CN109052161B - Device for quickly assembling horizontal flange type bridge and application method thereof - Google Patents
Device for quickly assembling horizontal flange type bridge and application method thereof Download PDFInfo
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- CN109052161B CN109052161B CN201811038321.5A CN201811038321A CN109052161B CN 109052161 B CN109052161 B CN 109052161B CN 201811038321 A CN201811038321 A CN 201811038321A CN 109052161 B CN109052161 B CN 109052161B
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- cross beam
- horizontal flange
- type bridge
- supporting legs
- bolt holes
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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
- B66C6/00—Girders, or track-supporting structures, specially adapted for cranes
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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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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Machine Tool Units (AREA)
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
Abstract
The invention provides a device for quickly assembling a horizontal flange type bridge and a use method thereof, wherein the device comprises a cross beam, the cross beam is a cuboid frame body, key grooves are machined on the upper surface of the cross beam, planes for assembling supporting legs are respectively machined at the bottoms of two ends of the cross beam, and bolt holes are machined in the bottoms of the two ends of the cross beam; the upper part of the supporting leg is provided with a bolt hole for connecting with the cross beam, and the lower part of the supporting leg is provided with a foundation through a double nut, so that the supporting leg can be adjusted to lift in the vertical direction; bolts pass through the bolt holes of the supporting legs and are connected with the bolt holes of the cross beam, so that the relative supporting legs can be adjusted in the diagonal and span directions. The technical scheme of the invention solves the problems of high operation difficulty and low safety coefficient of the whole end beam of the high air conditioner in the prior art.
Description
Technical Field
The invention relates to the technical field of bridge design, in particular to an adjusting device of a crane bridge, which is suitable for connecting a main beam and an end beam by adopting a horizontal flange type.
Background
At present, a crane bridge with a horizontal flange connection type produced at home is generally assembled according to a traditional process method, namely, a scheme of fixing a main beam after the main beam is adjusted and fixing the whole end beam of a high air conditioner is shown in fig. 1. The method has the following characteristics:
1. the two ends of the main beam are connected with the end beams through a bevel transition, so that the clearance height is raised, and the assembled end beams must be operated at high altitude. The operation difficulty is high, and the safety coefficient is low.
2. The main beam is fixed by three parameters which need to be adjusted, diagonal lines, spans and levelness are all completed by large auxiliary equipment such as a gantry crane or an automobile crane, and the middle process also needs to be welded with a fixed block and tools such as a jack are applied. The workload is large and the efficiency is low.
3. Six parameters of the whole end beam of the high air conditioner, namely levelness, verticality, height difference, diagonal line, span and homonymy difference, are also completed through large auxiliary equipment, the six parameters are mutually influenced, and the requirement on the operation proficiency of personnel is high.
4. In particular to an end beam provided with a small-diameter wheel, the standard requirement of the error range of horizontal and vertical parameters is small, the precision requirement of a measuring instrument is high, and the higher technical requirement is provided for measuring staff.
Therefore, developing a device that can be operated on the ground and can be assembled quickly and each parameter can meet the standard is a technical problem to be solved.
Disclosure of Invention
According to the technical problems of high operation difficulty, high safety coefficient and low safety coefficient of the whole end beam of the high air conditioner, the device for quickly assembling the horizontal flange type bridge and the using method thereof are provided. The invention mainly utilizes the cross oblong hole which is processed at the upper part of the supporting leg and is used for being connected with the cross beam, and the lower part of the supporting leg is provided with the ground feet through double nuts, so that the supporting leg can be adjusted to lift in the vertical direction; the bolt passes through the cross slotted hole of landing leg and the bolt hole connection of crossbeam, makes the crossbeam can be adjusted in diagonal and span direction relative landing leg to play and change ground operation from high altitude construction, factor of safety improves, and installation effectiveness improves.
