CN112875488A - Power equipment hoisting threading operating rod convenient for height adjustment - Google Patents
Power equipment hoisting threading operating rod convenient for height adjustment Download PDFInfo
- Publication number
- CN112875488A CN112875488A CN202110030721.7A CN202110030721A CN112875488A CN 112875488 A CN112875488 A CN 112875488A CN 202110030721 A CN202110030721 A CN 202110030721A CN 112875488 A CN112875488 A CN 112875488A
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- China
- Prior art keywords
- lifting
- plate
- operating rod
- hoisting
- threading
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- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-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
- B66C1/10—Load-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
- B66C1/12—Slings comprising chains, wires, ropes, or bands; Nets
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-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
- B66C1/10—Load-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
- B66C1/42—Gripping members engaging only the external or internal surfaces of the articles
- B66C1/44—Gripping members engaging only the external or internal surfaces of the articles and applying frictional forces
- B66C1/442—Gripping members engaging only the external or internal surfaces of the articles and applying frictional forces actuated by lifting force
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-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
- B66C1/10—Load-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
- B66C1/42—Gripping members engaging only the external or internal surfaces of the articles
- B66C1/44—Gripping members engaging only the external or internal surfaces of the articles and applying frictional forces
- B66C1/54—Internally-expanding grippers for handling hollow articles
- B66C1/56—Internally-expanding grippers for handling hollow articles for handling tubes
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention provides a power equipment hoisting threading operating rod convenient for height adjustment, which comprises a lifting plate, a supporting plate, a lifting operating rod, an expansion mechanism, a supporting wheel frame and a hoisting rope, wherein the lifting plate is arranged on the lifting operating rod; two sides of the lifting plate are respectively connected with two telescopic cylinders in a sliding manner; the bottom surface of the supporting plate is fixedly connected with four telescopic elastic wheels; the left lower end shaft of the expansion mechanism is rotatably connected to the upper surface of the supporting plate through a bearing, the left upper end shaft of the expansion mechanism is rotatably connected to the lower surface of the lifting plate through a bearing, and the sliding blocks on the upper side and the lower side of the expansion mechanism are respectively connected into the upper sliding rail of the lifting plate and the lower sliding rail of the supporting plate in a sliding manner; the left end of the lifting operating rod is rotatably connected in a fixed block hole of the expansion mechanism; therefore, the equipment realizes the conversion of clamping force by utilizing the self gravity, so that the concrete tower cylinder is more balanced in compression when being lifted, and the probability that the concrete tower cylinder is damaged due to stress concentration caused by uneven stress during lifting is reduced.
Description
Technical Field
The invention belongs to the technical field of hoisting equipment, and particularly relates to a power equipment hoisting threading operating rod with height convenient to adjust.
Background
Hoisting refers to the general term of installation and in-place of equipment by a crane or a hoisting mechanism, and is a special word for in-place of the equipment. Hoisting generally needs the cooperation of a lifting appliance (or called a sling), and the lifting appliance is manufactured by a professional manufacturer. Along with the progress of domestic city construction, hoisting equipment is more widely used, such as electric power construction, power maintenance, construction and transportation, wherein, when electric power facility construction, use hoisting equipment can be more laborsaving, more convenient transportation component, such as equipment such as wind power generation, photovoltaic power generation and high-voltage transportation electric wire frame, usable hoisting equipment carries out the transportation to the assembly forming structure.
For example, application No.: the invention discloses a hoisting and turning-over device and a hoisting and turning-over method for a concrete tower drum, which comprise a hoisting frame main body, wherein the upper part of the hoisting frame main body is provided with an upper suspension point for being connected with hoisting equipment, the lower part of the hoisting frame main body is symmetrically provided with four lower suspension points for being connected to the concrete tower drum, and the four lower suspension points comprise a pair of main suspension points and a pair of auxiliary suspension points which are respectively and symmetrically arranged relative to the upper suspension point; the upper ends of the tower cylinder slings are respectively connected to the main suspension points, the lower ends of the tower cylinder slings are connected to side lifting lugs in the outer peripheral surface of the concrete tower cylinder, and the side lifting lugs are positioned on the outer peripheral surface of the concrete tower cylinder along the radial direction of the concrete tower cylinder; and the upper ends of the first chain block and the second chain block are respectively arranged on the pair of auxiliary suspension points, and the lower ends of the first chain block and the second chain block are respectively connected to an upper lifting lug at the upper end and a lower lifting lug at the lower end of the concrete tower barrel.
Based on the search of above-mentioned patent to and the structure discovery among the combination prior art, hoisting equipment similar to among the above-mentioned patent is when transporting the concrete tower concatenation section of thick bamboo that is similar to the high pressure transportation tower use, and common hoist and mount method is fixed for directly binding using the jack-up cable wire, and this mode troublesome poeration, and hoist and mount are unstable, appear stress concentration easily, cause concrete tower section of thick bamboo local damage easily.
Disclosure of Invention
In order to solve the technical problems, the invention provides a power equipment hoisting threading operating rod with the height convenient to adjust, which aims to solve the problems that when hoisting equipment similar to the hoisting equipment in the patent is used for transporting a concrete tower splicing barrel similar to a high-pressure transportation tower, a common hoisting method is to directly bind and fix a hoisting steel cable, the method is troublesome to operate, unstable in hoisting, easy to cause stress concentration and easy to cause local damage to the concrete tower barrel.
The invention relates to a purpose and an effect of conveniently adjusting the height of a power equipment hoisting threading operating rod, which are achieved by the following specific technical means:
a power equipment hoisting threading operating rod convenient for height adjustment comprises a lifting plate, a supporting plate, a lifting operating rod, an expansion mechanism, a supporting wheel frame and a hoisting rope; two sides of the lifting plate are respectively connected with two telescopic cylinders in a sliding manner; the bottom surface of the supporting plate is fixedly connected with four telescopic elastic wheels; the left lower end shaft of the expansion mechanism is rotatably connected to the upper surface of the supporting plate through a bearing, the left upper end shaft of the expansion mechanism is rotatably connected to the lower surface of the lifting plate through a bearing, and the sliding blocks on the upper side and the lower side of the expansion mechanism are respectively connected into the upper sliding rail of the lifting plate and the lower sliding rail of the supporting plate in a sliding manner; the left end of the lifting operating rod is rotatably connected in a fixed block hole of the expansion mechanism, and a right side shaft of the lifting operating rod is connected with the adjusting block through threads; two ends of the supporting wheel carrier are rotatably connected between the raised lines on the two sides of the lifting plate through bearings, and the supporting wheel carrier is rotatably connected to the left end and the right end of the lifting plate at two positions; one end of the hoisting rope is fixedly connected to the threading plate on the inner side of the telescopic cylinder, and the line body of the hoisting rope passes through the threading plate on the telescopic cylinder on the other side; the hoisting ropes are movably connected to the supporting wheel carrier, and the number of the hoisting ropes is two.
Furthermore, the sliding grooves are formed in the two side edges of the lifting plate, side raised lines with T-shaped sections are further arranged on the outer sides of the sliding grooves, the lower surface of the lifting plate is connected with two upper sliding rails through welding, and rectangular grooves are formed in the inner sides of the upper sliding rails.
Furthermore, the two ends of the inner side of the lower surface of the telescopic cylinder are respectively provided with a threading plate, the upper side of the outer end of the telescopic cylinder is fixedly connected with a positioning folded plate, the section of the positioning folded plate is of an L-shaped structure, and the inner side of the telescopic cylinder is further provided with a guide chute.
Furthermore, two threading holes with round hole structures are formed in the threading plate.
Further, both sides all are connected with the side cylinder through the support rotation around the lower surface of backup pad, and the upper surface of backup pad has two lower slide rails through welded connection to two rectangle recesses have all been seted up to the medial surface of two lower slide rails.
Furthermore, the right end of the lifting operation rod is fixedly connected with a hand wheel, the right side of the shaft of the lifting operation rod is provided with an adjusting thread, and the left shaft end of the lifting operation rod is designed to be of a stepped shaft structure.
