Hoisting equipment for maintenance of large machinery

Abstract

The utility model provides hoisting equipment for maintenance of large machinery, which comprises a gantry crane, an electric hoist, two groups of lifting ropes, a hoisting rope and a hook claw, a cross beam is mounted in the middle of the gantry crane in a sliding manner, the lifting ropes and the hoisting rope are connected below the electric hoist, and the hook claw is connected to the tail end of the hoisting rope. The clamping device can achieve accurate position adjustment through cooperation of the gear, the first rack and the second rack, the first L-shaped rod, the sliding rod and the second L-shaped rod can be driven by the bidirectional lead screw to slide, so that the first sliding base moves, and when the first sliding base makes contact with the outer wall of mechanical equipment, through transmission of the gear and the second rack, the position of the clamping device can be adjusted accurately. The supporting plate can automatically slide to the position below the mechanical equipment, the position of the supporting plate does not need to be manually adjusted, the operation convenience and accuracy are greatly improved, the self-adaptive clamping mode can quickly and effectively adapt to the mechanical equipment of different shapes and sizes, and it is ensured that stable supporting and clamping force is provided in the lifting process.

Description

TECHNICAL FIELD

[0001] The utility model belongs to mechanical maintenance technical field, more specifically, especially relate to a hoisting equipment for large -scale mechanical maintenance. BACKGROUND

[0002] In the mechanical equipment use process, due to long time work can lead to machine failure, need staff to maintain check, need to utilize some lifting device mechanical equipment to lift, facilitate staff to check and maintain all -round to mechanical equipment.

[0003] In the field of large -scale mechanical equipment maintenance, hoisting equipment plays a vital role, however, the existing hoisting equipment in the process of hoisting large -scale mechanical equipment, often there is a series of problems, the traditional hoisting equipment usually adopts simple rope and hook structure to hoist mechanical equipment, in the hoisting process, due to lack of effective stabilizing measures, mechanical equipment is prone to sway, this sway not only can influence the safety of hoisting, still can be to equipment itself and surrounding personnel and facilities cause threat.

[0004] Therefore, in view of this, to the existing structure and lack of research and improvement, provide a hoisting equipment for large -scale mechanical maintenance, to reach more practical value purpose. UTILITY MODEL CONTENTS

[0005] In order to solve the above technical problem, the utility model provides a hoisting equipment for large -scale mechanical maintenance, by following specific technical means:

[0006] A hoisting equipment for large -scale mechanical maintenance, including portal crane, electric hoist, two groups of lifting ropes, hoisting rope and hook claw, the middle part of portal crane is slidably installed with crossbeam, lifting rope and hoisting rope are all connected below electric hoist, hook claw is connected at the end of hoisting rope, and the bottom end of two groups of lifting ropes is connected on crossbeam, still including clamping device, the clamping device includes two groups of first L type rods and two groups of first sliding seats slidably installed with crossbeam outer wall, and the bottom end of first L type rod and first sliding seat is slidably installed with slide rod and connecting seat respectively, and the bottom end of slide rod and connecting seat is installed with second L type rod and second sliding seat respectively, the bottom end of second sliding seat is slidably installed with supporting plate, and the side of second sliding seat and supporting plate is installed with first rack and second rack respectively, and the first rack and second rack are jointly installed with gear between.

[0007] Preferably, the upper surface of the supporting plate is provided with anti -skid lines.

[0008] Preferably, the inner side of the hook claw is provided with a rubber pad.

[0009] Preferably, the side of the first sliding seat is installed with a reset plate, the bottom end of the reset plate is installed with a gas cylinder, and the bottom end of the gas cylinder is fixedly connected with the side of the supporting plate.

[0010] Preferably, the inner wall of the gantry crane is provided with a first sliding groove on both sides, and the two ends of the cross beam are slidingly installed in the first sliding groove.

