Portal crane protection device

Abstract

The utility model relates to a protective device for a portal crane. The protective device comprises a portal crane body, a protective unit and two extension units, the bottom end of the portal crane body is provided with two supporting legs, the two supporting legs are arranged in a spaced mode, the protection unit is arranged on the portal crane body, the bottoms of the two opposite ends of the protection unit are connected with the top ends of the two supporting legs correspondingly, the two extension units are arranged on the two opposite sides of the protection unit correspondingly, and the extension units can rotate relative to the protection unit; by means of the arrangement, the protection performance of the portal crane is improved, the safety problems that a control motor of the portal crane is affected with damp and short circuit, internal parts are rusted and insulating performance is reduced, and a brake fails or braking performance is reduced due to environmental problems are solved, and the service life of the portal crane is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to portal crane protection technical field, especially a portal crane protection device. BACKGROUND

[0002] At present, the crane refers to the multi-action hoisting machinery of vertical lifting and horizontal carrying heavy objects in a certain range, also called as the main features of the tire crane are: its traveling cab and hoisting control room are combined into one, which is evolved from the crawler crane (crawler crane), changes the crawler and walking support part of the walking mechanism into the chassis with tires, overcomes the defect that the crawler plate of the crawler crane (crawler crane) causes damage to the road surface, and belongs to the material handling machinery.

[0003] In the prior art, the inventor finds that at least the following problems exist in the prior art:

[0004] The gantry crane arranged to work outdoors, such as the construction environment is poor, and the similar construction in the area with more rain, etc., due to the influence of the environment, causes the motor to be damp and short-circuit, the internal parts to rust and the insulation performance to decrease, the brake to fail or the braking performance to decrease, etc., resulting in the service life of the crane to be reduced. UTILITY MODEL CONTENT

[0005] In view of the deficiencies in the prior art, the utility model aims at providing a portal crane protection device, which has the advantages of protecting the portal crane, avoiding the safety problems of motor damp and short-circuit, internal parts rust and insulation performance decrease, and brake failure or braking performance decrease caused by environmental problems, and prolonging the service life of the crane.

[0006] The utility model discloses the above-mentioned utility model aims at realizing through the following technical scheme: a portal crane protection device, including portal crane body, protection unit and two extension units, the bottom of the portal crane body is provided with two supporting legs, two supporting legs are arranged at intervals, the protection unit is arranged on the portal crane body, the bottom of the opposite ends of the protection unit is connected with the top of two supporting legs respectively, two extension units are arranged on the opposite sides of the protection unit respectively, and the extension unit can rotate relative to the protection unit.

[0007] Preferably, the portal crane protection device provided by the utility model, the protection unit includes a support frame, a top cover and at least one support column, the bottom of the opposite ends of the support frame is connected with the top of two supporting legs respectively, the top of the support frame is connected with the top cover through the support column, and the top cover is located directly above the portal crane body, two extension units are arranged on the opposite sides of the top cover respectively, and the extension unit can rotate relative to the top cover.

[0008] Preferably, the utility model provides a portal crane protection device, top cap is double -sided.

[0009] Preferably, the utility model provides a portal crane protection device, support frame includes horizontal board and two door type supports, horizontal board sets up between two door type supports, the opposite ends of horizontal board are connected with the lateral wall of two door type supports respectively, the top of horizontal board is connected with the bottom of support column, door type support and support leg correspond to set up, the bottom of door type support is connected with the top of support leg.

[0010] Preferably, the utility model provides a portal crane protection device, protection unit still includes two electric telescopic link, two electric telescopic link sets up at the top of two door type supports respectively, and the output of two electric telescopic link all is provided with clamping piece, the output of electric telescopic link can drive the motion of clamping piece, and clamping piece with extension unit is slidably connected.

[0011] Preferably, the utility model provides a portal crane protection device, clamping piece includes fixed block and two U type boards, and the open end of two U type boards is connected with the opposite sides of fixed block respectively, and the output of electric telescopic link is connected with the bottom of fixed block.

