CN218386441U - Pithead pay-off pulley device - Google Patents
Pithead pay-off pulley device Download PDFInfo
- Publication number
- CN218386441U CN218386441U CN202221246808.4U CN202221246808U CN218386441U CN 218386441 U CN218386441 U CN 218386441U CN 202221246808 U CN202221246808 U CN 202221246808U CN 218386441 U CN218386441 U CN 218386441U
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- pulley
- pithead
- frame
- rod
- pay
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- 241000269793 Cryothenia peninsulae Species 0.000 title claims abstract description 54
- 230000007246 mechanism Effects 0.000 claims abstract description 19
- 238000003780 insertion Methods 0.000 claims description 11
- 230000037431 insertion Effects 0.000 claims description 11
- 230000002146 bilateral effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 claims 1
- 238000010276 construction Methods 0.000 description 8
- 238000009434 installation Methods 0.000 description 4
- 238000005457 optimization Methods 0.000 description 4
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
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Abstract
The utility model discloses a pithead pay-off pulley device, which comprises a pulley, a beam frame, a lower hook frame, an inserted bar and a bolt; the beam frame is T-shaped in appearance and comprises a square tube at the top, and a vertical tube is fixedly connected in the middle of the lower surface of the square tube; the lower hook frame comprises a sliding rod; the lower end of the sliding rod is fixedly connected with an insert block; the slide rod is telescopically inserted into the vertical pipe to form a clamping mechanism by one beam frame and one lower groove frame, and the two clamping mechanisms are respectively fixed on two opposite side walls of the pithead; the two clamping mechanisms are connected through an inserted bar and two bolts to form a supporting frame; the number of the supporting frames is two, the two supporting frames are connected into a whole through at least two pulleys, and cables can enter and exit the pithead from the space between the two supporting frames. In a word, the utility model discloses can deal with the pithead of equidimension and degree of depth not, adaptability is good to it is dismantled and assembled, portable and storage, convenient to use.
Description
Technical Field
The utility model belongs to the technical field of the electric power construction, concretely relates to crater unwrapping wire pulley gear.
Background
When the cable is buried and laid, the pithead can be bent, and in order to prevent the cable from being scratched with the corner of the pithead, a paying-off tackle (paying-off pulley block) is usually placed at the corner of the pithead to protect the cable and facilitate laying.
In the prior art, a common paying-off tackle cannot be adjusted, various paying-off tackles need to be equipped for handling pittings of different sizes and depths during outgoing construction, the space on a construction vehicle is limited, and the carrying is inconvenient and the cost is high.
Disclosure of Invention
In order to overcome the defects in the background art, the utility model provides a pithead pay-off pulley device, which aims to cope with pitheads with different sizes and depths, and is provided with an adjustable bracket, and pulleys are arranged on the bracket, thereby improving the adaptability; in addition, the detachable design is adopted, so that the storage box can be disassembled and stored in a storage and transportation state, the space is saved, and the use is convenient.
In order to achieve the above purpose, the utility model provides a following technical scheme: a pulley device for paying off a wire at a pithead comprises a pulley, a beam frame, a lower hook frame, an inserted link and an inserted pin;
the beam frame is T-shaped in appearance and comprises a square tube at the top, and a vertical tube is fixedly connected in the middle of the lower surface of the square tube; the lower hook frame comprises an inserting block fixedly connected with the lower end of the sliding rod; the slide rod is telescopically inserted into the vertical pipe, and the beam frame and the lower groove frame form a clamping mechanism for being fixed on the side wall of a pithead for placing a cable;
the two clamping mechanisms are respectively fixed on two opposite side walls of the pithead; the two clamping mechanisms are connected through an inserted link and two bolts to form a supporting frame; two ends of the inserted rod are respectively inserted into the two square pipes in a sliding manner; the square tube and the inserted bar are respectively provided with a pin hole, and the inserted bar is inserted into the pin holes through the inserted pins to connect the inserted bar with the square tube;
the two support frames are connected into a whole through at least two pulleys and used for a cable to enter and exit the pithead from the space between the two support frames; two ends of one pulley are connected to the positions, close to the upper edge of the pithead, of the two adjacent square tubes, and are used for preventing a cable from being hung and wiped with the upper edge of the pithead when passing through the pithead; two ends of the other pulley are connected to the two adjacent insertion blocks and used for preventing the cable from being hung and wiped on the edge of the tunnel opening where the cable is placed when the cable passes through the tunnel opening.
As further optimization, the number of the pulleys is four, one pulley is connected to each two adjacent square pipes, and one pulley is connected to each two adjacent insertion blocks.
Preferably, the vertical tube is provided with a screw hole for fixing the position of the slide rod by screwing a locking bolt into the screw hole.
As a further optimization, the pin holes are multiple and are uniformly distributed on the square pipe and the inserted rod at intervals.
As further optimization, two ends of the pulley are respectively provided with a screw; the side pipe with all be equipped with on the inserted block and be used for connecting the through-hole of screw rod is used for working as the screw rod passes coupling nut behind the through-hole will pulley detachable is connected to two between the braced frame.
As a further optimization, the square tube is provided with two through holes which are distributed in a bilateral symmetry mode by taking the axis of the vertical tube as a reference.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) The adjustable type deep-hole drilling device is adjustable, can adapt to pittings of different sizes and depths, and is good in adaptability.
(2) The device is detachable, convenient to carry or store after being detached and convenient to use.
(3) The device adopts a mode that stretchers at two ends are arranged at the pithead, and compared with a pulley device hung on one side of the pithead, the structure is more stable and reliable.
(4) The pulley of this device is dismantled and assembled, just can adapt to the cable of different thicknesses through changing the pulley of equidimension not, convenient to use.
In a word, the utility model discloses can deal with the pithead of equidimension not and degree of depth, adaptability is good to it is dismantled and assembled, portable and storage, convenient to use.
Drawings
Fig. 1 is a schematic three-dimensional structure diagram of embodiment 1 of the present invention;
fig. 2 is a schematic plan view of embodiment 1 of the present invention when the pithead is in operation;
fig. 3 is a schematic plan view of embodiment 2 of the present invention when the pithead is in operation.
In the figure: the device comprises a pulley 1, a screw 11, a beam frame 2, a square tube 21, a vertical tube 22, a screw hole 23, a through hole 24, a lower hook frame 3, a sliding rod 31, an insertion block 32, an insertion rod 4, a plug pin 5, a cable 6, a pithead 7, a pit 8, a clamping mechanism 100, a supporting frame 200 and a pin hole 201.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the accompanying drawings of the present invention, and it is obvious that the described embodiments are only some of the preferred embodiments of the present invention, not all of them. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention. In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Example 1: please refer to fig. 1-2;
the embodiment provides the following technical scheme: a pulley device for paying off at a pit opening, which is provided with a pulley 1 which is necessary; the device also comprises a beam frame 2, a lower hook frame 3, an inserted bar 4 and a plug pin 5;
in order to fix the support framework to the pithead, the beam frame 2 is T-shaped and comprises a square tube 21 at the top, and a vertical tube 22 is fixedly connected to the middle of the lower surface of the square tube 21; the lower hook frame 3 comprises a slide bar 31; the lower end of the sliding rod 31 is fixedly connected with an inserting block 32; the slide rod 31 is telescopically inserted into the vertical pipe 22 to form a clamping mechanism 100 by the beam frame 2 and the lower ditch frame 3, and the clamping mechanism 100 is fixed on the side wall of the pithead when one end of the square pipe 21 and the insertion block 32 are respectively hooked on the upper edge of the pithead to be paid off and the upper edge of the pithead; therefore, the sliding rod 31 can be extended and retracted to cope with the situation that the tunnel depths are different, so that the inserting blocks 32 can be hooked at the upper edge of the tunnel opening.
Two clamping mechanisms 100 are respectively fixed on two opposite side walls of the pithead; the two clamping mechanisms 100 are connected through an inserted link 4 and two bolts 5 to form a supporting frame 200; two ends of the inserted rod 4 are respectively inserted into the two square pipes 21 in a sliding manner; the square tube 2 and the insertion rod 4 are both provided with pin holes 201, and the pin holes 201 are used for being inserted through the pins 5 to connect the insertion rod 4 with the square tube 21; therefore, two ends of the supporting frame 200 are respectively fixed on two opposite side walls of the pithead to form a stable supporting structure; wherein, the both ends of inserted bar 4 are slidable respectively and insert in square pipe 21 to can be suitable for the pithead size of equidimension not, adaptability is good.
