CN110744238A - Second-order flexible clamp and second-order flexible clamp applied to second-order stepping framework - Google Patents

Abstract

The invention provides a second-order flexible clamp and a second-order flexible clamp applied to a second-order stepping framework, wherein the second-order flexible clamp comprises a first base, a second base, a first assembly and a second assembly; the first assembly is arranged on the first base and connected with the first base, and the second assembly is arranged on the second base and connected with the first assembly; the first assembly is provided with a first clamping piece and a second clamping piece; the first clamping piece is connected with the first assembly along the second direction; the first direction and the second direction are separated by a certain angle; the first clamping piece clamps the first clamping object, and the second clamping piece clamps the second clamping object; and a third clamping piece and a fourth clamping piece are arranged on the second base, the third clamping piece clamps the third clamping object, and the fourth clamping piece clamps the fourth clamping object. By applying the technical scheme, the second-order stepping framework with the clamp suitable for various arrangement modes can be realized.

Description

Second-order flexible clamp and second-order flexible clamp applied to second-order stepping framework

Technical Field

The invention relates to the field of automobile frameworks, in particular to a second-order flexible clamp and a second-order flexible clamp applied to a second-order stepping framework.

Background

The passenger car framework comprises a second-order stepping framework, the arrangement mode of the existing second-order stepping framework is more than hundreds, when the stepping framework is welded, the clamp in the prior art is fixed, namely, the stepping framework in an arrangement mode needs a clamp, the practicability of the clamp is low, and the abuse of resources is caused.

Disclosure of Invention

The invention aims to provide a second-order flexible clamp and a second-order flexible clamp applied to a second-order stepping framework, and the purpose that the clamp is suitable for the second-order stepping framework with various arrangement modes is achieved.

In order to solve the technical problem, the invention provides a second-order flexible clamp, which comprises a first base, a second base, a first assembly and a second assembly; the first assembly is arranged on the first base and is in sliding connection with the first base along a first direction, and the second assembly is arranged on the second base and is in sliding connection with the first assembly along the length direction of the first assembly;

the first assembly is provided with a first clamping piece and a second clamping piece; the first clamping piece is connected with the first assembly in a sliding mode along a second direction; the first direction and the second direction are separated by a certain angle; the first clamping piece clamps a first clamp with the length arranged along a first direction, and the second clamping piece clamps a second clamp with the length arranged along a second direction;

a third clamping piece and a fourth clamping piece are arranged on the second base, the third clamping piece clamps a third object clamp with the length arranged along a third direction, and the fourth clamping piece clamps a fourth object clamp with the length arranged along a fourth direction; a certain angle is arranged between the third direction and the fourth direction;

an angle is arranged between a plane formed by the first direction and the second direction and a plane formed by the third direction and the fourth direction.

In a preferred embodiment, two opposite sides of the first base are provided with first guide rails along a first direction, two ends of the first assembly are provided with first sliding parts, and the first sliding parts are connected with the first guide rails in a sliding manner along the first direction; the first assembly is specifically a second guide rail, and the first clamping piece is provided with a second sliding piece for being in sliding connection with the second guide rail along a second direction.

In a preferred embodiment, the first and second sliding members have a first sliding cavity and a second sliding cavity, respectively, and the first and second guide rails slide in the first and second sliding cavities, respectively; a first guide rail matching piece and a second guide rail matching piece are respectively arranged in the first sliding cavity and the second sliding cavity, the first guide rail matching piece is used for matching with the first guide rail to slide, and the second guide rail matching piece is used for matching with the second guide rail to slide;

the inside wall of first guide rail fitting piece and second guide rail fitting piece is provided with the sand grip along first direction and second direction respectively, the outside wall of first guide rail and second guide rail is provided with long concave part along first direction and second direction respectively, the sand grip butt the bottom of long concave part, and follow the length direction of long concave part removes, thereby makes first guide rail fitting piece and second guide rail fitting piece respectively with first guide rail and second guide rail cooperation slide.

In a preferred embodiment, a side wall of the first sliding cavity is provided with a first screw hole, and a first screw is inserted into the first screw hole; when the first sliding part slides on the first guide rail, the first screw and the first screw hole are not locked, when the first screw and the first screw hole are locked, one end of the first screw props against the outer side wall of the first guide rail, and the first sliding part is limited on the first guide rail along a first direction;

the second sliding part is composed of a sliding groove and a mounting plate; the sliding groove and the mounting plate are fixedly connected in the vertical direction to form the second sliding cavity; the mounting plate is used for mounting the first clamping piece; a second screw hole penetrating through the side wall of the sliding groove is formed in the vertical direction, and a second screw is inserted into the second screw hole; when the second sliding part slides on the second guide rail, the second screw is not locked with the second screw hole, and when the second screw is locked with the second screw hole, one end of the second screw abuts against the lower bottom surface of the mounting plate, so that the sliding groove and the mounting plate clamp the second guide rail from the lower part and the upper part respectively, and the second sliding part is limited on the second guide rail along the second direction.

In a preferred embodiment, the first clamping piece is further fixedly connected with a first placing table; the first placing table is used for placing first clamping objects arranged along a first direction, and two sides of the first placing table extend upwards for a certain distance to form a first limiting side wall so that the first clamping objects are limited in a second direction;

the mounting plate is also provided with an extension strip, and one end of the extension strip, which is far away from the mounting plate, is fixedly connected with the second clamping piece and the second placing table; the second placing table is used for placing second clamping objects arranged along a second direction, and two sides of the second placing table extend upwards for a certain distance to form second limiting side walls, so that the second clamping objects are limited in the first direction.

In a preferred embodiment, the second component is specifically a third guide rail, a sliding groove is fixed at one end of the second guide rail, which is slidably connected with the third guide rail, and the third guide rail is arranged in the sliding groove to slide.

In a preferred embodiment, a fourth guide rail is disposed on the second base, and the third clamping member and the fourth clamping member are both disposed on the fourth guide rail and slidably connected to the fourth guide rail; a third sliding part and a fourth sliding part are respectively arranged on the third clamping part and the fourth clamping part; and the third sliding part and the fourth sliding part are both connected with the fourth guide rail in a sliding manner along a third direction.

In a preferred embodiment, the third and fourth sliders have a third sliding cavity and a fourth sliding cavity, respectively, and the fourth guide rail slides in the third sliding cavity and the fourth sliding cavity; the third sliding cavity and the fourth sliding cavity are respectively provided with a third guide rail fitting piece and a fourth guide rail fitting piece, and the third guide rail fitting piece and the fourth guide rail fitting piece are used for sliding in a matched manner with the fourth guide rail.

In a preferred embodiment, the first clamping member, the second clamping member, the third clamping member and the fourth clamping member respectively include a first connecting member, a second connecting member, a third connecting member and a fourth connecting member arranged along the horizontal direction, and a first abutting member, a second abutting member, a third abutting member and a fourth abutting member arranged along the vertical direction; the first abutting piece, the second abutting piece, the third abutting piece and the fourth abutting piece are respectively used for abutting against the first object clamp, the second object clamp, the third object clamp and the fourth object clamp;

one end of each of the first connecting piece, the second connecting piece, the third connecting piece and the fourth connecting piece is connected with the first abutting piece, the second abutting piece, the third abutting piece and the fourth abutting piece respectively, the other end of each of the first connecting piece, the second connecting piece, the third connecting piece and the fourth connecting piece is connected with the first cylinder, the second cylinder, the third cylinder and the fourth cylinder respectively, the first cylinder, the second cylinder, the third cylinder and the fourth cylinder drive the first connecting piece, the second connecting piece, the third connecting piece and the fourth connecting piece to move up and down respectively, so that the first abutting piece, the second abutting piece, the third abutting piece and the fourth abutting piece also move up and down respectively, and the first abutting piece, the second abutting piece, the third abutting piece and the fourth abutting piece move down to abut against the first clamping object, the second clamping object, the third clamping object and the fourth clamping object respectively, thereby fixing the first clamping object, A second clamp, a third clamp and a fourth clamp.

