pulled out of the accommodating grooves 101 when the railings 20 are pulled, a telescopic rod 2005 is movably inserted at the front ends of the second connecting rods 2002, pointed cones 2006 are fixedly.
Example 3: a portal crane moving base comprises a mounting plate 1, the mounting plate 1 is connected with the bottom of a crane through a high-strength bolt in a matching way, the lower end of the mounting plate 1 is fixedly connected with a connecting plate 3, the lower end of the connecting plate 3 is fixedly connected with a fixed block 4, a connecting shaft 5 is transversely arranged between the fixed blocks 4, the outer side of each fixed block 4 is provided with a motor 7, the connecting shaft 5 is in threaded connection with a movable block 6, the upper end of each movable block 6 is fixedly connected with a slide bar 8, the lower end of each movable block 6 is provided with a supporting seat 11, a connecting rod 10 is arranged between each movable block 6 and the corresponding supporting seat 11, two ends of each connecting rod 10 are respectively in rotating connection with the corresponding movable block 6 and the corresponding supporting seat 11 through a rotating shaft 9, the lower end of each fixed block, the installation piece 15 is vertically pegged graft and is had bull stick 16, 16 upper ends fixedly connected with gag lever post 17 of bull stick, 16 lower extreme fixedly connected with door closure 18 of bull stick, and door closure 18 docks each other with supporting leg 12 inner chamber bottom, and 13 bottom fixedly connected with walking wheels 19 of hydraulic lifting rod, and walking wheels 19 are the universal wheel structure, and 1 both sides of mounting panel are provided with fixture block 21, and fixture block 21 passes through threaded rod and 1 outside threaded connection of mounting panel.
In the above scheme, the sliding groove 301 is arranged at the lower end of the connecting plate 3, the sliding rod 8 is in sliding connection with the sliding groove 301, and the sliding block 6 plays a limiting role in threaded rotation and drives the movable block 6 to move on the connecting shaft 5. Two sides of the connecting shaft 5 are provided with oblique threads 501, the oblique threads 501 on the two sides have opposite thread directions, so that the two groups of movable blocks 6 move in opposite directions, one end of the connecting shaft 5 is provided with a bearing 502, one end of the connecting shaft 5 is rotatably connected with the inner side of the fixed block 4 through the bearing 502, and the other end of the connecting shaft 5 is fixedly connected with the power output end of the motor 7. The movable block 6 is provided with a threaded hole 601, and the movable block 6 is in threaded connection with the connecting shaft 5 through the threaded hole 601.
Example 4: a portal crane moving base comprises a mounting plate 1, the mounting plate 1 is connected with the bottom of a crane through a high-strength bolt in a matching way, the lower end of the mounting plate 1 is fixedly connected with a connecting plate 3, the lower end of the connecting plate 3 is fixedly connected with a fixed block 4, a connecting shaft 5 is transversely arranged between the fixed blocks 4, the outer side of each fixed block 4 is provided with a motor 7, the connecting shaft 5 is in threaded connection with a movable block 6, the upper end of each movable block 6 is fixedly connected with a slide bar 8, the lower end of each movable block 6 is provided with a supporting seat 11, a connecting rod 10 is arranged between each movable block 6 and the corresponding supporting seat 11, two ends of each connecting rod 10 are respectively in rotating connection with the corresponding movable block 6 and the corresponding supporting seat 11 through a rotating shaft 9, the lower end of each fixed block, the installation piece 15 is vertically pegged graft and is had bull stick 16, 16 upper ends fixedly connected with gag lever post 17 of bull stick, 16 lower extreme fixedly connected with door closure 18 of bull stick, and door closure 18 docks each other with supporting leg 12 inner chamber bottom, and 13 bottom fixedly connected with walking wheels 19 of hydraulic lifting rod, and walking wheels 19 are the universal wheel structure, and 1 both sides of mounting panel are provided with fixture block 21, and fixture block 21 passes through threaded rod and 1 outside threaded connection of mounting panel.
In the above scheme, motor 7 is servo motor, can adjust suitable rotational speed according to actual demand, and the motor 7 outside is provided with motor protection frame 701, prevents to receive the destruction of external factor at construction place motor 7, motor protection frame 701 and fixed block 4 outside fixed connection. The outer side surface of the supporting leg 12 is provided with a propaganda slogan frame 1201.
