CN110255392B - Method and device for installing gantry crane on transportation equipment - Google Patents
Method and device for installing gantry crane on transportation equipment Download PDFInfo
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- CN110255392B CN110255392B CN201910475784.6A CN201910475784A CN110255392B CN 110255392 B CN110255392 B CN 110255392B CN 201910475784 A CN201910475784 A CN 201910475784A CN 110255392 B CN110255392 B CN 110255392B
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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
- B66C19/00—Cranes comprising trolleys or crabs running on fixed or movable bridges or gantries
- B66C19/02—Cranes comprising trolleys or crabs running on fixed or movable bridges or gantries collapsible
Abstract
The invention discloses a method and a device for installing a gantry crane on transportation equipment, and relates to the technical field of bridge construction. Wherein, the method comprises the following steps: a plurality of first installation seats and a plurality of second installation seats are fixedly arranged on a deck of the transportation equipment; installing a walking rail through the plurality of first installation seats, and then installing a walking cart on the walking rail; the rigid leg and the flexible leg are hoisted and vertically installed on the traveling cart, and then the cable rope hung on the rigid leg and the flexible leg is connected with the second installation base so as to fasten the rigid leg and the flexible leg; the main beam is hoisted to connect one end of the main beam to the rigid leg and the other end of the main beam to the flexible leg. Through the steps, the complete machine installation of the gantry crane on the transportation equipment can be realized, the gantry crane can be transported in a complete machine mode, and the problems that the existing gantry crane part transportation method occupies a large amount of field resources, is long in installation period, high in comprehensive cost, not easy to guarantee quality and the like are solved.
Description
Technical Field
The invention relates to the technical field of bridge construction, in particular to a method and a device for installing a gantry crane on transportation equipment.
Background
A highway-railway dual-purpose bridge for a quan and a strait is the first highway-railway dual-purpose bridge across straits in China. The strait bridge is different from a previously constructed bay bridge, the construction of the strait bridge is under severe conditions of high wind, wave height, surge, strong typhoon, complex geology and the like, particularly, a pond strait is one of three famous storm sea areas in the world, and huge challenges and ultrahigh risks are brought to the bridge construction. The bridge is the first attempt in the field of cross-channel fjord bridges in China, and the environmental severity, technical challenges and construction risks are far beyond other cross-channel bay bridges built in China or in China. A highway-railway highway bridge with a plunge pool and a strait is a highway-railway highway bridge constructed in a complex storm surge environment for the first time in the world, and the safety operation of the highway bridge under the environment of ten grades of strong winds (land eight-grade wind operation) of an offshore bridge deck can be met after the highway-railway highway bridge is constructed.
In bridge construction, a gantry crane (or called a "gantry crane") is a common large-scale mechanical device. As the gantry crane has the characteristics of super-large, overweight and super-high, the parts are generally transported in a spare part transportation mode and then assembled on a construction site.
In the process of implementing the invention, the inventor finds that the existing gantry crane transportation method has many defects, such as more occupied field resources, long installation period, high comprehensive cost, difficult quality guarantee and the like.
Therefore, in view of the above disadvantages, the inventor of the present invention has conceived that a solution of gantry crane complete machine transportation can be adopted. In the scheme of complete machine transportation of the gantry crane, how to install the gantry crane on the transportation equipment is an urgent problem to be solved.
Disclosure of Invention
Technical problem to be solved
The invention aims to solve the technical problems of more occupied field resources, long installation period, high comprehensive cost, difficult quality guarantee and the like in the conventional method for transporting the parts of the gantry crane.
(II) technical scheme
In order to solve the technical problem, in one aspect, the invention provides a method for installing a gantry crane on transportation equipment.
The invention provides a method for installing a gantry crane on transportation equipment, and the gantry crane comprises the following steps: a walking cart, rigid legs, flexible legs, and a main beam, the method comprising: a plurality of first installation seats and a plurality of second installation seats are fixedly arranged on a deck of the transportation equipment; installing a walking rail through the plurality of first installation seats, and then installing a walking cart on the walking rail; hoisting and vertically installing a rigid leg and a flexible leg on the walking cart, and then connecting a cable rope hung on the rigid leg and the flexible leg with a second installation base to fasten the rigid leg and the flexible leg; and hoisting a main beam to connect one end of the main beam with the rigid leg and connect the other end of the main beam with the flexible leg.
Optionally, the number of the first mounting seats is four, and the number of the second mounting seats is eight; the step of fixedly arranging a plurality of first mounting seats and a plurality of second mounting seats on a deck of the transportation equipment comprises the following steps of; welding four first installation seats and eight second installation seats on a transport equipment deck; wherein the four first mounts are located on four top corners of the same rectangle, and two of the four first mounts are located on a rigid leg mount line and the other two of the four first mounts are located on a flexible leg mount line.
