CN213802624U - Explosion-proof electric double-beam crane - Google Patents

Abstract

The utility model provides an electronic two roof beam cranes of explosion-proof type, including first landing leg and second landing leg, the lower extreme of first landing leg and second landing leg all is equipped with the lower extreme roof beam, all be equipped with cart running gear on the landing leg of lower extreme roof beam below, the top of first landing leg and second landing leg all is fixed with the upper end roof beam, be equipped with the girder between first landing leg and the second landing leg, the bottom surface of two girder left ends is fixed with first flange, the bottom surface of two girder right-hand members is fixed with the second flange, the pilot hole that a plurality of set up side by side is seted up to the symmetry on the second flange, fixed connection can be dismantled through first flange and left upper end roof beam to the left end of two girders, the right-hand member of two girders passes through the adjustable fixed connection of second flange and upper end roof beam on right side, the I-steel track is equipped with the monkey, be equipped with explosion-proof type electric block on the monkey. The utility model discloses simple structure can become the hoist according to job site's demand and stride, operation convenient to use.

Description

Explosion-proof electric double-beam crane

Technical Field

The utility model belongs to the technical field of hoisting machinery equipment, especially, relate to an electronic two roof beam hoists of explosion-proof type.

Background

The crane refers to a multi-action crane for vertically lifting and horizontally carrying heavy objects within a certain range. The explosion-proof crane is a double-beam crane using an explosion-proof electric hoist as a hoisting mechanism, is suitable for the overhaul, loading and unloading work of machinery workshops, warehouses, stock yards and hydropower stations in light and medium work, and is hoisting equipment popularized and used in China.

But the explosion-proof type hoist that present workshop used is mostly two roof beam bridge crane or single-beam bridge crane, the walking track is laid on the wall top in workshop, running gear assembly is passed through on the walking track on walking wall top at the both ends of explosion-proof crane girder, because the distance between two walls in workshop is too big, bridge crane's girder can set up than longer, consequently at bridge crane working process, the running gear functioning speed at girder both ends appears the error, it shows to gnaw the rail very easily to appear, influence the production progress, and the bridge crane span can not be adjusted, bring inconvenience for the practical staff.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve the technical problem that the span between two landing legs can not be adjusted to explosion-proof hoist among the prior art, provide an electronic two roof beam hoists of explosion-proof type, including vertical first landing leg and the second landing leg that just the interval set up, first landing leg and second landing leg play and support fixed effect, and the lower extreme of first landing leg and second landing leg all is equipped with the lower extreme roof beam, and the bottom of first landing leg and second landing leg all is equipped with cart running gear, is equipped with cart walking motor on the cart running gear, and the top of first landing leg and second landing leg all is fixed with the upper end roof beam parallel with the lower extreme roof beam. Be equipped with the girder that two parallels and interval set up between first landing leg and the second landing leg, the bottom surface of two girder left ends is fixed with first flange, fixed connection can be dismantled with left upper end roof beam through first flange to the left end of two girders, the bottom surface of two girder right-hand members is fixed with the second flange that is the bar, the right-hand member of two girders passes through the adjustable fixed connection of second flange and the upper end roof beam on right side, two second flanges are on a parallel with girder and symmetry set up, the girder all extends to the both sides of two second flanges, the pilot hole that a plurality of set up side by side is seted up to the symmetry on the second flange, the even interval distribution of pilot hole on the second flange, be equipped with fixing bolt in the pilot hole, fixing bolt's lower extreme extends to the below of upper end roof beam, and be equipped with fixation nut at fixing bolt's lower extreme. I-steel rails are laid on the top ends of the two main beams, a crane trolley is assembled on the I-steel rails and comprises a trolley frame, a trolley travelling mechanism is assembled on the trolley frame and comprises trolley travelling wheels assembled on the trolley frame, a trolley travelling motor is fixed on the outer side of the trolley frame, and a transmission output shaft of the trolley travelling motor is in transmission connection with the trolley travelling wheels. Be equipped with explosion-proof type electric block on the monkey, explosion-proof type electric block includes reduction gear, the reel that from left to right sets gradually and plays to rise the motor, plays to rise the power output shaft of motor and the power input shaft fixed connection of reduction gear, and the transmission output shaft and the reel of reduction gear link firmly, are equipped with wire rope on the reel, and wire rope's upper end winding is on the reel, and wire rope's lower extreme is equipped with crane hook.

Preferably, the upper end of the first landing leg is provided with a cab, and the cab is internally provided with a console.

