CN209959203U - Energy-storage type energy-saving packing box - Google Patents
Energy-storage type energy-saving packing box Download PDFInfo
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- CN209959203U CN209959203U CN201920438352.3U CN201920438352U CN209959203U CN 209959203 U CN209959203 U CN 209959203U CN 201920438352 U CN201920438352 U CN 201920438352U CN 209959203 U CN209959203 U CN 209959203U
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Abstract
The utility model relates to an energy storage type energy-saving packing box, which comprises a packing box body and an offset adjusting mechanism; the deviation adjusting mechanism comprises a shell, a lower arc deviation adjusting piece and an upper arc deviation adjusting piece; the top of the shell is fixed with the packing box body, the bottom of the shell is fixed with the blowout preventer, and an installation space is formed inside the shell; the lower arc deviation adjusting piece can slide at the bottom in the installation space; the bottom of the upper arc deviation adjusting part is matched with the shape of the lower arc deviation adjusting part and can rotate for a certain angle, and the upper part of the upper arc deviation adjusting part is connected with the packing box body; the polish rod penetrates into the packing box body, the shell, the upper arc deviation adjusting part and the lower arc deviation adjusting part from top to bottom; and the polished rod is in clearance fit with the parts. Therefore the utility model discloses can realize that the level is transferred partially and the angle is transferred partially, make things convenient for the tuningout of some inclined shafts, guarantee polished rod and packing box centering, and then guarantee the leakproofness to the life of packing box has been prolonged.
Description
Technical Field
The utility model relates to an oil field oil production equipment seals technical field, more specifically says so and relates to energy storage formula energy-conserving packing box.
Background
In the field of oil extraction in oil fields, an oil pumping well is important oil pumping equipment for oil field production, a wellhead packing box matched with the oil pumping well is a sealing device for preventing underground produced liquid from being sprayed out, the packing box is in rigid joint with a wellhead of the oil pumping well, wellhead centering is generally theoretical data, and complete centering is difficult to achieve practically. In addition, the packing box and the polish rod are difficult to align due to the problems of precision of installing a wellhead, underground inclined well, uneven height settlement of an oil pumping unit on the well and the like through manual operation. Therefore, the static friction force of the wellhead of the petroleum pumping unit is very large, the loss speed of the wellhead packing is accelerated, the sealing performance of the packing box is reduced, and the service life is shortened.
Therefore, how to provide a sealing device capable of facilitating the centering of the polished rod and the packing box is a problem to be solved urgently by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides an energy storage formula energy-conserving packing box has solved the technical problem of polished rod and packing box centering difficulty.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the energy storage type energy-saving packing box comprises a packing box body and a deviation adjusting mechanism; the deviation adjusting mechanism comprises a shell, a lower arc deviation adjusting piece and an upper arc deviation adjusting piece;
the top of the shell is fixed with the packing box body, the bottom of the shell is fixed with the blowout preventer, and an installation space is formed inside the shell;
the lower arc deviation adjusting piece can slide at the bottom in the installation space;
the bottom of the upper arc deviation adjusting part is matched with the shape of the lower arc deviation adjusting part and can rotate for a certain angle, and the upper part of the upper arc deviation adjusting part is connected with the packing box body;
the polish rod penetrates into the packing box body, the shell, the upper arc deviation adjusting part and the lower arc deviation adjusting part from top to bottom; and the polished rod is in clearance fit with the parts.
According to the technical scheme, compared with the prior art, the utility model discloses an energy storage type energy-saving packing box, because the deviation adjusting mechanism is positioned between the blowout preventer and the packing box body, a polished rod penetrates into the packing box body, the shell, the upper arc deviation adjusting part and the lower arc deviation adjusting part from top to bottom; and the polished rod is in clearance fit with the parts; an installation space is formed in the shell, and the lower arc deviation adjusting piece can slide at the bottom in the installation space to realize horizontal deviation adjustment; the bottom of the upper arc deviation adjusting piece is matched with the shape of the lower arc deviation adjusting piece and can rotate for a certain angle, so that angle deviation adjustment is realized; therefore the utility model discloses can realize that the level is transferred partially and the angle is transferred partially, make things convenient for the tuningout of some inclined shafts, guarantee polished rod and packing box centering, and then guarantee the leakproofness to the life of packing box has been prolonged.
