CN111896235B - Multifunctional integrated vertical fixed test bench - Google Patents
Multifunctional integrated vertical fixed test bench Download PDFInfo
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- CN111896235B CN111896235B CN202010759257.0A CN202010759257A CN111896235B CN 111896235 B CN111896235 B CN 111896235B CN 202010759257 A CN202010759257 A CN 202010759257A CN 111896235 B CN111896235 B CN 111896235B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/02—Nozzles specially adapted for fire-extinguishing
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Abstract
The invention relates to a nozzle dynamics test bed, in particular to a multifunctional integrated vertical fixed test bed, which aims to solve the problems that the existing test bed has single function and complicated layout and cannot be suitable for relevant basic theory research tests of a nozzle dynamics test bed. The technical scheme adopted by the invention is as follows: a multifunctional integrated vertical fixed test bench comprises a vertical mounting seat, a horizontal mounting seat and a bench main body arranged on the ground, wherein the vertical mounting seat and the horizontal mounting seat are both arranged on the bench main body; the rack main body comprises a bottom plate, an installation plate vertically and fixedly connected to one side of the bottom plate, and two rib plates arranged between the bottom plate and the installation plate and used for bearing; the vertical mounting seat comprises an annular chassis, a supporting column and a fixed disc; the horizontal mounting seat comprises a rectangular platform, a rib plate and an upright post; and the mounting plate is sequentially provided with a nitrogen fire-fighting device, an instruction gas collecting pipe and two cooling water collecting pipes from top to bottom.
Description
Technical Field
The invention relates to a nozzle dynamics test bed, in particular to a multifunctional integrated vertical fixed test bed which can be widely applied to installation and fixation of various nozzles and small-thrust test pieces.
Background
The test bench is used as a device for installing and fixing a product and is an indispensable component of the test bench. The common test bed mainly comprises a horizontal bed, a support bed and a vertical bed.
The horizontal rack is realized by welding angle irons or purchasing a special platform, has the advantages of low cost and simple arrangement, but cannot bear a large thrust experimental part, needs to additionally manufacture a simple bracket, leads the on-site pipeline arrangement and test control circuit to be messy, and has limited optical observation angle;
the support type rack is constructed by industrial aluminum profiles and special optical profiles, has the advantages of being convenient for manual modification and assembly, meeting the requirements of various optical observation angles, being low in cost, but being low in bearing capacity and incapable of erecting overweight combustion chambers and experimental equipment.
The vertically fixed type rack means that the main body part of the rack is fixedly arranged in a mode of being vertical to the ground, and the combustion chamber is vertically fixed on the rack vertical to the ground by adopting a head part. The fixed mode has the advantages of wide thrust application range, convenience and quickness in cooling pipeline and optical measurement, simplicity and tidiness in field arrangement, easiness in cleaning cold debugging media and high preference for basic research experiments of small and medium-sized combustion chambers.
The nozzle dynamics test bed is used as a comprehensive test bed with the thermal state experiment capability of a medium-low pressure combustion chamber, has the capability of simultaneously supplying multiple media such as oxygen, kerosene, methane, air, nitrogen and the like, can meet the research requirements of basic theories such as most of nozzle dynamic characteristics, propellant ignition combustion characteristics, combustion instability and the like, and needs to realize the simultaneous supply and safety guarantee of multiple media within limited experiment times and acquire data and images as much as possible.
However, the existing nozzle dynamics test bed has strong specificity, and can not realize the rapid installation and fixation of different types of test pieces, different flow test pieces and test auxiliary equipment; meanwhile, the layout of the nozzle dynamics test bed rack is complicated, the normal use of optical equipment is influenced, and the requirements of relevant basic theory research tests of the nozzle dynamics test bed cannot be met.
Disclosure of Invention
The invention aims to provide a multifunctional integrated vertically-fixed test bed frame, which is used for solving the problems that the existing test bed frame is single in function, complicated in layout and incapable of being suitable for relevant basic theory research tests of a nozzle dynamics test bed.
The technical scheme adopted by the invention is as follows: a multifunctional integrated vertical fixed test bench comprises a vertical mounting seat, a horizontal mounting seat and a bench main body arranged on the ground, wherein the vertical mounting seat and the horizontal mounting seat are both arranged on the bench main body;
the rack main body comprises a bottom plate, an installation plate vertically and fixedly connected to one side of the bottom plate and two rib plates which are arranged between the bottom plate and the installation plate and used for bearing, the bottom plate is installed on the ground, a circular through hole used for penetrating a test pipeline or a circuit is formed in the upper portion of the installation plate, and an installation through hole used for penetrating the test pipeline or the circuit is formed in the lower portion of the installation plate;
the vertical mounting seat comprises an annular base plate, supporting columns and a fixed plate, one end of the annular base plate is coaxially connected to the outer side of the circumference of the circular through hole, the other end of the annular base plate is connected with the fixed plate through the plurality of supporting columns, the outer diameter of the fixed plate which is coaxially arranged with the annular base plate is smaller than that of the annular base plate, and the fixed plate is provided with a first threaded hole for mounting a thrust chamber or a six-component force sensor;
the horizontal mounting seat comprises a rectangular platform, a rectangular rib plate and an upright post, the side wall of the upright post is connected to the outer side wall of the mounting plate through a bolt, one end of the rectangular platform is fixedly connected with the top of the upright post, the other end of the rectangular platform is fixedly connected with the bottom of the upright post through the rectangular rib plate, and the top surface of the rectangular platform is provided with a second threaded hole for placing an optical combustion chamber or a test piece;
on the mounting panel from last to being equipped with nitrogen gas fire control unit, instruction gas collecting pipe and two cooling water collecting pipes down in proper order, nitrogen gas fire control unit protects optical equipment when being used for emergency, instruction gas collecting pipe is used for providing instruction gas for the test piece, two cooling water collecting pipes are used for providing the water source respectively and retrieve the water source.
Further, nitrogen gas fire control unit is for being equipped with the first communicating pipe of a plurality of shower nozzles, first communicating pipe one end is equipped with first supply source and connects, and the other end seals, first supply source connects and first communicating pipe all sets up on the inside wall of mounting panel, the shower nozzle passes the inside wall for spout nitrogen gas to the mounting panel opposite side.
Further, the instruction gas collecting pipe comprises an L-shaped second communication pipeline, and the second communication pipeline comprises a horizontal pipe section and a vertical pipe section;
one end of the horizontal pipe section is provided with a second supply source connector, the second supply source connector is installed on the inner side wall, the other end of the horizontal pipe section penetrates through the inner side wall to be communicated with one end of the vertical pipe section, the other end of the vertical pipe section is closed, the vertical pipe section is provided with a plurality of instruction gas standard connectors, and the instruction gas standard connectors are used for providing instruction gas for the test piece.
Furthermore, the two cooling water collecting pipes comprise a cooling water supply pipe and a cooling water return pipe, the cooling water supply pipe and the cooling water return pipe are both arranged on the mounting plate, one end of the cooling water supply pipe is arranged on one side of the inner side wall of the mounting plate, and the other end of the cooling water supply pipe penetrates through the mounting plate to extend outwards and seal the end part;
a third supply source joint is arranged at one end of the cooling water supply pipe, which is positioned on the inner side wall, the third supply source joint is used for connecting a cooling water source, and a plurality of cooling water outlet joints are arranged on the cooling water supply pipe extending out of the mounting plate;
the one end that the cooling water wet return is located the inside wall is equipped with retrieves the interface, it is used for connecting the recovery container to retrieve the interface, stretches out to be equipped with a plurality of recovery joints on the cooling water wet return in the mounting panel outside, it is used for retrieving the waste liquid after the cooling to retrieve the joint.
Furthermore, a third threaded hole and a fourth threaded hole are formed in the mounting plate, and the third threaded hole is formed above the circular through hole and used for mounting a temporary test piece or an auxiliary device;
the fourth threaded hole is arranged between the circular through hole and the mounting through hole and used for adjusting the height of the horizontal mounting seat on the mounting plate.
Further, two nitrogen gas fire extinguishing devices are respectively arranged on two sides of the circular through hole.
Furthermore, the cross section of the fluid channel in the spray head is rectangular, the cross section of the fluid channel is gradually enlarged along the water outlet direction, the outlet of the spray head is a large port of the flow channel, and 3-6 spray heads are arranged.
Furthermore, the connection modes between every two of the bottom plate, the two rib plates and the mounting plate are all welding; the annular chassis, the fixed disc and the support columns are connected in a welding mode; the rectangular platform, the rectangular rib plates and the upright posts are all welded in a connection mode; the command gas standard joint, the cooling water outlet joint and the recovery joint are all directly welded by adopting a standard 37-degree welding method of DN 4.
Further, the pressure of the instruction air source introduced into the second supply source connector is 0.8MPa-4 MPa.
Furthermore, the plate surfaces of the two rib plates are in a right-angle triangular shape, and lightening holes are formed in the two rib plates.
Compared with the prior art, the invention has the following beneficial effects.
The multifunctional integrated vertical fixed test bed frame can realize the installation and fixation of test pieces with different types and different flow rates, has two installation modes of horizontal installation and vertical installation, and has wider application range; meanwhile, the test bench realizes the integrated layout of the nitrogen fire-fighting device, the instruction gas collecting pipe and the cooling water collecting pipe, so that the field pipelines are orderly arranged, neat and easy to clean, and the optical equipment layout and the test auxiliary equipment are easy to install and fix quickly.
The multifunctional integrated vertically-fixed test bed adopted by the invention is provided with the nitrogen fire-fighting devices arranged on two sides of the mounting plate, so that flame can be effectively prevented from being transmitted along two sides of a test piece in an emergency, and valuable measuring instruments such as optical equipment and the like can be protected preferentially.
The multifunctional integrated vertical fixed test bed frame adopted by the invention has the advantages that the frequently adjusted or replaced test components are connected by threads, the assembly and disassembly are convenient, the maintenance is convenient and fast, the cost is saved, and meanwhile, the main components in the test bed frame are welded, so that the structural strength is good, the reliability is high, and the test bed frame has multiple test capabilities.
Drawings
FIG. 1 is a block diagram of a multi-functional integrated vertically mounted test rig according to the present invention.
FIG. 2 is a structural diagram of a main body of a multifunctional integrated vertically fixed test bed according to the present invention.
FIG. 3 is a block diagram of a vertical mount in a multifunctional integrated vertically fixed test bed of the present invention.
FIG. 4 is a structural diagram of a horizontal mounting seat in a multifunctional integrated vertically fixed test bed according to the present invention.
FIG. 5 is a block diagram of a nitrogen fire-fighting unit in a multifunctional integrated vertically mounted test rig according to the present invention.
FIG. 6 is a block diagram of a command gas manifold in a multi-function integrated vertically mounted test rig according to the present invention.
FIG. 7 is a structural view of a cooling water supply pipe in a multifunctional integrated vertically fixed test bed according to the present invention.
FIG. 8 is a schematic view of the end face of the nozzle outlet in a multifunctional integrated vertically fixed test bed according to the present invention.
Fig. 9 is a sectional view a-a of the head of fig. 8.
In the figure:
1-vertical mounting seat, 11-annular chassis, 12-support column, 13-fixed disk;
2-horizontal mounting seat, 21-rectangular platform, 22-rectangular rib plate and 23-upright post;
3-a rack main body, 31-a bottom plate, 32-a mounting plate, 33-a rib plate, 34-an outer side wall, 35-an inner side wall, 36-a circular through hole and 37-a mounting through hole;
4-nitrogen fire-fighting device, 41-spray head, 42-first communicating pipeline, 43-first supply source joint;
5-a command gas manifold, 51-a second communication pipeline, 52-a second supply joint, 53-a command gas standard joint;
6-cooling water collecting pipe, 60-cooling water return pipe, 61-cooling water supply pipe, 62-third supply source joint and 63-cooling water outlet joint.
Detailed Description
The technical solution of the present invention will be clearly and completely described below with reference to the embodiments of the present invention and the accompanying drawings, and it is obvious that the described embodiments do not limit the present invention.
As shown in fig. 1 to 9, the multifunctional integrated vertical fixed test bench in the present embodiment includes a vertical mounting base 1, a horizontal mounting base 2, and a bench body 3 for being disposed on the ground, wherein the vertical mounting base 1 and the horizontal mounting base 2 are both mounted on the bench body 3;
the rack main body 3 comprises a bottom plate 31, an installation plate 32 vertically and fixedly connected to one side of the bottom plate 31, and two rib plates 33 arranged between the bottom plate 31 and the installation plate 32 and used for bearing, the plate surfaces of the two rib plates 33 are in a right-angled triangle shape, and lightening holes are formed in the two rib plates 33; the bottom plate 31 is arranged on the ground, a round through hole 36 for penetrating a test pipeline or a line is arranged at the upper part of the mounting plate 32, and a mounting through hole 37 for penetrating the test pipeline or the line is arranged at the lower part of the mounting plate 32;
the vertical mounting seat 1 comprises an annular chassis 11, supporting columns 12 and a fixed disc 13, one end of the annular chassis 11 is coaxially connected to the outer side of the circumference of a circular through hole 36, the other end of the annular chassis 11 is connected with the fixed disc 13 through the supporting columns 12, the outer diameter of the fixed disc 13 which is coaxially arranged with the annular chassis 11 is smaller than that of the annular chassis 11, and a first threaded hole for mounting a thrust chamber or a six-component force sensor is formed in the fixed disc 13;
the horizontal mounting seats 2 comprise rectangular platforms 21, rectangular rib plates 22 and upright columns 23, the side walls of the upright columns 23 are connected to the outer side walls 34 of the mounting plates 32 through bolts, one ends of the rectangular platforms 21 are fixedly connected with the tops of the upright columns 23, the other ends of the rectangular platforms 21 are fixedly connected with the bottoms of the upright columns 23 through the rectangular rib plates 22, second threaded holes are formed in the top surfaces of the rectangular platforms and used for placing optical combustion chambers or test pieces, and the two horizontal mounting seats 2 are mounted on the rack main body 3;
be equipped with third screw hole and fourth screw hole on the mounting panel 32, the third screw hole sets up in circular through-hole 36 top, the third screw hole is used for installing interim test piece or auxiliary device, and the fourth screw hole sets up between circular through-hole 36 and installation through-hole 37, the fourth screw hole is used for adjusting horizontal installation seat 2 height on mounting panel 32.
On the mounting panel 32 from last to being equipped with nitrogen gas fire control unit 4, instruction gas collecting pipe 5 and two cooling water collecting pipes 6 down in proper order, nitrogen gas fire control unit 4 protects optical equipment when being used for emergency, instruction gas collecting pipe 5 is used for providing instruction gas for the test piece, and two cooling water collecting pipes 6 are used for providing the water source respectively and retrieve the water source.
The nitrogen fire-fighting device 4 is a first communication pipeline 42 provided with a plurality of spray heads 41, one end of the first communication pipeline 42 is provided with a first supply source joint 43, the other end of the first communication pipeline is closed, the first supply source joint 43 and the first communication pipeline 42 are both arranged on the inner side wall 35 of the mounting plate 32, the spray heads 41 penetrate through the inner side wall 35 and are used for spraying nitrogen to the other side of the mounting plate 32, the nitrogen fire-fighting device 4 is provided with two nitrogen fire-fighting devices 4, and the two nitrogen fire-fighting devices 4 are respectively arranged on two sides of the circular through hole 36.
The cross section of the fluid channel in the spray head 41 is rectangular, the cross section of the fluid channel is gradually enlarged along the water outlet direction, the outlet of the spray head 41 is a large port of the flow channel, and the large port of the spray head 41 effectively enlarges the width of a single spray curtain; 3-6 spray heads 41 are arranged to meet the use requirements of spray curtains with different sizes. When the number of the nozzles 41 of each nitrogen fire fighting device 4 is set to 3, it can be used for a small test piece combustion test; when the number of the nozzles 41 of each nitrogen fire fighting device 4 is set to 6, it can be used for a large-flow test piece combustion test.
The command gas collecting pipe 5 comprises an L-shaped second communicating pipeline 51, and the second communicating pipeline 51 comprises a horizontal pipe section and a vertical pipe section; one end of the horizontal pipe section is provided with a second supply source connector 52, the second supply source connector 52 is installed on the inner side wall 35, the other end of the horizontal pipe section penetrates through the inner side wall 35 to be communicated with one end of the vertical pipe section, the other end of the vertical pipe section is closed, the vertical pipe section is provided with a plurality of instruction gas standard connectors 53, and the instruction gas standard connectors 53 are used for providing instruction gas for the test piece.
The number of the instruction gas collecting pipes 5 can be set to be 2, and the number of the instruction gas standard joints 53 of each instruction gas collecting pipe 5 is set to be 6, so that the use requirements of 1-12 paths of instruction gas can be met; the pressure of the instruction air source introduced into the second supply source joint 52 is 0.8MPa-4 MPa.
When the second supply source connector 52 is introduced with a low-pressure instruction gas source of 0.8MPa, the timing sequence regulation and control requirements of the combustion test of conventional low-and-medium-pressure test products can be met; when the second supply source connector 52 is introduced with a 4MPa high-pressure instruction gas source, the timing sequence regulation and control requirements of the combustion test of special test products can be met; when a low-pressure instruction gas source of 0.8MPa is introduced into the second supply source connector 52 of one instruction gas collecting pipe 5, and a high-pressure instruction gas source of 4MPa is introduced into the second supply source connector 52 of the other instruction gas collecting pipe 5, the requirements of the combustion test timing sequence regulation on the low-pressure instruction gas and the high-pressure instruction gas can be met at the same time.
The two cooling water collecting pipes 6 comprise a cooling water supply pipe 61 and a cooling water return pipe, and can simultaneously supply and recover cooling water with the flow rate of 3kg/s or less; the cooling water supply pipe 61 and the cooling water return pipe 60 are both arranged on the mounting plate 32, one end of the cooling water supply pipe is arranged on one side of the inner side wall 35 of the mounting plate 32, and the other end of the cooling water supply pipe penetrates through the mounting plate 32 to extend outwards and seal the end parts; a third supply source joint 62 is arranged at one end of the cooling water supply pipe 61, which is positioned on the inner side wall 35, the third supply source joint 62 is used for connecting a cooling water source, and a plurality of cooling water outlet joints 63 are arranged on the cooling water supply pipe 61 which extends out of the mounting plate 32; the one end that cooling water wet return 60 is located inside wall 35 is equipped with retrieves the interface, retrieve the interface and be used for connecting recovery container, stretch out and be equipped with a plurality of recovery joints on the cooling water wet return in the mounting panel 32 outside, it is used for retrieving the waste liquid after the cooling to retrieve the joint.
The quantity that is equipped with cooling water outlet joint 63 on cooling water supply pipe 61 is 1 ~ 6, can satisfy 1 ~ 6 way cooling water user demands simultaneously, is equipped with 1 ~ 6 on the cooling water wet return simultaneously and retrieves the joint.
When the number of the cooling water outlet connectors 63 is 6, the use requirements of 6 paths of cooling water can be met, the use requirements of a single path of cooling water with small flow rate not exceeding 0.5kg/s can be met, and the test device is suitable for test products needing multi-path cooling.
The connection modes between the bottom plate 31, the two rib plates 33 and the mounting plate 32 are all welding; the annular base plate 11, the fixed plate 13 and the support column 12 are connected by welding; the rectangular platform 21, the rectangular rib plate 22 and the upright post 23 are all welded in a connection mode; the command gas standard joint 53, the cooling water outlet joint 63 and the recovery joint are all directly welded by adopting a standard 37-degree welding method of DN 4.
In the embodiment, the width of the mounting plate 32 is 1-2 m, 1-2 rows of third threaded holes are formed in the mounting plate 32, the number of the third threaded holes in each row is 7-15, and the third threaded holes can be used for mounting auxiliary test products such as valves;
be equipped with 4 ~ 8 rows of fourth screw holes between circular through-hole 36 and the installation through-hole 37, every row of fourth screw hole is equipped with 7 ~ 15 fourth screw holes, and the fourth screw hole is used for 2 height position of horizontal installation seat to adjust, or the experimental frock that other basic research of direct fixation probably used, and this mounting panel 32 can set up following two kinds of sizes and satisfy different experimental demands.
The first size: the width of the mounting plate 32 can be set to be 1m, 1 row of third threaded holes are formed in the circular through holes 36, the number of the first threaded through holes is 7, 4 rows of fourth threaded holes are formed between the circular through holes 36 and the mounting through holes 37, 7 fourth threaded holes are formed in each row, the occupied area of the rack main body 3 is small, and the test site is cleaner and tidier;
the second size is as follows: the mounting panel 32 width can be established to 2m, be equipped with 2 rows of third screw holes on the circular through-hole 36, first screw thread through-hole number is 15, is equipped with 8 rows of fourth screw holes between circular through-hole 36 and the installation through-hole 37, and every row is equipped with 15 fourth screw holes, and 3 width increases of this rack main part, and the testpieces is fixed and the regulation margin is bigger, can satisfy complicated experimental demand.
The test operation process of the multifunctional integrated vertical fixed test bed frame is as follows:
before the test bench test, a first pipeline is adopted to fixedly connect a 5MPa nitrogen supply source and a first supply source connector 43 of the nitrogen fire-fighting device 4, a second pipeline is adopted to fixedly connect a 0.8MPa nitrogen supply source and a second supply source connector 52 of the command gas collecting pipe 5, and a third pipeline is adopted to fixedly connect a cooling water supply source and a third supply source connector 62 of a cooling water supply pipe 61.
In the experiment preparation stage, the positions of two horizontal mounting seats 2 on a mounting plate 32 are adjusted through a fourth threaded hole, a test tool with an optical observation window to be tested is fixed on the horizontal mounting seat 2 through a second thread, 2 time sequence control valve tools are fixed on the mounting plate 32 of the test bench through a third threaded hole, and a first temporary pipeline which penetrates through a circular through hole 36 of the mounting plate 32 is used for sequentially connecting an oxygen (or kerosene) supply source, the 2 time sequence control valves and the test tool with the optical observation window;
then two of the instruction gas standard joints 53 at the front end of the instruction device collecting pipe 5 are selected as second temporary pipelines to be connected with the instruction gas interfaces of the 2 sequential control valves;
selecting a cooling water outlet joint 63 nearby from a cooling water supply pipe 61, and connecting the cooling water outlet joint with a cooling water supply interface of a test tool with an optical observation window through a third temporary pipeline;
and connecting a cooling water outlet of the optical observation window test tool with a nearby recycling joint of a cooling water return pipe through a fourth temporary pipeline, finally connecting necessary sensors and lines, completing debugging and testing, and recovering the on-site tidy state by removing the temporary pipeline and a test piece after testing.
The above description is only an embodiment of the present invention, and is not intended to limit the scope of the present invention, and all equivalent structural changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. The utility model provides a multi-functional integrated vertically fixed test bench which characterized in that: the vertical mounting seat (1) and the horizontal mounting seat (2) are arranged on the rack main body (3);
the rack main body (3) comprises a bottom plate (31), a mounting plate (32) vertically fixedly connected to one side of the bottom plate (31), and two rib plates (33) arranged between the bottom plate (31) and the mounting plate (32) and used for bearing, wherein the bottom plate (31) is arranged on the ground, a circular through hole (36) used for penetrating a test pipeline or line is formed in the upper part of the mounting plate (32), and a mounting through hole (37) used for penetrating the test pipeline or line is formed in the lower part of the mounting plate (32);
the vertical mounting seat (1) comprises an annular chassis (11), supporting columns (12) and a fixed disk (13), one end of the annular chassis (11) is coaxially connected to the outer side of the circumference of a circular through hole (36), the other end of the annular chassis is connected with the fixed disk (13) through a plurality of supporting columns (12), the outer diameter of the fixed disk (13) which is coaxially arranged with the annular chassis (11) is smaller than that of the annular chassis (11), and a first threaded hole for mounting a thrust chamber or a six-component force sensor is formed in the fixed disk (13);
the horizontal mounting seat (2) comprises a rectangular platform (21), a rectangular rib plate (22) and an upright post (23), the side wall of the upright post (23) is connected to the outer side wall (34) of the mounting plate (32) through a bolt, one end of the rectangular platform (21) is fixedly connected with the top of the upright post (23), the other end of the rectangular platform is fixedly connected with the bottom of the upright post (23) through the rectangular rib plate (22), and the top surface of the rectangular platform is provided with a second threaded hole for placing an optical combustion chamber or a test piece;
be equipped with nitrogen gas fire control unit (4), instruction gas collecting pipe (5) and two cooling water collecting pipes (6) down on mounting panel (32) in proper order from last, nitrogen gas fire control unit (4) protect optical equipment when being used for emergency, instruction gas collecting pipe (5) are used for providing instruction gas for the test piece, and two cooling water collecting pipes (6) are used for providing the water source respectively and retrieve the waste liquid.
2. The multifunctional integrated vertically stationary test rig according to claim 1, wherein: nitrogen gas fire control unit (4) is for being equipped with first communicating pipe (42) of a plurality of shower nozzles (41), first communicating pipe (42) one end is equipped with first supply source and connects (43), and its other end seals, first supply source connects (43) and first communicating pipe (42) and all sets up on inside wall (35) of mounting panel (32), inside wall (35) are passed in shower nozzle (41) for spout nitrogen gas to mounting panel (32) other side.
3. The multifunctional integrated vertically stationary test rig according to claim 2, wherein: the instruction gas collecting pipe (5) comprises an L-shaped second communication pipeline (51), and the second communication pipeline (51) comprises a horizontal pipe section and a vertical pipe section;
one end of the horizontal pipe section is provided with a second supply source connector (52), the second supply source connector (52) is installed on the inner side wall (35), the other end of the horizontal pipe section penetrates through the inner side wall (35) to be communicated with one end of the vertical pipe section, the other end of the vertical pipe section is closed, the vertical pipe section is provided with a plurality of instruction gas standard connectors (53), and the instruction gas standard connectors (53) are used for providing instruction gas for a test piece.
4. The multifunctional integrated vertically stationary test rig according to claim 3, wherein: the two cooling water collecting pipes (6) comprise a cooling water supply pipe (61) and a cooling water return pipe (60), the cooling water supply pipe (61) and the cooling water return pipe (60) are both arranged on the mounting plate (32), one end of the cooling water supply pipe is arranged on one side of the inner side wall (35) of the mounting plate (32), and the other end of the cooling water supply pipe penetrates through the mounting plate (32) to extend outwards and seal the end part;
a third supply source joint (62) is arranged at one end, located on the inner side wall (35), of the cooling water supply pipe (61), the third supply source joint (62) is used for connecting a cooling water source, and a plurality of cooling water outlet joints (63) are arranged on the cooling water supply pipe (61) extending out of the mounting plate (32);
the one end that cooling water wet return (60) are located inside wall (35) is equipped with retrieves the interface, retrieve the interface and be used for connecting recovery container, stretch out and be equipped with a plurality of recovery joints on the cooling water wet return in the mounting panel (32) outside, it is used for retrieving the waste liquid after the cooling to retrieve the joint.
5. The multifunctional integrated vertically stationary test rig according to claim 4, wherein: a third threaded hole and a fourth threaded hole are formed in the mounting plate (32), and the third threaded hole is formed above the circular through hole (36) and used for mounting a temporary test piece or an auxiliary device;
the fourth threaded hole is arranged between the circular through hole (36) and the mounting through hole (37) and is used for adjusting the height of the horizontal mounting seat (2) on the mounting plate (32).
6. The multifunctional integrated vertically stationary test rig according to claim 5, wherein: the two nitrogen fire fighting devices (4) are respectively arranged at two sides of the circular through hole (36).
7. The multifunctional integrated vertically stationary test rig according to claim 6, wherein: the cross section of a fluid channel in the spray head (41) is rectangular, the cross section of the fluid channel is gradually enlarged along the water outlet direction, the outlet of the spray head (41) is a large port of the flow channel, and 3-6 spray heads (41) are arranged.
8. The multifunctional integrated vertically stationary test rig according to claim 7, wherein: the connection modes between every two of the bottom plate (31), the two rib plates (33) and the mounting plate (32) are all welded; the annular chassis (11), the fixed disc (13) and the supporting columns (12) are connected by welding; the rectangular platform (21), the rectangular rib plates (22) and the upright posts (23) are all welded in a connection mode; the command gas standard joint (53), the cooling water outlet joint (63) and the recovery joint are all directly connected by adopting 37-degree standard welding of DN 4.
9. The multifunctional integrated vertically stationary test rig according to claim 8, wherein: the pressure of the instruction air source introduced into the second supply source connector (52) is 0.8MPa-4 MPa.
10. The multifunctional integrated vertically stationary test rig according to claim 8, wherein: the plate surfaces of the two rib plates (33) are in a right-angle triangular shape, and lightening holes are formed in the two rib plates (33).
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| CN202010759257.0A CN111896235B (en) | 2020-07-31 | 2020-07-31 | Multifunctional integrated vertical fixed test bench |
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| CN202010759257.0A CN111896235B (en) | 2020-07-31 | 2020-07-31 | Multifunctional integrated vertical fixed test bench |
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| CN111896235A CN111896235A (en) | 2020-11-06 |
| CN111896235B true CN111896235B (en) | 2021-07-20 |
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Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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