CN109083588B - Fixing device for pedal type lifting ladder - Google Patents
Fixing device for pedal type lifting ladder Download PDFInfo
- Publication number
- CN109083588B CN109083588B CN201811069357.XA CN201811069357A CN109083588B CN 109083588 B CN109083588 B CN 109083588B CN 201811069357 A CN201811069357 A CN 201811069357A CN 109083588 B CN109083588 B CN 109083588B
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- 230000001105 regulatory effect Effects 0.000 claims description 8
- 230000033001 locomotion Effects 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C1/00—Ladders in general
- E06C1/52—Ladders in general with non-rigid longitudinal members
- E06C1/54—Ladders in general with non-rigid longitudinal members of the lazy-tongs type
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/02—Extending means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ladders (AREA)
Abstract
The invention discloses a fixing device for a pedal type lifting ladder, which comprises fixing frames and pedal rods, wherein a plurality of uniformly distributed pedal rods are arranged between the fixing frames, each fixing frame consists of a top plate, a bottom plate, a connecting frame, a fixing frame and a telescopic frame, the upper end of each bottom plate is provided with a chute, two ends in each chute are respectively provided with a first slide block and a second slide block, the first slide block is fixedly connected with the side wall of one end of each chute, the side wall of the other end of each chute is fixedly connected with the second slide block through a hydraulic rod, the fixing frame positioned on the outer side of the bottom plate is provided with a square adjusting hole, the second slide block is provided with a fixedly connected adjusting block, a fixing shaft is arranged in each square adjusting hole, the fixing shaft penetrates through a threaded hole to be movably connected with a clamping plate in a threaded connection mode, the inner side of the clamping plate is provided with first, the position of the second sliding block is further fixed through the meshing fixation of the rack.
Description
The technical field is as follows:
the invention relates to a fixing device for a pedal type lifting ladder.
Background art:
ladder, daily life apparatus, this instrument are done the limit by two long thick poles, and the horizontal pole that is fit for the climbing is crossed in the middle of for climb, the ladder divide into lift single ladder and lift double ladder.
In some ladders, after the ladder is stretched, the stability of the fixing device is poor, and the situation of poor fixation and great trouble are easy to occur.
The invention content is as follows:
the prior art is difficult to meet the requirements of people, and in order to solve the existing problems, the invention provides a fixing device for a pedal type lifting ladder.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a fixing device for pedal type lift ladder, includes mount and pedal pole, be equipped with a plurality of evenly distributed's pedal pole, its characterized in that between the mount: the utility model discloses a flexible frame of fixed frame assorted, including pedal pole, first connecting axle and second adjusting rod that are crisscross distribution and swing joint are equipped with on the first connecting axle, between the adjacent pedal pole from top to bottom between first adjusting rod and the second adjusting rod respectively through two second connecting axle swing joint about first connecting axle horizontal symmetry, both ends are equipped with roof and bottom plate respectively about the mount, be equipped with a plurality of evenly distributed's link frame between roof and the bottom plate, all be equipped with fixed frame between the link frame, between link frame and the roof and between link frame and the bottom plate, both ends, the bottom of roof and the upper end of bottom plate all are equipped with fixed connection and with fixed frame assorted flexible frame about the link frame, the first connecting axle fixed connection of top in bottom and the mount of roof, the mount is by roof, The bottom plate, the connecting frame, the fixed frame and the telescopic frame;
the upper end of the bottom plate is provided with a sliding chute, a first sliding block and a second sliding block are respectively arranged at two ends in the sliding chute, the upper ends of the first sliding block and the second sliding block are respectively movably connected with the bottom of a second adjusting rod and the bottom of a first adjusting rod, the first sliding block is fixedly connected with the side wall of one end of the sliding chute, the side wall of the other end of the sliding chute is provided with a fixedly connected hydraulic rod, and the front end of the hydraulic rod is fixedly connected with the second sliding block;
