Pumping unit polish rod clamp

Abstract

Clamping plate grooves are formed between an arc-shaped groove fixing part and a first pin shaft connecting part and between a round hole fixing part and a second pin shaft fixing part, the upper side and the lower side of each clamping plate groove do not extend to the edge of the first fixing part or the edge of the second fixing part, and a through round hole is formed in each clamping plate groove. According to the sucker rod clamping buckle, the clamping plate is fixed through a miniature bolt structure, the clamping plate can be stably matched with the inner side of the clamping buckle, a sucker rod can be conveniently fixed, after the sucker rod is abraded, the sucker rod can be clamped in the clamping buckle, and the sucker rod can be clamped in the clamping buckle, so that the sucker rod can be prevented from being damaged, and the service life of the sucker rod can be prolonged, and the service life of the sucker rod can be prolonged. Only the clamping plate needs to be replaced, the whole buckle does not need to be replaced, and the accessory cost is saved.

Description

Technical Field

[0001] The utility model belongs to the technical field of oil pumping unit polished rod cards, in particular to an oil pumping unit polished rod card. Background Art

[0002] When replacing accessories (such as rope braids) of the pumping unit equipment, the sucker rod is locked to prevent it from sliding down. The original clip has a tooth block inside it, but due to the wear on the inside, the clip needs to be replaced frequently. In order to save costs, a clip that can only replace the tooth block part is designed to meet the needs of fixing the sucker rod and effectively save the cost of accessories. Utility Model Content

[0003] In order to solve the problems existing in the prior art, the utility model provides a kind of pumping unit bare rod clamp which fixes the clamping plate by means of a micro bolt structure, so that the clamping plate can be firmly fitted on the inner side of the buckle, thereby facilitating the fixation of the sucker rod. When the clamping plate is worn, only the clamping plate needs to be replaced without replacing the entire buckle, thus saving the cost of accessories.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a pumping unit bare rod clamp, including a clamp of a clamping hoop structure, the clamp including two groups of first fixing parts and second fixing parts, the first fixing part and the second fixing part are movably connected through a first pin shaft connecting part, a second pin shaft fixing part and a pin shaft, and the outer sides of the first pin shaft connecting part and the second pin shaft fixing part are respectively provided with an arc groove fixing part and a circular hole fixing part, and a transversely arranged convex groove is provided between the arc groove fixing part, the first pin shaft connecting part, and between the circular hole fixing part and the second pin shaft fixing part, a card plate groove is provided between the arc groove fixing part, the first pin shaft connecting part, and between the circular hole fixing part and the second pin shaft fixing part, and the upper and lower sides of the card plate groove do not extend to the edge of the first fixing part or the second fixing part, a penetrating circular hole is provided on the card plate groove, a card plate is provided in the card plate groove, and an elliptical hole matching the circular hole is provided on the surface of the card plate, and a transversely arranged convex card strip is provided on the inner surface of the card plate.

[0005] Preferably, the cross-section of the raised clip strip is a right-angled triangle structure, and the horizontal and vertical sides are arranged as right-angled sides.

[0006] Compared with the prior art, the beneficial effects of the utility model are:

[0007] The clamping plate is fixed by a micro bolt structure, so that it can be firmly fitted on the inner side of the buckle, which is convenient for fixing the sucker rod. When it is worn, only the clamping plate needs to be replaced without replacing the entire buckle, thus saving the cost of accessories. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] Figure 1 This is a schematic diagram of the buckle structure of a new model of the utility model.

[0009] Figure 2 This is a schematic diagram of the structure of the card board of the utility model.

[0010] Figure 3 This is a schematic diagram of the buckle structure of the old model of the utility model.

[0011] In the figure: 1 first fixing part, 11 arc groove fixing part, 12 first pin shaft connecting part, 13 round hole, 14 clamping plate groove, 2 second fixing part, 21 round hole fixing part, 22 second pin shaft fixing part, 3 clamping plate, 31 elliptical hole, 32 raised clamping strip. DETAILED DESCRIPTION

[0012] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0013] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention. Example

[0014] See attached Figure 1-3As shown, a pumping unit polished rod clamp includes a clamp of a hoop structure, the clamp includes two groups of first fixing parts 1 and second fixing parts 2, the first fixing parts 1 and second fixing parts 2 are movably connected through a first pin shaft connecting part 12, a second pin shaft fixing part 22 and a pin shaft, and an arc groove fixing part 11 and a round hole fixing part 21 are respectively arranged on the outer sides of the first pin shaft connecting part 12 and the second pin shaft fixing part 22, and a transversely arranged convex groove is arranged between the arc groove fixing part 11 and the first pin shaft connecting part 12 and between the round hole fixing part 21 and the second pin shaft fixing part 22, the arc groove A card plate groove 14 is provided between the fixing portion 11 and the first pin shaft connecting portion 12 and between the circular hole fixing portion 21 and the second pin shaft fixing portion 22, and the upper and lower sides of the card plate groove 14 do not extend to the edge of the first fixing portion 1 or the second fixing portion 2, and a penetrating circular hole 13 is provided on the card plate groove 14, a card plate 3 is provided in the card plate groove 14, and an elliptical hole 13 adapted to the circular hole 13 is provided on the surface of the card plate 3, and a transversely arranged raised card strip 32 is provided on the inner surface of the card plate 3, and the cross-section of the raised card strip 32 is a right-angled triangle structure, and the transverse and longitudinal sides are arranged as right-angled sides.

[0015] Working principle: Compared with the original integrated buckle, a card plate groove 14 is opened on its inner side, so that the card plate 3 is set with it and fixed by a micro bolt structure, which can be firmly adapted to the inner side of the buckle, so as to facilitate the fixation of the sucker rod. After it is worn, only the card plate 3 needs to be replaced, and there is no need to replace the entire buckle, thus saving the cost of accessories.

[0016] The above shows and describes the basic principles and main features of the utility model and the advantages of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and the utility model can be implemented in other specific forms without departing from the spirit or basic features of the utility model; therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is limited by the attached claims rather than the above description. Therefore, it is intended to include all changes within the meaning and scope of the equivalent elements of the claims in the utility model, and any figure marks in the claims should not be regarded as limiting the claims involved.

[0017] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A pumping unit polished rod clamp, comprising a clamp of a hoop structure, the clamp comprising two groups of first fixing parts and second fixing parts, the first fixing parts and the second fixing parts are movably connected through a first pin shaft connection part, a second pin shaft fixing part and a pin shaft, and an arc groove fixing part and a round hole fixing part are respectively arranged on the outer sides of the first pin shaft connection part and the second pin shaft fixing part, and a transversely arranged convex groove is arranged between the arc groove fixing part and the first pin shaft connection part and between the round hole fixing part and the second pin shaft fixing part, characterized in that: A card plate groove is provided between the arc groove fixing part and the first pin shaft connecting part and between the circular hole fixing part and the second pin shaft fixing part, and the upper and lower sides of the card plate groove do not extend to the edge of the first fixing part or the second fixing part, a penetrating circular hole is provided on the card plate groove, a card plate is provided in the card plate groove, and an elliptical hole matching the circular hole is provided on the surface of the card plate, and a transversely arranged raised card strip is provided on the inner surface of the card plate.

2. The polished rod card of a pumping unit according to claim 1, characterized in that: The cross section of the raised clip strip is a right-angled triangle structure, and the horizontal and vertical sides are arranged as right-angled sides.

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