CN217201690U - Rail structure of gantry crane - Google Patents

Abstract

The utility model provides a gantry crane's track structure. The track structure at least comprises a base, a guide rail, fixing pieces and embedded parts, wherein the embedded parts are embedded in the base at intervals, and the fixing pieces are fixedly connected with the embedded parts and fix the guide rail on the base; the track structure is connected with the moving wheel of the ground beam structure through the guide rail; the motion wheel is divided into a power wheel and a driven wheel. The power wheel drives the driven wheel to move along the guide rail through the friction between the power wheel and the guide rail through rotation. The utility model discloses a thereby set up the power wheel that can change the direction of motion at the ground roof beam structurally and make originally can only move on a straight line the ground roof beam can move on the plane arbitrary direction, get into the ground roof beam two-dimensional movement by traditional one-dimensional moving means.

Description

Track structure of gantry crane

Technical Field

The utility model relates to a construction technical field especially relates to a gantry crane's track structure.

Background

The gantry crane is a deformation of a bridge crane and is called a gantry crane; the device is mainly used for loading and unloading operations of outdoor goods yards, stock yards 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. The ground beam of the gantry crane is used for supporting the main beam supporting legs and enabling the gantry crane to walk on the ground guide rail.

Patent publication No. CN202465062U discloses a high-strength ground beam of a single-beam gantry crane. The ground beam mainly solves the technical problems that the ground beam structure of the existing crane is complex, the strength is poor, the production cost is high, the assembly is built, the maintenance is difficult, and the like. The utility model discloses an including the girder, the both ends terminal surface of girder is connected with the mounting panel, and the upper portion of girder is connected with more than supporting platform, and one side of girder is equipped with the sideboard, is equipped with the reinforcing plate between sideboard and the girder, and the lower part of girder is equipped with the support column, is equipped with the reinforcing plate between support column and the girder.

The patent with publication number CN207483187U discloses a gantry crane ground beam, including landing leg and ground beam, be equipped with the support corresponding with the landing leg position on the ground beam, landing leg and support flange joint are equipped with horizontal backing plate between support and the ground beam, and the width of horizontal backing plate is not less than the interval of the adjacent gusset at support central point, support and ground beam respectively with horizontal backing plate fixed connection. The support and the ground beam are fixedly connected through the horizontal base plate, and the axial force transmitted by the support leg is transmitted to the horizontal base plate through the support, is accepted by the horizontal base plate and is transmitted to the ground beam.

The crane ground beam of prior art can only remove on the guide rail mostly, can't remove in many directions, to the problem that prior art exists, the utility model provides a gantry crane's ground beam structure. The utility model provides a ground beam structure can remove on the arbitrary direction of coplanar. Moreover, most of the existing crane tracks are arranged in a cast-in-place mode, and the crane can be operated only after the cast tracks are air-dried.

Furthermore, on the one hand, due to the differences in understanding to the person skilled in the art; on the other hand, since the inventor studied a lot of documents and patents when making the present invention, but the space did not list all details and contents in detail, however, this is by no means the present invention does not possess these prior art features, but on the contrary the present invention has possessed all features of the prior art, and the applicant reserves the right to increase the related prior art in the background art.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a gantry crane's track structure and grade beam structure. The track structure at least comprises a base, a guide rail, a fixing piece and an embedded part. The embedded parts are embedded in the base at intervals. The fixing piece is connected with the embedded part and fixes the guide rail on the base. The track structure is connected with the moving wheels of the ground beam structure through the guide rails. The motion wheel is divided into a power wheel and a driven wheel. The power wheel drives the driven wheel to move along the guide rail through rotating and friction with the guide rail.

Preferably, at least two supporting pieces are connected to the embedded part. The two supporting pieces are arranged on the same side of the embedded part and extend to the inside of the base. Preferably, more than two embedments are evenly distributed along the axial direction of the base.

Preferably, the fixing piece is arranged above the embedded part and connected with the guide rail. The guide rail is I-shaped. The lower extreme of mounting is equipped with the recess. The grooves of the two fixing pieces surround to form fixing grooves matched with the lower ends of the guide rails. The inner side wall of the fixing piece is abutted to the outer side wall of the guide rail. Preferably, two fixing pieces are arranged above each embedded part.

Preferably, a plurality of track structures can form a longer gantry crane track by end-to-end connection. Preferably, the base is of a rectangular configuration. The guide rail is fixed on the upper end face of the base. The base comprises concrete and a bearing piece arranged in the concrete. Preferably, the load bearing member may be a reinforcement cage. The base is connectable with a base of another rail structure. The upper end of the guide rail can be connected with the moving wheel. Preferably, the track structure may be prefabricated.

