CN217056259U

CN217056259U - Speed reducer door machine

Info

Publication number: CN217056259U
Application number: CN202220791119.5U
Authority: CN
Inventors: 陈杰伦; 黎锦钊; 陈炜亮
Original assignee: Foshan Mingyiyang Machinery Technology Co ltd
Current assignee: Foshan Mingyiyang Machinery Technology Co ltd
Priority date: 2022-04-07
Filing date: 2022-04-07
Publication date: 2022-07-26
Anticipated expiration: 2032-04-07

Abstract

The application relates to the technical field of speed reducers, and discloses a speed reducer door machine which is used for driving a gate to open and close and comprises a transmission assembly and a motor, wherein the transmission assembly comprises a worm and worm gear assembly, a multistage crank arm assembly, a transmission shaft and an output shaft; the transmission shaft passes through multistage crank arm subassembly with output shaft connects, the transmission shaft bottom cover is equipped with first gear, the motor is used for passing through worm and worm wheel subassembly drive first gear revolve to the drive transmission shaft drives multistage crank arm subassembly makes the output shaft rotates. The utility model discloses have with low costs, durable and the high beneficial effect of suitability.

Description

Speed reducer door machine

Technical Field

The utility model belongs to the technical field of the speed reducer, in particular to speed reducer door machine.

Background

The electric gate is also called a car stopper and a barrier gate, is a channel entrance and exit management device specially used for limiting the running of motor vehicles on roads, is widely applied to a highway toll station and a parking lot system management vehicle channel at present, and is used for managing the entrance and the exit of the vehicles.

At present, an electric gate is basically driven by a speed reducer door machine on the market, however, most of the existing speed reducer door machines adopt a driving mode of 'primary gear transmission → secondary worm and gear transmission → output shaft', namely a driving mode of secondary transmission, however, the driving mode needs to be provided with a motor with high-power input to meet the torque force required by the opening and closing of the electric gate, the electric quantity is consumed, and the cost of the motor is higher.

Accordingly, the prior art is in need of improvement and development.

SUMMERY OF THE UTILITY MODEL

The application aims to provide a speed reducer door machine, which can reduce the cost of a motor and realize that a low-power motor provides large torque output.

The application provides a speed reducer portal crane, which is used for driving a gate to be opened and closed and comprises a transmission assembly and a motor, wherein the transmission assembly comprises a worm and worm gear assembly, a multi-stage crank arm assembly, a transmission shaft and an output shaft; the transmission shaft is connected with the output shaft through the multi-stage crank arm assembly, a first gear is sleeved at the bottom of the transmission shaft, and the motor is used for driving the first gear to rotate through the worm and worm gear assembly, so that the transmission shaft is driven to drive the multi-stage crank arm assembly to enable the output shaft to rotate.

The application provides a speed reducer door machine drives the output shaft through setting up multistage crank arm subassembly and rotates, changes traditional single-stage transmission mode into multi-stage transmission's mode, can dispose the reduction ratio as required to it provides big torsion output to realize the miniwatt motor, can reduce motor cost.

Further, the worm and worm gear assembly comprises a worm gear shaft and a worm shaft which are meshed with each other, the worm gear shaft is provided with a second gear, and the second gear is meshed with the first gear.

Further, the worm and worm gear assembly comprises a worm shaft, and the diameter of the second gear is smaller than that of the first gear.

Furthermore, a third gear is arranged at the end part of the worm shaft close to the motor, a fourth gear is arranged on an output shaft of the motor, the third gear is meshed with the fourth gear, and the diameter of the fourth gear is smaller than that of the third gear.

Furthermore, the multi-stage crank arm assembly comprises a first connecting arm, a second connecting arm and a third connecting arm, and the first connecting arm is sleeved on the transmission shaft; the second connecting arm comprises a first connecting part and a second connecting part, a third limiting hole is formed in the connecting position of the first connecting part and the second connecting part, and the second connecting arm is sleeved on the output shaft through the third limiting hole; the both ends of third linking arm respectively with first connecting portion and first linking arm is articulated.

Further, the first connecting arm, the second connecting arm and the third connecting arm can be detached.

In practical application, can change the shape and the length of linking arm as required, then change different linking arms to improve multistage crank arm assembly's suitability, compare the multistage crank arm assembly of integration, more convenient change and maintenance.

Furthermore, one end of the first connecting arm is provided with a sleeve hole for being sleeved into the transmission shaft, an open slot for communicating the sleeve hole with the end surface of the first connecting arm, and a thread adjusting hole penetrating through two side walls of the open slot, wherein the thread adjusting hole is used for being connected with an adjusting screw to adjust the distance between the two side walls of the open slot, so that the clamping force between the sleeve hole and the transmission shaft is adjusted.

Through this kind of fixed mode, can satisfy the not transmission shaft of unidimensional, improve the suitability of first linking arm.

Furthermore, an included angle is formed between the first connecting portion and the second connecting portion, and the included angle is an obtuse angle.

Further, the worm and worm wheel assembly, the transmission shaft and the output shaft are arranged inside the metal box body.

Further, the metal box body is of a hollow structure.

According to the above, the utility model discloses a speed reducer door machine drives the output shaft through setting up multistage crank arm subassembly and rotates, changes traditional single-stage transmission mode into multistage driven mode, can dispose the reduction ratio as required to realize that the miniwatt motor provides big torque output, can reduce motor cost.

Additional features and advantages of the present application will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the embodiments of the present application. The objectives and other advantages of the application may be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.

Drawings

Fig. 1 is a schematic structural diagram of a reducer gantry crane provided in an embodiment of the present application.

Fig. 2 is an internal structure schematic diagram of a reducer gantry crane provided in an embodiment of the present application.

Fig. 3 is a schematic structural diagram of a first connecting arm according to an embodiment of the present disclosure.

Description of the reference symbols:

111. a worm gear shaft; 112. a second gear; 113. a worm shaft; 114. a third gear; 120. a multi-stage crank arm assembly; 121. a first connecting arm; 122. an open slot; 123. a threaded adjustment hole; 124. a second connecting arm; 1240. a first connection portion; 1241. a second connecting portion; 125. a third limiting hole; 126. a third connecting arm; 130. a drive shaft; 131. a first gear; 140. an output shaft; 200. a motor; 300. a metal box body.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

The following disclosure provides many different embodiments or examples for implementing different features of the invention. In order to simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present disclosure may repeat reference numerals and/or reference letters in the various examples for purposes of simplicity and clarity and do not in itself dictate a relationship between the various embodiments and/or arrangements discussed.

Referring to fig. 1 and 2, the speed reducer portal crane of the present invention for driving the gate to close includes a transmission assembly and a motor 200, wherein the transmission assembly includes a worm and worm gear assembly, a multi-stage crank arm assembly 120, a transmission shaft 130 and an output shaft 140; the transmission shaft 130 is connected with the output shaft 140 through the multi-stage crank arm assembly 120, the first gear 131 is sleeved at the bottom of the transmission shaft 130, and the motor 200 is used for driving the first gear 131 to rotate through the worm and worm gear assembly, so that the transmission shaft 130 is driven to drive the multi-stage crank arm assembly 120 to rotate the output shaft 140.

Specifically, the output shaft of the motor 200 and the worm shaft 113 can be connected by meshing gears, and the output shaft of the motor 200 rotates to drive the two gears to rotate, so as to drive the worm shaft 113 to rotate; or the output shaft of the motor 200 is directly connected with the worm shaft 113 to drive the worm shaft 113 to rotate; thereby driving the worm wheel shaft 111 to rotate, the bottom of the worm wheel shaft 111 is meshed with the first gear 131 through the gear, thereby driving the transmission shaft 130 to rotate, further enabling each joint of the multi-stage crank arm assembly 120 to swing, and finally enabling the output shaft 140 connected with the tail end of the multi-stage crank arm assembly 120 to rotate. The application provides a speed reducer door machine drives the output shaft through setting up multistage crank arm subassembly and rotates, changes traditional single-stage transmission mode into multistage driven mode, can dispose the reduction ratio as required to realize that the miniwatt motor provides big torsion output, can reduce motor cost. In some embodiments, the output shaft of the motor 200 may be directly connected to the worm shaft 113.

