CN217424660U

CN217424660U - Test platform for telescopic protective cover

Info

Publication number: CN217424660U
Application number: CN202221164453.4U
Authority: CN
Inventors: 马伯权; 陈菲; 许彬彬; 杨峥; 曲则阁; 周鑫
Original assignee: Shenzhen Technology University
Current assignee: Shenzhen Technology University
Priority date: 2022-05-16
Filing date: 2022-05-16
Publication date: 2022-09-13
Anticipated expiration: 2032-05-16

Abstract

The application provides a test platform for telescopic protection casing includes: the device comprises a rack, and a guide rail device, a clamping device, a traction device and a spray head device which are arranged on the rack; the guide rail device comprises two first guide rails which provide support and guide for the protective cover; the clamping device is used for clamping the fixed end of the protective cover; the traction device is used for driving the protective cover to stretch along the length direction of the protective cover, and the frame is provided with a sensor for detecting the stretching times of the protective cover; the sprayer device comprises an installation frame, a sprayer moving mechanism and a sprayer, wherein the sprayer is connected to the sprayer moving mechanism and used for spraying a test object towards the protective cover. The spray head of the test platform can be flexibly moved, the position and the speed of the spray head can be changed in real time along with time, the anti-slip cover can be dynamically sprayed or scraps can be sprayed, the real telescopic protective cover working environment can be simulated, the accuracy of a test result can be improved, and the protective performance of the protective cover can be more efficiently and accurately tested.

Description

Test platform for telescopic protective cover

Technical Field

The application relates to the technical field of mechanical test equipment, in particular to a test platform for a telescopic protective cover.

Background

The telescopic protective cover is an important functional component in a machine tool, and is a protective device designed based on a safety protection concept and used for protecting an operator and other functional components. The telescopic protective cover can play the roles of separating the inner space and the outer space of the machine tool and blocking chips and cutting fluid, so that whether the structure and the function of the protective cover normally influence the normal work of the machine tool or not can be directly influenced.

In prior art, also there is the device that tests telescopic protection casing, but this type of testing arrangement's design is still reasonable inadequately, and the practicality is relatively poor, for example it sprays or spouts the bits subassembly and can not remove in a flexible way to can't carry out the developments to antiskid cover and spray or spout the bits, lead to unable protection performance to the protection casing to carry out good test.

SUMMERY OF THE UTILITY MODEL

An object of the application is to provide a test platform for telescopic protection casing to solve shortcoming and not enough among the prior art.

The application discloses a test platform for telescopic protection casing includes: the device comprises a rack, and a guide rail device, a clamping device, a traction device and a spray head device which are arranged on the rack;

the protective cover is placed on the guide rail device, the guide rail device comprises two first guide rails, and the two first guide rails are symmetrically arranged along the width direction of the protective cover and extend along the length direction of the protective cover to provide support and guide for the protective cover;

the clamping device is used for clamping the fixed end of the protective cover; the traction device is connected to the movable end of the protective cover and used for driving the protective cover to stretch along the length direction of the protective cover, and a sensor is arranged on the rack and used for detecting the stretching times of the protective cover;

the shower nozzle device includes installation frame, shower nozzle moving mechanism and shower nozzle, the installation frame erect in the top of protection casing, shower nozzle moving mechanism sets up on the installation frame, the shower nozzle connect in on the shower nozzle moving mechanism, the shower nozzle be used for towards the protection casing sprinkles the test article.

In a preferred or optional embodiment, the traction device comprises a first screw rod, a screw rod supporting seat, a traction block and a first power source;

the first lead screw is extended along the length direction of the protective cover, two ends of the first lead screw are connected with the lead screw supporting seat through bearings, the lead screw supporting seat is fixed on the rack, one end of the traction block is in transmission connection with the first lead screw, the other end of the traction block is connected with the movable end of the protective cover, and the first power source is used for driving the first lead screw to rotate.

In a preferred or optional embodiment, the first power source includes a first servo motor and a first frequency converter, the first servo motor is fixed to the frame, an output end of the first servo motor is connected to an end of the first lead screw through a coupling, and the first frequency converter is electrically connected to the first servo motor.

In a preferred or optional embodiment, the spray head moving mechanism comprises a second screw rod and a second power source;

the second lead screw is followed the length direction of protection casing extends, its both ends pass through the bearing connect in the installation frame, the shower nozzle with the transmission of second lead screw is connected, the second power supply is used for the drive the second lead screw rotates.

In a preferred or optional embodiment, the second power source includes a second servo motor and a second frequency converter, the second servo motor is fixed to the mounting frame, an output end of the second servo motor is connected to an end of the second lead screw through a coupling, and the second frequency converter is electrically connected to the second servo motor.

In a preferred or optional embodiment, an auxiliary sliding rail is arranged on the mounting frame, the auxiliary sliding rail extends along the length direction of the protective cover, and the spray head is slidably connected to the auxiliary sliding rail.

In a preferable or optional embodiment, the guide rail device further includes two second guide rails, the two second guide rails extend along the width direction of the protective cover and are respectively disposed at two ends of the first guide rail, each of the second guide rails is slidably disposed with two guide rail sliders, and two ends of the first guide rail are mounted on the corresponding guide rail sliders.

In a preferred or optional embodiment, the clamping device comprises a support table and clamping pincers, the support table is fixedly mounted on the machine frame, a plurality of mounting grooves are formed in the support table at intervals, and the clamping pincers are arranged on the support table and connected with the mounting grooves through fasteners.

In a preferred or optional embodiment, the test platform for the retractable protective cover further comprises a liquid recovery device, wherein the liquid recovery device comprises a recovery tank, a liquid storage tank and a recovery pipe; the recycling groove set up in the frame and close to the protection casing, the recycling groove bottom is provided with the through-hole, the liquid reserve tank set up in by the frame, and through the recovery tube communicate in the through-hole.

In a preferred or optional embodiment, the liquid recovery device further comprises a water pump and a liquid outlet pipe, the water pump is arranged at the side part of the liquid storage tank, an input port of the water pump is communicated with the liquid storage tank, and an output port of the water pump is communicated with the spray head through the liquid outlet pipe.

The test platform provided by the embodiment of the application has the following beneficial effects:

1. overall structure reasonable in design, convenient and practical can simulate operating condition and test, through setting up draw gear and sensor test protection casing flexible number of times and whether have the disjointed phenomenon under different operating speed, sprays experimental or sprinkle the iron fillings experiment through the shower nozzle device, tests the protective properties of protection casing and whether have the leakage phenomenon.

2. The spray head can move flexibly, the position and the speed of the spray head can change in real time along with time, dynamic spraying or chip spraying can be carried out on the anti-skid cover, the real working environment of the telescopic protective cover is simulated, the accuracy of a test result is improved, and the protective performance of the protective cover is tested more efficiently and more accurately;

3. the guide rail device and the clamping device are ingenious in structural design, the space between the first guide rails can be flexibly adjusted to adapt to the protective covers with different width sizes, the mounting positions of the clamping pincers can be randomly adjusted to adapt to the protective covers with different width sizes, and the application range is wider;

4. be provided with liquid recovery device, can retrieve reuse to test liquid, reduce use cost, the feature of environmental protection is higher.

For a better understanding and implementation, the present application is described in detail below with reference to the accompanying drawings.

