CN209919224U

CN209919224U - Rail transit stand welding frock

Info

Publication number: CN209919224U
Application number: CN201920020669.5U
Authority: CN
Inventors: 王怀建
Original assignee: Chongqing Industry Polytechnic College
Current assignee: Chongqing Industry Polytechnic College
Priority date: 2019-01-07
Filing date: 2019-01-07
Publication date: 2020-01-10
Anticipated expiration: 2029-01-07

Abstract

The utility model provides a rail transit stand welding frock, the on-line screen storage device comprises a base, the base top surface left and right sides is fixed mounting pneumatic cylinder respectively, the slide of pneumatic cylinder expansion end inboard fixed mounting U type respectively, the slide can be followed the base and removed, base top surface fixed mounting several evenly distributed's supporting seat, the supporting seat is located between the slide, be equipped with the stand on the supporting seat jointly, slide middle part inboard fixed mounting motor respectively, the equal fixed mounting action wheel in motor output shaft inner, the inboard bearing erection bracing pole that does not of action wheel, both sides bearing erection screw respectively about the bracing piece, the screw rod outer end all is connected with slide inboard bearing, screw rod inner fixed mounting is from the driving wheel respectively. The utility model has the advantages of reasonable design, it is fixed effectual, can press from both sides tightly the horizontal direction and the vertical direction of stand, guaranteed the location accuracy among the welding process, convenient operation saves time, and is applicable to the stand of different wall thicknesses, has improved application scope, and the practicality is strong.

Description

Rail transit stand welding frock

Technical Field

The utility model belongs to welding frock field, specifically speaking are rail transit stand welding frock.

Background

The current rail transit stand is because the pipe diameter is big, and length is long, and traditional manual positioning and clamping mode can't satisfy the stand welding requirement of big length ization, often can appear welding position skew, the centre gripping condition such as inseparable to time limit for a project and stand welding quality have been influenced greatly.

SUMMERY OF THE UTILITY MODEL

The utility model provides a rail transit stand welding frock for solve the defect among the prior art.

The utility model discloses a following technical scheme realizes:

a rail transit upright post welding tool comprises a base, hydraulic cylinders are respectively and fixedly installed on the left side and the right side of the top surface of the base, U-shaped sliding seats are respectively and fixedly installed on the inner sides of the movable ends of the hydraulic cylinders, the sliding seats can move along the base, a plurality of uniformly distributed supporting seats are fixedly installed on the top surface of the base, the supporting seats are located between the sliding seats, upright posts are jointly arranged on the supporting seats, motors are respectively and fixedly installed on the inner sides of the middle parts of the sliding seats, driving wheels are respectively and fixedly installed on the inner ends of output shafts of the motors, supporting rods are respectively installed on the inner sides of the driving wheels, screw rods are respectively and bearing-installed on the upper side and the lower side of each supporting rod, the outer ends of the screw rods are respectively and fixedly connected with bearings on the inner sides of the, the upper side and the lower side of the inner wall of the sliding seat are respectively provided with a sliding groove, the outer end of the connecting rod can be inserted into the corresponding sliding groove and moves along the sliding groove, and the inner side of the nut is respectively fixedly provided with a clamping rod.

According to the rail transit stand column welding tool, the left side and the right side of the top surface of the base are respectively provided with the groove, the grooves are respectively and movably provided with the plurality of balls which are uniformly distributed, and the balls can be in allergy contact with the sliding seat.

According to the rail transit upright post welding tool, the rubber layer is fixedly arranged on the inner side of the clamping rod.

According to the rail transit upright post welding tool, the number of the supporting seats is at least three.

According to the welding tool for the rail transit stand column, the height of the supporting seat is higher than the inner bottom surface of the sliding seat.

According to the rail transit upright post welding tool, the base is made of stainless steel materials.

The utility model has the advantages that: when the utility model is used, the hydraulic cylinder is started, the movable end of the hydraulic cylinder pushes the slide seat to move inwards, when the slide seat moves to two sides of the upright post, the post wall of the upright post is respectively positioned between the corresponding clamping rods, the hydraulic cylinder is closed and the motor is started, the motor output shaft rotates to drive the driving wheel to rotate, the driving wheel rotates to drive the driven wheel to rotate, the driven wheel rotates to drive the screw rod to rotate, the screw rod rotates to drive the corresponding nut to move inwards relatively, the nut moves to drive the telescopic rod and the connecting rod to move, the connecting rod moves along the chute, the connecting rod can limit the nut, the nut is prevented from rotating to influence the movement of the nut, the clamping rods are driven to move inwards relatively when the nut moves, the clamping rods are in close contact with the post walls at the inner side and the outer side of the upright post, thereby the clamping and the positioning, the clamping rod can not move randomly, the fixing effect is good, and the occurrence of positioning deviation is effectively avoided. The utility model has the advantages of reasonable design, it is fixed effectual, can press from both sides tightly the horizontal direction and the vertical direction of stand, guaranteed the location accuracy among the welding process, convenient operation saves time, and is applicable to the stand of different wall thicknesses, has improved application scope, and the practicality is strong.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.

Fig. 1 is a schematic structural diagram of the present invention; fig. 2 is an enlarged view of part i of fig. 1.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

A rail transit upright post welding tool comprises a base 1, wherein hydraulic cylinders 2 are respectively and fixedly arranged on the left side and the right side of the top surface of the base 1, U-shaped sliding seats 3 are respectively and fixedly arranged on the inner sides of the movable ends of the hydraulic cylinders 2, the sliding seats 3 can move along the base 1, a plurality of uniformly distributed supporting seats 4 are fixedly arranged on the top surface of the base 1, the supporting seats 4 are positioned between the sliding seats 3, upright posts 15 are jointly arranged on the supporting seats 4, motors 5 are respectively and fixedly arranged on the inner sides of the middle parts of the sliding seats 3, driving wheels 6 are respectively and fixedly arranged at the inner ends of output shafts of the motors 5, supporting rods 7 are respectively arranged on the inner sides of the driving wheels 6, screw rods 8 are respectively and fixedly arranged on the upper side and the lower side of the supporting rods 7, the outer ends of the screw, the screw thread direction of nut 10 is opposite, and the same group of nut 10 outside is respectively through telescopic link 11 fixed connection, and connecting rod 12 is fixed mounting respectively in the telescopic link 11 middle part outside, and spout 13 is seted up respectively to both sides about the slide 3 inner wall, and the connecting rod 12 outer end can be inserted in corresponding spout 13 and along its removal, and the inboard fixed mounting clamping bar 14 respectively of nut 10. When the utility model is used, the hydraulic cylinder 2 is started, the movable end of the hydraulic cylinder 2 pushes the slide seat 3 to move inwards, when the slide seat 3 moves to two sides of the upright post 15, the post wall of the upright post 15 is respectively positioned between the corresponding clamping bars 14, the hydraulic cylinder 2 is closed, the motor 5 is started, the output shaft of the motor 5 rotates to drive the driving wheel 6 to rotate, the driving wheel 6 rotates to drive the driven wheel 9 to rotate, the driven wheel 9 rotates to drive the screw 8 to rotate, the screw 8 rotates to drive the corresponding nut 10 to move inwards relatively, the nut 10 moves to drive the telescopic rod 11 and the connecting rod 12 to move, the connecting rod 12 moves along the chute 13, the connecting rod 12 can limit the nut 10, the nut 10 is prevented from rotating and influencing the movement, the clamping bars 14 are driven to move inwards relatively when the nut 10 moves, the clamping bars 14 are in close contact with the post walls on the inner side and, and under the screw-thread fit of the nut 10 and the screw 8 and the meshing fit of the driving wheel 6 and the driven wheel 9, the clamping rod 14 cannot move randomly, the fixing effect is good, and the occurrence of positioning deviation is effectively avoided. The utility model has the advantages of reasonable design, it is fixed effectual, can press from both sides tightly the horizontal direction and the vertical direction of stand, guaranteed the location accuracy among the welding process, convenient operation saves time, and is applicable to the stand of different wall thicknesses, has improved application scope, and the practicality is strong.

Specifically, move slide 3 so that fix a position stand 15 through pneumatic cylinder 2, receive the frictional force of base 1 top surface when slide 3 removes, the embodiment the base 1 top surface left and right sides set up the recess respectively, movable mounting several evenly distributed's ball in the recess respectively, the ball can with 3 quick contacts of slide. The ball can reduce the frictional force between base 1 top surface and the slide 3 top surface for the removal of slide 3 is more convenient.

Specifically, the clamping bar 14 directly contacts with the upright post 15, which may damage the surface thereof, and a rubber layer is fixedly mounted inside the clamping bar 14 in the embodiment. The rubber layer can play the effect of buffering, can also avoid fish tail stand 15.

Further, the supporting seat 4 is provided with the upright post 15, which needs to provide a balanced supporting force for the upright post 15, and the number of the supporting seats 4 is at least three in this embodiment. The number of the supporting seats 4 is at least three, so that the supporting requirement is met.

Furthermore, the supporting seat 4 is provided with a column 15, and the inner end of the sliding seat 3 and the component need to position the column 15, and the supporting seat 4 is higher than the inner bottom surface of the sliding seat 3 in this embodiment. The height of the supporting seat 4 is higher than the inner bottom surface of the sliding seat 3, so that the upright post 15 can be conveniently positioned by parts in the sliding seat 3.

Furthermore, the base 1 provides a supporting force for the whole device, and the base 1 is made of stainless steel material when being impacted by external force during use. The base 1 is made of stainless steel materials, and is firm and durable and long in service life.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides a rail transit stand welding frock which characterized in that: comprises a base (1), hydraulic cylinders (2) are respectively and fixedly installed on the left side and the right side of the top surface of the base (1), U-shaped sliding seats (3) are respectively and fixedly installed on the inner sides of the movable ends of the hydraulic cylinders (2), the sliding seats (3) can move along the base (1), a plurality of uniformly distributed supporting seats (4) are fixedly installed on the top surface of the base (1), the supporting seats (4) are positioned between the sliding seats (3), stand columns (15) are jointly arranged on the supporting seats (4), motors (5) are respectively and fixedly installed on the inner sides of the middle parts of the sliding seats (3), driving wheels (6) are respectively and fixedly installed on the inner ends of output shafts of the motors (5), supporting rods (7) are respectively and rotatably installed on the inner sides of the driving wheels (6), screw rods (8) are respectively and rotatably installed on the upper side and the lower side, from driving wheel (9) all with action wheel (6) meshing cooperation, two nuts (10) of screw rod (8) outer end difference threaded mounting, the screw thread opposite direction of nut (10), same group nut (10) outside is respectively through telescopic link (11) fixed connection, telescopic link (11) middle part outside difference fixed mounting connecting rod (12), spout (13) are seted up respectively to both sides about slide (3) inner wall, connecting rod (12) outer end can be inserted in corresponding spout (13) and remove along it, nut (10) inboard difference fixed mounting clamping bar (14).

2. The rail transit column welding tool of claim 1, characterized in that: the left side and the right side of the top surface of the base (1) are respectively provided with a groove, a plurality of balls which are uniformly distributed are respectively and movably arranged in the grooves, and the balls can be contacted with the sliding seat (3) in an allergy way.

3. The rail transit column welding tool of claim 1, characterized in that: the rubber layer is fixedly arranged on the inner side of the clamping rod (14).

4. The rail transit column welding tool of claim 1, characterized in that: the number of the supporting seats (4) is at least three.

5. The rail transit column welding tool of claim 1, characterized in that: the height of the supporting seat (4) is higher than the inner bottom surface of the sliding seat (3).

6. The rail transit column welding tool of claim 1, characterized in that: the base (1) is made of stainless steel materials.