Positioning clamp of drive-by-wire steering gear

Abstract

The utility model belongs to the technical field of positioning fixtures, and particularly relates to a positioning fixture of a drive-by-wire steering gear, which comprises a steering gear body and a support frame, the steering gear body is arranged on the front side of the support frame, and a pair of balance cylinders is mounted on the upper surface of the support frame. When the device is used, the drive-by-wire steering gear body is manually placed on the fixed block and the floating block, the center hole is inserted into the positioning rod, the steering gear body presses the floating block downwards and rotates with the center hole as the circle center to balance inconsistent loads on the two sides, the rotary clamping air cylinder is started to clamp the front side of the steering gear body, and the insertion state of the positioning rod is kept; the balance air cylinder is started, the floating sliding table is driven by the connecting block to move downwards, the lower end of the supporting rod is fixedly connected to external equipment, the supporting rod abuts against the lower side of the steering gear body, positioning can be rapidly completed, working efficiency is improved, the operation can adapt to positioning of different kinds of steering gears, a positioning clamp does not need to be replaced, and cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of positioning jigs, in particular to a positioning jig for a steer-by-wire steering gear. Background Technique

[0002] A jig refers to a device used to fix a processing object during the mechanical manufacturing process, so that it occupies the correct position to receive construction or detection, also known as a fixture. Generally speaking, any device used to quickly, conveniently and safely install a workpiece in any process of the technological process can be called a jig. A jig usually consists of a positioning element to determine the correct position of the workpiece in the jig, a clamping device, a tool guiding element, a indexing device to enable the workpiece to complete the processing of several workstations in one installation, including two types of rotary indexing devices and linear moving indexing devices, a connecting element, and a jig body, etc.;

[0003] There are problems such as poor positioning effect, slow speed and low efficiency in the positioning of the existing partial positioning jigs for the steering gear housing, and the variation of the steering gear leads to the need to replace different positioning jigs, with a relatively high cost;

[0004] Therefore, a positioning jig for a steer-by-wire steering gear is proposed. Content of the Utility Model

[0005] The purpose of the utility model is to provide a positioning jig for a steer-by-wire steering gear to solve the problems raised in the above background technique.

[0006] To achieve the above purpose, the utility model provides the following technical solution: A positioning jig for a steer-by-wire steering gear, including a steering gear body and a support frame. The steering gear body is arranged on the front side of the support frame. A pair of balance cylinders are installed on the upper surface of the support frame. The output end of the balance cylinder is fixedly connected with a connecting block. The front surface of the connecting block is fixedly connected with a floating slide. The right side of the front surface of the floating slide is fixedly connected with a support cylinder. The inner side wall of the support cylinder is fixedly connected with a positioning rod. A fixed block is arranged on the right side of the floating slide, and a floating block is arranged on the left side of the floating slide. The outer side wall of the steering gear body is placed on the upper surfaces of the fixed block and the floating block. A pair of springs are fixedly connected to the lower side of the floating block. A support rod is arranged on the front side of the floating slide. A rotary clamping cylinder is installed on the front surface of the floating slide. A central hole is opened on the rear side of the steering gear body, and the inner side wall of the central hole is inserted with the outer side wall of the positioning rod.

[0007] As a further preference of this technical solution: A pair of mounting blocks are fixedly connected to the front surface of the floating slide. The upper surface of the right mounting block is fixedly connected with the lower surface of the fixed block, and the upper surface of the left mounting block is fixedly connected with the lower end of the spring.

[0008] As a further preference of this technical solution: A pair of sliding rods are slidably connected to the inner side wall of the mounting block on the left side. The upper ends of the sliding rods are fixedly connected to the lower surface of the floating block, and the lower ends of the sliding rods are fixedly connected with anti-detachment blocks.

[0009] As a further preference of this technical solution: A guiding block is fixedly connected to the right side of the front surface of the floating slide table. The inner side wall of the guiding block is slidably connected to the outer side wall of the supporting rod.

[0010] As a further preference of this technical solution: A pair of guide rails are fixedly connected to the front surface of the support frame. Uniformly distributed sliders are fixedly connected to the rear side wall of the floating slide table. The inner side wall of the slider is slidably connected to the outer side wall of the guide rail.

[0011] As a further preference of this technical solution: A pair of reinforcing frames are fixedly connected to the rear side wall of the support frame.

[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0013] When the present utility model is in use, an operator places the wire-controlled steering gear body on the fixed block and the floating block, inserts the central hole into the positioning rod, presses down the floating block with the steering gear body, and rotates around the central hole to balance the inconsistent loads on both sides. Then, start the rotary clamping cylinder to clamp the front side of the steering gear body and keep the positioning rod inserted. Next, start the balance cylinder, drive the floating slide table to move downward through the connecting block. The lower end of the support rod is fixedly connected to an external device, and the support rod abuts against the lower side of the steering gear body, enabling quick positioning, improving work efficiency. This operation can adapt to the positioning of different variant steering gears without the need to replace the positioning fixture, reducing costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is the front view structural schematic diagram of the present utility model;

[0015] Figure 2 is the structural schematic diagram of the support frame and the floating slide table of the present utility model;

[0016] Figure 3 is the structural schematic diagram of the steering gear body and the central hole of the present utility model;

[0017] Figure 4 is the structural schematic diagram of the guide rail and the slider of the present utility model;

[0018] Figure 5 is the structural schematic diagram of the positioning rod and the support rod of the present utility model;

[0019] Figure 6 is the structural schematic diagram of the sliding rod and the anti-detachment block of the present utility model.

[0020] In the figure: 1, steering gear body; 2, support frame; 3, balance cylinder; 4, connecting block; 5, floating slide; 6, support cylinder; 7, positioning rod; 8, fixing block; 9, floating block; 10, spring; 11, support rod; 12, rotary clamping cylinder; 13, central hole; 14, mounting block; 15, slide bar; 16, anti - detachment block; 17, guiding block; 18, guide rail; 19, slider; 20, reinforcement frame. Detailed implementation mode

[0021] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. The examples of the embodiments are shown in the accompanying drawings, where the same or similar reference numerals represent the same or similar elements or elements with the same or similar functions from beginning to end. The embodiments described below by referring to the accompanying drawings are exemplary and are only used to explain the present application and should not be construed as a limitation to the present application. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0022] In the description of the present application, it should be noted that, unless otherwise clearly specified and defined, the terms "installation", "connection", "connection", "set" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal communication of two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to specific situations.

[0023] Please refer to Figure 1-6The utility model provides a technical solution: a positioning fixture for a wire-controlled steering gear, comprising a steering gear body 1 and a support frame 2, the steering gear body 1 is arranged on the front side of the support frame 2, a pair of balancing cylinders 3 are installed on the upper surface of the support frame 2, the output end of the balancing cylinder 3 is fixedly connected with a connecting block 4, the front surface of the connecting block 4 is fixedly connected with a floating slide 5, the right side of the front surface of the floating slide 5 is fixedly connected with a supporting cylinder 6, the inner side wall of the supporting cylinder 6 is fixedly connected with a positioning rod 7, a fixed block 8 is provided on the right side of the floating slide 5, a floating block 9 is provided on the left side of the floating slide 5, the outer side wall of the steering gear body 1 is mounted on the upper surfaces of the fixed block 8 and the floating block 9, a pair of springs 10 are fixedly connected to the lower side of the floating block 9, a support rod 11 is provided on the front side of the floating slide 5, and a rotating clamping cylinder 12 is installed on the front surface of the floating slide 5, A center hole 13 is provided on the rear side of the steering gear body 1, and the inner wall of the center hole 13 is plugged into the outer wall of the positioning rod 7; when in use, the wire-controlled steering gear body 1 is manually placed on the fixed block 8 and the floating block 9, and the center hole 13 is inserted into the positioning rod 7. The steering gear body 1 presses down the floating block 9 and rotates with the center hole 13 as the center to balance the inconsistent loads on both sides. The rotary clamping cylinder 12 is started to clamp the front side of the steering gear body 1 to keep the positioning rod 7 inserted. The balancing cylinder 3 is started to drive the floating slide 5 to move downward through the connecting block 4. The lower end of the support rod 11 is fixedly connected to the external equipment. By supporting the support rod 11 against the lower side of the steering gear body 1, the positioning can be completed quickly, thereby improving work efficiency. This operation can adapt to the positioning of different variants of steering gears without replacing the positioning fixture, thereby reducing costs.

[0024] In this embodiment, specifically: a pair of mounting blocks 14 are fixedly connected to the front surface of the floating slide 5, the upper surface of the right mounting block 14 is fixedly connected to the lower surface of the fixed block 8, and the upper surface of the left mounting block 14 is fixedly connected to the lower end of the spring 10; the mounting blocks 14 are used to support the fixed block 8 and the floating block 9.

[0025] In this embodiment, specifically: the inner wall of the left mounting block 14 is slidably connected with a pair of slide rods 15, the upper end of the slide rod 15 is fixedly connected to the lower surface of the floating block 9, and the lower end of the slide rod 15 is fixedly connected with an anti-slip block 16; when the floating block 9 is subjected to pressure, the spring 10 is squeezed and guided by the slide rod 15, and the anti-slip block 16 prevents the rebound force from causing the slide rod 15 to detach from the mounting block 14.

[0026] In this embodiment, specifically: a guide block 17 is fixedly connected to the right side of the front surface of the floating slide 5 , and the inner wall of the guide block 17 is slidably connected to the outer wall of the support rod 11 ; the guide block 17 is used to guide the support rod 11 .

[0027] In this embodiment, specifically: a pair of guide rails 18 are fixedly connected to the front surface of the support frame 2, and evenly distributed sliders 19 are fixedly connected to the rear side wall of the floating slide 5, and the inner wall of the slider 19 is slidably connected to the outer wall of the guide rail 18; through the arrangement of the slider 19 and the guide rail 18, the stability of the up and down movement of the floating slide 5 is improved.

[0028] In this embodiment, specifically: a pair of reinforcement frames 20 are fixedly connected to the rear side walls of the support frame 2 ; the reinforcement frames 20 improve the support strength of the support frame 2 .

[0029] The working principle of the utility model is: when in use, the wire-controlled steering gear body 1 is manually placed on the fixed block 8 and the floating block 9, the center hole 13 is inserted into the positioning rod 7, the steering gear body 1 presses down the floating block 9, and rotates with the center hole 13 as the center to balance the inconsistent loads on both sides, the rotary clamping cylinder 12 is started to clamp the front side of the steering gear body 1, and the insertion state of the positioning rod 7 is maintained, the balancing cylinder 3 is started, and the floating slide 5 is driven to move downward through the connecting block 4. The stability of the floating slide 5 moving up and down is improved by the setting of the slider 19 and the guide rail 18. Since the lower end of the support rod 11 is fixedly connected to the external equipment, the support rod 11 is pressed against the lower side of the steering gear body 1, so that the positioning can be completed quickly, thereby improving the work efficiency. This operation can adapt to the positioning of different variants of steering gears, without the need to replace the positioning fixture, thereby reducing the cost.

[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A positioning fixture for a wire-controlled steering gear, comprising a steering gear body (1) and a support frame (2), characterized in that: The steering gear body (1) is arranged on the front side of the support frame (2), a pair of balancing cylinders (3) are installed on the upper surface of the support frame (2), the output end of the balancing cylinder (3) is fixedly connected to a connecting block (4), the front surface of the connecting block (4) is fixedly connected to a floating slide (5), the right side of the front surface of the floating slide (5) is fixedly connected to a supporting tube (6), the inner side wall of the supporting tube (6) is fixedly connected to a positioning rod (7), a fixing block (8) is provided on the right side of the floating slide (5), and the floating slide (5) is fixedly connected to the supporting tube (6). ) is provided with a floating block (9) on the left side, the outer side wall of the steering gear body (1) is mounted on the upper surface of the fixed block (8) and the floating block (9), a pair of springs (10) are fixedly connected to the lower side of the floating block (9), a support rod (11) is provided on the front side of the floating slide (5), a rotating clamping cylinder (12) is installed on the front surface of the floating slide (5), a center hole (13) is opened on the rear side of the steering gear body (1), and the inner side wall of the center hole (13) is plugged into the outer side wall of the positioning rod (7).

2. A positioning fixture for a wire-controlled steering gear according to claim 1, characterized in that: A pair of mounting blocks (14) are fixedly connected to the front surface of the floating slide (5), the upper surface of the mounting block (14) on the right side is fixedly connected to the lower surface of the fixed block (8), and the upper surface of the mounting block (14) on the left side is fixedly connected to the lower end of the spring (10).

3. A positioning fixture for a wire-controlled steering gear according to claim 2, characterized in that: A pair of slide bars (15) are slidably connected to the inner side wall of the left mounting block (14), the upper ends of the slide bars (15) are fixedly connected to the lower surface of the floating block (9), and the lower ends of the slide bars (15) are fixedly connected to an anti-slip block (16).

4. A positioning fixture for a wire-controlled steering device according to claim 1, characterized in that: A guide block (17) is fixedly connected to the right side of the front surface of the floating slide (5), and the inner side wall of the guide block (17) is slidably connected to the outer side wall of the support rod (11).

5. The positioning fixture of a wire-controlled steering gear according to claim 1, characterized in that: A pair of guide rails (18) are fixedly connected to the front surface of the support frame (2), and evenly distributed sliders (19) are fixedly connected to the rear side wall of the floating slide (5), and the inner side wall of the slider (19) is slidably connected to the outer side wall of the guide rail (18).

6. The positioning fixture of a wire-controlled steering gear according to claim 1, characterized in that: A pair of reinforcement frames (20) are fixedly connected to the rear side walls of the support frame (2).

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