Drawings

FIG. 1 is a front view of a test platform according to an embodiment of the present application;

FIG. 2 is a schematic perspective view of a test platform according to an embodiment of the present disclosure (including a protective cover);

fig. 3 is a schematic perspective view of a rail apparatus according to an embodiment of the present application;

figure 4 is a schematic perspective view of a clamping device according to an embodiment of the present application;

FIG. 5 is a schematic perspective view of another perspective view of a test platform according to an embodiment of the present disclosure;

FIG. 6 is a schematic perspective view of a showerhead device according to an embodiment of the present application;

FIG. 7 is a schematic perspective view of another perspective view of a test platform according to an embodiment of the present disclosure;

reference numerals:

1. a frame; 11. installing a flat plate; 12. a universal wheel; 13. lifting the supporting legs; 14. a connecting plate; 15. supporting the guide rail; 16. a chute; 17. a controller; 2. a guide rail device; 21. a first guide rail; 22. a second guide rail; 23-24, a guide rail slide block; 3. a clamping device; 31. a support table; 311. mounting grooves; 32. clamping pincers; 321. a fixed seat; 3211. a fixed end; 3212. a connecting end; 322. a removable inlay; 323. a screw; 324. a handle; 4. a traction device; 41. a first lead screw; 42. a screw rod supporting seat; 43. a traction block; 431. a feed screw nut; 44. a first servo motor; 441. a coupling; 45. a first motor support frame; 5. a nozzle device; 51. a mounting frame; 511. an auxiliary slide rail; 52. a second lead screw; 53. a second servo motor; 531. a coupling; 54. a spray head; 55. a second motor support frame; 56. a support bar; 6. a sensor; 7. a liquid recovery device; 71. a recovery tank; 72. a liquid storage tank; 73. a recovery pipe; 74. a liquid outlet pipe; a. a shield.

Detailed Description

The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It will be understood that in the description of the present application, the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for ease of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present application. The terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, i.e. a feature defined as "first", "second" may explicitly or implicitly include one or more of such features. Further, unless otherwise specified, "a plurality" means two or more.

It should be noted that, in the description of the present application, unless otherwise explicitly specified or limited, the terms "disposed," "connected," and "hollow" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

Referring to fig. 1 to 7, an embodiment of the present invention provides a testing platform for a retractable protective cover, which can test various performances of the retractable protective cover a, including: a frame 1, and a guide rail device 2, a clamping device 3, a traction device 4 and a spray head device 5 which are arranged on the frame 1.

Wherein, this embodiment frame 1 wholly is the cuboid structure, and its accessible many angle bars welding or bolted connection make, stable in structure, intensity is higher. As shown in fig. 1 and 2, the top of the rack 1 of this embodiment has an installation flat plate 11, the guide rail device 2, the clamping device 3 and the nozzle device 5 are installed above the installation flat plate 11, the traction device 4 is installed below the installation flat plate 11, four corners of the bottom of the rack 1 are all provided with universal wheels 12 and lifting support legs 13, the rack 1 can be flexibly moved by the universal wheels 12, the placement position of the rack is convenient to adjust, after the position is determined, the rack 1 can be jacked up by adjusting the lifting support legs 13, so that the position of the rack is fixed, and the height of the lifting support legs 13 can be adjusted by a thread adjustment mode.

The rail arrangement 2 is intended to support and guide a protective cover a to be tested, which protective cover a is placed on the rail arrangement 2 during testing. Specifically, as shown in fig. 2 and 3, the rail device 2 includes two first rails 21, and the two first rails 21 are symmetrically disposed in the width direction of the shield a and extend in the length direction of the shield a. In this embodiment, the length direction of the protection cover a, i.e. the left and right direction of the frame 1, the protection cover a can be extended and contracted along the length direction thereof to change the length, and the width direction of the antiskid cover, i.e. the front and back direction of the frame 1. When being tested, the two sides of the protective cover a are supported and guided by the two first guide rails 21 and are driven by the traction device 4 to linearly slide and stretch along the first guide rails 21. In addition, the distance between the two first guide rails 21 and the length thereof can be determined according to the dimension specification of the shield a to be tested so as to adapt to the test requirements of the shield a with different dimension specifications.

