Hook bridge crane

Abstract

The utility model relates to the technical field of bridge cranes, in particular to a lifting hook bridge crane which comprises a bridge type supporting frame, the top of the bridge type supporting frame is fixedly connected with a regulation and control box, the surface of the inner wall of the regulation and control box is fixedly provided with a driving motor through a support, and the output end of the driving motor is fixedly connected with a supporting screw rod. The surface of the supporting screw rod is in threaded connection with a threaded sleeve plate, the top of the threaded sleeve plate is connected with a limiting assembly, and a lifting adjusting frame is fixedly installed at the bottom of the threaded sleeve plate. And the emergency stopping of the goods can be carried out in the emergency stopping frame, so that the safety degree is improved, and the effects of multi-point synchronous balancing and restraining of the goods and emergency stopping of the crane are achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a hook bridge crane belongs to bridge crane technical field. BACKGROUND

[0002] The bridge crane is the hoisting equipment of material hoisting above workshop, warehouse and material field, because its both ends are located on tall cement column or metal support, shape is similar to bridge, the bridge of bridge crane runs along the track on the both sides of the elevated longitudinal, can make full use of the space under the bridge to hoist material, is not hindered by ground equipment, it is the most widely used, the most numerous hoisting machinery;

[0003] Such as patent number for CN202320400345.0 a hook bridge crane, including bottom support, the top of bottom support is provided with the bearing bottom platform, the upper surface of bearing bottom platform is provided with the stand, the top of stand is provided with crossbeam, the inner wall of crossbeam is provided with guide rail, the outer surface of guide rail is connected with the lifting trolley of sliding,

[0004] Because the above-mentioned hook bridge crane moves through driving hook, but the size of goods that can be adapted by the hook in each direction is limited, it is inconvenient to pull and move the longer and heavier goods, and if the goods are heavier, there may be a dangerous situation of emergency falling, which brings certain adverse effects to the actual use, so it needs to be improved. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of hook bridge crane, the utility model is moved by setting drive end to carry out linkage control four places hanging hook, it can be adapted to different size specifications of goods hanging stable moving, and emergency stop frame inside can carry out the emergency stop of goods to improve safety degree, to solve the problems in the above background technology.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] The utility model relates to a kind of hook bridge cranes, including bridge support frame, the top of the bridge support frame is fixedly connected with control box, the surface of the inner wall of the control box is fixedly installed with drive motor by support, the output of the drive motor is fixedly connected with support screw rod, the surface of the support screw rod is threadedly connected with threaded sleeve plate, the top of the threaded sleeve plate is connected with limiting assembly, the bottom of the threaded sleeve plate is fixedly installed with lifting adjustment frame, the support frame of the control box is fixedly connected with the bottom of its inner wall and is equipped with moving groove, and the top of support frame and the bottom of lifting adjustment frame are slidably connected, the inner wall of the lifting adjustment frame is fixedly installed with servo motor, the output of the servo motor is fixedly connected with driving gear, the top of the inner wall of the lifting adjustment frame is rotatably connected with rotating main rod by support with bearing, the surface of rotating main rod is fixedly connected with driven gear near the middle portion, the surface of driven gear and the surface of driving gear are meshedly connected, one end of rotating main rod is connected with reversing assembly, the surface of the inner wall of the lifting adjustment frame is rotatably connected with double-end retractable frame by bearing, the surface of double-end retractable frame is woundly connected with flexible lifting rope, one end of the flexible lifting rope is fixedly installed with suspension hook, the bottom of the lifting adjustment frame is fixedly connected with emergency stop frame.

[0008] Further, the front side and the rear side of the bridge support frame are fixedly connected with the shielding plate, and the shielding plate is located at one side of the suspension hook.

[0009] Further, the limiting assembly includes a limiting plate and a limiting groove, the limiting plate is fixedly connected on the top of the threaded sleeve plate, the limiting groove is opened on the top of the inner wall of the adjusting box, and the inner wall of the limiting groove and the surface of the limiting plate are slidably connected.

[0010] Further, the limiting plate and the limiting groove are both T-shaped, the surface of the limiting plate and the surface of the limiting groove are both coated with wear-resistant coating, and the T-shaped horizontal plates of the limiting groove and the limiting plate are both located above.

[0011] Further, the reversing assembly includes a driving bevel gear and a driven bevel gear, the driving bevel gear is fixedly connected on one end of the rotating main rod, the driven bevel gear is fixedly connected on the surface of the double-end retractable frame, and the surface of the driven bevel gear and the surface of the driving bevel gear are meshedly connected.

[0012] Further, the main body of the double-end retractable frame is a rotating round rod, the two ends of the rotating round rod are fixedly connected with retractable wheel discs, and the retractable wheel discs are located at the circumferential direction of the lifting adjustment frame.

[0013] Further, the inner wall of the emergency stop frame is fixedly installed with an electric push rod, one end of the electric push rod is fixedly installed with an anti-skid stop clamp, the surface of the inner wall of the emergency stop frame is provided with a groove, and the inner wall of the groove is fixedly installed with a speed sensor.

[0014] The utility model discloses the beneficial effect is:

[0015] In the utility model, the inside of the bridge type support frame upper control box exists the hooking of suspension hook and can hang the goods in all directions, the servo motor starts and drives the driving gear to rotate, can make the driving gear rotation drive the driven gear to rotate, the driven gear rotation can drive the rotation main rod to rotate, under the reversing effect of the reversing assembly, can make the rotation main rod rotation drive the double -end retractable frame to rotate stably, can complete the rotation of four retractable wheel discs in the lifting adjustment frame, guarantee the stable cooperative lifting operation of four toughness hanging ropes, avoid the situation that appears in the process of lifting goods and is loose, the driving motor operation can drive the support screw rod to rotate, under the limiting setting of the limiting plate and the limiting groove, the movement track of the screw sleeve plate is limited, makes the support screw rod rotation drive the screw sleeve plate to move stably, completes the position change of the article and slowly pulls the displacement, realizes the crane can play the effect of multi -point synchronous balance constraint goods effect;

[0016] In the utility model, the inside of the emergency stop frame speed sensor can be inducted under the induction of the falling speed of toughness hanging rope, avoid the dangerous degree caused by the falling speed being too fast, namely the operation electric push rod starts and drives the anti -skid stop clamping plate to move, the clamping anti -skid effect of the intermediate toughness hanging rope, can realize the protection effect of the emergency stop frame to the hoisted goods under the unexpected situation, realizes the emergency stop effect of the crane. BRIEF DESCRIPTION OF DRAWINGS

[0017] The drawings are used to provide further understanding of the utility model, and constitute a part of the specification, and are used to explain the utility model together with the specific embodiment of the utility model, and do not constitute the limitation to the utility model.

[0018] Figure 1 It is the overall structure schematic diagram of the utility model of a hook bridge crane;

[0019] Figure 2 It is the front view cross section view of the utility model of a hook bridge crane control box;

[0020] Figure 3 It is the bottom view of the utility model of a hook bridge crane control box;

[0021] Figure 4 It is the front view cross section view of the utility model of a hook bridge crane emergency stop frame;

[0022] Figure 5 It is the utility model of a hook bridge crane A place enlarged view;

[0023] The figure mark: 1, bridge type support frame; 2, control box; 3, drive motor; 4, support screw; 5, threaded sleeve plate; 6, lifting adjustment frame; 7, support frame; 8, servo motor; 9, driving gear; 10, rotating main rod; 11, driven gear; 12, double-end retractable frame; 13, flexible lifting rope; 14, hanging hook; 15, emergency stop frame; 16, shielding plate; 17, limiting plate; 18, limiting groove; 19, driving bevel gear; 20, driven bevel gear; 21, electric push rod; 22, anti-skid stop clamp plate; 23, speed sensor. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0025] Embodiment 1 please refer to Figures 1-5 The utility model provides a technical scheme:

[0026] A hook bridge crane, including bridge type support frame 1, the top of bridge type support frame 1 is fixedly connected with control box 2, the surface of the inner wall of control box 2 is fixedly installed with drive motor 3 by support, the output of drive motor 3 is fixedly connected with support screw 4, the surface of support screw 4 is threadedly connected with threaded sleeve plate 5, the top of threaded sleeve plate 5 is connected with limiting assembly, the bottom of threaded sleeve plate 5 is fixedly installed with lifting adjustment frame 6, the bottom of the inner wall of control box 2 is fixedly connected with support frame 7 that is equipped with moving groove, and the top of support frame 7 and the bottom of lifting adjustment frame 6 are slidably connected, the inner wall of lifting adjustment frame 6 is fixedly installed with servo motor 8, the output of servo motor 8 is fixedly connected with driving gear 9, the top of the inner wall of lifting adjustment frame 6 is rotatably connected with rotating main rod 10 by the support with bearing, the surface of rotating main rod 10 near the middle part is fixedly connected with driven gear 11, the surface of driven gear 11 and the surface of driving gear 9 are meshedly connected, one end of rotating main rod 10 is connected with reversing assembly, the surface of the inner wall of lifting adjustment frame 6 is rotatably connected with double-end retractable frame 12 by bearing, the surface of double-end retractable frame 12 is woundly connected with flexible lifting rope 13, one end of flexible lifting rope 13 is fixedly installed with hanging hook 14, the bottom of lifting adjustment frame 6 is fixedly connected with emergency stop frame 15.

[0027] Specifically, as Figures 1-5As shown, the front side and the rear side of the bridge type support frame 1 are fixedly connected with the shielding plates 16, and the shielding plates 16 are located at one side of the hanging hooks 14, and under the action of the shielding plates 16, the shielding hiding of the hanging hooks 14 in the storage state can be realized.

[0028] Further, the main body of the double-end storage frame 12 is a rotating round rod, two ends of the rotating round rod are fixedly connected with the storage wheel plates, and the storage wheel plates are located at the circumferences of the lifting adjustment frames 6, and under the existence of the four circumferential rotations of the storage wheel plates, the four storage wheel plates in the lifting adjustment frames 6 can be rotated to guarantee the stable and cooperative lifting operation of the four flexible hanging ropes 13.

[0029] Specifically, as shown in Figures 1-5 As shown, the limiting assembly includes a limiting plate 17 and a limiting groove 18, the limiting plate 17 is fixedly connected on the top of the threaded sleeve plate 5, the limiting groove 18 is opened on the top of the inner wall of the adjusting box, and the inner wall of the limiting groove 18 and the surface of the limiting plate 17 are in sliding connection. The overall shape of the limiting plate 17 and the limiting groove 18 is T-shaped, the surface of the limiting plate 17 and the surface of the limiting groove 18 are coated with wear-resistant coating, and the T-shaped horizontal plates of the limiting groove 18 and the limiting plate 17 are located above. Through the limiting arrangement of the limiting plate 17 and the limiting groove 18, the movement track of the threaded sleeve plate 5 is limited, so that the rotation of the supporting screw rod 4 can drive the threaded sleeve plate 5 to move stably.

[0030] Further, the reversing assembly includes a driving bevel gear 19 and a driven bevel gear 20, the driving bevel gear 19 is fixedly connected on one end of the rotating main rod 10, the driven bevel gear 20 is fixedly connected on the surface of the double-end storage frame 12, the surface of the driven bevel gear 20 and the surface of the driving bevel gear 19 are in meshing connection, the rotation of the rotating main rod 10 can drive the driving bevel gear 19 at both ends to rotate, and the rotation of the driving bevel gear 19 can drive the driven bevel gear 20 to rotate, so that the double-end storage frame 12 can rotate stably.

[0031] Embodiment 2, please refer to Figures 1-5 The difference between this embodiment and embodiment 1 is that the inner wall of the emergency stop frame 15 is fixedly installed with an electric push rod 21, one end of the electric push rod 21 is fixedly installed with an anti-skid stop clamping plate 22, a recess is opened on the surface of the inner wall of the emergency stop frame 15, and a speed sensor 23 is fixedly installed on the inner wall of the recess. The electric push rod 21 drives the anti-skid stop clamping plate 22 to move, the clamping anti-skid effect of the middle flexible hanging rope 13 can be realized, the protection effect of the emergency stop frame 15 on the lifted goods in the unexpected situation can be realized, and the falling speed is sensed under the induction of the speed sensor 23, so as to avoid the danger caused by the too fast falling speed.

[0032] The utility model discloses a working principle: in use, bridge type support frame 1 can be used for basic positioning support, so that adjust four places' suspension hook 14 carry out four directions to the hanging of goods, after completing the determination constraint to the goods below, can change the height of goods according to need adjustment, namely operation servo motor 8 starts driving driving gear 9 and rotates, can make driving gear 9 rotation can drive driven gear 11 and rotate, driven gear 11 rotation can drive rotating main rod 10 and rotate, make rotating main rod 10 rotation can drive both ends' driving bevel gear 19 and rotate, driving bevel gear 19 rotation can drive driven bevel gear 20 and rotate, can complete double -end retractable frame 12 and rotate steadily, can complete four places' retractable wheel disc in lifting adjustment frame 6 and rotate, guarantee four places' flexibility lifting rope 13 steady cooperative lifting operation, avoid the situation that appear in the process of lifting goods and slip, driving motor 3 operation can drive support screw rod 4 and rotate, after the spacing of limiting plate 17 and limiting groove 18, the movement track of screw sleeve plate 5 is positioned, make support screw rod 4 rotation can drive screw sleeve plate 5 and move steadily, complete the horizontal direction of article and slowly pull displacement, if in the process of pulling up or lowering, the situation that appears skidding, will in the inductive falling speed of speed sensor 23 under the induction, avoid the danger degree caused by falling speed too fast, namely operation electric push rod 21 starts driving antiskid stop clamp plate 22 and moves, the clamping antiskid effect of intermediate flexibility lifting rope 13, can realize emergency stop frame 15 in the protection effect of lifting goods under unexpected circumstances, realized the effect that crane can play multiple point synchronous balance constraint goods and emergency stop.

[0033] Although the embodiments of the utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made thereto without departing from the principles and spirit of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A hook-type bridge crane, comprising a bridge support frame (1), characterized in that: A control box (2) is fixedly connected to the top of the bridge support frame (1). A drive motor (3) is fixedly installed on the inner wall of the control box (2) via a bracket. A support screw (4) is fixedly connected to the output end of the drive motor (3). A threaded sleeve plate (5) is threadedly connected to the surface of the support screw (4). A limit component is connected to the top of the threaded sleeve plate (5). A lifting adjustment frame (6) is fixedly installed at the bottom of the threaded sleeve plate (5). A support frame (7) with a moving groove is fixedly connected to the bottom of the control box (2) near its inner wall. The top of the support frame (7) and the bottom of the lifting adjustment frame (6) are slidably connected. A servo motor (8) is fixedly installed on the inner wall of the lifting adjustment frame (6). The output of the servo motor (8) is... A drive gear (9) is fixedly connected to the end of the lifting adjustment frame (6). The top of the inner wall of the lifting adjustment frame (6) is rotatably connected to a rotating main rod (10) via a bracket with bearings. A driven gear (11) is fixedly connected to the surface of the rotating main rod (10) near its middle part. The surface of the driven gear (11) meshes with the surface of the drive gear (9). One end of the rotating main rod (10) is connected to a reversing component. A double-end retraction frame (12) is rotatably connected to the surface of the inner wall of the lifting adjustment frame (6) via bearings. A tough suspension rope (13) is wound around the surface of the double-end retraction frame (12). A suspension hook (14) is fixedly installed at one end of the tough suspension rope (13). An emergency stop frame (15) is fixedly connected to the bottom of the lifting adjustment frame (6).

2. A hook-type bridge crane according to claim 1, characterized in that: The bridge support frame (1) is fixedly connected to a shield plate (16) on both the front and rear sides, and the shield plate (16) is located on one side of the suspension hook (14).

3. A hook-type bridge crane according to claim 1, characterized in that: The limiting component includes a limiting plate (17) and a limiting groove (18). The limiting plate (17) is fixedly connected to the top of the threaded sleeve plate (5). The limiting groove (18) is opened on the top of the inner wall of the regulating box. The inner wall of the limiting groove (18) and the surface of the limiting plate (17) are slidably connected.

4. A hook-type bridge crane according to claim 3, characterized in that: The overall shape of the limiting plate (17) and the limiting groove (18) is T-shaped. The surface of the limiting plate (17) and the surface of the limiting groove (18) are coated with a wear-resistant coating, and the T-shaped horizontal plate of the limiting groove (18) and the limiting plate (17) are located at the top.

5. A hook-type bridge crane according to claim 1, characterized in that: The reversing assembly includes a driving bevel gear (19) and a driven bevel gear (20). The driving bevel gear (19) is fixedly connected to one end of the rotating main rod (10), and the driven bevel gear (20) is fixedly connected to the surface of the double-ended take-up and take-down frame (12). The surface of the driven bevel gear (20) and the surface of the driving bevel gear (19) are meshed together.

6. A hook-type bridge crane according to claim 1, characterized in that: The main body of the double-ended take-up and take-down frame (12) is a rotating round rod. The two ends of the rotating round rod are fixedly connected to take-up and take-down wheels, and the take-up and take-down wheels are located around the lifting and adjusting frame (6).

7. A hook-type bridge crane according to claim 1, characterized in that: An electric push rod (21) is fixedly installed on the inner wall of the emergency stop frame (15). An anti-slip stop clamp (22) is fixedly installed at one end of the electric push rod (21). A groove is opened on the surface of the inner wall of the emergency stop frame (15). A speed sensor (23) is fixedly installed on the inner wall of the groove.

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