CN201794509U - Movable engineering machinery and step ladder thereof - Google Patents
Movable engineering machinery and step ladder thereof Download PDFInfo
- Publication number
- CN201794509U CN201794509U CN2010202538069U CN201020253806U CN201794509U CN 201794509 U CN201794509 U CN 201794509U CN 2010202538069 U CN2010202538069 U CN 2010202538069U CN 201020253806 U CN201020253806 U CN 201020253806U CN 201794509 U CN201794509 U CN 201794509U
- Authority
- CN
- China
- Prior art keywords
- pedal
- engineering machinery
- ladder
- portable engineering
- pedal ladder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Ladders (AREA)
Abstract
The utility model discloses a step ladder for movable engineering machinery. The step ladder comprises a pedal (2) for treading, a hinge shaft (4) and a fixing connection component (5) are arranged between the pedal (2) and a vehicle body (3) of the movable engineering machinery, and the pedal (2) and the vehicle body (3) are connected with each other via the hinge shaft (4), and are in selectively fixed connection via the fixing connection component (5). At least two fixed connection positions are arranged between the pedal and the vehicle body, and the pedal and the vehicle body can be respectively fixedly connected to different positions via the hinge shaft when the movable engineering machinery is in a moving state or a working state. Therefore, interference among other components of the movable engineering machinery and the step ladder can be avoided effectively, and the movable engineering machinery is more convenient and flexible in design. In addition, the utility model further provides the movable engineering machinery comprising the step ladder, and the adaptability of the movable engineering machinery is increased.
Description
Technical field
The utility model relates to portable engineering machinery field, particularly relates to a kind of pedal ladder that is used for portable engineering machinery.In addition, the utility model also relates to a kind of portable engineering machinery that comprises above-mentioned pedal ladder.
Background technology
Along with the fast development of China's economic construction, various portable engineering machinery continue to bring out, and are widely used in a plurality of industries.Wheeled crane is a kind of common portable engineering machinery, because of it has the favor that cut to fast performance and bigger load capacity enjoy the user.
Please refer to Fig. 1 and Fig. 2, Fig. 1 is the partial structurtes schematic diagram of the portable engineering machinery of a kind of typical case in the prior art; Fig. 2 is the connection diagram of ladder in the portable engineering machinery of a kind of typical case in the prior art.
For the ease of maintenance to portable engineering machinery, satisfy operator's action need simultaneously, most of portable engineering machinery all are provided with is convenient to upper and lower ladder.With the wheeled crane is example, ladder is as an ingredient of wheeled crane covering, 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 engineering machinery comprises parallel first 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 fixedlyed connected with the platen 14 of walking of portable engineering machinery with second baffle 12.Simultaneously, walk also fixedly connected 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 and second baffle 12 are installed in away on the platen 14 with bolt, packing ring, nut as spacing with pedal 13 length, temporarily not fastening; Stick in the grooved bayonet socket of pedal with a long screw, the end of thread that will grow a screw again injects in the hole of angle steel 16, with the fastening length of a locknut 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 with to walk platen 14 fastening, finish fixedlying connected of ladder and portable other structure of engineering machinery.
Be not difficult to find out that from the installation process of said structure description and ladder ladder must carry out with portable engineering machinery erection sequence when installing, its installation rate is slow, influences the manufacturing schedule of portable engineering machinery.And other structure of ladder and portable engineering machinery is for fixedlying connected in the existing mounting means, and during portable engineering machinery work, ladder forms interference with dynamic parts on every side probably, influences portable engineering machinery operate as normal.
In addition, existing ladder relies on multistage pedal 13 to be arranged vertically, and activity space was less when the operator climbed, and must strain at handle 15 by both hands, and is handicapped, and comfortableness is relatively poor.
Therefore, how to reduce the influence of ladder to portable engineering machinery work, more convenient when making the upper and lower portable engineering machinery of staff simultaneously, comfortableness is better, is the present technical issues that need to address of those skilled in the art.
The utility model content
The purpose of this utility model provides a kind of pedal ladder that is used for portable engineering machinery, and this pedal ladder can rotate, and can adapt to the different operating modes of portable engineering machinery, avoids other assembly of pedal ladder and portable engineering machinery to produce interference; Its comfortableness is better simultaneously, more convenient when the staff utilizes this pedal ladder, safety.Another purpose of the present utility model provides a kind of portable engineering machinery that comprises above-mentioned pedal ladder, and its safety is improved.
For realizing above-mentioned utility model purpose, the utility model provides a kind of pedal ladder that is used for portable engineering machinery, comprises the pedal that is used to trample, and is provided with jointed shaft between the car body of described pedal and described portable engineering machinery and fixedlys connected assembly; Described pedal and described car body are hinged by described jointed shaft, and selectively fixedly connected by described fixedly connected assembly.
