CN206189499U - So manufacture is simple, - Google Patents
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- Publication number
- CN206189499U CN206189499U CN201621267916.4U CN201621267916U CN206189499U CN 206189499 U CN206189499 U CN 206189499U CN 201621267916 U CN201621267916 U CN 201621267916U CN 206189499 U CN206189499 U CN 206189499U
- Authority
- CN
- China
- Prior art keywords
- arm
- limiter
- angle sensor
- swing arm
- excavator
- 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.)
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Abstract
The utility model provides a so manufacture is simple, , and strong operability, low cost. The beneficial effect of the utility model: through swing arm angle sensor, the signal that big arm angle sensor combines torque limiter to pass back judges whether the swing arm atress exceeds the quata to decide, not only convey angle column in real time, the accuracy has been improved, again because cooperation torque limiter can be accurate, timely make the judgement that whether overloads, it is real -time with excavator arm of force angle, working radius, information such as real -time atress reflect for the excavator operator, the work ability who makes the excavator is in its design parameters within range safety, the efficient is utilized, thereby effectively avoid excavator and the operator to take place the incident.
Description
Technical field
The utility model is related to a kind of safety device for preventing excavator excess load, particularly a kind of excavator torque limitation
Device system.
Background technology
With the raising that people are required construction operation safety guarantee, Other Engineering is mechanical, such as truck crane, the tower such as straddle truck
Formula crane has a safety features limiter of moment of relative maturity, but due to excavator complex structure, work in itself
Make bad environments, effective scheme all the time reasonable for force moment protection all neither ones of excavator, country is not also right
Excavator forms a set of specification, therefore current excavator when using, particularly baroque excavator using limiter of moment
Use during, the limiter of moment that most of unit in charge of construction continues to use derrick crane is used, and the mechanical arm of excavator
Stress point is so single unlike derrick crane, therefore traditional single limiter of moment is to judging it is inaccurate whether excavator overloads
Really, not in time, the mechanical arm of excavator cannot be formed and is effectively protected, so as to cause excavator not to be protected.
Many excavator all operations by the sea now, and the salt fog on seashore is than more serious, salt fog is made to the main frame of excavator
Into corrode can cause whole excavator cannot operation, seriously corroded damage main frame inner member can also cause security incident, and
The wiring of existing main frame is mostly that the unification of electric wire boundling stranding is passed through by a routing hole, be arranged such need to find it is single
Bothered when certain single line, some electric wire boundling strandings are easily stirred in one, explanation when also being unfavorable for usually working, collection
The electric wire of beam stranding is also easily destroyed together, cannot be effectively protected.
Utility model content
Therefore the utility model proposes a kind of excavator torque limiter, to solve and judge overload not in prior art
Accurately, not in time, main frame easily forms the problem that potential safety hazard and electric wire cannot be protected effectively by salt air corrosion.
What the technical solution of the utility model was realized in：A kind of excavator torque limiter, including swing arm angle
Degree sensor, big arm angle sensor, power supply, alarm, limiter of moment, display, main frame；The swing arm angle sensor
Device, big arm angle sensor, power supply, limiter of moment, alarm, display are connected with main frame, the swing arm angle sensor
On swing arm, the big arm angle sensor, limiter of moment are in large arm, and the main frame, display, power supply are equal for device
In driver's cabin, the alarm is located on display, by swing arm angular transducer, the two angles of big arm angle sensor
Angle, amplitude that degree sensor can be gone out between swing arm and large arm with direct measurement, and the data that will be measured pass main frame back simultaneously
Display is shown in, the nominal angle with setting in main frame is compared, judges dynamic in combination with the signal that limiter of moment is passed back
Whether arm stress determine by excess, and angle-data is not only transmitted in real time, improves accuracy, and because cooperation limiter of moment can be with standard
Really, the judgement of overload is timely made whether, it is in real time that the information such as excavator arm of force angle, work range, real-time stress is anti-
Reflect to operators are excavated, make that the work capacity of excavator is safe and efficient in the range of its design parameter to be utilized, so as to have
Effect avoids excavator and operator that security incident occurs；The main frame includes body, 316L stainless steel layers, and the body includes bottom
The side wall of plate, upper lid, connecting bottom board and upper lid, the 316L stainless steel layers are covered in body exterior, and 316L stainless steels have excellent
Elegant corrosion resistance, the erosion of resistance to ocean and aggressivity industrial atmosphere, therefore the 316L stainless steel layers for being covered in body exterior can rise
Erosion of the smog to main frame, protects the safety work of excavator, it is to avoid security incident occurs when resistance seashore operation；The master
The side wall of machine is provided with swing arm angular transducer telltale hole, big arm angle sensor telltale hole, limiter of moment telltale hole, power supply
Hole, alarm hole, display hole, inside the electric wire subregion wiring of the different equipment of function, access host, convenient and swift, line
It is cable management science, orderly, it is effectively protected electric wire, while being ensured the safety work of excavator.