the hydraulic adjusting device comprises a bottom plate, a hydraulic rod, a pressing plate, adjusting shafts, adjusting plates, springs and a hydraulic adjusting rod, wherein the inner side of the bottom plate is provided with a manual hydraulic adjuster matched with the hydraulic rod, the inner side of the manual hydraulic adjuster is provided with a hydraulic adjusting rod with the same size, the hydraulic adjusting rod is a telescopic rod, the middle part between the manual hydraulic adjusters is provided with the pressing plate, the two ends of the pressing plate are provided with the adjusting shafts, the two ends of the pressing plate are movably connected with the hydraulic adjusting rod through the adjusting shafts, the bottom plate is provided with the fixedly connected adjusting plate;
the utility model discloses a hydraulic pressure regulating mechanism, including the spout, the fixed frame inside wall fixed connection of the lateral wall of spout and bottom plate upper end is located the bottom plate outside and is equipped with square regulation hole on the fixed frame, is located the hydraulic stem upper end be equipped with fixed connection's regulating block on the second slider, be equipped with the screw hole in the regulating block, be equipped with the fixed axle in the square regulation hole, be equipped with fixed connection's carousel on the fixed axle in the square regulation hole outside, be equipped with the cardboard on the fixed axle of square regulation hole inboard, the fixed axle passes screw hole and cardboard swing joint through threaded connection's form, the cardboard inboard is equipped with the first rack all with the distribution, be equipped with the second.
Preferably, the second connecting shaft is arranged inside the fixed frame, and the second connecting shaft is arranged in the middle of the first adjusting rod and the second adjusting rod.
Preferably, a pedal is arranged at the upper end of the pressing plate, the length of the pedal is larger than that of the pressing plate, the hydraulic adjusting rod located at one end of the adjusting shaft is arranged at the bottom of the pedal, and a fixing belt is arranged at the upper end of the pedal.
Preferably, the bottom of the bottom plate is provided with a supporting block with a circular arc-shaped side surface, and the upper surface of the supporting block is provided with anti-skid rubber pads which are uniformly laid and fixedly connected.
Furthermore, a plurality of fixed rubber blocks which are uniformly and symmetrically distributed are arranged on the anti-skid rubber pads positioned at the two ends of the bottom of the supporting block.
Preferably, the front end of the second rack is flush with the inner side wall of the sliding groove.
Preferably, the middle part of the outer side of the clamping plate is provided with a T-shaped clamping block which is fixedly connected, the fixed shaft is provided with a clamping groove matched with the T-shaped clamping block, and the clamping plate and the fixed shaft are movably connected in a clamping mode through the T-shaped clamping block and the clamping groove.
The first connecting shaft and the second connecting shaft are utilized to form a parallelogram between the first adjusting rod and the second adjusting rod, the adjustable lifting of the fixing frame is realized by adjusting the distance between the first adjusting rod and the second adjusting rod at the bottom, and the first sliding block and the second sliding block are arranged at the bottom of the first adjusting rod and the second adjusting rod because the height adjusting device is arranged at the bottom and needs stable and strong thrust, so that the first sliding block is fixed, and the hydraulic rod is utilized to control the forward and backward movement of the second sliding block, thereby the fixed lifting adjustment is more convenient;
set up the hydraulic pressure regulation pole that manual hydraulic pressure regulator used into the telescopic link, and pass through clamp plate swing joint with the hydraulic pressure regulation pole, make the hydraulic pressure regulation pole can carry out synchronous up-and-down motion, thereby can two manual hydraulic pressure regulators of synchronous start, the synchronous lift of mount has been realized, set up the regulating plate bottom the clamp plate, and pass through spring coupling between regulating plate and the clamp plate, utilize the elasticity of spring, make operating personnel press the back downwards with the foot, the clamp plate can be through the automatic elasticity of spring of going up, make the manual work step on and press more convenient and fast, and the operation is simpler. The height of the ladder is adjusted through treading at the bottom, so that the height of the ladder is more accurately controlled, and the operation is convenient and labor-saving.
Compared with the prior art, the invention has the beneficial effects that:
the adjusting hole and the fixing shaft are arranged on the outer side of the sliding groove, the first rack and the second rack on the fixing shaft are meshed and fixed through rotation of the handle, the position of the second sliding block is further fixed, and the situation that the manual hydraulic adjuster explodes due to overlarge weight at the upper end of the fixing frame, and therefore irrecoverable damage is caused is effectively prevented.
Description of the drawings:
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic side view of the present invention;
FIG. 3 is a side view of the internal structure of the present invention;
FIG. 4 is an enlarged schematic view of the structure at A in FIG. 1 according to the present invention;
FIG. 5 is an enlarged view of the structure of FIG. 2B according to the present invention;
FIG. 6 is a side view of the chute of the present invention;
FIG. 7 is a schematic top view of the chute of the present invention;
FIG. 8 is an enlarged view of the structure of FIG. 7 at C according to the present invention;
in the figure: 1-top plate, 2-first adjusting rod, 3-second connecting shaft, 4-second adjusting rod, 5-fixing frame, 6-sliding chute, 7-supporting block, 8-first sliding block, 9-anti-skid rubber pad, 10-telescopic frame, 11-hydraulic rod, 12-second sliding block, 13-pedal rod, 14-pedal plate, 15-hydraulic adjusting rod, 16-spring, 18-manual hydraulic adjuster, 19-adjusting plate, 20-adjusting shaft, 21-pressing plate, 22-fixing belt, 23-rotating disc, 24-bottom plate, 26-square adjusting hole, 27-adjusting block, 28-fixing shaft, 29-clamping plate, 30-second rack, 31-T-shaped clamping block, 32-threaded hole, 33-first rack, 33-second rack, 3-sliding block, 6-sliding chute, 7-supporting block, 9-first sliding block, 9-sliding block, 34-a clamping groove, 36-a connecting frame, 37-a first connecting shaft, 41-a fixing frame and 42-a fixed rubber block.
The specific implementation mode is as follows:
in order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained below by combining the specific drawings.
the upper end of the bottom plate 24 is provided with a sliding chute 6, two ends in the sliding chute 6 are respectively provided with a first sliding block 8 and a second sliding block 12, the upper ends of the first sliding block 8 and the second sliding block 12 are respectively movably connected with the bottoms of the second adjusting rod 4 and the first adjusting rod 2, the first sliding block 8 is fixedly connected with the side wall of one end of the sliding chute 6, the side wall of the other end of the sliding chute 6 is provided with a fixedly connected hydraulic rod 11, and the front end of the hydraulic rod 11 is fixedly connected with the second sliding block 12;
the hydraulic adjusting device is characterized in that manual hydraulic adjusters 18 matched with the hydraulic rods 11 are arranged on the inner sides of the bottom plates 24, hydraulic adjusting rods 15 with the same size are arranged on the inner sides of the manual hydraulic adjusters 18, the hydraulic adjusting rods 15 are telescopic rods, a pressing plate 21 is arranged in the middle between the manual hydraulic adjusters 18, adjusting shafts 20 are arranged at two ends of the pressing plate 21, two ends of the pressing plate 21 are movably connected with the hydraulic adjusting rods 15 through the adjusting shafts 20, adjusting plates 19 fixedly connected are arranged between the bottom plates 24, springs 16 fixedly connected are arranged in the middle of the adjusting plates 19, and the upper ends of the springs 16 are fixedly connected with the bottoms of the pressing plates 19.
Preferably, the second connecting shaft 3 is arranged inside the fixed frame 5, and the second connecting shaft 3 is arranged in the middle of the first adjusting rod 2 and the second adjusting rod 4.
Preferably, the outer side wall of the sliding groove 6 is fixedly connected with the inner side wall of the fixing frame 5 at the upper end of the bottom plate 24, the fixing frame 5 located at the outer side of the bottom plate 24 is provided with a square adjusting hole 26, the second sliding block 12 located at the upper end of the hydraulic rod 11 is provided with a fixedly connected adjusting block 27, the adjusting block 27 is internally provided with a threaded hole 32, the square adjusting hole 26 is internally provided with a fixing shaft 28, the fixing shaft 28 at the outer side of the square adjusting hole 26 is provided with a fixedly connected turntable 23, the fixing shaft 28 at the inner side of the square adjusting hole 26 is provided with a clamping plate 29, and the fixing shaft 28 penetrates through the.
Further, the front end of the second rack 30 is flush with the inner side wall of the sliding chute 6.
Further, a T-shaped clamping block 31 fixedly connected with the clamping plate 29 is arranged in the middle of the outer side of the clamping plate 29, a clamping groove 34 matched with the T-shaped clamping block 31 is formed in the fixed shaft 28, and the clamping plate 29 is movably connected with the fixed shaft 28 in a clamping mode of the T-shaped clamping block 31 and the clamping groove 34.
Example 2
The same points as those in embodiment 1 are not repeated, and the difference from embodiment 1 is that:
preferably, the upper end of the pressing plate 21 is provided with a pedal plate 14, the length of the pedal plate 14 is greater than that of the pressing plate 21, the hydraulic adjusting rod 15 positioned at one end of the adjusting shaft 20 is arranged at the bottom of the pedal plate 14, and the upper end of the pedal plate 14 is provided with a fixing belt 22. Set up running-board and fixed band on the clamp plate, make fixing on the clamp plate that operating personnel's foot can be better to the foot is stepped on and is pressed convenient and fast more, and can effectually prevent because the elasticity of spring is not enough moreover, leads to the clamp plate to fail to kick-back to initial position, and the running-board is greater than the setting of clamp plate, makes the running-board when pushing down, can be better with hydraulic pressure adjust the pole push down to setting for the position, improves the efficiency that hydraulic pressure adjusted.
Example 3
The same points as those in embodiment 1 are not repeated, and the difference from embodiment 1 is that:
preferably, the bottom of the bottom plate 24 is provided with a supporting block 7 with a circular arc-shaped side surface, and the upper surface of the supporting block 7 is provided with anti-skid rubber pads 9 which are uniformly laid and fixedly connected. The bottom of the bottom plate is provided with the arc-shaped supporting block and the anti-skidding rubber pads, so that the ladder can adapt to different terrains and different angles, the ladder can be effectively prevented from slipping, and the stability of the ladder in use is improved.
Furthermore, a plurality of fixed rubber blocks 42 which are uniformly and symmetrically distributed are arranged on the anti-skid rubber pads 9 positioned at the two ends of the bottom of the supporting block 7.
Example 4
The same points as those in embodiment 1 are not repeated, and the difference from embodiment 1 is that:
furthermore, the inner side of the clamping plate 29 is provided with first racks 33 which are distributed uniformly, and the inner side wall of the sliding groove 6 is provided with a second rack 30 which is clamped with the first racks 33. The adjusting hole and the fixing shaft are arranged on the outer side of the sliding groove, the first rack and the second rack on the fixing shaft are meshed and fixed through rotation of the handle, the position of the second sliding block is further fixed, and the situation that the manual hydraulic adjuster explodes due to overlarge weight at the upper end of the fixing frame, and therefore irrecoverable damage is caused is effectively prevented.
Example 5
The utility model provides a fixing device for pedal type lift ladder, includes mount 41 and pedal pole 13, be equipped with a plurality of evenly distributed's pedal pole 13 between the mount 41, pedal pole 13 both ends are equipped with fixed connection's first connecting axle 37, be equipped with on the first connecting axle 37 and be crisscross distribution of cross and swing joint's first regulation pole 2 and second regulation pole 4, between the adjacent pedal pole 13 from top to bottom first regulation pole 2 and second are adjusted and are equipped with respectively through two second connecting axle 3 swing joint about first connecting axle 37 horizontal symmetry between the pole 4, both ends are equipped with roof 1 and bottom plate 24 respectively about mount 41, be equipped with a plurality of evenly distributed's link 36 between roof 1 and the bottom plate 24, all be equipped with fixed frame 5 between link 36, between link 36 and the roof 1 and between link 36 and the bottom plate 24, both ends about link 36, The bottom of the top plate 1 and the upper end of the bottom plate 24 are respectively provided with a telescopic frame 10 which is fixedly connected and matched with the fixed frame 5, the bottom of the top plate 1 is fixedly connected with the uppermost first connecting shaft 37 in the fixed frame 41, and the fixed frame 41 consists of the top plate 1, the bottom plate 24, a connecting frame 36, the fixed frame 5 and the telescopic frame 10;
the upper end of the bottom plate 24 is provided with a sliding chute 6, two ends in the sliding chute 6 are respectively provided with a first sliding block 8 and a second sliding block 12, the upper ends of the first sliding block 8 and the second sliding block 12 are respectively movably connected with the bottoms of the second adjusting rod 4 and the first adjusting rod 2, the first sliding block 8 is fixedly connected with the side wall of one end of the sliding chute 6, the side wall of the other end of the sliding chute 6 is provided with a fixedly connected hydraulic rod 11, and the front end of the hydraulic rod 11 is fixedly connected with the second sliding block 12;
the hydraulic adjusting device is characterized in that manual hydraulic adjusters 18 matched with the hydraulic rods 11 are arranged on the inner sides of the bottom plates 24, hydraulic adjusting rods 15 with the same size are arranged on the inner sides of the manual hydraulic adjusters 18, the hydraulic adjusting rods 15 are telescopic rods, a pressing plate 21 is arranged in the middle between the manual hydraulic adjusters 18, adjusting shafts 20 are arranged at two ends of the pressing plate 21, two ends of the pressing plate 21 are movably connected with the hydraulic adjusting rods 15 through the adjusting shafts 20, adjusting plates 19 fixedly connected are arranged between the bottom plates 24, springs 16 fixedly connected are arranged in the middle of the adjusting plates 19, and the upper ends of the springs 16 are fixedly connected with the bottoms of the pressing plates 19.
Preferably, the second connecting shaft 3 is arranged inside the fixed frame 5, and the second connecting shaft 3 is arranged in the middle of the first adjusting rod 2 and the second adjusting rod 4.
Preferably, the upper end of the pressing plate 21 is provided with a pedal plate 14, the length of the pedal plate 14 is greater than that of the pressing plate 21, the hydraulic adjusting rod 15 positioned at one end of the adjusting shaft 20 is arranged at the bottom of the pedal plate 14, and the upper end of the pedal plate 14 is provided with a fixing belt 22.
Preferably, the bottom of the bottom plate 24 is provided with a supporting block 7 with a circular arc-shaped side surface, and the upper surface of the supporting block 7 is provided with anti-skid rubber pads 9 which are uniformly laid and fixedly connected.
Furthermore, a plurality of fixed rubber blocks 42 which are uniformly and symmetrically distributed are arranged on the anti-skid rubber pads 9 positioned at the two ends of the bottom of the supporting block 7.
Preferably, the outer side wall of the sliding chute 6 is fixedly connected with the inner side wall of the fixed frame 5 at the upper end of the bottom plate 24, the fixed frame 5 at the outer side of the bottom plate 24 is provided with a square adjusting hole 26, the second sliding block 12 at the upper end of the hydraulic rod 11 is provided with a fixedly connected adjusting block 27, the adjusting block 27 is internally provided with a threaded hole 32, the square adjusting hole 26 is internally provided with a fixed shaft 28, the fixed shaft 28 at the outer side of the square adjusting hole 26 is provided with a fixedly connected turntable 23, the fixed shaft 28 at the inner side of the square adjusting hole 26 is provided with a clamping plate 29, the fixed shaft 28 passes through the threaded hole 32 and is movably connected with the clamping plate 29 in a threaded connection mode, the inner side of the clamping plate 29 is provided with a first rack 33 which is.
Further, the front end of the second rack 30 is flush with the inner side wall of the sliding chute 6.
Further, a T-shaped clamping block 31 fixedly connected with the clamping plate 29 is arranged in the middle of the outer side of the clamping plate 29, a clamping groove 34 matched with the T-shaped clamping block 31 is formed in the fixed shaft 28, and the clamping plate 29 is movably connected with the fixed shaft 28 in a clamping mode of the T-shaped clamping block 31 and the clamping groove 34.
The fixing device for the pedal type lifting ladder is used for transporting the ladder to a place to be used for use, placing feet on a pedal plate 14 when the height is not enough, fixing the feet with the pedal plate 14 through a fixing belt 22, enabling a hydraulic adjusting rod 15 to continuously reciprocate up and down through the up-and-down movement of the feet, starting a manual hydraulic adjusting rod 18 to enable a hydraulic rod 11 to extend, enabling the length of a fixing frame 41 to continuously rise through a connecting rod effect, stopping pressing when the height is set to be required, simultaneously rotating rotary tables 23 at two ends to enable a first rack 33 and a second rack 30 to be clamped and fixed with each other, and then using the fixing device, wherein when the height is not required, the manual hydraulic adjusting devices 18 at two ends are simultaneously decompressed.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. The utility model provides a fixing device for pedal type lift ladder, includes mount and pedal pole, be equipped with a plurality of evenly distributed's pedal pole, its characterized in that between the mount: the utility model discloses a flexible frame of fixed frame assorted, including pedal pole, first connecting axle and second adjusting rod that are crisscross distribution and swing joint are equipped with on the first connecting axle, between the adjacent pedal pole from top to bottom between first adjusting rod and the second adjusting rod respectively through two second connecting axle swing joint about first connecting axle horizontal symmetry, both ends are equipped with roof and bottom plate respectively about the mount, be equipped with a plurality of evenly distributed's link frame between roof and the bottom plate, all be equipped with fixed frame between the link frame, between link frame and the roof and between link frame and the bottom plate, both ends, the bottom of roof and the upper end of bottom plate all are equipped with fixed connection and with fixed frame assorted flexible frame about the link frame, the first connecting axle fixed connection of top in bottom and the mount of roof, the mount is by roof, The bottom plate, the connecting frame, the fixed frame and the telescopic frame;
the upper end of the bottom plate is provided with a sliding chute, a first sliding block and a second sliding block are respectively arranged at two ends in the sliding chute, the upper ends of the first sliding block and the second sliding block are respectively movably connected with the bottom of a second adjusting rod and the bottom of a first adjusting rod, the first sliding block is fixedly connected with the side wall of one end of the sliding chute, the side wall of the other end of the sliding chute is provided with a fixedly connected hydraulic rod, and the front end of the hydraulic rod is fixedly connected with the second sliding block;
the hydraulic adjusting device comprises a bottom plate, a hydraulic rod, a pressing plate, adjusting shafts, adjusting plates, springs and a hydraulic adjusting rod, wherein the inner side of the bottom plate is provided with a manual hydraulic adjuster matched with the hydraulic rod, the inner side of the manual hydraulic adjuster is provided with a hydraulic adjusting rod with the same size, the hydraulic adjusting rod is a telescopic rod, the middle part between the manual hydraulic adjusters is provided with the pressing plate, the two ends of the pressing plate are provided with the adjusting shafts, the two ends of the pressing plate are movably connected with the hydraulic adjusting rod through the adjusting shafts, the bottom plate is provided with the fixedly connected adjusting plate;
the utility model discloses a hydraulic pressure regulating mechanism, including the spout, the fixed frame inside wall fixed connection of the lateral wall of spout and bottom plate upper end is located the bottom plate outside and is equipped with square regulation hole on the fixed frame, is located the hydraulic stem upper end be equipped with fixed connection's regulating block on the second slider, be equipped with the screw hole in the regulating block, be equipped with the fixed axle in the square regulation hole, be equipped with fixed connection's carousel on the fixed axle in the square regulation hole outside, be equipped with the cardboard on the fixed axle of square regulation hole inboard, the fixed axle passes screw hole and cardboard swing joint through threaded connection's form, the cardboard inboard is equipped with the first rack all with the distribution, be equipped with the second.
2. A step-down ladder securement device as recited in claim 1, further comprising: the second connecting shaft is arranged in the fixed frame, and the second connecting shaft is arranged in the middle of the first adjusting rod and the second adjusting rod.
3. A step-down ladder securement device as recited in claim 1, further comprising: the front end of the second rack is flush with the inner side wall of the sliding groove.
4. A step-down ladder securement device as recited in claim 1, further comprising: the middle part of the outer side of the clamping plate is provided with a T-shaped clamping block which is fixedly connected, the fixed shaft is provided with a clamping groove matched with the T-shaped clamping block, and the clamping plate and the fixed shaft are movably connected in a clamping mode through the T-shaped clamping block and the clamping groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811069357.XA CN109083588B (en) | 2018-09-13 | 2018-09-13 | Fixing device for pedal type lifting ladder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811069357.XA CN109083588B (en) | 2018-09-13 | 2018-09-13 | Fixing device for pedal type lifting ladder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109083588A CN109083588A (en) | 2018-12-25 |
| CN109083588B true CN109083588B (en) | 2020-09-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811069357.XA Active CN109083588B (en) | 2018-09-13 | 2018-09-13 | Fixing device for pedal type lifting ladder |
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| Country | Link |
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| CN (1) | CN109083588B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205125453U (en) * | 2015-10-23 | 2016-04-06 | 天津祥泰家具有限公司 | Formula table component parts of an entirety step elevating gear is stepped on to foot |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3615847B2 (en) * | 1995-10-16 | 2005-02-02 | 株式会社シブタニ | Door bottom sealing device |
| CN102140872A (en) * | 2011-03-05 | 2011-08-03 | 宁波超腾照明电器有限公司 | Safety telescopic ladder capable of being automatically gathered in slow descending mode under action of air resistance |
| CN102418472B (en) * | 2011-10-12 | 2014-08-27 | 国家电网公司 | Single-ladder hold-free fixing device |
| JP2013192402A (en) * | 2012-03-14 | 2013-09-26 | Chugoku Electric Power Co Inc:The | Electric pole ascending/descending device |
| CN104712246B (en) * | 2013-12-17 | 2016-06-29 | 富泰华工业（深圳）有限公司 | Extension ladder |
| CN105064903A (en) * | 2015-07-22 | 2015-11-18 | 江阴市申港建筑安装工程有限公司 | Adjustable step ladder |
| CN205206720U (en) * | 2015-10-14 | 2016-05-04 | 嘉兴职业技术学院 | Multi -functional ladder suitable for construction worker is commonly used |
| CN205502995U (en) * | 2016-01-31 | 2016-08-24 | 杨松梅 | Ladder is pruned in gardens with extending structure |
| CN205400576U (en) * | 2016-03-20 | 2016-07-27 | 毛晟 | Jar -proof ladder of antiskid |
-
2018
- 2018-09-13 CN CN201811069357.XA patent/CN109083588B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205125453U (en) * | 2015-10-23 | 2016-04-06 | 天津祥泰家具有限公司 | Formula table component parts of an entirety step elevating gear is stepped on to foot |
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| CN109083588A (en) | 2018-12-25 |
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