CN1773027B - Locking rod releasing preventing device for engineering construction machinery - Google Patents
Locking rod releasing preventing device for engineering construction machinery Download PDFInfo
- Publication number
- CN1773027B CN1773027B CN2004100909311A CN200410090931A CN1773027B CN 1773027 B CN1773027 B CN 1773027B CN 2004100909311 A CN2004100909311 A CN 2004100909311A CN 200410090931 A CN200410090931 A CN 200410090931A CN 1773027 B CN1773027 B CN 1773027B
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- securing rod
- fastening
- principal part
- preventing device
- fastening member
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Abstract
The present invention provides a device which can be used for reliably preventing locking lever of engineering building machinery from being released so as to attain the goal of preventing the engineering building machinery from being stolen. It is characterized by that said locking lever is equipped with a special-purpose matched key. Only said special-purpose key can be used for releasing the locking mechanism of said locking lever, otherwise, said locking lever can not be turned to its application position.
Description
Technical field
The present invention relates generally to the securing rod releasing preventing device that prevents that construction machine is stolen.
Background technology
On the such construction machine of original hydraulic crawler excavator, as patent documentation 1: the fluctuating of getting on or off the bus mouthful of described in No. 2567720 communique of Japan Patent, be provided with blocking, opening the driver's seat side is got on or off the bus freely and is used bar.
The construction machinery of recording and narrating in the aforementioned patent document has when being arranged on respect to driver's seat up and down in the left and right sides of driver's seat to opening position that get on or off the bus mouthful position and blocking get on or off the bus mouthful the construction mechanism with bar of getting on or off the bus freely that rises and falls.
Aforementioned getting on or off the bus used bar, and between the hydraulic control operating means of operation construction machinery and the guiding valve interlock of the operation stop device between the hydraulic power source, have only on being sitting in driver's seat the operator about get on or off the bus when all operating the position that blocking gets on or off the bus mouthful with bar, guiding valve just is connected, could supply with the pressure oil of control usefulness from hydraulic power source to the hydraulic control operating means, thus, can be by hydraulic control operating means control construction machinery.
In addition, as same device, when carrying out up and down with respect to driver's seat, can turn to the use location to the control cabinet of the side that is arranged on driver's seat and lift the position also is that well-known (for example patent documentation 2: TOHKEMY 2000-179005 communique).
In the fastening mechanism of construction machine described in the aforementioned TOHKEMY 2000-179005 communique with control cabinet, can make the control cabinet of the side that is arranged on driver's seat turn to the use location and lift the position with bar with getting on or off the bus, when the operator on being sitting in driver's seat turns to the use location to control cabinet, auxiliary switch in the control cabinet is connected, and construction machine can turn round.
; in No. 2567720 communique of aforementioned Japanese patent and the described construction machine of TOHKEMY 2000-179005 communique; after the operator is sitting on the driver's seat; operate the lap position of the mouth of getting on or off the bus with bar getting on or off the bus; could begin the running of construction machine when control cabinet is turned to the use location, this is that purpose is provided with the safety of guaranteeing the operator.
For this reason, owing to the occasion in not specific majority's operation, so the construction machine that also can turn round is stolen without any effect for the construction machine that prevents to take place frequently in recent years.
In addition, stolen in order to prevent construction machine, also taked fixedly to get on or off the bus with bar or control cabinet and made their immotile countermeasures by chain lock or tapered end, owing to need append processing to construction machine with this method, so the construction machine that can implement is restricted, there is the problem that will spend cost on transforming.
Summary of the invention
The present invention makes in order to improve original problem, the objective of the invention is to, and the securing rod releasing preventing device of the construction machine that can prevent reliably that construction machine is stolen is provided.
