High-voltage line lifter

Abstract

The utility model relates to a high-voltage wire lifter, which comprises an upper connecting plate, a lower fixing plate, a pull rod mechanism, a manual power mechanism and a fixing nut, the pull rod mechanism comprises two pull rods arranged in parallel, and the two pull rods sequentially penetrate through the two ends of the upper connecting plate and the two ends of the lower fixing plate from top to bottom. The two pull rods are fixed through fixing nuts arranged on the upper surface and the lower surface of the upper connecting plate respectively. A manual power mechanism is mounted in an enclosed area of the two pull rods, the upper connecting plate and the lower fixing plate and above the upper connecting plate; the manual power mechanism comprises a manual pump and an oil cylinder; the manual pump is adopted to control the oil cylinder to lift the pull rod mechanism, so that the oil cylinder pushes the lifting hook of the pull rod mechanism to lift the high-voltage line; compared with a traditional manual lifting mode, the lifting device is more convenient and easy to operate, labor is saved, and working efficiency is improved; and meanwhile, the safety is high, and the practicability is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of auxiliary equipment for high-altitude cable maintenance and installation, specifically to a kind of high-voltage line lifter, belong to high-altitude operation maintenance technical field. BACKGROUND

[0002] High-altitude cable high-voltage line needs to be assisted by relevant equipment when installing or malfunctioning. When repairing, high-voltage line needs to be lifted upward from cable installation reference position, so a kind of high-voltage line lifter is needed.

[0003] High-voltage line lifter is a kind of device powered by hydraulic cylinder, mainly used for high-altitude high-voltage line repair and installation. The traditional way is manual operation, which is time-consuming and unsafe, and the work efficiency is low. UTILITY MODEL CONTENT

[0004] In view of the low work efficiency and safety problems of the above-mentioned traditional manual method for high-altitude cable maintenance, the utility model aims to provide a kind of high-voltage line lifter, which is lifted by adopting hand pump to control oil cylinder to pull rod mechanism, so as to push pull rod mechanism to lift high-voltage line by oil cylinder; save time and improve work efficiency.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a kind of high-voltage line lifter, comprising: upper connecting plate, lower fixed plate, pull rod mechanism, hand power mechanism and fixed nut;The pull rod mechanism includes two mutually parallel pull rods, the two pull rods pass through the two end position of upper connecting plate and lower fixed plate from top to bottom, and the lower end of the two pull rods is connected with a lifting hook respectively;The two pull rods are fixed by fixed nut arranged on the upper surface and lower surface of upper connecting plate;Two pull rods and the enclosing area of upper connecting plate and lower fixed plate and the upper of upper connecting plate are installed with hand power mechanism;The hand power mechanism includes hand pump and oil cylinder, and the oil cylinder is located in the enclosing area of two pull rods and upper connecting plate and lower fixed plate and is connected with upper connecting plate and lower fixed plate;Hand pump is connected with oil cylinder oil port through rubber tube, and provides lifting or descending power for the pull rod of pull rod mechanism;

[0006] Further, the lifter is fixedly connected to the on-site fixed frame through the lower fixed plate, the bottom of the lower fixed plate is provided with a nut, the on-site fixed frame is provided with a screw rod, the lower fixed plate is fixed on the on-site fixed frame by screwing the screw rod into the nut, and the on-site fixed frame is located above the cable installation reference position;The lifting hooks of the two pull rods of the pull rod mechanism of the lifter need to lift the high-voltage line upward from the cable installation reference position;

[0007] Further, the two pull rods and the lower fixed plate are connected by sliding sleeve, so that the pull rod can slide up and down relative to the lower fixed plate.

[0008] Further, the manual pump is arranged above the upper connecting plate through a top mounting plate, lower bottom surfaces of two ends of the top mounting plate are fixedly connected with upper end surface of the two pull rods, and the manual pump is fixedly connected with the upper surface of the top mounting plate;

[0009] Further, the manual pump comprises a pump body, a handle and a pressure gauge, an oil cavity is arranged in the pump body, two oil holes are arranged on the oil cavity, and a rubber tube is connected with an oil port of the oil cylinder through the oil hole of the oil cavity, so as to provide oil pressure for the oil cylinder;

[0010] Further, the manual pump is FL-2S.

[0011] Further, the oil cylinder comprises a cylinder body and a piston rod arranged in the cylinder body, oil port connectors are arranged on the upper and lower outer walls of the same side of the cylinder body, the upper oil port connector is communicated with the rod cavity of the oil cylinder, the upper oil port connector is connected with one oil hole of the oil cavity of the manual pump through a first rubber tube, the lower oil port connector is communicated with the rodless cavity of the oil cylinder, and the lower oil port connector is connected with the other oil hole of the oil cavity of the manual pump through a second rubber tube.

