WO2012031543A1 - 潜水电泵的电缆干式出线装置 - Google Patents

潜水电泵的电缆干式出线装置 Download PDF

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Publication number
WO2012031543A1
WO2012031543A1 PCT/CN2011/079331 CN2011079331W WO2012031543A1 WO 2012031543 A1 WO2012031543 A1 WO 2012031543A1 CN 2011079331 W CN2011079331 W CN 2011079331W WO 2012031543 A1 WO2012031543 A1 WO 2012031543A1
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WO
WIPO (PCT)
Prior art keywords
cable
outlet
sealing
box
dry
Prior art date
Application number
PCT/CN2011/079331
Other languages
English (en)
French (fr)
Inventor
应建国
翟松茂
李全民
Original Assignee
宁波巨神制泵实业有限公司
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Filing date
Publication date
Application filed by 宁波巨神制泵实业有限公司 filed Critical 宁波巨神制泵实业有限公司
Publication of WO2012031543A1 publication Critical patent/WO2012031543A1/zh
Priority to US13/786,648 priority Critical patent/US9816508B2/en

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D13/00—Pumping installations or systems
    • F04D13/02—Units comprising pumps and their driving means
    • F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
    • F04D13/08—Units comprising pumps and their driving means the pump being electrically driven for submerged use
    • F04D13/086—Units comprising pumps and their driving means the pump being electrically driven for submerged use the pump and drive motor are both submerged
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G15/00—Cable fittings
    • H02G15/08—Cable junctions
    • H02G15/10—Cable junctions protected by boxes, e.g. by distribution, connection or junction boxes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D13/00—Pumping installations or systems
    • F04D13/02—Units comprising pumps and their driving means
    • F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
    • F04D13/0693—Details or arrangements of the wiring
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G15/00—Cable fittings
    • H02G15/013—Sealing means for cable inlets
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
    • H02G3/22—Installations of cables or lines through walls, floors or ceilings, e.g. into buildings
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G15/00—Cable fittings
    • H02G15/007—Devices for relieving mechanical stress
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
    • H02G3/02—Details
    • H02G3/06—Joints for connecting lengths of protective tubing or channels, to each other or to casings, e.g. to distribution boxes; Ensuring electrical continuity in the joint
    • H02G3/0616—Joints for connecting tubing to casing
    • H02G3/0625—Joints for connecting tubing to casing with means for preventing disengagement of conductors
    • H02G3/0683—Joints for connecting tubing to casing with means for preventing disengagement of conductors with bolts operating in a direction transverse to the conductors

Definitions

  • the utility model relates to the technical field of hydraulic machinery, in particular to a cable dry type outlet device for a submersible electric pump. Background technique
  • the prior art outlet device comprises a outlet box, a cable protection tube and an anti-lifting plate.
  • the outlet box is fixedly connected to the top of the submersible pump, and the top of the water well is provided with a well cover.
  • One end of the cable protection tube is connected at the top of the outlet box, and the other end is extended.
  • the manhole cover is restrained by the anti-lifting plate.
  • the function of the cable protection tube is to protect the cable from being flushed by the water pumped by the pump.
  • the pump house that is, it is open-air, so it is raining.
  • the rainwater is easily entered into the cable protection tube from the port at the upper end of the cable protection tube, the cable inside the cable protection tube is easily placed in a humid environment, which brings great safety hazard to the operation of the submersible electric pump;
  • the technical problem to be solved by the utility model is to provide a cable dry type outlet device for a submersible electric pump which has good sealing performance and can ensure the safe operation of the submersible electric pump.
  • the utility model provides a cable dry outlet device for a submersible electric pump, comprising an outlet box, a cable protection tube and a cable located in the wellbore, wherein the outlet box is connected at the top of the submersible pump, Cable protection One end of the tube is connected to the top of the outlet box, and the other end is outside the well cover of the wellbore.
  • the cable is located in the cable sheath and is connected to the submersible pump through the outlet box.
  • the cable outlet device further includes an outlet sealing device. The outlet sealing device is connected to the well cover, and one end of the cable protection tube extending outside the well cover is located in the outlet sealing device.
