CN209278517U

CN209278517U - A kind of cut-off gate of locking

Info

Publication number: CN209278517U
Application number: CN201822155425.6U
Authority: CN
Inventors: 陆昕; 黄燕萍
Original assignee: WUXI CITY HUA TONG ELECTRIC POWER EQUIPMENT (ENGINEERING) Ltd Co
Current assignee: WUXI CITY HUA TONG ELECTRIC POWER EQUIPMENT (ENGINEERING) Ltd Co
Priority date: 2018-12-21
Filing date: 2018-12-21
Publication date: 2019-08-20
Anticipated expiration: 2028-12-21

Abstract

The utility model discloses a kind of cut-off gates of locking of cut-off gate technical field, including channel, the left and right outer wall top and the bottom in channel are welded with support base, the inner cavity of support base is connected with locking shaft, the inner cavity roof in channel and bottom wall or so are bolted with electric pushrod, left and right is welded with welded plate in the middle part of the inner cavity roof and bottom wall in channel, the roof of welded plate is bolted with bearing block, the left and right outer wall of bearing block is bolted with bearing block rear cover and bearing block front cover respectively, the inner cavity of bearing block is connected with bearing, the inner cavity in channel is hinged with cut-off door board, and the rear wall for ending door board is welded with locking cylinder, present apparatus structure is simple, it is easy to use, the load of motor when cut-off gate is closed is effectively reduced, improve the service life of cut-off door motor.

Description

A kind of cut-off gate of locking

Technical field

The utility model discloses a kind of cut-off gates of locking, specially cut-off gate technical field.

Background technique

The advantages of cut-off gate is one kind of valve, gate valve is that flow resistance is small, open, closing forces it is small, medium can be positive and negative The advantages of flowing, the disadvantage is that structure is complicated, size is larger, and sealing is easy to wear, cut-off gate is simple in structure, good airproof performance, manufacture More convenient with safeguarding, the disadvantage is that flow resistance is big, unlatching, closing forces are also larger, and existing cut-off gate locking only leans on motor mostly Locking is stalled, due to the phenomenon that channel pressure easily leads to motor damage for a long time generation.

Utility model content

The purpose of this utility model is to provide a kind of cut-off gates of locking, mentioned above in the background art to solve The phenomenon that existing cut-off gate locking only stalls locking by motor, easily leads to motor damage for a long time due to channel pressure mostly The problem of generation.

To achieve the above object, the utility model provides the following technical solutions: a kind of cut-off gate of locking, including logical Road, the left and right outer wall top and the bottom in the channel are welded with support base, and the inner cavity of the support base is connected with locking shaft, the lock The only outer wall of one end connected pathways of axis, the inner cavity roof in the channel and bottom wall or so are bolted with electric pushrod, the electricity The outer wall of locking shaft is run through in one end of push rod in dynamic push rod, and left and right is welded in the middle part of the inner cavity roof and bottom wall in the channel Fishplate bar, the roof of the welded plate are bolted with bearing block, the left and right outer wall of the bearing block be bolted with respectively bearing block rear cover and Bearing block front cover, the inner cavity of the bearing block are connected with bearing, and bearing block front cover, the locking are run through in one end of the locking shaft One end of axis is located at the inner cavity of bearing, and the inner cavity in the channel is hinged with cut-off door board, the bearing block and the equal position of locking shaft In the rear portion of cut-off door board, and the rear wall for ending door board is welded with locking cylinder, and the locking cylinder is located at electric pushrod Top, one end of push rod is located at the inner cavity of locking cylinder in the electric pushrod.

Preferably, the junction of the locking cylinder and cut-off door board is welded with reinforcing rib.

Preferably, the outer wall of the locking shaft is socketed with dust-proofing ring.

Preferably, the outer wall of the dust-proofing ring is contacted with the outer wall of bearing block front cover.

Preferably, the electric pushrod and the through part of locking shaft are located at the middle part of locking shaft.

Compared with prior art, the utility model has the beneficial effects that elongation of the present apparatus by electric pushrod, so that electric Locking shaft and locking cylinder are run through in one end of dynamic push rod, and the clamping by the push rod in electric pushrod to locking shaft and locking cylinder is real Stuck and cut-off door board the locking of existing locking shaft, reduces the load of motor when cut-off gate is closed, while when locking shaft is stuck When with cut-off door board locking, locking shaft plays fixed function to cut-off door board by push rod in electric pushrod, avoids ending Excessive the phenomenon that the leading to electric pushrod and channel separation generation of door board pressure, present apparatus structure is simple, easy to use, has Effect reduces the load of motor when cut-off gate is closed, and improves the service life of cut-off door motor.

Detailed description of the invention

Fig. 1 is that the utility model cut-off gate faces schematic cross-sectional view；

Fig. 2 is that the utility model cut-off gate faces section view section view partial schematic diagram；

Fig. 3 is the utility model bearing block left view schematic diagram；

Fig. 4 is that the utility model bearing block faces schematic cross-sectional view.

In figure: 1 channel, 2 locking shafts, 3 welded plates, 4 bearing blocks, 5 bearing block rear covers, 6 bearings, 7 bearing block front covers, 8 electricity Dynamic push rod, 9 support bases, 10 locking cylinders, 11 dust-proofing rings.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

The utility model provides a kind of cut-off gate of locking, and the load of motor when cut-off gate is closed is effectively reduced, improves End the service life of door motor, includes referring to FIG. 1-2, channel 1, the left and right outer wall top and the bottom in channel 1 are welded with support Seat 9, the inner cavity of support base 9 are connected with locking shaft 2, the outer wall of one end connected pathways 1 of locking shaft 2, the inner cavity roof in channel 1 and Bottom wall or so is bolted with electric pushrod 8, and the outer wall of locking shaft 2 is run through in one end of push rod in electric pushrod 8, by starting four groups The elongation of electric pushrod 8 runs through the outer wall of locking shaft 2, realizes to the lockings of four groups of locking shafts 2, please refers to Fig. 3-4, channel 1 it is interior Left and right is welded with welded plate 3 in the middle part of chamber roof and bottom wall, and the roof of welded plate 3 is bolted with bearing block 4, bearing block 4 not with it is logical The inner wall in road 1 is spirally connected, and flue gas etc. is avoided to be discharged by the junction in bearing block 4 and channel 1, the left and right outer wall difference of bearing block 4 It is bolted with bearing block rear cover 5 and bearing block front cover 7, the inner cavity of bearing block 4 is connected with bearing 6, and bearing is run through in one end of locking shaft 2 Seat front cover 7, one end of locking shaft 2 are located at the inner cavity of bearing 6, one end and bearing block 4 when bearing 6 avoids locking shaft 2 from rotating Inner cavity direct friction, the inner cavity in channel 1 is hinged with cut-off door board, after bearing block 4 and locking shaft 2 are respectively positioned on cut-off door board Portion, and the rear wall for ending door board is welded with locking cylinder 10, locking cylinder 10 are located at the top of electric pushrod 8, in electric pushrod 8 One end of push rod is located at the inner cavity of locking cylinder 10, and the junction of locking cylinder 10 and cut-off door board, which is welded with, referring to FIG. 1-2, adds Strengthening tendons improve locking cylinder 10 and end the bonding strength of door board, and locking cylinder 10 and the junction of cut-off door board is avoided to be broken, The outer wall of locking shaft 2 is socketed with dust-proofing ring 11, and the outer wall of dust-proofing ring 11 is contacted with the outer wall of bearing block front cover 7, dust-proofing ring 11 with The outer wall of bearing block front cover 7 contacts, and the flue gas of 1 inner cavity of channel is avoided to enter by the through part of locking shaft 2 and bearing block front cover 7 The through part of the inner cavity of bearing block 4, electric pushrod 8 and locking shaft 2 is located at the middle part of locking shaft 2, when end door board stress to When interior or outside, locking shaft 2 plays fixed function to cut-off door board by the push rod in electric pushrod 8, and locking shaft 2, which receives, cuts It only when the active force of door board, is shared jointly by bearing block 4 and support base 9, avoids bearing block 4 or the independent stress of support base 9.

Working principle: connecting power supply for the present apparatus, when ending door board closing, cut-off door motor power-off stalling, and starting Electric pushrod 8, electric pushrod 8 extend, and the push rod of electric pushrod 8 enters locking shaft 2 continues to extend, and then electric pushrod 8 pushes away Bar enters the inner cavity of locking cylinder 10, and when ending door board outwardly or inwardly stress, the push rod of electric pushrod 8 passes through locking shaft 2 It is fixed with 10 pairs of cut-off door boards of locking cylinder, reduces the load of cut-off door motor.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims

1. a kind of cut-off gate of locking, including channel (1), it is characterised in that: the left and right outer wall top and the bottom of the channel (1) are equal It is welded with support base (9), the inner cavity of the support base (9) is connected with locking shaft (2), and one end of the locking shaft (2) is through logical The outer wall in road (1), inner cavity roof and bottom wall of the channel (1) or so are bolted with electric pushrod (8), the electric pushrod (8) outer wall of locking shaft (2) is run through in one end of push rod in, and left and right is welded in the middle part of the inner cavity roof and bottom wall of the channel (1) Have welded plate (3), the roof of the welded plate (3) is bolted with bearing block (4), and the left and right outer wall of the bearing block (4) distinguishes spiral shell It is connected to bearing block rear cover (5) and bearing block front cover (7), the inner cavity of the bearing block (4) is connected with bearing (6), the locking shaft (2) bearing block front cover (7) are run through in one end, and one end of the locking shaft (2) is located at the inner cavity of bearing (6), the channel (1) Inner cavity is hinged with cut-off door board, and the bearing block (4) and locking shaft (2) are respectively positioned on the rear portion of cut-off door board, and cut-off gate The rear wall of door-plate is welded with locking cylinder (10), and the locking cylinder (10) is located at the top of electric pushrod (8), the electric pushrod (8) one end of push rod is located at the inner cavity of locking cylinder (10) in.

2. a kind of cut-off gate of locking according to claim 1, it is characterised in that: the locking cylinder (10) and cut-off gate The junction of door-plate is welded with reinforcing rib.

3. a kind of cut-off gate of locking according to claim 1, it is characterised in that: the outer wall set of the locking shaft (2) It is connected to dust-proofing ring (11).

4. a kind of cut-off gate of locking according to claim 3, it is characterised in that: the outer wall of the dust-proofing ring (11) with The outer wall of bearing block front cover (7) contacts.

5. a kind of cut-off gate of locking according to claim 1, it is characterised in that: the electric pushrod (8) and locking The through part of axis (2) is located at the middle part of locking shaft (2).