Paleontological fossil hoisting device capable of being flexibly adjusted

Abstract

The utility model relates to the technical field of hoisting equipment, in particular to a paleontological fossil hoisting device capable of being flexibly adjusted. The amplitude adjusting part comprises a plurality of gear boxes arranged at the top of the transverse plate at intervals, each gear box is provided with two driving shafts, the driving shafts of the gear boxes are each provided with a second winding wheel, and each second winding wheel is wound with a positioning belt penetrating through the transverse plate in a sliding mode. The fossils at different positions can be subjected to multi-point inclination and height adjustment in the assembling process through a positioning belt in the amplitude adjusting piece, the problem that the positions of the fossils deviate due to the fact that a traditional crane only depends on vehicle body movement or arm frame rotation is effectively solved, and the flexibility and adaptability of the device in the carrying and splicing operation are enhanced.

Description

TECHNICAL FIELD

[0001] The utility model relates to hoisting equipment technical field especially relates to a kind of flexible adjustment's paleontological fossil hoisting device. BACKGROUND

[0002] Paleontological fossil is formed by long geological action, non-renewable geological vestige, is the precious natural heritage of country, as the authentication of earth history, paleontological fossil is the scientific basis for studying the origin and evolution of biology etc..Therefore, in the process of protecting and researching these fossils, usually need to carefully transport and assemble into complete form the skeletal fossil fragments scattered in various places.Because the size of paleontological fossil is greatly different due to different species and preservation state, such as falcate dragon claw fossil length is about 30 centimeters, and giant turtle shell fossil length is about 3.96 meters, and weight reaches 1.25 tons.Then, the transport of weight paleontological fossil needs to be realized by the lifting, rotation and amplitude action of crane etc.

[0003] However, traditional crane is still not up to the task in the process of lifting paleontological fossil, because the position and angle of each part need to be frequently adjusted in the process of fossil assembly, and existing crane mainly relies on the rotation of vehicle center to adjust hoisting angle, which is prone to cause the relative position between fossil parts to deviate in operation, and often needs to be repeatedly adjusted by crane arm and vehicle collaborative action, which increases the workload of subsequent repositioning.In addition, traditional crane is difficult to flexibly control the inclination of hoisted object, which brings additional challenge to high-precision fossil assembly work.

[0004] In view of the above situation, it is necessary to provide a kind of flexible adjustment's paleontological fossil hoisting device. UTILITY MODEL CONTENT

[0005] In order to overcome the shortcomings existing in the prior art, technical problem: provide a kind of flexible adjustment's paleontological fossil hoisting device, can flexibly adjust the attitude and position of fossil according to actual needs, reduce unnecessary repeated operation, improve work efficiency, ensure the safety and integrity of fossil, realize the efficient transport and accurate assembly of fossil fragments.

[0006] Technical scheme as follows: a kind of flexible adjustment's paleontological fossil hoisting device, comprising:

[0007] Load-bearing frame (1);

[0008] Hoisting piece (2), is installed on the load-bearing frame (1);

[0009] Cross plate (31), cross plate (31) top and hoisting piece (2) are connected;

[0010] The amplitude adjusting part (4) comprises a plurality of gearboxes (41) arranged at intervals on the top of the horizontal plate (31), each of the gearboxes (41) is provided with two driving shafts, a winding wheel two (42) is arranged on each of the driving shafts of the gearbox (41), a positioning belt (44) is wound on each of the winding wheel two (42) and slides through the horizontal plate (31), the positioning belt (44) is used for loading the fossil to be lifted, the ends of two positioning belts (44) in the same group are connected, and a servo motor two (43) is arranged on the outer shell of the gearbox (41), and the output shaft of the servo motor two (43) is connected with one of the driving shafts adjacent to the output shaft.

[0011] Optionally, the angle adjusting part (3) comprises a horizontal plate (31), a connecting barrel (32) is arranged on the top of the horizontal plate (31), the connecting barrel (32) is rotationally connected with the lifting part (2), a servo motor one (33) with the output shaft downward is arranged on the lifting part (2), and the output shaft of the servo motor one (33) is connected with the connecting barrel (32).

[0012] Optionally, the lifting part (2) comprises a double-shaft motor (21), the double-shaft motor (21) is symmetrically arranged on the load-bearing frame (1), a winding wheel one (22) is arranged at the two ends of the output shaft of the double-shaft motor (21), and a lifting rope (23) is wound between the opposite two winding wheels one (22); the supporting column (24) is provided with one supporting column (24), the supporting column (24) is rotationally provided with a pulley (25) on the two sides, the lifting rope (23) is also wound around the pulley (25) on the same side, the connecting barrel (32) is rotationally connected with the bottom end of the supporting column (24), and the servo motor one (33) is fixedly arranged on the supporting column (24).

[0013] Optionally, the gear position assembly (7) comprises a support (71) arranged on the bottom of the horizontal plate (31) on both sides, a bidirectional screw rod (72) is rotationally arranged between the two sides of the support (71), a baffle (73) is symmetrically and threadedly connected on the bidirectional screw rod (72), and the two baffles (73) on the same side are respectively located on one side of the bidirectional screw rod (72) in a threaded manner.

[0014] Optionally, a groove (74) is formed on the side of the baffle (73) of the same support (71) facing each other.

[0015] Optionally, the air bag (8) is arranged on the bottom of the horizontal plate (31), and a gas nozzle (81) is arranged on the air bag (8).

[0016] Optionally, the bottom of the load-bearing frame (1) is provided with a drive wheel (11) at both ends.

[0017] The utility model discloses a beneficial effect is: 1, the utility model range adjusting spare's positioning belt possesses independent function of retraction, can carry out multiple point position inclination and height adjustment to multiple different parts's fossil in the assembly process, effectively avoid the fossil position deviation problem caused by traditional crane only relying on vehicle body movement or arm frame rotation, significantly improve the posture controllability in hoisting process, enhance the flexibility and adaptability of device in complex form fossil handling and splicing operation.

[0018] 2, the utility model discloses the integrated design of angle adjusting spare and range adjusting spare, realize all -round regulation and control to paleontological fossil hoisting posture, wherein servo motor one can drive the rotation of connecting cylinder and horizontal plate, make the fossil of loading around the center free rotation, to accurately adjust the overall angle according to actual hoisting demand.

[0019] 3, the utility model discloses through the synchronous movement of two baffle plates of bidirectional screw rod drive in gear assembly, can carry out accurate location to the head or tail end or splicing part of hoisting fossil, prevent the damage or splicing deviation of fossil caused by shaking or deviation in handling process, to effectively improve the operation safety and assembly precision.

[0020] 4, the utility model discloses the air bag structure in horizontal plate bottom, can be fitted in hoisting process fossil surface, provide adaptive support, and when being impacted by external force, play good buffering and shock absorption effect, effectively prevent the fossil damage caused by mechanical vibration or collision, further strengthen the protection ability to precious fossil. DRAWINGS

[0021] Figure 1 It is the three-dimensional structure schematic view of the utility model.

[0022] Figure 2 It is the three-dimensional structure schematic view of the utility model hoisting piece, range adjusting spare and locking piece.

[0023] Figure 3 It is the three-dimensional structure sectional view of each part of the utility model hoisting piece.

[0024] Figure 4 It is the three-dimensional structure sectional view of the part of locking piece and angle adjusting spare of the utility model.

[0025] Figure 5 It is the plane structure sectional view of each part of the utility model locking piece.

[0026] Figure 6 It is the three-dimensional structure schematic view of each part of the utility model dislocation assembly.

[0027] Figure 7 This is a three-dimensional structural cross-sectional view of the gas transmission pipe and fastening component of this utility model.

[0028] Figure 8 This is a three-dimensional structural diagram of the gear shift assembly and airbag of this utility model.

[0029] In the attached diagram, the markings are as follows: 1: Support frame; 11: Drive wheel; 2: Lifting component; 21: Dual-axis motor; 22: Winding reel one; 23: Lifting rope; 24: Support column; 25: Pulley; 3: Angle adjustment component; 31: Horizontal plate; 32: Connecting cylinder; 33: Servo motor one; 4: Amplitude adjustment component; 41: Gearbox; 42: Winding reel two; 43: Servo motor two; 44: Positioning belt; 5: Locking component; 5 1: Fastener 1; 511: Cavity; 512: Air hole; 513: Moving plate; 514: Elastic element; 515: Insert rod 1; 52: Fastener 2; 53: Insert rod 2; 54: Slot; 6: Disengagement assembly; 61: Inflatable frame; 62: Air pump; 63: Air pipe; 7: Gear assembly; 71: Bracket; 72: Two-way lead screw; 73: Baffle; 74: Groove; 8: Airbag; 81: Air nozzle. Detailed Implementation

[0030] The embodiments of this utility model will be described below with reference to the accompanying drawings.

[0031] Example: A flexible adjustable paleontological fossil hoisting device, such as... Figures 1-4 As shown, it includes:

[0032] The load-bearing frame 1 adopts an arched truss structure, which has good load-bearing and support performance. Both ends of the bottom of the load-bearing frame 1 are equipped with drive wheels 11. The drive wheels 11 have integrated drive components, which can realize the autonomous movement of the device and ensure the flexible and stable operation of the entire device in the working area.

[0033] Lifting component 2, installed on the load-bearing frame 1, is responsible for controlling the lifting operation of the paleontological fossils and is the core actuator for achieving stable lifting and lowering of the fossils;

[0034] Angle adjustment component 3 includes a horizontal plate 31 extending forward and backward. A hollow connecting cylinder 32 is fixedly installed on the top of the horizontal plate 31. The connecting cylinder 32 is rotatably connected to the lifting part of the hoisting component 2, allowing the horizontal plate 31 to rotate freely. A servo motor 33 with its output shaft facing downward is installed on the lifting part of the hoisting component 2. The output shaft of the servo motor 33 is connected to the connecting cylinder 32. By driving the connecting cylinder 32 to rotate through the servo motor 33, the angle of the horizontal plate 31 or the fossils on it can be precisely adjusted, ensuring that the fossils can be accurately positioned to a suitable position for hoisting and splicing during transportation and assembly.

[0035] The amplitude adjustment component 4 includes four gearboxes 41 fixedly mounted at intervals on the top of the horizontal plate 31. Each gearbox 41 has two drive shafts, and a winding wheel 42 is respectively mounted on the drive shaft of the gearbox 41. Each winding wheel 42 is wound with a positioning belt 44 that slides through the horizontal plate 31 for loading the fossil to be lifted. The ends of the two positioning belts 44 in the same group are connected. Specifically, the two positioning belts 44 in the same group can be connected by buckles or existing quick connectors or by other detachable and fixed connections. The two positioning belts 44 can also be fixedly connected. Each gearbox 41 is equipped with a servo motor 43. The output shaft of each servo motor 43 is connected to one of the adjacent drive shafts. The servo motor 43 serves as a power source and can accurately control the rotation direction and speed of the winding wheel 42. In conjunction with the gearbox 41, it can synchronously drive the positioning belts 44 on both sides to achieve retraction and extension, so that the fossil remains in a stable and controllable state during the lifting process, so as to make position adjustments.

[0036] Furthermore, the positioning belt 44 adopts a multi-set, spaced arrangement, enabling multi-point collaborative operation during handling or assembly hoisting. Depending on actual needs, multiple sets of positioning belts 44 can be independently or collaboratively bound and fixed, forming a multi-point binding coordination when fixing fossils, ensuring stability when simultaneously lifting, handling, or assembling multiple fossil parts. At the same time, the positioning belt 44 adopts a wide belt design and allows for sliding sleeve structures to reduce friction between the positioning belt 44 and the contact surface of the fossil body. This ensures hoisting strength while reducing the risk of surface damage caused by friction, achieving dual protection for the fossil.

[0037] Specifically, the combination of angle adjustment component 3 and amplitude adjustment component 4 provides a comprehensive dynamic adjustment capability for the hoisted paleontological fossils. First, angle adjustment component 3 is responsible for adjusting the overall angle, allowing the fossils to rotate around the center point of the device to achieve a more suitable hoisting state. Amplitude adjustment component 4, through the interval distribution and retraction operation of positioning belts 44, and the combination of multiple independent gearboxes 41 and winding wheels 42 set on the horizontal plate 31, realizes the synchronous or individual retraction and retraction of positioning belts 44 at different positions, thereby flexibly adjusting the tilt amplitude and height distribution of the loaded fossils during the assembly process.

[0038] Through the above structural design and functional coordination, the device exhibits an integrated workflow during fossil handling and assembly, effectively ensuring the safety of fossils during movement, significantly reducing the risk of damage caused by improper operation, and improving assembly efficiency and precision. This allows various fossil components to be accurately connected and stably assembled, ultimately forming a complete and structurally sound display or research sample. It further simplifies the traditional manual operation process, reduces reliance on manpower, and flexibly meets the diverse needs of complex fossils in handling and assembly scenarios.

[0039] like Figure 2 and Figure 3 As shown, the hoisting component 2 includes a dual-axis motor 21. The dual-axis motor 21 is symmetrically mounted on the top of the support frame 1. Each of the output shafts at the front and rear ends of the dual-axis motor 21 is equipped with a winding wheel 22. The two opposite winding wheels 22 are connected together by a hoisting rope 23. The dual-axis motor 21 drives the winding wheels 22 to rotate, thereby realizing the hoisting rope 23 winding and unwinding operation. It also includes a support column 24. The support column 24 has one support, and pulleys 25 are rotatably mounted on both the front and rear sides of the support column 24. The hoisting rope 23 is also wrapped around the pulleys 25 on the same side. The connecting cylinder 32 is rotatably connected to the bottom end of the support column 24. The servo motor 33 is fixed on the support column 24. After the hoisting rope 23 is guided by the pulleys 25, it drives the support column 24 and its connecting parts to move up and down, thereby realizing the lifting operation of the entire device.

[0040] like Figure 1 , Figure 2 , Figures 4-7 As shown, it also includes a locking component 5, which includes a first fastener 51 and a second fastener 52 respectively disposed at the ends of the two positioning bands 44 in the same group. The first fastener 51 and the corresponding second fastener 52 are arranged vertically opposite each other to achieve mutual fastening connection. Both the first fastener 51 and the second fastener 52 are provided with a second insert rod 53 and a slot 54 that is adapted to the corresponding second insert rod 53 for quick locking and separation.

[0041] Furthermore, a vent 512 is provided on the left side of the fastening member 51, and a cavity 511 communicating with the vent 512 is provided inside the cavity 511. A movable plate 513 that can slide left and right is provided in the cavity 511. A sliding rod 515 that passes through the fastening member 51 is provided on the right side of the movable plate 513. The movable plate 513 divides the corresponding cavity 511 into left and right parts. As the movable plate 513 slides left and right, the rod 515 also moves synchronously. The rod 515 is inserted into the adjacent fastening member 52 (which has a hole adapted to the rod 515). An elastic member 514 is provided between the movable plate 513 and the inner wall of the corresponding cavity 511. In this embodiment, the elastic member 514 is a spring, which is used to provide the elastic force required for the movable plate 513 and the rod 515 to reset.

[0042] like Figure 1 , Figure 6 and Figure 7As shown, it also includes a disengagement component 6, which includes an inflatable frame 61 located on the left side of the horizontal plate 31. An air pump 62 is installed on the inflatable frame 61, and the air outlet of the air pump 62 is connected to the inflatable frame 61. An air supply pipe 63 is provided on the inflatable frame 61, which is adapted to the number and layout of the fastening parts 51. The ends of the air supply pipes 63 are connected to the adjacent fastening parts 51 and communicate with the corresponding cavities 511. The air outlets of the air supply pipes 63 are all located on the right side of the corresponding cavities 511, ensuring that the injected airflow can act on the right force-bearing surface of the moving plate 513, pushing the moving plate 513 to slide to the left, causing the insertion rod 515 to retract, thereby releasing the locking state between the fastening part 52 and realizing the automated unlocking control of the locking part 5. It is particularly suitable for scenarios where the positioning belt 44 needs to be quickly released after the fossil is transported or assembled, reducing manual operation and thus improving the overall work efficiency and safety.

[0043] like Figure 1 and Figure 8 As shown, it also includes a stop assembly 7, which includes brackets 71 respectively set on the front and rear sides of the bottom of the horizontal plate 31. A bidirectional screw 72 is rotated between the left and right sides of the brackets 71, and two threaded sections with opposite directions are symmetrically provided on it. Baffles 73 are symmetrically threaded on the bidirectional screw 72. The baffles 73 on the opposite side of the same bracket 71 have grooves 74 for accommodating the fossil splicing part or auxiliary tubular support structure. The two baffles 73 on the same side are respectively located on one side of the bidirectional screw 72. By rotating the bidirectional screw 72, the two baffles 73 are driven to move synchronously towards or away from each other, so as to achieve precise positioning of the beginning and end or key parts of the hoisted fossil and prevent displacement or shaking during transportation.

[0044] like Figure 1 and Figure 8 As shown, it also includes an airbag 8. An airbag 8 is provided at the bottom of the horizontal plate 31. An air nozzle 81 for inflation or deflation is provided on the airbag 8. The airbag 8 is arranged at the bottom of the horizontal plate 31 and above the loaded fossil. The airbag 8 can automatically deform according to the shape of the fossil, fit the irregular surface, enhance the support stability, and play a buffering and shock absorption role during hoisting, reducing the risk of fossil damage caused by mechanical impact.

[0045] Before handling the paleontological fossils, the device must first be moved to the hoisting area where the target fossil is located. At this point, the drive wheel 11 moves the entire device until it reaches the appropriate position. Then, the dual-axis motor 21 is started, driving the winding wheel 22 to rotate, thus releasing the hoisting rope 23. Simultaneously, with the guidance of the pulley 25, the support column 24 moves up and down as the hoisting rope 23 is released and retracted. By controlling the release process, the support column 24 and its connecting components move downwards together until the horizontal plate 31 descends to the appropriate hoisting height.

[0046] Once the horizontal plate 31 reaches the predetermined height, the servo motor 33 is activated, driving the connecting cylinder 32 to rotate, thereby causing the horizontal plate 31 to rotate synchronously and achieve angle adjustment. The adjustment process continues until the positioning strap 44 is in a suitable position for hoisting the paleontological fossil, so that the positioning strap 44 can be subsequently wrapped around and fixed to the fossil body. Then, the positioning strap 44 can be wrapped around the fossil to be transported and securely fastened using the locking parts 5 on both sides (including fastener 51 and fastener 52).

[0047] The specific fixing operation is as follows: First, push the first insertion rod 515 to retract it into the corresponding cavity 511, causing the connected moving plate 513 to move synchronously, thereby compressing the elastic element 514 to deform it. At the same time, the space inside the cavity 511 is squeezed, and then the squeezed gas is discharged through the air hole 512 to ensure that the first insertion rod 515 is smoothly pushed in. Then, directly align the second insertion rod 53 of the first fastening part 51 and the second fastening part 52 with the corresponding slot 54 and press them together. Then, release the first insertion rod 515. Under the action of the reset elastic force of the elastic element 514, the moving plate 513 and the first insertion rod 515 return to their original positions, so that the first insertion rod 515 is inserted into the corresponding hole of the second fastening part 52, thereby achieving stable locking of the two and ensuring that the positioning band 44 firmly fixes the fossil body.

[0048] Repeat the above operation, sequentially wrapping and fixing multiple positioning straps 44 around and onto different positions of the fossil to be transported, forming a stable multi-point support structure. Then, start the servo motor 43, driving the gearbox 41 to rotate, which in turn drives the winding wheel 42 to rotate, thereby controlling the length of the positioning straps 44. This causes the positioning straps 44 to gradually tighten, bringing the fossil into contact with the airbag 8 above. The airbag 8 can adaptively deform according to the contour of the fossil, thus working with the positioning straps 44 to clamp and protect the fossil from above and below, enhancing the stability of the hoisting.

[0049] After all preparations are completed, the drive wheel 11 is restarted to move the entire device and the hoisted fossil to the target assembly area. Upon reaching the designated position, the fossil's descent height is adjusted to prepare for unloading. At this time, the air pump 62 is activated to inject gas into the inflation frame 61 and the air supply pipe 63. The gas further enters the cavities 511 of each fastener 51, pushing the moving plate 513 towards the air hole 512, causing the elastic element 514 to be further compressed. The insertion rod 515 then retracts into the cavity 511, releasing the locking state of the fastener 52. Under gravity, the insertion rod 53 disengages from the slot 54, separating the fastener 51 from the fastener 52, achieving automatic release and thus releasing the fossil.

[0050] The staff can then sort and assemble the fossils that have been moved to their positions. For fossil parts that need to be assembled, tubular objects are usually used for preliminary shaping and assembly to ensure that the parts can fit together.

[0051] During the assembly and hoisting process, one or two sets of positioning straps 44 can be used to stabilize the position of a fossil section as needed, and the interconnected fossil sections can be arranged in sequence. The above handling and hoisting operations are then repeated. After determining the position of the positioning straps 44 and the fossil, they are secured around the fossil using the positioning straps 44, and then locked using the locking device 5. Next, the double-ended screw 72 is turned, and the threads cause the two baffles 73 on it to move, thereby adjusting the distance between the baffles 73 and further limiting and fixing the fossils at both ends. Simultaneously, the ends of the tubular components used for splicing will pass between the grooves 74 on both sides, further enhancing the overall stability during hoisting and preventing the fossils from shifting.

[0052] Subsequently, lifting component 2 is activated to lift the fossil as a whole. During this process, angle adjustment component 3 and amplitude adjustment component 4 are simultaneously activated to dynamically adjust the fossil's posture during lifting. Servo motor 1 33 drives the connecting cylinder 32 to rotate, thereby achieving circumferential adjustment of the fossil's overall angle, facilitating precise calibration of the installation position; while servo motor 2 43 drives the winding wheel 2 42 to rotate through gearbox 41, achieving control over the retraction and extension of positioning belt 44, thereby adjusting the fossil's tilt angle and height to achieve the ideal splicing angle between adjacent fossils; airbag 8 remains in close contact with the fossil surface throughout the process, providing cushioning protection to prevent damage caused by collisions or vibrations, thus significantly improving assembly accuracy and safety. After all adjustments are completed, disengagement component 6 is activated to release the constraints of locking component 5, allowing the fossil to smoothly descend to the preset position, completing the final assembly.

[0053] In summary, this device realizes an integrated operation process for paleontological fossils, from handling, hoisting, angle adjustment, splicing and positioning to automatic unlocking. It has the advantages of high efficiency, safety and strong controllability, and is flexibly applicable to the handling and assembly of fossils of various complex shapes.

[0054] The above description is merely an embodiment of this utility model and is not intended to limit the scope of this utility model. All equivalent substitutions made within the principles of this utility model should be included within the protection scope of this utility model. Contents not described in detail in this utility model are existing technologies known to those skilled in the art.

Claims

1. A flexible adjustable palaeontological fossil hoisting device, characterised in that, Include: Load frame (1); Hoisting piece (2) is installed on the load frame (1); Cross plate (31), the top of the cross plate (31) is connected with the hoisting piece (2); Amplitude adjusting part (4), the amplitude adjusting part (4) includes a plurality of gear boxes (41) arranged at intervals on the top of the cross plate (31), each gear box (41) has two drive shafts, a winding wheel two (42) is arranged on the drive shaft of the gear box (41), respectively, a positioning belt (44) is wound on each winding wheel two (42), the positioning belt (44) is arranged on the cross plate (31) and is used for loading the fossil to be lifted, the ends of two positioning belts (44) in the same group are connected, and a servo motor two (43) is arranged on the shell of the gear box (41), the output shaft of the servo motor two (43) is connected with the adjacent drive shaft.

2. A flexible adjustable palaeontological fossil hoisting device according to claim 1, characterised in that, It also includes an angle adjusting part (3), the angle adjusting part (3) includes a cross plate (31), the top of the cross plate (31) is provided with a connecting barrel (32), the connecting barrel (32) is rotatably connected with the lifting part of the hoisting piece (2), and a servo motor one (33) with the output shaft downward is installed on the lifting part of the hoisting piece (2), the output shaft of the servo motor one (33) is connected with the connecting barrel (32).

3. A flexible adjustable palaeontological fossil hoist as claimed in claim 2, wherein, The hoisting piece (2) includes a double shaft motor (21), the load frame (1) is symmetrically provided with a double shaft motor (21), one winding wheel one (22) is installed at both ends of the output shaft of the double shaft motor (21), and the lifting rope (23) is wound between the opposite two winding wheel ones (22); it also includes a support column (24), the support column (24) is provided with one, the support column (24) is rotatably provided with a pulley (25) on both sides, the lifting rope (23) is also wound around the pulley (25) on the same side, and the connecting barrel (32) is rotatably connected with the bottom end of the support column (24), and the servo motor one (33) is fixedly arranged on the support column (24).

4. The flexible adjustable paleontological fossil hoist of claim 1, wherein, It also includes a gear position assembly (7), the gear position assembly (7) includes a support (71) arranged on the bottom of the cross plate (31) on both sides, respectively, a bidirectional screw rod (72) is rotatably arranged between the two sides of the support (71), a baffle (73) is symmetrically screwed on the bidirectional screw rod (72), and the two baffles (73) on the same side are located on one side of the bidirectional screw rod (72) respectively.

5. A flexible adjustable palaeontological fossil hoist as claimed in claim 4, wherein, The recess (74) is formed on the side of the baffle (73) of the same support (71) facing each other.

6. The flexible adjustable paleontological fossil hoist of claim 1, wherein, It also includes an air bag (8), the bottom of the cross plate (31) is provided with an air bag (8), and a gas nozzle (81) is arranged on the air bag (8).

7. The flexible adjustable paleontological fossil hoist of claim 1, wherein, The bottom of the load frame (1) is provided with a driving wheel (11) at both ends.

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