CN103437610A - Engine top cover support device and engineering machinery - Google Patents
Engine top cover support device and engineering machinery Download PDFInfo
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- CN103437610A CN103437610A CN2013103591456A CN201310359145A CN103437610A CN 103437610 A CN103437610 A CN 103437610A CN 2013103591456 A CN2013103591456 A CN 2013103591456A CN 201310359145 A CN201310359145 A CN 201310359145A CN 103437610 A CN103437610 A CN 103437610A
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- 238000007689 inspection Methods 0.000 description 2
- 239000004922 lacquer Substances 0.000 description 2
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- 238000010422 painting Methods 0.000 description 2
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Abstract
The invention discloses an engine top cover support device and engineering machinery. The engine top cover support device is used for supporting an engine top cover door of an engine, and comprises a first support rod with the first end hinged to a frame of an engine top cover, a second support rod with the first end hinged to the second end of the first support rod and the second end hinged to the engine top cover door, a locking mechanism arranged between the first support rod and the second support rod and used for selectively locking the first support rod and the second support rod to guarantee that the engine top cover door is fixedly supported open by the first support rod and the second support rod, and an unlocking mechanism arranged on the engine top cover door, connected with the locking mechanism and used for unlocking the locking mechanism to guarantee that the first support rod and the second support rod can relatively rotate to close the engine top cover door. According to the engine top cover support device, the engine top cover door is supported open and closed by locking and unlocking the two support rods, the operation is simple and convenient, the safety is improved, the number of slide fit members is reduced, and the wear and corrosion phenomena are reduced.
Description
Technical field
The present invention relates to engineering machinery field, particularly a kind of motor machine overhead guard bracing or strutting arrangement and the engineering machinery that is provided with this motor machine overhead guard bracing or strutting arrangement.
Background technology
Usually in the heavy engineering plant equipment such as excavator, the engine compartment top is covered by a machine overhead guard, and engine assembly is in cabin.When the component such as motor need to be changed or during maintenance and inspection, machine overhead guard cover door be opened, and support component by a bar class and supported, thereby in the situation that machine overhead guard door is opened and secure support is engaged in relevant maintenance and inspection work.
Fig. 1 is traditional motor machine overhead guard and the structural representation of bracing or strutting arrangement thereof.
As shown in Figure 1, machine overhead guard door 15 is articulated in machine overhead guard framework 11 by hinge 12, and rotates up and down around hinge 12, with this, realizes opening and closing machine overhead guard door 15.Also be welded with guide plate 14 on machine overhead guard framework, be provided with gathering sill and locating slot on guide plate 14, support bar 13 1 ends are connected on machine overhead guard door 15 with bearing pin, and the other end is arranged on movably along in the gathering sill on guide plate 14.
When machine overhead guard door is upwards opened, support bar 13 slides and is positioned locating slot along gathering sill; While closing machine overhead guard door, need operating personnel to grip on the other hand the handle 16 on machine overhead guard door, with the another hand, support bar 13 is moved to gathering sill from locating slot, the end of gripper shoe 13 can be moved along gathering sill, thereby machine overhead guard door 15 rotates and closes around hinge 12.
Yet, when operator's movable support bar 13 cuts out machine overhead guard door 15, inconvenient operation, and easily cause and crush, there is potential safety hazard, in addition, when support bar 13 slides along the gathering sill of guide strip 14, may produce noise, also may cause the gathering sill lacquer painting to peel off, thereby the generation corrosion phenomena, affect 14 application lifes of guide strip.
Summary of the invention
In view of this, the present invention proposes a kind of motor machine overhead guard bracing or strutting arrangement and engineering machinery, this motor machine overhead guard bracing or strutting arrangement can be when machine overhead guard door be opened firm support machine overhead guard door, when needs are closed machine overhead guard door, can realize closing by shirtsleeve operation, operate facility and safety, and reduced the generation of corrosion phenomena.