Further, big arm of digger includes the first large arm, the second large arm, and the end of the first large arm one is connected to excavator
On, the other end connects the second large arm, and described second large arm one end connects the first large arm, other end connection swing arm；The large arm angle
In the first large arm, the limiter of moment is in the second large arm for degree sensor；The swing arm angular transducer includes dynamic
Arm angle sensor body, the swing arm angular transducer output end on swing arm angular transducer body, the large arm angle
Sensor includes big arm angle sensor body, the big arm angle sensor signal output on big arm angle sensor body
End, the limiter of moment includes limiter of moment body, the limiter of moment signal output on limiter of moment body
End, the swing arm angular transducer signal output part, big arm angle sensor signal output part, limiter of moment signal output part
Towards driver's cabin.Swing arm angular transducer, big arm angle sensor are connected with main frame, and main frame sets in driver's cabin
Big arm angle sensor output end, swing arm angular transducer output end are counted towards excavator cab, cable can directly will be big
Arm angle sensor output end, swing arm angular transducer output end and main frame are attached, and cable will not be sent out in connection procedure
Raw turnover, protective effect is served to cable.
Further, buckle is set on the upper lid, the buckle is rectangular, the buckle corner sets up rounding knot separately
Structure.Buckle is conducive to quickly and easily removing lid, and the efficiency of staff can be improved in maintenance in maintenance and usually,
Buckle corner sets up rounding corner structure separately, protects staff not injured by sharp keen wedge angle.
By above disclosure, the beneficial effects of the utility model are：Passed by swing arm angular transducer, large arm angle
The signal that sensor combination limiter of moment is passed back judges swing arm stress, and whether excess is determined, and angle-data is not only transmitted in real time, improves
Accuracy, and because coordinating the limiter of moment can accurately, to be timely made whether the judgement of overload, in real time by excavator
The message reflections such as arm of force angle, work range, real-time stress make the work capacity of excavator be designed at it to operators are excavated
It is safe and efficient in parameter area to be utilized, there is security incident so as to be prevented effectively from excavator and operator；It is covered in body
Erosion of the smog to main frame when outside 316L stainless steel layers can play resistance seashore operation, the safety work of protection excavator
Industry, it is to avoid security incident occurs；Inside the electric wire subregion wiring of the different equipment of function, access host, convenient and swift, cable
It is management science, orderly, it is effectively protected electric wire, while being ensured the safety work of excavator.
Brief description of the drawings
Fig. 1 is the structured flowchart of the utility model excavator torque limiter.
Fig. 2 is the mounting structure signal of the big arm angle sensor of the utility model, swing arm angular transducer, limiter of moment
Figure.
Fig. 3 is the structural representation of the utility model main frame.
Fig. 4 is the top view of the utility model main frame.
Reference is as follows：
1 swing arm angular transducer, 1a swing arm angular transducer output ends, 1b swing arm angular transducer bodies, 2 large arm angles
Sensor, the big arm angle sensor signal output parts of 2a, the big arm angle sensor bodies of 2b, 3 limiters of moment, the limitation of 3a torques
Device signal output part, 3b limiter of moment bodies, 4 base plates are covered, 5a buckles, 5b rounding corner structures, 6 side walls, 6a swing arms angle on 5
Degree sensor signal hole, the big arm angle sensor telltale holes of 6b, 6c limiter of moment telltale holes, 6d power holes, 6e alarms hole,
6f displays hole, 7 316L stainless steel layers, 8 first large arm, 9 second large arm, 10 excavators, 11 swing arms, 12 driver's cabins.
Specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment for being obtained, belongs to the scope of the utility model protection.
As Figure 1-4, a kind of excavator torque limiter, including swing arm angular transducer 1, large arm angle sensor
Device 2, power supply, alarm, limiter of moment 3, display, main frame.
Referring to Fig. 2, the large arm includes the first large arm 8, the second large arm 9, and the end of the first large arm 8 one is connected to excavator 10
On, the other end connects the second large arm 9, and described one end of second large arm 9 connects the first large arm 8, and other end connection swing arm 11 is described dynamic
On swing arm 11, the big arm angle sensor 2 is located in the first large arm 8 arm angle sensor 1, the limiter of moment 3
In the second large arm 9, in driver's cabin, the alarm is on display for the main frame, display, power supply.
With continued reference to Fig. 2, the swing arm angular transducer 1 is including swing arm angular transducer body 1b, located at swing arm angle
Swing arm angular transducer output end 1a on sensor body 1b, the big arm angle sensor 2 includes big arm angle sensor
Body 2b, the big arm angle sensor signal output part 2a on big arm angle sensor body 2b, the limiter of moment 3
Limiter of moment signal output part 3a including limiter of moment body 3b, on limiter of moment body 3b, the swing arm
Angular transducer signal output part 1a, big arm angle sensor signal output part 2a, the equal courts of limiter of moment signal output part 3a
To driver's cabin 12, it is 45 ° that big arm angle sensor output end 2a and the first large arm 8 make an angle alpha, the output of swing arm angular transducer
End 1a is in that angle β is 70 ° with swing arm 11, so installs and ensure that the action of the motion of the first large arm 8 can be passed by large arm angle
Sensor 2 is measured, and ensure that the action of the motion of swing arm 11 passively arm angle sensor 1 can be measured, and measurement error error is small,
Hardware correction need not be carried out, problematic of precision need to slightly be adjusted on software, compensated, easy to use.
Referring to Fig. 3, the main frame includes body, 316L stainless steel layers 7, and the body includes rectangular base plate 4, rectangular
The side wall 6 of the upper lid 5 of shape, connecting bottom board 4 and upper lid 5, the 316L stainless steel layers 7 are covered in body exterior, referring to Fig. 4, institute
State and set that buckle 5a, the buckle 5a are rectangular on lid 5, tetra- jiaos of the buckle 5a sets up rounding corner structure 5b separately.
Referring to Fig. 3, the side wall 6 of the main frame is provided with swing arm angular transducer telltale hole 6a, big arm angle sensor letter
Number hole 6b, limiter of moment telltale hole 6c, power hole 6d, alarm hole 6e, display hole 6f, the swing arm angular transducer letter
Number output end 1a connects the input of main frame by swing arm angular transducer telltale hole 6a, and the big arm angle sensor signal is defeated
Go out to hold 2a that the input of main frame is connected by big arm angle sensor telltale hole 6b, the output end of the power supply passes through power hole 6d
The input of main frame is connected, the limiter of moment signal output part 3a connects the defeated of main frame by limiter of moment telltale hole 6c
Enter end, the input of the alarm connects the output end of main frame by alarm hole 6e, and the input of the display passes through
Display hole 6f is connected with the output end of main frame.In the present embodiment, the swing arm angular transducer telltale hole 6a, large arm angle are passed
Sensor signal hole 6b, limiter of moment telltale hole 6c, power hole 6d, the diameter of phi of alarm hole 6e are 13mm, the display
The diameter of phi of device hole 6f is 10mm.
When excavator works, measured by swing arm angular transducer, big arm angle sensor the two angular transducers
Angle, amplitude between swing arm and large arm, and limiter of moment institute feedack, pass main frame back and are judged whether to surpass by main frame
Load, when the angle between swing arm and large arm that angular transducer is surveyed is more than the nominal angle set in main frame, that is, judges
Be more than nominal load, alarm will alarm operating personnel, if operator continues to violation operation, main frame can send from
Move the locked signal terminating excavator arm of force toward danger direction operation, so as to protect excavator, in real time by excavator arm of force angle,
The message reflections such as work range, real-time stress make the work capacity of excavator in its design parameter scope to operators are excavated
It is interior it is safe and efficient be utilized, there is security incident so as to be prevented effectively from excavator and operator.
Finally illustrate, above example is only used to illustrate the technical solution of the utility model and unrestricted, although ginseng
The utility model has been described in detail according to preferred embodiment, it will be understood by those within the art that, can be to this
The technical scheme of utility model is modified or equivalent, without deviating from the objective and model of technical solutions of the utility model
Enclose, it all should cover in the middle of right of the present utility model.
Claims (3)
1. a kind of excavator torque limiter, it is characterised in that：Including swing arm angular transducer (1), large arm angle sensor
Device (2), power supply, alarm, limiter of moment (3), display, main frame；
The swing arm angular transducer (1), big arm angle sensor (2), power supply, limiter of moment (3), alarm, display
It is connected with main frame, on swing arm (11), the big arm angle sensor (2), torque are limited the swing arm angular transducer (1)
In large arm, in driver's cabin, the alarm is located at display to device (3) processed for the main frame, display, power supply
On；
The main frame includes body, 316L stainless steel layers (7), and the body includes base plate (4), upper lid (5), connecting bottom board (4)
With the side wall (6) of upper lid (5), the 316L stainless steel layers (7) are covered in body exterior；
The side wall (6) of the main frame be provided with swing arm angular transducer telltale hole (6a), big arm angle sensor telltale hole (6b),
Limiter of moment telltale hole (6c), power hole (6d), alarm hole (6e), display hole (6f).
2. a kind of excavator torque limiter as claimed in claim 1, it is characterised in that：The large arm includes that first is big
Arm (8), the second large arm (9), the end of first large arm (8) are connected on excavator (10), and the other end connects the second large arm (9),
Described second large arm (9) one end connects the first large arm (8), and the other end connects swing arm (11)；
In the first large arm (8), the limiter of moment (3) is located at the second large arm (9) for the big arm angle sensor (2)
On；
The swing arm angular transducer (1) is including swing arm angular transducer body (1b), located at swing arm angular transducer body
Swing arm angular transducer output end (1a) on (1b), the big arm angle sensor (2) includes big arm angle sensor body
(2b), the big arm angle sensor signal output part (2a) on big arm angle sensor body (2b), the torque limitation
Device (3) includes limiter of moment body (3b), the limiter of moment signal output part on limiter of moment body (3b)
(3a), the swing arm angular transducer signal output part (1a), big arm angle sensor signal output part (2a), limiter of moment
Signal output part (3a) is towards driver's cabin (12).
3. a kind of excavator torque limiter as claimed in claim 1, it is characterised in that：Button is set on the upper lid (5)
Plate (5a), the buckle (5a) is rectangular, and buckle (5a) corner sets up rounding corner structure (5b) separately.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621267916.4U CN206189499U (en) | 2016-11-23 | 2016-11-23 | So manufacture is simple, |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621267916.4U CN206189499U (en) | 2016-11-23 | 2016-11-23 | So manufacture is simple, |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206189499U true CN206189499U (en) | 2017-05-24 |
Family
ID=58723762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621267916.4U Expired - Fee Related CN206189499U (en) | 2016-11-23 | 2016-11-23 | So manufacture is simple, |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206189499U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110709563A (en) * | 2017-10-04 | 2020-01-17 | 株式会社小松制作所 | Work machine, system including work machine, and control method for work machine |
-
2016
- 2016-11-23 CN CN201621267916.4U patent/CN206189499U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110709563A (en) * | 2017-10-04 | 2020-01-17 | 株式会社小松制作所 | Work machine, system including work machine, and control method for work machine |
| CN110709563B (en) * | 2017-10-04 | 2021-07-09 | 株式会社小松制作所 | Work machine, system including work machine, and control method for work machine |
| US11346084B2 (en) | 2017-10-04 | 2022-05-31 | Komatsu Ltd. | Work machine, system including work machine, and method for controlling work machine |
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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 |
Granted publication date: 20170524 Termination date: 20191123 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |