CN212644201U

CN212644201U - Self-lubricating gantry crane

Info

Publication number: CN212644201U
Application number: CN202021479814.5U
Authority: CN
Inventors: 蒋炜
Original assignee: Jiangyin Ruien Engineering Equipment Co ltd
Current assignee: Jiangyin Ruien Engineering Equipment Co ltd
Priority date: 2020-07-23
Filing date: 2020-07-23
Publication date: 2021-03-02
Anticipated expiration: 2030-07-23

Abstract

The utility model relates to a self-lubricating formula portal crane, it includes the crossbeam and removes the hoist, it is equipped with the pulley to remove the rotating turret on the hoist, the side of pulley offsets with the top surface of crossbeam, one side rotating turret of pulley is equipped with the driving lever, the rotation axis of driving lever does not coincide with the axis of pulley, offer the liquid reserve tank that is used for holding lubricating oil on the removal hoist, the water conservancy diversion hole has been seted up on the bottom surface of liquid reserve tank, it wears to be equipped with the stagnant flow piece to slide in the water conservancy diversion hole, the seepage groove has been seted up to the side of stagnant flow piece, the side bottom of stagnant flow piece is articulated with the. This application has the effect of the stationarity when guaranteeing the portal crane handling heavy object.

Description

Self-lubricating gantry crane

Technical Field

The application relates to the field of hydraulic gantry cranes, in particular to a self-lubricating gantry crane.

Background

The gantry crane is mainly used for loading and unloading of goods and equipment, has the characteristics of high site utilization rate, large operation range, wide application range, strong universality and the like, and is widely used in port goods yards or factories. In actual production life, the rail type gantry crane can drive the gantry crane to move integrally, so that heavy objects can be lifted conveniently.

The structure of the conventional rail type hydraulic gantry crane is shown in fig. 1, and the conventional rail type hydraulic gantry crane comprises two guide rails 1 which are parallel to each other, wherein each of the two guide rails 1 is provided with a jacking unit 11 in a sliding manner, the top end of each jacking unit 11 is lapped with a cross beam 12, the sliding frame on each cross beam 12 is provided with two movable lifting appliances 15, and each cross beam 12 is also provided with an oil cylinder 14 for driving each movable lifting appliance 15 to move along the length direction of each cross beam 12.

With respect to the related art in the above, the inventors consider that: after the rail type hydraulic gantry crane is installed, workers are inconvenient to frequently lubricate the contact position of the movable lifting appliance and the cross beam, and the movable lifting appliance is not favorable for stably sliding on the cross beam, so that the stability of the gantry crane in lifting heavy objects is reduced.

SUMMERY OF THE UTILITY MODEL

In order to guarantee the stationarity when portal crane handling heavy object, this application provides a self-lubricating formula portal crane.

The application provides a self-lubricating formula portal crane adopts following technical scheme:

the utility model provides a self-lubricating formula portal crane, includes the crossbeam and removes the hoist, it is equipped with the pulley to remove the last rotating turret of hoist, the side of pulley offsets with the top surface of crossbeam, and one side rotating turret of pulley is equipped with the driving lever, the rotation axis of driving lever does not coincide with the axis of pulley, offer the liquid reserve tank that is used for holding lubricating oil on the removal hoist, the water conservancy diversion hole has been seted up on the bottom surface of liquid reserve tank, slide in the water conservancy diversion hole and wear to be equipped with the stagnant flow piece, the seepage groove has been seted up to the side of stagnant flow piece, and the side bottom of stagnant flow piece is articulated with the one end that the.

By adopting the technical scheme, when the movable lifting appliance slides, the pulley rotates and drives the flow stopping block to slide along the axis direction of the flow guide hole through the deflector rod, and when the top end of the seepage groove is higher than the bottom surface of the inner wall of the liquid storage tank, lubricating oil flows into the seepage groove; when the flow stopping block slides downwards until the bottom end of the seepage groove is lower than the bottom end of the flow guiding hole, lubricating oil in the seepage groove falls to the top end of the cross beam from the bottom end of the seepage groove, namely when the gantry crane operates, the contact position between the movable lifting appliance and the cross beam can be lubricated regularly, the movable lifting appliance is guaranteed to slide stably on the cross beam, and the stability of the gantry crane in lifting heavy objects is guaranteed.

