CN215927441U - Tunnel blasting excavation face ventilation dust device - Google Patents
Tunnel blasting excavation face ventilation dust device Download PDFInfo
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- CN215927441U CN215927441U CN202122638238.5U CN202122638238U CN215927441U CN 215927441 U CN215927441 U CN 215927441U CN 202122638238 U CN202122638238 U CN 202122638238U CN 215927441 U CN215927441 U CN 215927441U
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Abstract
The utility model discloses a tunnel blasting excavation face ventilation and dust fall device which comprises a slideway mechanism fixed at the top of a tunnel along the tunnel excavation direction, a soft cylinder mounting frame hung on the slideway mechanism, a ventilation and dust fall soft cylinder wound on the soft cylinder mounting frame, and a soft cylinder mover arranged on the soft cylinder mounting frame and used for driving the ventilation and dust fall soft cylinder to stretch and retract towards the face direction. The ventilation dust-settling soft barrel is arranged by the soft barrel mounting frame, so that the ventilation dust-settling soft barrel can be wound on the ventilation dust-settling soft barrel without redundant fixed connecting pieces, the ventilation dust-settling soft barrel is light and convenient to mount, the soft barrel shifter mounted on the ventilation dust-settling soft barrel can drive the ventilation dust-settling soft barrel to stretch according to the blasting time of the face, the integrity of the ventilation dust-settling soft barrel after blasting is ensured, in addition, the soft barrel mounting frame can slide along the slide way mechanism, so that the ventilation dust-settling soft barrel can be driven to integrally move forwards along with the forward movement of the face, the mounting and dismounting times of the ventilation dust-settling soft barrel are reduced, and the construction efficiency is improved.
Description
Technical Field
The utility model belongs to the technical field of tunnel construction, and particularly relates to a tunnel blasting excavation face ventilation and dust fall device.
Background
The tunnel is in the work progress, for guaranteeing to ventilate in the tunnel, usually can arrange the ventilation system who comprises fan and tuber pipe in the tunnel to provide sufficient oxygen for constructor. However, in order to ensure the ventilation effect, the air pipe is close to the tunnel face of the tunnel, the air pipe is easy to damage in the blasting process, in addition, the ventilation is only one point, the ventilation effect is not ideal, and after the blasting is finished, the tunnel naturally falls dust for at least half an hour, so that the construction progress is influenced; the existing ventilation dust-settling device often occupies a ground personnel construction operation area, is not beneficial to carrying out corresponding movement along with the excavation process of a tunnel face, and influences the construction progress.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problems that in order to overcome the defects in the prior art, the utility model provides the ventilation and dust-fall device for the tunnel blasting excavation face, which is simple in structure, reasonable in design and strong in practicability.
In order to solve the technical problems, the utility model adopts the technical scheme that: the utility model provides a tunnel blasting excavation face ventilation dust device which characterized in that: the device comprises a slide way mechanism fixed at the top of the tunnel along the tunnel excavation direction, a soft cylinder mounting rack hung on the slide way mechanism, a ventilation dust-settling soft cylinder wound on the soft cylinder mounting rack, and a soft cylinder mover arranged on the soft cylinder mounting rack and used for driving the ventilation dust-settling soft cylinder to stretch and retract towards the tunnel face direction;
the slideway mechanism comprises a plurality of slideway units fixed on the top of the tunnel along the tunnel excavation direction; the soft drum mounting frame comprises an I-shaped steel rail hung on the slideway unit, two end plates arranged at two ends of the I-shaped steel rail and used for limiting the I-shaped steel rail to slide, and a soft drum winding shaft arranged below the I-shaped steel rail and pulled between the two end plates;
the end plate is including fixed bottom plate that sets up on I-shaped steel rail lower limb flange board, be located the bottom plate top and with I-shaped steel rail web fixed connection's well core plate, two divide establish in well core plate both sides and bottom all with the articulated curb plate of being connected of bottom plate and level run through two curb plates and well core plate's fixed bolt, the upper surface of bottom plate is less than the lower surface of slide unit, the curb plate top is higher than the lower surface of slide unit, well core plate's width is not more than I-shaped steel rail web thickness, the top of the soft section of thick bamboo of dust fall that ventilates is less than the bottom of bottom plate.
Foretell tunnel blasting excavation face ventilation dust device, its characterized in that: the soft ventilation and dust fall barrel comprises a ribbed air barrel wound on a soft barrel winding shaft and a plurality of spray pipes uniformly arranged on the inner wall of the ribbed air barrel, and one end of each spray pipe, which is close to the face, is provided with an atomizing nozzle.
Foretell tunnel blasting excavation face ventilation dust device, its characterized in that: the soft cylinder shifter comprises an electric hoist roadster arranged on the lower flange plate of the I-shaped steel rail, and a hook connecting piece fixedly connected with the ribbed air cylinder is hung at the bottom of the electric hoist roadster.
Foretell tunnel blasting excavation face ventilation dust device, its characterized in that: the slide unit comprises an anchor rod anchored at the top of the tunnel and a sliding seat fixedly arranged at the bottom of the anchor rod.
Foretell tunnel blasting excavation face ventilation dust device, its characterized in that: and the sliding seat is provided with a T-shaped through groove matched with the I-shaped steel rail.
Foretell tunnel blasting excavation face ventilation dust device, its characterized in that: the minimum distance between the air duct with the ribs and the tunnel face is 5-6 m.
Foretell tunnel blasting excavation face ventilation dust device, its characterized in that: the length of the I-shaped steel rail is not less than 30 m.
Compared with the prior art, the utility model has the following advantages:
1. according to the utility model, the slideway unit is arranged, the anchor rod in the tunnel supporting system is used as a foundation, the sliding seat is arranged on the slideway unit, a structure for installing the soft cylinder installation frame is formed, no additional fixing piece is needed, in addition, when the tunnel face moves forwards, the slideway unit can be added forwards, and the ventilating dust-settling soft cylinder can be dragged to a new working area to continue working, so that the installation stability of the slideway mechanism can be ensured while the construction consumables are reduced, and the use effect is good.
2. According to the utility model, the ventilation dust-settling soft barrel is arranged at the top of the tunnel to ventilate and settle dust in the working area, so that the normal work of constructors at the bottom of the tunnel is not influenced, fresh air is brought to the tunnel surface, meanwhile, the dust settling speed is accelerated, and the temperature of the working area is reduced, so that the comfort of the working area is improved, and the construction safety and the physical and psychological health of the constructors are facilitated.
3. In addition, the soft cylinder mounting rack can slide along the slideway mechanism, so that the whole ventilation dust falling soft cylinder can be driven to move forwards along with the forward movement of the face, the mounting and dismounting times of the ventilation dust falling soft cylinder are reduced, and the construction efficiency is improved.
4. According to the utility model, the flexible ventilation dust-settling tube is controlled to stretch by the flexible tube mover, when the tunnel face needs ventilation dust-settling, the flexible ventilation dust-settling tube moves forwards, and when the tunnel face needs blasting, the front end of the flexible ventilation dust-settling tube retreats to a safe distance, so that the integrity of the flexible ventilation dust-settling tube after blasting is ensured, the maintenance frequency of equipment is reduced, and the construction cost is reduced.
5. The top of the bottom plate is hinged with the two side plates, the two side plates are fixed through the fixing bolts, so that the bottom plate has the function of limiting the I-shaped steel rail from sliding out of the slideway mechanism, meanwhile, after the slideway unit is added in the front, the fixing bolts are pulled out, the side plates are turned down, the I-shaped steel rail can move forwards to the new slideway unit and is clamped with the new slideway unit, and therefore the ventilation dust-settling soft cylinder is driven to move forwards integrally along with the face, and the operation is reliable and convenient.
In addition, the soft cylinder mounting frame can slide along the slide way mechanism, so that the soft ventilation and dust falling cylinder can be driven to integrally move forwards along with the forward movement of the face, the mounting and dismounting times of the soft ventilation and dust falling cylinder are reduced, and the construction efficiency is improved.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
FIG. 2 is a schematic view of the installation relationship of the slideway unit, the I-shaped steel rail, the soft cylinder mover and the ventilation dust settling soft cylinder.
Fig. 3 is a schematic structural view of the soft drum mounting rack of the utility model.
Description of reference numerals:
1-a tunnel; 2-palm surface; 3-i-rail;
4-a soft drum winding shaft; 5-a bottom plate; 6-centre plate;
7-side plate; 8-fixing the bolt; 9-a hinge;
10-a ribbed air duct; 11-a spray pipe; 12-an atomizer;
13-electric hoist sports car; 14-a hook connection; 15-anchor rod;
16-a slide.
Detailed Description
As shown in fig. 1, 2 and 3, the device comprises a slideway mechanism fixed on the top of a tunnel 1 along the excavation direction of the tunnel 1, a soft cylinder mounting rack hung on the slideway mechanism, a ventilation dust-settling soft cylinder wound on the soft cylinder mounting rack, and a soft cylinder mover arranged on the soft cylinder mounting rack and used for driving the ventilation dust-settling soft cylinder to stretch and retract towards the tunnel face 2;
the slideway mechanism comprises a plurality of slideway units which are fixed on the top of the tunnel 1 along the excavation direction of the tunnel 1; the soft drum mounting frame comprises an I-shaped steel rail 3 hung on the slideway unit, two end plates arranged at two ends of the I-shaped steel rail 3 and used for limiting the sliding of the I-shaped steel rail 3, and a soft drum winding shaft 4 arranged below the I-shaped steel rail 3 and pulled between the two end plates;
the end plate is including fixed bottom plate 5 that sets up on 3 lower flange boards of I-steel rail, be located bottom plate 5 top and with 3 web fixed connection's of I-steel rail well core plate 6, two branch establish in well core plate 6 both sides and bottom all with the articulated curb plate 7 of being connected of bottom plate 5 and level run through two curb plates 7 and well core plate 6's fixed bolt 8, the upper surface of bottom plate 5 is less than the lower surface of slide unit, curb plate 7 top is higher than the lower surface of slide unit, well core plate 6's width is not more than 3 web thicknesses of I-steel rail, the top of the soft section of thick bamboo of dust fall ventilates is less than the bottom of bottom plate 5.
In this embodiment, the bottom of the side plate 7 is hinged to the bottom plate 5 by a hinge 9.
In this embodiment, the soft drum winding shaft 4 is made of a steel wire rope with a diameter of 6mm, has relatively light weight and good bearing capacity, and can bear the ribbed air drum 10 and the spray pipe 11 therein.
It should be noted that, by arranging the slideway unit, the anchor rod 15 in the tunnel supporting system is used as a foundation, and the slide base 16 is arranged on the slideway unit, so that a structure for installing a soft cylinder installation frame is formed, no additional fixing piece is needed, in addition, when the tunnel face 2 moves forwards, the slideway unit can be added forwards, and the ventilating dust-settling soft cylinder can be dragged to a new working area to continue working, so that the installation stability of the slideway mechanism can be ensured while the construction consumables are reduced, and the use effect is good;
the ventilation dust-fall soft barrel is arranged at the top of the tunnel 1 to ventilate and fall dust to a working area, so that the normal work of constructors at the bottom of the tunnel 1 is not influenced, the fresh air is brought to the tunnel face 2, meanwhile, the settlement speed of dust can be accelerated, and the temperature of the working area can be reduced, so that the comfort of the working area is improved, and the construction safety and the physical and psychological health of the constructors are facilitated;
the ventilation dust-fall soft barrel is arranged by the soft barrel mounting frame, so that the ventilation dust-fall soft barrel can be wound on the ventilation dust-fall soft barrel without redundant fixed connecting pieces, the ventilation dust-fall soft barrel is light and convenient to mount, in addition, the soft barrel mounting frame can slide along the slide way mechanism, the ventilation dust-fall soft barrel can be driven to integrally move forwards along with the forward movement of the tunnel face 2, the mounting and dismounting times of the ventilation dust-fall soft barrel are reduced, and the construction efficiency is improved;
the flexible dust removal ventilation soft cylinder is controlled to stretch by arranging the soft cylinder mover, the flexible dust removal ventilation soft cylinder moves forwards when the tunnel face 2 needs ventilation and dust removal, and the front end of the flexible dust removal ventilation hose retreats to a safe distance when the tunnel face 2 needs blasting, so that the integrity of the flexible dust removal ventilation hose after blasting is ensured, the maintenance frequency of equipment is reduced, and the construction cost is reduced;
through articulated two curb plates 7 of connecting at 5 tops of bottom plate to through two curb plates 7 of fixed bolt 8 are fixed, make it have the effect of 3 roll-off slide mechanisms of restriction I-shaped rail, simultaneously, after the slide unit that continues to add in the front, extract fixed bolt 8, turn down curb plate 7, make I-shaped rail 3 can move forward to on the new slide unit and rather than the joint, thereby drive the whole tunnel face that follows of soft section of thick bamboo of dust fall that ventilates and move forward, the operation is reliable and convenient.
In this embodiment, the soft section of thick bamboo of dust fall ventilates is including winding the ribbed dryer 10 and a plurality of shower 11 of evenly setting on ribbed dryer 10 inner wall on soft section of thick bamboo winding axle 4, the one end that shower 11 is close to face 2 is provided with atomizer 12.
In this embodiment, the 10 end-to-end connection of ribbed dryer has the fan of fresh air transmission to working face, 11 end-to-end connection of shower has water tank and water pump, and atomizer 12 is arranged in the water atomization back blowout in shower 11, is convenient for reduce the water consumption, and in addition, atomizing steam still can not shelter from the sight like the heavy rain when can accelerating the dust and subside, and the workman of being convenient for carries out other construction operations.
In this embodiment, the soft cylinder shifter includes an electric hoist carriage 13 mounted on the lower flange plate of the i-shaped steel rail 3, and a hook connecting member 14 fixedly connected with the ribbed air cylinder 10 is hung at the bottom of the electric hoist carriage 13.
In this embodiment, the slide unit includes an anchor rod 15 anchored at the top of the tunnel 1 and a slide 16 fixedly disposed at the bottom of the anchor rod 15.
It should be noted that the anchor rod 15 is a grouting anchor rod in the support system, after the anchor rod 15 is set and grouting operation is completed, a sliding seat 16 is welded at the bottom of the anchor rod, and the sliding seats 16 are coaxially arranged, so that the smoothness of sliding of the i-shaped steel rail 3 is ensured; the additional drilling process is not required to be added, and the installation is convenient.
In this embodiment, the slide base 16 is provided with a T-shaped through groove matched with the i-shaped steel rail 3.
It should be noted that, when the i-shaped steel rail 3 is installed for the first time, the i-shaped steel rail 3 sequentially penetrates through the plurality of sliding seats 16 from back to front and is clamped in the T-shaped through groove, so that the i-shaped steel rail 3 can be installed in place, and the operation is convenient.
In this embodiment, the minimum distance between the ribbed wind tube 10 and the tunnel face 2 is 5m to 6 m.
In this embodiment, the length of the i-shaped steel rail 3 is not less than 30 m.
When the tunnel face 2 needs ventilation and dust fall, the electric hoist roadster 13 drives the front end of the ventilation and dust fall soft cylinder to move forward to a distance of 25-6 m away from the tunnel face for ventilation and dust fall operation; when face 2 needs the blasting antedisplacement, for the piece fish tail ventilation dust fall soft section of thick bamboo that avoids the blasting to produce, at this moment, electric block sports car 13 drives the ventilation dust fall hose and retreats, and the safety distance outside rethreading to face 230m apart from ventilation dust fall hose front end guarantees the integrality of ventilation dust fall hose after the blasting.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and all simple modifications, changes and equivalent structural changes made to the above embodiment according to the technical spirit of the present invention still fall within the protection scope of the technical solution of the present invention.
Claims (7)
1. The utility model provides a tunnel blasting excavation face ventilation dust device which characterized in that: the tunnel dust-settling device comprises a slideway mechanism fixed at the top of the tunnel (1) along the excavation direction of the tunnel (1), a soft cylinder mounting rack hung on the slideway mechanism, a ventilation dust-settling soft cylinder wound on the soft cylinder mounting rack, and a soft cylinder mover arranged on the soft cylinder mounting rack and used for driving the ventilation dust-settling soft cylinder to stretch and retract towards the tunnel face (2);
the slideway mechanism comprises a plurality of slideway units which are fixed on the top of the tunnel (1) along the excavation direction of the tunnel (1); the soft cylinder mounting frame comprises an I-shaped steel rail (3) hung on the slideway unit, two end plates arranged at two ends of the I-shaped steel rail (3) and used for limiting the sliding of the I-shaped steel rail (3), and a soft cylinder winding shaft (4) arranged below the I-shaped steel rail (3) and pulled between the two end plates;
the end plate is including fixed bottom plate (5) that sets up on I-shaped steel rail (3) bottom flange board, be located bottom plate (5) top and with I-shaped steel rail (3) web fixed connection's well core plate (6), two branch establish in well core plate (6) both sides and bottom all with bottom plate (5) articulated curb plate (7) of being connected, and level run through two curb plate (7) and well core plate (6) fixed bolt (8), the upper surface of bottom plate (5) is less than the lower surface of slide unit, curb plate (7) top is higher than the lower surface of slide unit, the width of well core plate (6) is not more than I-shaped steel rail (3) web plate thickness, the top of the soft section of thick bamboo of dust that ventilates is less than the bottom of bottom plate (5).
2. The tunnel blasting excavation face ventilation dust device of claim 1, characterized in that: the soft ventilation and dust fall barrel comprises a ribbed air barrel (10) wound on a soft barrel winding shaft (4) and a plurality of spray pipes (11) uniformly arranged on the inner wall of the ribbed air barrel (10), and one end, close to the tunnel face (2), of each spray pipe (11) is provided with an atomizing nozzle (12).
3. The tunnel blasting excavation face ventilation dust device of claim 2, characterized in that: the soft cylinder shifter comprises an electric hoist roadster (13) arranged on a lower flange plate of the I-shaped steel rail (3), and a hook connecting piece (14) fixedly connected with the ribbed air cylinder (10) is hung at the bottom of the electric hoist roadster (13).
4. The tunnel blasting excavation face ventilation dust device of claim 1, characterized in that: the slide way unit comprises an anchor rod (15) anchored at the top of the tunnel (1) and a sliding seat (16) fixedly arranged at the bottom of the anchor rod (15).
5. The tunnel blasting excavation face ventilation dust device of claim 4, characterized in that: and the sliding seat (16) is provided with a T-shaped through groove matched with the I-shaped steel rail (3).
6. The tunnel blasting excavation face ventilation dust device of claim 2, characterized in that: the minimum distance between the ribbed wind tube (10) and the tunnel face (2) is 5-6 m.
7. The tunnel blasting excavation face ventilation dust device of claim 1, characterized in that: the length of the I-shaped steel rail (3) is not less than 30 m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122638238.5U CN215927441U (en) | 2021-10-29 | 2021-10-29 | Tunnel blasting excavation face ventilation dust device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122638238.5U CN215927441U (en) | 2021-10-29 | 2021-10-29 | Tunnel blasting excavation face ventilation dust device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215927441U true CN215927441U (en) | 2022-03-01 |
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ID=80403930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122638238.5U Active CN215927441U (en) | 2021-10-29 | 2021-10-29 | Tunnel blasting excavation face ventilation dust device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215927441U (en) |
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2021
- 2021-10-29 CN CN202122638238.5U patent/CN215927441U/en active Active
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