CN115321418A

CN115321418A - Diesel generating set vibration isolator adjusting device and method

Info

Publication number: CN115321418A
Application number: CN202210959886.7A
Authority: CN
Inventors: 陈健敏; 盛晓峰; 郭心亮
Original assignee: NANTONG WINSUN POWER CO Ltd
Current assignee: NANTONG WINSUN POWER CO Ltd
Priority date: 2022-08-11
Filing date: 2022-08-11
Publication date: 2022-11-11
Anticipated expiration: 2042-08-11
Also published as: CN115321418B

Abstract

The invention provides a diesel generating set vibration isolator adjusting device and method, which comprises U-shaped frames, jacking rods, bases, hydraulic cylinders I and supporting frames, wherein the two U-shaped frames are hinged with each other, the jacking rods are hinged on the U-shaped frames, the other ends of the jacking rods are hinged with the bases, the bases on the two different U-shaped frames are opposite to each other, the hydraulic cylinder I is arranged on the base on one U-shaped frame, the power output end of the hydraulic cylinder I is in contact with the base on the opposite surface, the two jacking rods and the hydraulic cylinders I form a triangular structure, the bases are provided with transverse sliding frames, and the supporting frames are installed on the transverse sliding frames in a matched mode. Provide jacking platform through mutual articulated U-shaped frame, so the removal that the adjustment subassembly can be free is adjusted it to the bottom of each isolator, and then convenient to use to carry out the jacking to diesel generating set with the help of the principle of lever support, can avoid the condition because of the unable jacking that the load overweight leads to.

Description

Diesel generating set vibration isolator adjusting device and method

Technical Field

The invention relates to vibration isolator adjustment, in particular to a vibration isolator adjusting device and method for a diesel generating set.

Background

A diesel generating set of the diesel locomotive is horizontally arranged on a locomotive body through a plurality of vibration isolators, and a base of the diesel generating set is required to be completely positioned on the same plane in order to ensure the stable and reliable operation of the diesel generating set. However, since the vehicle body is long, the weight of the unit is large, the surfaces of the vehicle body where the vibration isolators are installed cannot be completely coplanar, a certain deviation always exists, and after the diesel generator set is hoisted and the vibration isolators are subjected to specified compression stabilization time, the installation heights of the vibration isolator devices need to be adjusted due to the fact that the vibration isolators bear uneven pressure and different compression amounts, and the height adjustment mode of the vibration isolators is realized by adjusting the thicknesses of the spacers.

The prior art directly installs a push rod mechanism on a vibration isolator so as to lift a generator set, and the publication number is CN107302290B provides a device and a method for adjusting the vibration isolator of a locomotive diesel generator set. The mode has the following defects that the direct integration of the ejector rod mechanism on the vibration isolator is inconvenient to process, the manufacturing cost is greatly increased, the ejector rod assembly is jacked in a direct telescopic mode, the dead weight of the generator set is large, and the condition that the ejector rod mechanism is mechanically disabled easily occurs in the direct jacking mode.

Disclosure of Invention

The invention aims to provide a device and a method for adjusting a vibration isolator of a diesel generating set, which aim to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides a diesel generating set isolator adjusting device, includes U-shaped frame, jacking rod, base, pneumatic cylinder I and support frame, wherein:

two the U-shaped frame is articulated each other, and articulated on the U-shaped frame have a jacking rod, and the other end of jacking rod articulates there is the base, and the base that wherein lies in on two different U-shaped frames is mutually opposed, and the base on one of them U-shaped frame is equipped with pneumatic cylinder I, and the power take off end of pneumatic cylinder I contacts with the base of opposition face, so two jacking rods and pneumatic cylinder I constitute the triangle-shaped structure, have arranged the horizontal slip frame on the base, wherein the cooperation is installed the support frame on the horizontal slip frame.

Preferably, the adjusting device further comprises a linear driving assembly, wherein the two linear driving assemblies are respectively arranged on the two U-shaped frames, and the lifting rod is hinged on an execution component of the linear driving assembly.

Preferably, the adjusting device further comprises cantilever support assemblies, the cantilever support assemblies are respectively arranged on the two U-shaped frames, and the cantilever support assemblies are used for supporting the support frame.

Preferably, the linear driving assembly comprises a linear guide rail, a screw rod and a sliding block, the linear guide rail is connected with the U-shaped frame, the screw rod is rotatably installed in the linear guide rail, the two sliding blocks are installed in the linear guide rail in a matched mode, and the screw rod penetrates through the sliding blocks and forms threaded connection with the sliding blocks.

Preferably, the sliding block is hinged with a jacking rod.

Preferably, cantilever supporting component includes pivot, spline support, pneumatic cylinder II and rotatory spacing subassembly, the pivot is rotated and is installed on U-shaped frame and carry on spacingly to it by rotatory spacing subassembly, the spline support mounting is in the pivot and forms the spline cooperation, is equipped with pneumatic cylinder II on the spline support, and wherein the power take off end of pneumatic cylinder II faces the bottom of support frame when pivot drive pneumatic cylinder II is vertical setting.

Preferably, the rotation limiting component consists of a turntable arranged at the end part of the rotating shaft and a pin shaft, wherein the pin shaft is inserted on the turntable and penetrates into a corresponding limiting hole on the U-shaped frame.

Preferably, the bottom of the U-shaped frame is provided with universal wheels.

A method for adjusting a vibration isolator of a diesel generating set comprises the following steps:

s1, turning over two U-shaped frames to enable the two U-shaped frames to be open;

s2, moving the open U-shaped frame to the bottom of the vibration isolator, and then overturning the U-shaped frame to enable the two U-shaped frames to be in butt joint;

s3, adjusting the position of the U-shaped frame to enable the support frame to be aligned with the connection position of the diesel generating set and the vibration isolator;

s4, extending out a power output end of the hydraulic cylinder I to further push the two lifting rods on the opposite surfaces to overturn, driving the base to lift by the lifting rods, and then jacking the diesel generating set by the support frame;

and S5, adjusting the thickness of the upper spacer of the vibration isolator.

Compared with the prior art, the invention has the beneficial effects that:

according to the invention, the jacking platform is provided by the mutually hinged U-shaped frames, so that the adjusting component can freely move to the bottom of each vibration isolator to adjust the vibration isolator, the use is convenient, the diesel generating set is jacked by virtue of the lever support principle, and the condition that jacking cannot be carried out due to over-heavy load can be avoided.

Drawings

FIG. 1 is a three-dimensional schematic of the overall structure of the present invention;

FIG. 2 is a top view of the overall structure of the present invention;

FIG. 3 is a side view of the overall structure of the present invention;

FIG. 4 is a three-dimensional schematic view of a linear drive assembly of the present invention;

fig. 5 is a three-dimensional schematic view of two U-shaped frames of the present invention when inverted.

In the figure: the device comprises a U-shaped frame 1, a jacking rod 2, a base 3, a hydraulic cylinder I4, a support frame 5, a linear driving assembly 6, a cantilever supporting assembly 7, a universal wheel 11, a linear guide rail 61, a lead screw 62, a sliding block 63, a rotating shaft 71, a spline support 72, a hydraulic cylinder II 73, a rotating disc 711 and a pin shaft 712.

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.

Example (b):

referring to fig. 1 to 4, the present invention provides a technical solution:

the utility model provides a diesel generating set isolator adjusting device, includes U-shaped frame 1, jacking rod 2, base 3, I4 and support frame 5 of pneumatic cylinder, wherein:

two U-shaped frames 1 are articulated each other, and then two U-shaped frames 1 can realize that the upset opens or merges the butt joint, and articulated on the U-shaped frame 1 have a jacking rod 2, the other end of jacking rod 2 articulates there is base 3, wherein the base 3 that lies in on two different U-shaped frames 1 is mutually opposed, base 3 on one of them U-shaped frame 1 is equipped with pneumatic cylinder I4, and the power take off end of pneumatic cylinder I4 and the base 3 contact of opposition, that is to say, be in two bases 3 of opposition arrangement and the both ends contact of pneumatic cylinder I4 respectively, so two jacking rods 2 constitute the triangular structure with pneumatic cylinder I4, two jacking rods 2 overturn to the outside when the power take off end of pneumatic cylinder I4 stretches out, base 3 rises this moment, horizontal slipping frame 31 has been arranged on the base 3, wherein the cooperation is installed support frame 5 on horizontal slipping frame 31, and support frame 5 forms the removal pair on horizontal slipping frame 31, so support frame 5 can not follow base 3 horizontal translation when base 3 rises.

As a preferred embodiment, the adjusting device further comprises a linear drive assembly 6, wherein two linear drive assemblies 6 are respectively arranged on the two U-shaped frames 1, and the lifting rod 2 is hinged on an actuating part of the linear drive assembly 6. And then jacking rod 2 can self-adaptation in longitudinal direction position is adjusted, can adapt to different operating modes.

As a preferred embodiment, the adjusting device further comprises cantilever support assemblies 7, the cantilever support assemblies 7 are respectively arranged on the two U-shaped frames 1, and the cantilever support assemblies 7 are used for supporting the supporting frame 5. The situation that the supporting frame 5 generates cantilever support when jacking the generator set is avoided, so that the generator set is suitable for heavier loads.

In a preferred embodiment, the linear driving assembly 6 comprises a linear guide 61, a screw 62 and a slide block 63, the linear guide 61 is connected with the U-shaped frame 1, the screw 62 is rotatably installed in the linear guide 61, the two slide blocks 63 are installed in the linear guide 61 in a matching way, wherein the screw 62 penetrates through the slide block 63 and forms a threaded connection with the slide block 63. The lifting rod 2 is hinged on the sliding block 63. The lifting rod 2 is displaced therewith when the slide 63 is translated longitudinally.

The above embodiment discloses a case that one lifting rod 2 is hinged to the sliding block 63, and of course, the embodiment of the present application is not limited thereto, as shown in fig. 1, two lifting rods 2 are arranged on the U-shaped frame 1, at this time, the screw rod 62 is replaced by a bidirectional screw rod and two sliding blocks 63 are arranged on the linear guide rail 61, and parts of opposite screw threads at two ends of the bidirectional screw rod respectively penetrate through the two sliding blocks 63, wherein a threaded connection is formed between the bidirectional screw rod and the sliding blocks 63, so that the two sliding blocks 63 move towards directions close to or away from each other when the bidirectional screw rod rotates, and the two sliding blocks 63 are hinged to the lifting rods 2, so that the positions of the two lifting rods 2 can be adjusted accordingly. Since the U-shaped frame 1 of the solution disclosed in this embodiment is provided with two lifting rods 2, the number of the hydraulic cylinders i 4 is two.

As a preferred embodiment, the cantilever supporting assembly 7 includes a rotating shaft 71, a spline support 72, a hydraulic cylinder ii 73 and a rotation limiting assembly, the rotating shaft 71 is rotatably mounted on the U-shaped frame 1 and is limited by the rotation limiting assembly, the spline support 72 is mounted on the rotating shaft 71 and forms spline fit, so that the spline support 72 forms a moving pair in the central axis direction of the rotating shaft 71, and the spline support 72 rotates along with the rotating shaft 71 when the rotating shaft 71 rotates, and the hydraulic cylinder ii 73 is arranged on the spline support 72, wherein when the rotating shaft 71 drives the hydraulic cylinder ii 73 to be vertically arranged, the power output end of the hydraulic cylinder ii 73 faces the bottom of the supporting frame 5, so that the power output end of the hydraulic cylinder ii 73 extends out to support the supporting frame 5.

The number of the spline supports 72 and the hydraulic cylinders II 73 is the same as that of the jacking rods 2 on the same U-shaped frame 1.

In a preferred embodiment, the rotation limiting assembly is composed of a rotating plate 711 disposed at the end of the rotating shaft 71 and a pin 712, wherein the pin 712 is inserted into the rotating plate 711 and penetrates into a corresponding limiting hole of the U-shaped frame 1. In this embodiment, the rotation is limited by the pin hole, but the rotation limiting manner disclosed in the present application is not limited thereto, and may be limited by a limiting bolt.

In a preferred embodiment, the bottom of the U-shaped frame 1 is provided with universal wheels 11. Thereby facilitating the movement of the U-shaped frame 1.

The transverse direction and the longitudinal direction are opposite directions, and particularly refer to fig. 2, wherein the transverse direction is the central axis direction of the hydraulic cylinder I4 in fig. 2, and the longitudinal direction is the central axis direction of the screw 62.

s1, overturning the two U-shaped frames 1 to enable the two U-shaped frames 1 to be open, wherein all the parts are shown in the attached drawing 5;

s2, moving the open U-shaped frame 1 to the bottom of the vibration isolator, and then overturning the U-shaped frame 1 to enable the two U-shaped frames 1 to be in butt joint, wherein all the parts are shown in the attached drawing 1;

s3, adjusting the position of the U-shaped frame 1 to enable the support frame 5 to be aligned with the connection position of the diesel generating set and the vibration isolator, and facilitating the adjustment of the position of the U-shaped frame 1 due to the fact that the universal wheels 11 are arranged at the bottom of the U-shaped frame 1;

s4, the power output end of the hydraulic cylinder I4 extends out to push the two jacking rods 2 in the opposite surfaces to overturn, the jacking rods 2 drive the base 3 to lift, then the support frame 5 jacks up the diesel generating set, and the jacking rods 2 arranged oppositely and the hydraulic cylinder I4 form a triangular structure, so that the lifting of the jacking rods 2 is in a lever principle, and labor is saved;

and S5, adjusting the thickness of the upper spacer of the vibration isolator, and further ensuring that the vibration isolator is in a standard use working condition.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a diesel generating set isolator adjusting device, includes U-shaped frame (1), jacking pole (2), base (3), pneumatic cylinder I (4) and support frame (5), its characterized in that:

two U-shaped frame (1) is articulated each other, and articulated on U-shaped frame (1) have lifting rod (2), the other end of lifting rod (2) articulates there is base (3), wherein base (3) that are located on two different U-shaped frames (1) are mutually opposite, base (3) on one of them U-shaped frame (1) are equipped with pneumatic cylinder I (4), and the power take off end of pneumatic cylinder I (4) and base (3) the contact of opposite face, so two lifting rod (2) constitute the triangle with pneumatic cylinder I (4), horizontal slip frame (31) have been arranged on base (3), wherein support frame (5) are installed in the cooperation on horizontal slip frame (31).

2. The diesel generating set vibration isolator adjusting device of claim 1, wherein: the adjusting device further comprises a linear driving assembly (6), wherein the two linear driving assemblies (6) are respectively arranged on the two U-shaped frames (1), and the jacking rod (2) is hinged on an execution component of the linear driving assembly (6).

3. The diesel generating set vibration isolator adjusting device of claim 1, wherein: the adjusting device further comprises cantilever supporting components (7), the cantilever supporting components (7) are respectively arranged on the two U-shaped frames (1), and the cantilever supporting components (7) are used for supporting the supporting frame (5).

4. The diesel generating set vibration isolator adjusting device of claim 2, wherein: the linear driving assembly (6) comprises a linear guide rail (61), a screw rod (62) and sliding blocks (63), the linear guide rail (61) is connected with the U-shaped frame (1), the screw rod (62) is rotatably installed in the linear guide rail (61), the two sliding blocks (63) are installed in the linear guide rail (61) in a matched mode, and the screw rod (62) penetrates through the sliding blocks (63) and forms threaded connection with the sliding blocks (63).

5. The diesel generating set vibration isolator adjusting device of claim 4, wherein: the sliding block (63) is hinged with a jacking rod (2).

6. The diesel generating set vibration isolator adjusting device of claim 3, wherein: cantilever supporting component (7) are including pivot (71), spline support (72), pneumatic cylinder II (73) and rotatory spacing subassembly, pivot (71) are rotated and are installed on U-shaped frame (1) and carry on spacingly to it by rotatory spacing subassembly, spline support (72) are installed on pivot (71) and are formed the spline cooperation, are equipped with pneumatic cylinder II (73) on spline support (72), and wherein the power take off end of pneumatic cylinder II (73) is facing the bottom of support frame (5) when pivot (71) drive pneumatic cylinder II (73) are vertical setting.

7. The diesel generating set vibration isolator adjusting device of claim 6, wherein: the rotation limiting assembly is composed of a rotating disc (711) arranged at the end part of the rotating shaft (71) and a pin shaft (712), wherein the pin shaft (712) is inserted on the rotating disc (711) and penetrates into a corresponding limiting hole on the U-shaped frame (1).

8. The diesel generator set vibration isolator adjusting device as set forth in any one of claims 1-7, wherein: the bottom of the U-shaped frame (1) is provided with universal wheels (11).

9. A method for adjusting a vibration isolator of a diesel generating set is characterized by comprising the following steps of:

s1, overturning the two U-shaped frames (1) to enable the two U-shaped frames (1) to be in an open shape;

s2, moving the open U-shaped frame (1) to the bottom of the vibration isolator, and then overturning the U-shaped frame (1) to enable the two U-shaped frames (1) to be in butt joint;

s3, adjusting the position of the U-shaped frame (1) to enable the support frame (5) to be aligned with the connecting position of the diesel generating set and the vibration isolator;

s4, the power output end of the hydraulic cylinder I (4) extends out to push the two lifting rods (2) in the opposite surfaces to overturn, at the moment, the lifting rods (2) drive the base (3) to lift, and then the support frame (5) jacks up the diesel generating set;

and S5, adjusting the thickness of the spacer on the vibration isolator.