Optionally, the first mount includes: a plurality of bottom distribution beams and a plurality of top distribution beams; the bottom distribution beam is welded on a deck of the transportation equipment, and stiffening plates are arranged on two sides of the bottom distribution beam and used for enhancing the transverse stability of the bottom distribution beam; the top distribution beam is arranged above the bottom distribution beam and is vertically connected with the bottom distribution beam; the step of mounting the running rails by the plurality of first mounting brackets comprises: and welding the walking track above the top layer distribution beam, and transversely fastening the walking track by arranging clamping plates on two sides of the walking track.
Optionally, the step of mounting the cart on the running rails comprises: and placing the walking cart on the walking track, adjusting the top surface of the walking cart to the same horizontal plane through a level gauge, and fastening the walking cart on the walking track.
Optionally, the step of securing the cart to the running rails comprises: tightly grabbing the walking cart on a walking track by using a steel wedge, and locking a rail clamping device; and transverse support rods are fixedly arranged on two sides of the walking cart so as to transversely fasten the walking cart.
Optionally, after the step of connecting the hawser suspended from the rigid leg and the flexible leg to the second mount, the method further comprises: and adjusting the verticality of the rigid leg and the flexible leg through a theodolite.
In order to solve the technical problem, on the other hand, the invention also provides a device for installing the gantry crane on the transportation equipment.
The invention provides a device for mounting a gantry crane on transportation equipment, and the gantry crane comprises a walking cart, rigid legs, flexible legs and a main beam, wherein the device comprises: the device comprises a plurality of first mounting seats, a plurality of second mounting seats, lifting equipment, a guy rope, a level gauge and fastening equipment; the first installation seats are fixedly arranged on a deck of the transportation equipment and used for installing the walking rails; the walking track is used for mounting a walking cart; the second installation seats are fixedly arranged on a deck of the transportation equipment and used for installing the cable wind ropes; the hoisting equipment is used for hoisting the rigid legs and the flexible legs and vertically installing the rigid legs and the flexible legs on the walking cart; the cable wind rope is hung on the rigid leg and the flexible leg and is used for being connected with the second mounting seat so as to fasten the rigid leg and the flexible leg; the lifting equipment is also used for lifting a main beam to connect one end of the main beam with the rigid leg and connect the other end of the main beam with the flexible leg; the leveling instrument is used for adjusting the top surfaces of the walking carts to the same horizontal plane after the walking carts are placed on the walking tracks; and the fastening equipment is used for fastening the walking cart on the walking track after the top surfaces of the walking cart are adjusted to the same horizontal plane.
Optionally, the number of the first mounting seats is four, and the number of the second mounting seats is eight; the four first mounting seats and the eight second mounting seats are welded on a transport equipment deck; wherein the four first mounting seats are located on four top corners of the same rectangle, and two of the four first mounting seats are located on a rigid leg mounting line, and the other two of the four first mounting seats are located on a flexible leg mounting line; the first mount includes: a plurality of bottom distribution beams and a plurality of top distribution beams; the bottom distribution beam is welded on a deck of the transportation equipment, and stiffening plates are arranged on two sides of the bottom distribution beam and used for enhancing the transverse stability of the bottom distribution beam; the top distribution beam is arranged above the bottom distribution beam and is vertically connected with the bottom distribution beam; the walking rails are welded above the top layer distribution beams, and clamping plates are arranged on two sides of each walking rail to transversely fasten the walking rails.
Optionally, the fastening device comprises a steel wedge and a transverse support bar; wherein two ends of the transverse supporting rod are respectively connected with the deck and the walking cart; mounting pieces are respectively abutted to two sides of one end, connected with a deck, of the transverse supporting rod, each mounting piece comprises an inserting rod and a wedge block, the inserting rods are embedded into the deck, the wedge blocks are embedded into the transverse supporting rods, the inserting rods are fixedly connected with the wedge blocks, and the inserting directions of the inserting rods and the wedge blocks are different; the fixing parts are respectively abutted to two sides of one end, connected with the walking cart, of the transverse supporting rod and comprise inserting blocks and positioning blocks, the inserting blocks are embedded into the transverse supporting rod, the positioning blocks are inserted into the walking cart, the inserting blocks are fixedly connected with the positioning blocks, and the inserting directions of the inserting blocks and the positioning blocks are different.
Optionally, a positioning table is fixedly connected to the deck, a slot is formed in the positioning table, and the inserted link is embedded into the slot; a prying groove is formed in the plane of one end of the inserting rod extending out of the inserting groove; the walking cart is fixedly connected with a limiting table, the positioning block is inserted into the limiting table, a positioning plate is inserted into the limiting table and penetrates through the limiting table and the positioning block, the top end of the positioning plate is fixedly connected with a striking plate, the area of the horizontal plane of the striking plate is larger than that of the positioning plate, a reinforcing rib is fixedly connected between the striking plate and the positioning plate, and the width of the reinforcing rib is smaller than that of the positioning plate and the striking plate; one end of the limiting table, which is close to the positioning plate, is fixedly connected with a prying table, and the length of the prying table is greater than that of the knocking plate.
