CN102310811A - Movable engineering machine and pedal ladder thereof - Google Patents
Movable engineering machine and pedal ladder thereof Download PDFInfo
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- CN102310811A CN102310811A CN2010102245310A CN201010224531A CN102310811A CN 102310811 A CN102310811 A CN 102310811A CN 2010102245310 A CN2010102245310 A CN 2010102245310A CN 201010224531 A CN201010224531 A CN 201010224531A CN 102310811 A CN102310811 A CN 102310811A
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Abstract
The invention discloses a pedal ladder for a movable engineering machine. The pedal ladder comprises foot pedals (2) for pedaling, wherein a hinge shaft (4) and fixed connecting assemblies (5) are arranged between the foot pedals (2) and a vehicle body (3) of the movable engineering machine; the foot pedals (2) are hinged with the vehicle body (3) through the hinge shaft (4) and can be selectively and fixedly connected with the vehicle body (3) through the fixed connecting assemblies (5), that is to say, at least two positions for fixedly connecting are arranged between the foot pedals and the vehicle body; and when the movable engineering machine is positioned in a moving state and a work state, the foot pedals and the vehicle body are respectively and fixedly connected to different positions and parts among different positions are realized through the hinge shaft. Therefore, the interference between other parts of the movable engineering machine and the pedal can be effectively avoided, and further the movable engineering machine is more convenient and flexible in mechanical design. The invention also provides the movable engineering machine comprising the pedal ladder; and the applicability of the movable engineering machine is improved.
Description
Technical field
The present invention relates to portable engineering machinery field, particularly relate to a kind of pedal ladder that is used for portable construction machinery and equipment.In addition, the invention still further relates to a kind of portable construction machinery and equipment that comprises above-mentioned pedal ladder.
Background technology
Along with the fast development of China's economic construction, various portable construction machinery and equipments continue to bring out, and are widely used in a plurality of industries.Wheel crane is a kind of common portable construction machinery and equipment, because of it has the favor that fast speed transition performance and bigger load-carrying capacity enjoy the user.
Please refer to Fig. 1 and Fig. 2, Fig. 1 is the local structure scheme drawing of the portable construction machinery and equipment of a kind of typical case in the prior art; Fig. 2 is the connection scheme drawing of ladder in the portable construction machinery and equipment of a kind of typical case in the prior art.
For the ease of maintenance to portable construction machinery and equipment, satisfy operator's action need simultaneously, most of portable construction machinery and equipments all are provided with is convenient to upper and lower ladder.With the wheel crane is example; Ladder is as a component part of wheel crane cover panel; Should satisfy the basic function of trampling when it is convenient to get on or off the bus as ladder; The decorative effect that also will have safe and reliable barrier propterty and neat appearance can have multiple structure and various arrangement form according to different needs ladders.
As shown in Figure 1; The ladder of portable construction machinery and equipment comprises the first parallel baffle plate 11 and second baffle 12 in the prior art; And the some pedals 13 that connect first baffle plate 11 and second baffle 12, and first baffle plate 11 is all captiveed joint with the platen 14 of walking of portable construction machinery and equipment with second baffle 12.Simultaneously, walk and go back captive joint jug 15 on the platen 14, the staff can be by the auxiliary upper and lower ladder of handle 15.
When ladder is installed, can earlier angle steel 16 be welded on first baffle plate 11 and the second baffle 12, again first baffle plate 11 is installed in away on the platen 14 with bolt, packing ring, nut as spacing with pedal 13 length with second baffle 12, temporarily not fastening; Stick in the grooved bayonet socket of pedal with a long screw, the thread end that will grow a screw again injects in the hole of angle steel 16, with the fastening length of a black nut screw; Pedal 13 just is connected on first baffle plate 11 and the second baffle 12 like this; Again with first baffle plate 11, second baffle 12 and to walk platen 14 fastening, accomplish captiveing joint of ladder and portable other structure of construction machinery and equipment.
Be not difficult to find out that from the installation process of said structure description and ladder ladder must carry out with portable construction machinery and equipment sequence of erection when installing, its installation rate is slow, influences the manufacturing schedule of portable construction machinery and equipment.And other structure of ladder and portable construction machinery and equipment is for captiveing joint in the existing mounting means, and during portable construction machinery and equipment work, ladder forms interference with dynamic parts on every side probably, influences portable construction machinery and equipment normal operation.
In addition, existing ladder relies on multistage pedal 13 to arrange that vertically activity space was less when the operator climbed, and must strain at handle 15 by both hands, and is handicapped, and traveling comfort is relatively poor.
Therefore, how to reduce the influence of ladder to portable construction machinery and equipment work, more convenient when making the upper and lower portable construction machinery and equipment of staff simultaneously, traveling comfort is better, is the present technical issues that need to address of those skilled in the art.
Summary of the invention
The purpose of this invention is to provide a kind of pedal ladder that is used for portable construction machinery and equipment, this pedal ladder can rotate, and can adapt to the different operating modes of portable construction machinery and equipment, avoids other assembly of pedal ladder and portable construction machinery and equipment to produce interference; Its traveling comfort is better simultaneously, more convenient when the staff utilizes this pedal ladder, safety.Another object of the present invention provides a kind of portable construction machinery and equipment that comprises above-mentioned pedal ladder, and its safety is improved.
For realizing the foregoing invention purpose, the present invention provides a kind of pedal ladder that is used for portable construction machinery and equipment, comprises the pedal that is used to trample, and is provided with jointed shaft between the car body of said pedal and said portable construction machinery and equipment and captives joint assembly; Said pedal and said car body are hinged through said jointed shaft, and pass through selectively captive joint of said captive joint assembly.
Preferably, also comprise two risers of captiveing joint with the two ends of said pedal respectively; Said riser has the hinge hole that holds said jointed shaft; Said pedal is connected with said car body through said riser.
Preferably; One have at least two first connecting bores in said riser and the said car body; Another person has at least one and cooresponding second connecting bore in the said first connecting bore position, and said captive joint assembly connects said first connecting bore and said second connecting bore.
Preferably, said pedal and hinge hole between the said car body comprise first section with said first section become predetermined angular second section, said jointed shaft is connected in said first section or said second section.
Preferably, said predetermined angular is an acute angle.
Preferably, said car body comprises first baffle plate and second baffle, and said pedal ladder is located between said first baffle plate and the said second baffle.
Preferably, said first baffle plate and said second baffle all have and the cooresponding through hole in said hinge hole position, and said jointed shaft penetrates said hinge hole and said through hole.
Preferably, also comprise the axle sleeve that is placed in said jointed shaft periphery, the external diameter of this axle sleeve equates with said hinged hole size, and the length of said axle sleeve equates with distance between the two said risers.
Preferably, also comprise the cover plate of being located at two said riser tops, and the anti-skid cover of being located at said cover plate upside.
Providing on the basis of above-mentioned pedal ladder, the present invention also provides a kind of portable construction machinery and equipment, comprises above-mentioned each described pedal ladder, and this pedal ladder is selectively captiveed joint with the car body of said portable construction machinery and equipment.
Pedal ladder provided by the present invention is used for portable construction machinery and equipment, makes portable construction machinery and equipment can have at least two kinds of laying states when mobile status and during mode of operation, to satisfy the application need of portable construction machinery and equipment when the different conditions.This pedal ladder comprises and is used for the pedal that the operator tramples; Different with prior art is; Be provided with jointed shaft and captive joint assembly between its pedal and the car body, hinged between pedal and the car body through jointed shaft, and through captive joint assembly captive joint selectively.Be the position that has at least two captive joints between pedal and the car body, when portable construction machinery and equipment was in mobile status and mode of operation, pedal was fixedly connected on different positions respectively with car body, and realized through jointed shaft between the variant position.Like this, interfere with pedal ladder in the time of can effectively avoiding the supporting leg of portable construction machinery and equipment to shrink, make the supporting leg design of portable construction machinery and equipment more convenient flexible.
