CN216403625U

CN216403625U - Heavy gantry crane

Info

Publication number: CN216403625U
Application number: CN202122148405.8U
Authority: CN
Inventors: 徐鹏飞; 韩民胜; 侯永祥
Original assignee: Henan Province Fada Crane Co ltd
Current assignee: Henan Province Fada Crane Co ltd
Priority date: 2021-09-07
Filing date: 2021-09-07
Publication date: 2022-04-29
Anticipated expiration: 2031-09-07

Abstract

The utility model discloses a heavy gantry crane, which comprises a travelling wheel, a mounting bottom beam, supporting beams, a top beam and a travelling trolley, wherein the mounting bottom beam is arranged at the top of the travelling wheel, the supporting beams are fixedly connected to two sides of the upper surface of the mounting bottom beam, the top beam is fixedly connected to the top of the supporting beams, the guide beam is fixedly connected to the lower surface of the top beam, the travelling trolley is slidably connected to the bottom of the guide beam, a traction motor is arranged at the bottom of the travelling trolley, a winch is fixedly connected to the output end of the traction motor, and a traction cable is arranged on the surface of the winch. According to the utility model, through the arrangement of the driving mechanism and the positioning mechanism, when the device is not used, personnel can adjust the positioning mechanism through the driving mechanism, so that the supporting bottom plate and the movable rod respectively support the ground and the travelling wheels, and thus, under the condition of heavy wind, the friction force with the ground can be effectively increased, the travelling wheels are limited to rotate, and the condition that the portal crane is displaced under the condition of heavy wind can be effectively avoided.

Description

Heavy gantry crane

Technical Field

The utility model relates to the technical field of cranes, in particular to a heavy gantry crane.

Background

The gantry crane is a variant of a bridge crane and is also called a gantry crane. The device is mainly used for loading and unloading outdoor goods yards, stockyards and bulk goods. The portal crane 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.

At present, gantry crane receives the windward area great, in the area that some wind damages are multiple, probably can be under the thrust effect of strong wind in the non-operating condition, unmanned operation and remove along the slide rail, there is the potential safety hazard that causes personal safety and economic loss, and when strong wind weather appears in the use, the condition of swaing appears easily in the goods of hoist and mount, easily cause the collision with personnel or other article on every side when the goods sways, thereby bring the unnecessary loss, therefore, we have provided a heavy type gantry crane.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a heavy gantry crane to solve the above problems.

In order to achieve the purpose, the utility model provides the following technical scheme: a heavy gantry crane comprises travelling wheels, a mounting bottom beam, a supporting beam, a top beam and a travelling trolley, the top of the travelling wheel is provided with a mounting bottom beam, both sides of the upper surface of the mounting bottom beam are fixedly connected with supporting beams, the top of the supporting beam is fixedly connected with a top beam, the lower surface of the top beam is fixedly connected with a guide beam, the bottom of the guide beam is connected with a walking trolley in a sliding way, the bottom of the walking trolley is provided with a traction motor, the output end of the traction motor is fixedly connected with a winch, the surface of the winch is provided with a traction cable, the bottom of the traction cable is provided with a fixing mechanism, the two sides of the lower surface of the top beam are both provided with sliding chutes, the inner wall and the fixed establishment sliding connection of spout, the lower fixed surface of installation floorbar installs actuating mechanism, actuating mechanism's both sides all are equipped with positioning mechanism.

Preferably, fixed establishment includes locating plate, connecting piece and multi-stage telescopic link, the four corners department of locating plate upper surface all is equipped with the connecting piece, the top of connecting piece is rotated and is connected with multi-stage telescopic link, multi-stage telescopic link's top and spout sliding connection.

Preferably, the driving mechanism comprises a driving motor, a worm wheel, a linkage rod, a first bevel gear, a second bevel gear and a screw rod, the output end of the driving motor is fixedly connected with the worm, the center of the worm is fixedly connected with the linkage rod, the two sides of the linkage rod are fixedly connected with the first bevel gear, the top of the first bevel gear is meshed with the second bevel gear, and the center of the second bevel gear is provided with the screw rod.

Preferably, positioning mechanism includes the screw thread lantern ring, bracing piece, supporting baseplate, clamp plate, movable rod, locating lever and traction spring, the equal fixedly connected with bracing piece all around of the screw thread lantern ring, the bottom fixedly connected with supporting baseplate of bracing piece, the one end fixedly connected with clamp plate of the screw thread lantern ring, the bottom butt of clamp plate has the movable rod, the middle part of movable rod is rotated and is connected with the locating lever, one side that the movable rod is close to the clamp plate is equipped with traction spring, traction spring's top and the bottom fixed connection of installation floorbar.

Preferably, one side of the threaded sleeve ring is fixedly connected with a connecting plate, and one end, far away from the threaded sleeve ring, of the connecting plate is inserted with a limiting rod.

Preferably, the bottom of supporting baseplate is equipped with the skid resistant course, the material on skid resistant course is the rubber material, the bottom on skid resistant course is equipped with anti-skidding bulb.

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

1. according to the utility model, through the arrangement of the driving mechanism and the positioning mechanism, when the device is not used, personnel can adjust the positioning mechanism through the driving mechanism, so that the supporting bottom plate and the movable rod respectively support the ground and the travelling wheels, and thus, under the condition of heavy wind, the friction force with the ground can be effectively increased, the travelling wheels are limited to rotate, and the condition that the portal crane is displaced under the condition of heavy wind can be effectively avoided.

2. According to the utility model, through the arrangement of the fixing mechanism, in the hoisting process, if a wind condition occurs, the fixing mechanism can play a role in stabilizing the bottom of the traction cable and the hoisted goods, so that the damage to surrounding articles or personnel caused by the swinging of the goods in the hoisting process can be effectively prevented.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic structural view of the top beam, the traveling trolley and the fixing mechanism of the present invention;

FIG. 3 is a schematic front view of the present invention illustrating the construction of the bottom beam;

FIG. 4 is a partial schematic view of the positioning mechanism of the present invention;

fig. 5 is a partial structural schematic view of the driving mechanism of the present invention.

In the figure: 1. a traveling wheel; 2. mounting a bottom beam; 3. a support beam; 4. a top beam; 5. a walking trolley; 6. a guide beam; 7. a traction motor; 8. a winch; 9. pulling the cable; 10. a fixing mechanism; 1001. positioning a plate; 1002. a connecting member; 1003. a multi-stage telescopic rod; 11. a drive mechanism; 1101. a drive motor; 1102. a worm; 1103. a turbine; 1104. a linkage rod; 1105. a first bevel gear; 1106. a second bevel gear; 1107. a screw rod; 12. a positioning mechanism; 1201. a threaded collar; 1202. a support bar; 1203. a support base plate; 1204. pressing a plate; 1205. a movable rod; 1206. positioning a rod; 1207. a traction spring; 13. a connecting plate; 14. a limiting rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, an embodiment of the present invention is shown: a heavy gantry crane comprises a travelling wheel 1, an installation bottom beam 2, a supporting beam 3, a top beam 4 and a travelling trolley 5, wherein the installation bottom beam 2 is arranged at the top of the travelling wheel 1, the supporting beam 3 is fixedly connected to both sides of the upper surface of the installation bottom beam 2, the top beam 4 is fixedly connected to the top of the supporting beam 3, the guide beam 6 is fixedly connected to the lower surface of the top beam 4, the travelling trolley 5 is slidably connected to the bottom of the guide beam 6, a traction motor 7 is arranged at the bottom of the travelling trolley 5, a winch 8 is fixedly connected to the output end of the traction motor 7, a traction cable 9 is arranged on the surface of the winch 8, a fixing mechanism 10 is arranged at the bottom of the traction cable 9, the fixing mechanism 10 comprises a positioning plate 1001, a connecting piece 1002 and a multi-stage telescopic rod 1003, connecting pieces 1002 are arranged at four corners of the upper surface of the positioning plate 1001, the top of the connecting piece 1002 is rotatably connected with the multi-stage telescopic rod 1003, and the top of the multi-stage telescopic rod 1003 is slidably connected with a sliding chute, through the arrangement of the fixing mechanism 10, in the hoisting process, if a wind blows, the fixing mechanism 10 can play a role in stabilizing the bottom of the traction cable 9 and hoisted goods, so that the damage to surrounding articles or people caused by the swinging of the goods can be effectively prevented, in the hoisting process, sliding grooves are formed in two sides of the lower surface of the top beam 4, the inner walls of the sliding grooves are in sliding connection with the fixing mechanism 10, a driving mechanism 11 is fixedly installed on the lower surface of the installation bottom beam 2, the driving mechanism 11 comprises a driving motor 1101, a worm 1102, a turbine 1103, a linkage 1104, a first bevel gear 1105, a second bevel gear 1106 and a screw 1107 are fixedly installed on the lower surface of the installation bottom beam 2, the output end of the driving motor 1101 is fixedly connected with the worm 1102, the linkage 1104 is fixedly connected with the center of the worm 1102, two sides of the linkage 1104 are fixedly connected with the first bevel gear 1105, and the top of the first bevel gear 1105 is engaged with the second bevel gear 1106, the center of the second bevel gear 1106 is provided with a screw rod 1107, two sides of the driving mechanism 11 are provided with positioning mechanisms 12, each positioning mechanism 12 comprises a threaded collar 1201, a support rod 1202, a support base plate 1203, a pressure plate 1204, a movable rod 1205, a positioning rod 1206 and a traction spring 1207, the periphery of the threaded collar 1201 is fixedly connected with the support rod 1202, one side of the threaded collar 1201 is fixedly connected with a connecting plate 13, one end of the connecting plate 13, far away from the threaded collar 1201, is inserted with a limit rod 14, the bottom of the support rod 1202 is fixedly connected with a support base plate 1203, the bottom of the support base plate 1203 is provided with an anti-slip layer, the anti-slip layer is made of rubber material, the bottom of the anti-slip layer is provided with an anti-slip ball head, one end of the threaded collar 1201 is fixedly connected with the pressure plate 1204, the bottom of the pressure plate 1204 is abutted with the movable rod 1205, the middle of the movable rod 1205 is rotatably connected with the positioning rod 1206, one side of the movable rod 1205, close to the pressure plate 1204 is provided with the traction spring 1207, the top of traction spring 1207 and the bottom fixed connection of installation floorbar 2, through the setting of actuating mechanism 11 and positioning mechanism 12, when not using the device, 11 adjustment positioning mechanism 12 of personnel's accessible actuating mechanism, make supporting baseplate 1203 and movable rod 1205 support ground and walking wheel 1 respectively, under the condition of strong wind weather like this, can effectual increase and the frictional force on ground, thereby the restriction walking wheel 1 rotates, thereby can effectually avoid the condition that portal crane takes place the displacement when strong wind weather.

The working principle is as follows: when hoisting goods, the four multi-stage telescopic rods 1003 can play a role in stabilizing the positioning plate 1001 and the goods at the bottom of the positioning plate, when the travelling trolley 5 displaces, the four multi-stage telescopic rods 1003 can slide in the sliding grooves, when the traction cable 9 contracts or is placed downwards, the multi-stage telescopic rods 1003 can also contract or expand, when the crane cannot be normally used in windy weather, a person can open the driving mechanism 11, the driving motor 1101 drives the turbine 1103 to rotate through the worm 1102 after opening, when the turbine 1103 rotates, the linkage rod 1104 and the first bevel gear 1105 can rotate along with the traction cable, meanwhile, the first bevel gear 1105 is meshed with the second bevel gear 1106 to rotate, when the second bevel gear 1106 rotates, the lead screw 1107 connected with the second bevel gear rotates synchronously, the lead screw 1107 rotates to enable the threaded lantern ring 1201 to displace downwards, when the threaded lantern ring 1201 displaces downwards, the connecting plate 13 and the limiting rod 14 can play a role in limiting for the threaded lantern ring 1201, meanwhile, the supporting bottom plate 1203 can support the ground to increase the friction force with the ground, and the pressing plate 1204 can press the movable rod 1205 downwards to make it rotate around the positioning rod 1206 and make the other end of the movable rod prop against the traveling wheel 1 to limit the rotation of the movable rod.

In summary, according to the present invention, by the arrangement of the driving mechanism 11 and the positioning mechanism 12, when the device is not used, a person can adjust the positioning mechanism 12 through the driving mechanism 11, so that the supporting base plate 1203 and the movable rod 1205 respectively support the ground and the traveling wheel 1, and thus, under the condition of strong wind weather, the friction force with the ground can be effectively increased, so as to limit the rotation of the traveling wheel 1, and thus, the situation that the portal crane is displaced under the strong wind weather can be effectively avoided.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a heavy bridge portal crane, includes walking wheel (1), installation floorbar (2), a supporting beam (3), back timber (4) and walking dolly (5), its characterized in that: the top of the travelling wheel (1) is provided with an installation bottom beam (2), two sides of the upper surface of the installation bottom beam (2) are fixedly connected with a supporting beam (3), the top of the supporting beam (3) is fixedly connected with a top beam (4), the lower surface of the top beam (4) is fixedly connected with a guide beam (6), the bottom of the guide beam (6) is slidably connected with a travelling trolley (5), the bottom of the travelling trolley (5) is provided with a traction motor (7), the output end of the traction motor (7) is fixedly connected with a winch (8), the surface of the winch (8) is provided with a traction cable (9), the bottom of the traction cable (9) is provided with a fixing mechanism (10), two sides of the lower surface of the top beam (4) are respectively provided with a sliding groove, the inner wall of the sliding groove is slidably connected with the fixing mechanism (10), and the lower surface of the installation bottom beam (2) is fixedly provided with a driving mechanism (11), and positioning mechanisms (12) are arranged on two sides of the driving mechanism (11).

2. A heavy gantry crane according to claim 1, wherein: the fixing mechanism (10) comprises a positioning plate (1001), connecting pieces (1002) and multi-stage telescopic rods (1003), the connecting pieces (1002) are arranged at four corners of the upper surface of the positioning plate (1001), the multi-stage telescopic rods (1003) are rotatably connected to the top of the connecting pieces (1002), and the top of each multi-stage telescopic rod (1003) is in sliding connection with a sliding groove.

3. A heavy gantry crane according to claim 1, wherein: the driving mechanism (11) comprises a driving motor (1101), a worm (1102), a worm wheel (1103), a linkage rod (1104), a first bevel gear (1105), a second bevel gear (1106) and a screw rod (1107), wherein the worm (1102) is fixedly connected with the output end of the driving motor (1101), the linkage rod (1104) is fixedly connected with the center of the worm (1102), the first bevel gear (1105) is fixedly connected with the two sides of the linkage rod (1104), the second bevel gear (1106) is meshed with the top of the first bevel gear (1105), and the screw rod (1107) is arranged at the center of the second bevel gear (1106).

4. A heavy gantry crane according to claim 1, wherein: positioning mechanism (12) are including the screw thread lantern ring (1201), bracing piece (1202), supporting baseplate (1203), clamp plate (1204), movable rod (1205), locating lever (1206) and traction spring (1207), equal fixedly connected with bracing piece (1202) all around of screw thread lantern ring (1201), the bottom fixedly connected with supporting baseplate (1203) of bracing piece (1202), the one end fixedly connected with clamp plate (1204) of screw thread lantern ring (1201), the bottom butt joint of clamp plate (1204) has movable rod (1205), the middle part of movable rod (1205) is rotated and is connected with locating lever (1206), one side that movable rod (1205) is close to clamp plate (1204) is equipped with traction spring (1207), the bottom fixed connection of the top of traction spring (1207) and installation floorbar (2).

5. A heavy gantry crane according to claim 4, wherein: one side fixedly connected with connecting plate (13) of screw thread lantern ring (1201), the one end that screw thread lantern ring (1201) was kept away from in connecting plate (13) is pegged graft and is had gag lever post (14).

6. A heavy gantry crane according to claim 4, wherein: the bottom of supporting baseplate (1203) is equipped with the skid resistant course, the material of skid resistant course is the rubber material, the bottom on skid resistant course is equipped with anti-skidding bulb.