CN112404178A - Small low-speed roller device - Google Patents

Small low-speed roller device Download PDF

Info

Publication number
CN112404178A
CN112404178A CN202011173770.8A CN202011173770A CN112404178A CN 112404178 A CN112404178 A CN 112404178A CN 202011173770 A CN202011173770 A CN 202011173770A CN 112404178 A CN112404178 A CN 112404178A
Authority
CN
China
Prior art keywords
motor
roller
controller
pin
power supply
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202011173770.8A
Other languages
Chinese (zh)
Inventor
李宁
汪伟
李韶华
李春光
贾江鹏
张鑫
樊文渊
常邵辉
李莉
杜小英
申志明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanxi Aerospace Qinghua Equipment Co Ltd
Original Assignee
Shanxi Aerospace Qinghua Equipment Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shanxi Aerospace Qinghua Equipment Co Ltd filed Critical Shanxi Aerospace Qinghua Equipment Co Ltd
Priority to CN202011173770.8A priority Critical patent/CN112404178A/en
Publication of CN112404178A publication Critical patent/CN112404178A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D3/00Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts
    • B21D3/14Recontouring

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rollers For Roller Conveyors For Transfer (AREA)

Abstract

The invention relates to a small low-rotation-speed roller device, belonging to the technical field of small low-rotation-speed roller devices; the technical problem to be solved is as follows: the improvement of the hardware structure of the small low-rotating-speed roller device is provided; the technical scheme for solving the technical problems is as follows: the device comprises an active roller bracket and a plurality of passive roller brackets, wherein each of the active roller bracket and the passive roller bracket comprises a support, a first vertical plate, a roller and a bearing seat, one end of each first vertical plate is fixedly connected to the support, the other end of each first vertical plate is fixedly connected with the bearing seat through a first connecting assembly, and two ends of each roller are fixedly connected between the two first vertical plates; the driving roller bracket is also provided with a motor and a second vertical plate, the motor is fixedly connected to the outer side of the second vertical plate through a second connecting assembly, and an output shaft of the motor passes through the second vertical plate and is in key connection with the roller shaft; the invention is applied to the roundness correction of the cylinder.

Description

Small low-speed roller device
Technical Field
The invention discloses a small low-rotation-speed roller device, and belongs to the technical field of small low-rotation-speed roller devices.
Background
In ground equipment manufacturing enterprise, after launching the car annual output task doubled, current assembly technique is difficult to guarantee launching car fast and stable's assembly, and the urgent need can improve launching car assembly efficiency's device, and wherein the school circle process efficiency of launching the section of thick bamboo is not high, adopts the school circle mode of artifical rotatory barrel, and school circle period is long, inefficiency, the quality stability is poor, is difficult to satisfy the task demand.
The existing order of cylinder section circle calibration is that firstly a crane is used to vertically hoist the cylinder section into the middle of the upright post of the circle calibration machine and put the cylinder section on three passive fixed pulleys at corresponding positions. And then operating a pressurizing oil cylinder of the hydraulic press to perform circle correction on the cylinder body, wherein an F-shaped crowbar needs to be manually used to perform the circle correction in the process.
The problems existing in the whole cylinder section rounding process are as follows: 1. three persons are needed for operation, one person operates the pressurizing oil cylinder, one person rotates the cylinder body, and one person adjusts the cylinder body; 2. the main rotary work is manually pried, which wastes time and labor.
In order to improve the automation level of the rounding work, reduce the labor intensity of workers, solve the problems of model development and batch production, improve the efficiency and accelerate the assembly period, a roller device which has a simple structure and can automatically round the circle needs to be provided, thereby improving the rounding efficiency.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention aims to solve the technical problems that: the improvement of the hardware structure of the small low-speed roller device is provided.
In order to solve the technical problems, the invention adopts the technical scheme that: the small low-rotation-speed roller device comprises an active roller support and a plurality of passive roller supports, wherein the active roller support and the passive roller supports are placed below a barrel and respectively comprise a support, a first vertical plate, a roller and a bearing seat, one end of the first vertical plate is fixedly connected onto the support, the other end of the first vertical plate is fixedly connected with the bearing seat through a first connecting assembly, and two ends of the roller are fixedly connected between the two first vertical plates;
the driving roller bracket is also provided with a motor and a second vertical plate, the motor is fixedly connected to the outer side of the second vertical plate through a second connecting assembly, and an output shaft of the motor passes through the second vertical plate and is in key connection with the roller shaft;
the roller shaft of the driving roller bracket is provided with a driving roller, and the roller shaft of the driven roller bracket is provided with a driven roller;
the driving roller support is characterized in that a control cabinet is arranged on one side of the driving roller support, a control circuit board is arranged in the control cabinet, a controller is integrated on the control circuit board, a power input end of the controller is connected with an output end of a transformer through a wire, an input end of the transformer is connected with an alternating current power supply through a wire, the controller is connected with an input end of a frequency converter through a wire, and an output end of the frequency converter is connected with a motor through a wire.
The motor realizes the key-type connection with the roller bearing through the parallel key specifically, be provided with the axle sleeve on the output shaft of motor, the axle sleeve passes through screw fixed connection on the output shaft.
The remote control cabinet is characterized in that a remote controller used for remotely controlling the positive and negative rotation of the motor and speed adjustment is further arranged on the control cabinet, antennas used for receiving and sending signals are arranged inside the control cabinet and the remote controller, and the remote controller is in remote two-way communication with the controller through the antennas.
The front side of the remote controller is provided with a display screen, a power switch, a positive and negative switching driving lever and a speed adjusting knob, a microcontroller is arranged inside the remote controller, the microcontroller is respectively connected with the display screen, the power switch, the positive and negative switching driving lever and the speed adjusting knob through wires, and the microcontroller is connected with an antenna and the controller through wires to realize bidirectional remote communication.
The motor is provided with a motor reduction box with a reduction ratio of 150:1, and the rotating speed range of the motor is 0.1r/min-9 r/min.
The distance between the rotating speed and the frequency conversion of the motor remotely controlled by the remote controller is less than or equal to meter.
The controller is A2015-PLC, the frequency converter is H3400A03D7K-D, and the transformer is a DC380V/AC15V or 10VA transformer;
a main switch breaker QF1 is arranged on a power supply inlet end of the control cabinet, a breaker QF3 is arranged on a power supply inlet end of the transformer, a negative electrode of a power supply outlet end of the transformer is connected with a breaker Q4F in series and then is connected with a V-pin of the controller, and a V + pin of the controller is connected with a positive electrode of the power supply outlet end of the transformer through a lead;
a pin 101 of the controller is connected with a GSD pin of the frequency converter through a lead, a pin 102 of the controller is connected with a pin A11 of the frequency converter through a lead, a pin 113 of the controller is connected with a pin D12 of the frequency converter through a lead, a pin 112 of the controller is connected with a pin D11 of the frequency converter through a lead, and a pin 111 of the controller is connected with a COM pin of the frequency converter through a lead;
the power supply line inlet end of the frequency converter is provided with a circuit breaker QF2, and the power supply line outlet end of the frequency converter is connected with the power supply end of the motor through a wire.
The motor is a gear reduction three-phase asynchronous motor with the model number of GK-150.
The control cabinet is internally provided with a power inlet wire connecting bar and a motor power wire connecting bar, the power inlet wire connecting bar is connected with the transformer through a wire, and the motor power wire connecting bar is connected with the power output end of the frequency converter through a wire and then is connected with the motor.
Compared with the prior art, the invention has the beneficial effects that: the roller device provided by the invention is provided with the bearing support for supporting the cylinder to be subjected to circle correction, and the rotating speed and the rotating direction of the driving roller are controlled by the variable frequency motor so as to drive the driven roller to rotate the cylinder to finish the circle correction; the invention can remotely regulate and control the rotation speed, direction and linear regulation of speed of the motor by arranging the remote controller, does not need to adopt three persons to carry out rotation control on the barrel, saves manpower, remotely controls the rotation of the roller wheel, can remotely check the progress of circle correction by workers, and greatly improves the efficiency of circle correction.
Drawings
The invention is further described below with reference to the accompanying drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the active roller bracket according to the present invention;
FIG. 3 is a schematic view of a passive roller bracket according to the present invention;
FIG. 4 is a schematic diagram of the circuit structure of the present invention;
FIG. 5 is a schematic diagram of the internal structure of the control cabinet of the present invention;
FIG. 6 is a block diagram of a remote controller according to the present invention;
FIG. 7 is a schematic view of the assembly of the active roller of the present invention;
FIG. 8 is a schematic view of the structure of the present invention in use during the calibration of the cylinder;
fig. 9 is a schematic diagram of a control circuit inside the control cabinet of the present invention.
In the figure: the device comprises a cylinder 1, a driving roller support 2, a driven roller support 3, a support 4, a first vertical plate 5, a rolling shaft 6, a bearing seat 7, a first connecting assembly 8, a motor 9, a second vertical plate 10, a second connecting assembly 11, a flat key 12, a shaft sleeve 13, a remote controller 14, an antenna 15, a power supply incoming line connecting bar 16, a motor power line connecting bar 17, a controller 101, a transformer 102, a frequency converter 103, a display screen 141, a power switch 142, a forward-reverse switching shift lever 143, a speed adjusting knob 144 and a microcontroller 1401.
Detailed Description
As shown in fig. 1 to 9, the small low-speed roller device of the present invention includes an active roller bracket 2 and a plurality of passive roller brackets 3 placed below a barrel 1, where each of the active roller bracket 2 and the passive roller brackets 3 includes a support 4, a first vertical plate 5, a roller 6, and a bearing seat 7, one end of the first vertical plate 5 is fixedly connected to the support 4, the other end of the first vertical plate 5 is fixedly connected to the bearing seat 7 through a first connecting assembly 8, and two ends of the roller 6 are fixedly connected between the two first vertical plates 5;
the driving roller bracket 2 is also provided with a motor 9 and a second vertical plate 10, the motor 9 is fixedly connected to the outer side of the second vertical plate 10 through a second connecting assembly 11, and an output shaft of the motor 9 penetrates through the second vertical plate 10 and is in key connection with the roller 6;
the roller shaft of the driving roller bracket 2 is provided with a driving roller, and the roller shaft of the driven roller bracket 3 is provided with a driven roller;
one side of the driving roller support 2 is provided with a control cabinet, a control circuit board is arranged in the control cabinet, a controller 101 is integrated on the control circuit board, the power input end of the controller 101 is connected with the output end of a transformer 102 through a wire, the input end of the transformer 102 is connected with an alternating current power supply through a wire, the controller 101 is connected with the input end of a frequency converter 103 through a wire, and the output end of the frequency converter 103 is connected with the motor 9 through a wire.
The motor 9 is connected with the roller 6 through a flat key 12 in a key connection mode, a shaft sleeve 13 is arranged on an output shaft of the motor 9, and the shaft sleeve 13 is fixedly connected to the output shaft through a screw.
The control cabinet is also provided with a remote controller 14 for remotely controlling the forward and reverse rotation and speed adjustment of the motor 9, the control cabinet and the remote controller 14 are both internally provided with an antenna 15 for receiving and sending signals, and the remote controller 14 is in remote two-way communication with the controller 101 through the antenna 15.
The front surface of the remote controller 14 is provided with a display screen 141, a power switch 142, a positive and negative switching shift lever 143 and a speed adjusting knob 144, the interior of the remote controller 14 is provided with a microcontroller 1401, the microcontroller 1401 is respectively connected with the display screen 141, the power switch 142, the positive and negative switching shift lever 143 and the speed adjusting knob 144 through wires, and the microcontroller 1401 is connected with the antenna 15 through wires and is in bidirectional remote communication with the controller 101.
The motor 9 is provided with a motor reduction box with a reduction ratio of 150:1, and the rotating speed range of the motor 9 is 0.1r/min-9 r/min.
The distance between the rotating speed and the frequency conversion of the motor 9 remotely controlled by the remote controller 14 is less than or equal to 20 meters.
The controller 101 is of the type A2015-PLC, the frequency converter 103 is of the type H3400A03D7K-D, and the transformer 102 is specifically a DC380V/AC15V or 10VA transformer;
a main switch breaker QF1 is arranged on a power supply inlet end of the control cabinet, a breaker QF3 is arranged on a power supply inlet end of the transformer 102, a negative electrode of a power supply outlet end of the transformer 102 is connected with a breaker QF4 in series and then is connected with a V-pin of the controller 101, and a V + pin of the controller 101 is connected with a positive electrode of the power supply outlet end of the transformer 102 through a lead;
a pin 101 of the controller 101 is connected with a GSD pin of the frequency converter 103 through a lead, a pin 102 of the controller 101 is connected with a pin A11 of the frequency converter 103 through a lead, a pin 113 of the controller 101 is connected with a pin D12 of the frequency converter 103 through a lead, a pin 112 of the controller 101 is connected with a pin D11 of the frequency converter 103 through a lead, and a pin 111 of the controller 101 is connected with a COM pin of the frequency converter 103 through a lead;
a breaker QF2 is arranged on a power supply inlet end of the frequency converter 103, and a power supply outlet end of the frequency converter 103 is connected with a power supply end of the motor 9 through a lead.
The motor 9 is a gear reduction three-phase asynchronous motor with the model number of GK-150.
The control cabinet is internally provided with a power supply incoming line wiring bar 16 and a motor power line wiring bar 17, the power supply incoming line wiring bar 16 is connected with the transformer 102 through a lead, and the motor power line wiring bar 17 is connected with the power output end of the frequency converter 103 through a lead and then is connected with the motor 9.
The small roller device provided by the invention mainly comprises a bearing support, a motor 9 and a control cabinet. The bearing support comprises a driving roller support 2 and a driven roller support 3 which are welded by 30mm steel plates; the motor 9 is arranged to be self-contained 150:1, and the control cabinet is of a variable-frequency remote control type. The motor 9 adopts 380V variable frequency control, and is matched with 150:1, the speed reduction box can realize forward and reverse turning and linear speed adjustment of the roller, and the lowest rotating speed is 0.1r/min and the highest rotating speed is 9 r/min. The torque is kept at 386N.m, the remote control is adopted by the remote controller 14, the maximum distance is 20 m, and the remote controller 14 is provided with unlocking and emergency stop protection functions.
The invention has the functions of portable movement, small volume, forward and reverse rotation and adjustable speed. When the roller type rolling machine is used, as shown in figure 8, a roller body 1 is placed on a driving roller support 2 and a driven roller support 3, and the roller body 1 completes circle correction work in the middle of an upright post.
The structure of the driving roller bracket 2 is shown in fig. 2 and mainly comprises a support 4, a plurality of first vertical plates 5, a second vertical plate 10, a bearing seat 7, a roller 6, a shaft sleeve 13 and a motor 9; fig. 3 is a structural diagram of the passive roller bracket 3, which is composed of a support 4, a plurality of first vertical plates 5 and a bearing seat 7.
The invention is further illustrated by the following examples.
The first embodiment is as follows: the invention has the characteristics of small volume, the length, width and height of the roller bracket are 375mm multiplied by 200mm multiplied by 285mm, the size of the roller is 60mm multiplied by 90mm, and the invention is suitable for special occasions such as narrow space and the like. The driving roller bracket 2 and the driven roller bracket 3 are both made of steel plates made of Q345A, and the blank size 325X 200X 30X 1 of the bottom plate of the support 4; first vertical plate 5 blank size 257 x 165 x 18 x 1 pieces; second riser 10 blank size 114 x 95 x 30 x 2 pieces. The welding surface needs to be processed in a plane, and the upper top surface of the vertical plate is processed after welding; the roller 6 is made of more than 45# steel, HRC28-32 is hardened and tempered, all chamfers are 1 x 45 degrees, knurling is conducted on the surface to increase friction, and the depth is 0.25 MM; the material of the shaft sleeve 13 is more than 45# steel, and HRC28-32 is hardened and tempered; the motor 9 adopts a vertical GV, the voltage is 380V, the power is 0.4KW, the subtraction ratio is 150, and the output shaft is phi 22 degrees; the bearing seat 7 adopts a T-shaped vertical bearing assembly with a seat, the model is 6006ZZ, and the center is 80.
According to the assembly of the invention shown in the figure 7, a motor 9 is arranged on a second vertical plate 10, a shaft sleeve 13 and a flat key 12 are arranged on an output shaft of the motor 9, a roller 6 and a bearing with a seat are connected and assembled, the shaft sleeve 13 is integrally butted, and after the shaft sleeve is properly connected, holes are punched on the second vertical plate 10 according to a mounting hole of a bearing base to tap threads, so that the assembly work is completed.
The electric appliance control part of the invention is shown as a hardware circuit block diagram in figure 5 and a circuit schematic diagram in figure 9. And purchasing the wiring debugging of the electrical components.
The roller has high integral mechanical strength, can bear the requirements of the quality and the torsion of the current maximum cylinder body, and reserves 30 percent of bearing space; the roller has small volume, and the length, width and height of the roller are 400MM 200MM 285 MM; the weight is light, the position is convenient to adjust, and the storage is convenient; the roller 6 is made of iron 45# steel, the HRC28-32 is hardened and tempered, all chamfers are 1 x 45 degrees, knurling is conducted on the surface of the roller to increase friction, and the depth of the roller is 0.25 MM; the torque of the motor 9 is 368Nm, the voltage is 380V, the transformation ratio of the speed reducer is 150, and the vertical motor is adopted; the electric appliance control meets the requirements of variable frequency speed regulation, positive and negative reversing and remote control. The remote control 14 has a protection lock, a power switch, a knob speed regulation and a forward and reverse switching shift lever.
It should be noted that, regarding the specific structure of the present invention, the connection relationship between the modules adopted in the present invention is determined and can be realized, except for the specific description in the embodiment, the specific connection relationship can bring the corresponding technical effect, and the technical problem proposed by the present invention is solved on the premise of not depending on the execution of the corresponding software program.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims (9)

1. Small-size low rotational speed roller device, including placing initiative roller support (2) and a plurality of passive roller support (3) of barrel (1) below, its characterized in that: the driving roller support (2) and the driven roller support (3) respectively comprise a support (4), first vertical plates (5), a roller (6) and a bearing seat (7), one end of each first vertical plate (5) is fixedly connected to the support (4), the other end of each first vertical plate (5) is fixedly connected with the bearing seat (7) through a first connecting assembly (8), and two ends of each roller (6) are fixedly connected between the two first vertical plates (5);
the driving roller bracket (2) is further provided with a motor (9) and a second vertical plate (10), the motor (9) is fixedly connected to the outer side of the second vertical plate (10) through a second connecting assembly (11), and an output shaft of the motor (9) penetrates through the second vertical plate (10) and is in key connection with the roller (6);
the roller shaft of the driving roller bracket (2) is provided with a driving roller, and the roller shaft of the driven roller bracket (3) is provided with a driven roller;
one side of initiative gyro wheel support (2) is provided with the switch board, the inside control circuit board that is provided with of switch board, integrated controller (101) on the control circuit board, the power input end of controller (101) passes through the wire and links to each other with the output of transformer (102), the input of transformer (102) passes through the wire and links to each other with alternating current power supply, controller (101) pass through the wire and link to each other with the input of converter (103), the output of converter (103) passes through the wire and links to each other with motor (9).
2. The small slow rotating speed roller device according to claim 1, wherein: the motor (9) is connected with the roller (6) in a key connection mode through a flat key (12), a shaft sleeve (13) is arranged on an output shaft of the motor (9), and the shaft sleeve (13) is fixedly connected to the output shaft through a screw.
3. The small slow rotating speed roller device according to claim 2, wherein: the remote control cabinet is characterized in that a remote controller (14) used for remotely controlling positive and negative rotation and speed adjustment of the motor (9) is further arranged on the control cabinet, antennas (15) used for receiving and sending signals are arranged inside the control cabinet and the remote controller (14), and the remote controller (14) is in remote two-way communication with the controller (101) through the antennas (15).
4. The small slow rotating speed roller device according to claim 3, wherein: the remote controller is characterized in that a display screen (141), a power switch (142), a positive and negative switching shift lever (143) and a speed adjusting knob (144) are arranged on the front face of the remote controller (14), a microcontroller (1401) is arranged inside the remote controller (14), the microcontroller (1401) is respectively connected with the display screen (141), the power switch (142), the positive and negative switching shift lever (143) and the speed adjusting knob (144) through wires, and the microcontroller (1401) is connected with an antenna (15) and the controller (101) through wires to achieve bidirectional remote communication.
5. The small slow rotating speed roller device according to claim 4, wherein: the motor (9) is provided with a motor reduction box with a reduction ratio of 150:1, and the rotating speed range of the motor (9) is 0.1r/min-9 r/min.
6. The small slow rotating speed roller device according to claim 5, wherein: the distance between the rotating speed and the frequency conversion of the remote control (14) for remotely controlling the motor (9) is less than or equal to 20 meters.
7. The small slow rotating speed roller device according to claim 6, wherein: the controller (101) is A2015-PLC, the frequency converter (103) is H3400A03D7K-D, and the transformer (102) is a DC380V/AC15V or 10VA transformer;
a main switch breaker QF1 is arranged on a power supply inlet end of the control cabinet, a breaker QF3 is arranged on a power supply inlet end of the transformer (102), a negative electrode of a power supply outlet end of the transformer (102) is connected with a breaker QF4 in series and then is connected with a V-pin of the controller (101), and a V + pin of the controller (101) is connected with a positive electrode of the power supply outlet end of the transformer (102) through a lead;
a pin 101 of the controller (101) is connected with a GSD pin of the frequency converter (103) through a lead, a pin 102 of the controller (101) is connected with a pin A11 of the frequency converter (103) through a lead, a pin 113 of the controller (101) is connected with a pin D12 of the frequency converter (103) through a lead, a pin 112 of the controller (101) is connected with a pin D11 of the frequency converter (103) through a lead, and a pin 111 of the controller (101) is connected with a pin COM of the frequency converter (103) through a lead;
a breaker QF2 is arranged on a power supply inlet end of the frequency converter (103), and a power supply outlet end of the frequency converter (103) is connected with a power supply end of the motor (9) through a lead.
8. The small slow rotating speed roller device according to claim 7, wherein: the motor (9) is a gear reduction three-phase asynchronous motor with the model of GK-150.
9. The small slow rotating speed roller device according to claim 8, wherein: a power supply incoming line wiring bar (16) and a motor power line wiring bar (17) are arranged in the control cabinet, the power supply incoming line wiring bar (16) is connected with the transformer (102) through a wire, and the motor power line wiring bar (17) is connected with the power output end of the frequency converter (103) through a wire and then is connected with the motor (9).
CN202011173770.8A 2020-10-28 2020-10-28 Small low-speed roller device Pending CN112404178A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011173770.8A CN112404178A (en) 2020-10-28 2020-10-28 Small low-speed roller device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011173770.8A CN112404178A (en) 2020-10-28 2020-10-28 Small low-speed roller device

Publications (1)

Publication Number Publication Date
CN112404178A true CN112404178A (en) 2021-02-26

Family

ID=74840285

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011173770.8A Pending CN112404178A (en) 2020-10-28 2020-10-28 Small low-speed roller device

Country Status (1)

Country Link
CN (1) CN112404178A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113179968A (en) * 2021-04-20 2021-07-30 西北工业大学 Remote control type mouse roller movement device and application method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113179968A (en) * 2021-04-20 2021-07-30 西北工业大学 Remote control type mouse roller movement device and application method thereof

Similar Documents

Publication Publication Date Title
CN105858535B (en) A kind of electric power overhaul support device
CN207117555U (en) Solar cell panel assembly
CN112404178A (en) Small low-speed roller device
CN219199042U (en) Lighting equipment for construction
US10378531B2 (en) Non-beam pumping unit driven by a motor reduction unit
CN206287897U (en) A kind of solar communications engineering truck
CN201423637Y (en) Overturning frame used specially for gear box maintenance
CN214321372U (en) Small low-rotation-speed roller device
CN212449417U (en) Conveyor for electromechanical production
CN203471178U (en) Multilayer multi-way carbon dioxide automatic welding tractor
CN219787233U (en) Device for welding wind power semi-direct drive stator and rotor
CN209591936U (en) A kind of fixation kit of pole-mounted circuit breaker
CN208386482U (en) photovoltaic bracket
CN213402913U (en) Photovoltaic component support
CN206195697U (en) Height, inclination, rotation angle adjustable photovoltaic module support
CN209627172U (en) A kind of turnover mechanism of heavy electric machinery
CN211004167U (en) Hoisting device for container
CN210890724U (en) Internet of things-based construction progress real-time follow-up device
CN213572023U (en) Electric power iron tower installation base
CN201863168U (en) Electric-driven bearing/gear installing device capable of adjusting height and angles
CN209267249U (en) A kind of small micro-base station solar energy self-contained electric system
CN217053080U (en) Bridge supports adjusting device for bridge construction
CN216126355U (en) Self-bearing transmission roller type 100-ton gantry shape correction tool
CN216077424U (en) Supporting seat for wind power generation
CN210214660U (en) Transition suspension device

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination