A simplified connecting piece installation device for wrist-arm processing

Abstract

A device for installing a connector for processing a simplified wrist arm, the connector comprising two rotatably connected connecting arms, the two connecting arms enclosing a mounting hole for accommodating the wrist arm, one of the connecting arms being fixedly connected to at least one hanging plate, the hanging plate being provided with a through hole, the device comprising a robot for moving the wrist arm and the connector, a supporting mechanism for supporting the wrist arm, and a positioning mechanism for positioning the connector and the wrist arm; the supporting mechanism comprising a vertically arranged mounting plate, the mounting plate being provided with a notch corresponding to the mounting hole; the positioning mechanism comprising at least one positioning cylinder, the positioning cylinder being driven and connected to a positioning pin, the positioning pin facing the through hole. The present invention provides a device for installing a connector for processing a simplified wrist arm, which can automatically install the connector on the wrist arm, greatly improving the processing efficiency of the simplified wrist arm.

Description

Technical Field

[0001] The invention relates to the technical field of wrist-arm processing, in particular to a simplified connecting piece installation device for wrist-arm processing. Background Art

[0002] In the traction power supply system, the arm is an important part of the contact network. The arm is usually installed on the upper part of the pillar to support the contact suspension and transfer the load. The arm is generally made of round steel pipe, and its length is related to the structural height of the contact suspension, the side limit of the pillar, and the position of the pillar. With the development of technology, the structure of the arm is constantly changing, and simplified arm has gradually begun to be used. The simplified arm is mainly composed of flat arm, oblique arm, combined load-bearing cable seat, aluminum alloy support, support connector, combined positioning ring, pipe cap and positioner. Among them, the combined load-bearing cable seat, support connector and combined positioning ring can be collectively referred to as connectors. In the processing of traditional arm, the connector mainly relies on manual methods to complete the connection with the arm, which is very inefficient. In addition, because the structure of the traditional arm is relatively complex, there is no good automation equipment to complete the automatic installation of the connector. Summary of the invention

[0003] In order to solve the deficiencies in the prior art, the present invention provides a connector installation device for simplified wrist arm processing, which can automatically install the connector on the wrist arm, thereby greatly improving the processing efficiency of the simplified wrist arm.

[0004] In order to achieve the above-mentioned purpose, the specific scheme adopted by the present invention is: a simplified connecting piece installation device for wrist arm processing, the connecting piece includes two rotatably connected connecting arms, the two connecting arms enclose a mounting hole for accommodating the wrist arm, one of the connecting arms is fixedly connected to at least one hanging plate, and a through hole is provided on the hanging plate, the device includes a robot for moving the wrist arm and the connecting piece, a supporting mechanism for supporting the wrist arm, and a positioning mechanism for positioning the connecting piece and the wrist arm; the supporting mechanism includes a vertically arranged mounting plate, the mounting plate is provided with a notch corresponding to the mounting hole; the positioning mechanism includes at least one positioning cylinder, the positioning cylinder is driven and connected to a positioning pin, and the positioning pin faces the through hole.

[0005] As a further optimization of the above-mentioned simplified connecting piece installation device for arm processing: the supporting mechanism includes a plurality of supporting units, the supporting unit includes a base plate, a supporting cylinder is fixedly arranged on the base plate, the piston rod of the supporting cylinder extends vertically upward and is rotatably connected to a supporting roller, and an annular positioning groove for accommodating the arm is opened in the middle of the supporting roller.

[0006] As a further optimization of the above-mentioned simplified arm processing connecting piece installation device: a plurality of support rods are vertically fixedly provided on the base plate, all the support rods are fixedly connected with a mounting block, the piston rod of the support cylinder passes through the mounting block, a plurality of sockets are provided on the mounting block, a limit rod is telescopically provided in each socket, all the limit rods are fixedly connected with a secondary support plate, and the support roller is rotatably provided on the secondary support plate.

[0007] As a further optimization of the simplified arm processing connector installation device, the positioning mechanism includes two centering jaws fixedly connected to the mounting plate, and the two centering jaws are respectively located on both sides of the notch.

[0008] As a further optimization of the simplified arm processing connector installation device: the centering jaw is fixedly connected to a clamping plate, the clamping plate is rotatably connected to a plurality of rollers, and the axes of the rollers are perpendicular to the installation plate.

[0009] As a further optimization of the above-mentioned simplified wrist arm processing connecting piece installation device: the device also includes a plurality of clamping units for pressing the connecting piece onto the mounting plate, the clamping unit includes a mounting seat fixedly connected to the mounting plate, the mounting seat is fixedly connected to two relatively arranged outer fixing plates and two relatively arranged inner fixing plates, the two inner fixing plates are both located between the two outer fixing plates, and the inner fixing plates and the outer fixing plates are parallel to each other, a clamping cylinder is rotatably connected between the two outer fixing plates, the piston rod of the clamping cylinder is rotatably connected to a connecting rod, the connecting rod is rotatably connected to a swing arm, the swing arm is rotatably connected to the two inner fixing plates, the swing arm is fixedly connected away from the clamping rod, and an angle is left between the clamping rod and the swing arm.

[0010] As a further optimization of the above-mentioned simplified arm processing connecting piece installation device: the piston rod of the clamping cylinder and the connecting rod are connected by a second pin shaft, and each of the two ends of the second pin shaft is rotatably connected to a rotating connecting plate, and the two rotating connecting plates are respectively rotatably connected to the two inner fixed plates.

[0011] As a further optimization of the above-mentioned simplified wrist-arm processing connecting piece installation device: the device also includes a pre-tightening mechanism, the pre-tightening mechanism includes a pre-tightening cylinder fixedly connected to the mounting plate, the piston rod of the pre-tightening cylinder faces one of the connecting arms and is fixedly connected to a pre-tightening block.

[0012] As a further optimization of the above-mentioned simplified connecting piece installation device for arm processing: the device includes a tightening machine, which is facing the connecting piece.

[0013] As a further optimization of the above-mentioned simplified arm-cantilever processing connector installation device: a plurality of photoelectric sensors are fixedly arranged on the installation plate.

[0014] Beneficial effect: The present invention uses the structure of the connector itself to position the connector through a positioning mechanism, and then connects the wrist arm to the connector. The entire process does not require human intervention, thereby achieving automatic installation of the connector and effectively improving the processing efficiency of the simplified wrist arm. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0016] Figure 2 It is a schematic diagram of the state in which the pressing unit presses the connecting piece onto the mounting plate;

[0017] Figure 3 is a schematic diagram of the arrangement of the support unit;

[0018] Figure 4 It is a schematic diagram of the setting method of the tightening machine.

[0019] Description of the drawings: 1-base, 2-main support plate, 3-mounting plate, 4-mounting seat, 5-photoelectric sensor, 6-positioning cylinder, 7-positioning pin, 8-centering jaw, 9-clamping plate, 10-roller, 11-suspension plate, 12-through hole, 13-connecting arm, 14-connecting pin, 15-support table, 16-outer fixed plate, 17-first pin, 18-clamping cylinder, 19-second pin, 20-rotating connecting plate, 21-connecting rod, 22-inner fixed plate, 23-swing arm, 24-clamping rod, 25-pre-tightening cylinder, 26-pre-tightening block, 27-wrist arm, 28-tightening machine, 29-bottom plate, 30-support cylinder, 31-support rod, 32-mounting block, 33-auxiliary support plate, 34-support roller, 35-annular positioning groove. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0021] See also Figures 1 to 4 A simplified connecting piece installation device for wrist arm processing, the connecting piece includes two connecting arms 13 rotatably connected by a connecting piece pin 14, the two connecting arms 13 enclose a mounting hole for accommodating a wrist arm 27, one of the connecting arms 13 is fixedly connected to at least one suspension plate 11, and a through hole 12 is opened on the suspension plate 11. The device includes a robot for moving the wrist arm 27 and the connecting piece, a supporting mechanism for supporting the wrist arm 27, and a positioning mechanism for positioning the connecting piece and the wrist arm 27.

[0022] The supporting mechanism comprises a vertically arranged mounting plate 3, on which a notch corresponding to the mounting hole is formed.

[0023] The positioning mechanism comprises at least one positioning cylinder 6 , which is driven by a positioning pin 7 , and the positioning pin 7 faces the through hole 12 .

[0024] When the present invention is in use, the robot is first used to move the connecting piece to the side of the mounting plate 3 and fit it with the mounting plate 3, and the mounting hole is aligned with the notch, then the positioning cylinder 6 is started, and the positioning cylinder 6 pushes the positioning pin 7 to move until the positioning pin 7 penetrates into the through hole 12 on the hanging plate 11, thereby hanging the connecting piece to the side of the mounting plate 3, then the robot releases the connecting piece and moves the wrist arm 27 to the side of the mounting plate 3, then the robot passes the wrist arm 27 through the notch and allows the wrist arm 27 to enter the mounting hole, so that the connecting piece can be connected with the wrist arm 27.

[0025] The present invention uses the structure of the connector itself to position the connector through a positioning mechanism, and then connects the wrist 27 to the connector. The entire process does not require human intervention, thereby achieving automatic installation of the connector and effectively improving the processing efficiency of the simplified wrist.

[0026] The specific arrangement of the mounting plate 3 is as follows: the supporting mechanism further comprises a base 1 , on which two main supporting plates 2 are vertically fixed, and the two main supporting plates 2 are parallel to each other, and the mounting plate 3 is fixedly arranged between the two main supporting plates 2 .

[0027] Taking into account that the arm 27 is made of pipe fittings and has a certain length, if the arm 27 is not stable enough when the robot inserts the arm 27 into the mounting hole, it will cause installation difficulties. Therefore, it is necessary to ensure that the arm 27 is stable enough when moving toward the connecting piece. To achieve this goal, the support mechanism also includes a number of support units. The support unit includes a base plate 29, on which a support cylinder 30 is fixedly provided. The piston rod of the support cylinder 30 extends vertically upward and is rotatably connected to a support roller 34. The middle portion of the support roller 34 is provided with an annular positioning groove 35 for accommodating the arm 27. After determining the position of the mounting plate 3 and the height of the notch, adjust the supporting cylinder 30 and use the supporting cylinder 30 to push the supporting roller 34 upward until the lowest point of the bottom of the annular positioning groove 35 is at the same height as the lowest point of the notch. After moving the wrist arm 27 over, the robot places the wrist arm 27 into the annular positioning groove 35 and uses the annular positioning groove 35 to prevent the wrist arm 27 from shaking. In addition, because the supporting roller 34 is rotating, it will not generate excessive resistance to the wrist arm 27 during the process of moving the wrist arm 27 toward the connecting piece, thereby ensuring that the wrist arm 27 can be smoothly inserted into the mounting hole.

[0028] The specific structure of the support unit also includes a plurality of support rods 31 vertically fixed on the bottom plate 29, all the support rods 31 are fixedly connected to a mounting block 32, the piston rod of the support cylinder 30 passes through the mounting block 32, a plurality of sockets are provided on the mounting block 32, each socket is telescopically provided with a limit rod, all the limit rods are fixedly connected to a secondary support plate 33, and a support roller 34 is rotatably provided on the secondary support plate 33. The limit rod is used to prevent the secondary support plate 33 from rotating, thereby ensuring that the support roller 34 will not deflect, and finally achieve the effect that the arm 27 can be aligned with the gap when it is placed in the annular positioning groove 35.

[0029] The positioning mechanism may also include a transmission block, which is fixedly connected between the positioning cylinder 6 and the positioning pin 7. Correspondingly, a support platform 15 corresponding to the transmission block is fixedly arranged on the mounting plate 3. The transmission block 15 can enhance stability and prevent the positioning pin 7 from being offset.

[0030] In order to further ensure that the arm 27 can accurately penetrate into the notch and the mounting hole without deviation, the positioning mechanism includes two centering jaws 8 fixedly connected to the mounting plate 3, and the two centering jaws 8 are respectively located on both sides of the notch. The two centering jaws 8 act synchronously to clamp the arm 27, and because the movement amounts of the two centering jaws 8 are also exactly the same, the position of the arm 27 that may have been in a deviated state can be adjusted.

[0031] In order to prevent the centering jaw 8 from causing wear to the arm 27 and hindering the arm 27 from moving toward the connecting piece, the centering jaw 8 is fixedly connected to a clamping plate 9, and the clamping plate 9 is rotatably connected to a plurality of rollers 10, and the axis of the rollers 10 is perpendicular to the mounting plate 3. There is sliding friction between the rollers 10 and the arm 27, and the friction force is small, so it will not cause wear to the arm 27, and ensure that the arm 27 can move normally.

[0032] In order to further ensure the stability of the connecting piece and prevent the connecting piece from swinging when the wrist arm 27 is inserted into the mounting hole, the device also includes a plurality of clamping units for clamping the connecting piece onto the mounting plate 3, the clamping unit includes a mounting seat 4 fixedly connected to the mounting plate 3, the mounting seat 4 is fixedly connected to two oppositely arranged outer fixing plates 16 and two oppositely arranged inner fixing plates 22, the two inner fixing plates 22 are both located between the two outer fixing plates 16, and the inner fixing plates 22 and the outer fixing plates 16 are parallel to each other, a clamping cylinder 18 is rotatably connected between the two outer fixing plates 16, the piston rod of the clamping cylinder 18 is rotatably connected to a connecting rod 21 through a first pin shaft 17, the connecting rod 21 is rotatably connected to a swing arm 23, the swing arm 23 is rotatably connected to the two inner fixing plates 22, the swing arm 23 is also fixedly connected to a clamping rod 24 away from the swing arm 23, and an angle is left between the clamping rod 24 and the swing arm 23. After the connector is positioned by the positioning mechanism, the clamping cylinder 18 is started and pushes the connecting rod 21 to rotate, and the connecting rod 21 pushes the swing arm 23 to move. Since the swing arm 23 is rotatably connected to the two inner fixing plates 22, the swing arm 23 rotates, and then the swing arm 23 drives the clamping rod 24 to rotate until the clamping rod 24 presses the connector onto the mounting plate 3. The initial state of the clamping unit is as follows: Figure 1 As shown, the state after the pressing unit presses the connecting piece onto the mounting plate 3 is as follows Figure 2 According to different installation positions of the pressing unit, the angle between the swing arm 23 and the pressing rod 24 can be adjusted. In this embodiment, the angle between the swing arm 23 and the pressing rod 24 is a right angle.

[0033] The specific configuration of the connecting rod 21 is as follows: the piston rod of the compression cylinder 18 is connected to the connecting rod 21 via a second pin shaft 19, and each end of the second pin shaft 19 is rotatably connected to a rotating connecting piece 20, and the two rotating connecting pieces 20 are respectively rotatably connected to the two inner fixing plates 22. The rotating connecting piece 20 is used to limit the rotation trajectory of the connecting rod 21 on the one hand, and also plays a role of reinforcement on the other hand.

[0034] In order to further fix the connecting piece and facilitate the subsequent fastening of the connecting piece to the wrist arm 27, the device also includes a pre-tightening mechanism, which includes a pre-tightening cylinder 25 fixedly connected to the mounting plate 3, and the piston rod of the pre-tightening cylinder 25 faces one of the connecting arms 13 and is fixedly connected to a pre-tightening block 26. After the clamping unit clamps the connecting piece, the pre-tightening cylinder 25 starts and pushes the pre-tightening block 26 to move in the direction of the connecting piece. Specifically, the pre-tightening block 26 first contacts one of the connecting arms 13 during the movement, and then pushes the connecting arm 13 to move toward the other connecting arm 13, thereby reducing the distance between the two connecting arms 13 and achieving the purpose of pre-tightening the connecting piece.

[0035] In order to fully improve the connection strength between the connecting member and the arm 27, the connecting member and the arm 27 are preferably fixedly connected. In the invention, the connecting member and the arm 27 are fixedly connected by bolts, and the corresponding device includes a tightening machine 28, which faces the connecting member. The tightening machine 28 is used to tighten the bolts.

[0036] In order to improve the overall control accuracy of the device, a plurality of photoelectric sensors 5 are fixedly arranged on the mounting plate 3 , and the photoelectric sensors 5 are used to sense the connecting piece and the arm 27 .

[0037] The above description of the disclosed embodiments enables one skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to one skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but rather to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A simplified connecting piece installation device for wrist arm processing, the connecting piece comprising two rotatably connected connecting arms (13), the two connecting arms (13) enclosing a mounting hole for accommodating the wrist arm (27), one of the connecting arms (13) being fixedly connected to at least one suspension plate (11), the suspension plate (11) being provided with a through hole (12), characterized in that: The device comprises a robot for moving the wrist (27) and the connecting piece, a supporting mechanism for supporting the wrist (27), and a positioning mechanism for positioning the connecting piece and the wrist (27); The support mechanism comprises a vertically arranged mounting plate (3), the mounting plate (3) being provided with a notch corresponding to the mounting hole; the support mechanism comprises a plurality of support units, the support units comprising a bottom plate (29), a support cylinder (30) being fixedly arranged on the bottom plate (29), a piston rod of the support cylinder (30) extending vertically upward and being rotatably connected to a support roller (34), a middle portion of the support roller (34) being provided with an annular positioning groove (35) for accommodating the arm (27); The positioning mechanism comprises at least one positioning cylinder (6), the positioning cylinder (6) being driven and connected to a positioning pin (7), the positioning pin (7) facing the through hole (12); the positioning mechanism comprises two centering jaws (8) fixedly connected to the mounting plate (3), the two centering jaws (8) being respectively located on both sides of the notch; The device further comprises a pre-tightening mechanism, the pre-tightening mechanism comprising a pre-tightening cylinder (25) fixedly connected to the mounting plate (3), the piston rod of the pre-tightening cylinder (25) facing one of the connecting arms (13) and fixedly connected to a pre-tightening pressure block (26); The device further comprises a plurality of clamping units for clamping the connecting member onto the mounting plate (3), the clamping unit comprising a mounting seat (4) fixedly connected to the mounting plate (3), the mounting seat (4) being fixedly connected to two oppositely arranged outer fixing plates (16) and two oppositely arranged inner fixing plates (22), the two inner fixing plates (22) being both located between the two outer fixing plates (16), and the inner fixing plates (22) and the outer fixing plates (16) being parallel to each other, a clamping cylinder (18) being rotatably connected between the two outer fixing plates (16), a piston rod of the clamping cylinder (18) being rotatably connected to a connecting rod (21), the connecting rod (21) being rotatably connected to a swing arm (23), the swing arm (23) being rotatably connected to the two inner fixing plates (22), the swing arm (23) being away from and fixedly connected to a clamping rod (24), and an angle being left between the clamping rod (24) and the swing arm (23).

2. A simplified arm-to-arm processing connector installation device as claimed in claim 1, characterized in that: A plurality of support rods (31) are vertically fixedly arranged on the bottom plate (29), all the support rods (31) are fixedly connected to a mounting block (32), a piston rod of the support cylinder (30) passes through the mounting block (32), a plurality of insertion holes are opened on the mounting block (32), a limiting rod is telescopically arranged in each insertion hole, all the limiting rods are fixedly connected to a secondary support plate (33), and the support roller (34) is rotatably arranged on the secondary support plate (33).

3. A simplified arm-to-arm processing connector installation device as claimed in claim 1, characterized in that: The centering clamping jaw (8) is fixedly connected to a clamping plate (9), the clamping plate (9) is rotatably connected to a plurality of rollers (10), and the axes of the rollers (10) and the mounting plate (3) are perpendicular to each other.

4. A simplified arm-to-arm processing connector installation device as claimed in claim 1, characterized in that: The piston rod of the pressing cylinder (18) is connected to the connecting rod (21) via a second pin shaft (19), and each end of the second pin shaft (19) is rotatably connected to a rotatable connecting piece (20), and the two rotatable connecting pieces (20) are rotatably connected to the two inner fixing plates (22) respectively.

5. A simplified arm-to-arm processing connector installation device as claimed in claim 1, characterized in that: The device comprises a tightening machine (28) which is directed towards the connecting piece.

6. A simplified arm-and-cantilever processing connector installation device as claimed in claim 1, characterized in that: A plurality of photoelectric sensors (5) are fixedly arranged on the mounting plate (3).

Images