CN215763193U

CN215763193U - Test box power takeoff seal structure

Info

Publication number: CN215763193U
Application number: CN202121645127.0U
Authority: CN
Inventors: 张振坤
Original assignee: Chongqing Huangganglou Technology Co ltd
Current assignee: Chongqing Huangganglou Technology Co ltd
Priority date: 2021-07-20
Filing date: 2021-07-20
Publication date: 2022-02-08
Anticipated expiration: 2031-07-20

Abstract

The utility model discloses a sealing structure of a test box power takeoff, which comprises a box body, a rotating shaft and a sealing ring, wherein two oil grooves are symmetrically formed in the inner wall of the box body, two arc-shaped blocks are symmetrically and fixedly connected to the side wall of the sealing ring, two arc-shaped grooves matched with the arc-shaped blocks are formed in the side wall of the box body, the two arc-shaped grooves are respectively communicated with the two oil grooves, two grooves are formed in the side walls of the two arc-shaped blocks, the inner walls of the two grooves are hermetically and slidably connected with sealing blocks, a plurality of first springs are fixedly connected to the inner walls of the grooves, and the other ends of the plurality of first springs are fixedly connected with the sealing blocks. According to the utility model, the sealing block can be tightly attached to the rotating shaft under the action of the first spring, even if the sealing block is abraded due to friction between the sealing block and the rotating shaft, the sealing block can be tightly attached to the rotating shaft under the action of the first spring, so that the service life of the sealing block is greatly prolonged, and frequent replacement is not required.

Description

Test box power takeoff seal structure

Technical Field

The utility model relates to the technical field of power takeoff devices, in particular to a sealing structure of a test box power takeoff device.

Background

The power takeoff is also called as a power takeoff, generally composed of a gear box, a clutch and a controller, is connected with an output shaft of a low-gear or an auxiliary box of the gear box, is connected with an input shaft of a power takeoff device such as a lifting pump and the like, and is an independent gear in the gear box.

The rotation axis of current proof box power takeoff is when rotating, need pour into lubricating oil into and lubricate the bearing, need seal it in order to prevent that lubricating oil from revealing, current seal structure mainly adopts rotatory oil blanket, and rotatory oil blanket produces wearing and tearing consumption very easily in the use for produce the gap between rotatory oil blanket and the rotation axis, make lubricating oil reveal, so need frequently change the rotatory oil blanket, in addition, current rotatory oil blanket installation is more troublesome, very waste time and energy.

Based on this. We propose a proof box power takeoff sealing structure.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art, and provides a sealing structure of a test box power takeoff.

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

the utility model provides a proof box power takeoff seal structure, includes box, rotation axis and sealing ring, two oil grooves have been seted up to box inner wall symmetry, two arc pieces of sealing ring lateral wall symmetry fixedly connected with, two and arc piece complex arc walls, two are seted up to the box lateral wall the arc wall communicates with two oil grooves respectively, two recesses, two are seted up to the arc piece lateral wall the equal sealed sliding connection of recess inner wall has sealed piece, a plurality of first springs of recess inner wall fixedly connected with, it is a plurality of the first spring other end and sealing piece fixed connection, two dead levers of sealing ring lateral wall symmetry fixedly connected with, the box lateral wall seted up two with dead lever complex mounting grooves, install the fixed establishment who fixes the dead lever in the mounting groove on the box.

Preferably, the fixed establishment includes that the symmetry sets up two spouts in the box, two equal sliding connection of spout inner wall has the slider, slider lateral wall symmetry rotates and is connected with two connecting rods, two the connecting rod other end rotates and is connected with two kellies, dead lever lateral wall symmetry seted up two with kellies complex draw-in grooves, install the gliding actuating mechanism of drive slider on the dead lever.

Preferably, actuating mechanism is including seting up two cross slots at two dead lever lateral walls respectively, sealing ring lateral wall symmetry sliding connection has two actuating levers, two actuating lever one end runs through two dead lever lateral walls respectively and extends to the cross slot in, slider lateral wall fixedly connected with horizontal pole, horizontal pole one end runs through the spout inner wall and extends to the mounting groove in, spout inner wall fixedly connected with second spring, the second spring other end and slider fixed connection, two the equal fixedly connected with handle of the actuating lever other end, the handle passes through threaded rod and sealing ring lateral wall fixed connection, install the stop gear who prescribes a limit to the sliding position of slider in the spout.

Preferably, stop gear includes that the symmetry is seted up at two spacing grooves of spout inner wall, two gag lever post of slider lateral wall symmetry fixedly connected with, two the gag lever post other end respectively with two spacing inslot wall sliding connection.

Preferably, two vertical grooves are symmetrically formed in the inner wall of the sliding groove, the two clamping rods are respectively in sliding connection with the inner walls of the two vertical grooves, and the two clamping rods are L-shaped.

Preferably, the lateral wall of the box body is symmetrically and fixedly connected with two oil inlet pipes, and one ends of the two oil inlet pipes are respectively communicated with the two oil grooves.

