CN212080093U - Speed reducer transmission shaft structure convenient to install - Google Patents

Abstract

The utility model discloses a speed reducer transmission shaft structure easy to assemble, including end railway carriage or compartment, the top outer wall joint of end railway carriage or compartment has the upper cover, and the junction four corners of upper cover and end railway carriage or compartment all is equipped with the locking pin post, the top outer wall of locking pin post has cup jointed the round pin post depression bar, and the top outer wall of round pin post depression bar passes through hinge fixedly connected with locking lever, the catching groove has all been opened to the top outer wall both sides of upper cover, and the outer wall joint of round pin post depression bar is on the inner wall of catching groove, the equal joint in junction of end railway carriage or compartment and upper cover has the bearing dish. The utility model discloses a bolt fastening structure between traditional end railway carriage or compartment and the upper cover replaces into round pin axle pressfitting structure, and the dismouting is more convenient, is equipped with fixed hook subassembly in the transmission shaft structure, utilizes the clip structure to provide slant decurrent pulling force with whole transmission shaft through the axle bracket seat, can directly communicate the axle bracket seat during the dismouting and take off the transmission shaft group, reduces the independent work load of dismantling of axle group.

Description

Speed reducer transmission shaft structure convenient to install

Technical Field

The utility model relates to a speed reducer technical field especially relates to a speed reducer transmission shaft structure easy to assemble.

Background

The reducer is an independent part consisting of gear transmission, worm transmission and gear-worm transmission enclosed in a rigid shell, and is commonly used as a speed reduction transmission device between a prime mover and a working machine. The function of matching the rotation speed and transmitting the torque between the prime mover and the working machine or the actuating mechanism is very extensive in modern machinery.

The speed reducer achieves the purpose of speed reduction by enabling a motor, an internal combustion engine or other high-speed running power to be meshed with a large gear on an output shaft through a gear with a small number of teeth on an input shaft of the speed reducer, a transmission shaft structure is one of important parts, shaft rods need to be assembled and fixed one by one through an existing transmission shaft assembly, the installation process is complicated, and disassembly and assembly are not convenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a speed reducer transmission shaft structure convenient to install.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a transmission shaft structure of a speed reducer convenient to install comprises a bottom carriage, wherein an upper cover is clamped on the outer wall of the top of the bottom carriage, locking pins are arranged at four corners of a joint of the upper cover and the bottom carriage, pin compression rods are sleeved on the outer wall of the top of each locking pin, a locking rod is fixedly connected to the outer wall of the top of each pin compression rod through a hinge, buckling grooves are formed in two sides of the outer wall of the top of the upper cover, the outer walls of the pin compression rods are clamped on the inner walls of the buckling grooves, bearing discs are clamped at the joint of the bottom carriage and the upper cover, a transmission shaft group is fixedly connected to the bottom carriage through a bearing disc and comprises a first shaft rod, a large gear, a transmission gear, a second shaft rod, a small gear and a friction shaft sleeve, the large gear and the transmission gear are respectively sleeved on the outer walls of two ends of the first shaft rod, the small gear and the inner wall of the friction shaft sleeve are, the outer wall of the large gear is connected with the outer wall of the friction shaft sleeve, the outer wall of the small gear is connected with the outer wall of the transmission gear, the end part of the outer wall of the second shaft rod is connected with an end cover through a bearing, a shaft support seat is fixed on the inner wall of the bottom compartment through a bolt, a fixing hook component is arranged in the middle of the inner wall of the shaft support seat, and the middle of the outer wall of the fixing hook component is fixedly connected to the outer wall of the first shaft rod.

As a further scheme of the utility model, the inner wall of end railway carriage or compartment is the oil sump, and one side outer wall of oil sump is equipped with the oil dipstick, the opposite side of oil sump is equipped with the oil plug.

As a further proposal of the utility model, the top outer wall of the upper cover is provided with a visual window, and the middle part of the top outer wall of the visual window is provided with a release valve.

As a further proposal of the utility model, the four corners department of the bottom carriage is all equipped with the pin sleeve, and the both sides inner wall of the pin sleeve is all equipped with the bullet and detains.

As a further aspect of the present invention, the bottom outer wall joint of the locking pin is provided on the inner wall of the pin sleeve, and a spring washer is provided between the bottom outer wall of the pin pressing rod and the outer wall of the upper cover.

As a further aspect of the present invention, the fixed hook assembly includes a bracket and a clasp, and the top inner wall of the bracket is connected to the outer wall of the first shaft rod through a bearing, one side outer wall of the bracket is provided with a groove, and a joint is formed between the bottom inner wall of the clasp and the groove.

The utility model has the advantages that:

1. the convenient installation of the transmission shaft structure of the speed reducer is divided into auxiliary installation of a base body and quick installation of an internal transmission shaft structure, the auxiliary installation structure is a pin shaft press fit structure by replacing a bolt fixing structure between a traditional bottom compartment and an upper cover, pin shafts on four sides are stably inserted into a joint through matching of locking pin shafts and pin shaft pressure bars, and meanwhile, the locking rods are used for clamping and pressing, so that the tight press fit of the pin shafts and the joint is ensured, and the speed reducer is more convenient to disassemble and assemble;

2. the fixed hook assembly is arranged in the transmission shaft structure of the speed reducer, the whole transmission shaft is provided with a downward inclined pulling force by the aid of the clasp structure through the shaft bracket seat, transmission stability between the shaft rods is maintained between the shaft bracket seat and the end cover of the bottom compartment, the transmission shaft assembly can be directly communicated with the shaft bracket seat to take down the transmission shaft assembly during disassembly and assembly, and the independent disassembly workload of the shaft assembly is reduced.

Drawings

Fig. 1 is a schematic structural view of a transmission shaft structure of a speed reducer convenient to mount according to the present invention;

fig. 2 is a schematic side view of a transmission shaft structure of a speed reducer convenient to mount according to the present invention;

fig. 3 is a schematic view of a top view structure of a transmission shaft structure of a speed reducer convenient to mount.

In the figure: 1 bottom box, 2 oil scales, 3 locking pins, 4 pin compression bars, 5 upper covers, 6 end covers, 7 locking rods, 8 visual windows, 9 air release valves, 10 bearing discs, 11 oil plugs, 12 transmission shaft groups, 13 fixing hook assemblies, 14 shaft brackets and 15 sealing rings.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar 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 drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Referring to fig. 1-3, a transmission shaft structure of a speed reducer convenient to install comprises a bottom compartment 1, an upper cover 5 is clamped on the outer wall of the top of the bottom compartment 1, locking pins 3 are arranged at four corners of a joint of the upper cover 5 and the bottom compartment 1, pin compression rods 4 are sleeved on the outer wall of the top of the locking pins 3, locking rods 7 are fixedly connected with the outer wall of the top of the pin compression rods 4 through hinges, buckling grooves are formed in two sides of the outer wall of the top of the upper cover 5, the outer wall of each pin compression rod 4 is clamped on the inner wall of each buckling groove, bearing discs 10 are clamped at the joint of the bottom compartment 1 and the upper cover 5, a transmission shaft group 12 is fixedly connected with the bottom compartment 1 through the bearing discs 10, the transmission shaft group 12 comprises a first shaft rod, a large gear, a transmission gear, a second shaft rod, a small gear and a friction shaft sleeve, the large gear and the transmission gear are respectively sleeved on the outer walls of two ends of the first shaft rod, the small gear, the outer wall of the big gear is connected with the outer wall of the friction shaft sleeve, the outer wall of the small gear is connected with the outer wall of the transmission gear, the end part of the outer wall of the second shaft rod is connected with an end cover 6 through a bearing, the inner wall of the bottom chamber 1 is fixed with a shaft bracket 14 through a bolt, the middle part of the inner wall of the shaft bracket 14 is provided with a fixed hook component 13, the middle part of the outer wall of the fixed hook component 13 is fixedly connected with the outer wall of the first shaft rod, the inner wall of the bottom chamber 1 is an oil bin, the outer wall of one side of the oil bin is provided with an oil dipstick 2, the other side of the oil bin is provided with an oil plug 11, the outer wall of the top of the upper cover 5 is provided with a visual window 8, the middle part of the outer wall of the top of the visual window 8 is provided with an air escape valve 9, the four corners of the bottom chamber 1 are provided with pin sleeves, the inner walls of the two sides of the pin sleeves are provided, the fixed hook component 13 comprises a bracket and a clasp, the top inner wall of the bracket is connected to the outer wall of the first shaft rod through a bearing, the outer wall of one side of the bracket is provided with a groove, and a clamping fit is formed between the bottom inner wall of the clasp and the groove.