The ground beam structure at least comprises a beam body and a moving wheel. The beam body is at least provided with three moving wheels. Preferably, three moving wheels are connected to the beam body. The motion wheel is divided into a power wheel and a driven wheel. Preferably, a power wheel is arranged in the middle of the beam body. Preferably, two driven wheels are respectively arranged on two sides of the beam body. Preferably, the two driven wheels are symmetrical about the power wheel. The power wheel can change the direction to drive the driven wheel to move under the condition of carrying out movement in different directions by connecting with a rotating body arranged in the middle of the beam body.

According to a preferred embodiment, the rotor is arranged in a central position on the first surface of the beam. The beam body is provided with a channel at the installation position of the rotating body. The power wheel is connected with the rotating body in the channel. Preferably, the rotating body can be a steering engine or a stepping motor. Preferably, the rotor is connected to the beam by a mounting assembly. The rotor body and its mounting assembly are disposed outside the channel. Only the rotating shaft of the rotating body extends into the channel. The rotor body and its mounting assembly are capable of shielding the channel.

According to a preferred embodiment, the beam body is provided with at least three rectangular recesses at a second surface opposite to the first surface. One of the rectangular grooves is disposed at the center of the second surface of the beam body. At least two rectangular grooves are symmetrically arranged on the second surface of the beam body close to the edge relative to the rectangular groove arranged in the center of the second surface of the beam body. Preferably, the beam body is provided with three rectangular grooves on a second surface opposite to the first surface, and the depths of the three rectangular grooves are the same. Preferably, the depth of each of the three rectangular grooves is half of the height of the beam body.

According to a preferred embodiment, said power wheel and said driven wheel are respectively arranged inside three of said rectangular recesses. The power wheel is arranged in the rectangular groove in the center of the second surface of the beam body. The driven wheel is arranged in the rectangular groove on the edge of the second surface of the beam body. Preferably, the rectangular groove ground at the edge of the second surface of the beam body is provided with a mounting seat capable of mounting a universal wheel. Preferably, the driven wheel is a mounting.

According to a preferred embodiment, the axis of rotation of the rotor extends into the channel and is connected to the turntable. And a motor is arranged on the surface of one side of the turntable, which is far away from the rotating body. The motor is in transmission with the power wheel in a chain transmission mode. Preferably, the motor is fixedly connected with one side surface of the turntable far away from the rotating body in a bolt connection or welding mode. Preferably, the motor is movable as the turntable rotates. Preferably, one end of the motor rotor is far away from the circle center of the rotating disc and close to the edge of the rotating disc.

According to a preferred embodiment, the surface of the turntable provided with the motor is provided with two connecting frames. The first end of the connecting frame is connected with the rotary disc. And the second end of the connecting frame is connected with the central shaft of the power wheel. Preferably, the first end of the connecting frame is connected with the edge of the turntable. And the second end of the connecting frame is connected with the central shaft of the power wheel through a through hole. When the turntable rotates, the connecting frame drives the central shaft of the power wheel to rotate, so that the movement direction of the power wheel is adjusted.

According to a preferred embodiment, the rotor of the motor is connected with the flywheel in a sleeved mode and then connected with the central shaft of the power wheel through a chain. And the rotor of the motor and the chain are positioned on the same side of the power wheel.

According to a preferred embodiment, the channel extends through the bottom surface of the rectangular recess at the centre of the first and second surfaces of the beam. The bottom surface of the rectangular groove is coaxial with the channel.

According to a preferred embodiment, the shaft body of the central shaft on the side of the power wheel in driving connection with the motor chain is provided with teeth which encircle the surface of the shaft body of the central shaft and which can engage with the chain.

According to a preferred embodiment, the first surface of the beam is arranged as a rectangle. And connecting seats for connecting main beam supporting legs of the crane are respectively arranged at two ends of the first surface of the beam body. The two connecting seats are arranged in a position which is centrosymmetric about the first surface of the beam body.

The utility model provides a pair of gantry crane's ground beam structure has following one or more advantages at least:

(1) the utility model ensures the stability and the safety of the crane in the using process and effectively improves the working efficiency and the safety performance of the gantry crane by the way that the base, the guide rail, the fixing piece and the embedded piece form a track structure with good bearing capacity and are matched with the ground beam structure of the gantry crane;

(2) the utility model can change the motion direction by arranging the power wheel on the ground beam structure, so that the ground beam which originally can only move on a straight line can move in any direction of the plane, and the ground beam enters two-dimensional movement by the traditional one-dimensional movement mode;

(3) the utility model discloses be provided with at the both ends of ground beam structure from the driving wheel, both can be through the removal of following the action wheel in order to drive the removal of hoist from the driving wheel, can provide the support for the hoist when the power wheel carries out attitude adjustment again.

Drawings

Fig. 1 is a schematic view of a track structure according to a preferred embodiment of the present invention;

FIG. 2 is a schematic side view of a track structure according to a preferred embodiment of the present invention;

fig. 3 is a schematic view of a ground beam structure according to a preferred embodiment of the present invention;

fig. 4 is a schematic bottom view of a ground beam structure according to a preferred embodiment of the present invention;

fig. 5 is a schematic top view of a ground beam structure according to a preferred embodiment of the present invention;

fig. 6 is a schematic view of the ground beam structure driving wheel according to a preferred embodiment of the present invention;

fig. 7 is a schematic view of the connection between the driving wheel and the turntable of the ground beam structure according to a preferred embodiment of the present invention.

List of reference numerals

100: a ground beam structure; 101: a beam body; 102: a rotating body; 103: a power wheel; 104: a driven wheel; 105: a connecting seat; 106: a channel; 107: a turntable; 108: a motor; 109: a connecting frame; 110: a central shaft; 111: a chain; 200: a track structure; 201: a base; 202: a guide rail; 203: a fixing member; 204: embedding parts; 205: and a support member.

Detailed Description

The following detailed description is made with reference to fig. 1 to 5.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

The utility model provides a gantry crane's track structure and ground beam structure 200. Referring to fig. 1 and 2, the track structure 200 includes at least a base 201, a guide rail 202, a fixture 203, and an embedment 204. The embedded parts 204 are embedded in the base 201 at intervals. The fixing member 203 is connected to the embedment 204 and fixes the guide rail 202 to the base 201. The track structure is connected with the moving wheels of the ground beam structure by means of guide rails 202. The moving wheels are divided into a power wheel 103 and a driven wheel 104. The power wheel 103 drives the driven wheel 104 to move along the guide rail by rotating and rubbing with the guide rail.

Preferably, the fixture 203 is disposed above the embedment 204 and is connected to the rail 202. The guide rail 202 is i-shaped. The lower end of the fixing member 203 is provided with a groove. The grooves of the two fixing pieces 203 surround to form fixing grooves which are matched with the lower ends of the guide rails 202. The inner side wall of the fixing member 203 abuts against the outer side wall of the guide rail 202. Preferably, the base 201 has a rectangular structure. Preferably, at least two supports 205 are connected to the embedment 204. The two supporting members 205 are disposed on the same side of the embedded part 204 and extend into the base 201. Preferably, more than two embedments 204 are evenly distributed axially along the base 201. Preferably, two fixing pieces 203 are arranged above each embedded part 204.

Preferably, a plurality of rail structures 200 can form a longer rail of the gantry crane by end-to-end connection. The guide rail 202 is fixed to the upper end surface of the base 201. The base 201 comprises concrete and a load bearing member provided in the concrete. Preferably, the load bearing member may be a reinforcement cage. The base 201 can be connected with the base 201 of another rail structure 200. The upper end of the guide rail 202 can be connected with a moving wheel. Preferably, the track structure 200 may be prefabricated, so that the quality of the track structure 200 is easily controlled and can be directly installed at a construction site, and crane construction can be performed after installation. Preferably, the installed track structure 200 after the construction is finished can be disassembled and recycled for use in the next construction.

As shown in fig. 3, the present invention provides a floor beam structure 100 of a gantry crane. The ground beam structure 100 includes at least a beam body 101 and a moving wheel. The beam 101 is provided with at least three moving wheels. Preferably, three motion wheels are connected to the beam 101. The moving wheels are divided into a power wheel 103 and a driven wheel 104. Preferably, a power wheel 103 is provided in the middle of the beam 101. Preferably, two driven wheels 104 are respectively disposed at both sides of the beam body 101. Preferably, the two driven wheels 104 are symmetrical with respect to the power wheel 103. The power wheel 103 can change directions to drive the driven wheel 104 to move under the condition of carrying out different directions of movement by being connected with the rotating body 102 arranged at the middle part of the beam body 101. Preferably, the first surface of the beam body 101 is provided in a rectangular shape. Two ends of the first surface of the beam body 101 are respectively provided with a connecting seat 105 for connecting the main beam supporting legs of the crane. The two connection seats 105 are disposed at positions that are centrosymmetric with respect to the first surface of the beam body 101.

Referring to fig. 4, preferably, the beam body 101 is provided with at least three rectangular grooves at a second surface opposite to the first surface. A rectangular recess is provided in the center of the second surface of the beam 101. At least two rectangular grooves are symmetrically disposed on the second surface of the beam body 101 near the edges with respect to the rectangular groove disposed at the center of the second surface of the beam body 101. Preferably, the beam body 101 is provided with three rectangular grooves at a second surface opposite to the first surface, and the three rectangular grooves have the same depth. Preferably, the depth of each of the three rectangular grooves is half the height of the beam 101. Preferably, the power wheel 103 and the driven wheel 104 are respectively arranged inside three rectangular grooves. The power wheel 103 is arranged in a rectangular recess in the centre of the second surface of the beam 101. The driven wheel 104 is disposed in a rectangular recess in the edge of the second surface of the beam 101. Preferably, a mounting seat capable of mounting a universal wheel is arranged on the rectangular groove ground at the edge of the second surface of the beam body 101. Preferably, driven wheel 104 is a mount. Preferably, the beam 101 is provided with a channel 106 where the rotor 102 is mounted.

Referring to fig. 5, preferably, the rotating body 102 is disposed at a center position of the first surface of the beam body 101. The beam 101 is provided with a channel 106 where the rotor 102 is mounted. The power wheel 103 is connected to the rotor 102 within the channel 106. Preferably, the rotating body 102 may be a steering engine or a stepping motor. Preferably, the rotor 102 is coupled to the beam 101 by a mounting assembly. The body of the rotor 102 and its mounting assembly are disposed outside the channel 106. Only the rotational axis of the rotor 102 extends into the channel 106. The body of the rotor 102 and its mounting assembly can conceal the channel 106. Preferably, the two coupling sockets 105 are disposed at positions symmetrical with respect to the rotating body 102.

Referring to fig. 6, preferably, the rotational axis of the rotor 102 extends into the channel 106 and is connected to the turntable 107. The surface of the turntable 107 on the side remote from the rotor 102 is provided with a motor 108. The motor 108 is in transmission with the power wheel 103 in a chain transmission mode. Preferably, the motor 108 is fixedly connected to a side surface of the turntable 107 away from the rotor 102 by means of bolts or welding. Preferably, the motor 108 is movable as the turntable 107 rotates. Preferably, the end of the rotor of the motor 108 is located away from the center of the turntable 107 and near the edge of the turntable 107. Preferably, the rotor of the motor 108 is connected with the central shaft 110 of the power wheel 103 through a chain 111 after being sleeved on the flywheel.

Referring to fig. 7, preferably, the surface of the turntable 107 provided with the motor 108 is provided with two connecting frames 109. The first end of the connecting frame 109 is connected to the turntable 107. The second end of the connecting bracket 109 is connected to the central shaft 110 of the power wheel 103. Preferably, a first end of the connecting frame 109 is connected to the edge of the turntable 107. The second end of the connecting frame 109 is connected with the central shaft 110 of the power wheel 103 by arranging a through hole. When the turntable 107 rotates, the connecting frame 109 drives the central shaft 110 of the power wheel 103 to rotate, so that the movement direction of the power wheel 103 is adjusted. Preferably, the rotor of the motor 108 is connected with the central shaft 110 of the power wheel 103 through a chain 111 after being sleeved on the flywheel. The rotor of the motor 108 and the chain 111 are located on the same side of the power wheel 103. Preferably, the channel 106 extends through the first surface of the beam 101 and the bottom surface of the rectangular recess at the center of the second surface of the beam 101. The bottom surface of the rectangular recess is coaxial with the channel 106. Preferably, the shaft body of the central shaft 110 on the side of the power wheel 103 in chain transmission connection with the motor 108 is provided with teeth surrounding the surface of the shaft body of the central shaft 110 and capable of meshing with the chain 111. Referring to fig. 7, preferably, the power wheel 103 is provided with a recess having a width slightly larger than the width of the upper end of the guide rail 202. Preferably, the driven wheel 104 can be locked from having a steering function when the ground beam structure 100 is moved on the guide rails 202. Preferably, the moving wheel of the ground beam structure 100 can directly walk on the ground after the tire is mounted.

