Photovoltaic folding assembly and unfoldable photovoltaic assembly unit

Abstract

The utility model relates to the field of photovoltaic technology, and specifically discloses a photovoltaic folding assembly and an unfoldable photovoltaic assembly, and the photovoltaic folding assembly comprises two groups of photovoltaic folding plates which are in running fit, and rotating hinges which are installed at the end parts of the photovoltaic folding plates and are in running fit with the photovoltaic folding plates. The photovoltaic assembly unit comprises a base, two groups of photovoltaic folding units mounted on the base, and a driving unit used for driving the two groups of photovoltaic folding units to rotate around the X-axis direction so as to approach or leave each other; the utility model further discloses a use method of the photovoltaic assembly unit, the two groups of photovoltaic folding assemblies are driven by the driving unit to be folded, so that more photovoltaic assembly units can be accommodated in the same container; the two photovoltaic folding assemblies are driven by the driving unit to be unfolded, the two photovoltaic folding plates in the same photovoltaic folding assembly are rotationally unfolded through the rotating hinges, the photovoltaic folding plates are unfolded again in a book mode, and the large-scale electricity utilization requirement can be met.

Description

TECHNICAL FIELD

[0001] The utility model relates to photovoltaic technology field more particularly relates to a kind of photovoltaic folding assembly, deployable photovoltaic assembly. BACKGROUND

[0002] In remote areas, such as tunnel excavation engineering or construction site, ordinary industrial power is difficult to provide power in a short period of time, and more often needs to use diesel generators and other equipment to generate electricity. Diesel generators have the problems of noise and pollution in use, and the cost of diesel consumption is not cheap, which makes photovoltaic power generation a kind of alternative choice. Tunnel construction period will not be too long, and the construction site will be transferred, so it is not suitable to make too much construction investment on power consumption; At the same time, the daily power consumption of the above working condition is large, and the total installed capacity of photovoltaic power generation must reach a certain scale.

[0003] In the existing photovoltaic field, the traditional centralized photovoltaic operation and maintenance is complex and has high technical requirements, and the initial investment is huge; While the distributed photovoltaic installed capacity is small, which cannot meet the large-scale power demand.

[0004] Therefore, a photovoltaic form that can better meet various needs has become a problem to be solved. UTILITY MODEL CONTENT

[0005] The technical problem to be solved by the utility model is to provide a kind of photovoltaic folding assembly and deployable photovoltaic assembly;

[0006] The solution adopted by the utility model to solve the technical problem is:

[0007] A kind of photovoltaic folding assembly, including two groups of structure same and rotation cooperation photovoltaic folding plate, installation in the end of photovoltaic folding plate and with the rotation cooperation of photovoltaic folding plate rotation hinge;Each group photovoltaic folding plate includes with rotation hinge connection and rotation cooperation intermediate plate, two groups of respectively with the both sides of intermediate plate one-to-one corresponding setting and hinged cooperation outer side plate, and for the locking piece that intermediate plate, outer side plate is folded in laminated form.

[0008] In some possible embodiments, two groups of outer side plates include plate one hinged with one side of intermediate plate, plate two hinged with the other side of intermediate plate and same structure with plate one;After folding, the plate two is located between plate one and intermediate plate.

[0009] In some possible embodiments, the locking piece includes hinge lug one installed on the outer side of intermediate plate and connected with plate one, hinge lug two installed on the outer side of the other side of intermediate plate and connected with plate two.

[0010] In some possible embodiments, a bracket connected with rotation hinge is provided on the top of the intermediate plate.

[0011] An unfoldable photovoltaic assembly unit, comprising a base, two groups of photovoltaic folding units installed on the base and having the same structure, a driving unit in transmission cooperation with the two groups of photovoltaic folding units and used for driving the two groups of photovoltaic folding units to rotate around the X-axis direction to realize mutual approaching or moving away.

[0012] The photovoltaic folding unit comprises a transmission member in hinged cooperation with the base and in transmission cooperation with the driving unit, and a photovoltaic folding assembly connected with the transmission member and as described above.

[0013] In some possible embodiments, the transmission member is connected with the bottom of the middle plate on the side away from each other of the two groups of photovoltaic folding units.

[0014] The transmission member comprises a crank hinged arm in hinged cooperation with the base and in transmission cooperation with the driving unit, and a transmission arm in hinged cooperation with the base and connected with the middle plate; the base is provided with a hinged seat in hinged cooperation with the crank hinged arm and the transmission arm, respectively; the crank hinged arm is connected with the end of the middle plate away from the hinge.

[0015] In some possible embodiments, the crank hinged arm comprises a crank arm in the shape of a crank and connected with the middle plate, and a transmission shaft installed on the side of the crank arm away from the middle plate and connected with the driving unit; the axial direction of the transmission shaft is arranged along the X-axis direction.

[0016] In some possible embodiments, the driving unit comprises a hydraulic driving cylinder in transmission connection with the two groups of crank hinged arms respectively and used for controlling the rotation of the crank hinged arms around the X-axis direction, and a hydraulic system connected with the two groups of hydraulic driving cylinders respectively; when the two groups of photovoltaic folding units are completely unfolded or stored, the long direction of the piston rod of the hydraulic driving cylinder is arranged along the Y-axis direction.

[0017] A use method of the above-described unfoldable photovoltaic assembly unit, when folding the photovoltaic assembly unit unfolded horizontally, specifically comprising the following steps:

[0018] Step S1: folding the plate one and the plate two in each group of photovoltaic folding plates and locking by using a locking member;

[0019] Step S2: rotating the group of photovoltaic folding plates not hinged with the base by 180° around the hinge, so that the two groups of photovoltaic folding plates in each group of photovoltaic folding units are arranged in a stacked manner;

[0020] Step S3: synchronously controlling the piston cylinder of the two groups of hydraulic driving cylinders to be elongated by the hydraulic system, driving the two groups of crank hinged arms to rotate around the X-axis direction, driving the two groups of photovoltaic folding units to approach each other around the X-axis to realize folding and contraction, and completing the folding and contraction when the two groups of photovoltaic folding units are arranged along the Z-axis direction.

[0021] Conversely, the implementation is for the folded photovoltaic module unit to unfold.

[0022] Compared with the prior art, the utility model has the advantages of:

[0023] The utility model discloses a drive unit drives two photovoltaic folding assemblies to fold, so that in the same container, more photovoltaic module units can be accommodated.

[0024] The utility model discloses a drive unit drives two photovoltaic folding assemblies to unfold, and the rotation of hinge realizes the rotation of two photovoltaic folding plates in the same photovoltaic folding assembly, and the photovoltaic folding plate is unfolded like a book, so that when using, large -scale electricity demand can be provided. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is the structure schematic diagram of photovoltaic module unit in the utility model;

[0026] Figure 2 It is the structure schematic diagram of photovoltaic folding assembly in the utility model;

[0027] Figure 3 It is the structure schematic diagram when the photovoltaic folding assembly of the utility model unfolds;

[0028] Figure 4 It is the structure schematic diagram when two photovoltaic folding assembly units of the utility model unfold;

[0029] Figure 5 It is the structure schematic diagram of piston rod, crank hinge arm and base when two photovoltaic folding assembly units unfold in the utility model;

[0030] Figure 6 It is the structure schematic diagram of intermediate process when two photovoltaic folding assembly units unfold or fold in the utility model;

[0031] Figure 7 It is the structure schematic diagram of piston rod, crank hinge arm and base in the intermediate process when two photovoltaic folding assembly units unfold or fold in the utility model;

[0032] Figure 8 It is the structure schematic diagram when two photovoltaic folding assembly units of the utility model fold;

[0033] Figure 9 It is the structure schematic diagram of piston rod, crank hinge arm and base when two photovoltaic folding assembly units fold in the utility model;

[0034] Figure 10 It is the structure schematic diagram when the photovoltaic module unit of the utility model can unfold unfolds;

[0035] Figure 11 It is the internal structure schematic view of the driving unit in the utility model;

[0036] Figure 12 It is the principle view of the hydraulic system in the utility model;

[0037] Figure 13 It is the structure schematic view of folding and storing multiple photovoltaic assembly units in the utility model in the container;

[0038] Figure 14 It is the schematic view of the connection between the middle plate and the supporting rod when two middle plates in the photovoltaic folding assembly are unfolded;

