CN220578777U - Portal crane with protective structure - Google Patents

Abstract

The utility model relates to a portal crane with a protection structure, which comprises a portal crane body with two ground beams, wherein the two ends of each ground beam are respectively provided with the protection structure, each group of protection structures comprises a bracket, each bracket is provided with a high-pressure fan with a three-way pipe, the lower part of each bracket is fixedly connected with a position adjusting device, the position adjusting devices are respectively connected with two groups of L-shaped rail clamping pliers in a sliding manner, the two groups of L-shaped rail clamping pliers are vertically and oppositely distributed, each group of L-shaped rail clamping pliers comprises a sliding rod, the bottom ends of the sliding rods are respectively connected with an L-shaped rail clamping arm in a rotating manner, the top ends of the L-shaped rail clamping arms are respectively connected with the sliding rods through bolt connection pairs, the top parts of each L-shaped rail clamping arm are respectively connected with a split disc, each split disc is respectively communicated with the three-way pipe through a first hose, and each split disc is respectively communicated with a plurality of spray heads.

Description

Portal crane with protective structure

Technical Field

The utility model belongs to the technical field of cranes, and particularly relates to a portal crane with a protection structure.

Background

The gantry crane is mainly used for loading and unloading operations of outdoor goods yards, stock yards and bulk cargos, and because the gantry crane is arranged outdoors, in order to avoid the phenomenon of sliding in the windy weather of the gantry crane in a stop state, the two ends of a ground beam of the gantry crane are provided with protection structures, the existing protection structures are usually rail clamping devices, and when the gantry crane stops, the rail clamping devices can clamp rails, so that the gantry crane can be prevented from sliding; when the gantry crane is in normal operation, the rail clamp is positioned outside the two sides of the rail after the rail is loosened, and the rail clamp is not used.

However, in windy weather, dust and impurities can not be accumulated on the track, if the track is not cleaned timely, normal running of the gantry crane can be affected, even derailment of the gantry crane can be caused when serious, the existing protective structure on the gantry crane only has the function of preventing the gantry crane from sliding, the protective structure does not have the function of cleaning the track, and the protective structure has no other use and low utilization rate when the gantry crane is in normal running, so the defects and shortages still exist in the prior art.

Disclosure of Invention

The utility model aims to provide a portal crane with a protection structure, so as to solve the problems in the prior art.

In order to solve the problems, the utility model adopts the following technical scheme:

the utility model provides a gantry crane with protective structure, includes the gantry crane body that can walk along the track and have two ground beams, and protective structure is all installed at the both ends of every ground beam, and every group protective structure all includes the support of dismantling fixed connection with the ground beam, all install the high-pressure fan that has the three-way pipe on the support, the below fixedly connected with level setting's of support position control device, equal sliding connection has two sets of L type clamp that can be close to each other or keep away from each other along position control device on the position control device, and two sets of L type clamp vertical relative distribution, every L type clamp all include with position control device sliding connection and the slide bar of vertical distribution, all rotate the L type clamp arm that is connected with vertical distribution in the bottom of slide bar, all be connected through bolted connection pair between the top of L type clamp arm and the slide bar, all fixedly connected with the flow distribution plate of horizontal distribution between flow distribution plate and the three-way pipe respectively through first hose, the below of every flow distribution plate all communicates a plurality of adjustable shower nozzles of angle.

Furthermore, each L-shaped rail clamping arm is also provided with a cleaning brush which can be used for cleaning sundries on the rail.

Further, each nozzle is communicated with the flow distribution plate through a second hose, and each nozzle is connected with the flow distribution plate through a shaping metal soft strip capable of deforming.

Further, the bottom fixedly connected with first connection pad of slide bar, the top fixedly connected with second connection pad of L type centre gripping arm, bolted connection is vice to include first connecting bolt, threaded connection has lock nut after first connection pad and second connection pad are passed in proper order to first connecting bolt's screw rod end.