Example 5: a portal crane moving base comprises a mounting plate 1, the mounting plate 1 is connected with the bottom of a crane through a high-strength bolt in a matching way, the lower end of the mounting plate 1 is fixedly connected with a connecting plate 3, the lower end of the connecting plate 3 is fixedly connected with a fixed block 4, a connecting shaft 5 is transversely arranged between the fixed blocks 4, the outer side of each fixed block 4 is provided with a motor 7, the connecting shaft 5 is in threaded connection with a movable block 6, the upper end of each movable block 6 is fixedly connected with a slide bar 8, the lower end of each movable block 6 is provided with a supporting seat 11, a connecting rod 10 is arranged between each movable block 6 and the corresponding supporting seat 11, two ends of each connecting rod 10 are respectively in rotating connection with the corresponding movable block 6 and the corresponding supporting seat 11 through a rotating shaft 9, the lower end of each fixed block, the installation piece 15 is vertically pegged graft and is had bull stick 16, 16 upper ends fixedly connected with gag lever post 17 of bull stick, 16 lower extreme fixedly connected with door closure 18 of bull stick, and door closure 18 docks each other with supporting leg 12 inner chamber bottom, and 13 bottom fixedly connected with walking wheels 19 of hydraulic lifting rod, and walking wheels 19 are the universal wheel structure, and 1 both sides of mounting panel are provided with fixture block 21, and fixture block 21 passes through threaded rod and 1 outside threaded connection of mounting panel.
In the above scheme, the adjustable angle between the connecting rod 10 and the horizontal plane is 30 degrees to 60 degrees, when the angle between the connecting rod 10 and the ground is 30 degrees, the height of the supporting seat 11 is higher than that of the door cover 18, and when the angle between the connecting rod 10 and the ground is 60 degrees, the height of the supporting seat 11 is lower than that of the door cover 18.
Example 6: a portal crane moving base comprises a mounting plate 1, the mounting plate 1 is connected with the bottom of a crane through a high-strength bolt in a matching way, the lower end of the mounting plate 1 is fixedly connected with a connecting plate 3, the lower end of the connecting plate 3 is fixedly connected with a fixed block 4, a connecting shaft 5 is transversely arranged between the fixed blocks 4, the outer side of each fixed block 4 is provided with a motor 7, the connecting shaft 5 is in threaded connection with a movable block 6, the upper end of each movable block 6 is fixedly connected with a slide bar 8, the lower end of each movable block 6 is provided with a supporting seat 11, a connecting rod 10 is arranged between each movable block 6 and the corresponding supporting seat 11, two ends of each connecting rod 10 are respectively in rotating connection with the corresponding movable block 6 and the corresponding supporting seat 11 through a rotating shaft 9, the lower end of each fixed block, the installation piece 15 is vertically pegged graft and is had bull stick 16, 16 upper ends fixedly connected with gag lever post 17 of bull stick, 16 lower extreme fixedly connected with door closure 18 of bull stick, and door closure 18 docks each other with supporting leg 12 inner chamber bottom, and 13 bottom fixedly connected with walking wheels 19 of hydraulic lifting rod, and walking wheels 19 are the universal wheel structure, and 1 both sides of mounting panel are provided with fixture block 21, and fixture block 21 passes through threaded rod and 1 outside threaded connection of mounting panel.
In the above-mentioned scheme, trapezoidal connecting block 14 and gag lever post 17 cooperation of contacting each other, when trapezoidal hypotenuse of trapezoidal connecting block 14 glides to half height from the bottom, trapezoidal connecting block 14 can drive gag lever post 17 and drive bull stick 16 and rotate, bull stick 16 drives bottom door closure 18 and realizes opening 90 degrees to door closure 18, and 19 bottoms of walking wheels this moment are in same level with door closure 18, when continuing gliding trapezoidal connecting block 14, door closure 18 can be more angled open, and walking wheels 19 also can just pop out contact ground this moment and realize supporting the removal. The lower end of the mounting block 15 is fixedly provided with a return spring 1501, the return spring 1501 is sleeved outside the rotating rod 16, and after the rotating rod 16 is rotated, the return spring 1501 can drive the rotating rod 16 to rotate back to the original position through elastic restoring force under the condition that the external contact limit is not available, that is, in the case, the door cover 18 can be closed.
The invention realizes the fixed connection with the base of the door type crane by matching the mounting plate 1 with the high-strength bolt 2, and finishes the assembly of the base. When needs support, drive connecting axle 5 through the exclusive switch starter motor 7 of motor 7 and rotate, because the spacing sliding fit of slide bar 8 and spout 301 is passed through to movable block 6 upper end, realize that connecting axle 5 rotates and drives two sets of movable blocks 6 and move in opposite directions, and movable block 6 is through the connecting rod 10 and the supporting seat 11 that articulated each other set up be connected the cooperation, finally realize the support to the hoist. When needs move the hoist, utilize hydraulic lifting rod 13 drive walking wheel 19 to descend, the hypotenuse contact gag lever post 17 of the trapezoidal connecting block 14 in the hydraulic lifting rod 17 outside when descending, the two mutually contact cooperation, thereby utilize gag lever post 17 to rotate the door closure 18 that the bull stick 16 drove the bottom and rotate, finally open door closure 18, walking wheel 19 stretches out contact ground from supporting leg 12, rethread motor 7 reverses, the realization is to the rising of supporting seat 11, until walking wheel 19 contacts ground completely, utilize walking wheel 19 to move the hoist. In addition, propaganda slogan or warning pattern can be pasted to the propaganda slogan frame 1201 that supporting leg 12 outside set up, be convenient for maintain job site safety, and simultaneously, when the construction, the notch of accomodating groove 101 is opened to rotation fixture block 21, railing 20 can pop out under spring 102's effect this moment, the direction of railing 20 is buckled through rotating pin 2003, pull telescopic link 2005 again, the pointed cone 2006 who utilizes the telescopic link 2005 front end inserts the ground plane, the realization is to railing 20's installation, crane base and external distance can effectively be ensured to the guardrail that multiunit railing 20 formed, the security of construction building has been guaranteed.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. It is not intended to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the invention and its practical application to enable one skilled in the art to make and use various exemplary embodiments of the invention and various alternatives and modifications as are suited to the particular use contemplated. It is intended that the scope of the invention be defined by the claims and their equivalents.
Claims (10)
1. The utility model provides a gantry crane removes base, includes mounting panel (1), its characterized in that: the mounting plate (1) is connected with the bottom of a crane through a high-strength bolt in a matching way, the lower end of the mounting plate (1) is fixedly connected with a connecting plate (3), the lower end of the connecting plate (3) is fixedly connected with a fixed block (4), a connecting shaft (5) is transversely arranged between the fixed blocks (4), a motor (7) is arranged on the outer side of each fixed block (4), a movable block (6) is connected with the connecting shaft (5) in a threaded way, a sliding rod (8) is fixedly connected with the upper end of each movable block (6), a supporting seat (11) is arranged at the lower end of each movable block (6), a connecting rod (10) is arranged between each movable block (6) and the corresponding supporting seat (11), the two ends of each connecting rod (10) are respectively connected with the corresponding movable block (6) and the corresponding supporting seat (11) in a rotating way through a rotating shaft (9, hydraulic lifting rod (13) drive end outside is provided with trapezoidal connecting block (14), supporting leg (12) inner chamber lateral wall is provided with installation piece (15), installation piece (15) vertically peg graft and have bull stick (16), bull stick (16) upper end fixedly connected with gag lever post (17), bull stick (16) lower extreme fixedly connected with door closure (18), butt joint each other bottom door closure (18) and supporting leg (12) inner chamber, hydraulic lifting rod (13) bottom fixedly connected with walking wheel (19), walking wheel (19) are the universal wheel structure, mounting panel (1) both sides are provided with fixture block (21), and fixture block (21) pass through threaded rod and mounting panel (1) outside threaded connection.
