CN211812965U

CN211812965U - Running gear of portal jib crane

Info

Publication number: CN211812965U
Application number: CN201922212662.6U
Authority: CN
Inventors: 周亚珠
Original assignee: Wuxi Gangsheng Heavy Equipment Co ltd
Current assignee: Wuxi Gangsheng Heavy Equipment Co ltd
Priority date: 2019-12-11
Filing date: 2019-12-11
Publication date: 2020-10-30
Anticipated expiration: 2029-12-11

Abstract

The utility model relates to the technical field of crane, and a running gear of high pedestal jib crane is disclosed, the loach carrying platform comprises a supporting fram, the cavity has been seted up in the front of support frame, the interior diapire fixedly connected with protection of cavity is filled up, the interior diapire fixedly connected with damping spring of cavity, damping spring's top fixedly connected with slider, one side fixedly connected with supporting shoe of slider, the positive swing joint of supporting shoe has the pivot. This running gear of high pedestal jib crane, the effectual purpose of running gear shock attenuation of this high pedestal jib crane has been reached, thereby the problem that the running gear shock attenuation effect of general high pedestal jib crane is not good has been solved, make this high pedestal jib crane's running gear effectual the damaged condition that has reduced spare part in the use, simultaneously also more silence, indirect improvement people's work efficiency, make people use more save worry, further satisfying people's user demand, the work of giving people has brought the facility.

Description

Running gear of portal jib crane

Technical Field

The utility model relates to a hoist technical field specifically is gantry crane's running gear.

Background

The bridge is supported on the ground rail or foundation by two side legs. With the track running along the ground, the underside can be passed by railway cars or other ground vehicles. A jib crane with a rotatable crane unit mounted on a portal frame. Four legs of the portal frame form four door openings for railway vehicles and other vehicles to pass through. The gantry crane is usually operated along a crane rail on the ground or a building to perform a lifting, loading and unloading operation. It is well known that a gantry crane needs a traveling mechanism to move during operation.

But the running gear shock attenuation effect of general high pedestal jib crane on the market is not very good now to lead to running gear to cause the condition such as part damage very easily in long-time use, indirect reduction running gear's work efficiency, make people's work efficiency decline, so the running gear of current high pedestal jib crane can't satisfy people's user demand, the work of giving people has brought inconveniently.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a gantry crane's running gear possesses advantages such as the shock attenuation is effectual, has solved the not good problem of general gantry crane's running gear shock attenuation effect.

(II) technical scheme

For the effectual purpose of this running gear shock attenuation of realization, the utility model provides a following technical scheme: the running mechanism of the portal crane comprises a support frame, wherein a cavity is formed in the front side of the support frame, a protective pad is fixedly connected to the inner bottom wall of the cavity, a damping spring is fixedly connected to the inner bottom wall of the cavity, a sliding block is fixedly connected to the top end of the damping spring, a supporting block is fixedly connected to one side of the sliding block, a rotating shaft is movably connected to the front side of the supporting block, a running wheel is movably connected to the outer wall of the rotating shaft, a first groove is formed in the top of the sliding block, a first wear-resistant pad is fixedly connected to the inner wall of the first groove, a first compression spring is fixedly connected to the inner wall of the first wear-resistant pad, a damping pad is fixedly connected to the top of the supporting block, a second groove is formed in the top of the supporting block, a second wear-resistant pad is fixedly connected to, the top swing joint of support frame has the fixed block, one side fixedly connected with gate seat landing leg of fixed block, the fixed orifices has been seted up at the top of fixed block, the inner wall swing joint of fixed orifices has the movable rod, the case is placed to the top fixedly connected with of support frame, the positive swing joint who places the case has the dodge gate, the positive fixedly connected with handle of dodge gate, the outer wall fixedly connected with slipmat of handle.

Preferably, the inner wall of fixed orifices is provided with the internal thread, the outer wall of movable rod is provided with the external screw thread, and the fixed orifices passes through internal thread and external screw thread and movable rod threaded connection.

Preferably, the front face of the placing box is fixedly connected with a hinge, and the placing box is movably connected with the movable door through the hinge.

Preferably, the shape and size of the first wear pad are matched with those of the first groove, and the first wear pad is a rubber wear pad.

Preferably, the number of the first compression springs is eight, every four first compression springs are in one group, and the two groups of the first compression springs are symmetrically arranged by taking the perpendicular bisector of the support frame as the symmetry axis.

Preferably, the inner side wall of the cavity is provided with a sliding chute, and the shape and size of the sliding chute are matched with those of the sliding block.

Preferably, the quantity of shock pad is eight, and every four shock pads are a set of, and two sets of shock pads use the perpendicular bisector of support frame to set up as symmetry axis symmetry.

(III) advantageous effects

Compared with the prior art, the utility model provides a running gear of high pedestal jib crane possesses following beneficial effect:

1. this gantry crane's running gear, through the support frame, the cavity, the slider, the apparatus further comprises a rotating shaft, the walking wheel, damping spring, first recess, first compression spring, the shock pad, the mutually supporting use of second recess and second compression spring, the effectual purpose of this gantry crane's running gear shock attenuation has been reached, thereby the problem that general gantry crane's running gear shock attenuation effect is not good has been solved, make this gantry crane's running gear effectual the damaged condition that has reduced spare part in the use, also more silence simultaneously, indirect improvement people's work efficiency, make people use more save worry, further satisfied people's user demand, the work of giving people has brought the facility.

2. This running gear of high pedestal jib crane, through first recess, first abrasion pad, second recess and the second abrasion pad that sets up, life that can the first compression spring of effectual improvement and second compression spring makes people use more peaceful, and further satisfied people's user demand, the work of giving people has brought the facility, is worth using widely.

3. This running gear of high pedestal jib crane through the support frame that sets up with place the case, can be fine depositing with the instrument of maintenance running gear to the convenience is more convenient when the maintenance is look for, makes people use more easily, and further the user demand who has satisfied people has brought the facility for people's work.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the cavity of the present invention;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 1 according to the present invention;

fig. 4 is an enlarged schematic view of the structure at B in fig. 1 according to the present invention.

In the figure: 1. a support frame; 2. a cavity; 3. a protective pad; 4. a slider; 5. a support block; 6. a rotating shaft; 7. a traveling wheel; 8. a damping spring; 9. a first groove; 10. a first wear pad; 11. a first compression spring; 12. a shock pad; 13. a second groove; 14. a second cleat; 15. a second compression spring; 16. a fixed block; 17. a door seat support leg; 18. a fixing hole; 19. an internal thread; 20. an external thread; 21. a movable rod; 22. placing a box; 23. a movable door; 24. a handle; 25. a non-slip mat.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in 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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the traveling mechanism of the portal crane includes a supporting frame 1, a cavity 2 is formed in the front of the supporting frame 1, a protective pad 3 is fixedly connected to the inner bottom wall of the cavity 2, a damping spring 8 is fixedly connected to the inner bottom wall of the cavity 2, a slider 4 is fixedly connected to the top end of the damping spring 8, a supporting block 5 is fixedly connected to one side of the slider 4, a rotating shaft 6 is movably connected to the front of the supporting block 5, a traveling wheel 7 is movably connected to the outer wall of the rotating shaft 6, a first groove 9 is formed in the top of the slider 4, a sliding groove is formed in the inner side wall of the cavity 2, the shape and size of the sliding groove are matched with those of the slider 4, a first wear pad 10 is fixedly connected to the inner wall of the first groove 9, a first compression spring 11 is fixedly connected to the inner wall of the first wear pad 10, the shape and size, the first wear-resistant pad 10 is a rubber wear-resistant pad, the rubber is a high-elasticity polymer material with reversible deformation, the rubber is rich in elasticity at room temperature, can generate large deformation under the action of small external force, and can recover the original shape after the external force is removed, the top of the supporting block 5 is fixedly connected with a shock absorption pad 12, the top of the supporting block 5 is provided with a second groove 13, the inner wall of the second groove 13 is fixedly connected with a second wear-resistant pad 14, the inner wall of the second wear-resistant pad 14 is fixedly connected with a second compression spring 15, the service lives of the first compression spring 11 and the second compression spring 15 can be effectively prolonged through the arranged first groove 9, the first wear-resistant pad 10, the second groove 13 and the second wear-resistant pad 14, so that people feel more comfortable when using the rubber wear-resistant pad, the use requirements of people are further met, convenience is brought to the work of people, the rubber wear-resistant pad is worth being popularized, one side fixedly connected with door seat landing leg 17 of fixed block 16, fixed orifices 18 have been seted up at the top of fixed block 16, the inner wall swing joint of fixed orifices 18 has movable rod 21, the inner wall of fixed orifices 18 is provided with internal thread 19, the outer wall of movable rod 21 is provided with external screw thread 20, and fixed orifices 18 pass through internal thread 19 and external screw thread 20 and movable rod 21 threaded connection, the case 22 is placed to the top fixedly connected with of support frame 1, the quantity of first compression spring 11 is eight, and per four first compression spring 11 are a set of, and two sets of first compression spring 11 regard the perpendicular bisector of support frame 1 as symmetry axis symmetry setting, the quantity of shock pad 12 is eight, and per four shock pad 12 are a set of, and two sets of shock pad 12 regard the perpendicular bisector of support frame 1 as symmetry axis symmetry setting, rethread support frame 1, cavity 2, slider 4, pivot 6, walking wheel 7, damping spring 8, The first groove 9, the first compression spring 11, the shock absorption pad 12, the second groove 13 and the second compression spring 15 are mutually matched for use, the purpose of good shock absorption effect of the running mechanism of the portal crane is achieved, the problem of poor shock absorption effect of the running mechanism of the common portal crane is solved, the damage condition of parts is effectively reduced in the use process of the running mechanism of the portal crane, meanwhile, the running mechanism is more silent, the work efficiency of people is indirectly improved, the people are more convenient to use, the use requirements of people are further met, convenience is brought to the work of people, the movable door 23 is movably connected to the front surface of the placing box 22, the handle 24 is fixedly connected to the front surface of the placing box 23, the placing box 22 is movably connected with the movable door 23 through the hinge, and then the supporting frame 1 and the placing box 22 are arranged, can be fine deposit with the instrument of maintenance running gear to the convenience is more convenient when the maintenance seeks, makes people use more careful, and further the user demand that has satisfied people has brought the facility for people's work, the outer wall fixedly connected with slipmat 25 of handle 24.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

