CN217422136U - Combined speed reduction elevator - Google Patents

Abstract

The utility model discloses a joint speed reduction lifting machine belongs to lifting machine technical field, including motor, joint speed reduction module, casing and hoist mechanism, the motor is connected with the input coaxial drive of joint speed reduction module, and the output and the hoist mechanism transmission of joint speed reduction module are connected, reduce rotational speed increase torque through joint speed reduction module from this, improve equipment's load-carrying capacity to drive the operation of whole lifting machine. The lifting mechanism is arranged in the machine shell, the lifting mechanism is used for pulling the steel rope to play a role of pulling the hoister, and the machine shell is integrally connected with the combined speed reduction module, so that the structural strength of the equipment is improved. The utility model discloses on the basis of prior art, through adding and establishing a set of bevel gear group, combine bevel gear group and worm gear reduction mechanism's characteristics combined action, reduced the lectotype requirement of using the motor, utilize 220v secondary motor to make equipment normal operating, solved in the past because the too big and problem of burning out of motor load is leaded to the turbine worm reduction ratio undersize.

Description

Combined speed reduction elevator

Technical Field

The utility model relates to a lifting machine technical field, concretely relates to joint speed reduction lifting machine.

Background

The patent that our side applied for before ([ chinese utility model ] CN202122970034.1 improved generation lifting machine) mainly adopts worm gear mechanism to play the purpose that reduces the rotational speed and improve the load, but because the relative slip speed between the worm gear mechanism meshing teeth is big, therefore transmission efficiency is low (generally 0.7 ~ 0.8, worm drive with auto-lock nature, efficiency is less than 0.5), for this our side proposes a new improvement scheme on the basis of original patent of proposing, through adding a set of helical gear speed reducer between the motor at worm gear mechanism, reach the purpose that improves lifting machine operating stability through worm gear mechanism and helical gear speed reducer combined operation, thereby under the condition that uses less power motor, also can make the lifting machine normal operating.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model provides a combined speed reduction lifting machine to solve among the prior art because the worm and worm gear mechanism reduction ratio is not big enough and lead to the less and problem of burning out of motor power.

In order to achieve the above object, the present invention provides the following technical solutions:

the utility model discloses a joint speed reduction lifting machine, including motor, joint speed reduction module, casing and hoist mechanism, the motor is connected with the input coaxial drive of joint speed reduction module, the output and the hoist mechanism transmission of joint speed reduction module are connected, hoist mechanism sets up in the casing, the casing links to each other with joint speed reduction module is integrative.

Furthermore, the combined speed reduction module comprises a gear reducer and a worm gear reducer, the shell is integrally connected with the worm gear reducer, the worm gear reducer is coaxially connected with the torque output end of the gear reducer in a transmission manner, and the torque input end of the gear reducer is coaxially connected with the motor in a transmission manner.

Further, the gear reducer comprises an upper gearbox, a driving gear, a driven gear, a low-speed output shaft and a lower gearbox, the motor is arranged on the upper gearbox in a threaded manner, the upper gearbox is fixedly connected with the lower gearbox in a threaded manner, the low-speed output shaft is inserted in the lower gearbox, the driven gear is fixedly sleeved on the low-speed output shaft and is in meshed transmission connection with the driving gear, and the driving gear is arranged in the upper gearbox;

the tooth shapes of the driving gear and the driven gear are straight teeth or helical teeth.

Furthermore, the gear transmission ratio of the driven gear to the driving gear is 2: 1-5: 1.

Furthermore, the worm gear speed reducer comprises a worm gear, a case and a worm, the low-speed output shaft is in coaxial transmission connection with the worm, the worm is in meshing transmission connection with the worm gear, the worm gear is sleeved on a worm gear shaft in the case, and the case are integrally cast.

Further, the casing includes into rope hole, goes up casing, lower casing and play rope pipe, worm gear reduction gear and last casing integrated casting shaping, it is fixed with lower casing spiro union to go up the casing, the upper end of going up casing and lower casing is provided with into the rope hole, the lower extreme of going up casing and lower casing is provided with out the rope pipe.