The utility model has the following beneficial effects:

1. through setting up oil groove, sealing ring, arc piece, sealed piece and first spring, the rotation axis is at rotatory in-process, and sealed piece can closely laminate with the rotation axis under the effect of first spring, and in the long-term use, even friction between sealed piece and the rotation axis makes sealed piece produce wearing and tearing, sealed piece still can closely laminate with the rotation axis under the effect of first spring, has improved the life of sealed piece greatly, need not frequently change.

2. Through setting up dead lever, mounting groove, fixed establishment and actuating mechanism, insert the mounting groove with the dead lever, then press the handle, drive the actuating lever and remove, and then drive the kelly and get into the draw-in groove, carry out fixed mounting to the sealing ring, all that adopts is mechanical structure, easy operation is convenient, installs ten minutes labour saving and time saving.

Drawings

Fig. 1 is a schematic perspective view of a sealing structure of a test chamber power takeoff according to the present invention;

FIG. 2 is a schematic cross-sectional view of the structure of FIG. 1;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

fig. 4 is a schematic perspective view of the sealing ring of fig. 1.

In the figure: 1 box, 2 rotation axes, 3 sealing rings, 4 oil grooves, 5 arc-shaped blocks, 6 arc-shaped grooves, 7 grooves, 8 sealing blocks, 9 first springs, 10 fixing rods, 11 mounting grooves, 12 sliding grooves, 13 sliding blocks, 14 connecting rods, 15 clamping rods, 16 clamping grooves, 17 transverse grooves, 18 driving rods, 19 transverse rods, 20 second springs, 21 handles, 22 threaded rods, 23 limiting grooves, 24 limiting rods, 25 vertical grooves and 26 oil inlet pipes.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-4, a test chamber power takeoff sealing structure comprises a case body 1, rotation axis 2 and sealing ring 3, rotation axis 2 rotates and installs in box 1, two oil grooves 4 have been seted up to 1 inner wall symmetry of box, two arc pieces 5 of 3 lateral wall symmetry fixedly connected with of sealing ring, two arc 6 with 5 complex arc pieces have been seted up to 1 lateral wall of box, two arc 6 communicate with two oil grooves 4 respectively, two recesses 7 have been seted up to 5 lateral walls of two arc pieces, two equal sealing sliding connection of recess 7 inner walls have sealed piece 8, a plurality of first springs 9 of recess 7 inner wall fixedly connected with, a plurality of first spring 9 other ends and sealed piece 8 fixed connection, two dead levers 10 of 3 lateral wall symmetry fixedly connected with of sealing ring, two and dead lever 10 complex mounting grooves 11 have been seted up to 1 lateral wall of box, install the fixed establishment who fixes dead lever 10 in mounting groove 11 on box 1.

Two perpendicular grooves 25 have been seted up to spout 12 inner wall symmetry, and two kellies 15 respectively with two perpendicular groove 25 inner wall sliding connection, and two kellies 15 are the L shape, and two inlet tube 26 of box 1 lateral wall symmetry fixedly connected with, two inlet tube 26 one end communicate with two oil grooves 4 respectively.

The fixing mechanism comprises two sliding grooves 12 symmetrically arranged in the box body 1, sliding blocks 13 are connected to the inner walls of the two sliding grooves 12 in a sliding mode, two connecting rods 14 are connected to the side walls of the sliding blocks 13 in a rotating mode, the other ends of the two connecting rods 14 are connected with two clamping rods 15 in a rotating mode, two clamping grooves 16 matched with the clamping rods 15 are symmetrically formed in the side walls of the fixing rods 10, and driving mechanisms for driving the sliding blocks 13 to slide are installed on the fixing rods 10.

The driving mechanism comprises two transverse grooves 17 respectively arranged on the side walls of the two fixing rods 10, the side walls of the sealing ring 3 are symmetrically and slidably connected with two driving rods 18, one ends of the two driving rods 18 respectively penetrate through the side walls of the two fixing rods 10 and extend into the transverse grooves 17, the side wall of the sliding block 13 is fixedly connected with a cross rod 19, one end of the cross rod 19 penetrates through the inner wall of the sliding groove 12 and extends into the mounting groove 11, it should be noted that the width of the cross rod 19 is smaller than that of the transverse grooves 17, when the fixing rods 10 are inserted into the mounting groove 11, the cross rod 19 and the transverse grooves 17 are positioned on the same horizontal plane, and when the sliding block 13 slides to the leftmost position, the other end of the cross rod 19 cannot slide out of the mounting groove 11, the inner wall of the sliding groove 12 is fixedly connected with a second spring 20, the other end of the second spring 20 is fixedly connected with the sliding block 13, the other ends of the two driving rods 18 are both fixedly connected with a handle 21, and the handle 21 is fixedly connected with the side wall of the sealing ring 3 through a threaded rod 22, a stopper mechanism for limiting the sliding position of the slider 13 is installed in the slide groove 12.

The limiting mechanism comprises two limiting grooves 23 symmetrically formed in the inner wall of the sliding groove 12, two limiting rods 24 are symmetrically and fixedly connected to the side wall of the sliding block 13, the other ends of the two limiting rods 24 are respectively in sliding connection with the inner walls of the two limiting grooves 23, when the sliding block 13 slides on the inner wall of the sliding groove 12, the limiting rods 24 can synchronously slide on the inner walls of the limiting grooves 23, and the sliding block 13 can slide in a horizontal position.

During use, the fixing rod 10 is firstly inserted into the mounting groove 11, then the driving rod 18 is pressed, so that the driving rod 18 slides in the transverse groove 17, the driving rod 18 can drive the transverse rod 19 to move leftwards, the sliding block 13 is driven to slide leftwards on the inner wall of the sliding groove 12, the two connecting rods 14 are driven to rotate, the two connecting rods 14 drive the two clamping rods 15 to slide on the inner wall of the vertical groove 25, the two clamping rods 15 respectively enter the two clamping grooves 16, the fixing rod 10 is fixed in the mounting groove 11, and then the mounting of the sealing ring 3 is completed;

through advancing oil pipe 26 and injecting lubricating oil into oil groove 4, rotation axis 2 rotates the in-process, and sealed piece 8 closely laminates with rotation axis 2 lateral wall under the effect of first spring 9, and when sealed piece 8 produced wearing and tearing and consuming in the long-term use, first spring 9 can promote sealed piece 8 and slide at the recess 7 inner wall is sealed for sealed piece 8 closely laminates with rotation axis 2 lateral wall all the time, avoids producing lubricating oil and reveals.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The sealing structure of the power takeoff of the test box comprises a box body (1), a rotating shaft (2) and a sealing ring (3), and is characterized in that two oil grooves (4) are symmetrically formed in the inner wall of the box body (1), two arc-shaped blocks (5) are symmetrically and fixedly connected to the side wall of the sealing ring (3), two arc-shaped grooves (6) matched with the arc-shaped blocks (5) are formed in the side wall of the box body (1), the two arc-shaped grooves (6) are respectively communicated with the two oil grooves (4), two grooves (7) are formed in the side wall of the arc-shaped blocks (5), sealing blocks (8) are hermetically and slidably connected to the inner wall of each groove (7), a plurality of first springs (9) are fixedly connected to the inner wall of each groove (7), the other ends of the first springs (9) are fixedly connected with the sealing blocks (8), and two fixing rods (10) are symmetrically and fixedly connected to the side wall of the sealing ring (3), two mounting grooves (11) matched with the fixing rods (10) are formed in the side wall of the box body (1), and fixing mechanisms for fixing the fixing rods (10) in the mounting grooves (11) are mounted on the box body (1).

2. A test box power takeoff sealing structure as claimed in claim 1, wherein the fixing mechanism comprises two sliding chutes (12) symmetrically arranged in the box body (1), sliding blocks (13) are slidably connected to inner walls of the two sliding chutes (12), two connecting rods (14) are rotatably connected to side walls of the sliding blocks (13) symmetrically, two clamping rods (15) are rotatably connected to the other ends of the two connecting rods (14), two clamping grooves (16) matched with the clamping rods (15) are symmetrically arranged on side walls of the fixing rod (10), and a driving mechanism for driving the sliding blocks (13) to slide is installed on the fixing rod (10).

3. A test box power takeoff sealing structure as claimed in claim 2, wherein the driving mechanism comprises two transverse grooves (17) respectively opened on the side walls of the two fixing rods (10), the side walls of the sealing ring (3) are symmetrically and slidably connected with two driving rods (18), one ends of the two driving rods (18) respectively penetrate through the side walls of the two fixing rods (10) and extend into the transverse grooves (17), the side wall of the sliding block (13) is fixedly connected with a cross rod (19), one end of the cross rod (19) penetrates through the inner wall of the sliding chute (12) and extends into the mounting groove (11), the inner wall of the sliding chute (12) is fixedly connected with a second spring (20), the other end of the second spring (20) is fixedly connected with the sliding block (13), the other ends of the two driving rods (18) are fixedly connected with a handle (21), and the handle (21) is fixedly connected with the side walls of the sealing ring (3) through a threaded rod (22), and a limiting mechanism for limiting the sliding position of the sliding block (13) is arranged in the sliding groove (12).

4. A test box power takeoff sealing structure as claimed in claim 3, wherein the limiting mechanism comprises two limiting grooves (23) symmetrically formed on the inner wall of the sliding chute (12), two limiting rods (24) are symmetrically and fixedly connected to the side wall of the sliding block (13), and the other ends of the two limiting rods (24) are respectively connected with the inner walls of the two limiting grooves (23) in a sliding manner.

5. A test chamber power takeoff sealing structure as claimed in claim 2, wherein the inner wall of the sliding chute (12) is symmetrically provided with two vertical slots (25), the two clamping rods (15) are respectively connected with the inner walls of the two vertical slots (25) in a sliding manner, and the two clamping rods (15) are in an L shape.

6. A test chamber power takeoff sealing structure as claimed in claim 1, wherein two oil inlet pipes (26) are symmetrically and fixedly connected to the side wall of the box body (1), and one end of each of the two oil inlet pipes (26) is respectively communicated with the two oil grooves (4).