CN205259932U - Erect ladder device of crawling - Google Patents

Abstract

The utility model discloses an erect ladder device of crawling, it includes the support frame, and the medial surface of support frame is equipped with can follow the gyro wheel that slides about the ladder of creeping, and the lower part of support frame is equipped with and is taken the device, is equipped with on the support frame to order about gyro wheel orbital antichattering system that keeps sliding, the gallows of stretching on sliding connection has on the support frame and being connected with hoisting accessory power is equipped with on and is equipped with tractive top spring between upper surface and the support frame of base and base, be connected with the insurance on the gallows and collude the claw, the insurance collude the claw include the lower part turning arm section and upper portion stretch out inwards and with erect that terraced crossbeam corresponds the setting collude the claw section, the middle part of turning arm section is passed through the hinge and is cut with scissors and adorn on the gallows, is equipped with between turning arm section and the support frame to order about the turning arm section and wind the elasticity drive arrangement of hinge upset. The utility model discloses can carry people or heavy object and slideed along the ladder of crawling, have simple structure, safe, the reliable advantage effect of operation.

Description

A kind of cat ladder crawling device

Technical field

The utility model relates to a kind of cat ladder crawling device.

Background technology

In piping shaft, building wall outside, wind power plant, be equipped with creeping ladder, creeping ladder vertically arranges along metope, if the height of above-mentioned creeping ladder is higher, while needing personnel's carrying implement ascend operation, operator is difficult to carrying implement and creeps, and creep speed is slow, waste time and energy and have potential safety hazard.

For example, in the time need to carrying out maintenance maintenance for the top facility of wind power plant, need personnel's carrying implement to creep along the creeping ladder in wind-power electricity generation cylinder, and need cingulum safe to carry simultaneously, creep after certain distance, need be by buckle-up spiral-lock on creeping ladder, creep speed is wasted time and energy slowly and extremely, existing equipment also cannot carry personnel and creep safely along above-mentioned creeping ladder, if use separately boom hoisting and hanging basket to hang, easily produce to rock and wait steady phenomenon, safety coefficient is low.

Utility model content

The technical problems to be solved in the utility model is to provide a kind of for above-mentioned defect can slide and the cat ladder crawling device with self-protection function simple in structure along creeping ladder is manned.

In order to solve the problems of the technologies described above, the utility model provides a kind of cat ladder crawling device of following structure, it comprises bracing frame, its design feature is: the medial surface of support frame as described above is equipped with can be along the roller of the upper and lower slippage of creeping ladder, Riding Accommodation is equipped with in the bottom of bracing frame, on bracing frame, be equipped with and order about the antichattering system that roller keeps sliding rail, on support frame as described above, slidably connect the suspension bracket of stretching and being connected with boom hoisting power, suspension bracket is provided with between the upper surface of base and base and bracing frame and is provided with tractive top spring, on suspension bracket, be connected with insurance and hook pawl, insurance hooks the hook pawl section that pawl comprises stretching out of the connecting lever section of bottom and top and setting corresponding to cat ladder crossbeam inwardly, the middle part of connecting lever section is cut with scissors and is contained on suspension bracket by hinge, between connecting lever section and bracing frame, be equipped with and order about the flexible drive device of connecting lever section around described hinge upset.

Adopt after said structure, drive suspension bracket by boom hoisting, because can making bracing frame, the effect of tractive top spring upwards moves along creeping ladder with boom hoisting with suspension bracket, operator can be sitting on Riding Accommodation, the setting of antichattering system can make above-mentioned operation more steady, in the time that boom hoisting breaks down, due to the existence of tractive top spring, can make bracing frame moment be failure to actuate, suspension bracket falls, in the time there is relative sliding between suspension bracket and bracing frame, flexible drive device can order about connecting lever section and overturn around hinge, the hook pawl section that makes insurance hook pawl is caught the crossbeam of creeping ladder, thereby this crawling device and creeping ladder are linked together, ensure occupant's safety, after fault completes or when initial start, the boom hoisting suspension bracket of first slinging, suspension bracket could make occupant move along creeping ladder with bracing frame along bracing frame slippage certain distance under the effect of tractive top spring, now, flexible drive device is stressed, connecting lever section will hook pawl section around hinge upset and depart from crossbeam. can find out by foregoing description, the utility model can boom hoisting hang action with under occupant is slided along creeping ladder, and can ensure that occupant's safety appears ensureing under abnormal conditions in boom hoisting completely, it is simple in structure, safety coefficient is high.

The both sides correspondence of bracing frame medial surface is hinged with spaced multiple floating shelf from top to bottom, between floating shelf and bracing frame, top pressure spring is housed, described roller is established altogether multiple and is rotatably connected on respectively on floating shelf, described antichattering system comprises the magnetic adsorbent being connected on floating shelf, the multiple directive wheels that are positioned at magnetic adsorbent both sides and are made up of non-magnet material are housed on floating shelf, between the inner surface of described magnetic adsorbent and creeping ladder, are provided with gap.

Flexible drive device comprises the support column that is connected to connecting lever section, bracing frame is provided with positioning boss, driving spring between support column and bracing frame, the top of support column is slidably connected on positioning boss and is swingable, and the top of support column is provided with the block being pressed against on positioning boss.

Roller on the floating shelf on both sides is symmetrical arranged and roller diminishes gradually from diameter outside to inside.

On base, be equipped with drift than the drift of tractive top spring short and elastic load than the large buffer spring of elastic load of tractive top spring.

On suspension bracket, be connected with between the upper and lower every at least two insurances hook pawls, insurance hooks on pawl and is connected with and prevents the excessively upset bumping post of upset of described connecting lever section.

Cat ladder crawling device also comprises the steel wire rope that is suspended on eminence and freely hangs down, described boom hoisting comprise creep along steel wire rope from lowering or hoisting gear.

Comprise the frame being fixedly connected with suspension bracket from lowering or hoisting gear, in frame, be provided with by power set and drive the active duplex chain wheel rotating, frame is provided with the long arc-shaped holes arranging away from active duplex chain wheel, in frame, be rotatably connected to the floating axle being installed in long arc-shaped holes, driven duplex chain wheel is housed on floating axle, main, on driven duplex chain wheel, be engaged with ring chain, one end of described frame is hinged with corresponding two connecting levers that arrange, a support arm correspondence of two connecting levers is sleeved on floating axle, frame inner side is provided with at least two duplex chain wheels of creeping that engage with ring chain between active duplex chain wheel and driven duplex chain wheel and outside ring chain ring, creep and be wound with one end on duplex chain wheel and pass between duplex chain wheel from ring chain and near creeping of duplex chain wheel initiatively, the other end is from the steel wire rope of creeping and passing between duplex chain wheel of ring chain and close driven duplex chain wheel, under the effect of described cat ladder crawling device by the rotation of creep duplex chain wheel and ring chain extruded cords rope generation frictional force and ring chain, realize the slippage along steel wire rope, on the another support arm of two connecting levers, be connected with support by back shaft, on back shaft, be rotatably connected to the runner that circumferential surface is provided with annular groove, the annular groove of described steel wire cable self-rotation wheel stretches out, the limited block being oppositely arranged with runner is housed on support, between limited block and the annular groove of runner, form the groove that passes passing through for rope, in the annular groove of runner, be provided with in the time that connecting lever swings and order about and insert the described arc inserted sheet passing in groove by driving mechanism, the certainly close position through groove of described arc inserted sheet is to distant place thickening gradually.

Driving mechanism comprises and is rotatably connected on back shaft and the driving wheel equipped with runner, on the surface of driving wheel, be provided with radially-protruding shelves pawl, on described back shaft, be connected with that driven by actuating unit can be along the sliding sleeve of back shaft axial slip, thereby sliding sleeve is provided with and coordinates the block that stops driving wheel and runner rotation with shelves pawl; Actuating unit comprises and is slidably connected at the drive block being connected on support and with sliding sleeve, is connected with the drive rod that orders about drive block slippage on described support, and drive rod is by electromagnet power drive.

Ring chain comprises hinged in turn multiple chain links, chain link comprises two carrier bars that are oppositely arranged, at least two chain link shafts that be arranged in parallel are housed between two carrier bars, on at least two chain link shafts, be set with brake pad, between the end of brake pad and two adjacent chain link shafts, form the gap of passing for sprocket wheel sprocket, on the outer surface of brake pad, be provided with the strip deep gouge arranging along ring chain traffic direction.

In sum, the utility model can carry people or weight slided along creeping ladder, has simple in structure, handling safety, advantageous effect reliably.

Brief description of the drawings

Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described in further detail:

Fig. 1 is the structural representation of creeping ladder in prior art;

Fig. 2 is the structural representation that a kind of embodiment of the utility model slides along creeping ladder;

Fig. 3 is the structural representation of left apparent direction in Fig. 2;

Fig. 4 is the structural representation that suspension bracket is connected with bracing frame;

Fig. 5 is the structural representation along A-A line is analysed and observe in Fig. 4;

Fig. 6 is the structural representation along B-B line is analysed and observe in Fig. 5;

Fig. 7 is the structural representation along C-C line is analysed and observe in Fig. 5;

Fig. 8 be in Fig. 3 D to structural representation;

Fig. 9 is the structural representation of the another kind of embodiment of the utility model;

Figure 10 is that in another embodiment of the utility model, insurance hooks the structural representation that pawl is connected with bracing frame;

Figure 11 is the structural representation from lowering or hoisting gear in the utility model embodiment;

Figure 12 be in Figure 11 E to structural representation;

Figure 13 is the structural representation along F-F line is analysed and observe in Figure 12;

Figure 14 is the structural representation along G-G line is analysed and observe in Figure 12;

Figure 15 is the structural representation of ring chain;

Figure 16 is along H-H in Figure 15 to the structural representation of analysing and observe.

Detailed description of the invention

As shown in Figure 1, creeping ladder of the prior art, this creeping ladder is generally arranged on the inner surface of exterior surface of wall or wind-power electricity generation barrel, it is made up of more piece, each joint creeping ladder comprises the crossbeam 101 at two ends, crossbeam 101 is connected on metope by joint pin, crossbeam 101 is made up of angle bar, the side bar 102 of vertical setting is housed between the crossbeam at two ends, spaced multiple terraced beam 103 of stepping on is housed between two side bars 102, crossbeam 101 between adjacent two joint creeping ladders is connected as a single entity by column 104, in the time manually need to creeping along creeping ladder, need hand steered side bar or crossbeam, step on terraced beam 103 along these creeping ladder upstream or downstream by foot-operated, because this creeping ladder is generally highly higher, thereby bind by safety belt and creeping ladder need to creep certain distance time, creep and extremely waste time and energy and inefficiency.

In order to solve the problems of the prior art, as shown in Figures 2 and 3, the utility model provides a kind of cat ladder crawling device, it comprises bracing frame 1, the medial surface of bracing frame 1 is equipped with can be along the roller of the upper and lower slippage of creeping ladder 10, Riding Accommodation 100 is equipped with in the bottom of bracing frame 1, Riding Accommodation is seat and the safety belt etc. being connected on bracing frame 1, can adopt the structure of seat on automobile, can certainly adopt other forms of seat, seat taking and on the structure of safety belt as prior art, do not repeat them here, on bracing frame 1, slidably connect the suspension bracket 2 of stretching and being connected with boom hoisting power, suspension bracket 2 is provided with between the upper surface of base and base and bracing frame 1 and is provided with tractive top spring 3, the boom hoisting suspension bracket 2 of slinging, under the effect of tractive top spring 3, drive bracing frame 1 to move with boom hoisting, in the present embodiment, suspension bracket 2 comprises the montant being slidably connected on bracing frame, the top of montant is connected with boom hoisting, bracing frame is provided with spaced multiple sliding sleeve, montant is slidably connected in sliding sleeve, above-mentioned tractive top spring is connected between above-mentioned base and the sliding sleeve of foot, specifically, the bottom of tractive top spring 3 is fixed on above-mentioned base, top can lean on the sliding sleeve of above-mentioned foot, shelves cover can certainly be set separately on bracing frame 1 for mutually leaning with the top of tractive top spring 3, in the time that boom hoisting is sling suspension bracket 2, above-mentioned montant upwards moves, when operation certain distance, tractive top spring 3 leans on the sliding sleeve of above-mentioned foot, tractive top spring 3 is compressed to and to a certain degree can orders about bracing frame 1 and slide along creeping ladder. as shown in Figures 4 to 7, on suspension bracket 2, be connected with insurance and hook pawl 4, insurance hooks the hook pawl section 42 that pawl 4 comprises stretching out of the connecting lever section 41 of bottom and top and setting corresponding to cat ladder crossbeam inwardly, the middle part of connecting lever section 41 is contained on suspension bracket 2 by hinge 40 hinges, those skilled in the art know, the installation of connecting lever, if its middle part hinge dress, in two of connecting lever section 41 support arms, one of them support arm is stressed, another support arm is inevitable to move around hinge point, thereby in the present embodiment, suspension bracket 2 is fixed with the contiguous block inwardly stretching out, the centre of connecting lever section is inwardly stretched out and is cut with scissors and be contained on this contiguous block by hinge, between connecting lever section 41 and bracing frame 1, be equipped with and order about the flexible drive device that connecting lever section 41 is overturn around described hinge 40, in the present embodiment, flexible drive device comprises the support column 11 that is connected to connecting lever section 41, bracing frame 1 is provided with positioning boss 12, driving spring 14 between support column and bracing frame 1, the top of support column 11 is slidably connected on positioning boss 12 and is swingable, the top of support column 11 is provided with the block 13 being pressed against on positioning boss 12. in the present embodiment, above-mentioned be slidably connected and the following structure of swingable employing realizes: the diameter that positioning boss 12 is provided with the mounting hole that passes for support column 11 and mounting hole is greater than the diameter of support column, because connecting lever section 41 is overturn around above-mentioned hinge 40, thereby need above-mentioned support column 11 to occur the swing of certain amplitude, said structure can be realized above-mentioned swing. in the time that above-mentioned boom hoisting occurs that abnormal conditions cause lifting power cut, due in lifting when state, above-mentioned tractive top spring 3 is in compressive state, above-mentioned driving spring 14 is also in compressive state, thereby ensure the state of connecting lever section 41, make to hook the crossbeam of pawl section 42 away from creeping ladder, lifting power cut meeting causes suspension bracket 2 to run out of steam, 2 moments of suspension bracket glide, under the elastic reaction of tractive top spring 3, bracing frame 1 keeps roughly inactive state in moment, when suspension bracket 2 slides along sliding sleeve, above-mentioned driving spring 14 discharges, connecting lever section 41 makes to hook pawl section 42 around hinge 40 upsets and grabs the crossbeam to creeping ladder, along with the free-falling of bracing frame and suspension bracket, hook pawl section 42 and catch the crossbeam of creeping ladder, thereby a whole set of crawling device and creeping ladder are linked together, ensure occupant's safety, when the good above-mentioned power cut problem of maintenance maintenance or restart under state, boom hoisting starts, suspension bracket 2 is thereupon up, between suspension bracket 2 and bracing frame 1, produce relative sliding, above-mentioned driving spring 14 is compressed, thereby connecting lever section 41 makes to hook around hinge upset the crossbeam that pawl section 42 departs from creeping ladder, above-mentioned tractive top spring 3 compresses and drives bracing frame 1 simultaneously, thereby under the cooperation of roller and creeping ladder, has realized the operation of a whole set of crawling device.

As Fig. 2, shown in Fig. 3 and Fig. 8, on bracing frame 1, be equipped with and order about the antichattering system that roller 10 keeps sliding rail, the both sides correspondence of bracing frame 1 medial surface is hinged with spaced multiple floating shelf 6 from top to bottom, between floating shelf 6 and bracing frame 1, top pressure spring 7 is housed, the design of top pressure spring 7 can make roller 10 be close on the side bar 102 of creeping ladder, described roller 10 is established altogether multiple and is rotatably connected on respectively on floating shelf 6, on each floating shelf 6, a roller 10 is set in the present embodiment, in order to increase the service life and to improve operation soften, above-mentioned rollers 10 adopts wear resistant nylon to make, roller 10 on the floating shelf 6 on both sides is symmetrical arranged and roller 10 diminishes gradually from diameter outside to inside, namely roller 10 is roughly taper type as shown in Figure 4, thereby can prevent rocking when bracing frame 1 moves. as shown in Figure 8, floating shelf 6 in the present embodiment comprises two poles that corresponding hinge is contained on bracing frame and be arranged in parallel, between two poles, framework is housed, above-mentioned rollers 10 is connected to the top of framework by roller shaft, above-mentioned antichattering system comprises the magnetic adsorbent 8 being connected on floating shelf 6, magnetic adsorbent 8 adopts permanent magnet to make, the multiple directive wheels 9 that are positioned at magnetic adsorbent 8 both sides and are made up of non-magnet material are housed on floating shelf 6, between the inner surface of magnetic adsorbent 8 and creeping ladder, be provided with gap, that is to say, roller 10 is along the side bar slippage of creeping ladder, between above-mentioned magnetic adsorbent 8 and above-mentioned side bar, leave certain interval, above-mentioned side bar generally adopts iron to make, thereby magnetic adsorbent 8 can and side bar between produce magnetic attraction, thereby there will not be and swing and the problem of offset track while making above-mentioned crawling device along creeping ladder slippage, and before and after can effectively preventing, rock (these front and back are rocked to refer to away from creeping ladder with near the direction of creeping ladder and rocked), thereby improve the running stability of above-mentioned crawling device.

As shown in Figures 2 and 3, the buffer spring 15 that drift is shorter than the drift of tractive top spring 3 and elastic load is larger than the elastic load of tractive top spring 3 is housed on the base of above-mentioned suspension bracket 2, that is to say in the time that suspension bracket 2 runs out of steam because of various situations, can learn by above-mentioned description, insurance hooks pawl 4 and catches on creeping ladder, but now, bracing frame 1 also can continue downward slippage, if just with above-mentioned tractive top spring 3, possible skidding distance can be longer, can bring the weightless sense of long period to occupant, arrange after above-mentioned buffer spring 15, thereby can reduce the distance of bracing frame 1 downward slippage and produce larger buffering, thereby make occupant more comfortable.

As Fig. 2, Fig. 3, shown in Fig. 5 and Fig. 6, on above-mentioned suspension bracket 2, be connected with between the upper and lower every at least two insurances hook pawls 4, adjacent two insurances hook in distance between pawls 4 and creeping ladder two, and to step on distance between terraced beam 103 unequal, optimal design is that the distance that two insurances hook between pawl 4 is greater than two distances of stepping between terraced beam 103, each insurance hooks pawl 4 and is made up of two relative hook claw-plates, insurance hooks on pawl 4 and is connected with and prevents the excessively upset bumping post 16 of upset of described connecting lever section 41, that is to say that upset bumping post 16 is connected between two relative hook claw-plates, and upset bumping post 16 is positioned at the inner side of suspension bracket 2, in the time that crawling device normally moves, above-mentioned driving spring 14 is in compressed state, insurance hooks the connecting lever section of pawl 4 and overturns around above-mentioned hinge, the top of connecting lever section and hook pawl section are away from creeping ladder, its away from certain distance after, upset bumping post 16 can lean against on suspension bracket 2, thereby realize the above-mentioned excessively object of upset of connecting lever section that prevents, hook pawl owing to being provided with at least two insurances, thereby the distance of glide that can make suspension bracket 2 when malfunctioning at boom hoisting the shortest insurance hook pawl and catch creeping ladder, thereby farthest reduce the distance of glide of occupant and crawling device.

As shown in Figure 9, the utility model provides another kind of embodiment, its structure and said structure are basic identical, and difference is, the concrete structure difference of its floating shelf 6, this floating shelf 6 comprises framework, between the lower end of framework and bracing frame 1, be hinged with connecting rod, top pressure spring 7 is housed between the upper end of framework and bracing frame, this structure is compared with a upper embodiment, the structure of floating shelf is simpler, moves more stable.

As shown in figure 10, in another embodiment of the present utility model, its basic system is identical with the structure of above-described embodiment, difference is, the top of support column 11 is slidably connected on positioning boss 12 and swingable concrete structure difference, in the present embodiment, above-mentioned being slidably connected and the following structure realization of swingable employing: be provided with hole in positioning boss 12, spherical hinge 50 is housed in hole, in spherical hinge 50, be provided with the mounting hole passing for support column 11, support column can slide up and down along this mounting hole, above-mentioned swingablely realize by spherical hinge.

As shown in Figures 2 and 3, this cat ladder crawling device also comprises the steel wire rope 17 that is suspended on eminence and freely hang down, the top of steel wire rope 17 hangs pinnacled structure and does not illustrate in the drawings, its concrete hanging position and suspended structure can freely hang down and not hinder the slippage of bracing frame as best taking steel wire rope 17, above-mentioned boom hoisting comprise creep along steel wire rope 17 from lowering or hoisting gear, certain above-mentioned boom hoisting can be also other structures such as electric block and elevator.

As shown in figure 11, in the present embodiment, comprise the frame 18 being fixedly connected with suspension bracket 2 from lowering or hoisting gear, be equipped with the bottom of frame 18, on suspension hook installing rack, suspension hook can be housed, the suspension hook of sidepiece hangs weight while being used for horizontal feed, in frame 18, be provided with by power set and drive the active duplex chain wheel 19 rotating, these power set are the engine (comprising motor and reductor) being arranged in frame 18, its concrete installation and transmission connecting structure are prior art, do not repeat them here, frame 18 is provided with the long arc-shaped holes arranging away from active duplex chain wheel 19, in frame 18, be rotatably connected to the floating axle 20 being installed in long arc-shaped holes, driven duplex chain wheel 21 is housed on floating axle 20, the two sides of frame 18 one end are also hinged with corresponding two connecting levers 23 that arrange, a support arm correspondence of two connecting levers 23 is sleeved on floating axle 20, on the another support arm of two connecting levers 23, be connected with support 26 by back shaft 25, on back shaft 25, be rotatably connected to the runner 27 that circumferential surface is provided with annular groove, main, on driven duplex chain wheel, be engaged with ring chain 22, frame 18 inner sides are provided with at least two at the duplex chain wheel 24 of creeping engaging with ring chain 22 between active duplex chain wheel 19 and driven duplex chain wheel 21 and outside ring chain 22 rings, described steel wire rope 17 passes between duplex chain wheel 24 from ring chain 22 and near creeping of duplex chain wheel 19 of active, the other end passes between duplex chain wheel 24 and stretches out through the race of runner 27 from ring chain 22 and near creeping of driven duplex chain wheel 21, this cat ladder crawling device produces by creep duplex chain wheel 24 and ring chain 22 extruded cords ropes 17 under the effect of rotation of frictional force and ring chain 22 and realizes the slippage along steel wire rope 17. as shown in Figure 1, in the present embodiment, the use state of ring chain 22 is curved, the duplex chain wheel 24 of creeping is cambered surface with the field of conjugate action of ring chain 22, increase tooth matching angle, increase wrap angle, thereby the duplex chain wheel 24 that ensures to creep produces the extruding of area more with ring chain 22 to steel wire rope 17, thereby ensure the generation of above-mentioned frictional force, the process that above-mentioned creep duplex chain wheel 24 and ring chain 22 extruded cords ropes 17 produce frictional force is as follows: when suspension heavy weight, runner 27 is pressed on steel wire rope 17 its top under the effect of the pulling of weight, connecting lever 23 swings, the support arm that is connecting lever drives floating axle 20 along long arc-shaped holes upward sliding, make the outer ring surface of ring chain 22 rely on the duplex chain wheel 24 of creeping, because steel wire rope 17 passes between ring chain 22 and the annular groove of the duplex chain wheel 24 of creeping, thereby rely in the process of the duplex chain wheel 24 of creeping steel wire cable is produced to extruding force at ring chain 22, thereby produce above-mentioned frictional force.

As Figure 11, shown in Figure 15 and Figure 16, creep duplex chain wheel 24 and ring chain 22 extruded cords ropes 17 produce frictional force and can improve above-mentioned frictional force by following structure: above-mentioned ring chain 22 comprises hinged in turn multiple chain links, described chain link comprises two carrier bars 221 that are oppositely arranged, inside and outside the carrier bar of different chain links, be crisscross arranged, at least two chain link shafts 222 that be arranged in parallel are housed between two carrier bars 221, it is hinged that above-mentioned adjacent links is crossed this chain link shaft 222, on at least two chain link shafts 222, be set with brake pad 223, in the present embodiment, two chain link shafts 222 are only set in same chain link, and on two chain link shafts, be set with a brake pad, can increase the contact area of steel wire rope and brake pad 223, between the end of brake pad 223 and two adjacent chain link shafts and carrier bar, form the gap of passing for sprocket wheel sprocket, on the outer surface of brake pad 223, be provided with the strip deep gouge 224 arranging along nonskid chain traffic direction, be provided with in the present embodiment two above-mentioned strip deep gouges that are intervally arranged, strip deep gouge is provided with anti-slip veins, above-mentioned chain link shaft is rotatably connected to turning set 225 in the portion's section between brake pad and carrier bar, can make the insertion of above-mentioned sprocket stir more smooth and easy. the duplex chain wheel 24 of creeping is arranged in frame 18 by the back shaft of creeping, the duplex chain wheel 24 of creeping comprises the interior wheel body that is connected to the back shaft of creeping, the both sides of interior wheel body are connected with two chain drums of corresponding setting, together with chain drum is bolted with interior wheel body, on interior wheel body, be set with axis taking interior wheel body circumferentially swingable and driven the inner support cover rotating by interior wheel body as the centre of gyration along interior wheel body, the external peripheral surface of described inner support cover is provided with at least bipassage ring groove that coordinates extruded cords rope 17 with strip deep gouge, above-mentioned strip deep gouge matches with above-mentioned circular groove groove of creeping on duplex chain wheel 24 steel wire rope 17 extruding is realized to this machine creeping along steel wire cable, above-mentioned brake pad 223 and strip deep gouge are set can make extruding more firm, the wearing and tearing of chain shaft are not only avoided, extend the service life of ring chain, and can greatly increase squish area and the extruding angle of ring chain 22 and the circular groove groove of the duplex chain wheel 24 of creeping, in addition, wherein on the groove face of one circular groove groove, be equipped with the decorative pattern matching with steel wire rope 17 outer surface decorative patterns, the inner surface of inner support cover is provided with gear shaping or slot, the outer surface of interior wheel body is provided with slot or gear shaping, inner support cover and interior wheel body are realized both connections by the plug-in mounting of gear shaping and slot, the groove width of described slot is greater than the facewidth of gear shaping, inner support cover is one-body molded in the present embodiment, also can adopt the above-mentioned inner support cover of the common composition of multiple ring sets that are arranged side by side, circular groove groove is set on each ring set one, the ring set that the circular groove groove of decorative pattern is set can adopt high-abrasive material to make, other ring sets do not need through wear-resisting Technology for Heating Processing, thereby reduce production costs. by above-mentioned slot and gear shaping coordinate and corresponding construction is realized inner support cover taking the axis of interior wheel body as the centre of gyration along the circumferential swing of interior wheel body and inner support cover is driven and rotated by interior wheel body, between described gear shaping and the cell wall of slot, cushion pad is housed, in the present embodiment, inner support puts gear shaping is set, on interior wheel body, slot is set, above-mentioned cushion pad adopts resilient rubbber cushion. the machine in use, when decorative pattern in decorative pattern and above-mentioned circular groove groove in the time of the original state of steel wire rope 17 is misfitted, ring chain 22 drives chain drum to rotate, now inner support cover can be taking the axis of interior wheel body as the centre of gyration along interior wheel body circuit oscillation certain angle, thereby above-mentioned decorative pattern is coincide, further increase the frictional force that creep duplex chain wheel 24 and ring chain 22 extruded cords ropes 17 produce. be provided with altogether in the present embodiment two duplex chain wheels 24 of creeping, and steel wire rope 17 is wound around the duplex chain wheel of creeping and adopts following manner, steel wire rope 17 is arranged in the two corresponding circular groove grooves of creeping duplex chain wheel 24 penetrating between duplex chain wheel 24 with near creeping of duplex chain wheel 19 initiatively from ring chain 22 and creeping the inner side of duplex chain wheel 24 through twice, steel wire rope 17 was wound around the other circular groove groove that is arranged in the duplex chain wheel 24 of creeping when the two outer rear flank of creeping duplex chain wheel 24 penetrate between duplex chain wheel 24 from ring chain 22 and near creeping of duplex chain wheel 19 initiatively again, steel wire rope 17 passes from ring chain 22 and duplex chain wheel 24 inner sides of creeping near driven duplex chain wheel 21, can certainly adopt other canoe, for example be wound around the modes such as two circles. adopt after above-mentioned canoe, in frame 18, be provided with for avoiding steel wire cable in-out end interfere and steel wire rope 17 is rerouted to the rope backplate 35 another road circular groove groove from one circular groove groove, two rope backplates 35 that are oppositely arranged are set altogether, in the present embodiment, rope backplate 35 is arranged on creeping on back shaft of the duplex chain wheel 24 of creeping, rope backplate is positioned at duplex chain wheel 24 outsides of creeping and is provided with relative jut, two juts form the passage passing for steel wire rope 17, this passage makes steel wire rope 17 be rerouted to another road circular groove groove from one circular groove groove in the process of above-mentioned winding, thereby guarantee steel wire cable is held all the time between circular groove groove and strip deep gouge in the portion of creeping between duplex chain wheel 24 and ring chain 22, the above-mentioned in-out end between the two of steel wire cable turnover can not produce interference.

In the present embodiment, above-mentioned frame 18 comprises the gripper shoe that two profiles are arc and are oppositely arranged, gripper shoe is provided with multiple hollow-out parts, initiatively duplex chain wheel 19, creep duplex chain wheel 24 and expansion tightening wheel are arranged between two gripper shoes by back shaft respectively, back shaft comprises the step axis body that penetrates from the gripper shoe of a side and is screwed onto the hold-down bolt being connected as a single entity on step axis body and by two gripper shoes, and structure that this kind of structure makes gripper shoe is more simple and use the back shaft of this structure to make assembling more convenient fast.

As Figure 11, Figure 12, shown in Figure 13 and Figure 14, the annular groove of steel wire rope self-rotation wheel stretches out, the limited block 28 being oppositely arranged with runner 27 is housed on support 26, what between the annular groove of limited block 28 and runner 27, formation was passed through for rope passes groove 29, in the annular groove of runner 27, be provided with in the time that connecting lever 23 swings and order about and insert the described arc inserted sheet 30 passing in groove 29 by driving mechanism, the certainly close position through groove 29 of described arc inserted sheet 30 is to distant place thickening gradually, driving mechanism comprises and is rotatably connected on back shaft 25 and the driving wheel 31 equipped with runner 27, on the surface of driving wheel 31, be provided with radially-protruding shelves pawl 32, on described back shaft 25, being connected with can be along the sliding sleeve 33 of back shaft 25 axial slips by actuating unit driving, thereby sliding sleeve 33 is provided with and coordinates the block 34 that stops driving wheel and runner to rotate with shelves pawl 32, actuating unit comprises and is slidably connected at the drive block 21 being connected on support 26 and with sliding sleeve 33, on support 26, be connected with the drive rod 36 that orders about drive block 21 slippages, drive rod 36 is by electromagnet power drive, arc inserted sheet 30 and the concentric setting of runner 27. in the time there is chain-loose or fracture, under the pulling force effect of bracing frame 1, drive frame 18 to move downward, thereby make floating axle 20 move to the top of long arc-shaped holes, now connecting lever 23 rotates around its hinge, electromagnet orders about drive rod 36 and moves, sliding sleeve 33 slides along back shaft 25, shelves pawl 32 departs from the constraint of block 34, under the traction action of steel wire rope 17, runner rotates, thereby arc inserted sheet 30 is turned to through in groove 29 along annular groove 23, because arc inserted sheet 30 is at insertion end thickening gradually backward, thereby make through the space of groove 29 more and more less, thereby by rope jam-packed, ensure that this machine and crawling device can not fall along rope, thereby ensure handling safety, to prevent security incident, this structure is very simple and reliable.

The above is specific constructive form of the present utility model; the utility model is not restricted to the described embodiments; the art personnel, the equivalent variations based on concrete structure on the utility model and parts are replaced all in protection domain of the present utility model.

Claims (10)

1. a cat ladder crawling device, comprise bracing frame (1), it is characterized in that: the medial surface of support frame as described above (1) is equipped with can be along the roller of the upper and lower slippage of creeping ladder (10), Riding Accommodation is equipped with in the bottom of bracing frame (1), on bracing frame (1), be equipped with and order about the antichattering system that roller keeps sliding rail, on support frame as described above (1), slidably connect the suspension bracket (2) of stretching and being connected with boom hoisting power, suspension bracket (2) is provided with between the upper surface of base and base and bracing frame (1) and is provided with tractive top spring (3), on suspension bracket (2), be connected with insurance and hook pawl (4), insurance hooks the hook pawl section (42) that pawl (4) comprises stretching out of the connecting lever section (41) of bottom and top and setting corresponding to cat ladder crossbeam inwardly, the middle part of connecting lever section (41) is cut with scissors and is contained on suspension bracket (2) by hinge, between connecting lever section (41) and bracing frame (1), be equipped with and order about the flexible drive device of connecting lever section around described hinge upset.

2. cat ladder crawling device as claimed in claim 1, it is characterized in that: the both sides correspondence of support frame as described above (1) medial surface is hinged with spaced multiple floating shelf (6) from top to bottom, between floating shelf (6) and bracing frame (1), top pressure spring (7) is housed, described roller (10) is established altogether multiple and is rotatably connected on respectively on floating shelf (6), described antichattering system comprises the magnetic adsorbent (8) being connected on floating shelf (6), the multiple directive wheels (9) that are positioned at magnetic adsorbent (8) both sides and be made up of non-magnet material are housed on floating shelf (6), between the inner surface of described magnetic adsorbent (8) and creeping ladder, be provided with gap.

3. cat ladder crawling device as claimed in claim 1 or 2, it is characterized in that: described flexible drive device comprises the support column (11) that is connected to connecting lever section (41), bracing frame (1) is provided with positioning boss (12), driving spring (14) between support column and bracing frame (1), it is upper and swingable that the top of support column (11) is slidably connected at positioning boss (12), and the top of support column (11) is provided with the block (13) being pressed against on positioning boss (12).

4. cat ladder crawling device as claimed in claim 3, is characterized in that: the roller (10) on the floating shelf (6) on described both sides is symmetrical arranged and roller (10) diminishes gradually from diameter outside to inside.

5. cat ladder crawling device as claimed in claim 1 or 2, is characterized in that: the buffer spring (15) that drift is shorter than the drift of tractive top spring (3) and elastic load is larger than the elastic load of tractive top spring (3) is housed on described base.

6. cat ladder crawling device as claimed in claim 1 or 2, it is characterized in that: on described suspension bracket (2), be connected with between the upper and lower every at least two insurances hook pawls (4), insurance hooks on pawl (4) and is connected with and prevents the excessively upset bumping post (16) of upset of described connecting lever section (41).

7. cat ladder crawling device as claimed in claim 1 or 2, is characterized in that: described cat ladder crawling device also comprises the steel wire rope (17) that is suspended on eminence and freely hang down, described boom hoisting comprise creep along steel wire rope (17) from lowering or hoisting gear.

8. cat ladder crawling device as claimed in claim 7, it is characterized in that: the described frame (18) being fixedly connected with suspension bracket (2) that comprises from lowering or hoisting gear, in frame (18), be provided with by power set and drive the active duplex chain wheel (19) rotating, frame (18) is provided with the long arc-shaped holes (20) arranging away from active duplex chain wheel (19), in frame (18), be rotatably connected to the floating axle (20) being installed in long arc-shaped holes, driven duplex chain wheel (21) is housed on floating axle, main, on driven duplex chain wheel, be engaged with ring chain (22), one end of described frame (18) is hinged with corresponding two connecting levers (23) that arrange, a support arm correspondence of two connecting levers (23) is sleeved on floating axle (20), frame (18) inner side is provided with at least two and is positioned at the duplex chain wheel of creeping (24) engaging with ring chain (22) between active duplex chain wheel (19) and driven duplex chain wheel (21) and outside ring chain (22) ring, creep and be wound with one end on duplex chain wheel (24) and pass between ring chain (22) and the duplex chain wheel of creeping (24) near duplex chain wheel (19) initiatively, the other end is from ring chain (22) and near the steel wire rope (17) passing between the duplex chain wheel of creeping (24) of driven duplex chain wheel (21), under the effect of described cat ladder crawling device by the rotation of the duplex chain wheel of creeping (24) and ring chain (22) extruded cords rope (17) generation frictional force and ring chain (22), realize the slippage along steel wire rope (17), on the another support arm of two connecting levers (23), be connected with support (26) by back shaft (25), on back shaft (25), be rotatably connected to the runner (27) that circumferential surface is provided with annular groove, the annular groove of described steel wire cable self-rotation wheel stretches out, the limited block (28) being oppositely arranged with runner (27) is housed on support (26), what between the annular groove of limited block (28) and runner (27), formation was passed through for rope passes groove (29), in the annular groove of runner (27), be provided with to be ordered about by driving mechanism in the time that connecting lever (23) swings and insert the described arc inserted sheet (30) passing in groove (29), the certainly close position through groove (29) of described arc inserted sheet (30) is to distant place thickening gradually.

9. cat ladder crawling device as claimed in claim 8, it is characterized in that: described driving mechanism comprises that being rotatably connected on back shaft (25) goes up and the driving wheel (31) equipped with runner (27), on the surface of driving wheel (31), be provided with radially-protruding shelves pawls (32), on described back shaft (25), being connected with can be along the sliding sleeve (33) of back shaft (25) axial slip by actuating unit driving, and sliding sleeve (33) is provided with shelves pawl (32) thereby coordinates the block (34) that stops driving wheel and runner to rotate; Actuating unit comprises and is slidably connected at the drive block (35) that support (26) is upper and be connected with sliding sleeve (33), is connected with the drive rod (36) that orders about drive block (35) slippage on described support (26), and drive rod (36) is by electromagnet power drive.

10. cat ladder crawling device as claimed in claim 8, it is characterized in that: described ring chain (22) comprises hinged in turn multiple chain links, chain link comprises two carrier bars (221) that are oppositely arranged, at least two chain link shafts (222) that be arranged in parallel are housed between two carrier bars (221), on at least two chain link shafts (222), be set with brake pad (223), between the end of brake pad (223) and two adjacent chain link shafts, form the gap of passing for sprocket wheel sprocket, on the outer surface of brake pad (223), be provided with the strip deep gouge arranging along ring chain traffic direction.