CN219412502U - Loading counterweight device of power tap - Google Patents

Abstract

The utility model discloses a loading counterweight device of a power tap, which relates to the technical field of petroleum drilling equipment, wherein a tap body and a mandrel are connected with the lower end part of a central tube of the tap body in a threaded manner, side counterweight blocks are fixedly arranged on two sides of a lifting ring pin of the tap body respectively, an axial counterweight block is arranged on the mandrel in a penetrating manner, and two ends of the axial counterweight block are kept in relative motion with the mandrel through bearings. The loading counterweight device structure of the power tap utilizes the structural characteristics of the power tap, and the counterweight is simple and convenient, safe and reliable; the balance weight adopts the balance weight at two sides of the water tap and the lower axial balance weight, the lower balance weight structure only rotates the mandrel, the balance weight does not rotate, the inertia caused by the balance weight is eliminated, and the balance weight has better balance.

Description

Loading counterweight device of power tap

Technical Field

The utility model relates to the technical field of petroleum drilling equipment, in particular to a loading counterweight device of a power tap.

Background

The power tap is a well repairing tool, at present, the well repairing operation has a certain number of directional wells and horizontal wells, the horizontal section of the well hole is longer, the operation can not be put into the well by the self weight of the drilling tool, and the weight is required to be increased on the vertical section at the upper part of the drilling tool so as to force the drilling tool to normally put into the horizontal section and directly reach the bottom of the well.

Accordingly, the present application proposes a loading counterweight device for a power faucet.

Disclosure of Invention

The present utility model addresses one or more of the above-identified problems by providing a load balancing device for a power faucet.

According to a first aspect of the present utility model, there is provided a load balancing device for a power tap: the faucet comprises a faucet body and a mandrel, wherein the lower end part of a central tube of the faucet body is in threaded connection with the mandrel, side balancing weights are fixedly arranged on two sides of a lifting ring pin of the faucet body respectively, an axial balancing weight is arranged on the mandrel in a penetrating mode, and two ends of the axial balancing weight are kept in relative motion with the mandrel through bearings.

As an achievable preferred mode, the two sides of the lifting ring pin of the faucet body are provided with supporting sleeves, the two side balancing weights are respectively and symmetrically supported on the corresponding supporting sleeves, and the two side balancing weights are respectively fixed on the shell of the faucet body through the L-shaped fixing frame and the plate-type fixing block.

As an achievable preferred mode, the axial balancing weight comprises a circular split balancing weight and an integral ring balancing weight, wherein the circular split balancing weight is kept in relative motion with the mandrel through a first bearing, and the integral ring balancing weight is kept in relative motion with the mandrel through a second bearing.

As an implementation preferred mode, the circular split balancing weight comprises a roll-shaped balancing weight and a semicircular balancing weight, the roll-shaped balancing weight and the semicircular balancing weight are fixed through connecting bolts, a bearing limiting sleeve is mounted at the upper end of the roll-shaped balancing weight to limit, and a bearing gland is arranged above the first bearing and used for fixing the first bearing.

As an achievable preferred mode, the device further comprises a thrust bearing, a transition ring and a supporting ring, wherein the transition ring is arranged below the second bearing, the upper half part of the thrust bearing is in contact connection with the lower plane of the transition ring, and the lower half part of the thrust bearing is in contact connection with the supporting ring.

As an achievable preferred mode, the screw rod is further provided with a positive buckle pull rod fixedly connected with the upper end of the screw rod, an ear seat is arranged at the other end of the positive buckle pull rod, the positive buckle pull rod penetrates through the ear seat through a pin shaft to be fixed on the side balancing weight, and the lower end of the screw rod is fixed on the axial balancing weight through a reverse buckle pull rod.

As an achievable preferred mode, a plurality of circular split balancing weights can be arranged, each circular split balancing weight is fixed into a whole through a connecting clamp, the connecting clamp comprises a semicircular clamp and a connecting bolt, and the connecting bolt is used for locking and fixing the semicircular clamp which surrounds a circle.

The beneficial effects of the utility model are as follows: the loading counterweight device structure of the power tap utilizes the structural characteristics of the power tap, and the counterweight is simple and convenient, safe and reliable; the balance weight adopts the balance weight at two sides of the water tap and the lower axial balance weight, the lower balance weight structure only rotates the mandrel, the balance weight does not rotate, the inertia caused by the balance weight is eliminated, and the balance weight has better balance.

Drawings

FIG. 1 is a schematic diagram of a load balancing device for a power faucet;

FIG. 2 is a schematic view of another angle of a loading counterweight device of a power faucet;

FIG. 3 is an enlarged schematic view of the structure of FIG. 1A;

FIG. 4 is an enlarged schematic view of the structure of FIG. 2B;

fig. 5 is an enlarged schematic view of the structure of fig. 2C.

Specific embodiments of the present disclosure have been shown by way of the above drawings and will be described in more detail below. These drawings and the written description are not intended to limit the scope of the disclosed concepts in any way, but rather to illustrate the disclosed concepts to those skilled in the art by reference to specific embodiments.

Detailed Description

The application technical scheme is further described in detail below with reference to the accompanying drawings.

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Some embodiments of the present utility model are described in detail below with reference to the accompanying drawings. In the case of non-conflict, the following embodiments and features of the embodiments may be combined with each other, and some embodiments may not be repeated for the same or similar concepts or processes.

The following description of the embodiments is not intended to limit the preferred embodiments.

Fig. 1 is a block diagram of a loading weight device of a power tap according to an exemplary embodiment, as shown, a loading weight device of a power tap, comprising: the faucet comprises a faucet body 1 and a mandrel 4, wherein the lower end part of a central tube 3 of the faucet body 1 is in threaded connection with the mandrel 4, side balancing weights are fixedly arranged on two sides of a lifting ring pin 2 of the faucet body respectively, an axial balancing weight is arranged on the mandrel in a penetrating mode, and two ends of the axial balancing weight are kept in relative motion with the mandrel 4 through bearings. The two sides of the lifting ring pin of the tap body are provided with supporting sleeves, the two side balancing weights are respectively and symmetrically supported on the corresponding supporting sleeves, the supporting sleeves 25 are sleeved on the lifting ring pin 2 and are fixed with the tap body 1 through fixing screws 26, and the two side balancing weights are respectively fixed on the shell of the tap body 1 through an L-shaped fixing frame 23 and a plate-type fixing block 24. In the application, the lower part of a central tube 3 of a tap body 1 is in threaded buckling connection with a mandrel 4, and the lower part of the mandrel 4 is in threaded buckling connection with a transition short joint 10; the two connection parts are provided with anti-loosening clips 9 to prevent the connection thread buckles from loosening.

As shown in fig. 1-2, the female of the axial counterweight is to pass a circular split counterweight 6 and an integral circular ring counterweight 8 on the mandrel 4; two ends of each balancing weight are arranged on the bearing and can keep relative movement with the mandrel 4; the axial balancing weight comprises a circular split balancing weight 6 and an integral circular ring balancing weight 8, the circular split balancing weight is kept in relative motion with the mandrel 4 through a first bearing 6.3, and the integral circular ring balancing weight 8 is kept in relative motion with the mandrel 4 through a second bearing 8.1. The axial balancing weights can be provided with a plurality of balancing weights, each balancing weight is fixed into a whole through the connecting clamp 7, the connecting clamp 7 comprises a semicircular clamp 7.1 and a connecting bolt 7.2, and the connecting bolt 7.2 is used for locking and fixing the semicircular clamp 7.1 which is round.

As shown in fig. 4, the circular split balancing weight 6 includes a cylindrical balancing weight 6.4 and a semicircular balancing weight 6.5, the cylindrical balancing weight 6.4 and the semicircular balancing weight 6.5 are fixed by a connecting bolt 6.6, a bearing limit sleeve 6.1 is mounted at the upper end of the cylindrical balancing weight 6.4 for limiting, and a bearing gland 6.2 is arranged above the first bearing 6.3 for fixing the first bearing 6.3.

As shown in fig. 5, the integral ring balancing weight 8 is supported and fixed on the step of the mandrel 4 by a bearing 8.1, a transition ring 8.2, an outer seal cover 8.3, a thrust bearing 8.4, an inner seal cover 8.5 and a supporting ring 8.6, and the balancing weight is connected into a whole, specifically, the transition ring is arranged below the second bearing 8.1, the upper half part of the thrust bearing is in contact connection with the lower plane of the transition ring 8.2, and the lower half part of the thrust bearing is in contact connection with the supporting ring 8.6. The outside of the thrust bearing 8.4 is provided with an outer sealing cover 8.3 for protection. The inner seal cap 8.5 is arranged between the thrust bearing 8.4 and the support ring 8.6.

The utility model provides a loading counter weight device still includes hob 5, hob 5's upper end fixedly connected with just detains pull rod 5.4, just detains the pull rod 5.4 other end and is provided with ear seat 5.3, just detains pull rod 5.4 and passes ear seat 5.3 through round pin axle 5.2 and be fixed to the side balancing weight on, hob 5's lower extreme is fixed to the axial balancing weight through anti-buckle pull rod 5.6, flange pressure disk 5.7, the side balancing weight includes first side balancing weight 21 and second side balancing weight 22 to link into an integrated entity with the first side balancing weight 21 of both sides and second side balancing weight 22, and adjust its tensioning degree through rotating anti-detaining pull rod 5.6, make the axial balancing weight not receive the influence of dabber 4's rotation, keep static.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model. The foregoing are merely some embodiments of the utility model. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit of the utility model.

Claims (7)

1. The loading counterweight device of the power tap is characterized by comprising: tap body (1) and dabber (4), the lower tip and dabber (4) threaded connection of the center tube (3) of tap body (1), the both sides of the lift ring round pin (2) of tap body are respectively fixed to set up side balancing weight, the spindle is worn to be equipped with axial balancing weight, the both ends of axial balancing weight all through the bearing with dabber (4) keep relative motion.

2. The loading counterweight device of the power faucet according to claim 1, wherein supporting sleeves are arranged on two sides of a lifting ring pin of the faucet body, two side counterweight blocks are respectively and symmetrically supported on the corresponding supporting sleeves, and the two side counterweight blocks are respectively fixed on a shell of the faucet body (1) through an L-shaped fixing frame (23) and a plate-type fixing block (24).

3. The loading counterweight device of a power tap according to claim 1, characterized in that the axial counterweight comprises a circular split counterweight (6) and an integral circular ring counterweight (8), the circular split counterweight is kept in relative motion with the spindle (4) by a first bearing (6.3), and the integral circular ring counterweight (8) is kept in relative motion with the spindle (4) by a second bearing (8.1).

4. The loading counterweight device of the power faucet according to claim 3, wherein the circular split counterweight (6) comprises a drum-shaped counterweight (6.4) and a semicircular counterweight (6.5), the drum-shaped counterweight (6.4) and the semicircular counterweight (6.5) are fixed through a first connecting bolt (6.6), a bearing limiting sleeve (6.1) is arranged at the upper end part of the drum-shaped counterweight (6.4) for limiting, and a bearing gland (6.2) is arranged above the first bearing (6.3) for fixing the first bearing (6.3).

5. The loading counterweight device of a power tap according to claim 4, characterized by further comprising a thrust bearing (8.4), a transition ring (8.2), a support ring (8.6), the transition ring being arranged below the second bearing (8.1), the upper half of the thrust bearing being in contact with the lower plane of the transition ring (8.2), the lower half of the thrust bearing being in contact with the support ring (8.6).

6. The loading counterweight device of the power faucet according to claim 1, further comprising a screw rod (5), wherein the upper end of the screw rod (5) is fixedly connected with a positive buckling pull rod (5.4), the other end of the positive buckling pull rod (5.4) is provided with an ear seat (5.3), the positive buckling pull rod (5.4) passes through the ear seat (5.3) through a pin shaft (5.2) to be fixed on the side counterweight, and the lower end of the screw rod (5) is fixed on the axial counterweight through a negative buckling pull rod (5.6).

7. A power tap's loading counter weight device according to claim 3, characterized in that a plurality of circular split counter weights (6) can be provided, each circular split counter weight (6) is fixed into a whole by a connecting clamp (7), the connecting clamp (7) comprises a semicircular clamp (7.1) and a second connecting bolt (7.2), and the second connecting bolt (7.2) is used for locking and fixing the semicircular clamp (7.1) which is enclosed into a circle.