CN218546132U

CN218546132U - Gear test box

Info

Publication number: CN218546132U
Application number: CN202223119726.6U
Authority: CN
Inventors: 初晓孟; 温清尧; 董升
Original assignee: Liaoning University of Technology
Current assignee: Liaoning University of Technology
Priority date: 2022-11-23
Filing date: 2022-11-23
Publication date: 2023-02-28
Anticipated expiration: 2032-11-23

Abstract

The utility model relates to a gear test box can dismantle the connection by last box and lower box and constitute, it all is equipped with at least three first half slot to go up two first lateral parts that box and lower box length are longer, the coaxial setting of first half slot that two first lateral parts correspond, it all is equipped with at least one second half slot with two second lateral parts of lower box along width direction to go up the box, the coaxial setting of second half slot that two second lateral parts correspond, the first half slot that goes up box and lower box correspond constitutes first bearing hole, the second half slot that goes up box and lower box correspond constitutes axis and first bearing hole vertically second bearing hole, the utility model discloses a test box can carry out multiple pattern test, has reduced the test cost.

Description

Gear test box

Technical Field

The utility model relates to a gear drive technical field, concretely relates to gear test box.

Background

The statements herein merely provide background information related to the present disclosure and may not necessarily constitute prior art.

The gear box is a power transmission mechanism, and in the current mechanisms for transmitting power and motion, the gear box has a wide application range, and can be seen in the transmission of various machines, such as ships, automobiles and locomotives, heavy machinery for construction, processing machines and automatic production equipment used in the mechanical industry, escalators, elevators, household appliances, clocks and watches, and the like which are common in daily life.

The gear is an important transmission part in the gear box, the gear needs to be tested in various ways after the gear is designed and produced, the traditional gear box can only be used for testing a single type of gear, and only one group of gears can be tested in each test, so that the purpose of comparison cannot be achieved, if a gear testing box is designed for each type of gear to carry out corresponding tests, the problem is solved, and the manufacturing cost is greatly increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the not enough of above-mentioned prior art, provide a gear test box, can realize the test of different grade type gear, the suitability is strong.

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

the embodiment of the utility model provides a gear testing box, can dismantle by last box and lower box and connect and constitute, it all is equipped with at least three first semicircular groove to go up two longer first lateral parts of box and lower box length, the coaxial setting in first semicircular groove that two first lateral parts correspond, it all is equipped with at least one second semicircular groove along two width direction's second lateral parts with lower box to go up the box, the coaxial setting in second semicircular groove that two second lateral parts correspond, the first semicircular groove that goes up box and lower box correspondence constitutes first bearing hole, the second semicircular groove that goes up box and lower box correspondence constitutes axis and first bearing hole vertically second bearing hole.

Optionally, the upper box body comprises a first bottom box wall and first side box walls arranged at four edges of the first bottom box wall, wherein the bottom surfaces of the first side box walls are provided with first fixing portions, first semicircular grooves are formed in the first fixing portions corresponding to the two first side box walls with longer lengths, and second semicircular grooves are formed in the first fixing portions corresponding to the two first side box walls with shorter lengths.

Optionally, the lower box body comprises a second bottom box wall and second side box walls arranged at four edges of the second bottom box wall, a second fixing portion is arranged on the top surface of each second side box wall, first semicircular grooves are formed in second fixing portions corresponding to the two second side box walls with longer lengths, and second semicircular grooves are formed in second fixing portions corresponding to the two second side box walls with shorter lengths.

Optionally, a support body is arranged between the lower surface of the second fixing part and the inner and outer surfaces of the second bottom box wall and the second side box wall.

Optionally, the first fixing portion and the second fixing portion are provided with fixing holes, and the fixing holes of the first fixing portion and the second fixing portion are matched to achieve detachable fixing of the upper box body and the lower box body.

Optionally, bearing end cover fixing holes are formed in the upper box body and the lower box body, and bearing end cover fixing holes are formed in the peripheries of the first semicircular groove and the second semicircular groove.

