JP2000203395A - Car frame correction device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a car frame correction device capable of performing a frame correcting work of an automobile accurately and safely in a short time and effective utilizing space. SOLUTION: This car frame correction device 10 is provided with a front frame body 11 and a rear frame body. The front frame body 11 is provided with a ceiling cylinder 13, a hanging cylinder 14, a floor surface cylinder 15, reaction force member 30 and the like. The rear frame body is provided with a side cylinder 23, a frame holder and the like. Wheels 42, 43 for travelling are provided at the corner of the front frame body 11 and the rear frame body.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a body frame correcting machine for correcting an automobile frame deformed in an accident or the like.

[0002]

2. Description of the Related Art An apparatus for correcting a frame or a body of an automobile deformed in an accident or the like is disclosed in, for example, JP-A-47-1.
Japanese Patent Laid-Open Nos. 4850, 50-37143, 51-118235, 54-17238, and 55-55221 disclose frame correcting machines.

In these correction machines, a deformed automobile frame or body is fixed to a rail laid on the floor or a dedicated support member, and a chain is hooked on the deformed portion.
The frame and body are restored to their original shape by pulling the chain with a hydraulic cylinder.

[0004]

Since the conventional frame repairing machine uses a chain or a dedicated support member to secure the frame or body of the automobile, the frame repairing machine and the removal work after the completion of the repair are required. Not only does it require a great deal of effort and time, but it also requires a large amount of space to perform the repair work.

Further, when performing a correction operation, a force must be applied in consideration of springback, and a high degree of skill is required to perform an accurate correction. In addition, excessive pulling force may damage the frame, the body, or the like, or deform portions that do not need to be modified.

[0006] Furthermore, there is a high risk that the chain may come off the vehicle during the repair work, or the chain may break due to overload, causing a serious accident.

Accordingly, an object of the present invention is to provide a vehicle body frame correcting machine capable of performing an accurate and safe operation of correcting a frame of an automobile in a short time and capable of effectively utilizing space. Is to do.

[0008]

In order to solve the above-mentioned problems, a body frame correcting machine according to the present invention comprises a plurality of pressurizing members for applying pressure to a body frame inside a frame in which the body frame can be inserted. And a pressure device. With such a configuration, it is possible to load the deformed body frame into the inside of the frame-shaped body and apply pressure to the body frame with a plurality of pressurizing devices to correct the deformed portion.

According to the body frame correcting machine of the present invention, the body frame is inserted into the inside of the frame-shaped body and is corrected while being pressed by a plurality of pressurizing devices. There is no need to pull or pull, and the correction work can be performed safely in a short time. Further, since the deformed portion of the body frame is directly pressed and corrected, the springback is extremely small, and accurate correction can be performed even by a non-skilled person. Furthermore, since the body frame can be repaired only inside the frame,
It is also possible to make effective use of space.

[0010] The frame-like body has at least three floors and two sides.
It is desirable to have a box structure in which three surfaces, that is, three surfaces, a ceiling surface and both side surfaces, or four surfaces, a floor surface, a ceiling surface, and both side surfaces, are enclosed. These boxes may be connected to each other.
Further, the frame body can be formed by three-dimensionally combining steel materials such as an H-shaped steel, an I-shaped steel, and an L-shaped steel. Also,
As the pressurizing device, an oil cylinder or an air cylinder that expands and contracts by hydraulic pressure or air pressure, a jack that expands and contracts by a screw mechanism, or the like can be used. In this case, the base portion of the pressurizing device abuts or engages with a part of the frame-shaped body, and the operating portion of the pressurizing device is structured to be able to abut on the body frame to be corrected. The reaction force at the time of operation of the pressure device is supported by the frame, and the body frame can be pressed and corrected. In addition, it is desirable to provide three or more pressing devices so that the correcting operation can be performed while simultaneously pressing three different portions of the deformed body frame.