Preferably, the utility model provides a ground beam structure 100 can directly move to the guide rail from ground on, reduces the construction degree of difficulty. Preferably, the power wheel 103 is oriented such that both the driven wheel 104 and the power wheel 103 engage the guideway track. Preferably, on the guide rail, the motor 108 can drive the power wheel 103 to rotate through the chain 111, and then the power wheel 103 can drive the driven wheel 104 to move, so that the ground beam structure 100 can move on the guide rail.

For easy understanding, the operation principle of the track structure 200 and the ground beam structure of the gantry crane according to the present invention will be described.

The utility model discloses a gantry crane's track structure includes base, guide rail, mounting and built-in fitting at least. The embedded parts are embedded in the base at intervals. The fixing piece is connected with the embedded part and fixes the guide rail on the base. The track structure is connected with the moving wheels of the ground beam structure through the guide rails. The motion wheel is divided into a power wheel and a driven wheel. The power wheel drives the driven wheel to move along the guide rail through the friction between the power wheel and the guide rail through rotation. A plurality of track structures can form longer gantry crane's track through end-to-end connection. The guide rail is fixed on the upper end surface of the base. The base comprises concrete and a bearing piece arranged in the concrete. The load bearing member may be a reinforcement cage. The base can be connected to a base of another rail structure. The upper end of the guide rail can be connected with the moving wheel. The track structure can be prefabricated, is convenient for handle the control to track structure's quality and can directly install at the job site, alright carry out the hoist construction after the installation finishes. The track structure installed after construction can be dismantled and recycled for use in the next construction. The ground beam structure is provided with a power wheel and a driven wheel, and the power wheel is connected with a motor through a chain. The motor and the power wheel form chain transmission, the motor can drive the power wheel to rotate, and then the power wheel can drive the driven wheel to move, so that the ground beam structure can be moved. The utility model discloses be connected through the center pin of link and power wheel behind the carousel is connected in the pivot of rotor. Under the condition that the rotating body works, the rotating shaft of the rotating body drives the rotating disc to rotate, and then the position of the central shaft of the power wheel is changed through the connecting frame, so that the moving direction of the power wheel is changed. The utility model can change the motion direction by arranging the power wheel on the ground beam structure, so that the ground beam which originally can only move on a straight line can move in any direction of the plane, and the ground beam enters two-dimensional movement by the traditional one-dimensional movement mode; the utility model discloses be provided with at the both ends of ground beam structure from the driving wheel, both can be through the removal of following the action wheel in order to drive the removal of hoist from the driving wheel, can provide the support for the hoist when the power wheel carries out attitude adjustment again.

It should be noted that the above-mentioned embodiments are exemplary, and that those skilled in the art, having benefit of the present disclosure, may devise various arrangements that are within the scope of the present disclosure and that fall within the scope of the invention. It should be understood by those skilled in the art that the present specification and figures are illustrative only and are not limiting upon the claims. The scope of the invention is defined by the claims and their equivalents.

Claims (6)

1. The rail structure of the gantry crane is characterized by at least comprising a base (201), a guide rail (202), a fixing piece (203) and embedded parts (204), wherein the embedded parts (204) are embedded in the base (201) at intervals, the fixing piece (203) is connected with the embedded parts (204), and the guide rail (202) is fixed on the base (201); the track structure is connected with a moving wheel of the ground beam structure through the guide rail (202); the moving wheel is divided into a power wheel (103) and a driven wheel (104), wherein the power wheel (103) and the guide rail rub through rotation to drive the driven wheel (104) to move along the guide rail.

2. The track structure according to claim 1, wherein at least two support members (205) are connected to the embedment (204), the two support members (205) being disposed on the same side of the embedment (204) and extending into the interior of the base (201).

3. The track structure of claim 2, wherein the fixture (203) is disposed above the embedment (204) and connects to the rail (202); the guide rail (202) is I-shaped, the lower end of each fixing piece (203) is provided with a groove, the grooves of the two fixing pieces (203) surround to form fixing grooves matched with the lower end of the guide rail (202), and the inner side wall of each fixing piece (203) is abutted to the outer side wall of the guide rail (202).

4. A track structure according to claim 3, characterized in that the base (201) is of rectangular configuration, the guide rail (202) being fixed to the upper end surface of the base (201), the base (201) comprising concrete and a load-bearing member provided in the concrete.

5. The rail structure according to claim 4, characterized in that the base (201) is connectable with a base (201) of another rail structure.

6. Track structure according to claim 5, characterized in that the upper end of the guide rail (202) is connectable to the moving wheel.

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