Device and method for automatically compensating and adjusting guide rail of broken line type efficient multi-cutter shearing machine

Abstract

The invention provides a broken line type efficient multi-cutter shearing machine guide rail automatic compensation adjusting device and method. Fixed guide rails are fixedly installed on the upper left portion and the upper right portion of the inner side of a shearing machine body. A movable guide rail is tensioned and fixed on the inner wall of the shearing machine body through a movable guide rail pull rod; the movable guide rail pull rod is hinged with a movable guide rail tensioning mechanism; a scissor sliding seat is arranged between the fixed guide rail and the movable guide rail in a sliding manner; the outer side wall of the movable guide rail and the outer wall of the adjusting seat form inclined surface sliding fit, the other outer wall of the adjusting seat is in sliding contact fit with the inner wall of the fixed seat, and the fixed seat is fixed on the inner wall of the shearing machine body; the adjusting seat is connected with an adjusting seat tensioning mechanism through an adjusting seat pull rod; the inclined face, matched with the adjusting base, of the movable guide rail is connected with a movable guide rail adjusting mechanism through a fixing base pull rod, and the movable guide rail adjusting mechanism is fixed to the outer wall of the fixing base. Through interaction of all the components, the adjusting oil cylinder can conduct compensation adjustment on the guide rail gap in real time.

Description

Technical Field

[0001] The invention relates to the field of scrap metal shearing equipment, in particular to a device and method for automatically compensating and adjusting guide rails of a zigzag high-efficiency multi-blade shearing machine. Background Art

[0002] At present, all existing shearing machines are fixed and adjusted by fasteners. The purpose of equipment gap adjustment has been achieved by manually adjusting the tightness of the screws in the components. As a result, the guide rail gap is greatly affected by human factors, which further affects the service life of the equipment and increases the risk of premature equipment scrapping. With the advancement of science and technology, users have higher and higher requirements for equipment automation. The original guide rail gap adjustment method is in a relatively backward state. The market now urgently needs a device and method that can automatically compensate for the guide rail gap. Summary of the invention

[0003] The purpose of the present invention is to provide an automatic compensation adjustment device and method for the guide rails of a folding-line high-efficiency multi-blade shearing machine in response to the above-mentioned problems. In the present invention, through the interaction of various components, the adjustment cylinder can perform real-time compensation adjustment on the guide rail gap, ensuring that the equipment is always in a relatively ideal working state, extending the service life of the equipment, increasing the equipment efficiency, and meeting market demand.

[0004] In order to realize the above-mentioned technical features, the purpose of the present invention is achieved as follows: a folded-line high-efficiency multi-blade shearing machine guide rail automatic compensation and adjustment device comprises a shearing machine body, and fixed guide rails are fixedly installed on the upper left and right sides of the inner side of the shearing machine body; a movable guide rail is tightened and fixed on the inner wall of the shearing machine body and located on the opposite side of the fixed guide rail by a movable guide rail pull rod, and the movable guide rail pull rod is hingedly connected to the movable guide rail tightening mechanism; a scissors slide is slidably installed between the respectively arranged fixed guide rails and the movable guide rails; the outer side wall of the movable guide rail and the outer wall of the adjustment seat form an inclined sliding fit, and the other outer wall of the adjustment seat is in sliding contact with the inner wall of the fixed seat, and the fixed seat is fixed on the inner wall of the shearing machine body; the adjustment seat is connected to the adjustment seat tightening mechanism through the adjustment seat pull rod; the inclined surface of the movable guide rail and the adjustment seat is connected to the movable guide rail adjustment mechanism through the fixed seat pull rod, and the movable guide rail adjustment mechanism is fixed on the outer wall of the fixed seat.

[0005] A fixed guide rail guide plate is fixed on the outer wall of the fixed guide rail, and the fixed guide rail guide plate is slidably matched with the scissor slide seat front guide plate on the scissor slide seat.

[0006] A sliding guide rail guide plate is fixed on the outer wall of the movable guide rail, and the sliding guide rail guide plate is slidably matched with a scissor slide seat rear guide plate on the scissor slide seat.

[0007] The movable guide rail tensioning mechanism includes a first adjusting oil cylinder fixed on the outer wall of the shearing machine body, the end of the piston rod of the first adjusting oil cylinder is hingedly connected to the movable guide rail pull rod through a first hinge mechanism, and the end of the movable guide rail pull rod is fixedly connected to the movable guide rail through threaded cooperation.

[0008] The adjusting seat tensioning mechanism comprises a second adjusting oil cylinder fixed on the outer wall of the shearing machine body, the piston rod end of the second adjusting oil cylinder is hingedly connected to the adjusting seat pull rod through a second hinge mechanism, and the end of the adjusting seat pull rod is fixedly connected to the adjusting seat through threaded cooperation.

[0009] The movable guide rail adjustment mechanism includes a third adjustment cylinder fixed on the outer wall of the fixed seat, the end of the piston rod of the third adjustment cylinder is hingedly connected to the fixed seat pull rod through a third hinge mechanism, and the end of the fixed seat pull rod is fixedly connected to the inclined surface of the movable guide rail through threaded cooperation.

[0010] The fixing seat is processed with a first through hole for passing the fixing seat pull rod; The adjusting seat is processed with a second through hole for passing the fixing seat pull rod.

[0011] The first adjusting oil cylinder, the second adjusting oil cylinder and the third adjusting oil cylinder are all hydraulic oil cylinders with double rods; Wherein, the first adjustment oil cylinder comprises a first oil port and a second oil port; The second adjustment oil cylinder includes a third oil port and a fourth oil port; The third adjustment oil cylinder includes a fifth oil port and a sixth oil port; When connecting to the hydraulic system: The first oil port, the fourth oil port and the fifth oil port are connected to the first oil pipe at the same time; The second oil port, the third oil port and the sixth oil port are connected to the second oil pipe at the same time; The stretching and pressing forces of the first adjusting oil cylinder, the second adjusting oil cylinder and the third adjusting oil cylinder are in a balanced state under the same oil source pressure.

[0012] The first articulated mechanism, the second articulated mechanism and the third articulated mechanism adopt the same articulated form and can realize multi-dimensional biased connection to eliminate the influence of the biased load force on the corresponding first adjusting cylinder, the second adjusting cylinder and the third adjusting cylinder after the position of the movable guide rail pull rod, the adjustment seat pull rod and the fixed seat pull rod changes.

[0013] Control method of automatic compensation adjustment device for guide rails of folding line high-efficiency multi-blade shearing machine: The movable guide rail is connected to the fixed seat pull rod, the third hinge mechanism and the third adjustment cylinder to realize vertical up and down movement; the adjustment seat is connected to the adjustment seat pull rod, the second hinge mechanism and the second adjustment cylinder to realize horizontal left and right movement, and a contact surface gap t1 of the movable guide rail is formed on the inclined surface of the adjustment seat. The vertical up and down movement of the movable guide rail realizes the gap adjustment of the contact surface gap t2 between the rear guide plate of the scissors slide and the guide plate of the sliding guide rail, and the contact surface gap t3 between the guide plate of the fixed guide rail and the front guide plate of the scissors slide, thereby realizing automatic compensation adjustment of the shearing machine guide rail; the adjustment of the movable guide rail tensioning mechanism, the adjustment seat tensioning mechanism and the movable guide rail adjustment mechanism is realized by connecting the first oil pipe, the second oil pipe and the first adjustment cylinder, the second adjustment cylinder and the third adjustment cylinder into a control whole; The contact surface gaps t1, t2 and t3 are always in a floating equilibrium state. Even when the oil cylinder is operated to adjust the gap, due to the same pressure under the same oil source, the movement states of the movable guide rail tensioning mechanism, the adjustment seat tensioning mechanism and the movable guide rail adjustment mechanism are in a synchronous equilibrium state.

[0014] The present invention has the following beneficial effects: 1. In the present invention, through the interaction of various components, the adjustment cylinder can make real-time compensation adjustment to the guide rail gap, ensuring that the equipment is always in a relatively ideal working state, extending the service life of the equipment, increasing the equipment efficiency, and meeting market demand.

[0015] 2. The movable guide rail can be tightened and fixed by the above-mentioned movable guide rail tightening mechanism.

[0016] 3. The tightening and fixing of the adjusting seat can be achieved through the above-mentioned adjusting seat tightening mechanism.

[0017] 4. The movable guide rail adjustment mechanism can be used to adjust the movable guide rail up and down, thereby adjusting the gap.

[0018] 5. The first through hole and the second through hole mentioned above facilitate the smooth passage of the fixing seat pull rod.

[0019] 7. The double-rod hydraulic cylinder can realize both pushing and tensioning actions, thereby achieving two-way adjustment. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0021] FIG1 is a top sectional view of the present invention.

[0022] Figure 2 For the present invention Figure 1 A partial view of the center left fixed rail location.

[0023] Figure 3 For the present invention Figure 1 A partial view of the center right side where the fixed rail is located.

[0024] Figure 4 It is the front view of the present invention.

[0025] Figure 5 It is a side view of the present invention.

[0026] Figure 6 It is a structural diagram of the first adjusting cylinder, the second adjusting cylinder and the third adjusting cylinder of the present invention.

[0027] Figure 7 It is the structural diagram of the existing mechanical adjustment device. DETAILED DESCRIPTION

[0028] The embodiments of the present invention are further described below in conjunction with the accompanying drawings.

[0029] Embodiment 1: See also Figure 1-6 , a folded-line high-efficiency multi-blade shearing machine guide rail automatic compensation and adjustment device comprises a shearing machine body 1, and fixed guide rails 2 are fixedly installed on the upper left and right sides of the inner side of the shearing machine body 1; a movable guide rail 6 is tightened and fixed on the inner wall of the shearing machine body 1 and located on the opposite side of the fixed guide rail 2 through a movable guide rail pull rod 7, and the movable guide rail pull rod 7 is hingedly connected to the movable guide rail tightening mechanism; a scissor slide 3 is slidably installed between the fixed guide rail 2 and the movable guide rail 6 arranged separately; the outer side wall of the movable guide rail 6 and the outer wall of the adjustment seat 5 form an inclined sliding fit, and the other outer wall of the adjustment seat 5 is in sliding contact with the inner wall of the fixed seat 4, and the fixed seat 4 is fixed on the inner wall of the shearing machine body 1; the adjustment seat 5 is connected to the adjustment seat tightening mechanism through the adjustment seat pull rod 10; the inclined surface of the movable guide rail 6 and the adjustment seat 5 is connected to the movable guide rail adjustment mechanism through the fixed seat pull rod 11, and the movable guide rail adjustment mechanism is fixed on the outer wall of the fixed seat 4.

[0030] Further, a fixed guide rail guide plate 12 is fixed on the outer wall of the fixed guide rail 2, and the fixed guide rail guide plate 12 is slidably matched with the scissor slide seat front guide plate 13 on the scissor slide seat 3. Through the above-mentioned sliding match, the smooth sliding of the scissor slide seat 3 is guaranteed.

[0031] Further, a sliding guide rail guide plate 15 is fixed on the outer wall of the movable guide rail 6, and the sliding guide rail guide plate 15 is slidably matched with the scissor slide seat rear guide plate 14 on the scissor slide seat 3. Through the above-mentioned sliding match, the smooth sliding of the scissor slide seat 3 is guaranteed.

[0032] Furthermore, the movable guide rail tensioning mechanism includes a first adjustment oil cylinder 9 fixed on the outer wall of the shearing machine body 1, the piston rod end of the first adjustment oil cylinder 9 is hingedly connected to the movable guide rail tie rod 7 through a first hinge mechanism 8, and the end of the movable guide rail tie rod 7 is fixedly connected to the movable guide rail 6 through threaded cooperation. The movable guide rail 6 can be tightened and fixed by the above-mentioned movable guide rail tensioning mechanism. During the working process, when the movable guide rail 6 needs to be adjusted, the movable guide rail tie rod 7 is driven by the first adjustment oil cylinder 9, and the movable guide rail 6 is driven by the movable guide rail tie rod 7.

[0033] Furthermore, the adjustment seat tensioning mechanism includes a second adjustment oil cylinder 18 fixed on the outer wall of the shearing machine body 1, the piston rod end of the second adjustment oil cylinder 18 is hingedly connected to the adjustment seat pull rod 10 through a second hinge mechanism 22, and the end of the adjustment seat pull rod 10 is fixedly connected to the adjustment seat 5 through threaded cooperation. The adjustment seat tensioning mechanism can achieve the tightening and fixing of the adjustment seat 5. During the working process, when the adjustment seat 5 needs to be adjusted, the adjustment seat pull rod 10 is driven by the second adjustment oil cylinder 18, and the adjustment seat pull rod 10 drives the adjustment seat 5.

[0034] Furthermore, the movable guide rail adjustment mechanism includes a third adjustment oil cylinder 19 fixed on the outer wall of the fixed seat 4, the piston rod end of the third adjustment oil cylinder 19 is hingedly connected to the fixed seat pull rod 11 through a third hinge mechanism 23, and the end of the fixed seat pull rod 11 is fixedly connected to the inclined surface of the movable guide rail 6 through threaded fitting. The movable guide rail 6 can be adjusted up and down by the above-mentioned movable guide rail adjustment mechanism, thereby achieving the adjustment of the gap. During operation, when the adjustment seat 5 needs to be adjusted, the fixed seat pull rod 11 is driven by the third adjustment oil cylinder 19, and the movable guide rail 6 is driven by the fixed seat pull rod 11.

[0035] Furthermore, the fixing seat 4 is processed with a first through hole 21 for passing the fixing seat tie rod 11, and the adjusting seat 5 is processed with a second through hole 20 for passing the fixing seat tie rod 11. The first through hole 21 and the second through hole 20 facilitate smooth passage of the fixing seat tie rod 11.

[0036] Furthermore, the first adjustment cylinder 9, the second adjustment cylinder 18 and the third adjustment cylinder 19 all use double-rod hydraulic cylinders; wherein the first adjustment cylinder 9 includes a first oil port 901 and a second oil port 902; the second adjustment cylinder 18 includes a third oil port 1801 and a fourth oil port 1802; and the third adjustment cylinder 19 includes a fifth oil port 1901 and a sixth oil port 1902. The double-rod hydraulic cylinder can realize both pushing and tensioning actions, thereby realizing bidirectional adjustment.

[0037] Furthermore, when the hydraulic system is connected: The first oil port 901, the fourth oil port 1802 and the fifth oil port 1901 are simultaneously connected to the first oil pipe 17; The second oil port 902, the third oil port 1801 and the sixth oil port 1902 are simultaneously connected to the second oil pipe 16; The stretching and pressing forces of the first adjusting oil cylinder 9, the second adjusting oil cylinder 18 and the third adjusting oil cylinder 19 are in a balanced state under the same oil source pressure, thereby realizing dynamic adjustment of the gap.

[0038] Furthermore, the first articulated mechanism 8, the second articulated mechanism 22 and the third articulated mechanism 23 adopt the same articulated form and can realize multi-dimensional eccentric connection to eliminate the influence of the eccentric load force on the corresponding first adjustment cylinder 9, the second adjustment cylinder 18 and the third adjustment cylinder 19 after the position change of the movable guide rail pull rod 7, the adjustment seat pull rod 10 and the fixed seat pull rod 11. The above-mentioned articulated mechanism can realize multi-directional micro-adjustment between the mechanisms.

[0039] Furthermore, the second connecting oil pipe 16 of the first adjusting cylinder 9, the second adjusting cylinder 18 and the third adjusting cylinder 19 in the present invention is connected to the odd-numbered array of the first adjusting cylinder 9, the second adjusting cylinder 18 and the third adjusting cylinder 19, and the second connecting oil pipe 17 of the first adjusting cylinder 9, the second adjusting cylinder 18 and the third adjusting cylinder 19 is connected to the even-numbered array of the first adjusting cylinder 9, the second adjusting cylinder 18 and the third adjusting cylinder 19. The same group of the first adjusting cylinder 9, the second adjusting cylinder 18 and the third adjusting cylinder 19 in the odd-numbered and even-numbered arrays is the same acting group, which is stretched or compressed synchronously. Based on the double-rod cylinder characteristics of the adjusting cylinder, the stretching and compression forces of the adjusting cylinder on each mechanism are in a balanced state under the same oil source pressure.

[0040] Embodiment 2: Control method of automatic compensation adjustment device for guide rails of folding line high-efficiency multi-blade shearing machine: The movable guide rail 6 is connected with the fixed seat pull rod 11, the third hinge mechanism 23 and the third adjustment cylinder 19 to realize the up and down movement in the vertical direction; the adjustment seat 5 is connected with the adjustment seat pull rod 10, the second hinge mechanism 22 and the second adjustment cylinder 18 to realize the left and right movement in the horizontal direction. The contact surface gap t1 of the movable guide rail 6 is formed on the inclined surface of the adjustment seat 5. The vertical up and down movement of the movable guide rail 6 realizes the gap adjustment of the contact surface gap t2 between the rear guide plate 14 of the scissors slide and the sliding guide rail guide plate 15 and the contact surface gap t3 between the fixed guide rail guide plate 12 and the front guide plate 13 of the scissors slide, thereby realizing the automatic compensation adjustment of the shearing machine guide rail; by connecting the first oil pipe 17, the second oil pipe 16 with the first adjustment cylinder 9, the second adjustment cylinder 18 and the third adjustment cylinder 19 into a control whole, the adjustment of the movable guide rail tensioning mechanism, the adjustment seat tensioning mechanism and the movable guide rail adjustment mechanism is realized; The contact surface gaps t1, t2 and t3 are always in a floating equilibrium state. Even when the adjustment cylinder 9 is operated to adjust the gap, due to the same pressure under the same oil source, the movement states of the movable guide rail tensioning mechanism, the adjustment seat tensioning mechanism and the movable guide rail adjustment mechanism are in a synchronous equilibrium state.

Claims

1. The automatic compensation adjustment device for the guide rail of the folding line high-efficiency multi-blade shearing machine is characterized by: The invention comprises a shearing machine body (1), wherein fixed guide rails (2) are fixedly installed on the upper left and right sides of the inner side of the shearing machine body (1); a movable guide rail (6) is fixedly installed on the inner wall of the shearing machine body (1) and located on the opposite side of the fixed guide rail (2) by being tightened by a movable guide rail pull rod (7), and the movable guide rail pull rod (7) is hingedly connected to the movable guide rail tightening mechanism; a scissor slide seat (3) is slidably installed between the fixed guide rail (2) and the movable guide rail (6) which are arranged respectively; and the outer wall of the movable guide rail (6) is connected to the adjusting The outer wall of the entire seat (5) forms an inclined surface for sliding fit, the other outer wall of the adjustment seat (5) is in sliding contact with the inner wall of the fixed seat (4), and the fixed seat (4) is fixed on the inner wall of the shearing machine body (1); the adjustment seat (5) is connected to the adjustment seat tensioning mechanism through the adjustment seat pull rod (10); the inclined surface of the movable guide rail (6) matching the adjustment seat (5) is connected to the movable guide rail adjustment mechanism through the fixed seat pull rod (11), and the movable guide rail adjustment mechanism is fixed on the outer wall of the fixed seat (4).

2. According to claim 1, the automatic compensation and adjustment device for guide rails of a folding-line high-efficiency multi-blade shearing machine is characterized in that: A fixed guide rail guide plate (12) is fixed on the outer wall of the fixed guide rail (2), and the fixed guide rail guide plate (12) is slidably matched with a scissor slide seat front guide plate (13) on the scissor slide seat (3).

3. According to claim 1, the automatic compensation and adjustment device for guide rails of a folding-line high-efficiency multi-blade shearing machine is characterized in that: A sliding guide rail guide plate (15) is fixed on the outer wall of the movable guide rail (6), and the sliding guide rail guide plate (15) is slidably matched with a scissor slide seat rear guide plate (14) on the scissor slide seat (3).

4. According to claim 1, the automatic compensation and adjustment device for guide rails of a folding-line high-efficiency multi-blade shearing machine is characterized in that: The movable guide rail tensioning mechanism comprises a first adjustment cylinder (9) fixed on the outer wall of the shearing machine body (1), the end of the piston rod of the first adjustment cylinder (9) being hingedly connected to the movable guide rail pull rod (7) via a first hinge mechanism (8), and the end of the movable guide rail pull rod (7) being fixedly connected to the movable guide rail (6) via threaded engagement.

5. According to claim 4, the automatic compensation and adjustment device for guide rails of a folding-line high-efficiency multi-blade shearing machine is characterized in that: The adjusting seat tensioning mechanism comprises a second adjusting oil cylinder (18) fixed on the outer wall of the shearing machine body (1), the end of the piston rod of the second adjusting oil cylinder (18) is hingedly connected to the adjusting seat pull rod (10) through a second hinge mechanism (22), and the end of the adjusting seat pull rod (10) is fixedly connected to the adjusting seat (5) through threaded engagement.

6. The automatic compensation and adjustment device for guide rails of a folding-line high-efficiency multi-blade shearing machine according to claim 5 is characterized in that: The movable guide rail adjustment mechanism comprises a third adjustment cylinder (19) fixed on the outer wall of the fixed seat (4); the end of the piston rod of the third adjustment cylinder (19) is hingedly connected to the fixed seat pull rod (11) through a third hinge mechanism (23); and the end of the fixed seat pull rod (11) is fixedly connected to the inclined surface of the movable guide rail (6) through threaded engagement.

7. The automatic compensation and adjustment device for guide rails of a folding-line high-efficiency multi-blade shearing machine according to claim 6 is characterized in that: The fixing seat (4) is provided with a first through hole (21) for passing the fixing seat pull rod (11); The adjusting seat (5) is provided with a second through hole (20) for passing the fixing seat pull rod (11).

8. The automatic compensation and adjustment device for guide rails of a folding-line high-efficiency multi-blade shearing machine according to claim 7 is characterized in that: The first adjusting oil cylinder (9), the second adjusting oil cylinder (18) and the third adjusting oil cylinder (19) are all hydraulic oil cylinders with double rods; Wherein, the first adjustment oil cylinder (9) comprises a first oil port (901) and a second oil port (902); The second adjustment oil cylinder (18) comprises a third oil port (1801) and a fourth oil port (1802); The third adjustment oil cylinder (19) comprises a fifth oil port (1901) and a sixth oil port (1902); When connecting to the hydraulic system: The first oil port (901), the fourth oil port (1802) and the fifth oil port (1901) are simultaneously connected to the first oil pipe (17); The second oil port (902), the third oil port (1801) and the sixth oil port (1902) are simultaneously connected to the second oil pipe (16); The stretching and pressing forces of the first adjusting oil cylinder (9), the second adjusting oil cylinder (18) and the third adjusting oil cylinder (19) are in a balanced state under the same oil source pressure.

9. The automatic compensation and adjustment device for guide rails of a folding-line high-efficiency multi-blade shearing machine according to claim 8, characterized in that: The first articulated mechanism (8), the second articulated mechanism (22) and the third articulated mechanism (23) adopt the same articulated form and are capable of realizing multi-dimensional eccentric connection, so as to eliminate the influence of the eccentric load force on the corresponding first adjustment cylinder (9), the second adjustment cylinder (18) and the third adjustment cylinder (19) after the position of the movable guide rail pull rod (7), the adjustment seat pull rod (10) and the fixed seat pull rod (11) changes.

10. The control method of the automatic compensation adjustment device for guide rails of a folding-line high-efficiency multi-blade shearing machine according to any one of claims 1 to 9, characterized in that: The movable guide rail (6) is connected to the fixed seat pull rod (11), the third hinge mechanism (23) and the third adjustment cylinder (19) to achieve vertical up and down movement; the adjustment seat (5) is connected to the adjustment seat pull rod (10), the second hinge mechanism (22) and the second adjustment cylinder (18) to achieve horizontal left and right movement. A contact surface gap t1 is formed on the inclined surface of the adjustment seat (5) with the movable guide rail (6). The vertical up and down movement of the movable guide rail (6) realizes the rear guide plate ( The gap between the fixed guide rail guide plate (12) and the front guide plate (13) of the scissor slide seat is adjusted to adjust the contact surface gap t2 between the fixed guide rail guide plate (14) and the sliding guide rail guide plate (15) and the contact surface gap t3 between the fixed guide rail guide plate (12) and the front guide plate (13) of the scissor slide seat, thereby realizing automatic compensation adjustment of the shearing machine guide rail; by connecting the first oil pipe (17), the second oil pipe (16) and the first adjustment oil cylinder (9), the second adjustment oil cylinder (18) and the third adjustment oil cylinder (19) into a control whole, the adjustment of the movable guide rail tensioning mechanism, the adjustment seat tensioning mechanism and the movable guide rail adjustment mechanism is realized; The contact surface gaps t1, t2 and t3 are always in a floating equilibrium state. Even when the adjustment cylinder (9) is operated to adjust the gap, the movement states of the movable guide rail tensioning mechanism, the adjustment seat tensioning mechanism and the movable guide rail adjusting mechanism are in a synchronous equilibrium state due to the same pressure under the same oil source.

Images