Drilling tool special for pump cover flange

Abstract

The drilling tool special for the pump cover flange comprises a movable disc and a supporting ring, the supporting ring is arranged above the movable disc, three sets of integrated plates are installed at the bottom end of the supporting ring at equal intervals, the integrated plates are connected with the movable disc, servo motors are installed at the bottom ends of the integrated plates, and the servo motors are connected with the movable disc. And the output ends of the servo motors are provided with threaded rods, the threaded rods are movably connected with the integrated plate, the surfaces of the threaded rods are sleeved with threaded sleeves, the threaded sleeves are slidably connected with the integrated plate, the threaded sleeves are in threaded connection with the threaded rods, and the side walls of the threaded sleeves are provided with short connecting arms. According to the drilling device, the pump cover flange can be conveniently clamped and fixed in a linkage external expansion mode and conveniently lifted in a multi-position linkage mode, the pump cover flange can be conveniently subjected to circumferential rotation to be sequentially drilled and output, and the drilling convenience is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of drilling tools, in particular to a special drilling tool for a pump cover flange. Background Art

[0002] Flange is also called flange flange or flange. Flange is a part that connects shafts to each other and is used to connect pipe ends. Flange connection is to fix two pipes, pipe fittings or equipment on a flange plate respectively, add flange gaskets between the two flange plates, and fasten them together with bolts to complete the connection. There are holes on the flanges, and the bolts make the two flanges tightly connected. In order to better drill the holes, a special drilling tool for pump cover flange is proposed.

[0003] For example, a special tool for drilling a sleeve flange disclosed in the authorization announcement number CN210209517U includes a base plate, a fixing seat, a connecting piece, a chuck body, a slide groove, a claw, a support column, a clamping piece, a wrench insertion square hole, a small bevel gear, a large bevel gear, a spiral groove and a tooth pattern;

[0004] Although it realizes that a special tooling for drilling a sleeve flange is set, and then an external wrench is inserted into the wrench insertion square hole for rotation, the rotation of the small bevel gear drives the rotation of the large bevel gear, and then the spiral groove on the large bevel gear rotates, so that the tooth pattern on the claw moves with the spiral groove in the slide groove of the chuck body, and the flange is clamped by the clamping piece on the support column, so as to ensure the drilling accuracy, and the structure is simple;

[0005] However, the problem that the existing drilling tooling is not conducive to the convenient linkage outward expansion clamping and fixing of the pump cover flange and the convenient multi-position linkage lifting of the pump cover flange when in use, is not conducive to circular rotation of the pump cover flange for drilling holes in sequence and output of the pump cover flange, thus affecting the convenience of drilling. Utility Model Content

[0006] The purpose of the utility model is to provide a special drilling tool for pump cover flange to solve the problem that the drilling tool proposed in the above background technology is not convenient for the convenient linkage outward expansion clamping and fixing of the pump cover flange and the convenient multi-position linkage lifting of the pump cover flange, is not conducive to the circular rotation of the pump cover flange to drill holes in sequence and output the pump cover flange, thus affecting the convenience of drilling.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a special drilling tool for a pump cover flange, comprising a movable disk and a support ring, a support ring is arranged above the movable disk, three groups of integrated boards with equal spacing are installed at the bottom end of the support ring, and the integrated boards are connected to the movable disk, servo motors are installed at the bottom ends of the integrated boards, threaded rods are installed at the output ends of the servo motors, and the threaded rods are movably connected to the integrated boards, threaded sleeves are mounted on the surfaces of the threaded rods, and the threaded sleeves are slidably connected to the integrated boards, and the threaded sleeves are threadedly connected to the threaded rods, short connecting arms are installed on the side walls of the threaded sleeves, and the short connecting arms are installed on the side walls of the threaded sleeves. A clamping shaft is installed at one end of the connecting arm close to the threaded sleeve, and the short connecting arm is movably connected to the threaded sleeve through the clamping shaft, a long connecting arm is installed at one end of the short connecting arm away from the threaded sleeve, a pin is installed on the side of the long connecting arm close to the short connecting arm, and the long connecting arm is movably connected to the short connecting arm through the pin, a hinge shaft is installed at one end of the long connecting arm close to the supporting ring, and the long connecting arm is movably connected to the supporting ring through the hinge shaft, a clamping block is installed at one end of the long connecting arm away from the supporting ring, a linkage shaft is installed on the side of the clamping block close to the long connecting arm, and the clamping block is movably connected to the long connecting arm through the linkage shaft, and a base is arranged under the movable disk.

[0008] Preferably, a movable shaft is installed at the bottom end of the movable disk, a limiting disk is installed at the bottom end of the movable shaft, and the limiting disk is slidably connected to the base.

[0009] Preferably, a support plate is installed on the side wall of the base, and a driving motor is installed on the top of the support plate.

[0010] Preferably, a gear is installed at the output end of the driving motor, a gear ring is installed on the outer wall of the movable disk, and the gear ring and the gear are meshed with each other.

[0011] Preferably, a lifting hydraulic rod is installed inside the movable disk on one side of the integrated board, and a lifting push arm is installed at the output end of the lifting hydraulic rod.

[0012] Preferably, support blocks are installed on the top ends of the lifting push arms, and load-bearing hydraulic rods are installed on the side walls of the support blocks.

[0013] Preferably, the load-bearing hydraulic rod is fixedly connected to the support block, and the output ends of the load-bearing hydraulic rod are all equipped with load-bearing push rods.

[0014] Preferably, a bearing block is installed at one end of the bearing push rod away from the bearing hydraulic rod, and the bearing block is fixedly connected to the bearing push rod.

[0015] Compared with the prior art, the utility model has the following beneficial effects: the drilling tool not only realizes convenient linkage outward expansion clamping and fixing of the pump cover flange and convenient multi-position linkage lifting of the pump cover flange, but also facilitates the circular rotation of the pump cover flange to drill holes in sequence and output the pump cover flange, and improves the convenience of drilling holes;

[0016] (1) The threaded rod is driven to rotate by the servo motor, the threaded rod drives the threaded sleeve to move, the threaded sleeve drives the short connecting arm to rotate through the clamping shaft, the short connecting arm drives the long connecting arm to rotate with the hinge shaft as the axis through the pin shaft, and the long connecting arm drives the clamping block to rotate through the linkage shaft, so that the clamping block contacts the inner wall of the pump cover flange. Under the joint action of multiple groups of clamping blocks, the pump cover flange is clamped and fixed from the inside of the pump cover flange, the load-bearing hydraulic rod is opened, the load-bearing hydraulic rod drives the load-bearing push rod to move, and the load-bearing push rod drives the load-bearing block to move, so that the multiple groups of load-bearing blocks move to the bottom of the pump cover flange, so that the multiple groups of load-bearing blocks support the bottom of the pump cover flange. The pump cover flange is then drilled by a drilling machine. When a hole is drilled, the drive motor drives the gear to rotate, the gear drives the gear ring to rotate, the gear ring drives the movable disk to rotate, the movable disk drives the movable shaft and the limit disk to rotate inside the base, the base provides limited sliding support for the limit disk, the movable disk drives the clamping block and the pump cover flange to rotate, and the next hole position is rotated to the drilling machine position, so as to complete the drilling operation of the pump cover flange in sequence, realizing a convenient linkage outward expansion clamping and fixing of the pump cover flange, facilitating the circular rotation of the pump cover flange for drilling in sequence, and improving the convenience of drilling;

[0017] (2) After the drilling of the pump cover flange is completed, the servo motor is turned off, the clamping block is detached from the inner wall of the pump cover flange, and the lifting hydraulic rod drives the lifting push arm to move. Multiple sets of lifting push arms drive the supporting block, the bearing hydraulic rod, the bearing push rod, the bearing block and the pump cover flange to move upward to lift the pump cover flange to the picking position, so as to facilitate the output of the pump cover flange, thereby realizing convenient multi-position linkage lifting of the pump cover flange and facilitating the output of the pump cover flange. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0019] Figure 2 This is a front view structural schematic diagram of the utility model;

[0020] Figure 3 It is a schematic diagram of the three-dimensional structure of the bearing block of the utility model;

[0021] Figure 4 It is a three-dimensional structural schematic diagram of the integrated board of the utility model;

[0022] Figure 5It is a front cross-sectional structural schematic diagram of the base of the utility model.

[0023] In the figure: 1. base; 2. support plate; 3. gear; 4. support ring; 5. clamping block; 6. drive motor; 7. servo motor; 8. lifting hydraulic rod; 9. gear ring; 10. movable disk; 11. lifting push arm; 12. support block; 13. load-bearing hydraulic rod; 14. load-bearing push rod; 15. load-bearing block; 16. movable shaft; 17. threaded rod; 18. threaded sleeve; 19. long connecting arm; 20. short connecting arm; 21. articulated shaft; 22. linkage shaft; 23. pin shaft; 24. clamping shaft; 25. integrated board; 26. limit plate. DETAILED DESCRIPTION

[0024] 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. 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.

[0025] See also Figure 1-5 , an embodiment provided by the utility model: a special drilling tool for a pump cover flange, comprising a movable disk 10 and a support ring 4, a support ring 4 is arranged above the movable disk 10, three groups of integrated boards 25 with equal spacing are installed at the bottom end of the support ring 4, and the integrated boards 25 are connected to the movable disk 10, and a servo motor 7 is installed at the bottom end of the integrated board 25, and the servo motor 7 plays a role of power drive, and a threaded rod 17 is installed at the output end of the servo motor 7, and the threaded rod 17 is movably connected to the integrated board 25, and the surface of the threaded rod 17 is covered with a threaded sleeve 18, and the threaded sleeve 18 is slidably connected to the integrated board 25, and the threaded sleeve 18 is threadedly connected to the threaded rod 17, and a short connecting arm 20 is installed on the side wall of the threaded sleeve 18, and the short connecting arm 20 is close to A clamping shaft 24 is installed at one end of the threaded sleeve 18, and the short connecting arm 20 is movably connected to the threaded sleeve 18 through the clamping shaft 24, a long connecting arm 19 is installed at one end of the short connecting arm 20 away from the threaded sleeve 18, a pin 23 is installed on the side of the long connecting arm 19 close to the short connecting arm 20, and the long connecting arm 19 is movably connected to the short connecting arm 20 through the pin 23, a hinge shaft 21 is installed at one end of the long connecting arm 19 close to the support ring 4, and the long connecting arm 19 is movably connected to the support ring 4 through the hinge shaft 21, a clamping block 5 is installed at one end of the long connecting arm 19 away from the support ring 4, a linkage shaft 22 is installed on the side of the clamping block 5 close to the long connecting arm 19, and the clamping block 5 is movably connected to the long connecting arm 19 through the linkage shaft 22, and a base 1 is provided below the movable disk 10;

[0026] First, the inner ring of the pump cover flange is sleeved on the outside of multiple groups of clamping blocks 5, and the device is connected to an external controller and an external circuit. The servo motor 7 is turned on, and the servo motor 7 drives the threaded rod 17 to rotate. Under the threaded connection between the threaded rod 17 and the threaded sleeve 18, and under the sliding cooperation between the threaded sleeve 18 and the integrated board 25, the threaded rod 17 drives the threaded sleeve 18 to move, and the threaded sleeve 18 drives the short connecting arm 20 to rotate through the clamping shaft 24. The short connecting arm 20 drives the long connecting arm 19 to rotate around the hinge shaft 21 through the pin shaft 23, and the long connecting arm 19 drives the clamping block 5 to rotate through the linkage shaft 22, so that the clamping block 5 contacts the inner wall of the pump cover flange. Under the joint action of the multiple groups of clamping blocks 5, the pump cover flange is clamped and fixed from the inside of the pump cover flange, and the load-bearing hydraulic rod 13 is opened, and the load-bearing hydraulic rod 13 drives the load-bearing push rod 14 to move, and the load-bearing push rod 14 drives the load-bearing The carrier block 15 moves, so that the multiple groups of carrier blocks 15 move to the bottom of the pump cover flange, so that the multiple groups of carrier blocks 15 support the bottom of the pump cover flange, and then the drilling machine is used to complete the drilling operation on the pump cover flange. When a hole is drilled, the drive motor 6 is turned on, and the drive motor 6 drives the gear 3 to rotate. Under the mutual meshing of the gear 3 and the gear ring 9, the gear 3 drives the gear ring 9 to rotate, and the gear ring 9 drives the movable disk 10 to rotate. The movable disk 10 drives the movable shaft 16 and the limit plate 26 to rotate inside the base 1, and the base 1 provides limited sliding support for the limit plate 26. The movable disk 10 drives the clamping block 5 and the pump cover flange to rotate, so as to rotate the next hole position to the drilling machine position, and complete the drilling operation of the pump cover flange in sequence, thereby realizing a convenient linkage outward expansion clamping and fixing of the pump cover flange, facilitating the circular rotation of the pump cover flange and drilling in sequence, thereby improving the convenience of drilling;

[0027] A movable shaft 16 is installed at the bottom end of the movable plate 10, and a limit plate 26 is installed at the bottom end of the movable shaft 16, and the limit plate 26 is slidably connected to the base 1;

[0028] A support plate 2 is installed on the side wall of the base 1, and a drive motor 6 is installed on the top of the support plate 2, and the drive motor 6 plays a role of power drive;

[0029] The output end of the driving motor 6 is equipped with a gear 3, and the outer wall of the movable disk 10 is equipped with a gear ring 9, and the gear ring 9 and the gear 3 are meshed with each other. The movable disk 10 on one side of the integrated board 25 is equipped with a lifting hydraulic rod 8, and the lifting hydraulic rod 8 plays a role of power driving. The output end of the lifting hydraulic rod 8 is equipped with a lifting push arm 11;

[0030] The top of the lifting push arm 11 is equipped with a support block 12, and the side wall of the support block 12 is equipped with a load-bearing hydraulic rod 13, which plays a role of power drive;

[0031] The load-bearing hydraulic rod 13 is fixedly connected to the support block 12, and the output end of the load-bearing hydraulic rod 13 is installed with a load-bearing push rod 14, and the end of the load-bearing push rod 14 away from the load-bearing hydraulic rod 13 is installed with a load-bearing block 15, and the load-bearing block 15 is fixedly connected to the load-bearing push rod 14;

[0032] When the drilling of the pump cover flange is completed, the servo motor 7 is turned off, and the clamping block 5 is detached from the inner wall of the pump cover flange. Then, the lifting hydraulic rod 8 is opened, and the lifting push arm 11 is driven by the lifting hydraulic rod 8 to move. Multiple groups of lifting push arms 11 drive the supporting block 12, the load-bearing hydraulic rod 13, the load-bearing push rod 14, the load-bearing block 15 and the pump cover flange to move upward to lift the pump cover flange to the picking position, so as to facilitate the output of the pump cover flange, thereby realizing convenient multi-position linkage lifting of the pump cover flange and facilitating the output of the pump cover flange.

[0033] Working principle: first, the inner ring of the pump cover flange is sleeved on the outside of multiple groups of clamping blocks 5, and the device is connected to an external controller and an external circuit. The servo motor 7 drives the threaded rod 17 to rotate, and the threaded rod 17 drives the threaded sleeve 18 to move. The threaded sleeve 18 drives the short connecting arm 20 to rotate through the clamping shaft 24, and the short connecting arm 20 drives the long connecting arm 19 to rotate with the hinge shaft 21 as the axis through the pin shaft 23, and the long connecting arm 19 drives the clamping block 5 to rotate through the linkage shaft 22, so that the clamping block 5 contacts the inner wall of the pump cover flange. Under the joint action of the multiple groups of clamping blocks 5, the pump cover flange is clamped and fixed from the inside of the pump cover flange, and the load-bearing hydraulic rod 13 drives the load-bearing push rod 14 to move, and the load-bearing push rod 14 drives the load-bearing block 15 to move, so that the multiple groups of load-bearing blocks 15 move to the bottom of the pump cover flange, so that the multiple groups of load-bearing blocks 15 support the bottom of the pump cover flange, and then the drilling machine is used to complete the drilling operation on the pump cover flange. , when a hole is drilled, the driving motor 6 drives the gear 3 to rotate, the gear 3 drives the gear ring 9 to rotate, the gear ring 9 drives the movable disk 10 to rotate, the movable disk 10 drives the movable shaft 16 and the limit disk 26 to rotate inside the base 1, the base 1 provides limited sliding support for the limit disk 26, the movable disk 10 drives the clamping block 5 and the pump cover flange to rotate, to rotate the next hole position to the drilling machine position, to complete the drilling operation of the pump cover flange in sequence, when the pump cover flange is drilled, the servo motor 7 is turned off, the clamping block 5 is detached from the inner wall of the pump cover flange, the lifting hydraulic rod 8 drives the lifting push arm 11 to move, and the multiple groups of lifting push arms 11 drive the support block 12, the load-bearing hydraulic rod 13, the load-bearing push rod 14, the load-bearing block 15 and the pump cover flange to move upward, to lift the pump cover flange to the picking position, to facilitate the output of the pump cover flange, to complete the use of the special drilling tooling for the pump cover flange.

Claims

1. A special drilling tool for a pump cover flange, comprising a movable plate (10) and a support ring (4), characterized in that: A support ring (4) is arranged above the movable disk (10), and three groups of integrated boards (25) with equal spacing are installed at the bottom end of the support ring (4), and the integrated boards (25) are connected to the movable disk (10). A servo motor (7) is installed at the bottom end of each integrated board (25), and a threaded rod (17) is installed at the output end of each servo motor (7), and the threaded rod (17) is movably connected to the integrated board (25). The surface of each threaded rod (17) is sleeved with a threaded sleeve (18), and the threaded sleeve (18) is slidably connected to the integrated board (25), and the threaded sleeve (18) is threadedly connected to the threaded rod (17), and a short connecting arm (20) is installed on the side wall of each threaded sleeve (18), and a clamping shaft (24) is installed at one end of each short connecting arm (20) close to the threaded sleeve (18), and the short connecting arm (20) is connected to the threaded sleeve (24) by the clamping shaft (24). The short connecting arm (20) is movably connected to the threaded sleeve (18); a long connecting arm (19) is installed at one end of the short connecting arm (20) away from the threaded sleeve (18); a pin shaft (23) is installed on one side of the long connecting arm (19) close to the short connecting arm (20); and the long connecting arm (19) is movably connected to the short connecting arm (20) through the pin shaft (23); a hinge shaft (21) is installed at one end of the long connecting arm (19) close to the support ring (4); and the long connecting arm (19) is movably connected to the support ring (4) through the hinge shaft (21); a clamping block (5) is installed at one end of the long connecting arm (19) away from the support ring (4); a linkage shaft (22) is installed on one side of the clamping block (5) close to the long connecting arm (19); and the clamping block (5) is movably connected to the long connecting arm (19) through the linkage shaft (22); and a base (1) is arranged below the movable disk (10).

2. The pump cover flange special drilling tool according to claim 1, characterized in that: A movable shaft (16) is installed at the bottom end of the movable plate (10), a limiting plate (26) is installed at the bottom end of the movable shaft (16), and the limiting plate (26) is slidably connected to the base (1).

3. The pump cover flange special drilling tool according to claim 1, characterized in that: A support plate (2) is installed on the side wall of the base (1), and a driving motor (6) is installed on the top end of the support plate (2).

4. The pump cover flange special drilling tool according to claim 3, characterized in that: A gear (3) is installed at the output end of the driving motor (6), a gear ring (9) is installed on the outer wall of the movable disk (10), and the gear ring (9) and the gear (3) are meshed with each other.

5. The pump cover flange special drilling tool according to claim 1, characterized in that: A lifting hydraulic rod (8) is installed inside the movable disk (10) on one side of the integrated plate (25), and a lifting push arm (11) is installed at the output end of the lifting hydraulic rod (8).

6. The pump cover flange special drilling tool according to claim 5, characterized in that: The top end of each lifting push arm (11) is provided with a support block (12), and the side wall of each support block (12) is provided with a load-bearing hydraulic rod (13).

7. The pump cover flange special drilling tool according to claim 6, characterized in that: The load-bearing hydraulic rod (13) is fixedly connected to the support block (12), and the output end of the load-bearing hydraulic rod (13) is equipped with a load-bearing push rod (14).

8. The pump cover flange special drilling tool according to claim 7, characterized in that: A bearing block (15) is installed at one end of the bearing push rod (14) away from the bearing hydraulic rod (13), and the bearing block (15) is fixedly connected to the bearing push rod (14).

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