A steel member surface treatment device

Abstract

This application discloses a surface treatment device for steel components, belonging to the field of steel component processing technology. It includes a fixed base, with two sets of L-shaped supports symmetrically arranged above the fixed base. A drive displacement mechanism is arranged below the two sets of L-shaped supports. A vertical frame is fixedly installed at the bottom of the L-shaped supports. A rotating shaft is rotatably connected to one side of the vertical frame. A fixed plate is fixedly installed through one end of the rotating shaft via the L-shaped supports. Several sets of hydraulic rods are fixedly installed on the outer surface of the fixed plate. A clamping block is fixedly installed at the telescopic end of the hydraulic rods. A lifting frame is fixedly installed at the bottom of the L-shaped supports, located on one side of the rotating shaft. A motor is fixedly installed at the top of the lifting frame. A driving bevel gear is fixedly installed at the output end of the motor. A driven bevel gear is fixedly installed on the outer surface of the rotating shaft, and the driven bevel gear meshes with the driving bevel gear. This device does not require contact with the outer wall of the steel component, avoiding the risk of indentation and coating peeling, and is beneficial to improving the coating quality of the steel component.

Description

Technical Field

[0001] This application relates to the field of steel component processing technology, and in particular to a steel component surface treatment device. Background Technology

[0002] A published patent document (CN212397125U) discloses a multifunctional surface treatment device suitable for large-sized steel components. It includes a base plate, a drive roller assembly, a driven roller assembly, a coating assembly, and a drying assembly. The circular steel column to be processed can be horizontally mounted on the drive roller assembly and the driven roller assembly and rotated. The coating assembly, located on the base plate, sprays coating onto the outer surface of the circular steel column. The drying assembly, also located on the base plate, dries the outer surface of the circular steel column. This device is suitable for various surface treatment operations on large cylindrical steel components, exhibiting strong adaptability and flexibility, while also requiring minimal site space and causing minimal environmental pollution.

[0003] In practical use, the above scheme involves horizontally mounting the steel component on the drive roller and driven roller and rotating it by the drive roller. Then, the coating assembly sprays the outer surface of the steel component. However, when the drive roller and driven roller support the outer wall of the steel component and drive it to rotate, the coating after spraying is easily damaged, which may cause indentations or peeling, affecting the spraying effect on the steel component. Therefore, this application provides a steel component surface treatment device. Utility Model Content

[0004] To address the shortcomings of existing technologies, this application provides a surface treatment device for steel components, which overcomes the deficiencies of existing technologies. It aims to solve the problem that in practical use, the above solutions involve horizontally mounting the steel component on a drive roller and a driven roller, driving it to rotate, and then the coating assembly sprays the outer surface of the steel component. However, when the drive roller and driven roller support the outer wall of the steel component and drive it to rotate, the completed coating is easily damaged, resulting in indentations or coating peeling, which affects the coating effect on the steel component.

[0005] To achieve the above objectives, this application provides the following technical solution: a surface treatment device for steel components, comprising a fixed base, two sets of L-shaped supports symmetrically arranged above the fixed base, a driving displacement mechanism arranged below the two sets of L-shaped supports, a vertical frame fixedly installed at the bottom of the L-shaped supports, a rotating shaft rotatably connected to one side of the vertical frame, a fixed plate fixedly installed through the L-shaped supports at one end of the rotating shaft, several sets of hydraulic rods fixedly installed on the outer surface of the fixed plate, a clamping block fixedly installed at the telescopic end of the hydraulic rods, a lifting frame fixedly installed at the bottom of the L-shaped supports on one side of the rotating shaft, a motor fixedly installed at the top of the lifting frame, a driving bevel gear fixedly installed at the output end of the motor, a driven bevel gear fixedly installed on the outer surface of the rotating shaft, the driven bevel gear meshing with the driving bevel gear, two sets of electric slides fixedly installed at the bottom of the fixed base, electric sliders slidably connected to the sliding ends of the electric slides, and a spraying mechanism and a drying mechanism respectively arranged above the two sets of electric sliders.

[0006] By adopting the above technical solution, when treating the surface of the steel component, the steel component is placed between two sets of L-shaped supports. The distance between the two sets of L-shaped supports is adjusted by driving the displacement mechanism, so that the two sets of fixing plates are located inside both ends of the steel component. Several sets of hydraulic rods extend and retract to make the clamping blocks abut against the inner wall of the steel component, thereby supporting the inner walls of both ends of the steel component. Then, two sets of motors and electric slides are started simultaneously. The motors drive the active bevel gear and the driven bevel gear to mesh and rotate, thereby driving the rotating shaft, fixing plates, and hydraulic rods to rotate, thus causing the steel component to rotate. Then, the electric slider drives the spraying mechanism to move horizontally to spray the surface of the steel component. This device does not need to contact the outer wall of the steel component, avoiding the risk of indentation and coating peeling, and is conducive to improving the spraying quality of the steel component.

[0007] As a preferred technical solution of this application, the spraying mechanism includes a rectangular block, which is fixedly installed on the top of the corresponding electric slider. A diagonal support block is fixedly installed on the top of the rectangular block, and an electric push rod is fixedly installed on the top of the diagonal support block. A spraying pipe is fixedly installed on the telescopic end of the electric push rod, a feed pipe is fixedly installed on the top of the spraying pipe, and a spray head is fixedly installed on the spraying end of the spraying pipe.

[0008] By adopting the above technical solution, the spraying pipe is connected to an external paint supply device through the feed pipe. According to the size of the steel column to be processed, the electric push rod is activated to extend and retract, causing the spraying pipe to move closer to the outer wall of the steel component. Then, the electric slider drives the rectangular block to move and spray the rotating steel component. This is beneficial for spraying steel components of different diameters and improves the applicability during use.

[0009] As a preferred technical solution of this application, the driving displacement mechanism includes a motor bracket, which is fixedly installed in the middle of the fixed base. A double-headed motor is fixedly installed at the top of the motor bracket. Both output ends of the double-headed motor are fixedly installed with screws. The screws are rotatably connected to the fixed base. The outer surface of the screws is threaded with movable seats. Connecting rods are fixedly installed between the two sets of movable seats and the corresponding L-shaped brackets.

[0010] By adopting the above technical solution, two sets of screws are driven to rotate by a dual-head motor. The screws have opposite thread directions, which causes the two sets of connecting rods to move the two sets of L-shaped brackets closer or further apart. This allows the device to support steel components of different diameters, thus improving its applicability.

[0011] As a preferred technical solution of this application, the drying mechanism includes a rectangular block two, which is fixedly installed on the top of the corresponding electric slider. A diagonal support block two is fixedly installed on the top of the rectangular block two, and an electric push rod two is fixedly installed on the top of the diagonal support block two. A drying hood is fixedly installed on the telescopic end of the electric push rod two, and an air inlet pipe is fixedly installed on the top of the drying hood.

[0012] By adopting the above technical solution, the drying hood is connected to an external hot air output device through an air inlet pipe. According to the size of the steel column to be processed, the electric push rod 2 is activated to extend and retract, causing the drying hood to move closer to the outer wall of the steel component. Then, the electric slider drives the rectangular block 2 to move and dry the area of ​​the steel component after spraying, which improves the processing efficiency of the steel component.

[0013] As a preferred technical solution of this application, the bottom of the fixed base is provided with two sets of guide grooves, the two sets of guide grooves are located on both sides of the motor bracket, the guide grooves are slidably connected with guide blocks, and the guide blocks are fixedly installed with the corresponding moving bases.

[0014] By adopting the above technical solution, the linkage block and guide block are displaced when the linkage rod is displaced, and the guide block moves along the guide groove to guide the linkage rod, thereby improving the support and guiding effect of the L-shaped bracket.

[0015] As a preferred technical solution of this application, a plurality of sets of hydraulic rods are arranged in a circumferential shape along the outer surface of the corresponding fixing plate, and at least six sets of hydraulic rods are arranged on the outer wall of the fixing plate.

[0016] By adopting the above technical solution, at least six sets of hydraulic rods are arranged in a circumferential shape along the outer surface of the corresponding fixed plate, and several sets of clamping blocks provide multi-point support for the inner wall of the steel component with uniform contact stress distribution, thereby improving the support effect of the steel component.

[0017] As a preferred technical solution of this application, an anti-slip pad is fixedly installed at the end of the clamping block away from the hydraulic rod, and the anti-slip pad is made of rubber.

[0018] By adopting the above technical solution, the friction coefficient between the anti-slip pad and the contact surface of the steel component is increased, preventing slippage and improving the fixing effect of the steel component.

[0019] As a preferred technical solution of this application, a controller is fixedly installed on one side of the fixed base, and a pressure sensor is fixedly installed inside the clamping block. The pressure sensor and the hydraulic rod are both electrically connected to the controller.

[0020] By adopting the above technical solution, the pressure sensor detects the pressure when the clamping block contacts the inner wall of the steel component in real time, and the controller controls the start and stop of the hydraulic rod according to the feedback data of the clamping block, thereby further improving the fixing effect of the steel component.

[0021] The beneficial effects of this application are:

[0022] 1. When treating the surface of a steel component, the steel component is placed between two sets of L-shaped supports. The distance between the two sets of L-shaped supports is adjusted by a drive displacement mechanism, so that the two sets of fixing plates are located inside both ends of the steel component. Several sets of hydraulic rods extend and retract to make the clamping blocks abut against the inner wall of the steel component, thereby supporting the inner walls of both ends of the steel component. Then, two sets of motors and electric slides are started simultaneously. The motors drive the active bevel gear and the driven bevel gear to mesh and rotate, thereby driving the rotating shaft, fixing plates, and hydraulic rods to rotate, thus causing the steel component to rotate. Then, the electric slider drives the spraying mechanism to move horizontally to spray the surface of the steel component. This device does not need to contact the outer wall of the steel component, avoiding the risk of indentation and coating peeling, and is conducive to improving the spraying quality of the steel component.

[0023] 2. The spray pipe is connected to an external paint supply device through a feed pipe. According to the size of the steel column to be treated, the electric push rod is activated to extend and retract, causing the spray pipe to move closer to the outer wall of the steel component. Then, the electric slider drives the rectangular block to move and spray the rotating steel component. This is beneficial for spraying steel components of different diameters and improves the applicability during use. Attached Figure Description

[0024] Figure 1 This is a top view of the structure of this application;

[0025] Figure 2 This is a side view of the structure of this application;

[0026] Figure 3 This is a partial structural diagram of this application;

[0027] Figure 4 This is a schematic diagram of the spraying and drying mechanisms;

[0028] Figure 5 for Figure 3 Enlarged structural diagram at point A in the middle.

[0029] In the diagram: 1. Fixed base; 2. L-shaped bracket; 3. Drive displacement mechanism; 301. Motor bracket; 302. Dual-head motor; 303. Screw; 304. Moving base; 305. Connecting rod; 4. Stand; 5. Rotating shaft; 6. Fixed plate; 7. Hydraulic rod; 8. Clamping block; 9. Lifting frame; 10. Motor; 11. Driving bevel gear; 12. Driven bevel gear; 13. Electric slide table; 14. Electric slider; 15. Spraying mechanism; 1501. Rectangular Block 1; 1502. Diagonal Bracing Block 1; 1503. Electric Push Rod 1; 1504. Spraying Pipe; 1505. Feed Pipe; 1506. Spray Nozzle; 16. Drying Mechanism; 1601. Rectangular Block 2; 1602. Diagonal Bracing Block 2; 1603. Electric Push Rod 2; 1604. Drying Hood; 1605. Air Inlet Pipe; 17. Guide Groove; 18. Guide Block; 19. Connecting Block; 20. Anti-slip Pad; 21. Controller. Detailed Implementation

[0030] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0031] Reference Figure 1-5A surface treatment device for steel components includes a fixed base 1, two sets of L-shaped brackets 2 symmetrically arranged above the fixed base 1, a drive displacement mechanism 3 arranged below the two sets of L-shaped brackets 2, a stand 4 fixedly installed at the bottom of the L-shaped brackets 2, a rotating shaft 5 rotatably connected to one side of the stand 4, a fixed plate 6 fixedly installed through the L-shaped brackets 2 at one end of the rotating shaft 5, several sets of hydraulic rods 7 fixedly installed on the outer surface of the fixed plate 6, a retaining block 8 fixedly installed at the telescopic end of the hydraulic rods 7, a lifting frame 9 fixedly installed at the bottom of the L-shaped brackets 2 on one side of the rotating shaft 5, a motor 10 fixedly installed at the top of the lifting frame 9, a driving bevel gear 11 fixedly installed at the output end of the motor 10, and a driven bevel gear 12 fixedly installed on the outer surface of the rotating shaft 5. The moving bevel gear 12 meshes with the driving bevel gear 11. Two sets of electric slide tables 13 are fixedly installed at the bottom of the fixed base 1. The sliding end of the electric slide table 13 is slidably connected to an electric slider 14. A spraying mechanism 15 and a drying mechanism 16 are respectively arranged above the two sets of electric sliders 14. The drive displacement mechanism 3 includes a motor bracket 301, which is fixedly installed in the middle of the fixed base 1. A double-head motor 302 is fixedly installed at the top of the motor bracket 301. Screws 303 are fixedly installed at both output ends of the double-head motor 302. The screws 303 are rotatably connected to the fixed base 1. A movable seat 304 is threadedly connected to the outer surface of the screw 303. A connecting rod 305 is fixedly installed between the two sets of movable seats 304 and the corresponding L-shaped bracket 2.

[0032] When treating the surface of the steel component, the steel component is placed between two sets of L-shaped supports 2. The distance between the two sets of L-shaped supports 2 is adjusted by the drive displacement mechanism 3, so that the two sets of fixing plates 6 are located inside both ends of the steel component. Several sets of hydraulic rods 7 extend and retract, causing the clamping blocks 8 to abut against the inner wall of the steel component, thereby supporting the inner walls at both ends of the steel component. Then, two sets of motors 10 and electric slides 13 are started simultaneously. The motors 10 drive the driving bevel gear 11 and the driven bevel gear 12 to mesh and rotate, thereby driving the rotating shaft 5, fixing plates 6, and hydraulic rods 7 to rotate. The device rotates the steel component, and then the electric slider 14 drives the spraying mechanism 15 to move horizontally to spray the surface of the steel component. This device does not need to contact the outer wall of the steel component, avoiding the risk of indentation and coating peeling, and is conducive to improving the spraying quality of the steel component. The dual-head motor 302 drives the two sets of screws 303 to rotate. The threads of the two sets of screws 303 are opposite, so that the two sets of connecting rods 305 drive the two sets of L-shaped brackets 2 to move closer or further apart, so that steel components of different diameters can be supported, improving the applicability of this device.

[0033] Reference Figure 2-4The spraying mechanism 15 includes a rectangular block 1501, which is fixedly installed on the top of the corresponding electric slider 14. A diagonal support block 1502 is fixedly installed on the top of the rectangular block 1501. An electric push rod 1503 is fixedly installed on the top of the diagonal support block 1502. A spraying pipe 1504 is fixedly installed on the telescopic end of the electric push rod 1503. A feed pipe 1505 is fixedly installed on the top of the spraying pipe 1504. The spraying end of the spraying pipe 1504... A nozzle 1506 is fixedly installed; the drying mechanism 16 includes a rectangular block 1601, which is fixedly installed on the top of the corresponding electric slider 14. A diagonal support block 1602 is fixedly installed on the top of the rectangular block 1601, and an electric push rod 1603 is fixedly installed on the top of the diagonal support block 1602. A drying hood 1604 is fixedly installed on the telescopic end of the electric push rod 1603, and an air inlet pipe 1605 is fixedly installed on the top of the drying hood 1604.

[0034] The spray pipe 1504 is connected to an external paint supply device via the feed pipe 1505. Based on the dimensions of the steel column to be processed, the electric push rod 1503 is activated to extend and retract, causing the spray pipe 1504 to move closer to the outer wall of the steel component. Then, the electric slider 14 moves the rectangular block 1501 to spray the rotating steel component. This facilitates spraying steel components of different diameters and improves its applicability. The drying hood 1604 is connected to an external hot air output device via the air inlet pipe 1605. Based on the dimensions of the steel column to be processed, the electric push rod 1603 is activated to extend and retract, causing the drying hood 1604 to move closer to the outer wall of the steel component. Then, the electric slider 14 moves the rectangular block 1601 to dry the sprayed area of ​​the steel component, improving the processing efficiency of the steel component.

[0035] Reference Figure 2-5 Two sets of guide grooves 17 are provided at the bottom of the fixed base 1. The two sets of guide grooves 17 are located on both sides of the motor bracket 301. Guide blocks 18 are slidably connected inside the guide grooves 17. A connecting block 19 is fixedly installed between the guide block 18 and the corresponding movable base 304. An anti-slip pad 20 is fixedly installed at the end of the clamping block 8 away from the hydraulic rod 7. The anti-slip pad 20 is made of rubber. When the connecting rod 305 is displaced, the connecting block 19 and the guide block 18 are displaced in conjunction. The guide block 18 moves along the guide groove 17 to guide the connecting rod 305, which improves the support and guiding effect of the L-shaped bracket 2. The anti-slip pad 20 increases the friction coefficient between the clamping block 8 and the inner wall of the steel component, prevents slippage, and improves the fixing effect of the steel component.

[0036] Reference Figure 2-4Several sets of hydraulic rods 7 are arranged in a circumferential pattern along the outer surface of the corresponding fixing plate 6, and at least six sets of hydraulic rods 7 are arranged on the outer wall of the fixing plate 6. A controller 21 is fixedly installed on one side of the fixing seat 1, and a pressure sensor is fixedly installed inside the clamping block 8. The pressure sensor and the hydraulic rods 7 are electrically connected to the controller 21. By arranging at least six sets of hydraulic rods 7 in a circumferential pattern along the outer surface of the corresponding fixing plate 6, the clamping blocks 8 provide multi-point support to the inner wall of the steel component, and the contact stress is evenly distributed, which improves the support effect of the steel component. The pressure sensor detects the pressure when the clamping block 8 contacts the inner wall of the steel component in real time. The controller 21 controls the start and stop of the hydraulic rods 7 according to the feedback data of the clamping block 8, thereby further improving the fixing effect of the steel component.

[0037] Working principle: When treating the surface of a steel component, the steel component is placed between two sets of L-shaped supports 2. The distance between the two sets of L-shaped supports 2 is adjusted by the drive displacement mechanism 3 so that the two sets of fixing plates 6 are located inside both ends of the steel component. Several sets of hydraulic rods 7 extend and retract to make the clamping block 8 abut against the inner wall of the steel component, thereby supporting the inner walls of both ends of the steel component. Then, two sets of motors 10 and electric slide table 13 are started at the same time. The motors 10 drive the active bevel gear 11 and the driven bevel gear 12 to mesh and rotate, thereby driving the rotating shaft 5, fixing plate 6, and hydraulic rods 7 to rotate, so that the steel component rotates. The spray pipe 1504 is connected to the external paint supply device through the feed pipe 1505. According to the size of the steel column to be treated, the electric push rod 1503 is started to extend and retract to drive the spray pipe 1504 to move, so that the spray head 1506 is close to the outer wall of the steel component. Then, the electric slider 14 drives the rectangular block 1501 to move and spray the rotating steel component.

[0038] The system utilizes a dual-head motor 302 to drive two sets of screws 303 to rotate. The screws 303 have opposite thread directions, causing two sets of connecting rods 305 to move the two sets of L-shaped brackets 2 closer or further apart, thus supporting steel components of different diameters. The drying hood 1604 is connected to an external hot air output device through an air inlet pipe 1605. Based on the size of the steel column to be processed, the electric push rod 1603 is activated to extend and retract, causing the drying hood 1604 to move closer to the outer wall of the steel component. Then, the electric slider 14 drives the rectangular block 1601 to move and dry the area of ​​the steel component after spraying.

[0039] Simultaneously, when the connecting rod 305 is displaced, the linkage block 19 and guide block 18 are displaced, and the guide block 18 moves along the guide groove 17 to guide the connecting rod 305.

[0040] In addition, the friction coefficient between the anti-slip pad 20 and the contact surface between the clamping block 8 and the inner wall of the steel component is increased; the pressure sensor detects the pressure when the clamping block 8 contacts the inner wall of the steel component in real time, and the controller 21 controls the start and stop of the hydraulic rod 7 according to the feedback data of the clamping block 8.

[0041] The above description is merely a preferred embodiment of this application and is not intended to limit this application. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. A surface treatment device for steel components, comprising a fixing base (1), characterized in that, Two sets of L-shaped brackets (2) are symmetrically arranged above the fixed base (1). A drive displacement mechanism (3) is arranged below the two sets of L-shaped brackets (2). A stand (4) is fixedly installed at the bottom of the L-shaped bracket (2). A rotating shaft (5) is rotatably connected to one side of the stand (4). A fixed plate (6) is fixedly installed through the L-shaped bracket (2) at one end of the rotating shaft (5). Several sets of hydraulic rods (7) are fixedly installed on the outer surface of the fixed plate (6). A clamping block (8) is fixedly installed at the telescopic end of the hydraulic rod (7). The bottom of the L-shaped bracket (2) is located on one side of the rotating shaft (5). A lifting frame (9) is fixedly installed. A motor (10) is fixedly installed at the top of the lifting frame (9). An active bevel gear (11) is fixedly installed at the output end of the motor (10). A driven bevel gear (12) is fixedly installed on the outer surface of the rotating shaft (5). The driven bevel gear (12) meshes with the active bevel gear (11). Two sets of electric slides (13) are fixedly installed at the bottom of the fixed base (1). An electric slider (14) is slidably connected to the sliding end of the electric slide (13). A spraying mechanism (15) and a drying mechanism (16) are respectively provided above the two sets of electric sliders (14).

2. The steel component surface treatment device according to claim 1, characterized in that, The spraying mechanism (15) includes a rectangular block (1501), which is fixedly installed on the top of the corresponding electric slider (14). A diagonal support block (1502) is fixedly installed on the top of the rectangular block (1501). An electric push rod (1503) is fixedly installed on the top of the diagonal support block (1502). A spraying pipe (1504) is fixedly installed on the telescopic end of the electric push rod (1503). A feed pipe (1505) is fixedly installed on the top of the spraying pipe (1504). A nozzle (1506) is fixedly installed on the spraying end of the spraying pipe (1504).

3. The steel component surface treatment device according to claim 1, characterized in that, The driving displacement mechanism (3) includes a motor bracket (301), which is fixedly installed in the middle of the fixed base (1). A double-headed motor (302) is fixedly installed at the top of the motor bracket (301). Screws (303) are fixedly installed at both output ends of the double-headed motor (302). The screws (303) are rotatably connected to the fixed base (1). A movable seat (304) is threadedly connected to the outer surface of the screws (303). A connecting rod (305) is fixedly installed between the two movable seats (304) and the corresponding L-shaped bracket (2).

4. The surface treatment device for steel components according to claim 1, characterized in that, The drying mechanism (16) includes a rectangular block two (1601), which is fixedly installed on the top of the corresponding electric slider (14). A diagonal support block two (1602) is fixedly installed on the top of the rectangular block two (1601), and an electric push rod two (1603) is fixedly installed on the top of the diagonal support block two (1602). A drying hood (1604) is fixedly installed on the telescopic end of the electric push rod two (1603), and an air inlet pipe (1605) is fixedly installed on the top of the drying hood (1604).

5. The steel component surface treatment device according to claim 3, characterized in that, The bottom of the fixed base (1) is provided with two sets of guide grooves (17). The two sets of guide grooves (17) are located on both sides of the motor bracket (301). The guide grooves (17) are slidably connected to the inside of the guide blocks (18). A connecting block (19) is fixedly installed between the guide blocks (18) and the corresponding moving base (304).

6. The surface treatment device for steel components according to claim 1, characterized in that, Several sets of hydraulic rods (7) are arranged in a circumferential shape along the outer surface of the corresponding fixing plate (6), and at least six sets of hydraulic rods (7) are arranged on the outer wall of the fixing plate (6).

7. The surface treatment device for steel components according to claim 1, characterized in that, An anti-slip pad (20) is fixedly installed at the end of the clamping block (8) away from the hydraulic rod (7), and the anti-slip pad (20) is made of rubber.

8. The surface treatment device for steel components according to claim 1, characterized in that, A controller (21) is fixedly installed on one side of the fixed base (1), and a pressure sensor is fixedly installed inside the abutment block (8). The pressure sensor and the hydraulic rod (7) are both electrically connected to the controller (21).

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