CN213037286U

CN213037286U - Variable height portal crane

Info

Publication number: CN213037286U
Application number: CN202022042423.3U
Authority: CN
Inventors: 赵学党; 于美丽; 秦国生
Original assignee: Henan Zhongyuan Aoqi Industrial Co ltd
Current assignee: Henan Zhongyuan Aoqi Industrial Co ltd
Priority date: 2020-09-17
Filing date: 2020-09-17
Publication date: 2021-04-23
Anticipated expiration: 2030-09-17

Abstract

The utility model provides a uprise gantry crane, including the door machine landing leg, the lower extreme of door machine landing leg is equipped with the lower extreme roof beam, all be equipped with cart running gear on the door machine landing leg of lower extreme roof beam below, be equipped with the girder between two door machine landing legs, the both ends of girder correspond respectively and fix the top at the door machine landing leg, the top of girder is equipped with the monkey, the door machine landing leg includes first support column and second support column, first support column and second support column all include first landing leg, second landing leg and third landing leg, the bottom and the cart running gear of third landing leg are connected, fixed connection can be dismantled through the bottom of ring flange and second landing leg in the top of third landing leg, fixed connection can be dismantled through the bottom of ring flange and first landing leg in the top of second landing leg, the top and the girder fixed connection of first landing leg. The utility model discloses simple structure can form not the landing leg of co-altitude through the combination and realize the uprising of door machine height, operation convenient to use.

Description

Variable height portal crane

Technical Field

The utility model belongs to the technical field of hoisting machinery equipment, especially, relate to a become high gantry crane.

Background

The gantry crane is a deformation of a bridge crane, and is also called a gantry crane, and is mainly used for loading and unloading operations of outdoor goods yards, stock yards and bulk goods. Structurally, the crane consists of a portal frame, a cart running mechanism, a hoisting trolley, an electric part and the like. Some gantry cranes have supporting legs only on one side, and the other side is supported to run on a factory building or a trestle, so that the gantry cranes are called as semi-portal cranes.

Along with the continuous change of the working environment of the crane, the performance requirement on the gantry crane is higher and higher, the existing gantry crane only has one lifting height, and in operation sites with different heights, several cranes with different lifting heights are required to be equipped, so that the waste of resources is caused.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve portal crane and can not adjust the technical problem of height, provide a uprise portal crane, including the door machine landing leg of two vertical settings, the lower extreme of door machine landing leg is equipped with telescopic lower extreme roof beam, and the length of lower extreme roof beam can be adjusted as required. The gantry crane supporting legs below the lower end beams are respectively provided with a cart travelling mechanism, the cart travelling mechanisms are assembled on the travelling rails, and the cart travelling mechanisms drive the gantry crane to freely move on the travelling rails. Be equipped with the girder between two door machine landing legs, the both ends of girder correspond respectively and fix the top at the door machine landing leg, and the top of girder is equipped with the monkey, and the bottom of girder is equipped with electric block, and electric block hangs less heavy object and gets, and is convenient nimble. The crane trolley comprises a trolley frame, a trolley travelling mechanism is arranged on the trolley frame and assembled on a travelling track at the top end of the main beam, the crane trolley can freely move at the top end of the main beam under the driving of the trolley travelling mechanism, a lifting mechanism is arranged on the trolley frame, and the lifting mechanism can lift heavy objects. The door machine landing leg is equipped with the bracing piece including first support column and the second support column that slope and symmetry set up between first support column and the second support column, and the one end and the first support column of bracing piece are articulated, and the other end and the second support column of bracing piece are articulated, and the bracing piece plays fixed support's effect, has strengthened the holistic intensity of door machine landing leg. And first support column and second support column enclose into the quick-witted landing leg of door of "A" font, first support column and second support column all include the first landing leg that from the top down set gradually, second landing leg and third landing leg, the bottom and the cart running gear of third landing leg are connected, fixed connection can be dismantled through the bottom of ring flange with the second landing leg in the top of third landing leg, fixed connection can be dismantled through the bottom of ring flange with first landing leg in the top of second landing leg, the top and the girder fixed connection of first landing leg, the quick-witted landing leg of door of co-altitude not is formed through the combination of difference, thereby the realization is to the regulation of quick-witted overall height of door. The inboard first landing leg flange that all is equipped with of lower extreme of first landing leg, the inboard second landing leg flange that all is equipped with of lower extreme of second landing leg, and the inboard third landing leg flange that all is equipped with of lower extreme of third landing leg, first landing leg flange, second landing leg flange and third landing leg flange all can dismantle fixed connection with the lower extreme roof beam as required. The lower extreme roof beam includes a first supporting beam and a second supporting beam, and the one end and the first support column of a first supporting beam are connected, and fixed connection can be dismantled with the one end of a second supporting beam to the other end of a first supporting beam, and fixed connection can be dismantled with the second support column to the other end of a second supporting beam, can select the whole length of lower extreme roof beam according to the needs of adjusting.

Preferably, the outside of left door machine landing leg is equipped with the enhancement landing leg that the slope set up, and the top of strengthening the landing leg passes through flange joint with the left end bottom of girder, and the bottom of strengthening the landing leg is articulated with the bottom of door machine landing leg, strengthens the landing leg and plays fixed stay's effect, has strengthened portal crane's steadiness.

Preferably, a climbing ladder and a cab are arranged between the landing leg of the gantry crane on the left side and the reinforcing landing leg, and the climbing ladder can be used for climbing of maintenance personnel and drivers of the gantry cranes.

Preferably, the first leg, the second leg and the third leg are all round steel tubes.

Preferably, the crane trolley, the cart travelling mechanism and the electric hoist are all connected with a power supply through a rubbing cable, and the cart travelling mechanism, the crane trolley and the electric hoist are all connected with a control system of the gantry crane.

Preferably, the cart travelling mechanism, the electric hoist, the crane trolley and the cab are all the prior art.

The scheme has the following advantages:

the first support leg, the second support leg and the third support leg are made of round steel pipes, the first support leg, the second support leg and the third support leg can be connected through flanges, and the support legs with different heights are formed through different combinations, so that the whole height of the gantry crane can be adjusted; the lower end beam is formed by splicing a first supporting beam and a second supporting beam, and can be spliced into lower end beams with different lengths according to requirements and matched with the adjustment of the gantry crane supporting legs; the support rods are arranged to further fix the first support column and the second support column in the gantry crane support leg, so that the gantry crane support leg is more stable; the electric hoist and the crane trolley are arranged, so that the obstructed heavy objects can be hung and taken, the electric hoist is light and convenient, the lighter objects are lifted, the movement is rapid, and the time and the resources are saved.

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.

Reference numerals: 1. a gantry crane supporting leg; 2. a lower end beam; 3. a main beam; 4. climbing a ladder; 5. a cab; 6. a reinforcing leg; 11. a first support column; 12. a second support column; 13. a first leg; 14. a second leg; 15. a first leg flange; 16. a third leg; 17. a second leg flange; 18. a third leg flange; 19. a support bar; 21. a cart traveling mechanism; 22. a first support beam; 23. a second support beam; 31. a crane trolley; 32. an electric hoist; 33. and (6) cable extension.

Detailed Description

As shown in fig. 1-2, a variable height portal crane comprises two gantry crane supporting legs 1 which are vertically arranged, the lower ends of the gantry crane supporting legs 1 are provided with telescopic lower end beams 2, and the length of the lower end beams 2 can be adjusted according to needs. The gantry crane supporting legs 1 below the lower end beam 2 are respectively provided with a cart travelling mechanism 21, the cart travelling mechanisms 21 are assembled on the travelling rails, and the cart travelling mechanisms 21 drive the gantry crane to freely move on the travelling rails. Be equipped with girder 3 between two door machine landing legs 1, the both ends of girder 3 correspond respectively and fix the top at door machine landing leg 1, and the top of girder 3 is equipped with monkey 31, and the bottom of girder 3 is equipped with electric block 32, and electric block 32 hangs to get convenient nimble less heavy object. The crane trolley 31 comprises a trolley frame, a trolley travelling mechanism is arranged on the trolley frame, the trolley travelling mechanism is assembled on a travelling track on the top end of the main beam 3, the crane trolley 31 can move freely on the top end of the main beam 3 under the driving of the trolley travelling mechanism, a lifting mechanism is arranged on the trolley frame, and the lifting mechanism can lift heavy objects. Door machine landing leg 1 is equipped with bracing piece 19 including first support column 11 and the second support column 12 that slope and symmetry set up between first support column 11 and the second support column 12, and the one end and the 11 articulations of first support column of bracing piece 19, the other end and the 12 articulations of second support column of bracing piece 19, bracing piece 19 play fixed support's effect, have strengthened the holistic intensity of door machine landing leg 1. And first support column 11 and second support column 12 enclose into the quick-witted landing leg 1 of door of "A" font, first support column 11 and second support column 12 all include from the top down first landing leg 13 that sets gradually, second landing leg 14 and third landing leg 15, the bottom and cart running gear 21 of third landing leg 15 are connected, fixed connection can be dismantled through the flange dish in the top of third landing leg 15 and the bottom of second landing leg 14, fixed connection can be dismantled through the flange dish in the top of second landing leg 14 and the bottom of first landing leg 13, the top and the girder 3 fixed connection of first landing leg 13, form not high quick-witted landing leg 1 of door through the combination of difference, thereby realize the regulation to quick-witted overall height of door. The inboard first landing leg flange 16 that all is equipped with of lower extreme of first landing leg 13, the inboard second landing leg flange 17 that all is equipped with of lower extreme of second landing leg 14, and the inboard third landing leg flange 18 that all is equipped with of lower extreme of third landing leg 15, first landing leg flange 16, second landing leg flange 17 and third landing leg flange 18 all can dismantle fixed connection with lower extreme roof beam 2 as required. The lower end beam 2 comprises a first supporting beam 22 and a second supporting beam 23, one end of the first supporting beam 22 is connected with the first supporting column 11, the other end of the first supporting beam 22 is detachably and fixedly connected with one end of the second supporting beam 23, the other end of the second supporting beam 23 is detachably and fixedly connected with the second supporting column 12, and the whole length of the lower end beam 2 can be selected according to the adjustment requirement.

Preferably, the outside of left door machine landing leg 1 is equipped with the enhancement landing leg 6 that the slope set up, and the flange joint is passed through with the left end bottom of girder 3 in the top of strengthening landing leg 6, and the bottom of strengthening landing leg 6 is articulated with the bottom of door machine landing leg 1, strengthens landing leg 6 and plays fixed support's effect, has strengthened gantry crane's steadiness.

Preferably, a climbing ladder 4 and a cab 5 are arranged between the portal crane supporting leg 1 on the left side and the reinforcing supporting leg 6, and the climbing ladder 4 can be used for climbing by maintenance personnel and a portal crane driver.

Preferably, the first leg 13, the second leg 14 and the third leg 15 are all round steel tubes.

Preferably, the crane trolley 31, the cart travelling mechanism 21 and the electric hoist 32 are all powered on through a topology cable 33, and the cart travelling mechanism 21, the crane trolley 31 and the electric hoist 32 are all connected with a control system of the gantry crane.

Preferably, the cart travelling mechanism 21, the electric hoist 32, the crane trolley 31 and the cab 5 are all prior art.

The use process comprises the following steps:

the utility model discloses when using, according to job site's demand, assemble gantry crane landing leg 1, can assemble the height of combination and be: the height of the first leg formed by the first leg 13 alone, the height of the second leg formed by the second leg 14 alone, the height of the third leg 15 formed by the third leg alone, the height of the fourth leg formed by the first leg 13 and the second leg 14, the height of the fifth leg formed by the first leg 13 and the third leg 15, the height of the sixth leg formed by the second leg 14 and the third leg 15, and the height of the seventh leg formed by the first leg 13, the second leg 14 and the third leg 15. After the gantry crane landing legs 1 with the required height are combined according to a construction site, the gantry crane is spliced and assembled on the next step, and when the site needs to be changed or the height of the gantry crane needs to be changed, the first landing legs 13, the second landing legs 14 and the third landing legs 15 are selected according to construction needs to be assembled and spliced.

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

1. The utility model provides a uprise gantry crane, includes the door machine landing leg of two vertical settings, and the lower extreme of door machine landing leg is equipped with telescopic lower extreme roof beam, all is equipped with cart running gear on the door machine landing leg of lower extreme roof beam below, is equipped with the girder between two door machine landing legs, and the both ends of girder correspond respectively to fix the top at the door machine landing leg, and the top of girder is equipped with monkey, its characterized in that: the door machine landing leg includes first support column and the second support column that slope and symmetry set up, and first support column and second support column enclose into the door machine landing leg of "A" font, first support column and second support column all include the first landing leg that sets gradually from the top down, second landing leg and third landing leg, the bottom and the cart running gear of third landing leg are connected, fixed connection can be dismantled through the bottom of ring flange and second landing leg in the top of third landing leg, fixed connection can be dismantled through the bottom of ring flange and first landing leg in the top of second landing leg, the top and the girder fixed connection of first landing leg.

2. A variable height gantry crane according to claim 1, wherein: the inboard first landing leg flange that all is equipped with of lower extreme of first landing leg, the inboard second landing leg flange that all is equipped with of lower extreme of second landing leg, and the inboard third landing leg flange that all is equipped with of lower extreme of third landing leg.

3. A variable height gantry crane according to claim 2, wherein: the lower extreme roof beam includes a first supporting beam and a second supporting beam, and the one end and the first support column of a first supporting beam are connected, and fixed connection can be dismantled with the one end of a second supporting beam to the other end of a first supporting beam, and fixed connection can be dismantled with the second support column to the other end of a second supporting beam.

4. A variable height gantry crane according to claim 3, wherein: a supporting rod is arranged between the first supporting column and the second supporting column, one end of the supporting rod is hinged with the first supporting column, and the other end of the supporting rod is hinged with the second supporting column.

5. A variable height gantry crane according to claim 4, wherein: the bottom of girder is equipped with electric block.

6. A variable height gantry crane according to claim 5, wherein: the outside of left door machine landing leg is equipped with the enhancement landing leg that the slope set up, and the top of strengthening the landing leg passes through flange joint with the left end bottom of girder, and the bottom of strengthening the landing leg is articulated with the bottom of door machine landing leg.

7. A variable height gantry crane according to claim 6, wherein: a climbing ladder and a cab are arranged between the landing leg of the gantry crane on the left side and the strengthening landing leg.

8. A variable height gantry crane according to claim 7, wherein: the crane trolley, the cart travelling mechanism and the electric hoist are all connected with a power supply through a rubbing cable.