CN113620196B - Braking device for vertical direction of crane and working method thereof - Google Patents
Braking device for vertical direction of crane and working method thereof Download PDFInfo
- Publication number
- CN113620196B CN113620196B CN202110910366.2A CN202110910366A CN113620196B CN 113620196 B CN113620196 B CN 113620196B CN 202110910366 A CN202110910366 A CN 202110910366A CN 113620196 B CN113620196 B CN 113620196B
- Authority
- CN
- China
- Prior art keywords
- brake block
- block
- brake
- push rod
- 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.)
- Active
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D5/00—Braking or detent devices characterised by application to lifting or hoisting gear, e.g. for controlling the lowering of loads
- B66D5/02—Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes
- B66D5/06—Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes with radial effect
- B66D5/08—Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes with radial effect embodying blocks or shoes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D5/00—Braking or detent devices characterised by application to lifting or hoisting gear, e.g. for controlling the lowering of loads
- B66D5/02—Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes
- B66D5/24—Operating devices
- B66D5/26—Operating devices pneumatic or hydraulic
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
The invention relates to a braking device for a crane in the vertical direction and a working method thereof, wherein the braking device comprises: the bottom plate, the top surface middle part fixed mounting of bottom plate has the shell, the rolling chamber has been seted up to the inside of shell, the bottom in rolling chamber is provided with winding mechanism, one side chamber wall in rolling chamber is provided with arrestment mechanism, the through-hole has been seted up at the bottom surface middle part of bottom plate, carry on spacingly through first deflector and second deflector to the brake block body, brake block body steady movement for draw-in groove and fixed block on the brake block body can the block, it removes to drive two second sloping blocks through the removal of brake block body, the spacing pore pair connecting rod of cooperation second is spacing, promote through two second sloping blocks and the first sloping block that corresponds, make the dwang that corresponds rotate, two dwang normal running fit bolts stimulate the catch bar simultaneously, make catch block cooperation draw-in groove carry on spacing fixed to the fixed block, thereby improve the braking effect to the countershaft.
Description
Technical Field
The invention relates to the field of cranes, in particular to a brake device for a crane in the vertical direction, and more particularly relates to a brake device for a crane in the vertical direction and a working method thereof.
Background
The crane refers to a multi-action hoisting machine for vertically lifting and horizontally carrying heavy objects within a certain range; also known as a crown block or a crane; the hoisting equipment has the working characteristics of intermittent movement, namely corresponding mechanisms for taking materials, transporting, unloading and the like in one working cycle alternately work, so that the development and the use of the crane on the market are more and more extensive.
The hoist is when transporting the goods, need brake the lifting rope, prevents that the goods from falling suddenly and causing the damage to subaerial people or other buildings, and traditional hoist braking mode is half-wave rectifier braking, transformer bridge type rectifier braking and solenoid valve band-type brake braking, but these mode brakeings are comparatively complicated, easy error, and expensive, inconvenient dismantles and gets off and change the part.
Disclosure of Invention
The problem of traditional hoist braking mode be half-wave rectification braking, transformer bridge type rectification braking and solenoid valve band-type brake braking has been solved to this scheme, but these mode brakess are comparatively complicated, error appears easily, and the price is expensive, and inconvenient dismantlement gets off to change the part.
The purpose of the invention can be realized by the following technical scheme: a braking device for a vertical direction of a crane and a working method thereof comprise: the winding device comprises a base plate, wherein a shell is fixedly mounted in the middle of the top surface of the base plate, a winding cavity is formed in the shell, a winding mechanism is arranged at the bottom of the winding cavity, a braking mechanism is arranged on the wall of one side cavity of the winding cavity, and a through hole is formed in the middle of the bottom surface of the base plate.
The invention has further technical improvements that: winding mechanism include with shell rolling chamber bottom fixed connection's mount pad, the top of mount pad is rotated through the pivot and is connected with the cylinder, the round trip has a lifting rope on the cylinder, shell and through-hole are run through to the one end of lifting rope, the one end fixedly connected with fixed block of pivot.
