CN210134934U

CN210134934U - Protection device for underground pipeline during shield tunneling

Info

Publication number: CN210134934U
Application number: CN201920699060.5U
Authority: CN
Inventors: 史劲; 姬栋宇
Original assignee: HUNAN URBAN CONSTRUCTION COLLEGE
Current assignee: HUNAN URBAN CONSTRUCTION COLLEGE
Priority date: 2019-05-16
Filing date: 2019-05-16
Publication date: 2020-03-10
Anticipated expiration: 2029-05-16

Abstract

The utility model provides a protection device of underground pipeline when shield structure tunnelling, comprising a steel plate, two bilateral symmetry's third through-hole is seted up to the top side of steel sheet, bearing installation screw in the third through-hole respectively, the coaxial external gear ring of fixed mounting is distinguished to the upper end of screw periphery, the bottom side of the middle bearing connecting gear on steel sheet top side, external gear ring cooperates with gear engagement respectively, the lower extreme of the middle fixed connection vertical axis on gear top side, the upper end fixed mounting hand wheel of vertical axis, screw thread installation lead screw respectively in the screw, the lower extreme of lead screw is the top side of the same fixed plate of fixed connection respectively, the first through-hole of one row of several is evenly seted up to the top of fixed plate, the top of fixed plate is equipped with the backup pad with lead screw fixed connection, the first screw thread through-hole of one row of several is. The utility model discloses simple structure uses the simple operation, can fix the pipeline, avoids the pipeline to squint to all directions, can adapt to the fixed use of pipeline of multiple degree of depth.

Description

Protection device for underground pipeline during shield tunneling

Technical Field

The utility model belongs to underground works construction field, specifically speaking are pipeline's protection device when shield structure is tunneled.

Background

Shield tunneling is generally underground construction in a busy city, a plurality of complicated pipelines are encountered in the tunneling process, protection is needed, particularly a gas pipe, a tap water pipe and the like with pressure are needed, and if the protection measures are not appropriate, a plurality of unforeseen risks exist; the protection is implemented to the pipeline to the ground slip casting that adopts usually, nevertheless slip casting cross the stress that produces all directions easily among the coagulation process, the easy distortion of longer pipeline needs to fix the pipeline, current pipeline protection device only can be used for the pipeline to subside the back to the correction of pipeline, nevertheless leads to the condition emergence of pipeline junction appearance leakage after pipeline subsides a bit easily, current pipeline protection device can't satisfy actual demand, so I have designed the protection device of pipeline underground when neotype shield tunnelling.

SUMMERY OF THE UTILITY MODEL

The utility model provides a pipeline's protection device when shield constructs tunnelling for solve the defect among the prior art.

The utility model discloses a following technical scheme realizes:

the utility model provides a protection device of underground pipeline when shield structure tunnelling, comprising a steel plate, two bilateral symmetry's third through-hole is seted up to the top side of steel sheet, bearing installation screw in the third through-hole respectively, the coaxial external gear ring of fixed mounting is distinguished to the upper end of screw periphery, the bottom side of the middle bearing connecting gear on steel sheet top side, external gear ring cooperates with gear engagement respectively, the lower extreme of the middle fixed connection vertical axis on gear top side, the upper end fixed mounting hand wheel of vertical axis, the threaded installation lead screw respectively in the screw, the lower extreme of lead screw is the top side of the same fixed plate of fixed connection respectively, the first through-hole of one row of several is evenly seted up to the top of fixed plate, the top of fixed plate is equipped with the backup pad with lead screw fixed connection, the first screw through-hole of one row of several is seted up to the top side of backup pad, the difference threaded installation.

The protection device for the underground pipeline during shield tunneling comprises a steel wire rope clamping plate, wherein the top side of the upper clamping plate is connected with the lower end bearing of the corresponding long bolt, a lower clamping plate is arranged under the upper clamping plate, the top side of the upper clamping plate is provided with second through holes which are bilaterally symmetrical, the top side of the lower clamping plate is provided with second threaded through holes corresponding to the second through holes respectively, the second threaded through holes are collinear with the central lines of the corresponding second through holes respectively, bolts are arranged in the second through holes respectively and are in threaded connection with the corresponding second threaded through holes respectively.

According to the protection device for the underground pipeline during shield tunneling, the bottom side of the upper clamping plate and the top side of the lower clamping plate are respectively provided with the transverse keel.

According to the protection device for the underground pipeline during shield tunneling, the small hand wheels are fixedly installed at the upper ends of the long bolts respectively.

According to the protection device for the underground pipeline during shield tunneling, the left side and the right side of the bottom side of the steel plate are respectively and fixedly connected with the top side of the retaining plate, and the retaining plate is positioned on the outer side of the screw rod.

The utility model has the advantages that: the utility model discloses simple structure uses the simple operation, can fix the pipeline, avoids the pipeline to squint to all directions, can adapt to the fixed use of pipeline of multiple degree of depth, uses the simple operation, can satisfy actual demand, is fit for promoting. When the utility model is used, the steel plate is covered above the pipeline slot, the bottom side of the steel plate is contacted with the ground, the lead screw is inserted into the pipeline slot, the steel wire rope is used to pass through the lower part of the pipeline, then the two ends of the steel wire rope pass through the corresponding first through hole above the pipeline, and the steel wire rope clamping plates clamp and fix the two ends of the same steel wire rope, as shown in the figure, then the vertical shaft is rotated by the hand wheel, the vertical shaft drives the outer gear ring to rotate through the gear, the outer gear ring drives the corresponding screw to rotate, the lead screw moves downwards until the bottom side of the fixed plate is contacted and matched with the top side of the pipeline, then the long bolt is twisted, the long bolt drives the corresponding steel wire rope clamping plate to move upwards, the two ends of the steel wire rope are pulled by the steel wire rope clamping plates, the pipeline is fixed at the bottom side of, stopping grouting, after the grouting is solidified, removing the fixation of the steel wire rope clamping plates on the two ends of the steel wire rope, taking down the device, continuously using mortar to fill the pipeline in the grooves, and because the pipeline is fixed on the bottom side of the fixing plate by the steel wire rope, the pipeline cannot be deviated due to stress in all directions generated during the grouting solidification, and meanwhile, the influence of grouting sedimentation on the pipeline is avoided, and the pipeline is well protected.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described 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 a schematic structural diagram of the present invention; fig. 2 is an enlarged view of part i of fig. 1.

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. 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.

A protection device for underground pipelines during shield tunneling comprises a steel plate 1, wherein two third through holes 2 which are bilaterally symmetrical are formed in the top side of the steel plate 1, nuts 3 are respectively arranged in the third through holes 2 in a bearing mode, coaxial outer gear rings 4 are respectively and fixedly arranged at the upper ends of the peripheries of the nuts 3, an intermediate bearing on the top side of the steel plate 1 is connected with the bottom side of a gear 5, the outer gear rings 4 are respectively meshed and matched with the gear 5, the middle of the top side of the gear 5 is fixedly connected with the lower end of a vertical shaft 6, a hand wheel 7 is fixedly arranged at the upper end of the vertical shaft 6, lead screws 8 are respectively and fixedly arranged in the nuts 3 in a threaded mode, the lower ends of the lead screws 8 are respectively and fixedly connected with the top side of the same fixing plate 9, a row of a plurality of first through holes 10 are uniformly formed in the top side of the fixing plate, the first threaded through holes 12 are internally provided with long bolts 13 in a threaded manner respectively, and the lower ends of the long bolts 13 are connected with the top sides of the wire rope clamping plates 14 in a bearing manner respectively. The utility model discloses simple structure uses the simple operation, can fix the pipeline, avoids the pipeline to squint to all directions, can adapt to the fixed use of pipeline of multiple degree of depth, uses the simple operation, can satisfy actual demand, is fit for promoting. When the utility model is used, the steel plate 1 is covered above the pipeline slot, the bottom side of the steel plate 1 is contacted with the ground, the lead screw 8 is inserted into the pipeline slot, the steel wire rope is used to pass through the lower part of the pipeline, then the two ends of the steel wire rope pass through the corresponding first through hole 10 above the pipeline, and the steel wire rope clamping plates 14 clamp and fix the two ends of the same steel wire rope, as shown in figure 1, then the vertical shaft 6 is rotated by the hand wheel 7, the vertical shaft 6 drives the outer gear ring 4 to rotate by the gear 5, the outer gear ring 4 drives the corresponding screw nut 3 to rotate, the lead screw 8 moves downwards until the bottom side of the fixed plate 9 is contacted and matched with the top side of the pipeline, then the long bolt 13 is twisted, the long bolt 13 drives the corresponding steel wire rope clamping plate 14 to move upwards, the steel wire rope clamping plates 14 pull the two ends of the steel wire rope, and then grouting into the pipeline slot until the bottom side of the grouting fixing plate 9 is in contact fit, stopping grouting, after grouting solidification, removing the fixation of the steel wire rope clamping plates 14 on the two ends of the steel wire rope, taking down the device, and continuously using mortar to fill up the pipeline slot.

