CN205186002U - Ladder pdeal mechanism and engineering machinery - Google Patents
Ladder pdeal mechanism and engineering machinery Download PDFInfo
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- CN205186002U CN205186002U CN201520939969.5U CN201520939969U CN205186002U CN 205186002 U CN205186002 U CN 205186002U CN 201520939969 U CN201520939969 U CN 201520939969U CN 205186002 U CN205186002 U CN 205186002U
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- foldable pedal
- fixed pedestal
- ladder
- banking stop
- minor axis
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Abstract
The utility model provides a ladder pdeal mechanism and an engineering machinery, ladder pdeal mechanism is used for the chassis of the automobile body of engineering machinery, include: ladder frame, fixed footboard and folding footboard, the ladder frame is followed downwardly extending on the chassis, fixed footboard setting is in on the ladder frame, folding footboard setting is in the ladder frame bottom on the fixed footboard, folding footboard can be opened downwards and pack up with making progress to fold. The utility model discloses a ladder pdeal mechanism has folding function, can open downwards when needing, and the ladder shortens the distance with ground, makes things convenient for the staff to step on the car through the ladder, can upwards pack up when not needing, makes ladder and ground keep original safe distance, avoids ladder and ground or other objects to take place to collide with and damage.
Description
Technical field
The utility model relates to construction implement field, more specifically, relates to a kind of stair treads mechanism and a kind of construction machinery and equipment.
Background technology
In prior art, vehicle crew generally by fixing ladder or pedal up and down as the construction machinery and equipment such as pump truck, hoisting crane, the ladder of above construction machinery and equipment or pedal cannot shrink, and the mode of being fixed by welding or bolt is fixed on outside chassis of vehicle body.When car load assembles for preventing ladder and ground or other object from colliding with and damaging, ladder as far as possible top installation, the safety distance overhead bottom of ladder is approximately about 0.5m.When the hydraulic ram of car load stretch out downwards chassis of vehicle body carried out support fixing after, the height on the chassis of car load can rise, and ladder pedal bottom often reaches about 0.7m to 0.8m apart from the distance on ground, makes staff be difficult to step on car by ladder.
Therefore, propose a kind ofly to shorten the distance with ground when needed, keep when not needing with original safety distance on ground stair treads mechanism just seem very necessary.
Utility model content
The utility model is intended at least to solve one of technical matters existed in prior art.
For this reason, an object of the present utility model is, provides a kind of stair treads mechanism.
Another object of the present utility model is, provides a kind of construction machinery and equipment, comprises above-mentioned stair treads mechanism.
For achieving the above object, provide a kind of stair treads mechanism according to the utility model first aspect embodiment, for the chassis of vehicle body of construction machinery and equipment, comprising: ladder, described ladder from described chassis of vehicle body to downward-extension; Fixed pedestal, described fixed pedestal is arranged on described ladder; Foldable pedal, described Foldable pedal is arranged on the described fixed pedestal bottom of described ladder, and described Foldable pedal can be opened downwards and upwards fold and pack up.
According to the stair treads mechanism of embodiment of the present utility model, ladder keeps original fixed sturcture, ladder fixed pedestal is bottom hinged with Foldable pedal, Foldable pedal can be opened downwards on fixed pedestal, so just equal to extend ladder and pedal downwards, make staff easily step on car by stair treads mechanism of the present utility model, when construction machinery and equipment needs mobile, upwards can pack up Foldable pedal, avoid ladder and pedal and ground or other object collide with and damage.
In addition, the stair treads mechanism provided according to the utility model above-described embodiment also has following additional technical feature:
According to an embodiment of the present utility model, described Foldable pedal and described ladder or fixed pedestal are rotationally connected, and the side of described fixed pedestal is hinged with banking stop, the frame of described Foldable pedal is provided with minor axis; Or the frame of described Foldable pedal is hinged with banking stop, the side of described fixed pedestal is provided with minor axis, the end of described banking stop is provided with locking notch; When described Foldable pedal is opened downwards, the described locking notch on described banking stop can fasten residence and state minor axis, makes described Foldable pedal stay open state.
