CN210768779U

CN210768779U - Liftable shield constructs quick-witted framework

Info

Publication number: CN210768779U
Application number: CN201921920662.5U
Authority: CN
Inventors: 尤浪; 白鹏
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-08
Filing date: 2019-11-08
Publication date: 2020-06-16
Anticipated expiration: 2029-11-08

Abstract

The utility model discloses a liftable shield machine framework in the technical field of shield machines, which comprises a bottom frame and a shield machine main body, wherein a plurality of groups of side beams are symmetrically welded on the left side and the right side of the top of the bottom frame, a plurality of groups of side beams are symmetrically welded on the top of the side beams on the left side and the right side, a plurality of groups of jack columns are movably inserted in the supporting beams in an inclined way, and a plurality of groups of jack columns are internally provided with jack screws in a screwed way by uniform threads, the bottom ends of the jack screws on the front side penetrate through the reinforcing beams on the front side and are connected with the output end of a servo motor, the utility model drives the jack screws on the front side to rotate by the servo motor, and the jack screws on the front side and other groups of jack screws realize transmission by the matching of chain wheels and transmission chains, thereby realizing the synchronous rotation of the plurality of groups of jack screws, the use cost is low, the use synchronism is high, and the height adjustment operation is stable.

Description

Liftable shield constructs quick-witted framework

Technical Field

The utility model relates to a shield constructs quick-witted technical field, specifically is a shield constructs quick-witted framework of liftable.

Background

Shield construction has become a mature construction technology in the engineering field and is widely applied to subway construction.

The dark turning of the shield tunneling machine is as follows: and (3) performing reversing reverse tunneling after the tunneling of the single-line tunnel is finished and the shield machine is communicated under the condition that the single shield machine is put into the tunneling construction of the two-line tunnel in the region. Compared with a transition process, the turning process can save the transportation cost of the shield machine in the transition, shorten the turning time, reduce the disassembling process of the main body of the shield machine, and greatly reduce the related technical complexity after the separation of the back supporting equipment is completed, so that the shield machine is applied to a certain degree.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a shield constructs framework of liftable to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a liftable shield machine framework comprises an underframe and a shield machine main body, wherein a plurality of groups of side beams are symmetrically welded on the left side and the right side of the top of the underframe, a plurality of groups of left side beams and right side beams are symmetrically welded on the top of the side beams, the other ends of the supporting beams are welded with the top of the underframe, a longitudinal beam is arranged between every two adjacent groups of side beams, a longitudinal beam is arranged between every two adjacent groups of supporting beams, one side of each supporting beam, which is close to the side beam, is welded with a reinforcing beam, the other end of each reinforcing beam is welded with the top of the underframe, a jack column is movably inserted in the supporting beams in an inclined mode, the tops of the plurality of groups of left side beams and right side beams are provided with longitudinal steel rails matched with the shield machine main body, the top of the jack column is welded with, and the bottom ends of the jack screws are movably connected with the top of the stiffening beam through bearings, the bottom ends of the jack screws on the front side penetrate through the stiffening beam on the front side and are connected with the output end of the servo motor, chain wheels are sleeved at the bottoms of the outer walls of the multiple groups of jack screws, and the multiple groups of chain wheels are in transmission connection through transmission chains.

Furthermore, the bottom of the outer wall of one side, close to the side beam, of the jack column is welded with a connecting rod, one end, far away from the jack column, of the connecting rod is welded with a supporting sliding block, and a supporting sliding groove matched with the supporting sliding block is vertically formed in one side, close to the connecting rod, of the side beam.

Furthermore, a reinforced steel plate with the thickness of 2cm is welded at the bottom of the section steel of the longitudinal steel rail.

Furthermore, reinforcing ribs are uniformly welded between the periphery of the outer wall of the jack column and the bottom of the longitudinal steel rail.

Furthermore, the bottom of the jack column is provided with a blind hole, and the inner wall of the blind hole is provided with an inner thread groove matched with the jack screw rod.

Furthermore, the side beams and the support beams are welded to form a support frame with an L-shaped vertical section.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a servo motor drives the very heavy lead screw rotation of front side, realizes the transmission through sprocket and drive chain's cooperation between the very heavy lead screw of front side and the very heavy lead screw of other several groups, and then realizes that the very heavy lead screw of multiunit rotates in step, makes multiunit jack post carry out the operation of going up and down in step to adjustment shield constructs quick-witted main part height, and effectual assurance is used in the homogeneity on vertical rail power, and not only use cost is low, and it is high to use the synchronism simultaneously, and the height adjustment operation is stable.

Drawings

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

fig. 2 is an enlarged view of the structure a in fig. 1 according to the present invention.

In the figure: 1. a chassis; 2. a shield tunneling machine main body; 3. a side beam; 4. a support beam; 5. a reinforcing beam; 6. a jack post; 7. longitudinal rails; 8. a servo motor; 9. connecting a bearing; 10. a support slide block; 11. a jack screw; 12. a sprocket; 13. a drive chain; 14. a connecting rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: a liftable shield machine frame, please refer to fig. 1, which comprises an underframe 1 and a shield machine main body 2, wherein the underframe 1 is formed by welding a plurality of groups of mutually parallel cross beams through a plurality of groups of longitudinal beams, the underframe 1 and the shield machine main body 2 are widely applied in the field, the structure and principle of which are well known to those skilled in the art and will not be described in detail herein, the underframe 1 is provided with a plurality of sets of side beams 3 at the top, left and right sides, symmetrically welded at the top, a plurality of sets of support beams 4 at the left and right sides, 3 symmetrically welded at the top, the other ends of the supporting beams 4 are welded with the top of the underframe 1, a longitudinal beam is arranged between two adjacent groups of side beams 3, a longitudinal beam is arranged between two adjacent groups of supporting beams 4, the overall strength is improved, a reinforcing beam 5 is welded on one side of each supporting beam 4 close to the side beam 3, the strength is further improved, the other end of the stiffening beam 5 is welded with the top of the underframe 1, and the electric element in the utility model is connected with an external power supply through a lead;

referring to fig. 1, a plurality of groups of support beams 4 are movably inserted with a jack column 6 in an inclined manner, the support beams 4 are provided with movable holes matched with the jack column 6, longitudinal steel rails 7 matched with the shield tunneling machine main body 2 are arranged at the tops of the plurality of groups of support beams 4 on the left side and the right side, the longitudinal steel rails 7 support the shield tunneling machine main body 2, and the tops of the jack columns 6 are welded with the bottoms of the longitudinal steel rails 7;

referring to fig. 1, a servo motor 8 is fixedly arranged on the outer wall of the bottom of the front side stiffening beam 5, and can adopt a screw or bolt fixing mode, a jack screw rod 11 is screwed in each of a plurality of sets of jack columns 6, the bottom ends of the jack screws 11 are movably connected with the top of the stiffening beam 5 through bearings, the bottom end of the front jack screw 11 penetrates through the front stiffening beam 5 and is connected with the output end of the servo motor 8, the bottom parts of the outer walls of the plurality of sets of jack screws 11 are sleeved with chain wheels 12, and the plurality of groups of chain wheels 12 are in transmission connection through a transmission chain 13, the servo motor 8 drives the front jack screw rod 11 to rotate, the front jack screw rod 11 and other sets of jack screw rods 11 realize transmission through the matching of the chain wheels 12 and the transmission chain 13, so as to realize the synchronous rotation of the plurality of groups of jack screw rods 11, so that the lifting of the multiple groups of jack columns 6 is realized, and the uniformity of the force acting on the longitudinal steel rail 7 is further ensured;

as shown in fig. 1: the bottom of the outer wall of one side, close to the side beam 3, of the jack column 6 is welded with a connecting rod 14, one end, far away from the jack column 6, of the connecting rod 14 is welded with a supporting sliding block 10, a supporting sliding groove matched with the supporting sliding block 10 is vertically formed in one side, close to the connecting rod 14, of the side beam 3, and the supporting sliding block 10 is matched with the supporting sliding groove, so that the jack column 6 is prevented from contacting the chain wheel 12 downwards, and meanwhile, the jack column 6 cannot be driven to rotate by the jack screw rod 11;

a reinforcing steel plate (not shown in the figure) with the thickness of 2cm is welded at the bottom of the section steel of the longitudinal steel rail 7, so that the whole body is prevented from being stressed and deformed;

as shown in fig. 1: reinforcing ribs are uniformly welded between the periphery of the outer wall of the jack column 6 and the bottom of the longitudinal steel rail 7, so that the connection strength of the jack column 6 and the longitudinal steel rail 7 is ensured;

as shown in fig. 1: the bottom of the jack column 6 is provided with a blind hole, the inner wall of the blind hole is provided with an inner thread groove matched with the jack screw rod 11, and the jack screw rod 11 rotates to drive the jack column 6 to lift through the matching of the inner thread groove and the external thread of the outer wall of the jack screw rod 11;

as shown in fig. 1: the side beams 3 and the support beams 4 are welded to form a support frame with an L-shaped vertical section, so that the support strength is ensured;

although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a shield constructs quick-witted framework of liftable, includes chassis (1) and shield constructs quick-witted main part (2), its characterized in that: the shield machine is characterized in that a plurality of groups of side beams (3) are symmetrically welded on the left side and the right side of the top of the chassis (1) in an inclined manner, a plurality of groups of the left side and the right side are symmetrically welded on the top of the side beams (3) in a supporting manner, the other ends of the supporting beams (4) are welded on the top of the chassis (1), two groups of the adjacent side beams (3) are provided with longitudinal beams, two groups of the adjacent supporting beams (4) are provided with longitudinal beams, one side of each supporting beam (4) close to the side beam (3) is welded with a reinforcing beam (5), the other end of each reinforcing beam (5) is welded with the top of the chassis (1), a plurality of groups of the supporting beams (4) are movably inserted and connected with a jack column (6) in an inclined manner, the tops of the supporting beams (4) on the left side and the right side are provided with longitudinal steel rails (7) matched with the main, the multiple sets of jack columns (6) are internally provided with jack screws (11) in a screwed manner, the bottoms of the jack screws (11) are movably connected with the top of a reinforcing beam (5) through bearings, the bottoms of the jack screws (11) penetrate through the reinforcing beam (5) on the front side and are connected with the output end of a servo motor (8), the multiple sets of jack screws (11) are sleeved with chain wheels (12) at the bottom of the outer wall, and the multiple sets of jack screws (12) are in transmission connection through transmission chains (13).

2. The liftable shield tunneling machine frame of claim 1, wherein: the bottom of the outer wall of one side, close to the side beam (3), of the jack column (6) is welded with a connecting rod (14), one end, far away from the jack column (6), of the connecting rod (14) is welded with a supporting sliding block (10), and a supporting sliding groove matched with the supporting sliding block (10) is vertically formed in one side, close to the connecting rod (14), of the side beam (3).

3. The liftable shield tunneling machine frame of claim 1, wherein: and a reinforced steel plate with the thickness of 2cm is welded at the bottom of the section steel of the longitudinal steel rail (7).

4. The liftable shield tunneling machine frame of claim 1, wherein: reinforcing ribs are uniformly welded between the periphery of the outer wall of the jack column (6) and the bottom of the longitudinal steel rail (7).

5. The liftable shield tunneling machine frame of claim 1, wherein: the bottom of the jack column (6) is provided with a blind hole, and the inner wall of the blind hole is provided with an inner thread groove matched with the jack screw rod (11).

6. The liftable shield tunneling machine frame of claim 1, wherein: the side beams (3) and the support beams (4) are welded to form a support frame with an L-shaped vertical section.