A coordinate type single-axis dual-platform adsorption type automatic screw locking machine

Abstract

The utility model relates to the technical field of automatic screw locking, and discloses a coordinate type single-axis double-platform adsorption type automatic screw locking machine, including a working base, the upper surface of the working base is plugged into a base hydraulic press, one end of the base hydraulic press is sleeved with a base hydraulic rod and a sliding seat, a sliding rail, a sliding motor, and a sliding screw. The utility model has a reasonable structure, the work platform is fixed to the workpiece by a clamp, the sliding assembly is lifted, the sliding motor drives the sliding screw to rotate, the rotating seat slides on the sliding rail, the push-pull sliding rail slides on the sliding seat, the bolt is fixed to avoid displacement after the position is adjusted, the platform motor drives the working platform to rotate and adjust the position, the adsorption hydraulic press drives the adsorption hydraulic rod to extend and retract the adsorption seat, the screw hydraulic press drives the screw hydraulic rod to lift and lower the rotating rod, the screw motor drives the rotating rod to rotate and lock the screw, the vacuum pump rotates to extract air to adsorb the bolt, the screw assembly adsorbs the screw to lock the screw and the adsorption seat is extended and retracted, which speeds up work efficiency and saves manual labor.

Description

Technical Field

[0001] The utility model relates to the technical field of automatic screw locking, in particular to a coordinate type single-axis double-platform adsorption type automatic screw locking machine. Background Art

[0002] The automatic screw locking machine uses various electric and pneumatic components to realize the automatic conveying, tightening, and detection of screws. The equipment simplifies the screw tightening process, reduces the number of manual labor and reduces the adverse factors caused by manual misoperation. It is a typical non-standard automation equipment. The automatic screw locking machine is mainly divided into: handheld screw locking machine, multi-axis automatic screw locking machine, and coordinate automatic screw locking machine.

[0003] The automatic screw locking machine disclosed in the Chinese utility model patent application disclosure CN211414248U, although this automatic screw locking machine, through the second cylinder, can make the main piston rod slide into the main piston tube, as the main piston pushes the water in the water storage tank into the main piston tube, the water in the water storage tank can be dispersed into the inside of the secondary piston tube, so that the secondary piston rod moves upward, on the contrary, when the main piston rod slides out of the main piston tube, the secondary piston rod moves downward, so that when the clamping table moves up and down, the water in the secondary piston tube can also play a buffering role, so that the clamping table moves up and down more stably; the screw motor drives the screw rod to rotate, so that the slider can slide back and forth on the side plate, so as to facilitate the front and back adjustment of the electric screwdriver, but the device only slides the slider back and forth on the side plate, which is convenient for the front and back adjustment of the electric screwdriver, but the positions of different screw holes of the workpiece are also different, and it is impossible to perform all-round position adjustment and fast position adjustment to lock the screws, and the storage of the screws can quickly provide the feeding speed of the screws and the adsorption of the screws to avoid falling. Therefore, a utility model is proposed to solve the above problems. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the utility model provides a coordinate-type single-axis dual-platform adsorption-type automatic screw locking machine, which solves the problems of rapid adjustment of different screw hole positions of workpieces and rapid provision of screws and screw adsorption to prevent them from falling.

[0006] (II) Technical solution

[0007] To achieve the above purpose, the utility model is implemented through the following technical solutions: a coordinate type single-axis double-platform adsorption type automatic screw locking machine, including a working base, the upper surface of the working base is plugged into a base hydraulic press, one end of the base hydraulic press is sleeved with a base hydraulic rod, one end of the base hydraulic rod is sleeved with a sliding component, the upper surface of the sliding component is plugged with a platform motor, the upper surface of the platform motor is sleeved with a working platform, the upper surface of the working platform is threaded with a splint, one side of the working base is plugged with a screw rod, one side of the screw rod is fixedly connected to the adsorption hydraulic press, one end of the adsorption hydraulic press is sleeved with a suction A hydraulic rod is attached, one end of the adsorption hydraulic rod is fixedly connected to an adsorption seat, a vacuum pump is plugged into the lower surface of the adsorption seat, one end of the vacuum pump is sleeved with a vacuum tube, a screw assembly is plugged into the lower surface of the adsorption seat, a feeding rack is plugged into one side of the working base, a feeding hydraulic press is plugged into one side of the feeding rack, one end of the feeding hydraulic press is sleeved with a feeding hydraulic rod, the inside of the feeding rack is slidably connected to a feeding platform, the inside of the feeding platform is fixedly connected with a spring device, the inside of the feeding platform is plugged with a feeding box, the upper surface of the feeding platform is fixedly connected to a feeding cover, and the upper surface of the working base is plugged with a battery.

