CN216517758U

CN216517758U - Intelligent anti-sideslip telescopic fence ladder

Info

Publication number: CN216517758U
Application number: CN202122975584.2U
Authority: CN
Inventors: 练展鹏
Original assignee: Yangjiang Tengda Safety Technology Co ltd
Current assignee: Yangjiang Tengda Safety Technology Co ltd
Priority date: 2021-11-27
Filing date: 2021-11-27
Publication date: 2022-05-13
Anticipated expiration: 2031-11-27

Abstract

The utility model discloses an intelligent anti-sideslip telescopic fence ladder which comprises a first ladder frame and a second ladder frame, wherein the upper part of the first ladder frame is hinged with the top of the second ladder frame through a connecting seat, a working platform is arranged between the first ladder frame and the second ladder frame, a fence mechanism is arranged above the working platform and can rotate relative to the first ladder frame and the second ladder frame, telescopic foot mechanisms are movably inserted into the lower parts of the first ladder frame and the second ladder frame, the connecting parts of the first ladder frame and the second ladder frame are respectively and rotatably connected with lateral anti-skidding devices, and the lateral anti-skidding devices are arranged on the left side and the right side of the first ladder frame and the second ladder frame and are symmetrically arranged. The utility model is convenient for storage and transportation, prevents the whole ladder from side turning or sideslip and other phenomena in the use process, detects the bearing weight of the whole ladder in real time, avoids the occurrence of accidents caused by bearing overweight, and ensures the use safety.

Description

Intelligent anti-sideslip telescopic fence ladder

Technical Field

The utility model relates to the field of ladders, in particular to an intelligent sideslip-preventing telescopic fence ladder.

Background

The rail ladder is generally used for high altitude construction, and the platform of rail ladder top can the workman stand, but current rail ladder structure is complicated, and it is comparatively loaded down with trivial details when expanding or packing up, the use of being not convenient for, and its whole weight is heavier, the transport of not being convenient for, influences daily use.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of the prior art and provides an intelligent sideslip-preventing telescopic fence ladder to solve the problems in the background technology.

In order to solve the technical problems, the technical scheme adopted by the utility model is as follows: an intelligent side-slipping prevention telescopic fence ladder is characterized by comprising a first ladder frame and a second ladder frame, wherein the first ladder frame and the second ladder frame are arranged in a herringbone mode, a plurality of steps are arranged between the first ladder frame and the second ladder frame, the upper portion of the first ladder frame is hinged with the top of the second ladder frame through a connecting seat, a working platform is arranged between the first ladder frame and the second ladder frame, a fence mechanism is arranged above the working platform and can rotate relative to the first ladder frame and the second ladder frame, and telescopic foot mechanisms are movably inserted into the lower portions of the first ladder frame and the second ladder frame; the fence mechanism comprises an upper railing and a lower railing, the upper railing is rotatably connected with the top end of the first ladder frame, two ends of the lower railing are respectively pivoted with the connecting seats and are positioned below the upper railing, and a connecting belt is connected between the upper railing and the lower railing;

the connecting parts of the first ladder frame and the second ladder frame are respectively and rotatably connected with lateral anti-skid devices, and the lateral anti-skid devices are arranged on the left side and the right side of the first ladder frame and the second ladder frame and are symmetrically arranged; the side anti-skid device comprises a connecting seat, a supporting rod, a telescopic oil cylinder and a friction base, wherein the connecting seat is hinged with the joint of the first ladder frame and the second ladder frame, one end of the supporting rod is hinged with the connecting seat, the other end of the supporting rod is connected with a piston rod of the telescopic oil cylinder, a cylinder body of the telescopic oil cylinder is hinged in the friction base, and a friction bump is arranged on the bottom surface of the friction base;

the bottom both sides face of first ladder frame and second ladder frame is provided with gravity sensor and alarm unit respectively, be provided with processing unit on the first ladder frame, gravity sensor with alarm unit all processing unit signal connection.

As a further elaboration of the above technical solution:

in the above technical scheme, the fence mechanism further comprises a grab rail and a cross handle door, a sleeve is arranged in the middle of the first ladder frame, one end of the grab rail is pivoted with the upper railing, the other end of the grab rail is inserted into the sleeve and can slide up and down in the sleeve, and the cross handle door is arranged between the two grab rails.

In the technical scheme, the two grab rails are respectively provided with the rotary damper and the snap ring, one end of the transverse handle door is pivoted with the rotary damper, and the other end of the transverse handle door is clamped in the snap ring.

In the above technical scheme, the work platform includes backup pad and stopper, the backup pad with first ladder frame pin joint, the one end of stopper with the pin joint of marking time of second ladder frame the superiors, the other end with the lateral wall swing joint of backup pad.

In the technical scheme, flexible foot mechanism is including flexible foot, installation shell and locking Assembly, flexible foot can stretch out and draw back from top to bottom first ladder frame and second ladder frame, the installation shell is established respectively the cover and is established correspondingly flexible foot with between the first ladder frame and flexible foot with between the second ladder frame, be provided with a plurality of locating hole on the flexible foot, locking Assembly cover is established on corresponding flexible foot and can be passed the locating hole will flexible foot with first ladder frame and second ladder frame are fixed mutually.

In the above technical scheme, locking Assembly includes locking seat and torsional spring, the locking seat middle part is provided with the axle of being connected with the installation shell, the torsional spring cover is established epaxial, the locking seat is in the both sides of axle are provided with handle and locking post respectively, the locking post is inserted and is established at one of them fixed flexible foot of locating hole.

In the above technical scheme, first ladder frame and second ladder frame all include two ladder poles, it installs two to mark time between the ladder pole, the height of first ladder frame is greater than the height of second ladder frame.

In the technical scheme, a bottom antiskid device is movably arranged at the bottom end of the telescopic foot; the bottom antiskid device comprises a slide rail and a fixing rod, a connecting hole is formed in the telescopic foot, a plurality of inserting holes are formed in the side face of the slide rail, the telescopic foot is arranged in the slide rail, the connecting hole corresponds to the corresponding inserting hole, the fixing rod penetrates through the inserting holes and the connecting hole in sequence, so that the telescopic foot is fixedly connected with the slide rail, and an antiskid pad is arranged on the bottom face of the slide rail.

In the above technical scheme, the first ladder frame, the second ladder frame, the step and the telescopic foot are all made of aluminum materials.

Compared with the prior art, the utility model has the beneficial effects that: the upper handrail, the lower handrail, the handrail rod and the transverse handle door form a telescopic folding and folding integrated linkage mode, so that the whole ladder can be folded and folded, the storage and the transportation are convenient, the phenomena of side turning or side slipping and the like in the use process of the whole ladder are prevented through the arrangement of the side slipping prevention device, the use safety is ensured, the bearing weight on the whole ladder is detected in real time through the arrangement of the gravity sensor, and the accidents caused by overweight bearing of the whole ladder are avoided.

Drawings

FIG. 1 is a structural schematic view of the present invention showing the ladder deployed;

FIG. 2 is a schematic view of the ladder of the present invention in a collapsed configuration;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2;

fig. 4 is a partial structural schematic diagram of the present invention.

In the figure: 1. a first ladder frame; 2. a second ladder frame; 11. a ladder bar; 3. stepping; 4. a connecting seat; 5. a working platform; 51. a support plate; 52. a stopper; 6. a fence mechanism; 61. an upper railing; 62. a lower railing; 63. a connecting belt; 64. a grab rail; 65. A horizontal handle door; 66. a damper; 67. a snap ring; 7. a telescopic leg mechanism; 71. a telescopic leg; 72. mounting a shell; 73. a locking assembly; 74. positioning holes; 75. a locking seat; 76. a locking post; 77. a shaft; 78. a handle; 8. a sleeve; 9. a lateral anti-slip device; 91. a connecting seat; 92. a support bar; 93. a telescopic oil cylinder; 94. a friction base; 10. a gravity sensor; 14. an alarm unit; 12. a processing unit; 13. a bottom anti-skid device; 131. a slide rail; 132. fixing the rod; 133. inserting holes; 134. a non-slip mat.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The embodiments described by referring to the drawings are exemplary and intended to be used for explaining the present application and are not to be construed as limiting the present application. In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and thus should not be considered limiting. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise. In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral connections; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate. In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.

As shown in fig. 1-4, an intelligent side-slipping prevention telescopic fence ladder comprises a first ladder frame 1 and a second ladder frame 2, wherein the first ladder frame 1 and the second ladder frame 2 are arranged in a herringbone manner, a plurality of steps 3 are arranged between the first ladder frames 1 and between the second ladder frames 2, the upper portions of the first ladder frames 1 and the top portions of the second ladder frames 2 are hinged through connecting seats 4, a working platform 5 is arranged between the first ladder frames 1 and the second ladder frames 2, a fence mechanism 6 is arranged above the working platform 5, the fence mechanism 6 can rotate relative to the first ladder frames 1 and the second ladder frames 2, and telescopic foot mechanisms 7 are movably inserted into the lower portions of the first ladder frames 1 and the second ladder frames 2. Wherein, rail mechanism 6 includes railing 61 and railing 62 down, go up railing 61 with the top of first ladder frame 1 rotates to be connected, down the both ends of railing 62 respectively with the pin joint of connecting seat 4 and be located go up railing 61 below, go up railing 61 with be connected with connecting band 63 between railing 62 down.

As shown in fig. 2, the connection positions of the first ladder frame 1 and the second ladder frame 2 are respectively connected with lateral anti-slip devices 9 in a rotating manner, and the lateral anti-slip devices 9 are disposed on the left and right sides of the first ladder frame 1 and the second ladder frame 2 and are symmetrically arranged. The lateral anti-skid device 9 comprises a connecting seat 91, a supporting rod 92, a telescopic oil cylinder 93 and a friction base 94, wherein the connecting seat 91 is hinged to the joint of the first ladder frame 1 and the second ladder frame 2, one end of the supporting rod 92 is hinged to the connecting seat 91, the other end of the supporting rod is connected with a piston rod of the telescopic oil cylinder 93, and a cylinder body of the telescopic oil cylinder 93 is hinged to the friction base 94. The arrangement of the side anti-skid device 9 prevents the whole ladder from side turning or side slipping in the use process, and ensures the use safety. The bottom surface of the friction base 94 is provided with friction bumps, so that the friction force between the friction base 94 and the ground is increased, and the side slip is effectively prevented. When the telescopic oil cylinder 93 is used, the support rod 92 and the side face of the ladder are opened at a certain angle, the friction base 94 is arranged on the bottom face, the telescopic oil cylinder 93 drives the support rod 92 to tilt and move upwards according to the height of the whole ladder until the telescopic oil cylinder 93, the support rod 92 and the ladder are tightly stretched, the support is in place, and the telescopic oil cylinder stops acting.

As shown in fig. 1, a gravity sensor 10 and an alarm unit 14 are respectively disposed on two side surfaces of the bottom ends of the first ladder frame 1 and the second ladder frame 2, a processing unit 12 is disposed on the first ladder frame 1, and the gravity sensor 10 and the alarm unit 14 are in signal connection with the processing unit 12. The weight borne by the whole elevator is detected in real time through the gravity sensor 10, the signal is sent to the processing unit 12, the processing unit 12 sends the signal to the alarm unit 14 for alarm prompt, and accidents caused by the fact that the weight borne by the whole elevator is too heavy are avoided.

In this embodiment, as shown in fig. 1, the fence mechanism 6 further includes a handrail 64 and a horizontal handle door 65, a sleeve 8 is disposed in the middle of the first ladder frame 1, one end of the handrail 64 is pivotally connected to the upper handrail 61, the other end of the handrail is inserted into the sleeve 8 and can slide up and down in the sleeve 8, and the horizontal handle door 65 is disposed between the two handrail 64. Two of the grab rails 64 are respectively provided with a rotary damper 66 and a snap ring 67, one end of the transverse handle door 65 is pivoted with the rotary damper 66, and the other end of the transverse handle door is clamped in the snap ring 67.

In this embodiment, as shown in fig. 1, the working platform 5 includes a supporting plate 51 and a stopper 52, the supporting plate 51 is pivoted with the first ladder frame 1, one end of the stopper 52 is pivoted with the step 3 on the uppermost layer of the second ladder frame 2, and the other end is movably connected with the side wall of the supporting plate 51.

In this embodiment, as shown in fig. 1 and 3, the telescopic leg mechanism 7 includes a telescopic leg 71, an installation shell 72 and a locking assembly 73, the telescopic leg 71 can be vertically telescopic at the bottoms of the first ladder frame 1 and the second ladder frame 2, the installation shell 72 is respectively sleeved between the corresponding telescopic leg 71 and the first ladder frame 1 and between the telescopic leg 71 and the second ladder frame 2, the telescopic leg 71 is provided with a plurality of positioning holes 74, and the locking assembly 73 is sleeved on the corresponding telescopic leg 71 and can pass through the positioning holes 74 to fix the telescopic leg 71 with the first ladder frame 1 and the second ladder frame 2. Wherein, locking assembly 73 includes locking seat 75 and torsional spring (not shown), locking seat 75 middle part is provided with the axle 77 of being connected with installation shell 72, the torsional spring cover is established on the axle 77, locking seat 75 is in the both sides of axle 77 are provided with handle 78 and locking post 76 respectively, locking post 76 is inserted and is established a fixed flexible foot 71 in one of them locating hole 74. The rotation of the locking column 76 is controlled by the handle 78 with the shaft 77 as the center, and the two ends of the torsion spring respectively abut against the inner wall of the mounting shell 72 and the inner wall of the locking seat 75, so that the locking column 76 can be stably clamped into the positioning hole 74 and cannot be easily loosened.

Specifically, as shown in fig. 4, the bottom end of the telescopic foot 71 is movably provided with a bottom anti-slip device 13. The bottom anti-skid device 13 comprises a slide rail 131 and a fixing rod 132, wherein a connecting hole is formed in the telescopic foot 71, a plurality of inserting holes 133 are formed in the side face of the slide rail 131, the telescopic foot 71 is arranged in the slide rail 131, the connecting hole corresponds to the corresponding inserting hole 133, and the fixing rod 132 sequentially penetrates through the inserting holes 133 and the connecting hole, so that the telescopic foot 71 is fixedly connected with the slide rail 131. The telescopic feet 71 are fixed and positioned by the bottom antiskid devices 13, so that the telescopic feet are prevented from sliding forwards or backwards in the use process, and the use safety is ensured. The bottom surface of the slide rail 131 is provided with the anti-slip pad 134, so that the friction force between the slide rail 131 and the ground is increased, and the anti-slip effect is ensured.

In this embodiment, as shown in fig. 1 and 2, the first ladder frame 1 and the second ladder frame 2 both include two ladder bars 11, the step 3 is installed between the two ladder bars 11, and the height of the first ladder frame 1 is greater than the height of the second ladder frame 2.

In this embodiment, the first ladder frame 1, the second ladder frame 2, the step 3, the retractable leg 71 and other components are made of aluminum materials. Of course, the first ladder frame 1, the second ladder frame 2, the step 3, the retractable leg 71 and other components may be made of other materials, which is not limited in the embodiment.

The upper handrail 61, the lower handrail 62, the handrail 64 and the transverse handle door 65 form a telescopic, folding and folding integrated linkage mode, so that the whole ladder can be folded and folded, and is convenient to store and carry, and the whole ladder is lighter in structure, convenient to integrally take, place, open and fold and convenient to carry.

The technical scope of the present invention is not limited to the above embodiments, and any modifications, equivalent variations and modifications made to the above embodiments according to the technical spirit of the present invention still fall within the technical scope of the present invention.

Claims

1. An intelligent side-slipping prevention telescopic fence ladder is characterized by comprising a first ladder frame and a second ladder frame, wherein the first ladder frame and the second ladder frame are arranged in a herringbone mode, a plurality of steps are arranged between the first ladder frame and the second ladder frame, the upper portion of the first ladder frame is hinged with the top of the second ladder frame through a connecting seat, a working platform is arranged between the first ladder frame and the second ladder frame, a fence mechanism is arranged above the working platform and can rotate relative to the first ladder frame and the second ladder frame, and telescopic foot mechanisms are movably inserted into the lower portions of the first ladder frame and the second ladder frame; the fence mechanism comprises an upper railing and a lower railing, the upper railing is rotatably connected with the top end of the first ladder frame, two ends of the lower railing are respectively pivoted with the connecting seats and are positioned below the upper railing, and a connecting belt is connected between the upper railing and the lower railing;

2. The intelligent anti-sideslip telescopic fence ladder according to claim 1, characterized in that the fence mechanism further comprises a grab rail and a cross handle door, a sleeve is arranged in the middle of the first ladder frame, one end of the grab rail is pivoted with the upper railing, the other end of the grab rail is inserted into the sleeve and can slide up and down in the sleeve, and the cross handle door is arranged between the two grab rails.

3. The intelligent anti-sideslip telescopic fence ladder as claimed in claim 2, wherein a rotary damper and a snap ring are respectively arranged on the two grab rails, one end of the transverse handle door is pivoted with the rotary damper, and the other end of the transverse handle door is clamped in the snap ring.

4. The intelligent anti-sideslip telescopic fence ladder as claimed in claim 1, wherein the working platform comprises a supporting plate and a stopper, the supporting plate is pivoted with the first ladder frame, one end of the stopper is pivoted with the step on the uppermost layer of the second ladder frame, and the other end of the stopper is movably connected with the side wall of the supporting plate.

5. The intelligent anti-sideslip telescopic fence ladder according to claim 1, characterized in that the telescopic foot mechanism comprises telescopic feet, a mounting shell and a locking assembly, the telescopic feet can be stretched up and down at the bottoms of the first ladder frame and the second ladder frame, the mounting shell is respectively sleeved between the corresponding telescopic feet and the first ladder frame and between the telescopic feet and the second ladder frame, a plurality of positioning holes are formed in the telescopic feet, and the locking assembly is sleeved on the corresponding telescopic feet and can pass through the positioning holes to fix the telescopic feet with the first ladder frame and the second ladder frame.

6. The intelligent anti-sideslip telescopic fence ladder according to claim 5, characterized in that the locking assembly comprises a locking seat and a torsion spring, wherein a shaft connected with the mounting shell is arranged in the middle of the locking seat, the torsion spring is sleeved on the shaft, handles and locking columns are respectively arranged on two sides of the shaft of the locking seat, and the locking columns are inserted into one of the positioning holes to fix the telescopic legs.

7. The intelligent anti-sideslip telescopic fence ladder according to claim 1, characterized in that the first ladder rack and the second ladder rack both comprise two ladder bars, the step is installed between the two ladder bars, and the height of the first ladder rack is greater than that of the second ladder rack.

8. The intelligent anti-sideslip telescopic fence ladder according to claim 5, characterized in that a bottom anti-skid device is movably arranged at the bottom end of the telescopic foot; the bottom antiskid device comprises a slide rail and a fixing rod, a connecting hole is formed in the telescopic foot, a plurality of inserting holes are formed in the side face of the slide rail, the telescopic foot is arranged in the slide rail, the connecting hole corresponds to the corresponding inserting hole, the fixing rod penetrates through the inserting holes and the connecting hole in sequence, so that the telescopic foot is fixedly connected with the slide rail, and an antiskid pad is arranged on the bottom face of the slide rail.

9. The intelligent anti-sideslip telescopic fence ladder as claimed in claim 5, wherein the first ladder frame, the second ladder frame, the steps and the telescopic legs are all made of aluminum materials.