The invention has the further technical improvements that: the brake mechanism comprises a first guide plate, a second guide plate and a hydraulic push rod, wherein the first guide plate, the second guide plate and the hydraulic push rod are fixedly connected with the wall of the housing rolling cavity, a brake block is arranged between the first guide plate and the second guide plate in a sliding mode, and moving mechanisms are arranged on the surfaces, far away from the brake block, of the first guide plate and the second guide plate.
The invention has further technical improvements that: first spacing hole and the spacing hole of second have all been seted up on first deflector and the second deflector, two the inside slip in first spacing hole is provided with pushing mechanism.
The invention has the further technical improvements that: the moving mechanism comprises a supporting rod fixedly connected with the second guide plate, the top of the supporting rod is rotatably connected with a rotating rod through a fixing pin, and a first inclined block is fixedly connected with one end of the rotating rod.
The invention has the further technical improvements that: push mechanism includes the catch bar with two first spacing hole sliding connection, the spout has all been seted up at the both ends of catch bar, two the spout is respectively through bolt and the dwang other end swing joint that corresponds, the middle part fixedly connected with catch block of catch bar, two guiding holes have been seted up towards a side of catch block to the catch bar.
The invention has the further technical improvements that: the brake block comprises a brake block body fixedly connected with the extension end of the hydraulic push rod, a clamping groove is formed in one side, away from the hydraulic push rod, of the brake block body, the clamping groove corresponds to the position of the fixing block, guide rods are fixedly connected to the two sides of the clamping groove, connecting rods are fixedly connected to the top surface and the bottom surface of the brake block body, and a second inclined block is fixedly connected to one end of each connecting rod.
The invention has further technical improvements that: the two guide rods are respectively in sliding connection with the corresponding guide holes, and the two second inclined blocks respectively penetrate through the corresponding second limiting holes and are in sliding connection with the corresponding first inclined blocks.
The invention has further technical improvements that: the improved winding mechanism is characterized in that a dust cover is fixedly mounted on one side of the top surface of the bottom plate, a servo motor used for driving the winding mechanism is arranged in the dust cover, an air cylinder is arranged on the other side of the top surface of the bottom plate, and bottom feet are fixedly connected to four corners of the bottom surface of the bottom plate.
The working method of the braking device for the vertical direction of the crane specifically comprises the following steps:
the method comprises the following steps: the servo motor operates to drive the rotating shaft to rotate, so that the roller winds the lifting rope, and when the lifting rope is wound to a preset length, an operator controls the servo motor to stop operating;
step two: the air cylinder provides air pressure for the hydraulic push rod, so that the extending end of the hydraulic push rod is extended, the brake block body slides between the first guide plate and the second guide plate, the clamping groove in the brake block body is used for clamping the fixed block, and the rotating shaft is in a braking state;
step three: drive two second sloping blocks through the brake block body and promote the first sloping block that corresponds for two dwangs take place to rotate, make the catch bar move towards the fixed block under the spacing condition of two guide bars, thereby make catch block and the draw-in groove on the brake block body mutually support, carry out more stable braking to the fixed block.
Compared with the prior art, the invention has the beneficial effects that:
1. when the brake block body is used, the brake block body is limited through the first guide plate and the second guide plate, so that the brake block body is matched with the hydraulic push rod to stably move between the first guide plate and the second guide plate, the clamping groove in the brake block body can be clamped with the fixing block, the brake block body can be conveniently controlled to brake the rotating shaft when being matched with the hydraulic push rod, meanwhile, the brake block is conveniently detached to be maintained, and the use efficiency of the brake device is ensured.
2. When the brake block is used, the two second inclined blocks are driven to move through the movement of the brake block body and are matched with the second limiting holes to limit the connecting rod, so that the second inclined blocks are kept stable in the moving process, the two second inclined blocks and the corresponding first inclined blocks are pushed to enable the corresponding rotating rods to rotate, the two rotating rods are simultaneously and rotatably matched with the bolts to pull the pushing rods, the pushing blocks are enabled to move towards the fixed blocks, the pushing blocks are matched with the clamping grooves in the brake block body to limit and fix the fixed blocks, and therefore the braking effect on the rotating shaft is improved.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of a winding mechanism according to the present invention;
FIG. 3 is a schematic view of the braking mechanism of the present invention;
FIG. 4 is a perspective view of the braking mechanism of the present invention;
FIG. 5 is a perspective view of the moving mechanism of the present invention;
FIG. 6 is a perspective view of the pushing mechanism of the present invention;
figure 7 is a perspective view of the brake pad structure of the present invention.
In the figure: 1. a base plate; 2. a dust cover; 3. a servo motor; 4. lifting a lifting rope; 5. a housing; 6. a winding mechanism; 7. a braking mechanism; 8. a cylinder; 9. a through hole; 10. footing; 601. a drum; 602. a fixed block; 603. a rotating shaft; 604. a mounting seat; 701. a first guide plate; 702. a pushing mechanism; 703. a second guide plate; 704. a moving mechanism; 705. a brake pad; 706. a hydraulic push rod; 7021. a chute; 7022. a push rod; 7023. a guide hole; 7024. a pushing block; 7041. rotating the rod; 7042. a first swash block; 7043. a support bar; 7051. a connecting rod; 7052. a guide bar; 7053. a brake pad body; 7054. and a second swash block.
Description of the preferred embodiment
The technical solutions of the present invention will be described below clearly and completely in conjunction with the embodiments, 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. 1-7, a brake device for a crane in a vertical direction and a working method thereof include a bottom plate 1, a housing 5 is fixedly installed in the middle of the top surface of the bottom plate 1, a winding cavity is formed inside the housing 5, a winding mechanism 6 is arranged at the bottom of the winding cavity, a brake mechanism 7 is arranged on the cavity wall on one side of the winding cavity, and a through hole 9 is formed in the middle of the bottom surface of the bottom plate 1.
The winding mechanism 6 comprises a mounting seat 604 fixedly connected with the bottom of a winding cavity of the shell 5, the top of the mounting seat 604 is rotatably connected with a roller 601 through a rotating shaft 603, a lifting rope 4 is wound on the roller 601, one end of the lifting rope 4 penetrates through the shell 5 and the through hole 9, and one end of the rotating shaft 603 is fixedly connected with a fixing block 602; the servo motor 3 operates to drive the rotating shaft 603 to rotate, and the lifting rope 4 is driven to be wound on the roller 601, so that the length of the lifting rope 4 is controlled.
The braking mechanism 7 comprises a first guide plate 701, a second guide plate 703 and a hydraulic push rod 706 which are fixedly connected with the wall of the winding cavity of the housing 5, a brake block 705 is arranged between the first guide plate 701 and the second guide plate 703 in a sliding manner, one surfaces of the first guide plate 701 and the second guide plate 703, which are far away from the brake block 705, are provided with a moving mechanism 704, the first guide plate 701 and the second guide plate 703 are provided with a first limiting hole and a second limiting hole, and the insides of the two first limiting holes are provided with a pushing mechanism 702 in a sliding manner; the brake block body 7053 is limited by the first guide plate 701 and the second guide plate 703, so that the brake block body 7053 is matched with the hydraulic push rod 706 to move smoothly between the first guide plate 701 and the second guide plate 703, a clamping groove in the brake block body 7053 can be clamped with the fixed block 602, and the brake block body 7053 can be conveniently controlled to brake the rotating shaft 603 by being matched with the hydraulic push rod 706.
The moving mechanism 704 includes a supporting rod 7043 fixedly connected to the second guide plate 703, the top of the supporting rod 7043 is rotatably connected to a rotating rod 7041 through a fixing pin, one end of the rotating rod 7041 is fixedly connected to a first inclined block 7042, the pushing mechanism 702 includes a pushing rod 7022 slidably connected to two first limiting holes, sliding grooves 7021 are respectively formed at two ends of the pushing rod 7022, the two sliding grooves 7021 are respectively movably connected to the other ends of the corresponding rotating rods 7041 through bolts, a pushing block 7024 is fixedly connected to the middle of the pushing rod 7022, two guide holes 7023 are formed in one side of the pushing rod 7022 facing the pushing block 7024, the brake block 705 includes a main body 7053 fixedly connected to the extending end of the hydraulic push rod 706, a clamping groove is formed in one side of the brake block main body 7053 away from the hydraulic push rod 706, the clamping groove corresponds to the position of the fixing block 602, guide rods 7052 are fixedly connected to two sides of the clamping groove, 7053 has a connecting rod 7051 fixedly connected to the top and bottom surfaces thereof, one end of the two connecting rods 7051 is fixedly connected to a second inclined block 7054, the two guide rods 7052 are respectively connected to the corresponding sliding holes, and the second inclined blocks 7042 and the second limiting holes are respectively connected to the second limiting holes; move two second sloping blocks 7054 of drive through brake block body 7053 and move, the spacing pore pair connecting rod 7051 of cooperation second is spacing, make the second sloping block 7054 keep steady at the removal in-process, promote with the first sloping block 7042 that corresponds through two second sloping blocks 7054, make corresponding dwang 7041 rotate, two dwang 7041 normal running fit bolts pull catch bar 7022 simultaneously, make catch block 7024 move towards fixed block 602, make the draw-in groove that catch block 7024 cooperates on the brake block body 7053 carry out spacing fixed to fixed block 602, thereby improve the braking effect to countershaft 603.
A dust cover 2 is fixedly mounted on one side of the top surface of the bottom plate 1, a servo motor 3 used for driving a winding mechanism 6 is arranged inside the dust cover 2, a cylinder 8 is arranged on the other side of the top surface of the bottom plate 1, and bottom feet 10 are fixedly connected to four corners of the bottom surface of the bottom plate 1.
The working method of the brake device for the vertical direction of the crane specifically comprises the following steps:
the method comprises the following steps: the servo motor 3 is operated to drive the rotating shaft 603 to rotate, so that the roller 601 winds the lifting rope 4, and when the lifting rope 4 is wound to a preset length, an operator controls the servo motor 3 to stop operating;
step two: the air cylinder 8 provides air pressure for the hydraulic push rod 706, so that the extending end of the hydraulic push rod 706 is extended, the brake block body 7053 slides between the first guide plate 701 and the second guide plate 703, and the clamping groove on the brake block body 7053 clamps the fixed block 602, so that the rotating shaft 603 is in a braking state;
step three: the two second inclined blocks 7054 are driven by the brake block body 7053 to push the corresponding first inclined blocks 7042, so that the two rotating rods 7041 rotate, the push rod 7022 moves towards the fixed block 602 under the limiting condition of the two guide rods 7052, and the push block 7024 is matched with a clamping groove in the brake block body 7053 to brake the fixed block 602 more stably.
The working principle is as follows: when the brake block is used, firstly, the hydraulic push rod 706 is powered through the air cylinder 8, so that the hydraulic push rod 706 extends to provide thrust for the brake block body 7053, the brake block body 7053 is limited through the first guide plate 701 and the second guide plate 703, so that the brake block body 7053 is matched with the hydraulic push rod 706 to move stably between the first guide plate 701 and the second guide plate 703, a clamping groove in the brake block body 7053 can be clamped with the fixed block 602, and whether the brake block body 7053 brakes the rotating shaft 603 or not can be conveniently controlled by matching with the hydraulic push rod 706; move two second sloping blocks 7054 of drive through brake block body 7053 and move, the spacing pore pair connecting rod 7051 of cooperation second is spacing, make second sloping block 7054 keep steady in the removal process, promote with corresponding first sloping block 7042 through two second sloping blocks 7054, make corresponding dwang 7041 rotate, two dwang 7041 normal running fit bolts pull catch bar 7022 simultaneously, make catch block 7024 move towards fixed block 602, make catch block 7024 cooperate the draw-in groove on the brake block body 7053 to carry out spacing fixed to fixed block 602, thereby improve the braking effect to pivot 603.
To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined objects, the following detailed description of the embodiments, structures, features and effects according to the present invention will be made with reference to the accompanying drawings and preferred embodiments.
Although the present invention has been described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the scope of the present invention.
Claims (1)
1. A working method of a braking device for a vertical direction of a crane is characterized in that: the braking device comprises a base plate (1), a shell (5) is fixedly mounted in the middle of the top surface of the base plate (1), a winding cavity is formed in the shell (5), a winding mechanism (6) is arranged at the bottom of the winding cavity, a braking mechanism (7) is arranged on the cavity wall of one side of the winding cavity, a through hole (9) is formed in the middle of the bottom surface of the base plate (1), the winding mechanism (6) comprises a mounting seat (604) fixedly connected with the bottom of the winding cavity of the shell (5), a roller (601) is rotatably connected to the top of the mounting seat (604) through a rotating shaft (603), a lifting rope (4) is wound on the roller (601), one end of the lifting rope (4) penetrates through the shell (5) and the through hole (9), a fixing block (602) is fixedly connected with one end of the rotating shaft (603), the braking mechanism (7) comprises a first guide plate (701) fixedly connected with the cavity of the shell (5), a second guide plate (703) and a hydraulic push rod (706), a sliding brake block (705) and a first limiting plate (701) are arranged between the first guide plate (703) and a second limiting plate (701), and a brake block (701) are arranged on the winding mechanism (701), and a first limiting plate (701), and a second limiting plate (701) are arranged on the winding mechanism (701), and a brake block (705), and a brake block (701) are arranged on the winding mechanism, and a first limiting plate (701), and a second limiting plate (701) are arranged on the winding mechanism, and a brake block (701) respectively arranged on the winding mechanism, and a first limiting plate (701), and a brake block (701), and a second limiting plate (701), and a brake block (701) are arranged on the winding mechanism The hole, two the inside slip in first spacing hole is provided with pushing mechanism (702), moving mechanism (704) include with second deflector (703) fixed connection's bracing piece (7043), the top of bracing piece (7043) is connected with dwang (7041) through the fixed pin rotation, the one end fixedly connected with first sloping block (7042) of dwang (7041), pushing mechanism (702) include with two first spacing hole sliding connection's catch bar (7022), spout (7021) have all been seted up at the both ends of catch bar (7022), two spout (7021) respectively through bolt and corresponding dwang (7041) other end swing joint, the middle part fixedly connected with catch bar (7024) of catch bar (7022), two guiding holes (7023) have been seted up towards a side of catch bar (7024) in catch bar (7022), brake block (705) include the draw-in groove body (7053) that stretches out end fixed connection with hydraulic push rod (706), hydraulic push rod (7053) one side of keeping away from hydraulic push rod body (7053) has been seted up, the draw-in groove (7052) and the fixed position of connecting rod (7051) and the brake block (7051), the both sides of the fixed block (7051) that the fixed connection had all be connected with the catch bar (7053), the one end of brake block (7051) and the fixed connection of the brake block (7051), the two guide rods (7052) are respectively in sliding connection with corresponding guide holes (7023), the two second inclined blocks (7054) respectively penetrate through corresponding second limiting holes and are in sliding connection with corresponding first inclined blocks (7042), a dust cover (2) is fixedly mounted on one side of the top surface of the bottom plate (1), a servo motor (3) used for driving a winding mechanism (6) is arranged inside the dust cover (2), an air cylinder (8) is arranged on the other side of the top surface of the bottom plate (1), and bottom feet (10) are fixedly connected with four corners of the bottom surface of the bottom plate (1);
the working method of the braking device specifically comprises the following steps:
the method comprises the following steps: the servo motor (3) operates to drive the rotating shaft (603) to rotate, so that the roller (601) winds the lifting rope (4), and when the lifting rope (4) is wound to a preset length, an operator controls the servo motor (3) to stop operating;
step two: air pressure is provided for the hydraulic push rod (706) through the air cylinder (8), the extending end of the hydraulic push rod (706) is made to extend, the brake block body (7053) slides between the first guide plate (701) and the second guide plate (703), the clamping groove in the brake block body (7053) is made to clamp the fixed block (602), and the rotating shaft (603) is made to be in a braking state;