(III) advantageous effects
The technical scheme of the invention has the following advantages: the steps of fixedly arranging a plurality of first installation seats and a plurality of second installation seats on a deck of transportation equipment, installing a walking rail through the first installation seats, installing a walking cart on the walking rail, hoisting a rigid leg and a flexible leg and vertically installing the rigid leg and the flexible leg on the walking cart, connecting a cable rope hung on the rigid leg and the flexible leg with the second installation seats to fasten the rigid leg and the flexible leg, hoisting a main beam to connect one end of the main beam with the rigid leg and connect the other end of the main beam with the flexible leg can realize the complete machine installation of a gantry crane on the transportation equipment, further carry out the complete machine transportation of the gantry crane, and solve the problems of more occupied field resources, long installation period, high comprehensive cost, difficult quality guarantee and the like of the existing gantry crane bulk part transportation method.
Drawings
Fig. 1 is a schematic step diagram of a method for installing a gantry crane on a transportation device according to a first embodiment of the invention;
fig. 2 is a schematic step diagram of a method for installing a gantry crane on a transportation device in a second embodiment of the invention;
FIG. 3 is a schematic diagram of a device for mounting a gantry crane on a transportation apparatus according to a third embodiment of the present invention;
fig. 4 is a schematic distribution diagram of the first and second mounting seats on the deck in the third embodiment of the present invention;
fig. 5 is a schematic structural diagram of a first mounting seat in a third embodiment of the invention; .
FIG. 6 is a schematic view showing the installation of a cart according to a third embodiment of the present invention;
FIG. 7 is a schematic plan view of a third embodiment of the present invention;
fig. 8 is a schematic elevation view of a guy rope in a third embodiment of the present invention;
fig. 9 is a schematic view of a gantry crane according to a third embodiment of the present invention after installation;
FIG. 10 is a schematic view of the connection structure of the transverse support rods according to the fourth embodiment of the present invention;
FIG. 11 is a schematic view of the connection of the transverse support bar to the cart according to the fourth embodiment of the present invention;
fig. 12 is an enlarged view of a in fig. 11.
In the figure: 1: a first mounting seat; 2: a second mounting seat; 3: hoisting equipment; 4: a guy rope; 5: a running track; 6: a deck; 7: running a cart; 8: a transverse support bar; 9: a rigid leg; 10: a flexible leg; 101: a bottom distribution beam; 102: a top distribution beam; 103: a stiffening plate; 104: clamping a plate; 20: a positioning table; 30: a mounting member; 40: a fixing member; 50: a limiting table; 60: positioning a plate; 201: a slot; 301: inserting a rod; 302: a wedge block; 303: prying a groove; 401: inserting a block; 402: positioning blocks; 403: prying the opening; 501: a prying table; 601: knocking the plate; 602: and (5) reinforcing ribs.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. 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.
Example one
The gantry crane related to the embodiment of the invention comprises: the walking cart comprises a walking cart, rigid legs, flexible legs and a main beam. As shown in fig. 1, a method for installing a gantry crane on a transportation device according to an embodiment of the present invention includes:
and S101, fixedly arranging a plurality of first installation seats and a plurality of second installation seats on a deck of the transportation equipment.
Wherein the transport device may be a transport vessel. In specific implementation, before step S101, the method according to the embodiment of the present invention may further include the following steps: anchoring the transport ship in a port, and cleaning a deck to make room for installing the gantry crane.
In an alternative embodiment of step S101, four first mounting seats and eight second mounting seats may be welded on the transportation equipment deck. As shown in fig. 4, the four first mounting seats are located on four top corners of the same rectangle, and two of the four first mounting seats are located on the rigid leg mounting line, and the other two of the four first mounting seats are located on the flexible leg mounting line; the eight second mounts may comprise second mounts a-h, wherein second mounts a, b, c, d may be located near the rigid leg mount line and the flexible leg mount line, and second mounts e, f, g, h may be located near the edge of the deck.
And S102, installing a walking rail through the plurality of first installation seats, and then installing the walking cart on the walking rail.
And S103, hoisting and vertically installing the rigid leg and the flexible leg on the walking cart, and then connecting the cable wind rope hung on the rigid leg and the flexible leg with a second installation base to fasten the rigid leg and the flexible leg.
In this step, rigid legs and flexible legs can be hoisted using a floating crane or other hoisting equipment and mounted upright on the travelling cart. When the rigid leg is erected, the cable rope penetrating through the lifting lug on the rigid leg can be connected with the corresponding second mounting seat so as to fasten the rigid leg; when the flexible leg is erected, the cable rope penetrating through the lifting lug on the flexible leg can be connected with the corresponding second mounting seat so as to fasten the flexible leg.
And S104, hoisting a main beam to connect one end of the main beam with the rigid leg and connect the other end of the main beam with the flexible leg.
In step S104, the main beam may be lifted by a floating crane or other lifting device to connect one end of the main beam to the rigid legs and the other end of the main beam to the flexible legs. In specific implementation, the gantry crane may further include a lifting tool, and further, the method according to the embodiment of the present invention may further include: after step S104, the spreader is mounted to the main beam. After the complete machine installation of the gantry crane is realized through the steps, the gantry crane can be transported to a destination.
In the embodiment of the invention, the complete machine installation of the gantry crane on the transportation equipment can be realized through the steps, so that the complete machine transportation of the gantry crane can be realized, and the problems of more occupied field resources, long installation period, high comprehensive cost, difficulty in quality guarantee and the like in the conventional method for transporting the parts of the gantry crane are solved.
Example two
As shown in fig. 2, a method for installing a gantry crane on a transportation device according to an embodiment of the present invention includes:
step S201, welding a plurality of first installation seats and a plurality of second installation seats on a deck of the transportation equipment.
Wherein the transport device may be a transport vessel. In specific implementation, before step S201, the method according to the embodiment of the present invention may further include the following steps: anchoring the transport ship in a port, and cleaning a deck to make room for installing the gantry crane.
In an alternative embodiment of step S201, four first mounting seats and eight second mounting seats may be welded on the transportation equipment deck. As shown in fig. 4, the four first mounting seats are located on four top corners of the same rectangle, and two of the four first mounting seats are located on the rigid leg mounting line, and the other two of the four first mounting seats are located on the flexible leg mounting line; the eight second mounts may comprise second mounts a-h, wherein second mounts a, b, c, d may be located near the rigid leg mount line and the flexible leg mount line, and second mounts e, f, g, h may be located near the edge of the deck.
And S202, installing the running rails through the plurality of first installation seats.
Wherein the running rails can be steel rails. For example, when the number of the first mounting seats is four, one rail may be mounted on each first mounting seat. In specific implementation, when four steel rails are installed, it is preferable to ensure that the height difference of the four steel rails is controlled within a certain numerical range (for example, within 2 mm), so as to avoid the gantry crane from inclining after the whole machine is installed.
In an alternative embodiment, the first mount may include: a plurality of bottom distribution beams and a plurality of top distribution beams. The bottom distribution beam is welded on a deck of the transportation equipment, and stiffening plates are arranged on two sides of the bottom distribution beam and used for enhancing the transverse stability of the bottom distribution beam; the top distribution beam is arranged above the bottom distribution beam and is vertically connected with the bottom distribution beam. In this alternative embodiment, the step of mounting the running rails by the plurality of first mounting brackets comprises: and welding the walking track above the top layer distribution beam, and transversely fastening the walking track by arranging clamping plates on two sides of the walking track. In the embodiment of the invention, the stiffening plate is arranged in the first installation base, so that the connection between the first installation base and the deck is more stable; through set up the cardboard in first mount pad, can make first mount pad and walk to be connected more firm between the track.
In one specific example, the first mount includes: two bottom distribution beams and four top distribution beams. The two bottom layer distribution beams are welded on the deck and are oppositely arranged in parallel. And stiffening plates are further arranged on two sides of each bottom layer distribution beam and used for enhancing the transverse stability of the bottom layer distribution beams. The four top-layer distribution beams are welded above the bottom-layer distribution beams and are vertically connected with the two bottom-layer distribution beams, and the length of each top-layer distribution beam is larger than or equal to the distance between the two bottom-layer distribution beams.
Step S203, placing the walking cart on the walking track, adjusting the top surface of the walking cart to the same horizontal plane through a level gauge, and then fastening the walking cart on the walking track.
In an alternative embodiment, the step of securing the travelling carriage to the travelling rail may comprise: tightly grabbing the walking cart on a walking track by using a steel wedge, and locking a rail clamping device; and transverse support rods are fixedly arranged on two sides of the walking cart so as to transversely fasten the walking cart. Wherein, the transverse supporting rod can adopt section steel. In specific implementation, one end of the section steel can be welded on the deck, and the other end of the section steel can be welded on the travelling cart so as to transversely fix the travelling cart and prevent the travelling cart from inclining.
And S204, hoisting and vertically installing the rigid leg and the flexible leg on the walking cart, and then connecting the cable wind rope hung on the rigid leg and the flexible leg with a second installation seat to fasten the rigid leg and the flexible leg.
In this step, rigid legs and flexible legs can be hoisted using a floating crane or other hoisting equipment and mounted upright on the travelling cart. When the rigid leg is erected, the cable rope penetrating through the lifting lug on the rigid leg can be connected with the corresponding second mounting seat so as to fasten the rigid leg; when the flexible leg is erected, the cable rope penetrating through the lifting lug on the flexible leg can be connected with the corresponding second mounting seat so as to fasten the flexible leg.
For example, when the plurality of second mounting seats are embodied as second mounting seats a to h shown in fig. 4 or 7, the cable rope passing through the inner side lifting lug of the rigid leg may be connected to the second mounting seats c and d, the cable rope passing through the inner side lifting lug of the flexible leg may be connected to the second mounting seats a and b, the cable rope passing through the outer side lifting lug of the rigid leg may be connected to the second mounting seats e and f, and the cable rope passing through the outer side lifting lug of the flexible leg may be connected to the second mounting seats g and h.
And S205, adjusting the verticality of the rigid leg and the flexible leg through a theodolite.
And S206, hoisting the main beam to connect one end of the main beam with the rigid leg and connect the other end of the main beam with the flexible leg.
Illustratively, the main beams may include a first main beam, a second main beam; the gantry crane may further include: rigid leg side end beams, flexible leg side end beams. Further, in this example, a crane or other hoisting equipment may be used to assemble the flexible leg and the flexible leg side end beam into a whole, the second main beam and the rigid leg side end beam into a whole, and then the flexible leg with the flexible leg side end beam is mounted to the traveling cart, the rigid leg is mounted to the traveling cart, and the verticality of the flexible leg and the rigid leg is adjusted through steps S204 and S205; next, the first main beam and the second main beam with the rigid leg side end beam are installed through step S206.
In specific implementation, the gantry crane may further include a lifting tool, and further, the method according to the embodiment of the present invention may further include: after step S206, the spreader is mounted to the main beam. After the complete machine installation of the gantry crane is realized through the steps, the gantry crane can be transported to a destination (such as a bridge position).
In the embodiment of the invention, the complete machine installation of the gantry crane on the transportation equipment can be realized through the steps, so that the complete machine transportation of the gantry crane can be realized, and the problems of more occupied field resources, long installation period, high comprehensive cost, difficulty in quality guarantee and the like in the conventional method for transporting the parts of the gantry crane are solved. Compared with the prior art, the method provided by the embodiment of the invention at least has the following technical effects: the gantry crane can be transported to the wharf in a complete machine state, so that the occupation of resources on a construction site can be avoided; the whole machine is high in installation and transportation efficiency, and the cost and the construction period can be reduced.
EXAMPLE III
The gantry crane related to the embodiment of the invention comprises: the walking cart comprises a walking cart, rigid legs, flexible legs and a main beam. As shown in fig. 3 to 9, an apparatus for installing a gantry crane on a transportation device according to an embodiment of the present invention includes: the device comprises a plurality of first installation seats 1, a plurality of second installation seats 2, a hoisting device 3 and a guy rope 4.
The first installation bases 1 are fixedly arranged on a deck of the transportation equipment and used for installing the running rails 5. For example, the first mounting seat may be fixedly disposed on a deck of a transportation device (such as a transportation vessel) by welding.
And the second installation seats 2 are fixedly arranged on a deck of the transportation equipment and are used for installing the guy cables. For example, the second mounting seat may be fixedly disposed on a deck of a transportation device (such as a transportation vessel) by welding.
In an alternative embodiment, the number of the first mounting seats 1 is four, and the number of the second mounting seats 2 is eight. As shown in fig. 4, four first mounting seats 1 are located on four top corners of the same rectangle, two of the four first mounting seats 1 are located on the rigid leg mounting line, and the other two of the four first mounting seats 1 are located on the flexible leg mounting line; the eight second mounts 2 may comprise second mounts a to h, wherein the second mounts a, b, c, d may be located near the rigid leg mount line and the flexible leg mount line and the second mounts e, f, g, h may be located near the edge of the deck.
And the walking track 5 is fixedly arranged on the first mounting seat and is used for mounting a walking cart 7.
In an alternative embodiment, the first mounting block 1 comprises a plurality of bottom distribution beams 101 and a plurality of top distribution beams 102. As shown in fig. 5, the bottom distribution beam 101 is welded on the deck 6 of the transportation equipment, and stiffening plates 103 are arranged on both sides of the bottom distribution beam 101 for enhancing the lateral stability of the bottom distribution beam; the top distribution beam 102 is arranged above the bottom distribution beam 101 and vertically connected with the bottom distribution beam 101; the running rails 5 are welded above the top distribution beam 102, and clamping plates 104 are arranged on two sides of the running rails 5 to transversely fasten the running rails 5.
Further, when the cart is mounted, in order to improve the mounting stability of the cart, the apparatus according to the embodiment of the present invention may further include: a leveling instrument for adjusting the top surface of the traveling cart 7 to the same horizontal plane after the traveling cart 7 is placed on the traveling rail 5; and the fastening equipment is used for fastening the walking cart on the walking track after the top surfaces of the walking cart are adjusted to the same horizontal plane. Wherein the fastening apparatus may include: steel wedges (not shown in the figure) and transverse support bars 8. In specific implementation, the walking cart 7 can be tightly lifted on the walking track 5 by adopting a steel wedge, and a track clamping device is locked; and the two sides of the walking cart 7 are fixedly provided with transverse support rods 8 for transversely fastening the walking cart. Wherein, the transverse supporting rod 8 can adopt section steel. In specific implementation, one end of the section steel can be welded on the deck, and the other end of the section steel can be welded on the travelling cart so as to transversely fix the travelling cart and prevent the travelling cart from inclining.
And a hoisting device 3 for hoisting and vertically mounting the rigid legs 9 and the flexible legs 10 to the travelling cart. Illustratively, the hoisting device may be a floating crane, a crane or other hoisting device.
And the cable rope 4 is hung on the rigid leg 9 and the flexible leg 10 and is used for being connected with the second mounting seat 2 so as to fasten the rigid leg and the flexible leg.
For example, when the plurality of second mounting seats are embodied as second mounting seats a to h shown in fig. 4 or 7, the cable ties 4 passing through the inner side lifting lugs of the rigid legs may be connected to the second mounting seats c and d, the cable ties 4 passing through the inner side lifting lugs of the flexible legs may be connected to the second mounting seats a and b, the cable ties 4 passing through the outer side lifting lugs of the rigid legs may be connected to the second mounting seats e and f, and the cable ties 4 passing through the outer side lifting lugs of the flexible legs may be connected to the second mounting seats g and h.
And the hoisting equipment 3 is also used for hoisting a main beam so as to connect one end of the main beam with the rigid leg 9 and connect the other end of the main beam with the flexible leg 10.
Further, in order to improve the installation stability of the gantry crane, the apparatus of the embodiment of the present invention may further include: and the theodolite is used for adjusting the verticality of the rigid leg and the flexible leg after the cable rope hung on the rigid leg and the flexible leg is connected with the second mounting seat.
Example four
In this embodiment, a non-welding type connection manner of the transverse support rods 8 is provided, and referring to fig. 10 to 12, two rows of rail-shaped positioning platforms 20 are welded to the deck 6, and the positioning platforms 20 are distributed on two sides of the traveling cart 7; two side surfaces of the walking cart 7 are welded with limiting tables 50, and the limiting tables 50 are composed of two steel blocks which are distributed at intervals along the vertical direction; two ends of the transverse supporting rod 8 are respectively embedded between the positioning table 20 and the limiting table 50, a mounting piece 30 is inserted between the positioning table 20 and the transverse supporting rod 8, and the fixing piece 40 is inserted between the limiting table 50 and the transverse supporting rod 8.
The mounting piece 30 comprises an insert rod 301 and a wedge block 302, the insert rod 301 is a rectangular rod, the wedge block 302 is a quadrangular prism with a parallelogram cross section, and the inclination angle of the wedge block 302 is the same as that of the transverse support rod 8; the positioning table 20 is provided with a slot 201, the length direction of the slot 201 is perpendicular to the length direction of the positioning table 20, the insertion rod 301 is embedded into the slot 201, the wedge block 302 is embedded into the transverse support rod 8, the insertion rod 301 is fixedly connected with the wedge block 302, and the insertion direction of the insertion rod 301 is different from that of the wedge block 302.
During the connection, insert the voussoir 302 earlier in horizontal bracing piece 8 middle part, move down along horizontal bracing piece 8 length direction afterwards, when making inserted bar 301 and location platform 20 butt, strike inserted bar 301 with the hammer, make inserted bar 301 insert slot 201 smoothly in, because of inserted bar 301 is different with the grafting direction of slot 201, and the spacing of cooperation slot 201, make horizontal bracing piece 8 regardless of which direction can both obtain effective restriction, difficult removal.
The fixing piece 40 comprises an inserting block 401 and a positioning block 402, the inserting block 401 is a rectangular rod, the positioning block 402 is a quadrangular prism with a parallelogram cross section, and the inclination angle of the positioning block 402 is the same as that of the transverse supporting rod 8; the inserting block 401 is embedded into the transverse supporting rod 8, the positioning block 402 is inserted into the limiting table 50, the inserting block 401 is fixedly connected with the positioning block 402, and the inserting direction of the inserting block 401 is different from that of the positioning block 402.