The present invention also proposes a kind of engineering machinery, and it is provided with above-mentioned motor machine overhead guard bracing or strutting arrangement, can firmly support machine overhead guard door and open, and can close machine overhead guard door by simple and safe operation, and can not produce the bracing or strutting arrangement corrosion phenomena.
On the one hand, the invention provides a kind of motor machine overhead guard bracing or strutting arrangement, the machine overhead guard door for supporting engines comprises:
The first strut, its first end is hinged to the framework of described motor machine overhead guard;
The second strut, the second end of its first end and described the first strut is hinged, and the second end of described the second strut and described machine overhead guard door hinge connect;
Lockable mechanism, be arranged between described the first strut and described the second strut, for selectively locking described the first strut and described the second strut, described the first strut and the described machine overhead guard of described the second strut fixed support door opened;
Release mechanism, be arranged on described motor machine overhead guard door, and be connected with described lockable mechanism, for the described lockable mechanism of release, described the first strut and described the second strut can be relatively rotated, and closes described machine overhead guard door.
Further, described lockable mechanism comprises the first locking plate, the second locking plate, the first bearing pin, the second bearing pin and the keeper that resets, wherein
Described the first locking plate and described the second locking plate are arranged on described the second strut rotationally by described the first bearing pin and described the second bearing pin respectively;
Described the first locking plate and described the second locking plate all have the sawtooth end, and the described keeper that resets is connected with described the first locking plate, described the second locking plate respectively, make the sawtooth end of described the first locking plate and the sawtooth end of described the second locking plate keep engagement;
Described the first locking plate also has the locking end for coordinating with the second end locking of described the first strut;
Described the second locking plate also is connected with described release mechanism, and described release mechanism acts on the direction of the moment of described the second locking plate, with the described keeper that resets, acts on the opposite direction of the moment of described the second locking plate.
Further, the described keeper that resets is the first back-moving spring, and the two ends of described the first back-moving spring are connected with described the second locking plate with described the first locking plate respectively.
Further, the locking end of described the first locking plate is the hook-shaped groove, and the second end of described the first strut is provided with protuberance or the lock pin with described groove fit.
Further, the position of described the first locking plate and described the second locking plate engagement respectively with described the first bearing pin and described the second bearing pin apart from sum, be greater than the distance between described the first bearing pin and described the second bearing pin.
Further, on described the second strut, be provided with for limiting the limiting plate of described the first locking plate, for limiting described the first locking plate to breaking away from the extreme position moved with the direction of described the second locking plate engagement.
Further, described release mechanism comprises the lever assembly be arranged on described machine overhead guard door, and the connecting portion that connects described lever assembly and described the second locking plate, wherein,
Described lever assembly comprises back shaft and control lever, and described back shaft is arranged on described machine overhead guard door, and described control lever is arranged on described back shaft rotationally, and an end of described control lever is connected with described connecting portion;
The connecting rod that described connecting portion is rigidity or flexible connecting strand.
Further, described release mechanism also comprises housing and the second back-moving spring, wherein,
Described housing is arranged on described machine overhead guard door, and covers part and the described back shaft of described control lever, and the other end of described control lever stretches out described housing;
One end of described the second back-moving spring is connected on described control lever, and the other end is connected on described housing or described machine overhead guard door, and described the second back-moving spring is identical to the opplied moment direction of described control lever with described connecting portion.
Further, described the second strut comprise the first clamping plate, the second clamping plate and be folded in described the first clamping plate and described the second clamping plate between dividing plate;
Described the first locking plate and described the second locking plate are arranged on described the first clamping plate rotationally by described the first bearing pin and described the second bearing pin respectively, and described the first bearing pin and described the second bearing pin are located between described the first clamping plate and described the second clamping plate.
Motor machine overhead guard bracing or strutting arrangement provided by the invention can be when machine overhead guard door be opened, locking by two support bars, firm support machine overhead guard door, when needs are closed machine overhead guard door, can be by the control lever of operation release mechanism, simple and easyly by two strut releases, close machine overhead guard door, promote safety, and reduced the structural member be slidably matched in bracing or strutting arrangement, thereby reduced the generation of wearing and tearing and corrosion phenomena, extended the application life of bracing or strutting arrangement.
On the other hand, the present invention also provides a kind of engineering machinery, is provided with motor machine overhead guard bracing or strutting arrangement as above.
Engineering machinery of the present invention is provided with above-mentioned motor machine overhead guard bracing or strutting arrangement, therefore, has advantages of same as described abovely, repeats no more.
The accompanying drawing explanation
The accompanying drawing that forms a part of the present invention is used to provide a further understanding of the present invention, and schematic description and description of the present invention the present invention does not form inappropriate limitation of the present invention for explaining.In the accompanying drawings:
The structural representation that Fig. 1 is motor machine overhead guard and bracing or strutting arrangement thereof in prior art;
The structural representation of the motor machine overhead guard bracing or strutting arrangement that Fig. 2 provides for the embodiment of the present invention;
The use view that Fig. 3 is the motor machine overhead guard bracing or strutting arrangement shown in Fig. 2, for the ease of describing, also shown is the structures such as the framework of machine overhead guard and handle;
Fig. 4 is the second strut in the embodiment of the present invention and the structural representation of lockable mechanism;
The structural representation that Fig. 5 is the lockable mechanism in the embodiment of the present invention, also show part the second strut;
The structural representation that Fig. 6 is the release mechanism in the embodiment of the present invention, for the ease of describing, this figure does not illustrate complete release mechanism.
Description of reference numerals
In the prior art accompanying drawing:
11, machine overhead guard framework; 12, hinge; 13, support bar; 14, guide plate; 15, machine overhead guard door; 16, handle;
In the technology of the present invention accompanying drawing:
201, framework; 202, machine overhead guard door; 203, handle; 204, control lever; 205, back shaft; 206, housing; 207, connecting portion; 208, the first strut; 209, the second strut; 2091, the first clamping plate; 2092, the second clamping plate; 2093, dividing plate; 210, the second back-moving spring; 211, the first locking plate; 212, the second locking plate; 213, the keeper that resets; 214, the first bearing pin; 215, the second bearing pin; 216, limiting plate.
The specific embodiment
It should be noted that, in the situation that do not conflict, embodiment and the feature in embodiment in the present invention can combine mutually.Describe below with reference to the accompanying drawings and in conjunction with the embodiments the present invention in detail.
Be illustrated in figure 2 the structural representation of the motor machine overhead guard bracing or strutting arrangement that embodiments of the invention provide, Figure 3 shows that the use view of this motor machine overhead guard bracing or strutting arrangement for motor machine overhead guard.Shown in Fig. 2 and Fig. 3, the motor machine overhead guard bracing or strutting arrangement that embodiments of the invention are provided carries out whole introduction explanation.
As shown in Figures 2 and 3, a kind of motor machine overhead guard bracing or strutting arrangement that the embodiment of the present invention provides, machine overhead guard door 202 for motor machine overhead guard supporting engines, motor machine overhead guard comprises framework 201 and machine overhead guard door 202, be provided with handle 203 on machine overhead guard door 202, for hand-held, open, close machine overhead guard door 202; This motor machine overhead guard bracing or strutting arrangement comprises: the first strut 208, and its first end is hinged to the framework 201 of motor machine overhead guard; The second strut 209, the second end of its first end and the first strut 208 is hinged, and the second end and the machine overhead guard door 202 of the second strut 209 are hinged; Lockable mechanism, be arranged between the first strut 208 and the second strut 209, for selectively locking the first strut 208 and the second strut 209, the first strut 208 and the second strut 209 fixed support machine overhead guard doors 202 opened; Release mechanism, be arranged on machine overhead guard door 202, and be connected with lockable mechanism, for the release lockable mechanism, the first strut 208 and the second strut 209 can be relatively rotated, and closes machine overhead guard door 202.
The motor machine overhead guard bracing or strutting arrangement that the embodiment of the present invention provides, the body of bracing or strutting arrangement is comprised to the first strut 208 and the second strut 209 be hinged, form two-part supporting mechanism collapsible, that stretch, between the first strut 208 and the second strut 209, lockable mechanism is set simultaneously, can be by two strut lockings when two struts trail, open mode that can fixed support machine overhead guard door 202, also on machine overhead guard door 202, release mechanism is set, release for lockable mechanism, two struts can be relatively rotated, in order to can close machine overhead guard door 202.Motor machine overhead guard bracing or strutting arrangement of the present invention can be when machine overhead guard door be opened firm support machine overhead guard door, when needs are closed machine overhead guard door, can realize closing by shirtsleeve operation, operation facility and safety, and compare with existing supporting way, bracing or strutting arrangement of the present invention is opened at support machine overhead guard door, in closing process, reduced the sliding friction cooperation between supporting member, can reduce consequent lacquer painting and peel off and corrosion phenomena, increase the service life.
The first strut 208 in above-described embodiment and the member structure of the second strut 209 for being hinged, specifically can be with reference to shown in Fig. 2 and Fig. 4.The first strut 208 is an independently tabular rod member, and two ends are respectively arranged with hinge hole, and the one end is hinged to the framework 201 of motor machine overhead guard, and the other end is hinged to the second strut 209.As shown in Figure 4, it has showed the structural representation of the second strut 209, the second strut 209 comprise the first clamping plate 2091, the second clamping plate 2092 and be folded in the first clamping plate 2091 and the second clamping plate 2092 between dividing plate 2093; The two ends of the second strut 209 also are respectively arranged with hinge hole, and the second end of the first end of the second strut 209 and aforementioned the first strut 208 is hinged, and the second end and the machine overhead guard door 202 of the second strut 209 are hinged.Structure design so, the first strut 208 and the second strut 209 can be realized folding and launch, and, when folding, the first strut 208 can partially foldedly be saved certain space between two clamping plate of the second strut 209, and mutually can not interfere.
As mentioned above, the first strut 208 and the second strut 209 in the embodiment of the present invention are hinged, when machine overhead guard door 202 is opened, need to be by two strut lockings, in order to firmly support machine overhead guard door 202, for this reason, the invention provides lockable mechanism and lock the first strut 208 and the second strut 209, the concrete structure of lockable mechanism can be with reference to shown in Fig. 2, Fig. 4 and Fig. 5.
Be the structural representation of the second strut 209 and lockable mechanism as shown in Figure 4 and Figure 5.Lockable mechanism comprises the first locking plate 211, the second locking plate 212, the first bearing pin 214, the second bearing pin 215 and the keeper 213 that resets, wherein, the first locking plate 211 and the second locking plate 212 are arranged on the first clamping plate 2091 of the second strut 209 rotationally by the first bearing pin 214 and the second bearing pin 215 respectively, and the first bearing pin 214 and the second bearing pin 215 preferably are located between the first clamping plate 2091 and the second clamping plate 2092; The first locking plate 211 and the second locking plate 212 all have the sawtooth end, and the keeper 213 that resets is connected with the first locking plate 211, the second locking plate 212 respectively, make the sawtooth end of the first locking plate 211 and the sawtooth end of the second locking plate 212 keep engagement; The first locking plate 211 also has the locking end for coordinating with the second end locking of the first strut 208, the first locking plate 211 and the second locking plate 212 lock mutually, and, when the second end of the first strut 208 coordinates with this locking end locking, realize that lockable mechanism is by the first strut 208 and the second strut 209 lockings.
