CN110686912A

CN110686912A - Land test platform

Info

Publication number: CN110686912A
Application number: CN201910865565.9A
Authority: CN
Inventors: 朱江森; 王宝宝; 郭艳茹; 孟华; 李熙; 叶建; 程用泉; 张振江
Original assignee: Wuhan Marine Machinery Plant Co Ltd
Current assignee: Wuhan Marine Machinery Plant Co Ltd
Priority date: 2019-09-12
Filing date: 2019-09-12
Publication date: 2020-01-14

Abstract

The invention discloses a land test platform, and relates to the field of test benches. During the test, the device to be tested presses the water in the ballast tank into the simulation tank, the pressure of the simulation tank is increased, so that the water is pressed into the test tube through the water inlet, and the thrust is provided for the accelerated motion of the simulation test object. The simulated test object accelerates along the test tube along with the water flow, and the stage simulates the process of the test object moving in the test tube. And (3) ejecting the simulation test object from the second end of the test pipe, enabling the simulation test object to enter the ballast tank and perform inertia sliding in the ballast tank, and simulating the free sliding process of the simulation test object entering the open water at the stage so as to test the performance parameters of the simulation test object.

Description

Land test platform

Technical Field

The invention relates to the field of test beds, in particular to a land test platform.

Background

In offshore vessels, a power plant is usually provided to accelerate the object from a standstill and finally to discharge the object at high speed for launching purposes.

In order to ensure the functions and performances of the power plant, before the power plant is put into use, the power plant is generally required to be subjected to test tests on various functional and performance parameters, such as thrust performance, control performance, wear resistance, corrosion resistance and the like. Accurate test data of the functional and performance parameters generally needs to be carried out in a real ship environment, the test is troublesome, and the subsequent optimization and improvement are inconvenient.

Disclosure of Invention

The embodiment of the invention provides a land test platform which can simulate a real ship environment and carry out function and performance tests of a test device on land. The technical scheme is as follows:

the application discloses land test platform, this land test platform includes: a water tank, a test tube and a simulation test object.

The water tank is internally provided with a clapboard assembly used for dividing the water tank into a simulation tank and a ballast tank, the clapboard assembly is provided with a pressurization port communicated with the simulation tank and the ballast tank, and the ballast tank is internally provided with a device to be tested installation structure; the test tube is located in the water tank, the first end of the test tube is fixed in the simulation cabin, the second end of the test tube is fixed in the ballast tank, the end head of the first end of the test tube is closed, and the side wall of the first end of the test tube is provided with a water inlet.

Optionally, the land based test platform further comprises a guide rail connected to an inner wall of the test tube, the guide rail extending from the first end of the test tube to outside the second end of the test tube, the simulation test object being slidable along the guide rail.

Optionally, the land test platform further comprises a slide pipe, the slide pipe is located outside the water tank, one end of the slide pipe is communicated with the ballast tank, the slide pipe is coaxial with the test pipe and located at the second end of the test pipe, and the inner diameter of the slide pipe is larger than that of the test pipe.

Optionally, the land test platform further includes a receiving pipe, the receiving pipe is coaxial with the sliding pipe, the other end of the sliding pipe is connected to one end of the receiving pipe, the other end of the receiving pipe is closed, the receiving pipe is a tapered pipe, and an inner diameter of one end of the receiving pipe close to the sliding pipe is larger than an inner diameter of one end of the receiving pipe far away from the sliding pipe.

Optionally, the guide rail extends into the receiving tube.

Optionally, the guide rails are multiple, and the multiple guide rails are uniformly arranged along the circumferential direction of the test tube.

Optionally, the water tank is a cylinder, the baffle assembly comprises a longitudinal baffle, a lower baffle and an upper baffle, the longitudinal baffle is opposite to the inner side end face of the water tank, the outer edge of the longitudinal baffle is connected with the inner side wall of the water tank, the upper baffle and the lower baffle are arranged at the same side of the longitudinal baffle at intervals, the upper baffle and the lower baffle are connected with the longitudinal baffle, the inner side end face of the water tank and the inner side wall of the water tank, and the upper baffle, the lower baffle, the inner side end face of the water tank, the longitudinal baffle and the inner side wall of the water tank are enclosed to form the simulation tank.

Optionally, an outer wall of the first end of the test tube is provided with a first flange and a second flange, the first flange is welded and fixed with the inner side end face, and the second flange is welded and fixed with the longitudinal partition plate.

Optionally, the test tube the connecting hole has on the lateral wall, the fixed orifices has on the guide rail, the connecting piece passes the fixed orifices with the connecting hole is fixed the guide rail, the fixed orifices is the counter sink, the connecting piece includes the countersunk screw, the countersunk screw installation is gone into the counter sink.

Optionally, the connecting piece further includes a first sleeve, the first sleeve is in interference fit with the fixing hole of the guide rail, and a part of the first sleeve is located in the connecting hole of the connecting pipe.

The technical scheme provided by the embodiment of the invention has the beneficial effects that at least:

during the test, the device to be tested presses the water in the ballast tank into the simulation tank, the pressure of the simulation tank is increased, so that the water is pressed into the test tube through the water inlet, and the thrust is provided for the accelerated motion of the simulation test object. The simulated test object accelerates along the test tube along with the water flow, and the stage simulates the process of the test object moving in the test tube. The simulation test object is ejected from the second end of the test tube, enters the ballast tank and glides in the ballast tank in an inertia mode, and the process that the simulation test object slides freely when entering the open water area is simulated at the stage, so that performance parameters of the simulation test object can be tested, the requirement for a real marine environment is met, and the test is more convenient.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only one embodiment of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a schematic axial view of a land test platform according to an embodiment of the present invention;

FIG. 2 is a cross-sectional view of a top view of a land test platform according to an embodiment of the present invention;

FIG. 3 is a cross-sectional view of a front view of a water tank provided by an embodiment of the present invention;

FIG. 4 is a schematic view of an assembly of a test tube according to an embodiment of the present invention;

FIG. 5 is a schematic partial cross-sectional view of a test tube according to an embodiment of the present invention;

FIG. 6 is a schematic view of an assembly of a slide tube according to an embodiment of the present invention;

FIG. 7 is a schematic view of an assembled receiver tube according to an embodiment of the present invention;

fig. 8 is a partial cross-sectional view of a receiver tube according to an embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 is a schematic axial view of a land test platform according to an embodiment of the present invention; as shown in fig. 1, the onshore test platform comprises a water tank 100, a test tube 200 and a simulation test object 2.

Fig. 2 is a sectional view of a top view of an onshore test platform according to an embodiment of the present invention, as shown in fig. 2, a water tank 100 is provided with a diaphragm assembly 110 for dividing the water tank 100 into a ballast tank 102 and a simulation tank 101, the diaphragm assembly 110 is provided with a pressurizing port for communicating the simulation tank 101 and the ballast tank 102, and the ballast tank 102 is provided with a structure to be tested. The test tube 200 is positioned in the water tank 100, a first end 201 of the test tube 200 is fixed in the simulation chamber 101, a second end 202 of the test tube 200 is fixed in the ballast chamber 102, the first end 201 of the test tube 200 is closed, and a water inlet 203 is formed in the side wall of the first end 201 of the test tube 200.

In the test, the device to be tested 1 presses the water in the ballast tank 102 into the simulation chamber 101 through the pressurizing port, and the pressure in the simulation chamber 101 is increased to press the water into the test tube 200 through the water inlet 203, thereby providing a thrust force for the accelerated motion of the simulation test object 2. Simulating the acceleration of the test object 2 along the test tube 200 with the water flow simulates the process of the accelerated motion of the test object 2 in the test tube 200. The simulated test object 2 is ejected from the second end 202 of the test tube 200, the simulated test object 2 enters the ballast tank 102 and is free-wheeling in the ballast tank 102, and the stage simulates the free-wheeling process of the simulated test object 2 in open water so as to test the performance parameters of the simulated test object.

In practice, the dummy can be a structure that simulates the material and shape of an actual tool, for example, for a harpoon launcher, the dummy can be a metal structure having the shape of a harpoon.

Optionally, the land based test platform further comprises a guide rail 500, the guide rail 500 is connected with the inner wall of the test tube 200, the guide rail 500 extends from the first end of the test tube 200 to the outside of the second end 202 of the test tube 200, the simulation test object 2 is slidably mounted on the guide rail 500, and the guide rail 500 can provide guidance and support for the movement of the simulation test object 2.

Optionally, the onshore test platform further comprises a slide pipe 300, the slide pipe 300 is located outside the water tank 100, one end of the slide pipe 300 is communicated with the ballast tank 102, the slide pipe 300 is coaxial with the test pipe 200 and located at the second end of the test pipe 200, and the inner diameter of the slide pipe 300 is larger than that of the test pipe 200.

The sliding tube 300 is coaxial with the test tube 200, so that the simulation test object 2 can smoothly enter the sliding tube 300 after being ejected from the second end of the test tube, and the inner diameter of the sliding tube 300 is larger than that of the test tube 200, so that the inner wall of the sliding tube 300 is far away from the simulation test object 2, and the process that the simulation test object 2 freely slides in an open water area can be simulated. Meanwhile, the sliding pipe 300 is positioned outside the water tank 100, so that the length of the water tank in the motion direction of the simulation test object can be effectively reduced, the size of the land test platform is reduced, and the water consumption of the land test platform is further reduced.

The land test platform further comprises a receiving pipe 400, the receiving pipe 400 is coaxial with the sliding pipe 300, the other end of the sliding pipe 300 is connected with one end of the receiving pipe 400, the other end of the receiving pipe 400 is closed, the receiving pipe 400 is a conical pipe, and the inner diameter D1 of one end, close to the sliding pipe 300, of the receiving pipe 400 is larger than the inner diameter D2 of one end, far away from the sliding pipe 300, of the receiving pipe 400.

The simulation test object 2 enters the receiving pipe 400 through the other end of the sliding pipe 300, the receiving pipe 400 is a conical pipe due to the fact that the other end of the receiving pipe 400 is closed, the diameter of one end, close to the sliding pipe 300, of the receiving pipe 400 is larger than that of one end, far away from the sliding pipe 300, of the receiving pipe 400, and resistance borne by the simulation test object 2 is increased as the simulation test object 2 penetrates into the receiving pipe 400. Therefore, the receiver tube 400 can provide a braking force to brake the simulation test object 2 from a sliding state, and avoid a rigid collision between the simulation test object 2 and the tube wall.

In practical use, the side wall of the first end 201 of the test tube 200 is provided with the water inlet 203, one end of the sliding tube 300 is in butt joint with the water tank 100, and the other end of the sliding tube 300 is connected with one end of the receiving tube 400, so that the water tank 100, the test tube 200, the sliding tube 300 and the receiving tube 400 form a circulating water channel, water flow caused in the motion of the simulated test object 2 circularly flows in the test platform, and the test platform has a self-water-replenishing function.

Optionally, guide rails 500 extend into receiver tube 400 so that the movement of simulated test object 2 in test tube 200, receiver tube 300, and receiver tube 400 is guided and supported.

Alternatively, the guide rails 500 may be a plurality of guide rails 500, and the plurality of guide rails 500 are uniformly arranged along the circumferential direction of the test tube 200, so that the simulation test object 2 is guided and supported by the guide rails 500 in different directions, thereby ensuring that the simulation test object 2 keeps moving linearly.

Alternatively, the guide rail 500 may be a nylon guide rail to ensure that the guide rail 500 has suitable rigidity and good wear resistance.

Optionally, the water tank 100 is cylindrical, the diaphragm assembly 110 includes a longitudinal diaphragm 111, a lower diaphragm 112, and an upper diaphragm 113, the longitudinal diaphragm 111 is opposite to the inner end face of the water tank 100, the outer edge of the longitudinal diaphragm 111 is connected to the inner side wall 120 of the water tank 100, the upper diaphragm 113 and the lower diaphragm 112 are arranged on the same side of the longitudinal diaphragm 111 at intervals, the upper diaphragm 113 and the lower diaphragm 112 are both connected to the longitudinal diaphragm 111, the inner end face of the water tank 100, and the inner side wall 120 of the water tank 100, and the upper diaphragm 113, the lower diaphragm 112, the inner end face of the water tank 100, the longitudinal diaphragm 111, and the inner side wall 120 of the water tank 100 enclose the simulation chamber 101. The water tank 100 except for the simulated tank 101 is a ballast tank 102. The space size of the simulation cabin can be ensured to be proper by arranging the upper partition plate 113 and the lower partition plate 112, so that the water pressed into the simulation cabin by the device to be tested 1 can be ensured to bring sufficient water pressure, and the simulation test object 2 can obtain sufficient thrust.

Fig. 3 is a sectional view of a front view of a water tank according to an embodiment of the present invention. In some embodiments, as shown in fig. 3, the water tank 100 is cylindrical, and the water tank 100 includes a front end surface 131 and a rear end surface 141 of the cylindrical inner side wall 120. The front end 131 is connected to one end of the inner sidewall 120, and the rear end 141 is connected to the other end of the inner sidewall 120, so that the sump 100 forms a closed whole. A baffle plate assembly 110 is secured within the water tank 100 to divide the water tank 100 into a mock space 101 and a ballast space 102.

Optionally, the outer edge of the front end face 131 and the inner side wall 120, and the outer edge of the rear end face 141 and the inner side wall 120 may be subjected to bilateral penetration welding, so that the welding quality is ensured, and leakage is avoided.

Optionally, an annular T-shaped rib plate 121 is welded on the inner side of the inner side wall 120, and the T-shaped rib plates 121 are arranged at equal intervals to reinforce the rigidity and strength of the inner side wall 120.

In some embodiments, the front face 131 has a cross rib plate 132, a longitudinal T-shaped rib 133 and an inner panel 134 on a side thereof adjacent to the inner side wall 120. The inner panel 134 is disposed in parallel with the front face 131, and the cross rib 132 is fixed between the front face 131 and the inner panel 134 for connecting the front face 131 and the inner panel 134. The vertical T-shaped rib 133 is annular, the inner edge of the vertical T-shaped rib 133 is connected with the inner panel 134, and the outer edge of the vertical T-shaped rib 133 is connected with the inner side wall 120. The front face 131 has a mounting interface for connection to the end of the slide tube 300.

Optionally, the side of the front face 131 remote from the inner side wall 120 has a cover plate 135 and a cover flange 136. Mounting holes are formed in the front end face 131 and the inner panel 134, and the cover flange 136 penetrates through the mounting holes in the front end face 131 and the inner panel 134 and is welded with a single-side groove. The cover 135 is detachably connected to the cover flange 136 by means of bolts, so that the operator and the device 1 to be tested can enter the water tank 100. If desired, an O-ring may be added between the capping plate 135 and the capping flange 136 to ensure that the seal does not leak.

In some embodiments, a plurality of longitudinal T-shaped ribs 142 are longitudinally arranged on the rear end surface 141 at intervals in parallel, two ends of the longitudinal T-shaped ribs 142 are connected to the inner side wall 120, and a plurality of transverse T-shaped ribs 143 are respectively fixed between the longitudinal T-shaped ribs 142 or between the longitudinal T-shaped ribs 142 and the inner side wall 120, so as to increase the rigidity of the rear end surface 141.

Alternatively, the rear face 141 may be provided with a mounting hole as a mounting interface of the test tube 200.

In some embodiments, the longitudinal partition 111 of the partition assembly 110 is opposite to the rear end face 141 of the water tank 100, the outer edge of the longitudinal partition 111 is connected to the inner side wall 120, the upper partition 113 and the lower partition 112 are arranged on the same side of the longitudinal partition 111 at intervals, and the sides of the upper partition 113 and the lower partition 112 are welded to the rear end face 141, the longitudinal partition 111 and the inner side wall 120. The upper bulkhead 113, the lower bulkhead 112, the rear end face 141, the vertical bulkhead 111, and the inner wall 120 form a closed space therebetween as the simulation chamber 101. The water tank 100 except for the simulated tank 101 is a ballast tank 102.

Optionally, the diaphragm assembly 110 further includes lower T-shaped ribs 114 and upper T-shaped ribs 115. Two ends of the lower T-shaped rib 114 and the upper T-shaped rib 115 are respectively welded with the rear end face 141 and the longitudinal partition 111, so that the rigidity of the rear end face 141 and the longitudinal partition 111 is enhanced.

Optionally, the partition board assembly 110 further includes longitudinal T-shaped longitudinal ribs 116 and longitudinal T-shaped transverse ribs 117, the longitudinal T-shaped longitudinal ribs 116 are longitudinally arranged on the longitudinal partition board 111 in parallel at intervals, two ends of the longitudinal T-shaped longitudinal ribs 116 are connected with the inner side wall 120, and the longitudinal T-shaped transverse ribs 117 are respectively fixed between the longitudinal T-shaped longitudinal ribs 116 or between the longitudinal T-shaped longitudinal ribs 116 and the inner side wall 120, so as to increase the rigidity of the longitudinal partition board 111.

Optionally, the longitudinal partition 111 has a mounting interface for mounting the test tube 200 and a pressurization port for pressurizing the water of the ballast tank 102 into the simulation tank 101.

In some embodiments, the tank 100 further comprises a lower pedestal 150 and an upper pedestal 160 fixed relatively to the inner side wall 120 of the loading tank, and the device to be tested 1 is fixed between the lower pedestal 150 and the upper pedestal 160.

Optionally, the side of the lower support 150 opposite to the upper support 160 is welded to the inner side wall 120, and a bolt mounting hole is formed in the surface of the side of the lower support 150 opposite to the upper support 160 to serve as a mounting interface of a certain device to be tested 1; the mounting mode of bolt locking is convenient for change different installation interfaces to the model of the device 1 that treats of adaptation difference.

In some embodiments, the outer side of the inner side wall 120 has a plurality of saddle assemblies 170, the saddle assemblies 170 are welded to the outer side of the inner side wall 120 at equal intervals, and the bottoms of the saddle assemblies 170 are connected to the foundation by bolts, so that the water tank 100 is stably placed on the foundation.

The test tube 200 penetrates the water tank 100 in the length direction, a first end 201 of the test tube 200 is fixed to the inner end face by welding via a flange 210, and a second end 202 of the test tube 200 is fixed in the ballast tank 102 via a bracket 220.

Fig. 4 is an assembly diagram of a test tube according to an embodiment of the present invention. In some embodiments, as shown in fig. 4, the outer wall of the first end 201 of the test tube 200 has a first flange 211 and a second flange 212, the first flange 211 is welded to the rear end face 141, and the second flange 212 is welded to the longitudinal partition 111, so as to fix the first end 201 of the test tube 200 in the simulation chamber 101.

Optionally, the first flange 211 and the second flange 212 are both circular rings, the rear end face 141 and the longitudinal partition 111 have mounting holes matching with the circular rings, and the outer circular surfaces of the circular rings are welded and fixed with the inner circular surfaces of the mounting holes.

The second end 202 of the test tube 200 is bolted to the inner side wall 120 of the tank 100 by a bracket 220. The support 220 includes an upper support 221 and a lower support 222, and the upper support 221 and the lower support 222 are fastened by bolts to tighten the test tube 200 and provide support.

The test tube 200 is difficult to process due to its long length. Optionally, the test tube 200 may include a plurality of coaxially connected connection tubes 230 to reduce the difficulty of machining. The connecting pipes 230 are installed by flange butt joint and bolt locking. A reinforcing rib 231 is provided on an outer wall of the connection pipe 230 to ensure the strength of the connection pipe 230.

Fig. 5 is a schematic partial cross-sectional view of a test tube according to an embodiment of the present invention. Next, the installation of the guide rail 500 will be described by taking fig. 5 as an example. As shown in FIG. 5, the side wall of the test tube 200 has a connection hole 232, the guide rail 500 has a fixing hole 510, and a connector 520 passes through the fixing hole 510 and the connection hole 232 to fix the guide rail 500, so that the guide rail 500 is tightly adhered to the tube wall.

Optionally, to avoid the protrusion of the screw head of the countersunk-head screw 523, affecting the water flow in the test tube 200.

Optionally, the connector 520 further comprises a first sleeve 522, the first sleeve 522 is in interference fit with the fixing hole 510 of the rail 500, and a portion of the first sleeve 522 is located in the connecting hole 232 of the connecting pipe 230, so as to position the installation of the rail 500.

Optionally, the connecting member 520 further includes a boss 521, the boss 521 is welded to the outer wall of the connecting pipe 230, and the boss 521 has a through hole corresponding to the connecting hole 232. The surface of the boss 521 on the side away from the connecting pipe 230 is flat to better fit the surface of the nut, and the boss 521 can increase the wall thickness of the connecting part, thereby increasing the stability of the connection.

Optionally, the connecting member 520 further comprises a second sleeve 524, the second sleeve 524 being fixed in the through hole of the boss 521, the second sleeve 524 being internally threaded so as to cooperate with the countersunk screw 523 to fix the rail 500. The thread is processed on the second sleeve 524, so that the influence of welding deformation on thread assembly when the boss 521 is welded can be avoided.

Fig. 6 is an assembly schematic view of a slide pipe according to an embodiment of the present invention. As shown in fig. 6, one end of the sliding pipe 300 is welded to the mounting interface of the front end face 131 of the water tank 100, and the other end of the sliding pipe 300 includes an elliptical head 301 and a docking flange 302, and the docking flange 302 is used for connecting with the receiving pipe 400. The end with the larger diameter of the cross section of the elliptical seal head 301 is in butt welding with the sliding pipe 300, the end with the smaller diameter of the cross section of the elliptical seal head 301 is opened in the middle, and a butt flange 302 is installed.

The slide tube 300 has a rail support assembly 310 and a rail 500 fixed to the rail support assembly 310 inside, one end of the rail 500 is connected to the rail 500 of the test tube 200, and the other end of the rail 500 is connected to the rail 500 receiving the tube 400.

Optionally, the rail support assembly 310 includes a support 312 and a rail plate 313. The rail plate 313 is connected to the sidewall of the slide pipe 300 by means of the support 312, and the rail 500 is fastened to the rail plate 313 by means of bolts. The fixing manner of the guide rail 500 to the guide rail support assembly 310 may be the same as the fixing manner of the guide rail 500 to the test tube 200.

Alternatively, the support 312 may be a channel steel. Four groups are uniformly distributed in the circumferential direction and four groups are uniformly distributed in the length direction so as to ensure the uniform fixation of the guide rail 500 and further ensure the straightness of the guide rail 500.

Optionally, the rail plate 313 is welded to the channel steel by a circular plate 314 to facilitate adjustment of the straightness of the rail plate 313.

Optionally, a support saddle 320 is welded on the outer wall of the sliding pipe 300, and the bottom of the support saddle 320 is connected with a foundation bolt to ensure that the sliding pipe 300 is stably placed on the foundation.

Fig. 7 is an assembly view of a receiving pipe according to an embodiment of the present invention. As shown in fig. 7, the other end of the slide tube 300 is connected to one end of the receiving tube 400, the other end of the receiving tube 400 is closed, the receiving cavity of the receiving tube 400 has a tapered cross section in the axial direction, and the inner diameter D1 of the end of the receiving tube 400 close to the slide tube 300 is larger than the inner diameter D2 of the end of the receiving tube 400 far from the slide tube 300. Receiving tube 400 is bolted to the foundation by a conical section bracket assembly 410, ensuring that the receiving tube 400 assembly rests stably on the foundation.

Optionally, the conic section bracket assembly 410 comprises a conic section upper bracket 411 and a conic section lower bracket 412, and the conic section upper bracket 411 and the conic section lower bracket 412 are fastened by bolts to tighten the receiving pipe 400; the bottom of the cone section lower support 412 is connected with a foundation bolt.

Receiver tube 400 of embodiments of the present invention may comprise multiple segments of tubing that are removably connected coaxially. For example, as shown in fig. 7, the receiving tube 400 includes a front cone segment tube 420, a middle cone segment tube 430, and a rear cone segment tube 440. The front cone section pipe 420, the middle cone section pipe 430 and the end cone section pipe 440 are positioned by adopting a spigot, butted by flanges and locked and installed by adopting bolts.

Optionally, the cone support assembly 410 is mounted at the interface of the front cone tube 420, the middle cone tube 430, and the end cone tube 440.

Fig. 8 is a partial cross-sectional view of a receiver tube according to an embodiment of the present invention. The assembly of the front cone 420 will now be described with reference to fig. 8. The front cone segment pipe 420 comprises a cone pipe wall 421, a connecting plate 422 and a guide rail fixing plate 423. The connecting plate 422 is welded on the inner side of the conical tube wall 421, and the guide rail fixing plate 423 is welded with the connecting plate 422 in a plug welding manner. The guide rail 500 is fixed to the guide rail fixing plate 423. The fixing manner of the guide rail 500 to the guide rail fixing plate 423 may be the same as the fixing manner of the guide rail 500 to the test tube 200, and will not be described again.

And a connecting flange 424 is welded on the outer side of the end part of the conical pipe wall 421 and is used for butt-joint assembly with other conical section pipes.

The invention is not to be considered as limited to the particular embodiments shown and described, but is to be understood that various modifications, equivalents, improvements and the like can be made without departing from the spirit and scope of the invention.

Claims

1. An onshore test platform, comprising:

a water tank (100), wherein a clapboard assembly (110) used for dividing the water tank (100) into a simulation tank (101) and a ballast tank (102) is arranged in the water tank (100), the clapboard assembly (110) is provided with a pressurization port communicating the simulation tank (101) and the ballast tank (102), and a device to be tested installation structure is arranged in the ballast tank (102);

the test tube (200) is positioned in the water tank (100), a first end (201) of the test tube (200) is fixed in the simulation cabin (101), a second end (202) of the test tube (200) is fixed in the ballast tank (102), the first end (201) of the test tube (200) is closed in end, and a water inlet (203) is formed in the side wall of the first end (201) of the test tube (200); and a mock test (2).

2. The on-land test platform of claim 1, further comprising a guide rail (500), the guide rail (500) being connected to an inner wall of the test tube (200), the guide rail (500) extending from a first end of the test tube (200) to outside a second end (202) of the test tube (200), the simulation test object (2) being slidably mounted on the guide rail (500).

3. The test platform on land of claim 2, further comprising a glide pipe (300), the glide pipe (300) being located outside the water tank (100), one end of the glide pipe (300) being in communication with the ballast tank (102), the glide pipe (300) being coaxial with the test pipe (200) and located at the second end of the test pipe (200), the glide pipe (300) having an inner diameter larger than the inner diameter of the test pipe (200).

4. The land test platform as claimed in claim 3, further comprising a receiving pipe (400), wherein the receiving pipe (400) is coaxial with the sliding pipe (300), the other end of the sliding pipe (300) is connected with one end of the receiving pipe (400), the other end of the receiving pipe (400) is closed, the receiving pipe (400) is a tapered pipe, and the inner diameter of the receiving pipe (400) at the end close to the sliding pipe (300) is larger than the inner diameter of the receiving pipe (400) at the end far from the sliding pipe (300).

5. The land based test platform of claim 4, wherein the guide rail (500) extends into the receiving tube (400).

6. The test platform of claim 4, wherein the guide rails (500) are a plurality of guide rails (500), and a plurality of the guide rails (500) are uniformly arranged along the circumference of the test tube (200).

7. A land based test platform according to any of the claims 2-6, the water tank (100) is cylindrical, the clapboard component (110) comprises a longitudinal clapboard (111), a lower clapboard (112) and an upper clapboard (113), the longitudinal partition plate (111) is opposite to the end surface of the inner side of the water tank (100), the outer edge of the longitudinal partition plate (111) is connected with the inner side wall (120) of the water tank (100), the upper partition plate (113) and the lower partition plate (112) are arranged on the same side of the longitudinal partition plate (111) at intervals, the upper clapboard (113) and the lower clapboard (112) are connected with the longitudinal clapboard (111), the end surface of the inner side of the water tank (100) and the inner side wall (120) of the water tank (100), the simulation cabin (101) is enclosed by the upper partition plate (113), the lower partition plate (112), the end face of the inner side of the water cabin (100), the longitudinal partition plate (111) and the inner side wall (120) of the water cabin (100).

8. The test platform of claim 7, wherein the outer wall of the first end (201) of the test tube (200) has a first flange (211) and a second flange (212), the first flange (211) being welded to the inboard end face and the second flange (212) being welded to the longitudinal partition (111).

9. The test platform of any one of claims 2 to 6, wherein the side wall of the test tube (200) has a connection hole (232), the rail (500) has a fixing hole (510), a connector (520) passes through the fixing hole (510) and the connection hole (232) to fix the rail (500), the fixing hole (510) is a countersunk hole, and the connector (520) comprises a countersunk screw (523), and the countersunk screw (523) is installed into the countersunk hole.

10. The test platform of claim 9, wherein the connector (520) further comprises a first sleeve (522), the first sleeve (522) having an interference fit with the fixed bore (510) of the rail (500), a portion of the first sleeve (522) being located within the coupling bore (232) of the coupling tube (230).