CN108000431B - Equipment for dismantling bearing - Google Patents
Equipment for dismantling bearing Download PDFInfo
- Publication number
- CN108000431B CN108000431B CN201711208858.7A CN201711208858A CN108000431B CN 108000431 B CN108000431 B CN 108000431B CN 201711208858 A CN201711208858 A CN 201711208858A CN 108000431 B CN108000431 B CN 108000431B
- Authority
- CN
- China
- Prior art keywords
- rocking bar
- bearing
- block
- piston
- cylinder body
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
- B25B27/06—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same inserting or withdrawing sleeves or bearing races
- B25B27/064—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same inserting or withdrawing sleeves or bearing races fluid driven
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/0035—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for motor-vehicles
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cleaning By Liquid Or Steam (AREA)
Abstract
This patent is related to the technical field of automobile parts ancillary equipment, specifically discloses a kind of equipment for dismantling bearing, including rack and hydraulic cylinder, and block is placed in rack, and first passage and second channel are equipped in block, is equipped with wedge block in first passage;Sliding block and spring are equipped in second channel, sliding block is connected with bolt, is threaded with bolt on the inner wall of second channel;The first rocking bar and the 4th rocking bar are fixedly hinged in rack, the first rocking bar is hinged with the second rocking bar, and the 4th rocking bar is hinged with third rocking bar, and the first rocking bar and the 4th rocking bar are equipped with clamping piece;Second rocking bar and the hinged block of third rocking bar;It is fixedly connected with cylinder body in rack, " u "-shaped pipe is communicated on cylinder body, detergent is filled in " u "-shaped pipe, and cylinder body is by Driven by Hydraulic Cylinder.The present invention can be realized stable holding bearing, and dismantle to bearing, and protect bearing indeformable in disassembly process, while tentatively being cleaned to bearing.
Description
Technical field
The present invention relates to the technical fields of automobile parts ancillary equipment, specifically disclose a kind of for dismantling setting for bearing
It is standby.
Background technique
In recent years, as social economy develops rapidly, people's lives level is gradually increased, consumption of the people to automobile
More and more, demand of the market to automobile parts also the more becomes the more big, and bearing is indispensable a part in automobile parts.Axis
Holding is that component that is fixed and reducing load coefficient of friction is played in mechanical transmission course, when other parts generate each other on axis
Relative motion when, bearing can reduce the coefficient of friction in power transmission process, and is able to maintain axis center position and fixes.
But bearing extremely easily deforms damage in disassembly process, seriously affects the precision of bearing, that reduces bearing uses week
Phase.When tradition disassembly bearing, staff can use sledgehammer or other tools, dismantle bearing, in this way meeting by artificial force
So that bearing face unbalance stress, be easy to cause bearing surface scuffing or bearing deformation, to influence bearing service life.Cause
This, the mode of mutual disassembly's bearing not only cannot be guaranteed the quality for dismantling rear bearing, and the working efficiency for dismantling bearing also compares
It is relatively low.
Summary of the invention
It is an object of that present invention to provide a kind of equipment for dismantling bearing, to hold when solving bearing removal in the prior art
Problem easily damaged and that mutual disassembly's efficiency of bearing is low.
In order to achieve the above object, base case of the invention are as follows: the equipment for dismantling bearing, including rack and hydraulic
Cylinder;Block is slidably fitted in the rack, the second channel equipped with vertical first passage and transverse direction in the block is described
First passage is connected with the second channel, and wedge block is slidably connected in the first passage, is slidably connected in the second channel
There is sliding block, the side of the sliding block is connected with bolt, and spring, institute are connected between the other side of sliding block and the inner wall of second channel
It states and offers threaded hole on block, threaded hole is threaded with the bolt for pushing sliding block;First is hinged in the rack
Rocking bar and the 4th rocking bar, the first rocking bar and the 4th rocking bar are symmetrical arranged along the central axes of block, one end hinge of first rocking bar
It is connected to the second rocking bar, the other end of the first rocking bar is equipped with clamping piece, and one end of the 4th rocking bar is hinged with third rocking bar, the
The other end of four rocking bars is equipped with clamping piece, and the clamping piece is equipped with the groove for being capable of clamping bearing, second rocking bar and third
Rocking bar is respectively hinged at the both ends of block;It is equipped with first piston in the hydraulic cylinder, is connected on first piston for impeller-hub
First piston bar;Cylinder body is installed in the rack, is equipped with second piston in cylinder body, cylinder body is divided into epicoele by second piston
Room and lower chambers, the second piston are connected with second piston bar, and second piston bar is fixedly connected with First piston bar;The cylinder
" u "-shaped pipe is provided with by body, " u "-shaped pipe one end is connected to cylinder body upper chamber, and the " u "-shaped pipe other end is equipped with nozzle, the " u "-shaped
Detergent is filled in pipe, the cylinder body roof offers opening, and opening is equipped with breather cheek valve.
The working principle of this base case is: screwing bolts, bolt pusher sliding block, so that the bolt on sliding block is resisted against
On the lozenges of wedge block.Start hydraulic cylinder, the First piston bar of hydraulic cylinder applies axial compressive force to the axis of bearing to be removed, will
Axis is against between First piston bar and block;First piston bar continues to apply pressure to axis, due to the position of bolt limitation wedge block
It sets, wedge block cannot slide in first passage, and therefore, axis pushes block to move up;And block is when moving up, due to
Two rocking bars and block are hinged, so that the position of the second rocking bar changes, and the hinge joint of the second rocking bar and the first rocking bar is with
The hinged place of one rocking bar and rack is that the center of circle starts to rotate counterclockwise, and the clamping piece on the first rocking bar rotates counterclockwise;Similarly, by
It is hinged in third rocking bar and block, so that the position of third rocking bar changes, and the hinge joint of third rocking bar and the 4th rocking bar
Starting to rotate clockwise as the center of circle using the hinged place on the 4th rocking bar with rack, the clamping piece on the 4th rocking bar rotates clockwise,
Realize two clamping piece clamping bearings.At this point, screwing out bolt, sliding block is retracted original position by spring, and bolt is retracted in second channel,
Wedge block is able to slide in first passage;Hydraulic cylinder continues working, and bearing is clamped part and grips at this time, First piston bar
It continues to press on axis to move up, until axis is separated with bearing.
In the above process, while First piston bar applies axial compressive force to axis, First piston bar drives second piston bar
It moves up, the air of compression cylinder upper chamber, air enters in " u "-shaped pipe, and applies pressure to detergent liquid level, so that clearly
Clean dose sprays from nozzle, cleans clamped bearing.
The beneficial effect of this base case is: 1, the first rocking bar, the second rocking bar, third rocking bar, the 4th shake in this equipment
Bar and block form the mechanism of clamping bearing, and clamp to the upper surface and outer ring of bearing, realize to bearing
Clamping is fixed, while applying axial force to the axis on bearing using hydraulic cylinder, so that axis is detached from bearing, is realized to bearing
Disassembly, improves work efficiency the time needed for reducing disassembly bearing;2, the clamping piece clamping in this equipment is bearing
Upper surface and outer ring connect when this equipment increases clamping bearing with bearing for the device for only clamping bearing outer ring
Contacting surface product, so that bearing uniform force in the process of disassembly, is not susceptible to deform;3, it during dismantling bearing, originally sets
It is standby also using hydraulic cylinder as the power source of cylinder body so that the intracorporal gas of cylinder enters extruded cleanser in " u "-shaped pipe, detergent
Bearing is sprayed to, realizes the preliminary cleaning to bearing, reduces the subsequent cleaning workload of bearing, improves the effect of bearing cleaning work
Rate.
Further, the clamping piece is equipped with rubber sheet gasket.Avoid the direct contact bearing of clamping piece, score bearings.
Further, the bolt is equipped with spring washer, and bolt is avoided to loosen naturally.
Further, drainage plate is equipped with above the hydraulic cylinder, the drainage plate is equipped with water-absorbing sponge.Drainage plate can incite somebody to action
Sewage after bearing cleaning is drained at blowdown, and sewage is avoided directly to be sprinkled upon on hydraulic cylinder;In addition, setting water-absorbing sponge be in order to
Prevent the sewage fallen down from flashing.
Further, the " u "-shaped pipe is transparent " u "-shaped pipe, and " u "-shaped pipe is equipped with feed inlet, is equipped with lid at feed inlet
Plate.The amount of detergent in " u "-shaped pipe can be observed, directly, in real time in this way convenient for the addition of detergent.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the embodiment of the present invention;
Fig. 2 is the structural schematic diagram of block in the embodiment of the present invention;
Fig. 3 is structural schematic diagram when equipment is in running order in the embodiment of the present invention.
Specific embodiment
Below by the further details of explanation of specific embodiment:
Appended drawing reference in Figure of description includes: hydraulic cylinder 1, first piston 101, First piston bar 102, the first rocking bar
2, the second rocking bar 3, block 4, third rocking bar 5, the 4th rocking bar 6, hinged place 7, clamping piece 8, first passage 9, wedge block 10, second
Channel 11, sliding block 12, bolt 13, spring 14, bolt 15, cylinder body 16, second piston 161, second piston bar 162, " u "-shaped pipe
17, breather cheek valve 18, bearing 19, axis 20.
Embodiment
Equipment for dismantling bearing as shown in Figure 1, including rack and hydraulic cylinder 1 are slidably fitted with block in rack
4, as shown in Fig. 2, being equipped with first passage 9 and second channel 11 in block 4, first passage 9 is connected to second channel 11, and first is logical
Wedge block 10 is slidably connected in road 9, sliding block 12 is slidably connected in second channel 11, and the left side of sliding block 12 is connected with bolt
13, it is connected with spring 14 between the right side of sliding block 12 and the inner wall of second channel 11, threaded hole, threaded hole are offered on block 4
It is threaded with bolt 15.
The first rocking bar 2 and the 4th rocking bar 6 are fixedly hinged in rack, the first rocking bar 2 and the 4th rocking bar 6 are along block 4
Axisymmetrical setting, the upper end of the first rocking bar 2 are hinged with the second rocking bar 3, and the upper end of the 4th rocking bar 6 is hinged with third rocking bar 5, the
The lower end of one rocking bar 2 and the 4th rocking bar 6 is separately installed with clamping piece 8, and clamping piece 8 is equipped with the groove for being capable of clamping bearing;Second shakes
Bar 3 and third rocking bar 5 are respectively articulated with the both ends of block 4.
It is equipped with first piston 101 in hydraulic cylinder 1, the First piston bar of energy impeller-hub 20 is connected on first piston 101
102;Cylinder body 16 is installed in rack, is equipped with second piston 161 in cylinder body 16, cylinder body 16 is divided into sealing by second piston 161
Upper chamber and lower chambers;Second piston 161 is connected with second piston bar 162, second piston bar 162 and First piston bar 102
It is fixedly connected.The left side of cylinder body 16 is equipped with transparent " u "-shaped pipe 17, and the right end of " u "-shaped pipe 17 is connected to upper chamber, " u "-shaped pipe
17 left end is equipped with nozzle, and detergent is filled in " u "-shaped pipe 17, and the roof of upper chamber is equipped with opening, and opening is equipped with unidirectional
Intake valve 18.
