CN217148397U - Bridge deck crane with novel lifting and positioning device - Google Patents
Bridge deck crane with novel lifting and positioning device Download PDFInfo
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- CN217148397U CN217148397U CN202221744560.4U CN202221744560U CN217148397U CN 217148397 U CN217148397 U CN 217148397U CN 202221744560 U CN202221744560 U CN 202221744560U CN 217148397 U CN217148397 U CN 217148397U
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Abstract
The utility model discloses a bridge deck crane with a novel lifting and positioning device, which comprises a main truss, a lifting device and a walking system, wherein the main truss comprises two diamond trusses which are oppositely arranged; each rhombic truss corresponds to a group of lifting devices and a group of positioning devices respectively, each lifting device comprises a steel wire rope winding system and a lifting appliance, each steel wire rope winding system comprises a winch, a fixed pulley block, a movable pulley block and a striding guide wheel, each positioning device comprises a longitudinal moving base capable of sliding along the length direction of the bearing beam, two transverse moving bases capable of synchronously sliding along the width direction of the bearing beam in the same direction are arranged on the longitudinal moving bases, the fixed pulley blocks are installed on the two transverse moving bases respectively, and the striding guide wheel is installed on the longitudinal moving sliding base and located between the two groups of fixed pulley blocks; the movable pulley block is arranged on the lifting appliance, and the lifting appliance is hung at the tail end of the steel wire rope through the movable pulley block. The utility model discloses can solve the current steel box girder segment and assemble the inconvenient problem of lateral position adjustment in the construction.
Description
Technical Field
The utility model relates to a hoist technical field especially relates to a bridge floor hangs with novel promotion and positioning device.
Background
A bridge deck crane is a bridge deck cantilever hanger bridge crane, which is mainly used for assembling construction of steel box girders or other standard girder sections of highways and river-crossing and sea-crossing bridges.
In the assembly construction of the steel box girder segment, in order to enable the bridge deck crane to conveniently adjust the butt joint of the steel box girder, the traditional bridge deck crane is often designed into a variable amplitude mechanism so as to enable the steel box girder segment to fall to a designed position, but the position of the steel box girder segment cannot be transversely adjusted under the condition that the height position of the variable amplitude mechanism bridge deck crane is unchanged, so that the steel box girder segment is inconvenient to align.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a bridge crane with novel promotion and positioning device for solve the current steel box girder segment and assemble the inconvenient problem of lateral position adjustment in the construction.
In order to solve the problem, the utility model adopts the following technical scheme:
a bridge deck crane with a novel lifting and positioning device comprises a main truss, a lifting device and a traveling system,
the main truss comprises two opposite rhombic trusses, a connecting rod is horizontally fixed between the rhombic trusses, and each rhombic truss comprises a bearing beam, a lower cross rod, a rear oblique rod, an upright rod and a front oblique rod;
each rhombic truss corresponds to a group of lifting devices and a group of positioning devices respectively, each lifting device comprises a steel wire rope winding system and a lifting appliance, each steel wire rope winding system comprises a winch, a fixed pulley block, a movable pulley block and a striding guide wheel, each positioning device comprises a longitudinal moving base capable of sliding along the length direction of a bearing beam, two transverse moving bases capable of synchronously sliding along the width direction of the bearing beam in the same direction are arranged on the longitudinal moving bases, each winch is arranged at the end part of a lower cross rod far away from the lifting appliance, the fixed pulley blocks are arranged on the two transverse moving bases respectively, the striding guide wheel is arranged on the longitudinal moving sliding base and is positioned between the two groups of fixed pulley blocks, and the axial direction of the striding guide wheel is perpendicular to the axial direction of the fixed pulley blocks; the movable pulley block is arranged on the lifting appliance, and the lifting appliance is hung at the tail end of the steel wire rope through the movable pulley block.
Optionally, the steel wire rope winding system further comprises a traveling guide wheel, a support frame is mounted at the end, close to the winch, of the carrier beam, a traveling wheel shaft is fixed on the support frame, the traveling guide wheel is sleeved on the traveling wheel shaft, the traveling guide wheel is connected with the traveling wheel shaft in a sliding manner, and the axis of the traveling wheel shaft is parallel to the axis of the fixed pulley block.
Optionally, a wing beam is fixed on each of two sides of each carrier beam, the wing beams are arranged in parallel with the carrier beams, a sliding guide wheel and a rope tail weight sensor are respectively arranged on two sides of each carrier beam, a steel wire rope wound out by a winch is sequentially connected with a movable pulley block and a fixed pulley block after being steered by the sliding guide wheel, a hanging frame is respectively connected onto the sliding guide wheel and the rope tail weight sensor, the hanging frame is connected with the wing beams in a sliding manner, the hanging frame is detachably connected with the bottom of a longitudinal moving base through a connecting rod, positioning holes are uniformly arranged on the wing beams along the length direction of the wing beams at intervals, and positioning pin shafts capable of penetrating through sliding grooves are installed on the hanging frame.
Optionally, a longitudinal movement sliding seat is fixed at the bottom of the longitudinal movement base, a longitudinal movement sliding rail is fixed on the bearing beam along the length direction of the bearing beam, the longitudinal movement sliding seat is connected with the longitudinal movement sliding rail in a sliding manner, and a push-pull oil cylinder is installed between the longitudinal movement base and the bearing beam; a transverse moving oil cylinder is arranged between the two transverse moving bases, a cylinder barrel of the transverse moving oil cylinder is fixed in the middle of the longitudinal moving base, two piston rods of the transverse moving oil cylinder are hinged to the two transverse moving bases respectively, a transverse moving slide rail is fixed on the longitudinal moving base, a transverse moving slide seat is fixed at the bottom of the transverse moving base and is in sliding connection with the transverse moving slide rail, and the extending direction of the transverse moving slide rail is perpendicular to the extending direction of the longitudinal moving slide rail.
Optionally, an auxiliary sliding rail is fixed on the spar along the length direction of the spar, an auxiliary sliding seat is fixed at the bottom of the longitudinal movement base and is in sliding connection with the auxiliary sliding rail, and the length of the spar is larger than the longitudinal movement stroke of the longitudinal movement base.
Optionally, a longitudinally-moving reverse hook matched with the bearing beam is fixed at the bottom of the longitudinally-moving base, and a transversely-moving reverse hook matched with the longitudinally-moving base is fixed at the bottom of the transversely-moving base.
Optionally, the walking system comprises a complete machine longitudinal movement track and a crane transverse movement mechanism, the complete machine longitudinal movement track is arranged below the lower cross rod in parallel, the lower cross rod is connected with the complete machine longitudinal movement track in a sliding mode, a complete machine reverse hook is arranged between the lower cross rod and the complete machine longitudinal movement track, the crane transverse movement mechanism comprises a crane oil cylinder, a transverse movement sliding plate and a jacking oil cylinder, one end of the jacking oil cylinder is fixed to the lower end of the lower cross rod, the axis of the crane oil cylinder is perpendicular to the length extending direction of the lower cross rod, a cylinder barrel of the crane oil cylinder is fixed to the open ground on one side of the complete machine longitudinal movement track, and a piston rod of the crane oil cylinder faces the side face of the complete machine longitudinal movement track.
Adopt above-mentioned technical scheme, the utility model has the advantages of it is following:
the utility model discloses a setting up the sideslip base that can synchronous syntropy sideslip on indulging moving the base, setting up simultaneously and striding the leading wheel, with the fixed pulley assembly antithetical couplet of installation on two sideslip bases with to a wire rope winding system in, not only can realize respectively in the ascending positioning of carrier beam length direction and width direction, still avoided using two hoist engine cooperations two fixed pulley assemblies that can the sideslip, make the carrier beam atress more reasonable reliable.
Drawings
FIG. 1 is a front view of one embodiment of the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a right side view of FIG. 1;
FIG. 4 is an enlarged partial schematic view at A of FIG. 2;
FIG. 5 is a schematic diagram of a traverse of the positioning device of FIG. 4 (the direction of the arrow is the traverse direction);
FIG. 6 is a second schematic diagram of the lateral movement of the positioning device shown in FIG. 4 (the direction indicated by the arrow is the lateral movement direction);
fig. 7 is a schematic diagram of a wire rope winding system in an embodiment of the present invention;
fig. 8 is a schematic diagram of the relative positions of the traveling guide wheel and the winch according to one embodiment of the present invention;
FIG. 9 is a schematic view of the mounting of the free running guide wheel of FIG. 8;
fig. 10 is a schematic longitudinal movement diagram of the positioning device according to an embodiment of the present invention;
fig. 11 is a schematic view of the installation of the sliding guide wheel and the rope tail weight sensor according to one embodiment of the present invention;
fig. 12 is a partially enlarged schematic view at B in fig. 3.
Reference numerals: 11. the device comprises a bearing beam, 12, a lower cross bar, 13, a rear oblique bar, 14, a vertical bar, 15 and a front oblique bar;
21. a longitudinal moving base 211, a longitudinal moving reverse hook 22, a longitudinal moving slide seat 23, a longitudinal moving slide rail 24, a push-pull oil cylinder 25, a transverse moving base 251, a transverse moving reverse hook 26, a transverse moving oil cylinder 27, a transverse moving slide rail 28 and a transverse moving slide seat;
31. the device comprises a wing beam, a 311, a positioning hole, a 32, an auxiliary sliding rail, a 33, an auxiliary sliding seat, a 34, a rope tail weight sensor, a 35, a hanging frame, a 351, a positioning pin shaft, a 352 and a connecting rod;
41. the device comprises a winch, 42, a fixed pulley block, 43, a movable pulley block, 44, a riding guide wheel, 45, a sliding guide wheel, 46, a moving guide wheel, 47, a support frame, 48 and a moving wheel shaft; 5. a spreader;
61. the whole machine longitudinally moves the track, 62, the crane oil cylinder, 63, the transverse sliding plate, 64, the jacking oil cylinder.
Detailed Description
In order to make the technical purpose, technical solutions and advantageous effects of the present invention clearer, the technical solutions of the present invention are further described below with reference to fig. 1 to 12 and specific embodiments.
The utility model provides a bridge deck crane's embodiment with novel promotion and positioning device:
a bridge deck crane with a novel lifting and positioning device comprises a main truss, a lifting device and a traveling system;
the main truss comprises two opposite rhombic trusses, a connecting rod is horizontally fixed between the rhombic trusses, and each rhombic truss comprises a carrier beam 11, a lower cross rod 12, a rear inclined rod 13, an upright rod 14 and a front inclined rod 15;
each diamond truss corresponds to a group of lifting devices and a group of positioning devices respectively, each lifting device comprises a steel wire rope winding system and a lifting appliance 5, each steel wire rope winding system comprises a winch 41, a fixed pulley block 42, a movable pulley block 43 and a riding guide wheel 44, each positioning device comprises a longitudinal moving base 21 capable of sliding along the length direction of the bearing beam 11, two transverse moving bases 25 capable of synchronously sliding along the width direction of the bearing beam 11 in the same direction are arranged on the longitudinal moving bases 21, each winch 41 is arranged at the end part of the lower cross bar 12 far away from the lifting appliance 5, the fixed pulley blocks 42 are arranged on the two transverse moving bases 25 respectively, the riding guide wheels 44 are arranged on the longitudinal moving bases 22 and located between the two groups of fixed pulley blocks 42, and the axial direction of the riding guide wheels 44 is perpendicular to the axial direction of the fixed pulley blocks 42; the movable pulley block 43 is arranged on the lifting appliance 5, and the lifting appliance 5 is hung at the tail end of the steel wire rope through the movable pulley block 43.
The positioning device can respectively realize the movement of the fixed pulley block 42 in the length direction and the width direction of the carrier bar 11 through the longitudinal moving base 21 and the transverse moving base 25, and can more conveniently align the steel box girder segment.
Meanwhile, the steel wire rope winding system can be matched with two transverse moving bases 25 capable of moving synchronously in the same direction, and a piece of riding guide wheel 44 which forms a 90-degree direction with the fixed pulleys is arranged between two groups of fixed pulley blocks 42, so that the steel wire rope is wound on the other side across the bearing beam 11, the bearing beam 11 is reasonable in stress, and the method is more economical and reliable compared with a method that two winches 41 wind on two sides of the same bearing beam 11.
Further, as one of the embodiments of the present invention, as shown in fig. 7 to 9, the wire rope winding system further includes a traveling guide wheel 46, a support frame 47 is installed at the end of the carrier beam 11 close to the winding machine 41, a traveling wheel shaft 48 is fixed on the support frame 47, the traveling guide wheel 46 is sleeved on the traveling wheel shaft 48, the traveling guide wheel 46 is slidably connected with the traveling wheel shaft 48, and the axis of the traveling wheel shaft 48 is parallel to the axis of the fixed pulley block 42.
