CN208648609U - A kind of lifting device of gantry crane - Google Patents

Abstract

The utility model discloses a kind of lifting devices of gantry crane, belong to lifting field, lifting device include load-bearing ontology, the clamp assemblies being movably connected below load-bearing ontology and with load-bearing ontology Power Component connected vertically, clamp assemblies include at least the first clamping limb and the second clamping limb adjustable in pitch being arranged in pairs, load-bearing ontology includes the first sliding rail and the second sliding rail set on its two sides and with the first clamping limb or the cooperation of the second clamping limb, second sliding rail is located at curb girder side, and the first sliding rail length is greater than the second sliding rail length；Power Component includes with the vertically disposed driving member of load-bearing ontology and being fixed at the assistor of driving member one end；When gantry crane is lifted, assistor and guide rail abutting make gantry crane be lifted to disengaging guide rail.The lifting device is arranged using anisopleual sliding rail, can control overall weight while guaranteeing balance, it is ensured that the taking, install of this lifting device, use, disassembly can be completed in a people.

Description

A kind of lifting device of gantry crane

Technical field

The utility model relates to lift field, in particular to a kind of lifting device of gantry crane

Background technique

The assembly shop of automobile manufacturing enterprise at present uses EHB gantry crane to sling vehicle body generally to assist filling With work.As shown in Figure 1 it is the partial structure diagram of EHB gantry crane, is to rely on guide rail 1, is moved along guide rail 1. EHB gantry crane includes crossbeam 2, with 1 upper surface of guide rail roll the traveling wheel 3 of connection and be connected to crossbeam 2 and traveling wheel 3 it Between curb girder 4.In normal course of operation, traveling wheel 3 and guide rail 1 are always to push against or be in clamping connection state.3 table of traveling wheel Face is generally coated with rubber layer, it is easy to breakage occur, often need to be replaced.

When crane components especially traveling wheel is damaged and broken down, need to carry out to repair in time to restore raw as early as possible It produces.The gantry crane as involved in the utility model is the unilateral dissymmetrical structure with curb girder 4, left and right sides weight It is distributed and asymmetric, which brings big inconvenience to maintenance.In general, we use suspender belt to cooperate with chain block to carry out Repairing, i.e., pinion crane cross bar with suspender belt, then sling crane by chain block, lift crane, then can replace Traveling wheel or other components.Using the emergency repair method, up to the 50min time for finding suitable hanging point during repairing It is installed, use, disassembly chain block, single emergency repair time is even more to be up to 80min, 85/time of production loss.In practice, Many situation site spaces are narrow, cause suspender belt and chain block to be installed inconvenient, repairing is difficult to carry out.Also, due to pulling calabash Reed is than cumbersome, and there are security risks.

It is of course also possible to be realized by hydraulic jack, but two jack are needed when in use while being used cooperatively, pacify Dress, take-down time are reduced to 30min, but walking wheel support weakness can not support crane weight, should not use.It can also be using as schemed Two pawl of machinery shown in 2 smoothes out with the fingers son, but the disadvantage is that jacking is laborious, screw rod stress major thread is easily-deformable, and use process exists disconnected Risk is split, service life is short；Screw rod conical top damages crane way, should not use.

Utility model content

In order to solve problems in the prior art, the utility model embodiment provides a kind of lifting device of gantry crane, The technical solution is as follows:

The lifting device include load-bearing ontology, the clamp assemblies being movably connected below the load-bearing ontology and with institute Load-bearing ontology Power Component connected vertically is stated,

Wherein:

The clamp assemblies include at least the first clamping limb and the second clamping limb being arranged in pairs, and first clamping limb It is adjustable with the spacing of the second clamping limb；

The load-bearing ontology is included at least to be cooperated set on its two sides and respectively with first clamping limb or the second clamping limb The first sliding rail and the second sliding rail, second sliding rail is located at curb girder side, and the first sliding rail length is greater than described second Sliding rail length；

The Power Component includes at least and the vertically disposed driving member of the load-bearing ontology and is fixed at the biography The assistor of moving part one end；

When by gantry crane lifting, the assistor is pushed against and is lifted with guide rail, described in the lifting device drive Gantry crane is lifted to disengaging guide rail.

Further, first sliding rail and the second sliding rail are horizontally disposed, described when carrying out gantry crane lifting The vertical range of first clamping limb to the Power Component is greater than second clamping limb to the vertical range of the Power Component.

Further, the clamp assemblies further include locating part, and the locating part is movably arranged at first sliding rail or On two sliding rails, and it is limited with first clamping limb or the cooperation of the second clamping limb.

Further, the lifting device further includes locating piece, and the locating piece is sheathed on outside the driving member, and described Locating piece is flexibly connected with the load-bearing ontology and one end is connect with the assistor.

Further, the locating piece is cored screw structure, and the locating piece is to be threadedly engaged with the driving member.

Further, the Power Component further includes cooperating with the driving member to control the hand of the driving member rotation Handle.

Further, the assistor is hydraulic amplifier device, and the tack mandril including being set to one end is described when lifting Tack mandril and guide rail, which push against, to be cooperated.

Technical solution provided by the embodiment of the utility model has the benefit that

(1) it is arranged using anisopleual sliding rail, when lifting two sides weight asymmetry object, can guaranteeing the same of balance When control overall weight, it is ensured that the taking, install of this lifting device, use, disassembly can be completed in a people；

(2) its structure for using hydraulic amplifier device and clamp assemblies to cooperate, there is stronger grab to embrace power and larger top lift, And jacking process fast and stable, complicated hydraulic plumbing system is eliminated, structure is simple, operates light；

(3) use of hydraulic amplifier device, the active force in lifting process between locating piece and the screw thread of load-bearing ontology are quiet Pressure can effectively extend the service life of device so that the lifting device smoothes out with the fingers minor structure compared to traditional two pawl of machinery；

(4) in lifting, tack mandril does not rotate, it is possible thereby to which guide rail surface is protected not to be destroyed under stress；

(5) locating part is set, the first clamping limb or the second clamping limb are limited in lifting process, prevent from falling, Further increase safety.

Detailed description of the invention

It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings Obtain other attached drawings.

Fig. 1 is the partial structure diagram for the EHB gantry crane that the utility model background technique provides；

Fig. 2 is the structural schematic diagram that two pawl of machinery that the utility model background technique provides smoothes out with the fingers son；

Fig. 3 is the structural schematic diagram of the lifting device of gantry crane provided by the embodiment of the utility model；

Fig. 4 is the master when lifting device of gantry crane provided by the embodiment of the utility model is lifted gantry crane View.

Fig. 5 is the side when lifting device of gantry crane provided by the embodiment of the utility model is lifted gantry crane View.

Fig. 6 is the bowing when lifting device of gantry crane provided by the embodiment of the utility model is lifted gantry crane View.

Fig. 7 is vertical when the lifting device of gantry crane provided by the embodiment of the utility model is lifted gantry crane Body structure chart.

Specific embodiment

To keep the purpose of this utility model, technical solution and advantage clearer, implement below in conjunction with the utility model Attached drawing in example, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that described reality Applying example is only the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, Every other embodiment obtained by those of ordinary skill in the art without making creative efforts, belongs to this reality With novel protected range.

In the description of the present invention, it should be understood that term " X-axis " " Y-axis " " Z axis " " vertical " " parallel " The orientation of the instructions such as "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" or Positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of describing the present invention and simplifying the description, Rather than the device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation, because This should not be understood as limiting the present invention.In addition, term " first ", " second " are used for description purposes only, and cannot manage Solution is indication or suggestion relative importance or the quantity for implicitly indicating indicated technical characteristic.Define as a result, " first ", The feature of " second " can explicitly or implicitly include one or more of the features.In the description of the present invention, Unless otherwise indicated, the meaning of " plurality " is two or more.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary, It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition The concrete meaning of language in the present invention.

Referring to shown in Fig. 3, the present embodiment provides a kind of lifting device 100 of gantry crane, which includes holding Weight ontology 10, the clamp assemblies 20 for being movably connected on the lower section of load-bearing ontology 10 and with the power packages connected vertically of load-bearing ontology 10 Part 30.Wherein, clamp assemblies 20 embrace crane for grabbing, and preferably grabbing and embracing position is crossbeam 2.The weight of the carrying crane of load-bearing ontology 10 Amount, Power Component 30 acts on guide rail 1 and generates lifting effect, so that crane be driven to lift it upwards.The gantry crane Lifting device 100, can be used in manufacturing industry the maintenance of gantry crane in hanging device or tourist industry in tourism cable car equipment And maintenance, the replacement especially suitable for gantry crane traveling wheel.

Referring to Fig. 3 to Fig. 6, clamp assemblies 20 are used to clamp the crossbeam 2 of crane, which includes being arranged in pairs First clamping limb 21 and the second clamping limb 22, and the spacing of the first clamping limb 21 and the second clamping limb 22 is adjustable.Certainly, clamping group Part 20 also may include more to clamping limb, to further increase the fastness grabbed when embracing cross bar 2.

In the present embodiment, each clamping arm configuration is all the same, further describes by taking the first clamping limb 21 as an example below: first Clamping limb 21 includes positioning region 24 interconnected, clamping part 25, that is to say, that positioning region 24, clamping part 25 are split type companies It connects, in this way, in actual use, the clamping part 25 of different structure can be replaced, to mention according to the difference for embracing object structure is grabbed High clamping effect.24 one end of positioning region is movably connected on load-bearing ontology 10, as a preferred embodiment, load-bearing ontology 10 include the first sliding rail 11 and the second sliding rail for being set to its two sides and cooperating respectively with the first clamping limb 21 or the second clamping limb 22 12.The positioning region 24 of first clamping limb 21 or the second clamping limb 22 is claw type structure, grasps the first sliding rail 11 or the second sliding rail 12, While realizing connection, the first clamping limb 21 or the second clamping limb 22 can also be along the first sliding rail 11 or the second sliding rails 12 or so Sliding adjusts spacing between the two to realize and embrace to quickly grabbing for crossbeam 2.

As the description in the utility model background technique, gantry crane is the unilateral dissymmetrical structure with curb girder 4, Left and right sides distribution of weight is simultaneously asymmetric, therefore the first clamping limb 21 is not identical as the load-bearing of the second clamping limb 22, by the first folder 21 load-bearing of gripping arm is denoted as F1, and 22 load-bearing of the second clamping limb is denoted as F2.It is assumed for convenience of description that the second sliding rail 12 is located at curb girder 2 Side, then F1 < F2.With the crosspoint of 30 place vertical line of Power Component and the first sliding rail 11 and 12 place straight line of the second sliding rail work Centered on point O, the distance of the first clamping limb 21 to O is denoted as L1, and the distance of the second clamping limb 22 to O is denoted as L2.According to lever original Reason, L1 > L2.In the present embodiment, load-bearing ontology 10 be it is horizontal positioned, L1, L2 are equal to the first clamping limb 21 or the second clamping limb 22 arrive Power Component vertical range, also, the summation of L1, L2 between the first clamping limb 21 and the second clamping limb 22 away from From, that is, the width of crossbeam 2, it is fixed value.According to above-mentioned analysis, when in use, the second clamping limb 22 and Power Component Vertical range between 30 is smaller, i.e., the active position that Power Component 30 is located at guide rail 1 should be biased to 4 one end of curb girder.Therefore, as A kind of preferred, 11 length of the first sliding rail should be greater than 12 length of the second sliding rail, and the adjustment of L1 > L2 is able to achieve when in order to use.

Load-bearing ontology 10 in the present embodiment is using asymmetric sliding rail design, when lifting two sides weight asymmetry object, Overall weight can be controlled while guaranteeing balance, it is ensured that a people can be completed the taking, install of this lifting device, using, tear open It unloads.

As a preferred embodiment, clamp assemblies 20 further include locating part 23, locating part 23 is arranged in pairs, activity It is limited on the first sliding rail 11 or the second sliding rail 12, and with the first clamping limb 21 or the cooperation of the second clamping limb 22. Locating part 23 can be mounted on load-bearing ontology 10, the moveable limit above the first sliding rail 11 or the second sliding rail 12 Card either limit switch, be also possible to be fixed at the stop screw of 22 two sides of the first clamping limb 21 or the second clamping limb or Person's Limit screw, by cooperating with the limit hole (not shown) on load-bearing ontology 10, to the first clamping limb 21 or the second clamping Arm 22 is limited, and prevents it from falling from two sides.Certainly, above-mentioned limiting card or limit switch, are those skilled in the art The prior art known to member, details are not described herein again.

Further, Power Component 30 include with the vertically disposed locating piece 31 of load-bearing ontology 10, be fixed at locating piece 31 The assistor 32 of one end and the driving member 34 in locating piece 31,34 one end of driving member are connect with by power with assistor 32 It is transferred to assistor 32.In the present embodiment, as a preferred embodiment, locating piece 31 is cored screw structure, and fixed Position part 31 is to be threadedly engaged with driving member 34, and driving member 34 can 31 rotation of relative positioning part.Assistor 32 includes being set to one end Tack mandril 33.Locating piece 31 is flexibly connected with load-bearing ontology, and load-bearing ontology 10 includes the screw hole cooperated with locating piece 31.It is fixed By being threadedly engaged between position screw rod and load-bearing ontology 10, when positioning screw is rotated to carry out coarse positioning, load-bearing ontology 10 with Relative motion axially occurs between locating piece 31.For ease of operation, locating piece 31 includes being set to one end in the present embodiment End holds convenient for operator.Signified coarse positioning in the present embodiment is made assistor 32 and is led by rotatable positioning member 31 1 upper surface of rail is in contact.

Assistor 32 is a kind of equipment for increasing power, after a certain amount of power input assistor, will be obtained twice or more Power output, therefore single technical staff does not need to take very big strength when operate the lifting device, can obtain preferable Lift effect.As a preferred embodiment, assistor 32 is hydraulic amplifier device, lifted with providing biggish top lift It rises.Using hydraulic amplifier device, relative to hydraulic system, the advantages of remaining its top lift big, fast and stable, while eliminating multiple Miscellaneous hydraulic plumbing system, so that structure is simple, operation is light, also, the use of hydraulic amplifier device, positions spiral shell in lifting process The active force that the screw thread of bar and load-bearing ontology 10 is subject to is static pressure, so that the lifting device is smoothed out with the fingers compared to traditional two pawl of machinery Pawl structure can effectively extend the service life of the lifting device 100.

In the present embodiment, tack mandril 33 is set to the pressure output end of hydraulic amplifier device, when hydraulic amplifier device is by track When crane lifts, 33 lower end surface of tack mandril and 1 upper surface of guide rail are abutting state, rotate driving member 34, give hydraulic amplifier device An input power is provided, then hydraulic amplifier device exports twice or more power output by tack mandril 33 and acts on guide rail 1.Due to guide rail 1 be it is fixed, lifting device 100 is achieved integral lifting during the continuous stretching of tack mandril 33. Usual tack mandril 33 extended length in use reaches 1-3cm.In lifting process, tack mandril 33 does not revolve Turn, it is possible thereby to which 1 surface of guide rail is protected not to be destroyed.

As a preferred embodiment, Power Component 30 further includes being set to 34 other end of driving member to control its rotation Handle 35, in order to technical staff operation.In the present embodiment, the preferred hexagonal socket nut of connector 34, the preferred ratchet of handle 35 The quick ratchet handle of handle, especially compact.

When we carry out the replacement of gantry crane traveling wheel using the gantry crane lifting device, replacing options include as follows Step:

S1: the position of the first clamping limb 21 of adjustment and the second clamping limb 22, so that clamp assemblies 20 embrace crane crossbeam 2, Rotatable positioning member 31 contacts assistor 32 with guide rail 1；

S2: rotating handle 35, lifting device 100 lifts upwards under the effect of assistor 32, and gantry crane is lifted to row It walks wheel 3 and is detached from guide rail 1, replace traveling wheel 3；

S3: replacement is completed, and reversely rotates handle 35, so that locating piece 31 reversely rotates, assistor 32 unloads power and acts on lower lift Liter device 100 drops to traveling wheel 3 and contacts with guide rail 1, withdraws lifting device 100, and the replacement of traveling wheel 3 is completed.

