CN220013832U - Stable rotary guide wheel seat of excavator - Google Patents
Stable rotary guide wheel seat of excavator Download PDFInfo
- Publication number
- CN220013832U CN220013832U CN202321057216.2U CN202321057216U CN220013832U CN 220013832 U CN220013832 U CN 220013832U CN 202321057216 U CN202321057216 U CN 202321057216U CN 220013832 U CN220013832 U CN 220013832U
- Authority
- CN
- China
- Prior art keywords
- guide wheel
- wheel seat
- stage
- movable support
- sides
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000007789 sealing Methods 0.000 claims abstract description 26
- 230000006835 compression Effects 0.000 claims abstract description 18
- 238000007906 compression Methods 0.000 claims abstract description 18
- 239000000428 dust Substances 0.000 abstract description 6
- 239000002689 soil Substances 0.000 abstract description 5
- 238000009434 installation Methods 0.000 description 4
- 239000010687 lubricating oil Substances 0.000 description 4
- 239000010410 layer Substances 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Landscapes
- Earth Drilling (AREA)
Abstract
The utility model discloses a guide wheel seat of an excavator, which comprises a guide wheel seat, a sealing assembly and a replacement assembly, wherein the guide wheel seat comprises guide wheels at the upper end and the lower end and a base. According to the guide wheel seat of the excavator capable of stably rotating, the first-stage convex ring, the second-stage concave ring and the third-stage concave ring which are arranged on two sides of the guide wheel are matched with the second-stage compression ring and the third-stage compression ring which are matched with the inner sides of the fixed support and the movable support, the guide wheel which is movably arranged between the fixed support and the movable support can be sealed in three layers, so that dust and soil outside the guide wheel seat in use can be prevented from entering a central hole in the center of the guide wheel, the problem of stable rotation of the guide wheel in use is influenced, good sealing performance of the guide wheel seat is maintained, after the guide wheel at the upper end of the guide wheel seat is damaged, the movable support at one side of the guide wheel seat can be moved outwards, quick replacement of the guide wheel is realized, and a plurality of screw rods and cylindrical pins which are connected with the outer end of the movable support can also ensure stability of the guide wheel seat in use after the movable support is fixed.
Description
Technical Field
The utility model relates to the technical field of excavator guide wheel seats, in particular to a stable rotation excavator guide wheel seat.
Background
The guide wheel seat of the excavator is a device which is arranged at the upper end of the excavator and used for crawler belt transmission, consists of a base and a guide wheel at the upper part, is a device commonly used in life, and is mainly used for excavating materials higher or lower than a bearing surface, and is arranged in a transport vehicle or an earth machine which is unloaded to a storage yard.
The existing guide wheel seat of the excavator, such as a reinforced guide wheel seat of the excavator disclosed in the publication No. CN215562933U, has the advantage of guide wheel replacement, but the guide wheel seat is not provided with a dustproof structure between the guide wheel seat and the brackets at two sides when in use, so that the rotation effect of the guide wheel seat of the excavator is influenced after external dust and soil infiltrate into the center of the guide wheel and are adhered to lubricating oil, and therefore, the guide wheel seat of the excavator is stably rotated.
Disclosure of Invention
The utility model mainly aims to provide the guide wheel seat of the excavator, which can stably rotate and can effectively solve the problems in the background technology.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the utility model provides an excavator guide pulley seat of stable gyration, includes guide pulley seat, seal assembly and exchange subassembly, the guide pulley seat includes leading wheel and the base of upper and lower end, seal assembly includes the one-level bulge loop that the central department evagination of leading wheel both sides department set up to and the second grade concave ring and the tertiary concave ring of arranging in proper order and seting up in the leading wheel in the one-level bulge loop outside, fixed support and movable mounting have fixed bolster and movable bolster respectively still at the both ends of base.
Preferably, the sealing assembly further comprises sealing rings which are arranged inside the two-stage concave rings and the three-stage concave rings on two sides of the guide wheel, and a two-stage pressing ring and a three-stage pressing ring which are arranged on the inner sides of the fixed support and the movable support, wherein the two-stage pressing ring and the three-stage pressing ring are matched with the two-stage concave rings and the three-stage concave rings on two sides of the guide wheel respectively.
Preferably, the sealing assembly further comprises a central hole reserved in the center of the guide wheel, guide wheel shafts which are arranged in the central hole and in the fixed support and the movable support at the two sides in a matched mode, and bearing sleeves are sleeved on the guide wheel shafts at the two sides of the central hole.
Preferably, the sealing assembly further comprises sealing covers which are arranged on two sides of the fixed support and the movable support and used for guiding the outer side of the wheel shaft to seal.
Preferably, the exchange assembly comprises a movable cavity arranged on one side of the base and used for installing the movable support, a plurality of groups of threaded holes formed in the arrangement of the base in a penetrating mode on one side of the movable cavity, and threaded rods are further connected in the threaded holes in a threaded mode.
Preferably, the exchanging assembly further comprises a first bolt hole and a second bolt hole which are correspondingly formed in two sides of the movable support and the base respectively, and cylindrical pins fixedly installed in the first bolt hole and the second bolt hole.
Compared with the prior art, the utility model has the following beneficial effects:
1. the guide wheel seat of the excavator capable of stably rotating comprises a first-stage convex ring, a second-stage concave ring and a third-stage concave ring which are arranged on two sides of the guide wheel, and a second-stage compression ring and a third-stage compression ring which are matched with the inner sides of a fixed support and a movable support, wherein the guide wheel movably arranged between the fixed support and the movable support can be sealed in three layers, so that dust and soil at the outer periphery in use can be prevented from entering a central hole in the center of the guide wheel, the problem of stable rotation of the guide wheel in use of the guide wheel seat is influenced, and good tightness of the guide wheel is maintained;
2. after the guide wheel at the upper end of the guide wheel seat is damaged, the movable support at one side of the guide wheel seat can be moved outwards, so that the guide wheel can be replaced quickly, and the stability in use of the movable support after the movable support is fixed can be ensured due to the fact that a plurality of groups of screw rods and cylindrical pins are connected with the outer end of the movable support.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is an exploded view of the present utility model;
fig. 3 is a side cross-sectional view of the present utility model.
Reference numerals:
100. a guide wheel seat; 101. a guide wheel; 102. a base;
200. a seal assembly; 201. a first-stage convex ring; 202. a secondary concave ring; 203. three-stage concave rings; 204. a fixed bracket; 205. a movable bracket; 206. a seal ring; 207. a second-stage compression ring; 208. a third-stage compression ring; 209. a central bore; 210. a guide wheel shaft; 211. a bearing sleeve; 212. a sealing cover;
300. exchanging the components; 301. a movable cavity; 302. a threaded hole; 303. a screw; 304. a first bolt hole; 305. a second pin hole; 306. cylindrical pins.
Detailed Description
The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.
Embodiment one:
as shown in fig. 1-3, this embodiment provides a stable rotary guide wheel seat of an excavator, including a guide wheel seat 100, a sealing assembly 200 and a replacing assembly 300, the guide wheel seat 100 includes a guide wheel 101 and a base 102 at the upper and lower ends, the sealing assembly 200 includes a first-stage convex ring 201 protruding from the center of two sides of the guide wheel 101, and a second-stage concave ring 202 and a third-stage concave ring 203 sequentially arranged in the guide wheel 101 outside the first-stage convex ring 201, both ends of the base 102 are respectively fixed and movably mounted with a fixed support 204 and a movable support 205, the sealing assembly 200 further includes a sealing ring 206 mounted inside the second-stage concave ring 202 and the third-stage concave ring 203 on two sides of the guide wheel 101, and a second-stage compression ring 207 and a third-stage compression ring 208 mounted inside the fixed support 204 and the movable support 205, respectively match with a central hole 209 reserved at the center of the guide wheel 101 and a central hole 209 on two sides, and a guide wheel shaft 210 mounted in the movable support 205, and a sealing sleeve 212 mounted on two sides of the guide shaft 210 is further provided on the two sides of the guide wheel 200 and the movable support 205, and the sealing sleeve is further provided with a sealing sleeve 212 for fixing the two sides of the guide shaft 204.
