CN211950294U - Folding staircase and mixer truck - Google Patents

Folding staircase and mixer truck Download PDF

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Publication number
CN211950294U
CN211950294U CN202020343789.1U CN202020343789U CN211950294U CN 211950294 U CN211950294 U CN 211950294U CN 202020343789 U CN202020343789 U CN 202020343789U CN 211950294 U CN211950294 U CN 211950294U
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escalator
platform
vehicle
hinged
side link
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CN202020343789.1U
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王道理
刘斌
莫康佳
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Sany Special Vehicle Co Ltd
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Sany Special Vehicle Co Ltd
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Abstract

The utility model provides a folding staircase and trucd mixer, wherein, folding staircase includes: an escalator body; an escalator platform; the supporting piece is located below the escalator platform, one end of the supporting piece is hinged to the vehicle, the other end of the supporting piece is hinged to the lower portion of the escalator platform, one end of the escalator platform is hinged to the vehicle, the other end of the escalator platform is movably connected with the upper portion of the escalator body, the escalator body and the escalator platform are suitable for rotating around the hinged portion of the escalator platform and the vehicle, and the supporting piece is suitable for rotating around the hinged portion of the supporting piece and the vehicle, so that the folding escalator is switched between the unfolding state and the folding state. This folding staircase expandes and packs up more swiftly, and can be convenient for the user when expandeing to scramble the operation, can reduce folding staircase in trucd mixer width direction's occupation space when folding to improve the holistic trafficability characteristic of trucd mixer, the trucd mixer of being convenient for traveles in narrow region and passes through.

Description

Folding staircase and mixer truck
Technical Field
The utility model relates to the technical field of vehicles, particularly, relate to a folding staircase and including trucd mixer of this folding staircase.
Background
At present, the staircase setting of current vehicle is in the automobile body side, leads to:
1. the vehicle body width dimension is large, and the passability is reduced (the vehicle cannot pass through a narrow region).
2. Occupies the space of the vehicle body (width direction or height direction) and has poor use convenience.
SUMMERY OF THE UTILITY MODEL
In order to improve at least one of the above technical problems, an object of the present invention is to provide a folding escalator.
Another object of the utility model is to provide an agitator truck including above-mentioned folding staircase.
In order to achieve the above object, the utility model discloses technical scheme of the first aspect provides a folding staircase, include: an escalator body; an escalator platform; a support member; the support member is located below the escalator platform, one end of the support member is hinged to the vehicle, the other end of the support member is hinged to the lower portion of the escalator platform, one end of the escalator platform is hinged to the vehicle, the other end of the escalator platform is movably connected with the upper portion of the escalator body, the escalator platform is suitable for rotating around the escalator platform and the hinged portion of the vehicle, the support member is suitable for rotating around the support member and the hinged portion of the vehicle, and the escalator body can rotate relative to the escalator platform and the support member.
Through the structure, the escalator body can drive the escalator platform to rotate around the escalator platform and the vehicle hinge position and the supporting piece rotates around the supporting piece and the vehicle hinge position, so that the folding escalator can be switched between the unfolding state and the folding state, and the escalator body can be selectively close to and far away from the vehicle in the switching process of the unfolding state and the folding state, and further the whole occupied space of the vehicle is changed.
The utility model discloses the folding staircase that technical scheme of first aspect provided for install on the vehicle, folding staircase includes staircase body, staircase platform and support piece. The supporting piece is positioned below the escalator platform, one end of the supporting piece is hinged with the vehicle, and the other end of the supporting piece is hinged with the lower part of the escalator body, so that the supporting piece can be unfolded or folded relative to the vehicle in a rotating mode; one end of the escalator platform is hinged with the vehicle, and the other end of the escalator platform is movably connected with the upper part of the escalator body, so that the escalator platform can be unfolded or folded relative to the vehicle in a rotating mode; when the escalator platform rotates relative to the vehicle, the escalator body can be driven to rotate around the hinged position of the escalator platform and the vehicle, and when the supporting piece rotates relative to the vehicle, the escalator body can be driven to rotate around the hinged position of the supporting piece and the vehicle, so that the folding escalator can be switched between an unfolding state and a folding state. When the folding escalator is folded, the occupied space of the whole vehicle in the width direction or the length direction of the vehicle can be effectively reduced, so that the integral trafficability of the vehicle is improved, and the vehicle can conveniently run in a narrow area.
It is worth explaining that the escalator platform is hinged with the vehicle, and the escalator platform cannot continuously rotate in the direction far away from the vehicle after rotating to the horizontal position through the limiting effect of the limiting part, so that the use stability of the escalator platform is ensured, and the use safety of a user is improved.
Additionally, the utility model provides a folding staircase among the above-mentioned technical scheme can also have following additional technical characteristics:
in the above technical scheme, the support member is a telescopic assembly, and the extension or the shortening of the support member is suitable for changing the inclination angle of the escalator body relative to the ground.
Support piece is flexible subassembly, then can increase the inclination on the relative ground of staircase body when support piece extension or shorten to operating personnel scrambles, has effectively improved operating personnel's work efficiency.
In the above technical scheme, the telescopic assembly includes a first side link for being hinged to the vehicle and a second side link sleeved in the first side link, one end of the second side link is hinged to the escalator body, and the second side link is adapted to extend out or retract along the length direction of the first side link; fixing holes are formed in the first side link and the second side link, and fasteners penetrate through the fixing holes at different positions to limit the relative position between the first side link and the second side link; or the telescopic assembly comprises a telescopic oil cylinder, one end of the telescopic oil cylinder is used for being hinged with the vehicle, and the other end of the telescopic oil cylinder is hinged with the lower part of the escalator body.
The telescopic assembly comprises a first side link and a second side link sleeved in the first side link, one end of the first side link is hinged to the vehicle, the second side link can stretch out or retract along the length direction of the first side link so as to adjust the inclination angle of the escalator body and the ground, and the structure and the principle are simple and easy to realize.
