CN204941420U - Pumping well packing box gland supporting tool - Google Patents

Pumping well packing box gland supporting tool Download PDF

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Publication number
CN204941420U
CN204941420U CN201520582962.2U CN201520582962U CN204941420U CN 204941420 U CN204941420 U CN 204941420U CN 201520582962 U CN201520582962 U CN 201520582962U CN 204941420 U CN204941420 U CN 204941420U
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CN
China
Prior art keywords
slips sheet
supporting tool
slips
sheet
locking nut
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Application number
CN201520582962.2U
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Chinese (zh)
Inventor
王海涛
张海军
姜新红
金华
李海燕
李占平
吴国净
许丽纯
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Petrochina Co Ltd
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Petrochina Co Ltd
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Priority to CN201520582962.2U priority Critical patent/CN204941420U/en
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Abstract

The utility model discloses a pumping well packing box gland supporting tool belongs to beam-pumping unit machinery appurtenance technical field. This support tool is used for installing on pumping well wellhead polished rod, includes: the clamping device comprises a first clamping tile (1), a second clamping tile (2), a movable connecting mechanism (3), a screw (4) and a locking nut (5); the first clamping tile (1) and the second clamping tile (2) are semicircular, and the inner diameters of the first clamping tile (1) and the second clamping tile (2) are matched with the outer diameter of the polish rod; the first end (101) of the first card tile is connected with the first end (201) of the second card tile through a movable connecting mechanism (3); the external thread of the screw rod (4) is matched with the internal thread of the locking nut (5); the second end (102) of the first clamping piece and the second end (202) of the second clamping piece are connected with the screw rod (4) and the locking nut (5). This supporting tool can effectively prevent to change the gland of packing in-process packing box and press the cap to drop.

Description

A kind of packing box for pumping well gland supporting tool
Technical field
The utility model relates to oil pumper mechanical assistance technical field of tools, particularly a kind of packing box for pumping well gland supporting tool.
Background technology
In the manufacturing process of pumpingh well, changing well head packing is one of pumpingh well line service, and the well head particularly for packing oil leakage needs often to change.The operating process of current replacing packing is: after oil well stops well, the pressure cap of packing box and gland is disassembled and moves up along polished rod, utilizes iron wire or rope pressure cap and gland to be fixed, then change packing after moving to polished rod eye place.
Realizing in process of the present utility model, designer finds at least there is following problem in prior art: iron wire and rope easily rupture and cause pressure cap and gland to drop in replacing packing process, threaten to the personal safety of operating personnel.
Utility model content
For solving the problems of the technologies described above, the utility model provide a kind of easy to operate, prevent from changing the packing box for pumping well gland supporting tool that in packing process, gland and pressure cap drop.
Specifically, following technical scheme is comprised:
A kind of packing box for pumping well gland supporting tool, described supporting tool is for being arranged on pumping well head polished rod, and described supporting tool comprises: the first slips sheet, the second slips sheet, moving connecting mechanism, screw rod, locking nut; The shape of described first slips sheet and the second slips sheet is semi-circular shape, and the internal diameter of described first slips sheet and the second slips sheet matches with the external diameter of described polished rod; First slips sheet first end is connected by described moving connecting mechanism with the second slips sheet first end; The external screw thread of described screw rod and the internal thread of described locking nut are worked in coordination; First slips sheet second end is connected with described locking nut by described screw rod with the second slips sheet second end.
Further, described moving connecting mechanism is hinge; The hinge of described hinge is separately fixed at described first slips sheet first end and the second slips sheet first end.
Further, described first slips sheet second end and the second slips sheet second end are respectively arranged with lock nose, described screw rod, through described lock nose, makes described first slips sheet second end and the second slips sheet second end be connected by described locking nut and the cooperation of described screw rod.
Preferably, described locking nut is wing nut.
Further, described first slips sheet and the second slips plate inner surface are provided with screw thread.
Preferably, the external diameter of described first slips sheet and the second slips sheet is 55 ~ 65mm, and length is 35 ~ 45mm.
Preferably, the length of described hinge is 25 ~ 35mm.
Preferably, described screw rod is full flight screw.
The beneficial effect of the technical scheme that the utility model embodiment provides is:
The utility model embodiment provides a kind of packing box for pumping well gland supporting tool, when changing packing, after gland for packing box and pressure cap being raised, is fixed on by this supporting tool on the polished rod below gland for packing box to support gland and pressure cap prevents from dropping.This supporting tool structure is simple, easily processing, esy to use, safe and reliable, not only avoid potential safety hazard when changing packing, and shorten the time changing packing operation, increase work efficiency.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The top view of the packing box for pumping well gland supporting tool that Fig. 1 provides for the utility model embodiment;
Fig. 2 looks part sectioned view for the master of the packing box for pumping well gland supporting tool that the utility model embodiment provides.
Reference numeral in figure represents respectively:
1, the first slips sheet; 101, the first slips sheet first end; 102, the first slips sheet second end;
2, the second slips sheet; 201, the second slips sheet first end; 202, the second slips sheet second end;
3, moving connecting mechanism; 4, screw rod; 5, locking nut; 6, nose is locked.
Detailed description of the invention
For making the technical solution of the utility model and advantage clearly, below in conjunction with accompanying drawing, the utility model embodiment is described in further detail.
The utility model embodiment provides a kind of packing box for pumping well gland supporting tool, this supporting tool is for being arranged on pumping well head polished rod, see Fig. 1, and composition graphs 2, this supporting tool comprises: the first slips sheet 1, second slips sheet 2, moving connecting mechanism 3, screw rod 4 and locking nut 5; The shape of described first slips sheet 1 and the second slips sheet 2 is semi-circular shape, and described first slips sheet 1 and the second slips sheet 2 internal diameter match with the external diameter of described polished rod; First slips sheet first end 101 is connected by described moving connecting mechanism 3 with the second slips sheet first end 201; The external screw thread of described screw rod 4 and the internal thread of described locking nut 5 are worked in coordination; First slips sheet second end 102 is connected with described locking nut 5 by described screw rod 4 with the second slips sheet second end 202.
The operating principle of the packing box for pumping well gland supporting tool that the utility model embodiment provides is: connected by moving connecting mechanism 3 between the first slips sheet first end 101 and the second slips sheet first end 201, the size of folding angle between the first slips sheet second end 102 and the second slips sheet second end 202 can be regulated, be convenient to this supporting tool to be fixed on wellhead polish rod.The cylinder of the first slips sheet 1 and the second slips sheet 2 involutory rear formation hollow, the internal diameter of the hollow circular cylinder formed matches with the external diameter of polished rod, thus make this supporting tool be enclosed within polished rod, after first slips sheet second end 102 and the second slips sheet second end 202 being connected and fixed by the engagement of screw rod 4 and lock bolt 5 screw thread again, this supporting tool entirety is firmly arranged on polished rod.When packing changed by needs, first oil well is stopped to nearly lower dead point position brake power-off, close rubber valve emptying again, gland for packing box and pressure cap are dismantled and to move up along polished rod afterwards, after moving to suitable position, the supporting tool that the utility model embodiment provides be enclosed within the below of gland for packing box and locking nut 5 locked thus makes supporting tool be fixed on polished rod, support gland and the pressure cap of packing box, prevent from changing gland and pressure cap in packing process to drop, the safety of safeguard work personnel.This supporting tool structure is simple, easy to use, intensity is high, safe and reliable, not only avoid change packing time potential safety hazard, and shorten change packing operation time, increase work efficiency, alleviate the labour intensity of staff, shorten and stop the well time.The packing box for pumping well gland supporting tool that the utility model embodiment provides widely uses in North China Oilfield company two factory Cha Dong operation areas of recovering the oil, changing operating time of packing foreshortens to 20 minutes by 1 original hours, the use of this supporting tool also specification operation of staff when changing packing.
In above-mentioned supporting tool, the bindiny mechanism of what moving connecting mechanism 3 can adopt this area to commonly use can control the first slips sheet 1 and the second slips sheet 2 folding angle.Preferred employing hinge is as moving connecting mechanism 3.The two panels hinge of hinge is welded together with the first slips sheet first end 101 and the second slips sheet first end 201 respectively thus the first slips sheet first end 101 and the second slips sheet first end 201 are connected.Hinge adopts common door window hinge, and the length of hinge can be 25 ~ 35mm, preferred 30mm.
In above-mentioned supporting tool, lock nose 6 can be set respectively at the first slips sheet second end 102 and the second slips sheet second end 202, screw rod 4, through lock nose 6, makes the first slips sheet second end 102 and the second slips sheet second end 202 be connected and fixed after being tightened by locking nut 5.Shown in Fig. 1 is using nut as lock nose 6.It will be appreciated by persons skilled in the art that the concrete form of lock nose 6 is not limited only to nut, the lockhole on lock nose 6 can be common through hole.Particular determination is not made, this area routine techniques means to the concrete form of lock nose 6 in the embodiment of the present invention.
In above-mentioned supporting tool, locking nut 5 can be wing nut or common hex nut.Wing nut does not need other aids just can tighten compared with common hex nut, and be more convenient for operated by personnel, therefore locking nut 5 preferably wing nut.
In above-mentioned supporting tool, in order to increase the first slips sheet 1 and the frictional force between the second slips sheet 2 inner surface and polished rod external surface, prevent from changing this supporting tool in packing process to glide, screw thread can be set at the first slips sheet 1 and the second slips sheet 2 inner surface.The size of screw thread should match with the external diameter of polished rod, such as, can adopt the gas thread (GB/T7307-200155 ° of non-tight gas thread) of G1.1/4.
In above-mentioned supporting tool, the external diameter of the first slips sheet 1 and the second slips sheet 2, length and material all do not have strict restriction, as long as can bear the weight of gland for packing box and pressure cap.Such as, the external diameter of the first slips sheet 1 and the second slips sheet 2 can be 55 ~ 65mm, preferred 60mm; Length can be 35 ~ 45mm, preferred 40mm; Material can be 45# steel.
In above-mentioned supporting tool, the first slips sheet 1 used and the second slips sheet 2 can utilize the slips sheet of discarded square clamp, also can processing and manufacturing again.From the viewpoint of environmental protection and cost-saving, preferably adopt the slips sheet of discarded square clamp, realize the cyclic utilization of waste.
In above-mentioned supporting tool, screw rod 4 preferably adopts full flight screw, and its concrete model does not have strict restriction, and those skilled in the art can set as required, such as, can be the full flight screw of M8 × 67.
The above is only understand the technical solution of the utility model for the ease of those skilled in the art, not in order to limit the utility model.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.

Claims (8)

1. a packing box for pumping well gland supporting tool, it is characterized in that, described supporting tool is for being arranged on pumping well head polished rod, and described supporting tool comprises: the first slips sheet (1), the second slips sheet (2), moving connecting mechanism (3), screw rod (4), locking nut (5);
The shape of described first slips sheet (1) and the second slips sheet (2) is semi-circular shape, and the internal diameter of described first slips sheet (1) and the second slips sheet (2) matches with the external diameter of described polished rod;
First slips sheet first end (101) is connected by described moving connecting mechanism (3) with the second slips sheet first end (201);
The external screw thread of described screw rod (4) and the internal thread of described locking nut (5) are worked in coordination;
First slips sheet second end (102) is connected with described locking nut (5) by described screw rod (4) with the second slips sheet second end (202).
2. supporting tool according to claim 1, is characterized in that, described moving connecting mechanism (3) is hinge; The hinge of described hinge is separately fixed at described first slips sheet first end (101) and the second slips sheet first end (201).
3. supporting tool according to claim 1, it is characterized in that, described first slips sheet second end (102) and the second slips sheet second end (202) are respectively arranged with lock nose (6), described screw rod (4), through described lock nose (6), makes described first slips sheet second end (102) and the second slips sheet second end (202) be connected by described locking nut (5) and the cooperation of described screw rod (4).
4. supporting tool according to claim 1, is characterized in that, described locking nut (5) is wing nut.
5. supporting tool according to claim 1, is characterized in that, described first slips sheet (1) and the second slips sheet (2) inner surface are provided with screw thread.
6. supporting tool according to claim 1, is characterized in that, the external diameter of described first slips sheet (1) and the second slips sheet (2) is 55 ~ 65mm, and length is 35 ~ 45mm.
7. supporting tool according to claim 2, is characterized in that, the length of described hinge is 25 ~ 35mm.
8. supporting tool according to claim 1, is characterized in that, described screw rod (4) is full flight screw.
CN201520582962.2U 2015-08-05 2015-08-05 Pumping well packing box gland supporting tool Active CN204941420U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520582962.2U CN204941420U (en) 2015-08-05 2015-08-05 Pumping well packing box gland supporting tool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520582962.2U CN204941420U (en) 2015-08-05 2015-08-05 Pumping well packing box gland supporting tool

Publications (1)

Publication Number Publication Date
CN204941420U true CN204941420U (en) 2016-01-06

Family

ID=55008861

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520582962.2U Active CN204941420U (en) 2015-08-05 2015-08-05 Pumping well packing box gland supporting tool

Country Status (1)

Country Link
CN (1) CN204941420U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109296328A (en) * 2018-12-16 2019-02-01 孟亚莉 Packing box pressing cap gland support device
CN111364932A (en) * 2020-04-29 2020-07-03 张斌斌 Packing replacing tool

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109296328A (en) * 2018-12-16 2019-02-01 孟亚莉 Packing box pressing cap gland support device
CN111364932A (en) * 2020-04-29 2020-07-03 张斌斌 Packing replacing tool

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