CN214698581U - Hydraulic cylinder assembly of double-stroke hydraulic piston rod - Google Patents
Hydraulic cylinder assembly of double-stroke hydraulic piston rod Download PDFInfo
- Publication number
- CN214698581U CN214698581U CN202120514622.1U CN202120514622U CN214698581U CN 214698581 U CN214698581 U CN 214698581U CN 202120514622 U CN202120514622 U CN 202120514622U CN 214698581 U CN214698581 U CN 214698581U
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- China
- Prior art keywords
- hydraulic cylinder
- piston rod
- bearing bush
- oil
- tile
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- 230000008878 coupling Effects 0.000 claims abstract description 9
- 238000010168 coupling process Methods 0.000 claims abstract description 9
- 238000005859 coupling reaction Methods 0.000 claims abstract description 9
- 238000007789 sealing Methods 0.000 claims description 10
- 239000003921 oil Substances 0.000 abstract description 44
- 230000002349 favourable effect Effects 0.000 abstract description 11
- 230000009286 beneficial effect Effects 0.000 abstract description 7
- 238000009434 installation Methods 0.000 abstract description 7
- 239000010687 lubricating oil Substances 0.000 abstract description 6
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 229910000906 Bronze Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000010974 bronze Substances 0.000 description 1
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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Abstract
The utility model discloses a pneumatic cylinder subassembly of double-stroke hydraulic piston pole, including pneumatic cylinder and oil storage cylinder, pneumatic cylinder inner chamber rigid coupling oil storage cylinder, bottom rigid coupling bottom valve in the oil storage cylinder, bottom valve top surface movable contact piston, piston lateral wall sliding connection oil storage cylinder inner wall, piston top rigid coupling piston rod. Compared with the prior art, the beneficial effects of the utility model are that: the bearing bush of the utility model can realize rapid positioning and installation, and is beneficial to rapid disassembly, assembly, maintenance and replacement of the bearing bush; the utility model discloses an when upper bearing shell and lower bearing shell splice together, skew can not take place for two sections oil grooves wherein, and the oil groove can form the ring channel, is favorable to lubricating oil evenly distributed. Furthermore the utility model discloses at the back rigid coupling collar of oil groove, not only be favorable to installing the axle bush on tile lid and tile seat rapidly, still be favorable to preventing oil groove slot part because of weak breaking occur, the life of guarantee axle bush.
Description
Technical Field
The utility model relates to a pneumatic cylinder equipment technical field specifically is a pneumatic cylinder subassembly of double-stroke hydraulic piston pole.
Background
A hydraulic cylinder is a hydraulic actuator that converts hydraulic energy into mechanical energy and performs linear reciprocating motion (or oscillating motion), and a bearing bush is one of indispensable components. The bearing bush is the part of the sliding bearing contacted with the shaft neck, is in the shape of a tile-shaped semi-cylindrical surface, is very smooth, is generally made of wear-resistant materials such as bronze, antifriction alloy and the like, and can be made of wood, engineering plastics or rubber under special conditions. The bearing shell is divided into a single-piece type and a split type, and the single-piece type bearing shell is generally called a shaft sleeve. The integral bearing bush has two types of oil grooves and oil grooves. The bearing bush and the shaft neck adopt clearance fit and generally do not rotate along with the shaft. The existing split bearing bush can not be spliced generally, two oil grooves can not be positioned on the same circle well when the bearing bush is installed again, so that the lubricating oil is not uniformly distributed, a positioning lip of the outer side wall of the existing bearing bush is formed by stamping, a groove is formed in the inner wall of the bearing bush, the oil film of the bearing bush is damaged by the groove, and the distribution of the thickness of the oil film is influenced. Therefore, the development of a bearing bush which is convenient to mount is urgently needed.
To this end we propose a hydraulic cylinder assembly of a double-stroke hydraulic piston rod to solve the above problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a pneumatic cylinder subassembly of double-stroke hydraulic piston pole 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 hydraulic cylinder assembly of a double-stroke hydraulic piston rod comprises a hydraulic cylinder and an oil storage cylinder, wherein the inner cavity of the hydraulic cylinder is fixedly connected with the oil storage cylinder, the bottom part in the oil storage cylinder is fixedly connected with a bottom valve, the top surface of the bottom valve is movably contacted with a piston, the side wall of the piston is slidably connected with the inner wall of the oil storage cylinder, the top of the piston is fixedly connected with a piston rod, the middle part of the piston rod is slidably connected with an inner ring of a sealing plug, the bottom surface of the sealing plug is connected with the top surface of the hydraulic cylinder through a bolt, the top end of the piston rod is fixedly connected with the top in a shell, the inner wall of the shell is slidably connected with the outer wall of the hydraulic cylinder, and the top end of the shell is fixedly connected with a connecting ring;
the bottom end of the hydraulic cylinder is fixedly connected with a fixing lug, the bottom of the fixing lug is fixedly connected with a tile cover, the inner side of the tile cover is slidably clamped with an upper bearing bush, two ends of the upper bearing bush are connected with lower bearing bushes through bolts, the bottom surface of the lower bearing bush is slidably clamped with a tile seat, and two sides of the top surface of the tile seat are connected with the tile cover through bolts; the bearing comprises an upper bearing bush, a lower bearing bush, an oil groove, an oil hole, an installation ring, alignment holes, alignment block top portions and alignment block bottom surfaces, wherein the inner sides of the upper bearing bush and the lower bearing bush are respectively provided with the oil groove, the middle part of an oil groove cavity is provided with the oil hole, the outer sides of the upper bearing bush and the lower bearing bush are fixedly connected with the installation ring, the top surfaces of the two ends of the installation ring are provided with the alignment holes, the alignment hole cavity is inserted with the alignment block in a sliding mode, and the top portions of the alignment block are fixedly connected with the bottom surfaces of the two ends of the installation ring.
Preferably, the bottom of the alignment hole is provided with a threaded hole, the threaded hole is in threaded connection with the bottom end of the bolt, and the middle part and the top part of the bolt are in threaded connection with the middle part and the upper side of the alignment block on the side wall of the mounting ring.
Preferably, the bottoms of the two sides of the upper mounting ring are provided with concave tables, the middle of concave cavities of the concave tables is provided with connecting cavities, the bottoms of the connecting cavities are communicated with the center of the aligning block, and the walls of the connecting cavities are in threaded connection with bolts.
Preferably, the middle part of the tile seat cavity is provided with a clamping groove, the clamping groove is connected with the mounting ring in a sliding and clamping manner, and the clamping groove and the mounting ring are both in a semicircular ring shape.
Preferably, the bottom surfaces of the two ends of the tile cover and the top surfaces of the two ends of the tile seat are oppositely provided with connecting holes, and the hole cavities of the connecting holes are in threaded connection with connecting bolts.
Preferably, threaded cavities are formed in the two ends of the sealing plug and at the boss on the inner wall of the top of the hydraulic cylinder in an aligned mode, and the threaded cavity is in threaded connection with the butterfly bolt.
Compared with the prior art, the beneficial effects of the utility model are that: the bearing bush of the utility model can realize rapid positioning and installation, and is beneficial to rapid disassembly, assembly, maintenance and replacement of the bearing bush; the utility model discloses an when upper bearing shell and lower bearing shell splice together, skew can not take place for two sections oil grooves wherein, and the oil groove can form the ring channel, is favorable to lubricating oil evenly distributed. Furthermore the utility model discloses at the back rigid coupling collar of oil groove, not only be favorable to installing the axle bush on tile lid and tile seat rapidly, still be favorable to preventing oil groove slot part because of weak breaking occur, the life of guarantee axle bush.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of an upper bearing bush and a lower bearing bush of the present invention;
fig. 3 is an enlarged structural diagram of a portion a in fig. 2 according to the present invention.
Fig. 4 is the partial section schematic view of the alignment hole and the threaded hole of the present invention.
In the figure: the hydraulic cylinder 1, the oil storage cylinder 2, the bottom valve 3, the piston 4, the piston rod 5, the sealing plug 6, the shell 7, the connecting ring 8, the fixing lug 9, the threaded cavity 10, the butterfly bolt 100, the tile cover 11, the upper bearing bush 12, the lower bearing bush 13, the tile seat 14, the oil groove 15, the oil hole 16, the mounting ring 17, the alignment hole 18, the threaded hole 180, the alignment block 19, the bolt 190, the concave table 20, the connecting cavity 21, the connecting hole 22, the connecting bolt 23 and the clamping groove 24.
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. 1-4, the present invention provides a technical solution: a hydraulic cylinder component of a double-stroke hydraulic piston rod comprises a hydraulic cylinder 1 and an oil storage cylinder 2, wherein an inner cavity of the hydraulic cylinder 1 is fixedly connected with the oil storage cylinder 2, the bottom of the inner cylinder of the oil storage cylinder 2 is fixedly connected with a bottom valve 3, the top surface of the bottom valve 3 is movably contacted with a piston 4, the side wall of the piston 4 is in sliding connection with the inner wall of the oil storage cylinder 2, the top of the piston 4 is fixedly connected with a piston rod 5, the middle part of the piston rod 5 is in sliding connection with the inner ring of a sealing plug 6, the bottom surface of the sealing plug 6 is in bolted connection with the top surface of the hydraulic cylinder 1, the top end of the piston rod 5 is fixedly connected with the inner top of a shell 7, the inner wall of the shell 7 is in sliding connection with the outer wall of the hydraulic cylinder 1, and the top end of the shell 7 is fixedly connected with a connecting ring 8;
the bottom end of the hydraulic cylinder 1 is fixedly connected with a fixing lug 9, the bottom of the fixing lug 9 is fixedly connected with a tile cover 11, the inner side of the tile cover 11 is slidably clamped with an upper bearing bush 12, two ends of the upper bearing bush 12 are connected with a lower bearing bush 13 through bolts, the bottom surface of the lower bearing bush 13 is slidably clamped with a tile seat 14, and two sides of the top surface of the tile seat 14 are connected with the tile cover 11 through bolts; the inner sides of the upper bearing bush 12 and the lower bearing bush 13 are both provided with oil grooves 15, the middle part of a groove cavity of each oil groove 15 is provided with an oil hole 16, the outer sides of the upper bearing bush 12 and the lower bearing bush 13 are both fixedly connected with mounting rings 17, the top surfaces of the two ends of the lower mounting ring 17 are provided with alignment holes 18, the hole cavities of the alignment holes 18 are slidably inserted into alignment blocks 19, and the top parts of the alignment blocks 19 are fixedly connected with the bottom surfaces of the two ends of the upper mounting ring 17. When the bearing bush needs to be installed, the alignment block 19 on the upper bearing bush 12 can be quickly positioned and inserted into the alignment hole 18, so that the upper bearing bush and the lower bearing bush can be quickly spliced, and the upper bearing bush and the lower bearing bush can be connected by tightening the bolt 190; simultaneously under the cooperation limiting displacement of counterpoint piece 19 and counterpoint hole 18, can prevent oil groove 15 skew for oil groove 15 can form the ring channel, is favorable to lubricating oil evenly distributed.
The bottom of the 18 alignment holes is provided with a threaded hole 180, the threaded hole 180 is in threaded connection with the bottom end of a bolt 190, and the middle part and the top part of the bolt 190 are in threaded connection with the middle part of the alignment block 19 and the side wall of the upper mounting ring 17. The connection of the upper and lower bearing bushes can be realized by tightening the bolts 190.
The bottoms of the two sides of the upper mounting ring 17 are provided with concave platforms 20, the middle of the concave cavity of each concave platform 20 is provided with a connecting cavity 21, the bottom of each connecting cavity 21 is communicated with the center of the corresponding alignment block 19, and the wall of each connecting cavity 21 is in threaded connection with a bolt 190. The connection of the upper and lower bearing bushes can be realized by tightening the bolts 190.
A clamping groove 24 is formed in the middle of the cavity of the tile seat 14, the clamping groove 24 is clamped with the mounting ring 17 in a sliding mode, and the clamping groove 24 and the mounting ring 17 are both in a semicircular ring shape. The mounting ring 17 can slide into the slot 24 quickly, which is beneficial for the bearing bush to be mounted on the bush seat 14 quickly.
The bottom surfaces of the two ends of the tile cover 11 and the top surfaces of the two ends of the tile seat 14 are oppositely provided with connecting holes 22, and the hole cavities of the connecting holes 22 are in threaded connection with connecting bolts 23. The connection of the tile cover 11 and the tile seat 14 can be realized by aligning and splicing the tile cover 11 and screwing the connecting bolt 23.
Threaded cavities 10 are formed in the two ends of the sealing plug 6 and the boss of the inner wall of the top of the hydraulic cylinder 1 in an aligned mode, and the cavity parts of the threaded cavities 10 are in threaded connection with the butterfly-shaped bolts 100.
The working principle is as follows: the bearing bush of the utility model can realize rapid positioning and installation, and is beneficial to rapid disassembly, assembly, maintenance and replacement of the bearing bush; the utility model discloses an upper bearing shell 12 and lower bearing shell 13 splice together, two sections oil grooves 15 wherein can not take place the skew, and oil groove 15 can form the ring channel, is favorable to lubricating oil evenly distributed. Furthermore the utility model discloses at the back rigid coupling collar 17 of oil groove 15, not only be favorable to installing the axle bush on tile lid 11 and tile seat 14 rapidly, still be favorable to preventing oil groove 15 slot part because of weak fracture, the life of guarantee axle bush.
When the bearing bush needs to be overhauled and disassembled, the connecting bolt 23 is unscrewed, the bearing bush cover 11 and the bearing bush seat 14 can be separated, and the bearing bush can be removed; the bolt 190 is unscrewed, and the upper bearing bush 12 and the lower bearing bush 13 can be separated, so that the bearing bushes can be overhauled and replaced. When the bearing bush needs to be installed, the alignment block 19 on the upper bearing bush 12 can be quickly positioned and inserted into the alignment hole 18, so that the upper bearing bush and the lower bearing bush can be quickly spliced, and the upper bearing bush and the lower bearing bush can be connected by tightening the bolt 190; simultaneously under the cooperation limiting displacement of counterpoint piece 19 and counterpoint hole 18, can prevent oil groove 15 skew for oil groove 15 can form the ring channel, is favorable to lubricating oil evenly distributed. Then, the mounting ring 17 can slide into the slot 24 quickly, which is beneficial to the quick mounting of the bearing bush on the bush seat 14, and the connection between the bush cover 11 and the bush seat 14 can be realized by aligning and splicing the bush cover 11 and screwing the connecting bolt 23.
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 (6)
1. The utility model provides a hydraulic cylinder subassembly of double-stroke hydraulic piston pole, includes pneumatic cylinder (1) and oil storage cylinder (2), pneumatic cylinder (1) inner chamber rigid coupling oil storage cylinder (2), its characterized in that: the bottom valve (3) is fixedly connected to the inner bottom of the oil storage cylinder (2), the top surface of the bottom valve (3) is movably contacted with a piston (4), the side wall of the piston (4) is in sliding connection with the inner wall of the oil storage cylinder (2), the top of the piston (4) is fixedly connected with a piston rod (5), the middle of the piston rod (5) is in sliding connection with the inner ring of a sealing plug (6), the bottom surface of the sealing plug (6) is in bolted connection with the top surface of the hydraulic cylinder (1), the top end of the piston rod (5) is fixedly connected with the inner top of a shell (7), the inner wall of the shell (7) is in sliding connection with the outer wall of the hydraulic cylinder (1), and the top end of the shell (7) is fixedly connected with a connecting ring (8);
the bottom end of the hydraulic cylinder (1) is fixedly connected with a fixing lug (9), the bottom of the fixing lug (9) is fixedly connected with a tile cover (11), the inner side of the tile cover (11) is slidably clamped with an upper bearing bush (12), two ends of the upper bearing bush (12) are connected with a lower bearing bush (13) through bolts, the bottom surface of the lower bearing bush (13) is slidably clamped with a tile seat (14), and two sides of the top surface of the tile seat (14) are connected with the tile cover (11) through bolts; go up axle bush (12) with oil groove (15) have all been opened to lower axle bush (13) inboard, oil groove (15) groove cavity middle part is opened oilhole (16), go up axle bush (12) with equal rigid coupling collar (17) in lower axle bush (13) outside, below collar (17) both ends top surface is opened has counterpoint hole (18), counterpoint hole (18) vestibule slip grafting counterpoint piece (19), counterpoint piece (19) top rigid coupling top collar (17) both ends bottom surface.
2. The hydraulic cylinder assembly of a two-stroke hydraulic piston rod of claim 1, wherein: the bottom of the alignment hole (18) is provided with a threaded hole (180), the hole cavity of the threaded hole (180) is in threaded connection with the bottom end of a bolt (190), and the middle part and the top part of the bolt (190) are in threaded connection with the middle part and the upper side of the alignment block (19) on the side wall of the mounting ring (17).
3. The hydraulic cylinder assembly of a two-stroke hydraulic piston rod of claim 1, wherein: the upper side, the bottoms of the two sides of the mounting ring (17) are provided with concave tables (20), the middle parts of the concave cavities of the concave tables (20) are provided with connecting cavities (21), the bottoms of the connecting cavities (21) are communicated with the center of the aligning block (19), and the wall of each connecting cavity (21) is in threaded connection with a bolt (190).
4. The hydraulic cylinder assembly of a two-stroke hydraulic piston rod of claim 1, wherein: the middle part of the cavity of the tile seat (14) is provided with a clamping groove (24), the clamping groove (24) is connected with the mounting ring (17) in a sliding and clamping mode, and the clamping groove (24) and the mounting ring (17) are both in a semicircular ring shape.
5. The hydraulic cylinder assembly of a two-stroke hydraulic piston rod of claim 1, wherein: the bottom surfaces of two ends of the tile cover (11) and the top surfaces of two ends of the tile seat (14) are provided with connecting holes (22) in an aligning way, and the hole cavity of each connecting hole (22) is in threaded connection with a connecting bolt (23).
6. The hydraulic cylinder assembly of a two-stroke hydraulic piston rod of claim 1, wherein: threaded cavities (10) are formed in the two ends of the sealing plug (6) and the boss of the inner wall of the top of the hydraulic cylinder (1) in an alignment mode, and the cavity parts of the threaded cavities (10) are in threaded connection with butterfly bolts (100).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120514622.1U CN214698581U (en) | 2021-03-11 | 2021-03-11 | Hydraulic cylinder assembly of double-stroke hydraulic piston rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120514622.1U CN214698581U (en) | 2021-03-11 | 2021-03-11 | Hydraulic cylinder assembly of double-stroke hydraulic piston rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214698581U true CN214698581U (en) | 2021-11-12 |
Family
ID=78570849
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120514622.1U Expired - Fee Related CN214698581U (en) | 2021-03-11 | 2021-03-11 | Hydraulic cylinder assembly of double-stroke hydraulic piston rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214698581U (en) |
-
2021
- 2021-03-11 CN CN202120514622.1U patent/CN214698581U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211112 |