2. The gantry crane moving base according to claim 1, wherein: the mounting plate is characterized in that multiple groups of accommodating grooves (101) are formed in two sides of the mounting plate (1), springs (102) are arranged on the side walls of inner cavities of the accommodating grooves (101), railings (20) are placed in the accommodating grooves (101), each railing (20) comprises a first connecting rod (2001) and a second connecting rod (2002), the first connecting rods (2001) and the second connecting rods (2002) are hinged through a rotating pin (2003), one end of each first connecting rod (2001) is fixedly provided with a limiting block (2004), the limiting blocks (2004) are in contact fit with the springs (102), the limiting blocks (2004) are in limiting fit with notches of the accommodating grooves (101), telescopic rods (2005) are movably inserted into the front ends of the second connecting rods (2002), and sharp cones (2006) are fixedly arranged at the front ends of the telescopic rods (2005).
3. The gantry crane moving base according to claim 1, wherein: the lower end of the connecting plate (3) is provided with a sliding groove (301), and the sliding rod (8) is in sliding connection with the sliding groove (301).
4. The gantry crane moving base according to claim 1, wherein: connecting axle (5) both sides are provided with oblique screw thread (501), both sides oblique screw thread (501) screw thread opposite direction, connecting axle (5) one end is provided with bearing (502), and connecting axle (5) one end is passed through bearing (502) and is connected with fixed block (4) inboard rotation, connecting axle (5) other end and motor (7) power take off end fixed connection.
5. The gantry crane moving base according to claim 1, wherein: the movable block (6) is provided with a threaded hole (601), and the movable block (6) is in threaded connection with the connecting shaft (5) through the threaded hole (601).
6. The gantry crane moving base according to claim 1, wherein: the motor (7) is a servo motor, a motor protection frame (701) is arranged on the outer side of the motor (7), and the motor protection frame (701) is fixedly connected with the outer side of the fixing block (4).
7. The gantry crane moving base according to claim 1, wherein: the outer side surface of the supporting leg (12) is provided with a propaganda slogan frame (1201).
8. The gantry crane moving base according to claim 1, wherein: the adjustable angle between the connecting rod (10) and the horizontal plane is 30-60 degrees, when the angle between the connecting rod (10) and the ground is 30 degrees, the height of the supporting seat (11) is higher than that of the door cover (18), and when the angle between the connecting rod (10) and the ground is 60 degrees, the height of the supporting seat (11) is lower than that of the door cover (18).
9. The gantry crane moving base according to claim 1, wherein: the trapezoidal connecting block (14) is in mutual contact fit with the limiting rod (17).
10. The gantry crane moving base according to claim 1, wherein: the lower end of the mounting block (15) is fixedly provided with a return spring (1501), and the return spring (1501) is sleeved on the outer side of the rotating rod (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811395776.2A CN109237212B (en) | 2018-11-22 | 2018-11-22 | Gantry crane removes base |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811395776.2A CN109237212B (en) | 2018-11-22 | 2018-11-22 | Gantry crane removes base |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109237212A CN109237212A (en) | 2019-01-18 |
| CN109237212B true CN109237212B (en) | 2020-06-16 |
Family
ID=65076304
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| Application Number | Title | Priority Date | Filing Date |
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| CN111530523B (en) * | 2020-06-25 | 2021-11-23 | 萧县华恒静电科技有限公司 | Laboratory bench base for college physics experiments |
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| KR20170016232A (en) * | 2015-08-03 | 2017-02-13 | 서현기공(주) | Apparatus for fixing caster of palette |
| CN105668259A (en) * | 2016-03-17 | 2016-06-15 | 张健 | Portable instrument lifting vehicle |
| CN207563959U (en) * | 2017-11-14 | 2018-07-03 | 济宁市技师学院 | A kind of crane swing arm group mounted welder |
| CN108017009B (en) * | 2017-12-29 | 2024-04-19 | 山西千丰电器设备有限公司 | High-voltage frequency converter convenient to remove |
| CN207830846U (en) * | 2018-01-15 | 2018-09-07 | 吴江市金纪纺织有限公司 | A kind of weaving support base |
| CN108487620A (en) * | 2018-05-25 | 2018-09-04 | 中建七局(上海)有限公司 | A kind of operation platform for constructing on the outside of guardrail |
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