CN215659760U - Sand blasting room - Google Patents

Sand blasting room Download PDF

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Publication number
CN215659760U
CN215659760U CN202122026584.8U CN202122026584U CN215659760U CN 215659760 U CN215659760 U CN 215659760U CN 202122026584 U CN202122026584 U CN 202122026584U CN 215659760 U CN215659760 U CN 215659760U
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China
Prior art keywords
brush
holder stud
fan
rod
screw rod
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Active
Application number
CN202122026584.8U
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Chinese (zh)
Inventor
谢国兴
吴强
王荣
罗海军
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Wuxi Shengran Intelligent Equipment Co ltd
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Wuxi Shengran Intelligent Equipment Co ltd
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Priority to CN202122026584.8U priority Critical patent/CN215659760U/en
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Abstract

The utility model belongs to the technical field of work piece surface treatment and specifically relates to a sandblast room is related to, and it includes the room body, the internal portion's in room ground is opened there is the dust collection mouth. The inside subaerial slip of room is provided with cleaning brush, cleaning brush includes brush-holder stud, brush hair fixed connection is in on the brush-holder stud, the brush hair is used for cleaning ground. The house is internally provided with a driving component for driving the brush rod to move towards or away from the dust collecting opening. The house is internal to be equipped with and to be used for the cleanness the fan of brush hair, the fan is close to the dust collection mouth sets up. This application has the effect that is convenient for clean into dust collecting opening with the debris on sandblast indoor ground.

Description

Sand blasting room
Technical Field
The application relates to the field of workpiece surface treatment, in particular to a sand blasting room.
Background
In the manufacture of machinery in the aircraft, ship, railway and other industries, it is often necessary to perform welding or painting operations on workpieces. In order to improve the welding or spraying effect on the workpiece, it is necessary to pretreat the surface of the workpiece before welding or spraying to remove scale such as rust attached to the surface of the workpiece.
The surface treatment, rust removal and other work of some large-scale workpieces are generally carried out by using a sand blasting room, which is also called a shot blasting room. Install nozzle manipulator in the sandblast room, nozzle manipulator can carry out automatic sandblast to workpiece surface, and the difficult regional accessible manual sandblast that reaches of automatic sandblast treatment is accomplished to clean workpiece surface.
In the related art, chinese patent with publication number CN109397114A discloses a sandblasting house, which comprises a house body, wherein the house body is equipped with a steel sand circulation system, a dust collecting opening is arranged on the ground of the house body, a grid is covered at the dust collecting opening, a dust collecting groove and a sand collecting groove are arranged under the ground of the house body, and a conveyor belt, a magnetic stripe and an attachment film are arranged under the dust collecting opening.
After the sand blasting room is used for a period of time, dust, metal oxides and steel grit polished by a workpiece are scattered on the ground of the room body. The staff wears the gas mask and gets into indoorly, utilizes the broom to push the collection dirt mouth with subaerial debris, and conveyer belt, magnetic stripe, attached film are mutually supported and are separated the dust, and the steel sand falls into the sand collecting tank, at last from the sand collecting tank in with the steel sand separation can.
With respect to the related art in the above, the inventors consider that: when the floor of a house body is cleaned, workers need to wear the gas mask to enter the house and manually sweep sundries on the floor into the dust collecting opening, so that the operation is inconvenient.
SUMMERY OF THE UTILITY MODEL
In order to clean into the dust collecting opening with the debris on ground in the sandblast room, this application provides a sandblast room.
The application provides a sandblast room adopts following technical scheme:
the utility model provides a sandblast room, includes the room body, the internal portion's in room ground is opened there is the dust collecting opening, the subaerial slip in the internal portion in room is provided with cleaning brush, cleaning brush includes brush-holder stud, brush hair fixed connection is in on the brush-holder stud, the brush hair is used for cleaning ground, the internal portion in room is equipped with and is used for the drive the brush-holder stud orientation or keep away from the drive assembly that the dust collecting opening slided, the internal portion in room is equipped with and is used for the cleanness the fan of brush hair, the fan is close to the dust collecting opening sets up.
Through adopting above-mentioned technical scheme, when needs cleaned the internal ground in room, utilize drive assembly drive brush-holder stud to remove towards the collection dirt mouth, the brush-holder stud drives the brush hair and removes towards the collection dirt mouth, and the brush hair cleans the internal bottom surface in room at the in-process that removes, cleans debris to in the collection dirt mouth. Then, the fan is used for blowing the bristles, so that impurities adhered to the bristles are cleaned, and the impurities falling from the bristles fall into the dust collecting port. And finally, the driving component is utilized to drive the brush rod to slide away from the dust collecting opening, so that the brush rod and the bristles are reset. Above-mentioned technical scheme passes through mutually supporting of drive assembly, brush-holder stud, brush hair, fan, has reached and has been convenient for clean the interior debris on ground of sandblast room and go into the intraoral effect of dust arrester.
Optionally, the drive assembly includes screw rod, crossbeam, the screw rod is equipped with two relatively, the screw rod rotates to be connected in the room body, the collection dirt mouth is located two between the screw rod, crossbeam threaded connection is in two the screw rod, two be connected with the linkage assembly between the screw rod, the brush-holder stud connect in the below of crossbeam, the brush-holder stud is on a parallel with the crossbeam.
Through adopting above-mentioned technical scheme, when needs drive brush-holder stud and remove, utilize two screws of linkage subassembly drive to rotate simultaneously, two screws drive the crossbeam and remove, and the crossbeam drives the brush-holder stud and removes.
Optionally, the linkage subassembly includes hold-in range, synchronizing wheel, control motor, the synchronizing wheel is every equal coaxial fixation has one on the screw rod, two are located to the hold-in range cover on the synchronizing wheel, control motor is fixed in the room body, control motor's output shaft and one of them the screw rod coaxial fixation.
Through adopting above-mentioned technical scheme, when two screw rod synchronous rotations of needs drive, the start control motor, one of them screw rod of control motor drive rotates, through mutually supporting of two synchronizing wheels and a hold-in range for two screw rod synchronous rotations.
Optionally, the both ends of crossbeam fixedly connected with supporting seat respectively, it is connected with the elevator to slide along vertical on the supporting seat, the brush-holder stud is connected two between the elevator, be connected with electric push rod on the crossbeam, electric push rod's piston rod sets up down vertically, the brush-holder stud is located electric push rod's below, be connected with on the supporting seat and be used for the drive the elastic component that the elevator rises.
Through adopting above-mentioned technical scheme, when the drive brush-holder stud slided towards the collection dirt mouth, electric putter's piston rod stretches out downwards and contradicts in the brush-holder stud, orders about the brush-holder stud and moves down, and the brush-holder stud drives the brush hair and moves down and make the brush hair contradict in ground to reach the effect of cleaning ground. When the driving brush rod is far away from the dust collecting opening to move, the piston rod of the electric push rod contracts upwards, the elastic piece drives the lifting rod to move upwards, the lifting block drives the brush rod to move upwards, the brush rod drives the bristles to move upwards, and the bristles are separated from the ground. Therefore, the possibility that the bristles push residual impurities on the ground to move in the direction away from the dust collecting opening in the process of sliding away from the dust collecting opening is reduced, and the cleaning effect on the ground is further improved.
Optionally, two rotate between the elevator and be connected with the axis of rotation, brush-holder stud fixed connection in the axis of rotation, one of them be connected with on the elevator and be used for the drive axis of rotation pivoted micro motor, the fan is located the top of collection dirt mouth, the air outlet of fan sets up downwards.
Through adopting above-mentioned technical scheme, when the brush-holder stud removed to and is close to dust collecting opening department, the piston rod of electric putter rose, and the elastic component resets afterwards, drives brush-holder stud and brush hair and rises. Then the micro motor is started, the micro motor drives the rotating shaft to rotate, the rotating shaft drives the brush rod to rotate, and the brush rod drives the bristles to rotate. When the brush hair rotates to the below of fan, the fan blows downwards, blows the impurity on the brush hair into the dust collecting opening, has reached the effect of clean brush hair.
Optionally, an air guide cover is connected to an air outlet of the fan, and an opening of the air guide cover is gradually enlarged along a vertical downward direction.
Through adopting above-mentioned technical scheme, the wind scooper is used for guiding the air-out direction of fan, reduces the dispersing of wind-force. Meanwhile, the opening of the air guide cover is gradually enlarged along the vertical downward direction, so that the air blowing area is enlarged, and the cleaning effect on the bristles is improved.
Optionally, a lifting groove is vertically formed in the upper edge of the supporting seat, and the lifting block vertically slides in the lifting groove.
Through adopting above-mentioned technical scheme, the elevator goes up and down in the lift inslot, stability when having improved the elevator and going up and down.
Optionally, the elastic part includes the extension spring, the extension spring is vertical setting, the top of extension spring is fixed in the roof of lift groove, the bottom mounting of extension spring in the elevator.
By adopting the technical scheme, when the electric push rod drives the brush rod to move downwards, the tension spring is stretched, when the piston rod of the electric push rod contracts upwards, the elastic potential energy of the tension spring is released to drive the lifting block to move upwards, and the effect of driving the lifting block to move upwards is achieved.
In summary, the present application includes at least one of the following beneficial technical effects:
1. through the mutual matching of the driving assembly, the brush rod, the brush bristles and the fan, the effect of conveniently cleaning sundries on the ground in the sand blasting room into the dust collecting port is achieved;
2. the driving assembly comprises a screw rod and a cross beam, and the effect of conveniently driving the brush rod to move is achieved through the mutual matching of the two screw rods and the cross beam;
3. through the mutual cooperation of the electric push rod, the elastic piece and the lifting block, the effect of conveniently driving the brush rod to vertically lift is achieved.
Drawings
Fig. 1 is a schematic structural view of a blasting room according to an embodiment of the present application.
FIG. 2 is a schematic structural diagram of a driving assembly, a linkage assembly and a cleaning brush according to an embodiment of the present application.
Fig. 3 is an enlarged view of a portion a in fig. 2.
Description of reference numerals:
1. a house body; 11. a dust collection port; 12. a support plate; 13. a fixing plate; 131. an accommodating port; 2. a cleaning brush; 21. a brush bar; 211. inserting blind holes; 22. brushing; 3. a drive assembly; 31. a screw; 32. a cross beam; 33. a supporting seat; 34. a lifting groove; 35. a lifting block; 36. positioning a plate; 4. a lifting assembly; 41. an electric push rod; 42. an elastic member; 421. a tension spring; 5. a rotating assembly; 51. a rotating shaft; 52. a micro motor; 6. a fan; 61. a wind scooper; 7. a linkage assembly; 71. a synchronous belt; 72. a synchronizing wheel; 73. controlling the motor; 74. and (7) mounting the plate.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses sandblast room.
Referring to fig. 1 and 2, a sandblasting house comprises a house body 1, wherein a dust collecting opening 11 is formed in the ground inside the house body 1, the dust collecting opening 11 is located at one end of the house body 1 in the length direction, and the length direction of the dust collecting opening 11 is parallel to the width direction of the house body 1. The cleaning brush 2 is arranged on the ground inside the house body 1 in a sliding mode along the horizontal direction, and the cleaning brush 2 comprises a brush rod 21 and brush bristles 22. The brush rod 21 is horizontally arranged, the brush bristles 22 are fixedly connected to the brush rod 21, and a plurality of brush bristles 22 are arrayed on the brush rod 21.
Referring to fig. 1, 2 and 3, a driving assembly 3 for driving the brush rod 21 to slide towards or away from the dust collection port 11, a lifting assembly 4 for driving the brush rod 21 to lift, and a rotating assembly 5 for driving the brush rod 21 to rotate around its axis are arranged in the house body 1. The room body 1 internal fixation is provided with fan 6, and the air outlet of fan 6 sets up downwards, and the air outlet of fan 6 is located the top of collection dirt mouth 11.
When the brush rod 21 slides toward the dust collection port 11, the brush 22 abuts against the floor. When the brush bar 21 moves away from the dust collection port 11, the brush 22 is separated from the floor. The bristles 22 can be rotated below the fan 6, and the bristles 22 can be cleaned by the fan 6.
Referring to fig. 1 and 2, the driving assembly 3 includes two screws 31 and a cross member 32, the two screws 31 are disposed oppositely, the screws 31 are disposed horizontally, and the screws 31 are parallel to the long side of the house body 1. The dust collection port 11 is located between the two screws 31. Two support plates 12 which are vertically arranged are fixedly connected to the ground in the house body 1, the support plates 12 are distributed at two ends of the house body 1 in the length direction, and the dust collecting port 11 is located between the two support plates 12. The screw rods 31 are rotatably connected between the two support plates 12, the cross beam 32 is horizontally arranged, the cross beam 32 is in threaded connection with the two screw rods 31, and the brush rod 21 is connected below the cross beam 32.
Referring to fig. 2, a linkage assembly 7 is connected between the two screws 31, and the linkage assembly 7 includes a timing belt 71, a timing wheel 72, and a control motor 73. The synchronous wheels 72 are coaxially fixed on each screw rod 31, and the synchronous belt 71 is sleeved on the two synchronous wheels 72. One of the support plates 12 is fixedly connected with an installation plate 74, the control motor 73 is fixed on the installation plate 74 through a bolt, and an output shaft of the control motor 73 is coaxially fixed on one of the screw rods 31.
When the cleaning brush 2 needs to be driven to move, the control motor 73 is started, the control motor 73 drives one of the screw rods 31 to rotate, and the two screw rods 31 synchronously rotate under the linkage action of the two synchronous wheels 72 and the one synchronous belt 71. The two screws 31 restrict the rotation of the beam 32, thereby driving the beam 32 to move in the horizontal direction. The beam 32 drives the brush rod 21 to slide, and the brush rod 21 drives the brush 22 to slide.
Referring to fig. 2 and 3, the lifting assembly 4 includes an electric push rod 41, an elastic member 42. Electric putter 41 fixed connection is in the upper surface of crossbeam 32, and the piston rod of electric putter 41 sets up down vertically, and the piston rod of electric putter 41 slides and wears to locate crossbeam 32, and electric putter 41 distributes along the length direction of crossbeam 32 has two. Two inserting blind holes 211 are formed in the surface, away from the bristles 22, of the brush rod 21, and piston rods of the electric push rods 41 correspond to the inserting blind holes 211 one to one and are in inserting fit.
Referring to fig. 2 and 3, the elastic member 42 includes a tension spring 421. Both ends of crossbeam 32 are fixedly connected with supporting seat 33 respectively, and supporting seat 33 fixed connection is in the diapire of crossbeam 32. The supporting seat 33 is vertically provided with a lifting groove 34, and a lifting block 35 is vertically arranged in the lifting groove 34 in a sliding manner. One tension spring 421 is arranged in each lifting groove 34, and the tension springs 421 are vertically arranged. The top end of the tension spring 421 is fixedly connected to the top wall of the lifting groove 34, and the bottom end of the tension spring 421 is fixedly connected to the upper surface of the lifting block 35. The brush bar 21 is rotatably connected between two lifting blocks 35.
When the brush rod 21 moves towards the dust collection opening 11, the piston rod of the electric push rod 41 extends downwards and is inserted into the insertion blind hole 211, so that the brush rod 21 is driven to move downwards, the brush rod 21 drives the brush hair 22 and the lifting block 35 to move downwards, the brush hair 22 is pressed against the ground, the brush hair 22 is convenient to clean the ground, and the effect of conveniently sweeping sundries on the ground in the sand blasting room into the dust collection opening 11 is achieved. Simultaneously, the extension spring 421 is extended by the lifting block 35. The arrangement of the blind insertion hole 211 improves the stability of the brush rod 21 driven by the piston rod of the electric push rod 41 to move downwards.
After the floor is cleaned, the brush rod 21 needs to be driven to reset. When the brush rod 21 moves away from the dust collection opening 11, the piston rod of the electric push rod 41 contracts upwards, the tension spring 421 drives the lifting block 35 to ascend, the lifting block 35 drives the brush rod 21 to ascend, the brush rod 21 drives the bristles 22 to ascend, and the bristles 22 are separated from the ground. The possibility that the residual impurities on the ground are pushed to the direction away from the dust collecting opening 11 to move in the process that the brush bristles 22 slide away from the dust collecting opening 11 is reduced, and the cleaning effect on the ground is improved.
Referring to fig. 2 and 3, the rotating assembly 5 includes a rotating shaft 51 and a micro motor 52, the rotating shaft 51 penetrates through the two lifting blocks 35 and the brush rod 21, the rotating shaft 51 is rotatably connected to the lifting blocks 35, and the brush rod 21 is fixedly connected to the rotating shaft 51. One of the lifting blocks 35 is fixedly connected with a positioning plate 36, the micro motor 52 is fixed on the positioning plate 36 through a bolt, and an output shaft of the micro motor 52 is coaxially fixed with the rotating shaft 51.
When the brush rod 21 moves to the dust collection opening 11, the brush rod 21 is lifted by the cooperation of the electric push rod 41 and the tension spring 421, and the brush rod 21 drives the bristles 22 to lift, so that the bristles 22 are separated from the ground. Then the micro motor 52 works, the micro motor 52 drives the rotating shaft 51 to rotate, the rotating shaft 51 drives the brush rod 21 to rotate, the brush rod 21 drives the brush 22 to rotate, and therefore the brush 22 is rotated between the dust collecting opening 11 and the air outlet of the fan 6. The fan 6 is started, and the fan 6 blows air downwards, so that impurities adhered to the bristles 22 are blown down into the dust collecting port 11, and the effect of cleaning the impurities adhered to the bristles 22 is achieved. The cleanliness of the bristles 22 is improved, thereby facilitating the cleaning of the floor surface by the bristles 22 again.
Referring to fig. 2, a fixing plate 13 is fixedly connected to the top of the supporting plate 12 near the dust collection port 11, and the fixing plate 13 is horizontally disposed above the dust collection port 11. Two accommodating ports 131 are formed in the fixing plate 13, and one fan 6 is fixed in each accommodating port 131. An air guide cover 61 is connected at an air outlet of the fan 6, and an inner cavity of the air guide cover 61 is vertically communicated.
The arrangement of the two fans 6 improves the cleaning effect of the brush bristles 22. The wind scooper 61 is used for guiding the direction of the wind, reducing the circumferential diffusion of the wind direction, and thus improving the cleaning effect of the brush bristles 22.
Referring to fig. 2, in addition, the opening of the wind scooper 61 is gradually increased in a vertically downward direction, so that the blowing area is increased, and the cleaning effect of the brush 22 is further improved.
The implementation principle of this application embodiment sandblast room does: the initial positions of the brush bar 21 and the brush staples 22 are located at the end of the body 1 far from the dust collection port 11. When the floor in the house body 1 needs to be cleaned, the control motor 73 is started, the control motor 73 drives one of the screw rods 31 to rotate, and the two screw rods 31 synchronously rotate under the linkage action of the two synchronous wheels 72 and the one synchronous belt 71. The two screws 31 restrict the rotation of the cross member 32, thereby driving the cross member 32 toward the dust collection port 11.
Meanwhile, the piston rod of the electric push rod 41 extends downwards and is inserted into the insertion blind hole 211, so that the brush rod 21 is driven to move downwards, and the brush rod 21 drives the bristles 22 and the rotating shaft 51 to move downwards, so that the bristles 22 are abutted against the ground. The bristles 22 sweep foreign substances on the floor into the dust collection port 11 while moving toward the dust collection port 11. Meanwhile, the rotating shaft 51 drives the lifting block 35 to descend, and the lifting block 35 stretches the tension spring 421.
When the brush rod 21 moves to the dust collection opening 11, the piston rod of the electric push rod 41 is reset upwards, the tension spring 421 drives the lifting blocks 35 to ascend, the two lifting blocks 35 drive the rotating shaft 51 to ascend, the rotating shaft 51 drives the brush rod 21 to ascend, and the brush rod 21 drives the bristles 22 to ascend, so that the bristles 22 are separated from the ground. Then the micro motor 52 works, the micro motor 52 drives the rotating shaft 51 to rotate, the rotating shaft 51 drives the brush rod 21 to rotate, the brush rod 21 drives the brush 22 to rotate, and therefore the brush 22 is rotated between the dust collecting opening 11 and the air outlet of the fan 6. The fan 6 is activated, and the fan 6 blows air downward, thereby blowing the foreign substances adhered to the bristles 22 down into the dust collection port 11.
The micro-motor 52 then drives the rotating shaft 51 to rotate, thereby rotationally resetting the brush bar 21 and the bristles 22, while the bristles 22 are still off the ground. The control motor 73 is started, the synchronous belt 71, the two synchronous wheels 72 and the two screws 31 are matched with each other, the cross beam 32 is driven to move away from the dust collection opening 11, the cross beam 32 drives the brush rod 21 to move away from the dust collection opening 11, the brush rod 21 drives the bristles 22 to move away from the dust collection opening 11, and finally the brush rod 21 and the bristles 22 return to the initial positions. Therefore, the effect of conveniently cleaning sundries on the ground in the sand blasting room into the dust collecting opening 11 is achieved.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a sandblast room, includes the room body (1), the inside ground of the room body (1) is opened there is collection dirt mouth (11), its characterized in that: the inside subaerial slip in room body (1) is provided with cleaning brush (2), cleaning brush (2) are including brush-holder stud (21), brush hair (22) fixed connection be in on brush-holder stud (21), brush hair (22) are used for cleaning ground, the room body (1) is inside to be equipped with and to be used for the drive brush-holder stud (21) orientation or keep away from drive assembly (3) that collection dirt mouth (11) slided, the room body (1) is inside to be equipped with and to be used for the cleanness fan (6) of brush hair (22), fan (6) are close to collection dirt mouth (11) set up.
2. The sandblasting booth according to claim 1, wherein: drive assembly (3) include screw rod (31), crossbeam (32), screw rod (31) are equipped with two relatively, screw rod (31) rotate to be connected in the room body (1), collection dirt mouth (11) are located two between screw rod (31), crossbeam (32) threaded connection is in two screw rod (31), two be connected with linkage assembly (7) between screw rod (31), brush-holder stud (21) connect in the below of crossbeam (32), brush-holder stud (21) are on a parallel with crossbeam (32).
3. A sandblasting booth as claimed in claim 2, characterized in that: linkage subassembly (7) include hold-in range (71), synchronizing wheel (72), control motor (73), synchronizing wheel (72) are every equal coaxial fixation has one on screw rod (31), two are located to hold-in range (71) cover on synchronizing wheel (72), control motor (73) are fixed in the room body (1), the output shaft and one of them of control motor (73) screw rod (31) coaxial fixation.
4. A sandblasting booth as claimed in claim 2, characterized in that: the both ends of crossbeam (32) are fixedly connected with supporting seat (33) respectively, it is connected with elevator (35) to slide along vertical on supporting seat (33), brush-holder stud (21) are connected two between elevator (35), be connected with electric push rod (41) on crossbeam (32), the vertical setting down of piston rod of electric push rod (41), brush-holder stud (21) are located the below of electric push rod (41), be connected with on supporting seat (33) and be used for the drive elastic component (42) that elevator (35) rise.
5. The sandblasting booth according to claim 4, wherein: two it is connected with axis of rotation (51) to rotate between elevator (35), brush-holder stud (21) fixed connection in axis of rotation (51), one of them be connected with on elevator (35) and be used for the drive axis of rotation (51) pivoted micro motor (52), fan (6) are located the top of collection dirt mouth (11), the air outlet of fan (6) sets up down.
6. A sandblasting booth as claimed in claim 5, characterized in that: an air guide cover (61) is connected to an air outlet of the fan (6), and an opening of the air guide cover (61) is gradually enlarged along a vertical downward direction.
7. The sandblasting booth according to claim 4, wherein: the supporting seat (33) is vertically provided with a lifting groove (34), and the lifting block (35) vertically slides in the lifting groove (34).
8. The sandblasting booth according to claim 7, wherein: elastic component (42) are including extension spring (421), extension spring (421) are vertical setting, the top of extension spring (421) is fixed in the roof of lift groove (34), the bottom mounting of extension spring (421) is in elevator block (35).
CN202122026584.8U 2021-08-25 2021-08-25 Sand blasting room Active CN215659760U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122026584.8U CN215659760U (en) 2021-08-25 2021-08-25 Sand blasting room

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122026584.8U CN215659760U (en) 2021-08-25 2021-08-25 Sand blasting room

Publications (1)

Publication Number Publication Date
CN215659760U true CN215659760U (en) 2022-01-28

Family

ID=79956233

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122026584.8U Active CN215659760U (en) 2021-08-25 2021-08-25 Sand blasting room

Country Status (1)

Country Link
CN (1) CN215659760U (en)

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