In above-mentioned steps S1, when adjusting the position of the first clamping limb 21 and the second clamping limb 22, it is located at the second sliding rail 12 4 side of curb girder, and the vertical range of the first clamping limb 21 to Power Component 30 is greater than the second clamping limb 22 to Power Component 30 Vertical range, i.e. position of the tack mandril 33 on guide rail 1 are suitable for being biased to 4 side of curb girder, so can be shortened the first clamping limb 21 And second clamping limb 22 adjustment time, and stability can be improved.After finding equalization point, the lifting of next step can be carried out.

In step S2, relative rotation occurs for rotating handle 35, driving member 34 and locating piece 31, and driving member 34 is to assistor 32 Certain pressure is inputted, pressure device 32 ejects tack mandril 33 downwards.Lifting is realized in ejection process.

In conclusion a kind of lifting device of the gantry crane provided in the utility model, can be used for but be not limited to make Make in industry the replacement of gantry crane traveling wheel in hanging device or tourist industry in tourism cable car equipment.The lifting device passes through Reasonably optimizing structure has the advantage that (1) is arranged using anisopleual sliding rail, in lifting two sides weight asymmetry object When, overall weight can be controlled while guaranteeing balance, it is ensured that a people can be completed the taking, install of this lifting device, using, Disassembly；(2) there is its structure for using hydraulic amplifier device and clamp assemblies to cooperate stronger grab to embrace power and larger top lift, and Jacking process fast and stable eliminates complicated hydraulic plumbing system, and structure is simple, operates light；(3) hydraulic amplifier device is adopted With, the active force that the screw thread of locating piece and load-bearing ontology is subject in lifting process is static pressure so that the lifting device compared to Traditional two pawl of machinery smoothes out with the fingers minor structure, can effectively extend the service life of the lifting device；(4) in lifting, tack mandril does not rotate, It is possible thereby to which guide rail surface is protected not to be destroyed under stress；(5) locating part is set, in lifting process to the first clamping limb or Second clamping limb is limited, and is prevented from falling, is further increased safety.

The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all practical at this Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model Within the scope of shield.

Claims (7)

1. a kind of lifting device of gantry crane, which is characterized in that the lifting device includes load-bearing ontology, is movably connected on institute State clamp assemblies below load-bearing ontology and with the load-bearing ontology Power Component connected vertically,

Wherein:

The clamp assemblies include at least the first clamping limb and the second clamping limb that are arranged in pairs, and first clamping limb and the The spacing of two clamping limbs is adjustable；

The load-bearing ontology include at least set on its two sides and cooperate respectively with first clamping limb or the second clamping limb the One sliding rail and the second sliding rail, second sliding rail is located at curb girder side, and the first sliding rail length is greater than second sliding rail Length；

The Power Component includes at least and the vertically disposed driving member of the load-bearing ontology and is fixed at the driving member The assistor of one end；

When by gantry crane lifting, the assistor is pushed against and is lifted with guide rail, and the lifting device drives the track Crane is lifted to disengaging guide rail.

2. a kind of lifting device of gantry crane according to claim 1, which is characterized in that first sliding rail and second Sliding rail is horizontally disposed, when carrying out gantry crane lifting, the vertical range of first clamping limb to the Power Component Greater than the vertical range of second clamping limb to the Power Component.

3. a kind of lifting device of gantry crane according to claim 2, which is characterized in that the clamp assemblies further include Locating part, the locating part are movably arranged on first sliding rail or the second sliding rail, and are pressed from both sides with first clamping limb or second Gripping arm cooperation limits it.

4. a kind of lifting device of gantry crane according to claim 1, which is characterized in that the lifting device further includes Locating piece, the locating piece are sheathed on outside the driving member, and the locating piece is flexibly connected with the load-bearing ontology and one end It is connect with the assistor.

5. a kind of lifting device of gantry crane according to claim 4, which is characterized in that the locating piece is hollow spiral shell Rod structure, and the locating piece is to be threadedly engaged with the driving member.

6. a kind of lifting device of gantry crane according to claim 1, which is characterized in that the Power Component further includes Cooperate with the driving member to control the handle of the driving member rotation.

7. a kind of lifting device of gantry crane according to claim 1, which is characterized in that the assistor is hydraulic adds Power device, the tack mandril including being set to one end, when lifting, the tack mandril and guide rail push against and cooperate.