Further, the position adjusting device comprises two supporting seats which are vertically and oppositely distributed, each supporting seat is fixedly connected with a support, two guide rods which are horizontally and oppositely distributed are fixedly connected between the two supporting seats, a screw rod which is parallel to the guide rods is arranged between the two guide rods, two ends of the screw rod are rotationally connected with the supporting seats, one end of the screw rod penetrates through the supporting seats and then is connected with a driving motor in a transmission manner, the spiral directions of two end parts of the screw rod are opposite, two slide rods which are positioned on the same group of position adjusting device are sleeved on the screw rod and are in threaded connection with the screw rod, the two slide rods are positioned at two ends of the screw rod respectively, and two sides of each slide rod are sleeved on the guide rod and are in sliding connection with the guide rod respectively.

Further, the support includes the connecting plate of vertical distribution, all be connected through the second connecting bolt between connecting plate four corners and the floor beam, the mounting panel of the bottom fixedly connected with horizontal distribution of connecting plate, fixedly connected with reinforcing rib plate between mounting panel and the connecting plate, install on the top surface of mounting panel high-pressure fan, fixedly connected with on the bottom surface of mounting panel position control device.

Further, the slide ways which are vertically distributed are arranged at four corners of the connecting plate, the screw rod end of the second connecting bolt penetrates through the connecting plate through the slide ways and then is in threaded connection with the ground beam, and the head of the second connecting bolt is in butt joint with the connecting plate.

Further, the gantry crane body comprises a girder which is horizontally arranged, the girder is connected with an electric hoist in a sliding way, two supporting legs which are distributed obliquely and oppositely are arranged at two ends of the girder, a ground girder which is distributed horizontally is arranged between one ends of the two supporting legs far away from the girder, and a cart travelling mechanism is arranged on the ground girder.

By adopting the technical scheme, the utility model has the beneficial effects that:

the utility model can be used for supporting the high-pressure fan and the position adjusting device by arranging the bracket on the basis of the existing gantry crane body; the two groups of L-shaped rail clamping pliers can be driven to be close to or far away from each other by arranging the position adjusting device, so that when the gantry crane body is stopped, the two groups of L-shaped rail clamping pliers can be close to the clamping rail to prevent the gantry crane body from sliding; when the gantry crane body normally operates, the two groups of L-shaped rail clamping pliers are positioned outside two sides of the rail after the rail is loosened, then the bolt connection pairs can be loosened, the L-shaped rail clamping arms are rotated for 180 degrees, then the L-shaped rail clamping arms are connected with the sliding rods by the bolt connection pairs again, then the two groups of L-shaped rail clamping arms are mutually close until the spray heads on the distribution plate are positioned above the rail, and after the high-pressure fan is started, dust and impurities accumulated on the rail can be cleaned to ensure the normal running of the gantry crane body and avoid derailment of the gantry crane body; in general, when the gantry crane body is stopped, the protection structure has the function of preventing the gantry crane from sliding; and when the gantry crane body normally operates, the gantry crane further has the function of cleaning the track, so that the utilization rate can be improved.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a second schematic diagram of the structure of the present utility model;

FIG. 3 is a schematic view of a portion of the apparatus of the present utility model;

FIG. 4 is a second schematic view of a portion of the apparatus of the present utility model;

FIG. 5 is a third schematic view of a portion of the apparatus of the present utility model.

Reference numerals: 1. a diverter tray; 2. a spray head; 3. a high-pressure fan; 4. a position adjusting device; 41. a support base; 42. a guide rod; 43. a screw rod; 44. a driving motor; 5. l-shaped rail clamping pliers; 51. a slide bar; 52. l-shaped rail clamping arms; 53. a first connection plate; 54. a second connection pad; 55. a first connecting bolt; 56. a lock nut; 6. a bracket; 61. a connecting plate; 62. a second connecting bolt; 63. a mounting plate; 64. reinforcing rib plates; 65. a slideway; 7. a gantry crane body; 71. a ground beam; 72. a main beam; 73. an electric hoist; 74. a support leg; 75. a cart travel mechanism; 8. cleaning brushes; 9. a second hose; 10. shaping a metal soft strip; 11. a track.

Detailed Description

In order to make the objects, technical solutions and advantageous effects of the present utility model more apparent, embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings.

As shown in fig. 1 to 5, the utility model provides a gantry crane with a protection structure, which comprises a gantry crane body 7 capable of walking along a track 11 and provided with two ground beams 71, wherein the gantry crane body 7 is in the prior art, and comprises a horizontally arranged main beam 72, an electric hoist 73 is connected on the main beam 72 in a sliding manner, two supporting legs 74 which are distributed in an inclined and opposite manner are arranged at two ends of the main beam 72, the ground beams 71 which are distributed horizontally are arranged between one ends of the two supporting legs 74 far away from the main beam 72, and a cart walking mechanism 75 is arranged on the ground beams 71; the two ends of each ground beam 71 are provided with protective structures, each group of protective structures comprises a bracket 6 which is detachably and fixedly connected with the ground beam 71, the brackets 6 are provided with high-pressure fans 3 with three-way pipes, and the high-pressure fans 3 are provided with power supply and start-stop switches; the lower part of the bracket 6 is fixedly connected with a horizontally arranged position adjusting device 4, and the bracket 6 can be used for supporting the high-pressure fan 3 and the position adjusting device 4; the position adjusting device 4 is provided with two groups of L-shaped rail clamping pliers 5 which can be mutually close to or mutually far away from the position adjusting device 4 in a sliding manner, the two groups of L-shaped rail clamping pliers 5 are vertically and oppositely distributed, and when the gantry crane body 7 is stopped, the two groups of L-shaped rail clamping pliers 5 can mutually close to the clamping rail 11 so as to prevent the gantry crane body 7 from slipping.

Each group of L-shaped rail clamping pliers 5 comprises a sliding rod 51 which is in sliding connection with the position adjusting device 4 and is vertically distributed, the bottom ends of the sliding rods 51 are respectively connected with L-shaped rail clamping arms 52 which are vertically distributed in a rotating way through a rotating shaft, and the bottoms of the L-shaped rail clamping arms 52 are matched with the tops of the rails 11; the top ends of the L-shaped clamping rail arms 52 are connected with the slide rods 51 through bolt connection pairs, the top of each L-shaped clamping arm 52 is fixedly connected with a horizontally distributed flow distribution disc 1, the flow distribution discs 1 are respectively communicated with a three-way pipe through first hoses, a plurality of spray heads 2 with adjustable spray angles are respectively communicated below each flow distribution disc 1, and the spray angles of the spray heads 2 are adjustable, so that the positions of the spray heads 2 can be conveniently adjusted; when the two groups of L-shaped rail clamping pliers 5 clamp the rail 11, the flow distribution disc 1 is positioned at the outer side of the L-shaped rail clamping arm 52; when the gantry crane body 7 normally operates, the two groups of L-shaped rail clamping pliers 5 are positioned outside two sides of the rail 11 after the rail 11 is loosened, then the bolt connection pairs can be loosened, the L-shaped rail clamping arms 52 are rotated 180 degrees, then the L-shaped rail clamping arms 52 are connected with the sliding rods 51 by the bolt connection pairs again, then the two groups of L-shaped rail clamping arms 52 are mutually close until the spray heads 2 on the distribution plate 1 are positioned above the rail 11, and after the high-pressure fan 3 is started, dust and impurities accumulated on the rail 11 can be cleaned so as to ensure normal running of the gantry crane body 7 and avoid derailment of the gantry crane body 7; in general, when the gantry crane body 7 is stopped, the protection structure of the present utility model has a function of preventing the gantry crane from slipping; and when the gantry crane body 7 normally operates, the rail cleaning device also has the function of cleaning the rail, so that the utilization rate can be improved.

In order to improve the cleaning effect on the rail 11, as shown in fig. 3 to 5, each L-shaped rail clamping arm 52 is further provided with a cleaning brush 8 for cleaning sundries on the rail 11, specifically, the cleaning brush 8 is matched with the side surface of the rail 11, when the two groups of L-shaped rail clamping pliers 5 clamp the rail 11, the cleaning brush 8 is also positioned at the outer side of the L-shaped rail clamping arm 52, and when the gantry crane body 7 operates normally, the two groups of L-shaped rail clamping arms 52 are rotated and the two groups of L-shaped rail clamping arms 52 are made to approach each other, the cleaning brush 8 can be attached to the side surface of the rail 11 to clean the side surface of the rail 11, so that the cleaning brush 8 is matched with the spray head 2 to improve the cleaning effect on the rail 11.

The specific mode of the spray angle of the spray head 2 is as follows: as shown in fig. 3 to 5, each nozzle 2 is communicated with the diverter disc 1 through a second hose 9, and each nozzle 2 is connected with the diverter disc 1 through a deformable shaping metal soft strip 10, the shaping metal soft strip 10 can deform under the action of external force, and the nozzle 2 does not have the function of automatically recovering the original shape, such as a steel strip or an aluminum strip, so that the spraying angle of the nozzle 2 can be adjusted to clean the rail 11, and in addition, the spraying angle of the nozzle 2 can be adjusted conveniently by arranging the second hose 9.

The specific way of connecting the L-shaped rail clamping arm 52 and the sliding rod 51 through the bolt connection pair is as follows: as shown in fig. 3 to 5, the bottom end of the slide bar 51 is fixedly connected with a first connection plate 53, the top end of the L-shaped clamping arm 52 is fixedly connected with a second connection plate 54, the bolt connection pair comprises a first connection bolt 55, the screw end of the first connection bolt 55 sequentially passes through the first connection plate 53 and the second connection plate 54 and then is in threaded connection with a locking nut 56, specifically, when the bolt connection pair is loosened, the locking nut 56 is firstly screwed off, then the first connection bolt 55 is removed, and at the moment, the L-shaped clamping arm 52 can be rotated; when the L-shaped clamping rail arm 52 is connected with the sliding rod 51, the first connecting bolt 55 and the locking nut 56 are sequentially installed, the locking nut 56 is abutted against the second connecting disc 54, and the head of the first connecting bolt 55 is abutted against the first connecting disc 53.

The specific structure of the position adjusting device 4 is as follows: as shown in fig. 3 to 5, the position adjusting device 4 comprises two supporting seats 41 which are vertically and oppositely distributed, each supporting seat 41 is fixedly connected with a bracket 6, two guide rods 42 which are horizontally and oppositely distributed are fixedly connected between the two supporting seats 41, a lead screw 43 which is parallel to the guide rods 42 is arranged between the two guide rods 42, two ends of the lead screw 43 are rotationally connected with the supporting seats 41, one end of the lead screw 43 passes through the supporting seat 41 and is in transmission connection with a driving motor 44, and the driving motor 44 is a forward and backward rotating motor and is provided with a power supply and a start-stop switch; and screw direction of the screw 43 both ends are opposite, two slide bars 51 that are located on same group position control device 4 all overlap and establish on screw 43 and with screw 43 threaded connection, and two slide bars 51 are located the both ends of screw 43 respectively, the both sides of every slide bar 51 still overlap respectively and establish on guide bar 42 and with guide bar 42 sliding connection, specifically, can drive screw 43 and rotate after starting driving motor 44, and screw 43 is in the pivoted in-process, two slide bars 51 that are located on same screw 43 can be close to each other or keep away from each other along guide bar 42 to can drive two sets of L type clamp rail pincers 5 and be close to each other or keep away from each other.

The specific structure of the bracket 6 is as follows: as shown in fig. 3 to 5, the bracket 6 includes a vertically distributed connection plate 61, four corners of the connection plate 61 are connected with the ground beam 71 through second connection bolts 62, specifically, when the connection plate 61 is connected with the ground beam 71, a screw end of the second connection bolt 62 passes through the connection plate 61 and is in threaded connection with the ground beam 71, and a head of the second connection bolt 62 abuts against the connection plate 61, so that the bracket 6 can be conveniently dismounted on the ground beam 71; the bottom of the connecting plate 61 is fixedly connected with a horizontally distributed mounting plate 63, a reinforcing rib plate 64 is fixedly connected between the mounting plate 63 and the connecting plate 61, and the reinforcing rib plate 64 can be used for reinforcing the connection strength between the mounting plate 63 and the connecting plate 61; the high-pressure fan 3 is installed on the top surface of the mounting plate 63, and the position adjusting device 4 is fixedly connected on the bottom surface of the mounting plate 63.