Preferably, also comprise two risers of fixedlying connected with the two ends of described pedal respectively; Described riser has the hinge hole that holds described jointed shaft; Described pedal is connected with described car body by described riser.
Preferably, one have at least two first connecting holes in described riser and the described car body, another person has at least one and the second corresponding connecting hole of the described first connecting hole position, and described fixedly connected assembly connects described first connecting hole and described second connecting hole.
Preferably, described pedal and hinge hole between the described car body comprise first section with described first section second section of becoming predetermined angular, described jointed shaft is connected in described first section or described second section.
Preferably, described predetermined angular is an acute angle.
Preferably, described car body comprises first baffle plate and second baffle, and described pedal ladder is located between described first baffle plate and the described second baffle.
Preferably, described first baffle plate and described second baffle all have and the corresponding through hole in described hinge hole position, and described jointed shaft penetrates described hinge hole and described through hole.
Preferably, also comprise the axle sleeve that is placed in described jointed shaft periphery, the external diameter of this axle sleeve equates with the size of described hinge hole, and the length of described axle sleeve equates with distance between the two described risers.
Preferably, also comprise the cover plate of being located at two described riser tops, and the anti-skid cover of being located at described cover plate upside.
Providing on the basis of above-mentioned pedal ladder, the utility model also provides a kind of portable engineering machinery, comprises above-mentioned each described pedal ladder, and this pedal ladder is selectively fixedlyed connected with the car body of described portable engineering machinery.
Pedal ladder provided by the utility model is used for portable engineering machinery, makes portable engineering machinery can have at least two kinds of laying states when mobile status and during duty, to satisfy the application need of portable engineering machinery when the different conditions.This pedal ladder comprises and is used for the pedal that the operator tramples, unlike the prior art be, be provided with jointed shaft and fixedly connected assembly between its pedal and the car body, hinged between pedal and the car body by jointed shaft, and selectively fixedly connected by fixedly connected assembly.Be to have at least two fixedly connected positions between pedal and the car body, when portable engineering machinery was in mobile status and duty, pedal was fixedly connected on different positions respectively with car body, and realizes by jointed shaft between the variant position.Like this, interfere with pedal ladder in the time of can effectively avoiding the supporting leg of portable engineering machinery to shrink, make the supporting leg design of portable engineering machinery more convenient flexible.
A kind of preferred embodiment in, pedal ladder provided by the utility model also comprises two risers of fixedlying connected with the two ends of described pedal respectively; Described riser has the hinge hole that holds described jointed shaft; Described pedal is connected with described car body by described riser.Be described pedal with described 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 the different duty needs of portable engineering machinery.
In another preferred embodiment, described pedal and hinge hole between the described car body comprise first section with described first section second section of becoming predetermined angular, described jointed shaft is connected in described first section or described second section.Like this, when the state of portable engineering machinery 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 by sliding.This is simple in structure, and the pedal ladder state is simple when changing, and changes the efficient height, helps improving the operating efficiency of portable engineering machinery.
Providing on the basis of above-mentioned pedal ladder, the utility model also provides a kind of portable engineering machinery that comprises above-mentioned pedal ladder; Because pedal ladder has above-mentioned technique effect, the portable engineering machinery with this pedal ladder also has the corresponding techniques effect.
Description of drawings
Fig. 1 is the partial structurtes schematic diagram of the portable engineering machinery of a kind of typical case in the prior art;
Fig. 2 is the connection diagram of ladder in the portable engineering machinery of a kind of typical case in the prior art;
Fig. 3 provides the partial structurtes schematic diagram of a kind of specific embodiment of portable engineering machinery for the utility model;
Fig. 4 is the partial enlarged drawing of A part among Fig. 3;
Connection diagram when Fig. 5 is in first laying state for a kind of specific embodiment of pedal ladder that the utility model provides;
Connection diagram when Fig. 6 is in second placement location for pedal ladder shown in Figure 5;
Fig. 7 provides the exploded perspective view of a kind of specific embodiment of fixedly connected assembly for the utility model;
Fig. 8 is the connection generalized section of fixedly connected assembly shown in Figure 7;
Fig. 9 provides the exploded perspective view of a kind of specific embodiment of pedal ladder for the utility model;
Figure 10 is the perspective view of pedal ladder shown in Figure 9.
