CN212690476U

CN212690476U - Tunnel fan

Info

Publication number: CN212690476U
Application number: CN202021001436.XU
Authority: CN
Inventors: 陈涛; 陈国利; 马双双; 袁代国; 李顺; 马毅敏; 武传龙
Original assignee: Sinosteel Mining Co ltd; Sinosteel Shandong Fuquan Mining Co ltd
Current assignee: Sinosteel Mining Co ltd; Sinosteel Shandong Fuquan Mining Co ltd
Priority date: 2020-06-04
Filing date: 2020-06-04
Publication date: 2021-03-12
Anticipated expiration: 2030-06-04

Abstract

The utility model relates to a tunnel fan, which comprises a housing, be provided with the ventilation subassembly in the casing, the air outlet department of casing is provided with a plurality of parallel arrangement's blade, the both ends of blade all rotate connect in on the both sides wall of casing, the air outlet department of casing is provided with the limiting plate of vertical setting, the limiting plate is located the blade is close to one side of casing inner chamber is worked as when the casing is not worked the vertical setting of blade will the air outlet of casing is sealed, just the blade is close to one side butt of casing inner chamber in on the limiting plate, work as the casing is worked the blade is to keeping away from casing inner chamber's one end slope sets up and adjacent two there is the clearance between the blade, be provided with on the casing and be used for the installation of blade installation mechanism. The device can block the air outlet of the machine shell side, and prevents particles in the air from entering the machine shell.

Description

Tunnel fan

Technical Field

The utility model relates to a tunnel ventilation equipment technical field, in particular to tunnel fan.

Background

In tunnel construction, along with the wide application of long-distance tunnel engineering, the problem of air purification in the tunnel is gradually shown. In order to ensure the ventilation effect, the existing solution is to adopt a tunnel type tunnel ventilation mode at a certain distance, an axial flow fan needs to be placed in an air inlet hole, and meanwhile, along with the continuous increase of the tunneling depth, the axial flow fan needs to continuously move forwards to ensure the ventilation effect so as to reduce smoke and particulate matters in the air of the tunnel.

The prior patent document with the publication number of CN206957756U discloses an axial flow fan trolley for tunnel type ventilation of a tunnel, which comprises two carrying boxes, two maintenance ladders, a moving and braking system, a foot supporting system, a limiting plate, a damping spring and two axial flow fans; two axial fans are respectively installed at the top of two carrying boxes, the two carrying boxes are fixedly connected through a top plate between the top parts, a limiting plate is fixed at the top parts of the two carrying boxes and used for fixing the position of the axial fans together with a damping spring, and the two axial fans are respectively connected with air pipes and respectively used for conveying fresh air for two tunnels.

In the tunnel construction, the quantity of the axial flow fans is selected to be opened along with the construction requirement, when only one axial flow fan needs to be opened to work, the air flow rate in the non-working axial flow fan is low, and the air flow rate is higher as the distance from the working axial flow fan is closer, so that particles in the air can enter the non-working axial flow fan, dust in the axial flow fan is accumulated, and the axial flow fan is not easy to clean due to overlarge volume.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a tunnel fan, the device can block casing side air outlet, prevents that the particulate matter in the air from getting into the casing.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a tunnel fan, includes the casing, be provided with the ventilation subassembly in the casing, the air outlet department of casing is provided with a plurality of parallel arrangement's blade, the both ends of blade all rotate connect in on the both sides wall of casing, the air outlet department of casing is provided with the limiting plate of vertical setting, the limiting plate is located the blade is close to one side of casing inner chamber is worked as when the casing does not work the vertical setting of blade will the air outlet of casing is sealed, just the blade is close to one side butt of casing inner chamber in on the limiting plate, work as the casing during operation the blade is to keeping away from the one end slope of casing inner chamber sets up and adjacent two there is the clearance between the blade, be provided with on the casing and be used for the installation of blade installation.

By adopting the technical scheme, the blades are rotatably connected to the air outlet of the shell, when the ventilation assembly works, the blades blow at the wind speed to form an included angle with the plane at the air outlet of the shell, so that wind is blown out from a gap between every two adjacent blades to ventilate the tunnel, and after the ventilation assembly stops working, the blades are vertically arranged to seal the air outlet of the shell, so that impurities are prevented from entering the tunnel; through the arrangement of the limiting plates, when the adjacent machine shells work, the blades on the non-working machine shell are prevented from being blown under the action of wind power and are obliquely arranged towards the inner cavity of the machine shell, so that the limiting of the blades is realized; and through the setting of installation mechanism, realize the connection dismantled of blade to conveniently maintain the casing and clear up the blade. Therefore, the utility model discloses can block casing side air outlet, prevent that the particulate matter in the air from getting into the casing.

The utility model discloses further set up to: the installation mechanism comprises two rotating rods which are fixedly arranged on two sides of the blade respectively, the two sides of the air outlet of the casing are provided with abdicating grooves for installing the rotating rods, a plurality of first installation grooves for placing the rotating rods are formed in the abdicating grooves, the rotating rods are rotatably connected in the first installation grooves, the first installation grooves are horizontally arranged, the first installation grooves are arranged at intervals along the height direction of the abdicating grooves, and the first installation grooves correspond to the rotating rods one by one; installation mechanism still include two be used for with the dwang install in fixed plate in the first mounting groove, two the fixed plate is installed respectively in two the inslot of stepping down, just the fixed plate can dismantle through installation component connect in on the casing.

By adopting the technical scheme, the two rotating rods of the blade are respectively arranged in the first mounting grooves in the yielding grooves at the two sides, and then the rotating rods are fixed through the fixing plates, so that the fixing rods are prevented from being separated from the first mounting grooves; the fixing plate is installed at the yielding groove through the installation assembly, so that the fixing plate can be detachably connected, and the blades can be conveniently detached, replaced and cleaned.

The utility model discloses further set up to: the mounting assembly comprises a fixing rod arranged on the fixing plate, the fixing rod is arranged on the fixing plate and is perpendicular to the fixing plate, a fixing groove is formed in the abdicating groove of the casing, the fixing plate is mounted in the abdicating groove, the fixing rod is inserted into the fixing groove, and a fixing assembly used for fixing the fixing rod is arranged in the fixing groove of the casing.

Through adopting above-mentioned technical scheme, through pegging graft the dead lever in the fixed slot to realize the fixed to the dead lever with the fixed subassembly of installation in the fixed slot, thereby realize the installation to the fixed plate.

The utility model discloses further set up to: the casing in the inner peripheral surface of fixed slot has seted up the holding tank, fixed subassembly including slide connect in the inserted bar in the holding tank and set up in the compression elastic component in the holding tank, the compression elastic component is used for keeping the inserted bar is located in the holding tank, the inserting groove has been seted up to the outer peripheral surface of dead lever, when the dead lever is fixed in the fixed slot the inserted bar peg graft in the inserting groove.

Through adopting above-mentioned technical scheme, peg graft in the fixed slot when the dead lever, the outer peripheral face extrusion inserted bar of dead lever removes to the one end of compression elastic component, along with the dead lever removes until the inserted bar pegs graft in the inserting groove, compression elastic component extrusion inserted bar pegs graft in the inserting groove to the realization is to the fixed of dead lever.

The utility model discloses further set up to: the inner circumferential surface of the shell in the accommodating groove is provided with a limiting inner convex ring, the outer circumferential surface of the insertion rod is provided with a limiting outer convex ring, and the limiting outer convex ring is positioned between the limiting inner convex ring and the compression elastic piece.

Through adopting above-mentioned technical scheme, through spacing of spacing interior bulge loop to spacing evagination ring, prevent that spacing evagination ring from breaking away from the holding tank, and then prevent that grafting pole and compression elastic component from breaking away from the holding tank.

The utility model discloses further set up to: the fixing rod is rotatably connected to the fixing plate, a slope in gentle transition is formed at the joint of one side of the bottom of the insertion groove and the outer peripheral surface of the fixing rod, and the fixing rod rotates towards one end close to the slope to enable the insertion rod to be separated from the insertion groove.

Through adopting above-mentioned technical scheme, the slope that sets up to being gentle transition through being connected of one side of inserting groove tank bottom and the outer peripheral face of dead lever, rotates to the one end that is close to the slope through driving the dead lever and makes the inserted bar break away from the inserting groove along the slope, and then removes the spacing of inserted bar to the dead lever to can realize dismantling the fixed plate from the casing.

The utility model discloses further set up to: one side of the fixed rod, which is far away from the fixed groove, is fixedly provided with a knob which is used for facilitating the rotation of the fixed rod, and the knob and the fixed rod are vertically arranged.

Through adopting above-mentioned technical scheme, through the setting of knob conveniently control the rotation of dead lever, conveniently peg graft the inserted bar in the inserting groove, perhaps break away from the inserting groove with the inserted bar.

The utility model discloses further set up to: one side of the fixed plate, which is far away from the fixed groove, is provided with a handle which is convenient to install the fixed plate.

Through adopting above-mentioned technical scheme, through the setting of handle, conveniently install the fixed plate and fix dwang and blade in the mounting groove.

The utility model discloses further set up to: the casing in the embedded spin that is equipped with of first mounting groove, the spin rotate connect in the first mounting groove.

Through adopting above-mentioned technical scheme, through setting up of spin make things convenient for the dwang in first mounting groove internal rotation, reduce the frictional force between dwang and the first mounting groove.

To sum up, the utility model discloses following beneficial effect has: the ventilation assembly is connected to the air outlet of the shell in a rotating mode through the blades, when the ventilation assembly works, the blades blow by the wind speed to form an included angle with the plane of the air outlet of the shell, so that the wind is blown out from a gap between every two adjacent blades to ventilate the tunnel, and after the ventilation assembly stops working, the blades are vertically arranged to seal the air outlet of the shell, and impurities are prevented from entering the ventilation assembly; through the arrangement of the limiting plates, when the adjacent machine shells work, the blades on the non-working machine shell are prevented from being blown under the action of wind power and are obliquely arranged towards the inner cavity of the machine shell, so that the limiting of the blades is realized; and through the setting of installation mechanism, realize the connection dismantled of blade to conveniently maintain the casing and clear up the blade. Therefore, the utility model discloses can block casing side air outlet, prevent that the particulate matter in the air from getting into the casing.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a front view of the present invention;

FIG. 3 is a sectional view taken along line A-A of FIG. 2;

FIG. 4 is an enlarged partial view of portion B of FIG. 3;

fig. 5 is a schematic view of the installation structure between the middle fixing rod and the insertion rod of the present invention.

In the figure: 1. a housing; 11. an air outlet; 12. a limiting plate; 13. a yielding groove; 131. a first mounting groove; 132. fixing grooves; 1321. accommodating grooves; 13211. a limiting inner convex ring; 2. a ventilation assembly; 3. a blade; 31. rotating the rod; 4. a fixing plate; 41. a second mounting groove; 42. fixing the rod; 421. a knob; 422. inserting grooves; 4221. a slope; 423. a limiting ring; 43. a handle; 5. a fixing assembly; 51. a plug rod; 511. a limiting convex ring; 52. a compression spring; 6. a ball.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, for the utility model discloses a tunnel fan, including casing 1. Divide into two installation spaces through separating the riser with casing 1 inner chamber in the casing 1, all install ventilation module 2 in every installation space, ventilation module 2's the coaxial flow fan of principle.

Combine shown in fig. 2 and 3, 11 departments of air outlet of casing 1 rotate and are connected with a plurality of blades 3, a plurality of blades 3 set up along casing 1's direction of height, 11 departments of air outlet of casing 1 set firmly the limiting plate 12 of two vertical settings, limiting plate 12 is located one side that blade 3 is close to the 1 inner chamber of casing, and two limiting plates 12 are located the relative setting of both sides inner wall of casing 1 respectively, 3 vertical settings of blade are sealed with casing 1's air outlet 11 when casing 1 does not work, and one side butt on limiting plate 12 that blade 3 is close to the 1 inner chamber of casing, make the lower extreme of blade 3 to the one side slope setting of keeping away from limiting plate 12 under the blowing of wind-force when ventilation assembly 2 during operation.

Combine fig. 3 and fig. 4 to show, the dwang 31 that the level set up all sets firmly at the both ends of blade 3, and the groove 13 of stepping down of two vertical settings is seted up to the both sides of the air outlet 11 of casing 1, and the first mounting groove 131 that sets up a plurality of levels in the groove 13 of stepping down is seted up, and first mounting groove 131 is linked together with the casing 1 inner chamber, and two dwang 31 rotate respectively to be connected in being located two first mounting grooves 131 that step down the inslot 13. A fixing plate 4 is detachably mounted at the abdicating groove 13, the fixing plate 4 is vertically arranged in the abdicating groove 13, one side of the fixing plate 4 close to the first mounting groove 131 is provided with a plurality of second mounting grooves 41 which are horizontally arranged, the cross sections of the second mounting grooves 41 and the first mounting grooves 131 are both semicircular, the second mounting grooves 41 are in one-to-one correspondence with the first mounting grooves 131, rolling balls 6 are embedded in the first mounting grooves 131 and the second mounting grooves 41, the rolling balls 6 are rotationally connected in the first mounting grooves 131 or the second mounting grooves 41, and the rotating rod 31 is mounted between the first mounting grooves 131 and the second mounting grooves 41; the fixing rod 42 is rotatably connected to the fixing plate 4, the fixing rod 42 is perpendicular to the fixing plate 4, a fixing groove 132 is formed in the bottom of the abdicating groove 13 of the casing 1, the fixing groove 132 and the first mounting groove 131 are arranged at intervals, the fixing rod 42 is inserted into the fixing groove 132 when the fixing plate 4 is mounted in the mounting groove, a handle 43 which facilitates mounting of the fixing plate 4 in the abdicating groove 13 is fixedly arranged on one side of the fixing plate 4 away from the fixing groove 132, and the handle 43 is located in the middle of the fixing plate 4 or is adjusted in position according to actual conditions; two limiting rings 423 are integrally formed on the outer peripheral surface of the fixing rod 42, a plurality of limiting grooves for mounting the limiting rings 423 are formed in the fixing plate 4, the limiting rings 423 are rotatably connected in the limiting grooves, and the fixing rod 42 is mounted on the fixing plate 4 through the arrangement of the limiting rings 423, so that the fixing rod 42 is prevented from being lost; a knob 421 for conveniently rotating the fixing rod 42 is fixedly arranged on one side of the fixing rod 42 away from the fixing groove 132, and the knob 421 and the fixing rod 42 are vertically arranged.

As shown in fig. 4 and 5, the fixing member 5 for fixing the fixing rod 42 is installed in the fixing groove 132 of the casing 1.

The fixing assembly 5 comprises a plug rod 51 and a compression spring. The casing 1 has a receiving groove 1321 formed on an inner peripheral surface of the fixing groove 132, the compression elastic member is a compression spring 52, and the compression spring 52 is located in the receiving groove 1321. The plug rod 51 is plugged in the accommodating groove 1321, a limiting inner convex ring 13211 is integrally formed on the inner circumferential surface of the accommodating groove 1321, a limiting outer convex ring 511 is integrally formed on the outer circumferential surface of the plug rod 51, and the limiting outer convex ring 511 is positioned between the limiting inner convex ring 13211 and the compression spring 52; the peripheral surface of dead lever 42 has seted up inserting groove 422, need when fixing dead lever 42 peg graft peg 51 in inserting groove 422, the slope 4221 that is the gentle transition is set up to the junction of the peripheral surface of one side of inserting groove 422 tank bottom and dead lever 42, and dead lever 42 rotates to the one end that is close to slope 4221 and makes peg 51 break away from inserting groove 422, and peg 51 butt in the peripheral surface of dead lever 42 to break away from out dead lever 42 from in fixed slot 132.

The utility model discloses a theory of operation does: the blades 3 are placed in the first mounting groove 131 and the second mounting groove 41, the fixing plate 4 is mounted in the abdicating groove 13 through the handle 43, then the knob 421 is rotated to drive the fixing rod 42 to rotate, the inserting rod 51 is inserted in the inserting groove 422, so that the fixing plate 4 is fixed, when the fixing plate 4 needs to be detached from the abdicating groove 13, the knob 421 drives the fixing rod 42 to rotate towards one side close to the slope 4221, so that the inserting rod 51 is separated from the inserting groove 422, then the fixing plate 4 is detached by pulling the handle 43 to move towards one side far away from the abdicating groove 13, so that the detachable connection of the blades 3 is realized, and the casing 1 is conveniently maintained and the blades 3 are conveniently cleaned; the blades 3 are rotatably connected to the air outlet 11 of the machine shell 1, when the ventilation assembly 2 works, the blades 3 blow at the wind speed to form an included angle between the blades 3 and the plane of the air outlet 11 of the machine shell 1, so that wind is blown out from a gap between every two adjacent blades 3 to ventilate the tunnel, and after the ventilation assembly 2 stops working, the blades 3 are vertically arranged to seal the air outlet 11 of the machine shell 1 and prevent impurities from entering; through the arrangement of the limiting plate 12, when the adjacent machine shell 1 works, the blades 3 on the machine shell 1 which does not work are prevented from being blown under the action of wind power and are arranged in an inclined way towards the inner cavity of the machine shell 1, so that the limiting of the blades 3 is realized.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a tunnel fan, includes casing (1), be provided with ventilation subassembly (2) in casing (1), its characterized in that, air outlet (11) department of casing (1) is provided with a plurality of parallel arrangement's blade (3), the both ends of blade (3) all rotate connect in on the both sides wall of casing (1), air outlet (11) department of casing (1) is provided with limiting plate (12) of vertical setting, limiting plate (12) are located blade (3) are close to one side of casing (1) inner chamber, work as when casing (1) does not work blade (3) vertical setting will air outlet (11) of casing (1) are sealed, just blade (3) are close to one side butt in of casing (1) inner chamber on limiting plate (12), work time casing (1) work blade (3) are to keeping away from the one end slope of casing (1) inner chamber sets up and adjacent two blade (3) A gap exists between the two blades, and an installation mechanism for installing the blades (3) is arranged on the machine shell (1).

2. The roadway fan according to claim 1, wherein the mounting mechanism comprises two rotating rods (31) fixedly arranged at two sides of the blade (3), the casing (1) is provided with a recess groove (13) at two sides of an air outlet (11) for mounting the rotating rod (31), the recess groove (13) is internally provided with a plurality of first mounting grooves (131) for placing the rotating rod (31), the rotating rod (31) is rotatably connected in the first mounting groove (131), the first mounting grooves (131) are horizontally arranged, the first mounting grooves (131) are arranged at intervals along the height direction of the recess groove (13), and the first mounting grooves (131) and the rotating rods (31) are in one-to-one correspondence;

installation mechanism still include two be used for with dwang (31) install in fixed plate (4) in first mounting groove (131), two fixed plate (4) are installed respectively in two in the groove of stepping down (13), just fixed plate (4) through installation component can dismantle connect in on casing (1).

3. The roadway fan as claimed in claim 2, wherein the mounting assembly comprises a fixing rod (42) arranged on the fixing plate (4), the fixing rod (42) is arranged on the fixing plate (4), the fixing rod (42) and the fixing plate (4) are vertically arranged, a fixing groove (132) is formed in the abdicating groove (13) of the casing (1), the fixing rod (42) is inserted into the fixing groove (132) when the fixing plate (4) is mounted in the abdicating groove (13), and a fixing assembly (5) for fixing the fixing rod (42) is arranged in the fixing groove (132) of the casing (1).

4. The roadway fan as claimed in claim 3, wherein the casing (1) is provided with an accommodating groove (1321) on an inner circumferential surface of the fixing groove (132), the fixing assembly (5) comprises an insertion rod (51) slidably connected in the accommodating groove (1321) and a compression elastic member arranged in the accommodating groove (1321), the compression elastic member is used for keeping the insertion rod (51) located in the accommodating groove (1321), an insertion groove (422) is provided on an outer circumferential surface of the fixing rod (42), and the insertion rod (51) is inserted in the insertion groove (422) when the fixing rod (42) is fixed in the fixing groove (132).

5. The roadway fan as claimed in claim 4, wherein the casing (1) is provided with a limiting inner convex ring (13211) on the inner circumferential surface of the accommodating groove (1321), the plug rod (51) is provided with a limiting outer convex ring (511) on the outer circumferential surface, and the limiting outer convex ring (511) is located between the limiting inner convex ring (13211) and the compression elastic piece.

6. The roadway fan as claimed in claim 4, wherein the fixing rod (42) is rotatably connected to the fixing plate (4), a connection part between one side of the bottom of the insertion groove (422) and the outer peripheral surface of the fixing rod (42) is provided with a gently transitional slope (4221), and the fixing rod (42) rotates towards one end close to the slope (4221) to enable the insertion rod (51) to be separated from the insertion groove (422).

7. The roadway fan as claimed in claim 6, wherein a knob (421) for facilitating rotation of the fixing rod (42) is fixedly arranged on one side of the fixing rod (42) far away from the fixing groove (132), and the knob (421) and the fixing rod (42) are vertically arranged.

8. The roadway fan as claimed in claim 4, wherein a handle (43) for facilitating mounting of the fixing plate (4) is provided on a side of the fixing plate (4) remote from the fixing groove (132).

9. The roadway fan as claimed in claim 2, wherein a rolling ball (6) is embedded in the first mounting groove (131) of the casing (1), and the rolling ball (6) is rotatably connected in the first mounting groove (131).