CN213162641U

CN213162641U - Stamping device for connecting opening of support rod of bridge girder erection machine

Info

Publication number: CN213162641U
Application number: CN202120651487.5U
Authority: CN
Inventors: 付梓皓
Original assignee: Henan Zhongyuan Aoqi Industrial Co ltd
Current assignee: Henan Zhongyuan Aoqi Industrial Co ltd
Priority date: 2021-03-31
Filing date: 2021-03-31
Publication date: 2021-05-11
Anticipated expiration: 2031-03-31

Abstract

The utility model relates to a bridge girder erection machine bracing piece connection opening stamping device, including cargo platform, stand, roof, hydraulic cylinder and upper die base, cargo platform top surface rigid coupling has the support base, be connected with the die holder on the support base, die holder one side is located the upper die base below, the die holder includes the stamping platform, stamping platform and support base can dismantle fixed connection, one side rigid coupling that the upper die base was kept away from to the stamping platform top surface has articulated piece, articulated piece is close to one side opening of upper die base and is provided with the articulated shaft in the opening, the articulated shaft is overlapped and is equipped with L type punching press die holder, the vertical piece cover of L type punching press die holder is on the articulated shaft, the horizontal piece of L type punching press die holder extends outwards and horizontal piece bottom surface and stamping platform butt, be connected with the punching press tongue piece on the horizontal piece top surface of L type punching press die holder, punching press tongue piece is located under the upper, the upper die base is provided with the convex die core corresponding to the strip-shaped groove, so that the time can be saved, the efficiency is high, and the cost is low.

Description

Stamping device for connecting opening of support rod of bridge girder erection machine

Technical Field

The utility model belongs to the technical field of the bridge crane manufacture equipment, especially, relate to an open-ended stamping device is connected to bridge crane bracing piece.

Background

Fig. 4 shows a schematic structural diagram of a support rod of a conventional bridge girder erection machine, that is, the support rod of the bridge girder erection machine is a square tube, and the support rod is inclined when being connected to the bridge girder erection machine, so that two ends of the support rod are beveled edges, and strip-shaped connection openings need to be formed at two ends of the support rod.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a bridge crane bracing piece connection opening's stamping device solves at present when offering the connection opening on the bridge crane bracing piece, because of adopting laser cutting with high costs and the long, inefficient problem of cutting time.

In order to solve the problem, the utility model discloses the technical scheme who takes:

the utility model provides an open-ended stamping device is connected to bridge crane bracing piece, includes cargo platform, the equal vertical stand that is provided with in cargo platform top surface four corners, horizontal rigid coupling has the roof between the stand top, roof bottom surface rigid coupling has the hydraulic cylinder of vertical distribution, hydraulic cylinder piston rod bottom is provided with upper die base, its characterized in that: the top surface of the loading platform is horizontally and fixedly connected with a supporting base, a lower die base is detachably and fixedly connected onto the supporting base, one side of the lower die base is positioned below the upper die base, the lower die base comprises a stamping platform, the stamping platform is detachably and fixedly connected with the supporting base, a hinging block is fixedly connected onto one side, far away from the upper die base, of the top surface of the stamping platform, the hinging block is close to one side opening of the upper die base, a hinging shaft is arranged in the opening, an L-shaped stamping die base is sleeved on the hinging shaft, a vertical block of the L-shaped stamping die base is sleeved on the hinging shaft, a transverse block of the L-shaped stamping die base extends outwards, the bottom surface of the transverse block is abutted against the stamping platform, a stamping tongue block is detachably and fixedly connected onto the top surface of the transverse block of the L-shaped stamping die base, the stamping tongue block is positioned under the, and the bottom surface of the upper die base is provided with a convex die core corresponding to the strip-shaped groove.

Furthermore, a counter bore groove is formed in the top surface, close to one end of the hinge block, of the stamping tongue block, and is communicated with the bar-shaped groove, and the bottom surface of the counter bore groove is lower than that of the bar-shaped groove.

