CN2733121Y

CN2733121Y - Energy-conserving type automatic translating blind plate valve

Info

Publication number: CN2733121Y
Application number: CN 200420080620
Authority: CN
Inventors: 李其; 耿选
Original assignee: ZHEJIANG DONGYA VALVE INDUSTRIAL Co Ltd
Current assignee: ZHEJIANG DONGYA VALVE INDUSTRIAL Co Ltd
Priority date: 2004-10-26
Filing date: 2004-10-26
Publication date: 2005-10-12
Anticipated expiration: 2014-10-26

Abstract

The utility model relates to an automatic translating blind plate valve used in the gas medium pipeline systems of the industries such as metallurgical industry coal gas, metro coal gas pipe network and environment protection for opening or closing harmful, toxic and inflammable gas. The automatic translating blind plate valve comprises a left valve body (1), a middle valve body (2), a right valve body (3), a valve plate (4), a clamping mechanism and a valve plate translating driving mechanism. The automatic translating blind plate valve is characterized in that the clamping mechanism is composed of four sets of screw transmission devices (15) which are respectively arranged along radical direction uniformly and have the same structures and the synchronous driving mechanisms of the screw transmission devices, and the angle of screw transmission devices (15) from clamping to loosening is not over 180 degrees. Thus transmission efficiency is quite high, the valve is opened and closed quickly, gas leakage is little, and the automatic translating blind plate valve has the characteristic of non-linear reinforcement. The automatic translating blind plate valve can be easily and quickly operated by workers in the situation of power cut.

Description

High efficiency energy saving automatic parallel moving type blind plate valve

Technical field: the utility model relate in the gas medium pipe-line system of industries such as a kind of metallurgical industry coal gas, municipal gaspipe network and environmental protection to harmful, poisonous, inflammable gas is opened or close the automatic parallel moving type blind plate valve of usefulness.

Background technique: traditional automatic parallel moving type blind plate valve mainly by left valve barrel, middle valve body, right valve barrel, gear, gear ring, leading screw pay, part such as valve plate, seal ring forms.And constitute a rigid construction body by lower bottom base and upper support beam.Be provided with driving clamping device and plate drive unit in the valve.Driving clamping device by pay by gear ring, gear and leading screw spiral the fastening device formed drive in valve body finish with right (left side) valve body unclamp, clamp action, plate drive unit drive valve plate is finished plate and is moved.The disadvantage of this fastening device is that structure is huge, raw materials consumption is big, and machinery driving efficiency is too low, the energy consumption height, and easily cause clamping not in place, thus cause the seal failure of valve.

The model utility content:

The purpose of this utility model is that existing automatic parallel moving type blind plate valve fastening device structure is huge, raw materials consumption big in order to overcome, power consumption is high, the problem that material and processing cost are big and provide a kind of cost lower, be easy to produce, automatic parallel moving type blind plate valve that transmission efficiency is high.

The technological scheme that the utility model is used to solve the problems of the technologies described above is as follows: a kind of high efficiency energy saving automatic parallel moving type blind plate valve, comprise left valve barrel, middle valve body, right valve barrel, valve plate, fastening device and valve plate translational drive mechanism, it is characterized in that: described fastening device radially evenly is provided with identical helicoidal gear of structure and synchronous drive mechanism thereof respectively by four groups and forms, described helicoidal gear comprises that 2 or 3 be arranged in parallel, a rigidity support arm and a side that two ends have ball-and-socket joint are provided with the rotating disk that drives rotating shaft, described support arm one end is hinged on the fixed tray, fixed tray is fixedlyed connected with middle valve body, the other end symmetry is fixedly hinged on the rotating disk opposite side card opposite with rotating shaft, and described rotating disk is connected with left valve barrel or right valve barrel rotationally by bearing support; Be equipped with sprocket wheel in the rotating shaft of described helical rotation device, be provided with synchronization chain each other and constitute interlock, synchronization chain and synchronous drive mechanism are in transmission connection.

