CN207090840U

CN207090840U - A kind of small-sized crane

Info

Publication number: CN207090840U
Application number: CN201720674827.XU
Authority: CN
Inventors: 董永军
Original assignee: Huaian City Jun Rui Powerise Industrial Design Co
Current assignee: Huaian City Jun Rui Powerise Industrial Design Co
Priority date: 2017-06-10
Filing date: 2017-06-10
Publication date: 2018-03-13
Anticipated expiration: 2027-06-10

Abstract

The utility model discloses a kind of small-sized crane, including base, pillar, lifting arm, brake actuator, rope, fixed pulley and suspension hook, pillar is fixed on base tip edges, pillar top is provided with lifting arm, connected between lifting arm and pillar by rotating shaft set, lifting arm is by bottom plate, the triangle start arm that adjutage and pull bar are formed, brake actuator is provided with bottom plate, the junction of adjutage and pull bar is provided with fixed pulley, suspension hook is connected by rope through fixed pulley with brake actuator, adjutage side is provided with supporting plate, rope passage is provided with supporting plate, support plate top surface is provided with power set, pendulous device is provided with below supporting plate, power set include motor, decelerator and travelling gear, motor is connected with decelerator, travelling gear is connected with decelerator.Have the beneficial effect that：Ensure that goods walking is unimpeded, save manpower, constantly give a warning, safeguard work Environmental security, eliminate safe hidden trouble.

Description

A kind of small-sized crane

Technical field

Small mechanical equipment field is the utility model is related to, it particularly relates to a kind of small-sized crane.

Background technology

Small-sized crane is a kind of function admirable, using extremely wide small mechanical equipment.Suitable for skyscraper Lifting job, such as various construction materials, the handling of various art works, the plank particularly carried to corridor inconvenience, carpenter The length and width such as plate material has more its unique advantage.Simultaneously, it can also be used to lathe above and below the big workpiece of engineering shop, household electrical appliances Factory, the production assembly line of food factory, warehouse and family's handling article etc..But existing small-sized crane, sling goods , it is necessary to which a following people hauls goods with rope during thing, change goods direction of travel avoiding obstacles, not only waste of manpower, and And this operation has potential safety hazard, and without any information warning, lower section often occurs that other workers walk about, makes work Potential safety hazard be present in environment.

The problem of in correlation technique, effective solution is not yet proposed at present.

Utility model content

The problem of in correlation technique, the utility model proposes a kind of small-sized crane, to overcome existing correlation technique Existing above-mentioned technical problem.

What the technical solution of the utility model was realized in：

A kind of small-sized crane, including base, pillar, lifting arm, brake actuator, rope, fixed pulley and suspension hook, institute State pillar and be fixed on the base tip edges, the pillar top is provided with lifting arm, the lifting arm and the pillar Between connected by rotating shaft set, the lifting arm is the triangle start arm that is made up of bottom plate, adjutage and pull bar, the bottom plate On be provided with the brake actuator, the junction of the adjutage and the pull bar is provided with the fixed pulley, described to hang Hook is connected by rope through the fixed pulley with the brake actuator, and the adjutage side is provided with supporting plate, institute State and rope passage is provided with supporting plate, the support plate top surface is provided with power set, and pendulum is provided with below the supporting plate Dynamic device, the power set include motor, decelerator and travelling gear, and the motor is connected with the decelerator, the biography Moving gear is connected with the decelerator, and the pendulous device includes two swing rods, centering block and driven gear, and described swing rod one end is lived It is dynamic to be connected to the supporting plate both sides and be movably connected on the centering block, institute close to the rope passage, the swing rod other end State driven gear and be fixed on the swing rod top, the driven gear is meshed with the travelling gear, is set inside the centering block Through hole is equipped with, the rope sequentially passes through the rope passage and the through hole, and the fixed pulley is provided at both ends with fixed support, The fixed support top is provided with reflective mirror, and the reflective mirror top is provided with alarm warning lamp, the brake actuator One end is provided with controlling switch, and the alarm warning lamp is connected with the controlling switch, and the motor connects with the controlling switch Connect.

Further, it is provided with pressure bearing between the rotating shaft set bottom and the column contacts face.

Further, the through hole is internally provided with pulley one and pulley two, the outer rim of pulley one and the pulley two Outer rim fits, and the rope is through the pulley one and the pulley two.

Further, the brake actuator includes motor, reducer of turbodrill and winding roller, the motor and institute Reducer of turbodrill connection is stated, the reducer of turbodrill is connected with the winding roller, and the rope is connected to the winding roller.

The beneficial effects of the utility model：By setting expansion link and reflective mirror, when crane works, link up with goods Thing rises or declined, and operator can be carried out observation goods by reflective mirror and be risen or fallen, and run into barrier, can be by dynamic Power apparatus and pendulous device synergy, motor driven reduction box are rotated, and power is transmitted into travelling gear, travelling gear drive from Moving gear rotates, because driven gear and swing rod are fixed so that swing rod starts to swing, and so as to drive centering block to swing, and then realizes Goods is extrapolated or interior drawing, avoiding obstacles, ensure the unblocked of goods walking, and do not need worker to restrict below Son control goods trend, saves manpower, following worker can be made to prevent goods comes off from causing safe thing away from working space Therefore the setting for warning lamp of alarming, can ceaselessly it be given a warning when crane works, the moment reminds the worker that surrounding is passed through, and protects Hinder working environment around safety, the utility model beneficial effect be can one voluntarily adjust goods trend, ensure goods row Walk unimpeded, save manpower, constantly give a warning during work, the safety of safeguard work environment, eliminate safe hidden trouble.

In addition, by setting pressure bearing, the sliding friction between rotating shaft set bottom and column contacts face is changed into rolling Friction, greatly reducing frictional force, can not only reduce manpower, and reduce the abrasion of parts, be used so as to extend Life-span；By the setting of pulley one and pulley two, the sliding friction between rope and groove is switched into rolling friction, greatly subtracted Few frictional force, with the abrasion of less rope or can be rubbed, and extend the service life of rope, be ensured safe to use.

Brief description of the drawings

, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art In the required accompanying drawing used be briefly described, it should be apparent that, drawings in the following description are only of the present utility model Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to this A little accompanying drawings obtain other accompanying drawings.

Fig. 1 is the overall structure figure according to the small-sized crane of the utility model embodiment；

Fig. 2 is the supporting plate top view according to the small-sized crane of the utility model embodiment；

Fig. 3 is the centering block top view according to the small-sized crane of the utility model embodiment；

Fig. 4 is the brake structure chart according to the small-sized crane of the utility model embodiment.

1st, base；2nd, pillar；3rd, lifting arm；301st, bottom plate；302nd, adjutage；303rd, pull bar；4th, brake actuator； 401st, motor；402nd, reducer of turbodrill；403rd, roller is wound；5th, rope；6th, fixed pulley；7th, suspension hook；8th, rotating shaft set；9th, support Plate；10th, rope passage；11st, power set；1101st, motor；1102nd, decelerator；1103rd, travelling gear；12nd, pendulous device； 1201st, swing rod；1202nd, centering block；1203rd, driven gear；13rd, through hole；14th, fixed support；15th, reflective mirror；16th, alarm warning Lamp；17th, controlling switch；18th, pressure bearing；19th, pulley one；20th, pulley two.

Embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole Embodiment.Based on the embodiment in the utility model, every other embodiment that those of ordinary skill in the art are obtained all belongs to In the scope of the utility model protection.

According to embodiment of the present utility model, there is provided a kind of small-sized crane.

As Figure 1-4, according to the small-sized crane of the utility model embodiment, including base 1, pillar 2, lifting arm 3rd, brake actuator 4, rope 5, fixed pulley 6 and suspension hook 7, the pillar 2 is fixed on the tip edges of base 1, described The top of pillar 2 is provided with lifting arm 3, is connected between the lifting arm 3 and the pillar 2 by rotating shaft set 8, the lifting arm 3 For the triangle start arm being made up of bottom plate 301, adjutage 302 and pull bar 303, the braking is provided with the bottom plate 301 Transmission device 4, the junction of the adjutage 302 and the pull bar 303 are provided with the fixed pulley 6, and the suspension hook 7 passes through rope Rope 5 is connected through the fixed pulley 6 with the brake actuator 4, and the side of adjutage 302 is provided with supporting plate 9, described Rope passage 10 is provided with supporting plate 9, the top surface of supporting plate 9 is provided with power set 11, and the lower section of supporting plate 9 is set There is pendulous device 12, the power set 11 include motor 1101, decelerator 1102 and travelling gear 1103, the motor 1101 It is connected with the decelerator 1102, the travelling gear 1103 is connected with the decelerator 1102, and the pendulous device 12 includes Two swing rods 1201, centering block 1202 and driven gear 1203, described one end of swing rod 1201 are movably connected on the both sides of supporting plate 9 And it is movably connected on the centering block 1202, the driven gear close to the rope passage 10, the other end of swing rod 1201 1203 are fixed on the top of swing rod 1201, and the driven gear 1203 is meshed with the travelling gear 1103, the centering block 1202 are internally provided with through hole 13, and the rope 5 sequentially passes through the rope passage 10 and the through hole 13, the fixed pulley 6 Fixed support 14 is provided at both ends with, the top of fixed support 14 is provided with reflective mirror 15, and the top of reflective mirror 15 is provided with Alarm warning lamp 16, described one end of brake actuator 4 are provided with controlling switch 17, the alarm warning lamp 16 and the control The connection of switch 17, the motor 1101 are connected with the controlling switch 17.

In one embodiment, can be by using the rotating shaft set 8 in order to reduce friction of the rotating shaft set 8 between pillar 2 Pressure bearing 18 is provided with to realize between bottom and the contact surface of the pillar 2, by setting pressure bearing 18, by rotating shaft set 8 Sliding friction between bottom and the contact surface of pillar 2 is changed into rolling friction, greatly reducing frictional force, can not only reduce people Power, and reduce the abrasion of parts, so as to increase the service life.

In one embodiment, can be by using in the through hole 13 in order to reduce the friction between through hole 13 and rope 5 Portion is provided with pulley 1 and pulley 2 20, and the outer rim of pulley 1 fits with the outer rim of pulley 2 20, the rope 5 Realized through the pulley 1 and the pulley 2 20, by the setting of pulley 1 and pulley 2 20, by rope 5 Sliding friction between through hole 13 switchs to rolling friction, greatly reduces frictional force, can be with the abrasion of less rope 5 or mill It is disconnected, extend the service life of rope 5, ensure safe to use.

In one embodiment, for the brake actuator 4, it can be wrapped using the brake actuator 4 Motor 401, reducer of turbodrill 402 and winding roller 403 are included, the motor 401 is connected with the reducer of turbodrill 402, described Reducer of turbodrill 402 is connected with the winding roller 403, and the rope 5 is connected to the winding roller 403 to realize, turbine The setting of decelerator 402, due to the irreversibility that reducer of turbodrill 402 is driven, the goods that will can be sling is locked in any position Put, convenient operation.

In summary, by means of above-mentioned technical proposal of the present utility model, by setting reflective mirror 15, worked in crane When, linking up with goods to rise or decline is, operator can be carried out observation goods by reflective mirror 15 and be risen or fallen, and be run into Barrier, can be by power set 11 and the synergy of pendulous device 12, and motor 1101 drives reduction box 1102 to rotate, by power Travelling gear 1103 is transmitted to, travelling gear 1103 drives driven gear 1203 to rotate, due to driven gear 1203 and swing rod 1201 It is fixed so that 1201 bars of pendulum start to swing, and so as to drive centering block 1202 to swing, and then goods is extrapolated for realization or interior drawing, Avoiding obstacles, the unblocked of goods walking is ensured, and do not need worker to be moved towards with rope control goods below, saved Manpower, following worker can be made to prevent goods comes off from causing security incident away from working space, the setting for warning lamp 16 of alarming, Can ceaselessly it be given a warning when crane works, the moment reminds the worker that surrounding is passed through, the peace of safeguard work environment Entirely, the utility model beneficial effect be can one voluntarily adjust goods trend, ensure goods walking it is unimpeded, save manpower, work Constantly give a warning, the safety of safeguard work environment, eliminate safe hidden trouble when making.

In addition, by setting pressure bearing 18, the sliding friction between the bottom of rotating shaft set 8 and the contact surface of pillar 2 is changed into Rolling friction, frictional force is greatly reducing, can not only reduce manpower, and reduce the abrasion of parts, so as to extend Service life；By the setting of pulley 1 and pulley 2 20, the sliding friction between rope 5 and through hole 13 is switched into rolling and rubbed Wipe, greatly reduce frictional force, with the abrasion of less rope 5 or can rub, extend the service life of rope 5, ensure using peace Entirely.

Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model Within the spirit and principle of utility model, any modification, equivalent substitution and improvements made etc., the utility model should be included in Protection domain within.

Claims

1. a kind of small-sized crane, it is characterised in that including base (1), pillar (2), lifting arm (3), brake actuator (4), rope (5), fixed pulley (6) and suspension hook (7), the pillar (2) are fixed on the base (1) tip edges, the branch Post (2) top is provided with lifting arm (3), is connected between the lifting arm (3) and the pillar (2) by rotating shaft set (8), described Lifting arm (3) is the triangle start arm that is made up of bottom plate (301), adjutage (302) and pull bar (303), the bottom plate (301) On be provided with the brake actuator (4), the junction of the adjutage (302) and the pull bar (303) is provided with described Fixed pulley (6), the suspension hook (7) are connected by rope (5) through the fixed pulley (6) with the brake actuator (4), institute State adjutage (302) side and be provided with supporting plate (9), rope passage (10), the supporting plate are provided with the supporting plate (9) (9) top surface is provided with power set (11), and pendulous device (12), the power set are provided with below the supporting plate (9) (11) motor (1101), decelerator (1102) and travelling gear (1103), the motor (1101) and the decelerator are included (1102) connect, the travelling gear (1103) is connected with the decelerator (1102), and the pendulous device (12) includes two Swing rod (1201), centering block (1202) and driven gear (1203), described swing rod (1201) one end are movably connected on the supporting plate (9) both sides and close to the rope passage (10), swing rod (1201) other end is movably connected on the centering block (1202), institute State driven gear (1203) and be fixed on the swing rod (1201) top, the driven gear (1203) and the travelling gear (1103) it is meshed, the centering block (1202) is internally provided with through hole (13), and the rope (5) sequentially passes through the rope passage (10) and the through hole (13), the fixed pulley (6) are provided at both ends with fixed support (14), and fixed support (14) top is set Reflective mirror (15) is equipped with, reflective mirror (15) top is provided with alarm warning lamp (16), described brake actuator (4) one end Be provided with controlling switch (17), the alarm warning lamp (16) is connected with the controlling switch (17), the motor (1101) and Controlling switch (17) connection.

2. small-sized crane according to claim 1, it is characterised in that rotating shaft set (8) bottom and the pillar (2) Pressure bearing (18) is provided between contact surface.

3. small-sized crane according to claim 1, it is characterised in that the through hole (13) is internally provided with pulley one (19) fitted with pulley two (20), described (19) outer rim of pulley one with described (20) outer rim of pulley two, the rope (5) passes through Between the pulley one (19) and the pulley two (20).

4. small-sized crane according to claim 1, it is characterised in that the brake actuator (4) includes motor (401), reducer of turbodrill (402) and winding roller (403), the motor (401) are connected with the reducer of turbodrill (402), The reducer of turbodrill (402) is connected with the winding roller (403), and the rope (5) is connected to the winding roller (403)。