CN223881091U - Movable ladder of ascending a height - Google Patents
Movable ladder of ascending a heightInfo
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- CN223881091U CN223881091U CN202423149147.5U CN202423149147U CN223881091U CN 223881091 U CN223881091 U CN 223881091U CN 202423149147 U CN202423149147 U CN 202423149147U CN 223881091 U CN223881091 U CN 223881091U
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Abstract
本实用新型的可移动式登高梯，属于登高梯领域，包括两个防护栏，防护栏包括水平杆和竖直杆；两个防护栏之间设有攀爬梯结构，攀爬梯结构包括：第一横轴、第二横轴、两组连接杆，每组连接杆包括长杆和短杆；第一横轴和第二横轴上共同固定有第一台阶板；两组连接杆之间还设有多个台阶组件，从下往上分别记为第二台阶组件、第三台阶组件、……、第N台阶组件；任意一个台阶组件包括：第三横轴、第四横轴；第三横轴和第四横轴上共同固定有第二台阶板；设第一横轴所在点为A点，第二横轴所在点为B点，第三横轴所在点为D点，第四横轴11所在点为C点，则四边形ABCD为平行四边形；还包括升降组件。本登高梯能改变高度，适应不同高度的取货点。
This utility model relates to a movable ladder, belonging to the field of ladders. It includes two guardrails, each comprising a horizontal bar and a vertical bar. A climbing ladder structure is provided between the two guardrails. The climbing ladder structure includes a first horizontal axis, a second horizontal axis, and two sets of connecting rods, each set including a long rod and a short rod. A first step plate is fixed to both the first and second horizontal axes. Multiple step components are also provided between the two sets of connecting rods, labeled from bottom to top as the second step component, the third step component, ..., the Nth step component. Each step component includes a third horizontal axis and a fourth horizontal axis. A second step plate is fixed to both the third and fourth horizontal axes. If the point on the first horizontal axis is A, the point on the second horizontal axis is B, the point on the third horizontal axis is D, and the point on the fourth horizontal axis is C, then quadrilateral ABCD is a parallelogram. A lifting component is also included. This ladder can change its height to adapt to different retrieval points.
Description
Technical Field
The utility model belongs to the technical field of ascending ladders, and particularly relates to a movable ascending ladder.
Background
The goods in the cargo hold are often placed at the high level of the containers, and the person often has insufficient height to take them. Therefore, it is necessary to use a climbing ladder, which is a device capable of assisting a person in climbing a certain height.
The existing climbing ladder generally does not have a height adjusting function, the existing climbing ladder comprises a protective guard, a plurality of climbing plates, a working platform, moving wheels and a supporting frame, each climbing plate is welded and fixed on the protective guard in a step shape, the working platform is located above the climbing plate and is welded and fixed with the protective guard, and operators can climb the working platform through the climbing plates in sequence. The bottom of rail guard is installed and is removed wheel and supporting legs, and this ladder of ascending a height can not remove when supporting legs and removal wheel are placed subaerial jointly, only lifts the supporting legs off ground, and the ladder of ascending a height can rely on the removal wheel to remove and change the position.
When the existing ascending ladder is used, as all ascending plates and working platforms are fixed on the protective guard, the height of the working platform cannot be adjusted, when a user ascends the working platform of the ascending ladder to take goods, the goods are likely to be located at lower positions of a human body, if the goods are only located at waist parts of the user or even below, the user can take the goods only by bending down, and in order to enable the goods to be located at the proper height of the user as much as possible, the ascending ladder with the height adjustable by the working platform is necessary to be designed.
Disclosure of utility model
The movable ascending ladder can be heightened, so that goods are located at a height suitable for people to take.
The utility model discloses a movable boarding ladder, which comprises two guard rails, wherein the two guard rails are arranged in parallel along the X direction, each guard rail comprises a horizontal rod and a vertical rod which are mutually welded and fixed, a climbing ladder structure is arranged between the two guard rails, and the climbing ladder structure comprises:
The first transverse shaft and the second transverse shaft are arranged in parallel along the Y direction, and the Y direction is perpendicular to the X direction in a top view;
The device comprises two groups of connecting rods, wherein each group of connecting rods comprises a long rod and a short rod which are long and short, the two groups of connecting rods are arranged in parallel along the X direction, the lower end of the long rod is sleeved on a first transverse shaft, the long rod can rotate around the axis of the first transverse shaft relative to the first transverse shaft, the axis of the first transverse shaft is arranged along the radial direction of the long rod, the lower end of the short rod is sleeved on a second transverse shaft, the short rod can rotate around the axis of the second transverse shaft relative to the second transverse shaft, the axis of the second transverse shaft is arranged along the radial direction of the short rod, a first step plate is jointly fixed on the first transverse shaft and the second transverse shaft, a first step assembly is formed by the first transverse shaft, the second transverse shaft and the first step plate, a plurality of step assemblies are further arranged between the two groups of connecting rods and are respectively named as the second step assembly, the third step assembly, the N step assembly, the first step assembly, the second step assembly and the third step assembly are arranged in a stepped manner from bottom to top.
The second step assembly, the third step assembly, the N-th step assembly are identical in structure, and any one of the second step assembly, the third step assembly, the N-th step assembly includes:
The axis of the third transverse shaft penetrates through the two long rods along the X direction, and the long rods can rotate relative to the transverse shaft around the axis of the third transverse shaft;
The axis of the fourth transverse shaft penetrates through the two short rods along the X direction, and the short rods can rotate around the axis of the fourth transverse shaft relative to the fourth transverse shaft; a second step plate is fixed on the third transverse shaft and the fourth transverse shaft together;
Observing in the X direction, setting the point of a first transverse axis as an A point, setting the point of a second transverse axis as a B point, setting the point of a third transverse axis of any one of the other step components except the first step component as a D point, setting the point of a fourth transverse axis as a C point, and setting the quadrilateral ABCD as a parallelogram;
The device further includes a lift assembly for rotating the wand about an axis of the first transverse shaft relative to the first transverse shaft.
This ascending ladder can rotate for first cross axle through the stock around the axis of first cross axle to the linkage that each step subassembly takes place to the height of each step subassembly changes, and the height of work step also can change because of the rotation of aforementioned stock in the lifting unit, lets the user who stands on the work step can change its people with get the difference in height of goods point according to aforementioned height change, lets get the goods point and put into person's suitable height, is convenient for the people get goods.
Further, the lifting assembly includes:
the two vertical rods are respectively and correspondingly fixed on the two horizontal rods, and the axes of the vertical rods are vertically arranged;
The working frame is movably clamped on the corresponding vertical rod and the corresponding vertical rod by virtue of the strip-shaped holes, and can vertically move relative to the vertical rod and the vertical rod along the strip-shaped holes;
The working step, the first rod and the second rod form an N+1th step component together, and the N+1th step component and the N step component are arranged in a step shape;
The two ends of the working step along the X direction are respectively provided with a chute, and the length direction of the chute is along the Y direction;
The upper ends of the two long rods are fixedly provided with sliding rods, the axes of the sliding rods are along the X direction, one ends of the sliding rods, which are far away from the long rods, are positioned in corresponding sliding grooves, the sliding rods can move along the Y direction relative to the sliding grooves, and the sliding rods can rotate relative to the sliding grooves around the axes of the sliding rods;
The electric push rod is characterized in that the non-telescopic end of the electric push rod is fixed on the horizontal rod, the telescopic end of the electric push rod is vertically arranged, the connecting rod is vertically arranged, and the upper end of the connecting rod is fixed with the working frame.
Utilize spout and working step as whole lift, through the linkage of spout and slide bar, let the stock rotate for first cross axle around the axis of first cross axle to realize whole climbing ladder structure linkage, reach the purpose of adjusting working step and other step subassembly height.
Further, any one of the second step assembly, the third step assembly, the fourth step assembly and the nth step assembly is used for observation, a third transverse shaft and a fourth rotating shaft of the step assembly respectively penetrate through a long rod and a short rod, holes for the third transverse shaft and the fourth rotating shaft to penetrate through are formed in the long rod and the short rod, clamping blocks are fixed at two ends of the third transverse shaft and the fourth rotating shaft of the step assembly, two long rods are located between two clamping blocks at two ends of the third transverse shaft, two short rods are located between two clamping blocks at two ends of the fourth transverse shaft, and the sizes of the clamping blocks are larger than the diameters of the holes for the third transverse shaft and the fourth rotating shaft to penetrate through in the long rod and the short rod.
The fixture block has increased the third cross axle, the fourth cross axle respectively with the connection stability of stock and shortbar, if there is not the fixture block, third cross axle or fourth cross axle drop from stock or shortbar easily, and the connectivity of structure will weaken.
Further, universal wheels and supporting legs are arranged at the lower ends of the horizontal rods of the guard rails.
The universal wheel can assist whole ladder of ascending a height to remove, when whole device used, can place simultaneously at subaerial mode that increases frictional force through universal wheel and supporting leg again, prevent that whole device from removing at will.
Further, the guard rail further comprises an equipment rod, two ends of the equipment rod are respectively fixed with the vertical rod and the horizontal rod, and a lifting rod is fixed on the equipment rod.
The equipment pole can be regarded as the application point that lets the people lift the supporting leg off ground, only lets the universal wheel and ground contact, can only rely on the roll of universal wheel, makes whole device shift position.
The beneficial effects are that:
Through the axis rotation that long pole and quarter butt can be around first cross axle and second cross axle respectively to and the third cross axle and the fourth cross axle of each step subassembly homoenergetic is rotated for long pole and quarter butt respectively, makes the height of whole climbing ladder structure obtain the adjustment, moreover, the height adjustment of climbing ladder structure still relies on the lift of working step, and the position that the working step was trampled as the user last, and the height of working step has decided the user with get the height of goods point, through the height of changing working step, can let the user get the position point more nimble when goods. The climbing ladder structure is used as a path through which the climbing ladder can step on the working steps, the height of the climbing ladder structure is changed, and the climbing ladder structure can also adapt to the height change of the working steps, so that a user can step on the working steps from the climbing ladder structure.
Drawings
FIG. 1 is a schematic view of the overall structure of the front face of the climbing ladder;
fig. 2 is a schematic view of the overall structure of the back of the ladder.
1. Horizontal rods, 2, vertical rods, 3, universal wheels, 4, supporting legs, 5, long rods, 6, short rods, 7, a first transverse shaft, 8, a second transverse shaft, 9, a first step plate, 10, a third transverse shaft, 11, a fourth transverse shaft, 12, a second step plate, 13, a vertical rod, 14, a strip-shaped hole, 15, a first rod, 16, a second rod, 17, a working step, 18, a sliding chute, 19, a sliding rod, 20, an electric push rod, 21, a connecting rod, 22, an equipment rod, 23 and a lifting rod.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
See fig. 1 and 2, the movable ladder comprises two guard rails, and the two guard rails are arranged in parallel along the X direction.
The guard rail is seen from the protective rail, and comprises a horizontal rod 1 and a vertical rod 2 which are welded and fixed with each other, wherein the axis of the vertical rod 2 is arranged vertically, and the axis of the horizontal rod 1 is arranged horizontally. The bottom of the horizontal rod 1 of each protective fence is provided with a universal wheel 3, the universal wheel 3 can rotate in a universal way, the universal wheel 3 belongs to the prior art and is not repeated, the bottom of the horizontal rod 1 of each protective fence is fixedly provided with a supporting leg 4 in a welded mode, the universal wheel 3 and the supporting leg 4 are respectively provided with two ends of the horizontal rod 1, when the ascending ladder is normally used, the supporting leg 4 and the universal wheel 3 are simultaneously placed on the ground, the axis of the horizontal rod 1 is along the Y direction, and the X direction is perpendicular to the Y direction when seen from the top view.
Be equipped with climbing ladder structure between two rail guards, climbing ladder structure includes:
The two groups of connecting rods are arranged in parallel along the X direction. In view of the set of connecting rods, the set of connecting rods comprises a long rod 5 and a short rod 6.
A first transverse shaft 7 and a second transverse shaft 8 are arranged between the horizontal rods 1 of the two protective fences, the first transverse shaft 7 and the second transverse shaft 8 are arranged in parallel along the Y direction, and the axes of the first transverse shaft 7 and the second transverse shaft 8 are all along the X direction. Both ends of the first transverse shaft 7 and the second transverse shaft 8 are welded and fixed on the horizontal rods 1 of the two protective fences respectively.
The two groups of connecting rods are respectively connected to the two ends of the first transverse shaft 7 and the second transverse shaft 8. Specifically, as seen from a group of connecting rods, the lower end of the long rod 5 in the group of connecting rods is sleeved at the corresponding end of the first transverse shaft 7, a hole for the first transverse shaft 7 to pass through is formed in the long rod 5, the long rod 5 can rotate relative to the first transverse shaft 7 around the axis of the first transverse shaft 7, the axis of the first transverse shaft 7 is arranged along the radial direction of the long rod 5, similarly, the lower end of the short rod 6 is sleeved at the corresponding end of the second transverse shaft 8, a hole for the second transverse shaft 8 to pass through is formed in the short rod 6, the short rod 6 can rotate relative to the second transverse shaft 8 around the axis of the second transverse shaft 8, the axis of the second transverse shaft 8 is arranged along the radial direction of the short rod 6, and the axis of the long rod 5 is parallel to the axis of the short rod 6 as seen from the X direction.
The first step plate 9 is welded and fixed on the peripheral wall of the first transverse shaft 7 and the second transverse shaft 8, the first step plate 9 is horizontally arranged, and the first transverse shaft 7, the second transverse shaft 8 and the first step plate 9 form a first step assembly together. A plurality of step components are further arranged between the two groups of connecting rods and are respectively marked as a second step component, a third step component and an N step component from bottom to top. Looking at the X direction, the first step assembly, the second step assembly, the third step assembly, the fifth step assembly are arranged in a stepped manner.
The second step subassembly, third step subassembly, & gt, the structure of nth step subassembly is the same, also the same with every connected mode of group's connecting rod to one of them step subassembly illustrates, and step subassembly all includes:
The axis of the third transverse shaft 10 passes through the two long rods 5 along the X direction, the two long rods 5 can rotate around the axis of the third transverse shaft 10 relative to the third transverse shaft 10, two ends of the third transverse shaft 10 respectively pass through the two long rods 5, holes for the third transverse shaft 10 to pass through are formed in the long rods 5, clamping blocks are welded at the end parts of two ends of the third transverse shaft 10, the two long rods 5 are located between the two clamping blocks at the two ends of the third transverse shaft 10, the size of the clamping blocks at the two ends of the third transverse shaft 10 is larger than the diameter of the holes in the long rods 5, and the two clamping blocks at the two ends of the third transverse shaft 10 can prevent the third transverse shaft 10 from falling off from the two long rods 5.
The fourth cross shaft 11, the axis is along X direction, wear to establish on two quarter butt 6, two quarter butt 6 can rotate for fourth cross shaft 11 around the axis of fourth cross shaft 11, similarly, two quarter butt 6 are passed respectively at the both ends of fourth cross shaft 11, the hole that supplies fourth pivot 11 to pass is offered on the quarter butt 6, the fixture block has also been welded at the both ends of fourth cross shaft 11, two quarter butt 6 are located between the two fixture blocks at the both ends of fourth cross shaft 11, the fixture block size at the both ends of fourth cross shaft 11 is greater than the diameter in hole on quarter butt 6, two fixture blocks at the both ends of fourth cross shaft 11 can prevent that fourth cross shaft 11 from coming off from two quarter butt 6.
Regarding the X direction, let the point of the first transverse axis 7 be the point a, the point of the second transverse axis 8 be the point B, the point of the third transverse axis 10 of any one of the other step components except the first step component be the point D, and the point of the fourth transverse axis 11 be the point C, the quadrilateral ABCD is a parallelogram. A second step plate 12 is welded and fixed on the third transverse shaft 10 and the fourth transverse shaft 11 together, and the second step plate 12 is horizontally arranged.
The first step assembly, the second step assembly, the third step assembly and the N step assembly are arranged in a step shape, and the meaning of the first step plate 9, the second step plate 12 of the second step assembly and the second step plate 12 of the third step assembly are arranged in a step shape when seen in the X direction.
And a lifting assembly for rotating the long bar 5 about the axis of the first transverse shaft 7 relative to the first transverse shaft 7. The lifting assembly includes:
The two vertical rods 13 are respectively welded and fixed on the horizontal rods 1 of the two protective fences, and the axes of the vertical rods 13 are arranged vertically. The two upright posts 13 are arranged in parallel along the X direction, and when seen from a top view, the points of the vertical rods 2 of the two guard rails are respectively M points and N points, and the points of the two upright posts 13 are respectively O points and P points, the quadrangle MNOP is rectangular.
The two vertical rods 13 and the two vertical rods 2 are respectively provided with a strip-shaped hole 14, the length direction of each strip-shaped hole 14 is vertically arranged, and any one strip-shaped hole 14 penetrates through the corresponding vertical rod 13 or the corresponding vertical rod 2 along the X direction.
The working frame is a rectangular frame. Two opposite side frames of the working frame along the Y direction are respectively provided with a first rod 15 and a second rod 16, wherein the axis of the first rod 15 is along the X direction, the first rod 15 simultaneously passes through the strip-shaped holes 14 of the two vertical rods 2, and likewise, the axis of the second rod 16 is along the X direction, and the second rod 16 simultaneously passes through the strip-shaped holes 14 of the two vertical rods 13. The work frame can slide vertically along the four bar holes 14, and the plane of the work frame is a horizontal plane. The first rod 15 and the second rod 16 are welded and fixed with a working step 17, the working step 17 is horizontally arranged, and the working step 17 is a rectangular plate. The working step, the first rod and the second rod form an N+1 step component, the N+1 step component is positioned above the N step component, the N+1 step component and the N step component are distributed in a step shape, and the upper ends of the two long rods 5 are respectively positioned at two sides of the working step 17X direction.
The two ends of the working step 17X direction are respectively provided with a chute 18, the length direction of the chute 18 is along the Y direction, and the chute 18 is a rectangular groove. The upper end side walls of the two long rods 5 are fixedly welded with slide bars 19, the slide bars 19 are round bars, and the axes of the slide bars 19 are arranged along the X direction, namely along the radial direction of the long rods 5. The end of the slide bar 19 remote from the long bar 5 is located in the corresponding slide groove 18, the slide bar 19 being able to move in the Y-direction relative to the slide groove 18, while the long bar 5 and the slide bar 19 as a whole are able to rotate about the axis of the first transverse shaft 7 relative to the first transverse shaft 7, during which rotation the slide bar 19 is also able to rotate about its own axis adaptively relative to the slide groove 18.
The electric push rod 20, non-flexible end welded fastening is on the horizontal pole 1 that corresponds, and the flexible end axis vertical setting of electric push rod 20, welded fastening has connecting rod 21 on the flexible end of electric push rod 20, and the axis vertical setting of connecting rod 21, the upper end and the work frame welded fastening of connecting rod 21, and YMD-601P can be selected for use to the model of electric push rod 20, and the maximum thrust of single electric push rod 20 is 2000N, can satisfy the purpose that supports 2-3 people's weight. In other embodiments, two electric push rods 20 are provided, and the two electric push rods 20 are respectively connected to two sides of the working frame in the Y direction through connecting rods 21, so that the working frame is more uniformly stressed.
The guard rail further comprises an equipment rod 22, the shape of the equipment rod 22 is unlimited, one end of the equipment rod 22 is welded and fixed with the vertical rod 2, and the other end of the equipment rod is welded and fixed with the horizontal rod 1. The lifting rods 23 are welded on the two equipment rods 22, the axis of each lifting rod 23 is along the Y direction, an operator can lift the two supporting legs 4 off the ground through the lifting rods 23, and only the two universal wheels 3 are contacted with the ground, so that the whole climbing ladder can conveniently transfer positions only by means of the universal wheels 3.
The use mode of the ascending ladder comprises the following steps:
The user lifts the two supporting legs 4 of the ascending ladder away from the ground through the lifting rod, and then pushes the ascending ladder to move to the position where goods are required to be taken by means of the mode that the two universal wheels contact the ground and roll on the ground.
After reaching the goods taking position, the user releases the lifting rod, and lets the supporting leg 4 and the universal wheel contact the ground simultaneously, then, the user observes the position height of the working step 17 and the goods taking point, if the height of the working step 17 is unsuitable, then needs to appropriately adjust the height of the working step 17, the height adjustment or the height adjustment of the working step 17 is determined by the experience of the user, ensures that the user reduces the bending degree when taking goods at the goods taking point, and can more easily take goods.
The raising and lowering actions of the working step 17 are reversed, so that only raising of the working step 17 is illustrated.
The user is electrified to enable the electric push rod to ascend, the electric push rod adopts a direct current power supply, the ascending ladder is provided with a power supply for supplying power to the ascending ladder, and the power supply can be charged. The electric push rod moves the connecting rod 21, the working frame and the working step 17 as a whole upwards along the bar-shaped hole. Because the slide bar 19 is located in the slide groove 18, the above-mentioned upward movement of the whole will cause the slide bar 19 to move in the Y direction relative to the slide groove 18, and at the same time the slide bar 19 and the long bar 5 rotate as a whole about the axis of the first transverse shaft 7, and as seen in the X direction, the long bar 5 rotates will cause the short bar 6 to also rotate about the axis of the second transverse shaft 8, since the points a and B where the first transverse shaft 7 and the second transverse shaft 8 are located, and the points C and D where the third transverse shaft and the fourth transverse shaft are located in the respective step assemblies enclose a parallelogram. So that all the step assemblies are interlocked in the manner described above to ensure that a user can step on the working step 17 from each step assembly. Up to this point, the height adjustment of the working step 17 is satisfied.
According to the scheme, the height of the working step 17 is changed, so that the height of the goods taking point and the height adaptability of the working step 17 are better, excessive bending or excessive foot cushion is avoided as much as possible when a user takes goods, and the goods taking convenience of the user is improved.
With the above-described preferred embodiments according to the present utility model as an illustration, the above-described descriptions can be used by persons skilled in the relevant art to make various changes and modifications without departing from the scope of the technical idea of the present utility model. The technical scope of the present utility model is not limited to the description, but must be determined according to the scope of claims.
Claims (5)
1. The movable climbing ladder is characterized by comprising two protective fences, wherein the two protective fences are arranged in parallel along the X direction, each protective fence comprises a horizontal rod (1) and a vertical rod (2) which are welded and fixed with each other, a climbing ladder structure is arranged between the two protective fences, and comprises:
The first transverse shaft (7) and the second transverse shaft (8) are arranged in parallel along the Y direction, and the Y direction is perpendicular to the X direction in a plan view;
The two groups of connecting rods comprise a long rod (5) and a short rod (6), wherein the long rod (5) and the short rod (6) are arranged in parallel along the X direction, the lower end of the long rod (5) is sleeved on the first transverse shaft (7), the long rod (5) can rotate around the axis of the first transverse shaft (7) relative to the first transverse shaft (7), the axis of the first transverse shaft (7) is arranged along the radial direction of the long rod (5), the lower end of the short rod (6) is sleeved on the second transverse shaft (8), the short rod (6) can rotate around the axis of the second transverse shaft (8) relative to the second transverse shaft (8), the axis of the second transverse shaft (8) is arranged along the radial direction of the short rod (6), the first transverse shaft (7) and the second transverse shaft (8) are fixedly provided with a first step assembly together, the first transverse shaft (7) and the second transverse shaft (8) and the first step assembly are formed, a plurality of step assemblies are arranged between the two groups of connecting rods, and are respectively arranged from bottom to top to bottom, and are respectively in a second step assembly, a third step assembly, a first step assembly, a second step assembly is formed, a second step assembly and a third order.
The second step assembly, the third step assembly, the N-th step assembly are identical in structure, and any one of the second step assembly, the third step assembly, the N-th step assembly includes:
The axis of the third transverse shaft (10) is along the X direction, two ends of the axis of the third transverse shaft are respectively penetrated on the two long rods (5), and the long rods (5) can rotate relative to the transverse shaft around the axis of the third transverse shaft (10);
The axis of the fourth transverse shaft (11) is in the X direction, two ends of the axis of the fourth transverse shaft are respectively penetrated through the two short rods (6), and the short rods (6) can rotate around the axis of the fourth transverse shaft (11) relative to the fourth transverse shaft (11), and a second step plate (12) is jointly fixed on the third transverse shaft (10) and the fourth transverse shaft (11);
The point of the first transverse axis (7) is set as the point A, the point of the second transverse axis (8) is set as the point B, the point of the third transverse axis (10) of any one of the other step components except the first step component is set as the point D, the point of the fourth transverse axis (11) is set as the point C, and the quadrilateral ABCD is a parallelogram;
The device also comprises a lifting assembly for rotating the long rod (5) around the axis of the first transverse shaft (7) relative to the first transverse shaft (7).
2. The mobile access ladder of claim 1, wherein the lifting assembly comprises:
The two vertical rods (13) are respectively and correspondingly fixed on the two horizontal rods (1), and the axes of the vertical rods (13) are vertically arranged;
The working frame is movably clamped on the corresponding upright rod (13) and the corresponding vertical rod (2) by virtue of the strip-shaped hole (14), and can vertically move relative to the upright rod (13) and the vertical rod (2) along the strip-shaped hole (14);
The working step (17) is provided with two frames of the working frame along the Y direction, namely a first rod (15) and a second rod (16), wherein the working step (17) is jointly fixed on the first rod (15) and the second rod (16), and the working step (17), the first rod (15) and the second rod (16) jointly form an (N+1) th step component which is arranged in a step shape;
both ends of the working step (17) along the X direction are respectively provided with a chute (18), and the length direction of the chute (18) is along the Y direction;
The upper ends of the two long rods (5) are respectively fixed with a slide rod (19), the axis of each slide rod (19) is along the X direction, one end of each slide rod (19) far away from the long rod (5) is positioned in a corresponding slide groove (18), each slide rod (19) can move along the Y direction relative to the slide groove (18), and each slide rod (19) can rotate relative to the slide groove (18) around the axis of each slide rod;
The electric push rod (20) is characterized in that the non-telescopic end of the electric push rod (20) is fixed on the horizontal rod (1), the telescopic end of the electric push rod (20) is vertically arranged, the connecting rod (21) is vertically arranged, and the upper end of the connecting rod (21) is fixed with the working frame.
3. The movable climbing ladder according to claim 2, wherein, when being observed by any one of the second step assembly, the third step assembly and the nth step assembly, the third transverse shaft (10) and the fourth transverse shaft (11) of the step assembly respectively penetrate through the long rod (5) and the short rod (6), holes for the third transverse shaft (10) and the fourth transverse shaft (11) to penetrate through are formed in the long rod (5) and the short rod (6), clamping blocks are respectively fixed at two ends of the third transverse shaft (10) and the fourth transverse shaft (11) of the step assembly, the two long rods (5) are positioned between the two clamping blocks at two ends of the third transverse shaft (10), the two short rods (6) are positioned between the two clamping blocks at two ends of the fourth transverse shaft (11), and the sizes of the clamping blocks are respectively larger than the diameters of the holes for the third transverse shaft (10) and the fourth transverse shaft (11) to penetrate through on the long rod (5) and the short rod (6).
4. The movable climbing ladder according to claim 2, characterized in that the lower end of the horizontal bar (1) of the guard rail is provided with universal wheels (3) and supporting legs (4).
5. The movable ladder of claim 4, wherein the guard rail further comprises a device rod (22), two ends of the device rod (22) are respectively fixed with the vertical rod (2) and the horizontal rod (1), and a lifting rod (23) is fixed on the device rod (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202423149147.5U CN223881091U (en) | 2024-12-20 | 2024-12-20 | Movable ladder of ascending a height |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202423149147.5U CN223881091U (en) | 2024-12-20 | 2024-12-20 | Movable ladder of ascending a height |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223881091U true CN223881091U (en) | 2026-02-06 |
Family
ID=98637606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202423149147.5U Active CN223881091U (en) | 2024-12-20 | 2024-12-20 | Movable ladder of ascending a height |
Country Status (1)
| Country | Link |
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| CN (1) | CN223881091U (en) |
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2024
- 2024-12-20 CN CN202423149147.5U patent/CN223881091U/en active Active
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