Crane pulley support structure

Abstract

The utility model discloses a crane pulley support structure which comprises a top plate, three supporting rods and a pulley, the number of the supporting rods is three, the supporting rods are respectively and uniformly arranged on the periphery of the top plate and movably connected with the top plate, and the pulley is arranged below the top plate and fixedly connected with the top plate. According to the pulley support, the top plate, the supporting rod, the pulley, the positioning ring, the adjusting supporting assembly, the supporting feet, the positioning rod, the movable base, the locking device, the box body, the positioning assembly, the fixing rod, the lock head, the spring, the pressing groove, the linkage assembly, the control assembly and the adjusting groove are used in cooperation; the problems that in the prior art, the bottom of a supporting rod is usually connected and fixed through a chain for positioning and supporting, so that the supporting angle of the supporting rod is inconvenient to adjust according to the actual use condition, a large amount of time is wasted in the supporting and adjusting process, and the working efficiency is affected are solved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to crane pulley support technical field especially relates to a crane pulley support structure. BACKGROUND

[0002] Crane pulley support is the important component part of crane pulley block, and pulley support is a mechanical component with exquisite structure design and key function, which is mainly made of high-strength material such as alloy steel or high-quality cast iron, is used to fix and support pulley, ensures that pulley can rotate stably at specific position, is widely used in hoisting machinery, conveying system, hoisting equipment and other fields to conduct, change or distribute load, and ensures the efficient and safe operation of mechanical equipment.

[0003] The existing technology has the problem that the existing pulley support is usually connected and fixed by lock chain at the bottom of the support rod for positioning and supporting, so that it is inconvenient to adjust the support angle of the support rod according to the actual use condition, thereby a large amount of time is wasted in support adjustment, and the work efficiency is affected. UTILITY MODEL CONTENTS

[0004] In view of the problems in the prior art, the utility model provides a crane pulley support structure, which has the advantages of facilitating quick adjustment of the support angle position of the support rod, improving the overall work efficiency to a certain extent, and solving the problem that the existing pulley support is usually connected and fixed by lock chain at the bottom of the support rod for positioning and supporting, so that it is inconvenient to adjust the support angle of the support rod according to the actual use condition, thereby a large amount of time is wasted in support adjustment, and the work efficiency is affected.

[0005] The utility model is implemented as follows: a crane pulley support structure, which comprises a top plate, support rods and a pulley, the number of the support rods is three, and the support rods are evenly arranged around the top plate and movably connected with the top plate, the pulley is arranged below the top plate and fixedly connected with the top plate, a positioning ring is arranged at the lower end of the three support rods, three adjusting and supporting assemblies are evenly arranged around the positioning ring, the positions of the three adjusting and supporting assemblies correspond to the positions of the three support rods, and a locking device is arranged at the upper end of each adjusting and supporting assembly.

[0006] As the utility model discloses preferably, the adjusting and supporting assembly comprises a supporting leg, a positioning rod and a moving seat, the supporting leg is fixedly connected to the rear side surface of the positioning ring, the number of the positioning rods is two, and the two positioning rods are arranged on the left side and the right side in the supporting leg respectively, and the front end and the rear end of the supporting leg are fixedly connected to the front and rear end surfaces in the supporting leg respectively, the lower end of the moving seat is sleeved on the surfaces of the two positioning rods, and the moving seat is slidably connected with the positioning rods, the lower end of the supporting rod is sleeved on the surface of the moving seat, and the moving seat is rotatably connected with the supporting rod, the locking device is arranged on the front side of the moving seat, the adjusting and supporting assembly is arranged to adjust and support the supporting rod, and the supporting angle position of the supporting rod can be quickly moved and adjusted.

[0007] As the utility model discloses preferably, the locking device comprises a box body, a positioning assembly, a linkage assembly and a control assembly, the box body is sleeved on the surfaces of the two positioning rods, and the box body is slidably connected with the positioning rods, and the rear side is fixedly connected with the front end of the moving seat, the positioning assembly is arranged on the front side in the box body, the number of the linkage assemblies is two, and the two linkage assemblies are arranged on the left side and the right side of the rear end of the positioning assembly respectively, the control assembly is arranged between the rear ends of the two linkage assemblies, the locking device is arranged to lock the moving seat, the supporting rod can be fixed after the supporting rod is moved and adjusted, and therefore the supporting rod can be quickly fixed after being adjusted.

[0008] As the utility model discloses preferably, the positioning assembly comprises a fixed rod, a lock head, a spring and a pressing groove, the number of the fixed rods is four, and the four fixed rods are arranged at the four corners of the front side in the box body respectively, and the upper end and the lower end of each fixed rod are fixedly connected to the upper end surface and the lower end surface in the box body respectively, the lock head is sleeved on the lower end surfaces of the four fixed rods, and the lock head is slidably connected with the fixed rods, the lower end of the lock head extends out of the box body, and the box body is movably connected with the lock head, the number of the springs is four, and the four springs are sleeved on the surfaces of the four fixed rods respectively, and the upper end and the lower end of each spring are fixedly connected to the upper surface in the box body and the upper surface of the lock head respectively, the number of the pressing grooves is two, and the two pressing grooves are arranged on the left side surface and the right side surface of the lock head respectively, the positioning assembly is arranged to cooperate with the adjusting groove, the supporting rod can be adjusted and positioned, and the stability of the supporting rod can be guaranteed.

[0009] As the utility model discloses preferably, the linkage assembly comprises a rotating shaft, a rotating piece and a pressing rod, the rotating shaft is arranged behind the right side of the lock head, and the rotating shaft is fixedly connected with the right surface in the box body, the rotating piece is sleeved on the surface of the rotating shaft, and the rotating shaft is rotatably connected with the rotating piece, the pressing rod is arranged in the pressing groove, and the pressing groove is movably connected with the pressing rod, the right end of the pressing rod extends out of the pressing groove, and the front end of the rotating piece is fixedly connected with the right end of the pressing rod, the linkage assembly is arranged to drive the positioning assembly, and the lock head can be moved up and down on the surface of the fixed rod.

[0010] As the utility model discloses preferably, the control assembly includes a slide rod, a pressing plate and a button, the number of the slide rod is two, and both are arranged on the inside rear side of the box body and are fixedly connected with the upper and lower end surfaces of the inside of the box body respectively, the pressing plate is sleeved on the upper end surfaces of the two slide rods and is slidably connected with the slide rods, and the button is fixedly connected with the upper surface of the pressing plate and extends out of the box body from the upper end and is movably connected with the box body.

[0011] As the utility model discloses preferably, the inside lower surfaces of the supporting legs are uniformly provided with a plurality of adjusting grooves, the adjusting grooves correspond to and are adapted to the positions of the locking devices, the inside lower surfaces of the supporting legs are uniformly provided with a plurality of adjusting grooves to cooperate with the positioning assembly during adjustment, thereby achieving the adjustment and fixation of the supporting rods.

[0012] Compared with the prior art, the utility model has the beneficial effects as follows.

[0013] 1、The utility model discloses a cooperation of top plate, supporting rod, pulley, positioning ring, adjusting support subassembly, supporting leg, positioning rod, movable seat, locking device, box body, positioning assembly, fixed rod, lock head, spring, pressing groove, linkage assembly, pivot, rotating piece, pressing rod, control assembly, slide rod, pressing plate, button and adjusting groove, solve the existing pulley support when using, its supporting rod bottom usually all use the lock chain mutual connection fixed, carry out the positioning support, like this inconvenient according to actual use condition to the support angle of supporting rod is adjusted, thereby can waste a lot of time in support adjustment, influence work efficiency's problem. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the three-dimensional structure schematic diagram of the pulley support provided by the utility model embodiment;

[0015] Figure 2 It is the three-dimensional structure schematic diagram of the adjusting support subassembly in the pulley support provided by the utility model embodiment;

[0016] Figure 3 It is the cutaway three-dimensional structure schematic diagram of the movable seat in the pulley support provided by the utility model embodiment;

[0017] Figure 4 It is the three-dimensional structure schematic diagram of the locking device in the pulley support provided by the utility model embodiment.