In order to reach aforementioned purpose, the securing rod releasing preventing device of construction machine of the present invention, comprise securing rod, when this securing rod is arranged on the use location of getting on or off the bus mouthful of side of driver's seat in blocking, the locking of the hydraulic pressure of each one is sent in releasing from hydraulic power source, and when having lifted upward in order to open aforementioned get on or off the bus mouthful, the hydraulic pressure that is sent to each one from hydraulic power source is locked, each one can not be moved, by on securing rod, being provided with securing rod is remained on the use location and lifts the fastening member of position, and, prevent that securing rod is rotated the use location by moving of the fastening pin that relatively moves in the gathering sill of locking mechanism prevention on being formed at the fastening member.
Aforementioned formation even want that securing rod turned to the use location and remove the locking of hydraulic pressure, just can not turn to securing rod on the use location as long as need not specific key unload locking mechanism, so can prevent reliably that construction machine is stolen.
In addition, because as long as locking mechanism is installed just can be prevented that construction machine is stolen securing rod being remained on the use location and lift on the locational fastening member, so can irrespectively use aforementioned means with machine of construction machine etc., simultaneously owing to do not need to the in addition any transformation of existing construction machine, therefore, can implement at an easy rate.
In order to reach aforementioned purpose, the securing rod releasing preventing device of construction machine of the present invention, by constitute above-mentioned locking mechanism as lower member, these parts are: outstanding the being provided with principal part that freely is inserted in the banking pin in the aforementioned gathering sill; Be arranged on the aforementioned principal part and have have only could free rotating axial region with specific key tapered end; Be arranged on the aforesaid axial region and by and aforementioned principal part between clamp the fastening bar that aforementioned fastening member comes aforementioned locking mechanism is remained on locking state.
Because aforementioned formation, under the state in the outstanding banking pin insertion gathering sill that is provided with from principal part, by the tapered end that is arranged on the principal part being locked with key, can stop the fastening pin in gathering sill, to relatively move, so except the releasing that can prevent securing rod reliably and, also can easily carry out the loading and unloading of locking mechanism at short notice.
In order to reach aforementioned purpose, the securing rod releasing preventing device of construction machine of the present invention, this building machinery has the lower running body of walking freely, revolution freely is arranged on the top revolution on the aforementioned lower running body, be arranged on the equipment and the driver's cabin of the front portion of aforementioned top revolving body, in order to open and to interdict the getting on or off the bus mouth of aforementioned driver's cabin and the securing rod of setting freely that rises and falls, have the fastening member that freely rotates by aforementioned securing rod and be formed on the fastening pin that in gathering sill, relatively moves on the aforementioned fastening member, and aforementioned securing rod remained on the use location and lift locational fastening mechanism, when being in the use location, opens by aforementioned securing rod, and be in the action stop valve that is interdicted when lifting the position, the securing rod releasing preventing device of above-mentioned building machinery, its special note is, constitute by locking mechanism, this locking mechanism is by constituting as lower member, and these parts are: the outstanding principal part that can freely be inserted in the banking pin in the aforementioned gathering sill that is provided with; Be arranged on the aforementioned principal part and have have only could free rotating axial region with specific key tapered end; Be arranged on the aforementioned axial region and by and aforementioned principal part between clamp the fastening bar that aforementioned fastening member keeps locking state.
According to aforementioned formation, even want securing rod is turned to the locking that hydraulic pressure is removed in the use location, just can not turn to the use location to securing rod as long as need not specific key unload locking mechanism, so can prevent reliably that construction machine is stolen, simultaneously the banking pin from the outstanding setting of principal part is being inserted under the state of gathering sill, by the tapered end that is arranged on the principal part being locked with key, can stop the fastening pin in gathering sill, to relatively move, so, except the releasing that can prevent securing rod reliably and, also can easily carry out the loading and unloading of locking mechanism at short notice.
Description of drawings
Fig. 1 is the lateral view of hydraulic crawler excavator of securing rod releasing preventing device that adopts the construction machine of the 1st embodiment of the present invention.
Fig. 2 is the lateral view of driver's cabin of hydraulic crawler excavator of the securing rod releasing preventing device of the expression construction machine that adopts the 1st embodiment of the present invention.
