CN206857955U - Brake type sling upper rack and crane - Google Patents

Abstract

The utility model provides a kind of brake type sling upper rack and crane, belongs to crane gear field, including upper frame body, brake apparatus and multigroup assembly pulley, and every group of assembly pulley includes pulley main body and pulley bracket, and pulley main body is articulated in pulley bracket；Brake apparatus is installed on pulley bracket；Brake apparatus includes the dog point being arranged in pairs, and grip orifice is formed between two dog points being arranged in pairs, and pulley main body is stretched into grip orifice, two pinching ends it is close to each other either away from change the gap of grip orifice so that select clamp or decontrol pulley main body.The brake type sling upper rack in the course of the work, can realize that the pulley main body of assembly pulley is braked relative to pulley bracket by manipulating brake apparatus, easy to operate, good braking effect, the abrasion between pulley main body and rope is small, improves security.

Description

Brake type sling upper rack and crane

Technical field

Crane gear field is the utility model is related to, in particular to a kind of brake type sling upper rack and crane.

Background technology

On the container traditional structure suspender used at present on the crane gear such as gantry crane, high pedestal jib crane Frame, its assembly pulley arrangement is mostly parallel arrangement, and brake apparatus is not provided with assembly pulley, while assembly pulley passes through Pulley bracket is fixed on suspender panel, and pulley can not automatically adjust the balance of stress, increase in vertical and circumferencial direction The abrasion of the matched rope of pulley.For there is the occasion of anti-swing function requirement, when with the joining raising of sling upper rack When mechanism stops, because of inertia reason, traditional structure forms sling upper rack will be unable to wave suspender by way of controlling pulley Time shortens, and it can only be allowed to stop naturally, have impact on the operating efficiency of crane gear.

Utility model content

The purpose of this utility model is to provide a kind of brake type sling upper rack, worked with improving traditional crane gear When, assembly pulley disposed thereon, which can not carry out braking on demand, causes to wave time length, the problem of influenceing operating efficiency.

The purpose of this utility model is to provide a kind of crane, to improve traditional crane gear at work, is located at Assembly pulley thereon, which can not carry out braking on demand, causes to wave time length, the problem of influenceing operating efficiency.

What embodiment of the present utility model was realized in：

Based on above-mentioned first purpose, the utility model provides a kind of brake type sling upper rack, including upper frame body, braking Device and multigroup assembly pulley, assembly pulley described in every group include pulley main body and pulley bracket, and the pulley main body is articulated in The pulley bracket；The brake apparatus is installed on the pulley bracket；The brake apparatus includes the braking being arranged in pairs Hold, form grip orifice between two dog points being arranged in pairs, the pulley main body is stretched into the grip orifice, two institutes It is close to each other either away to change the gap of the grip orifice and then select to clamp or decontrol the pulley master to state pinching end Body.

In the utility model preferred embodiment, the pulley main body includes two wheel faces being oppositely arranged and is located at Rope confined planes between two wheel faces, each there is annular clamping section on the wheel face, each annular clamping section Along extending radially outwardly on the rope confined planes for the pulley main body.

In the utility model preferred embodiment, two assembly pulleys are arranged in pairs, the multipair assembly pulley along The length direction of upper frame body is intervally arranged, and the extended line of the axis of the pulley main body of assembly pulley described in each pair intersects at a point.

In the utility model preferred embodiment, including two pairs of assembly pulleys, two pairs of assembly pulleys are positioned at parallel In the both sides of the center line of the width of the upper frame body and it is symmetrical arranged, two pairs of assembly pulleys are located at two joinings Between.

In the utility model preferred embodiment, in addition to swing mechanism, the swing mechanism include gantry pillars, pendulum Moving axis and swinging axle clamp, the pulley bracket are rotationally connected with the swinging axle, and the swinging axle passes through the swing Axle clamp is rotationally connected with the gantry pillars, and the gantry pillars is installed on the upper frame body.

In the utility model preferred embodiment, in addition to pivoting support, the gantry pillars are installed on the revolution In supporting, the pivot center of the pivot center of the pivoting support and the pulley main body is vertically arranged, the pivoting support peace Loaded on the upper frame body.

In the utility model preferred embodiment, in addition to buffer unit, the buffer unit are used to limit the cunning Wheel body relative to the gantry pillars vertical direction hunting range.

In the utility model preferred embodiment, in addition to safe anti-falling dropping control device, for connecting suspender and described Upper frame body.

In the utility model preferred embodiment, in addition to cable storage frame, protection ring and coniform lead core, institute The plate face medium position that cable storage frame is installed on the upper frame body is stated, end of the cable storage frame away from the upper frame body is spacious Mouthful, the lead core is located in the cable storage frame, and the end being relatively large in diameter of the lead core is installed on the restocking Main body, the protection ring are arranged on the open-mouth.

Based on above-mentioned second purpose, the utility model provides a kind of crane, including described brake type sling upper rack.

The beneficial effect of the utility model embodiment is：

In summary, the utility model embodiment provides a kind of brake type sling upper rack, and its is simple and reasonable, is easy to Manufacture processing, installation with it is easy to use.Meanwhile the brake type sling upper rack is in the course of the work, by manipulating brake apparatus energy Enough realize that the pulley main body of assembly pulley is braked relative to pulley bracket, easy to operate, good braking effect, pulley main body is with restricting Abrasion between rope is small, improves security.It is specific as follows：

The brake type sling upper rack that the present embodiment provides includes frame body, brake apparatus and assembly pulley, assembly pulley On upper frame body, brake apparatus is arranged on assembly pulley.Assembly pulley includes pulley main body and installation pulley main body Pulley bracket, pulley main body is rotatably connected on pulley bracket.Brake apparatus is arranged on pulley bracket, and brake apparatus includes Have two dog points being arranged in pairs, form grip orifice between two dog points, pulley main body extend into grip orifice, it is necessary to When being braked, brake apparatus is operated so that two pinching ends are close to each other, and the spacing of grip orifice reduces, and narrows down to certain journey Pulley main body is clamped when spending, because brake apparatus is arranged on pulley bracket, brake apparatus will not be sent out relative to pulley bracket Raw motion, and then realize pulley main body being relatively fixed relative to pulley bracket.It is convenient and swift during whole manipulation, clamp Effect is good.Meanwhile during brake apparatus work, two dog points synchronous workings realize the clamping to two wheel faces of pulley main body, Clamping effect is good, can shorten waving the time for load-engaging device, improves operating efficiency.

The crane that the present embodiment provides includes above-mentioned brake type sling upper rack, the institute for the brake type sling upper rack having There is advantage.

Brief description of the drawings

, below will be to required use in embodiment in order to illustrate more clearly of the technical scheme of the utility model embodiment Accompanying drawing be briefly described, it will be appreciated that the following drawings illustrate only some embodiments of the present utility model, therefore should not be by Regard the restriction to scope as, for those of ordinary skill in the art, on the premise of not paying creative work, may be used also To obtain other related accompanying drawings according to these accompanying drawings.

Fig. 1 is the structural representation of the brake type sling upper rack of the utility model embodiment；

Fig. 2 is close-up schematic view in Fig. 1；

Fig. 3 is the schematic top plan view of the brake type sling upper rack of the utility model embodiment；

Fig. 4 is the side schematic view of the brake type sling upper rack of the utility model embodiment；

Fig. 5 is the close-up schematic view in Fig. 4；

Fig. 6 is the structural representation of the distressed structure of the brake type sling upper rack of the utility model embodiment；

Fig. 7 is the structural representation with pivoting support of the brake type sling upper rack of the utility model embodiment；

Fig. 8 is the side schematic view with pivoting support of the brake type sling upper rack of the utility model embodiment；

Fig. 9 is the distressed structure schematic diagram with pivoting support of the brake type sling upper rack of the utility model embodiment (frame body is not shown)；

Figure 10 is the structural representation of the safe anti-falling dropping control device of the brake type sling upper rack of the utility model embodiment；

Figure 11 is that a distressed structure of the safe anti-falling dropping control device of the brake type sling upper rack of the utility model embodiment shows It is intended to；

Figure 12 is another distressed structure of the safe anti-falling dropping control device of the brake type sling upper rack of the utility model embodiment Schematic diagram.

