CN220523588U - Expansion ring jacking tool - Google Patents

Abstract

The utility model discloses an expansion ring jacking tool, which comprises: a main frame; the positioning assembly is connected to the main frame and is provided with two positioning ends which can be mutually close to or far away from each other, and the two positioning ends move along the up-down direction; the left side pressure assembly comprises a connecting rod connected to the left side of the main frame, an upper pressure end capable of swinging above the connecting rod in a direction away from or close to the positioning assembly, and a lower pressure end capable of swinging below the connecting rod in a direction away from or close to the positioning assembly; the right side pressure component and the left side pressure component are of a bilateral symmetry structure relative to the center of the main frame, and the utility model can apply force on a plurality of positions of the expansion ring when the expansion ring is propped against the inner wall of a pipeline, and directly apply force on the clamping plate surface of the expansion ring to realize the propping, thereby effectively preventing the problem that the expansion ring is easy to deform when being outwards propped, and improving the stability and the efficiency of mounting the expansion ring.

Description

Expansion ring jacking tool

Technical Field

The utility model relates to a device for repairing pipe leakage, in particular to an expanding ring jacking tool.

Background

In municipal pipeline construction, when leakage or damage appear in the pipeline, utilize stainless steel pair of expansion ring inside lining to carry out non-excavation formula restoration to the pipeline generally, place the rubber circle in the pipeline inboard earlier, then enclose two curved clamping plates and establish and form the expansion ring and place in the rubber circle, then use the jack between two cardboard, the jack is further tight with two cardboard for two cardboard further compress tightly the expansion ring in the pipeline inboard, thereby place the fastener between two cardboard at last and finalize the design to whole expansion ring. When the two clamping plates are jacked up to two sides by using the jack at present, the clamping plates are positioned at the middle part due to the fact that force is applied to the end parts of the clamping plates, and particularly when the clamping plates are narrower in width, the clamping plates easily slide out of the rubber ring and even deform, so that the rubber ring is difficult to jack up to the inner side of a pipeline, and therefore, a tool capable of stably jacking the expansion ring on the rubber ring is needed to improve the construction efficiency.

Disclosure of Invention

The utility model aims to provide an expanding ring jacking tool, which solves one or more technical problems in the prior art and at least provides a beneficial selection or creation condition.

The utility model solves the technical problems as follows:

an expansion ring jacking tool, comprising: a main frame; the positioning assembly is connected to the main frame and is provided with two positioning ends which can be mutually close to or far away from each other, and the two positioning ends move along the up-down direction; the left side pressure assembly comprises a connecting rod connected to the left side of the main frame, an upper pressure end capable of swinging above the connecting rod in a direction away from or close to the positioning assembly, and a lower pressure end capable of swinging below the connecting rod in a direction away from or close to the positioning assembly; the right side pressure component and the left side pressure component are of a bilateral symmetry structure relative to the center of the main frame.

The technical scheme has at least the following beneficial effects: when repairing the pipeline, after the rubber circle that will set up is located the pipeline inner wall, put into the expansion ring that is formed by two curved cardboard combinations again, this moment two curved cardboard is upper and lower symmetry and places, press the frock with the expansion ring and put into the pipeline in, this moment main frame is located near the central point of pipeline, keep away from the mutual activity of two locating ends with locating component, make two locating ends support respectively and press in the middle part position of two cardboards, fix the rubber circle roof pressure in the pipeline inner wall through two cardboards, then press the end with the upper pressure end of left side pressure subassembly and press the end to the direction swing that keeps away from locating component respectively down, make the upper pressure end with press the end to support in the left part of two cardboards, along with the gradual swing of upper pressure end and lower pressure end keep away from and further press the left part of two cardboards towards the pipeline inner wall, simultaneously, because the structure of left side pressure subassembly and right side pressure subassembly are bilateral symmetry each other, right side pressure subassembly can press the right part of two cardboards towards the pipeline inner wall, two cardboards press the clamping rings to fix in the middle part position of two cardboards in the pipeline inner wall with the bearing down in the left side pressure ring roof pressure, then, can make the expansion ring and press the expansion ring to the left side pressure expansion ring, and the expansion ring has improved the expansion effect when the expansion ring has been realized, and the expansion ring has been realized the expansion ring to the expansion ring has been difficult to the problem when the expansion ring is compressed in the side, and the expansion ring has been realized, and the expansion ring has been compressed in the expansion to the top to the side when the expansion ring to the pipe has and has been realized.

As a further improvement of the technical scheme, the positioning assembly comprises a rotating sleeve, an upper sliding sleeve, a lower sliding sleeve, an upper pressing rod and a lower pressing rod, wherein a rotating axis extending in the upper-lower direction of the rotating sleeve is rotationally connected in the main frame, the upper sliding sleeve and the lower sliding sleeve are respectively connected to the upper side and the lower side of the main frame, the upper pressing rod upwards penetrates through the upper sliding sleeve and is in sliding connection with the upper sliding sleeve, the bottom of the upper pressing rod is connected in the rotating sleeve through threads, the lower pressing rod downwards penetrates through the lower sliding sleeve and is in sliding connection with the lower sliding sleeve, the top of the lower pressing rod is connected in the rotating sleeve through threads, and the top end of the upper pressing rod and the bottom end of the lower pressing rod are respectively two positioning ends. When two upper and lower cardboard top tightly need be used to locating component, rotate the cover that changes, owing to go up between depression bar and the depression bar down with change cover threaded connection, and go up depression bar and depression bar down along upper and lower direction sliding connection respectively in last sliding sleeve and lower sliding sleeve, make pivoted cover that changes can drive upward depression bar activity, the depression bar moves down, utilize the top of going up the depression bar and the bottom of depression bar down as two locating ends respectively, with two cardboard to the upper and lower both sides roof pressures of pipeline, realize two upper and lower cardboard roof pressures and fix a position in the pipeline inboard, after two upper and lower cardboard design expansion collar, reverse rotation changes the cover, make upward depression bar and depression bar move close to each other down, thereby remove the roof pressure to two upper and lower cardboard.

As a further improvement of the technical scheme, the top end face of the upper pressing rod is an upwardly arched cambered surface, and the bottom end face of the lower pressing rod is a downwardly arched cambered surface. The arc-shaped upper pressing rod top end surface and the arc-shaped lower pressing rod bottom end surface can be better attached to the upper clamping plate and the lower clamping plate, so that the contact area between the two positioning ends and the upper clamping plate and the lower clamping plate is increased, and the stability of the two positioning ends in positioning the upper clamping plate and the lower clamping plate is further improved.

As a further improvement of the above technical solution, a rotation drive is connected to the main frame, and the rotation drive is connected to the rotating sleeve. When the rotating sleeve is required to be rotated, the rotating sleeve can be driven to rotate through rotary driving, so that the labor intensity of constructors is reduced, and the convenience and the efficiency of overall operation are improved.

As a further improvement of the above technical solution, the left side pressure component includes a fixed sleeve, an adjusting sleeve, an upper guide post, an upper connecting rod, a lower guide sleeve, a lower guide post and a lower connecting rod, wherein the fixed sleeve is connected to the connecting rod, the adjusting sleeve can slide back and forth and be positioned at a position between the fixed sleeve and the positioning component on the connecting rod, the upper guide sleeve and the lower guide sleeve are respectively connected to the upper side and the lower side of the adjusting sleeve, the bottom of the upper guide post is slidingly connected to the upper guide sleeve along the upper and lower directions, the two ends of the upper connecting rod are respectively rotationally connected to the top of the upper guide post and the top side of the fixed sleeve, the top of the lower guide post is slidingly connected to the bottom of the lower guide post and the bottom side of the fixed sleeve, the rotation axes of the two ends of the upper connecting rod and the rotation axes of the two ends of the lower connecting rod are respectively extended along the front and rear directions, the top of the upper guide post is provided with the upper pressing end, and the lower bottom of the lower guide post is provided with the pressing end. When the upper pressing end and the lower pressing end are required to swing so as to further press the left parts of the upper clamping plate and the lower clamping plate, the adjusting sleeve is close to the fixing sleeve, the adjusting sleeve drives the upper guide sleeve and the lower guide sleeve to be close to the fixing sleeve, the upper connecting rod and the lower connecting rod are driven to swing in the direction away from the positioning component respectively, the upper connecting rod and the lower connecting rod drive the upper guide post and the lower guide post to move upwards and downwards respectively while swinging, so that the upper clamping plate and the lower clamping plate are gradually pressed, the pressure of the upper pressing end and the lower pressing end is gradually increased along with the gradual swing of the upper connecting rod and the lower connecting rod, the upper clamping plate and the lower clamping plate are further pressed against the inner wall of the pipeline, then the adjusting sleeve is positioned on the connecting rod, so that the expansion ring is pressed on the inner side of the pipeline, after the expansion ring is shaped, the pressing force to the expansion ring is required to be removed, and the adjusting sleeve is reversely moved at the moment, so that the upper connecting rod and the lower connecting rod are mutually close.

As a further improvement of the technical scheme, the top end of the upper guide post is rotationally connected with an upper pressing wheel, the rotation axis of the upper pressing wheel extends along the front-back direction, and the upper pressing wheel is the upper pressing end. The upper pressing wheel is propped against the top side of the expansion ring, and can be driven to rotate when the upper pressing wheel slides relatively on the expansion ring, so that friction between the upper pressing wheel and the expansion ring is reduced, and smoothness of the upper pressing end when the upper pressing end is propped against the expansion ring is improved.

As a further improvement of the technical scheme, the bottom end of the lower guide post is rotationally connected with a lower pressing wheel, the rotation axis of the lower pressing wheel extends along the front-back direction, and the lower pressing wheel is the lower pressing end. Similarly, the lower pressing wheel is propped against the bottom side of the expansion ring, when the lower pressing wheel slides relatively on the expansion ring, the friction between the lower pressing wheel and the expansion ring is rolling friction, so that the abrasion to the lower pressing end and the expansion ring can be effectively reduced, and the smoothness of the lower pressing end when propping against the expansion ring is improved.

As a further improvement of the technical scheme, the adjusting sleeve is connected to the connecting rod through threads, a rotatable connecting ring is arranged on the adjusting sleeve, and the upper guide sleeve and the lower guide sleeve are respectively connected to the upper side and the lower side of the connecting ring. When the adjusting sleeve is required to be moved, the adjusting sleeve is rotated positively or reversely, the adjusting sleeve can be positioned by utilizing the self-locking of the threads of the adjusting sleeve and the connecting rod, and the adjusting sleeve is more convenient to use.

As a further improvement of the technical scheme, the outer side of the adjusting sleeve is connected with a rotating rod. When the adjusting sleeve is required to be rotated, the adjusting sleeve can be applied to the rotating rod, so that the adjusting sleeve can be conveniently applied with force, and the operation efficiency is improved.

As a further improvement of the above technical solution, the left side pressure assembly is arranged in a plurality of left and right directions at intervals, and the connecting rods in two adjacent side pressure assemblies are connected with each other. When the expansion ring is fixed, the left side pressing assemblies can be operated one by one to press the expansion ring, so that the expansion ring can be pressed at different positions, and particularly, when the diameter of the expansion ring is large, the multi-point pressing can be realized, and the pressing effect on the expansion ring is further improved.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the drawings that are required to be used in the description of the embodiments will be briefly described below. It is evident that the drawings described are only some embodiments of the utility model, but not all embodiments, and that other designs and drawings can be obtained from these drawings by a person skilled in the art without inventive effort.

Fig. 1 is a schematic view of the overall structure of the present utility model.

Fig. 2 is a schematic view of the structure of the present utility model in operation.

In the accompanying drawings: 1-main frame, 21-connecting rod, 31-rotating sleeve, 32-upper sliding sleeve, 33-lower sliding sleeve, 34-upper pressing rod, 35-lower pressing rod, 41-fixed sleeve, 42-adjusting sleeve, 421-connecting ring, 422-rotating rod, 43-upper guide sleeve, 44-upper guide post, 441-upper pressing wheel, 45-upper connecting rod, 46-lower guide sleeve, 47-lower guide post, 471-lower pressing wheel, 48-lower connecting rod, 5-pipeline, 6-rubber ring, 7-clamping plate and 71-clamping piece.

Detailed Description

The conception, specific structure, and technical effects produced by the present utility model will be clearly and completely described below with reference to the embodiments and the drawings to fully understand the objects, features, and effects of the present utility model. It is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and that other embodiments obtained by those skilled in the art without inventive effort are within the scope of the present utility model based on the embodiments of the present utility model. In addition, all connection relationships mentioned herein do not refer to direct connection of the components, but rather, refer to a connection structure that may be better formed by adding or subtracting connection aids depending on the particular implementation. The technical features in the utility model can be interactively combined on the premise of no contradiction and conflict.

Referring to fig. 1 and 2, an expander pressing tool includes: a main frame 1; the positioning component is connected to the main frame 1 and is provided with two positioning ends which can be mutually close to or far away from each other, and the two positioning ends move along the up-down direction; the left side pressure assembly comprises a connecting rod 21 connected to the left side of the main frame 1, an upper pressure end capable of swinging away from or close to the positioning assembly above the connecting rod 21, and a lower pressure end capable of swinging away from or close to the positioning assembly below the connecting rod 21; the right side pressure component and the left side pressure component are in a bilateral symmetry structure relative to the center of the main frame 1.

When repairing the pipeline 5, after the peripheral rubber ring 6 is positioned on the inner wall of the pipeline 5, an expansion ring formed by combining two arc clamping plates 7 is put in, at the moment, the two arc clamping plates 7 are symmetrically placed up and down, an expansion ring jacking tool is put into the pipeline 5, at the moment, the main frame 1 is positioned near the central position of the pipeline 5, the two positioning ends of the positioning assembly are mutually moved away, so that the two positioning ends are respectively abutted against the middle position of the two clamping plates 7, the rubber ring 6 is jacked and fixed on the inner wall of the pipeline 5 through the two clamping plates 7, then the upper pressing end and the lower pressing end of the left side pressing assembly are respectively swung in the direction away from the positioning assembly, so that the upper pressing end and the lower pressing end are abutted against the left parts of the two clamping plates 7, the left parts of the two clamping plates 7 are further jacked towards the inner wall of the pipeline 5 along with the gradual swinging away of the upper pressing end and the lower pressing end, similarly, because the structure of the left side pressure component and the structure of the right side pressure component are bilaterally symmetrical, the right side pressure component can push the right parts of the two clamping plates 7 to the inner wall of the pipeline 5, the gap between the left end and the right end of the two clamping plates 7 is gradually increased when the two clamping plates 7 are gradually compressed on the inner wall of the pipeline 5, and the peripheral clamping piece 71 can be plugged between the gap between the left end and the right end of the two clamping plates 7 so as to form an expansion ring, thereby the rubber ring 6 is kept to be compressed and fixed on the inner wall of the pipeline 5 by the expansion ring, force can be applied to a plurality of positions of the expansion ring when the expansion ring is pushed against the inner wall of the pipeline 5, and force is directly applied to the surfaces of the clamping plates 7 of the expansion ring so as to realize the pushing, thereby effectively preventing the problem that the expansion ring is easy to deform when being outwards spread, and improving the stability and the efficiency of installation of the expansion ring.

The positioning component is mainly used for positioning the middle parts of the upper clamping plate 7 and the lower clamping plate 7 in the expansion ring, in the embodiment, the positioning component comprises a rotating sleeve 31, an upper sliding sleeve 32, a lower sliding sleeve 33, an upper pressing rod 34 and a lower pressing rod 35, the rotating sleeve 31 is rotatably connected in the main frame 1 through a rotating axis extending in the upper-lower direction, in order to improve the rotating stability of the rotating sleeve 31, the top and the bottom of the rotating sleeve 31 can be rotatably connected in the main frame 1 through bearings, the upper sliding sleeve 32 and the lower sliding sleeve 33 are respectively connected to the upper side and the lower side of the main frame 1, the upper pressing rod 34 upwards passes through the upper sliding sleeve 32 and is in sliding connection with the upper sliding sleeve 32, the bottom of the upper pressing rod 34 is in the rotating sleeve 31 through a threaded connection, the lower pressing rod 35 downwards passes through the lower sliding sleeve 33 and is in sliding connection with the lower sliding sleeve 33, the top of the lower pressing rod 35 is in the rotating sleeve 31 through a threaded connection, and the top of the upper pressing rod 34 and the bottom of the lower pressing rod 35 are respectively two positioning ends. When the upper clamping plate 7 and the lower clamping plate 7 need to be tightly propped by using the positioning assembly, the rotating sleeve 31 is rotated, the upper pressing rod 34 and the lower pressing rod 35 are in threaded connection with the rotating sleeve 31, and the upper pressing rod 34 and the lower pressing rod 35 are respectively connected with the upper sliding sleeve 32 and the lower sliding sleeve 33 in a sliding manner along the up-down direction, so that the rotating sleeve 31 can drive the upper pressing rod 34 to move upwards, the lower pressing rod 35 to move downwards, the top end of the upper pressing rod 34 and the bottom end of the lower pressing rod 35 are respectively used as two positioning ends, the two clamping plates 7 are propped against the upper side and the lower side of the pipeline 5, the upper clamping plate 7 and the lower clamping plate 7 are propped against the inner side of the pipeline 5, after the upper clamping plate 7 and the lower clamping plate 7 are shaped into an expansion ring, the rotating sleeve 31 is reversely rotated, and the upper pressing rod 34 and the lower pressing rod 35 are mutually moved close, and the propping force on the upper clamping plate 7 and the lower clamping plate 7 is removed.

In order to increase the contact area with the ends of the upper compression bar 34 and the lower compression bar 35 when the ends of the upper compression bar 34 and the lower compression bar 35 are pressed against the upper clamping plate 7 and the lower clamping plate 7, in this embodiment, the top end surface of the upper compression bar 34 is an upwardly arched surface, and the bottom end surface of the lower compression bar 35 is a downwardly arched surface. The top end face of the arc-shaped upper pressing rod 34 and the bottom end face of the arc-shaped lower pressing rod 35 can be better attached to the upper clamping plate 7 and the lower clamping plate 7, so that the contact area between the two positioning ends and the upper clamping plate 7 and the contact area between the two positioning ends and the lower clamping plate 7 are increased, and the stability of positioning the upper clamping plate 7 and the lower clamping plate 7 by the two positioning ends is further improved.

In the above embodiment, if the rotating sleeve 31 needs to be rotated, the constructor can directly and manually rotate, so that the rotating sleeve 31 can be rotated more conveniently, in this embodiment, a rotation drive is connected in the main frame 1, and the rotation drive is connected to the rotating sleeve 31 in a transmission manner. When the rotating sleeve 31 needs to be rotated, the rotating sleeve 31 can be driven to rotate through rotary driving, so that the labor intensity of constructors is reduced, and the convenience and the efficiency of overall operation are improved.

As a specific structural embodiment of the left side pressure component, the left side pressure component includes a fixing sleeve 41, an adjusting sleeve 42, an upper guide sleeve 43, an upper guide post 44, an upper connecting rod 45, a lower guide sleeve 46, a lower guide post 47 and a lower connecting rod 48, wherein the fixing sleeve 41 is connected to the connecting rod 21, the adjusting sleeve 42 can slide back and forth and be positioned at a position between the fixing sleeve 41 and the positioning component on the connecting rod 21, the upper guide sleeve 43 and the lower guide sleeve 46 are respectively connected to the upper side and the lower side of the adjusting sleeve 42, the bottom of the upper guide post 44 is slidingly connected to the upper guide sleeve 43 in the up-down direction, the two ends of the upper guide post 45 are respectively and slidingly connected to the top of the upper guide post 44 and the top side of the fixing sleeve 41, the two ends of the lower guide post 47 are respectively and rotatably connected to the bottom of the lower guide post 47 and the bottom side of the fixing sleeve 41, the rotation axis of the two ends of the upper guide post 45 and the lower guide post 48 are respectively and the rotation axis of the lower guide post 48 are respectively provided with the top end 47 which is pressed in the front and the bottom end of the lower guide post 47. When the upper pressing end and the lower pressing end are required to swing so as to further press the left parts of the upper clamping plate 7 and the lower clamping plate 7, the adjusting sleeve 42 is close to the direction of the fixing sleeve 41, the adjusting sleeve 42 drives the upper guide sleeve 43 and the lower guide sleeve 46 to be close to the direction of the fixing sleeve 41 at the same time, the upper connecting rod 45 and the lower connecting rod 48 are driven to swing in the direction away from the positioning assembly respectively, the upper connecting rod 45 and the lower connecting rod 48 are driven to move upwards and downwards respectively at the same time, so that the upper clamping plate 7 and the lower clamping plate 7 are gradually pressed, along with the gradual swing of the upper connecting rod 45 and the lower connecting rod 48, the pressure of the upper pressing end and the lower pressing end is gradually increased, the upper clamping plate 7 and the lower clamping plate 7 are further pressed to the inner wall of the pipeline 5, and then the adjusting sleeve 42 is positioned on the connecting rod 21, so that the expansion ring is pressed on the inner side of the pipeline 5, after the expansion ring is shaped, the pressing force on the expansion ring is required to be removed, and the adjusting sleeve 42 is moved reversely at the moment, so that the upper connecting rod 45 and the lower connecting rod 48 are close to each other.

Further, an upper pressing wheel 441 is rotatably connected to the top end of the upper guide post 44, and the rotation axis of the upper pressing wheel 441 extends along the front-rear direction, and the upper pressing wheel 441 is the upper pressing end. By utilizing the upper pressing wheel 441 to prop against the top side of the expansion ring, when the upper pressing wheel 441 slides relatively on the expansion ring, the upper pressing wheel 441 can be driven to rotate, thereby reducing friction between the upper pressing wheel 441 and the expansion ring and improving the smoothness of the upper pressing end when propping against the expansion ring.

Similarly, a lower pressing wheel 471 is rotatably connected to the bottom end of the lower guide post 47, and the rotation axis of the lower pressing wheel 471 extends along the front-rear direction, and the lower pressing wheel 471 is the lower pressing end. The lower pressing wheel 471 is propped against the bottom side of the expansion ring, when the lower pressing wheel 471 slides relatively on the expansion ring, the friction between the lower pressing wheel 471 and the expansion ring is rolling friction, so that the abrasion to the lower pressing end and the expansion ring can be effectively reduced, and the smoothness of the lower pressing end when propping against the expansion ring is improved.

In the above embodiment, if the adjusting sleeve 42 is required to move left and right on the connecting rod 21 and position, after the adjusting sleeve 42 moves in place on the connecting rod 21, the adjusting sleeve 42 is pressed against the connecting rod 21 by using a bolt, or the adjusting sleeve 42 passes through the adjusting sleeve 42 and is matched with a hole position formed on the connecting rod 21 by using a positioning pin to connect to the connecting rod 21 so as to realize positioning, in this embodiment, the adjusting sleeve 42 is connected to the connecting rod 21 by threads, the adjusting sleeve 42 is provided with a rotatable connecting ring 421, and when in installation, the connecting ring 421 can be connected into the adjusting sleeve 42 by a bearing, and the upper guide sleeve 43 and the lower guide sleeve 46 are respectively connected to the upper side and the lower side of the connecting ring 421. When the adjusting sleeve 42 is required to be moved, the adjusting sleeve 42 is rotated in the forward direction or the adjusting sleeve 42 is rotated in the reverse direction, the adjusting sleeve 42 can be positioned by utilizing the self-locking of the threads of the adjusting sleeve 42 and the connecting rod 21, and the use is more convenient.

When manual rotation adjustment is required, in order to improve the convenience of operation, in this embodiment, a rotating rod 422 is connected to the outer side of the adjustment sleeve 42. When the adjusting sleeve 42 needs to be rotated, the adjusting sleeve 42 can be conveniently forced on the rotating rod 422, so that the operating efficiency is improved.

The left side pressure component and the right side pressure component can be provided with only one, when the diameter of the expansion ring is great, in order to increase the jacking effect to the expansion ring, in this embodiment, the left side pressure component is arranged along the left and right direction interval a plurality of, adjacent two in the side pressure component connecting rod 21 interconnect. When the expansion ring is fixed, the left side pressing assemblies can be operated one by one to press the expansion ring, so that the expansion ring can be pressed at different positions, and particularly, when the diameter of the expansion ring is large, the multi-point pressing can be realized, and the pressing effect on the expansion ring is further improved. Similarly, the right side pressure assembly can be arranged at intervals along the left-right direction, and when in actual use, the distance between the upper pressing end and the lower pressing end of the left side pressure assembly and the right side pressure assembly which are far away from the positioning assembly is smaller so as to adapt to the shape of the expansion ring.

While the preferred embodiments of the present utility model have been illustrated and described, the present utility model is not limited to the embodiments, and various equivalent modifications and substitutions can be made by one skilled in the art without departing from the spirit of the present utility model, and these are intended to be included in the scope of the present utility model as defined in the appended claims.

