CN111620225A - A trolley for girder steel bridging machine - Google Patents

A trolley for girder steel bridging machine Download PDF

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Publication number
CN111620225A
CN111620225A CN202010399205.7A CN202010399205A CN111620225A CN 111620225 A CN111620225 A CN 111620225A CN 202010399205 A CN202010399205 A CN 202010399205A CN 111620225 A CN111620225 A CN 111620225A
Authority
CN
China
Prior art keywords
movable
steel wire
cross beam
steel
adjusting device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010399205.7A
Other languages
Chinese (zh)
Inventor
李学智
伯睿飞
张顺
杨志强
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fourth Engineering Co Ltd of CCCC First Highway Engineering Co Ltd
Original Assignee
Fourth Engineering Co Ltd of CCCC First Highway Engineering Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fourth Engineering Co Ltd of CCCC First Highway Engineering Co Ltd filed Critical Fourth Engineering Co Ltd of CCCC First Highway Engineering Co Ltd
Priority to CN202010399205.7A priority Critical patent/CN111620225A/en
Publication of CN111620225A publication Critical patent/CN111620225A/en
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
    • B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
    • B66C1/12—Slings comprising chains, wires, ropes, or bands; Nets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C11/00—Trolleys or crabs, e.g. operating above runways
    • B66C11/02—Trolleys or crabs, e.g. operating above runways with operating gear or operator's cabin suspended, or laterally offset, from runway or track
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C11/00—Trolleys or crabs, e.g. operating above runways
    • B66C11/16—Rope, cable, or chain drives for trolleys; Combinations of such drives with hoisting gear
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C13/00—Other constructional features or details
    • B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
    • B66C13/08—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for depositing loads in desired attitudes or positions
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D2101/00—Material constitution of bridges
    • E01D2101/30—Metal

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Bridges Or Land Bridges (AREA)

Abstract

The invention discloses a trolley for a steel beam bridge girder erection machine, which comprises a cross beam, wherein a support rod is arranged at the bottom of the cross beam, a support table is arranged at the top of the cross beam, and first adjusting devices are arranged on two sides of an inner cavity of the support table. According to the invention, the two first steel wire ropes are arranged on the surface of the fixed sleeve on the supporting rod and are respectively adjusted through the two first adjusting devices, so that the relative heights of the two ends of the supporting rod can be adjusted according to requirements, and a steel beam can be well erected; meanwhile, when the steel beam supporting device is used, the supporting rods can extend towards two sides, the length of the supporting rods is increased, so that the steel beams with different sizes are adapted, the movable frames are arranged on the surfaces of the movable rods on the supporting rods and are hung on the cross beam through the second steel wire ropes, when the movable rods extend outwards to increase the length, the movable frames can slide along the surfaces of the movable rods, the movable frames keep the original positions still, the tightness of the second steel wire ropes does not need to be adjusted repeatedly, and time and labor are saved.

Description

A trolley for girder steel bridging machine
Technical Field
The invention relates to the field of bridge construction, in particular to a crane trolley for a steel beam bridge girder erection machine.
Background
In the process of constructing a large-span bridge, steel beam bridges such as a steel arch bridge, a cable-stayed bridge and a suspension bridge are erected by lifting steel beams by a crane and erecting the steel beams on stand columns. However, in the construction process of the existing bridge, the bridge is required to be obliquely arranged, namely, one side of the bridge is higher than the other side of the bridge, the existing crane lifts the bridge in a horizontal state, the relative angle of the two ends of the bridge is not adjustable, so that the bridge cannot be accurately assumed on an upright post after being erected, and the bridge needs to be adjusted for many times, which wastes time and labor.
Disclosure of Invention
In order to solve the defects in the prior art, the invention aims to provide a trolley for a steel beam bridge girder erection machine, two first steel wire ropes are arranged on the surface of a fixed sleeve on a support rod, and the two first steel wire ropes are respectively adjusted through two first adjusting devices, so that the relative heights of two ends of the support rod can be adjusted according to requirements, and a steel beam can be well erected;
meanwhile, when the steel beam supporting device is used, the supporting rods can extend towards two sides, the length of the supporting rods is increased, so that the steel beams with different sizes are adapted, the movable frames are arranged on the surfaces of the movable rods on the supporting rods and are hung on the cross beam through the second steel wire ropes, when the movable rods extend outwards to increase the length, the movable frames can slide along the surfaces of the movable rods, the movable frames keep the original positions still, the tightness of the second steel wire ropes does not need to be adjusted repeatedly, and time and labor are saved.
The purpose of the invention can be realized by the following technical scheme:
a trolley for a steel beam bridge girder erection machine comprises a cross beam, wherein a support rod is arranged at the bottom of the cross beam, a support table is arranged at the top of the cross beam, first adjusting devices are arranged on two sides of an inner cavity of the support table, and second adjusting devices are arranged on two sides of the support table and on the cross beam;
the supporting table comprises a plurality of supporting legs, the top ends of the supporting legs are fixedly connected with a bottom plate, fixing supports are welded around the bottom plate, the top of each fixing support is fixedly connected with a top plate, a bracket is arranged on one side of the bottom plate, handrails are arranged around the top of the bracket, and a control platform is arranged in the bracket;
the support rod comprises a fixed sleeve, the surface of the fixed sleeve is connected with a movable rod in a sliding manner, a hydraulic cylinder is installed in the fixed sleeve, and the movable end of the hydraulic cylinder is connected with the movable rod;
two fixed frames are arranged at the center of the top of the fixed sleeve in a mirror image mode, a first steel wire rope is wound in the first adjusting device, the first adjusting device is connected with the fixed frames through the first steel wire rope, movable frames are arranged at the tops of two ends of the movable rod, a second steel wire rope is wound in the second adjusting device, and the second adjusting device is connected with the movable frames through the second steel wire rope;
the first adjusting device comprises two fixing plates which are in mirror symmetry, a winding roller is rotatably connected between the two fixing plates, a driving motor is mounted on the surface of one fixing plate, an output shaft of the driving motor is connected with the winding roller, and the second adjusting device is identical to the first adjusting device in structure;
the bottom of the two ends of the movable rod is fixedly connected with a fixed block, and a hoisting sling is installed at the bottom of the fixed block.
Furthermore, a through hole is formed in the surface of the cross beam, and the first steel wire rope and the second steel wire rope both extend downwards through the cross beam through the through hole.
Furthermore, the movable frame is sleeved on the surface of the movable rod and is connected with the movable rod in a sliding manner.
Further, the adjustable shelf includes two splint, and the welding has the fixed axle between two splint, and the bottom welding of two splint has the limiting plate, and the movable groove with limiting plate matched with has been seted up on the surface of movable rod.
Furthermore, the bottom of the limiting plate is fixedly connected with a connecting rod, a guide wheel is rotatably connected in the connecting rod, and a sliding groove matched with the guide wheel is formed in the bottom of the movable groove.
Further, the jack-up hoist includes the mounting bracket, and the top fixedly connected with connecting block of mounting bracket, and the mounting bracket passes through the connecting block and links to each other with the fixed block, and the inner chamber of mounting bracket is provided with the hoist running roller, and the surface of hoist running roller is provided with the roller bearing, and the hoist running roller passes through the roller bearing and is connected with the mounting bracket rotation.
The invention has the beneficial effects that:
1. according to the invention, the two first steel wire ropes are arranged on the surface of the fixed sleeve on the supporting rod and are respectively adjusted through the two first adjusting devices, and under the condition that one steel wire rope is kept still, the other driving device is started, and the driving device tightens the steel wire ropes, so that the supporting rod at the end is tilted upwards, the relative heights of the two ends of the supporting rod can be adjusted according to requirements, and a steel beam can be well erected;
2. in the invention, the supporting rods can extend towards two sides, the length of the supporting rods is increased, so that the supporting rods are suitable for steel beams with different sizes, the movable frames are arranged on the surfaces of the movable rods on the supporting rods, the movable frames are hung on the cross beam through the second steel wire rope, and the second steel wire rope can support the movable rods and prevent the movable rods from being broken.
3. When the movable rod is used, when the movable rod extends outwards to increase the length, the movable frame can slide along the surface of the movable rod, the movable frame keeps in the original position and is relatively immobile, and under the condition that the tightness of the second steel wire rope is not repeatedly adjusted, the second steel wire rope keeps supporting force on the movable rod, so that time and labor are saved.
Drawings
The invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a support platform according to the present invention;
FIG. 3 is a schematic view of the connection between the support bar and the movable frame according to the present invention;
FIG. 4 is a schematic view of a support bar according to the present invention;
FIG. 5 is a cross-sectional view of a support pole of the present invention;
FIG. 6 is a schematic view of the structure of the movable frame of the present invention;
figure 7 is a schematic view of the construction of a lifting spreader according to the present invention.
In the figure: 1. a cross beam; 2. a support bar; 21. fixing the sleeve; 22. a movable rod; 221. a movable groove; 23. a hydraulic cylinder; 3. a support table; 31. supporting legs; 32. a base plate; 33. fixing a strut; 34. a top plate; 35. a bracket; 36. a railing; 37. a control platform; 4. a first adjusting device; 41. a fixing plate; 411. a first wire rope; 42. a winding roller; 43. a drive motor; 5. a second adjustment device; 511. a second wire rope; 6. a fixed mount; 7. a movable frame; 71. a splint; 72. a fixed shaft; 73. a limiting plate; 74. a connecting rod; 75. a guide wheel; 8. a fixed block; 9. hoisting a sling; 91. a mounting frame; 92. connecting blocks; 93. a spreader roller; 94. and (4) rolling shafts.
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.
In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.
A trolley for a steel beam bridge girder erection machine comprises a cross beam 1, a support rod 2 is arranged at the bottom of the cross beam 1, a support platform 3 is arranged at the top of the cross beam 1, first adjusting devices 4 are respectively arranged at two sides of an inner cavity of the support platform 3, second adjusting devices 5 are respectively arranged at two sides of the support platform 3 and on the cross beam 1, the support platform 3 comprises a plurality of support legs 31, a bottom plate 32 is fixedly connected at the top ends of the support legs 31, fixed support columns 33 are welded around the bottom plate 32, a top plate 34 is fixedly connected at the tops of the fixed support columns 33, a bracket 35 is arranged at one side of the bottom plate 32, railings 36 are respectively arranged around the tops of the bracket 35, a control platform 37 is arranged, the first adjusting device 4 and the second adjusting device 5 can be controlled by the control platform 37, and a crane is connected to the outside of the control platform, so that the whole crane trolley can be lifted upwards.
As shown in fig. 2 and 3, the first adjusting device 4 includes two fixing plates 41 which are mirror-symmetrical, a winding roller 42 is rotatably connected between the two fixing plates 41, a driving motor 43 is mounted on a surface of one fixing plate 41, an output shaft of the driving motor 43 is connected with the winding roller 42, and the second adjusting device 5 is identical in structure to the first adjusting device 4.
As shown in fig. 3 and 4, two fixed frames 6 are arranged at the center of the top of the fixed sleeve 21 in a mirror image manner, a first steel wire rope 411 is wound in the first adjusting device 4, the first adjusting device 4 is connected with the fixed frames 6 through the first steel wire rope 411, the movable frames 7 are arranged at the tops of two ends of the movable rod 22, a second steel wire rope 511 is wound in the second adjusting device 5, the second adjusting device 5 is connected with the movable frames 7 through the second steel wire rope 511, a through hole is formed in the surface of the beam 1, the first steel wire rope 411 and the second steel wire rope 511 both extend downwards through the beam 1 through the through hole, one end of the first steel wire rope 411 is fixed in the winding roller 42, the other end of the first steel wire rope passes through the bottom of the fixed frame 6 to lift the fixed frames 6 and then is fixed on the surface of the winding roller 42, when the driving motor 43 is started, the, thereby can carry out the regulation of angle to bracing piece 2, the equal fixedly connected with fixed block 8 in movable rod 22's both ends bottom, hoist 9 is installed to the bottom of fixed block 8, after hoisting the girder steel, can be according to the inclination that the girder steel needs, adjusting device through both sides is adjusted two wire rope's elasticity, make bracing piece 2 take place to deflect relatively, the one end perk that makes progress of bracing piece 2, thereby guarantee the top parallel and level of girder steel and bridge post, be convenient for erect the girder steel.
As shown in fig. 4 and 5, the support rod 2 includes a fixed sleeve 21, a movable rod 22 is slidably connected to the surface of the fixed sleeve 21, a hydraulic cylinder 23 is installed in the fixed sleeve 21, and the movable end of the hydraulic cylinder 23 is connected to the movable rod 22, the hydraulic cylinder 23 is activated, and the hydraulic cylinder 23 can push the movable rod 22 to slide in the fixed sleeve 21, so that the support rod 2 can extend and retract to two sides according to the size of the steel beam.
As shown in fig. 4 and 6, the movable frame 7 is sleeved on the surface of the movable rod 22, and the movable frame 7 is slidably connected to the movable rod 22, the movable frame 7 includes two clamping plates 71, a fixing shaft 72 is welded between the two clamping plates 71, a limiting plate 73 is welded at the bottom of the two clamping plates 71, a movable groove 221 matched with the limiting plate 73 is formed in the surface of the movable rod 22, a connecting rod 74 is fixedly connected to the bottom of the limiting plate 73, a guide wheel 75 is rotatably connected to the connecting rod 74, a sliding groove matched with the guide wheel 75 is formed in the bottom of the movable groove 221, when the support rod 2 extends towards two sides, the movable frame 7 can slide along the movable groove 221 on the surface of the movable rod 22, so that the movable frame 7 keeps still relative to the second adjusting device 5, and the supporting force of the second steel wire rope 511 on the movable.
As shown in fig. 7, the lifting sling 9 includes a mounting frame 91, a connecting block 92 is fixedly connected to the top of the mounting frame 91, the mounting frame 91 is connected to the fixing block 8 through the connecting block 92, a sling roller 93 is disposed in an inner cavity of the mounting frame 91, a roller 94 is disposed on the surface of the sling roller 93, and the sling roller 93 is rotatably connected to the mounting frame 91 through the roller 94.
When the lifting device is used, the length of the supporting rod 2 is adjusted according to the size of a bridge, the hydraulic cylinder 23 is started, the hydraulic cylinder 23 pushes the movable rod 22 to slide in the fixed sleeve 21, so that the length change of the supporting rod 2 is realized, meanwhile, when the length of the supporting rod 2 is adjusted, the movable frame 7 can slide along the movable groove 221 on the surface of the movable rod 22, so that the movable frame 7 is kept still relative to the second adjusting device 5 and is always positioned under the second adjusting device 5, the supporting force of the second steel wire rope 511 on the movable rod 22 is ensured to be unchanged, a lifting rope is wound around the roller 93 and is fixed on a steel beam, an external crane is started to lift the lifting trolley upwards, so that the lifting trolley and the steel beam are suspended, the angle of the steel beam is adjusted according to the slope of the surface of a bridge column, and by starting the first adjusting device 4 and the second adjusting device 5 on one side, make the one side perk that makes bracing piece 2 to change the angle of girder steel, be convenient for erect the girder steel in the top of bridge column.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.

Claims (6)

1. A trolley for a steel beam bridge girder erection machine comprises a cross beam (1) and is characterized in that a support rod (2) is arranged at the bottom of the cross beam (1), a support table (3) is arranged at the top of the cross beam (1), first adjusting devices (4) are respectively arranged on two sides of an inner cavity of the support table (3), and second adjusting devices (5) are respectively arranged on two sides of the support table (3) and the cross beam (1);
the supporting table (3) comprises a plurality of supporting legs (31), the top ends of the supporting legs (31) are fixedly connected with a bottom plate (32), fixed supports (33) are welded around the bottom plate (32), the top parts of the fixed supports (33) are fixedly connected with a top plate (34), one side of the bottom plate (32) is provided with a bracket (35), railings (36) are arranged around the top parts of the bracket (35), and a control platform (37) is arranged in the bracket (35);
the support rod (2) comprises a fixed sleeve (21), a movable rod (22) is connected to the surface of the fixed sleeve (21) in a sliding mode, a hydraulic cylinder (23) is installed in the fixed sleeve (21), and the movable end of the hydraulic cylinder (23) is connected with the movable rod (22);
two fixed frames (6) are arranged at the center of the top of the fixed sleeve (21) in a mirror image mode, a first steel wire rope (411) is wound in the first adjusting device (4), the first adjusting device (4) is connected with the fixed frames (6) through the first steel wire rope (411), movable frames (7) are arranged at the tops of two ends of the movable rod (22), a second steel wire rope (511) is wound in the second adjusting device (5), and the second adjusting device (5) is connected with the movable frames (7) through the second steel wire rope (511);
the first adjusting device (4) comprises two fixing plates (41) which are in mirror symmetry, a winding roller (42) is rotatably connected between the two fixing plates (41), a driving motor (43) is mounted on the surface of one fixing plate (41), the output shaft of the driving motor (43) is connected with the winding roller (42), and the second adjusting device (5) and the first adjusting device (4) are identical in structure;
the bottom parts of the two ends of the movable rod (22) are fixedly connected with fixing blocks (8), and a hoisting hanger (9) is installed at the bottom of each fixing block (8).
2. The trolley for the steel beam bridge girder erection machine according to claim 1, wherein a through hole is opened on the surface of the cross beam (1), and the first steel wire rope (411) and the second steel wire rope (511) both extend downwards through the cross beam (1) through the through hole.
3. The trolley for the steel beam bridge girder erection machine according to claim 1, wherein the movable frame (7) is sleeved on the surface of the movable rod (22), and the movable frame (7) is slidably connected with the movable rod (22).
4. The trolley according to claim 1 or 3, wherein the movable frame (7) comprises two clamping plates (71), a fixed shaft (72) is welded between the two clamping plates (71), a limiting plate (73) is welded at the bottom of each clamping plate (71), and a movable groove (221) matched with the limiting plate (73) is formed in the surface of the movable rod (22).
5. The trolley according to claim 4, wherein a connecting rod (74) is fixedly connected to the bottom of the limiting plate (73), a guide wheel (75) is rotatably connected to the connecting rod (74), and a sliding groove matched with the guide wheel (75) is formed in the bottom of the movable groove (221).
6. The trolley for the steel beam bridge girder erection machine according to claim 1, wherein the lifting sling (9) comprises a mounting frame (91), a connecting block (92) is fixedly connected to the top of the mounting frame (91), the mounting frame (91) is connected with the fixing block (8) through the connecting block (92), a sling roller (93) is arranged in an inner cavity of the mounting frame (91), a rolling shaft (94) is arranged on the surface of the sling roller (93), and the sling roller (93) is rotatably connected with the mounting frame (91) through the rolling shaft (94).
CN202010399205.7A 2020-05-12 2020-05-12 A trolley for girder steel bridging machine Pending CN111620225A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010399205.7A CN111620225A (en) 2020-05-12 2020-05-12 A trolley for girder steel bridging machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010399205.7A CN111620225A (en) 2020-05-12 2020-05-12 A trolley for girder steel bridging machine

Publications (1)

Publication Number Publication Date
CN111620225A true CN111620225A (en) 2020-09-04

Family

ID=72267958

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010399205.7A Pending CN111620225A (en) 2020-05-12 2020-05-12 A trolley for girder steel bridging machine

Country Status (1)

Country Link
CN (1) CN111620225A (en)

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