A detachable single-drum hoist main shaft structure

Abstract

The utility model discloses a detachable single-drum hoist main shaft structure, which relates to the field of hoists. In order to solve the problem that in the single-drum hoists in the prior art, the hoist main shaft and the reel are fixedly connected, when the main shaft is damaged, the main shaft and the reel need to be disassembled synchronously for maintenance, which is extremely inconvenient due to the large size of the hoist. Both sides of the middle part of the upper end of the hoist support platform are fixedly connected with shaft lifting support columns, the upper ends of the shaft lifting support columns are fixedly connected with shaft fixing covers, the inner sides of the two shaft lifting support columns are fixedly connected with reel support columns, the upper ends of the reel support columns are provided with support grooves, four support rollers are rotatably connected in an arc arrangement inside the support grooves, a reel is rotatably connected at the upper end between the two reel support columns, a support tube is fixedly connected to the middle of the reel, and the main shaft is limitedly connected inside the support tube.

Description

Technical Field

[0001] The utility model relates to the field of elevators, in particular to a detachable single-drum elevator main shaft structure. Background Art

[0002] The hoist is a large-scale lifting mechanical equipment. The motor drives the mechanical equipment to drive the wire rope to drive the container to rise and fall in the shaft to complete the transportation task. The mine hoist has gradually evolved from the original water lifting tool. Modern mine hoists have large lifting capacity, high speed and high safety. They have developed into fully automatic heavy mining machinery controlled by electronic computers.

[0003] In a single-drum hoist, the hoist main shaft and the drum are fixedly connected. When the main shaft is damaged, the main shaft and the drum need to be disassembled simultaneously for repair. Since the hoist is usually large in size, it is extremely inconvenient to repair. Therefore, the market urgently needs to develop a detachable single-drum hoist main shaft structure to help people solve the existing problem. Utility Model Content

[0004] The purpose of the utility model is to provide a detachable single-drum hoist main shaft structure to solve the problem that the main shaft and the drum of the single-drum hoist proposed in the above-mentioned background technology are fixedly connected. When the main shaft is damaged, the main shaft and the drum need to be disassembled simultaneously for maintenance, which is extremely inconvenient to repair because the hoist is usually large in size.

[0005] To achieve the above-mentioned objectives, the utility model provides the following technical solutions: a detachable single-drum hoist main shaft structure, comprising a hoist support platform, both sides of the middle part of the upper end of the hoist support platform are fixedly connected with shaft lifting support columns, the upper end of the shaft lifting support column is fixedly connected with a shaft fixing cover, a roller bearing is limitedly connected between the upper end of the shaft lifting support column and the lower end of the shaft fixing cover, a drum support column is fixedly connected to the inner sides of the two shaft lifting support columns, a support groove is provided inside the upper end of the drum support column, four support rollers are rotatably connected in an arc shape inside the support groove, a semicircular groove is commonly provided on the upper end of the drum support column and on the upper ends of the four support rollers, a drum is rotatably connected to the upper end between the two drum support columns, a support tube is fixedly connected to the middle of the drum, and a main shaft is limitedly connected inside the support tube.

[0006] Preferably, a plurality of rectangular limiting grooves are arranged in an annular array on the inner end surface of the support tube, and a plurality of rectangular limiting parts are fixedly connected to the annular array on the main shaft, and the rectangular limiting parts slide into the rectangular limiting grooves.

[0007] Preferably, the middle portion of the support roller is rotatably connected inside the support groove via a support shaft, and both ends of the support tube extend out of both sides of the reel and slide into the semicircular groove.

[0008] Preferably, a first bearing groove is provided at the upper end of the shaft lifting support column, a second bearing groove is provided at the lower end of the shaft fixing cover, and both ends of the upper end of the roller bearing slide into the second bearing groove and the first bearing groove respectively.

[0009] Preferably, the shaft lifting support column is fixedly connected to the front and rear ends of the shaft fixing cover by bolts.

[0010] Preferably, two ends of the main shaft extend out of two sides of the support tube respectively and pass through the middle of the roller bearings on the two shaft lifting support columns respectively.

[0011] Preferably, a driving device is fixedly connected to one side of the upper end of the lifting machine support platform, and one end of the main shaft passes through the middle of the roller bearing and is connected to the output shaft of the driving device through a coupling.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. In the utility model, through the setting of the support tube, the middle part of the reel is fixedly connected with the support tube, the inner limit connection of the support tube is connected with the main shaft, a plurality of rectangular limit grooves are arranged in a circular array on the inner end surface of the support tube, a plurality of rectangular limit parts are fixedly connected in a circular array on the main shaft, the rectangular limit parts slide into the rectangular limit grooves, the support tube is driven to rotate by the rotation of the main shaft, and then the reel is driven to rotate, so that when the main shaft is separated from the reel, the main shaft can be directly pulled out from one side of the reel.

[0014] 2. In the utility model, through the arrangement of the reel support column, a support groove is arranged inside the upper end of the reel support column, and four support rollers are arranged in an arc shape and rotatably connected inside the support groove. A semicircular groove is arranged on the upper end of the reel support column and on the upper ends of the four support rollers. Both ends of the support tube extend out of the two sides of the reel and slide into the semicircular groove. The two ends of the support tube are supported by the support rollers inside the two support grooves, so that the weight of the reel and the auxiliary components is transferred to the reel support column, so that the weight of the reel and the auxiliary components is separated from the main shaft, reducing the weight of the main shaft, thereby reducing the probability of damage to the main shaft and facilitating the main shaft to be pulled out from one side of the reel.

[0015] 3. In the utility model, through the arrangement of the shaft lifting support column, the shaft lifting support column is fixedly connected on both sides of the middle part of the upper end of the hoist support platform, the upper end of the shaft lifting support column is fixedly connected with the shaft fixing cover, and the roller bearing is limitedly connected between the upper end of the shaft lifting support column and the lower end of the shaft fixing cover. The two ends of the main shaft extend out of the two sides of the support tube respectively and pass through the middle parts of the roller bearings on the two shaft lifting support columns respectively. The two ends of the main shaft are supported by the shaft lifting support column to ensure the stability of the main shaft during rotation. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1This is a front view of the main shaft structure of a detachable single-drum hoist of the utility model;

[0017] Figure 2 It is the main sectional view of the utility model;

[0018] Figure 3 It is a side sectional view of the reel support column of the utility model;

[0019] Figure 4 It is a side sectional view of the shaft lifting support column of the utility model.

[0020] In the figure: 1. elevator support platform; 101. driving device; 2. shaft lifting support column; 201. first bearing groove; 202. roller bearing; 3. shaft fixing cover; 301. second bearing groove; 302. bolt; 4. drum support column; 401. support groove; 402. support roller; 403. support shaft; 404. semicircular slot; 5. drum; 501. support tube; 502. rectangular limit groove; 6. main shaft; 601. rectangular limit part. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0022] See also Figure 1-4 The utility model provides an embodiment: a detachable single-drum hoist main shaft structure, including a hoist support platform 1, both sides of the middle part of the upper end of the hoist support platform 1 are fixedly connected with shaft lifting support columns 2, the upper end of the shaft lifting support column 2 is fixedly connected with a shaft fixing cover 3, a roller bearing 202 is limitedly connected between the upper end of the shaft lifting support column 2 and the lower end of the shaft fixing cover 3, the inner sides of the two shaft lifting support columns 2 are fixedly connected with a reel support column 4, a support groove 401 is arranged inside the upper end of the reel support column 4, four support rollers 402 are rotatably connected with the support groove 401, a semicircular clamping groove 404 is commonly provided on the upper end of the reel support column 4 and on the upper ends of the four support rollers 402, a reel 5 is rotatably connected with the upper end between the two reel support columns 4, a support tube 501 is fixedly connected to the middle of the reel 5, and a main shaft 6 is limitedly connected inside the support tube 501.

[0023] Furthermore, a plurality of rectangular limiting grooves 502 are arranged in a circular array on the inner end surface of the support tube 501, and a plurality of rectangular limiting parts 601 are fixedly connected to the main shaft 6 in a circular array. The rectangular limiting parts 601 slide into the rectangular limiting grooves 502, and the support tube 501 is driven to rotate by the rotation of the main shaft 6, thereby driving the reel 5 to rotate.

[0024] Furthermore, the middle part of the support roller 402 is rotatably connected inside the support groove 401 through the support shaft 403, and the two ends of the support tube 501 extend out of the two sides of the reel 5 and slide into the semicircular groove 404. The two ends of the support tube 501 are supported by the support rollers 402 inside the two support grooves 401, so that the weight of the reel 5 and the auxiliary components is transferred to the reel support column 4, so that the weight of the reel 5 and the auxiliary components is separated from the main shaft 6.

[0025] Furthermore, a first bearing groove 201 is provided at the upper end of the shaft lifting support column 2, a second bearing groove 301 is provided at the lower end of the shaft fixing cover 3, and both ends of the upper end of the roller bearing 202 slide into the second bearing groove 301 and the first bearing groove 201 respectively.

[0026] Furthermore, the shaft lifting support column 2 is fixedly connected to the shaft fixing cover 3 at both front and rear ends by bolts 302 .

[0027] Furthermore, two ends of the main shaft 6 extend out of the two sides of the support tube 501 and pass through the middle of the roller bearings 202 on the two shaft lifting support columns 2, respectively, so that the two ends of the main shaft 6 are supported by the shaft lifting support columns 2.

[0028] Furthermore, a driving device 101 is fixedly connected to one side of the upper end of the elevator support platform 1. One end of the main shaft 6 passes through the middle of the roller bearing 202 and is connected to the output shaft of the driving device 101 through a coupling, and the main shaft 6 is driven to rotate by the driving device 101.

[0029] Working principle: When in use, a plurality of rectangular limiting grooves 502 are arranged in an annular array on the inner end surface of the support tube 501, and a plurality of rectangular limiting parts 601 are fixedly connected in an annular array on the main shaft 6. The rectangular limiting parts 601 slide into the rectangular limiting grooves 502, and the support tube 501 is driven to rotate by the rotation of the main shaft 6, thereby driving the reel 5 to rotate. The two ends of the support tube 501 extend out of the two sides of the reel 5 and slide into the semicircular slot 404 respectively. The two ends of the support tube 501 are supported by the support rollers 402 inside the two support slots 401, so that the weight of the reel 5 and the auxiliary components is transferred to the reel support column 4, so that the weight of the reel 5 and the auxiliary components is separated from the main shaft 6. The two ends of the main shaft 6 extend out of the two sides of the support tube 501 respectively and pass through the middle of the roller bearings 202 on the two shaft lifting support columns 2 respectively. The two ends of the main shaft 6 are supported by the shaft lifting support column 2. After one end of the main shaft 6 passes through the middle of the roller bearing 202, it is connected to the output shaft of the driving device 101 through a coupling. The main shaft 6 is driven to rotate by the driving device 101. When the main shaft 6 is disassembled, the bolts 302 between the shaft lifting support column 2 and the shaft fixing cover 3 are separated, the shaft lifting support column 2 is lowered, one end of the main shaft 6 is separated from the coupling, and the roller bearings 202 at both ends of the main shaft 6 are removed. The main shaft 6 can be pulled out from one side of the support tube 501, making the disassembly of the main shaft 6 more convenient.

[0030] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A detachable single-drum hoist main shaft structure, comprising a hoist support platform (1), characterized in that: The middle part of the upper end of the hoist support platform (1) is fixedly connected to shaft lifting support columns (2) on both sides, the upper end of the shaft lifting support column (2) is fixedly connected to a shaft fixing cover (3), a roller bearing (202) is limitedly connected between the upper end of the shaft lifting support column (2) and the lower end of the shaft fixing cover (3), the inner sides of the two shaft lifting support columns (2) are fixedly connected to a reel support column (4), a support groove (401) is arranged inside the upper end of the reel support column (4), four support rollers (402) are arranged in an arc shape and are rotatably connected inside the support groove (401), a semicircular clamping groove (404) is commonly arranged at the upper end of the reel support column (4) and at the upper ends of the four support rollers (402), a reel (5) is rotatably connected to the upper end between the two reel support columns (4), a support tube (501) is fixedly connected to the middle of the reel (5), and a main shaft (6) is limitedly connected inside the support tube (501).

2. The detachable single-drum hoist main shaft structure according to claim 1 is characterized in that: A plurality of rectangular limiting grooves (502) are arranged in an annular array on the inner end surface of the support tube (501), and a plurality of rectangular limiting portions (601) are fixedly connected in an annular array on the main shaft (6), and the rectangular limiting portions (601) slide into the rectangular limiting grooves (502).

3. The detachable single-drum hoist main shaft structure according to claim 1 is characterized in that: The middle part of the support roller (402) is rotatably connected inside the support groove (401) via a support shaft (403), and the two ends of the support tube (501) respectively extend out of the two sides of the reel (5) and slide into the semicircular slot (404).

4. The detachable single-drum hoist main shaft structure according to claim 1 is characterized in that: The upper end of the shaft lifting support column (2) is provided with a first bearing groove (201), the lower end of the shaft fixing cover (3) is provided with a second bearing groove (301), and the two ends of the upper end of the roller bearing (202) slide into the second bearing groove (301) and the first bearing groove (201) respectively.

5. The detachable single-drum hoist main shaft structure according to claim 1 is characterized in that: The shaft lifting support column (2) and the shaft fixing cover (3) are fixedly connected at both the front and rear ends by bolts (302).

6. The detachable single-drum hoist main shaft structure according to claim 1 is characterized in that: The two ends of the main shaft (6) extend out of the two sides of the support tube (501) and pass through the middle of the roller bearings (202) on the two shaft lifting support columns (2).

7. The detachable single-drum hoist main shaft structure according to claim 1 is characterized in that: A driving device (101) is fixedly connected to one side of the upper end of the elevator support platform (1), and one end of the main shaft (6) passes through the middle of the roller bearing (202) and is connected to the output shaft of the driving device (101) via a coupling.

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