Further, expanding mechanism is still including regulating block, fixed block, four sliders and connecting rod, and fixed block fixed connection has seted up a round hole in the middle of the left side below axle of connecting rod in the middle of the fixed block, and threaded hole is seted up in the middle of the regulating block, and the axle both ends of regulating block are equipped with the slider, and articulated shaft swing joint is passed through to the intermediate position of four connecting rods.
Furthermore, two ends of the supporting wheel frame are respectively and fixedly connected with a pulley.
Compared with the prior art, the invention has the following beneficial effects:
through the cooperation of the lifting operation pole and the expanding mechanism of this structure, rotatory lifting operation pole, make the regulating block of expanding mechanism below to the inboard removal through the screw drive principle, the fixed block is fixed motionless, the slider removes to the direction of fixed block simultaneously, it is thus visible, can make expanding mechanism's height uprise, can be used to with this structure removal back in advancing a concrete section of thick bamboo, carry out altitude mixture control again, make this equipment at a concrete section of thick bamboo internal fixation, it is more firm when being convenient for hoist and mount, do not vibrate, and the convenient connection to this lifting device, installation and dismantlement.
Through the cooperation of the lifter plate and the telescopic cylinder of this structure, the spout and the side sand grip of lifter plate can make the telescopic cylinder slide in the side of lifter plate, play the guide effect to the removal of telescopic cylinder, the telescopic cylinder is total everywhere, equal sliding connection is on the side of lifter plate, every side sliding connection has two places, the one end that is connected with the location folded plate is towards the outside, set up the through wires hole of two round hole structures on the through wires plate, when the assembly, with the one end fixed connection of jack-up rope on the through wires hole of one of them inboard, pass the jack-up rope again on two through wires plates of another telescopic cylinder of homonymy, make every jack-up rope all connect two telescopic cylinders, it is taut to the inboard simultaneously with two telescopic cylinders of homonymy when the jack-up rope receives the pulling force in the outside, press from both sides the concrete tower section of thick bamboo of drum structure under the effect of location folded plate.
Through the cooperation of the supporting wheel frame and the hoisting rope, the hoisting rope winds through the pulley on the supporting wheel frame and is then hung on the hoisting equipment above, the hoisting rope is hoisted by utilizing the hoisting equipment, and the pulley plays a role in changing the tension direction of the hoisting rope. It can be seen that the equipment uses the rope to match with the clamping block and the internal transmission mechanism, and utilizes self gravity to realize the conversion of clamping force, so that the concrete tower cylinder is more balanced in compression when being lifted, and the probability of damage caused by stress concentration due to uneven stress during lifting is reduced.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic view of the construction of a telescopic cylinder and a hoisting line according to the invention.
Fig. 3 is a schematic diagram of the structure of the elevator of the present invention.
Fig. 4 is a schematic cross-sectional view of the lifter plate of the present invention.
Fig. 5 is a right side view of fig. 1 of the present invention.
Fig. 6 is a schematic view of the expansion mechanism of the present invention.
Fig. 7 is a schematic view of the telescopic cylinder structure of the present invention.
FIG. 8 is a schematic structural view of the present invention during hoisting.