[0008] Optionally, the sliding assembly includes a sliding seat, a sliding rail, a sliding motor, a sliding screw, and a rotating seat. The upper surface of the sliding seat is slidably connected to the sliding rail, one end of the sliding rail is plugged into the sliding motor, one end of the sliding motor is sleeved with the sliding screw, and the upper surface of the sliding rail is slidably connected to the rotating seat.

[0009] Optionally, a sliding hole is opened on the other side of the sliding rail to fix one end of the sliding screw, and the sliding hole limits the sliding screw to prevent it from falling off.

[0010] Optionally, the screw assembly includes a screw barrel, a screw hydraulic press, a screw hydraulic rod, a screw motor, and a rotating rod. One end of the screw barrel is plugged with a screw hydraulic press, one end of the screw hydraulic press is sleeved with a screw hydraulic rod, one end of the screw hydraulic rod is sleeved with a screw motor, and one end of the screw motor is threaded with a rotating rod.

[0011] Optionally, a working threaded hole is provided at the bottom of the screw rod, and the screw rod is threadedly connected to the working base through a working bolt to prevent it from falling off.

[0012] Optionally, a vacuum hole is opened on the surface of the screw assembly, and the other end of the vacuum tube is fixedly connected to the vacuum hole.

[0013] Optionally, a feeding threaded hole is provided at the bottom of the feeding rack, and the feeding rack is threadedly connected to the working base through a feeding bolt to prevent it from falling.

[0014] Optionally, a platform hole is opened on one side of the feeding platform, and the platform hole limits the other end of the feeding hydraulic rod to prevent it from falling off.

[0015] In summary, the technical effects and advantages of the utility model are:

[0016] 1. The utility model has a reasonable structure. The working platform is fixed to the workpiece by a clamp, the sliding assembly is lifted, the sliding motor drives the sliding screw to rotate, the rotating seat slides on the sliding rail, the push-pull sliding rail slides on the sliding seat, and the position is adjusted by bolts to avoid displacement. The platform motor drives the working platform to rotate and adjust the position. The position can be adjusted according to the different screw holes of the workpiece, which speeds up work efficiency and saves manual labor.

[0017] 2. In the utility model, the adsorption hydraulic press drives the adsorption hydraulic rod to extend and retract the adsorption seat, the screw hydraulic press drives the screw hydraulic rod to lift and lower the rotating rod, the screw motor drives the rotating rod to rotate and lock the screw, the vacuum pump rotates and draws air to adsorb the bolt, the screw assembly adsorbs the screw, locks the screw and extends and retracts the adsorption seat, thereby speeding up the workers' work speed, speeding up the production speed, increasing the output and improving the economy of the factory.

[0018] 3. In the utility model, screws are placed in a feed box, and several feed boxes are placed inside a feed platform. During use, the feed platform slides in a feed rack, and the feed platform slides until the screw assembly adsorbs the screws to lock the workpiece. After the screws in the feed box are used up, the empty feed box is taken out so that the spring device pushes the feed box at the rear side forward to supply the screws. The supply screws of the feed box and the feed platform slide, thereby improving production efficiency, accelerating the feeding speed, and saving workers' physical strength. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the structure of the utility model;

[0020] Figure 2 This is an exploded schematic diagram of the working base structure of the utility model;

[0021] Figure 3 This is an exploded schematic diagram of the sliding assembly structure of the utility model;

[0022] Figure 4 This is a schematic cross-sectional view of the working platform structure of the utility model;

[0023] Figure 5 This is an exploded schematic diagram of the screw rod structure of the utility model;

[0024] Figure 6 This is an exploded schematic diagram of the screw assembly structure of the utility model;

[0025] Figure 7 It is an exploded schematic diagram of the feeding rack structure of the utility model.

[0026] In the figure: 1. working base; 2. base hydraulic press; 3. base hydraulic rod; 4. sliding assembly; 401. sliding seat; 402. sliding rail; 403. sliding motor; 404. sliding screw; 405. rotating seat; 5. platform motor; 6. working platform; 7. clamping plate; 8. screw rod; 9. adsorption hydraulic press; 10. adsorption hydraulic rod; 11. adsorption seat; 12. vacuum pump; 13. vacuum tube; 14. screw assembly; 1401. screw cylinder; 1402. screw hydraulic press; 1403. screw hydraulic rod; 1404. screw motor; 1405. rotating rod; 15. feeding rack; 16. feeding hydraulic press; 17. feeding hydraulic rod; 18. feeding platform; 19. spring device; 20. feeding box; 21. feeding cover; 22. battery. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] Example: Reference Figure 1-Figure 7 The coordinate type single-axis double-platform adsorption type automatic screw locking machine shown in the figure comprises a working base 1, the upper surface of the working base 1 is plugged with a base hydraulic press 2, one end of the base hydraulic press 2 is sleeved with a base hydraulic rod 3, one end of the base hydraulic rod 3 is sleeved with a sliding component 4, the upper surface of the sliding component 4 is plugged with a platform motor 5, the upper surface of the platform motor 5 is sleeved with a working platform 6, the upper surface of the working platform 6 is threaded with a clamping plate 7, one side of the working base 1 is plugged with a screw rod 8, one side of the screw rod 8 is fixedly connected to an adsorption hydraulic press 9, one end of the adsorption hydraulic press 9 is sleeved with an adsorption hydraulic rod 10, and one end of the adsorption hydraulic rod 10 is fixedly connected to an adsorption An attachment seat 11, a vacuum pump 12 is connected to the lower surface of the adsorption seat 11, one end of the vacuum pump 12 is sleeved with a vacuum tube 13, a screw assembly 14 is connected to the lower surface of the adsorption seat 11, a feeding rack 15 is connected to one side of the working base 1, a feeding hydraulic press 16 is connected to one side of the feeding rack 15, one end of the feeding hydraulic press 16 is sleeved with a feeding hydraulic rod 17, the inside of the feeding rack 15 is slidably connected to a feeding platform 18, the inside of the feeding platform 18 is fixedly connected to a spring device 19, the inside of the feeding platform 18 is inserted with a feeding box 20, the upper surface of the feeding platform 18 is fixedly connected to a feeding cover 21, and the upper surface of the working base 1 is inserted with a battery 22.

[0029] As a preferred implementation in this embodiment, Figure 2 and Figure 4As shown, the upper surface of the working base 1 is plugged with the base hydraulic press 2, one end of the base hydraulic press 2 is sleeved with the base hydraulic rod 3, one end of the base hydraulic rod 3 is sleeved with the sliding assembly 4, the sliding assembly 4 includes a sliding seat 401, a sliding rail 402, a sliding motor 403, a sliding screw 404, and a rotating seat 405. The upper surface of the sliding seat 401 is slidably connected with the sliding rail 402, one end of the sliding rail 402 is plugged with the sliding motor 403, one end of the sliding motor 403 is sleeved with the sliding screw 404, and the upper surface of the sliding rail 402 The surface is slidably connected with a rotating seat 405, and a sliding hole is provided on the other side of the sliding rail 402 to fix one end of the sliding screw 404. The sliding hole limits the sliding screw 404 to prevent it from falling off. The upper surface of the sliding seat 401 is provided with a sliding rail A, and the lower surface of the sliding rail 402 is provided with a sliding block. The sliding block and the sliding rail A are adapted to each other. The interior of the sliding rail 402 is provided with a sliding threaded hole. The sliding rail 402 is fixed to the sliding seat 401 by bolts to prevent displacement. The upper surface of the sliding assembly 4 is plugged with a platform motor 5. The rotating seat The upper surface of 405 is provided with a platform hole, and the platform hole is used to fix the platform motor 5 to prevent it from falling off. The upper surface of the platform motor 5 is sleeved with a working platform 6, and the lower surface of the working platform 6 is provided with a platform shaft, and one end of the platform shaft is plugged with the platform motor 5. The upper surface of the working platform 6 is threaded with a clamping plate 7, and the clamping plate 7 is made of plastic and is symmetrical in number. A working threaded hole is provided on the upper surface of the working platform 6. During use, the clamping plate 7 is fixed to the working platform 6 according to the size of the workpiece by bolts, and the base hydraulic press 2 drives the base hydraulic rod 3 to lift the sliding assembly 4, and the sliding motor 403 drives the sliding lead screw 404 to rotate, so that the rotating seat 405 slides on the upper surface of the sliding rail 402, and the sliding rail 402 slides on the upper surface of the sliding seat 401 by pushing and pulling. After adjusting the position, it is fixed by bolts to avoid displacement, and the working platform 6 is driven by the platform motor 5 to rotate and adjust the position. The rotation of the working platform 6 is adjusted by the lifting and lowering and position adjustment of the sliding assembly 4, so that the position can be adjusted according to the different screw holes of the workpiece, which speeds up the work efficiency and saves manual labor.

[0030] like Figure 5 and Figure 6As shown, in this embodiment, a screw rod 8 is inserted into one side of the working base 1, and a working threaded hole is provided at the bottom of the screw rod 8. The screw rod 8 is threadedly connected to the working base 1 through a working bolt 801 to prevent it from falling off. The screw rod 8 is made of stainless steel, and the number of working bolts 801 is two. One side of the screw rod 8 is fixedly connected to an adsorption hydraulic press 9, and one end of the adsorption hydraulic press 9 is sleeved with an adsorption hydraulic rod 10, and one end of the adsorption hydraulic rod 10 is fixedly connected to an adsorption seat 11. A vacuum pump 12 is inserted into the lower surface of the adsorption seat 11, and a vacuum tube 13 is sleeved at one end of the vacuum pump 12. A vacuum hole is provided on the surface of the screw assembly 14, and the other end of the vacuum tube 13 is fixedly connected to the vacuum hole. The material of the vacuum tube 13 is a rubber hose, and the length is consistent with that of the screw barrel 1401. The lower surface of the adsorption seat 11 is inserted with a screw assembly 14, and the screw assembly 14 includes a screw barrel 1401, a screw hydraulic press 1402, a screw hydraulic rod 1403, and a screw motor 1 404, rotating rod 1405, one end of the screw cylinder 1401 is plugged with a screw hydraulic press 1402, one end of the screw hydraulic press 1402 is sleeved with a screw hydraulic rod 1403, one end of the screw hydraulic rod 1403 is sleeved with a screw motor 1404, one end of the screw motor 1404 is threadedly penetrated by the rotating rod 1405, and one end of the rotating rod 1405 is plugged with a screw turntable. During use, the adsorption hydraulic press 9 drives the adsorption hydraulic rod 10 to make the adsorption seat 11 extend and retract, the screw hydraulic press 1402 drives the screw hydraulic rod 1403 to lift and lower the rotating rod 1405, the screw motor 1404 drives the rotating rod 1405 to rotate to lock the screw, the vacuum pump 12 rotates to exhaust air so that the vacuum tube 13 exhausts air in the screw assembly 14 to adsorb the screw, and the screw assembly 14 adsorbs the screw to lock the screw and the adsorption seat 11 extends and retracts, thereby speeding up the work speed of the workers, speeding up the production speed, increasing the output and improving the economy of the factory.

[0031] like Figure 1 and Figure 7As shown, in this embodiment, a screw assembly 14 is inserted into the lower surface of the adsorption seat 11, a feeding rack 15 is inserted into one side of the working base 1, a feeding threaded hole is provided at the bottom of the feeding rack 15, and the feeding rack 15 is threadedly connected to the working base 1 through a feeding bolt 1501 to prevent it from falling, a feeding slide rail is provided inside the feeding rack 15, and feeding sliders are provided on both sides of the feeding platform 18, and the feeding slide rail and the feeding slider are adapted to each other, a feeding hydraulic press 16 is inserted into one side of the feeding rack 15, and a feeding hydraulic rod 17 is sleeved on one end of the feeding hydraulic press 16, and the feeding platform 18 is slidably connected to the inside of the feeding rack 15, and a platform hole is provided on one side of the feeding platform 18, and the platform hole limits the other end of the feeding hydraulic rod 17 to prevent it from falling off, and the material of the feeding platform 18 is stainless steel, and the inside of the feeding platform 18 is fixedly connected with a spring device 19, and the feeding platform 1 A feed box 20 is inserted into the interior of 8, and the feed box 20 is made of a certain number of plastics. A feed cover 21 is fixedly connected to the upper surface of the feed platform 18, and a battery 22 is inserted into the upper surface of the working base 1. During use, screws are placed in the feed box 20, and a number of feed boxes 20 are placed in the feed platform 18. During use, the feed hydraulic press 16 drives the feed hydraulic rod 17 to make the feed platform 18 slide in the feed rack 15, so that the feed platform 18 slides to the screw assembly 14 for adsorption and locking the screws of the workpiece. After the screws of the feed box 20 are used up, the empty feed box 20 is taken out to make the spring device 19 push the feed box 20 on the rear side forward to supply screws. The supply of screws by the feed box 20 and the sliding of the feed platform 18 can improve production efficiency, speed up feeding, and save workers' physical strength.

[0032] How this utility works:

[0033] During use, the clamping plate 7 is fixed on the working platform 6 according to the size of the workpiece by bolts, the base hydraulic press 2 drives the base hydraulic rod 3 to lift the sliding assembly 4, the sliding motor 403 drives the sliding screw 404 to rotate, so that the rotating seat 405 slides on the upper surface of the sliding rail 402, and the sliding rail 402 slides on the upper surface of the sliding seat 401 by pushing and pulling. After adjusting the position, it is fixed by bolts to avoid displacement, the working platform 6 is driven to rotate and adjust the position by the platform motor 5, and the rotation of the working platform 6 is adjusted by the lifting and lowering and position adjustment of the sliding assembly 4, the adsorption hydraulic press 9 drives the adsorption hydraulic rod 10 to make the adsorption seat 11 extend and retract, the screw hydraulic press 1402 drives the screw hydraulic rod 1403 to lift the rotating rod 1405, and the screw motor 1404 drives the rotating rod 1405 to rotate and lock the screw, and the vacuum pump 12 rotates to exhaust air so that the vacuum tube 13 exhausts air in the screw assembly 14 to adsorb the bolt, and the screw assembly 14 adsorbs the screw to lock the screw and The adsorption seat 11 is retracted, and screws are placed in the feed box 20, and a number of feed boxes 20 are placed inside the feed platform 18. During use, the feed hydraulic press 16 drives the feed hydraulic rod 17 to make the feed platform 18 slide in the feed rack 15, so that the feed platform 18 slides to the screw assembly 14 for adsorption and locking the screws of the workpiece. After the screws in the feed box 20 are used up, the empty feed box 20 is taken out to make the spring device 19 push the rear side of the feed box 20 forward to provide screws. Through the provision of screws in the feed box 20 and the sliding of the feed platform 18, the equipment can adjust the position according to the different screw holes of the workpiece through the lifting and lowering of the sliding assembly 4 and the rotation of the position adjustment working platform 6, so as to adjust the position according to the different screw holes of the workpiece, and the screw assembly 14 adsorbs the screws to lock the screws and the adsorption seat 11 is retracted and retracted. Through the provision of screws in the feed box 20 and the sliding of the feed platform 18, the production efficiency is improved, the feeding speed is accelerated, the physical strength of the workers is saved, the output is increased, and the economy of the factory is improved.

[0034] The electrical components mentioned in this article are all connected to an external main controller and 220V mains electricity, and the main controller can be a conventional known device for controlling a computer or the like.

[0035] Finally, it should be noted that the above is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. A coordinate type single-axis dual-platform adsorption type automatic screw locking machine, comprising a working base (1), characterized in that: The upper surface of the working base (1) is plugged into a base hydraulic press (2), one end of the base hydraulic press (2) is sleeved with a base hydraulic rod (3), one end of the base hydraulic rod (3) is sleeved with a sliding assembly (4), the upper surface of the sliding assembly (4) is plugged into a platform motor (5), the upper surface of the platform motor (5) is sleeved with a working platform (6), a clamping plate (7) is threadedly penetrated through the upper surface of the working platform (6), a screw rod (8) is plugged into one side of the working base (1), one side of the screw rod (8) is fixedly connected to an adsorption hydraulic press (9), one end of the adsorption hydraulic press (9) is sleeved with an adsorption hydraulic rod (10), one end of the adsorption hydraulic rod (10) is fixedly connected to an adsorption seat (11), and the lower surface of the adsorption seat (11) is plugged into A vacuum pump (12) is provided, one end of the vacuum pump (12) is sleeved with a vacuum tube (13), a screw assembly (14) is inserted into the lower surface of the adsorption seat (11), a feeding rack (15) is inserted into one side of the working base (1), a feeding hydraulic press (16) is inserted into one side of the feeding rack (15), one end of the feeding hydraulic press (16) is sleeved with a feeding hydraulic rod (17), the inside of the feeding rack (15) is slidably connected to a feeding platform (18), the inside of the feeding platform (18) is fixedly connected to a spring device (19), the inside of the feeding platform (18) is inserted with a feeding box (20), the upper surface of the feeding platform (18) is fixedly connected to a feeding cover (21), and the upper surface of the working base (1) is inserted with a battery (22).

2. According to claim 1, a coordinate type single-axis dual-platform adsorption type automatic screw locking machine is characterized in that: The sliding assembly (4) comprises a sliding seat (401), a sliding rail (402), a sliding motor (403), a sliding lead screw (404), and a rotating seat (405); the upper surface of the sliding seat (401) is slidably connected to the sliding rail (402); one end of the sliding rail (402) is plugged with the sliding motor (403); one end of the sliding motor (403) is sleeved with the sliding lead screw (404); and the upper surface of the sliding rail (402) is slidably connected to the rotating seat (405).

3. According to claim 2, a coordinate type single-axis dual-platform adsorption type automatic screw locking machine is characterized in that: The other side of the sliding rail (402) is provided with a sliding hole for fixing one end of the sliding lead screw (404), and the sliding hole limits the sliding lead screw (404) to prevent it from falling off.

4. According to claim 1, a coordinate type single-axis dual-platform adsorption type automatic screw locking machine is characterized in that: The screw assembly (14) comprises a screw barrel (1401), a screw hydraulic machine (1402), a screw hydraulic rod (1403), a screw motor (1404), and a rotating rod (1405); one end of the screw barrel (1401) is plugged with the screw hydraulic machine (1402); one end of the screw hydraulic machine (1402) is sleeved with the screw hydraulic rod (1403); one end of the screw hydraulic rod (1403) is sleeved with the screw motor (1404); and one end of the screw motor (1404) is threadedly penetrated by the rotating rod (1405).

5. According to claim 1, a coordinate type single-axis dual-platform adsorption type automatic screw locking machine is characterized in that: A working threaded hole is provided at the bottom of the screw rod (8), and the screw rod (8) is threadedly connected to the working base (1) via a working bolt (801) to prevent it from falling off.

6. The coordinate type single-axis dual-platform adsorption type automatic screw locking machine according to claim 1, characterized in that: A vacuum hole is provided on the surface of the screw assembly (14), and the other end of the vacuum tube (13) is fixedly connected to the vacuum hole.

7. The coordinate type single-axis dual-platform adsorption type automatic screw locking machine according to claim 1, characterized in that: A feeding threaded hole is provided at the bottom of the feeding rack (15), and the feeding rack (15) is threadedly connected to the working base (1) via a feeding bolt (1501) to prevent it from falling.

8. The coordinate type single-axis dual-platform adsorption type automatic screw locking machine according to claim 1, characterized in that: A platform hole is provided on one side of the feeding platform (18), and the platform hole limits the other end of the feeding hydraulic rod (17) to prevent it from falling off.

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