When this equipment works, spanner screwing bolts 15 are used first, and the left end of bolt 15 pushes sliding block 12 to slide to the left, bullet
Spring 14 stretches, and the left end of bolt 13 is resisted against on the lozenges of wedge block 10, prevents wedge block 10 from sliding up in first passage 9
It is dynamic.Secondly, starting hydraulic cylinder 1, pushes 101 upward sliding of first piston, First piston bar 102 is immediately on bearing 19 to be removed
Axis 20 application upward pressure so that axis 20 is against between First piston bar 102 and wedge block 10;First piston bar 102 after
It is continuous to move upwards, it upwards pressure to the application of axis 20, at this time since bolt 13 limits the position of wedge block 10, wedge block 10 is fixed
In first passage 9, so, axis 20 pushes block 4 to move up;And block 4 is when moving up, due to the right side of the second rocking bar 3
End and the left end of block 4 are hinged, so that the right end of the second rocking bar 3 moves up, the hinge joint of the second rocking bar 3 and the first rocking bar 2
Hinged place 7 with the first rocking bar 2 and rack is that the center of circle starts to rotate counterclockwise, and the clamping piece 8 on the first rocking bar 2 turns counterclockwise
It is dynamic;Similarly, since the right end of the left end of third rocking bar 5 and block 4 is hinged, so that the left end of third rocking bar 5 moves up, third
The hinge joint of rocking bar 5 and the 4th rocking bar 6 is that the center of circle starts to rotate clockwise with the hinged place 7 of the 4th rocking bar 6 and rack, and the 4th shakes
Clamping piece 8 on bar 6 rotates clockwise, and two clamping pieces 8 clamp the upper surface and outer ring of bearing 19 respectively, with this to bearing 19
It is gripped, as shown in Figure 3.At this point, bolt 15 is screwed out with spanner opposite direction, and under the elastic force effect of spring 14, sliding block
12 are pulled original position, and bolt 13 is retracted in second channel 11, no longer limitation 10 upward sliding of wedge block;In the work of hydraulic cylinder 1
Under, First piston bar 102 continues impeller-hub 20 and moves up, and grips since bearing 19 is clamped part 8, First piston bar
102 pairs of applications of axis 20 upward pressure, so that bearing 19 and axis 20 relatively move, until axis 20 divides completely with bearing 19
From the disassembly of completion bearing 19.
In the above process, while First piston bar 102 applies upward pressure to axis 20, First piston bar 102 drives the
Two piston rods 162 move up, and the air of 16 upper chamber of compression cylinder, air enters in " u "-shaped pipe 17, apply to detergent liquid level
Plus-pressure cleans the bearing 19 in clamping so that detergent is sprayed from nozzle.
After the disassembly for completing bearing 19, First piston bar 102 is moved downward, and axis 20 also moves down therewith, removes axis 20
Backstop 4 loses support, under drop back into original position, while clamping piece 8 unclamps bearing 19 and homing, removes bearing 19 at this time.The
Second piston bar 162 is driven to move downward while one piston rod 102 moves downward, the also slide downward of second piston 161, cylinder body
The internal pressure of 16 upper chamber reduces, and air is entered the upper chamber of cylinder body 16 by breather cheek valve 18, to balance the internal pressure of upper chamber.
What has been described above is only an embodiment of the present invention, and the common sense such as well known specific structure and characteristic are not made herein in scheme
Excessive description.It, without departing from the structure of the invention, can be with it should be pointed out that for those skilled in the art
Several modifications and improvements are made, these also should be considered as protection scope of the present invention, these all will not influence what the present invention was implemented
Effect and patent practicability.
Claims (5)
1. for the equipment of dismantling bearing, including rack and hydraulic cylinder, it is hinged with the first rocking bar and the 4th rocking bar in the rack,
The end of first rocking bar and the 4th rocking bar is mounted on clamping piece, and the clamping piece is equipped with the groove for being capable of clamping bearing;Its feature
It is: is slidably fitted with block, the second channel equipped with vertical first passage and transverse direction in the block, institute in the rack
It states first passage to be connected with the second channel, wedge block is slidably connected in the first passage, sliding connects in the second channel
It is connected to sliding block, the side of the sliding block is connected with bolt, is connected with spring between the other side of sliding block and the inner wall of second channel,
Threaded hole is offered on the block, threaded hole is threaded with the bolt for pushing sliding block;First rocking bar and the 4th
Rocking bar is symmetrical arranged along the central axes of block, and the end of the first rocking bar is hinged with the second rocking bar, and the end of the 4th rocking bar is hinged with
Third rocking bar, the second rocking bar and third rocking bar are respectively hinged at the both ends of block;It is equipped with first piston in the hydraulic cylinder, first
The First piston bar for impeller-hub is connected on piston;Cylinder body is installed in the rack, second piston is equipped in cylinder body, the
Cylinder body is divided into upper chamber and lower chambers by two pistons, and the second piston is connected with second piston bar, second piston bar and the
One piston rod is fixedly connected;" u "-shaped pipe is provided with by the cylinder body, " u "-shaped pipe one end is connected to cylinder body upper chamber, " u "-shaped pipe
The other end is equipped with nozzle, and detergent is filled in the " u "-shaped pipe, and the cylinder body roof offers opening, and opening is equipped with unidirectional
Intake valve.
2. the equipment according to claim 1 for dismantling bearing, it is characterised in that: the clamping piece is equipped with rubber pad
Piece.
3. the equipment according to claim 2 for dismantling bearing, it is characterised in that: the bolt is equipped with spring pad
Circle.
4. the equipment according to claim 3 for dismantling bearing, it is characterised in that: be equipped with drainage above the hydraulic cylinder
Plate, the drainage plate are equipped with water-absorbing sponge.
5. the equipment according to claim 4 for dismantling bearing, it is characterised in that: the " u "-shaped pipe is transparent " U "
Shape pipe, " u "-shaped pipe are equipped with feed inlet, are equipped with cover board at feed inlet.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711208858.7A CN108000431B (en) | 2017-11-27 | 2017-11-27 | Equipment for dismantling bearing |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711208858.7A CN108000431B (en) | 2017-11-27 | 2017-11-27 | Equipment for dismantling bearing |
Publications (2)
Publication Number | Publication Date |
---|---|
CN108000431A CN108000431A (en) | 2018-05-08 |
CN108000431B true CN108000431B (en) | 2019-06-07 |
Family
ID=62054113
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201711208858.7A Active CN108000431B (en) | 2017-11-27 | 2017-11-27 | Equipment for dismantling bearing |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN108000431B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108787610B (en) * | 2018-07-17 | 2023-12-12 | 重庆伦瑞风传动科技有限公司 | Engine gear machining device for mini-tiller |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106041493A (en) * | 2014-09-09 | 2016-10-26 | 朱玉兵 | Device for unloading shaft end bearing |
CN205817233U (en) * | 2016-07-28 | 2016-12-21 | 沭阳中阳纤维科技有限公司 | A kind of spindle maintenance frock |
DE102015013365A1 (en) * | 2015-10-16 | 2017-04-20 | Rotorcraft Ag | Spinning spindle with magnetic bearing |
