CN220664813U - Lifting device for maintenance - Google Patents

Abstract

The utility model relates to the field of coal mining, in particular to a lifting device for maintenance. The lifting device for maintenance, provided by the utility model, can be used for conveniently maintaining fault points at the high positions of the electromechanical equipment of the coal mine and improving the convenience and safety of maintenance operation. The lifting device for maintenance comprises a movable frame, a sliding seat, a first motor, a first screw rod and the like, wherein the upper side of the middle part of the movable frame is slidably connected with the sliding seat, the left and right rear sides of the sliding seat are respectively connected with the first motor, the output shafts of the first motors are respectively connected with the first screw rod, and the first screw rods are respectively rotatably connected with the sliding seat. According to the utility model, the sliding block is controlled by the first motor and the first screw rod, so that the folding frame is used for lifting the lifting table, and the operation that a maintainer approaches to the top of the coal mine tunnel is lifted, thereby achieving the effects of conveniently maintaining electromechanical equipment at the high position of the coal mine tunnel and improving the convenience of maintenance operation.

Description

Lifting device for maintenance

Technical Field

The utility model relates to the field of coal mining, in particular to a lifting device for maintenance.

Background

Coal mine machinery refers to mechanical and electrical equipment used in the coal mine industry. The electromechanical system of the coal mine comprises mine lifting equipment, coal mining machinery, ventilation equipment, lighting equipment, power transmission and distribution equipment and the like. These devices play an important role in coal mine production, and relate to aspects such as mining, transportation, ventilation, safety and the like of coal mines. When the electromechanical equipment or the power transmission line in the coal mine breaks down and needs to be maintained, the maintenance personnel need to maintain the fault point at the high position because the electromechanical equipment for coal mining is large in size, and the operation is inconvenient.

Therefore, a lifting device for maintenance, which can conveniently maintain fault points at high positions of coal mine electromechanical equipment and improve the convenience and safety of maintenance operation, is developed at present.

Disclosure of Invention

In order to overcome the defect that the existing maintenance of the fault point at the high position of the large-scale electromechanical device in the coal mining area is inconvenient, the utility model provides the lifting device for maintenance, which can be used for conveniently maintaining the fault point at the high position of the electromechanical device of the coal mine and improving the convenience and safety of maintenance operation.

The technical implementation scheme of the utility model is as follows: the utility model provides a lifting device is used in maintenance, including moving the frame, the sliding seat, a motor, a screw cap, the sliding block, the folding leg, elevating platform and actuating mechanism, it is connected with the sliding seat to remove frame middle part upside slidingtype, both sides all are connected with first motor about the sliding seat, all be connected with first lead screw on the first motor output shaft, first lead screw all is connected with the sliding seat rotation type, first lead screw rear portion all screw thread type is connected with the sliding block, the sliding block all is connected with the sliding seat slidingtype, the sliding block all is connected with the folding leg with the sliding seat between the rotation type, folding leg top rotation type is connected with the elevating platform, folding leg rear portion upside and elevating platform slip and rotation type are connected, be equipped with automatic control sliding seat on the moving frame and carry out the actuating mechanism who removes, the moving frame bottom is equipped with the stop gear who restriction removes.

Further, the driving mechanism comprises a second motor and a second screw rod, the right side of the moving frame is connected with the second motor, the output shaft of the second motor is connected with the second screw rod, the second screw rod is connected with the sliding seat in a threaded mode, the left side of the second screw rod is connected with the moving frame in a rotary mode, the output shaft of the second motor rotates to drive the screw rod to rotate, and the screw rod rotates to control the sliding frame to move left and right on the moving frame.

Further, stop gear is including two-way lead screw, the rack, the rotating turret, gear and supporting screw, it is connected with two-way lead screw to remove the rotating turret lower part, two equal screw thread type is connected with the rack about the two-way lead screw, the rack all is connected with the moving turret slidingtype, two downside all rotation type is connected with a plurality of rotating turrets about the moving turret, all be connected with the gear on the rotating turret, the gear all meshes with adjacent rack, two equal screw thread type is connected with supporting screw on the one side that the rotating turret is close to each other about, two-way lead screw rotates and makes the rack keep away from each other, the rack keeps away from each other and meshes with the gear, make the rotating turret rotate and open, drive supporting screw and rotate afterwards rotatory supporting screw, make supporting screw bottom and ground contact, restrict the removal of removing the frame, improve and remove the frame stability.

Further, the bottom of the movable frame is provided with universal wheels.

Further, a tool placing box is arranged at the top of the lifting table.

Further, a knob is arranged on the left side of the bidirectional screw rod.

The utility model has the beneficial effects that: 1. according to the utility model, the sliding block is controlled by the first motor and the first screw rod, so that the folding frame is used for lifting the lifting table, and the operation that a maintainer approaches to the top of the coal mine tunnel is lifted, thereby achieving the effects of conveniently maintaining electromechanical equipment at the high position of the coal mine tunnel and improving the convenience of maintenance operation.

2. According to the utility model, the gear is controlled to rotate through the rack, the rotating frame is driven to rotate by the gear to rotate, the movable support screw rod is used for limiting the movable frame, and the effects of limiting the movement of the movable frame and improving the stability of the movable frame can be achieved.

Drawings

Fig. 1 is a schematic perspective view of the present utility model.

Fig. 2 is a schematic structural view of the present utility model.

Fig. 3 is a schematic perspective view of the driving mechanism of the present utility model.

Fig. 4 is a schematic perspective view of a limiting mechanism according to the present utility model.

In the above figures: 1: moving rack, 2: sliding seat, 3: first motor, 4: first lead screw, 5: sliding block, 6: folding leg, 7: lifting table, 8: drive mechanism, 81: second motor, 82: second screw rod, 9: limit mechanism, 91: bidirectional screw, 92: rack, 93: rotating frame, 94: gear, 95: and supporting the screw.

Detailed Description

The present utility model will be described in detail with reference to the accompanying drawings.

The utility model provides a lifting device is used in maintenance, as shown in fig. 1 and 2, including moving frame 1, sliding seat 2, first motor 3, first lead screw 4, sliding block 5, folding leg 6, elevating platform 7 and actuating mechanism 8, moving frame 1 middle part upside slidingtype is connected with sliding seat 2, it is equipped with the universal wheel to remove frame 1 bottom, conveniently remove frame 1, both sides all are connected with first motor 3 about sliding seat 2, all be connected with first lead screw 4 on the output shaft of first motor 3, first lead screw 4 all is connected with sliding seat 2 rotation type, first lead screw 4 rear portion all is connected with sliding block 5, sliding block 5 all is connected with sliding seat 2 slidingtype, sliding block 5 all is connected with folding leg 6 with sliding seat 2 between the rotation type, elevating platform 7 top is equipped with the instrument and places the case, conveniently place maintenance tool, folding leg 6 rear portion upside and elevating platform 7 slip and rotation type are connected, be equipped with actuating mechanism 8 on moving frame 1, move 1 bottom stop gear 9.

As shown in fig. 1 and 3, the driving mechanism 8 includes a second motor 81 and a second screw rod 82, the right side of the moving frame 1 is connected with the second motor 81, the output shaft of the second motor 81 is connected with the second screw rod 82, the second screw rod 82 is in threaded connection with the sliding seat 2, and the left side of the second screw rod 82 is in rotary connection with the moving frame 1.

As shown in fig. 1, 2 and 4, the limiting mechanism 9 comprises a bidirectional screw rod 91, a rack 92, a rotating frame 93, a gear 94 and a supporting screw 95, the lower part of the moving frame 1 is rotationally connected with the bidirectional screw rod 91, a knob is arranged on the left side of the bidirectional screw rod 91, the bidirectional screw rod 91 is conveniently rotated, the left part and the right part of the bidirectional screw rod 91 are respectively and spirally connected with the rack 92, the rack 92 is respectively and slidably connected with the moving frame 1, the left side and the right side of the moving frame 1 are respectively and rotatably connected with a plurality of rotating frames 93, the rotating frames 93 are respectively and rotatably connected with the gear 94, the gear 94 is meshed with the adjacent racks 92, and the supporting screw 95 is respectively and spirally connected with one side, close to each other, of the left rotating frames 93.

When the movable frame 1 is used, firstly, the movable frame 1 is moved to an area needing maintenance in a coal mine operation area, then, the bidirectional screw rods 91 are rotated to enable racks 92 to be mutually far away, the racks 92 are mutually far away and meshed with gears 94, so that the rotary frame 93 is rotated to be unfolded, the supporting screw rods 95 are driven to rotate, then, the supporting screw rods 95 are rotated to enable the bottoms of the supporting screw rods 95 to be in contact with the ground, the movement of the movable frame 1 is limited, the stability of the movable frame 1 is improved, after the movable frame 1 is fixed, a maintenance person stands on the lifting table 7, the first screw rods 4 are rotated through the output shafts of the first motor 3, the sliding blocks 5 are enabled to move forwards, the folding frame 6 is enabled to lift the lifting table 7 upwards, the lifting table 7 is enabled to move upwards, maintenance person is enabled to move upwards, the electromechanical equipment at the high position of the coal mine is maintained, the second screw rods 82 are controlled to rotate through the output shafts of the second motor 81, the sliding seat 2 can move left and right on the movable frame 1, the range of the maintenance area is adapted, the situation that the first motor 3 is prevented from reversely climbing or moving the movable frame 1 is avoided, after the maintenance is completed, the first motor 3 is enabled to control the first motor 4 to rotate, the sliding blocks 5 to reset, and the folding frame 7 can be reset and then, the folding frame 7 can be lifted downwards, and the folding frame 7 can be moved safely.

It should be understood that this example is only illustrative of the utility model and is not intended to limit the scope of the utility model. Further, it is understood that various changes and modifications may be made by those skilled in the art after reading the teachings of the present utility model, and such equivalents are intended to fall within the scope of the claims appended hereto.

Claims (6)

1. A lifting device for maintenance, which is characterized in that: including movable frame (1), sliding seat (2), first motor (3), first lead screw (4), sliding block (5), folding leg (6), elevating platform (7) and actuating mechanism (8), movable frame (1) middle part upside slidingtype is connected with sliding seat (2), both sides all are connected with first motor (3) about sliding seat (2), all be connected with first lead screw (4) on first motor (3) output shaft, first lead screw (4) all are connected with sliding seat (2) rotation type, first lead screw (4) rear portion all screw thread type is connected with sliding block (5), sliding block (5) all are connected with sliding seat (2) slidingtype, sliding frame (6) top pivoted is connected with elevating platform (7), folding frame (6) rear portion upside and elevating platform (7) slip and pivoted are connected, be equipped with on movable frame (1) automatic control sliding seat (2) and carry out actuating mechanism (8), movable frame (1) bottom is equipped with limiting mechanism (9).

2. A lifting device for maintenance according to claim 1, wherein: the driving mechanism (8) comprises a second motor (81) and a second screw rod (82), the right side of the moving frame (1) is connected with the second motor (81), the output shaft of the second motor (81) is connected with the second screw rod (82), the second screw rod (82) is connected with the sliding seat (2) in a threaded mode, the left side of the second screw rod (82) is rotationally connected with the moving frame (1), the output shaft of the second motor (81) rotates to drive the screw rod to rotate, and the screw rod rotates to control the sliding frame to move left and right on the moving frame (1).

3. A lifting device for maintenance according to claim 2, wherein: stop gear (9) including two-way lead screw (91), rack (92), rotating turret (93), gear (94) and supporting screw (95), it is connected with two-way lead screw (91) to remove frame (1) lower part rotation type, two equal screw thread formula is connected with rack (92) about two parts of two-way lead screw (91), rack (92) all are connected with moving frame (1) slidingtype, it is connected with a plurality of rotating turret (93) to remove both sides all rotation type about frame (1), all be connected with gear (94) on rotating turret (93), gear (94) all meshes with adjacent rack (92), all screw thread type is connected with supporting screw (95) on the one side that two-part rotating turret (93) are close to each other, two-way lead screw (91) rotate and make rack (92) keep away from each other, rack (92) are kept away from each other and are meshed with gear (94), make rotating turret (93) rotate and open, drive supporting screw (95) and rotate afterwards supporting screw (95) for supporting screw (95) bottom and ground contact, remove frame (1) to the restriction.

4. A lifting device for maintenance according to claim 1, wherein: the bottom of the movable frame (1) is provided with universal wheels.

5. A lifting device for maintenance according to claim 1, wherein: the top of the lifting table (7) is provided with a tool placement box.

6. A lifting device for maintenance according to claim 3, wherein: the left side of the bidirectional screw rod (91) is provided with a knob.