Supporting device for leveling frame of bottom-supported leveling ship

Abstract

The utility model belongs to the technical field of foundation bed leveling construction, and relates to a supporting device for a leveling frame of a bottom-supported leveling ship, which comprises a first supporting component and a second supporting component which are respectively mounted at the bottoms of two opposite side frames of the leveling frame, the first supporting assembly comprises a bearing beam and a plurality of jacking oil cylinders, the bearing beam extends in the length direction of the side frame, the bottom face of the bearing beam is supported on a leveled foundation bed, and the jacking oil cylinders are embedded in the top face of the bearing beam and arranged in the length direction of the bearing beam at intervals; the second supporting assembly comprises a plurality of hydraulic supporting legs which are arranged at intervals in the length direction of the side frame, and the bottom surfaces of the hydraulic supporting legs are supported on a compacted to-be-leveled foundation bed; the multiple jacking oil cylinders and the hydraulic supporting legs jointly carry out lifting type supporting on the leveling frame. A new supporting mode is provided for the leveling frame, the settling volume of the first supporting assembly and the leveled foundation bed connected with the first supporting assembly in a pressing mode is obviously reduced, the first supporting assembly and the leveled foundation bed are evenly settled, the elevation precision of the leveling frame is improved, and then the leveling precision of the foundation bed can be improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the bed leveling construction technical field, concretely relates to a kind of support device of bottom-mounted type leveling boat leveling frame. BACKGROUND

[0002] Currently, when carrying out underwater bed leveling operation, many adopt bottom-mounted type leveling boat to carry out bed leveling. The bottom-mounted type leveling boat adopts frame type leveling machine, which is located in the opening space in the middle of the boat body; the leveling machine is mainly composed of a leveling frame of mouth-shaped type, a leveling platform vehicle connected to the leveling frame, a plurality of hoppers on the leveling platform vehicle and a scraper at the lower edge of the hopper; the leveling machine is used for fine leveling operation of supplementary stone throwing on the bed that has been pre-throwed and compacted. When the leveling boat carries out bed leveling operation, the leveling frame is first lowered to the preset position and elevation, then the stone in the hopper is thrown onto the bed to be leveled, and then the leveling platform vehicle drives the scraper to move along the leveling frame to level the area where the stone has been thrown, so as to realize bed leveling operation.

[0003] As disclosed in Chinese patent CN201245235Y, the lower part of the frame of the deep water stone throwing leveling boat is provided with a plurality of supporting legs, the bottom of the supporting leg is generally crimped to the bottom of water or the foundation trench, the height of each supporting leg is adjusted to adjust the elevation of the lowered leveling frame, and then stone throwing, scraping and other bed leveling operations are carried out; since the scraper moves along the leveling frame, the elevation accuracy of the leveling frame will directly affect the bed leveling accuracy. However, the multi-point supporting mode of the plurality of supporting legs of the leveling frame exerts a large load on the crimping surface of each supporting leg, the settlement amount at the supporting leg is large, and the foundation where the crimping surface is located is prone to uneven settlement, which affects the elevation accuracy and state stability of the leveling frame, and further affects the elevation control of the scraper, thereby affecting the bed leveling accuracy. CONTENT OF THE UTILITY MODEL

[0004] In view of the deficiencies in the related art, the utility model provides a support device for the leveling frame of a bottom-mounted type leveling boat to solve the technical problems mentioned in the background art.

[0005] The utility model provides a support device for the leveling frame of a bottom-mounted type leveling boat, which comprises a first support assembly and a second support assembly respectively installed at the bottom of two side frames oppositely arranged on the leveling frame; wherein,

[0006] The first support assembly comprises a cushion beam and a plurality of jacking oil cylinders; the cushion beam extends along the length direction of the side frame, and the bottom surface of the cushion beam is supported on the leveled bed; the plurality of jacking oil cylinders are embedded in the top surface of the cushion beam and are arranged at intervals along the length direction of the cushion beam;

[0007] The second support assembly comprises a plurality of hydraulic supporting legs, which are arranged at intervals along the length direction of the side frame, and the bottom surface of the hydraulic supporting leg is supported on the compacted bed to be leveled.

