Special tool for correcting inclination angle of torsion beam and hard bridge of automobile

Abstract

The utility model provides a special tool for correcting the inclination angle of a torsion beam and a hard bridge of an automobile, which is characterized in that a through screw hole is formed in the middle of a supporting plate of an oil cylinder supporting body, an external thread of an adjusting screw rod is screwed in the through screw hole, an oil cylinder is inserted and fixed in a shaft hole of the adjusting screw rod, and the oil cylinder downwards extends out of the shaft hole of the adjusting screw rod. An oil cylinder rod of the oil cylinder upwards extends out of a shaft hole of the adjusting screw rod; when the torsion beam and the hard bridge are in a negative camber angle state, the main beam is located below the torsion beam and the hard bridge, the lower ends of the two iron chains bypass the main beam, the upper ends of the two iron chains bypass the torsion beam and the hard bridge, and the main beam is hung on the torsion beam and the hard bridge; the oil cylinder supporting body is located between the two iron chains, and a supporting plate of the oil cylinder supporting body is erected on the upper edge of the main beam. The top of the oil cylinder rod abuts against the torsion beam and the hard bridge. According to the utility model, the deformation of toe-in angles and camber angles of torsion beams and hard wheel axles can be effectively corrected.

Description

Technical Field

[0001] The utility model relates to the field of automobile maintenance tools, in particular to a special tool for correcting the inclination angle of a torsion beam and a rigid bridge of an automobile. Background Art

[0002] Automobile chassis and four-wheel alignment adjustment. When the chassis is subjected to severe bumps or external impacts, the chassis suspension structure will have different degrees of changes or even deformation, including deformation and changes of the torsion beam and hard bridge structure, which will cause serious changes in the toe angle and camber angle included in the four-wheel alignment, causing the car to drift, skid, run off track and serious tire wear, increase rolling resistance, increase fuel consumption, and thus reduce the safety, stability, controllability and economy of the car. Since the torsion beam and hard bridge adopt a fixed wheel bridge design, the rear wheel camber angle, total toe angle and individual toe angle cannot be adjusted. When the wheel bridge is deformed under force and the wheel camber or toe angle changes, traditional and existing four-wheel alignment methods and technologies cannot solve the fundamental problem of wheel bridge deformation.

[0003] Now there appears Figure 1 、 Figure 2 The structure shown is connected by the auxiliary equipment separate oil pump and cylinder 3' and the auxiliary equipment reinforced iron chain 2', which corrects the negative camber angle of the torsion beam and the hard bridge. The oil pump of the auxiliary equipment separate oil pump and the oil cylinder 3' outputs hydraulic pressure to the cylinder, causing the piston in the cylinder to extend outward, and the force is output to the auxiliary equipment reinforced iron chain 2' and the bridge body 100 itself, generating a reverse force to the deformation position of the bridge body 100 for adjustment. However, the oil cylinder force of this structure is decomposed in the inclined iron chains on the left and right, and the force utilization rate is not high. Moreover, this structure is unsafe. Since the iron chain is inclined, it may twist together or be displaced due to the lateral decomposition force. Utility Model Content

[0004] The utility model provides a special tool for correcting the inclination angle of a torsion beam and a hard bridge of an automobile, which aims to solve the shortcomings of the prior art and can effectively correct the deformation of the toe angle and camber angle of the torsion beam and the hard bridge wheel bridge.

[0005] The technical solution adopted by the utility model to solve its technical problems is:

[0006] A special tool for correcting the inclination of a torsion beam or rigid axle of a car, characterized by:

[0007] Having a main beam;

[0008] The oil cylinder support body has an oil cylinder support body, a through screw hole is opened in the middle of the support plate of the oil cylinder support body, the external thread of the adjusting screw is screwed in the through screw hole, the oil cylinder is inserted into and fixed in the axial hole of the adjusting screw, the oil cylinder extends downwardly out of the axial hole of the adjusting screw, and the oil cylinder rod of the oil cylinder extends upward out of the axial hole of the adjusting screw;

[0009] When the torsion beam and rigid bridge are in negative camber state:

[0010] The main beam is located below the torsion beam and the hard bridge, and the lower ends of the two iron chains go around the main beam, while the upper ends go around the torsion beam and the hard bridge;

[0011] The oil cylinder support body is located between the two iron chains, and the support plate of the oil cylinder support body is placed on the upper side of the main beam;

[0012] The top of the cylinder rod bears against the torsion beam and the hard bridge;

[0013] When the torsion beam and rigid bridge are in positive camber state:

[0014] The main beam is located below the torsion beam and the hard bridge, and the lower end of an iron chain passes around the main beam, and the upper end passes around the torsion beam and the hard bridge;

[0015] The top rod support plate is located on one side of the iron chain and is mounted on the upper side of the main beam. The top rod fixed on the top rod support plate supports the torsion beam and the hard bridge.

[0016] The oil cylinder support body is located on the other side of the iron chain, and the support plate of the oil cylinder support body is placed on the upper side of the main beam;

[0017] The top of the cylinder rod bears against the torsion beam and the hard bridge;

[0018] When the torsion beam and rigid bridge are in positive toe angle state or negative toe angle state:

[0019] The main beam is located on the side of the torsion beam and the hard bridge, and the two iron chains each pass around the main beam and pass around the torsion beam and the hard bridge;

[0020] The oil cylinder support body is located between the two iron chains, and the support plate of the oil cylinder support body is mounted on the main beam;

[0021] The top of the cylinder rod supports the torsion beam and the hard bridge.

[0022] A bottom edge slot is provided on the bottom edge of the main beam, and the iron chain is clamped in the bottom edge slot.

[0023] The main beam has a cavity, a partition is welded in the cavity of the main beam, a partition clamping groove is opened on the bottom edge of the partition, and the iron chain is clamped in the partition clamping groove.

[0024] The width of the support plate of the oil cylinder support body is smaller than the width of the cavity of the main beam, and the length of the support plate of the oil cylinder support body is greater than the width of the cavity of the main beam.

[0025] The width of the mandrel support plate is smaller than the width of the cavity of the main beam, and the length of the mandrel support plate is greater than the width of the cavity of the main beam.

[0026] An extension rod is installed on the top of the oil cylinder rod, and a lifting block is installed on the top of the extension rod. The lifting block supports the torsion beam and the hard bridge.

[0027] The lifting block at the top of the extension rod is arc-shaped.

[0028] The external thread of the push rod is screwed into the through screw hole of the push rod supporting plate.

[0029] A lifting block is installed on the top of the push rod, and the lifting block supports the torsion beam and the hard bridge.

[0030] The lifting block installed on the top of the push rod is arc-shaped.

[0031] The utility model is beneficial in that:

[0032] The structure is simple and practical; the force utilization rate is high. When performing four-wheel alignment and chassis maintenance and adjustment operations, the operation is simple and the work efficiency is improved. Since the iron chain is straight, it will not move. All forces act vertically on the torsion beam and the hard bridge, and the operation is safe. This solves the wheel bridge deformation and the four-wheel alignment angle data changes, and improves the vehicle's driving safety, stability, controllability and economy. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0034] Figure 1 It is one of the prior art schematic diagrams;

[0035] Figure 2 This is the second schematic diagram of the prior art;

[0036] Figure 3 This is a three-dimensional exploded view of the utility model;

[0037] Figure 4 This is one of the schematic diagrams of the present invention for correcting the negative camber of a torsion beam and a rigid bridge;

[0038] Figure 5 This is the second schematic diagram of the present invention for correcting the negative camber angle of a torsion beam and a rigid bridge;

[0039] Figure 6 This is one of the schematic diagrams of the present invention for correcting the positive camber angle of the torsion beam and the rigid bridge;

[0040] Figure 7 This is the second schematic diagram of the utility model for correcting the positive camber angle of the torsion beam and the hard bridge. DETAILED DESCRIPTION

[0041] In order to more clearly illustrate the technical solution of the present invention, the following will briefly introduce the drawings required for the description. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other embodiments can be obtained based on these drawings without inventive work. In order to facilitate understanding of the present invention, the following will be described in more detail with reference to the drawings and specific embodiments.

[0042] It should be noted that when an element is described as being "fixed to" another element, it can be directly on the other element, or one or more elements can be present in between. When an element is described as being "connected" to another element, it can be directly connected to the other element, or one or more elements can be present in between. The terms "upper", "lower", "inner", "outer", "bottom", etc. used in this specification indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first", "second", "third", etc. are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0043] like Figure 3 As shown:

[0044] The utility model comprises a frame-type main beam 1 welded from steel plates, a bottom edge slot 11 being provided at the bottom edge of the main beam 1, a partition plate 12 being welded in the cavity of the main beam 1, and a partition plate slot 13 being provided at the bottom edge of the partition plate 12. The bottom edge slot 11 and the partition plate slot 13 are used to clamp the iron chain so that it will not be slipped away and ensure safety.

[0045] The width of the support plate 31 of the oil cylinder support body 3 is smaller than the width of the cavity of the main beam 1 , and the length of the support plate 31 of the oil cylinder support body 3 is greater than the width of the cavity of the main beam 1 .

[0046] A through-screw hole 30 is defined in the center of the support plate 31. The external thread of the adjusting screw 32 is threadedly mounted in the through-screw hole 30. A cylinder 37 is inserted into and fixed in the axial hole of the adjusting screw 32. The cylinder 37 extends downwardly out of the axial hole of the adjusting screw 32, and the actuating rod 36 of the cylinder 37 is positioned below the adjusting screw 32. The cylinder rod 33 of the cylinder 37 extends upward out of the axial hole of the adjusting screw 32. An extension rod 34 is mounted on the top of the cylinder rod 33, and a curved lifting block 35 is mounted on the top of the extension rod 34. The curved shape increases the contact area with the torsion beam and the rigid bridge 100.

[0047] The width of the mandrel support plate 41 is smaller than the width of the cavity of the main beam 1 , and the length of the mandrel support plate 41 is greater than the width of the cavity of the main beam 1 .

[0048] The external thread of the push rod 4 is screwed into the through screw hole 40 of the push rod support plate 41 , and an arc-shaped lifting block 42 is installed on the top of the push rod 4 .

[0049] like Figure 4 、 Figure 5 As shown:

[0050] At this time, the torsion beam and the rigid bridge are in a negative camber state, that is, the upper end of the wheel 200 is inward and the lower end is outward, and the torsion beam and the rigid bridge 100 are bent downward.

[0051] The main beam 1 is placed below the torsion beam and hard bridge 100. Two iron chains 2 (or chains made of other materials with sufficient strength) are located near both sides of the main beam 1. The lower ends of the iron chains 2 pass around the main beam 1 and are stuck in the bottom edge slots 11, while the upper ends pass around the torsion beam and hard bridge 100. The iron chains 2 are ring-shaped, thereby suspending the main beam 1 on the torsion beam and hard bridge 100. There can be multiple slots 11, and the lower ends of the iron chains 2 can also be stuck in the partition slots 13. This allows the iron chains to be adjusted according to the deformation of the torsion beam and hard bridge 100, facilitating maintenance.

[0052] The width of the support plate 31 of the oil cylinder support body 3 is smaller than the width of the cavity of the main beam 1, and the length of the support plate 31 of the oil cylinder support body 3 is greater than the width of the cavity of the main beam 1. Therefore, the support plate 31 can be passed through the cavity of the main beam 1 from below, and then rotated 90 degrees, so that the support plate 31 can be placed on the upper side of the main beam 1.

[0053] The adjusting screw 32 can be rotated to move up and down in the through screw hole 30 , thereby adjusting the height of the oil cylinder 37 to adapt to the positions of the torsion beam and the hard bridge 100 .

[0054] The extension rod 34 is installed on the top of the cylinder rod 33 to enable the lifting block 35 to adapt to the position of the torsion beam and the hard bridge 100.

[0055] Finally, the lifting block 35 holds the torsion beam and the rigid bridge 100 in place.

[0056] By pressing the actuating rod 36, the cylinder rod 33 rises, and the extension rod 34 and the lifting block 35 rise. Since the two iron chains 2 and the main beam 1 pull the torsion beam and the two sides of the hard bridge 100, the cylinder 37 is integrated with the adjusting screw 32, and the adjusting screw 32 is fixedly connected to the support plate 31. Since the support plate 31 is mounted on the upper side of the main beam 1, the cylinder 37 will not drop. In this way, the position where the torsion beam and the hard bridge 100 are supported by the lifting block 35 is pushed upward, and the torsion beam and the hard bridge 100 are deformed and corrected from the downward bending to the correct shape.

[0057] like Figure 6 、 Figure 7 As shown:

[0058] At this time, the torsion beam and the rigid bridge are in a positive camber state, that is, the upper end of the wheel 200 is outward and inward, and the lower end is inward, and the torsion beam and the rigid bridge 100 are bent upward.

[0059] The main beam 1 is placed under the torsion beam and the hard bridge 100. An iron chain 2 is located near the middle of the main beam 1. The lower end of the iron chain 2 passes around the main beam 1 and is stuck in the bottom edge slot 11 or in the middle. The upper end passes around the torsion beam and the hard bridge 100. The iron chain 2 is ring-shaped, thereby hanging the main beam 1 on the torsion beam and the hard bridge 100.

[0060] The width of the top rod support plate 41 is smaller than the width of the cavity of the main beam 1, and the length of the top rod support plate 41 is greater than the width of the cavity of the main beam 1. Therefore, the top rod support plate 41 can be passed through the cavity of the main beam 1 from below, and then rotated 90 degrees, so that the top rod support plate 41 can be placed on the top of the main beam 1. The top rod support plate 4 is located on one side of the iron chain 2.

[0061] The external thread of the push rod 4 is screwed into the through screw hole 40 of the push rod support plate 41 , and an arc-shaped lifting block 42 is installed on the top of the push rod 4 .

[0062] The top rod 4 can be rotated to move up and down in the through screw hole 40 , which is the height of the lifting block 42 to adapt to the position of the torsion beam and the hard bridge 100 .

[0063] Finally, the lifting block 42 holds the torsion beam and the rigid bridge 100 in place.

[0064] The top rod support plate 41 is mounted on the upper side of the main beam 1 so that the top rod 4 will not drop and plays a supporting role.

[0065] As described above, on the other side of the iron chain 2 relative to the top rod support plate 41, the support plate 31 of the cylinder support body 3 is placed on the upper side of the main beam 1, and the lifting block 35 supports the appropriate position of the torsion beam and the hard bridge 100.

[0066] By pressing the actuating rod 36, the cylinder rod 33 rises, and the extension rod 34 and the lifting block 35 rise. Since the iron chains 2 and the main beam 1 pull the middle part of the torsion beam and the hard bridge 100, the torsion beam and the hard bridge 100 on the other side of the iron chain 2 are supported by the push rod 4. In this way, the position where the torsion beam and the hard bridge 100 are supported by the lifting block 35 is pushed upward, and the torsion beam and the hard bridge 100 are deformed and corrected from the upward bending to the correct shape.

[0067] If it is to correct the positive toe angle state or negative toe angle state of the torsion beam and the hard bridge, it is only necessary to place the main beam 1 on the side of the torsion beam and the hard bridge 100, and the two iron chains 2 each pass around the main beam 1 and the torsion beam and the hard bridge 100; the cylinder support body 3 is located between the two iron chains 2, and the support plate 31 of the cylinder support body 3 is placed on the main beam 1; the top of the cylinder rod 33 supports the torsion beam and the hard bridge 100 and then corrects the positive toe angle state or negative toe angle state of the torsion beam and the hard bridge in the above-mentioned way of correcting the torsion beam and the hard bridge to a negative camber angle state, that is, at this time the iron chain 2 and the cylinder support body 3 are in a state close to horizontal, and the entire structure is horizontal, applying horizontal force to the torsion beam and the hard bridge 100. At this time, correction can be performed with the combination of the main beam 1, the iron chain 2 and the cylinder support body 3.

[0068] The various embodiments in this specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the various embodiments can be referred to each other. The above description of the disclosed embodiments enables professionals and technicians in this field to implement or use the utility model. Various modifications to these embodiments will be obvious to professionals and technicians in this field. The general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the utility model. Therefore, the utility model will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A special tool for correcting the inclination of a torsion beam or rigid bridge of a car, characterized by: Having a main beam; The oil cylinder support body has an oil cylinder support body, a through screw hole is opened in the middle of the support plate of the oil cylinder support body, the external thread of the adjusting screw is screwed in the through screw hole, the oil cylinder is inserted into and fixed in the axial hole of the adjusting screw, the oil cylinder extends downwardly out of the axial hole of the adjusting screw, and the oil cylinder rod of the oil cylinder extends upward out of the axial hole of the adjusting screw; When the torsion beam and rigid bridge are in negative camber state: The main beam is located below the torsion beam and the hard bridge, and the lower ends of the two iron chains go around the main beam, while the upper ends go around the torsion beam and the hard bridge; The oil cylinder support body is located between the two iron chains, and the support plate of the oil cylinder support body is placed on the upper side of the main beam; The top of the cylinder rod bears against the torsion beam and the hard bridge; When the torsion beam and rigid bridge are in positive camber state: The main beam is located below the torsion beam and the hard bridge, and the lower end of an iron chain passes around the main beam, and the upper end passes around the torsion beam and the hard bridge; The top rod support plate is located on one side of the iron chain and is mounted on the upper side of the main beam. The top rod fixed on the top rod support plate supports the torsion beam and the hard bridge. The oil cylinder support body is located on the other side of the iron chain, and the support plate of the oil cylinder support body is placed on the upper side of the main beam; The top of the cylinder rod bears against the torsion beam and the hard bridge; When the torsion beam and rigid bridge are in positive toe angle state or negative toe angle state: The main beam is located on the side of the torsion beam and the hard bridge, and the two iron chains each pass around the main beam and pass around the torsion beam and the hard bridge; The oil cylinder support body is located between the two iron chains, and the support plate of the oil cylinder support body is mounted on the main beam; The top of the cylinder rod supports the torsion beam and the hard bridge.

2. The tool for correcting the inclination of a torsion beam and a rigid bridge of an automobile as claimed in claim 1, characterized in that: A bottom edge slot is provided on the bottom edge of the main beam, and the iron chain is clamped in the bottom edge slot.

3. The tool for correcting the inclination of a torsion beam and a rigid bridge of an automobile as claimed in claim 1, characterized in that: The main beam has a cavity, a partition is welded in the cavity of the main beam, a partition clamping groove is opened on the bottom edge of the partition, and the iron chain is clamped in the partition clamping groove.

4. The tool for correcting the inclination of a torsion beam and a rigid bridge of an automobile as claimed in claim 1, characterized in that: The width of the support plate of the oil cylinder support body is smaller than the width of the cavity of the main beam, and the length of the support plate of the oil cylinder support body is greater than the width of the cavity of the main beam; The width of the mandrel support plate is smaller than the width of the cavity of the main beam, and the length of the mandrel support plate is greater than the width of the cavity of the main beam.

5. The tool for correcting the inclination of a torsion beam and a rigid bridge of an automobile as claimed in claim 1, characterized in that: An extension rod is installed on the top of the oil cylinder rod, and a lifting block is installed on the top of the extension rod. The lifting block supports the torsion beam and the hard bridge.

6. The tool for correcting the inclination of a torsion beam and a rigid bridge of an automobile as claimed in claim 5, characterized in that: The lifting block at the top of the extension rod is arc-shaped.

7. The tool for correcting the inclination of a torsion beam or a rigid bridge of an automobile as claimed in claim 1, characterized in that: The external thread of the push rod is screwed into the through screw hole of the push rod supporting plate.

8. The tool for correcting the inclination of a torsion beam and a rigid bridge of an automobile as claimed in claim 7, characterized in that: A lifting block is installed on the top of the push rod, and the lifting block supports the torsion beam and the hard bridge.

9. The tool for correcting the inclination of a torsion beam and a rigid bridge of an automobile as claimed in claim 8, characterized in that: The lifting block installed on the top of the push rod is arc-shaped.

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