CN213744748U

CN213744748U - Long-life tension pulley bearing with wear-resistant and corrosion-resistant structure

Info

Publication number: CN213744748U
Application number: CN202022722533.4U
Authority: CN
Inventors: 沈军民; 洪玲芳; 来永祥
Original assignee: Hangzhou Senwei Automobile Bearing Co ltd
Current assignee: Hangzhou Senwei Automobile Bearing Co ltd
Priority date: 2020-11-23
Filing date: 2020-11-23
Publication date: 2021-07-20
Anticipated expiration: 2030-11-23

Abstract

The utility model relates to a high-life tension pulley bearing with wear-resistant and corrosion-resistant structure, which relates to the technical field of tension pulleys, and comprises a supporting device, a tension device, a landing gear, a power device and a driven device, wherein the supporting device comprises a support and a first supporting rod, the tension device comprises a tension block, a rotating shaft and a bearing shell, the lower end of a torsional spring is connected with the upper surface of a bottom plate, the landing gear comprises a tension arm and a rotating rod, the rotating rod is in rotating fit with the first supporting rod, the other end of the tension arm is welded with one surface of the tension block, the power device comprises an engine, a driving wheel and a crawler, one surface of the engine is connected with the support, the bearing shell is in rotating fit with the crawler, the driven device comprises a driven wheel which is in rotating fit with the crawler, the high-life tension pulley bearing with wear-resistant and corrosion-resistant structure enables the bearing not to be stained by oil stains by arranging the bearing shell, avoiding oil stain from corroding the bearing due to long time.

Description

Long-life tension pulley bearing with wear-resistant and corrosion-resistant structure

Technical Field

The utility model relates to a tight pulley technical field that rises, in particular to take wear-resisting corrosion resistant structure's high life tight pulley bearing that rises.

Background

The tension wheel is a quick-wear part of parts of an automobile and the like, the belt is easy to extend after long time use, the tension wheel can automatically adjust the tension of the belt, the belt of the tension wheel runs more stably and can be prevented from slipping, the tension wheel is used for adjusting the tightness of the timing belt and is generally replaced together with the timing belt so as to avoid worries of rear care, other parts are not needed to be replaced, only maintenance is needed to be carried out periodically, the tension wheel mainly comprises a fixed shell, a tension arm, a wheel body, a torsion spring, a rolling bearing, a spring shaft sleeve and the like, the tension force can be automatically adjusted according to different tightness degrees of the belt, and a transmission system is stable, safe and reliable.

The rolling bearing of the lower tensioning wheel in the prior art has the defects of easy abrasion, easy corrosion by oil stains and the like, and therefore the long-service-life tensioning wheel bearing with the wear-resistant and corrosion-resistant structure is provided.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides the high life tight pulley bearing that rises of wear-resisting corrosion-resistant structure in area, can effectively solve easy wearing and tearing in the background art, and be corroded the scheduling problem by the greasy dirt easily.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme: the long-service-life tension wheel bearing with the wear-resistant and corrosion-resistant structure comprises a supporting device, a tension device, a lifting device, a power device and a driven device, wherein the supporting device comprises a bottom plate, a support, a first supporting rod and a rotating block, the upper surface of the bottom plate is welded with the lower surface of the support, the lower surface of the first supporting rod is welded with the upper surface of the bottom plate, the tension device comprises a torsion spring, a tension block, a rotating shaft, a wear-resistant bearing and a bearing shell, the upper end of the torsion spring is connected with the lower surface of the tension block, one surface of the tension block is welded with one end of the rotating shaft, the wear-resistant bearing is in rotating fit with the rotating shaft, rotating holes are formed in the surfaces of two sides of the bearing shell, the bearing shell is in rotating fit with the rotating shaft, the lower end of the torsion spring is connected with the upper surface of the bottom plate, the lifting device comprises a tension arm, a connecting rod and a rotating rod, one end of the tension arm is welded with one surface of the connecting rod, the utility model discloses a tensioning device for a motor vehicle, including power device, bull stick and first branch pole normal running fit, the tight arm other end that rises and the tight piece surface weld that rises, power device includes engine, action wheel and track normal running fit, an engine surface is connected with the support, bearing housing and track normal running fit, driven device includes from driving wheel, driven shaft and connecting axle, from driving wheel surface and driven shaft one end connection, from driving wheel and track normal running fit, driven shaft one end and a turning block surface weld, connecting axle one end and another surface weld of turning block.

Preferably, the support device further comprises a second support rod, the lower surface of the second support rod is welded with the upper surface of the bottom plate, the second support rod is in rotating fit with the rotating block, the main function of the support device is to provide a function display platform, and in practical use, the support device can be replaced by another metal plane.

Preferably, the tight device that rises still includes solid fixed ring, and is a plurality of gu fixed ring is ring type structure, and is a plurality of gu fixed ring internal surface all with a bearing housing surface weld, wherein, gu fixed ring's number is two, gu fixed ring's primary function is the rotating fit relation of fixed bearing housing and track.

Preferably, the landing gear still includes the fixed plate, and is a plurality of a fixed plate surface is equipped with rotatory hole, and is a plurality of the fixed plate all with the bull stick normal running fit, and is a plurality of a fixed plate surface all with a connecting rod surface welding, wherein, the number of fixed plate is two, the primary function of fixed plate makes the tight arm that rises can rotate, and the cooperation torsional spring rises to the track.

Preferably, the power device further comprises a power shaft, one end of the power shaft is welded with one surface of the driving wheel, the power shaft is in rotating fit with the engine, and the power device is mainly used for providing rotating power.

Preferably, the driven device also comprises a driven tooth, one surface of the driven tooth is welded with one end of the connecting shaft, and the driven tooth mainly plays a role in transmitting power manufactured by the power device to a device needing power.

The utility model discloses following beneficial effect has:

1. the utility model discloses a set up the bearing housing, make the bearing can not be infected with by the greasy dirt in the operation, avoided the time length to lead to the greasy dirt to corrode the bearing, through setting up wear-resisting bearing, use thickening wear-resisting material, make the life of tight pulley increase, through setting up the torsional spring, use the high strength torsional spring, make the track keep the high tightness to rotate constantly in rotating, through setting up the tight arm that rises, make the gear housing rise the tight track along with the torsional spring at any time, also can observe whether to change the track according to the angle of the tight arm that rises;

2. the utility model discloses a set up the connecting rod, fixed plate and bull stick for the tight arm that rises has realized the effect of the multi-angle track that rises at any time.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of the overall structure of a long-life tension pulley bearing with a wear-resistant and corrosion-resistant structure according to the present invention;

fig. 2 is a schematic view of a long-life tension pulley bearing with a wear-resistant and corrosion-resistant structure according to the present invention;

fig. 3 is a schematic diagram of a right-side view structure of the long-life tension pulley bearing with a wear-resistant and corrosion-resistant structure according to the present invention;

FIG. 4 is an enlarged view of a portion A of FIG. 1 according to the present invention;

FIG. 5 is an enlarged view of a portion B of FIG. 1 according to the present invention;

fig. 6 is a schematic view of the cross-sectional mechanism at D-D in fig. 3 according to the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

100. a support device; 101. a base plate; 102. a support; 103. a first support bar; 104. a second support bar; 105. rotating the block; 200. a tensioning device; 201. a torsion spring; 202. a tensioning block; 203. a rotating shaft; 204. a wear-resistant bearing; 205. a bearing housing; 206. a fixing ring; 300. a landing gear; 301. a tensioning arm; 302. a connecting rod; 303. a fixing plate; 304. a rotating rod; 400. a power plant; 401. an engine; 402. a power shaft; 403. a driving wheel; 404. a crawler belt; 500. a driven device; 501. a driven wheel; 502. a driven shaft; 503. a connecting shaft; 504. and a driven tooth.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Referring to fig. 1-6, the utility model discloses a take wear-resisting corrosion resistant structure's high life tight pulley bearing that rises, including strutting arrangement 100, rise tight device 200, play device 300, power device 400 and slave unit 500, strutting arrangement 100 includes bottom plate 101, support 102, first branch 103 and turning block 105, bottom plate 101 upper surface and support 102 lower surface welding, first branch 103 lower surface and bottom plate 101 upper surface welding, rise tight device 200 and include torsional spring 201, rise tight piece 202, pivot 203, wear-resisting bearing 204 and bearing housing 205, torsional spring 201 upper end and the tight piece 202 lower surface connection that rises, rise tight piece 202 one surface and pivot 203 one end welding, wear-resisting bearing 204 and pivot 203 normal running fit, bearing housing 205 both sides surface is equipped with the rotation hole, bearing housing 205 and pivot 203 normal running fit, torsional spring 201 lower extreme and bottom plate 101 upper surface connection, landing gear 300 includes the tight arm 301 that rises, wear-resisting bearing 204 and the tight arm 301, The power device 400 comprises an engine 401, a driving wheel 403 and a crawler 404, the driving wheel 403 is in rotating fit with the crawler 404, one surface of the engine 401 is connected with a support 102, a bearing shell 205 is in rotating fit with the crawler 404, the driven device 500 comprises a driven wheel 501, a driven shaft 502 and a connecting shaft 503, one surface of the driven wheel 501 is connected with one end of the driven shaft 502, the driven wheel 501 is in rotating fit with the crawler 404, one end of the driven shaft 502 is welded with one surface of the rotating block 105, and one end of the connecting shaft 503 is welded with the other surface of the rotating block 105.

Further, the supporting device 100 further comprises a second supporting rod 104, the lower surface of the second supporting rod 104 is welded with the upper surface of the bottom plate 101, the second supporting rod 104 is in rotating fit with the rotating block 105, the main function of the supporting device 100 is to provide a functional display platform, and in practical use, another metal plane can be used instead.

Further, the tensioning device 200 further comprises a fixing ring 206, the fixing rings 206 are of a circular ring type structure, the inner surfaces of the fixing rings 206 are welded to the surface of the bearing housing 205, the number of the fixing rings 206 is two, and the fixing rings 206 are mainly used for fixing the rotation matching relationship between the bearing housing 205 and the crawler belt 404.

Further, the landing gear 300 further includes a fixing plate 303, a surface of the fixing plates 303 is provided with a rotating hole, the fixing plates 303 are rotatably matched with the rotating rod 304, a surface of the fixing plates 303 is welded to a surface of the connecting rod 302, the number of the fixing plates 303 is two, the fixing plates 303 mainly function in rotating the tensioning arm 301, and the caterpillar band 404 is tensioned by the aid of the torsion spring 201.

Further, the power device 400 further comprises a power shaft 402, one end of the power shaft 402 is welded with one surface of the driving wheel 403, the power shaft 402 is in rotating fit with the engine 401, and the main function of the power device 400 is to provide rotating power.

Further, the driven device 500 further comprises a driven tooth 504, one surface of the driven tooth 504 is welded with one end of the connecting shaft 503, and the driven tooth 500 mainly functions to transmit power manufactured by the power device 400 to a device needing power.

The utility model discloses a theory of operation does: the engine 401 provides a rotating force to rotate the power shaft 402, the power shaft 402 rotates to drive the driving wheel 403 to rotate, the driving wheel 403 rotates to drive the caterpillar band 404 to rotate, the caterpillar band 404 rotates to drive the driven wheel 501 to rotate, the driven wheel 501 rotates to drive the driven teeth 504 to rotate through the driven shaft 502, the rotating block 105 and the connecting shaft 503, the torsion spring 201 provides a high elastic force to pressurize upwards to the tensioning block 202, the tensioning block 202 pressurizes to the rotating shaft 203, the bearing shell 205 is enabled to tension the caterpillar band 404, and the tensioning arm 301, the fixed plate 303 and the rotating rod 304 assist the tensioning device 200 in tensioning the caterpillar band 404.

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

Claims

1. Take wear-resisting corrosion resistant structure's high life tight pulley bearing that rises, including strutting arrangement (100), tight device (200), landing gear (300), power device (400) and slave unit (500), its characterized in that: strutting arrangement (100) are including bottom plate (101), support (102), first branch (103) and turning block (105), bottom plate (101) upper surface and support (102) lower surface welding, first branch (103) lower surface and bottom plate (101) upper surface welding, tight device (200) including torsional spring (201), tight piece (202), pivot (203), wear-resisting bearing (204) and bearing housing (205) rise, torsional spring (201) upper end and tight piece (202) lower surface connection rise, tight piece (202) surface and pivot (203) one end welding rise, wear-resisting bearing (204) and pivot (203) normal running fit, bearing housing (205) both sides surface is equipped with rotatory hole, bearing housing (205) and pivot (203) normal running fit, torsional spring (201) lower extreme and bottom plate (101) upper surface connection rise and fall, rise and fall device (300) including tight arm (301), The tension device comprises a connecting rod (302) and a rotating rod (304), one end of a tension arm (301) is welded with one surface of the connecting rod (302), the rotating rod (304) is in rotating fit with a first supporting rod (103), the other end of the tension arm (301) is welded with one surface of a tension block (202), the power device (400) comprises an engine (401), a driving wheel (403) and a crawler (404), the driving wheel (403) is in rotating fit with the crawler (404), one surface of the engine (401) is connected with a support (102), a bearing shell (205) is in rotating fit with the crawler (404), the driven device (500) comprises a driven wheel (501), a driven shaft (502) and a connecting shaft (503), one surface of the driven wheel (501) is connected with one end of the driven shaft (502), the driven wheel (501) is in rotating fit with the crawler (404), one end of the driven shaft (502) is welded with one surface of a rotating block (105), one end of the connecting shaft (503) is welded with the other surface of the rotating block (105).

2. The long-life tensioner bearing with wear-resistant and corrosion-resistant structure as claimed in claim 1, wherein: the supporting device (100) further comprises a second supporting rod (104), the lower surface of the second supporting rod (104) is welded with the upper surface of the bottom plate (101), and the second supporting rod (104) is in rotating fit with the rotating block (105).

3. The long-life tensioner bearing with wear-resistant and corrosion-resistant structure as claimed in claim 1, wherein: the tensioning device (200) further comprises a fixing ring (206), the fixing ring (206) is of a circular ring type structure, and the inner surface of the fixing ring (206) is welded with the surface of the bearing shell (205).

4. The long-life tensioner bearing with wear-resistant and corrosion-resistant structure as claimed in claim 1, wherein: the landing gear (300) still includes fixed plate (303), and is a plurality of a fixed plate (303) surface is equipped with rotatory hole, and is a plurality of fixed plate (303) all with bull stick (304) normal running fit, a plurality of a fixed plate (303) surface all with a connecting rod (302) surface welding.

5. The long-life tensioner bearing with wear-resistant and corrosion-resistant structure as claimed in claim 1, wherein: the power device (400) further comprises a power shaft (402), one end of the power shaft (402) is welded with one surface of the driving wheel (403), and the power shaft (402) is in rotating fit with the engine (401).

6. The long-life tensioner bearing with wear-resistant and corrosion-resistant structure as claimed in claim 1, wherein: the driven device (500) further comprises a driven tooth (504), and one surface of the driven tooth (504) is welded with one end of the connecting shaft (503).