CN217501712U - Supporting device for water-rich soft soil shield construction - Google Patents

Abstract

The utility model relates to a strutting arrangement field especially relates to a rich water weak soil shield constructs construction and uses strutting arrangement. Rich water weak soil shield constructs strutting arrangement for construction includes the base, the last fixed surface of base has the installation pole, the last fixed surface of installation pole has the cylinder, the last fixed surface of cylinder has the backup pad, be fixed with the first arc that equals with tunnel top diameter in the backup pad, two lateral walls that the installation pole is relative all are provided with the telescopic link, the telescopic link sets up the loop bar in the sleeve including fixing sleeve and the slip on the installation pole lateral wall, the loop bar is kept away from and is fixed with the mounting panel on the telescopic lateral wall, be provided with the second arc that is used for supporting the tunnel inner wall on the mounting panel, be provided with the fixed subassembly that is used for fixed loop bar on the sleeve. The utility model provides a rich water weak soil shield constructs construction and uses strutting arrangement has the advantage that makes the left branch fagging support tight tunnel inner wall all the time.

Description

Supporting device for water-rich soft soil shield construction

Technical Field

The utility model relates to a strutting arrangement field especially relates to a rich water weak soil shield constructs construction and uses strutting arrangement.

Background

The shield segment is a main assembly component for shield construction, is the innermost barrier of the tunnel and plays a role in resisting soil layer pressure, underground water pressure and some special loads, the shield segment is a permanent lining structure of the tunnel by a shield method, and the quality of the shield segment is directly related to the overall quality and safety of the tunnel, so that the waterproof performance and the durability of the tunnel are influenced.

A section of jurisdiction strutting arrangement for subway shield tunnel construction is disclosed in the chinese utility model patent that bulletin number is CN212614745U, including the stand, the both sides of stand all are provided with telescopic machanism, and one side of left side telescopic machanism is provided with left supporting mechanism, and one side of right side telescopic machanism is provided with right supporting mechanism, the top of stand and the spacing seat of the equal fixedly connected with in bottom.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: the position of above-mentioned device through fixed plate one and screw rod to the left branch fagging is adjusted, when the threaded rod received external force, easily takes place relative rotation between threaded rod and the screwed pipe to make the position of left branch fagging change, be unfavorable for improving the stability of left branch fagging.

Therefore, it is necessary to provide a new supporting device for the water-rich soft soil shield construction to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a rich water weak soil shield constructs supporting device for construction with can make left branch fagging support tight tunnel inner wall all the time.

The utility model provides a rich water weak soil shield constructs construction and uses strutting arrangement includes: the base, the last fixed surface of base has the installation pole, the last fixed surface of installation pole has the cylinder, the last fixed surface of cylinder has the backup pad, be fixed with the first arc that equals with tunnel top diameter in the backup pad, two lateral walls that the installation pole is relative all are provided with the telescopic link, the telescopic link sets up the loop bar in the sleeve including fixing the sleeve on the installation pole lateral wall and sliding, the loop bar is kept away from and is fixed with the mounting panel on the telescopic lateral wall, be provided with the second arc that is used for supporting the tunnel inner wall on the mounting panel, be provided with the fixed subassembly that is used for fixed loop bar on the sleeve.

When the position of second arc need be adjusted to the staff, the staff only need to slide the slide bar to the direction of keeping away from the loop bar axis, can make slide bar and fixed block alternate segregation, thereby make the second arc to the reverse movement who keeps away from the installation pole, and finally support the inner wall in tight tunnel, furthermore, the staff need make the installation pole reset, thereby make the lateral wall of installation pole support the lateral wall of tight fixed block, and then reduced the probability that the loop bar removed when receiving external force, thereby the stability of second arc has been improved.

Preferably, the upper surface of mounting panel has seted up the spout, it is provided with the slide bar to slide in the spout, the slide bar is kept away from and is fixed with the slide on the lateral wall of spout, the lateral wall and the second arc reciprocal anchorage of spout are kept away from to the slide. When the staff need make second arc and mounting panel fixed each other, the staff only need make slide and second arc reciprocal anchorage to make slide bar and spout interconnect can, thereby reduced the staff and made the degree of difficulty of slide and second arc interconnect, thereby reduced the efficiency that the staff changed the second arc.

Preferably, the sliding tray has been seted up on the telescopic outer wall, fixed subassembly is including sliding the slide bar that sets up in the sliding tray, fixing the loop bar and keeping away from the spring on the mounting panel lateral wall, fixing the dead lever and a plurality of equidistant fixed blocks of fixing on the dead lever is close to the sliding tray lateral wall on the mounting panel lateral wall that the loop bar is kept away from, the other end of spring is fixed on the inner wall that the loop bar was kept away from to the sleeve. When the position of second arc need be adjusted to the staff, the staff need make slide bar and fixed block alternate segregation, can make the second arc to keeping away from the reverse movement of installation pole under the effect of spring to finally support the inner wall in tight tunnel. When the staff need not to use the second arc, the staff only need to slide the slide bar to the direction that is close to the loop bar axis, can make the lateral wall of slide bar support the lateral wall of tight one of them fixed block under the effect of spring to reduce the probability that the second arc removed, and then improved the stability of second arc.

Preferably, a plurality of clamping grooves distributed at equal intervals are formed in the side wall, close to the sliding groove, of the fixed rod, and the clamping grooves are matched with the sliding rod. When the second arc supported the inner wall in tight tunnel under the effect of spring, the staff only needed to slide the slide bar to the direction that is close to the loop bar axis to make slide bar and draw-in groove interconnect, can make the slide bar remain stable, thereby reduced when the slide bar receives external force with the probability of sliding tray alternate segregation, and reduced when the loop bar receives external force with the sleeve take place relative slip's probability.

Preferably, the edge of the fixed block, which is intersected with the side wall of the fixed block close to the sliding groove and the side wall of the fixed block far away from the loop bar, is provided with an inclined surface. When the staff to the direction slip slide bar that is close to the loop bar axis, if the slide bar is just right with the inclined plane, the staff only needs to continue to slide the slide bar, can make the slide bar support tight inclined plane and make the second arc continuously extrude the inner wall in tunnel to the staff has been reduced and has made slide bar and draw-in groove interconnect's the degree of difficulty.

Preferably, an external thread is arranged at one end, close to the clamping groove, of the sliding rod, and an internal thread matched with the external thread is formed in the inner wall of the clamping groove. After the staff makes slide bar and draw-in groove interconnect, the staff only need rotate the slide bar, can make external screw thread and internal thread interconnect to the probability of mutual separation with the sliding tray when further having reduced the slide bar and having received external force.

Preferably, one end of the fixed rod, which is far away from the loop bar, is in sliding connection with the inner wall of the sleeve, which is far away from the mounting plate. The probability that the fixed rod shakes when being subjected to external force is reduced, and therefore the stability of the loop bar is improved.

Preferably, the outer walls of the second arc-shaped plate and the first arc-shaped plate are both provided with rubber sheets. Rubber has good elasticity, and the sheet rubber that adopts rubber to make has improved the biggest stiction upper limit between second arc and first arc and the tunnel inner wall to reduced the probability that relative slip took place for second arc and first arc and tunnel inner wall, and then improved strutting arrangement's effect.

Compared with the prior art, the utility model provides a rich water weak soil shield constructs supporting device for construction has following beneficial effect:

the utility model provides a rich water weak soil shield constructs strutting arrangement for construction, when the staff need adjust the position of second arc, the staff only needs to the direction slip slide bar of keeping away from the loop bar axis, can make slide bar and fixed block alternate segregation, thereby make the second arc to the reverse movement who keeps away from the installation pole, and finally support the inner wall in tight tunnel, furthermore, the staff needs to make the installation pole reset, thereby make the lateral wall of installation pole support the lateral wall of tight fixed block, and then the probability that the loop bar removed when receiving external force has been reduced, thereby the stability of second arc has been improved.

Drawings

Fig. 1 is a schematic structural view of a preferred embodiment of the supporting device for the water-rich soft soil shield construction provided by the present invention;

FIG. 2 is a schematic structural view of the slide bar and the slide plate shown in FIG. 1;

FIG. 3 is a schematic cross-sectional view of the telescopic rod shown in FIG. 1;

fig. 4 is a schematic structural view of the fixing assembly shown in fig. 1.

Reference numbers in the figures: 1. a base; 2. mounting a rod; 21. a cylinder; 3. a support plate; 4. a first arc-shaped plate; 5. a telescopic rod; 51. a sleeve; 52. a loop bar; 6. mounting a plate; 61. a second arc-shaped plate; 62. a sliding groove; 7. a fixing assembly; 71. a slide bar; 72. a spring; 73. fixing the rod; 74. a fixed block; 8. a chute; 81. a slide bar; 82. a slide plate; 9. a card slot; 91. an inclined surface; 92. a rubber sheet.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The following detailed description is provided for the specific embodiments of the present invention.

Referring to fig. 1 to 4, an embodiment of the utility model provides a supporting device for construction of rich water soft soil shield, the supporting device for construction of rich water soft soil shield includes base 1, installation pole 2, cylinder 21, backup pad 3, first arc 4, telescopic link 5, mounting panel 6, second arc 61, fixed subassembly 7, slide bar 81 and slide 82. The base 1 is a rectangular plate-shaped structure, and the base 1 is arranged on the inner bottom wall of the tunnel. The mounting rod 2 is a rectangular rod-shaped structure, and the mounting rod 2 is fixed on the upper surface of the base 1. The cylinder 21 is fixed on the upper surface of the mounting rod 2, and the axis of the piston rod of the cylinder 21 is vertical. The supporting plate 3 is a rectangular plate-shaped structure, and the supporting plate 3 and the upper surface of the piston rod of the cylinder 21 are fixed with each other. The first arc-shaped plate 4 is of a plate-shaped structure with a circular arc-shaped cross section, the first arc-shaped plate 4 is fixed on the supporting plate 3, and the outer diameter of the first arc-shaped plate 4 is equal to the diameter of the top of the tunnel.

The telescopic rod 5 is provided with two parts which are respectively arranged on two opposite side walls of the mounting rod 2, and the telescopic rod 5 comprises a sleeve 51 and a loop bar 52. The sleeve 51 is a rod-shaped structure with one end open, and the sleeve 51 is fixed on the side wall of the mounting rod 2. The sleeve rod 52 is a round rod-shaped structure, the axis of the round rod-shaped structure is horizontal, and the sleeve rod 52 is arranged in the sleeve 51 in a sliding mode. The mounting plate 6 is a rectangular plate-shaped structure, and the mounting plate 6 is fixed on the side wall of the sleeve rod 52 far away from the sleeve 51. The second arc-shaped plate 61 is a plate-shaped structure with a circular arc-shaped cross section, and the second arc-shaped plate 61 is arranged on the mounting plate 6 and used for supporting the inner wall of the tunnel.

The outer wall of the sleeve 51 is provided with a sliding groove 62, the fixing component 7 is arranged on the sleeve 51 and used for fixing the loop bar 52, and the fixing component 7 comprises a sliding bar 71, a spring 72, a fixing bar 73 and a fixing block 74. The sliding rod 71 is a round rod-shaped structure, the axis of the sliding rod is horizontal, and the sliding rod 71 is arranged in the sliding groove 62 in a sliding mode. One end of the spring 72 is fixed to the side wall of the sleeve 52 remote from the mounting plate 6 and the other end of the spring 72 is fixed to the inner wall of the sleeve 51 remote from the sleeve 52. The fixing rod 73 is a rectangular rod-shaped structure, and the fixing rod 73 is fixed on the side wall of the loop bar 52 far away from the mounting plate 6. The fixing block 74 is a rectangular block structure, and a plurality of fixing blocks 74 are arranged and fixed on the side wall of the fixing rod 73 close to the sliding groove 62 at equal intervals.

When the worker needs to adjust the position of the second arc-shaped plate 61, the worker needs to separate the sliding rod 71 from the fixed block 74, so that the second arc-shaped plate 61 moves in the opposite direction away from the installation rod 2 under the action of the spring 72 and finally abuts against the inner wall of the tunnel. When the staff need not to use second arc 61, the staff only need to slide rod 71 to the direction that is close to loop bar 52 axis, can make the lateral wall of slide rod 71 support the lateral wall of tight one of them fixed block 74 under the effect of spring 72 to the probability that second arc 61 removed has been reduced, and then has improved second arc 61's stability.

The upper surface of the mounting plate 6 is provided with a sliding chute 8, the sliding rod 81 is of a rectangular rod-shaped structure, and the sliding rod 81 is arranged in the sliding chute 8 in a sliding manner. The sliding plate 82 is a plate-shaped structure, the sliding plate 82 is fixed on the side wall of the sliding rod 81 far away from the sliding chute 8, and the side wall of the sliding plate 82 far away from the sliding chute 8 and the second arc-shaped plate 61 are fixed to each other. When the staff need make second arc 61 and mounting panel 6 fixed each other, the staff only need make slide 82 and second arc 61 fixed each other to make slide bar 81 and spout 8 interconnect can, thereby reduced the staff and made the degree of difficulty of slide 82 and second arc 61 interconnect, thereby reduced the efficiency that the staff changed second arc 61.

In order to reduce the probability of relative sliding between the sleeve 51 and the loop bar 52 when external force is applied, a plurality of slots 9 are formed on the side wall of the fixed bar 73 close to the sliding groove 62, and the slots 9 are matched with the sliding bar 71. When the second arc-shaped plate 61 abuts against the inner wall of the tunnel under the action of the spring 72, the worker only needs to slide the sliding rod 71 in the direction close to the axis of the loop bar 52 and connect the sliding rod 71 and the clamping groove 9 with each other, so that the sliding rod 71 can be kept stable, the probability that the sliding rod 71 is separated from the sliding groove 62 when being subjected to external force is reduced, and the probability that the loop bar 52 slides relative to the sleeve 51 when being subjected to external force is reduced.

In order to reduce the difficulty of the worker in connecting the sliding rod 71 and the slot 9, an inclined surface 91 is formed on the edge of the fixed block 74, which is intersected with the side wall of the sliding groove 62 and the side wall of the fixed block far away from the loop bar 52. When the staff slides the slide bar 71 to the direction that is close to the loop bar 52 axis, if the slide bar 71 is just right with the inclined plane 91, the staff only needs to continue to slide the slide bar 71, can make the slide bar 71 support tightly the inclined plane 91 and make the second arc 61 continuously extrude the inner wall in tunnel to the difficulty that the staff made slide bar 71 and draw-in groove 9 interconnect has been reduced.

In order to improve the stability of the sliding rod 71, an external thread is provided at one end of the sliding rod 71 close to the slot 9, and an internal thread matching the external thread is provided on the inner wall of the slot 9. After the worker connects the sliding rod 71 and the engaging groove 9 to each other, the worker can connect the external thread and the internal thread to each other by rotating the sliding rod 71, thereby further reducing the probability that the sliding rod 71 is separated from the sliding groove 62 when receiving an external force.

In order to reduce the possibility of the fixing rod 73 shaking when being subjected to external force and improve the stability of the sleeve rod 52, one end of the fixing rod 73 far away from the sleeve rod 52 is connected with the inner wall of the sleeve 51 far away from the mounting plate 6 in a sliding mode.

In order to improve the effect of the supporting device, rubber sheets 92 are arranged on the outer walls of the second arc-shaped plate 61 and the first arc-shaped plate 4. Rubber has good elasticity, and the maximum static friction force upper limit between second arc 61 and first arc 4 and the tunnel inner wall has been improved to the sheet rubber 92 that adopts rubber to make to second arc 61 and first arc 4 and the probability that the tunnel inner wall takes place relative slip have been reduced, and then strutting arrangement's effect has been improved.

The utility model provides a rich water weak soil shield constructs construction and uses strutting arrangement's theory of operation as follows: when the position of second arc 61 needs to be adjusted to the staff, the staff only need to slide bar 71 to the direction of keeping away from loop bar 52 axis, can make slide bar 71 and fixed block 74 alternate segregation, thereby make second arc 61 to the antiport of keeping away from installation pole 2, and finally support the inner wall in tight tunnel, furthermore, the staff needs to make installation pole 2 reset, thereby make the lateral wall of installation pole 2 support the lateral wall of tight fixed block 74, and then the probability that removes when having reduced loop bar 52 and received external force, thereby the stability of second arc 61 has been improved.

The utility model discloses circuit and control that relate to are prior art, do not carry out too much repetition here.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims (8)

1. The utility model provides a rich water weak soil shield constructs construction and uses strutting arrangement which characterized in that includes: a base (1), wherein the upper surface of the base (1) is fixed with a mounting rod (2), an air cylinder (21) is fixed on the upper surface of the mounting rod (2), a support plate (3) is fixed on the upper surface of the air cylinder (21), a first arc-shaped plate (4) with the diameter equal to that of the top of the tunnel is fixed on the supporting plate (3), two opposite side walls of the mounting rod (2) are provided with telescopic rods (5), the telescopic rod (5) comprises a sleeve (51) fixed on the side wall of the mounting rod (2) and a sleeve rod (52) arranged in the sleeve (51) in a sliding way, a mounting plate (6) is fixed on the side wall of the loop bar (52) far away from the sleeve (51), a second arc-shaped plate (61) for supporting the inner wall of the tunnel is arranged on the mounting plate (6), the sleeve (51) is provided with a fixing component (7) for fixing the sleeve rod (52).

2. The supporting device for the water-rich soft soil shield construction according to claim 1, wherein a sliding groove (8) is formed in the upper surface of the mounting plate (6), a sliding rod (81) is arranged in the sliding groove (8) in a sliding manner, a sliding plate (82) is fixed on the side wall, away from the sliding groove (8), of the sliding rod (81), and the side wall, away from the sliding groove (8), of the sliding plate (82) is fixed with the second arc-shaped plate (61).

3. The supporting device for the water-rich soft soil shield construction according to claim 1, wherein a sliding groove (62) is formed in the outer wall of the sleeve (51), the fixing assembly (7) comprises a sliding rod (71) which is slidably arranged in the sliding groove (62), a spring (72) which is fixed on the side wall of the sleeve (52) far away from the mounting plate (6), a fixing rod (73) which is fixed on the side wall of the sleeve (52) far away from the mounting plate (6) and a plurality of fixing blocks (74) which are fixed on the side wall of the fixing rod (73) close to the sliding groove (62) at equal intervals, and the other end of the spring (72) is fixed on the inner wall of the sleeve (51) far away from the sleeve (52).

4. The supporting device for the water-rich soft soil shield construction according to claim 3, wherein a plurality of clamping grooves (9) distributed at equal intervals are formed in the side wall of the fixing rod (73) close to the sliding groove (62), and the clamping grooves (9) are matched with the sliding rod (71).

5. The supporting device for the water-rich soft soil shield construction according to claim 4, wherein an inclined surface (91) is formed on the intersected edge of the side wall of the fixing block (74) close to the sliding groove (62) and the side wall of the fixing block far away from the loop bar (52).

6. The supporting device for the water-rich soft soil shield construction according to claim 5, wherein an external thread is arranged at one end of the sliding rod (71) close to the clamping groove (9), and an internal thread with the external thread matched with each other is arranged on the inner wall of the clamping groove (9).

7. The supporting device for the water-rich soft soil shield construction according to claim 3, wherein one end of the fixing rod (73) far away from the sleeve rod (52) is connected with the inner wall of the sleeve (51) far away from the mounting plate (6) in a sliding manner.

8. The supporting device for the water-rich soft soil shield construction according to claim 1, wherein rubber sheets (92) are arranged on the outer walls of the second arc-shaped plate (61) and the first arc-shaped plate (4).

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