CN213196226U

CN213196226U - Front axle frame welded platform

Info

Publication number: CN213196226U
Application number: CN202021751116.6U
Authority: CN
Inventors: 方立; 江洪; 李帅松; 吴远波
Original assignee: Chengdu Chuanglei Machinery Co ltd
Current assignee: Chengdu Chuanglei Machinery Co ltd
Priority date: 2020-08-20
Filing date: 2020-08-20
Publication date: 2021-05-14
Anticipated expiration: 2030-08-20

Abstract

The utility model discloses a front axle frame welded platform, including welding platen and the lifting unit of setting in welding platen both sides, be fixed with supporting substrate on the welding platen, supporting substrate mid-mounting has the first anchor clamps subassembly that is used for fixed preceding crane span structure middle part, the equal slidable mounting in supporting substrate both ends has anchor clamps mounting platform, install the second anchor clamps subassembly that is used for fixed preceding crane span structure tip on the anchor clamps mounting platform, spacing subassembly is installed to welding platen both sides, spacing subassembly includes spacing extension board, stop screw and with stop screw complex stop nut, spacing extension board and welding platen fixed connection, stop screw one end is passed spacing extension board and with corresponding supporting anchor clamps mounting platform butt, stop nut is located spacing extension board and corresponds between the supporting anchor clamps mounting platform. The utility model discloses a fix a position the front axle middle part, carry out the automatic positioning butt through carrying out the front axle frame both ends again, not only can stabilize the location with the front axle frame, the dismouting is convenient moreover.

Description

Front axle frame welded platform

Technical Field

The utility model relates to a land leveler technical field particularly, relates to a front axle frame welded platform.

Background

At present, the front axle frame welding operation to leveler mainly adopts welding frock to assist, and the jacking structure of two similar jacks is fixed front axle frame both ends, and there is certain defect in this kind of fixed mode, firstly need be equipped with special frock with two jacking structure location, if do not have special frock supporting then can't stabilize the location with jacking structure in the short time, secondly dismouting jacking structure is not too convenient, wastes time and energy.

In view of this, the present application is specifically made.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a front axle frame welded platform, this welded platform is through fixing a position the front axle middle part, again through carrying out the automatic positioning butt to front axle frame both ends, not only can stabilize the location with the front axle frame, and the dismouting is convenient moreover, labour saving and time saving.

The embodiment of the utility model is realized like this: a front axle frame welding platform comprises a welding platen and lifting assemblies arranged on two sides of the welding platen, wherein a support base plate is fixed on the welding platen, a first clamp assembly used for fixing the middle part of a front axle frame is installed in the middle of the support base plate, sliding grooves are formed in two ends of the support base plate, a clamp installation platform is in sliding fit in the sliding grooves, and a second clamp assembly used for fixing the end part of the front axle frame is installed on the clamp installation platform; the limiting components matched with the corresponding side fixture mounting platforms are mounted on two sides of the welding platen respectively, each limiting component comprises a limiting support plate, a limiting screw and a limiting nut matched with the limiting screw, the limiting support plates are fixedly connected with the welding platen, one end of each limiting screw penetrates through the limiting support plates and is abutted to the corresponding matched fixture mounting platforms, and the limiting nuts are located between the limiting support plates and the corresponding matched fixture mounting platforms.

Further, first anchor clamps subassembly includes that stand and U type press from both sides the cover, stand one end and supporting baseplate fixed connection, the middle part fixed connection that the other end and U type pressed from both sides the cover, the U type opening that the U type pressed from both sides the cover is up, and all be fixed with locking bolt on the both sides wall that the U type pressed from both sides the cover, and locking bolt one end penetrates in the U type opening that the U type pressed from both sides the cover and is fixed with the blotter.

