CN218563560U - Folding hanging ladder for electric power construction - Google Patents

Abstract

The utility model relates to an electric power construction is with folding cat ladder that articulates, wherein the bench ladder section both sides and the lower ladder section both sides all are equipped with the handrail, are equipped with the handrail side lever on the handrail, go up bench ladder section both sides side lever on with all be equipped with concave type free bearing on the lower ladder section both sides side lever, just handrail side lever tip rotates to be installed in corresponding concave type free bearing, goes up bench ladder section both sides side lever on and all is equipped with the bench slide on the lower ladder section both sides side lever, all is equipped with spacing crossbeam on going up bench section and the lower ladder section, the spacing crossbeam both ends all are equipped with ejector pin portion and sliding shaft, and wherein the sliding shaft slides along the bench section spout that corresponds, and ejector pin portion gets into in corresponding concave type free bearing's opening and offsets with the handrail side lever that corresponds, and the spacing crossbeam both ends all are equipped with the telescopic briquetting, are equipped with spacing fixture block on the handrail, and when the handrail is packed up, spacing fixture block card is arranged in corresponding briquetting. The utility model discloses it is spacing to utilize spacing crossbeam to realize both sides handrail, and the operation is simple and convenient more to go up the bench and still keep fixed after the bench is folded down.

Description

Folding hanging ladder for electric power construction

Technical Field

The utility model belongs to the technical field of the electric power construction technique and specifically relates to an electric power construction is with folding cat ladder that articulates.

Background

The ladder stand is a construction auxiliary tool commonly used in power construction, which can help constructors to perform climbing operation or work below the ground surface, and for convenience in carrying, a folding ladder stand appears in the prior art, for example, a foldable safety ladder stand for power construction is disclosed in a patent with an authorization publication number of CN213330864U, the ladder stand can be folded, both sides of an upper climbing frame and both sides of a lower climbing frame are respectively provided with a rotatable handrail so as to improve construction safety, but the lower end of the handrail of the ladder stand is positioned by using a fixing pin, but in the process of horizontal dumping and transferring after the ladder stand is folded, the fixing pin is easy to drop, if the fixing pin is replaced by a bolt which is not easy to drop, the constructors are required to respectively screw corresponding bolts to realize fastening, and the operation is relatively complicated. In addition, the hinged position of the crawling ladder is fixed only through the convex block and the groove structure, the crawling ladder can be firmly supported when unfolded, the climbing frame and the descending frame are still in a free rotating state when the crawling ladder is folded, and accidents are easy to happen during carrying.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electric power construction is with folding cat ladder that articulates, it utilizes spacing crossbeam to realize that the both sides handrail is spacing, and it is more simple and convenient to operate to the hinge assembly of adoption still can realize both fixings after last bench and lower bench are folding, thereby avoids meeting accident in the cat ladder handling.

The purpose of the utility model is realized through the following technical scheme:

the utility model provides an electric power construction is with folding cat ladder that articulates, includes peg, upper ladder section, lower ladder section and antiskid lower margin, wherein upper ladder section upper end is equipped with the peg, and upper ladder section lower extreme passes through hinge assembly with lower ladder section upper end and is connected, and lower ladder section lower extreme articulates there is the antiskid lower margin, upper ladder section both sides and lower ladder section both sides all are equipped with the handrail, be equipped with handrail side lever on the handrail, upper ladder section both sides side lever on and all be equipped with concave type free bearing on the lower ladder section both sides side lever, just handrail side lever tip rotates installs in corresponding concave type free bearing, upper ladder section both sides side lever on and all be equipped with the ladder section spout on the lower ladder section both sides side lever, all be equipped with spacing crossbeam on upper ladder section and the lower ladder section, and spacing crossbeam both ends all are equipped with ejector pin portion and sliding shaft, wherein the sliding shaft slides along the corresponding ladder section spout, ejector pin portion gets into the opening that corresponds concave type free bearing and offsets with the corresponding handrail side lever, spacing crossbeam both ends all are equipped with the telescopic briquetting, be equipped with spacing briquetting on the fixture block, and when the handrail was packed in, the spacing briquetting was corresponded in.

The limiting cross beam comprises a cross beam body, a top shaft, a spring and a pressing block, wherein the cross beam body comprises a supporting rod part, a connecting rod part and a top rod part, the two ends of the supporting rod part are connected with the top rod part corresponding to the side through the connecting rod part respectively, the sliding shaft is arranged at the shaft end of the supporting rod part, the top shaft is movably arranged on the connecting rod part, the front end of the top shaft is provided with the pressing block, and the spring is sleeved on the top shaft between the connecting rod part and the pressing block.

The upper plate of the concave hinged support is provided with an opening for the ejector rod part to go in and out, and the lower plate of the concave hinged support is flush with the lowest position of the corresponding bench sliding groove.

The hinge assembly comprises a first hinge plate, a second hinge plate and a fixing piece, the first hinge plate and the second hinge plate are fixed at the ends of different ladder sections and are hinged through hinge shafts, first through holes and second through holes are formed in the first hinge plate and the second hinge plate, when the upper ladder section and the lower ladder section are unfolded, the first through holes in the different hinge plates are overlapped and supply for the insertion of the fixing piece, and when the upper ladder section and the lower ladder section are folded, the second through holes in the different hinge plates are overlapped and supply for the insertion of the fixing piece.

When going up the bench and expanding with lower bench, the coincidence of first through-hole on the different articulated slab and with the articulated shaft is in on the same water flat line, when going up the bench and folding with lower bench, the coincidence of second through-hole on the different articulated slab and with the articulated shaft is in on the same vertical line.

The utility model discloses a ladder section, including last bench, peg, locking hole, locking piece, last bench, side lever upper end, peg upper end is equipped with the couple, the peg lower extreme inserts go up the side lever upper end that the bench corresponds the side, just the peg lower extreme is equipped with the locking hole go up the side lever upper end of bench is equipped with a plurality of adjustment holes, works as when the peg position is confirmed, a retaining member passes locking hole and corresponding adjustment hole.

The utility model discloses an advantage does with positive effect:

1. the utility model discloses when lifting up spacing crossbeam to the highest point of bench slide, spacing crossbeam's ejector pin portion no longer offsets spacingly with handrail side lever, and the handrail can realize rotating and pack up to spacing crossbeam's connecting rod portion is equipped with compressible briquetting, and the back is packed up to the handrail, and the briquetting that corresponds is arranged in to spacing fixture block card on the handrail, the briquetting pushes up tight handrail under spring action and prescribes a limit to its displacement, and when needs open the handrail, the operation personnel only need promote backward briquetting compression spring make it break away from spacing fixture block can, it is simple and convenient more to operate.

2. The utility model discloses open the back completely at the handrail, limit beam receives action of gravity can fall down to the lower of bench spout automatically, and limit beam's ejector pin portion offsets with the handrail side lever again and cooperates the curb plate of concave type free bearing closed side to inject the handrail displacement this moment to because limit beam's sliding shaft is located the lower of spout and obtains the support, does not influence the operation personnel and tramples limit beam climbs the cat ladder.

3. The utility model discloses special shape is designed into to first articulated slab and the second articulated slab of articulated subassembly, can guarantee to go up bench and lower bench folding back complete parallel, and after two bench folding, the second through-hole coincidence on two articulated slabs just is in same vertical line with the articulated shaft, can realize going up bench and lower bench fold condition down fixed in inserting the second through-hole on two articulated slabs with the mounting this moment to avoid meeting accident in the cat ladder handling.

Drawings

FIG. 1 is a schematic view of the structure of the present invention,

figure 2 is an enlarged view at a in figure 1,

figure 3 is a schematic view of the position-limiting beam in figure 2 when lifted,

figure 4 is a schematic view of the rotation of the side bars of the handrail of figure 2,

figure 5 is a schematic view of the hinge assembly of figure 1,

figure 6 is a schematic view of the hinge assembly of figure 1 after the ladder is folded,

figure 7 is a schematic view of the anti-skid foot of figure 1,

figure 8 is a schematic view of the hanging rod structure of figure 1,

fig. 9 is a schematic view of the internal structure of the limiting seat in fig. 4.

The device comprises a hanging rod 1, a hook 101, a locking member 102, an upper stair section 2, an adjusting hole 201, a hinge assembly 3, a first hinge plate 301, a second hinge plate 302, a fixing member 303, a hinge shaft 304, a second through hole 305, a first through hole 306, a lower stair section 4, an anti-slip anchor 5, a base 501, an anti-slip groove 5011, a hinge seat 502, a hinge hole 503, a limiting cross beam 6, a cross beam body 601, a top rod portion 6011, a connecting rod portion 6012, a supporting rod portion 6013, a sliding shaft 6014, a stair section sliding groove 602, a pressing block 603, a limiting seat 604, a spring 605, a top shaft 606, a limiting sliding block 607, a handrail 7, a handrail side rod 701, a concave hinge seat 702, a connecting shaft 703 and a limiting clamping block 704.

Detailed Description

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

As shown in fig. 1-9, the utility model discloses a peg 1, go up terraced section 2, lower terraced section 4 and antiskid lower margin 5, wherein go up 2 upper ends of terraced section and be equipped with peg 1, go up 2 lower extremes of terraced section and be connected through articulated subassembly 3 with 4 upper ends of lower terraced section, lower terraced section 4 lower extreme articulates there is antiskid lower margin 5, as shown in fig. 1-4, go up 2 both sides of terraced section and lower terraced section 4 both sides all are equipped with handrail 7, be equipped with handrail side lever 701 on handrail 7, go up on 2 both sides side lever of terraced section and all be equipped with concave type free bearing 702 on 4 both sides side lever of lower terraced section, just handrail side lever 701 tip rotates through the hinge and installs in the concave type free bearing 702 that corresponds, like this handrail 7 alright realize rotating, go up on 2 both sides side lever of terraced section and all be equipped with terraced section spout 602 on 4 both sides side lever of lower terraced section 4, all be equipped with spacing crossbeam 6 on 2 and the lower terraced section 4 to spacing crossbeam 6 both ends all are equipped with concave type 6011 and the slide shaft 4, wherein slide shaft 4 along the corresponding terraced section 6011 of handrail 6017 slide bar, and then the displacement that the corresponding recess 6017 gets into the displacement of roof bar 6017 and the displacement that the handrail section is corresponding is injectd. As shown in fig. 2-4, during the use of the utility model, will limiting beam 6 lifts up to the highest point of bench slide groove 602, this moment limiting beam 6's ejector pin portion 6011 no longer offsets spacingly with handrail side lever 701, and handrail 7 can realize rotating and pack up, and when handrail 7 was opened, limiting beam 6 received the action of gravity can fall automatically extremely the lowest of bench slide groove 602, this moment limiting beam 6's ejector pin portion 6011 offsets and cooperates the curb plate of concave hinge seat 702 closed side with handrail side lever 701 again and prescribes handrail 7 displacement to because limiting beam 6's slide axis 6014 is located the lowest of bench slide groove 602 obtains supporting, does not influence the operation personnel and tramples limiting beam 6 climbs the cat ladder. The number and the position of the limiting cross beams 6 can be set according to actual needs.

As shown in fig. 2 to 4 and 9, the limiting beam 6 includes a beam body 601, a top shaft 606, a spring 605 and a pressing block 603, wherein the beam body 601 includes a supporting rod portion 6013, a connecting rod portion 6012 and a top rod portion 6011, two ends of the supporting rod portion 6013 are respectively connected to the top rod portion 6011 on the corresponding side through the connecting rod portion 6012, so that the beam body 601 forms a concave structure, the sliding shaft 6014 is disposed at an end of the supporting rod portion 6013, the top shaft 606 is movably disposed on the connecting rod portion 6012, the pressing block 603 is disposed at a front end of the top shaft 606, the pressing block 603 is disposed in a recess of the beam body 601, the spring 605 is sleeved on the top shaft 606 between the connecting rod portion 6012 and the pressing block 603, as shown in fig. 3 to 4, a limiting block 704 is disposed on the armrest 7, when the armrest 7 is turned over and retracted, the limiting block 704 enters the recess of the beam body 601 and is clamped in the corresponding pressing block 603, the pressing block 603 is tightly pushed by the spring 603 to limit the armrest 7 and prevent the armrest 7 from moving, and when the armrest 7 needs to be opened, the armrest 7, the armrest may be more easily operated by a person who needs to push the pressing block 704 to push the pressing block 603.

As shown in fig. 4 and 9, in this embodiment, a limiting seat 604 is disposed on the connecting rod portion 6012, the rear end of the top shaft 606 is inserted into the limiting seat 604, a limiting slider 607 is disposed at the rear end of the top shaft 606 and is disposed in the limiting seat 604, and the limiting slider 607 is in sliding fit with the limiting seat 604 to ensure that the top shaft 606 and the pressing block 603 move linearly, and simultaneously to prevent the top shaft 606 from separating from the limiting seat 604. The utility model discloses can also select the apical axis 606 mounting structure of other forms according to actual need.

As shown in fig. 2 to 3, an upper plate of the concave hinge base 702 may be provided with an opening as needed for the top rod portion 6011 to move in or out, and a lower plate of the concave hinge base 702 may be flush with the lowest position of the bench sliding groove 602 to assist in supporting the position-limiting beam 6.

As shown in fig. 5 to 6, the hinge assembly 3 includes a first hinge plate 301, a second hinge plate 302 and a fixing member 303, and the first hinge plate 301 and the second hinge plate 302 are fixed to different ladder sections, in this embodiment, the first hinge plate 301 is fixed to the lower end of the upper ladder section 2, the second hinge plate 302 is fixed to the upper end of the lower ladder section 4, the first hinge plate 301 and the second hinge plate 302 are hinged by a hinge shaft 304, and a first through hole 306 and a second through hole 305 are provided in each of the first hinge plate 301 and the second hinge plate 302, wherein when the upper ladder section 2 and the lower ladder section 4 are unfolded, the first through holes 306 of the two hinge plates are overlapped and located on the same horizontal line with the hinge shaft 304, the fixing member 303 is inserted into the first through holes 306 of the two hinge plates to fix the upper ladder section 2 and the lower ladder section 4 in the unfolded state, as shown in fig. 6, after the fixing member 303 is pulled out from the first through hole 306, the upper ladder section 2 and the lower ladder section 4 can be folded in a special shape, and the fixing member 305 can be inserted into the hinge shaft 304, and the two hinge plates can be folded in a special shape, and the upper ladder section 2 and the second through holes 305 can be completely folded in a vertical direction. The fixing element 303 may be a pin or a bolt, and as shown in fig. 5 to 6, in this embodiment, two first hinge plates 301 are disposed at the lower end of the upper ladder section 2, and a second hinge plate 302 is disposed at the upper end of the lower ladder section 4, and the second hinge plate 302 is inserted between the two first hinge plates 301, so that the two ladder sections are not affected by the rotation and folding of the two ladder sections.

As shown in fig. 7, in this embodiment, the anti-skid feet 5 include a base 501 and hinge seats 502 disposed on the base 501, the lower side of the base 501 contacts with the ground, anti-skid grooves 5011 are uniformly distributed on the lower side of the base 501 to increase friction force, so as to ensure firm support, hinge holes 503 are disposed on the hinge seats 502, the lower ends of the vertical rods on two sides of the lower ladder section 4 are respectively hinged to the hinge seats 502 of the anti-skid feet 5 on the corresponding side through hinge shafts, and the hinge shafts pass through the hinge holes 503.

As shown in fig. 1 and 8, go up 2 upper ends of bench and be equipped with the peg 1 of scalable adjustment, 1 upper ends of peg are equipped with couple 101 and are used for realizing articulating fixedly, 1 lower extreme of peg inserts go up the side lever upper end that bench 2 corresponds the side, just 1 lower extreme of peg is equipped with the locking hole go up 2 pole setting upper end of bench and be equipped with a plurality of adjustment holes 201, and work as when peg 1 position is confirmed, peg 1 pass corresponding adjustment hole 201 through a retaining member 102 with the locking hole is realized and is linked firmly with last bench 2 corresponding side pole upper end, retaining member 102 can adopt elements such as bolt, the flexible adjustment of peg 1 can be applicable to the subaerial operation of the different degree of depth.

In addition, as shown in fig. 1, when the ladder stand is unfolded, the handrail 7 on the upper ladder section 2 and the handrail 7 on the lower ladder section 4 can be connected through a connecting shaft 703, and the structure is the same as that of patent CN 213330864U.

The utility model discloses a theory of operation does:

the utility model relates to an articulate cat ladder, the same with patent CN213330864U is the utility model discloses an it all is equipped with rotatable handrail 7 with 4 both sides of lower ladder section to go up ladder section 2, nevertheless the utility model discloses it is spacing to utilize limiting beam 6 to realize handrail 7, specifically does: as shown in fig. 2-4, the utility model discloses during the use, will spacing crossbeam 6 lifts up to the highest point of bench slide groove 602, this moment the ejector pin portion 6011 of spacing crossbeam 6 no longer offsets spacingly with handrail side lever 701, and handrail 7 can realize rotating and pack up, and connecting rod portion 6012 of spacing crossbeam 6 is equipped with telescopic briquetting 603, as shown in fig. 4, back is packed up to handrail 7, spacing fixture block 704 card on handrail 7 is arranged in corresponding briquetting 603, briquetting 603 is tight handrail 7 in the top under the spring 605 effect to inject its displacement and prevent to open, when handrail 7 is opened to needs, the operating personnel only need to promote briquetting 603 compression spring 605 backward and make it break away from spacing fixture block 704 can, the operation is more simple and convenient, and after handrail 7 is opened completely, spacing crossbeam 6 receives the action of gravity (also can stir through the operating personnel) can fall automatically and down to the lowest of bench slide chute 602, and this moment ejector pin portion 6011 of spacing crossbeam 6 again with handrail 701 and cooperate concave type to offset the sealed side seat of concave type to inject handrail seat and stir the displacement and trample the displacement because the displacement of ladder is located by the staff support side lever 6016 the spacing crossbeam 602, the operation does not trample the support.

In addition, as shown in fig. 5 to 6, the hinge assembly 3 of the present invention includes a first hinge plate 301, a second hinge plate 302 and a fixing member 303, the first hinge plate 301 and the second hinge plate 302 are designed into a special shape, so as to ensure that the upper ladder section 2 and the lower ladder section 4 are completely parallel after being folded, after the two ladder sections are folded, the second through holes 305 on the two hinge plates coincide and are located on the same vertical line with the hinge shaft 304, and at this time, the fixing member 303 is inserted into the second through holes 305 on the two hinge plates, so as to realize the fixation of the upper ladder section 2 and the lower ladder section 4 in a folded state, thereby avoiding accidents occurring in the ladder transportation process.

Claims (6)

1. The utility model provides an electric power construction is with folding cat ladder that articulates, includes peg, upper stair section, lower stair section and antiskid lower margin, wherein upper stair section upper end is equipped with the peg, and upper stair section lower extreme passes through hinge assembly with lower stair section upper end to be connected, and lower stair section lower extreme articulates there is antiskid lower margin, its characterized in that: the handrail-retractable combined ladder is characterized in that handrails (7) are arranged on two sides of the upper ladder section (2) and two sides of the lower ladder section (4), handrail side rods (701) are arranged on the handrails (7), concave hinge seats (702) are arranged on the side rods on two sides of the upper ladder section (2) and the side rods on two sides of the lower ladder section (4), the ends of the handrail side rods (701) are rotatably installed in the corresponding concave hinge seats (702), ladder section sliding grooves (602) are arranged on the side rods on two sides of the upper ladder section (2) and the side rods on two sides of the lower ladder section (4), limiting cross beams (6) are arranged on the upper ladder section (2) and the lower ladder section (4), ejector rod parts (6011) and sliding shafts (6014) are arranged at two ends of the limiting cross beams (6), the sliding shafts (6014) slide along the corresponding ladder section sliding grooves (602), the ejector rod parts (6011) enter openings of the corresponding concave hinge seats (702) and abut against the corresponding handrails (701), pressing blocks (603) are arranged at two ends of the handrail cross beams (6), and pressing blocks (603) and a telescopic pressing block (704) are arranged on the handrail section (7) and the telescopic side rods (704) and the pressing block (704) is arranged on the telescopic handle.

2. The folding hanging ladder stand for power construction according to claim 1, characterized in that: spacing crossbeam (6) include crossbeam body (601), apical axis (606), spring (605) and briquetting (603), wherein crossbeam body (601) are including ejector rod portion (6013), connecting rod portion (6012) and ejector rod portion (6011), ejector rod portion (6011) that supporting rod portion (6013) both ends are respectively through connecting rod portion (6012) with correspond the side link to each other ejector rod portion (6011), slide shaft (6014) are located supporting rod portion (6013) axle head, apical axis (606) movably locate on connecting rod portion (6012), and apical axis (606) front end is equipped with briquetting (603) the cover is equipped with spring (605) on apical axis (606) between connecting rod portion (6012) and briquetting (603).

3. The folding hanging ladder for power construction according to claim 1, characterized in that: an opening for the ejector rod part (6011) to go in and out is formed in the upper plate of the concave hinged support (702), and the lower plate of the concave hinged support (702) is flush with the lowest position of the corresponding ladder section sliding groove (602).

4. The folding hanging ladder for power construction according to claim 1, characterized in that: the hinge assembly (3) comprises a first hinge plate (301), a second hinge plate (302) and a fixing piece (303), the first hinge plate (301) and the second hinge plate (302) are fixed at the end parts of different ladder sections and hinged through a hinge shaft (304), a first through hole (306) and a second through hole (305) are formed in the first hinge plate (301) and the second hinge plate (302), when the upper ladder section (2) and the lower ladder section (4) are unfolded, the first through holes (306) in the different hinge plates are overlapped and used for the fixing piece (303) to insert, and when the upper ladder section (2) and the lower ladder section (4) are folded, the second through holes (305) in the different hinge plates are overlapped and used for the fixing piece (303) to insert.

5. The folding hanging ladder stand for power construction according to claim 4, characterized in that: when going up bench (2) and down bench (4) and expanding, first through-hole (306) coincidence on the different hinged plates and with articulated shaft (304) are in same horizontal line, when going up bench (2) and down bench (4) folding, second through-hole (305) coincidence on the different hinged plates and with articulated shaft (304) are in same vertical line.

6. The folding hanging ladder for power construction according to claim 1, characterized in that: peg (1) upper end is equipped with couple (101), peg (1) lower extreme inserts go up the side lever upper end that bench (2) correspond the side, just peg (1) lower extreme is equipped with the locking hole go up the side lever upper end of bench (2) and be equipped with a plurality of adjustment holes (201), work as when peg (1) position is confirmed, retaining member (102) pass locking hole and corresponding adjustment hole (201).

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