CN207377962U - Vertical thrust slide bearing - Google Patents

Abstract

The utility model relates to a vertical thrust sliding bearing, comprising: a bearing plate; a thrust head located on one side of the bearing plate; a thrust tile located between the thrust head and the bearing plate; Two limiting parts, the second limiting part is rotatably connected to the first limiting part, the second limiting part is provided with a locking mechanism; the side wall of the thrust tile is provided with a fixing groove, and the bottom wall of the fixing groove is provided with a limited Position slot, the first limit piece is connected to the bearing plate, one end of the second limit piece can be inserted into the fixing slot of the thrust shoe, and one end of the locking mechanism is accommodated in the limit groove. The above-mentioned vertical thrust sliding bearing, therefore, can limit the thrust pad through the support plate to prevent the rotation of the thrust pad, avoid damaging the signal lines of other components, and can conveniently rotate the second limiting member to fix or loosen the thrust pad. During the disassembly process, when the thrust head is hoisted, the limit assembly can hook the thrust shoe through the fixing groove of the thrust shoe, thereby preventing the thrust shoe from moving and being adsorbed to the thrust head.

Description

Vertical thrust sliding bearing

technical field

The utility model relates to the field of bearings, in particular to a vertical thrust sliding bearing.

Background technique

The thrust-carrying part of the vertical thrust sliding bearing is composed of multiple thrust tiles. The thrust tiles and disc springs are installed in the mounting holes of the circular bearing plate together. The thrust tiles are provided with mounting holes for temperature measuring elements. It is used to install the temperature measuring element to monitor the temperature of the bearing during operation.

In order to prevent the thrust pad from rotating in the bearing plate and damage the signal line of the temperature measuring element, an anti-rotation pin is usually installed on the bearing plate to prevent the thrust pad from rotating. However, the above structure can only limit the rotation of the thrust pad, but cannot limit the upward axial linear movement of the thrust pad. During the bearing disassembly process, after the thrust head is hoisted, the pads are often adsorbed to the thrust head due to vacuum, and after being sucked up, they may fall from the thrust head due to unstable adsorption force, resulting in damage to the thrust pad, or even result in injury to the operator.

Utility model content

Based on this, it is necessary to provide a vertical thrust sliding bearing that can limit the upward movement of the thrust pad to solve the problem that the upward movement of the thrust pad in the vertical thrust sliding bearing cannot be restricted.

A vertical thrust sliding bearing, the vertical thrust sliding bearing comprising:

a bearing plate, the bearing plate is a hollow ring structure;

a thrust head, located on one side of the bearing plate and spaced apart from the bearing plate;

a thrust shoe located between the thrust head and the carrier plate; and

The limiter assembly includes a first limiter and a second limiter, the second limiter is rotatably connected to the first limiter, and the second limiter is provided with a locking mechanism;

Wherein, the side wall of the thrust shoe is provided with a fixing groove, and the fixing groove includes a bottom wall, and a limiting groove is opened on the bottom wall, the first limiting member is connected to the bearing plate, and the second limiting member is connected to the bearing plate. An end of the limiting member away from the first limiting member can be inserted into the fixing groove of the thrust shoe, and one end of the locking mechanism is accommodated in the limiting groove.

In the above-mentioned vertical thrust sliding bearing, the first stopper of the stopper assembly is connected to the bearing plate, and the second stopper can rotate relative to the first stopper and be inserted into the fixing groove of the thrust shoe, so it can pass through the bearing plate. The thrust tile is limited to prevent the rotation of the thrust tile, avoiding damage to the signal lines of other components, and the second limiting member can be rotated conveniently to fix or loosen the thrust tile. Moreover, during the disassembly process of the vertical thrust sliding bearing, when the thrust head is hoisted, the limit assembly can hook the thrust pad through the fixing groove of the thrust pad, thereby preventing the thrust pad from moving in its axial direction and being absorbed to the thrust pad. on the head, so as to prevent the thrust head from falling after the suction force disappears.

In one of the embodiments, the second limiting member is a hollow shell structure, the locking mechanism includes an elastic member and a locking member matching with the limiting groove, and the elastic member is located at the second limiting groove. In the positioning part, two ends of the elastic part are respectively connected to the locking part and the second limiting part, and the elastic part exerts a pushing force on the locking part away from the first limiting part.

