CN111547147B - Auxiliary device convenient to track tensioning - Google Patents
Auxiliary device convenient to track tensioning Download PDFInfo
- Publication number
- CN111547147B CN111547147B CN202010452534.3A CN202010452534A CN111547147B CN 111547147 B CN111547147 B CN 111547147B CN 202010452534 A CN202010452534 A CN 202010452534A CN 111547147 B CN111547147 B CN 111547147B
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- China
- Prior art keywords
- sleeve ring
- rod
- column
- rotating
- main body
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D55/00—Endless track vehicles
- B62D55/32—Assembly, disassembly, repair or servicing of endless-track systems
Abstract
The invention discloses an auxiliary device convenient for tensioning a crawler belt, which comprises a main body and a connecting roller, wherein a reciprocating mechanism is arranged on one side of the main body, second rotating motors are respectively arranged at two ends of the reciprocating mechanism, mounting columns are respectively arranged at the top ends of output shafts of the second rotating motors, clamping blocks are arranged on the peripheries of the surfaces of the mounting columns, a pressing mechanism is arranged in the middle of the side surface of the main body and comprises a hydraulic telescopic rod and a pressing plate, the hydraulic telescopic rod is arranged in the middle of the side surface of the main body, the pressing plate is arranged at the telescopic end of the hydraulic telescopic rod, a telescopic structure is arranged at one end of the bottom of the main body, and a lifting mechanism is. The crawler belt tensioning device is convenient to mount and dismount, and can avoid the position deviation of the crawler belt in the tensioning process; the connecting roller is always engaged with the crawler belt and is convenient to move reversely; the tensioning can be performed for tracks on connecting rollers of different diameters and tracks of different lengths.
Description
Technical Field
The invention relates to the technical field of crawler belt installation, in particular to an auxiliary device convenient for crawler belt tensioning.
Background
The tank crawler belt is driven by a driving wheel, surrounds the driving wheel, a loading wheel, an inducer and a flexible chain ring of a supporting wheel, and consists of a crawler plate, a crawler pin and the like. Tank track need be with it tensioning when installing to make things convenient for subsequent marcing, and the track need utilize auxiliary device to take up.
For example, the hydraulic tensioning device with the authorization publication number of CN208698921U, which is convenient for installing the track, can adjust the tensioning force of the track by controlling the air pressure, reduce the wear of the track, and increase the service life of the track; but the auxiliary device is fixedly arranged between the driving wheel and the driven wheel in the crawler belt through bolts, and the installation and the disassembly are troublesome; the auxiliary device only pushes the driving wheel and the driven wheel to two sides, but the driving wheel and the driven wheel are meshed with the crawler belt, and pushing is not easy to carry out; and the existing track tensioning auxiliary device can not tension tracks with different lengths, driving wheels and driven wheels with different diameters, and the applicability is low.
An effective solution to the problems in the related art has not been proposed yet.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides an auxiliary device convenient for tensioning a track.
In order to achieve the purpose, the invention adopts the following technical scheme:
an auxiliary device convenient for tensioning a crawler belt comprises a main body and two connecting rollers, wherein the second rotating motors, the main body and the connecting rollers are arranged, the two connecting rollers are meshed with two ends inside the crawler belt, the number of the second rotating motors is two, a reciprocating mechanism used for reciprocating the two second rotating motors is arranged on one side of the main body, the two second rotating motors are arranged at two ends of the reciprocating mechanism, mounting columns are arranged at the top ends of output shafts of the second rotating motors, clamping blocks are arranged on the peripheries of the surfaces of the mounting columns, a central column is arranged inside the top end of each mounting column, springs are arranged on the peripheries of the central columns, the other ends of the springs are connected with the clamping blocks, the mounting columns are matched with grooves at one end of the connecting rollers, the clamping blocks are matched with clamping grooves in the inner walls of the grooves, the clamping blocks are provided with a plurality of clamping blocks, a pressing mechanism is arranged in the middle, the utility model discloses a telescopic structure, including main part, mounting panel, telescopic end, telescopic structure, elevating system, first telescopic column, first bevel gear and second bevel gear, the middle part of main part side is equipped with the mounting panel, and installs hydraulic telescoping rod bottom the mounting panel, hydraulic telescoping rod's flexible end is equipped with the clamp plate, the bottom one end of main part is equipped with extending structure, the bottom other end of main part is equipped with elevating system, and elevating system includes the flexible post of second, second cover post, first bevel gear and second bevel gear, extending structure includes first flexible post and first cover post, the top and the main part bottom welding of first flexible post, first flexible bottom of the column both sides all are equipped with the slider, and the slider is located the spout of.
Preferably, the reciprocating mechanism comprises a first rotating motor, a screw rod, a first sleeve ring and a second sleeve ring, the second rotating motor is respectively installed on the side surfaces of the first sleeve ring and the second sleeve ring, the first rotating motor is installed at one end of the main body, an output shaft of the first rotating motor extends into a strip-shaped groove in the main body, and the screw rod is arranged at the left end of the first rotating motor.
Preferably, both ends are equipped with first lantern ring and second lantern ring respectively on the lead screw, first lantern ring place one end is equipped with positive screw on the lead screw, first lantern ring inner wall is equipped with the left-hand thread, second lantern ring place one end is equipped with the left-hand thread on the lead screw, second lantern ring inner wall is equipped with positive screw, and positive and negative screw looks adaptation.
Preferably, reciprocating mechanism includes electric telescopic handle, the third lantern ring, the dead lever, connecting rod and the fourth lantern ring, the dead lever is installed in the inside bar inslot of main part, the both ends of dead lever are equipped with the third lantern ring and the fourth lantern ring respectively, the third lantern ring and the fourth lantern ring side all are connected with the connecting rod through the bearing, the connecting rod other end all is connected through bearing and electric telescopic handle's flexible end, the second rotating electrical machines is all installed to the third lantern ring and fourth lantern ring opposite side.
Preferably, the second sleeve post is internally and rotatably connected with a rotating rod, the rotating rod is provided with a second bevel gear, the side surface of the second bevel gear is engaged with a first bevel gear, the other side of the first bevel gear is provided with a rotating shaft, the other end of the rotating shaft extends out of the side surface of the second sleeve post and is connected with a rotating disc, and the edge of the other side of the rotating disc is provided with a handheld handle.
Preferably, be equipped with the flexible post of second on the bull stick, the flexible capital end of second stretches out from second cover post is inside, the bull stick surface is equipped with positive screw thread, the flexible inside back-threading that is equipped with of post of second, the flexible capital end of second and main part bottom are connected.
The invention has the beneficial effects that:
1. according to the auxiliary device, the mounting column extends into the groove of the connecting roller, the clamping block is clamped into the clamping groove, the mounting column and the connecting roller are connected, namely mounting is completed, only the mounting column needs to be pulled out during dismounting, the auxiliary device is convenient to mount and dismount, the pressing plate is driven to descend through the hydraulic telescopic rod to fix the middle of the crawler belt, and position deviation of the crawler belt in the tensioning process is avoided.
2. The first rotating motor drives the screw rod to rotate, so that the first sleeve ring and the second sleeve ring move reversely to drive the two connecting rollers to move reversely, and the crawler belt is tensioned; meanwhile, the second rotating motor drives the two connecting rollers to rotate reversely, so that the connecting rollers are always engaged with the crawler belt and the connecting rollers can move reversely conveniently.
3. According to the invention, the turntable is rotated by the handle, the turntable drives the first bevel gear to rotate through the rotating shaft, the first bevel gear drives the rotating rod to rotate through the second bevel gear, so that the second telescopic column moves on the rotating rod, the height of the main body can be changed, and the crawler belts on connecting rollers with different diameters can be tensioned; and the distance between the first sleeve ring and the second sleeve ring can be changed, so that the crawler belt with different lengths can be tensioned.
Drawings
Fig. 1 is a schematic structural view of an embodiment 1 of an auxiliary device for facilitating track tensioning according to the present invention;
FIG. 2 is a schematic view of the lift mechanism of embodiment 1 of an auxiliary device for facilitating track tensioning according to the present invention;
FIG. 3 is a schematic view showing a connection state of a mounting post and a connecting roller of embodiment 1 of an auxiliary device for facilitating track tensioning according to the present invention;
FIG. 4 is a schematic view of the telescoping structure of an auxiliary device for facilitating track tensioning according to an embodiment 1 of the present invention;
FIG. 5 is a schematic view of a track tensioning state of an embodiment 1 of an auxiliary device for facilitating track tensioning according to the present invention;
fig. 6 is a schematic structural diagram of an auxiliary device for facilitating track tensioning according to an embodiment 2 of the present invention.
In the figure: 1. a main body; 2. a first collar; 3. a hydraulic telescopic rod; 4. pressing a plate; 5. a second collar; 6. a first rotating electrical machine; 7. a second rotating electrical machine; 8. mounting a column; 9. a clamping block; 10. a first telescopic column; 11. a first set of columns; 12. a second telescopic column; 13. a second set of columns; 14. a turntable; 15. a rotating rod; 16. a second bevel gear; 17. a first bevel gear; 18. a spring; 19. a screw rod; 20. an electric telescopic rod; 21. a third collar; 22. fixing the rod; 23. a connecting rod; 24. a fourth collar; 25. and connecting the rollers.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example 1
Referring to fig. 1-5, an auxiliary device for facilitating tensioning of a track comprises two second rotating motors 7, a main body 1 and two connecting rollers 25, wherein the two connecting rollers 25 are meshed with two ends inside the track, the two second rotating motors 7 are arranged, one side of the main body 1 is provided with a reciprocating mechanism for reciprocating the two second rotating motors 7, the two second rotating motors 7 are arranged at two ends of the reciprocating mechanism, the top ends of output shafts of the second rotating motors 7 are respectively provided with an installation column 8, the periphery of the surface of the installation column 8 is provided with a clamping block 9, the inside of the top end of the installation column 8 is provided with a central column, the periphery of the central column is provided with a spring 18, the other end of the spring 18 is connected with the clamping block 9, the installation column 8 is matched with a groove at one end of the connecting roller 25, the clamping block 9 is matched with a clamping groove on the inner wall of the groove, the clamping block 9 is provided with a plurality, the middle part of 1 side of main part is equipped with the mounting panel, and install hydraulic telescoping rod 3 bottom the mounting panel, hydraulic telescoping rod 3's flexible end is equipped with clamp plate 4, the bottom one end of main part 1 is equipped with extending structure, the bottom other end of main part 1 is equipped with elevating system, and elevating system includes the flexible post 12 of second, second sleeve post 13, first bevel gear 17 and second bevel gear 16, extending structure includes first flexible post 10 and first sleeve post 11, the top and the 1 bottom welding of main part of first flexible post 10, first flexible post 10 bottom both sides all are equipped with the slider, and the slider is located inside and the spout sliding connection of the spout of the 11 both sides inner walls of first sleeve post.
The utility model discloses a reciprocating mechanism includes first rotating electrical machines 6, lead screw 19, first lantern ring 2 and second lantern ring 5, second rotating electrical machines 7 are installed respectively in the side of first lantern ring 2 and second lantern ring 5, first rotating electrical machines 6 are installed in main part 1 one end, the output shaft of first rotating electrical machines 6 stretches into the bar groove of main part 1 inside, the left end of first rotating electrical machines 6 is equipped with lead screw 19, both ends are equipped with first lantern ring 2 and second lantern ring 5 respectively on the lead screw 19, the one end of first lantern ring 2 place on the lead screw 19 is equipped with the positive screw thread, the inner wall of first lantern ring 2 is equipped with the negative screw thread, the one end of second lantern ring 5 place on the lead screw 19 is equipped with the negative screw thread, the inner wall of second lantern ring 5 is equipped with the positive screw thread, and positive and negative screw thread looks adaptation, second lantern ring 13 internal rotation is connected with bull stick 15, install second bevel gear 16 on the bull stick 15, second bevel gear 16, first bevel gear 17 opposite side is equipped with the pivot, and the pivot other end stretches out and is connected with carousel 14 from second cover post 13 side, and 14 opposite side borders of carousel are equipped with handheld handle, are equipped with the flexible post 12 of second on the bull stick 15, and the flexible post 12 top of second stretches out from second cover post 13 is inside, and 15 surfaces of bull stick are equipped with positive screw thread, and the flexible post 12 inside of second is equipped with the reverse thread, and the flexible post 12 top of second is connected with main part 1 bottom.
The working principle of the embodiment is as follows: the rotating disc 14 is rotated by a hand-held handle, the rotating disc 14 drives the first bevel gear 17 to rotate through the rotating shaft, the first bevel gear 17 drives the rotating rod 15 to rotate through the second bevel gear 16, so that the second telescopic column 12 moves on the rotating rod 15, the height of the main body 1 can be changed, and the crawler belts on the connecting rollers 25 with different diameters can be tensioned; the first rotating motor 6 is started to drive the screw rod 19 to rotate, so that the first lantern ring 2 and the second lantern ring 5 move oppositely or reversely, and the caterpillar bands with different lengths can be tensioned; the mounting column 8 extends into the groove of the connecting roller 25, the clamping block 9 is clamped into the clamping groove, the mounting column 8 and the connecting roller 25 are connected, mounting is completed, only the mounting column 8 needs to be pulled out during dismounting, the auxiliary device is convenient to mount and dismount, and the hydraulic telescopic rod 3 is started to drive the pressing plate 4 to descend so as to fix the middle part of the crawler belt and prevent the crawler belt from being shifted in position during tensioning; the first rotating motor 6 is started again to drive the screw rod 19 to rotate, so that the first lantern ring 2 and the second lantern ring 5 move reversely to drive the two connecting rollers 25 to move reversely, and the crawler belt is tensioned; and meanwhile, the second rotating motor 7 is started to drive the two connecting rollers 25 to rotate reversely, so that the connecting rollers 25 are always engaged with the crawler belt and the connecting rollers 25 can move reversely conveniently.
Example 2
Referring to fig. 6, the embodiment is different from embodiment 1 only in that the reciprocating mechanism includes an electric telescopic rod 20, a third collar 21, a fixing rod 22, a connecting rod 23 and a fourth collar 24, the fixing rod 22 is installed inside a strip-shaped groove inside the main body 1, both ends of the fixing rod 22 are respectively provided with the third collar 21 and the fourth collar 24, the side surfaces of the third collar 21 and the fourth collar 24 are both connected with the connecting rod 23 through a bearing, the other end of the connecting rod 23 is connected with a telescopic end of the electric telescopic rod 20 through a bearing, and the other sides of the third collar 21 and the fourth collar 24 are both provided with a second rotating motor 7.
The working principle of the embodiment is as follows: starting the electric telescopic rod 20 to push one end of the connecting rod 23 forwards, and driving the third lantern ring 21 and the fourth lantern ring 24 to move reversely by the other end of the connecting rod 23 so as to drive the two connecting rollers 25 to move reversely and tension the crawler; and meanwhile, the second rotating motor 7 is started to drive the two connecting rollers 25 to rotate reversely, so that the connecting rollers 25 are always engaged with the crawler belt and the connecting rollers 25 can move reversely conveniently.
Having shown and described the basic principles and essential features of the invention and its advantages, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof, and thus, the embodiments are considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, any reference signs in the claims being therefore intended to be embraced therein.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. An auxiliary device convenient for tensioning a crawler belt comprises two second rotating motors (7), a main body (1) and two connecting rollers (25), and is characterized in that the two connecting rollers (25) are meshed with two ends inside the crawler belt, the number of the second rotating motors (7) is two, a reciprocating mechanism used for moving the two second rotating motors (7) in a reciprocating mode is arranged on one side of the main body (1), the two second rotating motors (7) are installed at two ends of the reciprocating mechanism, mounting columns (8) are arranged at the top ends of output shafts of the second rotating motors (7), clamping blocks (9) are arranged on the peripheries of the surfaces of the mounting columns (8), a central column is arranged inside the top end of each mounting column (8), springs (18) are arranged on the periphery of the central column, the other ends of the springs (18) are connected with the clamping blocks (9), the mounting columns (8) are matched with grooves at one end of the connecting rollers (25), the clamping blocks (9) are matched with the clamping grooves in the inner wall of the groove, a plurality of clamping blocks (9) are arranged, the middle of the side face of the main body (1) is provided with a pressing mechanism, the pressing mechanism comprises a hydraulic telescopic rod (3) and a pressing plate (4), the middle of the side face of the main body (1) is provided with a mounting plate, the hydraulic telescopic rod (3) is mounted at the bottom of the mounting plate, the pressing plate (4) is arranged at the telescopic end of the hydraulic telescopic rod (3), a telescopic structure is arranged at one end of the bottom of the main body (1), a lifting mechanism is arranged at the other end of the bottom of the main body (1), the lifting mechanism comprises a second telescopic column (12), a second sleeve column (13), a first bevel gear (17) and a second bevel gear (16), the telescopic structure comprises a first telescopic column (10) and a first sleeve column (11), and the top end of the first telescopic column, the two sides of the bottom of the first telescopic column (10) are respectively provided with a sliding block, and the sliding blocks are located inside sliding grooves in the inner walls of the two sides of the first sleeve column (11) and are in sliding connection with the sliding grooves.
2. The auxiliary device for facilitating tensioning of the crawler belt is characterized in that the reciprocating mechanism comprises a first rotating motor (6), a screw rod (19), a first sleeve ring (2) and a second sleeve ring (5), the second rotating motor (7) is respectively installed on the side surfaces of the first sleeve ring (2) and the second sleeve ring (5), the first rotating motor (6) is installed at one end of the main body (1), an output shaft of the first rotating motor (6) extends into a strip-shaped groove in the main body (1), and the screw rod (19) is arranged at the left end of the first rotating motor (6).
3. The auxiliary device convenient for tensioning the crawler belt according to claim 2, wherein a first sleeve ring (2) and a second sleeve ring (5) are respectively arranged at two ends of the screw rod (19), a positive thread is arranged at one end of the screw rod (19) where the first sleeve ring (2) is located, a negative thread is arranged on the inner wall of the first sleeve ring (2), a negative thread is arranged at one end of the screw rod (19) where the second sleeve ring (5) is located, a positive thread is arranged on the inner wall of the second sleeve ring (5), and the positive thread and the negative thread are matched.
4. The auxiliary device convenient for tensioning the crawler belt as claimed in claim 1, wherein the reciprocating mechanism comprises an electric telescopic rod (20), a third sleeve ring (21), a fixing rod (22), a connecting rod (23) and a fourth sleeve ring (24), the fixing rod (22) is installed inside a strip-shaped groove inside the main body (1), the third sleeve ring (21) and the fourth sleeve ring (24) are respectively arranged at two ends of the fixing rod (22), the connecting rod (23) is connected to the side surfaces of the third sleeve ring (21) and the fourth sleeve ring (24) through bearings, the other end of the connecting rod (23) is connected with the telescopic end of the electric telescopic rod (20) through a bearing, and a second rotating motor (7) is installed at the other side of the third sleeve ring (21) and the fourth sleeve ring (24).
5. The auxiliary device for facilitating tensioning of the crawler belt as claimed in claim 1, wherein a rotating rod (15) is rotatably connected inside the second sleeve column (13), a second bevel gear (16) is mounted on the rotating rod (15), a first bevel gear (17) is engaged on the side surface of the second bevel gear (16), a rotating shaft is arranged on the other side of the first bevel gear (17), the other end of the rotating shaft extends out of the side surface of the second sleeve column (13) and is connected with a rotating disc (14), and a handle is arranged on the edge of the other side of the rotating disc (14).
6. An auxiliary device for facilitating tensioning of a track as claimed in claim 5, wherein the rotating rod (15) is provided with a second telescopic column (12), the top end of the second telescopic column (12) extends out of the interior of the second sleeve column (13), the surface of the rotating rod (15) is provided with positive threads, the interior of the second telescopic column (12) is provided with negative threads, and the top end of the second telescopic column (12) is connected with the bottom of the main body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010452534.3A CN111547147B (en) | 2020-05-26 | 2020-05-26 | Auxiliary device convenient to track tensioning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010452534.3A CN111547147B (en) | 2020-05-26 | 2020-05-26 | Auxiliary device convenient to track tensioning |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111547147A CN111547147A (en) | 2020-08-18 |
| CN111547147B true CN111547147B (en) | 2021-06-29 |
Family
ID=71996969
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010452534.3A Expired - Fee Related CN111547147B (en) | 2020-05-26 | 2020-05-26 | Auxiliary device convenient to track tensioning |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111547147B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112009587A (en) * | 2020-09-15 | 2020-12-01 | 贺超 | Motor vehicle track extracting tool convenient to use |
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|---|---|---|---|---|
| JPS5728705Y2 (en) * | 1978-08-29 | 1982-06-23 | ||
| CN207029349U (en) * | 2017-05-03 | 2018-02-23 | 新昌县科畅科技咨询有限公司 | A kind of portable crawler belt pressing device of industry |
| CN107986001A (en) * | 2017-11-29 | 2018-05-04 | 桐乡弗格莱纺织有限公司 | A kind of adjustable Bottle ＆ Can clamp device |
| CN108128362A (en) * | 2017-12-26 | 2018-06-08 | 安徽奥利休闲农业发展有限公司 | A kind of track takeup |
| CN109823802A (en) * | 2019-03-28 | 2019-05-31 | 赵秀军 | It is a kind of to be convenient for clean conveying device applied widely for rare earth mining |
| CN110342195A (en) * | 2019-07-20 | 2019-10-18 | 苏州秋纺纺织科技有限公司 | A kind of tightness adjustable device automating textile machinery conveyer belt |
| CN209987163U (en) * | 2019-01-16 | 2020-01-24 | 西安新意达建筑制品有限公司 | Concrete mixer |
| CN210312140U (en) * | 2019-06-27 | 2020-04-14 | 河北环球科技股份有限公司 | But tensile belt feeder of automatically regulated belt |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10974778B2 (en) * | 2017-07-25 | 2021-04-13 | Clark Equipment Company | Track mounting tool |
-
2020
- 2020-05-26 CN CN202010452534.3A patent/CN111547147B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5728705Y2 (en) * | 1978-08-29 | 1982-06-23 | ||
| CN207029349U (en) * | 2017-05-03 | 2018-02-23 | 新昌县科畅科技咨询有限公司 | A kind of portable crawler belt pressing device of industry |
| CN107986001A (en) * | 2017-11-29 | 2018-05-04 | 桐乡弗格莱纺织有限公司 | A kind of adjustable Bottle ＆ Can clamp device |
| CN108128362A (en) * | 2017-12-26 | 2018-06-08 | 安徽奥利休闲农业发展有限公司 | A kind of track takeup |
| CN209987163U (en) * | 2019-01-16 | 2020-01-24 | 西安新意达建筑制品有限公司 | Concrete mixer |
| CN109823802A (en) * | 2019-03-28 | 2019-05-31 | 赵秀军 | It is a kind of to be convenient for clean conveying device applied widely for rare earth mining |
| CN210312140U (en) * | 2019-06-27 | 2020-04-14 | 河北环球科技股份有限公司 | But tensile belt feeder of automatically regulated belt |
| CN110342195A (en) * | 2019-07-20 | 2019-10-18 | 苏州秋纺纺织科技有限公司 | A kind of tightness adjustable device automating textile machinery conveyer belt |
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| CN111547147A (en) | 2020-08-18 |
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