[0018] In the diagram: 1. Top plate; 2. Support rod; 3. Pulley; 4. Positioning ring; 5. Adjustment support assembly; 51. Support leg; 52. Positioning rod; 53. Moving seat; 6. Locking device; 61. Box body; 62. Positioning assembly; 621. Fixed rod; 622. Lock head; 623. Spring; 624. Pressure groove; 63. Linkage assembly; 631. Rotating shaft; 632. Rotating component; 633. Pressure rod; 64. Control assembly; 641. Slide rod; 642. Pressure plate; 643. Button; 7. Adjustment groove. Detailed Implementation

[0019] To further understand the invention content, features and effects of this utility model, the following embodiments are provided, and detailed descriptions are given in conjunction with the accompanying drawings.

[0020] The structure of this utility model will now be described in detail with reference to the accompanying drawings.

[0021] like Figures 1 to 4 As shown in the figure, the crane pulley support structure provided in this embodiment of the utility model includes a top plate 1, support rods 2 and pulleys 3. There are three support rods 2, which are evenly arranged around the top plate 1 and are movably connected to the top plate 1. The pulleys 3 are arranged below the top plate 1 and are fixedly connected to the top plate 1. A positioning ring 4 is provided in the middle of the lower end of the three support rods 2. Three adjusting support components 5 are evenly arranged around the positioning ring 4. The positions of the three adjusting support components 5 correspond to the positions of the three support rods 2. A locking device 6 is provided at the upper end of each of the three adjusting support components 5.

[0022] refer to Figure 1 , Figure 2 and Figure 3 The adjusting support assembly 5 includes a support leg 51, a positioning rod 52, and a movable seat 53. The support leg 51 is fixedly connected to the rear surface of the positioning ring 4. There are two positioning rods 52, which are respectively set on the left and right sides inside the support leg 51, and their front and rear ends are fixedly connected to the front and rear end surfaces inside the support leg 51, respectively. The lower end of the movable seat 53 is sleeved on the surface of the two positioning rods 52 and is slidably connected to the positioning rods 52. The lower end of the support rod 2 is sleeved on the surface of the movable seat 53 and is rotatably connected to the movable seat 53. The locking device 6 is set on the front side of the movable seat 53.

[0023] The above solution is adopted: by setting up the adjustment support component 5, the support rod 2 is adjusted and supported, which facilitates the rapid movement and adjustment of the support angle position of the support rod 2.

[0024] refer to Figure 2 , Figure 3 and Figure 4The locking device 6 comprises a box body 61, a positioning assembly 62, a linkage assembly 63 and a control assembly 64. The box body 61 is sleeved on the surface of the two positioning rods 52 and is in sliding connection with the positioning rods 52. The rear side of the box body 61 is fixedly connected with the front end of the moving seat 53. The positioning assembly 62 is arranged on the front side of the box body 61. The linkage assembly 63 comprises two linkage assemblies arranged on the left and right sides of the rear end of the positioning assembly 62. The control assembly 64 is arranged between the rear ends of the two linkage assemblies 63.

[0025] The above scheme has the following advantages: The locking device 6 is arranged to lock the moving seat 53, and has the effect of fixing the support rod 2 after the moving adjustment support rod 2 is adjusted, so that the support rod 2 is quickly fixed after adjustment.

[0026] Reference Figure 4 The positioning assembly 62 comprises four fixed rods 621, a lock head 622, four springs 623 and two pressing grooves 624. The four fixed rods 621 are arranged at the four corners of the front side of the box body 61. The upper and lower ends of each fixed rod 621 are fixedly connected with the upper and lower end surfaces of the box body 61. The lock head 622 is sleeved on the lower end surface of each fixed rod 621 and is in sliding connection with the fixed rod 621. The lower end of the lock head 622 extends out of the box body 61 and is movably connected with the box body 61. The four springs 623 are sleeved on the surfaces of the four fixed rods 621 and are fixedly connected with the upper surface of the box body 61 and the upper surface of the lock head 622. The two pressing grooves 624 are arranged on the left and right side surfaces of the lock head 622.

[0027] The above scheme has the following advantages: The positioning assembly 62 is arranged to cooperate with the adjustment groove 7, so as to adjust and position the support rod 2, thereby ensuring the stability of the support.

[0028] Reference Figure 4 The linkage assembly 63 comprises a rotating shaft 631, a rotating piece 632 and a pressing rod 633. The rotating shaft 631 is arranged behind the right side of the lock head 622 and is fixedly connected with the right surface of the box body 61. The rotating piece 632 is sleeved on the surface of the rotating shaft 631 and is in rotating connection with the rotating shaft 631. The pressing rod 633 is arranged in the pressing groove 624 and is movably connected with the pressing groove 624. The right end of the pressing rod 633 extends out of the pressing groove 624 and is fixedly connected with the front end of the rotating piece 632.

[0029] The above scheme has the following advantages: The linkage assembly 63 is arranged to drive the positioning assembly 62, so as to drive the lock head 622 to move up and down on the surface of the fixed rod 621.

[0030] Reference Figure 4The control assembly 64 comprises slide rods 641, a pressing plate 642 and a button 643, the number of the slide rods 641 is two, and each of the slide rods 641 is arranged at the rear side of the box body 61 and is fixedly connected with the upper and lower end surfaces of the box body 61, the pressing plate 642 is sleeved on the upper end surfaces of the two slide rods 641 and is slidably connected with the slide rods 641, and the button 643 is fixedly connected with the upper surface of the pressing plate 642 and extends out of the box body 61 and is movably connected with the box body 61.

[0031] By adopting the above scheme, the control assembly 64 is arranged to drive and control the locking device 6, and the positioning assembly 62 is driven and controlled to release the fixing of the supporting rod 2 by driving the linkage assembly 63 during adjustment.

[0032] Reference Figure 2 And Figure 3 The inner lower surfaces of the supporting legs 51 are uniformly provided with a plurality of adjusting grooves 7, and the adjusting grooves 7 correspond to and are adapted to the positions of the locking devices 6.

[0033] By adopting the above scheme, the adjusting grooves 7 are uniformly arranged on the inner lower surfaces of the supporting legs 51 to cooperate with the positioning assembly 62 during adjustment, so that the adjustment and fixing of the supporting rod 2 are realized.

[0034] Working principle of the utility model:

[0035] During use, the pressing plate 642 is pressed downward by the button 643, the pressing plate 642 moves downward on the surfaces of the slide rods 641, and the two rotating pieces 632 are simultaneously pressed and moved downward at the rear ends, so that the rotating pieces 632 are pressed and rotated clockwise on the surfaces of the rotating shafts 631, the pressing rods 633 are simultaneously driven to move and press the inner walls of the pressing grooves 624, the lock heads 622 are pressed and moved upward on the surfaces of the fixing rods 621, the lower ends of the lock heads 622 are moved out of the adjusting grooves 7, the fixing of the moving seat 53 is released, the supporting rod 2 is pulled to adjust the supporting angle, the lower end of the supporting rod 2 is simultaneously rotated on the moving seat 53, and the moving seat 53 is simultaneously moved on the surface of the positioning rod 52, the moving seat 53 drives the box body 61 to move, and after the lock head 622 is adjusted to the corresponding adjusting groove 7, the button 643 is released, the spring 623 rebounds, the lock head 622 is pushed downward into the adjusting groove 7, and the adjustment and positioning of the supporting rod 2 are completed.

[0036] In conclusion: the crane pulley support structure, through the cooperation of the top plate 1, the supporting rod 2, the pulley 3, the positioning ring 4, the adjusting and supporting assembly 5, the supporting leg 51, the positioning rod 52, the moving seat 53, the locking device 6, the box body 61, the positioning assembly 62, the fixing rod 621, the lock head 622, the spring 623, the pressing groove 624, the linkage assembly 63, the rotating shaft 631, the rotating piece 632, the pressing rod 633, the control assembly 64, the sliding rod 641, the pressing plate 642, the button 643 and the adjusting groove 7, the problem that the supporting angle of the supporting rod cannot be adjusted according to the actual use condition, thereby a lot of time is wasted in the supporting adjustment, and the work efficiency is affected is solved.

[0037] It should be noted that in this document, the terms "first" and "second" and the like are used merely to distinguish one entity or action from another, without necessarily requiring or implying any actual relationship or order between such entities or actions. Moreover, 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 include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0038] Although the embodiments of the present application have been shown and described, it should be understood by those ordinary skilled in the art that various changes, modifications, substitutions and variations can be made to the embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A crane pulley support structure, comprising a top plate (1), a support rod (2) and a pulley (3), the number of the support rod (2) is three, and each is evenly arranged around the top plate (1) and movably connected with the top plate (1), the pulley (3) is arranged below the top plate (1) and fixedly connected with the top plate (1), characterized in that: Three lower ends of the supporting rods (2) are provided with positioning rings (4), the positioning rings (4) are uniformly provided with three adjusting support assemblies (5) around, the positions of the three adjusting support assemblies (5) correspond to the positions of the three supporting rods (2), and upper ends of the three adjusting support assemblies (5) are provided with locking devices (6). ​ 2. A crane sheave support structure as claimed in claim 1, characterised in that: The adjusting support assembly (5) comprises a supporting leg (51), a positioning rod (52) and a moving base (53), the supporting leg (51) is fixedly connected to the rear side surface of the positioning ring (4), the positioning rod (52) is provided with two left and right sides in the supporting leg (51) and is fixedly connected to the front and rear end surfaces in the supporting leg (51), the moving base (53) is sleeved on the surfaces of the two positioning rods (52) and is slidably connected to the positioning rods (52), the supporting rod (2) is sleeved on the surface of the moving base (53) and is rotatably connected to the moving base (53), and the locking device (6) is arranged on the front side of the moving base (53).

3. A crane sheave support structure as claimed in claim 2, characterised in that: The locking device (6) comprises a box body (61), a positioning assembly (62), a linkage assembly (63) and a control assembly (64), the box body (61) is sleeved on the surfaces of the two positioning rods (52) and is slidably connected to the positioning rods (52), the rear side is fixedly connected to the front end of the moving base (53), the positioning assembly (62) is arranged on the front side in the box body (61), the linkage assembly (63) is provided with two left and right sides at the rear end of the positioning assembly (62), and the control assembly (64) is arranged between the rear ends of the two linkage assemblies (63).

4. A crane sheave support structure as claimed in claim 3, characterised in that: The positioning assembly (62) comprises a fixing rod (621), a lock head (622), a spring (623) and a pressing groove (624), the fixing rod (621) is provided with four corners at the front side in the box body (61) and is fixedly connected to the upper and lower end surfaces in the box body (61), the lock head (622) is sleeved on the lower end surfaces of the four fixing rods (621) and is slidably connected to the fixing rods (621), the lower end of the lock head (622) extends out of the box body (61) and is movably connected to the box body (61), the spring (623) is provided with four surfaces and is fixedly connected to the upper surface in the box body (61) and the upper surface of the lock head (622), and the pressing groove (624) is provided with two left and right side surfaces.

5. A crane sheave support structure as claimed in claim 4, characterised in that: The linkage assembly (63) comprises a rotating shaft (631), a rotating piece (632) and a pressing rod (633), the rotating shaft (631) is arranged behind the lock head (622) right side, and is fixedly connected with the inside right surface of the box body (61), the rotating piece (632) is sleeved on the surface of the rotating shaft (631), and is rotationally connected with the rotating shaft (631), the pressing rod (633) is arranged in the pressing groove (624), and is movably connected with the pressing groove (624), the right end of the pressing rod (633) extends out of the pressing groove (624), and the front end of the rotating piece (632) is fixedly connected with the pressing rod (633).

6. A crane sheave support structure as claimed in claim 5, characterised in that: The control assembly (64) comprises a slide rod (641), a pressing plate (642) and a button (643), the number of the slide rod (641) is two, and the two slide rods are both arranged on the inside rear side of the box body (61), and the upper and lower ends are fixedly connected with the inside upper and lower end surfaces of the box body (61), the pressing plate (642) is sleeved on the upper end surfaces of the two slide rods (641), and is slidably connected with the slide rods (641), the button (643) is fixedly connected with the upper surface of the pressing plate (642), and the upper end extends out of the box body (61) and is movably connected with the box body (61).

7. A crane sheave support structure as claimed in claim 2, characterised in that: A plurality of adjusting grooves (7) are uniformly arranged on the inside lower surface of the supporting leg (51), and the adjusting grooves (7) are correspondingly matched with the positions of the locking device (6).

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