[0039] Wherein: 1, photovoltaic folding plate; 11, middle plate; 12, plate one; 13, plate two; 14, locking piece; 141, hinge ear one; 142, hinge ear two; 2, hinge; 3, base; 31, hinge seat; 4, driving unit; 41, hydraulic driving cylinder; 411, piston rod; 42, hydraulic system; 421, hydraulic power unit; 422, electromagnetic valve; 423, shunt valve; 424, throttle valve; 43, electric control system; 5, photovoltaic folding unit; 51, transmission piece; 511, crank hinge arm; 5111, transmission shaft; 512, transmission arm; 52, photovoltaic folding assembly; 10, container; 20, supporting rod. DETAILED DESCRIPTION

[0040] In the utility model, unless there is definite stipulation and limitation, the terms "mount", "connect", "link", "fix" and so on should be understood broadly, for example, can be fixed connection, also can be detachable connection, or be integrated; can be direct connection, also can be indirect connection through intermediate medium, can be the communication of two elements or the interaction of two elements. The "first", "second" and similar words mentioned in the application do not represent any order, quantity or importance, but only distinguish different components. Similarly, "one" or "a" and similar words do not represent quantity limitation, but represent the existence of at least one. In the implementation of the application, "and / or" describes the association of associated objects, which means that there can be three relationships, for example, A and / or B can mean that A exists alone, A and B exist simultaneously, and B exists alone. In the description of the embodiments of the application, unless otherwise specified, the meaning of "multiple" is two or more. For example, multiple positioning columns refer to two or more positioning columns. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to specific circumstances.

[0041] The utility model will be described in detail as follows.

[0042] As Figures 1-12As shown:

[0043] A photovoltaic folding assembly 52, comprising two groups of photovoltaic folding plates 1 which are identical in structure and rotationally matched, rotation hinges 2 installed at the ends of the photovoltaic folding plates 1 and rotationally matched with the photovoltaic folding plates 1;

[0044] Each group of the photovoltaic folding plates 1 comprises an intermediate plate 11 connected with the rotation hinge 2 and rotationally matched, two groups of outer side plates respectively arranged in one-to-one correspondence with the two sides of the intermediate plate 11 and hingedly matched, and a locking member 14 for locking the intermediate plate 11 and the outer side plates after being folded in a stacked manner.

[0045] Further, the photovoltaic folding assembly 52 further comprises a support rod 20 for fixing the adjacent two groups of intermediate plates 11 when the two groups of photovoltaic folding plates 1 are rotationally unfolded;

[0046] The two groups of photovoltaic folding plates 1 can be rotated 0-°360° in the same plane through the rotation hinge 2;

[0047] The two groups of outer side plates are hingedly connected with the two outer sides of the intermediate plate 11, so that the intermediate plate 11 and the two groups of outer side plates can be folded in a stacked manner and can be completely unfolded. When unfolded, it has a large acting surface, thereby meeting the demand of large-scale power consumption. When the structure is used, it is folded for storage, so that the occupied area is small when stored, thereby making the installed capacity large, the time required for unfolding and folding extremely short, and the single container 10 transportation capacity large.

[0048] In some possible embodiments, in order to effectively realize that the intermediate plate 11 and the two groups of outer side plates can be arranged in a stacked manner after being folded, the two groups of outer side plates comprise a plate one 12 hingedly connected with one side of the intermediate plate 11 and a plate two 13 hingedly connected with the other side of the intermediate plate 11 and identical in structure to the plate one 12. After being folded, the plate two 13 is located between the plate one 12 and the intermediate plate 11. The locking member 14 comprises a hinge lug one 141 installed on the outer side of the intermediate plate 11 and connected with the plate one 12 and a hinge lug two 142 installed on the other outer side of the intermediate plate 11 and connected with the plate two 13.

[0049] The hinge lug one 141 is a long hinge lug, the hinge lug two 142 is a short hinge lug, and the hinge lug one 141 and the hinge lug two 142 are both hinges. The size of the hinge lug one 141 is larger than that of the hinge lug two 142.

[0050] The hinge ear one 141 and the hinge ear two 142 are located on both sides of the middle plate 11. When being stored, the folding of the second plate 13 is first realized through the hinge ear two 142, and then the folding of the first plate 12 is realized through the hinge ear one 141. After being folded, the second plate 13 is located between the first plate 12 and the middle plate 11. When being unfolded, the middle plate 11 is located between the first plate 12 and the second plate 13. Then, the middle plate 11, the first plate 12 and the second plate 13 are folded or unfolded like a book, so that the photovoltaic folding plate occupies less space. In combination with the rotating hinge, the two groups of photovoltaic folding plates can be stacked, so that the photovoltaic folding assembly formed occupies less space after being folded.

[0051] In some possible embodiments, in order to effectively realize that the two groups of photovoltaic folding plates 1 in the same photovoltaic folding assembly 52 can rotate in the same plane by 0-360° around the rotating hinge 2, a support connected with the rotating hinge 2 is arranged on the top of the middle plate 11.

[0052] Two groups of through holes are arranged on the support. After the two groups of middle plates are rotated and unfolded, the through holes on the two supports are coaxially communicated. One end of the two groups of support rods 20 with external threads passes through the corresponding through holes, and nuts are sleeved on the sides of the two groups of middle plates away from each other, so as to realize the fixed support of the two groups of middle plates.

[0053] An unfoldable photovoltaic assembly unit includes a base 3, two groups of photovoltaic folding units 5 of the same structure mounted on the base 3, and a driving unit 4 respectively in transmission cooperation with the two groups of photovoltaic folding units 5 and used for driving the two groups of photovoltaic folding units 5 to rotate around the X-axis direction to realize approaching or moving away from each other. The photovoltaic folding unit 5 includes a transmission member 51 in hinged cooperation with the base 3 and in transmission cooperation with the driving unit 4, and a photovoltaic folding assembly 52 connected with the transmission member 51 and as described above.

[0054] The photovoltaic folding assembly 52 is in transmission connection with the driving unit 4 through the transmission member 51. When being folded or unfolded, the two groups of transmission members 51 are synchronously controlled to rotate around the X-axis direction by the driving unit 4, so as to drive the two groups of photovoltaic folding assemblies 52 to approach or move away from each other around the X-axis, thereby realizing folding or unfolding. After being folded in place, the two groups of photovoltaic folding assemblies 52 are mutually adhered on the side of approaching each other and are arranged along the Z-axis direction. When being unfolded, the two groups of photovoltaic folding assemblies 52 are arranged horizontally.

[0055] In some possible embodiments, the transmission member 51 is connected with the bottom of the middle plate 11 on the side of moving away from each other in the two groups of photovoltaic folding units 5. Here, the bottom is the side of moving away from the rotating hinge.

[0056] The transmission member 51 comprises a crank hinged arm 511 hingedly connected with the base 3 and in transmission connection with the driving unit 4, and a transmission arm 512 hingedly connected with the base 3 and connected with one end of the intermediate plate 11 away from the rotating hinge; the base 3 is provided with a hinge seat 31 hingedly connected with the crank hinged arm 511 and the transmission arm 512 respectively; the crank hinged arm 511 is connected with one end of the intermediate plate 11 away from the rotating hinge.

[0057] The crank hinged arm 511 rotates around the X-axis direction under the driving of the driving unit 4, and drives the transmission arm 512 to rotate around the X-axis direction under the driving of the rotation of the crank hinged arm 511; thereby driving the photovoltaic folding assembly 52 connected therewith to rotate around the X-axis direction; so that the two groups of photovoltaic folding assemblies 52 move closer to or away from each other around the X-axis direction.

[0058] In some possible embodiments, as shown in Figures 5-9 The crank hinged arm 511 comprises a crank arm in the shape of a crank and connected with the intermediate plate 11, and a transmission shaft 5111 mounted on the side of the crank arm away from the intermediate plate 11 and connected with the driving unit 4; the axial direction of the transmission shaft 5111 is along the X-axis direction.

[0059] Specifically, as shown in Figure 9 The crank arm comprises a support portion arranged along the Z-axis direction after folding in place and connected with the bottom of the intermediate plate 11, and a transmission portion in the shape of an arc connected with one end of the support portion away from the intermediate plate 11;

[0060] The support portion is hingedly connected with the hinge seat 31 provided on the base 3, and the transmission portion is in transmission connection with the driving unit 4 through the transmission shaft 5111; the transmission shaft 5111 is connected with one end of the transmission portion away from the support portion;

[0061] Further, as shown in Figures 5-9 The opening formed by the arc shape of the transmission portion is arranged on the side away from the driving unit 4;

[0062] The hinge seat 31 is four, respectively hingedly connected with the transmission arm 512 and the crank hinged arm 511 in the two groups of photovoltaic folding units 5; the transmission arm 512 and the crank hinged arm 511 in the two groups of photovoltaic folding units 5 are arranged in a staggered manner; when the driving unit 4 controls the transmission portion to move around the X-axis direction to the side close to the driving unit 4, the two groups of photovoltaic folding units 5 will be unfolded, and vice versa.

[0063] In some possible embodiments, as shown in Figure 11As shown, the driving unit 4 is located between the two groups of photovoltaic folding units 5; the driving unit 4 includes a hydraulic driving cylinder 41 connected with the two groups of crank hinge arms 511 respectively and used for controlling the rotation of the crank hinge arms 511 around the X-axis direction, a hydraulic system 42 connected with the two groups of hydraulic driving cylinders 41 respectively, and an electric control unit 43 connected with the hydraulic system 42; when the two groups of photovoltaic folding units are fully unfolded or stored, the long direction of the piston rod 411 of the hydraulic driving cylinder 41 is arranged along the Y-axis direction; the hydraulic system 42 includes a cylinder barrel, and the piston rod 411 in telescopic cooperation with the cylinder barrel, and the cylinder barrel is hingedly matched with the base 3.

[0064] The piston rods 411 of the two groups of hydraulic driving cylinders 41 are connected with the transmission shafts 5111 respectively arranged on the two groups of transmission parts; in use, the hydraulic system 42 controls the piston rods 411 of the two groups of hydraulic driving cylinders 41 to extend and retract synchronously, so as to realize folding or unfolding;

[0065] Further, as shown, Figure 12 the hydraulic system 42 includes a hydraulic power unit 421, a solenoid valve 422 connected with the hydraulic power unit 421, a throttle valve 424 connected with the solenoid valve 422 and the rod cavity of the two groups of hydraulic driving cylinders 41, and a shunt valve 423 connected with the solenoid valve 422 and the rodless cavity of the two groups of hydraulic driving cylinders 41;

[0066] Specifically, as shown, Figure 12 in unfolding, the hydraulic power unit 421 starts to work, the solenoid valve 422 is at the right side; the hydraulic medium enters the rodless cavity through the shunt valve 423, the piston rod 411 will extend out, the shunt valve 423 will be shunted to ensure the synchronism of the process, and the speed control is performed through the throttle valve 424 to prevent the rapid falling caused by the action of gravity.

[0067] In storage, the hydraulic power unit 421 works, the solenoid valve 422 is at the left side, the hydraulic medium enters the rod cavity, and the piston rod 411 will retract; the shunt valve 423 and the throttle valve 424 have the same effect.

[0068] A use method of the above-described expandable photovoltaic assembly unit, when folding the photovoltaic assembly unit unfolded horizontally, specifically includes the following steps:

[0069] Step S1: fold the plate one 12 and the plate two 13 in each group of photovoltaic folding plates 1, and lock them by using the locking piece 14;

[0070] Specifically, in unfolding, the axis of the hinge 2 will be arranged along the Z-axis, the folding of the plate two 13 is performed first, and then the folding of the plate one 12 is performed, so that the plate two 13 is located between the plate one 12 and the intermediate plate 11; then the plate one 12 and the plate two 13 are locked and fixed with the intermediate plate 11 by using the hinge lug one 141 and the hinge lug two 142 respectively.

[0071] Step S2: rotate the group of photovoltaic folding plates 1 not hinged with the base 3 around the rotating hinge 2 by 180°, so that the two groups of photovoltaic folding plates 1 in each group of photovoltaic folding units 5 are stacked;

[0072] Step S3: synchronously control the piston cylinder elongation of the two groups of hydraulic drive cylinders 41 through the hydraulic system 42, drive the two groups of crank hinge arms 511 to rotate around the X-axis direction, drive the two groups of photovoltaic folding units 5 to approach each other around the X-axis to realize folding and contraction, when the two groups of photovoltaic folding units 5 are arranged along the Z-axis direction, folding and contraction is completed; place them in the container 10, so that the container 10 can accommodate more photovoltaic module units.

[0073] Conversely, the photovoltaic module units after folding and contraction are unfolded; specifically, first control the piston rod 411 of the two groups of hydraulic drive cylinders 41 to retract through the through hole of the hydraulic system 42, so that the transmission part moves to the side close to the drive unit 4 around the X-axis direction, thereby driving the support part to move away from the drive unit 4 around the X-axis direction, the two groups of photovoltaic folding units 5 will realize mutual away, when they reach the specified position, rotate the group of photovoltaic folding plates 1 not hinged with the base 3 around the rotating hinge 2 by 180°, so that the two groups of photovoltaic folding plates 1 in the same photovoltaic folding unit 5 are coaxial, then unfold the plate one 12 and the plate two 13 in turn; it can be used, unfolding is simple and convenient.

[0074] The utility model is not limited to the foregoing specific embodiments. The utility model extends to any new feature or any new combination disclosed in the specification, as well as any new method or process step or any new combination disclosed.

Claims

1. A photovoltaic folding assembly, characterized by, The application relates to a photovoltaic folding plate assembly comprising two groups of photovoltaic folding plates which are identical in structure and are rotationally connected, a rotating hinge which is mounted at the end of the photovoltaic folding plate and is rotationally connected with the photovoltaic folding plate.

2. A photovoltaic folding assembly according to claim 1, wherein, Each group of the photovoltaic folding plate comprises an intermediate plate which is connected with the rotating hinge and is rotationally connected, two groups of outer side plates which are respectively arranged in one-to-one correspondence with the two sides of the intermediate plate and are hingedly connected, and a locking member which is used for locking the intermediate plate and the outer side plates after being folded in a laminated manner.

3. A photovoltaic folding assembly according to claim 2, wherein, The two groups of the outer side plates comprise a plate one which is hingedly connected with one side of the intermediate plate and a plate two which is hingedly connected with the other side of the intermediate plate and is identical in structure with the plate one; after being folded, the plate two is located between the plate one and the intermediate plate.

4. A photovoltaic folding assembly according to claim 3, wherein, The locking member comprises a hinge lug one which is mounted on the outer side of the intermediate plate and is connected with the plate one and a hinge lug two which is mounted on the outer side of the other side of the intermediate plate and is connected with the plate two.

5. A photovoltaic folding assembly according to claim 3, wherein, A support which is connected with the rotating hinge is arranged on the top of the intermediate plate.

6. An expandable photovoltaic assembly unit, characterized by, The application relates to a photovoltaic folding unit assembly comprising a base, two groups of photovoltaic folding units which are mounted on the base and are identical in structure, a driving unit which is respectively drivingly connected with the two groups of photovoltaic folding units and is used for driving the two groups of photovoltaic folding units to rotate around the X-axis direction so as to realize mutual approaching or moving away. The photovoltaic folding unit comprises a transmission member which is hingedly connected with the base and is drivingly connected with the driving unit, and the photovoltaic folding assembly as claimed in any one of claims 1 to 5 which is connected with the transmission member.

7. An expandable photovoltaic assembly unit according to claim 6, wherein, The transmission member is connected with the bottom of the intermediate plate which is away from each other on the two groups of photovoltaic folding units. The transmission member comprises a crank hinged arm which is hingedly connected with the base and is drivingly connected with the driving unit, and a transmission arm which is hingedly connected with the base and is connected with the intermediate plate; a hinge seat which is respectively hingedly connected with the crank hinged arm and the transmission arm is arranged on the base; one end of the crank hinged arm which is away from the rotating hinge of the intermediate plate is connected.

8. An expandable photovoltaic assembly unit according to claim 7, wherein, The crank hinged arm comprises a crank arm which is in the shape of a crank and is connected with the intermediate plate, and a transmission shaft which is mounted on the side of the crank arm which is away from the intermediate plate and is connected with the driving unit; the axial direction of the transmission shaft is arranged along the X-axis direction.

9. An expandable photovoltaic assembly unit according to claim 8, wherein, The driving unit comprises a hydraulic driving cylinder which is respectively drivingly connected with the two groups of crank hinged arms and is used for controlling the rotation of the crank hinged arms around the X-axis direction, and a hydraulic system which is respectively connected with the two groups of hydraulic driving cylinders; when the two groups of photovoltaic folding units are completely unfolded or stored, the long direction of the piston rod of the hydraulic driving cylinder is arranged along the Y-axis direction.

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