CN211648201U - Novel combined hydraulic operation valve with locking device - Google Patents
Novel combined hydraulic operation valve with locking device Download PDFInfo
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- CN211648201U CN211648201U CN202020186160.0U CN202020186160U CN211648201U CN 211648201 U CN211648201 U CN 211648201U CN 202020186160 U CN202020186160 U CN 202020186160U CN 211648201 U CN211648201 U CN 211648201U
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Abstract
The utility model relates to a novel combination hydraulic pressure operating valve with blocking device. The existing hydraulic operating platform handle locking device has large clearance. Therefore, the utility model discloses a two locking plates, two fixing bolt and a plurality of hydraulic pressure operating valve, every locking plate upper portion has all been opened two spouts that are "eight" word symmetry and arrange, every spout upper end, the lower extreme is equipped with circular calorie of hole respectively, still include two locking rods, every locking rod both ends are equipped with the external screw thread section respectively, be equipped with stop nut on the external screw thread section respectively, right trapezoid annular and trapezoidal annular have still been opened on every locking rod, the both sides of trapezoidal annular are the toper section respectively, the centre is cylindrical section, the outside of right trapezoid annular is cylindrical section, the inboard is the toper section, be equipped with long polished rod section between right trapezoid annular and the trapezoidal annular, trapezoidal annular is short polished rod section with adjacent external screw thread section. The utility model discloses the shutting clearance is little, and simple structure extensively is applicable to various hydraulic equipment in the pit in the colliery.
Description
Technical Field
The utility model relates to a novel combination hydraulic pressure operating valve with blocking device.
Background
The coal mine hydraulic support is an important component in the coal production process. The locking of the equipment is a powerful guarantee for preventing misoperation and accidents, but the hydraulic support is not provided with an effective locking device. In normal work, accidents of hurting people occur due to the fact that the operating handle is touched by mistake, and therefore the locking device is very important for installing the hydraulic support.
The Chinese utility model with the bulletin number of CN206668295U, which is authorized to be bulletin in 11/24/2017, discloses a hydraulic support power device and an operation platform handle locking device thereof. The locking device uses a U-shaped locking piece 32 which can be turned over on both sides of the operating handle 2 to lock the operating handle. Since each operating handle 2 has an enlarged bulb and a shaft, in order to ensure that the U-shaped locking member can be smoothly turned over, the operating handle locking hole 321 of the U-shaped locking member through which the operating handle 2 passes must be larger than the bulb of the operating handle. This results in an excessive clearance between the lever of handle 2 and U-shaped latch 32, and after latching handle 2 can still be moved within a certain range, which is still an unsafe factor.
The Chinese patent application with the publication number of CN 104179516A, which is published on 03.12.2014 discloses a locking device for an operating handle of a hydraulic support of a fully-mechanized coal mining machine, the invention utilizes the locking rod to fix the steel plate at one end and the steel plate at the other end outside the guard plate of the operation handle of the fully mechanized mining machine, the end parts of the limiting rod arranged on the rotating rod and the rotating rod at the other side and the limiting rod at the other side are normally positioned in the notch of the steel plate at the other end, the limiting rod and the limiting rod at the other side enable the operating handle to be in a locking state, when the operating handle is used, the locking hook at the lower part of the lifting handle is separated from the end parts of the limiting rod and the limiting rod at the other side by pulling the lifting handle, the rotating rod and the other rotating rod are under the action of the reset spring, the limiting rods of the rotating rod and the other rotating rod are positioned at the two sides of the lower part of the steel plate at the other end, the operation of the hydraulic support handle is always kept free from being hindered, and the operation handle of the fully mechanized mining machine is located in two gaps of the steel plate at the other end when not used at ordinary times. The invention changes the longitudinal turning buckle into the side turning buckle, after the locking, a gap is still left between the limiting rod 5 and the handle rod of the operating handle 1, and the structure is complex and the operation is inconvenient.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is how to overcome current hydraulic pressure operation panel handle blocking device clearance too big, the not tight, the structure of shutting is complicated, the inconvenient defect of operation, provides a novel combination hydraulic pressure operating valve with blocking device.
In order to solve the technical problem, the novel combined hydraulic operating valve with the locking device comprises two locking plates, two fixing bolts and a plurality of hydraulic operating valves, wherein the lower parts of the two locking plates are respectively provided with two fixing through holes, each hydraulic operating valve comprises an operating handle and a valve body, each valve body is respectively provided with two fixing through holes which are respectively aligned with the two fixing through holes on the two locking plates, each fixing bolt comprises a double-headed screw and fastening nuts at two ends of the double-headed screw, the valve bodies of the plurality of hydraulic operating valves are arranged side by side, the two locking plates respectively clamp the valve bodies of the plurality of hydraulic operating valves from two sides in the middle, the fixing through holes of the valve bodies of the hydraulic operating valves are opposite to the fixing through holes of the locking plates in pairs, and the double-headed screws are respectively arranged in the fixing through holes of the valve bodies of the hydraulic operating valves on one side and the fixing through holes of the locking plates in, in the fixed through hole of the hydraulic pressure operating valve body of opposite side and the fixed through hole of locking plate were worn to establish respectively by another double-end screw, every double-end screw both ends were fixed by fastening nut respectively, and operating handle includes bulb and handle pole, its characterized in that: the upper part of each locking plate is provided with two chutes which are symmetrically arranged in a splayed shape, the upper end and the lower end of each chute are respectively provided with a circular clamping hole, and the difference between the minimum distance of the circular clamping hole walls at the upper ends of the two chutes and the diameter of the handle rod of the operating handle is less than or equal to 2 mm and is not greater than 0;
it still includes two locking rods, every locking rod both ends are equipped with the external screw thread section respectively, be equipped with stop nut on the external screw thread section respectively, right trapezoid annular and trapezoidal annular have still been opened on every locking rod, the both sides of trapezoidal annular are the toper section respectively, the centre is cylindrical section, the outside of right trapezoid annular is cylindrical section, the inboard is the toper section, be equipped with long polished rod section between right trapezoid annular and the trapezoidal annular, be equipped with short polished rod section between trapezoidal annular and the adjacent external screw thread section, the diameter of the cylindrical section of right trapezoid annular is equal to the diameter of the cylindrical section of trapezoidal annular and is not more than spout width < external screw thread section addendum circle diameter of tooth tip circle diameter equal to long polished rod section diameter and is not more than circular card hole diameter, the axial length of the cylindrical section of right trapezoid annular equal to the axial length of the cylindrical section of trapezoidal annular is equal to locking plate thickness, and the interval of the vertical plane of the cylindrical section of right trapezoid annular and the trapezoidal annular equals two vertical planes of the vertical plane of the cylindrical section of trapezoidal annular equals The outer side surface spacing of the locking plate is subtracted by the thickness of a locking plate.
The circular clamping hole at the upper end of the sliding chute is a locking clamping hole, and the circular clamping hole at the lower end of the sliding chute is an unlocking clamping hole.
The design is that when the locking is needed, the end part of one locking rod is pulled to ensure that the locking plates on the two sides are just positioned in the right-angled trapezoid ring groove and the trapezoid ring groove of the locking rod respectively, then the locking rod is moved to the locking clamping hole through the sliding groove, then the locking rod is pulled again to ensure that the other ends of the short polished rod section and the long polished rod section of the locking rod are clamped in the corresponding locking clamping holes of the locking plates on the two sides respectively, so that the locking of the locking rod on one side can be realized, the locking rod on the other side is locked according to the same method, all the operating handles are clamped between the two sides of the two locking rods respectively, no gap or very small gap exists between the locking rod and the handle rod of the operating handle, and the misoperation of the operating handle can.
When unlocking is needed, the end part of one locking rod is pulled, so that the right-angled trapezoid ring groove and the trapezoid ring groove of the locking rod are just positioned at the locking plates at two sides respectively, then the locking rod is moved to an unlocking clamping hole through the sliding groove, then the locking rod is pulled again, so that the other ends of the short polished rod section and the long polished rod section of the locking rod are clamped in the corresponding unlocking clamping holes of the locking plates at two sides respectively, the unlocking of the locking rod at one side can be realized, the locking rod at the other side is unlocked according to the same method, the two locking rods are far away from the operating handle, and the operating handle can move freely. By the design, no gap or extremely small gap is formed during locking, so that misoperation can be effectively prevented. When the lock is unlocked, the operating handle can freely act. And when the unlocking and locking are switched, the unlocking and locking can be realized only by simple drawing and sliding, the structure is simple, and the use is convenient.
Preferably, the locking rod is provided with a through hole on the external thread section at two ends or one end, and the through hole is tied with a pull rope. So designed, it is convenient to pull the locking rod.
The novel combined hydraulic operating valve with the locking device has the advantages of small locking clearance, simple structure and convenience in use, and is widely applicable to various hydraulic devices in coal mines.
Drawings
The novel combination hydraulic operated valve with a locking device is further described with reference to the accompanying drawings:
FIG. 1 is a schematic illustration of the latching lever of the novel combination hydraulically operated valve with latching means (with the pull cord 10 omitted);
FIG. 2 is a schematic view of the locking lever of FIG. 1 with the end stop nuts removed (with the pull cord 10 omitted);
FIG. 3 is a schematic illustration of the latch plate of the novel combination hydraulically operated valve with the latching mechanism;
fig. 4 is a schematic end view of the novel combined hydraulic operation valve with the locking device in an unlocking state when in use (the pull rope 10 is omitted);
FIG. 5 is a side schematic view of the novel combination hydraulically operated valve of FIG. 4 with a lockout device in an unlocked condition;
FIG. 6 is a schematic top view of the novel combination hydraulically operated valve with lockout device of FIG. 4 in an unlocked condition;
FIG. 7 is a schematic end view of the novel combination hydraulically operated valve with a lockout device in a lockout condition (with the pull cord 10 omitted);
FIG. 8 is a side schematic view of the novel combination hydraulically operated valve with lockout device of FIG. 7 in a lockout condition (with the pull cord 10 omitted);
fig. 9 is a top view of the novel combination hydraulically operated valve with lockout device of fig. 7 in an unlocked condition (with the pull cord 10 omitted).
In the figure: 1 is a locking plate, 2 is a fixing bolt, 21 is a double-thread screw, 22 is a fastening nut, 3 is a fixing through hole, 4 is an operating handle, 41 is a ball head, 42 is a handle rod, 5 is a valve body, 6 is a sliding chute, 7 is a locking clamping hole, 8 is an unlocking clamping hole, 9 is a locking rod, 91 is an external thread section, 92 is a limiting nut, 93 is a right-angled trapezoidal ring groove, 94 is a trapezoidal ring groove, 95 is a conical section, 96 is a cylindrical section, 97 is a long polished rod section, 98 is a short polished rod section, 99 is a through hole, and 10 is a pull rope.
D1 is the diameter of the shank 42 of the operating handle 4;
d2 is the diameter of the cylindrical section 96 of the right angle trapezoidal ring groove 93;
d3 is the diameter of the cylindrical section 96 of the trapezoidal ring groove 94;
d4 is the crest circle diameter of the external thread section 91;
d5 is the long lightbar section 97 diameter;
d6 is the polished rod segment 98 diameter;
d7 is the diameter of the circular card hole,
s1 is a vertical bisection plane of the cylindrical section 96 of the right-angled trapezoidal ring groove 93;
s2 is a perpendicular bisector of the cylindrical section 96 of the trapezoidal ring groove 94;
l1 is the minimum distance between the hole walls of the circular clamping holes (namely the locking clamping holes 7) at the upper ends of the two sliding chutes 6,
L2 is the chute 6 width;
l3 is the axial length of the cylindrical section 96 of the right angle trapezoidal ring groove 93;
l4 is the axial length of the cylindrical section 96 of the trapezoidal ring groove 94;
l5 is the thickness of the latch plate 1;
l6 is the spacing between S1 and S2;
l7 represents the distance between the outer sides of the two closure plates 1.