Icon：The upper frame bodies of 10-；11- girders；12- end carriages；13- ear mounts；The anti-skidding panels of 14-；20- braking dresses Put；21- dog points；30- assembly pulleys；31- pulley main bodies；311- annulars clamping section；312- rope races；313- is closed Space；32- pulley brackets；33- pulley spindles；40- swing mechanisms；41- gantry pillars；42- swinging axles；43- swinging axles Clamp；50- pivoting supports；51- hold-down supports；52- flange plate structures；53- mobile limited blocks；54- fixes limited block； 60- buffer units；61- mounting brackets；62- buffers end；63- mounting seats；64- haulage chains；70- safe anti-falling dropping control devices； 71- connecting plates；72- bearing pin external members；73-U shape connectors；74- ropes；80- stores up cable device；81- cable storage frames；82- is protected Retaining ring；83- lead cores；90- ships and resell on another market opening and closing device；91- ships and resell on another market assembly；911- ships and resell on another market；912- nuts；913- is turned Arm；92- driving levers；93- chains；94- lock pins；95- connecting rods；96- bearings；97- weighs unbalance-loading detecting device；100- columns Bar；200- cat ladders；300- safety anti-releasing rope devices；400- suspenders.

Embodiment

For there is the occasion of anti-swing function requirement, when lifting mechanism joining with sling upper rack stops, because of inertia Reason, traditional structure forms sling upper rack will be unable to make suspender wave time shortening by way of controlling pulley, can only allow it Naturally stop, have impact on the operating efficiency of crane gear.

In consideration of it, inventor devises a kind of brake type sling upper rack and crane, by setting brake apparatus 20, protect Card pulley main body 31 can realize that Quick-clamped is stable in the course of the work, shorten when waving of load-engaging device in the course of work Between, improve operating efficiency.

It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer Accompanying drawing in type embodiment, the technical scheme in the embodiment of the utility model is clearly and completely described, it is clear that is retouched The embodiment stated is the utility model part of the embodiment, rather than whole embodiments.Generally here described in accompanying drawing and The component of the utility model embodiment shown can be configured to arrange and design with a variety of.

Therefore, the detailed description of the embodiment of the present utility model to providing in the accompanying drawings is not intended to limit requirement below The scope of the utility model of protection, but it is merely representative of selected embodiment of the present utility model.Based in the utility model Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, all Belong to the scope of the utility model protection.

It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi It is defined, then it further need not be defined and explained in subsequent accompanying drawing in individual accompanying drawing.

, it is necessary to explanation, the side of the instruction such as term " " center ", " on ", " interior ", " outer " in description of the present utility model Position or position relationship be based on orientation shown in the drawings or position relationship, or the utility model product using when usually put Orientation or position relationship, be for only for ease of description the utility model and simplify and describe, rather than instruction or imply signified Device or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that new to this practicality The limitation of type.

In description of the present utility model, it is also necessary to which explanation, unless otherwise clearly defined and limited, term " are set Put ", " installation ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, Or it is integrally connected；Can be mechanical connection or electrical connection；Can be joined directly together, intermediary can also be passed through It is indirectly connected, can is the connection of two element internals.For the ordinary skill in the art, can be managed with concrete condition Solve concrete meaning of the above-mentioned term in the utility model.

It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the utility model can To be mutually combined.

Brake type sling upper rack embodiment

Fig. 1-Fig. 4 is referred to, present embodiments provides a kind of brake type sling upper rack, includes frame body 10, braking Device 20, multigroup assembly pulley 30, swing mechanism 40, pivoting support 50, buffer unit 60, safe anti-falling dropping control device 70, storage cable dress Put 80, ship and resell on another market opening and closing device 90 and railing cat ladder.

Fig. 1 and Fig. 2 are referred to, upper frame body 10 is made up of box structure end carriage 12, the girder 11 of good mechanical performance, is The skeleton of brake type sling upper rack, anti-skidding panel 14 is additionally provided between two butt beams 12 of girder 11 and two, avoids repairing Personnel slip.The end positions of butt beam 12 are provided with opening and closing device 90 of shipping and reselling on another market.

Brake apparatus 20 includes a pair of dog points 21, is arranged at intervals between a pair of dog points 21 and forms grip orifice, and two Individual dog point 21 can be relatively close or away from motion, to change the spacing of grip orifice, realizes the pulley in grip orifice The clamping or relieving of main body 31.In the present embodiment, brake apparatus 20 includes carrying out dog point 21 using hydraulic driving mode The spot-type disc brake of driving.It should be noted that spot-type disc brake is prior art, in the present embodiment not to its structure and Function is improved, in order to avoid narration repeats burden, herein without describing in detail.

Referring to Fig. 1, assembly pulley 30 includes pulley main body 31 and pulley bracket 32, pulley main body 31 is circle, and it is justified The through hole for installing pulley spindle 33 is provided with the heart.Pulley main body 31 includes two wheel faces and between two wheel face Rope confined planes, the section configuration of rope confined planes is V-shaped, forms the rope race 312 for installing rope, is easy to Rope it is fixed and positioned.Each wheel face includes annular clamping section 311, and each annular clamping section 311 is along pulley main body 31 Extend radially outwardly on rope confined planes.Pulley bracket 32 includes two peaces of two installing plates being oppositely arranged and connection The shrouding of loading board, installing plate and shrouding are steel plate, using being welded to connect.The one side of installing plate is welded in a plate face of shrouding On, two installing plates are relative and be arranged in parallel, and two installing plates are located in the same plate face of shrouding.It is provided with each installing plate The through hole installed for pulley spindle 33, two through holes are to be coaxially disposed.Reinforcing plate is provided with each installing plate.

Referring to Fig. 3, in the present embodiment, assembly pulley 30 is provided with four groups, and two assembly pulleys 30 are a pair, together the two of a pair The axis of individual pulley main body 31 is obliquely installed, i.e., the extended line of the axis of two pulley main bodies 31 is met at a bit, two pulley masters Body 31 is arranged in "eight" shape, and length direction of two pairs of assembly pulleys 30 along upper frame body 10 is intervally arranged, two pairs of 30, assembly pulleys In the both sides of the center line parallel to width of upper frame body 10 and it is symmetrical arranged, the spacing of two pairs of assembly pulleys 30 is larger Side is oppositely arranged, namely two pairs of assembly pulleys 30 are between two joinings.

Referring to Fig. 4, swing mechanism 40 includes gantry pillars 41, swinging axle 42 and swinging axle clamp 43, gantry pillars 41 include bottom plate and are installed on be oppositely arranged two supporting plates of the same plate face of bottom plate, and two supporting plates are oppositely arranged, The through hole passed through for swinging axle 42 is provided with each supporting plate, pulley bracket 32 is rotatably connected on swinging axle 42, swinging axle Corresponding supporting plate is stretched out at 42 both ends respectively, and the both ends of swinging axle 42 are connected with a swinging axle clamp 43, swinging axle respectively Clamp 43 is located at the part of the stretching supporting plate of swinging axle 42, and swinging axle clamp 43 can limit swinging axle 42 along its axis direction Slided relative to supporting plate or rotatable around its axis.The axis of the axis of swinging axle 42 and pulley main body 31 is vertically arranged.Pendulum Dynamic bearing 41 is arranged on upper frame body 10.

Fig. 7 and Fig. 9 are referred to, gantry pillars 41 is arranged on pivoting support 50, axis, the swinging axle 42 of pivoting support 50 Axis and the axis of pulley main body 31 be vertically arranged two-by-two, the structure design of pivoting support 50, for making assembly pulley 30 exist Automatically automatic in a certain angular range of circumferencial direction adjustment can be adapted to during use, make stress optimal.Pivoting support 50 wraps The inner ring being coaxially disposed and outer ring are included, inner ring and outer ring are relatively rotated, and inner ring is connected by flange plate structure 52 and hold-down support 51 Connect, hold-down support 51 is arranged on upper frame body 10.Further, it is provided with the bottom plate of gantry pillars 41 by a certain angle Two mobile limited blocks 53, correspondence position is provided with two fixation limited blocks 54 on the panel of load-engaging device (suspender 400), with limitation This pulley gear can in the range of limiting adjust automatically loading angle to reach stress optimum state.

Refer to Fig. 4 and Fig. 8, buffer unit 60 is arranged on upper frame body 10, for limit pulley main body 31 relative to The hunting range of gantry pillars 41 in vertical direction, in an alternative of the present embodiment, buffer unit 60 includes buffering End 62 and mounting bracket 61, mounting bracket 61 are arranged on upper frame body 10, and every group of assembly pulley 30 is corresponding with a buffer unit 60, Each buffer unit 60 is located at the inner side of corresponding pulley main body 31, and buffering end 62 is used to limit pulley main body 31 relative to swing The hunting range of bearing 41 in vertical direction, when pulley main body 31 is in free state (during line relaxation), assembly pulley is certainly Under recast is used, it will swing aside, to reduce phenomena such as rope caused by assembly pulley abrasion with damaging.One of pulley bracket 32 Installing plate has been resisted against on buffering end 62, enters to be unable to continue to swing.End 62 is buffered using the material system with pooling feature Make, be fastened by bolts part and be installed on mounting bracket 61, to reduce abrasion and impact when pulley main body 31 is toppled over to it.

Refer to Fig. 5 and Fig. 9, in another alternative of the present embodiment, buffer unit 60 include mounting seat 63 and Haulage chain 64, mounting seat 63 are installed on frame body 10, positioned at the outside of corresponding pulley main body 31, mounting seat 63 and pulley Connected between support 32 by haulage chain 64, buffer unit 60 is used to limit pulley main body 31 relative to gantry pillars 41 vertical Hunting range on direction, when pulley main body 31 is in free state (during line relaxation), assembly pulley, will be under Gravitative Loads One side oscillation, haulage chain 64 are straightened, and then limit pulley main body 31 and continue to swing, and are led with reducing rope with assembly pulley abrasion Phenomena such as damage of cause.

Referring to Fig. 10, installation falling proof device is used to upper frame body 10 being attached with suspender 400, the present embodiment In one optional embodiment, installation falling proof device includes connecting plate 71 and bearing pin external member 72, connecting plate 71 and upper frame body Ear mount 13 on 10 is fastened by bolts part connection, and suspender 400 is connected by bearing pin external member 72 with connecting plate 71；Refer to figure 11, in another optional embodiment of the present embodiment, installation falling proof device includes U-shaped connector 73, connecting plate 71 and pin Sleeve member 72, U-shaped connector 73 are connected with connecting plate 71, and U-shaped connector 73 is fastened by bolts on part and upper frame body 10 Ear mount 13 connects, and is installed connecting plate 71 and suspender 400 by bearing pin external member 72.Figure 12 is referred to, the present embodiment is again In one optional embodiment, installation falling proof device includes U-shaped connector 73, rope 74, bearing pin external member 72, U-shaped connector 73 It is connected with rope 74, U-shaped connector 73 is fastened by bolts part and is connected with the ear mount 13 on upper frame body 10, passes through bearing pin external member 72 are installed connecting plate 71 and suspender 400.

Referring to Fig. 1, storage cable device 80 is used to collect the cable that storage crane is servo-actuated when lifting mechanism works.Store up cable Device 80 includes cable storage frame 81, protection ring 82 and coniform lead core 83, and cable storage frame 81 is reinforcing bar or steel pipe etc. Frame-type cylindrical structure made of welding, including upper cylinder and lower cylinder, upper cylinder are inversion type cone, and lower cylinder is just vertical circular cone Shape, less one end of diameter of upper cylinder are connected with less one end of diameter of lower cylinder, one end being relatively large in diameter of lower cylinder and restocking Main body 10 is connected, and lower cylinder is located at the medium position of upper frame body 10, and lead core 83 is arranged on upper frame body 10, positioned at lower cylinder It is interior, the storage cable space of annular is formd with lower cylinder, less one end of diameter of lead core 83 extends towards the openend of upper cylinder. Protection ring 82 is arranged on the openend of upper cylinder, and protection ring 82 is made using nylon material, to reduce the abrasion of cable.

Fig. 3-Fig. 5 is referred to, opening and closing device 90 of shipping and reselling on another market is used to suspender 400 and upper frame body 10 being attached, on every Opening and closing device 90 of shipping and reselling on another market is both provided with the end carriage 12 of frame body 10, i.e., is provided with two sets of opening and closing devices of shipping and reselling on another market on upper frame body 10 90, suspender 400 is connected with upper frame body 10 by two sets of opening and closing devices 90 of shipping and reselling on another market.Realized by operating driving lever 92 with lock pin 94 Ship and resell on another market 911 opening and locking, and then realize the connection and dismounting of suspender 400.Opening and closing device 90 of shipping and reselling on another market include ship and resell on another market assembly 91, Driving lever 92, chain 93, lock pin 94, connecting rod 95, bearing 96, unbalance-loading detecting device 97 of weighing.Assembly 91 ship and resell on another market by 911, spiral shell of shipping and reselling on another market Mother 912, connecting lever 913 form, and are arranged inside the end carriage of frame body 10, unbalance-loading detecting device 97 of weighing is set in connecting lever 913 Bottom is shipped and resell on another market on 911, by the weight and the unbalance loading situation of corner location goods of program automatic detection goods, when reaching setting Some operations are given a warning or cut off during value, to ensure safe operation.911 are shipped and resell on another market with two respectively by link pin in the both ends of connecting rod 95 The connecting lever 913 at place is connected, and is arranged in bearing 96, and driving lever 92 is arranged on connecting rod 95, for operator link 95, lock pin 94 and chain Bar 93 connects, for 911 being rotated in place to postpone and being fixed in bearing 96 by connecting rod 95 when ship and resell on another market, to ensure to ship and resell on another market 911 Position locks.

It should be noted that unbalance-loading detecting device 97 of weighing is prior art, not to its 26S Proteasome Structure and Function in the present embodiment It is improved, in order to avoid narration repeats burden, herein without describing in detail.

Railing 100 is arranged at the both ends of frame body 10, is located at the same side with assembly pulley 30, cat ladder 200 is arranged at restocking In main body 10, the position of cat ladder 200 is corresponding with the gap position of railing 100, can enter what railing 100 surrounded from cat ladder 200 In region.

The present embodiment provide brake type sling upper rack, upper frame body 10 top set four groups of assembly pulleys 30, two groups Assembly pulley 30 is a pair, and two pairs of assembly pulleys 30 are located at the both sides of the length direction of upper frame body 10 and are symmetrical arranged, each pair pulley Group 30 is arranged in "eight" shape, and every group of assembly pulley 30 is installed on upper frame body 10 by gantry pillars 41 and pivoting support 50 On, this arrangement can increase the angle between hoist rope after being matched with corresponding lifting mechanism, advantageously reduce and hang Has 400 rocking tendency in use.Buffer unit 60 is arranged at the inner side of assembly pulley 30, on upper frame body 10 Portion, for assembly pulley 30 is toppled under Gravitative Loads to side when steel wire rope looseness when support, to reduce assembly pulley 30 Abrasion and impact when toppling over to pulley main body 31.Safe anti-falling dropping control device is provided between suspender 400 and upper frame body 10 70, for prevent when upper frame body 10 ship and resell on another market 911 damage when container spreader 400 and its caused by objects underneath falls Accident, i.e., in the usually course of work, safe anti-falling dropping control device 70 does not stress or stress is smaller, when the upper He of frame body 10 of connection Suspender 400 ship and resell on another market 911 damage when, the Action of Gravity Field of suspender 400 and article thereon is kept away on safe anti-falling dropping control device 70 Suspender 400 is exempted from and article thereon directly falls caused accident, more securely and reliably.

It should be noted that anti-off rope device can also be installed on assembly pulley 30, installation anti-off rope device be used to preventing around The rope being located on pulley main body 31 comes off out of rope race 312, and anti-off rope device includes support frame and adjustable plate, branch Support includes two risers and a transverse slat, and two risers are relative to be arranged in parallel, and transverse slat is installed on the same side of two risers, The opposite side of the relative transverse slat of two risers is separately mounted on the installing plate of pulley bracket 32, between transverse slat and pulley main body 31 Gap is formed, is provided with adjustment hole on transverse slat, adjustment hole is Long Circle hole.Two risers, transverse slat and pulley main body 31 surround Closing space 313.Adjustable plate is rectangular slab, and adjustable plate is arranged on transverse slat, one side of the adjustable plate close to pulley main body 31 For the arc surface of indent, the mounting hole to match with adjustment hole is provided with adjustable plate, adjustable plate is fastened by bolts part installation On transverse slat, bolt fastener is plugged in adjustment hole and mounting hole, and bolt fastener can be slided in adjustment hole relative to transverse slat It is dynamic, and then the gap between adjustable plate and pulley main body 31 is changed, namely change the size of closing space 313.

Crane embodiment

Present embodiments provide a kind of crane, including the brake type sling upper rack that above-described embodiment provides.

Preferred embodiment of the present utility model is the foregoing is only, is not limited to the utility model, for this For the technical staff in field, the utility model can have various modifications and variations.It is all in the spirit and principles of the utility model Within, any modification, equivalent substitution and improvements made etc., it should be included within the scope of protection of the utility model.

Claims (10)

1. A kind of 1. brake type sling upper rack, it is characterised in that including upper frame body, brake apparatus and multigroup assembly pulley, every group The assembly pulley includes pulley main body and pulley bracket, and the pulley main body is articulated in the pulley bracket；The braking dress Put and be installed on the pulley bracket；The brake apparatus includes the dog point being arranged in pairs, two systems being arranged in pairs Grip orifice is formed between moved end, the pulley main body is stretched into the grip orifice, and two pinching ends are close to each other or remote From to change the gap of the grip orifice and then select to clamp or decontrol the pulley main body.
2. 2. brake type sling upper rack according to claim 1, it is characterised in that the pulley main body includes what is be oppositely arranged Two wheel faces and the rope confined planes between two wheel faces, each there is annular clamping section on the wheel face, often The individual annular clamping section is extended radially outwardly on the rope confined planes along the pulley main body.
3. 3. brake type sling upper rack according to claim 1, it is characterised in that two assembly pulleys are arranged in pairs, more Length direction of the assembly pulley along upper frame body is intervally arranged, the axis of the pulley main body of assembly pulley described in each pair prolongs Long line intersects at a point.
4. 4. brake type sling upper rack according to claim 3, it is characterised in that including two pairs of assembly pulleys, two pairs of institutes State assembly pulley be located parallel to the upper frame body width center line both sides and be symmetrical arranged, two pairs of pulleys Group is between two joinings.
5. 5. according to the brake type sling upper rack described in claim any one of 1-4, it is characterised in that also including swing mechanism, institute Stating swing mechanism includes gantry pillars, swinging axle and swinging axle clamp, and the pulley bracket is rotationally connected with the swinging axle On, the swinging axle is rotationally connected with the gantry pillars by the swinging axle clamp, and the gantry pillars is installed on institute State frame body.
6. 6. brake type sling upper rack according to claim 5, it is characterised in that described to swing branch also including pivoting support Seat is installed on the pivoting support, and the pivot center of the pivoting support is vertical with the pivot center of the pulley main body to be set Put, the pivoting support is installed on the upper frame body.
7. 7. brake type sling upper rack according to claim 5, it is characterised in that also including buffer unit, the buffering dress Put for limit the pulley main body relative to the gantry pillars vertical direction hunting range.
8. 8. according to the brake type sling upper rack described in claim any one of 1-4, it is characterised in that also fall including safe anti-falling Device, for connecting suspender and the upper frame body.
9. 9. according to the brake type sling upper rack described in claim any one of 1-4, it is characterised in that also including cable storage frame, protection Ring and coniform lead core, the cable storage frame are installed on the plate face medium position of the upper frame body, the cable storage frame End away from the upper frame body is opening, and the lead core is located in the cable storage frame, and the lead core is straight The larger end in footpath is installed on the upper frame body, and the protection ring is arranged on the open-mouth.
10. 10. a kind of crane, it is characterised in that including the brake type sling upper rack according to claim any one of 1-9.