CN215236916U

CN215236916U - Walking mechanism for shape correction of passenger car frame

Info

Publication number: CN215236916U
Application number: CN202121343768.0U
Authority: CN
Inventors: 孙刚; 蔡爱林; 孟亮; 陈东扬
Original assignee: Jiangsu Weima Yueda Intelligent Equipment Co ltd
Current assignee: Jiangsu Weima Yueda Intelligent Equipment Co ltd
Priority date: 2021-06-17
Filing date: 2021-06-17
Publication date: 2021-12-21
Anticipated expiration: 2031-06-17

Abstract

The utility model relates to a car frame orthopedic equipment technical field, concretely relates to is used for orthopedic running gear of passenger car frame. Including stand, bottom plate, base, be equipped with a plurality of sliders through the connecting rod on the bottom plate, spout sliding fit on slider and the base, the slider bottom is equipped with a gyro wheel, rotates the relative position of connecting rod adjustable slide and bottom plate, when the slider whereabouts, the gyro wheel can fall in the spout bottom, and slider and connecting rod prop up the bottom plate, equipment alright in order to push away the roll, when the fast rebound of sliding, the upper surface and the spout contact of slider, the connecting rod plays the effect of fastening, and running gear is in the dead lock state this moment, can bear great load, guarantees the stability of equipment, the utility model has the advantages of remove steadily, the moving resistance is little, can lock.

Description

Walking mechanism for shape correction of passenger car frame

Technical Field

The utility model relates to a car frame orthopedic equipment technical field, concretely relates to is used for orthopedic running gear of passenger car frame.

Background

The chassis of the passenger car is formed by welding and assembling a plurality of sectional materials, errors in the aspects of size, flatness and the like are inevitably generated in the welding process, and the chassis needs to be shaped by special shape-correcting equipment. The gate-type orthopedic support for orthopedic needs to move stably on the base in a long distance, and needs to bear upward and downward loads in the working process, so that a T-shaped sliding groove is generally formed in the base, the gate-type orthopedic support slides in the T-shaped sliding groove through a T-shaped sliding block, the moving stability is guaranteed, and the loads in the upper direction and the lower direction can be borne.

SUMMERY OF THE UTILITY MODEL

The utility model provides a problem be: the gate-shaped orthopedic support in the automobile frame orthopedic equipment in the prior art has large moving resistance and is practical and inconvenient, and the walking mechanism for the passenger automobile frame orthopedic, which has stable moving and small resistance, is provided.

The utility model is realized by the following technical proposal, a walking mechanism for correcting the frame of the passenger car comprises a vertical column, a bottom plate and a base, wherein the vertical column is arranged on the bottom plate, the bottom of the bottom plate is connected with a plurality of sliders, the sliders are arranged into two parallel rows at least, at least one row of sliders is not less than two, the sliders are provided with at least one roller, the revolving shaft of the roller is vertical to the moving direction of the sliders, the excircle of the roller is lower than the bottom surface of the sliders, the base is provided with a plurality of through long chutes at the position opposite to the sliders, the sliders are arranged in the chutes, the cross section shape of the sliders is basically consistent with the cross section shape of the chutes, the bottom of the chutes is a plane, the sliders are in clearance fit with the chutes in the left and right directions, a clearance is reserved in the up-down moving direction, and the clearance is larger than the distance from the excircle of the rollers to the bottom surface of the sliders, the cross-section of spout is equipped with the fender shoulder of a restriction slider rebound at least, connect through the connecting rod between bottom plate and the slider, the both ends of connecting rod are connected with slider and bottom plate respectively, and wherein one end is connected through threaded engagement, and the other end is the restricted rotation connection of connecting rod axial direction removal.

In the scheme, a bottom plate is connected with a sliding block through a connecting rod, one end of the connecting rod is connected with the sliding block through threaded meshing, the other end of the connecting rod is connected with the connecting rod in a rotating mode, the axial direction of the connecting rod is limited in moving, when the connecting rod is rotated, the distance between the sliding block and the bottom plate can be adjusted, the sliding block is installed in a sliding groove of a base, at least one roller is arranged on the sliding block, when the connecting rod is rotated, the distance between the sliding block and the bottom plate is reduced, the sliding block moves upwards in the sliding groove, the upper surface of the sliding block is contacted with the sliding groove, the connecting rod plays a fastening role, the walking mechanism is in a locking state at the moment, no matter the orthopedic support receives an upward or downward load, the bottom plate can be stably fixed on the base, when the connecting rod is rotated reversely, the distance between the sliding block and the bottom plate is increased, the roller is contacted with the bottom of the sliding groove, and the connecting rod lifts the bottom plate away from the base, at the moment, the bottom plate is completely supported by the connecting rod, the bottom plate is pushed to move along the direction of the sliding groove, the sliding groove plays a guiding role for the sliding block, the roller rotates to drive the whole body to move, and compared with pure sliding, the rolling moving mode has smaller resistance and is more convenient to use.

Further, the lower half part of the connecting rod is of a threaded structure, a threaded hole is formed in the sliding block, the connecting rod and the sliding block are connected through threads, the upper half part of the connecting rod is in a stepped shaft shape and is rotatably connected with the bottom plate, and the connecting rod is provided with a limiting surface for limiting the connecting rod to move up and down.

Further, the upper half part of the connecting rod is of a threaded structure, a threaded hole is formed in the bottom plate, the connecting rod is connected with the bottom plate through threads, the lower half part of the connecting rod is in a stepped shaft shape and is rotatably connected with the sliding block, and the sliding block is provided with a limiting surface which limits the connecting rod to move up and down.

Furthermore, the slider is T type slider, the spout is T type groove, is the spout slider model commonly used, makes things convenient for type selection and production and processing.

Further, in order to ensure the stability of the bottom plate, the bottom plate is square, the number of the sliding blocks is at least four, the sliding blocks are positioned at four corners of the bottom, and the number of the sliding grooves is two.

Further, the distance from the excircle of the roller to the sliding block is greater than 0.5 mm.

Furthermore, in order to rotate the connecting rod conveniently, the upper end of the connecting rod is fixedly connected with a rocking handle or a hand wheel or the upper end of the connecting rod is in a standard hexagonal head shape.

The utility model has the advantages that:

1. the utility model discloses the bottom plate is connected through the connecting rod with the slider, connecting rod one end is connected through threaded engagement, the other end is the restricted rotation connection of connecting rod axial direction removal, when rotating the connecting rod, can adjust the distance between slider and the bottom plate, and the slider is installed in the spout of base, still is equipped with at least one gyro wheel on the slider, when rotating the connecting rod, when reducing the distance between slider and the bottom plate, the slider moves upwards in the spout, the upper surface and the spout contact of slider, the connecting rod plays the effect of fastening, this moment running gear is in the locking state, no matter orthopedic support receives upwards or downwards load, the bottom plate all can be stably fixed on the base, and when the connecting rod is rotated in the reverse direction, when increasing the distance between slider and the bottom plate, the slider falls in the spout, the gyro wheel contacts with the spout bottom, the connecting rod lifts the bottom plate and leaves the base, at the moment, the bottom plate is completely supported by the connecting rod, the bottom plate is pushed to move along the direction of the sliding groove, the sliding groove plays a guiding role for the sliding block, the roller rotates to drive the whole body to move, and compared with pure sliding, the rolling moving mode has smaller resistance and is more convenient to use.

Drawings

Fig. 1 is a schematic structural view of a traveling mechanism according to the present invention;

fig. 2 is a front view of the traveling mechanism of the present invention;

FIG. 3 is a partial enlarged view of FIG. 2 at I (embodiment I);

FIG. 4 is a partial enlarged view of the portion I in FIG. 2 (embodiment II);

in the figure: 1, upright column; 2, a bottom plate; 3, a base; 4, a sliding block; 5, a chute; 6, rolling wheels; 7 connecting the rods.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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.

As shown in fig. 1-3, in a first embodiment, a walking mechanism for straightening a frame of a passenger vehicle comprises an upright post 1, a base plate 2, and a base 3, wherein the upright post 1 is installed on the base plate 2, a plurality of sliding blocks 4 are connected to the bottom of the base plate 2, the sliding blocks 4 are arranged in at least two parallel rows, the number of the sliding blocks 4 in at least one row is not less than two, at least one roller 6 is arranged on each sliding block 4, the rotating shaft of each roller 6 is perpendicular to the moving direction of the sliding block 4, the outer circle of each roller 6 is lower than the bottom surface of each sliding block 4, a plurality of through sliding grooves 5 are arranged on the base 3 opposite to the sliding blocks 4, the sliding blocks 4 are installed in the sliding grooves 5, the cross-sectional shapes of the sliding blocks 4 and the cross-sectional shapes of the sliding grooves 5 are substantially identical, the bottoms of the sliding grooves 5 are planar, the sliding blocks 4 are in clearance fit with the sliding grooves 5 in the left-right direction and the left-right direction, and the vertical direction, this clearance is greater than the distance of 6 excircles of gyro wheel to 4 basal surfaces of slider, the cross-section of spout 5 is equipped with the fender shoulder of a restriction slider 4 rebound at least, connect through connecting rod 7 between bottom plate 2 and the

slider

4, 7 latter halves of connecting rod are the helicitic texture, be equipped with the screw hole on the slider 4, connecting rod 7 and slider 4 pass through threaded connection, 7 first one of connecting rod is the step shaft form, rotates with bottom plate 2 to be connected, connecting rod 7 is equipped with the spacing face that restriction connecting rod 7 reciprocated.

In practical application, the sliding block 4 is a T-shaped sliding block 4, the sliding groove 5 is a T-shaped groove, and the sliding groove sliding block is of a common sliding groove sliding block type, so that the type selection and the production and the processing are convenient.

In practical application, in order to ensure the stability of the bottom plate 2, the bottom plate 2 is square, the number of the sliding blocks 4 is at least four, the sliding blocks are positioned at four corners of the bottom, and the number of the sliding grooves 5 is two.

In practical application, the distance from the outer circle of the roller 6 to the sliding block 4 is more than 0.5 mm.

In practical application, in order to rotate the connecting rod 7 conveniently, the upper end of the connecting rod 7 is fixedly connected with a rocking handle or a hand wheel or the upper end of the connecting rod 7 is in a standard hexagonal head shape.

In the first embodiment, when the connecting rod 7 is rotated, the distance between the sliding block 4 and the bottom plate 2 can be adjusted, the sliding block 4 is installed in the sliding groove 5 of the base, at least one roller 6 is further arranged on the sliding block 4, when the connecting rod 7 is rotated to reduce the distance between the sliding block 4 and the bottom plate 2, the sliding block 4 moves upwards in the sliding groove 5, the upper surface of the sliding block 4 is contacted with the sliding groove 5, the connecting rod 7 plays a role in fastening, at the moment, the walking mechanism is in a locked state, the bottom plate 2 can be stably fixed on the base 3 no matter the orthopedic support receives an upward or downward load, when the connecting rod 7 is rotated reversely to increase the distance between the sliding block 4 and the bottom plate 2, the sliding block 4 falls in the sliding groove 5, the roller 6 is contacted with the bottom of the sliding groove 5, the connecting rod 7 lifts the bottom plate 2 away from the base 3, at the moment, the bottom plate 2 is completely supported by the connecting rod 7, and pushes the bottom plate 2 to move along the sliding groove 5, the sliding groove 5 plays a guiding role for the sliding block 4, the roller 6 rotates to drive the whole body to move, and compared with pure sliding, the rolling moving mode has smaller resistance and more convenient use.

As shown in fig. 4, the second embodiment is different from the first embodiment in that the upper half portion of the connecting rod 7 is in a threaded structure, the bottom plate 2 is provided with a threaded hole, the connecting rod 7 is in threaded connection with the bottom plate 2, the lower half portion of the connecting rod 7 is in a stepped shaft shape and is rotatably connected with the slider 4, and the slider 4 has a limiting surface for limiting the up-and-down movement of the connecting rod 7.

The utility model discloses a theory of operation:

the utility model can adjust the distance between the slider 4 and the bottom plate 2 by rotating the connecting rod 7, the slider 4 is arranged in the chute 5 of the base, at least one roller 6 is arranged on the slider 4, when the connecting rod 7 is rotated to reduce the distance between the slider 4 and the bottom plate 2, the slider 4 moves upwards in the chute 5, the upper surface of the slider 4 contacts with the chute 5, the connecting rod 7 plays a role of fastening, at the moment, the running gear is in a locking state, no matter the orthopedic support receives an upward or downward load, the bottom plate 2 can be stably fixed on the base 3, when the connecting rod 7 is rotated reversely, the distance between the slider 4 and the bottom plate 2 is increased, the slider 4 falls down in the chute 5, the roller 6 contacts with the bottom of the chute 5, the connecting rod 7 lifts the bottom plate 2 to leave the base 3, at the moment, the bottom plate 2 is completely supported by the connecting rod 7, the bottom plate 2 is pushed to move along the direction of the chute 5, the sliding groove 5 plays a guiding role for the sliding block 4, the roller 6 rotates to drive the whole body to move, and compared with pure sliding, the rolling moving mode has smaller resistance and more convenient use.

To sum up, a be used for orthopedic running gear of passenger car frame have and remove steadily, the removal resistance is little, the advantage that can lock.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It should be understood by those skilled in the art that the foregoing embodiments are merely illustrative of the technical concepts and features of the present invention, and the purpose of the present invention is to provide a person skilled in the art with the ability to understand the contents of the present invention and implement the same, and not to limit the scope of the present invention.

Claims

1. A walking mechanism for shape correction of a passenger car frame is characterized in that: the novel sliding block device comprises a stand column (1), a bottom plate (2) and a base (3), wherein the stand column (1) is installed on the bottom plate (2), a plurality of sliding blocks (4) are connected to the bottom of the bottom plate (2), the sliding blocks (4) are at least arranged in two parallel rows, the number of at least one row of sliding blocks (4) is not less than two, at least one roller (6) is arranged on each sliding block (4), a rotating shaft of each roller (6) is perpendicular to the moving direction of the corresponding sliding block (4), the outer circle of each roller (6) is lower than the bottom surface of the corresponding sliding block (4), a plurality of through long sliding grooves (5) are formed in the base (3) in the position opposite to the corresponding sliding block (4), the sliding blocks (4) are installed in the sliding grooves (5), the cross sectional shapes of the sliding blocks (4) are basically consistent with the cross sectional shapes of the sliding grooves (5), the bottoms of the sliding grooves (5) are planes, and the sliding blocks (4) are in clearance fit with the sliding grooves (5) in the left and right directions, the up-down moving direction leaves a gap which is larger than the distance from the excircle of the roller (6) to the bottom surface of the sliding block (4), the cross section of the sliding groove (5) is at least provided with a blocking shoulder for limiting the upward movement of the sliding block (4), the bottom plate (2) and the sliding block (4) are connected through a connecting rod (7), two ends of the connecting rod (7) are respectively connected with the sliding block (4) and the bottom plate (2), one end of the connecting rod is connected through thread engagement, and the other end of the connecting rod is rotationally connected with the connecting rod (7) in a way of limiting the axial direction movement.

2. A walking mechanism for passenger car frame orthopedic according to claim 1, characterized in that: the connecting rod (7) lower half is of a threaded structure, a threaded hole is formed in the slider (4), the connecting rod (7) and the slider (4) are connected through threads, the upper half of the connecting rod (7) is in a stepped shaft shape and is connected with the bottom plate (2) in a rotating mode, and the connecting rod (7) is provided with a limiting surface for limiting the connecting rod (7) to move up and down.

3. A walking mechanism for passenger car frame orthopedic according to claim 1, characterized in that: the upper half part of connecting rod (7) is helicitic texture, be equipped with the screw hole on bottom plate (2), connecting rod (7) and bottom plate (2) pass through threaded connection, connecting rod (7) lower half is the step shaft form, rotates with slider (4) and connects, slider (4) have the spacing face that restriction connecting rod (7) reciprocated.

4. A walking mechanism for passenger car frame shape righting according to any one of claims 1-3, characterized in that: the slider (4) is a T-shaped slider (4), and the sliding groove (5) is a T-shaped groove.

5. A walking mechanism for passenger car frame shape righting according to any one of claims 1-3, characterized in that: the bottom plate (2) is square, the number of the sliding blocks (4) is at least four, the sliding blocks are positioned at four corners of the bottom, and the number of the sliding grooves (5) is two.

6. A walking mechanism for passenger car frame shape righting according to any one of claims 1-3, characterized in that: the distance from the excircle of the roller (6) to the sliding block (4) is greater than 0.5 mm.

7. A walking mechanism for passenger car frame shape righting according to any one of claims 1-3, characterized in that: the upper end of the connecting rod (7) is fixedly connected with a rocking handle or a hand wheel or the upper end of the connecting rod (7) is in a standard hexagonal head shape.