CN102086654A - Switch control device for front door of heavy engineering equipment - Google Patents
Switch control device for front door of heavy engineering equipment Download PDFInfo
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- CN102086654A CN102086654A CN2010105795863A CN201010579586A CN102086654A CN 102086654 A CN102086654 A CN 102086654A CN 2010105795863 A CN2010105795863 A CN 2010105795863A CN 201010579586 A CN201010579586 A CN 201010579586A CN 102086654 A CN102086654 A CN 102086654A
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Abstract
The invention relates to a switch control device for the front door of heavy engineering equipment. When a switch is installed on the front door of a cab of heavy engineering equipment, the door can be easily lifted when the door is opened via a flexible element at the lower end of the front door, and the fast falling speed of the door due to gravity can be controlled when the front door is closed.
Description
Technical field
The present invention relates to be provided to the occasion at Qianmen of the driver's cabin of heavy engineering equipment at switch, by possessing elastic body in the lower end, Qianmen, can when opening wide, lift easily and the heavy engineering equipment that opens wide the Qianmen and when closing, can control the falling speed faster that causes by gravity with Qianmen switch controlling device (Openingand Closing Control apparatus front door for heavy construction equipment).
Background technology
Fig. 1 is the stereogram of the driver's cabin of the expression heavy engineering equipment that possesses the Qianmen, and Fig. 2 is the structure chart that is illustrated in the state that the Qianmen is opened wide in the driver's cabin of existing heavy engineering equipment.
With reference to Fig. 1 and Fig. 2, in existing heavy engineering equipment driver's cabin 100, Qianmen 110 is closed in the mode of being close to driver's cabin frame 120 when closing.When opening wide above-mentioned Qianmen 110, the upper shaft 111 at Qianmen moves about to the inside front of above-mentioned driver's cabin 100 along the guide part 121 that is installed on the above-mentioned driver's cabin frame 120.Be located at and be fixed with the roller (not shown) that is connected on the above-mentioned Qianmen upper shaft 111 on the holddown groove 121-1 on the above-mentioned guide part 121, when opening wide above-mentioned Qianmen 110, make above-mentioned roller (not shown) break away from and open wide from said fixing groove 121-1.Meanwhile, lower end, Qianmen axle 112 moves about upward along above-mentioned guide part 121.
The Qianmen of this existing heavy engineering equipment driver's cabin is when opening wide the Qianmen, because of center of gravity in the bottom, Qianmen thereby be difficult for lifting, when closing the Qianmen,, thereby has the defective of the worry that has Qianmen or the breakage of driver's cabin frame and security incident hidden danger etc. because of gravity falls with fast speed.
In order to address this problem, also there is employing to lift the method at Qianmen with wire (wire), but need to form in addition guide rail in this occasion of the mode of wire of utilizing, cause this required expense is increased, and characteristic because of the heavy engineering equipment, it is in the majority to vibrate stronger situation, has the worry that causes misoperation because of vibration.
So, for the Qianmen of switch heavy engineering equipment, can effectively prevent the breakage of component and the heavy engineering equipment Qianmen switch controlling device of security incident thereby require to develop the whereabouts that the user can lift easily and counteracting is caused by gravity when closing when opening wide the Qianmen with driver's cabin.
Summary of the invention
The present invention proposes in order to solve aforesaid problem, in the time of can to lift easily when opening wide the Qianmen in order being provided at and to close in that the Qianmen is descended the few heavy engineering equipment of danger of breakage and accident is developed with the Qianmen switch controlling device.
Heavy engineering of the present invention equipment forms the Qianmen 1100 that can make heavy engineering equipment driver's cabin 1000 and breaks away from and carry out switch to the interior side direction of above-mentioned driver's cabin 1000 from driver's cabin frame 1200, it is characterized in that, above-mentioned Qianmen 1100 comprises Qianmen upper shaft 1110 and lower end, Qianmen axle 1120, above-mentioned Qianmen upper shaft 1110 is formed at the upper end at above-mentioned Qianmen 1100 and breaks away from above-mentioned driver's cabin frame 1200 and move about to the interior side direction of above-mentioned driver's cabin 1000 when opening wide above-mentioned Qianmen 1100, lower end, above-mentioned Qianmen axle 1120 be formed at the lower end at above-mentioned Qianmen 1100 and when opening wide above-mentioned Qianmen 1100 guide part 1210 along above-mentioned driver's cabin frame 1200 move about upward, above-mentioned Qianmen 1100 comprises elastic body 1150, one end of this elastic body 1150 rotatably is incorporated into from lower end, above-mentioned Qianmen axle 1120 and leaves prescribed distance towards the top and the first elastic body support portion 1130 that is provided with, the other end rotatably is incorporated into the second elastic body support portion 1161, this second elastic body support portion 1161 in order move about in the end 1121 that can make lower end, above-mentioned Qianmen axle 1120 in the inboard is formed with guide strip 1160 corresponding to the space of moving about of the shape of above-mentioned end 1121, be arranged at and the corresponding direction of a side that is combined with above-mentioned end 1121.
Feature of the present invention is, above-mentioned Qianmen 1100 possesses the first lower end deflector roll 1170 and the second lower end deflector roll 1180, wherein, lower end, the above-mentioned Qianmen shaft end 1121 that first axis of rotation 1171 and the breakthrough form of the above-mentioned first lower end deflector roll 1170 is formed in the space of moving about on the guide strip 1160 is connected, with moving about of this end 1121, with first axis of rotation 1171 is that benchmark is rotated, and move about in the inside of above-mentioned guide part 1210, the above-mentioned second lower end deflector roll 1180 is above-mentioned guide strip 1160 moving about and when moving about, be that benchmark is rotated and moves about in the inside of above-mentioned guide part 1210 by second axis of rotation 1181 of lower end also to be connected with above-mentioned guide strip 1160 and to be formed at than above-mentioned first axis of rotation 1171 formed positions with lower end, above-mentioned Qianmen axle 1120 and above-mentioned elastic body 1150.
Have, feature of the present invention is again, above-mentioned elastic body 1150 is the gas spring of the elastic force of the volumetric change of using selected arbitrary gas from nitrogen or compressed air simultaneously and spring.
In addition, feature of the present invention is, the length of the length that the space length that moves about of above-mentioned guide strip 1160 forms elastic body 1150 when opening wide above-mentioned Qianmen 1100 elastic body 1150 when closing above-mentioned Qianmen 1100 poor.
Heavy engineering equipment according to the present invention has following advantage with the Qianmen switch controlling device:
The first, owing to possess elastic body in the bottom, Qianmen, thereby the user can lift easily when opening wide the Qianmen, and utilizes elastic force when closing in that the Qianmen is descended and changed and the cushioning effect that obtains etc. can prevent the breakage and the security incident of component by gas volume.
The second, because in order not make elastic body hinder opening wide of Qianmen, the guide strip that elastic body moves about is provided with the guide roller that moves about on the guide part of driver's cabin frame, thereby has the effect at easy switch Qianmen.
Three, because elastic body can utilize the elastic body that is injected with gas in the inner space, not only gadgetize elastic force is also supplied with the cushion effect that changes according to gas volume, therefore, can more effectively prevent breakage and accident when closing in that the Qianmen is descended.
Description of drawings
Fig. 1 is the stereogram of the driver's cabin of the expression heavy engineering equipment that possesses the Qianmen.
Fig. 2 is the structure chart that is illustrated in the state that the Qianmen is opened wide in the driver's cabin of existing heavy engineering equipment.
Fig. 3 is the structure chart that expression is installed in the Qianmen of heavy engineering equipment driver's cabin of the present invention.
Fig. 4 is the structure chart that expression is installed in the major part of the Qianmen of heavy engineering of the present invention equipment driver's cabin and the bonding state between the driver's cabin frame.
Fig. 5 represents to be installed in the stereogram of main composition of the upper end, Qianmen of heavy engineering equipment driver's cabin of the present invention.
Fig. 6 is the stereogram of the state that moves about of the bottom, Qianmen when being illustrated in the driver's cabin switch Qianmen of heavy engineering of the present invention equipment.
