CN214935489U - Gantry crane with height-adjustable supporting legs - Google Patents

Abstract

The utility model discloses a landing leg height-adjustable's gantry crane relates to hoist technical field, including girder and stabilizer blade, the control room is installed to one side of girder bottom, the alarm structure sets up in the central position department on girder top, the inside central position department of girder installs electronic pulley, and the bottom of electronic pulley installs the motor, the cable wheel is all installed to the both sides of the inside bottom of motor, and the outer wall of cable wheel all overlaps and is equipped with wire rope, the lifting hook is installed to wire rope's bottom, protection architecture sets up in the intermediate position department of electronic pulley both sides. The utility model discloses a control room control hydraulic ram is through the fixed steel sheet jack-up stabilizer blade that makes progress, keeps the stability of stabilizer blade simultaneously through the gag lever post, so not only need dismantle the back to the device and adjust the stabilizer blade, can also guarantee the stability of stabilizer blade and whole device in accommodation process simultaneously.

Description

Gantry crane with height-adjustable supporting legs

Technical Field

The utility model relates to a hoist technical field specifically is a landing leg height-adjustable's gantry crane.

Background

The metal structure of the portal crane is like a portal frame, two support legs are arranged below a bearing main beam, and the portal crane can directly walk on a track on the ground. The device is mainly used for loading and unloading outdoor goods yards, stockyards and bulk goods. However, the gantry crane is not convenient to adjust due to large volume, and is difficult to meet the requirements of various conditions.

Through retrieval, chinese patent No. CN 111776957A, publication No. 2020, 10, 16, 2020, discloses a gantry crane with adjustable leg height and a construction method thereof, wherein it is proposed that "a high-position leg is installed on a high-position track, an altitude leg is installed on an altitude leg, the top ends of the high-position leg and the altitude leg are flush, a main beam is fixedly installed at the top ends of the high-position leg and the altitude leg, and a hoisting device is installed at the bottom of the main beam" when the device adjusts the height of the crane leg, the whole crane needs to be disassembled, and the process is extremely complicated.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a landing leg height-adjustable's gantry crane to it is highly carrying out accommodation process very loaded down with trivial details problem to the landing leg to propose current device in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a portal crane with height-adjustable supporting legs comprises a main beam and supporting legs, and further comprises an alarm structure capable of achieving inclination early warning, a protection structure capable of cleaning rails and an adjusting structure capable of lifting the supporting legs;

an operation and control chamber is arranged on one side of the bottom end of the main beam, and the alarm structure is arranged in the center of the top end of the main beam;

an electric pulley is installed in the center of the interior of the main beam, a motor is installed at the bottom end of the electric pulley, steel cable wheels are installed on two sides of the bottom end of the interior of the motor, steel wire ropes are sleeved on the outer walls of the steel cable wheels, a lifting hook is installed at the bottom end of each steel wire rope, and the protection structure is arranged in the middle of two sides of the electric pulley;

the stabilizer blade is all installed to four corners of girder bottom, adjust the structure and set up in the bottom of stabilizer blade.

Preferably, adjust the structure still including fixed steel sheet, fixed steel sheet sets up in the bottom of stabilizer blade, the hydraulic ram is installed to the central point department of fixed steel sheet bottom, and the bottom plate is installed to the bottom of hydraulic ram, the gag lever post is all installed to the both sides on bottom plate top, and the top of gag lever post all runs through fixed steel sheet.

Preferably, the walking wheels are installed at the bottom end of the bottom plate, and the fixed steel plate is connected with the limiting rod in a sliding mode.

Preferably, the inner wall of girder is provided with the track, girder and electronic pulley sliding connection.

Preferably, the alarm structure comprises early warning case, the lantern ring, standpipe, alarm and pressure sensor, the early warning case sets up in the central position department on girder top, the lantern ring is installed to the central position department of the inside bottom of early warning incasement portion, and the internally mounted of the lantern ring has the standpipe, pressure sensor is all installed to the both sides of early warning incasement portion, the alarm is installed on the top of early warning case.

Preferably, the water storage pipe and the lantern ring are in sliding connection, and the length of the water storage pipe is larger than half of the length of the early warning box.

Preferably, protection architecture comprises photoelectric sensor, brush head, connecting plate and dead lever, the dead lever sets up in the intermediate position department of electronic pulley both sides, the connecting plate is all installed to the one end of dead lever, and the brush head is all installed at the both ends of connecting plate, photoelectric sensor is installed to one side that the dead lever was kept away from to the connecting plate.

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

1. the utility model provides a stabilizer blade, fixed steel sheet, hydraulic ram and gag lever post utilize control room control hydraulic ram to jack up the stabilizer blade through fixed steel sheet upwards, keep the stability of stabilizer blade through the gag lever post simultaneously, so not only need not adjust the stabilizer blade after dismantling the device, can also guarantee the stability of stabilizer blade and whole device simultaneously in the adjustment process, solved the nonadjustable problem of device height;

2. the utility model provides an early warning case, the lantern ring, the standpipe, alarm and pressure sensor, utilize the standpipe to take place to rock when the device is in the spacing lower side-to-side slip of lantern ring, when one end of standpipe and pressure sensor take place to contact and extrude pressure sensor, pressure sensor can give the alarm with signal transmission this moment, send out the police dispatch newspaper by the alarm, can remind staff's device like this to take place the rocking of certain range, need go to examine whether the device sends the problem this moment, solved the device and rocked the problem that is difficult to perceive;

3. the utility model provides an electronic pulley, photoelectric sensor, brush head, connecting plate and dead lever utilize electronic pulley to drive dead lever and connecting plate and remove to drive the brush head and clear up the inside track of girder, prevent that the foreign matter above the track from influencing the removal of electronic pulley, can prevent simultaneously through photoelectric sensor that electronic pulley and the both sides of girder from colliding, guaranteed the security of device, solved hanger rail and removed safe problem.

Drawings

Fig. 1 is a schematic view of the front cross-sectional structure of the present invention;

FIG. 2 is a schematic side view of the cross-sectional structure of the present invention;

FIG. 3 is a schematic top view of the cross-sectional structure of the present invention;

FIG. 4 is a schematic view of the front view section of the alarm structure of the present invention;

FIG. 5 is an enlarged schematic view of the structure A in FIG. 1 according to the present invention;

fig. 6 is an enlarged schematic structural diagram of B in fig. 2 according to the present invention.

In the figure: 1. a control room; 2. a main beam; 3. an electric pulley; 4. an alert structure; 401. an early warning box; 402. a collar; 403. a water storage pipe; 404. an alarm; 405. a pressure sensor; 5. a protective structure; 501. a photosensor; 502. a brush head; 503. a connecting plate; 504. fixing the rod; 6. an electric motor; 7. a support leg; 8. a wire rope; 9. a hook; 10. a wire rope wheel; 11. a traveling wheel; 12. fixing a steel plate; 13. a hydraulic jack; 14. a limiting rod; 15. a base plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1: referring to fig. 1-6, a portal crane with height-adjustable support legs comprises a main beam 2 and support legs 7, and further comprises an alarm structure 4 capable of performing inclination warning, a protection structure 5 capable of cleaning rails, and an adjusting structure capable of lifting the support legs 7;

an operation and control room 1 is arranged on one side of the bottom end of the main beam 2, and an alarm structure 4 is arranged in the center of the top end of the main beam 2;

an electric pulley 3 is arranged at the central position inside the main beam 2, a motor 6 is arranged at the bottom end of the electric pulley 3, steel cable wheels 10 are arranged on two sides of the bottom end inside the motor 6, steel wire ropes 8 are sleeved on the outer walls of the steel cable wheels 10, a lifting hook 9 is arranged at the bottom end of each steel wire rope 8, and a protection structure 5 is arranged at the middle position of two sides of the electric pulley 3;

four corners of the bottom end of the main beam 2 are provided with support legs 7, and the adjusting structure is arranged at the bottom ends of the support legs 7;

referring to fig. 1-6, the portal crane with adjustable supporting leg height further comprises an adjusting structure, the adjusting structure further comprises a fixed steel plate 12, the fixed steel plate 12 is arranged at the bottom end of the supporting leg 7, a hydraulic ram 13 is arranged at the central position of the bottom end of the fixed steel plate 12, a bottom plate 15 is arranged at the bottom end of the hydraulic ram 13, limiting rods 14 are arranged on two sides of the top end of the bottom plate 15, and the top ends of the limiting rods 14 penetrate through the fixed steel plate 12;

the bottom end of the bottom plate 15 is provided with walking wheels 11, and the fixed steel plate 12 is in sliding connection with the limiting rod 14;

the inner wall of the main beam 2 is provided with a track, and the main beam 2 is connected with the electric pulley 3 in a sliding way;

specifically, as shown in fig. 1, 2, and 5, the hydraulic ram 13 is controlled by the control chamber 1 to jack up the support leg 7 through the fixing steel plate 12, and the stability of the support leg 7 is maintained through the limiting rod 14, so that the support leg 7 is not adjusted after the device is disassembled, and the stability of the support leg 7 and the whole device can be ensured during the adjustment process.

Example 2: the warning structure 4 comprises a warning box 401, a lantern ring 402, a water storage pipe 403, a warning device 404 and a pressure sensor 405, wherein the warning box 401 is arranged at the central position of the top end of the main beam 2, the lantern ring 402 is arranged at the central position of the bottom end inside the warning box 401, the water storage pipe 403 is arranged inside the lantern ring 402, the pressure sensors 405 are arranged on two sides inside the warning box 401, and the warning device 404 is arranged at the top end of the warning box 401;

the water storage pipe 403 is in sliding connection with the lantern ring 402, and the length of the water storage pipe 403 is larger than half of the length of the early warning box 401;

specifically, as shown in fig. 1, fig. 2 and fig. 4, the water flow inside the water storage pipe 403 is driven to shake when the device shakes, so that the water storage pipe 403 slides left and right under the limit of the lantern ring 402, when one end of the water storage pipe 403 contacts with the pressure sensor 405 and extrudes the pressure sensor 405, the type of the pressure sensor 405 can be XM-C14, at the moment, the pressure sensor 405 transmits a signal to the alarm 404, and the alarm 404 gives an alarm, so that a worker can be reminded that the device shakes to a certain extent, and at the moment, whether the device sends a problem needs to be checked.

Example 3: the protection structure 5 comprises a photoelectric sensor 501, a brush head 502, a connecting plate 503 and a fixing rod 504, wherein the fixing rod 504 is arranged at the middle position of two sides of the electric pulley 3, the connecting plate 503 is arranged at one end of the fixing rod 504, the brush head 502 is arranged at two ends of the connecting plate 503, and the photoelectric sensor 501 is arranged at one side of the connecting plate 503 far away from the fixing rod 504;

specifically, as shown in fig. 1, 3 and 6, the electric pulley 3 is controlled by the control room 1 to move inside the main beam 2, so that the brush head 502 is driven by the fixing rod 504 and the connecting plate 503 to clean the track inside the main beam 2, thereby preventing foreign matters on the track from influencing the movement of the electric pulley 3, and meanwhile, the electric pulley 3 can be prevented from colliding with the two sides of the main beam 2 by the photoelectric sensor 501, wherein the model of the photoelectric sensor 501 can be E3Z-LS61, thereby ensuring the safety of the device.

The working principle is as follows: when the device is used, the device is electrified, then the electric pulleys 3 are controlled to move on two sides of the main beam 2 through the control room 1, and meanwhile, the motor 6 is driven to move;

the first innovation point implementation step:

the first step is as follows: the electric pulley 3 drives the brush head 502 to move through the fixed rod 504 and the connecting plate 503;

the second step is that: the brush head 502 cleans the track on the main beam 2;

the third step: and simultaneously, the photoelectric sensor 501 can prevent the electric pulley 3 from colliding with both sides of the main beam 2.

After the goods reach the upper part of the goods, the motor 6 is controlled to drive the steel cable wheel 10 to rotate, the lifting hook 9 is slowly put down, then the goods are hung above the lifting hook 9, and finally the control room 1 controls the travelling wheels 11 to move to transport the goods to a specified position, when the goods need to be transported to a specified high platform;

the implementation step of the second innovation point:

the first step is as follows: the hydraulic jack 13 is controlled by the control chamber 1 to jack up the support leg 7 upwards through the fixed steel plate 12;

the second step is that: the stability of the foot 7 is maintained by means of a arresting bar 14.

The third innovation point implementation step:

the first step is as follows: when the device shakes, the water flow in the water storage pipe 403 is driven to shake;

the second step is that: the water storage pipe 403 slides left and right under the limit of the lantern ring 402;

the third step: when one end of the water storage pipe 403 is contacted with the pressure sensor 405 and the pressure sensor 405 is added with oil, the pressure sensor 405 transmits a signal to the alarm 404, and the alarm 404 gives an alarm.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a landing leg height-adjustable's gantry crane, includes girder (2) and stabilizer blade (7), its characterized in that: the device also comprises an alarm structure (4) capable of achieving inclination early warning, a protection structure (5) capable of cleaning the track and an adjusting structure capable of lifting the support legs (7);

an operation and control chamber (1) is installed on one side of the bottom end of the main beam (2), and the alarm structure (4) is arranged in the center of the top end of the main beam (2);

an electric pulley (3) is mounted in the center of the interior of the main beam (2), a motor (6) is mounted at the bottom end of the electric pulley (3), steel cable wheels (10) are mounted on two sides of the bottom end of the interior of the motor (6), steel wire ropes (8) are sleeved on the outer walls of the steel cable wheels (10), a lifting hook (9) is mounted at the bottom end of each steel wire rope (8), and the protection structure (5) is arranged in the middle of two sides of the electric pulley (3);

stabilizer blade (7) are all installed to four corners of girder (2) bottom, adjust the structure and set up in the bottom of stabilizer blade (7).

2. The gantry crane with adjustable leg height of claim 1, wherein: adjust the structure still including fixed steel sheet (12), fixed steel sheet (12) set up in the bottom of stabilizer blade (7), hydraulic ram (13) are installed to the central point department of putting of fixed steel sheet (12) bottom, and bottom plate (15) are installed to the bottom of hydraulic ram (13), gag lever post (14) are all installed to the both sides on bottom plate (15) top, and fixed steel sheet (12) are all run through on the top of gag lever post (14).

3. The gantry crane with adjustable leg height of claim 2, wherein: walking wheels (11) are all installed to the bottom of bottom plate (15), fixed steel sheet (12) and gag lever post (14) are sliding connection.

4. The gantry crane with adjustable leg height of claim 1, wherein: the inner wall of the main beam (2) is provided with a track, and the main beam (2) is connected with the electric pulley (3) in a sliding manner.

5. The gantry crane with adjustable leg height of claim 1, wherein: alarm structure (4) comprise early warning case (401), the lantern ring (402), standpipe (403), alarm (404) and pressure sensor (405), early warning case (401) set up in the central position department on girder (2) top, the central position department of the inside bottom of early warning case (401) installs the lantern ring (402), and the internally mounted of the lantern ring (402) has standpipe (403), pressure sensor (405) are all installed to the inside both sides of early warning case (401), alarm (404) are installed on the top of early warning case (401).

6. The gantry crane with adjustable leg height of claim 5, wherein: the water storage pipe (403) is in sliding connection with the lantern ring (402), and the length of the water storage pipe (403) is larger than half of the length of the early warning box (401).

7. The gantry crane with adjustable leg height of claim 1, wherein: protection architecture (5) comprise photoelectric sensor (501), brush head (502), connecting plate (503) and dead lever (504), dead lever (504) set up in the intermediate position department of electronic pulley (3) both sides, connecting plate (503) are all installed to the one end of dead lever (504), and the both ends of connecting plate (503) all install brush head (502), photoelectric sensor (501) are installed to one side that dead lever (504) were kept away from in connecting plate (503).

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