In one of the embodiments, both the thrust shoe and the limiting assembly are multiple, and the multiple limiting components correspond to the multiple thrust shoe one by one.

In one of the embodiments, cross-sections of the first limiting member and the second limiting member are rectangular.

In one of the embodiments, the vertical thrust sliding bearing further includes a fastener, the first limiting member is provided with a first installation hole, the bearing plate is provided with a second installation hole, and the fastener passing through the first installation hole and the second installation hole in order to install the limiting component on the bearing plate.

In one of the embodiments, the support plate includes a first end surface and a second end surface oppositely arranged, the first end surface is located on the side of the support plate close to the thrust head, and the second end surface is located on the side of the support plate The side of the plate away from the thrust head, the second mounting hole extends from the first end face toward the second end face.

In one embodiment, the first end surface is provided with a positioning groove surrounding the second installation hole, and the end of the first limiting member away from the second limiting member is limited in the positioning groove.

In one of the embodiments, the support plate is provided with a limit hole passing through the first end surface and the second end surface, and the vertical thrust sliding bearing further includes a support assembly, one end of which is connected to the the thrust shoe, and the other end is clamped in the limiting hole.

In one embodiment, the thrust shoe includes a large end and a small end connected to one side of the large end, the outer diameter of the small end is smaller than that of the large end, and the fixing groove is opened at the large end.

In one of the embodiments, the vertical thrust sliding bearing further includes a disc spring, and the disc spring is located between the big end and the bearing plate.

Description of drawings

Fig. 1 is a schematic diagram of a vertical thrust sliding bearing of an embodiment;

Fig. 2 is a sectional view of the vertical thrust sliding bearing shown in Fig. 1;

Fig. 3 is a partially enlarged view of the vertical thrust sliding bearing shown in Fig. 2;

Fig. 4 is a structural schematic diagram of the limit assembly of the vertical thrust sliding bearing shown in Fig. 1;

FIG. 5 is a schematic diagram of the limiting assembly shown in FIG. 4 .

Detailed ways

In order to facilitate the understanding of the utility model, the utility model will be described more fully below with reference to the relevant drawings. Preferred embodiments of the present utility model are provided in the accompanying drawings. However, the invention can be embodied in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the understanding of the disclosure of the present utility model more thorough and comprehensive.

It should be noted that when an element is referred to as being “fixed” to another element, it can be directly on the other element or there can also be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and similar expressions are used herein for purposes of illustration only.

Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field of this invention. The terminology used in the description of the utility model herein is only for the purpose of describing specific embodiments, and is not intended to limit the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

As shown in FIG. 1 and FIG. 2 , a vertical thrust sliding bearing 100 according to this preferred embodiment includes a bearing plate 10 , a thrust head 20 , a thrust shoe 30 and a limit assembly 40 .

Wherein, the supporting plate 10 is a hollow annular structure, and the thrust head 20 is located on one side of the supporting plate 10 and spaced apart from the supporting plate 10 . The thrust shoe 30 is located between the thrust head 20 and the bearing plate 10, the limit assembly 40 includes a first limit member 42 and a second limit member 44 (as shown in FIG. 4 ), the second limit member is rotatably connected to The first limiting member and the second limiting member are provided with a locking mechanism 46 (as shown in FIG. 5 ). The side wall of the thrust tile 30 is provided with a fixing groove 322, the fixing groove 322 includes a bottom wall, and a limiting groove is opened on the bottom wall, the first limiting member 42 is connected to the bearing plate 10, and the second limiting member 44 is far away from the first limiting member. One end of the component 42 is inserted into the fixing groove 322 of the thrust shoe 30 , and one end of the locking mechanism 46 is accommodated in the limiting groove.

In the above-mentioned vertical thrust sliding bearing 100, the first stopper 42 of the stopper assembly 40 is connected to the bearing plate 10, and the second stopper 44 is rotatable relative to the first stopper 42 and inserted into the fixing groove of the thrust shoe 30 322, the thrust shoe 30 can be limited by the support plate 10 to prevent the thrust shoe 30 from rotating, avoiding damage to the signal lines of other components, and the second limiter 44 can be rotated conveniently to fix or loosen the thrust shoe 30. Moreover, during the disassembly process of the vertical thrust sliding bearing 100, when the thrust head 20 is hoisted, the limit assembly 40 can hook the thrust shoe 30 through the fixing groove 322 of the thrust shoe 30, thereby preventing the thrust shoe 30 from moving in its axial direction. Move up and be adsorbed on the thrust head 20, thereby preventing the thrust head 20 from falling after the adsorption force disappears.

Specifically, as shown in FIG. 5 , the second limiting member 44 is a hollow shell structure, and the locking mechanism 46 includes an elastic member 462 and a locking member 464 matched with the limiting groove. The elastic member 462 is positioned on the second limiting member 44 Inside, the two ends of the elastic member 462 are respectively connected to the locking member 464 and the second limiting member 44, and the elastic member 462 exerts a pushing force on the locking member away from the first limiting member 42, so that the second limiting member 42 can automatically extend into the The second limiting member 44 is held against the inner wall of the limiting groove to prevent the second limiting member 44 from being released from the fixing groove 322 . Specifically, in this embodiment, the elastic member 462 is a spring, and the extending direction of the spring is the same as the length direction of the second limiting member 44 . The locking member 464 is a steel ball. When the second limiting member 44 rotates relative to the first limiting member 42 , the locking member 464 can slide along the inner wall of the fixing groove 322 until it snaps into the limiting groove.

Please continue to refer to Fig. 1 and Fig. 2, there are a plurality of thrust pads 30 and limit assemblies 40, and a plurality of thrust pads 30 are arranged at intervals along the circumferential direction between the thrust head 20 and the bearing plate 10, and a plurality of limit assemblies 40 and A plurality of thrust tiles 30 correspond to each other so as to limit the movement of each thrust tile 30 .

In this embodiment, the cross-sections of the first limiting member 42 and the second limiting member 44 are rectangular, so as to cooperate with the cylindrical structure of the thrust shoe 30 and prevent the limiting assembly 40 from rotating itself. It can be understood that the specific shape of the limiting component 40 is not limited thereto, and can be set as required.

As shown in Figures 1 and 3, the vertical thrust sliding bearing 100 also includes a fastener 50, the first limiting member 42 is provided with a mounting hole, the bearing plate 10 is provided with a second mounting hole, and the fastener 50 passes through in turn The first installation hole 422 and the second installation hole are used to install the limit assembly 40 on the support plate 10, so that the limit assembly 40 is always in a static state relative to the support plate 10, thereby limiting the axial rotation of the thrust shoe 30 and the thrust head. Straight line movement in 20 directions. It can be understood that the fixing method of the limiting component 40 is not limited thereto, and can be set as required.

The bearing plate 10 includes a first end surface and a second end surface which are arranged horizontally and oppositely, the first end surface is located on the side of the bearing plate 10 close to the thrust head 20, the second end surface is located on the side of the bearing plate 10 away from the thrust head 20, and the second mounting hole is from The first end extends in the direction of the second end. In this way, the limiting assembly 40 is installed on the first end surface of the bearing plate 10 through the fastener 50 .

Further, the first end surface is provided with a positioning groove surrounding the second installation hole, and the end of the first limiting member 42 away from the second limiting member 44 is limited in the positioning groove. In this way, the installation of the limit assembly 40 is facilitated, so that the first installation hole 422 on the limit assembly 40 can be quickly aligned with the second installation hole on the carrier plate 10, thus speeding up the installation of the vertical thrust sliding bearing 100. Assembly efficiency.

The support plate 10 is provided with a limit hole 12 that runs through the first end surface and the second end surface. The vertical thrust sliding bearing 100 also includes a support assembly 60 , one end of which is connected to the thrust shoe 30 , and the other end is clamped in the limit hole 12 Therefore, the upper limit of the thrust shoe 30 in the horizontal direction is located on the supporting plate 10, so as to prevent the thrust shoe 30 from moving linearly in the horizontal direction.

Specifically, the supporting assembly 60 includes a supporting block 62 , a connecting piece 64 and a bushing 66 . Wherein, one end of the connecting piece 64 is inserted into the end of the thrust pad 30 away from the thrust head 20, the support block 62 is sleeved on the end of the connecting piece 64 away from the thrust pad 30 and located in the limit hole 12, and the two ends of the bushing 66 are respectively sleeved on the thrust pad. 30 and support block 62. It can be understood that the structure of the support assembly 60 is not limited thereto, and can be set as required.

In one embodiment, the thrust shoe 30 includes a large end 32 and a small end 34 connected to one side of the large end 32. The outer diameter of the small end 34 is smaller than that of the large end 32. in the bushing 66. The vertical thrust sliding bearing 100 also includes a disc spring 70 , and the disc spring 70 is located between the big end 32 and the bearing plate 10 to support the thrust shoe 30 .

The above-mentioned vertical thrust sliding bearing 100 has a limit assembly 40 that can prevent the thrust pad 30 from rotating around its own axis and linearly moving toward the thrust head 20, so that the thrust pad 30 can be prevented from rotating while the thrust head 20 is hoisted. , the thrust tile 30 is adsorbed to the thrust head 20, and then falls from the thrust head 20 due to unstable adsorption force, resulting in damage to the thrust tile 30.

The technical features of the above-mentioned embodiments can be combined arbitrarily. To make the description concise, all possible combinations of the technical features in the above-mentioned embodiments are not described. However, as long as there is no contradiction in the combination of these technical features, should be considered as within the scope of this specification.

The above-mentioned embodiments only express several implementation modes of the utility model, and the description thereof is relatively specific and detailed, but it should not be understood as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the scope of protection of the utility model patent should be based on the appended claims.

Claims (10)

1. A vertical thrust sliding bearing, characterized in that, the vertical thrust sliding bearing comprises: a bearing plate, the bearing plate is a hollow ring structure; a thrust head, located on one side of the bearing plate and spaced apart from the bearing plate; a thrust shoe located between the thrust head and the carrier plate; and The limiter assembly includes a first limiter and a second limiter, the second limiter is rotatably connected to the first limiter, and the second limiter is provided with a locking mechanism; Wherein, the side wall of the thrust shoe is provided with a fixing groove, and the fixing groove includes a bottom wall, and a limiting groove is opened on the bottom wall, the first limiting member is connected to the bearing plate, and the second limiting member is connected to the bearing plate. An end of the limiting member away from the first limiting member can be inserted into the fixing groove of the thrust shoe, and one end of the locking mechanism is accommodated in the limiting groove. 2. The vertical thrust sliding bearing according to claim 1, wherein the second limiting member is a hollow shell structure, and the locking mechanism includes an elastic member and a locking mechanism matched with the limiting groove. The elastic member is located in the second limiting member, and the two ends of the elastic member are respectively connected to the locking member and the second limiting member, and the elastic member exerts force on the locking member away from the locking member. Describe the thrust of the first limiter. 3. The vertical thrust sliding bearing according to claim 1, characterized in that there are multiple said thrust pads and said limiting assemblies, and a plurality of said limiting assemblies and a plurality of said thrust pads One to one correspondence. 4 . The vertical thrust sliding bearing according to claim 1 , wherein the cross-sections of the first limiting member and the second limiting member are rectangular. 5. The vertical thrust sliding bearing according to claim 1, characterized in that, the vertical thrust sliding bearing further comprises a fastener, the first limiting member is provided with a first installation hole, and the bearing plate A second installation hole is opened, and the fastening member passes through the first installation hole and the second installation hole in order to install the limiting component on the bearing plate. 6. The vertical thrust sliding bearing according to claim 5, wherein the bearing plate includes a first end surface and a second end surface oppositely arranged, and the first end surface is located on the bearing plate close to the thrust head On one side, the second end surface is located on a side of the bearing plate away from the thrust head, and the second installation hole extends from the first end surface toward the second end surface. 7. The vertical thrust sliding bearing according to claim 6, wherein the first end surface is provided with a positioning groove surrounding the second mounting hole, and the first limiting member is far away from the second limiting member. One end of the positioning member is limited in the positioning groove. 8. The vertical thrust sliding bearing according to claim 6, characterized in that, the support plate is provided with a limit hole penetrating through the first end face and the second end face, and the vertical thrust sliding bearing is also A supporting component is included, one end of the supporting component is connected to the thrust shoe, and the other end is clamped in the limiting hole. 9. The vertical thrust sliding bearing according to claim 8, wherein the thrust pad comprises a large end and a small end connected to one side of the large end, and the outer diameter of the small end is smaller than that of the large end , the fixing groove is opened at the big end. 10. The vertical thrust sliding bearing according to claim 9, characterized in that, the vertical thrust sliding bearing further comprises a disc spring, and the disc spring is located between the big end and the bearing plate.