Movable actuator facilitating operation of manual valve of underground pipe network

Abstract

The utility model discloses a movable actuator facilitating operation of a manual valve of an underground pipe network. The movable actuator comprises a mounting frame. A supporting plate is fixedly arranged on the bottom end face of the mounting frame, and an adjusting groove is formed in the middle of the supporting plate; the two sets of supporting legs are symmetrically distributed on the two sides of the mounting frame, self-locking wheels are installed on the inner sides of the bottoms of the supporting legs, walking is achieved through the self-locking wheels, and the mounting frame and the supporting legs can be disassembled and assembled through bolts; the execution assembly is movably connected to the supporting plate in a lap joint mode, the execution assembly is composed of a bearing piece and an execution piece, and the bearing piece comprises a middle plate placed on the supporting plate; the core of the utility model lies in that the external movable actuator is designed, the traditional mode that an operator needs to go deep into the valve well to open and close the valve in the past is changed, and the movable actuator is positioned outside the valve well and realizes remote opening and closing operation of the valve on the heating pipeline through the actuating assembly.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of heating pipeline valve opening and closing, and particularly relates to a mobile actuator facilitating manual valve operation of underground pipe network. BACKGROUND

[0002] In cold regions, the heating system, as an important part of urban infrastructure, undertakes the key task of ensuring residents' warmth in winter. In order to achieve efficient and stable heating, heating pipelines are usually laid in deep underground to fully utilize the heat preservation performance of the stratum and reduce heat loss. According to the needs of the heating area, multiple valve devices are installed on these pipelines for precise control of the operation state of the heating system. The valve shaft, as a channel connecting the ground and the underground heating pipeline, needs to strictly follow relevant specifications in design and construction. The depth of the shaft is usually determined according to the specific location and depth of the underground pipeline, generally about 2 meters, to ensure that workers can smoothly enter and operate the valve. However, due to the deepening of the shaft into the underground, the internal environment is relatively complex, and in actual operation, the following problems exist:

[0003] Safety hazards: harmful gases such as hydrogen sulfide and carbon monoxide may accumulate in the shaft, which are harmful to the human body and can even be fatal. In addition, there may be water and silt in the shaft, increasing the risk of slipping and drowning for the operator;

[0004] Operation difficulty: the depth of the shaft is large, and the internal space is limited, so the operator needs to carry tools and equipment into the shaft, which undoubtedly increases the difficulty of operation. INVENTION CONTENTS

[0005] The utility model aims at providing a mobile actuator facilitating manual valve operation of underground pipe network to solve the problem of safety hazards in the current valve operation in the valve shaft as mentioned in the background technology.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: A mobile type actuator convenient for manual valve operation of underground pipe network, including installation frame, the bottom end surface of installation frame is fixed with support plate, the middle part of support plate is equipped with adjusting groove, the bottom inside of support plate is equipped with self -locking wheel, and the walking is realized through self -locking wheel, and installation frame and support plate can be disassembled through bolt, and the mode of assembly can be convenient for early handling, and the assembly is also very simple, execution assembly is movably connected on support plate, and the execution assembly is composed of carrier and execution piece, wherein the carrier includes middle plate placed on support plate, and the top of middle plate is provided with hand wheel which can rotate axially, the execution piece is a plurality of spliced prisms, the bottom of prism is provided with threaded bottom hole, when the valve of heating pipe in shaft is opened and closed, the prism is penetrated through hand wheel, and then the rotation of prism is driven through rotating carrier, so that the opening and closing of valve are realized, the top of prism is provided with stud, the bottom of prism is also provided with clamping head, the top of clamping head is fixed with threaded cylindrical body which is screw connected with threaded bottom hole, and the bottom of clamping head is provided with groove which is clamped and connected with the top of valve.

[0007] Preferably, the periphery of the middle plate is not in contact with the inner wall of the installation frame, ensuring that the middle plate can move in the installation frame under the support of the support plate, thereby adjusting the position of the prism according to the position of the valve in the shaft, the top of the middle plate is also fixed with a support plate, the top of the support plate is also provided with a stop plate, and the hand wheel is between the support plate and the stop plate to realize the installation of the hand wheel, and the prism penetrates the stop plate, the hand wheel, the support plate, and the middle plate.

[0008] Preferably, the top of the support plate is also fixed with a stud penetrating the stop plate, at least two nuts are sleeved on the stud, and the two nuts are respectively attached to the upper and lower end faces of the stop plate, wherein the nut and the stud are not marked in the figure, and the installation and bearing of the stop plate are realized through the nut.

[0009] Preferably, the middle part of the hand wheel is connected with a connecting sleeve through an integral rod body, holes are formed on opposite faces of the support plate and the stop plate, bearings are arranged in the holes, the bearings are composed of an outer ring, an inner ring, and balls between the outer ring and the inner ring, since they are conventional products, further description is not given here, the outer ring part of the bearing is fixed with the inner wall of the hole, and the inner part of the bearing is interference fit with the connecting sleeve, so that when the hand wheel rotates, the connecting sleeve can be synchronously rotated, at this time, the bearing can realize the connection of the support plate, the stop plate, and the hand wheel, and can also ensure that the support plate and the stop plate do not affect the normal rotation of the hand wheel.

[0010] Preferably, the inside of the connecting sleeve is provided with a prism hole for the prism to pass through, and the two are in abutting engagement in the axial direction, so that when the hand wheel drives the connecting sleeve to rotate, the prism is also driven to rotate, and the prism can be disassembled and assembled in a vertical plugging manner.

[0011] Preferably, the two ends of the support plate are provided with observation grooves, and a lighting lamp with a built-in lithium battery is installed on the bottom end face of the support plate, which can illuminate the inside of the shaft, facilitate the quick insertion of the prism, and the observation grooves can facilitate the observation of the inside of the shaft by the staff, when one end of the middle plate is attached to the inner wall of the mounting frame, the other end of the middle plate is between the adjusting groove and the observation groove, avoiding the phenomenon of unstable lap caused by the movement of the middle plate to the inside of the adjusting groove.

[0012] Preferably, the top end face of the mounting frame is provided with a limiting plate installed through bolts, which passes through the inside of the support plate and is attached to the top of the middle plate, and the limiting plate can limit the middle plate to avoid the separation of the middle plate from the mounting frame; the limiting plate and the support plate are spaced apart to ensure that the middle plate is not limited during movement.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] The core of the utility model lies in a kind of external mobile actuator, change the traditional mode that previous need operating personnel personally in-depth valve shaft inside to carry out valve opening and closing, mobile actuator is at the outside of valve shaft, and remote opening and closing operation to valve on heating pipeline is realized by execution component, this design not only greatly reduces the risk that operating personnel in-depth shaft inside, also significantly improves the convenience and efficiency of operation.More importantly, the application of external mobile actuator effectively avoids the threat to operating personnel caused by the security risks such as harmful gas and accumulated water that may exist inside the shaft, and at the same time, since it is not necessary to enter the shaft frequently, the maintenance demand of the environment inside the shaft is also reduced, and the overall operating cost is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the utility model;

[0016] Figure 2 It is a bottom view of the utility model;

[0017] Figure 3 It is a sectional view of the utility model;

[0018] Figure 4 It is a bottom view of the utility model Figure 3 It is an enlarged schematic diagram of middle A area;

[0019] Figure 5 It is the bottom view of the clamping head of the utility model.

[0020] In the drawing:

[0021] 100, mounting frame; 101, support plate; 102, observation groove; 103, adjusting groove; 104, limiting plate; 105, illuminating lamp with built-in lithium battery;

[0022] 200, supporting leg; 201, self-locking wheel;

[0023] 300, prism; 301, clamping head;

[0024] 400, middle plate; 401, support plate; 402, abutting plate; 403, hand wheel; 404, bearing; 405, connecting sleeve. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0026] Please refer to Figures 1 to 5 The utility model provides a kind of technical solutions: a mobile actuator for facilitating underground pipe network manual valve operation, comprising

[0027] Mounting frame 100; support plate 101 is fixed on the bottom end surface of mounting frame 100, and adjusting groove 103 is formed in the middle part of support plate 101;

[0028] Supporting leg 200 is provided with two groups and is symmetrically distributed on the two sides of mounting frame 100, and self-locking wheel 201 is installed on the bottom inner side of supporting leg 200, to realize walking through self-locking wheel 201, and to ensure the stability of placement, self-locking wheel 201 can be locked to realize the stability of placement area, and the structure of self-locking wheel 201 is various, which is widely used in the market, so it is not described further here, and mounting frame 100 and supporting leg 200 can be disassembled and assembled through bolts, which can facilitate the early handling through assembly, and the assembly is also very simple;