In order to facilitate the mounting of the bracket 6 on the ground beam 71, as shown in fig. 3 to 5, the four corners of the connecting plate 61 are provided with vertically distributed slide ways 65, the screw end of the second connecting bolt 62 penetrates through the connecting plate 61 through the slide ways 65 and is in threaded connection with the ground beam 71, the head of the second connecting bolt 62 abuts against the connecting plate 61, and specifically, when the bracket 6 is mounted on the ground beam 71, the bracket 6 can be adjusted to a proper position in the vertical direction by providing the slide ways 65 until the bottom of the L-shaped rail clamping arm 52 is opposite to the top position of the rail 11.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which are all within the scope of the claimed utility model. The scope of the utility model is defined by the appended claims and equivalents.

Claims (8)

1. The utility model provides a gantry crane with protective structure, includes can follow the track and has the gantry crane body of two ground beams, and protective structure, its characterized in that are all installed at the both ends of every ground beam: every group protective structure all includes the support that can dismantle fixed connection with the roof beam, all install the high-pressure fan that has the three-way pipe on the support, the below fixedly connected with level of support sets up position control device, equal sliding connection has two sets of L type clamp pincers that can be close to each other or keep away from each other along position control device on the position control device, two sets of L type clamp pincers vertical relative distribution, every group L type clamp pincers all include with position control device sliding connection and the slide bar of vertical distribution, the bottom of slide bar is all rotated and is connected with the L type clamp arm of vertical distribution, all be connected with the auxiliary through bolted connection between the top of L type clamp arm and the slide bar, the equal fixedly connected with horizontal distribution's of top of every L type clamp arm flow distribution dish between flow distribution dish and the three-way pipe respectively through first hose, the below of every flow distribution dish all communicates and has a plurality of spray angle adjustable shower nozzle.

2. A gantry crane with a protective structure according to claim 1, characterized in that: and cleaning brushes capable of cleaning sundries on the rails are also arranged on each L-shaped rail clamping arm.

3. A gantry crane with a protective structure according to claim 1, characterized in that: the spray heads are communicated with the distribution plate through second hoses, and the spray heads are connected with the distribution plate through deformable shaping metal soft strips.

4. A gantry crane with a protective structure according to claim 1, characterized in that: the bottom fixedly connected with first connection pad of slide bar, the top fixedly connected with second connection pad of L type centre gripping arm, bolted connection is vice to include first connecting bolt, threaded connection has lock nut after first connection pad and second connection pad are passed in proper order to first connecting bolt's screw rod end.

5. A gantry crane with a protective structure according to claim 1, characterized in that: the position adjusting device comprises two supporting seats which are vertically and oppositely distributed, each supporting seat is fixedly connected with a support, two guide rods which are horizontally and oppositely distributed are fixedly connected between the two supporting seats, a lead screw which is parallel to the guide rods is arranged between the two guide rods, two ends of the lead screw are rotationally connected with the supporting seats, one end of the lead screw passes through the supporting seats and then is connected with a driving motor, the spiral directions of two ends of the lead screw are opposite, two slide bars which are positioned on the same group of position adjusting device are sleeved on the lead screw and are in threaded connection with the lead screw, the two slide bars are positioned at two ends of the lead screw respectively, and two sides of each slide bar are sleeved on the guide rods and are in sliding connection with the guide rods respectively.

6. A gantry crane with a protective structure according to claim 1, characterized in that: the support includes the connecting plate of vertical distribution, all be connected through the second connecting bolt between connecting plate four corners and the floor beam, the mounting panel of the bottom fixedly connected with horizontal distribution of connecting plate, fixedly connected with reinforcing rib plate between mounting panel and the connecting plate, install on the top surface of mounting panel high-pressure fan, fixedly connected with on the bottom surface of mounting panel position control device.

7. The gantry crane with a protective structure according to claim 6, wherein: the four corners of the connecting plate are provided with vertically distributed slide ways, the screw rod end of the second connecting bolt penetrates through the connecting plate through the slide ways and then is in threaded connection with the ground beam, and the head of the second connecting bolt is abutted to the connecting plate.

8. A gantry crane with a protective structure according to claim 1, characterized in that: the gantry crane body comprises a girder which is horizontally arranged, an electric hoist is connected to the girder in a sliding manner, two supporting legs which are distributed obliquely and oppositely are arranged at two ends of the girder, a ground beam which is distributed horizontally is arranged between one ends of the two supporting legs, which are far away from the girder, and a cart travelling mechanism is arranged on the ground beam.