CN117773469A

CN117773469A - Staircase welding frock

Info

Publication number: CN117773469A
Application number: CN202311832434.3A
Authority: CN
Inventors: 邢良玉
Original assignee: Suzhou Xinda Escalator Accessories Co Ltd
Current assignee: Suzhou Xinda Escalator Accessories Co Ltd
Priority date: 2023-12-28
Filing date: 2023-12-28
Publication date: 2024-03-29

Abstract

The utility model relates to an elevator assembly processingequipment field discloses an staircase welding frock, including supporting component, constitute by many I-steel for support whole frock, fixed support mechanism, its fixed connection is in supporting component one side, a side board for supporting the staircase, movable support mechanism, its sliding connection is in supporting component one side, a side board for supporting the staircase, transverse adjustment subassembly, its fixed connection is in supporting component one side, be used for driving movable support mechanism to slide on supporting component, with adjust both sides side board interval, adapt to the welding of different specification staircase. The welding tool for the escalator can be transversely adjusted and longitudinally adjusted in positioning size, so that the tool can be adjusted according to the specification of the escalator to be welded, the welding requirements of the escalator with different specifications and sizes can be met, the operation of on-site workers is facilitated, and the stability of the product quality is greatly improved.

Description

Staircase welding frock

Technical Field

The invention relates to the technical field of elevator assembly processing devices, in particular to an escalator welding tool.

Background

The escalator step assembly is an important component of an escalator step system, and is divided into an upper step assembly and a lower step assembly, wherein the upper step assembly and the lower step assembly of the escalator are connected with an escalator truss through a beam by adopting a single-piece welding structure, namely, the single-piece and flat steel guide rails are welded into a guide rail single piece, and the two guide rail single pieces are welded on a tool in a double-splicing way through the beam, so that the upper step assembly and the lower step assembly are formed.

At present, the upper and lower specifications of the escalator are generally divided into a plurality of horizontal specifications of 1.5, 2, 3 and the like, and a plurality of width specifications of 600, 800, 1000mm and the like. Different combinations of the specifications can adapt to the height requirements and the use environments of different customers on the escalator, and simultaneously meet the national and local regulations and requirements on the size of the escalator.

However, due to the variety of specifications and sizes, various types of tools and equipment are required in the manufacturing and maintenance process of the escalator. Some specifications even need manual assembly welding, which can lead to various tools, large occupied area and easy occurrence of unstable quality. Therefore, for these problems, research and development of a general-purpose welding tool for the escalator is required to improve the efficiency and quality of welding the escalator and reduce the problems of maintenance, occupied area and the like.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides an escalator welding tool, which solves the problems that the existing escalator tool is difficult to be used commonly, tools with more independent specifications are required to be adapted according to the specifications of products, and the types of tools are large in occupied area.

In order to achieve the above purpose, the invention is realized by the following technical scheme: an escalator welding fixture, comprising:

the support assembly consists of a plurality of I-steel and is used for supporting the whole tool;

the fixed supporting mechanism is fixedly connected to one side of the supporting component and used for supporting a side plate of the escalator;

the movable supporting mechanism is connected to one side of the supporting component in a sliding way and used for supporting the other side plate of the escalator;

the transverse adjusting assembly is fixedly connected to one side of the supporting assembly and used for driving the movable supporting mechanism to slide on the supporting assembly so as to adjust the spacing between the side plates at two sides and adapt to welding of the escalators with different specifications;

wherein, fixed support mechanism includes:

the first bearing plate is used for supporting the whole fixed supporting mechanism;

the fixed upright post assembly is fixedly connected to one side of the first bearing plate and used for positioning the escalator side plate;

the movable upright post assembly is connected to one side of the first bearing plate in a sliding way and is used for positioning the escalator side plate in cooperation with the fixed upright post assembly;

the longitudinal adjusting assembly is fixedly connected to one side of the first bearing plate and used for enabling the movable upright post assembly to slide on the first bearing plate so as to adjust the distance between the fixed upright post assembly and the movable upright post assembly and adapt to the positioning of side plates with different specifications.

Preferably, the fixed upright post assembly comprises a supporting column, a positioning shaft rod and a positioning block are fixedly connected to one side of the supporting column respectively, a positioning shaft column is arranged on the outer wall of the positioning shaft rod, a plurality of positioning screw holes are formed in one side of the positioning block, the end face of the positioning shaft column and the positioning block play a role in positioning the process holes of the single-piece side plate of the part and can be horizontally leaned against, the positioning shaft column and the positioning block are taken as reference surfaces, and positioning bolts for positioning the side plate of the escalator are connected in the positioning screw holes in a threaded mode.

Preferably, a reinforcing rib is arranged on one side, away from the positioning block, of the supporting column.

Preferably, the movable upright post assembly and the fixed upright post assembly have the same structure, the movable upright post assembly is fixedly connected to the upper side of the second bearing plate, and the bottom side of the second bearing plate is slidably connected to the upper side of the first bearing plate through the longitudinal adjusting assembly.

Preferably, the movable supporting mechanism is identical to the fixed supporting mechanism in structure, and the lower side of the first bearing plate in the movable supporting mechanism is driven to slide on the upper side of the supporting component through the transverse adjusting component.

Preferably, the transverse adjusting assembly comprises a screw rod, a supporting seat and a fixing seat, wherein the fixing seat is fixedly connected to one side of the supporting assembly, one end of the screw rod is rotationally connected to one side of the fixing seat, the other end of the screw rod is fixedly connected with a crank, the middle of the supporting seat is fixedly connected with a threaded sleeve, the threaded sleeve is in threaded connection with the outer side of the screw rod, and the supporting seat is fixedly connected to the lower side of a first bearing plate in the movable supporting mechanism.

Preferably, the transverse adjusting assembly further comprises a first sliding rail and a first sliding block, the first sliding rail is fixedly connected to one side of the supporting assembly, the first sliding rail is arranged in parallel with the crank, the first sliding block is fixedly connected to the lower side of the first bearing plate in the movable supporting mechanism, and the first sliding block is slidably connected to one side of the first sliding rail.

Preferably, the longitudinal adjustment assembly comprises a second sliding block and a second sliding rail, wherein the second sliding block is fixedly connected to the lower side of the second bearing plate, the second sliding rail is fixedly connected to the upper side of the first bearing plate, and the second sliding block is slidably connected to one side of the second sliding rail.

Preferably, the longitudinal adjustment assembly further comprises a locking assembly for locking the position of the movable upright post assembly, the locking assembly comprises a locking bolt, the locking bolt penetrates through the second bearing plate to be connected to one side of the second sliding block in a threaded mode, one end of the locking bolt is abutted to one side of the second sliding rail when the locking bolt is locked, and a rotating rod is fixedly connected to the outer wall of the locking bolt.

Preferably, the outside of the longitudinal adjustment assembly is provided with telescopic covers on two sides of the movable upright assembly, and the telescopic covers stretch out and draw back along with the sliding of the movable upright assembly.

Working principle: when the escalator welding tool disclosed by the invention is used for welding the side plates at two sides of an escalator, firstly, the distance between a movable upright post assembly and a fixed upright post assembly is adjusted through a longitudinal adjusting mechanism according to the specification and the size of the side plates, then, the position of the movable upright post assembly is locked through a locking assembly, and then, one side plate of the escalator is fixedly positioned through the fixed upright post assembly and the movable upright post assembly; simultaneously, the two upright post assemblies on the movable supporting mechanism fix and position the side plates on the other side, and after the side plates on the two sides are positioned, the distance between the movable supporting mechanism and the fixed supporting mechanism is adjusted through the transverse adjusting mechanism so as to realize the adjustment of the distance between the two side plates; and then adding steel required by welding, and performing welding operation.

The invention provides an escalator welding tool. The beneficial effects are as follows:

1. the welding tool for the escalator can be transversely adjusted and longitudinally adjusted in positioning size, so that the tool can be adjusted according to the specification of the escalator to be welded, the welding requirements of the escalator with different specifications and sizes can be met, the operation of on-site workers is facilitated, and the stability of the product quality is greatly improved.

2. The invention has simple and convenient structure application, multiple covering specifications and stable product quality, solves the problems of multiple tool types, large tool occupation area, difficult worker operation and the like caused by various product types, greatly improves the working efficiency, and achieves the purposes of opening source, throttling, saving cost and reducing the cost.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a schematic view of a structure of a fixed support mechanism according to the present invention;

FIG. 3 is a schematic view of a stationary post assembly according to the present invention;

FIG. 4 is a schematic view of a lateral adjustment assembly of the present invention;

FIG. 5 is a perspective view of the lateral adjustment assembly of the present invention;

FIG. 6 is a schematic view of a longitudinal adjustment assembly of the present invention;

FIG. 7 is a schematic view of a support assembly according to the present invention;

fig. 8 is a schematic diagram of the present invention during welding.

10, a supporting component; 11. i-steel; 20. a fixed support mechanism; 21. a first bearing plate; 30. a movable supporting mechanism; 40. a lateral adjustment assembly; 41. a screw rod; 42. a support base; 43. a screw sleeve; 44. a fixing seat; 45. a crank; 46. a first slide rail; 47. a first slider; 50. fixing the upright post assembly; 51. a support column; 52. positioning a shaft lever; 521. positioning a shaft column; 53. a positioning block; 531. positioning screw holes; 532. positioning bolts; 54. reinforcing ribs; 60. a movable upright post assembly; 61. a second bearing plate; 70. a longitudinal adjustment assembly; 71. a second slider; 72. a second slide rail; 73. a locking assembly; 731. a locking bolt; 732. a rotating rod; 80. a telescopic cover.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Examples:

referring to fig. 1-8, an embodiment of the present invention provides an escalator welding tool, including:

the support assembly 10 consists of a plurality of I-steel 11 and is used for supporting the whole tool;

in this embodiment, the number and the size of the i-beams 11 will be different according to the size and the load requirement of the welding fixture of the escalator. The I-steel 11 is welded together to form a solid support frame to ensure structural rigidity and stability of the tooling.

A fixed supporting mechanism 20 fixedly connected to one side of the supporting assembly 10 for supporting a side plate of the escalator;

in this embodiment, the fixing manner between the supporting mechanism and the side board may be various manners, such as welding, bolting, etc., to ensure that the mechanism is firm and stable; the main purpose of the fixed support mechanism 20 is to support a side plate of the escalator to be welded to ensure that it does not move or deform during welding.

A movable supporting mechanism 30 slidably connected to one side of the supporting assembly 10 for supporting the other side plate of the escalator;

in this embodiment, the movable supporting mechanism 30 acts as the fixed supporting mechanism 20, and can slide on the upper side of the supporting component 10 near to or far from the fixed supporting mechanism 20, so that the distance between the two side plates of the escalator to be welded can be adjusted according to the specification of the escalator.

The transverse adjusting component 40 is fixedly connected to one side of the supporting component 10 and is used for driving the movable supporting mechanism 30 to slide on the supporting component 10 so as to adjust the spacing between two side plates and adapt to the welding of the escalators with different specifications;

in this embodiment, the movable supporting mechanism 30 can be driven to slide by the transverse adjusting component 40, so as to adjust the spacing between the fixed supporting mechanism 20 and the escalator side plates supported on the movable supporting mechanism 30, so that the welding requirements of the escalator with different specifications can be met.

Referring to fig. 2, the fixed support mechanism 20 includes:

a first loading plate 21 for supporting the entire fixed supporting mechanism 20;

in this embodiment, the first bearing plate 21 has enough strength and rigidity to support other components of the fixed support mechanism 20 and bear the weight of the escalator, so as to ensure the stability and safety of the fixture. In addition, the first carrier plate 21 also has sufficient corrosion resistance and wear resistance to ensure long-term operation of the tool;

a fixed upright post assembly 50 fixedly connected to one side of the first bearing plate 21 for positioning the escalator side plate;

in this embodiment, the fixing upright post assembly 50 is fixed on the first bearing plate 21, and positions and fixes the side plate of the escalator, so as to ensure the accuracy and safety of the side plate of the escalator during welding.

The movable upright post assembly 60 is slidably connected to one side of the first bearing plate 21, and is used for positioning the escalator side plate in cooperation with the fixed upright post assembly 50;

in this embodiment, the movable pillar assembly 60 is connected to the first carrier plate 21 by a sliding connection. Compared with the fixed upright post assembly 50, the movable upright post assembly 60 can be slidably adjusted on the welding fixture so as to adapt to the escalator side plates with different specifications and sizes;

specifically, during the use of the welding fixture, the movable upright post assembly 60 needs to be matched with the fixed upright post assembly 50 for use, so as to jointly support and position the side plates of the escalator; the distance and the position between the two upright post assemblies are adjusted, so that the escalator side plates with different sizes and specifications can be adapted to ensure the accuracy and the stability of the welding process.

The longitudinal adjustment assembly 70 is fixedly connected to one side of the first bearing plate 21, and is used for enabling the movable upright post assembly 60 to slide on the first bearing plate 21 so as to adjust the distance between the fixed upright post assembly 50 and the movable upright post assembly 60 and adapt to the positioning of side plates with different specifications;

in this embodiment, in the welding fixture, the sliding position of the movable upright post assembly 60 on the first bearing plate 21 can be controlled by the longitudinal adjustment assembly 70, so that the movable upright post assembly and the fixed upright post assembly 50 are positioned in a matched manner, thereby achieving the purpose of accurately positioning the side plate of the escalator.

In some embodiments, referring to fig. 2-3, the fixed upright post assembly 50 includes a support post 51, one side of the support post 51 is fixedly connected with a positioning shaft lever 52 and a positioning block 53, a positioning shaft lever 521 is disposed on an outer wall of the positioning shaft lever 52, one side of the positioning block 53 is provided with a plurality of positioning screw holes 531, the positioning shaft lever 521 and the positioning block 53 play roles in positioning a process hole of a single-piece side plate of a component and can be horizontally leaned against, with the positioning shaft lever and the positioning block 53 serving as reference surfaces, and positioning bolts 532 for positioning side plates of an escalator are in threaded connection in the positioning screw holes 531;

in this embodiment, the support column 51 is made of steel or other solid materials, and can be adjusted according to different requirements and specifications to adapt to different sizes and types of side plates; the positioning shaft rods 52 are arranged on one side of the supporting column 51, the number of the positioning shaft rods 52 can be adjusted according to the specification and the requirement of the escalator, and the positioning shaft rods are mainly used for fixing and positioning the escalator side plates and can be inserted into reserved holes of the escalator side plates so as to ensure that the side plates always keep the correct positions; the positioning shaft 521 is mounted on the outer wall of the positioning shaft 52, and is a generally cylindrical positioning shaft 521, which is mainly used for ensuring the stability of the escalator side plate and the flatness of two single sheets in the welding process, and the position and the size of the positioning shaft 521 need to correspond to those of the positioning block 53 so as to ensure the accurate positioning and the flatness of the side plate; the positioning block 53 is also used for supporting and positioning the side plate of the escalator, and one side of the positioning block is provided with a plurality of positioning screw holes 531 for screwing in positioning bolts 532 to achieve the purpose of positioning and positioning the side surface of the single side plate as a reference surface.

Further, a reinforcing rib 54 is arranged on one side of the support column 51 far away from the positioning block 53;

in this embodiment, the reinforcing ribs 54 increase the cross-sectional area and the material thickness of the support column 51 to increase its rigidity and strength, enabling the support column 51 to withstand the weight and pressure of the escalator while maintaining stability and positional accuracy.

In some embodiments, the movable pillar assembly 60 is identical in structure to the fixed pillar assembly 50, the movable pillar assembly 60 is fixedly connected to the upper side of the second loading plate 61, and the lower side of the second loading plate 61 is slidably connected to the upper side of the first loading plate 21 through the longitudinal adjustment assembly 70.

In some embodiments, the movable supporting mechanism 30 is the same as the fixed supporting mechanism 20 in structure, and the lower side of the first bearing plate 21 in the movable supporting mechanism 30 is driven to slide on the upper side of the supporting assembly 10 through the transverse adjusting assembly 40;

in this embodiment, the movable supporting mechanism 30 has substantially the same structure as the fixed supporting mechanism 20, and the movable supporting mechanism 30 is also used for positioning and fixing another side plate of the escalator, which is different in that the movable supporting mechanism 30 is slidably connected with the supporting component 10, so that the spacing between the movable supporting mechanism 30 and the side plate positioned on the fixed supporting mechanism 20 can be adjusted by the transverse adjusting component 40, and the welding fixture can adapt to the welding operation of the escalator with different specifications.

In some embodiments, referring to fig. 4-5, the lateral adjustment assembly 40 includes a screw rod 41, a support seat 42 and a fixing seat 44, the fixing seat 44 is fixedly connected to one side of the support assembly 10, one end of the screw rod 41 is rotatably connected to one side of the fixing seat 44, the other end of the screw rod 41 is fixedly connected to a crank 45, a threaded sleeve 43 is fixedly connected to the middle of the support seat 42, the threaded sleeve 43 is in threaded connection with the outer side of the screw rod 41, and the support seat 42 is fixedly connected to the lower side of the first bearing plate 21 in the movable support mechanism 30;

in this embodiment, when the distance between the movable supporting mechanism 30 and the fixed supporting mechanism 20 is adjusted by the transverse adjusting component 40, the screw rod 41 is manually rotated to move the threaded sleeve 43 along the screw rod 41, so that the supporting seat 42 moves axially on the screw rod 41 to adjust the distance between the side plates of the escalator, thereby achieving the purpose of adapting to the welding of the escalator with different specifications.

In some embodiments, referring to fig. 5, the lateral adjustment assembly 40 further includes a first sliding rail 46 and a first sliding block 47, the first sliding rail 46 is fixedly connected to one side of the support assembly 10, the first sliding rail 46 is parallel to the crank 45, the first sliding block 47 is fixedly connected to the lower side of the first bearing plate 21 in the movable support mechanism 30, and the first sliding block 47 is slidably connected to one side of the first sliding rail 46;

in this embodiment, the first slide rail 46 and the first slide block 47 function to ensure the accuracy of the position and angle of the support base 42 while the support base moves stably. Specifically, when the screw rod 41 rotates, the screw sleeve 43 moves the supporting seat 42 in the horizontal direction, and the first slider 47 is slidably connected to the first slide rail 46 to support and fix the position of the first loading plate 21. Thus, the support seat 42 can be ensured to move stably, the problems of deviation or inclination and the like can be avoided, and the adjustment precision and the welding quality can be ensured.

In some embodiments, referring to fig. 6, the longitudinal adjustment assembly 70 includes a second slider 71 and a second sliding rail 72, the second slider 71 is fixedly connected to the lower side of the second bearing plate 61, the second sliding rail 72 is fixedly connected to the upper side of the first bearing plate 21, and the second slider 71 is slidably connected to one side of the second sliding rail 72;

in this embodiment, the longitudinal adjustment assembly 70 is used for adjusting the longitudinal position of the side plate of the escalator so as to adapt to the welding requirements of different specifications and requirements, and the longitudinal adjustment assembly 70 can be adjusted by manual operation, so that the second slider 71 drives the second bearing plate 61 to slide on the second sliding rail 72, thereby driving the movable upright post assembly 60 to slide close to or far from the fixed upright post assembly 50 so as to meet the requirements of welding operation on positioning the side plate of the escalator.

Further, the longitudinal adjustment assembly 70 further comprises a locking assembly 73 for locking the position of the movable upright assembly 60, the locking assembly 73 comprises a locking bolt 731, the locking bolt 731 penetrates through the second bearing plate 61 to be connected to one side of the second sliding block 71 in a threaded manner, one end of the locking bolt 731 abuts against one side of the second sliding rail 72 when locked, and a rotating rod 732 is fixedly connected to the outer wall of the locking bolt 731;

in this embodiment, the locking component 73 is configured to lock the position of the movable upright component 60 on the longitudinal adjustment component 70 after the movable upright component 60 is adjusted in place, so as to improve the stability of positioning the side plate of the escalator. By rotating the locking bolt 731, the end is brought close to the second slide rail 72 until the locking is achieved against the second slide rail 72.

In some embodiments, the outer sides of the longitudinal adjustment assembly 70, which are located on both sides of the movable upright assembly 60, are provided with telescopic covers 80, and the telescopic covers 80 are telescopic when sliding along the movable upright assembly 60;

in this embodiment, through the telescopic cover 80 provided, when the movable upright post assembly 60 slides, the telescopic cover 80 stretches along with the movable upright post assembly, so that the second slide rail 72 is always covered, and welding slag is prevented from falling on the second slide rail 72 during welding operation, thereby affecting the sliding action.

In conclusion, the escalator welding fixture disclosed by the invention can be used for transversely adjusting and longitudinally adjusting the positioning size of the fixture, is simple and convenient in procedure, is convenient for on-site workers to operate, greatly improves the stability of product quality, compresses the occupied space of the on-site fixture, reduces self-making cost and site spreading and selling, and is convenient for on-site management and reduces the labor intensity of the workers.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Staircase welding frock, its characterized in that includes:

the support assembly (10) consists of a plurality of I-steel (11) and is used for supporting the whole tool;

a fixed supporting mechanism (20) fixedly connected to one side of the supporting component (10) and used for supporting a side plate of the escalator;

the movable supporting mechanism (30) is connected to one side of the supporting component (10) in a sliding way and is used for supporting the other side plate of the escalator;

the transverse adjusting assembly (40) is fixedly connected to one side of the supporting assembly (10) and used for driving the movable supporting mechanism (30) to slide on the supporting assembly (10) so as to adjust the spacing between two side plates and adapt to welding of escalators with different specifications;

wherein the fixed support mechanism (20) comprises:

a first carrier plate (21) for supporting the entire fixed supporting mechanism (20);

the fixed upright post assembly (50) is fixedly connected to one side of the first bearing plate (21) and used for positioning the escalator side plate;

the movable upright post assembly (60) is connected to one side of the first bearing plate (21) in a sliding way and is used for positioning the escalator side plate in cooperation with the fixed upright post assembly (50);

the longitudinal adjusting assembly (70) is fixedly connected to one side of the first bearing plate (21) and used for enabling the movable upright post assembly (60) to slide on the first bearing plate (21) so as to adjust the distance between the fixed upright post assembly (50) and the movable upright post assembly (60) and adapt to the positioning of side plates with different specifications;

the longitudinal adjusting assembly (70) comprises a second sliding block (71) and a second sliding rail (72), the second sliding block (71) is fixedly connected to the lower side of the second bearing plate (61), the second sliding rail (72) is fixedly connected to the upper side of the first bearing plate (21), and the second sliding block (71) is slidably connected to one side of the second sliding rail (72);

the longitudinal adjustment assembly (70) further comprises a locking assembly (73) used for locking the position of the movable upright post assembly (60), the locking assembly (73) comprises a locking bolt (731), the locking bolt (731) penetrates through the second bearing plate (61) to be connected with one side of the second sliding block (71) in a threaded mode, one end of the locking bolt (731) abuts against one side of the second sliding rail (72) during locking, and a rotating rod (732) is fixedly connected to the outer wall of the locking bolt (731).

2. The escalator welding fixture according to claim 1, wherein the fixed upright column assembly (50) comprises a supporting column (51), a positioning shaft rod (52) and a positioning block (53) are fixedly connected to one side of the supporting column (51), a positioning shaft column (521) is arranged on the outer wall of the positioning shaft rod (52), a plurality of positioning screw holes (531) are formed in one side of the positioning block (53), the end face of the positioning shaft column (521) and the positioning block (53) play a role in positioning a single-piece side plate process hole and can be horizontally arranged on the side face, the positioning shaft column is used as a reference surface, and positioning bolts (532) for positioning escalator side plates are connected in the positioning screw holes (531) in a threaded mode.

3. The escalator welding fixture according to claim 2, wherein a reinforcing rib (54) is arranged on one side of the supporting column (51) away from the positioning block (53).

4. A welding fixture for an escalator according to claim 2 or 3, wherein the movable upright assembly (60) has the same structure as the fixed upright assembly (50), the movable upright assembly (60) is fixedly connected to the upper side of the second bearing plate (61), and the bottom side of the second bearing plate (61) is slidably connected to the upper side of the first bearing plate (21) through the longitudinal adjusting assembly (70).

5. The escalator welding fixture according to claim 1, wherein the movable supporting mechanism (30) has the same structure as the fixed supporting mechanism (20), and the lower side of the first bearing plate (21) in the movable supporting mechanism (30) is driven to slide on the supporting component (10) through the transverse adjusting component (40).

6. The escalator welding fixture according to claim 5, wherein the transverse adjusting assembly (40) comprises a screw rod (41), a supporting seat (42) and a fixing seat (44), the fixing seat (44) is fixedly connected to one side of the supporting assembly (10), one end of the screw rod (41) is rotatably connected to one side of the fixing seat (44), the other end of the screw rod (41) is fixedly connected with a crank (45), a threaded sleeve (43) is fixedly connected to the middle of the supporting seat (42), the threaded sleeve (43) is in threaded connection with the outer side of the screw rod (41), and the supporting seat (42) is fixedly connected to the lower side of the first bearing plate (21) in the movable supporting mechanism (30).

7. The escalator welding fixture according to claim 6, wherein the lateral adjustment assembly (40) further comprises a first sliding rail (46) and a first sliding block (47), the first sliding rail (46) is fixedly connected to one side of the support assembly (10), the first sliding rail (46) is arranged in parallel with the crank (45), the first sliding block (47) is fixedly connected to the lower side of the first bearing plate (21) in the movable support mechanism (30), and the first sliding block (47) is slidably connected to one side of the first sliding rail (46).

8. The escalator welding fixture according to claim 1, wherein the outer sides of the longitudinal adjustment assemblies (70) are respectively provided with a telescopic cover (80) at two sides of the movable upright assembly (60), and the telescopic covers (80) are respectively telescopic when sliding along with the movable upright assembly (60).