In order to adjust the distance between the two first guide rails 21 to meet the test requirements of the protective hoods a with different width specifications, preferably, the guide rail device 2 of the present embodiment further includes two second guide rails 22, the two second guide rails 22 extend along the width direction of the protective hood a, and the two second guide rails 22 are respectively disposed at two ends of the first guide rails 21, in the present embodiment, the two second guide rails 22 are symmetrically disposed along the length direction of the protective hood a, each second guide rail 22 is slidably disposed with two

guide rail sliders

23, 24, two ends of the first guide rail 21 are mounted on the corresponding

guide rail sliders

23, 24, that is, two ends of one of the first guide rails 21 are mounted on one guide rail slider 23 on the two second guide rails 22, and two ends of the other first guide rail 21 are mounted on the other guide rail slider 24 on the two second guide rails 22, by doing so, the distance between the two first guide rails 21 can be adjusted very conveniently, so that the protective covers a which are adaptive to different width specifications can be used for completing performance tests. As shown in fig. 2, in the present embodiment, both ends of the second guide rail 22 are connected to the frame 1 through the connecting plates 14 to be fixed. In addition, the guide

rail sliding blocks

23 and 24 can be fixed on the second guide rail 22 through screws, so that the positions of the guide rail sliding blocks are locked, the sliding in the test process is avoided, when the adjustment is needed, the screws are detached, and the positions of the guide

rail sliding blocks

23 and 24 are adjusted, so that the distance between the two first guide rails 21 is adjusted, of course, the fixing mode of the guide

rail sliding blocks

23 and 24 is not limited to the use of screws, and a person skilled in the art can adopt other designs according to actual requirements.

In addition, the frame 1 of the present embodiment is provided with a scale (not shown) on the side thereof to facilitate the user to observe the distance between the two first rails 21. As shown in fig. 2, the mounting plate 11 of the rack 1 is further provided with a support rail 15, the extending direction of which is the same as that of the second rail 22 and is located below the two first rails 21, the two first rails 21 are slidably connected to the support rail 15, and the support rail 15 can assist in supporting the first rails 21, so as to prevent the second rails 22 from being crushed by the excessive weight of the protective cover a.

The clamping device 3 is used for clamping the fixed end of the protective cover a, specifically, as shown in fig. 4, in this embodiment, the clamping device 3 includes a supporting platform 31 and a clamping pincers 32, the supporting platform 31 is fixedly installed on the installation flat plate 11 of the rack 1, a plurality of installation slots 311 are arranged on the supporting platform 31 at intervals, the clamping pincers 32 are arranged on the supporting platform 31 and connected with the installation slots 311 through fasteners (e.g., bolts), the clamping pincers 32 can clamp the fixed end of the protective cover a, the installation slots 311 are T-shaped slots, and the specific position of the clamping pincers 32 can be adjusted by selecting appropriate installation slots 311. The specific structure of the clamping pincers 32 can be various, in this embodiment, the clamping pincers 32 includes a fixed seat 321, a movable inlay 322, a screw rod 323 and a handle 324, the bottom of the fixed seat 321 is fixed on the installation groove 311 by bolts, the fixed seat 321 protrudes upward and has a fixed end 3211 and a connecting end 3212 which are oppositely arranged, the movable inlay 322 is arranged between the fixed end 3211 and the connecting end 3212, a jaw is formed between the movable inlay 322 and the fixed end 3211, the head end of the screw rod 323 passes through the connecting end 3212 and is movably connected to the movable inlay 322, the rod part of the screw rod 323 is in threaded connection with the connecting end 3212, the handle 324 is connected to the tail end of the screw rod 323, it will be appreciated that, so configured, screw 323 can be rotated by operating handle 324, thereby driving the movable inlay 322 closer to or away from the fixed end 3211 and thereby changing the spacing of the jaws to achieve a clamping fixation of the fixed end of the shield a being tested.

The traction device 4 can be connected to the movable end of the protective cover a and used for driving the protective cover a to stretch along the length direction of the protective cover a. As shown in fig. 2 and 5, in the present embodiment, the traction device 4 includes a first lead screw 41, a lead screw support seat 42, a traction block 43, and a first power source; the first lead screw 41 extends along the length direction of the protective cover a, two ends of the first lead screw are connected to the lead screw supporting seat 42 through bearings, the lead screw supporting seat 42 is fixed on the bottom surface of the installation flat plate 11 of the rack 1, one end of the traction block 43 is in transmission connection with the first lead screw 41, the other end of the traction block is connected with the movable end of the protective cover a, and the first power source is used for driving the first lead screw 41 to rotate. When the first lead screw 41 rotates, the traction block 43 can move along the axial direction of the first lead screw 41, so as to drive the movable end of the protective cover a, so that the protective cover a can stretch along the length direction of the protective cover a, and therefore, the tensile test can be performed on the protective cover a, and the faster the rotation speed of the first lead screw 41 and the faster the rotation direction change are, the faster the stretching speed of the protective cover a is. The frame 1 is provided with a sensor 6 for detecting the stretching times of the protective cover a, and the traction device 4 is matched with the sensor 6 to test the stretching times of the protective cover a at different working speeds and to determine whether a disjointing phenomenon exists. Specifically, the sensor 6 is a photoelectric sensor, which can be mounted on the mounting plate 11 by bolts, and according to the protective cover a with different extension strokes, the specific mounting position of the sensor 6 can be adjusted along the direction of the first guide rail 21 so as to be located at the farthest extended position of the protective cover a, and the reflective strip is attached to the side of the sensor 6 through the protective cover a, so as to determine the extension times. Of course, in other embodiments, the sensor 6 may be other types of sensors as long as the detection of the number of times of extension and retraction of the shield a can be achieved.

Specifically, the first screw 41 is a ball screw, one end of the traction block 43 is in transmission connection with the first screw 41 through a screw nut 431, the other end of the traction block upwards passes through the installation flat plate 11 and then is connected to the movable end of the protective cover a, and the installation flat plate 11 is provided with a chute 16 for the traction block 43 to pass through. The first power source includes a first servo motor 44 and a first frequency converter (not shown), the first servo motor 44 is fixed to the frame 1 through a first motor support frame 45, an output end of the first servo motor is connected to an end of the first lead screw 41 through a coupler 441, the first frequency converter is electrically connected to the first servo motor 44, and a rotation speed of the first servo motor 44 can be controlled through the first frequency converter, so that a speed of the first lead screw 41 is controlled to adjust a moving speed of the traction block 43, and an expansion speed of the protective cover a is adjusted.

As shown in fig. 1, 2 and 6, in the present embodiment, the head device 5 includes a mounting frame 51, a head moving mechanism and a head 54, the mounting frame 51 is erected above the shield a, specifically, the mounting frame 51 is a rectangular frame, and four corners of the rectangular frame are detachably connected to the mounting plate 11 of the rack 1 through four support rods 56, respectively, so as to facilitate assembly and disassembly. Shower nozzle moving mechanism sets up on installation frame 51, and shower nozzle 54 is connected on shower nozzle moving mechanism, and shower nozzle moving mechanism can drive shower nozzle 54 and remove for shower nozzle 54 can remove in a flexible way, and shower nozzle 54 is used for spraying the test article towards protection casing a, and wherein, the test article can be metal debris such as test liquid or iron fillings, as long as according to the test demand change shower nozzle 54 the kind can, in this embodiment, shower nozzle 54 is the shower nozzle that can spray test liquid. Through so setting up, can realize carrying out the developments to antiskid cover and spray or spout the bits, can carry out good test to protection casing a's barrier propterty, still can observe protection casing a and whether can leak.

As shown in fig. 6, preferably, the nozzle moving mechanism of the present embodiment includes a second lead screw 52 and a second power source; the second lead screw 52 extends along the length direction of the shield a, two ends of the second lead screw are connected to the mounting frame 51 through bearings, the spray head 54 is in transmission connection with the second lead screw 52, and the second power source is used for driving the second lead screw 52 to rotate. When the second screw 52 rotates, the spray head 54 can move along the axial direction of the second screw 52, so that dynamic spraying of the protective cover a is realized, performance tests such as comprehensive waterproof and anticorrosion are performed on the protective cover a by simulating the condition of the machine tool during operation, and the faster the rotation speed and the faster the rotation direction change of the second screw 52 are, the faster the movement speed of the spray head 54 is. Specifically, in the present embodiment, the second screw 52 is a ball screw, and the spray head 54 is in transmission connection with the second screw 52 through a screw nut.

As shown in fig. 6, preferably, the second power source includes a second servo motor 53 and a second frequency converter (not shown), the second servo motor 53 is fixed to the mounting frame 51 through a second motor support frame 55, an output end of the second servo motor is connected to an end of the second lead screw 52 through a coupling 531, and the second frequency converter is electrically connected to the second servo motor 53. The rotating speed of the second servo motor 53 can be controlled by the second frequency converter, so that the moving speed of the spray head 54 can be adjusted by controlling the speed of the second screw rod 52, the moving speed of the spray head 54 can be consistent with the moving speed of the protective cover a, and the test effect is better.

As shown in fig. 6, further, the mounting frame 51 is provided with an auxiliary sliding rail 511, the auxiliary sliding rail 511 extends along the length direction of the shield a, the spray head 54 is slidably connected to the auxiliary sliding rail 511, and the auxiliary sliding rail 511 can support and guide the spray head 54, so as to improve the moving smoothness of the spray head 54. Specifically, two auxiliary slide rails 511 are provided, and are respectively and symmetrically arranged on two sides of the first lead screw 41, and two sides of the spray head 54 are slidably connected with the auxiliary slide rails 511.

As shown in fig. 2 and 7, preferably, the test platform of the present embodiment further includes a liquid recovery device 7, and the liquid recovery device 7 includes a recovery tank 71, a liquid storage tank 72, and a recovery pipe 73; the recycling groove 71 is arranged on the rack 1 and close to the protective cover a, a through hole is arranged at the bottom of the recycling groove 71, and the liquid storage tank 72 is arranged beside the rack 1 and is communicated with the through hole through a recycling pipe 73. Through so setting up, can retrieve the test liquid that shower nozzle 54 sprayed out, improve test platform's feature of environmental protection, reduce use cost. More preferably, the liquid recycling device 7 further includes a water pump (not shown) and a liquid outlet pipe 74, the water pump is disposed at a side portion of the liquid storage tank 72, an input port of the water pump is communicated with the liquid storage tank 72, and an output port of the water pump is communicated with the spray head 54 through the liquid outlet pipe 74, so as to realize recycling of the recycled test liquid.

During the test, can add test solution in the liquid reserve tank 72 earlier, then start the water pump and export the test solution in the liquid reserve tank 72 to shower nozzle 54 and spray, spun test solution can fall along the lateral part of protection casing a to flow into accumulator 71, flow into liquid reserve tank 72 through recovery tube 73 afterwards and retrieve. Of course, in other embodiments, the testing liquid may be provided to the nozzle 54 directly through an external device, and is not limited to the above-mentioned liquid supplying manner. When the nozzle 54 is replaced with a nozzle for spraying iron chips, the through hole can be blocked to prevent the recovery pipe 73 from being blocked by the iron chips. Specifically, the two recovery grooves 71 and the two recovery pipes 73 are provided, and the recovery grooves 71 are respectively provided on two sides of the shield a, so that the recovery efficiency is improved.

As shown in fig. 2, in the present embodiment, a controller 17 is further fixed to a side surface of the frame 1, the controller 17 is electrically connected to the sensor 6, the traction device 4, the head device 5, and the liquid recovery device 7, and the controller 17 includes a plurality of start keys, a plurality of stop keys, a plurality of pause keys, a hood a expansion and contraction speed adjusting knob, a head movement speed adjusting knob, and a display module.

1. overall structure reasonable in design, convenient and practical can simulate operating condition and test, through setting up draw gear 4 and sensor 6 test protection casing an flexible number of times and whether have the disjunctor phenomenon under different operating speed, spray through shower nozzle device 5 experimental or spray iron fillings experimental, test protection casing an's protective properties and whether have the leakage phenomenon.

2. The spray head 54 can move flexibly, the position and the speed of the spray head 54 can change in real time along with time, dynamic spraying or chip spraying can be carried out on the anti-skid cover, the real working environment of the telescopic protective cover a is simulated, the accuracy of a test result is improved, and the protective performance of the protective cover a is tested more efficiently and more accurately;

3. the guide rail device 2 and the clamping device 3 are ingenious in structural design, the distance between the first guide rails 21 can be flexibly adjusted to adapt to the protective covers a with different width sizes, the mounting positions of the clamping pincers 32 can be randomly adjusted to adapt to the protective covers a with different width sizes, and the application range is wider;

4. be provided with liquid recovery unit 7, can retrieve reuse to the test solution, reduce use cost, the feature of environmental protection is higher.

The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application.

Claims

1. A test platform for a telescoping shield, comprising:

the device comprises a rack, and a guide rail device, a clamping device, a traction device and a spray head device which are arranged on the rack;

2. The test platform for a telescoping shield of claim 1, wherein:

the traction device comprises a first screw rod, a screw rod supporting seat, a traction block and a first power source;

3. The test platform for a retractable shield according to claim 2, wherein:

the first power source comprises a first servo motor and a first frequency converter, the first servo motor is fixed on the rack, the output end of the first servo motor is connected to the end part of the first screw rod through a coupler, and the first frequency converter is electrically connected to the first servo motor.

4. The test platform for a retractable shield of claim 1, wherein:

the spray head moving mechanism comprises a second screw rod and a second power source;

5. The test platform for a retractable shield according to claim 4, wherein:

the second power source comprises a second servo motor and a second frequency converter, the second servo motor is fixed on the mounting frame, the output end of the second servo motor is connected to the end portion of the second screw rod through a coupler, and the second frequency converter is electrically connected to the second servo motor.

6. The test platform for a telescoping shield of claim 4, wherein:

be provided with supplementary slide rail on the installation frame, supplementary slide rail is followed the length direction of protection casing extends, shower nozzle sliding connection in supplementary slide rail.

7. The test platform for a retractable shield of claim 1, wherein:

the guide rail device further comprises two second guide rails, the second guide rails extend along the width direction of the protective cover and are respectively arranged at two ends of the first guide rail, each of the two guide rails is provided with two guide rail sliding blocks in a sliding mode, and two ends of the first guide rail are installed on the corresponding guide rail sliding blocks.

8. The test platform for a retractable shield of claim 1, wherein:

the clamping device comprises a supporting table and clamping pincers, the supporting table is fixedly installed on the rack, a plurality of mounting grooves are formed in the supporting table at intervals, and the clamping pincers are arranged on the supporting table and connected with the mounting grooves through fasteners.

9. A test platform for a retractable shield according to any one of claims 1 to 8, wherein:

the liquid recovery device comprises a recovery tank, a liquid storage tank and a recovery pipe; the recycling groove set up in the frame and close to the protection casing, the recycling groove bottom is provided with the through-hole, the liquid reserve tank set up in by the frame, and through the recovery tube communicate in the through-hole.

10. The test platform for a telescoping shield of claim 9, wherein:

the liquid recovery device further comprises a water pump and a liquid outlet pipe, wherein the water pump is arranged on the side part of the liquid storage box, an input port of the water pump is communicated with the liquid storage box, and an output port of the water pump is communicated with the spray head through the liquid outlet pipe.