CN212003189U - Wave-shaped shield tail brush - Google Patents

Abstract

The utility model provides a wave form shield tail brush, including shell plate, preceding backplate, back backplate, preceding steel wire bundle, back steel wire bundle and a plurality of screw, the rear side of back backplate is provided with the reinforcing plate, the one end of preceding steel wire bundle and the one end of back steel wire bundle set up inside the shell plate through a steel wire bundle splint respectively, and steel wire bundle splint all are provided with a plurality of wave form indent for on the face about frid and it, the steel wire bundle both ends are provided with respectively bordures, and steel wire bundle splint pass through the screw connection with the steel wire bundle, the screw is countersunk screw. The utility model utilizes the steel wire bundle clamping plate to strengthen the extrusion effect on the steel wire bundle, so that the steel wire bundle can bear larger pulling force during working, and the reinforcing plate is additionally arranged to strengthen the elastic effect of the steel wire bundle; simultaneously, the tip of steel wire bundle splint adopts the structure of borduring, for this device provides the protection in welding the enhancement operation at last, avoids the steel wire bundle fusing condition to appear, has effectively guaranteed the quality of this device, reasonable in design, the production of being convenient for.

Description

Wave-shaped shield tail brush

Technical Field

The utility model belongs to the technical field of shield constructs quick-witted equipment, a wave form shield tail brush is related to.

Background

The shield machine is mainly applied to subway construction, tunnel excavation and pipe jacking construction, and the shield tail sealing brush plays a vital role in the shield construction tunneling process. The shield tail sealing brush is a component of soft soil and composite layer geological tunnel tunneling (shield machine) equipment, and plays a good role in sealing between a shield tail shell and a duct piece of the shield machine, so that engineering construction can be completed safely and smoothly.

In the prior art, patent CN201510678032.1 discloses a shield tail brush and a quick-release type shield tail sealing device, wherein the shield tail brush comprises a shield tail brush body and a shield tail brush mounting seat; the shield tail brush body comprises a base, a first guard plate and a second guard plate, and a longitudinal open slot is formed in the lower portion of the outer side of the base; the bottoms of the first guard plate and the second guard plate are respectively connected with the inner wall of the front side and the inner wall of the rear side of the base, and a partition plate is arranged between every two adjacent brush wire layers; the shield tail brush mounting seat comprises a seat body and a reinforcing rib; the base is arranged in the base body, and the reinforcing ribs are detachably embedded in the longitudinal open grooves. The quick-dismantling shield tail sealing device comprises a shield shell, wherein a support ring is arranged on the inner wall of the shield shell, a plurality of seat bodies are arranged on the support ring, and a base is arranged in each seat body. However, the device has the same problems as the existing shield tail brush that the last procedure in the traditional installation process can weld, strengthen and protect the sealing brush, the steel wires close to the edge are easy to fuse, the quality of the steel wire bundle is affected, and in addition, the backward force applied during the work has higher requirements on the stability of the steel wire bundle in the base, and once the steel wire bundle falls off to cause the failure of the sealing brush, the water leakage phenomenon can be caused, even the safety accidents such as tunnel collapse can be caused, and the consequences are not imaginable. Under the potential safety hazard, the quality of the sealing steel wire brush for the shield tail is quite important and critical. And if the shield tail brush is damaged, the shield tail brush is difficult or even impossible to repair and replace due to the working environment and the working position of the shield tail brush.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the technical problem that foretell shield tail brush exists, provide a reasonable in design, simple structure, intensity are higher, of high quality and longer wave form shield tail brush of life.

In order to achieve the above object, the present invention adopts the technical solution that the present invention provides a wave-shaped shield tail brush, comprising a shell plate, a guard plate, a steel wire bundle and a plurality of screws, wherein the steel wire bundle comprises a front steel wire bundle and a rear steel wire bundle which are stacked, the front side and the rear side of the steel wire bundle are respectively provided with the front guard plate and the rear guard plate, the wave-shaped shield tail brush is characterized in that the rear side of the rear guard plate is provided with a reinforcing plate, one end of the reinforcing plate is arranged inside the shell plate, one end of the front steel wire bundle and one end of the rear steel wire bundle are respectively arranged inside the shell plate through a steel wire bundle clamping plate, the steel wire bundle clamping plate is a groove plate and is provided with a plurality of wave-shaped press grooves on the upper surface and the lower surface thereof, the wave-shaped press grooves are press-fitted with the upper surface and the lower surface of the steel wire bundle, both ends of the steel wire bundle are, the screw is a countersunk screw, and a countersunk hole matched with the screw is formed in the shell plate.

Preferably, the end of the screw is welded to the shell plate.

Preferably, the flanges on the two cleat members extend from the plate surface on which they abut towards both ends and are bent towards the other plate surface of the cleat member on which they are located.

Preferably, a plurality of reinforcing strips are arranged on the central line of the rear side of the reinforcing plate at intervals, and the side surfaces of the reinforcing strips are curved surfaces.

Compared with the prior art, the utility model has the advantages and positive effects that,

1. the utility model provides a wave form shield tail brush, utilize the steel wire bundle splint that have the wave form indent structure to connect the tip of steel wire bundle inside the shell plate, strengthened the extrusion to the steel wire bundle, make it can bear bigger pulling force when working, and add the reinforcing plate in order to strengthen the elastic action of steel wire bundle; simultaneously, the tip of steel wire bundle splint adopts the structure of borduring, for this device provides the protection in welding the enhancement operation at last, avoids the steel wire bundle fusing condition to appear, has effectively guaranteed the quality of this device, reasonable in design, simple structure are fit for extensive the popularization.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.

FIG. 1 is an isometric view of a wave-shaped shield tail brush provided by an embodiment;

FIG. 2 is an isometric view of a wave-shaped shield tail brush of an embodiment in another orientation;

FIG. 3 is a schematic structural view of a tendon splint according to an embodiment;

in the above figures:

1. a shell plate; 2. a guard plate; 21. a front guard plate; 22. a rear guard plate; 3. a steel wire bundle; 31. a front steel wire bundle; 32. a rear steel wire bundle; 4. a screw; 5. a reinforcing plate; 51. a reinforcing strip; 6. a steel wire bundle splint; 61. wave-shaped pressure grooves; 7. edge covering; 8. and (4) countersinking.

Detailed Description

In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict. For convenience of description, the words "up", "down", "left", "right", "front" and "rear" used herein refer to the drawings in the same or similar direction, and do not limit the structure.

In the following description, 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 the present invention is not limited to the limitations of the specific embodiments of the present disclosure.

Embodiment, as shown in fig. 1, 2 and 3, the utility model provides a wave-shaped shield tail brush, including shell plate 1, backplate 2, steel wire bundle 3 and a plurality of screw 4, steel wire bundle 3 is including the preceding steel wire bundle 31 and the back steel wire bundle 32 that pile up the setting, and the front and back side of steel wire bundle 3 is provided with preceding backplate 21 and backplate 22 respectively. The shell plate 1 is made of Q235, serves as a base body of the shield tail brush, bears the internal structure of the shield tail brush, and is welded with the shield tail; the front and rear guard plates are made of 65Mn plates and support the steel wire bundles after being pressed into a certain angle; the front and rear groups of steel wire bundles are made of stainless steel wires and are used as the main part of the shield tail brush to play a role in sealing during working; the structures and functions of the front steel wire bundle 31, the rear steel wire bundle 32, the front guard plate 21, the rear guard plate 22 and the shell plate 1 are prior art, and the detailed description of the embodiment is omitted. The utility model discloses the focus is to the fixed knot of steel strand in the shell slab inside to improve to increased the work elasticity that 5 structures of reinforcing plate strengthened the steel strand, with this whole quality that improves this device, guaranteed that it has longer actual life.

Specifically, the utility model discloses the rear side at backplate 22 is provided with reinforcing plate 5, the one end setting of reinforcing plate 5 is inside shell plate 1, the one end of preceding steel wire bundle 31 and the one end of back steel wire bundle 32 set up inside the shell plate through a steel wire bundle splint 6 respectively, steel wire bundle splint 6 all is provided with a plurality of wave form indent 61 for on the face about frid and it, wave form indent 61 and steel wire bundle 3's upper and lower surface pressfitting, 3 both ends of steel wire bundle are provided with respectively bordures 7, bordure 7 wraps up the tip of steel wire bundle 3, steel wire bundle splint 6 passes through screw 4 with the steel wire bundle and is connected, screw 4 is countersunk screw, be provided with on the shell plate 1 with screw complex countersunk hole 8. The contact probability of the countersunk head screw and an external object is low, so that the working performance of the shield tail brush is ensured; the material of the reinforcing plate 5 is a 65Mn plate, and the reinforcing plate is close to the rear protection plate 22, so that the elasticity of the shield tail brush can be enhanced, and the sealing protection effect of the shield tail brush can be improved. The steel wire bundle clamping plate 6 is made of Q235 materials and mainly has the advantages that the steel wire bundle 3 is clamped tightly, particularly, the structure with the wave-shaped pressing groove 61 increases the contact area between the steel wire bundle and the steel wire bundle, the clamping effect is obvious, a certain elastic clamping effect is achieved, the steel wire cannot shift, the anti-tearing capability is good, and the integral quality of the shield tail brush is effectively guaranteed. Further, the device utilizes the edge 7 as edge sealing protection of the steel wire bundle, and can effectively avoid the problem of steel wire fusing when the shield tail brush is welded and installed on site after being assembled, thereby ensuring the integrity of the steel wire bundle 3, further ensuring the quality of the shield tail brush and being beneficial to improving the tunneling efficiency of the shield tunneling machine.

In order to improve the integrative performance of this device, the utility model provides a tip and the 1 welding of coverboard of screw 4, with shield tail brush pre-installation completion back, after the countersunk head screw inserted the reservation counter bore on the coverboard, again with their welding together, constitute a whole with shield tail brush, be favorable to guaranteeing that this device has higher practicality.

Further, the covered edges of the two wire bundle clamping plates 6 provided by the utility model extend from the close plate surfaces to the two ends and are bent towards the other plate surface of the wire bundle clamping plate where the two wire bundle clamping plates are positioned. On the one hand, this design is favorable to wrapping 3 of steel wire bundle in steel wire bundle splint 6 completely, and on the other hand avoids additionally welding to bordure and increases work load, and the holistic production degree of difficulty of steel wire bundle splint is lower, is favorable to promoting high-efficient production.

In order to improve the elasticity reinforcing ability of reinforcing plate, the utility model discloses the interval is provided with a plurality of enhancement strips 51 on the rear side central line of reinforcing plate 5, and the side of strengthening strip 51 is the curved surface. The reinforcing strip 51 is utilized to enable the reinforcing plate to have higher deformation resistance, so that the reinforcing plate is not easy to deform in the process of continuously playing the elasticity enhancing effect, the service life is longer, and the protective effect is obvious.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may use the above-mentioned technical contents to change or modify the equivalent embodiment into equivalent changes and apply to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical matters of the present invention will still fall within the protection scope of the technical solution of the present invention.

Claims (4)

1. A wave-shaped shield tail brush comprises a shell plate, a guard plate, a steel wire bundle and a plurality of screws, wherein the steel wire bundle comprises a front steel wire bundle and a rear steel wire bundle which are stacked, the front side and the rear side of the steel wire bundle are respectively provided with the front guard plate and the rear guard plate, it is characterized in that a reinforcing plate is arranged at the rear side of the rear guard plate, one end of the reinforcing plate is arranged in the shell plate, one end of the front steel wire bundle and one end of the rear steel wire bundle are respectively arranged in the shell plate through a steel wire bundle clamping plate, the steel wire bundle clamping plate is a groove plate, the upper plate surface and the lower plate surface of the steel wire bundle clamping plate are respectively provided with a plurality of wave-shaped pressing grooves, the wave-shaped pressing grooves are pressed with the upper surface and the lower surface of the steel wire bundle, the steel wire bundle clamping plate is characterized in that wrapping edges are respectively arranged at two ends of the steel wire bundle, the wrapping edges wrap the end part of the steel wire bundle, the steel wire bundle clamping plate is connected with the steel wire bundle through screws, the screws are countersunk screws, and countersunk holes matched with the screws are formed in the shell plate.

2. The wave-shaped shield tail brush according to claim 1, wherein the end of the screw is welded with the shell plate.

3. The wave-shaped shield tail brush according to claim 2, wherein the edge of the two wire bundle clamping plates extends from the plate surface where the two wire bundle clamping plates abut to both ends and is bent towards the other plate surface of the wire bundle clamping plate where the two wire bundle clamping plates are positioned.

4. The wave-shaped shield tail brush according to claim 3, wherein a plurality of reinforcing strips are arranged on the central line of the rear side of the reinforcing plate at intervals, and the side surfaces of the reinforcing strips are curved.

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