CN220112384U

CN220112384U - Welding residual stress test is with adjustable drilling equipment

Info

Publication number: CN220112384U
Application number: CN202321053172.6U
Authority: CN
Inventors: 郝俊山
Original assignee: Nanjing Poly Navigation Technology Co ltd
Current assignee: Nanjing Poly Navigation Technology Co ltd
Priority date: 2023-05-05
Filing date: 2023-05-05
Publication date: 2023-12-01
Anticipated expiration: 2033-05-05

Abstract

The utility model discloses an adjustable drilling device for welding residual stress test, which relates to the field of welding detection and solves the problem of low symmetrical hole drilling efficiency of the traditional drilling device.

Description

Welding residual stress test is with adjustable drilling equipment

Technical Field

The utility model relates to the field of welding detection, in particular to an adjustable drilling device for welding residual stress test.

Background

When the steel structure is welded, the temperature difference exists in the welding part in the heating and cooling processes, so that the deformation inconsistency is caused, internal stress is generated, the stress is called welding residual stress, whether the tested component is destructive or not is detected according to a measuring method, a hole drilling method is generally adopted for detecting, a small blind hole with the diameter is drilled at any point in a stress field, the stress of the point is released, the residual stress is redistributed, the average residual stress is obtained, the operation is simple and convenient, the measuring precision is high, the damage degree of the welding part is small, and the welding method is widely applied to engineering.

The prior Chinese published patent literature: the utility model discloses a Chinese patent of CN214161447U, which discloses an adjusting drilling device for testing welding residual stress of aluminum alloy.

However, the above drilling device has the following problems when in use, the drilling can be performed only by measuring and marking and then rotating the workbench, so that the efficiency is low, and the skilled person provides an adjustable drilling device for testing the welding residual stress, so as to solve the problems in the prior art.

Disclosure of Invention

The utility model aims to provide an adjustable drilling device for welding residual stress test, which can solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a welding residual stress test is with adjustable drilling device, includes balladeur train and two backup pads, two backup pad fixed mounting in the both ends of balladeur train, the inside of balladeur train is equipped with adjustment mechanism, adjustment mechanism including install in the bi-directional screw rod of balladeur train inner wall, the slider has all been cup jointed to bi-directional screw rod's both sides screw thread, the bottom fixedly connected with two symmetrical distribution's of slider mount pad, two fixed axis rotation has the axostylus axostyle between the mount pad, the outer wall fixedly connected with ratchet of axostylus axostyle, peg graft on the tooth of ratchet has the piece of supporting, the surface of mount pad has been seted up and has been supplied to the spacing gliding slot of piece, the piece of supporting is kept away from the one end fixedly connected with pull rod of ratchet, the pull rod extends to the outside of mount pad, the outer wall of axostylus axostyle is fixed to be cup jointed two connecting plates between the connecting plates, the below of mount pad is equipped with the drill bit, the inside of mount pad is equipped with receiving mechanism, and the user can make two sliders make opposite or opposite direction movement, and the ratchet is driven the face-to rotate the ratchet through the axial bar, can drive the ratchet through the face-to rotate the ratchet and insert the ratchet, can rotate the tooth the face-to the ratchet and insert the ratchet through the face, the face of the device to the ratchet to the face.

As a further scheme of the utility model: the storage mechanism comprises a gear fixedly arranged on the outer wall of the shaft rod, a toothed belt is meshed with teeth of the gear, an opening for installing the toothed belt is formed in the top of the installation cylinder, one end of the toothed belt extends to the inside of the installation cylinder, one end of the toothed belt is meshed with the toothed cylinder, the toothed cylinder is fixedly arranged on the inner wall of the installation cylinder in a shaft-fixing manner, two symmetrically distributed toothed plates are meshed with teeth of the toothed cylinder, an installation frame is inserted into the inner wall of the installation cylinder in a limiting manner, the toothed plates are fixedly arranged on the inner wall of the installation frame, the bottom of the installation frame is fixedly connected with the drill bit, a handle is fixedly connected with the surface of the installation cylinder, the gear is driven to rotate when the shaft rod rotates, the toothed belt drives the toothed cylinder to rotate through the toothed belt, the toothed cylinder is retracted into the installation cylinder through the two toothed plates, and then the drill bit is retracted into the installation cylinder, and the safety of the device is improved.

As still further aspects of the utility model: two ends of the bidirectional screw rod extend to the outer side of the sliding frame respectively, one end of the bidirectional screw rod is fixedly connected with a motor, and a user can operate the bidirectional screw rod through the motor.

As still further aspects of the utility model: the utility model discloses a mounting bracket, including mounting bracket, guide bar, drive slide, mounting bracket and connecting rod, the equal fixedly connected with slide in both ends of mounting bracket, the confession has been seted up to the both sides outer wall of mounting bracket the spacing gliding spout of slide, the guide bar of three equidistance distribution of inner wall fixedly connected with of spout, the confession has been seted up on the surface of slide the spacing gliding perforation of guide bar drives the slide and removes along the outer wall of three guide bar when the mounting bracket removes, improves the stability that the mounting bracket removed.

As still further aspects of the utility model: the pull rod is sleeved with a spring, one end of the abutting block, which is close to the tooth inclined surface of the ratchet wheel, is of an arc surface structure, and the abutting block is convenient to reset and insert into the tooth of the ratchet wheel through the spring.

As still further aspects of the utility model: the length of the tooth cylinder is greater than that of the gear, so that the tooth cylinder can conveniently drive the two rack plates to rotate.

As still further aspects of the utility model: two symmetrically distributed positioning ribs are arranged on two sides of the gear, the positioning ribs are fixedly arranged on the outer wall of the shaft rod, grooves for limiting and inserting of the positioning ribs are formed in the surface of the connecting plate, when a user pulls the mounting cylinder through the handle, the two connecting plates drive the shaft rod to rotate through the four positioning ribs, and the shaft rod is mounted on the connecting plate conveniently by the user.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, through the cooperation of the adjusting mechanism and the containing mechanism, a user can move two drill bits to the positions needing to be symmetrically perforated, so that the steel plate can be conveniently and quickly perforated symmetrically, and the mounting cylinder is rotated upwards to change the positions of the drill bits, so that independent perforation is facilitated, and the effects of quickly and symmetrically perforating and improving the functionality of the device are achieved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model.

FIG. 2 is a schematic view of a bi-directional screw and slider structure according to the present utility model.

Fig. 3 is a schematic view of a mounting base and a shaft in the present utility model.

FIG. 4 is a schematic view of the structure of the abutment and ratchet according to the present utility model.

FIG. 5 is a schematic view of the structure of the mounting rack and the tooth cylinder according to the present utility model.

In the figure: 1. a carriage; 2. a support plate; 3. an adjusting mechanism; 301. a bidirectional screw; 302. a slide block; 303. a mounting base; 304. a shaft lever; 305. a ratchet wheel; 306. abutting blocks; 307. a pull rod; 308. a connecting plate; 309. a mounting cylinder; 310. a drill bit; 4. a storage mechanism; 401. a gear; 402. a toothed belt; 403. a tooth cylinder; 404. rack plate; 405. a mounting frame; 406. a handle; 5. a motor; 6. a slide plate; 7. a guide rod; 8. a spring; 9. positioning ribs.

Detailed Description

The following description of the embodiments of the present utility model 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 utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

Referring to fig. 1, 2, 3 and 4, the two support plates 2 are fixedly installed at two ends of the carriage 1, an adjusting mechanism 3 is arranged in the carriage 1, the adjusting mechanism 3 comprises a bidirectional screw 301 installed on the inner wall of the carriage 1, two side threads of the bidirectional screw 301 are sleeved with a sliding block 302, two symmetrically distributed installation bases 303 are fixedly connected to the bottom of the sliding block 302, a shaft rod 304 is fixedly rotated between the two installation bases 303, a ratchet 305 is fixedly connected to the outer wall of the shaft rod 304, a supporting block 306 is inserted on teeth of the ratchet 305, a slot for limiting sliding of the supporting block 306 is formed in the surface of the installation base 303, a pull rod 307 is fixedly connected to one end of the supporting block 306 away from the ratchet 305, the pull rod 307 extends to the outer side of the installation base 303, two connection plates 308 are fixedly sleeved on the outer wall of the shaft rod 304, a mounting cylinder 309 is fixedly connected between the two connection plates 308, a drill bit 310 is arranged below the mounting cylinder 309, a containing mechanism 4 is arranged in the mounting cylinder 309, a user can move the two sliding blocks 302 in opposite directions by rotating the bidirectional screw 301 so as to symmetrically drill the surface of the steel plate, the user can drive the shaft lever 304 to rotate by pushing the mounting cylinder 309 through the two connecting plates 308, when the connecting plates 308 rotate, the shaft lever 304 drives the ratchet wheel 305 to rotate, the inclined surfaces on the teeth of the ratchet wheel 305 push the abutting blocks 306 to be inserted into the slots on the mounting seat 303, so that the mounting cylinder 309 can swing upwards, after the user stops rotating the mounting cylinder 309, the abutting blocks 306 are inserted into the teeth of the ratchet wheel 305 through the pull rod 307 to abut against the straight surfaces of the teeth of the ratchet wheel 305, the mounting cylinder 309 is fixed, and therefore, the user can drill the mounting cylinder 309 by adopting a single drill bit 310, the functionality of the device is improved.

Referring to fig. 3 and 5, in the illustration, the storage mechanism 4 includes a gear 401 fixed on the outer wall of the shaft lever 304, a toothed belt 402 is engaged on teeth of the gear 401, an opening for installing the toothed belt 402 is provided at the top of the installation cylinder 309, one end of the toothed belt 402 extends to the inside of the installation cylinder 309, one end of the toothed belt 402 is engaged with a toothed cylinder 403, the toothed cylinder 403 is fixed on an inner wall of the installation cylinder 309, two symmetrically distributed toothed plates 404 are engaged on teeth of the toothed cylinder 403, an installation frame 405 is inserted in the inner wall of the installation cylinder 309 in a limited manner, the toothed plate 404 is fixed on the inner wall of the installation frame 405, the bottom of the installation frame 405 is fixedly connected with the drill bit 310, a handle 406 is fixedly connected with the surface of the installation cylinder 309, when the shaft lever 304 rotates, the gear 401 is driven to rotate by the toothed belt 402, the toothed cylinder 403 drives the toothed cylinder 403 to rotate by the toothed belt 402, the installation frame 405 is retracted into the installation cylinder 309 by the two toothed plates 404, and the drill bit 310 is retracted into the installation cylinder 309, thereby improving the safety of the device.

Principle of facilitating symmetrical punching: firstly, a user places the device above a steel plate, rotates the bidirectional screw 301 to enable the two sliding blocks 302 to move in opposite directions or opposite directions, moves the drill bit 310 to a position where punching is required, and symmetrically drills the surface of the steel plate;

when the independent punching is needed, a user pushes one of the installation cylinders 309 upwards, so that the installation cylinder 309 drives the shaft lever 304 to rotate through the two connecting plates 308, when the connecting plates 308 rotate, the shaft lever 304 is driven to rotate, the shaft lever 304 drives the ratchet wheel 305 to rotate, the inclined surfaces on the teeth of the ratchet wheel 305 push the abutting blocks 306 to be inserted into the slots on the installation base 303, so that the installation cylinder 309 can swing upwards smoothly, and after the user loosens hands, the user pushes the pull rod 307 to push the abutting blocks 306 into the teeth of the ratchet wheel 305 to abut against the straight surfaces of the teeth of the ratchet wheel 305, and the installation cylinder 309 is fixed, so that the user can drill holes by adopting the single drill bit 310, and the effect of improving the functionality of the device is achieved;

when a user pushes the mounting cylinder 309 upwards, the shaft lever 304 drives the gear 401 to rotate, the gear 401 drives the gear cylinder 403 in the mounting cylinder 309 to rotate through the toothed belt 402, and the gear cylinder 403 moves the mounting frame 405 along the inner wall of the mounting cylinder 309 through the two rack plates 404, so that the drill bit 310 is retracted into the mounting cylinder 309, and the effect of improving the safety of the device is achieved.

Example 2

Referring to fig. 2, 3 and 5, this embodiment further describes example 1, in which two ends of the bi-directional screw 301 extend to the outside of the carriage 1, and one end of the bi-directional screw 301 is fixedly connected with the motor 5.

Both ends of the mounting frame 405 are fixedly connected with a sliding plate 6, sliding grooves for limiting sliding of the sliding plate 6 are formed in the outer walls of both sides of the mounting barrel 309, three guide rods 7 distributed at equal intervals are fixedly connected to the inner walls of the sliding grooves, and perforations for limiting sliding of the guide rods 7 are formed in the surface of the sliding plate 6.

The pull rod 307 is sleeved with the spring 8, one end of the abutting block 306, which is close to the tooth inclined plane of the ratchet wheel 305, is of an arc surface structure, and the abutting block 306 is convenient to reset and insert into the tooth of the ratchet wheel 305 through the spring 8.

The length of the tooth cylinder 403 is greater than the length of the gear 401, so that the tooth cylinder 403 drives the two rack plates 404 to rotate.

In this embodiment: the user can operate the bidirectional screw 301 through the motor 5, and when the mounting frame 405 moves, the sliding plate 6 is driven to move along the outer walls of the three guide rods 7, so that the moving stability of the mounting frame 405 is improved.

Example 3

Referring to fig. 4, for further explanation of this embodiment, two symmetrically distributed positioning ribs 9 are disposed on two sides of the gear 401 in the drawing, the positioning ribs 9 are fixedly disposed on the outer wall of the shaft lever 304, and a groove for limiting and inserting the positioning ribs 9 is formed on the surface of the connecting plate 308.

In this embodiment: the purpose is that when a user pulls the mounting cylinder 309 through the handle 406, the two connecting plates 308 drive the shaft lever 304 to rotate through the four positioning ribs 9, and the shaft lever 304 is conveniently mounted on the connecting plates 308 by the user, so that the mounting and the later disassembly and maintenance are convenient.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process-method-article or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process-method-article or apparatus.

Although embodiments of the present utility model 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 to these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an adjustable drilling equipment is used in welding residual stress test, includes balladeur train (1) and two backup pads (2), its characterized in that: the two supporting plates (2) are fixedly arranged at two ends of the sliding frame (1), and an adjusting mechanism (3) is arranged in the sliding frame (1);

the adjusting mechanism (3) comprises a bidirectional screw rod (301) arranged on the inner wall of the sliding frame (1), sliding blocks (302) are sleeved on threads on two sides of the bidirectional screw rod (301), two symmetrically-distributed mounting seats (303) are fixedly connected to the bottom of each sliding block (302), a shaft rod (304) is fixedly connected between the two mounting seats (303) in a shaft fixing mode, a ratchet wheel (305) is fixedly connected to the outer wall of each shaft rod (304), a supporting block (306) is inserted on teeth of each ratchet wheel (305), a slot for limiting sliding of the supporting block (306) is formed in the surface of each mounting seat (303), a pull rod (307) is fixedly connected to one end, away from each ratchet wheel (305), of each pull rod (307) extends to the outer side of each mounting seat (303), two connecting plates (308) are fixedly sleeved on the outer wall of each shaft rod (304), a mounting cylinder (309) is fixedly connected between the two connecting plates, and a drill bit (310) is arranged below each mounting cylinder (309);

the inside of the mounting cylinder (309) is provided with a storage mechanism (4).

2. The adjustable drilling device for welding residual stress test according to claim 1, wherein: the storage mechanism (4) comprises a gear (401) fixedly arranged on the outer wall of the shaft lever (304), a toothed belt (402) is meshed on teeth of the gear (401), an opening for installing the toothed belt (402) is formed in the top of the installation barrel (309), one end of the toothed belt (402) extends to the inside of the installation barrel (309), one end of the toothed belt (402) is meshed with a toothed barrel (403), the toothed barrel (403) is fixedly arranged on the inner wall of the installation barrel (309), two symmetrically distributed toothed plates (404) are meshed on teeth of the toothed barrel (403), an installation frame (405) is spliced on the inner wall of the installation barrel (309) in a limiting mode, the toothed plates (404) are fixedly arranged on the inner wall of the installation frame (405), the bottom of the installation frame (405) is fixedly connected with the drill bit (310), and a handle (406) is fixedly connected with the surface of the installation barrel (309).

3. The adjustable drilling device for welding residual stress test according to claim 1, wherein: two ends of the bidirectional screw rod (301) extend to the outer side of the sliding frame (1) respectively, and one end of the bidirectional screw rod (301) is fixedly connected with a motor (5).

4. The adjustable drilling device for welding residual stress test according to claim 2, wherein: both ends of mounting bracket (405) are all fixedly connected with slide (6), supply is seted up to the both sides outer wall of mounting cylinder (309) slide (6) spacing gliding spout, the inner wall fixedly connected with three equidistance of spout distributes guide bar (7), supply is seted up on the surface of slide (6) guide bar (7) spacing gliding perforation.

5. The adjustable drilling device for welding residual stress test according to claim 1, wherein: the pull rod (307) is sleeved with a spring (8), and one end of the abutting block (306) close to the tooth inclined plane of the ratchet wheel (305) is of an arc surface structure.

6. The adjustable drilling device for welding residual stress test according to claim 2, wherein: the length of the tooth cylinder (403) is longer than the length of the gear (401).

7. The adjustable drilling device for welding residual stress test according to claim 2, wherein: two symmetrically distributed positioning ribs (9) are arranged on two sides of the gear (401), the positioning ribs (9) are fixedly arranged on the outer wall of the shaft lever (304), and grooves for limiting and inserting the positioning ribs (9) are formed in the surface of the connecting plate (308).