[0012] Further, the piston rod of the oil cylinder is fixedly connected with the upper connecting plate, and the cylinder body of the oil cylinder is fixedly connected with the lower fixed plate.

[0013] Further, the stroke of the oil cylinder is 150 mm.

[0014] When the lifter needs to lift the high-voltage line after the initial installation is completed, the handle of the manual pump is operated, the oil in the oil cavity of the manual pump enters the rodless cavity of the oil cylinder through the second rubber tube, the piston rod in the cylinder body of the oil cylinder is pushed upward by the oil pressure, so that the piston rod moves upward, the upper connecting plate and the two pull rods move upward, and then the pull rod is lifted upward through the hook of the lower part of the pull rod; when the lifter needs to descend to the initial position after the cable lifting is completed, the handle of the manual pump is operated, the oil in the oil cavity of the manual pump enters the rod cavity of the oil cylinder through the first rubber tube, the piston rod in the cylinder body of the oil cylinder is pushed downward by the oil pressure, so that the piston rod moves downward, the upper connecting plate and the two pull rods move downward, and then the pull rod is lowered to return to the initial installation state, that is, the hook of the pull rod returns to the cable installation reference position.

[0015] The operation process of the initial installation state of the above-mentioned lifter is as follows,

[0016] The lifter needs to be put on the field fixing frame above the cable installation datum, and the lower fixing plate is fixed with the field fixing frame; at this time, the two fixing nuts on the upper connecting plate are loosened, and the two pull rods can be freely moved up and down; the installation size of the whole lifter is adjusted, and the installation size is adjusted to the maximum distance 305mm of the lower fixing plate to the cable installation datum; after installation is fixed, the upper connecting plate is tightened and fixed through the fixing nuts, the initial installation operation is completed, and the oil cylinder can be controlled through the operation of the hand pump, and the pull rod is pushed by the oil cylinder to lift the high-voltage line.

[0017] The beneficial effects of the high-voltage line lifter of the utility model are:

[0018] The pull rod mechanism is lifted through the hand pump control oil cylinder, so that the hook of the pull rod mechanism is lifted by the oil cylinder; compared with the traditional manual lifting mode, it is more convenient, easy to operate, saves manual labor, and improves work efficiency; at the same time, it has high safety and strong practicability. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a structural diagram (initial installation state) of the utility model.

[0020] Figure 2 It is a working state schematic view of the lifter of the utility model.

[0021] In the drawing, 1, upper connecting plate, 2, lower fixing plate, 3, pull rod, 4, hook, 5, fixing nut, 6, two pull rods and the enclosed area of the upper connecting plate and the lower fixing plate, 7, hand pump, 8, oil cylinder, 9, field fixing frame, 10, nut, 11, cable installation datum, 12, sliding sleeve, 13, top mounting plate, 7.1, handle, 8.1, cylinder body, 8.2, piston rod, 8.1.1, upper oil port connector, 14, first rubber pipe, 8.1.2, lower oil port connector, 15, second rubber pipe. DETAILED DESCRIPTION

[0022] In order to make the above-mentioned purposes, features and advantages of the utility model more obvious and easy to understand, the specific embodiments of the utility model will be described in detail below. In the following description, a lot of specific details are set forth in order to fully understand the utility model. However, the utility model can be implemented in many other ways different from the description, and those skilled in the art can make similar improvements without departing from the connotation of the utility model, so the utility model is not limited by the following disclosed specific embodiments.

[0023] As Figure 1 , 2The high-voltage line lifter shown comprises an upper connecting plate 1, a lower fixed plate 2, a pull rod mechanism, a manual power mechanism and a fixed nut 5. The pull rod mechanism comprises two mutually parallel pull rods 3, which pass through the upper connecting plate 1 and the two end portions of the lower fixed plate 2 from top to bottom, and the lower ends of the two pull rods 3 are respectively connected with hooks 4. The two pull rods 3 are fixed through the fixed nuts 5 arranged on the upper surface and the lower surface of the upper connecting plate 1. The manual power mechanism is installed above the enclosed area 6 of the two pull rods 3, the upper connecting plate and the lower fixed plate and above the upper connecting plate 1. The manual power mechanism comprises a manual pump 7 and an oil cylinder 8, the oil cylinder 8 is located in the enclosed area 6 of the two pull rods 3, the upper connecting plate and the lower fixed plate and is connected with the upper connecting plate 1 and the lower fixed plate 2. The manual pump 7 is connected with the oil port of the oil cylinder 8 through a rubber pipe, and provides power for the pull rod 3 of the pull rod mechanism to lift or lower;

[0024] The lifter is fixedly connected with a field fixed frame 9 through the lower fixed plate 2. The bottom of the lower fixed plate 2 is provided with a nut 10, and the field fixed frame 9 is provided with a screw rod. The lower fixed plate 2 is fixed on the field fixed frame 9 by being penetrated into the nut 10 through the screw rod. The field fixed frame 9 is located above the cable installation reference 11. The hooks 4 of the two pull rods 3 of the lifter pull rod mechanism need to lift the high-voltage line upward from the cable installation reference 11.

[0025] The two pull rods 3 and the lower fixed plate 2 are connected through a sliding sleeve 12, so that the pull rod 3 can slide up and down relative to the lower fixed plate 2.

[0026] The manual pump 7 is arranged above the upper connecting plate 1 through a top mounting plate 13. The lower bottom surfaces of the two ends of the top mounting plate 13 are fixedly connected with the upper end surfaces of the two pull rods 3. The manual pump 7 is fixedly connected with the upper surface of the top mounting plate 13.

[0027] The manual pump 7 comprises a pump body, a handle 7.1 and a pressure gauge. An oil cavity is arranged in the pump body. Two oil holes are arranged on the oil cavity. A rubber pipe is connected with the oil port of the oil cylinder 8 through the oil hole of the oil cavity, so as to provide oil pressure for the oil cylinder 8.

[0028] The model of the manual pump is FL-2S.

[0029] The oil cylinder 8 comprises a cylinder body 8.1 and a piston rod 8.2 arranged in the cylinder body 8.1. An oil port connector is arranged on the upper side and the lower side of the outer wall of the same side of the cylinder body 8.1. The upper oil port connector 8.1.1 is communicated with the rod cavity of the oil cylinder 8. The upper oil port connector 8.1.1 is connected with one oil hole of the oil cavity of the manual pump 7 through a first rubber pipe 14. The lower oil port connector 8.1.2 is communicated with the rodless cavity of the oil cylinder 8. The lower oil port connector 8.1.2 is connected with the other oil hole of the oil cavity of the manual pump 7 through a second rubber pipe 15.

[0030] The piston rod 8.2 rod head of the oil cylinder 8 is fixedly connected to the upper connecting plate 1, and the oil cylinder cylinder body 8.1 end is fixedly connected to the lower fixed plate 2.

[0031] The stroke of the oil cylinder 8 is set to 150 mm.

[0032] The fixed nut 5 arranged on the upper surface of the upper connecting plate 1 is used to fix the pull rod 3 in position after adjusting the installation size when the lifter is initially installed, and plays a fastening role; and the fixed nut 5 on the lower surface of the upper connecting plate 1 is used to limit the position of the upper connecting plate 1 on the pull rod 3.

[0033] When the lifter needs to be lifted after initial installation, the handle 7.1 of the hand pump 7 is operated, so that the oil in the oil cavity of the hand pump 7 enters the rodless cavity of the oil cylinder 8 through the second rubber pipe 15, the piston rod 8.2 in the oil cylinder cylinder body 8.1 is pushed upward by oil pressure, so that the upward movement of the piston rod 8.2 moves the upper connecting plate 1 together with the two pull rods 3 upward, and then the pull rod 3 is lifted upward, and the hook 4 at the lower part of the pull rod 3 hooks the high-voltage line to lift it up; when the lifter needs to be lowered to the initial position after the cable is lifted, the handle 7.1 of the hand pump 7 is operated, so that the oil in the oil cavity of the hand pump 7 enters the rod cavity of the oil cylinder 8 through the first rubber pipe 14, the piston rod 8.2 in the oil cylinder cylinder body 8.1 is retracted downward by oil pressure, so that the downward movement of the piston rod 8.2 moves the upper connecting plate 1 together with the two pull rods 3 downward, and then the pull rod 3 is lowered to return to the initial installation state, that is, the hook 4 of the pull rod 3 returns to the cable installation reference 11 position.

[0034] The operation process of the initial installation state of the above-mentioned lifter is as follows,

[0035] The lifter needs to be placed on the field fixing frame 9 above the cable installation reference 11, and the lower fixed plate 2 is fixed to the field fixing frame 9; at this time, the two fixed nuts 5 on the upper connecting plate 1 are loosened, and the two pull rods 3 can move freely up and down; the installation size of the entire lifter is adjusted, and the installation size is adjusted to the maximum distance 305 mm from the lower fixed plate 2 to the cable installation reference 11; after installation is fixed, the upper connecting plate 1 is tightened and fixed by the fixed nut 5, and the initial installation operation is completed, so that the oil cylinder 8 can be controlled by operating the hand pump 7, and the pull rod 3 is pushed by the oil cylinder 8 to lift the high-voltage line;

[0036] It should be noted that in the initial installation state of the above-mentioned lifter, the minimum installation limit is that the stroke of the oil cylinder 8 is at least greater than zero, and the maximum installation limit is that the stroke of the oil cylinder 8 is 150 mm; and in the working state of the pull rod 3 being lifted, the lifting distance can be at any position within the range of 150 mm stroke, and the lifting distance of the two pull rods 3 is less than or equal to the stroke of the oil cylinder 8.