[0008] The plurality of jacking oil cylinders and the plurality of hydraulic legs jointly support the leveling frame in a liftable manner.

[0009] In some embodiments, wings are protruded on both sides of the lower part of the cushion beam in the width direction, the bottom surface of the wings is coplanar with the bottom surface of the cushion beam, and the top surface of the wings is upwardly inclined towards the cushion beam.

[0010] In some embodiments, a plurality of first limiting blocks and a plurality of second limiting blocks are respectively provided on both sides of the top part of the cushion beam in the width direction and are upwardly turned, and the bottom part of the side frame corresponding to the cushion beam is clamped between the first limiting blocks and the second limiting blocks.

[0011] In some embodiments, two sets of stop blocks are protruded on the bottom part of the side frame corresponding to the cushion beam in the length direction, and both ends of the cushion beam are clamped between the two sets of stop blocks.

[0012] In some embodiments, the jacking oil cylinder comprises a cylinder sleeve and a plunger coaxially arranged; the bottom end of the cylinder sleeve is connected with the cushion beam, and the top end is inserted with the plunger; the plunger comprises a plunger head and a plunger rod connected with each other, the plunger head is slidingly connected in the cylinder sleeve and is dynamically sealed with the inner wall of the cylinder sleeve, the plunger rod is sealingly penetrated through the cylinder sleeve, and the plunger can reciprocate along the cylinder sleeve in the axial direction.

[0013] In some embodiments, the number of jacking oil cylinders is five, two jacking oil cylinders are respectively arranged at both ends of the cushion beam in the length direction, and one jacking oil cylinder is arranged at the middle part of the cushion beam in the length direction; the number of hydraulic legs is two, and the two hydraulic legs are respectively located at both ends of the cushion beam in the length direction.

[0014] In some embodiments, the first support assembly further comprises a plurality of pull-together oil cylinders, the plurality of pull-together oil cylinders are embedded in the top surface of the cushion beam and are spaced apart along the length direction of the cushion beam, the bottom part and the top part of the pull-together oil cylinder are respectively connected with the cushion beam and the leveling frame, and the top part of the hydraulic leg is connected with the leveling frame.

[0015] In some embodiments, the pull-together oil cylinder comprises a cylinder barrel and a piston rod coaxially arranged; one end of the cylinder barrel is hinged in the cushion beam, and the other end is inserted with the piston rod; the piston rod comprises a piston head and a connecting rod connected with each other, the piston rod is slidingly connected in the cylinder barrel and is dynamically sealed with the inner wall of the cylinder barrel, the connecting rod is sealingly penetrated through the cylinder barrel and is hinged on the leveling frame, and the piston rod can reciprocate along the cylinder barrel in the axial direction.

[0016] In some embodiments, a plurality of pads are protruded on the top surface of the cushion beam; when the pull-together oil cylinder is contracted to a preset minimum stroke, the pads are in pressure connection with the bottom surface of the leveling frame.

[0017] In some embodiments, the number of pull-together oil cylinders is two, and the two pull-together oil cylinders are respectively located on both sides of the middle jacking oil cylinder of the cushion beam.

[0018] Based on the above technical scheme, the support device of the bottom-sitting type leveling frame of the leveling boat in the embodiment of the present application, through the setting of the cushion beam, significantly reduces the settlement amount of the first support assembly and the already leveled base bed pressed and connected by it and makes the settlement uniform, improves the elevation accuracy and state stability of the leveling frame, and further improves the base leveling accuracy; through the setting of the jacking oil cylinder and the hydraulic support leg, elevation adjustment of the leveling frame is facilitated; through the setting of the pulling and closing oil cylinder, the towing safety of the cushion beam is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0019] The accompanying drawings, which are included to provide a further understanding of the present application and are incorporated in and constitute a part of this application, illustrate embodiments of the present application and serve to explain the present application. In the drawings:

[0020] Figure 1 It is a whole schematic view of the support device of the bottom-sitting type leveling frame of the leveling boat of the present application;

[0021] Figure 2 It is a bottom view of the support device of the bottom-sitting type leveling frame of the leveling boat of the present application;

[0022] Figure 3 It is a whole schematic view of the first support assembly in the present application;

[0023] Figure 4 It is a sectional view at the jacking oil cylinder in the present application;

[0024] Figure 5 It is a sectional view at the pulling and closing oil cylinder in the present application;

[0025] Figure 6 It is a schematic view of the bottom-sitting of the leveling frame of the present application;

[0026] Figure 7 It is Figure 6 A-A sectional view.

[0027] In the drawings: 10, leveling frame; 11, side frame; 12, stop block; 20, cushion beam; 21, wing beam; 22, first limiting block; 23, second limiting block; 30, jacking oil cylinder; 31, cylinder sleeve; 32, plunger; 40, pulling and closing oil cylinder; 41, cylinder barrel; 42, piston rod; 43, connecting seat; 50, hydraulic support leg; 60, leveling platform vehicle; 61, material bin; 62, scraper; 70, leveling boat; 80, measuring tower. DETAILED DESCRIPTION

[0028] With reference to the accompanying drawings, the technical solutions in the embodiments will be described clearly and completely. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0029] In the description of the present application, it should be understood that the terms "center", "transverse", "longitudinal", "upper", "lower", "top", "bottom", "inner", "outer", "left", "right", "front", "rear", "vertical", "horizontal" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.

[0030] The terms "first", "second", and the like are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second", and the like can explicitly or implicitly include one or more of the features.

[0031] In the description of the present application, it should be noted that, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be directly connected, or indirectly connected through an intermediate medium, or it can be the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0032] Reference Figures 1-7 As shown in the drawings, the present application provides a support device for a bottom sitting type leveling frame, which is used for supporting the leveling frame 10. The support device for the bottom sitting type leveling frame comprises a first support assembly and a second support assembly respectively mounted on the bottom of the two side frames 11 oppositely arranged on the leveling frame 10; when the bottom sitting type leveling boat 70 performs the base leveling operation, the length direction of the two side frames 11 is consistent with the width direction of the base after the leveling frame 10 is lowered, and the leveling frame 10 is realized by the first support assembly and the second support assembly.

[0033] The first support assembly comprises a cushion beam 20 and a plurality of jacking cylinders 30; the cushion beam 20 extends along the length direction of the side frame 11, the bottom surface of the cushion beam 20 is supported on the leveled base bed, and the top surface of the cushion beam 20 is arranged opposite to the bottom surface of the side frame 11; the plurality of jacking cylinders 30 are embedded in the top surface of the cushion beam 20 and are arranged at intervals along the length direction of the cushion beam 20; the bottom end of the jacking cylinder 30 is connected with the cushion beam 20, and the top end of the jacking cylinder 30 is movable up and down relative to the cushion beam 20 to extend out of the cushion beam 20 or retract into the cushion beam 20; thus, the height of the first support assembly is adjustable through the arrangement of the jacking cylinders 30. The second support assembly comprises a plurality of hydraulic legs 50, which are arranged at intervals along the length direction of the side frame 11, the bottom surface of the hydraulic leg 50 is supported on the rammed base bed to be leveled, and the hydraulic leg 50 is telescopic up and down, that is, the height of the second support assembly is also adjustable. The plurality of jacking cylinders 30 and the plurality of hydraulic legs 50 jointly support the leveling frame 10 in a liftable manner; further, the measurement and control system on the bottom-sitting leveling boat 70 is in communication connection with the jacking cylinders 30 and the hydraulic legs 50 to remotely control the working stroke of the two to make them elongate upward or shorten downward.

[0034] Further, when the bottom-sitting leveling boat 70 performs the base leveling operation, after the leveling frame 10 is lowered and sits on the bottom, the working stroke of the jacking cylinders 30 and the hydraulic legs 50 is adjusted to level the leveling frame 10 and make the elevation of the leveling frame 10 reach the preset elevation requirement; those skilled in the art can understand that a plurality of measurement towers 80 are usually installed on the top surface of the leveling frame 10, the top end of the measurement tower 80 is exposed on the water surface, and a measurement device is installed on the top end of the measurement tower 80 to measure the elevations of the four corners of the leveling frame 10 to obtain the elevation of the leveling frame 10 in real time; further, after the elevation of the leveling frame 10 is adjusted in place, the stone in the stock bin 61 is thrown onto the base bed to be leveled, and then the screed vehicle 60 drives the screed 62 to move along the leveling frame 10 to level the area where the stone is thrown, thereby realizing the base leveling operation.

[0035] Compared with the prior art in which the leveling frame 10 is supported by multiple legs on both sides, the present embodiment significantly increases the contact area between the first support assembly and the leveled base, greatly reduces the load of the first support assembly on the leveled base, and thus can significantly reduce the settlement of the first support assembly and the leveled base pressed by the first support assembly and make the settlement uniform, which is conducive to ensuring that the elevation and leveling accuracy of the leveled base are not affected by subsequent leveling operations and still meet the engineering quality requirements, and improving the elevation accuracy and state stability of the leveling frame 10, thereby improving the base leveling accuracy. In addition, the present embodiment has adjustable height of the first support assembly and the second support assembly by the setting of the multiple hydraulic legs 50 and the jacking cylinder 30 on the pad beam 20, which facilitates leveling and elevation adjustment of the leveling frame 10.

[0036] Referring to Figures 3-5 As shown in some embodiments, the wings are protruded on both sides of the pad beam 20 in the width direction of the lower part, the bottom surface of the wings is coplanar with the bottom surface of the pad beam 20, and the top surface of the wings is inclined upward toward the pad beam 20. The present embodiment enhances the overall structural strength of the pad beam 20 by the setting of the wings, and further increases the contact area between the pad beam 20 and the leveled base, further reduces the load of the pad beam 20 on the leveled base, further reduces the settlement of the pad beam 20, i.e., the settlement of the leveled base in contact with the pad beam 20, better ensures that the elevation and leveling accuracy of the leveled base meet the engineering quality requirements, and also maximizes the subsequent settlement of the pad beam 20 during the base leveling operation, further improves the elevation accuracy and state stability of the leveling frame 10 during the base leveling operation, and thereby improves the base leveling accuracy.

[0037] Referring to Figures 3-5 As shown in some embodiments, the pad beam 20 has a plurality of first limiting blocks 22 and a plurality of second limiting blocks 23 turned upward on both sides of the top part in the width direction, and the bottom part of the side frame 11 corresponding to the pad beam 20 is clamped between the first limiting blocks 22 and the second limiting blocks 23. Thus, the matching limiting between the pad beam 20 and the leveling frame 10 is achieved. In addition, during the base leveling operation, if the leveling frame 10 is deflected due to large local resistance of the scraper 62 or other reasons, the first limiting blocks 22 and the second limiting blocks 23 on the pad beam 20 can stop the rotation of the leveling frame 10, avoiding the situation that the deflection of the leveling frame 10 affects the quality of the base leveling operation.

[0038] Referring toFigure 2 As shown in the drawings, in some embodiments, two sets of stop blocks 12 are arranged on the length direction of the bottom of the side frame 11 corresponding to the cushion beam 20, and the two ends of the cushion beam 20 are clamped between the two sets of stop blocks 12; thereby, the matching state between the cushion beam 20 and the leveling frame 10 is further limited, and the relative movement between the two is avoided.

[0039] Reference Figure 3 , Figure 4 As shown in the drawings, in some embodiments, the jacking oil cylinder 30 includes a coaxially arranged cylinder sleeve 31 and a plunger 32; the bottom end of the cylinder sleeve 31 is connected with the cushion beam 20, and the top end is inserted with the plunger 32; the plunger 32 includes a plunger head and a plunger rod connected with each other, the plunger head is slidingly connected in the cylinder sleeve 31 and is dynamically sealed with the inner wall of the cylinder sleeve 31, the plunger rod is sealed through the cylinder sleeve 31, and the plunger 32 can move axially and reciprocally along the cylinder sleeve 31. The schematic embodiment refines the structure of the jacking oil cylinder 30, and realizes the height adjustability of the first supporting assembly.

[0040] Reference Figures 1-3 As shown in the drawings, in some embodiments, the number of jacking oil cylinders 30 is five, two jacking oil cylinders 30 are arranged at each end of the length direction of the cushion beam 20, and one jacking oil cylinder 30 is arranged at the middle of the length direction of the cushion beam 20; the number of hydraulic legs 50 is two, and the two hydraulic legs 50 are respectively located at the two ends of the length direction of the cushion beam 20.

[0041] Further, when adjusting the elevation of the leveling frame 10, first, the working stroke of the four jacking oil cylinders 30 at the two ends of the cushion beam 20 and the working stroke of the two hydraulic legs 50 are adjusted until the elevations of the four corners of the leveling frame 10 meet the preset elevation requirements; then, the working stroke of the jacking oil cylinder 30 at the middle of the cushion beam 20 is adjusted, so that the working stroke of the jacking oil cylinder 30 is greater than the working stroke of the jacking oil cylinders 30 at the two ends of the cushion beam 20, but the difference of the working stroke does not exceed the elastic deformation amount of the middle of the cushion beam 20 relative to the two ends of the cushion beam 20, which can be obtained by theoretical calculation or experimental measurement, thereby avoiding the problem of insufficient jacking force of the middle jacking oil cylinder 30 due to the elastic deformation of the cushion beam 20, ensuring the overall stress area of the cushion beam 20, and further reducing the deformation of the leveling frame 10 and improving the elevation accuracy of the leveling frame 10.

[0042] Reference Figure 3 , Figure 5As shown, in some embodiments, the first support assembly further comprises a plurality of pull-in oil cylinders 40 embedded in the top surface of the cushion beam 20 and arranged at intervals along the length direction of the cushion beam 20; the bottom of the pull-in oil cylinder 40 is connected with the cushion beam 20, and the top of the pull-in oil cylinder 40 is connected with the leveling frame 10, while the top of the jacking oil cylinder 30 is not fixedly connected with the leveling frame 10; specifically, the number of pull-in oil cylinders 40 is two, and the two pull-in oil cylinders 40 are respectively located on both sides of the jacking oil cylinder 30 in the middle of the cushion beam 20; thus, the connection between the first support assembly and the leveling frame 10 is realized through the arrangement of the pull-in oil cylinder 40. The top of the hydraulic outrigger 50 is connected with the leveling frame 10, realizing the connection between the second support assembly and the leveling frame 10.

[0043] Further explanation, when the cushion beam 20 has not been supported on the leveled bed or the leveling boat 70 is displaced, the jacking oil cylinder 30 is retracted in the cushion beam 20, that is, the top surface of the jacking oil cylinder 30 does not contact with the leveling frame 10, and the pull-in oil cylinder 40 is retracted to the preset minimum stroke to make the top surface of the cushion beam 20 press on the bottom surface of the leveling frame 10; thus, it is ensured that no relative movement occurs between the cushion beam 20 and the leveling frame 10 when the leveling frame 10 is displaced, and further, the towing safety of the cushion beam 20 is ensured. After the cushion beam 20 is supported on the leveled bed, the pull-in oil cylinder 40 is depressurized, and the jacking oil cylinder 30 is elongated to jack up the leveling frame 10; while the jacking oil cylinder 30 is elongated, the pull-in oil cylinder 40 will be elongated accordingly; in order to ensure the safe and reliable performance of the pull-in oil cylinder 40, it is necessary to ensure that the pull-in oil cylinder 40 is not elongated to the preset maximum stroke when the jacking oil cylinder 30 is elongated to the preset maximum jacking stroke. The measurement and control system on the bottom-sitting leveling boat 70 is also in communication connection with the pull-in oil cylinder 40 to remotely control the retraction or depressurization of the pull-in oil cylinder 40.

[0044] Reference Figure 3 , Figure 5 As shown, in some embodiments, the pull-in oil cylinder 40 comprises a cylinder barrel 41 and a piston rod 42 arranged coaxially; one end of the cylinder barrel 41 is hinged in the cushion beam 20 through a connecting seat 43, and the other end is inserted with the piston rod 42; the piston rod 42 comprises a piston head and a connecting rod connected with each other, and is slidingly connected in the cylinder barrel 41 and dynamically sealed with the inner wall of the cylinder barrel 41; the connecting rod is sealingly penetrated through the cylinder barrel 41 and hinged on the leveling frame 10 through a connecting seat 43, and the piston rod 42 can reciprocate along the axial direction of the cylinder barrel 41. The schematic embodiment refines the structural arrangement of the pull-in oil cylinder 40, realizing the pull-in connection between the cushion beam 20 and the leveling frame 10.

[0045] In some embodiments, a plurality of pads (not shown) are arranged on the top surface of the cushion beam 20; when the pulling cylinder 40 is retracted to a preset minimum stroke, the pads are in pressure connection with the bottom surface of the leveling frame 10, thereby pulling the cushion beam 20 and the leveling frame 10 together; it should be noted that the preset minimum stroke of the pulling cylinder 40 is greater than zero. The schematic embodiment avoids the possibility of locking or force damage of the pulling cylinder 40 due to excessive retraction caused by misoperation through the arrangement of the pads.

[0046] In summary, the support device of the leveling frame of the bottom-sitting leveling boat provides a new support method for the leveling frame 10; through the arrangement of the cushion beam 20, the settlement amount of the first support assembly and the already leveled base is significantly reduced and evenly distributed, the elevation accuracy and state stability of the leveling frame 10 are improved, and the base leveling accuracy is further improved; through the arrangement of the jacking cylinder 30 and the hydraulic support leg 50, the elevation adjustment of the leveling frame 10 is facilitated; through the arrangement of the first limiting block 22, the second limiting block 23 and the stop block 12, the matching limiting between the cushion beam 20 and the leveling frame 10 is realized, and the deflection of the leveling frame 10 during the base leveling operation is avoided to affect the quality of the base leveling operation; through the arrangement of the pulling cylinder 40 on the cushion beam 20, the connection between the cushion beam 20 and the leveling frame 10 is realized, and the cushion beam 20 and the leveling frame 10 can be pulled together when the leveling frame 10 is displaced, thereby ensuring the towing safety of the cushion beam 20.

[0047] Finally, it should be noted that: the embodiments in the specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts of each embodiment can be referred to.

[0048] The above embodiments are only used to illustrate the technical solutions of the present application, but not to limit it; although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the specific embodiments of the present application can be modified or some technical features can be replaced by equivalent ones without departing from the spirit of the technical solutions of the present application, and all of them should be covered in the technical solution range of the present application.

Claims

1. A support device for a bottom-sitting leveling boat leveling frame, characterized in that, This includes a first support assembly and a second support assembly, respectively installed at the bottom of two opposite side frames of the leveling frame; wherein, The first support assembly includes a pad beam and multiple lifting cylinders; the pad beam extends along the length of the side frame, and the bottom surface of the pad beam is supported on the leveled base bed; the multiple lifting cylinders are embedded in the top surface of the pad beam and are spaced apart along the length of the pad beam. The second support assembly includes multiple hydraulic outriggers, which are spaced apart along the length of the side frame, and the bottom surfaces of the hydraulic outriggers are supported on a compacted and leveled foundation bed. Multiple lifting cylinders and multiple hydraulic outriggers work together to provide liftable support for the leveling frame.

2. The support device for the leveling frame of the bottom-sitting leveling boat according to claim 1, characterized in that, The pad beam has wing beams protruding on both sides in the width direction of its lower part. The bottom surface of the wing beam is coplanar with the bottom surface of the pad beam, and the top surface of the wing beam is inclined upward toward the pad beam.

3. The support device for the leveling frame of the bottom-sitting leveling boat according to claim 1, characterized in that, The top width direction of the pad beam is provided with multiple first limiting blocks and multiple second limiting blocks that flip upwards on both sides, and the bottom of the side frame corresponding to the pad beam is sandwiched between the first limiting blocks and the second limiting blocks.

4. The support device for the leveling frame of the bottom-sitting leveling boat according to claim 1, characterized in that, Two sets of stop blocks are protruding along the length direction of the bottom of the side frame corresponding to the pad beam, and the two ends of the pad beam along the length direction are sandwiched between the two sets of stop blocks.

5. The support device for the leveling frame of the bottom-sitting leveling boat according to claim 1, characterized in that, The lifting cylinder includes a cylinder liner and a plunger arranged coaxially; the bottom end of the cylinder liner is connected to the pad beam, and the top end is inserted with the plunger; the plunger includes a plunger head and a plunger rod connected to each other, the plunger head is slidably connected inside the cylinder liner and dynamically sealed to the inner wall of the cylinder liner, the plunger rod sealably penetrates the cylinder liner, and the plunger can reciprocate along the axial direction of the cylinder liner.

6. The support device for the leveling frame of the bottom-sitting leveling boat according to claim 1, characterized in that, The number of lifting cylinders is five, with two lifting cylinders at each end of the pad beam along its length and one lifting cylinder at the middle of the pad beam along its length; the number of hydraulic outriggers is two, with the two hydraulic outriggers located at the two ends of the pad beam along its length.

7. The support device for the leveling frame of the bottom-sitting leveling boat according to any one of claims 1-6, characterized in that, The first support assembly also includes multiple pull-opening cylinders, which are embedded in the top surface of the pad beam and spaced apart along the length of the pad beam. The bottom and top of the pull-opening cylinders are connected to the pad beam and the leveling frame, respectively. The top of the hydraulic outrigger is connected to the leveling frame.

8. The support device for the leveling frame of the bottom-sitting leveling boat according to claim 7, characterized in that, The hydraulic cylinder includes a cylinder barrel and a piston rod arranged coaxially; one end of the cylinder barrel is hinged to a pad beam, and the other end is inserted with the piston rod; the piston rod includes a piston head and a connecting rod connected to each other, the piston rod is slidably connected to the cylinder barrel and dynamically sealed to the inner wall of the cylinder barrel, the connecting rod seal passes through the cylinder barrel and is hinged to the leveling frame, and the piston rod can reciprocate along the cylinder barrel axis.

9. The support device for the leveling frame of the bottom-sitting leveling boat according to claim 7, characterized in that, Multiple pads are protruding from the top surface of the pad beam; when the pull-opening cylinder retracts to the preset minimum stroke, the pads press against the bottom surface of the leveling frame.

10. The support device for the leveling frame of the bottom-sitting leveling boat according to claim 7, characterized in that, There are two hydraulic cylinders, which are located on both sides of the lifting cylinder in the middle of the pad beam.

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