Through set up the fixed orifices on first side link and second side link, then extend to suitable position after first side link alright pass the fixed orifices of different positions on first connecting rod and the second connecting rod respectively through the fastener, make the rigidity of first side link and second side link to guarantee the rigidity of staircase body, thereby stability and security when improving the user climbing.
The telescopic assembly comprises a telescopic oil cylinder, one end of the telescopic oil cylinder is hinged to the vehicle, the other end of the telescopic oil cylinder is hinged to the escalator body, the oil cylinder can rotate relative to the vehicle, the inclined angle of the escalator body relative to the ground can be adjusted by extending or retracting the oil cylinder, and the telescopic assembly is simple in structure and principle and easy to achieve.
In the technical scheme, the other end of the escalator platform is rotatably connected with the upper part of the escalator body; or the escalator platform is provided with a sliding part, the escalator body is provided with a sliding fit part, and the sliding part is matched with the sliding fit part, so that the escalator body is suitable for sliding up and down relative to the escalator platform, and the escalator body and the escalator platform are suitable for rotating relatively.
One end of the escalator platform is hinged to the vehicle, and the other end of the escalator platform is rotatably connected with the upper portion of the escalator body, so that the escalator body can rotate relative to the escalator platform, and the inclination angle of the escalator body relative to the ground can be adjusted when the supporting piece extends or shortens.
Through set up sliding part on the staircase platform, set up sliding fit portion on the staircase body, sliding part and sliding fit portion cooperate mutually, for example: the sliding part is the slide rail, sliding fit portion is the spout, perhaps sliding part is the slide bar, sliding fit portion is the sliding hole of seting up for the length direction along the staircase body, the slide rail inserts spout or slide bar and inserts the sliding hole, make the staircase body can slide from top to bottom the staircase platform relatively, and because can rotate relatively between staircase body and the staircase platform, consequently when the relative vehicle of support piece rotates, can drive the relative staircase platform of staircase body and slide from top to bottom, the inclination on staircase body and ground can be adjusted again when support piece extension or shorten, the convenient degree that folding staircase expanded and packed up has been improved.
In any one of the above technical solutions, the sliding portion includes a first roller, the sliding fit portion includes guide grooves, the guide grooves are disposed on two sides of the escalator body in the width direction, and the first roller is located in the guide grooves, so that the escalator body is suitable for sliding up and down relative to the escalator platform.
The sliding part comprises first idler wheels arranged on the escalator platform, the sliding fit part comprises guide grooves arranged on two sides of the escalator body in the width direction, the guide grooves are matched with the first idler wheels in size, the first idler wheels are embedded in the first guide grooves, so that the escalator body can slide up and down relative to the escalator platform, and the stability and the smoothness of the escalator body when sliding relative to the escalator platform are improved.
In the above technical scheme, a second roller is arranged in the guide groove, and the second roller is suitable for being abutted against the first roller so as to limit the upward movement of the escalator body relative to the escalator platform.
Through set up the second gyro wheel in the guide way (all be provided with the second gyro wheel in the guide way of staircase body both sides), when the relative staircase platform of staircase body upwards slided, the second gyro wheel can end with first gyro wheel and support, plays limiting displacement to the relative staircase platform of restriction staircase body continues upward movement, the accessible makes the staircase body be in and withdraws the position this moment.
In any one of the above technical solutions, the escalator platform is provided with a fixing block, the fixing block is provided with a limiting groove, the upper end of the escalator body is provided with a fixing rod, and the fixing rod is inserted into the limiting groove to limit the escalator body to move downwards relative to the escalator platform.
Through setting up the fixed block on the staircase platform to set up the spacing groove on the fixed block, set up the dead lever in the upper end of staircase body, when the staircase body lapse, the dead lever can insert the spacing groove, plays limiting displacement, continues the lapse with the restriction staircase body, can fix the length of flexible subassembly this moment in order to guarantee the rigidity of staircase body, improves the stability of user climbing.
In any one of the above technical solutions, the folding escalator further includes: the guard bar component is arranged on the escalator platform and can be selectively folded on the escalator platform or unfolded relative to the escalator platform to form a guardrail; and/or, the folding staircase further comprises: and one end of the positioning rod is used for being connected with the vehicle, and the other end of the positioning rod is used for being detachably connected with the escalator body.
Folding staircase is still including setting up the fender rod subassembly on the staircase platform, and fender rod subassembly alternative folding is on the staircase platform or can expand formation guardrail relatively the staircase platform, in order to play the safety protection effect when the fender rod subassembly expands to improve the security when the user stands on the staircase platform, when the fender rod subassembly is folding, can effectively reduce the occupation space at the staircase body again, improve the holistic trafficability characteristic of vehicle.
