CN114922673A - Multi-mode-adjusted parallel-row hydraulic oil cylinder - Google Patents

Abstract

The invention relates to the technical field of hydraulic oil cylinders, in particular to a multi-mode adjusting parallel-row hydraulic oil cylinder. The multi-mode adjusting tandem hydraulic oil cylinder comprises a base plate; the moving assembly is arranged on the bottom side of the base plate and comprises a fixing ring, a supporting plate, a crawler, a first hydraulic oil cylinder and a top plate. According to the multi-mode adjusting tandem hydraulic oil cylinder provided by the invention, the top plate and the crawler are in contact with the ground, at the moment, the extension or the contraction of the first hydraulic oil cylinder can be controlled again, the fixing ring can be reversely pushed by the extrusion force between the top plate and the ground while the first hydraulic oil cylinder extends or contracts, at the moment, the crawler can drive the whole base plate to move under the reverse acting force, and further, when the base plate is installed, the position of the base plate can be smoothly adjusted one by one from multiple angles, so that the base plate can be quickly and accurately moved to a required position, and the installation difficulty of the base plate can be greatly reduced.

Description

Multi-mode-adjusted parallel-row hydraulic oil cylinder

Technical Field

The invention relates to the technical field of hydraulic oil cylinders, in particular to a multi-mode adjusting parallel-row hydraulic oil cylinder.

Background

Hydraulic rams are an important component of hydraulic machines, and play the role of an actuator in the whole hydraulic machine, and convert hydraulic energy into mechanical energy in the whole process. According to the range of the application pressure, the hydraulic oil cylinder can be divided into three types of light pressure, medium pressure and heavy pressure.

The junction of the coal face and the stoping roadway under the coal mine is called an end head, and the support for the end part is called an end head support. The end part is the junction of the scraper conveyer, the transfer conveyor and other equipment and is also the throat part of the pedestrian passage, ventilation, material transportation and coal transportation. The quality of an end support is a key point for determining whether a working face can normally operate, and due to the fact that the space under a coal mine is relatively narrow and small, the size of an end suspension hydraulic support is relatively large, when the end suspension hydraulic support is installed, in order to accurately install the end suspension hydraulic support at an appointed position, various auxiliary tools are required to be used for assisting the movement of an end suspension hydraulic oil cylinder, and the whole installation process is relatively difficult.

Therefore, there is a need to provide a new multi-mode adjustable tandem hydraulic cylinder to solve the above technical problems.

Disclosure of Invention

In order to solve the technical problem, the invention provides a multi-mode adjusting tandem hydraulic oil cylinder.

The invention provides a multi-mode adjusting parallel hydraulic oil cylinder, which comprises:

a substrate;

the moving assembly is arranged on the bottom side of the base plate and comprises a fixing ring, supporting plates, a crawler belt, a first hydraulic oil cylinder and a top plate, the fixing ring is sleeved on a base on the bottom side of the base plate and is rotatably connected with the base, two symmetrically distributed supporting plates are fixedly arranged on the outer wall of the fixing ring, the crawler belt is arranged on the bottom sides of the two supporting plates, the first hydraulic oil cylinder is fixedly connected with one side of the outer wall of the fixing ring, and the top plate is fixedly connected with the end portion of the first hydraulic oil cylinder;

an auxiliary component mounted on a top side of the substrate;

and the protective assembly is arranged below the outer wall auxiliary assembly.

Preferably, the moving assembly further comprises a driving motor, a second hydraulic cylinder, an expansion link and a gear, the driving motor is fixedly mounted on the top side of one side of the supporting plate, the gear is fixedly connected with the output end of the driving motor, the expansion link is rotatably connected with the top side of the gear, and the second hydraulic cylinder is provided with a plurality of parts and is uniformly distributed on the supporting plates on the two sides.

Preferably, the protection component includes mounting panel, pump, first rotation motor and connecting block, mounting panel fixed mounting is on the outer wall of base plate, fixed connection's pump is installed to one side of mounting panel outer wall, fixed connection's first rotation motor is installed to the opposite side of mounting panel outer wall, just fixed connection's connecting block is installed to the output of first rotation motor.

Preferably, the protection component further comprises a second rotating motor, a winding rod and an air bag, the second rotating motor is fixedly installed at the end of the connecting block, the output end of the second rotating motor is provided with the winding rod fixedly connected with the output end of the second rotating motor, the outer wall of the winding rod is fixedly connected with one side wall of the air bag, the air bag is wound on the outer wall of the winding rod, and the air bag is connected with the inflator pump through an air guide tube.

Preferably, the auxiliary assembly comprises a fixing plate, clamping blocks, connecting bumps, an extrusion plate and pressure sensors, the clamping blocks are fixedly connected to the top side of the fixing plate, the bottom side of the fixing plate is fixedly connected with the extrusion plate through the connecting bumps, the pressure sensors are arranged on the bottom side of the extrusion plate, and the extrusion plate is slidably mounted on the top side of the base plate.

Preferably, the top ends of the second hydraulic cylinder and the telescopic rod are fixedly connected with the same support ring, a first connecting ring which is fixedly connected with the top side of the support ring is installed on the top side of the support ring, a second connecting ring which is connected with the first connecting ring in a rotating mode is sleeved on the outer wall of the first connecting ring, and the top side of the second connecting ring is fixedly connected with the bottom side of the substrate.

Preferably, the inner wall of the second connecting ring is provided with a connecting groove, the inner wall of the connecting groove is rotatably connected with the outer wall of the first connecting ring, and the connecting groove and the first connecting ring are both T-shaped.

Preferably, the outer wall of the base at the bottom of the substrate is sleeved with a fixedly connected linkage ring, the outer wall of the linkage ring is fixedly provided with a plurality of connecting teeth distributed annularly, and each connecting tooth is meshed with the gear.

Preferably, one side of the air bag far away from the winding rod is provided with a connecting sheet in fixed connection, one side wall of the connecting sheet far away from the air bag is fixedly provided with a plurality of convex rods, and each outer wall of each convex rod is provided with a fixedly connected anti-falling ring.

Preferably, a plurality of symmetrically distributed extension springs are fixedly mounted on two sides of the lower surface of the fixing plate, a fixedly connected baffle is mounted at the bottom end of each extension spring, and each baffle is uniformly positioned below the air bag.

Compared with the related art, the multi-mode adjusting parallel-row hydraulic oil cylinder provided by the invention has the following beneficial effects:

1. by arranging the moving assembly, in the later installation process, a worker can directly control the first hydraulic oil cylinder to drive the top plate to move outwards, when the top plate moves to a required position, the second hydraulic cylinder can be controlled to extend, at the moment, the second hydraulic cylinder can drive the top plate and the crawler belt to move downwards through the supporting plate and the fixing ring until the top plate and the crawler belt are both contacted with the ground, at the moment, the extension or the contraction of the first hydraulic cylinder can be controlled again, when the first hydraulic oil cylinder extends or contracts, the fixing ring can be reversely pushed by the extrusion force between the top plate and the ground, at the moment, the whole base plate can be driven by the crawler belt to move under the reverse acting force, when the substrate is installed, the position of the substrate can be smoothly adjusted one by one from multiple angles, so that the substrate can be quickly and accurately moved to a required position, and the installation difficulty of the substrate can be greatly reduced.

2. According to the invention, after the installation of the base plate is completed in the later stage of the protection assembly, the first rotating motor is directly controlled to rotate, the air bag can be moved to the gap between the two adjacent end heads of the suspension hydraulic support through the connecting block and the second rotating motor, the second rotating motor can be controlled to work at the moment, the contracted air bag is opened, the air bag is connected with the wall of the coal mine channel through the convex rod and the anti-falling ring at the end part of the air bag, the air bag can be controlled to be inflated through the inflator pump at the moment, so that the air bag is expanded, the gap between the two adjacent end heads of the suspension hydraulic support can be sealed through the expansion of the air bag, and further, the phenomenon that broken slag above the coal mine channel falls downwards through the gap to cause injury of workers can be prevented, so that the safety protection effect of the device can be increased.

3. According to the invention, the auxiliary assembly is arranged on the top side of the base plate, when the base plate is installed, the clamping block in the auxiliary assembly can be pushed into the coal mine channel by the base plate, the friction force between the top side of the base plate and the coal mine channel can be increased by clamping the clamping block, meanwhile, the pressure sensor is arranged below the pushing block through the extrusion plate, after the installation of the base plate is completed, the pressure sensor can transmit the detected numerical value to the terminal, and when a worker at the terminal finds that the numerical value of a certain pressure sensor changes, the condition detection can be carried out at the first time, so that the condition of collapse of the coal mine channel can be reduced to a certain extent.

Drawings

FIG. 1 is a schematic structural view of a preferred embodiment of a multi-mode adjustable tandem hydraulic cylinder according to the present invention;

FIG. 2 is a schematic view of the moving assembly shown in FIG. 1 from a first perspective;

FIG. 3 is a second perspective view of the movable assembly shown in FIG. 1;

FIG. 4 is a schematic structural view of the shield assembly shown in FIG. 1;

FIG. 5 is a schematic view of the connection between the auxiliary assembly and the shield assembly shown in FIG. 1;

FIG. 6 is a schematic top view of an interior portion of the auxiliary assembly of FIG. 5;

FIG. 7 is a partial schematic bottom view of the auxiliary assembly of FIG. 5;

FIG. 8 is a schematic view of the first link assembly shown in FIG. 2;

FIG. 9 is a partial schematic view of the interior of the secondary connecting ring shown in FIG. 8;

FIG. 10 is a schematic view of a portion of the interior of the first link ring of FIG. 8;

fig. 11 is a schematic structural view of the extension spring shown in fig. 1.

Reference numbers in the figures: 1. a substrate; 2. a moving assembly; 21. a fixing ring; 22. a support plate; 23. a crawler belt; 24. a first hydraulic cylinder; 25. a top plate; 26. a drive motor; 27. a second hydraulic cylinder; 28. a telescopic rod; 29. a gear; 3. an auxiliary component; 31. a fixing plate; 32. a clamping block; 33. a connection bump; 34. a pressing plate; 35. a pressure sensor; 4. an extension spring; 4a, a baffle plate; 5. a guard assembly; 51. mounting a plate; 52. an inflator pump; 53. a first rotating electric machine; 54. connecting blocks; 55. a second rotating electric machine; 56. winding the rod; 57. an air bag; 6. a first connecting ring; 6a, a support ring; 7. a link ring; 7a, connecting teeth; 8. a second connection ring; 8a, connecting grooves; 9. connecting sheets; 9a, a convex rod; 9b, anti-drop ring.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Specific implementations of the present invention are described in detail below with reference to specific embodiments.

Referring to fig. 1 to 11, in an embodiment of the present invention, a multi-mode adjustable tandem hydraulic cylinder includes: the device comprises a base plate 1, a moving assembly 2, an auxiliary assembly 3 and a protection assembly 5.

In an embodiment of the present invention, referring to fig. 1, fig. 2 and fig. 3, the moving assembly 2 is disposed at the bottom side of the base plate 1, the moving assembly 2 includes a fixing ring 21, support plates 22, a caterpillar band 23, a first hydraulic cylinder 24 and a top plate 25, the fixing ring 21 is sleeved on the base at the bottom side of the base plate 1 and is rotatably connected therewith, two support plates 22 are fixedly disposed on the outer wall of the fixing ring 21 and are symmetrically distributed, the caterpillar band 23 is disposed at the bottom side of each of the two support plates 22, the first hydraulic cylinder 24 is fixedly connected to one side of the outer wall of the fixing ring 21, the top plate 25 is fixedly connected to the end of the first hydraulic cylinder 24, the moving assembly 2 further includes a driving motor 26, a second hydraulic cylinder 27, an expansion link 28 and a gear 29, the driving motor 26 is fixedly mounted on the top side of the support plate 22 at one side, the output end of the driving motor 26 is mounted with the gear 29, the top side of the gear 29 is provided with a telescopic rod 28 which is rotatably connected, and the second hydraulic oil cylinders 27 are provided with a plurality of hydraulic oil cylinders which are uniformly distributed on the two side supporting plates 22.

It should be noted that: when the device is installed, a worker can control the first hydraulic oil cylinder 24 to drive the top plate 25 to move outwards, and can control the second hydraulic oil cylinder 27 to extend, at the moment, the second hydraulic oil cylinder 27 can drive the top plate 25 and the crawler 23 to move downwards through the supporting plate 22 and the fixing ring 21 until the top plate 25 and the crawler 23 are both in contact with the ground, at the moment, the extension or the contraction of the first hydraulic oil cylinder 24 can be controlled again, the fixing ring 21 can be pushed reversely through the extrusion force between the top plate 25 and the ground while the first hydraulic oil cylinder 24 extends or contracts, and at the moment, the crawler 23 can drive the whole base plate 1 to move under the reverse acting force;

in the process that the first hydraulic oil cylinder 24 drives the base plate 1 to move through extrusion force, a worker can also control the driving motor 26 to rotate, at the moment, the rotating driving motor 26 is meshed with the connecting teeth 7a through the gear 29 at the output end, and the linkage ring 7 is fixedly connected with the base of the base plate 1, so that the reverse acting force of the meshing force can drive the fixing ring 21 to rotate on the outer wall of the base plate 1 through the driving motor 26 and the supporting plate 22, and the angle of the first hydraulic oil cylinder 24 can be changed through the rotation of the fixing ring 21;

when the substrate 1 is installed, the position of the substrate 1 can be smoothly adjusted one by one from multiple angles, so that the substrate 1 can be quickly and accurately moved to a required position, and the installation difficulty of the substrate 1 can be greatly reduced;

meanwhile, the connecting teeth 7a are provided with the telescopic rods 28 which are rotatably connected, so that when the second hydraulic cylinder 27 stretches and retracts to move up and down, the telescopic rods 28 can stretch and retract simultaneously through the driving motor 26, and further the telescopic rods 28 can support the horizontal direction of the output end of the driving motor 26, so that the stability of the driving motor 26 in the rotating process can be improved;

and because the height of the linkage ring 7 is greater than the length of the telescopic moving track of the second hydraulic cylinder 27, when the second hydraulic cylinder 27 drives the driving motor 26 to move up and down, the gear 29 at the output end of the driving motor 26 can be always meshed with the connecting gear.

In an embodiment of the present invention, referring to fig. 4 and 5, the protection component 5 is disposed below the outer wall auxiliary component 3, the protection component 5 includes a mounting plate 51, an inflator pump 52, a first rotating motor 53 and a connecting block 54, the mounting plate 51 is fixedly mounted on the outer wall of the substrate 1, the inflator pump 52 is fixedly connected to one side of the outer wall of the mounting plate 51, the first rotating motor 53 is fixedly connected to the other side of the outer wall of the mounting plate 51, the connecting block 54 is fixedly connected to an output end of the first rotating motor 53, the protection component 5 further includes a second rotating motor 55, a winding rod 56 and an air bag 57, the second rotating motor 55 is fixedly mounted to an end of the connecting block 54, the winding rod 56 is fixedly connected to an output end of the second rotating motor 55, an outer wall of the winding rod 56 is fixedly connected to one side wall of the air bag 57, the air bag 57 is wound on the outer wall of the winding rod 56, and the air bag 57 is connected with the inflator 52 through an air duct.

It should be noted that: after the installation of the plurality of substrates 1 is completed, a worker can control the first rotating motor 53 to rotate, and the rotating first rotating motor 53 can drive the winding rod 56 to rotate through the connecting block 54 and the second rotating motor 55 until the air bag 57 on the outer wall of the winding rod 56 moves to a gap between the two adjacent end suspended hydraulic supports;

at this moment, the worker can control the second rotating motor 55 to work, the contracted air bag 57 is opened, after the air bag 57 is opened, the convex rod 9a and the anti-falling ring 9b at the end part of the air bag 57 can be connected with the wall of the coal mine channel by the aid of the air bag 57, after the air bag 57 is fixed, the air bag 57 can be inflated by the aid of the controllable inflator pump 52, the air bag 57 can be expanded, gaps of the adjacent end suspension hydraulic supports can be sealed by expansion of the air bag 57, the phenomenon that the worker is injured due to the fact that broken slag above the coal mine channel falls downwards through the gaps can be prevented by the air bag 57, and accordingly the safety protection effect of the device can be increased.

In an embodiment of the present invention, referring to fig. 5, 6 and 7, the auxiliary assembly 3 is mounted on the top side of the base plate 1, the auxiliary assembly 3 includes a fixing plate 31, a plurality of latch blocks 32, a plurality of connecting protrusions 33, a plurality of pressing plates 34 and pressure sensors 35, the top side of the fixing plate 31 is provided with the plurality of latch blocks 32, the bottom side of the fixing plate 31 is fixedly connected to the pressing plates 34 through the plurality of connecting protrusions 33, the bottom side of the pressing plates 34 is provided with the plurality of pressure sensors 35, and the pressing plates 34 are slidably mounted on the top side of the base plate 1.

It should be noted that: through the fixture block 32 arranged on the fixing plate 31, when the fixture block 32 is inserted into the top side of the coal mine channel, the fixture block 32 can increase the friction force between the top side of the base plate 1 and the coal mine channel, and meanwhile, because the pressure sensor 35 is arranged below the top block through the extrusion plate 34, after the base plate 1 is installed, the pressure sensor 35 can transmit the detected numerical value to the terminal, so that a terminal worker can master the pressure condition of coal mine access in real time.

In an embodiment of the present invention, referring to fig. 3 and fig. 7, a fixedly connected link ring 7 is sleeved on an outer wall of a base at a bottom side of the substrate 1, a plurality of annularly distributed connecting teeth 7a are fixedly mounted on an outer wall of the link ring 7, and each connecting tooth 7a is engaged with a gear 29.

It should be noted that: and because the linkage ring 7 is fixedly connected with the base of the base plate 1, when the driving motor 26 drives the gear 29 to rotate, the counter acting force of the meshing force of the gear 29 and the connecting teeth 7a can drive the fixing ring 21 to rotate on the outer wall of the base plate 1 through the driving motor 26 and the supporting plate 22, and the angle of the first hydraulic oil cylinder 24 can be changed through the rotation of the fixing ring 21.

In an embodiment of the present invention, referring to fig. 2, 8, 9 and 10, the top ends of the second hydraulic cylinder 27 and the telescopic rod 28 are both fixedly connected to a same support ring 6a, the top side of the support ring 6a is mounted with a first connection ring 6 fixedly connected thereto, the outer wall of the first connection ring 6 is sleeved with a second connection ring 8 rotatably connected thereto, the top side of the second connection ring 8 is fixedly connected to the bottom side of the base plate 1, the inner wall of the second connection ring 8 is provided with a connection groove 8a, the inner wall of the connection groove 8a is rotatably connected to the outer wall of the first connection ring 6, and the connection groove 8a and the first connection ring 6 are both "T" shaped.

It should be noted that: because the support ring 6a is rotatably connected with the bottom ends of the second hydraulic cylinder 27 and the telescopic rod 28, when the driving motor 26 works, the support ring 6a can smoothly drive the first connecting ring 6 to rotate on the inner wall of the second connecting ring 8;

and because the connecting groove 8a and the first connecting ring 6 are both "T" shaped, when the first connecting ring 6 rotates inside the connecting groove 8a, the connecting groove 8a can prevent the first connecting ring 6 from falling off in the rotating process, thereby increasing the stability between the first connecting ring 6 and the connecting groove 8 a.

In the embodiment of the present invention, referring to fig. 4, a fixedly connected connecting sheet 9 is installed on one side of the air bag 57 away from the rolling rod 56, a plurality of protruding rods 9a are fixedly installed on one side wall of the connecting sheet 9 away from the air bag 57, and a fixedly connected anti-falling ring 9b is installed on the outer wall of each protruding rod 9 a.

It should be noted that: through the setting of anticreep ring 9b of projecting rod 9a, when gasbag 57 expandes, the staff can insert projecting rod 9a on the outer wall of colliery passageway to make anticreep ring 9b imbed in the passageway and can make the smooth expansion of gasbag 57, consequently later stage when aerifing gasbag 57, can make the stable below that is located two base plate 1 junction gaps of gasbag 57.

In the embodiment of the present invention, referring to fig. 11, a plurality of symmetrically distributed extension springs 4 are fixedly mounted on two sides of the lower surface of the fixing plate 31, a baffle 4a fixedly connected to the bottom end of each extension spring 4 is mounted, and each baffle 4a is uniformly located below the airbag 57.

It should be noted that: through extension spring 4 and baffle 4 a's setting, the fixed back of gasbag 57 is being accomplished in the later stage, the staff can directly stretch extension spring 4 through baffle 4a, make the smooth below of removing to gasbag 57 of baffle 4a, extension spring 4 then can stretch baffle 4a through the elastic action of self when the staff loosens the tensile to baffle 4a, can make baffle 4a support the bottom side of gasbag 57, consequently can improve the bearing capacity of gasbag 57 to a certain extent.