step three: the brake block body (7053) drives the two second inclined blocks (7054) to push the corresponding first inclined blocks (7042), so that the two rotating rods (7041) rotate, the push rod (7022) moves towards the fixed block (602) under the limiting condition of the two guide rods (7052), and therefore the push block (7024) is matched with a clamping groove in the brake block body (7053) to brake the fixed block (602) more stably.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110910366.2A CN113620196B (en) | 2021-08-09 | 2021-08-09 | Braking device for vertical direction of crane and working method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110910366.2A CN113620196B (en) | 2021-08-09 | 2021-08-09 | Braking device for vertical direction of crane and working method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113620196A CN113620196A (en) | 2021-11-09 |
| CN113620196B true CN113620196B (en) | 2023-03-31 |
Family
ID=78383837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110910366.2A Active CN113620196B (en) | 2021-08-09 | 2021-08-09 | Braking device for vertical direction of crane and working method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113620196B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211733706U (en) * | 2020-01-20 | 2020-10-23 | 徐州市凯诺机械有限公司 | Mechanical equipment hoisting device with automatic limiting function |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030028818A (en) * | 2001-06-29 | 2003-04-10 | 미쓰비시덴키 가부시키가이샤 | Emergency brake device of elevator |
| CN206799061U (en) * | 2017-05-27 | 2017-12-26 | 白振松 | Crane braking device |
| CN207226721U (en) * | 2017-08-31 | 2018-04-13 | 河南省国泰安信息技术有限公司 | Elevator safety protection device |
| CN208022630U (en) * | 2018-01-05 | 2018-10-30 | 辛志民 | A kind of brake gear of crane spool |
| CN211733702U (en) * | 2019-12-16 | 2020-10-23 | 张伟 | Hydraulic operated haulage winch |
-
2021
- 2021-08-09 CN CN202110910366.2A patent/CN113620196B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211733706U (en) * | 2020-01-20 | 2020-10-23 | 徐州市凯诺机械有限公司 | Mechanical equipment hoisting device with automatic limiting function |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113620196A (en) | 2021-11-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209881225U (en) | Trolley for mounting cable trough box | |
| CN212356247U (en) | Horizontal coil lifting appliance with rotary supporting claw | |
| CN113620196B (en) | Braking device for vertical direction of crane and working method thereof | |
| CN104495636A (en) | Balanced hoisting device | |
| CN212687409U (en) | Lifting machine for building | |
| CN212287525U (en) | Mechanical equipment maintenance device | |
| CN210795615U (en) | Crane hoisting device with double-brake structure | |
| CN210133823U (en) | Portable lifting device for electric power engineering | |
| CN209922752U (en) | Special lifting support for electromechanical installation | |
| CN218665040U (en) | Movable gantry crane device | |
| CN115012675A (en) | Assembling type building sample plate wall body installation device and method | |
| CN114614415A (en) | Cable bridge convenient to angle of adjustment | |
| CN211594909U (en) | Lifting appliance for tool clamp | |
| CN204434117U (en) | A kind of balance crane assembling device | |
| CN110790173A (en) | Lifting device for engineering machinery | |
| CN214989664U (en) | Hanging beam for rotation of crane | |
| CN205204690U (en) | Balanced hoisting machine | |
| CN221051370U (en) | Fan hoist device | |
| CN213707536U (en) | Hydraulic side force arm self-locking type automatic rail clamping device | |
| CN117533938B (en) | Prefabricated wallboard component overhead hoist | |
| CN218778606U (en) | Crane lifting device | |
| CN219449101U (en) | Lifting device for be used for electromechanical installation | |
| CN212712624U (en) | Multi-functional electric power construction auxiliary device | |
| CN215048166U (en) | Movable gantry crane | |
| CN216371835U (en) | Rotating shaft maintenance adjusting device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 231600 intersection of Liaoyuan road and Daihe Road, Feidong Economic Development Zone, Hefei City, Anhui Province Applicant after: Anhui Jangho Intelligent Equipment Group Co.,Ltd. Address before: 230000 intersection of Liaoyuan road and Daihe Road, Feidong Economic Development Zone, Hefei City, Anhui Province Applicant before: Anhui Chunhua Intelligent Technology Co.,Ltd. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |