Drag chain floating self-adjusting mechanism

Abstract

The utility model provides a drag chain floating self-adjusting mechanism which comprises a drag chain wiring support, a drag chain groove assembly and a drag chain body, a compensation assembly is arranged at the moving end of the drag chain body and comprises a support connecting end and a drag chain connecting end, the support connecting end is fixed to the drag chain wiring support, the drag chain connecting end is fixed to the moving end of a drag chain, and the drag chain wiring support is fixed to the drag chain groove assembly. The drag chain connecting end is connected with the support connecting end in a matched mode, and the drag chain connecting end transversely moves in a reciprocating mode in the horizontal direction relative to the support connecting end. According to the utility model, a floating structure is designed, so that the moving end of the drag chain can transversely move in a reciprocating manner along the axial direction of the linear bearing relative to the drag chain routing bracket under the limiting action of the track, automatic floating adjustment is performed in real time according to the track, the drag chain effectively adapts to clamping stagnation and obstruction possibly existing in the track, and the drag chain smoothly passes through after self-adjustment; possible friction jamming is reduced, and the service life of the drag chain is effectively prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to a drag chain device technical field especially relates to a drag chain floating self -adjusting mechanism. BACKGROUND

[0002] The drag chain is a kind of device for binding cable, wire, air pressure pipe, oil pressure pipe to facilitate its rotation and movement, is applied to reciprocating motion occasion, can play the role of traction and protection to the built-in cable tube etc.In installation, usually the bar code component of drag chain is installed along the main truss, and the bar code component usually includes several drag chain sheet metal grooves and sheet metal groove welded support, several drag chain sheet metal grooves are combined to form the track for the drag chain to walk, and the sheet metal groove welded support is welded below the drag chain sheet metal groove and is welded and fixed with the trolley conductor rail connecting pipe.The lateral welding of drag chain sheet metal groove has sheet metal groove lateral support.Sheet metal groove lateral support effectively supports the stable connection between drag chain sheet metal groove and sheet metal groove welded support.The drag chain body is arranged in the track formed by the combination of drag chain sheet metal groove, and in order to provide the wire for the drag chain body and drive the moving end of drag chain to slide relative to the track formed by bar code component, drag chain wire support is also provided.The end of drag chain wire support is connected with the moving end of drag chain body, walks along the main truss direction, and drives the moving end of drag chain to slide along the track of bar code component.

[0003] In this process, after the combination installation of various components, it cannot be completely guaranteed that the drag chain body can slide smoothly along the track without obstruction.In the main truss, on the one hand, the assembly of main truss may exist assembly error, and on the other hand, the main truss is generally long line structure, and after installation, it may exist certain deflection, so that there is a jamming obstruction position.In the installation of bar code component, since the track of bar code component is combined by several drag chain sheet metal grooves, during the combination of drag chain sheet metal groove, there is installation error, and after the cumulative installation error of adjacent drag chain sheet metal groove, the jamming obstruction position of drag chain sliding is also formed on the track.When the moving end slides along such track, friction or impact with the inner wall of drag chain sheet metal groove will occur, so that excessive wear of drag chain sheet metal groove or moving end of drag chain occurs, which affects the normal service life of drag chain. SUMMARY

[0004] The technical problem to be solved by the utility model is: in order to overcome the deficiency of prior art, the utility model provides a drag chain floating self-adjusting mechanism, which can float and self-adjust according to the track direction, avoid the jamming of moving end of drag chain in the track or excessive wear with the inner wall of track, so as to effectively improve the use effect and service life of drag chain.

[0005] The utility model discloses a technical scheme that solves its technical problem is adopted: a kind of drag chain floating self-adjusting mechanism, including drag chain wiring support, drag chain slot assembly and drag chain body, the drag chain body one end is mobile end, the drag chain slot assembly have track inside, the drag chain body is arranged in track, and the mobile end of drag chain body is relative to track slip, the mobile end of the drag chain body is provided with compensation assembly, the compensation assembly includes support connecting end and drag chain connecting end, the support connecting end is fixed with drag chain wiring support, the drag chain connecting end is fixed with the mobile end of drag chain, the drag chain connecting end is connected with support connecting end, and drag chain connecting end is relative to support connecting end and reciprocates horizontally in horizontal direction.

[0006] In the above scheme, for the original fixed positioning connection of the drag chain wiring support, track and the mobile end of the drag chain body, the compensation assembly is designed, so that the mobile end of the drag chain body can reciprocate horizontally under the action of the compensation assembly, which can effectively adapt to the track and adjust the floating, to avoid the mobile end from being stuck or excessively worn during operation.

[0007] Further, the compensation assembly is a linear bearing, the support connecting end is a housing of the linear bearing, the drag chain connecting end includes a drag chain fixed welding frame and a light shaft part of the linear bearing, and the light shaft part of the linear bearing is rotatably connected to the drag chain welding fixed plate at both ends. By providing the linear bearing, the performance of the linear bearing itself can be utilized to maintain the normal operation of the drag chain wiring support while floating self-adjusting the mobile end of the drag chain body suspended below according to the track conditions.

[0008] Further, the axial direction of the linear bearing is parallel to the horizontal direction and perpendicular to the direction of the track axis, that is, the direction of the floating self-adjusting of the mobile end of the drag chain is set at a right angle with the moving direction of the drag chain in the horizontal plane, to avoid diagonal dispersed stress and further avoid sticking and excessive wear, which is beneficial to improve the smoothness of the operation of the mobile end of the drag chain.

[0009] Specifically, in the combined installation of the compensation assembly, the drag chain fixed welding frame includes a drag chain fixed welding plate and a shaft clamping upper plate, the drag chain fixed welding plate and the shaft clamping upper plate are connected through screws, the drag chain fixed welding plate and the shaft clamping upper plate correspondingly have arc grooves on the connecting end faces, the light shaft part of the linear bearing is a cylindrical pin, and the two ends of the cylindrical pin are matched with the arc surfaces of the arc grooves of the drag chain fixed welding plate and the shaft clamping upper plate, and are clamped and arranged by the drag chain fixed welding plate and the shaft clamping upper plate.

[0010] Further, the two sides of the bottom of the fixed welding plate of the drag chain are respectively connected with auxiliary wheel shafts through rotation, and the outer circumferential surfaces of the auxiliary wheel shafts are respectively in rolling contact with the inner walls of the corresponding tracks.

[0011] Further, in the combined installation of the drag chain wiring support and the compensation assembly, a linear bearing connecting plate is fixed on the drag chain wiring support, and the top of the linear bearing is fixed on the lower end surface of the linear bearing connecting plate.

[0012] The drag chain floating self-adjusting mechanism has the advantages that the structure design is reasonable, the floating structure is designed at the connecting position of the drag chain wiring support and the drag chain moving end, the linear bearing is used to connect the drag chain wiring support and the drag chain moving end, the drag chain moving end can reciprocatingly move along the axial direction of the linear bearing under the limiting action of the track, the automatic floating adjustment is realized according to the track in real time, the possible jamming and obstruction in the track are effectively adapted, the smooth passing is realized after the self-adjustment, the possible friction jamming is reduced, and the service life of the drag chain is effectively prolonged. BRIEF DESCRIPTION OF DRAWINGS

[0013] The utility model is further explained in connection with the drawings and examples.

[0014] Figure 1 is the structure schematic diagram of the optimal embodiment of the utility model.

[0015] Figure 2 is the sectional view of the optimal embodiment of the utility model along the axial direction of the cylindrical pin.

[0016] In the figure, 1 is a linear bearing connecting plate, 2 is a clamping shaft upper plate, 3 is a drag chain wiring support, 4 is a drag chain metal sheet groove, 5 is a wear-resistant strip, 6 is a metal sheet groove welding support, 7 is a metal sheet groove lateral support, 8 is a slide wire connection square tube, 9 is a drag chain fixed welding plate, 10 is a cylindrical pin, 11 is a shell, 12 is an auxiliary wheel shaft. DETAILED DESCRIPTION

[0017] The utility model will be further explained in detail in combination with the drawings. These drawings are all simplified schematic diagrams, and only schematically show the basic structure of the utility model, so they only show the structure related to the utility model, and the direction and reference (for example, up, down, left, right, etc.) can only be used to help describe the features in the drawings. Therefore, the following detailed description is not in a limiting sense, and the scope of the claimed subject matter is only defined by the appended claims and their equivalents.

[0018] As shown in Figure 1 and Figure 2 The utility model discloses a kind of floating self-adjusting mechanisms of drag chain, it is the optimal embodiment of the utility model.The floating self-adjusting mechanisms of drag chain include drag chain wiring support 3, drag chain groove subassembly and drag chain body.Drag chain body one end is mobile end, drag chain groove subassembly has track inside, drag chain body is arranged in track, and the mobile end of drag chain body is relative to track slip.

[0019] In the embodiment, drag chain groove subassembly usually includes slide wire connecting square tube 8, multiple sheet metal groove welding supports 6 are welded on the axial direction of slide wire connecting square tube 8, two drag chain sheet metal grooves 4 are symmetrically welded on each sheet metal groove welding support 6, and adjacent drag chain sheet metal grooves 4 along the axial direction of slide wire connecting square tube 8 are sequentially connected, and opposite surface forms track for the installation of drag chain body and the slippage of mobile end of drag chain body.Based on this, to increase the strength of drag chain sheet metal groove 4, sheet metal groove lateral support 7 can also be welded and supported between the outer wall of drag chain sheet metal groove 4 and sheet metal groove welding support 6, effectively ensuring the strength of track from both sides.

[0020] On the basis of the above mechanism, the utility model sets up compensation assembly on the mobile end of drag chain body.In the embodiment, compensation assembly is preferably linear bearing.Linear bearing includes shell 11 and optical axis part, and axial hole for optical axis part to penetrate is provided in shell 11, and steel ball for rolling connection with the surface of optical axis part is arranged on the inner wall of axial hole.Optical axis can rotate relative to shell 11, and can also reciprocate along the axial direction of axial hole under the action of external force.The direction of axial hole is parallel to horizontal direction and perpendicular to the direction of track axis, that is, the direction of floating self-adjustment of drag chain mobile end is set on horizontal plane and is perpendicular to the moving direction of drag chain, to avoid oblique dispersed stress, further avoid jamming and excessive wear, and be favorable to improve the smooth degree of operation of mobile end of drag chain.

[0021] In compensation assembly, the shell 11 of linear bearing is the connecting end of compensation assembly and support, and the connecting end of compensation assembly and mobile end of drag chain body is composed of optical axis part and drag chain fixed welding frame.In the embodiment, to guarantee bearing, two linear bearings are designed in compensation assembly, and two linear bearings share unified linear bearing connecting plate 1 and drag chain fixed welding frame.The optical axis part axis of two linear bearings is arranged in parallel.

[0022] Specifically, in the combined installation of the drag chain wiring support 3 and the compensation assembly, the linear bearing connecting plate 1 is fixed on the drag chain wiring support 3, and the top of the linear bearing is fixed on the lower end surface of the linear bearing connecting plate 1.

[0023] In the assembly of the moving end of the drag chain body and the compensation assembly, the drag chain fixed welding frame includes the drag chain fixed welding plate 9 and the clamping shaft upper plate 2, the drag chain fixed welding plate 9 and the clamping shaft upper plate 2 are connected through screws, the corresponding connecting end surfaces of the drag chain fixed welding plate 9 and the clamping shaft upper plate 2 are respectively provided with arc grooves, the optical axis part of the linear bearing is a cylindrical pin 10, the two ends of the cylindrical pin 10 are respectively matched with the arc surfaces of the arc grooves of the drag chain fixed welding plate 9 and the clamping shaft upper plate 2, and the cylindrical pin 10 is clamped and arranged by the drag chain fixed welding plate 9 and the clamping shaft upper plate 2. When the drag chain wiring support 3 normally operates, the moving end of the drag chain body suspended below the cylindrical pin 10 is floated and self-adjusted according to the track working condition.

