CN209797348U - Pulley traction instrument for taking out plugging ball - Google Patents
Pulley traction instrument for taking out plugging ball Download PDFInfo
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- CN209797348U CN209797348U CN201920461871.1U CN201920461871U CN209797348U CN 209797348 U CN209797348 U CN 209797348U CN 201920461871 U CN201920461871 U CN 201920461871U CN 209797348 U CN209797348 U CN 209797348U
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- pulley
- plugging ball
- rope
- taking out
- frame body
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- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000007689 inspection Methods 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract description 3
- 230000005611 electricity Effects 0.000 abstract 1
- 230000000903 blocking effect Effects 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses a pulley traction appearance for taking out shutoff stifled ball belongs to municipal instrument technical field. Through set up assembly pulley and direction fixed pulley on the support body, the movable pulley in the assembly pulley can play the effect of economize on electricity, and the fixed pulley can change the direction of force. When the pulley traction instrument of the utility model is used for taking out the plugging ball, the plugging ball can be displaced horizontally and then vertically only by applying force through the free end of the first rope outside the well mouth, and finally the inspection well is taken out, so that the direction of the plugging ball does not need to be changed midway, and the acting point does not need to be continuously corrected by manual descending; in addition, the steady support of support body and supporting leg is at the wall of a well, and the process of taking out is steady, makes the work that originally needs many people to cooperate to accomplish, only needs a small number of people now just can accomplish, has saved a large amount of manpower and materials, and structural design is reasonable, makes convenient to use.
Description
Technical Field
The utility model belongs to the technical field of municipal administration instrument, concretely relates to a pulley traction appearance for taking out shutoff stifled ball.
Background
The municipal blocking ball needs to be taken out from the inspection well after being used, and the method adopted at present is that the blocking ball is pulled to the position vertically below the well mouth from the horizontal position of the inspection well by manual descending, and then the blocking ball is pulled out of the well mouth by the external force of a plurality of people on the well mouth. Because the shutoff stifled ball quality is great, in the in-process of taking out, the impetus constantly changes, needs the artifical correction of going into the well repeatedly for the impetus, and promotes the in-process rope and has the swing, consumes a large amount of manpower and materials, and inefficiency.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model aims to provide a pulley traction instrument for taking out shutoff stifled ball through set up assembly pulley and direction fixed pulley on the support body, pulls the shutoff stifled ball from the horizontal position in the inspection shaft to the well head under the perpendicular position, vertical promotion goes out the well head again. The force is saved while the force application direction is changed, and the structure design is reasonable, and the manufacture and the use are convenient.
The utility model discloses a realize through following technical scheme:
The utility model discloses a pulley traction instrument for taking out a plugging ball, which comprises a frame body, a first rope and a second rope, wherein the frame body is movably connected with a supporting leg; the frame body is provided with a guide fixed pulley and a pulley block, the pulley block at least comprises a fixed pulley and a movable pulley, and the guide fixed pulley and the fixed pulley in the pulley block are respectively sleeved on a pulley shaft fixed on the frame body in a penetrating way; one end of the first rope is wound on the pulley block, and the other end of the first rope is a free end; one end of the second rope is connected with the pulley block, and the other end of the second rope bypasses the guide fixed pulley and is connected with the plugging ball.
preferably, the pulley block comprises a first fixed pulley, a second fixed pulley and a movable pulley; the hooks at the two ends of the movable pulley are respectively connected with the first rope and the second rope.
Preferably, the guide fixed pulley and the pulleys in the pulley block are U-groove pulleys.
Preferably, the supporting leg fixedly connected with diagonal draw bar, the other end of diagonal draw bar can support on the support body.
Preferably, the support legs are provided with hooks.
Preferably, the pulley shaft is provided with a bearing.
Preferably, the length of the frame body is adjustable.
Compared with the prior art, the utility model discloses following profitable technological effect has:
The utility model discloses a pulley traction appearance for taking out shutoff stifled ball sets up assembly pulley and direction fixed pulley on the support body, and movable pulley in the assembly pulley can play the effect of province, and the fixed pulley can change the direction of force, through the number of rationally setting up fixed pulley and movable pulley and the wire winding mode between them, can change the direction of force in laborsaving, seeks the best application of force mode. The direction fixed pulley can be with shutoff stifled ball from the horizontal position in the inspection shaft to the well head under the position of the perpendicular of well head, and the rethread assembly pulley pulls out the shutoff stifled ball well head. When the supporting legs are used, the supporting legs can be supported on the well wall when opened, so that the frame body is stable; can be folded when not in use, and is convenient to carry and store. When the pulley traction instrument of the utility model is used for taking out the plugging ball, the plugging ball can be displaced horizontally and then vertically only by applying force through the free end of the first rope outside the well mouth, and finally the inspection well is taken out, so that the direction of the plugging ball does not need to be changed midway, and the acting point does not need to be continuously corrected by manual descending; in addition, the steady support of support body and supporting leg is at the wall of a well, and the process of taking out is steady, makes the work that originally needs many people to cooperate to accomplish, only needs a small number of people now just can accomplish, has saved a large amount of manpower and materials, and structural design is reasonable, makes convenient to use.
Furthermore, the pulley block comprises two fixed pulleys and a movable pulley, and the arrangement is carried out according to the principle of the pulley block, so that the direction of the upward lifting force can be changed into the downward force, the force application is facilitated, and two thirds of the force can be saved.
Furthermore, the guide fixed pulleys and the pulleys in the pulley block are U-groove pulleys, so that a better guide effect can be achieved, and the resistance of the rope in the groove is smaller, so that the force is saved.
Furthermore, one end of the diagonal draw bar is fixedly connected with the supporting leg, and the other end of the diagonal draw bar can be supported on the frame body, so that the strength and the stability of the whole device are improved.
Furthermore, the support legs are provided with hooks, so that the support legs can be conveniently pulled open, and the movable pulleys in the pulley block can be hung on the hooks before the ropes are wound.
furthermore, the pulley shaft is provided with a bearing, so that the friction of the pulley during rolling can be reduced, and the pulley mechanism can run stably.
further, the length of the frame body is adjustable, the frame body can be adjusted according to actual well depth, and the frame body is contracted after being used, so that the frame body is convenient to carry and store.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention in a non-operating state;
Fig. 2 is a schematic structural front view of the working state of the present invention;
FIG. 3 is a schematic side view of the structure of the working state of the present invention;
fig. 4 is a schematic structural diagram of an embodiment of the present invention.
In the figure: 1 is a frame body; 2, a pulley block; 2-1 is a first fixed pulley; 2-2 is a second fixed pulley; 2-3 is a movable pulley; 3 is a supporting leg; 4 is a diagonal draw bar; 5 is a guide fixed pulley; 6 is a hook; 7 is a rope; 8 is a plugging ball.
Detailed Description
The invention is described in further detail below with reference to the following figures and examples:
Fig. 1 is a schematic view of the whole structure of the utility model in a non-working state, at this time, the rope is not wound on the device, fig. 2 and fig. 3 are schematic views of the structure of the working state of the utility model, which comprises a frame body 1, a first rope 7-1 and a second rope 7-2, the frame body 1 is movably connected with a supporting leg 3, a diagonal draw bar 4 can be fixedly connected on the supporting leg 3, when the supporting leg 3 is opened, the other end of the diagonal draw bar 4 can be supported on the frame body 1; the support legs 3 may also be provided with hooks 6. The frame body 1 is provided with a guide fixed pulley 5 and a pulley block 2, the pulley block 2 at least comprises a fixed pulley and a movable pulley, and the guide fixed pulley 5 and the pulleys in the pulley block 2 are preferably U-groove pulleys. The guide fixed pulley 5 and the fixed pulley in the pulley block 2 are respectively sleeved on a pulley shaft fixed on the frame body 1 in a penetrating way, and a bearing can be arranged on the pulley shaft. One end of a first rope 7-1 is wound on the pulley block 2, and the other end is a free end; one end of the second rope 7-2 is connected with the pulley block 2, and the other end of the second rope bypasses the guide fixed pulley 5 and is connected with the plugging ball 8.
The frame body 1 can be designed into a telescopic structure with adjustable length, one scheme is that the frame body 1 is divided into a plurality of sections, each section can be fixedly connected through a connecting device, and when the frame is used, partial splicing and fixing are carried out according to needs; the other scheme is that the frame body 1 is made into a telescopic rod structure sleeved with sleeves with different outer diameters and is fixedly connected through a connecting device when the length is adjusted to be required.
The arrangement mode of the pulley block 2 can adopt various modesOne scheme is shown in figure 1, when the pulley block 2 is in a non-working state, a movable pulley 2-3 can be hung on a hook 6, and the pulley block 2 comprises a first fixed pulley 2-1, a second fixed pulley 2-2 and a movable pulley 2-3; hooks at two ends of the movable pulley 2-3 are respectively connected with a first rope 7-1 and a second rope 7-2, and one end of the first rope 7-1 is fixed on one hook on the movable pulley 2-3 after passing around the movable pulley 2-3. The principle is as shown in fig. 4, and by the formula: fPulling device＝(1/n)*GGeneral assemblyLabor-saving calculation, wherein: n is the number of rope segments (rope connected to the movable pulley) of the load bearing, Ggeneral assemblyObject weight + pulley weight (G)Article (A)+GSliding device) The mass of an inflatable plugging ball of D500mm is about 113.57kg, the weight of a movable pulley 2-3 is about 2kg, and G isGeneral assembly＝(113.57kg+2kg)*g≈1155N，n＝3，FPulling devicean adult can easily pull up 1/3 × 1155N 385N. When the pulley traction instrument is not used, the force of 1155N is required to be pulled up by at least more than two adults.
The number of the fixed pulleys and the movable pulleys in the pulley block 2 and the winding mode can be changed according to actual requirements, so that the required force application direction and labor saving conditions are obtained.
The utility model discloses a use method as follows:
firstly, manually placing a frame body 1 into a well from a well mouth of an inspection well, pulling a supporting leg 3 open through a hook 6 to enable the supporting leg 3 to be supported on the wall of the inspection well, winding a first rope 7-1 according to the design principle of a pulley block, and enabling a free end to extend out of the well mouth; one end of a second rope 7-2 is connected to a hook of the pulley block 2, the other end of the second rope bypasses the guide fixed pulley 5 to be connected with the plugging ball 8, force is applied to the free end of the first rope 7-1, the plugging ball 8 is horizontally moved to the position right below the wellhead of the inspection well, and then the plugging ball 8 is vertically lifted out of the wellhead through the pulley block 2. After the plugging ball is used, the times of manually and repeatedly launching, correcting and removing the force application points of the plugging ball are obviously reduced, and manual well descending is changed from the original four times to no special condition.
Manufacturing and mounting:
The frame body 1 can be made of a seamless hot-rolled steel pipe with the diameter of 400 mm.
The frame body 1 is provided with a screw hole for installing the fixed pulley shaft and is fixedly installed through a screw.
the supporting legs 3 and the diagonal draw bars 4 are fixed by welding.
Claims (7)
1. A pulley traction instrument for taking out a plugging ball is characterized by comprising a frame body (1), a first rope (7-1) and a second rope (7-2), wherein the frame body (1) is movably connected with a supporting leg (3); the frame body (1) is provided with a guide fixed pulley (5) and a pulley block (2), the pulley block (2) at least comprises a fixed pulley and a movable pulley, and the guide fixed pulley (5) and the fixed pulley in the pulley block (2) are respectively sleeved on a pulley shaft fixed on the frame body (1) in a penetrating way; one end of the first rope (7-1) is wound on the pulley block (2), and the other end is a free end; one end of the second rope (7-2) is connected with the pulley block (2), and the other end of the second rope bypasses the guide fixed pulley (5) and is connected with the plugging ball (8).
2. The pulley traction instrument for removing the plugging ball according to claim 1, wherein the pulley block (2) comprises a first fixed pulley (2-1), a second fixed pulley (2-2) and a movable pulley (2-3); the movable pulleys (2-3) are respectively connected with the first rope (7-1) and the second rope (7-2).
3. The pulley traction apparatus for removing the plugging ball according to claim 1, wherein the guide fixed pulley (5) and the pulleys in the pulley block (2) are U-groove pulleys.
4. The pulley traction instrument for taking out the plugging ball according to claim 1, wherein the support leg (3) is fixedly connected with a diagonal draw bar (4), and the other end of the diagonal draw bar (4) can be supported on the frame body (1).
5. The pulley traction instrument for removing the plugging ball according to claim 1, wherein the supporting leg (3) is provided with a hook (6).
6. The pulley traction apparatus for removing the plugging ball according to claim 1, wherein the pulley shaft is provided with a bearing.
7. The pulley traction apparatus for removing the plugging ball according to claim 1, wherein the length of the frame body (1) is adjustable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920461871.1U CN209797348U (en) | 2019-04-08 | 2019-04-08 | Pulley traction instrument for taking out plugging ball |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920461871.1U CN209797348U (en) | 2019-04-08 | 2019-04-08 | Pulley traction instrument for taking out plugging ball |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209797348U true CN209797348U (en) | 2019-12-17 |
Family
ID=68828507
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920461871.1U Active CN209797348U (en) | 2019-04-08 | 2019-04-08 | Pulley traction instrument for taking out plugging ball |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209797348U (en) |
-
2019
- 2019-04-08 CN CN201920461871.1U patent/CN209797348U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: No.18, Hancheng East Road, Lianhu District, Xi'an City, Shaanxi Province, 710077 Patentee after: Xi'an Xijiao municipal facilities maintenance management Co.,Ltd. Country or region after: China Address before: No.18, Hancheng East Road, Lianhu District, Xi'an City, Shaanxi Province, 710077 Patentee before: XI'AN XIJIAO MUNICIPAL MAINTENANCE MANAGEMENT CO.,LTD. Country or region before: China |