CN217234393U

CN217234393U - Lubrication sealing device for coupling end of transmission shaft of gyratory crusher

Info

Publication number: CN217234393U
Application number: CN202123037856.0U
Authority: CN
Inventors: 柳逢春
Original assignee: Nanchang Mineral Systems Group Co Ltd
Current assignee: Nanchang Mineral Systems Group Co Ltd
Priority date: 2021-12-06
Filing date: 2021-12-06
Publication date: 2022-08-19
Anticipated expiration: 2031-12-06

Abstract

The utility model discloses a gyratory crusher transmission shaft coupling end lubricating and sealing device, including independent lubricating system, high performance air gap sealing device and transmission shaft main part, high performance air gap sealing device arranges in the inside of transmission shaft main part, still be provided with coupling assembling between independent lubricating system and the transmission shaft main part still be provided with detection component in the independent lubricating system, independent lubricating system includes the channel-section steel, is formed with the oil tank in the inside of channel-section steel, detection component's sense terminal arranges in the inside of oil tank, and high performance air gap sealing device and transmission shaft main part constitute the transmission shaft assembly; through realizing the sealed effect of transmission shaft assembly shaft coupling end high performance air gap and independent lubricating structure, improved gyratory crusher biserial tapered roller bearing's service behavior and life greatly, made the working life greatly increased of transmission shaft assembly to improve work efficiency greatly and reduced cost of maintenance.

Description

Lubrication sealing device for coupling end of transmission shaft of gyratory crusher

Technical Field

The utility model belongs to the technical field of the gyratory crusher, concretely relates to gyratory crusher transmission shaft coupling end lubricating sealing device.

Background

At present, a sealing structure at a coupling end of a transmission shaft assembly of a gyratory crusher adopts a framework oil seal structure, and the lubricating and dustproof effects caused by the lip abrasion of the framework oil seal are reduced, so that oil leakage or dust enters the transmission shaft assembly.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a gyratory crusher transmission shaft coupling end lubrication sealing device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a lubrication sealing device for a coupling end of a transmission shaft of a gyratory crusher comprises an independent lubrication system, a high-performance air gap sealing device and a transmission shaft main body, wherein the high-performance air gap sealing device is arranged in the transmission shaft main body;

the high-performance air gap sealing device comprises a composite deep groove sealing inner ring and a composite deep groove sealing device, wherein the composite deep groove sealing device comprises a composite deep groove sealing outer ring;

the composite deep groove sealing inner ring consists of a deep groove inner ring, a deep groove inner ring cover and a deep groove inner ring sealing ring, wherein a boss for connecting the deep groove inner ring cover is arranged on the deep groove inner ring, and a plurality of deep grooves and inner ring grooves are formed in the deep groove inner ring.

Preferably, the composite deep groove sealing outer ring consists of a deep groove outer ring, a deep groove outer ring cover and a deep groove outer ring sealing ring, a groove for connecting the deep groove outer ring cover is formed in the deep groove outer ring, and a plurality of deep grooves and outer ring grooves are formed in the bottom of the deep groove outer ring.

Preferably, the connecting assembly consists of an upper connecting mechanism and a lower connecting mechanism, wherein the upper connecting mechanism comprises a straight joint, a tee internal thread straight joint A, a thread plug I and a reducer union which are arranged on the transmission shaft main body, the end part of the reducer union is connected with a hydraulic rubber pipe assembly, and the hydraulic rubber pipe assembly is connected with an independent lubricating system;

the lower connecting mechanism consists of a tee internal thread straight joint B, a thread plug II and an end straight pipe joint which are connected in sequence, wherein one end of the lower connecting mechanism is arranged on the transmission shaft main body, and the other end of the lower connecting mechanism is connected with an oil tank through a hydraulic rubber pipe assembly.

Preferably, the detection subassembly comprises protecting cover, adapter, socket and electron level sensor, and wherein the protecting cover is installed on the adapter, and the socket setting is on the adapter, electron level sensor is in the inside of adapter, the inside of oil tank still is provided with the level gauge.

