Beam hanger applied to oil pumping unit

Abstract

The beam hanger comprises a beam hanger body, an installation groove is formed in the beam hanger body, a first oil pumping polish rod limiting mechanism is rotatably arranged in the installation groove in a positioning mode, and a second oil pumping polish rod limiting mechanism is detachably connected to the beam hanger body. The two side faces of the beam hanger body are each provided with a lifting rope containing groove, and the positions, corresponding to the two lifting rope containing grooves, of the beam hanger body are each detachably connected with a lifting rope limiting mechanism. The first oil pumping polish rod limiting mechanism and the second oil pumping polish rod limiting mechanism are high in strength and good in stress performance, the service life of the oil pumping polish rod limiting device can be prolonged, and the first oil pumping polish rod limiting mechanism and the second oil pumping polish rod limiting mechanism play a dual limiting role. The conditions that the oil pumping polish rod is bent and runs in a deflection mode can be avoided to the maximum extent, the running stability and safety of the oil pumping unit can be improved, the oil extraction efficiency can be effectively improved, and the maintenance cost can be effectively reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of hanging rope device, specifically a kind of hanging rope device applied to pumping unit. BACKGROUND

[0002] Pumping unit is a kind of mechanical equipment for extracting crude oil from oil field, its main role is to extract underground crude oil to ground, and is transported to gathering station by pipeline to be handled. At present, pumping unit usually includes horse head, load sensor, pumping beam, sling rope, light pole clamp, baffle type hanging rope device etc., wherein baffle type hanging rope device is an important component in pumping unit, mainly used for connecting sling rope and pumping beam, bears the working load when pumping, so that pumping beam is fixed at the center position of oil well in the process of exploiting petroleum.

[0003] Baffle type hanging rope device usually includes hanging rope device body, center groove arranged in the middle of hanging rope device body, baffle detachably connected at the opening position of center groove on hanging rope device body, two side grooves oppositely arranged on both sides of hanging rope device body and positioning pin detachably connected at the opening position of two side grooves on hanging rope device body, wherein baffle is rectangular plate structure, used for limiting pumping beam, and positioning pin is used for limiting sling rope. In actual use, baffle has low strength and poor stress performance, and is prone to deformation, damage and even fracture, which will affect the normal use of hanging rope device and seriously affect the service life of hanging rope device. Moreover, when baffle in hanging rope device is damaged, pumping beam will be unevenly stressed, which will easily lead to the bending of pumping beam and the deflection operation of pumping beam, which will affect the stability and safety of pumping unit operation, and pumping unit is prone to failure, which will seriously affect the oil production efficiency and increase maintenance cost. SUMMARY

[0004] To solve the above problems in the prior art, the utility model aims to provide a kind of hanging rope device applied to pumping unit, to reach the purposes of improving the service life of hanging rope device, improving oil production efficiency and reducing maintenance cost.

[0005] To achieve the above-mentioned purposes, the utility model employs the following technical solutions: a kind of hanging rope device applied to pumping unit, including hanging rope device body, installation slot for pumping beam in pumping unit is inserted from side in the hanging rope device body, first pumping beam limiting mechanism for limiting pumping beam is rotatably arranged in installation slot and can be positioned, second pumping beam limiting mechanism for supplementing the limiting of pumping beam is detachably connected at the position corresponding to the lateral opening of installation slot on hanging rope device body, each of two side surfaces of hanging rope device body is provided with one sling rope placing slot for sling rope in pumping unit is inserted from side, and each of the position corresponding to two sling rope placing slots on hanging rope device body is detachably connected with one sling rope limiting mechanism.

[0006] As the utility model of the limitation, the first pumping beam limiting mechanism includes the first limiting block of being positioned, the U-shaped groove component of being positioned on the first limiting block and the handle of being positioned and being slidably connected on the rope hanger body on the first limiting block.

[0007] As the further limitation of the utility model, the handle includes a handle shell and a connecting rod slidably connected in the handle shell through a piston, and an end of the connecting rod close to the inner bottom of the hollow cavity of the handle shell is fixedly connected together with the inner bottom of the hollow cavity of the handle shell through an elastic member.

[0008] As the further limitation of the utility model, the second pumping beam limiting mechanism includes a first mounting plate and a second limiting block vertically fixed on the first mounting plate and located in the installation groove, and the second limiting block is provided with a first arc-shaped groove.

[0009] As the further limitation of the utility model, the rope limiting mechanism includes a second mounting plate and a third limiting block vertically fixed on the second mounting plate and located in the rope placing groove, and the third limiting block is provided with a second arc-shaped groove.

[0010] As another limitation of the utility model, a sensor limiting member for limiting the load sensor in the pumping unit is fixed on the top of the rope hanger body at the position between the two sides of the installation groove, the distance between the two sensor limiting members is matched with the size of the short side of the load sensor so that the load sensor can be clamped between the two sensor limiting members.

[0011] Compared with the prior art, the utility model has the beneficial effects that:

[0012] (1) The utility model has a rope hanger body, an installation groove, a first pumping beam limiting mechanism, a second pumping beam limiting mechanism, a rope placing groove and a rope limiting mechanism, wherein the first pumping beam limiting mechanism and the second pumping beam limiting mechanism are double limiting structure designs, the first pumping beam limiting mechanism and the second pumping beam limiting mechanism have high strength and good stress performance, and the service life of the utility model can be effectively improved.

[0013] (2) The first oil pumping polished rod limiting mechanism has reasonable structure, is convenient to use, has good limiting effect, and is stable in limiting the oil pumping polished rod in the U-shaped groove component when the opening of the U-shaped groove component on the first limiting block is aligned with the opening of the mounting groove and the oil pumping polished rod is inserted into the U-shaped groove component, and then the opening of the U-shaped groove component on the first limiting block is closed by the suspender body.

[0014] (3) The handle adopts the structural form that the handle shell, the piston, the connecting rod and the elastic component are combined, when the handle needs to be rotated, the handle shell is pulled away from the suspender body, the handle shell moves away from the suspender body relative to the connecting rod, the overall length of the handle is lengthened, which makes the force arm larger when the handle is rotated, and the handle shell moves towards the suspender body under the action of the elastic component and is stably pressed on the suspender body after the handle is released at the specified position, so that the stability and practicability of the structure of the utility model can be effectively improved.

[0015] (4) The second oil pumping polished rod limiting mechanism comprises a first mounting plate and a second limiting block, and the first mounting plate and the second limiting block are combined to have a T-shaped structure, the structure has better strength and better stress performance, the second limiting block is provided with a first arc-shaped groove, when the first oil pumping polished rod limiting mechanism is damaged and the first arc-shaped groove can contact the oil pumping polished rod, the stress performance between the arc-shaped surface in the first arc-shaped groove and the oil pumping polished rod is better, the oil pumping polished rod can be better protected, and damage of the oil pumping polished rod can be avoided.

[0016] (5) The suspender limiting mechanism comprises a second mounting plate and a third limiting block, and the second mounting plate and the third limiting block are combined to have a T-shaped structure, the structure has better strength and better stress performance, the third limiting block is provided with a second arc-shaped groove, the stress performance between the arc-shaped surface in the second arc-shaped groove and the suspender is better, the suspender can be better protected, and damage of the suspender can be avoided.

[0017] (6) Two sensor limiting components are arranged on the utility model, the two sensor limiting components can limit the load sensor in the pumping unit and prevent the load sensor from moving on the suspender body, so that the stability and reliability of the utility model during use can be improved.

[0018] In summary, the utility model discloses rational structure, convenient to use, high safety, the strength of first pumping polished rod limiting mechanism and second pumping polished rod limiting mechanism in the utility model is high and stress performance is good, can effectively improve the service life of the utility model, and first pumping polished rod limiting mechanism and second pumping polished rod play double limiting effect, can maximum degree avoid the emergence pumping polished rod bending, pumping polished rod deflection operation occurs, can improve the stability and safety of pumping unit operation, and then can effectively improve oil production efficiency and reduce maintenance cost. The utility model is suitable for using when connecting the rope and pumping polished rod of pumping unit. BRIEF DESCRIPTION OF DRAWINGS

[0019] The utility model will be described in further detail below in combination with the drawings and specific embodiments.

[0020] Figure 1 It is the structure schematic drawing of embodiment of the utility model;

[0021] Figure 2 It is the structure schematic drawing of another angle of embodiment of the utility model;

[0022] Figure 3 It is the plan view of embodiment of the utility model;

[0023] Figure 4 It is the structure schematic drawing of the rope hanger body, installation slot and sling placing slot in the utility model;

[0024] Figure 5 It is the structure schematic drawing of second pumping polished rod limiting mechanism in the utility model;

[0025] Figure 6 It is the structure schematic drawing of handle in the utility model;

[0026] In the drawing: 1, rope hanger body;

[0027] 2, installation slot; 21, first U-shaped groove body; 22, second U-shaped groove body; 23, rectangular groove body;

[0028] 3, first pumping polished rod limiting mechanism;

[0029] 4, handle; 41, handle shell; 42, connecting rod; 43, piston; 44, elastic member;

[0030] 5, sliding groove;

[0031] 6, second pumping polished rod limiting mechanism; 61, first installation plate; 62, second limiting block; 63, first arc-shaped recess;

[0032] 7, sling placing slot; 8, sling limiting mechanism; 9, sensor limiting member. DETAILED DESCRIPTION

[0033] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and understand the present invention and are not intended to limit the present invention.

[0034] Example 1 A rope hanger for an oil pumping unit

[0035] like Figures 1 to 3 As shown, this embodiment includes a suspension rope body 1, which is provided with a mounting groove 2 for the oil pumping unit's oil pumping rod to be inserted from the side, and a first oil pumping rod limiting mechanism 3 for limiting the oil pumping rod is provided in the mounting groove 2 for positioning and rotating. A second oil pumping rod limiting mechanism 6 for supplementary limiting the oil pumping rod is detachably connected to a position on the suspension rope body 1 corresponding to the lateral opening of the mounting groove 2, and a rope placement groove 7 for the rope pumping unit's rope to be inserted from the side is provided on each of the two side surfaces on the suspension rope body 1 located on both sides of the mounting groove 2. A rope limiting mechanism 8 is detachably connected to each of the positions on the suspension rope body 1 corresponding to the two rope placement grooves 7.

[0036] The first oil pumping polished rod limiting mechanism 3 comprises a first limiting block which is rotatably positioned in the mounting groove 2, a U-shaped groove member provided on the first limiting block, and a handle 4 which is fixed on the first limiting block and slidably connected to the rope hanger body 1. Specifically, Figure 4 As shown, in this embodiment, the mounting groove 2 includes a first U-shaped groove body 21 provided on the rope suspension body 1, a second U-shaped groove body 22 provided on the first U-shaped groove body 21, and a rectangular groove body 23 connected to the second U-shaped groove body 22. The first U-shaped groove body 21 is located above the second U-shaped groove body 22. The size of the second U-shaped groove body 22 is smaller than that of the first U-shaped groove body 21 so that a plane for supporting the first limit block is formed at the intersection of the first U-shaped groove body 21 and the second U-shaped groove body 22. The first limit block is a cylindrical block. The first limit block can be positioned and rotated in the first U-shaped groove body 21 in the mounting groove 2. The side of the rope suspension body 1 opposite to the second rectangular groove is an arc-shaped side. A sliding groove 5 for sliding the handle 4 is provided on the arc-shaped side. The sliding groove 5 is a long arc-shaped groove. As shown Figure 6As shown, the handle 4 includes a handle shell 41 and a connecting rod 42 which is slidingly connected in the handle shell 41 by a piston 43, and the connecting rod 42 is fixedly connected with the bottom of the cavity in the handle shell 41 by an elastic member 44 at one end close to the bottom of the cavity in the handle shell 41, wherein the handle shell 41 is a circular shell, the connecting rod 42 is a circular rod, the elastic member 44 is a spring, the outer side of the connecting rod 42 is fixedly provided with the piston 43, the piston 43 is a hollow cylindrical member made of rubber material, the piston 43 on the connecting rod 42 is slidingly connected in the cavity of the handle shell 41, the front end of the connecting rod 42 is fixedly provided on the first limiting block, the connecting rod 42 is provided on the sliding groove 5, the size of the connecting rod 42 is matched with the size of the sliding groove 5 so that the connecting rod 42 can slide on the sliding groove 5, and it is to be noted that a larger force is required to make the connecting rod 42 slide on the sliding groove 5, and the size of the circular section in the handle shell 41 is larger than the size of the circular section in the connecting rod 42 so that the handle shell 41 can be abutted on the position of the sliding groove 5 periphery of the rope hanger body 1 under the action of the spring.

[0037] As shown, Figure 5 The second pumping beam limiting mechanism 6 includes a first mounting plate 61 and a second limiting block 62 which is vertically fixed on the first mounting plate 61 and located in the installation groove 2, and the second limiting block 62 is provided with a first arc-shaped groove 63. Specifically, in this embodiment, the first mounting plate 61 is a rectangular plate, the second limiting block 62 is a rectangular block, the first mounting plate 61 is fixedly connected on the rectangular groove 23 in the installation groove 2 of the rope hanger body 1 by bolts, the second limiting block 62 is inserted in the second U-shaped groove 22 in the installation groove 2, and the side of the second limiting block 62 away from the first mounting plate 61 is provided with the first arc-shaped groove 63, which forms a closed supplementary limiting space with the installation groove 2 for supplementary limiting of the pumping beam, and it is to be noted that the second pumping beam limiting mechanism 6 cannot affect the normal use of the first pumping beam limiting mechanism 3 after installation.

[0038] The rope limiting mechanism 8 includes a second mounting plate and a third limiting block which is vertically fixed on the second mounting plate and located in the rope placing groove 7, and the third limiting block is provided with a second arc-shaped groove. Specifically, in this embodiment, the two rope placing grooves 7 on the rope hanger body 1 are both third U-shaped grooves, the second mounting plate is a rectangular plate, the third limiting block is a rectangular block, the second mounting plate is fixed on the side of the rope hanger body 1 where the opening of the rope placing groove 7 is located by bolts, the third limiting block is inserted in the rope placing groove 7, and the side of the third limiting block away from the second mounting plate is provided with the second arc-shaped groove, and the space formed between the second arc-shaped groove and the rope placing groove 7 is matched with the rope so that the rope can be stably limited in the space.

[0039] In order to improve the practicability of the present embodiment, the present embodiment is provided with a sensor limiting member 9 for limiting the load sensor in the pumping unit at the top of the hanger body 1 on both sides of the installation groove 2, the distance between the two sensor limiting members 9 is adapted to the size of the short side of the load sensor so that the load sensor can be clamped between the two sensor limiting members 9, wherein the sensor limiting member 9 is a rectangular plate, and after the load sensor is placed between the two rectangular plates, the two rectangular plates can be tightly pressed on the load sensor to form lateral limiting of the load sensor.

[0040] When using the present embodiment, first, the second pumping rod limiting mechanism 6 is detached from the hanger body 1, the handle 4 is pulled outward and rotated to make the U-shaped groove member in the first limiting block rotate to the same direction as the opening direction of the installation groove 2, at this time, the pumping rod is inserted into the U-shaped groove member in the first limiting block from the opening of the installation groove 2, then the handle 4 is pulled outward and rotated to make the opening of the U-shaped groove member in the first limiting block rotate to the position where the side of the installation groove 2 is completely closed, then the second pumping rod limiting mechanism 6 is installed on the hanger body 1 again. Then, the two rope limiting mechanisms 8 are detached from the hanger body 1 respectively, then the ropes are inserted into the rope placing groove 7 respectively, and finally the rope limiting mechanism 8 is installed on the hanger body 1 and the rope is fixed on the hanger body 1.

[0041] It should be noted that the above only describes the preferred embodiments of the present application, and is not intended to limit the present application, although the above embodiments are described in detail, those skilled in the art can still modify the technical solutions recorded in the above embodiments, or make equivalent replacement for part of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A rope hanger for use in a pumping unit, comprising a rope hanger body, characterized by: The suspension rope device body is provided with an installation slot for laterally inserting an oil pumping rod in an oil pumping machine, a first oil pumping rod limiting mechanism for limiting the oil pumping rod is positioned and rotatably arranged in the installation slot, a second oil pumping rod limiting mechanism for supplementally limiting the oil pumping rod is detachably connected to the position corresponding to the lateral opening of the installation slot on the suspension rope device body, and each of the two side surfaces of the suspension rope device body located on both sides of the installation slot is provided with a hanging rope placing slot for laterally inserting a hanging rope in the oil pumping machine, and each of the positions corresponding to the two hanging rope placing slots on the suspension rope device body is detachably connected with a hanging rope limiting mechanism.

2. A rope hanger for use in a pumping unit as defined in claim 1, wherein: The first oil pumping rod limiting mechanism comprises a first limiting block positioned and rotatably arranged in the installation slot, a U-shaped slot member arranged on the first limiting block, and a handle fixedly arranged on the first limiting block and slidably connected to the suspension rope device body.

3. A rope hanger for use in a pumping unit as defined in claim 2, wherein: The handle comprises a handle shell and a connecting rod slidably connected in the handle shell through a piston, and one end of the connecting rod close to the bottom of the hollow cavity in the handle shell is fixedly connected together with the bottom of the hollow cavity in the handle shell through an elastic member.

4. A rope hanger for use in a pumping unit as defined in claim 3, wherein: The second oil pumping rod limiting mechanism comprises a first installation plate and a second limiting block vertically fixedly arranged on the first installation plate and located in the installation slot, and the second limiting block is provided with a first arc-shaped groove.

5. A rope hanger for use in a pumping unit as defined in claim 4, wherein: The hanging rope limiting mechanism comprises a second installation plate and a third limiting block vertically fixedly arranged on the second installation plate and located in the hanging rope placing slot, and the third limiting block is provided with a second arc-shaped groove.

6. The rope hanger for use in a pumping unit according to any one of claims 1 to 5, wherein: The top of the suspension rope device body is fixedly provided with a sensor limiting member for limiting a load sensor in the oil pumping machine at the position located on both sides of the installation slot, and the distance between the two sensor limiting members is matched with the size of the short side of the load sensor so that the load sensor can be clamped between the two sensor limiting members.

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