  • the outlet sealing device comprises a sealing box and a outlet hole sealing assembly, the sealing box is connected to the well cover, and the connecting portion is provided with a sealing ring; the cable passes through the connection of the sealing box and is sealed by the outlet hole sealing assembly .
  • the outlet hole sealing assembly comprises a cable sealing ring, a rubber sleeve and a bell mouth having an axial through groove, wherein the cable sealing ring is embedded in a cable outlet hole of the sealing box, and the rubber sleeve is sleeved outside the cable.
  • the bell mouth is sleeved outside the rubber sleeve and fastened with a hoop and a screw, and one end of the bell mouth is abutted against the cable sealing ring.
  • the outlet sealing device is further provided with a sealing gasket and a sealing pressure plate, and the sealing gasket is matched with the cable protection tube and fixed on the well cover through the sealing pressure plate.
  • the sealing platen is connected with an anti-lifting block by bolts.
  • the cable sheath is sleeved with a wear-resistant sheath at a port at one end of the outlet sealing device.
  • the cable sheath is a Harvard structure and is connected by screws.
  • the bottom side wall of the outlet box is provided with a water discharge hole, and the water discharge hole is screwed with a plug.
  • the outlet box is provided with a water leakage alarm, and the water leakage alarm is installed on the submersible electric pump.
  • the outlet hole sealing assembly is arranged at the place where the cable passes through the outlet sealing device, which further ensures the sealing performance of the outlet sealing device;
  • the submersible pump Since the submersible pump will drive the water in the well upwards during operation, it may rush into the cable protection tube and fall into the cable protection tube. Therefore, the sealing tube is tightly fitted at the end of the cable protection tube and sealed. The pressure plate is pressed tightly, so that the water in the well will not be rushed into the cable protection tube, and the safe operation of the submersible electric pump is further ensured;
  • an anti-lifting block is arranged above the sealing platen to avoid the phenomenon that the submersible pump is lifted upwards;
  • a drain hole and a plug are provided on the bottom side wall of the outlet box, so that even if water leaks into the outlet box and accumulates, people can open the plug when the submersible pump is stopped, and the outlet will be discharged. The water in the box is discharged in time. Reduce the impact on the performance of the submersible pump;
  • a water leakage alarm is installed in the outlet box, so that once water enters the cable protection tube and reaches the outlet box, the submersible pump control cabinet in the control room will have an audible and visual alarm, and the management personnel can control the room. Timely discovery that water has entered the cable sheath, and then proceed to the next step:
  • a ring of anti-wear sheath is placed at the port of the cable grommet to make the cable softer to the steel cable grommet, which reduces the friction between the cable and the cable grommet and prolongs the service life of the cable.
  • FIG. 1 is a schematic structural view of a cable outlet device of a prior art submersible electric pump
  • FIG. 2 is a schematic structural view of a cable dry type warp device of the submersible electric pump of the present invention
  • Figure 3 is a partially enlarged schematic view showing the portion M of Figure 2;
  • Figure 4 is a cross-sectional structural view of the A-A direction of Figure 2;
  • Figure 5 is a cross-sectional structural view taken along line B-B of Figure 2;
  • the structure diagram of the cable outlet device of the prior art submersible pump shown in FIG. 1 includes a cable box 5' located in the wellbore 2', a cable sheath 3' and a cable 4', and the outlet box 5' Connected to the top of the submersible pump 7', one end of the cable grommet 3' is connected to the top of the outlet box 5', and the other end is extended from the well cover of the wellbore 2', and the cable 4' is located at the cable sheath 3 ' Inside and through the outlet box 5 ' is connected to the submersible pump 7'.
  • the cable outlet device of this structure exposes the end of the cable sheath to the outside, and rainwater easily falls from the top end of the cable sheath to the inside, thereby posing a safety hazard.
  • the structure of the cable dry type outlet device of the submersible electric pump of the present invention can be seen, including the outlet box 5, the cable sheath 3 and the cable 4 located in the wellbore 2, and the outlet box 5 Connected to the top of the submersible pump 7, one end of the cable sheath 3 is connected to the top of the outlet box 5, and the other end is extended to the well cover 1 of the wellbore 1, and the cable 4 is located inside the cable sheath 3 and is worn.
  • the outlet box 5 is connected to the submersible pump 7.
  • the cable outlet device further includes an outlet sealing device, the outlet sealing device is connected to the manhole cover 1, and the cable extending outside the manhole cover 1
  • the 3 end of the protective tube is located in the outlet sealing device.
  • the outlet sealing device comprises a sealing box 11 and a outlet hole sealing assembly 12, and the sealing box 11 is connected to the manhole cover 1, and the sealing portion 10 is provided at the joint.
  • the cable 4 is sealed through the outlet hole sealing assembly 12 through the junction of the sealed casing 11.
  • the seal ring 10 is a commercially available 0-type seal ring.
  • the outlet hole sealing assembly 12 includes a cable sealing ring 121, a rubber sleeve 122 and a bell mouth 123 having an axial through groove, and the cable sealing ring 121 is embedded in the cable outlet hole 13 of the sealing box 11.
  • the rubber sleeve 122 is sleeved on the cable 4, and the bell mouth 123 is sleeved outside the rubber sleeve 122 and fastened with a hoop and a screw, and one end of the bell mouth 123 is abutted against the cable seal 121.
  • one end of the bell mouth 123 is screwed to the end face of the seal case 11, and the end face of the bell mouth 123 presses the cable seal ring 121 in the cable outlet hole 13.
  • the outlet sealing device is further provided with a sealing gasket 17 and a sealing pressure plate 16, and the sealing gasket 17 is tightly fitted with the cable sheathing tube 3, and is fixed to the manhole cover 1 through the sealing pressure plate 18.
  • the anti-lifting block 14 is connected to the sealing platen 18 by bolts 15.
  • the cable sheath 3 is sleeved with a wear-resistant sheath 18 at a port at one end of the outlet sealing device.
  • the cable sheath 3 is a Harvard structure and is connected by screws.
  • the bottom side wall of the outlet box 5 is provided with a water discharge hole 8, and the water discharge hole 8 is screwed with a plug 9.
  • the outlet box 5 is provided with a water leakage alarm 6, and the water leakage alarm 6 is installed on the submersible pump 7.
  • the water leakage alarm 6 is generally a commonly used water leakage alarm that is sold on the market.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Description

潜水电泵的电缆干式出线装置
技术领域
本实用新型涉及水力机械技术领域， 具体讲是一种潜水电泵的电缆干式出线装置。 背景技术
目前， 潜水电泵越来越得到广泛地应用， 它是泵体叶轮和驱动叶轮的电机都潜入水 中工作的一种水泵。 由于潜水电泵是在水井中的水下工作的， 而潜水电泵是通过电缆与 控制室中的控制柜连接的， 因此， 通常在电缆的外面设有出线装置， 以保护电缆不被潜 水电泵工作时抽送的水流冲刷。现有技术的出线装置包括出线盒、电缆护管和防抬压板， 出线盒固定连接在潜水电泵顶部， 水井的顶部设有井盖， 电缆护管一端连接在出线盒的 顶部， 另一端伸出井盖， 并通过防抬压板限位。
但是， 这种现有技术的潜水电泵的电缆出线装置存在以下的缺点：
1 ) 电缆护管的作用是为了保护电缆不被水泵抽送的流水冲刷， 但是在实际情况中， 有很多潜水电泵的泵站是不需要泵房的， 也就是说是露天的， 这样在下雨的时候， 雨水 很容易从电缆护管的上端的端口处进入电缆护管内， 这样， 电缆护管内的电缆很容易处 于潮湿的环境中， 给潜水电泵的运行带来很大的安全隐患；
2) 电缆护管的下端也没有放水孔， 漏进电缆护管内的雨水排不出去， 从而导致电 缆长期浸泡在水中， 也给潜水电泵的运行带来很大的安全隐患；
3 ) 同时， 电缆护管内并没有设置漏水报警装置， 这样电缆护管内是否进水就很难 发现， 从而使地面上的操作人员很难发现并及时排除安全隐患；
4) 另外， 有的潜水电泵的井筒很深， 甚至有的将近 30米， 这样潜水电泵的电缆和 电缆护管也需要很长， 由于电缆护管一般是用钢制圆管制成的， 虽然可以把它横向分成 几段， 但也要把一段段的电缆护管穿过电缆后再与潜水电泵连接， 这样给潜水电泵的安 装、 维修和拆卸带来很大的不方便。
实用新型内容
本实用新型所要解决的技术问题是， 提供一种密封性能好， 从而能保证潜水电泵安 全运行的潜水电泵的电缆干式出线装置。
为解决上述技术问题， 本实用新型提供的潜水电泵的电缆干式出线装置， 包括位于 井筒内的出线盒、 电缆护管和电缆， 所述的出线盒连接在潜水电泵顶部， 所述的电缆护 管的一端连接在出线盒的顶部， 另一端伸出井筒的井盖外， 所述的电缆位于电缆护管内 并穿过出线盒与潜水电泵连接， 该电缆出线装置还包括出线密封装置， 所述的出线密封 装置连接在井盖上， 所述的伸出井盖外的电缆护管一端位于出线密封装置内。
所述的出线密封装置包括密封盒和出线孔密封组件， 所述的密封盒连接在井盖上， 该连接处设有密封圈； 所述的电缆穿过密封盒的连接处通过出线孔密封组件密封。
所述的出线孔密封组件包括电缆密封圈、 橡胶套和具有轴向通槽的喇叭嘴， 所述的 电缆密封圈嵌在密封盒上的电缆出线孔内， 所述的橡胶套套在电缆外， 所述的喇叭嘴套 在橡胶套外并用抱箍和螺钉固紧， 并且喇叭嘴的一端与电缆密封圈抵紧。
所述的出线密封装置内还设有密封垫圈和密封压板， 所述的密封垫圈与电缆护管紧 配， 并通过密封压板固定在井盖上。
所述的密封压板上通过螺栓连接有防抬压块。
所述的电缆护管位于出线密封装置内的一端的端口处套接有防磨护套。
所述的电缆护管为哈弗式结构， 并通过螺钉连接。
所述的出线盒的底部侧壁上设有放水孔， 所述的放水孔处螺纹连接有堵头。
所述的出线盒内设有漏水报警器， 所述的漏水报警器安装在潜水电泵上面。
采用以上结构后， 本实用新型与现有技术相比， 具有以下的优点：
1 ) 由于在井盖上安装了出线密封装置， 使电缆护管顶端的端口不再露在外面， 从 而保证雨水不会进入到电缆护管内， 使电缆始终处在干式环境中， 既避免了潜水电泵抽 送的流水对电缆的冲刷， 又避免了雨水对电缆的浸泡， 继而保证了潜水电泵的正常、 可 靠、 安全地运行；
2) 电缆穿出出线密封装置的地方设置了出线孔密封组件， 更加保证了出线密封装 置的密封性；
3 ) 由于潜水电泵在工作状态时会带动井内的水往上冲， 有可能冲进电缆护管上方 再落入电缆护管内， 因此在电缆护管端部紧配合有密封垫圈， 并通过密封压板压紧， 这 样， 井内的水就不会冲入到电缆护管内， 更加保证潜水电泵的安全运行；
4) 同时， 由于潜水电泵在停时的瞬间， 叶轮会有一个反转的惯性力， 这样会带动 井内的水有一个回灌的冲击力，这样有可能会将整个潜水电泵及相应的连接件向上抬的 作用力， 为了防止这种现象的产生， 在密封压板的上方设置了防抬压块， 从而避免出现 潜水电泵向上抬的现象；
5) 还有， 在出线盒的底部侧壁上设置了放水孔及堵头， 这样， 即使水漏进了出线 盒内并积存下来， 人们也可以在潜水电泵停机时打开堵头， 将出线盒内的水及时排出， 减小对潜水电泵的使用性能的影响；
6) 另外， 在出线盒内安装了漏水报警器， 这样， 一旦有水进入电缆护管直至出线 盒内， 控制室内的潜水电泵控制柜就会有声光报警， 管理人员在控制室内就可以及时发 现有水进入了电缆护管， 继而可以进行下一步地操作：
7) 将电缆护管设计成哈弗式结构， 省去了麻烦地将一段段的电缆护管穿过电缆的 工序， 使安装和拆卸更加方便， 大大提高了工作效率；
8) 在电缆护管的端口处套接了一圈防磨护套， 使电缆与钢制的电缆护管的接触更 加柔和， 减小了电缆与电缆护管的摩擦， 延长电缆的使用寿命。
附图说明
图 1是现有技术潜水电泵的电缆出线装置的结构示意图；
图 2是本实用新型潜水电泵的电缆干式出经装置的结构示意图；
图 3是图 2中 M部分的局部放大结构示意图；
图 4是图 2中 A-A方向的剖视结构示意图；
图 5是图 2中 B-B方向的剖视结构示意图。
其中， 1、 井盖； 2、 井筒； 3、 电缆护管； 4、 电缆； 5、 出线盒； 6、 漏水报警器； 7、 潜水电泵； 8、 放水孔； 9、 堵头； 10、 密封圈； 11、 密封盒； 12、 出线孔密封组件； 121、 电缆密封圈； 122、 橡胶套； 123、 喇叭嘴； 13、 电缆出线孔； 14、 防抬压块； 15、 螺栓； 16、 密封压板； 17、 密封垫圈； 18、 防磨护套。
具体实施方式
下面结合附图和具体实施方式对本实用新型作进一步详细地说明。
由图 1所示的现有技术潜水电泵的电缆出线装置的结构示意图可知，包括位于井筒 2' 内的出线盒 5 '、 电缆护管 3 '和电缆 4'， 所述的出线盒 5 ' 连接在潜水电泵 7'顶部， 所述的电缆护管 3 ' 的一端连接在出线盒 5 ' 的顶部， 另一端伸出井筒 2' 的井盖 夕卜， 所述的电缆 4' 位于电缆护管 3 ' 内并穿过出线盒 5 ' 与潜水电泵 7' 连接。 这种结构的 电缆出线装置就把电缆护管的端部裸露在外面， 雨水很容易就从电缆护管顶端落入内 部， 从而造成安全隐患。
由图 2〜图 5所示的本实用新型潜水电泵的电缆干式出线装置的结构示意图可知， 包括位于井筒 2内的出线盒 5、 电缆护管 3和电缆 4，所述的出线盒 5连接在潜水电泵 7 顶部，所述的电缆护管 3的一端连接在出线盒 5的顶部，另一端伸出井筒 1的井盖 1夕卜， 所述的电缆 4位于电缆护管 3内并穿过出线盒 5与潜水电泵 7连接。该电缆出线装置还 包括出线密封装置， 所述的出线密封装置连接在井盖 1上， 所述的伸出井盖 1外的电缆 护管 3—端位于出线密封装置内。
所述的出线密封装置包括密封盒 11和出线孔密封组件 12，所述的密封盒 11连接在 井盖 1上， 该连接处设有密封圈 10。 所述的电缆 4穿过密封盒 11的连接处通过出线孔 密封组件 12密封。 本实施例中， 所述的密封圈 10就是市售的 0型密封圈。
所述的出线孔密封组件 12包括电缆密封圈 121、橡胶套 122和具有轴向通槽的喇叭 嘴 123，所述的电缆密封圈 121嵌在密封盒 1 1上的电缆出线孔 13内，所述的橡胶套 122 套在电缆 4夕卜， 所述的喇叭嘴 123套在橡胶套 122外并用抱箍和螺钉固紧， 并且喇叭嘴 123的一端与电缆密封圈 121抵紧。 换句话说， 喇叭嘴 123的一端用螺钉固紧在密封盒 11端面上， 喇叭嘴 123的端面就把电缆密封圈 121压紧在电缆出线孔 13内。
所述的出线密封装置内还设有密封垫圈 17和密封压板 16，所述的密封垫圈 17与电 缆护管 3紧配， 并通过密封压板 18固定在井盖 1上。
所述的密封压板 18上通过螺栓 15连接有防抬压块 14。
所述的电缆护管 3位于出线密封装置内的一端的端口处套接有防磨护套 18。
所述的电缆护管 3为哈弗式结构， 并通过螺钉连接。
所述的出线盒 5的底部侧壁上设有放水孔 8， 所述的放水孔 8处螺纹连接有堵头 9。 所述的出线盒 5内设有漏水报警器 6，所述的漏水报警器 6安装在潜水电泵 7上面。 所述的漏水报警器 6—般为市场上均有销售的常用的漏水报警器。

Claims

权 利 要 求 书
1、 一种潜水电泵的电缆干式出线装置， 包括位于井筒 （2) 内的出线盒（5)、 电缆 护管 （3) 和电缆 （4)， 所述的出线盒 （5) 连接在潜水电泵 （7) 顶部， 所述的电缆护 管 （3) 的一端连接在出线盒 （5) 的顶部， 另一端伸出井筒 （2) 的井盖 （1) 外， 所述 的电缆 （4) 位于电缆护管 （3) 内并穿过出线盒 （5) 与潜水电泵 （7) 连接， 其特征在 于： 该电缆出线装置还包括出线密封装置， 所述的出线密封装置连接在井盖 （1) 上， 所述的仲出井盖 （1) 外的电缆护管 （3) —端位于出线密封装置内。
2、 根据权利要求 1 所述的潜水电泵的电缆干式出线装置， 其特征在于： 所述的出 线密封装置包括密封盒 （11) 和出线孔密封组件 （12)， 所述的密封盒 （11) 连接在井 盖 （1) 上， 该连接处设有密封圈 （10); 所述的电缆 （4) 穿过密封盒 （11) 的连接处 通过出线孔密封组件 （12) 密封。
3、 根据权利要求 2所述的潜水电泵的电缆干式出线装置， 其特征在于： 所述的出 线孔密封组件 （12) 包括电缆密封圈 （121)、 橡胶套 （122) 和具有轴向通槽的喇叭嘴
(123), 所述的电缆密封圈 （121) 嵌在密封盒 （11) 上的电缆出线孔 （13) 内， 所述 的橡胶套 （122) 套在电缆 （4) 夕卜， 所述的喇叭嘴 （123) 套在橡胶套 （122)外并用抱 箍和螺钉固紧， 并且喇叭嘴 （123) 的一端与电缆密封圈 （121) 抵紧。
4、 根据权利要求 1 所述的潜水电泵的电缆干式出线装置， 其特征在于： 所述的出 线密封装置内还设有密封垫圈 （17) 和密封压板 （16)， 所述的密封垫圈 （17) 与电缆 护管 （3) 紧配， 并通过密封压板 （18) 固定在井盖 （1) 上。
5、 根据权利要求 4所述的潜水电泵的电缆干式出线装置， 其特征在于： 所述的密 封压板 （18) 上通过螺栓 （15) 连接有防抬压块 （14)。
6、 根据权利要求 1 所述的潜水电泵的电缆干式出线装置， 其特征在于： 所述的电 缆护管 （3) 位于出线密封装置内的一端的端口处套接有防磨护套 （18)。
7、 根据权利要求 1 所述的潜水电泵的电缆干式出线装置， 其特征在于： 所述的电 缆护管 （3) 为哈弗式结构， 并通过螺钉连接。
8、 根据权利要求 1 所述的潜水电泵的电缆干式出线装置， 其特征在于： 所述的出 线盒 （5) 的底部侧壁上设有放水孔 （8)， 所述的放水孔 （8) 处螺纹连接有堵头 （9)。
9、 根据权利要求 1 所述的潜水电泵的电缆干式出线装置， 其特征在于： 所述的出 线盒 （5) 内设有漏水报警器 （6)， 所述的漏水报警器 （6) 安装在潜水电泵 （7) 上面。
PCT/CN2011/079331 2010-09-07 2011-09-05 潜水电泵的电缆干式出线装置 WO2012031543A1 (zh)

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