Preferably, the bottom end of the flow stopping block is provided with a guide plate for guiding the lubricating oil to flow toward the pulley.

Through adopting above-mentioned technical scheme, utilize guide board guide lubricating oil flow direction pulley, when removing the hoist removal, the pulley can be with lubricating oil coating on the top surface of crossbeam uniformly, improves the utilization ratio to lubricating oil.

Preferably, the side surface of the pulley is provided with a plurality of annular liquid-equalizing grains.

Through adopting above-mentioned technical scheme, set up annular liquid line of equaling in the side of pulley, when the pulley slided on the crossbeam, can keep in partly lubricating oil in the liquid line of equaling, reduced because pulley and crossbeam support tightly, and crowd the possibility to the pulley both ends with lubricating oil.

Preferably, the mobile lifting appliance is provided with two pairs of scraping plates, the two pairs of scraping plates are respectively located at two ends of the pulley, the two scraping plates which are in the same pair are respectively located at two sides of the axis of the pulley, each scraping plate is obliquely arranged, the surface of each scraping plate faces the pulley, and the bottom surfaces of the scraping plates are abutted to the top surface of the cross beam.

Through adopting above-mentioned technical scheme, the scraper blade can be pushed the pulley to the lubricating oil of being crowded to the pulley both sides, reduces the possibility that lubricating oil from crossbeam both sides drippage, and then improves the utilization ratio to lubricating oil.

Preferably, the lifting device further comprises pulleys with different diameters and a rotating seat bolted to the movable lifting appliance, a rotating shaft used for erecting the pulleys is arranged on the rotating seat, a plurality of groups of locking holes are formed in the movable lifting appliance in the vertical direction, the number of the locking holes in each group is at least two, at least two locking bolts penetrate through the rotating seat, and the locking bolts are in threaded fit with a group of locking holes.

Through adopting above-mentioned technical scheme, through the position of adjustment rotating seat, can adjust the distance between pivot and the crossbeam top surface, change different pulleys afterwards. When the pulleys with different diameters are erected on the rotating shaft, the required path of one circle of rotation of the pulleys is changed, namely when the movable lifting appliance moves, the time of one circle of rotation of the pulleys is changed, the time required by one-time rising and falling of the flow stopping block is changed, namely the period of spraying lubricating oil is changed.

Preferably, it is different all be connected with the dwang on the terminal surface of pulley, every the distance between dwang axis and the corresponding pulley axis is the same, shaft hole one has been seted up to the bottom of driving lever, the driving lever passes through a rotating sleeve in shaft hole and establishes on the dwang.

Through adopting above-mentioned technical scheme, set up each dwang axis and the distance between the axis that corresponds the pulley to the same, after changing different pulleys, can also connect pulley and stagnant flow piece with same driving lever, reduced the cost that changes lubricating oil spill cycle.

Preferably, the bottom surface of seepage groove sets up in the slope, the notch length in seepage groove is greater than the length of tank bottom.

Through adopting above-mentioned technical scheme, set up the bottom surface slope of seepage groove, can accelerate the lubricating oil in the seepage groove and flow out along the bottom surface of seepage groove.

Preferably, a cover plate is arranged at the opening of the liquid storage tank.

Through adopting above-mentioned technical scheme, set up the apron, can reduce the contaminated possibility of the lubricating oil of depositing.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the effect of ensuring the stability of the gantry crane in hoisting heavy objects can be achieved by arranging the pulleys, the shifting rod, the liquid storage tank, the flow guide holes and the flow stop block with the seepage grooves;

2. the guide plate is arranged, so that the effect of improving the utilization rate of the lubricating oil can be achieved;

3. through setting up rotation seat, the different pulley of diameter and a plurality of group locking hole, can play the effect that changes the cycle that lubricating oil spills.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a rail-mounted hydraulic gantry crane in the background art;

FIG. 2 is a schematic diagram of the overall structure of an embodiment of the present application;

fig. 3 is a left side view of the mobile spreader in an embodiment of the present application;

FIG. 4 is a schematic structural view of a liquid storage tank in the embodiment of the present application;

FIG. 5 is a schematic view of a connection structure of a flow stopping block and a guide plate in the embodiment of the application;

fig. 6 is a schematic view of a connection structure of the rotating seat and the side plate in the embodiment of the present application.

Description of reference numerals: 1. a guide rail; 11. a jacking unit; 12. a cross beam; 13. a mounting seat; 14. an oil cylinder; 15. moving the lifting appliance; 2. a side plate; 21. a support bar; 211. a support wheel; 22. a liquid storage tank; 221. a cover plate; 222. a flow guide hole; 23. a flow stopping block; 231. a seepage groove; 232. a support; 233. a guide plate; 234. a driven lever; 24. a locking hole; 25. a squeegee; 3. a rotating seat; 31. a rotating shaft; 32. a pulley; 321. rotating the rod; 322. liquid homogenizing; 33. a deflector rod.

Detailed Description

The present application is described in further detail below with reference to figures 2-6.

The embodiment of the application discloses self-lubricating formula portal crane. Referring to fig. 2, the self-lubricating gantry crane includes two parallel guide rails 1, and the two guide rails 1 are simultaneously provided with a jacking unit 11 in a sliding manner. A cross beam 12 is lapped on the top ends of the two jacking units 11, two movable lifting appliances 15 are arranged on the cross beam 12 in a sliding frame mode, mounting seats 13 are bolted to two ends of the top face of the cross beam 12, an oil cylinder 14 is connected between each mounting seat 13 and the adjacent movable lifting appliance 15, and the oil cylinders 14 can drive the movable lifting appliances 15 to slide along the length direction of the cross beam 12.

Referring to fig. 2, the movable lifting device 15 includes two parallel side plates 2, a connecting seat is welded on the side of the side plate 2 facing the adjacent mounting seat 13, the connecting seat is located on one side of the movable lifting device 15 facing the adjacent mounting seat 13, and two ends of the oil cylinder 14 are respectively connected with the connecting seat and the mounting seat 13.

Referring to fig. 3, two support rods 21 are welded to the side of each of the two side plates 2 facing each other, and the axes of the support rods 21 are perpendicular to the plate surfaces of the side plates 2. A support wheel 211 is arranged on each support rod 21 in a rotating manner, and each mobile lifting appliance 15 is arranged on the cross beam 12 in a sliding manner through four support wheels 211.

Referring to fig. 3 and 4, a liquid storage tank 22 is arranged at the top end of each mobile lifting appliance 15, the bottom surface of the liquid storage tank 22 is welded and fixed with the top surfaces of the two side plates 2, and a cover plate 221 for covering the liquid storage tank 22 is hinged to the top end of the liquid storage tank 22. Lubricating oil used for lubricating the position where the cross beam 12 abuts against the supporting wheel 211 is stored in the liquid storage box 22, a flow guide hole 222 with a square cross section is formed in the bottom surface of the liquid storage box 22 along the vertical direction, and the flow guide hole 222 is communicated with the inner wall and the outer wall of the liquid storage box 22.

Referring to fig. 2 and 5, a flow stopping block 23 is slidably disposed through the guiding hole 222, and the height of the flow stopping block 23 is greater than the thickness of the bottom wall of the liquid storage tank 22. The seepage groove 231 is arranged on one side surface of the flow stopping block 23 along the vertical direction, and the top surface and the bottom surface of the seepage groove 231 are sealed. The bottom surface slope of seepage groove 231, and the notch length of seepage groove 231 is greater than the tank bottom length of seepage groove 231, and the notch length of seepage groove 231 is less than the thickness of liquid reserve tank 22 diapire.

When the flow stopping block 23 slides upwards and the top surface of the seepage groove 231 is higher than the bottom surface of the inner wall of the liquid storage tank 22, the lubricating oil can flow into the seepage groove 231 from the top end of the seepage groove 231; when the flow stopping block 23 slides downwards until the bottom surface of the seepage groove 231 is lower than the bottom surface of the reservoir 22, the lubricating oil stored in the seepage groove 231 can flow out from the bottom end of the seepage groove 231 and fall on the top surface of the cross beam 12, so that the abutting part of the cross beam 12 and the supporting wheel 211 can be lubricated. After the supporting wheel 211 adheres to the lubricating oil, the lubricating oil can be gradually thrown between the supporting wheel 211 and the supporting rod 21, and the rotation of the supporting wheel 211 and the supporting rod 21 is lubricated.

Referring to fig. 5, a bracket 232 is welded to the bottom surface of the flow stopping block 23, an inclined guide plate 233 is welded to the bottom end of the bracket 232, the section of the guide plate 233 is arc-shaped, and the surface of the guide plate 233 facing the cross beam 12 is an outer convex arc surface. When the lubricant oil flows down from the bottom end of the flow stop block 23, it will slide down along the top surface of the guide plate 233, reducing the possibility of the lubricant oil being scattered at will.

Referring to fig. 6, two scrapers 25 are welded to the sides of the two side plates 2 facing each other, and the two scrapers 25 are located between the two support wheels 211. Every scraper blade 25 all inclines to set up, and the face of every scraper blade 25 all faces adjacent supporting wheel 211. When the movable lifting appliance 15 moves, the scraper 25 can pull the lubricating oil on the edge of the top surface of the cross beam 12 to the center of the top surface of the cross beam 12, so that the possibility of scattering the lubricating oil is reduced, and the utilization rate of the lubricating oil is further improved.

Referring to fig. 6, three pairs of locking holes 24 are formed in a side surface of one side plate 2 facing the supporting wheel 211, the three pairs of locking holes 24 are uniformly arranged in the vertical direction, and two locking holes 24 of the same pair are arranged in the length direction of the cross beam 12. The side plate 2 is bolted with a rotating seat 3 through a pair of locking holes 24, the rotating seat 3 is positioned on one side of the two side plates 2 facing each other, two locking bolts penetrate through the rotating seat 3, and the two locking bolts are in threaded fit with the pair of locking holes 24.

Referring to fig. 6, a rotating shaft 31 is welded on one side of the rotating base 3 opposite to the side plate 2, and the axis of the rotating shaft 31 is perpendicular to the plate surface of the side plate 2. The rotating shaft 31 is rotatably sleeved with a pulley 32, and the bottom end of the side surface of the pulley 32 is abutted against the top surface of the beam 12. Three annular liquid-equalizing veins 322 are arranged on the side surface of the pulley 32, the liquid-equalizing veins 322 are uniformly arranged along the axial direction of the pulley 32, and the axial line of each liquid-equalizing vein 322 coincides with the axial line of the pulley 32.

Referring to fig. 3 and 6, a rotating rod 321 is welded to an end of the pulley 32 facing away from the rotating base 3, and an axis of the rotating rod 321 is not coincident with an axis of the pulley 32. The rotating rod 321 is provided with a shifting lever 33 in a rotating frame, the bottom end of the side surface of the shifting lever 33 is provided with a first shaft hole, and the shifting lever 33 is sleeved on the rotating rod 321 through a rotating sleeve in the shaft hole. The top end of the side surface of the driving lever 33 is provided with a second shaft hole, the bottom end of the side surface of the flow stopping block 23 is welded with a driven rod 234, and the top end of the driving lever 33 is sleeved on the driven rod 234 through the shaft hole. When the movable hanger 15 slides on the cross beam 12, the pulley 32 rotates continuously, and the two shift levers 33 drive the stop block 23 to slide along the axial direction of the diversion hole 222.

Referring to fig. 2 and 6, the pulley 32 includes a plurality of pulleys 32 with different diameters, and when the rotary seat 3 is matched with other pairs of threaded holes, the pulley 32 can be replaced, so that the bottom ends of the side surfaces of the pulley 32 are kept against the top surface of the cross beam 12.

Referring to fig. 3 and 6, the distance between the axis of the rotating rod 321 welded to different pulleys 32 and the axis of the pulley 32 is the same. When the pulleys 32 with different diameters are replaced, the same shift lever 33 can be used for connecting the pulleys 32 with the stop block 23, so that the cost for replacing the pulleys 32 is reduced.

The implementation principle of the self-lubricating gantry crane in the embodiment of the application is as follows: when the movable hanger 15 slides, the pulley 32 rotates along with the movement of the movable hanger 15, and drives the flow stop block 23 to slide back and forth along the axial direction of the flow guide hole 222 through the shift lever 33, and when the top end of the seepage groove 231 is higher than the bottom surface of the inner wall of the liquid storage tank 22, the lubricating oil flows into the seepage groove 231; when the bottom end of the seepage groove 231 is lower than the bottom end of the diversion hole 222, the lubricating oil in the seepage groove 231 falls from the bottom end of the seepage groove 231 to the top surface of the cross beam 12. By the structure, the contact position between the movable lifting appliance 15 and the cross beam 12 can be lubricated regularly, the movable lifting appliance 15 is guaranteed to slide stably on the cross beam 12, and the stability of the gantry crane in lifting heavy objects is guaranteed.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a self-lubricating formula portal crane, includes crossbeam (12) and removes hoist (15), its characterized in that: remove and put up pulley (32) on hoist (15), the side of pulley (32) offsets with the top surface of crossbeam (12), and one side rotating turret of pulley (32) is equipped with driving lever (33), the axis of rotation of driving lever (33) does not coincide with the axis of pulley (32), offer liquid reserve tank (22) that are used for holding lubricating oil on hoist (15) of removal, water conservancy diversion hole (222) have been seted up on the bottom surface of liquid reserve tank (22), it wears to be equipped with in water conservancy diversion hole (222) and ends stream block (23), seepage groove (231) have been seted up to the side of ending stream block (23), and the side bottom of ending stream block (23) is articulated with the one end that pulley (32) were kept away from in driving lever (33).

2. The self-lubricating gantry crane of claim 1, wherein: the bottom end of the flow stopping block (23) is provided with a guide plate (233) for guiding the lubricating oil to flow towards the pulley (32).

3. The self-lubricating gantry crane of claim 1, wherein: the side surface of the pulley (32) is provided with a plurality of annular liquid-equalizing grains (322).

4. The self-lubricating gantry crane of claim 1, wherein: the movable lifting appliance is characterized in that two pairs of scraping plates (25) are arranged on the movable lifting appliance (15), the scraping plates (25) are located at two ends of the pulley (32) respectively, the two scraping plates (25) which are the same pair are located on two sides of the axis of the pulley (32) respectively, each scraping plate (25) is obliquely arranged, the surface of each scraping plate (25) faces the pulley (32), and the bottom surfaces of the scraping plates (25) are abutted to the top surface of the beam (12).

5. The self-lubricating gantry crane of claim 1, wherein: still include pulley (32) and the rotation seat (3) of bolt on removing hoist (15) that the diameter is different, be equipped with pivot (31) that are used for erectting pulley (32) on rotation seat (3), a plurality of groups locking hole (24) have been seted up along vertical direction on removing hoist (15), every group the quantity of locking hole (24) is two at least, wear to be equipped with two at least locking bolts on rotating seat (3), locking bolt and a set of locking hole (24) screw-thread fit.

6. The self-lubricating gantry crane of claim 5, wherein: different all be connected with dwang (321), every on the terminal surface of pulley (32) dwang (321) axis is the same with the distance that corresponds between pulley (32) axis, shaft hole one has been seted up to the bottom of driving lever (33), driving lever (33) are established on dwang (321) through a rotation of shaft hole cover.

7. The self-lubricating gantry crane of claim 1, wherein: the bottom surface slope setting of seepage flow groove (231), the notch length of seepage flow groove (231) is greater than the length of tank bottom.

8. The self-lubricating gantry crane of claim 1, wherein: and a cover plate (221) is arranged at the opening of the liquid storage tank (22).