CN110422723A - Hydraulic self-adapting rolling cage shoe - Google Patents
Hydraulic self-adapting rolling cage shoe Download PDFInfo
- Publication number
- CN110422723A CN110422723A CN201910431876.4A CN201910431876A CN110422723A CN 110422723 A CN110422723 A CN 110422723A CN 201910431876 A CN201910431876 A CN 201910431876A CN 110422723 A CN110422723 A CN 110422723A
- Authority
- CN
- China
- Prior art keywords
- cushion cylinder
- cage shoe
- sebific duct
- rolling cage
- rolling
- 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.)
- Pending
Links
- 238000005096 rolling process Methods 0.000 title claims abstract description 108
- 230000003139 buffering effect Effects 0.000 claims abstract description 10
- 239000012530 fluid Substances 0.000 claims description 36
- 230000001105 regulatory effect Effects 0.000 claims description 17
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 7
- 239000000446 fuel Substances 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 3
- 230000035807 sensation Effects 0.000 claims description 3
- 230000003044 adaptive effect Effects 0.000 claims 1
- 239000000872 buffer Substances 0.000 abstract description 9
- 239000003921 oil Substances 0.000 description 13
- 239000010720 hydraulic oil Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 239000007853 buffer solution Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B17/00—Hoistway equipment
- B66B17/04—Mining-hoist cars or cages
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B7/00—Other common features of elevators
- B66B7/02—Guideways; Guides
- B66B7/04—Riding means, e.g. Shoes, Rollers, between car and guiding means, e.g. rails, ropes
- B66B7/041—Riding means, e.g. Shoes, Rollers, between car and guiding means, e.g. rails, ropes including active attenuation system for shocks, vibrations
Landscapes
- Fluid-Damping Devices (AREA)
Abstract
The present invention relates to a kind of guiding of the mine hoisting container of mine industry and buffer units, specifically a kind of hydraulic self-adapting rolling cage shoe, it can reduce or eliminate the running swing of hoisting container, it includes the left side being arranged symmetrically, right rolling cage shoe group, every group includes three rolling cage shoes, each rolling cage shoe is all made of cushion cylinder and makees buffer unit, cushion cylinder passes through sebific duct respectively and connects with communicating pipe, it is interconnected between cushion cylinder by communicating pipe, its structure is simple, without bounce when buffering, substantially improve the stress of rolling cage shoe, the stability and service life for making rolling cage shoe are all improved, it could be used that on the narrow hoisting container of arrangement space, the variation of various operating conditions when also adapting to be promoted, guarantee that hoisting container is steadily safely run.
Description
Technical field
The present invention relates to a kind of guiding and buffer unit for mine hoisting container, specifically a kind of hydraulic self-adapting rolling
Cage shoe is taken turns, when hoisting container is swung laterally in the process of running, which can be reduced or substantially eliminate this swing, make
Hoisting container runs smoothly, and ensures the operational safety of hoisting container, is widely used in the lifting system of coal mine metallurgical mine, belongs to
In mining machinery field.
Background technique
It is being run at present in coal mine metallurgical mine industry, shaft production lifting system in order to be oriented to and eliminate hoisting container
Swing in the process reduces operation noise, often in hoisting container two sides, installs rolling cage shoe, three rolling cage shoes around cage guide
It is one group, left and right to be arranged symmetrically, rolling cage shoe is as buffer unit, using mechanical spring or rubber spring as bolster, by
In bolster there are bounce, hoisting container is influenced to generate vibration by bounce while buffering, in order to avoid rolling wheel pot
Gap is generated with cage guide in ear operation, there is a phenomenon where rolling cage shoes to hit cage guide, often that the buffer unit of rolling cage shoe is preparatory
Certain deflection is given, the pretightning force that usually this deflection generates is larger, and accelerate the tyre wearing of rolling cage shoe, if
The given deflection of buffer unit is small, when hoisting container swings aside, will appear between the rolling cage shoe and cage guide of the other side
Gap, when hoisting container backswing, the rolling cage shoe and cage guide of the other side collide, and keep the service life of rolling cage shoe shorter, In
In the left and right swing of hoisting container, for left and right rolling cage shoe group due to the difference of stress, rolling cage shoe generates difference in use
Performance change, cause the service life of rolling cage shoe unstable or inconsistent because rolling cage shoe buffer portion needs be made compared with
Greatly, bolster is not easy to arrange in rolling cage shoe since volume is larger, can not usually take other performances of bolster into account, have
Hoisting container is supplied to the arrangement space very little of rolling cage shoe, leads to not using rolling cage shoe, these factors limit idler wheel
The use scope of cage shoe, especially in big weight, ultradeep well, high-speed cruising, is encountered since the service life of rolling cage shoe is unstable or short
Under the extreme conditions such as cage guide deformation, rolling cage shoe damage is more frequent, these bring very big hidden danger to safety in production, needs
It is regularly maintained, replaces, overhauls, affect being normally carried out for production, there is no very good solution method so far.
Summary of the invention
In place of overcoming above-mentioned the deficiencies in the prior art, a kind of hydraulic self-adapting rolling wheel pot is provided
Ear, it includes left wheel cage shoe group and the right rolling cage shoe group being arranged symmetrically therewith, they are connected by communicating pipe, left wheel cage shoe
Group is made of left front rolling cage shoe, left rolling cage shoe, left back rolling cage shoe, has cushion cylinder on each rolling cage shoe, each
Cushion cylinder is separately connected the sebific duct in left side, and the sebific duct in left side is connected with communicating pipe, and right rolling cage shoe group is by right front wheel tank
Rolling cage shoe, right rear roller cage shoe form in ear, the right side, have right cushion cylinder, each right cushion cylinder on each right rolling cage shoe
It is separately connected the sebific duct on right side, the sebific duct on right side connects with communicating pipe, has regulating piston on communicating pipe, can slide within communicating pipe
Dynamic, regulating piston bar portion has spring, and there are also pressure gauges on communicating pipe, by left and right rolling cage shoe oil cylinder, left and right sebific duct, connection
Pipe, pressure gauge, regulating piston, spring and nut form a buffering self-adaptive hydraulic regulating system, when in hoisting container operation
When being oscillated or vibrated, each mutual coordination of cushion cylinder reduces or eliminates the swing and vibration of hoisting container, significantly
The force-bearing situation for improving rolling cage shoe and hoisting container, makes the stability of rolling cage shoe and service life all improve a lot.
The present invention is realized with following technical solution: a kind of hydraulic self-adapting rolling cage shoe, it is characterized in that: it includes a left side
Rolling cage shoe group and the right rolling cage shoe group being arranged symmetrically therewith, left wheel cage shoe group is by left front rolling cage shoe, left rolling wheel pot
Ear, left back rolling cage shoe composition, there is cushion cylinder on each rolling cage shoe, i.e., left front cushion cylinder, left cushion cylinder, left back
Cushion cylinder, the bracket of the piston rod connection rolling cage shoe of each cushion cylinder, the other end of oil cylinder connect pedestal, cushion cylinder
Hydraulic fluid port connection rubber tube, i.e., the hydraulic fluid port of left front cushion cylinder connects left front sebific duct, and the hydraulic fluid port of left cushion cylinder connects left glue
Pipe, the hydraulic fluid port of left back cushion cylinder connect left back sebific duct, and left front, left, left back sebific duct passes through oilhole respectively and communicating pipe connects
It connects, right rolling cage shoe group is made of rolling cage shoe, right rear roller cage shoe in right front wheel cage shoe, the right side, is had on each rolling cage shoe
Cushion cylinder, i.e., it is right before cushion cylinder, cushion cylinder in the right side, it is right after cushion cylinder, the piston rod of each cushion cylinder connects rolling
The bracket of cage shoe is taken turns, the other end of oil cylinder connects pedestal, the hydraulic fluid port connection rubber tube of cushion cylinder, i.e., the hydraulic fluid port of cushion cylinder before the right side
Sebific duct before connection is right, sebific duct in the hydraulic fluid port connection right side of cushion cylinder in the right side, it is right after cushion cylinder hydraulic fluid port connection it is right after sebific duct, it is right
Before, in the right side, it is right after sebific duct connected respectively with communicating pipe.
There is a fuel feed hole on the communicating pipe, six oilholes are connected with six roots of sensation sebific duct, left front oilhole and left back oilhole
In face-to-face arrangement, in left oilhole and the right side oilhole in arrangement face-to-face, it is right before oilhole and it is right after oilhole in arrangement face-to-face, often
A oilhole is separately connected corresponding sebific duct, and there is regulating piston in the end of communicating pipe, can slide within communicating pipe, on regulating piston bar
There is spring, pressure gauge is connected on communicating pipe.
The left front cushion cylinder, left cushion cylinder, left back cushion cylinder, left front sebific duct, left sebific duct, left back glue
Pipe, communicating pipe, pressure gauge, regulating piston, spring, it is right before sebific duct, sebific duct in the right side, it is right after sebific duct, it is right before cushion cylinder, delay in the right side
Rush oil cylinder, it is right after cushion cylinder, form a buffering self-adaptive hydraulic regulating system.
The beneficial effects of the present invention are: the hydraulic self-adapting rolling cage shoe simplifies the structure of buffer system, use is hydraulic
Oil cylinder does not generate bounce as buffer unit substantially, and hoisting container operation is without friction, more steadily, corresponding cushion cylinder
The coordinated movement of various economic factors avoids the shock occurred when hoisting container backswing, and the pretightning force and cushion effect of rolling cage shoe are respectively by different members
Part control, is independent of each other, can design according to design requirement, and cushion effect size is definite value, in this way it is easy to determine, bilateral buffering dress
The stress condition set is completely the same, since cushion cylinder volume can be designed very little, can want according to stress in rolling cage shoe
Any arrangement is sought, the stress condition of rolling cage shoe is greatly improved, mentions the stability of rolling cage shoe group entirety and service life significantly
Height also can be used since space limitation is not available the hoisting container of rolling cage shoe in the past, when hoisting container in deep-well, again
Carry, cage guide deformation, in the case of high-speed cruising, biggish fluctuations will not occur for the stress of rolling cage shoe, and rolling cage shoe is not yet
Easy to damage, since structure simplifies, production cost is reduced, and has saved resource, daily maintenance only needs to observe the pressure of pressure gauge, just
Know whether the operation conditions of rolling cage shoe is normal, when there is rolling cage shoe abrasion, as long as squeezing into hydraulic oil to multi-pass pipe,
It can compensate for the abrasion of rolling cage shoe, do not need replacement element and consumable material substantially.
Detailed description of the invention
Invention is further described in detail for embodiment with reference to the accompanying drawing:
Fig. 1 is connection relationship diagram of the invention:
Fig. 2 is rolling cage shoe structural schematic diagram of the invention:
In figure: 1, left front cushion cylinder, 2, left front hydraulic fluid port, 3, left front sebific duct, 4, left front rolling cage shoe, 5, left cage guide, 6,
Left rolling cage shoe, 7, left cushion cylinder, 8, left back rolling cage shoe, 9, left back cushion cylinder, 10, left back hydraulic fluid port, 11, promotion
Container, 12, left hydraulic fluid port, 13, left sebific duct, 14, left back sebific duct, 15, communicating pipe, 16, left back oilhole, 17, the right side in oilhole,
18, oilhole after right, 19, sebific duct in the right side, 20, pressure gauge, 21, it is right after sebific duct, 22, hydraulic fluid port in the right side, 23, cushion cylinder in the right side, 24,
Rolling cage shoe in the right side, 25, it is right after hydraulic fluid port, 26, it is right after cushion cylinder, 27, right rear roller cage shoe, 28, right cage guide, 29, it is right before rolling
Take turns cage shoe, 30, it is right before hydraulic fluid port, 31, it is right before cushion cylinder, 32, left front oilhole, 33, left oilhole, 34, it is right before oilhole, 35, adjust
Save piston, 36, spring, 37, it is right before sebific duct, 38, rolling cage shoe, 39, bracket, 40, piston rod, 41, hydraulic fluid port.42, oil cylinder, 43,
Pedestal, 44, nut, 45, fuel feed hole.
Specific embodiment
As shown in the figure: a kind of hydraulic self-adapting rolling cage shoe, it includes left wheel cage shoe group and the right side that is arranged symmetrically therewith
Rolling cage shoe group, left wheel cage shoe group are made of left front rolling cage shoe 4, left rolling cage shoe 6, left back rolling cage shoe 8, each rolling
Taking turns has cushion cylinder on cage shoe, i.e., left front cushion cylinder 1, left cushion cylinder 7, left back cushion cylinder 9, each cushion cylinder
The bracket 39 of the connection rolling cage shoe of piston rod 40, the other end connection pedestal 43 of oil cylinder, 41 connection rubber tube of hydraulic fluid port of cushion cylinder,
The hydraulic fluid port 2 of i.e. left front cushion cylinder 1 connects left front sebific duct 3, and the hydraulic fluid port 12 of left cushion cylinder 7 connects left sebific duct 13, left back
The hydraulic fluid port 10 of cushion cylinder 9 connects left back sebific duct 14, and left front, left, left back sebific duct passes through oilhole and communicating pipe 15 connects, right
Rolling cage shoe group is made of rolling cage shoe 24, right rear roller cage shoe 27 in right front wheel cage shoe 29, the right side, is had on each rolling cage shoe
Cushion cylinder, i.e., it is right before cushion cylinder 31, cushion cylinder 23 in the right side, it is right after cushion cylinder 26, the piston rod of each cushion cylinder
The bracket 39 of rolling cage shoe 38 is connected, the other end of oil cylinder connects pedestal 43, the hydraulic fluid port connection rubber tube of cushion cylinder delays before the right side
The hydraulic fluid port 30 for rushing oil cylinder 31 connects sebific duct 37 before the right side, and the hydraulic fluid port 22 of cushion cylinder 23 connects sebific duct 19 in the right side in the right side, buffers after right
The hydraulic fluid port 25 of oil cylinder 26 connects sebific duct 21 behind the right side, before right, in the right side, it is right after sebific duct connected with communicating pipe 15.
There is a fuel feed hole 45 on the communicating pipe 15, six oilholes are connected with six roots of sensation sebific duct, left front oilhole 32 and a left side
Oilhole 16 is in arrangement face-to-face afterwards, in left oilhole 33 and the right side oilhole 17 in arrangement face-to-face, it is right before oilhole 34 and it is right after oilhole
18 are separately connected corresponding sebific duct in arrangement, each oilhole face-to-face, and there is regulating piston 35 in the end of communicating pipe 15, can be along connection
It is slided in pipe, has spring 36 on regulating piston 35, pressure gauge 20 is connected on communicating pipe 15.
The left front cushion cylinder 1, left cushion cylinder 7, left back cushion cylinder 9, left front sebific duct 3, left sebific duct 13,
Left back sebific duct 14, communicating pipe 15, pressure gauge 20, regulating piston 35, spring 36, it is right before sebific duct 37, sebific duct 19 in the right side, it is right after sebific duct
21, it is right before cushion cylinder 31, cushion cylinder 23 in the right side, it is right after cushion cylinder 26, form a buffering self-adaptive hydraulic and adjust and be
System.
The course of work: the rolling cage shoe newly installed will carry out installation and debugging, inject liquid to hydraulic system by fuel feed hole 45
Pressure oil makes left and right rolling cage shoe all keep certain pressure to cage guide, closes fuel feed hole 45, and hoisting container 11 can bring into operation,
When swinging to the left in the operation of hoisting container 11, by the compressing of left cage guide 5, the piston rod 40 of left cushion cylinder 7 is moved down, pressure
Compel hydraulic oil and passes through sebific duct 19, the right side in left hydraulic fluid port 12, left sebific duct 13, oilhole B2 33, communicating pipe 15, oilhole A2 17, the right side
Middle hydraulic fluid port 22 reaches cushion cylinder 23 in the right side, and 23 piston rod of cushion cylinder moves up in the right side, drives rolling cage shoe 24 in the right side to move, makes
Rolling cage shoe 24 still can be close to right cage guide 28 in the right side, and cage guide operation can be close to by making two sides rolling cage shoe always, work as promotion
When 11 backswing of container, by the pressure of right cage guide 28, cylinder piston rod 40 moves down rolling cage shoe 24 in the right side, and hydraulic oil is by hydraulic fluid port in the right side
22, sebific duct 19 in the right side, oilhole A2 17, communicating pipe 15, hydraulic fluid port B2 33, left sebific duct 13, left hydraulic fluid port 12, into left buffering
Oil cylinder 17, piston rod moves up, and left rolling cage shoe 6 is made to be close to left cage guide 5, maintains 11 even running of hoisting container, similarly, is promoted
When container is swung to the right, rolling cage shoe buffering course is similar to the above.
When hoisting container rotates, it is related to left front rolling cage shoe 4 and left back rolling cage shoe 8, right 29 He of front wheel cage shoe
Right rear roller cage shoe 27, also by the similar buffering of aforementioned process.
In big weight, ultradeep well, high-speed cruising, encountering under the extreme conditions such as cage guide deformation, it is assumed that two cage guide spacing increase,
Cage guide reduces the pressure of oil cylinder 42, and regulating piston 35 is reduced by the pressure of liquid, and spring 36 extends, and makes regulating piston 35 to the left
Mobile, hydraulic oil enters cushion cylinder 23 in left cushion cylinder 7 and the right side by sebific duct 19 in left sebific duct 13 and the right side respectively, makes to live
Stopper rod moves up, and drives rolling cage shoe 24 in left rolling cage shoe 6 and the right side to be close to cage guide respectively, makes 11 even running of hoisting container,
When two cage guide spacing reduce, two cage guides oppress rolling cage shoe 24 in left rolling cage shoe 6 and the right side, and piston rod moves down, left slow
The hydraulic oil for rushing cushion cylinder 23 in oil cylinder 7 and the right side flows into communicating pipe 15 through sebific duct 19 in left sebific duct 13, the right side respectively, and compressing is adjusted
Section piston 35 moves to right, and makes 11 even running of hoisting container and the external force received is unlikely big variation occurs.
Claims (3)
1. a kind of hydraulic self-adapting rolling cage shoe, it is characterized in that: it includes left wheel cage shoe group and the right rolling being arranged symmetrically therewith
Cage shoe group is taken turns, left wheel cage shoe group is made of left front rolling cage shoe (4), left rolling cage shoe (6), left back rolling cage shoe (8), often
There is cushion cylinder on a rolling cage shoe, i.e., left front cushion cylinder (1), left cushion cylinder (7), left back cushion cylinder (9), each
The bracket (39) of piston rod (40) the connection rolling cage shoe of cushion cylinder, the other end of oil cylinder connect pedestal (43), cushion cylinder
Hydraulic fluid port (41) connection rubber tube, i.e., the hydraulic fluid port of left front cushion cylinder (1) connects left front sebific duct (3), a left side for left cushion cylinder (7)
Middle hydraulic fluid port (12) connects left sebific duct (13), and the left back hydraulic fluid port (10) of left back cushion cylinder (9) connects left back sebific duct (14), left
Before, left, left back sebific duct pass through oilhole and communicating pipe (15) connection, right rolling cage shoe group is by right front wheel cage shoe (29), right
Middle rolling cage shoe (24), right rear roller cage shoe (27) form, and have cushion cylinder, i.e. cushion cylinder before the right side on each rolling cage shoe
(31), cushion cylinder (26), the piston rod of each cushion cylinder connect rolling cage shoe (38) behind cushion cylinder (23), the right side in the right side
The other end of bracket (39), oil cylinder connects pedestal (43), the hydraulic fluid port connection rubber tube of cushion cylinder, i.e., cushion cylinder (31) before the right side
Hydraulic fluid port (30) connects sebific duct (37) before the right side before the right side, and hydraulic fluid port (22) connects sebific duct (19) in the right side in the right side of cushion cylinder (23) in the right side,
Sebific duct (21) after hydraulic fluid port (25) connection is right behind the right side of cushion cylinder (26) behind the right side, before right, in the right side, it is right after sebific duct and communicating pipe
(15) it connects.