The steel wire rope wound out by the winch 41 firstly passes through the moving guide wheel 46 and then enters the movable pulley block 43 and the fixed pulley block 42, or passes through the moving guide wheel 46 and then enters the sliding guide wheel 45 capable of moving along the spar 31 and then enters the movable pulley block 43 and the fixed pulley block 42, so that the deflection angle of the steel wire rope on a winding drum of the winch 41 can be effectively reduced, the arrangement of the steel wire rope on the winding drum is facilitated, the good work of a steel wire rope winding system is facilitated, and particularly, the action of the moving guide wheel 46 is more remarkable in the transverse moving process of the positioning device.
Further, as the utility model discloses a wherein one of them embodiment, every carrier bar 11's both sides respectively are fixed with a spar 31, spar 31 and carrier bar 11 parallel arrangement, as shown in fig. 11, be provided with the leading wheel 45 and the rope tail weight sensor 34 of sliding respectively with root carrier bar 11 both sides, the wire rope that hoist engine 41 was walked around turns to the back through the leading wheel 45 that slides and is connected with running block 43 and running block 42 in proper order again, be connected with stores pylon 35 on leading wheel 45 and the rope tail weight sensor 34 of sliding respectively, stores pylon 35 and spar 31 sliding connection, stores pylon 35 and the vertical base 21 bottom of moving can dismantle through connecting rod 352 and be connected, locating hole 311 has been seted up along its length direction even interval on the spar 31, install the locating pin 351 that can pass the spout on the stores pylon 35.
The spar 31 can be used to bear the load of a skid guide wheel 45 and a rope end weight sensor 34, wherein the skid guide wheel 45 refers to a guide wheel around which a steel wire rope coming out of the winch 41 passes, and the steel wire rope passes through the guide wheel, enters a first movable pulley downwards, and then passes through a first fixed pulley upwards.
When the positioning device longitudinally moves a large distance along the length direction of the carrier bar 11, the fixed pulley block 42 correspondingly moves a large distance, if the positions of the sliding guide wheel 45 and the rope tail weight sensor 34 are kept unchanged, the steel wire rope branches on the sliding guide wheel 45 and the rope tail weight sensor 34 generate a large deflection angle, which is not beneficial to winding the steel wire rope, the hanger 35 capable of sliding along the spar 31 is arranged in the embodiment, when the hanger is empty, the hanger 35 and the longitudinally moving base 21 are connected through the connecting rod 352, and the positioning pin shaft 351 is pulled out, so that the sliding guide wheel 45 and the rope tail weight sensor 34 can move a certain distance along with the longitudinally moving base 21, and the positioning pin shaft 351 can be inserted into the hanger 35 and the positioning hole 311 again after the longitudinal movement is completed, so as to position the hanger 35. An operating platform is erected in the rhombic truss, and the action of plugging and pulling the positioning pin shaft 351 can be completed by manually standing on the operating platform.
Further, as one embodiment of the present invention, as shown in fig. 4 to fig. 6, fig. 10 and fig. 11, a longitudinal moving slide 22 is fixed at the bottom of the longitudinal moving base 21, the slide can adopt an MGE slide plate, a longitudinal moving slide rail 23 is fixed on the carrier beam 11 along the length direction thereof, the longitudinal moving slide 22 is connected with the longitudinal moving slide rail 23 in a sliding manner, a push-pull oil cylinder 24 is installed between the longitudinal moving base 21 and the carrier beam 11, and a cylinder and a piston rod of the push-pull oil cylinder 24 are respectively hinged with the carrier beam 11 and the longitudinal moving base 21; a transverse moving oil cylinder 26 is arranged between the two transverse moving bases 25, the transverse moving oil cylinder 26 adopts a double-piston-rod hydraulic cylinder, the two piston rods share a piston, when one piston rod extends out, the other piston rod retracts, a cylinder barrel of the transverse moving oil cylinder 26 is fixed in the middle of the longitudinal moving base 21, the two piston rods of the transverse moving oil cylinder 26 are respectively hinged with the two transverse moving bases 25, a transverse moving slide rail 27 is fixed on the longitudinal moving base 21, a transverse moving slide seat 28 is fixed at the bottom of the transverse moving base 25, the transverse moving slide seat 28 is in sliding connection with the transverse moving slide rail 27, and the extension direction of the transverse moving slide rail 27 is perpendicular to that of the longitudinal moving slide rail 23.