Adopt the support arm of ball-and-socket joint and the fastening device that rotating disk constitutes; when rotary turnplate; institute's support arm will conversion between parallel and twisted state; distance between the ball-and-socket joint of two ends promptly changes; because the end that fastening device is connected with left valve barrel or right valve barrel maintains static; therefore valve body moves around in driving; finish the clamping of valve plate or unclamp action; and be no more than 180 ° from being clamped to the angle of unclamping rotation; so transmission efficiency is very high; open and close quick; gas leakage is few, and this mechanism has the characteristics of non-linear reinforcement, though under powering-off state by manual operation; also can feel unusual light and quick; the compacted position of sealing surface promptly is the mechanical limit position of this mechanism in addition, and this moment, the axis of all support arms all paralleled with the spin axis of this mechanism, can realize smoothly that (live axle) zero torque keeps the state that compresses; can effectively avoid sealing surface to cross the appearance of impaction state, the not compacted mechanism of protection seal ring damages by pressure unusually.

The utility model is described in further detail below in conjunction with drawings and Examples.

Description of drawings:

Accompanying drawing 1 is the utility model specific embodiment structural representation;

Accompanying drawing 2 is Figure 1A-A cut-away view;

Accompanying drawing 3 is the utility model helicoidal gear specific embodiment structure cut-away view;

Specific embodiment: as Fig. 1, shown in 2, high efficiency energy saving automatic parallel moving type blind plate valve still comprises left valve barrel 1, middle valve body 2, right valve barrel 3 and valve plate 4 and valve plate 4 driving mechanisms, left valve barrel 1 and right valve barrel 3 have the support of rectangle, middle valve body 2 places a left side, right valve barrel 1, between 3, the valve plate combination is arranged between middle valve body 2 and left valve barrel 1 or the right valve barrel 5, this specific embodiment is an example to be arranged between middle valve body 2 and the left valve barrel 1, be connected bit shift compensation so that valve opening and closing to be provided by metal bellows 5 between then middle valve body 2 and the right valve barrel 3, left valve barrel 1 and right valve barrel connect into a rigid construction body by two upper support beams 6 and two lower bottom bases 7 respectively in both sides about in the of 3, during four helicoidal gears 15 are separately positioned between valve body 3 and the left valve barrel 1 on four jiaos, running shaft 10 lines are parallel with valve axis, as shown in Figure 3, helicoidal gear 15 be arranged in parallel by 2 or 3, a rigidity support arm 8 and a side that two ends have ball-and-socket joint 11 are provided with the rotating disk 9 that drives rotating

shaft

10,8 numbers of support arm are many can to bear bigger power, but can limit the angular range of spiral and make maximum displacement apart from shortening, the distance of 8 of support arms also can influence shift length in addition, helicoidal gear 15 in the present embodiment is provided with two support arms 8, support arm 8 can be an integral structure, but for the ease of adjusting, enlarge the Applicable scope of helicoidal gear 15, support arm 8 adopts two to have one section connecting rod composition that is provided with screw thread along the ball-and-socket joint 11 and the two ends of the column joint of central shaft setting in the present embodiment, the joint of described ball-and-socket joint 11 is provided with the axial screw that matches with the connecting rod screw thread, described ball-and-socket joint 11 is threaded with the connecting rod two ends, support arm 8 two ends ball-and-socket joints 11 symmetries, the bar that is rotatably connected just can be regulated the distance between the two ends ball-and-socket joint 11, the valve body that can adapt to various different sizes, rotating disk 9 centers are provided with axis hole, one end of rotating shaft 10 is connected in the axis hole, described support arm 8 one ends are hinged on the fixed tray 16, fixed tray 16 is fixedlyed connected with middle valve body 3, the other end symmetry location is hinged on the rotating disk 9 on the opposite side card opposite with rotating shaft 10 forms helicoidal gear 15, the support of right valve barrel 3 is provided with axle sleeve, the axle sleeve two ends are provided with bearing and constitute bearing support 17, and described rotating disk 9 is connected with right valve barrel 3 rotationally by bearing support 17; Be equipped with sprocket wheel in the rotating shaft 10 of described helical rotation device, this sprocket wheel also can constitute by on the circumference of rotating disk 9 sprocket being set, be provided with synchronization chain 12 each other and constitute interlock, synchronization chain 12 is in transmission connection with synchronous drive mechanism, one of four groups helicoidal gear 15 1 sides are arranged with powered actuation mechanism 13 in parallel, be provided with crank-bar linkage mechanism between the output shaft of described powered actuation mechanism 13 and the rotating shaft 10 and form described synchronous drive mechanism, the end of the rotating shaft 10 of described helical rotation device and the output shaft of powered actuation mechanism 13 is as the pivot of two forks of crank-bar linkage mechanism, and link with fork, powered actuation mechanism 13 drives 14 by micro-machine, also can adopt cylinder or oil hydraulic cylinder directly to drive the connecting rod or the fork of crank-bar linkage mechanism as power.

4 combinations are arranged between middle valve body 2 and the right valve barrel 3 as valve plate, then middle valve body 2 is connected on the left valve barrel 1 by metal bellows 5, three groups of identical helicoidal gears 15 of structure are arranged on the corresponding support of middle valve body 2 and left valve barrel 1, the support of left valve barrel 1 is provided with axle sleeve, and described rotating disk 9 is connected with left valve barrel 1 rotationally by bearing support 17.

Open or the closing operation process as follows: when pipe network system need be inserted blind plate and closes, drive the crank-bar linkage rotation by driving power device earlier and drive initiatively helicoidal gear 15 rotations, drive other three groups of helicoidal gear 15 spirals simultaneously by synchronization chain 12 or synchronization link mechanism and unclamp the left valve barrel 1 and middle valve body 2 that clamps valve plate 4, unclamp put in place after, driving mechanism by valve plate 4 combinations makes it move to another station, after valve plate 4 combinations are moved into place, carry out reverse operating again, make left and right sides valve body 3 clamp valve plate 4 again, clamp the back whole operation process that puts in place and finish; When pipe network system need be opened, similar with said process, what just insert was ventilating hole plate.

Claims

1, a kind of high efficiency energy saving automatic parallel moving type blind plate valve, comprise left valve barrel (1), middle valve body (2), right valve barrel (3), valve plate (4), fastening device and valve plate translational drive mechanism, it is characterized in that: described fastening device radially evenly is provided with identical helicoidal gear of structure (15) and synchronous drive mechanism thereof respectively by four groups and forms, described helicoidal gear (15) comprises that 2 or 3 be arranged in parallel, a rigidity support arm (8) and a side that two ends have ball-and-socket joint (11) are provided with the rotating disk (9) that drives rotating shaft (10), described support arm (8) one ends are hinged on the fixed tray (16), fixed tray (16) is fixedlyed connected with middle valve body (2), the other end symmetry is fixedly hinged on rotating disk (9) the opposite side card opposite with rotating shaft (10), and described rotating disk (9) is connected with left valve barrel (1) or right valve barrel (3) rotationally by bearing support (17); The rotating shaft of described helical rotation device is equipped with sprocket wheel on (10), is provided with synchronization chain (12) each other and constitutes interlock, and synchronization chain (12) is in transmission connection with synchronous drive mechanism.

2, by the described high efficiency energy saving automatic parallel moving type blind plate valve of claim 1, it is characterized in that: one of four groups helicoidal gear (15) one sides are arranged with powered actuation mechanism (13) in parallel, are provided with crank-bar linkage mechanism between the output shaft of described powered actuation mechanism (13) and the rotating shaft (10) and form described synchronous drive mechanism.

3, by claim 1 or 2 described high efficiency energy saving automatic parallel moving type blind plate valves, it is characterized in that: described support arm (8) has the ball-and-socket joint (11) of one section column joint by two and connecting rod that two ends are provided with screw thread is formed, the joint of described ball-and-socket joint (11) is provided with the axial screw that matches with the connecting rod screw thread, and described ball-and-socket joint (11) is threaded with the connecting rod two ends.

4, by claim 1 or 2 described high efficiency energy saving automatic parallel moving type blind plate valves, it is characterized in that: described helicoidal gear (15) is provided with 2 support arms (8).

5, by claim 3 high efficiency energy saving automatic parallel moving type blind plate valve, it is characterized in that: described helicoidal gear (15) is provided with 2 support arms (8).

6, by claim 1 or 2 or 5 described high efficiency energy saving automatic parallel moving type blind plate valves, it is characterized in that: described support arm (8) two ends ball-and-socket joints (11) symmetry.

7, by the described high efficiency energy saving automatic parallel moving type blind plate valve of claim 3, it is characterized in that: described support arm (8) two ends ball-and-socket joints (11) symmetry.

8, by the described high efficiency energy saving automatic parallel moving type blind plate valve of claim 4, it is characterized in that: described support arm (8) two ends ball-and-socket joints (11) symmetry.