CN219174067U

CN219174067U - Electric gantry crane

Info

Publication number: CN219174067U
Application number: CN202320039222.9U
Authority: CN
Inventors: 朱跃贤; 张瑞杰
Original assignee: Shandong Hengantai Heavy Machinery Co ltd
Current assignee: Shandong Hengantai Heavy Machinery Co ltd
Priority date: 2023-01-07
Filing date: 2023-01-07
Publication date: 2023-06-13
Anticipated expiration: 2033-01-07

Abstract

The utility model relates to the technical field of gantry cranes, in particular to an electric gantry crane which comprises a gantry, rollers, clamping arms and windlass, wherein rear brackets are arranged at the upper end of the gantry, the rollers are rotatably arranged between the brackets, a first steel cable is arranged on the outer wall of the rollers, the clamping arms are fixedly connected to the lower end of the first steel cable, and windlass are symmetrically arranged on two sides of the lower end of the gantry. The utility model has the function of angle positioning of the hoisted object, solves the problem that the existing electric gantry crane has no effective angle positioning function, causes the object to easily rotate in the hoisting process, has a certain influence on the safety production, and suffers from infinity later.

Description

Electric gantry crane

Technical Field

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

Background

The portal crane is mainly used for loading and unloading operations of outdoor goods yards, stock yards and bulk goods. The metal structure of the utility model is like a door-shaped frame, two supporting legs are arranged under the bearing main beam, the walking device can walk on the track on the ground directly, and the two ends of the main beam can be provided with overhanging cantilever beams. The portal crane has the characteristics of high field utilization rate, large operation range, wide application range, strong universality and the like, and is widely used in port cargo yards.

Through retrieving, patent bulletin number is CN216737272U, discloses an electric gantry crane, the hinge of backup pad top has the roof, it has the torsional spring to articulate between roof and the backup pad, the inside right side fixedly connected with servo motor of roof, servo motor left side fixedly connected with lead screw, lead screw surface sliding connection has the slider, lead screw left side fixedly connected with fixed block, roof bottom fixedly connected with adjustment mechanism, roof top fixedly connected with folding mechanism. This electric portal crane rotates in square groove through setting up the stock, when the stock reachs semicircle hole groove, with ball joint at semicircle hole inslot fixed stock under reset spring effect, at this moment the connecting plate drives the connecting rod and rotates on the bull stick, can adjust the position that oneself needs to descend, set up the gear and arrange the tooth and rotate at the tooth, can drive the roof under the effect of torsional spring, the second pivot is along with the gear removal, fold the roof in the backup pad under the effect of torsional spring, in the prior art CN216737272U, in use, though can have certain hoist and mount effect, nevertheless the defect that exists is: the existing electric gantry crane has the defect of having an effective angle positioning function, so that objects are easy to rotate in the hoisting process, a certain influence is caused on safety production, and the problem is solved.

Disclosure of Invention

The utility model aims to solve the problems in the background art and provides an electric gantry crane.

The technical scheme of the utility model is as follows: the utility model provides an electronic portal crane, includes portal frame, cylinder, centre gripping arm and hoist engine, the portal frame upper end sets up the back support, rotate between the support and install the cylinder, the cylinder outer wall is provided with first cable wire, first cable wire lower extreme fixedly connected with centre gripping arm, portal frame lower extreme bilateral symmetry is provided with the hoist engine.

When the electric gantry crane is used, an object to be hoisted is fixed by the clamping arm, the motor can be started after the object is fixed, the motor drives the roller to rotate so as to pull the first steel cable to ascend and descend, the object is rotated due to the influence of wind power possibly received in the hoisting process, two sides of the object can be fixed by using the second steel cable at the lower end of the winch with synchronous working effect, and therefore the object cannot rotate even if transverse wind power exists in the hoisting process, and the occurrence probability of safety accidents is reduced.

Preferably, a second steel rope is arranged at the lower end of the winch. The second steel rope can be matched with the first steel rope to hoist the object, and the second steel rope is synchronously wound and unwound under the action of the controller, so that the object can be prevented from rotating in the horizontal direction when the object is suspended.

Preferably, a controller is arranged on the outer wall of one side of the portal frame, and the controller is matched with the winch.

Preferably, positioning wheels are fixedly arranged on two sides of the middle of the portal frame, and one side edge of each positioning wheel is tangent to the central axis of the device. Through the design of locating wheel can make first cable wire can not rub with portal frame upper end edge, increase device's life.

Preferably, a motor is arranged on one side of the bracket, and the motor is matched with the roller. The roller can be controlled to rotate through the motor, so that the ascending and descending control effect of the first steel cable is realized.

Preferably, the lower end of the portal frame is provided with a base, the base is fixedly connected with a connecting frame outside the portal frame, and mounting holes are formed in two sides of the base. The stability of the device can be increased through the arrangement of the base and the connecting frame.

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

1. the device can utilize the motor to drive the first steel rope to hoist the object;

2. the device can fix the second steel rope on two sides of the object before lifting, and lift the object along with the first steel rope, so that the object can be prevented from rotating, and safety accidents are caused.

Drawings

FIG. 1 is a three-dimensional schematic of the present utility model;

fig. 2 is a schematic top view of the present utility model.

Reference numerals:

1. a portal frame; 2. a positioning wheel; 3. a motor; 4. a roller; 5. a bracket; 6. a controller; 7. a second wire rope; 8. a first wire rope; 9. a mounting hole; 10. a connecting frame; 11. a clamping arm; 12. a hoist; 13. and (5) a base.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The technical scheme of the utility model is further described below with reference to the attached drawings and specific embodiments.

Embodiment one:

as shown in fig. 1 to 2, the electric gantry crane provided by the utility model comprises a gantry 1, a roller 4, a clamping arm 11 and a winch 12, wherein a base 13 is arranged at the lower end of the gantry 1, the base 13 is fixedly connected with a connecting frame 10 outside the gantry 1, mounting holes 9 are formed in two sides of the base 13, stability of the device can be improved through arrangement of the base 13 and the connecting frame 10, a rear bracket 5 is arranged at the upper end of the gantry 1, the roller 4 is rotatably arranged between the brackets 5, a motor 3 is arranged on one side of the bracket 5, the motor 3 is matched with the roller 4, the rotation of the roller 4 can be controlled through the motor 3, and the ascending and descending control effect of a first steel cable 8 is realized, and a first steel cable 8 is arranged on the outer wall of the roller 4.

In this embodiment: the device can utilize the motor 3 to drive the first steel rope 8 to lift the object.

Embodiment two:

as shown in fig. 1 to 2, compared with the first embodiment, the present embodiment of the present utility model further includes: the positioning wheels 2 are fixedly arranged on two sides of the middle of the portal frame 1, one side edge of each positioning wheel 2 is tangent to the central axis of the device, the first steel cable 8 cannot rub against the edge of the upper end of the portal frame 1 through the design of the positioning wheels 2, the service life of the device is prolonged, the lower end of each first steel cable 8 is fixedly connected with the clamping arm 11, the two sides of the lower end of the portal frame 1 are symmetrically provided with the windlass 12, the lower end of each windlass 12 is provided with the second steel cable 7, objects can be hoisted through the second steel cable 7 in cooperation with the first steel cable 8, the winding and unwinding of the second steel cable 7 are synchronous under the action of the controller 6, the objects can be prevented from rotating in the horizontal direction when being suspended, and the controller 6 is arranged on the outer wall of one side of the portal frame 1 and is matched with the windlass 12.

In this embodiment, the second steel cable 7 can be fixed on two sides of the object before lifting, and the second steel cable 8 can be lifted to prevent the object from rotating, thereby causing a safety accident.

When the device is used, objects to be hoisted are fixed by the clamping arms 11, the motor 3 can be started after the objects are fixed, the motor 3 drives the roller 4 to rotate and pull the first steel cable 8 to ascend and descend, the objects are rotated due to the influence of wind power possibly received in the hoisting process, two sides of the objects can be fixed by the second steel cable 7 at the lower end of the hoist 12 with synchronous working effect, and therefore the objects cannot rotate even if transverse wind power exists in the hoisting process, and the occurrence probability of safety accidents is reduced. The utility model has the function of angle positioning of the hoisted object, solves the problem that the existing electric gantry crane has no effective angle positioning function, causes the object to easily rotate in the hoisting process, has a certain influence on the safety production, and suffers from infinity later.

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 utility model may be embodied in other specific forms without departing from the spirit or essential characteristics 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 an electronic portal crane, includes portal frame (1), cylinder (4), centre gripping arm (11) and hoist engine (12), its characterized in that: the automatic lifting device is characterized in that a rear support (5) is arranged at the upper end of the portal frame (1), a roller (4) is rotatably arranged between the supports (5), a first steel cable (8) is arranged on the outer wall of the roller (4), clamping arms (11) are connected to the lower end of the first steel cable (8), and windlass (12) are symmetrically arranged at two sides of the lower end of the portal frame (1).

2. An electric gantry crane according to claim 1, characterized in that: the lower end of the winch (12) is provided with a second steel cable (7).

3. An electric gantry crane according to claim 1, characterized in that: the outer wall of one side of the portal frame (1) is provided with a controller (6), and the controller (6) is matched with the winch (12).

4. An electric gantry crane according to claim 1, characterized in that: positioning wheels (2) are fixedly arranged on two sides of the middle of the portal frame (1), and one side edge of each positioning wheel (2) is tangent to the central axis of the device.

5. An electric gantry crane according to claim 1, characterized in that: a motor (3) is arranged on one side of the support (5), and the motor (3) is matched with the roller (4).

6. An electric gantry crane according to claim 1, characterized in that: the lower extreme of portal frame (1) is provided with base (13), base (13) with portal frame (1) outside fixedly connected with link (10), base (13) both sides are provided with mounting hole (9).