CN221256638U - Ladder for electric power - Google Patents
Ladder for electric power Download PDFInfo
- Publication number
- CN221256638U CN221256638U CN202323180132.0U CN202323180132U CN221256638U CN 221256638 U CN221256638 U CN 221256638U CN 202323180132 U CN202323180132 U CN 202323180132U CN 221256638 U CN221256638 U CN 221256638U
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- rod
- ladder
- longitudinal rod
- screw
- positioning
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- Ladders (AREA)
Abstract
The utility model discloses an electric ladder, which comprises a first longitudinal rod, a second longitudinal rod and a cross rod, wherein the first longitudinal rod, the second longitudinal rod and the cross rod are made of glass fiber reinforced plastic materials, the first longitudinal rod and the second longitudinal rod are arranged in parallel and are connected through a plurality of cross rods, two ends of the cross rod are respectively connected with the first longitudinal rod and the second longitudinal rod through pin shafts, and the cross rod can swing along the length direction of the first longitudinal rod; the ladder is characterized in that a first positioning through hole is formed in the cross rod at the bottom of the ladder, a positioning component is detachably inserted in the first positioning through hole, the bottom end of the positioning component is connected with the bottom end of the first longitudinal rod or the bottom end of the second longitudinal rod, and the positioning component can keep the cross rod perpendicular to the first longitudinal rod. The utility model relates to a ladder for electric power, which can enable the ladder convenient to carry to rapidly enter a working state.
Description
Technical Field
The utility model relates to the technical field of ladders, in particular to a ladder for electric power.
Background
Most of the ladders for electric power are insulating ladders, the insulating ladders have good insulating capability, the common insulating ladders are made of glass fiber reinforced plastic, bamboo, wood and other materials, and compared with other materials, the glass fiber reinforced plastic has the advantages of non-conduction, corrosion resistance, high strength, light weight, no water absorption and the like, and the safety characteristic is better in electric power operation.
Insulating ladders currently on the market are largely divided into adjustable ladders and ordinary ladders. Wherein adjustable ladder divide into folding ladder and telescopic ladder, and two kinds of ladders can both accomodate, reduce occupation space to be convenient for carry and deposit.
The invention patent of the authorized bulletin number CN107503671B discloses a rapid disassembly and assembly combined ladder, which comprises upright posts, cross bars, lower clamping plates, upper clamping plates, clamping plate grooves, rotary cakes, locking grooves, rotary cake grooves, locking catches, fixing holes, rotary cake locking grooves, fixing pins and cross beams, wherein the two upright posts are connected through the cross bars, the two ends of each cross bar are respectively provided with a lower clamping plate, the cross bars are integrally connected with the lower clamping plates, the outer sides of the lower clamping plates are provided with a rotary cake, the outer sides of the rotary cakes are provided with upper clamping plates, the upper clamping plates are divided into a left part and a right part, the middle part is provided with clamping plate grooves, the lower clamping plates, the rotary cakes and the upper clamping plates are integrally connected, the rotary cake grooves are arranged on the upright posts, the rotary cake groove both sides set up the hasp groove, rotary cake groove and hasp groove intercommunication, and rotary cake groove and hasp groove all run through the stand, rotary cake catching groove is for setting up the circular recess in the inboard intermediate position of hasp, and the radius is greater than rotary cake, the fixed orifices sets up in the hasp both sides, and the fixed orifices runs through the hasp, the crossbeam sets up in the hasp outside, the punch holder passes the hasp groove, rotatory cake embedding rotary cake inslot, then rotatory ninety degrees of rotary cake, punch holder and lower plate clip the stand, the hasp left and right sides passes the hasp groove, rotatory cake is detained in rotatory cake catching inslot, the crossbeam embedding splint inslot, the fixed pin passes the fixed orifices, thereby fixed horizontal pole.
Above-mentioned patent, a quick assembly disassembly combination's ladder for electric power breaks up the ladder into a plurality of parts, portable. However, the parts are more, the assembly process requires time, the parts are easy to leak, and particularly the parts cannot be quickly brought into a working state under the emergency repair condition.
Therefore, there is a need to develop a ladder for electric power in response to the above drawbacks.
Disclosure of utility model
The utility model aims to provide a ladder for electric power, which can enable the ladder convenient to carry to quickly enter a working state.
In order to solve the technical problems, the utility model adopts the following technical scheme:
The utility model relates to a ladder for electric power, which comprises a first longitudinal rod, a second longitudinal rod and a cross rod, wherein the first longitudinal rod, the second longitudinal rod and the cross rod are made of glass fiber reinforced plastic materials, the first longitudinal rod and the second longitudinal rod are arranged in parallel and are connected through a plurality of cross rods, two ends of the cross rod are respectively connected with a pin shaft of the first longitudinal rod and a pin shaft of the second longitudinal rod, and the cross rod can swing along the length direction of the first longitudinal rod; the ladder is characterized in that a first positioning through hole is formed in the cross rod at the bottom of the ladder, a positioning component is detachably inserted in the first positioning through hole, the bottom end of the positioning component is connected with the bottom end of the first longitudinal rod or the bottom end of the second longitudinal rod, and the positioning component can keep the cross rod perpendicular to the first longitudinal rod.
Further, the locating component comprises a screw, the end of the screw is provided with threads, the inner side wall of the first longitudinal rod is connected with a fixing block which protrudes inwards, a third locating through hole is formed in the fixing block along the length direction of the first longitudinal rod, the screw penetrates through the third locating through hole and the first locating through hole from bottom to top, and the end of the screw is connected with a nut in a threaded mode.
Further, the first longitudinal rod and the fixed block are integrally formed.
Further, a bushing is coaxially fixed in the first positioning through hole, and the screw rod part penetrates through the bushing.
Further, the middle part of the screw is also provided with a nail ring, the lower part of the screw is sleeved with a spring, one end of the spring is propped against the bottom surface of the nail ring, the other end of the spring is propped against the top surface of the fixed block, and the nail cap of the screw is propped against the bottom surface of the fixed block.
Further, the top end of the first vertical rod or the second vertical rod is further provided with another positioning component, a second positioning through hole is formed in the upper side surface of the cross rod at the top of the ladder, the positioning component at the top end is detachably inserted into the second positioning through hole, the bottom end of the positioning component at the top end is connected with the top end of the first vertical rod or the top end of the second vertical rod, and the positioning component at the top end can keep the cross rod perpendicular to the first vertical rod.
Further, a bushing is coaxially fixed in the second positioning through hole, and the screw penetrates through the bushing.
Compared with the prior art, the utility model has the beneficial technical effects that:
According to the ladder for electric power, the connecting rod polygonal ladder can be folded and stored, and is convenient to carry and store; the detachable positioning component arranged at the bottom of the ladder is inserted into the first positioning through hole, so that the ladder can be shaped quickly and can enter a working state quickly.
Drawings
The utility model is further described with reference to the following description of the drawings.
Fig. 1 is a schematic perspective view of embodiment 1 of the present utility model;
FIG. 2 is a schematic cross-sectional view of FIG. 1 at A;
FIG. 3 is a schematic view of the bottom rail structure of embodiment 1;
fig. 4 is a schematic perspective view of a screw according to embodiment 1;
fig. 5 is a schematic perspective view of a fixing block of embodiment 1;
Fig. 6 is a schematic perspective view of embodiment 2 of the present utility model;
Fig. 7 is a schematic perspective view of the screw of embodiment 2.
Reference numerals illustrate: 1. a first longitudinal bar; 2. a second longitudinal bar; 3. a cross bar; 301. a first positioning through hole; 302. a second positioning through hole; 4. a screw; 401. a nail ring; 5. a fixed block; 501. a third positioning through hole; 6. a spring; 7. a bushing.
Detailed Description
The utility model provides a ladder for electric power, which can enable the ladder convenient to carry to quickly enter a working state.
The following description of the embodiments of the present utility model will be made in detail with reference to the accompanying drawings, wherein it is apparent that the embodiments described are only some, but not all embodiments of the utility model. 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.
In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," "middle," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model.
Referring to the drawings, fig. 1 is a schematic perspective view of embodiment 1 of the present utility model; FIG. 2 is a schematic cross-sectional view of FIG. 1 at A; FIG. 3 is a schematic view of the bottom rail structure of embodiment 1; fig. 4 is a schematic perspective view of a screw according to embodiment 1; fig. 5 is a schematic perspective view of a fixing block of embodiment 1; fig. 6 is a schematic perspective view of embodiment 2 of the present utility model; fig. 7 is a schematic perspective view of the screw of embodiment 2.
Example 1
As shown in fig. 1 to 5, the ladder comprises a first longitudinal rod 1, a second longitudinal rod 2 and a cross rod 3, wherein the first longitudinal rod 1 and the second longitudinal rod 2 are made of glass fiber reinforced plastic materials, the first longitudinal rod 1 and the second longitudinal rod 2 are arranged in parallel, a plurality of support legs are arranged on the inner sides of the first longitudinal rod 1 and the second longitudinal rod 2, through holes are formed in two ends of the cross rod 3, the cross rods 3 are rotationally connected with the support legs through pin shafts, the cross rod 3 swings along the longitudinal direction, namely the cross rod 3 swings along the length direction of the first longitudinal rod 1, the second longitudinal rod 2 and the cross rod 3 form a movable polygonal ladder, and the ladder can be unfolded or folded by pulling the first longitudinal rod 1 to be far away from or close to the second longitudinal rod 2; be equipped with first location through-hole 301 on the horizontal pole 3 of ladder bottom, inserted locating part in the first location through-hole 301, locating part is along the inboard of first vertical pole 1 or second vertical pole 2 of first vertical pole 1 length direction (i.e. longitudinal direction) detachable installation, and locating part is located the horizontal pole 3 below of bottom, and first vertical pole 1 or second vertical pole 2 bottom is connected to locating part bottom, and locating part can keep horizontal pole 3 perpendicular to first vertical pole 1.
The distance between the upper and lower adjacent support legs is greater than the length of the cross rod 3, so that the cross rod 3 swings to be parallel to the first longitudinal rod 1, and the space occupied by the ladder when being stored is further reduced.
The locating component includes screw 4, screw 4 end is equipped with the screw thread, first vertical pole 1 inside wall is connected with inwards stretches out fixed block 5, third location through-hole 501 has been seted up along first vertical pole 1 length direction to fixed block 5, screw 4 from bottom to top alternates through third location through-hole 501 and first location through-hole 301, screw 4 pole portion alternates in third location through-hole 501 promptly, the pole portion that screw 4 upwards stretches out fixed block 5 runs through first location through-hole 301, screw 4 end department's threaded connection nut makes horizontal pole 3 and first vertical pole 1 or second vertical pole 2 keep vertically.
As shown in fig. 1, the first vertical rod 1 and the fixing block 5 are integrally formed.
The above only exemplifies the structure when the positioning member is provided on the first side rail 1, and the same is true when the positioning member is provided on the second side rail 2, and the details are not repeated here.
As shown in fig. 2, a bushing 7 is coaxially fixed in the first positioning through hole 301, and the shaft portion of the screw 4 passes through the bushing 7. The bushing 7 plays a supporting and guiding role on the rod part of the screw 4, and can also prevent the rod part of the screw 4 from directly contacting with the first positioning through hole 301 to wear the glass fiber reinforced plastic. The bushing 7 may be made of one of nylon, steel, and copper.
As shown in fig. 1, in order to enhance the stability of the ladder, the top end of the first vertical bar 1 or the second vertical bar 2 is further provided with another positioning component, the positioning component at the top end is arranged in the same way as the positioning component arranged on the first vertical bar 1, that is, the upper side surface of the cross bar 3 at the top of the ladder is provided with a second positioning through hole 302, the positioning component at the top end is detachably inserted into the second positioning through hole 302, the positioning component is movably arranged at the inner side of the second vertical bar 2 along the length direction of the second vertical bar 2, and the positioning component is positioned above the cross bar 3 at the top; the bottom end of the top positioning component is connected with the top end of the first vertical rod 1 or the second vertical rod 2, and the top positioning component can keep the cross rod 3 perpendicular to the first vertical rod 1.
Similarly, the second positioning through hole 302 is provided with a bushing 7.
Anti-slip devices, such as rubber pads, may also be provided at the bottom ends of the first and second side rails 1, 2 to prevent the ladder from slipping during operation (not shown).
The cross bar 3 may be made plate-like for stepping with the staff.
The two ladders of the utility model can also be made into a herringbone ladder, and the tops of the ladders are rotatably connected through a detachable shaft.
A limiting structure may also be provided in the middle of the screw 4 to prevent the screw 4 from being separated from the fixing block 5, such as a threaded connection with a nut.
The embodiment 1 of the utility model relates to a working principle of a ladder for electric power, which comprises the following steps: the screw 4 or the nut thereon is screwed to separate the screw 4 and the nut from each other, and the screw 4 is separated from the first positioning through hole 301, and the first vertical rod 1 is pulled downwards, so that the ladder is folded; when the folded ladder is carried to the operation site, the first vertical bar 1 is pulled away from the second vertical bar 2 to expand the ladder, and when the cross bar 3 is perpendicular to the first vertical bar 1, the screws 4 are sequentially inserted into and pass through the third positioning through holes 501 and the first positioning through holes 301, and the nuts are mounted to the ends of the screws 4, the ladder is fixed in shape and can be used for operation.
Example 2
Embodiment 2 differs from embodiment 1 in the positioning member structure.
As shown in fig. 6 to 7, a nail ring 401 is arranged in the middle of the screw 4, a spring 6 is sleeved at the lower part of the screw 4, one end of the spring 6 is propped against the bottom surface of the nail ring 401, the other end of the spring 6 is propped against the top surface of the fixed block 5, and the nail cap of the screw 4 is propped against the bottom surface of the fixed block 5. The middle hole of the nail ring 401 can be provided with threads or directly adopts nuts, and then is connected with the threads arranged in the middle of the screw 4; it is also possible to weld the screw 4 to the nail ring 401 after the screw 4 is inserted into the fixing block 5.
The screw 4 is inserted into the first positioning through-hole 301 by the elastic action of the spring 6. The screw cap of the screw 4 is pulled downwards, the end part of the screw 4 can be separated from the first positioning through hole 301, and the ladder can be folded at the moment; the first longitudinal bar 1 is pulled to unfold the ladder, the end of the screw 4 slides relative to the lower side of the cross bar 3, and when the cross bar 3 is perpendicular to the first longitudinal bar 1, the screw 4 is automatically inserted into the first positioning through hole 301 under the action of the elastic force of the spring 6, so that the shape of the ladder is fixed.
The end portions of the screws 4 may be arranged in a hemispherical shape so as to reduce friction with the cross bar 3.
In this specification, each embodiment is described in a progressive manner, and each embodiment focuses on the difference from other embodiments, so that the same similar parts of each embodiment refer to each other, and each embodiment may be combined with each other. For the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant points refer to the description of the method section.
The above embodiments are only illustrative of the preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, and various modifications and improvements made by those skilled in the art to the technical solutions of the present utility model should fall within the protection scope defined by the claims of the present utility model without departing from the design spirit of the present utility model.
Claims (6)
1. The ladder for electric power comprises a first longitudinal rod (1), a second longitudinal rod (2) and a cross rod (3) which are made of glass fiber reinforced plastic materials, wherein the first longitudinal rod (1) and the second longitudinal rod (2) are arranged in parallel and are connected through a plurality of cross rods (3), and the ladder is characterized in that two ends of the cross rod (3) are respectively connected with the first longitudinal rod (1) and the second longitudinal rod (2) through pin shafts, and the cross rod (3) can swing along the length direction of the first longitudinal rod (1); the ladder is characterized in that a first positioning through hole (301) is formed in the cross rod (3) at the bottom of the ladder, a positioning component is detachably inserted in the first positioning through hole (301), the bottom end of the positioning component is connected with the bottom end of the first longitudinal rod (1) or the bottom end of the second longitudinal rod (2), and the positioning component can keep the cross rod (3) perpendicular to the first longitudinal rod (1).
2. The ladder for electric power according to claim 1, wherein: the locating component comprises a screw (4), the end of the screw (4) is provided with threads, the inner side wall of the first vertical rod (1) is connected with a fixing block (5) which protrudes inwards, a third locating through hole (501) is formed in the fixing block (5) along the length direction of the first vertical rod (1), the screw (4) penetrates through the third locating through hole (501) and the first locating through hole (301) from bottom to top, and the end of the screw (4) is in threaded connection with a nut.
3. The ladder for electric power according to claim 2, characterized in that: the first longitudinal rod (1) and the fixed block (5) are integrally formed.
4. The ladder for electric power according to claim 2, characterized in that: a bushing (7) is coaxially fixed in the first positioning through hole (301), and the rod part of the screw (4) penetrates through the bushing (7).
5. The ladder for electric power according to claim 2, characterized in that: the middle part of screw (4) still is equipped with nail ring (401), screw (4) lower part cover is equipped with spring (6), spring (6) one end top tightly is in nail ring (401) bottom surface, spring (6) other end top tightly be in fixed block (5) top surface, the nail cap top of screw (4) tightly be in fixed block (5) bottom surface.
6. The ladder for electric power according to claim 1, wherein: the top of the first vertical rod (1) or the second vertical rod (2) is also provided with another positioning component, the upper side surface of the cross rod (3) at the top of the ladder is provided with a second positioning through hole (302), the positioning component at the top is detachably inserted into the second positioning through hole (302), the bottom end of the positioning component at the top is connected with the top end of the first vertical rod (1) or the top end of the second vertical rod (2), and the positioning component at the top can keep the cross rod (3) perpendicular to the first vertical rod (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323180132.0U CN221256638U (en) | 2023-11-24 | 2023-11-24 | Ladder for electric power |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323180132.0U CN221256638U (en) | 2023-11-24 | 2023-11-24 | Ladder for electric power |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221256638U true CN221256638U (en) | 2024-07-02 |
Family
ID=91654643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323180132.0U Active CN221256638U (en) | 2023-11-24 | 2023-11-24 | Ladder for electric power |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221256638U (en) |
-
2023
- 2023-11-24 CN CN202323180132.0U patent/CN221256638U/en active Active
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