Locking device convenient to adjust

Abstract

The utility model discloses a locking device convenient to adjust. The locking device comprises a locking plate and a locking assembly arranged on the locking plate. The locking plate is provided with an accommodating cavity for placing the fan mounting seat; the locking assembly is used for locking a limiting column on the fan mounting seat; an adjusting assembly is arranged at the bottom of the locking plate and used for adjusting the position of the locking assembly and enabling the locking assembly to be aligned with the limiting column. Through the combination of the adjusting gear and the rack, the distance between the first locking plate and the second locking plate can be accurately adjusted according to the size of the fan mounting seat, specific locking devices do not need to be designed for different fan mounting assemblies, the universality and the adjusting flexibility of the fan mounting seat are remarkably improved, and the fan mounting seat is convenient to use. The operation cost and time are reduced; in addition, the distance between the locking assembly and the mounting base can be conveniently adjusted through an adjusting oil cylinder arranged on the locking base, and the adjusting convenience and the adjusting accuracy of the device are further improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of ocean engineering equipment, especially to a locking device convenient to adjust. BACKGROUND

[0002] The existing offshore wind power installation platform mostly uses traditional hoisting equipment as the transfer or assembly device of fan blade nacelle components. However, due to the high center of gravity of the hoisting equipment, it is easily affected by wind resistance, causing the hoisting equipment to deviate or tilt during transportation, increasing the difficulty and risk of hoisting operation; and it is difficult to predict the operation window, limiting the planning and continuity of the operation.

[0003] To reduce the use of large hoisting equipment, the prior art also adopts the installation mode of first placing the foundation and tower drum on the sea by the hoisting equipment, then transferring the climbing fan installation component and fan blade nacelle component to the lower section of the tower drum, and completing the assembly of the fan blade nacelle component by the climbing installation component, referring to the technical solution disclosed in the Chinese utility model patent with the publication number CN219809090U and the patent name of a kind of installation device of offshore wind turbine. Therefore, the climbing fan installation component and fan blade nacelle component need to be transferred by low-altitude transportation. During the transfer process, the mounting seat on which the climbing fan installation component and fan blade nacelle component are placed needs to be locked and fixed to ensure stable transportation to the docking position of the tower drum to complete the alignment and docking with the tower drum. Especially on the offshore installation platform affected by waves and wind resistance, if the mounting seat on which the climbing fan installation component is placed is not effectively fixed, it is easy to cause the mounting seat on which the climbing fan installation component and fan blade nacelle component are placed to loosen or even the components to fall off due to the influence of waves and the body sway of the installation ship, affecting the assembly operation.

[0004] Therefore, it is necessary to further develop a locking device that can effectively fix the fan component mounting seat to solve the problems existing in the prior art. UTILITY MODEL CONTENTS

[0005] Therefore, in order to solve the problems existing in the prior art, the purpose of the utility model is to provide a locking device convenient to adjust, which ensures quick matching with different fan mounting seats through flexible adjustment of the gear and rack design, and the quick locking characteristics of the clamping piece and the pressing piece reduce the loading and unloading time and improve the operation efficiency. In addition, the design of the adjusting oil cylinder further optimizes the accuracy and safety of the adjustment, thereby ensuring the safety and reliability of the fan during transportation and installation.

[0006] To achieve the above purpose, the utility model provides the following technical solutions:

[0007] A locking device convenient to adjust is installed on a transport device of a climbing fan mounting assembly to lock a fan mounting seat of the climbing mounting assembly, and a sidewall of the fan mounting seat is provided with a plurality of limiting columns; characterized by comprising a locking plate and a locking assembly arranged on the locking plate; the locking plate is provided with a containing cavity for placing the fan mounting seat; the fan mounting seat is placed in the containing cavity, the locking assembly corresponds to the limiting columns and is used for locking the limiting columns; a bottom of the locking plate is provided with an adjusting assembly used for adjusting a position of the locking assembly and aligning the locking assembly with the limiting columns.

[0008] Further, the locking plate comprises a first locking plate and a second locking plate arranged at intervals; an inner side of each of the locking plates is respectively provided with the locking assembly; the adjusting assembly comprises an adjusting seat arranged on the transport device and a first adjusting member and a second adjusting member movably arranged on the adjusting seat; the first adjusting member and the second adjusting member are respectively connected with the first locking plate and the second locking plate and drive the first locking plate and the second locking plate to move close to or away from each other.