Further, if a mechanism for attaching and detaching an engagement attachment having a shape to be in close contact with or to engage with a part of the vehicle body frame is provided at the operating portion of the pressure device, the engagement attachment can be connected to the pressure device as required. By attaching to the vehicle body, the engagement attachment can be securely engaged with the vehicle body frame to perform pressurization and correction, thereby improving workability, safety, work accuracy, and the like. Further, if a mechanism for attaching and detaching the extension attachment is provided on the operating portion of the pressurizing device, the extension attachment is attached to the pressurizing device as necessary, so that the deformed portion of the vehicle body frame is operated by the operating portion of the pressurizing device. Pressing and correcting work can be performed even at a position distant from the camera.

By providing the above-mentioned pressurizing device on the floor surface, inner side surface and ceiling surface of the frame-shaped body, it is possible to pressurize from three different directions. The modified vehicle frame can be easily corrected.

[0013] Further, the pressurizing device is structured to be engaged with a holding member hanging down from the ceiling surface of the frame-shaped body so that the deformed portion of the vehicle body frame is positioned at a position away from the ceiling surface of the frame-shaped body. The pressure correction operation can be performed even in the case of

In this case, by making the holding member extendable, oscillating, and rotatable, the pressing position and the pressing direction can be arbitrarily determined. Apply pressure from the appropriate position and direction corresponding to
Correct correction work can be performed.

Further, by providing a reaction force supporting member for supporting the reaction force of the pressurizing device on the inner surface of the frame, strong pressurization can be performed even at a position distant from the inner surface of the frame. Since it becomes possible, the work of correcting a greatly deformed body frame is also facilitated.

By forming the reaction force supporting member to be movable in the direction of the inner surface of the frame, the reaction force of the pressing device is supported at an arbitrary position on the inner surface according to the position of the pressing device. It becomes possible.

Then, the pressurizing device and the holding member can be moved in the floor direction, the side surface direction, and the ceiling direction of the frame-shaped body, thereby performing a correcting operation corresponding to the size of the body frame. This makes it possible to easily correct the deformed portion of the vehicle body frame at any position inside the frame.

By using an oil cylinder that expands and contracts by hydraulic pressure as the pressurizing device, it is possible to operate the pressurizing device only with an oil pump without performing a large-scale facility construction or the like. Since the pressing device can be operated equally to perform the correction while uniformly pressing the deformed portion of the body frame, the correction accuracy is also excellent. Also, it is relatively easy to increase or decrease the number of pressurizing devices installed.

Further, by providing a frame holding member for mounting the body frame on the floor surface of the frame, the setting of the body frame becomes easy, and the body frame can be stably held even during the repair work. So
Correction accuracy is improved.

By enabling the frame holding member to move up and down, it is possible to hold the vehicle body frame accurately in accordance with the size and deformation state of the body frame. Can be held.

Further, by making the frame holding member movable in the direction of the floor surface, it becomes possible to hold the frame in accordance with the size and deformation state of the body frame. Further, it is possible to move the holding position as the correction work progresses, so that the workability is improved.

Further, by making the frame holding member detachable from the floor surface, the frame holding member can be detached from the frame when it is not necessary. Therefore, the inside of the frame can be effectively utilized.

By providing the wheels for moving the frame and the wheel driving device, the vehicle can run on its own, so that it can be moved to a work place and the body frame can be inserted into the frame. Work or movement to a storage area during non-operation is facilitated.

Further, by providing a wheel holding member for mounting a wheel of an automobile to be loaded in the frame-shaped body, the body frame can be held in a stable state, for example, when correcting a body frame deformed near the wheels. Becomes possible. In addition, when the vehicle is not in operation, the vehicle can be loaded into the frame and used as a garage, so that the space can be effectively utilized.

By making the wheel holding member detachable from the frame, the wheel holding member can be detached from the frame when it is not necessary. This can contribute to effective utilization of the inside of the frame.

[0026]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a perspective view of a vehicle body frame correcting machine according to an embodiment as viewed obliquely from the front, FIG. 2 is a perspective view of the vehicle body frame correcting machine viewed obliquely from the right side, and FIG. FIG. 4 is a perspective view showing the modification machine viewed from a diagonally right rear side, and FIG. 4 is a perspective view showing the body modification machine seen from a diagonally rear left direction.

The vehicle body frame correcting machine 10 of the present embodiment
The front frame 11 includes a front frame 11 and a rear frame 12. The front frame 11 has a structure in which a floor surface, left and right side surfaces, and a ceiling surface are surrounded by steel. And both left and right sides are formed of steel. Wheels 42 and 43 are provided at the corners of the front frame 11 and the rear frame 12. Since the front wheels 42 are driven by a motor (not shown), they can travel by themselves, and can be moved to any location as needed.

On the ceiling surface of the front frame 11, six ceiling cylinders 13 and nine hanging cylinders 14 are arranged.
Six floor cylinders 15 are arranged on the floor. As shown in FIGS. 5 and 6, the ceiling cylinder 13 is movable along the longitudinal direction of the two rails 16, and the hanging cylinder 14 is suspended from the three rails 18 via the lifting cylinders 17. , Lifting cylinder 1
7 is movable along the longitudinal direction of the rail 18.

The upper end of the lifting cylinder 17 is locked to the slide member 60 via the universal joint 58, and the hanging cylinder 14 is locked to the lower end of the lifting cylinder 17 via the support shaft 59. 14
Can move up and down, rotate, swing and tilt freely, and the pressing position and the pressing direction can be arbitrarily determined. Therefore, as described later, it is possible to perform an accurate correction work by applying pressure from an appropriate position and direction corresponding to the size and the deformed state of the deformed body frame 51.

As shown in FIGS. 7 and 8, the floor cylinder 15 can move along the longitudinal direction of two moving members 19, and the moving member 19 can move along the longitudinal direction of the rail 20. It is. Since the stoppers 21 are provided at both ends of the floor cylinder 15 and the moving member 19, when the pressing portion 22 is pressed, the floor cylinder 15 is locked at an arbitrary position on the moving member 19, 19
Is locked at an arbitrary position on the rail 20. When the pressing portion 22 is pressed again, the locked state is released, and the floor cylinder 15 and the moving member 19 become movable.

Horizontal reaction force members 30 are arranged inside the left and right side surfaces of the front frame-shaped body 11, respectively. The reaction force member 30 can be raised and lowered by the lifting cylinder 31 and can be locked at an arbitrary height. Reaction force member 30
Is for supporting the reaction force generated when the hanging cylinder 14 performs the pressure correcting operation.

On the left and right sides of the rear frame 12, two side cylinders 23 are respectively arranged, and the rails 2 are arranged on the floor.
Four moving members 25 that can move along the longitudinal direction are disposed. A frame holder 26 can be attached to an arbitrary position on the moving member 25. By rotating the handle 33 of the frame holder 26, the holder 34 can be moved up and down.

The side cylinder 23 can move up and down along a column 27, and the column 27 can move along the longitudinal direction of the rail 28. The lifting and lowering of the side cylinder 23 is performed by winding or unwinding the wire 29 with the manual winch 35, and the stopper 21 locks and releases at an arbitrary position. In addition, the manual winch 35 can be moved along the rail 36 together with the column 27.

As shown in FIG. 12, the ceiling cylinder 13, the hanging cylinder 14, the floor cylinder 15, and the side cylinder 23 have an oil cylinder 37 whose ram 38 expands and contracts by a hydraulic pressure generated by an oil pump 44. .
In the oil cylinder 37, an attachment 39 for extension of various lengths or various engagement attachments 40 and 41 having a shape matching a part of the body frame is attached to the tip screw portion of the ram 38 according to working conditions. can do. Note that the engagement attachment 40 has a planar shape capable of closely adhering to a plane portion of the vehicle body frame, and the engagement attachment 41 has an L-shape capable of engaging with a corner portion of the vehicle body frame.

The lifting cylinder 17 in which the hanging cylinder 14 is suspended and the lifting cylinder 31 for raising and lowering the reaction member 30 are also oil cylinders which extend and contract by hydraulic pressure generated by an oil pump 44.
Since the operating stroke is larger than that of
4 and the reaction member 30 can be moved up and down over a wide range.

The operation of each part of the body frame correcting machine 10 is performed by operating tools 45 to 48 provided on the front part. Since the operation tools 45 to 48 are connected to the extension cords 49 wound and stored on the reels 50, respectively.
The operator can move to necessary positions while holding the operation tools 45 to 48 in his / her hands, and can perform various operations while visually checking or the like.

Next, with reference to FIGS. 13 to 19, a correction operation by the vehicle body frame correction machine 10 will be described.

As shown in FIG. 13, the deformed body frame 51 is inserted from the rear frame 12 to the front frame 11, and
An engagement attachment 41 connected to each of the three side cylinders 23 via an extension attachment 39 is brought into contact with a deformed portion of the vehicle body frame 51. In this case, the height of the side cylinder 23 is adjusted by the manual winch 35, and the position in the front-rear direction is adjusted by moving the column 27. Further, an extension attachment 39 having an appropriate length according to the distance from the side cylinder 23 to the deformed portion of the body frame 51 is used.

As a result, the vehicle body frame 51 and the side cylinder 23 are in a state as shown in FIG. If necessary, the lower surface of the vehicle body frame 51 can be held by the frame holder 26 as shown in FIG.

In the state shown in FIG. 14, the three side cylinders 23 are operated to
By gradually applying pressure to the places, the deformed body frame 51 can be restored to its original shape. When the body frame 51 returns to the original linear state, the correction work is completed.

In the repair work using the body frame repair machine 10, the body frame 51 is
Since the pressure is corrected in step 3, it is not necessary to fix or pull the body frame 51 with a chain or the like. Therefore, it is easy to insert the body frame 51, take out the modified body frame 51, and so on. The repair work can be performed in a short time, and there is no danger of breaking the chain. Are better. Further, since the correction is performed while directly applying pressure to the deformed portion of the body frame 51, the springback is extremely small, and accurate correction can be performed even by a non-skilled person.

The ceiling cylinder 13 and the hanging cylinder 1
4. Since the floor cylinder 15, the frame holder 26, the reaction force member 30, and the like are movable, each of them can be properly corrected by setting them at appropriate positions according to the size and deformation state of the body frame 51. It can be performed.

The body frame corrector 10 has a width of about 3 m and a length of about 5 m, and requires less installation space than a conventional body frame corrector. Also, the front frame 1
Since the correction work can be performed only inside the first and rear frame-shaped members 12, the space can be effectively utilized. In addition, the body frame correcting machine 10 is 25
Since it is possible to perform a repair work on a body frame having a size of about t vehicles, the applicable range is relatively wide.

Next, referring to FIGS. 17 and 18, another modification operation using the vehicle body frame modification machine 10 will be described.

When the deformed portion of the body frame 52 extends over a wide range, the body frame 52 is repaired using not only the side cylinder 23 but also the hanging cylinder 14.
As shown in FIG. 17, the side cylinder 23 and the hanging cylinder 14 are respectively moved to appropriate positions according to the deformation state of the body frame 52, and the extension attachments 39 and the engagement attachments 40 and 41 of various lengths are mounted. Then, the attachments 40 and 41 for engagement are
2 to make contact with the deformed part. In this case, the hanging cylinder 1
In order to support the reaction force of No. 4, the engagement attachment 40a is brought into contact with the reaction force member 30.

In such a state, the side cylinder 2
The frame 52 can be restored to its original shape if the deformed portion is gradually pressurized by operating the 3 and the hanging cylinder 14. If there is a possibility that the vehicle body frame 52 will be depressed inward due to the pressurization, one of the hanging cylinders 14 is positioned inside the vehicle body frame 52, and the extension attachment 39 or the engagement attachment 40 is used. Is supported from the inside to prevent deformation.

Next, another modification operation using the vehicle body frame modification machine 10 will be described with reference to FIG.

When the vehicle body frame 53 is deformed in the vertical direction, the vehicle body frame 53 is inserted into the front frame body 11 of the vehicle body frame correcting machine 10 and the floor cylinder 15 and the ceiling cylinder 13 are used. The vehicle body frame 53 is repaired.

The floor cylinder 15 and the ceiling cylinder 13 are respectively moved to appropriate positions according to the deformation state of the body frame 53, and if necessary, the extension attachment 39 and the engagement attachment 40 are mounted. The engagement attachment 40 is brought into contact with the deformed portion 53.

Then, by operating the floor cylinder 15 and the ceiling cylinder 13 and gradually applying pressure to the deformed portion, the body frame 53 can be restored to its original shape. As described above, by pressing the deformed portion of the vehicle body frame 53 using the floor cylinder 15 and the ceiling cylinder 13, the work of correcting the vertically deformed frame 53 can be easily performed.

When correcting a vehicle body frame in which the vertical deformation and the horizontal deformation coexist, see FIGS.
19 and the correction work shown in FIG. 19 are appropriately combined and executed to restore the original shape.

Next, another use state of the body frame modifying machine 10 will be described with reference to FIGS.

When the body frame modifying machine 10 is not operated, as shown in FIG. 20, the wheel holding members 54 are mounted on the floor surfaces of the front frame 11 and the rear frame 12 to obtain a diagram. As shown in FIG. 21, the vehicle body frame modifying machine 10 can be used as a garage of the passenger car 55 or the like. Also, the body frame modifying machine 10 has wheels 42, 4
3 and can be moved even when the passenger car 55 is loaded, which is excellent in convenience.

The wheel holding member 54 can be detachably attached to a locking portion 57 provided on the side surface of the rails 20, 24. When the body frame correcting machine 10 is used as a garage, the passenger car 55 can be safely and smoothly put in and out by disposing the inclined member 56 near the rail 24.

When the repair work is performed by the body frame correcting machine 10, if it is necessary to support wheels or the like mounted on the deformed body frame, the wheels are mounted on the wheel holding members 54 previously mounted on the floor. It is also possible to perform the correction work in a state where the correction is performed.

[0056]

According to the present invention, the following effects can be obtained.

(1) By providing a plurality of pressurizing devices for applying pressure to the body frame inside the frame body into which the body frame can be inserted, the deformed body frame can be placed inside the frame body. It is possible to correct the deformed portion while charging and applying pressure to the body frame with a plurality of pressurizing devices. Since there is no need to fix or pull the body frame with a chain or the like, the correction work can be performed quickly and safely. Also, since the deformed part of the body frame is directly pressurized and corrected, springback is extremely small,
Accurate corrections can be made even by non-experts. Further, since the correction work can be performed only inside the frame, the space can be effectively used.

(2) By providing the pressurizing device on the floor surface, inner side surface, and ceiling surface of the frame-shaped body, it is possible to pressurize from a plurality of different directions. The modified body frame can be easily corrected.

(3) The structure in which the pressurizing device is engaged with the holding member hanging down from the ceiling surface of the frame-shaped body allows the deformed portion of the vehicle body frame to be located at a position away from the ceiling surface of the frame-shaped body. Even in this case, the pressure correction work can be performed.

(4) By allowing the holding member to expand, contract, swing and rotate, it is possible to arbitrarily determine the pressing position and the pressing direction. It is possible to perform accurate correction work by applying pressure from the appropriate position and direction.

(5) By providing a reaction force supporting member for supporting the reaction force of the pressurizing device on the inner surface of the frame, strong pressurization can be performed even at a position distant from the inner surface of the frame. Since it becomes possible, the work of correcting a greatly deformed body frame is also facilitated.

(6) Since the reaction force supporting member is structured to be movable in the direction of the inner side surface of the frame, the reaction force support member can be moved at an arbitrary position on the inner peripheral surface according to the position of the pressure device. It is possible to support power.

(7) Correction work corresponding to the size of the vehicle body frame is performed by enabling the pressing device and the holding member to move in the floor surface direction, the side surface direction, and the ceiling surface direction of the frame. This makes it possible to easily correct the deformed portion of the vehicle body frame at any position inside the frame.

(8) By using an oil cylinder that expands and contracts by hydraulic pressure as the pressurizing device, it is possible to operate the pressurizing device only with an oil pump without performing large-scale facility work. In addition, since a plurality of pressurizing devices can be operated equally to perform the correction while uniformly pressing the deformed portion of the vehicle body frame, the correction accuracy is excellent. Further, it is relatively easy to increase or decrease the number of pressurizing devices installed.

(9) By providing a frame holding member for mounting the body frame on the floor of the frame, the setting of the body frame becomes easy, and the body frame can be stably held even during the repair work. Therefore, the correction accuracy is improved.

(10) Since the frame holding member can be raised and lowered, it is possible to hold the vehicle body frame in accordance with the size and the deformation state of the body frame, and the height of the body frame is adjusted to a height suitable for the pressure correction work. Can be held.

(11) By making the frame holding member movable in the direction of the floor surface, it becomes possible to hold the vehicle body frame accurately in accordance with the size and deformation state of the body frame. In addition, the holding position can be moved as the correction work progresses, so that the workability is improved.

(12) By making the frame holding member detachable from the floor surface, the frame holding member can be detached from the frame when it is not necessary. In addition, the inside of the frame can be effectively used.

(13) By providing wheels for moving the frame and its driving device, it becomes possible to move on its own, so that it can be moved to a work place, a work for loading the body frame into the frame, or It becomes easy to move to the storage place when not in operation.

(14) By providing a wheel holding member for mounting a wheel of an automobile to be inserted into the frame-shaped body, the body frame is held in a stable state, for example, when correcting a body frame deformed near the wheels. It becomes possible.
In addition, during non-operation, an automobile can be inserted into the frame and used as a garage, so that the space can be effectively utilized.

(15) By making the wheel holding member detachable from the frame, the wheel holding member can be detached from the frame when it is not necessary. Therefore, it can contribute to effective utilization of the inside of the frame.

[Brief description of the drawings]

FIG. 1 is a perspective view of a vehicle body frame correcting machine according to an embodiment as viewed from an oblique front direction.

FIG. 2 is a perspective view showing the vehicle body frame modifying machine shown in FIG. 1 as viewed obliquely from the right side.

FIG. 3 is a perspective view showing the vehicle body frame correcting machine shown in FIG. 1 as viewed from a diagonally right rear direction.

FIG. 4 is a perspective view showing the vehicle body frame correcting machine shown in FIG. 1 when viewed from an oblique left rear direction.

FIG. 5 is a perspective view showing a ceiling portion of the vehicle body frame modifying machine shown in FIG. 1;

FIG. 6 is a perspective view showing the vicinity of a ceiling cylinder.

FIG. 7 is a perspective view showing the vicinity of a floor cylinder and a side cylinder.

FIG. 8 is a perspective view showing the vicinity of a floor cylinder.

FIG. 9 is a perspective view showing the vicinity of a moving wheel and a side cylinder.

FIG. 10 is a perspective view showing a left side portion of the vehicle body frame correcting machine shown in FIG. 1;

FIG. 11 is a perspective view showing a left rear portion of the vehicle body frame modifying machine shown in FIG. 1;

FIG. 12 is a side view showing an oil cylinder mounted on the vehicle body frame correcting machine shown in FIG. 1;

FIG. 13 is a perspective view showing a correction operation by the vehicle body frame correction machine shown in FIG. 1;

FIG. 14 is an explanatory plan view showing a correction operation by the vehicle body frame correction machine shown in FIG. 1;

FIG. 15 is an explanatory view in cross section along line AA in FIG. 14;

FIG. 16 is an explanatory view in vertical section showing a state where the vehicle body frame is held by the frame holding member.

17 is an explanatory plan view showing another modification work by the vehicle body frame modifying machine shown in FIG. 1;

18 is an explanatory view in cross section taken along line BB in FIG. 17;

FIG. 19 is an explanatory side view showing another modification work by the vehicle body frame modifying machine shown in FIG. 1;

20 is a perspective view showing a state where a wheel holding member is mounted on the vehicle body frame correcting machine shown in FIG. 1;

FIG. 21 is a perspective view showing a state in which a passenger car is loaded into the vehicle body frame modifying machine shown in FIG. 1;

[Description of Signs] 10 Body frame correction machine 11 Front frame 12 Rear frame 13 Ceiling cylinder 14 Hanging cylinder 15 Floor cylinder 16, 18, 20, 24, 28, 36 Rail 17, 31 Elevating cylinder 19, Reference Signs List 25 moving member 21 stopper 22 pressing part 23 side cylinder 26 frame holder 27 support 29 wire 30 reaction force member 33 handle 34 holding part 35 manual winch 37 oil cylinder 38 ram 39 extension attachment 40, 40a, 41 engagement attachment 42, 43 wheel 44 oil pump 45, 46, 47, 48 operating device 49 extension cord 50 reel 51, 52, 53 body frame 54 wheel holding member 55 passenger car 56 inclined member 57 locking portion 58 universal joint 59 support shaft 60 sliding portion

Claims (15)

[Claims] 1. A body frame correcting machine including a plurality of pressurizing devices for applying pressure to the body frame inside a frame body into which the body frame can be inserted. 2. The body frame correcting machine according to claim 1, wherein the pressurizing device is provided on a floor surface, an inner surface, and a ceiling surface of the frame-shaped body. 3. The vehicle body frame correcting machine according to claim 1, wherein said pressurizing device is locked to a holding member hanging down from a ceiling surface of said frame-shaped body. 4. The body frame correcting machine according to claim 3, wherein the holding member is capable of expanding, contracting, swinging, and rotating. 5. The body frame modifying machine according to claim 3, wherein a reaction force supporting member for supporting a reaction force of the pressurizing device is provided on an inner surface of the frame. 6. The body frame correcting machine according to claim 5, wherein the reaction force supporting member is movable in the direction of the inner side surface. 7. The method according to claim 1, wherein the pressing device and the holding member are movable in a direction of a floor surface, a side surface, and a ceiling of the frame. Body frame correction machine. 8. The vehicle body frame correcting machine according to claim 1, wherein said pressurizing device is an oil cylinder which expands and contracts by hydraulic pressure. 9. A frame holding member for mounting the vehicle body frame on a floor surface of the frame-like body.
The body frame correcting machine according to any one of the above. 10. The body frame modifying machine according to claim 9, wherein said frame holding member is movable up and down. 11. The body frame correcting machine according to claim 9, wherein the frame holding member is movable in the direction of the floor surface. 12. The body frame correcting machine according to claim 9, wherein said frame holding member is detachable from said floor surface. 13. The body frame modifying machine according to claim 1, further comprising a wheel for moving said frame-shaped body, and a driving device for said wheel. 14. The body frame correcting machine according to claim 1, further comprising a wheel holding member for mounting a wheel of an automobile to be inserted into the frame. 15. The body frame correcting machine according to claim 14, wherein the wheel holding member is detachable from the frame.