When the portal crane walking mechanism is used, when the portal crane walking mechanism moves, the first compression spring 11 and the second compression spring 15 absorb part of vibration, then the damping spring 8 absorbs the vibration again, and then the damping pad 12 absorbs all the rest vibration, so that the portal crane walking mechanism finishes the vibration absorption work.

To sum up, this gantry crane's running gear has reached the effectual purpose of running gear shock attenuation of this gantry crane, makes this gantry crane's running gear effectual the damage condition that has reduced spare part in the use, simultaneously also more silence, indirect improvement people's work efficiency, make people use more save worry, further satisfy people's user demand, the work of giving people has brought the facility.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Portal crane's running gear, including support frame (1), its characterized in that: the front surface of the supporting frame (1) is provided with a cavity (2), the inner bottom wall of the cavity (2) is fixedly connected with a protective pad (3), the inner bottom wall of the cavity (2) is fixedly connected with a damping spring (8), the top end of the damping spring (8) is fixedly connected with a sliding block (4), one side of the sliding block (4) is fixedly connected with a supporting block (5), the front surface of the supporting block (5) is movably connected with a rotating shaft (6), the outer wall of the rotating shaft (6) is movably connected with a traveling wheel (7), the top of the sliding block (4) is provided with a first groove (9), the inner wall of the first groove (9) is fixedly connected with a first wear-resistant pad (10), the inner wall of the first wear-resistant pad (10) is fixedly connected with a first compression spring (11), the top of the supporting block (5) is fixedly connected with a damping pad (12), the top of the, the utility model discloses a wear-resisting pad of inner wall fixedly connected with second (14) of second recess (13), the inner wall fixedly connected with second compression spring (15) of second wear-resisting pad (14), the top swing joint of support frame (1) has fixed block (16), one side fixedly connected with gate seat landing leg (17) of fixed block (16), fixed orifices (18) have been seted up at the top of fixed block (16), the inner wall swing joint of fixed orifices (18) has movable rod (21), case (22) are placed to the top fixedly connected with of support frame (1), the positive swing joint who places case (22) has dodge gate (23), positive fixedly connected with handle (24) of dodge gate (23), the outer wall fixedly connected with slipmat (25) of handle (24).

2. The running gear of the portal crane according to claim 1, wherein: the inner wall of fixed orifices (18) is provided with internal thread (19), the outer wall of activity pole (21) is provided with external screw thread (20), and fixed orifices (18) are through internal thread (19) and external screw thread (20) and activity pole (21) threaded connection.

3. The running gear of the portal crane according to claim 1, wherein: the front side of the placing box (22) is fixedly connected with a hinge, and the placing box (22) is movably connected with the movable door (23) through the hinge.

4. The running gear of the portal crane according to claim 1, wherein: the shape and size of the first wear-resistant pad (10) are matched with those of the first groove (9), and the first wear-resistant pad (10) is a rubber wear-resistant pad.

5. The running gear of the portal crane according to claim 1, wherein: the number of the first compression springs (11) is eight, every four first compression springs (11) are a group, and the two groups of the first compression springs (11) are symmetrically arranged by taking the perpendicular bisector of the support frame (1) as the symmetry axis.

6. The running gear of the portal crane according to claim 1, wherein: the inner side wall of the cavity (2) is provided with a sliding chute, and the shape and the size of the sliding chute are matched with those of the sliding block (4).

7. The running gear of the portal crane according to claim 1, wherein: the quantity of shock pad (12) is eight, and per four shock pads (12) are a set of, and two sets of shock pads (12) use the perpendicular bisector of support frame (1) to set up as symmetry axis symmetry.