Fig. 3 is near the lateral view of installing the fastening mechanism of securing rod releasing preventing device of construction machine of the 1st embodiment of the present invention.
Fig. 4 is the lateral view of user mode of securing rod releasing preventing device of the construction machine of expression the 1st embodiment of the present invention.
Fig. 5 is the stereogram of user mode of securing rod releasing preventing device of the construction machine of expression the 1st embodiment of the present invention.
Fig. 6 is the stereogram of the inside side of user mode of securing rod releasing preventing device of the construction machine of expression the 1st embodiment of the present invention.
Fig. 7 is the stereogram of user mode of variation of securing rod releasing preventing device of the construction machine of expression the 1st embodiment of the present invention.
Fig. 8 is the stereogram of user mode of securing rod releasing preventing device of the construction machine of expression the 2nd embodiment of the present invention.
Fig. 9 is the amplification stereogram of securing rod releasing preventing device of the construction machine of expression the 2nd embodiment of the present invention.
The specific embodiment
With reference to accompanying drawing, be described in detail in and implemented the 1st embodiment of the present invention on the hydraulic crawler excavator.
Fig. 1 is the lateral view of hydraulic crawler excavator, Fig. 2 is near the lateral view the driver's cabin, Fig. 3 is near lateral view and near the stereogram of control securing rod of fastening mechanism that the securing rod releasing preventing device is installed, Fig. 4 is the lateral view of the user mode of expression securing rod releasing preventing device, Fig. 5 is the stereogram of the user mode of securing rod releasing preventing device, and Fig. 6 is the stereogram of the inside side of the user mode of securing rod releasing preventing device.
Hydraulic crawler excavator shown in Figure 1 is made of lower running body 1 that freely travels and the top revolving body 2 that is arranged on freely to rotate on the lower running body 1.
The crawler frame 3 that lower running body 1 has central framework 3a and the offside framework 3b that is arranged in parallel in its both sides constitutes, distolateral moving forward and backward at each side framework 3b freely supported free pulley 4, at another distolateral sprocket wheel 6 that is driven by running motor 5 revolution that is provided with, running motor 5 is made of hydraulic motor.
Install around the crawler belt 7 of ring-type between free pulley 4 and sprocket wheel 6, by driving this crawler belt 7 with sprocket wheel 6, lower running body 1 can be voluntarily, and a plurality of rollers 8 are freely supported in revolution on the top and the bottom of side framework 3b simultaneously.
Turn round the upper rotating body 2 on the central member 3a that freely is arranged on crawler frame 3, the bottom is made of vehicle frame 10, installation work device 11 on this vehicle frame 10.
Equipment 11, as shown in Figure 1, be contained on the vehicle frame 10 by cardinal extremity hinge and drive and rise and fall swing arm 12, cardinal extremity hinge freely are contained in the front end of swing arm 12 and driven and rotated dipper 15, hinge freely and be contained in the front end of pivoted arm 15 and driven and rotated freely that scraper bowl 17 constitutes by scraper bowl cylinder 16 by dipper cylinder 14 by swing arm cylinder 13.
The driver's cabin 18 of the side that is positioned at equipment 11 is set in the front portion of vehicle frame 10, rear portion at vehicle frame 10 is provided with the engine room 19 that is covered by hood 19a, in this engine room 19, accommodate the motor (not shown) that power is used, counterweight 20 is installed in the rear end of vehicle frame 10.
On the side of driver's cabin 18, offer the switching mouthful 18a that gets on or off the bus of door 23 freely has been installed, driver's seat 24 is set in driver's cabin 18.
The action bars 25 and the pedal 26 of operation were provided with control cabinet 27 in the both sides of driver's seat 24 when the hydraulic crawler excavator walking was set in the place ahead of driver's seat 24.
At the upright respectively action bars 28 of establishing operation element device 11 in the top, front side of these control cabinets 27, each action bars 28 is connected between each driver of equipment 11 and the control valve (all not shown) of the reversal valve between the hydraulic power source with control.
Among the control cabinet 27 of the both sides that are arranged at driver's seat 24, be arranged on mouthful control cabinet of 18a side 27 of getting on or off the bus, can freely be raised to from the use location by lifting mechanism 30 and lift the position.
As shown in Figure 3, lifting mechanism 30 freely supports movable framework 30c by bolster 30b revolution on the fixed frame 30a on the side of being fixed in driver's seat 24, by carriage 30d control cabinet 27 is installed on this movable framework 30c.
Movable framework 30c, afterburning by the boosting mechanism 31 that constitutes by extension spring to lifting on the direction, in the front portion of movable framework 30c fastening mechanism 33 is set simultaneously.
In addition, the base end part of securing rod 32 is fixed on the top of the fastening member 33a that constitutes fastening mechanism 33.
As shown in Figure 3, fastening member 33a has that to form with the center of rotation of movable framework 30c be the circular-arc gathering sill 33b at center, inserts the outstanding fastening pin 33c that is provided with from fixed component 30a in this gathering sill 33b.
On the upper and lower side of gathering sill 33b, be formed with fastening recess 33d, the 33e of the aforementioned fastening pin of fastening 33c, by on a side fastening recess 33d in conjunction with fastening pin 33c, control cabinet 27 is remained on the use location, by on the opposing party's fastening recess 33e in conjunction with fastening pin 33c, control cabinet 27 is remained on lifts on the position.
The top of fastening member 33a, rotating freely by pin 33f, hinge is contained on the front portion of movable framework 30c setting-in connecting ring 33g in the hinge dress portion of fastening member 33a.
The front end of connecting ring 33g to the bolster 30b direction application of force, can and lift fastening state in the position by the boosting mechanism 34 that is made of the toggle spring by the use location of boosting mechanism 34 retentive control casees 27.
On the other hand, securing rod releasing preventing device of the present invention, be by limiting the fastening member 33a of fastening mechanisms 33 and relatively moving of fastening pin 33c by locking mechanism 35, make the hydraulic crawler excavator akinesia prevent the device that hydraulic crawler excavator is stolen, locking mechanism 35 as Fig. 4 to shown in Figure 6, have the principal part 35a that forms L font roughly and on the bight of principal part 35a by the fixture 36 tapered end installation component 35b of fixing horn shape from the outside.
On tapered end installation component 35b, install to have only and lock the tapered end 39 that constitutes, on the top of the axial region 39a that gives prominence to the interior example of principal part 35a, fix the fastening bar 39b of oval shape by tapered end 39 by oil cylinder with what specific key 38 just can be locked and unblank.
Axial region 39a can be by the key 38 positive and negative rotations of inserting in the tapered end 39, for example, and when to right screw key 38, the front end of fastening bar 39b as shown in Figure 6, become and principal part 35a between clamp fastening member 33a upper lock position, when the revolution of direction left, become lockset position of coupler.
In addition, on the front end of principal part 35a, form with from the chimeric breach 35c of the outstanding mount pin that is provided with of fastening member 33a 40, outstanding setting is embedded in the banking pin 35d in the gathering sill 33b that forms on the fastening member 33a on the inner face of principal part 35a.
The following describes the effect of the securing rod releasing preventing device of aforementioned formation.
When hydraulic crawler excavator turns round, be arranged on mouthful control cabinet of 18a side 27 of getting on or off the bus of driver's seat 24, as shown in Figure 3, be in the use location, the securing rod 32 of fastening mechanism 33 at this moment is on the position of covering mouthful 18a that gets on or off the bus obliquely.
Under this state, be communicated with the position owing to being in the action stop valve of securing rod 32 interlocks by interlinked mechanism, press the supply control valve by the control of control pump output, so, can drive operations such as equipment 11 excavates by operating the upright action bars 28 that is located at the front portion of control cabinet 27.
In addition, the occasion that the operator gets off from driver's cabin 18 after the end of job is rotated the securing rod 32 that has interdicted mouthful 18a that gets on or off the bus upward.
Thus, the movable framework 30c of lifting mechanism 30 is that rotate upward at the center with bolster 30b, be installed in the control cabinet 27 on the movable framework 30c, as shown in Figure 2, be in and lift the position, simultaneously, rotation with movable framework 30c, the fastening member 33a of fastening mechanism 33 also rotates upward, thus, relatively moves downwards in the gathering sill 33b of fastening member 33a from the outstanding fastening pin 33c that is provided with of fixed frame 30a.
Then, when fastening pin 33c arrives the fastening recess 33e that forms in the lower end of gathering sill 33b, the force direction that adds of the boosting mechanism 34 that is made of the toggle spring reverses, control cabinet 27 and securing rod 32 are maintained on the position of lifting, simultaneously, because securing rod 32 is on the position of lifting, so the action stop valve by interlinked mechanism and securing rod 32 interlocks is closed, therefore the supply of pressing to the control of control valve is cut off and becomes the hydraulic locking state, thus, hydraulic crawler excavator akinesia.
In addition, in order to prevent that hydraulic crawler excavator is stolen in operation stops, breach 35c on the chimeric principal part 35a front end that is formed on locking mechanism 35 on the mount pin 40 of the fastening member 33a that is in the state of lifting, give prominence to the banking pin 35d intercalation of setting in gathering sill 33b from the inner face of principal part 35a, as Fig. 4 and shown in Figure 5, locking mechanism 35 is installed on a side the side of fastening member 33a.
Then, the key 38 in the tapered end 39 is inserted in rotation under this state, makes the fastening bar 39b that is fixed on the axial region 39a as shown in Figure 6, and fastening comes locking mechanism 35 is locked on the opposing party's of fastening member 33a side
After locking, when from tapered end 39, extracting key 38, because fastening bar 39b is fixed on upper lock position, so principal part 35a can not break away from from fastening member 33a, simultaneously, since stop the banking pin 35a of intercalation in gathering sill 33b in gathering sill 33b with the relatively moving of fastening pin 33c, so can not make securing rod 32a turn to the use location.
Thus, because the action stop valve can not be opened, hydraulic crawler excavator is maintained at the hydraulic locking state, invades in the driver's cabin 18 even the convict is prying open the door 23 of lock, can not make the hydraulic crawler excavator work that is in the hydraulic locking state, can prevent possibly that hydraulic crawler excavator is stolen.
Have, Fig. 7 is the figure that the expression securing rod is removed the variation of anti-locking mechanism again, and in this variation, locking mechanism 35 constitutes by can freely being entrenched in the brake member 35f in the gathering sill 33b that is formed on the fastening member 33a and the fixed component 35g of flute profile.
On brake member 35f and fixed component 35g, wear hole 35h, the 35i of the link 39c that is used to insert the tapered end 39 that constitutes by padlock, as shown in Figure 7, under hole 35h that makes the brake member 35f that is entrenched in the gathering sill 33b and the state aimed at from the hole 35i of the chimeric fixed component 35g in the side of fastening member 33a, the link 39c of tapered end 39 is inserted each hole 35h, 35i to lock, thus, can prevent that fastening pin 33c from relatively moving in gathering sill 33b, so, the same with aforementioned the 1st embodiment, can prevent that in advance hydraulic crawler excavator is stolen.
Have, aforementioned embodiments and variation all embed fastening pin 33c in the gathering sill 33b of fastening member 33a, but also can replace fastening pin 33c with roller, in the occasion of roller, can reduce the effect of friction in the time of obtaining relatively moving in gathering sill 33b again.
In addition, Fig. 8 and Fig. 9 are the figure of expression the 2nd embodiment, are described below.
The part identical with aforementioned the 1st embodiment marked same-sign and omit its explanation.
Occasion at the 2nd embodiment, by locking the upright securing rod of establishing 32 from the base plate 18b of driver's cabin 18, prevent that hydraulic crawler excavator is stolen, the lower end is bearing in the securing rod 32a of the downside of base plate 18b with axle, when to the use location and when lifting position operation, move to fore-and-aft direction in the slotted hole 18c on being formed at base plate 18b.
Therefore, be raised under the state that lifts the position at securing rod 32, as shown in Figure 8, locking mechanism 35 is locked in the slotted hole 18c, prevent that securing rod 32 from rotating, locking mechanism 35 has the principal part 35j of box-shaped as shown in Figure 9, the width of principal part 35j is configured to be entrenched in the slotted hole 18c, the outstanding handle 35K that is provided with on the side's of principal part 35j upper limb.
Principal part 35j's is top by tapered end installation component 35m obturation, and the tapered end 39 that is made of cylinder lock is installed on this installation component 35m, by the key 38 in the rotation insertion tapered end 39, makes axial region (not shown) revolution of tapered end 39.The fixing end of fastening bar 39b on axial region, with the revolution of axial region, the groove 35n that the other end forms from the side at principal part 35j is outstanding to the side of principal part 35j.
The following describes the effect of the securing rod releasing preventing device of aforementioned the 2nd embodiment, when operation finishes and when driver's cabin 18 is got off, if it is securing rod 32 is raised to lifts the position, as shown in Figure 8, chimeric in the slotted hole 18c of last direction base plate 18b the principal part 35j of locking mechanism 35.
Then, under this state, when inserting key 38 in the tapered end 39 when the direction of locking is rotated, as shown in Figure 9, be fixed on following side-prominent from base plate 18b of fastening bar 39b on the axial region, fastening below base plate 18b on and become locking state.
Thus, securing rod 32 is fixed on and lifts on the position, is communicated with the position owing to can not operate the action stop valve, can prevent in advance that hydraulic crawler excavator is stolen so become the hydraulic locking state.
Occasion at the running hydraulic crawler excavator, key 38 in the direction rotation insertion tapered end 39 of unblanking, forward lockset position of coupler in the principal part 35j to by fastening bar 39b, can from the slotted hole 18c of base plate 18b, take out locking mechanism 35, therefore, but as long as securing rod 32 is turned to the use location with regard to entry into service.
Have again, in aforementioned embodiments, be illustrated, but also can on all construction machines, implement for the example of on hydraulic crawler excavator, implementing.
The securing rod that the present invention is such as detailed above, when the use location of the mouth of getting on or off the bus that covers the side that is arranged on driver's seat, the locking of being sent to the hydraulic pressure of each one from hydraulic power source is disengaged, and getting on or off the bus mouth when having lifted upward for opening, the hydraulic pressure that is sent to each one from hydraulic power source is locked, and can not carry out the action of each one, owing to securing rod is remained on the use location and lifts the fastening member of position by on this securing rod, being provided with, and by moving of the fastening pin that relatively moves in the gathering sill of locking mechanism prevention on being formed at the fastening member, can prevent that securing rod is rotated the use location, so, as long as locking mechanism is installed just can be prevented that construction machine is stolen securing rod being remained on the use location and lift on the locational fastening member, can irrespectively use aforementioned means with machine of construction machine etc., simultaneously owing to do not need to the in addition any transformation of existing construction machine, therefore, can implement at an easy rate.
Have again, because by the outstanding principal part that can freely be inserted in the banking pin in the gathering sill that is provided with, be arranged on having on the principal part have only could free rotating axial region with specific key tapered end, be arranged on the axial region pass through and principal part between clamp the fastening bar that the fastening member keeps locking mechanism to be in locking state and constitute locking mechanism, so under the state of the outstanding banking pin insertion gathering sill that is provided with from principal part, with key the tapered end that is arranged on the principal part is locked, owing to can stop the fastening pin in gathering sill, to relatively move, so except the releasing that prevents securing rod reliably and, can easily carry out the loading and unloading of locking mechanism at short notice.
Claims (3)
1. the securing rod releasing preventing device of a construction machine, this project building machinery comprises securing rod, when this securing rod is arranged on the use location of getting on or off the bus mouthful of side of driver's seat in blocking, the locking of being sent to the hydraulic pressure of each one from hydraulic power source is disengaged, and when having lifted upward in order to open described get on or off the bus mouthful, the hydraulic pressure that is sent to each one from hydraulic power source is locked, thereby each one can not be moved, it is characterized in that, by on described securing rod, being provided with described securing rod is remained on the use location and lifts the fastening member of position, and, prevent that described securing rod is rotated the use location by moving of the fastening pin that relatively moves in the gathering sill of locking mechanism prevention on being formed at described fastening member.
2. the securing rod releasing preventing device of construction machine as claimed in claim 1 is characterized in that, constitutes described locking mechanism by following parts, and these parts are: the outstanding principal part that can freely be inserted in the banking pin in the described gathering sill that is provided with; Be arranged on the described principal part and have have only could free rotating axial region with specific key tapered end; Be arranged on the described axial region and by and described principal part between clamp the fastening bar that described fastening member comes described locking mechanism is remained on locking state.
3. the securing rod releasing preventing device of a construction machine, this project building machinery comprises voluntarily lower running body freely, revolution freely is arranged on the top revolving body on the described lower running body, be arranged on the equipment and the driver's cabin of the front portion of described top revolving body, in order to open and to interdict the getting on or off the bus mouth of described driver's cabin and the securing rod of setting freely that rises and falls, has the fastening pin that relatively moves in fastening member that freely rotates by described securing rod and the gathering sill that on described fastening member, forms, and described securing rod remained on the use location and lift locational fastening mechanism, when being in the use location, opens by described securing rod, and be in pent action stop valve when lifting the position, it is characterized in that, the securing rod releasing preventing device of this project building machinery comprises locking mechanism, this locking mechanism is by constituting with lower member, and these parts are: outstanding be provided with can the banking pin of free intercalation in described gathering sill principal part; Be arranged on the described principal part and have have only could free rotating axial region with specific key tapered end; Be arranged on the described axial region and by and described principal part between clamp the fastening bar that described fastening member keeps locking state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2004100909311A CN1773027B (en) | 2004-11-10 | 2004-11-10 | Locking rod releasing preventing device for engineering construction machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2004100909311A CN1773027B (en) | 2004-11-10 | 2004-11-10 | Locking rod releasing preventing device for engineering construction machinery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1773027A CN1773027A (en) | 2006-05-17 |
| CN1773027B true CN1773027B (en) | 2010-09-08 |
Family
ID=36760147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2004100909311A Expired - Fee Related CN1773027B (en) | 2004-11-10 | 2004-11-10 | Locking rod releasing preventing device for engineering construction machinery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1773027B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6487316B2 (en) * | 2015-12-25 | 2019-03-20 | 株式会社Kcm | Construction machine operation device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2567720B2 (en) * | 1990-05-25 | 1996-12-25 | 日立建機株式会社 | Work machine |
| CN1240398A (en) * | 1996-12-12 | 2000-01-05 | 阿德弗拉有限责任公司 | Anti-theft device for vehicles with twist grip throttle control |
| CN1462246A (en) * | 2001-04-05 | 2003-12-17 | 日立建机株式会社 | Security system of construction machinery |
-
2004
- 2004-11-10 CN CN2004100909311A patent/CN1773027B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2567720B2 (en) * | 1990-05-25 | 1996-12-25 | 日立建機株式会社 | Work machine |
| CN1240398A (en) * | 1996-12-12 | 2000-01-05 | 阿德弗拉有限责任公司 | Anti-theft device for vehicles with twist grip throttle control |
| CN1462246A (en) * | 2001-04-05 | 2003-12-17 | 日立建机株式会社 | Security system of construction machinery |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1773027A (en) | 2006-05-17 |
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