CN214135794U - Packing quick replacement device - Google Patents
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- CN214135794U CN214135794U CN202022511609.9U CN202022511609U CN214135794U CN 214135794 U CN214135794 U CN 214135794U CN 202022511609 U CN202022511609 U CN 202022511609U CN 214135794 U CN214135794 U CN 214135794U
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Abstract
The utility model discloses a packing quick replacement device, which comprises a packing box fixing mechanism and a packing push-pull mechanism; the packing box fixing mechanism comprises a left wing fixing mechanism and a right wing fixing mechanism, the left wing fixing mechanism and the right wing fixing mechanism are identical in structure and are symmetrically arranged, and the left wing fixing mechanism and the right wing fixing mechanism are connected and fixed with the driving supporting plate; the packing push-pull mechanism is a front-back adjusting push-pull mechanism, the front-back adjusting push-pull mechanism is arranged at the center of the driving support plate, and the front-back adjusting push-pull mechanism is arranged between the left wing fixing mechanism and the right wing fixing mechanism. The utility model adopts the support ring as the main support body, and the push-pull ring is moved back and forth through the lead screw, thereby saving labor and being fast; the open-close type support ring is adopted, the form of the polish rod sealer is fully utilized, the effect is obvious according to local conditions, and the safety degree is high.
Description
Technical Field
The utility model belongs to the technical field of the two wing packing box maintenance operation technique in oil field and specifically relates to a packing quick replacement device.
Background
As oil field development is advanced to the middle and late stages, heavy oil wells are also increasing. Due to the characteristics of thick oil, high viscosity and the like of the thick oil well, great inconvenience is brought to daily management work.
The double-wing packing box is widely applied to polish rod sealing of thick oil wells because of good sealing effect. However, due to the structural particularity of the packing box, when the packing box is applied to a heavy oil well, the adhesion between the packing and the packing box body is easily caused due to the large viscosity of crude oil, and great difficulty is caused for daily replacement of the packing. When the packing box is used for taking out the packing, the acting point is small and the packing box is not easy to take out; when the packing box is added, the thick oil is not easy to be put in due to the residual part of the thick oil on the inner wall of the packing box.
The prior auxiliary measures are only soaking, prying, smashing and the like. The operating method is easy to damage the screw thread of the packing box, can greatly reduce the service life of the packing box, consumes longer time and directly influences the yield of an oil well. The operation technology adopted at present has the phenomena of high labor intensity of workers in the whole operation process, dangerous factors, long time consumption and low labor efficiency. The oil well double-wing packing quick replacement device developed aiming at the defects effectively overcomes the defects, greatly shortens the operation time and reduces the labor intensity of workers.
Publication (bulletin) No.: CN2648042Y, publication (public notice) day: 2004-10-13 discloses a special tool for replacing packing of a double-wing packing box, which consists of a supporting cylinder, a rotating nut and a screw rod for replacing the packing. The rotary nut is arranged in the upper portion of the supporting cylinder, the packing screw rod is arranged in the central portion of the rotary nut, the supporting cylinder, the rotary nut and the packing screw rod are coaxial, a bearing is arranged between the supporting cylinder and the rotary nut, the bearing and the rotary nut are tightly pressed by a snap spring arranged on the supporting cylinder, the rotary nut is in threaded connection with the packing screw rod, a wrench edge is arranged at the upper end portion of the packing screw rod, and a connector with female threads is arranged at the lower end portion of the packing screw rod.
Publication (bulletin) No.: CN201080796Y, publication (public notice) day: 2008-07-02 discloses a two-wing packing box packing root loading and unloading special tool, which consists of a supporting cylinder, a rotating nut and a packing screw replacement screw, and is characterized in that the rotating nut is arranged inside the upper part of the supporting cylinder, the packing screw replacement screw is arranged in the central part of the rotating nut, the supporting cylinder, the rotating nut and the packing screw replacement screw are coaxial, a bearing is arranged between the supporting cylinder and the rotating nut, the bearing and the rotating nut are tightly pressed by a snap spring arranged on the supporting cylinder, the rotating nut and the packing screw replacement screw are connected through a screw thread, a wrench edge is arranged at the upper end part of the packing screw replacement screw, and a connector with female threads is arranged at the lower end part of the wrench edge. The packing box has the advantages that time and labor are saved when the packing box of the double-wing packing box is replaced, the labor intensity of workers is reduced, and the management level and the working efficiency of a daily oil pumping well are improved.
Publication (bulletin) No.: CN207915383U, publication (public notice) day: 2018-09-28 discloses a packing extractor comprising a cap mounted at one end of a valve stem, a shaft sleeve is arranged at the end of the cap part far away from the valve rod, a screw rod is arranged in the shaft sleeve and is movably connected with the shaft sleeve, the screw rod is provided with a disk surface, the disk surface is provided with a thread sleeve part used for matching the screw rod, a plurality of holes are annularly arranged on the disk surface, a connecting rod is arranged in the hole, a first screw for fixing the connecting rod is arranged on the outer wall of the disk surface, the left end of the connecting rod is provided with a screw tap part inserted into the packing, the right end of the connecting rod is provided with a polygonal stressed part matched with the wrench, the right end of the screw rod is provided with an extension rod, a plurality of threaded holes are annularly formed in the outer wall of the extension rod, and a handle for rotating the extension rod is matched with the threaded holes; this device does not take place the contact with the valve rod, avoids the fish tail valve rod, conveniently takes out old and useless packing simultaneously.
Publication (bulletin) No.: CN205778649U, publication (public notice) day: 2016-12-07 discloses a novel double-wing special-shaped packing take-out device, which comprises a pull disc, an arc-shaped groove, a bearing seat, a pull claw, an adjusting nut, a bolt and a screw hole; the center of the positioning support disk is provided with a columnar boss, the axis of the boss is provided with a screw hole, the upper end and the lower end of the boss are provided with a U-shaped groove, the side end of the U-shaped groove is provided with a pin hole which is communicated from front to back, and a bolt passes through the pin hole and a round hole at the left end of the pull rod to position the pull rod in the U-shaped groove; the left end of the pull rod is provided with a round hole matched with the bolt, and the right end of the pull rod is provided with a hook head; the left end of the ejector rod is provided with an inner hexagonal counter bore, the right end of the ejector rod is provided with a boss matched with the bearing seat, and the ejector rod penetrates through the screw hole to be matched with the screw hole in the central part of the pull disc; two groups of symmetrical arc-shaped grooves are formed in the pull disc, and a 'three-dimensional' pull claw penetrates through the arc-shaped grooves to be matched with an adjusting nut. The problem of damaging the screw thread of the packing box in the operation process is solved, and the packing box has the characteristics of simple structure, convenience in installation, safety and reliability.
In a word, above technical scheme of the disclosure and the technical problem that will solve and the beneficial effect who produces all with the utility model discloses inequality, perhaps technical field or application are different, are directed against the utility model discloses more technical problem and the beneficial effect that will solve, above all there is not technological inspiration in the technical document of disclosing.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a quick packing replacement device aiming at the defects in the prior art, which adopts a support ring as a main support body and enables a push-pull ring to move back and forth through a lead screw, thereby saving labor and being quick; the open-close type support ring is adopted, the form of the polish rod sealer is fully utilized, the effect is obvious according to local conditions, and the safety degree is high.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a packing quick replacement device comprises a packing box fixing mechanism and a packing push-pull mechanism;
the packing box fixing mechanism comprises a left wing fixing mechanism and a right wing fixing mechanism, the left wing fixing mechanism and the right wing fixing mechanism are identical in structure and are symmetrically arranged, and the left wing fixing mechanism and the right wing fixing mechanism are connected and fixed with the driving supporting plate;
the packing push-pull mechanism is a front-back adjusting push-pull mechanism, the front-back adjusting push-pull mechanism is arranged at the center of the driving support plate, and the front-back adjusting push-pull mechanism is arranged between the left wing fixing mechanism and the right wing fixing mechanism.
Further, the left wing fixing mechanism comprises a left connecting rod and a left holding clamp;
the rear end of the left connecting rod is fixedly connected with the driving support plate, and the front end of the left connecting rod is fixedly connected with the left holding clamp.
Further, the right wing fixing mechanism comprises a right connecting rod and a right holding clamp;
the rear end of the right connecting rod is fixedly connected with the driving support plate, and the front end of the right connecting rod is fixedly connected with the right holding clamp.
Further, the left holding clamp or the right holding clamp comprises a fixed support ring and a movable support ring;
the movable support ring and the fixed support ring are hinged at one end through a support ring shaft, and corresponding support ring locking devices are arranged at the other end.
Further, the front-back adjusting push-pull mechanism comprises a drawing hook supporting plate, a drawing hook and a front-back adjusting structure;
the drawing hooks are at least two, the front ends of the drawing hooks are provided with drawing hook claws, and the rear ends of the drawing hooks are fixedly connected with the drawing hook supporting plate; the drawing hook supporting plate is arranged on the front and rear adjusting structure.
Further, the front-back adjusting structure comprises a screw rod, a screw sleeve and a bearing type push ring;
a first middle hole is formed in the center of the driving support plate, a concentric screw sleeve is welded at the first middle hole, the screw rod is assembled in the screw sleeve, and the front end of the screw rod penetrates through the bearing type push ring;
and the bearing type push ring is concentrically welded at a second middle hole formed in the drawing hook supporting plate.
Further, bearing formula thrust collar is including drawing the thrust collar, pushing away the thrust collar, draw the thrust collar to be located the rear end face of drawing the hook backup pad, push away the thrust collar and be located the preceding terminal surface of drawing the hook backup pad.
Furthermore, the pulling thrust ring and the pushing thrust ring have the same structure and are both composed of an internal thrust bearing and an external lantern ring.
Furthermore, the rear end of the screw rod is square.
Compared with the prior art, the utility model following beneficial effect has:
the support ring is used as a main support body, the push-pull ring is moved back and forth through the screw rod, labor is saved, and the design is ingenious. The device is characterized in that a similar device specially used for taking out and mounting a double-wing packing main body is not found at present;
the open-close type support ring is adopted, the form of the polish rod sealer is fully utilized, the effect is obvious according to local conditions, and the safety degree is high.
Before the technology is adopted, various auxiliary tools such as a crow bar, a hammer, a screwdriver and the like are needed to be used when the packing is replaced, and the effect is poor. Because this technique adopts open-close type support ring, just can easily solve the problem as the rotatory lead screw of strong point, improved production efficiency, reduced worker intensity of labour. Because the device adopts the thrust bearing as the push-pull assembly, the device is easy, labor-saving, safe and reliable. The operation is convenient when the crank is designed to move forwards or the motor adjusts the belt.
Drawings
FIG. 1 is a schematic view of a device for rapidly replacing a packing;
fig. 2 is an enlarged view of fig. 1 at a.
In the figure: 1, a lead screw square head; 2, a screw rod; 3, sheathing the silk; 4 driving the supporting plate; 5 connecting rods; 6, drawing a hook; 7, a nut; 8, drawing a hook support plate; 9 pulling the thrust ring; 10 pushing the thrust collar; 11 drawing the hook claw; 12 supporting the ring shaft; 13 a support ring fixing portion; 14 supporting the ring active portion; 15 support the ring locking means.
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.
Example 1:
referring to fig. 1 to 2, the present invention provides a technical solution:
a packing quick replacement device comprises a packing box fixing mechanism and a packing push-pull mechanism;
the packing box fixing mechanism comprises a left wing fixing mechanism and a right wing fixing mechanism, the left wing fixing mechanism and the right wing fixing mechanism are identical in structure and are symmetrically arranged, and the left wing fixing mechanism and the right wing fixing mechanism are connected and fixed with the driving supporting plate;
the packing push-pull mechanism is a front-back adjusting push-pull mechanism, the front-back adjusting push-pull mechanism is arranged at the center of the driving support plate, and the front-back adjusting push-pull mechanism is arranged between the left wing fixing mechanism and the right wing fixing mechanism.
Further, the left wing fixing mechanism comprises a left connecting rod and a left holding clamp;
the rear end of the left connecting rod is fixedly connected with the driving support plate, and the front end of the left connecting rod is fixedly connected with the left holding clamp.
Further, the right wing fixing mechanism comprises a right connecting rod and a right holding clamp;
the rear end of the right connecting rod is fixedly connected with the driving support plate, and the front end of the right connecting rod is fixedly connected with the right holding clamp.