Further, the second fixture component comprises a telescopic cylinder, a swing rod and a jacking rod, a first hinged support and a second hinged support are fixed on the upper surface of the fixture mounting platform, the lower end of the swing rod is hinged to the second hinged support, a sliding sleeve is sleeved in the middle of the swing rod, the upper end of the swing rod is hinged to the middle of the jacking rod, a limiting plate is fixed on the upper portion of the swing rod, a reciprocating spring sleeved on the swing rod is arranged between the limiting plate and the sliding sleeve, the bottom of a cylinder barrel of the telescopic cylinder is hinged to the first hinged support, one end of a piston rod of the telescopic cylinder is hinged to the sliding sleeve, one end, away from the front bridge, of the jacking rod is hinged to a linkage rod, the other end of the jacking rod is formed with a jacking head used for compressing the front bridge top wall.

Furthermore, the side pressure piece comprises a side pressure rod and a side pressure head, the side pressure rod is an L-shaped rod, a cross beam of the side pressure rod is fixedly connected with the lower part of the swing rod, a vertical beam of the side pressure rod is parallel to the swing rod, and the side pressure head is arranged on one side, away from the swing rod, of the vertical beam of the side pressure rod.

Further, lifting unit includes the lift lead screw, the bottom plate and fix two direction montants on the bottom plate, it is equipped with guide sleeve all to slide the cover on every direction montant, guide sleeve keeps away from the one end and the welding platen fixed connection of direction montant, be fixed with the connection horizontal pole between two guide sleeve, be fixed with the lead screw sleeve on the bottom plate, lift lead screw one end penetrate to the lead screw sleeve in and with lead screw sleeve screw-thread fit, the lift lead screw other end with be connected horizontal pole rotatable coupling, install on the lead screw sleeve with lift lead screw complex screw seat, be provided with the actuating lever between the hole of the screw seat of both sides, actuating lever one end is connected with driving motor.

Furthermore, a lower limiting plate is fixed between the vertical guiding rod on the bottom plate at one side and the corresponding vertical guiding rod on the bottom plate at the other side.

The embodiment of the utility model provides a beneficial effect is:

the embodiment of the utility model provides a welded platform is through setting up supporting substrate at the welding platen, and supporting substrate's mid-mounting has the first anchor clamps subassembly that is used for fixed preceding crane span structure middle part, and the second anchor clamps subassembly that is used for fixed preceding crane span structure tip is installed to supporting substrate's tip, through the firm assembly effect of three point location and realization preceding crane span structure to first anchor clamps subassembly and second anchor clamps subassembly easy dismounting can play very big promotion effect for the efficiency of whole welding position process.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural diagram of a welding platform according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a second clamp assembly according to an embodiment of the present invention.

Icon: 1-welding a bedplate; 2-a bottom plate; 3-guiding vertical rods; 4-a guide sleeve; 5-connecting the cross bar; 6-screw mandrel sleeve; 7-lifting screw rod; 8-a nut seat; 9-a lower limiting plate; 10-a drive rod; 11-a support substrate; 12-a column; 13-U-shaped jacket; 14-a locking bolt; 15-a buffer pad; 16-a chute; 17-a clamp mounting platform; 18-a limiting support plate; 19-a limit screw; 20-a limit nut; 21-a linkage rod; 22-a second hinge mount; 23-a first hinge mount; 24-a telescopic cylinder; 25-a swing rod; 26-side compression bar; 27-side indenter; 28-a sliding sleeve; 29-a reciprocating spring; 30-limiting plate; 31-top pressure bar.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "parallel," "perpendicular," and the like do not require that the components be absolutely parallel or perpendicular, but may be slightly inclined. For example, "parallel" merely means that the directions are more parallel relative to "perpendicular," and does not mean that the structures are necessarily perfectly parallel, but may be slightly tilted.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Examples

Referring to fig. 1 and 2, the front axle welding platform provided in this embodiment includes a welding platen 1 and lifting assemblies disposed on two sides of the welding platen 1, and the lifting assemblies may be implemented by using separate lifting cylinders or lifting screw structures, but in order to ensure reliable supporting performance and convenient operation of lifting, in this embodiment, the lifting assemblies include a lifting screw 7, a bottom plate 2, and two guide vertical rods 3 fixed on the bottom plate 2, and a total of four guide vertical rods 3 can form a relatively stable support. Every is led on montant 3 all to slide the cover and is equipped with guide sleeve 4, guide sleeve 4 keeps away from the one end of direction montant 3 and the lower fixed surface connection of welding platen 1 edge, guarantees that four guide sleeve 4 go up and down in step and can realize the raising and lowering functions of welding platen 1.