Symbol description
The 100-driver's cabin, 110-Qianmen, 111-Qianmen upper shaft, lower end, 112-Qianmen axle, 120-driver's cabin frame, 121-guide part, the 121-1-holddown groove, 1000-driver's cabin, 1100-Qianmen, 1110-Qianmen upper shaft, lower end, 1120-Qianmen axle, lower end, 1121-Qianmen shaft end, the 1130-first elastic body support portion, the 1150-elastic body, 1160-guide strip, the 1161-second elastic body support portion, the 1170-first lower end deflector roll, 1171-first axis of rotation, the 1180-second lower end deflector roll, 1181-second axis of rotation, 1190-upper end deflector roll, 1200-driver's cabin frame, 1210-guide part, 1211-holddown groove.
The specific embodiment
In general, the heavy engineering equipment is also referred to as building machinery, and it comprises excavator, wheel loader, fork truck, sliding loader etc., and is of a great variety.The heavy engineering equipment also can consider to adopt unpiloted equipment, but the great majority that use at present equipment adopts operating personnel directly to take and the mode of performance of work, this people of having drive equipment have operating personnel can direct cognitive and the advantage of reply operation situation and contingent condition rapidly.
With the excavator is that example describes.Excavator is the building machinery that uses for digging sand or rock, is to carry out house site to build cause, road and the equipment of several work such as water conservancy project journey, rivers and creeks transformation and retaining works, tunnel and subway foundation engineering, mudstone mining operations, clearing engineering, sand loading operation down.Can comprise at this excavator: by the bottom driving body of crawler belt or wheel driving; Possessed and rotatablely be combined in the upper end of bottom driving body and space that the driver can take is the top cycle body of driver's cabin (swing); And along working equipments such as the swing arm of the place ahead direction combination rotationally of cycle body, forearm, scraper bowls.Be installed on this top cycle body driver's cabin in general, door is positioned at that the side promptly is formed with side door so that the driver comes in and goes out.But except this side door, also have operating personnel recently according to the situation of operating environment needs from the place ahead discrepancy of driver's cabin, and for the visual field that is intended to guarantee when heavy engineering equipment carries out the lower end operation to be used to confirm the operation process and bidirectional ventilated etc., but it is in the majority to possess the situation at Qianmen in the mode of the front window of switch driver's cabin.
Describe the embodiments of the invention of the switch that relates to this Qianmen with reference to the accompanying drawings in detail.
Fig. 1 is the stereogram of the driver's cabin of the expression heavy engineering equipment that possesses the Qianmen, Fig. 3 is the structure chart at the Qianmen of the expression heavy engineering equipment driver's cabin that is installed in one embodiment of the invention, Fig. 4 is the structure chart of the major part of the Qianmen of the expression heavy engineering equipment driver's cabin that is installed in one embodiment of the invention and the bonding state between the driver's cabin frame, Fig. 5 represents to be installed in the stereogram of main composition of upper end, Qianmen of the heavy engineering equipment driver's cabin of one embodiment of the invention, and Fig. 6 is the stereogram of the state that moves about of the bottom, Qianmen when being illustrated in the driver's cabin switch Qianmen of heavy engineering equipment of one embodiment of the invention.
With reference to Fig. 1 and Fig. 3, the heavy engineering equipment comprises elastic body 1150 and guide strip 1160 with the switch controlling device at Qianmen, selectively comprises the first lower end deflector roll 1170 and the second lower end deflector roll 1180.
With reference to Fig. 1 and Fig. 3, be installed in the space that driver's cabin 1000 persons of being to use on the heavy engineering equipment take, be to carry out the operation of heavy engineering equipment and the space of operation by various instrument boards and switch, action bars etc.At above-mentioned driver's cabin 1000, except user's main access door is the side door, as mentioned above, the situation that possesses Qianmen 1100 is in the majority.Because the situation for above-mentioned driver's cabin 1000 in addition is identical with common situation, thereby repeats no more here.
With reference to Fig. 1 and Fig. 3, above-mentioned Qianmen 1100 is installed in the above-mentioned driver's cabin 1000 of heavy engineering equipment, forms can make above-mentioned Qianmen 1100 break away from the driver's cabin frame 1200 of the skeleton that is equivalent to above-mentioned driver's cabin 1000 and carry out switch to the interior side direction of above-mentioned driver's cabin 1000.For the side door (not marking drawing reference numeral) of above-mentioned driver's cabin 1000,, in general, adopt to the situation of the mode of the outside direction rotation of above-mentioned driver's cabin 1000 in the majority though can there be various embodiments.In contrast to this, as mentioned above, the function at above-mentioned Qianmen 1100 is different from above-mentioned side door (not marking drawing reference numeral).For being intended to the occasion of coming in and going out or ventilating, carry out the function that is similar to above-mentioned side door (not marking drawing reference numeral), and above-mentioned Qianmen 1100 when carrying out operation at the scene in order to confirm that the operation process can also carry out the function of guaranteeing visual field.With the excavator is example, and it is also more to carry out the ground of position of the digging operation situation also lower than the ground at excavator place.In this case, the user for being sitting in the driver's cabin 1000 guarantees that in order to carry out operation the visual field of lower end side seems particularly important.For this reason, by above-mentioned Qianmen 1100 upwards being lifted and fixing, just can carry out operation effectively.Therefore, above-mentioned Qianmen 1100 is preferably formed as to breaking away from driver's cabin frame 1200 and carries out switch to the interior side direction of above-mentioned driver's cabin 1000.
With reference to Fig. 3 and Fig. 4, above-mentioned Qianmen 1100 comprises Qianmen upper shaft 1110 and lower end, Qianmen axle 1120.Above-mentioned Qianmen upper shaft 1110 is formed at the upper end at above-mentioned Qianmen 1100, and leaves above-mentioned driver's cabin frame 1200 and move about to the interior side direction of above-mentioned driver's cabin 1000 when opening wide above-mentioned Qianmen 1100.Meanwhile, lower end, above-mentioned Qianmen axle 1120 is formed at the lower end at above-mentioned Qianmen 1100, and the guide part 1210 along above-mentioned driver's cabin frame 1200 moves about upward when opening wide above-mentioned Qianmen 1100.To narrate in the back for above-mentioned guide part 1210.In order to make the user can guarantee field of front vision, glass is preferably adopted at above-mentioned Qianmen 1100, and this glass can be identical with general vehicle glass.Switch for the above-mentioned Qianmen 1100 that formed by glass possesses above-mentioned Qianmen upper shaft 1110, and possesses lower end, above-mentioned Qianmen axle 1120 in the bottom in the upper end at above-mentioned Qianmen 1100.Above-mentioned Qianmen upper shaft 1110 and lower end, above-mentioned Qianmen axle 1120 are the positions of moving about that are used to bear the above-mentioned Qianmen 1100 with predetermined weight, thereby preferably adopt metal material with rigidity to a certain degree, also can be the embodiment that forms by the material identical with the above-mentioned driver's cabin frame 1200 of the skeleton that forms above-mentioned driver's cabin 1000.
With reference to Fig. 3 and Fig. 4, above-mentioned guide part 1210 is installed on the above-mentioned driver's cabin frame 1200, plays a part to make above-mentioned Qianmen upper shaft 1110 and lower end, above-mentioned Qianmen axle 1120 can to move about according to the direction of design along the track of above-mentioned guide part 1210 when moving about.Therefore, above-mentioned guide part 1210 preferably is installed in above-mentioned Qianmen upper shaft 1110 and lower end, above-mentioned Qianmen axle 1120 and moves about to the entire path of the state that opens wide from the closed condition at above-mentioned Qianmen 1100 the biglyyest.Above-mentioned guide part 1210 is preferably formed in the above-mentioned driver's cabin frame 1200 near the position that above-mentioned Qianmen 1100 is installed, and, in above-mentioned driver's cabin 1000, be installed in the interior side direction that the user takes and be advisable.Above-mentioned guide part 1210 for upper end deflector roll 1190 and the first lower end deflector roll 1170 and the second lower end deflector roll 1180 while rotating the space of moving about.To narrate in the back for above-mentioned upper end deflector roll 1190, the above-mentioned first lower end deflector roll 1170 and the second lower end deflector roll 1180.