The invention adopts the following technical means:
an apparatus for rapidly assembling a horizontal flange-type bridge, comprising: the safety device comprises a cross beam, supporting legs, a wheel seat, a flat key, a ground foot and a safety block; the cross beam is a cuboid frame body, key grooves are formed in the upper surface of the cross beam, planes for assembling the supporting legs are respectively formed in the bottoms of the two ends of the cross beam, and bolt holes are formed in the bottoms of the two ends of the cross beam; the upper part of the supporting leg is provided with a bolt hole for connecting with the cross beam, and the lower part of the supporting leg is provided with a foot through a double nut, so that the supporting leg can be adjusted to lift in the vertical direction; bolts pass through the bolt holes of the supporting legs and the bolt holes of the cross beams to be connected, and the cross beams can be adjusted relative to the supporting legs in the diagonal and span directions; the wheel seat is arranged in a key groove on the upper surface of the cross beam through a flat key; the safety block for preventing the bridge from sliding in the running direction of the wheels is arranged on the wheel seat and is used for tightly pushing the wheels.
Further, the bolt hole of processing on the crossbeam is circular bolt hole, the bolt hole of processing on the landing leg is cross slotted hole, or the bolt hole of processing on the crossbeam is cross slotted hole, the bolt hole of processing on the landing leg is circular bolt hole, or the crossbeam with the bolt hole of processing on the landing leg is slotted hole, and the slotted hole of processing on the crossbeam with the cross setting of slotted hole of processing on the landing leg, and then realize the crossbeam is relative the landing leg can be adjusted in diagonal and span direction.
Further, the perpendicularity between the key groove side surface machined by the cross beam and the upper surface of the cross beam is smaller than 0.05mm.
Further, the wheel seat is of an I-beam lying structure, a wire hole is reamed on the I-beam cover plate, a key groove is machined on the web plate, and the perpendicularity between the side face of the key groove and the bottom face of the I-beam Liang Zhitui is smaller than 0.05mm.
Further, the flat key is a strip-shaped piece subjected to heat treatment and is fixed in key grooves of the cross beam and the wheel seat.
Further, the foundation is a supporting structure formed by assembling the processed bolts and finished nuts.
Further, the safety block is a wooden or steel wedge block.
The invention also provides a using method of the device for rapidly assembling the horizontal flange type bridge, which comprises the following steps:
s1, placing two groups of devices for quickly assembling the horizontal flange type bridge on a horizontal working surface, connecting the ground feet with supporting legs, connecting the supporting legs with a cross beam, and adjusting the ground feet to enable the levelness of the upper surface of the complete device to be smaller than 1mm;
s2, adjusting two groups of devices for quickly assembling the horizontal flange type bridge so that the span of the device is the same as that of the main beam, and the error is less than or equal to 1mm; adjusting the diagonal line to ensure that the error is less than or equal to 1mm;
s3, assembling the wheel seat and the cross beam together through a flat key, hoisting the end beam to clamp the wheels in the wheel seat groove, and tightly propping the wheels through the wheel seat screw holes by utilizing bolts, wherein the six technical requirements of the end beam, namely levelness, verticality, height difference, diagonal line, span and homohead, are ensured by two groups of devices for rapidly assembling the horizontal flange type bridge frame and are not regulated any more;
s4, hoisting the main beam, and only adjusting two technical requirements of the main beam, namely the horizontal and the track gauge, to finish the adjustment.
Further, in step S2, the span and diagonal positions are adjusted by the positions of the bolt holes machined in the cross beam and the leg.
Further, the bolt holes machined in the cross beam are transverse slotted holes, and the bolt holes machined in the supporting legs are vertical slotted holes.
Compared with the prior art, the invention has the following advantages:
1. the high-altitude operation is changed into ground operation, so that the safety coefficient is improved.
2. The whole course matching of the original large-scale equipment is improved to only need to be hoisted for several times, so that the utilization rate of the large-scale equipment is improved.
3. The original nine parameters to be adjusted are improved to only two, and the assembly efficiency is improved by 75%.
4. The labor workload is reduced, the labor intensity is reduced, and the manufacturing cost is saved by 70%.
5. The invention is also applicable to the horizontal flange type bridge frames with different spans after being finely adjusted.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings may be obtained according to the drawings without inventive effort to a person skilled in the art.
Fig. 1 is a schematic diagram of a prior art apparatus.
Fig. 2 is a front view of the device of the present invention.
Fig. 3 is a left side view of the device of the present invention.
Fig. 4 is a front view of a method of using the device of the present invention.
Fig. 5 is a left side view of the method of using the device of the present invention.
FIG. 6 is a schematic view of the wheel mount and wheel mounting location of the present invention.