A connecting hole is formed in the top end face of the limiting table 50 and penetrates through the limiting table 50 and the positioning block 402, a positioning plate 60 is inserted into the connecting hole, the positioning plate 60 is a square steel plate, the outer diameter of the positioning plate 60 is smaller than that of the connecting hole, and the distance range of the positioning plate 60 is not more than 3 mm; the top end of the positioning plate 60 extends out of the connecting hole and is fixedly connected with a striking plate 601, the end surface of the striking plate 601 is perpendicular to the end surface of the positioning plate 60, the area of the horizontal plane of the striking plate 601 is larger than that of the horizontal plane of the positioning plate 60, a reinforcing rib 602 is fixedly connected between the striking plate 601 and the positioning plate 60, and the width of the reinforcing rib 602 is smaller than that of the positioning plate 60 and the striking plate 601.
During connection, insert the middle part of horizontal bracing piece 8 with inserted block 401 earlier, move up along 8 length direction of horizontal bracing piece afterwards, when making locating piece 402 and spacing platform 50 butt, strike locating piece 402 with the hammer, make locating piece 402 can insert in spacing platform 50 smoothly, peg graft locating plate 60 in the connecting hole afterwards, if connecting hole on locating piece 402 and the connecting hole on spacing platform 50 match incompletely, usable hammer strikes and strikes board 601, make locating plate 60 also can insert in locating piece 402, because of the grafting direction of inserted block 401 and locating piece 402 is different, and cooperate the spacing of locating piece 402, make horizontal bracing piece 8 can both obtain effective restriction regardless of which direction, be difficult for removing.
A prying groove 303 is formed in the plane of one end of the inserting rod 301 extending out of the slot 201; one end, close to the positioning plate 402, of the limiting table 20 is fixedly connected with a prying table 501, and the length of the prying table 501 is larger than that of the knocking plate 601; after transportation is finished, one end of the pry bar can be respectively inserted into the bottom of the prying groove 303 or the bottom of the knocking plate 601, and the mounting part 30 and the fixing part 40 can be taken down by respectively taking the positioning table 20 and the prying table 501 as supporting points, so that the operation is simple and convenient; through setting up non-welded mode, when guaranteeing joint strength, reduce the trouble of dismantling after the welding, and make fastening equipment such as horizontal bracing piece 8 can use many times, and simple to operate, save man-hour.
During specific implementation, the gantry crane can further comprise a lifting appliance, and further, the lifting equipment can also be used for installing the lifting appliance on the main beam. After the complete machine installation of the gantry crane is realized, the gantry crane can be transported to a destination (such as a bridge position) by a transport ship.
In the embodiment of the invention, the complete machine installation of the gantry crane on the transportation equipment can be realized through the device, so that the complete machine transportation of the gantry crane can be realized, and the problems of more occupied field resources, long installation period, high comprehensive cost, difficult quality guarantee and the like in the conventional method for transporting the parts of the gantry crane are solved. Compared with the prior art, the device provided by the embodiment of the invention at least has the following technical effects: the gantry crane can be transported to the wharf in a complete machine state, so that the occupation of resources on a construction site can be avoided; the whole machine is high in installation and transportation efficiency, and the cost and the construction period can be reduced.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (8)
1. A method of installing a gantry crane on a transport apparatus, wherein the gantry crane comprises: the method comprises the following steps of walking a cart, rigid legs, flexible legs and a main beam, and is characterized in that the method comprises the following steps:
a plurality of first installation seats and a plurality of second installation seats are fixedly arranged on a deck of the transportation equipment;
installing a walking rail through the plurality of first installation seats, and then installing a walking cart on the walking rail; wherein the first mount includes: a plurality of bottom distribution beams and a plurality of top distribution beams; the bottom distribution beam is welded on a deck of the transportation equipment, and stiffening plates are arranged on two sides of the bottom distribution beam and used for enhancing the transverse stability of the bottom distribution beam; the top distribution beam is arranged above the bottom distribution beam and is vertically connected with the bottom distribution beam;
the step of mounting the running rails by the plurality of first mounting brackets comprises: welding a walking track above the top layer distribution beam, and transversely fastening the walking track by arranging clamping plates on two sides of the walking track;
hoisting and vertically installing a rigid leg and a flexible leg on the walking cart, and then connecting a cable rope hung on the rigid leg and the flexible leg with a second installation base to fasten the rigid leg and the flexible leg;
and hoisting a main beam to connect one end of the main beam with the rigid leg and connect the other end of the main beam with the flexible leg.
2. The method of claim 1, wherein the first mounts are four in number and the second mounts are eight in number; the step of fixedly arranging a plurality of first mounting seats and a plurality of second mounting seats on a deck of the transportation equipment comprises the following steps of; welding four first installation seats and eight second installation seats on a transport equipment deck; wherein the four first mounts are located on four top corners of the same rectangle, and two of the four first mounts are located on a rigid leg mount line and the other two of the four first mounts are located on a flexible leg mount line.
