CN219771652U - Gantry crane - Google Patents

Abstract

The utility model relates to the field of lifting devices, in particular to a gantry crane. The gantry lifter at least comprises a gantry framework, a conveying unit and a power unit; the power unit drives the driving chain through the lifting motor to further drive the conveying unit to lift, so that the conveying unit can be lifted to any height in the stroke; the conveying unit is at least one layer, and every layer of conveying unit at least comprises a conveying line body and a transverse moving line body, wherein the directions of the conveying line body and the transverse moving line body for conveying the module tray are horizontal and mutually vertical, the transverse moving line body is installed inside the conveying line body through a jacking mechanism, when the conveying line body works, the transverse moving line body is not contacted with the module tray, when the transverse moving line body works, the jacking mechanism jacks up the transverse moving line body, the transverse moving line body jacks up the module tray simultaneously, the conveying line body is not contacted with the module tray, and meanwhile, the conveying line body and the transverse moving line body are arranged on the conveying unit, so that the flow of multiple directions of the module tray can be realized.

Description

Gantry crane

Technical Field

The utility model relates to the field of lifting devices, in particular to a gantry crane.

Background

At present, in the new forms of energy battery module line field, the electricity core is pressed from both sides by the robot and is got the back and put into a transfer chain on the module tray after accomplishing the equipment, and the tray utilizes the lifting machine to flow into lower floor's transfer chain, and current lifting machine mostly adopts the cylinder as lifting power, and the cylinder drives the inside transfer chain of chain lifting machine, under the heavier circumstances of module tray, still need utilize two cylinders to accomplish the promotion. The lifting is completed by using the air cylinders, the lifting height can be controlled only through hard limit, a plurality of lifting heights can not be achieved, a double-air-cylinder lifting machine is adopted, two air cylinders can not be synchronous, and the lifting process is unstable; when the template tray needs to reach a very high position, the cylinder needs to use a large cylinder with longer stroke, and the larger the cylinder is, the more the air storage tank is increased to achieve pressure stabilization for keeping the stability of air pressure, and the cost is increased. The tray only flows in one direction, and the transverse line is required to be added in other areas when the direction is required to be changed, so that the space utilization rate is low.

Disclosure of Invention

Based on this, the object of the utility model is a gantry crane which can reach arbitrary heights in the range of travel and the module trays can change the flow direction.

The technical scheme for solving the technical problems is as follows: the utility model provides a gantry crane, which at least comprises a gantry framework, a conveying unit and a power unit;

the power unit at least comprises a lifting motor, a bearing and a driving chain, the driving chain is wound on the gantry framework through the bearing, the lifting motor drives the driving chain to rotate through a gear, and the conveying unit is arranged on the driving chain and rotates along with the driving chain to realize lifting;

the conveying units are at least one layer, each layer of conveying unit at least comprises a conveying line body and a transverse line body, and the directions of the conveying line body and the transverse line body conveying module tray are horizontal and perpendicular to each other; the horizontal moving line body is installed inside the conveying line body through a jacking mechanism, when the conveying line body works, the horizontal moving line body does not contact with the module tray, when the horizontal moving line body works, the jacking mechanism jacks up the horizontal moving line body, the horizontal moving line body jacks up the module tray at the same time, and the conveying line body does not contact with the module tray.

As a preferred embodiment, the conveyor unit further comprises a backstop for preventing backflow of the module tray without affecting the normal inflow of the module tray onto the conveyor unit and/or a pneumatic stop switch for stopping the inflow of the module tray.

As a preferred embodiment, the conveying unit further comprises a proximity switch for detecting the in-place and out-of-place of the module tray; and/or a diffuse reflection switch for detecting whether the module tray flows out; and/or an auxiliary drum for assisting in the inflow and outflow of the module tray.

As a preferred embodiment, the elevator further comprises a conveying unit positioning mechanism for positioning after the conveying unit has been moved to the specified position.

Further, the conveying unit positioning mechanism at least comprises a positioning cylinder and a positioning hole, and after the conveying unit moves to the designated position, a bolt at the end part of a piston rod of the positioning cylinder is inserted into the positioning hole.

As a preferred embodiment, the elevator further comprises a counterweight unit for counterweight of the conveying unit.

Further, the counterweight unit at least comprises a counterweight block, and the counterweight block can slide up and down along the gantry framework along with the lifting of the conveying unit.

Still further, the counter weight unit still includes auxiliary chain, auxiliary chain is parallel with the drive chain juxtaposition to with conveying unit and balancing weight fixed connection.

As a preferred embodiment, the elevator further comprises an emergency braking unit for emergency braking in case of breakage of the drive chain, avoiding continued falling of the conveyor unit.

Further, the emergency braking unit at least comprises a braking block and a spring, wherein the anti-falling rack arranged on the gantry framework is arranged on the conveying unit, one end of the braking block is connected with the conveying unit, the other end of the braking block is connected with the auxiliary chain, and when the driving chain breaks, the spring pushes the braking block to be clamped on the anti-falling rack to prevent the conveying unit from continuously falling.

As a preferred embodiment, the elevator further comprises a maintenance protection unit for securing the transport unit against lowering during maintenance.

Further, the maintenance protection unit at least comprises a crime preventing device for preventing the lifting conveying unit from descending and a safety latch for preventing the lifting conveying unit from lifting.

Compared with the prior art, the technical scheme of the utility model has the following beneficial technical effects: the lifting motor drives the driving chain to realize the lifting of the conveying unit, so that the conveying unit can be lifted to any height in the stroke, and the adjustment is flexible, convenient and stable; meanwhile, the transverse line body is arranged on the conveying unit, so that the flowing direction of the module tray on the conveying unit can be changed, the conveying line in three directions is compatible, the occupied space of a plurality of devices is reduced, and the cost of production devices is reduced.

Drawings

Fig. 1 is a schematic perspective view of a gantry crane according to an embodiment of the present utility model;

FIG. 2 is a schematic view of the structure of FIG. 1 from another perspective without the conveyor unit;

FIG. 3 is a schematic view of the structure of FIG. 2 from another perspective;

FIG. 4 is an enlarged view of a portion of the emergency brake unit of FIG. 3;

FIG. 5 is a schematic view of the structure of the conveying unit;

in the drawings, the list of components represented by the various numbers is as follows:

1, a gantry framework;

the device comprises a conveying unit 2, a conveying line body 21, a traversing line body 22, a lifting mechanism 23, a check device 24, a pneumatic stop switch 25, a proximity switch 26, a diffuse reflection switch 27 and an auxiliary roller 28;

the power unit is 3, the lifting motor is 31, the bearing is 32, the driving chain is 33, the driving gear is 34, the driven gear is 35, and the driving gear is 36;

4, a conveying unit positioning mechanism, 41 positioning air cylinders and 42 positioning holes;

5, a counterweight unit, a 51 counterweight and a 52 auxiliary chain;

6, maintaining the protection unit, 61 replacing the safety bolts of sheep and 62;

7 emergency braking units, 71 anti-falling racks, 72 braking blocks and 73 springs.

Detailed Description

In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. Embodiments of the utility model are illustrated in the accompanying drawings. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.

It will be understood that spatially relative terms, such as "under", "below", "beneath", "under", "above", "over" and the like, may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use and operation in addition to the orientation depicted in the figures.

It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or be connected to the other element through intervening elements.

As shown in fig. 1, a gantry lifter at least comprises a gantry framework 1, a conveying unit 2 and a power unit 3; the power unit 3 at least comprises a lifting motor 31, a bearing 32 and a driving chain 33, the driving chain 33 is wound on the gantry framework 1 through the bearing 32, the lifting motor 31 drives the driving chain 33 to rotate through a gear, and the conveying unit 2 is arranged on the driving chain 33 and rotates along with the driving chain to realize lifting.

The conveying unit 2 is at least one layer, preferably two layers, the upper layer wire body and the lower layer wire body can be separated through the protection plate, foreign matters are prevented from falling into the conveying unit, each layer of conveying unit 2 at least comprises a conveying wire body 21 and a transverse wire body 22, the directions of conveying wire bodies 21 and transverse wire bodies 22 for conveying the module tray are horizontal and mutually perpendicular, namely the module tray can flow out and flow in at least three directions. Specifically, the traverse line body 22 is installed inside the conveying line body 21 through a jacking mechanism 23, when the conveying line body 21 works, the traverse line body 22 does not contact with the module tray, when the traverse line body 22 works, the jacking mechanism 23 jacks up the traverse line body 22, the traverse line body 22 simultaneously contacts with and jacks up the module tray, the conveying line body 21 does not contact with the module tray, and the mutual noninterference between the conveying line body 21 and the traverse line body 22 is ensured.

This planer-type lift passes through drive chain 33 and drives conveying unit 2 and go up and down, and specific lift accessible promotes the rotation of motor 31 and realizes, further through location sensor etc. with promote motor linkage or be computer system control can promote it to the arbitrary height in the stroke, adjust more nimble convenient and avoided adopting the drawback that the cylinder was increaseed, set up transfer chain body 21 and traverse line body 22 on conveying unit 2 simultaneously to guarantee that the direction of both transport module trays is mutually perpendicular, realized the flow of module tray a plurality of directions.

In addition, it can be understood that, in order to ensure that the jacking mechanism 23 normally jacks up the transverse moving line body 22, the transverse moving line body 22 is fixed in the frame of the conveying unit 2 through a jacking plate, the jacking mechanism 23 jacks up the jacking plate through the transverse moving mounting plate, and the jacking plate runs on the transverse moving mounting plate through a guide shaft and a flange linear bearing, so that the stability of the jacking action is ensured. The jacking mechanism 23 realizes jacking in the form of an air cylinder or a motor, and the conveying line body 21 and the transverse moving line body 22 realize conveying of the module tray through two parallel servo motors respectively.

Further, the conveying unit 2 further includes a check 24 and a pneumatic stop switch 25, the check 24 is used for preventing the backflow of the module tray without affecting the normal inflow of the module tray, for example, the following forms can be adopted: the check 24 is disposed at the feeding end of the conveyor line body 21, and has an inclined surface structure on its upper surface, when the module tray flows in, the check contacts the inclined surface first and makes its rotation not to affect the module tray to continue to move forward, and after the module tray flows in completely, the check 24 automatically returns to the original state under the action of its own gravity, and its longitudinal surface corresponding to the inclined surface blocks the back flow of the module tray. The pneumatic stop switch 25 is used for stopping the flowing-in module tray and playing a buffering role, when the conveying line body 21 works, the pneumatic stop switch 25 ventilates and rotates to stop the module tray, the conveying line body 21 works and drives the module tray to flow out.

Further, the conveying unit 2 further includes a proximity switch 26 for detecting the in-place and out-of-position of the module tray, and a diffuse reflection switch 27 for detecting whether there is an outflow of the module tray, and an auxiliary drum 28 for assisting the inflow and outflow of the module tray. It will be appreciated that the setting positions of the proximity switch 26 and the diffuse reflection switch 27 may be adjusted according to the situation, and the auxiliary rollers 28 are respectively disposed on the frame of the conveying unit 2 and are respectively parallel to the height of the conveying line body 21 or the traversing line body 22 when conveying the module tray, so as to alleviate the problem of insufficient power caused by the overlarge distance between the two line bodies.

Further, in order to ensure the smooth running of the conveying unit, the gantry framework 1 comprises a left and right front framework, a left and right rear upright post, a main framework and a horizontally arranged bottom plate, wherein the left and right front framework, the left and right rear framework are fixed on the bottom plate through screws and the like to form a cuboid structure, the middle of the framework is reinforced through connecting square pipes, the main framework is parallel to the left and right rear upright post and is used for bearing the main body parts of the power unit 3 and the conveying unit 2, the upper ends of the main framework and the left and right rear upright post are fixed with the left and right rear upright post ends, the complete gantry framework 1 is formed, the structure is stable, and the stability during lifting can be ensured to ensure the smooth running of the equipment.

Further, a guide rail is arranged on the main framework, and the conveying unit 2 can be lifted along the guide rail through a sliding block under the driving of the power unit 3. When the lifting motor 31 in the power unit 3 rotates forward, the driving chain 33 is driven to rotate, the driving chain 33 drives the conveying unit 2 to ascend to reach a designated position, the conveying unit 2 works, the module tray flows out or flows in, after the completion, the lifting motor 31 rotates reversely, the conveying unit 2 works after the conveying unit descends to reach the designated position, and the module tray flows out or flows in.

Referring to fig. 2, the power unit 3 may specifically have the following structure: the power unit further comprises a driving gear 34, a driven gear 35 and a driving gear 36 integrally formed with the driven gear 35, the lifting motor 31 is connected with the driving gear 34, the driving gear 34 is connected with the driven gear 35 through a chain or a conveyor belt, the lifting motor 31 works, and the driving gear 34, the driven gear 35 and the driving gear 36 drive the driving chain 33 to rotate in sequence, so that lifting of the conveying unit 2 is achieved. In order to accurately reach the specified position, the lift motor 31 may employ a servo motor.

Referring to fig. 3, the elevator is further provided with a conveying unit positioning mechanism 4, and the conveying unit positioning mechanism 4 is used for positioning after the conveying unit moves to a designated position, so as to ensure the accuracy of positioning and the stability during working. If the conveying unit positioning mechanism can adopt the form of a bolt and a positioning hole 42, if the bolt can be controlled by a positioning cylinder 41, the positioning cylinder 41 and the positioning hole 42 are respectively arranged on the conveying unit 2 and the gantry framework 1, and after the conveying unit 2 moves to a specified position, the bolt at the end part of a piston rod of the positioning cylinder 41 is inserted into the positioning hole 42, so that the positioning accuracy is ensured, and the bolt can be arranged in a guide seat in a penetrating way. By positioning the conveying unit positioning mechanism 4, accurate positioning can be achieved.

In order to save labor of the whole power unit and without a particularly large power motor, the elevator can be further provided with a counterweight unit 5, and the counterweight unit 5 and the conveying unit 2 can be used for counterweight, specifically, the following forms can be adopted: the counterweight unit adopts a counterweight 51, the counterweight 51 and the conveying unit are respectively arranged at two sides of the main framework, and the counterweight 51 slides up and down along the gantry framework 1 along with the lifting of the conveying unit 2. More specifically, referring to fig. 2, a gantry frame 1 is provided with a guide groove, a counterweight 41 is placed in a counterweight box, and two sides of the counterweight box are provided with auxiliary wheels matched with the guide groove.

Further, the counterweight unit further comprises an auxiliary chain 52, and the auxiliary chain 52 is parallel to the driving chain 33 in parallel and fixedly connected with the conveying unit 2 and the counterweight 51, i.e. the counterweight unit 5 and the conveying unit 2 are connected by the auxiliary chain 52.

Referring to fig. 2, the elevator further comprises a maintenance guard unit 6, the maintenance guard unit 6 being used to fix the transport unit 2 from lowering during maintenance. For example, this can be achieved in the following manner: the maintenance protection unit 6 includes a substitution sheep 61 for preventing the conveying unit 2 in the lifted state from descending and a safety latch 62 for preventing the conveying unit 2 in the non-lifted state from ascending, specifically, the substitution sheep 61 is in a latch-like structure, when the maintenance is required, the substitution sheep 61 is inserted into the frame of the conveying unit 2 to prevent the conveying unit 2 from descending when the conveying unit 2 is in the lifted state, and the safety latch is inserted into the path of the balancing weight 51 to prevent the balancing weight 51 from descending, such as a guide slot, when the conveying unit 2 is in the non-lifted state, thereby ensuring maintenance safety. In addition, it will be appreciated that the lifter may be provided with a positioning sensor, a proximity switch, etc. and linked with the controller as required to ensure the accuracy and continuity of its operation, when the maintenance protection unit 6 is activated, i.e. when the replacement sheep 61 and the safety latch 62 are activated, the proximity switch signal corresponding to the side is lost, and at this time the lifter cannot be manually operated and controlled to ensure the safety of the maintenance personnel.

Further, referring to fig. 4 and 5, the elevator further comprises an emergency braking unit 7, the emergency braking unit 7 being adapted to emergency braking in case of breakage of the drive chain, avoiding that the conveyor unit 2 continues to drop. The method can be realized in the following form: the emergency braking unit 7 comprises an anti-falling rack 71 positioned on the gantry framework 1, a braking block 72 positioned on the conveying unit 2 and a spring 73, wherein the braking block 72 is positioned on a connecting point of the auxiliary chain 52 and the conveying unit 2, a clamping tongue is arranged on one side of the auxiliary chain facing the anti-falling rack 71, when the driving chain 33 works normally, the spring 73 cannot push the braking block 72 due to the fact that the auxiliary chain is tight, the clamping tongue cannot contact with the anti-falling rack 71 upwards, when the driving chain 33 breaks, the spring 73 can push the braking block 72, the clamping tongue is clamped in the anti-falling rack 71 at the lower end, and the conveying unit 2 does not continuously fall down, so that the safety of the whole equipment is protected.

The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.

Claims (10)

1. The gantry lifter is characterized by at least comprising a gantry framework (1), a conveying unit (2) and a power unit (3);

the power unit (3) at least comprises a lifting motor (31), a bearing (32) and a driving chain (33), wherein the driving chain (33) is wound on the gantry framework (1) through the bearing (32), the lifting motor (31) drives the driving chain (33) to rotate through a gear, and the conveying unit (2) is arranged on the driving chain (33) and rotates along with the driving chain to realize lifting;

the conveying units (2) are at least one layer, each layer of conveying unit (2) at least comprises a conveying line body (21) and a transverse moving line body (22), and the directions of the conveying line body (21) and the transverse moving line body (22) for conveying the module tray are horizontal and perpendicular to each other; the transverse moving line body (22) is arranged inside the conveying line body (21) through a jacking mechanism (23), when the conveying line body (21) works, the transverse moving line body (22) is not contacted with the module tray, when the transverse moving line body (22) works, the jacking mechanism (23) jacks up the transverse moving line body (22), the transverse moving line body (22) jacks up the module tray at the same time, and the conveying line body (21) is not contacted with the module tray.

2. Gantry crane according to claim 1, characterized in that the conveyor unit (2) further comprises a backstop (24) for preventing backflow of module trays without affecting the normal inflow of module trays onto the conveyor unit (2) and/or a pneumatic stop switch (25) for stopping the inflow of module trays.

3. Gantry lift according to claim 1 or 2, characterized in that the transport unit (2) further comprises a proximity switch (26) for detecting the in-place and out-of-place of the modular tray; and/or a diffuse reflection switch (27) for detecting whether the module tray flows out; and/or an auxiliary roller (28) for assisting in the inflow and outflow of the module tray.

4. Gantry crane according to claim 1, further comprising a transport unit positioning mechanism (4), the transport unit positioning mechanism (4) being used for positioning after the transport unit (2) has been moved to a specified position; and/or the conveying unit positioning mechanism (4) at least comprises a positioning cylinder (41) and a positioning hole (42), and when the conveying unit (2) moves to a specified position, a bolt at the end part of a piston rod of the positioning cylinder (41) is inserted into the positioning hole (42).

5. Gantry crane according to claim 1, characterized in that it further comprises a counterweight unit (5), the counterweight unit (5) being for the counterweight of the conveying unit (2); and/or the counterweight unit at least comprises a counterweight (51), and the counterweight (51) can slide up and down along the gantry framework (1) along with the lifting of the conveying unit (2).

6. Gantry crane according to claim 5, characterized in that the counterweight unit further comprises an auxiliary chain (52), which auxiliary chain (52) is parallel to the drive chain (33) and fixedly connected to the conveyor unit (2) and the counterweight (51).

7. Gantry crane according to claim 6, characterized in that it also comprises an emergency braking unit (7) for emergency braking in case of breakage of the drive chain, avoiding continued falling of the conveyor unit (2).

8. Gantry crane according to claim 7, characterized in that the emergency braking unit (7) comprises at least a fall prevention rack (71) on the gantry frame (1) and a brake block (72) and a spring (73) on the conveying unit (2), wherein one end of the brake block (72) is connected with the conveying unit (2) and the other end is connected with the auxiliary chain (52), and when the drive chain (33) breaks, the spring (73) pushes the brake block (72) to be clamped on the fall prevention rack (71) to prevent the conveying unit (2) from falling continuously.

9. Gantry crane according to claim 1, further comprising a maintenance protection unit (6), the maintenance protection unit (6) being adapted to fix the transport unit (2) against lowering during maintenance.

10. Gantry crane according to claim 9, characterized in that the maintenance protection unit (6) comprises at least a crime prevention (61) for preventing the lowering of the transport unit (2) in the lifted state and a safety latch (62) for preventing the lifting of the transport unit (2) in the non-lifted state.