Specifically, the guide wheel seat 100 of the excavator is a device installed at the upper end of the excavator and used for crawler belt transmission, and is composed of a base 102 and a guide wheel 101 at the upper part, wherein a first-stage convex ring 201, a second-stage concave ring 202 and a third-stage concave ring 203 are arranged at two sides of the guide wheel 101, and a second-stage compression ring 207 and a third-stage compression ring 208 matched with the inner sides of a fixed support 204 and a movable support 205 are matched, so that the guide wheel 101 movably installed between the fixed support 204 and the movable support 205 can be sealed in three layers, dust and soil at the outer periphery in use can be prevented from entering a central hole 209 in the center of the guide wheel 101, the problem of stable rotation of the guide wheel 101 in use is influenced by the lubricating oil viscosity at the upper end of a guide wheel shaft 210, good tightness between the fixed support 204 and the movable support 205 and the guide wheel 101 is maintained, the sealing rings 206 installed inside the second-stage concave ring 202 and the third-stage concave ring 203 are mainly used for reinforcing sealing performance between the connection of the second-stage concave ring 202, the third-stage concave ring 203 and the second-stage compression ring 207 and the third-stage compression ring 208, and sealing performance between the connection of the fixed support 204 and the movable support 205 is mainly used for guaranteeing sealing the two ends of the guide wheel shaft 210.
Embodiment two:
on the basis of the first embodiment, as shown in fig. 2, the exchange assembly 300 includes a movable cavity 301 disposed on one side of the base 102 and used for mounting the movable support 205, a plurality of groups of threaded holes 302 formed on one side of the movable cavity 301 and penetrating through the base 102, threaded rods 303 are further connected in the threaded holes 302 in a threaded manner, a first bolt hole 304 and a second bolt hole 305 formed on two sides of the movable support 205 and the base 102 respectively, and cylindrical pins 306 fixedly mounted in the first bolt hole 304 and the second bolt hole 305.
Specifically, after the guide wheel 101 at the upper end of the guide wheel seat 100 is damaged, the movable support 205 at one side of the guide wheel seat 100 can be moved outwards, so that quick replacement of the guide wheel 101 between the fixed support 204 and the movable support 205 is realized, multiple groups of threaded holes 302 are formed in the rear end of the movable cavity 301, a screw 303 which is installed in the threaded holes 302 and used for extruding the movable support 205 in the movable cavity 301 is mainly used for ensuring the installation stability of the movable support 205, cylindrical pins 306 which are installed in a first bolt hole 304 and a second bolt hole 305 at two sides of the movable support 205 are mainly used for binding the installation positions of the movable support 205, and reinforcing the installation positions of the movable support 205 is used for ensuring the installation stability of the movable support 205.
The working principle and the using flow of the utility model are as follows:
when the guide wheel 101 at the upper end of the guide wheel seat 100 is used, the two-stage compression rings 207 and the three-stage compression rings 208 at the inner sides of the fixed support 204 and the movable support 205 are stably matched and bound in the two-stage concave rings 202 and the three-stage concave rings 203 at the two sides of the guide wheel 101, and then the two-stage convex rings 201 at the inner sides of the two-stage concave rings 202 are matched, so that a three-layer sealing structure is formed between the guide wheel 101 and the fixed support 204 and the movable support 205 at the two sides, so that external dust and soil can be prevented from penetrating into the central hole 209 of the guide wheel 101, the problem of influencing normal use of the lubricating oil is caused by the upper end of the lubricating oil stuck in the central hole 209, the sealing cover 212 arranged at the outer sides of the fixed support 204 and the movable support 205 can also seal the joints at the two ends of the guide wheel shaft 210, so that dust prevention at the two sides is realized, and after the guide wheel 101 at the upper end of the guide wheel seat 100 is damaged, the cylindrical pins 306 and the screws 303 connected at the two sides of the movable support 205 can be disassembled in sequence, so that the guide wheel 101 can be disassembled and replaced.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the utility model as defined by the appended claims and their equivalents.