Preferably, a framework oil seal is formed at the joint of the independent lubricating system and the high-performance air gap sealing device, the framework oil seal comprises a positive air pressure dust cover, an air inlet joint is arranged on one side of the positive air pressure dust cover, and a dust sealing ring is arranged on the inner side of the positive air pressure dust cover.

Preferably, the two ends of the independent lubricating system are provided with a chamfer type of a flat washer, a washer is placed on the inner side of the chamfer type of the flat washer, and the inner wall of the chamfer type of the flat washer is also provided with a hexagon head bolt full thread.

Preferably, the hydraulic rubber pipe assembly is of a two-section structure, an inner placing groove is formed in the end portion of the two sections of hydraulic rubber pipe assemblies, a filter plate is placed on the inner side of the inner placing groove, an outer connecting pipe is arranged outside one section of the hydraulic rubber pipe assembly, and the outer connecting pipe is in threaded connection with the other section of the hydraulic rubber pipe assembly.

Compared with the prior art, the beneficial effects of the utility model are that:

1. by realizing the high-performance air gap sealing effect and the independent lubricating structure at the coupling end of the transmission shaft assembly, the service condition and the service life of the double-row tapered roller bearing of the gyratory crusher are greatly improved, the service life of the transmission shaft assembly is greatly prolonged, the working efficiency is greatly improved, and the maintenance cost is reduced;

2. through the filter of design, can carry out preliminary filtration to hydraulic oil in the device operation, avoid hydraulic oil to exist and increase the solidification granule and influence holistic function, it is also very convenient to the dismantlement of filter simultaneously, easily operation.

Drawings

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

fig. 2 is a schematic view of a shaft coupling end sealing device of a transmission shaft of a conventional gyratory crusher according to the present invention;

fig. 3 is a schematic structural diagram of an independent lubrication system in the present invention;

fig. 4 is a schematic view of a cross-sectional structure a-a in fig. 1 according to the present invention;

fig. 5 is a schematic structural view of a high performance air gap sealing device according to the present invention;

fig. 6 is a schematic structural view of the composite deep groove sealing device of the present invention;

fig. 7 is a schematic structural view of the composite deep groove sealing inner ring of the present invention;

fig. 8 is a schematic structural view of the composite deep groove sealing outer ring of the present invention;

fig. 9 is an internal cross-sectional view of the hydraulic hose assembly of the present invention.

In the figure: 1. an independent lubrication system; 101. a straight joint; 102. a tee internal thread straight joint A; 103. blocking the first screw thread; 104. a reducer union; 105. a hydraulic rubber hose assembly; 106. a tee internal thread straight joint B; 107. a second thread plug; 108. a straight-through pipe joint is arranged at the end; 109. a protective cover; 110. an adapter; 111. an oil tank; 112. a socket; 113. an electronic liquid level sensor; 114. channel steel; 115. the hexagon head bolt is full-threaded; 116. a flat washer chamfer shape; 117. a gasket; 118. a liquid level meter; 2. a high performance air gap seal; 211. sealing the inner ring of the composite deep groove; 22. a composite deep groove sealing device; 2211 deep groove inner ring, 2212 deep groove inner ring cover; 2213. A deep groove inner ring sealing ring; 222. sealing an outer ring by the composite deep groove; 2221. a deep groove outer ring; 2222. a deep groove outer ring cover; 2223. a deep groove outer ring sealing ring; 23. an air inlet joint; 24. a positive air pressure dust cover; 25. a dustproof sealing ring; 3. a drive shaft body; 4. a transmission shaft assembly; 5. framework oil seal; 6. an outer connecting pipe; 7. a filter plate; 8. the placing groove is arranged inside.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 9, the present invention provides a technical solution: a gyratory crusher transmission shaft coupling end lubricating and sealing device comprises an independent lubricating system 1, a high-performance air gap sealing device 2 and a transmission shaft main body 3, wherein the high-performance sealing of the transmission shaft coupling end of a crusher and the high-efficiency dustproof effect of lubricating oil are realized through the high-performance air gap sealing device 2 and the independent lubricating system 1, the service condition and the service life of a double-row tapered roller bearing are increased, and the replacement time of a sealing ring is shortened; the high-performance air gap sealing device 2 is arranged inside the transmission shaft main body 3, a connecting assembly is further arranged between the independent lubricating system 1 and the transmission shaft main body 3, a detection assembly is further arranged in the independent lubricating system 1, the independent lubricating system 1 comprises a channel steel 114, an oil tank 111 is formed inside the channel steel 114, a detection end of the detection assembly is arranged inside the oil tank 111, and the high-performance air gap sealing device 2 and the transmission shaft main body 3 form a transmission shaft assembly 4;

