CN219931928U - Wear-resisting piece of rear door hanger of muck truck carriage - Google Patents
Wear-resisting piece of rear door hanger of muck truck carriage Download PDFInfo
- Publication number
- CN219931928U CN219931928U CN202321635444.3U CN202321635444U CN219931928U CN 219931928 U CN219931928 U CN 219931928U CN 202321635444 U CN202321635444 U CN 202321635444U CN 219931928 U CN219931928 U CN 219931928U
- Authority
- CN
- China
- Prior art keywords
- wear
- pin shaft
- back door
- carriage
- carriage back
- Prior art date
- 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.)
- Active
Links
- 239000000428 dust Substances 0.000 claims description 12
- 238000012423 maintenance Methods 0.000 abstract description 8
- 239000004576 sand Substances 0.000 description 20
- 238000005299 abrasion Methods 0.000 description 12
- 238000003466 welding Methods 0.000 description 6
- 239000002689 soil Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000002184 metal Substances 0.000 description 3
- 239000002893 slag Substances 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Landscapes
- Support Devices For Sliding Doors (AREA)
Abstract
The utility model discloses a wear-resistant piece of a carriage back door hanger of a dregs car, which relates to the technical field of automobile parts and solves the problem that a pin shaft can grind a large hole of the carriage back door hanger, so that the maintenance cost is increased when the carriage back door hanger is maintained; a dregs car carriage back door hanger wear part comprising: a middle pin shaft; the tail part of the middle pin shaft is provided with a fixing nut; a middle wear-resistant sleeve is arranged in the middle of the middle pin shaft; the middle wear-resistant sleeve is internally provided with a middle rotating ring in a rotating way, an inner rotating column is arranged in a rotating way through a ring-shaped array of the middle rotating ring, outer dustproof rings are fixed on the upper side and the lower side of the middle wear-resistant sleeve, ash guiding grooves are formed in the outer side of the outer dustproof rings in a ring-shaped array way, connecting studs are arranged at the tail parts of the middle pin shafts, the connecting studs are in threaded connection with fixing nuts, and tail limiting bolts penetrate through the middle parts of the connecting studs; the utility model discloses well wear-resisting cover rotates along with dregs car carriage back door, and well wear-resisting cover replaces carriage back door stores pylon to wear, has avoided the wearing and tearing of well round pin axle to carriage back door stores pylon.
Description
Technical Field
The utility model belongs to the technical field of automobile parts, and particularly relates to a wear-resistant part of a rear door hanger of a compartment of a muck truck.
Background
The existing rear door of the muck truck carriage is connected through a pin shaft, the pin shaft and the carriage are penetrated together, and the rear door of the muck truck carriage is opened and closed by rotating around the pin shaft as a center through a rear door hanging frame.
After the carriage back door of the dregs car is used for a long time, the pin shaft can grind a large hole from the carriage back door hanging frame, so that the moving range of the carriage back door is enlarged, the carriage back door of the dregs car cannot be closed in place, the carriage back door hanging frame is ground out of the large hole, the carriage back door hanging frame cannot be used continuously, the carriage back door hanging frame needs to be replaced, and the maintenance cost is increased.
Disclosure of Invention
In order to solve the technical problems, the utility model provides the wear-resistant piece for the carriage back door hanger of the muck truck, which solves the problems that after the carriage back door of the muck truck is turned on and off for a long time for use, a pin shaft gradually wears and expands the connecting hole position of the carriage back door hanger, so that the carriage back door hanger is worn out to form a large hole, the movable range of the carriage back door is enlarged, the carriage back door of the muck truck cannot be closed in place, the carriage back door hanger worn out to form the large hole cannot be used continuously, and a new carriage back door hanger needs to be replaced by cutting and welding or the large hole needs to be repaired by welding, so that the maintenance cost is increased.
The utility model discloses a purpose and an effect of a wear-resistant part of a rear door hanger of a muck truck carriage, which are achieved by the following specific technical means:
a wear-resistant piece of a carriage rear door hanger of a muck truck comprises a middle pin shaft; the tail part of the middle pin shaft is provided with a fixing nut; a middle wear-resistant sleeve is arranged in the middle of the middle pin shaft; the inner rotating ring is arranged in the middle of the wear-resistant sleeve in a rotating manner, the inner rotating column is arranged in the middle of the rotating ring in a rotating manner in an annular array manner, the outer dustproof rings are fixed on the upper side and the lower side of the middle wear-resistant sleeve, and the ash guiding grooves are formed in the annular array on the outer side of the outer dustproof rings.
Furthermore, the tail part of the middle pin shaft is provided with a connecting stud, the connecting stud is in threaded connection with a fixing nut, a tail limiting bolt penetrates through a hole position in the middle of the connecting stud, the head end and the tail end of the tail limiting bolt are both in threaded connection with an outer nut, the middle pin shaft is in threaded connection with the fixing nut through the connecting stud, and the fixing nut is used for fixing the carriage back door hanging frame and the middle pin shaft.
Further, interior steering column and well round pin axle middle part rotate the contact, and interior steering column is around in the round pin axle middle part outside, and well wear-resisting cover and transfer ring all encircle in the round pin axle outside in, and well wear-resisting cover carries out through connection with dregs car carriage back door hole position, and well wear-resisting cover rotates along with dregs car carriage back door, and well round pin axle passes through well wear-resisting cover carriage back door stores pylon contact, has avoided well round pin axle and fixation nut to the rotation wearing and tearing problem of carriage back door stores pylon.
Further, the annular array at the top of the fixing nut is provided with upper protruding blocks which are arranged at intervals.
Further, the outer nut is located at the interval of the upper protruding block, the outer side of the outer nut is in sliding fit with the side face of the upper protruding block, the outer nuts at the two ends of the tail limiting bolt are in same-direction threaded connection, the outer nuts clamp the upper protruding block, and the situation that the upper protruding block and the fixing nut are loosened by rotation is avoided.
Further, the dust guiding groove is formed by gradually reducing the width and the depth of the inner side of the outer dust-proof ring, the outer side of the dust guiding groove is wider and deeper, sand is prevented from being blocked, sand can be guided to move outwards, the sand is guided to flow downwards when the dust guiding groove is positioned below, and the attachment of the sand is reduced.
The utility model at least comprises the following beneficial effects:
1. according to the utility model, the wear-resistant sleeve is connected with the carriage back door of the muck truck, the middle wear-resistant sleeve rotates along with the carriage back door of the muck truck, the middle wear-resistant sleeve replaces a carriage back door hanging frame to be worn, the middle pin shaft cannot directly contact and rub with the carriage back door hanging frame, the problem of rotation wear of the middle pin shaft and the fixing nut on the carriage back door hanging frame is avoided, and the problem of maintenance cost increase due to the abrasion replacement of the carriage back door hanging frame is avoided.
2. The outer dustproof ring is sealed, sand is reduced from entering the inner side of the inner rotary column, the dust guiding groove accumulates the sand and guides the sand to move outwards, and abrasion of the sand to the outer dustproof ring is reduced.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the wear part of the rear door hanger of the muck truck carriage of the present utility model.
FIG. 2 is a schematic view of the semi-sectional structure of the outer dust ring of the wear part of the rear door hanger of the muck truck carriage.
Fig. 3 is a schematic diagram of the structure of a middle pin shaft of a wear-resistant part body of a rear door hanger of a carriage of the muck truck.
Fig. 4 is a schematic diagram of a split structure of a middle wear-resistant sleeve of a wear-resistant part body of a rear door hanger of a carriage of a muck truck.
Fig. 5 is a schematic diagram of a split structure of a middle pin shaft of a wear-resistant part body of a rear door hanger of a carriage of a muck truck.
In the figure, the correspondence between the component names and the drawing numbers is:
1. a middle pin shaft; 101. a connecting stud; 102. tail limit bolts; 103. an outer nut; 2. a fixing nut; 201. a bump is arranged; 3. a middle wear-resistant sleeve; 301. a middle swivel; 302. an inner rotating column; 303. an outer dust ring; 304. an ash guiding groove.
Detailed Description
Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples.
Examples:
as shown in fig. 1 to 5:
the utility model provides a wear-resistant part of a rear door hanger of a compartment of a muck truck, which comprises a middle pin shaft 1; the tail part of the middle pin shaft 1 is provided with a connecting stud 101, the connecting stud 101 is in threaded connection with a fixing nut 2, a tail limit bolt 102 penetrates through a hole position in the middle of the connecting stud 101, an outer nut 103 is in threaded connection with the head end and the tail end of the tail limit bolt 102, the middle pin shaft 1 is in threaded connection with the fixing nut 2 through the connecting stud 101, the fixing nut 2 clamps and fixes a carriage rear connecting frame and the middle pin shaft 1, and the middle pin shaft 1 keeps a fixed state; the tail part of the middle pin shaft 1 is provided with a fixed nut 2, an annular array at the top of the fixed nut 2 is provided with upper protruding blocks 201, the upper protruding blocks 201 are arranged at intervals, the fixed nut 2 is of a hexagonal nut structure, the outer nuts 103 are positioned at intervals of the upper protruding blocks 201, the outer sides of the outer nuts 103 are in sliding fit with the side surfaces of the upper protruding blocks 201, the outer nuts 103 at the two ends of the tail limiting bolt 102 are in same-direction threaded connection, the upper protruding blocks 201 are clamped by the outer nuts 103, and the situation that the upper protruding blocks 201 and the fixed nut 2 are loosened by rotation is avoided;
the middle part of the middle pin shaft 1 is provided with a middle wear-resistant sleeve 3, the middle wear-resistant sleeve 3 is internally provided with a middle swivel 301 in a rotating way, the annular array of the middle swivel 301 rotates to form an inner rotary column 302, the outer side of the inner rotary column 302 can be in sliding contact with the middle wear-resistant sleeve 3, the inner rotary column can also be surrounded by the middle swivel 301, the upper side and the lower side of the middle wear-resistant sleeve 3 are respectively fixed with an outer dustproof ring 303, the annular array of the outer dustproof rings 303 is provided with an ash guiding groove 304, the middle wear-resistant sleeve 3 rotates along with a rear door of a carriage of a muck car, the middle pin shaft 1 is kept fixed with a connecting frame at the rear part of the carriage, the middle pin shaft 1 cannot be in direct contact friction with a rear door hanger of the carriage, abrasion between the middle pin shaft 1 and the rear door hanger of the carriage is avoided, and the rotation abrasion problem of the middle pin shaft 1 and a fixing nut 2 to the rear door hanger of the carriage is avoided.
The inner rotating column 302 is in rotary contact with the middle part of the middle pin shaft 1, the inner rotating column 302 surrounds the outer side of the middle pin shaft 1, the middle wear-resistant sleeve 3 and the middle rotating ring 301 surround the outer side of the middle pin shaft 1, the middle wear-resistant sleeve 3 and the rear door of the carriage are in through connection, the middle wear-resistant sleeve 3 rotates along with the rear door of the carriage of the slag car, the middle wear-resistant sleeve 3 and the middle rotating ring 301 rotate mutually, the inner rotating column 302 rotating inside the middle rotating ring 301 rotates mutually with the middle pin shaft 1, multiple rotation avoids rotary transmission of the middle pin shaft 1, even if one part is blocked, synchronous rotation of the middle pin shaft 1 and the rear door of the carriage of the slag car can be completed, the influence of the rotation of the middle pin shaft 1 is reduced, the middle pin shaft 1 is kept fixed, the middle pin shaft 1 contacts with the rear door hanging frame of the carriage through the middle wear-resistant sleeve 3, the middle pin shaft 1 and the middle wear-resistant sleeve 3 synchronously rotate, the middle pin shaft 1 can not directly contact with the rear door of the carriage, the problem of rotating the carriage rear door hanging frame caused by the fixing nut 2 is avoided, the middle wear of the carriage hanging frame is replaced by the middle wear-resistant sleeve 3, the carriage hanging frame is more time-saving, and the welding cost is reduced.
Wherein, draw the ash chute 304 for by outside outer dust collar 303 outside width and the setting that reduces gradually of degree of depth, draw the ash chute 304 outside wider deeper, avoided sand and soil card to die, can also guide sand and soil outwards to remove, draw the ash chute 304 to be in the time of the below guide sand and soil downwardly flowing, reduce the inclusion of sand and soil, reduce the wearing and tearing of sand and soil outside dust collar 303.
In another embodiment, as shown in the drawing, the middle wear-resistant sleeve 3 can be in a cylindrical pipe structure, the middle wear-resistant sleeve 3 is rotationally sleeved in the middle of the middle pin shaft 1, the arrangement of the transit ring 301 and the transit column 302 is omitted, the cost is reduced, lower prices are set, different price grades are set, market subdivision is carried out through different prices, different prices meet different demands, and market coverage is enlarged.
In another embodiment, as shown in the figure, the tail limit bolt 102 and the outer nut 103 can be replaced by a metal wire in a shape of a Chinese character 'ji', and the metal wire penetrates through the hole site of the connecting stud 101 to limit the fixing nut 2, so that the fixing nut 2 is fastened, the loosening is avoided, the cost of the metal wire is lower, the cost is reduced, different prices meet different requirements, and the market coverage is enlarged.
Specific use and action of the embodiment:
in the utility model, when in use and installation, two sides of a carriage rear door of a muck truck are provided with hanging frames, a middle wear-resistant sleeve 3 is connected with a hole site of the carriage rear door hanging frame of the muck truck in a penetrating way, the middle wear-resistant sleeve 3 is arranged at the joint of the carriage rear connecting frame and the muck truck carriage rear door hanging frame, a middle pin shaft 1 is in a cylindrical structure, the middle pin shaft 1 penetrates through the hole site of the carriage rear connecting frame and then penetrates through the middle wear-resistant sleeve 3, the middle pin shaft 1 is connected with a fixing nut 2 in a threaded way through a connecting stud 101, the fixing nut 2 is positioned at the carriage rear connecting frame, the fixing nut 2 clamps the carriage rear connecting frame and the middle pin shaft 1, the middle pin shaft 1 keeps a fixed state, the middle wear-resistant sleeve 3 rotates along with the muck truck carriage rear door, the middle wear-resistant sleeve 3 rotates with a transit ring 301, an inner rotating column 302 rotating at the inner side of the transit ring 301 rotates, and multiple rotations of the middle pin shaft 1 are avoided, even one of the rotating parts is blocked, the synchronous rotation of the carriage back door of the muck truck can be completed, the influence of the rotation of the centering pin shaft 1 is reduced, the centering pin shaft 1 cannot rotate along with the rotation, the centering pin shaft 1 is kept fixed, the centering pin shaft 1 cannot directly contact and rub with the carriage back door hanging frame, the problem of the rotation abrasion of the carriage back door hanging frame by the centering pin shaft 1 and the fixing nut 2 is avoided, the problem of the abrasion and replacement of the carriage back door hanging frame and the maintenance cost are avoided, the abrasion and contact between the centering pin shaft 1 and the carriage back door hanging frame are avoided, the abrasion of the carriage back door hanging frame is avoided, the carriage back door hanging frame is ensured to be intact, the middle abrasion-resistant sleeve 3 replaces the carriage back door hanging frame to be abraded, the condition of carriage back door hanging frame welding maintenance is avoided through the replacement of the middle abrasion-resistant sleeve 3, the time is saved, the cost is reduced, and only the centering pin shaft 1 and the middle abrasion-resistant sleeve 3 are avoided, the middle swivel 301 and the inner swivel 302 are worn only by replacing the parts regularly, the carriage back door hanging frame is welded on the carriage back door, the carriage back door hanging frame is replaced by cutting the old carriage back door hanging frame and welding the new carriage back door hanging frame, the carriage back door hanging frame is more troublesome to replace, the carriage back door hanging frame is longer in welding processing time and higher in maintenance cost, the replacement cost of the middle wear-resistant sleeve 3, the middle swivel 301 and the inner swivel 302 is lower, the maintenance cost is further reduced, and the middle pin shaft 1, the middle wear-resistant sleeve 3, the middle swivel 301 and the inner swivel 302 are treated by special processes, so that the wear resistance among the middle pin shaft 1, the middle wear-resistant sleeve 3, the middle swivel 301 and the inner swivel 302 is improved;
the outer dustproof ring 303 is made of rubber, the outer dustproof ring 303 is sealed, the outer dustproof ring 303 is attached to a carriage back door hanger, sand is prevented from entering the outer portion of the middle pin shaft 1 along the gap between the middle wear sleeve 3 and the carriage back door hanger and is worn out in an accelerating mode, sand is reduced from entering the inner side of the inner rotating column 302, the sand is accumulated in the dust guiding groove 304, the outer side of the dust guiding groove 304 is wider and deeper, sand is prevented from being blocked, sand can be guided to move outwards, the sand is guided to flow downwards when the dust guiding groove 304 is positioned below, the abrasion of the sand to the outer dustproof ring 303 is reduced, and the service life is prolonged; after the fixing nut 2 is fixed, the tail limiting bolt 102 is penetrated through the connecting stud 101, the tail limiting bolt 102 is fixedly connected with the outer nut 103 in a screwed mode, the outer nut 103 is attached to the vertical face on the side face of the upper protruding block 201, the upper protruding block 201 is clamped by the outer nut 103, the situation that the upper protruding block 201 and the fixing nut 2 are loosened in a rotating mode is avoided, and the fastening position of the fixing nut 2 is kept.
Claims (6)
1. The utility model provides a dregs car carriage back door stores pylon wearing parts which characterized in that: comprises a middle pin shaft (1); the tail part of the middle pin shaft (1) is provided with a fixing nut (2); a middle wear-resistant sleeve (3) is arranged in the middle of the middle pin shaft (1); the inner part of the middle wear-resistant sleeve (3) is rotatably provided with a middle rotating ring (301), the annular array of the middle rotating ring (301) is rotatably provided with an inner rotating column (302), the upper side and the lower side of the middle wear-resistant sleeve (3) are respectively fixed with an outer dustproof ring (303), and the annular array of the outer dustproof rings (303) is provided with an ash guiding groove (304).
2. The wear-resistant piece for the rear door hanger of the muck truck carriage as claimed in claim 1, wherein the tail part of the middle pin shaft (1) is provided with a connecting stud (101), the connecting stud (101) is in threaded connection with the fixing nut (2), the middle part of the connecting stud (101) is penetrated with a tail limiting bolt (102), and the head end and the tail end of the tail limiting bolt (102) are both in threaded connection with an outer nut (103).
3. The wear-resistant piece for the rear door hanger of the muck truck carriage as claimed in claim 1, wherein the inner rotary column (302) is in rotary contact with the middle part of the middle pin shaft (1), the inner rotary column (302) surrounds the outer side of the middle part of the middle pin shaft (1), and the middle wear-resistant sleeve (3) and the transfer ring (301) surround the outer side of the middle pin shaft (1).
4. The wear-resistant member for a rear door hanger of a muck truck carriage as claimed in claim 1, wherein the top annular array of the fixing nut (2) is provided with upper projections (201), and the upper projections (201) are arranged at intervals.
5. A rear door hanger wear part for a muck truck as claimed in claim 2, wherein the outer nut (103) is located at the interval of the upper projection (201), and the outer side of the outer nut (103) is slidably attached to the side of the upper projection (201).
6. The wear-resistant member for a rear door hanger of a muck truck as claimed in claim 1, wherein the dust guiding groove (304) is formed by gradually reducing the width and depth of the outer side of the outer dust-proof ring (303) to the inner side of the outer dust-proof ring (303).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321635444.3U CN219931928U (en) | 2023-06-27 | 2023-06-27 | Wear-resisting piece of rear door hanger of muck truck carriage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321635444.3U CN219931928U (en) | 2023-06-27 | 2023-06-27 | Wear-resisting piece of rear door hanger of muck truck carriage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219931928U true CN219931928U (en) | 2023-10-31 |
Family
ID=88501467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321635444.3U Active CN219931928U (en) | 2023-06-27 | 2023-06-27 | Wear-resisting piece of rear door hanger of muck truck carriage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219931928U (en) |
-
2023
- 2023-06-27 CN CN202321635444.3U patent/CN219931928U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN219931928U (en) | Wear-resisting piece of rear door hanger of muck truck carriage | |
| CN203018138U (en) | Bugle-shaped sleeve for grinding roller of vertical roller mill | |
| CN208149436U (en) | A kind of engineering truck center articulated structure | |
| CN216638692U (en) | Rail gnawing prevention device of crane running mechanism | |
| CN210062594U (en) | Automobile auxiliary wall peptide | |
| CN208651615U (en) | Medium-speed pulverizer lower frame sealing device | |
| CN202646655U (en) | Connection structure of planet shaft for preventing oil leakage of bulldozer transmission device | |
| CN218437279U (en) | Guard plate device, crawler travel device, and working machine | |
| CN219013158U (en) | Scraper hinge structure | |
| CN212268636U (en) | Strong connecting device for fixing roller shaft | |
| CN216706542U (en) | Conveyer middle part groove maintenance roll-over table | |
| CN206143828U (en) | Power shovel connecting piece | |
| CN215313028U (en) | Scraper structure for coal mill | |
| CN215389880U (en) | Front and rear frame hinge mechanism of mobile crushing trolley | |
| CN215853295U (en) | Steel billet conveying roller device | |
| CN217292151U (en) | Oil seal mounting device for high-speed stirring equipment | |
| CN217176696U (en) | Vehicle swinging device | |
| WO2013097080A1 (en) | Mining shovel loader and revolving-and-rolling support device therefor | |
| CN215108924U (en) | Transition device for prolonging service life of scraper conveyor | |
| CN217234386U (en) | Sealing device of ore feeder of ball mill | |
| CN204530603U (en) | Doublely take turns the snow removing machine that opens ice | |
| CN212470146U (en) | Abrasion-proof cast aluminum casing of embedded steel rail of integrated spot welding machine | |
| CN108661654B (en) | Spherical hinge sealing emergency repair device with swing function for shield machine | |
| CN218148570U (en) | Upper bushing of excavator bucket rod | |
| CN220743209U (en) | Thrust wheel not easy to derail |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |