Spliced insulating ladder

Abstract

The utility model discloses a spliced insulating ladder, which comprises a main ladder body, a first ladder body, a second ladder body, a first splicing component, a second splicing component, a third splicing component and a support frame, the main ladder body comprises a first vertical rod and a first cross rod; the first ladder body comprises second vertical rods and second transverse rods, and hoops are arranged on the second transverse rods; the second ladder body comprises third vertical rods and third transverse rods; the first splicing assembly comprises a threaded sleeve, an adjusting nut, a sleeve and a tightening sleeve. The tightening sleeve wraps the connection position of the first vertical rod and the third vertical rod. The second splicing assembly is arranged between the second vertical rod and the third vertical rod; each third splicing assembly is arranged between every two adjacent third vertical rods; the supporting frame is hinged to the main ladder body, and a telescopic frame is arranged between the supporting frame and the main ladder body. According to the spliced insulating ladder provided by the utility model, a triangular structure is used for supporting and a hoop fixing structure is used, the toppling condition in the operation process is avoided, a spliced structure is adopted, and each split part is convenient to transport.

Description

Technical Field

[0001] The utility model relates to the technical field of live working, and particularly relates to a spliced insulating ladder. Background Art

[0002] At present, in various ordinary pole operations such as cable maintenance, the insulating ladder is widely used as a climbing tool. Operators need to stand on the insulating ladder for a long time. Therefore, the stability of the insulating ladder is a necessary condition to ensure the safe operation of the operators.

[0003] Traditional insulating ladders generally include two vertically supporting rods arranged in parallel, and horizontal supporting rods arranged in parallel and at intervals between the two vertically supporting rods. Operators climb between different horizontal supporting rods to climb to a higher place. However, for insulating ladders with a relatively high height, there are disadvantages such as being prone to tipping during use, and when the insulating ladder is too long, it is difficult to transport.

[0004] It can be seen that the existing technology still needs to be improved. Content of the Utility Model

[0005] In view of the above deficiencies of the existing technology, the purpose of the utility model is to provide a spliced insulating ladder, aiming to solve the technical problems of easy tipping and difficult transportation of the insulating ladder during use.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A spliced insulating ladder, comprising:

[0008] A main ladder body, including two first vertical rods arranged in parallel, and a plurality of first cross rods arranged between the two first vertical rods;

[0009] A first ladder body, including two second vertical rods arranged in parallel, and a second cross rod for connecting the two second vertical rods. A hoop is provided on the second cross rod, and the hoop can be fixed on the electric pole;

[0010] A second ladder body, including two third vertical rods arranged in parallel, and a plurality of third cross rods arranged between the two third vertical rods. A plurality of second ladder bodies are arranged between the main ladder body and the first ladder body;

[0011] A first splicing component, including a threaded sleeve provided at the top of the first vertical rod, an adjusting nut threadedly connected to the threaded sleeve, a sleeve rotatably connected to the adjusting nut, and a tightening sleeve provided at the bottom of the third vertical rod. A plurality of vertical grooves are provided on the wall of the tightening sleeve, and the sleeve is sleeved on the tightening sleeve so that the tightening sleeve wraps the connection part of the first vertical rod and the third vertical rod;

[0012] A second splicing component is provided between the second vertical rod and the third vertical rod;

[0013] The third splicing component is disposed between two adjacent second vertical rods;

[0014] The support frame has its top hinged to the main ladder body, and its bottom is hinged with a telescopic frame, and one end of the telescopic frame is connected to the bottom of the main ladder body.

[0015] Further, a first splicing block is provided at the top of the first vertical rod, and a second splicing block is provided at the bottom of the third vertical rod. The first splicing block and the second splicing block can be spliced into a cylinder.

[0016] Further, the outer wall of the tightening sleeve and the inner wall of the sleeve are both in a conical structure.

[0017] Further, the hoop includes a fixed block, a movable block and a clamping clip. Two fixed blocks are symmetrically disposed on the second cross bar. Two movable blocks are symmetrically arranged and slidably disposed on the second cross bar. An adjusting screw is threadedly connected to the fixed block, and the end of the adjusting screw abuts against the movable block. The clamping clip is rotatably disposed on the movable block, and the rotation center line of the clamping clip is parallel to the second cross bar.

[0018] Further, the support frame includes two parallel fourth vertical rods and a plurality of fourth cross bars disposed between the two fourth vertical rods. An articulated seat is provided between the top end of the fourth vertical rod and the first vertical rod.

[0019] Further, a hook is provided on the first vertical rod, a latch rod is provided on the fourth vertical rod, and a groove for cooperating with the latch rod is formed on the hook.

[0020] Further, the telescopic frame includes a first connecting frame and a second connecting frame which are slidably connected to each other, and the first connecting frame is locked with the second connecting frame by a fastening screw. One end of the first connecting frame is hinged to the support frame, and one end of the second connecting frame is connected to the main ladder body.

[0021] Further, a U-shaped clamping block is provided at the end of the second connecting frame, a jack is provided at the bottom of the first vertical rod, a pin that can be inserted into the jack is provided on the U-shaped clamping block, and a spring is provided between the pin and the U-shaped clamping block.

[0022] Further, a folding chair is further included. The folding chair includes two parallel V-shaped frames, a scissor assembly disposed between the two V-shaped frames, and a soft cloth connected to the two V-shaped frames. The two ends of the V-shaped frame are respectively clamped to two adjacent third cross bars.

[0023] Further, a plug block is provided on one of the V-shaped frames, and a slot for cooperating with the plug block is provided on each of the third cross bars.

[0024] Beneficial effects: (1) By arranging multiple second ladders to be spliced with the first ladder and the main ladder into a long ladder, it is suitable for climbing to different heights for operations, and it is convenient to transport each component after disassembly; (2) After the support frame and the telescopic frame are unfolded, they form a stable triangular structure with the main ladder, and there is a hoop on the first ladder that can be fixed on the electric pole, which can improve the stability of the insulating ladder placement, avoid tipping over during use, and ensure the safety of the operators. Brief Description of the Drawings

[0025] Figure 1 It is a structural diagram of the spliced insulating ladder provided by the present utility model.

[0026] Figure 2 It is a side view of the spliced insulating ladder provided by the present utility model.

[0027] Figure 3 It is an exploded view of the first splicing component in the spliced insulating ladder provided by the present utility model.

[0028] Figure 4 It is a structural diagram of the hoop in the spliced insulating ladder provided by the present utility model.

[0029] Figure 5 It is a structural diagram of the main ladder, the support frame and the telescopic frame in the unfolded state in the spliced insulating ladder provided by the present utility model.

[0030] Figure 6 It is a structural diagram of the main ladder, the support frame and the telescopic frame in the folded state in the spliced insulating ladder provided by the present utility model.

[0031] Figure 7 It is a structural diagram of the folding chair in the unfolded state in the spliced insulating ladder provided by the present utility model.

[0032] Figure 8 It is a structural diagram of the folding chair in the folded state in the spliced insulating ladder provided by the present utility model.

[0033] Description of main component symbols: main ladder body 1, first vertical rod 11, first splicing block 111, jack 112, first cross bar 12, hook 13, first ladder body 2, second vertical rod 21, second cross bar 22, hoop 3, fixed block 31, movable block 32, clamping clip 33, adjusting screw 34, second ladder body 4, third vertical rod 41, second splicing block 411, third cross bar 42, first splicing assembly 5, threaded sleeve 51, adjusting nut 52, sleeve 53, tightening sleeve 54, vertical groove 541, second splicing assembly 6, third splicing assembly 7, support frame 8, fourth vertical rod 81, fourth cross bar 82, hinge seat 83, clamping rod 84, telescopic frame 9, first connecting frame 91, second connecting frame 92, strip hole 921, fastening screw 93, U-shaped clamping block 94, mounting seat 941, pin 95, retaining ring 951, spring 96, height-adjustable foot cup 97, folding chair 10, V-shaped frame 101, scissor assembly 102, insertion block 103, slot 104, U-shaped notch 105. Detailed implementation

[0034] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all of the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0035] Please refer to Figure 1-8, the present utility model provides a spliced insulating ladder, which includes a main ladder body 1, a first ladder body 2, a second ladder body 4, a first splicing component 5, a second splicing component 6, a third splicing component 7 and a support frame 8; the main ladder body 1 includes two first vertical rods 11 arranged in parallel, and a number of first cross rods 12 arranged between the two first vertical rods 11; the first ladder body 2 includes two second vertical rods 21 arranged in parallel, and a second cross rod 22 for connecting the two second vertical rods 21, and a hoop 3 is provided on the second cross rod 22, and the hoop 3 can be fixed on the electric pole; the second ladder body 4 includes two third vertical rods 41 arranged in parallel, and a number of third cross rods 42 arranged between the two third vertical rods 41, and a number of second ladder bodies 4 are arranged between the main ladder body 1 and the first ladder body 2; the first splicing component 5 includes a threaded sleeve 51 provided at the top of the first vertical rod 11, an adjusting nut 52 threadedly connected to the threaded sleeve 51, a sleeve 53 rotatably connected to the adjusting nut 52, and a tightening sleeve 54 provided at the bottom of the third vertical rod 41, and a number of vertical grooves 541 are provided on the wall of the tightening sleeve 54, and the sleeve 53 is sleeved on the tightening sleeve 54, so that the tightening sleeve 54 wraps the joint of the first vertical rod 11 and the third vertical rod 41; the second splicing component 6 is arranged between the second vertical rod 21 and the third vertical rod 41; the third splicing component 7 is arranged between two adjacent third vertical rods 41; the top of the support frame 8 is hinged to the main ladder body 1, and its bottom is hinged with a telescopic frame 9, and one end of the telescopic frame 9 is connected to the bottom of the main ladder body 1.

[0036] During use, select an appropriate number of second ladder bodies 4 according to the climbing height, and sequentially splice the main ladder body 1, multiple second ladder bodies 4, and the first ladder body 2 into a long ladder. When splicing, align the third vertical rod 41 with the first vertical rod 11, insert the upper end of the third vertical rod 41 into the tightening sleeve 54, and then rotate the adjusting nut 52 so that the sleeve 53 is sleeved outside the tightening sleeve 54. The tightening sleeve 54 contracts inward under the extrusion of the sleeve 53, and the tightening sleeve 54 tightly holds the joint of the first vertical rod 11 and the third vertical rod 41 to complete the splicing of the main ladder body 1 and the second ladder body 4. Similarly, through the second splicing component 6 and the third splicing component 7, the splicing between the second ladder body 4 and the first ladder body 2, as well as between multiple second ladder bodies 4, can be completed.

[0037] After the insulating ladder is spliced, lean the insulating ladder against the electric pole where the maintenance operation is required, and open the support frame 8, adjust the telescopic frame 9 so that the main ladder body 1, the support frame 8 and the telescopic frame 9 form a stable triangular structure. Finally, fix the hoop 3 on the first ladder body 2 on the electric pole. Compared with the prior art, the use of the triangular structure support and the hoop 3 fixing structure can ensure high stability of the installation of the insulating ladder, avoid the situation of tipping during the operation, and moreover, the insulating ladder adopts a splicing structure, and each component after disassembly is convenient for transportation.

[0038] Among the above, the structures of the second splicing component 6 and the third splicing component 7 are both similar to the structure of the first splicing component 5, and specifically, reference can be made to the structure of the first splicing component 5 above.

[0039] It should be noted that all components of the spliced insulating ladder provided by the present utility model are made of insulating materials or coated with insulating coatings to achieve the insulating effect. Among them, the insulating materials and insulating coatings are both prior arts and will not be elaborated here.

[0040] In a preferred embodiment, refer to Figure 3 , a first splicing block 111 is provided at the top of the first vertical rod 11, and a second splicing block 411 is provided at the bottom of the third vertical rod 41. The first splicing block 111 and the second splicing block 411 can be spliced into a cylinder to improve the structural stability of the connection between the first vertical rod 11 and the second vertical rod 21.

[0041] In a preferred embodiment, refer to Figure 3 , the outer wall of the tightening sleeve 54 and the inner wall of the sleeve 53 are both in a conical structure. When the adjusting nut 52 is rotated, it is convenient to push the sleeve 53 towards the tightening sleeve 54. At the same time, under the action of the inner wall of the sleeve 53, the tightening sleeve 54 can be squeezed to tighten inward.

[0042] In a preferred embodiment, refer to Figure 4 , the hoop 3 includes a fixed block 31, a movable block 32 and a clamping clip 33. Two fixed blocks 31 are symmetrically arranged on the second cross bar 22, and two movable blocks 32 are symmetrically arranged and slidably arranged on the second cross bar 22; specifically, the second cross bar 22 includes an abutting portion and two sliding portions. The abutting portion is located between the two sliding portions, the abutting portion abuts against the pole wall portion, the fixed block 31 is arranged on the sliding portion, and the movable block 32 is slidably connected to the sliding portion. An adjusting screw 34 is threadedly connected to the fixed block 31, and the end of the adjusting screw 34 abuts against the movable block 32. By rotating the adjusting screw 34, the distance between the two clamping clips 33 can be adjusted, so that the two clamping clips 33 can tightly hold the pole. The clamping clip 33 is rotatably arranged on the movable block 32, and the rotation center line of the clamping clip 33 is parallel to the second cross bar 22. Through the above arrangement, when there is an included angle of any angle between the insulating ladder and the pole, the clamping clip 33 can swing to a horizontal state, further improving the stability of the clamping clip 33 for tightly holding the pole.

[0043] In a preferred embodiment, refer to Figure 5 、 6 , the support frame 8 includes two parallel fourth vertical rods 81 and a plurality of fourth cross bars 82 arranged between the two fourth vertical rods 81. An articulated seat 83 is provided between the top ends of the fourth vertical rods 81 and the first vertical rod 11. After the support frame 8 is unfolded, the support frame 8, the main ladder body 1 and the telescopic frame 9 form an approximate isosceles triangle, so that the telescopic frame 9 is parallel to the ground.

[0044] Preferably, the distances between adjacent two first crossbars 12, between adjacent two third crossbars 42, and between adjacent two fourth crossbars 82 are all equal, which is conducive to the operator climbing on the insulating ladder.

[0045] It should be noted that the length of the hinge seat 83 matches the thickness of the telescopic frame 9, so that after the support frame 8 and the telescopic frame 9 are folded, the main ladder body 1 is parallel to the support frame 8 for easy storage.

[0046] Furthermore, a hook 13 is provided on the first vertical rod 11, a latch 84 is provided on the fourth vertical rod 81, and a groove cooperating with the latch 84 is formed on the hook 13. In the folded state, the groove on the hook 13 is clamped on the latch 84 to lock the positions of the support frame 8 and the telescopic frame 9.

[0047] In a preferred embodiment, referring to Figure 5 , the telescopic frame 9 includes a first connecting frame 91 and a second connecting frame 92 which are slidably connected to each other, and the first connecting frame 91 is locked with the second connecting frame 92 by a fastening screw 93. One end of the first connecting frame 91 is hinged to the support frame 8, and one end of the second connecting frame 92 is connected to the main ladder body 1. Specifically, both the first connecting frame 91 and the second connecting frame 92 are in an H-shaped structure. The first connecting frame 91 is sleeved inside the second connecting frame 92. A strip-shaped hole 921 is provided on the wall of the second connecting frame 92, and the fastening screw 93 slides along the strip-shaped hole 921. After the first connecting frame 91 and the second connecting frame 92 are adjusted to appropriate positions, the fastening screw 93 is screwed in to fix their positions.

[0048] Preferably, height-adjustable foot cups 97 are provided at the bottom of the second connecting frame 95 away from the support frame 8 and at the bottom of the first connecting frame 91 away from the main ladder body 1. The height-adjustable foot cups 97 support the ground to further improve the stability of the placement of the insulating ladder.

[0049] Furthermore, a U-shaped clamping block 94 is provided at the end of the second connecting frame 92, a jack 112 is provided at the bottom of the first vertical rod 11, a pin 95 that can be inserted into the jack 112 is provided on the U-shaped clamping block 94, and a spring 96 is provided between the pin 95 and the U-shaped clamping block 94. When connecting, the pin 95 is pulled outwards, the spring 96 is compressed, and then the U-shaped clamping block 94 is clamped onto the first vertical rod 11. The pin 95 is inserted into the jack 112 under the action of the resilience of the spring 96, and the connection between the telescopic frame 9 and the main ladder body 1 is completed, which is convenient and fast.

[0050] Specifically, an installation seat 941 is provided on the U-shaped clamping block 94, the pin 95 is slidably connected to the installation seat 941, a retaining ring 951 is provided on the pin 95, and the spring 96 is provided between the retaining ring 951 and the inner wall of the installation seat 941.

[0051] In a preferred embodiment, referring toFigure 7 , 8 , further comprising a folding chair 10, the folding chair 10 includes two V-shaped frames 101 arranged in parallel, a scissor assembly 102 disposed between the two V-shaped frames 101, and a soft cloth connected to the two V-shaped frames 101. The two ends of the V-shaped frame 101 are respectively clamped to two adjacent third cross bars 42. Among them, the soft cloth is not drawn in the drawings. After the scissor assembly 102 is unfolded, the soft cloth is laid flat on the scissor assembly 102, and then the two ends of the V-shaped frame 101 are respectively and correspondingly clamped onto the two third cross bars 42 to realize the installation of the folding chair 10. After standing on the insulating ladder for a long time, the operator can take a short rest through the folding chair 10. In addition, the folding chair 10 is of a folding structure and can be installed on any third cross bar 42, with strong flexibility in use.

[0052] Specifically, the scissor assembly 102 includes two hinged connecting rods. One end of the connecting rod is hinged to the corner position of a V-shaped frame 101, and the other end of the connecting rod is hinged with a slider, and the slider is slidably connected to the other V-shaped frame 101. Through the above settings, the unfolding and folding of the folding chair 10 can be realized.

[0053] To realize the clamping connection between the V-shaped frame 101 and the third cross bar 42, a U-shaped notch 105 is opened at the end of the V-shaped frame 101, and the U-shaped notch 105 can be clamped onto the third cross bar 42.

[0054] Further, referring to Figure 7 , 8 , a plug 103 is provided on one V-shaped frame 101, that is, the plug 103 is located in the U-shaped notch 105, and a slot 104 cooperating with the plug 103 is provided on each third cross bar 42. When placing and folding, the plug 103 should be corresponding to the slot 104. After the plug 103 is inserted into the slot 104, the folding chair 10 can be prevented from sliding along the third cross bar 42, thereby improving the installation stability of the folding chair 10 and further ensuring the safety of the operator sitting on the folding chair 10.

[0055] In the above, the folding chair 10 can be placed not only on the third cross bar 42 for use, but also on the first cross bar 12 for use.

[0056] It can be understood that for those of ordinary skill in the art, equivalent substitutions or changes can be made according to the technical solutions and the inventive concept of the present invention, and all such changes or substitutions should fall within the protection scope of the present invention.

Claims

1. A spliced ​​insulating ladder, characterized in that: include: The main ladder body comprises two first vertical rods arranged in parallel, and a plurality of first horizontal rods arranged between the two first vertical rods; The first ladder body comprises two second vertical rods arranged in parallel and a second cross rod for connecting the two second vertical rods, wherein the second cross rod is provided with a clamp, and the clamp can be fixed on the electric pole; The second ladder body comprises two third vertical rods arranged in parallel and a plurality of third horizontal rods arranged between the two third vertical rods, and a plurality of second ladder bodies are arranged between the main ladder body and the first ladder body; The first splicing assembly includes a threaded sleeve arranged at the top of the first vertical rod, an adjusting nut threadedly connected to the threaded sleeve, a sleeve rotatably connected to the adjusting nut, and a tightening sleeve arranged at the bottom of the third vertical rod, the wall of the tightening sleeve is provided with a plurality of vertical grooves, and the sleeve is sleeved on the tightening sleeve so that the tightening sleeve wraps the connection between the first vertical rod and the third vertical rod; A second splicing assembly is disposed between the second vertical rod and the third vertical rod; A third splicing assembly is provided between two adjacent third vertical rods; The top of the support frame is hinged to the main ladder body, and the bottom of the support frame is hinged to a telescopic frame, one end of which is connected to the bottom of the main ladder body.

2. The spliced ​​insulating ladder according to claim 1, characterized in that: A first assembly block is disposed on the top of the first vertical rod, and a second assembly block is disposed on the bottom of the third vertical rod. The first assembly block and the second assembly block can be assembled into a cylinder.

3. The spliced ​​insulating ladder according to claim 1, characterized in that: The outer wall of the tightening sleeve and the inner wall of the sleeve are both in a conical structure.

4. The spliced ​​insulating ladder according to claim 1, characterized in that: The clamp includes a fixed block, a movable block and a clamp, the two fixed blocks are symmetrically arranged on the second cross bar, the two movable blocks are symmetrically arranged and slidably arranged on the second cross bar, the fixed blocks are threadedly connected with adjusting screws, the ends of the adjusting screws abut against the movable blocks, and the clamps are rotatably arranged on the movable blocks, and the rotation center line of the clamps is parallel to the second cross bar.

5. The spliced ​​insulating ladder according to claim 1, characterized in that: The support frame comprises two fourth vertical rods arranged in parallel and a plurality of fourth cross rods arranged between the two fourth vertical rods. A hinge seat is arranged between the top end of the fourth vertical rod and the first vertical rod.

6. The spliced ​​insulating ladder according to claim 5, characterized in that: The first vertical rod is provided with a hook, the fourth vertical rod is provided with a clamping rod, and the hook is provided with a groove matched with the clamping rod.

7. The spliced ​​insulating ladder according to claim 1, characterized in that: The telescopic frame includes a first connecting frame and a second connecting frame which are slidably connected to each other, and the first connecting frame is locked with the second connecting frame by fastening screws, one end of the first connecting frame is hinged to the supporting frame, and one end of the second connecting frame is connected to the main ladder body.

8. The spliced ​​insulating ladder according to claim 7, characterized in that: A U-shaped block is provided at the end of the second connecting frame, a plug hole is provided at the bottom of the first vertical rod, a latch that can be inserted into the plug hole is provided on the U-shaped block, and a spring is provided between the latch and the U-shaped block.

9. The spliced ​​insulating ladder according to claim 1, characterized in that: The invention also comprises a folding chair, which comprises two V-shaped frames arranged in parallel, a scissor assembly arranged between the two V-shaped frames, and soft cloth connected with the two V-shaped frames, wherein two ends of the V-shaped frame are respectively connected with two adjacent third cross bars.

10. The spliced ​​insulating ladder according to claim 9, characterized in that: An insert block is arranged on one of the V-shaped frames, and a slot matched with the insert block is arranged on each of the third cross bars.

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