CN114576330A - Differential mechanism of forklift - Google Patents

Differential mechanism of forklift Download PDF

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Publication number
CN114576330A
CN114576330A CN202210245802.3A CN202210245802A CN114576330A CN 114576330 A CN114576330 A CN 114576330A CN 202210245802 A CN202210245802 A CN 202210245802A CN 114576330 A CN114576330 A CN 114576330A
Authority
CN
China
Prior art keywords
driving wheel
differential
gear
driving
fixedly connected
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.)
Withdrawn
Application number
CN202210245802.3A
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Chinese (zh)
Inventor
李�根
李继波
李刚
刘斌
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.)
Shandong Runtong Gear Group Co ltd
Original Assignee
Shandong Runtong Gear Group 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 Shandong Runtong Gear Group Co ltd filed Critical Shandong Runtong Gear Group Co ltd
Priority to CN202210245802.3A priority Critical patent/CN114576330A/en
Publication of CN114576330A publication Critical patent/CN114576330A/en
Withdrawn legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
    • F16H37/02—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings
    • F16H37/06—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts
    • F16H37/08—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing
    • F16H37/0806—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing with a plurality of driving or driven shafts
    • F16H37/0813—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing with a plurality of driving or driven shafts with only one input shaft
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K17/00—Arrangement or mounting of transmissions in vehicles
    • B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
    • B60K17/16—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of differential gearing
    • B60K17/165—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of differential gearing provided between independent half axles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
    • B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
    • B66F9/075—Constructional features or details
    • B66F9/07572—Propulsion arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/02—Gearboxes; Mounting gearing therein
    • F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/02—Gearboxes; Mounting gearing therein
    • F16H57/037—Gearboxes for accommodating differential gearings

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Structural Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • Chemical & Material Sciences (AREA)
  • Civil Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Motor Power Transmission Devices (AREA)
  • Forklifts And Lifting Vehicles (AREA)
  • Retarders (AREA)

Abstract

The invention relates to the technical field of production and manufacture of differentials, and discloses an electric forklift differential, which comprises a driving rod, the driving rod rotates to drive the driving wheel to rotate, then the driving wheel and the gear shaft are driven to rotate, the pinion on the gear shaft drives the four planetary gears to rotate, power is transmitted to the driving shell through pin shafts of the four planetary gears to complete three-stage speed reduction, the driving shell drives the differential shell to rotate when rotating, the differential mechanism has the advantages of simple structure and compact design, solves the problem of overlarge occupied space size of the existing differential mechanism, and has the effect of reducing the occupied space and simultaneously not changing the transmission ratio.

Description

Differential mechanism of forklift
Technical Field
The invention relates to the technical field of differential, in particular to a differential of a forklift.
Background
The power of the electric forklift is distributed to the half shafts from the motor to the speed reducer, the differential mechanism and the transmission shaft from left to right, the speed reducer, the differential mechanism and the transmission shaft, the half shafts form a driving axle of the forklift, the differential mechanism has the function of ensuring that the left and right wheels of the forklift can roll at different rotating speeds when the forklift runs in a turn or on uneven roads, the motor power adopts three-level speed reduction, the differential mechanism is mainly transmitted to the half shafts through the differential mechanism and comprises a differential mechanism shell, a main speed reduction gear, a left bevel gear, a right bevel gear, a planetary bevel gear and the like, but the configuration can cause that the structure of the transmission system occupies larger space, the forked size of the forklift is influenced, the layout space of the forklift is reduced, and a certain obstruction is brought to the high-efficiency work of the forklift, so that the transmission ratio is not reduced while the space size of the transmission system of the forklift can be effectively reduced, becomes a technical problem which needs to be solved urgently.
Disclosure of Invention
The invention aims to solve the problems and provides a forklift differential.
In order to achieve the purpose, the invention provides a differential mechanism of a forklift, which comprises a driving rod, wherein the bottom of the driving rod is fixedly connected with a driving wheel, the outer wall of the driving wheel is meshed with a driving wheel, the right side of the driving wheel is fixedly connected with a gear shaft, the outer wall of the gear shaft is fixedly connected with a pinion, the outer wall of the pinion is meshed with a planetary gear, the center of the planetary gear is movably connected with a pin shaft, the pin shaft is fixedly connected to the inner wall of a driving shell, the outer wall of the planetary gear is meshed with an internal gear, the internal gear is fixedly connected to the inner wall of a large gear ring, the outer wall of the large gear ring is fixedly connected with a flange, the outer wall of the flange is provided with a mounting screw hole, the left side of the flange is movably connected with an axle housing, the inside of the gear shaft is inserted with a left half shaft, the right side of the left half shaft is fixedly connected with a first driven wheel, the first right side upper portion meshing from the driving wheel has first action wheel, the first right side lower part meshing from the driving wheel has the second action wheel, the right side meshing of first action wheel and second action wheel has the second from the driving wheel, the second is from the right side fixedly connected with right side semi-axis of driving wheel, the equal swing joint in center department of first action wheel and second action wheel has the bearing, bearing fixed connection is on the inner wall of differential mechanism casing.
Preferably, the planetary gears are four, the centers of the four planetary gears are meshed with the small gear, the edges of the four planetary gears are meshed with the internal gear, and a planetary gear train is formed among the planetary gears, the small gear and the internal gear, so that the transmission ratio is not reduced while the gears of the transmission system are effectively reduced, and the whole space is more neat and compact.
Preferably, the edge of the planetary gear penetrates through the outer wall of the driving shell to be meshed with the inner gear, so that the planetary gear can rotate on the inner gear, but the inner gear is fixedly connected to the large gear ring, so that the planetary gear rotates to drive the pin shaft and the driving shell to slowly rotate, power is transmitted to the driving shell, and three-stage speed reduction is completed.
Preferably, the right side of the driving shell is fixedly connected with the left side of the differential case, and the driving shell can drive the differential case to rotate when being driven by the planetary gear, so that the differential device in the differential case can effectively operate.
Preferably, the flange uses the screw to link together flange and axle housing through the installation screw socket, fixes the position of flange, makes welded bull gear position on the flange also fixed, can not driven by planetary gear and rotate, and bolted connection is convenient for dismantle the maintenance.
Preferably, a right-angled rectangle is formed between the first driven wheel, the first driving wheel, the second driving wheel and the second driven wheel, so that the first driven wheel and the second driven wheel can rotate when the first driving wheel and the second driving wheel are driven to rotate by the differential shell, and the left half shaft and the right half shaft are driven to rotate to drive the forklift to run, the rectangular shape is formed, the structure is more stable, and the power transmission is more uniform.
Preferably, the left half shaft and the right half shaft are fixedly connected with the first driven wheel and the second driven wheel through internal splines respectively, the spline connection enables the connection to be more stable and firm, the driving is difficult to lose efficacy due to the problems of abrasion and the like after the left half shaft and the right half shaft are used for a long time, and the service life of the differential is prolonged.
Advantageous effects
Compared with the prior art, the invention provides an electric forklift differential, which has the following beneficial effects:
1. the differential mechanism of the electric forklift is designed in such a way that a driving wheel is driven to rotate by a driving rod, the power of a motor is subjected to secondary speed reduction by a speed reducer at the moment, the driving wheel rotates to drive a driving wheel meshed with the outer wall of the driving wheel to rotate, the driving wheel rotates to drive a gear shaft on the right side of the driving wheel to rotate, so that a pinion on a gear shaft drives four planetary gears meshed with the pinion to rotate, when the four planetary gears rotate, the outer wall of the four planetary gears is meshed with an inner gear, but the inner gear is fixed on a large gear ring which is fixedly connected to a flange and cannot rotate, so that the planetary gears cannot drive the large gear ring to rotate, and only can drive a pin shaft and a driving shell provided with the pin shaft to rotate to transmit the power to the driving shell to complete three-level speed reduction The flange, the bearing and the driving shell are matched for use, so that the effects of carrying out three-stage speed reduction on the output power of the motor and effectively reducing the size of a transmission system are achieved.
2. The differential mechanism of the electric forklift is designed in such a way that the differential mechanism shell fixedly connected at the right side is driven to rotate by the rotation of the driving shell, the bearing fixedly connected inside the differential mechanism shell is driven to rotate when the differential mechanism shell rotates, thereby enabling the first driving wheel and the second driving wheel fixedly connected with the bearing to rotate, when the first driving wheel and the second driving wheel rotate, drives a first driven wheel and a second driven wheel which are engaged with the outer wall of the driving wheel to rotate, the outer sides of the first driven wheel and the second driven wheel are respectively fixed with a left half shaft and a right half shaft through internal splines, this enables the wheels to rotate by the rotation of the left and right half shafts, achieving the function of differential, through the matching use of the driving shell, the differential shell, the bearing, the first driving wheel, the second driving wheel, the first driven wheel, the second driven wheel, the left half shaft and the right half shaft, therefore, the effect that the differential can realize the differential function and reduce the space size is achieved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1 in accordance with the present invention;
FIG. 3 is a partial side view of the planetary gear of the present invention.
Detailed Description
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
The present invention is described in detail below with reference to the drawings and the specific embodiments, which are not repeated herein, but the embodiments of the present invention are not limited to the following embodiments.
As shown in fig. 1, the present invention provides a differential mechanism for a forklift, comprising a driving rod 1, wherein the bottom of the driving rod 1 is fixedly connected with a driving wheel 2, the outer wall of the driving wheel 2 is engaged with a driving wheel 3, the right side of the driving wheel 3 is fixedly connected with a gear shaft 6, the outer wall of the gear shaft 6 is fixedly connected with a pinion 7, the outer wall of the pinion 7 is engaged with a planetary gear 8, four planetary gears 8 are provided, the centers of the four planetary gears are all engaged with the pinion 7, the edges of the four planetary gears are all engaged with an internal gear 11, a planetary gear train is formed between the planetary gear 8 and the pinion 7 as well as the internal gear 11, the transmission ratio is not reduced while the transmission gear train is effectively reduced, the whole space is more neat and compact, the center of the planetary gear 8 is movably connected with a pin shaft 9, the pin shaft 9 is fixedly connected to the inner wall of a driving shell 10, the outer wall of the planetary gear 8 is engaged with the internal gear 11, the edge of the planet gear 8 penetrates through the outer wall of the driving shell 10 to be meshed with the inner gear 11, so that the planet gear 8 can rotate on the inner gear 11, but the inner gear 11 is fixedly connected to the large gear ring 12, so that the planet gear 8 rotates to drive the pin shaft 9 and the driving shell 10 to slowly rotate, power is transmitted to the driving shell 10 to complete three-stage speed reduction, the inner gear 11 is fixedly connected to the inner wall of the large gear ring 12, the outer wall of the large gear ring 12 is fixedly connected with a flange 13, the outer wall of the flange 13 is provided with a mounting screw 16, the left side of the flange 13 is movably connected with an axle housing 14, the flange 13 is connected with the axle housing 14 through the mounting screw 16 by using screws, the position of the flange 13 is fixed, the large gear ring 12 welded on the flange 13 is also fixed and cannot be driven by the planet gear 8 to rotate, the screw connection is convenient to disassemble and overhaul, the left half shaft 4 is inserted into the gear shaft 6, the right side of the left half shaft 4 is fixedly connected with a first driven wheel 17, the upper part of the right side of the first driven wheel 17 is engaged with a first driving wheel 18, the lower part of the right side of the first driven wheel 17 is engaged with a second driving wheel 19, the right sides of the first driving wheel 18 and the second driving wheel 19 are engaged with a second driven wheel 20, a right-angled rectangle is formed between the first driven wheel 17, the first driving wheel 18, the second driving wheel 19 and the second driven wheel 20, so that the first driving wheel 18 and the second driving wheel 19 can rotate when being driven by the differential case 15, the first driven wheel 17 and the second driven wheel 20 are driven to rotate, the left half shaft 4 and the right half shaft 5 are driven to rotate to drive the forklift to run, the rectangular shape can enable the structure to be more stable, the power transmission to be more uniform, and the right side of the second driven wheel 20 is fixedly connected with the right half shaft 5, left side semi-axis 4 and right side semi-axis 5 all through the internal spline respectively with first from driving wheel 17 and the second from driving wheel 20 fixed connection, spline connection makes the junction more stable firm, also difficult make the drive inefficacy because of wearing and tearing scheduling problem after permanent use, differential's life has been improved, the equal swing joint in center department of first action wheel 18 and second action wheel 19 has bearing 21, bearing 21 fixed connection is on differential casing 15's inner wall, the right side of drive shell 10 and differential casing 15's left side fixed connection, drive shell 10 can drive differential casing 15 when rotating under planetary gear 8's drive and rotate, and then make the differential gear in the differential casing 15 can move effectively.
The working principle is as follows: the power of the motor is decelerated for the second time through the speed reducer and then drives the driving wheel 2 to rotate through the driving rod 1, the driving wheel 2 rotates to drive the driving wheel 3 and the gear shaft 6 to rotate, so that the pinion 7 drives the four planet gears 8 to rotate, the four planet gears 8 can not drive the large gear ring 12 to rotate, only can drive the pin shaft 9 and the driving shell 10 provided with the pin shaft 9 to rotate, the power is transmitted to the driving shell 10 to complete three-stage speed reduction, the driving shell 10 drives the differential case 15 to rotate when rotating, and the bearing 21 in the differential case 15 and the first driving wheel 18 and the second driving wheel 19 on the bearing 21 are rotated, the first driving wheel 18 and the second driving wheel 19 are engaged with the first driven wheel 17 and the second driven wheel 20 to rotate, and then the left half shaft 4 and the right half shaft 5 are driven to rotate, so that the wheels are rotated, and the differential function is realized.
In summary, in the differential design of the electric forklift, the driving wheel 2 is driven to rotate by the driving rod 1, at this time, the power of the motor is subjected to secondary speed reduction by the speed reducer, the driving wheel 2 drives the driving wheel 3 meshed with the outer wall of the driving wheel to rotate, the driving wheel 3 drives the gear shaft 6 on the right side of the driving wheel 3 to rotate, so that the pinion 7 on the gear shaft 6 drives the four planetary gears 8 meshed with the driving wheel to rotate, when the four planetary gears 8 rotate, because the outer wall of the planetary gears is meshed with the internal gear 11, but the internal gear 11 is fixed on the large gear ring 12, the large gear ring 12 is fixedly connected to the flange 13 and cannot rotate, the planetary gears 8 cannot drive the large gear ring 12 to rotate, only can drive the pin shaft 9 and the driving shell 10 provided with the pin shaft 9 to rotate, the power is transmitted to the driving shell 10 to complete three-stage speed reduction, and the driving rod 1, the driving wheel and the driving wheel are connected to the four planetary gears 8, The driving wheel 2, the driving wheel 3, the gear shaft 6, the pinion 7, the planet gear 8, the internal gear 11, the large gear ring 12, the flange 13, the pin shaft 9 and the driving shell 10 are used in a matching way, so that the effects of carrying out three-stage speed reduction on the output power of the motor and effectively reducing the size of a transmission system are achieved; the differential portion is realized, the differential housing 15 fixedly connected at the right side is driven to rotate by the rotation of the driving shell 10, when the differential housing 15 rotates, the bearing 21 fixedly connected inside the differential housing is driven to rotate, so that the first driving wheel 18 and the second driving wheel 19 fixedly connected on the bearing 21 rotate, when the first driving wheel 18 and the second driving wheel 19 rotate, the first driven wheel 17 and the second driven wheel 20 meshed with the outer walls of the first driving wheel and the second driven wheel are driven to rotate, the outer sides of the first driven wheel 17 and the second driven wheel 20 are respectively fixed with the left half shaft 4 and the right half shaft 5 through internal splines, so that the wheels can be driven to rotate by the rotation of the left half shaft 4 and the right half shaft 5, the differential function is realized, and by the cooperation between the driving shell 10, the differential housing 15, the bearing 21, the first driving wheel 18, the second driving wheel 19, the first driven wheel 17, the second driven wheel 20, the left half shaft 4 and the right half shaft 5, therefore, the effect that the differential can realize the differential function and simultaneously reduce the space size is achieved.
The above description is only one embodiment of the present invention, and is not intended to limit the present invention, and it is apparent to those skilled in the art that various modifications and variations can be made in the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. A fork truck differential, includes actuating lever (1), its characterized in that: the bottom of the driving rod (1) is fixedly connected with a driving wheel (2), the outer wall of the driving wheel (2) is meshed with a driving wheel (3), the right side of the driving wheel (3) is fixedly connected with a gear shaft (6), the outer wall of the gear shaft (6) is fixedly connected with a pinion (7), the outer wall of the pinion (7) is meshed with a planetary gear (8), the center of the planetary gear (8) is movably connected with a pin shaft (9), the pin shaft (9) is fixedly connected onto the inner wall of a driving shell (10), the outer wall of the planetary gear (8) is meshed with an internal gear (11), the internal gear (11) is fixedly connected onto the inner wall of a large gear ring (12), the outer wall of the large gear ring (12) is fixedly connected with a flange (13), the outer wall of the flange (13) is provided with an installation screw hole (16), and the left side of the flange (13) is movably connected with an axle housing (14), the left half shaft (4) is inserted into the gear shaft (6), a first driven wheel (17) is fixedly connected to the right side of the left half shaft (4), a first driving wheel (18) is meshed to the upper portion of the right side of the first driven wheel (17), a second driving wheel (19) is meshed to the lower portion of the right side of the first driven wheel (17), a second driven wheel (20) is meshed to the right sides of the first driving wheel (18) and the second driving wheel (19), a right half shaft (5) is fixedly connected to the right side of the second driven wheel (20), bearings (21) are movably connected to the centers of the first driving wheel (18) and the second driving wheel (19), and the bearings (21) are fixedly connected to the inner wall of the differential case (15).
2. The forklift differential of claim 1, wherein: the number of the planet gears (8) is four, the centers of the planet gears are meshed with the small gear (7), and the edges of the planet gears are meshed with the internal gear (11).
3. The forklift differential of claim 1, wherein: the edge of the planet gear (8) penetrates through the outer wall of the driving shell (10) and is meshed with the internal gear (11).
4. The forklift differential of claim 1, wherein: the right side of the driving shell (10) is fixedly connected with the left side of the differential shell (15).
5. The forklift differential of claim 1, wherein: the flange (13) is connected with the axle housing (14) through a mounting screw (16) by using screws.
6. The forklift differential of claim 1, wherein: a right-angled rectangle is formed among the first driven wheel (17), the first driving wheel (18), the second driving wheel (19) and the second driven wheel (20).
7. The forklift differential of claim 1, wherein: the left half shaft (4) and the right half shaft (5) are fixedly connected with the first driven wheel (17) and the second driven wheel (20) through internal splines respectively.
CN202210245802.3A 2022-03-14 2022-03-14 Differential mechanism of forklift Withdrawn CN114576330A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210245802.3A CN114576330A (en) 2022-03-14 2022-03-14 Differential mechanism of forklift

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210245802.3A CN114576330A (en) 2022-03-14 2022-03-14 Differential mechanism of forklift

Publications (1)

Publication Number Publication Date
CN114576330A true CN114576330A (en) 2022-06-03

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ID=81780071

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210245802.3A Withdrawn CN114576330A (en) 2022-03-14 2022-03-14 Differential mechanism of forklift

Country Status (1)

Country Link
CN (1) CN114576330A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115401039A (en) * 2022-10-09 2022-11-29 常州大学 Cleaning device in pipeline

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115401039A (en) * 2022-10-09 2022-11-29 常州大学 Cleaning device in pipeline

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