CN209411611U - A kind of portal jib crane - Google Patents

Abstract

The utility model discloses a kind of portal jib cranes, including crossbeam and climbing ladder, supporting leg is vertically fixedly installed at left and right sides of the crossbeam bottom, the cross rail top middle position is fixedly installed with hoist engine horizontally to the right, the opposite equal level of a upper lateral part of supporting leg described in two groups is fixedly connected with cross bar, and the one end of the cross bar far from supporting leg is fixedly connected with level on the inside of rectangle slide bar.The utility model is by being fixedly connected with cross bar in the opposite equal level of a upper lateral part of two groups of supporting legs, the one end of cross bar far from supporting leg is fixedly connected with level on the inside of rectangle slide bar, and be provided with can movable block compatible with rectangle slide bar climbing ladder, multi-faceted progress operator is facilitated to carry out maintenance of climbing, conveniently moving, it is time saving and energy saving, it is more practical, it is suitble to be widely popularized and uses.

Description

A kind of portal jib crane

Technical field

The utility model is suitable for lifting appliance field, in particular to a kind of portal jib crane.

Background technique

Currently, portal jib crane is a kind of deformation of bridge crane, it is called gantry crane.It is mainly used for outdoor goods The handling operation of field, stock ground goods, bulk goods.Its metal structure installs two stabilizer blades, Ke Yizhi as door-shaped frame under support main beam It connects and walks on the track on ground, girder both ends can have overhanging cantilever beam.Gantry crane has utilization of area rate height, makees Industry range is big, adapts to the features such as wide, versatile, is used widely in port yard.

Especially for the portal jib crane that workshop uses, since driving hanging apparatus is arranged on the crossbeam of crane, every It when secondary periodic inspection, needs that in addition operator goes to move double ladder or ladder is ascended a height, is inconvenient.Therefore, Wo Menti A kind of portal jib crane out.

Utility model content

The main purpose of the utility model is to provide a kind of portal jib cranes, can effectively solve asking in background technique Topic.

To achieve the above object, the technical solution that the utility model is taken are as follows:

A kind of portal jib crane, including crossbeam and climbing ladder, the crossbeam bottom left and right sides are vertically fixedly installed with branch Support leg, the cross rail top middle position are fixedly installed with hoist engine horizontally to the right, on the opposite side of supporting leg described in two groups The equal level in portion is fixedly connected with cross bar, and the one end of the cross bar far from supporting leg is fixedly connected with level on the inside of rectangle slide bar, The climbing ladder includes side plate and pedal, and the side plate is two groups and is parallel to each other, and the pedal is the fixed company of multiple groups and branch office It connects between the side plate described in two groups, the climbing ladder right side central position on the upper side is fixedly installed with movable block, and the movable block is right Middle side part offers sliding slot compatible with rectangle slide bar, and the sliding slot is flexibly connected with rectangle slide bar, the movable block bottom It is fixedly connected by support rod with climbing ladder.

Further, four corners of the rectangle slide bar are arc.

Further, anti-skid rubber cushion is fixedly connected at the top of the pedal.

Further, the climbing ladder upper end is flushed with cross rail top.

Further, the movable block with a thickness of 5cm.

Compared with prior art, the utility model has the following beneficial effects:

1. the portal jib crane of the utility model, by being fixedly connected in the opposite equal level of a upper lateral part of two groups of supporting legs Cross bar, the one end of cross bar far from supporting leg are fixedly connected with level on the inside of rectangle slide bar, and being provided with can be sliding with rectangle The climbing ladder of the compatible movable block of bar facilitates multi-faceted progress operator to carry out maintenance of climbing, conveniently moving, time saving province Power.

2. the portal jib crane of the utility model guarantees maintenance people due to being fixedly connected with anti-skid rubber cushion at the top of pedal The safety of climbing of member.

Detailed description of the invention

Fig. 1 is the overall structure diagram of the utility model portal jib crane；

Fig. 2 is the rectangle slide bar and crossbeam position schematic top plan view of the utility model portal jib crane；

Fig. 3 is the movable block and rectangle slide bar attachment structure schematic diagram of the utility model portal jib crane；

Fig. 4 is the climbing ladder structural schematic diagram of the utility model portal jib crane.

In figure: 1, crossbeam；2, hoist engine；3, cross bar；4, rectangle slide bar；5, supporting leg；6, movable block；7, support rod；8, Climbing ladder；81, pedal；82, side plate；83, anti-skid rubber cushion；9, sliding slot.

Specific embodiment

To be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, below In conjunction with specific embodiment, the utility model is further described.

As shown in Figs 1-4, a kind of portal jib crane, including crossbeam 1 and climbing ladder 8,1 bottom of the crossbeam left and right sides are hung down It directly is fixedly installed with supporting leg 5, the 1 top center position of crossbeam is fixedly installed with hoist engine 2 horizontally to the right, props up described in two groups The opposite equal level of a upper lateral part of support leg 5 is fixedly connected with cross bar 3, and the described one end of cross bar 3 far from supporting leg 5 is sliding with rectangle 4 inside level of bar is fixedly connected, and the climbing ladder 8 includes side plate 82 and pedal 81, and the side plate 82 is two groups and is parallel to each other, The pedal 81 is 8 right side central of climbing ladder position on the upper side between side plate 82 described in multiple groups and branch office are fixedly connected on two groups It sets and is fixedly installed with movable block 6,6 right side central of movable block offers sliding slot 9 compatible with rectangle slide bar 4, the cunning Slot 9 is flexibly connected with rectangle slide bar 4, and 6 bottom of movable block is fixedly connected by support rod 7 with climbing ladder 8.

As depicted in figs. 1 and 2 by being fixedly connected in the opposite equal level of a upper lateral part of two groups of supporting legs 5 in the present embodiment There is cross bar 3, the one end of cross bar 3 far from supporting leg 5 is fixedly connected with 4 inside level of rectangle slide bar, and being provided with can be with The climbing ladder 8 of the compatible movable block 6 of rectangle slide bar 4 facilitates multi-faceted progress operator to carry out maintenance of climbing, movement side Just, time saving and energy saving.

Wherein, four corners of the rectangle slide bar 4 are arc.

As shown in Fig. 2, guaranteeing that movable block 6 can be in corner's carry out activity in the present embodiment.

Wherein, anti-skid rubber cushion 83 is fixedly connected at the top of the pedal 81.

As shown in figure 3, guaranteeing the safety of climbing of service personnel in the present embodiment.

Wherein, it is flushed at the top of 8 upper end of climbing ladder and crossbeam 1.

As shown in Figure 1, guaranteeing that operator can have enough high speed operations after climbing in the present embodiment.

Wherein, the movable block 6 with a thickness of 5cm, convenient for improving flexibility of the movable block 6 on rectangle slide bar 4.

Working principle: when service work personnel need the equipment to 1 top of crossbeam to overhaul, climbing ladder 8 is passed through Sliding slot 9 on movable block 6 is moved to the position of adaptation on rectangle slide bar 4, and then operator passes through stepping on climbing ladder 8 again Plate 81 is climbed, convenient and efficient, pushes climbing ladder 8 to set back when not used.

The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above.Current row The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.The utility model Claimed range is defined by the appending claims and its equivalent thereof.

Claims (5)

1. a kind of portal jib crane, including crossbeam (1) and climbing ladder (8), it is characterised in that: at left and right sides of crossbeam (1) bottom It being vertically fixedly installed with supporting leg (5), crossbeam (1) the top center position is fixedly installed with hoist engine (2) horizontally to the right, The opposite equal level of a upper lateral part of supporting leg described in two groups (5) is fixedly connected with cross bar (3), and the cross bar (3) is far from supporting leg (5) one end is fixedly connected with level on the inside of rectangle slide bar (4), and the climbing ladder (8) includes side plate (82) and pedal (81), The side plate (82) is two groups and to be parallel to each other, the pedal (81) be multiple groups and branch office be fixedly connected on two groups described in side plate (82) between, climbing ladder (8) right side central position on the upper side is fixedly installed with movable block (6), in movable block (6) right side Portion offers the compatible sliding slot (9) with rectangle slide bar (4), and the sliding slot (9) is flexibly connected with rectangle slide bar (4), the shifting Motion block (6) bottom is fixedly connected by support rod (7) with climbing ladder (8).

2. portal jib crane according to claim 1, it is characterised in that: four corners of the rectangle slide bar (4) are arc Shape.

3. portal jib crane according to claim 1, it is characterised in that: be fixedly connected with anti-skidding rubber at the top of the pedal (81) Rubber mat (83).

4. portal jib crane according to claim 1, it is characterised in that: neat at the top of climbing ladder (8) upper end and crossbeam (1) It is flat.

5. portal jib crane according to claim 1, it is characterised in that: the movable block with a thickness of 5cm.