Furthermore, the lifting mechanism comprises a rope dividing pipe, a thread pressing device, a thread wheel and a gear ring, the rope dividing pipe is inserted into the rope inlet hole, the rope dividing pipe is located above the thread wheel, the thread wheel is rotatably arranged in the upper shell, the gear ring is arranged in the thread wheel and is in transmission connection with a gear fixed on a worm wheel shaft in a meshing manner, and the thread wheel is abutted to the thread pressing device.

Furthermore, the upper gearbox, the lower gearbox and the shell are all manufactured through a casting process.

Further, the motor is a 220V two-phase motor.

The utility model has the advantages of as follows:

the utility model discloses on the basis of prior art, add and establish a set of helical gear reduction gear, original worm gear mechanism has been solved, because the worm rotates the wearing and tearing that produce the axial force and cause the bearing, and, because helical gear reduction gear has reduced speed for the motor, consequently when rotating and transmitting the worm on, can make the rotational speed obtain further reduction, improve the reduction ratio from this, thereby make the torque obtain improving, the problem of the life-span reduction that leads to is big to solved worm gear mechanism friction loss, not only be favorable to worm gear even running, when being the motor lectotype simultaneously, can also reduce the requirement of motor lectotype, thereby practice thrift manufacturing cost, avoid the motor to drive the lifting machine, the problem of burning out because power is less appears.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.

Fig. 1 is a perspective view of a combined speed reduction elevator provided by the present invention;

fig. 2 is a cross-sectional view of a combined speed reduction elevator provided by the present invention;

fig. 3 is a perspective view of a combined deceleration module of the combined deceleration hoister provided by the utility model;

fig. 4 is a front view of a lifting mechanism of a combined speed reduction elevator provided by the present invention;

fig. 5 is a perspective view of a casing of the combined speed reduction elevator provided by the present invention;

fig. 6 is a perspective view of a lifting mechanism of the combined speed reduction elevator provided by the present invention;

in the figure: 1, a motor; 2, a combined speed reduction module; 21 a gear reducer; 211 an upper gearbox; 212 driving gear; 213 driven gear; 214 low speed output shaft; 215 lower gearbox; 22 worm gear reducer; 221 a worm gear; 222 a chassis; 223 a worm; 3, a machine shell; 31 rope inlet holes; 32 an upper shell; 33 a lower housing; 34, discharging the rope pipe; 4, a lifting mechanism; 41 rope dividing pipe; 42 a wire presser; 43 wire wheels; 44 ring gear.

Detailed Description

The present invention is described in detail with reference to the specific embodiments, and other advantages and effects of the present invention will be apparent to those skilled in the art from the disclosure herein. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As in fig. 1-6, the utility model discloses a joint speed reduction lifting machine, including motor 1, joint speed reduction module 2, casing 3 and hoist mechanism 4, motor 1 is connected with the coaxial transmission of joint speed reduction module 2's input, 380V three-phase motor is chooseed for use to motor 1. The output end of the combined speed reducing module 2 is in transmission connection with the lifting mechanism 4, so that the rotating speed is reduced and the torque is increased through the combined speed reducing module 2, the load capacity of equipment is improved, and the whole hoister is driven to operate. Lifting mechanism 4 sets up in casing 3, and lifting mechanism 4 is used for drawing the steel cable, plays the effect of dragging the lifting machine, and casing 3 links to each other with joint speed reduction module 2 is integrative, thereby improve equipment's structural strength.

According to the present invention, the combined reduction module 2 comprises the gear reducer 21 and the worm gear reducer 22, the casing 3 is integrally connected to the worm gear reducer 22, the worm gear reducer 22 has the advantages of large transmission ratio and stable transmission with low noise, but the worm gear reducer 22 cannot bear too high rotation speed, and the relative sliding speed between the meshing gear teeth is large, so the friction loss is large. Therefore, the worm gear reducer 22 and the torque output end of the gear reducer 21 are in coaxial transmission connection structurally, the bevel gear set in the gear reducer 21 is good in meshing performance during operation, the teeth are in continuous linkage, transmission can be stable, noise is low in operation process, contact ratio between the gears is large, load between the gears is reduced, bearing capacity of the gears is improved, and due to the fact that the torque input end of the gear reducer 21 is in coaxial transmission connection with the motor 1, a part of axial force located on the worm 223 is shared by the driven gear 213, and therefore axial force of the worm 223 is reduced, and friction loss caused to a bearing is reduced. Furthermore, the gear reducer 21 may also be driven by a gear with straight teeth as the tooth profile, in consideration of economic cost.

