CN216207253U

CN216207253U - Stern shaft sealing device sealing performance test bed

Info

Publication number: CN216207253U
Application number: CN202122255728.7U
Authority: CN
Inventors: 陈仕权; 单银春
Original assignee: Zhenjiang Fukun Ship Fittings Co ltd
Current assignee: Zhenjiang Fukun Ship Fittings Co ltd
Priority date: 2021-09-17
Filing date: 2021-09-17
Publication date: 2022-04-05
Anticipated expiration: 2031-09-17

Abstract

The utility model relates to the technical field of stern shaft performance tests and discloses a stern shaft sealing device sealing performance test bed; the test bed for the sealing performance of the stern shaft sealing device comprises a lifting mechanism and a tilting mechanism, wherein the tilting mechanism is positioned at the top of the lifting mechanism; the lifting mechanism comprises a bottom plate, wherein fixed plates are arranged at four corners of the top of the bottom plate, first connecting rods are arranged on the back sides of the two fixed plates on the left side, second connecting rods are arranged on the opposite sides of the two fixed plates on the right side, third connecting rods are arranged on the opposite sides of the two first connecting rods, and fourth connecting rods are arranged at the right ends of the two first connecting rods.

Description

Stern shaft sealing device sealing performance test bed

Technical Field

The utility model belongs to the technical field of stern shaft performance tests, and particularly relates to a stern shaft sealing device sealing performance test bed.

Background

The tail shaft is called tail shaft in the industry, one end of the tail shaft is connected with a propeller, and the other end of the tail shaft is connected with a gear box or a coupling and then connected with an engine.

The existing stern shaft sealing performance test bed is generally fixed in height, and because the weight of the stern shaft is high, the stern shaft is difficult to fix and needs to be lifted in an auxiliary mode, so that the labor amount of workers is increased; therefore, improvements are now needed in view of the current situation.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides the test bed for the sealing performance of the stern shaft sealing device, which effectively solves the problems that the existing test bed for the sealing performance of the stern shaft is generally fixed in height, and the stern shaft is difficult to fix due to high weight, needs auxiliary hoisting and increases the labor capacity of workers.

In order to achieve the purpose, the utility model provides the following technical scheme: a test bed for the sealing performance of a stern shaft sealing device comprises a lifting mechanism and a tilting mechanism, wherein the tilting mechanism is positioned at the top of the lifting mechanism;

elevating system includes the bottom plate, bottom plate top four corners department all is provided with the fixed plate, two left fixed plate looks backs of department are provided with first connecting rod, two fixed plate opposite sides on right side are provided with the second connecting rod, the looks of two first connecting rods all is provided with the third connecting rod, and the right-hand member of two first connecting rods all is provided with the fourth connecting rod, two third connecting rod tops all are provided with the sixth connecting rod, two sixth connecting rods are connected with two fourth connecting rods respectively, the junction of two first connecting rods and two fourth connecting rods is provided with the fifth connecting rod, the left end of two second connecting rods is offside and the right-hand member opposite side of two fifth connecting rods all is provided with the fixed block, the opposite side of two fixed blocks is provided with first screw rod, first screw rod left side is provided with the motor.

Preferably, the left ends of the two second connecting rods, the top ends of the two third connecting rods and the left ends of the two sixth connecting rods are connected with the fixed block through the rotating shaft, and the right ends of the two first connecting rods, the bottom ends of the two fourth connecting rods and the right ends of the two fifth connecting rods are connected with the fixed block on the right side through the rotating shaft.

Preferably, the mounting hole that runs through is all seted up to two fixed block lateral walls, first screw rod rotates the inner chamber of connecting at left mounting hole, just first screw rod threaded connection is at the inner chamber of the mounting hole on right side, first screw rod right-hand member is provided with the stopper.

Preferably, the tilting mechanism comprises a matching plate, a rotating shaft is arranged at the right end of the matching plate, and a mounting table is arranged at the top of the rotating shaft.

Preferably, the matching plate with the matching hole that the symmetry set up is seted up in the left side of mount table, and the inner chamber of two matching holes all is provided with the second screw rod, and two second screw rods all rotate the inner chamber of connecting at two matching holes of bottom, and the inner chamber of two matching holes at the top of two equal threaded connection of second screw rods.

Preferably, the four corners of the bottom of the matching plate are provided with mounting plates, the two mounting plates on the left side are connected with the two fifth connecting rods respectively, and the two mounting plates on the right side are connected with the two sixth connecting rods respectively.

Compared with the prior art, the utility model has the beneficial effects that: 1. according to the utility model, the lifting mechanism can be driven to lift by rotating the first screw rod, so that the mounting platform is driven to lift, the stern shaft is conveniently mounted and fixed, and the amount of manual labor is reduced;

2. according to the utility model, the inclination angle of the mounting table can be adjusted by rotating the second screw rod, so that the axial deflection test is carried out while the sealing performance test is carried out on the stern shaft, and the efficiency of the performance test is effectively improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model.

In the drawings:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the lifting mechanism of the present invention;

FIG. 3 is a schematic view of the tilting mechanism of the present invention;

in the figure: 100. a lifting mechanism; 101. a base plate; 102. a fixing plate; 103. a first link; 104. a second link; 105. a third link; 106. a fourth link; 107. a fifth link; 108. a sixth link; 109. a fixed block; 110. a motor; 111. a first screw; 200. a tilting mechanism; 201. a mating plate; 202. an installation table; 203. a second screw; 204. a rotating shaft.

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; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, a test stand for the sealing performance of a stern shaft sealing device includes a lifting mechanism 100 and a tilting mechanism 200.

Referring to fig. 1, the tilting mechanism 200 is located at the top of the lifting mechanism 100.

Referring to fig. 1 and 2, the lifting mechanism 100 includes a base plate 101, wherein four corners of the top of the base plate 101 are respectively provided with a fixing plate 102, two fixing plates 102 on the left side are respectively provided with a first connecting rod 103, two fixing plates 102 on the right side are respectively provided with a second connecting rod 104, two first connecting rods 103 are respectively provided with a third connecting rod 105 on the opposite sides, the right ends of the two first connecting rods 103 are respectively provided with a fourth connecting rod 106, the top ends of the two third connecting rods 105 are respectively provided with a sixth connecting rod 108, the two sixth connecting rods 108 are respectively connected with the two fourth connecting rods 106, the joint of the two first connecting rods 103 and the two fourth connecting rods 106 is provided with a fifth connecting rod 107, the left end opposite sides of the two second connecting rods 104 and the right end opposite sides of the two fifth connecting rods 107 are respectively provided with a fixing block 109, the opposite sides of the two fixing blocks 109 are provided with first screws 111, the left side of the first screw 111 is provided with a motor 110, and the left end of the two second connecting rods 104 is provided with a fixing block 107, The top ends of the two third connecting rods 105 and the left ends of the two sixth connecting rods 108 are connected with a left fixing block 109 through a rotating shaft, the right ends of the two first connecting rods 103, the bottom ends of the two fourth connecting rods 106 and the right ends of the two fifth connecting rods 107 are connected with a right fixing block 109 through a rotating shaft, the side walls of the two fixing blocks 109 are provided with through mounting holes, the first screw 111 is rotatably connected with the inner cavity of the left mounting hole, the first screw 111 is threadedly connected with the inner cavity of the right mounting hole, the right end of the first screw 111 is provided with a limiting block, the starting motor 110 drives the first screw 111 to rotate, when the first screw 111 rotates, the right fixing block 109 moves left and right, when the first screw 111 moves left, the two first connecting rods 103 are driven to move upwards, and the two third connecting rods 105 and the two fourth connecting rods 106 connected with the two first connecting rods 103 also move upwards, so that the matching plate 201 moves upwards along with the left fixing block, thereby driving the two fifth links 107 and the two sixth links 108 to move upwards, and when the two fifth links 107 and the two sixth links 108 move downwards, the two first links 103 are driven to move downwards, and the two third links 105 and the two fourth links 106 connected with the two first links 103 also move downwards, thereby driving the two fifth links 107 and the two sixth links 108 to move downwards, so that the matching plate 201 moves downwards accordingly.

Referring to fig. 3, the tilting mechanism 200 includes a matching plate 201, a rotating shaft 204 is disposed at the right end of the matching plate 201, a mounting table 202 is disposed at the top of the rotating shaft 204, matching holes are symmetrically disposed at the left sides of the matching plate 201 and the mounting table 202, second screws 203 are disposed in the inner cavities of the two matching holes, the two second screws 203 are rotatably connected to the inner cavities of the two matching holes at the bottom, and the two second screws 203 are both in threaded connection with the inner cavities of the two matching holes at the top, mounting plates are arranged at the four corners of the bottom of the matching plate 201, the two mounting plates at the left side are respectively connected with the two fifth connecting rods 107, the two mounting plates at the right side are respectively connected with the two sixth connecting rods 108, a fixing mechanism is arranged on the mounting table 202, the two second screw rods 203 are rotated to drive the left side of the mounting table 202 to ascend, and the right side of the mounting table 202 is rotated about the rotation axis 204 for the purpose of changing the angle of the mounting table 202.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a stern shaft sealing device sealing performance test bench, includes elevating system (100) and tilt mechanism (200), its characterized in that: the tilting mechanism (200) is positioned at the top of the lifting mechanism (100);

the lifting mechanism (100) comprises a bottom plate (101), fixed plates (102) are arranged at four corners of the top of the bottom plate (101), first connecting rods (103) are arranged on the two fixed plates (102) on the left side in a back-to-back mode, second connecting rods (104) are arranged on the two fixed plates (102) on the right side in an opposite mode, third connecting rods (105) are arranged on the two first connecting rods (103) in a back-to-back mode, fourth connecting rods (106) are arranged at the right ends of the two first connecting rods (103), sixth connecting rods (108) are arranged at the top ends of the two third connecting rods (105), the two sixth connecting rods (108) are respectively connected with the two fourth connecting rods (106), fifth connecting rods (107) are arranged at the joints of the two first connecting rods (103) and the two fourth connecting rods (106), fixed blocks (109) are arranged on the left end opposite sides of the two second connecting rods (104) and the right end opposite sides of the two fifth connecting rods (107), the opposite sides of the two fixed blocks (109) are provided with first screw rods (111), and the left sides of the first screw rods (111) are provided with motors (110).

2. The stern shaft sealing device sealing performance test stand of claim 1, wherein: the left ends of the two second connecting rods (104), the top ends of the two third connecting rods (105) and the left ends of the two sixth connecting rods (108) are connected with the left fixing block (109) through rotating shafts, and the right ends of the two first connecting rods (103), the bottom ends of the two fourth connecting rods (106) and the right ends of the two fifth connecting rods (107) are connected with the right fixing block (109) through rotating shafts.

3. The stern shaft sealing device sealing performance test stand of claim 2, wherein: the mounting hole that runs through is all seted up to two fixed block (109) lateral walls, first screw rod (111) are rotated and are connected the inner chamber at left mounting hole, just first screw rod (111) threaded connection is at the inner chamber of the mounting hole on right side, first screw rod (111) right-hand member is provided with the stopper.

4. The stern shaft sealing device sealing performance test stand of claim 1, wherein: the tilting mechanism (200) comprises a matching plate (201), a rotating shaft (204) is arranged at the right end of the matching plate (201), and an installation table (202) is arranged at the top of the rotating shaft (204).

5. The stern shaft sealing device sealing performance test stand of claim 4, wherein: the matching plate (201) with the matching hole that the symmetry set up is seted up in the left side of mount table (202), and the inner chamber of two matching holes all is provided with second screw rod (203), and two second screw rods (203) all rotate the inner chamber of connecting at two matching holes of bottom, and the inner chamber of two matching holes at the top of two equal threaded connection of second screw rod (203).

6. The stern shaft sealing device sealing performance test stand of claim 4, wherein: the mounting plates are arranged at four corners of the bottom of the matching plate (201), the two mounting plates on the left side are connected with the two fifth connecting rods (107) respectively, and the two mounting plates on the right side are connected with the two sixth connecting rods (108) respectively.