CN217534506U

CN217534506U - Linear underwater test bed

Info

Publication number: CN217534506U
Application number: CN202221249782.9U
Authority: CN
Inventors: 李维珏; 李发志; 高振志
Original assignee: Zhejiang Dongming Technology Co ltd
Current assignee: Zhejiang Dongming Technology Co ltd
Priority date: 2022-05-23
Filing date: 2022-05-23
Publication date: 2022-10-04
Anticipated expiration: 2032-05-23

Abstract

The utility model discloses a orthoscopic underwater test platform relates to the ocean and equips technical field, and it is poor to aim at solving the synchronism that the underwater equipment removed, has the data deviation, needs manual correction rope cable many times in the use, leads to the problem that operating efficiency is low, and its technical scheme main points are: the device comprises a rack, a moving platform, a driving mechanism, two groups of wire drums and a rope, wherein a guide rail for the linear motion of the moving platform is installed on the rack along the length direction, guide wheels are rotatably connected to two ends of the rack, and the two groups of wire drums are coaxially installed on the middle section of the rack through a main shaft and driven by the driving mechanism to realize homodromous rotation; the two groups of ropes are respectively wound on the two groups of thread drums, and the winding directions are opposite; the two groups of ropes extend towards the two ends of the guide rail respectively and are connected with the two ends of the mobile platform respectively by bypassing the guide wheels. The utility model discloses a same actuating mechanism drives rotatoryly to two sets of line section of thick bamboo, can keep the synchronism that both sides rope cable receive and releases the roll, has improved the linear drive stability of test bench.

Description

Linear underwater test bed

Technical Field

The utility model relates to a marine equipment technical field, more specifically say, it relates to a orthoscopic test bench under water.

Background

The continuous exploration of the ocean by human beings currently enables a plurality of underwater equipment to be operated. In the field of ocean research, various movable equipment platforms are often needed to bear various underwater equipment, the motion of the underwater equipment is controlled through the movement of the equipment platforms, and the device has important significance in developing the research on the motion performance of the underwater equipment and improving the performances of concealment, mobility and the like of the underwater equipment.

The traditional underwater test bed generally uses a motor to drive an underwater device to test, taking a linear moving platform as an example, a driving device generally adopts two motors, and the two motors are controlled to drive a rope cable to pull the moving platform from two sides, so that the underwater device is ensured to move at a constant speed; in the use, need keep two motors with fast, the backward motion, just can keep the uniformity that both sides rope unreeled and the rolling, just can keep the operation of moving platform stability.

However, in the actual operation process, the synchronous action of the two motors cannot be ensured, certain rotation speed fluctuation can be generated in the working process, the winding and unwinding lengths of the ropes on the two sides are caused to generate difference values, interference is generated on the action of the mobile platform, the accuracy of data obtained in the test is influenced, the running stability is poor, the ropes need to be manually corrected for many times in the use process, and the running efficiency is low.

Therefore, a new solution is needed to solve this problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve the above-mentioned problem and provide a orthoscopic test bench under water, the test bench is at the removal in-process, and the cable of both sides can realize stable receipts and unreel, has good synchronism, need not to carry out manual correction and adjusts, has improved the efficiency of equipment operation.

The above technical object of the present invention can be achieved by the following technical solutions: a linear underwater test bed comprises a rack, a moving platform, a driving mechanism, two groups of wire drums and a rope, wherein a guide rail for the moving platform to move linearly is installed on the rack along the length direction, guide wheels are rotatably connected to two ends of the rack, the two groups of wire drums are coaxially installed on the middle section of the rack through a main shaft, and are driven by the driving mechanism to rotate in the same direction; the two groups of ropes are respectively wound on the two groups of thread drums, and the winding directions are opposite; the two groups of ropes extend towards the two ends of the guide rail respectively and are connected with the two ends of the moving platform respectively by bypassing the guide wheels.

The utility model is further arranged in that the main shaft is rotationally connected with the frame through the bracket, and the output end of the driving mechanism is connected with the main shaft; the main shaft penetrates through shaft holes of the two groups of wire drums and realizes one-way transmission through the ratchet wheel assemblies respectively, and the transmission directions of the ratchet wheel assemblies are opposite.

The utility model discloses further set up as, a terminal surface of line section of thick bamboo sets up the ratchet groove that is used for holding ratchet subassembly, ratchet subassembly includes ratchet seat, ratchet thorn and a plurality of ratchet dogtooth, the ratchet dogtooth evenly distributes in ratchet groove inner periphery, ratchet seat fixed mounting is in the main shaft, the ratchet thorn articulates in ratchet seat, and the outward swing of ratchet thorn can offset with the ratchet dogtooth, realizes ratchet drive, and the inward swing of ratchet thorn can separate with the ratchet dogtooth, realizes that the ratchet skids; the two groups of ratchet wheel components are arranged in opposite directions.

The utility model is further arranged that two connecting blocks are fixed on one side of the periphery of the ratchet seat, the ratchet thorn is hinged in a limiting groove between the two connecting blocks, and a limiting stop block is fixedly connected on one side of the limiting groove back to the transmission direction of the ratchet thorn; the ratchet thorn rotates outwards to a position abutting against the limit stop block, and the ratchet thorn is matched with the ratchet with the convex teeth.

The utility model discloses further set up to, the ratchet thorn sets up spacing arch towards the both sides of outer end, when the ratchet thorn was to the internal rotation, limit stop offset with the connecting block, and it is spacing to realize the internal rotation.

The utility model discloses further set up to, the main shaft has the square shaft section that is used for installing the ratchet seat, be provided with the mounting hole with square shaft section adaptation in the ratchet seat.

The utility model discloses further set up to, set up the baffle between two sets of line section of thick bamboo, the baffle sets up in the main shaft periphery for two sets of line section of thick bamboo terminal surfaces are led smoothly.

The utility model discloses further set up to, the frame is for having a accommodation space's frame construction, the frame includes a plurality of crossbeams and a plurality of stand, and each crossbeam and stand are violently indulged the staggered connection and are formed frame construction.

The utility model is further arranged in that the number of the guide rails is two and parallel to each other, and the inner sides of the guide rails are provided with chutes; and the two sides of the moving platform are rotatably provided with rollers matched with the sliding grooves.

The utility model is further arranged in that the mobile platform comprises a storage plate and two side plates, the two side surfaces are parallel to each other, and the storage plate is fixedly arranged on the two side plates; the outer sides of the two side plates are rotatably connected with two groups of rollers.

To sum up, the utility model discloses following beneficial effect has:

the two groups of wire drums are driven by the same driving mechanism, so that the winding of the cables on one side and the unwinding of the cables on the other side are realized at the same time, and the stability of the winding and unwinding of the cables is kept; the two wire drums are driven by the two sets of reverse ratchet assemblies, so that the ratchet assembly on one side is always kept to work in the forward and reverse rotation process of the driving mechanism, the ratchet assembly on the other side is separated and skidded, only one wire drum applying driving tension is driven, the wire drum on the other side is driven by the tension generated in the moving process of the moving platform, namely, the wire drum is not actively unreeled, the rope can be kept in a state of being tensioned all the time, the synchronism of the change of the ropes on the two sides is kept, the self-adaptive adjustment can be realized under the condition that the ropes are stretched and deformed in time, the manual correction and adjustment in the using process are not needed, and the operation reliability and efficiency of underwater equipment are improved.

Drawings

Fig. 1 is a schematic structural view of a linear underwater test bed of the present invention;

fig. 2 is a schematic structural diagram of a linear underwater test bed of the present invention;

fig. 3 is an exploded view of a linear underwater test bed according to the present invention;

fig. 4 is a perspective view of the ratchet assembly of the present invention;

fig. 5 is a cross-sectional view of the ratchet assembly of the present invention.

Reference numerals: 1. a frame; 2. a guide rail; 21. a chute; 3. a mobile platform; 31. a storage plate; 32. a side plate; 4. a roller; 5. a support; 6. a main shaft; 61. a baffle plate; 62. a square shaft section; 7. a motor; 8. a bobbin; 81. a rope; 82. a shaft hole; 9. a ratchet assembly; 91. a ratchet groove; 92. a ratchet seat; 93. mounting holes; 94. connecting blocks; 95. thorn wheel thorn; 96. a limiting groove; 97. a limit stop block; 98. ratchet wheel convex teeth; 99. a limiting bulge; 10. and (4) a guide wheel.

Detailed Description

The technical solutions 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 the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The embodiment discloses a linear underwater test bed, including frame 1, moving platform 3, actuating mechanism, two sets of line section of thick bamboo 8 and rope 81, moving platform 3 can follow 1 rectilinear movement of frame to drive two sets of line section of thick bamboo 8 and rope 81 through actuating mechanism and move, pull the regulation from both sides to moving platform 3, keep moving platform 3's mobility stability.

This frame 1 is frame construction, and frame 1 specifically includes a plurality of crossbeams and a plurality of stand, and each crossbeam and stand are violently indulged the cross-connect and are formed frame construction, have an accommodation space in frame construction to hold actuating mechanism and two sets of line section of thick bamboo 8 and rope 81.

A guide rail 2 for the linear motion of the moving platform 3 is arranged on the machine frame 1 along the length direction, and the moving platform 3 can do the linear motion along the guide rail 2. The number of the guide rails 2 is two, the guide rails are parallel to each other, and a sliding groove 21 is formed in the inner side of each guide rail 2; the mobile platform 3 comprises an object placing plate 31 and two side plates 32, the two side surfaces are parallel to each other, and the object placing plate 31 is fixedly arranged on the two side plates 32; the outside of two curb plates 32 all rotates and is connected with two sets of gyro wheels 4, through gyro wheel 4 and spout 21 adaptation to realize moving platform 3's straight line and lead smooth, can keep moving platform 3's stable slip.

Guide wheels 10 are rotatably connected to two ends of the rack 1, and the two groups of wire drums 8 are coaxially arranged at the middle section of the rack 1 through a main shaft 6 and driven by a driving mechanism to rotate in the same direction; the two groups of ropes 81 are respectively wound on the two groups of bobbins 8, and the winding directions are opposite; the two sets of ropes 81 extend to the two ends of the guide rail 2, and are connected to the two ends of the movable platform 3 by bypassing the guide wheels 10. The main shaft 6 is driven to rotate by the driving mechanism, the main shaft 6 can drive the two wire drums 8 to rotate, one wire drum 8 is wound, the other wire drum 8 is unwound, and the moving platform 3 can be kept to move linearly; and because two line section of thick bamboo 8 are by same actuating mechanism drive to can guarantee the synchronism that both ends were dragged at test device operation in-process under water, need not manual correction rope cable 81 in the process, improve the efficiency that rope cable 81 was dragged the in-process and was received and unreeled.

The bobbin 8 is arranged in a circular I shape, the inside of the bobbin is hollow, and a shaft hole 82 is formed in the middle of the bobbin 8. Two sets of line section of thick bamboo 8 pass through shaft hole 82 and install on main shaft 6, install the baffle 61 that polytetrafluoroethylene made between two sets of line section of thick bamboo 8, baffle 61 is fixed in main shaft 6 periphery, can fix a position two sets of line sections of thick bamboo 8 to the realization reduces rotatory friction, maintains that line section of thick bamboo 8 is stable smooth and easy rotatory.

The main shaft 6 is rotatably connected to the frame 1 through the bracket 5, the driving mechanism is a speed reducing motor 7, the output end of the speed reducing motor 7 is connected with the main shaft 6, and the main shaft 6 can be driven to rotate forwards and backwards through the speed reducing motor 7. The main shaft 6 passes through the shaft holes 82 of the two groups of wire drums 8 and realizes unidirectional transmission through the ratchet assemblies 9 respectively, and the transmission directions of the ratchet assemblies 9 are opposite.

When the main shaft 6 rotates forwards, the main shaft 6 realizes ratchet transmission with one bobbin 8 through the ratchet component 9, can wind the rope 81 and pull the moving platform 3; the ratchet wheel assembly 9 between the main shaft 6 and the other wire drum 8 is separated, so that relative slip is generated, and the wire drum 8 can be automatically unreeled under the pulling of the wire. Because the thread bobbin 8 is pulled by the moving platform 3 in the unwinding process, the rope 81 on the two sides can be always kept in a tensioned state, and the synchronism of winding and unwinding of the thread bobbins 8 on the two sides is kept.

One end surface of the wire barrel 8 is provided with a ratchet groove 91 for accommodating the ratchet assembly 9, and the ratchet assembly 9 comprises a ratchet seat 92, ratchet spines 95 and a plurality of ratchet convex teeth 98; ratchet dogtooth 98 evenly distributed is in ratchet groove 91 internal periphery, and ratchet seat 92 and ratchet thorn 95 are installed in the periphery of main shaft 6 to can realize the transmission between main shaft 6 and the line section of thick bamboo 8.

The ratchet seat 92 is fixedly installed on the main shaft 6, the main shaft 6 is provided with a square shaft section 62 for installing the ratchet seat 92, an installation hole 93 is formed in the ratchet seat 92, and the installation hole 93 is matched with the square shaft section 62, so that the ratchet seat 92 can be installed on the main shaft 6, and the rotation linkage between the main shaft 6 and the ratchet seat 92 is realized. The ratchet spine 95 is hinged to the ratchet seat 92, the ratchet spine 95 swings outwards and can abut against the ratchet convex teeth 98, so that ratchet transmission is realized, the ratchet spine 95 swings inwards and can be separated from the ratchet convex teeth 98, and the ratchet wheel is slipped; two sets of ratchet assemblies 9 set up opposite direction, at main shaft 6 just, the reversal in-process, can realize the drive to a line section of thick bamboo 8 to realize the drive to two line sections of thick bamboos 8 respectively.

Specifically, two connecting blocks can be fixed on one side of the periphery of the ratchet seat 92, and the ratchet spine 95 is hinged in the limiting groove 96 between the two connecting blocks 94, so that the ratchet spine 95 can keep smooth swing under the limiting support of the limiting groove 96. The limit groove 96 is fixedly connected with a limit stop 97 back to one side of the ratchet spine 95 in the transmission direction, the ratchet spine 95 rotates outwards to abut against the limit stop 97, and the ratchet spine 95 is matched with the ratchet of the ratchet convex teeth 98, so that abutting transmission between the main shaft 6 and the bobbin 8 can be realized.

The two sides of the outward end of the ratchet spine 95 are provided with limiting protrusions 99, when the ratchet spine 95 rotates inwards, the limiting stopper 97 abuts against the connecting block 94 to realize inward rotation limiting, so that the ratchet spine 95 can be kept to swing and adjust within a certain range, and the ratchet assembly 9 can be kept to smoothly realize abutting transmission and separation slipping in the forward and reverse rotation process.

One end of the rope 81 is connected with the left side of the moving platform 3, and the other end is connected with the bobbin 8 through the guide wheel 10, so that the moving platform 3 moves leftwards; one end of another rope 81 is connected with the right side of the moving platform 3, the other end of the other rope is connected with the thread cylinder 8 through the guide wheel 10, the purpose of right movement is achieved, and the stability of winding and unwinding the thread cylinder 8 and the rope 81 can be kept through the driving rotation of the driving mechanism.

When the movable platform 3 moves, the motor 7 is electrified to move forward to drive the spindle 6 to do forward rotation motion, because the two ratchet assemblies 9 are reversely arranged between the spindle 6 and the wire barrel 8, the first ratchet assembly 9 and the spindle 6 rotate in the same direction, the ratchet spines 95 of the ratchet assemblies 9 are clamped with the ratchet grooves 91 on the end surface of the wire barrel 8, the wire barrel 8 is driven by the ratchet assemblies 9 to do rotation motion, the wire barrel 8 realizes active motion, and the movable platform 3 is pulled to do linear motion. The second ratchet wheel component 9 is driven by the main shaft 6 to perform reverse rotation, the second ratchet wheel component 9 slips and plays a role in limiting the bobbin 8, the bobbin 8 performs rotary motion under the traction of the moving platform 3 to realize paying off, the bobbin 8 is considered to perform passive motion, the bobbin 8 can be pulled by the rope 81 on the other side to realize automatic unwinding, the unwinding amount and the winding amount are consistent, the all-time stability of winding and unwinding of the rope 81 can be kept, and manual calibration and adjustment of the rope 81 are not needed in the pulling process.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection not only limits in above-mentioned embodiment, and the fan belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A linear underwater test bed is characterized by comprising a rack (1), a moving platform (3), a driving mechanism, two groups of wire drums (8) and a cable (81), wherein a guide rail (2) for the moving platform (3) to move linearly is installed on the rack (1) along the length direction, guide wheels (10) are rotatably connected to two ends of the rack (1), the two groups of wire drums (8) are coaxially installed at the middle section of the rack (1) through a main shaft (6), and are driven by the driving mechanism to rotate in the same direction; the two groups of ropes (81) are respectively wound on the two groups of bobbins (8) and the winding directions are opposite; the two groups of ropes (81) extend towards the two ends of the guide rail (2) respectively and are connected with the two ends of the mobile platform (3) respectively by bypassing the guide wheel (10).

2. The linear underwater test bed according to claim 1, characterized in that the main shaft (6) is rotatably connected to the frame (1) through a bracket (5), and the output end of the driving mechanism is connected with the main shaft (6); the main shaft (6) penetrates through shaft holes (82) of the two groups of wire barrels (8) and respectively realizes one-way transmission through the ratchet wheel assemblies (9), and the transmission directions of the ratchet wheel assemblies (9) are opposite.

3. The linear underwater test bed according to claim 2, wherein one end face of the wire barrel (8) is provided with a ratchet groove (91) for accommodating the ratchet assembly (9), the ratchet assembly (9) comprises a ratchet seat (92), a ratchet spine (95) and a plurality of ratchet convex teeth (98), the ratchet convex teeth (98) are uniformly distributed on the inner periphery of the ratchet groove (91), the ratchet seat (92) is fixedly installed on the main shaft (6), the ratchet spine (95) is hinged to the ratchet seat (92), the ratchet spine (95) swings outwards and can abut against the ratchet convex teeth (98), ratchet transmission is achieved, the ratchet spine (95) swings inwards and can be separated from the ratchet convex teeth (98), and ratchet slipping is achieved; the two groups of ratchet wheel assemblies (9) are arranged in opposite directions.

4. The linear underwater test bed according to claim 3, wherein two ratchet spigots (95) are fixedly connected to one side of the periphery of the ratchet seat (92), the ratchet spigots (95) are hinged in a limiting groove (96) between the two connecting blocks (94), and a limiting stop block (97) is fixedly connected to one side, opposite to the transmission direction of the ratchet spigots (95), of the limiting groove (96); the ratchet thorn (95) rotates outwards to a position where the ratchet thorn abuts against the limit stop (97), and the ratchet thorn (95) is matched with the ratchet convex teeth (98) of the ratchet.

5. The linear underwater test bed as claimed in claim 4, wherein limiting protrusions (99) are arranged on two sides of the outward end of the ratchet thorn (95), and when the ratchet thorn (95) rotates inwards, the limiting stopper (97) abuts against the connecting block (94) to limit the inward rotation.

6. The linear underwater test bed according to claim 3, wherein the main shaft (6) is provided with a square shaft section (62) for mounting the ratchet seat (92), and a mounting hole (93) matched with the square shaft section (62) is formed in the ratchet seat (92).

7. The linear underwater test bed according to claim 2, wherein a baffle plate (61) is arranged between the two groups of wire cylinders (8), and the baffle plate (61) is arranged on the periphery of the main shaft (6) and used for guiding and sliding the end surfaces of the two groups of wire cylinders (8).

8. The linear underwater test bed as claimed in claim 1, wherein the frame (1) is a frame structure having a receiving space, the frame (1) comprises a plurality of beams and a plurality of columns, and the beams and the columns are connected in a criss-cross manner in a transverse and longitudinal direction to form the frame structure.

9. The linear underwater test bed as claimed in claim 1, wherein the number of the guide rails (2) is two and parallel to each other, and the inner side of the guide rails (2) is provided with a sliding groove (21); and rollers (4) matched with the sliding grooves (21) are rotatably arranged on two sides of the moving platform (3).

10. The linear underwater test bed according to claim 9, wherein the moving platform (3) comprises a storage plate (31) and two side plates (32), the two side surfaces are parallel to each other, and the storage plate (31) is fixedly installed on the two side plates (32); the outer sides of the two side plates (32) are rotatably connected with two groups of rollers (4).