CN207315784U - Hydraulic pressure cylinder assembly and excavator - Google Patents
Hydraulic pressure cylinder assembly and excavator Download PDFInfo
- Publication number
- CN207315784U CN207315784U CN201721408760.1U CN201721408760U CN207315784U CN 207315784 U CN207315784 U CN 207315784U CN 201721408760 U CN201721408760 U CN 201721408760U CN 207315784 U CN207315784 U CN 207315784U
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- Prior art keywords
- sealing ring
- controller
- seal
- pressure
- hydraulic
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- Expired - Fee Related
Links
- 238000007789 sealing Methods 0.000 claims abstract description 101
- 239000012530 fluid Substances 0.000 claims abstract description 12
- 239000004020 conductor Substances 0.000 claims description 9
- 238000005516 engineering process Methods 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 6
- 239000010720 hydraulic oil Substances 0.000 description 5
- 238000012544 monitoring process Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001550 time effect Effects 0.000 description 1
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- Examining Or Testing Airtightness (AREA)
Abstract
Hydraulic transmission technology field is the utility model is related to, more particularly to a kind of hydraulic pressure cylinder assembly and excavator.The hydraulic pressure cylinder assembly includes：Hydraulic cylinder and package seal checker；Package seal checker includes seal, pressure-detecting device, controller and suggestion device；Hydraulic fluid port is provided with end cap；Sealing ring is disposed in end cap with seal, and sealing ring is between hydraulic fluid port and seal；Pressure-detecting device is connected with controller, and pressure-detecting device is used to detect the pressure signal between sealing ring and seal；Controller is used to according to pressure signal judge whether sealing ring fails, and sends the command signal whether sealing ring fail to suggestion device.Hydraulic pressure cylinder assembly provided by the utility model, by the cooperation of pressure-detecting device, controller and suggestion device, whether detectable sealing ring is in failure state, and user can learn the situation of sealing ring in time, when sealing ring is in failure state, user is timely fed back.
Description
Technical field
Hydraulic transmission technology field is the utility model is related to, more particularly to a kind of hydraulic pressure cylinder assembly and excavator.
Background technology
Hydraulic cylinder occupies significant proportion as executing agency in hydraulic machinery.Hydraulic cylinder includes cylinder barrel, piston, end
Lid and piston rod.Cylinder barrel one end open, and its openend is provided with end cap.Piston is arranged in cylinder barrel, one end of piston rod
It is also disposed in cylinder barrel, and the end is fixedly connected with the piston, the other end of piston rod stretches out cylinder barrel through end cap.Cylinder barrel is away from end
One end of lid is provided with the first hydraulic fluid port, and the second hydraulic fluid port connected with cylinder barrel is provided with end cap.Installation is spaced on the inner wall of end cap
There are sealing ring and dustband, piston rod is threaded through in sealing ring and dustband.
With continuing on for hydraulic cylinder, the reasons such as piston rod rubs repeatedly in sealing ring, since abrasion or foreign matter are scraped
The factors such as wound make the sealing function of hydraulic cylinder inner seal ring fail, and cause hydraulic cylinder to occur leaking and machine operation exception occurs
Or the failure such as oil leak.And maintenance personal can only investigate the resource such as hydraulic system related elements, labor intensive, material resources, financial resources one by one,
Hydraulic cylinder sealing cannot be fed back in time when failing.
Utility model content
The purpose of this utility model is to provide a kind of hydraulic pressure cylinder assembly and excavator, to solve hydraulic pressure of the prior art
The technical problem that cannot be fed back in time during cylinder seal failure.
The utility model provides a kind of hydraulic pressure cylinder assembly, which includes：Hydraulic cylinder and package seal checker；Institute
Stating hydraulic cylinder includes piston rod, end cap and sealing ring；The package seal checker includes seal, pressure-detecting device, control
Device and suggestion device processed；Hydraulic fluid port is provided with the end cap；The sealing ring is disposed on the end with the seal
In lid, and the sealing ring is between the hydraulic fluid port and the seal；The piston rod be threaded through the sealing ring with
In the seal；
The pressure-detecting device is connected with the controller, the pressure-detecting device be used for detect the sealing ring with
Pressure signal between the seal；The controller is used to judge whether the sealing ring loses according to the pressure signal
Effect, and send the command signal whether sealing ring fail to the suggestion device.
Further, the suggestion device includes display screen；
The display screen is connected with the controller, for showing that the controller makes what is sent after pressure signal judges
Command signal.
Further, the suggestion device includes monitor；
The monitor is connected with the controller, and the controller is used to send whether sealing ring loses to the monitor
The command signal of effect.
Further, the pressure-detecting device is arranged in the seal.
Further, the pressure-detecting device is connected by conductor wire with controller；The conductor wire is arranged on described
In seal.
Further, which further includes power supply unit；
Said supply unit is connected with the controller.
Further, said supply unit is arranged in the seal.
Further, the seal is sealing ring.
Further, the utility model provides a kind of excavator, which includes hydraulic cylinder described in the utility model
Component.
Further, which further includes engine and the power control system being connected with the engine；It is described
Power control system is connected with the controller, and the controller is used to control the power control according to the pressure signal received
System processed.
Hydraulic pressure cylinder assembly provided by the utility model includes hydraulic cylinder and package seal checker, and package seal checker includes close
Sealing, pressure-detecting device, controller and suggestion device, seal are arranged in end cap with sealing ring, and both sets
If the cavity of closing on the piston rod, is formed between sealing ring and seal.When hydraulic oil is entered in cylinder barrel by oil port, by
Different in the sealing performance of sealing ring, hydraulic oil can enter in the cavity between sealing ring and seal to some extent, so that
Cause the pressure change in the cavity different.That is, when the sealing performance of sealing ring is poor, sealing ring is in failure state
When, hydraulic oil can enter in the cavity in large quantities, so as to cause the pressure in the cavity larger.Pressure-detecting device detection sealing
Pressure signal between circle and seal, that is, the pressure signal of the cavity formed between above-mentioned sealing ring and seal is detected,
And the pressure signal is transmitted to controller, controller by the pressure signal compared with default value, when the pressure signal
During more than default value, illustrate that sealing ring is in failure state at this time, controller sends sealing ring to suggestion device and is in failure
The instruction of state.When the pressure signal is less than or equal to default value, illustrate that sealing ring is in normal condition, controller is sentenced
Break and sealing ring and be in normal condition, and the instruction that sealing ring is in normal condition is sent to suggestion device.
Hydraulic pressure cylinder assembly provided by the utility model, can by the cooperation of pressure-detecting device, controller and suggestion device
Detect whether sealing ring is in failure state, user can learn the situation of sealing ring in time, find the mistake of sealing ring in time
Effect state, that is, when sealing ring is in failure state, user is timely fed back, service engineer can first when
Between the accurate user experience for solving failure, making high quality.Meanwhile system design and control method are simple, it is easy to accomplish, have
Higher reliability, it need to only increase simple ancillary equipment on the basis of existing apparatus, you can realize.
Brief description of the drawings
The attached drawing for forming the part of the utility model is used to provide a further understanding of the present invention, this practicality is new
The schematic description and description of type is used to explain the utility model, does not form the improper restriction to the utility model.
In attached drawing：
Fig. 1 is the structure diagram according to the hydraulic pressure cylinder assembly of the utility model embodiment；
Fig. 2 is the partial structural diagram of the hydraulic pressure cylinder assembly shown in Fig. 1；
Fig. 3 is the schematic diagram of circuit in the hydraulic pressure cylinder assembly according to the utility model embodiment.
In figure：
1- hydraulic cylinders；2- package seal checkers；3- power control systems；
11- cylinder barrels；12- piston rods；13- end caps；
14- hydraulic fluid ports；15- sealing rings；16- dustbands；
21- seals；22- pressure-detecting devices；23- controllers；
24- display screens；25- monitors.
Embodiment
It should be noted that in the case where there is no conflict, the feature in embodiment and embodiment in the utility model can
To be mutually combined.The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in the description of the utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection；Can mechanically connect or be electrically connected；It can be directly connected, can also be indirectly connected by intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
Concrete meaning of the language in the utility model.
Fig. 1 is the structure diagram according to the hydraulic pressure cylinder assembly of the utility model embodiment；Fig. 2 is the hydraulic pressure shown in Fig. 1
The partial structural diagram of cylinder component；Fig. 3 is the schematic diagram of circuit in the hydraulic pressure cylinder assembly according to the utility model embodiment；Such as
Shown in Fig. 1 and Fig. 3, the utility model embodiment provides a kind of hydraulic pressure cylinder assembly, which includes：Hydraulic cylinder 1 and close
Seal detection device 2；Hydraulic cylinder 1 includes piston rod 12, end cap 13 and sealing ring 15；Package seal checker 2 include seal 21,
Pressure-detecting device 22, controller 23 and suggestion device；Hydraulic fluid port 14 is provided with end cap 13；Between sealing ring 15 and seal 21
Every being arranged in end cap 13, and sealing ring 15 is between hydraulic fluid port 14 and seal 21；Piston rod 12 is threaded through sealing ring 15
In seal 21；Pressure-detecting device 22 is connected with controller 23, pressure-detecting device 22 be used for detect sealing ring 15 with it is close
Pressure signal between sealing 21；Controller 23 is used to judge whether sealing ring 15 fails according to pressure signal, and is filled to prompting
Put and send the command signal whether sealing ring 15 fails.
The hydraulic pressure cylinder assembly that the utility model embodiment provides includes hydraulic cylinder 1 and package seal checker 2, sealing detection dress
Putting 2 includes seal 21, pressure-detecting device 22, controller 23 and suggestion device, and seal 21 is respectively provided with sealing ring 15
In end cap 13, and both are set on piston rod 12, and the cavity of closing is formed between sealing ring 15 and seal 21.Work as liquid
When pressure oil is entered in cylinder barrel 11 by hydraulic fluid port 14, since the sealing performance of sealing ring 15 is different, hydraulic oil can to some extent into
Enter in the cavity between sealing ring 15 and seal 21, so as to cause the pressure change in the cavity different.That is, work as sealing ring
When 15 sealing performance is poor, when sealing ring 15 is in failure state, hydraulic oil can enter in the cavity in large quantities, so as to cause
Pressure in the cavity is larger.Pressure-detecting device 22 detects the pressure signal between sealing ring 15 and seal 21, that is, inspection
The pressure signal of the cavity formed is surveyed between above-mentioned sealing ring 15 and seal 21, and the pressure signal is transmitted to controller
23, controller 23 compared with default value, when the pressure signal is more than default value, illustrates the pressure signal at this time
Sealing ring 15 is in failure state, and controller 23 sends the instruction that sealing ring 15 is in failure state to suggestion device.When the pressure
When force signal is less than or equal to default value, illustrate that sealing ring 15 is in normal condition, controller 23 judges sealing ring 15
The instruction that sealing ring 15 is in normal condition is sent in normal condition, and to suggestion device.
The hydraulic pressure cylinder assembly that the utility model embodiment provides, is filled by pressure-detecting device 22, controller 23 and prompting
Whether the cooperation put, detectable sealing ring 15 are in failure state, and user can learn the situation of sealing ring 15 in time, in time
It was found that the failure state of sealing ring 15, that is, when sealing ring 15 is in failure state, user is timely fed back,
Service engineer can accurately solve failure at the first time, make the user experience of high quality.Meanwhile system design and control method
Simply, it is easy to accomplish, there is higher reliability, it need to only increase simple ancillary equipment on the basis of existing apparatus, i.e.,
It can be achieved.
Preferably, pressure-detecting device 22 detects the pressure change rate of cavity, which refers to cavity internal pressure
The ratio of power changing value and pressure change time, and pressure change rate is transmitted to controller 23, controller 23 is according to receiving
Pressure change rate and default value relatively judge that sealing ring 15 is in failure or normal condition.
Suggestion device can be warning lamp, alarm etc..