The specific embodiment
Core of the present utility model provides a kind of pedal ladder that is used for portable engineering machinery, and this pedal ladder can rotate, and can adapt to the different operating modes of portable engineering machinery, avoids other assembly of pedal ladder and portable engineering machinery to produce interference; Its comfortableness is better simultaneously, more convenient when the staff utilizes this pedal ladder, safety.Another core of the present utility model provides a kind of portable engineering machinery 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 direction of advance of portable engineering machinery and pedal ladder.The noun of locality that should be appreciated that herein to be adopted should not limit the protection domain of this patent.In addition, this paper is example with the wheeled crane, the use of pedal ladder is described, but portable engineering machinery provided by the utility model includes but not limited to wheeled crane.
Wheeled crane when travels down, its supporting leg is in retracted state, to improve safe trafficability characteristic; When wheeled crane hoisted operation, its supporting leg was in the state of stretching out, with the hoist stability of operation of enhancing.When crane hoisted operation, pedal ladder can the upper and lower crane of handled easily personnel; And crane is when travels down, and operating personnel generally can not climb crane, and this moment, operating personnel did not need to 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 utility model can have at least two laying states: when wheeled crane hoisted operation, pedal ladder was in running order, and operating personnel need upper and lower pedal ladder; When wheeled 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 fixedly connected assembly 5 between the pedal 2 of pedal ladder provided by the utility model and the car body 3, hinged between pedal 2 and the car body 3 by jointed shaft 4, and selectively fixedly connected by fixedly connected assembly 5.Be to have at least two fixedly connected positions between pedal 2 and the car body 3, when portable engineering machinery was in mobile status and duty, pedal 2 was fixedly connected on different positions respectively with car body 3, and realized by 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 engineering machinery to shrink, make the supporting leg design of portable engineering machinery more convenient flexible.
In order to make those skilled in the art person understand the utility model scheme better, the utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Please refer to Fig. 3 and Fig. 4, Fig. 3 provides the partial structurtes schematic diagram of a kind of specific embodiment of portable engineering machinery for the utility model; Fig. 4 is the partial enlarged drawing of A part among Fig. 3.
In a kind of concrete embodiment, pedal ladder provided by the utility model can comprise some pedals 2 and two risers 6 of fixedlying connected 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 by riser 6.Be pedal 2 with car body 3 for to be connected indirectly, riser 6 and pedal 2 can make pedal ladder have different location statuss with respect to car body 3 with respect to car body 3 rotations together, satisfy the different duty needs of portable engineering machinery.
Obviously, jointed shaft 4 can with car body 3 and pedal ladder in one fixedly connected, another person is provided with hinge hole 61, and the structure of hinge hole 61 can be according to adjusting the needs setting.Simultaneously, jointed shaft 61 also can be an independent structures, all be not connected with car body 3, pedal ladder, as shown in Figure 9, as long as the hole that have position correspondence on car body 3 and the pedal ladder this moment, just can the two be coupled together by jointed shaft 4, and the state different according to portable engineering machinery, make both fixedly connected or hinged.
In addition, when jointed shaft 4 was fixedlyed connected 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 purpose of this utility model.Should be appreciated that above-mentioned structure is being equal to of pedal ladder that the utility model provides or makes a variation, all should be within protection domain of the present utility model.
Particularly, one have at least two first connecting holes in riser 6 and the car body 3, and another person has at least one second connecting hole corresponding with the first connecting hole position, and fixedly connected assembly is fixedlyed connected with second connecting hole by connecting first connecting hole.When car body 3 needed to fixedly connected with riser 6, one first connecting hole was fixedlyed connected with one second connecting hole; After pedal ladder rotates with respect to car body 3, the former first fixedly connected connecting hole and the relative position of second connecting hole change, as long as other connecting hole is arranged with the relative position of above-mentioned first connecting hole and second connecting hole on riser 6 and the car body 3, then can satisfy fixedly connected requirement.
Obviously, the position of first connecting hole and second connecting hole all can have a plurality of, and at this moment, fixedly connected assembly can be by structures such as the bearing pin of first connecting hole and second connecting hole, bolts.Between riser 6 and the car body 3 can not be to be connected by connecting hole also, but fixedly connected by other dismountable fixed forms such as clampings.
Please refer to Fig. 5 and Fig. 6, the connection diagram when Fig. 5 is in first laying state for a kind of specific embodiment of pedal ladder that the utility model provides; Connection diagram 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 engineering machinery changes, pedal ladder is after the suitable angle of jointed shaft 4 rotations, can be in 61 li slips of hinge hole, slide into second section 612 from first section 611, perhaps slide into first section 611 from second section 612, satisfy the position needs of pedal ladder when new state by sliding.This is simple in structure, and the pedal ladder state is simple when changing, and changes the efficient height, helps improving the operating efficiency of portable engineering machinery.
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 active force of jointed shaft 4 just, forms stable duty.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 utility model, realizes the purpose of this utility model.
With the wheeled crane is example, please refer to Fig. 5, when crane is in the job state 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 crane changes, please in the lump with reference to figure 6, the pedal ladder 90 that turns clockwise among Fig. 5 is 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 crane, improve the trafficability characteristic and the applicability of 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 wheeled crane.As shown in Figure 3, first baffle plate 31 and second baffle 32 between two wheels of wheeled crane, make pedal ladder not with walk platen and be connected, being provided with of each pedal 2 can be more freely, operating personnel are more convenient when upper and lower pedal ladder, comfortableness 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 engineering machinery.
Refer again to Fig. 5 and Fig. 6, in a kind of concrete embodiment, pin shaft hole A and pin shaft hole B (being equivalent to two first connecting holes) can be set on first baffle plate 31, connecting hole a and connecting hole b (being equivalent to two second connecting holes) are set on the riser 6.When pedal ladder is in first laying state (is the duty of pedal ladder, the wheeled crane operation that can hoist this moment) time, riser 6 is in vertical state, pin shaft hole B is corresponding with the position of connecting hole b, can the two be fixed together by bearing pin (in the fixedly connected assembly a kind of); When pedal ladder was in second laying state (wheeled crane can travel), riser 6 was in level, and pin shaft hole A is corresponding with the position of connecting hole a, also can the two be fixed together by bearing pin.Obviously, riser 6 should be rectangular plate, and the height of the height during its vertical state during greater than level, when making wheeled crane be in two kinds of different states, the height of pedal ladder is different, thereby effectively avoids pedal ladder not interfere with the supporting leg of wheeled crane.
Please refer to Fig. 7 and Fig. 8, Fig. 7 provides the exploded perspective view of a kind of specific embodiment of fixedly connected assembly for the utility model; Fig. 8 is the connection generalized section of fixedly connected assembly shown in Figure 7.
Particularly, car body 3 can comprise handle 51, shank 52 and locking projections 53 with the assembly 5 of fixedlying connected 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.Be fixedly connected as example with the riser 6 and first baffle plate 31, pedal ladder is carried out pin regularly, the fixed projection 53 of pin is inserted from the position 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, finish the fixing of the riser 6 and first baffle plate 31, promptly finish 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 provides the exploded perspective view of a kind of specific embodiment of pedal ladder for the utility model; Figure 10 is the perspective view of pedal ladder shown in Figure 9.
Because the weight that riser 6 need bear operating personnel 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 reliability that connects; Can increase the intensity of jointed shaft 4 again, prolong the application 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 binding, 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, alignment error.
Can do to improve further to above-mentioned pedal ladder.
In the concrete embodiment of another kind, pedal ladder provided by the utility model 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 anti-skidding effect, improve the safety of pedal ladder, can beautify the outward appearance of portable engineering machinery 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 has multiple maturation in mechanical industry can play anti-skidding effect, can enumerate no longer one by one at this according to the actual suitably imitative usefulness of portable engineering machinery.
Except above-mentioned pedal ladder, the utility model also provides a kind of portable engineering machinery that comprises above-mentioned pedal ladder, above-mentioned pedal ladder is selectively fixedlyed connected with the car body of portable engineering machinery, and the structure of these other each several parts of movable type engineering machinery please refer to prior art, and this paper repeats no more.
Particularly, above-mentioned portable engineering machinery can be that wheeled crane or other need be settled the portable engineering machinery of pedal ladder.
More than portable engineering machinery provided by the utility model and pedal ladder thereof are described in detail.Used specific case herein principle of the present utility model and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present utility model and core concept thereof.Should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model principle, can also carry out some improvement and modification to the utility model, these improvement and modification also fall in the protection domain of the utility model claim.
Claims (10)
1. a pedal ladder that is used for portable engineering machinery 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 described pedal (2) and described portable engineering machinery and fixedlys connected assembly (5); Described pedal (2) is hinged by described jointed shaft (4) with described car body (3), and selectively fixedly connected by described fixedly connected assembly (5).
2. the pedal ladder that is used for portable engineering machinery according to claim 1 is characterized in that, also comprises two risers (6) of fixedlying connected with the two ends of described pedal (2) respectively; Described riser (6) has the hinge hole (61) that holds described jointed shaft (4); Described pedal (2) is connected with described car body (3) by described riser (6).
3. the pedal ladder that is used for portable engineering machinery according to claim 2, it is characterized in that, one have at least two first connecting holes in described riser (6) and the described car body (3), another person has at least one and the second corresponding connecting hole of the described first connecting hole position, and described fixedly connected assembly (5) connects described first connecting hole and described second connecting hole.
4. according to each described pedal ladder that is used for portable engineering machinery of claim 1 to 3, it is characterized in that, described pedal (2) comprises first section (611) and second section (612) becoming predetermined angular with described first section (611) with hinge hole (61) between the described car body (3), and described jointed shaft (4) is connected in described first section (611) or described second section (612).
5. the pedal ladder that is used for portable engineering machinery according to claim 4 is characterized in that, described predetermined angular is an acute angle.
6. the pedal ladder that is used for portable engineering machinery according to claim 5, it is characterized in that, described car body (3) comprises first baffle plate (31) and second baffle (32), and described pedal ladder is located between described first baffle plate (31) and the described second baffle (32).
7. the pedal ladder that is used for portable engineering machinery according to claim 6, it is characterized in that, described first baffle plate (31) and described second baffle (32) all have and the corresponding through hole in described hinge hole (61) position, and described jointed shaft (4) penetrates described hinge hole (61) and described through hole.
8. the pedal ladder that is used for portable engineering machinery according to claim 7, it is characterized in that, also comprise the axle sleeve (41) that is placed in described jointed shaft (4) periphery, the external diameter of this axle sleeve (41) equates with the size of described hinge hole (61), and the length of described axle sleeve (41) equates with distance between the two described risers (6).
9. the pedal ladder that is used for portable engineering machinery according to claim 8 is characterized in that, also comprises the cover plate (7) of being located at two described riser (6) tops, and the anti-skid cover (8) of being located at described cover plate (7) upside.
10. a portable engineering machinery is characterized in that, comprises as each described pedal ladder of claim 1 to 9, and this pedal ladder is selectively fixedlyed connected with the car body (3) of described portable engineering machinery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202538069U CN201794509U (en) | 2010-07-07 | 2010-07-07 | Movable engineering machinery and step ladder thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202538069U CN201794509U (en) | 2010-07-07 | 2010-07-07 | Movable engineering machinery and step ladder thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201794509U true CN201794509U (en) | 2011-04-13 |
Family
ID=43849424
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202538069U Expired - Fee Related CN201794509U (en) | 2010-07-07 | 2010-07-07 | Movable engineering machinery and step ladder thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201794509U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102310811A (en) * | 2010-07-07 | 2012-01-11 | 徐州重型机械有限公司 | Movable engineering machine and pedal ladder thereof |
-
2010
- 2010-07-07 CN CN2010202538069U patent/CN201794509U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102310811A (en) * | 2010-07-07 | 2012-01-11 | 徐州重型机械有限公司 | Movable engineering machine and pedal ladder thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201794509U (en) | Movable engineering machinery and step ladder thereof | |
| CN102826447B (en) | Truss jib crane as well as getting-off structure and position transferring method thereof | |
| CN207418151U (en) | A kind of multifunctional building crane | |
| CN203866658U (en) | Double-layer vibration reduction fastener manual disassembly tool kit for urban railway | |
| CN102310811B (en) | Movable engineering machine and pedal ladder thereof | |
| CN112012464A (en) | Hydraulic integral climbing system for building machine | |
| CN202435184U (en) | Adjustable motor support | |
| CN204323200U (en) | Construction machinery and equipment close to system and hoisting crane | |
| CN203570189U (en) | Ladder capable of improving security of operator | |
| CN207004437U (en) | A kind of oil-well rig boring tower | |
| CN215252954U (en) | Side slope supporting device for foundation engineering construction | |
| CN205500626U (en) | Climbing mechanism in tower crane | |
| CN203844676U (en) | Engineering vehicle and ladder thereof | |
| CN205526158U (en) | Helicopter ground carrier | |
| CN201632751U (en) | Moving device for fixing CO2 welder and gas cylinder | |
| CN210885197U (en) | Portable crank arm lift of track | |
| CN110428963B (en) | Large transformer mounting, hoisting and moving machine and method | |
| CN211421778U (en) | Scaffold with anti-skidding structure for building | |
| CN203321338U (en) | Lifting working platform for vehicle-mounted deep well drilling machine | |
| CN2925778Y (en) | Double power-driven walk chassis | |
| CN203081276U (en) | Retractable boarding ladder | |
| CN205132959U (en) | Climb building hoist | |
| CN206553048U (en) | A kind of elevator stair part and step connection structure of frame | |
| CN202785543U (en) | Overhead working truck and working bucket thereof | |
| CN209938447U (en) | Self-positioning sliding pedal structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110413 Termination date: 20180707 |