CN211006367U - Cantilever type load-bearing structure of bridge girder erection machine - Google Patents
Cantilever type load-bearing structure of bridge girder erection machine Download PDFInfo
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- CN211006367U CN211006367U CN201921753775.0U CN201921753775U CN211006367U CN 211006367 U CN211006367 U CN 211006367U CN 201921753775 U CN201921753775 U CN 201921753775U CN 211006367 U CN211006367 U CN 211006367U
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- 229910000831 Steel Inorganic materials 0.000 claims description 19
- 239000010959 steel Substances 0.000 claims description 19
- 230000007246 mechanism Effects 0.000 claims description 10
- 238000004804 winding Methods 0.000 claims description 7
- 230000006978 adaptation Effects 0.000 claims description 4
- 238000005260 corrosion Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 6
- 241000288140 Gruiformes Species 0.000 description 5
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- 238000006073 displacement reaction Methods 0.000 description 2
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- 210000001503 joint Anatomy 0.000 description 2
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- 241000124872 Grus grus Species 0.000 description 1
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
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- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 238000004806 packaging method and process Methods 0.000 description 1
- 239000011513 prestressed concrete Substances 0.000 description 1
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Abstract
The utility model discloses a bridge crane cantilever type load-bearing structure, including the preliminary bracing frame, fastening fastener, the hoist engine, the connecting rod, the linkage plate, the upper end of preliminary bracing frame is fixed with two back landing legs and a support sloping arm respectively, one of them back landing leg is connected through fastening fastener and is installed the bearing movable rod, the plummer is connected to the expansion end of bearing movable rod, back landing leg and the upper end fixedly connected with linking platform of supporting the sloping arm, the upper end of plummer is provided with the second hydraulic stem, the one end of second hydraulic stem is provided with the pneumatic cylinder, the surface mounting of second hydraulic stem has the clamp work piece, and the one end of clamp work piece is welded fastening with the hoist engine, the lower extreme of hoist engine is provided with the gyro wheel, the surface of plummer is opened flutedly; the utility model discloses the cantilever type structure of symmetry can save material, reduces the space, and the overturning moment that the power that both ends cantilever bore formed can offset mutually to can be along with rotation range self-adaptation angle regulation when the girder is crooked.
Description
Technical Field
The utility model belongs to the technical field of the bridging machine, specificly a bridging machine cantilever type load-carrying members.
Background
The bridge erecting machine is a device for placing a prefabricated pre-supported beam on a prefabricated pier, belongs to the category of cranes, and has the main functions of lifting the pre-supported beam, then conveying the pre-supported beam to a position and then putting down the pre-supported beam, has very different requirements from a common crane, has strict conditions and travels on the pre-supported beam or is longitudinally moved, and is divided into a public road bridge, a conventional railway bridge, a passenger special railway bridge and the like, a crane jib is a bearing main beam of the bridge erecting machine and is a double-box-girder structure, each box girder is designed into a box-shaped variable-section form according to the stress working condition and finite element analysis and calculation of the crane jib, three bridge erecting machines which are commonly used in China are used for erecting reinforcing steel bars or prestressed concrete beams in a split mode, a single-beam bridge erecting machine is a box girder and is suspended forwards, a stand column capable of being folded and a double-cantilever type bridge erecting machine are arranged at the front end of the single-beam erecting machine, the bridge girder erection machine can not be driven by a locomotive, a front arm is used for hanging a beam, a rear arm is used for hanging a balance weight, and the front arm and the rear arm can not swing in a horizontal plane.
The existing bridge girder erection machine bearing structure has certain disadvantages in the use process, the supporting leg structures at two ends of a traditional bridge girder erection machine suspension pre-supporting beam are too big, the occupied space is large, the whole weight is heavier, the deflection of the main beam is increased when holes are crossed, a corresponding structure needs to be added on the main beam in order to increase the rigidity of the main beam, the whole weight is further increased, the field operation and the special transportation are inconvenient, and when the main beam is inclined, the tray placement cannot be self-adaptive to the rotating angle of the main beam.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a frame bridge crane cantilever type load-bearing structure mainly solves following technical problem:
1) the bottom tray is movably connected with the tray through the round shaft, when the oil cylinders of the supporting legs transversely move for different positions and distances, the main beam is inclined, the tray can be self-adapted to the rotating angle of the main beam, so that hard friction and collision among objects are prevented, the damage rate of the parts is reduced, and the service life of the parts is prolonged;
2) the hoist engine passes through the gyro wheel to be installed on the plummer, the second hydraulic stem has been installed to one side of plummer, the expansion end of second hydraulic stem passes through the clamp work piece and is connected fixedly with the hoist engine, when the second hydraulic stem is by pneumatic cylinder drive, can be to the hoist engine production effort rather than being connected, the hoist engine takes place the position through the gyro wheel of bottom to one side this moment and removes, the hoist engine passes through the cable wire and is connected with the linkage plate, the hoist engine follows to take place horizontal position change when carrying out the position removal, the lateral displacement who has realized the pre-supporting roof beam changes, with this position that adapts to the girder, thereby satisfy more work demands.
