CN115159339A - Improved intelligent gantry crane - Google Patents

Abstract

The invention discloses an improved intelligent gantry crane which comprises a pair of supporting frames, wherein each supporting frame comprises a ground beam, a lifting arm outer arm, a lifting arm inner arm and a lifting screw rod, a cross beam is arranged between the top ends of the two lifting arm inner arms, and a pair of sliding hanging frames are arranged on the cross beam. According to the invention, the pair of sliding hangers are arranged on the cross beams on the pair of supporting frames, so that the power equipment can be hoisted by an integral structure formed by the supporting frames, the cross beams and the sliding hangers, the total volume of the equipment body is small, the power equipment can be hoisted in a narrow transformer substation space, the labor required by the installation of the power equipment in the narrow transformer substation space is reduced, and the possible damage to the power equipment is reduced.

Description

Improved intelligent gantry crane

Technical Field

The invention belongs to the technical field of hoisting equipment, and particularly relates to an improved intelligent gantry crane.

Background

In the construction of a substation, various power equipment may need to be installed in the substation. Patent CN202022146941.X discloses a suspension device for mounting power equipment for power engineering, which adds a good protection structure to the suspension device by arranging an extension seat, a protection basket, a protection frame, a protection net and an anti-collision pad, and can play a good role in safety protection when the power equipment falls off, thereby greatly reducing the damage of the power equipment and ensuring the safety of peripheral workers; patent CN202022664877.4 discloses a suspension device for mounting power equipment in power engineering, which realizes the switching between stable bearing and fast loading and unloading states of power equipment by freely switching between a workbench and a guide wheel, thereby realizing convenient loading and unloading and efficient mounting of power equipment.

Above-mentioned patent is when in actual use, because a lot of transformer substation spaces are narrow and small, and the main equipment can't get into, for example switch board weight surpasss a ton at several hundred kilograms even, and the manpower lifts very difficultly, if use instruments such as crowbars to carry out power equipment's installation and cause the injury to power equipment easily.

The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.

Disclosure of Invention

The invention aims to provide an improved intelligent gantry crane to solve the problems in the prior art.

In order to achieve the purpose, the invention provides an improved intelligent gantry crane which comprises a pair of supporting frames, wherein each supporting frame comprises a ground beam in a longitudinal state, a lifting arm outer arm arranged above the ground beam, a lifting arm inner arm extending into the lifting arm outer arm and a lifting screw rod arranged inside the lifting arm outer arm, the lifting screw rod extends into the lifting arm inner arm, a first ball screw nut is arranged at the bottom end of the lifting arm inner arm, the lifting screw rod penetrates through the first ball screw nut and is in threaded connection with the first ball screw nut, a cross beam is arranged between the top ends of the two lifting arm inner arms, and a pair of sliding hanging frames are arranged on the cross beam and can move along the cross beam.

In the technical scheme of the invention, inclined support beams are fixed between the front and rear side edges of the top end of the ground beam and the bottoms of the outer arms of the lifting arm, a transverse support beam is fixed between the bottoms of the two inclined support beams, and the bottom end of the outer arm of the lifting arm is fixed at the top of the transverse support beam.

According to the technical scheme, universal wheels are fixed at the edges of the front end and the rear end of the bottom end of the ground beam, and an electric driving wheel set is mounted in the middle of the bottom end of the ground beam.

In the technical scheme of the invention, the bottom end of the lifting screw rod is coaxially connected with a deceleration lifting motor, and the deceleration lifting motor is fixed at the bottom end of the cross support beam.

In the technical scheme of the invention, first sliding blocks are embedded in the peripheral surfaces of the tops of the outer arms of the lifting arms, the inner side surfaces of the first sliding blocks are attached to the outer surface of the inner arm of the lifting arm, cover plates are fixed on the peripheral surfaces of the tops of the outer arms of the lifting arms, and the cover plates cover the outer sides of the first sliding blocks.

In the technical scheme of the invention, a connecting seat is fixed at the top end of the inner arm of the lifting arm, the end part of the beam is fixed on the connecting seat, second sliding blocks are embedded on the peripheral surfaces of the bottom of the inner arm of the lifting arm, and the outer side surfaces of the second sliding blocks are attached to the inner wall of the outer arm of the lifting arm.

In the technical scheme of the invention, a speed-reducing transverse moving motor is arranged at the left edge of the top end of the cross beam, a pair of lead screw bearing seats is fixed at the top end of the cross beam, a transverse moving lead screw is rotatably connected between the two lead screw bearing seats, and the left end is coaxially connected with the tail end of an output shaft of the speed-reducing transverse moving motor.

In the technical scheme of the invention, the sliding hanger comprises a sliding sleeve seat sleeved at the periphery of the cross beam, a second ball screw nut fixedly mounted at the top end of the sliding sleeve seat and a hanger plate hinged at the bottom end of the sliding sleeve seat.

In the technical scheme of the invention, the cross section of the sliding sleeve seat is C-shaped, a plurality of third sliding blocks are fixed on the top wall in the sliding sleeve seat, the bottom ends of the third sliding blocks are lapped on the top end of the cross beam, and the traverse screw penetrates through the second ball screw nut and is in threaded connection with the second ball screw nut.

In the technical scheme of the invention, the top end of the hanging plate is provided with a convex seat, the convex seat extends into the inner side of the sliding sleeve seat, a cross shaft penetrates through the convex seat, the sliding sleeve seat penetrates through the end part of the cross shaft and is rotatably connected with the sliding sleeve seat, and the side surface of the hanging plate is provided with a plurality of through hanging holes.

In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:

1. according to the invention, the pair of sliding hangers are arranged on the cross beams on the pair of supporting frames, so that the power equipment can be hoisted by an integral structure formed by the supporting frames, the cross beams and the sliding hangers, the total volume of the equipment body is small, the power equipment can be hoisted in a narrow transformer substation space, the labor required by the installation of the power equipment in the narrow transformer substation space is reduced, and the possible damage to the power equipment is reduced.

2. According to the invention, the electric power equipment is lifted by using the integral structure formed by the support frame, the crossbeam and the sliding hanging bracket and using the support frame to drive the crossbeam and the sliding hanging bracket to integrally lift, so that the electric power equipment can be stably hoisted, and the hoisting precision of the electric power equipment is improved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present invention;

FIG. 2 is a structural view of the stand of the present invention;

FIG. 3 is a partial view of the support frame of the present invention;

FIG. 4 is a view showing the construction of the outer arm of the lift arm in accordance with the present invention;

FIG. 5 is a view showing the construction of the inner arm of the lift arm in accordance with the present invention;

FIG. 6 is a partial sectional view of the support frame of the present invention;

FIG. 7 is a structural view of a cross beam in the present invention;

FIG. 8 is a structural view of a slide hanger in the present invention;

FIG. 9 is a bottom view of the sliding sleeve holder of the present invention;

fig. 10 is a structural view of a hanger plate of the present invention.

Description of the reference numerals:

1-a support frame; 11-ground beam; 111-inclined support beams; 112-cross support beam; 113-universal wheels; 114-an electric drive wheel set; 115-a baffle; 116-a power battery pack; 12-outer arm of lifting arm; 121-a first slider; 122-a cover plate; 13-inner arm of lifting arm; 131-a connecting seat; 132-a first ball screw nut; 133-a second slider; 14-lifting screw rods; 141-a deceleration lift motor;

2-a cross beam; 21-a deceleration traversing motor; 22-screw rod bearing seat; 23-traversing lead screws; 24-reinforcing ribs; 25-a tilt sensor;

3-a sliding hanger; 31-a sliding sleeve seat; 311-third slider; 32-a second ball screw nut; 33-a hanger plate; 331-boss; 332-horizontal axis; 333-lifting hole.

Detailed Description

Specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings, but it should be understood that the scope of the present invention is not limited to the specific embodiments.

Throughout the specification and claims, unless explicitly stated otherwise, the word "comprise", or variations such as "comprises" or "comprising", will be understood to imply the inclusion of a stated element or component but not the exclusion of any other element or component.

Referring to fig. 1 to 10, the improved intelligent gantry crane of the present invention includes a pair of support frames 1, wherein the support frames 1 include a ground beam 11 in a longitudinal state, an outer boom 12 installed above the ground beam 11, an inner boom 13 extending into the outer boom 12, and a lifting screw 14 installed inside the outer boom 12. The grade beam 11 is square tubular construction, all be fixed with an oblique supporting beam 111 between the bottom of both sides edge and the outer arm 12 of lift arm around the grade beam 11 top, make two oblique supporting beams 111, the triangle-shaped structure that stabilizes between the outer arm 12 of lift arm and the grade beam 11, increase 1 overall structure's of support frame stability, be fixed with cross support beam 112 between the bottom of two oblique supporting beams 111, make two oblique supporting beams 111 further reinforced structure intensity by cross support beam 112, the bottom mounting of the outer arm 12 of lift arm is at cross support beam 112's top.