Detailed Description
The first implementation mode comprises the following steps: as shown in fig. 1 to 9, the novel combined hydraulic operation valve with a locking device comprises two locking plates 1, two fixing bolts 2 and a plurality of hydraulic operation valves, wherein two fixing through holes 3 are respectively formed at the lower parts of the two locking plates 1, each hydraulic operation valve comprises an operation handle 4 and a valve body 5, two fixing through holes 3 are respectively formed in each valve body 5, and the two fixing through holes 3 are respectively aligned with the two fixing through holes 3 formed in the two locking plates 1. The fastening through-hole 3 in the closure plate 1 is preferably a slotted hole.
Every fixing bolt 2 comprises fastening nut 22 at a double-end screw 21 and double-end screw 21 both ends, the valve body 5 of a plurality of hydraulic operating valves sets up side by side, two locking plate 1 presss from both sides the valve body 5 of a plurality of hydraulic operating valves in the centre from both sides respectively, fixing hole 3 of hydraulic operating valve body 5 and locking plate 1's fixing hole 3 are two liang relative, a double-end screw 21 wears to establish respectively in fixing hole 3 of the hydraulic operating valve body 5 of one side and locking plate 1's fixing hole 3, another double-end screw 21 wears to establish respectively in fixing hole 3 of the hydraulic operating valve body 5 of opposite side and locking plate 1's fixing hole 3, every double-end screw 21 both ends are fixed by fastening nut 22 respectively, operating handle 4 includes bulb 41 and handle 42, its characterized in that: two sliding chutes 6 symmetrically arranged in a shape like a Chinese character 'ba' are formed in the upper portion of each locking plate 1, circular clamping holes are formed in the upper end and the lower end of each sliding chute 6 respectively, the circular clamping holes in the upper end of each sliding chute 6 are locking clamping holes 7, and the circular clamping holes in the lower end of each sliding chute 6 are unlocking clamping holes 8.
The difference between the minimum distance L1 of the circular hole clamping walls at the upper ends of the two sliding chutes 6 and the diameter D1 of the handle rod 42 of the operating handle 4 is less than or equal to 2 mm;
the locking device further comprises two locking rods 9, outer thread sections 91 are respectively arranged at two ends of each locking rod 9, a limit nut 92 is respectively arranged on each outer thread section 91, a right-angle trapezoidal ring groove 93 and a trapezoidal ring groove 94 are further formed in each locking rod 9, two sides of each trapezoidal ring groove 94 are respectively provided with a conical section 95, the middle of each trapezoidal ring groove 94 is provided with a cylindrical section 96, the outer side of each right-angle trapezoidal ring groove 93 is provided with a cylindrical section 96, the inner side of each right-angle trapezoidal ring groove 93 is provided with a conical section 95, a long polished rod section 97 is arranged between each right-angle trapezoidal ring groove 93 and each trapezoidal ring groove 94, a short polished rod section 98 is arranged between each trapezoidal ring groove 94 and the adjacent outer thread section 91, the diameter D2 of the cylindrical section 96 of each right-angle trapezoidal ring groove 93 is equal to the diameter D3 of the cylindrical section 96 of each trapezoidal ring groove 94, the width L2 of each right-angle trapezoidal ring groove 93 is smaller than the diameter D4 of the outer thread section 91, the diameter D5 of each long polished rod section 97 is equal to the diameter D6 of each short polished rod section 98 The thickness L5, and the distance L6 between the perpendicular bisector S1 of the cylindrical section 96 of the right-angled trapezoidal ring groove 93 and the perpendicular bisector S2 of the cylindrical section 96 of the trapezoidal ring groove 94 is equal to the distance L7 of the outer side surfaces of the two locking plates 1 minus the thickness L5 of one locking plate 1.
The locking rod 9 has a through hole 99 drilled in the male screw section 91 at both ends or one end, and the pull rope 10 is tied to the through hole 99. Note that the pull cord 10 needs to be installed after the limit nut 92 is installed.
Claims (2)
1. A novel combined hydraulic operating valve with a locking device comprises two locking plates, two fixing bolts and a plurality of hydraulic operating valves, wherein the lower parts of the two locking plates are respectively provided with two fixing through holes, each hydraulic operating valve comprises an operating handle and a valve body, each valve body is respectively provided with two fixing through holes which are respectively aligned with the two fixing through holes on the two locking plates, each fixing bolt is composed of a double-headed screw and fastening nuts at the two ends of the double-headed screw, the valve bodies of the plurality of hydraulic operating valves are arranged side by side, the two locking plates respectively clamp the valve bodies of the plurality of hydraulic operating valves from two sides in the middle, the fixing through holes of the valve bodies of the hydraulic operating valves are opposite to the fixing through holes of the locking plates in pairs, and one double-headed screw is respectively arranged in the fixing through hole of the valve body of the hydraulic operating valve on one side and the fixing through hole of the locking plate in, in the fixed through-hole of the hydraulic pressure operating valve body of opposite side and the fixed through-hole of shut plate were worn to establish respectively by another double-end screw, operating handle included bulb and handle pole, its characterized in that: the upper part of each locking plate is provided with two chutes which are symmetrically arranged in a splayed shape, the upper end and the lower end of each chute are respectively provided with a circular clamping hole, and the difference between the minimum distance of the circular clamping hole walls at the upper ends of the two chutes and the diameter of the handle rod of the operating handle is less than or equal to 2 mm and is not greater than 0; it still includes two locking rods, every locking rod both ends are equipped with the external screw thread section respectively, be equipped with stop nut on the external screw thread section respectively, right trapezoid annular and trapezoidal annular have still been opened on every locking rod, the both sides of trapezoidal annular are the toper section respectively, the centre is cylindrical section, the outside of right trapezoid annular is cylindrical section, the inboard is the toper section, be equipped with long polished rod section between right trapezoid annular and the trapezoidal annular, be equipped with short polished rod section between trapezoidal annular and the adjacent external screw thread section, the diameter of the cylindrical section of right trapezoid annular is equal to the diameter of the cylindrical section of trapezoidal annular and is not more than spout width < external screw thread section addendum circle diameter of tooth tip circle diameter equal to long polished rod section diameter and is not more than circular card hole diameter, the axial length of the cylindrical section of right trapezoid annular equal to the axial length of the cylindrical section of trapezoidal annular is equal to locking plate thickness, and the interval of the vertical plane of the cylindrical section of right trapezoid annular and the trapezoidal annular equals two vertical planes of the vertical plane of the cylindrical section of trapezoidal annular equals The outer side surface spacing of the locking plate is subtracted by the thickness of a locking plate.
2. The novel combination hydraulically operated valve with lockout device of claim 1 wherein: the external thread section at two ends or one end of the locking rod is also provided with a through hole which is provided with a pull rope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020186160.0U CN211648201U (en) | 2020-02-19 | 2020-02-19 | Novel combined hydraulic operation valve with locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020186160.0U CN211648201U (en) | 2020-02-19 | 2020-02-19 | Novel combined hydraulic operation valve with locking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211648201U true CN211648201U (en) | 2020-10-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020186160.0U Active CN211648201U (en) | 2020-02-19 | 2020-02-19 | Novel combined hydraulic operation valve with locking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211648201U (en) |
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2020
- 2020-02-19 CN CN202020186160.0U patent/CN211648201U/en active Active
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