CN206190901U (en) * | 2016-11-23 | 2017-05-24 | 上海东富龙科技股份有限公司 | A press the sealing device that is used for freeze dryer ejection of compact push rod department radiation fins |
CN206493269U (en) * | 2017-02-06 | 2017-09-15 | 浙江再生手拉手汽车部件有限公司 | A kind of cup draws code instrument |
CN206544142U (en) * | 2017-01-16 | 2017-10-10 | 陕西延长石油(集团)有限责任公司榆林炼油厂 | A kind of centrifugal pump shaft sleeve withdrawal tool |
CN206568091U (en) * | 2017-03-14 | 2017-10-20 | 王庆斌 | Wall-attaching type bearing inner ring extractor |
CN206567784U (en) * | 2017-03-14 | 2017-10-20 | 北京新联铁集团股份有限公司 | Wheel is to gear wheel dismounting machine |
CN206614467U (en) * | 2016-11-28 | 2017-11-07 | 中国石油天然气股份有限公司 | Disassembling tool for hydraulic coupler |
-
2017
- 2017-11-27 CN CN201711208858.7A patent/CN108000431B/en active Active
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106041493A (en) * | 2014-09-09 | 2016-10-26 | 朱玉兵 | Device for unloading shaft end bearing |
DE102015013365A1 (en) * | 2015-10-16 | 2017-04-20 | Rotorcraft Ag | Spinning spindle with magnetic bearing |
CN205817233U (en) * | 2016-07-28 | 2016-12-21 | 沭阳中阳纤维科技有限公司 | A kind of spindle maintenance frock |
CN206190901U (en) * | 2016-11-23 | 2017-05-24 | 上海东富龙科技股份有限公司 | A press the sealing device that is used for freeze dryer ejection of compact push rod department radiation fins |
CN206614467U (en) * | 2016-11-28 | 2017-11-07 | 中国石油天然气股份有限公司 | Disassembling tool for hydraulic coupler |
CN206544142U (en) * | 2017-01-16 | 2017-10-10 | 陕西延长石油(集团)有限责任公司榆林炼油厂 | A kind of centrifugal pump shaft sleeve withdrawal tool |
CN206493269U (en) * | 2017-02-06 | 2017-09-15 | 浙江再生手拉手汽车部件有限公司 | A kind of cup draws code instrument |
CN206568091U (en) * | 2017-03-14 | 2017-10-20 | 王庆斌 | Wall-attaching type bearing inner ring extractor |
CN206567784U (en) * | 2017-03-14 | 2017-10-20 | 北京新联铁集团股份有限公司 | Wheel is to gear wheel dismounting machine |
Also Published As
Publication number | Publication date |
---|---|
CN108000431A (en) | 2018-05-08 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN102704897B (en) | Gravitational equilibrium hydraulic pressure long stroke pumping unit | |
CN208437988U (en) | A kind of fixture with buffer unit | |
CN108000431B (en) | Equipment for dismantling bearing | |
CN207701566U (en) | A kind of sides nut | |
CN111015309A (en) | Pneumatic supporting tool inside barrel part | |
CN106122193A (en) | A kind of convenient bolt installed | |
CN110185280A (en) | A kind of resin injector of repairing & strengthening of civil engineering | |
CN105768515A (en) | Hairbrush | |
CN108906833A (en) | One kind being used for steelplastic pipe Special rotary fixture | |
CN208845630U (en) | A kind of fixed support device of wet alarm valve | |
CN208555234U (en) | A kind of cleaning device of automobile parts electrophoretic paint processing | |
CN108035979A (en) | A kind of device for dismantling bearing | |
CN213889655U (en) | Anti-deformation clamping device for pipe fitting machining | |
CN211678436U (en) | Accurate oiling equipment for hardware manufacturing | |
CN208880624U (en) | A kind of spring safety valve provision for disengagement | |
CN207762172U (en) | A kind of tension spring of antifatigue deformation | |
CN210231118U (en) | Oil spout curved system of pipe is with spanner mechanism | |
CN209363223U (en) | A kind of tank body clamping cleaning plant | |
CN220337182U (en) | Supercharging oil cylinder | |
CN217003995U (en) | Multifunctional tower barrel bolt stretching and fastening assembly | |
CN110645229A (en) | Method for quickly installing hydraulic oil cylinder in outdoor severe environment | |
CN211887511U (en) | High-pressure water jet cleaning spray gun for petroleum pipeline | |
CN208575775U (en) | Draw-off gear is used in a kind of maintenance of nitrogen gas spring | |
RU2244202C2 (en) | Device for supplying lubricant | |
CN208430466U (en) | A kind of tunnel cleaning equipment convenient for dedusting |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant |