CN202882978U

CN202882978U - Chain wheel type non-pressure air door

Info

Publication number: CN202882978U
Application number: CN 201220589204
Authority: CN
Inventors: 冯战领
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-11-09
Filing date: 2012-11-09
Publication date: 2013-04-17
Anticipated expiration: 2022-11-09

Abstract

A chain wheel type non-pressure air door is composed of two door leaves, two uprights, two guide wheels, an upper door beam, a lower door beam, a chain wheel balancing mechanism, a steel wire rope and a balance weight. A door shaft with a splined hub arranged at the upper end is welded on the end face of the outer side of each door leaf. A lower door beam support is welded at the lower end of each upright. A thrust bearing sleeve is installed on each lower door beam support. A thrust bearing is arranged in the thrust bearing sleeve. The upper end in one of the uprights and the lower end of the upper door beam are respectively fixed with a guide wheel. The chain wheel balancing mechanism is installed inside the upper door beam. The chain wheel balancing mechanism is provided with a chain wheel, a chain wheel shaft, a chain, a connecting screw and a connecting screw sleeve. The lower end of each door shaft is arranged in the thrust bearing. The upper end of each door shaft is connected with a spline shaft on the lower portion of each chain wheel shaft through each corresponding splined hub. The chain wheel type non-pressure air door has the advantages of being simple in structure, novel, attractive, small in size, convenient to use, safe, reliable, steady, durable, not prone to deform and capable of avoiding a fault of air leakage.

Description

The sprocket-type non-pressure damper

Technical field

The utility model relates to a kind of non-pressure damper, and particularly a kind of sprocket-type non-pressure damper is applied in the air entering and returning lane and the connection roadway between the main air entering and returning lane of mine down-hole.

Background technology

At present, the balanced controls that mainly consist of by doorframe, door leaf, by four connecting rods of existing non-pressure damper and the balancing weight that is connected with four connecting rods form; Its operating principle is to realize the autoshutdown of air door by the tractive force that the balancing weight that is connected with four connecting rods produces.The existing defective of this non-pressure damper is:

The generation of the problems such as 1, connecting rod is in long-term situation about using, and hit by switch, door knob affects easy distortion, twisted easily by the deformation effect in tunnel, thereby causes open and close air door effort, and the air door closure is not tight has caused air door to leak out.

2, counterweight is exposed outside, and it is large to take up room, and collision deformation is not attractive in appearance easily.

3, structure is loaded down with trivial details, installation is complicated.

The utility model content

The purpose of this utility model is: design a kind of sprocket-type non-pressure damper, and simple in structure, the novel and beautiful of this non-pressure damper, volume is little, and is easy to use, safe and reliable, sturdy and durable, not yielding, the generation of the fault of can avoiding leaking out.

The technical solution of the utility model can realize by following technical proposals:

This sprocket-type non-pressure damper, by two door leafs, two columns, two directive wheels, beam to the doorstep, Xia Menliang, the sprocket wheel balanced controls, wire rope and counterweight form, it is characterized in that: be welded with door-hinge on the outside end face of every door leaf, the upper end of every door-hinge is spline housing, the lower end of every column is welded with the Xiamen boom support, at the Xiamen boom support thrust axis bearing sleeve is installed, the thrust axis bearing sleeve is in-built thrust bearing, upper end in column all is fixed with directive wheel with the lower end of beam to the doorstep therein, the sprocket wheel balanced controls are installed in the to the doorstep inside of beam, on the described sprocket wheel balanced controls sprocket wheel and sprocket shaft are arranged, chain, connecting screw rod and connecting screw rod cover, its middle sprocket and sprocket shaft, chain and connecting screw rod cover respectively have two, connecting screw rod has four, two sprocket wheels are installed in respectively the top of two sprocket shafts by two flat keys, the bottom of two sprocket shafts is splined shaft, two splined shafts are left by the bottom of the beam of calling respectively, right two side positions are from stretching out in the beam to the doorstep, two sprocket shafts are respectively installed with cylinder roller bearing in the bottom of two sprocket wheels, two cylinder roller bearings are loaded on respectively in two cylinder roller bearing covers, every cylinder roller bearing cover is connected by the upper end of bolt with call beam and every column respectively, the lower end of every column is connected with Xia Menliang by Xiamen boom support and bolt, two chains are installed in respectively on two sprocket wheels, the two ends of two chains all are equipped with connecting screw rod, interconnect by the connecting screw rod cover between per two adjacent connecting screw rods, after one end span of wire rope is crossed the directive wheel that is fixed on the beam lower end of calling, be vertically fixed on the door leaf corresponding with this directive wheel, after the other end of wire rope strides across the directive wheel of column inner upper end, be connected with counterweight by wire rope clip, counterweight is in the column that is fixed with directive wheel, the lower end of every door-hinge is set in the thrust bearing, and the upper end of every door-hinge is connected by the splined shaft of the spline housing on it with every sprocket shaft bottom.

Every door leaf described in the utility model is provided with window, is equipped with handrail on the leading flank of every door leaf and the trailing flank.

The material of this sprocket-type non-pressure damper of the utility model is Steel material.

The utility model has the advantages that: 1) this sprocket-type non-pressure damper material is Steel material, and its balanced controls adopt sprocket wheel balanced controls, simple in structure, novel and beautiful, volume is little, and integraty is good, and construction technology is simple, sturdy and durable, not yielding, and anticorrosion, moistureproof, fire-retardant; 2) this sprocket-type non-pressure damper is biparting door leaf, incorgruous synchronous open and close, so can play two-way every wind action, inleakage is little, and its utilization sprocket wheel balanced controls, the pressure that acts on the air door is translated into a kind of internal force by the sprocket wheel balanced controls, and is balanced, the opening force of having guaranteed air door has nothing to do with blast size and wind direction, has guaranteed when air door is opened laborsaving, convenient, flexible; And after people's car passed through air door, air door can also steadily, the nothing impact be closed under the effect of counterweight voluntarily, was a kind of desirable sprocket-type non-pressure damper.

Description of drawings

Fig. 1 is the main TV structure schematic diagram of sprocket-type non-pressure damper;

Fig. 2 is the A-A line sectional view of Fig. 1;

Fig. 3 is the A section amplification view of Fig. 1;

Fig. 4 is the B section amplification view of Fig. 1;

Fig. 5 is that the to the doorstep beam of sprocket-type non-pressure damper is overlooked cutaway view Amplified image;

Fig. 6 is the B-B line sectional view of Fig. 5.

The specific embodiment

Shown in Fig. 1-6, this sprocket-type non-pressure damper, by two door leafs 5, two columns 3, two directive wheels 18, beam 1 to the doorstep, Xiamen beam 6, the sprocket wheel balanced controls, wire rope 20 and counterweight 19 form, it is characterized in that: be welded with door-hinge 15 on the outside end face of every door leaf 5, the upper end of every door-hinge 15 is spline housing 23, the lower end of every column 3 is welded with Xiamen boom support 7, at Xiamen boom support 7 thrust axis bearing sleeve 17 is installed, thrust bearing 16 is housed in the thrust axis bearing sleeve 17, upper end in column 3 all is fixed with directive wheel 18 with the lower end of beam 1 to the doorstep therein, the sprocket wheel balanced controls are installed in the to the doorstep inside of beam 1, sprocket wheel 11 and sprocket shaft 9 are arranged on the described sprocket wheel balanced controls, chain 12, connecting screw rod 13 and connecting screw rod cover 14, its middle sprocket 11 and sprocket shaft 9, chain 12 and connecting screw rod cover 14 respectively have two, connecting screw rod 13 has four, two sprocket wheels 11 are installed in respectively the top of two sprocket shafts 9 by two flat keys 22, the bottom of two sprocket shafts 9 is splined shaft 24, two splined shafts 24 are left by the bottom of the beam 1 of calling respectively, right two side positions are from stretching out in the beam 1 to the doorstep, two sprocket shafts 9 are respectively installed with cylinder roller bearing 8 in the bottom of two sprocket wheels 11, two cylinder roller bearings 8 are loaded on respectively in two cylinder roller bearing covers 10, every cylinder roller bearing cover 10 is connected by the upper end of bolt with call beam 1 and every column 3 respectively, the lower end of every column 3 is connected with Xiamen beam 6 by Xiamen boom support 7 and bolt, two chains 12 are installed in respectively on two sprocket wheels 11, the two ends of two chains 12 all are equipped with connecting screw rod 13, interconnect by connecting screw rod cover 14 between per two adjacent connecting screw rods 13, after one end span of wire rope 20 is crossed the directive wheel 18 that is fixed on beam 1 lower end of calling, be vertically fixed on the door leaf 5 corresponding with this directive wheel 18, after the other end of wire rope 20 strides across the directive wheel 18 of column 3 inner upper end, be connected with counterweight 19 by wire rope clip 21, counterweight 19 is in the column 3 that is fixed with directive wheel 18, the lower end of every door-hinge 15 is set in the thrust bearing 16, and the upper end of every door-hinge 15 is connected by the splined shaft 24 of the spline housing 23 on it with every sprocket shaft 9 bottoms.

As shown in Figure 1, 2, described every door leaf 5 is provided with window 2, is equipped with handrail 4 on the leading flank of every door leaf 5 and the trailing flank.The material of this sprocket-type non-pressure damper is Steel material.

The operating principle of this sprocket-type non-pressure damper is: when opening the door, hand push spur any door leaf 5, drive another door leaf 5 by the sprocket wheel balanced controls and open simultaneously; At closing time, close by the door leaf 5 that counterweight 19 pullings are connected with wire rope 20, drive simultaneously autoshutdown of another door leaf 5 by the sprocket wheel balanced controls.

Claims

1. sprocket-type non-pressure damper, by two door leafs (5), two columns (3), two directive wheels (18), beam (1) to the doorstep, Xia Menliang (6), the sprocket wheel balanced controls, wire rope (20) and counterweight (19) form, it is characterized in that: be welded with door-hinge (15) on the outside end face of every door leaf (5), the upper end of every door-hinge (15) is spline housing (23), the lower end of every column (3) is welded with Xiamen boom support (7), at Xiamen boom support (7) thrust axis bearing sleeve (17) is installed, thrust bearing (16) is housed in the thrust axis bearing sleeve (17), upper end in the column (3) all is fixed with directive wheel (18) with the lower end of the beam (1) of calling therein, the sprocket wheel balanced controls are installed in the to the doorstep inside of beam (1), sprocket wheel (11) and sprocket shaft (9) are arranged on the described sprocket wheel balanced controls, chain (12), connecting screw rod (13) and connecting screw rod cover (14), its middle sprocket (11) and sprocket shaft (9), chain (12) and connecting screw rod cover (14) respectively have two, connecting screw rod (13) has four, two sprocket wheels (11) are installed in respectively the top of two sprocket shafts (9) by two flat keys (22), the bottom of two sprocket shafts (9) is splined shaft (24), two splined shafts (24) are left by the bottom of the beam (1) of calling respectively, right two side positions are from stretching out in the beam (1) to the doorstep, be respectively installed with cylinder roller bearing (8) at the bottom of two sprocket wheels (11) two sprocket shafts (9), two cylinder roller bearings (8) are loaded on respectively in two cylinder roller bearing covers (10), every cylinder roller bearing cover (10) is connected by the upper end of bolt with call beam (1) and every column (3) respectively, the lower end of every column (3) is connected with Xia Menliang (6) by Xiamen boom support (7) and bolt, two chains (12) are installed in respectively on two sprocket wheels (11), the two ends of two chains (12) all are equipped with connecting screw rod (13), interconnect by connecting screw rod cover (14) between per two adjacent connecting screw rods (13), after one end span of wire rope (20) is crossed the directive wheel (18) that is fixed on beam (1) lower end of calling, be vertically fixed on the door leaf (5) corresponding with this directive wheel (18), after the other end of wire rope (20) strides across the directive wheel (18) of column (3) inner upper end, be connected with counterweight (19) by wire rope clip (21), counterweight (19) is in the column (3) that is fixed with directive wheel (18), the lower end of every door-hinge (15) is set in the thrust bearing (16), and the upper end of every door-hinge (15) is connected by the splined shaft (24) of the spline housing on it (23) with every sprocket shaft (9) bottom.

2. sprocket-type non-pressure damper according to claim 1, it is characterized in that: described every door leaf (5) is provided with window (2), is equipped with handrail (4) on the leading flank of every door leaf (5) and the trailing flank.

3. sprocket-type non-pressure damper according to claim 1 and 2, it is characterized in that: the material of this sprocket-type non-pressure damper is Steel material.