CN216160170U - Mechanical steering gear running-in device - Google Patents

Abstract

The utility model discloses a mechanical steering gear running-in device, which belongs to the technical field of steering gear running-in, and comprises a lathe bed part, two running-in parts, upright column parts, clamps, an oil circuit testing part and a clearance detecting part, wherein the central position of the front side wall of the lathe bed part is symmetrically connected with the two running-in parts, the upright column parts are arranged on the outer side of the lathe bed part, the two groups of clamps are arranged, the clamps are arranged on the upright column parts, the front side of the lathe bed part corresponds to the right side of the clamps and is connected with the clearance detecting part, the rack is pushed and pulled, the structure is simple, stable and reliable, the model change is convenient, the problems that the rigidity of a shell and other parts is insufficient when the clearance is detected by directly contacting a rack supporting seat through the existing clearance detection, the deviation can affect the testing structure, and the clearance detection adopts a relative measuring mode, product errors can be eliminated, and gap detection is more accurate.

Description

Mechanical steering gear running-in device

Technical Field

The utility model relates to the technical field of running-in of a steering gear, in particular to a running-in device of a mechanical steering gear.

Background

At present, the mechanical steering gear is a steering gear commonly used in an automobile steering system and is an automobile core safety part, and the mechanical steering gear running-in test can eliminate the meshing burrs of a rack and a gear of the mechanical steering gear, so that a user can operate safely and comfortably. The existing running-in test device mainly runs in through a rotating gear shaft, but the position difference of different types of steering gear shafts is large, various adjusting devices are required to be added, the model change is inconvenient, the cost is high, the mechanical steering gear running-in test device pushes and pulls the rack, the structure is simple, the stability and the reliability are high, the model change is convenient, the problem that the rigidity of a shell and other parts is not enough when the existing gap detection is carried out and the direct displacement sensor is used for contacting the rack supporting seat to detect the gap is eliminated, and the offset can influence a test structure.

SUMMERY OF THE UTILITY MODEL

This section is for the purpose of summarizing some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the abstract of the specification and the title of the application to avoid obscuring the purpose of this section, the abstract of the specification and the title of the application, and such simplifications or omissions are not intended to limit the scope of the utility model.

The present invention has been made in view of the above and/or other problems with the prior art running device.

Therefore, the utility model aims to provide a mechanical steering gear running-in device which can push and pull a rack, is simple in structure, stable and reliable, is convenient to change the model, and eliminates the problems that the rigidity of a shell and other parts is insufficient when the gap is detected by directly contacting a rack supporting seat with a displacement sensor in the conventional gap detection, the deviation can affect a test structure, the gap detection adopts a relative measurement mode, the product error can be eliminated, and the gap detection is more accurate.

To solve the above technical problem, according to an aspect of the present invention, the present invention provides the following technical solutions:

a mechanical steering gear running-in device, comprising: the clamp comprises a lathe bed part, two running-in parts, two upright column parts, two clamps, an oil path testing part and a clearance detecting part, wherein the central positions of the front side walls of the lathe bed part are symmetrically connected with the two running-in parts, the upright column parts are arranged on the outer side of the lathe bed part, the two clamps are arranged on the upright column parts, the two clamps and the running-in parts are arranged in a one-to-one correspondence mode, the oil path testing part is installed at the bottom of the inner side of the lathe bed part, and the front side of the lathe bed part corresponds to the right side of the clamp and is connected with the clearance detecting part.

As a preferable aspect of the mechanical steering gear running-in device according to the present invention, wherein: the lathe bed part comprises welding frame, guard plate, tristimulus lamp subassembly, grating subassembly, keyboard subassembly, spanner subassembly and electrical cabinet group for provide equipment frame and support.

As a preferable aspect of the mechanical steering gear running-in device according to the present invention, wherein: the running-in part comprises an electric cylinder, a servo motor, a self-made clamping device, a shell clamping cylinder, a pulling pressure sensor and a shell clamp device and is mainly used for clamping a shell and a rack joint, pulling and pushing a rack and testing the pushing and pulling force of the rack.

As a preferable aspect of the mechanical steering gear running-in device according to the present invention, wherein: the upright post part consists of a display unit, upright post side plates, a material box assembly, a switch assembly, a bottom plate and a vertical plate and is used for installing the running-in part and the clamp.

As a preferable aspect of the mechanical steering gear running-in device according to the present invention, wherein: the fixture mainly comprises a positioning assembly, a rack joint, a support leg fixture and an adjusting sliding table.

As a preferable aspect of the mechanical steering gear running-in device according to the present invention, wherein: the clearance detection part consists of a fixed-torque wrench assembly, a displacement detection device, a lifting device, a stepping motor and a drag chain and is mainly used for testing the clearance between the rack and the supporting seat.

Compared with the prior art: through carrying out the push-and-pull to the rack, simple structure, reliable and stable, the remodelling is convenient, and it can have casing and the not enough problem of other part rigidity to eliminate current clearance detection to adopt direct displacement sensor contact rack supporting seat to detect the clearance, and the skew can exert an influence to test structure, and the clearance detects and adopts the relative measurement mode, can eliminate the product error, and the clearance detects more accurately.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the present invention will be described in detail with reference to the accompanying drawings and detailed embodiments, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise. Wherein:

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of a portion of the present invention;

FIG. 3 is a schematic view of the clamp of the present invention;

FIG. 4 is a schematic view of a gap detecting member according to the present invention.

In the figure: 1 lathe bed part, 2 running-in parts, 3 stand parts, 3a display group, 3b stand curb plate, 3c magazine subassembly, 3d switch module, 3e bottom plate, 3f riser, 4 anchor clamps, 4a locating component, 4b rack joint, 4c stabilizer blade anchor clamps, 4d adjust the slip table, 5 oil circuit test parts, 6 clearance detection parts, 6a wrench assembly that surely twists, 6b displacement detection device, 6c elevating gear, 6d step motor, 6e tow chain.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described herein, and it will be apparent to those of ordinary skill in the art that the present invention may be practiced without departing from the spirit and scope of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.

Next, the present invention will be described in detail with reference to the drawings, wherein for convenience of illustration, the cross-sectional view of the device structure is not enlarged partially according to the general scale, and the drawings are only examples, which should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.

In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

The utility model provides a mechanical steering gear running-in device, which is simple in structure, stable and reliable, convenient to change types and capable of eliminating the problem that the rigidity of a shell and other parts is insufficient when the gap is detected by directly contacting a rack supporting seat through a displacement sensor in the prior gap detection, the influence on a test structure is caused by deviation, the gap detection adopts a relative measurement mode, product errors can be eliminated, and the gap detection is more accurate by referring to figures 1-4, wherein the mechanical steering gear running-in device comprises a machine body part 1, a running-in part 2, a stand column part 3, a clamp 4, an oil way test part 5 and a gap detection part 6, the machine body part 1 consists of a welding frame, a protection plate, a three-color lamp assembly, a grating assembly, a keyboard assembly, a spanner assembly and an electric control box assembly and is used for providing equipment outer frame and support, two running-in parts 2 are symmetrically connected at the central position of the front side wall of the machine body part 1, the running-in part 2 comprises an electric cylinder, a servo motor, a self-made clamping device, a shell clamping cylinder, a pull pressure sensor and a shell clamp device, and is mainly used for clamping a shell and a rack joint, and pushing and pulling a rack, and testing the push-pull force of the rack, the upright part 3 is arranged on the outer side of the lathe bed part 1, the upright part 3 comprises a display group, upright side plates, a magazine component, a switch component, a bottom plate and a vertical plate and is used for installing the running-in part and the clamps, two groups of clamps 4 are arranged on the upright part 3, the two groups of clamps 4 are arranged in one-to-one correspondence with the running-in part 2, each clamp 4 mainly comprises a positioning component, a rack joint, a support leg clamp and an adjusting sliding table and is used for clamping the shell and the rack joint, and pushing and pulling the rack, and testing the push-pull force of the rack, an oil path testing part 5 is arranged at the bottom of the inner side of the lathe bed part 1, the right side of the corresponding to the clamp 4 is connected with a gap detection part 6, the gap detection part 6 is composed of a fixed-torque wrench assembly, a displacement detection device, a lifting device, a stepping motor and a drag chain and is mainly used for testing the gap between the rack and the supporting seat.

The working principle is as follows: manually taking the steering gear assembly and installing the steering gear assembly into a clamp 4, taking a code scanning gun to scan the two-dimensional code of the shell, starting a button, clamping the steering gear assembly shell by the clamp 4, manually taking a rack joint and installing the rack joint into a rack, fixedly twisting by a fixed-twist wrench, and the starting button is pressed, the electric cylinder drives the chuck to move downwards to clamp the rack joint of the product, and pushes and pulls the rack at a certain speed, the wrench is manually taken to loosen the rack supporting seat for a certain angle, and press the clearance and detect the button, elevating gear drives clearance detection part 6 and shifts up to the target, and the manual work gets the wrench gear rack of deciding to turn round to the moment of torsion, and the system judges clearance value automatically (the clearance is unqualified, and the manual work gets the wrench and adjusts the plug screw clearance, and carries out the above-mentioned step), and the manual work gets the wrench gear rack of deciding to turn round to the target homing, presses the start button, and clearance detection part 6 resets, and the manual work loosens the rack joint, presses the start button, and anchor clamps loosen the steering gear assembly, and the manual work is gone off the production line with the steering gear assembly.

While the utility model has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the various features of the disclosed embodiments of the utility model may be used in any combination, provided that no structural conflict exists, and the combinations are not exhaustively described in this specification merely for the sake of brevity and resource conservation. Therefore, it is intended that the utility model not be limited to the particular embodiments disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims (6)

1. A mechanical steering gear running-in device, comprising: the oil way testing device comprises a machine body part (1), running-in parts (2), stand column parts (3), a clamp (4), an oil way testing part (5) and a clearance detecting part (6), wherein the center positions of the front side walls of the machine body part (1) are symmetrically connected with the two running-in parts (2), the stand column parts (3) are arranged on the outer side of the machine body part (1), the clamp (4) is provided with two groups, the clamp (4) is arranged on the stand column parts (3), the clamp (4) and the running-in parts (2) are arranged in a one-to-one correspondence mode, the oil way testing part (5) is installed at the bottom of the inner side of the machine body part (1), and the front side of the machine body part (1) corresponds to the clearance detecting part (6) connected to the right side of the clamp (4).

2. The mechanical steering gear running-in device according to claim 1, wherein the bed part (1) is composed of a welding frame, a protection plate, a tricolor lamp assembly, a grating assembly, a keyboard assembly, a wrench assembly and an electric control box assembly, and is used for providing equipment outer frame and support.

3. A mechanical steering gear running-in device according to claim 1, wherein the running-in part (2) comprises an electric cylinder, a servo motor, a self-made clamping device, a housing clamping cylinder, a pull pressure sensor and a housing clamp device, and is mainly used for clamping a housing and a rack joint, pushing and pulling a rack, and testing the push-pull force of the rack.

4. A mechanical steering gear running-in device according to claim 1, characterized in that the column part (3) consists of a display set (3a), column side plates (3b), a magazine assembly (3c), a switch assembly (3d), a bottom plate (3e) and a riser (3f) for providing the mounting of the running-in part and the fixture.

5. A mechanical steering gear running-in device according to claim 1, characterized in that the clamp (4) mainly comprises a positioning assembly (4a), a rack joint (4b), a foot clamp (4c) and an adjustment ramp (4 d).

6. A mechanical steering gear running-in device according to claim 1, characterized in that the gap detection means (6) is composed of a fixed-torque wrench assembly (6a), a displacement detection device (6b), a lifting device (6c), a stepping motor (6d) and a drag chain (6e), mainly used for testing the gap between the rack and the support.

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