CN109026908A - A kind of municipal works hydraulic station - Google Patents
A kind of municipal works hydraulic station Download PDFInfo
- Publication number
- CN109026908A CN109026908A CN201811007164.1A CN201811007164A CN109026908A CN 109026908 A CN109026908 A CN 109026908A CN 201811007164 A CN201811007164 A CN 201811007164A CN 109026908 A CN109026908 A CN 109026908A
- Authority
- CN
- China
- Prior art keywords
- protection cabinet
- support
- stop collar
- hydraulic station
- municipal works
- 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
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/008—Reduction of noise or vibration
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F2238/00—Type of springs or dampers
- F16F2238/02—Springs
- F16F2238/026—Springs wound- or coil-like
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Fluid Mechanics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
- Loading And Unloading Of Fuel Tanks Or Ships (AREA)
Abstract
The invention discloses a kind of municipal works hydraulic stations, including protection cabinet, support construction, case lid, first spring assembly, second spring component, support construction includes the arcuate structure stop collar of support plate and the opening upwards being mounted below support plate, it is corresponded on the inner wall of protection cabinet two sides at stop collar end positions and is provided with guide groove, stop collar both ends are inserted into guide groove, the inclined plate of guide groove is provided perpendicular in the inner wall of protection cabinet two sides, hydraulic device is mounted below ground entirely through protection cabinet by the present invention, save space, it does not affect the appearance, pass through the design of case lid simultaneously, convenient for observing the registration of each function dial plate, and it is convenient for adjusting control valve group, suitable for the engineering that there is landscape requirement in city；By the way that spring buffer component is arranged, reduces the shockproofness in driving motor operational process, by the stop collar of arcuate structure, reduce abrasion caused by discontinuity, extend the service life of equipment.
Description
Technical field
The present invention relates to municipal works technical field, espespecially a kind of municipal works hydraulic station.
Background technique
Hydraulic station is the hydraulic power source being made of hydraulic pump, drive motor, fuel tank, direction valve, throttle valve, overflow valve etc.
Device or the hydraulic device including control valve.By the flow direction of driving device requirement, pressure and flow fuel feeding, it is suitable for driving
Device separated with hydraulic station it is various mechanically hydraulic station is connected with driving device (oil cylinder or motor) with oil pipe, hydraulic pressure system
Various defined movements can be realized in system.When the work of hydraulic station, motor drives oil pump rotation, and pump is beaten after oil suction in fuel tank
Oil, converts mechanical energy to the pressure energy of hydraulic oil, hydraulic oil by integrated package (or valve group conjunction) by hydraulic valve realize direction,
Pressure, flow are transferred in the oil cylinder or oil motor of hydraulic machinery after adjusting through external pipeline, to control hydraulic motor direction
Transformation, the size of strength and the speed of speed, push various hydraulic machineries to do work.Hydraulic station is independent hydraulic device, it
By driving device requirement fuel feeding, and direction, pressure and the flow of oil stream are controlled, it is suitable for host and hydraulic device is separable
Under various hydraulic machineries, it is driven by a motor oil pump rotation, pump is bought oil after oil suction in fuel tank, converts hydraulic oil for mechanical energy
Pressure energy.
Various forms of hydraulic stations are needed to work in municipal works, therefore hydraulic station is widely used in road and its
In his various urban operating mechanisms.Municipal works find in hydraulic station use, at work due to the operation for needing motor come into
The control of row overall work, therefore the vibration generated in motor operation will lead to single unit system damage, use the longevity so as to cause it
Life reduces；Some hydraulic stations for adding buffer unit the phenomenon that support plate is easy to appear damage in use, lead to city
Political and ideological work journey hydraulic station can not normal use, the efficiency of work is reduced, and since equipment overall weight is uneven, so that buffering
Component unbalance stress, the degree of wear are serious；Hydraulic station volume is larger simultaneously, builds on ground, not being suitable for city has landscape to want
In the engineering asked.
Summary of the invention
The technical problem to be solved by the present invention is to the hydraulic station service life in existing municipal works is short, Buffer Unit by
Power is uneven, and construction influences beauty more than ground, a kind of municipal works hydraulic station is now provided, to solve the above problems.
In order to solve the above-mentioned technical problems, the present invention provides the following technical solutions:
The present invention provides a kind of municipal works hydraulic station, including protection cabinet, support construction, and support construction is arranged in protective housing
Internal portion, support construction include the arcuate structure stop collar of support plate and the opening upwards being mounted below support plate, protective housing
The guide groove for being provided at stop collar end positions and being adapted to stop collar both ends radian, stop collar two are corresponded on the inner wall of body two sides
In end insertion guide groove, it is provided with vertically in guide groove far from one end inside protection cabinet in the inner wall of protection cabinet two sides
The first spring assembly is connected between the inclined plate of guide groove, stop collar both ends and inclined plate；
Fuel tank is installed, both ends are separately installed with driving motor and control valve group above fuel tank, in driving on fuel tank in support plate
It is provided with mounting base between motor and control valve group, several support rods, difference above each support rod are vertically installed in mounting base
It fixes a function dial plate, case lid is equipped with by hinge on protection cabinet, is provided at corresponding function dial plate position on case lid
First through hole corresponds to and is provided with the second through-hole at control valve group position, and one end is provided with fixed board, installation in fixed board on the second through-hole
There is slip lid, slip lid one end is slided in fixed board, and the other end slides on the second through-hole wall；
Three support columns are arranged in support plate bottom interval, and sliding slot is provided in the middle part of stop collar, and support column passes through sliding slot insertion protection
In the fixing seat of the U-typed structure of bottom of box setting, connected between support column and fixing seat by second spring component.
As a preferred technical solution of the present invention, the support plate and stop collar of support construction are an integral molding structure.
As a preferred technical solution of the present invention, support rod is hollow structure, through having and menu in support rod
The conducting wire of disk connection.
As a preferred technical solution of the present invention, the handle for the structure that is recessed inwardly is provided on slip lid.
As a preferred technical solution of the present invention, one end on case lid far from hinge is provided with latch closure, protection cabinet
On be provided with the buckle being adapted to latch closure.
As a preferred technical solution of the present invention, when case lid is closed, the function dial plate of each support bar top passes through the
One through-hole is placed in outside case lid.
As a preferred technical solution of the present invention, protection cabinet opening is set as outside turnover structure.
The beneficial effects obtained by the present invention are as follows being: the present invention by hydraulic device entirely through protection cabinet be mounted on ground with
Under, space is saved, is not affected the appearance, while by the design of case lid, convenient for observing the registration of each function dial plate, and convenient for adjusting
Control valve group is saved, suitable for the engineering that there is landscape requirement in city；By the way that spring buffer component is arranged, reduce driving motor
Shockproofness in operational process is reduced abrasion caused by discontinuity, is extended and set by the stop collar of arcuate structure
Standby service life.
Detailed description of the invention
Attached drawing is used to provide further understanding of the present invention, and constitutes part of specification, with reality of the invention
It applies example to be used to explain the present invention together, not be construed as limiting the invention.
In the accompanying drawings:
Fig. 1 is overall structure of the present invention；
Fig. 2 is the schematic enlarged-scale view of part A in Fig. 1 of the present invention；
Fig. 3 is case lid overall structure diagram of the present invention；
Fig. 4 is the sliding groove structure schematic diagram on stop collar of the present invention；
Figure label: 1, protection cabinet；2, support construction；3, support plate；4, stop collar；5, guide groove；6, inclined plate；7, first
Spring assembly；8, fuel tank；9, driving motor；10, control valve group；11, mounting base；12, support rod；13, function dial plate；14, it cuts with scissors
Chain；15, case lid；16, first through hole；17, the second through-hole；18, fixed board；19, slip lid；20, handle；21, latch closure；22, it buckles；
23, support column；24, sliding slot；25, fixing seat；26, second spring component.
Specific embodiment
Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings, it should be understood that preferred reality described herein
Apply example only for the purpose of illustrating and explaining the present invention and is not intended to limit the present invention.
In the description of the present invention, it should be noted that the orientation of the instructions such as term "vertical", "upper", "lower", "horizontal"
Or positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description of the present invention and simplification of the description, and
It is not that the device of indication or suggestion meaning or element must have a particular orientation, be constructed and operated in a specific orientation, therefore
It is not considered as limiting the invention.
In the description of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " setting ",
" installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be fixedly connected, may be a detachable connection or one
Connect to body；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be indirect by intermediary
It is connected, can be the connection inside two elements.For the ordinary skill in the art, it can manage as the case may be
Solve the concrete meaning of above-mentioned term in the present invention.
Embodiment: as shown in Figs 1-4, the present invention provides a kind of municipal works hydraulic station, including protection cabinet 1, support
Structure 2, support construction 2 are arranged inside protection cabinet 1, and support construction 2 includes support plate 3 and is mounted below support plate 3
The arcuate structure stop collar 4 of opening upwards corresponds on 1 two sides inner wall of protection cabinet and is provided with and limits at 4 end positions of stop collar
The guide groove 5 of position 4 both ends radian of ring adaptation, 4 both ends of stop collar are inserted into guide groove 5, in 1 two sides inner wall of protection cabinet in
Guide groove 5 is provided perpendicular to the inclined plate 6 of guide groove 5 far from one end inside protection cabinet 1,4 both ends of stop collar and tiltedly
The first spring assembly 7 is connected between plate 6；
Fuel tank 8 is installed, 8 top both ends of fuel tank are separately installed with driving motor 9 and control valve group 10, on fuel tank 8 in support plate 3
It is provided with mounting base 11 between driving motor 9 and control valve group 10, several support rods 12 are vertically installed, respectively in mounting base 11
A function dial plate 13 is fixed in the top of support rod 12 respectively, is equipped with case lid 15 by hinge 14 on protection cabinet 1, on case lid 15
It is provided with first through hole 16 at 13 position of corresponding function dial plate, is provided with the second through-hole 17 at corresponding 10 position of control valve group, the
One end is provided with fixed board 18 on two through-holes 17, slip lid 19 is equipped in fixed board 18,19 one end of slip lid is slided in fixed board 18, another
It is slided on 17 inner wall of the second through-hole at end；
Three support columns 23 are arranged in 3 bottom interval of support plate, and sliding slot 24 is provided in the middle part of stop collar 4, and support column 23 passes through sliding slot
In the fixing seat 25 of the U-typed structure of 24 insertion 1 bottom of protection cabinet settings, pass through second between support column 23 and fixing seat 25
Spring assembly 26 connects.
Preferably, the support plate 3 of support construction 2 and stop collar 4 are an integral molding structure, and stable structure is secured, and support is made
With strong；Support rod 12 is hollow structure, and running through in support rod 12 has the conducting wire connecting with function dial plate 13, protection circuit；Slip lid
It is provided with the handle 20 for the structure that is recessed inwardly on 19, saves space, convenient for operation；One end on case lid 15 far from hinge 14 is arranged
There is latch closure 21, the buckle 22 being adapted to latch closure 21 is provided on protection cabinet 1, convenient for passing through latch closure 21 when everyday devices use
It is with the cooperation of buckle 22 that case lid 15 is closed and locked, protect internal unit；When case lid 15 is closed, the function at each 12 top of support rod
Dial plate 13 passes through first through hole 16 and is placed in outside case lid 15, convenient for the data of hydraulic station are observed and monitored at any time；Protection
1 opening of cabinet is set as outside turnover structure, convenient for 1 internal unit of protection cabinet to be preferably isolated with outside, protects
Internal unit is protected, is prolonged the service life.
Working principle: in use, digging the hole of suitable dimension on the ground, protection cabinet 1 is placed in hole, bending place is made
Bottom with ground face contact, then hydraulic device is mounted in the support plate 3 in protection cabinet 1 just, passes through latch closure 20 and buckle
21 is closed and locked by case lid 15.When driving motor 9 is run, three support columns 23 are arranged in 3 bottom interval of support plate, and support column 23 is worn
It crosses in the fixing seat 25 for the U-typed structure that sliding slot 24 is inserted into the setting of 1 bottom of protection cabinet, leads between support column 23 and fixing seat 25
The connection of second spring component 26 is crossed, second spring component 26 buffers vertical motion and pressure in time, reduces the damage of equipment；Arc
Structure stop collar 4 is inserted into the guide groove 5 of 1 two sides of protection cabinet, separate in guide groove 5 in 1 two sides inner wall of protection cabinet
One end inside protection cabinet 1 is provided perpendicular to the inclined plate 6 of guide groove 5, is connected between 4 both ends of stop collar and inclined plate 6
First spring assembly 7, when support construction 2 is longitudinally shaken or generates offset because of unbalance stress, the of 4 both ends of stop collar
One spring assembly 7 is restricted and is buffered to support construction 2, while support column 23 passes through the sliding slot 24 being arranged in the middle part of stop collar 4
Stop collar 4 is oriented to and is limited, the abrasion of support construction 2 and the shockproofness of hydraulic device are reduced.