3. The method of claim 1, wherein the step of mounting a mobile cart on the running rails comprises:
and placing the walking cart on the walking track, adjusting the top surface of the walking cart to the same horizontal plane through a level gauge, and fastening the walking cart on the walking track.
4. The method of claim 3, wherein the step of securing the cart to the running rails comprises:
tightly grabbing the walking cart on a walking track by using a steel wedge, and locking a rail clamping device; and transverse support rods are fixedly arranged on two sides of the walking cart so as to transversely fasten the walking cart.
5. The method of claim 1, wherein after the step of connecting the hawser hanging from the rigid leg and the flexible leg to the second mount, the method further comprises: and adjusting the verticality of the rigid leg and the flexible leg through a theodolite.
6. An apparatus for mounting a gantry crane on a transport device, the gantry crane comprising: walk cart, rigid leg, flexible leg and girder, its characterized in that, the device includes: the device comprises a plurality of first mounting seats, a plurality of second mounting seats, lifting equipment, a guy rope, a level gauge and fastening equipment;
the first installation seats are fixedly arranged on a deck of the transportation equipment and used for installing the walking rails; the walking track is used for mounting a walking cart;
the second installation seats are fixedly arranged on a deck of the transportation equipment and used for installing the cable wind ropes;
the hoisting equipment is used for hoisting the rigid legs and the flexible legs and vertically installing the rigid legs and the flexible legs on the walking cart;
the cable wind rope is hung on the rigid leg and the flexible leg and is used for being connected with the second mounting seat so as to fasten the rigid leg and the flexible leg;
the lifting equipment is also used for lifting a main beam to connect one end of the main beam with the rigid leg and connect the other end of the main beam with the flexible leg;
the leveling instrument is used for adjusting the top surfaces of the walking carts to the same horizontal plane after the walking carts are placed on the walking tracks;
the fastening equipment is used for fastening the walking cart on the walking track after the top surfaces of the walking cart are adjusted to the same horizontal plane;
the fastening device comprises a steel wedge and a transverse supporting rod;
wherein two ends of the transverse supporting rod are respectively connected with the deck and the walking cart;
mounting pieces are respectively abutted to two sides of one end, connected with a deck, of the transverse supporting rod, each mounting piece comprises an inserting rod and a wedge block, the inserting rods are embedded into the deck, the wedge blocks are embedded into the transverse supporting rods, the inserting rods are fixedly connected with the wedge blocks, and the inserting directions of the inserting rods and the wedge blocks are different;
the fixing parts are respectively abutted to two sides of one end, connected with the walking cart, of the transverse supporting rod and comprise inserting blocks and positioning blocks, the inserting blocks are embedded into the transverse supporting rod, the positioning blocks are inserted into the walking cart, the inserting blocks are fixedly connected with the positioning blocks, and the inserting directions of the inserting blocks and the positioning blocks are different.
7. The apparatus of claim 6, wherein the first mounting seats are four in number and the second mounting seats are eight in number; the four first mounting seats and the eight second mounting seats are welded on a transport equipment deck; wherein the four first mounting seats are located on four top corners of the same rectangle, and two of the four first mounting seats are located on a rigid leg mounting line, and the other two of the four first mounting seats are located on a flexible leg mounting line; the first mount includes: a plurality of bottom distribution beams and a plurality of top distribution beams;
the bottom distribution beam is welded on a deck of the transportation equipment, and stiffening plates are arranged on two sides of the bottom distribution beam and used for enhancing the transverse stability of the bottom distribution beam; the top distribution beam is arranged above the bottom distribution beam and is vertically connected with the bottom distribution beam; the walking rails are welded above the top layer distribution beams, and clamping plates are arranged on two sides of each walking rail to transversely fasten the walking rails.
8. The apparatus of claim 7,
the deck is fixedly connected with a positioning table, a slot is formed in the positioning table, and the inserted rod is embedded into the slot;
a prying groove is formed in the plane of one end of the inserting rod extending out of the inserting groove;
the walking cart is fixedly connected with a limiting table, the positioning block is inserted into the limiting table, a positioning plate is inserted into the limiting table and penetrates through the limiting table and the positioning block, the top end of the positioning plate is fixedly connected with a striking plate, the area of the horizontal plane of the striking plate is larger than that of the positioning plate, a reinforcing rib is fixedly connected between the striking plate and the positioning plate, and the width of the reinforcing rib is smaller than that of the positioning plate and the striking plate;
one end of the limiting table, which is close to the positioning plate, is fixedly connected with a prying table, and the length of the prying table is greater than that of the knocking plate.
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| CN201910475784.6A CN110255392B (en) | 2019-06-03 | 2019-06-03 | Method and device for installing gantry crane on transportation equipment |
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