2. a kind of hydraulic self-adapting rolling cage shoe according to claim 1, it is characterized in that: having on the communicating pipe (15)
One fuel feed hole (45), six oilholes are connected with six roots of sensation sebific duct, left front oilhole (32) and left back oilhole (16) in row face-to-face
Column, left oilhole (33) He Youzhong oilhole (17) in arranging face-to-face, and oilhole (34) He Youhou oilhole (18) is in face-to-face before the right side
Arrangement, each oilhole are separately connected corresponding sebific duct, and the end of communicating pipe (15) has regulating piston (35), can slide within communicating pipe
It is dynamic, have on regulating piston (35) spring (36), pressure gauge (20) are connected on communicating pipe (15).
3. a kind of hydraulic self-adapting rolling cage shoe according to claim 1, it is characterized in that: the left front cushion cylinder
(1), left cushion cylinder (7), left back cushion cylinder (9), left front sebific duct (3), left sebific duct (13), left back sebific duct (14), even
Siphunculus (15), pressure gauge (20), regulating piston (35), spring (36), it is right before sebific duct (37), sebific duct (19) in the right side, it is right after sebific duct
(21), cushion cylinder (31) before right, cushion cylinder (23) in the right side, it is right after cushion cylinder (26), form the adaptive liquid of buffering
Press regulating system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910431876.4A CN110422723A (en) | 2019-05-15 | 2019-05-15 | Hydraulic self-adapting rolling cage shoe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910431876.4A CN110422723A (en) | 2019-05-15 | 2019-05-15 | Hydraulic self-adapting rolling cage shoe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110422723A true CN110422723A (en) | 2019-11-08 |
Family
ID=68407486
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910431876.4A Pending CN110422723A (en) | 2019-05-15 | 2019-05-15 | Hydraulic self-adapting rolling cage shoe |
Country Status (1)
| Country | Link |
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| CN (1) | CN110422723A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110921459A (en) * | 2019-11-27 | 2020-03-27 | 徐州中翰矿山设备制造有限公司 | Roller holding lug for vertical shaft lifter |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2484292Y (en) * | 2001-07-20 | 2002-04-03 | 杨锋杰 | Novel fully-sealed hydraulic buffering rolling-cylinder ear |
| CN200985233Y (en) * | 2006-08-02 | 2007-12-05 | 扬州凯思特液压阀门自控设备制造有限公司 | Steel rail cage guide and cage ear |
| CN201458454U (en) * | 2009-04-03 | 2010-05-12 | 孙国聘 | Liquid-gas fully-sealed roller cage shoe |
| CN107840231A (en) * | 2017-11-17 | 2018-03-27 | 李大德 | Hydraulic cushion type rolling cage shoe |
| CN210064832U (en) * | 2019-05-15 | 2020-02-14 | 鲁顺博 | Hydraulic self-adaptive roller cage shoe |
-
2019
- 2019-05-15 CN CN201910431876.4A patent/CN110422723A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2484292Y (en) * | 2001-07-20 | 2002-04-03 | 杨锋杰 | Novel fully-sealed hydraulic buffering rolling-cylinder ear |
| CN200985233Y (en) * | 2006-08-02 | 2007-12-05 | 扬州凯思特液压阀门自控设备制造有限公司 | Steel rail cage guide and cage ear |
| CN201458454U (en) * | 2009-04-03 | 2010-05-12 | 孙国聘 | Liquid-gas fully-sealed roller cage shoe |
| CN107840231A (en) * | 2017-11-17 | 2018-03-27 | 李大德 | Hydraulic cushion type rolling cage shoe |
| CN210064832U (en) * | 2019-05-15 | 2020-02-14 | 鲁顺博 | Hydraulic self-adaptive roller cage shoe |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110921459A (en) * | 2019-11-27 | 2020-03-27 | 徐州中翰矿山设备制造有限公司 | Roller holding lug for vertical shaft lifter |
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