Further, the left holding clamp or the right holding clamp comprises a fixed support ring and a movable support ring;
the movable support ring and the fixed support ring are hinged at one end through a support ring shaft, and corresponding support ring locking devices are arranged at the other end.
Further, the front-back adjusting push-pull mechanism comprises a drawing hook supporting plate 8, a drawing hook 6 and a front-back adjusting structure;
the drawing hooks are at least two, the front ends of the drawing hooks are provided with drawing hook claws 11, and the rear ends of the drawing hooks are fixedly connected with a drawing hook supporting plate; the drawing hook supporting plate is arranged on the front and rear adjusting structure.
Further, the front-back adjusting structure comprises a screw rod 2, a screw sleeve 3 and a bearing type push ring;
a first middle hole is formed in the center of the driving support plate, a concentric screw sleeve is welded at the first middle hole, the screw rod is assembled in the screw sleeve, and the front end of the screw rod penetrates through the bearing type push ring;
and the bearing type push ring is concentrically welded at a second middle hole formed in the drawing hook supporting plate.
Further, the bearing type push ring comprises a pull thrust ring 9 and a push thrust ring 10, the pull thrust ring is located on the rear end face of the pull hook support plate, and the push thrust ring is located on the front end face of the pull hook support plate.
Furthermore, the pulling thrust ring and the pushing thrust ring have the same structure and are both composed of an internal thrust bearing and an external lantern ring.
Further, the rear end of the screw rod is a screw rod square head 1.
1 screw rod square head-use spanner to transmit torque by rotating screw rod through square head;
2, a screw rod, namely a standard threaded screw rod with the size of M18X200, mainly has the main function of driving the supporting plate 4 to move back and forth through positive and negative rotation;
3 the wire sleeve-connected to the driving support plate 4 by welding plays a role of transmitting torque;
4, driving a support plate, mainly playing a supporting role, and installing a connecting rod 5 and a nut 3;
5 connecting rod-one end is welded to the driving support plate 4 and the other end is connected to the drawing hook support plate (8) to convert the rotary motion into the back and forth motion and play a role in transmitting torque;
6, a drawing hook-one end is provided with a thread, the other end is hooked, and the length of the section with the thread can be adjusted by matching with a nut (7);
7 nut-welded to the draw hook support plate 8 for connecting and adjusting the length of the draw hook 6;
8, drawing the hook support plate-mounting nut and receiving the pulling force or pushing force transmitted from the connecting rod 5;
9 pulling the thrust ring-the inner installation thrust bearing bears the pulling force transmitted from the connecting rod 5 and keeps the position of the pulling hook 6 unchanged;
the thrust ring is pushed 10-a thrust bearing is arranged in the thrust ring to bear the thrust transmitted from the connecting rod 5, and the double-wing packing assembly can be pushed into the polish rod sealer;
11, pulling a hook claw, hooking the outer edge of the double-wing packing assembly during working, and rotating the screw rod 5 to quickly take out the packing assembly;
12 support ring shaft-two single bodies connected with the support ring to make the support ring open and close;
13 the fixed part of the support ring is connected with the connecting rod 5 in a welding way, forms an annular closure together with the movable part of the support ring and is sleeved on the main body of the double-wing packing box;
14, the movable part of the support ring and the fixed part of the support ring form an annular closure and are sleeved on the double-wing packing box main body;
15 support ring locking device-two single bodies connecting the support rings, so that the support rings can be opened and closed.
The working principle is as follows: the device comprises parts such as lead screw, drive backup pad, drawing hook, support ring, and the during operation is opened the cover with support ring 13, 14 in the double-wing packing box main part, makes through rotatory lead screw 5 and draws hook 11 and push-and- pull thrust ring 10, 11 back-and-forth movement to easily take out the packing assembly or put into double-wing packing box main part, realize the purpose of quick replacement packing.
The support ring is used as a main support body, the push-pull ring is moved back and forth through the screw rod, labor is saved, and the design is ingenious. Because no similar device specially used for taking out and mounting the double-wing packing main body is found at present;
the open-close type support ring is adopted, the form of the polish rod sealer is fully utilized, the effect is obvious according to local conditions, and the safety degree is high.
Before the technology is adopted, various auxiliary tools such as a crow bar, a hammer, a screwdriver and the like are needed to be used when the packing is replaced, and the effect is poor. Because this technique adopts open-close type support ring, just can easily solve the problem as the rotatory lead screw of strong point, improved production efficiency, reduced worker intensity of labour. Because the device adopts the thrust bearing as the push-pull assembly, the device is easy, labor-saving, safe and reliable. The operation is convenient when the crank is designed to move forwards or the motor adjusts the belt.
Example 2:
referring to fig. 1 to 2, the present invention provides a technical solution:
a packing quick replacement device comprises a packing box fixing mechanism and a packing push-pull mechanism;
the packing box fixing mechanism comprises a left wing fixing mechanism and a right wing fixing mechanism, the left wing fixing mechanism and the right wing fixing mechanism are identical in structure and are symmetrically arranged, and the left wing fixing mechanism and the right wing fixing mechanism are connected and fixed with the driving supporting plate;
the packing push-pull mechanism is a front-back adjusting push-pull mechanism, the front-back adjusting push-pull mechanism is arranged at the center of the driving support plate, and the front-back adjusting push-pull mechanism is arranged between the left wing fixing mechanism and the right wing fixing mechanism.
Further, the left wing fixing mechanism comprises a left connecting rod and a left holding clamp;
the rear end of the left connecting rod is fixedly connected with the driving support plate, and the front end of the left connecting rod is fixedly connected with the left holding clamp.
Further, the right wing fixing mechanism comprises a right connecting rod and a right holding clamp;
the rear end of the right connecting rod is fixedly connected with the driving support plate, and the front end of the right connecting rod is fixedly connected with the right holding clamp.
Further, the left holding clamp or the right holding clamp comprises a fixed support ring and a movable support ring;
the movable support ring and the fixed support ring are hinged at one end through a support ring shaft, and corresponding support ring locking devices are arranged at the other end.
Further, the front-back adjusting push-pull mechanism comprises a drawing hook supporting plate 8, a drawing hook 6 and a front-back adjusting structure;
the drawing hooks are at least two, the front ends of the drawing hooks are provided with drawing hook claws 11, and the rear ends of the drawing hooks are fixedly connected with a drawing hook supporting plate; the drawing hook supporting plate is arranged on the front and rear adjusting structure.
Further, the front-back adjusting structure comprises a screw rod 2, a screw sleeve 3 and a bearing type push ring;
a first middle hole is formed in the center of the driving support plate, a concentric screw sleeve is welded at the first middle hole, the screw rod is assembled in the screw sleeve, and the front end of the screw rod penetrates through the bearing type push ring;
and the bearing type push ring is concentrically welded at a second middle hole formed in the drawing hook supporting plate.
Example 3:
referring to fig. 1 to 2, the present invention provides a technical solution:
a packing quick replacement device comprises a packing box fixing mechanism and a packing push-pull mechanism;
the packing box fixing mechanism comprises a left wing fixing mechanism and a right wing fixing mechanism, the left wing fixing mechanism and the right wing fixing mechanism are identical in structure and are symmetrically arranged, and the left wing fixing mechanism and the right wing fixing mechanism are connected and fixed with the driving supporting plate;
the packing push-pull mechanism is a front-back adjusting push-pull mechanism, the front-back adjusting push-pull mechanism is arranged at the center of the driving support plate, and the front-back adjusting push-pull mechanism is arranged between the left wing fixing mechanism and the right wing fixing mechanism.
Further, the left wing fixing mechanism comprises a left connecting rod and a left holding clamp;
the rear end of the left connecting rod is fixedly connected with the driving support plate, and the front end of the left connecting rod is fixedly connected with the left holding clamp.
Further, the right wing fixing mechanism comprises a right connecting rod and a right holding clamp;
the rear end of the right connecting rod is fixedly connected with the driving support plate, and the front end of the right connecting rod is fixedly connected with the right holding clamp.
Further, the left holding clamp or the right holding clamp comprises a fixed support ring and a movable support ring;
the movable support ring and the fixed support ring are hinged at one end through a support ring shaft, and corresponding support ring locking devices are arranged at the other end.
Although fig. 1 to 2 are used in all the above embodiments, it is obvious to those skilled in the art that separate drawings are not shown as long as the parts or structural features missing in the embodiments are removed from the drawings. As will be clear to the skilled person. Of course, the embodiments with more components are only the preferred embodiments, and the embodiments with fewer components are the basic embodiments, but the basic objects of the present invention can also be achieved, so all of these modified embodiments are within the scope of the present invention.
All parts and parts which are not discussed in the present application and the connection mode of all parts and parts in the present application belong to the known technology in the technical field, and are not described again. Such as welding, threaded connections, etc.
In the present application, the term "plurality" means two or more unless expressly defined otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the description of the present invention, it should be understood that the terms "upper", "lower", "left", "right", "front", "back", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or unit indicated must have a specific direction, be constructed and operated in a specific orientation, and therefore, should not be construed as limiting the present invention.
In the description of the present specification, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A packing quick replacement device comprises a packing box fixing mechanism and a packing push-pull mechanism;
the packing box fixing mechanism is characterized by comprising a left wing fixing mechanism and a right wing fixing mechanism, wherein the left wing fixing mechanism and the right wing fixing mechanism are identical in structure and are symmetrically arranged, and the left wing fixing mechanism and the right wing fixing mechanism are fixedly connected with a driving supporting plate;
the packing push-pull mechanism is a front-back adjusting push-pull mechanism, the front-back adjusting push-pull mechanism is arranged at the center of the driving support plate, and the front-back adjusting push-pull mechanism is arranged between the left wing fixing mechanism and the right wing fixing mechanism.
2. The packing quick replacement device according to claim 1, wherein the left wing fixing mechanism comprises a left connecting rod and a left clasping clamp;
the rear end of the left connecting rod is fixedly connected with the driving support plate, and the front end of the left connecting rod is fixedly connected with the left holding clamp.
3. The packing quick replacement device according to claim 2, wherein the right wing fixing mechanism comprises a right connecting rod and a right clasping clip;
the rear end of the right connecting rod is fixedly connected with the driving support plate, and the front end of the right connecting rod is fixedly connected with the right holding clamp.
4. The packing stock rapid replacing device according to claim 3, wherein the left or right clasping clip comprises a fixed support ring and a movable support ring;
the movable support ring and the fixed support ring are hinged at one end through a support ring shaft, and corresponding support ring locking devices are arranged at the other end.
5. The device for rapidly replacing a packing according to claim 1, 2, 3 or 4, wherein the front-back adjusting push-pull mechanism comprises a drawing hook support plate, a drawing hook and a front-back adjusting structure;
the drawing hooks are at least two, the front ends of the drawing hooks are provided with drawing hook claws, and the rear ends of the drawing hooks are fixedly connected with the drawing hook supporting plate; the drawing hook supporting plate is arranged on the front and rear adjusting structure.
6. The device for rapidly replacing a packing plate of claim 5, wherein the front and back adjusting structure comprises a screw rod, a screw sleeve and a bearing type push ring;
a first middle hole is formed in the center of the driving support plate, a concentric screw sleeve is welded at the first middle hole, the screw rod is assembled in the screw sleeve, and the front end of the screw rod penetrates through the bearing type push ring;
and the bearing type push ring is concentrically welded at a second middle hole formed in the drawing hook supporting plate.
7. The device for rapidly replacing a packing plate as claimed in claim 6, wherein the bearing type push ring comprises a pull thrust ring and a push thrust ring, the pull thrust ring is positioned on the rear end face of the pull hook support plate, and the push thrust ring is positioned on the front end face of the pull hook support plate.
8. The device for rapidly replacing a packing plate root as claimed in claim 7, wherein the pulling thrust ring and the pushing thrust ring are identical in structure and are both composed of an inner thrust bearing and an outer collar.
9. A device for rapid disc root exchange according to claim 6, 7 or 8, wherein the rear end of the screw rod is square.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022511609.9U CN214135794U (en) | 2020-11-03 | 2020-11-03 | Packing quick replacement device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022511609.9U CN214135794U (en) | 2020-11-03 | 2020-11-03 | Packing quick replacement device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214135794U true CN214135794U (en) | 2021-09-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022511609.9U Active CN214135794U (en) | 2020-11-03 | 2020-11-03 | Packing quick replacement device |
Country Status (1)
| Country | Link |
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| CN (1) | CN214135794U (en) |
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2020
- 2020-11-03 CN CN202022511609.9U patent/CN214135794U/en active Active
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