Claims (10)

1. An expansion ring jacking tool is characterized in that: comprising the following steps:

a main frame (1);

the positioning assembly is connected to the main frame (1), and is provided with two positioning ends which can be mutually close to or far away from each other, and the two positioning ends move along the up-down direction;

the left side pressure assembly comprises a connecting rod (21) connected to the left side of the main frame (1), an upper pressure end capable of swinging above the connecting rod (21) in a direction away from or close to the positioning assembly, and a lower pressure end capable of swinging below the connecting rod (21) in a direction away from or close to the positioning assembly;

the right side pressure component and the left side pressure component are of a bilateral symmetry structure relative to the center of the main frame (1).

2. The expander pressing tool according to claim 1, wherein: the positioning assembly comprises a rotating sleeve (31), an upper sliding sleeve (32), a lower sliding sleeve (33), an upper pressing rod (34) and a lower pressing rod (35), wherein a rotating axis extending in the vertical direction of the rotating sleeve (31) is rotationally connected in the main frame (1), the upper sliding sleeve (32) and the lower sliding sleeve (33) are respectively connected to the upper side and the lower side of the main frame (1), the upper pressing rod (34) upwards passes through the upper sliding sleeve (32) and is in sliding connection with the upper sliding sleeve (32), the bottom of the upper pressing rod (34) is connected in the rotating sleeve (31) through threads, the lower pressing rod (35) downwards passes through the lower sliding sleeve (33) and is in sliding connection with the lower sliding sleeve (33), the top of the lower pressing rod (35) is connected in the rotating sleeve (31) through threads, and the top of the upper pressing rod (34) and the bottom of the lower pressing rod (35) are respectively two positioning ends.

3. The expander pressing tool according to claim 2, wherein: the top end surface of the upper pressing rod (34) is an upward arched cambered surface, and the bottom end surface of the lower pressing rod (35) is a downward arched cambered surface.

4. The expander pressing tool according to claim 2, wherein: the main frame (1) is connected with a rotary drive, and the rotary drive is connected with the rotary sleeve (31) in a transmission manner.

5. The expander pressing tool according to claim 1, wherein: the left side pressure component comprises a fixed sleeve (41), an adjusting sleeve (42), an upper guide sleeve (43), an upper guide post (44), an upper connecting rod (45), a lower guide sleeve (46), a lower guide post (47) and a lower connecting rod (48), wherein the fixed sleeve (41) is connected to the connecting rod (21), the adjusting sleeve (42) can slide and position back and forth on the connecting rod (21) at a position between the fixed sleeve (41) and the positioning component, the upper guide sleeve (43) and the lower guide sleeve (46) are respectively connected to the upper side and the lower side of the adjusting sleeve (42), the bottoms of the upper guide post (44) are respectively connected in the upper guide sleeve (43) in a sliding manner along the upper and lower direction, the two ends of the upper connecting rod (45) are respectively connected to the top of the upper guide post (44) and the top side of the fixed sleeve (41), the top of the lower guide post (47) is respectively connected in a sliding manner along the upper and lower direction in the lower guide sleeve (46), the two ends of the lower connecting rod (48) are respectively connected to the two ends of the lower guide post (47) in a sliding manner along the upper and lower direction in the upper axis (45) and the upper end (45) of the upper end of the upper connecting rod (45) are arranged, the bottom end of the lower guide post (47) is provided with the pressing end.

6. The expander pressing tool of claim 5, wherein: the top end of the upper guide post (44) is rotationally connected with an upper pressing wheel (441), the rotation axis of the upper pressing wheel (441) extends along the front-back direction, and the upper pressing wheel (441) is the upper pressing end.

7. The expander pressing tool of claim 5, wherein: the bottom end of the lower guide post (47) is rotationally connected with a lower pressing wheel (471), the rotation axis of the lower pressing wheel (471) extends along the front-back direction, and the lower pressing wheel (471) is the lower pressing end.

8. The expander pressing tool of claim 5, wherein: the adjusting sleeve (42) is connected to the connecting rod (21) through threads, the rotatable connecting ring (421) is arranged on the adjusting sleeve (42), and the upper guide sleeve (43) and the lower guide sleeve (46) are respectively connected to the upper side and the lower side of the connecting ring (421).

9. The expander pressing tool of claim 8, wherein: the outside of the adjusting sleeve (42) is connected with a rotating rod (422).

10. The expander pressing tool according to claim 1, wherein: the left side pressure assembly is arranged in a plurality of at intervals along the left-right direction, and the connecting rods (21) in two adjacent side pressure assemblies are connected with each other.