Specifically, the guard bar component is fixed in position through bolts or screws when being unfolded relative to the escalator platform, and when needing to be retracted, the bolts or screws can be detached to retract the guard bar, so that the occupied space of the folding escalator is further reduced, and the integral trafficability of the vehicle is improved.
The folding staircase still includes the locating lever, and the one end and the vehicle of locating lever are connected, and the other end can be dismantled with the staircase body and be connected to the stability of staircase body is further guaranteed in the position that is used for fixed staircase body.
In any one of the above technical solutions, a handle is disposed at the lower end of the escalator body, and the handle is used for driving the escalator body to ascend or descend and driving the telescopic assembly to rotate relative to the vehicle.
The lower extreme of staircase body is equipped with the handle, and the handle setting is in the width direction's of staircase body both sides for drive staircase body slides from top to bottom relative staircase platform, so that the user expandes or withdraws, has improved the convenient degree that folding staircase used.
The utility model discloses technical scheme of the second aspect provides a mixer truck, include: a vehicle body; the foldable escalator is located on one side of the vehicle body in the width direction, one end of the supporting piece and one end of the escalator platform are hinged to the vehicle body respectively, when the foldable escalator is in an unfolded state, the escalator body is far away from the vehicle body, and when the foldable escalator is in a folded state, the escalator body is close to the vehicle body.
The utility model discloses the trucd mixer that technical scheme of second aspect provided, because of including any one in the first aspect technical scheme folding staircase, therefore have all beneficial effects that any above-mentioned technical scheme had, no longer describe here.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic structural view of a folding escalator according to an embodiment of the present invention;
fig. 2 is a schematic structural view of the folding escalator in an unfolded state according to an embodiment of the present invention;
FIG. 3 is an enlarged schematic view of portion A of FIG. 2;
fig. 4 is a schematic structural view of the folded staircase according to an embodiment of the present invention shown from another perspective in an unfolded state;
fig. 5 is a schematic structural view of a view angle of the folding escalator in a folded state according to an embodiment of the present invention;
fig. 6 is a schematic structural view of the folded escalator in accordance with one embodiment of the present invention, shown from another perspective in a folded state;
fig. 7 is a block diagram schematically illustrating a structure of a mixer truck according to an embodiment of the present invention.
Wherein, the correspondence between the reference numbers and the part names in fig. 1 to 7 is:
1 folding staircase, 10 staircase bodies, 101 second gyro wheel, 102 guide way, 103 dead levers, 20 staircase platform, 201 fixed block, 2011 spacing groove, 30 flexible subassembly, 301 first side link, 302 second side link, 303 fixed orifices, 40 fender rod subassemblies, 50 handles, 60 locating levers, 2 truckles, 21 automobile body.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
The folding staircase and the mixer truck according to some embodiments of the present invention will be described with reference to fig. 1 to 7.
Example one
As shown in fig. 1, the embodiment of the present invention provides a folding escalator 1, including: an escalator body 10; an escalator platform 20; the escalator comprises a supporting piece, wherein the supporting piece is positioned below an escalator platform 20, one end of the supporting piece is hinged with a vehicle, the other end of the supporting piece is hinged with the lower part of the escalator platform 20, one end of the escalator platform 20 is hinged with the vehicle, the other end of the escalator platform 20 is movably connected with the upper part of an escalator body 10, the escalator platform 20 is suitable for rotating around the hinge part of the escalator platform 20 and the vehicle, the supporting piece is suitable for rotating around the hinge part of the supporting piece and the vehicle, and the escalator body 10 can rotate relative to the escalator platform 20 and the supporting.
Through the structure, the escalator body 10 can drive the escalator platform 20 to rotate around the hinged position of the escalator platform 20 and the vehicle and the supporting piece rotates around the hinged position of the supporting piece and the vehicle, so that the folding escalator 1 is switched between the unfolding state and the folding state, and in the switching process of the unfolding state and the folding state of the folding escalator 1, the escalator body 10 can be selectively close to and far away from the vehicle, and further the occupied space of the whole vehicle in the width direction or the length direction of the vehicle is changed.
The embodiment of the first aspect of the utility model provides a folding staircase 1 for install on the vehicle, folding staircase 1 includes staircase body 10, staircase platform 20 and support piece. Wherein, the supporting member is located below the escalator platform 20, one end of the supporting member is hinged with the vehicle, and the other end is hinged with the lower part of the escalator body 10, so that the supporting member can be unfolded or folded relative to the vehicle in a rotating way; one end of the escalator platform 20 is hinged with the vehicle, and the other end is movably connected with the upper part of the escalator body 10, so that the escalator platform 20 can be unfolded or folded relative to the vehicle in a rotating way; when the escalator platform 20 rotates relative to the vehicle, the escalator body 10 can be driven to rotate around the hinged position of the escalator platform 20 and the vehicle, and when the supporting piece rotates relative to the vehicle, the escalator body 10 can be driven to rotate around the hinged position of the supporting piece and the vehicle, so that the folding escalator 1 can be switched between an unfolding state and a folding state. When the folding escalator 1 is folded, the occupied space in the width direction or the length direction of the vehicle can be effectively reduced, so that the integral trafficability of the vehicle is improved, and the vehicle can conveniently run and pass through a narrow area.