In some preferred embodiments, the worm and worm gear assembly includes a worm shaft 111 and a worm shaft 113 that are engaged with each other, the worm shaft 111 is provided with a second gear 112, and the second gear 112 is engaged with the first gear 131. With this arrangement, the output torque can be further increased compared to a case where the output shaft of the motor 200 can be directly connected to the worm shaft 113.

In some embodiments, different sizes of the second gear 112 and the first gear 131 can be selected to mesh as needed to achieve different speed reduction effects.

In some preferred embodiments, the diameter of the second gear 112 is smaller than the diameter of the first gear 131. With this arrangement, the output torque can be increased.

In a further embodiment, the end of the worm shaft 113 near the motor 200 is provided with a third gear 114, the output shaft of the motor 200 is provided with a fourth gear, the third gear 114 meshes with the fourth gear, and the diameter of the fourth gear is smaller than the diameter of the third gear 114. With this arrangement, the output torque can be further improved.

As can be seen from the above, the motor 200 and the worm shaft 113 serve as a first-stage transmission assembly, and the worm shaft 113 is driven to rotate by the motor; the worm and worm wheel assembly is used as a second-stage transmission assembly; a third-stage transmission assembly is arranged between the worm wheel and the first gear 131 and drives the transmission shaft 130 to rotate; the transmission shaft 130 and the multi-stage crank arm assembly 120 are used as a fourth-stage transmission assembly; therefore, the speed reducer door machine is formed by the first-stage transmission assembly → the second-stage transmission assembly → the third-stage transmission assembly → the fourth-stage transmission assembly, the torque force of the speed reducer is increased by arranging the multistage transmission mode, so that the output of large torque force can be realized by a low-power motor, and the cost of the motor can be reduced.

In some embodiments, the multi-stage crank arm assembly 120 is a one-piece structure, i.e., it is not detachable from its internal components.

In some preferred embodiments, the multi-stage crank arm assembly 120 includes a first connecting arm 121, a second connecting arm 124 and a third connecting arm 126, the first connecting arm 121 is sleeved on the transmission shaft 130; the second connecting arm 124 comprises a first connecting portion 1240 and a second connecting portion 1241, a third limiting hole 125 is formed at the connecting position of the first connecting portion 1240 and the second connecting portion 1241, and the second connecting arm 124 is sleeved on the output shaft 140 through the third limiting hole 125; both ends of the third connecting arm 126 are hinged to the first connecting portion 1240 and the first connecting arm 121, respectively. By this connection, the flexibility of the multi-stage crank arm assembly 120 can be improved.

In addition, the first connecting arm 121, the second connecting arm 124, and the third connecting arm 126 are all detachable. In practical application, can change the shape and the length of linking arm as required, then change different linking arms to improve multistage turning arm assembly 120's suitability, compare the multistage turning arm assembly 120 of integral type structure, more conveniently change and maintain.

In a further embodiment, one end of the first connecting arm 121 is provided with a sleeve hole for being sleeved into the transmission shaft 130, an open groove 122 communicating the sleeve hole and the end surface of the first connecting arm 121, and a screw adjusting hole 123 penetrating through both side walls of the open groove 122, and the screw adjusting hole 123 is used for being connected with an adjusting screw to adjust a distance between both side walls of the open groove 122, thereby adjusting a clamping force between the sleeve hole and the transmission shaft 130. By such a fixing manner, the first connecting arm 121 can meet the transmission shafts 130 with different sizes, and the applicability of the first connecting arm 121 is improved. The connection between the second connecting arm 124 and the output shaft 140 may also be made in this manner.

In some embodiments, the first connection portion 1240 and the second connection portion 1241 have an included angle therebetween, and the included angle is an obtuse angle. In practical application, because the speed reducer door machine of this application is generally vertical installation in the quick-witted case of electronic gate, motor 200 is in the bottom, the portion that output shaft 140 exposes at the quick-witted case overlaps establishes the plug-in strip (being the gate), because receive the influence of the gravity of plug-in strip self, output shaft 140 can rotate, consequently, the second linking arm 124 that the cover was established at output shaft 140 generally is connected with the spring rope, this spring rope is used for preventing that output shaft 140 from receiving the influence of the plug-in strip rotation to cause the plug-in strip to pound to ground, this spring rope is vertical setting too, and the second connecting portion 1241 of this application is used for being connected with outside spring rope, consequently, the contained angle design between first connecting portion 1240 and the second connecting portion 1241 is the obtuse angle, be favorable to the spring rope to keep vertical state when rotatory along with second linking arm 124 basically, provide suitable elasticity.

