CN214923995U - Belt pulley pulling hook and belt pulley pulling wheel system - Google Patents
Belt pulley pulling hook and belt pulley pulling wheel system Download PDFInfo
- Publication number
- CN214923995U CN214923995U CN202022571855.3U CN202022571855U CN214923995U CN 214923995 U CN214923995 U CN 214923995U CN 202022571855 U CN202022571855 U CN 202022571855U CN 214923995 U CN214923995 U CN 214923995U
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- hook
- belt pulley
- pulley
- bodies
- spring
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- 238000003825 pressing Methods 0.000 claims description 29
- 239000011324 bead Substances 0.000 claims description 4
- 241001289840 Trochus Species 0.000 abstract description 3
- 238000005086 pumping Methods 0.000 description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 210000000078 claw Anatomy 0.000 description 6
- 229910052742 iron Inorganic materials 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000003129 oil well Substances 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Hooks, Suction Cups, And Attachment By Adhesive Means (AREA)
Abstract
The utility model discloses a belt pulley pulls out hook and belt pulley pulls out a round system belongs to oil development accessory field. This belt pulley pulls out hook includes elastic element and two coupler bodies, and every coupler body in these two coupler bodies includes the body of rod and pulls out the hook, the one end of this body of rod with should pull out hook fixed connection, the other end of this body of rod has the through-hole that is used for cup jointing on the crossbeam of pulling out the trochus, this elastic element's both ends respectively with the middle part fixed connection of the two body of rods of these two coupler bodies, this elastic element is used for when the hook joint of pulling out of these two coupler bodies is at the belt pulley, exerts pulling force to these two coupler bodies. The utility model provides a belt pulley pulls out the hook can firm joint on the belt pulley, avoids the belt pulley to pull out the hook and takes place the slippage with the belt pulley.
Description
Technical Field
The application relates to the field of oil exploitation accessories, in particular to a belt pulley pulling hook and a belt pulley pulling wheel system.
Background
In the oil extraction process of an oil well, a belt pulley on a motor of the oil pumping unit is frequently required to be replaced to adjust the rotation parameters of the oil pumping unit so that the rotation parameters of the oil pumping unit meet the actual production requirements, and a pulley puller is used for pulling down the belt pulley when the belt pulley is replaced. The existing pulley extractor for replacing the belt pulley is a two-jaw pulley extractor or a three-jaw pulley extractor, and when the belt pulley is extracted by using the pulley extractor, an operator is generally required to grasp a jaw body of the pulley extractor so as to clamp the jaw body of the pulley extractor with the belt pulley.
However, the current technology is difficult to effectively clamp the claw body of the pulley extractor with the belt pulley, and the claw body of the pulley extractor is easy to slip off from the belt pulley in the process of pulling off the belt pulley, so that the edge of the belt pulley is damaged.
Disclosure of Invention
The utility model provides a belt pulley pulls out the hook, and this belt pulley pulls out the hook can firm joint on the belt pulley, avoids the belt pulley to pull out the hook and takes place the slippage with the belt pulley. The technical scheme of the utility model as follows:
in one aspect, a pulley hook is provided, which includes: an elastic element and two hooks; each of the two hook bodies comprises a rod body and a pulling hook, one end of the rod body is fixedly connected with the pulling hook, and the other end of the rod body is provided with a through hole which is sleeved on a cross beam of the wheel puller; the two ends of the elastic element are respectively fixedly connected with the middle parts of the two rod bodies of the two hook bodies, and the elastic element is used for applying pulling force to the two hook bodies when the pulling hooks of the two hook bodies are clamped on the belt pulley.
Optionally, the elastic element comprises: the spring and set up and be in two spring layering at spring both ends, two spring layering respectively with the middle part fixed connection of two body of rod.
Optionally, the two spring pressing strips are respectively welded in the middle of the two rod bodies.
Optionally, the spring bead is S-shaped.
Optionally, the length of the spring pressing strip ranges from 60 mm to 80 mm, the width of the spring pressing strip ranges from 10 mm to 11 mm, and the thickness of the spring pressing strip ranges from 0.8 mm to 1 mm.
Optionally, the spring has a wire diameter in the range of 0.8 mm to 1 mm and an original length in the range of 240 mm to 260 mm.
Optionally, the through hole is a square hole.
