CN115849159A

CN115849159A - Bridge type high-stability crane

Info

Publication number: CN115849159A
Application number: CN202211257595.XA
Authority: CN
Inventors: 刘长生; 朱瑸; 刘亮; 熊伟; 王珊; 黄宇; 张睿; 周军华
Original assignee: Jiangxi Cranes Machinery General Factory Co ltd
Current assignee: Jiangxi Cranes Machinery General Factory Co ltd
Priority date: 2022-10-14
Filing date: 2022-10-14
Publication date: 2023-03-28

Abstract

The invention relates to a crane, in particular to a bridge type high-stability crane. The invention provides a bridge type high-stability crane capable of stably hoisting objects. The utility model provides a bridge type high stability hoist, is including crossbeam, rolling ware and area hook stay cord, and the slidingtype is connected with the rolling ware on the crossbeam, is connected with the area hook stay cord that is used for hoisting the object on the rolling ware. Through using the motor as drive power, can make two rotating turret downwardly rotating no longer promote and press from both sides tight frame, under torsion spring's effect for press from both sides tight frame downwardly rotating and will be carried by the tensile object of hanging up of area hook, with this effect that reaches fixed object, avoid the in-process of object motion to drop from taking the hook to stretch, guaranteed the safety of object, let the object can be safe and firm be hung up and remove.

Description

Bridge type high-stability crane

Technical Field

The invention relates to a crane, in particular to a bridge type high-stability crane.

Background

The bridge crane is hoisting equipment transversely erected above workshops, warehouses and material yards, and is used for hoisting materials.

According to patent grant publication number CN112978573B, the bridge crane damping device comprises a crane, wherein the crane comprises a walking end beam, a damping bin, a main beam, a crane truck and the like; the walking end beams are arranged to be two, the two walking end beams are arranged on the two tracks respectively, the damping bins are arranged to be two, the lower sides of the two damping bins are fixedly connected to the upper sides of the two walking end beams respectively, the two ends of the main beam are arranged above the two damping bins respectively, and the crane car is arranged on the upper side of the main beam.

Although the device can lift the goods by controlling the crane truck, the downward movement speed of the hydraulic plug is gradually reduced from high speed, and the damping and buffering functions of the main beam are realized, the device does not have the function of fixing objects and can only hook the objects through the hooks, and the fixing mode is unsafe and easy to swing in the process of moving the objects or the hooks, so that the objects fall off.

In order to solve the problems in the prior art, it is necessary to design a bridge type high-stability crane capable of stably lifting objects, so as to stably lift the objects.

Disclosure of Invention

The invention aims to overcome the defect that the conventional crane does not have the function of fixing objects, and the technical problem to be solved by the invention is to provide a bridge type high-stability crane capable of stably hoisting objects.

In order to solve the technical problem, the invention provides a bridge type high-stability crane which comprises a cross beam, a winder and a rope with a hook, wherein the cross beam is connected with the winder in a sliding mode, the winder is connected with the rope with the hook for hoisting an object, the bridge type high-stability crane also comprises a limiting mechanism, a clamping mechanism and an opening mechanism, the cross beam is provided with the limiting mechanism for limiting the rope with the hook, the limiting mechanism is provided with the clamping mechanism for fixing the object, and the limiting mechanism is provided with the opening mechanism.

Preferably, the limiting mechanism comprises guide blocks, a limiting track and a sliding block, the guide blocks are connected to two sides of the lower portion of the cross beam, the limiting track used for limiting the sliding block is connected between the two guide blocks in a sliding mode, the sliding block is connected to the limiting track in a sliding mode, and the pull rope with the hook penetrates through the sliding block in a sliding mode.

Preferably, the clamping mechanism comprises a fixing plate, a clamping frame and a torsion spring, the fixing plate is connected to the lower portion of the sliding block, the clamping frame used for clamping the object is rotatably connected to two sides of the fixing plate, and the torsion spring is connected between the clamping frame and the fixing plate.

Preferably, the opening mechanism is including the retainer plate, including a motor, an end cap, a controller, and a cover plate, the belt pulley, flat belt, pivot and rotating turret, the both sides of slider lower part all are connected with the retainer plate, install the motor on the retainer plate, the motor is located the downside of fixed plate, one side of fixed plate is rotated and is connected with two pivots, all be connected with the belt pulley on the output shaft of motor and the pivot, it has flat belt to lie in around on two belt pulleys with one side, the one end that the fixed plate was kept away from in the pivot is connected with the rotating turret that is used for upwards promoting the clamping frame, the rotating turret contacts with the clamping frame.

Preferably, still including screens mechanism, screens mechanism is including the dead lever, the screens pole, link and electronic slide rail, restriction orbital both sides all are connected with the dead lever evenly at interval, the gliding formula is run through and is used for the spacing screens pole to the slider on the dead lever, two electronic slide rails are all installed to restriction orbital both sides, the screens pole is located between two electronic slide rails with one side, be located and be connected with the link between the slider of two electronic slide rails with one side, the link runs through and is located the screens pole with one side.

Preferably, still including buffer gear, buffer gear is including the inflater, reset spring, the hose, the gasbag, first solenoid valve and second solenoid valve, the inflater is all installed to the top both sides of fixed plate, be connected with reset spring between the piston rod of inflater and the shell of inflater, one side that two clamping frame are close to each other all is connected with the gasbag that is used for protecting the object, be connected with the hose between the gas outlet of inflater and the gasbag, be connected with first solenoid valve on the hose, one side that the inflater is close to the hose is connected with the second solenoid valve.

Preferably, still including pulling mechanism, pulling mechanism is including connecting stay cord, leading wheel and support, and the both sides at fixed plate top all are connected with the support, and two supports all are located between the inboard of two inflaters, and the equal rotary type in one side upper portion that two supports kept away from each other is connected with the leading wheel, is connected with the connection stay cord that is used for outwards pulling the piston rod of inflater between the piston rod of clamping frame and inflater, connects the stay cord and walks around the leading wheel.

Preferably, the device also comprises moving wheels, and the moving wheels are rotationally connected to both sides of the cross beam at uniform intervals.

The invention has the following beneficial effects: 1. through using the motor as drive power, can make two rotating turret downwardly rotating no longer promote and press from both sides tight frame, under torsion spring's effect for press from both sides tight frame downwardly rotating and will be carried by the tensile object of hanging up of area hook, with this effect that reaches fixed object, avoid the in-process of object motion to drop from taking the hook to stretch, guaranteed the safety of object, let the object can be safe and firm be hung up and remove.

2. Under the cooperation through restriction track and slider, reach and carry out spacing effect to the area hook stay cord, effectively avoid the in-process that the area hook stay cord removed to rock, stability when having guaranteed this hoist and having hoisted the object.

3. Through under the effect at the screens pole, the screens pole that makes to be located the slider left and right sides can carry on spacingly to the slider, avoids taking place the displacement about the slider and leads to taking the hook stay cord and the object swings to this stability when further having improved this hoist and having hoisted the object.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a partial perspective view of the present invention.

FIG. 3 is a perspective view of the limiting mechanism of the present invention.

Fig. 4 is a schematic perspective view of a first clamping mechanism of the present invention.

Fig. 5 is a schematic perspective view of a second clamping mechanism of the present invention.

Fig. 6 is a schematic perspective view of the locking mechanism of the present invention.

Fig. 7 is an enlarged view of a portion a of the present invention.

Fig. 8 is an enlarged view of a portion of the detent mechanism of the present invention.

Fig. 9 is a perspective view of the opening mechanism of the present invention.

Fig. 10 is an enlarged view of a portion of the opening mechanism of the present invention.

Fig. 11 is a schematic perspective view of the pulling mechanism of the present invention.

Fig. 12 is an enlarged view of a portion of the pulling mechanism of the present invention.

Fig. 13 is a schematic perspective view of a buffering mechanism according to the present invention.

Fig. 14 is an enlarged view of part B of the present invention.

The labels in the figures are: 1-beam, 2-moving wheel, 3-winder, 4-hooked pull rope, 5-limiting mechanism, 51-guide block, 52-limiting track, 53-slide block, 6-clamping mechanism, 61-fixing plate, 62-clamping frame, 63-torsion spring, 7-clamping mechanism, 71-fixing rod, 72-clamping rod, 74-connecting frame, 75-electric slide rail, 8-opening mechanism, 81-fixing ring, 82-motor, 83-belt pulley, 84-flat belt, 85-rotating shaft, 86-rotating frame, 9-pulling mechanism, 91-connecting pull rope, 92-guide wheel, 93-bracket, 10-buffer mechanism, 101-inflator, 102-return spring, 103-hose, 104-air bag, 105-first electromagnetic valve, 106-second electromagnetic valve.

Detailed Description

The invention is further described below with reference to the figures and examples.

Example 1

A bridge type high-stability crane is provided, please look over fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 9 and fig. 10, and comprises a cross beam 1, a winder 3, a hook pull rope 4, a limiting mechanism 5, a clamping mechanism 6 and an opening mechanism 8, wherein the cross beam 1 is connected with the winder 3 in a sliding manner, the winder 3 is connected with the hook pull rope 4, the cross beam 1 is provided with the limiting mechanism 5, the limiting mechanism 5 is provided with the clamping mechanism 6, and the limiting mechanism 5 is provided with the opening mechanism 8.

Please look at fig. 1, further comprising moving wheels 2, wherein the moving wheels 2 are rotatably connected to both sides of the beam 1 at regular intervals.

Referring to fig. 1 and 3, the limiting mechanism 5 includes a guide block 51, a limiting rail 52 and a sliding block 53, the guide block 51 is bolted to both sides of the lower portion of the beam 1, the limiting rail 52 is slidably connected between the two guide blocks 51, the sliding block 53 is slidably connected to the limiting rail 52, and the rope 4 with a hook slidably penetrates through the sliding block 53.

Referring to fig. 1, 4 and 5, the clamping mechanism 6 includes a fixing plate 61, a clamping frame 62 and a torsion spring 63, the fixing plate 61 is connected to the lower portion of the slider 53, the clamping frame 62 is rotatably connected to both the front and rear sides of the fixing plate 61, and the torsion spring 63 is connected between the clamping frame 62 and the fixing plate 61.

Referring to fig. 1, 9 and 10, the opening mechanism 8 includes a fixing ring 81, a motor 82, a belt pulley 83, a flat belt 84, a rotating shaft 85 and a rotating frame 86, the fixing ring 81 is connected to both the front and rear sides of the lower portion of the slider 53, the motor 82 is installed on the fixing ring 81, the motor 82 is located on the lower side of the fixing plate 61, the rotating shaft 85 is rotationally connected to the left side of the fixing plate 61 in a front-back symmetrical manner, the belt pulleys 83 are connected to the output shaft of the motor 82 and the rotating shaft 85, the flat belt 84 is wound around the two belt pulleys 83 located on the same side, the rotating frame 86 is connected to one end of the rotating shaft 85 far away from the fixing plate 61, and the rotating frame 86 is in contact with the clamping frame 62.

When the crane is used, the crossbeam 1 is firstly installed on a guide rail at a designated position, the moving wheel 2 is positioned in the guide rail, then the winder 3 is moved leftwards and rightwards when an article needs to be lifted, the winder 3 drives the hooked pull rope 4, the sliding block 53 and the clamping mechanism 6 to move leftwards and rightwards, the winder 3 is stopped to move after the hooked pull rope 4 moves leftwards and rightwards and is aligned with an object below, then the winder 3 is controlled to pay off, the winder 3 then puts the hooked pull rope 4 downwards, after the hooked pull rope 4 moves to be contacted with the object, the winder 3 is closed, a worker below hooks the hooked pull rope 4 with a hook, then the winder 3 is controlled to take up, the hooked pull rope 4 is then taken up by the winder 3, the object is lifted by the hooked pull rope 4, the two motors 82 are simultaneously started, output shafts of the two motors 82 then drive the rotating shaft 85 to rotate through the belt pulley 83 and the flat belt 84, the two rotating shafts 85 respectively drive the adjacent rotating frames 86 to rotate upwards, the two rotating frames 86 push the clamping frames 62 upwards in the process of rotating upwards to enable the two clamping frames 62 to rotate upwards to be opened, the torsion spring 63 deforms, the motor 82 is turned off after the two clamping frames 62 rotate upwards to be opened, then the winder 3 is turned off after the hooked pull rope 4 moves upwards to reset, at the moment, the object is positioned between the two clamping frames 62, then the output shafts of the two motors 82 rotate reversely, the output shafts of the two motors 82 drive the rotating shafts 85 to rotate reversely through the belt pulley 83 and the flat belt 84, the rotating shafts 85 drive the rotating frames 86 to rotate reversely after rotating reversely, and therefore the two rotating frames 86 do not push the adjacent clamping frames 62 any more after rotating reversely, the torsion spring 63 resets and drives the two clamping frames 62 to rotate reversely to close and clamp the object, treat that two clamping frame 62 counter-rotation close the back, close motor 82 can, later remove crossbeam 1 again, make this hoist drive the body move to suitable position can, at the in-process of moving the object, slider 53 can be spacing to taking the hook stay cord 4, prevent to take the hook stay cord 4 to swing, simultaneously under the effect of clamping frame 62, can let taking hook stay cord 4 firm hook the object, avoid the object to drop from taking hook stay cord 4, the stability of this hoist has effectively been improved, treat that the object is moved to the assigned position after, stop moving this hoist, use motor 82 as power, let clamping frame 62 rotate to open and loosen the object, then take off the object from taking hook stay cord 4, use motor 82 as power again at last, let clamping frame 62 counter-rotation close can, can use this hoist through above-mentioned operation with this.

Example 2

On the basis of embodiment 1, please look at fig. 1, fig. 6, fig. 7, and fig. 8, and further include a clamping mechanism 7, where the clamping mechanism 7 includes a fixing rod 71, a clamping rod 72, a connecting frame 74, and electric slide rails 75, the fixing rod 71 is connected to both front and rear sides of the limiting rail 52 at regular intervals, the clamping rod 72 slidably penetrates through the fixing rod 71, the electric slide rails 75 are installed on both front and rear sides of the limiting rail 52 in a bilateral symmetry manner, the connecting frame 74 is connected between the sliding members of the two electric slide rails 75 located on the same side, and the connecting frame 74 penetrates through the clamping rod 72 located on the same side.

When the sliding block 53 needs to be moved left and right, the sliding part of the front electric sliding rail 75 is controlled to move forward, the sliding part of the rear electric sliding rail 75 moves backward, so that the electric sliding rails 75 on the front side and the rear side can control the two connecting frames 74 to move in the direction away from each other through the sliding part, so that the clamping rods 72 on the front side and the rear side can move in the direction away from each other, so that the sliding block 53 is not blocked by the clamping rods 72 on the front side and the rear side, after the clamping rods 72 on the front side and the rear side move to the proper positions in the direction away from each other, the electric sliding rail 75 is closed, the winder 3 is moved left and right, the winder 3 drives the hooked pull rope 4, the sliding block 53 and the clamping mechanism 6 to move left and right, after the hooked pull rope 4 moves left and right to align with an object below, the winder 3 is stopped, the sliding part of the front electric sliding rail 75 is controlled to move backward, the sliding part of the rear electric sliding rail 75 moves forward, so that the electric sliding rails 75 on the front side and the rear side can control the two connecting frames 74 to move in the direction close to each other through the sliding block 72, and the sliding block 53 can be further, and the sliding block 53 can be prevented from being blocked after the sliding block 72 moves.

Example 3

On the basis of embodiment 2, please look at fig. 1, 11, 12, 13 and 14, the air pump further includes a buffering mechanism 10, the buffering mechanism 10 includes an air pump 101, a return spring 102, a hose 103, an air bag 104, a first electromagnetic valve 105 and a second electromagnetic valve 106, the air pump 101 is installed on both sides of the top of the fixing plate 61, the return spring 102 is connected between the piston rod of the air pump 101 and the housing of the air pump 101, the air bag 104 is connected on the side of the two clamping frames 62 close to each other, the hose 103 is connected between the air outlet of the air pump 101 and the air bag 104, the first electromagnetic valve 105 is connected to the hose 103, and the second electromagnetic valve 106 is connected on the side of the air pump 101 close to the hose 103.

Referring to fig. 1, 11, 12 and 13, the inflator further includes a pulling mechanism 9, the pulling mechanism 9 includes a connection rope 91, a guide wheel 92 and a bracket 93, the brackets 93 are bolted to both sides of the top of the fixing plate 61, the two brackets 93 are located between the inner sides of the two inflators 101, the guide wheel 92 is rotatably connected to the upper portion of the side of each bracket 93 away from the other, the connection rope 91 is connected between the clamping frame 62 and the piston rod of the inflator 101, and the connection rope 91 bypasses the guide wheel 92.

Initially, the connecting pull rope 91 pulls the piston rod of the pump 101, so that the return spring 102 is continuously in a stretched state, when the clamping frame 62 rotates upwards and is opened, the first electromagnetic valve 105 is opened, and at the same time, the clamping frame 62 drives the airbag 104 to rotate together, and at the same time, the clamping frame 62 loosens the connecting pull rope 91, so that the return spring 102 resets and drives the piston rod of the pump 101 to move and retract towards the pump 101, so that the pump 101 inflates the airbag 104 by inflating the airbag 104 through the hose 103 and the first electromagnetic valve 105, when the clamping frame 62 rotates reversely and is closed, the second electromagnetic valve 106 is opened and the first electromagnetic valve 105 is closed, at this time, external gas can freely enter and exit the pump 101, and the gas in the airbag 104 cannot flow out, and simultaneously, the clamping frame 62 rotates reversely and drives the airbag 104 to rotate together, the clamping frame 62 pulls the piston rod of the inflator 101 away from the inflator 101 through the connecting pull rope 91, the return spring 102 stretches, then the air bag 104 contacts and clamps the object in the process of continuously rotating downwards, under the action of the air bag 104, the air bag 104 can play a role in buffering, in the process of subsequent movement of the object, the air bag 104 can buffer vibration or shake generated during movement, the effect of stabilizing the object is achieved, when the air in the air bag 104 needs to be pumped out, after the clamping frame 62 rotates upwards and is opened, the piston rod of the inflator 101 moves towards the direction close to the inflator 101, so that the air in the inflator 101 is discharged through the second electromagnetic valve 106, after the clamping frame 62 rotates reversely and is closed, the second electromagnetic valve 106 is closed, the first electromagnetic valve 105 is opened, and after the clamping frame 62 rotates reversely, the piston rod of the inflator 101 moves towards the direction away from the inflator 101, therefore, the air pump 101 will pump the air in the air bag 104 through the hose 103 and the first solenoid valve 105, and after the air is completely pumped out, the first solenoid valve 105 is closed, so as to pump the air in the air bag 104.

The above-mentioned embodiments only express the preferred embodiments of the present invention, and the description thereof is specific and detailed, but not to be understood as the limitation of the scope of the present invention. It should be noted that, for those skilled in the art, various changes, modifications and substitutions can be made without departing from the spirit of the present invention, and these are all within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. The utility model provides a bridge type high stability hoist, including crossbeam (1), winder (3) and area hook stay cord (4), sliding connection has winder (3) on crossbeam (1), be connected with area hook stay cord (4) that are used for hoisting the object on winder (3), a serial communication port, still including limiting mechanism (5), clamping mechanism (6) and opening mechanism (8), be equipped with on crossbeam (1) and be used for carrying out spacing limiting mechanism (5) to area hook stay cord (4), be equipped with clamping mechanism (6) that are used for fixed object on limiting mechanism (5), be equipped with opening mechanism (8) on limiting mechanism (5).

2. A bridge crane with high stability as claimed in claim 1, wherein the limiting mechanism (5) comprises a guide block (51), a limiting rail (52) and a sliding block (53), the guide block (51) is connected to both sides of the lower portion of the cross beam (1), the limiting rail (52) for limiting the sliding block (53) is slidably connected between the two guide blocks (51), the sliding block (53) is slidably connected to the limiting rail (52), and the rope (4) with the hook slidably penetrates through the sliding block (53).

3. A bridge crane with high stability as claimed in claim 2, wherein the clamping mechanism (6) comprises a fixed plate (61), a clamping frame (62) and a torsion spring (63), the fixed plate (61) is connected to the lower portion of the slide block (53), the clamping frame (62) for clamping the object is rotatably connected to both sides of the fixed plate (61), and the torsion spring (63) is connected between the clamping frame (62) and the fixed plate (61).

4. A bridge type high stability crane according to claim 3, wherein the opening mechanism (8) comprises a fixed ring (81), a motor (82), a belt pulley (83), a flat belt (84), a rotating shaft (85) and a rotating frame (86), the fixed ring (81) is connected to both sides of the lower portion of the sliding block (53), the motor (82) is installed on the fixed ring (81), the motor (82) is located on the lower side of the fixed plate (61), two rotating shafts (85) are rotatably connected to one side of the fixed plate (61), the belt pulleys (83) are connected to the output shaft of the motor (82) and the rotating shaft (85), the flat belt (84) is wound on the two belt pulleys (83) located on the same side, one end of the rotating shaft (85) far away from the fixed plate (61) is connected with the rotating frame (86) for pushing the clamping frame (62) upwards, and the rotating frame (86) is in contact with the clamping frame (62).

5. The bridge type high-stability crane according to claim 4, further comprising a clamping mechanism (7), wherein the clamping mechanism (7) comprises a fixing rod (71), a clamping rod (72), a connecting frame (74) and electric sliding rails (75), the fixing rod (71) is connected to both sides of the limiting rail (52) at regular intervals, the clamping rod (72) used for limiting the sliding block (53) slidably penetrates through the fixing rod (71), the two electric sliding rails (75) are installed on both sides of the limiting rail (52), the clamping rod (72) is located between the two electric sliding rails (75) on the same side, the connecting frame (74) is connected between the sliding parts of the two electric sliding rails (75) on the same side, and the connecting frame (74) penetrates through the clamping rod (72) on the same side.

6. The bridge type high-stability crane according to claim 5, further comprising a buffering mechanism (10), wherein the buffering mechanism (10) comprises an inflator (101), a return spring (102), a hose (103), an air bag (104), a first electromagnetic valve (105) and a second electromagnetic valve (106), inflators (101) are installed on two sides of the top of the fixing plate (61), the return spring (102) is connected between a piston rod of the inflator (101) and a shell of the inflator (101), the air bag (104) used for protecting objects is connected to one side, close to each other, of the two clamping frames (62), the hose (103) is connected between an air outlet of the inflator (101) and the air bag (104), the first electromagnetic valve (105) is connected to the hose (103), and the second electromagnetic valve (106) is connected to one side, close to the hose (103), of the inflator (101).

7. A bridge type high stability crane according to claim 6, further comprising a pulling mechanism (9), wherein the pulling mechanism (9) comprises a connecting pull rope (91), a guide wheel (92) and a support (93), the supports (93) are connected to two sides of the top of the fixing plate (61), the two supports (93) are located between the inner sides of the two inflators (101), the guide wheel (92) is rotatably connected to the upper portion of one side of the two supports (93) far away from each other, the connecting pull rope (91) for pulling the piston rod of the inflator (101) outwards is connected between the clamping frame (62) and the piston rod of the inflator (101), and the connecting pull rope (91) bypasses the guide wheel (92).

8. A bridge crane with high stability according to claim 7, further comprising moving wheels (2), wherein the moving wheels (2) are rotatably connected to both sides of the beam (1) at regular intervals.