Through the arrangement of the longitudinal moving base 21 and the push-pull oil cylinder 24, the movement of the fixed pulley block 42 in the length direction of the bearing beam 11 can be realized; through setting up sideslip base 25 and sideslip hydro-cylinder 26, can realize the synchronous equidirectional sideslip distance that needs of both sides fixed pulley group 42, simultaneously, compare the hydro-cylinder setting of single piston rod at two sideslip bases 25 homonymies, adopt the sideslip hydro-cylinder 26 setting of double piston rod between two sideslip bases 25, more save space.
Further, as one of the embodiments of the present invention, an auxiliary slide rail 32 is fixed on the spar 31 along the length direction thereof, an auxiliary slide seat 33 is fixed at the bottom of the longitudinal movement base 21, the auxiliary slide seat 33 is slidably connected with the auxiliary slide rail 32, and the length of the spar 31 is greater than the longitudinal movement stroke of the longitudinal movement base 21.
The spar 31, in addition to being able to bear the load of the skid steer wheels 45 and the rope end weight sensor 34, also acts as a secondary load bearing member for the set of crown blocks 42, making the overall system more reliable.
Further, as the utility model discloses a one of them embodiment, indulge and move base 21 bottom and be fixed with carrier beam 11 complex indulge and move anti-hook 211, sideslip base 25 bottom is fixed with indulge and move anti-hook 251 of base 21 complex sideslip, indulges at the adjusting device and moves with the sideslip in-process provides reliable spacing, prevents that the adjusting device level from deflecting or turning on one's side under the unexpected condition.
Further, as one of the embodiments of the utility model discloses a, as shown in fig. 12, walk the system and include that the complete machine moves track 61 and loop wheel machine sideslip mechanism from beginning to end, complete machine moves track 61 parallel arrangement from beginning to end in sheer pole 12 below, sheer pole 12 moves track 61 sliding connection with the complete machine from beginning to end, and sheer pole 12 and complete machine move from beginning to end between the track 61 and be provided with the anti-hook of complete machine, loop wheel machine sideslip mechanism includes loop wheel machine hydro-cylinder 62, sideslip slide 63 and jacking cylinder 64, the one end of jacking cylinder 64 is fixed at sheer pole 12 lower extreme, the axis of loop wheel machine hydro-cylinder 62 is perpendicular with sheer pole 12 length extending direction, the cylinder of loop wheel machine hydro-cylinder 62 is fixed on the open space of complete machine moves track 61 one side from beginning to end, loop wheel machine hydro-cylinder 62's piston rod moves track 61 side from beginning to end.
When the crane needs to transversely move, the whole crane is lifted to a proper height through the lifting cylinder 64, the transverse moving sliding plate 63 is placed below the whole crane longitudinal moving rail 61, then the lifting cylinder 64 is retracted, the whole crane longitudinal moving rail 61 and the whole crane are seated on the transverse moving sliding plate 63, and the crane cylinder 62 acts to push the whole crane to transversely move.
The above embodiments are not intended to limit the shape, material, structure, etc. of the present invention in any form, and all of the technical matters of the present invention belong to the protection scope of the present invention to any simple modification, equivalent change and modification of the above embodiments.
Claims (7)
1. The utility model provides a bridge deck crane with novel promotion and positioning device, includes main truss, hoisting device and walks capable system, its characterized in that:
the main truss comprises two opposite rhombic trusses, a connecting rod is horizontally fixed between the rhombic trusses, and each rhombic truss comprises a bearing beam, a lower cross rod, a rear oblique rod, an upright rod and a front oblique rod;
each rhombic truss corresponds to a group of lifting devices and a group of positioning devices respectively, each lifting device comprises a steel wire rope winding system and a lifting appliance, each steel wire rope winding system comprises a winch, a fixed pulley block, a movable pulley block and a striding guide wheel, each positioning device comprises a longitudinal moving base capable of sliding along the length direction of a bearing beam, two transverse moving bases capable of synchronously sliding along the width direction of the bearing beam in the same direction are arranged on the longitudinal moving bases, each winch is arranged at the end part of a lower cross rod far away from the lifting appliance, the fixed pulley blocks are arranged on the two transverse moving bases respectively, the striding guide wheel is arranged on the longitudinal moving sliding base and is positioned between the two groups of fixed pulley blocks, and the axial direction of the striding guide wheel is perpendicular to the axial direction of the fixed pulley blocks; the movable pulley block is arranged on the lifting appliance, and the lifting appliance is hung at the tail end of the steel wire rope through the movable pulley block.
2. The bridge deck crane with the novel lifting and positioning device according to claim 1, wherein: the steel wire rope winding system further comprises a moving guide wheel, a support frame is mounted at the end part, close to the winch, of the bearing beam, a moving wheel shaft is fixed on the support frame, the moving guide wheel is sleeved on the moving wheel shaft, the moving guide wheel is connected with the moving wheel shaft in a sliding mode, and the axis of the moving wheel shaft is parallel to the axis of the fixed pulley block.
3. A bridge deck crane with a novel lifting and positioning device according to claim 1 or 2, characterized in that: the both sides of every carrier bar respectively are fixed with a spar, spar and carrier bar parallel arrangement, same carrier bar both sides are provided with the leading wheel that slides and rope tail weight sensor respectively, the wire rope that the hoist engine was spooled out is connected with running block and fixed pulley group in proper order after the leading wheel that slides turns to again, be connected with the stores pylon on leading wheel that slides and the rope tail weight sensor respectively, stores pylon and spar sliding connection, the stores pylon can be dismantled through the connecting rod with indulge and move the base bottom and be connected, be equipped with the locating hole along its evenly spaced apart of length direction on the spar, install the locating pin axle that can pass the spout on the stores pylon.
4. The bridge deck crane with the novel lifting and positioning device according to claim 3, wherein: a longitudinal moving sliding seat is fixed at the bottom of the longitudinal moving base, a longitudinal moving sliding rail is fixed on the bearing beam along the length direction of the bearing beam, the longitudinal moving sliding seat is connected with the longitudinal moving sliding rail in a sliding manner, and a push-pull oil cylinder is arranged between the longitudinal moving base and the bearing beam; a transverse moving oil cylinder is arranged between the two transverse moving bases, a cylinder barrel of the transverse moving oil cylinder is fixed in the middle of the longitudinal moving base, two piston rods of the transverse moving oil cylinder are hinged to the two transverse moving bases respectively, a transverse moving slide rail is fixed on the longitudinal moving base, a transverse moving slide seat is fixed at the bottom of the transverse moving base and is in sliding connection with the transverse moving slide rail, and the extending direction of the transverse moving slide rail is perpendicular to the extending direction of the longitudinal moving slide rail.
5. The bridge deck crane with the novel lifting and positioning device according to claim 4, wherein: an auxiliary sliding rail is fixed on the wing beam along the length direction of the wing beam, an auxiliary sliding seat is fixed at the bottom of the longitudinal moving base and is in sliding connection with the auxiliary sliding rail, and the length of the wing beam is larger than the longitudinal moving stroke of the longitudinal moving base.
6. The bridge deck crane with the novel lifting and positioning device according to claim 5, wherein: the bottom of the longitudinal moving base is fixed with a longitudinal moving reverse hook matched with the bearing beam, and the bottom of the transverse moving base is fixed with a transverse moving reverse hook matched with the longitudinal moving base.
7. The bridge deck crane with the novel lifting and positioning device according to claim 6, wherein: the walking system comprises a complete machine longitudinal moving track and a crane transverse moving mechanism, the complete machine longitudinal moving track is arranged below a lower cross rod in parallel, the lower cross rod is connected with the complete machine longitudinal moving track in a sliding mode, a complete machine reverse hook is arranged between the lower cross rod and the complete machine longitudinal moving track, the crane transverse moving mechanism comprises a crane oil cylinder, a transverse moving sliding plate and a jacking oil cylinder, one end of the jacking oil cylinder is fixed to the lower end of the lower cross rod, the axis of the crane oil cylinder is perpendicular to the length extending direction of the lower cross rod, a cylinder barrel of the crane oil cylinder is fixed to the open space on one side of the complete machine longitudinal moving track, and a piston rod of the crane oil cylinder faces the side face of the complete machine longitudinal moving track.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221744560.4U CN217148397U (en) | 2022-07-08 | 2022-07-08 | Bridge deck crane with novel lifting and positioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221744560.4U CN217148397U (en) | 2022-07-08 | 2022-07-08 | Bridge deck crane with novel lifting and positioning device |
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| Publication Number | Publication Date |
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| CN217148397U true CN217148397U (en) | 2022-08-09 |
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| CN202221744560.4U Active CN217148397U (en) | 2022-07-08 | 2022-07-08 | Bridge deck crane with novel lifting and positioning device |
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| CN (1) | CN217148397U (en) |
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2022
- 2022-07-08 CN CN202221744560.4U patent/CN217148397U/en active Active
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