CN210005931U

CN210005931U - explosion-proof motor water pressure test device

Info

Publication number: CN210005931U
Application number: CN201921105915.3U
Authority: CN
Inventors: 王涛; 张鹏; 王瑞; 张雪; 张梁; 吴刚; 文磊; 张传琳
Original assignee: Shandong Energy Heavy Equipment Group Jun Ma Motor Manufacturing Co Ltd
Current assignee: Shandong Energy Heavy Equipment Group Jun Ma Motor Manufacturing Co Ltd
Priority date: 2019-07-15
Filing date: 2019-07-15
Publication date: 2020-01-31
Anticipated expiration: 2029-07-15

Abstract

The utility model discloses an flame proof motor hydrostatic test device, the water course of seting up including valve body and valve body inner chamber, the position intercommunication that the water course runs through the valve body up end has the relief valve, the side intercommunication that the elbow was kept away from to the straight tube has the multi-ported ware of reducing, and all the other outputs of the multi-ported ware of reducing communicate respectively has branch road spherical stop valve and second branch road spherical stop valve the utility model discloses in, owing to adopted the intercommunication between branch road spherical stop valve and the basin, the basin department pressure of having realized intercommunication flame proof motor inner chamber obtains detecting, owing to adopted the intercommunication between multi-ported ware of reducing and branch road spherical stop valve and the second branch road spherical stop valve again, has realized the adaptation intercommunication to different model mouth of a river joints, owing to adopted the intercommunication between mouth of a river and the logical groove simultaneously, has realized controlling the pressure maximum value to the piston rod, controls the water pressure of flame proof motor inner chamber through the mouth.

Description

explosion-proof motor water pressure test device

Technical Field

The utility model relates to a flame proof motor detects technical field that leaks, especially relates to kinds of flame proof motor hydrostatic test devices.

Background

The explosion-proof motor is a motor with an explosion-proof shell, the explosion-proof shell is required to bear the internal explosion pressure without being damaged and can prevent explosion flame from spreading to the outside of the shell, so the explosion-proof shell has two characteristics of explosion resistance and explosion-proof performance, the explosion-proof type is gap explosion-proof technologies, the effects of temperature reduction and flameout are achieved by depending on gaps and meshing lengths, and a cooling water channel is arranged inside the explosion-proof motor to control the temperature of the motor.

The existing explosion-proof motor is applied to in various fire-proof and explosion-proof places, however, the existing explosion-proof motor has the following defects of in the detection process, firstly, during the water pressure test of the water channel of the explosion-proof motor, because the specifications of a connector for the test and a motor body as well as the specification of the connector and a cooling water pipe are different, the water pressure test is carried out by conventionally adopting the process of manufacturing a special water pressure connector tool according to the size of a stud on the side of the motor body, different connectors of different motors are required to manufacture special connector tools with various specifications, secondly, after the water pressure test of the special tool is qualified, a standard connector needs to be replaced, whether water leakage exists at the replaced connector cannot be verified, the product quality cannot be ensured, the special connector is troublesome and labor-consuming during the processing and the water pressure construction, and finally, when the water pressure of the cooling water channel of the explosion-proof motor is tested, the pressure of the water channel test cannot be controlled.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an kinds of flameproof motor hydrostatic test devices for solving the problem that the safety range is difficult to control when the flameproof motor detects pressure.

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

kinds of flameproof motor hydrostatic test device, the water course of seting up including valve body and valve body inner chamber, the position intercommunication that the water course runs through the valve body up end has the relief valve, the water course runs through the position that valve body both sides side table wall is close to the up end and all communicates the elbow, the position that the water course runs through valve body both sides side table wall and is close to down the terminal surface communicates respectively and has the pressure beater water inlet and the spherical stop valve of third branch road, the end that the valve body was kept away from to the spherical stop valve of third branch road has seted up the pressure release mouth, two the side that the valve body was kept away from to the elbow communicates respectively has straight tube and second straight tube, end intercommunication that the elbow was kept away from to the second straight tube has the manometer, the side intercommunication that the elbow was kept away from to the straight tube has the reducing multi-channel ware.

steps are described as the technical scheme:

the water channel is provided with two horizontal branches and vertical branches, and the branches in the water channel are communicated with each other.

steps are described as the technical scheme:

the safety valve is fixed with the valve body in a screwing mode through threads, a water stopping pipe is arranged in an inner cavity of the bottom of the safety valve, a limiting groove is formed in the position, close to the lower end face, of the inner cavity of the water stopping pipe, and a piston rod is connected to the inner cavity of the water stopping pipe in a sliding mode.

steps are described as the technical scheme:

and water gaps penetrating through the piston rod are formed in the side surface walls of two sides of the piston rod, through grooves for observing the safety valve are formed in the side surface walls of the safety valve, the through grooves are higher than the water gaps, and the central axes of the through grooves and the water gaps are positioned on the same horizontal plane.

steps are described as the technical scheme:

the safety valve is characterized in that a sliding groove is formed between the upper end face of the safety valve and the through groove, a piston sleeve is connected to the position, close to the lower end face, of the inner cavity of the sliding groove in a sliding mode, a threaded groove is formed in the position, close to the upper end face, of the inner cavity of the sliding groove, an end cover is connected to the inside of the threaded groove in a screwed mode through threads, the end cover is connected with the piston sleeve in an elastic mode through a compression spring, and the lower end.

steps are described as the technical scheme:

the ends of the -branch spherical stop valve and the second-branch spherical stop valve, which are far away from the reducing multi-way device, are communicated with a water gap joint through a communicating stud, and the ends of the water gap joint, which are far away from the communicating stud, are provided with water grooves.

steps are described as the technical scheme:

the different structure communicating parts of the device are connected and fixed in a screwing mode through threads, and the different structure communicating parts are provided with O-shaped sealing rings and U-shaped clamps.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses in, used the manometer to carry out audio-visual show to water pressure, owing to adopted the presser water inlet to add water pressure boost to the water course inner chamber, realized the water course to with the water course each mechanism between the water course balanced, owing to adopted the intercommunication between manometer and the water course again, realized the direct indication to the pressure of water course, simultaneously owing to adopted the intercommunication between branch road spherical stop valve and the basin, the basin department pressure of having realized intercommunication flame proof motor inner chamber obtains detecting, thereby realized carrying out audio-visual detection to the pressure of flame proof motor inner chamber.

2. The utility model discloses in, used the reducing multi-ported ware valve to divide the not mouth of a river joint of equidimension of a plurality of interfaces cooperation, owing to adopted the intercommunication between a plurality of branch road ball stop valves and the mouth of a river joint, realized the adaptation intercommunication to the mouth of a river joint of different models, owing to adopted the reducing multi-ported ware and branch road ball stop valve and the intercommunication between the second branch road ball stop valve again, realized the adaptation intercommunication to different model mouth of a river joints to the mouth of a river joint's that direct detection is right waterproof compressive capacity.

3. The utility model discloses in, the maximum pressure that the relief valve received to the flame proof motor has been used to restrict, because the intercommunication of each other between relief valve and the water course has been adopted, realized that the piston rod receives the pressure of water and extrudees to the top, owing to adopted elastic connection through compression spring between end cover and the piston bush again, the motion of having realized the piston rod receives compression spring's extrusion buffering, when the piston rod receives the maximum pressure of injecing, simultaneously owing to adopted the mouth of a river and led to the intercommunication between the groove, realized making rivers blowout pressure release, so that control the pressure maximum value of piston rod, control the water pressure of flame proof motor inner chamber through the mouth of a river promptly.

Drawings

FIG. 1 is a schematic diagram of the main structure of kinds of flameproof motor hydrostatic test devices provided by the utility model;

FIG. 2 is the schematic view of the safety valve internal structure of the kinds of flameproof motor hydrostatic test devices of the present invention;

FIG. 3 is the utility model provides an kinds of flame proof motor hydrostatic test device's flame proof motor joint department structure sketch.

Illustration of the drawings:

1. branch spherical stop valves, 2 and second branch spherical stop valves, 3 and O-shaped sealing rings, 4 a reducing multi-way device, 5 and straight pipes, 6 a presser water inlet, 7 a water channel, 8 a valve body, 9 and third branch spherical stop valves, 10 a pressure relief port, 11 an elbow, 12 and U-shaped clamps, 13 and second straight pipes, 14 a safety valve, 1401 an end cover, 1402 a compression spring, 1403 a through groove, 1404 a water stop pipe, 1405 a piston rod, 1406 a limiting groove, 1407 a water gap, 1408 a piston sleeve, 1409 a thread groove, 1410 a sliding groove, 15 a pressure gauge, 16 a stud, 17 a water gap joint, 18 a water tank.

Detailed Description

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

Please refer to fig. 1-3, the utility model provides a kind of technical scheme, kinds of flame proof motor hydrostatic test device, water channel 7 including valve body 8 and the setting up of the valve body 8 inner chamber, the position that water channel 7 runs through the valve body 8 up end communicates with relief valve 14, the position that water channel 7 runs through valve body 8 both sides side table wall and is close to the up end all communicates with elbow 11, the position that water channel 7 runs through valve body 8 both sides side table wall and is close to the lower terminal surface communicates respectively with punch water inlet 6 and third branch spherical stop valve 9, end that third branch spherical stop valve 9 keeps away from valve body 8 has seted up pressure relief port 10, two elbow 11 sides that keep away from valve body 8 communicate respectively with straight tube 5 and second straight tube 13, end that second straight tube 13 kept away from elbow 11 communicates with pressure gauge 15, straight tube 5 side that keeps away from elbow 11 communicates with multichannel spherical stop valve 4, and all the other output ends of multichannel stop valve 4 communicate respectively with spherical 1 of second branch and second branch spherical stop valve , wherein the single branch spherical stop valve 4 can be the spherical stop valve that the function is the multichannel spherical stop valve and the multichannel spherical stop valve that the multichannel spherical switch 8291 and the whole branch can all adopt the same to influence the second branch spherical switch to the reducing switch.

Specifically, as shown in fig. 1, the water channel 7 is provided with two horizontal branches and vertical branches, and the branches inside the water channel 7 are communicated with each other, so that the pressure applied to each mechanism of the device by the water channel 7 is equal.

Specifically, as shown in fig. 2, it is fixed to close soon through the screw between relief valve 14 and the

valve body

8, and 14 bottom inner chambers of relief valve are provided with water stopping pipe 1404, and water stopping pipe 1404 inner chamber is close to the position of terminal surface down and has seted up spacing groove 1406 to water stopping pipe 1404 inner chamber sliding connection has piston rod 1405, and relief valve 14 can be changed into pressure sensor simultaneously, comes the magnitude of regulated pressure through supporting detection device, and can not influence the function realization of device.

Specifically, as shown in fig. 2, the side surface walls on both sides of the piston rod 1405 are provided with a water gap 1407 penetrating through the piston rod 1405, the side surface wall of the safety valve 14 is provided with a through groove 1403 for observing the safety valve 14, the through groove 1403 is higher than the water gap 1407, and the central axes of the through groove 1403 and the water gap 1407 are located on the same horizontal plane, so that the piston rod 1405 is pushed open when the water pressure is sufficiently high, and the through groove 1403 and the water gap 1407 are communicated with each other to release the pressure.

Specifically, as shown in fig. 2, a sliding groove 1410 is provided between the upper end surface of the safety valve 14 and the through groove 1403, a piston sleeve 1408 is slidably connected to a portion of an inner cavity of the sliding groove 1410, which is close to the lower end surface, of the sliding groove 1410, a thread groove 1409 is provided at a portion of the inner cavity of the sliding groove 1410, which is close to the upper end surface, an end cover 1401 is screwed inside the thread groove 1409, the end cover 1401 is elastically connected to the piston sleeve 1408 through a compression spring 1402, and the lower end surface of the piston sleeve 1408 is welded to the upper end surface of the piston rod 1405, so that the piston sleeve 1408 performs.

Specifically, as shown in fig. 3, the ends of the -th branch spherical stop valve 1 and the second branch spherical stop valve 2, which are far away from the multi-diameter adapter 4, are both communicated with the water gap joint 17 through the communicating stud 16, and the ends of the water gap joint 17, which are far away from the communicating stud 16, are provided with the water tank 18, so that the water gap joints 17 with different types and calibers can be communicated and matched with the multi-diameter adapter 4.

Specifically, as shown in fig. 1, the different structural communication parts of the device are connected and fixed by screwing threads, and the different structural communication parts are provided with an O-shaped sealing ring 3 and a U-shaped clamp 12, so as to carry out waterproof protection on the connection parts of the device.

The working principle is that when the explosion-proof water-saving control device is used, firstly, water is added into an inner cavity of a water channel 7 through a water inlet 6 of a press machine to increase pressure, the water channel 7 enables water pressure of each mechanism communicated with the water channel 7 to be equal, then, pressure of the water channel 7 is directly displayed through communication between a branch spherical stop valve 1 and a water channel 18, meanwhile, a second branch spherical stop valve 2 is closed, pressure of the water channel 18 communicated with an inner cavity of an explosion-proof motor is detected, so that pressure of the inner cavity of the explosion-proof motor can be intuitively detected, meanwhile, the arrangement of the branch spherical stop valves is convenient for communication of different water gap connectors 17, secondly, through mutual communication between a safety valve 14 and the water channel 7, a piston rod 1405 is pressed to the top by water pressure, then, through elastic connection between a compression spring 1402 between an end cover 1401 and a piston sleeve 1408, movement of the piston rod 1405 is buffered by the compression of the compression spring 1405, and until the piston rod 1405 moves to the top until the water gap 1407 is communicated with a through groove 1403, so that pressure of the water channel 1407 is relieved, and the maximum pressure of the piston rod 1405 is controlled, and the inner cavity.

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

Claims

The utility model provides a kind of flame proof motor hydrostatic test device, water course (7) seted up including valve body (8) and valve body (8) inner chamber, its characterized in that, water course (7) run through the position intercommunication of valve body (8) up end has relief valve (14), water course (7) run through the position that valve body (8) both sides side table wall is close to the up end and all communicate elbow (11), water course (7) run through valve body (8) both sides side table wall and are close to the position of terminal surface respectively the intercommunication have presser water inlet (6) and third branch road ball stop valve (9), pressure release mouth (10) have been seted up to end that valve body (8) were kept away from in third branch road ball stop valve (9) the side that valve body (8) were kept away from in elbow (11) communicates respectively have straight tube (5) and second straight tube (13), end intercommunication that elbow (11) were kept away from in second straight tube (13) has manometer (15), the intercommunication of 5 side of keeping away from straight tube (11) has the elbow straight tube (11) has the manometer (387), and all the branch road ball stop valve (64) and all the branch road (64) intercommunication have elbow (387).
2. The kinds of flameproof motor hydrostatic test device of claim 1, characterized in that, the water channel (7) is provided with two horizontal branches and vertical branches, and the branches inside the water channel (7) are all communicated with each other.
3. The kinds of flame proof motor hydrostatic test device of claim 1, characterized in that, the safety valve (14) and the valve body (8) are screwed together and fixed through screw thread, the inner cavity of the bottom of the safety valve (14) is provided with a water stop pipe (1404), and the part of the inner cavity of the water stop pipe (1404) close to the lower end face is provided with a limit groove (1406), and the inner cavity of the water stop pipe (1404) is connected with a piston rod (1405) in a sliding manner.
4. The kind of flame proof motor hydrostatic test device of claim 3, characterized in that, the both sides of the piston rod (1405) lateral surface wall offers the mouth of a river (1407) that runs through the piston rod (1405), the safety valve (14) lateral surface wall offers the logical groove (1403) of observing the safety valve (14), the height of the logical groove (1403) is higher than the height of the mouth of a river (1407), the central axis of the logical groove (1403) and the mouth of a river (1407) is in the same horizontal plane.
5. The kinds of flame proof motor hydrostatic test device of claim 1, characterized in that, a chute (1410) has been seted up between safety valve (14) up end and the logical groove (1403), and the position sliding connection that the chute (1410) inner chamber is close to the lower terminal surface has piston cover (1408), and the position that the chute (1410) inner chamber is close to the up end has seted up thread groove (1409), thread groove (1409) inside is connected with end cover (1401) through the screw thread closure, and passes through compression spring (1402) elastic connection between end cover (1401) and piston cover (1408), piston cover (1408) lower terminal surface and piston rod (1405) up end welding.
6. The kinds of flameproof motor hydrostatic test device of claim 1, wherein the ends of the branch spherical stop valve (1) and the second branch spherical stop valve (2) far away from the multi-diameter-variable-diameter-multiple-way device (4) are both communicated with a water gap joint (17) through a communicating stud (16), and a water tank (18) is arranged at the end of the water gap joint (17) far away from the communicating stud (16).
7. The kinds of flameproof motor hydrostatic test device of claim 1, characterized in that different structural communication points of the device are connected and fixed by screwing threads, and the different structural communication points are provided with O-shaped sealing rings (3) and U-shaped clamps (12).