CN215942729U

CN215942729U - Large positioning arm for blade web positioning tool

Info

Publication number: CN215942729U
Application number: CN202122431067.9U
Authority: CN
Inventors: 李生庆
Original assignee: Shanghai Xinqing Machinery Co ltd
Current assignee: Shanghai Xinqing Machinery Co ltd
Priority date: 2021-10-09
Filing date: 2021-10-09
Publication date: 2022-03-04
Anticipated expiration: 2031-10-09

Abstract

The utility model relates to a positioning large arm for a blade web positioning tool, which is installed on a main steel frame of the blade web positioning tool in pairs, and comprises a large arm steel frame which is rotatably fixed on the main steel frame between an unfolding support position and a folding storage position, and a telescopic positioning arm which comprises a positioning jacking device, a three-way adjustable leg seat and a large arm base, wherein the upper end of the three-way adjustable leg seat is provided with a jacking butt joint base, the positioning jacking device is installed on the large arm steel frame and is provided with a telescopic ejector rod, and the telescopic ejector rod is received on the jacking butt joint base and can telescopically move between a downward extending position and an upward retracting position. The telescopic positioning arm can be extended or shortened by means of the positioning jacking device, is high in strength, impact-resistant and good in stability, and can be adjusted in the vertical, front-back and left-right directions by means of the three-way adjustable leg seat.

Description

Large positioning arm for blade web positioning tool

The technical field is as follows:

the utility model relates to the technical field of wind power generation, in particular to a large positioning arm for a blade web positioning tool.

Background art:

with the development of wind power generation technology, higher and higher requirements are put forward on the strength, the assembly efficiency and the like of the wind power blade. In the manufacturing process of the wind power blade, a web plate needs to be installed on each blade to improve the stress strength of the blade, and related positioning tools are needed to assemble the web plate on the blade to assist installation. The positioning tool uses the positioning large arm for positioning, the design of the positioning large arm is very critical, and whether the positioning of the whole tool is convenient and accurate is directly determined.

The utility model has the following contents:

therefore, the utility model provides the large positioning arm for the blade web positioning tool, which is convenient to use, easy to position and adjust and accurate.

In order to achieve the above purpose, the present invention provides a positioning boom for a blade web positioning tool, which is installed in pairs on a main steel frame of the blade web positioning tool, wherein the positioning boom comprises a boom steel frame and a telescopic positioning arm, wherein the boom steel frame is rotatably installed on the main steel frame between an expanded supporting position and a furled storage position, the telescopic positioning arm comprises a positioning jacking device, a three-way adjustable leg base and a boom base, the positioning jacking device is installed on the boom steel frame and has a telescopic ejector rod capable of moving between a downward extending position and an upward retracting position, and the three-way adjustable leg base comprises a jacking abutting base located at the upper end of the positioning jacking base to receive and support the telescopic ejector rod.

In the utility model, because the positioning jacking device is arranged on the large-arm steel frame and the telescopic ejector rod of the positioning jacking device is received on the jacking butt joint base of the three-way adjustable leg base, when the telescopic ejector rod moves from an upward retracted position to a downward extended position, the telescopic positioning arm is lengthened (namely, the telescopic positioning arm is heightened relative to the ground), so that the main body steel frame of the whole tool can move upwards; when the telescopic ejector rod moves from the downward extending position to the upward retracting position, the telescopic positioning arm is shortened (namely, the telescopic positioning arm is shortened relative to the ground), so that the main steel frame of the whole tool can move downwards; through the upward and downward adjustment, the blade web positioning tool applying the large positioning arm can position the blade web at the proper height; and moreover, the length adjustment of the telescopic positioning arm is carried out through the positioning jacking device, so that the stability is good, the strength is high, and the impact resistance is high. And the three-way adjustable leg seat can adjust the position of the jacking butt joint base in the front-back direction, the up-down direction and the left-right direction so as to accurately receive the telescopic ejector rod. In addition, the large arm base is arranged so that the positioning large arm can be fixed on two sides of the blade production mold through the large arm base.

Furthermore, the positioning jacking device comprises an electric cylinder mounting seat fixed on the large-arm steel frame, an electric cylinder with a telescopic ejector rod and a servo motor in driving connection with the electric cylinder, wherein a guide stress seat is further arranged on the electric cylinder mounting seat, and the telescopic ejector rod penetrates through the guide stress seat to be mounted.

Through the structure, the telescopic positioning arm is very convenient to lengthen and shorten, and is safe and reliable to use.

Still further, the three-way adjustable leg seat comprises a jacking butt joint base, a mounting base, a connecting base and connecting legs from top to bottom in sequence, wherein the jacking butt joint base is mounted on the mounting base in a front-back adjustable mode, the mounting base is mounted on the connecting base in an up-down adjustable mode, the connecting base is mounted on the connecting legs in a left-right adjustable mode, and the connecting legs are fixed on the large arm base.

Through the structure, the position of the jacking butt joint base can be adjusted from the front and back direction, the up and down direction and the left and right direction.

Still further, a front-back adjusting waist-shaped hole is formed in the mounting base, and the jacking butt joint base is mounted on the mounting base in a front-back adjustable mode by means of a bolt which penetrates through the front-back adjusting waist-shaped hole and is screwed to the front-back adjusting waist-shaped hole; the mounting base is also provided with a height adjusting bolt, and the connecting base is provided with a bolt receiving seat matched with the height adjusting bolt; the connecting supporting legs are provided with left and right adjusting waist-shaped holes, and the connecting base is arranged on the connecting supporting legs in a left and right adjustable mode by means of bolts which penetrate through the left and right adjusting waist-shaped holes and are screwed on the connecting base.

Through the structure, the position of the jacking butt joint base can be adjusted from the front and back, the upper and lower directions and the left and right directions very conveniently through the position of the adjusting bolt, so that the ejector rod is better jointed.

Still further, the three-way adjustable leg base further comprises a height limiting device, the height limiting device comprises a limiting bolt and a limiting through hole located on the connecting base, the limiting through hole is arranged to extend horizontally and communicated with the bolt receiving base, and the limiting bolt is suitable for penetrating through the limiting through hole to abut against the height adjusting bolt in the radial direction.

Through the structure, the height adjustment and the height stability of the height adjusting bolt can be realized by loosening and screwing the limiting bolt. Still further, the height adjusting bolt is also provided with an adjusting nut matched with the height adjusting bolt, and the adjusting nut is positioned above the mounting base; the bottom of jacking butt joint base is provided with nut holding chamber corresponding to adjusting nut.

Through the structural arrangement, when the height adjusting bolt is adjusted to a certain height position, the height adjusting bolt can be fastened through the adjusting nut, so that the position maintaining degree of the height adjusting bolt is further ensured.

Still further, the terminal of scalable ejector pin is equipped with the locating pin, is provided with the locating pin seat with this locating pin adaptation on the jacking butt joint base.

Through the structure, the coordination and positioning of the telescopic ejector rod and the jacking butt joint base are more reliable.

Still further, the large arm base is in the form of a tripod and has a mounting base plate on which a left-right adjustment kidney-shaped hole is provided.

Through the structure, the supporting capacity of the large arm base is enhanced, and meanwhile, due to the arrangement of the left and right adjusting waist-shaped holes on the large arm base, the positioning of the large arm base on two sides of the blade web production die can be adjusted, and the positioning of the whole positioning large arm can be flexibly adjusted.

Still further, the large arm steel frame is rotatably fixed to the main body steel frame at the inner side thereof close to the main body steel frame via a rotary mounting assembly, the rotary mounting assembly includes an upper rotary mounting seat and a lower rotary mounting seat fixed to the main body steel frame, and a long rotary shaft fixed to the large arm steel frame, and the long rotary shaft is rotatably mounted in the upper rotary mounting seat and the lower rotary mounting seat at the upper end and the lower end thereof, respectively.

Through the structural arrangement, the large arm steel frame for positioning the large arm can be easily and smoothly switched between the unfolding support position and the folding storage position.

Still further, the positioning large arm for the blade web positioning tool further comprises an expansion positioning device for positioning the large arm steel frame at an expansion supporting position, wherein the expansion positioning device comprises a triangular bracket arranged on the main body steel frame, a spring pin mounting seat arranged on the triangular bracket, an expansion positioning seat arranged on the large arm steel frame and a spring pin for fixing the expansion positioning seat and the spring pin mounting seat together.

Through the structure, when the positioning large arm is located at the unfolding supporting position, the large arm steel frame can be fixed relative to the main body steel frame through the spring pin, so that the positioning large arm can be stably located at the position as the support of the whole tool. These and other aspects of the utility model are apparent from and will be elucidated with reference to the embodiments described hereinafter.

Description of the drawings:

the structure of the utility model, together with further objects and advantages thereof, will best be understood from the following description taken in conjunction with the accompanying drawings, in which like reference characters identify like elements:

FIG. 1 is a schematic perspective view of a positioning boom for a blade web positioning tool according to an embodiment of the utility model;

FIG. 2 is a schematic perspective view of a portion of the entire blade web positioning tool used by the large positioning arm for the blade web positioning tool shown in FIG. 1;

FIG. 3 is a schematic perspective view of the telescopic positioning arm of the large positioning arm for the blade web positioning tool shown in FIG. 1 in a working and positioning state;

FIG. 4 is a schematic perspective view of the telescopic positioning arm of the large positioning arm for the blade web positioning tool shown in FIG. 1 in an unloaded position;

FIG. 5 is a schematic perspective view of the positioning and jacking device of the telescopic positioning arm shown in FIG. 3;

FIG. 6 is a perspective view of the three adjustable leg rests of the telescoping positioning arm of FIG. 3;

FIG. 7 is an exploded perspective view of the three-way adjustable leg rest of FIG. 6;

FIG. 8 is an exploded isometric view of another angle of the three-way adjustable leg rest of FIG. 6;

fig. 9 is an enlarged perspective view of the positioning device of the positioning arm for the blade web positioning tool shown in fig. 1.

The specific implementation mode is as follows:

the following description of the embodiments of the present invention will be made with reference to the accompanying drawings.

As shown in fig. 1 and 2, the positioning large arms 3 for the blade web positioning tool according to one embodiment of the present invention are mounted on the main steel frame 1 of the blade positioning web tool 100 in pairs. For clarity of the drawing, fig. 2 shows only one pair of positioning large arms 3 on the front side thereof, while the sucker arms 5 of the blade positioning web tooling 100 are not shown in pairs in fig. 1, and only the sucker arm 5 on the right side of the main body steel frame 1 is shown.

As shown in fig. 1 and 2, and with reference to fig. 3 and 4, each positioning boom 3 comprises a boom steel frame 30 and a telescoping positioning arm 32. The boom frame 30 is configured and adapted to be pivotally secured to the main frame 1 between an extended support position (see FIG. 1) and a collapsed storage position (not shown). The telescopic positioning arm 32 comprises a positioning jacking device 2, a three-way adjustable leg base 34 and a boom base 36. As shown in fig. 2 to 4, the positioning jacking device 2 is mounted on a boom steel frame 30 and has a telescopic jacking rod 21 movable between a downwardly extended position and an upwardly retracted position, and a three-way adjustable leg base 34 includes a jacking abutment base 31 at its upper end to receive and support the telescopic jacking rod 21.

In the utility model, since the positioning jacking device 2 is installed on the boom steel frame 30 and the telescopic ejector rod 21 thereof is received on the jacking butt joint base 31 of the three-way adjustable leg seat 34, when the telescopic ejector rod 21 moves from an upward retracted position to a downward extended position, the whole telescopic positioning arm 32 of the positioning boom 3 becomes long (i.e. becomes high relative to the ground), and the main body steel frame 1 moves upwards with the sucker arm 5; when the telescopic ejector rod 21 moves from the downward extending position to the upward retracting position, the telescopic positioning arm 32 shortens (i.e. becomes short relative to the ground), and the main body steel frame 1 carries the sucker arm 5 to move downwards; by such upward and downward adjustment of the suction cup arm 5, the suction cup arm 5 is enabled to suction-position a blade web (not shown) at an appropriate height; moreover, the length adjustment of the telescopic positioning arm 32 is carried out through the positioning jacking device 2, so that the stability is good, the strength is high, and the impact resistance is high. Also, the three-way adjustable leg base 34 is provided to adjust the position of the jacking-up docking base in three directions of front and back, up and down, and left and right, so as to accurately receive the telescopic prop. In addition, the boom base 36 is configured such that the three-way adjustable leg base 34 is fixed to both sides of a blade production mold (not shown) through the three-way adjustable leg base.