[0037] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as limiting the utility model indicated or implied by the device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.

[0038] In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" can explicitly or implicitly include at least one of the features. In the description of the utility model, the meaning of "multiple" is at least two, for example, two, three, etc., unless otherwise specifically limited.

[0039] In the utility model, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection", "fixing" and other terms should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship of two elements, unless otherwise specifically limited. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0040] In the utility model, unless otherwise specifically defined and limited, the first feature is "on" or "under" the second feature. The first and second features can be in direct contact, or the first and second features can be indirectly contacted through an intermediate medium. Moreover, the first feature "above", "above" and "above" of the second feature can be directly above or obliquely above the first feature, or only indicate that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" of the second feature can be directly below or obliquely below the first feature, or only indicate that the horizontal height of the first feature is less than that of the second feature.

[0041] It is to be understood that the terms "including", "comprising", "incorporating", "having" or "containing" or the like are used inclusively and are not exclusionary or open ended. For example, a composition, process or method that includes (or includes the presence of) elements A, B and C can also include (or include the presence of) one or more additional elements or steps, whether or not specifically listed. A description utilizing terms such as "comprising" or "containing" to describe a combination shall also be applicable to elements or steps of for example, "consisting of" or "consisting essentially of".

Claims

1. A high-voltage line booster, characterized in that, include: The system comprises an upper connecting plate, a lower fixed plate, a pull rod mechanism, a manual power mechanism, and a fixing nut. The pull rod mechanism includes two parallel pull rods that pass through the ends of the upper connecting plate and the lower fixed plate from top to bottom. Hooks are connected to the lower ends of the two pull rods. The two pull rods are fixed by fixing nuts on the upper and lower surfaces of the upper connecting plate, respectively. A manual power mechanism is installed in the area enclosed by the two pull rods, the upper connecting plate, and the lower fixed plate, and above the upper connecting plate. The manual power mechanism includes a manual pump and a hydraulic cylinder. The hydraulic cylinder is located within the area enclosed by the two pull rods, the upper connecting plate, and the lower fixed plate, and is connected to the upper connecting plate and the lower fixed plate. The manual pump is connected to the hydraulic cylinder's oil port via a hose.

2. A high-voltage line booster according to claim 1, characterized in that: The lifting device is fixedly connected to the field fixing frame via a lower fixing plate. The bottom of the lower fixing plate is provided with a nut, and a screw is installed on the field fixing frame. The lower fixing plate is fixed to the field fixing frame by the screw passing through the nut. The field fixing frame is located above the cable installation reference position.

3. A high-voltage line booster according to claim 1, characterized in that, Its features are: The two tie rods are slidably connected to the lower fixed plate using a sliding sleeve.

4. A high-voltage line booster according to claim 1, characterized in that: The manual pump is mounted above the upper connecting plate via a top mounting plate. The bottom surfaces of both ends of the top mounting plate are fixedly connected to the upper surfaces of the two pull rods, and the manual pump is fixedly connected to the upper surface of the top mounting plate.

5. A high-voltage line booster according to claim 1, characterized in that: The manual pump includes a pump body, a handle, and a pressure gauge; the pump body has an oil chamber with two oil holes, and a rubber hose is led out through the oil holes of the oil chamber and connected to the oil port of the oil cylinder.

6. A high-voltage line booster according to claim 5, characterized in that, Its features are: The hydraulic cylinder includes: a cylinder body and a piston rod located inside the cylinder body; oil port connectors are respectively provided on the upper and lower sides of the outer wall on the same side of the cylinder body; the upper oil port connector communicates with the rod chamber of the hydraulic cylinder and is connected to an oil hole in the manual pump oil chamber through a first rubber tube; the lower oil port connector communicates with the rodless chamber of the hydraulic cylinder and is connected to another oil hole in the manual pump oil chamber through a second rubber tube.

7. A high-voltage line booster according to claim 6, characterized in that: The piston rod head of the hydraulic cylinder is fixedly connected to the upper connecting plate, and the cylinder body end is fixedly connected to the lower fixing plate.

8. A high-voltage line booster according to claim 6, characterized in that, Its features are: The cylinder stroke is set to 150mm.

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