It should be noted that the escalator platform 20 is hinged to the vehicle, and the escalator platform 20 cannot rotate in a direction away from the vehicle after rotating to a horizontal position by the limiting action of the limiting member, so as to ensure the stability of the escalator platform 20 and improve the safety of the user.
Further, the support member is a telescopic assembly 30, and the extension or contraction of the support member is adapted to change the inclination angle of the escalator body 10 with respect to the ground.
Support piece is flexible subassembly, and then support piece extension or can adjust the inclination of staircase body 10 relative ground when shortening to operating personnel scrambles, has effectively improved operating personnel's work efficiency.
Specifically, the telescopic assembly 30 comprises a first side link 301 for being hinged with the vehicle and a second side link 302 sleeved in the first side link 301, one end of the second side link 302 is hinged with the escalator body 10, and the second side link 302 is adapted to extend out or retract along the length direction of the first side link 301, as shown in fig. 2.
The telescopic assembly 30 comprises a first side link 301 and a second side link 302 sleeved in the first side link 301, one end of the first side link 301 is hinged to the vehicle, and the second side link 302 can extend out or retract along the length direction of the first side link 301 to adjust the inclination angle of the escalator body 10 and the ground, so that the escalator body 10 can be in an inclined state and retract to a vertical state.
Further, the first side link 301 and the second side link 302 are provided with fixing holes 303, and the fasteners pass through the fixing holes 303 at different positions to define the relative position between the first side link 301 and the second side link 302, as shown in fig. 2.
Through set up fixed orifices 303 on first side link 301 and second side link 302, then after first side link 301 extends to suitable position alright pass the fixed orifices 303 of different positions on first connecting rod and the second connecting rod respectively through the fastener, make the rigidity of first side link 301 and second side link 302 to guarantee the rigidity of staircase body 10, thereby stability and security when improving the user and climbing.
EXAMPLE two (not shown)
The difference from the first embodiment is that: the telescopic assembly 30 comprises a telescopic cylinder, one end of which is used for being hinged with the vehicle, and the other end of which is hinged with the escalator body 10.
The telescopic assembly 30 comprises a telescopic oil cylinder, one end of the telescopic oil cylinder is hinged to the vehicle, the other end of the telescopic oil cylinder is hinged to the escalator body 10, the oil cylinder can rotate relative to the vehicle, the inclined angle of the escalator body 10 can be adjusted by extending or retracting, and the telescopic assembly is simple in structure and principle and easy to achieve.
Specifically, the other end of the escalator platform 20 is rotatably connected to the upper portion of the escalator body 10.
One end of the escalator platform 20 is hinged to the vehicle, and the other end is rotatably connected to the upper portion of the escalator body 10, so that the escalator body 10 can rotate relative to the escalator platform 20, and the inclination angle of the escalator body 10 relative to the ground can be adjusted when the supporting member is extended or shortened.
EXAMPLE III
The difference from the second embodiment is that: the escalator platform 20 is provided with a sliding part, the escalator body 10 is provided with a sliding matching part, and the sliding part is matched with the sliding matching part, so that the escalator body 10 is suitable for sliding up and down relative to the escalator platform 20, and the escalator body 10 and the escalator platform 20 are suitable for rotating relatively, as shown in fig. 1-3.
By providing the sliding portion on the escalator platform 20 and the sliding fit portion on the escalator body 10, the sliding portion and the sliding fit portion are matched, for example: the sliding part is the slide rail, sliding fit portion is the spout, perhaps sliding part is the slide bar, sliding fit portion is the sliding hole of seting up along the length direction of staircase body 10, the slide rail inserts spout or slide bar and inserts the sliding hole, make staircase body 10 slide from top to bottom relatively staircase platform 20, and because can rotate relatively between staircase body 10 and the staircase platform 20, consequently when the relative vehicle of support piece rotates, can drive staircase body 10 and slide from top to bottom relatively staircase platform 20, the inclination on staircase body 10 and ground can be adjusted again when support piece extension or shorten, the convenient degree that folding staircase 1 expanded and packed up has been improved.
Specifically, the sliding part includes first rollers (not shown in the figure), the sliding fit part includes guide grooves 102, the guide grooves 102 are provided at both sides of the width direction of the escalator body 10, and the first rollers are located in the guide grooves 102, so that the escalator body 10 is adapted to slide up and down relative to the escalator platform 20, as shown in fig. 2.
The sliding part comprises first rollers arranged on the escalator platform 20, the sliding fit part comprises guide grooves 102 arranged on two sides of the escalator body 10 in the width direction, the guide grooves 102 are matched with the first rollers in size, and the first rollers are embedded in the first guide grooves 102, so that the escalator body 10 can slide up and down relative to the escalator platform 20, and the stability and the fluency of the escalator body 10 when sliding relative to the escalator platform 20 are improved.
Further, a second roller 101 is disposed in the guide groove 102, and the second roller 101 is adapted to abut against the first roller to limit the upward movement of the escalator body 10 relative to the escalator platform 20, as shown in fig. 2 and 5.
Through setting up second gyro wheel 101 in the guide way 102 (all be provided with second gyro wheel 101 in the guide way 102 of staircase body 10 both sides), when staircase body 10 slided upwards relative to staircase platform 20, second gyro wheel 101 can end with first gyro wheel, plays limiting displacement to restriction staircase body 10 continues upward movement relative to staircase platform 20, and the accessible makes staircase body 10 be in the position of withdrawing this moment rotating staircase platform 20.
Further, a fixing block 201 is arranged on the escalator platform 20, a limiting groove 2011 is arranged on the fixing block 201, a fixing rod 103 is arranged at the upper end of the escalator body 10, and the fixing rod 103 is inserted into the limiting groove 2011 to limit the downward movement of the escalator body 10 relative to the escalator platform 20, as shown in fig. 2 and 3.
Through set up fixed block 201 on staircase platform 20 to set up spacing groove 2011 on fixed block 201, set up dead lever 103 in the upper end of staircase body 10, when staircase body 10 lapse, dead lever 103 can insert spacing groove 2011, plays limiting displacement, continues the lapse with restriction staircase body 10, can fix the length of flexible subassembly 30 with the rigidity of guaranteeing staircase body 10 this moment, improves the stability of user climbing.
Further, the folding escalator 1 further includes: and a guard bar assembly 40 disposed on the landing 20, the guard bar assembly 40 being selectively foldable on the landing 20 or unfoldable relative to the landing 20 to form a balustrade, as shown in fig. 2, 4 and 6.
The folding staircase 1 further comprises a guard bar assembly 40, the guard bar assembly 40 can be selectively folded on the staircase platform 20 or can be unfolded relative to the staircase platform 20 to form a guardrail, when the guard bar assembly 40 is unfolded, the guard bar assembly plays a role in safety protection so as to improve the safety of a user standing on the staircase platform 20, and when the guard bar assembly 40 is folded, the occupied space of the folding staircase 1 can be effectively reduced, so that the integral trafficability of a vehicle is improved.
Specifically, the guard bar assembly 40 is fixed in position by bolts or screws when being unfolded relative to the escalator platform 20, and when needing to be retracted, the bolts or screws can be disassembled to retract the guard bars, so as to further reduce the occupied space of the folded escalator 1 and improve the trafficability of the whole vehicle.
Further, the folding escalator 1 further includes: and one end of the positioning rod 60 is used for being connected with a vehicle, and the other end of the positioning rod 60 is used for being detachably connected with the escalator body 10, as shown in fig. 5.
The folding escalator 1 further comprises a positioning rod 60, one end of the positioning rod 60 is connected with a vehicle, and the other end of the positioning rod 60 is detachably connected with the escalator body 10 (such as connected by screws or bolts) so as to fix the position of the escalator body 10 and further ensure the stability of the escalator body 10.
Specifically, when the folding escalator 1 is to be used, the positioning rod 60 connected with the escalator body 10 through the screw for fixing the position of the escalator body is firstly removed, then the second side link sleeved in the first side link is stretched and fixed through the pin shaft at the corresponding fixing hole 303, and at the moment, the escalator is a double-rocker mechanism.
Example four
In addition to the features of any of the embodiments described above, this embodiment further defines: the lower end of the escalator body 10 is provided with a handle 50, and the handle 50 is used for driving the escalator body 10 to ascend or descend and driving the telescopic assembly 30 to rotate relative to the vehicle, as shown in fig. 2 and 5.
The lower end of the escalator body 10 is provided with the handle 50, and the handle 50 is arranged on both sides of the escalator body 10 in the width direction and used for driving the escalator body 10 to slide up and down relative to the escalator platform 20, so that a user can conveniently unfold or retract the escalator, and the convenience of using the folding escalator 1 is improved.
As shown in fig. 7, an embodiment of the second aspect of the present invention provides a mixer truck 2, including: a vehicle body 21; and the folding escalator 1 as in any one of the embodiments of the first aspect, the folding escalator 1 is located on one side of the vehicle body 21 in the width direction, one end of the support member and one end of the escalator platform are respectively hinged to the vehicle body, the escalator body is away from the vehicle body 21 when the folding escalator 1 is in the unfolded state, and the escalator body is close to the vehicle body 21 when the folding escalator 1 is in the folded state.
The utility model discloses the trucd mixer 2 that the embodiment of second aspect provided, because of including the folding staircase 1 of any one in the first aspect embodiment, therefore have all beneficial effects that any above-mentioned embodiment had, no longer describe herein.
To sum up, the utility model provides a folding staircase, staircase body are articulated with staircase platform and support piece, and staircase platform and support piece are articulated with the vehicle respectively, utilize staircase platform and the relative vehicle rotation of support piece for the staircase body can be convenient for expand or withdraw, has reduced the whole occupation space at vehicle width direction or length direction of vehicle, thereby has improved the holistic trafficability characteristic of vehicle, and the vehicle of being convenient for traveles in narrow region and passes through.