In the invention, the lifting screw 14 extends into the inner arm 13 of the lifting arm, the bottom end of the inner arm 13 of the lifting arm is provided with the first ball screw nut 132, the lifting screw 14 passes through the first ball screw nut 132 and is in threaded connection with the first ball screw nut 132, the bottom end of the lifting screw 14 is coaxially connected with the deceleration lifting motor 141, the deceleration lifting motor 141 is fixed at the bottom end of the cross support beam 112, when the deceleration lifting motor 141 is communicated with the outside, the deceleration lifting motor 141 starts to work and drives the lifting screw 14 to rotate, so that the inner arm 13 of the lifting arm can perform lifting motion along the inner part of the outer arm 12 of the lifting arm under the action of the first ball screw nut 132.

Concretely, both ends edge all is fixed with universal wheel 113 around the ground beam 11 bottom, make this portal crane can conveniently turn to along ground when having born the weight of most of this portal crane of universal wheel 113, middle part position department of ground beam 11 bottom installs electric driving wheel set 114, when putting through electric driving wheel set 114 with external power, electric driving wheel set 114 begins to work, thereby make support frame 1 driven along ground by electric driving wheel set 114 and remove, through the motion order of controlling electric driving wheel set 114 on two support frames 1 and under the cooperation of universal wheel 113, can reach the mesh that removes and turn to for this portal crane, in order to conveniently to remove this portal crane to the power equipment position department of required hoist and mount.

Further, the surface department all inlays all is equipped with first slider 121 around the outer arm 12 top of lifing arm, the inboard surface of first slider 121 laminates with the surface of lifing arm inner arm 13 mutually, all be fixed with apron 122 on the surface all around of the outer arm 12 top of lifing arm, apron 122 covers the outside at first slider 121, all inlay on the surface all around of lifing arm inner arm 13 bottom and be equipped with second slider 133, the outside surface of second slider 133 laminates with the inner wall of lifing arm outer arm 12 mutually, under the effect of first slider 121 and second slider 133, make lifing arm inner arm 13 extruded and stabilize in the inboard of lifing arm outer arm 12, prevent that lifing arm inner arm 13 and lifing arm outer arm 12 from taking place the friction, and reduce the resistance that lifing arm outer arm 12 received when going up and down.

In addition, a cross beam 2 is installed between the top ends of the two inner lifting arm arms 13, a connecting seat 131 is fixed on the top end of each inner lifting arm 13, and the end part of each cross beam 2 is fixed on the connecting seat 131, so that the cross beam 2 connects the two support frames 1. The left edge of the top end of the crossbeam 2 is provided with a speed-reducing traverse motor 21, the top end of the crossbeam 2 is fixed with a pair of screw shaft bearing blocks 22, a traverse screw 23 is rotatably connected between the two screw shaft bearing blocks 22, the left end of the traverse screw is coaxially connected with the tail end of an output shaft of the speed-reducing traverse motor 21, and when the speed-reducing traverse motor 21 is connected with an external power supply, the speed-reducing traverse motor 21 starts to work and drives the traverse screw 23 to rotate.

In the above scheme, the cross beam 2 is of a square tube structure, the reinforcing ribs 24 are fixed inside the cross beam 2, the cross sections of the reinforcing ribs 24 are in an X shape, the structural strength of the cross beam 2 is increased, and the cross beam 2 can bear more weight. The crossbeam 2 is provided with a pair of sliding hangers 3, the sliding hangers 3 comprise sliding sleeve seats 31 sleeved at the periphery of the crossbeam 2, second ball screw nuts 32 fixed on the top ends of the sliding sleeve seats 31 and hanging plates 33 hinged to the bottom ends of the sliding sleeve seats 31, the sliding hangers 3 can drive the hanging plates 33 to move along the crossbeam 2, the cross sections of the sliding sleeve seats 31 are C-shaped, and the traversing screw 23 penetrates through the second ball screw nuts 32 and is in threaded connection with the second ball screw nuts 32, so that when the traversing screw 23 rotates, the sliding hangers 3 can move along the crossbeam 2 under the action of the second ball screw nuts 32.

Specifically, a plurality of third sliders 311 are fixed on the top wall inside the sliding sleeve seat 31, the bottom ends of the third sliders 311 are lapped on the top end of the cross beam 2, and the third sliders 311 play a role in reducing friction, so that the sliding hanger 3 can move more smoothly. Third slider 311, second slider 133 and first slider 121 all use race steel and teflon material to mix the preparation and form, race steel is a nylon materials, intensity is close with steel, lubricating function has, teflon is a plastic material, self-lubricating function has equally, can both have intensity and have self-lubricating performance through the slider of mixing the preparation with race steel and teflon for third slider 311, second slider 133 and first slider 121 can play the lubrication action between two objects under the condition of not adding emollient.

Further, a boss 331 is provided at a top end of the hanging plate 33, the boss 331 is inserted into the sliding sleeve holder 31, a cross shaft 332 is inserted into the boss 331, and an end of the cross shaft 332 rotatably connects the sliding sleeve holder 31 with the sliding sleeve holder 31 by inserting the sliding sleeve holder 31 therethrough, so that the hanging plate 33 is mounted on a bottom of the sliding sleeve holder 31. The side surface of the hanger plate 33 is provided with a plurality of through hanging holes 333, the hanging holes 333 are used for hanging and hanging the power equipment, the power equipment in the transformer substation is usually of a box structure, so that the hanging points at four corners of the box structure of the power equipment are respectively connected with the two hanger plates 33 in a reducing mode, then the inner arm 13 of the lifting arm is controlled to do ascending motion, the cross beam 2 and the sliding hanger 3 are lifted, the purpose of hanging the power equipment is achieved, and then the gantry crane can accurately hoist the power equipment to a required position under the action of the electric driving wheel set 114 and the universal wheel 113.

In addition, a baffle 115 is arranged between the inner side surfaces of the two inclined support beams 111, a power battery pack 116 is fixed on the surface of the baffle 115, and the power battery pack 116 can supply power to the speed reduction lifting motor 141, the electric driving wheel set 114 and the speed reduction traversing motor 21, so that the application range of the gantry crane is enlarged.

It should be noted that an upper limit switch is installed at the top position of the outer side surface of the outer arm 12 of the lifting arm, a lower limit switch is installed at the bottom position of the outer side surface of the outer arm 12 of the lifting arm, both the upper limit switch and the lower limit switch are magnetic control switches, meanwhile, a magnet is installed at the bottom of the inner arm 13 of the lifting arm, the magnet goes up and down along with the inner arm 13 of the lifting arm, when the magnet goes up to the upper limit switch position, the magnetic control switches are turned on, the inner arm 13 of the lifting arm is forcibly stopped from going up, when the magnet goes down to the lower limit switch position, the magnetic control switches are turned on, the inner arm 13 of the lifting arm is forcibly stopped from going down, and the purpose of limiting the lifting stroke of the inner arm 13 of the lifting arm is achieved. In addition, inclination sensor 25 is still installed to the terminal periphery department of crossbeam 2, inclination sensor 25 is the gyroscope sensor, can sense the horizontal angle of crossbeam 2 this moment, when the load is not in the intermediate position of crossbeam, two lift arm inner arms 13 can lead to the elevating speed one fast one slow because of the load difference that receives to lead to crossbeam 2 to appear the slope phenomenon, when crossbeam 2 inclines, inclination sensor 25 will send the instruction and control and be located the fast speed reduction elevator motor 141 stop work of elevating speed in lift arm inner arm 13. The deceleration elevating motor 141 of the elevating arm inner arm 13 having a slow elevating speed is continuously operated to restore the horizontal state of the girder 2, and the deceleration elevating motor 141 stopped at this time is continuously operated, so that the girder 2 can be always kept horizontal by the inclination angle sensor 25.

The working principle of the improved intelligent gantry crane is as follows:

firstly, the working personnel connects the electric driving wheel set 114 with the power supply and controls the working state of the two electric driving wheel sets 114, so that the electric driving wheel set 114 can drive the support frame 1 to move along the ground, the gantry crane can move to the position of the electric power equipment to be hoisted and wrap the electric power equipment, then four corners of the box-type electric power equipment are respectively hung on the two hanging plates 33 by using tools such as a lifting rope and the like, the speed reduction motor 21 is connected with the power supply, the speed reduction traverse motor 21 drives the traverse screw 23 to rotate, the sliding hanging frame 3 can move to the position above the electric power equipment under the action of the second ball screw nut 32, finally the speed reduction lifting motor 141 is connected with the power supply, the speed reduction lifting motor 141 starts to work and drives the lifting screw 14 to rotate in the forward direction, at the moment, the inner arm 13 of the lifting arm can ascend under the action of the first ball screw nut 132, the electric power equipment can be hoisted, after the electric power equipment is hoisted, the gantry crane can move to the position of the electric power equipment to be placed in a narrow transformer substation to achieve the labor efficiency of manual hoisting, and the labor efficiency is improved.