A kind of preferred embodiment in, pedal ladder provided by the present invention also comprises two risers of captiveing joint with the two ends of said pedal respectively; Said riser has the hinge hole that holds said jointed shaft; Said pedal is connected with said car body through said riser.Be said pedal with said car body for to be connected indirectly, and riser and pedal can rotate with respect to car body together, makes pedal ladder have different location statuss with respect to car body, satisfies portable construction machinery and equipment different working state needs.
In another preferred embodiment, said pedal and hinge hole between the said car body comprise first section with said first section become predetermined angular second section, said jointed shaft is connected in said first section or said second section.Like this, when the state of portable construction machinery and equipment changed, jointed shaft can slide in hinge hole, slided into second section from first section, perhaps slid into first section from second section, satisfied the position needs of pedal ladder when new state through sliding.This is simple in structure, and the pedal ladder state is simple when changing, and it is high to change efficient, helps improving the work efficiency of portable construction machinery and equipment.
Providing on the basis of above-mentioned pedal ladder, the present invention also provides a kind of portable construction machinery and equipment that comprises above-mentioned pedal ladder; Because pedal ladder has above-mentioned technique effect, the portable construction machinery and equipment with this pedal ladder also has the corresponding techniques effect.
Description of drawings
Fig. 1 is the local structure scheme drawing of the portable construction machinery and equipment of a kind of typical case in the prior art;
Fig. 2 is the connection scheme drawing of ladder in the portable construction machinery and equipment of a kind of typical case in the prior art;
Fig. 3 is the local structure scheme drawing of a kind of specific embodiment of portable construction machinery and equipment provided by the present invention;
Fig. 4 is the partial enlarged drawing of A part among Fig. 3;
Connection scheme drawing when Fig. 5 is in first laying state for a kind of specific embodiment of pedal ladder provided by the present invention;
Connection scheme drawing when Fig. 6 is in second placement location for pedal ladder shown in Figure 5;
Fig. 7 is the exploded perspective view of a kind of specific embodiment of captive joint assembly provided by the present invention;
Fig. 8 is the connection generalized section of captive joint assembly shown in Figure 7;
Fig. 9 is the exploded perspective view of a kind of specific embodiment of pedal ladder provided by the present invention;
Figure 10 is the perspective view of pedal ladder shown in Figure 9.
The specific embodiment
Core of the present invention provides a kind of pedal ladder that is used for portable construction machinery and equipment, and this pedal ladder can rotate, and can adapt to the different operating modes of portable construction machinery and equipment, avoids other assembly of pedal ladder and portable construction machinery and equipment to produce interference; Its traveling comfort is better simultaneously, more convenient when the staff utilizes this pedal ladder, safety.Another core of the present invention provides a kind of portable construction machinery and equipment that comprises above-mentioned pedal ladder, and its safety is improved.
The nouns of locality such as the related top of this paper, upside are that the position when in running order is that benchmark defines with the working direction of portable construction machinery and equipment and pedal ladder.The noun of locality that should be appreciated that among this paper to be adopted should not limit the protection domain of this patent.In addition, this paper is example with the wheel crane, the use of pedal ladder is described, but portable construction machinery and equipment provided by the present invention includes but not limited to wheel crane.
Wheel crane when travels down, its supporting leg is in retracted state, to improve safe crossing ability; When wheel crane hoisted operation, its supporting leg was in the state of stretching out, with the hoist stability of operation of enhancing.When hoisting crane hoisted operation, pedal ladder can the upper and lower hoisting crane of handled easily personnel; And hoisting crane is when travels down, and operating personal generally can not climbed hoisting crane, and this moment, operating personal need not use pedal ladder.Simultaneously, when supporting leg is in retracted state, the easy and pedal ladder interference of the vertical oil cylinder of its end.Therefore, pedal ladder provided by the present invention can have at least two laying states: when wheel crane hoisted operation, pedal ladder was in running order, and operating personal needs upper and lower pedal ladder; When wheel crane during in travels down, for avoiding and vertical oil cylinder is interfered, pedal ladder certain angle that tilts diminishes its whole height, guarantees not interfere with the supporting leg of retracted state, and this moment, pedal ladder was in idle state.
Therefore, be provided with jointed shaft 4 and captive joint assembly 5 between the pedal 2 of pedal ladder provided by the present invention and the car body 3, hinged between pedal 2 and the car body 3 through jointed shaft 4, and through captive joint assembly 5 captive joint selectively.Be the position that has at least two captive joints between pedal 2 and the car body 3, when portable construction machinery and equipment was in mobile status and mode of operation, pedal 2 was fixedly connected on different positions respectively with car body 3, and realized through jointed shaft 4 between the variant position.Like this, interfere with pedal ladder in the time of can effectively avoiding the supporting leg of portable construction machinery and equipment to shrink, make the supporting leg design of portable construction machinery and equipment more convenient flexible.
In order to make those skilled in the art person understand the present invention program better, the present invention is done further detailed description below in conjunction with the accompanying drawing and the specific embodiment.
Please refer to Fig. 3 and Fig. 4, Fig. 3 is the local structure scheme drawing of a kind of specific embodiment of portable construction machinery and equipment provided by the present invention; Fig. 4 is the partial enlarged drawing of A part among Fig. 3.
In a kind of concrete embodiment, pedal ladder provided by the present invention can comprise some pedals 2 and two risers 6 of captiveing joint with the two ends of pedal 2 respectively, and riser 6 has the hinge hole 61 that holds jointed shaft 4; Pedal 2 is connected with car body 3 through riser 6.Be pedal 2 with car body 3 for to be connected indirectly, riser 6 can make pedal ladder have different location statuss with respect to car body 3 with respect to car body 3 rotations with pedal 2 together, satisfies portable construction machinery and equipment different working state needs.
Obviously, jointed shaft 4 can with car body 3 and pedal ladder in one captive joint, another person is provided with hinge hole 61, and the structure of hinge hole 61 can be according to the setting of adjustment needs.Simultaneously; Jointed shaft 61 also can be an independent structures, all is not connected with car body 3, pedal ladder, and is as shown in Figure 9; As long as have position cooresponding hole on car body 3 and the pedal ladder this moment; Just can the two be coupled together, and, make both captive joints or hinged according to portable construction machinery and equipment different state through jointed shaft 4.
In addition, when jointed shaft 4 was captiveed joint with pedal 2, pedal ladder can not have riser 6, and a riser 6 perhaps can be set as required, and be provided with hinge hole this moment on car body 3, also can realize the object of the invention.Should be appreciated that above-mentioned structure is being equal to of pedal ladder provided by the present invention or makes a variation, all should be within protection scope of the present invention.
Particularly, one have at least two first connecting bores in riser 6 and the car body 3, and another person has at least one and cooresponding second connecting bore in the first connecting bore position, and the captive joint assembly is captiveed joint with second connecting bore through connection first connecting bore.When car body 3 needed to captive joint with riser 6, one first connecting bore was captiveed joint with one second connecting bore; After pedal ladder rotates with respect to car body 3; First connecting bore of former captive joint and the relative position of second connecting bore change; As long as other connecting bore is arranged with the relative position of above-mentioned first connecting bore and second connecting bore on riser 6 and the car body 3, then can satisfy the requirement of captive joint.
Obviously, the position of first connecting bore and second connecting bore all can have a plurality of, and at this moment, the captive joint assembly can be through structures such as the bearing pin of first connecting bore and second connecting bore, bolts.Between riser 6 and the car body 3 can not be to be connected through connecting bore also, but through other detouchable fixed form captive joints such as clampings.
Please refer to Fig. 5 and Fig. 6, the connection scheme drawing when Fig. 5 is in first laying state for a kind of specific embodiment of pedal ladder provided by the present invention; Connection scheme drawing when Fig. 6 is in second placement location for pedal ladder shown in Figure 5.
A kind of preferred embodiment in, pedal 2 and hinge hole 61 between the car body 3 can comprise first section 611 with second section 612 of first section 611 one-tenth predetermined angular, jointed shaft 4 is connected in first section 611 or second sections 612.Like this; When the state of portable construction machinery and equipment changes; Pedal ladder can slide into second section 612 from first section 611 in 61 li slips of hinge hole after the suitable angle of jointed shaft 4 rotations; Perhaps slide into first section 611 from second section 612, satisfy the position needs of pedal ladder when new state through sliding.This is simple in structure, and the pedal ladder state is simple when changing, and it is high to change efficient, helps improving the work efficiency of portable construction machinery and equipment.
Further, first section 611 and second sections 612 angle can be acute angle, and when making pedal ladder in running order, second section 612 end can be born the application force of jointed shaft 4 just, forms stable mode of operation.Obviously, first section 611 and second sections 612 angle can not be an acute angle also, for example when first section 611 and second sections 612 angle is the right angle, equally can satisfy requirement of the present invention, realizes the object of the invention.
With the wheel crane is example; Please refer to Fig. 5, when hoisting crane is in the operating condition that hoists (i.e. first laying state), need utilize pedal ladder upper and lower; Jointed shaft 4 is positioned at second section 612 end of hinge hole 61; Keep vertically for first section 611, the angle between first section 611 and second sections 612 is an acute angle, can bear the stress that pedal ladder transmits to guarantee jointed shaft 4.After the state of hoisting crane changed, please in the lump with reference to figure 6, the pedal ladder 90 among clickwise Fig. 5 was spent state shown in Figure 6 (second laying state); The whole height of pedal ladder is diminished, do not produce interference when guaranteeing the supporting leg retraction, make pedal ladder slide to first section 611 end along hinge hole 61 simultaneously; Make pedal ladder be fully retracted car body inside; Further reduce the integral width of hoisting crane, improve the crossing ability and the applicability of hoisting crane, improve transition efficient.
In a kind of concrete embodiment, pedal ladder can be installed between first baffle plate 31 and second baffle 32 of wheel crane.As shown in Figure 3, first baffle plate 31 and second baffle 32 between two wheels of wheel crane, make pedal ladder not with walk platen and be connected, being provided with of each pedal 2 can be more freely, operating personal is more convenient when upper and lower pedal ladder, traveling comfort is better.At this moment, the hinge hole 61 that has first section 611 and second sections 612 is preferably disposed on two risers 6 of pedal ladder, avoids being opened on first baffle plate 31 and the second baffle 32, avoids influencing the retaining mud function of first baffle plate 31 and second baffle 32.Obviously, pedal ladder can also be installed on other position of portable construction machinery and equipment.
Please, in a kind of concrete embodiment, pin shaft hole A and pin shaft hole B (being equivalent to two first connecting bores) can be set on first baffle plate 31, connecting bore a and connecting bore b (being equivalent to two second connecting bores) are set on the riser 6 again with reference to figure 5 and Fig. 6.When pedal ladder is in first laying state (is the mode of operation of pedal ladder; The wheel crane operation that can hoist this moment) time; Riser 6 is in vertical state, and pin shaft hole B is corresponding with the position of connecting bore b, can the two be fixed together through bearing pin (in the captive joint assembly a kind of); When pedal ladder was in second laying state (wheel crane can go), riser 6 was in horizontality, and pin shaft hole A is corresponding with the position of connecting bore a, also can the two be fixed together through bearing pin.Obviously; Riser 6 should be rectangular plate, and the height of the height during its vertical state during greater than horizontality, when making wheel crane be in two kinds of different state; The height of pedal ladder is different, thereby effectively avoids pedal ladder not interfere with the supporting leg of wheel crane.
Please refer to Fig. 7 and Fig. 8, Fig. 7 is the exploded perspective view of a kind of specific embodiment of captive joint assembly provided by the present invention; Fig. 8 is the connection generalized section of captive joint assembly shown in Figure 7.
Particularly, car body 3 can comprise handle 51, shank 52 and locking projections 53 with the assembly 5 of captiveing joint between the pedal ladder, and pin shaft hole A and pin shaft hole B all have the mating groove that adapts with locking projections 53.Captiveing joint with first baffle plate 31 with riser 6 is example, and pedal ladder is carried out pin regularly, and pin fixed protruding 53 is from the position insertion of mating groove; During gap location between the riser 6 and first baffle plate; Rotary handle 51 makes it to drive shank 52 and the suitable angle of locking projections 53 rotations, and locking projections 53 is arranged between the riser 6 and first baffle plate 31; Accomplish the fixing of the riser 6 and first baffle plate 31, promptly accomplish the fixing of pedal ladder and car body 3.Its operating process is simple, is easy to realize.
Please refer to Fig. 9 and Figure 10, Fig. 9 is the exploded perspective view of a kind of specific embodiment of pedal ladder provided by the present invention; Figure 10 is the perspective view of pedal ladder shown in Figure 9.
Because the weight that riser 6 need bear operating personal after use after a while, deforms probably.Therefore, axle sleeve 41 can be set at the peripheral part of jointed shaft 4, and the size of axle sleeve 41 can equate with the size of hinge hole 61, axle sleeve 41 is arranged in the hinge hole 61 just, both avoided jointed shaft 4 between two risers 6, to slide, improve the bonded assembly reliability; Can increase the intensity of jointed shaft 4 again, prolong the service life of jointed shaft 4.
Further, the length of axle sleeve 41 can equate with the distance between two risers 6, and two risers 6 are carried out cross-tie, avoids influence that structure the produced expansion of the distortion of riser 6 to pedal ladder, thereby makes pedal ladder more reliable.Obviously, above-mentioned equating, should comprise acceptable production, installation error.
Can do to improve further to above-mentioned pedal ladder.
In the concrete embodiment of another kind, pedal ladder provided by the present invention can also comprise cover plate 7 and anti-skid cover 8, and cover plate 7 is located at the top of riser 6, and anti-skid cover 8 is located at the upside of cover plate 7.Anti-skid cover 8 can be as shown in Figure 9 flat board, and have regularly arranged hole, make anti-skid cover 8 can play skidproof effect, improve the safety of pedal ladder, the outward appearance that can beautify portable construction machinery and equipment again.Simultaneously, anti-skid cover 8 can have multiple structure, can be the multiple structure that has netted, groove, salient point etc.; Be to be understood that; The structure that in mechanical industry, has multiple maturation can play anti-skidding effect, can enumerate no longer one by one at this according to the actual suitably imitative usefulness of portable construction machinery and equipment.
Except above-mentioned pedal ladder; The present invention also provides a kind of portable construction machinery and equipment that comprises above-mentioned pedal ladder; Above-mentioned pedal ladder is selectively captiveed joint with the car body of portable construction machinery and equipment, and the structure of these other each several parts of movable type construction machinery and equipment please refer to prior art, and this paper repeats no more.
Particularly, above-mentioned portable construction machinery and equipment can be that perhaps other need settle the portable construction machinery and equipment of pedal ladder to wheel crane.
More than portable construction machinery and equipment provided by the present invention and pedal ladder thereof have been carried out detailed introduction.Used concrete example among this paper principle of the present invention and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof.Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of claim of the present invention.
Claims (10)
1. a pedal ladder that is used for portable construction machinery and equipment comprises the pedal (2) that is used to trample, and it is characterized in that, is provided with jointed shaft (4) between the car body (3) of said pedal (2) and said portable construction machinery and equipment and captives joint assembly (5); Said pedal (2) is hinged through said jointed shaft (4) with said car body (3), and passes through selectively captive joint of said captive joint assembly (5).
2. the pedal ladder that is used for portable construction machinery and equipment according to claim 1 is characterized in that, also comprises two risers (6) of captiveing joint with the two ends of said pedal (2) respectively; Said riser (6) has the hinge hole (61) that holds said jointed shaft (4); Said pedal (2) is connected with said car body (3) through said riser (6).
3. the pedal ladder that is used for portable construction machinery and equipment according to claim 2; It is characterized in that; One have at least two first connecting bores in said riser (6) and the said car body (3); Another person has at least one and cooresponding second connecting bore in the said first connecting bore position, and said captive joint assembly (5) connects said first connecting bore and said second connecting bore.
4. according to each described pedal ladder that is used for portable construction machinery and equipment of claim 1 to 3; It is characterized in that; Said pedal (2) comprises first section (611) and second section (612) becoming predetermined angular with said first section (611) with hinge hole (61) between the said car body (3), and said jointed shaft (4) is connected in said first section (611) or said second section (612).
5. the pedal ladder that is used for portable construction machinery and equipment according to claim 4 is characterized in that, said predetermined angular is an acute angle.
6. the pedal ladder that is used for portable construction machinery and equipment according to claim 5 is characterized in that, said car body (3) comprises first baffle plate (31) and second baffle (32), and said pedal ladder is located between said first baffle plate (31) and the said second baffle (32).
7. the pedal ladder that is used for portable construction machinery and equipment according to claim 6; It is characterized in that; Said first baffle plate (31) and said second baffle (32) all have and the cooresponding through hole in said hinge hole (61) position, and said jointed shaft (4) penetrates said hinge hole (61) and said through hole.
8. the pedal ladder that is used for portable construction machinery and equipment according to claim 7; It is characterized in that; Also comprise the axle sleeve (41) that is placed in said jointed shaft (4) periphery; The external diameter of this axle sleeve (41) equates with the size of said hinge hole (61), and the length of said axle sleeve (41) equates with distance between the two said risers (6).
9. the pedal ladder that is used for portable construction machinery and equipment according to claim 8 is characterized in that, also comprises the cover plate (7) of being located at two said riser (6) tops, and the anti-skid cover (8) of being located at said cover plate (7) upside.
10. a portable construction machinery and equipment is characterized in that, comprises like each described pedal ladder of claim 1 to 9, and this pedal ladder is selectively captiveed joint with the car body (3) of said portable construction machinery and equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010224531.0A CN102310811B (en) | 2010-07-07 | 2010-07-07 | Movable engineering machine and pedal ladder thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010224531.0A CN102310811B (en) | 2010-07-07 | 2010-07-07 | Movable engineering machine and pedal ladder thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102310811A true CN102310811A (en) | 2012-01-11 |
| CN102310811B CN102310811B (en) | 2014-11-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010224531.0A Expired - Fee Related CN102310811B (en) | 2010-07-07 | 2010-07-07 | Movable engineering machine and pedal ladder thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102310811B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201099208Y (en) * | 2007-09-07 | 2008-08-13 | 常熟中欧旅居车辆有限公司 | Mechanical pedal mechanism for compartment |
| WO2008098425A1 (en) * | 2007-02-14 | 2008-08-21 | T-Max (Hangzhou) Industrial Co., Ltd. | Retractable construction for vehicle step |
| CN101402326A (en) * | 2008-08-04 | 2009-04-08 | 东华大学 | Auxiliary apparatus for getting on/down car driven by the physical disabilities |
| CN201254143Y (en) * | 2008-07-18 | 2009-06-10 | 姜志明 | Rocking arm type retractable vehicle foot treadle |
| CN201362211Y (en) * | 2009-02-25 | 2009-12-16 | 张建明 | Movable footboard mechanism of fire engine |
| CN201794509U (en) * | 2010-07-07 | 2011-04-13 | 徐州重型机械有限公司 | Movable engineering machinery and step ladder thereof |
-
2010
- 2010-07-07 CN CN201010224531.0A patent/CN102310811B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008098425A1 (en) * | 2007-02-14 | 2008-08-21 | T-Max (Hangzhou) Industrial Co., Ltd. | Retractable construction for vehicle step |
| CN201099208Y (en) * | 2007-09-07 | 2008-08-13 | 常熟中欧旅居车辆有限公司 | Mechanical pedal mechanism for compartment |
| CN201254143Y (en) * | 2008-07-18 | 2009-06-10 | 姜志明 | Rocking arm type retractable vehicle foot treadle |
| CN101402326A (en) * | 2008-08-04 | 2009-04-08 | 东华大学 | Auxiliary apparatus for getting on/down car driven by the physical disabilities |
| CN201362211Y (en) * | 2009-02-25 | 2009-12-16 | 张建明 | Movable footboard mechanism of fire engine |
| CN201794509U (en) * | 2010-07-07 | 2011-04-13 | 徐州重型机械有限公司 | Movable engineering machinery and step ladder thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102310811B (en) | 2014-11-12 |
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