3) The cantilever type structure is composed of the pre-supporting frame, the rear supporting leg, the supporting oblique arm, the connecting table and the bearing table, the cantilever type structure is symmetrically distributed, the bearing table is used for supporting the pre-supporting beam, the connecting table, the rear supporting leg, the supporting oblique arm and the pre-supporting frame are used for offsetting torque generated by the bearing table through supporting, the cantilever type structure has the advantages that the supporting structure is light in weight, the relative structure is not needed to be arranged to prevent the main beam from being high in disturbance degree, materials are saved, the space is reduced, and overturning torque formed by forces borne by the cantilevers at two ends can be offset mutually.
The purpose of the utility model can be realized by the following technical scheme:
the utility model provides a bridge crane cantilever type load-bearing structure, includes support frame, fastening fastener in advance, hoist engine, connecting rod, links up the fishplate bar, the upper end of support frame fixed mounting respectively has two back landing legs and a support sloping arm in advance, one of them back landing leg passes through fastening fastener to be connected and installs the bearing movable rod, and the plummer is connected to the expansion end of bearing movable rod, back landing leg links up the platform with the upper end fixedly connected with that supports the sloping arm
The upper end of the bearing table is provided with a second hydraulic rod, one end of the second hydraulic rod is provided with a hydraulic cylinder, the outer surface of the second hydraulic rod is provided with a clamp workpiece, one end of the clamp workpiece is welded and fixed with a winch, the lower end of the winch is provided with rollers, the surface of the bearing table is provided with a groove, the winch is placed in the groove of the bearing table through the rollers, the surface of the winch is wound with a steel cable, the surface of the connecting plate is provided with four groups of through holes, winding rods are arranged in the through holes, and the tail end of the steel cable is wound and installed on the winding rods of the connecting plate;
the landing leg is installed to the one end of connecting rod, the landing leg is hydraulic lifting rod, and the upper end and the plummer of landing leg are connected, the diagonal brace is installed to the inboard of landing leg, the upper end fixed mounting of diagonal brace has firm support plate, the upper end of firm support plate is provided with erroneous tendency adaptation mechanism, and erroneous tendency adaptation mechanism is including putting dish, pulley, bottom tray, circle axle, put the dish and pass through circle axle and tray movable mounting, put the surface of dish and seted up four group's part holes, the pulley is installed in putting the part hole of dish.
As a further aspect of the present invention: the inboard of firm support plate is provided with two sets of first hydraulic stem, the pneumatic cylinder is installed to the one end of first hydraulic stem, the flexible activity of end and the contact of bottom tray of first hydraulic stem.
As a further aspect of the present invention: the inclined supporting rods, the stable supporting plate and the deviation adapting mechanism form a clamping and fixing device, the clamping and fixing devices are two groups which are distributed at different height positions of the supporting legs in a mirror image mode, and a certain interval exists between the two groups of clamping and fixing devices.
As a further aspect of the present invention: the number of the steel cables is four, and the two steel cables are connected with the windlass at the corresponding position in a group.
As a further aspect of the present invention: the number of the pulleys is four, the pulleys are respectively positioned on the periphery of the tray and are arranged in parallel.
As a further aspect of the present invention: the bottom tray is installed in the upper end of firm support plate through the joint interface butt joint of bottom, and the surface that stabilizes the support plate is the smooth surface.
As a further aspect of the present invention: the pre-supporting frame, the rear supporting leg, the supporting oblique arm, the connecting table and the bearing table form a cantilever type structure, and the cantilever type structure is symmetrically distributed.
As a further aspect of the present invention: the connecting table and the bearing table comprise guardrails, and anti-skid stripes are arranged on the surfaces of the connecting table and the bearing table.
As a further aspect of the present invention: an inclination angle of thirty-five degrees is formed between the supporting oblique arm and the pre-supporting frame, and the surfaces of the supporting oblique arm and the pre-supporting frame are coated with anti-corrosion layers.
As a further aspect of the present invention: the outer walls of the rear supporting leg, the supporting oblique arm and the connecting table are provided with threaded holes, and the rear supporting leg, the supporting oblique arm and the connecting table are fixedly installed through bolts.
The utility model has the advantages that:
1. before the lifting adjustment, a worker can adjust the transverse position of the connecting plate firstly, the winch is installed on the bearing table through the idler wheel, meanwhile, the winch is fixedly connected with the movable end of the second hydraulic rod through the clamp workpiece, the second hydraulic rod is powered by the hydraulic cylinder to move back and forth, so that the transverse positions of the winch, the steel cable and the connecting plate are controlled, the transverse positions of the winch, the steel cable and the connecting plate are adapted to the position of the main beam, and working requirements under different states are met.
2. The bottom tray is movably connected with the tray through the circular shaft, when the oil cylinders of the supporting legs transversely move for different positions and distances, the main beam is inclined, the tray can be self-adaptive to the rotating angle of the main beam at the moment, so that hard friction and collision between objects are prevented, the damage rate of the parts is reduced, and the service life of the parts is prolonged.
3. The cantilever type structure is composed of the pre-supporting frame, the rear supporting leg, the supporting oblique arm, the connecting table and the bearing table, the cantilever type structure is symmetrically distributed, the bearing table is used for supporting the pre-supporting beam, the connecting table, the rear supporting leg, the supporting oblique arm and the pre-supporting frame are used for offsetting torque generated by the bearing table through supporting, the cantilever type structure has the advantages that the supporting structure is light in weight, the relative structure is not needed to be arranged to prevent the main beam from being high in disturbance degree, materials are saved, the space is reduced, and overturning torque formed by forces borne by the cantilevers at two ends can be offset mutually.
Drawings
The present 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 partial enlarged view of the present invention.
Fig. 3 is a top view of the carrier table of the present invention.
Fig. 4 is a schematic view of the present invention.
Fig. 5 is an enlarged view of a in fig. 2 according to the present invention.
In the figure 1, a pre-support frame; 2. a rear leg; 3. a first hydraulic lever; 4. a joining station; 5. a bearing table; 6. a supporting oblique arm; 7. fastening a fastener; 8. pre-supporting a beam; 9. a second hydraulic rod; 10. clamping a workpiece; 11. a winch; 12. a steel cord; 13. a connecting rod; 14. a connector tile; 15. a support leg; 16. an auxiliary support bar; 17. a circular shaft; 18. a diagonal brace; 19. a stable support plate; 20. placing a plate; 21. a pulley; 22. a bottom tray; 23. and a roller.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1-5, a cantilever type load-bearing structure of a bridge girder erection machine comprises a pre-supporting frame 1, a fastening fastener 7, a winch 11, a connecting rod 13 and a connecting plate 14, wherein two rear legs 2 and a supporting oblique arm 6 are respectively and fixedly installed at the upper end of the pre-supporting frame 1, one of the rear legs 2 is connected with a load-bearing movable rod through the fastening fastener 7, the movable end of the load-bearing movable rod is connected with a bearing platform 5, and the upper ends of the rear leg 2 and the supporting oblique arm 6 are fixedly connected with a connecting platform 4;
the upper end of the bearing platform 5 is provided with a second hydraulic rod 9, one end of the second hydraulic rod 9 is provided with a hydraulic cylinder, the hydraulic cylinder generates power to be matched with the second hydraulic rod 9 to realize the back and forth operation, the outer surface of the second hydraulic rod 9 is provided with a clamp workpiece 10, one end of the clamp workpiece 10 is fixedly welded with a winch 11, the winch 11 is fixedly connected with the second hydraulic rod 9 through the clamp workpiece 10, meanwhile, the clamp workpiece 10 comprises a bolt, the disassembly and the assembly of components can be convenient, the lower end of the winch 11 is provided with a roller 23, the arranged roller 23 can play a role of reducing friction force, the position of the winch 11 can be more conveniently moved, the device has a labor-saving effect, the surface of the bearing platform 5 is provided with a groove, the winch 11 is placed in the groove of the bearing platform 5 through the roller 23, the roller 23 can play a role of preventing derailment in the groove, the surface of the winch 11 is connected with a steel cable 12 in a winding mode, four groups of through holes are formed in the surface of the connecting plate 14, winding rods are arranged in the through holes, the tail end of the steel cable 12 is wound and installed on the winding rods of the connecting plate 14, and when the winch 11 connected with the steel cable 12 is changed in the transverse position, the connecting plate 14 connected with the steel cable 12 is changed in the same position along with the steel cable 12, so that the transverse adjustment of the pre-supported beam 8 is completed;
one end of the connecting rod 13 is provided with a landing leg 15, the landing leg 15 is a hydraulic lifting rod, a hydraulic cylinder provides power to control the lifting of the landing leg 15, in the lifting process, the bearing platform 5 and the connecting plate 14 which are related to the landing leg 15 have the same height change, the upper end of the landing leg 15 is connected with the bearing platform 5, the inner side of the landing leg 15 is provided with an inclined strut 18, the upper end of the inclined strut 18 is fixedly provided with a stable supporting plate 19, the upper end of the stable supporting plate 19 is provided with a deviation adapting mechanism, the deviation adapting mechanism comprises a placing disc 20, a pulley 21, a bottom tray 22 and a circular shaft 17, the placing disc 20 is movably arranged with the bottom tray 22 through the circular shaft 17, so that the placing disc 20 can change the angle along with the pre-supporting beam 8, the unnecessary abrasion caused by the direct friction between the pre-supporting beam 8 and the placing disc 20 is prevented, the surface of the placing disc, the surface of the pulley 21 can contact with the pre-support beam 8, so that the effects of reducing friction force and friction area are achieved, and longitudinal output of the pre-support beam 8 is facilitated.
Two groups of first hydraulic rods 3 are arranged on the inner side of the stable support plate 19, a hydraulic cylinder is arranged at one end of each first hydraulic rod 3, and the tail end of each first hydraulic rod 3 is in telescopic motion to be in contact with the bottom tray 22; the inclined supporting rod 18, the stable supporting plate 19 and the deviation adapting mechanism form a clamping and fixing device, the clamping and fixing devices are two groups of clamping and fixing devices which are distributed at different height positions of the supporting leg 15 in a mirror image mode, and a certain interval is formed between the two groups of clamping and fixing devices; the number of the steel cables 12 is four, and two steel cables are connected with the winch 11 at the corresponding position in a group; the four pulleys 21 are respectively positioned on the periphery of the tray 20 and are arranged in parallel; the bottom tray 22 is installed at the upper end of the stable supporting plate 19 in a butt joint mode through a clamping interface at the bottom, and the surface of the stable supporting plate 19 is a smooth surface; the pre-support frame 1, the rear support leg 2, the support oblique arm 6, the connecting table 4 and the bearing table 5 form a cantilever type structure, and the cantilever type structure is symmetrically distributed;
the joining table 4 and the bearing table 5 comprise guardrails, and anti-skid stripes are arranged on the surfaces of the joining table 4 and the bearing table 5; an inclination angle of thirty-five degrees is formed between the supporting oblique arm 6 and the pre-supporting frame 1, and the surfaces of the supporting oblique arm 6 and the pre-supporting frame 1 are coated with anti-corrosion layers; threaded holes are formed in the outer walls of the rear supporting leg 2, the supporting oblique arm 6 and the linking table 4, and the rear supporting leg 2, the supporting oblique arm 6 and the linking table 4 are fixedly installed through bolts.
The working principle of the classification packaging device is as follows: when the lifting device works, the pre-supporting beams 8 are placed on the connecting plate 14, the pre-supporting beams 8 rotate by the windlass 11, the steel cables 12 lift upwards when rotating anticlockwise, the corresponding connecting plate 14 changes upwards to adjust the height of the pre-supporting beams 8 placed on the pre-supporting beams 8, the steel cables 12 fall downwards to change the position of the corresponding connecting plate 14 when rotating clockwise, a worker can adjust the transverse position of the connecting plate 14 before lifting adjustment, the windlass 11 is arranged on the bearing table 5 through the rollers 23, meanwhile, the windlass 11 is fixedly connected with the movable end of the second hydraulic rod 9 through the hoop workpiece 10, the second hydraulic rod 9 is powered by the hydraulic cylinder to move back and forth to control the transverse positions of the windlass 11, the steel cables 12 and the connecting plate 14, the working requirements under different states are met, the inclined support rods 18, the stable support plate 19 and the deviation adapting mechanism form a clamping and fixing device, the clamping and fixing devices are two groups of clamping and fixing devices which are distributed at different height positions of the supporting leg 15 in a mirror image mode, a certain interval is arranged between the two groups of clamping and fixing devices, the pre-supporting beams 8 with the adjusted heights can be placed in the interval, the pre-supporting beams 8 are particularly placed on the placing tray 20, the first hydraulic rods 3 are additionally arranged on the stable supporting plate 19, the first hydraulic rods 3 are symmetrically arranged at two sides of the stable supporting plate 19, each first hydraulic rod 3 corresponds to one hydraulic cylinder, the corresponding first hydraulic rod 3 powered by the hydraulic cylinder at one side extends to the position of the bottom tray 22 and is in contact with the bottom tray 22 to push the bottom tray 22 to one side to move transversely, when the first hydraulic rod 3 at one side stops, the first hydraulic rod 3 at the other side operates to push the bottom tray 22 to the opposite direction position, so that the reciprocating displacement of the transverse position of the pre-supporting beams 8 is aligned with the main beam, meanwhile, the bottom tray 22 is movably connected with the placing tray 20 through the round shaft 17, when the oil cylinders of the supporting legs 15 transversely move different positions and distances, the problem of deflection of the main beam can occur, at the moment, the placing tray 20 can be adaptive to the rotating angle of the main beam, so that hard friction and collision between objects are prevented, the damage rate of parts is reduced, the placing tray 20 is provided with the pulleys 21, direct friction between the pre-support beam 8 and the placing tray 20 can be avoided, the friction area and the friction force are reduced, the longitudinal conveying of the pre-support beam 8 is facilitated, the pre-support frame 1, the rear supporting legs 2, the supporting oblique arms 6, the linking table 4 and the bearing table 5 jointly form a cantilever type structure which is symmetrically distributed, the bearing table 5 is used for supporting the pre-support beam 8, the linking table 4, the rear supporting oblique arms 6 and the pre-support frame 1 are supported to offset the moment generated by the bearing table 5, the support structure has the characteristics of light weight, no need of setting a related structure to prevent the main beam from having large disturbance degree, materials are saved, the space is reduced, overturning moments formed by forces borne by the cantilevers at the two ends can be mutually offset, protective guards are arranged on the connecting table 4 and the bearing table 5, when a winch 11 on the bearing table 5 breaks down, maintenance can be carried out on the winch by a worker, the protective guards play a role in stabilizing and supporting, the worker on the winch can hold the protective guards to observe the problem of the winch 11, the support structure is safer, an auxiliary support rod 16 is additionally arranged between the bearing table 5 and the support leg 15, the auxiliary support rod 16 can play an auxiliary support role for a hydraulic rod, and the stability is enhanced.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., 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 is merely exemplary and illustrative of the structure of the invention, and various modifications, additions and substitutions as described in the detailed description may be made by those skilled in the art without departing from the structure or exceeding the scope of the invention as defined in the claims.
Claims (10)
1. The cantilever type load-bearing structure of the bridge girder erection machine is characterized by comprising a pre-supporting frame (1), fastening fasteners (7), a winch (11), a connecting rod (13) and a connecting plate (14), wherein two rear supporting legs (2) and a supporting oblique arm (6) are respectively and fixedly installed at the upper end of the pre-supporting frame (1), one of the rear supporting legs (2) is connected and installed with a bearing movable rod through the fastening fasteners (7), the movable end of the bearing movable rod is connected with a bearing platform (5), and the upper ends of the rear supporting legs (2) and the supporting oblique arm (6) are fixedly connected with a connecting platform (4);
the upper end of the bearing platform (5) is provided with a second hydraulic rod (9), one end of the second hydraulic rod (9) is provided with a hydraulic cylinder, the outer surface of the second hydraulic rod (9) is provided with a hoop workpiece (10), one end of the hoop workpiece (10) is welded and fixed with a winch (11), the lower end of the winch (11) is provided with a roller (23), the surface of the bearing platform (5) is provided with a groove, the winch (11) is placed in the groove of the bearing platform (5) through the roller (23), the surface of the winch (11) is wound with a steel cable (12), the surface of the connecting plate (14) is provided with four groups of through holes, winding rods are arranged in the through holes, and the tail end of the steel cable (12) is wound and installed on the winding rods of the connecting plate (14);
landing leg (15) are installed to the one end of connecting rod (13), landing leg (15) are hydraulic lifting rod, and the upper end and plummer (5) of landing leg (15) are connected, diagonal brace (18) are installed to the inboard of landing leg (15), the upper end fixed mounting of diagonal brace (18) has firm support plate (19), the upper end of firm support plate (19) is provided with partial adaptation mechanism, and partial adaptation mechanism is including putting set (20), pulley (21), bottom tray (22), circle axle (17), put set (20) through circle axle (17) and tray (22) movable mounting, put the surface of set (20) and seted up four group's part holes, pulley (21) are installed in putting the part hole of set (20).
2. A bridge girder erection machine cantilever type load-bearing structure according to claim 1, wherein the inner side of the stable supporting plate (19) is provided with two sets of first hydraulic rods (3), one end of the first hydraulic rods (3) is provided with a hydraulic cylinder, and the tail end of the first hydraulic rods (3) is in contact with the bottom tray (22) in a telescopic and movable manner.
3. The cantilever type load-bearing structure of bridge girder erection machine according to claim 2, wherein said inclined supporting rod (18), stable supporting plate member (19) and deviation adapting mechanism constitute clamping fixture, and the clamping fixture is divided into two groups distributed at different height positions of the supporting leg (15) in mirror image mode, and there is a certain space between the two groups of clamping fixture.
4. A cantilever type load-bearing structure of bridge girder erection machine according to claim 1 wherein said wire ropes (12) are four in number and two are installed in a group to connect with the hoist (11) at the corresponding position.
5. A cantilever type load-bearing structure of bridge girder erection machine according to claim 1, wherein said pulleys (21) are four in number, respectively located around the tray (20), and are placed in parallel with each other.
6. A cantilever type load-bearing structure of bridge girder erection machine according to claim 1, wherein said bottom tray (22) is butt-jointed mounted on the upper end of the stable supporting plate member (19) through the bottom snap-in interface, and the surface of the stable supporting plate member (19) is smooth.
7. A cantilever type load-bearing structure of bridge girder erection machine according to claim 1, wherein the pre-supporting frame (1), the rear supporting leg (2), the supporting oblique arm (6), the connecting platform (4) and the bearing platform (5) are combined to form a cantilever type structure, and the cantilever type structure is distributed symmetrically.
8. A bridge girder erection machine cantilever type load-bearing structure according to claim 1, wherein the joining platform (4) and the bearing platform (5) comprise guard rails, and the surfaces of the joining platform (4) and the bearing platform (5) are provided with anti-skid stripes.
9. A cantilever type load-bearing structure of bridge girder erection machine according to claim 1, wherein said supporting oblique arm (6) and the pre-supporting frame (1) are inclined at thirty-five degree angle, and the surface of the supporting oblique arm (6) and the pre-supporting frame (1) are coated with anti-corrosion layer.
10. The cantilever type load-bearing structure of the bridge girder erection machine according to claim 1, wherein the outer walls of the rear support leg (2), the supporting oblique arm (6) and the connecting platform (4) are provided with threaded holes, and the rear support leg (2), the supporting oblique arm (6) and the connecting platform (4) are fixedly installed through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921753775.0U CN211006367U (en) | 2019-10-18 | 2019-10-18 | Cantilever type load-bearing structure of bridge girder erection machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921753775.0U CN211006367U (en) | 2019-10-18 | 2019-10-18 | Cantilever type load-bearing structure of bridge girder erection machine |
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| Publication Number | Publication Date |
|---|---|
| CN211006367U true CN211006367U (en) | 2020-07-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921753775.0U Withdrawn - After Issue CN211006367U (en) | 2019-10-18 | 2019-10-18 | Cantilever type load-bearing structure of bridge girder erection machine |
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| CN (1) | CN211006367U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110593132A (en) * | 2019-10-18 | 2019-12-20 | 合肥正浩机械科技有限公司 | Cantilever type load-bearing structure of bridge girder erection machine |
-
2019
- 2019-10-18 CN CN201921753775.0U patent/CN211006367U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110593132A (en) * | 2019-10-18 | 2019-12-20 | 合肥正浩机械科技有限公司 | Cantilever type load-bearing structure of bridge girder erection machine |
| CN110593132B (en) * | 2019-10-18 | 2024-06-18 | 合肥正浩机械科技有限公司 | Cantilever type bearing structure of bridge girder erection machine |
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