CN112591647A - Mounting rack with circuit protection mechanism - Google Patents
Mounting rack with circuit protection mechanism Download PDFInfo
- Publication number
- CN112591647A CN112591647A CN202011342804.1A CN202011342804A CN112591647A CN 112591647 A CN112591647 A CN 112591647A CN 202011342804 A CN202011342804 A CN 202011342804A CN 112591647 A CN112591647 A CN 112591647A
- Authority
- CN
- China
- Prior art keywords
- protection mechanism
- line protection
- mounting platform
- mount
- cable
- 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.)
- Granted
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/02—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms suspended from ropes, cables, or chains or screws and movable along pillars
- B66F7/025—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms suspended from ropes, cables, or chains or screws and movable along pillars screw operated
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G11/00—Arrangements of electric cables or lines between relatively-movable parts
- H02G11/02—Arrangements of electric cables or lines between relatively-movable parts using take-up reel or drum
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/06—Means for converting reciprocating motion into rotary motion or vice versa
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Patch Boards (AREA)
- Invalid Beds And Related Equipment (AREA)
Abstract
The invention discloses a mounting rack with a line protection mechanism, which comprises a bottom box, wherein vertical boxes are fixedly arranged on the left side and the right side of the top surface of the bottom box, a through groove is formed in the joint of the bottom box and the vertical boxes, sliding grooves are formed in the opposite sides of the two vertical boxes, screw rods are arranged in the two vertical boxes, screw rod nuts are arranged on the two screw rods, connecting blocks are fixedly connected to the opposite sides of the two screw rod nuts, and a mounting platform is arranged between the two vertical boxes; a circuit protection mechanism is arranged on the top surface of the mounting platform; and a driving mechanism is arranged in the bottom box. Through starter motor, it is rotatory to make the motor drive the lead screw that is located the right side, and then it is rotatory to drive another lead screw through driving belt, and when two lead screws were rotatory, two screw-nut can make progress or move down simultaneously, and then drive connecting block, mounting platform and remove, and then carry out altitude mixture control to the equipment on the mounting platform to the work and the use of the equipment of being convenient for.
Description
Technical Field
The invention relates to the field of equipment installation, in particular to an installation frame with a line protection mechanism.
Background
The equipment is a general term of material data such as machines, devices, facilities and the like required by people in production and life, the electromechanical equipment is equipment applying mechanical and electronic technologies, the mechanical equipment is the most important component of the electromechanical equipment, and when some large electromechanical equipment is installed, a mounting frame is often required;
however, the existing mounting bracket lacks the line protection function; when the electromechanical device is installed, the problem of cables can not be taken care of, the cables are easy to be knotted, and the cables are easy to be damaged; and the existing mounting rack does not have the height adjusting function, so that the mounting rack is very inconvenient to use.
Disclosure of Invention
The present invention is directed to a mounting bracket with a line protection mechanism to solve the above-mentioned problems.
In order to solve the technical problems, the invention adopts the following technical scheme:
the mounting rack with the line protection mechanism comprises a bottom box, wherein vertical boxes are fixedly arranged on the left side and the right side of the top surface of the bottom box, a through groove is formed in the joint of the bottom box and the vertical boxes, sliding grooves are formed in one opposite side of the two vertical boxes, screw rods are arranged in the two vertical boxes, the upper ends of the two screw rods are respectively rotatably connected with the inner top surfaces of the two vertical boxes, the lower ends of the two screw rods penetrate through the through groove and are rotatably connected with the inner bottom surface of the bottom box, screw rod nuts are arranged on the two screw rods, connecting blocks are fixedly connected to one opposite sides of the two screw rod nuts, the two connecting blocks penetrate through the two sliding grooves and are respectively slidably connected with the two sliding grooves, a mounting platform is arranged between the two vertical boxes, and the left side surface and the right side surface of the mounting platform are respectively; a circuit protection mechanism is arranged on the top surface of the mounting platform; and a driving mechanism is arranged in the bottom box.
Preferably, be provided with driving belt in the under casing, two all fixed the cover is equipped with the belt pulley on the lower extreme of lead screw, driving belt overlaps and establishes on two belt pulleys.
Preferably, actuating mechanism includes the motor, the motor is installed on the interior bottom surface of under casing, the last fixed cover of power output shaft of motor is equipped with the driving gear, the meshing is connected with driven gear on the driving gear, driven gear fixed cover is established at the lower extreme that is located the right side lead screw.
Preferably, the line protection mechanism comprises two fixing blocks and a shaft rod, the two fixing blocks are fixedly arranged on the top surface of the mounting platform, the shaft rod penetrates through the two fixing blocks and is rotatably connected with the two fixing blocks, the roller is fixedly sleeved on the part of the shaft rod between the two fixing blocks, a wire collecting groove is formed in the surface of the roller, and the wire collecting groove is spirally formed in the surface of the roller.
Preferably, a plurality of limiting bulges are fixedly arranged in the wire collecting groove, and the limiting bulges are made of silica gel.
Preferably, the top surface of the mounting platform is fixedly provided with a guard rail, and the guard rail is made of stainless steel.
The invention has the beneficial effects that:
1. according to the invention, the motor is started to drive the screw rod positioned on the right side to rotate, and then the other screw rod is driven to rotate through the transmission belt, when the two screw rods rotate, the two screw rod nuts can simultaneously move upwards or downwards to drive the connecting block and the mounting platform to move, so that the height of equipment on the mounting platform is adjusted, and therefore, the equipment can be conveniently operated and used.
2. According to the invention, by arranging the line protection mechanism, the cables with redundant lengths can be wound in the line collecting grooves on the roller, and the limiting bulges are used for clamping the cables, so that the lines can be knotted, and the redundant lines can be prevented from shaking around due to wind.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1 according to the present invention;
FIG. 3 is a schematic view of the present invention;
FIG. 4 is an enlarged view of portion B of FIG. 3 according to the present invention;
FIG. 5 is a schematic partial structure view of another structure of the present invention;
fig. 6 is a schematic view of the structure of the connection site when the cable is connected.
Detailed Description
In order to make the technical means, the original characteristics, the achieved purposes and the effects of the invention easily understood, the invention is further described below with reference to the specific embodiments and the attached drawings, but the following embodiments are only the preferred embodiments of the invention, and not all embodiments. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention.
Specific embodiments of the present invention are described below with reference to the accompanying drawings.
Examples
As shown in fig. 1-4, the mounting rack with the line protection mechanism comprises a bottom case 1, wherein the left side and the right side of the top surface of the bottom case 1 are fixedly provided with vertical cases 2, a through groove 9 is formed at the joint of the bottom case 1 and the vertical cases 2, sliding grooves 18 are formed in one opposite sides of the two vertical cases 2, lead screws 3 are arranged in the two vertical cases 2, the upper ends of the two lead screws 3 are rotatably connected with the inner top surfaces of the two vertical cases 2 respectively, the lower ends of the two lead screws 3 penetrate through the through groove 9 and are rotatably connected with the inner bottom surface of the bottom case 1, lead screw nuts 4 are arranged on the two lead screws 3, connecting blocks 5 are fixedly connected to one opposite sides of the two lead screw nuts 4, the two connecting blocks 5 penetrate through the two sliding grooves 18 respectively and are slidably connected with the two sliding grooves 18 respectively, a mounting platform 6 is arranged between the two vertical cases 2, and the left side; a circuit protection mechanism is arranged on the top surface of the mounting platform 6; a driving mechanism is arranged in the bottom box 1, a transmission belt 8 is arranged in the bottom box 1, belt pulleys are fixedly sleeved on the lower ends of the two lead screws 3, the transmission belt 8 is sleeved on the two belt pulleys, the driving mechanism comprises a motor 10, the motor 10 is arranged on the inner bottom surface of the bottom box 1, a driving gear 11 is fixedly sleeved on a power output shaft of the motor 10, a driven gear 12 is meshed and connected with the driving gear 11, the driven gear 12 is fixedly sleeved on the lower end of the lead screw 3 positioned on the right side, a circuit protection mechanism comprises two fixed blocks 13 and a shaft lever 14, the two fixed blocks 13 are fixedly arranged on the top surface of the mounting platform 6, the shaft lever 14 penetrates through the two fixed blocks 13 and is rotatably connected with the two fixed blocks 13, a roller 15 is fixedly sleeved on the part of the shaft lever 14 positioned between the two fixed blocks 13, a wire collecting groove 16 is formed in, a plurality of limiting bulges 17 are fixedly arranged in the wire collecting groove 16, the limiting bulges 17 are made of silica gel, the top surface of the mounting platform 6 is fixedly provided with a protective guard 7, and the protective guard 7 is made of stainless steel.
The roller is wound with a cable, an end plate is arranged at one end of the roller, one end of the cable, which is located at the end plate, serves as the tail end, the other end of the cable serves as the front end, a plug is arranged at the front end of the cable, and a jack matched with the plug is arranged at the tail end of the cable, as shown in fig. 6. The end 28 of the cable is further provided with a catch 31 for locking the plug, and the front end 29 of the cable is further provided with a protrusion 30 which extends into the catch 31. The end plate is provided with a protruding structure which is the same as the protrusion, and the tail end of the cable is clamped with the protruding structure through a buckle. Thereby securing the end of the cable and allowing the end of the cable to rotate as the drum rotates.
The working principle is as follows: after the installation is finished, the motor 10 is started, a power output shaft of the motor 10 drives the driving gear 11 to rotate, further drives the driven gear 12 to rotate, further drives the lead screw 3 on the right side to rotate, further drives the lead screw 3 on the left side to rotate through the belt pulley and the transmission belt 8, when the two lead screws 3 rotate, the lead screw nuts 4 on the two lead screws 3 move upwards, further drives the two connecting blocks 5 to move upwards, further drives the installation platform 6 to move upwards, further drives the equipment to move upwards, and further adjusts the height of the equipment; after the regulation is accomplished, through with unnecessary length cable winding on roller 15, place the cable in receiving line groove 16, block the cable with the spacing arch 17 of silica gel material, the condition of knoing can prevent to appear in the cable of unnecessary length on the one hand, and on the other hand can avoid the cable of unnecessary length to rock everywhere along with the wind.
The line protection mechanism is located on the left side of the mounting platform 6, and the central axis is parallel to the riser box. Thereby making the line protection device close to the side and leaving more space for the user. Because of line protection mechanism is nearer apart from founding the case, for avoiding the circuit to get into the logical groove on founding the case, the trompil that runs through from top to bottom is equipped with on mounting platform 6, and the trompil is located line protection mechanism's right side below, and the cable passes the trompil. Thereby defining the position of the cable with the aperture and moving the cable downwardly or away from the stand. Be equipped with the guide structure of guide cable direction of motion between cable and the trompil, guide structure's import is located the right side below of roller, and guide structure's export and trompil intercommunication. The opening is preferably an inclined opening with an upper port close to the left and a lower port close to the right. In the first scheme, the guide structure is an inclined plate-shaped body, the upper end of the first plate-shaped body is positioned below the roller 15, and the lower end of the plate-shaped body is welded or connected to the left side of the opening through a rotating shaft. The lower part of the plate-shaped body can be provided with a supporting rib or a supporting plate which is positioned in the vertical direction, the upper end of the supporting rib or the supporting plate is welded with the lower end face of the plate-shaped body, and the lower end of the supporting rib or the supporting plate is welded with the upper end face of the mounting platform or is abutted against the upper end face of the mounting platform. Preferably, a linear distance from the upper end of the plate-shaped body to the lower end of the plate-shaped body is smaller than a minimum distance from the opening to the roller. So that the roller does not generate blockage when the plate-shaped body overturns. Referring to fig. 5, the guiding structure is in a seat shape, and the guiding structure is composed of a first bending plate 19, a first vertical plate 20, a first horizontal plate 21, second riser 23, first connecting plate, first hang plate 22 is constituteed, first bent plate 19 is circular-arcly, hang on rail guard 7, the upper end that first riser 20 that first bent plate 19 is located the one end connection on right side is located vertical direction, the left end that is located horizontal direction first diaphragm 21 is connected to the lower extreme of first riser 20, the upper end that is located vertical direction second riser 23 is connected to the right-hand member of first diaphragm 21, the right-hand member of second riser 23 that is located horizontal direction first connecting plate is connected to the lower extreme of second riser 23, the lower extreme of the first hang plate 22 that the slope set up is connected to the left end of first connecting plate, the roller is located the below of first diaphragm 21, the upper end of first slope version 23 is located the below of roller, first connecting plate is equipped with the fluting on the position that the trompil corresponds. The cable passes through the slot and the opening in sequence. The lower extreme of second riser can be connected with the left end of first connecting plate through pivot 24, and first connecting plate is fixed on mounting platform 6. Therefore, all parts in front of the first connecting plate can be opened through rotation, and the roller and other parts can be conveniently overhauled. Under this structure, guide structure not only can guide the cable to pass the trompil, thereby can also shield the roller and avoid debris to fall into the roller, still can provide the seat of interim rest for the user, and a thing is multi-purpose, multiple purposes.
The right side of the lower end face of the mounting platform may also be fixedly provided with a line protection mechanism, the line protection mechanism positioned on the left side of the upper end face is used as the main line protection mechanism 25, and the line protection mechanism positioned on the right side of the lower end face is used as the auxiliary line protection mechanism 27. The structure of the auxiliary line protection mechanism is the same as that of the main line protection mechanism. The auxiliary line protection mechanism 27 can balance the stress of the platform to make the center of gravity more stable on one hand, and on the other hand, when the length of the cable on the main line protection mechanism is not enough, the cable on the auxiliary line protection mechanism can be effectively supplemented. Preferably, the left side of the lower end face of the mounting platform is provided with an auxiliary wheel 26, the auxiliary wheel 26 is located below the roller of the main line protection mechanism, the mounting platform is provided with a threading hole which penetrates through the mounting platform from top to bottom, the threading hole is located on the left lower side of the roller of the main line protection mechanism, and a cable on the roller of the auxiliary line protection mechanism passes through the threading hole to reach the top of the mounting platform after bypassing the auxiliary wheel and is fixed. When needs use as the extension line, take off the end of first cable, the front end of second cable to after plug and jack are pegged graft, block through buckle, arch. At this time, the roller of the main cable is used as a guide roller, and the second cable passes around the guide roller and enters the opening. The structure can effectively avoid the space above the mounting platform, thereby avoiding the mutual interference with users. The structure can also effectively utilize the main line protection mechanism and the guide structure below the main line protection mechanism without additionally arranging a guide roller and a guide structure.
In order to avoid the line protection mechanism and the auxiliary wheel which are positioned below the mounting platform, a square frame-shaped frame structure can be arranged below the mounting platform, and the height of the frame structure is greater than the height of the line protection mechanism and the height of the auxiliary wheel. So that the frame structure lands first and plays a supporting role when falling to the lowest part. In order to avoid the situation that the frame structure is too high and causes inconvenience for users to go up and down, a supporting plate is covered in front of the frame structure and is in a slope shape or a stair shape.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. Take line protection mechanism's mounting bracket, including under casing (1), its characterized in that: the left side and the right side of the top surface of the bottom box (1) are fixedly provided with the vertical boxes (2), the joint of the bottom box (1) and the vertical boxes (2) is provided with a through groove (9), one side of each vertical box (2) opposite to the corresponding vertical box is provided with a sliding groove (18), the two vertical boxes (2) are internally provided with screw rods (3), the upper ends of the two screw rods (3) are respectively rotatably connected with the inner top surfaces of the two vertical boxes (2), the lower ends of the two screw rods (3) penetrate through the through groove (9) and are rotatably connected with the inner bottom surface of the bottom box (1), the two screw rods (3) are respectively provided with screw nuts (4), one side of each screw nut (4) opposite to the corresponding connecting block (5), the two connecting blocks (5) penetrate through the two sliding grooves (18) respectively and are slidably connected with the two sliding grooves (18), and an installation platform (6) is arranged between the two vertical boxes (2), the left side surface and the right side surface of the mounting platform (6) are respectively fixedly connected with the two connecting blocks (5); a circuit protection mechanism is arranged on the top surface of the mounting platform (6); a driving mechanism is arranged in the bottom box (1).
2. The mount with line protection mechanism of claim 1, wherein: be provided with driving belt (8) in bottom case (1), two all fixed the cover is equipped with the belt pulley on the lower extreme of lead screw (3), driving belt (8) cover is established on two belt pulleys.
3. The mount with line protection mechanism of claim 1, wherein: actuating mechanism includes motor (10), install on the interior bottom surface of under casing (1) motor (10), fixed cover is equipped with driving gear (11) on the power output shaft of motor (10), the meshing is connected with driven gear (12) on driving gear (11), driven gear (12) fixed cover is established and is located the lower extreme of right side lead screw (3).
4. The mount with line protection mechanism of claim 1, wherein: the line protection mechanism comprises two fixing blocks (13) and a shaft rod (14), wherein the two fixing blocks (13) are fixedly arranged on the top surface of the mounting platform (6), the shaft rod (14) penetrates through the two fixing blocks (13) and is rotatably connected with the two fixing blocks (13), the roller (15) is fixedly sleeved on the part, located between the two fixing blocks (13), of the shaft rod (14), a line collecting groove (16) is formed in the surface of the roller (15), and the line collecting groove (16) is spirally formed in the surface of the roller (15).
5. The mount with line protection mechanism of claim 4, wherein: the wire collecting groove (16) is internally and fixedly provided with a plurality of limiting bulges (17), and the limiting bulges (17) are made of silica gel.
6. The mount with line protection mechanism of claim 4, wherein: the top surface of the mounting platform (6) is fixedly provided with a protective guard (7), and the protective guard (7) is made of stainless steel.
7. The mount with the line protection mechanism according to any one of claims 1 to 6, wherein: the line protection mechanism is positioned on the left side of the mounting platform (6), and the central axis of the line protection mechanism is parallel to the vertical box.
8. The mount with line protection mechanism of claim 7, wherein: the cable protection device is characterized in that an up-and-down through hole is formed in the mounting platform (6), the hole is located at the right lower side of the line protection mechanism, and the cable penetrates through the hole.
9. The mount with line protection mechanism of claim 7, wherein: the cable with be equipped with the guide structure of guide cable direction of motion between the trompil, guide structure's import is located the right below of roller, and guide structure's export and trompil intercommunication.
10. The mount with the line protection mechanism according to any one of claims 1 to 6, wherein: and the right side of the lower end surface of the mounting platform is also fixedly provided with a line protection mechanism, the line protection mechanism positioned on the left side of the upper end surface is used as a main line protection mechanism (25), and the line protection mechanism positioned on the right side of the lower end surface is used as an auxiliary line protection mechanism (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011342804.1A CN112591647B (en) | 2020-11-25 | 2020-11-25 | Mounting rack with circuit protection mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011342804.1A CN112591647B (en) | 2020-11-25 | 2020-11-25 | Mounting rack with circuit protection mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112591647A true CN112591647A (en) | 2021-04-02 |
| CN112591647B CN112591647B (en) | 2022-06-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011342804.1A Active CN112591647B (en) | 2020-11-25 | 2020-11-25 | Mounting rack with circuit protection mechanism |
Country Status (1)
| Country | Link |
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| CN (1) | CN112591647B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113036704A (en) * | 2021-05-12 | 2021-06-25 | 白巳斯古冷 | Auxiliary traction device for deicing of high-altitude high-voltage cable based on electric power engineering |
| CN113998614A (en) * | 2021-11-12 | 2022-02-01 | 湖南常德牌水表制造有限公司 | Supporting device for mounting water meter with adjustable angle |
| CN115072606A (en) * | 2022-05-25 | 2022-09-20 | 无锡圣迈亿精密制造科技有限公司 | Prevent empting safety protection jacking transplanter hoist mechanism |
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| CN211649605U (en) * | 2020-02-23 | 2020-10-09 | 李峰 | Electromechanical device mounting frame with circuit protection mechanism |
| CN111891830A (en) * | 2020-07-22 | 2020-11-06 | 重庆工程职业技术学院 | Line protection mechanism for electromechanical equipment installation |
| CN111960316A (en) * | 2020-08-30 | 2020-11-20 | 廖宏波 | Novel aviation aircraft fin that aviation was used washs and uses lift platform |
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| CN109437042A (en) * | 2018-12-14 | 2019-03-08 | 安徽职业技术学院 | A kind of architectural engineering material lift equipment |
| CN209853465U (en) * | 2019-04-08 | 2019-12-27 | 杨光 | Pay-off is used in power transmission line construction |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113036704A (en) * | 2021-05-12 | 2021-06-25 | 白巳斯古冷 | Auxiliary traction device for deicing of high-altitude high-voltage cable based on electric power engineering |
| CN113036704B (en) * | 2021-05-12 | 2022-09-06 | 北京必成达电缆附件有限公司 | Auxiliary traction device for deicing of high-altitude high-voltage cable based on electric power engineering |
| CN113998614A (en) * | 2021-11-12 | 2022-02-01 | 湖南常德牌水表制造有限公司 | Supporting device for mounting water meter with adjustable angle |
| CN115072606A (en) * | 2022-05-25 | 2022-09-20 | 无锡圣迈亿精密制造科技有限公司 | Prevent empting safety protection jacking transplanter hoist mechanism |
| CN115072606B (en) * | 2022-05-25 | 2024-02-09 | 无锡圣迈亿精密制造科技有限公司 | Anti-toppling safety protection jacking transplanter lifting mechanism |
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| Publication number | Publication date |
|---|---|
| CN112591647B (en) | 2022-06-21 |
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