CN218235119U

CN218235119U - Shield tunneling portal gap plugging equipment

Info

Publication number: CN218235119U
Application number: CN202222192812.3U
Authority: CN
Inventors: 蔡瑞昌
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-08-19
Filing date: 2022-08-19
Publication date: 2023-01-06
Anticipated expiration: 2032-08-19

Abstract

The utility model provides a shield constructs tunnelling portal clearance shutoff equipment, this shield constructs tunnelling portal clearance shutoff equipment, the novel nipple rectifier comprises a cylindrical shel, the bottom and the top of the inner chamber of barrel all are provided with stop gear, stop gear includes motor and threaded rod, the inner wall of barrel is provided with the motor, the output fixedly connected with threaded rod of motor, the bottom and the top of barrel inner chamber all are provided with fixed establishment, the inside of barrel is provided with the shield and constructs. The utility model provides a shield structure tunnelling portal clearance shutoff equipment has solved current tunnelling portal clearance shutoff equipment when using, and the leakproofness is relatively poor, and can't carry on spacing fixedly to the shield structure, leads to the shield structure to take place the landing, influences the problem that the shield structure tunnelled engineering efficiency.

Description

Shield tunneling portal gap plugging equipment

Technical Field

The utility model relates to a shield constructs the equipment field, especially relates to a shield constructs tunnelling portal clearance shutoff equipment.

Background

Along with the development of society, people's lives are more and more concentrated, traffic facilities on the ground cannot meet the needs of people, more and more underground traffic facilities enter people's lives, however, during underground construction, due to the fact that parts of regions are hard and inconvenient to build, equipment is needed for excavation, wherein a shield tunneling machine is a tunnel tunneling machine using a shield tunneling method, construction speed is greatly increased, the shield tunneling machine has the advantages of being high in automation degree, saving manpower, high in construction speed, capable of forming a tunnel once, free of influence of climate, capable of controlling ground settlement during excavation, capable of reducing influence on ground buildings, free of influencing water surface traffic during underwater excavation and the like, is commonly used for tunnel construction, and integrates drilling, excavation and protection, can effectively realize industrialized operation of long and large tunnel construction, is the most advanced large comprehensive tunnel construction equipment in the world, represents the highest level of international tunnel construction technology, is widely applied to engineering fields of transportation, hydropower, municipal engineering, national defense and the like, is widely applied to underground construction of underground inclined shafts or underground railway construction equipment under a series of underground inclined slope, and a subway construction technology is needed to be used for blocking.

When the existing tunneling portal gap plugging equipment is used, the sealing performance is poor, and the shield cannot be limited and fixed, so that the shield slips, and the tunneling engineering efficiency of the shield is influenced.

Therefore, a new shield tunneling portal gap plugging device is needed to solve the technical problems.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a shield that operation leakproofness is better and stability is high constructs tunnelling portal clearance shutoff equipment.

The utility model provides a pair of shield constructs tunnelling portal clearance shutoff equipment, the novel nipple rectifier comprises a cylindrical shel, the bottom and the top of the inner chamber of barrel all are provided with stop gear, stop gear includes motor and threaded rod, the inner wall of barrel is provided with the motor, the output fixedly connected with threaded rod of motor, the bottom and the top of barrel inner chamber all are provided with fixed establishment, the inside of barrel is provided with the shield and constructs.

In order to reach and carry out spacing fixed effect to the shield structure, conduct the utility model provides a shield structure tunnelling portal clearance shutoff equipment, it is preferred, stop gear still includes box body, thread block, slider, head rod, first spring, first slide bar and stopper, the inner wall fixedly connected with box body of barrel, the one end of threaded rod with the inner wall of box body rotate to be connected.

In order to reach the effect that drives the thread piece and carry out the removal, as the utility model provides a shield constructs tunnelling portal clearance shutoff equipment, it is preferred, the outside threaded connection of threaded rod has the thread piece, one side fixedly connected with slider of thread piece, the outside of slider and the inner chamber sliding connection of box body.

In order to reach the effect that makes the stopper reset fast, conduct the utility model provides a shield constructs tunnelling portal clearance shutoff equipment, it is preferred, the top fixedly connected with head rod of screw thread piece, the outside of head rod is provided with first spring.

In order to reach and carry out spacing effect to the shield structure tail end, conduct the utility model provides a shield constructs tunnelling portal clearance shutoff equipment, preferably, the inner wall sliding connection of head rod has first slide bar, the top fixedly connected with stopper of first slide bar.

In order to reach the effect that improves the shield and construct stability when using, conduct the utility model provides a shield constructs tunnelling portal clearance shutoff equipment, it is preferred, fixed establishment includes base, second connecting rod, second spring, second slide bar, connecting plate, dead lever and fixed block, the inner wall fixedly connected with base of barrel, the bottom fixedly connected with second connecting rod of the inner chamber of base.

In order to reach the effect that makes the fixed block reset fast, as the utility model provides a shield constructs tunnelling portal clearance shutoff equipment, it is preferred, the outside of second connecting rod is provided with the second spring, the inner wall sliding connection of second connecting rod has the second slide bar.

In order to reach the gliding effect from top to bottom of driving the second slide bar, conduct the utility model provides a shield constructs tunnelling portal clearance shutoff equipment, preferably, the top fixedly connected with connecting plate of second slide bar, the outside of connecting plate and the inner wall sliding connection of base.

In order to reach the effect of fixing shield structure, conduct the utility model provides a shield structure tunnelling portal clearance shutoff equipment, it is preferred, the top fixedly connected with dead lever of connecting plate, the top fixedly connected with fixed block of dead lever.

In order to reach the effect that improves shield structure clearance leakproofness, conduct the utility model provides a shield constructs tunnelling portal clearance shutoff equipment, it is preferred, the inner wall fixedly connected with sealing ring of barrel, the inner wall of sealing ring is provided with the slipmat, the inside of sealing ring and the outside sliding connection of shield structure.

Compared with the prior art, the beneficial effects of the utility model are that:

this tunnelling portal clearance shutoff equipment, through setting up sealing ring and slipmat, the leakproofness of shield structure and the stability when using have been improved, through setting up stop gear, reach and carry out spacing effect to the shield structure tail end, through setting up fixed establishment, the gliding effect appears in the shield structure has been avoided, current tunnelling portal clearance shutoff equipment when using has been solved, the leakproofness is relatively poor, and can't carry on spacing fixedly to the shield structure, lead to the shield structure to take place the landing, influence the problem of shield tunnelling engineering efficiency.

Drawings

Fig. 1 is a schematic structural diagram of a preferred embodiment of the shield tunneling portal gap plugging device provided by the present invention;

FIG. 2 is a cross-sectional view of the cartridge shown in FIG. 1;

FIG. 3 is a schematic structural view of the limiting mechanism shown in FIG. 1;

FIG. 4 is a schematic view of the connection structure of the first connecting rod and the first sliding rod shown in FIG. 3;

fig. 5 is a schematic structural view of the fixing mechanism shown in fig. 2.

Reference numbers in the figures: 1. a barrel; 2. a limiting mechanism; 21. a motor; 22. a threaded rod; 23. a box body; 24. a thread block; 25. a slider; 26. a first connecting rod; 27. a first spring; 28. a first slide bar; 29. a limiting block; 3. a fixing mechanism; 31. a base; 32. a second connecting rod; 33. a second spring; 34. a second slide bar; 35. a connecting plate; 36. fixing the rod; 37. a fixed block; 4. shielding; 5. a seal ring; 6. provided is a non-slip mat.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

Please refer to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5 in combination, in which fig. 1 is a schematic structural diagram of a preferred embodiment of the shield tunneling portal gap plugging apparatus provided by the present invention; FIG. 2 is a cross-sectional view of the cartridge shown in FIG. 1; FIG. 3 is a schematic structural view of the limiting mechanism shown in FIG. 1; FIG. 4 is a schematic view of the connection structure of the first connecting rod and the first sliding rod shown in FIG. 3; fig. 5 is a schematic structural view of the fixing mechanism shown in fig. 1. The utility model provides a shield constructs tunnelling portal clearance shutoff equipment, includes barrel 1, and the bottom and the top of the inner chamber of barrel 1 all are provided with stop gear 2, and stop gear 2 includes motor 21 and threaded rod 22, and the inner wall of barrel 1 is provided with motor 21, and motor 21's output fixedly connected with threaded rod 22, the bottom and the top of the inner chamber of barrel 1 all are provided with fixed establishment 3, and the inside of barrel 1 is provided with shield 4.

In a specific implementation process, as shown in fig. 1, fig. 2, fig. 3 and fig. 4, the limiting mechanism 2 further includes a box body 23, a thread block 24, a slider 25, a first connecting rod 26, a first spring 27, a first sliding rod 28 and a limiting block 29, the box body 23 is fixedly connected to an inner wall of the barrel body 1, and one end of the threaded rod 22 is rotatably connected to an inner wall of the box body 23.

The outer side of the threaded rod 22 is in threaded connection with a threaded block 24, one side of the threaded block 24 is fixedly connected with a sliding block 25, and the outer side of the sliding block 25 is in sliding connection with the inner cavity of the box body 23.

A first connecting rod 26 is fixedly connected to the top of the threaded block 24, and a first spring 27 is arranged outside the first connecting rod 26.

A first sliding rod 28 is slidably connected to the inner wall of the first connecting rod 26, and a limiting block 29 is fixedly connected to the top of the first sliding rod 28.

It should be noted that: this device is when using, through setting up stop gear 2, insert the shield structure 4 between two sets of stoppers 29, make stopper 29 downstream, drive first slide bar 28 downstream, make the shield structure 4 pull in between the sealing ring 5, stopper 29 is through the effect of first spring 27, make stopper 29 quick reset starter motor 21, it rotates to drive threaded rod 22, make thread block 24 remove, through setting up slider 25, make thread block 24 carry out the level and remove about, thread block 24 drives stopper 29 through first connecting rod 26 and first slide bar 28 and removes, reach and carry out spacing effect to shield structure 4 tail end, improve the stability of shield structure 4 during operation.

Referring to fig. 1, 2 and 5, the fixing mechanism 3 includes a base 31, a second connecting rod 32, a second spring 33, a second sliding rod 34, a connecting plate 35, a fixing rod 36 and a fixing block 37, the base 31 is fixedly connected to the inner wall of the cylinder 1, and the second connecting rod 32 is fixedly connected to the bottom of the inner cavity of the base 31.

The second spring 33 is disposed outside the second connecting rod 32, and the inner wall of the second connecting rod 32 is slidably connected with the second sliding rod 34.

The top of the second sliding bar 34 is fixedly connected with a connecting plate 35, and the outer side of the connecting plate 35 is slidably connected with the inner wall of the base 31.

The top of the connecting plate 35 is fixedly connected with a fixing rod 36, and the top of the fixing rod 36 is fixedly connected with a fixing block 37.

The inner wall of the cylinder body 1 is fixedly connected with a sealing ring 5, the inner wall of the sealing ring 5 is provided with an anti-slip pad 6, and the inside of the sealing ring 5 is in sliding connection with the outer side of the shield 4.

It should be noted that: through setting up fixed establishment 3, shield 4 is to moving fixed block 37 downstream, make dead lever 36 downstream, drive connecting plate 35 downstream, drive second slide bar 34 downstream, effect through second spring 33, make fixed block 37 fix shield 4's the outside, prevent shield 4 from taking place the problem of landing at the during operation, effect through setting up sealing ring 5 and slipmat 6, leakproofness and stability when using have been improved, this device is when using, the portal clearance shutoff efficiency has not only been improved greatly, and shutoff department leakproofness is better.

The utility model provides a pair of shield constructs tunnelling portal clearance shutoff equipment's theory of operation as follows:

when the device is used, the shield 4 is inserted between two groups of limit blocks 29 by arranging the limit mechanism 2, the limit blocks 29 are moved downwards to drive the first slide rods 28 to move downwards, the shield 4 is detached between the sealing rings 5, the limit blocks 29 quickly reset to start the motor 21 under the action of the first springs 27 to drive the threaded rods 22 to rotate, the threaded blocks 24 are moved, the threaded blocks 24 are horizontally moved leftwards and rightwards by arranging the slide blocks 25, the threaded blocks 24 drive the limit blocks 29 to move through the first connecting rods 26 and the first slide rods 28 to achieve the effect of limiting the tail end of the shield 4, the stability of the shield 4 in working is improved, the shield 4 moves the fixed blocks 37 downwards by arranging the fixing mechanism 3 to drive the fixed rods 36 to move downwards to drive the connecting plates 35 to move downwards, drive second slide bar 34 and remove downwards, effect through second spring 33, make fixed block 37 fix the outside of shield structure 4, prevent that shield structure 4 from taking place the problem of landing at the during operation, through the effect that sets up sealing ring 5 and slipmat 6, leakproofness and stability when using have been improved, through setting up sealing ring 5 and slipmat 6, the leakproofness of shield structure 4 and the stability when using have been improved, through setting up stop gear 2, reach and carry out spacing effect to shield structure 4 tail end, through setting up fixed establishment 3, the gliding effect has been avoided appearing in shield structure 4, current tunnelling portal clearance shutoff equipment when using has been solved, the leakproofness is relatively poor, and can't carry out spacing fixed to shield structure 4, lead to shield structure 4 to take place the landing, influence the problem of tunnelling engineering efficiency.

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

1. The utility model provides a shield constructs tunnelling portal clearance shutoff equipment, a serial communication port, includes barrel (1), the bottom and the top of the inner chamber of barrel (1) all are provided with stop gear (2), stop gear (2) are including motor (21) and threaded rod (22), the inner wall of barrel (1) is provided with motor (21), the output fixedly connected with threaded rod (22) of motor (21), the bottom and the top of barrel (1) inner chamber all are provided with fixed establishment (3), the inside of barrel (1) is provided with shield (4).

2. The shield tunneling portal gap plugging device according to claim 1, wherein the limiting mechanism (2) further comprises a box body (23), a thread block (24), a sliding block (25), a first connecting rod (26), a first spring (27), a first sliding rod (28) and a limiting block (29), the box body (23) is fixedly connected to the inner wall of the barrel body (1), and one end of the threaded rod (22) is rotatably connected with the inner wall of the box body (23).

3. The shield tunneling portal gap plugging device according to claim 2, wherein a thread block (24) is in threaded connection with the outer side of the threaded rod (22), a sliding block (25) is fixedly connected to one side of the thread block (24), and the outer side of the sliding block (25) is in sliding connection with the inner cavity of the box body (23).

4. The shield tunneling portal gap blocking device according to claim 2, wherein a first connecting rod (26) is fixedly connected to the top of the thread block (24), and a first spring (27) is arranged on the outer side of the first connecting rod (26).

5. The shield tunneling portal gap plugging device according to claim 2, wherein a first sliding rod (28) is slidably connected to the inner wall of the first connecting rod (26), and a limiting block (29) is fixedly connected to the top of the first sliding rod (28).

6. The shield tunneling portal gap plugging device according to claim 1, wherein the fixing mechanism (3) comprises a base (31), a second connecting rod (32), a second spring (33), a second sliding rod (34), a connecting plate (35), a fixing rod (36) and a fixing block (37), the base (31) is fixedly connected to the inner wall of the barrel (1), and the second connecting rod (32) is fixedly connected to the bottom of the inner cavity of the base (31).

7. The shield tunneling portal gap plugging device according to claim 6, wherein a second spring (33) is arranged on the outer side of the second connecting rod (32), and a second sliding rod (34) is slidably connected to the inner wall of the second connecting rod (32).

8. The shield tunneling portal gap plugging device according to claim 6, wherein a connecting plate (35) is fixedly connected to the top of the second sliding rod (34), and the outer side of the connecting plate (35) is in sliding connection with the inner wall of the base (31).

9. The shield tunneling portal gap plugging device according to claim 6, wherein a fixing rod (36) is fixedly connected to the top of the connecting plate (35), and a fixing block (37) is fixedly connected to the top of the fixing rod (36).

10. The shield tunneling portal gap plugging device according to claim 1, wherein a sealing ring (5) is fixedly connected to the inner wall of the barrel (1), an anti-skid pad (6) is arranged on the inner wall of the sealing ring (5), and the inside of the sealing ring (5) is slidably connected with the outer side of the shield (4).