The working principle of the multi-mode adjusting parallel hydraulic oil cylinder provided by the invention is as follows:

in the later period, when workers transport the end suspension hydraulic support to the interior of a coal mine channel through the transportation device for installation, firstly, the workers can directly control the first hydraulic oil cylinder 24 to drive the top plate 25 to move outwards, when the top plate 25 moves to a required position, the second hydraulic oil cylinder 27 can be controlled to extend, at the moment, the second hydraulic oil cylinder 27 can drive the top plate 25 and the crawler 23 to move downwards through the supporting plate 22 and the fixing ring 21 until the top plate 25 and the crawler 23 are both contacted with the ground, at the moment, the extension or the contraction of the first hydraulic oil cylinder 24 can be controlled again, when the first hydraulic oil cylinder 24 extends or contracts, the fixing ring 21 can be reversely pushed through the extrusion force between the top plate 25 and the ground, and at the moment, the crawler 23 can drive the whole base plate 1 to move under the reverse acting force;

in the process that the first hydraulic oil cylinder 24 drives the base plate 1 to move through extrusion force, a worker can also control the driving motor 26 to rotate, at the moment, the rotating driving motor 26 is meshed with the connecting teeth 7a through the gear 29 at the output end, and the linkage ring 7 is fixedly connected with the base of the base plate 1, so that the reverse acting force of the meshing force can drive the fixing ring 21 to rotate on the outer wall of the base plate 1 through the driving motor 26 and the supporting plate 22, and the angle of the first hydraulic oil cylinder 24 can be changed through the rotation of the fixing ring 21;

when the substrate 1 is installed, the position of the substrate 1 can be smoothly adjusted one by one from multiple angles, so that the substrate 1 can be rapidly and accurately moved to a required position, and the installation difficulty of the substrate 1 can be greatly reduced;

after the position of the base plate 1 is determined, the moving assembly 2 can be retracted, the base plate 1 is controlled to extend, the fixture block 32 in the auxiliary assembly 3 can be pushed into a coal mine channel while the base plate 1 extends, the friction force between the top side of the base plate 1 and the coal mine channel can be increased by clamping the fixture block 32, meanwhile, as the pressure sensor 35 is arranged below the top block through the extrusion plate 34, after the base plate 1 is installed, the pressure sensor 35 can transmit the detected value to the terminal, and a worker at the terminal can master the pressure condition of coal mine access in real time;

after the installation of the plurality of substrates 1 is completed, a worker can control the first rotating motor 53 to rotate, at the moment, the first rotating motor 53 can move the air bag 57 to a gap between the two adjacent end suspension hydraulic supports through the connecting block 54 and the second rotating motor 55, at the moment, the second rotating motor 55 can be controlled to work, so that the contracted air bag 57 is opened, the air bag 57 is connected with the wall of a coal mine passage through the convex rod 9a and the anti-falling ring 9b at the end part of the air bag 57, at the moment, the air bag 57 can be controlled to be inflated by the inflating pump 52, so that the air bag 57 is inflated, and the gap between the two adjacent end suspension hydraulic supports can be sealed through the inflation of the air bag 57;

after the completion is aerifyd gasbag 57, can be with extension spring 4 downwardly extending one by one, baffle 4a until extension spring 4 bottom moves below and gasbag 57 counterbalance, through extension spring 4 self tensile force this moment, can carry out further support to gasbag 57, increase gasbag 57's bearing capacity, and then can prevent that the disintegrating slag of colliery passageway top from dropping down through the clearance and causing the injured phenomenon of staff, consequently multiplicable this device's safety protection effect.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims (10)

1. The utility model provides a ally oneself with row's type hydraulic cylinder of multi-mode regulation which characterized in that includes:

a substrate (1);

the movable assembly (2) is arranged on the bottom side of the base plate (1), the movable assembly (2) comprises a fixing ring (21), support plates (22), a crawler belt (23), a first hydraulic oil cylinder (24) and a top plate (25), the fixing ring (21) is sleeved on a base on the bottom side of the base plate (1) and is rotatably connected with the base, the outer wall of the fixing ring (21) is fixedly provided with two symmetrically distributed support plates (22), the bottom sides of the two support plates (22) are respectively provided with the crawler belt (23), one side of the outer wall of the fixing ring (21) is provided with the first hydraulic oil cylinder (24) which is fixedly connected, and the end part of the first hydraulic oil cylinder (24) is provided with the top plate (25) which is fixedly connected;

an auxiliary component (3), the auxiliary component (3) being mounted on a top side of the substrate (1);

the protective component (5), the protective component (5) is arranged below the outer wall auxiliary component (3).

2. The multi-mode adjusting tandem hydraulic oil cylinder according to claim 1, wherein the moving component (2) further comprises a driving motor (26), a second hydraulic oil cylinder (27), an expansion link (28) and a gear (29), the driving motor (26) is fixedly installed on the top side of the supporting plate (22) on one side, the gear (29) is fixedly connected to the output end of the driving motor (26), the expansion link (28) is rotatably connected to the top side of the gear (29), and the second hydraulic oil cylinder (27) is provided with a plurality of hydraulic oil cylinders and is uniformly distributed on the supporting plates (22) on two sides.

3. The gang hydraulic cylinder of claim 1, characterized in that the protection component (5) comprises a mounting plate (51), an inflator pump (52), a first rotating motor (53) and a connecting block (54), the mounting plate (51) is fixedly mounted on the outer wall of the base plate (1), the inflator pump (52) is fixedly connected to one side of the outer wall of the mounting plate (51), the first rotating motor (53) is fixedly connected to the other side of the outer wall of the mounting plate (51), and the connecting block (54) is fixedly connected to the output end of the first rotating motor (53).

4. The tandem hydraulic oil cylinder with multi-mode adjustment according to claim 3, wherein the protection component (5) further comprises a second rotating motor (55), a winding rod (56) and an air bag (57), the second rotating motor (55) is fixedly installed at the end of the connecting block (54), the output end of the second rotating motor (55) is provided with the winding rod (56) which is fixedly connected, the outer wall of the winding rod (56) is fixedly connected with one side wall of the air bag (57), the air bag (57) is wound on the outer wall of the winding rod (56), and the air bag (57) is connected with the air pump (52) through an air duct.

5. The tandem hydraulic oil cylinder with multi-mode adjustment according to claim 1, wherein the auxiliary assembly (3) comprises a fixing plate (31), clamping blocks (32), connecting lugs (33), an extrusion plate (34) and pressure sensors (35), wherein a plurality of fixedly connected clamping blocks (32) are arranged on the top side of the fixing plate (31), the bottom side of the fixing plate (31) is fixedly connected with the extrusion plate (34) through the plurality of connecting lugs (33), a plurality of pressure sensors (35) are arranged on the bottom side of the extrusion plate (34), and the extrusion plate (34) is slidably mounted on the top side of the base plate (1).

6. The multi-mode adjusting tandem hydraulic oil cylinder according to claim 2, wherein the top ends of the second hydraulic oil cylinder (27) and the telescopic rod (28) are fixedly connected with the same support ring (6a), the top side of the support ring (6a) is provided with a fixedly connected first connecting ring (6), the outer wall of the first connecting ring (6) is sleeved with a rotatably connected second connecting ring (8), and the top side of the second connecting ring (8) is fixedly connected with the bottom side of the base plate (1).

7. The multi-mode adjustable gang hydraulic oil cylinder as claimed in claim 6, wherein the inner wall of the second connecting ring (8) is provided with a connecting groove (8a), the inner wall of the connecting groove (8a) is rotatably connected with the outer wall of the first connecting ring (6), and the connecting groove (8a) and the first connecting ring (6) are both T-shaped.

8. The multi-mode adjustment gang hydraulic oil cylinder as claimed in claim 2, characterized in that a fixedly connected linkage ring (7) is sleeved on the outer wall of the base at the bottom side of the base plate (1), a plurality of annularly distributed connecting teeth (7a) are fixedly mounted on the outer wall of the linkage ring (7), and each connecting tooth (7a) is meshed with a gear (29).

9. The tandem hydraulic oil cylinder with multi-mode adjustment according to claim 4, wherein a fixedly connected connecting piece (9) is installed on one side of the air bag (57) far away from the rolling rod (56), a plurality of convex rods (9a) are fixedly installed on one side wall of the connecting piece (9) far away from the air bag (57), and a fixedly connected anti-falling ring (9b) is installed on the outer wall of each convex rod (9 a).

10. The multi-mode adjusting tandem hydraulic oil cylinder according to claim 5, wherein a plurality of symmetrically distributed extension springs (4) are fixedly installed on two sides of the lower surface of the fixing plate (31), a fixedly connected baffle (4a) is installed at the bottom end of each extension spring (4), and each baffle (4a) is uniformly positioned below the air bag (57).

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