Specifically, as shown in the figure, the wire rope clamping plate 14 according to the embodiment includes an upper clamping plate 141, a top side of the upper clamping plate 141 is connected to a lower end bearing of the corresponding long bolt 13, a lower clamping plate 142 is disposed under the upper clamping plate 141, second through holes 143 that are bilaterally symmetric are formed in the top side of the upper clamping plate 141, second threaded through holes 144 are formed in the top side of the lower clamping plate 142 corresponding to the second through holes 143, the second threaded through holes 144 are collinear with center lines of the corresponding second through holes 143, bolts 145 are disposed in the second through holes 143, and the bolts 145 are respectively in threaded connection with the corresponding second threaded through holes 144. The two ends of the wire rope are respectively arranged between the upper clamp plate 141 and the lower clamp plate 142, the bolt 145 is tightened, clamping force is generated between the upper clamp plate 141 and the lower clamp plate 142, and the wire rope is clamped and fixed.

Specifically, as shown in the drawings, the bottom side of the upper clamping plate 141 and the top side of the lower clamping plate 142 are respectively provided with a transverse keel 15. The rail 15 can make the wire rope clamping plate 14 clamp and fix the wire rope more firmly.

Further, as shown in the drawings, small hand wheels 16 are fixedly mounted on the upper ends of the long bolts 13 in the embodiment respectively. The long bolt 13 can be directly rotated by hand through the small hand wheel 16, so that the long bolt 13 can be conveniently adjusted up and down.

Further, as shown in the drawings, the left and right sides of the bottom side of the steel plate 1 according to the present embodiment are fixedly connected to the top side of a retaining plate 17, respectively, and the retaining plate 17 is located outside the screw rod 8. Fill the mortar between the lateral wall that the outside of retaining board 17 and the fluting soil body correspond, adopt the support square timber to support between the retaining board 17 simultaneously, avoid retaining board 17 incurved and draw close, the stability of being connected between this device and the ground fluting can be increased to retaining board 17.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides a protection device of underground pipeline when shield tunnelling which characterized in that: comprises a steel plate (1), two third through holes (2) which are bilaterally symmetrical are formed in the top side of the steel plate (1), nuts (3) are respectively arranged in the third through holes (2) in a bearing mode, coaxial outer gear rings (4) are respectively and fixedly arranged at the upper ends of the peripheries of the nuts (3), an intermediate bearing on the top side of the steel plate (1) is connected with the bottom side of a gear (5), the outer gear rings (4) are respectively meshed and matched with the gear (5), the middle of the top side of the gear (5) is fixedly connected with the lower end of a vertical shaft (6), a hand wheel (7) is fixedly arranged at the upper end of the vertical shaft (6), lead screws (8) are respectively and threadedly arranged in the nuts (3), the lower ends of the lead screws (8) are respectively and fixedly connected with the top side of the same fixing plate (9), a row of a plurality of first through holes (10) are uniformly formed in the top side of the fixing plate, a row of a plurality of first threaded through holes (12) are formed in the top side of the supporting plate (11), long bolts (13) are respectively installed in the first threaded through holes (12) in a threaded mode, and the lower ends of the long bolts (13) are respectively connected with the top side of the steel wire rope clamping plate (14) through bearings.

2. The protection device for the underground pipeline during shield tunneling according to claim 1, characterized in that: wire rope splint (14) include punch holder (141), the top side of punch holder (141) is connected with the lower extreme bearing of corresponding longbolt (13), be equipped with lower plate (142) under punch holder (141), bilateral symmetry's second through-hole (143) are seted up to the top side of punch holder (141), second screw through-hole (144) are seted up respectively to the top side of lower plate (142) corresponding second through-hole (143), second screw through-hole (144) respectively with corresponding second through-hole (143) central line collineation, be equipped with bolt (145) in the second through-hole (143) respectively, bolt (145) respectively with corresponding second screw through-hole (144) threaded connection.

3. The protection device for the underground pipeline during shield tunneling according to claim 2, wherein: the bottom side of the upper clamping plate (141) and the top side of the lower clamping plate (142) are respectively provided with a transverse keel (15).

4. The protection device for the underground pipeline during shield tunneling according to claim 1, characterized in that: and small hand wheels (16) are respectively and fixedly installed at the upper ends of the long bolts (13).

5. The protection device for the underground pipeline during shield tunneling according to claim 1, characterized in that: the left side and the right side of the bottom side of the steel plate (1) are respectively fixedly connected with the top sides of the retaining plates (17), and the retaining plates (17) are positioned on the outer sides of the screw rods (8).