Foundation screw anti-loosening combined tool and oil pumping unit

Abstract

The utility model discloses a foundation screw anti-loosening combination tool and a pumping unit, the combination tool comprises a bolt, the lower end of the bolt is provided with a fixed boss and a dust shield from bottom to top; the fixing boss is provided with a connecting hole, and the dust blocking cover can prevent dust from entering the connecting hole. The oil pumping unit screw is simple in structure and convenient to use, installation operation is consistent with basic screw replacement, dust prevention protection of related parts is assisted, the stability and maintenance convenience of equipment are improved, the labor intensity of maintenance work of staff is reduced, stable operation of an oil pumping unit is achieved, the service life of the screw is prolonged, and the time efficiency of an oil well is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to pumping unit technical field, concretely is a foundation screw anti loosening combination tool and pumping unit. BACKGROUND

[0002] The beam pumping unit due to the partial unevenness of the bottom soil foundation or the damage of the embedded part for fixing in the cement foundation, the uneven stress of the foundation screw is caused, and the frequent loosening of the foundation screw affects the stable operation of the pumping unit. The measures currently taken mainly include reassembling the pumping unit, replacing the cement foundation and daily inspection and tightening. Reassembling the pumping unit and replacing the cement foundation not only increase the workload and cost, but also have different treatment effects, and the subsidence of the soil foundation still continues to occur, causing the repeated loosening of the foundation screw, and the treatment space is large. Daily inspection and tightening can only solve the screw loosening at that time, and the screw will return to the original state after a period of operation, which cannot fundamentally solve the screw loosening problem.

[0003] Publication No. CN113389796B discloses a foundation bolt, which comprises a bottom plate, a support plate connected to the upper end of the bottom plate, a threaded column installed at the rear end of the support plate of the upper end of the bottom plate, a fixed nut provided on the upper end outer surface of the threaded column, an anti-loosening nut provided below the fixed nut of the outer side of the threaded column, a pad plate provided below the anti-loosening nut of the outer side of the threaded column, a pressure device provided below the pad plate, and a rotating piece connected to one end of the fixed nut.

[0004] The prior art does not provide a dust cover, and dust cannot be prevented from entering the connecting hole during installation.

[0005] Publication No. CN115978072A discloses a general anti-loosening and anti-backout bolt and nut for existing standard parts, wherein the bolt is provided with one or more bolt grooves of different shapes and lengths on the outer surface in the axial direction; and the nut is provided with one or more grooves or annular grooves of different shapes on the nut radial end face in the axial direction of the nut. The bolt and nut with the bolt grooves (2) can be locked at any position and are suitable for replacing existing standard threaded connections and fasteners.

[0006] The prior art does not provide a dust cover, and dust cannot be prevented from entering the connecting hole during installation.

[0007] The utility model discloses a kind of reinforced bolt anticorrosion protection devices, including protective cover, protective cover one end opening to supply bolt and nut screw rod enter, the other end of the protective cover is closed;The protective cover is double-layer or double-layer above structure, the layers of the protective cover from outside to inside are sequentially connected by corresponding connecting web;The inner wall of the innermost layer of the protective cover is provided with the internal thread structure matched with the bolt;The top of the protective cover is hemispherical shell structure;The outer surface of the outermost layer of the protective cover is provided with anti-theft structure;The anti-theft structure includes a plurality of anti-theft convex strips and / or anti-theft grooves distributed on the outermost layer of the protective cover in circumferential direction, and the anti-theft convex strips and / or anti-theft grooves are arranged along up and down.

[0008] The prior art does not provide a dust cover, and dust cannot be prevented from entering the connecting hole during installation.

[0009] In summary, the technical solutions of the above disclosed technologies and the technical problems to be solved and the beneficial effects generated are different from those of the present utility model. The above disclosed technology documents do not provide technical inspiration for more technical features and technical problems to be solved and beneficial effects of the present utility model. Utility model content

[0010] In view of the above-mentioned defects of the prior art, the utility model provides a foundation screw anti-loosening combination tool and an oil pumping machine.

[0011] To achieve the above-mentioned purpose, the utility model adopts the following technical solutions:

[0012] On the one hand, the utility model provides a foundation screw anti-loosening combination tool, which comprises a bolt, a fixed boss and a dust cover are arranged on the lower end of the bolt from bottom to top.

[0013] Further, a lower threaded section is arranged on the lower end of the bolt,

[0014] Specifically, the dust cover is umbrella-shaped, and the dust cover is provided with an eccentric threaded hole, and the eccentric threaded hole is connected with the lower threaded section.

[0015] Further, the dust cover is provided with a cutout, and the cutout is located on one side of the dust cover where the eccentric threaded hole is arranged.

[0016] Further, the cutout is a straight cutout, and the distance between the cutout and the eccentric threaded hole is less than the distance between the connecting hole on the fixed boss and the central axis of the bolt.

[0017] Further, an upper threaded section is arranged on the upper end of the bolt, a lock-tight assembly and a thread protection cap are connected with the upper threaded section, and the thread protection cap covers the upper threaded section part above the lock-tight assembly.

[0018] Further, the anti-loose locking assembly comprises a nut and an anti-loose washer, and the anti-loose washer is provided with a wedge-shaped tooth on an end face.

[0019] Further, the soil taking tool comprises an upper connecting rod and a lower connecting pipe.

[0020] In particular, the upper connecting rod is provided with a handle on an upper end, and the lower connecting pipe is provided with a soil shoveling plate on a lower end.

[0021] In particular, the upper connecting rod and the lower connecting pipe are connected in a plug-in mode.

[0022] In a second aspect, the utility model provides a pumping unit, including one aspect the basic screw anti-loosening combination tool.

[0023] Compared with the prior art, the utility model has the following beneficial effects:

[0024] The utility model has the advantages of simple structure, convenient use, consistent installation operation and replacement of basic screws, lubrication and dustproof protection of related parts, improved stability of equipment and convenience of maintenance, reduced labor intensity of staff maintenance, realized stable operation of the pumping unit, prolonged service life of the screw, and improved time rate and timeliness of the oil well. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 is the structural schematic diagram of the basic screw anti-loosening combination tool of the utility model;

[0026] Figure 2 is the structural schematic diagram of the dust cover in the utility model;

[0027] Figure 3 is the structural schematic diagram of the soil taking tool in the utility model;

[0028] Figure 4 is the application schematic diagram of the utility model.

[0029] In the drawing: fixed boss 1; dust cover 2; eccentric threaded hole 2.1; cutout 2.2; anti-loose locking assembly 3; nut 3.1; anti-loose washer 3.2; thread protection cap 4; bolt 5; upper threaded section 5.1; lower threaded section 5.2; upper connecting rod 6; handle 6.1; lower connecting pipe 7; soil shoveling plate 7.1; pumping unit H steel 8; embedded part 9; basic counterbore 10. DETAILED DESCRIPTION

[0030] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described, obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0031] Embodiment 1:

[0032] Please refer to Figures 1 to 2 The basic screw anti-loosening combined tool provided in the embodiment comprises a bolt 5, an upper threaded section 5.1 is arranged at the upper end of the bolt 5, a lower threaded section 5.2 is arranged at the lower end of the bolt 5, the upper threaded section 5.1 is connected with an anti-loosening locking assembly 3 and a thread protection cap 4, and the lower threaded section 5.2 is connected with a dust shield 2 and a fixing boss 1.

[0033] Specifically, the anti-loosening locking assembly 3 comprises a nut 3.1 and an anti-loosening washer 3.2, a wedge-shaped tooth is arranged on the end face of the anti-loosening washer 3.2; the anti-loosening washer 3.2 is selected to replace a flat washer, and a geometric structure instead of friction is used to prevent the bolt 5 from loosening due to vibration, so that the anti-loosening washer 3.2 is used together with the nut 3.1 to fix the upper part of the basic screw.

[0034] Specifically, the thread protection cap 4 covers the upper threaded section 5.1 part above the nut 3.1, the thread protection cap 4 plays a role in shielding dust on the thread of the upper threaded section 5.1, maintains the lubricating effect for a long time, and plays an auxiliary protection role.

[0035] Specifically, the dust shield 2 is umbrella-shaped, the dust shield 2 is provided with an eccentric threaded hole 2.1, the eccentric threaded hole 2.1 is connected with the lower threaded section 5.2, the dust shield 2 is provided with a cutout 2.2, and the cutout 2.2 is located on one side of the dust shield 2 provided with the eccentric threaded hole 2.1; the dust shield 2 prevents dust and sundries from entering the connecting hole of the fixing boss 1 to occupy the space required for screw fixing, and plays an auxiliary protection role.

[0036] Specifically, the fixing boss 1 is provided with a connecting hole for connecting a pre-buried part 9.

[0037] Specifically, the cutout 2.2 is a straight cutout, the distance between the cutout 2.2 and the eccentric threaded hole 2.1 is less than the distance between the connecting hole on the fixing boss 1 and the central axis of the bolt 5, so that more than half of the connecting hole to be installed is exposed, and the operation is facilitated.

[0038] The dust cover 2 is provided with an eccentric threaded hole 2.1 and a cutout 2.2. By rotating the dust cover 2, the cutout 2.2 is moved above the connecting hole to be fixed, so as to facilitate the connection of the fixing boss 1 and the embedded part 9. The dust cover 2 prevents dust from entering other unfixed connecting holes during installation.

[0039] The cutout 2.2 is arranged to optimize the covering state of the dust cover 2 on the connecting hole, so that the dust cover 2 can fully cover the unfixed connecting hole.

[0040] Specifically, the fixing boss is increased from 80 mm to 140 mm; the thickness of the two sides is increased from 20 mm to 25 mm, and the thickness of the middle part is increased from 30 mm to 35 mm, so as to increase the contact area of the base screw and the embedded part, enhance the tensile strength, and make the cooperation more stable.

[0041] The base screw assembly is structurally modified to achieve effective tensioning.

[0042] Embodiment 2:

[0043] In combination Figure 3 On the basis of embodiment 1, a soil taking tool is further included, which comprises an upper connecting rod 6 and a lower connecting pipe 7. The upper connecting rod 6 is welded with a handle 6.1 at the upper end, and the lower connecting pipe 7 is welded with a soil shoveling plate 7.1 at the lower end. The upper connecting rod 6 and the lower connecting pipe 7 are connected in a plug-in manner. By preparing a plurality of lower connecting pipes 7 provided with soil shoveling plates 7.1 of different sizes, the fast cleaning of foundation sink holes of different sizes is realized.

[0044] The foundation sink hole is easy to enter soil and sundries, which limits the fixing space of the screw. The soil taking tool is used to expand the installation space and facilitate operation.

[0045] Embodiment 3:

[0046] In combination Figure 4 On the basis of embodiment 2, a use method of the base screw anti-loosening combination tool is provided, which comprises the following steps:

[0047] The soil in the oil pumping unit foundation sink hole 10 is removed by using the soil taking tool;

[0048] The bolt 5 is passed through the fixing hole of the oil pumping unit I-beam 8, and the lower threaded section 5.2 is sequentially connected with the dust cover 2 and the fixing boss 1. The fixing boss 1 is placed on the embedded part 9, the hole position is aligned, the dust cover 2 is rotated, and the connecting hole on the fixing boss 1 is sequentially fixed with the embedded part 9.

[0049] The nut 3.1 and the anti-loosening washer 3.2 are sleeved into the upper threaded section 5.1, the nut 3.1 is locked, and the thread protection cap 4 is connected to the upper threaded section 5.1.

[0050] The combination tool is applied to the production site of the oilfield beam pumping unit, and mainly solves the problem of frequent loosening of the screw of the pumping unit foundation.

[0051] In the present application, the parts not discussed in detail, the connection mode of each part in the present application, all belong to the known technology in the technical field. Direct application can be used, and no further description is needed.

[0052] In the present application, the term "a plurality of" refers to two or more, unless otherwise explicitly limited. The terms "mounting", "connecting", "connecting", "fixing" and the like should be understood in a broad sense, for example, "connecting" can be fixed connection, or detachable connection, or integrally connected; "connected" can be directly connected, or indirectly connected through an intermediate medium. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0053] In the description of the present application, it should be understood that the terms "upper", "lower", "left", "right", "front", "back" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or units referred to must have a particular direction, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the present application.

[0054] In the description of the present application, the terms "one embodiment", "some embodiments", "specific embodiments" and the like mean that the specific features, structures, materials or characteristics described in conjunction with the embodiments or examples are included in at least one embodiment or example of the present application. In the present application, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0055] The above is only the preferred embodiment of the present application, and is not used to limit the present application. For those skilled in the art, the present application can have various changes and variations. 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 base screw anti-loosening combination tool comprising a bolt, characterized by, The lower end of the bolt is provided with a fixed boss and a dust cover from bottom to top; The fixed boss is provided with a connecting hole, and the dust cover can prevent dust from entering the connecting hole; The lower end of the bolt is provided with a lower threaded section; The dust cover is umbrella-shaped, and is provided with an eccentric threaded hole connected with the lower threaded section; The dust cover is provided with a cutout on one side of the eccentric threaded hole.

2. The base screw anti-loosening combination tool according to claim 1, wherein The cutout is a straight cutout, and the distance between the cutout and the eccentric threaded hole is less than the distance between the connecting hole on the fixed boss and the central axis of the bolt.

3. The base screw anti-loosening combination tool according to claim 1, wherein The upper end of the bolt is provided with an upper threaded section connected with a lock-tight assembly and a thread protection cap, and the thread protection cap covers the upper threaded section above the lock-tight assembly.

4. The base screw anti-loosening combination tool according to claim 3, wherein The lock-tight assembly includes a nut and a lock washer, and the end face of the lock washer is provided with a wedge-shaped tooth.

5. The base screw anti-loosening combination tool according to claim 1, wherein It also includes a soil taking tool, which includes an upper connecting rod and a lower connecting pipe; The upper end of the upper connecting rod is provided with a handle, and the lower end of the lower connecting pipe is provided with a soil shoveling plate; The upper connecting rod and the lower connecting pipe are connected in a plug-in manner.

6. A pumping unit characterized by, The application relates to a foundation bolt anti-loosening combined tool.

Images