In the present application, the terms "first", "second", "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more unless expressly limited otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the description of the present invention, it should be understood that the terms "upper", "lower", "left", "right", "front", "back", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or unit indicated must have a specific direction, be constructed and operated in a specific orientation, and therefore, should not be construed as limiting the present invention.
In the description of the present specification, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A folding escalator for mounting on a vehicle, said folding escalator comprising:
an escalator body;
an escalator platform;
a support member;
the escalator comprises an escalator body, a supporting piece, a vehicle and an escalator platform, wherein the supporting piece is located below the escalator platform, one end of the supporting piece is used for being hinged to the vehicle, the other end of the supporting piece is hinged to the lower portion of the escalator body, one end of the escalator platform is used for being hinged to the vehicle, the other end of the escalator platform is movably connected with the upper portion of the escalator body, the escalator platform is suitable for rotating around the hinged portion of the escalator platform and the vehicle, the supporting piece is suitable for rotating around the hinged portion of the supporting piece and the vehicle, and the escalator body can rotate relative to the escalator platform and the.
2. The folded escalator of claim 1,
the support member is a telescopic assembly, and the extension or contraction of the support member is suitable for changing the inclination angle of the escalator body relative to the ground.
3. The folded escalator of claim 2,
the telescopic assembly comprises a first side link and a second side link, the first side link is used for being hinged with the vehicle, the second side link is sleeved in the first side link, one end of the second side link is hinged with the escalator body, and the second side link is suitable for extending out or retracting along the length direction of the first side link;
fixing holes are formed in the first side link and the second side link, and fasteners penetrate through the fixing holes at different positions to limit the relative position between the first side link and the second side link; or
The telescopic assembly comprises a telescopic oil cylinder, one end of the telescopic oil cylinder is used for being hinged with the vehicle, and the other end of the telescopic oil cylinder is hinged with the lower part of the escalator body.
4. The folded escalator of any one of claims 1-3,
the escalator platform is provided with a sliding part, the escalator body is provided with a sliding fit part, and the sliding part is matched with the sliding fit part, so that the escalator body is suitable for sliding up and down relative to the escalator platform, and the escalator body and the escalator platform are suitable for rotating relatively.
5. The folded escalator of claim 4,
the sliding part comprises first rollers, the sliding fit part comprises guide grooves, the guide grooves are formed in two sides of the escalator body in the width direction, and the first rollers are located in the guide grooves, so that the escalator body is suitable for sliding up and down relative to the escalator platform.
6. The folded escalator of claim 5,
and a second roller is arranged in the guide groove and is suitable for being abutted against the first roller so as to limit the escalator body to move upwards relative to the escalator platform.
7. The folded escalator of any one of claims 1-3,
the escalator is characterized in that a fixing block is arranged on the escalator platform, a limiting groove is formed in the fixing block, a fixing rod is arranged at the upper end of the escalator body and inserted into the limiting groove to limit the escalator body to move downwards relative to the escalator platform.
8. The folded escalator of any one of claims 1-3,
the folding staircase still includes: the guard bar component is arranged on the escalator platform and can be selectively folded on the escalator platform or unfolded relative to the escalator platform to form a guardrail; and/or
The folding staircase still includes: and one end of the positioning rod is used for being connected with the vehicle, and the other end of the positioning rod is used for being detachably connected with the escalator body.
9. The folded escalator of claim 2 or 3,
the lower end of the escalator body is provided with a handle, and the handle is used for driving the escalator body to ascend or descend and driving the telescopic assembly to rotate relative to the vehicle.
10. A mixer truck, comprising:
a vehicle body; and
the folded escalator of any one of claims 1-9, wherein the folded escalator is located on one side of the vehicle body in the width direction, one end of the support member and one end of the escalator platform are respectively hinged to the vehicle body, the escalator body is away from the vehicle body when the folded escalator is in the unfolded state, and the escalator body is close to the vehicle body when the folded escalator is in the retracted state.
CN202020343789.1U 2020-03-18 2020-03-18 Folding staircase and mixer truck Active CN211950294U (en)

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Application Number Priority Date Filing Date Title
CN202020343789.1U CN211950294U (en) 2020-03-18 2020-03-18 Folding staircase and mixer truck

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020343789.1U CN211950294U (en) 2020-03-18 2020-03-18 Folding staircase and mixer truck

Publications (1)

Publication Number Publication Date
CN211950294U true CN211950294U (en) 2020-11-17

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Family Applications (1)

Application Number Title Priority Date Filing Date
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Country Status (1)

Country Link
CN (1) CN211950294U (en)

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