Further, two mounting grooves are set respectively in end cap 13, and sealing ring 15 and seal 21 are separately mounted to one
In a mounting groove.
Pressure-detecting device 22 can be pressure sensor etc..
On the basis of above-described embodiment, further, suggestion device includes display screen 24；Display screen 24 and controller 23
Connection, the command signal sent after pressure signal judges is made for display controller 23.
In the present embodiment, suggestion device includes display screen 24, and the command signal after controller 23 will determine that is sent to display
Screen 24, so as to show on the display 24.
In the present embodiment, user can view the state that sealing ring 15 is normal or fails by display screen 24, convenient
User learns the use state of sealing ring 15.
On the basis of above-described embodiment, further, suggestion device includes monitor 25；Monitor 25 and controller 23
Connection, controller 23 are used for the command signal for sending sealing ring 15 to monitor 25 and whether failing.
In the present embodiment, after controller 23 makes the judgement whether sealing ring 15 fails, command signal is sent to monitoring
Device 25.User can watch corresponding situation by monitor 25.
On the basis of above-described embodiment, further, pressure-detecting device 22 is arranged in seal 21.
In the present embodiment, pressure-detecting device 22 is arranged in seal 21, saves the sky of the occupancy of package seal checker 2
Between, improve space availability ratio.
On the basis of above-described embodiment, further, pressure-detecting device 22 is connected by conductor wire with controller 23；
Conductor wire is arranged in seal 21.
In the present embodiment, pressure-detecting device 22 is connected by conductor wire with controller 23, and conductor wire is also disposed at
On seal 21, so as to further save space, the space availability ratio of the present apparatus is improved.
On the basis of above-described embodiment, further, which further includes power supply unit；Power supply unit and control
Device 23 processed connects.
In the present embodiment, hydraulic pressure cylinder assembly includes power supply unit, and power supply unit is connected with controller 23, to controller
23 power supplies.
In the present embodiment, powered by power supply unit to controller 23 so that controller 23 can obtain lasting power supply, protect
The usage time of the present apparatus has been demonstrate,proved, and has facilitated use of the user to the present apparatus.
On the basis of above-described embodiment, further, power supply unit is arranged in seal 21.
In the present embodiment, power supply unit is arranged in seal 21, further saves space, improves the sky of the present apparatus
Between utilization rate.
Further, dustband 16 is provided with end cap 13, seal 21 is between sealing ring 15 and dustband 16.
On the basis of above-described embodiment, further, seal 21 is sealing ring.
In the present embodiment, seal 21 is arranged to sealing ring, its is simple in structure, reduces production cost.
Preferably, pressure-detecting device 22, conductor wire and power supply unit are integrated in seal 21, are uniformly processed into one
Kind special seal circle, is conveniently installed and used.
On the basis of above-described embodiment, further, the utility model embodiment also provides a kind of excavator, the excavation
Machine includes such as hydraulic pressure cylinder assembly provided by the utility model.The principle of hydraulic pressure cylinder assembly is same as above, and details are not described herein.
On the basis of above-described embodiment, further, which further includes engine and is connected with engine dynamic
Force control system 3；Power control system 3 is connected with controller 23, and controller 23 is used for according to the pressure signal control received
Power control system 3.
In the present embodiment, whether controller 23 judges sealing ring 15 in the shape to fail according to the pressure signal received
Power control system 3 is controlled after state.That is, after controller 23 judges that sealing ring 15 is in failure state, controller 23 is controlled
Braking force controller 3 causes power control system 3 by engine stop.
In the present embodiment, after sealing ring 15 fails, the cooperation of controller 23 and power control system 3 can make hair rapidly in real time
Motivation stops, so as to avoid causing greater loss.
Preferably, after 23 signal processings received of controller compared with its preset value X and Y, wherein, Y is more than
X, the working status of sealing ring 15 is judged according to comparative result.
If the cavity internal pressure change rate n between the sealing ring 15 and seal 21 that detect is less than or equal to X, control
Device 23 processed judges that sealing ring 15 is in normal condition, while controller 23 sends 15 work of sealing ring to display screen 24 and monitoring system
Make normal instruction.
If n is more than X and n when being less than or equal to Y, the judgement sealing ring 15 of controller 23 is in failure state, controls at the same time
Device 23 sends the instruction of the failure of sealing ring 15 to display screen 24 and monitoring system, and report is shown on display screen 24 and monitoring system
Alert signal.
If n is more than Y, controller 23 judges that sealing ring 15 is in total failure mode, it is necessary to immediately treat, same to time control
Device 23 processed sends the instruction of the failure of sealing ring 15 to display screen 24 and monitoring system, and sends idling, halt instruction to engine.
The above is only the preferred embodiments of the present utility model only, is not intended to limit the utility model, all in this practicality
Within new spirit and principle, any modification, equivalent replacement, improvement and so on, should be included in the guarantor of the utility model
Within the scope of shield.
Claims (10)
- A kind of 1. hydraulic pressure cylinder assembly, it is characterised in that including：Hydraulic cylinder and package seal checker；The hydraulic cylinder includes piston rod, end cap and sealing ring；The package seal checker includes seal, pressure detecting fills Put, controller and suggestion device；Hydraulic fluid port is provided with the end cap；The sealing ring is disposed on institute with the seal State in end cap, and the sealing ring is between the hydraulic fluid port and the seal；The piston rod is threaded through the sealing In circle and the seal；The pressure-detecting device is connected with the controller, the pressure-detecting device be used for detect the sealing ring with it is described Pressure signal between seal；The controller is used to judge whether the sealing ring fails according to the pressure signal, and The command signal whether sealing ring fail is sent to the suggestion device.
- 2. hydraulic pressure cylinder assembly according to claim 1, it is characterised in that the suggestion device includes display screen；The display screen is connected with the controller, for showing that the controller makes the instruction sent after pressure signal judges Signal.
- 3. hydraulic pressure cylinder assembly according to claim 2, it is characterised in that the suggestion device includes monitor；The monitor is connected with the controller, and the controller is used to send what whether sealing ring failed to the monitor Command signal.
- 4. hydraulic pressure cylinder assembly according to claim 1, it is characterised in that the pressure-detecting device is arranged on the sealing In part.
- 5. hydraulic pressure cylinder assembly according to claim 4, it is characterised in that the pressure-detecting device passes through conductor wire and control Device connection processed；The conductor wire is arranged in the seal.
- 6. hydraulic pressure cylinder assembly according to claim 4, it is characterised in that further include power supply unit；Said supply unit is connected with the controller.
- 7. hydraulic pressure cylinder assembly according to claim 6, it is characterised in that said supply unit is arranged on the seal It is interior.
- 8. hydraulic pressure cylinder assembly according to claim 1, it is characterised in that the seal is sealing ring.
- 9. a kind of excavator, it is characterised in that including such as claim 1-8 any one of them hydraulic pressure cylinder assembly.
- 10. excavator according to claim 9, it is characterised in that further include engine and be connected with the engine Power control system；The power control system is connected with the controller, and the controller is used for according to the pressure signal control institute received State power control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721408760.1U CN207315784U (en) | 2017-10-27 | 2017-10-27 | Hydraulic pressure cylinder assembly and excavator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721408760.1U CN207315784U (en) | 2017-10-27 | 2017-10-27 | Hydraulic pressure cylinder assembly and excavator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207315784U true CN207315784U (en) | 2018-05-04 |
Family
ID=62379894
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721408760.1U Expired - Fee Related CN207315784U (en) | 2017-10-27 | 2017-10-27 | Hydraulic pressure cylinder assembly and excavator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207315784U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107763010A (en) * | 2017-10-27 | 2018-03-06 | 三重机有限公司 | Hydraulic pressure cylinder assembly and excavator |
-
2017
- 2017-10-27 CN CN201721408760.1U patent/CN207315784U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107763010A (en) * | 2017-10-27 | 2018-03-06 | 三重机有限公司 | Hydraulic pressure cylinder assembly and excavator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180504 |