the high-performance air gap sealing device 2 comprises a composite deep groove sealing inner ring 211 and a composite deep groove sealing device 22, wherein the composite deep groove sealing device 22 comprises a composite deep groove sealing outer ring 222, the composite deep groove sealing inner ring 211 is made of tin-lead alloy copper with high wear resistance, and the composite deep groove sealing outer ring 222 is made of alloy steel; the two components are matched to form a pair of high-performance wear-resistant auxiliary components, so that the service life is greatly prolonged;

the composite deep groove sealing inner ring 211 is composed of a deep groove inner ring 2211, a deep groove inner ring cover 2212 and a deep groove inner ring sealing ring 2213, a boss for connecting the deep groove inner ring cover 2212 is formed in the deep groove inner ring 2211, and a plurality of deep grooves and inner ring grooves are formed in the deep groove inner ring 2211.

In this embodiment, preferably, the composite deep groove sealing outer ring 222 is composed of a deep groove outer ring 2221, a deep groove outer ring cover 2222, and a deep groove outer ring sealing ring 2223, the deep groove outer ring 2221 is provided with a groove for connecting the deep groove outer ring cover 2222, and the bottom of the deep groove outer ring 2221 is formed with a plurality of deep grooves and outer rings.

In this embodiment, preferably, the connecting assembly is composed of an upper connecting mechanism and a lower connecting mechanism, wherein the upper connecting mechanism includes a straight joint 101, a three-way internal thread straight joint a102, a thread plug-in 103 and a reducer union 104 which are mounted on the transmission shaft main body 3, the end of the reducer union 104 is connected with a hydraulic rubber hose assembly 105, and the hydraulic rubber hose assembly 105 is connected with the independent lubricating system 1;

the lower connecting mechanism consists of a three-way internal thread straight joint B106, a thread plug II 107 and an end straight pipe joint 108 which are connected in sequence and used for transmission, wherein one end of the lower connecting mechanism is arranged on the transmission shaft main body 3, and the other end of the lower connecting mechanism is connected with an oil tank 111 through a hydraulic rubber pipe assembly 105.

In this embodiment, the detecting assembly preferably comprises a cover 109, an adapter 110, a socket 112 and an electronic level sensor 113, wherein the cover 109 is mounted on the adapter 110, the socket 112 is disposed on the adapter 110, the electronic level sensor 113 is disposed inside the adapter 110 for sensing, and a liquid level meter 118 is disposed inside the fuel tank 111.

In this embodiment, it is preferable that a skeleton oil seal 5 is formed at a connection portion of the independent lubrication system 1 and the high-performance air gap sealing device 2, the skeleton oil seal 5 includes a positive air pressure dust cover 24, an air inlet joint 23 is provided at one side of the positive air pressure dust cover 24 for air inlet, and a dust seal ring 25 is provided at an inner side of the positive air pressure dust cover 24.

In this embodiment, preferably, both ends of the independent lubrication system 1 are formed with flat gasket chamfers 116, a gasket 117 is placed inside the flat gasket chamfers 116, and hexagon head bolt full threads 115 are further formed on the inner wall of the flat gasket chamfers 116.

In this embodiment, it is preferred, hydraulic hose assembly 105 is two segmentation structures, and place the groove 8 in having seted up at two sections hydraulic hose assembly 105's tip, place filter 7 including the inboard of groove 8, filter 7 through the design, can be in the device operation, carry out preliminary filtration to hydraulic oil, avoid hydraulic oil to exist and strengthen the solidification granule and influence holistic function, it is also very convenient to the dismantlement of filter 7 simultaneously, easily operation, wherein one section hydraulic hose assembly 105's outside is provided with outer connecting pipe 6, outer connecting pipe 6 and another section hydraulic hose assembly 105 threaded connection.

The utility model discloses a theory of operation and use flow: as shown in fig. 1, the independent lubrication system 1 is formed by installing a high-performance air gap sealing device 2 in a transmission shaft main body 3, and connecting the independent lubrication system 1 with the transmission shaft main body 3 through two hydraulic rubber hose assemblies 105 to form the independent lubrication system 1 of a transmission shaft assembly 4;

as shown in fig. 3, installation of the independent lubrication system 1: the cover 109, the adapter 110, the socket 112 and the electronic level sensor 113 are mounted and will be inserted into the tank 111; a liquid level meter 118 is mounted on the oil tank 111; installing a straight joint 101, a tee internal thread straight joint A102, a thread plug I103 and a reducer union 104 in a transmission shaft main body 3, and connecting the straight joint, the tee internal thread straight joint A102, the thread plug I103 and the reducer union 104 with an oil tank 111 through a hydraulic rubber pipe assembly 105; installing a tee internal thread straight joint B106, a thread plug II 107 and an end straight pipe joint 108 in the transmission shaft main body 3, and connecting the tee internal thread straight joint B, the thread plug II and the end straight pipe joint 108 with an oil tank 111 through a hydraulic rubber pipe assembly 105; the oil tank 111 is arranged in the lower frame of the main machine, and the center line of a liquid level meter 118 of the oil tank 111 is 98-105mm below the center of the transmission shaft main body 3;

as shown in fig. 6, in conjunction with fig. 7 and 8: placing a deep groove inner ring 2211 on a deep groove outer ring 2221; coating LOCTITE640 glue on a boss of a deep groove outer ring 2221; pressing a deep groove outer ring cover 2212 into a boss of a deep groove outer ring 2221; coating LOCTITE640 glue on the boss of the deep groove inner ring 2211; pressing the deep groove inner ring cover 2212 into the boss of the deep groove inner ring 2211; a deep groove inner ring sealing ring 2213 is arranged in an inner groove of a deep groove inner ring 2211; the deep groove outer ring seal 2223 is installed in the outer groove of the deep groove outer ring 2221.

As shown in fig. 5: the composite deep groove sealing device 22 is arranged in the transmission shaft main body 3, several groups of air inlet connectors 23 are arranged on a positive air pressure dust cover 24, and a dust sealing ring 25 is arranged in the positive air pressure dust cover groove 24;

in use, filter hydraulic oil through filter 7, and in long-time use, can dismantle hydraulic pressure rubber tube assembly 105 and form two sections structures to dismantle filter 7 and take out the clearance can, in the installation of later stage, including the standing groove 8 with filter 7 installation, again with hydraulic pressure rubber tube assembly 105 through outer connecting pipe 6 connect can.

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 gyratory crusher transmission shaft coupling end lubrication sealing device which characterized in that: the high-performance air gap sealing device comprises an independent lubricating system (1), a high-performance air gap sealing device (2) and a transmission shaft main body (3), wherein the high-performance air gap sealing device (2) is arranged in the transmission shaft main body (3), a connecting assembly is further arranged between the independent lubricating system (1) and the transmission shaft main body (3), a detection assembly is further arranged in the independent lubricating system (1), the independent lubricating system (1) comprises a channel steel (114), an oil tank (111) is formed in the channel steel (114), the detection end of the detection assembly is arranged in the oil tank (111), and the high-performance air gap sealing device (2) and the transmission shaft main body (3) form a transmission shaft assembly (4);

the high-performance air gap sealing device (2) comprises a composite deep groove sealing inner ring (211) and a composite deep groove sealing device (22), wherein the composite deep groove sealing device (22) comprises a composite deep groove sealing outer ring (222);

the composite deep groove sealing inner ring (211) is composed of a deep groove inner ring (2211), a deep groove inner ring cover (2212) and a deep groove inner ring sealing ring (2213), the deep groove inner ring (2211) is provided with a boss connected with the deep groove inner ring cover (2212), and a plurality of deep grooves and inner ring grooves are formed in the deep groove inner ring (2211).

2. The gyratory crusher drive shaft coupling end lubrication seal apparatus of claim 1, wherein: the composite deep groove sealing outer ring (222) is composed of a deep groove outer ring (2221), a deep groove outer ring cover (2222) and a deep groove outer ring sealing ring (2223), the deep groove outer ring (2221) is provided with a groove for connecting the deep groove outer ring cover (2222), and a plurality of deep grooves and outer ring grooves are formed at the bottom of the deep groove outer ring (2221).

3. The gyratory crusher transmission shaft coupling end lubricating and sealing device of claim 1, wherein: the connecting assembly consists of an upper connecting mechanism and a lower connecting mechanism, wherein the upper connecting mechanism comprises a straight joint (101), a tee internal thread straight joint A (102), a thread plug I (103) and a reducing joint (104) which are arranged on a transmission shaft main body (3), the end part of the reducing joint (104) is connected with a hydraulic rubber pipe assembly (105), and the hydraulic rubber pipe assembly (105) is connected with the independent lubricating system (1);

the lower connecting mechanism consists of a three-way internal thread straight joint B (106), a thread plug II (107) and an end straight-through pipe joint (108) which are connected in sequence, wherein one end of the lower connecting mechanism is arranged on the transmission shaft main body (3), and the other end of the lower connecting mechanism is connected with an oil tank (111) through a hydraulic rubber pipe assembly (105).

4. The gyratory crusher drive shaft coupling end lubrication seal apparatus of claim 1, wherein: the detection assembly consists of a protective cover (109), an adapter (110), a socket (112) and an electronic liquid level sensor (113), wherein the protective cover (109) is installed on the adapter (110), the socket (112) is arranged on the adapter (110), the electronic liquid level sensor (113) is arranged inside the adapter (110), and a liquid level meter (118) is further arranged inside the oil tank (111).

5. The gyratory crusher drive shaft coupling end lubrication seal apparatus of claim 1, wherein: the joint of the independent lubricating system (1) and the high-performance air gap sealing device (2) is provided with a framework oil seal (5), the framework oil seal (5) comprises a positive air pressure dust cover (24), one side of the positive air pressure dust cover (24) is provided with an air inlet joint (23), and the inner side of the positive air pressure dust cover (24) is provided with a dust sealing ring (25).

6. The gyratory crusher drive shaft coupling end lubrication seal apparatus of claim 5, wherein: the two ends of the independent lubricating system (1) are provided with flat gasket chamfer types (116), gaskets (117) are placed on the inner sides of the flat gasket chamfer types (116), and the inner walls of the flat gasket chamfer types (116) are also provided with hexagon head bolt full threads (115).

7. The gyratory crusher drive shaft coupling end lubrication seal apparatus of claim 3, wherein: the hydraulic rubber pipe assembly (105) is of a two-section structure, an inner placing groove (8) is formed in the end portion of the two sections of hydraulic rubber pipe assemblies (105), a filter plate (7) is placed on the inner side of the inner placing groove (8), an outer connecting pipe (6) is arranged outside one section of hydraulic rubber pipe assembly (105), and the outer connecting pipe (6) is in threaded connection with the other section of hydraulic rubber pipe assembly (105).