Integrated mechanical pulley capable of being used for mechanical construction of tension stringing
By designing an integrated mechanical trolley, the problem of traction board jamming is solved by spraying lubricating oil and using a clamping device, which improves the efficiency and safety of tension stringing mechanized construction and reduces the time for tower maintenance.
Patent Information
- Application Number
- CN202520005223.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-02
- Publication Date
- 2025-12-23
- Estimated Expiration
- 2035-01-02
AI Technical Summary
In existing mechanized tension line construction, the traction guide plate is prone to jamming when passing through the pulley, which poses a significant safety hazard to workers who have to climb the tower for maintenance work for extended periods of time.
Design an integrated mechanical trolley comprising symmetrical metal plates, pulleys, a spraying device, and a clamping device, connected by a bolt mechanism. The spraying device sprays lubricating oil into the trolley, and the clamping device allows for clamping operations without climbing the tower in case of a plate jamming accident.
It effectively reduces the frictional resistance when the traction plate passes through the pulley, prevents plate jamming accidents, improves construction efficiency and safety, and reduces the time for manual tower maintenance.
Smart Images
Figure CN223713431U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to power system facility equipment technical field especially relates to overhead transmission line tension stringing mechanized construction equipment, concretely relates to a kind of integrated type mechanical tackle for tension stringing mechanized construction. BACKGROUND
[0002] In the tension stringing process construction, traction machine is needed to be used multiple times to pull traction board and conductor through tackle. However, the tension of existing traction machine is generally difficult to adjust, and the angle of traction board passing through the tackle is usually negative, which leads to the problem that traction board and tackle are easily stuck in the above construction process. If traction board and tackle are stuck, the construction personnel need to carry repair tools to work on the tower at this time, separate traction board and tackle by manual operation, and use traction machine to pull traction board and conductor through tackle for subsequent operation. According to existing research, the time used for repairing the stuck traction board passing through the tackle accounts for nearly 10% of the total time of existing stringing mechanized construction. In addition, long-term and multiple construction personnel maintenance work on the tower has a high degree of safety hazard. Therefore, an integrated mechanical tackle is needed to improve the efficiency and safety of tension stringing mechanized construction.
[0003] To solve the problem that traction board passing through the tackle is easily stuck in the tension stringing mechanized construction process, an integrated mechanical tackle for tension stringing mechanized construction is designed, which is suitable for multiple scenes of tension stringing mechanized construction, effectively avoids various dangers caused by manual work on the tower, and greatly reduces the time required for manual work on the tower. SUMMARY
[0004] The utility model aims at solving the problem that traction board passing through the tackle is easily stuck in the existing tension stringing mechanized construction process, which leads to a high degree of safety hazard in long-term and multiple construction personnel maintenance work on the tower, and proposes an integrated mechanical tackle for tension stringing mechanized construction.
[0005] To solve the above technical problems, the technical solution adopted by the present application is as follows:
[0006] An integrated mechanical tackle for tension stringing mechanized construction includes two metal plates arranged symmetrically left and right, and the upper and lower ends of the two metal plates are connected to a cantilever and a pulley through a bolt mechanism. A spraying device is arranged on the outside of the metal plate on one side, and a clamping device is arranged on the outside of the metal plate on the other side.
[0007] The space for the conductor and traction board to pass through is formed between the two metal plates, the cantilever and the pulley. One end of the conductor is connected to the traction part of the traction machine, and the other end is connected to the connecting part of the traction board.
[0008] The metal plate is a triangular aluminum alloy plate, and the two sides of the lower ends of the two triangular aluminum alloy plates and between the two triangular aluminum alloy plates are connected with the two pulleys through bolt mechanisms respectively.
[0009] As shown in Figure 4 , Figure 5 , the spraying device comprises a steel arm rod, an oil storage tank and a spraying faucet. The steel arm rod is connected with the rotating part of the rotating base through a large rotating shaft at one end, the fixed part of the rotating base is fixedly connected with the outer side of the metal plate, and the steel arm rod is connected with the shell of the oil storage tank through a small rotating shaft at the other end.
[0010] The lubricating oil stored in the oil storage tank can be sprayed outwards through the spraying faucet.
[0011] The clamping device comprises a No. 1 arm segment, a No. 2 arm segment and a No. 3 arm segment. The No. 1 arm segment is connected with the rotating part of the rotating base at the connecting part, and the fixed part of the rotating base is fixedly connected with the outer side of the metal plate. The No. 1 arm segment and the No. 2 arm segment are connected through a connector, and the No. 2 arm segment and the No. 3 arm segment are connected through a connector. The front end of the No. 3 arm segment is connected with the connecting part of the pincer clamping head, and the front end of the pincer clamping head is a clamping head.
[0012] As shown in Figure 3 , the front end of the pincer clamping head is a sawtooth-shaped clamping front end, and outer protection plates are arranged on the two sides of the movable part of the pincer clamping head.
[0013] As shown in Figure 6 , the connector comprises a U-shaped connecting piece, and a rotating shaft is arranged at the opening of the U-shaped connecting piece. The rotating shaft is driven to rotate by a small driving motor.
[0014] The connector is divided into a first connector and a second connector. The first connector is arranged between the No. 1 arm segment and the No. 2 arm segment, and the second connector is arranged between the No. 2 arm segment and the No. 3 arm segment. Small driving motors are arranged in the No. 1 arm segment and the No. 2 arm segment. The rotating shafts of the small driving motors are connected with the rotating shafts so as to drive the rotating shafts to rotate.
[0015] Compared with the prior art, the present application has the following technical effects:
[0016] 1) The present application is provided with two symmetrical pulleys, and the outer sides of the two pulleys are connected through aluminum alloy plates and anti-loose bolts and nuts. The overall weight is increased, the connection structure is more stable, the shaking caused by the unbalanced tension of the pulley when the plate is pulled can be effectively reduced, and even the occurrence of tilting can be avoided.
[0017] 2) The utility model discloses a two aluminum alloy plates, and the full-space position of the spraying device can be adjusted through the rotation of the rotary base on one side of the aluminum alloy plate, which facilitates spraying lubricating oil into the inside of the pulley when the traction walk plate passes through the pulley, lubricates the pulley part of the pulley, reduces the frictional resistance when the traction walk plate passes through the pulley, and effectively prevents the occurrence of the plate jamming accident.
[0018] 3) The utility model discloses a clamping device for controlling the pulley, and specifically, when the traction walk plate passes through the pulley, if the plate jamming accident has occurred, the clamping device can clamp the plate under the premise that the person does not need to work on the tower, effectively solves the plate jamming accident. BRIEF DESCRIPTION OF DRAWINGS
[0019] The utility model will be further described below in combination with the drawings and embodiments:
[0020] Figure 1 It is the whole structure schematic diagram of the utility model;
[0021] Figure 2 It is the front view of the utility model;
[0022] Figure 3 It is the structure schematic diagram of the clamp in the utility model;
[0023] Figure 4 It is the contraction schematic diagram of the oil injection device in the utility model;
[0024] Figure 5 It is the extension schematic diagram of the oil injection device in the utility model
[0025] Figure 6 It is the structure schematic diagram of the connector in the utility model;
[0026] Figure 7 It is the whole working state schematic diagram of the utility model. DETAILED DESCRIPTION
[0027] An integrated mechanical pulley for tensioning and stringing mechanical construction, comprising left and right symmetrical metal plates, the two metal plates are connected with cantilever 10 and pulley 1 through bolt mechanism at upper end and lower end respectively; the outside of the metal plate on one side is provided with a spraying device, and the outside of the metal plate on the other side is provided with a clamping device.
[0028] The space for wire 5 and traction walk plate 14 passing through is formed between the two metal plates, cantilever 10 and pulley 1, one end of wire 5 is used for connecting with the traction part of the tensioning machine, and the other end is used for connecting with the connecting part of traction walk plate 14.
[0029] The metal plate is a triangular aluminum alloy plate 8, two sides of lower ends of the two triangular aluminum alloy plates 8 and between the two triangular aluminum alloy plates 8 are connected with two pulleys through bolt mechanisms respectively, the bolt mechanisms include anti-loose bolts and nuts 2.
[0030] As shown in Figure 4 , Figure 5 , the spraying device includes a steel arm rod 13, an oil storage tank 3 and a spraying faucet 4; the steel arm rod 13 is connected with a rotating part of a rotating base 9 through a large rotating shaft 12 at one end, a fixed part of the rotating base 9 is fixedly connected with the outer side of the metal plate, the steel arm rod 13 is connected with an outer shell of the oil storage tank 3 through a small rotating shaft 11 at the other end, and an oil outlet of the oil storage tank 3 is connected with the spraying faucet 4.
[0031] The lubricating oil stored in the oil storage tank 3 can be sprayed outwards through the spraying faucet 4.
[0032] The clamping device includes a No. 1 arm segment 17, a No. 2 arm segment 16 and a No. 3 arm segment 18; the No. 1 arm segment 17 is connected with the rotating part of the rotating base at a connecting part, and the fixed part of the rotating base is fixedly connected with the outer side of the metal plate; the No. 1 arm segment 17 and the No. 2 arm segment 16 are connected through a connector 7, and the No. 2 arm segment 16 and the No. 3 arm segment 18 are connected through the connector 7; a front end of the No. 3 arm segment 18 is connected with a connecting part of a pincer clamping head 6, and the front end of the pincer clamping head 6 is a clamping head.
[0033] As shown in Figure 3 , the front end of the pincer clamping head 6 is a sawtooth-shaped clamping front end 61, and outer protection plates 62 are arranged on both sides of a movable part of the pincer clamping head 6.
[0034] As shown in Figure 6 , the connector 7 includes a U-shaped connecting piece 71, and a rotating shaft 72 is arranged at an opening of the U-shaped connecting piece 71, and the rotating shaft 72 is driven to rotate by a small driving motor.
[0035] The connector 7 is divided into a first connector and a second connector, the first connector is arranged between the No. 1 arm segment 17 and the No. 2 arm segment 16, and the second connector is arranged between the No. 2 arm segment 16 and the No. 3 arm segment 18; a small driving motor is arranged in the No. 1 arm segment 17 and the No. 2 arm segment 16, a rotating shaft of the small driving motor is connected with the rotating shaft 72 so as to drive the rotating shaft to rotate.
[0036] Embodiment:
[0037] In the embodiment, an integrated mechanical trolley for tensioned wire mechanical construction includes a pulley, an anti-loose bolt nut, an aluminum alloy plate, a rotating base, a cantilever;
[0038] In Figure 1 and Figure 2In the middle, the pulley has two, two are ordinary single groove pulley structure, but the actual engineering can be appropriately increased, increased to double groove pulley structure, three groove pulley structure can be increased; the anti-loose bolt nut 2 has 3 groups in all, wherein the nut is mainly selected to adopt the full metal locking nut with 304 stainless steel, and the bolt is mainly selected to adopt the outer hexagonal M16 bolt with SS400 carbon steel.
[0039] Since the main operation scene of the utility model is located in high altitude, it is very easy to be affected by strong wind. Therefore, the anti-loose bolt nut has good anti-loose function, can be used in high altitude for a long time, and avoids the influence of strong wind; the aluminum alloy plate adopted by the utility model has 2 pieces, which are located on the double sides of the pulley. The aluminum alloy plate is fixedly connected with the pulley through 3 groups of anti-loose bolt nuts, increases the weight of the whole pulley, and can also ensure that the gravity center of the pulley is located in the balance center, so as to prevent the pulley from tilting when the traction plate passes through the pulley at a negative angle. Among them, there is a cantilever in the middle position of the upper half of the aluminum alloy plate, the cantilever is a fixed structure, and is connected with the aluminum alloy plate through the anti-loose bolt nut; the double sides of the aluminum alloy plate are provided with a rotating base, and the rotating base can adopt an intelligent electric rotating base with a model of SREH-50-IOL. Through the rotation of the rotating base, the rotation of the spraying device and the clamping device can be realized, so as to adjust the working angle of them.
[0040] As shown in Figure 3 , the farthest segment of the clamping device is shown in Figure 3 ; the pincer clamp head of the clamping device is mainly a connecting rod cross type cylinder translation clamping structure, which includes a sawtooth clamping front end and an outer protection plate; it should be particularly noted that the design of the sawtooth clamping front end is to increase the friction between the pincered object and the pincered clamp head, so as to ensure the success rate of pincering, and the design of the outer protection plate is to prevent disasters such as rain and snow from eroding the movable part of the pincered clamp head, and to increase the service life of the pincered clamp head as much as possible.
[0041] Figure 4 and Figure 5 exhibit Figure 1 , Figure 2 exhibit the spraying device described in Figure 4 ; specifically, Figure 5The utility model discloses a schematic diagram of the working of the spraying device, and the spraying device mainly comprises an oil storage tank, a spraying faucet, a small rotating shaft, a large rotating shaft and a steel arm rod; the rotating function of the steel arm rod in the spraying device mainly depends on the torsion angle adjustment of the small rotating shaft and the large rotating shaft, the small rotating shaft and the large rotating shaft are twisted to drive the steel arm rod to rotate, and finally the spraying angle of the spraying faucet can be selected in all directions; the spraying faucet is made of brass, which can effectively prevent rust; the oil storage tank is mainly made of polyethylene material, which can be used for storing oil such as lubricating oil, and needs to be replenished in time when the oil is consumed; it should be noted that the torsion angle of the large rotating shaft can reach 180 degrees in the plane at most, and the torsion angle of the small rotating shaft can reach 270 degrees in the plane at most; the torsion power of the large rotating shaft and the small rotating shaft comes from a small driving motor in the steel arm rod.
[0042] Optionally, the small driving motor can adopt a servo stepping motor with the model MS-110ST-M05030-21P5.
[0043] From Figure 1 and Figure 2 It can be found that the clamping device mainly comprises a No. 1 arm segment, a No. 2 arm segment, a No. 3 arm segment, a connector and a clamping head; and Figure 6 The connector is shown.