[0011] Preferably, the side wall of the cross beam is provided with a second sliding groove matched with one end of the first L-shaped rod, one end of the two groups of first L-shaped rods is slidingly installed in the second sliding groove, a bidirectional screw rod is rotatably installed in the second sliding groove, the outer wall of the bidirectional screw rod is screw-connected with one end of the two groups of first L-shaped rods, and a driving motor is further installed in the second sliding groove, and the output end of the driving motor is in transmission connection with one end of the bidirectional screw rod.

[0012] Preferably, the bottom of the gantry crane is provided with a lockable universal wheel.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] 1. The utility model discloses a precise position adjustment can be realized to clamping device through the cooperation of gear, first rack and second rack, can drive first L-shaped rod, sliding rod and second L-shaped rod to slide by bidirectional screw rod, and first sliding seat moves in this way, when first sliding seat contacts the outer wall of mechanical equipment, through the transmission of gear and second rack, the supporting plate can automatically slide to the lower side of mechanical equipment, and the position of the supporting plate does not need manual adjustment, and the convenience and accuracy of operation are greatly improved, and this self -adaptation clamping mode can quickly and effectively adapt to mechanical equipment of different shapes and sizes, and ensure that stable support and clamping force are provided in the hoisting process.

[0015] 2. The utility model discloses a flexible adjustment of the height of supporting plate is realized through the setting of air cylinder, so that it can be quickly and accurately adjusted according to mechanical equipment of different heights, so that the supporting plate can be closely attached to the bottom of equipment, and stable support force is provided, and in the process of height adjustment of the supporting plate, the synchronous adjustment of first L-shaped rod, sliding rod and second L-shaped rod can also be realized, and this synchronous coordination function ensures the stability and consistency of the whole clamping device, avoids the problems of unstable clamping or equipment inclination caused by the incoordination of each component, and in the hoisting process, each component can always keep a good cooperative working state, which provides a powerful guarantee for the safe hoisting of mechanical equipment. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the three-dimensional schematic view of the utility model.

[0017] Figure 2 It is the three-dimensional schematic view of the utility model.

[0018] Figure 3 It is Figure 2 the enlarged schematic view of A structure in the middle.

[0019] In the drawings, the correspondence between the component names and the drawing numbers is as follows:

[0020] 1 gantry crane; 2 electric hoist; 3 lifting rope; 4 hoisting rope; 5 hook claw; 6 first sliding groove; 7 cross beam; 801 first L-shaped rod; 802 sliding rod; 803 second L-shaped rod; 901 first sliding seat; 902 connecting seat; 903 second sliding seat; 10 first rack; 11 gear; 12 second rack; 13 supporting plate; 14 air cylinder; 15 reset plate; 16 second sliding groove. DETAILED DESCRIPTION

[0021] The embodiments of the present application will be further described in detail below with reference to the drawings and examples. The following examples are used to illustrate the present application, but cannot be used to limit the scope of the present application.

[0022] In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0023] In the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0024] Embodiment:

[0025] As shown in the accompanying Figure 1 to the accompanying Figure 3 as shown:

[0026] The utility model provides a hoisting equipment for large -scale machinery maintenance, including gantry crane 1, electric hoist 2, two groups of lifting rope 3, hoisting rope 4 and hook claw 5, its characterized in that: the middle portion sliding installation of gantry crane 1 has crossbeam 7, and lifting rope 3 and hoisting rope 4 all are connected below electric hoist 2, and hook claw 5 is connected in the end of hoisting rope 4, and the bottom of two groups of lifting rope 3 all are connected on crossbeam 7, still include clamping device, and clamping device includes two groups of first L type rod 801 and two groups of first slide 901 with the sliding installation of crossbeam 7 outer wall, and the bottom of first L type rod 801 and first slide 901 is slidingly installed with slide rod 802 and connecting seat 902 respectively, and the bottom of slide rod 802 and connecting seat 902 is installed with second L type rod 803 and second slide 903 respectively, and the bottom of second slide 903 is slidingly installed with supporting plate 13, and one side of second slide 903 and supporting plate 13 is installed with first rack 10 and second rack 12 respectively, and first rack 10 and second rack 12 are jointly installed with gear 11 between.

[0027] Among them, the upper surface of the supporting plate 13 is provided with anti-skid lines, the anti-skid lines increase the friction between the supporting plate 13 and the mechanical equipment, prevent the equipment from sliding on the upper surface of the supporting plate 13, ensure that the equipment can be stably placed on the supporting plate 13 during hoisting, and improve the safety of hoisting.

[0028] Among them, the inner side of the hook claw 5 is provided with a rubber pad, which plays a buffering and protecting role, avoids the hook claw 5 from directly contacting the surface of the mechanical equipment rigidly, and causes the surface of the equipment to be scratched or damaged.

[0029] Among them, the first slide 901 is provided with a reset plate 15 on one side, and the bottom of the reset plate 15 is provided with a gas cylinder 14, and the bottom of the gas cylinder 14 is fixedly connected with one side of the supporting plate 13. The gas cylinder 14 is provided to realize flexible adjustment of the height of the supporting plate 13, so that it can be quickly and accurately adjusted according to the mechanical equipment of different heights, so as to ensure that the supporting plate 13 can closely fit the bottom of the equipment and provide stable supporting force.

[0030] Among them, the inner wall of the gantry crane 1 is provided with a first sliding groove 6 on both sides, and the both ends of the crossbeam 7 are slidingly installed in the first sliding groove 6. The crossbeam 7 is realized to slide up and down in the gantry crane 1, so that the hoisted mechanical equipment can slide up and down, and the equipment can be hoisted to the designated place conveniently.

[0031] The side wall of the cross beam 7 is provided with a second sliding groove 16 matched with one end of the first L-shaped rod 801, one end of the two groups of first L-shaped rods 801 is slidingly installed in the second sliding groove 16, a bidirectional screw rod is rotatably installed in the second sliding groove 16, the outer wall of the bidirectional screw rod is screw-connected with one end of the two groups of first L-shaped rods 801, and a driving motor is installed in the second sliding groove 16, and the output end of the driving motor is in transmission connection with one end of the bidirectional screw rod. The driving motor drives the bidirectional screw rod to rotate, so that the two groups of first L-shaped rods 801 can synchronously and reversely slide in the second sliding groove 16, and the quick and accurate adjustment of the distance between the clamping devices is realized. This makes the equipment adapt to mechanical equipment of different widths, and improves the universality and operation efficiency of the clamping device.

[0032] The bottom of the portal crane 1 is provided with lockable universal wheels.

[0033] The working principle of the embodiment is as follows: when the large mechanical equipment needs to be hoisted for maintenance, first, the hoisting equipment is moved to a suitable position and locked through the lockable universal wheels at the bottom of the portal crane 1, so that the equipment can be kept stable during hoisting, the electric hoist 2 is operated, the hook claw 5 is lowered through the lifting rope 3 and the hoisting rope 4, the hook claw 5 is hooked on a suitable part of the mechanical equipment, and the mechanical equipment is lifted up;

[0034] The driving motor is started, the bidirectional screw rod driven by the driving motor rotates, the rotation of the bidirectional screw rod causes the two groups of first L-shaped rods 801 to slide in the second sliding groove 16 in opposite directions, so as to drive the sliding rods 802 and the second L-shaped rods 803 connected thereto to move, and the distance between the clamping devices is adjusted to adapt to the width of the mechanical equipment to be hoisted;

[0035] When the first sliding seat 901 of the clamping device approaches the outer wall of the mechanical equipment, the first L-shaped rod 801 is continuously moved, so that the first sliding seat 901 is in contact with the outer wall of the mechanical equipment. At this time, since the first sliding seat 901 cannot continue to move, the rotation of the first L-shaped rod 801 drives the gear 11 to rotate, the gear 11 is in meshing connection with the second rack 12, so as to drive the second rack 12 and the supporting plate 13 connected thereto to slide along the second sliding seat 903 towards the lower part of the mechanical equipment until the supporting plate 13 is completely moved to the bottom of the mechanical equipment. In the process of moving the supporting plate 13, the cylinder 14 at the bottom end of the reset plate 15 can be telescoped as needed; then, the electric hoist 2 is operated again, the cross beam 7 is lifted through the lifting rope 3, so as to drive the two groups of lifting ropes 3 connected with the cross beam 7 to rise, and the hoisting operation of the mechanical equipment is realized;

[0036] When the work is finished, the bidirectional screw driven by the driving motor rotates reversely, the rotation of the bidirectional screw will make the two groups of first L-shaped rods 801 slide in the second sliding groove 16 in opposite directions, thereby driving the sliding rods 802 and the second L-shaped rods 803 connected therewith to move, when the reset plate 15 abuts against the side wall of the gantry crane 1, the first sliding seat 901 cannot continue to move, and the continuous movement of the first L-shaped rod 801 will drive the gear 11 to rotate, the gear 11 is engaged with the second rack 12, thereby driving the second rack 12 and the supporting plate 13 connected therewith to slide along the second sliding seat 903 to the lower side of the mechanical equipment, until the supporting plate 13 is completely moved out from the bottom of the mechanical equipment.

[0037] Embodiments of the present application are given for the purpose of illustration and description, and are not intended to be exhaustive or to limit the application to the forms disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. Embodiments were chosen and described in order to best explain the principles of the application and its practical application, and to enable others skilled in the art to understand the application for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. A lifting device for large machinery maintenance, comprising a gantry crane (1), an electric hoist (2), two sets of lifting ropes (3), a lifting rope (4) and a hook (5), characterized in that: A crossbeam (7) is slidably mounted in the middle of the gantry crane (1), the lifting rope (3) and the hoisting rope (4) are both connected to the bottom of the electric hoist (2), the hook (5) is connected to the end of the hoisting rope (4), and the bottom ends of the two groups of lifting ropes (3) are both connected to the crossbeam (7); the gantry crane (1) also includes a clamping device, the clamping device includes two groups of first L-shaped rods (801) and two groups of first slides (901) slidably mounted on the outer wall of the crossbeam (7), the bottom ends of the first L-shaped rods (801) and the first slides (901) A slide rod (802) and a connecting seat (902) are slidably installed respectively, and a second L-shaped rod (803) and a second slide seat (903) are installed at the bottom ends of the slide rod (802) and the connecting seat (902) respectively, and a supporting plate (13) is slidably installed at the bottom end of the second slide seat (903), and a first rack (10) and a second rack (12) are installed on one side of the second slide seat (903) and the supporting plate (13) respectively, and a gear (11) is installed between the first rack (10) and the second rack (12) in meshing relationship.

2. The lifting equipment for large machinery maintenance as claimed in claim 1, characterized in that: The upper surface of the support plate (13) is provided with anti-slip lines.

3. The lifting equipment for large machinery maintenance as claimed in claim 1, characterized in that: A rubber gasket is provided on the inner side of the hook claw (5).

4. The lifting equipment for large machinery maintenance as claimed in claim 1, characterized in that: A reset plate (15) is installed on one side of the first slide (901), a cylinder (14) is installed on the bottom end of the reset plate (15), and the bottom end of the cylinder (14) is fixedly connected to one side of the support plate (13).

5. The lifting equipment for large machinery maintenance as claimed in claim 1, characterized in that: First sliding grooves (6) are provided on both sides of the inner wall of the gantry crane (1), and both ends of the crossbeam (7) are slidably installed in the first sliding grooves (6).

6. The lifting equipment for large machinery maintenance as claimed in claim 1, characterized in that: The side wall of the crossbeam (7) is provided with a second slide groove (16) matching one end of the first L-shaped rod (801), one end of the two groups of the first L-shaped rods (801) are slidably installed in the second slide groove (16), a bidirectional screw rod is rotatably installed in the second slide groove (16), the outer wall of the bidirectional screw rod is spirally connected to one end of the two groups of the first L-shaped rods (801), and a driving motor is also installed in the second slide groove (16), and the output end of the driving motor is transmission-connected to one end of the bidirectional screw rod.

7. The lifting equipment for large machinery maintenance as claimed in claim 1, characterized in that: The bottom of the gantry crane (1) is provided with a lockable universal wheel.

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