CN211991588U

CN211991588U - Device for welding crane frame

Info

Publication number: CN211991588U
Application number: CN202020313048.9U
Authority: CN
Inventors: 郭威
Original assignee: Changsha Jinwei Auto Electric Co ltd
Current assignee: Changsha Jinwei Auto Electric Co ltd
Priority date: 2020-03-13
Filing date: 2020-03-13
Publication date: 2020-11-24
Anticipated expiration: 2030-03-13

Abstract

The utility model discloses a device for welding a crane frame, which comprises a base, wherein the left side and the right side of the front end of the base are respectively provided with a left front supporting column and a right front supporting column which have the same height, a positioning rod is arranged between the upper end of the left front supporting column and the upper end of the right front supporting column, the positioning rod comprises an upper positioning surface parallel to a horizontal plane and a rear positioning surface vertical to the upper positioning surface, the left side and the right side of the front part of the base are provided with a left supporting positioning column and a right supporting positioning column which have the same height as the upper positioning surface, a clamping rod which is parallel to the positioning rod and has the height lower than the positioning rod is arranged above the front part of the base, the two end surfaces of the clamping rod respectively keep the distance with the right surface of the left supporting positioning column and the left surface of the right supporting positioning column, the left side of the rear part of the base is provided with a left outer clamping column and a left inner clamping column, the right, the left surface of the right outer clamping column and the right surface of the right inner clamping column keep a distance.

Description

Device for welding crane frame

Technical Field

The utility model belongs to the technical field of crane frame welded, concretely relates to be used for crane frame welded device.

Background

After all metal parts of the crane frame are produced, all the parts are jointed through a welding process and a welding technology to realize fixed connection forming, and the welding energy can be gas flame, electric arc and the like. The position of welding composition between each spare part of hoist frame is very important, if there is the deviation in the connection between the hoist frame spare part, will lead to this hoist frame can't accomplish the equipment.

At present, the conventional operation is that a welder assembles and welds adjacent parts, then assembles and welds the welded parts, and repeatedly operates until all parts of a crane frame are welded. In such a mode, when a welder welds in batches, the positioning difficulty coefficient of the connecting position between each part of the crane rack is large, and meanwhile, the welding precision between each part is difficult to guarantee, so that the working efficiency of the welder is low, and the product qualification rate cannot be guaranteed.

SUMMERY OF THE UTILITY MODEL

In order to solve at least one of the above technical problems, the utility model provides a be used for hoist frame welded device.

The purpose of the utility model is realized through the following technical scheme:

the utility model provides a device for welding a crane frame, which comprises a base, wherein the left side and the right side of the front end of the base are respectively provided with a left front supporting column and a right front supporting column which have the same height, a positioning rod is arranged between the upper end of the left front supporting column and the upper end of the right front supporting column, the positioning rod comprises an upper positioning surface parallel to the horizontal plane and a rear positioning surface vertical to the upper positioning surface, the left and right sides of the front part of the base are provided with a left supporting positioning column and a right supporting positioning column with the upper end surfaces as high as the upper positioning surface, a clamping rod which is parallel to the positioning rod and is lower than the positioning rod is arranged above the front part of the base, the two end surfaces of the clamping rod respectively keep a distance with the right surface of the left supporting positioning column and the left surface of the right supporting positioning column, the left side front and back dislocation at base rear portion is equipped with outer clamping column in a left side and clamping column in a left side, the right side front and back dislocation at base rear portion is equipped with outer clamping column in the right side and clamping column in the right side.

As a further improvement, two ends of the clamping rod are respectively supported and installed on the base through a left upright post and a right upright post.

As a further improvement, the upper parts of the left supporting positioning column and the right supporting positioning column are respectively provided with a left supporting positioning hole and a right supporting positioning hole.

As a further improvement, the left outer clamping positioning hole and the right outer clamping positioning hole are respectively formed in the left outer clamping column and the right outer clamping column.

