CN211117717U - Insert plate type valve for material inlet of recovery sieve - Google Patents

Abstract

The utility model discloses an inserting plate type valve for a material inlet of a recovery sieve, which comprises a valve body, wherein a raft plate is arranged in a raft plate hole on the valve body, a raft plate box is arranged on the opening end of the raft plate hole, a supporting spring is fixedly connected between the top surface in the raft plate box and the top surface of the raft plate, a sealing hole is sunken in the top surface of the raft plate box, a slide hole is sunken in the sealing ring in the sealing hole, the slide hole is fixedly connected with the top end of a slide rod, and the two ends of the slide rod are fixedly connected with the inner ring wall of a slide shaft and the top surface of the raft plate respectively; the top surface of raft board case is equipped with the connecting cylinder, installs the bearing in the bearing groove of connecting cylinder, and the inner steel ring of bearing and the lead screw section of thick bamboo rigid coupling of hand wheel, lead screw section of thick bamboo and lead screw are connected soon. The utility model discloses, reform transform and retrieve sieve pan feeding mouth valve, change into picture peg formula valve, through the distance between regulation raft board and the valve body, can the complete control pan feeding size, if a retrieve the sieve and need shut down the maintenance, can seal the pan feeding mouth completely, one shut down the maintenance, other platforms can move, do not influence production.

Description

Insert plate type valve for material inlet of recovery sieve

Technical Field

The utility model relates to a picture peg formula valve technical field especially relates to a retrieve sieve pan feeding mouth and use picture peg formula valve.

Background

The recovery sieve feeding port valve is a simple rotary switch, can not be completely closed, can not accurately control the feeding amount, causes uneven feeding, leads to the fact that the moisture and ash content of the fine coal of the sieve are suddenly high and suddenly low, and the desliming effect is poor, and if one recovery sieve needs to be rush-repaired, the whole coal washing equipment is shut down completely, and causes unplanned shutdown.

Reform transform and retrieve sieve pan feeding mouth valve, change into picture peg formula valve, can the pan feeding size of complete control, if a retrieve the sieve and need shut down the maintenance, can close the pan feeding mouth totally, one is shut down and is overhauld, and other platforms can move, do not influence production. Therefore, a plug-in plate type valve for a material inlet of a recovery sieve is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a plug board type valve for a material inlet of a recovery sieve.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the plug-in plate type valve for the material inlet of the recovery sieve comprises a valve body, wherein the valve body is a cylindrical barrel with two circular ends and a concave middle part, the valve body is horizontally and transversely placed, rectangular raft holes are longitudinally sunken in the top surface of the valve body, raft plates are arranged in the raft holes, raft plate boxes are arranged at the opening ends of the raft holes, and the raft plate boxes are vertically inverted and are rectangular boxes with downward openings; a supporting spring is fixedly connected between the inner top surface of the raft board box and the top surface of the raft board, a circular sealing hole is sunken in the top surface of the raft board box, a sealing ring is installed in the sealing hole, a sliding hole is sunken in the sealing ring, a sliding shaft is installed in the sliding hole, the inner ring wall of the sliding shaft is fixedly connected with the top end of a sliding rod, and the bottom end of the sliding rod penetrates through the supporting spring and is fixedly connected with the top surface of the raft board; the top surface of raft board case is equipped with hollow connecting cylinder, the sunken bearing groove that has in connecting cylinder top, the bearing is installed to the bearing inslot, the inner steel ring of bearing and the lead screw section of thick bamboo rigid coupling of hand wheel, be equipped with screw connection's lead screw in the lead screw section of thick bamboo, the bottom of lead screw and the outer lane wall rigid coupling of slide-axle.

Preferably, the bearing includes interior steel ring, outer steel ring, spin, the steel ring is equipped with to outer steel ring endotheca, the medial surface of outer steel ring is sunken to have a pair of first spin groove, the position that interior steel ring lateral surface and first spin groove correspond is sunken to have a pair of second spin groove, evenly arrange between first spin groove and the second spin groove and be equipped with the spin, the inside wall rigid coupling of bearing inslot on outer steel ring lateral wall and the connecting cylinder.

Preferably, the hand wheel includes a ring rod, a connecting rod, a lead screw cylinder, the central point of ring rod puts and is equipped with the vertical lead screw cylinder of placing, be equipped with the connecting rod between the inside wall of ring rod and the lateral wall of a lead screw cylinder, the screw cylinder is sunken to have the thread groove, the thread groove corresponds with lead screw threaded connection, the inside wall rigid coupling of interior steel ring on lead screw cylinder bottom lateral wall and the bearing.

Preferably, the bottom of raft board case and the equal horizontal sunken recess of open end cross position in raft diaphragm orifice, every the bottom all transversely is equipped with a pair of second connecting cylinder in the recess, every the horizontal rigid coupling of bottom has expanding spring, every side in the second connecting cylinder the common rigid coupling of the other end of two expanding spring has the baffle, the other end rigid coupling of baffle has the rubber buffer.

Preferably, all transversely be equipped with the screw hole on the side of valve body both ends ring, the valve body inner bottom surface has raft board groove with vertical sunken in the position that the raft board corresponds.

Preferably, the inner wall of the valve body and the outer wall of the raft are covered with protective layers.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the hand wheel is rotated to drive the lead screw to move up and down, and further drive the slide bar to move up and down in the slide hole, so that the raft plate is driven to move in the valve body, and the slide shaft is additionally arranged to connect the lead screw and the slide bar, so that the slide bar is prevented from being damaged when the lead screw rotates;

2. the telescopic baffle plate device is arranged at the cross position of the bottom end of the raft box and the opening end of the raft hole, so that when the raft moves up and down, the rubber plugs on the baffles at the two sides are always tightly attached to the raft, and redundant coal ash is prevented from entering the raft box;

3. the material inlet valve of the recovery screen is transformed into a plug-in valve, the size of the material inlet can be completely controlled by adjusting the distance between the raft and the valve body, if one recovery screen needs to be stopped for maintenance, the material inlet can be completely closed, one recovery screen can be stopped for maintenance, and other recovery screens can run without influencing production;

to sum up, the valve of the utility model drives the screw rod to move up and down through the rotating hand wheel, and further drives the slide rod to move up and down in the slide hole, thereby driving the raft board to move in the valve body, and additionally arranging the slide shaft to connect the screw rod and the slide rod, and preventing the screw rod from damaging the slide rod during rotation; the telescopic baffle plate device is arranged at the cross position of the bottom end of the raft box and the opening end of the raft hole, so that when the raft moves up and down, the rubber plugs on the baffles at the two sides are always tightly attached to the raft, and redundant coal ash is prevented from entering the raft box; through transforming recovery sieve pan feeding mouth valve, change into picture peg formula valve, through the distance between regulation raft and the valve body, can control the pan feeding size completely, if a recovery sieve need shut down the maintenance, can seal the pan feeding mouth completely, and one is shut down and is overhauld, and other platforms can move, do not influence production.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limitation. In the drawings:

fig. 1 is a first front sectional view of a plug-in plate type valve for a material inlet of a recovery sieve in accordance with the present invention;

fig. 2 is a second front sectional view of the plug-in plate type valve for the material inlet of the recovery sieve in accordance with the present invention;

fig. 3 is a left side view of the plug-in plate type valve for the material inlet of the recovery sieve of the present invention;

fig. 4 is an enlarged view of a portion a of the plug-in plate type valve for the material inlet of the recovery sieve provided by the utility model;

fig. 5 is a top view of the handwheel of the plug-in plate type valve for the material inlet of the recovery sieve of the present invention;

FIG. 6 is a front view of the hand wheel of the plug-in valve for the material inlet of the recycling screen of the present invention;

fig. 7 is an enlarged view of a plug-in plate type valve for a material inlet of a recovery sieve in a position B;

fig. 8 is an enlarged view of a plug-in plate type valve for a material inlet of a recovery sieve in a position C;

fig. 9 is an enlarged view of the insert plate type valve for the material inlet of the recovery sieve in fig. eight D;

number in the figure: the device comprises a hand wheel 1, a circular ring rod 101, a connecting rod 102, a screw rod cylinder 103, a screw rod 2, a connecting cylinder 3, a raft box 4, a screw hole 5, a raft plate groove 6, a supporting spring 7, a raft plate 8, a valve body 9, a sliding rod 10, a bearing 11, an inner steel ring 111, an outer steel ring 112, a rolling ball 113, a sealing ring 12, a sliding hole 121, a sliding shaft 13, a second connecting cylinder 14, a telescopic spring 15, a baffle 16 and a rubber plug 17.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Example (b): referring to fig. 1-9, a plug-in valve for a material inlet of a recovery sieve comprises a valve body 9, wherein the valve body 9 is a cylindrical cylinder with two circular ends and a concave middle part, the valve body 9 is horizontally and transversely placed, rectangular raft holes are longitudinally sunken in the top surface of the valve body 9, raft plates 8 are arranged in the raft holes, raft plate boxes 4 are arranged on the open ends of the raft holes, the raft plate boxes 4 are rectangular boxes which are vertically placed upside down and have downward openings, and the openings of the raft holes are completely and fixedly connected and meshed with the openings in the bottom surface of the raft boxes 4; a supporting spring 7 is fixedly connected between the inner top surface of the raft plate box 4 and the top surface of the raft plate 8, the top end of the supporting spring 7 is fixedly connected with the inner top surface of the raft plate box 4, the bottom end of the supporting spring 7 is fixedly connected with the top surface of the raft plate 8, a circular sealing hole is sunken in the top surface of the raft plate box 4, a sealing ring 12 is installed in the sealing hole, the sealing ring 12 is a rubber sealing ring, a sliding hole 121 is sunken in the sealing ring 12, a sliding shaft 13 is installed in the sliding hole 121, the sliding shaft 13 is a miniature bearing, the inner ring wall of the sliding shaft 13 is fixedly connected with the top end of a sliding rod 10, and the bottom end of the sliding rod 10 penetrates through the supporting spring; the top surface of raft board case 4 is equipped with hollow connecting cylinder 3, and 3 tops of connecting cylinder are sunken to have the bearing groove, and bearing 11 is installed to the bearing inslot, and the interior steel ring 111 of bearing 11 and the lead screw section of thick bamboo 103 rigid coupling of hand wheel 1 are equipped with screw connection's lead screw 2 in the lead screw section of thick bamboo 103, and the bottom of lead screw 2 and the outer lane wall rigid coupling of slide-axle 13.

The utility model discloses in, bearing 1 includes inner steel ring 111, outer steel ring 112, spin 113, and inner steel ring 111 is established to outer steel ring 112 endotheca, and outer steel ring 112's medial surface is sunken to have a pair of first spin groove, and the position that interior steel ring 111 lateral surface and first spin groove correspond is sunken to have a pair of second spin groove, evenly arranges between first spin groove and the second spin groove and is equipped with spin 113, the inside wall rigid coupling of bearing inslot on outer steel ring 112 lateral wall and the connecting cylinder 3.

The utility model discloses in, hand wheel 1 includes ring pole 101, connecting rod 102, lead screw section of thick bamboo 103, the central point of ring pole 101 puts and is equipped with the vertical lead screw section of thick bamboo 103 of placing, be equipped with connecting rod 102 between the inside wall of ring pole 101 and the lateral wall of lead screw section of thick bamboo 103, the quantity of connecting rod is three and evenly distributed, the one end of every connecting rod 102 all with the inside wall rigid coupling of ring pole 101, the other end of every connecting rod 101 all with the lateral wall rigid coupling of lead screw section of thick bamboo 103, the sunken thread groove that has in lead screw section of thick bamboo 103, the thread groove corresponds with 2 screwed connection of lead screw, the inside wall rigid coupling of steel ring 111 in lead screw section of thick bamboo 103 bottom.

The utility model discloses in, the bottom of raft case 4 and the equal horizontal sunken groove of open end cross position in raft diaphragm orifice, the bottom all transversely is equipped with a pair of second connecting cylinder 14 in every recess, and the horizontal rigid coupling of bottom has expanding spring 15 in every second connecting cylinder 14, and the common rigid coupling of the other end of two expanding spring 15 in every side has baffle 16, and baffle 16's other end rigid coupling has rubber buffer 17.

In the utility model, the side surfaces of the circular rings at the two ends of the valve body 9 are respectively and transversely provided with six screw holes 5, the number of the screw holes 5 at each side is six, the screw holes 5 are uniformly distributed, the position of the inner bottom surface of the valve body 9 corresponding to the raft 8 is vertically sunken with a raft groove 6, and the raft groove is completely meshed with the bottom end of the raft 8; the inner wall of the valve body 9 and the outer wall of the raft 8 are both covered with protective layers, and the protective layers are polytetrafluoroethylene coatings.

When the utility model is used, the hand wheel 1 is rotated to drive the lead screw 2 to move up and down, and the slide bar 10 is further driven to move up and down in the slide hole 121, so that the raft plate 8 is driven to move in the valve body 1, the slide shaft 12 is additionally arranged to connect the lead screw 2 and the slide bar 10, and the slide bar 10 is prevented from being damaged by the lead screw 2 during rotation; the telescopic baffle plate device is arranged at the cross position of the bottom end of the raft box 4 and the opening end of a raft hole, when the raft 8 moves up and down, the rubber plugs 17 on the baffles 16 at the two sides are always clung to the side wall of the raft 8, and redundant coal ash is prevented from entering the raft box 4; through reforming transform recovery sieve pan feeding mouth valve, change into picture peg formula valve, through the distance between regulation raft 8 and the valve body 1, can control the pan feeding size completely, if a recovery sieve need shut down the maintenance, can seal the pan feeding mouth completely, and one is shut down and is overhauld, and other platforms can move, do not influence production.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. The utility model provides a retrieve sieve pan feeding is picture peg formula valve for mouth, includes valve body (9), its characterized in that: the valve body (9) is a cylindrical barrel with two circular ends and a concave middle part, the valve body (9) is horizontally and transversely placed, rectangular raft holes are longitudinally sunken in the top surface of the valve body (9), raft plates (8) are arranged in the raft holes, raft plate boxes (4) are arranged at the open ends of the raft holes, and the raft plate boxes (4) are vertically inverted and are rectangular boxes with downward openings; a supporting spring (7) is fixedly connected between the inner top surface of the raft plate box (4) and the top surface of the raft plate (8), a circular sealing hole is sunken in the top surface of the raft plate box (4), a sealing ring (12) is installed in the sealing hole, a sliding hole (121) is sunken in the sealing ring (12), a sliding shaft (13) is installed in the sliding hole (121), the inner ring wall of the sliding shaft (13) is fixedly connected with the top end of a sliding rod (10), and the bottom end of the sliding rod (10) penetrates through the supporting spring (7) to be fixedly connected with the top surface of the raft plate (8); the top surface of raft board case (4) is equipped with hollow connecting cylinder (3), sunken bearing groove that has in connecting cylinder (3) top, bearing (11) are installed to the bearing inslot, the interior steel ring (111) of bearing (11) and the lead screw section of thick bamboo (103) rigid coupling of hand wheel (1), be equipped with threaded connection's lead screw (2) in lead screw section of thick bamboo (103), the bottom of lead screw (2) and the outer lane wall rigid coupling of sliding shaft (13).

2. The insert plate type valve for the material inlet of the recovery sieve of claim 1, which is characterized in that: bearing (11) are including inner steel ring (111), outer steel ring (112), spin (113), inner steel ring (111) are established to outer steel ring (112) endotheca, the medial surface of outer steel ring (112) is sunken to have a pair of first spin groove, the position that inner steel ring (111) lateral surface and first spin groove correspond is sunken to have a pair of second spin groove, evenly arrange between first spin groove and the second spin groove and be equipped with spin (113), bearing inslot's inside wall rigid coupling on outer steel ring (112) lateral wall and connecting cylinder (3).

3. The insert plate type valve for the material inlet of the recovery sieve of claim 1, which is characterized in that: hand wheel (1) includes ring pole (101), connecting rod (102), a screw rod section of thick bamboo (103), the central point of ring pole (101) puts a screw rod section of thick bamboo (103) that is equipped with vertical placing, be equipped with connecting rod (102) between the inside wall of ring pole (101) and the lateral wall of a screw rod section of thick bamboo (103), a screw rod section of thick bamboo (103) are sunken to have the thread groove, the thread groove corresponds with lead screw (2) threaded connection, the inside wall rigid coupling of interior steel ring (111) is gone up to a screw rod section of thick bamboo (103) bottom lateral wall and bearing (11).

4. The insert plate type valve for the material inlet of the recovery sieve of claim 1, which is characterized in that: the bottom of raft board case (4) and the equal horizontal recess of sinking of open end cross position in raft board hole, every the bottom all transversely is equipped with a pair of second connecting cylinder (14), every in the recess the horizontal rigid coupling of bottom has expanding spring (15), every side in second connecting cylinder (14) the common rigid coupling of the other end of two expanding spring (15) has baffle (16), the other end rigid coupling of baffle (16) has rubber buffer (17).

5. The insert plate type valve for the material inlet of the recovery sieve of claim 1, which is characterized in that: all transversely be equipped with screw hole (5) on the side of valve body (9) both ends ring, vertically sunken raft groove (6) have in valve body (9) on the position that bottom and raft (8) correspond.

6. The insert plate type valve for the material inlet of the recovery sieve of claim 1, which is characterized in that: the inner wall of the valve body (9) and the outer wall of the raft (8) are both covered with protective layers.

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