Particularly, as shown in Figure 5, the locking end of the first locking plate 211 is preferably the hook-shaped groove, correspondingly, the second end of the first strut 208 preferably is provided with protuberance or the lock pin with this groove fit, as the lock contact, makes when the second end rotation of the first strut 208 extremely contacts with the first locking plate 211, can trigger lockable mechanism, with the engagement of the first locking plate 211 locking ends.Should be understood that, groove described herein, protuberance or lock pin are the preferred matable assemblies of the present embodiment, in other embodiment, also can adopt other form of structure to realize identical therewith function.
It should be noted that, as shown in Figure 5, in this embodiment, the position of the first locking plate 211 and the engagement of the second locking plate 212 respectively with the first bearing pin 214 and the second bearing pin 215 apart from sum, be greater than the distance between the first bearing pin 214 and the second bearing pin 215, after making the first locking plate 211 and the second locking plate 212 keep engagement, the first locking plate 211 can't be again moves to the force direction of the first strut 208, and then makes the first strut 208 be difficult to break away from from the groove of the first locking plate 211.This configuration mode is only a kind of preferred disposition, does not limit therewith in other embodiments.
The keeper 213 that resets in the present embodiment can be preferably the first back-moving spring, and the two ends of this first back-moving spring are connected with the second locking plate 212 with the first locking plate 211 respectively.As shown in Figure 4, generally, the first back-moving spring is in extended state, it applies respectively rightabout active force to the first locking plate 211 and the second locking plate 212, the moment formed makes two locking plates have the trend of rotating in opposite directions, and then two locking plates are connected to together at the sawtooth end, and keep engagement.It should be noted that, at the keeper 213 of realizing resetting, two locking plates are kept under the prerequisite of engagement, in other embodiments, this keeper that resets can also be configured to other form of structure, can be for example the spring be connected with the second locking plate with the first locking plate respectively.
In addition, in the present embodiment, the first locking plate 211 and the second locking plate 212 have intermeshing sawtooth end, by above-mentioned explanation, be to be understood that, this sawtooth end should be considered as the first locking plate 211 and the second locking plate 212 at end of engagement preferred disposition engrail, but in other embodiments, also can be configured to other form of structure, realize mutual butt engagement.
In order to realize two locking plates and two strut releases, the second locking plate 212 also is connected with release mechanism, release mechanism acts on the direction of the moment of the second locking plate 212, act on the opposite direction of the moment of the second locking plate 212 with the keeper 213 that resets, so that by the operation release mechanism, apply certain effect power to the second locking plate 212, overcome the active force that reset keeper 213 and the first strut 208 put on the second locking plate 212, realize two locking plate releases.
After the first locking plate 211 and the second locking plate 212 disengaging engagements, oversize in order to prevent the distance that the first locking plate moves to out-of-gear direction, and cause again meshing difficulty, in embodiments of the invention, also be provided with the limiting plate 216 for limiting the first locking plate 211 on the second strut 209, for limiting the first locking plate 211 to breaking away from the extreme position moved with the direction of the second locking plate 212 engagements.
As shown in Figure 2 and Figure 5, release mechanism comprises the lever assembly be arranged on machine overhead guard door 202, and the connecting portion 207 that connects lever assembly and the second locking plate 212, wherein, lever assembly comprises back shaft 205 and control lever 204, back shaft 205 is arranged on machine overhead guard door 202, and control lever 204 is arranged on back shaft 205 rotationally, and an end of control lever 204 is connected with connecting portion 207.In this embodiment, connecting portion 207 is preferably flexible connecting strand, and the flexible nature of connecting strand is convenient to its flexible arrangement on machine overhead guard door 202.One end of connecting strand is connected to the second locking plate 212, and the other end is connected to control lever 204, can around back shaft 205, rotate by operation control lever 204, and then tractive connecting strand and the second locking plate 212, realize the release of the first locking plate 211 and the second locking plate 212.
In this embodiment, additionally be provided with a brace on the second locking plate 212, connecting portion 207 is connected to the second locking plate 212 by this brace, make to connect more convenient, but the present invention does not do restriction to this, and, in other embodiments, connecting portion 207 also can be configured to the form of connecting rod.
As shown in Figure 6, release mechanism also preferably includes housing 206 and the second back-moving spring 210, and wherein, housing 206 is arranged on machine overhead guard door 202, and the part of Coverage Control bar 204 and back shaft 205, and the other end of control lever 204 stretches out housing 206; One end of the second back-moving spring 210 is connected on control lever 204, the other end is connected to housing 206, and the opplied moment direction of 207 pairs of control levers 204 of the second back-moving spring 210 and connecting portion is identical, can make control lever 204 remain on original position (i.e. position shown in figure), when handling control lever 204 tractive connecting portion 207, need to overcome the active force of the second back-moving spring 210, after the release lockable mechanism, the second back-moving spring 210 can return to original position by control lever 204.
It should be noted that have in the embodiment of housing in preferred disposition herein, back shaft 205 can be set directly on machine overhead guard door 202, also can be arranged on housing 206, thereby indirectly be arranged on machine overhead guard door.Although the above embodiment of the present invention has adopted rear a kind of configuration mode, the set-up mode of back shaft 205 is not construed as limiting.
In addition, what the second back-moving spring 210 shown in Fig. 6 adopted is wind spring, and it is wound on back shaft 205, and wind spring stretches out two ends, and an end is fixedly attached to control lever 204, and the other end is fixedly attached to housing 206.It should be noted that, on the one hand, in other embodiments, the second back-moving spring 210 can also be configured to other forms of spring, for example coil tension spring, and the other end of the second back-moving spring 210 can also be connected on machine overhead guard door 202, and be not limited to, is connected to housing 206; On the other hand, because control lever 204 is connected with connecting portion 207, and then be connected with the second locking plate 212, the second locking plate 212 is subject to the first action of reset spring power as the keeper 213 that resets, this active force can indirectly-acting to control lever 204, and play to a certain extent the effect identical with the second back-moving spring 210, therefore, the second back-moving spring 210 can save from whole device in other embodiments.
When machine overhead guard door 202 is closed condition, the first strut 208 and the second strut 209 are in folding position; When needs are opened machine overhead guard door 202, operating personnel can be hold by one hand handle 203 and open machine overhead guard door 202, in opening procedure, the first strut 208 and the second strut 209 are around its rotation that is hinged, open gradually, treat that this machine overhead guard door 202 opens to certain position, the lock contact of the second end of the first strut 208 contacts and cooperatively interacts with the groove of the locking end of the first locking plate 211, thereby triggering lockable mechanism, lockable mechanism is by the first strut 208 and the second strut 209 lockings, with fixed support machine overhead guard door 202.Now, due to the pressure that is subject to machine overhead guard door 202, the first strut 208 has the trend broken away from from the first locking plate 211, and the direction to the first locking plate 211 and the second locking plate 212 engagements pulls by the first locking plate 211, be limited to the engagement of the first locking plate 211 and the second locking plate 212, and 207 pairs of the second locking plate 212 pulling force of the connecting portion of lockable mechanism, the first strut 208 and the second strut 209 can remain on latched position.When needs are closed machine overhead guard door 202, manually-operated control lever 204 pulls connecting portion 207, and then the second locking plate 212 is spun off from engagement, the first locking plate 211 and the second locking plate 212 releases, the first locking plate 211 can be along with the first strut 208 motion, and the first strut 208 just can break away from from the groove of the locking end of the first locking plate 211, and then first strut 208 and the second strut 209 releases, can mutually rotate, now, machine overhead guard door 202 can be closed.
The motor machine overhead guard bracing or strutting arrangement that the above embodiment of the present invention provides, this motor machine overhead guard bracing or strutting arrangement can be when machine overhead guard door be opened, locking by two support bars, firm support machine overhead guard door, when needs are closed machine overhead guard door, can be by the control lever of operation release mechanism, simple and easyly by two strut releases, close machine overhead guard door, promote safety, and reduced the structural member be slidably matched in bracing or strutting arrangement, thereby reduced the generation of wearing and tearing and corrosion phenomena, extended the application life of bracing or strutting arrangement.
The embodiment of the present invention also provides a kind of engineering machinery, and it is provided with any above-mentioned motor machine overhead guard bracing or strutting arrangement, therefore, has advantages of same as described abovely, repeats no more.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. a motor machine overhead guard bracing or strutting arrangement, the machine overhead guard door (202) for supporting engines, is characterized in that, comprising:
The first strut (208), its first end is hinged to the framework (201) of described motor machine overhead guard;
The second strut (209), the second end of its first end and described the first strut (208) is hinged, and the second end of described the second strut (209) and described machine overhead guard door (202) are hinged;
Lockable mechanism, be arranged between described the first strut (208) and described the second strut (209), for selectively locking described the first strut (208) and described the second strut (209), described the first strut (208) and described the second strut (209) fixed support described machine overhead guard door (202) are opened;
Release mechanism, be arranged on described machine overhead guard door (202) upper, and be connected with described lockable mechanism, for the described lockable mechanism of release, described the first strut (208) and described the second strut (209) can be relatively rotated, and closes described machine overhead guard door (202).
2. motor machine overhead guard bracing or strutting arrangement according to claim 1, is characterized in that, described lockable mechanism comprises the first locking plate (211), the second locking plate (212), the first bearing pin (214), the second bearing pin (215) and the keeper that resets (213), wherein
Described the first locking plate (211) and described the second locking plate (212) are arranged on described the second strut (209) rotationally by described the first bearing pin (214) and described the second bearing pin (215) respectively;
Described the first locking plate (211) all has the sawtooth end with described the second locking plate (212), the described keeper that resets (213) is connected with described the first locking plate (211), described the second locking plate (212) respectively, makes the sawtooth end of described the first locking plate (211) and the sawtooth end of described the second locking plate (212) keep engagement;
Described the first locking plate (211) also has the locking end for coordinating with the second end locking of described the first strut (208);
Described the second locking plate (212) also is connected with described release mechanism, and described release mechanism acts on the direction of the moment of described the second locking plate (212), with the described keeper that resets (213), acts on the opposite direction of the moment of described the second locking plate (212).
3. motor machine overhead guard bracing or strutting arrangement according to claim 2, it is characterized in that, the described keeper that resets (213) is the first back-moving spring, and the two ends of described the first back-moving spring are connected with described the second locking plate (212) with described the first locking plate (211) respectively.
4. motor machine overhead guard bracing or strutting arrangement according to claim 2, is characterized in that, the locking end of described the first locking plate (211) is the hook-shaped groove, and the second end of described the first strut (208) is provided with protuberance or the lock pin with described groove fit.
5. motor machine overhead guard bracing or strutting arrangement according to claim 2, it is characterized in that, the position of described the first locking plate (211) and described the second locking plate (212) engagement respectively with described the first bearing pin (214) and described the second bearing pin (215) apart from sum, be greater than the distance between described the first bearing pin (214) and described the second bearing pin (215).
6. motor machine overhead guard bracing or strutting arrangement according to claim 2, it is characterized in that, on described the second strut (209), be provided with for limiting the limiting plate (216) of described the first locking plate (211), for limiting described the first locking plate (211) to breaking away from the extreme position moved with the direction of described the second locking plate (212) engagement.
7. motor machine overhead guard bracing or strutting arrangement according to claim 2, it is characterized in that, described release mechanism comprises the lever assembly be arranged on described machine overhead guard door (202), and the connecting portion (207) that connects described lever assembly and described the second locking plate (212), wherein
Described lever assembly comprises back shaft (205) and control lever (204), described back shaft (205) is arranged on described machine overhead guard door (202), it is upper that described control lever (204) is arranged on described back shaft (205) rotationally, and an end of described control lever (204) is connected with described connecting portion (207);
The connecting rod that described connecting portion (207) is rigidity or flexible connecting strand.
8. motor machine overhead guard bracing or strutting arrangement according to claim 7, is characterized in that, described release mechanism also comprises housing (206) and the second back-moving spring (210), wherein,
It is upper that described housing (206) is arranged on described machine overhead guard door (202), and cover part and the described back shaft (205) of described control lever (204), and the other end of described control lever (204) stretches out described housing (206);
One end of described the second back-moving spring (210) is connected on described control lever (204), the other end is connected to described housing (206) or described machine overhead guard door (202) is upper, and described the second back-moving spring (210) is identical to the opplied moment direction of described control lever (204) with described connecting portion (207).
9. according to the described motor machine of any one overhead guard bracing or strutting arrangement in claim 2-8, it is characterized in that, described the second strut (209) comprise the first clamping plate (2091), the second clamping plate (2092) and be folded in described the first clamping plate (2091) and described the second clamping plate (2092) between dividing plate (2093);
It is upper that described the first locking plate (211) and described the second locking plate (212) are arranged on described the first clamping plate (2091) rotationally by described the first bearing pin (214) and described the second bearing pin (215) respectively, and described the first bearing pin (214) and described the second bearing pin (215) are located between described the first clamping plate (2091) and described the second clamping plate (2092).
10. an engineering machinery, is characterized in that, is provided with as the described motor machine of any one in claim 1-9 overhead guard bracing or strutting arrangement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310359145.6A CN103437610B (en) | 2013-08-18 | 2013-08-18 | Engine top cover support device and engineering machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310359145.6A CN103437610B (en) | 2013-08-18 | 2013-08-18 | Engine top cover support device and engineering machinery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103437610A true CN103437610A (en) | 2013-12-11 |
| CN103437610B CN103437610B (en) | 2016-02-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310359145.6A Active CN103437610B (en) | 2013-08-18 | 2013-08-18 | Engine top cover support device and engineering machinery |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5829198A (en) * | 1996-01-18 | 1998-11-03 | Mitsui Kinzoku Kogyo Kabushiki Kaisha | Opening and closing device for vehicle sliding door |
| CN1858389A (en) * | 2005-05-03 | 2006-11-08 | 沃尔沃建造设备控股（瑞典）有限公司 | Locking and unlocking apparatus of engine hood |
| KR20110008809U (en) * | 2010-03-10 | 2011-09-16 | 임국건 | Heavy Duty Cover Opener |
| CN202071899U (en) * | 2011-04-28 | 2011-12-14 | 福田雷沃国际重工股份有限公司 | Hood lock |
| CN202624398U (en) * | 2012-04-28 | 2012-12-26 | 浙江吉利汽车研究院有限公司杭州分公司 | Car engine hood lock |
| CN202658651U (en) * | 2012-05-25 | 2013-01-09 | 常林股份有限公司 | Engine cover stay bar assembly of excavator |
-
2013
- 2013-08-18 CN CN201310359145.6A patent/CN103437610B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5829198A (en) * | 1996-01-18 | 1998-11-03 | Mitsui Kinzoku Kogyo Kabushiki Kaisha | Opening and closing device for vehicle sliding door |
| CN1858389A (en) * | 2005-05-03 | 2006-11-08 | 沃尔沃建造设备控股（瑞典）有限公司 | Locking and unlocking apparatus of engine hood |
| KR20110008809U (en) * | 2010-03-10 | 2011-09-16 | 임국건 | Heavy Duty Cover Opener |
| CN202071899U (en) * | 2011-04-28 | 2011-12-14 | 福田雷沃国际重工股份有限公司 | Hood lock |
| CN202624398U (en) * | 2012-04-28 | 2012-12-26 | 浙江吉利汽车研究院有限公司杭州分公司 | Car engine hood lock |
| CN202658651U (en) * | 2012-05-25 | 2013-01-09 | 常林股份有限公司 | Engine cover stay bar assembly of excavator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103437610B (en) | 2016-02-10 |
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