As a further improvement, the device further comprises a left clamping guide rod and a right clamping guide rod, wherein one end of the left clamping guide rod is fixedly connected with the rear part of the upper end of the left outer clamping column, the other end of the left clamping guide rod is fixedly connected with the base, one end of the right clamping guide rod is fixedly connected with the rear part of the upper end of the right outer clamping column, the other end of the right clamping guide rod is fixedly connected with the base, a distance is kept between the right surface of the left clamping guide rod and the left surface of the left inner clamping column, and a distance is kept between the left surface of the right clamping guide rod and the right surface of the right inner clamping column.

As a further improvement, a left connecting rod fixedly connected is arranged between the left front supporting column and the left supporting and positioning column, and a right connecting rod fixedly connected is arranged between the right front supporting column and the right supporting and positioning column.

As a further improvement, a left inner clamping hole is formed in the left inner clamping column, and a right inner clamping hole is formed in the right inner clamping column.

The utility model provides a device for welding a crane frame, which comprises a base, wherein a left front supporting column and a right front supporting column with the same height are respectively and fixedly arranged on the left side and the right side of the front end of the base, a positioning rod is fixedly arranged between the upper end of the left front supporting column and the upper end of the right front supporting column, the positioning rod comprises an upper positioning surface parallel to the horizontal plane and a rear positioning surface vertical to the upper positioning surface, the left and right sides of the front part of the base are provided with a left supporting positioning column and a right supporting positioning column with the upper end surfaces as high as the upper positioning surface, a clamping rod which is parallel to the positioning rod and is lower than the positioning rod is arranged above the front part of the base, the two end surfaces of the clamping rod respectively keep a distance with the right surface of the left supporting positioning column and the left surface of the right supporting positioning column, the left side front and back dislocation at base rear portion is equipped with outer clamping column in a left side and clamping column in a left side, the right side front and back dislocation at base rear portion is equipped with outer clamping column in the right side and clamping column in the right side. When the utility model is used, the front board of the crane frame is firstly placed on the upper positioning surface and the rear positioning surface of the positioning rod, the rear board of the crane frame is placed on the rear end upper surface and the rear end rear surface of the rear end of the base, then the front part of the left hem of the left side board of the crane frame is placed on the upper end surface of the left support positioning column, and the front part of the side board of the left side board is clamped between the clamping rod and the left support positioning column, so that the front end of the left side board is tightly close to the front board of the crane frame, and the left side of the left side board is aligned with the left end of the front board; the left hem rear portion of left side board is placed and is pressed from both sides on the dress post outside the left side and the curb plate rear portion of left side board is pressed from both sides between the dress post and the left interior clamp post of pressing from both sides outside the left side, makes the rear end of left side board place on the back plate of crane frame and the rear end face of left side board flushes with the rear end face of back plate, and is the same, puts positioning reference left side version of crane frame right side board and places the back with each part welding of crane frame. When welding workman carries out batch welding crane frame, through the utility model discloses put the rewelding with the position location between each spare part earlier, welded position precision obtains the guarantee between each spare part, has not only improved welding workman's work efficiency and has guaranteed the product percent of pass of welding crane frame.

Drawings

The present invention is further explained by using the drawings, but the embodiments in the drawings do not constitute any limitation to the present invention, and for those skilled in the art, other drawings can be obtained according to the following drawings without any inventive work.

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of a welded crane frame structure according to the present invention.

In the figure: 1, a base; 11, the left front support column; 12, a right front support post; 13, positioning the rod; 21, a left supporting positioning column; 22, a right supporting positioning column; 31, a left outer clamping column; 32, a right outer clamping column; 41, a left upright post; 42, a right upright post; 43, clamping the rod; 51, clamping the column in the left; 52, clamping columns in the right; 61, a left connecting rod; 62, a right connecting rod; 81, a front plate; 82, a left side plate; 83, a right side plate; 84, a back plate; 85, upper right rear positioning hole; 86, lower right front positioning hole; 87, lower right rear locating hole; 131, an upper positioning surface; 132, a rear locating surface; 222, right supporting positioning holes; 322, clamping a positioning hole outside the right side; 323, clamping a guide rod on the left; 324, right clamping guide rod; 522, right inner clamping hole.

Detailed Description

In order to make the technical solutions of the present invention better understood, the following detailed description of the present invention is provided with reference to the accompanying drawings and specific embodiments, and it should be noted that the embodiments and features of the embodiments of the present invention can be combined with each other without conflict.

It should be noted that, in the present invention, directional indications (such as front, rear, upper, lower, left, and right … …) are involved, and with respect to fig. 1, the directional indications are only used to explain relative positional relationships between components, motion situations, and the like in a specific posture, and the directional indications are changed accordingly if the specific posture is changed, taking the horizontal paper surface outward as "front", the horizontal paper surface inward as "rear", the horizontal paper surface upward as "upper", the horizontal paper surface downward as "lower", the horizontal paper surface leftward as "left", and the horizontal paper surface rightward as "right".

As shown in fig. 1, the embodiment of the utility model provides a be used for hoist frame welded device, including base 1, the left and right sides of base 1 front end respectively is equipped with the left front support post 11 and the right front support post 12 of co-altitude, is equipped with locating lever 13 between the upper end of left front support post 11 and the right front support post 12, and locating lever 13 includes the last locating surface 131 parallel with the horizontal plane and reaches the back locating surface 132 with last locating surface 131 vertically. The left and right sides of the front portion of the base 1 are provided with a left support positioning column 21 and a right support positioning column 22 which are as high as the upper end face and the upper positioning face 131, a left connecting rod 61 fixedly connected is arranged between the left front support column 11 and the left support positioning column 21, a right connecting rod 62 fixedly connected is arranged between the right front support column 12 and the right support positioning column 22, and the left connecting rod 61 and the right connecting rod 62 are connected with each other and are firmer. A clamping rod 43 parallel to the positioning rod 13 and lower than the positioning rod 13 is arranged above the front part of the base 1, two ends of the clamping rod 43 are respectively supported and installed on the base 1 through a left upright column 41 and a right upright column 42, and two end surfaces of the clamping rod 43 are respectively kept at a distance from the right surface of the left supporting positioning column 21 and the left surface of the right supporting positioning column 22. The left side of the rear part of the base 1 is provided with a left outer clamping column 31 and a left inner clamping column 51 in a front-back staggered manner, the right side of the left outer clamping column 31 keeps a distance with the left side of the left inner clamping column 51, the right side of the left outer clamping column 31 and the right side of the left support positioning column 21 are on the same plane, and the left side of the left inner clamping column 51 and the left end face of the clamping rod 43 are on the same plane. The right outer clamping column 32 and the right inner clamping column 52 are arranged on the right side of the rear part of the base 1 in a front-back staggered mode, the left surface of the right outer clamping column 32 and the right surface of the right inner clamping column 52 keep a distance from the left surface of the right outer clamping column 32 to the left surface of the right support positioning column 22 on the same plane, and the right surface of the right inner clamping column 52 and the right end surface of the clamping rod 43 are on the same plane.

When the utility model is used, the front plate 81 of the crane frame is firstly clamped on the upper positioning surface 131 and the rear positioning surface 132 of the positioning rod 13, the rear plate 84 of the crane frame is clamped on the rear end upper surface and the rear end rear surface of the rear end of the base 1, then the front part of the left hem of the left side plate 82 of the crane frame is placed on the upper end surface of the left supporting positioning column 21, the front part of the side plate of the left side plate 82 is clamped between the clamping rod 43 and the left supporting positioning column 21, the front end of the left side plate 82 is tightly close to the front plate 81, and the left side of the left side plate 82 is aligned with the left end of the front plate 81; the rear part of the left folded edge of the left side plate 82 is placed on the left outer clamping column 31, and the rear part of the side plate of the left side plate 82 is clamped between the left outer clamping column 31 and the left inner clamping column 51, so that the rear end of the left side plate 82 is placed on the rear plate 84, and the rear end surface of the left side plate 82 is flush with the rear end surface of the rear plate 84. Similarly, the front part of the right folded edge of the right side plate 83 of the crane frame is placed on the upper end surface of the right support positioning column 22, and the front part of the side plate 83 is clamped between the clamping rod 43 and the right support positioning column 22, so that the front end of the right side plate 83 is close to the front plate 81 and the right side of the right side plate 83 is aligned with the right end of the front plate 81; the right folded rear portion of the right side plate 83 is placed on the right outer clamping column 32 and the side plate rear portion of the right side plate 83 is clamped between the right outer clamping column 32 and the right inner clamping column 52, so that the rear end of the right side plate 83 is placed on the rear plate 84 and the rear end face of the right side plate 83 is flush with the rear end face of the rear plate 84. Then, the parts of the crane frame placed and positioned are welded, and the crane frame welded by the embodiment is shown in fig. 2.

In a further preferred embodiment, the upper portions of the left support positioning column 21 and the right support positioning column 22 are respectively provided with a left support positioning hole and a right support positioning hole 222, the upper end of the front portion of the left side plate 82 is provided with a left upper front positioning hole and a left upper rear positioning hole, and when in use, the bolt passes through the left support positioning hole and the left upper rear positioning hole of the left side plate 82, so as to better position the front portion of the left side plate 82. The upper end of the front portion of the right side plate 83 is provided with a right upper front positioning hole and a right upper rear positioning hole 85, and when the positioning device is used, a bolt penetrates through the right support positioning hole 222 and the right upper rear positioning hole 85 of the right side plate 83, so that the front portion of the right side plate 83 is positioned better.

In a further preferred embodiment, the left outer clamping positioning hole and the right outer clamping positioning hole 322 are formed in the upper portions of the left outer clamping column 31 and the right outer clamping column 32, the left lower front positioning hole and the left lower rear positioning hole are formed in the lower end of the rear portion of the left side plate 82, and when the left outer clamping positioning hole and the left lower front positioning hole are used, the bolt is inserted through the left outer clamping positioning hole and the left lower front positioning hole of the left side plate 82, and the bolt is inserted through the left inner clamping positioning hole and the left lower rear positioning hole of the left side plate 82, so that the rear portion of the left side plate 82 is positioned better. The lower extreme at right side board 83 rear portion is equipped with lower right front location hole 86 and lower right rear location hole 87, and during the use, passes outer clamping locating hole 322 of right side and the lower right front location hole 86 of right side board 83 with the bolt, passes right inner clamping locating hole 522 and the lower right rear location hole 87 of right side board 83 with the bolt, better location right side board 83's rear portion position.

In a more preferred embodiment, the clamp device further includes a left clamp guide bar 323 and a right clamp guide bar 324, one end of the left clamp guide bar 323 is fixedly connected to the rear portion of the upper end of the left outer clamping column 31, the other end is fixedly connected to the base 1, one end of the right clamp guide bar 324 is fixedly connected to the rear portion of the upper end of the right outer clamping column 32, the other end is fixedly connected to the base 1, the distance is maintained between the right surface of the left clamp guide bar 323 and the left surface of the left inner clamping column 51, and the distance is maintained between the left surface of the right clamp guide bar 324 and the right surface of the right inner clamping column 52. Because the left outer clamping column 31 and the left inner clamping column 51 are spaced from each other in the front-back direction, when the left side plate 82 is placed, the left clamping guide rod 323 can guide the left side plate 82 to be better clamped between the left outer clamping column 31 and the left inner clamping column 51; the right clip guide rod 324 can guide the right side plate 83 to be better clipped between the right outer clip post 32 and the right inner clip post 52 when the right side plate 83 is placed.

In a more preferred embodiment, a left inner clamping hole is provided in the upper portion of the left inner clamping column 51, and a right inner clamping hole 522 is provided in the upper portion of the right inner clamping column 52. A bolt penetrates through the left inner clamping hole and a left lower rear positioning hole of the left side plate 82, so that the rear position of the left side plate 82 is positioned better; the latch is inserted through the right inner clamping hole 522 and the right lower rear positioning hole 87 of the right side plate 83 to better position the rear portion of the right side plate 83.

In the description above, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore should not be construed as limiting the scope of the invention.

In conclusion, although the present invention has been described with reference to the preferred embodiments, it should be noted that, although various changes and modifications can be made by those skilled in the art, unless such changes and modifications depart from the scope of the present invention, they should be construed as being included therein.

Claims

1. The device for welding the crane frame is characterized by comprising a base (1), wherein a left front supporting column (11) and a right front supporting column (12) which are the same in height are arranged on the left side and the right side of the front end of the base (1), a positioning rod (13) is arranged between the upper end of the left front supporting column (11) and the upper end of the right front supporting column (12), the positioning rod (13) comprises an upper positioning surface (131) parallel to a horizontal plane and a rear positioning surface (132) perpendicular to the upper positioning surface (131), a left supporting positioning column (21) and a right supporting positioning column (22) which are as high as the upper positioning surface (131) are arranged on the left side and the right side of the front portion of the base (1), a clamping rod (43) which is parallel to the positioning rod (13) and is lower than the positioning rod (13) in height is arranged above the front portion of the base (1), and two end surfaces of the clamping rod (43) are respectively connected with, The left side of the right supporting positioning column (22) keeps a distance, a left outer clamping column (31) and a left inner clamping column (51) are arranged on the left side of the rear portion of the base (1) in a front-back staggered mode, and a right outer clamping column (32) and a right inner clamping column (52) are arranged on the right side of the rear portion of the base (1) in a front-back staggered mode.

2. A device for welding a crane frame according to claim 1, characterized in that the clamping bar (43) is supported and mounted on the base (1) at both ends by a left upright (41) and a right upright (42), respectively.

3. The device for welding the frame of the crane as claimed in claim 1, wherein the upper parts of the left support positioning column (21) and the right support positioning column (22) are respectively provided with a left support positioning hole and a right support positioning hole (222).

4. The device for welding the crane frame according to claim 1, wherein the left outer clamping column (31) and the right outer clamping column (32) are respectively provided with a left outer clamping positioning hole and a right outer clamping positioning hole (322).

5. The device for welding the crane frame according to claim 4, further comprising a left clamping guide rod (323) and a right clamping guide rod (324), wherein one end of the left clamping guide rod (323) is fixedly connected with the rear part of the upper end of the left outer clamping column (31), the other end of the left clamping guide rod is fixedly connected with the base (1), one end of the right clamping guide rod (324) is fixedly connected with the rear part of the upper end of the right outer clamping column (32), the other end of the right clamping guide rod is fixedly connected with the base (1), the right surface of the left clamping guide rod (323) is spaced from the left surface of the left inner clamping column (51), and the left surface of the right clamping guide rod (324) is spaced from the right surface of the right inner clamping column (52).

6. A device for welding of crane frames according to any of claims 1 to 5, characterized in that a left connecting rod (61) is fixedly connected between the left front supporting column (11) and the left supporting and positioning column (21), and a right connecting rod (62) is fixedly connected between the right front supporting column (12) and the right supporting and positioning column (22).

7. The device for welding the frame of the crane as claimed in claim 6, wherein the left inner clamping column (51) is provided with a left inner clamping hole, and the right inner clamping column (52) is provided with a right inner clamping hole (522).