CN219362235U - Chain deviation preventing mechanism for elevator - Google Patents

Abstract

The utility model relates to the technical field of elevators, in particular to a chain deviation preventing mechanism for an elevator, which comprises an elevator transverse frame, wherein a dustproof device is fixedly connected to the upper end of the elevator transverse frame in a penetrating mode, a second base is fixedly connected to the left part of the upper end of the elevator transverse frame, a first base is fixedly connected to the right part of the upper end of the elevator transverse frame, a motor is fixedly connected to the right end of the first base, a driving roller is fixedly connected to the output end of the motor, the driving roller is movably connected with the second base and the first base through bearings, two gears are fixedly connected to the outer surfaces of the driving roller, transmission chains are respectively connected to the outer surfaces of the two gears in a transmission mode, two front limiting devices are movably connected to the front part of the upper end of the elevator transverse frame, and two rear limiting devices are movably connected to the rear part of the upper end of the elevator transverse frame. According to the chain deviation preventing mechanism for the elevator, the chain can be limited through the rear limiting device, and deviation is avoided.

Description

Chain deviation preventing mechanism for elevator

Technical Field

The utility model relates to the technical field of elevators, in particular to a chain deviation preventing mechanism for an elevator.

Background

The elevator is a large mechanical device for transportation by changing potential energy, such as a mine elevator, a dam passing elevator and the like. Broadly, elevators, crown blocks, hoists, car stables, cranes, hoist, etc. may be referred to as hoists. The elevator generally refers to large-scale mechanical equipment with larger power and stronger lifting capacity. The flexible piece wire rope and the transported goods are dragged by the power machine to move up and down to finish the transportation process, and the existing elevator has at least the following defects in the use process: 1. in the lifting process of the existing lifter, the chain is easy to shake to cause deviation, so that the chain is separated from the gear, and the use stability is affected; 2. in the use process of the existing elevator, dust prevention measures are often lacking, so that more dust is often present at the meshing position of the chain and the gear, and therefore, the chain deviation prevention mechanism for the elevator is proposed.

Disclosure of Invention

The utility model mainly aims to provide a chain deviation preventing mechanism for a hoisting machine, which can effectively solve the problems in the background technology.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a prevent chain off tracking mechanism for lifting machine, includes the lifting machine crossbearer, lifting machine crossbearer upper end alternates fixedly connected with dust keeper, lifting machine crossbearer upper end left portion fixedly connected with No. two bases, lifting machine crossbearer upper end right part fixedly connected with base, no. one base right-hand member fixedly connected with motor, motor output fixedly connected with driving roller, the driving roller passes through bearing and No. two bases and a base swing joint, driving roller surface fixedly connected with two gears, two the equal transmission of gear surface is connected with drive chain, lifting machine crossbearer upper end front portion swing joint has two front limit devices, lifting machine crossbearer upper end rear portion swing joint has two back limit devices, two back limit device and two front limit device structure are the same.

Preferably, the rear limiting device comprises a frame, a notch is formed in the front end of the frame, a plurality of guide wheels are movably connected to the rear groove wall of the notch through a rotating shaft, a clamping groove is formed in the front end of the frame, transverse plates are fixedly connected to the left end and the right end of the frame, and connecting bolts are movably connected to the upper ends of the transverse plates in an penetrating mode.

Preferably, round holes are formed in four corners of the upper end of the transverse frame of the lifter, and eight threaded holes are formed in the middle of the upper end of the transverse frame of the lifter.

Preferably, the clamping groove is in penetrating and movable connection with the transverse frame of the hoisting machine, the two connecting bolts are in threaded connection with the two threaded holes respectively, and the transmission chain is located in the frame.

Preferably, the dustproof device comprises a shielding plate, the shielding plate is of an arc-shaped structure, the four corners of the lower end of the shielding plate are fixedly connected with inserted bars, and the lower parts of the outer surfaces of the four inserted bars are fixedly connected with limiting circular plates in a penetrating mode.