Optionally, the top of the upper box body is provided with an observation port, and a transparent upper cover is arranged at the observation port.

Optionally, an oil spray hole is formed in the upper box body.

Optionally, hoisting holes are formed in the upper box body and the lower box body.

Optionally, the hoisting hole of the upper box body is arranged at four corners of the top of the upper box body, and the hoisting hole of the lower box body is arranged at four corners of the bottom of the lower box body.

Above-mentioned the utility model has the advantages as follows:

1. the utility model discloses a gear test box goes up the first half slot formation multiunit first bearing hole of box and lower box, can carry out parallel drive's gear test, because the second bearing hole is constituteed to the second half slot of last box and lower box, and second bearing hole axis is perpendicular with first bearing hole, consequently can carry out vertical drive's gear test, consequently the test box can carry out polytype and multiple type gear drive test, and the suitability is strong, has reduced gear test cost.

2. The utility model discloses a gear test box because first semicircular groove sets up at least three groups, consequently constitutes the first bearing hole of at least three groups, no matter do parallel drive's gear test or vertical drive's gear test, can carry out the multiunit simultaneously and test, forms the contrast test to quick a set of gear of selecting the performance better relatively.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.

Fig. 1 is a schematic view of the overall structure of embodiment 1 of the present invention;

FIG. 2 is a schematic structural view of an upper box body in embodiment 1 of the present invention;

FIG. 3 is a schematic view of the structure of the lower case of embodiment 1 of the present invention;

fig. 4 is a schematic diagram of the state of the anisotropic parallel output test in embodiment 1 of the present invention;

fig. 5 is a schematic view of the state of the anisotropic vertical output test in embodiment 1 of the present invention;

wherein, 1, an upper box body, 1, a first bottom box wall, 1, 2, a first side box wall, 1, 3, a first fixing part, 1, 4, a fixing hole, 1, 5, a first semicircular groove, 1, 6, a second semicircular groove, 2, a lower box body, 2, 1, a second bottom box wall, 2, a second side box wall, 2, 3, a second fixing part, 2, 4, a fixing hole, 2, 5, a first semicircular groove, 2, 6, a second semicircular groove, 3, a bearing end cover fixing hole, 4, a bearing end cover, 5, a supporting body, 6, an upper cover, 7, an oil injection hole, 8, a hoisting hole, 9, a first stepped shaft, 10, a first cylindrical gear, 11, a deep groove ball bearing, 12, a second stepped shaft, 13, a second cylindrical gear, 14, a third stepped shaft, 15, a fourth cylindrical gear, 16, a third cylindrical gear, 17, a fourth stepped shaft, 18, a first bevel gear, 19, a fifth stepped shaft, 20, a second bevel gear, 21, a sixth stepped shaft, 22, a third bevel gear and 23, a fourth bevel gear.

Detailed Description

Example 1

The embodiment provides a gear testing box, as shown in fig. 1, which is formed by detachably connecting an upper box body 1 and a lower box body 2 through bolts, wherein a space for accommodating gear transmission is formed inside the upper box body 1 and the lower box body 2.

Specifically, the method comprises the following steps:

as shown in fig. 2, the upper box body 1 includes a first bottom box wall 1-1, the first bottom box wall 1-1 is of a rectangular structure, and first side box walls 1-2 are arranged at four edges of the first bottom box wall, wherein two first side box walls 1-2 are arranged in parallel, the length of each first side box wall is longer, and each first side box wall is used as a first side portion, and the other two first side box walls 1-2 are arranged in parallel, the length of each first side box wall is shorter, and each first side box wall is used as a second side portion.

One end of the first side box wall 1-2 is vertically fixed with the first bottom box wall 1-1, the other end face is provided with a first fixing part 1-3, and the upper box body 1 can be fixed with the lower box body 2 through the first fixing part 1-3.

The first fixing parts 1-3 are bosses distributed along one side edge of the upper box body 1 for connecting the lower box body 2.