Hydraulic device is mounted below ground entirely through protection cabinet by the present invention, is saved space, is not affected the appearance, together
When by the design of case lid, convenient for observing the registration of each function dial plate, and be convenient for adjusting control valve group, have scape suitable for city
It sees in desired engineering；By the way that spring buffer component is arranged, reduces the shockproofness in driving motor operational process, pass through
The stop collar of arcuate structure reduces abrasion caused by discontinuity, extends the service life of equipment.
Finally, it should be noted that these are only the preferred embodiment of the present invention, it is not intended to restrict the invention, although
Present invention has been described in detail with reference to the aforementioned embodiments, for those skilled in the art, still can be right
Technical solution documented by foregoing embodiments is modified or equivalent replacement of some of the technical features.It is all
Within the spirit and principles in the present invention, any modification, equivalent replacement, improvement and so on should be included in protection of the invention
Within the scope of.
Claims (7)
1. a kind of municipal works hydraulic station, which is characterized in that including protection cabinet (1), support construction (2), support construction (2)
Setting is internal in protection cabinet (1), and support construction (2) includes support plate (3) and the opening upwards that are mounted below support plate (3)
Arcuate structure stop collar (4), correspond on the inner wall of protection cabinet (1) two sides and be provided with and limit at stop collar (4) end positions
The guide groove (5) of ring (4) both ends radian adaptation, stop collar (4) both ends are inserted into guide groove (5), protection cabinet (1) two sides
It is provided perpendicular to the inclined plate (6) of guide groove (5) in inner wall far from protection cabinet (1) internal one end in guide groove (5),
The first spring assembly (7) are connected between stop collar (4) both ends and inclined plate (6)；
It is equipped in support plate (3) fuel tank (8), both ends are separately installed with driving motor (9) and control valve group above fuel tank (8)
(10), mounting base (11) are provided on fuel tank (8) between driving motor (9) and control valve group (10), are erected in mounting base (11)
To being equipped with several support rods (12), a function dial plate (13) is fixed above each support rod (12) respectively, on protection cabinet (1)
It is equipped with case lid (15) by hinge (14), is provided with first through hole at corresponding function dial plate (13) position on case lid (15)
(16), it is provided with the second through-hole (17) at corresponding control valve group (10) position, one end is provided with fixed board on the second through-hole (17)
(18), it is equipped with slip lid (19) in fixed board (18), the sliding in fixed board (18) of slip lid (19) one end, the other end is in the second through-hole
(17) it is slided on inner wall；
Three support columns (23) are arranged in support plate (3) bottom interval, are provided with sliding slot (24), support column in the middle part of stop collar (4)
(23) pass through sliding slot (24) insertion protection cabinet (1) bottom setting U-typed structure fixing seat (25) in, support column (23) with
It is connected between fixing seat (25) by second spring component (26).
2. a kind of municipal works hydraulic station according to claim 1, which is characterized in that the support plate of support construction (2)
(3) it is an integral molding structure with stop collar (4).
3. a kind of municipal works hydraulic station according to claim 1, which is characterized in that support rod (12) is hollow knot
Structure, through there is the conducting wire connecting with function dial plate (13) in support rod (12).
4. a kind of municipal works hydraulic station according to claim 1, which is characterized in that be provided on slip lid (19) inwardly
The handle (20) of sunk structure.
5. a kind of municipal works hydraulic station according to claim 1, which is characterized in that far from hinge on case lid (15)
(14) one end is provided with latch closure (21), and the buckle (22) being adapted to latch closure (21) is provided on protection cabinet (1).
6. a kind of municipal works hydraulic station according to claim 1, which is characterized in that when case lid (15) is closed, each
Function dial plate (13) at the top of strut (12) passes through first through hole (16) and is placed in case lid (15) outside.
7. a kind of municipal works hydraulic station according to claim 1, which is characterized in that protection cabinet (1) opening is set
It is set to outside turnover structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811007164.1A CN109026908B (en) | 2018-08-31 | 2018-08-31 | Hydraulic pressure station for municipal works |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811007164.1A CN109026908B (en) | 2018-08-31 | 2018-08-31 | Hydraulic pressure station for municipal works |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109026908A true CN109026908A (en) | 2018-12-18 |
| CN109026908B CN109026908B (en) | 2022-02-08 |
Family
ID=64626554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811007164.1A Active CN109026908B (en) | 2018-08-31 | 2018-08-31 | Hydraulic pressure station for municipal works |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109026908B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10010776A1 (en) * | 2000-03-04 | 2001-09-06 | Mannesmann Rexroth Ag | Pressure medium container in a hydraulic assembly has a lower fixed wall and a movable inner wall with a spring component between them in a hermetic seal to maintain a constant overpressure with any medium volume |
| WO2013123794A1 (en) * | 2012-02-23 | 2013-08-29 | 湖南三一智能控制设备有限公司 | Pressure-maintained hydraulic oil tank |
| CN207059760U (en) * | 2017-06-23 | 2018-03-02 | 宝沃汽车（中国）有限公司 | Fuel tank protection device and there is its vehicle |
| CN207470528U (en) * | 2017-09-13 | 2018-06-08 | 梅照付 | A kind of municipal works hydraulic station |
| CN108423105A (en) * | 2018-04-20 | 2018-08-21 | 江苏长川科技有限公司 | A kind of damping fuel tank |
-
2018
- 2018-08-31 CN CN201811007164.1A patent/CN109026908B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10010776A1 (en) * | 2000-03-04 | 2001-09-06 | Mannesmann Rexroth Ag | Pressure medium container in a hydraulic assembly has a lower fixed wall and a movable inner wall with a spring component between them in a hermetic seal to maintain a constant overpressure with any medium volume |
| WO2013123794A1 (en) * | 2012-02-23 | 2013-08-29 | 湖南三一智能控制设备有限公司 | Pressure-maintained hydraulic oil tank |
| CN207059760U (en) * | 2017-06-23 | 2018-03-02 | 宝沃汽车（中国）有限公司 | Fuel tank protection device and there is its vehicle |
| CN207470528U (en) * | 2017-09-13 | 2018-06-08 | 梅照付 | A kind of municipal works hydraulic station |
| CN108423105A (en) * | 2018-04-20 | 2018-08-21 | 江苏长川科技有限公司 | A kind of damping fuel tank |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109026908B (en) | 2022-02-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101522521B (en) | Vibration-attenuating hard-mounted pylon | |
| CN113279510B (en) | Wind-resistant connecting assembly for assembling glass curtain wall | |
| CN109026908A (en) | A kind of municipal works hydraulic station | |
| CN2463453Y (en) | Shock isolating independent pile platform | |
| CN102180186A (en) | Pneumatic car arrester | |
| CN211018732U (en) | Support fixed knot and construct and photovoltaic tracking installing the system | |
| CN111106793A (en) | Support fixed knot and construct and photovoltaic tracking installing the system | |
| CN110077594B (en) | Unmanned aerial vehicle carries three-dimensional scanner | |
| CN109990099A (en) | A kind of high pressure air governor bacterium valve | |
| CN208806563U (en) | A kind of buffering safeguard against pressure of the pipeline routes for power construction | |
| CN109142804A (en) | A kind of Split type machine box for oscillograph | |
| CN208331113U (en) | A kind of section of flexible disk mounting ring | |
| CN211624342U (en) | High-pressure pneumatic ventilation butterfly valve | |
| CN209414075U (en) | Driving mechanism and compressor with it | |
| CN103089519A (en) | Water guide structure of flow-through turbine | |
| CN107763137B (en) | Vibration absorber, lifting mechanism and lorry-mounted crane | |
| CN209340462U (en) | A kind of novel transfer case | |
| CN208778574U (en) | A kind of servo-driver antihunting protection | |
| CN201145763Y (en) | Machinery positioning device for controlling speculum rapidly | |
| CN216479268U (en) | Integrated form tee bend ball valve | |
| CN206094651U (en) | Compressor tail -hood and compressor | |
| CN219954728U (en) | Plunger pump with shock-absorbing function | |
| CN208569412U (en) | A kind of liquid level control display instrument | |
| CN111980894A (en) | Balance adjusting device and beam-pumping unit with same | |
| CN216768600U (en) | Anti-seismic structure of hardware sleeve |
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 |