[0044] In use, the utility model comprises the following steps:
[0045] Step one: assemble the integrated mechanical pulley according to the design requirements; specifically, the pulley and the aluminum alloy plate are fixedly connected through the anti-loosening bolt nut, and the clamping device and the spraying device are installed through the rotating base, so that the assembly and connection of various components are firm;
[0046] Step two: place the integrated mechanical pulley in the preset position according to the construction experience and engineering needs, mainly in the lower part of the insulator string of the overhead transmission line;
[0047] Step three: after completing the assembly and placement of the integrated mechanical pulley, start the tensioning machine and the traction machine to apply preliminary tension to the wire and the traction walking plate, so that the wire can pull the traction walking plate to pass through the integrated mechanical pulley, as shown in the schematic diagram Figure 7 .
[0048] Step four: after the traction walking plate approaches the integrated mechanical pulley, the small motor in the integrated mechanical pulley drives the spraying device to spray oil to the pulley, lubricating the pulley of the mechanical pulley, thereby reducing the frictional resistance when the traction walking plate passes through the pulley and reducing the probability of the occurrence of the clamping plate accident.
[0049] Step five: when the traction off-board and integrated mechanical pulley occur card board, by the integrated mechanical pulley inside the small motor drive clamp device, through the device of the clamp clamp head clamp traction off-board, so as to realize the function of unmanned tower operation.
Claims
1. An integrated mechanical catenary for use in mechanized tension stringing operations, characterized by, The metal plates are symmetrically arranged, and the two metal plates are connected with the cantilever (10) and the pulley (1) through bolt mechanisms at the upper end and the lower end respectively; the outer side of the metal plate on one side is provided with a spraying device, and the outer side of the metal plate on the other side is provided with a clamping device.
2. The trolley of claim 1, wherein, The space for guiding the wire (5) and the traction walk plate (14) to pass through is formed between the two metal plates, the cantilever (10) and the pulley (1), one end of the wire (5) is used for connecting with the traction part of the traction machine, and the other end is used for connecting with the connecting part of the traction walk plate (14).
3. The trolley according to claim 1 or 2, characterized in that The metal plate is a triangular aluminum alloy plate (8), and the two sides of the lower end of the two triangular aluminum alloy plates (8) and between the two triangular aluminum alloy plates (8) are connected with two pulleys through bolt mechanisms respectively, and the bolt mechanism includes a lock type bolt and nut (2).
4. The trolley according to claim 1 or 2, characterized in that The spraying device includes a steel arm rod (13), an oil storage tank (3) and a spraying faucet (4); one end of the steel arm rod (13) is connected with the rotating part of the rotating base (9) through a large rotating shaft (12), the fixed part of the rotating base (9) is fixedly connected with the outer side of the metal plate, the other end of the steel arm rod (13) is connected with the shell of the oil storage tank (3) through a small rotating shaft (11), and the oil outlet of the oil storage tank (3) is connected with the spraying faucet (4).
5. The trolley of claim 4, wherein, The lubricating oil stored in the oil storage tank (3) can be sprayed outward through the spraying faucet (4).
6. The trolley according to claim 1 or 2, characterized in that The clamping device includes a No. 1 arm segment (17), a No. 2 arm segment (16) and a No. 3 arm segment (18), the No. 1 arm segment (17) is connected with the rotating part of the rotating base at the connecting part, and the fixed part of the rotating base is fixedly connected with the outer side of the metal plate; the No. 1 arm segment (17) and the No. 2 arm segment (16) are connected through a connector (7), the No. 2 arm segment (16) and the No. 3 arm segment (18) are connected through the connector (7), the front end of the No. 3 arm segment (18) is connected with the connecting part of the pincer clamping head (6), and the front end of the pincer clamping head (6) is a clamping head.
7. The trolley of claim 6, wherein, The front end of the pincer clamping head (6) is a serrated clamping front end (61), and outer protection plates (62) are arranged on both sides of the movable part of the pincer clamping head (6).
8. The trolley of claim 6, wherein, The connector (7) includes a U-shaped connector (71), and a rotating shaft (72) is arranged at the opening of the U-shaped connector (71), and the rotating shaft (72) is driven to rotate by a small driving motor.
9. The trolley of claim 8, wherein, The connector (7) is divided into a first connector and a second connector, the first connector is arranged between the No. 1 arm segment (17) and the No. 2 arm segment (16), the second connector is arranged between the No. 2 arm segment (16) and the No. 3 arm segment (18), a small driving motor is arranged in the No. 1 arm segment (17) and the No. 2 arm segment (16), and the rotating shaft of the small driving motor is connected with the rotating shaft (72) to drive the rotating shaft to rotate.