The first side box wall 1-2 is perpendicular to the first fixed part 1-3.

Along the edge of the upper box body 1, a plurality of fixing holes 1-4 are formed in the first fixing part and used for being fixed with the lower box body through the fixing holes 1-4.

The first fixing parts 1-3 corresponding to the two first side box walls 1-2 with longer length are provided with at least three first semicircular grooves 1-5, in the embodiment, three first semicircular grooves 1-5 are provided, wherein the corresponding first semicircular grooves 1-5 on the two first fixing parts 1-3 are coaxially arranged.

In the upper box body 1, at least one second semicircular groove 1-6 is formed in each of the first fixing portions 1-3 corresponding to the two first side walls with shorter lengths, in this embodiment, each of the two first fixing portions 1-3 corresponding to the two first side walls 1-2 with shorter lengths is formed in each of the second semicircular grooves 1-6, and the two second semicircular grooves 1-6 are coaxially arranged.

As shown in fig. 3, the lower box 2 has a structure similar to that of the upper box and also includes a second bottom box wall 2-1, the second bottom box wall is rectangular, the four edges of the second bottom box wall are provided with second side box walls 2-2, the two second side box walls with longer lengths are used as first side portions, the other two second side box walls with shorter lengths are used as second side portions, one end of each second side box wall 2-2 is fixed with the second bottom box wall 2-1, the other end of each second side box wall is provided with a second fixing portion 2-3 matched with the first fixing portion 1-3, the second fixing portion 2-3 is provided with a fixing hole 2-4 matched with the fixing hole 1-4 on the first fixing portion 1-3, and the first fixing portion 1-3 and the second fixing portion 2-3 can be fixed through a fixing hole, a fixing bolt and a fixing nut, thereby realizing detachable fixed connection of the upper box 1 and the lower box 2.

In the lower box body 2, three first semicircular grooves 2-5 are formed in second fixing parts corresponding to two second side box walls 2-2 with longer lengths, the first semicircular grooves 2-5 in the second fixing parts are matched with the first semicircular grooves 1-5 in the first fixing parts, after the upper box body 1 and the lower box body 2 are fixed, the first semicircular grooves 1-5 in the first fixing parts and the first semicircular grooves 2-5 corresponding to the second fixing parts form first bearing holes, and therefore the two side parts of the upper box body and the lower box body with longer lengths are provided with three first bearing holes.

In the lower box body, a second semicircular groove 2-6 is formed in each second fixing part corresponding to each second side box wall 2-2 with shorter length, each second semicircular groove 2-6 in each second fixing part 2-3 is matched with each second semicircular groove 1-6 in each first fixing part 1-3, and after the upper box body 1 and the lower box body 2 are fixed, each second semicircular groove 1-6 in each first fixing part 1-3 and each second semicircular groove 2-6 in each second fixing part 2-3 form a second bearing hole, so that each of two side parts of the upper box body and the lower box body with shorter length is provided with a second bearing hole.

Wherein, the periphery in first bearing hole and second bearing hole all is equipped with a plurality of bearing cap fixed orificess 3 that distribute along the hoop for fixed bearing end cover 4 to a dead eye, and wherein three bearing cap fixed orifices 3 set up at first fixed part lateral surface, and three bearing cap fixed orifices 3 set up the lateral surface at the second fixed part in addition.

In this embodiment, the bottom of the lower case 2 forms an oil sump, and the lower case serves as a bearing member for the experimental gears, gear shafts, and bearings, so that in order to improve the structural strength of the lower case, a plurality of support bodies are disposed between the bottom surface of the second fixing portion and the inner side surfaces of the second bottom wall and the second side wall of the lower case, the support bodies are of rectangular plate structures and disposed perpendicular to the second side wall and the second bottom wall, and support bodies are also disposed between the bottom surface of the second fixing portion and the outer side surfaces of the second bottom wall and the second side wall of the lower case.

Through setting up supporter 5, strengthened the structural strength of whole lower box.

In this embodiment, through setting up three first bearing holes of group, can carry out two sets of experiments simultaneously, consequently set up two viewing apertures on the first end tank wall of last box, the viewing aperture is corresponding with two sets of experimental gear engagement's position, and viewing aperture department has transparent upper cover 6 through the bolt fastening, makes things convenient for the experimenter to observe the gear engagement situation.

The both sides of viewing aperture all are provided with nozzle opening 7, can spout the oil pipe through the nozzle opening from the external connection, adopt flexible spout oil pipe to adjust the oil spout angle inside the test box, and the flow, the velocity of flow of oil spout are by outside motor control.

In order to transfer the whole test box conveniently, the positions of four corners at the top of the upper box body are provided with hoisting holes 8, and the positions of four corners at the bottom of the lower box body are also provided with hoisting holes 8.

The test box of this embodiment can carry out parallel transmission's gear test and vertical transmission's gear test, and the concrete method is:

for example, as shown in fig. 4, when the gear test is a different-direction parallel output test, a first cylindrical gear 10 is mounted on the first step shaft 9, deep groove ball bearings 11 are mounted at two ends of the first step shaft 9, the first step shaft 9 is mounted in a set of first bearing holes at one side of the test box through the deep groove ball bearings, and bearing caps are mounted outside the bearing holes through bearing cap fixing holes and screws, and the deep groove ball bearings are limited by the bearing caps and shoulders of the first step shaft 9.

One end of the first step shaft 9 extends out of the test box to be used as an input shaft.

In the same way, the second stepped shaft 12 is installed in the first bearing hole set in the middle by deep groove ball bearings, and the second cylindrical gear 13 on the second stepped shaft 12 is engaged with the first cylindrical gear 10.

In the same way, the third stepped shaft 14 is mounted in the first bearing hole on the other side by the deep groove ball bearing 11, and the fourth cylindrical gear 15 on the third stepped shaft 14 is meshed with the third cylindrical gear 16 on the second stepped shaft 12. One end of the third step shaft extends out of the test box.

The first cylindrical gear and the second cylindrical gear are same in specification and are test gears, and the third gear and the fourth gear are same in specification and are comparison gears.

Oil is injected by using an oil injection hole, the oil injection lubrication mode of a control group and the flow, the flow rate and the angle of oil injection are kept unchanged according to a conventional mode in the oil injection lubrication process, the oil injection lubrication mode of a gear of an experimental group and the flow, the flow rate and the injection angle of oil injection are changed at the same time, and a gear test box is loaded to ensure that the gear test box can have influences on the gluing, abrasion, tooth surface fatigue, plastic deformation, gear tooth fracture, tooth surface temperature and other conditions of the gear after running for a period of time due to different flow, flow rate and injection angle in the oil injection lubrication, so that optimal data can be obtained;

the two groups of gears can be installed in the test box in different machining modes, the test box is loaded to run, and the influences of gluing, abrasion, tooth surface fatigue, plastic deformation, gear tooth breakage, vibration noise, load, lubrication, tooth surface temperature and the like on the gears in different machining modes under the same lubricating condition are compared, so that the optimal machining mode is selected.

The running state of the gear can be observed when the oil is sprayed and stirred in the gear testing box.

In the embodiment, the cylindrical gear can be replaced by a herringbone gear, and the relevant performance of the herringbone gear is tested;

when the gear test is a counter-rotating vertical output test:

as shown in fig. 5, the deep groove ball bearing 11 and the first bevel gear 18 are mounted on the fourth stepped shaft 17, the second bevel gear 20 of the deep groove ball bearing 11 is mounted on the fifth stepped shaft 19, the third bevel gear 22 and the fourth bevel gear 23 are mounted on the sixth stepped shaft 21, and the deep groove ball bearings 11 are mounted on both ends thereof.

And connecting two ends of the sixth stepped shaft with two second bearing holes of the test box through deep groove ball bearings respectively.

And the fourth stepped shaft is connected with one of the first bearing holes at one side of the test box through the deep groove ball bearing, the fifth stepped shaft is connected with one of the first bearing holes at the other side of the test box through the deep groove ball bearing, and the fourth stepped shaft and the fifth stepped shaft are respectively positioned at two sides of the sixth stepped shaft.

Fourth step shaft and fifth step shaft one end all stretch out to the test box outside.

The first bevel gear is meshed with the third bevel gear, and the fourth bevel gear is meshed with the second bevel gear.

The first bevel gear and the third bevel gear have the same specification and are used as experimental gears, and the fourth bevel gear and the second bevel gear have the same specification and are used as comparison gears.

The method is the same as that used in the anisotropic parallel output test, and the influence of the oil injection mode and the machining mode on gear transmission is researched, so that the optimal oil injection mode and the optimal machining mode are obtained.

In this embodiment, the bevel gear transmission may be replaced by a helical cylindrical gear and a face gear in cooperation.

Adopt the test box of this embodiment, can carry out vertical drive's gear test, consequently the test box can carry out multiple type and multiple type gear drive test, and the suitability is strong, has reduced gear test cost, can carry out contrast test moreover to a set of gear that the performance is relatively better is selected to the quick.

Although the present invention has been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and those skilled in the art should understand that various modifications or variations that can be made by those skilled in the art without inventive work are still within the scope of the present invention.

Claims

1. The utility model provides a gear test box, can dismantle by last box and lower box and connect and constitute, a serial communication port, it all is equipped with at least three first semicircle groove with two longer first lateral parts of lower box length to go up the box, the coaxial setting of first semicircle groove that two first lateral parts correspond, it all is equipped with at least one second semicircle groove with two second lateral parts of lower box along width direction to go up the box, the coaxial setting of second semicircle groove that two second lateral parts correspond, the first semicircle groove that goes up box and lower box correspond constitutes first bearing hole, the second semicircle groove that goes up box and lower box correspond constitutes axis and first bearing hole vertically second bearing hole.

2. The gear testing box of claim 1, wherein the upper box body comprises a first bottom box wall and first side box walls arranged at four edges of the first bottom box wall, wherein a first fixing portion is arranged on the bottom surface of the first side box wall, wherein the first fixing portions corresponding to the two first side box walls with longer lengths are provided with first semicircular grooves, and the first fixing portions corresponding to the two first side box walls with shorter lengths are provided with second semicircular grooves.

3. The gear testing box of claim 2, wherein the lower box body comprises a second bottom box wall and second side box walls arranged at four edges of the second bottom box wall, the top surface of each second side box wall is provided with a second fixing portion, the second fixing portions corresponding to the two second side box walls with longer lengths are provided with first semicircular grooves, and the second fixing portions corresponding to the two second side box walls with shorter lengths are provided with second semicircular grooves.

4. The gear testing box of claim 3, wherein a support is disposed between the lower surface of the second fixing portion and the inner and outer surfaces of the second bottom box wall and the second side box wall.

5. The gear testing box of claim 3, wherein the first fixing portion and the second fixing portion are provided with fixing holes, and the fixing holes of the first fixing portion and the second fixing portion are matched to detachably fix the upper box body and the lower box body.

6. The gear testing box of claim 1, wherein bearing end cover fixing holes are formed in the upper box body and the lower box body, and bearing end cover fixing holes are formed in the peripheries of the first semicircular groove and the second semicircular groove.

7. The gear testing box of claim 1, wherein a viewing port is formed at the top of the upper box body, and a transparent upper cover is arranged at the viewing port.

8. The gear testing box of claim 1, wherein the upper box body is provided with oil spray holes.

9. The gear testing box of claim 1, wherein the upper box body and the lower box body are provided with hoisting holes.

10. The gear testing box of claim 9, wherein the lifting holes of the upper box body are arranged at four corners of the top of the upper box body, and the lifting holes of the lower box body are arranged at four corners of the bottom of the lower box body.