FIG. 7-1 is a schematic view of a flat key installation of the present invention.
Fig. 7-2 is a schematic view of the wheel base of the present invention.
Fig. 7-3 are schematic views of the wheel mounting of the present invention.
Fig. 7-4 are axial wheel securing schematic views of the present invention.
Fig. 7-5 are schematic views of the wheel base direction fixing of the present invention.
Fig. 8 is a schematic view of the wheel base of the present invention.
In the figure, 1, a cross beam, 2, supporting legs, 3, a wheel seat, 4, a flat key, 5, a ground foot, 6, a safety block, 7, wheels, 8 and bolts; l is the wheel base.
Detailed Description
It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other. The invention will be described in detail below with reference to the drawings in connection with embodiments.
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present invention. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless it is specifically stated otherwise. Meanwhile, it should be clear that the dimensions of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.
In the description of the present invention, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present invention and simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present invention: the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
In addition, the terms "first", "second", etc. are used to define the components, and are only for convenience of distinguishing the corresponding components, and the terms have no special meaning unless otherwise stated, and therefore should not be construed as limiting the scope of the present invention.
As shown, the present invention provides an apparatus for rapidly assembling a horizontal flange-type bridge, comprising: the safety device comprises a cross beam 1, supporting legs 2, a wheel seat 3, a flat key 4, a ground foot 5 and a safety block 6; the cross beam 1 is a cuboid frame body, a key groove is machined on the upper surface of the cross beam, the key groove is of a through length, the wheel seat 3 can be clamped at any position on the key groove, planes for assembling the supporting legs 2 are respectively machined at the bottoms of the two ends of the cross beam, and bolt holes are machined in the bottoms of the two ends of the cross beam; and the perpendicularity between the key groove side surface machined by the cross beam 1 and the upper surface of the cross beam 1 is less than 0.05mm. The beam 1 is formed by processing a welding structural member through a planer boring and milling machine, and planes are milled at the bottoms of two ends.
The upper part of the supporting leg 2 is provided with a bolt hole for connecting with the cross beam 1, and the lower part of the supporting leg 2 is provided with a foundation 5 through double nuts, so that the supporting leg 2 can be adjusted to lift in the vertical direction; the foundation 5 is a supporting structure formed by assembling a processed bolt and a finished nut.
The landing leg 2 is formed by processing a welding structural member through a boring machine, a plane is milled on the upper surface, and through holes connected with the foundation 5 are arranged at four corners of the bottom.
Bolts penetrate through bolt holes of the supporting legs 2 and are connected with bolt holes of the cross beam 1, so that the cross beam 1 can be adjusted in diagonal and span directions relative to the supporting legs 2; the bolt hole of processing on the crossbeam 1 is the circular bolt hole, the bolt hole of processing on the landing leg 2 is the cross slotted hole, or the bolt hole of processing on the crossbeam 1 is the cross slotted hole, the bolt hole of processing on the landing leg 2 is the circular bolt hole, or the crossbeam 1 with the bolt hole of processing on the landing leg 2 is the slotted hole, and the slotted hole of processing on the crossbeam 1 with the cross setting of slotted hole of processing on the landing leg 2.
The wheel base 3 is installed in the key slot on the upper surface of the cross beam 1 through the flat key 4, and is adjustable in the direction of the wheel base distance, namely, adjustable in the traveling direction of the wheels, and the wheel base can be installed at any position in the key slot on the upper surface of the cross beam through the flat key so as to adapt to different wheel base distances, and the distance between the axes of any two wheels is the wheel base distance, as shown in fig. 8.
The flat key 4 is a strip-shaped piece subjected to heat treatment and is fixed in key grooves of the cross beam 1 and the wheel base 3.
The wheel base 3 is of an I-beam lying structure, a threaded hole is formed in an I-beam cover plate in a reaming mode, a key groove is formed in a web plate in a machining mode, and the perpendicularity between the side face of the key groove and the bottom face of the I-beam Liang Zhitui is smaller than 0.05mm. The wheel base 3 is formed by processing a welding structural member through a boring machine.
The safety block 6 for preventing the bridge from sliding in the running direction of the wheels is arranged on the wheel seat 3 and is used for tightly pushing the wheels. The safety block 6 is a wooden or steel wedge. The safety blocks 6 mainly prevent the bridge from sliding in the direction of wheel travel.
As shown in fig. 6, after the wheel 7 is locked in the wheel base 3, the safety block 6 abuts against the wheel 7, so that the wheel 7 is prevented from moving in the horizontal direction as shown in the drawing, that is, the wheel 7 is prevented from moving in the wheel traveling direction, and the safety function is achieved, so that the wheel is prevented from slipping.
In the specific installation process, as shown in fig. 7-1, the flat key 4 is installed in a key slot at a designated position, as shown in fig. 7-2, the wheel base 3 is installed at the designated position of the cross beam 1 through the flat key 4, as shown in fig. 7-3, the wheel 7 is placed in the wheel base 3, as shown in fig. 7-4, the wheel 7 is axially fixed and limited in the wheel base 3 through the bolts 8, as shown in fig. 7-5, and the safety device 6 arranged in the wheel base 3 locks the wheel 7 in the wheel travelling direction.
As shown in fig. 4 and 5, the method for using the device for rapidly assembling a horizontal flange type bridge according to the present invention is that the crane bridge comprises the following steps:
s1, placing two groups of devices for quickly assembling the horizontal flange type bridge on a horizontal working surface, connecting the ground feet 5 with the supporting legs 2, connecting the supporting legs 2 with the cross beam 1, and adjusting the ground feet 5 to enable the levelness of the upper surface of the complete device to be smaller than 1mm;
s2, adjusting two groups of devices for quickly assembling the horizontal flange type bridge so that the span of the device is the same as that of the main beam, and the error is less than or equal to 1mm; adjusting the diagonal line to ensure that the error is less than or equal to 1mm; the adjustment of span and diagonal position is achieved by the positions of the bolt holes machined in the cross beam 1 and the leg 2.
Preferably, the bolt hole processed on the cross beam 1 is a transverse oblong hole, and the bolt hole processed on the supporting leg 2 is a vertical oblong hole.
S3, assembling the wheel base 3 and the cross beam 1 together through the flat key 4, hoisting the end beam to clamp the wheels in the grooves of the wheel base 3, and tightly propping the wheels through the wire holes of the wheel base 3 by utilizing bolts, wherein the six technical requirements of the end beam, namely levelness, verticality, height difference, diagonal line, span and same position difference, are ensured by the two groups of devices for quickly assembling the horizontal flange type bridge frame and are not regulated any more;
s4, hoisting the main beam, and only adjusting two technical requirements of the main beam, namely the horizontal and the track gauge, to finish the adjustment.
Fig. 2 and 3 are schematic views of an apparatus for rapidly assembling a horizontal flange-type bridge according to the present invention. The two groups are matched and used in a complete set.
The invention mainly works on the ground, and six parameters of the end beam are ensured by the invention devices after the end beam is seated on the wheel base 3 by adjusting the levelness, diagonal line and span size of the two groups of the invention devices, and the adjustment is not performed any more. After the device is adjusted, all horizontal flange connection type bridges with the same span can be installed, and modular assembly and assembly line operation are realized.
The device for quickly assembling the horizontal flange type bridge and the using method thereof are used for quickly assembling the bridge, so that the assembly production efficiency is improved, and the device is particularly suitable for working conditions of mass production.
The core of the invention is that the precision of the machined parts is utilized, so that the technical parameters to be adjusted in the bridge assembly process are ensured by the device, manual adjustment is not performed any more, the rapid assembly is realized, the production efficiency is improved by more than 75%, and the manufacturing cost is reduced by more than 70%.
Embodiment 1, as shown in the figures, this embodiment discloses a device for quickly assembling a horizontal flange type bridge, comprising: the safety device comprises a cross beam 1, supporting legs 2, a wheel seat 3, a flat key 4, a ground foot 5 and a safety block 6; the cross beam 1 is a cuboid frame body, a key groove is machined on the upper surface of the cross beam, the key groove is of a through length, the wheel seat 3 can be clamped at any position on the key groove, planes for assembling the supporting legs 2 are respectively machined at the bottoms of the two ends of the cross beam, and bolt holes are machined in the bottoms of the two ends of the cross beam; and the perpendicularity between the key groove side surface machined by the cross beam 1 and the upper surface of the cross beam 1 is less than 0.05mm. The beam 1 is formed by processing a welding structural member through a planer boring and milling machine, and planes are milled at the bottoms of two ends.
The upper part of the supporting leg 2 is provided with a bolt hole for connecting with the cross beam 1, and the lower part of the supporting leg 2 is provided with a foundation 5 through double nuts, so that the supporting leg 2 can be adjusted to lift in the vertical direction; the foundation 5 is a supporting structure formed by assembling a processed bolt and a finished nut.
The landing leg 2 is formed by processing a welding structural member through a boring machine, a plane is milled on the upper surface, and through holes connected with the foundation 5 are arranged at four corners of the bottom.
Bolts penetrate through bolt holes of the supporting legs 2 and are connected with bolt holes of the cross beam 1, so that the cross beam 1 can be adjusted in diagonal and span directions relative to the supporting legs 2; the bolt hole of processing on the crossbeam 1 is the circular bolt hole, the bolt hole of processing on the landing leg 2 is the cross slotted hole, makes people can be through adjusting the circular bolt hole on the crossbeam 1 relative the mounting position of cross slotted hole on the landing leg 2, and then realize the crossbeam 1 is relative the adjustment of landing leg 2 in diagonal and span direction.
The wheel base 3 is installed in the key slot on the upper surface of the cross beam 1 through the flat key 4, and is adjustable in the direction of the wheel base distance, namely, adjustable in the traveling direction of the wheels, and the wheel base can be installed at any position in the key slot on the upper surface of the cross beam through the flat key so as to adapt to different wheel base distances, and the distance between the axes of any two wheels is the wheel base distance, as shown in fig. 8.
The flat key 4 is a strip-shaped piece subjected to heat treatment and is fixed in key grooves of the cross beam 1 and the wheel base 3. The wheel base 3 is of an I-beam lying structure, a threaded hole is formed in an I-beam cover plate in a reaming mode, a key groove is formed in a web plate in a machining mode, and the perpendicularity between the side face of the key groove and the bottom face of the I-beam Liang Zhitui is smaller than 0.05mm. The wheel base 3 is formed by processing a welding structural member through a boring machine.
The safety block 6 for preventing the bridge from sliding in the running direction of the wheels is arranged on the wheel seat 3 and is used for tightly pushing the wheels. The safety block 6 is a wooden or steel wedge. The safety blocks 6 mainly prevent the bridge from sliding in the direction of wheel travel.
Embodiment 2, this embodiment is compared with embodiment 1, and is different in that the bolt hole of processing on the crossbeam 1 is cross slotted hole, the bolt hole of processing on the landing leg 2 is circular bolt hole, makes people can be through adjusting cross slotted hole on the crossbeam 1 relative the mounted position of circular bolt hole on the landing leg 2, and then realize crossbeam 1 is relative landing leg 2 is in diagonal and span orientation's adjustment.
Embodiment 3, this embodiment compares with embodiment 1, and is different in that, crossbeam 1 with the bolt hole of processing on the landing leg 2 is the slotted hole, and the slotted hole of processing on crossbeam 1 with the slotted hole of processing on the landing leg 2 is crisscross setting, and is preferred, the bolt hole of processing on crossbeam 1 is horizontal slotted hole, the bolt hole of processing on the landing leg 2 is vertical slotted hole, makes people can be through adjusting horizontal slotted hole on the crossbeam 1 is relative vertical slotted hole's on the landing leg 2 mounted position, and then realize crossbeam 1 is relative the adjustment of landing leg 2 in diagonal and span direction.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the 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 scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention.
Claims (10)
1. An apparatus for rapidly assembling a horizontal flange-type bridge, comprising: the safety device comprises a cross beam, supporting legs, a wheel seat, a flat key, a ground foot and a safety block;
the cross beam is a cuboid frame body, key grooves are formed in the upper surface of the cross beam, planes for assembling the supporting legs are respectively formed in the bottoms of the two ends of the cross beam, and bolt holes are formed in the bottoms of the two ends of the cross beam;
the upper part of the supporting leg is provided with a bolt hole for connecting with the cross beam, and the lower part of the supporting leg is provided with a foot through a double nut, so that the supporting leg can be adjusted to lift in the vertical direction;
bolts pass through the bolt holes of the supporting legs and the bolt holes of the cross beams to be connected, and the cross beams can be adjusted relative to the supporting legs in the diagonal and span directions;
the wheel seat is arranged in a key groove on the upper surface of the cross beam through a flat key; the safety block for preventing the bridge from sliding in the running direction of the wheels is arranged on the wheel seat.
2. The apparatus for rapid assembly of a horizontal flange-type bridge according to claim 1, wherein,
the bolt holes processed on the cross beam are round bolt holes, the bolt holes processed on the supporting legs are cross oblong holes,
or the bolt holes processed on the cross beam are cross oblong holes, the bolt holes processed on the supporting legs are round bolt holes,
or the bolt holes processed on the cross beam and the supporting legs are oblong holes, and the oblong holes processed on the cross beam and the oblong holes processed on the supporting legs are crisscross.
3. Device for rapid assembly of a horizontal flange-type bridge according to claim 1 or 2, characterized in that,
and the perpendicularity between the side surface of the key groove machined by the cross beam and the upper surface of the cross beam is less than 0.05mm.
4. Device for rapid assembly of a horizontal flange-type bridge according to claim 1 or 2, characterized in that,
the wheel seat is of an I-beam lying structure, a wire hole is reamed on the I-beam cover plate, a key groove is machined on the web plate, and the perpendicularity between the side face of the key groove and the bottom face of the I-beam Liang Zhitui is smaller than 0.05mm.
5. Device for rapid assembly of a horizontal flange-type bridge according to claim 1 or 2, characterized in that,
the flat key is a strip-shaped piece subjected to thermal refining and is fixed in key grooves of the cross beam and the wheel seat.
6. Device for rapid assembly of a horizontal flange-type bridge according to claim 1 or 2, characterized in that,
the foundation is a supporting structure formed by assembling the processed bolts and finished nuts.
7. Device for rapid assembly of a horizontal flange-type bridge according to claim 1 or 2, characterized in that,
the safety block is a wedge block made of wood or steel.
8. A method of using the apparatus for rapid assembly of a horizontal flange-type bridge according to claim 1, comprising the steps of:
s1, placing two groups of devices for quickly assembling the horizontal flange type bridge on a horizontal working surface, connecting the ground feet with supporting legs, connecting the supporting legs with a cross beam, and adjusting the ground feet to enable the levelness of the upper surface of the complete device to be smaller than 1mm;
s2, adjusting two groups of devices for quickly assembling the horizontal flange type bridge so that the span of the device is the same as that of the main beam, and the error is less than or equal to 1mm; adjusting the diagonal position to ensure that the error is less than or equal to 1mm;
s3, assembling the wheel seat and the cross beam together through a flat key, hoisting the end beam to clamp the wheels in the wheel seat groove, and tightly propping the wheels through the wheel seat screw holes by utilizing bolts, wherein the six technical requirements of the end beam, namely levelness, verticality, height difference, diagonal line, span and homohead, are ensured by two groups of devices for rapidly assembling the horizontal flange type bridge frame and are not regulated any more;
s4, hoisting the main beam, and only adjusting two technical requirements of the main beam, namely the horizontal and the track gauge, to finish the adjustment.
9. The apparatus for rapid assembly of a horizontal flange-type bridge according to claim 8, wherein,
the adjustment of the span and diagonal positions in step S2 is achieved by the positions of the bolt holes machined in the cross beam and the legs.
10. The apparatus for rapid assembly of a horizontal flange-type bridge according to claim 9, wherein,
the bolt hole of processing on the crossbeam is horizontal slotted hole, the bolt hole of processing on the landing leg is vertical slotted hole.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811038321.5A CN109052161B (en) | 2018-09-06 | 2018-09-06 | Device for quickly assembling horizontal flange type bridge and application method thereof |
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| CN201811038321.5A CN109052161B (en) | 2018-09-06 | 2018-09-06 | Device for quickly assembling horizontal flange type bridge and application method thereof |
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| CN109052161B true CN109052161B (en) | 2023-07-25 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105800476A (en) * | 2016-05-18 | 2016-07-27 | 山东电力建设第工程公司 | Multifunctional combined crane |
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| CN109052161A (en) | 2018-12-21 |
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