The two support frames 200 are connected into a whole through at least two pulleys 1 and used as a base for installing the pulleys 1 to form a cable inlet and outlet channel for the cables to enter and exit the pithead from between the two support frames 200; two ends of one pulley 1 are connected to the positions, close to the upper edge of the pithead, of the two adjacent square tubes 21, and are used for avoiding the cable from being hung and wiped with the upper edge of the pithead when passing through; two ends of the other pulley 1 are connected to two adjacent insertion blocks 32, so as to prevent the cable from being hung and rubbed on the edge of the tunnel junction when passing through. In other words, two necessary pulleys 1 are installed at diagonal lines of the support frame 200, respectively, so as to conform to a route along which a cable passes.
In order to lay cables in two directions, the number of the pulleys 1 is four, each two adjacent square pipes 21 are connected with one pulley 1, and each two adjacent insertion blocks 32 are also connected with one pulley 1. Therefore, the cable can enter and exit the pithead from two directions; at this time, the supporting frame 200 with the pulley 1 is completely symmetrical left and right, so that the difficulty of construction and installation is reduced, and the use is convenient.
First, in order to fix the position of the slide rod 31, the vertical tube 22 is provided with a screw hole 23 for screwing a locking bolt into the screw hole 23, and the position of the slide rod 31 is fixed by using the friction force between the head of the bolt and the slide rod 31. Secondly, even if the bolt is not installed, the cable also has the function of supporting the sliding rod 31 when passing through, and the sliding rod 31 can not fall off. Therefore, the main function of the screw holes 23 in cooperation with the bolts is to facilitate the positioning of the insert 32, rather than to completely counteract the jacking force when the cable passes through.
In order to increase convenience, the pin holes 201 are provided in a plurality, and are uniformly spaced on the square pipe 2 and the insertion rod 4. Therefore, the more the pin holes 201 are, the closer the interval is, the more convenient the adjustment of the relative distance between the two clamping mechanisms 100 is, thereby adapting to the sizes of the pitholes with different sizes.
For the installation of the pulley 1, two ends of the pulley 1 are both provided with a screw 11; square pipe 21 with all be equipped with on the inserted block 32 and be used for connecting the through-hole 24 of screw rod 11 is used for working as screw rod 11 passes connect nut behind the through-hole 24, will pulley 1 detachable is connected to two between the braced frame 200. Therefore, the pulley 1, the beam frame 2, the lower hook frame 3, the inserted rod 4 and the inserted pin 5 are all detachable, so that the device is convenient to store or transport, and the storage space is saved by placing the device after being detached; and assembling and using the concrete after the concrete is placed in a construction site.
It can be noted that the pulley 1 on the square pipe 21 needs to be installed at one side inside the pithead, that is, at a position close to one side of the center of the pithead with respect to the vertical pipe 22, so as not to prevent the square pipe 21 and the vertical pipe 22 from being attached to the edge of the pithead; however, the two clamping mechanisms 100 are respectively fixed on two opposite side walls of the pithead, so that the two beam frames 2 need to be noticed in a positive and negative posture during installation. In order to facilitate construction and avoid correcting the installation direction of the two beam frames 2, the square tube 21 is provided with two through holes 24 which are distributed in a left-right symmetrical manner by taking the axis of the vertical tube 22 as a reference. Therefore, the front and the back are not convenient to consider when the beam frame 2 is installed, so that the construction difficulty is reduced, and the efficiency is improved.
When the storage rack is used, the initial state is the storage state after disassembly, and the pulley 1, the beam frame 2, the lower hook frame 3, the inserted link 4 and the inserted pin 5 are all independent parts for storage, so that the space is saved. After the construction site is reached, the beam frame 2 and the lower hook frame 3 are assembled into the clamping mechanism 100, then an inserted bar 4, two inserted pins 5 and the two clamping mechanisms 100 are assembled into a supporting frame 200, and then the two clamping mechanisms 100 are respectively fixed on two opposite side walls of the pithead through the expansion and contraction of the inserted bar 4 in the square tube 21; another support frame 200 is also installed, and then the assembly is completed after the pulley 1 is installed.
The advantage of this embodiment is that, compared to the prior art,
(1) The adjustable type pit opening device is adjustable, can adapt to pit openings with different sizes and depths, and is good in adaptability.
(2) The device is detachable, convenient to carry or store after being detached and convenient to use.
(3) The device adopts a mode that stretchers at two ends are arranged at the pithead, and compared with a pulley device hung on one side of the pithead, the structure is more stable and reliable.
(4) The pulley 1 of the device is detachable, can adapt to cables with different thicknesses by replacing pulleys with different sizes, and is convenient to use.
In a word, this embodiment can deal with the pithead of different sizes and degree of depth, and adaptability is good to it is dismantled and assembled, portable and storage, convenient to use.
Example 2: please refer to fig. 3;
in order to deal with the situation of the pithead at the end part of the pithead, namely, only one side of the pithead is connected with the pithead; the pithead square wire pulley device as described in example 1 was used.
Because the components of the pithead square wire pulley device are detachable, only the lower hook frame 3 on one side and the pulley 1 connected on the lower hook frame 3 need to be detached. At this point, only the standpipe 22 of the beam mount 2 is abutting the side wall of the excavation. Therefore, in this example, the two lower frames 3 at one end are removed from embodiment 1 to constitute the solution of this embodiment, and the tunnel end portion tunnel opening paying-off operation can be used.
The part of the utility model which is not detailed is the prior art; for a person skilled in the art, various technical features of the above embodiments may be arbitrarily combined, and for the sake of simplicity of description, all possible combinations of the technical features in the above embodiments are not described, however, as long as there is no contradiction between the combinations of the technical features, the technical features should be considered as the scope of the description in the present specification. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. A crater pay-off pulley device comprises a pulley (1); the method is characterized in that: the device also comprises a beam frame (2), a lower hook frame (3), an inserted bar (4) and a plug pin (5);
the beam frame (2) is T-shaped in appearance and comprises a square tube (21) at the top, and a vertical tube (22) is fixedly connected to the middle of the lower surface of the square tube (21); the lower hook frame (3) comprises an inserting block (32) fixedly connected with the lower end of the sliding rod (31); the slide rod (31) is telescopically inserted into the vertical pipe (22), and the beam frame (2) and the lower hook frame (3) form a clamping mechanism (100) which is fixed on the side wall of a pit for placing cables;
the two clamping mechanisms (100) are respectively fixed on two opposite side walls of the pithead; the two clamping mechanisms (100) are connected through an inserted link (4) and two bolts (5) to form a supporting frame (200); two ends of the inserted rod (4) are respectively inserted into the two square pipes (21) in a sliding manner; the square tube (21) and the inserted rod (4) are respectively provided with a pin hole (201) for inserting the inserted rod (4) into the pin holes (201) through the inserted pin (5) to connect the inserted rod (4) with the square tube (21);
the two support frames (200) are connected into a whole through at least two pulleys (1) and used for cables to enter and exit the pithead from between the two support frames (200); two ends of one pulley (1) are connected to the positions, close to the upper edge of the pithead, of two adjacent square tubes (21) and used for preventing a cable from being hung and rubbed with the upper edge of the pithead when passing through; two ends of the other pulley (1) are connected to the two adjacent insertion blocks (32) and used for avoiding the cable from being hung and wiped on the edge of the tunnel opening where the cable is placed when the cable passes through the tunnel opening.
2. The crater pay-off pulley device according to claim 1, wherein: pulley (1) has four, all connects one on every two adjacent square pipes (21) pulley (1), every adjacent two also all connect one on inserted block (32) pulley (1).
3. The pithead pay-off pulley device of claim 2, wherein: the vertical pipe (22) is provided with a screw hole (23) for fixing the position of the sliding rod (31) by screwing a locking bolt into the screw hole (23).
4. The crater pay-off pulley device according to claim 3, wherein: pinhole (201) have a plurality ofly, the setting of interval equipartition is in square pipe (21) with on inserted bar (4).
5. The crater pay-off pulley device according to claim 4, wherein: both ends of the pulley (1) are provided with screws (11); square pipe (21) with all be equipped with on inserted block (32) and be used for connecting through-hole (24) of screw rod (11) are used for working as screw rod (11) pass connect nut behind through-hole (24), will pulley (1) detachable is connected to two between braced frame (200).
6. The crater pay-off pulley device according to claim 5, wherein: the square tube (21) is provided with two through holes (24) which are distributed in a bilateral symmetry mode by taking the axis of the vertical tube (22) as a reference.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221246808.4U CN218386441U (en) | 2022-05-20 | 2022-05-20 | Pithead pay-off pulley device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221246808.4U CN218386441U (en) | 2022-05-20 | 2022-05-20 | Pithead pay-off pulley device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218386441U true CN218386441U (en) | 2023-01-24 |
Family
ID=84959221
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221246808.4U Expired - Fee Related CN218386441U (en) | 2022-05-20 | 2022-05-20 | Pithead pay-off pulley device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218386441U (en) |
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2022
- 2022-05-20 CN CN202221246808.4U patent/CN218386441U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20230124 |