[0029] Execution assembly is movably connected to support plate 101, and the execution assembly is composed of a carrier and an execution part, wherein

[0030] The carrier includes middle plate 400 placed on support plate 101, and hand wheel 403 is arranged on the top of middle plate 400 and can rotate axially;

[0031] The execution piece is a plurality of spliced prisms 300, the bottom end of the prism 300 is provided with a threaded bottom hole, when opening and closing the valve of the heating pipeline in the shaft, the prism 300 is penetrated through the hand wheel 403, and then the prism 300 is rotated by rotating the bearing piece, so that the opening and closing of the valve is realized; the top of the prism 300 has a threaded stud which is not marked in the figure, and is connected with the threaded bottom hole of the bottom end surface of the prism 300 without the installed chuck 301; the splicing operation is realized by connecting the heads and tails of the two prisms 300, the length of the prism 300 is adjusted according to the depth of the valve shaft, so that the opening and closing of the valve in the shaft of different depths is realized, and the chuck 301 is further arranged at the bottom of the prism 300, the top of the chuck 301 is fixedly provided with a threaded cylindrical body which is threadedly connected with the threaded bottom hole, and a groove is formed at the bottom end of the chuck 301 and is connected with the top of the valve, when the prism 300 penetrates through the hand wheel 403, the chuck 301 is further rotated and installed at the bottom end of the prism 300, and in the later period, the groove at the bottom of the chuck 301 is aligned and clamped on the top of the valve, so that the rotation and opening and closing of the valve in the later period are realized.

[0032] In the embodiment, preferably, the four sides of the middle plate 400 are not in contact with the inner walls of the mounting frame 100, so that the middle plate 400 can move in the mounting frame 100 under the support of the supporting plate 101, so that the position of the prism 300 is adjusted according to the position of the valve in the shaft, the top of the middle plate 400 is further fixedly provided with a supporting plate 401, the top of the supporting plate 401 is further provided with an abutting plate 402, and the hand wheel 403 is between the supporting plate 401 and the abutting plate 402, so that the installation of the hand wheel 403 is realized; the prism 300 penetrates through the abutting plate 402, the hand wheel 403, the supporting plate 401 and the middle plate 400.

[0033] In the embodiment, preferably, the top of the supporting plate 401 is further fixedly provided with a threaded stud which penetrates through the abutting plate 402, at least two nuts are sleeved on the threaded stud, and the two nuts are respectively attached to the upper and lower end surfaces of the abutting plate 402, wherein the nut and the threaded stud are not marked in the figure, and the installation and bearing of the abutting plate 402 are realized by the nut.

[0034] In the embodiment, preferably, the middle part of the hand wheel 403 is connected with a connecting sleeve 405 through an integral rod body, holes are formed in the opposite surfaces of the supporting plate 401 and the abutting plate 402, bearings 404 are arranged in the holes, the bearing 404 is composed of an outer ring, an inner ring and balls between the outer ring and the inner ring, since it is a conventional product, further description is not given here, the outer ring part of the bearing 404 is fixedly connected with the inner wall of the hole, and the inner part of the bearing 404 is interference-fitted with the connecting sleeve 405, so that when the hand wheel 403 rotates, the connecting sleeve 405 can be synchronously rotated, at this time, the bearing 404 can realize the connection of the supporting plate 401, the abutting plate 402 and the hand wheel 403, and can also ensure that the supporting plate 401 and the abutting plate 402 do not affect the normal rotation of the hand wheel 403.

[0035] In the embodiment, preferably, the inner part of the connecting sleeve 405 is provided with a prism hole for the prism 300 to pass through, and the two are in abutting engagement in the axial direction, so that when the handle 403 drives the connecting sleeve 405 to rotate, the prism 300 is synchronously driven to rotate, and the prism 300 can be disassembled in a vertical plugging manner during disassembly of the connecting sleeve 405.

[0036] In the embodiment, preferably, the two ends of the supporting plate 101 are provided with observation grooves 102, and the bottom end face of the supporting plate 101 is further provided with an illuminating lamp 105 with a built-in lithium battery, which illuminates the inside of the shaft, facilitates the quick insertion of the prism 300, and the observation grooves 102 facilitate the observation of the inside of the shaft by the staff, when one end of the middle plate 400 is attached to the inner wall of the mounting frame 100, the other end of the middle plate 400 is between the adjusting groove 103 and the observation groove 102, avoiding the phenomenon of unstable lap joint caused by the movement of the middle plate 400 to the inside of the adjusting groove 103.

[0037] In the embodiment, preferably, the top end face of the mounting frame 100 is provided with a limiting plate 104 installed through bolts, the limiting plate 104 passes through the inner side of the supporting plate 401 and is attached to the top of the middle plate 400, the limiting plate 104 can limit the middle plate 400, avoiding the direct separation of the middle plate 400 from the mounting frame 100; the limiting plate 104 and the supporting plate 401 are spaced apart, so as to ensure that the middle plate 400 is not limited by the limiting plate 104 during movement.

[0038] Although the embodiments of the utility model have been shown and described (see the above detailed description), it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A mobile actuator for facilitating manual operation of underground pipe network valves, comprising: a mounting frame (100) having a support plate (101) fixed at the bottom end face of the mounting frame (100), wherein a middle portion of the support plate (101) is provided with an adjusting groove (103); two groups of supporting legs (200) symmetrically arranged at two sides of the mounting frame (100), wherein the bottom inner side of each supporting leg (200) is provided with a self-locking wheel (201); an execution assembly movably connected to the support plate (101), wherein the execution assembly comprises a carrier and an execution member, wherein the carrier comprises a middle plate (400) arranged on the support plate (101), wherein the top of the middle plate (400) is provided with an axially rotatable hand wheel (403); and the execution member comprises a plurality of prisms (300) connected together, wherein the bottom end of each prism (300) is provided with a threaded bottom hole, the top of each prism (300) is provided with a threaded stud, the bottom of each prism (300) is provided with a clamping head (301), the top of the clamping head (301) is fixedly provided with a threaded cylindrical body threadedly connected with the threaded bottom hole, and the bottom end of the clamping head (301) is provided with a groove for clamping connection with the top of the valve; the top of the middle plate (400) is further provided with a support plate (401), the top of the support plate (401) is further provided with an abutting plate (402), the hand wheel (403) is arranged between the support plate (401) and the abutting plate (402), and the prisms (300) penetrate through the abutting plate (402), the hand wheel (403), the support plate (401), and the middle plate (400); the top of the support plate (401) is further provided with a threaded stud penetrating through the abutting plate (402), at least two nuts are arranged on the threaded stud, and the upper and lower end faces of the abutting plate (402) are respectively attached to the two nuts; the middle portion of the hand wheel (403) is connected with a connecting sleeve (405) through an integral rod body, the opposite faces of the support plate (401) and the abutting plate (402) are respectively provided with a hole, the hole is provided with a bearing (404) inside, the bearing (404) comprises an outer ring, an inner ring, and rolling balls arranged between the outer ring and the inner ring, the outer ring of the bearing (404) is fixedly connected to the inner wall of the hole, and the inner portion of the bearing (404) is interference-fitted with the connecting sleeve (405); the inner portion of the connecting sleeve (405) is provided with a prism hole for penetration of the prisms (300), and the prism hole and the prisms (300) are in abutting connection in the axial direction; the two ends of the support plate (101) are provided with observation grooves (102), and the bottom end face of the support plate (101) is further provided with an illuminating lamp (105) with a built-in lithium battery, when one end of the middle plate (400) is attached to the inner wall of the mounting frame (100), the other end of the middle plate (400) is arranged between the adjusting groove (103) and the observation grooves (102). ​ ​ ​ ​ ​ ​ 2. A mobile actuator for facilitating manual operation of a valve of an underground pipe network according to claim 1, characterized in that: ​ 3. A mobile actuator for facilitating manual operation of a valve of an underground pipe network according to claim 2, characterized in that: ​ 4. A mobile actuator for facilitating manual operation of underground pipe network valves as defined in claim 2, characterized in that: ​ 5. A mobile actuator for facilitating manual operation of a valve of an underground pipe network according to claim 4, characterized in that: ​ 6. A mobile actuator for facilitating manual operation of underground pipe network valves as defined in claim 2, characterized in that: ​ 7. A mobile actuator for facilitating manual operation of underground pipe network valves as defined in claim 2, characterized in that: The top end surface of the mounting frame (100) is bolted with a limiting plate (104) which passes through the inner side of the support plate (401) and is attached to the top of the middle plate (400); a space is left between the limiting plate (104) and the support plate (401).

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