It should be noted that the large arm base 36 is configured in a tripod form and is provided with a plurality of left-right adjustment kidney-shaped holes 360 for adjusting the installation position thereof on the blade web production mold, so as to meet the position adjustment within an error range.

As shown in fig. 5 and referring to fig. 1, the positioning and jacking device 2 includes an electric cylinder 20 having a telescopic prop 21, an electric cylinder mounting seat 22 fixed on a large arm steel frame 30, and a servo motor 24 in driving connection with the electric cylinder 20, wherein the electric cylinder mounting seat 22 is further provided with a guiding force-receiving seat 26 for the telescopic prop 21 to pass through. In addition, in the present embodiment, as shown in fig. 5 and 6, the retractable top bar 21 has a positioning pin 210 at the end thereof, the jacking-up docking base 31 is provided with a positioning pin seat 310 adapted to the positioning pin 210, and when the positioning arm 3 is in the positioning state shown in fig. 3, the positioning pin 210 rides on the positioning pin seat 310 of the jacking-up docking base 31. Through the structural arrangement, the telescopic positioning arm 32 is very convenient to lengthen and shorten, and is safe and reliable to use.

As shown in fig. 5, 6 and 7, and referring to fig. 1 to 4, the three-way adjustable leg base 34 includes, from top to bottom, a jacking docking base 31, a mounting base 33, a connecting base 35 and connecting legs 37, wherein the jacking docking base 31 is adjustably mounted on the mounting base 33 in a front-back direction, the mounting base 33 is adjustably mounted on the connecting base 35 in an up-down direction, the connecting base 35 is adjustably mounted on the connecting legs 37 in a left-right direction, and the connecting legs 37 are fixed on the boom base 36.

Specifically, as shown in fig. 6, and referring to fig. 5 and 7, in the present embodiment, a front-rear adjustment waist-shaped hole 331 is provided on the mounting base 33, and the jacking docking base 31 is mounted on the mounting base 33 front-rear adjustably by means of a bolt (not shown) that is screwed onto it through the front-rear adjustment waist-shaped hole 331; the mounting base 33 is also provided with a height adjusting bolt 335, and the connecting base 35 is provided with a bolt receiving seat 355 which is matched with the height adjusting bolt 335; the connecting leg 37 is provided with a left-right adjustment waist-shaped hole 375, and the connecting base 35 is left-right adjustably mounted on the connecting leg 37 by means of a bolt 377 screwed thereto through the left-right adjustment waist-shaped hole 375.

The three-way adjustable leg mount 34 further comprises a height limiting means comprising a limiting bolt 337 and a limiting through hole 357 in the connection base 35, the limiting through hole 357 being disposed to extend horizontally and communicating with the bolt receiving seat 355, the limiting bolt 337 being adapted to radially abut the height adjusting bolt 335 through the limiting through hole 357. When the height-adjusting bolt 335 is adjusted to a certain height, the stop 337 is screwed inward through the stop hole 357 to abut against the height-adjusting bolt 335. It should be noted that the bottom of the mounting base 33 is also provided with a bolt storage seat 332, and the limiting bolt 337 can be stored in the bolt storage seat 332 when not in operation. Through the structure, the position of the jacking butt joint base 31 can be adjusted conveniently in the front-back direction, the up-down direction and the left-right direction, and the height adjusting bolt 335 can be limited through the limiting part 337.

In addition, as shown in fig. 7 and 8, in the present embodiment, the height adjusting bolt 335 is further provided with an adjusting nut 334 adapted thereto, the adjusting nut 334 is located above the mounting base 33, and the bottom of the jacking docking base 31 is provided with a nut accommodating cavity 314 corresponding to the adjusting nut 334. With this structural arrangement, when the height-adjusting bolt 335 is adjusted to a certain height position, it can also be fastened by the adjusting nut 334, thereby further ensuring the positional retention of the height-adjusting bolt 335.

It should be noted that, when the positioning boom 3 is used, the boom base 36 of the retractable positioning arm 32 is first fixed on the ground on both sides of the web mold, the three-way adjustable leg seat 34 is adjusted in three directions to make the compound position thereof be required, the retractable push rod 21 of the lower positioning jacking device 2 is positioned by the rest of the tooling during the transportation of the crane, at this time, the retractable push rod 21 is not received on the three-way adjustable leg seat 34, as shown in fig. 4, when the retractable push rod 21 is aligned with and received in the jacking butt joint base 31 of the three-way adjustable leg seat 34, the crane lowers the tooling, and at this time, the extending or retracting length of the retractable push rod 21 of the positioning jacking device 2 is adjusted, so as to adjust the height of the positioning boom 3 to suit the size of the web.

As shown in fig. 1, and referring to fig. 2, in the present embodiment, the large arm steel frame 30 is rotatably fixed to the main body steel frame 1 via a rotation mounting assembly 4 at the inner side thereof close to the main body steel frame 1, the rotation mounting assembly 4 includes an upper rotation mounting seat 40 and a lower rotation mounting seat 42 fixed to the main body steel frame 1, and a long rotating shaft 41 fixed to the large arm steel frame 30, and the long rotating shaft 41 is rotatably mounted at the upper end and the lower end thereof in the upper rotation mounting seat 40 and the lower rotation mounting seat 42, respectively. With this structural arrangement, the large arm steel frame 30 that positions the large arms 3 is easily and smoothly switched between the expanded support position and the collapsed storage position. The rotation mounting assembly 4 further includes a bearing (not shown) installed in a bearing installation hole (not shown) integrally formed with the upper rotation installation seat 40 and the lower rotation installation seat 42, respectively, and fitted around the long rotation shaft 41, and a dust cap (not shown) installed outside the bearing installation hole.

As shown in fig. 9 and referring to fig. 1, in the present embodiment, the positioning large arm 3 further includes a spread positioning device 6 for positioning the large arm steel frame 30 at the spread support position, and the spread positioning device 6 includes a triangular bracket 61 mounted on the main body steel frame 1, a spring pin mounting seat 63 mounted on the triangular bracket 61, a spread positioning seat 65 mounted on the large arm steel frame 30, and a spring pin 67 for fixing the spread positioning seat 65 and the spring pin mounting seat 63 together. Through the structure, when the positioning large arm 3 is located at the unfolding supporting position, the large arm steel frame 30 can be fixed relative to the main body steel frame 1 through the spring pin 67, so that the positioning large arm 3 can be stably located at the position as the support of the whole tool. It should be noted that although only the positioning device for unfolding is mentioned in the unfolding support position, it should be understood that in the folded storage position, a similar positioning device can be used to position the folded boom steel frame 30 so as to avoid the positioning device from being able to be positioned and swayed when the boom steel frame is not in the storage state.

While the utility model has been described with respect to the foregoing technical disclosure and features, it will be understood that various changes and modifications in the above structure, including combinations of features disclosed herein either individually or as claimed, and obviously including other combinations of such features, may be resorted to by those skilled in the art, without departing from the spirit of the utility model. Such variations and/or combinations are within the skill of the art to which the utility model pertains and are within the scope of the following claims.

Claims

1. The utility model provides a big arm of location for blade web location frock, its is installed in pairs on the main part steelframe of blade web location frock, its characterized in that, should fix a position big arm and include

The large arm steel frame is arranged to be suitable for being rotatably arranged on the main body steel frame between an unfolding supporting position and a folding storage position, the telescopic positioning arm comprises a positioning jacking device, a three-way adjustable leg seat and a large arm base, the positioning jacking device is arranged on the large arm steel frame and is provided with a telescopic ejector rod capable of moving between a downward extending position and an upward retracting position, and the three-way adjustable leg seat comprises a jacking butt joint base which is positioned at the upper end of the three-way adjustable leg seat and is used for receiving and supporting the telescopic ejector rod.

2. The large positioning arm for the blade web positioning tool according to claim 1, wherein the positioning jacking device comprises an electric cylinder mounting seat, an electric cylinder and a servo motor, wherein the electric cylinder mounting seat is fixed on the large arm steel frame, a guide stress seat is further arranged on the electric cylinder mounting seat, the electric cylinder is provided with the telescopic ejector rod, the telescopic ejector rod penetrates through the guide stress seat to be mounted, and the servo motor is in driving connection with the electric cylinder.

3. The blade web positioning tool positioning boom as claimed in claim 1, wherein the three-way adjustable leg base comprises the jacking butt joint base, a mounting base, a connecting base and connecting legs in sequence from top to bottom, wherein the jacking butt joint base is adjustably mounted on the mounting base in a front-back direction, the mounting base is adjustably mounted on the connecting base in an up-down direction, the connecting base is adjustably mounted on the connecting legs in a left-right direction, and the connecting legs are fixed on the boom base.

4. The positioning large arm for the blade web positioning tool according to claim 3, wherein a front-back adjusting waist-shaped hole is formed in the mounting base, and the jacking butt joint base is mounted on the mounting base in a front-back adjustable manner by means of a bolt which penetrates through the front-back adjusting waist-shaped hole and is screwed onto the jacking butt joint base; the mounting base is also provided with a height adjusting bolt, and the connecting base is provided with a bolt receiving seat matched with the height adjusting bolt; the left-right adjusting waist-shaped hole is formed in the connecting supporting leg, and the connecting base is adjustably installed on the connecting supporting leg left and right by means of a bolt which penetrates through the left-right adjusting waist-shaped hole and is screwed on the connecting base.

5. The positioning boom for the blade web positioning tool according to claim 4, wherein the three-way adjustable leg base further comprises a height limiting device, the height limiting device comprises a limiting bolt and a limiting through hole located on the connecting base, the limiting through hole is horizontally arranged to extend and is communicated with the bolt receiving base, and the limiting bolt is suitable for being in radial abutment with the height adjusting bolt through the limiting through hole.

6. The positioning large arm for the blade web positioning tool according to claim 5, wherein the height adjusting bolt is further provided with an adjusting nut adapted to the height adjusting bolt, and the adjusting nut is located above the mounting base; the bottom of jacking butt joint base is provided with nut holding chamber corresponding to adjusting nut.

7. The large positioning arm for the blade web positioning tool according to any one of claims 1 to 6, wherein a positioning pin is mounted at the tail end of the telescopic ejector rod, and a positioning pin seat adapted to the positioning pin is arranged on the jacking butt joint base.

8. The blade web positioning tool positioning large arm as claimed in any one of claims 1 to 6, wherein the large arm base is in a tripod form and has a mounting base plate, and a left-right adjustment kidney-shaped hole is formed in the mounting base plate.

9. The blade web positioning tool positioning boom of any one of claims 1 to 6, wherein the boom steel frame is rotatably fixed to the main body steel frame at the inner side thereof close to the main body steel frame via a rotary mounting assembly, the rotary mounting assembly comprises an upper rotary mounting seat and a lower rotary mounting seat fixed to the main body steel frame, and a long rotating shaft fixed to the boom steel frame, and the long rotating shaft is rotatably mounted at the upper end and the lower end thereof in the upper rotary mounting seat and the lower rotary mounting seat, respectively.

10. The large positioning arm for the blade web positioning tool according to claim 9, further comprising an unfolding positioning device for positioning the large arm steel frame at the unfolding supporting position, wherein the unfolding positioning device comprises a triangular bracket installed on the main body steel frame, a spring pin installation seat installed on the triangular bracket, an unfolding positioning seat installed on the large arm steel frame, and a spring pin for fixing the unfolding positioning seat and the spring pin installation seat together.