With reference to Fig. 3 and Fig. 4, an end of above-mentioned elastic body 1150 rotatably is incorporated into from lower end, above-mentioned Qianmen axle 1120 and leaves prescribed distance towards the top and the first elastic body support portion 1130 that is provided with.The above-mentioned first elastic body support portion 1130 can form also leaves upward than lower end, above-mentioned Qianmen axle 1120 in above-mentioned Qianmen 1100 and gives prominence to the left and right directions at above-mentioned Qianmen 1100.The above-mentioned first elastic body support portion 1130 be preferably formed as to possessing roller (not shown) at outstanding position thus can for the switch motion of following above-mentioned Qianmen 1100 move about along above-mentioned guide part 1210 up and down direction move about.In the above-mentioned first elastic body support portion 1130 rotatably in conjunction with an end of above-mentioned elastic body 1150.This is because the position of above-mentioned elastic body 1150 changes with the switch motion at above-mentioned Qianmen 1100, will narrate in the back for the explanation of the switching process at above-mentioned Qianmen 1100.On lower end, above-mentioned Qianmen axle 1120, form to the outstanding end 1121 of the left and right directions at above-mentioned Qianmen 1100.Lower end, above-mentioned Qianmen axle 1121 is so that the space that lower end, above-mentioned Qianmen axle 1120 can move about with the mode that the switch motion at above-mentioned Qianmen 1100 is moved about is exactly above-mentioned guide strip 1160.
With reference to Fig. 3 and Fig. 4, form corresponding to lower end, above-mentioned Qianmen shaft end 1121 on above-mentioned guide strip 1160 is formed with groove to the inside more longways, makes lower end, above-mentioned Qianmen shaft end 1121 move about to the inboard of above-mentioned guide strip 1160 according to the moving about of switch motion with above-mentioned Qianmen 1100 of lower end, above-mentioned Qianmen axle 1120.At above-mentioned guide strip 1160, possesses the second elastic body support portion 1161 with the corresponding side in position that is combined with lower end, above-mentioned Qianmen shaft end 1121 under the situation of closing at above-mentioned Qianmen 1100.With the above-mentioned first elastic body support portion 1130 in the same manner, the above-mentioned second elastic body support portion 1161 is support portions of supporting above-mentioned elastic body 1150 in the mode that can make 1150 rotations of above-mentioned elastic body and move about.Therefore, an end of above-mentioned elastic body 1150 is supported in the above-mentioned first elastic body support portion 1130, and the other end of above-mentioned elastic body 1150 is supported in the above-mentioned second elastic body support portion 1161.Thus, an end of above-mentioned elastic body 1150 is connected with above-mentioned Qianmen 1100 with the above-mentioned first elastic body support portion, 1130 combinations, and the other end of above-mentioned elastic body 1150 is connected with above-mentioned guide strip 1160 with the above-mentioned second elastic body support portion, 1161 combinations.
With reference to Fig. 3 and Fig. 4, above-mentioned elastic body 1150 forms long cylindrical shape, can combine with above-mentioned first elastic body support portion 1130 and the above-mentioned second elastic body support portion 1161 and move about.The shape of above-mentioned elastic body 1150 is a kind of embodiment, certainly possesses variform.Above-mentioned elastic body 1150 should be designed to when opening wide above-mentioned Qianmen 1100 with above-mentioned Qianmen 1100 up jack-up make the user to lift easily, thereby and when closing above-mentioned Qianmen 1100 up jack-up to offset gravity above-mentioned Qianmen 1100 can not hurtled down because of gravity.Above-mentioned elastic body 1150 can consider except utilize as the elastic body of spring etc. also utilize embodiment simultaneously by the cushion effect of gas volume variation.In this case, above-mentioned elastic body 1150 can be that inside possesses mechanical elasticity body and the inner structure that is filled with as fluids such as nitrogen or compressed air and encapsulation as spring etc.In this case, the restoring force by compressed mechanical elasticity body when opening wide above-mentioned Qianmen 1100 and be compressed into the volume restoring force of the fluid of smaller size smaller can be with above-mentioned Qianmen 1100 jack-up upward easily.In contrast, when closing above-mentioned Qianmen 1100, sharply compress the mechanical elasticity body and the volume that elongate by the above-mentioned Qianmen 1100 that falls because of gravity and become big fluid, thereby reduce the falling speed at above-mentioned Qianmen 1100, thereby can prevent the breakage and the security incident of the equipment that causes because of hurtling down.
With reference to Fig. 3 and Fig. 4, above-mentioned Qianmen 1100 can possess the first lower end deflector roll 1170 and the second lower end deflector roll 1180.The above-mentioned first lower end deflector roll 1170 forms and lower end, above-mentioned Qianmen shaft end 1121 is connected and moves about in the space of moving about of the inboard that is formed at above-mentioned guide strip 1160.Lower end, above-mentioned Qianmen shaft end 1121 connects and moves about in the space of moving about of above-mentioned guide strip 1160, and combines with first axis of rotation 1171 that forms the above-mentioned first lower end deflector roll 1170.Lower end, above-mentioned Qianmen shaft end 1121 moves about on above-mentioned guide strip 1160 along the vertical direction with the switch motion at above-mentioned Qianmen 1100, the above-mentioned thereupon first lower end deflector roll 1170 is that benchmark is rotated with above-mentioned first axis of rotation 1171, and moves about in above-mentioned guide part 1210 along the track of above-mentioned guide part 1210.The above-mentioned second lower end deflector roll 1180 is above-mentioned guide strip 1160 moving about and when moving about, be the benchmark rotation and move about with above-mentioned second axis of rotation 1181 that is connected with above-mentioned guide strip 1160 with lower end, above-mentioned Qianmen axle 1120 and above-mentioned elastic body 1150.Also be advisable by the lower end than the position that forms above-mentioned first axis of rotation 1171 in the formation position of above-mentioned second axis of rotation 1181.The above-mentioned second lower end deflector roll 1180 forms with above-mentioned second axis of rotation 1181 and is benchmark rotation and moves about in the inside of above-mentioned guide part 1210.
With reference to Fig. 5, when carrying out switch motion, can confirm moving about of above-mentioned Qianmen upper shaft 1110 at above-mentioned Qianmen 1100.When above-mentioned Qianmen 1100 is closed and fixedly the time at above-mentioned guide part 1210, is arranged on above-mentioned upper end deflector roll 1190 on the above-mentioned Qianmen upper shaft 1110 and should be fixed and move about.For this reason, on above-mentioned guide part 1210, holddown groove 1211 can be set, with reference to Fig. 5 as can be known, along with above-mentioned driver's cabin frame 1200 from the front of above-mentioned driver's cabin 1000 to the end face bending, above-mentioned guide part 1210 also forms in the mode according to the formation direction bending of above-mentioned driver's cabin frame 1200.If above-mentioned upper end deflector roll 1190 is fixed in above-mentioned guide part 1210 knees, then the above-mentioned Qianmen upper shaft 1110 that is connected with above-mentioned upper end deflector roll 1190 is fixed, and just can not move about or vibrate at above-mentioned Qianmen 1100.Therefore, said fixing groove 1211 be preferably formed as in above-mentioned guide part 1210 to the lateral direction of above-mentioned driver's cabin 1000 depression.When opening wide above-mentioned Qianmen 1100 so that be fixed on mode that the above-mentioned upper end deflector roll 1190 in the said fixing groove 1211 can move about along the track of above-mentioned guide part 1210 above-mentioned Qianmen 1100 is spurred to the inside after upward pull-up get final product.
Above-mentioned Qianmen 1100 moving about when Fig. 6 represents the above-mentioned Qianmen 1100 of switch in the bottom.Fig. 6 a represents that above-mentioned Qianmen 1100 closes and sealed state.Fig. 6 b is illustrated in the process of opening wide above-mentioned Qianmen 1100, and above-mentioned elastic body 1150 is relaxed and extends the state that lower end, above-mentioned thus Qianmen shaft end 1121 utilizes the above-mentioned first lower end deflector roll 1170 to move about upward along above-mentioned guide strip 1160 upward.Fig. 6 c represents above-mentioned Qianmen 1100 further pushed to than Fig. 6 b and above-mentioned guide strip 1160 is moved about and during the state that opens wide fully towards the top, the state that the above-mentioned second lower end deflector roll 1180 moves about towards the top along above-mentioned guide part 1210.Reverse order according to above-mentioned unlimited process when closing above-mentioned Qianmen 1100 gets final product.The differential of the length of the above-mentioned elastic body 1150 that the length that the space length that moves about of above-mentioned guide strip 1160 forms the above-mentioned elastic body of being measured when opening wide above-mentioned Qianmen 1,100 1150 is measured when closing above-mentioned Qianmen 1100 closely is advisable.This is because above-mentioned guide strip 1160 provides the event in the space of moving about of lower end, above-mentioned Qianmen shaft end 1121 according to the caused change in length of loose contractile motion of above-mentioned elastic body 1150.Just, during with reference to accompanying drawing, above-mentioned elastic body 1150 might be different from above-mentioned guide strip 1160 and ground surface angulation with the ground surface angulation, angle is floated with the unlimited degree at above-mentioned Qianmen 1100, therefore, near rather than identical being advisable of differential of the length of the above-mentioned elastic body 1150 measured when closing above-mentioned Qianmen 1100 of the space length that moves about of above-mentioned guide strip 1160 length that forms the above-mentioned elastic body of being measured when opening wide above-mentioned Qianmen 1,100 1150.
Should not be defined in the above embodiment of the present invention and interpretation technique thought.Need not put speech, the scope of application is more wide, under the situation that does not exceed the main idea of the present invention for required protection in claims, just can implement various deformation with those skilled in the art's level.Therefore, this modification and change are self-evident to those skilled in the art, all belong to protection scope of the present invention.
Claims (4)
1. heavy engineering equipment use the Qianmen switch controlling device, forms the Qianmen (1100) that can make heavy engineering equipment driver's cabin (1000) and carries out switch from driver's cabin frame (1200) disengaging to the interior side direction of above-mentioned driver's cabin (1000), it is characterized in that,
Above-mentioned Qianmen (1100) comprises Qianmen upper shaft (1110) and lower end, Qianmen axle (1120),
Above-mentioned Qianmen upper shaft (1110) is formed at the upper end at above-mentioned Qianmen (1100) and breaks away from above-mentioned driver's cabin frame (1200) and move about to the interior side direction of above-mentioned driver's cabin (1000) when unlimited above-mentioned Qianmen (1100), lower end, above-mentioned Qianmen axle (1120) be formed at the lower end at above-mentioned Qianmen (1100) and when opening wide above-mentioned Qianmen (1100) guide part (1210) along above-mentioned driver's cabin frame (1200) move about upward
Above-mentioned Qianmen (1100) comprises elastic body (1150), one end of this elastic body (1150) rotatably is incorporated into from lower end, above-mentioned Qianmen axle (1120) and leaves prescribed distance towards the top and the first elastic body support portion (1130) that is provided with, the other end rotatably is incorporated into the second elastic body support portion (1161), this second elastic body support portion (1161) in order move about in the end (1121) that can make lower end, above-mentioned Qianmen axle (1120) in the inboard is formed with guide strip (1160) corresponding to the space of moving about of the shape of above-mentioned end (1121), be arranged at and the corresponding direction of a side that is combined with above-mentioned end (1121).
2. heavy engineering equipment according to claim 1 is used the Qianmen switch controlling device, it is characterized in that,
Above-mentioned Qianmen (1100) possesses the first lower end deflector roll (1170) and the second lower end deflector roll (1180), wherein,
First axis of rotation (1171) of the above-mentioned first lower end deflector roll (1170) is connected with lower end, the above-mentioned Qianmen shaft end (1121) that breakthrough form is formed in the space of moving about on the guide strip (1160), with moving about of this end (1121), with first axis of rotation (1171) is that benchmark is rotated, and move about in the inside of above-mentioned guide part (1210)
The above-mentioned second lower end deflector roll (1180) is above-mentioned guide strip (1160) moving about and when moving about, be that benchmark is rotated and moves about in the inside of above-mentioned guide part (1210) by second axis of rotation (1181) of lower end also to be connected with above-mentioned guide strip (1160) and to be formed at than the formed position of above-mentioned first axis of rotation (1171) with lower end, above-mentioned Qianmen axle (1120) and above-mentioned elastic body (1150).
3. heavy engineering equipment according to claim 1 and 2 is used the Qianmen switch controlling device, it is characterized in that,
Above-mentioned elastic body (1150) is the gas spring of the elastic force of the volumetric change of using selected arbitrary gas from nitrogen or compressed air simultaneously and spring.
4. heavy engineering equipment according to claim 1 and 2 is used the Qianmen switch controlling device, it is characterized in that,
The length of the length that the space length that moves about of above-mentioned guide strip (1160) forms elastic body (1150) when opening wide above-mentioned Qianmen (1100) elastic body (1150) when closing above-mentioned Qianmen (1100) poor.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2009-0120894 | 2009-12-08 | ||
| KR1020090120894A KR101625677B1 (en) | 2009-12-08 | 2009-12-08 | Opening and Closing Control apparatus of front door for heavy construction equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102086654A true CN102086654A (en) | 2011-06-08 |
| CN102086654B CN102086654B (en) | 2013-08-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010579586 Expired - Fee Related CN102086654B (en) | 2009-12-08 | 2010-12-03 | Switch control device for front door of heavy engineering equipment |
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| KR (1) | KR101625677B1 (en) |
| CN (1) | CN102086654B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103161376A (en) * | 2013-02-23 | 2013-06-19 | 三一重机有限公司 | Cab and front window of the cab and engineering machinery |
| CN104126046A (en) * | 2013-02-22 | 2014-10-29 | 株式会社小松制作所 | Construction machinery cab and construction machinery |
| US9221319B2 (en) | 2013-02-22 | 2015-12-29 | Komatsu Ltd. | Cab for construction machine and construction machine |
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| JP2009155815A (en) * | 2007-12-25 | 2009-07-16 | Hitachi Constr Mach Co Ltd | Construction machinery |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000265729A (en) | 1999-03-18 | 2000-09-26 | Shin Caterpillar Mitsubishi Ltd | Open-close device |
-
2009
- 2009-12-08 KR KR1020090120894A patent/KR101625677B1/en active IP Right Grant
-
2010
- 2010-12-03 CN CN 201010579586 patent/CN102086654B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11200693A (en) * | 1998-01-09 | 1999-07-27 | Chuo Spring Co Ltd | Window opening and closing device of cabin |
| EP1081294A1 (en) * | 1999-09-01 | 2001-03-07 | Kubota Corporation | Backhoe |
| CN1366567A (en) * | 2000-03-28 | 2002-08-28 | 日立建机株式会社 | Cabin of construction machinery |
| CN101177947A (en) * | 2006-11-08 | 2008-05-14 | 沃尔沃建造设备控股（瑞典）有限公司 | Driver's compartment used for heavy-duty equipment |
| JP2009155815A (en) * | 2007-12-25 | 2009-07-16 | Hitachi Constr Mach Co Ltd | Construction machinery |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104126046A (en) * | 2013-02-22 | 2014-10-29 | 株式会社小松制作所 | Construction machinery cab and construction machinery |
| US9221319B2 (en) | 2013-02-22 | 2015-12-29 | Komatsu Ltd. | Cab for construction machine and construction machine |
| CN104126046B (en) * | 2013-02-22 | 2016-02-17 | 株式会社小松制作所 | For driver's cabin and the engineering machinery of engineering machinery |
| CN103161376A (en) * | 2013-02-23 | 2013-06-19 | 三一重机有限公司 | Cab and front window of the cab and engineering machinery |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20110064347A (en) | 2011-06-15 |
| CN102086654B (en) | 2013-08-07 |
| KR101625677B1 (en) | 2016-05-31 |
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