According to the stair treads mechanism of embodiment of the present utility model, banking stop is used for locking Foldable pedal, one end of banking stop is hinged on fixed pedestal, the frame of Foldable pedal is provided with minor axis, the end of banking stop has locking notch, locking notch on banking stop is fastened on the minor axis on the frame of Foldable pedal, then can support on the direction of packing up Foldable pedal, Foldable pedal is kept down open mode, or, one end of banking stop is hinged on Foldable pedal, the side of fixed pedestal is provided with minor axis, locking notch on banking stop is fastened on the minor axis on the frame of fixed pedestal, also can support on the direction of packing up Foldable pedal, Foldable pedal is kept down open mode, the lower frame facilitating staff to scrunch Foldable pedal is got on the bus, and banking stop can not bear the component of application force when staff scrunches Foldable pedal, banking stop is made to be not easy distortion or to damage and lost efficacy, improve reliability and the quality of stair treads mechanism of the present utility model.
According to an embodiment of the present utility model, described banking stop is provided with the elongated hole that the length direction with described banking stop extends, locking notch is arranged on the side of the end of described elongated hole, and the end of described minor axis is stretched in described elongated hole.
According to the stair treads mechanism of embodiment of the present utility model, banking stop is provided with elongated hole, locking notch is arranged on the side of the end of elongated hole, and the end of minor axis is stretched in elongated hole; The architectural feature of above banking stop makes Foldable pedal when upwards packing up or opening downwards, minor axis on Foldable pedal remains in elongated hole and slides, when Foldable pedal is opened downwards completely, minor axis can enter in locking notch by nature, makes Foldable pedal stay open state.The architectural feature of above banking stop make between Foldable pedal with fixed pedestal coordinate compact, also banking stop is made at will not rotate, improve the reliability of banking stop, also facilitate the operation of staff to Foldable pedal and banking stop simultaneously, and then improve the dependable with function of stair treads mechanism of the present utility model.
According to an embodiment of the present utility model, described Foldable pedal is rectangle frame structure, and the upper side frame of described Foldable pedal is hinged on the below of the outer edge of described fixed pedestal.
According to the stair treads mechanism of embodiment of the present utility model, Foldable pedal is rectangle frame structure, the upper side frame of Foldable pedal is hinged on the below of the outer edge of fixed pedestal, when relative for Foldable pedal fixed pedestal is opened downwards, the side frame of Foldable pedal keeps longitudinally, and vertical with the surface of fixed pedestal, the lower frame of Foldable pedal can use as pedal, be equivalent to add one-level pedal in the below of fixed pedestal, shorten the distance on stair treads mechanism of the present utility model and ground; When upwards being packed up by Foldable pedal, the lower surface of the rectangle frame laminating fixed pedestal of Foldable pedal, makes stair treads mechanism of the present utility model and ground keep original safety distance.Stair treads mechanism of the present utility model is simple and reliable, uses flexible, and cheap for manufacturing cost.
According to an embodiment of the present utility model, between described fixed pedestal and described Foldable pedal, be provided with springing, make described Foldable pedal have the trend of upwards packing up.
According to the stair treads mechanism of embodiment of the present utility model, springing can make Foldable pedal have the trend of upwards packing up, failure-free folded state can kept at ordinary times, the distance on ladder and ground can not shortened suddenly downwards, ladder and Foldable pedal can be avoided to be collided with and damage; When using Foldable pedal, by staff, Foldable pedal is opened downwards, and use banking stop to support, springing can keep the reliable contacts of the minor axis on Foldable pedal and the locking notch on banking stop, Foldable pedal can not be waved and rock, improve the reliability of state when Foldable pedal is opened downwards, ensure that the personal safety of staff when stepping on car.
According to an embodiment of the present utility model, described springing comprises: Connection Block, and described Connection Block is arranged on the inner side of the upper edge of described Foldable pedal; Extension spring, one end of described extension spring is connected to the back edge of described fixed pedestal, and the other end is connected on described Connection Block.
According to the stair treads mechanism of embodiment of the present utility model, Connection Block is fixed on the inner side of the upper side frame of Foldable pedal, the end of Connection Block extends to the lower frame direction of Foldable pedal, one end of extension spring is connected to the back edge of fixed pedestal, the other end is connected to the end of Connection Block, the moment of torsion of extension spring to Connection Block can be increased, the trend that Foldable pedal is upwards packed up increases, make the minor axis on Foldable pedal compacter with coordinating of the locking notch on banking stop, and then improve the reliability of the state of Foldable pedal when upwards packing up and open downwards.
According to another embodiment of the present utility model, described springing comprises: hinge minor axis, described banking stop is hinged on described fixed pedestal by described hinge minor axis, described hinge minor axis is provided with non-circular shaft rank, described banking stop is provided with not rounded axis hole, described banking stop is contained on described non-circular shaft rank by described not rounded shaft hole sleeve, makes described banking stop and described hinge minor axis synchronous axial system; First torsion spring, described first torsion spring set is contained on described hinge minor axis, and one end of described first torsion spring is connected on described hinge minor axis, and the other end of described first torsion spring is connected on described fixed pedestal.
According to the stair treads mechanism of embodiment of the present utility model, banking stop is hinged on the middle part of the both sides of fixed pedestal by hinge minor axis, hinge minor axis can rotate relative to fixed pedestal, hinge minor axis and banking stop are by non-circular shaft rank and not rounded shaft hole matching simultaneously, make banking stop can only with hinge minor axis and synchronous axial system, hinge minor axis is set with the first torsion spring, the sidewall of hinge minor axis has the first aperture, one end of first torsion spring is stretched in the first aperture, the side of fixed pedestal has second orifice, the other end of the first torsion spring stretches in second orifice, one end of the first torsion spring is made to be fixed on hinge minor axis, the other end is fixed on fixed pedestal, above springing makes banking stop have and packs up the trend with homing, simultaneously, the side of the elongated hole on banking stop has opposite force effect to the minor axis on Foldable pedal, trend Foldable pedal being had upwards pack up, after opening Foldable pedal downwards, when minor axis on Foldable pedal is slid in locking notch along elongated hole, because banking stop has the trend of homing, make the locking notch on banking stop compact with coordinating of the minor axis on Foldable pedal, improve the reliability coordinated of Foldable pedal and banking stop, also facilitate the operation of staff to Foldable pedal and banking stop simultaneously, and then improve the dependable with function of stair treads mechanism of the present utility model.
According to another embodiment of the present utility model, the back edge of described fixed pedestal is provided with elastic buckles locking device, and when described Foldable pedal is upwards packed up, described elastic buckles locking device coordinates with described Foldable pedal, makes described Foldable pedal keep collapsed state.
According to the stair treads mechanism of embodiment of the present utility model, the back edge of fixed pedestal can arrange elastic buckles locking device, even if Foldable pedal does not have the trend of upwards packing up, also controls to make Foldable pedal keep collapsed state by elastic buckles locking device.
According to an embodiment of the present utility model, described elastic buckles locking device comprises: mount pad, described mount pad is fixed on the edge of described fixed pedestal, described mount pad has longitudinal mounting hole, bull stick is set with in described mounting hole, the top and bottom of described bull stick at right angles bend, and the bending part of the lower end of described bull stick is fastened on the lower frame of described Foldable pedal, make described Foldable pedal keep collapsed state; Compress Spring, described Compress Spring is sleeved on described bull stick, and the upper end of described bull stick is fixed with catch, and the upper end of described Compress Spring is resisted against on described catch, and the lower end abutment of described Compress Spring is on described mount pad; And/or, second torsion spring, described second torsion spring set is contained on described bull stick, and one end of described second torsion spring is fixed on described bull stick, the other end of described second torsion spring is fixed on described mount pad, makes the bending part of the lower end of described bull stick keep being fastened on the frame place of described Foldable pedal.
According to the stair treads mechanism of embodiment of the present utility model, mount pad is fixed on the back edge of fixed pedestal, bull stick is set with in the mounting hole of the longitudinal direction on mount pad, the top and bottom of bull stick all at right angles bend, after Foldable pedal is packed up, the bending part of the lower end of available bull stick can fasten the lower frame of Foldable pedal, Foldable pedal is made to keep collapsed state, when needing Foldable pedal to put down, bending part by the upper end of pulling bull stick makes bar rotation, make the fastening of bending part releasing to the lower frame of Foldable pedal of the lower end of bull stick, such Foldable pedal can be opened downwards.In order to ensure the reliability of bull stick to the fastening of the lower frame of Foldable pedal, bull stick is set with Compress Spring, the upper end of bull stick is fixed with catch, and the upper end of Compress Spring is resisted against on catch, and the lower end abutment of Compress Spring is on mount pad.Compress Spring keeps certain amount of compression, and the bending place of the lower end of bull stick can be made to be fastened on the lower frame of Foldable pedal always.Or, bull stick is set with the second torsion spring, one end of second torsion spring is fixed on bull stick, the other end of the second torsion spring is fixed on mount pad, second torsion spring makes the bending part of the lower end of bull stick remain the position of the lower frame being fastened on Foldable pedal under recoil state, like this, bull stick has the trend of homing in rotation direction, the bending part of the lower end of bull stick is made to be not easy to depart from the fastening to the lower frame of Foldable pedal, above two schemes can also be implemented simultaneously, all can improve the reliability of stair treads mechanism of the present utility model.
According to a kind of construction machinery and equipment of the embodiment of second aspect of the present utility model, comprise the stair treads mechanism described in above any one embodiment.
According to the construction machinery and equipment that the utility model second aspect embodiment provides, have the stair treads mechanism that the utility model first aspect any embodiment provides, therefore this project machinery has whole beneficial effects of the stair treads mechanism that above-mentioned any embodiment provides.
Provide in description part below according to additional aspect of the present utility model and advantage, part will become obvious from the following description, or be recognized by practice of the present utility model.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present utility model and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is the overall schematic of a kind of embodiment of stair treads mechanism of the present utility model;
Fig. 2 is the partial enlargement structural representation in Fig. 1;
Fig. 3 is the structural representation of Foldable pedal under collapsed state of the stair treads mechanism in Fig. 2;
Fig. 4 is the structural representation of the banking stop in Fig. 1;
Fig. 5 is the structural representation of the another kind of embodiment of stair treads mechanism of the present utility model;
Fig. 6 is the structural representation of the hinge minor axis in Fig. 5;
Fig. 7 is the structural representation of the banking stop in Fig. 5;
Fig. 8 is the structural representation of another embodiment of stair treads mechanism of the present utility model.
Wherein, the Reference numeral in Fig. 1 to Fig. 8 and the corresponding relation between component names are:
1 ladder, 2 fixed pedestals, 201 second orifices, 3 Foldable pedals, 301 minor axises, 302 Connection Blocks, 303 mount pads, 4 banking stops, 401 elongated holes, 402 locking notches, 403 not rounded axis holes, 5 extension springs, 6 hinge minor axises, 601 non-circular shaft rank, 602 first apertures, 7 first torsion springs, 8 bull sticks, 9 Compress Springs.
Detailed description of the invention
In order to more clearly understand above-mentioned purpose of the present utility model, feature and advantage, below in conjunction with the drawings and specific embodiments, the utility model is further described in detail.It should be noted that, when not conflicting, the feature in the embodiment of the application and embodiment can combine mutually.
Set forth a lot of detail in the following description so that fully understand the utility model; but; the utility model can also adopt other to be different from mode described here to implement, and therefore, protection domain of the present utility model is not by the restriction of following public specific embodiment.
As shown in Fig. 1 to Fig. 3, Fig. 5 and Fig. 8, provide a kind of stair treads mechanism according to the utility model first aspect embodiment, for the chassis of vehicle body of construction machinery and equipment, comprising: ladder 1, described ladder 1 from described chassis of vehicle body to downward-extension; Fixed pedestal 2, described fixed pedestal 2 is arranged on described ladder 1; Foldable pedal 3, described Foldable pedal 3 is arranged on the described fixed pedestal 2 bottom of described ladder 1, and described Foldable pedal 3 can be opened downwards and upwards fold and pack up.
According to the stair treads mechanism of embodiment of the present utility model, ladder 1 keeps original fixed sturcture, ladder 1 fixed pedestal 2 is bottom hinged with Foldable pedal 3, Foldable pedal 3 can be opened downwards on fixed pedestal 2, so just equal to extend ladder 1 and pedal downwards, staff is made easily to step on car by stair treads mechanism of the present utility model, when construction machinery and equipment needs mobile, can upwards pack up Foldable pedal 3, avoid ladder 1 and pedal and ground or other object collide with and damage.
In addition, the stair treads mechanism provided according to the utility model above-described embodiment also has following additional technical feature:
As shown in Fig. 1 to Fig. 5, Fig. 7 and Fig. 8, according to an embodiment of the present utility model, described Foldable pedal 3 is rotationally connected with described ladder 1 or fixed pedestal 2, the side of described fixed pedestal 2 is hinged with banking stop 4, the frame of described Foldable pedal 3 is provided with minor axis 301; Or the frame of described Foldable pedal 3 is hinged with banking stop 4, the side of described fixed pedestal 2 is provided with minor axis 301, the end of described banking stop 4 is provided with locking notch 402; When described Foldable pedal 3 is opened downwards, the described locking notch 402 on described banking stop 4 can fasten residence and state minor axis 301, makes described Foldable pedal 3 stay open state.
According to the stair treads mechanism of embodiment of the present utility model, banking stop 4 is for locking Foldable pedal 3, one end of banking stop 4 is hinged on fixed pedestal 2, the frame of Foldable pedal 3 is provided with minor axis 301, the end of banking stop 4 has locking notch 402, locking notch 402 on banking stop 4 is fastened on the minor axis 301 on the frame of Foldable pedal 3, then can support on the direction of packing up Foldable pedal 3, Foldable pedal 3 is kept down open mode, or, one end of banking stop 4 is hinged on Foldable pedal 3, the side of fixed pedestal 2 is provided with minor axis 301, locking notch 402 on banking stop 4 is fastened on the minor axis 301 on the frame of fixed pedestal 2, also can support on the direction of packing up Foldable pedal 3, Foldable pedal 3 is kept down open mode, the lower frame facilitating staff to scrunch Foldable pedal 3 is got on the bus, and banking stop 4 can not bear the component of application force when staff scrunches Foldable pedal 3, banking stop 4 is made to be not easy distortion or to damage and lost efficacy, improve reliability and the quality of stair treads mechanism of the present utility model.
As shown in Fig. 1 to Fig. 5, Fig. 7 and Fig. 8, according to an embodiment of the present utility model, described banking stop 4 is provided with the elongated hole 401 that the length direction with described banking stop 4 extends, locking notch 402 is arranged on the side of the end of described elongated hole 401, and the end of described minor axis 301 is stretched in described elongated hole 401.
According to the stair treads mechanism of embodiment of the present utility model, banking stop 4 is provided with elongated hole 401, locking notch 402 is arranged on the side of the end of elongated hole 401, and the end of minor axis 301 is stretched in elongated hole 401; The architectural feature of above banking stop 4 makes Foldable pedal 3 when upwards packing up or opening downwards, minor axis 301 on Foldable pedal 3 remains in elongated hole 401 and slides, when Foldable pedal 3 is opened downwards completely, minor axis 301 can enter in locking notch 402 by nature, makes Foldable pedal 3 stay open state.The architectural feature of above banking stop 4 make between Foldable pedal 3 with fixed pedestal 2 coordinate compact, also banking stop 4 is made at will not rotate, improve the reliability of banking stop 4, also facilitate the operation of staff to Foldable pedal 3 and banking stop 4 simultaneously, and then improve the dependable with function of stair treads mechanism of the present utility model.
As shown in Fig. 1 to Fig. 3, Fig. 5 and Fig. 8, according to an embodiment of the present utility model, described Foldable pedal 3 is rectangle frame structure, and the upper side frame of described Foldable pedal 3 is hinged on the below of the outer edge of described fixed pedestal 2.
According to the stair treads mechanism of embodiment of the present utility model, Foldable pedal 3 is rectangle frame structure, the upper side frame of Foldable pedal 3 is hinged on the below of the outer edge of fixed pedestal 2, when by Foldable pedal 3, fixed pedestal 2 is opened downwards relatively, the side frame of Foldable pedal 3 keeps longitudinally, vertical with the surface of fixed pedestal 2, the lower frame of Foldable pedal 3 can use as pedal, be equivalent to add one-level pedal in the below of fixed pedestal 2, shorten the distance on stair treads mechanism of the present utility model and ground; When upwards being packed up by Foldable pedal 3, the lower surface of the rectangle frame laminating fixed pedestal 2 of Foldable pedal 3, makes stair treads mechanism of the present utility model and ground keep original safety distance.Stair treads mechanism of the present utility model simply leans on, and uses flexible, and cheap for manufacturing cost.
As shown in Figure 1, Figure 2, shown in Fig. 3 and Fig. 5, according to an embodiment of the present utility model, between described fixed pedestal 2 and described Foldable pedal 3, be provided with springing, make described Foldable pedal 3 have the trend of upwards packing up.
According to the stair treads mechanism of embodiment of the present utility model, springing can make Foldable pedal 3 have the trend of upwards packing up, failure-free folded state can kept at ordinary times, ladder 1 and the distance on ground can not shortened suddenly downwards, ladder 1 and Foldable pedal 3 can be avoided to be collided with and damage; When using Foldable pedal 3, by staff, Foldable pedal 3 is opened downwards, and use banking stop 4 to support, springing can keep the reliable contacts of the minor axis 301 on Foldable pedal 3 and the locking notch 402 on banking stop 4, Foldable pedal 3 can not be waved and rock, improve the reliability of state when Foldable pedal 3 is opened downwards, ensure that the personal safety of staff when stepping on car.
As shown in Figure 1 to Figure 3, according to an embodiment of the present utility model, described springing comprises: Connection Block 302, and described Connection Block 302 is arranged on the inner side of the upper edge of described Foldable pedal 3; Extension spring 5, one end of described extension spring 5 is connected to the back edge of described fixed pedestal 2, and the other end is connected on described Connection Block 302.
According to the stair treads mechanism of embodiment of the present utility model, Connection Block 302 is fixed on the inner side of the upper side frame of Foldable pedal 3, the end of Connection Block 302 extends to the lower frame direction of Foldable pedal 3, one end of extension spring 5 is connected to the back edge of fixed pedestal 2, the other end is connected to the end of Connection Block 302, the moment of torsion of extension spring 5 pairs of Connection Blocks 302 can be increased, the trend that Foldable pedal 3 is upwards packed up increases, make the minor axis 301 on Foldable pedal 3 compacter with coordinating of the locking notch 402 on banking stop 4, and then improve the reliability of the state of Foldable pedal 3 when upwards packing up and open downwards.
As shown in Figures 5 to 7, according to another embodiment of the present utility model, described springing comprises: hinge minor axis 6, described banking stop 4 is hinged on described fixed pedestal 2 by described hinge minor axis 6, described hinge minor axis 6 is provided with non-circular shaft rank 601, described banking stop 4 is provided with not rounded axis hole 403, and described banking stop 4 is sleeved on described non-circular shaft rank 601 by described not rounded axis hole 403, makes described banking stop 4 and described hinge minor axis 6 synchronous axial system; First torsion spring 7, described first torsion spring 7 is sleeved on described hinge minor axis 6, and one end of described first torsion spring 7 is connected on described hinge minor axis 6, and the other end of described first torsion spring 7 is connected on described fixed pedestal 2.
According to the stair treads mechanism of embodiment of the present utility model, banking stop 4 is hinged on the middle part of the both sides of fixed pedestal 2 by hinge minor axis 6, hinge minor axis 6 can rotate relative to fixed pedestal 2, hinge minor axis 6 is coordinated by non-circular shaft rank 601 and not rounded axis hole 403 with banking stop 4 simultaneously, make banking stop 4 can only with hinge minor axis 6 and synchronous axial system, hinge minor axis 6 is set with the first torsion spring 7, the sidewall of hinge minor axis 6 has the first aperture 602, one end of first torsion spring 7 is stretched in the first aperture 602, the side of fixed pedestal 2 has second orifice 201, the other end of the first torsion spring 7 stretches in second orifice 201, one end of the first torsion spring 7 is made to be fixed on hinge minor axis 6, the other end is fixed on fixed pedestal 2, above springing makes banking stop 4 have the trend of packing up with homing, simultaneously, the side of the elongated hole 401 on banking stop 4 has opposite force effect to the minor axis 301 on Foldable pedal 3, Foldable pedal 3 is made to have the trend of upwards packing up, after opening Foldable pedal 3 downwards, when minor axis 301 on Foldable pedal 3 is slid in locking notch 402 along elongated hole 401, because banking stop 4 has the trend of homing, make the locking notch 402 on banking stop 4 compact with coordinating of the minor axis 301 on Foldable pedal 3, improve the reliability coordinated of Foldable pedal 3 and banking stop 4, also facilitate the operation of staff to Foldable pedal 3 and banking stop 4 simultaneously, and then improve the dependable with function of stair treads mechanism of the present utility model.
As shown in Figure 8, according to another embodiment of the present utility model, the back edge of described fixed pedestal 2 is provided with elastic buckles locking device, when described Foldable pedal 3 is upwards packed up, described elastic buckles locking device coordinates with described Foldable pedal 3, makes described Foldable pedal 3 keep collapsed state.
According to the stair treads mechanism of embodiment of the present utility model, the back edge of fixed pedestal 2 can arrange elastic buckles locking device, even if Foldable pedal 3 does not have the trend of upwards packing up, also controls to make Foldable pedal 3 keep collapsed state by elastic buckles locking device.
As shown in Figure 8, according to an embodiment of the present utility model, described elastic buckles locking device comprises: mount pad 303, described mount pad 303 is fixed on the back edge of described fixed pedestal 2, described mount pad 303 has longitudinal mounting hole, is set with bull stick 8 in described mounting hole, the top and bottom of described bull stick 8 at right angles bend, the bending part of the lower end of described bull stick 8 is fastened on the lower frame of described Foldable pedal 3, makes described Foldable pedal 3 keep collapsed state; Compress Spring 9, described Compress Spring 9 is sleeved on described bull stick 8, and the upper end of described bull stick 8 is fixed with catch, and the upper end of described Compress Spring 9 is resisted against on described catch, and the lower end abutment of described Compress Spring 9 is on described mount pad 303; And/or, second torsion spring, described second torsion spring set is contained on described bull stick 8, one end of described second torsion spring is fixed on described bull stick 8, the other end of described second torsion spring is fixed on described mount pad 303, makes the bending part of the lower end of described bull stick 8 keep being fastened on the frame place of described Foldable pedal 3.
According to the stair treads mechanism of embodiment of the present utility model, mount pad 303 is fixed on the back edge of fixed pedestal 2, bull stick 8 is set with in the mounting hole of the longitudinal direction on mount pad 303, the top and bottom of bull stick 8 all at right angles bend, after Foldable pedal 3 is packed up, the bending part of the lower end of available bull stick 8 can fasten the lower frame of Foldable pedal 3, Foldable pedal 3 is made to keep collapsed state, when needing Foldable pedal 3 to put down, bending part by the upper end of pulling bull stick 8 makes bull stick 8 rotate, make the fastening of bending part releasing to the lower frame of Foldable pedal 3 of the lower end of bull stick 8, such Foldable pedal 3 can be opened downwards.In order to ensure the reliability of the fastening of the lower frame of bull stick 8 pairs of Foldable pedals 3, bull stick 8 is set with Compress Spring 9, the upper end of bull stick 8 is fixed with catch, and the upper end of Compress Spring 9 is resisted against on catch, and the lower end abutment of Compress Spring 9 is on mount pad 303.Compress Spring 9 keeps certain amount of compression, and the bending place of the lower end of bull stick 8 can be made to be fastened on the lower frame of Foldable pedal 3 always.Or, bull stick 8 is set with the second torsion spring, one end of second torsion spring is fixed on bull stick 8, the other end of the second torsion spring is fixed on mount pad 303, second torsion spring makes the bending part of the lower end of bull stick 8 remain the position of the lower frame being fastened on Foldable pedal 3 under recoil state, like this, bull stick 8 has the trend of homing in rotation direction, the bending part of the lower end of bull stick 8 is made to be not easy to depart from the fastening to the lower frame of Foldable pedal 3, above two kinds of modes can be implemented simultaneously, all can improve the reliability of stair treads mechanism of the present utility model.
According to a kind of construction machinery and equipment of the embodiment of second aspect of the present utility model, comprise the stair treads mechanism described in above any one embodiment.
According to the construction machinery and equipment that the utility model second aspect embodiment provides, have the stair treads mechanism that the utility model first aspect any embodiment provides, therefore this project machinery has whole beneficial effects of the stair treads mechanism that above-mentioned any embodiment provides.
In the description of this specification sheets, term " connection ", " installation ", " fixing " etc. all should be interpreted broadly, and such as, " connection " can be fixedly connected with, and also can be removably connect, or connects integratedly; Can be directly be connected, also indirectly can be connected by intermediary.For the ordinary skill in the art, the concrete meaning of above-mentioned term in the utility model can be understood as the case may be.
In the description of this specification sheets, specific features, structure, material or feature that the description of term " embodiment ", " some embodiments ", " specific embodiment " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present utility model or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. a stair treads mechanism, for the chassis of vehicle body of construction machinery and equipment, is characterized in that, comprising:
Ladder, described ladder from described chassis to downward-extension;
Fixed pedestal, described fixed pedestal is arranged on described ladder;
Foldable pedal, described Foldable pedal is arranged on the described fixed pedestal bottom of described ladder, and described Foldable pedal can be opened downwards and upwards fold and pack up.
2. stair treads mechanism according to claim 1, is characterized in that,
Institute's Foldable pedal and described ladder or fixed pedestal are rotationally connected, and the side of described fixed pedestal is hinged with banking stop, the frame of described Foldable pedal is provided with minor axis; Or, the frame of described Foldable pedal is hinged with banking stop, the side of described fixed pedestal is provided with minor axis;
The end of described banking stop is provided with locking notch, and when described Foldable pedal is opened downwards, the described locking notch on described banking stop can fasten residence and state minor axis, makes described Foldable pedal stay open state.
3. stair treads mechanism according to claim 2, it is characterized in that, described banking stop is provided with the elongated hole that the length direction with described banking stop extends, described locking notch is arranged on the side of the end of described elongated hole, and the end of described minor axis is stretched in described elongated hole.
4. stair treads mechanism according to claim 3, is characterized in that, described Foldable pedal is rectangle frame structure, and the upper side frame of described Foldable pedal is hinged on the below of the outer edge of described fixed pedestal.
5. the stair treads mechanism according to any one of claim 2 to 4, is characterized in that, is provided with springing between described fixed pedestal and described Foldable pedal, makes described Foldable pedal have the trend of upwards packing up.
6. according to the stair treads mechanism described in claim 5, it is characterized in that, described springing comprises:
Connection Block, described Connection Block is arranged on the inner side of the upper edge of described Foldable pedal;
Extension spring, one end of described extension spring is connected to the back edge of described fixed pedestal, and the other end is connected on described Connection Block.
7. stair treads mechanism according to claim 5, is characterized in that, described springing comprises:
Hinge minor axis, described banking stop is hinged on described fixed pedestal by described hinge minor axis, described hinge minor axis is provided with non-circular shaft rank, described banking stop is provided with not rounded axis hole, described banking stop is contained on described non-circular shaft rank by described not rounded shaft hole sleeve, makes described banking stop and described hinge minor axis synchronous axial system;
First torsion spring, described first torsion spring set is contained on described hinge minor axis, and one end of described first torsion spring is connected on described hinge minor axis, and the other end of described first torsion spring is connected on described fixed pedestal.
8. stair treads mechanism according to any one of claim 1 to 4, it is characterized in that, the back edge of described fixed pedestal is provided with elastic buckles locking device, when described Foldable pedal is upwards packed up, described elastic buckles locking device coordinates with described Foldable pedal, makes described Foldable pedal keep collapsed state.
9. stair treads mechanism according to claim 8, is characterized in that, described elastic buckles locking device comprises:
Mount pad, described mount pad is fixed on the edge of described fixed pedestal, described mount pad has longitudinal mounting hole, bull stick is set with in described mounting hole, the top and bottom of described bull stick at right angles bend, the bending part of the lower end of described bull stick is fastened on the frame of described Foldable pedal, makes described Foldable pedal keep collapsed state;
Compress Spring, described Compress Spring is sleeved on described bull stick, and the upper end of described bull stick is fixed with catch, and the upper end of described Compress Spring is resisted against on described catch, and the lower end abutment of described Compress Spring is on described mount pad; And/or, second torsion spring, described second torsion spring set is contained on described bull stick, and one end of described second torsion spring is fixed on described bull stick, the other end of described second torsion spring is fixed on described mount pad, makes the bending part of the lower end of described bull stick keep being fastened on the frame place of described Foldable pedal.
10. a construction machinery and equipment, comprises the chassis of vehicle body of construction machinery and equipment, it is characterized in that, also comprises the stair treads mechanism according to any one of claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520939969.5U CN205186002U (en) | 2015-11-23 | 2015-11-23 | Ladder pdeal mechanism and engineering machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520939969.5U CN205186002U (en) | 2015-11-23 | 2015-11-23 | Ladder pdeal mechanism and engineering machinery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205186002U true CN205186002U (en) | 2016-04-27 |
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ID=55779028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520939969.5U Withdrawn - After Issue CN205186002U (en) | 2015-11-23 | 2015-11-23 | Ladder pdeal mechanism and engineering machinery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205186002U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105291993A (en) * | 2015-11-23 | 2016-02-03 | 湖南三一路面机械有限公司 | Ladder pedal mechanism and engineering machinery |
| CN108725327A (en) * | 2018-08-02 | 2018-11-02 | 荣成市名骏户外休闲用品有限公司 | It is a kind of that there is the foldable caravan marked time and method |
-
2015
- 2015-11-23 CN CN201520939969.5U patent/CN205186002U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105291993A (en) * | 2015-11-23 | 2016-02-03 | 湖南三一路面机械有限公司 | Ladder pedal mechanism and engineering machinery |
| CN108725327A (en) * | 2018-08-02 | 2018-11-02 | 荣成市名骏户外休闲用品有限公司 | It is a kind of that there is the foldable caravan marked time and method |
| CN108725327B (en) * | 2018-08-02 | 2023-02-28 | 荣成名骏户外休闲用品股份有限公司 | Caravan with foldable steps and method |
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Legal Events
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160427 Effective date of abandoning: 20170811 |