Preferably, the four inserting rods are fixedly connected with the four round holes in an inserting mode respectively, and the four limiting circular plates are located on the upper portion of the transverse frame of the hoisting machine.

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

1. the frame is connected with the hoisting machine cross frame through the two connecting bolts through the rear limiting device, so that the guide wheels are positioned at two sides of the transmission chain, and the guide wheels can limit the transmission chain when the transmission chain shakes, and the transmission chain is prevented from being separated from the gears under the condition that the operation of the transmission chain is not affected;

2. through setting up dust keeper, alternate four inserted bars and lifting machine crossbearer and fix together, make the sunshade be located drive chain upper portion to can shelter from the junction of drive chain and gear, and then avoid dust and junction contact, alleviate the clearance burden.

Drawings

FIG. 1 is a schematic view of the overall structure of a mechanism for preventing chain deviation for a hoist according to the present utility model;

FIG. 2 is a schematic view of the overall structure of a rear limit device for a chain deviation prevention mechanism of a hoist according to the present utility model;

FIG. 3 is a schematic view showing the overall structure of a dust-proof device for a chain deviation prevention mechanism of a hoist according to the present utility model;

fig. 4 is a schematic view showing the overall structure of a transverse frame of a hoist for a mechanism for preventing chain deviation of the hoist according to the present utility model.

In the figure: 1. a hoisting machine cross frame; 2. a front limiting device; 3. a first base; 4. a motor; 5. a driving roller; 6. a rear limiting device; 7. a gear; 8. a drive chain; 9. a dust-proof device; 10. a second base; 11. a threaded hole; 12. a round hole; 61. a frame; 62. a cross plate; 63. a connecting bolt; 64. a clamping groove; 65. a guide wheel; 66. a notch; 91. a shutter; 92. a rod; 93. and a limit circular plate.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-4, the present utility model provides a technical solution:

the utility model provides a prevent chain off tracking mechanism for lifting machine, including lifting machine crossbearer 1, lifting machine crossbearer 1 upper end interlude fixedly connected with dust keeper 9, lifting machine crossbearer 1 upper end left portion fixedly connected with No. two base 10, lifting machine crossbearer 1 upper end right part fixedly connected with base 3, base 3 right-hand member fixedly connected with motor 4, motor 4 output fixedly connected with driving roller 5, driving roller 5 passes through bearing and No. two base 10 and No. 3 swing joint of base, driving roller 5 surface fixedly connected with two gears 7, two gear 7 surface all transmission connection have drive chain 8, lifting machine crossbearer 1 upper end front portion swing joint has two preceding stop device 2, lifting machine crossbearer 1 upper end rear portion swing joint has two back stop device 6, two back stop device 6 and two preceding stop device 2 structure are the same.

In this embodiment, the rear limiting device 6 includes a frame 61, a notch 66 is opened at the front end of the frame 61, a plurality of guide wheels 65 are movably connected to the rear groove wall of the notch 66 through a rotating shaft, a clamping groove 64 is opened at the front end of the frame 61, transverse plates 62 are fixedly connected to the left end and the right end of the frame 61, and connecting bolts 63 are movably connected to the upper ends of the two transverse plates 62 in a penetrating manner; round holes 12 are formed in four corners of the upper end of the transverse frame 1 of the hoister, and eight threaded holes 11 are formed in the middle of the upper end of the transverse frame 1 of the hoister; the clamping groove 64 is inserted and movably connected with the hoisting machine transverse frame 1, the two connecting bolts 63 are respectively connected with the two threaded holes 11 in a threaded mode, the transmission chain 8 is located in the frame 61, and the guide wheels 65 can rotate, so that the transmission chain 8 can be limited under the condition that the operation of the transmission chain 8 is not affected.

In this embodiment, the dust-proof device 9 includes a shielding plate 91, the shielding plate 91 has an arc structure, four corners of the lower end of the shielding plate 91 are fixedly connected with inserting rods 92, and the lower parts of the outer surfaces of the four inserting rods 92 are fixedly connected with limiting circular plates 93 in a penetrating and inserting manner; the four inserting rods 92 are fixedly connected with the four round holes 12 in a penetrating mode, and the four limiting circular plates 93 are located on the upper portion of the transverse frame 1 of the hoisting machine.

It should be noted that, the utility model is a kind of preventing the chain from deviating the organization for hoist, in the course of use, pass the diaphragm 62 with the tie bolt 63 and threaded connection of the threaded hole 11, make the tie bolt 63 mount the front stop device 2 and frame 61 with hoist crossbearer 1 together, the drive chain 8 is located the notch 66 at this moment, and the drive chain 8 is located between several guide pulleys 65, and then mount another back stop device 6 and two front stop devices 2 through this method, thus can make the guide pulley 65 carry on the spacing to drive chain 8 when the drive chain 8 shakes, and then avoid the drive chain 8 to shake and keep leading to breaking away from with the gear 7, has raised the stability, the shroud 91 shields the engagement of drive chain 8 and gear 7, can avoid the dust to contact with engagement, thus has reduced the burden of cleaning.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present 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 is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (5)

1. Chain deviation preventing mechanism for elevator, including elevator crossbearer (1), its characterized in that: the automatic lifting device comprises a lifting machine transverse frame (1), a dustproof device (9) is fixedly connected to the upper end of the lifting machine transverse frame (1), a second base (10) is fixedly connected to the left part of the upper end of the lifting machine transverse frame (1), a first base (3) is fixedly connected to the right part of the upper end of the lifting machine transverse frame (1), a motor (4) is fixedly connected to the right end of the first base (3), a driving roller (5) is fixedly connected to the output end of the motor (4), the driving roller (5) is movably connected with the second base (10) and the first base (3) through bearings, two gears (7) are fixedly connected to the outer surface of the driving roller (5), two front limiting devices (2) are respectively connected to the outer surfaces of the two gears (7) in a driving mode, two rear limiting devices (6) are movably connected to the front part of the upper end of the lifting machine transverse frame (1), and the two rear limiting devices (6) and the two front limiting devices (2) are identical in structure;

the rear limiting device (6) comprises a frame (61), a notch (66) is formed in the front end of the frame (61), a plurality of guide wheels (65) are movably connected to the rear groove wall of the notch (66) through a rotating shaft, a clamping groove (64) is formed in the front end of the frame (61), a transverse plate (62) is fixedly connected to the left end and the right end of the frame (61), and connecting bolts (63) are movably connected to the upper ends of the transverse plate (62) in an penetrating mode.

2. The chain deviation preventing mechanism for a hoist as claimed in claim 1, characterized in that: round holes (12) are formed in four corners of the upper end of the hoisting machine transverse frame (1), and eight threaded holes (11) are formed in the middle of the upper end of the hoisting machine transverse frame (1).

3. The chain deviation preventing mechanism for a hoist as claimed in claim 1, characterized in that: the clamping groove (64) is in penetrating and movable connection with the hoisting machine transverse frame (1), the two connecting bolts (63) are respectively in threaded connection with the two threaded holes (11), and the transmission chain (8) is located in the frame (61).

4. The chain deviation preventing mechanism for a hoist as claimed in claim 1, characterized in that: dustproof device (9) are including sunshade (91), sunshade (91) are arc structure, all fixedly connected with inserted bar (92) in sunshade (91) lower extreme four corners, four the lower part of inserted bar (92) surface all alternates fixedly connected with spacing plectane (93).

5. The chain deviation preventing mechanism for a hoist as in claim 4, characterized in that: the four inserting rods (92) are fixedly connected with the four round holes (12) in a penetrating mode, and the four limit circular plates (93) are located on the upper portion of the transverse frame (1) of the hoisting machine.