CN218879247U

CN218879247U - Box-shaped double-beam gantry crane

Info

Publication number: CN218879247U
Application number: CN202222845594.9U
Authority: CN
Inventors: 赵铭
Original assignee: Henan Yuansheng Crane Co ltd
Current assignee: Henan Yuansheng Crane Co ltd
Priority date: 2022-10-26
Filing date: 2022-10-26
Publication date: 2023-04-18
Anticipated expiration: 2032-10-26

Abstract

The utility model relates to the technical field of gantry cranes, and discloses a box type double-beam gantry crane, which comprises a beam frame structure, wherein the beam frame structure comprises a beam frame main body, a running cavity is formed in the top of the beam frame main body, a guide rail track is fixedly connected to the front side and the back side of the running cavity at the top of the beam frame main body, two sides of the guide rail track are fixedly connected with a track stop dog, a beam frame supporting frame is fixedly connected to the two sides of the bottom of the beam frame main body, a walking wheel supporting frame is fixedly connected to the front side and the back side of the bottom of the beam frame supporting frame, the front side and the back side of the walking wheel supporting frame are fixedly connected with walking rollers, and barrier bars are fixedly connected to the periphery of the top of the beam frame main body; the utility model discloses a be equipped with motor gear and motor gear, be favorable to the angle modulation motor to transmit the moment of torsion to the angle modulation transmission shaft on, drive the angle modulation gear and rotate, because the meshing of angle modulation gear and rolling gear drives the rope dead lever and rotates with the rope bracing piece.

Description

Box-shaped double-beam gantry crane

Technical Field

The utility model relates to a portal crane technical field, more specifically relate to a box two roof beam portal cranes.

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 metal structure of the device is like a door-shaped frame, two support legs are arranged below a bearing main beam and can directly walk on a track on the ground, and overhanging cantilever beams can be arranged at two ends of the main beam. 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.

The common gantry crane mostly adopts a box form and a truss structure, and has the most extensive application. Can carry various finished articles and bulk materials, the lifting capacity is below 100 tons, and the span is 4-39 meters. The common gantry crane using the grab bucket has higher working level. The common gantry crane mainly comprises a lifting hook, a grab bucket, an electromagnetic gantry crane, a hoist gantry crane and a semi-gantry crane.

The double-beam gantry crane has the advantages of strong bearing capacity, large span, good overall stability and large overall rigidity, but has larger self weight and high manufacturing cost. The double-beam portal crane is divided into two types, namely a portal crane with a box-shaped main beam and a double-beam portal crane with a truss-shaped main beam. The box girder portal crane is generally an off-rail box girder, the supporting legs are provided with an upper arch frame, and the supporting legs form a hyperstatic frame, so that the problem that a trolley and goods pass through the legs is solved. Compared with a truss double-beam portal crane, the truss double-beam portal crane has the advantages of simple manufacturing technology, convenient and firm conveying equipment, good overall rigidity and larger self weight.

The existing double-beam gantry crane is generally of a structure of an offset-rail box beam, a lifting hook lifts an object along with the movement of the box beam on a track and moves the object to a certain position, but the structure can only move the object from one position to another position, the object cannot be rotated, the object is placed in a proper direction, if the object is loaded and loaded, other equipment is needed to assist in completing the work, time and labor are wasted, and the work efficiency is influenced.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above-mentioned defect of prior art, the utility model provides a box two roof beam portal cranes to solve the problem that exists among the above-mentioned background art.

The utility model provides a following technical scheme: a box-shaped double-beam gantry crane comprises a beam frame structure, wherein the beam frame structure comprises a beam frame main body, a traveling cavity is formed in the top of the beam frame main body, guide rail tracks are fixedly connected to the front side and the back side of the traveling cavity, the two sides of each guide rail track are fixedly connected with rail stop blocks, beam frame supporting frames are fixedly connected to the two sides of the bottom of the beam frame main body, traveling wheel supporting frames are fixedly connected to the front side and the back side of the bottom of the beam frame supporting frames, traveling wheels are fixedly connected to the front side and the back side of each traveling wheel supporting frame, blocking fences are fixedly connected to the periphery of the top of the beam frame main body, a hoisting mechanism is fixedly connected to the top of the beam frame main body and comprises a crane control box, guide rail sliders are fixedly connected to the front side and the back side of the bottom of the crane control box, two upper lifting ropes are fixedly connected to the bottom of the crane control box, angle adjusting devices are fixedly connected to the bottoms of the upper lifting ropes, and lower lifting ropes are fixedly connected to the bottoms of the lower lifting ropes;

the angle adjusting device comprises an upper rope fixing disc, two upper rope through holes are formed in the top of the upper rope fixing disc, the top of the upper rope fixing disc is located at one side of the upper rope through holes and is fixedly connected with an angle adjusting motor, the top of the upper rope fixing disc is located at the top of the angle adjusting through holes, the bottom of the angle adjusting motor is fixedly connected with an angle adjusting transmission shaft, the bottom of the angle adjusting transmission shaft is fixedly connected with a motor gear, one side of the motor gear is movably connected with a rotating gear, the bottom of the rotating gear is fixedly connected with a rope fixing rod, the bottom of the rope fixing rod is fixedly connected with a rope supporting rod, two sides of the rope supporting rod are fixedly connected with supporting rods, the bottom of the upper rope fixing disc is fixedly connected with a lower rope fixing disc, a controller is arranged inside the angle adjusting motor, remote control of a worker according to specific working conditions is facilitated, a hook fixedly connected with the bottom of a lower lifting rope can be replaced by other fixing mechanisms, such as a rope with four-corner fixing mechanisms, and the angle adjusting device is also applicable to fixing mechanisms with different angles of heavy objects.

Further, the dwang fixed slot has been seted up at the top of lower rope fixed disk, and the dwang through-hole has been seted up to the bottom of dwang fixed slot, and positioning groove has been seted up in the outside that the fixed slot bottom is located the dwang through-hole, positioning groove and the bottom swing joint of rope dead lever, when the rope dead lever rotates, the locating piece on rope dead lever 305 bottom rotates on positioning groove.

Further, motor gear passes through meshing swing joint with the running gear, the bottom of running gear is located the top fixedly connected with transfer line of rope dead lever, and the transfer line passes through bolt fixed connection with the running gear, and the transfer line passes through bolted connection with running gear 310, and when fixing down hoisting rope 204, detachable construction can dismantle rotating gear 310 earlier and then install hoisting rope down.

Further, the upper rope fixing disc is fixedly connected with the lower rope fixing disc through bolts, threaded rod through holes are formed in the peripheries of the tops of the upper rope fixing disc and the lower rope fixing disc, the upper rope fixing disc and the lower rope fixing disc 309 are fixed through bolts, the positions of the angle adjusting motor 302 and the upper lifting rope 203 are not changed in the working process, and the lower lifting rope 204 plays a role in fixing the position and supporting the rope fixing disc 305 in the working process.

Furthermore, go up the rope fixed disk and be located the bottom of last rope through-hole and offer the lifting rope fixed slot that is used for fixed lifting rope bottom, the lifting rope fixed slot that is used for fixed lifting rope top is offered at the top of rope fixed link, and the lifting rope through-hole has been offered to the bottom of fixed slot, goes up lifting rope 203 and all fixes in the lifting rope fixed slot through promoting the through-hole with lower lifting rope 204, is favorable to at the in-process that promotes heavy object the reasonable distribution of gravity to the heavy object.

Furthermore, the inner side of the lower rope fixing disc, which is located at the outer side of the supporting rod rotating rod, is provided with a corresponding rotating groove, and the upper lifting rope 203 and the lower lifting rope 204 are fixed in the lifting rope fixing groove through the lifting through holes, so that the gravity of the heavy object can be reasonably distributed in the lifting process.

The utility model discloses a technological effect and advantage:

the utility model discloses a be equipped with rotation groove and positioning groove, be favorable to the rope dead lever can not change at pivoted in-process relative position, locating piece on the rope bottom rotates on positioning groove, and the bracing piece rotary rod is rotatory also has played the supporting role at the rotation inslot, and lubricating oil has all been scribbled to the inside in two grooves moreover, has reduced the friction effect for the motor drives the heavy object rotation more smoothly.

Drawings

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

Fig. 2 is an explosion diagram of the overall structure of the present invention.

Fig. 3 is the structural schematic diagram of the hoisting mechanism of the utility model.

Fig. 4 is a schematic structural diagram of the angle adjusting device of the present invention.

The reference signs are: 1. a beam frame structure; 101. a beam frame body; 102. a travel cavity; 103. a rail track; 104. a rail stop; 105. a beam frame support frame; 106. a traveling wheel support frame; 107. a walking roller; 108. blocking the fence; 2. a hoisting mechanism; 201. a crane control box; 202. a guide rail slider; 203. Lifting the lifting rope; 204. a lower hoisting rope; 205. a hook; 3. an angle adjusting device; 301. a rope fixing disc is arranged; 302. an angle adjusting motor; 303. an angle-adjusting transmission shaft; 304. a motor gear; 305. a rope-fixing lever; 306. a rope support bar; 307. the supporting rod rotates the rod; 308. positioning the clamping groove; 309. a rope fixing disc is arranged; 310. a rotating gear; 311. rope feeding through holes; 312. angle modulation through-hole.

Detailed Description

The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings in the present invention, and the forms of the structures described in the following embodiments are merely examples, and the present invention relates to a box-shaped double-beam gantry crane which is not limited to the structures described in the following embodiments, and all other embodiments obtained by a person skilled in the art without creative work belong to the scope of the present invention.

Referring to fig. 1-4, the utility model provides a box-shaped double-beam gantry crane, including beam structure 1, beam structure 1 includes beam structure main part 101, traveling cavity 102 has been seted up at the top of beam structure main part 101, the equal fixedly connected with guide rail track 103 in the front and the back of traveling cavity 102 is located at the top of beam structure main part 101, the both sides fixedly connected with track dog 104 of guide rail track 103, the both sides of beam structure main part 101 bottom all fixedly connected with beam structure support frame 105, the front and the back of beam structure support frame 105 bottom all fixedly connected with walking wheel support frame 106, the front and the back of walking wheel support frame 106 all fixedly connected by walking gyro wheel 107, the fixedly connected with around at beam structure main part 101 top blocks fence 108, the top fixedly connected with hoisting mechanism 2 of beam structure main part 101, the front and the back fixedly connected with guide rail slider 202 of crane control box 201 bottom, the bottom fixedly connected with two upper hoisting ropes 203 of crane control box, the bottom fixedly connected with angle modulation device 3 of upper hoisting rope 203, the bottom fixedly connected with hoisting rope 204 of hoisting rope 204, the bottom fixedly connected with lower hoisting hook 205 of hoisting rope;

the angle adjusting device 3 comprises an upper rope fixing disc 301, two upper rope through holes 311 are formed in the top of the upper rope fixing disc 301, an angle adjusting through hole 312 is fixedly connected to one side, located at the upper rope through hole 311, of the top of the upper rope fixing disc 301, an angle adjusting motor 302 is fixedly connected to the top, located at the angle adjusting through hole 312, of the top of the upper rope fixing disc 301, an angle adjusting transmission shaft 303 is fixedly connected to the bottom of the angle adjusting motor 302, a motor gear 304 is fixedly connected to the bottom of the angle adjusting transmission shaft 303, a rotating gear 310 is movably connected to one side of the motor gear 304, a rope fixing rod 305 is fixedly connected to the bottom of the rotating gear 310, a rope supporting rod 306 is fixedly connected to the bottom of the rope fixing rod 305, supporting rod rotating rods 307 are fixedly connected to two sides of the rope supporting rod 306, a lower rope fixing disc 309 is fixedly connected to the bottom of the upper rope fixing disc 301, a controller is arranged inside the angle adjusting motor 302, and accordingly remote control of a worker in a working room can be facilitated, and the applicability of the lifting hook 205 fixedly connected to other fixing mechanisms, such as a fixed rope fixing mechanism with different angle adjusting beams 3, and the applicability of the gantry crane can be increased.

In a preferred embodiment, the top of lower rope fixed disk 309 has been seted up the dwang fixed slot, and the dwang through-hole has been seted up to the bottom of dwang fixed slot, and fixed slot bottom is located the outside of dwang through-hole and has been seted up positioning groove 308, positioning groove 308 and rope fixed rod 305's bottom swing joint, when rope fixed rod 305 rotates, the locating piece on rope fixed rod 305 bottom rotates on positioning groove 308, is favorable to increasing the support capacity of lower rope fixed disk 309.

In a preferred embodiment, the motor gear 304 is movably connected with the rotating gear 310 through meshing, a transmission rod is fixedly connected to the bottom of the rotating gear 310 at the top of the rope fixing rod 305, the transmission rod is fixedly connected with the rotating gear 310 through a bolt, the transmission rod is connected with the rotating gear 310 through a bolt, and when the lower lifting rope 204 is fixed, the detachable structure can detach the rotating gear 310 first and then mount the lower lifting rope 204, which is beneficial to mounting and fixing the lower lifting rope 204.

In a preferred embodiment, the upper rope fixing plate 301 is fixedly connected with the lower rope fixing plate 309 through bolts, threaded rod through holes are formed in the peripheries of the tops of the upper rope fixing plate 301 and the lower rope fixing plate 309, the upper rope fixing plate 301 and the lower rope fixing plate 309 are fixed through bolts, the positions of the angle adjusting motor 302 and the upper lifting rope 203 are not changed in the working process, and the lower lifting rope 204 plays a role in fixing and supporting the rope fixing rod 305 in the working process, so that the stability of the overall structure is improved, and the rotation transmission effect of the lower lifting rope 204 in the working process is improved.

In a preferred embodiment, the upper rope fixing disc 301 is located at the bottom of the upper rope through hole 311 and is provided with a lifting rope fixing groove for fixing the bottom of the lifting rope, the top of the rope fixing bar 305 is provided with a lifting rope fixing groove for fixing the top of the lifting rope, the bottom of the fixing groove is provided with a lifting rope through hole, the upper lifting rope 203 and the lower lifting rope 204 are both fixed in the lifting rope fixing groove through the lifting through holes, which is beneficial to reasonable distribution of gravity of a heavy object in the process of lifting the heavy object and is beneficial to improving the stability of the device.

In a preferred embodiment, the inner side of the lower rope fixing disc 309 located outside the support rod rotating rod 307 is provided with a corresponding rotating groove, during the operation, the support rod rotating rod 307 rotates in the rotating groove, the rotating groove is internally coated with lubricating oil, which is beneficial for the relative position of the rope fixing rod 305 not to change during the rotation, and the support rod rotating rod 307 also plays a supporting role in rotating in the rotating groove.

The utility model discloses a theory of operation: firstly, in the process of moving the heavy object, the crane control box 201 on the traveling cavity 102 is moved to a corresponding position by using the guide rail 103, the upper lifting rope 203 is controlled to descend, the angle adjusting motor 302 is started to adjust the angle of the hook 205 to a required angle, the heavy object is fixed on the hook 205, then the heavy object is lifted to a certain height and moved to a specified position, the angle adjusting motor 302 is started to drive the motor gear 304 to transmit with the rotating gear 310, and the lower lifting rope 204 is linked with the hook 205 and the heavy object to rotate to a required angle to place the heavy object.

In the process of starting the angle modulation motor 302, the angle modulation motor 302 transmits the torque to the angle modulation transmission shaft 303, the motor gear 304 is driven to rotate, the rope fixing rod 305 and the rope supporting rod 306 are driven to rotate by the meshing of the motor gear 304 and the rotating gear 310, the supporting rod rotating rod 307 rotates in the corresponding rotating groove, the rope is supported, the rope fixing rod 305 and the rope supporting rod 306 rotate to drive the heavy object to rotate to adjust the angle position, and the heavy object is easy to place at the corresponding position.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," "connecting," and "connecting" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be directly connected, and "upper," "lower," "left," and "right" are only used to indicate relative positional relationships, and when the absolute position of the object to be described is changed, the relative positional relationships may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a box two roof beam portal cranes, includes roof beam structure (1), its characterized in that: the beam frame structure (1) comprises a beam frame main body (101), the top of the beam frame main body (101) is provided with a running cavity (102), the top of the beam frame main body (101) is positioned on the front and the back of the running cavity (102) and is fixedly connected with a guide rail track (103), two sides of the guide rail (103) are fixedly connected with rail stoppers (104), two sides of the bottom of the beam frame main body (101) are fixedly connected with beam frame supporting frames (105), the front and the back of the bottom of the beam frame support frame (105) are both fixedly connected with travelling wheel support frames (106), the front and the back of the walking wheel supporting frame (106) are both fixedly connected with walking rollers (107), the periphery of the top of the beam frame main body (101) is fixedly connected with a barrier (108), the top of the beam frame main body (101) is fixedly connected with a hoisting mechanism (2), the hoisting mechanism (2) comprises a crane control box (201), the front surface and the back surface of the bottom of the crane control box (201) are fixedly connected with guide rail sliding blocks (202), the bottom of the crane control box (201) is fixedly connected with two upper lifting ropes (203), the bottom of the upper lifting rope (203) is fixedly connected with an angle adjusting device (3), the bottom of the angle adjusting device (3) is fixedly connected with a lower lifting rope (204), the bottom of the lower lifting rope (204) is fixedly connected with a lifting hook (205);

the angle adjusting device (3) comprises an upper rope fixing disc (301), two upper rope through holes (311) are formed in the top of the upper rope fixing disc (301), the top of the upper rope fixing disc (301) is located at one side of the upper rope through holes (311) and fixedly connected with angle adjusting through holes (312), the top of the upper rope fixing disc (301) is located at the top of the angle adjusting through holes (312) and fixedly connected with angle adjusting motors (302), the bottom of each angle adjusting motor (302) is fixedly connected with an angle adjusting transmission shaft (303), the bottom of each angle adjusting transmission shaft (303) is fixedly connected with a motor gear (304), one side of each motor gear (304) is movably connected with a rotating gear (310), the bottom of each rotating gear (310) is fixedly connected with a rope fixing rod (305), the bottom of each rope fixing rod (305) is fixedly connected with a supporting rod (306), the two sides of each rope supporting rod (306) are fixedly connected with a rotating rod (307), and the bottom of the upper rope fixing disc (301) is fixedly connected with a lower rope fixing disc (309).

2. The box-shaped double-beam gantry crane according to claim 1, wherein: dwang fixed slot has been seted up at the top of lower rope fixed disk (309), and the dwang through-hole has been seted up to the bottom of dwang fixed slot, and positioning groove (308) have been seted up in the outside that fixed slot bottom is located the dwang through-hole, positioning groove (308) and the bottom swing joint of rope dead lever (305).

3. The box-type double-beam gantry crane according to claim 1, wherein: the rope fixing device is characterized in that the motor gear (304) is movably connected with the rotating gear (310) through meshing, the bottom of the rotating gear (310) is located at the top of the rope fixing rod (305) and is fixedly connected with a transmission rod, and the transmission rod is fixedly connected with the rotating gear (310) through a bolt.

4. The box-shaped double-beam gantry crane according to claim 1, wherein: go up rope fixed disk (301) and pass through bolt and lower rope fixed disk (309) fixed connection, threaded rod through-hole has all been seted up around the top of going up rope fixed disk (301) and lower rope fixed disk (309).

5. The box-shaped double-beam gantry crane according to claim 1, wherein: go up rope fixed disk (301) and be located the bottom of last rope through-hole (311) and offer the lifting rope fixed slot that is used for fixed lifting rope bottom, the lifting rope fixed slot that is used for fixed lifting rope top is offered at the top of rope dead lever (305), and the lifting rope through-hole has been offered to the bottom of fixed slot.

6. The box-shaped double-beam gantry crane according to claim 1, wherein: the inner side of the lower rope fixing disc (309) is positioned at the outer side of the supporting rod rotating rod (307) and is provided with a corresponding rotating groove.