Preferably, the housing comprises a lower housing and a fixing cap;
the bottom of the lower shell is fixed with the blowout preventer, the top of the lower shell is a plane, the side wall of the lower shell is provided with an external thread structure, and a first through hole is formed in the lower shell;
the inner wall of the fixing cap is provided with an internal thread structure matched with the external thread; forming an installation space after connection, wherein the top of the installation space is provided with a plug hole; the polished rod is inserted into the first through hole through the insertion hole;
the top of the lower shell is provided with an elastic part which is used for filling a gap formed by the sliding of the lower arc deviation adjusting part and the lower shell.
By adopting the scheme, the top of the lower shell is a plane, so that the lower shell can be conveniently connected with the bottom of the lower arc deviation adjusting piece in a sliding manner; go up casing and locking nut threaded connection, the convenient dismantlement.
Preferably, the deviation adjusting mechanism further comprises a compensating gasket, the compensating gasket is located between the fixing cap and the upper arc deviation adjusting piece, and the bottom shape of the compensating gasket is matched with the top shape of the upper arc deviation adjusting piece. The compensation gasket is sleeved on the upper arc deviation adjusting piece and used for compensating the displacement between the deviation adjusting part and the fixing cap during horizontal or angle adjustment.
Preferably, the packing box body comprises a pressure accumulation chamber and a filling chamber;
the packing chamber is fixed on the top of the upper arc deviation adjusting piece;
the pressure accumulation chamber is fixed at the top of the filling chamber;
the polish rod enters the oil field well through the pressure accumulation chamber, the filling chamber, the installation space and the well plugging device.
Preferably, the pressure accumulation chamber comprises a pressure accumulation chamber shell, a pressure accumulation spring, a propelling pipe and a clamp spring;
the pressure accumulation chamber shell and the filling chamber are fixed to form a pressure accumulation spring mounting space;
the pressure accumulation spring is arranged in the pressure accumulation spring installation space, and one end of the pressure accumulation spring is abutted against the inner side of the top of the pressure accumulation chamber shell;
the propelling pipe is in clearance fit with the polished rod, the pressure storage spring is sleeved on the outer wall of the propelling pipe, and the propelling pipe is inserted into the filling chamber and is abutted against the filling;
the clamp spring is fixed on the top of the packing chamber and used for abutting against the other end of the pressure accumulation spring.
In the prior art, the looseness and tightness of the packing are not well mastered, the oil leakage accident of a wellhead is easily caused to pollute the environment due to over looseness, the operation load of the oil pumping unit is seriously consumed due to over tightness, and the management of the oil pumping unit is very unfavorable. According to the field test, when the internal pressure of the packing box is kept at 100-150Kg, the electric quantity of the pumping unit well is the least, the energy-saving effect is good, however, in the actual work, the post worker is difficult to control the numerical range, and the ideal numerical value is more difficult to achieve in the unattended state at night.
The scheme utilizes the spring compression to obtain elastic energy, and the spring releases energy to supplement the internal pressure of the packing box under the condition of abrasion loss of the sealing material, so that the sealing property is ensured.
Preferably, the pressure accumulation chamber further comprises pressure accumulation handles, and the pressure accumulation handles are symmetrically arranged at the top of the filling chamber; by adopting the scheme, the pressure accumulation chamber is conveniently lifted up during filling, so that the propelling pipe is driven to move upwards, the filling cavity is enlarged, and the filling is convenient.
Preferably, the filling chamber comprises a pressing cap and a connecting sleeve;
the top of the pressure cap is provided with a mounting hole, and the pressure accumulation handle is fixed in the mounting hole;
the connecting sleeve is in threaded connection with the pressing cap to form a filling cavity, and granular filling is filled in the filling cavity;
the polished rod is inserted in the filling cavity. Wherein the pressure cap is in threaded connection with the connecting sleeve, so that the parts are convenient to disassemble and replace.
Preferably, two groups of compensation parts are respectively arranged at the top and the bottom of the packing cavity; each group of compensation parts comprises a fixed compensation part and a movable compensation part; the two groups of compensation pieces are respectively fixed at the bottom of the propelling pipe and the bottom in the connecting sleeve; the two groups of dynamic compensation pieces are respectively fixed at the top and the bottom of the filler and slide in a matching way with the fixed compensation piece. By adopting the scheme, the part clearance caused in the polished rod deviation adjusting process is further compensated, and the centering performance of the polished rod, the packing box and a wellhead is ensured.
Preferably, the filler comprises irregularly-shaped filler particles, a cord and lubricating grease, and the mixing ratio of the filler particles to the cord to the lubricating grease is 1000:1: 16; wherein the filler is irregular particles which are beneficial to embedding and compacting among the particles, the particles are made of waste belts and the like, the thread ropes play a connecting role in the particles, and the lubricating oil is waste grease; by adopting the scheme, the cost is saved by utilizing waste, the particle filler can move together in the deviation adjusting process, and the lubricating oil plays a role in lubricating, so that the abrasion of a polished rod is reduced, and the service life of the packing box is further prolonged.
Preferably, the connecting sleeve is provided with a filling hole, and the filling hole is filled by an adaptive filling gun; wherein the filling hole is provided with a thread;
the filling gun comprises a handle, a force applying rod, a feeding cylinder, a feeding screw rod and a feeding hopper; one end of the feeding screw rod is inserted into the feeding cylinder, the other end of the feeding screw rod is provided with a force application rod, the handle is arranged on the outer wall of the feeding cylinder, and one end of the feeding cylinder is provided with a thread matched with the thread on the filling hole; the feeding hopper is installed when feeding into the feeding cylinder and is detached after feeding; the filling gun extrudes the filler into the filling cavity through the filling hole, at the moment, the propelling pipe moves upwards to compress the pressure accumulation spring, after the filler is filled, the filling cavity is filled with the filler, the pressure accumulation spring accumulates certain energy, when the filler is worn in use, the reduced volume of the pressure accumulation spring is compensated by the energy released by the spring, and therefore, the pressure in the packing box is ensured; wherein, the pressure accumulation chamber shell is provided with an observation window, and an operator can timely supplement the filler and/or apply pressure to enable the spring to continuously accumulate pressure according to the number of circles of the pressure accumulation spring to be observed.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic diagram of the overall structure of an energy storage type energy-saving packing box provided by the present invention;
fig. 2 is a schematic structural diagram of horizontal deviation adjustment of the energy storage type energy-saving packing box provided by the present invention;
fig. 3 is a schematic structural diagram of angle deviation adjustment of the energy storage type energy-saving packing box provided by the present invention;
fig. 4 is a schematic structural diagram of the packing gun adapted to the energy-storage type energy-saving packing box of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The embodiment of the utility model discloses energy-conserving packing box of energy storage formula has solved the technical problem of polished rod and packing box centering difficulty.
Referring to the attached drawings 1-3, the energy storage type energy-saving packing box provided by the utility model comprises a packing box body 1 and an offset adjusting mechanism 2; the deviation adjusting mechanism 2 comprises a shell 21, a lower arc deviation adjusting piece 22 and an upper arc deviation adjusting piece 23;
the top of the shell 21 is fixed with the packing box body 1, the bottom of the shell is fixed with the blowout preventer, and an installation space is formed inside the shell;
the lower arc deviation-adjusting piece 22 can slide at the bottom in the installation space;
the bottom of the upper arc deviation adjusting piece 23 is matched with the shape of the lower arc deviation adjusting piece 22 and can rotate for a certain angle, and the upper part of the upper arc deviation adjusting piece is connected with the packing box body 1;
the polish rod 3 penetrates into the packing box body 1, the shell 21, the upper arc deviation adjusting part 23 and the lower arc deviation adjusting part 22 from top to bottom; and the polished rod 3 is in clearance fit with the above parts. Wherein the fit clearance is less than 1 mm.
The utility model discloses an energy storage type energy-saving packing box, because the deviation adjusting mechanism is positioned between the blowout preventer and the packing box body, a polish rod penetrates into the packing box body, the shell, the upper arc deviation adjusting piece and the lower arc deviation adjusting piece from top to bottom; and the polished rod is in clearance fit with the parts; an installation space is formed in the shell, and the lower arc deviation adjusting piece can slide at the bottom in the installation space to realize horizontal deviation adjustment; the bottom of the upper arc deviation adjusting piece is matched with the shape of the lower arc deviation adjusting piece and can rotate for a certain angle, so that angle deviation adjustment is realized; therefore the utility model discloses can realize that the level is transferred partially and the angle is transferred partially, make things convenient for the tuningout of some inclined shafts, guarantee polished rod and packing box centering, and then guarantee the leakproofness to the life of packing box has been prolonged. The utility model discloses an above-mentioned design can reach the level and transfer partial d1 to be 7mm, and angle modulation is about 3.
Specifically, the housing 21 includes a lower housing 211 and a fixing cap 212;
the bottom of the lower shell 211 is fixed with the blowout preventer, the top of the lower shell is a plane, the side wall of the lower shell is provided with an external thread structure, and the inside of the lower shell is provided with a first through hole;
the inner wall of the fixing cap 212 is provided with an internal thread structure matched with the external thread; forming an installation space after connection, wherein the top of the installation space is provided with a plug hole; the polished rod is inserted into the first through hole through the insertion hole;
the top of the lower shell is provided with an elastic part which is used for filling a gap formed by the sliding of the lower arc deviation adjusting part and the lower shell.
By adopting the scheme, the top of the lower shell is a plane, so that the lower shell can be conveniently connected with the bottom of the lower arc deviation adjusting piece in a sliding manner; go up casing and locking nut threaded connection, the convenient dismantlement.
In an embodiment of the present invention, the deviation adjusting mechanism 2 further includes a compensating washer 24, the compensating washer 24 is located between the fixing cap 212 and the upper arc deviation adjusting member 23, and the bottom shape of the compensating washer is matched with the top shape of the upper arc deviation adjusting member 23. The compensation gasket is sleeved on the upper arc deviation adjusting piece and used for compensating the displacement between the deviation adjusting part and the fixing cap during horizontal or angle adjustment.
In another embodiment of the present invention, the packing box body 1 includes a pressure accumulation chamber 11 and a packing chamber 12;
the packing chamber 12 is fixed on the top of the upper arc deviation-adjusting piece 23;
the pressure accumulation chamber 11 is fixed on the top of the filling chamber 12;
the polish rod enters the oil field well through the pressure accumulation chamber 11, the filling chamber 12, the installation space and the blowout preventer.
Specifically, the pressure accumulation chamber 11 includes a pressure accumulation chamber housing 111, a pressure accumulation spring 112, a thrust pipe 113, and a snap spring 114;
the pressure accumulation chamber shell 111 and the filling chamber 12 are fixed to form a pressure accumulation spring mounting space;
the pressure accumulation spring 112 is arranged in the pressure accumulation spring mounting space, and one end of the pressure accumulation spring is abutted against the inner side of the top of the pressure accumulation chamber shell 111;
the pushing pipe 113 is in clearance fit with the polish rod, the pressure accumulation spring 112 is sleeved on the outer wall of the pushing pipe 113, and the pushing pipe 113 is inserted into the packing chamber 12 and is abutted to the packing;
a circlip 114 is fixed to the top of the packing chamber 12 for abutting against the other end of the accumulator spring 112.
In the prior art, the looseness and tightness of the packing are not well mastered, the oil leakage accident of a wellhead is easily caused to pollute the environment due to over looseness, the operation load of the oil pumping unit is seriously consumed due to over tightness, and the management of the oil pumping unit is very unfavorable. According to the field test, when the internal pressure of the packing box is kept at 100-150Kg, the electric quantity of the pumping unit well is the least, the energy-saving effect is good, however, in the actual work, the post worker is difficult to control the numerical range, and the ideal numerical value is more difficult to achieve in the unattended state at night.
The scheme utilizes the spring compression to obtain elastic energy, and the spring releases energy to supplement the internal pressure of the packing box under the condition of abrasion loss of the sealing material, so that the sealing property is ensured.
In the above embodiment, the pressure accumulation chamber 11 further includes the pressure accumulation handle 115, and the pressure accumulation handle 115 is symmetrically disposed on the top of the filling chamber 12. By adopting the scheme, the pressure accumulation chamber is conveniently lifted up during filling, so that the propelling pipe is driven to move upwards, the filling cavity is enlarged, and the filling is convenient.
In other embodiments of the present invention, the filling chamber 12 comprises a pressing cap 121 and a connecting sleeve 122;
the top of the pressure cap 121 is provided with a mounting hole, and the pressure accumulation handle 115 is fixed in the mounting hole;
the connecting sleeve 122 is in threaded connection with the pressing cap 121 to form a filling cavity, and granular filling is filled in the filling cavity;
the polished rod is inserted in the filling cavity. Wherein the pressure cap is in threaded connection with the connecting sleeve, so that the parts are convenient to disassemble and replace.
In other embodiments of the present invention, two sets of compensation members 123 are respectively disposed at the top and the bottom of the packing cavity; each group of compensation pieces 123 comprises a fixed compensation piece 1231 and a movable compensation piece 1232; the two groups of fixed compensation pieces 1231 are respectively fixed at the bottom of the propelling pipe 113 and the bottom of the connecting sleeve 122; the two sets of dynamic compensators 1232 are fixed on the top and bottom of the packing respectively and slide in cooperation with the static compensator 1231. By adopting the scheme, the part clearance caused in the polished rod deviation adjusting process is further compensated, and the centering performance of the polished rod, the packing box and a wellhead is ensured.
In each of the above embodiments, the filler includes irregularly shaped filler particles, a cord, and grease at a ratio of 1000:1: 16; wherein the filler is irregular particles which are beneficial to embedding and compacting among the particles, the particles are made of waste belts and the like, the thread ropes play a connecting role in the particles, and the lubricating oil is waste grease; by adopting the scheme, the cost is saved by utilizing waste, the particle filler can move together in the deviation adjusting process, and the lubricating oil plays a role in lubricating, so that the abrasion of a polished rod is reduced, and the service life of the packing box is further prolonged.
In the above embodiments, the connecting sleeve 122 is provided with the filling hole 1221, and the filling hole 1221 is filled by the adapted filling gun 4; wherein the filling hole is provided with a thread;
referring to fig. 4, the filling gun 4 comprises a handle 44, a force applying rod 43, a feeding cylinder 41, a feeding screw rod 42 and a feeding hopper 45; one end of a feeding screw rod 42 is inserted into the feeding cylinder 41, the other end of the feeding screw rod 42 is provided with a force-adding rod 43, a handle 44 is arranged on the outer wall of the feeding cylinder 41, and one end of the feeding cylinder 41 is provided with a thread matched with the thread on the filling hole; the feeding hopper is installed when feeding into the feeding cylinder and is detached after feeding; the filling gun extrudes the filler into the filling cavity through the filling hole, at the moment, the propelling pipe moves upwards to compress the pressure accumulation spring, after the filler is filled, the filling cavity is filled with the filler, the pressure accumulation spring accumulates certain energy, when the filler is worn in use, the reduced volume of the pressure accumulation spring is compensated by the energy released by the spring, and therefore, the pressure in the packing box is ensured; wherein, the pressure accumulation chamber shell is provided with an observation window, and an operator can timely supplement the filler and/or apply pressure to enable the spring to continuously accumulate pressure according to the number of circles of the pressure accumulation spring to be observed.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The energy-storage type energy-saving packing box is characterized by comprising a packing box body (1) and a deviation adjusting mechanism (2); the deviation adjusting mechanism (2) comprises a shell (21), a lower arc deviation adjusting piece (22) and an upper arc deviation adjusting piece (23);
the top of the shell (21) is fixed with the packing box body (1), the bottom of the shell is fixed with the blowout preventer, and an installation space is formed inside the shell;
the lower arc deviation adjusting piece (22) can slide at the bottom in the installation space;
the bottom of the upper arc deviation adjusting piece (23) is matched with the shape of the lower arc deviation adjusting piece (22) and can rotate for a certain angle, and the upper part of the upper arc deviation adjusting piece is connected with the packing box body (1);
a polish rod penetrates into the packing box body (1), the shell (21), the upper arc deviation adjusting part (23) and the lower arc deviation adjusting part (22) from top to bottom; and the polished rod is in clearance fit with the parts.
2. The energy storing packing box according to claim 1, wherein the housing (21) includes a lower housing (211) and a fixing cap (212);
the bottom of the lower shell (211) is fixed with the blowout preventer, the top of the lower shell is a plane, the side wall of the lower shell is provided with an external thread structure, and the inside of the lower shell is provided with a first through hole;
the inner wall of the fixing cap (212) is provided with an internal thread structure matched with the external thread; forming an installation space after connection, wherein the top of the installation space is provided with a plug hole; the polished rod is inserted into the first through hole through the insertion hole.
3. The energy-storing energy-saving packing box according to claim 2, wherein the deviation adjusting mechanism (2) further comprises a compensating gasket (24), the compensating gasket (24) is positioned between the fixing cap (212) and the upper arc deviation adjusting piece (23), and the bottom shape of the compensating gasket is matched with the top shape of the upper arc deviation adjusting piece (23).
4. The energy-storing and energy-saving packing box according to claim 3, wherein the packing box body (1) comprises a pressure-storing chamber (11) and a packing chamber (12);
the packing chamber (12) is fixed at the top of the upper arc deviation adjusting piece (23);
the accumulator chamber (11) is fixed at the top of the filling chamber (12);
the polish rod enters the oilfield well through the accumulator chamber (11), the packing chamber (12), the installation space and the blowout preventer.
5. The energy-accumulating energy-saving packing box according to claim 4, wherein the pressure accumulation chamber (11) comprises a pressure accumulation chamber shell (111), a pressure accumulation spring (112), a propelling pipe (113) and a clamp spring (114);
the pressure accumulation chamber shell (111) and the filling chamber (12) are fixed to form a pressure accumulation spring mounting space;
the pressure accumulation spring (112) is arranged in the pressure accumulation spring installation space, and one end of the pressure accumulation spring abuts against the inner side of the top of the pressure accumulation chamber shell (111);
the propelling pipe (113) is in clearance fit with the polish rod, the pressure accumulation spring (112) is sleeved on the outer wall of the propelling pipe (113), and the propelling pipe (113) is inserted into the filling chamber (12) and abutted against the filling;
the clamp spring (114) is fixed at the top of the filling chamber (12) and is used for abutting against the other end of the pressure accumulating spring (112).
6. The energy-accumulating energy-saving packing box according to claim 5, characterized in that the pressure accumulation chamber (11) further comprises a pressure accumulation handle (115), and the pressure accumulation handle (115) is symmetrically arranged at the top of the filling chamber (12).
7. The energy-storing packing box according to claim 5, wherein the packing chamber (12) includes a pressing cap (121) and a connecting sleeve (122);
the top of the pressure cap (121) is provided with a mounting hole, and the pressure accumulating handle (115) is fixed in the mounting hole;
the connecting sleeve (122) is in threaded connection with the pressing cap (121) to form a filling cavity, and granular filling is filled in the filling cavity;
the polish rod is inserted in the filling cavity.
8. The energy-storing packing box according to claim 7, wherein the top and the bottom of the packing cavity are respectively provided with two sets of compensation members (123); each group of compensation pieces (123) comprises a fixed compensation piece (1231) and a movable compensation piece (1232); the two groups of fixed compensation pieces (1231) are respectively fixed at the bottom of the propelling pipe (113) and the bottom of the connecting sleeve (122); the two groups of dynamic compensation pieces (1232) are respectively fixed at the top and the bottom of the packing and are matched with the fixed compensation pieces (1231) to slide.
9. The energy-storing and energy-saving packing box according to claim 7, wherein the packing comprises irregularly-shaped packing particles, a string and lubricating grease, and the mixing ratio of the irregularly-shaped packing particles, the string and the lubricating grease is 1000:1: 16.
10. The energy-storing and energy-saving packing box according to claim 7, characterized in that the connecting sleeve (122) is provided with a filling hole (1221), and the filling hole (1221) is filled by an adaptive filling gun.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920438352.3U CN209959203U (en) | 2019-04-02 | 2019-04-02 | Energy-storage type energy-saving packing box |
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| CN201920438352.3U CN209959203U (en) | 2019-04-02 | 2019-04-02 | Energy-storage type energy-saving packing box |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109973042A (en) * | 2019-04-02 | 2019-07-05 | 大庆市富隆达石油工程机械设备有限公司 | Energy accumulation type energy-conserving packing box |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109973042A (en) * | 2019-04-02 | 2019-07-05 | 大庆市富隆达石油工程机械设备有限公司 | Energy accumulation type energy-conserving packing box |
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