Optionally, the depth of the through hole ranges from 24 mm to 26 mm; the width of the opening surface of the through hole ranges from 20 mm to 22 mm.
Optionally, the overall length of the rod body and the pulling hook ranges from 300 mm to 310 mm;
optionally, the length of the cross section of the rod body ranges from 24 mm to 26 mm, the width ranges from 44 mm to 46 mm, and the cross section is perpendicular to the length direction of the rod body; the length range of the table surface of the hook is 30 mm to 32 mm, and the width range of the table surface of the hook is 44 mm to 46 mm.
In another aspect, a pulley system is provided, the system comprising: a pulley extractor and a pulley hook as described in the first aspect or any one of the optional implementations of the first aspect.
The utility model provides a beneficial effect that technical scheme brought is:
the utility model provides a belt pulley pulls out hook, this belt pulley pulls out hook includes elastic element and two coupler bodies, every coupler body includes the body of rod and pulls out the hook, this elastic element's both ends respectively with the middle part fixed connection of the two bodies of rod of these two coupler bodies, when the hook of dialling of these two coupler bodies is with the belt pulley joint, this elastic element can apply the pulling force to these two coupler bodies, make these two coupler bodies and the firm joint of this belt pulley, avoid these two coupler bodies and belt pulley to take place the slippage, thereby avoid these two coupler bodies and belt pulley to take place the belt pulley damage that the slippage leads to.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is an application scene diagram of a belt pulley hook provided in an embodiment of the present invention;
fig. 2 is a left side view of the belt pulley hook provided by the embodiment of the present invention.
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the oil extraction process of an oil well, a belt pulley on a motor of the oil pumping unit is frequently required to be replaced to adjust the rotation parameters of the oil pumping unit, and a pulley puller is used for pulling down the belt pulley to be replaced when the belt pulley is replaced. The existing pulley extractor for replacing the belt pulley is a two-jaw pulley extractor or a three-jaw pulley extractor, but the pulley extractor is difficult to enable a claw body of the pulley extractor to be effectively clamped with the belt pulley, and the claw body of the pulley extractor is easy to slip off from the belt pulley in the process of pulling off the belt pulley, so that the edge of the belt pulley is damaged. In addition, if some claw body of the pulley puller slips off the belt pulley, and other claw bodies do not slip off the belt pulley, the belt pulley may be dislocated due to uneven stress, and the belt pulley is difficult to pull out, which increases labor intensity. In view of this, the embodiment of the utility model provides a belt pulley pulls out hook, this belt pulley pulls out hook includes elastic element and two coupler bodies, this elastic element's both ends respectively with these two coupler bodies fixed connection, when the hook and the belt pulley joint of dialling of these two coupler bodies, this elastic element can apply the pulling force to these two coupler bodies, make these two coupler bodies and this belt pulley firm joint, avoid these two coupler bodies and belt pulley to take place the slippage, thereby avoid these two coupler bodies and belt pulley to take place the belt pulley damage that the slippage leads to, and avoid coupler body and belt pulley to take place the slippage and the belt pulley dislocation that leads to. The scheme provided by the utility model refers to the following embodiments.
Referring to fig. 1, it shows an application scenario diagram of a pulley hook according to an embodiment of the present invention, as shown in fig. 1, the pulley hook includes: an elastic element 11 and two hooks 12; each of the two hooks 12 comprises a rod body 121 and a pulling hook 122, one end of the rod body 121 is fixedly connected with the pulling hook 122, and the other end of the rod body 121 is provided with a through hole a which is sleeved on the cross beam 21 of the pulley extractor 2; the two ends of the elastic element 11 are respectively fixedly connected with the middle parts of the two rod bodies 121 of the two hook bodies 12, and the elastic element 11 is used for applying a pulling force to the two hook bodies 122 when the pulling hooks 122 of the two hook bodies 12 are clamped on the belt pulley 3.
Optionally, the rod body 121 and the pulling hook 122 are an integral structure, that is, the rod body 121 and the pulling hook 122 are formed by a single process, so that the mechanical strength of the hook body 12 can be ensured. Optionally, the rod body 121 and the pulling hook 122 are welded or fixedly connected through a thread, which is not limited by the embodiment of the present invention. Optionally, the material of the rod body 121 and the material of the pulling hook 122 may be 45# carbon steel, or the material of the rod body 121 and the material of the pulling hook 122 may be other high-strength alloys, which is not limited in the embodiment of the present invention.
Optionally, the through hole a is located at one end of the rod body 121 far away from the pulling hook 122, and the through hole a is used for sleeving the rod body 121 on the cross beam 21 of the pulley extractor 2, so that the lead screw 22 of the pulley extractor 2 can drive the two rod bodies 121 to move relatively with respect to the rotating shaft of the motor of the pumping unit where the belt pulley 3 is located when rotating, so as to drive the two hook bodies 122 to move relatively with respect to the rotating shaft of the motor of the pumping unit where the belt pulley 3 is located, and the two pulling hooks 122 of the two hook bodies 122 pull the belt pulley 3 off from the motor.
Optionally, the through hole a is a square hole, the depth m of the through hole a is in a range of 24 mm to 26 mm, and the width n of the opening surface of the through hole a is in a range of 20 mm to 22 mm. It should be noted that, the through hole a is a square hole, which is only an example, in practical application, the structure of the through hole a may be set according to the structure of the beam of the actual wheel puller, for example, the through hole a is set as a circular hole or a hole with another shape, and the embodiment of the present invention does not limit this. In addition, this through-hole A's size is exemplary only, and in practical application, can set up this through-hole A's size according to the size of the crossbeam of pulling out the trochus to make this through-hole A cup joint on this crossbeam 03 of pulling out the trochus and be difficult for the landing, the embodiment of the utility model provides a do not limit to this.
Alternatively, both ends of the elastic element 11 are fixedly connected to the middle portions of the two rods 121 of the two hooks 12, for example, both ends of the elastic element 11 are welded to the middle portions of the two rods 121 of the two hooks 12. Alternatively, as shown in fig. 1, the elastic member 11 includes: spring 111 and two spring layering 112 of setting at this spring 111 both ends, these two spring layering 112 respectively with the middle part fixed connection of these two body of rod 121, for example, these two spring layering 112 respectively with the middle part welding of these two bodies of rod 121, the embodiment of the utility model provides a do not limit to this.
Optionally, referring to fig. 1 and fig. 2, one end of each of the two spring pressing strips 112 is welded to a middle portion of one surface of the two rod bodies 121 away from the hook 122, and a distance between one of the spring pressing strips 112 and the first end (e.g., the end provided with the through hole a) of the rod body 121 where the one of the spring pressing strips is located is equal to a distance between the other spring pressing strip 112 and the first end (e.g., the end provided with the through hole a) of the rod body 121 where the other spring pressing strip is located, that is, the height positions of the two spring pressing strips 112 on the two rod bodies 121 are the same. It should be noted that, the connection manner of the spring pressing strip 112 and the rod body 121 is only an example, in practical applications, the spring pressing strip 112 and the rod body 121 may be fixedly connected by a screw, and the embodiment of the present invention is not limited thereto. In addition, the position of the spring pressing bar 112 on the rod body 121 is merely an example, and in practical applications, the spring pressing bar 112 may be disposed at any position of the middle lower portion of the rod body 121, which is not limited by the embodiment of the present invention.
Optionally, the spring bead 112 is S-shaped. As shown in fig. 1, one end of the spring pressing bar 112 is fixedly connected to the middle of the rod 121. The two spring pressing strips 112 are provided to fix the spring 111 on the two rods 121, so as to ensure the fixed connection between the spring 111 and the two rods 121. It should be noted that the shape of the spring pressing strip 112 is only an example, in practical applications, the shape of the spring pressing strip 112 may also be a semi-circle, or the shapes of the two spring pressing strips 112 may also be U-shapes, which is not limited in the embodiment of the present invention.
Furthermore, in the embodiment of the present invention, the elastic element only includes two spring pressing strips and a spring, in practical application, in order to ensure the pulling force between the two hooks 12, a plurality of elastic elements can be disposed, and the plurality of elastic elements are disposed in parallel, so as to ensure the pulling force of the plurality of elastic elements to the two hooks 12, the embodiment of the present invention is not limited thereto.
Optionally, the length of the spring pressing strip 112 ranges from 60 mm to 80 mm, the width of the spring pressing strip 112 ranges from 10 mm to 11 mm, and the thickness of the spring pressing strip 112 ranges from 0.8 mm to 1 mm. It should be noted that the size of the spring pressing strip 112 is only an example, and in practical application, the size of the spring pressing strip 112 can be changed according to practical requirements to ensure the strength of the spring pressing strip 112, so that the spring pressing strip 112 cannot be broken due to the overlarge stress on the spring pressing strip 112 when the wheel puller 2 is used.
Alternatively, referring to fig. 1, the wire diameter of the spring 111 ranges from 0.8 mm to 1 mm, and the free length of the spring 111 ranges from 240 mm to 260 mm. The maximum value of the free length of the spring 111 needs to be smaller than the diameter of the belt pulley to be pulled, so that when the two hooks 12 are clamped on the belt pulley, the spring 111 can apply tension to the two hooks 12, and the two hooks 12 are firmly clamped on the belt pulley. It should be noted that the wire diameter and the size range of the spring 111 are only exemplary, and in practical applications, the wire diameter and the size range of the spring 111 may be set to other values according to requirements, which is not limited by the embodiment of the present invention.
Optionally, referring to fig. 1 and fig. 2, the overall length l of the rod 121 and the pull hook 122 ranges from 300 mm to 310 mm, for example, the overall length l of the rod 121 and the pull hook 122 ranges from 300 mm to 310 mm; the length range of the cross section of the rod body 121 is 24 mm to 26 mm, the width range is 44 mm to 46 mm, and the cross section of the pull hook 122 is perpendicular to the length direction of the rod body 121; the length of the table surface of the hook 122 ranges from 30 mm to 32 mm, and the width ranges from 44 mm to 46 mm, for example, the length x of the table surface of the hook 122 ranges from 30 mm to 32 mm, and the width y ranges from 44 mm to 46 mm.
Optionally, the table surface of the hook 122 may be attached to a surface of the pulley far from the pulley extractor 2 to ensure a firm engagement. Optionally, in the embodiment of the present invention, the overall length of the rod body 121 and the pulling hook 122 ranges from 300 mm to 310 mm, the length of the rod body 121 is greater than the thickness of the belt pulley, so as to ensure that the hook body 12 can be fastened on the belt pulley, and the pulley puller 2 can be used normally. It should be noted that, the sizes of the rod body 121 and the pulling hook 122 are only exemplary, and in practical applications, the sizes of the rod body 121 and the pulling hook 122 may also be adjusted according to practical requirements, which is not limited by the embodiment of the present invention.
Optionally, referring to fig. 1, two ends of a cross beam 21 of the wheel extractor 2 are sleeved with the two hooks 12, and a lead screw 22 of the wheel extractor 2 is rotatably connected with the cross beam 21. One end of the screw rod 22 of the pulley extractor 2 is provided with a through hole C for penetrating an iron bar matched with the through hole C, and the other end of the screw rod 22 of the pulley extractor 2 is provided with a support body (not shown in fig. 1) abutting against the motor rotating shaft of the belt pulley. Optionally, the support body is provided with a positioning key, which can be snapped into the key slot of the pulley to ensure that the lead screw 22 does not slip during rotation.
To sum up, the embodiment of the present invention provides a belt pulley pulling hook, which comprises an elastic element and two hook bodies, each hook body comprises a rod body and a pulling hook, both ends of the elastic element are respectively fixedly connected to the middle portions of the two rod bodies of the two hook bodies, when the pulling hook of the two hook bodies is connected to a belt pulley, the elastic element can apply a pulling force to the two hook bodies, so that the two hook bodies are firmly connected to the belt pulley, and the two hook bodies are prevented from slipping off the belt pulley, thereby preventing the belt pulley from being damaged due to the slipping off between the two hook bodies and the belt pulley, furthermore, since the hook bodies can be firmly connected to the belt pulley through the elastic element, the belt pulley can be easily pulled off from the rotating shaft of the motor of the oil pumping unit through the belt pulley pulling hook, and the belt pulley dislocation caused by the slipping off between the hook bodies and the belt pulley is avoided, the labor intensity is reduced.
The embodiment of the utility model provides a pair of pulley system of pulling out, this system includes: pulley extractor and pulley pull hook that the embodiment provided above provided.
The following briefly introduces a method for using a pulley pulling system provided by an embodiment of the present invention with reference to fig. 1 and 2. As shown in fig. 1 and 2, when a pulley on a motor of a certain pumping unit needs to be disassembled, firstly, two hooks 12 are sleeved at two ends of a beam 21 of a pulley extractor 2 through a through hole a, and at this time, a spring 111 connecting the two hooks 12 is in a free state; then, the end of the screw rod 22 of the pulley puller 2, which is provided with the support body, is abutted against the motor rotating shaft of the belt pulley to be disassembled, so that the positioning key on the support body is clamped into the key groove of the belt pulley to be disassembled, and the clamping connection of the screw rod 22 and the belt pulley is ensured; then, the two hook bodies 12 are stretched outwards, so that the two pulling hooks 122 of the two hook bodies 12 form a certain included angle, the distance between the two pulling hooks 122 is greater than the diameter of the belt pulley to be disassembled, the table tops of the two pulling hooks 122 are respectively abutted to the surface, far away from the cross beam 21, of the disassembled belt pulley, so that the two pulling hooks 122 are clamped with the belt pulley to be disassembled, at the moment, the spring 111 connected with the two hook bodies 12 is in a stretching state, and the spring 111 applies a pulling force to the two hook bodies 12, so as to ensure that the two hook bodies 12 are firmly clamped with the belt pulley to be disassembled; finally, an iron rod is inserted into the through hole C of the lead screw 22 of the pulley extractor 2, the iron rod is driven to rotate around the axis of the lead screw 22, the iron rod drives the lead screw 22 to rotate around the axis of the lead screw 22, the lead screw 22 drives the beam 21 of the pulley extractor 2 to move in the direction away from the motor, the beam 21 of the pulley extractor 2 drives the two hooks 12 to move in the direction away from the motor, and the pulling hooks 122 of the two hooks 12 detach the belt pulley 3 to be detached from the rotating shaft of the motor.
The above description is only an optional embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a belt pulley hook, its characterized in that, belt pulley hook includes:
an elastic element and two hooks;
each of the two hook bodies comprises a rod body and a pulling hook, one end of the rod body is fixedly connected with the pulling hook, and the other end of the rod body is provided with a through hole which is sleeved on a cross beam of the wheel puller;
the two ends of the elastic element are respectively fixedly connected with the middle parts of the two rod bodies of the two hook bodies, and the elastic element is used for applying pulling force to the two hook bodies when the pulling hooks of the two hook bodies are clamped on the belt pulley.
2. The pulley hook according to claim 1, wherein said elastic element comprises:
the spring and set up and be in two spring layering at spring both ends, two spring layering respectively with the middle part fixed connection of two body of rod.
3. The pulley pulling hook according to claim 2, wherein the two spring pressing strips are welded to the middle portions of the two rod bodies respectively.
4. The pulley hook of claim 2, wherein said spring bead is S-shaped.
5. The pulley hook according to claim 2, wherein the spring bead has a length ranging from 60 mm to 80 mm, a width ranging from 10 mm to 11 mm, and a thickness ranging from 0.8 mm to 1 mm.
6. The pulley hook of claim 2, wherein said spring has a wire diameter in the range of 0.8 mm to 1 mm and a free length in the range of 240 mm to 260 mm.
7. The pulley hook according to claim 1, wherein said through hole is a square hole.
8. The pulley hook of claim 7, wherein said through hole has a depth ranging from 24 mm to 26 mm; the width of the opening surface of the through hole ranges from 20 mm to 22 mm.
9. The pulley hook according to any one of claims 1 to 8,
the integral length range of the rod body and the pull hook is 300-310 mm;
the length range of the cross section of the rod body is 44 mm to 46 mm, the width range of the cross section of the rod body is 24 mm to 26 mm, and the cross section is perpendicular to the length direction of the rod body; the length range of the table surface of the hook is 44 mm to 46 mm, and the width range of the table surface of the hook is 30 mm to 32 mm.
10. A pulley system, comprising: a pulley puller and a pulley hook according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022571855.3U CN214923995U (en) | 2020-11-09 | 2020-11-09 | Belt pulley pulling hook and belt pulley pulling wheel system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022571855.3U CN214923995U (en) | 2020-11-09 | 2020-11-09 | Belt pulley pulling hook and belt pulley pulling wheel system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214923995U true CN214923995U (en) | 2021-11-30 |
Family
ID=79035104
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022571855.3U Active CN214923995U (en) | 2020-11-09 | 2020-11-09 | Belt pulley pulling hook and belt pulley pulling wheel system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214923995U (en) |
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2020
- 2020-11-09 CN CN202022571855.3U patent/CN214923995U/en active Active
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