The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. It is not intended to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the invention and its practical application to enable one skilled in the art to make and use various exemplary embodiments of the invention and various alternatives and modifications as are suited to the particular use contemplated. It is intended that the scope of the invention be defined by the claims and their equivalents.

Claims (10)

1. The utility model provides an improvement intelligence portal crane, includes a pair of support frame (1), its characterized in that: the support frame (1) is including being indulged ground beam (11) of putting the state, installing lift arm outer arm (12) of ground beam (11) top, stretching into lift arm inner arm (13) in lift arm outer arm (12) and installing lift lead screw (14) inside lift arm outer arm (12), lift lead screw (14) stretch into the inside of lift arm inner arm (13), first ball screw nut (132) are installed to the bottom of lift arm inner arm (13), lift lead screw (14) follow pass in first ball screw nut (132) and with first ball screw nut (132) threaded connection, two install crossbeam (2) between the top of lift arm inner arm (13), install a pair of slip gallows (3) on crossbeam (2), slip gallows (3) can be followed crossbeam (2) remove.

2. The improved intelligent gantry crane according to claim 1, wherein: both sides edge around grade roof beam (11) top with all be fixed with between the bottom of lifing arm outer arm (12) oblique supporting beam (111), two be fixed with between the bottom of oblique supporting beam (111) cross support beam (112), the bottom mounting of lifing arm outer arm (12) is in the top of cross support beam (112).

3. The improved intelligent gantry crane of claim 1, wherein: both ends edge all is fixed with universal wheel (113) around grade beam (11) bottom, the middle part position department of grade beam (11) bottom installs electric driving wheel group (114).

4. The improved intelligent gantry crane of claim 1, wherein: the bottom end of the lifting screw rod (14) is coaxially connected with a speed-reducing lifting motor (141), and the speed-reducing lifting motor (141) is fixed at the bottom end of the cross supporting beam (112).

5. The improved intelligent gantry crane according to claim 1, wherein: the utility model discloses a lift arm, including lift arm outer arm (12), the surface department all inlays all around at lift arm outer arm (12) top is equipped with first slider (121), the inboard surface of first slider (121) with the surface of lift arm inner arm (13) is laminated mutually, all be fixed with apron (122) on the surface all around at lift arm outer arm (12) top, apron (122) cover the outside of first slider (121).

6. The improved intelligent gantry crane of claim 1, wherein: the top of lifing arm inner arm (13) is fixed with connecting seat (131), the end fixing of crossbeam (2) is in on connecting seat (131), all inlay on the surface all around of lifing arm inner arm (13) bottom and be equipped with second slider (133), the outside surface of second slider (133) with the inner wall of lifing arm outer arm (12) is laminated mutually.

7. The improved intelligent gantry crane of claim 1, wherein: the left edge on crossbeam (2) top installs speed reduction sideslip motor (21), the top of crossbeam (2) is fixed with a pair of lead screw bearing frame (22), two it is connected with sideslip lead screw (23) to rotate between lead screw bearing frame (22), the left end with the terminal coaxial coupling of output shaft of speed reduction sideslip motor (21).

8. The improved intelligent gantry crane according to claim 1, wherein: the sliding hanger (3) comprises a sliding sleeve seat (31) sleeved on the periphery of the cross beam (2), a second ball screw nut (32) fixedly arranged at the top end of the sliding sleeve seat (31) and a hanger plate (33) hinged to the bottom end of the sliding sleeve seat (31).

9. The improved intelligent gantry crane of claim 8, wherein: the cross section of the sliding sleeve seat (31) is C-shaped, a plurality of third sliding blocks (311) are fixed on the top wall inside the sliding sleeve seat (31), the bottom ends of the third sliding blocks (311) are overlapped on the top end of the cross beam (2), and the transverse moving screw rod (23) penetrates through the second ball screw nut (32) and is in threaded connection with the second ball screw nut (32).

10. The improved intelligent gantry crane of claim 8, wherein: the top of hanger plate (33) is equipped with convex seat (331), convex seat (331) stretch into the inboard of sliding sleeve seat (31), it has cross axle (332) to run through on convex seat (331), the tip of cross axle (332) will sliding sleeve seat (31) run through and with sliding sleeve seat (31) rotate and are connected, a plurality of penetrating lewis holes (333) have been seted up on the side surface of hanger plate (33).

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