An electric three-pointed forklift truck steering axle assembly

Abstract

The application provides an electric three-point-support forklift steering axle assembling equipment, which comprises a support frame, a workbench fixedly installed on the support frame, a speed reducer support and a rotating support fixedly installed above the workbench, wherein the rotating support is located at the front side of the speed reducer support, a servo speed reducer is installed on the speed reducer support, a PLC control box electrically connected with the servo speed reducer is also installed on the workbench, a rotating shaft fixedly connected with the output end of the servo speed reducer is rotatably connected to the rotating support, a rotating plate is fixedly installed at the end of the rotating shaft, a turnover frame is fixedly installed at the front side of the rotating plate, and a fixing assembly for installing different types of rotary supports is arranged on the turnover frame. The equipment can input the required angle of different product rotation into the PLC, control the servo speed reducer through the PLC control box, drive the turnover frame to automatically rotate within a range of 360 degrees, and automatically rotate to the corresponding angle in each installation step until the assembling is completed.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of forklift assembly, in particular to a three-point electric forklift steering axle assembly equipment. BACKGROUND

[0002] The existing three-point electric forklift steering axle is generally a transverse cylinder type steering axle, which is pushed by a connecting rod at both ends of the through piston rod of the transverse steering cylinder to swing the left and right steering knuckles, so as to realize the deflection of the left and right steering wheels with the steering kingpin as the center, thereby realizing the steering of the forklift.

[0003] During the assembly process of the three-point forklift steering axle assembly, the workpiece posture needs to be adjusted many times, and at present, the workpiece posture is frequently adjusted by manpower on the workbench, which is time-consuming and laborious, resulting in low manual assembly efficiency and high labor intensity of the operator. SUMMARY

[0004] In view of the above problems, the present application provides a three-point electric forklift steering axle assembly equipment, which can input the angle required for different product assembly into the PLC, control the servo reducer through the PLC control box, drive the turnover frame to automatically rotate within 360°, and automatically rotate to the corresponding angle at each installation step until the assembly is completed.

[0005] To solve the above problems, the technical scheme adopted by the present application is:

[0006] A three-point electric forklift steering axle assembly equipment, comprising a support frame, a workbench fixedly installed on the support frame, a reducer support and a rotating support fixedly installed above the workbench, the rotating support located on the front side of the reducer support, a servo reducer installed on the reducer support, a PLC control box electrically connected with the servo reducer installed on the workbench, a rotating shaft fixedly connected with the output end of the servo reducer rotatably connected to the rotating support, a rotating plate fixedly installed at the end of the rotating shaft, a turnover frame fixedly installed on the front side of the rotating plate, a fixing assembly for installing different types of rotary supports provided on the turnover frame, a cross beam fixedly connected to the front side of the support frame, a pair of abutting plates movably installed on the front side of the cross beam, a slide plate adjustably installed on the abutting plates, a turntable rotatably connected to the side wall of the slide plate, a plurality of radially adjustable bolt sleeves installed on the circumferential side wall of the turntable, and an oil outlet pipe and an oiling head adjustably installed on the top of the slide plate.

[0007] Preferably, a hanging support is provided above the workbench, the hanging support is used for lifting the rotary support, two support legs are fixedly connected to the workbench, a material box is fixedly connected to the top of the support leg, and a plurality of material grooves are provided on the side wall of the material box.

[0008] Preferably, the output end of the servo reducer is fixedly installed with a rotating shaft, and the rotating support is provided with a first rotating assembly and a second rotating assembly on the two sides of the rotating shaft; the front end of the rotating shaft is fixedly installed with a rotating plate through a key structure.

[0009] Preferably, the first rotating assembly comprises a first tapered roller bearing, a check ring and an elastic check ring for shaft, which are all sleeved on the left side of the rotating shaft; the second rotating assembly comprises a second tapered roller bearing, a fixed ring and a spacer, which are all sleeved on the right side of the rotating shaft, and the fixed ring is fixed on the right side of the rotating support through a plurality of screws.

[0010] Preferably, the fixing assembly is a plurality of bolts or double-headed screw rods, and the turnover frame is provided with a plurality of screw holes matched with the bolts or double-headed screw rods.

[0011] Preferably, the front side of the cross beam is fixedly installed with a double-headed air cylinder, and the pair of abutting plates are fixedly connected to the corresponding ends of the double-headed air cylinder.

[0012] Preferably, the abutting plate is provided with a slide way, the sliding plate is slidingly installed in the slide way, and the sliding plate is fixed in the slide way through locking bolts.

[0013] Preferably, the side wall of the sliding plate is installed with a motor capable of driving the rotating disc to rotate, the tail end of the bolt sleeve is fixedly provided with a threaded head, and the radial side wall of the rotating disc is provided with a plurality of threaded grooves matched with the threaded heads.

[0014] Preferably, the top of the sliding plate is fixedly connected with a universal rod, the oil outlet pipe extends along the universal rod, and the oiling head is fixedly installed at the end of the universal rod.

[0015] Preferably, the sliding plate is provided with a circular cavity, the inner wall of the circular cavity is fixedly provided with a ring of oil delivery pipes, the oil outlet end of the oil delivery pipe is connected with the oil outlet pipe, the output shaft of the motor penetrates through the circular cavity and is fixedly connected with a disc, and the side wall of the disc is fixedly provided with a protrusion abutting against the oil delivery pipe.

[0016] The present application has the following advantages:

[0017] 1. By installing the servo reducer, the rotating shaft, the rotating plate, the turnover frame and the fixing assembly, corresponding fixing assemblies such as bolts or double-headed screw rods can be selected according to different types of rotary supports, the compatibility is high, different product rotation angles required can be input into the PLC, the servo reducer is controlled by the PLC control box to automatically rotate the turnover frame within 360°, each installation step is automatically rotated to the corresponding angle, and the assembly is completed until the assembly is completed, which is convenient and fast.

[0018] 2. By installing the rotating disc, bolt sleeve, oil outlet pipe and oiling head, the steering bridge can be turned to the lower side after assembly, a pair of resistance plates are moved towards each other by starting the double-head cylinder, a plurality of bolt sleeves are inserted into the hub bolts, the oiling head contacts the tapered roller bearing on the hub, the motor is started to drive the rotating disc to rotate, which can drive the hub to rotate, the oil outlet pipe pumps lubricating oil into the oil outlet pipe, and finally the oiling head extrudes and applies the lubricating oil on the tapered roller bearing, completing the oiling process.

[0019] 3. By installing a plurality of threaded grooves and universal rods, the radial position of the bolt sleeve can be adjusted according to the size of the hub, and the universal rod can drive the oiling head to adjust in multiple directions, which is suitable for the oiling process of tapered roller bearings of different sizes and angles.

[0020] 4. By installing a disc and a protrusion, the disc can be driven to rotate when the motor drives the rotating disc to rotate, and the protrusion can extrude a circle of oil outlet pipe in the circumferential direction, so that the lubricating oil can be extruded in the form of peristalsis, the extrusion amount of the lubricating oil can be controlled, and a circle of automatic application process can be realized. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a structural diagram of the present application;

[0022] Figure 2 It is a sectional view of the present application;

[0023] Figure 3 It is a top view of the present application;

[0024] Figure 4 It is a sectional view of the rotating support proposed by the present application;

[0025] Figure 5 It is a sectional view of the sliding plate proposed by the present application;

[0026] Figure 6 It is a front view of the sliding plate proposed by the present application;

[0027] Figure 7 It is a sectional view of the circular cavity proposed by the present application.

[0028] In the figure: 1 turnover frame, 2 fixed assembly, 3 rotating plate, 4 key structure, 5 rotating support, 6 first rotating assembly, 61 first tapered roller bearing, 62 check ring, 63 elastic check ring for shaft, 7 rotating shaft, 8 second rotating assembly, 81 second tapered roller bearing, 82 fixed ring, 83 spacer sleeve, 9 round nut, 10 speed reducer support, 11 servo speed reducer, 12 material box, 13 material groove, 14 slewing support, 15 screw hole, 16 workbench, 17 support frame, 18 cross beam, 19 stop plate, 20 double-head air cylinder, 21 motor, 22 sliding plate, 23 bolt sleeve, 24 slide, 25 universal rod, 26 oiling head, 27 oil outlet pipe, 28 threaded groove, 29 rotating disc, 30 locking bolt, 31 protrusion, 32 disc, 33 oil delivery pipe, 34 round cavity, 35 suspension support, 36 PLC control box. DETAILED DESCRIPTION

[0029] In order to make the above objectives, features and advantages of the present application more obvious and easy to understand, the specific embodiments of the present application will be described in detail below with reference to the drawings. In the following description, a large number of specific details are set forth in order to facilitate a full understanding of the present application. However, the present application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without departing from the scope of the present application, so the present application is not limited to the specific implementations disclosed below.

[0030] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or there can be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or there can be an intervening element. The terms "vertical", "horizontal", "left", "right", and similar expressions used herein are for illustrative purposes only and are not intended to be the only implementation.

[0031] REFERENCE Figures 1-7 The electric three-pointed fork truck steering bridge assembly device comprises a support frame 17, a workbench 16 fixedly installed on the support frame 17, a speed reducer support 10 and a rotating support 5 fixedly installed above the workbench 16, the rotating support 5 being located at the front side of the speed reducer support 10, a servo speed reducer 11 installed on the speed reducer support 10, a PLC control box 36 electrically connected to the servo speed reducer 11 and further installed on the workbench 16, a rotating shaft 7 rotationally connected to the output end of the servo speed reducer 11 and fixedly installed on the rotating support 5, a rotating plate 3 fixedly installed at the end of the rotating shaft 7, a turnover frame 1 fixedly installed at the front side of the rotating plate 3, a fixed assembly 2 for installing different models of slewing supports 14 arranged on the turnover frame 1, the fixed assembly being a plurality of bolts or double-headed threaded rods, a plurality of screw holes 15 matched with the bolts or double-headed threaded rods arranged on the turnover frame 1, and the corresponding fixed assembly 2 selected according to the model of the slewing support 14 and fixed by the bolts or double-headed threaded rods.

[0032] Further, the upper side of the workbench 16 is provided with a hanging support 35 for hoisting the slewing support 14, two support legs are fixedly connected on the workbench 16, the top of the support legs is fixedly connected with the material box 12, the side wall of the material box 12 is provided with a plurality of material grooves 13, and the plurality of material grooves 13 can store different parts for convenient access and assembly.

[0033] Further, the output end of the servo reducer 11 is fixedly installed with the rotating shaft 7, the two sides of the rotating support 5 are respectively provided with the first rotating assembly 6 and the second rotating assembly 8 matched with the two sides of the rotating shaft 7, and the front end of the rotating shaft 7 is fixedly installed with the rotating plate 3 through the key structure 4.

[0034] Specifically, the first rotating assembly 6 includes a first tapered roller bearing 61, a retainer ring 62 and an elastic retainer ring for shaft 63, and the first tapered roller bearing 61, the retainer ring 62 and the elastic retainer ring for shaft are all sleeved on the left side of the rotating shaft 7; the second rotating assembly 8 includes a second tapered roller bearing 81, a fixed ring 82 and a spacer 83, and the second tapered roller bearing 81, the fixed ring 82 and the spacer 83 are all sleeved on the right side of the rotating shaft 7, the fixed ring 82 is fixed on the right side of the rotating support 5 through a plurality of screws, and the rotating shaft 7 is ensured to stably rotate, and the structural strength is high.

[0035] The front side of the support frame 17 is fixedly connected with a cross beam 18, the front side of the cross beam 18 is installed with a pair of abutting plates 19 that can move towards each other, the front side of the cross beam 18 is fixedly installed with a double-head air cylinder 20, the pair of abutting plates 19 are respectively fixedly connected at the corresponding ends of the double-head air cylinder 20, a slide plate 22 that can be adjusted up and down is installed on the pair of abutting plates 19, a slide way 24 is arranged on the abutting plate 19, the slide plate 22 is slidably installed in the slide way 24, and the slide plate 22 is fixed in the slide way 24 through locking bolts 30. The position of the slide plate 22 can be adjusted up and down according to the position of the hub.

[0036] A turntable 29 is rotatably connected to the side wall of the slide plate 22, a plurality of bolt sleeves 23 that can be adjusted in the radial direction are installed on the circumferential side wall of the turntable 29, a motor 21 that can drive the turntable 29 to rotate is installed on the side wall of the slide plate 22, a threaded head is fixed to the tail end of the bolt sleeve 23, a plurality of threaded grooves 28 matched with the threaded heads are arranged on the radial side wall of the turntable 29, the positions of the plurality of bolt sleeves 23 can be adjusted in the radial direction according to the size of the hub, and the threaded heads can be screwed into the corresponding threaded grooves 28.

[0037] A position-adjustable oil outlet pipe 27 and an oiling head 16 are installed on the top of the slide plate 22, a universal rod 25 is fixedly connected to the top of the slide plate 22, the oil outlet pipe 27 extends along the universal rod 25, the oiling head 26 is fixedly installed at the end of the universal rod 25, and the universal rod 25 can be adjusted in multiple directions. The oiling head 26 is adjusted to abut against the tapered roller bearing.

[0038] Further, the slide plate 22 is internally provided with a circular cavity 34, the inner wall of the circular cavity 34 is fixed with a circle of oil delivery pipes 33, the oil outlet end of the oil delivery pipes 33 is connected with the oil outlet pipe 27, the output shaft of the motor 21 penetrates the circular cavity 34 and is fixedly connected with a disc 32, the side wall of the disc 32 is fixed with a protrusion 31 abutting against the oil delivery pipes 33, the motor 21 drives the disc 32 to rotate, the protrusion 31 extrudes the circle of oil delivery pipes 33 in the circumferential direction, and then the lubricating oil can be extruded in the peristaltic form, and the extrusion amount of the lubricating oil is controlled.

[0039] The slewing bearing 14 of the steering axle is lifted to the turnover frame 1 through the suspension support 35, according to the model of the slewing bearing 14, the corresponding fixing assembly 2 is selected, the bolt or the double-end screw rod is used for fixing, the angle required by the conversion of different products is input into the PLC, the servo reducer 11 is controlled through the PLC control box 36 to drive the automatic rotation of the turnover frame in the range of 360°, each installation step is automatically rotated to the corresponding angle, until the assembly is completed, the plurality of troughs 13 above can store different parts, and the assembly is convenient to use.

[0040] After the assembly is completed, the steering axle is turned to the lower side, the double-end pneumatic cylinder 20 drives a pair of abutting plates 19 to move towards each other, the positions of the plurality of bolt sleeves 23 can be adjusted in the radial direction according to the size of the hub, the threaded head is screwed into the corresponding threaded groove 28, the plurality of bolt sleeves 23 are inserted into the hub bolts, the universal rod 25 can be adjusted in multiple directions, the oiling head 26 is adjusted to abut against the tapered roller bearing, the motor 21 is started to drive the rotating disc 29 to rotate, the motor 21 drives the disc 32 to rotate, the protrusion 31 extrudes the circle of oil delivery pipes 33 in the circumferential direction, and then the lubricating oil can be extruded in the peristaltic form, the extrusion amount of the lubricating oil is controlled, the lubricating oil is pumped into the oil outlet pipe 27 by the oil delivery pipe 33, and finally is extruded by the oiling head 26 and is applied on the tapered roller bearing, and the oiling process is completed.

[0041] The above only describes the preferred embodiments of the present application, and is not used to limit the present application, any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. An electric three-point forklift steering axle assembly device, comprising a support frame (17), characterized in that: A workbench (16) is fixedly mounted on the support frame (17), a reducer bracket (10) and a rotating bracket (5) are fixedly mounted above the workbench (16), the rotating bracket (5) is located in front of the reducer bracket (10), a servo reducer (11) is mounted on the reducer bracket (10), a PLC control box (36) electrically connected to the servo reducer (11) is also mounted on the workbench (16), a rotating shaft (7) fixedly connected to the output end of the servo reducer (11) is rotatably connected to the rotating bracket (5), a rotating plate (3) is fixedly mounted on the end of the rotating shaft (7), and the rotating plate (3) is A turning frame (1) is fixedly installed on the front side, and a fixing assembly (2) for installing different types of slewing supports (14) is provided on the turning frame (1), and a crossbeam (18) is fixedly connected to the front side of the support frame (17), and a pair of support plates (19) that can move toward each other are installed on the front side of the crossbeam (18), and a slide plate (22) that can be adjusted up and down is installed on the pair of support plates (19), and a turntable (29) is rotatably connected to the side wall of the slide plate (22), and a plurality of radially adjustable bolt sleeves (23) are installed on the circumferential side wall of the turntable (29), and an oil outlet pipe (27) and an oiling head (26) with adjustable position are installed on the top of the slide plate (22); A suspension bracket (35) is provided above the workbench (16), and the suspension bracket (35) is used to lift the slewing support (14). Two supporting legs are fixedly connected to the workbench (16), and a material box (12) is fixedly connected to the top of the supporting legs. The side wall of the material box (12) is provided with a plurality of material troughs (13); A motor (21) capable of driving the turntable (29) to rotate is installed on the side wall of the slide plate (22); a threaded head is fixed to the tail end of the bolt sleeve (23); and a plurality of threaded grooves (28) adapted to fit the threaded heads are provided on the radial side wall of the turntable (29); The top of the slide plate (22) is fixedly connected to a universal rod (25), the oil outlet pipe (27) extends along the universal rod (25), and the oiling head (26) is fixedly mounted on the end of the universal rod (25); A circular cavity (34) is provided in the slide plate (22), a circle of oil delivery pipe (33) is fixed on the inner wall of the circular cavity (34), the oil outlet end of the oil delivery pipe (33) is docked with the oil outlet pipe (27), the output shaft of the motor (21) passes through the circular cavity (34) and is fixedly connected to the disc (32), and a protrusion (31) that contacts the oil delivery pipe (33) is fixed on the side wall of the disc (32).

2. The electric three-point forklift steering axle assembly equipment according to claim 1, characterized in that: The output end of the servo reducer (11) is fixedly mounted to the rotating shaft (7) via a round nut (9); a first rotating assembly (6) and a second rotating assembly (8) adapted to the two sides of the rotating shaft (7) are respectively provided on both sides of the rotating bracket (5); and the front end of the rotating shaft (7) is fixedly mounted to the rotating plate (3) via a key structure (4).

3. The electric three-point forklift steering axle assembly equipment according to claim 2, characterized in that: The first rotating assembly (6) comprises a first tapered roller bearing (61), a retaining ring (62) and a shaft elastic retaining ring (63), and the first tapered roller bearing (61), the retaining ring (62) and the shaft elastic retaining ring are all mounted on the left side of the rotating shaft (7); the second rotating assembly (8) comprises a second tapered roller bearing (81), a fixing ring (82) and a spacer (83), and the second tapered roller bearing (81), the fixing ring (82) and the spacer (83) are all mounted on the right side of the rotating shaft (7), and the fixing ring (82) is fixed to the right side of the rotating bracket (5) by a plurality of screws.

4. The electric three-point forklift steering axle assembly equipment according to claim 1, characterized in that: The fixing assembly is a plurality of bolts or double-headed screws, and the flip frame (1) is provided with a plurality of screw holes (15) adapted to the bolts or double-headed screws.

5. The electric three-point forklift steering axle assembly equipment according to claim 1, characterized in that: A double-headed cylinder (20) is fixedly mounted on the front side of the crossbeam (18), and the pair of abutment plates (19) are respectively fixedly connected to corresponding ends of the double-headed cylinder (20).

6. The electric three-point forklift steering axle assembly equipment according to claim 1, characterized in that: A slideway (24) is provided on the support plate (19), and the slide plate (22) is slidably mounted in the slideway (24). The slide plate (22) is fixed in the slideway (24) by a locking bolt (30).

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