Furthermore, fixing bolts are arranged between two sides of one end, close to the vertical block of the L-shaped stamping die holder, of the stamping tongue block and the transverse block of the L-shaped stamping die holder, and screws of the fixing bolts penetrate through the stamping tongue block and then are in threaded connection with the transverse block of the L-shaped stamping die holder.

Further, a base plate is sleeved between the fixing bolt screw between the head of the fixing bolt and the stamping tongue block, strip-shaped holes are formed in the positions, located on the fixing bolt, of the base plate, and arc-shaped holes are formed in one side, close to the strip-shaped grooves, of the base plate.

Furthermore, upright rods with the same height as the stamping platform are vertically arranged at four corners of the supporting base, a pressing plate is horizontally arranged between the top end of each upright rod and the stamping platform, pressing bolts are vertically arranged between the pressing plates and the supporting base, the bottom ends of the pressing bolt screws penetrate through the pressing plates and then are in threaded connection with the supporting base, and the heads of the pressing bolts are abutted to the pressing plates.

Adopt above-mentioned technical scheme, the beneficial effects of the utility model are that:

the utility model has the advantages that the loading platform, the supporting base, the hydraulic oil cylinder, the upper die base and the lower die base are arranged to form the stamping device to stamp the supporting rod to form the connecting opening, so that the time is saved and the efficiency is high when the stamping is carried out for one second; in addition, a lower die seat suitable for a square supporting rod pipe is formed by the stamping platform, the hinging block, the hinging shaft, the L-shaped stamping die seat and the stamping tongue block, when the die is used, the L-shaped stamping die seat and the stamping tongue block are lifted, the supporting rod sleeve is arranged on the transverse block and the stamping tongue block of the L-shaped stamping die seat, the upper die seat is driven by the hydraulic oil cylinder to descend to stamp the supporting rod, and the cost is low relative to laser cutting.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of the loading platform, the supporting base and the lower die holder of the present invention;

FIG. 3 is an enlarged view of a portion A of FIG. 2;

fig. 4 is a schematic structural diagram of a support rod of a bridge girder erection machine in the prior art.

Reference numerals: 1. a lower die holder; 11. a stamping platform; 12. a hinged block; 13. hinging a shaft; 14. an L-shaped stamping die holder; 15. stamping a tongue block; 16. a strip-shaped groove; 17. a countersink groove; 18. fixing the bolt; 2. an upper die holder; 3. a carrier platform; 31. a column; 32. a top plate; 4. a hydraulic cylinder; 5. a support base; 51. erecting a rod; 52. pressing a plate; 53. a hold-down bolt; 6. a base plate; 61. a strip-shaped hole; 62. an arc-shaped hole.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention are described in further detail below with reference to the accompanying drawings.

As shown in figures 1 to 3, the utility model provides a punching device for a bridge girder erection machine support bar connection opening, which comprises a loading platform 3, upright columns 31 are vertically arranged at four corners of the top surface of the loading platform 3, a top plate 32 is horizontally and fixedly connected between the top ends of the upright columns 31, a hydraulic cylinder 4 vertically distributed is fixedly connected with the bottom surface of the top plate 32, an upper die base 2 is arranged at the bottom end of a piston rod of the hydraulic cylinder 4, the hydraulic cylinder 4 is a power source for driving the upper die base 2 to ascend and descend, a support base 5 is horizontally and fixedly connected with the top surface of the loading platform 3, a lower die base 1 is detachably and fixedly connected with the support base 5, the lower die base 1 is horizontally arranged, one side of the lower die base 1 is positioned below the upper die base 2, the lower die base 1 comprises a punching platform 11, the punching platform 11 is detachably and fixedly connected with the support base 5, a hinge block 12 is fixedly, an L-shaped stamping die holder 14 is sleeved on the articulated shaft 13, a vertical block of the L-shaped stamping die holder 14 is sleeved on the articulated shaft 13, a transverse block of the L-shaped stamping die holder 14 extends outwards, the bottom surface of the transverse block is abutted against the stamping platform 11, a stamping tongue block 15 is detachably and fixedly connected on the top surface of the transverse block of the L-shaped stamping die holder 14, the stamping tongue block 15 is positioned under the upper die holder 2, a strip-shaped groove 16 with the same shape as the connecting opening of the supporting rod is formed on the top surface of the stamping tongue block 15 along the length direction of the stamping tongue block 15, a convex die core corresponding to the strip-shaped groove 16 is arranged on the bottom surface of the upper die holder 2, the convex die core and the strip-shaped groove 16 are matched together to enable the supporting rod of the bridge girder erection machine to form a connecting opening during stamping, and the supporting rod is stamped to form a connecting opening, the time is saved and the efficiency is high when the stamping is carried out for one second; in addition, the lower die holder 1 suitable for supporting the square tube of the supporting rod is formed by arranging the stamping platform 11, the hinging block 12, the hinging shaft 13, the L-shaped stamping die holder 14 and the stamping tongue block 15, when the die is used, the L-shaped stamping die holder 14 and the stamping tongue block 15 are lifted, the supporting rod is sleeved on the transverse block and the stamping tongue block 15 of the L-shaped stamping die holder 14, the hydraulic oil cylinder 4 is used for driving the upper die holder 2 to descend to stamp the supporting rod, and the cost is low relative to laser cutting.

Further, as shown in fig. 2 and 3, counter bore groove 17 has been seted up on the punching press tongue piece 15 top surface that bar groove 16 is close to articulated piece 12 one end, counter bore groove 17 and bar groove 16 intercommunication, counter bore groove 17 tank bottom surface is less than bar groove 16 tank bottom surface, through setting up counter bore groove 17, establish the bracing piece cover on horizontal piece and the punching press tongue piece 15 of L type punching press die holder 14 back, can make one side that the bracing piece hypotenuse is close to counter bore groove 17 be in unsettled state, be convenient for the punching press fall strip shaped plate and strip shaped plate blanking.

As shown in fig. 4, there are 4 connecting openings for one bridge erecting machine support rod, so each bridge erecting machine support rod needs to be punched four times, taking the top plate as an example, the other end of the top plate can be punched by dropping the bridge erecting machine support rod after punching one end of the top plate, and when the bottom plate is punched, the bottom plate needs to be turned over, because the bevel edge of the bottom plate after turning is parallel to the bevel edge of the top plate, and the bevel edge of the bottom plate just crosses the bevel edge of the strip-shaped groove 16, therefore, the stamping tongue piece 15 adapted to the bevel edge of the support rod bottom plate needs to be replaced after punching the top plate, or the stamping tongue piece 15 needs to be replaced due to serious wear, therefore, the stamping tongue piece 15 and the L-shaped stamping die holder 14 are arranged to be detachably and fixedly connected, specifically, as shown in fig. 3, a fixing bolt 18 is arranged between both sides of one end of the, the screw of the fixing bolt 18 penetrates through the stamping tongue piece 15 and then is in threaded connection with the transverse block of the L-shaped stamping die holder 14, and the L-shaped stamping die holder 14 and the stamping tongue piece 15 are detachably and fixedly connected through the fixing bolt 18, so that the stamping tongue piece 15 can be replaced conveniently.

Further, as shown in fig. 2, the cover is equipped with backing plate 6 between the 18 screw rods of fixing bolt between 18 heads of fixing bolt and the punching press tongue piece 15, it has all seted up bar hole 61 to lie in fixing bolt 18 position department on backing plate 6, arc hole 62 has been seted up to one side that is close to bar recess 16 on the backing plate 6, through setting up backing plate 6, it is more firm to make fixing bolt 18 fixed, and set up bar hole 61 and can adjust the position of backing plate 6 on punching press tongue piece 15, and set up arc hole 62 and then be for not hiding counterbore 17, from not influencing the effect of counterbore 17.

Because the specification size of bridging machine is different, therefore, the specification of bridging machine bracing piece is also different, and need to change upper die base 2 and lower die holder 1 when the bracing piece of the different specifications of punching press, therefore, it sets up to dismantling fixed connection to support base 5 and lower die holder 1, it is concrete, as shown in fig. 1 and fig. 2, it all vertically is provided with the pole setting 51 of height such as with punching press platform 11 to support 5 four corners of base, equal level is provided with clamp plate 52 between each pole setting 51 top and the punching press platform 11, all vertically be provided with clamp bolt 53 between clamp plate 52 and the support base 5, clamp bolt 53 screw rod bottom pass behind clamp plate 52 with support base 5 threaded connection, clamp bolt 53 head and clamp plate 52 butt, through such a mode of setting, not only can fix lower die holder 1, and be convenient for changing when changing lower die holder 1.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, but rather is described in the embodiments and descriptions herein to illustrate the principles of the invention and that various changes and modifications may be made without departing from the spirit and scope of the invention, all of which fall within the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents.

Claims

1. The utility model provides an open-ended stamping device is connected to bridge crane bracing piece, includes cargo platform, the equal vertical stand that is provided with in cargo platform top surface four corners, horizontal rigid coupling has the roof between the stand top, roof bottom surface rigid coupling has the hydraulic cylinder of vertical distribution, hydraulic cylinder piston rod bottom is provided with upper die base, its characterized in that: the top surface of the loading platform is horizontally and fixedly connected with a supporting base, a lower die base is detachably and fixedly connected onto the supporting base, one side of the lower die base is positioned below the upper die base, the lower die base comprises a stamping platform, the stamping platform is detachably and fixedly connected with the supporting base, a hinging block is fixedly connected onto one side, far away from the upper die base, of the top surface of the stamping platform, the hinging block is close to one side opening of the upper die base, a hinging shaft is arranged in the opening, an L-shaped stamping die base is sleeved on the hinging shaft, a vertical block of the L-shaped stamping die base is sleeved on the hinging shaft, a transverse block of the L-shaped stamping die base extends outwards, the bottom surface of the transverse block is abutted against the stamping platform, a stamping tongue block is detachably and fixedly connected onto the top surface of the transverse block of the L-shaped stamping die base, the stamping tongue block is positioned under the, and the bottom surface of the upper die base is provided with a convex die core corresponding to the strip-shaped groove.

2. The punching device for the support rod connecting opening of the bridge erecting machine according to claim 1, wherein: the punching press tongue piece top surface that the bar recess is close to articulated piece one end has seted up the counter bore groove, counter bore groove and bar recess intercommunication, counter bore groove tank bottom surface are less than bar recess tank bottom surface.

3. The punching device for the support rod connecting opening of the bridge erecting machine according to claim 1, wherein: fixing bolts are arranged between two sides of one end, close to the vertical block of the L-shaped stamping die holder, of the stamping tongue block and the transverse block of the L-shaped stamping die holder, and screw rods of the fixing bolts are in threaded connection with the transverse block of the L-shaped stamping die holder after penetrating through the stamping tongue block.

4. The punching device for the support rod connecting opening of the bridge erecting machine according to claim 3, wherein:

the cover is equipped with the backing plate between the fixing bolt screw rod between fixing bolt head and the punching press tongue piece, the bar hole has all been seted up to the fixing bolt position department on the backing plate, and the arc hole has been seted up to the one side that is close to the bar recess on the backing plate.

5. The punching device for the support rod connecting opening of the bridge erecting machine according to claim 1, wherein: the pressing plate is vertically arranged between the pressing plate and the supporting base, the bottom end of a screw rod of the pressing bolt penetrates through the pressing plate and then is in threaded connection with the supporting base, and the head of the pressing bolt is abutted to the pressing plate.