Preferably, the both sides on girder top all are equipped with the stopper that plays limiting displacement.

Preferably, the cart walking motor, the trolley walking motor and the lifting motor are explosion-proof motors, the cart walking motor, the trolley walking motor and the lifting motor are all connected with a power supply through extension cables, and the cart walking motor, the trolley walking motor and the lifting motor are all connected with the crane control system through extension cables.

The scheme has the following advantages:

the second flange plate is arranged in a strip shape, and a plurality of assembling holes arranged side by side are formed in the second flange, so that the second support leg and the second flange can be fixed according to the requirements of a construction site, the lifting span of the double beams can be changed, and the operation and the use are convenient; the cart walking motor, the trolley walking motor and the lifting motor are all explosion-proof motors, so that the electric sparks are isolated, and the explosion-proof and explosion-proof functions are realized; the explosion-proof electric hoist speed reducer, the lifting motor and the winding drum are arranged into a whole, so that the structure is more compact, and the space is saved; the limiting block plays a limiting role, and the crane trolley is prevented from moving out of the main beam.

Drawings

Fig. 1 is a schematic view of the structure of the present invention;

fig. 2 is a left side view structure diagram of the present invention;

fig. 3 is a schematic top view of the present invention.

Reference numerals: 1. a first leg; 2. a second leg; 3. a lower end beam; 4. a cart traveling mechanism; 5. an upper end beam; 6. a main beam; 7. a first flange; 8. a second flange; 9. a crane trolley; 11. a cab; 61. an I-steel rail; 62. a limiting block; 63. c, cable laying; 81. an assembly hole; 82. fixing the bolt; 91. a trolley travelling mechanism; 92. an explosion-proof electric hoist; 93. a speed reducer; 94. a reel; 95. a hoisting motor; 96. a trolley traveling motor; 97. a crane hook.

Detailed Description

As shown in fig. 1-3, an explosion-proof electric double-beam crane comprises a first supporting leg 1 and a second supporting leg 2 which are arranged vertically and at an interval, wherein the first supporting leg 1 and the second supporting leg 2 play a role in supporting and fixing, lower end beams 3 are arranged at the lower ends of the first supporting leg 1 and the second supporting leg 2, cart traveling mechanisms 4 are arranged at the bottom ends of the first supporting leg 1 and the second supporting leg 2, cart traveling motors are arranged on the cart traveling mechanisms 4, and upper end beams 5 parallel to the lower end beams 3 are fixed at the top ends of the first supporting leg 1 and the second supporting leg 2. Be equipped with girder 6 that two parallels and interval set up between first landing leg 1 and the second landing leg 2, the bottom surface of two girder 6 left ends is fixed with first flange 7, fixed connection can be dismantled with left upper beam 5 through first flange 7 to the left end of two girder 6, the bottom surface of two girder 6 right-hand members is fixed with the second flange 8 that is the bar, the right-hand member of two girder 6 passes through the adjustable fixed connection of second flange 8 with upper beam 5 on right side, two second flange 8 are parallel to girder 6 and symmetry setting, girder 6 is all extended to the both sides of two second flange 8, the symmetrical pilot hole 81 that sets up side by side of a plurality of has been seted up to the last symmetry of second flange 8, the even interval distribution of pilot hole 81 on the second flange 8, be equipped with fixing bolt 82 in the pilot hole 81, fixing bolt 82's lower extreme extends to the below of upper beam 5, and be equipped with fixation nut at fixing bolt 82's lower extreme. I-steel rails 61 are laid on the top ends of the two main beams 6, a crane trolley 9 is assembled on the I-steel rails 61, the crane trolley 9 comprises a trolley frame, a trolley walking mechanism 91 is assembled on the trolley frame, the trolley walking mechanism 91 comprises a trolley walking wheel assembled on the trolley frame, a trolley walking motor 96 is fixed on the outer side of the trolley frame, and a transmission output shaft of the trolley walking motor 96 is in transmission connection with the trolley walking wheel. Be equipped with explosion-proof type electric block 92 on monkey 9, explosion-proof type electric block 92 includes reduction gear 93, reel 94 and the play to rise motor 95 that sets gradually from left to right, and the power output shaft of the play to rise motor 95 and the power input shaft fixed connection of reduction gear 93, and the transmission output shaft of reduction gear 93 links firmly with reel 94, is equipped with wire rope on reel 94, and wire rope's upper end winding is on the reel, and wire rope's lower extreme is equipped with crane hook 97.

Preferably, the upper end of the first support leg 1 is provided with a cab 11, and a console is arranged in the cab 11.

Preferably, both sides of the top end of the main beam 6 are provided with a limiting block 62 for limiting.

Preferably, the cart walking motor, the trolley walking motor 96 and the lifting motor 95 are all explosion-proof motors, the cart walking motor, the trolley walking motor 96 and the lifting motor 95 are all connected with a power supply through the extension cables 63, and the cart walking motor, the trolley walking motor 96 and the lifting motor 95 are all connected with a crane control system through the extension cables 63.

The use process comprises the following steps:

the utility model discloses during the use, according to the demand in construction place, lay two parallel arrangement's cart walking track on construction place's subaerial, then fix second landing leg 2 through fixing bolt 82 and fixation nut, second landing leg 2 can be followed the direction of girder 6 and removed the regulation, treat that the position adjustment of second landing leg 2 finishes the back, can dismantle second landing leg 2 and upper end roof beam 5 through second flange 8 and fix together. When the span of the crane needs to be adjusted, the fixing bolts 82 between the second flanges 8 on the second support legs 2 are disassembled, and the second support legs 2 and the second flanges 8 are fixed after the positions are adjusted.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "top", "bottom", "horizontal", "vertical", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and simplification of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

The above-mentioned embodiment is right the utility model discloses an explanation, it is not right the utility model discloses a limited, any right the scheme after the simple transform of the utility model all belongs to the protection scope of the utility model.

Claims (7)

1. The utility model provides an electronic two roof beam cranes of explosion-proof type, includes vertical and first landing leg and the second landing leg that the interval set up, the lower extreme of first landing leg and second landing leg all is equipped with the lower beam, and the bottom of first landing leg and second landing leg all is equipped with cart running gear, is equipped with cart walking motor on the cart running gear, and the top of first landing leg and second landing leg all is fixed with the upper beam parallel with the lower beam, its characterized in that: be equipped with the girder that two parallels and interval set up between first landing leg and the second landing leg, the bottom surface of two girder left ends is fixed with first flange, the bottom surface of two girder right-hand members is fixed with the second flange that is the bar, two second flanges are on a parallel with girder and symmetry setting, the girder is all extended to the both sides of two second flanges, the pilot hole that a plurality of set up side by side is seted up to the symmetry on the second flange, fixed connection can be dismantled through first flange and left upper end beam to the left end of two girders, the right-hand member of two girders passes through the adjustable fixed connection of second flange and upper end beam on right side, the I-steel track has all been laid on the top of two girders, be equipped with the monkey on the I-steel track, be equipped with explosion-proof type electric block on the monkey.

2. An explosion-proof electric double-beam crane according to claim 1, characterized in that: the assembly holes on the second flange are uniformly distributed at intervals, fixing bolts are arranged in the assembly holes, the lower ends of the fixing bolts extend to the lower portion of the upper end beam, and fixing nuts are arranged at the lower ends of the fixing bolts.

3. An explosion-proof electric double-beam crane according to claim 2, characterized in that: the crane trolley comprises a trolley frame, a trolley travelling mechanism is assembled on the trolley frame and comprises a trolley travelling wheel assembled on the trolley frame, a trolley travelling motor is fixed on the outer side of the trolley frame, and a transmission output shaft of the trolley travelling motor is in transmission connection with the trolley travelling wheel.

4. An explosion-proof electric double-beam crane according to claim 3, characterized in that: the explosion-proof electric hoist comprises a speed reducer, a winding drum and a lifting motor which are sequentially arranged from left to right, wherein a power output shaft of the lifting motor is fixedly connected with a power input shaft of the speed reducer, and a transmission output shaft of the speed reducer is fixedly connected with the winding drum; and a steel wire rope is arranged on the winding drum, the upper end of the steel wire rope is wound on the winding drum, and a crane hook is arranged at the lower end of the steel wire rope.

5. An explosion-proof electric double-beam crane according to claim 4, characterized in that: the upper end of first landing leg is equipped with the driver's cabin, is equipped with in the driver's cabin and controls the platform.

6. An explosion-proof electric double-beam crane according to claim 5, characterized in that: the both sides on girder top all are equipped with the stopper that plays limiting displacement.

7. An explosion-proof electric double-beam crane according to claim 6, characterized in that: the cart walking motor, the trolley walking motor and the lifting motor are all explosion-proof motors, the cart walking motor, the trolley walking motor and the lifting motor are all connected with a power supply through extension cables, and the cart walking motor, the trolley walking motor and the lifting motor are all connected with a crane control system through extension cables.

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