WO2015158014A1 - Mining manual and automatic integrated electromagnetic pilot valve - Google Patents
Mining manual and automatic integrated electromagnetic pilot valve Download PDFInfo
- Publication number
- WO2015158014A1 WO2015158014A1 PCT/CN2014/076436 CN2014076436W WO2015158014A1 WO 2015158014 A1 WO2015158014 A1 WO 2015158014A1 CN 2014076436 W CN2014076436 W CN 2014076436W WO 2015158014 A1 WO2015158014 A1 WO 2015158014A1
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- WO
- WIPO (PCT)
- Prior art keywords
- rod
- pilot valve
- electromagnetic pilot
- cam part
- cap
- Prior art date
Links
- 238000005065 mining Methods 0.000 title claims abstract 4
- 230000007246 mechanism Effects 0.000 claims abstract description 17
- 230000000903 blocking effect Effects 0.000 claims 2
- 230000006835 compression Effects 0.000 abstract description 5
- 238000007906 compression Methods 0.000 abstract description 5
- 238000003825 pressing Methods 0.000 description 15
- 101100328887 Caenorhabditis elegans col-34 gene Proteins 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000003245 coal Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
- E21D15/50—Component parts or details of props
- E21D15/51—Component parts or details of props specially adapted to hydraulic, pneumatic, or hydraulic-pneumatic props, e.g. arrangements of relief valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
Definitions
- the present invention relates to the technical field of hydraulic control equipment for underground coal mines, and more particularly to a mine manual self-integrated electromagnetic pilot valve.
- BACKGROUND OF THE INVENTION At present, most of the underground hydraulic control devices of coal mines are composed of an electromagnetic control mechanism and a mechanical control mechanism. When the on-site working conditions can satisfy the energized state, the magnets and coils are controlled by electrical signals to drive the valve connecting rods to be lifted or lowered. Thereby controlling the closing and opening of the electromagnetic pilot valve.
- the operation of the mechanical control mechanism is performed by directly applying the force to the connecting rod to realize the displacement of the connecting rod.
- the problem to be solved by the invention is to provide a mine hand-integrated electromagnetic pilot valve which is convenient to operate, and is especially suitable for a non-electric power supply environment.
- a mine manual self-integrated electromagnetic pilot valve comprising a base housing and two sets of pressing rod mechanisms, wherein the bottom of the base housing is used for connecting an electromagnetic pilot
- the pressure bar mechanism includes a pressing rod, a ejector rod and a spring.
- the base housing is provided with a through hole at a position corresponding to a top end of the connecting rod in the electromagnetic pilot valve, and the ejector rod is inserted into the through hole.
- the upper end of the ejector rod is provided with a rod cap, and the inner edge of the bottom of the through hole is provided with a clamping portion, and the spring is disposed between the rod cap and the clamping portion, and when the rod cap is stressed, the ejector rod can compress the spring to move downward;
- the pressing rod includes a cam portion and a handle portion, the cam portion is in contact with the jack rod cap, and a central position of the cam portion is movably connected with the base housing, and the pressing rod can be rotated clockwise or counterclockwise, when the cam portion When the clockwise or counterclockwise rotation is performed, the ejector pin can be forced to move downward; the cam portion includes an adjacent contact surface and a locking surface, and the distance from the rotation center of the contact surface to the cam portion is smaller than the locking surface distance cam Part of the center of rotation, when the cam portion rotates in the direction of the locking surface, the top rod is pressed downward, and the rear locking surface is in contact with the upper surface of the jack rod cap and is in a locked state.
- the contact surface and the locking surface of the cam portion are both flat and disposed at an obtuse angle. Further, the contact surface and the locking surface of the cam portion are both flat, and the contact surface and the locking surface are arcuate. Further, the upper surface of the base housing is provided with a connecting portion, and the pressing rod and the connecting portion are connected by a pin. Further, the two pressing rods of the two sets of the pressing rod mechanism have the same direction, and the end portion of the handle portion has a circular shape.
- the invention has the advantages and positive effects: the realization of the manual control function of the electromagnetic pilot valve, the self-locking by the reverse cam, and the more convenient and practical mechanical operation without damaging the valve body,
- the utility model effectively solves the problems that the valve body is difficult to control manually, the operation is not good, and the service life is short, and the service life is short; the device has the advantages of simple structure, simple manufacture and low processing cost.
- Figure 1 is a side cross-sectional view of the creation of the present invention
- Figure 2 is a plan view of the creation of the present invention
- Figure 3 is a left side view of the creation of the present invention.
- Figure 4 is a schematic view showing the locked state created by the present invention.
- Figure 5 is a schematic view of the manual depression state created by the present invention.
- Figure 6 is a connection diagram of the creation of the present invention with an electromagnetic pilot valve.
- Base housing 2 electromagnetic pilot valve 3, pressure bar 4, the ejector 5, the spring 6, the pin
- the mine self-integrated electromagnetic pilot valve comprises a base housing 1 and two sets of pressing rod mechanisms; the bottom of the base housing 1 is used for connecting the electromagnetic pilot valve 2, as shown in Fig. 2, the small screw and the electromagnetic pilot The valve 2 is connected; each set of the pressing mechanism includes a pressing rod 3, a jack 4 and a spring 5, and the base housing 1 is provided with a through hole at a position corresponding to a top end of the connecting rod in the electromagnetic pilot valve 2.
- the ejector rod 4 is inserted into the through hole, the upper end of the ejector rod 4 is provided with a rod cap, and the rod cap portion is peripheral bearing, the ram 4 is in contact with the through hole through the bearing, and the inner edge of the bottom portion of the through hole is provided with a catching portion, the spring 5 is disposed between the lever cap and the catching portion, and when the lever cap is stressed, the jacking rod 4 can be moved downward by the compression spring 5;
- the pressing rod 3 includes a cam portion 31 and a handle portion 32, and the cam portion 31 Contact with the ejector pin 4, the central position of the cam portion and the base housing 1 movable connection; as shown in FIG.
- a connecting portion 11 is provided on the upper surface of the base housing 1, and the pressing rod 3 and the connecting portion 11 are connected by the pin 6, and the cam portion 31 is connected.
- the cam portion 31 includes an adjacent contact surface 33 and a locking surface 34. The distance from the center of rotation of the contact surface 33 to the cam portion 31 is smaller than the rotation of the locking surface 34 from the cam portion 31. The distance between the center and the distance is determined according to the height of the ejector 4; as shown in Fig.
- the specific angle of the obtuse angle is determined according to the force and the depression height of the ram 4;
- the contact surface 33 and the locking surface 34 of the cam portion 31 are both planar, and the contact surface 33 and the locking surface 34 are arcuately joined when the handle portion 32 is forced to rotate toward the locking surface.
- the curved surface and the upper surface of the ejector pin 4 are smoothly transitioned until the locking surface 34 contacts the upper surface of the ejector pin 4 and is locked; the two pressing bars 3 of the two sets of the pressing mechanism are aligned in the same direction Easy to set up, the end of the handle part is round and easy to press.
- the working process of this embodiment is as follows: as shown in FIG.
- the mechanism is used in conjunction with the electromagnetic pilot valve 2; when the handle portion 32 is pressed and pressed downward, the contact surface 33 exerts a downward force on the jack 4, top After the rod 4 is stressed, the spring 5 is deformed, and the lower end of the ejector rod 4 is displaced in the axial direction to compress the connecting rod in the electromagnetic pilot valve 2, thereby realizing the manual jog control of the opening and closing of the electromagnetic pilot valve 2; The handle portion 32 rotates in the direction of the locking surface 34, and the ejector rod 4 is pressed downward during the process. After the ejector rod 4 is stressed, the spring 5 is deformed, and the lower end of the ejector rod 4 is displaced in the axial direction to compress the electromagnetic pilot valve.
Abstract
A mining manual and automatic integrated electromagnetic pilot valve, comprising a base shell (1) and two sets of compression rod mechanisms, wherein each of the two sets of compression rod mechanisms comprises a compression rod (3), a push rod (4) and a spring (5). A through hole is provided at a position on the base shell (1) relative to the top end of a connecting rod in the electromagnetic pilot valve; the push rod (4) is inserted into the through hole; a rod cap is provided at the upper end of the push rod; a clamping portion is provided at the inner edge of the bottom of the through hole; the spring (5) is provided between the rod cap and the clamping portion; and the push rod can compress the spring (5) to move downwards when the rod cap is stressed. The compression rod (3) comprises a cam portion (31) and a handle portion (32), wherein the central position of the cam portion (31) is movably connected to the base shell (1); and the cam portion (31) comprises a contact face (33) and a locking face (34) which are adjacent. The electromagnetic pilot valve achieves a mechanical control function of an electromagnetic pilot valve and achieves self-locking through a reverse cam, so that a mechanical operation is more conveniently and practically achieved without damaging a valve body.
Description
说 明 书 一种矿用手自一体式电磁先导阀 Description: A mine self-integrated electromagnetic pilot valve
技术领域 本发明创造属于煤矿井下液压控制设备技术领域，尤其是涉及一 种矿用手自一体式电磁先导阀。 背景技术 目前，煤矿井下液压控制装置大部分是由电磁控制机构及机械控 制机构组成， 当现场工况能满足通电状态时， 通过电信号来控制磁铁 与线圈来驱动阀门连接杆的提起或放下，从而控制电磁先导阀门的关 闭及开启。 但是， 当现场无电力供应时， 就需要依靠机械控制机构来完成此 动作，机械控制机构的操作执行方式均为通过将作用力直接作用于连 接杆， 来实现连接杆的位移， 其操作接触面为裸露的连接杆顶端， 顶 端配以橡胶软垫以克服由于操作压力过大造成的不适以及不便。 上述执行方式中使用的橡胶软垫不仅使用寿命短而且由于现场 操作人员的操作极易造成破损；同时由于人工操作时无法保证绝对垂 直的按压连接杆， 也会对连接杆造成一定的损伤， 大大降低了整体控 制机构的使用寿命。 发明内容
本发明创造要解决的问题是提供一种操作方便的矿用手自一体 式电磁先导阀， 尤其适合无电力供应环境。 为解决上述技术问题， 本发明创造采用的技术方案是： 一种矿用手自一体式电磁先导阀，包括底座壳体和两组压杆机构， 所述底座壳体的底部用来连接电磁先导阀； 每组所述压杆机构包括一压杆、 一顶杆和一弹簧， 所述底座壳体上相对于电磁先导阀内的连接杆顶端位置设有通 孔， 顶杆插入通孔， 所述顶杆上端设有杆帽， 通孔底部内缘设有卡住 部， 所述弹簧设置在杆帽和卡住部之间， 当杆帽受力时， 顶杆可压缩 弹簧下移； TECHNICAL FIELD The present invention relates to the technical field of hydraulic control equipment for underground coal mines, and more particularly to a mine manual self-integrated electromagnetic pilot valve. BACKGROUND OF THE INVENTION At present, most of the underground hydraulic control devices of coal mines are composed of an electromagnetic control mechanism and a mechanical control mechanism. When the on-site working conditions can satisfy the energized state, the magnets and coils are controlled by electrical signals to drive the valve connecting rods to be lifted or lowered. Thereby controlling the closing and opening of the electromagnetic pilot valve. However, when there is no power supply at the site, it is necessary to rely on the mechanical control mechanism to perform this action. The operation of the mechanical control mechanism is performed by directly applying the force to the connecting rod to realize the displacement of the connecting rod. It is the top of the bare connecting rod, and the top is equipped with a rubber cushion to overcome the discomfort and inconvenience caused by excessive operating pressure. The rubber cushion used in the above execution mode not only has a short service life, but also is easily damaged due to the operation of the field operator; at the same time, due to the inability to ensure the absolute vertical pressing of the connecting rod during manual operation, the connecting rod is also damaged to a certain extent, Reduces the life of the overall control mechanism. Summary of the invention The problem to be solved by the invention is to provide a mine hand-integrated electromagnetic pilot valve which is convenient to operate, and is especially suitable for a non-electric power supply environment. In order to solve the above technical problem, the technical solution adopted by the invention is: a mine manual self-integrated electromagnetic pilot valve, comprising a base housing and two sets of pressing rod mechanisms, wherein the bottom of the base housing is used for connecting an electromagnetic pilot The pressure bar mechanism includes a pressing rod, a ejector rod and a spring. The base housing is provided with a through hole at a position corresponding to a top end of the connecting rod in the electromagnetic pilot valve, and the ejector rod is inserted into the through hole. The upper end of the ejector rod is provided with a rod cap, and the inner edge of the bottom of the through hole is provided with a clamping portion, and the spring is disposed between the rod cap and the clamping portion, and when the rod cap is stressed, the ejector rod can compress the spring to move downward;
所述压杆包括一个凸轮部分和一个手柄部分，所述凸轮部分与顶 杆杆帽接触， 凸轮部分的中央位置与底座壳体活动连接， 可实现压杆 顺时针或逆时针旋转， 当凸轮部分顺时针或逆时针旋转时， 均能使顶 杆受力下移； 所述凸轮部分包括相邻的接触面和锁止面，所述接触面距凸轮部 分的转动中心距离小于锁止面距凸轮部分的转动中心距离，当凸轮部 分向锁止面方向旋转时， 将顶杆向下压， 后锁止面与顶杆杆帽的上表 面接触并处于锁止状态。 进一歩的， 所述凸轮部分的接触面和锁止面均为平面， 呈钝角设 置。
进一歩的，所述凸轮部分的接触面和锁止面均为平面， 接触面和 锁止面相接处为弧面。 进一歩的， 所述底座壳体上表面设有连接部， 压杆与连接部通过 销轴连接。 进一歩的， 两组所述压杆机构的两个压杆方向一致， 手柄部分的 端部呈圆形。 本发明创造具有的优点和积极效果是： 实现了电磁先导阀的手自一体控制功能，通过反向凸轮实现自锁， 达到了在不损伤阀体的情况下更便捷且实用的进行机械操作，有效解 决了阀体手动控制困难， 操作不方面， 易损伤使用寿命短等问题； 具装置结构简单， 制作简单， 加工成本低。 附图说明 The pressing rod includes a cam portion and a handle portion, the cam portion is in contact with the jack rod cap, and a central position of the cam portion is movably connected with the base housing, and the pressing rod can be rotated clockwise or counterclockwise, when the cam portion When the clockwise or counterclockwise rotation is performed, the ejector pin can be forced to move downward; the cam portion includes an adjacent contact surface and a locking surface, and the distance from the rotation center of the contact surface to the cam portion is smaller than the locking surface distance cam Part of the center of rotation, when the cam portion rotates in the direction of the locking surface, the top rod is pressed downward, and the rear locking surface is in contact with the upper surface of the jack rod cap and is in a locked state. Further, the contact surface and the locking surface of the cam portion are both flat and disposed at an obtuse angle. Further, the contact surface and the locking surface of the cam portion are both flat, and the contact surface and the locking surface are arcuate. Further, the upper surface of the base housing is provided with a connecting portion, and the pressing rod and the connecting portion are connected by a pin. Further, the two pressing rods of the two sets of the pressing rod mechanism have the same direction, and the end portion of the handle portion has a circular shape. The invention has the advantages and positive effects: the realization of the manual control function of the electromagnetic pilot valve, the self-locking by the reverse cam, and the more convenient and practical mechanical operation without damaging the valve body, The utility model effectively solves the problems that the valve body is difficult to control manually, the operation is not good, and the service life is short, and the service life is short; the device has the advantages of simple structure, simple manufacture and low processing cost. DRAWINGS
图 1是本发明创造的侧面剖视图； Figure 1 is a side cross-sectional view of the creation of the present invention;
图 2是本发明创造的俯视图； Figure 2 is a plan view of the creation of the present invention;
图 3是本发明创造的的左视图； Figure 3 is a left side view of the creation of the present invention;
图 4是本发明创造的锁止状态示意图； Figure 4 is a schematic view showing the locked state created by the present invention;
图 5是本发明创造的手动下压状态示意图； Figure 5 is a schematic view of the manual depression state created by the present invention;
图 6是本发明创造与电磁先导阀的连接图。 Figure 6 is a connection diagram of the creation of the present invention with an electromagnetic pilot valve.
图中： In the picture:
1、 底座壳体 2、 电磁先导阀 3、 压杆
4、 顶杆 5、 弹簧 6、 销轴 1. Base housing 2, electromagnetic pilot valve 3, pressure bar 4, the ejector 5, the spring 6, the pin
11、 连接部 31、 凸轮部分 32、 手柄部分 33、 接触面 34、 锁止面 具体实施方式 下面结合附图对本发明创造的具体实施例做详细说明 如图 1至 6所示， 本发明创造一种矿用手自一体式电磁先导阀， 包括底座壳体 1和两组压杆机构； 所述底座壳体 1的底部用来连接电磁先导阀 2， 如图 2所小 旦 个螺杆与电磁先导阀 2进行连接; 每组所述压杆机构包括一压杆 3、 一顶杆 4和一弹簧 5， 所述底座壳体 1上相对于电磁先导阀 2内的连接杆顶端位置设有 通孔， 顶杆 4插入通孔， 所述顶杆 4上端设有杆帽， 杆帽部分外设轴 承， 顶杆 4通过轴承与通孔接触， 通孔底部内缘设有卡住部， 所述弹 簧 5设置在杆帽和卡住部之间， 当杆帽受力时， 顶杆 4可压缩弹簧 5 下移； 所述压杆 3包括一个凸轮部分 31和一个手柄部分 32， 所述凸轮 部分 31与顶杆 4杆帽接触， 所述凸轮部分的中央位置与底座壳体 1 活动连接； 如图 3所示， 具体实施方式可选则在所述底座壳体 1上表 面设连接部 11， 压杆 3与连接部 11通过销轴 6连接， 则凸轮部分 31
可相对底座壳体 1旋转； 所述凸轮部分 31包括相邻的接触面 33和锁止面 34， 所述接触 面 33距凸轮部分 31的转动中心距离小于锁止面 34距凸轮部分 31的 转动中心距离， 距离差根据顶杆 4的下压高度决定； 如图 1所示， 当手柄部分 32不受力时， 所述接触面 33与顶杆 4 杆帽的上表面接触； 如图 5所示， 当手柄部分 32受力， 顺时针向下按压， 接触面 33 对顶杆 4产生向下作用力， 可实现电磁先导阀的手动控制分断； 如图 4所示， 当手柄部分 32受力向锁止面 34方向旋转时（即逆 时针旋转） ， 将顶杆 4向下压， 后锁止面 34与顶杆 4杆帽的上表面 接触并处于锁止状态。 具体实施方式可选， 所述凸轮部分 31的接触面 33和锁止面 34 均为平面， 呈钝角设置， 钝角的具体角度， 根据受力和顶杆 4的下压 高度决定决定； 具体实施方式还可选， 所述凸轮部分 31 的接触面 33和锁止面 34均为平面， 接触面 33和锁止面 34相接处为弧面， 当手柄部分 32 受力向锁止面方向旋转时， 弧面与顶杆 4杆帽的上表面平滑过渡， 直 至锁止面 34与顶杆 4杆帽的上表面接触， 并锁止； 两组所述压杆机构的两个压杆 3方向一致， 方便设置， 手柄部分 的端部呈圆形， 按压方便。
本实施例的工作过程为： 如图 6所示， 本机构与电磁先导阀 2进 行配合使用； 当手柄部分 32受力， 向下按压， 接触面 33对顶杆 4产 生向下作用力， 顶杆 4受力后， 同时弹簧 5产生形变， 推动顶杆 4下 端沿轴向产生位移， 压缩电磁先导阀 2内的连接杆， 从而实现手动点 动控制电磁先导阀 2的开启过液； 当将手柄部分 32向锁止面 34方向旋转，过程中会将顶杆 4向下 压， 顶杆 4受力后， 同时弹簧 5产生形变， 推动顶杆 4下端沿轴向产 生位移， 压缩电磁先导阀 2内的连接杆， 从而实现电磁先导阀 2的开 启过液； 手柄部分 32向锁止面 34方向旋转到锁止面 34与顶杆 4杆 帽的上表面接触时， 处于锁止状态； 反之，当手柄部分 32不受向下作用力或旋转至接触面 33与顶杆 4接触时， 顶杆 4由于其弹簧 5构件的反弹作用， 使得顶杆 4同样处 于自由状态， 不对电磁先导阀 2产生压力， 此时电磁先导阀 2处于关 闭限流状态， 上述过程实现了电磁先导阀 2的手动控制分断的能力。 以上对本发明创造的一个实施例进行了详细说明，但所述内容仅 为本发明创造的较佳实施例，不能被认为用于限定本发明创造的实施 范围。凡依本发明创造申请范围所作的均等变化与改进等， 均应仍归 属于本发明创造的专利涵盖范围之内。
11. Connecting portion 31, cam portion 32, handle portion 33, contact surface 34, locking surface. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a specific embodiment of the present invention will be described in detail with reference to the accompanying drawings, as shown in FIGS. 1 to 6. The mine self-integrated electromagnetic pilot valve comprises a base housing 1 and two sets of pressing rod mechanisms; the bottom of the base housing 1 is used for connecting the electromagnetic pilot valve 2, as shown in Fig. 2, the small screw and the electromagnetic pilot The valve 2 is connected; each set of the pressing mechanism includes a pressing rod 3, a jack 4 and a spring 5, and the base housing 1 is provided with a through hole at a position corresponding to a top end of the connecting rod in the electromagnetic pilot valve 2. The ejector rod 4 is inserted into the through hole, the upper end of the ejector rod 4 is provided with a rod cap, and the rod cap portion is peripheral bearing, the ram 4 is in contact with the through hole through the bearing, and the inner edge of the bottom portion of the through hole is provided with a catching portion, the spring 5 is disposed between the lever cap and the catching portion, and when the lever cap is stressed, the jacking rod 4 can be moved downward by the compression spring 5; the pressing rod 3 includes a cam portion 31 and a handle portion 32, and the cam portion 31 Contact with the ejector pin 4, the central position of the cam portion and the base housing 1 movable connection; as shown in FIG. 3, in the embodiment, a connecting portion 11 is provided on the upper surface of the base housing 1, and the pressing rod 3 and the connecting portion 11 are connected by the pin 6, and the cam portion 31 is connected. The cam portion 31 includes an adjacent contact surface 33 and a locking surface 34. The distance from the center of rotation of the contact surface 33 to the cam portion 31 is smaller than the rotation of the locking surface 34 from the cam portion 31. The distance between the center and the distance is determined according to the height of the ejector 4; as shown in Fig. 1, when the handle portion 32 is unstressed, the contact surface 33 is in contact with the upper surface of the ejector pin 4; It is shown that when the handle portion 32 is pressed and pressed downward clockwise, the contact surface 33 exerts a downward force on the ram 4 to realize manual control breaking of the electromagnetic pilot valve; as shown in FIG. 4, when the handle portion 32 is stressed When rotating in the direction of the locking surface 34 (i.e., counterclockwise rotation), the ram 4 is pressed downward, and the rear locking surface 34 comes into contact with the upper surface of the ejector pin 4 and is in a locked state. The contact surface 33 and the locking surface 34 of the cam portion 31 are all flat, and are disposed at an obtuse angle. The specific angle of the obtuse angle is determined according to the force and the depression height of the ram 4; Alternatively, the contact surface 33 and the locking surface 34 of the cam portion 31 are both planar, and the contact surface 33 and the locking surface 34 are arcuately joined when the handle portion 32 is forced to rotate toward the locking surface. The curved surface and the upper surface of the ejector pin 4 are smoothly transitioned until the locking surface 34 contacts the upper surface of the ejector pin 4 and is locked; the two pressing bars 3 of the two sets of the pressing mechanism are aligned in the same direction Easy to set up, the end of the handle part is round and easy to press. The working process of this embodiment is as follows: as shown in FIG. 6, the mechanism is used in conjunction with the electromagnetic pilot valve 2; when the handle portion 32 is pressed and pressed downward, the contact surface 33 exerts a downward force on the jack 4, top After the rod 4 is stressed, the spring 5 is deformed, and the lower end of the ejector rod 4 is displaced in the axial direction to compress the connecting rod in the electromagnetic pilot valve 2, thereby realizing the manual jog control of the opening and closing of the electromagnetic pilot valve 2; The handle portion 32 rotates in the direction of the locking surface 34, and the ejector rod 4 is pressed downward during the process. After the ejector rod 4 is stressed, the spring 5 is deformed, and the lower end of the ejector rod 4 is displaced in the axial direction to compress the electromagnetic pilot valve. a connecting rod in 2, thereby realizing the opening and closing of the electromagnetic pilot valve 2; when the handle portion 32 is rotated in the direction of the locking surface 34 until the locking surface 34 is in contact with the upper surface of the cap of the jack 4, it is in a locked state; When the handle portion 32 is not subjected to the downward force or is rotated until the contact surface 33 comes into contact with the ram 4, the ram 10 is caused to rebound by the spring member 5, so that the ram 4 is also in a free state, and the electromagnetic pilot valve 2 is not Produce pressure, at this time The magnetic pilot valve 2 is in a closed current limiting state, and the above process achieves the ability to manually control the breaking of the electromagnetic pilot valve 2. The embodiments of the present invention have been described in detail above, but are not intended to limit the scope of the present invention. All changes and improvements made in accordance with the scope of application for the invention shall remain within the scope of the patents created by the invention.
Claims
1、 一种矿用手自一体式电磁先导阀， 其特征在于： 包括底座壳 体和两组压杆机构， 1. An automatic electromagnetic pilot valve for mining, which is characterized by: including a base shell and two sets of pressure rod mechanisms.
所述底座壳体的底部用来连接电磁先导阀； The bottom of the base housing is used to connect the electromagnetic pilot valve;
每组所述压杆机构包括一压杆、 一顶杆和一弹簧， Each set of the pressure rod mechanism includes a pressure rod, a push rod and a spring,
所述底座壳体上相对于电磁先导阀内的连接杆顶端位置设有通 孔， 顶杆插入通孔， 所述顶杆上端设有杆帽， 通孔底部内缘设有卡住 部， 所述弹簧设置在杆帽和卡住部之间， 当杆帽受力时， 顶杆可压缩 弹簧下移； The base shell is provided with a through hole relative to the top position of the connecting rod in the solenoid pilot valve. The ejector rod is inserted into the through hole. The upper end of the ejector rod is provided with a rod cap. The inner edge of the bottom of the through hole is provided with a blocking portion. The spring is arranged between the rod cap and the blocking part. When the rod cap is stressed, the push rod can compress the spring and move downward;
所述压杆包括一个凸轮部分和一个手柄部分，所述凸轮部分与顶 杆杆帽接触， 凸轮部分的中央位置与底座壳体活动连接， 可实现压杆 顺时针或逆时针旋转， 旋转时均能使顶杆受力下移； 所述凸轮部分包括相邻的接触面和锁止面，所述接触面距凸轮部 分的转动中心距离小于锁止面距凸轮部分的转动中心距离，当凸轮部 分向锁止面方向旋转至锁止面与顶杆杆帽的上表面接触时，处于锁止 状态。 The pressure rod includes a cam part and a handle part. The cam part is in contact with the ejector rod cap. The central position of the cam part is movably connected to the base shell, which can realize the clockwise or counterclockwise rotation of the pressure rod, and the rotation is uniform. It can make the push rod move downward under force; the cam part includes adjacent contact surfaces and locking surfaces, and the distance between the contact surface and the rotation center of the cam part is less than the distance between the locking surface and the rotation center of the cam part. When the cam part Rotate in the direction of the locking surface until the locking surface contacts the upper surface of the ejector cap, and it is in the locked state.
2、 根据权利要求 1所述的矿用手自一体式电磁先导阀， 其特征 在于： 所述凸轮部分的接触面和锁止面均为平面， 呈钝角设置。 2. The mine-operated self-integrated electromagnetic pilot valve according to claim 1, characterized in that: the contact surface and the locking surface of the cam part are both flat surfaces and are arranged at an obtuse angle.
3、 根据权利要求 1所述的矿用手自一体式电磁先导阀， 其特征 在于： 所述凸轮部分的接触面和锁止面均为平面， 接触面和锁止面相 接处为弧面。
3. The mine-operated self-integrated electromagnetic pilot valve according to claim 1, characterized in that: the contact surface and the locking surface of the cam part are both flat surfaces, and the junction between the contact surface and the locking surface is an arc surface. .
4、 根据权利要求 2或 3所述的矿用手自一体式电磁先导阀， 其 特征在于： 所述底座壳体上表面设有连接部， 压杆与连接部通过销轴 连接。 4. The mine-operated self-integrated electromagnetic pilot valve according to claim 2 or 3, characterized in that: the upper surface of the base housing is provided with a connecting portion, and the pressure rod and the connecting portion are connected through a pin.
5、 根据权利要求 4所述的矿用手自一体式电磁先导阀， 其特征 在于： 两组所述压杆机构的两个压杆方向一致， 手柄部分的端部呈圆 形。
5. The self-integrated electromagnetic pilot valve for mining according to claim 4, characterized in that: the two pressure rods of the two groups of pressure rod mechanisms have the same direction, and the end of the handle part is round.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420191388.3U CN203880194U (en) | 2014-04-18 | 2014-04-18 | Manual operation and automatic operation integrated type electromagnetic pilot operated valve for mining |
| CN2014201913883 | 2014-04-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2015158014A1 true WO2015158014A1 (en) | 2015-10-22 |
Family
ID=51680689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/CN2014/076436 WO2015158014A1 (en) | 2014-04-18 | 2014-04-29 | Mining manual and automatic integrated electromagnetic pilot valve |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN203880194U (en) |
| WO (1) | WO2015158014A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20190119718A (en) * | 2018-04-13 | 2019-10-23 | 오영권 | Wrist watch on which bezel is mounted and separated using lug |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3109529B1 (en) * | 2015-06-26 | 2018-01-17 | HAWE Hydraulik SE | Manual emergency actuation for a hydraulic valve |
| CN106090397B (en) * | 2016-08-29 | 2018-05-22 | 天津华宁电子有限公司 | A kind of mining electromagnetic priority valve man-operated mechanism |
| CN112125173A (en) * | 2020-09-02 | 2020-12-25 | 中联重科股份有限公司 | Locking device and engineering machinery |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5251660A (en) * | 1988-03-31 | 1993-10-12 | Kabushiki Kaisha Komatsu Seisakusho | Hydraulic pilot valve unit |
| CN201322014Y (en) * | 2008-12-11 | 2009-10-07 | 中国航天科技集团公司烽火机械厂 | Manual pilot valve |
| CN201581907U (en) * | 2009-12-18 | 2010-09-15 | 中国航天科技集团公司烽火机械厂 | Manual pilot valve with self-locking function |
| CN201606330U (en) * | 2010-02-09 | 2010-10-13 | 中国航天科技集团公司烽火机械厂 | Manual pilot valve for thin seam |
| CN201606090U (en) * | 2010-02-09 | 2010-10-13 | 中国航天科技集团公司烽火机械厂 | Self-locking manual pilot valve |
-
2014
- 2014-04-18 CN CN201420191388.3U patent/CN203880194U/en not_active Expired - Lifetime
- 2014-04-29 WO PCT/CN2014/076436 patent/WO2015158014A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5251660A (en) * | 1988-03-31 | 1993-10-12 | Kabushiki Kaisha Komatsu Seisakusho | Hydraulic pilot valve unit |
| CN201322014Y (en) * | 2008-12-11 | 2009-10-07 | 中国航天科技集团公司烽火机械厂 | Manual pilot valve |
| CN201581907U (en) * | 2009-12-18 | 2010-09-15 | 中国航天科技集团公司烽火机械厂 | Manual pilot valve with self-locking function |
| CN201606330U (en) * | 2010-02-09 | 2010-10-13 | 中国航天科技集团公司烽火机械厂 | Manual pilot valve for thin seam |
| CN201606090U (en) * | 2010-02-09 | 2010-10-13 | 中国航天科技集团公司烽火机械厂 | Self-locking manual pilot valve |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20190119718A (en) * | 2018-04-13 | 2019-10-23 | 오영권 | Wrist watch on which bezel is mounted and separated using lug |
| KR102070054B1 (en) | 2018-04-13 | 2020-01-28 | 오영권 | Wrist watch on which bezel is mounted and separated using lug |
Also Published As
| Publication number | Publication date |
|---|---|
| CN203880194U (en) | 2014-10-15 |
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