In some embodiments, a metal case 300 is further included, and the worm and worm gear assembly, the drive shaft 130, and the output shaft 140 are all disposed inside the metal case 300. In practical application, the metal box 300 can protect the internal transmission parts and gears, and prevent dust from affecting the service life.

In some embodiments, the metal case 300 has a hollow structure. Specifically, the metal case 300 may be hollowed out near the mounting holes of the output shaft 140, the transmission shaft 130, and the worm shaft 111, and in practical applications, the hollowed-out design may reduce the cost.

In the description of the present specification, reference to the description of "one embodiment", "certain embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

What has been described above are only some embodiments of the invention. For those skilled in the art, without departing from the inventive concept, several modifications and improvements can be made, which are within the scope of the invention.

Claims

1. A speed reducer portal crane is used for driving a gate to open and close and comprises a transmission assembly and a motor (200), and is characterized in that the transmission assembly comprises a worm and worm gear assembly, a multi-stage crank arm assembly (120), a transmission shaft (130) and an output shaft (140); the transmission shaft (130) is connected with the output shaft (140) through the multi-stage crank arm assembly (120), a first gear (131) is sleeved at the bottom of the transmission shaft (130), and the motor (200) is used for driving the first gear (131) to rotate through the worm and worm gear assembly, so that the transmission shaft (130) is driven to drive the multi-stage crank arm assembly (120) to enable the output shaft (140) to rotate.

2. The reducer gate machine according to claim 1, characterized in that the worm and worm gear assembly comprises a worm gear shaft (111) and a worm shaft (113) which are meshed with each other, the worm gear shaft (111) is provided with a second gear (112), and the second gear (112) is meshed with the first gear (131).

3. The reducer gate machine of claim 2, wherein the diameter of the second gear (112) is smaller than the diameter of the first gear (131).

4. The reducer gantry crane of claim 2, wherein a third gear (114) is arranged at the end of the worm shaft (113) close to the motor (200), a fourth gear is arranged at the output shaft of the motor (200), the third gear (114) is meshed with the fourth gear, and the diameter of the fourth gear is smaller than that of the third gear (114).

5. The reducer gantry crane according to claim 1, wherein the multi-stage crank arm assembly (120) comprises a first connecting arm (121), a second connecting arm (124) and a third connecting arm (126), wherein the first connecting arm (121) is sleeved on the transmission shaft (130); the second connecting arm (124) comprises a first connecting part (1240) and a second connecting part (1241), a third limiting hole (125) is formed in the joint of the first connecting part (1240) and the second connecting part (1241), and the second connecting arm (124) is sleeved on the output shaft (140) through the third limiting hole (125); the two ends of the third connecting arm (126) are respectively hinged with the first connecting part (1240) and the first connecting arm (121).

6. The reducer gantry crane of claim 5, wherein the first connecting arm (121), the second connecting arm (124), and the third connecting arm (126) are all detachable.

7. The reducer gantry crane of claim 5, wherein one end of the first connecting arm (121) is provided with a sleeve hole for being sleeved in the transmission shaft (130), an open groove (122) for communicating the sleeve hole with the end surface of the first connecting arm (121), and a thread adjusting hole (123) penetrating through two side walls of the open groove (122), and the thread adjusting hole (123) is used for being connected with an adjusting screw to adjust the distance between the two side walls of the open groove (122), so as to adjust the clamping force between the sleeve hole and the transmission shaft (130).

8. The reducer gantry crane of claim 6, wherein an included angle is formed between the first connecting portion (1240) and the second connecting portion (1241), and the included angle is an obtuse angle.

9. The reducer gantry crane of claim 1, further comprising a metal box (300), wherein the worm and worm gear assembly, the transmission shaft (130), and the output shaft (140) are all disposed inside the metal box (300).

10. The reducer gantry crane of claim 9, wherein the metal box (300) is a hollow structure.