In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:
1. a lifting plate; 101. a chute; 102. side convex strips; 103. an upper slide rail; 2. a telescopic cylinder; 201. a threading plate; 2011. threading holes; 202. positioning the folded plate; 203. a guide chute; 3. a support plate; 301. a side drum; 302. a lower slide rail; 4. a flexible elastic wheel; 5. a lifting operating rod; 501. a hand wheel; 502. adjusting the screw thread; 503. a shaft end; 6. an expansion mechanism; 601. an adjusting block; 602. a slider; 603. a fixed block; 604. a connecting rod; 7. a support wheel carrier; 701. a pulley; 8. hoisting the rope.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
as shown in figures 1 to 8:
the invention provides a power equipment hoisting threading operating rod convenient for height adjustment, which comprises a lifting plate 1, a supporting plate 3, a lifting operating rod 5, an expansion mechanism 6, a supporting wheel carrier 7 and a hoisting rope 8; two sides of the lifting plate 1 are respectively connected with two telescopic cylinders 2 in a sliding way; the bottom surface of the supporting plate 3 is fixedly connected with four telescopic elastic wheels 4; the left lower end shaft of the expansion mechanism 6 is rotatably connected to the upper surface of the support plate 3 through a bearing, the left upper end shaft of the expansion mechanism 6 is rotatably connected to the lower surface of the lifting plate 1 through a bearing, and the sliding blocks 602 on the upper side and the lower side of the expansion mechanism 6 are respectively slidably connected to the upper sliding rail 103 of the lifting plate 1 and the lower sliding rail 302 of the support plate 3; the left end of the lifting operating rod 5 is rotatably connected in a hole of a fixed block 603 of the expansion mechanism 6, and a right shaft of the lifting operating rod 5 is connected with an adjusting block 601 through threads; two ends of the supporting wheel frame 7 are rotatably connected between the convex strips 102 at two sides of the lifting plate 1 through bearings, and the supporting wheel frame 7 is rotatably connected at the left end and the right end of the lifting plate 1 in two positions; one end of the hoisting rope 8 is fixedly connected to the threading plate 201 on the inner side of the telescopic cylinder 2, and the line body of the hoisting rope 8 passes through the threading plate 201 of the telescopic cylinder 2 on the other side; the hoisting ropes 8 are movably connected on the supporting wheel carrier 7, and the number of the hoisting ropes 8 is two.
The lifting plate 1 with the structure is shown in fig. 4, the sliding grooves 101 and the side convex strips 102 of the lifting plate 1 can enable the telescopic cylinder 2 to slide on the side surface of the lifting plate 1, and the telescopic cylinder 2 can be guided to move.
Wherein, two ends of the inner side of the lower surface of the telescopic cylinder 2 are respectively provided with a threading plate 201, the upper side of the outer end of the telescopic cylinder 2 is fixedly connected with a positioning folding plate 202, the section of the positioning folding plate 202 is in an L-shaped structure, the inner side of the telescopic cylinder 2 is also provided with a guide chute 203, the telescopic cylinder 2 with the structure is shown in figure 7, the telescopic cylinder 2 has four parts, the four parts are all connected on the side surface of the lifting plate 1 in a sliding way, each side is connected with two parts in a sliding way, one end of the positioning folding plate 202 faces to the outer side, the threading plate 201 is provided with two threading holes 2011 with round hole structures, when in assembly, one end of the hoisting rope 8 is fixedly connected on the threading hole 2011 of one of the inner sides, then the hoisting rope 8 passes through the two threading plates 201 of the other telescopic cylinder 2 at the same side, each hoisting rope 8 is connected with the two telescopic cylinders 2, when the hoisting rope 8 is subjected to the outer side, the two, the concrete tower drum of the cylindrical structure is clamped under the action of the positioning flaps 202.
Wherein, both sides all are connected with side cylinder 301 through the support rotation around the lower surface of backup pad 3, and the upper surface of backup pad 3 has two lower slide rails 302 through welded connection to two rectangle recesses have all been seted up to the medial surface of two lower slide rails 302, and backup pad 3 of this structure is as shown in fig. 1, and the lower surface of backup pad 3 is equipped with side cylinder 301, makes this lifting device adjustable angle in a concrete cylinder.
Wherein, the right end of the lifting operation rod 5 is fixedly connected with a hand wheel 501, the right side of the shaft of the lifting operation rod 5 is provided with an adjusting thread 502, and the left shaft end 503 of the lifting operation rod 5 is designed in a stepped shaft structure, the lifting operation rod 5 of the structure is shown in fig. 6, the expansion mechanism 6 further comprises an adjusting block 601, a fixed block 603, a four-position slide block 602 and a connecting rod 604, the fixed block 603 is fixedly connected in the middle of the lower shaft at the left side of the connecting rod 604, the middle of the fixed block 603 is provided with a round hole, the middle of the adjusting block 601 is provided with a threaded hole, the two ends of the shaft of the adjusting block 601 are provided with slide blocks 602, the middle positions of the four connecting rods 604 are movably connected through a hinge shaft, the expansion mechanism 6 of the structure is shown in fig. 6, when the lifting operation rod 5 is rotated by hand, the adjusting block 601 below the expansion mechanism, meanwhile, the sliding block 602 moves towards the fixing block 603, so that the height of the expansion mechanism 6 can be increased, the expansion mechanism can be used for adjusting the height after the structure is moved into the concrete cylinder, the equipment is fixed in the concrete cylinder, and the expansion mechanism is convenient to hoist and is more stable without oscillation.
Wherein, two ends of the supporting wheel frame 7 are respectively fixedly connected with a pulley 701, the supporting wheel frame 7 with the structure is as shown in fig. 3, the hoisting rope 8 winds the pulley 701 on the supporting wheel frame 7 and then is hung on the hoisting equipment above, the hoisting rope 8 is hoisted by the hoisting equipment, and the pulley 701 plays a role in changing the tension direction of the hoisting rope 8.
When in use: firstly, a concrete cylinder is horizontally swung, the device is moved into the cylinder from one end of the concrete cylinder, hoisting ropes 8 on two sides are respectively led out from two ends of the cylinder, then a lifting operating rod 5 is rotated, an adjusting block 601 below an expansion mechanism 6 is moved inwards through a screw transmission principle, a fixed block 603 is fixed, a sliding block 602 is moved towards the direction of the fixed block 603, therefore, the height of the expansion mechanism 6 can be increased, the device can be used for moving the structure into the concrete cylinder, then height adjustment is carried out, the device is fixed in the concrete tower cylinder, the hoisting ropes 8 on two sides are more stable during hoisting, the hoisting ropes 8 on two sides are hung on a hook of the hoisting device, when the hoisting device is lifted, the hoisting ropes 8 are pulled, each hoisting rope 8 is connected with two telescopic cylinders 2 inside, when the hoisting ropes 8 are subjected to external tension, the two telescopic cylinders 2 on the same side are simultaneously tensioned inwards, the concrete tower barrel of the cylindrical structure is clamped under the action of the positioning folded plate 202, so that the hoisting is further firm, the equipment uses the rope to match with the clamping block and the internal transmission mechanism, the conversion of clamping force is realized by utilizing self gravity, the concrete tower barrel is pressed more balanced when hoisting is carried out, and the probability of damage caused by stress concentration due to uneven stress during hoisting is reduced.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (8)
1. The utility model provides a convenient height-adjusting's power equipment hoist and mount threading action bars which characterized in that: comprises a lifting plate (1), a supporting plate (3), a lifting operating rod (5), an expansion mechanism (6), a supporting wheel carrier (7) and a hoisting rope (8); two sides of the lifting plate (1) are respectively connected with two telescopic cylinders (2) in a sliding manner; the bottom surface of the supporting plate (3) is fixedly connected with four telescopic elastic wheels (4); the left lower end shaft of the expansion mechanism (6) is rotatably connected to the upper surface of the support plate (3) through a bearing, the left upper end shaft of the expansion mechanism (6) is rotatably connected to the lower surface of the lifting plate (1) through a bearing, and the sliding blocks (602) on the upper side and the lower side of the expansion mechanism (6) are respectively and slidably connected into the upper sliding rail (103) of the lifting plate (1) and the lower sliding rail (302) of the support plate (3); the left end of the lifting operating rod (5) is rotatably connected in a hole of a fixed block (603) of the expansion mechanism (6), and a right shaft of the lifting operating rod (5) is connected with an adjusting block (601) through threads; two ends of the supporting wheel carrier (7) are rotatably connected between the convex strips (102) at two sides of the lifting plate (1) through bearings, and the supporting wheel carrier (7) is rotatably connected to the left end and the right end of the lifting plate (1) in two positions; one end of the hoisting rope (8) is fixedly connected to the threading plate (201) on the inner side of the telescopic cylinder (2), and the line body of the hoisting rope (8) penetrates through the threading plate (201) of the telescopic cylinder (2) on the other side; the hoisting ropes (8) are movably connected to the supporting wheel carrier (7), and the number of the hoisting ropes (8) is two.
2. The convenient height-adjusting power equipment hoisting threading operating rod of claim 1, characterized in that: the lifting plate is characterized in that sliding grooves (101) are formed in two side edges of the lifting plate (1), side protruding strips (102) with T-shaped cross sections are further arranged on the outer sides of the sliding grooves (101), two upper sliding rails (103) are connected to the lower surface of the lifting plate (1) in a welded mode, and rectangular grooves are formed in the inner sides of the upper sliding rails (103).
3. The convenient height-adjusting power equipment hoisting threading operating rod of claim 1, characterized in that: the utility model discloses a telescopic cylinder, including telescopic cylinder (2), the inboard both ends of lower surface of telescopic cylinder (2) are equipped with a threading board (201) respectively, and the outer end upside fixedly connected with of telescopic cylinder (2) is a location folded plate (202), and the cross-section of location folded plate (202) is L shape structure, and direction spout (203) have still been seted up to telescopic cylinder's (2) inboard.
4. The electrical equipment hoisting threading operating rod convenient for height adjustment of claim 3, wherein: the threading plate (201) is provided with two threading holes (2011) with round hole structures.
5. The convenient height-adjusting power equipment hoisting threading operating rod of claim 1, characterized in that: both sides all are connected with side cylinder (301) through the support rotation around the lower surface of backup pad (3), and the upper surface of backup pad (3) has two lower slide rails (302) through welded connection to two rectangle recesses have all been seted up to the medial surface of two lower slide rails (302).
6. The convenient height-adjusting power equipment hoisting threading operating rod of claim 1, characterized in that: the right end of the lifting operation rod (5) is fixedly connected with a hand wheel (501), the right side of the shaft of the lifting operation rod (5) is provided with an adjusting thread (502), and the left shaft end (503) of the lifting operation rod (5) is designed to be of a stepped shaft structure.
7. The convenient height-adjusting power equipment hoisting threading operating rod of claim 1, characterized in that: expanding mechanism (6) are still including regulating block (601), fixed block (603), four places slider (602) and connecting rod (604), and fixed block (603) fixed connection has seted up a round hole in the middle of the left side below axle of connecting rod (604), and threaded hole has been seted up to the centre of fixed block (603), and the axle both ends of regulating block (601) are equipped with slider (602), and articulated shaft swing joint is passed through to the intermediate position of four places connecting rod (604).
8. The convenient height-adjusting power equipment hoisting threading operating rod of claim 1, characterized in that: two ends of the supporting wheel frame (7) are respectively and fixedly connected with a pulley (701).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110030721.7A CN112875488A (en) | 2021-01-11 | 2021-01-11 | Power equipment hoisting threading operating rod convenient for height adjustment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110030721.7A CN112875488A (en) | 2021-01-11 | 2021-01-11 | Power equipment hoisting threading operating rod convenient for height adjustment |
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| Publication Number | Publication Date |
|---|---|
| CN112875488A true CN112875488A (en) | 2021-06-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110030721.7A Withdrawn CN112875488A (en) | 2021-01-11 | 2021-01-11 | Power equipment hoisting threading operating rod convenient for height adjustment |
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| CN (1) | CN112875488A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117486070A (en) * | 2023-12-18 | 2024-02-02 | 中交一公局集团有限公司 | Track traffic prefabricated square culvert carrying device |
-
2021
- 2021-01-11 CN CN202110030721.7A patent/CN112875488A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117486070A (en) * | 2023-12-18 | 2024-02-02 | 中交一公局集团有限公司 | Track traffic prefabricated square culvert carrying device |
| CN117486070B (en) * | 2023-12-18 | 2024-04-19 | 中交一公局集团有限公司 | Track traffic prefabricated square culvert carrying device |
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Application publication date: 20210601 |
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