CN109854726A - A kind of groove milling machine actuating device - Google Patents
A kind of groove milling machine actuating device Download PDFInfo
- Publication number
- CN109854726A CN109854726A CN201910119790.8A CN201910119790A CN109854726A CN 109854726 A CN109854726 A CN 109854726A CN 201910119790 A CN201910119790 A CN 201910119790A CN 109854726 A CN109854726 A CN 109854726A
- Authority
- CN
- China
- Prior art keywords
- mounting seat
- transmission shaft
- milling machine
- actuating device
- groove milling
- 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.)
- Granted
Links
- 238000003801 milling Methods 0.000 title claims abstract description 20
- 230000005540 biological transmission Effects 0.000 claims abstract description 40
- 239000002184 metal Substances 0.000 claims abstract description 14
- 239000000446 fuel Substances 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 8
- 238000001514 detection method Methods 0.000 claims description 4
- 239000000523 sample Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract description 6
- 239000012208 gear oil Substances 0.000 description 7
- 238000005461 lubrication Methods 0.000 description 5
- 238000001816 cooling Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- General Details Of Gearings (AREA)
Abstract
The invention discloses a kind of groove milling machine actuating devices, including motor, upper seal box and lower seal box；Motor is mounted on the upper end of seal box；The upper seal box includes upper transmission shaft, upper bearing (metal) component and upper mounting seat；Upper bearing (metal) component is fixedly mounted on the inside of upper mounting seat, and upper transmission shaft is mounted on upper bearing (metal) component, is equipped with first end cover in the lower section of upper mounting seat, the first seal assembly is equipped between first end cover and upper transmission shaft；The lower seal box includes lower drive shaft, lower bearing component and lower mounting seat；Lower bearing component is fixedly mounted on the inside of lower mounting seat, lower drive shaft is mounted on lower bearing component, second end cover is equipped in the top of lower mounting seat, the second seal assembly is equipped between second end cover and lower drive shaft, the shaft of motor is fixedly connected with upper transmission shaft, upper transmission shaft is connect with lower drive shaft, and the configuration of the present invention is simple is easy to maintenance.
Description
Technical field
The invention belongs to construction of diaphragm wall field of mechanical technique more particularly to a kind of groove milling machine actuating devices.
Background technique
Two-wheel flute milling machine is basic engineering construction machinery, has construction efficiency height, at spies such as groove depth depth, grooving precision height
Point；It drives two milling wheels to rotate backward by hydraulic motor, and cutting, broken formation, maximum is at groove depth up to 150m.With
The pressure of the increase of milling depth, motor draining chamber also increases, it is contemplated that general motor draining chamber uses lip packing, most
Big pressure-bearing is 0.3MPa, and therefore, general motor will be unable to work normally when being in depth 30m or less, in response to this problem, logical at present
Special designing often is carried out to motor, changes the lip packing of motor draining chamber into mechanical seal, although this mode can solve
Problem, but the special designing of motor makes the buying of motor more difficult, increased costs, the dimension of whole device after structure is complicated
Repair more being not easy of also becoming.
Summary of the invention
Of the existing technology in order to solve the problems, such as, the present invention provides a kind of groove milling machine actuating device, and structure is simple, maintenance
It is convenient.
The technical problem to be solved by the present invention is to what is be achieved through the following technical solutions:
A kind of groove milling machine actuating device, including motor, upper seal box and lower seal box；Motor is mounted on the upper end of seal box；
The upper seal box includes upper transmission shaft, upper bearing (metal) component and upper mounting seat；Upper bearing (metal) component is fixedly mounted in upper mounting seat
Side, upper transmission shaft are mounted on upper bearing (metal) component, first end cover are equipped in the lower section of upper mounting seat, in first end cover and upper transmission
The first seal assembly is equipped between axis；The lower seal box includes lower drive shaft, lower bearing component and lower mounting seat；Lower bearing
Component is fixedly mounted on the inside of lower mounting seat, and lower drive shaft is mounted on lower bearing component, is equipped with the in the top of lower mounting seat
Two end caps are equipped with the second seal assembly between second end cover and lower drive shaft, and the shaft of motor is fixedly connected with upper transmission shaft,
Upper transmission shaft is connect with lower drive shaft.
Further, spline company is all made of between motor and upper transmission shaft and between upper transmission shaft and lower drive shaft
It connects.
Further, " O " shape sealing ring is equipped between first end cover and upper mounting seat.
Further, warm and humid sensor is equipped on the side wall of lower mounting seat.
Further, motor and upper mounting seat, end cap, the first seal assembly and upper transmission shaft form the first cavity；?
Upper mounting seat side wall is equipped with fuel outlet, is additionally provided with the first by-pass prot above upper mounting seat, and the first by-pass prot is from upper mounting seat
Top, which is extended downwardly, is connected to the first cavity with fuel outlet.
Further, lower mounting seat and second end cover, the second seal assembly and the first seal assembly form the second cavity,
The second by-pass prot is offered in lower mounting seat, the second by-pass prot is upwardly extended from lower mounting seat and is connected to the second cavity.
Further, it is equipped with coding disk in the bottom of upper transmission shaft, coding disk is located in the second cavity, in coding disk side
Lower mounting seat side wall be equipped with speed probe.
Further, it is fixedly connected between coding disk and upper transmission shaft bottom by holding screw or circlip.
Further, pass through spiral shell between the first end cover and upper mounting seat and between second end cover and lower mounting seat
Line is connected and fixed.
Further, detection mouth is provided in lower mounting seat.
The utility model has the advantages that compared with existing special motor, while breaks through foreign technology blockage, can effectively save complete machine at
This；In the course of work, lubricating oil realizes internal circulation, persistently provides lubrication for upper sealing case apparatus, is also mechanical seal lubrication
It is cooling, improve the service life of mechanical seal；Lower seal box realizes the stream of gear oil under the action of transmission shaft pump efficiency ring
It is dynamic, cooling and lubrication are provided for seal assembly, bearing, and the design of this structure of driving unit is more simple, maintenance installation is more
It is convenient.Key point is that two groups of seal assemblies are respectively arranged on two transmission shafts, installs more convenient, the processing to structural member
Required precision reduces, and in later period maintenance, a certain group of sealing can be individually dismantled, to another group of sealing without damage, to reduce
Later maintenance cost.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the structural schematic diagram of upper seal box in the present invention；
Fig. 3 is the structural schematic diagram of lower seal box in the present invention.
Specific embodiment
In order to further describe technical characterstic and effect of the invention, below in conjunction with the drawings and specific embodiments to this hair
It is bright to be described further.
As shown in Figure 1-3, a kind of groove milling machine actuating device, including motor 1, upper seal box 2 and lower seal box 3；Motor 1 is pacified
Mounted in the upper end of upper seal box 2；The upper seal box 2 includes upper transmission shaft 201, upper bearing (metal) component 202 and upper mounting seat
204；204 inside of upper mounting seat is fixedly mounted in upper bearing (metal) component 202, and upper transmission shaft 201 is mounted on upper bearing (metal) component 202,
The lower section of upper mounting seat 204 is equipped with first end cover 205, and the first sealing group is equipped between first end cover 205 and upper transmission shaft 201
Part 203；The lower seal box 3 includes lower drive shaft 301, lower bearing component 302 and lower mounting seat 304；Lower bearing component 302
It is fixedly mounted on 304 inside of lower mounting seat, lower drive shaft 301 is mounted on lower bearing component 302, in the upper of lower mounting seat 304
Side is equipped with second end cover 305, and the second seal assembly 303 is equipped between second end cover 305 and lower drive shaft 301, and motor 1 turns
Axis is fixedly connected with upper transmission shaft 201, and upper transmission shaft 201 is connect with lower drive shaft 301.
Spline company is all made of between motor 1 and upper transmission shaft 201 and between upper transmission shaft 201 and lower drive shaft 301
It connects.
In order to further ensure leakproofness, " O " shape sealing ring is equipped between first end cover 205 and upper mounting seat 204.
In order to grasp gear oil liquid temperature in real time, warm and humid sensor 307 is equipped on the side wall of lower mounting seat 304.
Further, motor 1 and upper mounting seat 204,201 shape of end cap 205, the first seal assembly 203 and upper transmission shaft
At the first cavity 208；It is equipped with fuel outlet 207 on 204 side wall of upper mounting seat, is additionally provided with by the of first above upper mounting seat 204
Through-hole 209, the first by-pass prot 209 is extended downwardly from the top of upper mounting seat 204 is connected to the first cavity 208 with fuel outlet 207.
Lower mounting seat 304 and second end cover 305, the second seal assembly 303 and the first seal assembly 203 form the second chamber
Body 309, offers the second by-pass prot 308 in lower mounting seat 304, the second by-pass prot 308 from lower mounting seat 304 upwardly extend with
The connection of second cavity 309.
In order to grasp the revolving speed of shaft in real time, the bottom of upper transmission shaft 201 be equipped with coding disk 206, coding disk 206
In in the second cavity 309, speed probe 306 is equipped on 304 side wall of lower mounting seat of 206 side of coding disk.
It is fixedly connected between coding disk 206 and upper 201 bottom of transmission shaft by holding screw or circlip.
Lead between the first end cover 205 and upper mounting seat 204 and between second end cover 305 and lower mounting seat 304
Threaded connection is crossed to fix.
In order to facilitate maintenance, detection mouth 310 is provided in lower mounting seat 304.
When work, the hydraulic oil that motor 1 leaks enters the first cavity 208, flows through upper bearing (metal) component 202 and the first sealing group
Part 203 is connected to by oil pipe with external fuel tank, the shell of motor 1 by the fuel outlet 207(fuel outlet being provided in upper mounting seat 204
Draining passes through the first seal assembly 203 and upper bearing (metal) component 202 of the first cavity, to its lubrication and cooling, reaches and extends the service life
Effect) outflow, can be to avoid the excessive damage for causing the first seal assembly 203 of pressure in the first cavity 208.
Lower mounting seat 304 is soaked in gear oil, and motor 1 drives upper transmission shaft 201 to rotate, under upper transmission shaft 201 drives
Transmission shaft 301 rotates.301 lower end of lower drive shaft is machined with pump efficiency ring 311, the second by-pass prot 308 that lower mounting seat 304 opens up
Positioned at the second 303 or less seal assembly.When lower drive shaft 301 rotates, due to the effect of pump efficiency ring 311, gear oil is flowed up,
Lower bearing component 302 and the second seal assembly 303 are flowed through, is flowed out, is given down by the second by-pass prot 308 that lower mounting seat 304 is provided with
Bearing assembly 302 and the second seal assembly 303 provide the effect of lasting lubrication and cooling, to improve its service life.Lower peace
Be provided with detection mouth 310 on dress seat 304 and be connected with the second cavity 309, can detecte whether have hydraulic oil in upper seal box 2 and under
The gear oil of seal box 3 enters the second cavity 309.Coding disk 206 is located in the second airtight cavity, and by revolving speed driver 306
Measure the revolving speed of driving device in real time, due in the second cavity 309 without oil liquid, so measuring rotating speed is more accurate.Warm and humid sensing
Device 307 can 3 middle gear oil oil temperature of seal box under real-time detection, and can determine whether gear oil has water entrance.
Above-described embodiment does not limit the present invention in any form, and all forms for taking equivalent substitution or equivalent transformation are obtained
Technical solution, be within the scope of the present invention.
Claims (10)
1. a kind of groove milling machine actuating device, which is characterized in that including motor (1), upper seal box (2) and lower seal box (3)；Motor
(1) it is mounted on the upper end of seal box (2)；The upper seal box (2) include upper transmission shaft (201), upper bearing (metal) component (202) with
And upper mounting seat (204)；Upper bearing (metal) component (202) is fixedly mounted on the inside of upper mounting seat (204), and upper transmission shaft (201) is mounted on
On upper bearing (metal) component (202), first end cover (205) are equipped in the lower section of upper mounting seat (204), in first end cover (205) and upper
The first seal assembly (203) are equipped between transmission shaft (201)；The lower seal box (3) includes lower drive shaft (301), lower bearing
Component (302) and lower mounting seat (304)；Lower bearing component (302) is fixedly mounted on the inside of lower mounting seat (304), underdrive
Axis (301) is mounted on lower bearing component (302), second end cover (305) is equipped in the top of lower mounting seat (304), second
The second seal assembly (303) are equipped between end cap (305) and lower drive shaft (301), the shaft of motor (1) and upper transmission shaft
(201) it is fixedly connected, upper transmission shaft (201) connect with lower drive shaft (301).
2. a kind of groove milling machine actuating device according to claim 1, it is characterised in that: motor (1) and upper transmission shaft
(201) between and spline is all made of between upper transmission shaft (201) and lower drive shaft (301) to connect.
3. a kind of groove milling machine actuating device according to claim 1, which is characterized in that in first end cover (205) He Shangan
It fills and is equipped with " O " shape sealing ring between seat (204).
4. a kind of groove milling machine actuating device according to claim 1, it is characterised in that: the side wall in lower mounting seat (304)
It is equipped with warm and humid sensor (307).
5. a kind of groove milling machine actuating device according to claim 1, it is characterised in that: motor (1) and upper mounting seat
(204), end cap (205), the first seal assembly (203) and upper transmission shaft (201) form the first cavity (208)；In upper installation
Seat (204) side wall is equipped with fuel outlet (207), is additionally provided with the first by-pass prot (209) above upper mounting seat (204), by the of first
Through-hole (209) extends downwardly from the top of upper mounting seat (204) and is connected to the first cavity (208) with fuel outlet (207).
6. a kind of groove milling machine actuating device according to claim 1, it is characterised in that: lower mounting seat (304) and second end
It covers (305), the second seal assembly (303) and the first seal assembly (203) and forms the second cavity (309), in lower mounting seat
(304) it is offered on the second by-pass prot (308), the second by-pass prot (308) upwardly extends and the second cavity from lower mounting seat (304)
(309) it is connected to.
7. a kind of groove milling machine actuating device according to claim 6, it is characterised in that: in the bottom of upper transmission shaft (201)
Equipped with coding disk (206), coding disk (206) is located in the second cavity (309), the lower mounting seat in coding disk (206) side
(304) side wall is equipped with speed probe (306).
8. a kind of groove milling machine actuating device according to claim 7, which is characterized in that coding disk (206) and upper transmission shaft
(201) it is fixedly connected between bottom by holding screw or circlip.
9. a kind of groove milling machine actuating device according to claim 1, which is characterized in that the first end cover (205) and upper
Fixation is connected through a screw thread between mounting base (204) and between second end cover (305) and lower mounting seat (304).
10. a kind of groove milling machine actuating device according to claim 1, which is characterized in that be provided on lower mounting seat (304)
Detection mouth (310).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910119790.8A CN109854726B (en) | 2019-02-18 | 2019-02-18 | Driving device of slot milling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910119790.8A CN109854726B (en) | 2019-02-18 | 2019-02-18 | Driving device of slot milling machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109854726A true CN109854726A (en) | 2019-06-07 |
| CN109854726B CN109854726B (en) | 2024-04-30 |
Family
ID=66898118
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910119790.8A Active CN109854726B (en) | 2019-02-18 | 2019-02-18 | Driving device of slot milling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109854726B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111188378A (en) * | 2020-02-15 | 2020-05-22 | 陕西力明众创机电设备有限公司 | Novel milling and excavating machine |
Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005054923A (en) * | 2003-08-06 | 2005-03-03 | Kayaba Ind Co Ltd | Air pressure shock absorber |
| CN201513376U (en) * | 2009-05-08 | 2010-06-23 | 中国海洋石油总公司 | Composite sealing structure of hydraulic drive submersible pump |
| CN103147477A (en) * | 2013-04-09 | 2013-06-12 | 上海工程机械厂有限公司 | Cutting box of slot milling machine |
| CN103912401A (en) * | 2014-04-15 | 2014-07-09 | 力帆实业(集团)股份有限公司 | Combined lubricating oil line for right crankcase of tricycle |
| CN204019757U (en) * | 2014-07-14 | 2014-12-17 | 徐工集团工程机械股份有限公司 | Power-equipment, slotter drive unit and slotter |
| CN204553385U (en) * | 2015-02-11 | 2015-08-12 | 徐工集团工程机械股份有限公司 | Valve core of multiway valve, load sensing multi-way valve and excavator |
| CN204819963U (en) * | 2015-08-03 | 2015-12-02 | 蔡崇友 | Planer -type board undermining flat -bed machine |
| CN105328798A (en) * | 2014-07-14 | 2016-02-17 | 徐工集团工程机械股份有限公司 | Power equipment, slot milling machine driving device and slot milling machine |
| CN105436584A (en) * | 2014-07-14 | 2016-03-30 | 徐工集团工程机械股份有限公司 | Groove cutting machine drive unit and groove cutting machine |
| CN105888907A (en) * | 2016-06-03 | 2016-08-24 | 武汉理工大学 | Bypass one-way valve of double-fuel supply system of DME/diesel engine |
| CN106436798A (en) * | 2016-10-31 | 2017-02-22 | 徐州徐工基础工程机械有限公司 | Isolation type transmission box of double-wheel slot milling machine |
| CN206323253U (en) * | 2016-12-29 | 2017-07-11 | 佳木斯电机股份有限公司 | Sealing structure at a kind of A seating sliding bearing structure motor shaft insertion |
| CN107605695A (en) * | 2017-10-20 | 2018-01-19 | 徐工集团工程机械有限公司 | A kind of two-wheel flute milling machine slush pump drive device |
| CN108131387A (en) * | 2018-02-07 | 2018-06-08 | 徐工集团凯宫重工南京有限公司 | A kind of compound seal shield machine slip casting bearing packet |
| CN207740007U (en) * | 2017-12-05 | 2018-08-17 | 徐州徐工基础工程机械有限公司 | A kind of cantilevered rock tunnel(ling) machine hard rock cutting arm |
| CN209925576U (en) * | 2019-02-18 | 2020-01-10 | 江苏徐工工程机械研究院有限公司 | Slot milling machine driving device |
-
2019
- 2019-02-18 CN CN201910119790.8A patent/CN109854726B/en active Active
Patent Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005054923A (en) * | 2003-08-06 | 2005-03-03 | Kayaba Ind Co Ltd | Air pressure shock absorber |
| CN201513376U (en) * | 2009-05-08 | 2010-06-23 | 中国海洋石油总公司 | Composite sealing structure of hydraulic drive submersible pump |
| CN103147477A (en) * | 2013-04-09 | 2013-06-12 | 上海工程机械厂有限公司 | Cutting box of slot milling machine |
| CN103912401A (en) * | 2014-04-15 | 2014-07-09 | 力帆实业(集团)股份有限公司 | Combined lubricating oil line for right crankcase of tricycle |
| CN105436584A (en) * | 2014-07-14 | 2016-03-30 | 徐工集团工程机械股份有限公司 | Groove cutting machine drive unit and groove cutting machine |
| CN105328798A (en) * | 2014-07-14 | 2016-02-17 | 徐工集团工程机械股份有限公司 | Power equipment, slot milling machine driving device and slot milling machine |
| CN204019757U (en) * | 2014-07-14 | 2014-12-17 | 徐工集团工程机械股份有限公司 | Power-equipment, slotter drive unit and slotter |
| CN204553385U (en) * | 2015-02-11 | 2015-08-12 | 徐工集团工程机械股份有限公司 | Valve core of multiway valve, load sensing multi-way valve and excavator |
| CN204819963U (en) * | 2015-08-03 | 2015-12-02 | 蔡崇友 | Planer -type board undermining flat -bed machine |
| CN105888907A (en) * | 2016-06-03 | 2016-08-24 | 武汉理工大学 | Bypass one-way valve of double-fuel supply system of DME/diesel engine |
| CN106436798A (en) * | 2016-10-31 | 2017-02-22 | 徐州徐工基础工程机械有限公司 | Isolation type transmission box of double-wheel slot milling machine |
| CN206323253U (en) * | 2016-12-29 | 2017-07-11 | 佳木斯电机股份有限公司 | Sealing structure at a kind of A seating sliding bearing structure motor shaft insertion |
| CN107605695A (en) * | 2017-10-20 | 2018-01-19 | 徐工集团工程机械有限公司 | A kind of two-wheel flute milling machine slush pump drive device |
| CN207740007U (en) * | 2017-12-05 | 2018-08-17 | 徐州徐工基础工程机械有限公司 | A kind of cantilevered rock tunnel(ling) machine hard rock cutting arm |
| CN108131387A (en) * | 2018-02-07 | 2018-06-08 | 徐工集团凯宫重工南京有限公司 | A kind of compound seal shield machine slip casting bearing packet |
| CN209925576U (en) * | 2019-02-18 | 2020-01-10 | 江苏徐工工程机械研究院有限公司 | Slot milling machine driving device |
Non-Patent Citations (2)
| Title |
|---|
| 倪坤;冯艳秋;: "复杂地层的施工利器――徐工双轮铣槽机XTC80", 建筑机械, no. 06, 9 June 2018 (2018-06-09) * |
| 尚福利;张飞;: "一项提高挖掘机回转马达耐用性的改进方法", 工程机械与维修, no. 12, 10 December 2017 (2017-12-10) * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111188378A (en) * | 2020-02-15 | 2020-05-22 | 陕西力明众创机电设备有限公司 | Novel milling and excavating machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109854726B (en) | 2024-04-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206038317U (en) | Engine oil pump test bed | |
| CN204985666U (en) | Transaxle assembly with improve lubricating system | |
| CN106969881B (en) | Hub bearing immersion test device | |
| CN109854726A (en) | A kind of groove milling machine actuating device | |
| CN108036033B (en) | High-strength transparent fluid coupling device for PIV test | |
| CN206347097U (en) | A kind of special ZC1 types gear on worm reducer lubricating device of escalator | |
| CN205806431U (en) | A kind of modified model worm-gear speed reducer | |
| CN104500700B (en) | Streetcar gear transmission device | |
| CN209511070U (en) | Uncoiling gear-box | |
| CN101973385A (en) | Self-lubricating system for full rotational rudder propeller | |
| CN204772051U (en) | Shaft seal system | |
| CN203703068U (en) | Speed reducer rigid connecting flange assembly | |
| CN106168226B (en) | Axial-flow type cooling fan of the drive shaft with shoe cream room | |
| CN205618369U (en) | Hua longyi nuclear power technology uses and fills pump | |
| CN209925576U (en) | Slot milling machine driving device | |
| CN205298469U (en) | Gearbox before locomotive | |
| CN201144857Y (en) | Oil seal apparatus of oil lubrication centrifugal blower | |
| CN209196087U (en) | A kind of integral type retarder | |
| CN106949098A (en) | Vertical pipeline mounted pump | |
| CN207246380U (en) | A kind of vertical installation speed reducer of cooling tower | |
| CN207470372U (en) | A kind of two-wheel flute milling machine slush pump driving device | |
| CN208518956U (en) | A kind of thin oil formula lubrication water pump recharging oil device | |
| CN201872939U (en) | Self-lubricating system of full circle swinging steering oar | |
| CN205118136U (en) | Worm speed reducer | |
| CN206960052U (en) | A kind of experimental provision of the oil sealing slip of measurement in real time |
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 |