CN212578356U

CN212578356U - Compressor cylinder anchor clamps

Info

Publication number: CN212578356U
Application number: CN202021210782.9U
Authority: CN
Inventors: 李林
Original assignee: Zhuhai Gree Daikin Device Co Ltd
Current assignee: Zhuhai Gree Daikin Device Co Ltd
Priority date: 2020-06-24
Filing date: 2020-06-24
Publication date: 2021-02-23
Anticipated expiration: 2030-06-24

Abstract

The utility model relates to the field of machining, specifically a compressor cylinder anchor clamps, including connecting seat, push rod, inner spring, inner tube, urceolus, end cover and at least three tight piece in top, its special character lies in, still includes collar, reset ring and locates upper bearing and the lower bearing between inner tube and the urceolus. The upper bearing and the lower bearing can allow the inner cylinder, the outer cylinder and the connecting seat to rotate relatively, even if a workpiece and the chuck tooling plate have slight angular deviation in the circumferential direction, the workpiece and the chuck tooling plate can deflect adaptively along with the inner cylinder, and smooth alignment and feeding are guaranteed. In addition, the clamp has the characteristics of self-adaption and automatic reset, and is easy to implement.

Description

Compressor cylinder anchor clamps

Technical Field

The utility model relates to the field of machining, specifically a compressor cylinder anchor clamps.

Background

The compressor cylinder is approximately annular, the slide sheet hole on the compressor cylinder can meet the precision requirements in the aspects of aperture, roundness, verticality, roughness and the like only through grinding, and at present, the compressor cylinder is mainly loaded through a tensioning type clamp acting on the inner circle of a workpiece. The existing fixture and the workpiece are not required to be aligned in the circumferential direction, and the workpiece is connected with the workpiece into a whole after being grabbed and cannot rotate relatively.

During feeding, the workpiece is vertically placed on a chuck tooling plate of the grinding machine equipment by the fixture, and the chuck tooling plate is matched with a positioning hole in the workpiece through a positioning pin to realize positioning. Therefore, even if a slight angular deviation exists between the workpiece and the chuck tooling plate in the circumferential direction during the feeding of the workpiece, the workpiece cannot be smoothly aligned and fed through the positioning hole, thereby affecting the subsequent grinding process. In severe cases, the locating pin can be broken, and the equipment is damaged.

Disclosure of Invention

The main object of the utility model is to provide a can and the work piece between take place relative pivoted compressor cylinder anchor clamps.

In order to achieve the above object, the utility model provides a compressor cylinder anchor clamps, including connecting seat, push rod, inner spring, inner tube, urceolus, closing end cover and at least three tight piece in top, its special character lies in, still includes collar, reset ring and locates upper bearing and the lower bearing between inner tube and the urceolus, and the urceolus top is connected with the connecting seat is perpendicular, and in the urceolus was worn to locate by the inner tube, the push rod was worn to locate in the inner tube, and it is protruding that the push rod sets up the spacing ring on the lateral wall on top. A step middle hole is arranged in the inner cylinder along the radial direction, the step middle hole comprises a middle hole lower section matched with the push rod and a middle hole upper section matched with the limit ring in a protruding mode, the top end of the inner spring is abutted to the bottom face of the limit ring in a protruding mode, the bottom end of the inner spring is abutted to the step face of the step middle hole, and an operation hole communicated with the step middle hole is formed in the connecting seat;

the inner tube sets up on the outer wall of top with upper bearing complex and goes up the annular, and the inner tube bottom sets up lower annular on the outer wall, and lower bearing and installation ring cover are located down in the annular, and lower bearing is located the installation ring top, and the outer lane of upper bearing and lower bearing all with urceolus inner wall butt, urceolus set up on the bottom inner wall with the retaining ring of bearing outer lane lower extreme butt down, and the end-capping is adorned in installation ring and inner tube bottom. The collar sets up outer annular groove in the periphery, collar bottom interval sets up the socket of at least three and outer annular groove intercommunication, the inner tube bottom sets up the mouth of dodging that corresponds with the socket, tight piece in socket and dodge the mouth in the top, tight piece inboard in the top sets up convex butt portion, the tight piece outside in the top sets up the draw-in groove that communicates with outer annular groove, the degree of depth of draw-in groove is the same with the degree of depth in outer annular groove, reset ring adorns in outer annular groove and draw-in groove, when the push rod outside offsets with butt portion, tight piece outside protrusion in the surface of spacing ring in the top.

According to the scheme, external force is applied to the operating hole to push the push rod to move downwards along the axial direction of the inner cylinder, so that the plurality of jacking blocks can be partially jacked out of the mounting ring and act on the inner circle of the workpiece, and stable clamping of the workpiece is realized. And relative rotation can take place between upper bearing and the lower bearing allowable inner tube and urceolus and the connecting seat, even there is slight angular deviation like this work piece and chuck frock board in the circumferencial direction, the positional deviation appears between locating hole and the locating pin promptly, the compressor cylinder also can take place the adaptability along with the inner tube and deflect, guarantees to counterpoint the material loading smoothly. The inner spring is used for resetting the push rod, and the reset ring can pull back the jacking block and ensure that the jacking block is flushed with the outer side of the mounting ring after the push rod is withdrawn.

The further scheme is that a rectangular flat bottom groove is formed in the outer wall of the inner cylinder, two side faces parallel to the axis of the inner cylinder in the flat bottom groove are installation faces, a reset elastic sheet is arranged on each installation face, a shifting block matched with the reset elastic sheets is arranged on the inner side of the outer cylinder, the shifting block is inserted into the flat bottom groove, and the end portions of the two reset elastic sheets are respectively abutted to two sides of the shifting block.

Therefore, the reset elastic sheet and the shifting block are positioned between the inner cylinder and the outer cylinder and positioned in the flat bottom groove, the required arrangement space is small, and the interference of other parts is avoided. The flat bottom groove can limit the moving range of the shifting block, namely the deflection angle range of the inner barrel relative to the outer barrel. The reset elastic sheets arranged on the two sides of the flat bottom groove have the same elastic modulus, and can effectively reset the deflection of the inner cylinder in the clockwise direction and the anticlockwise direction, so that the clamp has the characteristics of self-adaption and automatic reset.

The further scheme is that a radially extending plug hole is formed in the outer wall of the outer barrel, the shifting block comprises an outer portion matched with the plug hole and an inner supporting portion extending into the flat bottom groove, a stepped hole communicated with the plug hole is formed in the outer wall of the outer barrel in a horizontal tangential direction, an outer screw hole coaxial with the stepped hole is formed in the outer portion, and the shifting block is bolted with the outer barrel through bolts penetrating through the stepped hole and the outer screw hole. The reset elastic sheet comprises a fixing section and an inclined elastic section, the fixing section is vertically extended and is attached to the mounting surface, a connecting hole is formed in the fixing section, an inner screw hole coaxial with the connecting hole is vertically formed in the mounting surface of the inner cylinder, the fixing section is bolted to the inner cylinder through bolts penetrating through the connecting hole and the inner screw hole, and each elastic section is abutted to one side of the inner abutting portion.

It is from top to bottom visible, the shell fragment that resets and shifting block are independent parts, therefore the shell fragment that resets, shifting block, inner tube and urceolus all can be processed alone, help reducing the preparation degree of difficulty and cost, adopt the bolt mode to connect between the part comparatively firm and the dismouting replacement of being convenient for, help prolonging the life of anchor clamps.

The compressor cylinder fixture further comprises a limiting assembly, the limiting assembly comprises a limiting sleeve matched with the outer shape of the outer barrel and a limiting screw, a threaded through hole matched with the limiting screw is formed in the limiting sleeve along the radial direction, the limiting sleeve is sleeved on the outer side of the outer barrel, a guide groove communicated with the threaded through hole is formed in the outer wall of the outer barrel along the radial direction, the limiting screw is installed in the threaded through hole, and the end part of the limiting screw is located in the guide groove.

It is from top to bottom visible, introduce spacing subassembly and can effectively control the degree of depth that anchor clamps inserted the interior circle of work piece, get the material stage anchor clamps lower extreme and stretch into the interior circle of work piece and continue to move down about the spacing sleeve both ends respectively with urceolus and work piece counterbalance and reach required degree of depth position, the tight piece outside of top can laminate with the interior disc of work piece completely this moment, guarantees that the stable clamp of work piece is got, through the maximum degree of depth position of the steerable tight piece of top of the length of change guide way and position or spacing sleeve in the work piece.

The limiting assembly further comprises an outer spring, the outer barrel is provided with at least three upper protruding blocks on the outer wall of the top end, the limiting sleeve is provided with lower protruding blocks corresponding to the upper protruding blocks on the outer wall of the top end, each upper protruding block is provided with an upper clamping groove on the bottom surface, each lower protruding block is provided with a lower clamping groove corresponding to the upper clamping groove on the top surface, the outer spring is located between the upper protruding blocks and the lower protruding blocks, the upper end of the outer spring is located in the upper clamping grooves, and the lower end of the outer spring is located in the lower clamping grooves.

Therefore, the outer spring is introduced to buffer the relative movement of the limiting sleeve and the outer cylinder.

The further scheme is that the outer side of the limiting sleeve is provided with a sensing support arm extending radially, and the projection of the end part of the sensing support arm in the vertical direction is positioned on the outer side of the connecting seat.

It is from top to bottom visible, compressor cylinder anchor clamps are actually connected with the manipulator through the connecting seat, are equipped with the sensor of monitoring response support arm position on this manipulator, and whether the position determination anchor clamps lower extreme of manipulator accessible monitoring response support arm inserts the cylinder in circle to predetermineeing the degree of depth.

The further scheme is that a first conical surface is inverted at the bottom end of the push rod, a stopping ring groove is formed in the bottom of the push rod above the first conical surface, a second conical surface is inverted at the top of the stopping ring groove of the push rod, and the abutting portion comprises a first wedge-shaped block matched with the first conical surface and a second wedge-shaped block matched with the second conical surface.

Therefore, the two conical surfaces at the bottom of the push rod can be matched with the two wedge-shaped blocks, so that the horizontal movement of the jacking block is smoother. When the push rod moves upwards, the second wedge-shaped block can be clamped into the stopping ring groove under the action of the reset ring and limits the push rod to move upwards, and the movable range of the push rod in the inner cylinder can be effectively limited by matching with the end cover.

The further scheme is that the end-sealing cover comprises a cover plate, a central screw hole is formed in the middle of the cover plate, a limiting plug is arranged in the central screw hole and comprises a circular plug block, the thickness of the plug block is smaller than that of the cover plate, external threads matched with the central screw hole are formed in the side wall of the plug block, and an upper boss is arranged in the middle of the top surface of the plug block.

Therefore, the independent limiting plug which is split from the end cover can control the maximum downward moving position of the push rod through the abutting of the upper boss and the lower end of the push rod, the height of the top surface of the upper boss relative to the top surface of the cover plate can be adjusted, the fine adjustment of the maximum downward moving position of the push rod can be realized, and the defects of related parts in size machining precision are effectively overcome.

Drawings

Fig. 1 is a usage state diagram of the embodiment of the compressor cylinder clamp of the present invention.

Figure 2 is the first visual angle structure chart of the compressor cylinder clamp embodiment of the present invention.

Figure 3 is the second visual angle structure chart of the compressor cylinder clamp embodiment of the present invention.

Fig. 4 is a sectional view a-a of fig. 3.

Fig. 5 is a sectional view B-B of fig. 3.

Fig. 6 is a cross-sectional view C-C of fig. 3.

Fig. 7 is an enlarged structural view at D in fig. 6.

Fig. 8 is the first visual angle structure diagram after the embodiment of the compressor cylinder fixture of the present invention removes the spacing sleeve, the end cover and the jacking block.

Figure 9 is the second visual angle structure after the utility model discloses compressor cylinder anchor clamps embodiment removes spacing sleeve, end cover and puller block.

Fig. 10 is a cross-sectional view E-E of fig. 9.

Figure 11 is the utility model discloses the cooperation structure chart of inner tube, shell fragment and shifting block reset among the compressor cylinder anchor clamps.

The present invention will be further explained with reference to the drawings and examples.

Detailed Description

Referring to fig. 1 to 11, the present invention provides a compressor cylinder fixture 100, which includes a connecting seat 101, a push rod 102, an inner spring 103, an inner cylinder 104, an outer cylinder 105, a sealing cover 106, at least three tightening blocks 107, a mounting ring 108, a restoring ring 109, and an upper bearing 110 and a lower bearing 111 disposed between the inner cylinder 104 and the outer cylinder 105. The top end of the outer cylinder 105 is vertically connected with the connecting seat 101, the inner cylinder 104 is arranged in the outer cylinder 105 in a penetrating way, the push rod 102 is arranged in the inner cylinder 104 in a penetrating way, and the side wall of the top end of the push rod 102 is provided with a limit ring bulge 102 a. A stepped middle hole 104a is radially arranged in the inner cylinder 104, the stepped middle hole 104a comprises a middle hole lower section 104b matched with the push rod 102 and a middle hole upper section 104c matched with the limit ring protrusion 102a, the top end of the inner spring 103 is abutted against the bottom surface of the limit ring protrusion 102a, the bottom end of the inner spring 103 is abutted against the stepped surface of the stepped middle hole 104a, and an operation hole 101a communicated with the stepped middle hole 104a is arranged on the connecting seat 101.

The inner tube 104 sets up the upper ring groove 104d with upper bearing 110 complex on the top outer wall, inner tube 104 bottom sets up down annular 104e on the outer wall, lower bearing 111 and collar 108 cover are located down in annular 104e, lower bearing 111 is located collar 108 top, the outer lane of upper bearing 110 and lower bearing 111 all with urceolus 105 inner wall butt, urceolus 105 sets up the retaining ring 105a with lower bearing 111 outer lane lower extreme face butt on the bottom inner wall, end-capping 106 adorns in collar 108 and inner tube 104 bottom. The outer ring groove 108a is arranged on the periphery of the mounting ring 108, at least three insertion holes 108b communicated with the outer ring groove 108a are arranged at the bottom end of the mounting ring 108 at intervals, an avoidance hole 104f corresponding to the insertion hole 108b is arranged at the bottom end of the inner cylinder 104, the jacking block 107 is arranged in the insertion hole 108b and the avoidance hole 104f, a convex abutting part is arranged on the inner side of the jacking block 107, a clamping groove 107a communicated with the outer ring groove 108a is arranged on the outer side of the jacking block 107, the depth of the clamping groove 107a is the same as that of the outer ring groove 108a, the reset ring 109 is arranged in the outer ring groove 108a and the clamping groove 107a, and when the outer side of the push rod 102 abuts against the abutting part, the outer.

The pushing rod 102 is pushed downwards along the axial direction of the inner cylinder 104 by applying external force at the operating hole 101a, so that the plurality of jacking blocks 107 can be partially jacked out of the mounting ring 108 and act on the inner circle 201 of the cylinder, and stable clamping is realized. The upper bearing 110 and the lower bearing 111 can allow the inner cylinder 104, the outer cylinder 105 and the connecting seat 101 to rotate relatively, so that even if slight angle deviation exists between the compressor cylinder 200 and the chuck tooling plate 300 in the circumferential direction, namely position deviation occurs between the positioning hole 202 and the positioning pin 301, the compressor cylinder 200 can also deflect adaptively along with the inner cylinder 104, smooth alignment and feeding are ensured, and alignment of the slip sheet hole 203 in the grinding process is ensured. The inner spring 103 is used for resetting the push rod 102, and the reset ring 109 can pull back the jacking block 107 after the push rod 102 is withdrawn and ensure that the jacking block 107 is flush with the outer side of the mounting ring 108. In the embodiment, the return ring 109 is a conventional O-ring, and the inner cylinder 104, the mounting ring 108 and the end cap 106 are connected by bolting.

The outer wall of the inner cylinder 104 is provided with a rectangular flat bottom groove 104g, two side faces parallel to the axis of the inner cylinder 104 in the flat bottom groove 104g are installation faces 104h, each installation face 104h is provided with a reset elastic sheet 112, the inner side of the outer cylinder 105 is provided with a shifting block 113 matched with the reset elastic sheet 113, the shifting block 113 is inserted into the flat bottom groove 104g, and the end parts of the two reset elastic sheets 112 respectively support against two sides of the shifting block 113.

The reset spring 112 and the shifting block 113 are positioned between the inner cylinder 104 and the outer cylinder 105 and in the flat bottom groove 104g, and the required arrangement space is small and is not interfered by other parts. The flat-bottom slot 104g can limit the movable range of the dial 113, i.e., the range of the deflection angle of the inner cylinder 104 relative to the outer cylinder 105. The reset spring plates 112 arranged on the two sides of the flat bottom groove 104g have the same elastic modulus, and can effectively reset the deflection of the inner cylinder 104 in the clockwise direction and the anticlockwise direction, so that the clamp has the characteristics of self-adaption and automatic reset.

The outer wall of the outer cylinder 105 is provided with a radially extending inserting hole 105b, the shifting block 113 comprises an outer connecting part 113a matched with the inserting hole 105b and an inner abutting part 113b extending into the flat bottom groove 104g, the outer wall of the outer cylinder 105 is provided with a stepped hole 105c communicated with the inserting hole 105b along the horizontal tangential direction, the outer connecting part 113a is provided with an outer threaded hole 113c coaxial with the stepped hole 105c, and the shifting block 113 is bolted with the outer cylinder 105 through bolts penetrating through the stepped hole 105c and the outer threaded hole 113 c. The reset spring plate 112 comprises a vertically extending fixing section 112a and an inclined elastic section 112b, the fixing section 112a is attached to the mounting surface 104f and is provided with a connecting hole 112c, the inner cylinder 104 is vertically provided with an inner screw hole 104i coaxial with the connecting hole 112c on the mounting surface 104h, the fixing section 112a is bolted to the inner cylinder 104 by a bolt passing through the connecting hole 112a and the inner screw hole 104i, and each elastic section 112b is abutted to one side of the inner abutting portion 113 b.

The reset elastic sheet 112 and the shifting block 113 are independent parts, so that the reset elastic sheet 112, the shifting block 113, the inner cylinder 104 and the outer cylinder 105 can be independently processed, the manufacturing difficulty and the manufacturing cost are reduced, the parts are connected stably in a bolting mode, the disassembly, the assembly and the replacement are convenient, and the service life of the clamp is prolonged. In the embodiment, the length of the external connecting portion 113a is greater than that of the internal abutting portion 113b, and the width of the external connecting portion 113a is greater than that of the internal abutting portion 113b, so that the shifting block 113 can be conveniently installed in a plug-in manner.

The compressor cylinder clamp 100 further comprises a limiting assembly, the limiting assembly comprises a limiting sleeve 114 and a limiting screw 115, the limiting sleeve 114 is matched with the outer shape of the outer cylinder 105, a threaded through hole 114a matched with the limiting screw 115 is formed in the limiting sleeve 114 in the radial direction, the limiting sleeve 114 is sleeved on the outer side of the outer cylinder 105, a guide groove 105d communicated with the threaded through hole 114a is formed in the outer wall of the outer cylinder 105 in the radial direction, the limiting screw 115 is installed in the threaded through hole 114a, and the end portion of the limiting screw 115 is located in the guide groove 105 d.

Introduce spacing subassembly and can effectively control the degree of depth that the anchor clamps inserted circle 201 in the cylinder, get material stage anchor clamps lower extreme and stretch into circle 201 in the cylinder and continue to move down to the upper and lower both ends of spacing sleeve 114 respectively with urceolus 105 and compressor cylinder 200 counterbalance and reach required degree of depth position promptly, the tight piece 107 outside in top this moment can laminate with the wall of circle 201 in the cylinder completely, guarantees that compressor cylinder 200's stable clamp is got. The maximum depth position of the jacking block 107 in the cylinder inner circle 201 can be controlled by changing the length and position of the guide groove 105d or the length of the limit sleeve 114.

The limiting assembly further comprises an outer spring 116, the outer barrel 105 is provided with at least three upper protrusions 105e on the outer wall of the top end, the limiting sleeve 114 is provided with lower protrusions 114b corresponding to the upper protrusions 105e on the outer wall of the top end, each upper protrusion 105e is provided with an upper clamping groove 105f on the bottom surface, each lower protrusion 114b is provided with a lower clamping groove 114c corresponding to the upper clamping groove 105f on the top surface, the outer spring 116 is positioned between the upper protrusions 105e and the lower protrusions 114b, the upper end of the outer spring 116 is positioned in the upper clamping groove 105f, the lower end of the outer spring 116 is positioned in the lower clamping groove 114c, and the introduction of the outer spring 116 can provide buffering for the relative movement of the limiting sleeve 114 and the.

The outer side of the limiting sleeve 114 is provided with a sensing arm 117 extending radially, and the projection of the end of the sensing arm 117 in the vertical direction is positioned on the outer side of the connecting seat 101.

The compressor cylinder clamp 100 is connected with a manipulator through a connecting seat 101, the manipulator is provided with a cylinder for driving the push rod 102 and a sensor for monitoring the position of the sensing support arm 117, and the manipulator determines that the lower end of the clamp is inserted into the cylinder 201 through monitoring the position of the sensing support arm 117 and controls the cylinder to drive the push rod 102 to move downwards to enable the clamp to clamp the compressor cylinder 200 after reaching a preset depth position. In the embodiment shown, the sensing arm 117 is a separate substantially L-shaped member, with the shorter of the sensing arm 117 engaging and bolting to the outside of the stop sleeve 114.

The bottom end of the push rod 102 is inverted with a first tapered surface 102b, the bottom of the push rod 102 is provided with a backstop ring groove 102c above the first tapered surface 102b, the top of the backstop ring groove 102c of the push rod 102 is inverted with a second tapered surface 102d, and the abutting part comprises a first wedge block 107b matched with the first tapered surface 102b and a second wedge block 107c matched with the second tapered surface 102 d.

The first tapered surface 102b and the second tapered surface 102d on the bottom of the push rod 102 can be respectively matched with the first wedge block 107b and the second wedge block 107c, so that the horizontal movement of the jacking block 107 is smoother. When the push rod 102 moves upwards, the second wedge block 107c can be clamped into the retaining ring groove 102c under the action of the reset ring 109 and limit the push rod 102 to move upwards, and the matching end cover 106 can effectively limit the moving range of the push rod 102 in the inner cylinder 104.

The end cover 106 comprises a cover plate 118, a central screw hole 118a is formed in the middle of the cover plate 118, a limiting plug 119 is arranged in the central screw hole 118a, the limiting plug 119 comprises a circular plug block 119a, the thickness of the plug block 119a is smaller than that of the cover plate 118, an external thread matched with the central screw hole 118a is arranged on the side wall of the plug block 119a, and an upper boss 119b is formed in the middle of the top surface of the plug block 119 a.

The independent limiting plug 119 is detached from the end-sealing cover 106, the maximum downward moving position of the push rod 102 can be controlled through the abutting of the upper boss 119b and the lower end of the push rod 102, the height of the top surface of the upper boss 119b relative to the top surface of the cover plate 118 is adjustable, fine adjustment of the maximum downward moving position of the push rod 102 can be achieved, and the defects of related parts in size machining precision are effectively overcome. In practice, the bottom surface of the stopper 119 may be provided with a straight groove, a cross groove or a regular hexagonal groove according to a general standard so that the depth position of the stopper 119 in the central screw hole 118a can be adjusted by a conventional screwdriver or an allen wrench.

Claims

1. Compressor cylinder anchor clamps are including connecting seat, push rod, inner spring, inner tube, urceolus, end cover and at least three tight piece in top, its characterized in that:

the outer barrel is vertically connected with the connecting seat, the inner barrel is arranged in the outer barrel in a penetrating mode, the push rod is arranged in the inner barrel in a penetrating mode, a limiting ring bulge is arranged on the side wall of the top end of the push rod, a step middle hole is radially arranged in the inner barrel, the step middle hole comprises a middle hole lower section matched with the push rod and a middle hole upper section matched with the limiting ring bulge, the top end of the inner spring is abutted to the bottom face of the limiting ring bulge, the bottom end of the inner spring is abutted to the step face of the step middle hole, and an operation hole communicated with the step middle hole is formed in the connecting seat;

the inner cylinder is provided with an upper annular groove matched with the upper bearing on the outer wall of the top end, the bottom end of the inner cylinder is provided with a lower annular groove on the outer wall, the lower bearing and the mounting ring are sleeved in the lower annular groove, the lower bearing is positioned above the mounting ring, the outer rings of the upper bearing and the lower bearing are both abutted against the inner wall of the outer cylinder, the inner wall of the bottom end of the outer cylinder is provided with a check ring abutted against the lower end surface of the outer ring of the lower bearing, the end sealing cover is arranged at the bottom ends of the mounting ring and the inner cylinder, the mounting ring is provided with an outer annular groove on the periphery, the bottom end of the mounting ring is provided with at least three spigots communicated with the outer annular groove at intervals, the bottom end of the inner cylinder is provided with avoidance ports corresponding to the spigots, the jacking blocks are arranged in the spigots and the avoidance ports, the inner side of the, the depth of the clamping groove is the same as that of the outer annular groove, the reset ring is arranged in the outer annular groove and the clamping groove, and when the outer side of the push rod is abutted against the abutting part, the outer side of the jacking block protrudes out of the outer surface of the limiting ring.

2. The compressor cylinder clamp of claim 1, wherein:

the outer wall of the inner barrel is provided with a rectangular flat bottom groove, two side faces parallel to the axis of the inner barrel in the flat bottom groove are installation faces, each installation face is provided with a reset elastic sheet, the inner side of the outer barrel is provided with a shifting block matched with the reset elastic sheet, the shifting block is inserted into the flat bottom groove, and the end parts of the two reset elastic sheets are respectively abutted against two sides of the shifting block.

3. The compressor cylinder clamp of claim 2, wherein:

the outer wall of the outer barrel is provided with a radially extending inserting hole, the shifting block comprises an outer connecting portion matched with the inserting hole and an inner abutting portion extending into the flat bottom groove, a stepped hole communicated with the inserting hole is formed in the outer wall of the outer barrel in a horizontal tangential direction, an outer threaded hole coaxial with the stepped hole is formed in the outer connecting portion, the shifting block is in bolted connection with the outer barrel through a bolt penetrating through the stepped hole and the outer threaded hole, the reset elastic piece comprises a vertically extending fixing section and an inclined elastic section, the fixing section is attached to the mounting surface and provided with a connecting hole, the inner barrel is vertically provided with an inner threaded hole coaxial with the connecting hole in the mounting surface, the fixing section is in bolted connection with the inner barrel through the connecting hole and the bolt penetrating through the inner threaded hole, and each elastic section is abutted to one side of the inner abutting portion.

4. A compressor cylinder clamp as claimed in any one of claims 1 to 3, wherein:

the limiting component comprises a limiting sleeve and a limiting screw, the limiting sleeve is matched with the outer shape of the outer barrel, a threaded through hole matched with the limiting screw is formed in the limiting sleeve along the radial direction, the limiting sleeve is sleeved on the outer side of the outer barrel, a guide groove communicated with the threaded through hole is formed in the outer wall of the outer barrel along the radial direction, the limiting screw is installed in the threaded through hole, and the end part of the limiting screw is located in the guide groove.

5. The compressor cylinder clamp of claim 4, wherein:

the limiting assembly further comprises an outer spring, the outer barrel is provided with at least three upper protruding blocks on the outer wall of the top end, the limiting sleeve is provided with lower protruding blocks corresponding to the upper protruding blocks on the outer wall of the top end, each upper protruding block is provided with an upper clamping groove on the bottom surface, each lower protruding block is provided with a lower clamping groove corresponding to the upper clamping groove on the top surface, the outer spring is located between the upper protruding blocks and the lower protruding blocks, the upper end of the outer spring is located in the upper clamping groove, and the lower end of the outer spring is located in the lower clamping groove.

6. The compressor cylinder clamp of claim 4, wherein:

the outer side of the limiting sleeve is provided with a sensing support arm extending in the radial direction, and the projection of the end part of the sensing support arm in the vertical direction is positioned on the outer side of the connecting seat.

7. A compressor cylinder clamp as claimed in any one of claims 1 to 3, wherein:

the push rod bottom has fallen first conical surface, the push rod bottom is in first conical surface top sets up the stopping annular, the push rod is in stopping annular top has fallen the second toper face, butt portion include with first conical surface complex first wedge and with second toper face complex second wedge.

8. A compressor cylinder clamp as claimed in any one of claims 1 to 3, wherein:

the end sealing cover comprises a cover plate, a central screw hole is formed in the middle of the cover plate, a limiting plug is arranged in the central screw hole and comprises a circular plug block, the thickness of the plug block is smaller than that of the cover plate, external threads matched with the central screw hole are formed in the side wall of the plug block, and an upper boss is arranged in the middle of the top surface of the plug block.