According to the utility model provides a specific embodiment, as fig. 3, gear reducer 21 includes gearbox 211, driving gear 212, driven gear 213, low-speed output shaft 214 and lower gearbox 215, the spiro union of motor 1 sets up on last gearbox 211, it is fixed with lower gearbox 215 spiro union to go up gearbox 211, it is equipped with low-speed output shaft 214 to insert on the lower gearbox 215, fixed cover is equipped with driven gear 213 on the low-speed output shaft 214, driven gear 213 is connected with driving gear 212 meshing transmission, driving gear 212 sets up in last gearbox 211, it is rotatory to drive driving gear 212 through the high-speed output of motor 1. In this embodiment, the tooth profiles of the driving gear 212 and the driven gear 213 are straight teeth or helical teeth, wherein the driving gear 212 can drive the driven gear 213 to rotate and obtain a certain reduction ratio, when the tooth profile is helical teeth, the driving gear 212 can drive the driven gear 213 to rotate while driving the worm reducer 22 with a higher rotation speed of the motor, and then the driven gear 213 drives the worm 223 to rotate, because the driving gear 212 and the driven gear 213 can always keep a meshed state, the noise generated by impact between the driving gears can be effectively reduced, the driven gear 213 drives the low-speed output shaft 214 to rotate, the low-speed output shaft 214 is in coaxial transmission connection with the worm 223, and therefore, the axial force on the worm 223 can be directly borne by the low-speed output shaft 214 and the driven gear 213, thereby effectively reducing the loss of the bearing. In addition, in order to balance the cost and the usability of the equipment, the transmission ratio of the gear reducer 21 needs to be kept between 2:1 and 5: 1.

According to the present invention, the worm gear reducer 22 includes the worm wheel 221, the casing 222 and the worm 223, as shown in fig. 2, because the low-speed output shaft 214 is connected with the worm 223 in a coaxial transmission manner, thereby making the worm 223 rotate and having the characteristics of low rotating speed and high torque, and because the worm wheel 221 and the worm 223 have the characteristics of self-locking and high transmission ratio, thereby improving the load capacity and the anti-slip buckle capacity of the equipment, when selecting the type motor, the standard of the motor can be reduced, thereby reducing the cost of the equipment. The worm 223 is in meshed transmission connection with the worm wheel 221, the worm wheel 221 is sleeved on a worm wheel shaft in the case 222, and the case 222 and the case 3 are cast and integrally formed, so that the durability of the equipment is improved, and the production is facilitated.

According to the utility model provides a specific embodiment, casing 3 is including going into rope hole 31, going up casing 32, lower casing 33 and play rope pipe 34, and quick-witted case 222 and last casing 32 integrated casting shaping go up casing 32 and lower casing 33 spiro union fixed, and the upper end of going up casing 32 and lower casing 33 is provided with into rope hole 31, and the lower extreme of going up casing 32 and lower casing 33 is provided with out rope pipe 34. When the hoisting mechanism is used, the steel wire rope enters from the rope inlet hole 31 and flows out from the rope outlet pipe 34, the hoisting mechanism 4 is used for clamping the steel wire rope in the upper shell 32 and the lower shell 33, and therefore the purpose that the hoisting machine moves up and down is achieved by coiling the steel wire rope.

According to the utility model provides a specific embodiment, hoist mechanism 4 is equipped with branch rope pipe 41 including dividing rope pipe 41, line ball ware 42, line wheel 43 and ring gear 44, going into the interpolation of rope hole 31, divides rope pipe 41 to be located line wheel 43 top for prevent the wire rope branching. The wire wheel 43 is rotatably arranged in the upper shell 32, a gear ring 44 is arranged in the wire wheel 43, and the gear ring 44 is in meshed transmission connection with a gear fixed on a worm wheel shaft, so that the wire wheel 43 is driven to rotate, the third-stage speed reduction of the elevator is realized, the running stability of the equipment is improved, and the steel wire rope is coiled. And the wire wheel 43 is abutted against the wire pressing device 42 to prevent the steel wire rope from being separated from the wire wheel 43.

According to the utility model provides a specific embodiment, go up gearbox 211, lower gearbox 215 and casing 3 and all form through the casting process preparation, wherein go up gearbox 211, lower gearbox 215 and adopt cast aluminium technology, casing 3 is cast iron technology production, can be guaranteeing off-the-shelf production efficiency and quality through this technology.

The utility model discloses use as follows:

the motor 1 drives the driving gear 212 to rotate, the driving gear 212 is in meshed transmission with the driven gear 213 to drive the driven gear 213 to rotate, the driven gear 213 is in coaxial transmission connection with the worm 223 through the low-speed output shaft 214, all axial force of the worm 223 points to the driven gear 213, the worm 223 drives the gear ring 44 to rotate through the worm wheel 221, and the gear ring 44 drives the wire wheel 43 to rotate, so that the purposes of coiling the steel wire rope and ascending and descending along the steel wire rope are achieved.

Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims (9)

1. The utility model provides a joint speed reduction lifting machine, characterized in that, includes motor (1), joint speed reduction module (2), casing (3) and hoist mechanism (4), motor (1) is connected with the coaxial transmission of the input of joint speed reduction module (2), the output and the hoist mechanism (4) transmission of joint speed reduction module (2) are connected, hoist mechanism (4) set up in casing (3), casing (3) link to each other with joint speed reduction module (2) an organic whole.

2. The combined speed-reducing hoisting machine as claimed in claim 1, characterized in that the combined speed-reducing module (2) comprises a gear reducer (21) and a worm gear reducer (22), the casing (3) is integrally connected with the worm gear reducer (22), the worm gear reducer (22) is coaxially and drivingly connected with the torque output end of the gear reducer (21), and the torque input end of the gear reducer (21) is coaxially and drivingly connected with the motor (1).

3. The combined speed reduction hoisting machine as claimed in claim 2, wherein the gear reducer (21) comprises an upper gearbox (211), a driving gear (212), a driven gear (213), a low-speed output shaft (214) and a lower gearbox (215), the motor (1) is screwed on the upper gearbox (211), the upper gearbox (211) is screwed and fixed with the lower gearbox (215), the low-speed output shaft (214) is inserted on the lower gearbox (215), the driven gear (213) is fixedly sleeved on the low-speed output shaft (214), the driven gear (213) is engaged and driven with the driving gear (212), and the driving gear (212) is arranged in the upper gearbox (211);

the tooth profiles of the driving gear (212) and the driven gear (213) are straight teeth or helical teeth.

4. The combined speed reducing elevator as claimed in claim 3, wherein the gear ratio of the driven gear (213) to the driving gear (212) is between 2:1 and 5: 1.

5. The combined speed-reducing elevator as claimed in claim 4, wherein the worm gear reducer (22) comprises a worm wheel (221), a casing (222) and a worm (223), the low-speed output shaft (214) is in coaxial transmission connection with the worm (223), the worm (223) is in meshing transmission connection with the worm wheel (221), the worm wheel (221) is sleeved on a worm wheel shaft in the casing (222), and the casing (222) and the casing (3) are cast and formed integrally.

6. The combined speed-reducing elevator as claimed in claim 2, wherein the casing (3) comprises a rope inlet hole (31), an upper casing (32), a lower casing (33) and a rope outlet pipe (34), the worm gear reducer (22) and the upper casing (32) are cast integrally, the upper casing (32) and the lower casing (33) are fixed by screwing, the upper ends of the upper casing (32) and the lower casing (33) are provided with the rope inlet hole (31), and the lower ends of the upper casing (32) and the lower casing (33) are provided with the rope outlet pipe (34).

7. The combined speed-reducing hoisting machine as claimed in claim 6, characterized in that the hoisting mechanism (4) comprises a rope dividing pipe (41), a thread presser (42), a pulley (43) and a gear ring (44), the rope dividing pipe (41) is inserted into the rope inlet (31), the rope dividing pipe (41) is positioned above the pulley (43), the pulley (43) is rotatably arranged in the upper casing (32), the gear ring (44) is arranged in the pulley (43), the gear ring (44) is in meshing transmission connection with a gear fixed on a shaft of the pulley, and the pulley (43) is abutted against the thread presser (42).

8. The combined speed reducing elevator as claimed in claim 3, characterized in that the upper gearbox (211), the lower gearbox (215) and the casing (3) are all manufactured by casting process.

9. A combined speed-reducing hoisting machine as defined in claim 7, characterized in that the motor (1) is a 220V two-phase motor.

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