The invention also provides a second-order flexible clamp applied to the second-order stepping framework, the second-order flexible clamp is adopted, the first direction and the second direction are vertical to each other, the third direction and the fourth direction are vertical to each other, and a plane formed by the first direction and the second direction is vertical to a plane formed by the third direction and the fourth direction;

the first clamping object, the second clamping object, the third clamping object and the fourth clamping object are metal tubes; the first clamping objects are parallel to each other, the second clamping objects are parallel to each other, the third clamping objects are parallel to each other, and the fourth clamping objects are parallel to each other; and after the first clamping piece, the second clamping piece, the third clamping piece and the fourth clamping piece clamp and fix the first object clamp, the second object clamp, the third object clamp and the fourth object clamp respectively, the first object clamp, the second object clamp, the third object clamp and the fourth object clamp are welded and fixed.

Compared with the prior art, the technical scheme of the invention has the following beneficial effects:

the invention provides a second-order flexible clamp and a second-order flexible clamp applied to a second-order stepping framework, the positions of the first clamping member and the second clamping member are adjusted by a first assembly capable of sliding along a first direction and a second assembly capable of sliding along a second direction, and the first clamping pieces and the second clamping pieces can be densely arranged on the base to meet the requirements of the first-order stepping framework with various arrangement modes, then a third clamping piece and a fourth clamping piece are arranged to fix a third clamping object and a fourth clamping object which are arranged along a third direction and a fourth direction so as to realize a first-order stepping framework with various arrangement modes in the other plane direction, the first-order stepping frameworks which are respectively positioned between two planes are mutually vertical to form a second-order stepping framework, the function that one clamp is suitable for the second-order stepping frameworks in various arrangement modes can be realized by adjusting the structures of the second-order stepping frameworks in various arrangement modes; various applicability which the traditional clamp does not have is realized to a great extent; therefore, the storage space of the clamp can be saved, the clamp can be fully utilized, the purpose of utilizing resources to the maximum extent is achieved, and the production cost of the second-order stepping framework is reduced.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a second-order flexible fixture applied to a second-order stepping framework in the preferred embodiment of the invention;

FIG. 2 is a schematic diagram of a first slider structure of a second-order flexible fixture for a second-order stepping framework according to a preferred embodiment of the present invention;

FIG. 3 is a partially enlarged schematic view of the first clamping member position relationship of the second-order flexible fixture applied to the second-order stepping framework according to the preferred embodiment of the present invention;

FIG. 4 is a partially enlarged schematic view of the second clamping member of the second-order flexible fixture applied to the second-order stepping framework according to the preferred embodiment of the invention;

FIG. 5 is a partially enlarged schematic view of the position relationship between the second sliding member and the first sliding member of the second-order flexible fixture applied to the second-order stepping framework according to the preferred embodiment of the present invention;

FIG. 6 is a partially enlarged schematic view of the position relationship between the third clamping member and the fourth clamping member of the second-order flexible fixture applied to the second-order stepping framework according to the preferred embodiment of the present invention;

FIG. 7 is a bottom view of the overall structure of a second order flexible fixture for a second order stepping framework in accordance with the preferred embodiment of the present invention;

FIG. 8 is a schematic bottom view, partially enlarged view of the overall structure of the second-order flexible fixture applied to the second-order stepping framework according to the preferred embodiment of the present invention;

FIG. 9 is a schematic structural diagram of a second-order stepping framework in the preferred embodiment of the invention.

Detailed Description

The invention is further described with reference to the following figures and detailed description.

A second-order flexible clamp applied to a second-order stepping framework adopts a second-order flexible clamp, and referring to figures 1 to 9, the second-order flexible clamp comprises a first base 1, a second base 3, a first assembly and a second assembly; the first assembly is arranged on the first base 1 and is in sliding connection with the first base 1 along a first direction, and the second assembly is arranged on the second base 3 and is in sliding connection with the first assembly along the length direction of the first assembly; the first assembly is provided with a first clamping piece 21 and a second clamping piece 22; the first clamping piece 21 is connected with the first assembly in a sliding mode along a second direction; the first direction and the second direction are separated by a certain angle; the first clamping piece 21 clamps a first object clamp 100 with the length arranged along a first direction, and the second clamping piece 22 clamps a second object clamp 200 with the length arranged along a second direction; a third clamping piece 33 and a fourth clamping piece 34 are arranged on the second base 3, the third clamping piece 33 clamps a third object clamp 300 with the length arranged along a third direction, and the fourth clamping piece 34 clamps a fourth object clamp 400 with the length arranged along a fourth direction; a certain angle is arranged between the third direction and the fourth direction;

in this embodiment, the first direction and the second direction are perpendicular to each other, and the third direction and the fourth direction are perpendicular to each other; the plane formed by the first direction and the second direction is perpendicular to the plane formed by the third direction and the fourth direction.

Specifically, the base is a square base, first guide rails 11 are arranged on two opposite sides of the first base 1 along a first direction, first sliding parts are arranged at two ends of the first assembly, and the first sliding parts are connected with the first guide rails 11 in a sliding manner along the first direction; the first assembly is specifically a second guide rail 2, and the first clamping piece 21 is provided with a second sliding piece for being connected with the second guide rail 2 in a sliding manner along a second direction. Namely, the first guide rail 11 is slidably connected to the second guide rail 2 along a first direction through a first sliding member disposed at both ends of the first guide rail, and the first clamping member 21 is slidably connected to the second guide rail 2 along a second direction through a second sliding member disposed at the first clamping member. As shown in the figure, the first guide rail 11 and the second guide rail 2 are specifically guide rail rods arranged perpendicular to each other.

The specific sliding relationship is as follows: the first sliding part and the second sliding part are respectively provided with a first sliding cavity 12 and a second sliding cavity 202, and the first guide rail 11 and the second guide rail 2 respectively slide in the first sliding cavity 12 and the second sliding cavity 202; a first guide rail fitting piece 121 and a second guide rail fitting piece 214 are further arranged in the first sliding cavity 12 and the second sliding cavity 202 respectively, the first guide rail fitting piece 121 is used for being matched with the first guide rail 11 to slide, and the second guide rail fitting piece 214 is used for being matched with the second guide rail 2 to slide; specifically, the inner side walls of the first rail mating member 121 and the second rail mating member 214 are respectively provided with a convex strip 1211 along the first direction and the second direction, the outer side walls of the first rail 11 and the second rail 2 are respectively provided with a long concave portion 111 along the first direction and the second direction, the convex strip 1211 abuts against the bottom of the long concave portion 111 and moves along the length direction of the long concave portion 111, and therefore the first rail mating member 121 and the second rail mating member 214 are respectively matched with and slide on the first rail 11 and the second rail 2. This enables the first and second sliders to slide on the first and second guide rails 11, 2, respectively, in the first and second directions.

The first sliding part and the second sliding part need to be limited and fixed when sliding to a certain position, specifically, a first screw hole is arranged on one side wall of the first sliding cavity 12 along the horizontal direction, and a first screw 122 is inserted into the first screw hole; when the first sliding member needs to slide on the first guide rail 11, the first screw 122 is not locked with the first screw hole, the contact between the first sliding cavity 12 and the first guide rail 11 is not tight, and the first guide rail 11 has a moving space in the first sliding cavity 12, so that the first sliding member can slide on the first guide rail 11; after the first sliding member is positioned, the first screw 122 needs to be limited and fixed, the first screw 122 is locked with the first screw hole, when the first screw 122 is locked with the first screw hole, one end of the first screw 122, which is close to the center of the base, abuts against the outer side wall of the first guide rail 11, so that the first guide rail 11 is limited and fixed at one end of the first screw 122 and one side wall of the first sliding cavity 12, which is far away from the first screw hole, and the first sliding member is limited on the first guide rail 11 along the first direction;

specifically, the second sliding member is specifically composed of a sliding groove 2021 and the mounting plate 204; the sliding groove 2021 is fixedly connected with the mounting plate 204 along the vertical direction to form the second sliding cavity 202; the mounting plate 204 is used for mounting the first clamping piece 21; a second screw hole is formed in one side wall of the sliding groove 2021 in a vertical direction, and a second screw 2022 is inserted into the second screw hole; when the second sliding member slides on the second guide rail 2, the second screw 2022 is not locked to the second screw hole, and a moving space for the second guide rail 2 to move is further provided between the second sliding cavity 202 and the mounting plate 204, when the second sliding member is positioned, the second screw 2022 and the second screw hole need to be locked, and when the second screw 2022 is locked to the second screw hole, one end of the second screw 2022 abuts against the lower bottom surface of the mounting plate 204, so that the sliding groove 2021 and the mounting plate 204 clamp the second guide rail 2 from below and above, respectively, and the second sliding member is limited to the second guide rail 2 along the second direction. In the embodiment, the first screw 122 and the second screw 2022 are respectively provided with a first handle 1221 and a second handle 20221, which are convenient for rotating the first screw 122 and the second screw 2022.

Specifically, the first clamping member 21 is further fixedly connected with a first placing table 213; the first placing table 213 is used for placing a first object clamp 100 arranged along a first direction, and two sides of the first placing table 213 extend upwards for a certain distance to form a first limiting side wall 2131, so that the first object clamp 100 is limited in a second direction; the mounting plate 204 is further provided with an extension bar, one end of the extension bar, which is far away from the mounting plate 204, is fixedly connected with the second clamping piece 22 and the second placing table 223, and the second clamping piece 22; the second placing table 223 is used for placing a second object 200 arranged along a second direction, and two sides of the second placing table 223 extend upwards for a distance to form a second limiting side wall 2231, so that the second object 200 is limited in the first direction.

The first clip 100 and the second clip 200 arranged along the first direction and the second direction are described above, a first-order framework formed on the same plane is formed between the first clip 100 and the second clip 200, and a first-order framework arranged on the other plane is also needed, and the first clip and the second clip are spliced to form the second-order stepping framework; specifically, the second component is a third guide rail 31, a sliding groove 23 is fixed at one end of the second guide rail 2, which is slidably connected to the third guide rail 31, and the third guide rail 31 is placed in the sliding groove 23 to slide. The third guide rail 31 is arranged along a first direction, and the second guide rail 2 slides on the third guide rail 31 along the first direction; in this embodiment, the sliding groove 23 is provided with a third rail mating member 351, the third rail mating member 351 is also provided with a convex strip 1211, and the third rail 31 is also provided with a concave part for making the sliding groove 23 slide on the third rail 31 more smoothly. A third mounting table 231 is further disposed above the sliding groove 23 for mounting a third object 300 arranged along a third direction.

Specifically, the second base 3 is provided with a fourth guide rail 32, the direction of the fourth guide rail 32 is parallel to the first direction, but the fourth guide rail 32 is disposed vertically above the third guide rail 31; the third clamping member 33 and the fourth clamping member 34 are both disposed on the fourth guide rail 32 and slidably connected to the fourth guide rail 32; a third sliding part and a fourth sliding part are respectively arranged on the third clamping part 33 and the fourth clamping part 34; the third sliding member and the fourth sliding member are both connected with the fourth guide rail 32 in a sliding manner along a third direction. The third direction and the first direction are parallel to each other but the third direction is located directly above the first direction.

Specifically, the third and fourth sliders have a third sliding cavity 35 and a fourth sliding cavity, respectively, and the fourth guide rail 32 slides in the third sliding cavity 35 and the fourth sliding cavity; a fourth rail mating member 351 and a fifth rail mating member 344 are further disposed in the third sliding cavity 35 and the fourth sliding cavity, respectively, and the third rail mating member 351 and the fourth rail mating member 351 are configured to be engaged with the fourth rail 32 for sliding. In this embodiment, the third sliding cavity 35 and the fourth sliding cavity are respectively provided with a fourth rail mating member 351 and a fifth rail mating member, the fourth rail mating member 351 and the fifth rail mating member are also provided with a convex strip, and the fourth rail 32 is also provided with a concave part for making the third sliding cavity 35 and the fourth sliding cavity slide on the fourth rail 32 more stably. The third slider and the fourth slider are respectively provided with a first mounting table 352 and a second mounting table 355 for fixing the third clamp 33 and the fourth clamp 34, respectively. A fourth placing table 343 is further fixedly connected to the fourth clamping member 34, the fourth placing table 343 is configured to place a fourth object 400 arranged along a fourth direction, and two side walls of the fourth placing table 343 extend to form a limiting wall 3431 for limiting the fourth object 400.

The limiting modes of the third sliding part and the fourth sliding part on the fourth guide rail 32 are the same as the limiting modes of the second sliding part on the second guide rail 2, the third sliding part and the fourth sliding part are provided with through screw holes on the cavity walls of the third sliding cavity 35 and the fourth sliding cavity, one end of each screw is abutted to the fourth guide rail 32 through screw locking to clamp the fourth guide rail 32 tightly, when the screws are unscrewed when the screws need to slide, the fourth guide rail 32 has a moving space in the third sliding cavity 35 and the fourth sliding cavity, and the limiting modes of the third sliding part and the fourth sliding part are the same as the limiting modes of the second sliding part.

Specifically, the first clamping member 21, the second clamping member 22, the third clamping member 33, and the fourth clamping member 34 respectively include a first connecting member 211, a second connecting member 221, a third connecting member 331, and a fourth connecting member 341 arranged along the horizontal direction, and a first abutting member 212, a second abutting member 222, a third abutting member 332, and a fourth abutting member 342 arranged along the vertical direction; the first abutting part 212, the second abutting part 222, the third abutting part 332 and the fourth abutting part 342 are respectively used for abutting and clamping the first object clamp 100, the second object clamp 200, the third object clamp 300 and the fourth object clamp 400; one end of each of the first connecting member 211, the second connecting member 221, the third connecting member 331, and the fourth connecting member 341 is connected to the first abutting member 212, the second abutting member 222, the third abutting member 332, and the fourth abutting member 342, the other end of each of the first connecting member 211, the second connecting member 221, the third connecting member 331, and the fourth connecting member 341 is connected to the first cylinder, the second cylinder, the third cylinder, and the fourth cylinder, respectively, the first cylinder, the second cylinder, the third cylinder, and the fourth cylinder drive the first connecting member 211, the second connecting member 221, the third connecting member 331, and the fourth connecting member 341 to move up and down, respectively, so that the first abutting member 212, the second abutting member 222, the third abutting member 332, and the fourth abutting member 342 also move up and down, and the first abutting member 212, the second abutting member 222, the third abutting member 332, and the fourth abutting member 342 move down to abut against the first object 100, the second object 100, and the fourth object 100, respectively, The second object clamp 200, the third object clamp 300 and the fourth object clamp 400 are used for fixing the first object clamp 100, the second object clamp 200, the third object clamp 300 and the fourth object clamp 400.

In this embodiment, the first clip 100, the second clip 200, the third clip 300, and the fourth clip 400 are all metal tubes; the first clips 100 are parallel to each other, the second clips 200 are parallel to each other, the third clips 300 are parallel to each other, and the fourth clips 400 are parallel to each other; after the first clamping member 21, the second clamping member 22, the third clamping member 33 and the fourth clamping member 34 clamp and fix the first object clamp 100, the second object clamp 200, the third object clamp 300 and the fourth object clamp 400 respectively, the first object clamp 100, the second object clamp 200, the third object clamp 300 and the fourth object clamp 400 are welded and fixed. Whether each clamping piece clamps a clamp or not is determined according to the arrangement mode of the second-order stepping framework, so that the second-order flexible clamp is suitable for the second-order stepping frameworks with various arrangement modes.

The invention provides a second-order flexible clamp and a second-order flexible clamp applied to a second-order stepping framework, the positions of the first and second clamping members 21 and 22 are adjusted by a first assembly slidable in a first direction and a second assembly slidable in a second direction, but also can satisfy various arrangements of the first stepping frame by densely arranging the first clamping pieces 21 and the second clamping pieces 22 on the base, then, the third clamping piece 33 and the fourth clamping piece 34 are arranged to fix the third clamping piece 300 and the fourth clamping piece 400 arranged along the third direction and the fourth direction to realize the first-order stepping frameworks with various arrangement modes in the other plane direction, the first-order stepping frameworks positioned in the two planes are mutually vertical and are connected and welded to form a second-order stepping framework, and the flexible clamp is welded and fixed by a manipulator after clamping and fixing the metal pipe. The scheme adjusts the functions of the two-order stepping framework which is suitable for various arrangement modes by the structure of the two-order stepping framework with various arrangement modes; various applicability which the traditional clamp does not have is realized to a great extent; therefore, the storage space of the clamp can be saved, the clamp can be fully utilized, the purpose of utilizing resources to the maximum extent is achieved, and the production cost of the second-order stepping framework is reduced.

The above description is only a preferred embodiment of the present invention, but the design concept of the present invention is not limited thereto, and any person skilled in the art can make insubstantial changes in the technical scope of the present invention within the technical scope of the present invention, and the actions infringe the protection scope of the present invention are included in the present invention.

Claims (10)

1. A second-order flexible clamp is characterized by comprising a first base, a second base, a first assembly and a second assembly; the first assembly is arranged on the first base and is in sliding connection with the first base along a first direction, and the second assembly is arranged on the second base and is in sliding connection with the first assembly along the length direction of the first assembly;

the first assembly is provided with a first clamping piece and a second clamping piece; the first clamping piece is connected with the first assembly in a sliding mode along a second direction; the first direction and the second direction are separated by a certain angle; the first clamping piece clamps a first clamp with the length arranged along a first direction, and the second clamping piece clamps a second clamp with the length arranged along a second direction;

a third clamping piece and a fourth clamping piece are arranged on the second base, the third clamping piece clamps a third object clamp with the length arranged along a third direction, and the fourth clamping piece clamps a fourth object clamp with the length arranged along a fourth direction; a certain angle is arranged between the third direction and the fourth direction;

an angle is arranged between a plane formed by the first direction and the second direction and a plane formed by the third direction and the fourth direction.

2. A second order flexible clip according to claim 1, wherein; two opposite sides of the first base are provided with first guide rails along a first direction, two ends of the first assembly are provided with first sliding parts, and the first sliding parts are connected with the first guide rails in a sliding manner along the first direction; the first assembly is specifically a second guide rail, and the first clamping piece is provided with a second sliding piece for being in sliding connection with the second guide rail along a second direction.

3. The second order flexible fixture of claim 2, wherein the first and second slides have first and second slide cavities, respectively, and the first and second rails slide within the first and second slide cavities, respectively; a first guide rail matching piece and a second guide rail matching piece are respectively arranged in the first sliding cavity and the second sliding cavity, the first guide rail matching piece is used for matching with the first guide rail to slide, and the second guide rail matching piece is used for matching with the second guide rail to slide;

the inside wall of first guide rail fitting piece and second guide rail fitting piece is provided with the sand grip along first direction and second direction respectively, the outside wall of first guide rail and second guide rail is provided with long concave part along first direction and second direction respectively, the sand grip butt the bottom of long concave part, and follow the length direction of long concave part removes, thereby makes first guide rail fitting piece and second guide rail fitting piece respectively with first guide rail and second guide rail cooperation slide.

4. A second order flexible fixture according to claim 3, wherein a side wall of said first sliding chamber is provided with a first screw hole, and a first screw is inserted into said first screw hole; when the first sliding part slides on the first guide rail, the first screw and the first screw hole are not locked, when the first screw and the first screw hole are locked, one end of the first screw props against the outer side wall of the first guide rail, and the first sliding part is limited on the first guide rail along a first direction;

the second sliding part is composed of a sliding groove and a mounting plate; the sliding groove and the mounting plate are fixedly connected in the vertical direction to form the second sliding cavity; the mounting plate is used for mounting the first clamping piece; a second screw hole penetrating through the side wall of the sliding groove is formed in the vertical direction, and a second screw is inserted into the second screw hole; when the second sliding part slides on the second guide rail, the second screw is not locked with the second screw hole, and when the second screw is locked with the second screw hole, one end of the second screw abuts against the lower bottom surface of the mounting plate, so that the sliding groove and the mounting plate clamp the second guide rail from the lower part and the upper part respectively, and the second sliding part is limited on the second guide rail along the second direction.

5. The second order flexible fixture of claim 4, wherein the first clamping member is further fixedly connected with a first placing table; the first placing table is used for placing first clamping objects arranged along a first direction, and two sides of the first placing table extend upwards for a certain distance to form a first limiting side wall so that the first clamping objects are limited in a second direction;

the mounting plate is also provided with an extension strip, and one end of the extension strip, which is far away from the mounting plate, is fixedly connected with the second clamping piece and the second placing table; the second placing table is used for placing second clamping objects arranged along a second direction, and two sides of the second placing table extend upwards for a certain distance to form second limiting side walls, so that the second clamping objects are limited in the first direction.

6. The second-order flexible fixture of claim 2, wherein the second component is a third guide rail, a sliding groove is fixed at one end of the second guide rail, which is slidably connected with the third guide rail, and the third guide rail is arranged in the sliding groove to slide.

7. The second-order flexible fixture of claim 6, wherein a fourth guide rail is arranged on the second base, and the third clamping member and the fourth clamping member are both arranged on the fourth guide rail and are slidably connected with the fourth guide rail; a third sliding part and a fourth sliding part are respectively arranged on the third clamping part and the fourth clamping part; and the third sliding part and the fourth sliding part are both connected with the fourth guide rail in a sliding manner along a third direction.

8. The second order flexible fixture of claim 7, wherein the third and fourth slides have third and fourth slide cavities, respectively, and the fourth guide rail slides within the third and fourth slide cavities; the third sliding cavity and the fourth sliding cavity are respectively provided with a third guide rail fitting piece and a fourth guide rail fitting piece, and the third guide rail fitting piece and the fourth guide rail fitting piece are used for sliding in a matched manner with the fourth guide rail.

9. The second-order flexible fixture of claim 8, wherein the first, second, third and fourth clamping members respectively comprise a first, second, third and fourth connecting member arranged along a horizontal direction and a first, second, third and fourth abutting member arranged along a vertical direction; the first abutting piece, the second abutting piece, the third abutting piece and the fourth abutting piece are respectively used for abutting against the first object clamp, the second object clamp, the third object clamp and the fourth object clamp;

one end of each of the first connecting piece, the second connecting piece, the third connecting piece and the fourth connecting piece is connected with the first abutting piece, the second abutting piece, the third abutting piece and the fourth abutting piece respectively, the other end of each of the first connecting piece, the second connecting piece, the third connecting piece and the fourth connecting piece is connected with the first cylinder, the second cylinder, the third cylinder and the fourth cylinder respectively, the first cylinder, the second cylinder, the third cylinder and the fourth cylinder drive the first connecting piece, the second connecting piece, the third connecting piece and the fourth connecting piece to move up and down respectively, so that the first abutting piece, the second abutting piece, the third abutting piece and the fourth abutting piece also move up and down respectively, and the first abutting piece, the second abutting piece, the third abutting piece and the fourth abutting piece move down to abut against the first clamping object, the second clamping object, the third clamping object and the fourth clamping object respectively, thereby fixing the first clamping object, A second clamp, a third clamp and a fourth clamp.

10. A second-order flexible fixture applied to a second-order stepping framework, which is characterized in that the second-order flexible fixture of any one of the claims 1 to 9 is adopted, the first direction and the second direction are perpendicular to each other, the third direction and the fourth direction are perpendicular to each other, and a plane formed by the first direction and the second direction is perpendicular to a plane formed by the third direction and the fourth direction;

the first clamping object, the second clamping object, the third clamping object and the fourth clamping object are metal tubes; the first clamping objects are parallel to each other, the second clamping objects are parallel to each other, the third clamping objects are parallel to each other, and the fourth clamping objects are parallel to each other; and after the first clamping piece, the second clamping piece, the third clamping piece and the fourth clamping piece clamp and fix the first object clamp, the second object clamp, the third object clamp and the fourth object clamp respectively, the first object clamp, the second object clamp, the third object clamp and the fourth object clamp are welded and fixed.

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