[0009] Further, the first adjusting member and the second adjusting member are respectively provided with adjusting gears, and the adjusting seat is respectively provided with adjusting racks engaged with the adjusting gears; or the adjusting seat is respectively provided with adjusting gears corresponding to the first adjusting member and the second adjusting member, and the first adjusting member and the second adjusting member are respectively provided with the adjusting racks; the first adjusting member and the second adjusting member are driven to move close to or away from each other by engagement of the adjusting racks and the adjusting gears under the action of power.

[0010] Further, two adjusting gears are respectively arranged at intervals on both sides of an inner cavity of the adjusting seat along the moving direction of the first adjusting member and the second adjusting member, and the top edge of the first adjusting member and the bottom edge of the second adjusting member are respectively provided with the adjusting racks; so that the first adjusting member is arranged above the second adjusting member in a sliding mode; and the bottom of the first adjusting member and the bottom of the second adjusting member are respectively provided with rollers.

[0011] Further, the top of the first adjusting member and the top of the second adjusting member are respectively provided with a first limiting protrusion and a second limiting protrusion connected with the first locking plate and the second locking plate, and the adjusting seat is provided with a strip-shaped adjusting hole, and the first limiting protrusion and the second limiting protrusion are slidably penetrated in the adjusting hole.

[0012] Further, the first locking plate and the second locking plate respectively comprise a locking bottom plate and locking side plates integrally formed on both sides of the locking bottom plate; the inner wall surfaces of the two locking side plates are respectively provided with the locking assemblies; and the end of the limiting column is provided with a limiting ring with a larger diameter than the main body of the limiting column.

[0013] The locking assembly comprises a locking seat, a clamping member and / or a pressing member movably arranged on one side of the locking seat close to the limiting ring; the clamping member can be opened or closed towards the limiting ring to clamp or release the limiting ring; the pressing member can reciprocate along the direction close to or away from the locking seat to press the limiting ring between itself and the locking seat or release the limiting ring.

[0014] Further, an adjusting oil cylinder is arranged on the side of the locking seat away from the limiting ring, which is used to adjust the distance between the locking seat and the limiting ring; the locking seat is fixed on the telescopic rod of the adjusting oil cylinder.

[0015] Further, the locking assembly further comprises a locking oil cylinder used to drive the clamping member and the pressing member; the power output end of the locking oil cylinder is provided with a moving base plate which can reciprocate along the telescopic rod of the locking oil cylinder; two or more than three pressing members are symmetrically or equidistantly distributed on the locking base plate along the circumference of the locking base plate; the end of the pressing member is provided with a pressing hook which is used to press the limiting ring between the pressing member and the locking seat.

[0016] The end of the telescopic rod of the locking oil cylinder is fixed with a driving plate which is arranged through the middle part of the moving base plate; two or more than three clamping members are symmetrically or equidistantly distributed on the driving plate along the circumference of the driving plate and are closed towards the center and clamped on the edge of the limiting ring under the driving of the locking oil cylinder.

[0017] Further, the pressing member comprises a bending integrally formed pressing arm, one end of the pressing arm is hinged on the edge of the moving base plate, and the other end is provided with the pressing hook; the locking seat is respectively provided with a pressing sliding groove which is matched with the pressing arm, the pressing arm moves along the pressing sliding groove, drives the pressing hook to move towards the locking seat and presses the limiting ring on the locking seat.

[0018] The pressing sliding groove is provided with a first limiting shaft, the middle part of the pressing arm is outwardly provided with a first bending part, a strip-shaped first limiting hole is arranged through the first bending part, the limiting shaft is arranged through the first limiting hole, and the first limiting shaft can move along the first limiting hole when the pressing member moves along the pressing sliding groove.

[0019] Further, the clamping member comprises a clamping arm and a clamping block arranged on the end of the clamping arm, one end of the clamping arm is hinged on the driving plate, and the other end is provided with the clamping block; the middle part of the clamping arm is outwardly extended with a second bending part, the locking seat is provided with a clamping sliding groove, the clamping sliding groove is provided with a second limiting shaft, and the second bending part of the clamping arm is provided with a clamping hole which is matched with the second limiting shaft.

[0020] When the driving plate moves under the driving of the locking oil cylinder, the second limiting shaft is rotationally matched with the clamping hole to make the clamping arm fold towards the limiting ring.

[0021] Compared with the prior art, the utility model has at least the following beneficial effects:

[0022] 1. The utility model discloses a combination of the adjusting gear and the rack, which can accurately adjust the distance between the first locking plate and the second locking plate according to the size of the fan mounting seat, without designing specific locking devices for different fan mounting assemblies, thereby significantly improving the versatility and flexibility of the utility model, reducing operation cost and time, and ensuring accurate alignment of the locking device through the cooperation of the adjusting gear and the rack, effectively avoiding locking errors caused by improper alignment, reducing potential risks such as insecure locking and falling and damage of the fan mounting assembly.

[0023] In addition, the adjusting oil cylinder provided on the locking seat can adjust the distance between the locking assembly and the mounting seat, further improving the adjustment convenience and accuracy of the utility model, and reducing manual operation.

[0024] 2. The adjusting assembly of the utility model is convenient to operate, has high adjustment accuracy and good stability: the adjusting gear is distributed on both sides, the adjusting rack is arranged along the internal length direction of the adjusting seat, and is engaged with the gear, so that the distance between the first locking plate and the second locking plate is adjusted, which can ensure uniform distribution of stress and reduce inclination or deformation caused by excessive unilateral stress; meanwhile, the design position of the adjusting rack ensures uniform stress and smooth movement during adjustment, preventing jamming caused by unbalanced movement; the adjustment accuracy is further improved, ensuring that the two locking plates remain parallel during adjustment; the overall operation stability is improved, ensuring the safety and reliability of the fan during transportation and installation.

[0025] 3. The locking assembly of the utility model forms an effective locking structure with the mounting seat through the limiting ring, and the expandable and foldable characteristics of the clamping piece enable the operator to quickly adjust the locking state as needed, thereby improving the flexibility of operation; further, the distributed design of the pressing piece can ensure uniform pressure during locking, effectively preventing structural damage caused by uneven stress, and the action of the pressing piece can also effectively prevent the sliding of objects during clamping, thereby increasing the clamping effect and stability; on the other hand, different clamped parts can be adjusted or replaced, such as different shapes and sizes of pressing hooks or pressing blocks, thereby further improving the convenience and flexibility of locking.

[0026] 4. The structure of the adjusting assembly and the locking assembly of the utility model is simple and ingenious, without additional complex structures, which is convenient for daily maintenance and has high practicality. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 The overall structure diagram of the locking device convenient to adjust of the preferred embodiment of the utility model;

[0028] Figure 2 The exploded diagram of the overall structure of the locking assembly of the locking device convenient to adjust of the preferred embodiment of the utility model;

[0029] Figure 3 The assembly state diagram of the locking device convenient to adjust of the preferred embodiment of the utility model and the fan mounting seat;

[0030] Figure 4 The assembly state diagram of the first adjusting part and the second adjusting part of the locking device convenient to adjust of the preferred embodiment of the utility model;

[0031] Figure 5 The overall structure diagram of the locking assembly of the locking device convenient to adjust of the preferred embodiment of the utility model;

[0032] Figure 6 The local structure diagram of the locking assembly of the locking device convenient to adjust of the preferred embodiment of the utility model;

[0033] Figure 7 The exploded diagram of the overall structure of the locking assembly of the locking device convenient to adjust of the preferred embodiment of the utility model;

[0034] Figure 8 The movement direction diagram of the clamping part and the pressing part of the locking assembly of the locking device convenient to adjust of the preferred embodiment of the utility model;

[0035] Figure 9 The assembly state diagram of the locking device convenient to adjust of the preferred embodiment of the utility model applied to the transport device of the fan mounting assembly.

[0036] In the drawings:

[0037] 1, locking plate; 11, first locking plate; 12, second locking plate; 13, locking bottom plate; 14, locking side plate; 2, locking assembly; 21, locking seat; 211, pressing sliding groove; 212, first limiting shaft; 213, clamping sliding groove; 214, second limiting shaft; 22, clamping piece; 221, clamping arm; 2211, second bending part; 2212, clamping hole; 222, clamping block; 23, pressing piece; 231, pressing hook; 232, pressing arm; 2321, first bending part; 2322, first limiting hole; 24, locking oil cylinder; 25, moving bottom plate; 26, driving plate; 3, adjusting assembly; 31, adjusting seat; 311, adjusting hole; 32, first adjusting piece; 321, first limiting protrusion; 33, second adjusting piece; 331, second limiting protrusion; 34, adjusting gear; 35, adjusting rack; 36, roller; 37, adjusting oil cylinder;

[0038] 10, climbing type fan mounting assembly; 101, fan mounting seat; 1011, limiting column; 1012, limiting ring; 20, conveying device. DETAILED DESCRIPTION

[0039] In order to facilitate the understanding of the present application, the technical scheme and advantages of the present application are further described in detail below in combination with the drawings and examples. The specific structure and characteristics of the present application are described below by way of example, which should not constitute any limitation on the present application. At the same time, any one of the technical features mentioned below (including implied or disclosed), as well as any one of the technical features directly shown or implied in the drawings, can be arbitrarily combined or deleted between these technical features, thereby forming more other embodiments that can not be directly or indirectly mentioned in the present application. The preferred embodiments of the present application are shown in the drawings. However, the present application can be realized in many different forms, and is not limited to the embodiments described herein.

[0040] In the description of the present application, unless otherwise stated, the components used are conventional components in the prior art.

[0041] As Figures 1-9 shown, the present application provides a locking device convenient to adjust, which is installed on a conveying device 20 of a climbing type fan mounting assembly 10 to lock and fix a fan mounting seat 101 of the climbing type mounting assembly, the side wall of the fan mounting seat 101 is provided with a plurality of limiting columns 1011; the conveying device is arranged on the surface of an offshore wind power installation ship to complete the transfer of the climbing type fan mounting assembly 10; the conveying device 20 can be conveying, which is not limited here.

[0042] Specifically, the conveying device comprises an adjustable locking device, which comprises a locking plate 1, a locking assembly 2 arranged on the locking plate 1; the locking plate 1 is provided with a containing cavity for placing a fan mounting seat 101; the fan mounting seat 101 is placed in the containing cavity, the locking assembly 2 corresponds to the limiting column 1011 and is used for locking the limiting column 1011; the bottom of the locking plate 1 is provided with an adjusting assembly 3, which is used for adjusting the position of the locking assembly 2 and aligning it with the limiting column 1011.

[0043] Further, the structure of the locking plate is described, the locking plate 1 comprises a first locking plate 11 and a second locking plate 12 arranged at intervals; the inner side of each locking plate 1 is respectively provided with the locking assembly 2; the adjusting assembly 3 comprises an adjusting seat 31 arranged on the conveying device 20 and a first adjusting piece 32 and a second adjusting piece 33 movably arranged on the adjusting seat 31; the first adjusting piece 32 and the second adjusting piece 33 are respectively connected with the first locking plate 11 and the second locking plate 12, and drive the first locking plate 11 and the second locking plate 12 to move close to or away from each other.

[0044] In the embodiment, the first locking plate and the second locking plate are independently arranged, so that they can be independently adjusted. Through the first adjusting piece and the second adjusting piece, the position of each locking plate can be accurately controlled, so as to adapt to fan mounting seats of different sizes and shapes, and the matching degree of the locking device can be quickly adjusted.

[0045] Preferably, the first adjusting piece 32 and the second adjusting piece 33 are respectively provided with adjusting gears 34, and the adjusting seat 31 is respectively provided with adjusting racks 35 engaged with the adjusting gears 34; or the adjusting seat 31 is respectively provided with adjusting gears 34 corresponding to the first adjusting piece 32 and the second adjusting piece 33, and the first adjusting piece 32 and the second adjusting piece 33 are respectively provided with the adjusting racks 35; the first adjusting piece 32 and the second adjusting piece 33 are driven by the engagement of the adjusting racks 35 and the adjusting gears 34 under the action of power, and drive the first locking plate 11 and the second locking plate 12 to move close to or away from each other.

[0046] Preferably, two adjusting gears 34 are respectively arranged on both sides of the adjusting seat 31 along the moving direction of the first adjusting part 32 and the second adjusting part 33, and the top edge of the first adjusting part 32 and the bottom edge of the second adjusting part 33 are respectively provided with the adjusting rack 35, so that the first adjusting part 32 is arranged above the second adjusting part 33, and the bottom of the first adjusting part 32 and the second adjusting part 33 is respectively provided with the roller 36.

[0047] Preferably, the top of the first adjusting part 32 and the second adjusting part 33 is respectively provided with the first limiting protrusion 321 and the second limiting protrusion 331 connected with the first locking plate 11 and the second locking plate 12, and the adjusting seat 31 is provided with a strip-shaped adjusting hole 311, and the first limiting protrusion 321 and the second limiting protrusion 331 are slid through the adjusting hole 311.

[0048] Preferably, the first locking plate 11 and the second locking plate 12 respectively comprise a locking bottom plate 13 and locking side plates 14 integrally formed on both sides of the locking bottom plate 13, the inner wall surfaces of the two locking side plates 14 are respectively provided with the locking assembly 2, and the end of the limiting column 1011 is provided with a limiting ring 1012 with a larger diameter than the main body of the limiting column 1011.

[0049] The locking assembly 2 comprises a locking seat 21, a clamping part 22 and / or a pressing part 23 movably arranged on one side of the locking seat 21 close to the limiting ring 1012, the clamping part 22 can be opened or closed towards the limiting ring 1012 to clamp the limiting ring 1012 or release the limiting ring 1012, and the pressing part 23 can reciprocate along the direction close to or away from the locking seat 21 to press the limiting ring 1012 between itself and the locking seat 21 or release the limiting ring 1012.

[0050] In the embodiment, the outer wall of the fan mounting seat can be provided with the limiting column and the limiting ring, so as to facilitate the clamping or pressing action of the clamping part and the pressing part of the locking assembly, the clamping part can form a clamping cavity matched with the contour of the limiting ring, so as to ensure that the limiting column is firmly fixed and avoids sliding or loosening, and the utility model can be clamped by separately using the clamping part or the pressing part according to the size and shape of the limiting column, and more preferably, the clamping part and the pressing part are synchronously designed to be linked and clamped, so as to further ensure the clamping of the limiting column.

[0051] Preferably, the locking seat 21 is provided with an adjusting oil cylinder 37 away from one side of the limiting ring 1012, the adjusting oil cylinder 37 is used for adjusting the distance between the locking seat 21 and the limiting ring 1012, and the locking seat 21 is fixed on the telescopic rod of the adjusting oil cylinder 37. In the embodiment, the adjusting oil cylinder provided on the locking seat can conveniently adjust the distance between the locking assembly and the mounting seat, simplify the adjustment process of the locking device, and reduce the dependence on manual operation.

[0052] Preferably, the locking assembly 2 further comprises a locking oil cylinder 24 for driving the clamping piece 22 and the pressing piece 23; the power output end of the locking oil cylinder 24 is provided with a moving base plate 25 which can reciprocate with the telescopic rod of the locking oil cylinder 24; two or more than three pressing pieces 23 are distributed on the moving base plate 25 in circumferential symmetry or equidistant spacing; the end of the pressing piece 23 is provided with a pressing hook 231, and the limiting ring 1012 is pressed between the pressing piece 23 and the locking seat 21 through the pressing hook 231.

[0053] The telescopic rod of the locking oil cylinder 24 is fixed with a driving plate 26 which is arranged through the middle of the moving base plate 25; two or more than three clamping pieces 22 are distributed on the driving plate 26 in circumferential symmetry or equidistant spacing, and are gathered to the center and clamped on the edge of the limiting ring 1012 under the driving of the locking oil cylinder 24. The movement of the clamping piece 22 and the pressing piece 23 is driven by the locking oil cylinder 24, so that the automatic locking and loosening process is realized; the pressing pieces 23 are distributed in circumferential symmetry or equidistant spacing along the moving base plate 25, so that uniform pressure can be applied during the locking process; the deformation or locking failure caused by excessive local stress is effectively avoided, and the fixing stability of the equipment during transportation is enhanced.

[0054] In addition, the combination of the moving base plate 25 and the locking oil cylinder 24 makes the overall structure compact, reduces unnecessary space occupation, and improves the design flexibility of the device.

[0055] Preferably, the pressing piece 23 comprises a bending integrally formed pressing arm 232, one end of the pressing arm 232 is hinged to the edge of the moving base plate, and the other end is provided with the pressing hook 231; the locking seat 21 is respectively provided with a pressing sliding groove 211 matched with the pressing arm 232, the pressing arm 232 moves along the pressing sliding groove 211, drives the pressing hook 231 to move towards the locking seat 21, and presses the limiting ring 1012 on the locking seat 21.

[0056] The first limiting shaft 212 is arranged on the pressing chute 211, and the middle part of the pressing arm 232 is outwardly provided with a first bending part 2321, and a strip-shaped first limiting hole 2322 is arranged through the first bending part 2321, and the limiting shaft is arranged through the first limiting hole 2322, and when the pressing part 23 moves along the pressing chute 211, the first limiting shaft 212 can move along the first limiting hole 2322.

[0057] In the embodiment, the bending design of the pressing arm makes it more effective when pressure is applied, and when the pressing arm moves along the chute, the pressing hook can apply stable pressure to the locking seat, effectively pressing the limiting ring on the locking seat, and enhancing the overall fixing capacity. In addition, through the cooperation design of the limiting shaft and the limiting hole, the pressing force can be adjusted according to the actual situation, the bending integral pressing arm can improve the strength and durability in the production process, and the deformation or damage in long-term use can be avoided, and the maintenance frequency is reduced.

[0058] Preferably, the clamping part 22 comprises a clamping arm 221 and a clamping block 222 arranged at the end of the clamping arm 221, one end of the clamping arm 221 is hinged to the driving plate 26, and the other end is provided with the clamping block 222; the middle part of the clamping arm 221 extends outwardly and is provided with a second bending part 2211, the locking seat 21 is provided with a clamping chute 213, the clamping chute 213 is provided with a second limiting shaft 214, and the second bending part 2211 of the clamping arm 221 is provided with a clamping hole 2212 matched with the second limiting shaft 214.

[0059] When the driving plate 26 moves under the drive of the locking oil cylinder 24, the second limiting shaft 214 is rotationally matched with the clamping hole 2212, so that the clamping arm 221 is gathered towards the limiting ring.

[0060] In the embodiment, the end of the clamping block can effectively grip the limiting ring, enhance the clamping force, and avoid loosening during transportation or operation; the bending part in the middle part of the clamping arm makes the clamping arm more flexible during clamping, can adapt to limiting rings of different shapes and sizes, and increases the versatility of the design.

[0061] In addition, the design of the locking seat is simple and ingenious, without additional complex structure, only the accommodating cavity matched with the locking assembly is designed, and the slot or hole structure for opening or gathering of the clamping part is arranged on the locking seat, the clamping and locking operation of the locking assembly is realized, the dependence on complex tools is reduced, and daily maintenance and inspection are facilitated.

[0062] The above implementation is only the preferred implementation of the present application, and cannot be used to limit the scope of the present application. For those skilled in the art, it can be understood that the embodiments can be changed, modified, replaced and modified in various ways without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A locking device for facilitating adjustment, which is installed on a transport device of a climbing fan mounting assembly to lock and fix a fan mounting seat of the climbing mounting assembly, and a sidewall of the fan mounting seat is provided with a plurality of limiting columns; characterized in that, The utility model provides a wind turbine installation base locking device, including locking plate, locking assembly is arranged on locking plate, locking plate is equipped with the accommodating cavity for placing the wind turbine installation base, the wind turbine installation base is placed in accommodating cavity, locking assembly corresponds with the limiting column and is used for locking limiting column, the bottom of locking plate is equipped with adjusting assembly, adjusting assembly is used for adjusting locking assembly position and makes it with limiting column alignment.

2. The easily adjustable locking device of claim 1, wherein, The locking plate includes a first locking plate and a second locking plate arranged at intervals, and each of the locking plates is provided with the locking assembly on the inner side; the adjusting assembly includes an adjusting seat arranged on the transportation device and first and second adjusting members movably arranged on the adjusting seat; the first and second adjusting members are connected with the first and second locking plates respectively and drive the first and second locking plates to move closer to or away from each other.

3. The easily adjustable locking device of claim 2, wherein, The first and second adjusting members are respectively provided with adjusting gears, and the adjusting seat is respectively provided with adjusting racks engaged with the adjusting gears; or the adjusting seat is respectively provided with adjusting gears corresponding to the first and second adjusting members, and the first and second adjusting members are respectively provided with the adjusting racks; the first and second adjusting members are driven to move closer to or away from each other by the engagement of the adjusting racks and the adjusting gears under the action of power.

4. The easily adjustable locking device of claim 3, wherein, Two adjusting gears are respectively arranged on both sides of the inner cavity of the adjusting seat along the moving direction of the first and second adjusting members, and the top edge of the first adjusting member and the bottom edge of the second adjusting member are respectively provided with the adjusting racks; so that the first adjusting member is arranged above the second adjusting member; the bottom of the first and second adjusting members is respectively provided with a roller.

5. The easily adjustable locking device of claim 4, wherein, The top of the first and second adjusting members is respectively provided with a first and second limiting protrusion connected with the first and second locking plates, and the adjusting seat is provided with a strip-shaped adjusting hole, and the first and second limiting protrusions are slidably penetrated in the adjusting hole.

6. The easily adjustable locking device of any one of claims 2-5, wherein, The first and second locking plates respectively include a locking bottom plate and locking side plates integrally formed on both sides of the locking bottom plate, and the inner wall surfaces of the two locking side plates are respectively provided with the locking assembly; the end of the limiting column is provided with a limiting ring with a larger diameter than the main body of the limiting column; The locking assembly includes a locking seat and a clamping member and / or a pressing member movably arranged on the side of the locking seat close to the limiting ring; the clamping member can be opened or closed towards the limiting ring to clamp the limiting ring or release the limiting ring; the pressing member can reciprocate along the direction close to or away from the locking seat to press the limiting ring between itself and the locking seat or release the limiting ring.

7. The easily adjustable locking device of claim 6, wherein, The side of the locking seat away from the limiting ring is provided with an adjusting oil cylinder, and the adjusting oil cylinder is used to adjust the distance between the locking seat, the locking assembly and the limiting ring; the locking seat is fixed on the telescopic rod of the adjusting oil cylinder.

8. The easily adjustable locking device of claim 7, wherein, The locking assembly further comprises a locking oil cylinder for driving the clamping members and the pressing members; the power output end of the locking oil cylinder is provided with a moving base plate which can reciprocate with the extension rod of the locking oil cylinder; two or more than three pressing members are symmetrically or equidistantly distributed on the locking base plate; the end of the pressing member is provided with a pressing hook for pressing the limiting ring between the pressing member and the locking seat; The end of the extension rod of the locking oil cylinder is fixed with a driving plate which is arranged in the middle of the moving base plate; two or more than three clamping members are symmetrically or equidistantly distributed on the driving plate and are folded towards the center and clamped on the edge of the limiting ring under the driving of the locking oil cylinder.

9. The easily adjustable locking device of claim 8, wherein, The pressing member comprises a bending integrally formed pressing arm, one end of the pressing arm is hinged to the edge of the moving base plate, and the other end is provided with the pressing hook; the locking seat is respectively provided with a pressing sliding groove matched with the pressing arm, the pressing arm moves along the pressing sliding groove, drives the pressing hook to move towards the locking seat and presses the limiting ring on the locking seat; The pressing sliding groove is provided with a first limiting shaft, the middle part of the pressing arm is outwardly provided with a first bending part, a strip-shaped first limiting hole is arranged in the first bending part, the limiting shaft is arranged in the first limiting hole, and the first limiting shaft can move along the first limiting hole when the pressing member moves along the pressing sliding groove.

10. The easily adjustable locking device of claim 9, wherein, The clamping member comprises a clamping arm and a clamping block arranged at the end of the clamping arm, one end of the clamping arm is hinged to the driving plate, and the other end is provided with the clamping block; the middle part of the clamping arm is outwardly provided with a second bending part, the locking seat is provided with a clamping sliding groove, the clamping sliding groove is provided with a second limiting shaft, and the second bending part of the clamping arm is provided with a clamping hole matched with the second limiting shaft; When the driving plate moves under the driving of the locking oil cylinder, the second limiting shaft and the clamping hole rotate to fold the clamping arm towards the limiting ring.

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