CN216741330U - Middle locking structure of extension ladder - Google Patents
Middle locking structure of extension ladder Download PDFInfo
- Publication number
- CN216741330U CN216741330U CN202122638167.9U CN202122638167U CN216741330U CN 216741330 U CN216741330 U CN 216741330U CN 202122638167 U CN202122638167 U CN 202122638167U CN 216741330 U CN216741330 U CN 216741330U
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- Prior art keywords
- lead screw
- locking
- screw
- sliding block
- driving motor
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- 230000003014 reinforcing effect Effects 0.000 claims abstract description 14
- 238000009434 installation Methods 0.000 claims description 11
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 238000010276 construction Methods 0.000 claims 1
- 239000003351 stiffener Substances 0.000 abstract description 7
- 239000004677 Nylon Substances 0.000 description 5
- 229920001778 nylon Polymers 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000011112 process operation Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a middle locking structure of an extension ladder, which comprises a transverse reinforcing rod arranged in the middle of the extension ladder, wherein a driving motor, a screw rod matched with the driving motor, a first thread sliding block matched with the screw rod and a second thread sliding block are arranged in the transverse reinforcing rod along the horizontal direction; all connect the locking rope that is provided with the tip and extends to horizontal stiffener outer end on two screw thread sliders, this technical scheme extension ladder middle part locking structure, through the driving motor in the middle part stiffener, the drive lead screw rotates, the lead screw rotates and drives screw thread slider along the horizontal direction motion, all connect on two screw thread sliders and be provided with the locking rope, section to soon through the lead screw difference, make two screw thread sliders be close to simultaneously or separate, can realize the take-up or the release to the locking rope, realize the locking location of extension ladder.
Description
Technical Field
The utility model relates to the field of electric power overhaul, in particular to a middle locking structure of an extension ladder.
Background
The telescopic stairway is one of common tools in daily maintenance work, and the fixing of the telescopic stairway in the work at present mainly adopts the mode that a rope is bound on the bottom of a ladder to support a rod body, and a metal flat iron is bound in the middle of the ladder or a device firm framework. The high-altitude operation personnel are longer in the operation time of binding the middle part, the working efficiency is greatly influenced, and the safety risks of stair inclination and personnel falling exist in the binding process.
Therefore, in order to solve the above problems, a middle locking structure of a telescopic ladder is required to solve the above problems.
SUMMERY OF THE UTILITY MODEL
In view of this, this technical scheme extension ladder middle part locking structure, through the driving motor in the middle part stiffener, the drive lead screw rotates, and the lead screw rotates and drives the screw slider along the horizontal direction motion, all connects on first screw slider and the second screw slider to be provided with the locking rope, through the different section of turning to of lead screw for first screw slider and second screw slider are close to simultaneously or separate, can realize the take-up or the release to the locking rope, realize the locking location of extension ladder.
A middle locking structure of an extension ladder comprises a transverse reinforcing rod arranged in the middle of the extension ladder, wherein a driving motor, a screw rod matched with the driving motor, a first threaded slide block matched with the screw rod and a second threaded slide block are arranged in the transverse reinforcing rod along the horizontal direction; and the first thread sliding block and the second thread sliding block are both connected with locking ropes, and the end parts of the locking ropes extend to the outer ends of the transverse reinforcing rods.
Further, the lead screw includes left lead screw, right lead screw and sets up the spacing step between left lead screw and right lead screw, left side lead screw and right lead screw processing revolve to opposite, first screw thread slider is installed on left lead screw, second screw thread slider is installed on right lead screw.
Furthermore, two positioning installation platforms are arranged in the transverse reinforcing rod, the two positioning installation platforms are identical in structure, and a guide cross beam used for guiding the two threaded sliding blocks is arranged between the two positioning installation platforms.
Further, a coupler is arranged between the output shaft of the driving motor and the screw rod.
Furthermore, the first threaded sliding block and the second threaded sliding block are identical in structure, two positioning holes are formed in the first threaded sliding block, and locking ropes are connected and arranged in the two positioning holes.
Furthermore, the end part of the locking rope is provided with a hook.
The utility model has the beneficial effects that: this technical scheme extension ladder middle part locking structure, through the driving motor in the middle part stiffener, the drive lead screw rotates, the lead screw rotates and drives the screw thread slider along the horizontal direction motion, it is provided with the locking rope all to connect on first screw thread slider and the second screw thread slider, through the different section of turning to soon of lead screw, make first screw thread slider and second screw thread slider be close to simultaneously or the separation, can realize the take-up or the release to the locking rope, realize the locking location of extension ladder, whole process operation is convenient fast, operator's work efficiency has been promoted greatly.
Drawings
The utility model is further described below with reference to the following figures and examples:
FIG. 1 is a schematic view of the present invention showing a telescopic stairway;
FIG. 2 is a schematic view of the interior of the transverse stiffener;
fig. 3 is a schematic view of the telescopic stairway.
Detailed Description
FIG. 1 is a schematic view of the structure of the retractable staircase of the present invention; FIG. 2 is a schematic view of the interior of the transverse stiffener;
fig. 3 is a schematic use view of a telescopic stair, and a middle locking structure of the telescopic stair comprises a transverse reinforcing rod 2 installed in the middle of a telescopic stair 1, wherein a driving motor 3, a screw rod used in cooperation with the driving motor 3, a first threaded slider 8 used in cooperation with the screw rod, and a second threaded slider 12 are arranged in the transverse reinforcing rod 2 along a horizontal direction (i.e., the horizontal direction in fig. 2); the first threaded sliding block and the second threaded sliding block are both connected with locking ropes 13, and the end parts of the locking ropes extend to the outer ends of the transverse reinforcing rods; this technical scheme extension ladder middle part locking structure, through the driving motor in the middle part stiffener, the drive lead screw rotates, the lead screw rotates and drives the screw thread slider along the horizontal direction motion, it is provided with the locking rope all to connect on first screw thread slider and the second screw thread slider, through the different section of turning to soon of lead screw, make first screw thread slider and second screw thread slider be close to simultaneously or the separation, can realize the take-up or the release to the locking rope, realize the locking location of extension ladder, whole process operation is convenient fast, operator's work efficiency has been promoted greatly.
In this embodiment, the lead screw includes a left lead screw 7, a right lead screw 10 and a limit step 9 arranged between the left lead screw and the right lead screw, the processing turning directions of the left lead screw 7 and the right lead screw 10 are opposite, the first thread slider 8 is installed on the left lead screw, and the second thread slider 12 is installed on the right lead screw. The middle part of the screw rod is provided with a limiting step 9, so that when the two threaded sliding blocks slide to the middle part, the position is limited, the rotating directions of the left screw rod and the right screw rod are opposite, the two threaded sliding blocks are ensured to move in the same direction or in the opposite direction when sliding, and the locking rope is tightened or released.
In this embodiment, two positioning installation platforms 4 are arranged in the transverse reinforcing rod 2, the two positioning installation platforms 4 have the same structure, and a guide cross beam 6 for guiding the two threaded sliders is arranged between the two positioning installation platforms 4. The guide cross beam 6 is two and is parallel arrangement each other between two location mount tables, and the upper and lower tip of screw thread slider all installs inside guide cross beam 6, and guide cross beam 6 not only leads screw thread slider, can also promote its motion process's stability, is convenient for shrink locking fast.
In this embodiment, a coupling 5 is arranged between the output shaft of the driving motor and the screw rod. The coupler 5 ensures the stability of the driving fit between the output motor and the screw rod.
In this embodiment, the first threaded slider 8 and the second threaded slider 12 have the same structure, two positioning holes 11 are formed in the first threaded slider 8, and locking ropes 13 are connected and arranged in the two positioning holes 11. The two thread sliding blocks are identical in structure and convenient to process and use, positioning holes 11 used for connecting and installing locking ropes 13 are formed in the thread sliding blocks, and the locking ropes on the two thread sliding blocks penetrate out of the two positioning installation tables 4 corresponding to each other respectively.
In this embodiment, the end of the locking rope 13 is provided with a hook. Locking rope 13 adopts the nylon rope, and the nylon rope end portion all connects and is provided with the couple (not drawn in the picture), and the nylon rope cooperates through the couple of tip, through with the fixed back of cement framework, lead screw drive screw slider moves to the middle part, tightens up the nylon rope and can realize locking, adopts the arrangement of double nylon rope, has promoted the stability ability of locking back extension ladder installation.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (6)
1. The utility model provides an extension ladder middle part locking structure which characterized in that: the telescopic ladder comprises a transverse reinforcing rod arranged in the middle of the telescopic ladder, wherein a driving motor, a screw rod matched with the driving motor, a first thread sliding block matched with the screw rod and a second thread sliding block are arranged in the transverse reinforcing rod along the horizontal direction; and the first thread sliding block and the second thread sliding block are both connected with locking ropes, and the end parts of the locking ropes extend to the outer ends of the transverse reinforcing rods.
2. The telescopic ladder middle locking structure as claimed in claim 1, wherein: the lead screw includes left lead screw, right lead screw and sets up the spacing step between left lead screw and right lead screw, left side lead screw and right lead screw processing revolve to opposite, first screw thread slider is installed on left lead screw, second screw thread slider is installed on right lead screw.
3. The telescopic ladder middle locking structure as claimed in claim 2, wherein: two positioning installation platforms are arranged in the transverse reinforcing rod, the two positioning installation platforms are identical in structure, and a guide cross beam used for guiding the two threaded sliding blocks is arranged between the two positioning installation platforms.
4. A telescopic ladder middle locking construction according to claim 3, characterized in that: and a coupling is arranged between the output shaft of the driving motor and the screw rod.
5. The telescopic ladder middle locking structure as claimed in claim 4, wherein: the first threaded sliding block and the second threaded sliding block are identical in structure, two positioning holes are formed in the first threaded sliding block, and locking ropes are connected and arranged in the two positioning holes.
6. The telescopic ladder middle locking structure as claimed in claim 4, wherein: the end part of the locking rope is provided with a hook.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122638167.9U CN216741330U (en) | 2021-10-29 | 2021-10-29 | Middle locking structure of extension ladder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122638167.9U CN216741330U (en) | 2021-10-29 | 2021-10-29 | Middle locking structure of extension ladder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216741330U true CN216741330U (en) | 2022-06-14 |
Family
ID=81925072
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122638167.9U Active CN216741330U (en) | 2021-10-29 | 2021-10-29 | Middle locking structure of extension ladder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216741330U (en) |
-
2021
- 2021-10-29 CN CN202122638167.9U patent/CN216741330U/en active Active
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