Claims (6)
1. The utility model provides an excavator guide pulley seat of stable gyration, includes guide pulley seat (100), seal assembly (200) and change subassembly (300), guide pulley seat (100) are including leading wheel (101) and base (102) of upper and lower end, a serial communication port, seal assembly (200) are including one-level bulge loop (201) that the outside convex ring (201) of leading wheel (101) both sides central authorities department evagination set up to and second grade concave ring (202) and tertiary concave ring (203) of arranging in proper order and seting up in one-level bulge loop (201) outside leading wheel (101), fixed support (204) and movable support (205) are still fixed respectively and movable mounting are installed at the both ends of base (102).
2. The guide wheel seat of the excavator with stable rotation according to claim 1, wherein the sealing assembly (200) further comprises sealing rings (206) which are arranged inside the two-stage concave rings (202) and the three-stage concave ring (203) on two sides of the guide wheel (101), and a two-stage compression ring (207) and a three-stage compression ring (208) which are arranged inside the fixed support (204) and the movable support (205), and the two-stage compression ring (207) and the three-stage compression ring (208) are respectively matched with the two-stage concave rings (202) and the three-stage concave ring (203) on two sides of the guide wheel (101).
3. The guide wheel seat of the excavator with stable rotation according to claim 1, wherein the sealing assembly (200) further comprises a central hole (209) reserved at the center of the guide wheel (101), guide wheel shafts (210) which are arranged in the central hole (209) in a matched mode in the fixed support (204) and the movable support (205) on the two sides, and bearing sleeves (211) are sleeved on the guide wheel shafts (210) on the two sides of the central hole (209).
4. The stable rotating excavator guide wheel seat according to claim 1, wherein the sealing assembly (200) further comprises a sealing cover (212) which is arranged on both sides of the fixed bracket (204) and the movable bracket (205) and is used for guiding the outer side of the wheel shaft (210) to be sealed.
5. The guide wheel seat of the excavator capable of stably rotating according to claim 1, wherein the exchange assembly (300) comprises a movable cavity (301) arranged on one side of the base (102) and used for installing the movable support (205), a plurality of groups of threaded holes (302) are formed in a manner that one side of the movable cavity (301) penetrates through the base (102) in an arrangement mode, and screws (303) are connected in the threaded holes (302) in a threaded mode.
6. The guide wheel seat of the stably rotating excavator according to claim 1, wherein the exchanging assembly (300) further comprises a first bolt hole (304) and a second bolt hole (305) which are respectively formed on two sides of the movable support (205) and the base (102) correspondingly, and cylindrical pins (306) fixedly installed in the first bolt hole (304) and the second bolt hole (305).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321057216.2U CN220013832U (en) | 2023-05-05 | 2023-05-05 | Stable rotary guide wheel seat of excavator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321057216.2U CN220013832U (en) | 2023-05-05 | 2023-05-05 | Stable rotary guide wheel seat of excavator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220013832U true CN220013832U (en) | 2023-11-14 |
Family
ID=88672342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321057216.2U Active CN220013832U (en) | 2023-05-05 | 2023-05-05 | Stable rotary guide wheel seat of excavator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220013832U (en) |
-
2023
- 2023-05-05 CN CN202321057216.2U patent/CN220013832U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |