CN218296977U

CN218296977U - Universal mechanical steering gear arm-matching fixing tool detection tool

Info

Publication number: CN218296977U
Application number: CN202222056801.2U
Authority: CN
Inventors: 田诗傲; 陶华栋
Original assignee: Hubei Tri Ring Motor Steering Gear Co ltd
Current assignee: Hubei Tri Ring Motor Steering Gear Co ltd
Priority date: 2022-08-05
Filing date: 2022-08-05
Publication date: 2023-01-13
Anticipated expiration: 2032-08-05

Abstract

The utility model discloses an utensil is examined to fixed frock of arm is joined in marriage to general type mechanical steering ware, include: the device comprises a fixed platform, a support, a positioning frame, a height measuring block and the like; an arc-shaped support is fixed above the fixed platform, height measuring blocks are fixed on the support in a detachable mode, angle measuring blocks are fixed above the two groups of height measuring blocks, scales which are arranged in a circumferential equidistant mode are arranged on the angle measuring blocks, a qualified drooping arm of a measured workpiece is arranged on the angle measuring blocks and is positioned under an original central position and two steering swing extreme positions, concentric circle center through holes of mounting holes on the drooping arm are respectively a central positioning hole and an angle positioning hole, a tolerance measuring block for measuring the tolerance of the drooping arm is arranged on the angle measuring block, and a positioning frame for fixing the measured workpiece is arranged on the fixed platform; the utility model has the advantages that: the labor intensity of workers and the skill learning time are reduced, the machining procedure of the tool checking fixture for the steering gear arm is simplified, and the machining time is reduced.

Description

Universal mechanical steering gear arm-matching fixing tool detection tool

Technical Field

The utility model relates to machinery examines the utensil field, specifically is a utensil is examined to fixed frock of arm is joined in marriage to general type mechanical steering ware.

Background

The mechanical steering device is a device which properly changes the steering torque and the steering angle from a steering wheel and transfers the steering torque and the steering angle to wheels by a steering pull rod mechanism to make a vehicle turn, and in a steering transmission system of the vehicle, a vertical arm of the steering device is connected with the steering pull rod mechanism to transfer torque; when a conventional mechanical steering gear is used for assembling a vertical arm, a special tool is required to fix and carry out angle detection on two sides, and if the type of the mechanical steering gear is more, corresponding special arm matching fixtures are more, the universality is not high, so that the number of arm matching tool fixtures placed on site is more, the arm matching fixing tool is larger and heavier, and the labor intensity of workers during replacement is higher; in many vehicle types, the size of a steering gear, the initial angle of a vertical arm, the center distance of the vertical arm and the distance from the conical hole surface of the vertical arm to the mounting surface of a shell are different, but most of the fixing and mounting modes of the steering gear on many vehicle types are consistent, so that the steering gear arm matching fixing tool which can realize the universality of a plurality of sets of mechanical steering gears only by replacing part of parts by means of the characteristics is required in the prior art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a general type machinery steering gear joins in marriage fixed frock of arm and examines utensil to solve the problem that mentions in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a utensil is examined to fixed frock of arm is joined in marriage to general type mechanical steering ware, includes: the device comprises a fixed platform, a support, a positioning frame, a height measuring block, an angle measuring block, a tolerance measuring block, a sliding sleeve, a measuring rod, a central positioning hole, an angle positioning hole, a measured workpiece and a vertical arm; the measured workpiece is a mechanical steering gear to be measured, the vertical arm is a steering matching arm of the mechanical steering gear, and the vertical arm is provided with a mounting hole connected with an automobile steering structure; the fixed platform is a metal flat plate structure or a plane structure's work platform, the fixed platform top is fixed with an curved support, adopt the detachable mode to be fixed with the height measurement piece of two square structures on the support, the top of two sets of height measurement pieces adopts the detachable mode to fix the lower surface at an curved angle measurement piece jointly, be equipped with the scale that is circumference equidistance and arranges on the angle measurement piece, the arm that hangs down that is equipped with qualified measured work piece on the angle measurement piece is put at original central point, two turn to under the swing utmost point spacing, the concentric centre of a circle through-hole of mounting hole on the arm that hangs down, be central locating hole respectively, the angle locating hole, be equipped with the tolerance measurement piece of measuring the arm tolerance that hangs down on the angle measurement piece, be equipped with the locating rack of fixed measured work piece on the fixed platform.

Preferably, the positioning frame is of a ']' -shaped structure, and a vertical fixing rod and a horizontal positioning rod which are matched with the mounting hole on the measured workpiece and used for respectively positioning the vertical position of the measured workpiece and the horizontal position of the measured workpiece are inserted in the positioning frame.

Preferably, the tolerance block includes: a chute and a positioning bolt; the tolerance block is a block structure, a group of notch-shaped bolt holes are formed in the tolerance block to form sliding grooves, two groups of positioning bolts are arranged in the sliding grooves and fixed on the angle measuring block, and the sliding grooves and the two groups of positioning bolts can slide relative positions in a mode of loosening the positioning bolts, so that the relative positions of the tolerance block on the angle measuring block are changed.

Preferably, in order to ensure that the movable range of the tolerance block does not influence the appearance of the scale of the angle measuring block, a convex protrusion is arranged at the horizontal position of the angle measuring block and in the outer side direction of the scale and is used for screwing in the positioning bolt far away from the measured workpiece, so that the movable range of the tolerance block is close to the outer side of the scale of the angle measuring block.

Preferably, the tolerance block is provided with a slot in a direction close to the measured workpiece, so that a stepped structure is formed on the tolerance block, the top surface of the uppermost step of the stepped structure defines the stepped structure as a high step, and the top surface of the lowermost step of the stepped structure defines a low step.

Preferably, the detachable connection mode of the height measuring block, the support and the angle measuring block is bolt connection.

Preferably, in order to facilitate the installation and the disassembly of the height measuring block, the bracket is fixed on the fixed platform in an overhead mode by adopting more than two groups of square blocks, so that the bolts below the height measuring block can be conveniently assembled and disassembled.

Preferably, the sliding sleeve is of a sleeve structure embedded in the vertical arm mounting hole, the outer diameter of the sliding sleeve is consistent with the inner diameter of the vertical arm mounting hole, a measuring rod capable of sliding up and down in the sliding sleeve is concentrically arranged in the sliding sleeve, and the outer diameter of the measuring rod is consistent with the inner diameter of the sliding sleeve.

Compared with the prior art, the beneficial effects of the utility model are that: because the utility model adopts the detachable design of the height gauge block 4, the angle gauge block 5 and the tolerance gauge block 6; when the utility model is used for when the mechanical steering gear of other models that the inspection mounting means is the same, only hang down the arm initial angle, hang down the centre-to-centre spacing of arm, hang down the arm taper hole face and differ to the distance of casing installation face, then only need change corresponding high gage block 4, angle gage block 5, tolerance gage block 6, measurement principle and measurement mode and the unanimous intensity of labour and the skill study time that has reduced the workman with the aforesaid, simplified the manufacturing procedure that the frock of steering gear joining in marriage arm was examined the utensil, reduce man-hour.

Drawings

Fig. 1 is a schematic perspective view of a universal mechanical steering gear arm-matching fixing tool inspection device.

Fig. 2 is a schematic view of the principle of angle measurement in the universal mechanical steering gear arm-matching fixing tool inspection device.

Fig. 3 is a schematic diagram of a tolerance block in a universal mechanical steering gear arm-matching fixing tool.

In the figure: 1. a fixed platform; 2. a support; 3. a positioning frame; 4. a height measuring block; 5. an angle gauge block; 6. a tolerance block; 7. a sliding sleeve; 8. a measuring rod; 9. a central positioning hole; 10. angle positioning holes; 11. a vertical fixing rod; 12. a horizontal positioning rod; 13. a measured workpiece; 14. a drop arm; 61. a chute; 62. positioning bolts; 63. High order; 64. low order.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments; based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 3, in an embodiment of the present invention, an inspection device for an arm fixing tool of a universal mechanical steering gear includes: the device comprises a fixed platform 1, a support 2, a positioning frame 3, a height measuring block 4, an angle measuring block 5, a tolerance measuring block 6, a sliding sleeve 7, a measuring rod 8, a central positioning hole 9, an angle positioning hole 10, a measured workpiece 13 and a vertical arm 14; the measured workpiece 13 is a mechanical steering gear to be measured, the vertical arm 14 is a steering matching arm of the mechanical steering gear, and the vertical arm 14 is provided with a mounting hole connected with an automobile steering structure; fixed platform 1 is a metal flat plate structure or planar structure's work platform, fixed platform 1 top is fixed with an curved support 2, adopt the detachable mode to be fixed with the height gage block 4 of two square structures on the support 2, the top of two sets of height gage blocks 4 adopts the detachable mode to fix the lower surface at an curved angle gage block 5 jointly, be equipped with the scale that is circumference equidistance range on the angle gage block 5, the arm 14 that hangs down that is equipped with qualified measured work piece 13 on the angle gage block 5 is original central point put, two turn to under the swing limit, hang down the concentric centre of a circle through-hole of mounting hole on the arm 14, be central locating hole 9 respectively, angle locating hole 10, be equipped with the tolerance gage block 6 of measuring the tolerance of arm 14 that hangs down on the angle gage block 5, be equipped with the locating rack 3 of fixed measured work piece 13 on fixed platform 1.

The positioning frame 3 is of a ']' -shaped structure, and a vertical fixing rod 11 which is matched with a mounting hole on the workpiece 13 to be measured and used for respectively positioning the vertical position of the workpiece 13 to be measured and a horizontal positioning rod 12 for positioning the horizontal position of the workpiece 13 to be measured are inserted into the positioning frame 3.

The tolerance block 6 includes: a chute 61 and a positioning pin 62; tolerance block 6 is a block structure, and tolerance block 6 is last to be equipped with the bolt hole formation spout 61 of a set of notch shape, adopts two sets of pilot bolts 62 to fix on angle gage 5 in the spout 61, and the relative position of spout 61 and two sets of pilot bolts 62 is slided to accessible not hard up pilot bolt 62's mode, and then changes the relative position of tolerance block 6 on angle gage 5.

In order to ensure that the movable range of the tolerance block 6 does not influence the display of the scale of the angle measuring block 5, a convex bulge is arranged on the horizontal position of the angle measuring block 5 and the outside direction of the scale and is used for screwing the positioning bolt 62 far away from the measured workpiece 13, so that the movable range of the tolerance block 6 is close to the outside of the scale of the angle measuring block 5.

The tolerance block 6 is provided with a slot in the direction close to the measured workpiece 13, so that a stepped structure is formed on the tolerance block 6, the top surface of the uppermost step of the stepped structure is defined as Gao Weijie, and the top surface of the lowermost step of the stepped structure is defined as a lower step 64.

The height gauge block 4 is detachably connected with the support 2 and the angle gauge block 5 through bolts.

In order to facilitate the installation and the disassembly of the height measuring block 4, the bracket 2 is fixed on the fixed platform 1 in an overhead mode by more than two groups of square blocks, so that the bolts below the height measuring block 4 can be conveniently assembled and disassembled.

The sliding sleeve 7 is of a sleeve structure embedded in the mounting hole of the vertical arm 14, the outer diameter of the sliding sleeve 7 is consistent with the inner diameter of the mounting hole of the vertical arm 14, a measuring rod 8 capable of sliding up and down in the sliding sleeve 7 is concentrically arranged in the sliding sleeve 7, and the outer diameter of the measuring rod 8 is consistent with the inner diameter of the sliding sleeve 7.

The utility model discloses a theory of operation is: when the device is used, all the vertical fixing rods 11 and the horizontal positioning rods 12 are pulled away, the mounting holes of the measured workpiece 13 are aligned with the hole positions left on the positioning frame 3 after the vertical fixing rods 11 and the horizontal positioning rods 12 are pulled away, the measured workpiece 13 is positioned and fixed on the positioning frame 3 in a mode of resetting the vertical fixing rods 11 and the horizontal positioning rods 12, and the sliding sleeve 7 and the measuring rod 8 are arranged in the mounting holes of the vertical arms 14. The following three steps are respectively used for checking whether the center distance of the vertical arm mounting hole, the output angle of the vertical arm and the horizontal height of the vertical arm of the measured workpiece 13 meet the mounting requirements:

the first step is as follows: checking the center distance of the mounting hole of the plumbing arm

In an initial test state, the measuring rod 8 is pulled, if the measuring rod 8 cannot penetrate through the central positioning hole 9 without hindrance, the central distance of the mounting hole of the vertical arm is not qualified, the measured workpiece 13 is unqualified, the measured workpiece 13 is taken down for correction, if the measuring rod 8 can penetrate through the central positioning hole 9 without hindrance, the central distance of the mounting hole of the vertical arm is qualified, and then the next inspection process is carried out.

The second step is that: checking whether the output angle of the vertical arm meets the required requirement

The hanging arm 14 is shifted by hand, the hanging arm 14 of the measured workpiece 13 is deflected at the limit positions in two directions respectively, the measuring rod 8 is pulled, if the pulling measuring rod 8 cannot penetrate through the angle positioning hole 10 without obstruction at each limit position, or the measuring rod 8 cannot penetrate through any angle positioning hole 10 without obstruction, the measured workpiece 13 is unqualified, the measured workpiece 13 is taken down for correction, if the pulling measuring rod 8 at each limit position can penetrate through the angle positioning hole 10 without obstruction at the same time, the output angle of the hanging arm reaches the required requirement, and then the next inspection process is carried out.

The third step: and checking whether the horizontal height of the plumbing arm meets the installation requirement.

The height measuring block 4 is used for adjusting the distance from the top surface of the angle measuring block 5 to the upper surface of the fixed platform 1, slightly loosening the positioning bolt 62, adjusting the position of the tolerance measuring block 6 along the sliding groove 61, properly adjusting the offset position of the drop arm 14, checking whether the low-level 64 can be inserted into the position under the drop arm 14, if the low-level 64 cannot be inserted into the position under the drop arm 14, taking down the measured workpiece 13, performing correction work, if the low-level 64 can be inserted into the position under the drop arm 14, continuing the next checking process, slightly offsetting the drop arm 14, moving the tolerance measuring block 6 to the position closest to the drop arm 14, swinging the drop arm 14, if the drop arm 14 cannot be obstructed by the high-level 63, indicating that the horizontal level of the drop arm 14 is not met the mounting requirement, if the drop arm 14 can be obstructed by the high-level 63, indicating that the horizontal level of the drop arm meets the mounting requirement, and if the drop arm 14 can be obstructed by the high-level 63, indicating that the horizontal level of the drop arm meets the mounting requirement.

When the utility model is used for the mechanical steering gear of other models that the inspection mounting means is the same, only hang down the arm initial angle, hang down the centre-to-centre spacing of arm, hang down the arm taper hole face and differ to the distance of casing installation face, then only need change corresponding height gage block 4, angle gage block 5, tolerance gage block 6, measurement principle and measurement mode and the aforesaid are unanimous.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein; any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a utensil is examined to fixed frock of arm is joined in marriage to general type mechanical steering ware, includes: the device comprises a fixed platform (1), a support (2), a positioning frame (3), a height measuring block (4), an angle measuring block (5), a tolerance measuring block (6), a sliding sleeve (7), a measuring rod (8), a central positioning hole (9), an angle positioning hole (10), a measured workpiece (13) and a vertical arm (14); the measured workpiece (13) is a mechanical steering gear to be measured, the vertical arm (14) is a steering matching arm of the mechanical steering gear, and the vertical arm (14) is provided with a mounting hole connected with an automobile steering structure; the method is characterized in that: fixed platform (1) is a metal flat plate structure or planar structure's work platform, fixed platform (1) top is fixed with a curved support (2), adopt the detachable mode to be fixed with height gauge block (4) of two square structures on support (2), the top of two sets of height gauge block (4) adopts the detachable mode to fix the lower surface at a curved angle gauge block (5) jointly, be equipped with the scale that is the circumference equidistance and arranges on angle gauge block (5), it is equipped with arm (14) of hanging down of qualified measured work piece (13) in original central point position to be equipped with on angle gauge block (5), two turn to swing utmost point spacing down, the concentric centre of a circle through-hole of mounting hole is gone up in arm (14), be central locating hole (9) respectively, angle locating hole (10), be equipped with on angle gauge block (5) and measure tolerance gauge block (6) of arm (14) tolerance that hangs down, be equipped with locating rack (3) of fixed measured work piece (13) on fixed platform (1).

2. The universal mechanical steering gear arm-matching fixing tool detection tool according to claim 1, characterized in that: the positioning frame (3) is of a ']' -shaped structure, and a vertical fixing rod (11) which is matched with a mounting hole on the measured workpiece (13) and is used for respectively positioning the vertical position of the measured workpiece (13) and a horizontal positioning rod (12) for positioning the horizontal position of the measured workpiece (13) are inserted into the positioning frame (3).

3. The universal mechanical steering gear arm-matching fixing tool detection tool according to claim 1, characterized in that: the tolerance block (6) comprises: a sliding groove (61) and a positioning bolt (62); the tolerance block (6) is of a block structure, a group of notch-shaped bolt holes are formed in the tolerance block (6) to form a sliding groove (61), and two groups of positioning bolts (62) are adopted in the sliding groove (61) to be fixed on the angle measuring block (5).

4. The universal mechanical steering gear arm-matching fixing tool detection tool according to claim 1, characterized in that: a convex bulge is arranged at the horizontal position of the angle gauge block (5) and in the outer side direction of the scale.

5. The universal mechanical steering gear arm-matching fixing tool detection tool according to claim 1, characterized in that: the tolerance block (6) is provided with a groove in the direction close to the measured workpiece (13), so that a stepped structure is formed on the tolerance block (6), the top surface of the uppermost step of the stepped structure defines a high step (63), and the top surface of the lowermost step of the stepped structure defines a low step (64).

6. The universal mechanical steering gear arm-matching fixing tool detection tool according to claim 1, characterized in that: the detachable connection mode of the height gauge block (4), the support (2) and the angle gauge block (5) is bolt connection.

7. The universal mechanical steering gear arm-matching fixing tool detection tool according to claim 1, characterized in that: the support (2) is fixed on the fixed platform (1) in an overhead mode by more than two groups of square blocks, and bolts below the height gauge blocks (4) are convenient to assemble and disassemble.

8. The universal mechanical steering gear arm-matching fixing tool detection tool according to claim 1, characterized in that: the sliding sleeve (7) is of a sleeve structure embedded in the mounting hole of the vertical arm (14), the outer diameter of the sliding sleeve (7) is consistent with the inner diameter of the mounting hole of the vertical arm (14), a measuring rod (8) capable of sliding up and down in the sliding sleeve (7) is concentrically arranged in the sliding sleeve (7), and the outer diameter of the measuring rod (8) is consistent with the inner diameter of the sliding sleeve (7).