[0012] Preferably, the utility model provides a portal crane protection device, extension unit includes rain cloth, fixed batten, mobile batten and two slide way assemblies, two slide way assemblies are intervally set along X direction, and one end of two slide way assemblies is rotatably connected with top cap, and fixed batten and mobile batten all set up at the bottom of two slide way assemblies, and fixed batten is close to protection unit and sets up, and mobile batten sets up on the side of fixed batten away from protection unit, and mobile batten can slide along slide way assembly, and one end of rain cloth is connected with fixed batten, and the other end of rain cloth is connected with mobile batten, when mobile batten slides along slide way assembly, through the movement of mobile batten, thereby drive the unfolding and folding of rain cloth.

[0013] Preferably, the utility model provides a portal crane protection device, slide way assembly includes rotary stand, slide rail and hinged block, and hinged block sets up at the top of rotary stand, and hinged block is rotatably connected with top cap through fixed column, and slide rail sets up at the bottom of rotary stand, and one end of slide rail towards protection unit is connected with fixed batten, and the top of mobile batten is slidably connected with slide rail.

[0014] Preferably, the utility model provides a portal crane protection device, the rotating frame includes the rod body and the card column, one end of rod body is provided with the rotating groove, the other end of rod body is provided with the stop board, the card column sets up in the opening end of rotating groove, hinge block sets up in the top of rod body and is close to rotating groove setting, slide rail sets up in the bottom of rod body.

[0015] Preferably, the utility model provides a portal crane protection device, the rod body's bottom is provided with the mounting panel, the mounting panel is located the fixed baffle side away from the mobile baffle, the mounting panel side away from the fixed baffle is provided with motor, the output shaft of motor passes through the mounting panel and is connected with the one end of screw rod, the one end of screw rod away from motor is connected with the stop board rotation, the mobile baffle is connected with screw rod thread, the mobile baffle can move along screw rod, the output shaft of motor drives screw rod rotation, the mobile baffle moves on screw rod, when the mobile baffle moves, the top end of mobile baffle slides on slide rail, and the unfolding and folding of rain cloth are driven by the movement of mobile baffle.

[0016] In conclusion, the utility model has the beneficial technical effects that: the application provides a portal crane protection device, including portal crane body, protection unit and two extension units, the bottom of portal crane body is provided with two supporting legs, two supporting legs are spaced apart, protection unit is arranged on the portal crane body, the bottom of the opposite two ends of protection unit is connected with the top of two supporting legs respectively, two extension units are arranged on the opposite sides of protection unit respectively, and the extension unit can rotate relative to the protection unit, so that the protection of the portal crane is improved, the safety problems of the control motor of the portal crane caused by environmental problems, such as damp short circuit, internal part rust, insulation performance decline and brake failure or brake performance decline, are avoided, and the service life of the portal crane is prolonged. ACCURACY OF DRAWINGS

[0017] Figure 1 It is the whole structure schematic diagram of the utility model embodiment provides portal crane protection device.

[0018] Figure 2 It is the protection unit structure schematic diagram in the utility model embodiment provides portal crane protection device.

[0019] Figure 3 It is the extension unit structure schematic diagram in the utility model embodiment provides portal crane protection device.

[0020] In the figure, 1, portal crane protection device; 10, portal crane body; 11, supporting leg; 20, protection unit; 21, support frame; 211, horizontal plate; 212, portal support; 213, electric telescopic rod; 2131, clamping piece; 2132, fixed block; 2133, U-shaped plate; 22, top cover; 221, fixed column; 23, support column; 30, extension unit; 31, fixed strip plate; 32, movable strip plate; 33, slide assembly; 331, rotating frame; 3311, rod body; 3312, clamping column; 3313, rotating groove; 3314, stop plate; 3315, mounting plate; 3316, motor; 3317, screw rod; 332, slide rail; 333, hinged block; 34, rain cloth. DETAILED DESCRIPTION

[0021] The utility model will be made further detailed explanation below in combination with the drawings.

[0022] Referring to Figure 1 , the utility model discloses a portal crane protection device 1, including portal crane body 10, protection unit 20 and two extension units 30, the bottom of portal crane body 10 is provided with two supporting legs 11, two supporting legs 11 are spaced apart, and the protection unit 20 is arranged on the portal crane body 10, the bottom of the opposite two ends of the protection unit 20 is connected with the top of the two supporting legs 11 respectively, and the two extension units 30 are arranged on the opposite two sides of the protection unit 20, and the extension unit 30 can rotate relative to the protection unit 20, so the protection of the portal crane is improved, and the safety problems, such as the short circuit of control motor of the portal crane due to environmental problems, the rust of internal parts, the decline of insulation performance and the failure or decline of brake performance, are avoided.

[0023] Specifically, two supporting legs 11 are spaced apart along the length direction of the portal crane body 10.

[0024] Among them, as shown in the orientation, two extension units 30 are arranged at the front and rear ends of the protection unit 20. Figure 1

[0025] Referring to Figure 1 and Figure 2 , in the embodiment, the protection unit 20 includes a support frame 21, a top cover 22 and at least one support column 23, the bottom of the opposite two ends of the support frame 21 is connected with the top of the two supporting legs 11 respectively, the top of the support frame 21 is connected with the top cover 22 through the support column 23, and the top cover 22 is located directly above the portal crane body 10, two extension units 30 are arranged on the opposite two sides of the top cover 22, and the extension unit 30 can rotate relative to the top cover 22.

[0026] ​Specifically, the bottom end of the support column 23 is connected with the top end of the support frame 21, the top end of the support column 23 extends upward along the Z direction, and the top end of the support column 23 is connected with the bottom end of the top cover 22.

[0027] As shown in Figure 2 the embodiment, the number of support columns 23 is five. Of course, the number of support columns 23 can also be six or seven, which is not limited in the embodiment. Exemplarily, the top cover 22 can be a double-slope type. Of course, the top cover 22 can also be a flat plate type.

[0028] Further, in the embodiment, the support frame 21 includes a horizontal plate 211 and two door type supports 212, the horizontal plate 211 is arranged between the two door type supports 212, the opposite ends of the horizontal plate 211 are respectively connected with the side walls of the two door type supports 212, the top end of the horizontal plate 211 is connected with the bottom end of the support column 23, and the door type support 212 is arranged corresponding to the support leg 11 one by one, and the bottom end of the door type support 212 is connected with the top end of the support leg 11. Further, in the embodiment, the protection unit 20 further includes two electric telescopic rods 213, the two electric telescopic rods 213 are respectively arranged at the top ends of the two door type supports 212, the output ends of the two electric telescopic rods 213 are respectively provided with a clamping piece 2131, the output end of the electric telescopic rod 213 can drive the clamping piece 2131 to move, and the clamping piece 2131 is slidably connected with the extension unit 30.

[0029] Specifically, the electric telescopic rod 213 is arranged parallel to the Z direction. In the use process, the output end of the electric telescopic rod 213 can drive the clamping piece 2131 to move upward or downward.

[0030] The clamping piece 2131 includes a fixed block 2132 and two U-shaped plates 2133, the open ends of the two U-shaped plates 2133 are respectively connected with the opposite sides of the fixed block 2132, and the output end of the electric telescopic rod 213 is connected with the bottom end of the fixed block 2132.

[0031] As shown in Figure 3 , for example, the two U-shaped plates 2133 are respectively arranged at the left and right ends of the fixed block 2132.

[0032] Continuing to refer to Figure 1 and Figure 3In the embodiment, the extending unit 30 comprises a rain cloth 34, a fixed strip plate 31, a movable strip plate 32, and two slide assembly 33. The two slide assembly 33 are arranged along the X direction and are rotatably connected to the top cover 22 at one end. The fixed strip plate 31 and the movable strip plate 32 are arranged at the bottom end of the two slide assembly 33. The fixed strip plate 31 is arranged close to the protection unit 20. The movable strip plate 32 is arranged on the side of the fixed strip plate 31 away from the protection unit 20. The movable strip plate 32 can slide along the slide assembly 33. One end of the rain cloth 34 is connected to the fixed strip plate 31, and the other end of the rain cloth 34 is connected to the movable strip plate 32. When the movable strip plate 32 slides along the slide assembly 33, the rain cloth 34 is unfolded and folded through the movement of the movable strip plate 32.

[0033] In the embodiment, the extending unit 30 comprises a rain cloth 34, a fixed strip plate 31, a movable strip plate 32, and two slide assembly 33. The two slide assembly 33 are arranged along the X direction and are rotatably connected to the top cover 22 at one end. The fixed strip plate 31 and the movable strip plate 32 are arranged at the bottom end of the two slide assembly 33. The fixed strip plate 31 is arranged close to the protection unit 20. The movable strip plate 32 is arranged on the side of the fixed strip plate 31 away from the protection unit 20. The movable strip plate 32 can slide along the slide assembly 33. One end of the rain cloth 34 is connected to the fixed strip plate 31, and the other end of the rain cloth 34 is connected to the movable strip plate 32. When the movable strip plate 32 slides along the slide assembly 33, the rain cloth 34 is unfolded and folded through the movement of the movable strip plate 32.

[0034] Specifically, the fixed strip plate 31 and the movable strip plate 32 extend along the X direction. The top end of the fixed strip plate 31 is connected to the bottom end of the slide assembly 33. The top end of the movable strip plate 32 is slidably connected to the slide assembly 33.

[0035] Further, in the embodiment, the slide assembly 33 comprises a rotating frame 331, a slide rail 332, and a hinge block 333. The hinge block 333 is arranged at the top end of the rotating frame 331 and is rotatably connected to the top cover 22 through the fixed column 221. The slide rail 332 is arranged at the bottom end of the rotating frame 331. One end of the slide rail 332, which faces the protection unit 20, is connected to the fixed strip plate 31. The top end of the movable strip plate 32 is slidably connected to the slide rail 332.

[0036] Specifically, the opposite ends of the top cover 22 are each provided with two fixed columns 221. The two fixed columns 221 on the same side are arranged along the X direction. The fixed column 221 and the hinge block 333 are arranged one by one. The hinge block 333 is sleeved on the fixed column 221 and can rotate relative to the fixed column 221.

[0037] Among them, the fixed strip plate 31 and the movable strip plate 32 are located at the lower part of the rotating frame 331.

[0038] Among them, the center line of the fixed column 221 is arranged parallel to the X direction.

[0039] Further in the embodiment, the rotating frame 331 comprises a rod body 3311 and a clamping column 3312, one end of the rod body 3311 is provided with a rotating groove 3313, the other end of the rod body 3311 is provided with a stop plate 3314, the clamping column 3312 is arranged at the opening end of the rotating groove 3313, the hinged block 333 is arranged at the top of the rod body 3311 and close to the rotating groove 3313, and the sliding rail 332 is arranged at the bottom end of the rod body 3311.

[0040] Wherein, the moving strip plate 32 is located at the inner side of the stop plate 3314.

[0041] Specifically, the clamping column 3312 is matched with the U-shaped plate 2133, the center line of the clamping column 3312 is arranged in parallel with the X direction, the two U-shaped plates 2133 on the clamping piece 2131 are respectively sleeved on the clamping columns 3312 of the two extension units 30, and the clamping column 3312 is slidingly clamped in the interior of the U-shaped plate 2133.

[0042] In use, when the rain cloth 34 is unfolded, the electric telescopic rod 213 is started, the electric telescopic rod 213 drives the clamping piece 2131 to move up and down, and then drives the height of the clamping column 3312 to move up and down, because the hinged block 333 is rotatably sleeved on the fixed column 221, the rotating frame 331 rotates with the fixed column 221 as the center, and the clamping column 3312 is slidingly clamped in the interior of the U-shaped plate 2133, so that the unfolding range of the rotating frame 331 can be adjusted, and the portal crane body 10 can be more conveniently protected.

[0043] Further in the embodiment, the bottom of the rod body 3311 is provided with a mounting plate 3315, the mounting plate 3315 is located at the side of the fixed strip plate 31 away from the moving strip plate 32, the side of the mounting plate 3315 away from the fixed strip plate 31 is provided with a motor 3316, the output shaft of the motor 3316 is connected with one end of a screw rod 3317 through the mounting plate 3315, the other end of the screw rod 3317 away from the motor 3316 is rotatably connected with the stop plate 3314, the moving strip plate 32 is screwed with the screw rod 3317, and the moving strip plate 32 can move along the screw rod 3317; the output shaft of the motor 3316 drives the screw rod 3317 to rotate, the moving strip plate 32 moves on the screw rod 3317, when the moving strip plate 32 moves, the top end of the moving strip plate 32 slides on the sliding rail 332, and the unfolding and folding of the rain cloth 34 are driven by the movement of the moving strip plate 32.

[0044] Wherein, the center line of the screw rod 3317 is arranged in parallel with the extension direction of the rod body 3311.

[0045] The working process of the portal crane protection device 1 provided by the embodiment is as follows: when the motor 3316 is running, the output shaft of the motor 3316 drives the screw rod 3317 to rotate, at this time, the moving strip plate 32 moves on the surface of the screw rod 3317, when the moving strip plate 32 moves, the top end of the moving strip plate 32 slides on the slide rail 332, through the movement of the moving strip plate 32, the unfolding and folding of the rain cloth 34 are driven, so that the rain cloth 34 can be unfolded in bad weather, so as to protect the portal crane body 10, effectively avoid the rain erosion of the portal crane body 101, prevent the crane from being damaged by water, increase the service life of the crane, and when the weather is good, the moving strip plate 32 moves to fold the rain cloth 34, when the rain cloth 34 is unfolded, the electric telescopic rod 213 is started, the output end of the electric telescopic rod 213 drives the clamping piece 2131 to move up and down, in turn drives the height of the clamping column 3312 to move up and down, because the hinge block 333 is rotatably sleeved on the surface of the fixed column 221, the rotating frame 331 rotates around the fixed column 221 as the center, and the clamping column 3312 is slidably clamped in the clamping rod, so that the unfolding range of the rotating frame 331 can be adjusted, so that the portal crane body 10 can be more conveniently protected.

[0046] The application provides a portal crane protection device 1, which comprises a portal crane body 10, a protection unit 20 and two extension units 30.

[0047] The portal crane protection device 1 has the advantages that the device is simple in structure, easy to manufacture and convenient to operate.

[0048] It should be noted that, in this document, the terms "first", "second", and the like, merely denote differentiating entities or operations from each other, without necessarily requiring or implying any actual relationship or order between such entities or operations. Also, the terms "comprises", "comprising", or any other variations 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 can also include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element preceded by "comprises a" does not, without more limitations, preclude the existence of additional identical elements in the process, method, article, or apparatus that comprises the recited element.

[0049] Finally, it should be noted that: apparently, the above embodiments are only examples for clearly illustrating the utility model, and are not limitations to the embodiments. For ordinary skilled persons in the art, other different forms of changes or variations can be made on the basis of the above description. Here, all the embodiments need not and cannot be exhausted. The obvious changes or variations derived therefrom are still within the protection scope of the utility model.

Claims

1. A portal crane guard characterized in that: The gantry crane body, the protection unit and two extension units are included; The bottom end of the gantry crane body is provided with two legs, the two legs are arranged at intervals, the protection unit is arranged on the gantry crane body, the bottom of the opposite ends of the protection unit is connected with the top end of the two legs respectively, and the two extension units are arranged on the opposite sides of the protection unit respectively.

2. Portal crane guard according to claim 1, characterized in that: The protection unit includes a support frame, a top cover and at least one support column, the bottom end of the opposite ends of the support frame is connected with the top end of the two legs respectively, the top end of the support frame is connected with the top cover through the support column, and the top cover is located directly above the gantry crane body. The two extension units are arranged on the opposite sides of the top cover respectively, and the extension units can rotate relative to the top cover.

3. Portal crane guard according to claim 2, characterized in that: The top cover is double-slope type.

4. Portal crane guard according to claim 3, characterized in that: The support frame includes a horizontal plate and two gantry supports, the horizontal plate is arranged between the two gantry supports, and the opposite ends of the horizontal plate are connected with the side walls of the two gantry supports respectively. The top end of the horizontal plate is connected with the bottom end of the support column, the gantry supports are arranged in one-to-one correspondence with the legs, and the bottom end of the gantry support is connected with the top end of the leg.

5. Portal crane guard according to claim 4, characterized in that: The protection unit further includes two electric telescopic rods, the two electric telescopic rods are arranged at the top end of the two gantry supports respectively, the output ends of the two electric telescopic rods are provided with clamping pieces, the output end of the electric telescopic rod can drive the clamping piece to move, and the clamping piece is slidably connected with the extension unit.

6. Portal crane guard according to claim 5, characterized in that: The clamping piece includes a fixed block and two U-shaped plates, the open ends of the two U-shaped plates are connected with the opposite sides of the fixed block respectively, and the output end of the electric telescopic rod is connected with the bottom end of the fixed block.

7. The portal crane guard of claim 2, wherein: The extension unit includes a rain cloth, a fixed strip plate, a movable strip plate and two slide assembly components, the two slide assembly components are arranged at intervals along the X direction, one end of the two slide assembly components is rotatably connected with the top cover, the fixed strip plate and the movable strip plate are arranged at the bottom end of the two slide assembly components, the fixed strip plate is arranged close to the protection unit, the movable strip plate is arranged on the side, away from the protection unit, of the fixed strip plate, the movable strip plate can slide along the slide assembly component, one end of the rain cloth is connected with the fixed strip plate, and the other end of the rain cloth is connected with the movable strip plate. When the movable strip plate slides along the slide assembly component, the rain cloth is unfolded and folded through the movement of the movable strip plate.

8. Portal crane guard according to claim 7, characterized in that: The slide assembly component includes a rotating frame, a slide rail and a hinge block, the hinge block is arranged at the top end of the rotating frame, the hinge block is rotatably connected with the top cover through a fixed column, the slide rail is arranged at the bottom end of the rotating frame, one end of the slide rail, which faces the protection unit, is connected with the fixed strip plate, and the top end of the movable strip plate is slidably connected with the slide rail.

9. Portal crane guard according to claim 8, characterized in that: The rotating frame comprises a rod body and a clamping column, one end of the rod body is provided with a rotating groove, the other end of the rod body is provided with a stop plate, the clamping column is arranged at the opening end of the rotating groove, the hinge block is arranged at the top of the rod body and close to the rotating groove, and the slide rail is arranged at the bottom end of the rod body.

10. Portal crane guard according to claim 9, characterized in that: The bottom of the rod body is provided with a mounting plate, the mounting plate is located on the side of the fixed strip plate away from the moving strip plate, the side of the mounting plate away from the fixed strip plate is provided with a motor, the output shaft of the motor is connected with one end of a screw rod through the mounting plate, the other end of the screw rod away from the motor is rotationally connected with the stop plate, the moving strip plate is screwedly connected with the screw rod, and the moving strip plate can move along the screw rod. The output shaft of the motor drives the screw rod to rotate, and the moving strip plate moves on the screw rod; when the moving strip plate moves, the top end of the moving strip plate slides on the slide rail; and the moving of the moving strip plate drives the unfolding and folding of the rain cloth.

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