CN110884995A - Steel wire rod loading and unloading lifting appliance - Google Patents

Steel wire rod loading and unloading lifting appliance Download PDF

Info

Publication number
CN110884995A
CN110884995A CN201911078171.5A CN201911078171A CN110884995A CN 110884995 A CN110884995 A CN 110884995A CN 201911078171 A CN201911078171 A CN 201911078171A CN 110884995 A CN110884995 A CN 110884995A
Authority
CN
China
Prior art keywords
fixedly connected
connecting plate
wall
heat dissipation
steel wire
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
CN201911078171.5A
Other languages
Chinese (zh)
Inventor
胡浪
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.)
Hunan Shunxiang Logistics Co Ltd
Original Assignee
Hunan Shunxiang Logistics 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 Hunan Shunxiang Logistics Co Ltd filed Critical Hunan Shunxiang Logistics Co Ltd
Priority to CN201911078171.5A priority Critical patent/CN110884995A/en
Publication of CN110884995A publication Critical patent/CN110884995A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C1/00Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
    • B66C1/10Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
    • B66C1/42Gripping members engaging only the external or internal surfaces of the articles

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)

Abstract

The invention relates to the technical field of steel, and discloses a steel wire rod loading and unloading lifting appliance which comprises a lifting beam main body, wherein the front side of the lifting beam main body is movably connected with the lifting appliance main body, the bottom of the lifting appliance main body is movably connected with a fixed column, the outer wall of the fixed column is fixedly connected with a connecting plate, the back side of the connecting plate is provided with a second heat dissipation hole, the inner wall of the second heat dissipation hole is fixedly connected with a second protective net, the outer wall of the connecting plate is provided with a connecting hole, the outer wall of the connecting plate is provided with a sliding groove, the outer wall of the connecting plate is provided with a. This steel wire rod loading and unloading hoist has reached the convenient purpose of adjusting of steel wire rod loading and unloading hoist, has solved the inconvenient problem of adjusting of general steel wire rod loading and unloading hoist, makes the hoist can be applicable to the steel wire rod of equidimension not, has also improved people's work efficiency when having improved the practicality of hoist, further satisfied people's user demand.

Description

Steel wire rod loading and unloading lifting appliance
Technical Field
The invention relates to the technical field of steel products, in particular to a lifting appliance for loading and unloading steel product coils.
Background
The steel products are important materials essential for national construction and realization of quartification, are widely applied and have various varieties, and are generally divided into four categories, namely section bars, plates, pipes and metal products according to different section shapes, so that the production, order supply and operation management work of the steel products are facilitated to be organized, and the steel products are also divided into varieties of heavy rails, light rails, large section bars, medium section bars, small section bars, steel cold-formed section bars, high-quality section bars, wire rods, medium-thickness steel plates, thin steel plates, silicon steel sheets for electricians, strip steel, seamless steel pipe steel, welded steel pipes, metal products and the like.
In the steel production and processing process, steel wire rods are required to be loaded and unloaded, most of the common steel wire rod loading and unloading lifting appliances are fixed and cannot be adjusted, only specific steel wire rods can be loaded and unloaded, and the loading and unloading efficiency of the steel wire rods is reduced while the steel wire rods are inconvenient to use by people, so that the work efficiency of people is reduced, and the current use requirements of people cannot be met.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a steel wire rod loading and unloading lifting appliance which has the advantages of convenience in adjustment and the like and solves the problem that a common steel wire rod loading and unloading lifting appliance is inconvenient to adjust.
(II) technical scheme
In order to realize the purpose of conveniently adjusting the steel wire rod loading and unloading lifting appliance, the invention provides the following technical scheme: a steel wire rod loading and unloading lifting appliance comprises a lifting beam main body, wherein the front side of the lifting beam main body is movably connected with the lifting appliance main body, the bottom of the lifting appliance main body is movably connected with a fixed column, the outer wall of the fixed column is fixedly connected with a connecting plate, the back side of the connecting plate is provided with a second heat dissipation hole, the inner wall of the second heat dissipation hole is fixedly connected with a second protective net, the outer wall of the connecting plate is provided with a connecting hole, the outer wall of the connecting plate is provided with a chute, the outer wall of the connecting plate is provided with a through hole, the outer wall of the connecting plate is movably connected with a connecting cover, the front side of the connecting cover is fixedly connected with a rod, one side of the rod is fixedly connected with a connecting belt, the outer wall of the connecting belt is provided with a round hole, first louvre has been seted up at the back of motor case, the inner wall fixedly connected with motor of motor case, the output shaft of motor passes through shaft coupling fixedly connected with lead screw, the bottom fixedly connected with fixed block of lead screw, the positive swing joint of lead screw has the movable block, one side fixedly connected with connecting rod of movable block, the one end fixedly connected with connecting block of connecting rod, one side fixedly connected with spreader of connecting block, the outer wall fixedly connected with lug of spreader.
Preferably, the number of the bumps is fifteen, the fifteen bumps are equidistantly arranged at the top of the cross column, and the bumps are rubber bumps.
Preferably, the outer wall of the motor case is fixedly connected with a sound absorption layer, and the sound absorption layer is a sound absorption coating material sound absorption layer.
Preferably, the shape and size of the connecting hole and the shape and size of the connecting rod are matched with each other, and one end of the connecting rod penetrates through one side of the connecting plate and extends into the connecting plate.
Preferably, the number of the first heat dissipation holes is three, and the inner walls of the three first heat dissipation holes are fixedly connected with first protective nets.
Preferably, the number of the second heat dissipation holes is nine, every three second heat dissipation holes form a group, and the three groups of second heat dissipation holes are equidistantly arranged on the back of the connecting plate.
Preferably, the number of the second protective nets is nine, and the nine second protective nets are respectively arranged on the inner walls of the nine second heat dissipation holes.
Preferably, the top and the bottom of connecting the lid all are provided with the slider, the quantity of spout is two, and two spouts use the horizontal center line of connecting plate as symmetry axis symmetry setting, the shape size of spout all matches each other with the shape size of slider, and the connecting plate passes through the spout and the slider is connected with the connection lid block.
Preferably, one side of the connecting plate is fixedly connected with a clamping block, and the shape and the size of the clamping block are matched with those of the round hole.
(III) advantageous effects
Compared with the prior art, the invention provides a steel wire rod loading and unloading lifting appliance, which has the following beneficial effects:
1. this steel wire rod loading and unloading hoist, through the use of mutually supporting of hanging beam main part, including a motor, an end cap, a controller, and a cover plate, lead screw, movable block, connecting rod, spreader, hoist main part and connecting hole, reached the convenient purpose of adjusting of steel wire rod loading and unloading hoist, solved the problem of the inconvenient regulation of general steel wire rod loading and unloading hoist, make the hoist can be applicable to the steel wire rod of equidimension not, also improved people's work efficiency when having improved the practicality of hoist, further satisfied people's user demand.
2. This steel wire rod loading and unloading hoist through spreader and the lug that sets up, frictional property when can reinforcing contact between steel wire rod and the spreader to make the steel wire rod can be more firm on the spreader, make people more save worry when using.
3. This steel wire rod loading and unloading hoist through motor case and the first louvre that sets up, can dispel the heat to the motor, thereby avoids the too big normal work that influences the lead screw of motor heat, has also improved the life of motor simultaneously, further has made things convenient for people's use.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a connection hole structure according to the present invention;
FIG. 3 is a rear view of the motor housing of the present invention;
FIG. 4 is a rear view of the web of the present invention;
FIG. 5 is a side view of the web of the present invention;
fig. 6 is a front view of the motor case of the present invention.
In the figure: 1. a hanging beam main body; 2. a motor case; 3. a motor; 4. a connecting plate; 5. a screw rod; 6. a movable block; 7. a fixed block; 8. a connecting rod; 9. a cross post; 10. a bump; 11. fixing a column; 12. a hanger body; 13. connecting holes; 14. a first heat dissipation hole; 15. a first protection net; 16. a second protective net; 17. a second heat dissipation hole; 18. connecting blocks; 19. a sound absorbing layer; 20. a chute; 21. a connecting cover; 22. a round block; 23. a connecting belt; 24. a clamping block; 25. a circular hole; 26. a through hole; 27. a connecting door; 28. a handle.
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.
Referring to fig. 1-6, a steel wire rod handling hanger comprises a hanger main body 1, a hanger main body 12 is movably connected to the front of the hanger main body 1, a fixed column 11 is movably connected to the bottom of the hanger main body 12, a connecting plate 4 is fixedly connected to the outer wall of the fixed column 11, nine second heat dissipation holes 17 are formed in the back of the connecting plate 4, every three second heat dissipation holes 17 form a group, the three groups of second heat dissipation holes 17 are equidistantly arranged in the back of the connecting plate 4, the connecting plate 4 can be cooled by the second heat dissipation holes 17, so that heat generated during the operation of a motor 3 and a screw 5 can be dissipated, a second protective net 16 is fixedly connected to the inner wall of each second heat dissipation hole 17, the number of second heat dissipation holes 16 is nine, and the nine second protective nets 16 are respectively arranged on the inner walls of the nine second protective nets 17, through the second protective screen 16, the foreign matters such as mosquitoes can be prevented from entering the connecting plate 4 through the second heat dissipation holes 17, thereby affecting the normal work of the motor 3 and the screw rod 5, the outer wall of the connecting plate 4 is provided with the connecting holes 13, the outer wall of the connecting plate 4 is provided with the sliding grooves 20, the outer wall of the connecting plate 4 is provided with the through holes 26, the outer wall of the connecting plate 4 is movably connected with the connecting cover 21, the top and the bottom of the connecting cover 21 are provided with the sliding blocks, the number of the sliding grooves 20 is two, the two sliding grooves 20 are symmetrically arranged by taking the horizontal central line of the connecting plate 4 as a symmetry axis, the shapes and the sizes of the sliding grooves 20 are matched with the shapes and the sizes of the sliding blocks, the connecting plate 4 is connected with the connecting cover 21 through the sliding grooves 20 and the sliding blocks in a clamping manner, the connecting cover 21 is convenient to slide through the, the service life of the motor 3 is prolonged while the overhaul efficiency of people is improved, the round block 22 is fixedly connected to the front face of the connecting cover 21, the connecting belt 23 is fixedly connected to one side of the round block 22, the round hole 25 is formed in the outer wall of the connecting belt 23, the clamping block 24 is fixedly connected to one side of the connecting plate 4, the shape and size of the clamping block 24 are matched with those of the round hole 25, the round hole 25 and the clamping block 24 can be connected by arranging the clamping block 24 and the round hole 25, so that the connecting belt 23 and the clamping block 24 can be connected, the position of the connecting cover 21 can be conveniently fixed when the connecting cover 21 is closed, the motor box 2 is fixedly connected to the inner wall of the connecting plate 4, the connecting door 27 is movably connected to the front face of the motor box 2, the handle 28 is fixedly connected to the front face of the connecting door 27, the sound absorption layer 19 is fixedly connected to the outer wall, the sound absorption coating is called sound absorption spraying, which is that biological fiber, mineral fiber and the like are adopted as main raw materials, other fire retardants, moisture-proof and enzyme-proof agents and the like are combined, the biological fiber, the mineral fiber and the like are sprayed out together with adhesives through professional machinery, the noise generated by the work of the motor 3 can be reduced by arranging the sound absorption layer 19, the back surface of the motor box 2 is provided with three first heat dissipation holes 14, the number of the first heat dissipation holes 14 is three, the inner walls of the three first heat dissipation holes 14 are fixedly connected with first protective screens 15, the motor 3 can be protected through the arranged first protective screens 15, foreign matters such as dust and the like are prevented from entering the interior of the motor box 2 through the first heat dissipation holes 14 to influence the motor 3, the heat of the motor 3 can be dissipated through the arranged motor box 2 and the first heat dissipation holes 14, the normal work of the screw rod 5 is prevented from being influenced by the overlarge heat of the motor 3, and, further facilitating the use of people, the inner wall of the motor box 2 is fixedly connected with a motor 3, the output shaft of the motor 3 is fixedly connected with a screw rod 5 through a coupler, the bottom of the screw rod 5 is fixedly connected with a fixed block 7, the front of the screw rod 5 is movably connected with a movable block 6, one side of the movable block 6 is fixedly connected with a connecting rod 8, the shape and the size of the connecting hole 13 are matched with those of the connecting rod 8, one end of the connecting rod 8 penetrates through one side of the connecting plate 4 and extends into the connecting plate 4, one end of the connecting rod 8 is fixedly connected with a connecting block 18, one side of the connecting block 18 is fixedly connected with a cross post 9, the lifting beam main body 1, the motor 3, the screw rod 5, the movable block 6, the connecting rod 8, the cross post 9, the lifting tool main body 12 and the connecting hole 13 are matched with each other for use, thereby achieving the purpose of convenient adjustment, make the hoist can be applicable to not the steel wire rod of equidimension, also improved people's work efficiency when having improved the practicality of hoist, further satisfied people's user demand, the outer wall fixedly connected with lug 10 of spreader 9, the quantity of lug 10 is fifteen, and fifteen lugs 10 equidistance set up the top at spreader 9, lug 10 is rubber bump, rubber is the high elastic polymer material who has reversible deformation, be rich in elasticity at room temperature, can produce great deformation under very little exogenic action, can resume the original state after detaching external force, through spreader 9 and the lug 10 that set up, frictional property when can reinforcing contact between steel wire rod and the spreader 9, thereby make steel wire rod can be more firm on spreader 9, make people save worry more when using.
The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.
When using, starter motor 3 makes 5 work of lead screw to make movable block 6 reciprocate, thereby drive connecting rod 8 through movable block 6 and remove, thereby make spreader 9 reciprocate, the actual size of the steel wire rod of loading and unloading as required determines the position of spreader 9, simultaneously through lug 10, can stabilize the position of steel wire rod on spreader 9 to a certain extent, avoids steel wire rod landing, thereby accomplishes work.
To sum up, this steel wire rod loading and unloading hoist has reached the purpose of convenient regulation, has solved the inconvenient problem of adjusting of general steel wire rod loading and unloading hoist, makes the hoist can be applicable to the steel wire rod of equidimension not, further has satisfied people's user demand.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
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 (9)

1. The utility model provides a steel wire rod loading and unloading hoist, includes hanging beam main part (1), its characterized in that: the front side of the hanging beam main body (1) is movably connected with a hanging tool main body (12), the bottom of the hanging tool main body (12) is movably connected with a fixed column (11), the outer wall of the fixed column (11) is fixedly connected with a connecting plate (4), the back side of the connecting plate (4) is provided with a second heat dissipation hole (17), the inner wall of the second heat dissipation hole (17) is fixedly connected with a second protective net (16), the outer wall of the connecting plate (4) is provided with a connecting hole (13), the outer wall of the connecting plate (4) is provided with a sliding groove (20), the outer wall of the connecting plate (4) is provided with a through hole (26), the outer wall of the connecting plate (4) is movably connected with a connecting cover (21), the front side of the connecting cover (21) is fixedly connected with a round block (22), one side of the round block (22) is fixedly, the inner wall of the connecting plate (4) is fixedly connected with a motor box (2), the front side of the motor box (2) is movably connected with a connecting door (27), the front surface of the connecting door (27) is fixedly connected with a handle (28), the back surface of the motor box (2) is provided with a first heat dissipation hole (14), the inner wall of the motor box (2) is fixedly connected with a motor (3), an output shaft of the motor (3) is fixedly connected with a screw rod (5) through a coupler, the bottom of the screw rod (5) is fixedly connected with a fixed block (7), the front of the screw rod (5) is movably connected with a movable block (6), one side of the movable block (6) is fixedly connected with a connecting rod (8), one end of the connecting rod (8) is fixedly connected with a connecting block (18), one side fixedly connected with spreader (9) of connecting block (18), the outer wall fixedly connected with lug (10) of spreader (9).
2. The steel coil handling spreader of claim 1, wherein: the number of the convex blocks (10) is fifteen, the fifteen convex blocks (10) are equidistantly arranged at the top of the transverse column (9), and the convex blocks (10) are rubber convex blocks.
3. The steel coil handling spreader of claim 1, wherein: the outer wall fixedly connected with sound absorbing layer (19) of motor case (2), and sound absorbing layer (19) are sound absorption coating sound absorbing layer.
4. The steel coil handling spreader of claim 1, wherein: the shape and size of the connecting hole (13) and the shape and size of the connecting rod (8) are matched with each other, and one end of the connecting rod (8) penetrates through one side of the connecting plate (4) and extends into the connecting plate (4).
5. The steel coil handling spreader of claim 1, wherein: the number of the first heat dissipation holes (14) is three, and the inner walls of the three first heat dissipation holes (14) are fixedly connected with first protective nets (15).
6. The steel coil handling spreader of claim 1, wherein: the number of the second heat dissipation holes (17) is nine, every three second heat dissipation holes (17) form a group, and the three groups of second heat dissipation holes (17) are arranged on the back of the connecting plate (4) at equal intervals.
7. The steel coil handling spreader of claim 1, wherein: the number of the second protective nets (16) is nine, and the nine second protective nets (16) are respectively arranged on the inner walls of the nine second heat dissipation holes (17).
8. The steel coil handling spreader of claim 1, wherein: the top and the bottom of connecting lid (21) all are provided with the slider, the quantity of spout (20) is two, and two spout (20) use the horizontal center line of connecting plate (4) to set up as symmetry axis symmetry, the shape size of spout (20) all matches each other with the shape size of slider, and connecting plate (4) are connected with connecting lid (21) block through spout (20) and slider.
9. The steel coil handling spreader of claim 1, wherein: one side of the connecting plate (4) is fixedly connected with a clamping block (24), and the shape and the size of the clamping block (24) are matched with those of the round hole (25).
CN201911078171.5A 2019-11-06 2019-11-06 Steel wire rod loading and unloading lifting appliance Pending CN110884995A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911078171.5A CN110884995A (en) 2019-11-06 2019-11-06 Steel wire rod loading and unloading lifting appliance

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911078171.5A CN110884995A (en) 2019-11-06 2019-11-06 Steel wire rod loading and unloading lifting appliance

Publications (1)

Publication Number Publication Date
CN110884995A true CN110884995A (en) 2020-03-17

Family

ID=69746965

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201911078171.5A Pending CN110884995A (en) 2019-11-06 2019-11-06 Steel wire rod loading and unloading lifting appliance

Country Status (1)

Country Link
CN (1) CN110884995A (en)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2572454Y (en) * 2002-09-25 2003-09-10 薛如新 Active panel for computer casing
DE10342063A1 (en) * 2003-09-11 2005-05-04 Wimo Hebetechnik Gmbh Telescopic grab for transporting heavy loads, has grab arms held in position by steplessly lockable safety devices
CN204374853U (en) * 2014-11-28 2015-06-03 黑龙江大学 With the computer cabinet of sliding rail
CN204490322U (en) * 2015-01-14 2015-07-22 苏州市华丽美登装饰装璜有限公司 A kind of stone tongs
CN205855801U (en) * 2016-06-12 2017-01-04 济源市华中冶金机械有限公司 A kind of suspender for crane
CN206814266U (en) * 2017-04-25 2017-12-29 张家港市骏马钢帘线有限公司 A kind of steel cord I-beam wheel grabbing device
CN206842864U (en) * 2017-04-11 2018-01-05 泰州市华飞吊具有限公司 A kind of stacked steel plate lifting grips pincers
CN110255393A (en) * 2019-07-15 2019-09-20 重庆丰川硬质合金有限责任公司 A kind of railway locomotive top cover lifting components and mast-up

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2572454Y (en) * 2002-09-25 2003-09-10 薛如新 Active panel for computer casing
DE10342063A1 (en) * 2003-09-11 2005-05-04 Wimo Hebetechnik Gmbh Telescopic grab for transporting heavy loads, has grab arms held in position by steplessly lockable safety devices
CN204374853U (en) * 2014-11-28 2015-06-03 黑龙江大学 With the computer cabinet of sliding rail
CN204490322U (en) * 2015-01-14 2015-07-22 苏州市华丽美登装饰装璜有限公司 A kind of stone tongs
CN205855801U (en) * 2016-06-12 2017-01-04 济源市华中冶金机械有限公司 A kind of suspender for crane
CN206842864U (en) * 2017-04-11 2018-01-05 泰州市华飞吊具有限公司 A kind of stacked steel plate lifting grips pincers
CN206814266U (en) * 2017-04-25 2017-12-29 张家港市骏马钢帘线有限公司 A kind of steel cord I-beam wheel grabbing device
CN110255393A (en) * 2019-07-15 2019-09-20 重庆丰川硬质合金有限责任公司 A kind of railway locomotive top cover lifting components and mast-up

Similar Documents

Publication Publication Date Title
CN206513219U (en) The intelligent automatic sensing door of a kind of pair of open-close type
CN110884995A (en) Steel wire rod loading and unloading lifting appliance
CN209958561U (en) Crack structure is prevented to building wall
CN107171216A (en) A kind of separate assembling ring main unit
CN207076785U (en) A kind of uncoiling leveling device of Hot Rolled Steel Coil
CN211084818U (en) High temperature furnace is used in rock wool board production
CN109531350B (en) Multifunctional nut polishing device
CN211782497U (en) Five metals finished product drying device
CN211386601U (en) Steel structure forming machine
CN210231047U (en) Improved aluminum profile traction machine
CN205910644U (en) Self -cleaning computer
CN205847114U (en) A kind of inverter room of efficient dustproof
CN208524200U (en) The novel attacker of furniture
CN110653304A (en) Aluminum profile bending blanking device
CN211277903U (en) Cold-rolled steel sheet burnishing device
CN215807609U (en) Information management collects and uses display screen
CN214521546U (en) Damping device of injection mold
CN205767577U (en) A kind of glass guider of extruder
CN210781163U (en) Communication cabinet convenient to adjust
CN219113038U (en) Cutting equipment for hardware processing
CN211638036U (en) Full-automatic control efficient rod retracting machine
CN211342711U (en) Photoelectric safety protection device of lifting door
CN213470729U (en) Polishing equipment is used in building material processing
CN209555073U (en) A kind of classification presses that glass fibre processing is high with intensity
CN215242986U (en) Pressing sleeve mechanism for SA-grade four-beam guardrail

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
RJ01 Rejection of invention patent application after publication

Application publication date: 20200317

RJ01 Rejection of invention patent application after publication