CN108891876B - Positionable belt elevator - Google Patents

Positionable belt elevator Download PDF

Info

Publication number
CN108891876B
CN108891876B CN201810854383.7A CN201810854383A CN108891876B CN 108891876 B CN108891876 B CN 108891876B CN 201810854383 A CN201810854383 A CN 201810854383A CN 108891876 B CN108891876 B CN 108891876B
Authority
CN
China
Prior art keywords
sliding
rack
block
positioning device
driving motor
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.)
Active
Application number
CN201810854383.7A
Other languages
Chinese (zh)
Other versions
CN108891876A (en
Inventor
陈应国
董朋朋
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.)
Anhui Better Mechanical & Electronic Co ltd
Original Assignee
Anhui Better Mechanical & Electronic 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 Anhui Better Mechanical & Electronic Co ltd filed Critical Anhui Better Mechanical & Electronic Co ltd
Priority to CN201810854383.7A priority Critical patent/CN108891876B/en
Publication of CN108891876A publication Critical patent/CN108891876A/en
Application granted granted Critical
Publication of CN108891876B publication Critical patent/CN108891876B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G35/00Mechanical conveyors not otherwise provided for

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transmission Devices (AREA)

Abstract

The invention provides a positionable belt elevator which comprises a rack and a first supporting plate connected to one side of the rack in a sliding manner, wherein a first positioning device is arranged on one side of the first supporting plate, a first sliding groove is formed in the middle of one side of the first supporting plate, the first positioning device is connected with the first sliding groove in a sliding manner, a first transmission chain is arranged above the first positioning device, a first driving motor is arranged on the inner side above the rack, a driving shaft of the first driving motor is connected with a first rotating rod, a gear roller is arranged on the first rotating rod, the first transmission chain is connected with one end of the gear roller in an occluded manner, a tension block is arranged at the other end of the first transmission chain and is connected with the inner side of the rack in a sliding manner, two first gear strips are symmetrically arranged on the inner side of the rack, a second gear strip is correspondingly arranged on one side of the tension block and is connected with. Increase pulling force through the interlock of pulling force piece and the inboard first rack of frame to play the effect of support to first backup pad.

Description

Positionable belt elevator
Technical Field
The invention relates to the technical field of conveying, in particular to a positioning type belt elevator.
Background
The hoist is large mechanical equipment for transportation by changing potential energy, such as a mine hoist, a dam-crossing hoist and the like. Broadly, elevators, overhead cranes, winches, stabilizers, cranes, hoist machines, etc. may be referred to as hoists. The hoister generally refers to large mechanical equipment with high power and high hoisting capacity. The flexible steel wire rope and the transported goods are dragged to move up and down by the power machine to finish the transportation process, the steel wire rope is an indispensable important part of the hoisting machine, and the main varieties comprise a phosphated coating steel wire rope, a galvanized steel wire rope, a stainless steel wire rope, a smooth steel wire rope and the like.
Existing hoists are, for example, described in patent nos.: 201510033398.3, the material is lifted upwards by the support plate being moved upwards by a cable, usually around pulleys.
However, in the process of lifting upwards, the steel wire has certain toughness, so that the lifting height of the supporting plate is difficult to control, and after the first supporting plate is lifted to a certain height, the pulley needs to be kept still to continuously apply a rotating force to the driving motor, but the force cannot be greater than the gravity of the material, so that the loss of the motor is increased.
Disclosure of Invention
The invention provides a positionable belt elevator, which is used for solving the technical problems that in the process of upward lifting, a steel wire has certain toughness, so that the lifting height of a supporting plate is difficult to control, and after a first supporting plate is lifted to a certain height, a pulley needs to be kept still to drive a motor to continuously apply a rotating force, but the force cannot be larger than the gravity of a material, so that the loss of the motor is increased.
In order to achieve the purpose, the invention adopts the following technical scheme: a belt elevator capable of being positioned comprises a frame and a first supporting plate connected to one side of the frame in a sliding manner, wherein a first positioning device is arranged on one side of the first supporting plate, a first sliding chute is arranged in the middle of one side of the first supporting plate, the first positioning device is connected with the first sliding chute in a sliding manner, a first transmission chain is arranged above the first positioning device, a first driving motor is arranged on the inner side above the frame, a driving shaft of the first driving motor is connected with a first rotating rod, a gear roller is arranged on the first rotating rod, the first transmission chain is connected with one end of the gear roller in an occluded manner, a tension block is arranged at the other end of the first transmission chain and is connected with the inner side of the frame in a sliding manner, two first gear strips are symmetrically arranged on the inner side of the frame, a second gear strip is correspondingly arranged on one side of the tension block, and the second gear strip is connected with the first gear strip, a second positioning device is arranged on the tension block and is connected with the rack in a sliding manner;
the first positioning device comprises a first sliding block, first convex blocks are arranged at two ends of the first sliding block, second sliding grooves are correspondingly arranged on the rack, the first convex blocks are connected with the second sliding grooves in a sliding mode, two second sliding rods are arranged in the middle of one side of the first sliding block, the second sliding rods are connected with the first supporting plate in a sliding mode, a third sliding groove is arranged on the first supporting plate, two first grooves are symmetrically arranged on the first sliding block, a first lead screw and a third sliding rod are arranged in the two first grooves respectively, a second driving motor is arranged at one end of the first lead screw, the second driving motor is fixedly connected with the first grooves, the first lead screw and the third sliding rod are connected with a first limiting plate in a rotating mode, the first limiting plate is connected with the third sliding grooves in a sliding mode, and the first limiting plate is arranged in a right angle mode;
a fourth sliding groove is formed above the first sliding block, a first fixing rod is arranged below the fourth sliding groove, and the first transmission chain penetrates through the fourth sliding groove and is fixedly connected with the first fixing rod;
two fourth sliding rods are symmetrically arranged on the first sliding block, and the fourth sliding rods are fixedly connected with the rack;
the first sliding groove two sides, be equipped with two fifth sliding grooves in the frame, be equipped with first stopper in the fifth sliding groove, first stopper is "T" style of calligraphy setting, just first stopper bolted connection first backup pad, and be close to first backup pad one side, be equipped with a plurality of first balls on the first stopper, first ball sliding connection the fifth sliding groove.
Preferably, the first gear rack and the second gear rack are both helical teeth.
Preferably, a sixth sliding groove is formed in the rack on one side of the first gear strip, two first fixing strips are correspondingly arranged on the tension block, a magnet is arranged on one side of each first fixing strip, the first fixing strips are connected with the sixth sliding groove in a sliding mode, and the magnet is magnetically connected to the inner side of the sixth sliding groove.
Preferably, a second groove is formed above the tension block, a plurality of second fixing rods are arranged in the second groove, and the second fixing rods are fixedly connected with the first transmission chain.
Preferably, the second positioning device comprises a first fixing plate, a bearing at the rear of the first fixing plate is connected with a second lead screw, the tension block is in bearing connection with a first rotating block, a third driving motor is arranged on the tension block, a driving shaft of the third driving motor is connected with the first rotating block, the middle of the first rotating block is rotatably connected with the second lead screw, a seventh sliding groove is formed in the tension block, the first fixing plate is in sliding connection with the seventh sliding groove, and the first fixing plate is connected with the rack in an extrusion manner.
Preferably, first rotating shafts are arranged on two sides of the first supporting plate, a feeding plate is arranged on each first rotating shaft, and a plurality of second balls are arranged on the feeding plate.
Compared with the prior art, the invention has the beneficial effects that:
the first support plate slides on the rack, the first positioning device is arranged in the rack and detachably connected with the first support plate, so that the horizontal length of the first support plate is convenient to replace, meanwhile, the first support plate moves upwards through the rotation of the first driving motor, the tension block applies a tension force to the first support plate, the tension force generated by the rotation of the first driving motor is reduced, meanwhile, the second gear strip on the side edge of the tension block is meshed with the first gear strip on the rack, so that the tension force on the first support plate is increased, and when the material is unloaded after the material is lifted to a certain height by the first support plate, the first support plate is more stable and safer due to the fact that the second gear strip is meshed with the first gear strip.
Description of the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a first positioning device according to the present invention;
FIG. 3 is a schematic view of a first stop plate structure according to the present invention;
FIG. 4 is a schematic view of a first stopper according to the present invention;
FIG. 5 is a schematic view of the tension block attachment of the present invention;
FIG. 6 is a schematic view of the tension block structure of the present invention;
FIG. 7 is a schematic structural diagram of a second positioning device according to the present invention.
In the figure: 1-a frame, 11-a first supporting plate, 111-a third chute, 112-a first rotating shaft, 113-a feeding plate, 114-a second ball, 12-a first chute, 13-a first driving motor, 131-a first rotating rod, 132-a gear roller, 14-a first rack, 15-a second chute, 16-a fifth chute, 17-a first limiting block, 171-a first ball, 18-a sixth chute, 2-a first positioning device, 21-a first sliding block, 211-a first bump, 212-a second sliding rod, 213-a first groove, 214-a first screw rod, 215-a third sliding rod, 216-a first limiting plate, 217-a fourth chute, 218-a first fixing rod, 3-a first transmission chain, 4-a tension block, 41-a second gear rack, 42-a first fixed rack, 43-a magnet, 44-a second groove, 45-a second fixed rod, 46-a seventh chute, 5-a second positioning device, 51-a first fixed plate, 52-a second screw rod, 53-a first rotating block, and 54-a third driving motor.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Embodiment, referring to fig. 1-7, a belt elevator capable of positioning comprises a frame 1 and a first supporting plate 11 slidably connected to one side of the frame 1, wherein a first positioning device 2 is disposed on one side of the first supporting plate 11, a first chute 12 is disposed in the middle of one side of the first supporting plate 11, the first positioning device 2 is slidably connected to the first chute 12, a first transmission chain 3 is disposed above the first positioning device 2, a first driving motor 13 is disposed inside the upper side of the frame 1, a driving shaft of the first driving motor 13 is connected to a first rotating rod 131, a gear roller 132 is disposed on the first rotating rod 131, the first transmission chain 3 is engaged with the gear roller 132, a tension block 4 is disposed at the other end of the first transmission chain 3, the tension block 4 is slidably connected to the inside of the frame 1, and two first gear strips 14 are symmetrically disposed inside the frame 1, a second gear rack 41 is correspondingly arranged on one side of the tension block 4, the second gear rack 41 is connected with the first gear rack 14 in an occluded mode, a second positioning device 5 is arranged on the tension block 4, and the second positioning device 5 is connected with the rack 1 in a sliding mode.
In an embodiment, referring to fig. 1 to 3, the first positioning device 2 includes a first slider 21, first protrusions 211 are disposed at two ends of the first slider 21, second sliding grooves 15 are correspondingly disposed on the frame 1, the first protrusions 211 are slidably connected to the second sliding grooves 15, two second sliding rods 212 are disposed in a middle portion of one side of the first slider 21, the second sliding rods 212 are slidably connected to the first supporting plate 11, a third sliding groove 111 is disposed on the first supporting plate 11, two first grooves 213 are symmetrically disposed on the first slider 21, a first lead screw 214 and a third sliding rod 215 are disposed in the two first grooves 213, a second driving motor 214a is disposed at one end of the first lead screw 214, the second driving motor 214a is fixedly connected to the first grooves 213, and the first lead screw 214 and the third sliding rod 215 are rotatably connected to a first limiting plate 216, the first limiting plate 216 is slidably connected to the third sliding groove 111, and the first limiting plate 216 is disposed at a right angle.
In an embodiment, referring to fig. 1 to 3, a fourth sliding groove 217 is disposed above the first sliding block 21, a first fixing rod 218 is disposed below the fourth sliding groove 217, and the first transmission chain 3 penetrates through the fourth sliding groove 217 and is fixedly connected to the first fixing rod 218.
In an embodiment, referring to fig. 1 to 3, two fourth sliding rods 219 are symmetrically disposed on the first sliding block 21, and the fourth sliding rods 219 are fixedly connected to the frame 1.
In an embodiment, referring to fig. 1 to 4, two fifth sliding grooves 16 are disposed on two sides of the first sliding groove 12, two first limiting blocks 17 are disposed in the fifth sliding grooves 16, the first limiting blocks 17 are arranged in a T shape, the first limiting blocks 17 are connected to the first supporting plate 11 through bolts and are close to one side of the first supporting plate 11, a plurality of first balls 171 are disposed on the first limiting blocks 17, and the first balls 171 are slidably connected to the fifth sliding grooves 16.
In an embodiment, referring to fig. 1-6, the first gear rack 14 and the second gear rack 41 are each helical teeth.
In an embodiment, referring to fig. 1 and 6, a sixth sliding groove 18 is disposed in the rack 1 on one side of the first gear rack 14, two first fixing strips 42 are correspondingly disposed on the tension block 4, a magnet 43 is disposed on one side of the first fixing strips 42, the first fixing strips 42 are slidably connected to the sixth sliding groove 18, and the magnet 43 is magnetically connected to the inside of the sixth sliding groove 18.
In an embodiment, referring to fig. 1 to 7, a second groove 44 is disposed above the tension block 4, a plurality of second fixing rods 45 are disposed in the second groove 44, and the plurality of second fixing rods 45 are fixedly connected to the first transmission chain 3.
In an embodiment, referring to fig. 5 to 7, the second positioning device 5 includes a first fixing plate 51, a second lead screw 52 is connected to a rear bearing of the first fixing plate 51, a first rotating block 53 is connected to a bearing of the tension block 4, a third driving motor 54 is disposed on the tension block 4, a driving shaft of the third driving motor 54 is connected to the first rotating block 53, a middle portion of the first rotating block 53 is rotatably connected to the second lead screw 52, a seventh sliding groove 46 is disposed on the tension block 4, the first fixing plate 51 is slidably connected to the seventh sliding groove 46, and the first fixing plate 51 is connected to the frame 1 in an extruding manner.
In an embodiment, referring to fig. 1, a first rotating shaft 112 is disposed on two sides of the first support plate 11, a feeding plate 113 is disposed on the first rotating shaft 112, and a plurality of second balls 114 are disposed on the feeding plate 113.
The material feeding plate is connected with the ground through the first rotating shaft, and then the material slides upwards to the first supporting plate under the action of the second balls.
After the material slipped on first backup pad, rotated through a driving motor and made first driving chain upward movement, and then slided in the first slider frame, and its because the first lug of both sides slided in the second spout, and the first lug outside was equipped with the ball simultaneously to the slip of first lug is more easy, and it is spacing to first slider.
After first slider rises to a certain degree, when needing to stop, along with the upward movement pulling force piece downstream of first slider, the second rack and the first rack of its one side carry out the interlock to produce certain downward top, and first backup pad downstream then the power that the interlock of second rack and first rack produced and the gravity of pulling force piece and the power on the first backup pad offset thereby make the more stability of first backup pad.
Then after the material is unloaded and is accomplished, earlier make the pulling force piece continue downwards with first driving motor corotation, then third driving motor rotates and drives first rotatory piece and rotate, then make the second lead screw rotate, thereby make first fixed plate and frame form certain extrusion, then make the magnet of first fixed strip one side break away from the sixth spout to a certain extent, then make the second rack break away from first rack, then first driving motor reversal, thereby make first backup pad downstream, then third driving motor reversal makes the first rack of second rack interlock after moving to the bottom, and magnet magnetism connects in the sixth spout is inboard.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. A belt hoist of locatable type, includes frame (1) and sliding connection in first backup pad (11) of frame (1) one side, its characterized in that: the device is characterized in that a first positioning device (2) is arranged on one side of the first supporting plate (11), a first sliding groove (12) is formed in the middle of one side of the first supporting plate (11), the first positioning device (2) is connected with the first sliding groove (12) in a sliding mode, a first transmission chain (3) is arranged above the first positioning device (2), a first driving motor (13) is arranged on the inner side of the upper portion of the rack (1), a driving shaft of the first driving motor (13) is connected with a first rotating rod (131), a gear roller (132) is arranged on the first rotating rod (131), the first transmission chain (3) is connected with the gear roller (132) in an occlusion mode, a tension block (4) is arranged at the other end of the first transmission chain (3), the tension block (4) is connected with the inner side of the rack (1) in a sliding mode, and two first gear strips (14) are symmetrically arranged on the inner side of the, a second gear rack (41) is correspondingly arranged on one side of the tension block (4), the second gear rack (41) is connected with the first gear rack (14) in a meshing manner, a second positioning device (5) is arranged on the tension block (4), and the second positioning device (5) is connected with the rack (1) in a sliding manner;
the first positioning device (2) comprises a first sliding block (21), first convex blocks (211) are arranged at two ends of the first sliding block (21), second sliding grooves (15) are correspondingly arranged on the rack (1), the first convex blocks (211) are slidably connected with the second sliding grooves (15), two second sliding rods (212) are arranged in the middle of one side of the first sliding block (21), the second sliding rods (212) are slidably connected with the first supporting plate (11), a third sliding groove (111) is arranged on the first supporting plate (11), two first grooves (213) are symmetrically arranged on the first sliding block (21), a first screw rod (214) and a third sliding rod (215) are respectively arranged in the two first grooves (213), a second driving motor (214a) is arranged at one end of the first screw rod (214), and the second driving motor (214a) is fixedly connected with the first grooves (213), the first screw rod (214) and the third sliding rod (215) are both rotatably connected with a first limiting plate (216), the first limiting plate (216) is slidably connected with the third sliding chute (111), and the first limiting plate (216) is arranged in a right angle;
a fourth sliding groove (217) is formed above the first sliding block (21), a first fixing rod (218) is arranged below the fourth sliding groove (217), and the first transmission chain (3) penetrates through the fourth sliding groove (217) and is fixedly connected with the first fixing rod (218);
two fourth sliding rods (219) are symmetrically arranged on the first sliding block (21), and the fourth sliding rods (219) are fixedly connected with the rack (1);
first spout (12) both sides, be equipped with two fifth spout (16) on frame (1), be equipped with first stopper (17) in fifth spout (16), first stopper (17) are "T" style of calligraphy and set up, just first stopper (17) bolted connection first backup pad (11), and be close to first backup pad (11) one side, be equipped with a plurality of first ball (171) on first stopper (17), first ball (171) sliding connection fifth spout (16).
2. The positionable belt hoist of claim 1, further comprising: the first gear rack (14) and the second gear rack (41) are both helical teeth.
3. The positionable belt hoist of claim 1, further comprising: first rack (14) one side be equipped with sixth spout (18) in frame (1), correspond on pulling force piece (4) and be equipped with two first fixed strips (42), first fixed strip (42) one side is equipped with magnet (43), just first fixed strip (42) sliding connection sixth spout (18), magnet (43) magnetism connect in sixth spout (18) are inboard.
4. The positionable belt hoist of claim 1, further comprising: a second groove (44) is formed in the upper portion of the tension block (4), a plurality of second fixing rods (45) are arranged in the second groove (44), and the second fixing rods (45) are fixedly connected with the first transmission chain (3).
5. The positionable belt hoist of claim 1, further comprising: the second positioning device (5) comprises a first fixing plate (51), a bearing at the rear of the first fixing plate (51) is connected with a second screw rod (52), a bearing on the tension block (4) is connected with a first rotating block (53), a third driving motor (54) is arranged on the tension block (4), a driving shaft of the third driving motor (54) is connected with the first rotating block (53), the middle of the first rotating block (53) is rotatably connected with the second screw rod (52), a seventh sliding groove (46) is formed in the tension block (4), the first fixing plate (51) is slidably connected with the seventh sliding groove (46), and the first fixing plate (51) is extruded and connected with the rack (1).
6. The positionable belt hoist of claim 1, further comprising: first pivot (112) are equipped with on first backup pad (11) both sides, be equipped with flitch (113) on first pivot (112), be equipped with a plurality of second ball (114) on flitch (113).
CN201810854383.7A 2018-07-30 2018-07-30 Positionable belt elevator Active CN108891876B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810854383.7A CN108891876B (en) 2018-07-30 2018-07-30 Positionable belt elevator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810854383.7A CN108891876B (en) 2018-07-30 2018-07-30 Positionable belt elevator

Publications (2)

Publication Number Publication Date
CN108891876A CN108891876A (en) 2018-11-27
CN108891876B true CN108891876B (en) 2020-04-03

Family

ID=64352407

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810854383.7A Active CN108891876B (en) 2018-07-30 2018-07-30 Positionable belt elevator

Country Status (1)

Country Link
CN (1) CN108891876B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111576955B (en) * 2020-05-28 2021-07-20 山东蓝盟防腐科技股份有限公司 Space-saving parking equipment for automobile

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4179024A (en) * 1976-12-13 1979-12-18 Fiat-Allis Construction Machinery, Inc. Scraper elevator drive mounting
JPH07215455A (en) * 1994-02-07 1995-08-15 Matsushita Electric Ind Co Ltd Free flow conveyor
JP3394847B2 (en) * 1995-05-10 2003-04-07 株式会社カイジョー Parts transfer device
CN201721896U (en) * 2010-06-17 2011-01-26 浙江皇铭新型建材科技有限公司 Motor-driven lifting roller machine used for EPF wallboard production line
CN105035711A (en) * 2015-07-02 2015-11-11 重庆骏成机械配件有限公司 Automatic plate feeding machine
CN105564996B (en) * 2016-02-05 2017-09-15 云南克来众诚智能设备有限公司 A kind of stacking machine applied widely, stacking efficiency high
CN207618518U (en) * 2017-11-14 2018-07-17 广东顺德迪峰机械有限公司 A kind of flush coater no pollution Transmission system

Also Published As

Publication number Publication date
CN108891876A (en) 2018-11-27

Similar Documents

Publication Publication Date Title
CN207404341U (en) A kind of chain drive jacking transferring device
CN2821044Y (en) Multilayer circulation mechanical type parking device lifting cross moving mechanism
CN206203809U (en) Retractor device, piler and Automatic Warehouse
CN108891876B (en) Positionable belt elevator
CN107055409A (en) A kind of both arms are double to stretch a pellet fork device
CN210480697U (en) Material lifting machine for building engineering construction
CN205668791U (en) A kind of conveying mechanism
CN107973226A (en) A kind of high hoisting machinery of stability
CN205132728U (en) Propelling movement machine that finished steel stranded conductor was restrainted
CN202575436U (en) Automatic grain conveyor
CN217971470U (en) Green brick stacking machine
CN108177820A (en) Automatic distribution pipeline
CN101920907B (en) Main trolley of large shipbuilding portal crane
CN208666295U (en) A kind of automatic dumping type elevator
CN206958195U (en) A kind of steady drive stepless speed variator of lever rigidity high pulling torque
CN108910746B (en) Lifting machine capable of reinforcing load weight of supporting plate
CN108483295A (en) A kind of automatic rope guide of hoist
CN208087133U (en) A kind of auxiliary feeding lifting device
CN204896638U (en) Multilayer conveyer
CN212100858U (en) Sliding mechanism and racking device
CN107178597A (en) A kind of steady drive stepless speed variator of the rigid high pulling torque of lever
CN202205510U (en) Network communication cable paying-off device
CN210528295U (en) Multifunctional transportation device
CN211446074U (en) Novel let-off device for water jet loom
CN102320460A (en) Lift

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
GR01 Patent grant
GR01 Patent grant