CN208858661U - A kind of lifting special piston cylinder - Google Patents
A kind of lifting special piston cylinder Download PDFInfo
- Publication number
- CN208858661U CN208858661U CN201821493162.3U CN201821493162U CN208858661U CN 208858661 U CN208858661 U CN 208858661U CN 201821493162 U CN201821493162 U CN 201821493162U CN 208858661 U CN208858661 U CN 208858661U
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- China
- Prior art keywords
- piston
- cylinder barrel
- hole
- column
- assembly
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Abstract
Include housing assembly the utility model discloses a kind of lifting special piston cylinder, piston column assembly is installed inside housing assembly, is symmetrically installed with the first hanging hook assembly at left and right sides of housing assembly, housing assembly lower end is equipped with the second hanging hook assembly.Buffer gear is installed in the cylinder barrel of the utility model, buffer gear can play buffer protection function to piston boit and cylinder barrel, piston boit is detachably connected with piston, facilitate the replacement and repair of piston when Remedy for Piston Damage, connector is detachably connected with piston boit, and it is installed between connector and piston boit simple and convenient, connector can be replaced as the case may be in use, first suspension hook can sling object from both ends, the first horizontal quarter butt on first suspension hook can prevent object from skidding off from one end of the first suspension hook, reduce security risk, second suspension hook is detachably connected with lower cover, and second suspension hook installation it is simple, it can select as the case may be in practical hoisting process with or without the use of the second suspension hook.
Description
Technical field
The utility model belongs to piston cylinder field more particularly to a kind of lifting special piston cylinder.
Background technique
Piston cylinder is a kind of structure type of hydraulic cylinder, and input is pressure and flow, and output is thrust and speed.Mesh
Before, the piston rod of piston cylinder and piston are mainly fixedly connected by welding together, this result in piston rod and piston cylinder it
Between installation and removal trouble need to replace whole part and when piston cylinder or piston rod one of component damage
Fall, this just will increase the use cost of user, and be welded and fixed it is often more demanding to welding procedure, if welding it is not close enough
, there is oil leakage phenomenon, influences the normal use in later period, this can all bring loss to user in envelope.Piston cylinder is widely used in hanging
In dress field, but existing piston cylinder and the connection mounting means of lifting are more single, limit piston cylinder in lifting work
Use scope.
Utility model content
The purpose of the utility model is to overcome problem above of the existing technology, provide a kind of lifting special piston
Cylinder expands piston cylinder use scope in lifting work.
To realize above-mentioned technical purpose and the technique effect, the invention is realized by the following technical scheme:
A kind of lifting special piston cylinder, including housing assembly are equipped with piston column assembly, housing assembly inside housing assembly
The left and right sides is symmetrically installed with the first hanging hook assembly, and housing assembly lower end is equipped with the second hanging hook assembly;
The housing assembly includes cylinder barrel, and cylinder barrel upper end is equipped with upper end cover, solid by screw between upper end cover and cylinder barrel
Fixed connection, cylinder barrel lower end is equipped with lower cover, is fixedly connected between lower cover and cylinder barrel by screw;
The piston column assembly includes piston boit, and piston boit periphery lower end is equipped with baffle, is equipped with internal screw thread above baffle
Baffle ring, internal screw thread baffle ring are connected through a screw thread with piston boit, are equipped with piston between baffle and internal screw thread baffle ring, piston with
Baffle upper end is in close contact, and piston upper end and internal screw thread baffle ring lower end are in close contact, and are equipped with wear-resisting ring in the middle part of piston outer periphery, living
It is symmetrically installed with exterior seal ring week centered on wear-resisting ring beyond the Great Wall, wear-resisting ring, exterior seal ring are in close contact with inner wall of cylinder, living
Inner seal ring is installed between plug and piston boit;
Dustband, lip-type packing, O-ring seal are sequentially installed between the upper end cover and piston boit from top to bottom,
Cylinder barrel inner bottom surface is equipped with buffer gear, and buffer gear is located at immediately below piston boit, and buffer gear lower end, which is provided with, abandons hole
Check valve;
The buffer gear includes buffer spring, and cylinder barrel inner bottom surface is provided with circle corresponding with buffer spring straight down
Mounting groove, buffer spring lower end are fixedly connected on inside circular mounting slot, and cylinder barrel inner bottom surface upper end is fixedly connected with clamping rings,
Buffer spring upper end is connected with buffering plectane, and buffering plectane is slidably connected with clamping rings inner wall, clamping rings and buffering plectane
Between damping seal ring is installed;
The piston boit upper end is provided with internal thread hole straight down, and internal thread hole sidewall horizontal, which runs through, is provided with the first locking
Hole is equipped with connector in internal thread hole, and connector includes the external thread column being threadedly coupled with internal thread hole, external thread column upper end
It is connected with connector, level sequentially passes through the first locking hole, the second lock through the second locking hole, clamping screw is provided on external thread column
Tieholen is threadedly coupled with locking nut;
First hanging hook assembly includes the hook column for being symmetrically welded at cylinder barrel outer wall two sides, and hook column outer end is equipped with first and hangs
Hook, hook column upper end are equipped with connecting upright pole straight up, and connecting upright pole upper end is connected with the arc fixed plate of horizontal distribution, arc
Fixed plate inner end is weldingly connected with cylinder barrel outer wall;
Second hanging hook assembly includes U-shaped board, and U-shaped board top and bottom lid is fixedly linked, water in U-shaped board vertical plates on both sides
Flat through the first connecting hole is provided with, U-shaped board bottom is run through vertically is provided with through-hole, and U-shaped board lower end is connected with bottom dog, and bottom dog includes perpendicular
The connecting column being directly distributed, for connecting column upper end level through being provided with the second connecting hole, connecting column lower end is equipped with the second suspension hook, bottom dog with
U-shaped board is fixedly connected by fixing piece, and fixing piece includes fixed bolt and fixture nut, and fixed bolt sequentially passes through the first connection
Hole, the second connecting hole are threadedly coupled with fixture nut.
Further, the upper end cover upper center runs through vertically is provided with perforation, and piston boit upper end passes through perforation and extend into
Above upper end cover.
Further, cylinder barrel periphery side lower end is equipped with stretching hydraulic fluid port, and cylinder barrel periphery side upper end is equipped with back
Contracting hydraulic fluid port.
Further, the clamping rings and circular mounting slot are concentric, and the diameter of clamping rings is equal to circular mounting slot
Diameter.
Further, the buffering plectane diameter is equal with piston column diameter.
Further, the check valve that the band abandons hole is communicated with the outside world across lower cover, and band is abandoned on the check valve in hole
End is communicated with circular mounting slot.
Further, first suspension hook inner end is equipped with the first horizontal quarter butt in horizontal direction, and the second suspension hook inner end is equipped with water
Put down the second inside horizontal quarter butt.
Further, the connecting column passes through through-hole and extend into the U-type groove of U-shaped board.
The beneficial effect of the utility model is:
1, buffer gear is installed, buffer gear can play buffer protection to piston boit and cylinder barrel in the cylinder barrel of the utility model
Effect, extends service life of the invention.
2, piston boit and piston are detachably connected in the utility model, facilitate the replacement and repair of piston when Remedy for Piston Damage,
Reduce the use cost of user.
3, the connector and piston boit of the utility model are detachably connected, and installed between connector and piston boit it is simple and convenient,
Connector can be replaced as the case may be in use, realize the connection of piston boit and different lifting devices.
4, the first suspension hook in the utility model can sling object from both ends, and the first horizontal quarter butt on the first suspension hook can prevent
Object is skidded off from one end of the first suspension hook, reduces security risk.
The second suspension hook in the utility model is detachably connected with lower cover, and the installation of the second suspension hook is simple, is actually lifting
It can select as the case may be in journey with or without the use of the second suspension hook, it only need to be by it from U-shaped board when not using the second suspension hook
In remove, it is easy to operate.
Detailed description of the invention
Fig. 1 is the utility model structure diagram;
Fig. 2 is housing assembly structural schematic diagram;
Fig. 3 is the utility model section view;
Fig. 4 is the utility model cutaway view Amplified image;
Fig. 5 is that clamping screw with locking nut connect explosive view;
Fig. 6 is cylinder barrel and hook column connection schematic diagram;
Fig. 7 is the second hanging hook assembly structural schematic diagram;
Fig. 8 is the second hanging hook assembly explosive view.
Specific embodiment
It is illustrated below in conjunction with preferred embodiment of the attached drawing to the utility model, it should be understood that described herein excellent
It selects embodiment to be only used for describing and explaining the present invention, is not used to limit the utility model.
A kind of lifting special piston cylinder as shown in Figure 1, including housing assembly 1 are equipped with piston boit inside housing assembly 1
Component 2 is symmetrically installed with the first hanging hook assembly 3 at left and right sides of housing assembly 1, and 1 lower end of housing assembly is equipped with the second hook groups
Part 4.
As shown in Fig. 2, housing assembly 1 includes cylinder barrel 11,11 upper end of cylinder barrel is equipped with upper end cover 12, in 12 upper end of upper end cover
Portion is run through vertically is provided with perforation 124, is fixedly connected between upper end cover 12 and cylinder barrel 11 by screw 13, the installation of 11 lower end of cylinder barrel
There is lower cover 14, is fixedly connected between lower cover 14 and cylinder barrel 11 by screw 13,11 periphery side lower end of cylinder barrel, which is equipped with, stretches
Oil outlet 17,11 periphery side upper end of cylinder barrel are equipped with retraction hydraulic fluid port 18.
As shown in figure 3, piston column assembly 2 includes piston boit 21,21 upper end of piston boit passes through perforation 124 and extend into upper end cover
12 tops, 21 periphery lower end of piston boit are equipped with baffle 211, are equipped with internal screw thread baffle ring 212, internal screw thread baffle ring above baffle 211
212 are connected through a screw thread with piston boit 21, and piston 22, piston 22 and piston are equipped between baffle 211 and internal screw thread baffle ring 212
Column 21 is detachably connected by screw thread, and piston 22 and piston boit 21 are detachably connected the replacement and maintenance that can facilitate piston, living
It fills in 22 lower ends and 211 upper end of baffle is in close contact, 22 upper end of piston and 212 lower end of internal screw thread baffle ring are in close contact, baffle 211
Piston 22 can be fixed on piston boit 21 by the cooperation with internal screw thread baffle ring 212, to prevent piston 22 from moving, it is ensured that
The stability of structure during the work time;Wear-resisting ring 221 is installed in the middle part of 22 periphery of piston, wear-resisting ring 221 plays piston 22
Protective effect is able to extend the service life of piston 22;Periphery is symmetrically installed with exterior seal ring 222 centered on wear-resisting ring 221,
Wear-resisting ring 221, exterior seal ring 222 are in close contact with 11 inner wall of cylinder barrel, and interior sealing is equipped between piston 22 and piston boit 21
Circle 223, can enhance the leakproofness of piston 22 by the cooperation of exterior seal ring 222 and inner seal ring 223, to guarantee piston
22 working effect.
As shown in figure 3, dustband 121, lip packing are sequentially installed between upper end cover 12 and piston boit 21 from top to bottom
122, O-ring seal 123 are enclosed, dustband 121, lip-type packing 122, the cooperation of O-ring seal 123 can increase cylinder barrel 11
Internal leakproofness;11 inner bottom surface of cylinder barrel is equipped with buffer gear 15, and buffer gear 15 is located at immediately below piston boit 21, buffer
15 lower end of structure is provided with the check valve 16 for abandoning hole, and the check valve 16 that band abandons hole passes through lower cover 14 and communicates with the outside world.
As shown in figure 4, buffer gear 15 includes buffer spring 151,11 inner bottom surface of cylinder barrel is provided with straight down and buffering elastic
The corresponding circular mounting slot 111 of spring 151,151 lower end of buffer spring are fixedly connected on inside circular mounting slot 111, cylinder barrel 11
Inner bottom surface upper end is fixedly connected with clamping rings 152, and clamping rings 152 and circular mounting slot 111 are concentric, clamping rings 152
Diameter be equal to the diameter of circular mounting slot 111,151 upper end of buffer spring is connected with buffering plectane 153, and buffering plectane 153 is straight
Diameter is equal with 21 diameter of piston boit, and buffering plectane 153 is slidably connected with 152 inner wall of clamping rings, and clamping rings 152 and buffering are justified
Damping seal ring 154 is installed, damping seal ring 154 can prevent hydraulic oil from penetrating into circular mounting slot 111 between plate 153
In;Piston boit 21 pumps in actual operation, and piston boit 21 moves to 11 bottom end of bottom Shi Huiyu cylinder barrel
It collides, impact is generated to piston boit 21 and cylinder barrel 11, after buffer gear 15 is installed, when piston boit 21 moves to bottom
It can be contacted with the buffering plectane 153 in buffer gear 15, buffer gear 15 plays buffering to piston boit 21 and cylinder barrel 11 at this time
Protective effect, 16 upper end of check valve that band abandons hole are communicated with circular mounting slot 111, and the check valve 16 that band abandons hole can be by circle
The gas of shape mounting groove 111 is discharged, and guarantees the buffering effect of buffer gear 15.
As shown in figure 5,21 upper end of piston boit is provided with internal thread hole 213 straight down, 213 sidewall horizontal of internal thread hole runs through
It is provided with the first locking hole 214, connector 23 is installed in internal thread hole 213, fitting 23 includes and 213 spiral shell of internal thread hole repeatedly
The external thread column 231 of line connection, 231 upper end of external thread column are connected with connector 232, the structure of connector 232 with no restrictions, connector
232 can be Earrings type or screw-type structure, and level, which runs through, on external thread column 231 is provided with the second locking hole 2311, locking screw
Bolt 5 sequentially passes through the first locking hole 214, the second locking hole 2311 is threadedly coupled with locking nut 6, clamping screw 5 and locking screw
It is more stable that the cooperation of mother 6 can be such that connector 23 installs with piston boit 21, prevents piston boit 21 from falling off with piston boit 21,
Reduce security risk;Connector 23 is detachably connected with piston boit 21, and simple side is installed between connector 23 and piston boit 21
Just, connector 23 can be replaced as the case may be in use, realizes piston boit 21 and different lifting devices
Connection.
As shown in fig. 6, the first hanging hook assembly 3 includes being symmetrically welded at the hook columns 31 of 11 outer wall two sides of cylinder barrel, outside hook column 31
End is equipped with the first suspension hook 32, and 32 inner end of the first suspension hook is equipped with the first horizontal quarter butt 33 in horizontal direction, and 31 upper end of hook column is equipped with vertical
Upward connecting upright pole 34,34 upper end of connecting upright pole are connected with the arc fixed plate 35 of horizontal distribution, 35 inner end of arc fixed plate
It is weldingly connected with 11 outer wall of cylinder barrel;First suspension hook 32 can sling object from both ends, the first horizontal quarter butt 33 can prevent object from
One end of first suspension hook 32 skids off, and increases the stability in hoisting process.
As shown in Figure 7 and Figure 8, the second hanging hook assembly 4 includes U-shaped board 41,41 top and bottom lid of U-shaped board, 14 stationary phase
Even, the check valve 16 that band abandons hole is communicated with the U-type groove of U-shaped board 41, and level, which runs through, in 41 vertical plates on both sides of U-shaped board is provided with the first company
Hole 411 is connect, 41 bottom of U-shaped board is run through vertically is provided with through-hole, and 41 lower end of U-shaped board is connected with bottom dog 42, and bottom dog 42 includes vertical point
The connecting column 421 of cloth, through the second connecting hole 4211 is provided with, connecting column 421 is extend into 421 upper end level of connecting column across through-hole
In the U-type groove of U-shaped board 41,421 lower end of connecting column is equipped with the second suspension hook 422, and 422 inner end of the second suspension hook is equipped with the in horizontal direction
Two horizontal quarter butts 423, bottom dog 42 are fixedly connected with U-shaped board 41 by fixing piece 43, and fixing piece 43 includes fixed bolt 431 and fixes
Nut 432, fixed bolt 431 sequentially passes through the first connecting hole 411, the second connecting hole 4211 is threadedly coupled with fixture nut 432;
Second suspension hook 422 is detachably connected with lower cover 14, and the second suspension hook 422 is installed simply, can root in practical hoisting process
It, only need to be by it from U-shaped board 41 when not using the second suspension hook 422 according to concrete condition selection with or without the use of the second suspension hook 422
It removes.
Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention, it is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic
It is equivalently replaced, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (8)
1. a kind of lifting special piston cylinder, it is characterised in that: including housing assembly (1), be equipped with piston inside housing assembly (1)
Column assembly (2), housing assembly (1) left and right sides are symmetrically installed with the first hanging hook assembly (3), and housing assembly (1) lower end is equipped with
Second hanging hook assembly (4);
The housing assembly (1) includes cylinder barrel (11), and cylinder barrel (11) upper end is equipped with upper end cover (12), upper end cover (12) and cylinder barrel
(11) it is fixedly connected between by screw (13), cylinder barrel (11) lower end is equipped with lower cover (14), lower cover (14) and cylinder barrel
(11) it is fixedly connected between by screw (13);
The piston column assembly (2) includes piston boit (21), and piston boit (21) periphery lower end is equipped with baffle (211), baffle (211)
Top is equipped with internal screw thread baffle ring (212), and internal screw thread baffle ring (212) is connected through a screw thread with piston boit (21), baffle (211) with
It is equipped between internal screw thread baffle ring (212) piston (22), piston (22) lower end and baffle (211) upper end are in close contact, piston
(22) upper end and internal screw thread baffle ring (212) lower end are in close contact, and are equipped with wear-resisting ring (221), piston in the middle part of piston (22) periphery
(22) periphery is symmetrically installed with exterior seal ring (222) centered on wear-resisting ring (221), wear-resisting ring (221), exterior seal ring (222)
It is in close contact with cylinder barrel (11) inner wall, inner seal ring (223) is installed between piston (22) and piston boit (21);
It is sequentially installed with dustband (121), lip-type packing from top to bottom between the upper end cover (12) and piston boit (21)
(122), O-ring seal (123), cylinder barrel (11) inner bottom surface are equipped with buffer gear (15), and buffer gear (15) is located at piston boit
(21) immediately below, buffer gear (15) lower end is provided with the check valve (16) for abandoning hole;
The buffer gear (15) includes buffer spring (151), and cylinder barrel (11) inner bottom surface is provided with straight down and buffer spring
(151) corresponding circular mounting slot (111), buffer spring (151) lower end are fixedly connected on circular mounting slot (111) inside,
Cylinder barrel (11) inner bottom surface upper end is fixedly connected with clamping rings (152), and buffer spring (151) upper end is connected with buffering plectane
(153), buffering plectane (153) be slidably connected with clamping rings (152) inner wall, clamping rings (152) with buffer plectane (153) it
Between damping seal ring (154) are installed;Piston boit (21) upper end is provided with internal thread hole (213), internal thread hole straight down
(213) sidewall horizontal is equipped with connector (23), connector in internal thread hole (213) through being provided with the first locking hole (214)
It (23) include the external thread column (231) being threadedly coupled with internal thread hole (213), external thread column (231) upper end is connected with connector
(232), horizontal through being provided with the second locking hole (2311) on external thread column (231), clamping screw (5) sequentially passes through the first locking
Hole (214), the second locking hole (2311) are threadedly coupled with locking nut (6);
First hanging hook assembly (3) includes the hook column (31) for being symmetrically welded at cylinder barrel (11) outer wall two sides, hook column (31) outer end
Equipped with the first suspension hook (32), hook column (31) upper end is equipped with connecting upright pole (34) straight up, the connection of connecting upright pole (34) upper end
There is the arc fixed plate (35) of horizontal distribution, arc fixed plate (35) inner end is weldingly connected with cylinder barrel (11) outer wall;
Second hanging hook assembly (4) includes U-shaped board (41), and U-shaped board (41) top and bottom lid (14) is fixedly linked, U-shaped board
(41) horizontal through being provided with the first connecting hole (411) in vertical plates on both sides, U-shaped board (41) bottom is run through vertically is provided with through-hole, U-shaped board
(41) lower end is connected with bottom dog (42), and bottom dog (42) includes the connecting column (421) being distributed vertically, and connecting column (421) upper end is horizontal
Through being provided with the second connecting hole (4211), connecting column (421) lower end is equipped with the second suspension hook (422), bottom dog (42) and U-shaped board (41)
It is fixedly connected by fixing piece (43), fixing piece (43) includes fixed bolt (431) and fixture nut (432), fixed bolt
(431) the first connecting hole (411) is sequentially passed through, the second connecting hole (4211) is threadedly coupled with fixture nut (432).
2. a kind of lifting special piston cylinder according to claim 1, it is characterised in that: upper end cover (12) upper center is perpendicular
Directly through being provided with perforation (124), piston boit (21) upper end passes through perforation (124) and extend into above upper end cover (12).
3. a kind of lifting special piston cylinder according to claim 1, it is characterised in that: cylinder barrel (11) the periphery side lower end
It is equipped with and stretches out hydraulic fluid port (17), cylinder barrel (11) periphery side upper end is equipped with retraction hydraulic fluid port (18).
4. a kind of lifting special piston cylinder according to claim 1, it is characterised in that: the clamping rings (152) and circle
Mounting groove (111) is concentric, and the diameter of clamping rings (152) is equal to the diameter of circular mounting slot (111).
5. a kind of lifting special piston cylinder according to claim 1, it is characterised in that: buffering plectane (153) diameter with
Piston boit (21) diameter is equal.
6. a kind of lifting special piston cylinder according to claim 1, it is characterised in that: the band abandons the check valve (16) in hole
It is communicated with the outside world across lower cover (14), check valve (16) upper end that band abandons hole is communicated with circular mounting slot (111).
7. a kind of lifting special piston cylinder according to claim 1, it is characterised in that: the first suspension hook (32) inner end is equipped with
The first horizontal quarter butt (33) in horizontal direction, the second suspension hook (422) inner end are equipped with the second horizontal quarter butt (423) in horizontal direction.
8. a kind of lifting special piston cylinder according to claim 1, it is characterised in that: the connecting column (421) passes through through-hole
It extend into the U-type groove of U-shaped board (41).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821493162.3U CN208858661U (en) | 2018-09-13 | 2018-09-13 | A kind of lifting special piston cylinder |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821493162.3U CN208858661U (en) | 2018-09-13 | 2018-09-13 | A kind of lifting special piston cylinder |
Publications (1)
Publication Number | Publication Date |
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CN208858661U true CN208858661U (en) | 2019-05-14 |
Family
ID=66417754
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201821493162.3U Expired - Fee Related CN208858661U (en) | 2018-09-13 | 2018-09-13 | A kind of lifting special piston cylinder |
Country Status (1)
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CN (1) | CN208858661U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108953285A (en) * | 2018-09-30 | 2018-12-07 | 安徽优源液压科技有限公司 | A kind of lifting special piston cylinder |
-
2018
- 2018-09-13 CN CN201821493162.3U patent/CN208858661U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108953285A (en) * | 2018-09-30 | 2018-12-07 | 安徽优源液压科技有限公司 | A kind of lifting special piston cylinder |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190514 Termination date: 20210913 |
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CF01 | Termination of patent right due to non-payment of annual fee |