In order to ensure synchronous action of the four guide sleeves 4 under the same driving action, a single group of lifting assembly is taken as an example for explanation, a connecting cross rod 5 is fixed between the two guide sleeves 4, a screw rod sleeve 6 is fixed on the bottom plate 2, the screw rod sleeve 6 is positioned between the two guide sleeves 4, the screw rod sleeve 6 is parallel to the two guide sleeves 4, one end of a lifting screw rod 7 penetrates into the screw rod sleeve 6 and is in threaded fit with the screw rod sleeve 6, namely, the lifting screw rod 7 can lift relative to the screw rod sleeve 6 after rotating. The other end of the lifting screw rod 7 is rotatably connected with the connecting cross rod 5 through a bearing, a screw seat 8 matched with the lifting screw rod 7 is installed at the upper end of the screw rod sleeve 6, the screw seat 8 and the lifting screw rod 7 form a traditional screw rod lifting pair, and the lifting screw rod 7 can be driven to lift by rotating a screw in the screw seat 8. In order to enable the screw seats 8 on the two sides to have linkage synchronism, a driving rod 10 (with limit) is arranged between the screw seats 8 in the two groups of lifting assemblies, namely, inner holes of the screw seats 8 on the two sides, one end of the driving rod 10 is connected with a driving motor (not shown), the driving rod 10 can be rotated by controlling the action of the driving motor, so that the screws in the screw seats 8 on the two sides can be synchronously rotated, the synchronous lifting of the lifting screw rods 7 on the two sides is finally realized, and the purpose of lifting the welding bedplate 1 is achieved by lifting the connecting cross rods 5 on the two sides. In addition, a lower limiting plate 9 is fixed between the vertical guiding rod 3 on the bottom plate 2 at one side and the corresponding vertical guiding rod 3 on the bottom plate 2 at the other side, that is, in the non-same group of lifting assemblies, the lower limiting plate 9 is fixed between the adjacent vertical guiding rods 3 to be used as the lowest height position of the guide sleeve 4 for descending.

In order to improve the stability of the front bridge frame placed on the welding bedplate 1, a support substrate 11 is fixed on the welding bedplate 1, and the support substrate 11 is preferably a strip-shaped plate, and the length of the support substrate 11 is greater than that of the front bridge frame. The middle of the supporting base plate 11 is provided with a first clamp assembly for fixing the middle of the front bridge, in order to achieve better stability and operation convenience of the first clamp assembly, the first clamp assembly comprises an upright post 12 and a U-shaped clamping sleeve 13, one end of the upright post 12 is fixedly welded with the middle of the U-shaped clamping sleeve 13, the U-shaped opening of the U-shaped clamping sleeve 13 faces upwards, the U-shaped opening is used for being embedded in the middle of the front bridge, two side walls of the U-shaped clamping sleeve 13 are respectively provided with a locking bolt 14, one end of each locking bolt 14 penetrates into the U-shaped opening of the U-shaped clamping sleeve 13 and is fixed with a cushion 15, and the locking bolts 14 are screwed or unscrewed to drive the cushion 15 to press the side wall of the front bridge or not so as to achieve primary positioning clamping of the front bridge.

The supporting base plate 11 is provided with sliding grooves 16 at two ends, the sliding grooves 16 are arranged along the length direction of the supporting base plate 11, the clamp mounting platforms 17 are matched in the sliding grooves 16 in a sliding mode, and the clamp mounting platforms 17 at two sides are driven to slide, so that the distance between the clamp mounting platforms 17 at two sides is changed, and the length between the end portions of the front bridge frame is specifically adapted. The clamp mounting platform 17 is provided with a second clamp assembly for fixing the end part of the front bridge frame, and the two sides of the welding bedplate 1 are provided with limiting assemblies which are respectively matched with the clamp mounting platforms 17 on the corresponding sides, namely, one side of each clamp mounting platform 17 is provided with a limiting assembly which is respectively used for limiting the sliding position of the clamp mounting platform 17 on one side. The single group of limiting components is taken as an example for explanation, the limiting components comprise a limiting support plate 18, a limiting screw rod 19 and a limiting nut 20 matched with the limiting screw rod 19, the limiting support plate 18 is fixedly connected with the side wall of the welding bedplate 1, one end of the limiting screw rod 19 penetrates through the limiting support plate 18 and is abutted to a corresponding matched fixture mounting platform 17, the limiting nut 20 is located between the limiting support plate 18 and the corresponding matched fixture mounting platform 17, the maximum distance between the end part of the limiting screw rod 19 and the fixture mounting platform 17 is changed by changing the position of the limiting nut 20 on the limiting screw rod 19, the limiting screw rod 19 is stably abutted to the fixture mounting platform 17, and the situation that the fixture mounting platform 17 slides accidentally is prevented.

In this embodiment, the second fixture assembly includes a telescopic cylinder 24, a swing rod 25 and a top pressure rod 31, the first hinge base 23 and the second hinge base 22 are fixed on the upper surface of the fixture mounting platform 17, a connection line between the first hinge base 23 and the second hinge base 22 is the same as a length direction of the support substrate 11, and the first hinge base 23 is located on one side of the second hinge base 22 away from the front bridge. The lower end of the swing rod 25 is hinged to the second hinged support 22, a sliding sleeve 28 is sleeved in the middle of the swing rod 25, the upper end of the swing rod 25 is hinged to the middle of the jacking rod 31, a limiting plate 30 is fixedly wound on the upper portion of the swing rod 25, a reciprocating spring 29 sleeved on the swing rod 25 is arranged between the limiting plate 30 and the sliding sleeve 28, the bottom of a cylinder barrel of the telescopic cylinder 24 is hinged to the first hinged support 23, one end of a piston rod of the telescopic cylinder 24 is hinged to the sliding sleeve 28, a linkage rod 21 is hinged to one end, away from the front bridge, of the jacking rod 31, a jacking head used for compressing the top wall of the front bridge is formed at the other end of the jacking rod 31, one end of the linkage rod 21 is hinged to the sliding sleeve 28. Specifically, the side pressing piece comprises a side pressing rod 26 and a side pressing head 27, the side pressing rod 26 is an L-shaped rod, a cross beam of the side pressing rod 26 is fixedly connected with the lower portion of the swinging rod 25, a vertical beam of the side pressing rod 26 is parallel to the swinging rod 25, and the side pressing head 27 is detachably mounted on one side, away from the swinging rod 25, of the vertical beam of the side pressing rod 26. The sliding sleeve 28 slides upwards along the swing rod 25 by controlling the extension of the telescopic cylinder 24, one end of the jacking head of the jacking rod 31 is driven to rotate downwards by the action of the linkage rod 21 until the jacking head is contacted with and stably pressed on the top wall of the end part of the front bridge frame, the piston rod of the telescopic cylinder 24 continues to extend until the swing rod 25 swings to a vertical state, and the side pressure head is stably pressed on the side wall of the end part of the front bridge frame.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention. It should be noted that structures or components illustrated in the drawings are not necessarily drawn to scale, and descriptions of well-known components and processing techniques and technologies are omitted to avoid unnecessarily limiting the invention.

Claims

1. A front axle frame welding platform is characterized by comprising a welding platen and lifting assemblies arranged on two sides of the welding platen, wherein a support substrate is fixed on the welding platen, a first clamp assembly used for fixing the middle part of a front axle frame is installed in the middle of the support substrate, sliding grooves are machined in two ends of the support substrate, a clamp installation platform is in sliding fit in the sliding grooves, and a second clamp assembly used for fixing the end part of the front axle frame is installed on the clamp installation platform; and limiting assemblies which are matched with the corresponding side fixture mounting platforms respectively are mounted on two sides of the welding bedplate, each limiting assembly comprises a limiting support plate, a limiting screw and a limiting nut matched with the limiting screw, the limiting support plates are fixedly connected with the welding bedplate, one end of each limiting screw penetrates through each limiting support plate and is abutted against the corresponding matched fixture mounting platform, and the limiting nut is positioned between each limiting support plate and the corresponding matched fixture mounting platform.

2. The front axle welding platform of claim 1, wherein the first clamp assembly comprises a vertical column and a U-shaped clamping sleeve, one end of the vertical column is fixedly connected with the supporting base plate, the other end of the vertical column is fixedly connected with the middle part of the U-shaped clamping sleeve, a U-shaped opening of the U-shaped clamping sleeve faces upwards, two side walls of the U-shaped clamping sleeve are respectively fixed with a locking bolt, and one end of each locking bolt penetrates into the U-shaped opening of the U-shaped clamping sleeve and is fixed with a cushion pad.

3. The front axle welding platform of claim 1, wherein the second clamp assembly comprises a telescoping cylinder, a swing link, and a jacking rod, a first hinged support and a second hinged support are fixed on the upper surface of the fixture mounting platform, the lower end of the swing rod is hinged with the second hinged support, a sliding sleeve is sleeved in the middle of the swing rod, the upper end of the swing rod is hinged with the middle part of the top pressure rod, a limiting plate is fixed at the upper part of the swing rod, a reciprocating spring sleeved on the swing rod is arranged between the limiting plate and the sliding sleeve, the bottom of a cylinder barrel of the telescopic cylinder is hinged with the first hinged support, one end of a piston rod of the telescopic cylinder is hinged on the sliding sleeve, one end of the top pressure rod, which is far away from the front bridge frame, is hinged with a linkage rod, the other end of the top pressure rod is formed with a top pressure head for pressing the top wall of the front bridge frame, one end of the linkage rod is hinged to the sliding sleeve, and a side pressing piece used for pressing the side wall of the front bridge frame is arranged on one side of the swing rod.

4. The front axle frame welding platform according to claim 3, wherein the lateral pressing piece comprises a lateral pressing rod and a lateral pressing head, the lateral pressing rod is an L-shaped rod, a cross beam of the lateral pressing rod is fixedly connected with the lower portion of the swing rod, a vertical beam of the lateral pressing rod is parallel to the swing rod, and the lateral pressing head is installed on one side, away from the swing rod, of the vertical beam of the lateral pressing rod.

5. The front axle frame welding platform according to claim 1, wherein the lifting assembly comprises a lifting screw, a bottom plate and two vertical guide rods fixed on the bottom plate, a guide sleeve is slidably sleeved on each vertical guide rod, one end of each guide sleeve, which is far away from the vertical guide rods, is fixedly connected with the welding platen, a connecting cross rod is fixed between the two guide sleeves, a screw sleeve is fixed on the bottom plate, one end of the lifting screw penetrates into the screw sleeve and is in threaded fit with the screw sleeve, the other end of the lifting screw is rotatably connected with the connecting cross rod, a screw seat matched with the lifting screw is installed on the screw sleeve, a driving rod is arranged between inner holes of the screw seats on two sides, and one end of the driving rod is connected with a driving motor.

6. The front axle welding platform of claim 5, wherein a lower limiting plate is fixed between the vertical guiding rod on the bottom plate on one side and the corresponding vertical guiding rod on the bottom plate on the other side.