[0024] Further, in the embodiment, in order to assist the operation of the moving end of the drag chain body in the track, the two sides of the bottom of the drag chain fixed welding plate 9 corresponding to the inner wall of the track are respectively rotationally connected with auxiliary wheel shafts 12, the outer cylindrical surfaces of the auxiliary wheel shafts 12 are respectively in rolling contact with the inner wall of the track, and the auxiliary wheel shafts 12 can further provide auxiliary guiding action for the moving end of the drag chain and the inner wall of the track. The inner wall of the track corresponding to the lower edge of the bottom of the drag chain body can also be fixed with a wear-resistant strip 5 for supporting the drag chain body.

[0025] The drag chain floating self-adjusting mechanism thus designed connects the drag chain wiring support 3 and the moving end of the drag chain by using the linear bearing at the connecting position of the drag chain wiring support 3 and the moving end of the drag chain, so that the moving end of the drag chain can reciprocatingly move along the axial direction of the linear bearing relative to the drag chain wiring support 3 under the limiting action of the track, automatically float and adjust in real time according to the track, effectively adapt to the possible jamming and hindrance in the track, smoothly pass after self-adjustment, reduce the possible friction jamming, and effectively prolong the service life of the drag chain.

[0026] Based on the above ideal embodiment of the present application, through the above description, relevant personnel can make various changes and modifications without deviating from the technical idea of the present application. The technical scope of the present application is not limited to the content in the specification, and must be determined according to the scope of the claims.

Claims

1. A floating self-adjusting mechanism for a cable chain, comprising a cable chain routing bracket (3), a cable chain groove assembly, and a cable chain body, wherein one end of the cable chain body is a movable end, the cable chain groove assembly has a track, the cable chain body is disposed within the track, and the movable end of the cable chain body slides relative to the track, characterized in that: The moving end of the cable chain body is provided with a compensation component. The compensation component includes a bracket connection end and a cable chain connection end. The bracket connection end is fixed to the cable chain wiring bracket (3). The cable chain connection end is fixed to the moving end of the cable chain. The cable chain connection end is connected to the bracket connection end. The cable chain connection end moves back and forth horizontally relative to the bracket connection end in the horizontal direction.

2. The self-adjusting floating mechanism for a cable chain as described in claim 1, characterized in that: The compensation component is a linear bearing, the bracket connection end is the housing (11) of the linear bearing, and the drag chain connection end includes a drag chain fixing welding frame and the optical axis of the linear bearing. The two ends of the optical axis of the linear bearing are rotatably connected to the drag chain welding fixing plate.

3. The self-adjusting floating mechanism for a cable chain as described in claim 2, characterized in that: The axial direction of the linear bearing is parallel to the horizontal direction and perpendicular to the direction of the track axis.

4. The self-adjusting floating mechanism for a cable chain as described in claim 2, characterized in that: The cable chain fixing welding frame includes a cable chain fixing welding plate (9) and a clamping shaft upper plate (2). The cable chain fixing welding plate (9) and the clamping shaft upper plate (2) are connected by screws in an adjustable manner. The cable chain fixing welding plate (9) and the corresponding connecting end face of the clamping shaft are respectively provided with arc grooves. The optical shaft part of the linear bearing is a cylindrical pin (10). The two ends of the cylindrical pin (10) respectively cooperate with the arc surface of the arc groove of the cable chain fixing welding plate (9) and the clamping shaft upper plate (2), and are clamped by the cable chain fixing welding plate (9) and the clamping shaft upper plate (2).

5. The self-adjusting floating mechanism for a cable chain as described in claim 4, characterized in that: The bottom of the drag chain fixed welding plate (9) is rotatably connected to the two sides of the inner wall of the track, and the outer surface of the auxiliary wheel axle (12) rolls in contact with the inner wall of the track.

6. The self-adjusting floating mechanism for a cable chain as described in claim 3, characterized in that: The cable carrier bracket (3) is fixed with a linear bearing connecting plate (1), and the top of the linear bearing is fixed on the lower end face of the linear bearing connecting plate (1).

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