The working principle is as follows: when this speed reducer transmission shaft structure installation, through fixing bearing disc 10 on end railway carriage or compartment 1, then install the tip of transmission shaft group 12 to corresponding bearing disc 10 rigidity, it is fixed taut with fixing between axle bracket 14 and the fixed hook subassembly 13 after that, test whether normal operating of transmission shaft group 12, fixed upper cover 5, utilize the round pin axle pressfitting structure of upper cover 5 and end railway carriage or compartment 1 junction, stably peg graft the junction with the round pin post of four sides through the cooperation of locking pin post 3 and round pin post depression bar 4, utilize locking lever joint pressfitting simultaneously, guarantee that the pressfitting of round pin post and junction is inseparable, during the dismouting, can directly communicate axle bracket 14 and take off transmission shaft group 12, reduce the independent work load of dismantling of axle group.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. The speed reducer transmission shaft structure convenient to mount comprises a bottom compartment (1) and is characterized in that an upper cover (5) is clamped on the outer wall of the top of the bottom compartment (1), locking pins (3) are arranged at four corners of a joint of the upper cover (5) and the bottom compartment (1), pin pressing rods (4) are sleeved on the outer wall of the tops of the locking pins (3), locking rods (7) are fixedly connected to the outer wall of the tops of the pin pressing rods (4) through hinges, buckling grooves are formed in two sides of the outer wall of the top of the upper cover (5), the outer wall of each pin pressing rod (4) is clamped on the inner wall of each buckling groove, bearing discs (10) are clamped at joints of the bottom compartment (1) and the upper cover (5), a transmission shaft group (12) is fixedly connected to the bottom compartment (1) through the bearing discs (10), and the transmission shaft group (12) comprises a first shaft rod, a large gear, a transmission gear and a transmission gear, The friction shaft sleeve is arranged on the outer wall of the two ends of the first shaft rod, the inner walls of the pinion and the friction shaft sleeve are sleeved on the outer walls of the two ends of the second shaft rod, the outer wall of the gear is connected with the outer wall of the friction shaft sleeve, the outer wall of the pinion is connected with the outer wall of the transmission gear, the end portion of the outer wall of the second shaft rod is connected with an end cover (6) through a bearing, a shaft support seat (14) is fixed on the inner wall of the bottom compartment (1) through bolts, a fixing hook component (13) is arranged in the middle of the inner wall of the shaft support seat (14), and the middle of the outer wall of the fixing hook component (13) is fixedly connected onto the outer wall of the first shaft.

2. The transmission shaft structure of the speed reducer convenient to mount according to claim 1, wherein the inner wall of the bottom chamber (1) is an oil bin, an oil scale (2) is arranged on the outer wall of one side of the oil bin, and an oil plug (11) is arranged on the other side of the oil bin.

3. The transmission shaft structure of the speed reducer convenient to mount as claimed in claim 1, wherein a visual window (8) is arranged on the outer wall of the top of the upper cover (5), and an air release valve (9) is arranged in the middle of the outer wall of the top of the visual window (8).

4. The transmission shaft structure of the speed reducer convenient to mount as claimed in claim 1, wherein pin sleeves are arranged at four corners of the bottom compartment (1), and elastic buckles are arranged on inner walls of two sides of each pin sleeve.

5. The transmission shaft structure of the speed reducer convenient to mount as claimed in claim 4, wherein the outer wall of the bottom end of the locking pin (3) is clamped on the inner wall of the elastic buckle of the pin sleeve, and a spring washer is arranged between the outer wall of the bottom end of the pin pressing rod (4) and the outer wall of the upper cover (5).

6. The transmission shaft structure of the speed reducer convenient to mount as claimed in claim 1, wherein the fixing hook component (13) comprises a bracket and a hook, the top inner wall of the bracket is connected to the outer wall of the first shaft rod through a bearing, the outer wall of one side of the bracket is provided with a groove, and the bottom inner wall of the hook and the groove form a snap fit.

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